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(parent: 4845b57) | patch
tcp: Fix a data-race around sysctl_tcp_retrans_collapse.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Mon, 18 Jul 2022 17:26:49 +0000 (10:26 -0700)
committerDavid S. Miller <davem@davemloft.net>
Wed, 20 Jul 2022 09:14:50 +0000 (10:14 +0100)
commit1a63cb91f0c2fcdeced6d6edee8d1d886583d139
treee9390950f5838cd0976703342a3b47792fa80e04tree | snapshot
parent4845b5713ab18a1bb6e31d1fbb4d600240b8b691commit | diff
tcp: Fix a data-race around sysctl_tcp_retrans_collapse.

While reading sysctl_tcp_retrans_collapse, it can be changed
concurrently.  Thus, we need to add READ_ONCE() to its reader.

Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv4/tcp_output.c diff | blob | history
Domain: System / Kernel;