linux-kernel - Re: [syzbot] [usb?] [kernfs?] INFO: task hung in kernfs_add

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Message-ID: <67be8609.050a0220.38b081.0000.GAE@google.com>
Date: Tue, 25 Feb 2025 19:10:01 -0800
From: syzbot <syzbot+e4804edf2708e8b7d2a5@...kaller.appspotmail.com>
To: gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org, 
	linux-usb@...r.kernel.org, stern@...land.harvard.edu, 
	syzkaller-bugs@...glegroups.com, tj@...nel.org
Subject: Re: [syzbot] [usb?] [kernfs?] INFO: task hung in kernfs_add_one

syzbot suspects this issue was fixed by commit:

commit 5189df7b8088268012882c220d6aca4e64981348
Author: Alan Stern <stern@...land.harvard.edu>
Date:   Wed Oct 16 15:44:45 2024 +0000

    USB: gadget: dummy-hcd: Fix "task hung" problem

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=17ceffdf980000
start commit:   2ccbdf43d5e7 Merge tag 'for-linus' of git://git.kernel.org..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=fa0ce06dcc735711
dashboard link: https://syzkaller.appspot.com/bug?extid=e4804edf2708e8b7d2a5
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=16ea2012980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=12ba6851980000

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

#syz fix: USB: gadget: dummy-hcd: Fix "task hung" problem

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