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(parent: eaccca7) | patch
ipv4: Fix data-races around sysctl_fib_notify_on_flag_change.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Fri, 22 Jul 2022 18:22:05 +0000 (11:22 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 3 Aug 2022 10:03:52 +0000 (12:03 +0200)
commit4685f16b3a5d16bc515524eeb0ed8b692a929854
treee6104b9dd2abbf36410004acaa76ac395900ce47tree | snapshot
parenteaccca7a0bb8770d2683e817ae6d72dad2b3d5d5commit | diff
ipv4: Fix data-races around sysctl_fib_notify_on_flag_change.

[ Upstream commit 96b9bd8c6d125490f9adfb57d387ef81a55a103e ]

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

Fixes: 680aea08e78c ("net: ipv4: Emit notification when fib hardware flags are changed")
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/fib_trie.c diff | blob | history
Domain: System / Kernel;