]> git.ipfire.org Git - thirdparty/kernel/stable.git/commit
projects / thirdparty / kernel / stable.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 9085e56) | patch
ipv6: use RCU in ip6_output()
authorEric Dumazet <edumazet@google.com>
Thu, 28 Aug 2025 19:58:19 +0000 (19:58 +0000)
committerJakub Kicinski <kuba@kernel.org>
Sat, 30 Aug 2025 02:36:32 +0000 (19:36 -0700)
commit11709573cc4e48dc34c80fc7ab9ce5b159e29695
treef68ded1c7935feea830798cbd5e2143319b40397tree | snapshot
parent9085e56501d93af9f2d7bd16f7fcfacdde47b99ccommit | diff
ipv6: use RCU in ip6_output()

Use RCU in ip6_output() in order to use dst_dev_rcu() to prevent
possible UAF.

We can remove rcu_read_lock()/rcu_read_unlock() pairs
from ip6_finish_output2().

Fixes: 4a6ce2b6f2ec ("net: introduce a new function dst_dev_put()")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://patch.msgid.link/20250828195823.3958522-5-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
net/ipv6/ip6_output.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git