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(parent: f6da226) | patch
igmp: Fix a data-race around sysctl_igmp_max_memberships.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Fri, 15 Jul 2022 17:17:42 +0000 (10:17 -0700)
committerDavid S. Miller <davem@davemloft.net>
Mon, 18 Jul 2022 11:21:53 +0000 (12:21 +0100)
commit6305d821e3b9b5379d348528e5b5faf316383bc2
tree872d6b66701028263564aefdfdaf7470d1f70a41tree | snapshot
parentf6da2267e71106474fbc0943dc24928b9cb79119commit | diff
igmp: Fix a data-race around sysctl_igmp_max_memberships.

While reading sysctl_igmp_max_memberships, 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/igmp.c diff | blob | history
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