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(parent: 58ebb1c) | patch
tcp: Fix a data-race around sysctl_tcp_app_win.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Wed, 20 Jul 2022 16:50:13 +0000 (09:50 -0700)
committerDavid S. Miller <davem@davemloft.net>
Fri, 22 Jul 2022 11:06:17 +0000 (12:06 +0100)
commit02ca527ac5581cf56749db9fd03d854e842253dd
tree7583b6174f943f876cffb6051295f0e2bfc00481tree | snapshot
parent58ebb1c8b35a8ef38cd6927431e0fa7b173a632dcommit | diff
tcp: Fix a data-race around sysctl_tcp_app_win.

While reading sysctl_tcp_app_win, 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_input.c diff | blob | history
Domain: System / Kernel;