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-mmots-kasan-gce-6,10.128.0.14' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   32.653426] perf buffer not large enough
[   32.653478] ------------[ cut here ]------------
[   32.662417] WARNING: CPU: 0 PID: 2982 at kernel/trace/trace_event_perf.c:274 perf_trace_buf_alloc+0x12d/0x160
[   32.672763] Kernel panic - not syncing: panic_on_warn set ...
[   32.672763] 
[   32.680134] CPU: 0 PID: 2982 Comm: syzkaller870535 Not tainted 4.13.0-mm1+ #7
[   32.687404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   32.696754] Call Trace:
[   32.699339]  dump_stack+0x194/0x257
[   32.702974]  ? arch_local_irq_restore+0x53/0x53
[   32.707657]  panic+0x1e4/0x417
[   32.710859]  ? __warn+0x1d9/0x1d9
[   32.714309]  ? show_regs_print_info+0x65/0x65
[   32.718814]  ? perf_trace_buf_alloc+0x12d/0x160
[   32.723473]  __warn+0x1c4/0x1d9
[   32.726741]  ? perf_trace_buf_alloc+0x12d/0x160
[   32.731406]  report_bug+0x211/0x2d0
[   32.735038]  fixup_bug+0x40/0x90
[   32.738407]  do_trap+0x260/0x390
[   32.741780]  do_error_trap+0x120/0x390
[   32.745662]  ? do_trap+0x390/0x390
[   32.749199]  ? perf_trace_buf_alloc+0x12d/0x160
[   32.753853]  ? vprintk_emit+0x3ea/0x590
[   32.757824]  ? find_held_lock+0x39/0x1d0
[   32.761889]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   32.766731]  do_invalid_op+0x1b/0x20
[   32.770438]  invalid_op+0x18/0x20
[   32.773877] RIP: 0010:perf_trace_buf_alloc+0x12d/0x160
[   32.779134] RSP: 0018:ffff8801ce9e7760 EFLAGS: 00010286
[   32.784497] RAX: 000000000000001c RBX: 1ffff10039d3cefe RCX: 0000000000000000
[   32.791761] RDX: 000000000000001c RSI: 1ffff10039d3ceac RDI: ffffed0039d3cee0
[   32.799018] RBP: ffff8801ce9e7780 R08: ffff8801ce9e6e50 R09: 0000000000000000
[   32.806274] R10: ffff8801d048c440 R11: 0000000000000000 R12: 0000000000000e54
[   32.813545] R13: ffff8801ce9e7810 R14: ffff8801ce9e7890 R15: ffff8801ce8ec000
[   32.820859]  perf_trace_bpf_map_keyval+0x260/0xbd0
[   32.825785]  ? lock_downgrade+0x990/0x990
[   32.829940]  ? perf_trace_bpf_map_create+0x9b0/0x9b0
[   32.835070]  ? trace_hardirqs_on+0xd/0x10
[   32.839223]  ? __htab_percpu_map_update_elem+0x6a7/0xa40
[   32.844683]  ? rcu_pm_notify+0xc0/0xc0
[   32.848577]  ? perf_trace_bpf_map_create+0x9b0/0x9b0
[   32.853671]  SyS_bpf+0x33f4/0x46a0
[   32.857209]  ? bpf_prog_get+0x20/0x20
[   32.861038]  ? __lock_is_held+0xbc/0x140
[   32.865124]  ? __fd_install+0x2f7/0x6a0
[   32.869089]  ? __mutex_unlock_slowpath+0xe9/0xac0
[   32.873930]  ? get_unused_fd_flags+0x190/0x190
[   32.878521]  ? do_raw_spin_trylock+0x190/0x190
[   32.883090]  ? add_event_to_ctx+0x14e0/0x14e0
[   32.887594]  ? mark_held_locks+0xb2/0x100
[   32.891744]  ? _raw_spin_unlock_irqrestore+0x31/0xba
[   32.896853]  ? fd_install+0x4d/0x60
[   32.900473]  ? SYSC_perf_event_open+0x4c3/0x2e00
[   32.905219]  ? handle_mm_fault+0x410/0x8d0
[   32.909444]  ? down_read_trylock+0xdb/0x170
[   32.913777]  ? perf_event_set_output+0x5a0/0x5a0
[   32.918529]  ? up_read+0x1a/0x40
[   32.921883]  ? __do_page_fault+0x35b/0xb60
[   32.926116]  ? do_page_fault+0xee/0x720
[   32.930112]  ? entry_SYSCALL_64_fastpath+0x5/0xbe
[   32.934950]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   32.939715]  entry_SYSCALL_64_fastpath+0x1f/0xbe
[   32.944464] RIP: 0033:0x43fe39
[   32.947641] RSP: 002b:00007ffd17551938 EFLAGS: 00000207 ORIG_RAX: 0000000000000141
[   32.955346] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 000000000043fe39
[   32.962604] RDX: 0000000000000020 RSI: 000000002000b000 RDI: 0000000000000002
[   32.969866] RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000
[   32.977124] R10: 0000000000000000 R11: 0000000000000207 R12: 00000000004017a0
[   32.984380] R13: 0000000000401830 R14: 0000000000000000 R15: 0000000000000000
[   32.991991] Dumping ftrace buffer:
[   32.995733]    (ftrace buffer empty)
[   32.999434] Kernel Offset: disabled
[   33.003060] Rebooting in 86400 seconds..