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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