*** perf_fuzzer 0.31-pre *** by Vince Weaver
Linux version 4.8.0+ x86_64
Processor: Intel 15/6/5
Seeding random number generator with 1476389698
/proc/sys/kernel/perf_event_max_sample_rate currently: 40750/s
/proc/sys/kernel/perf_event_paranoid currently: 2
Logging perf_event_open() failures: no
Running fsync after every syscall: no
To reproduce, try: ./perf_fuzzer -s 30000 -r 1476389698
Pid=12076, 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
[ 469.072004] BAD LUCK: lost 60330898 message(s) from NMI context!
[ 469.072008] BAD LUCK: lost 6633 message(s) from NMI context!
[ 469.072008] INFO: rcu_sched detected stalls on CPUs/tasks:
[ 469.072008] BAD LUCK: lost 12456 message(s) from NMI context!
[ 469.072008] 0-...: (0 ticks this GP) idle=157/140000000000000/2 softirq=64220/64220 fqs=0
[ 469.072008] BAD LUCK: lost 15198 message(s) from NMI context!
[ 469.072008] BAD LUCK: lost 6438 message(s) from NMI context!
[ 469.072008] (detected by 1, t=15002 jiffies, g=42643, c=42642, q=635)
[ 469.072008] BAD LUCK: lost 13486 message(s) from NMI context!
[ 469.072008] Task dump for CPU 0:
[ 469.072008] BAD LUCK: lost 11048 message(s) from NMI context!
[ 469.072008] BAD LUCK: lost 6621 message(s) from NMI context!
[ 469.072008] BAD LUCK: lost 6633 message(s) from NMI context!
[ 469.072008] perf_fuzzer R running task 0 12076 455 0x10000000
[ 469.072008] BAD LUCK: lost 14367 message(s) from NMI context!
[ 469.072008] BAD LUCK: lost 6612 message(s) from NMI context!
[ 469.072008] BAD LUCK: lost 6516 message(s) from NMI context!
[ 469.072008] BAD LUCK: lost 6399 message(s) from NMI context!
[ 469.072008] BAD LUCK: lost 6312 message(s) from NMI context!
[ 469.072008] ffffffff8106e957 ffffc90001f67ea8 0000000000000000 ffffc90001f68000
[ 469.072008] BAD LUCK: lost 14016 message(s) from NMI context!
[ 469.072008] BAD LUCK: lost 6297 message(s) from NMI context!
[ 469.072008] BAD LUCK: lost 6162 message(s) from NMI context!
[ 469.072008] BAD LUCK: lost 6102 message(s) from NMI context!
[ 469.072008] BAD LUCK: lost 6051 message(s) from NMI context!
[ 469.072008] 00007ffdbe975800 ffffc90001f67f58 00007ffdbe9757f8 ffff88003a9d8c00
[ 469.072008] BAD LUCK: lost 13638 message(s) from NMI context!
[ 469.072008] BAD LUCK: lost 6156 message(s) from NMI context!
[ 469.072008] BAD LUCK: lost 6096 message(s) from NMI context!
[ 469.072008] BAD LUCK: lost 6069 message(s) from NMI context!
[ 469.072008] BAD LUCK: lost 5946 message(s) from NMI context!
[ 469.072008] ffff88003a9d8c00 0000000000000015 0000000000002401 0000000000000000
[ 469.072008] BAD LUCK: lost 13467 message(s) from NMI context!
[ 469.072008] Call Trace:
[ 469.072008] BAD LUCK: lost 9174 message(s) from NMI context!
[ 469.072008] [] ? recalc_sigpending+0x17/0x50
[ 469.072008] BAD LUCK: lost 12327 message(s) from NMI context!
[ 469.072008] [] ? SyS_ioctl+0x79/0x90
[ 469.072008] BAD LUCK: lost 11637 message(s) from NMI context!
[ 469.072008] [] ? exit_to_usermode_loop+0x69/0xa0
[ 469.072008] BAD LUCK: lost 12690 message(s) from NMI context!
[ 469.072008] [] ? do_syscall_64+0x59/0x160
[ 469.072008] BAD LUCK: lost 12120 message(s) from NMI context!
[ 469.072008] [] ? entry_SYSCALL64_slow_path+0x25/0x25
[ 469.072008] BAD LUCK: lost 12963 message(s) from NMI context!
[ 469.072008] rcu_sched kthread starved for 15002 jiffies! g42643 c42642 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x1
[ 469.072008] BAD LUCK: lost 15774 message(s) from NMI context!
[ 469.072008] BAD LUCK: lost 6132 message(s) from NMI context!
[ 469.072008] BAD LUCK: lost 6048 message(s) from NMI context!
[ 469.072008] rcu_sched S ffffffff815b80fd 0 7 2 0x10000000
[ 469.072008] BAD LUCK: lost 13293 message(s) from NMI context!
[ 469.072008] BAD LUCK: lost 6119 message(s) from NMI context!
[ 469.072008] BAD LUCK: lost 5992 message(s) from NMI context!
[ 469.072008] BAD LUCK: lost 5982 message(s) from NMI context!
[ 469.072008] BAD LUCK: lost 5958 message(s) from NMI context!
[ 469.072008] ffff88003db4f1c0 ffff88003be42000 ffff88003db4ecc0 ffff88003f417140
[ 469.072008] BAD LUCK: lost 13512 message(s) from NMI context!
[ 469.072008] BAD LUCK: lost 6075 message(s) from NMI context!
[ 469.072008] BAD LUCK: lost 5979 message(s) from NMI context!
[ 469.072008] BAD LUCK: lost 5940 message(s) from NMI context!
[ 469.072008] BAD LUCK: lost 5928 message(s) from NMI context!
[ 469.072008] ffff8800369480c0 ffffc900001cbd88 ffffffff815b80fd 0000000000000246
[ 469.072008] BAD LUCK: lost 13407 message(s) from NMI context!
[ 469.072008] BAD LUCK: lost 5979 message(s) from NMI context!
[ 469.072008] BAD LUCK: lost 5925 message(s) from NMI context!
[ 469.072008] BAD LUCK: lost 5919 message(s) from NMI context!
[ 469.072008] BAD LUCK: lost 5997 message(s) from NMI context!
[ 469.072008] 0000000000000000 ffff88003db4ecc0 ffffc900001cbdd0 ffff88003f40efc0
[ 469.072008] BAD LUCK: lost 13389 message(s) from NMI context!
[ 469.072008] Call Trace:
[ 469.072008] BAD LUCK: lost 9120 message(s) from NMI context!
[ 469.072008] [] ? __schedule+0x1ad/0x660
[ 469.072008] BAD LUCK: lost 11868 message(s) from NMI context!
[ 469.072008] [] schedule+0x36/0x80
[ 469.072008] BAD LUCK: lost 11367 message(s) from NMI context!
[ 469.072008] [] schedule_timeout+0x1fa/0x3f0
[ 469.072008] BAD LUCK: lost 12186 message(s) from NMI context!
[ 469.072008] [] ? rcu_report_qs_rnp+0x140/0x180
[ 469.072008] BAD LUCK: lost 12531 message(s) from NMI context!
[ 469.072008] [] ? __next_timer_interrupt+0xe0/0xe0
[ 469.072008] BAD LUCK: lost 12696 message(s) from NMI context!
[ 469.072008] [] ? prepare_to_swait+0x61/0x90
[ 469.072008] BAD LUCK: lost 12348 message(s) from NMI context!
[ 469.072008] [] rcu_gp_kthread+0x3c5/0x7d0
[ 469.072008] BAD LUCK: lost 12192 message(s) from NMI context!
[ 469.072008] [] ? force_qs_rnp+0x180/0x180
[ 469.072008] BAD LUCK: lost 12237 message(s) from NMI context!
[ 469.072008] [] kthread+0xdc/0x100
[ 469.072008] BAD LUCK: lost 11538 message(s) from NMI context!
[ 469.072008] [] ? kthread_park+0x60/0x60
[ 469.072008] BAD LUCK: lost 12078 message(s) from NMI context!
[ 469.072008] [] ret_from_fork+0x22/0x30