Re: [syzbot] [fs?] KASAN: slab-use-after-free Write in config_item_put

From: syzbot

Date: Fri Oct 23 2026 - 16:53:15 EST


Hello,

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

Reported-by: syzbot+63336d70e1af377d7388@xxxxxxxxxxxxxxxxxxxxxxxxx
Tested-by: syzbot+63336d70e1af377d7388@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit: 7a78f7ba Merge tag 'slab-for-7.4' of git://git.kernel...
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=151b9fcd580000
kernel config: https://syzkaller.appspot.com/x/.config?x=3fcda6efffd40725
dashboard link: https://syzkaller.appspot.com/bug?extid=63336d70e1af377d7388
compiler: Debian clang version 22.1.8 (1~deb13u4), Debian LLD 22.1.8
patch: https://syzkaller.appspot.com/x/patch.diff?x=12fc3c3c580000

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