[PATCH 5/5] crypto: engine: check if BH is disabled during completion
Corentin Labbe
clabbe at baylibre.com
Mon Feb 21 04:08:33 PST 2022
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: 735d37b5424b ("crypto: engine - Introduce the block request crypto engine framework")
Signed-off-by: Corentin Labbe <clabbe at baylibre.com>
---
crypto/crypto_engine.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/crypto/crypto_engine.c b/crypto/crypto_engine.c
index fb07da9920ee..6056a990c9f2 100644
--- a/crypto/crypto_engine.c
+++ b/crypto/crypto_engine.c
@@ -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);
--
2.34.1
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