Re: [syzbot] Re: [syzbot] [fs?] WARNING: ODEBUG bug in bdev_super_lock

From: syzbot
Date: Thu Mar 28 2024 - 13:54:15 EST


For archival purposes, forwarding an incoming command email to
linux-kernel@xxxxxxxxxxxxxxx, syzkaller-bugs@xxxxxxxxxxxxxxxx.

***

Subject: Re: [syzbot] [fs?] WARNING: ODEBUG bug in bdev_super_lock
Author: brauner@xxxxxxxxxx

On Thu, Mar 28, 2024 at 07:20:29AM -0700, syzbot wrote:
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit: fe46a7dd189e Merge tag 'sound-6.9-rc1' of git://git.kernel..
> git tree: upstream
> console+strace: https://syzkaller.appspot.com/x/log.txt?x=17d1c4f9180000
> kernel config: https://syzkaller.appspot.com/x/.config?x=fe78468a74fdc3b7
> dashboard link: https://syzkaller.appspot.com/bug?extid=9c0a93c676799fdf466c
> compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16577eb1180000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=106fa941180000
>
> Downloadable assets:
> disk image: https://storage.googleapis.com/syzbot-assets/0f7abe4afac7/disk-fe46a7dd.raw.xz
> vmlinux: https://storage.googleapis.com/syzbot-assets/82598d09246c/vmlinux-fe46a7dd.xz
> kernel image: https://storage.googleapis.com/syzbot-assets/efa23788c875/bzImage-fe46a7dd.xz
>
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: syzbot+9c0a93c676799fdf466c@xxxxxxxxxxxxxxxxxxxxxxxxx

#syz test: https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git vfs.fixes