syzbot suspects this issue was fixed by commit: commit d24396c5290ba8ab04ba505176874c4e04a2d53c Author: Rustam Kovhaev <rkovhaev@xxxxxxxxx> Date: Sun Nov 1 14:09:58 2020 +0000 reiserfs: add check for an invalid ih_entry_count bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=113a2d57500000 start commit: b3298500 Merge tag 'for-5.10/dm-fixes' of git://git.kernel.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=e49433cfed49b7d9 dashboard link: https://syzkaller.appspot.com/bug?extid=2b5c012223e37b7c2a88 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12ad719b500000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11193117500000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: reiserfs: add check for an invalid ih_entry_count For information about bisection process see: https://goo.gl/tpsmEJ#bisection