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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 13:31:25 +0000 (15:31 +0200)
commitf6a6cced386920fe3d24b79ea129827766ae4106
treeac75eb1a0f8b0319d8cba4348bbb8d3e83a3ab38tree | snapshot
parent8f890e9e43e07073566683c58a5ec483f1a3c646commit | 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 | blame | history
net/ipv6/udp.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git