[syzbot] [erofs?] general protection fault in erofs_bread (2)

[Gao Xiang]

On 2023/5/18 10:35, syzbot wrote:
> Hello,
> 
> syzbot found the following issue on:
> 
> HEAD commit:    f1fcbaa18b28 Linux 6.4-rc2
> git tree:       upstream
> console+strace: https://syzkaller.appspot.com/x/log.txt?x=114aa029280000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=6beb6ffe4f59ef2a
> dashboard link: https://syzkaller.appspot.com/bug?extid=bbb353775d51424087f2
> compiler:       gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=13dd834e280000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=167ef106280000
> 
> Downloadable assets:
> disk image: https://storage.googleapis.com/syzbot-assets/4adf207e9d5e/disk-f1fcbaa1.raw.xz
> vmlinux: https://storage.googleapis.com/syzbot-assets/9e7cce92f611/vmlinux-f1fcbaa1.xz
> kernel image: https://storage.googleapis.com/syzbot-assets/cfd911b80f89/bzImage-f1fcbaa1.xz
> mounted in repro: https://storage.googleapis.com/syzbot-assets/a2583fbaaf14/mount_2.gz
> 
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: syzbot+bbb353775d51424087f2 at syzkaller.appspotmail.com

#syz test: git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git fixes