WARNING: CPU: 0 PID: 17604 at kernel/events/core.c:1833 perf_group_attach+0x3fd/0x4d0 kernel/events/core.c:1833 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 17604 Comm: syz-executor.3 Not tainted 4.19.51 #23 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 panic+0x263/0x507 kernel/panic.c:185 __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 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1013 RIP: 0010:perf_group_attach+0x3fd/0x4d0 kernel/events/core.c:1833 Code: ff 48 8d 7b 10 48 89 f8 48 c1 e8 03 42 80 3c 28 00 75 57 48 8b 5b 10 48 83 eb 10 49 39 dc 75 d4 e9 20 ff ff ff e8 b3 47 ec ff <0f> 0b e9 55 fd ff ff 48 c7 c7 40 a8 b0 88 e8 d0 ab 22 00 e9 5b fc RSP: 0018:ffff8880ae807ea8 EFLAGS: 00010006 RAX: ffff888055b8c380 RBX: ffff88807d6ff340 RCX: ffffffff817ebc18 RDX: 0000000000010000 RSI: ffffffff817ebf3d RDI: ffff88807d6ff558 RBP: ffff8880ae807ed8 R08: ffff888055b8c380 R09: ffffed1015d0640a R10: ffffed1015d06409 R11: ffff8880ae83204b R12: ffff8880a47472c0 R13: ffffe8ffffc13f48 R14: 0000000000000000 R15: ffff8880ae832048 add_event_to_ctx kernel/events/core.c:2391 [inline] __perf_install_in_context+0x4b5/0x960 kernel/events/core.c:2532 remote_function kernel/events/core.c:87 [inline] remote_function+0x129/0x1a0 kernel/events/core.c:67 flush_smp_call_function_queue+0x147/0x4f0 kernel/smp.c:243 generic_smp_call_function_single_interrupt+0x13/0x2b kernel/smp.c:192 smp_call_function_single_interrupt+0x9d/0x450 arch/x86/kernel/smp.c:296 call_function_single_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:891 RIP: 0010:check_preemption_disabled+0x0/0x290 lib/smp_processor_id.c:12 Code: f7 ff ff e8 62 2b 1a fe 48 8b bd 18 ff ff ff e8 d6 bd 7c fe e9 6d ec ff ff e8 6c be 7c fe e9 28 f1 ff ff 90 90 90 90 90 90 90 <55> 48 89 e5 41 57 41 56 49 89 f6 41 55 41 54 49 89 fc 53 48 83 ec RSP: 0018:ffff88805c6bf880 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff04 RAX: ffff888055b8c380 RBX: 0000000000023980 RCX: ffffffff81b081b1 RDX: 0000000000000000 RSI: ffffffff8781afe0 RDI: ffffffff8781b020 RBP: ffff88805c6bf888 R08: ffff888055b8c380 R09: 0000000000000000 R10: ffff888055b8cc00 R11: 97110f47370461e4 R12: ffff888080f1bdc0 R13: dffffc0000000000 R14: ffff888080f1bdc0 R15: ffffffff81b08148 rcu_dynticks_curr_cpu_in_eqs+0x17/0xb0 kernel/rcu/tree.c:348 rcu_is_watching+0x10/0x30 kernel/rcu/tree.c:1025 rcu_read_lock include/linux/rcupdate.h:628 [inline] dput+0x41e/0x690 fs/dcache.c:832 proc_flush_task_mnt fs/proc/base.c:3077 [inline] proc_flush_task+0x3af/0x4d0 fs/proc/base.c:3118 release_task+0x18c/0x1630 kernel/exit.c:196 exit_notify kernel/exit.c:746 [inline] do_exit+0x14fa/0x2fa0 kernel/exit.c:896 do_group_exit+0x135/0x370 kernel/exit.c:979 get_signal+0x3ec/0x1fc0 kernel/signal.c:2574 do_signal+0x95/0x1960 arch/x86/kernel/signal.c:821 exit_to_usermode_loop+0x244/0x2c0 arch/x86/entry/common.c:163 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x53d/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4592c9 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:00007f8983a8bcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 000000000075c078 RCX: 00000000004592c9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000075c078 RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075c07c R13: 00007ffd9751c77f R14: 00007f8983a8c9c0 R15: 000000000075c07c Kernel Offset: disabled Rebooting in 86400 seconds..