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(parent: 289d3b2) | patch
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)
commit0db232765887d9807df8bcb7b6f29b2871539eab
treeab23f608a873cad2c722cc7da33299261f159247tree | snapshot
parent289d3b21fb0bfc94c4e98f10635bba1824e5f83ccommit | diff
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: 4b01a9674231 ("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 diff | blob | history
Domain: System / Kernel;