linux-kernel - Re: [syzbot] Re: [syzbot] [kernel?] possible deadlock in stack_depot

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Message-ID: <000000000000f56750060b9ad216@google.com>
Date:   Sun, 03 Dec 2023 05:17:32 -0800
From:   syzbot <syzbot+186b55175d8360728234@...kaller.appspotmail.com>
To:     linux-kernel@...r.kernel.org
Subject: Re: [syzbot] Re: [syzbot] [kernel?] possible deadlock in stack_depot_put

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Subject: Re: [syzbot] [kernel?] possible deadlock in stack_depot_put
Author: penguin-kernel@...ove.sakura.ne.jp

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() ?