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(parent: e73009e) | patch
ratelimit: Fix data-races in ___ratelimit().
authorKuniyuki Iwashima <kuniyu@amazon.com>
Tue, 23 Aug 2022 17:46:48 +0000 (10:46 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 31 Aug 2022 15:15:20 +0000 (17:15 +0200)
commit4d4e39245dd58bb36f57f9b48a142b20d291c605
tree2351590e859e2a54c60d130f8c45057518b9004ctree | snapshot
parente73009ebc1233e447ae6503da51c402e4ed7ca4bcommit | diff
ratelimit: Fix data-races in ___ratelimit().

[ Upstream commit 6bae8ceb90ba76cdba39496db936164fa672b9be ]

While reading rs->interval and rs->burst, they can be changed
concurrently via sysctl (e.g. net_ratelimit_state).  Thus, we
need to add READ_ONCE() to their readers.

Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
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>
lib/ratelimit.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git