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Message-ID: <20240516155522.GG4449@suse.cz>
Date: Thu, 16 May 2024 17:55:22 +0200
From: David Sterba <dsterba@...e.cz>
To: syzbot <syzbot+5244d35be7f589cf093e@...kaller.appspotmail.com>
Cc: clm@...com, dsterba@...e.com, josef@...icpanda.com,
	linux-btrfs@...r.kernel.org, linux-kernel@...r.kernel.org,
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] WARNING in btrfs_fileattr_set

On Thu, Sep 29, 2022 at 01:41:46PM -0700, syzbot wrote:
> Hello,
> 
> syzbot found the following issue on:
> 
> HEAD commit:    49c13ed0316d Merge tag 'soc-fixes-6.0-rc7' of git://git.ke..
> git tree:       upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=129847ff080000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=ba0d23aa7e1ffaf5
> dashboard link: https://syzkaller.appspot.com/bug?extid=5244d35be7f589cf093e
> compiler:       Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2
> 
> Unfortunately, I don't have any reproducer for this issue yet.
> 
> Downloadable assets:
> disk image: https://storage.googleapis.com/syzbot-assets/418654aab051/disk-49c13ed0.raw.xz
> vmlinux: https://storage.googleapis.com/syzbot-assets/49c501fc7ae3/vmlinux-49c13ed0.xz
> 
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: syzbot+5244d35be7f589cf093e@...kaller.appspotmail.com
> 
> WARNING: CPU: 0 PID: 29090 at fs/btrfs/ioctl.c:367 btrfs_fileattr_set+0xae4/0xbd0 fs/btrfs/ioctl.c:367

That was an injected ENOMEM that then hit a transaction abort, we used
to print a full trace on that but it's been silenced.

#syz fix: btrfs: don't print stack trace when transaction is aborted due to ENOMEM

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