diff options
| author | Eric Dumazet <edumazet@google.com> | 2026-04-16 23:03:08 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2026-04-18 21:10:12 +0300 |
| commit | 829ba1f329cb7cbd56d599a6d225997fba66dc32 (patch) | |
| tree | 3e202c664895cc35b2df8853795d9ac67dd18239 /include/net | |
| parent | 21e92a38cfd891538598ba8f805e0165a820d532 (diff) | |
| download | linux-829ba1f329cb7cbd56d599a6d225997fba66dc32.tar.xz | |
tcp: add data-races annotations around tp->reordering, tp->snd_cwnd
tcp_get_timestamping_opt_stats() intentionally runs lockless, we must
add READ_ONCE(), WRITE_ONCE() data_race() annotations to keep KCSAN happy.
Fixes: bb7c19f96012 ("tcp: add related fields into SCM_TIMESTAMPING_OPT_STATS")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20260416200319.3608680-4-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/net')
| -rw-r--r-- | include/net/tcp.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h index 674af493882c..ecbadcb3a744 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -1513,7 +1513,7 @@ static inline u32 tcp_snd_cwnd(const struct tcp_sock *tp) static inline void tcp_snd_cwnd_set(struct tcp_sock *tp, u32 val) { WARN_ON_ONCE((int)val <= 0); - tp->snd_cwnd = val; + WRITE_ONCE(tp->snd_cwnd, val); } static inline bool tcp_in_slow_start(const struct tcp_sock *tp) |