Re: [syzbot] Re: [syzbot] [kernel?] possible deadlock in stack_depot_put

From: syzbot
Date: Sun Dec 03 2023 - 08:17:36 EST


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Subject: Re: [syzbot] [kernel?] possible deadlock in stack_depot_put
Author: penguin-kernel@xxxxxxxxxxxxxxxxxxx

On 2023/11/26 6:07, syzbot wrote:
> refcount_t: underflow; use-after-free.

#syz set subsystems: kasan

By the way, shouldn't pool_rwlock section be guarded by printk_deferred_enter() ?