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Message-ID: <20170914042832.GB17166@yexl-desktop>
Date: Thu, 14 Sep 2017 12:28:32 +0800
From: kernel test robot <xiaolong.ye@...el.com>
To: Masami Hiramatsu <mhiramat@...nel.org>
Cc: Ingo Molnar <mingo@...nel.org>,
"Paul E . McKenney" <paulmck@...ux.vnet.ibm.com>,
Steven Rostedt <rostedt@...dmis.org>,
Masami Hiramatsu <mhiramat@...nel.org>,
linux-kernel@...r.kernel.org,
Peter Zijlstra <peterz@...radead.org>,
Ananth N Mavinakayanahalli <ananth@...ux.vnet.ibm.com>,
Thomas Gleixner <tglx@...utronix.de>,
"H . Peter Anvin" <hpa@...or.com>, lkp@...org
Subject: [lkp-robot] [kprobes] e1ce3eee7d:
BUG:using_smp_processor_id()in_preemptible
FYI, we noticed the following commit:
commit: e1ce3eee7dcda03f2b2f2d64e2cb2f3a993a3b34 ("kprobes: Use synchronize_rcu_tasks() for optprobe with CONFIG_PREEMPT")
url: https://github.com/0day-ci/linux/commits/Masami-Hiramatsu/kprobes-Use-synchronize_rcu_tasks-for-optprobe-with-CONFIG_PREEMPT/20170913-034557
in testcase: boot
on test machine: qemu-system-x86_64 -enable-kvm -cpu Haswell,+smep,+smap -smp 2 -m 512M
caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
+--------------------------------------------+------------+------------+
| | 80cee03bf1 | e1ce3eee7d |
+--------------------------------------------+------------+------------+
| boot_successes | 28 | 5 |
| boot_failures | 0 | 23 |
| BUG:using_smp_processor_id()in_preemptible | 0 | 23 |
+--------------------------------------------+------------+------------+
[ 14.675660] BUG: using smp_processor_id() in preemptible [00000000] code: swapper/0/1
[ 14.700932] caller is debug_smp_processor_id+0x17/0x20
[ 14.725623] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.13.0-06467-ge1ce3ee #2
[ 14.729560] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.9.3-20161025_171302-gandalf 04/01/2014
[ 14.772244] Call Trace:
[ 14.772244] dump_stack+0x65/0x87
[ 14.772244] check_preemption_disabled+0xda/0xe0
[ 14.772244] debug_smp_processor_id+0x17/0x20
[ 14.772244] optimized_callback+0x1f/0xf0
[ 14.772244] 0xffffffffa0002370
[ 14.772244] ? init_test_probes+0x2cf/0x530
[ 14.772244] init_kprobes+0x1e6/0x1f1
[ 14.772244] ? debugfs_kprobe_init+0xa5/0xa5
[ 14.772244] do_one_initcall+0x4e/0x190
[ 14.772244] kernel_init_freeable+0x113/0x194
[ 14.772244] ? rest_init+0x130/0x130
[ 14.772244] kernel_init+0x9/0xf2
[ 14.772244] ret_from_fork+0x25/0x30
[ 16.007679] Kprobe smoke test: passed successfully
[ 16.025466] Initialise system trusted keyrings
[ 16.062596] workingset: timestamp_bits=46 max_order=17 bucket_order=0
[ 16.151965] efs: 1.0a - http://aeschi.ch.eu.org/efs/
[ 16.164959] fuse init (API version 7.26)
[ 16.183177] orangefs_debugfs_init: called with debug mask: :none: :0:
[ 16.196644] orangefs_init: module version upstream loaded
[ 16.209245] NILFS version 2 loaded
[ 16.226230] gfs2: GFS2 installed
[ 16.326266] NET: Registered protocol family 38
[ 16.344018] Key type asymmetric registered
[ 16.353442] Asymmetric key parser 'x509' registered
[ 16.364981] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249)
[ 16.382476] io scheduler noop registered
[ 16.392812] io scheduler cfq registered (default)
[ 16.405978] test_printf: all 260 tests passed
[ 16.432644] crc32: CRC_LE_BITS = 64, CRC_BE BITS = 64
[ 16.443171] crc32: self tests passed, processed 225944 bytes in 2307458 nsec
[ 16.456977] crc32c: CRC_LE_BITS = 64
[ 16.464432] crc32c: self tests passed, processed 225944 bytes in 620214 nsec
[ 16.636881] crc32_combine: 8373 self tests passed
[ 16.770158] crc32c_combine: 8373 self tests passed
[ 16.784290] switchtec: loaded.
[ 16.791607] rivafb_setup START
[ 16.801335] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0
[ 16.817701] ACPI: Power Button [PWRF]
[ 16.848025] HDLC line discipline maxframe=4096
[ 16.859952] N_HDLC line discipline registered.
[ 16.874756] r3964: Philips r3964 Driver $Revision: 1.10 $
[ 16.886652] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
[ 16.983539] 00:05: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A
[ 17.114800] 00:06: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A
[ 17.138674] MOXA Intellio family driver version 6.0k
[ 17.151640] SyncLink serial driver $Revision: 4.38 $
[ 17.232501] SyncLink serial driver $Revision: 4.38 $, tty major#244
[ 17.248116] Non-volatile memory driver v1.3
[ 17.258912] telclk_interrupt = 0xf non-mcpbl0010 hw.
[ 17.304320] Floppy drive(s): fd0 is 2.88M AMI BIOS
[ 17.309997] loop: module loaded
[ 17.344349] null: module loaded
[ 17.352804] dummy-irq: no IRQ given. Use irq=N
[ 17.365157] Silicon Labs C2 port support v. 0.51.0 - (C) 2007 Rodolfo Giometti
[ 17.381691] FDC 0 is a S82078B
[ 17.395387] c2port c2port0: C2 port uc added
[ 17.405402] c2port c2port0: uc flash has 30 blocks x 512 bytes (15360 bytes total)
[ 17.425464] Uniform Multi-Platform E-IDE driver
[ 17.437073] Loading iSCSI transport class v2.0-870.
[ 17.455730] aic94xx: Adaptec aic94xx SAS/SATA driver version 1.0.3 loaded
[ 17.478968] iscsi: registered transport (qla4xxx)
[ 17.492261] QLogic iSCSI HBA Driver
[ 17.502789] mpt3sas version 15.100.00.00 loaded
[ 17.516825] VMware PVSCSI driver - version 1.0.7.0-k
[ 17.568251] scsi host0: scsi_debug: version 1.86 [20160430]
[ 17.568251] dev_size_mb=8, opts=0x0, submit_queues=1, statistics=0
[ 17.599319] scsi 0:0:0:0: Direct-Access Linux scsi_debug 0186 PQ: 0 ANSI: 7
[ 17.622753] scsi 0:0:0:0: Attached scsi generic sg0 type 0
[ 17.652924] platform physmap-flash.0: failed to claim resource 0: [mem 0x08000000-0x07ffffff]
[ 17.672329] slram: not enough parameters.
[ 17.687505] ftl_cs: FTL header not found.
[ 17.717310] vcan: Virtual CAN interface driver
[ 17.737307] slcan: serial line CAN interface driver
[ 17.753216] slcan: 10 dynamic interface channels.
[ 17.766066] CAN device driver interface
[ 17.781333] cc770: CAN netdevice driver
[ 17.793582] cc770_isa: insufficient parameters supplied
[ 17.811761] ena: Elastic Network Adapter (ENA) v1.2.0k
[ 17.838306] Intel(R) Ethernet Switch Host Interface Driver - version 0.21.7-k
[ 17.860645] Copyright(c) 2013 - 2017 Intel Corporation.
[ 17.883557] ns83820.c: National Semiconductor DP83820 10/100/1000 driver.
[ 17.902174] nfp: NFP PCIe Driver, Copyright (C) 2014-2017 Netronome Systems
[ 17.923819] PPP generic driver version 2.4.2
[ 17.938243] PPP Deflate Compression module registered
[ 17.955252] PPP MPPE Compression module registered
[ 17.971135] Fusion MPT base driver 3.04.20
[ 17.983899] Copyright (c) 1999-2008 LSI Corporation
[ 17.999048] Fusion MPT SPI Host driver 3.04.20
[ 18.023653] Fusion MPT SAS Host driver 3.04.20
[ 18.052566] Fusion MPT misc device (ioctl) driver 3.04.20
[ 18.083344] mptctl: Registered with Fusion MPT base driver
[ 18.098123] mptctl: /dev/mptctl @ (major,minor=10,220)
[ 18.124512] aoe: AoE v85 initialised.
[ 18.137382] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12
[ 18.170754] serio: i8042 KBD port at 0x60,0x64 irq 1
To reproduce:
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
Thanks,
Xiaolong
View attachment "config-4.13.0-06467-ge1ce3ee" of type "text/plain" (118472 bytes)
View attachment "job-script" of type "text/plain" (4119 bytes)
Download attachment "dmesg.xz" of type "application/x-xz" (9560 bytes)
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