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net: udp: annotate data race around udp_sk(sk)->corkflag
authorEric Dumazet <edumazet@google.com>
Tue, 28 Sep 2021 00:29:24 +0000 (17:29 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 6 Oct 2021 13:56:02 +0000 (15:56 +0200)
commit5c3a90b6ff75c18d9c8e1701b3b9b56580acfc61
tree1e8c69b78ddfada939d406e58c71a8c0b3d9b770tree | snapshot
parenta7f4c633ae120562e91a0891101ed44eaa6c6d1ecommit | diff
net: udp: annotate data race around udp_sk(sk)->corkflag

commit a9f5970767d11eadc805d5283f202612c7ba1f59 upstream.

up->corkflag field can be read or written without any lock.
Annotate accesses to avoid possible syzbot/KCSAN reports.

Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
net/ipv4/udp.c diff | blob | history
net/ipv6/udp.c diff | blob | history
Domain: System / Kernel;