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(parent: 1a63cb9) | patch
tcp: Fix a data-race around sysctl_tcp_stdurg.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Mon, 18 Jul 2022 17:26:50 +0000 (10:26 -0700)
committerDavid S. Miller <davem@davemloft.net>
Wed, 20 Jul 2022 09:14:50 +0000 (10:14 +0100)
commit4e08ed41cb1194009fc1a916a59ce3ed4afd77cd
tree44c348bc05215a783ea2b158b3d45acb2691b71ctree | snapshot
parent1a63cb91f0c2fcdeced6d6edee8d1d886583d139commit | diff
tcp: Fix a data-race around sysctl_tcp_stdurg.

While reading sysctl_tcp_stdurg, 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;