Re: [syzbot] [usb?] KASAN: slab-use-after-free Write in usb_free_urb

From: syzbot

Date: Thu Sep 03 2026 - 06:07:27 EST


Hello,

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

Reported-by: syzbot+832ce9fa3face1b7d44d@xxxxxxxxxxxxxxxxxxxxxxxxx
Tested-by: syzbot+832ce9fa3face1b7d44d@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit: 940de590 Merge tag 'hardening-v7.3-rc2' of git://git.k..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=13da7c15580000
kernel config: https://syzkaller.appspot.com/x/.config?x=b454dc6b1b7acd30
dashboard link: https://syzkaller.appspot.com/bug?extid=832ce9fa3face1b7d44d
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
patch: https://syzkaller.appspot.com/x/patch.diff?x=15527c15580000

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