WARNING: CPU: 0 PID: 11492 at kernel/events/core.c:1833 perf_group_attach+0x4c1/0x5a0 kernel/events/core.c:1833 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 11492 Comm: syz-executor317 Not tainted 4.20.0-rc5+ #361 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x244/0x39d lib/dump_stack.c:113 panic+0x2ad/0x55c kernel/panic.c:188 __warn.cold.8+0x20/0x45 kernel/panic.c:540 report_bug+0x254/0x2d0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:271 do_invalid_op+0x36/0x40 arch/x86/kernel/traps.c:290 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:969 RIP: 0010:perf_group_attach+0x4c1/0x5a0 kernel/events/core.c:1833 Code: 8d 7c 24 10 48 89 f8 48 c1 e8 03 42 80 3c 30 00 75 51 4d 8b 64 24 10 49 83 ec 10 4c 39 e3 75 d2 e9 f8 fe ff ff e8 7f ad e9 ff <0f> 0b e9 e0 fc ff ff e8 73 06 2d 00 e9 ea fb ff ff e8 69 06 2d 00 RSP: 0018:ffff8881dae07bb0 EFLAGS: 00010006 RAX: ffff8881d913e6c0 RBX: ffff8881b971ee00 RCX: ffffffff8195eaa6 RDX: 0000000000010000 RSI: ffffffff8195ee41 RDI: ffff8881d9025318 RBP: ffff8881dae07c48 R08: ffff8881d913e6c0 R09: 0000000000000006 R10: fffffbfff14a7201 R11: 0000000000000001 R12: ffff8881d9025100 R13: 1ffff1103b5c0f78 R14: ffffe8ffffc12c98 R15: 0000000000000000 add_event_to_ctx kernel/events/core.c:2390 [inline] __perf_install_in_context+0x5bd/0xb70 kernel/events/core.c:2531 remote_function+0x12b/0x1a0 kernel/events/core.c:87 flush_smp_call_function_queue+0x1d2/0x640 kernel/smp.c:243 generic_smp_call_function_single_interrupt+0x13/0x2b kernel/smp.c:192 smp_call_function_single_interrupt+0x12f/0x650 arch/x86/kernel/smp.c:296 call_function_single_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:826 RIP: 0010:arch_local_irq_disable arch/x86/include/asm/paravirt.h:766 [inline] RIP: 0010:__raw_spin_lock_irq include/linux/spinlock_api_smp.h:126 [inline] RIP: 0010:_raw_spin_lock_irq+0xa/0x80 kernel/locking/spinlock.c:160 Code: 5c 41 5d 5d c3 0f 0b 0f 0b e8 f2 29 e7 f9 e9 6e ff ff ff e8 e8 29 e7 f9 eb 99 66 0f 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df <55> 48 89 e5 53 48 89 fb 48 c7 c7 f8 00 52 89 48 89 fa 48 c1 ea 03 RSP: 0018:ffff8881b7617380 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff04 RAX: dffffc0000000000 RBX: ffff8881d9b72240 RCX: ffffffff817562a9 RDX: 1ffff1103b227db9 RSI: ffffffff817564bd RDI: ffff8881d19de848 RBP: ffff8881b76173b8 R08: ffff8881d913e6c0 R09: ffffed103b36e448 R10: ffffed103b36e448 R11: ffff8881d9b72247 R12: ffff8881d913e6c0 R13: ffff8881d913eae0 R14: 0000000000000000 R15: 0000000000000000 do_exit+0x4b7/0x26d0 kernel/exit.c:846 do_group_exit+0x177/0x440 kernel/exit.c:970 get_signal+0x8b0/0x1980 kernel/signal.c:2517 do_signal+0x9c/0x21c0 arch/x86/kernel/signal.c:816 exit_to_usermode_loop+0x2e5/0x380 arch/x86/entry/common.c:162 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x446619 Code: e8 0c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f59ecdbfdb8 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: 0000000000000005 RBX: 00000000006dbc28 RCX: 0000000000446619 RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 00000000200000c0 RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000003 R11: 0000000000000246 R12: 00000000006dbc2c R13: 00007ffc2bee68af R14: 00007f59ecdc09c0 R15: 00000000006dbc20 Kernel Offset: disabled Rebooting in 86400 seconds..