Re: [syzbot] [block?] WARNING in bdev_file_open_by_dev

From: Christian Brauner
Date: Fri Feb 09 2024 - 17:41:09 EST


On Fri, Feb 09, 2024 at 10:08:27AM -0800, syzbot wrote:
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit: 445a555e0623 Add linux-next specific files for 20240209
> git tree: linux-next
> console+strace: https://syzkaller.appspot.com/x/log.txt?x=147c85b8180000
> kernel config: https://syzkaller.appspot.com/x/.config?x=85aa3388229f9ea9
> dashboard link: https://syzkaller.appspot.com/bug?extid=96f61f1ad84e33cee93e
> 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=178b1e20180000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=143db9f4180000
>
> Downloadable assets:
> disk image: https://storage.googleapis.com/syzbot-assets/9188bb84c998/disk-445a555e.raw.xz
> vmlinux: https://storage.googleapis.com/syzbot-assets/3ce0c98eabb2/vmlinux-445a555e.xz
> kernel image: https://storage.googleapis.com/syzbot-assets/ab801b1c1d6d/bzImage-445a555e.xz
>
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: syzbot+96f61f1ad84e33cee93e@xxxxxxxxxxxxxxxxxxxxxxxxx

#syz test: git@xxxxxxxxxx:brauner/linux.git vfs.super