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

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: <000000000000d61bb8061e89caa5@google.com>
Date: Wed, 31 Jul 2024 04:57:02 -0700
From: syzbot <syzbot+1acbadd9f48eeeacda29@...kaller.appspotmail.com>
To: akpm@...ux-foundation.org, brauner@...nel.org, davem@...emloft.net, 
	dvyukov@...gle.com, elver@...gle.com, glider@...gle.com, 
	gregkh@...uxfoundation.org, hdanton@...a.com, jhs@...atatu.com, 
	kasan-dev@...glegroups.com, keescook@...omium.org, kuba@...nel.org, 
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-mm@...ck.org, linux-usb@...r.kernel.org, luyun@...inos.cn, 
	netdev@...r.kernel.org, pctammela@...atatu.com, rafael@...nel.org, 
	stern@...land.harvard.edu, syzkaller-bugs@...glegroups.com, 
	victor@...atatu.com, vinicius.gomes@...el.com, viro@...iv.linux.org.uk, 
	vladimir.oltean@....com
Subject: Re: [syzbot] [usb?] INFO: rcu detected stall in __run_timer_base

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=14f906bd980000
start commit:   89be4025b0db Merge tag '6.10-rc1-smb3-client-fixes' of git..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=b9016f104992d69c
dashboard link: https://syzkaller.appspot.com/bug?extid=1acbadd9f48eeeacda29
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=145ed3fc980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=11c1541c980000

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