linux-kernel - Re: [syzbot] [usb?] possible deadlock in assign

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Message-ID: <00000000000005da6a0620e8961e@google.com>
Date: Fri, 30 Aug 2024 08:53:01 -0700
From: syzbot <syzbot+e70e4c6f6eee43357ba7@...kaller.appspotmail.com>
To: akinobu.mita@...il.com, akpm@...ux-foundation.org, alinde@...gle.com, 
	dakr@...hat.com, glider@...gle.com, gregkh@...uxfoundation.org, 
	linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org, mcgrof@...nel.org, 
	rafael@...nel.org, russ.weight@...ux.dev, syzkaller-bugs@...glegroups.com, 
	torvalds@...ux-foundation.org
Subject: Re: [syzbot] [usb?] possible deadlock in assign_fw

syzbot has bisected this issue to:

commit 4d0e9df5e43dba52d38b251e3b909df8fa1110be
Author: Albert van der Linde <alinde@...gle.com>
Date:   Fri Oct 16 03:13:50 2020 +0000

    lib, uaccess: add failure injection to usercopy functions

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=132abd2b980000
start commit:   d5d547aa7b51 Merge tag 'random-6.11-rc6-for-linus' of git:..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=10aabd2b980000
console output: https://syzkaller.appspot.com/x/log.txt?x=172abd2b980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=d76559f775f44ba6
dashboard link: https://syzkaller.appspot.com/bug?extid=e70e4c6f6eee43357ba7
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=14ee2b7b980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=177c7b7b980000

Reported-by: syzbot+e70e4c6f6eee43357ba7@...kaller.appspotmail.com
Fixes: 4d0e9df5e43d ("lib, uaccess: add failure injection to usercopy functions")

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