------------[ cut here ]------------
perf buffer not large enough
WARNING: CPU: 0 PID: 9567 at kernel/trace/trace_event_perf.c:288 perf_trace_buf_alloc+0x12d/0x160 kernel/trace/trace_event_perf.c:287
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 9567 Comm: syz-executor7 Not tainted 4.16.0-rc1+ #13
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x194/0x257 lib/dump_stack.c:53
 panic+0x1e4/0x41c kernel/panic.c:183
 __warn+0x1dc/0x200 kernel/panic.c:547
 report_bug+0x211/0x2d0 lib/bug.c:184
 fixup_bug.part.11+0x37/0x80 arch/x86/kernel/traps.c:178
 fixup_bug arch/x86/kernel/traps.c:247 [inline]
 do_error_trap+0x2d7/0x3e0 arch/x86/kernel/traps.c:296
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:315
 invalid_op+0x22/0x40 arch/x86/entry/entry_64.S:988
RIP: 0010:perf_trace_buf_alloc+0x12d/0x160 kernel/trace/trace_event_perf.c:287
RSP: 0018:ffff8801aa96f550 EFLAGS: 00010286
RAX: dffffc0000000008 RBX: ffff8801aa96f640 RCX: ffffffff815aaf3e
RDX: 0000000000001cc2 RSI: ffffc90002154000 RDI: 1ffff1003552de2f
RBP: ffff8801aa96f570 R08: ffffffff86b39478 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000008034
R13: ffff8801aa96f600 R14: ffff8801aa96f680 R15: ffff8801a4e00c9c
 perf_trace_bpf_map_keyval+0x3c2/0xc30 include/trace/events/bpf.h:231
 trace_bpf_map_update_elem include/trace/events/bpf.h:277 [inline]
 map_update_elem kernel/bpf/syscall.c:731 [inline]
 SYSC_bpf kernel/bpf/syscall.c:1872 [inline]
 SyS_bpf+0x364f/0x4860 kernel/bpf/syscall.c:1843
 do_syscall_64+0x282/0x940 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x26/0x9b
RIP: 0033:0x453a59
RSP: 002b:00007ff76eb89c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007ff76eb8a6d4 RCX: 0000000000453a59
RDX: 0000000000000020 RSI: 000000002000b000 RDI: 0000000000000002
RBP: 000000000071bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000040 R14: 00000000006f06a0 R15: 0000000000000000
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..