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WARNING: CPU: 0 PID: 4034 at kernel/events/core.c:1690 perf_group_attach kernel/events/core.c:1690 [inline]
WARNING: CPU: 0 PID: 4034 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: 4034 Comm: syz-executor032 Not tainted 4.14.141+ #0
Call Trace:
 <IRQ>
 __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: 0000:ffff8881dba07ec8 EFLAGS: 00010006
RAX: ffff8881cc7d9780 RBX: ffff8881cc146600 RCX: 1ffff1103983c661
RDX: 0000000000010000 RSI: 00000000ffffffff RDI: ffff8881cc146808
RBP: ffff8881cc1e2200 R08: ffff88821ffff01c R09: ffff88821ffff008
R10: ffff88821ffff017 R11: ffff88821ffff010 R12: ffff8881dba31fc0
R13: ffff8881cc1e228c R14: ffff8881dba2e8f0 R15: ffff8881cc1e3300
 __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
 flush_smp_call_function_queue+0xae/0x320 kernel/smp.c:243
 smp_call_function_single_interrupt+0xc7/0x530 arch/x86/kernel/smp.c:296
 call_function_single_interrupt+0x8c/0xa0 arch/x86/entry/entry_64.S:814
 </IRQ>
RIP: 0010:pmd_alloc include/linux/mm.h:1738 [inline]
RIP: 0010:__handle_mm_fault+0x2bc/0x2700 mm/memory.c:4080
RSP: 0000:ffff8881cc287ce8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff04
RAX: dffffc0000000000 RBX: 1ffff11039850fa3 RCX: 1ffffffff1e11bd8
RDX: 1ffff11039921200 RSI: ffff8881ccaa6000 RDI: 00000001cc909067
RBP: ffffffff8f08dec0 R08: 0000000000000001 R09: 0000000000000001
R10: fffffbfff1e85ba5 R11: ffffffff8f42dd2b R12: 00000000004ccc70
R13: ffff8881cc626880 R14: ffff888000000000 R15: ffff8881cc909000
 handle_mm_fault+0x2f1/0x6da mm/memory.c:4150
 __do_page_fault+0x477/0xbb0 arch/x86/mm/fault.c:1420
 page_fault+0x42/0x50 arch/x86/entry/entry_64.S:1122
RIP: 6e0320:0x3
RSP: 0001:00007fff8970b7c0 EFLAGS: 00000001
Kernel Offset: 0xbc00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
Rebooting in 86400 seconds..