INIT: Entering runlevel: 2

[info] Using makefile-style concurrent boot in runlevel 2.
[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

Warning: Permanently added 'ci-upstream-kasan-gce-386-4,10.128.0.20' (ECDSA) to the list of known hosts.
2017/10/02 19:01:20 parsed 1 programs
2017/10/02 19:01:20 executed programs: 0
syzkaller login: [   39.667426] perf buffer not large enough
[   39.667471] ------------[ cut here ]------------
[   39.676429] WARNING: CPU: 0 PID: 3010 at kernel/trace/trace_event_perf.c:274 perf_trace_buf_alloc+0x12d/0x160
[   39.686680] Kernel panic - not syncing: panic_on_warn set ...
[   39.686680] 
[   39.694019] CPU: 0 PID: 3010 Comm: syz-executor0 Not tainted 4.14.0-rc3+ #22
[   39.701182] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   39.710509] Call Trace:
[   39.713073]  dump_stack+0x194/0x257
[   39.716672]  ? arch_local_irq_restore+0x53/0x53
[   39.721326]  panic+0x1e4/0x417
[   39.724488]  ? __warn+0x1d9/0x1d9
[   39.727913]  ? show_regs_print_info+0x65/0x65
[   39.732393]  ? perf_trace_buf_alloc+0x12d/0x160
[   39.737032]  __warn+0x1c4/0x1d9
[   39.740283]  ? perf_trace_buf_alloc+0x12d/0x160
[   39.744926]  report_bug+0x211/0x2d0
[   39.748529]  fixup_bug+0x40/0x90
[   39.751867]  do_trap+0x260/0x390
[   39.755213]  do_error_trap+0x120/0x390
[   39.759069]  ? vprintk_emit+0x49b/0x590
[   39.763017]  ? do_trap+0x390/0x390
[   39.766529]  ? perf_trace_buf_alloc+0x12d/0x160
[   39.771167]  ? vprintk_emit+0x3ea/0x590
[   39.775116]  ? find_held_lock+0x39/0x1d0
[   39.779154]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   39.783978]  do_invalid_op+0x1b/0x20
[   39.787665]  invalid_op+0x18/0x20
[   39.791088] RIP: 0010:perf_trace_buf_alloc+0x12d/0x160
[   39.796331] RSP: 0018:ffff8801cdca75c8 EFLAGS: 00010282
[   39.801666] RAX: 000000000000001c RBX: 1ffff10039b94ecb RCX: 0000000000000000
[   39.808905] RDX: 000000000000001c RSI: 1ffff10039b94e79 RDI: ffffed0039b94ead
[   39.816145] RBP: ffff8801cdca75e8 R08: ffff8801cdca6cb8 R09: 0000000000000000
[   39.823384] R10: ffff8801ce1e6080 R11: 0000000000000000 R12: 0000000000000e54
[   39.830625] R13: ffff8801cdca7678 R14: ffff8801cdca76f8 R15: ffff8801ce3bccc0
[   39.837884]  ? perf_trace_buf_alloc+0x12d/0x160
[   39.842529]  perf_trace_bpf_map_keyval+0x260/0xbd0
[   39.847428]  ? lock_downgrade+0x990/0x990
[   39.851558]  ? perf_trace_bpf_map_create+0x9b0/0x9b0
[   39.856632]  ? trace_hardirqs_on+0xd/0x10
[   39.860754]  ? __htab_percpu_map_update_elem+0x6a7/0xa40
[   39.866185]  ? rcu_pm_notify+0xc0/0xc0
[   39.870050]  ? perf_trace_bpf_map_create+0x9b0/0x9b0
[   39.875127]  SyS_bpf+0x33f4/0x46a0
[   39.878646]  ? bpf_prog_get+0x20/0x20
[   39.882437]  ? do_futex+0x780/0x20d0
[   39.886123]  ? __lock_is_held+0xbc/0x140
[   39.890167]  ? exit_robust_list+0x240/0x240
[   39.894459]  ? __mutex_unlock_slowpath+0xe9/0xac0
[   39.899282]  ? get_unused_fd_flags+0x190/0x190
[   39.903839]  ? do_raw_spin_trylock+0x190/0x190
[   39.908388]  ? add_event_to_ctx+0x14e0/0x14e0
[   39.912857]  ? mark_held_locks+0xb2/0x100
[   39.916978]  ? _raw_spin_unlock_irqrestore+0x31/0xba
[   39.922063]  ? fd_install+0x4d/0x60
[   39.925670]  ? SYSC_perf_event_open+0x4c3/0x2e00
[   39.930411]  ? perf_event_set_output+0x5a0/0x5a0
[   39.935161]  ? handle_mm_fault+0x410/0x8d0
[   39.939365]  ? down_read_trylock+0xdb/0x170
[   39.943656]  ? __do_page_fault+0x31e/0xd60
[   39.947869]  ? compat_SyS_futex+0x288/0x380
[   39.952165]  ? compat_SyS_get_robust_list+0x300/0x300
[   39.957336]  ? do_fast_syscall_32+0x158/0xf05
[   39.961803]  ? bpf_prog_get+0x20/0x20
[   39.965574]  do_fast_syscall_32+0x3f2/0xf05
[   39.969873]  ? do_int80_syscall_32+0x940/0x940
[   39.974425]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   39.979157]  ? lockdep_sys_exit+0x47/0xf0
[   39.983285]  ? syscall_return_slowpath+0x2b3/0x510
[   39.988190]  ? sysret32_from_system_call+0x5/0x3b
[   39.993007]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   39.997826]  entry_SYSENTER_compat+0x51/0x60
[   40.002204] RIP: 0023:0xf7f7bc79
[   40.005537] RSP: 002b:00000000ffdfcd5c EFLAGS: 00000296 ORIG_RAX: 0000000000000165
[   40.013216] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 000000002000b000
[   40.020455] RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000
[   40.027697] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   40.034934] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[   40.042182] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   40.049573] Dumping ftrace buffer:
[   40.053128]    (ftrace buffer empty)
[   40.056808] Kernel Offset: disabled
[   40.060413] Rebooting in 86400 seconds..