*** perf_fuzzer 0.31-pre *** by Vince Weaver
Linux version 4.8.0-rc1+ x86_64
Processor: Intel 6/60/3
Seeding random number generator with 1470759960
/proc/sys/kernel/perf_event_max_sample_rate currently: 250/s
/proc/sys/kernel/perf_event_paranoid currently: 0
Logging perf_event_open() failures: no
Running fsync after every syscall: no
To reproduce, try: ./perf_fuzzer -s 30000 -r 1470759960
Pid=7823, 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:
==================================================
Cannot open /sys/kernel/tracing/kprobe_events
Iteration 10000
Open attempts: 104600 Successful: 885 Currently open: 0
EPERM : 12
ENOENT : 584
E2BIG : 9175
EBADF : 8746
EBUSY : 4
EINVAL : 85101
EOPNOTSUPP : 93
Trinity Type (Normal 277/26244)(Sampling 38/26161)(Global 519/26013)(Random 51/26182)
Type (Hardware 212/14666)(software 304/14062)(tracepoint 47/14010)(Cache 57/13243)(cpu 208/14034)(breakpoint 15/14124)(intel_bts 25/870)(msr 5/858)(power 0/913)(uncore_imc 1/865)(uncore_cbox_0 3/871)(uncore_cbox_1 2/903)(uncore_cbox_2 3/876)(uncore_cbox_3 0/852)(uncore_arb 1/822)(cstate_core 2/929)(cstate_pkg 0/930)(#17 0/14)(#18 0/8)(>19 0/10750)
Close: 885/885 Successful
Read: 801/867 Successful
Write: 0/922 Successful
Ioctl: 374/905 Successful: (ENABLE 75/75)(DISABLE 98/98)(REFRESH 9/92)(RESET 90/90)(PERIOD 10/78)(SET_OUTPUT 9/71)(SET_FILTER 0/80)(ID 81/81)(SET_BPF 0/73)(PAUSE_OUTPUT 2/79)(#10 0/0)(#11 0/0)(#12 0/0)(#13 0/0)(#14 0/0)(>14 0/88)
Mmap: 412/1047 Successful: (MMAP 412/1047)(TRASH 111/149)(READ 10/145)(UNMAP 412/1054)(AUX 0/103)(AUX_READ 1/3)
Prctl: 905/905 Successful
Fork: 464/464 Successful
Poll: 907/918 Successful
Access: 435/888 Successful
Overflows: 0 Recursive: 0
SIGIOs due to RT signal queue full: 0
[ 9057.548779] ------------[ cut here ]------------
[ 9057.554215] WARNING: CPU: 6 PID: 0 at kernel/events/core.c:254 event_function_local.constprop.106+0x4c/0x50
[ 9057.565130] Modules linked in: binfmt_misc intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel snd_hda_codec_hdmi aes_x86_64 lrw snd_hda_codec_realtek snd_hda_codec_generic ppdev snd_hda_intel evdev gf128mul iTCO_wdt iTCO_vendor_support snd_hda_codec snd_hda_core snd_hwdep snd_pcm glue_helper snd_timer ablk_helper cryptd snd psmouse sg tpm_tis serio_raw tpm_tis_core pcspkr i915 drm_kms_helper drm tpm soundcore i2c_algo_bit parport_pc mei_me video button battery mei parport i2c_i801 wmi i2c_smbus lpc_ich mfd_core sr_mod cdrom sd_mod ahci libahci xhci_pci libata ehci_pci xhci_hcd ehci_hcd e1000e ptp usbcore crc32c_intel scsi_mod pps_core usb_common fan thermal
[ 9057.642342] CPU: 6 PID: 0 Comm: swapper/6 Tainted: G W 4.8.0-rc1+ #187
[ 9057.651171] Hardware name: LENOVO 10AM000AUS/SHARKBAY, BIOS FBKT72AUS 01/26/2014
[ 9057.659674] 0000000000000000 ffff88011eb83ca8 ffffffff81437641 0000000000000000
[ 9057.668318] 0000000000000000 ffff88011eb83ce8 ffffffff81076bab 000000fe8116864d
[ 9057.676846] 0000000000000002 0000000000014000 ffff880036fb0be8 ffff880036fb0800
[ 9057.685490] Call Trace:
[ 9057.688738] [] dump_stack+0x63/0x82
[ 9057.695548] [] __warn+0xcb/0xf0
[ 9057.701303] [] warn_slowpath_null+0x1d/0x20
[ 9057.708177] [] event_function_local.constprop.106+0x4c/0x50
[ 9057.716468] [] ? task_ctx_sched_out+0x50/0x50
[ 9057.723527] [] perf_pending_event+0xd1/0xe0
[ 9057.730385] [] irq_work_run_list+0x48/0x70
[ 9057.737130] [] irq_work_run+0x18/0x40
[ 9057.743415] [] smp_irq_work_interrupt+0x2e/0x40
[ 9057.750630] [] irq_work_interrupt+0x82/0x90
[ 9057.757505] [] ? _raw_spin_unlock_irqrestore+0x31/0x40
[ 9057.765399] [] complete+0x42/0x50
[ 9057.771285] [] ? trace_raw_output_rcu_utilization+0x60/0x60
[ 9057.779694] [] wakeme_after_rcu+0x12/0x20
[ 9057.786294] [] rcu_process_callbacks+0x2f5/0x6a0
[ 9057.793599] [] ? rcu_process_callbacks+0x28f/0x6a0
[ 9057.801073] [] __do_softirq+0x113/0x2c6
[ 9057.807530] [] irq_exit+0xa3/0xb0
[ 9057.813499] [] smp_apic_timer_interrupt+0x42/0x50
[ 9057.820942] [] apic_timer_interrupt+0x82/0x90
[ 9057.827928] [] ? cpuidle_enter_state+0x12b/0x2d0
[ 9057.835929] [] cpuidle_enter+0x17/0x20
[ 9057.842336] [] call_cpuidle+0x2a/0x50
[ 9057.848630] [] cpu_startup_entry+0x28f/0x340
[ 9057.855629] [] start_secondary+0x133/0x140
[ 9057.862376] ---[ end trace 8da07322bed774ef ]---