diff options
| author | Eric Dumazet <edumazet@google.com> | 2026-04-16 23:03:10 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2026-04-18 21:10:12 +0300 |
| commit | faa886ad3ce5fc8f5156493491fe189b2b726bc9 (patch) | |
| tree | 8dbacedd6392a2220e34e718495f56f003912fbd /include | |
| parent | fd571afb05ebaeac5d8f09460a0640d4cf6755f8 (diff) | |
| download | linux-faa886ad3ce5fc8f5156493491fe189b2b726bc9.tar.xz | |
tcp: annotate data-races around tp->delivered and tp->delivered_ce
tcp_get_timestamping_opt_stats() intentionally runs lockless, we must
add READ_ONCE() and WRITE_ONCE() annotations to keep KCSAN happy.
Fixes: feb5f2ec6464 ("tcp: export packets delivery info")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20260416200319.3608680-6-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/tcp_ecn.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/net/tcp_ecn.h b/include/net/tcp_ecn.h index e9a933641636..865d5c5a7718 100644 --- a/include/net/tcp_ecn.h +++ b/include/net/tcp_ecn.h @@ -181,7 +181,7 @@ static inline void tcp_accecn_third_ack(struct sock *sk, tcp_accecn_validate_syn_feedback(sk, ace, sent_ect)) { if ((tcp_accecn_extract_syn_ect(ace) == INET_ECN_CE) && !tp->delivered_ce) - tp->delivered_ce++; + WRITE_ONCE(tp->delivered_ce, 1); } break; } |