Re: [syzbot] [fs?] KASAN: slab-use-after-free Read in debugfs_u32_get (2)

From: syzbot

Date: Thu Jun 18 2026 - 09:42:54 EST


Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-by: syzbot+6c25f4750230faf70be9@xxxxxxxxxxxxxxxxxxxxxxxxx
Tested-by: syzbot+6c25f4750230faf70be9@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit: e771677c Merge tag 'for-linus-iommufd' of git://git.ke..
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
console output: https://syzkaller.appspot.com/x/log.txt?x=14ce93b6580000
kernel config: https://syzkaller.appspot.com/x/.config?x=ea349aa18d06ec5e
dashboard link: https://syzkaller.appspot.com/bug?extid=6c25f4750230faf70be9
compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44
patch: https://syzkaller.appspot.com/x/patch.diff?x=110e93b6580000

Note: testing is done by a robot and is best-effort only.