Commit graph

87362 commits

Author SHA1 Message Date
Linus Torvalds
d3feaff4d9 Char/Misc driver fixes for 6.2-rc7
Here are a number of small char/misc/whatever driver fixes for 6.2-rc7.
 They include:
   - IIO driver fixes for some reported problems
   - nvmem driver fixes
   - fpga driver fixes
   - debugfs memory leak fix in the hv_balloon and irqdomain code
     (irqdomain change was acked by the maintainer.)
 
 All have been in linux-next with no reported problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.2-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc driver fixes from Greg KH:
 "Here are a number of small char/misc/whatever driver fixes. They
  include:

   - IIO driver fixes for some reported problems

   - nvmem driver fixes

   - fpga driver fixes

   - debugfs memory leak fix in the hv_balloon and irqdomain code
     (irqdomain change was acked by the maintainer)

  All have been in linux-next with no reported problems"

* tag 'char-misc-6.2-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (33 commits)
  kernel/irq/irqdomain.c: fix memory leak with using debugfs_lookup()
  HV: hv_balloon: fix memory leak with using debugfs_lookup()
  nvmem: qcom-spmi-sdam: fix module autoloading
  nvmem: core: fix return value
  nvmem: core: fix cell removal on error
  nvmem: core: fix device node refcounting
  nvmem: core: fix registration vs use race
  nvmem: core: fix cleanup after dev_set_name()
  nvmem: core: remove nvmem_config wp_gpio
  nvmem: core: initialise nvmem->id early
  nvmem: sunxi_sid: Always use 32-bit MMIO reads
  nvmem: brcm_nvram: Add check for kzalloc
  iio: imu: fxos8700: fix MAGN sensor scale and unit
  iio: imu: fxos8700: remove definition FXOS8700_CTRL_ODR_MIN
  iio: imu: fxos8700: fix failed initialization ODR mode assignment
  iio: imu: fxos8700: fix incorrect ODR mode readback
  iio: light: cm32181: Fix PM support on system with 2 I2C resources
  iio: hid: fix the retval in gyro_3d_capture_sample
  iio: hid: fix the retval in accel_3d_capture_sample
  iio: imu: st_lsm6dsx: fix build when CONFIG_IIO_TRIGGERED_BUFFER=m
  ...
2023-02-05 11:52:23 -08:00
Linus Torvalds
de506eec89 - Lock the proper critical section when dealing with perf event context
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Merge tag 'perf_urgent_for_v6.2_rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull perf fix from Borislav Petkov:

 - Lock the proper critical section when dealing with perf event context

* tag 'perf_urgent_for_v6.2_rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf: Fix perf_event_pmu_context serialization
2023-02-05 11:03:56 -08:00
Linus Torvalds
95078069c1 RTC fixes for 6.2
Drivers:
  - efi: make WAKEUP services optional
  - sunplus: fix format string warning
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Merge tag 'rtc-6.2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux

Pull RTC fixes from Alexandre Belloni:
 "Here are a few fixes for 6.2. The EFI one is the most important as it
  allows some RTCs to actually work. The other two are warnings that are
  worth fixing.

   - efi: make WAKEUP services optional

   - sunplus: fix format string warning"

* tag 'rtc-6.2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux:
  rtc: sunplus: fix format string for printing resource
  dt-bindings: rtc: qcom-pm8xxx: allow 'wakeup-source' property
  rtc: efi: Enable SET/GET WAKEUP services as optional
2023-02-04 13:46:37 -08:00
Linus Torvalds
7b753a909f A safeguard to prevent the kernel client from further damaging the
filesystem after running into a case of an invalid snap trace.  The
 root cause of this metadata corruption is still being investigated but
 it appears to be stemming from the MDS.  As such, this is the best we
 can do for now.
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Merge tag 'ceph-for-6.2-rc7' of https://github.com/ceph/ceph-client

Pull ceph fix from Ilya Dryomov:
 "A safeguard to prevent the kernel client from further damaging the
  filesystem after running into a case of an invalid snap trace.

  The root cause of this metadata corruption is still being investigated
  but it appears to be stemming from the MDS. As such, this is the best
  we can do for now"

* tag 'ceph-for-6.2-rc7' of https://github.com/ceph/ceph-client:
  ceph: blocklist the kclient when receiving corrupted snap trace
  ceph: move mount state enum to super.h
2023-02-03 10:34:07 -08:00
Linus Torvalds
0c272a1d33 25 hotfixes, mainly for MM. 13 are cc:stable.
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Merge tag 'mm-hotfixes-stable-2023-02-02-19-24-2' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull misc fixes from Andrew Morton:
 "25 hotfixes, mainly for MM.  13 are cc:stable"

* tag 'mm-hotfixes-stable-2023-02-02-19-24-2' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (26 commits)
  mm: memcg: fix NULL pointer in mem_cgroup_track_foreign_dirty_slowpath()
  Kconfig.debug: fix the help description in SCHED_DEBUG
  mm/swapfile: add cond_resched() in get_swap_pages()
  mm: use stack_depot_early_init for kmemleak
  Squashfs: fix handling and sanity checking of xattr_ids count
  sh: define RUNTIME_DISCARD_EXIT
  highmem: round down the address passed to kunmap_flush_on_unmap()
  migrate: hugetlb: check for hugetlb shared PMD in node migration
  mm: hugetlb: proc: check for hugetlb shared PMD in /proc/PID/smaps
  mm/MADV_COLLAPSE: catch !none !huge !bad pmd lookups
  Revert "mm: kmemleak: alloc gray object for reserved region with direct map"
  freevxfs: Kconfig: fix spelling
  maple_tree: should get pivots boundary by type
  .mailmap: update e-mail address for Eugen Hristev
  mm, mremap: fix mremap() expanding for vma's with vm_ops->close()
  squashfs: harden sanity check in squashfs_read_xattr_id_table
  ia64: fix build error due to switch case label appearing next to declaration
  mm: multi-gen LRU: fix crash during cgroup migration
  Revert "mm: add nodes= arg to memory.reclaim"
  zsmalloc: fix a race with deferred_handles storing
  ...
2023-02-03 10:01:57 -08:00
Linus Torvalds
edb9b8f380 Including fixes from bpf, can and netfilter.
Current release - regressions:
 
  - phy: fix null-deref in phy_attach_direct
 
  - mac802154: fix possible double free upon parsing error
 
 Previous releases - regressions:
 
  - bpf: preserve reg parent/live fields when copying range info,
    prevent mis-verification of programs as safe
 
  - ip6: fix GRE tunnels not generating IPv6 link local addresses
 
  - phy: dp83822: fix null-deref on DP83825/DP83826 devices
 
  - sctp: do not check hb_timer.expires when resetting hb_timer
 
  - eth: mtk_sock: fix SGMII configuration after phylink conversion
 
 Previous releases - always broken:
 
  - eth: xdp: execute xdp_do_flush() before napi_complete_done()
 
  - skb: do not mix page pool and page referenced frags in GRO
 
  - bpf:
    - fix a possible task gone issue with bpf_send_signal[_thread]()
    - fix an off-by-one bug in bpf_mem_cache_idx() to select
      the right cache
    - add missing btf_put to register_btf_id_dtor_kfuncs
    - sockmap: fon't let sock_map_{close,destroy,unhash} call itself
 
  - gso: fix null-deref in skb_segment_list()
 
  - mctp: purge receive queues on sk destruction
 
  - fix UaF caused by accept on already connected socket in exotic
    socket families
 
  - tls: don't treat list head as an entry in tls_is_tx_ready()
 
  - netfilter: br_netfilter: disable sabotage_in hook after first
    suppression
 
  - wwan: t7xx: fix runtime PM implementation
 
 Misc:
 
  - MAINTAINERS: spring cleanup of networking maintainers
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.2-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Including fixes from bpf, can and netfilter.

  Current release - regressions:

   - phy: fix null-deref in phy_attach_direct

   - mac802154: fix possible double free upon parsing error

  Previous releases - regressions:

   - bpf: preserve reg parent/live fields when copying range info,
     prevent mis-verification of programs as safe

   - ip6: fix GRE tunnels not generating IPv6 link local addresses

   - phy: dp83822: fix null-deref on DP83825/DP83826 devices

   - sctp: do not check hb_timer.expires when resetting hb_timer

   - eth: mtk_sock: fix SGMII configuration after phylink conversion

  Previous releases - always broken:

   - eth: xdp: execute xdp_do_flush() before napi_complete_done()

   - skb: do not mix page pool and page referenced frags in GRO

   - bpf:
      - fix a possible task gone issue with bpf_send_signal[_thread]()
      - fix an off-by-one bug in bpf_mem_cache_idx() to select the right
        cache
      - add missing btf_put to register_btf_id_dtor_kfuncs
      - sockmap: fon't let sock_map_{close,destroy,unhash} call itself

   - gso: fix null-deref in skb_segment_list()

   - mctp: purge receive queues on sk destruction

   - fix UaF caused by accept on already connected socket in exotic
     socket families

   - tls: don't treat list head as an entry in tls_is_tx_ready()

   - netfilter: br_netfilter: disable sabotage_in hook after first
     suppression

   - wwan: t7xx: fix runtime PM implementation

  Misc:

   - MAINTAINERS: spring cleanup of networking maintainers"

* tag 'net-6.2-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (65 commits)
  mtk_sgmii: enable PCS polling to allow SFP work
  net: mediatek: sgmii: fix duplex configuration
  net: mediatek: sgmii: ensure the SGMII PHY is powered down on configuration
  MAINTAINERS: update SCTP maintainers
  MAINTAINERS: ipv6: retire Hideaki Yoshifuji
  mailmap: add John Crispin's entry
  MAINTAINERS: bonding: move Veaceslav Falico to CREDITS
  net: openvswitch: fix flow memory leak in ovs_flow_cmd_new
  net: ethernet: mtk_eth_soc: disable hardware DSA untagging for second MAC
  virtio-net: Keep stop() to follow mirror sequence of open()
  selftests: net: udpgso_bench_tx: Cater for pending datagrams zerocopy benchmarking
  selftests: net: udpgso_bench: Fix racing bug between the rx/tx programs
  selftests: net: udpgso_bench_rx/tx: Stop when wrong CLI args are provided
  selftests: net: udpgso_bench_rx: Fix 'used uninitialized' compiler warning
  can: mcp251xfd: mcp251xfd_ring_set_ringparam(): assign missing tx_obj_num_coalesce_irq
  can: isotp: split tx timer into transmission and timeout
  can: isotp: handle wait_event_interruptible() return values
  can: raw: fix CAN FD frame transmissions over CAN XL devices
  can: j1939: fix errant WARN_ON_ONCE in j1939_session_deactivate
  hv_netvsc: Fix missed pagebuf entries in netvsc_dma_map/unmap()
  ...
2023-02-02 14:03:31 -08:00
Xiubo Li
b38b17b6a0 ceph: move mount state enum to super.h
These flags are only used in ceph filesystem in fs/ceph, so just
move it to the place it should be.

Signed-off-by: Xiubo Li <xiubli@redhat.com>
Reviewed-by: Venky Shankar <vshankar@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2023-02-02 13:40:23 +01:00
Kefeng Wang
ac86f547ca mm: memcg: fix NULL pointer in mem_cgroup_track_foreign_dirty_slowpath()
As commit 18365225f0 ("hwpoison, memcg: forcibly uncharge LRU pages"),
hwpoison will forcibly uncharg a LRU hwpoisoned page, the folio_memcg
could be NULl, then, mem_cgroup_track_foreign_dirty_slowpath() could
occurs a NULL pointer dereference, let's do not record the foreign
writebacks for folio memcg is null in mem_cgroup_track_foreign_dirty() to
fix it.

Link: https://lkml.kernel.org/r/20230129040945.180629-1-wangkefeng.wang@huawei.com
Fixes: 97b27821b4 ("writeback, memcg: Implement foreign dirty flushing")
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Reported-by: Ma Wupeng <mawupeng1@huawei.com>
Tested-by: Miko Larsson <mikoxyzzz@gmail.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Jan Kara <jack@suse.cz>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Ma Wupeng <mawupeng1@huawei.com>
Cc: Naoya Horiguchi <naoya.horiguchi@nec.com>
Cc: Shakeel Butt <shakeelb@google.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-01-31 16:44:10 -08:00
Matthew Wilcox (Oracle)
88d7b12068 highmem: round down the address passed to kunmap_flush_on_unmap()
We already round down the address in kunmap_local_indexed() which is the
other implementation of __kunmap_local().  The only implementation of
kunmap_flush_on_unmap() is PA-RISC which is expecting a page-aligned
address.  This may be causing PA-RISC to be flushing the wrong addresses
currently.

Link: https://lkml.kernel.org/r/20230126200727.1680362-1-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Fixes: 298fa1ad55 ("highmem: Provide generic variant of kmap_atomic*")
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Cc: "Fabio M. De Francesco" <fmdefrancesco@gmail.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Helge Deller <deller@gmx.de>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Bagas Sanjaya <bagasdotme@gmail.com>
Cc: David Sterba <dsterba@suse.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Tony Luck <tony.luck@intel.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-01-31 16:44:09 -08:00
Mike Kravetz
3489dbb696 mm: hugetlb: proc: check for hugetlb shared PMD in /proc/PID/smaps
Patch series "Fixes for hugetlb mapcount at most 1 for shared PMDs".

This issue of mapcount in hugetlb pages referenced by shared PMDs was
discussed in [1].  The following two patches address user visible behavior
caused by this issue.

[1] https://lore.kernel.org/linux-mm/Y9BF+OCdWnCSilEu@monkey/


This patch (of 2):

A hugetlb page will have a mapcount of 1 if mapped by multiple processes
via a shared PMD.  This is because only the first process increases the
map count, and subsequent processes just add the shared PMD page to their
page table.

page_mapcount is being used to decide if a hugetlb page is shared or
private in /proc/PID/smaps.  Pages referenced via a shared PMD were
incorrectly being counted as private.

To fix, check for a shared PMD if mapcount is 1.  If a shared PMD is found
count the hugetlb page as shared.  A new helper to check for a shared PMD
is added.

[akpm@linux-foundation.org: simplification, per David]
[akpm@linux-foundation.org: hugetlb.h: include page_ref.h for page_count()]
Link: https://lkml.kernel.org/r/20230126222721.222195-2-mike.kravetz@oracle.com
Fixes: 25ee01a2fc ("mm: hugetlb: proc: add hugetlb-related fields to /proc/PID/smaps")
Signed-off-by: Mike Kravetz <mike.kravetz@oracle.com>
Acked-by: Peter Xu <peterx@redhat.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: James Houghton <jthoughton@google.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Muchun Song <songmuchun@bytedance.com>
Cc: Naoya Horiguchi <naoya.horiguchi@linux.dev>
Cc: Vishal Moola (Oracle) <vishal.moola@gmail.com>
Cc: Yang Shi <shy828301@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-01-31 16:44:09 -08:00
Michal Hocko
55ab834a86 Revert "mm: add nodes= arg to memory.reclaim"
This reverts commit 12a5d39552.

Although it is recognized that a finer grained pro-active reclaim is
something we need and want the semantic of this implementation is really
ambiguous.

In a follow up discussion it became clear that there are two essential
usecases here.  One is to use memory.reclaim to pro-actively reclaim
memory and expectation is that the requested and reported amount of memory
is uncharged from the memcg.  Another usecase focuses on pro-active
demotion when the memory is merely shuffled around to demotion targets
while the overall charged memory stays unchanged.

The current implementation considers demoted pages as reclaimed and that
break both usecases.  [1] has tried to address the reporting part but
there are more issues with that summarized in [2] and follow up emails.

Let's revert the nodemask based extension of the memcg pro-active
reclaim for now until we settle with a more robust semantic.

[1] http://lkml.kernel.org/r/http://lkml.kernel.org/r/20221206023406.3182800-1-almasrymina@google.com
[2] http://lkml.kernel.org/r/Y5bsmpCyeryu3Zz1@dhcp22.suse.cz

Link: https://lkml.kernel.org/r/Y5xASNe1x8cusiTx@dhcp22.suse.cz
Fixes: 12a5d39552 ("mm: add nodes= arg to memory.reclaim")
Signed-off-by: Michal Hocko <mhocko@suse.com>
Cc: Bagas Sanjaya <bagasdotme@gmail.com>
Cc: Huang Ying <ying.huang@intel.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Mina Almasry <almasrymina@google.com>
Cc: Muchun Song <songmuchun@bytedance.com>
Cc: Roman Gushchin <roman.gushchin@linux.dev>
Cc: Shakeel Butt <shakeelb@google.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Wei Xu <weixugc@google.com>
Cc: Yang Shi <yang.shi@linux.alibaba.com>
Cc: Yosry Ahmed <yosryahmed@google.com>
Cc: zefan li <lizefan.x@bytedance.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-01-31 16:44:07 -08:00
James Clark
4f64a6c9f6 perf: Fix perf_event_pmu_context serialization
Syzkaller triggered a WARN in put_pmu_ctx().

  WARNING: CPU: 1 PID: 2245 at kernel/events/core.c:4925 put_pmu_ctx+0x1f0/0x278

This is because there is no locking around the access of "if
(!epc->ctx)" in find_get_pmu_context() and when it is set to NULL in
put_pmu_ctx().

The decrement of the reference count in put_pmu_ctx() also happens
outside of the spinlock, leading to the possibility of this order of
events, and the context being cleared in put_pmu_ctx(), after its
refcount is non zero:

 CPU0                                   CPU1
 find_get_pmu_context()
   if (!epc->ctx) == false
                                        put_pmu_ctx()
                                        atomic_dec_and_test(&epc->refcount) == true
                                        epc->refcount == 0
     atomic_inc(&epc->refcount);
     epc->refcount == 1
                                        list_del_init(&epc->pmu_ctx_entry);
	                                      epc->ctx = NULL;

Another issue is that WARN_ON for no active PMU events in put_pmu_ctx()
is outside of the lock. If the perf_event_pmu_context is an embedded
one, even after clearing it, it won't be deleted and can be re-used. So
the warning can trigger. For this reason it also needs to be moved
inside the lock.

The above warning is very quick to trigger on Arm by running these two
commands at the same time:

  while true; do perf record -- ls; done
  while true; do perf record -- ls; done

[peterz: atomic_dec_and_raw_lock*()]
Fixes: bd27568117 ("perf: Rewrite core context handling")
Reported-by: syzbot+697196bc0265049822bd@syzkaller.appspotmail.com
Signed-off-by: James Clark <james.clark@arm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Ravi Bangoria <ravi.bangoria@amd.com>
Link: https://lore.kernel.org/r/20230127143141.1782804-2-james.clark@arm.com
2023-01-31 20:37:18 +01:00
Andrey Konovalov
54aa39a513 net: stmmac: do not stop RX_CLK in Rx LPI state for qcs404 SoC
Currently in phy_init_eee() the driver unconditionally configures the PHY
to stop RX_CLK after entering Rx LPI state. This causes an LPI interrupt
storm on my qcs404-base board.

Change the PHY initialization so that for "qcom,qcs404-ethqos" compatible
device RX_CLK continues to run even in Rx LPI state.

Signed-off-by: Andrey Konovalov <andrey.konovalov@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-30 07:21:25 +00:00
Russell King (Oracle)
569653f022 nvmem: core: remove nvmem_config wp_gpio
No one provides wp_gpio, so let's remove it to avoid issues with
the nvmem core putting this gpio.

Cc: stable@vger.kernel.org
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20230127104015.23839-5-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-01-28 14:36:29 +01:00
Jakub Kicinski
0548c5f26a bpf-for-netdev
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Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf

Daniel Borkmann says:

====================
bpf 2023-01-27

We've added 10 non-merge commits during the last 9 day(s) which contain
a total of 10 files changed, 170 insertions(+), 59 deletions(-).

The main changes are:

1) Fix preservation of register's parent/live fields when copying
   range-info, from Eduard Zingerman.

2) Fix an off-by-one bug in bpf_mem_cache_idx() to select the right
   cache, from Hou Tao.

3) Fix stack overflow from infinite recursion in sock_map_close(),
   from Jakub Sitnicki.

4) Fix missing btf_put() in register_btf_id_dtor_kfuncs()'s error path,
   from Jiri Olsa.

5) Fix a splat from bpf_setsockopt() via lsm_cgroup/socket_sock_rcv_skb,
   from Kui-Feng Lee.

6) Fix bpf_send_signal[_thread]() helpers to hold a reference on the task,
   from Yonghong Song.

* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
  bpf: Fix the kernel crash caused by bpf_setsockopt().
  selftests/bpf: Cover listener cloning with progs attached to sockmap
  selftests/bpf: Pass BPF skeleton to sockmap_listen ops tests
  bpf, sockmap: Check for any of tcp_bpf_prots when cloning a listener
  bpf, sockmap: Don't let sock_map_{close,destroy,unhash} call itself
  bpf: Add missing btf_put to register_btf_id_dtor_kfuncs
  selftests/bpf: Verify copy_register_state() preserves parent/live fields
  bpf: Fix to preserve reg parent/live fields when copying range info
  bpf: Fix a possible task gone issue with bpf_send_signal[_thread]() helpers
  bpf: Fix off-by-one error in bpf_mem_cache_idx()
====================

Link: https://lore.kernel.org/r/20230127215820.4993-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-01-27 23:32:03 -08:00
Jakub Sitnicki
ddce1e0917 bpf, sockmap: Check for any of tcp_bpf_prots when cloning a listener
A listening socket linked to a sockmap has its sk_prot overridden. It
points to one of the struct proto variants in tcp_bpf_prots. The variant
depends on the socket's family and which sockmap programs are attached.

A child socket cloned from a TCP listener initially inherits their sk_prot.
But before cloning is finished, we restore the child's proto to the
listener's original non-tcp_bpf_prots one. This happens in
tcp_create_openreq_child -> tcp_bpf_clone.

Today, in tcp_bpf_clone we detect if the child's proto should be restored
by checking only for the TCP_BPF_BASE proto variant. This is not
correct. The sk_prot of listening socket linked to a sockmap can point to
to any variant in tcp_bpf_prots.

If the listeners sk_prot happens to be not the TCP_BPF_BASE variant, then
the child socket unintentionally is left if the inherited sk_prot by
tcp_bpf_clone.

This leads to issues like infinite recursion on close [1], because the
child state is otherwise not set up for use with tcp_bpf_prot operations.

Adjust the check in tcp_bpf_clone to detect all of tcp_bpf_prots variants.

Note that it wouldn't be sufficient to check the socket state when
overriding the sk_prot in tcp_bpf_update_proto in order to always use the
TCP_BPF_BASE variant for listening sockets. Since commit
b8b8315e39 ("bpf, sockmap: Remove unhash handler for BPF sockmap usage")
it is possible for a socket to transition to TCP_LISTEN state while already
linked to a sockmap, e.g. connect() -> insert into map ->
connect(AF_UNSPEC) -> listen().

[1]: https://lore.kernel.org/all/00000000000073b14905ef2e7401@google.com/

Fixes: e80251555f ("tcp_bpf: Don't let child socket inherit parent protocol ops on copy")
Reported-by: syzbot+04c21ed96d861dccc5cd@syzkaller.appspotmail.com
Signed-off-by: Jakub Sitnicki <jakub@cloudflare.com>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Link: https://lore.kernel.org/r/20230113-sockmap-fix-v2-2-1e0ee7ac2f90@cloudflare.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-01-24 21:32:55 -08:00
Hans de Goede
d143908f80 platform/x86: apple-gmux: Add apple_gmux_detect() helper
Add a new (static inline) apple_gmux_detect() helper to apple-gmux.h
which can be used for gmux detection instead of apple_gmux_present().

The latter is not really reliable since an ACPI device with a HID
of APP000B is present on some devices without a gmux at all, as well
as on devices with a newer (unsupported) MMIO based gmux model.

This causes apple_gmux_present() to return false-positives on
a number of different Apple laptop models.

This new helper uses the same probing as the actual apple-gmux
driver, so that it does not return false positives.

To avoid code duplication the gmux_probe() function of the actual
driver is also moved over to using the new apple_gmux_detect() helper.

This avoids false positives (vs _HID + IO region detection) on:

MacBookPro5,4
https://pastebin.com/8Xjq7RhS

MacBookPro8,1
https://linux-hardware.org/?probe=e513cfbadb&log=dmesg

MacBookPro9,2
https://bugzilla.kernel.org/attachment.cgi?id=278961

MacBookPro10,2
https://lkml.org/lkml/2014/9/22/657

MacBookPro11,2
https://forums.fedora-fr.org/viewtopic.php?id=70142

MacBookPro11,4
https://raw.githubusercontent.com/im-0/investigate-card-reader-suspend-problem-on-mbp11.4/master/test-16/dmesg

Fixes: 21245df307 ("ACPI: video: Add Apple GMUX brightness control detection")
Link: https://lore.kernel.org/platform-driver-x86/20230123113750.462144-1-hdegoede@redhat.com/
Reported-by: Emmanouil Kouroupakis <kartebi@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20230124105754.62167-3-hdegoede@redhat.com
2023-01-24 13:41:57 +01:00
Hans de Goede
39f5a81f7a platform/x86: apple-gmux: Move port defines to apple-gmux.h
This is a preparation patch for adding a new static inline
apple_gmux_detect() helper which actually checks a supported
gmux is present, rather then only checking an ACPI device with
the HID is there as apple_gmux_present() does.

Fixes: 21245df307 ("ACPI: video: Add Apple GMUX brightness control detection")
Link: https://lore.kernel.org/platform-driver-x86/20230123113750.462144-1-hdegoede@redhat.com/
Reported-by: Emmanouil Kouroupakis <kartebi@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20230124105754.62167-2-hdegoede@redhat.com
2023-01-24 13:41:57 +01:00
Linus Torvalds
e67da28898 USB / Thunderbolt fixes for 6.2-rc5
Here are a number of small USB and Thunderbolt driver fixes and new
 device id changes for 6.2-rc5.  Included in here are:
   - thunderbolt bugfixes for reported problems
   - new usb-serial driver ids added
   - onboard_hub usb driver fixes for much-reported problems
   - xhci bugfixes
   - typec bugfixes
   - ehci-fsl driver module alias fix
   - iowarrior header size fix
   - usb gadget driver fixes
 
 All of these, except for the iowarrior fix, have been in linux-next with
 no reported issues.  The iowarrior fix passed the 0-day testing and is a
 one digit change based on a reported problem in the driver (which was
 written to a spec, not the real device that is now available.)
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB / Thunderbolt fixes from Greg KH:
 "Here are a number of small USB and Thunderbolt driver fixes and new
  device id changes for 6.2-rc5. Included in here are:

   - thunderbolt bugfixes for reported problems

   - new usb-serial driver ids added

   - onboard_hub usb driver fixes for much-reported problems

   - xhci bugfixes

   - typec bugfixes

   - ehci-fsl driver module alias fix

   - iowarrior header size fix

   - usb gadget driver fixes

  All of these, except for the iowarrior fix, have been in linux-next
  with no reported issues. The iowarrior fix passed the 0-day testing
  and is a one digit change based on a reported problem in the driver
  (which was written to a spec, not the real device that is now
  available)"

* tag 'usb-6.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (40 commits)
  USB: misc: iowarrior: fix up header size for USB_DEVICE_ID_CODEMERCS_IOW100
  usb: host: ehci-fsl: Fix module alias
  usb: dwc3: fix extcon dependency
  usb: core: hub: disable autosuspend for TI TUSB8041
  USB: fix misleading usb_set_intfdata() kernel doc
  usb: gadget: f_ncm: fix potential NULL ptr deref in ncm_bitrate()
  USB: gadget: Add ID numbers to configfs-gadget driver names
  usb: typec: tcpm: Fix altmode re-registration causes sysfs create fail
  usb: gadget: g_webcam: Send color matching descriptor per frame
  usb: typec: altmodes/displayport: Use proper macro for pin assignment check
  usb: typec: altmodes/displayport: Fix pin assignment calculation
  usb: typec: altmodes/displayport: Add pin assignment helper
  usb: gadget: f_fs: Ensure ep0req is dequeued before free_request
  usb: gadget: f_fs: Prevent race during ffs_ep0_queue_wait
  usb: misc: onboard_hub: Move 'attach' work to the driver
  usb: misc: onboard_hub: Invert driver registration order
  usb: ucsi: Ensure connector delayed work items are flushed
  usb: musb: fix error return code in omap2430_probe()
  usb: chipidea: core: fix possible constant 0 if use IS_ERR(ci->role_switch)
  xhci: Detect lpm incapable xHC USB3 roothub ports from ACPI tables
  ...
2023-01-21 11:10:03 -08:00
Linus Torvalds
1ed46384f8 ARM: SoC DT and driver fixes 6.2
Lots of dts fixes for Qualcomm Snapdragon and NXP i.MX platforms,
 including:
 
  - A regression fix for SDHCI controllers on Inforce 6540, and
    another SDHCI fix on SM8350
 
  - Reenable cluster idle on sm8250 after the the code fix is upstream
 
  - multiple fixes for the QMP PHY binding, needing an incompatible
    dt change
 
  - The reserved memory map is updated on Xiaomi Mi 4C and Huawei Nexus
    6P, to avoid instabilities caused by use of protected memory regions
 
  - Fix i.MX8MP DT for missing GPC Interrupt, power-domain typo and USB
    clock error
 
  - A couple of verdin-imx8mm DT fixes for audio playback support
 
  - Fix pca9547 i2c-mux node name for i.MX and Vybrid device trees
 
  - Fix an imx93-11x11-evk uSDHC pad setting problem that causes Micron
    eMMC CMD8 CRC error in HS400ES/HS400 mode
 
 The remaining ARM and RISC-V platforms only have very few
 smaller dts bugfixes this time:
 
  - A fix for the SiFive unmatched board's PCI memory space
 
  - A revert to fix a regression with GPIO on Marvell Armada
 
  - A fix for the UART address on Marvell AC5
 
  - Missing chip-select phandles for stm32 boards
 
  - Selecting the correct clock for the sam9x60 memory controller
 
  - Amlogic based Odroid-HC4 needs a revert to restore USB
    functionality.
 
 And finally, there are some minor code fixes:
 
  - Build fixes for OMAP1, pxa, riscpc, raspberry pi firmware, and zynq
    firmware
 
  - memory controller driver fixes for an OMAP regression and older bugs
    on tegra, atmel and mvebu
 
  - reset controller fixes for ti-sci and uniphier platforms
 
  - ARM SCMI firmware fixes for a couple of rare corner cases
 
  - Qualcomm platform driver fixes for incorrect error handling and a
    backwards compatibility fix for the apr driver using older dtb
 
  - NXP i.MX SoC driver fixes for HDMI output, error handling in the imx8
    soc-id and missing reference counting on older cpuid code
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Merge tag 'soc-fixes-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC DT and driver fixes from Arnd Bergmann:
 "Lots of dts fixes for Qualcomm Snapdragon and NXP i.MX platforms,
  including:

   - A regression fix for SDHCI controllers on Inforce 6540, and another
     SDHCI fix on SM8350

   - Reenable cluster idle on sm8250 after the the code fix is upstream

   - multiple fixes for the QMP PHY binding, needing an incompatible dt
     change

   - The reserved memory map is updated on Xiaomi Mi 4C and Huawei Nexus
     6P, to avoid instabilities caused by use of protected memory
     regions

   - Fix i.MX8MP DT for missing GPC Interrupt, power-domain typo and USB
     clock error

   - A couple of verdin-imx8mm DT fixes for audio playback support

   - Fix pca9547 i2c-mux node name for i.MX and Vybrid device trees

   - Fix an imx93-11x11-evk uSDHC pad setting problem that causes Micron
     eMMC CMD8 CRC error in HS400ES/HS400 mode

  The remaining ARM and RISC-V platforms only have very few smaller dts
  bugfixes this time:

   - A fix for the SiFive unmatched board's PCI memory space

   - A revert to fix a regression with GPIO on Marvell Armada

   - A fix for the UART address on Marvell AC5

   - Missing chip-select phandles for stm32 boards

   - Selecting the correct clock for the sam9x60 memory controller

   - Amlogic based Odroid-HC4 needs a revert to restore USB
     functionality.

  And finally, there are some minor code fixes:

   - Build fixes for OMAP1, pxa, riscpc, raspberry pi firmware, and zynq
     firmware

   - memory controller driver fixes for an OMAP regression and older
     bugs on tegra, atmel and mvebu

   - reset controller fixes for ti-sci and uniphier platforms

   - ARM SCMI firmware fixes for a couple of rare corner cases

   - Qualcomm platform driver fixes for incorrect error handling and a
     backwards compatibility fix for the apr driver using older dtb

   - NXP i.MX SoC driver fixes for HDMI output, error handling in the
     imx8 soc-id and missing reference counting on older cpuid code"

* tag 'soc-fixes-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (60 commits)
  firmware: zynqmp: fix declarations for gcc-13
  ARM: dts: stm32: Fix qspi pinctrl phandle for stm32mp151a-prtt1l
  ARM: dts: stm32: Fix qspi pinctrl phandle for stm32mp157c-emstamp-argon
  ARM: dts: stm32: Fix qspi pinctrl phandle for stm32mp15xx-dhcom-som
  ARM: dts: stm32: Fix qspi pinctrl phandle for stm32mp15xx-dhcor-som
  ARM: dts: at91: sam9x60: fix the ddr clock for sam9x60
  ARM: omap1: fix building gpio15xx
  ARM: omap1: fix !ARCH_OMAP1_ANY link failures
  firmware: raspberrypi: Fix type assignment
  arm64: dts: qcom: msm8992-libra: Fix the memory map
  arm64: dts: qcom: msm8992: Don't use sfpb mutex
  PM: AVS: qcom-cpr: Fix an error handling path in cpr_probe()
  arm64: dts: msm8994-angler: fix the memory map
  arm64: dts: marvell: AC5/AC5X: Fix address for UART1
  ARM: footbridge: drop unnecessary inclusion
  Revert "ARM: dts: armada-39x: Fix compatible string for gpios"
  Revert "ARM: dts: armada-38x: Fix compatible string for gpios"
  ARM: pxa: enable PXA310/PXA320 for DT-only build
  riscv: dts: sifive: fu740: fix size of pcie 32bit memory
  soc: qcom: apr: Make qcom,protection-domain optional again
  ...
2023-01-20 11:00:03 -08:00
Linus Torvalds
5deaa98587 Including fixes from wireless, bluetooth, bpf and netfilter.
Current release - regressions:
 
  - Revert "net: team: use IFF_NO_ADDRCONF flag to prevent ipv6
    addrconf", fix nsna_ping mode of team
 
  - wifi: mt76: fix bugs in Rx queue handling and DMA mapping
 
  - eth: mlx5:
    - add missing mutex_unlock in error reporter
    - protect global IPsec ASO with a lock
 
 Current release - new code bugs:
 
  - rxrpc: fix wrong error return in rxrpc_connect_call()
 
 Previous releases - regressions:
 
  - bluetooth: hci_sync: fix use of HCI_OP_LE_READ_BUFFER_SIZE_V2
 
  - wifi:
    - mac80211: fix crashes on Rx due to incorrect initialization of
      rx->link and rx->link_sta
    - mac80211: fix bugs in iTXQ conversion - Tx stalls, incorrect
      aggregation handling, crashes
    - brcmfmac: fix regression for Broadcom PCIe wifi devices
    - rndis_wlan: prevent buffer overflow in rndis_query_oid
 
  - netfilter: conntrack: handle tcp challenge acks during connection
    reuse
 
  - sched: avoid grafting on htb_destroy_class_offload when destroying
 
  - virtio-net: correctly enable callback during start_xmit, fix stalls
 
  - tcp: avoid the lookup process failing to get sk in ehash table
 
  - ipa: disable ipa interrupt during suspend
 
  - eth: stmmac: enable all safety features by default
 
 Previous releases - always broken:
 
  - bpf:
    - fix pointer-leak due to insufficient speculative store bypass
      mitigation (Spectre v4)
    - skip task with pid=1 in send_signal_common() to avoid a splat
    - fix BPF program ID information in BPF_AUDIT_UNLOAD as well as
      PERF_BPF_EVENT_PROG_UNLOAD events
    - fix potential deadlock in htab_lock_bucket from same bucket index
      but different map_locked index
 
  - bluetooth:
    - fix a buffer overflow in mgmt_mesh_add()
    - hci_qca: fix driver shutdown on closed serdev
    - ISO: fix possible circular locking dependency
    - CIS: hci_event: fix invalid wait context
 
  - wifi: brcmfmac: fixes for survey dump handling
 
  - mptcp: explicitly specify sock family at subflow creation time
 
  - netfilter: nft_payload: incorrect arithmetics when fetching VLAN
    header bits
 
  - tcp: fix rate_app_limited to default to 1
 
  - l2tp: close all race conditions in l2tp_tunnel_register()
 
  - eth: mlx5: fixes for QoS config and eswitch configuration
 
  - eth: enetc: avoid deadlock in enetc_tx_onestep_tstamp()
 
  - eth: stmmac: fix invalid call to mdiobus_get_phy()
 
 Misc:
 
  - ethtool: add netlink attr in rss get reply only if the value is
    not empty
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.2-rc5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Including fixes from wireless, bluetooth, bpf and netfilter.

  Current release - regressions:

   - Revert "net: team: use IFF_NO_ADDRCONF flag to prevent ipv6
     addrconf", fix nsna_ping mode of team

   - wifi: mt76: fix bugs in Rx queue handling and DMA mapping

   - eth: mlx5:
      - add missing mutex_unlock in error reporter
      - protect global IPsec ASO with a lock

  Current release - new code bugs:

   - rxrpc: fix wrong error return in rxrpc_connect_call()

  Previous releases - regressions:

   - bluetooth: hci_sync: fix use of HCI_OP_LE_READ_BUFFER_SIZE_V2

   - wifi:
      - mac80211: fix crashes on Rx due to incorrect initialization of
        rx->link and rx->link_sta
      - mac80211: fix bugs in iTXQ conversion - Tx stalls, incorrect
        aggregation handling, crashes
      - brcmfmac: fix regression for Broadcom PCIe wifi devices
      - rndis_wlan: prevent buffer overflow in rndis_query_oid

   - netfilter: conntrack: handle tcp challenge acks during connection
     reuse

   - sched: avoid grafting on htb_destroy_class_offload when destroying

   - virtio-net: correctly enable callback during start_xmit, fix stalls

   - tcp: avoid the lookup process failing to get sk in ehash table

   - ipa: disable ipa interrupt during suspend

   - eth: stmmac: enable all safety features by default

  Previous releases - always broken:

   - bpf:
      - fix pointer-leak due to insufficient speculative store bypass
        mitigation (Spectre v4)
      - skip task with pid=1 in send_signal_common() to avoid a splat
      - fix BPF program ID information in BPF_AUDIT_UNLOAD as well as
        PERF_BPF_EVENT_PROG_UNLOAD events
      - fix potential deadlock in htab_lock_bucket from same bucket
        index but different map_locked index

   - bluetooth:
      - fix a buffer overflow in mgmt_mesh_add()
      - hci_qca: fix driver shutdown on closed serdev
      - ISO: fix possible circular locking dependency
      - CIS: hci_event: fix invalid wait context

   - wifi: brcmfmac: fixes for survey dump handling

   - mptcp: explicitly specify sock family at subflow creation time

   - netfilter: nft_payload: incorrect arithmetics when fetching VLAN
     header bits

   - tcp: fix rate_app_limited to default to 1

   - l2tp: close all race conditions in l2tp_tunnel_register()

   - eth: mlx5: fixes for QoS config and eswitch configuration

   - eth: enetc: avoid deadlock in enetc_tx_onestep_tstamp()

   - eth: stmmac: fix invalid call to mdiobus_get_phy()

  Misc:

   - ethtool: add netlink attr in rss get reply only if the value is not
     empty"

* tag 'net-6.2-rc5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (88 commits)
  Revert "Merge branch 'octeontx2-af-CPT'"
  tcp: fix rate_app_limited to default to 1
  bnxt: Do not read past the end of test names
  net: stmmac: enable all safety features by default
  octeontx2-af: add mbox to return CPT_AF_FLT_INT info
  octeontx2-af: update cpt lf alloc mailbox
  octeontx2-af: restore rxc conf after teardown sequence
  octeontx2-af: optimize cpt pf identification
  octeontx2-af: modify FLR sequence for CPT
  octeontx2-af: add mbox for CPT LF reset
  octeontx2-af: recover CPT engine when it gets fault
  net: dsa: microchip: ksz9477: port map correction in ALU table entry register
  selftests/net: toeplitz: fix race on tpacket_v3 block close
  net/ulp: use consistent error code when blocking ULP
  octeontx2-pf: Fix the use of GFP_KERNEL in atomic context on rt
  tcp: avoid the lookup process failing to get sk in ehash table
  Revert "net: team: use IFF_NO_ADDRCONF flag to prevent ipv6 addrconf"
  MAINTAINERS: add networking entries for Willem
  net: sched: gred: prevent races when adding offloads to stats
  l2tp: prevent lockdep issue in l2tp_tunnel_register()
  ...
2023-01-20 09:58:44 -08:00
Arnd Bergmann
d2c865553a
firmware: zynqmp: fix declarations for gcc-13
gcc-13.0.1 reports a type mismatch for two functions:

drivers/firmware/xilinx/zynqmp.c:1228:5: error: conflicting types for 'zynqmp_pm_set_rpu_mode' due to enum/integer mismatch; have 'int(u32,  enum rpu_oper_mode)' {aka 'int(unsigned int,  enum rpu_oper_mode)'} [-Werror=enum-int-mismatch]
 1228 | int zynqmp_pm_set_rpu_mode(u32 node_id, enum rpu_oper_mode rpu_mode)
      |     ^~~~~~~~~~~~~~~~~~~~~~
In file included from drivers/firmware/xilinx/zynqmp.c:25:
include/linux/firmware/xlnx-zynqmp.h:552:5: note: previous declaration of 'zynqmp_pm_set_rpu_mode' with type 'int(u32,  u32)' {aka 'int(unsigned int,  unsigned int)'}
  552 | int zynqmp_pm_set_rpu_mode(u32 node_id, u32 arg1);
      |     ^~~~~~~~~~~~~~~~~~~~~~
drivers/firmware/xilinx/zynqmp.c:1246:5: error: conflicting types for 'zynqmp_pm_set_tcm_config' due to enum/integer mismatch; have 'int(u32,  enum rpu_tcm_comb)' {aka 'int(unsigned int,  enum rpu_tcm_comb)'} [-Werror=enum-int-mismatch]
 1246 | int zynqmp_pm_set_tcm_config(u32 node_id, enum rpu_tcm_comb tcm_mode)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/firmware/xlnx-zynqmp.h:553:5: note: previous declaration of 'zynqmp_pm_set_tcm_config' with type 'int(u32,  u32)' {aka 'int(unsigned int,  unsigned int)'}
  553 | int zynqmp_pm_set_tcm_config(u32 node_id, u32 arg1);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~

Change the declaration in the header to match the function definition.

Acked-by: Michal Simek <michal.simek@amd.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2023-01-20 10:54:05 +01:00
Andrew Morton
bd86d2ea36 Sync with v6.2-rc4
Merge branch 'master' into mm-hotfixes-stable
2023-01-18 16:52:20 -08:00
Jakub Kicinski
423c1d363c bpf-for-netdev
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Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf

Daniel Borkmann says:

====================
bpf 2023-01-16

We've added 6 non-merge commits during the last 8 day(s) which contain
a total of 6 files changed, 22 insertions(+), 24 deletions(-).

The main changes are:

1) Mitigate a Spectre v4 leak in unprivileged BPF from speculative
   pointer-as-scalar type confusion, from Luis Gerhorst.

2) Fix a splat when pid 1 attaches a BPF program that attempts to
   send killing signal to itself, from Hao Sun.

3) Fix BPF program ID information in BPF_AUDIT_UNLOAD as well as
   PERF_BPF_EVENT_PROG_UNLOAD events, from Paul Moore.

4) Fix BPF verifier warning triggered from invalid kfunc call in
   backtrack_insn, also from Hao Sun.

5) Fix potential deadlock in htab_lock_bucket from same bucket index
   but different map_locked index, from Tonghao Zhang.

* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
  bpf: Fix pointer-leak due to insufficient speculative store bypass mitigation
  bpf: hash map, avoid deadlock with suitable hash mask
  bpf: remove the do_idr_lock parameter from bpf_prog_free_id()
  bpf: restore the ebpf program ID for BPF_AUDIT_UNLOAD and PERF_BPF_EVENT_PROG_UNLOAD
  bpf: Skip task with pid=1 in send_signal_common()
  bpf: Skip invalid kfunc call in backtrack_insn
====================

Link: https://lore.kernel.org/r/20230116230745.21742-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-01-17 19:13:02 -08:00
Johan Hovold
11cefeb205 USB: fix misleading usb_set_intfdata() kernel doc
The struct device driver-data pointer is used for any data that a driver
may need in various callbacks while bound to the device. For
convenience, subsystems typically provide wrappers such as
usb_set_intfdata() of the generic accessor functions for use in bus
callbacks.

There is generally no longer any need for a driver to clear the pointer,
but since commit 0998d06310 ("device-core: Ensure drvdata = NULL when
no driver is bound") the driver-data pointer is set to NULL by driver
core post unbind anyway.

For historical reasons, USB core also clears this pointer when an
explicitly claimed interface is released.

Due to a misunderstanding, a misleading kernel doc comment for
usb_set_intfdata() was recently added which claimed that the driver data
pointer must not be cleared during disconnect before "all actions [are]
completed", which is both imprecise and incorrect.

Specifically, drivers like cdc-acm which claim additional interfaces use
the driver-data pointer as a flag which is cleared when the first
interface is unbound. As long as a driver does not do something odd like
dereference the pointer in, for example, completion callbacks, this can
be done at any time during disconnect. And in any case this is no
different than for any other resource, like the driver data itself,
which may be freed by the disconnect callback.

Note that the comment actually also claimed that the interface itself
was somehow being set to NULL by driver core.

Fix the kernel doc by removing incorrect, overly specific and misleading
details and adding a comment about why some drivers do clear the
driver-data pointer.

Fixes: 27ef178497 ("usb: add usb_set_intfdata() documentation")
Signed-off-by: Johan Hovold <johan@kernel.org>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr>
Link: https://lore.kernel.org/r/20221212152035.31806-1-johan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-01-17 17:39:13 +01:00
Mathias Nyman
cd702d18c8 usb: acpi: add helper to check port lpm capability using acpi _DSM
Add a helper to evaluate ACPI usb device specific method (_DSM) provided
in case the USB3 port shouldn't enter U1 and U2 link states.

This _DSM was added as port specific retimer configuration may lead to
exit latencies growing beyond U1/U2 exit limits, and OS needs a way to
find which ports can't support U1/U2 link power management states.

This _DSM is also used by windows:
Link: https://docs.microsoft.com/en-us/windows-hardware/drivers/bringup/usb-device-specific-method---dsm-

Some patch issues found in testing resolved by Ron Lee

Cc: stable@vger.kernel.org
Tested-by: Ron Lee <ron.lee@intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20230116142216.1141605-7-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-01-17 16:37:24 +01:00
Linus Torvalds
6e50979a9c 21 hotfixes. Thirteen of these address pre-6.1 issues and hence have
the cc:stable tag.
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Merge tag 'mm-hotfixes-stable-2023-01-16-15-23' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull misc hotfixes from Andrew Morton:
 "21 hotfixes. Thirteen of these address pre-6.1 issues and hence have
  the cc:stable tag"

* tag 'mm-hotfixes-stable-2023-01-16-15-23' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (21 commits)
  init/Kconfig: fix typo (usafe -> unsafe)
  nommu: fix split_vma() map_count error
  nommu: fix do_munmap() error path
  nommu: fix memory leak in do_mmap() error path
  MAINTAINERS: update Robert Foss' email address
  proc: fix PIE proc-empty-vm, proc-pid-vm tests
  mm: update mmap_sem comments to refer to mmap_lock
  include/linux/mm: fix release_pages_arg kernel doc comment
  lib/win_minmax: use /* notation for regular comments
  kasan: mark kasan_kunit_executing as static
  nilfs2: fix general protection fault in nilfs_btree_insert()
  Docs/admin-guide/mm/zswap: remove zsmalloc's lack of writeback warning
  mm/hugetlb: pre-allocate pgtable pages for uffd wr-protects
  hugetlb: unshare some PMDs when splitting VMAs
  mm: fix vma->anon_name memory leak for anonymous shmem VMAs
  mm/shmem: restore SHMEM_HUGE_DENY precedence over MADV_COLLAPSE
  mm/MADV_COLLAPSE: don't expand collapse when vm_end is past requested end
  mm/userfaultfd: enable writenotify while userfaultfd-wp is enabled for a VMA
  mm/khugepaged: fix collapse_pte_mapped_thp() to allow anon_vma
  mm/hugetlb: fix uffd-wp handling for migration entries in hugetlb_change_protection()
  ...
2023-01-16 16:36:39 -08:00
Linus Torvalds
0bf913e07b First batch of EFI fixes for v6.2:
- avoid a potential crash on the efi_subsys_init() error path
 - use more appropriate error code for runtime services calls issued
   after a crash in the firmware occurred
 - avoid READ_ONCE() for accessing firmware tables that may appear
   misaligned in memory
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Merge tag 'efi-fixes-for-v6.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi

Pull EFI fixes from Ard Biesheuvel:

 - avoid a potential crash on the efi_subsys_init() error path

 - use more appropriate error code for runtime services calls issued
   after a crash in the firmware occurred

 - avoid READ_ONCE() for accessing firmware tables that may appear
   misaligned in memory

* tag 'efi-fixes-for-v6.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
  efi: tpm: Avoid READ_ONCE() for accessing the event log
  efi: rt-wrapper: Add missing include
  efi: fix userspace infinite retry read efivars after EFI runtime services page fault
  efi: fix NULL-deref in init error path
2023-01-13 10:37:10 -06:00
Ard Biesheuvel
d3f450533b efi: tpm: Avoid READ_ONCE() for accessing the event log
Nathan reports that recent kernels built with LTO will crash when doing
EFI boot using Fedora's GRUB and SHIM. The culprit turns out to be a
misaligned load from the TPM event log, which is annotated with
READ_ONCE(), and under LTO, this gets translated into a LDAR instruction
which does not tolerate misaligned accesses.

Interestingly, this does not happen when booting the same kernel
straight from the UEFI shell, and so the fact that the event log may
appear misaligned in memory may be caused by a bug in GRUB or SHIM.

However, using READ_ONCE() to access firmware tables is slightly unusual
in any case, and here, we only need to ensure that 'event' is not
dereferenced again after it gets unmapped, but this is already taken
care of by the implicit barrier() semantics of the early_memunmap()
call.

Cc: <stable@vger.kernel.org>
Cc: Peter Jones <pjones@redhat.com>
Cc: Jarkko Sakkinen <jarkko@kernel.org>
Cc: Matthew Garrett <mjg59@srcf.ucam.org>
Reported-by: Nathan Chancellor <nathan@kernel.org>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Link: https://github.com/ClangBuiltLinux/linux/issues/1782
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
2023-01-13 17:15:17 +01:00
Linus Torvalds
0d0833e039 platform-drivers-x86 for v6.2-2
A small set of assorted fixes and hardware-id additions for 6.2.
 
 The following is an automated git shortlog grouped by driver:
 
 asus-nb-wmi:
  -  Add alternate mapping for KEY_SCREENLOCK
  -  Add alternate mapping for KEY_CAMERA
 
 asus-wmi:
  -  Don't load fan curves without fan
  -  Ignore fan on E410MA
  -  Add quirk wmi_ignore_fan
 
 dell-privacy:
  -  Only register SW_CAMERA_LENS_COVER if present
  -  Fix SW_CAMERA_LENS_COVER reporting
 
 ideapad-laptop:
  -  Add Legion 5 15ARH05 DMI id to set_fn_lock_led_list[]
 
 int3472/discrete:
  -  Ensure the clk/power enable pins are in output mode
 
 intel/pmc/core:
  -  Add Meteor Lake mobile support
 
 platform/surface:
  -  aggregator: Add missing call to ssam_request_sync_free()
  -  aggregator: Ignore command messages not intended for us
 
 platform/x86/amd:
  -  Fix refcount leak in amd_pmc_probe
 
 simatic-ipc:
  -  add another model
  -  correct name of a model
 
 sony-laptop:
  -  Don't turn off 0x153 keyboard backlight during probe
 
 thinkpad_acpi:
  -  Fix profile mode display in AMT mode
 
 touchscreen_dmi:
  -  Add info for the CSL Panther Tab HD
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Merge tag 'platform-drivers-x86-v6.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86

Pull x86 platform driver fixes from Hans de Goede:
 "A set of assorted fixes and hardware-id additions"

* tag 'platform-drivers-x86-v6.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
  platform/x86: thinkpad_acpi: Fix profile mode display in AMT mode
  platform/x86: int3472/discrete: Ensure the clk/power enable pins are in output mode
  platform/x86/amd: Fix refcount leak in amd_pmc_probe
  platform/x86: intel/pmc/core: Add Meteor Lake mobile support
  platform/x86: simatic-ipc: add another model
  platform/x86: simatic-ipc: correct name of a model
  platform/x86: dell-privacy: Only register SW_CAMERA_LENS_COVER if present
  platform/x86: dell-privacy: Fix SW_CAMERA_LENS_COVER reporting
  platform/x86: asus-wmi: Don't load fan curves without fan
  platform/x86: asus-wmi: Ignore fan on E410MA
  platform/x86: asus-wmi: Add quirk wmi_ignore_fan
  platform/x86: asus-nb-wmi: Add alternate mapping for KEY_SCREENLOCK
  platform/x86: asus-nb-wmi: Add alternate mapping for KEY_CAMERA
  platform/surface: aggregator: Add missing call to ssam_request_sync_free()
  platform/surface: aggregator: Ignore command messages not intended for us
  platform/x86: touchscreen_dmi: Add info for the CSL Panther Tab HD
  platform/x86: ideapad-laptop: Add Legion 5 15ARH05 DMI id to set_fn_lock_led_list[]
  platform/x86: sony-laptop: Don't turn off 0x153 keyboard backlight during probe
2023-01-13 07:26:40 -06:00
Linus Torvalds
d45b832d6f arm64 fixes for -rc4
- Fix PAGE_TABLE_CHECK failures on hugepage splitting path
 
 - Fix PSCI encoding of MEM_PROTECT_RANGE function in UAPI header
 
 - Fix NULL deref when accessing debugfs node if PSCI is not present
 
 - Fix MTE core dumping when VMA list is being updated concurrently
 
 - Fix SME signal frame handling when SVE is not implemented by the CPU
 
 - Fix asm constraints for cmpxchg_double() to hazard both words
 
 - Fix build failure with stack tracer and older versions of Clang
 
 - Bring back workaround for Cortex-A715 erratum 2645198
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fixes from Will Deacon:
 "Here's a sizeable batch of Friday the 13th arm64 fixes for -rc4. What
  could possibly go wrong?

  The obvious reason we have so much here is because of the holiday
  season right after the merge window, but we've also brought back an
  erratum workaround that was previously dropped at the last minute and
  there's an MTE coredumping fix that strays outside of the arch/arm64
  directory.

  Summary:

   - Fix PAGE_TABLE_CHECK failures on hugepage splitting path

   - Fix PSCI encoding of MEM_PROTECT_RANGE function in UAPI header

   - Fix NULL deref when accessing debugfs node if PSCI is not present

   - Fix MTE core dumping when VMA list is being updated concurrently

   - Fix SME signal frame handling when SVE is not implemented by the
     CPU

   - Fix asm constraints for cmpxchg_double() to hazard both words

   - Fix build failure with stack tracer and older versions of Clang

   - Bring back workaround for Cortex-A715 erratum 2645198"

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: Fix build with CC=clang, CONFIG_FTRACE=y and CONFIG_STACK_TRACER=y
  arm64/mm: Define dummy pud_user_exec() when using 2-level page-table
  arm64: errata: Workaround possible Cortex-A715 [ESR|FAR]_ELx corruption
  firmware/psci: Don't register with debugfs if PSCI isn't available
  firmware/psci: Fix MEM_PROTECT_RANGE function numbers
  arm64/signal: Always allocate SVE signal frames on SME only systems
  arm64/signal: Always accept SVE signal frames on SME only systems
  arm64/sme: Fix context switch for SME only systems
  arm64: cmpxchg_double*: hazard against entire exchange variable
  arm64/uprobes: change the uprobe_opcode_t typedef to fix the sparse warning
  arm64: mte: Avoid the racy walk of the vma list during core dump
  elfcore: Add a cprm parameter to elf_core_extra_{phdrs,data_size}
  arm64: mte: Fix double-freeing of the temporary tag storage during coredump
  arm64: ptrace: Use ARM64_SME to guard the SME register enumerations
  arm64/mm: add pud_user_exec() check in pud_user_accessible_page()
  arm64/mm: fix incorrect file_map_count for invalid pmd
2023-01-13 07:11:45 -06:00
Linus Torvalds
d9fc151172 Including fixes from rxrpc.
Current release - regressions:
 
   - rxrpc:
     - only disconnect calls in the I/O thread
     - move client call connection to the I/O thread
     - fix incoming call setup race
 
   - eth: mlx5:
     - restore pkt rate policing support
     - fix memory leak on updating vport counters
 
 Previous releases - regressions:
 
   - gro: take care of DODGY packets
 
   - ipv6: deduct extension header length in rawv6_push_pending_frames
 
   - tipc: fix unexpected link reset due to discovery messages
 
 Previous releases - always broken:
 
   - sched: disallow noqueue for qdisc classes
 
   - eth: ice: fix potential memory leak in ice_gnss_tty_write()
 
   - eth: ixgbe: fix pci device refcount leak
 
   - eth: mlx5:
     - fix command stats access after free
     - fix macsec possible null dereference when updating MAC security entity (SecY)
 
 Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Paolo Abeni:
 "Including fixes from rxrpc.

  The rxrpc changes are noticeable large: to address a recent regression
  has been necessary completing the threaded refactor.

  Current release - regressions:

   - rxrpc:
       - only disconnect calls in the I/O thread
       - move client call connection to the I/O thread
       - fix incoming call setup race

   - eth: mlx5:
       - restore pkt rate policing support
       - fix memory leak on updating vport counters

  Previous releases - regressions:

   - gro: take care of DODGY packets

   - ipv6: deduct extension header length in rawv6_push_pending_frames

   - tipc: fix unexpected link reset due to discovery messages

  Previous releases - always broken:

   - sched: disallow noqueue for qdisc classes

   - eth: ice: fix potential memory leak in ice_gnss_tty_write()

   - eth: ixgbe: fix pci device refcount leak

   - eth: mlx5:
       - fix command stats access after free
       - fix macsec possible null dereference when updating MAC security
         entity (SecY)"

* tag 'net-6.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (64 commits)
  r8152: add vendor/device ID pair for Microsoft Devkit
  net: stmmac: add aux timestamps fifo clearance wait
  bnxt: make sure we return pages to the pool
  net: hns3: fix wrong use of rss size during VF rss config
  ipv6: raw: Deduct extension header length in rawv6_push_pending_frames
  net: lan966x: check for ptp to be enabled in lan966x_ptp_deinit()
  net: sched: disallow noqueue for qdisc classes
  iavf/iavf_main: actually log ->src mask when talking about it
  igc: Fix PPS delta between two synchronized end-points
  ixgbe: fix pci device refcount leak
  octeontx2-pf: Fix resource leakage in VF driver unbind
  selftests/net: l2_tos_ttl_inherit.sh: Ensure environment cleanup on failure.
  selftests/net: l2_tos_ttl_inherit.sh: Run tests in their own netns.
  selftests/net: l2_tos_ttl_inherit.sh: Set IPv6 addresses with "nodad".
  net/mlx5e: Fix macsec possible null dereference when updating MAC security entity (SecY)
  net/mlx5e: Fix macsec ssci attribute handling in offload path
  net/mlx5: E-switch, Coverity: overlapping copy
  net/mlx5e: Don't support encap rules with gbp option
  net/mlx5: Fix ptp max frequency adjustment range
  net/mlx5e: Fix memory leak on updating vport counters
  ...
2023-01-12 18:20:44 -06:00
Henning Schild
d348b1d761 platform/x86: simatic-ipc: add another model
Add IPC PX-39A support.

Signed-off-by: Henning Schild <henning.schild@siemens.com>
Link: https://lore.kernel.org/r/20221222103720.8546-3-henning.schild@siemens.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2023-01-12 19:42:53 +01:00
Henning Schild
ed058eab22 platform/x86: simatic-ipc: correct name of a model
What we called IPC427G should be renamed to BX-39A to be more in line
with the actual product name.

Signed-off-by: Henning Schild <henning.schild@siemens.com>
Link: https://lore.kernel.org/r/20221222103720.8546-2-henning.schild@siemens.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2023-01-12 19:42:41 +01:00
Linus Torvalds
e58f087e9c MTD changes:
* cfi: Allow building spi-intel standalone to avoid build issues
 * parsers: scpart: Fix __udivdi3 undefined on mips
 * parsers: tplink_safeloader: Fix potential memory leak during parsing
 
 MAINTAINERS change:
 * Update email of Tudor Ambarus
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Merge tag 'mtd/fixes-for-6.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux

Pull MTD fixes from Miquel Raynal:

 - cfi: Allow building spi-intel standalone to avoid build issues

 - parsers: scpart: Fix __udivdi3 undefined on mips

 - parsers: tplink_safeloader: Fix potential memory leak during parsing

 - Update email of Tudor Ambarus

* tag 'mtd/fixes-for-6.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux:
  MAINTAINERS: Update email of Tudor Ambarus
  mtd: cfi: allow building spi-intel standalone
  mtd: parsers: scpart: fix __udivdi3 undefined on mips
  mtd: parsers: Fix potential memory leak in mtd_parser_tplink_safeloader_parse()
2023-01-12 05:56:06 -06:00
Lorenzo Stoakes
8651a137e6 mm: update mmap_sem comments to refer to mmap_lock
The rename from mm->mmap_sem to mm->mmap_lock was performed in commit
da1c55f1b2 ("mmap locking API: rename mmap_sem to mmap_lock") and commit
c1e8d7c6a7 ("map locking API: convert mmap_sem comments"), however some
incorrect comments remain.

This patch simply corrects those comments which are obviously incorrect
within mm itself.

Link: https://lkml.kernel.org/r/33fba04389ab63fc4980e7ba5442f521df6dc657.1673048927.git.lstoakes@gmail.com
Signed-off-by: Lorenzo Stoakes <lstoakes@gmail.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-01-11 16:14:22 -08:00
SeongJae Park
0411d6ee50 include/linux/mm: fix release_pages_arg kernel doc comment
Commit 449c796768 ("mm: teach release_pages() to take an array of
encoded page pointers too") added the kernel doc comment for
release_pages() on top of 'union release_pages_arg', so making 'make
htmldocs' complains as below:

    ./include/linux/mm.h:1268: warning: cannot understand function prototype: 'typedef union '

The kernel doc comment for the function is already on top of the
function's definition in mm/swap.c, and the new comment is actually not
for the function but indeed release_pages_arg.  Fixing the comment to
reflect the intent would be one option.  But, kernel doc cannot parse
the union as below due to the attribute.

    ./include/linux/mm.h:1272: error: Cannot parse struct or union!

Modify the comment to reflect the intent but do not mark it as a kernel
doc comment.

Link: https://lkml.kernel.org/r/20230106203331.127532-1-sj@kernel.org
Fixes: 449c796768 ("mm: teach release_pages() to take an array of encoded page pointers too")
Signed-off-by: SeongJae Park <sj@kernel.org>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-01-11 16:14:21 -08:00
Suren Baghdasaryan
a1193de562 mm: fix vma->anon_name memory leak for anonymous shmem VMAs
free_anon_vma_name() is missing a check for anonymous shmem VMA which
leads to a memory leak due to refcount not being dropped.  Fix this by
calling anon_vma_name_put() unconditionally.  It will free vma->anon_name
whenever it's non-NULL.

Link: https://lkml.kernel.org/r/20230105000241.1450843-1-surenb@google.com
Fixes: d09e8ca6cb ("mm: anonymous shared memory naming")
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Suggested-by: David Hildenbrand <david@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reported-by: syzbot+91edf9178386a07d06a7@syzkaller.appspotmail.com
Cc: Hugh Dickins <hughd@google.com>
Cc: Pasha Tatashin <pasha.tatashin@soleen.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-01-11 16:14:20 -08:00
Arnd Bergmann
6437c02912 Merge branch 'armsoc-build-fixes' of https://git.kernel.org/pub/scm/linux/kernel/git/soc/soc into arm/fixes
ARM: SoC fixes

These are three fixes for mistakes I discovered during the preparation
of the boardfile removal. Robert noticed the accidental removal
of PXA310 and PXA320 support because of a misplaced Kconfig statement,
and the two OMAP patches were build failures that got introduced
earlier but that I found while testing the removal.

* 'armsoc-build-fixes' of https://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
  ARM: omap1: fix building gpio15xx
  ARM: omap1: fix !ARCH_OMAP1_ANY link failures
  ARM: pxa: enable PXA310/PXA320 for DT-only build
2023-01-10 23:08:10 +01:00
Arnd Bergmann
980a637d11 ARM: omap1: fix !ARCH_OMAP1_ANY link failures
While compile-testing randconfig builds for the upcoming boardfile
removal, I noticed that an earlier patch of mine was completely
broken, and the introduction of CONFIG_ARCH_OMAP1_ANY only replaced
one set of build failures with another one, now resulting in
link failures like

ld: drivers/video/fbdev/omap/omapfb_main.o: in function `omapfb_do_probe':
drivers/video/fbdev/omap/omapfb_main.c:1703: undefined reference to `omap_set_dma_priority'
ld: drivers/dma/ti/omap-dma.o: in function `omap_dma_free_chan_resources':
drivers/dma/ti/omap-dma.c:777: undefined reference to `omap_free_dma'
drivers/dma/ti/omap-dma.c:1685: undefined reference to `omap_get_plat_info'
ld: drivers/usb/gadget/udc/omap_udc.o: in function `next_in_dma':
drivers/usb/gadget/udc/omap_udc.c:820: undefined reference to `omap_get_dma_active_status'

I tried reworking it, but the resulting patch ended up much bigger than
simply avoiding the original problem of unused-function warnings like

arch/arm/mach-omap1/mcbsp.c:76:30: error: unused variable 'omap1_mcbsp_ops' [-Werror,-Wunused-variable]

As a result, revert the previous fix, and rearrange the code that
produces warnings to hide them. For mcbsp, the #ifdef check can
simply be removed as the cpu_is_omapxxx() checks already achieve
the same result, while in the io.c the easiest solution appears to
be to merge the common map bits into each soc specific portion.
This gets cleaned in a nicer way after omap7xx support gets dropped,
as the remaining SoCs all have the exact same I/O map.

Fixes: 615dce5bf7 ("ARM: omap1: fix build with no SoC selected")
Cc: stable@vger.kernel.org
Acked-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2023-01-10 23:05:26 +01:00
Moshe Shemesh
da2e552b46 net/mlx5: Fix command stats access after free
Command may fail while driver is reloading and can't accept FW commands
till command interface is reinitialized. Such command failure is being
logged to command stats. This results in NULL pointer access as command
stats structure is being freed and reallocated during mlx5 devlink
reload (see kernel log below).

Fix it by making command stats statically allocated on driver probe.

Kernel log:
[ 2394.808802] BUG: unable to handle kernel paging request at 000000000002a9c0
[ 2394.810610] PGD 0 P4D 0
[ 2394.811811] Oops: 0002 [#1] SMP NOPTI
...
[ 2394.815482] RIP: 0010:native_queued_spin_lock_slowpath+0x183/0x1d0
...
[ 2394.829505] Call Trace:
[ 2394.830667]  _raw_spin_lock_irq+0x23/0x26
[ 2394.831858]  cmd_status_err+0x55/0x110 [mlx5_core]
[ 2394.833020]  mlx5_access_reg+0xe7/0x150 [mlx5_core]
[ 2394.834175]  mlx5_query_port_ptys+0x78/0xa0 [mlx5_core]
[ 2394.835337]  mlx5e_ethtool_get_link_ksettings+0x74/0x590 [mlx5_core]
[ 2394.836454]  ? kmem_cache_alloc_trace+0x140/0x1c0
[ 2394.837562]  __rh_call_get_link_ksettings+0x33/0x100
[ 2394.838663]  ? __rtnl_unlock+0x25/0x50
[ 2394.839755]  __ethtool_get_link_ksettings+0x72/0x150
[ 2394.840862]  duplex_show+0x6e/0xc0
[ 2394.841963]  dev_attr_show+0x1c/0x40
[ 2394.843048]  sysfs_kf_seq_show+0x9b/0x100
[ 2394.844123]  seq_read+0x153/0x410
[ 2394.845187]  vfs_read+0x91/0x140
[ 2394.846226]  ksys_read+0x4f/0xb0
[ 2394.847234]  do_syscall_64+0x5b/0x1a0
[ 2394.848228]  entry_SYSCALL_64_after_hwframe+0x65/0xca

Fixes: 34f46ae0d4 ("net/mlx5: Add command failures data to debugfs")
Signed-off-by: Moshe Shemesh <moshe@nvidia.com>
Reviewed-by: Shay Drory <shayd@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2023-01-09 22:08:34 -08:00
Paul Moore
e7895f017b bpf: remove the do_idr_lock parameter from bpf_prog_free_id()
It was determined that the do_idr_lock parameter to
bpf_prog_free_id() was not necessary as it should always be true.

Suggested-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
Acked-by: Stanislav Fomichev <sdf@google.com>
Link: https://lore.kernel.org/r/20230106154400.74211-2-paul@paul-moore.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-01-09 19:47:59 -08:00
Shanker Donthineni
101ca8d059 rtc: efi: Enable SET/GET WAKEUP services as optional
The current implementation of rtc-efi is expecting all the 4
time services GET{SET}_TIME{WAKEUP} must be supported by UEFI
firmware. As per the EFI_RT_PROPERTIES_TABLE, the platform
specific implementations can choose to enable selective time
services based on the RTC device capabilities.

This patch does the following changes to provide GET/SET RTC
services on platforms that do not support the WAKEUP feature.

1) Relax time services cap check when creating a platform device.
2) Clear RTC_FEATURE_ALARM bit in the absence of WAKEUP services.
3) Conditional alarm entries in '/proc/driver/rtc'.

Cc: <stable@vger.kernel.org> # v6.0+
Signed-off-by: Shanker Donthineni <sdonthineni@nvidia.com>
Link: https://lore.kernel.org/r/20230102230630.192911-1-sdonthineni@nvidia.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2023-01-09 22:05:54 +01:00
Linus Torvalds
9b43a525db NFS client fixes for Linux 6.2
Highlights include:
 
 Bugfixes
 - Fix a race in the RPCSEC_GSS upcall code that causes hung RPC calls
 - Fix a broken coalescing test in the pNFS file layout driver
 - Ensure that the access cache rcu path also applies the login test
 - Fix up for a sparse warning
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Merge tag 'nfs-for-6.2-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

Pull NFS client fixes from Trond Myklebust:

 - Fix a race in the RPCSEC_GSS upcall code that causes hung RPC calls

 - Fix a broken coalescing test in the pNFS file layout driver

 - Ensure that the access cache rcu path also applies the login test

 - Fix up for a sparse warning

* tag 'nfs-for-6.2-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
  NFS: Fix up a sparse warning
  NFS: Judge the file access cache's timestamp in rcu path
  pNFS/filelayout: Fix coalescing test for single DS
  SUNRPC: ensure the matching upcall is in-flight upon downcall
2023-01-07 10:38:11 -08:00
Linus Torvalds
a689b938df block-2023-01-06
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Merge tag 'block-2023-01-06' of git://git.kernel.dk/linux

Pull block fixes from Jens Axboe:
 "The big change here is obviously the revert of the pktcdvd driver
  removal. Outside of that, just minor tweaks. In detail:

   - Re-instate the pktcdvd driver, which necessitates adding back
     bio_copy_data_iter() and the fops->devnode() hook for now (me)

   - Fix for splitting of a bio marked as NOWAIT, causing either nowait
     reads or writes to error with EAGAIN even if parts of the IO
     completed (me)

   - Fix for ublk, punting management commands to io-wq as they can all
     easily block for extended periods of time (Ming)

   - Removal of SRCU dependency for the block layer (Paul)"

* tag 'block-2023-01-06' of git://git.kernel.dk/linux:
  block: Remove "select SRCU"
  Revert "pktcdvd: remove driver."
  Revert "block: remove devnode callback from struct block_device_operations"
  Revert "block: bio_copy_data_iter"
  ublk: honor IO_URING_F_NONBLOCK for handling control command
  block: don't allow splitting of a REQ_NOWAIT bio
  block: handle bio_split_to_limits() NULL return
2023-01-06 13:12:42 -08:00
Linus Torvalds
ef1a4a7709 io_uring-2023-01-06
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Merge tag 'io_uring-2023-01-06' of git://git.kernel.dk/linux

Pull io_uring fixes from Jens Axboe:
 "A few minor fixes that should go into the 6.2 release:

   - Fix for a memory leak in io-wq worker creation, if we ultimately
     end up canceling the worker creation before it gets created (me)

   - lockdep annotations for the CQ locking (Pavel)

   - A regression fix for CQ timeout handling (Pavel)

   - Ring pinning around deferred task_work fix (Pavel)

   - A trivial member move in struct io_ring_ctx, saving us some memory
     (me)"

* tag 'io_uring-2023-01-06' of git://git.kernel.dk/linux:
  io_uring: fix CQ waiting timeout handling
  io_uring: move 'poll_multi_queue' bool in io_ring_ctx
  io_uring: lockdep annotate CQ locking
  io_uring: pin context while queueing deferred tw
  io_uring/io-wq: free worker if task_work creation is canceled
2023-01-06 13:05:13 -08:00
Linus Torvalds
5c1a712f71 Two file locking fixes from Xiubo.
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Merge tag 'ceph-for-6.2-rc3' of https://github.com/ceph/ceph-client

Pull ceph fixes from Ilya Dryomov:
 "Two file locking fixes from Xiubo"

* tag 'ceph-for-6.2-rc3' of https://github.com/ceph/ceph-client:
  ceph: avoid use-after-free in ceph_fl_release_lock()
  ceph: switch to vfs_inode_has_locks() to fix file lock bug
2023-01-06 12:11:41 -08:00
Linus Torvalds
50011c32f4 Including fixes from bpf, wifi, and netfilter.
Current release - regressions:
 
  - bpf: fix nullness propagation for reg to reg comparisons,
    avoid null-deref
 
  - inet: control sockets should not use current thread task_frag
 
  - bpf: always use maximal size for copy_array()
 
  - eth: bnxt_en: don't link netdev to a devlink port for VFs
 
 Current release - new code bugs:
 
  - rxrpc: fix a couple of potential use-after-frees
 
  - netfilter: conntrack: fix IPv6 exthdr error check
 
  - wifi: iwlwifi: fw: skip PPAG for JF, avoid FW crashes
 
  - eth: dsa: qca8k: various fixes for the in-band register access
 
  - eth: nfp: fix schedule in atomic context when sync mc address
 
  - eth: renesas: rswitch: fix getting mac address from device tree
 
  - mobile: ipa: use proper endpoint mask for suspend
 
 Previous releases - regressions:
 
  - tcp: add TIME_WAIT sockets in bhash2, fix regression caught
    by Jiri / python tests
 
  - net: tc: don't intepret cls results when asked to drop, fix
    oob-access
 
  - vrf: determine the dst using the original ifindex for multicast
 
  - eth: bnxt_en:
    - fix XDP RX path if BPF adjusted packet length
    - fix HDS (header placement) and jumbo thresholds for RX packets
 
  - eth: ice: xsk: do not use xdp_return_frame() on tx_buf->raw_buf,
    avoid memory corruptions
 
 Previous releases - always broken:
 
  - ulp: prevent ULP without clone op from entering the LISTEN status
 
  - veth: fix race with AF_XDP exposing old or uninitialized descriptors
 
  - bpf:
    - pull before calling skb_postpull_rcsum() (fix checksum support
      and avoid a WARN())
    - fix panic due to wrong pageattr of im->image (when livepatch
      and kretfunc coexist)
    - keep a reference to the mm, in case the task is dead
 
  - mptcp: fix deadlock in fastopen error path
 
  - netfilter:
    - nf_tables: perform type checking for existing sets
    - nf_tables: honor set timeout and garbage collection updates
    - ipset: fix hash:net,port,net hang with /0 subnet
    - ipset: avoid hung task warning when adding/deleting entries
 
  - selftests: net:
    - fix cmsg_so_mark.sh test hang on non-x86 systems
    - fix the arp_ndisc_evict_nocarrier test for IPv6
 
  - usb: rndis_host: secure rndis_query check against int overflow
 
  - eth: r8169: fix dmar pte write access during suspend/resume with WOL
 
  - eth: lan966x: fix configuration of the PCS
 
  - eth: sparx5: fix reading of the MAC address
 
  - eth: qed: allow sleep in qed_mcp_trace_dump()
 
  - eth: hns3:
    - fix interrupts re-initialization after VF FLR
    - fix handling of promisc when MAC addr table gets full
    - refine the handling for VF heartbeat
 
  - eth: mlx5:
    - properly handle ingress QinQ-tagged packets on VST
    - fix io_eq_size and event_eq_size params validation on big endian
    - fix RoCE setting at HCA level if not supported at all
    - don't turn CQE compression on by default for IPoIB
 
  - eth: ena:
    - fix toeplitz initial hash key value
    - account for the number of XDP-processed bytes in interface stats
    - fix rx_copybreak value update
 
 Misc:
 
  - ethtool: harden phy stat handling against buggy drivers
 
  - docs: netdev: convert maintainer's doc from FAQ to a normal document
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.2-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Including fixes from bpf, wifi, and netfilter.

  Current release - regressions:

   - bpf: fix nullness propagation for reg to reg comparisons, avoid
     null-deref

   - inet: control sockets should not use current thread task_frag

   - bpf: always use maximal size for copy_array()

   - eth: bnxt_en: don't link netdev to a devlink port for VFs

  Current release - new code bugs:

   - rxrpc: fix a couple of potential use-after-frees

   - netfilter: conntrack: fix IPv6 exthdr error check

   - wifi: iwlwifi: fw: skip PPAG for JF, avoid FW crashes

   - eth: dsa: qca8k: various fixes for the in-band register access

   - eth: nfp: fix schedule in atomic context when sync mc address

   - eth: renesas: rswitch: fix getting mac address from device tree

   - mobile: ipa: use proper endpoint mask for suspend

  Previous releases - regressions:

   - tcp: add TIME_WAIT sockets in bhash2, fix regression caught by
     Jiri / python tests

   - net: tc: don't intepret cls results when asked to drop, fix
     oob-access

   - vrf: determine the dst using the original ifindex for multicast

   - eth: bnxt_en:
      - fix XDP RX path if BPF adjusted packet length
      - fix HDS (header placement) and jumbo thresholds for RX packets

   - eth: ice: xsk: do not use xdp_return_frame() on tx_buf->raw_buf,
     avoid memory corruptions

  Previous releases - always broken:

   - ulp: prevent ULP without clone op from entering the LISTEN status

   - veth: fix race with AF_XDP exposing old or uninitialized
     descriptors

   - bpf:
      - pull before calling skb_postpull_rcsum() (fix checksum support
        and avoid a WARN())
      - fix panic due to wrong pageattr of im->image (when livepatch and
        kretfunc coexist)
      - keep a reference to the mm, in case the task is dead

   - mptcp: fix deadlock in fastopen error path

   - netfilter:
      - nf_tables: perform type checking for existing sets
      - nf_tables: honor set timeout and garbage collection updates
      - ipset: fix hash:net,port,net hang with /0 subnet
      - ipset: avoid hung task warning when adding/deleting entries

   - selftests: net:
      - fix cmsg_so_mark.sh test hang on non-x86 systems
      - fix the arp_ndisc_evict_nocarrier test for IPv6

   - usb: rndis_host: secure rndis_query check against int overflow

   - eth: r8169: fix dmar pte write access during suspend/resume with
     WOL

   - eth: lan966x: fix configuration of the PCS

   - eth: sparx5: fix reading of the MAC address

   - eth: qed: allow sleep in qed_mcp_trace_dump()

   - eth: hns3:
      - fix interrupts re-initialization after VF FLR
      - fix handling of promisc when MAC addr table gets full
      - refine the handling for VF heartbeat

   - eth: mlx5:
      - properly handle ingress QinQ-tagged packets on VST
      - fix io_eq_size and event_eq_size params validation on big endian
      - fix RoCE setting at HCA level if not supported at all
      - don't turn CQE compression on by default for IPoIB

   - eth: ena:
      - fix toeplitz initial hash key value
      - account for the number of XDP-processed bytes in interface stats
      - fix rx_copybreak value update

  Misc:

   - ethtool: harden phy stat handling against buggy drivers

   - docs: netdev: convert maintainer's doc from FAQ to a normal
     document"

* tag 'net-6.2-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (112 commits)
  caif: fix memory leak in cfctrl_linkup_request()
  inet: control sockets should not use current thread task_frag
  net/ulp: prevent ULP without clone op from entering the LISTEN status
  qed: allow sleep in qed_mcp_trace_dump()
  MAINTAINERS: Update maintainers for ptp_vmw driver
  usb: rndis_host: Secure rndis_query check against int overflow
  net: dpaa: Fix dtsec check for PCS availability
  octeontx2-pf: Fix lmtst ID used in aura free
  drivers/net/bonding/bond_3ad: return when there's no aggregator
  netfilter: ipset: Rework long task execution when adding/deleting entries
  netfilter: ipset: fix hash:net,port,net hang with /0 subnet
  net: sparx5: Fix reading of the MAC address
  vxlan: Fix memory leaks in error path
  net: sched: htb: fix htb_classify() kernel-doc
  net: sched: cbq: dont intepret cls results when asked to drop
  net: sched: atm: dont intepret cls results when asked to drop
  dt-bindings: net: marvell,orion-mdio: Fix examples
  dt-bindings: net: sun8i-emac: Add phy-supply property
  net: ipa: use proper endpoint mask for suspend
  selftests: net: return non-zero for failures reported in arp_ndisc_evict_nocarrier
  ...
2023-01-05 12:40:50 -08:00
Catalin Marinas
19e183b545 elfcore: Add a cprm parameter to elf_core_extra_{phdrs,data_size}
A subsequent fix for arm64 will use this parameter to parse the vma
information from the snapshot created by dump_vma_snapshot() rather than
traversing the vma list without the mmap_lock.

Fixes: 6dd8b1a0b6 ("arm64: mte: Dump the MTE tags in the core file")
Cc: <stable@vger.kernel.org> # 5.18.x
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Reported-by: Seth Jenkins <sethjenkins@google.com>
Suggested-by: Seth Jenkins <sethjenkins@google.com>
Cc: Will Deacon <will@kernel.org>
Cc: Eric Biederman <ebiederm@xmission.com>
Cc: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20221222181251.1345752-3-catalin.marinas@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
2023-01-05 15:12:12 +00:00
Jens Axboe
4b83e99ee7 Revert "pktcdvd: remove driver."
This reverts commit f40eb99897.

There are apparently still users out there of this driver. While we'd
love to remove it to ease the maintenance burden, let's reinstate it
for now until better (userspace) solutions can be developed.

Link: https://lore.kernel.org/lkml/20230104190115.ceglfefco475ev6c@pali/
Reported-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2023-01-04 14:44:13 -07:00