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(parent: 5efc7b9) | patch
tcp: annotate data-races around tp->dsack_dups
authorEric Dumazet <edumazet@google.com>
Thu, 16 Apr 2026 20:03:14 +0000 (20:03 +0000)
committerJakub Kicinski <kuba@kernel.org>
Sat, 18 Apr 2026 18:10:13 +0000 (11:10 -0700)
commita984705ca88b976bf1087978fd98b7f3993da88c
tree2987024d765c98a008c6747ca81bd74d9412453ctree | snapshot
parent5efc7b9f7cbd43401f1af81d3d7f2be00f93390dcommit | diff
tcp: annotate data-races around tp->dsack_dups

tcp_get_timestamping_opt_stats() intentionally runs lockless, we must
add READ_ONCE() and WRITE_ONCE() annotations to keep KCSAN happy.

Fixes: 7e10b6554ff2 ("tcp: add dsack blocks received stats")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20260416200319.3608680-10-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
net/ipv4/tcp.c diff | blob | blame | history
net/ipv4/tcp_input.c diff | blob | blame | history
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