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SubjectRe: [lkp-robot] [kprobes] e1ce3eee7d: BUG:using_smp_processor_id()in_preemptible
On Thu, 14 Sep 2017 12:28:32 +0800
kernel test robot <xiaolong.ye@intel.com> wrote:

>
> 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

Oops, similar issue was reported by Naveen yesterday, I must handle it.

Thank you,

>
>
> 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


--
Masami Hiramatsu <mhiramat@kernel.org>

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