*** perf_fuzzer 0.31-pre *** by Vince Weaver
Linux version 4.1.0-rc7+ x86_64
Processor: Intel 6/60/3
Seeding random number generator with 1434153687
/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 -s 30000 -r 1434153687
Pid=8654, 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:
==================================================
FILTER FAILED compaction:mm_compaction_begin zone_start<965
FILTER SUCCEDED ext4:ext4_es_find_delayed_extent_range_exit (status!=467)
FILTER SUCCEDED ext4:ext4_other_inode_update_time (common_preempt_count&201)
FILTER FAILED ftrace:function common_pid<=922
FILTER FAILED ftrace:function ((parent_ip>103)common_flags==342)
Iteration 10000
Open attempts: 150513 Successful: 937 Currently open: 103
EPERM : 16
ENOENT : 892
E2BIG : 13241
EBADF : 12564
EACCES : 608
EBUSY : 2
EINVAL : 121894
EOPNOTSUPP : 359
Type (Hardware 197/20981)(software 367/21960)(tracepoint 59/21721)(Cache 53/18838)(cpu 198/21630)(breakpoint 21/21378)(power 0/2710)(intel_bts 42/2768)(uncore_imc 0/2859)(#9 0/20)(#10 0/13)(#11 0/5)(#12 0/14)(#13 0/13)(#14 0/14)(>14 0/15589)
Close: 834/834 Successful
Read: 832/907 Successful
Write: 0/910 Successful
Ioctl: 414/917 Successful: (ENABLE 87/87)(DISABLE 94/94)(REFRESH 8/93)(RESET 98/98)(PERIOD 15/101)(SET_OUTPUT 10/92)(SET_FILTER 2/67)(ID 100/100)(SET_BPF 0/108)(#9 0/0)(#10 0/0)(#11 0/0)(#12 0/0)(#13 0/0)(#14 0/0)(>14 0/77)
Mmap: 442/1105 Successful: (MMAP 442/1105)(TRASH 100/136)(READ 36/162)(UNMAP 437/992)(AUX 0/276)(AUX_READ 3/14)
Prctl: 895/895 Successful
Fork: 428/428 Successful
Poll: 873/899 Successful
Access: 453/919 Successful
Overflows: 17
SIGIOs due to RT signal queue full: 0
FILTER FAILED ext4:ext4_ext_put_in_cache (common_flags>213)
FILTER FAILED ext4:ext4_ext_put_in_cache (start!=152)
[43108.400112] ------------[ cut here ]------------
[43108.405520] WARNING: CPU: 1 PID: 8654 at kernel/trace/trace_events_filter.c:1640 replace_preds+0x4f2/0x9b0()
[43108.405520] WARNING: CPU: 1 PID: 8654 at kernel/trace/trace_events_filter.c:1640 replace_preds+0x4f2/0x9b0()
[43108.416413] Modules linked in: fuse x86_pkg_temp_thermal intel_powerclamp snd_hda_codec_realtek intel_rapl iosf_mbi snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel coretemp snd_hda_controller kvm_intel kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec snd_hda_core aesni_intel snd_hwdep tpm_tis ppdev i915 iTCO_wdt evdev iTCO_vendor_support snd_pcm aes_x86_64 snd_timer lrw snd tpm gf128mul soundcore glue_helper ablk_helper cryptd psmouse drm_kms_helper lpc_ich serio_raw pcspkr parport_pc mei_me mfd_core parport mei drm battery i2c_i801 video i2c_algo_bit wmi processor button sg sr_mod sd_mod cdrom ehci_pci ehci_hcd xhci_pci ahci xhci_hcd libahci libata e1000e crc32c_intel ptp fan scsi_mod usbcore pps_core usb_common thermal thermal_sys
[43108.493166] CPU: 1 PID: 8654 Comm: perf_fuzzer Tainted: G W 4.1.0-rc7+ #155
[43108.502259] Hardware name: LENOVO 10AM000AUS/SHARKBAY, BIOS FBKT72AUS 01/26/2014
[43108.510634] ffffffff81a1abb0 ffff8800c61c3cb8 ffffffff816d7229 0000000000000000
[43108.519088] 0000000000000000 ffff8800c61c3cf8 ffffffff81072eba ffffffff814238ec
[43108.527630] ffff880036cd6408 ffff88003665ca90 0000000000000000 ffff880036cd6400
[43108.536122] Call Trace:
[43108.539190] [] dump_stack+0x45/0x57
[43108.545169] [] warn_slowpath_common+0x8a/0xc0
[43108.552047] [] ? _kstrtoull+0x2c/0x90
[43108.558182] [] warn_slowpath_null+0x1a/0x20
[43108.564879] [] replace_preds+0x4f2/0x9b0
[43108.571222] [] ? ftrace_profile_set_filter+0x23/0x100
[43108.578790] [] create_filter+0x82/0xb0
[43108.584987] [] ftrace_profile_set_filter+0x54/0x100
[43108.592361] [] ? strndup_user+0x4b/0xc0
[43108.598696] [] perf_ioctl+0x170/0x4d0
[43108.604827] [] ? __do_page_fault+0x1d1/0x460
[43108.611547] [] do_vfs_ioctl+0x2e0/0x4e0
[43108.617817] [] ? __perf_sw_event+0x65/0xa0
[43108.624373] [] ? __do_page_fault+0x2ad/0x460
[43108.631122] [] SyS_ioctl+0x81/0xa0
[43108.637044] [] system_call_fastpath+0x16/0x7a
[43108.643875] ---[ end trace 2ea55cf8a8b076c8 ]---
FILTER FAILED ext4:ext4_truncate_exit (((dev<=913)blocks==916)common_type&756)