Stopping after 50000
*** perf_fuzzer 0.29-pre *** by Vince Weaver
Linux version 3.15.0-rc7+ x86_64
Processor: Intel 6/23/10
Seeding random number generator with 1401208130
/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 1401208130
Pid=7359, 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: 172039 Successful: 889
EPERM : 30
ENOENT : 1666
E2BIG : 19962
EBADF : 7227
EACCES : 319
EINVAL : 141323
ENOSPC : 169
EOPNOTSUPP : 454
Type (Hardware 204/22681)(software 368/27154)(tracepoint 91/2700
0)(Cache 43/21589)(cpu 156/27005)(breakpoint 27/27018)(#6 0/27)(#7 0/22)(#8 0/73
)(#9 0/27)(#10 0/22)(#11 0/19)(#12 0/23)(#13 0/22)(#14 0/20)(>14 0/19337)
Close attempts: 858 Successful: 858
Read attempts: 938 Successful: 846
Write attempts: 855 Successful: 0
Ioctl attempts: 856 Successful: 385
Mmap attempts: 889 Successful: 330
Prctl attempts: 927 Successful: 927
Fork attempts: 456 Successful: 456
Poll attempts: 885 Successful: 0
Access attempts: 874 Successful: 433
Trash mmap attempts: 903 Successful: 903
Overflows: 0
SIGIOs due to RT signal queue full: 0
Iteration 20000
Open attempts: 177920 Successful: 892
EPERM : 32
ENOENT : 1667
E2BIG : 20719
EBADF : 7382
EACCES : 368
EINVAL : 146224
ENOSPC : 155
EOPNOTSUPP : 481
Type (Hardware 209/23416)(software 361/28137)(tracepoint 77/2782
1)(Cache 55/22581)(cpu 171/27874)(breakpoint 19/27964)(#6 0/32)(#7 0/12)(#8 0/84
)(#9 0/21)(#10 0/26)(#11 0/23)(#12 0/37)(#13 0/18)(#14 0/22)(>14 0/19852)
Close attempts: 890 Successful: 890
Read attempts: 896 Successful: 775
Write attempts: 896 Successful: 0
Ioctl attempts: 823 Successful: 387
Mmap attempts: 892 Successful: 305
Prctl attempts: 949 Successful: 949
Fork attempts: 447 Successful: 447
Poll attempts: 893 Successful: 1
Access attempts: 898 Successful: 439
Trash mmap attempts: 880 Successful: 880
Overflows: 0
SIGIOs due to RT signal queue full: 0
[10221.092024] SysRq : HELP : loglevel(0-9) reboot(b) crash(c) terminate-all-tasks(e) memory-full-oom-kill(f) kill-all-tasks(i) thaw-filesystems(j) sak(k) show-backtrace-all-active-cpus(l) show-memory-usage(m) nice-all-RT-tasks(n) poweroff(o) show-registers(p) show-all-timers(q) unraw(r) sync(s) show-task-states(t) unmount(u) show-blocked-tasks(w) dump-ftrace-buffer(z) l
[10229.945338] SysRq : Show backtrace of all active CPUs
[10229.949328] sending NMI to all CPUs:
[10229.949328] NMI backtrace for cpu 0
[10229.949328] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 3.15.0-rc7+ #48
[10229.949328] Hardware name: AOpen DE7000/nMCP7ALPx-DE R1.06 Oct.19.2012, BIOS 080015 10/19/2012
[10229.949328] task: ffffffff81a14450 ti: ffffffff81a00000 task.ti: ffffffff81a00000
[10229.949328] RIP: 0010:[] [] delay_tsc+0x2d/0x52
[10229.949328] RSP: 0018:ffff88011fc03d28 EFLAGS: 00000087
[10229.949328] RAX: 00000000c36c7750 RBX: 0000000000000001 RCX: 00000000c36c76f1
[10229.949328] RDX: 000000000000005f RSI: 0000000000000000 RDI: 00000000002658f6
[10229.949328] RBP: ffff88011fc03d28 R08: 0000000000000000 R09: 0000000000000008
[10229.949328] R10: 0000000000000000 R11: 0000000000000005 R12: 000000000000006c
[10229.949328] R13: 0000000000000007 R14: 0000000000000096 R15: 0000000000000001
[10229.949328] FS: 0000000000000000(0000) GS:ffff88011fc00000(0000) knlGS:0000000000000000
[10229.949328] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[10229.949328] CR2: 0000000000619e21 CR3: 00000000cb239000 CR4: 00000000000407f0
[10229.949328] DR0: 0000000000000000 DR1: 0000000002338000 DR2: 000000000262f000
[10229.949328] DR3: 0000000002632000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
[10229.949328] Stack:
[10229.949328] ffff88011fc03d38 ffffffff812a6021 ffff88011fc03d58 ffffffff8102c320
[10229.949328] 0000000000000008 ffffffff81a6a560 ffff88011fc03d68 ffffffff8132b331
[10229.949328] ffff88011fc03da8 ffffffff8132b63a 0000000000012b00 ffffffff81c97220
[10229.949328] Call Trace:
[10229.949328]
[10229.949328] [] __const_udelay+0x25/0x27
[10229.949328] [] arch_trigger_all_cpu_backtrace+0x79/0x8d
[10229.949328] [] sysrq_handle_showallcpus+0xe/0x10
[10229.949328] [] __handle_sysrq+0xbf/0x15b
[10229.949328] [] handle_sysrq+0x2c/0x2e
[10229.949328] [] serial8250_rx_chars+0x13f/0x1b8
[10229.949328] [] serial8250_handle_irq+0x76/0xb5
[10229.949328] [] ? lock_timer_base+0x52/0x52
[10229.949328] [] serial8250_default_handle_irq+0x23/0x28
[10229.949328] [] serial8250_interrupt+0x42/0xb6
[10229.949328] [] ? lock_timer_base+0x52/0x52
[10229.949328] [] handle_irq_event_percpu+0x60/0x169
[10229.949328] [] handle_irq_event+0x3f/0x5b
[10229.949328] [] ? ack_apic_edge+0x36/0x3a
[10229.949328] [] handle_edge_irq+0xb7/0xe6
[10229.949328] [] handle_irq+0x27/0x2f
[10229.949328] [] do_IRQ+0x53/0xd9
[10229.949328] [] common_interrupt+0x6a/0x6a
[10229.949328]
[10229.949328] [] ? default_idle+0x1d/0x2f
[10229.949328] [] ? default_idle+0x1b/0x2f
[10229.949328] [] arch_cpu_idle+0xf/0x11
[10229.949328] [] cpu_startup_entry+0x1be/0x220
[10229.949328] [] rest_init+0x77/0x79
[10229.949328] [] start_kernel+0x3ea/0x3f7
[10229.949328] [] ? repair_env_string+0x58/0x58
[10229.949328] [] ? memblock_reserve+0x49/0x4e
[10229.949328] [] x86_64_start_reservations+0x2a/0x2c
[10229.949328] [] x86_64_start_kernel+0x145/0x14c
[10229.949328] Code: 89 e5 66 66 66 66 90 65 8b 34 25 d0 b0 00 00 66 66 90 0f ae e8 0f 31 89 c1 66 66 90 0f ae e8 0f 31 89 c2 29 ca 39 fa 73 23 f3 90 <65> 44 8b 04 25 d0 b0 00 00 44 39 c6 74 e0 29 c1 01 cf 66 66 90
[10229.956005] NMI backtrace for cpu 1
[10229.956005] CPU: 1 PID: 7359 Comm: perf_fuzzer Tainted: G W 3.15.0-rc7+ #48
[10229.956005] Hardware name: AOpen DE7000/nMCP7ALPx-DE R1.06 Oct.19.2012, BIOS 080015 10/19/2012
[10229.956005] task: ffff8800ca2c3000 ti: ffff8800c53fc000 task.ti: ffff8800c53fc000
[10229.956005] RIP: 0010:[] [] ____cache_alloc+0x50/0x29d
[10229.956005] RSP: 0018:ffff8800c53fdd18 EFLAGS: 00000006
[10229.956005] RAX: ffff8800c7108c00 RBX: ffff88011f000400 RCX: ffff88011a156180
[10229.956005] RDX: 0000000080000000 RSI: ffff88011b38ac00 RDI: ffff88011f000400
[10229.956005] RBP: ffff8800c53fdd78 R08: 00000000000080d0 R09: ffff8800ca2c3000
[10229.956005] R10: ffff8800ca2c3000 R11: 0000000000000013 R12: ffff88011f000400
[10229.956005] R13: 0000000000000000 R14: 00000000000080d0 R15: 00000000000080d0
[10229.956005] FS: 00007fa9b7107700(0000) GS:ffff88011fc80000(0000) knlGS:0000000000000000
[10229.956005] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[10229.956005] CR2: 00007f9042256fc9 CR3: 00000000c4a30000 CR4: 00000000000407e0
[10229.956005] DR0: 0000000002546000 DR1: 0000000002341000 DR2: 0000000002837000
[10229.956005] DR3: 000000000262f000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
[10229.956005] Stack:
[10229.956005] ffffea0002b8b9c0 ffff88011f002358 ffff88011f002348 ffffffff0000002c
[10229.956005] ffff88011f002368 000080d0810d027d ffff880100000001 ffff88011f000400
[10229.956005] 00000000000000d8 ffff88011f000400 00000000000080d0 00000000000080d0
[10229.956005] Call Trace:
[10229.956005] [] __kmalloc+0x8a/0xed
[10229.956005] [] ? T.1265+0xe/0x10
[10229.956005] [] T.1265+0xe/0x10
[10229.956005] [] alloc_perf_context+0x20/0x95
[10229.956005] [] find_get_context+0x130/0x1bf
[10229.956005] [] SYSC_perf_event_open+0x42b/0x808
[10229.956005] [] SyS_perf_event_open+0xe/0x10
[10229.956005] [] system_call_fastpath+0x1a/0x1f
[10229.956005] Code: 8b b4 c7 80 00 00 00 83 3e 00 74 2b c7 46 0c 01 00 00 00 8b 05 87 bf b8 00 85 c0 0f 8e 36 02 00 00 8b 55 cc 31 c9 e8 b6 ed ff ff <48> 85 c0 0f 85 14 02 00 00 41 b5 01 65 44 8b 34 25 b8 ee 00 00
[10229.949328] INFO: NMI handler (arch_trigger_all_cpu_backtrace_handler) took too long to run: 533.107 msecs