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| author | Eric Dumazet <edumazet@google.com> | 2023-09-21 20:28:18 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-11-28 16:46:31 +0000 |
| commit | ac41b10e834f5f7479f91220668e90c505808d1c (patch) | |
| tree | 3b9d5bf64ab69722c4d97cdd9c5cf756c7f5e72b /net/core | |
| parent | bd4f1843a141fc77995108b08d9cc07f67d5d894 (diff) | |
| download | linux-stable-ac41b10e834f5f7479f91220668e90c505808d1c.tar.gz linux-stable-ac41b10e834f5f7479f91220668e90c505808d1c.tar.bz2 linux-stable-ac41b10e834f5f7479f91220668e90c505808d1c.zip | |
net: annotate data-races around sk->sk_dst_pending_confirm
[ Upstream commit eb44ad4e635132754bfbcb18103f1dcb7058aedd ]
This field can be read or written without socket lock being held.
Add annotations to avoid load-store tearing.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'net/core')
| -rw-r--r-- | net/core/sock.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/core/sock.c b/net/core/sock.c index e1d0c8c715b8..62d169bcfcfa 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -496,7 +496,7 @@ struct dst_entry *__sk_dst_check(struct sock *sk, u32 cookie) if (dst && dst->obsolete && dst->ops->check(dst, cookie) == NULL) { sk_tx_queue_clear(sk); - sk->sk_dst_pending_confirm = 0; + WRITE_ONCE(sk->sk_dst_pending_confirm, 0); RCU_INIT_POINTER(sk->sk_dst_cache, NULL); dst_release(dst); return NULL; |