From: David Sterba <dsterba@suse.cz>
To: syzbot <syzbot+9992306148b06272f3bb@syzkaller.appspotmail.com>
Cc: clm@fb.com, dsterba@suse.com, josef@toxicpanda.com,
linux-btrfs@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [btrfs?] WARNING in emit_fiemap_extent
Date: Thu, 16 May 2024 17:08:27 +0200 [thread overview]
Message-ID: <20240516150827.GA4449@twin.jikos.cz> (raw)
In-Reply-To: <00000000000091164305fe966bdd@google.com>
On Tue, Jun 20, 2023 at 02:34:46PM -0700, syzbot wrote:
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit: 40f71e7cd3c6 Merge tag 'net-6.4-rc7' of git://git.kernel.o..
> git tree: upstream
> console+strace: https://syzkaller.appspot.com/x/log.txt?x=166d2acf280000
> kernel config: https://syzkaller.appspot.com/x/.config?x=7ff8f87c7ab0e04e
> dashboard link: https://syzkaller.appspot.com/bug?extid=9992306148b06272f3bb
> compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10c65e87280000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1094a78b280000
>
> Downloadable assets:
> disk image: https://storage.googleapis.com/syzbot-assets/2dc89d5fee38/disk-40f71e7c.raw.xz
> vmlinux: https://storage.googleapis.com/syzbot-assets/0ced5a475218/vmlinux-40f71e7c.xz
> kernel image: https://storage.googleapis.com/syzbot-assets/d543a4f69684/bzImage-40f71e7c.xz
> mounted in repro: https://storage.googleapis.com/syzbot-assets/7cde8d2312ae/mount_0.gz
>
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: syzbot+9992306148b06272f3bb@syzkaller.appspotmail.com
>
> ------------[ cut here ]------------
> WARNING: CPU: 1 PID: 5351 at fs/btrfs/extent_io.c:2824 emit_fiemap_extent+0xee/0x410
#syz fix: btrfs: fix race between ordered extent completion and fiemap
prev parent reply other threads:[~2024-05-16 15:08 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-20 21:34 [syzbot] [btrfs?] WARNING in emit_fiemap_extent syzbot
2023-06-21 12:33 ` David Sterba
2023-07-29 21:45 ` syzbot
2023-08-02 14:46 ` Aleksandr Nogikh
2024-05-16 15:04 ` David Sterba
2024-05-16 15:08 ` David Sterba [this message]
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