------------[ cut here ]------------
WARNING: CPU: 0 PID: 2187 at kernel/events/core.c:1690 perf_group_attach kernel/events/core.c:1690 [inline]
WARNING: CPU: 0 PID: 2187 at kernel/events/core.c:1690 add_event_to_ctx+0x84a/0xa70 kernel/events/core.c:2291
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 2187 Comm: syz-executor820 Not tainted 4.14.141+ #0
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0xca/0x134 lib/dump_stack.c:53
 panic+0x1ea/0x3d3 kernel/panic.c:182
 __warn.cold+0x2f/0x3a kernel/panic.c:546
 report_bug+0x20a/0x248 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:177 [inline]
 fixup_bug arch/x86/kernel/traps.c:172 [inline]
 do_error_trap+0x1bf/0x2d0 arch/x86/kernel/traps.c:295
 invalid_op+0x18/0x40 arch/x86/entry/entry_64.S:963
RIP: 0010:perf_group_attach kernel/events/core.c:1690 [inline]
RIP: 0010:add_event_to_ctx+0x84a/0xa70 kernel/events/core.c:2291
RSP: 0018:ffff8881c43d7ae0 EFLAGS: 00010097
RAX: ffff8881ce0b8000 RBX: ffff8881ce074c80 RCX: 1ffff11039c35771
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: ffff8881ce074e88
RBP: ffff8881ce1aa200 R08: ffff88821ffff01c R09: ffff88821ffff008
R10: ffff88821ffff017 R11: ffff88821ffff010 R12: ffff8881db831fc0
R13: ffff8881ce1aa28c R14: ffff8881db82e8f0 R15: ffff8881ce1abb80
 __perf_install_in_context+0x241/0x2f0 kernel/events/core.c:2438
 remote_function kernel/events/core.c:87 [inline]
 remote_function+0x110/0x190 kernel/events/core.c:67
 generic_exec_single+0x1b0/0x2e0 kernel/smp.c:153
 smp_call_function_single+0x103/0x340 kernel/smp.c:299
 cpu_function_call kernel/events/core.c:141 [inline]
 perf_install_in_context+0x2c6/0x320 kernel/events/core.c:2474
 SYSC_perf_event_open kernel/events/core.c:10366 [inline]
 SyS_perf_event_open+0x19bb/0x2560 kernel/events/core.c:9988
 do_syscall_64+0x19b/0x520 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x449699
RSP: 002b:00007f5ff2291ce8 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00000000006e49f8 RCX: 0000000000449699
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000020000000
RBP: 00000000006e49f0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 00000000006e49fc
R13: 00007ffe704e8baf R14: 00007f5ff22929c0 R15: 00000000006e49fc
Kernel Offset: 0x1ce00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
Rebooting in 86400 seconds..