Note, only with paranoid -1. Not sure if related to other bugs.
Stopping after 30000
Watchdog enabled with timeout 60s
Will auto-exit if signal storm detected
*** perf_fuzzer 0.29 *** by Vince Weaver
Linux version 3.19.0-rc5+ x86_64
Processor: Intel 6/60/3
Seeding random number generator with 1421688860
/proc/sys/kernel/perf_event_max_sample_rate currently: 100000/s
/proc/sys/kernel/perf_event_paranoid currently: -1
Logging perf_event_open() failures: no
Running fsync after every syscall: no
To reproduce, try: ./perf_fuzzer -s 30000 -r 1421688860
Pid=4141, sleeping 1s
==================================================
Fuzzing the following syscalls:
mmap perf_event_open close read write ioctl fork prctl poll
*NOT* Fuzzing the following syscalls:
Also attempting the following:
signal-handler-on-overflow busy-instruction-loop accessing-perf-proc-and-sys-files trashing-the-mmap-page
*NOT* attempting the following:
==================================================
Iteration 10000
Open attempts: 145001 Successful: 902
EPERM : 19
ENOENT : 1177
E2BIG : 15536
EBADF : 6812
EINVAL : 119832
EOPNOTSUPP : 723
Type (Hardware 227/19236)(software 311/21226)(tracepoint 72/21230)(Cache 78/18320)(cpu 193/21265)(breakpoint 21/21125)(power 0/3228)(uncore_imc 0/3049)(#8 0/67)(#9 0/21)(#10 0/25)(#11 0/19)(#12 0/18)(#13 0/16)(#14 0/22)(>14 0/16134)
Close attempts: 862 Successful: 862
Read attempts: 914 Successful: 810
Write attempts: 921 Successful: 0
Ioctl attempts: 906 Successful: 422
Mmap attempts: 902 Successful: 419
Prctl attempts: 915 Successful: 915
Fork attempts: 468 Successful: 468
Poll attempts: 912 Successful: 880
Access attempts: 901 Successful: 449
Trash mmap attempts: 894 Successful: 894
Overflows: 0
SIGIOs due to RT signal queue full: 0
[ 4431.710685] ------------[ cut here ]------------
[ 4431.716452] WARNING: CPU: 7 PID: 0 at arch/x86/kernel/cpu/perf_event.c:1206 x86_pmu_del+0x9c/0x140()
[ 4431.726989] Modules linked in: fuse x86_pkg_temp_thermal intel_powerclamp intel_rapl iosf_mbi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_codec_hdmi coretemp snd_hda_intel iTCO_wdt iTCO_vendor_support lpc_ich mfd_core mei_me i915 drm_kms_helper drm kvm snd_hda_controller xhci_pci snd_hda_codec mei ppdev evdev snd_hwdep xhci_hcd snd_pcm i2c_i801 i2c_algo_bit snd_timer snd crct10dif_pclmul psmouse serio_raw soundcore crc32_pclmul pcspkr ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd parport_pc tpm_tis tpm battery parport video wmi button processor sg sr_mod cdrom sd_mod ahci libahci libata ehci_pci e1000e ptp ehci_hcd usbcore scsi_mod crc32c_intel usb_common pps_core thermal fan thermal_sys
[ 4431.801700] CPU: 7 PID: 0 Comm: swapper/7 Tainted: G W 3.19.0-rc5+ #123
[ 4431.810770] Hardware name: LENOVO 10AM000AUS/SHARKBAY, BIOS FBKT72AUS 01/26/2014
[ 4431.819587] ffffffff81a25cf8 ffff88011ebc3dc8 ffffffff816b62b1 0000000000000000
[ 4431.828509] 0000000000000000 ffff88011ebc3e08 ffffffff8106dcba ffff88011ebdcee0
[ 4431.837436] 0000000000000002 ffff88011ebcbd40 ffff8800cdec0000 ffff88011ebdcee0
[ 4431.846341] Call Trace:
[ 4431.849881] [] dump_stack+0x45/0x57
[ 4431.856983] [] warn_slowpath_common+0x8a/0xc0
[ 4431.864280] [] warn_slowpath_null+0x1a/0x20
[ 4431.871398] [] x86_pmu_del+0x9c/0x140
[ 4431.877967] [] event_sched_out.isra.73+0xf6/0x240
[ 4431.885677] [] ? __perf_event_disable+0x58/0x140
[ 4431.893300] [] group_sched_out+0x71/0xd0
[ 4431.900170] [] ? native_sched_clock+0x2a/0x90
[ 4431.907481] [] __perf_event_disable+0x106/0x140
[ 4431.915008] [] ? tick_nohz_irq_exit+0x29/0x30
[ 4431.922299] [] remote_function+0x50/0x60
[ 4431.929121] [] flush_smp_call_function_queue+0x62/0x140
[ 4431.937252] [] generic_smp_call_function_single_interrupt+0x13/0x60
[ 4431.946501] [] smp_trace_call_function_single_interrupt+0x38/0xc0
[ 4431.955569] [] trace_call_function_single_interrupt+0x6d/0x80
[ 4431.964238] [] ? cpuidle_enter_state+0x65/0x160
[ 4431.972344] [] ? cpuidle_enter_state+0x51/0x160
[ 4431.979753] [] cpuidle_enter+0x17/0x20
[ 4431.986339] [] cpu_startup_entry+0x311/0x3c0
[ 4431.993454] [] start_secondary+0x140/0x150
[ 4432.000383] ---[ end trace 24099a74e00e0348 ]---
[ 4434.283651] BUG: unable to handle kernel paging request at ffffffff8f555d48
[ 4434.291937] IP: [] x86_schedule_events+0x108/0x210
[ 4434.299529] PGD 1c16067 PUD 1c17063 PMD 0
[ 4434.304761] Oops: 0000 [#1] SMP
[ 4434.309051] Modules linked in: fuse x86_pkg_temp_thermal intel_powerclamp intel_rapl iosf_mbi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_codec_hdmi coretemp snd_hda_intel iTCO_wdt iTCO_vendor_support lpc_ich mfd_core mei_me i915 drm_kms_helper drm kvm snd_hda_controller xhci_pci snd_hda_codec mei ppdev evdev snd_hwdep xhci_hcd snd_pcm i2c_i801 i2c_algo_bit snd_timer snd crct10dif_pclmul psmouse serio_raw soundcore crc32_pclmul pcspkr ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd parport_pc tpm_tis tpm battery parport video wmi button processor sg sr_mod cdrom sd_mod ahci libahci libata ehci_pci e1000e ptp ehci_hcd usbcore scsi_mod crc32c_intel usb_common pps_core thermal fan thermal_sys
[ 4434.383824] CPU: 2 PID: 4141 Comm: perf_fuzzer Tainted: G W 3.19.0-rc5+ #123
[ 4434.393403] Hardware name: LENOVO 10AM000AUS/SHARKBAY, BIOS FBKT72AUS 01/26/2014
[ 4434.402174] task: ffff88003665c850 ti: ffff8800cf9a8000 task.ti: ffff8800cf9a8000
[ 4434.411011] RIP: 0010:[] [] x86_schedule_events+0x108/0x210
[ 4434.421216] RSP: 0018:ffff8800cf9abb68 EFLAGS: 00010046
[ 4434.427680] RAX: 0000000000000000 RBX: ffff88011ea8bd40 RCX: 00000000001300c0
[ 4434.436126] RDX: ffffffff81c251c0 RSI: 000000006b6b6b6b RDI: ffff8800cdec0000
[ 4434.444558] RBP: ffff8800cf9abbd8 R08: 0000000000000000 R09: ffffffff81e7efe0
[ 4434.452967] R10: 0000000000000000 R11: 0000000000000001 R12: ffff8800cf001000
[ 4434.461397] R13: ffff88011ea8c288 R14: 0000000000000000 R15: 0000000000000005
[ 4434.469827] FS: 00007f4ce083f700(0000) GS:ffff88011ea80000(0000) knlGS:0000000000000000
[ 4434.479290] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4434.486242] CR2: ffffffff8f555d48 CR3: 0000000036ee0000 CR4: 00000000001407e0
[ 4434.494676] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 4434.503133] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
[ 4434.511576] Stack:
[ 4434.514523] 000000000000c350 ffff88011ea8c260 0000000000000004 ffff8800cf9abbe8
[ 4434.523344] 00000005cf9abcc8 ffff88011ea8c288 ffff8800cf9abbb8 0000000000000000
[ 4434.532173] ffff8800ce4e5400 ffff88011ea8bd40 0000000000000005 ffffffff81c22100
[ 4434.540998] Call Trace:
[ 4434.544419] [] x86_pmu_commit_txn+0x48/0xa0
[ 4434.551467] [] ? __lock_acquire.isra.31+0x3af/0xfe0
[ 4434.559250] [] ? __lock_is_held+0x58/0x80
[ 4434.566130] [] ? event_sched_in.isra.75+0x180/0x280
[ 4434.573926] [] group_sched_in+0x1b8/0x1e0
[ 4434.580754] [] ? native_sched_clock+0x2a/0x90
[ 4434.587988] [] __perf_event_enable+0x25c/0x2a0
[ 4434.595309] [] remote_function+0x50/0x60
[ 4434.602054] [] generic_exec_single+0x12e/0x190
[ 4434.609308] [] ? task_clock_event_add+0x40/0x40
[ 4434.616631] [] smp_call_function_single+0x67/0xa0
[ 4434.624088] [] task_function_call+0x49/0x60
[ 4434.631000] [] ? perf_event_sched_in+0xa0/0xa0
[ 4434.638191] [] perf_event_enable+0x104/0x160
[ 4434.645186] [] ? perf_cpu_notify+0x50/0x50
[ 4434.652001] [] perf_event_for_each_child+0x3f/0xb0
[ 4434.659581] [] perf_event_task_enable+0x67/0xa0
[ 4434.666865] [] SyS_prctl+0x215/0x4c0
[ 4434.673133] [] system_call_fastpath+0x16/0x1b
[ 4434.680220] Code: 39 45 a0 44 8d 40 01 74 2e 48 8b bc c3 28 05 00 00 48 83 c0 01 48 63 b7 54 01 00 00 4c 8b 8f 90 01 00 00 83 fe ff 74 77 41 89 c0 <49> 0f a3 31 45 19 c9 45 85 c9 75 a4 45 31 e4 44 3b 45 b4 75 54
[ 4434.702355] RIP [] x86_schedule_events+0x108/0x210
[ 4434.709992] RSP
[ 4434.714439] CR2: ffffffff8f555d48
[ 4434.725035] ---[ end trace 24099a74e00e0349 ]---
[ 4436.860450] Slab corruption (Tainted: G D W ): kmalloc-2048 start=ffff8800cdec0000, len=2048
[ 4436.871884] 190: e0 ef e7 81 ff ff ff ff 6b 6b 6b 6b 6b 6b 6b 6b ........kkkkkkkk
[ 4436.881600] Next obj: start=ffff8800cdec0800, len=2048
[ 4436.888657] 000: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 4436.897692] 010: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 4456.360576] ------------[ cut here ]------------
[ 4456.367080] WARNING: CPU: 1 PID: 0 at kernel/watchdog.c:290 watchdog_overflow_callback+0x92/0xc0()
[ 4456.378219] Watchdog detected hard LOCKUP on cpu 1
[ 4456.383157] Modules linked in: fuse x86_pkg_temp_thermal intel_powerclamp intel_rapl iosf_mbi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_codec_hdmi coretemp snd_hda_intel iTCO_wdt iTCO_vendor_support lpc_ich mfd_core mei_me i915 drm_kms_helper drm kvm snd_hda_controller xhci_pci snd_hda_codec mei ppdev evdev snd_hwdep xhci_hcd snd_pcm i2c_i801 i2c_algo_bit snd_timer snd crct10dif_pclmul psmouse serio_raw soundcore crc32_pclmul pcspkr ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd parport_pc tpm_tis tpm battery parport video wmi button processor sg sr_mod cdrom sd_mod ahci libahci libata ehci_pci e1000e ptp ehci_hcd usbcore scsi_mod crc32c_intel usb_common pps_core thermal fan thermal_sys
[ 4456.463652] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G D W 3.19.0-rc5+ #123
[ 4456.473681] Hardware name: LENOVO 10AM000AUS/SHARKBAY, BIOS FBKT72AUS 01/26/2014
[ 4456.483390] ffffffff81a3d1b5 ffff88011ea45aa0 ffffffff816b62b1 0000000000000000
[ 4456.493293] ffff88011ea45af0 ffff88011ea45ae0 ffffffff8106dcba 0000000000000000
[ 4456.503148] ffff880119b8f800 0000000000000000 ffff88011ea45c40 ffff88011ea45ef8
[ 4456.513013] Call Trace:
[ 4456.517436] [] dump_stack+0x45/0x57
[ 4456.525402] [] warn_slowpath_common+0x8a/0xc0
[ 4456.533517] [] warn_slowpath_fmt+0x46/0x50
[ 4456.541329] [] watchdog_overflow_callback+0x92/0xc0
[ 4456.549864] [] __perf_event_overflow+0x91/0x270
[ 4456.558064] [] ? x86_perf_event_set_period+0xca/0x170
[ 4456.566785] [] perf_event_overflow+0x19/0x20
[ 4456.574680] [] intel_pmu_handle_irq+0x1ba/0x3a0
[ 4456.582836] [] perf_event_nmi_handler+0x2b/0x50
[ 4456.590982] [] nmi_handle+0xa0/0x150
[ 4456.598074] [] ? nmi_handle+0x5/0x150
[ 4456.605312] [] default_do_nmi+0x4a/0x140
[ 4456.612801] [] do_nmi+0x98/0xe0
[ 4456.619437] [] end_repeat_nmi+0x1e/0x2e
[ 4456.626793] [] ? delay_tsc+0x26/0x70
[ 4456.633879] [] ? delay_tsc+0x26/0x70
[ 4456.640923] [] ? delay_tsc+0x26/0x70
[ 4456.647932] <> [] __delay+0xf/0x20
[ 4456.656078] [] do_raw_spin_lock+0xec/0x190
[ 4456.663671] [] _raw_spin_lock+0x39/0x40
[ 4456.670989] [] ? sched_rt_period_timer+0xe1/0x330
[ 4456.679263] [] ? _raw_spin_unlock+0x2b/0x40
[ 4456.686942] [] sched_rt_period_timer+0xe1/0x330
[ 4456.695004] [] __run_hrtimer+0x94/0x1f0
[ 4456.702288] [] ? hrtimer_interrupt+0x7a/0x240
[ 4456.710151] [] ? put_prev_task_rt+0x40/0x40
[ 4456.712773] INFO: rcu_sched detected stalls on CPUs/tasks: { 2} (detected by 5, t=5494 jiffies, g=8378, c=8377, q=55)
[ 4456.712774] Task dump for CPU 2:
[ 4456.712777] swapper/2 R running task 0 0 1 0x00000000
[ 4456.712780] ffff880119463eb8 ffff88011945c2d0 0000000000015100 ffff880119463fd8
[ 4456.712783] 0000000000015100 ffff88003665c850 ffff88011945c2d0 0000000000000005
[ 4456.712785] ffffffff81cfe400 ffffe8ffffc87620 ffff880119460000 0000000000000005
[ 4456.712785] Call Trace:
[ 4456.712790] [] schedule_preempt_disabled+0x29/0x70
[ 4456.712793] [] cpu_startup_entry+0x16f/0x3c0
[ 4456.712796] [] start_secondary+0x140/0x150
[ 4456.800687] [] hrtimer_interrupt+0xff/0x240
[ 4456.808440] [] ? __atomic_notifier_call_chain+0x5/0x90
[ 4456.817180] [] ? tick_irq_enter+0x7a/0xd0
[ 4456.824752] [] local_apic_timer_interrupt+0x3c/0x70
[ 4456.833275] [] smp_trace_apic_timer_interrupt+0x4b/0xc9
[ 4456.842150] [] trace_apic_timer_interrupt+0x6d/0x80
[ 4456.850610] [] ? cpuidle_enter_state+0x65/0x160
[ 4456.859472] [] ? cpuidle_enter_state+0x51/0x160
[ 4456.867550] [] cpuidle_enter+0x17/0x20
[ 4456.874734] [] cpu_startup_entry+0x311/0x3c0
[ 4456.882506] [] start_secondary+0x140/0x150
[ 4456.890103] ---[ end trace 24099a74e00e034a ]---
[ 4463.857768] ------------[ cut here ]------------
[ 4463.864147] WARNING: CPU: 0 PID: 1601 at kernel/watchdog.c:290 watchdog_overflow_callback+0x92/0xc0()
[ 4463.875451] Watchdog detected hard LOCKUP on cpu 0
[ 4463.880421] Modules linked in: fuse x86_pkg_temp_thermal intel_powerclamp intel_rapl iosf_mbi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_codec_hdmi coretemp snd_hda_intel iTCO_wdt iTCO_vendor_support lpc_ich mfd_core mei_me i915 drm_kms_helper drm kvm snd_hda_controller xhci_pci snd_hda_codec mei ppdev evdev snd_hwdep xhci_hcd snd_pcm i2c_i801 i2c_algo_bit snd_timer snd crct10dif_pclmul psmouse serio_raw soundcore crc32_pclmul pcspkr ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd parport_pc tpm_tis tpm battery parport video wmi button processor sg sr_mod cdrom sd_mod ahci libahci libata ehci_pci e1000e ptp ehci_hcd usbcore scsi_mod crc32c_intel usb_common pps_core thermal fan thermal_sys
[ 4463.959939] CPU: 0 PID: 1601 Comm: in:imklog Tainted: G D W 3.19.0-rc5+ #123
[ 4463.970058] Hardware name: LENOVO 10AM000AUS/SHARKBAY, BIOS FBKT72AUS 01/26/2014
[ 4463.979553] ffffffff81a3d1b5 ffff88011ea05aa0 ffffffff816b62b1 0000000000000000
[ 4463.989052] ffff88011ea05af0 ffff88011ea05ae0 ffffffff8106dcba 00000000000f4265
[ 4463.998515] ffff880119b79000 0000000000000000 ffff88011ea05c40 ffff88011ea05ef8
[ 4464.007980] Call Trace:
[ 4464.012004] [] dump_stack+0x45/0x57
[ 4464.019562] [] warn_slowpath_common+0x8a/0xc0
[ 4464.027381] [] warn_slowpath_fmt+0x46/0x50
[ 4464.034941] [] ? irq_work_queue+0xf/0x80
[ 4464.042306] [] watchdog_overflow_callback+0x92/0xc0
[ 4464.050655] [] __perf_event_overflow+0x91/0x270
[ 4464.058623] [] ? __perf_event_overflow+0xd9/0x270
[ 4464.066759] [] ? x86_perf_event_set_period+0xca/0x170
[ 4464.075271] [] perf_event_overflow+0x19/0x20
[ 4464.083005] [] intel_pmu_handle_irq+0x1ba/0x3a0
[ 4464.091003] [] perf_event_nmi_handler+0x2b/0x50
[ 4464.098982] [] nmi_handle+0xa0/0x150
[ 4464.105949] [] ? nmi_handle+0x5/0x150
[ 4464.113021] [] default_do_nmi+0x4a/0x140
[ 4464.120359] [] do_nmi+0x98/0xe0
[ 4464.126858] [] end_repeat_nmi+0x1e/0x2e
[ 4464.134124] [] ? native_read_tsc+0xc/0x20
[ 4464.141535] [] ? native_read_tsc+0xc/0x20
[ 4464.148938] [] ? native_read_tsc+0xc/0x20
[ 4464.156366] <> [] delay_tsc+0x24/0x70
[ 4464.163998] [] __delay+0xf/0x20
[ 4464.170484] [] do_raw_spin_lock+0xec/0x190
[ 4464.177954] [] _raw_spin_lock+0x39/0x40
[ 4464.185215] [] ? try_to_wake_up+0x1db/0x3c0
[ 4464.192820] [] try_to_wake_up+0x1db/0x3c0
[ 4464.200189] [] wake_up_state+0x10/0x20
[ 4464.207319] [] wake_futex+0x67/0x90
[ 4464.214144] [] do_futex+0x7ff/0xab0
[ 4464.220965] [] SyS_futex+0x76/0x170
[ 4464.227809] [] ? lockdep_sys_exit+0x2d/0xa0
[ 4464.235396] [] ? lockdep_sys_exit_thunk+0x35/0x67
[ 4464.243553] [] system_call_fastpath+0x16/0x1b
[ 4464.251308] ---[ end trace 24099a74e00e034b ]---