]> git.baikalelectronics.ru Git - kernel.git/commit
ip: Fix a data-race around sysctl_ip_autobind_reuse.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Wed, 13 Jul 2022 20:51:56 +0000 (13:51 -0700)
committerDavid S. Miller <davem@davemloft.net>
Fri, 15 Jul 2022 10:49:55 +0000 (11:49 +0100)
commite563025c280d78bbb76fd23f71d398d1202319fe
treeab23f608a873cad2c722cc7da33299261f159247
parente3e89745b99bfd58d74d89a20dfe62120fa41c21
ip: Fix a data-race around sysctl_ip_autobind_reuse.

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

Fixes: f3f5e4293ace ("tcp: bind(0) remove the SO_REUSEADDR restriction when ephemeral ports are exhausted.")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv4/inet_connection_sock.c