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(parent: 86f0377) | patch
netlink: convert nlk->flags to atomic flags
authorEric Dumazet <edumazet@google.com>
Fri, 11 Aug 2023 07:22:26 +0000 (07:22 +0000)
committerDavid S. Miller <davem@davemloft.net>
Sun, 13 Aug 2023 11:23:19 +0000 (12:23 +0100)
commit8fe08d70a2b61b35a0a1235c78cf321e7528351f
tree032e445b905da105ee3c4969c10c9ac1b2cb76ddtree
parent86f03776f6d58558912bc05158fa75add1886acacommit | diff
netlink: convert nlk->flags to atomic flags

sk_diag_put_flags(), netlink_setsockopt(), netlink_getsockopt()
and others use nlk->flags without correct locking.

Use set_bit(), clear_bit(), test_bit(), assign_bit() to remove
data-races.

Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/netlink/af_netlink.c diff | blob | history
net/netlink/af_netlink.h diff | blob | history
net/netlink/diag.c diff | blob | history
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