| 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
| ||
|
Message-ID: <20210602054001.GB9163@xsang-OptiPlex-9020>
Date: Wed, 2 Jun 2021 13:40:01 +0800
From: kernel test robot <oliver.sang@...el.com>
To: Hannes Reinecke <hare@...e.de>
Cc: 0day robot <lkp@...el.com>, LKML <linux-kernel@...r.kernel.org>,
lkp@...ts.01.org, Jens Axboe <axboe@...nel.dk>,
Christoph Hellwig <hch@....de>, linux-block@...r.kernel.org,
Hannes Reinecke <hare@...e.de>
Subject: [block/genhd] 8107f5f540: WARNING:bad_unlock_balance_detected
Greeting,
FYI, we noticed the following commit (built with gcc-9):
commit: 8107f5f540ff2700d9b300343ccbd3368970cf40 ("[PATCH] block/genhd: use atomic_t for disk_event->block")
url: https://github.com/0day-ci/linux/commits/Hannes-Reinecke/block-genhd-use-atomic_t-for-disk_event-block/20210601-190226
base: https://git.kernel.org/cgit/linux/kernel/git/axboe/linux-block.git for-next
in testcase: boot
on test machine: qemu-system-i386 -enable-kvm -cpu SandyBridge -smp 2 -m 4G
caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
+-----------------------------------------------+------------+------------+
| | 3fc19ec343 | 8107f5f540 |
+-----------------------------------------------+------------+------------+
| boot_successes | 10 | 0 |
| boot_failures | 0 | 6 |
| WARNING:bad_unlock_balance_detected | 0 | 6 |
| is_trying_to_release_lock(&ev->block_mutex)at | 0 | 6 |
| calltrace:__disk_unblock_events | 0 | 6 |
+-----------------------------------------------+------------+------------+
If you fix the issue, kindly add following tag
Reported-by: kernel test robot <oliver.sang@...el.com>
[ 65.041606] WARNING: bad unlock balance detected!
[ 65.042098] 5.13.0-rc3-00039-g8107f5f540ff #1 Not tainted
[ 65.042660] -------------------------------------
[ 65.043157] kworker/u4:5/139 is trying to release lock (&ev->block_mutex) at:
[ 65.043913] __disk_unblock_events (kbuild/src/consumer/block/genhd.c:1477)
[ 65.044130] but there are no more locks to release!
[ 65.044130]
[ 65.044130] other info that might help us debug this:
[ 65.044130] 2 locks held by kworker/u4:5/139:
[ 65.044130] #0: 410078b8 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work (kbuild/src/consumer/kernel/workqueue.c:615 kbuild/src/consumer/kernel/workqueue.c:643 kbuild/src/consumer/kernel/workqueue.c:2246)
[ 65.044130] #1: 4264df34 ((work_completion)(&entry->work)){+.+.}-{0:0}, at: process_one_work (kbuild/src/consumer/kernel/workqueue.c:615 kbuild/src/consumer/kernel/workqueue.c:643 kbuild/src/consumer/kernel/workqueue.c:2246)
[ 65.044130]
[ 65.044130] stack backtrace:
[ 65.044130] CPU: 1 PID: 139 Comm: kworker/u4:5 Not tainted 5.13.0-rc3-00039-g8107f5f540ff #1
[ 65.044130] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 65.044130] Workqueue: events_unbound async_run_entry_fn
[ 65.044130] Call Trace:
[ 65.044130] ? dump_stack (kbuild/src/consumer/lib/dump_stack.c:122)
[ 65.044130] ? __disk_unblock_events (kbuild/src/consumer/block/genhd.c:1477)
[ 65.052205] ? print_unlock_imbalance_bug.cold (kbuild/src/consumer/kernel/locking/lockdep.c:4955 kbuild/src/consumer/kernel/locking/lockdep.c:4931)
[ 65.052205] ? __disk_unblock_events (kbuild/src/consumer/block/genhd.c:1477)
[ 65.052205] ? lock_release (kbuild/src/consumer/kernel/locking/lockdep.c:5192 kbuild/src/consumer/kernel/locking/lockdep.c:5532)
[ 65.052205] ? __mutex_unlock_slowpath (kbuild/src/consumer/arch/x86/include/asm/atomic.h:29 kbuild/src/consumer/include/asm-generic/atomic-instrumented.h:28 kbuild/src/consumer/include/asm-generic/atomic-long.h:523 kbuild/src/consumer/kernel/locking/mutex.c:1238)
[ 65.052205] ? mutex_unlock (kbuild/src/consumer/kernel/locking/mutex.c:741)
[ 65.052205] ? __disk_unblock_events (kbuild/src/consumer/block/genhd.c:1477)
[ 65.052205] ? __device_add_disk (kbuild/src/consumer/block/genhd.c:565)
[ 65.052205] ? device_add_disk (kbuild/src/consumer/block/genhd.c:572)
[ 65.052205] ? do_floppy_init (kbuild/src/consumer/drivers/block/floppy.c:4704)
[ 65.052205] ? ktime_get (kbuild/src/consumer/kernel/time/timekeeping.c:831)
[ 65.052205] ? floppy_async_init (kbuild/src/consumer/drivers/block/floppy.c:4742)
[ 65.052205] ? async_run_entry_fn (kbuild/src/consumer/kernel/async.c:134)
[ 65.052205] ? process_one_work (kbuild/src/consumer/arch/x86/include/asm/atomic.h:29 kbuild/src/consumer/include/asm-generic/atomic-instrumented.h:28 kbuild/src/consumer/include/linux/jump_label.h:254 kbuild/src/consumer/include/linux/jump_label.h:264 kbuild/src/consumer/include/trace/events/workqueue.h:108 kbuild/src/consumer/kernel/workqueue.c:2280)
[ 65.052205] ? worker_thread (kbuild/src/consumer/include/linux/list.h:282 kbuild/src/consumer/kernel/workqueue.c:2422)
[ 65.052205] ? kthread (kbuild/src/consumer/kernel/kthread.c:313)
[ 65.052205] ? process_one_work (kbuild/src/consumer/kernel/workqueue.c:2364)
[ 65.052205] ? kthread_create_worker_on_cpu (kbuild/src/consumer/kernel/kthread.c:266)
[ 65.052205] ? ret_from_fork (kbuild/src/consumer/arch/x86/entry/entry_32.S:775)
[ 65.066846] loop: module loaded
[ 65.078122] null_blk: module loaded
[ 65.078673] Silicon Labs C2 port support v. 0.51.0 - (C) 2007 Rodolfo Giometti
[ 65.079489] c2port c2port0: C2 port uc added
[ 65.079958] c2port c2port0: uc flash has 30 blocks x 512 bytes (15360 bytes total)
[ 65.081010] usbcore: registered new interface driver rtsx_usb
[ 65.082303] usbcore: registered new interface driver pn533_usb
[ 65.082978] usbcore: registered new interface driver nfcmrvl
[ 65.083597] NCI uart driver 'nfcmrvl_uart [0]' registered
[ 65.084302] Uniform Multi-Platform E-IDE driver
[ 65.085233] ide_generic: please use "probe_mask=0x3f" module parameter for probing all legacy ISA IDE ports
[ 65.086270] ide-cd driver 5.00
[ 65.087896] SSFDC read-only Flash Translation layer
[ 65.088484] mtdoops: mtd device (mtddev=name/number) must be supplied
[ 65.089317] platform physmap-flash.0: failed to claim resource 0: [mem 0x08000000-0x07ffffff]
[ 65.090255] SBC-GXx flash: IO:0x258-0x259 MEM:0xdc000-0xdffff
[ 65.090961] slram: not enough parameters.
[ 65.091621] Driver 'dfl-spi-altera' was unable to register with bus_type 'dfl' because the bus was not initialized.
[ 65.095780] wireguard: allowedips self-tests: pass
[ 65.113505] wireguard: nonce counter self-tests: pass
[ 65.691142] wireguard: ratelimiter self-tests: pass
[ 65.691780] wireguard: WireGuard 1.0.0 loaded. See www.wireguard.com for information.
[ 65.692614] wireguard: Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@...c4.com>. All Rights Reserved.
[ 65.693599] eql: Equalizer2002: Simon Janes (simon@....com) and David S. Miller (davem@...hat.com)
[ 65.694895] MACsec IEEE 802.1AE
[ 65.696576] libphy: Fixed MDIO Bus: probed
[ 65.698059] usbcore: registered new interface driver mvusb_mdio
[ 65.698765] tun: Universal TUN/TAP device driver, 1.6
[ 65.699721] e1000: Intel(R) PRO/1000 Network Driver
[ 65.700291] e1000: Copyright (c) 1999-2006 Intel Corporation.
[ 65.870690] ACPI: _SB_.LNKC: Enabled at IRQ 11
[ 66.238500] e1000 0000:00:03.0 eth0: (PCI:33MHz:32-bit) 52:54:00:12:34:56
[ 66.239265] e1000 0000:00:03.0 eth0: Intel(R) PRO/1000 Network Connection
[ 66.240099] mkiss: AX.25 Multikiss, Hans Albas PE1AYX
[ 66.240719] AX.25: 6pack driver, Revision: 0.3.0
[ 66.241245] AX.25: bpqether driver version 004
[ 66.241704] baycom_ser_fdx: (C) 1996-2000 Thomas Sailer, HB9JNX/AE4WA
[ 66.241704] baycom_ser_fdx: version 0.10
[ 66.243814] hdlcdrv: (C) 1996-2000 Thomas Sailer HB9JNX/AE4WA
[ 66.244511] hdlcdrv: version 0.8
[ 66.244882] baycom_ser_hdx: (C) 1996-2000 Thomas Sailer, HB9JNX/AE4WA
[ 66.244882] baycom_ser_hdx: version 0.10
[ 66.246962] baycom_par: (C) 1996-2000 Thomas Sailer, HB9JNX/AE4WA
[ 66.246962] baycom_par: version 0.9
[ 66.249490] PPP generic driver version 2.4.2
[ 66.250116] PPP BSD Compression module registered
[ 66.250727] PPP MPPE Compression module registered
[ 66.251273] hdlc: HDLC support module revision 1.22
[ 66.251874] airo(): Probing for PCI adapters
[ 66.252564] airo(): Finished probing for PCI adapters
[ 66.253144] usbcore: registered new interface driver usb8xxx
[ 66.253752] libertas_spi: Libertas SPI driver
[ 66.254320] usbcore: registered new interface driver zd1201
[ 66.255021] usbcore: registered new interface driver rndis_wlan
[ 66.255744] usbcore: registered new interface driver kaweth
[ 66.256395] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver
[ 66.257252] usbcore: registered new interface driver pegasus
[ 66.257925] usbcore: registered new interface driver rtl8150
[ 66.258615] usbcore: registered new interface driver r8152
[ 66.259237] hso: drivers/net/usb/hso.c: Option Wireless
[ 66.259929] usbcore: registered new interface driver hso
[ 66.260559] usbcore: registered new interface driver cdc_ether
[ 66.261214] usbcore: registered new interface driver cdc_eem
[ 66.261836] usbcore: registered new interface driver dm9601
To reproduce:
# build kernel
cd linux
cp config-5.13.0-rc3-00039-g8107f5f540ff .config
make HOSTCC=gcc-9 CC=gcc-9 ARCH=i386 olddefconfig prepare modules_prepare bzImage
git clone https://github.com/intel/lkp-tests.git
cd lkp-tests
bin/lkp qemu -k <bzImage> job-script # job-script is attached in this email
---
0DAY/LKP+ Test Infrastructure Open Source Technology Center
https://lists.01.org/hyperkitty/list/lkp@lists.01.org Intel Corporation
Thanks,
Oliver Sang
View attachment "config-5.13.0-rc3-00039-g8107f5f540ff" of type "text/plain" (158528 bytes)
View attachment "job-script" of type "text/plain" (4645 bytes)
Download attachment "dmesg.xz" of type "application/x-xz" (23612 bytes)
Powered by blists - more mailing lists