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From: qiang.zhang@windriver.com
To: paulmck@kernel.org, josh@joshtriplett.org, rostedt@goodmis.org
Cc: joel@joelfernandes.org, rcu@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH] rcu: kasan: record and print kvfree_call_rcu call stack
Date: Wed, 18 Nov 2020 11:53:09 +0800	[thread overview]
Message-ID: <20201118035309.19144-1-qiang.zhang@windriver.com> (raw)

From: Zqiang <qiang.zhang@windriver.com>

Add kasan_record_aux_stack function for kvfree_call_rcu function to
record call stacks.

Signed-off-by: Zqiang <qiang.zhang@windriver.com>
---
 kernel/rcu/tree.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index da3414522285..a252b2f0208d 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -3506,7 +3506,7 @@ void kvfree_call_rcu(struct rcu_head *head, rcu_callback_t func)
 		success = true;
 		goto unlock_return;
 	}
-
+	kasan_record_aux_stack(ptr);
 	success = kvfree_call_rcu_add_ptr_to_bulk(krcp, ptr);
 	if (!success) {
 		run_page_cache_worker(krcp);
-- 
2.17.1


             reply	other threads:[~2020-11-18  3:53 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-18  3:53 qiang.zhang [this message]
2020-11-19 21:49 ` [PATCH] rcu: kasan: record and print kvfree_call_rcu call stack Paul E. McKenney
2020-11-20  8:51   ` Dmitry Vyukov
2020-11-20 14:34     ` Paul E. McKenney
2020-11-20 14:44       ` Dmitry Vyukov
2020-11-20 14:54         ` Paul E. McKenney
2020-11-20 14:45       ` Paul E. McKenney
2020-11-20 11:59   ` Uladzislau Rezki
2020-11-20 12:06     ` Dmitry Vyukov
2020-11-20 12:49       ` Uladzislau Rezki

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