-
*** perf_fuzzer 0.29-pre *** by Vince Weaver
Linux version 3.17.0-rc7+ x86_64
Processor: Intel 6/23/10
Seeding random number generator with 1412173833
/proc/sys/kernel/perf_event_max_sample_rate currently: 50000/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 -t OCIRMQWPFpAi -s 50000 -r 1412173833
Pid=3333, 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:
busy-instruction-loop accessing-perf-proc-and-sys-files trashing-the-mmap-page
*NOT* attempting the following:
signal-handler-on-overflow
==================================================
Iteration 10000
Open attempts: 221780 Successful: 886
EPERM : 35
ENOENT : 1858
E2BIG : 24155
EBADF : 9031
EACCES : 409
EINVAL : 184306
EOPNOTSUPP : 1100
Type (Hardware 175/29215)(software 373/34941)(tracepoint 102/35022)(Cache 34/27896)(cpu 180/34743)(breakpoint 22/34764)(#6 0/26)(#7 0/34)(#8 0/124)(#9 0/23)(#10 0/32)(#11 0/20)(#12 0/20)(#13 0/30)(#14 0/24)(>14 0/24866)
Close attempts: 844 Successful: 844
Read attempts: 848 Successful: 751
Write attempts: 890 Successful: 0
Ioctl attempts: 842 Successful: 374
Mmap attempts: 886 Successful: 333
Prctl attempts: 875 Successful: 875
Fork attempts: 441 Successful: 441
Poll attempts: 934 Successful: 0
Access attempts: 927 Successful: 438
Trash mmap attempts: 857 Successful: 857
Overflows: 0
SIGIOs due to RT signal queue full: 0
Iteration 20000
Open attempts: 222509 Successful: 945
EPERM : 40
ENOENT : 2027
E2BIG : 24156
EBADF : 8097
EACCES : 410
EINVAL : 185664
ENOSPC : 18
EOPNOTSUPP : 1152
Type (Hardware 182/29267)(software 380/35184)(tracepoint 109/35351)(Cache 52/27651)(cpu 189/34833)(breakpoint 33/34656)(#6 0/34)(#7 0/27)(#8 0/127)(#9 0/33)(#10 0/33)(#11 0/21)(#12 0/31)(#13 0/20)(#14 0/35)(>14 0/25206)
Close attempts: 899 Successful: 899
Read attempts: 911 Successful: 785
Write attempts: 889 Successful: 0
Ioctl attempts: 919 Successful: 392
Mmap attempts: 945 Successful: 271
Prctl attempts: 865 Successful: 865
Fork attempts: 439 Successful: 439
Poll attempts: 939 Successful: 9
Access attempts: 940 Successful: 459
Trash mmap attempts: 927 Successful: 927
Overflows: 0
SIGIOs due to RT signal queue full: 0
Fork failed! Invalid argument
Fork failed! Invalid argument
Fork failed! Invalid argument
Fork failed! Invalid argument
Fork failed! Invalid argument
Fork failed! Invalid argument
Fork failed! Invalid argument
Fork failed! Invalid argument
Fork failed! Invalid argument
Fork failed! Invalid argument
Fork failed! Invalid argument
Fork failed! Invalid argument
Fork failed! Invalid argument
Fork failed! Invalid argument
Fork failed! Invalid argument
Fork failed! Invalid argument
Fork failed! Invalid argument
Fork failed! Invalid argument
Fork failed! Invalid argument
Fork failed! Invalid argument
Fork failed! Invalid argument
Fork failed! Invalid argument
Iteration 30000
Open attempts: 211834 Successful: 938
EPERM : 34
ENOENT : 1904
E2BIG : 23287
EBADF : 7217
EACCES : 443
EINVAL : 176791
ENOSPC : 119
EOPNOTSUPP : 1101
Type (Hardware 205/28035)(software 377/33597)(tracepoint 95/33186)(Cache 56/26343)(cpu 188/33172)(breakpoint 17/33083)(#6 0/39)(#7 0/19)(#8 0/93)(#9 0/41)(#10 0/36)(#11 0/21)(#12 0/28)(#13 0/23)(#14 0/21)(>14 0/24097)
Close attempts: 891 Successful: 891
Read attempts: 864 Successful: 739
Write attempts: 931 Successful: 0
Ioctl attempts: 948 Successful: 427
Mmap attempts: 938 Successful: 240
Prctl attempts: 885 Successful: 885
Fork attempts: 462 Successful: 440
Poll attempts: 900 Successful: 18
Access attempts: 956 Successful: 461
Trash mmap attempts: 892 Successful: 892
Overflows: 0
SIGIOs due to RT signal queue full: 0
[71414.328057] ------------[ cut here ]------------
[71414.332002] WARNING: CPU: 1 PID: 3333 at arch/x86/kernel/hw_breakpoint.c:119 arch_install_hw_breakpoint+0xbe/0xcd()
[71414.332002] Can't find any breakpoint slot
[71414.332002] Modules linked in: cpufreq_userspace cpufreq_stats cpufreq_powersave cpufreq_conservative f71882fg evdev mcs7830 usbnet coretemp psmouse serio_raw pcspkr video wmi ohci_pci ohci_hcd i2c_nforce2 button acpi_cpufreq processor thermal_sys sg ehci_pci ehci_hcd sd_mod usbcore usb_common
[71414.332002] CPU: 1 PID: 3333 Comm: perf_fuzzer Not tainted 3.17.0-rc7+ #84
[71414.332002] Hardware name: AOpen DE7000/nMCP7ALPx-DE R1.06 Oct.19.2012, BIOS 080015 10/19/2012
[71414.332002] 0000000000000000 ffff8800c959fa18 ffffffff8151e17e ffff8800c959fa60
[71414.332002] ffff8800c959fa50 ffffffff8103ee43 ffffffff810092f0 ffff8800c97e8800
[71414.332002] ffff8800cb8ff300 000040ec17749451 ffff88011fc95668 ffff8800c959fab0
[71414.332002] Call Trace:
[71414.332002] [] dump_stack+0x45/0x56
[71414.332002] [] warn_slowpath_common+0x7f/0x98
[71414.332002] [] ? arch_install_hw_breakpoint+0xbe/0xcd
[71414.332002] [] warn_slowpath_fmt+0x4c/0x4e
[71414.332002] [] ? sched_clock_cpu+0x91/0xa2
[71414.332002] [] arch_install_hw_breakpoint+0xbe/0xcd
[71414.332002] [] hw_breakpoint_add+0x45/0x48
[71414.332002] [] event_sched_in+0x8a/0x12c
[71414.332002] [] group_sched_in+0x51/0x141
[71414.332002] [] ctx_sched_in.isra.71+0x121/0x142
[71414.332002] [] perf_event_sched_in.isra.74+0x59/0x5e
[71414.332002] [] perf_event_context_sched_in.isra.75+0x6a/0x90
[71414.332002] [] __perf_event_task_sched_in+0x37/0xf4
[71414.332002] [] finish_task_switch+0x9b/0xa6
[71414.332002] [] __schedule+0x309/0x4a5
[71414.332002] [] schedule+0x6e/0x70
[71414.332002] [] schedule_timeout+0x29/0x104
[71414.332002] [] ? pcpu_alloc_area+0x1d2/0x206
[71414.332002] [] ? update_group_times+0x18/0x40
[71414.332002] [] ? allocate_probes+0x18/0x2a
[71414.332002] [] do_wait_for_common+0xe5/0x118
[71414.332002] [] ? console_conditional_schedule+0x19/0x19
[71414.332002] [] ? wake_up_state+0x12/0x12
[71414.332002] [] wait_for_common+0x3a/0x47
[71414.332002] [] ? call_rcu_bh+0x19/0x19
[71414.332002] [] wait_for_completion+0x1d/0x1f
[71414.332002] [] wait_rcu_gp+0x4b/0x51
[71414.332002] [] ? ftrace_raw_output_rcu_utilization+0x44/0x44
[71414.332002] [] synchronize_sched+0x40/0x42
[71414.332002] [] perf_trace_event_unreg.isra.1+0x37/0x78
[71414.332002] [] perf_trace_destroy+0x36/0x45
[71414.332002] [] tp_perf_event_destroy+0xe/0x10
[71414.332002] [] __free_event+0x36/0x6f
[71414.332002] [] SYSC_perf_event_open+0x3f9/0x7f5
[71414.332002] [] SyS_perf_event_open+0xe/0x10
[71414.332002] [] system_call_fastpath+0x1a/0x1f
[71414.332002] ---[ end trace 2a54cc1c63c6587a ]---
-
*** perf_fuzzer 0.29-pre *** by Vince Weaver
Linux version 3.17.0-rc4+ x86_64
Processor: Intel 6/23/10
Seeding random number generator with 1410195697
/proc/sys/kernel/perf_event_max_sample_rate currently: 25000/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 -t OCIRMQWPFpAi -s 50000 -r 1410195697
Pid=9930, sleeping 1s
==================================================
[ 935.584074] ------------[ cut here ]------------
[ 935.588013] WARNING: CPU: 1 PID: 9930 at arch/x86/kernel/hw_breakpoint.c:119 arch_install_hw_breakpoint+0x6b/0xf8()
[ 935.588013] Can't find any breakpoint slot
[ 935.588013] Modules linked in: cpufreq_userspace cpufreq_stats cpufreq_powersave cpufreq_conservative f71882fg mcs7830 usbnet evdev psmouse coretemp serio_raw pcspkr ohci_pci ohci_hcd video wmi button i2c_nforce2 acpi_cpufreq processor thermal_sys sg sd_mod ehci_pci ehci_hcd usbcore usb_common
[ 935.588013] CPU: 1 PID: 9930 Comm: perf_fuzzer Not tainted 3.17.0-rc4+ #67
[ 935.588013] Hardware name: AOpen DE7000/nMCP7ALPx-DE R1.06 Oct.19.2012, BIOS 080015 10/19/2012
[ 935.588013] 0000000000000077 ffff8800c5233948 ffffffff81552b82 0000000000000077
[ 935.588013] ffff8800c5233998 ffff8800c5233988 ffffffff8104365f 0000000000013380
[ 935.588013] ffffffff81009e76 0000000000000004 ffff880119c0d800 ffff8800cba1c200
[ 935.588013] Call Trace:
[ 935.588013] [] dump_stack+0x49/0x5f
[ 935.588013] [] warn_slowpath_common+0x81/0x9b
[ 935.588013] [] ? arch_install_hw_breakpoint+0x6b/0xf8
[ 935.588013] [] warn_slowpath_fmt+0x46/0x48
[ 935.588013] [] arch_install_hw_breakpoint+0x6b/0xf8
[ 935.588013] [] hw_breakpoint_add+0x49/0x4d
[ 935.588013] [] event_sched_in+0x91/0x132
[ 935.588013] [] group_sched_in+0x4e/0x148
[ 935.588013] [] ctx_sched_in+0x163/0x18a
[ 935.588013] [] perf_event_sched_in+0x6e/0x77
[ 935.588013] [] perf_event_context_sched_in+0x76/0xa0
[ 935.588013] [] __perf_event_task_sched_in+0x3f/0x110
[ 935.588013] [] finish_task_switch+0x46/0xad
[ 935.588013] [] __schedule+0x454/0x4a8
[ 935.588013] [] schedule+0x6e/0x70
[ 935.588013] [] schedule_timeout+0x27/0xc2
[ 935.588013] [] ? __kmalloc+0xdb/0xed
[ 935.588013] [] ? allocate_probes+0x18/0x2a
[ 935.588013] [] ? perf_trace_signal_generate+0x137/0x137
[ 935.588013] [] ? console_conditional_schedule+0x19/0x19
[ 935.588013] [] __wait_for_common+0xc6/0x142
[ 935.588013] [] ? try_to_wake_up+0x1f6/0x1f6
[ 935.588013] [] ? perf_trace_signal_generate+0x137/0x137
[ 935.588013] [] ? T.961+0x1e0/0x1e0
[ 935.588013] [] wait_for_completion+0x24/0x26
[ 935.588013] [] wait_rcu_gp+0x4b/0x54
[ 935.588013] [] ? wait_rcu_gp+0x54/0x54
[ 935.588013] [] synchronize_sched+0x2e/0x30
[ 935.588013] [] perf_trace_event_unreg+0x36/0xc2
[ 935.588013] [] perf_trace_destroy+0x36/0x46
[ 935.588013] [] tp_perf_event_destroy+0xe/0x10
[ 935.588013] [] __free_event+0x3a/0x75
[ 935.588013] [] SYSC_perf_event_open+0x404/0x870
[ 935.588013] [] SyS_perf_event_open+0xe/0x10
[ 935.588013] [] tracesys+0xd4/0xd9
[ 935.588013] ---[ end trace 56dd46009c10d7e1 ]---
-
*** perf_fuzzer 0.28 *** by Vince Weaver
Linux version 3.15.0-rc1+ x86_64
Processor: Intel 6/60/3
Seeding random number generator with 1398194843
/proc/sys/kernel/perf_event_max_sample_rate currently: 12500/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 -t OCIRMQWPFpAi -s 50000 -r 1398194843
Pid=4819, 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:
busy-instruction-loop accessing-perf-proc-and-sys-files trashing-the-mma
p-page
*NOT* attempting the following:
signal-handler-on-overflow
==================================================
Iteration 10000
Open attempts: 348324 Successful: 912
EPERM : 22
ENOENT : 940
E2BIG : 40398
EBADF : 5838
EACCES : 275
EINVAL : 299029
ENOSPC : 187
EOPNOTSUPP : 723
Close attempts: 886 Successful: 886
Read attempts: 850 Successful: 734
Write attempts: 927 Successful: 0
Ioctl attempts: 909 Successful: 430
Mmap attempts: 912 Successful: 246
Prctl attempts: 921 Successful: 921
Fork attempts: 451 Successful: 451
Poll attempts: 867 Successful: 8
Access attempts: 873 Successful: 448
Trash mmap attempts: 837 Successful: 837
Overflows: 0
SIGIOs due to RT signal queue full: 0
[ 438.849695] ------------[ cut here ]------------
[ 438.854589] WARNING: CPU: 3 PID: 4819 at arch/x86/kernel/hw_breakpoint.c:120
arch_install_hw_breakpoint+0xf1/0x100()
[ 438.865872] Can't find any breakpoint slot
[ 438.870021] Modules linked in: fuse snd_hda_codec_realtek snd_hda_codec_hdmi
snd_hda_codec_generic x86_pkg_temp_thermal intel_powerclamp coretemp kvm snd_hda
_intel i915 crct10dif_pclmul snd_hda_controller crc32_pclmul snd_hda_codec snd_h
wdep ghash_clmulni_intel snd_pcm aesni_intel iTCO_wdt drm_kms_helper snd_seq drm
parport_pc aes_x86_64 lrw evdev gf128mul psmouse snd_timer glue_helper snd_seq_
device i2c_i801 i2c_algo_bit iTCO_vendor_support ablk_helper parport serio_raw p
cspkr i2c_core lpc_ich snd tpm_tis cryptd soundcore mfd_core mei_me wmi mei proc
essor video battery tpm button sg sd_mod sr_mod crc_t10dif crct10dif_common cdro
m ahci e1000e libahci ehci_pci libata ptp ehci_hcd xhci_hcd crc32c_intel pps_cor
e scsi_mod usbcore usb_common thermal fan thermal_sys
[ 438.944269] CPU: 3 PID: 4819 Comm: perf_fuzzer Not tainted 3.15.0-rc1+ #85
[ 438.951634] Hardware name: LENOVO 10AM000AUS/SHARKBAY, BIOS FBKT72AUS 01/26/2
014
[ 438.959552] 0000000000000009 ffff8800cf21bc20 ffffffff8164f7b3 ffff8800cf21b
c68
[ 438.967590] ffff8800cf21bc58 ffffffff810647cd 0000000000000004 ffff880118799
000
[ 438.975619] ffff88011ead7f20 ffff88011ead7f24 00000061b10c77c1 ffff8800cf21b
cb8
[ 438.983681] Call Trace:
[ 438.986309] [] dump_stack+0x45/0x56
[ 438.991835] [] warn_slowpath_common+0x7d/0xa0
[ 438.998271] [] warn_slowpath_fmt+0x4c/0x50
[ 439.004484] [] arch_install_hw_breakpoint+0xf1/0x100
[ 439.011600] [] hw_breakpoint_add+0x44/0x50
[ 439.017767] [] event_sched_in.isra.76+0x90/0x1e0
[ 439.024479] [] group_sched_in+0x69/0x1e0
[ 439.030471] [] __perf_event_enable+0x255/0x260
[ 439.037001] [] remote_function+0x40/0x50
[ 439.042994] [] generic_exec_single+0x126/0x170
[ 439.049566] [] ? task_clock_event_add+0x40/0x40
[ 439.056217] [] smp_call_function_single+0x67/0xa0
[ 439.063056] [] task_function_call+0x44/0x50
[ 439.069343] [] ? perf_event_sched_in+0x90/0x90
[ 439.075802] [] perf_event_enable+0x90/0xf0
[ 439.081965] [] ? task_function_call+0x50/0x50
[ 439.088379] [] perf_event_for_each_child+0x3a/0xa0
[ 439.095283] [] perf_event_task_enable+0x4f/0x80
[ 439.101918] [] SyS_prctl+0x255/0x4b0
[ 439.107480] [] tracesys+0xe1/0xe6
[ 439.112785] ---[ end trace eea548b4adf51169 ]---
-
*** perf_fuzzer *** by Vince Weaver
Seeding random number generator with 1394477379
Kernel max sample rate currently: 12500/s
==================================================
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:
==================================================
[ 970.283167] ------------[ cut here ]------------
[ 970.287093] WARNING: CPU: 1 PID: 25860 at arch/x86/kernel/hw_breakpoint.c:120
arch_install_hw_breakpoint+0x6b/0xf8()
[ 970.287093] Can't find any breakpoint slot
[ 970.287093] Modules linked in: cpufreq_userspace cpufreq_stats cpufreq_powers
ave cpufreq_conservative f71882fg mcs7830 usbnet evdev ohci_pci i2c_nforce2 ohci
_hcd coretemp psmouse serio_raw pcspkr video wmi button acpi_cpufreq processor thermal_sys ehci_pci ehci_hcd sg sd_mod usbcore usb_common
[ 970.287093] CPU: 1 PID: 25860 Comm: perf_fuzzer Not tainted 3.14.0-rc6+ #38
[ 970.287093] Hardware name: AOpen DE7000/nMCP7ALPx-DE R1.06 Oct.19.2012, BIOS 080015 10/19/2012
[ 970.287093] 0000000000000078 ffff88003780dbd8 ffffffff81531e73 0000000000000078
[ 970.287093] ffff88003780dc28 ffff88003780dc18 ffffffff8103fce4 dead000000000000
[ 970.287093] ffffffff81008e38 0000000000000004 ffff88011a98f800 ffff88011afb9640
[ 970.287093] Call Trace:
[ 970.287093] [] dump_stack+0x49/0x5e
[ 970.287093] [] warn_slowpath_common+0x81/0x9b
[ 970.287093] [] ? arch_install_hw_breakpoint+0x6b/0xf8
[ 970.287093] [] warn_slowpath_fmt+0x46/0x48
[ 970.287093] [] ? __hrtimer_start_range_ns+0x2ed/0x2ff
[ 970.287093] [] arch_install_hw_breakpoint+0x6b/0xf8
[ 970.287093] [] hw_breakpoint_add+0x49/0x4d
[ 970.287093] [] event_sched_in+0x8c/0x12d
[ 970.287093] [] group_sched_in+0x4a/0x147
[ 970.287093] [] ? sched_clock_cpu+0x8e/0xaa
[ 970.287093] [] __perf_event_enable+0x117/0x172
[ 970.287093] [] ? perf_event_task_output+0x13d/0x13d
[ 970.287093] [] remote_function+0x3c/0x43
[ 970.287093] [] ? __pollwait+0xcc/0xcc
[ 970.287093] [] smp_call_function_single+0x8a/0x101
[ 970.287093] [] task_function_call+0x44/0x4e
[ 970.287093] [] ? __perf_event_task_sched_in+0x10e/0x10e
[ 970.287093] [] perf_event_enable+0x112/0x150
[ 970.287093] [] ? perf_install_in_context+0xbc/0xbc
[ 970.287093] [] perf_event_for_each_child+0x58/0x8b
[ 970.287093] [] perf_event_task_enable+0x4b/0x7d
[ 970.287093] [] SyS_prctl+0x148/0x324
[ 970.287093] [] ? SyS_poll+0x53/0xbc
[ 970.287093] [] system_call_fastpath+0x1a/0x1f
[ 970.287093] ---[ end trace 89b69112a777e6fe ]---
Iteration 10000
Open attempts: 359203 Successful: 928
EPERM : 18
ENOENT : 931
E2BIG : 38838
EBADF : 5473
EINVAL : 312389
ENOSPC : 81
EOPNOTSUPP : 545
Close attempts: 879 Successful: 879
Read attempts: 846 Successful: 713
Write attempts: 840 Successful: 0
Ioctl attempts: 882 Successful: 298
Mmap attempts: 928 Successful: 217
Prctl attempts: 879 Successful: 879
Fork attempts: 442 Successful: 442
Poll attempts: 933 Successful: 7
Access attempts: 907 Successful: 446
Trash mmap attempts: 857 Successful: 857
Overflows: 3
SIGIOs due to RT signal queue full: 0
- Seed = 1393871713
Info = Unknown?
- Seed = 1393877577
after 20 k
Info = Unknown?
[ 3699.991005] ------------[ cut here ]------------
[ 3699.992018] WARNING: CPU: 1 PID: 31332 at arch/x86/kernel/hw_breakpoint.c:120 arch_install_hw_breakpoint+0x6b/0xf8()
[ 3699.992018] Can't find any breakpoint slot
[ 3699.992018] Modules linked in: cpufreq_userspace cpufreq_stats cpufreq_powersave cpufreq_conservative f71882fg acpi_cpufreq evdev mcs7830 usbnet coretemp psmouse serio_raw pcspkr video wmi processor button thermal_sys ohci_pci ohci_hcd i2c_nforce2 sg ehci_pci ehci_hcd sd_mod usbcore usb_common
[ 3699.992018] CPU: 1 PID: 31332 Comm: perf_fuzzer Not tainted 3.14.0-rc5 #32
[ 3699.992018] Hardware name: AOpen DE7000/nMCP7ALPx-DE R1.06 Oct.19.2012, BIOS 080015 10/19/2012
[ 3699.992018] 0000000000000078 ffff8800b1c2dbd8 ffffffff81531e61 0000000000000078
[ 3699.992018] ffff8800b1c2dc28 ffff8800b1c2dc18 ffffffff8103fce4 ffff8800b1c2dbf8
[ 3699.992018] ffffffff81008e38 0000000000000004 ffff880082d4f800 ffff880037f048c0
[ 3699.992018] Call Trace:
[ 3699.992018] [] dump_stack+0x49/0x60
[ 3699.992018] [] warn_slowpath_common+0x81/0x9b
[ 3699.992018] [] ? arch_install_hw_breakpoint+0x6b/0xf8
[ 3699.992018] [] warn_slowpath_fmt+0x46/0x48
[ 3699.992018] [] arch_install_hw_breakpoint+0x6b/0xf8
[ 3699.992018] [] hw_breakpoint_add+0x49/0x4d
[ 3699.992018] [] event_sched_in+0x8c/0x12d
[ 3699.992018] [] group_sched_in+0x4a/0x147
[ 3699.992018] [] ? sched_clock_cpu+0x8e/0xaa
[ 3699.992018] [] __perf_event_enable+0x117/0x172
[ 3699.992018] [] ? perf_event_task_output+0x13d/0x13d
[ 3699.992018] [] remote_function+0x3c/0x43
[ 3699.992018] [] smp_call_function_single+0x8a/0x101
[ 3699.992018] [] task_function_call+0x44/0x4e
[ 3699.992018] [] ? __perf_event_task_sched_in+0x10e/0x10e
[ 3699.992018] [] perf_event_enable+0x112/0x150
[ 3699.992018] [] ? perf_install_in_context+0xbc/0xbc
[ 3699.992018] [] perf_event_for_each_child+0x58/0x8b
[ 3699.992018] [] perf_event_task_enable+0x4b/0x7d
[ 3699.992018] [] SyS_prctl+0x148/0x324
[ 3699.992018] [] system_call_fastpath+0x1a/0x1f
[ 3699.992018] ---[ end trace 680f8979aa2ba0db ]---
- Seeding random number generator with 1394468495
Kernel max sample rate currently: 6250/s
[ 254.035079] WARNING: CPU: 1 PID: 10941 at arch/x86/kernel/hw_breakpoint.c:120 arch_install_hw_breakpoint+0x6b/0xf8()
[ 254.035079] Can't find any breakpoint slot
[ 254.035079] Modules linked in: cpufreq_userspace cpufreq_stats cpufreq_powersave cpufreq_conservative f71882fg ohci_pci mcs7830 acpi_cpufreq usbnet evdev coretemp wmi video psmouse serio_raw processor thermal_sys button pcspkr ohci_hcd i2c_nforce2 sg ehci_pci ehci_hcd sd_mod usbcore usb_common
[ 254.035079] CPU: 1 PID: 10941 Comm: perf_fuzzer Not tainted 3.14.0-rc6 #36
[ 254.035079] Hardware name: AOpen DE7000/nMCP7ALPx-DE R1.06 Oct.19.2012, BIOS 080015 10/19/2012
[ 254.035079] 0000000000000078 ffff8800c9f65bd8 ffffffff81531e73 0000000000000078
[ 254.035079] ffff8800c9f65c28 ffff8800c9f65c18 ffffffff8103fce4 dead000000000020
[ 254.035079] ffffffff81008e38 0000000000000004 ffff880119457000 ffff8801196f58c0
[ 254.035079] Call Trace:
[ 254.035079] [] dump_stack+0x49/0x5e
[ 254.035079] [] warn_slowpath_common+0x81/0x9b
[ 254.035079] [] ? arch_install_hw_breakpoint+0x6b/0xf8
[ 254.035079] [] warn_slowpath_fmt+0x46/0x48
[ 254.035079] [] arch_install_hw_breakpoint+0x6b/0xf8
[ 254.035079] [] hw_breakpoint_add+0x49/0x4d
[ 254.035079] [] event_sched_in+0x8c/0x12d
[ 254.035079] [] group_sched_in+0x4a/0x147
[ 254.035079] [] ? sched_clock_cpu+0x8e/0xaa
[ 254.035079] [] __perf_event_enable+0x117/0x172
[ 254.035079] [] ? perf_event_task_output+0x13d/0x13d
[ 254.035079] [] remote_function+0x3c/0x43
[ 254.035079] [] ? __pollwait+0xcc/0xcc
[ 254.035079] [] smp_call_function_single+0x8a/0x101
[ 254.035079] [] task_function_call+0x44/0x4e
[ 254.035079] [] ? __perf_event_task_sched_in+0x10e/0x10e
[ 254.035079] [] perf_event_enable+0x112/0x150
[ 254.035079] [] ? perf_install_in_context+0xbc/0xbc
[ 254.035079] [] perf_event_for_each_child+0x58/0x8b
[ 254.035079] [] perf_event_task_enable+0x4b/0x7d
[ 254.035079] [] SyS_prctl+0x148/0x324
[ 254.035079] [] tracesys+0xd4/0xd9
[ 254.035079] ---[ end trace 65e2004e88e24fea ]---