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

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Message-ID: <20240406071130.GB538574@ZenIV>
Date: Sat, 6 Apr 2024 08:11:30 +0100
From: Al Viro <viro@...iv.linux.org.uk>
To: syzbot <syzbot+9a5b0ced8b1bfb238b56@...kaller.appspotmail.com>
Cc: amir73il@...il.com, brauner@...nel.org, gregkh@...uxfoundation.org,
	hch@....de, jack@...e.cz, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org, miklos@...redi.hu,
	syzkaller-bugs@...glegroups.com, tj@...nel.org,
	valesini@...dex-team.ru
Subject: Re: [syzbot] [kernfs?] possible deadlock in kernfs_fop_llseek

On Sat, Apr 06, 2024 at 12:05:04AM -0700, syzbot wrote:

> commit:         3398bf34 kernfs: annotate different lockdep class for ..
> git tree:       https://github.com/amir73il/linux/ vfs-fixes
> kernel config:  https://syzkaller.appspot.com/x/.config?x=c5cda112a8438056
> dashboard link: https://syzkaller.appspot.com/bug?extid=9a5b0ced8b1bfb238b56
> compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
> 
> Note: no patches were applied.

How about the same test on 6c6e47d69d821047097909288b6d7f1aafb3b9b1?