WARNING: CPU: 1 PID: 22417 at kernel/tracepoint.c:256 tracepoint_add_func kernel/tracepoint.c:256 [inline] WARNING: CPU: 1 PID: 22417 at kernel/tracepoint.c:256 tracepoint_probe_register_prio+0x216/0x790 kernel/tracepoint.c:328 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 22417 Comm: syz-executor.3 Not tainted 4.19.72 #0 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+0x172/0x1f0 lib/dump_stack.c:113 kobject: 'loop4' (00000000c4922aa5): kobject_uevent_env panic+0x263/0x507 kernel/panic.c:185 kobject: 'loop4' (00000000c4922aa5): fill_kobj_path: path = '/devices/virtual/block/loop4' __warn.cold+0x20/0x4a kernel/panic.c:540 report_bug+0x263/0x2b0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x204/0x360 arch/x86/kernel/traps.c:296 kobject: 'loop5' (00000000a9a4c53a): kobject_uevent_env do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1037 RIP: 0010:tracepoint_add_func kernel/tracepoint.c:256 [inline] RIP: 0010:tracepoint_probe_register_prio+0x216/0x790 kernel/tracepoint.c:328 kobject: 'loop5' (00000000a9a4c53a): fill_kobj_path: path = '/devices/virtual/block/loop5' Code: 48 89 f8 48 c1 e8 03 80 3c 08 00 0f 85 b1 04 00 00 48 8b 45 b8 49 3b 45 08 0f 85 21 ff ff ff 41 bd ef ff ff ff e8 da ad fe ff <0f> 0b e8 d3 ad fe ff 48 c7 c7 40 79 7d 88 e8 c7 59 86 05 44 89 e8 RSP: 0018:ffff88808c5f7a80 EFLAGS: 00010212 RAX: 0000000000040000 RBX: ffffffff89381fe0 RCX: ffffc9000c4b2000 RDX: 00000000000012a3 RSI: ffffffff816ca8b6 RDI: ffff888090349530 RBP: ffff88808c5f7ad8 R08: ffff88808944c000 R09: fffffbfff10faf29 kobject: 'loop4' (00000000c4922aa5): kobject_uevent_env R10: ffff88808c5f7a70 R11: ffffffff887d7947 R12: ffff888090349510 R13: 00000000ffffffef R14: 00000000ffffffff R15: ffffffff8148be00 kobject: 'loop4' (00000000c4922aa5): fill_kobj_path: path = '/devices/virtual/block/loop4' tracepoint_probe_register+0x2b/0x40 kernel/tracepoint.c:348 trace_event_reg+0x21b/0x350 kernel/trace/trace_events.c:306 kobject: 'loop0' (00000000957fe44e): kobject_uevent_env perf_trace_event_reg kernel/trace/trace_event_perf.c:124 [inline] perf_trace_event_init+0x4f3/0x980 kernel/trace/trace_event_perf.c:199 perf_trace_init+0x189/0x250 kernel/trace/trace_event_perf.c:223 kobject: 'loop0' (00000000957fe44e): fill_kobj_path: path = '/devices/virtual/block/loop0' perf_tp_event_init+0xa6/0x120 kernel/events/core.c:8418 perf_try_init_event+0x131/0x2f0 kernel/events/core.c:9815 perf_init_event kernel/events/core.c:9853 [inline] perf_event_alloc.part.0+0x1037/0x2f50 kernel/events/core.c:10120 kobject: 'loop5' (00000000a9a4c53a): kobject_uevent_env perf_event_alloc kernel/events/core.c:10476 [inline] __do_sys_perf_event_open+0x99f/0x2a70 kernel/events/core.c:10577 kobject: 'loop5' (00000000a9a4c53a): fill_kobj_path: path = '/devices/virtual/block/loop5' __se_sys_perf_event_open kernel/events/core.c:10466 [inline] __x64_sys_perf_event_open+0xbe/0x150 kernel/events/core.c:10466 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4598e9 kobject: 'loop0' (00000000957fe44e): kobject_uevent_env Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fd1dff3cc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00000000004598e9 RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 000000002025c000 kobject: 'loop0' (00000000957fe44e): fill_kobj_path: path = '/devices/virtual/block/loop0' RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 00007fd1dff3d6d4 R13: 00000000004c671d R14: 00000000004db7d8 R15: 00000000ffffffff Kernel Offset: disabled Rebooting in 86400 seconds..