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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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