36bf4eb5fe
I've had the kernel panic with a NULL pointer dereference in the addrconf_rt_table function. I have no idea how it could be triggered, but the fix is straightforward.
12 lines
373 B
Diff
12 lines
373 B
Diff
--- a/net/ipv6/addrconf.c 2022-02-08 08:17:30.000000000 +0300
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+++ b/net/ipv6/addrconf.c 2024-08-06 00:58:50.314960285 +0300
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@@ -2125,6 +2125,9 @@
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* - If < 0, put routes into table dev->ifindex + (-rt_table).
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*/
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struct inet6_dev *idev = in6_dev_get(dev);
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+ if (!idev) {
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+ return 0;
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+ }
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u32 table;
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int sysctl = idev->cnf.accept_ra_rt_table;
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if (sysctl == 0) {
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