Re: [syzbot] [bcachefs?] [kernfs?] UBSAN: shift-out-of-bounds in radix_tree_delete_item

syzbot
2025-03-19T09:40:04Z

syzbot suspects this issue was fixed by commit:

commit 3a04334d6282d08fbdd6201e374db17d31927ba3
Author: Alan Huang <mmpgouride@gmail.com>
Date: Fri Mar 7 16:58:27 2025 +0000

bcachefs: Fix b->written overflow

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=176e8e98580000
start commit: 09fbf3d50205 Merge tag 'tomoyo-pr-20250211' of git://git.c..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=c516b1c112a81e77
dashboard link: https://syzkaller.appspot.com/bug?extid=b581c7106aa616bb522c
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11e449b0580000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: bcachefs: Fix b->written overflow

For information about bisection process see: https://goo.gl/tpsmEJ#bisection