Note, only able to trigger with paranoid set to 0.
Stopping after 30000
Using user-specified random seed of 1423843862
Watchdog enabled with timeout 60s
Will auto-exit if signal storm detected
*** perf_fuzzer 0.30-pre *** by Vince Weaver
Linux version 3.19.0+ x86_64
Processor: Intel 6/60/3
Seeding random number generator with 1423843862
/proc/sys/kernel/perf_event_max_sample_rate currently: 100000/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 1423843862
Pid=3710, 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: 134389 Successful: 864
EPERM : 17
ENOENT : 1038
E2BIG : 13109
EBADF : 6751
EINVAL : 111998
EOPNOTSUPP : 612
Type (Hardware 213/17551)(software 293/19835)(tracepoint 79/19665)(Cache 80/16958)(cpu 176/19623)(breakpoint 23/19726)(power 0/2825)(uncore_imc 0/2841)(#8 0/74)(#9 0/24)(#10 0/12)(#11 0/21)(#12 0/17)(#13 0/15)(#14 0/16)(>14 0/15186)
Close attempts: 846 Successful: 846
Read attempts: 847 Successful: 750
Write attempts: 780 Successful: 0
Ioctl attempts: 841 Successful: 370
Mmap attempts: 864 Successful: 410
Prctl attempts: 892 Successful: 892
Fork attempts: 446 Successful: 446
Poll attempts: 956 Successful: 804
Access attempts: 904 Successful: 443
Trash mmap attempts: 825 Successful: 825
Overflows: 0
SIGIOs due to RT signal queue full: 0
[ 524.785761] BUG: unable to handle kernel paging request at 0000000000005050
[ 524.793314] IP: [] snb_uncore_imc_event_start+0x54/0xb0
[ 524.800635] PGD 0
[ 524.802835] Oops: 0000 [#1] SMP
[ 524.806375] Modules linked in: fuse x86_pkg_temp_thermal intel_powerclamp intel_rapl iosf_mbi coretemp kvm crct10dif_pclmul snd_hda_codec_realtek crc32_pclmul ghash_clmulni_intel snd_hda_codec_generic snd_hda_codec_hdmi aesni_intel iTCO_wdt aes_x86_64 snd_hda_intel snd_hda_controller lrw gf128mul glue_helper iTCO_vendor_support i915 drm_kms_helper snd_hda_codec snd_hwdep ablk_helper ppdev snd_pcm evdev drm pcspkr cryptd xhci_pci psmouse snd_timer snd soundcore xhci_hcd mei_me lpc_ich tpm_tis serio_raw parport_pc tpm parport mei i2c_i801 battery i2c_algo_bit mfd_core video processor wmi button sg sr_mod sd_mod cdrom ahci ehci_pci libahci ehci_hcd libata e1000e ptp scsi_mod crc32c_intel usbcore usb_common pps_core fan thermal thermal_sys
[ 524.877715] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.19.0+ #127
[ 524.884348] Hardware name: LENOVO 10AM000AUS/SHARKBAY, BIOS FBKT72AUS 01/26/2014
[ 524.892286] task: ffffffff81c1a580 ti: ffffffff81c00000 task.ti: ffffffff81c00000
[ 524.900303] RIP: 0010:[] [] snb_uncore_imc_event_start+0x54/0xb0
[ 524.910238] RSP: 0018:ffff88011ea03df8 EFLAGS: 00010092
[ 524.915932] RAX: 0000000000005050 RBX: ffff880118fb3800 RCX: 0000000000000001
[ 524.923598] RDX: 0000000000000000 RSI: ffff8800cda49588 RDI: ffff880118fb3850
[ 524.931248] RBP: ffff88011ea03e08 R08: ffff8800cda49588 R09: 0000000000000000
[ 524.938869] R10: 0000000000000000 R11: 0000000000000001 R12: ffff8800cda49400
[ 524.946505] R13: 0000000000000001 R14: ffffe8ffffc03ea8 R15: 0000007a2fab0b08
[ 524.954148] FS: 0000000000000000(0000) GS:ffff88011ea00000(0000) knlGS:0000000000000000
[ 524.962855] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 524.969001] CR2: 0000000000005050 CR3: 0000000001c13000 CR4: 00000000001407f0
[ 524.976635] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 524.984301] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
[ 524.991950] Stack:
[ 524.994131] ffff8800cda49400 ffff880118fb3800 ffff88011ea03e38 ffffffff81035c87
[ 525.002121] ffff88011ea03e38 ffff880118fb3800 ffffe8ffffc040f0 ffffe8ffffc040f4
[ 525.010151] ffff88011ea03e78 ffffffff8115ab26 0000000000000000 ffffe8ffffc03ea8
[ 525.018153] Call Trace:
[ 525.020769]
[ 525.022831] [] snb_uncore_imc_event_add+0x47/0x60
[ 525.029869] [] event_sched_in.isra.73+0xa6/0x310
[ 525.036609] [] group_sched_in+0x6f/0x1e0
[ 525.042606] [] ? native_sched_clock+0x2a/0x90
[ 525.048998] [] __perf_event_enable+0x25c/0x2a0
[ 525.055500] [] ? tick_nohz_irq_exit+0x29/0x30
[ 525.061960] [] remote_function+0x50/0x60
[ 525.067960] [] flush_smp_call_function_queue+0x62/0x140
[ 525.075339] [] ? __atomic_notifier_call_chain+0x5/0x90
[ 525.082603] [] generic_smp_call_function_single_interrupt+0x13/0x60
[ 525.091034] [] smp_call_function_single_interrupt+0x27/0x40
[ 525.098758] [] call_function_single_interrupt+0x6d/0x80
[ 525.106137]
[ 525.108217] [] ? lock_release+0xf4/0x260
[ 525.114430] [] __atomic_notifier_call_chain+0x77/0x90
[ 525.121603] [] ? __atomic_notifier_call_chain+0x5/0x90
[ 525.128862] [] ? rcu_eqs_exit_common.isra.46+0x33/0x110
[ 525.136282] [] atomic_notifier_call_chain+0x16/0x20
[ 525.143315] [] arch_cpu_idle_exit+0x2f/0x40
[ 525.149590] [] cpu_startup_entry+0x138/0x3b0
[ 525.155955] [] rest_init+0xb6/0xc0
[ 525.161400] [] start_kernel+0x450/0x45d
[ 525.167295] [] ? early_idt_handlers+0x120/0x120
[ 525.173978] [] x86_64_start_reservations+0x2a/0x2c
[ 525.180872] [] x86_64_start_kernel+0x143/0x152
[ 525.187383] Code: 04 01 48 8d 90 88 01 00 00 48 8b b0 90 01 00 00 48 8d 7b 50 49 89 c4 e8 7b 29 3e 00 49 8b 94 24 98 01 00 00 48 8b 83 48 01 00 00 <8b> 04 02 48 89 83 a0 01 00 00 41 83 7c 24 04 01 74 0a 5b 41 5c
[ 525.208997] RIP [] snb_uncore_imc_event_start+0x54/0xb0
[ 525.216382] RSP
[ 525.220838] CR2: 0000000000005050
[ 525.225091] ---[ end trace 44e2093251591066 ]---
[ 525.230709] Kernel panic - not syncing: Fatal exception in interrupt
[ 525.238268] Kernel Offset: 0x0 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffff9fffffff)