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crypto: engine - check if BH is disabled during completion

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[ Upstream commit 4058cf0894 ]

When doing iperf over ipsec with crypto hardware sun8i-ce, I hit some
spinlock recursion bug.

This is due to completion function called with enabled BH.

Add check a to detect this.

Fixes: 735d37b542 ("crypto: engine - Introduce the block request crypto engine framework")
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Stable-dep-of: 4140aafcff ("crypto: engine - fix crypto_queue backlog handling")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Corentin Labbe 2022-02-21 12:08:33 +00:00 • committed by Justin Hammond
parent 1d39db4197
commit e3b20588d0
1 changed files with 1 additions and 0 deletions
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1
crypto/crypto_engine.c
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@ -53,6 +53,7 @@ static void crypto_finalize_request(struct crypto_engine *engine,
dev_err(engine->dev, "failed to unprepare request\n");
}
}
lockdep_assert_in_softirq();
req->complete(req, err);
kthread_queue_work(engine->kworker, &engine->pump_requests);