WARNING in tracepoint_add

Kernel	Title	Repro	Cause bisect	Count	Last	Reported	Patched	Status
upstream	WARNING in tracepoint_add_func bpf trace	C	done	20635	1224d	1608d	20/28	fixed on 2021/11/10 00:50
linux-4.19	WARNING in tracepoint_add_func	C		237	639d	1577d	0/1	upstream: reported C repro on 2020/07/28 19:37
linux-4.14	WARNING in tracepoint_add_func (2)	C		122	627d	1376d	0/1	upstream: reported C repro on 2021/02/14 19:49

------------[ cut here ]------------ WARNING: CPU: 0 PID: 7528 at kernel/tracepoint.c:210 tracepoint_add_func+0x21a/0x750 kernel/tracepoint.c:210 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 7528 Comm: syz-executor.4 Not tainted 4.14.191-syzkaller #0 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+0x1b2/0x283 lib/dump_stack.c:58 panic+0x1f9/0x42d kernel/panic.c:183 __warn.cold+0x20/0x4b kernel/panic.c:547 report_bug+0x208/0x249 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+0x195/0x2d0 arch/x86/kernel/traps.c:295 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:964 RIP: 0010:tracepoint_add_func+0x21a/0x750 kernel/tracepoint.c:210 RSP: 0018:ffff888049a77b48 EFLAGS: 00010216 RAX: 0000000000040000 RBX: ffffffff87d65380 RCX: ffffc9000bf8c000 RDX: 00000000000013f4 RSI: ffffffff815cb2ca RDI: ffff8880921574b0 RBP: ffffffff813e0080 R08: 0000000000000000 R09: 00000000000406f6 R10: ffff888058356ec0 R11: ffff8880583565c0 R12: 00000000ffffffef R13: 00000000ffffffff R14: ffff888092157490 R15: dffffc0000000000 tracepoint_probe_register_prio kernel/tracepoint.c:283 [inline] tracepoint_probe_register+0x8c/0xc0 kernel/tracepoint.c:304 trace_event_reg+0x272/0x330 kernel/trace/trace_events.c:305 perf_trace_event_reg kernel/trace/trace_event_perf.c:122 [inline] perf_trace_event_init kernel/trace/trace_event_perf.c:197 [inline] perf_trace_init+0x424/0xa30 kernel/trace/trace_event_perf.c:221 perf_tp_event_init+0x79/0xf0 kernel/events/core.c:8132 perf_try_init_event+0x15b/0x1f0 kernel/events/core.c:9368 perf_init_event kernel/events/core.c:9406 [inline] perf_event_alloc.part.0+0xe2d/0x2640 kernel/events/core.c:9666 perf_event_alloc kernel/events/core.c:10019 [inline] SYSC_perf_event_open kernel/events/core.c:10123 [inline] SyS_perf_event_open+0x67f/0x24b0 kernel/events/core.c:10009 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45cc79 RSP: 002b:00007ff93dd4dc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 0000000000023980 RCX: 000000000045cc79 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080 RBP: 000000000078bf50 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 000000000078bf0c R13: 00007ffcb505f47f R14: 00007ff93dd4e9c0 R15: 000000000078bf0c Kernel Offset: disabled Rebooting in 86400 seconds..