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

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Message-ID: <20250720233037.2567-1-hdanton@sina.com>
Date: Mon, 21 Jul 2025 07:30:34 +0800
From: Hillf Danton <hdanton@...a.com>
To: syzbot <syzbot+4bb2305559463e8f6a2a@...kaller.appspotmail.com>
Cc: Thomas Hellström <thomas.hellstrom@...ux.intel.com>,
	linux-kernel@...r.kernel.org,
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [kernfs?] possible deadlock in kernfs_iop_getattr

> Date: Thu, 10 Apr 2025 13:33:29 -0700	[thread overview]
> syzbot has found a reproducer for the following issue on:
> 
> HEAD commit:    2eb959eeecc6 Merge tag 'for-linus-6.15a-rc2-tag' of git://..
> git tree:       upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=16fdf23f980000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=4c918722cb7e3d7
> dashboard link: https://syzkaller.appspot.com/bug?extid=4bb2305559463e8f6a2a
> compiler:       gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1352b7e4580000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=17499d78580000

#syz test  upstream  master