Re: [syzbot] [mm?] kernel BUG in collapse_scan_file

From: David Hildenbrand (Arm)

Date: Thu Mar 19 2026 - 03:23:03 EST


On 3/19/26 08:20, syzbot wrote:
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit: 95c541ddfb08 Add linux-next specific files for 20260316
> git tree: linux-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=15ccc216580000
> kernel config: https://syzkaller.appspot.com/x/.config?x=ed431987028345c6
> dashboard link: https://syzkaller.appspot.com/bug?extid=8961cb270ae74b4129fb
> compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12f778da580000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12cc006a580000
>
> Downloadable assets:
> disk image: https://storage.googleapis.com/syzbot-assets/c40f27ad73d8/disk-95c541dd.raw.xz
> vmlinux: https://storage.googleapis.com/syzbot-assets/bd811888f684/vmlinux-95c541dd.xz
> kernel image: https://storage.googleapis.com/syzbot-assets/3b72363d7dbd/bzImage-95c541dd.xz
>
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: syzbot+8961cb270ae74b4129fb@xxxxxxxxxxxxxxxxxxxxxxxxx

@Nico, maybe related to your changes?
--
Cheers,

David