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| author | Kuniyuki Iwashima <kuniyu@amazon.com> | 2022-07-18 10:26:43 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2022-07-20 10:14:49 +0100 |
| commit | 3d72bb4188c708bb16758c60822fc4dda7a95174 (patch) | |
| tree | f799bca36a06cccad7bc3b26c6bd645b01e9aac6 /net/core/secure_seq.c | |
| parent | 9b55c20f83369dd54541d9ddbe3a018a8377f451 (diff) | |
| download | lwn-3d72bb4188c708bb16758c60822fc4dda7a95174.tar.gz lwn-3d72bb4188c708bb16758c60822fc4dda7a95174.zip | |
udp: Fix a data-race around sysctl_udp_l3mdev_accept.
While reading sysctl_udp_l3mdev_accept, it can be changed concurrently.
Thus, we need to add READ_ONCE() to its reader.
Fixes: 63a6fff353d0 ("net: Avoid receiving packets with an l3mdev on unbound UDP sockets")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core/secure_seq.c')
0 files changed, 0 insertions, 0 deletions