projects / linux.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 4fdf9bd) | 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)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 29 Jul 2022 15:25:13 +0000 (17:25 +0200)
commit87ceaa199a72c5856d49a030941fabcd5c3928d4
tree9c1a9bc2478f63b0b852fb505dcaf26994d1b46btree | snapshot
parent4fdf9bdb28835566d5648cd4c0200d37e4efa791commit | diff
ip: Fix a data-race around sysctl_ip_autobind_reuse.

[ Upstream commit 0db232765887d9807df8bcb7b6f29b2871539eab ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
net/ipv4/inet_connection_sock.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git