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Date: Fri, 20 Nov 2020 11:34:51 +0800 From: qiang.zhang@...driver.com To: akpm@...ux-foundation.org Cc: paulmck@...nel.org, aryabinin@...tuozzo.com, glider@...gle.com, walter-zh.wu@...iatek.com, linux-kernel@...r.kernel.org, linux-mm@...ck.org Subject: [PATCH v2] rcu: kasan: record and print kvfree_call_rcu call stack From: Zqiang <qiang.zhang@...driver.com> Add kasan_record_aux_stack function for kvfree_call_rcu function to record call stacks. Cc: Walter Wu <walter-zh.wu@...iatek.com> Cc: Andrey Ryabinin <aryabinin@...tuozzo.com> Cc: Alexander Potapenko <glider@...gle.com> Cc: "Paul E. McKenney" <paulmck@...nel.org> Signed-off-by: Zqiang <qiang.zhang@...driver.com> --- v1->v2: Add Cc tags. 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
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