Re: [syzbot] [usb?] WARNING: refcount bug in hdm_disconnect

From: syzbot
Date: Mon Jun 16 2025 - 12:30:39 EST


Hello,

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

Reported-by: syzbot+d175ca7205b4f18390b1@xxxxxxxxxxxxxxxxxxxxxxxxx
Tested-by: syzbot+d175ca7205b4f18390b1@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit: e04c78d8 Linux 6.16-rc2
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
console output: https://syzkaller.appspot.com/x/log.txt?x=12d1e90c580000
kernel config: https://syzkaller.appspot.com/x/.config?x=d0bf3fa2eaaa1809
dashboard link: https://syzkaller.appspot.com/bug?extid=d175ca7205b4f18390b1
compiler: arm-linux-gnueabi-gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
userspace arch: arm
patch: https://syzkaller.appspot.com/x/patch.diff?x=14edee82580000

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