From: Al Viro <viro@zeniv.linux.org.uk>
To: syzbot <syzbot+9a5b0ced8b1bfb238b56@syzkaller.appspotmail.com>
Cc: hdanton@sina.com, linux-kernel@vger.kernel.org,
syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [kernfs?] possible deadlock in kernfs_fop_llseek
Date: Sat, 6 Apr 2024 01:10:19 +0100 [thread overview]
Message-ID: <20240406001019.GV538574@ZenIV> (raw)
In-Reply-To: <000000000000a98dc7061561716f@google.com>
On Fri, Apr 05, 2024 at 04:02:03PM -0700, syzbot wrote:
> Hello,
>
> syzbot tried to test the proposed patch but the build/boot failed:
>
> failed to apply patch:
> checking file fs/overlayfs/util.c
> Hunk #1 FAILED at 639.
> 1 out of 1 hunk FAILED
Heh...
ed fs/kernfs/file.c <<'EOF'
/mutex_init/a
else if (file->f_mode & FMODE_WRITE)
mutex_init(&of->mutex);
.
w
q
EOF
(and if the bot is willing to apply that kind of patches, we have a security
problem on hands ;-)
next prev parent reply other threads:[~2024-04-06 0:10 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-03 18:23 [syzbot] [kernfs?] possible deadlock in kernfs_fop_llseek syzbot
2024-04-03 23:51 ` syzbot
2024-04-04 6:54 ` Amir Goldstein
2024-04-04 8:11 ` Al Viro
2024-04-04 8:21 ` Al Viro
2024-04-04 8:40 ` Al Viro
2024-04-04 9:33 ` Amir Goldstein
2024-04-04 22:01 ` Al Viro
2024-04-05 10:34 ` Amir Goldstein
2024-04-05 6:51 ` Christoph Hellwig
2024-04-05 11:19 ` Christian Brauner
2024-04-05 13:48 ` Christian Brauner
2024-04-05 14:52 ` Christoph Hellwig
2024-04-05 15:41 ` Tejun Heo
2024-04-06 3:54 ` Al Viro
2024-04-05 10:47 ` Christian Brauner
2024-04-05 14:48 ` Amir Goldstein
2024-04-06 4:09 ` Al Viro
2024-04-06 5:25 ` Amir Goldstein
2024-04-05 15:08 ` Amir Goldstein
2024-04-05 15:37 ` syzbot
2024-04-05 16:23 ` Al Viro
2024-04-06 5:34 ` Amir Goldstein
2024-04-06 7:05 ` syzbot
2024-04-06 7:11 ` Al Viro
2024-04-06 8:23 ` Hillf Danton
2024-04-07 0:48 ` Al Viro
2024-04-06 8:57 ` Amir Goldstein
2024-04-07 0:50 ` Al Viro
2024-04-07 11:02 ` Amir Goldstein
2024-04-09 9:18 ` Christian Brauner
2024-04-04 0:42 ` Hillf Danton
2024-04-04 1:08 ` syzbot
2024-04-04 2:12 ` Hillf Danton
2024-04-04 2:39 ` syzbot
2024-04-05 23:00 ` Hillf Danton
2024-04-05 23:02 ` syzbot
2024-04-06 0:10 ` Al Viro [this message]
2024-04-05 23:02 ` Hillf Danton
2024-04-06 0:34 ` syzbot
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