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(parent: f5a0756) | 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>
Mon, 5 Sep 2022 08:25:04 +0000 (10:25 +0200)
commit4cf771176d558f164a67e131b9d3f59e8570df8f
tree7fde4442d2ba1b4e79e30f25609a33b0a9610b90tree | snapshot (tar.gz zip)
parentf5a07560d4c59f8dfb6ca9ba0a5351bb04e448d2commit | 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