linux-kernel - Re: [syzbot] [usb?] INFO: rcu detected stall in __mod

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <0000000000001dc6ed062153467b@google.com>
Date: Wed, 04 Sep 2024 16:10:02 -0700
From: syzbot <syzbot+ab28cee83cdcfd7f87ca@...kaller.appspotmail.com>
To: gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org, 
	linux-usb@...r.kernel.org, rafael@...nel.org, stern@...land.harvard.edu, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [usb?] INFO: rcu detected stall in __mod_timer (5)

syzbot suspects this issue was fixed by commit:

commit 22f00812862564b314784167a89f27b444f82a46
Author: Alan Stern <stern@...land.harvard.edu>
Date:   Fri Jun 14 01:30:43 2024 +0000

    USB: class: cdc-wdm: Fix CPU lockup caused by excessive log messages

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=14eb4cab980000
start commit:   e0cce98fe279 Merge tag 'tpmdd-next-6.10-rc2' of git://git...
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=b9016f104992d69c
dashboard link: https://syzkaller.appspot.com/bug?extid=ab28cee83cdcfd7f87ca
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=126531d6980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=12b27be6980000

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

#syz fix: USB: class: cdc-wdm: Fix CPU lockup caused by excessive log messages

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