linux-kernel - [syzbot] usb-testing boot error: kernel panic: corrupted stack end in call_usermodehelper_exec

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>] [day] [month] [year] [list]

Message-ID: <00000000000081a9cc05e6d9bb84@google.com>
Date:   Mon, 22 Aug 2022 12:48:31 -0700
From:   syzbot <syzbot+0d36a7d5e61d057c150d@...kaller.appspotmail.com>
To:     brauner@...nel.org, ebiederm@...ssion.com, keescook@...omium.org,
        linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
        syzkaller-bugs@...glegroups.com
Subject: [syzbot] usb-testing boot error: kernel panic: corrupted stack end in call_usermodehelper_exec_async

Hello,

syzbot found the following issue on:

HEAD commit:    ad57410d231d usb: gadget: rndis: use %u instead of %d to p..
git tree:       https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
console output: https://syzkaller.appspot.com/x/log.txt?x=1294c603080000
kernel config:  https://syzkaller.appspot.com/x/.config?x=3cb39b084894e9a5
dashboard link: https://syzkaller.appspot.com/bug?extid=0d36a7d5e61d057c150d
compiler:       gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+0d36a7d5e61d057c150d@...kaller.appspotmail.com

Kernel panic - not syncing: corrupted stack end detected inside scheduler
CPU: 0 PID: 243 Comm: kworker/u4:1 Not tainted 6.0.0-rc1-syzkaller-00005-gad57410d231d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
 panic+0x2c8/0x627 kernel/panic.c:274
 schedule_debug kernel/sched/core.c:5737 [inline]
 __schedule+0x26dd/0x26f0 kernel/sched/core.c:6388
 do_task_dead+0xd1/0x100 kernel/sched/core.c:6512
 do_exit+0x18bd/0x2930 kernel/exit.c:847
 call_usermodehelper_exec_async+0x418/0x580 kernel/umh.c:125
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>
Kernel Offset: disabled
Rebooting in 86400 seconds..

---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzkaller@...glegroups.com.

syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.