RAX: 0000000000000000 RBX: 00007f399ae5c6d4 RCX: 0000000000453e69 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000013 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 R13: 0000000000000052 R14: 00000000006f0850 R15: 0000000000000000 WARNING: CPU: 1 PID: 23319 at kernel/tracepoint.c:242 tracepoint_remove_func kernel/tracepoint.c:242 [inline] WARNING: CPU: 1 PID: 23319 at kernel/tracepoint.c:242 tracepoint_probe_unregister+0x6b3/0x870 kernel/tracepoint.c:323 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 23319 Comm: syz-executor6 Not tainted 4.16.0-rc4+ #28 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+0x194/0x24d 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+0x1b/0x40 arch/x86/entry/entry_64.S:986 RIP: 0010:tracepoint_remove_func kernel/tracepoint.c:242 [inline] RIP: 0010:tracepoint_probe_unregister+0x6b3/0x870 kernel/tracepoint.c:323 RSP: 0018:ffff8801c56a74d0 EFLAGS: 00010246 RAX: 0000000000010000 RBX: 00000000fffffff4 RCX: ffffffff81735193 RDX: 0000000000010000 RSI: ffffc900057fa000 RDI: 0000000000000286 RBP: ffff8801c56a75e8 R08: 1ffff10038ad4ded R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801c1132dc0 R13: 0000000000000000 R14: ffff8801c1132d90 R15: ffff8801c56a75c0 trace_event_reg+0xed/0x320 kernel/trace/trace_events.c:309 perf_trace_event_unreg.isra.2+0xad/0x1f0 kernel/trace/trace_event_perf.c:155 perf_trace_destroy+0xbc/0x100 kernel/trace/trace_event_perf.c:236 tp_perf_event_destroy+0x15/0x20 kernel/events/core.c:7963 _free_event+0x3bd/0x10f0 kernel/events/core.c:4108 put_event+0x24/0x30 kernel/events/core.c:4191 perf_event_release_kernel+0x6e8/0xfc0 kernel/events/core.c:4297 perf_release+0x37/0x50 kernel/events/core.c:4307 __fput+0x327/0x7e0 fs/file_table.c:209 ____fput+0x15/0x20 fs/file_table.c:243 task_work_run+0x199/0x270 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:191 [inline] exit_to_usermode_loop+0x275/0x2f0 arch/x86/entry/common.c:166 prepare_exit_to_usermode arch/x86/entry/common.c:196 [inline] syscall_return_slowpath arch/x86/entry/common.c:265 [inline] do_syscall_64+0x6ec/0x940 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x453e69 RSP: 002b:00007f399ae5bc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 00007f399ae5c6d4 RCX: 0000000000453e69 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000013 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 R13: 0000000000000052 R14: 00000000006f0850 R15: 0000000000000000 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..