linux-kernel - Re: [syzbot] [usb?] [media?] WARNING in media_create_pad

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Message-ID: <69152a0e.a70a0220.3124cb.000f.GAE@google.com>
Date: Wed, 12 Nov 2025 16:45:02 -0800
From: syzbot <syzbot+701fc9cc0cb44e2b0fe9@...kaller.appspotmail.com>
To: cascardo@...lia.com, gshahrouzi@...il.com, hansg@...nel.org, 
	hdegoede@...hat.com, hverkuil+cisco@...nel.org, 
	kernelmentees@...ts.linuxfoundation.org, laurent.pinchart@...asonboard.com, 
	linux-kernel@...r.kernel.org, linux-media@...r.kernel.org, 
	linux-usb@...r.kernel.org, mchehab@...nel.org, ribalda@...omium.org, 
	sakari.ailus@...ux.intel.com, skhan@...uxfoundation.org, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [usb?] [media?] WARNING in media_create_pad_link (2)

syzbot suspects this issue was fixed by commit:

commit 0e2ee70291e64a30fe36960c85294726d34a103e
Author: Thadeu Lima de Souza Cascardo <cascardo@...lia.com>
Date:   Wed Aug 20 16:08:16 2025 +0000

    media: uvcvideo: Mark invalid entities with id UVC_INVALID_ENTITY_ID

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=13f0f0b4580000
start commit:   07e27ad16399 Linux 6.17-rc7
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=4d8792ecb6308d0f
dashboard link: https://syzkaller.appspot.com/bug?extid=701fc9cc0cb44e2b0fe9
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=12e38142580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=12da427c580000

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

#syz fix: media: uvcvideo: Mark invalid entities with id UVC_INVALID_ENTITY_ID

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