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(parent: 98ea337) | 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)
commit668627739f27a3fbb644b5f0b9003184946e00f1
treee6104b9dd2abbf36410004acaa76ac395900ce47tree | snapshot
parent98ea337bdb348d21777747e9bb9883b5e70cec39commit | diff
ipv4: Fix data-races around sysctl_fib_notify_on_flag_change.

[ Upstream commit 95980e9f004abf47f6bd3c4c2864ed72c5f3b469 ]

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

Fixes: 1d4352c9675c ("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
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