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From: Christian Brauner <brauner@kernel.org>
To: syzbot <syzbot+450a6d7e0a2db0d8326a@syzkaller.appspotmail.com>
Cc: adilger.kernel@dilger.ca, jlayton@kernel.org,
	linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com,
	tytso@mit.edu, viro@zeniv.linux.org.uk
Subject: Re: [syzbot] [ext4?] WARNING in setattr_copy
Date: Mon, 18 Sep 2023 12:50:13 +0200	[thread overview]
Message-ID: <20230918-adrenalin-extra-64562065d07b@brauner> (raw)
In-Reply-To: <00000000000033d44706057458b3@google.com>

On Fri, Sep 15, 2023 at 11:51:54PM -0700, syzbot wrote:
> Hello,
> 
> syzbot found the following issue on:
> 
> HEAD commit:    3c13c772fc23 Add linux-next specific files for 20230912
> git tree:       linux-next
> console+strace: https://syzkaller.appspot.com/x/log.txt?x=15b02b0c680000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=f7149cbda1664bc5
> dashboard link: https://syzkaller.appspot.com/bug?extid=450a6d7e0a2db0d8326a
> 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=155b32b4680000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=12cf6028680000
> 
> Downloadable assets:
> disk image: https://storage.googleapis.com/syzbot-assets/eb6fbc71f83a/disk-3c13c772.raw.xz
> vmlinux: https://storage.googleapis.com/syzbot-assets/2d671ade67d9/vmlinux-3c13c772.xz
> kernel image: https://storage.googleapis.com/syzbot-assets/b2b7190a3a61/bzImage-3c13c772.xz
> 
> The issue was bisected to:
> 
> commit d6f106662147d78e9a439608e8deac7d046ca0fa
> Author: Jeff Layton <jlayton@kernel.org>
> Date:   Wed Aug 30 18:28:43 2023 +0000
> 
>     fs: have setattr_copy handle multigrain timestamps appropriately
> 
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1419f8d8680000
> final oops:     https://syzkaller.appspot.com/x/report.txt?x=1619f8d8680000
> console output: https://syzkaller.appspot.com/x/log.txt?x=1219f8d8680000
> 
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: syzbot+450a6d7e0a2db0d8326a@syzkaller.appspotmail.com
> Fixes: d6f106662147 ("fs: have setattr_copy handle multigrain timestamps appropriately")

#syz unset subsystems: ext4
#syz set subsystems: overlayfs

  parent reply	other threads:[~2023-09-18 10:51 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-09-16  6:51 [syzbot] [ext4?] WARNING in setattr_copy syzbot
2023-09-18 10:47 ` Christian Brauner
2023-09-18 11:10   ` [syzbot] [overlayfs] " syzbot
2023-09-18 10:50 ` Christian Brauner [this message]
2023-09-18 10:50   ` [syzbot] [ext4?] " syzbot

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