linux-kernel - [syzbot] kernel panic: stack is corrupted in __blk_flush

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-next>] [day] [month] [year] [list]

Message-ID: <00000000000095e1b405ed8a284a@google.com>
Date:   Tue, 15 Nov 2022 14:48:45 -0800
From:   syzbot <syzbot+fade8a8e2bdc29b3a90b@...kaller.appspotmail.com>
To:     broonie@...nel.org, catalin.marinas@....com,
        kaleshsingh@...gle.com, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, madvenka@...ux.microsoft.com,
        mark.rutland@....com, maz@...nel.org,
        syzkaller-bugs@...glegroups.com, will@...nel.org
Subject: [syzbot] kernel panic: stack is corrupted in __blk_flush_plug

Hello,

syzbot found the following issue on:

HEAD commit:    9e4ce762f0e7 Merge branches 'for-next/acpi', 'for-next/asm..
git tree:       git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci
console output: https://syzkaller.appspot.com/x/log.txt?x=1502ad35880000
kernel config:  https://syzkaller.appspot.com/x/.config?x=20ffacc1ce1c99b5
dashboard link: https://syzkaller.appspot.com/bug?extid=fade8a8e2bdc29b3a90b
compiler:       Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2
userspace arch: arm64
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=14f33159880000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=13e33ef1880000

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/a70eb29add74/disk-9e4ce762.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/769d096516a8/vmlinux-9e4ce762.xz
kernel image: https://storage.googleapis.com/syzbot-assets/9309615f51d5/Image-9e4ce762.gz.xz
mounted in repro: https://storage.googleapis.com/syzbot-assets/0332fee8ec34/mount_0.gz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+fade8a8e2bdc29b3a90b@...kaller.appspotmail.com

loop0: detected capacity change from 0 to 8226
ntfs3: loop0: Mark volume as dirty due to NTFS errors
ntfs3: loop0: Failed to load $Extend.
Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: __blk_flush_plug+0x1a4/0x1a4
CPU: 0 PID: 4370 Comm: syz-executor220 Not tainted 6.1.0-rc5-syzkaller-32254-g9e4ce762f0e7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022
Call trace:
 dump_backtrace+0x1c4/0x1f0 arch/arm64/kernel/stacktrace.c:156
 show_stack+0x2c/0x54 arch/arm64/kernel/stacktrace.c:163
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x104/0x16c lib/dump_stack.c:106
 dump_stack+0x1c/0x58 lib/dump_stack.c:113
 panic+0x218/0x508 kernel/panic.c:274
 warn_bogus_irq_restore+0x0/0x40 kernel/panic.c:703
 blk_finish_plug+0x0/0x54
SMP: stopping secondary CPUs
Kernel Offset: disabled
CPU features: 0x00000,040e0108,4c017203
Memory Limit: none
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.
syzbot can test patches for this issue, for details see:
https://goo.gl/tpsmEJ#testing-patches