tcp: add data-race annotations around tp->data_segs_out and tp->total_retrans

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

Fixes: 7e98102f48 ("tcp: record pkts sent and retransmistted")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20260416200319.3608680-3-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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Eric Dumazet 2026-04-16 20:03:07 +00:00 • committed by Jakub Kicinski

parent 267bf3cf9a

commit 21e92a38cf

2 changed files with 7 additions and 5 deletions

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4

net/ipv4/tcp.c

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8

net/ipv4/tcp_output.c

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