Re: [syzbot] [usb?] WARNING in usb_ep_enable

syzbot <[email protected]> Fri, 31 Jul 2026 15:55:01 -0700

Newsgroups	org.kernel.vger.linux-usb,org.kernel.vger.linux-kernel
Message-ID	<[email protected]>

syzbot has bisected this issue to:

commit 973a57891608a98e894db2887f278777f564de18
Author: Chris Wulff <[email protected]>
Date:   Thu Jul 25 01:04:20 2024 +0000

    usb: gadget: core: Check for unset descriptor

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=136cf5b9580000
start commit:   11028ab62899 Merge tag 'probes-fixes-v7.2-rc5' of git://gi..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=10ecf5b9580000
console output: https://syzkaller.appspot.com/x/log.txt?x=176cf5b9580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=cb17729fb04b1e3a
dashboard link: https://syzkaller.appspot.com/bug?extid=7b70c4a6021fd49c4151
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=13074aea580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=161271b9580000

Reported-by: [email protected]
Fixes: 973a57891608 ("usb: gadget: core: Check for unset descriptor")

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