WARNING: CPU: 0 PID: 7886 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: 7886 Comm: syz-fuzzer Not tainted 4.19.37 #5 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+0x263/0x51d kernel/panic.c:185 __warn.cold+0x20/0x54 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:997 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 63 44 ec ff <0f> 0b e9 55 fd ff ff 48 c7 c7 a0 a0 b0 88 e8 f0 a5 22 00 e9 5b fc RSP: 0018:ffff8880ae807ea8 EFLAGS: 00010006 RAX: ffff88809543e6c0 RBX: ffff88808ae40cc0 RCX: ffffffff817efff8 RDX: 0000000000010000 RSI: ffffffff817f031d RDI: ffff88808ae40ed8 RBP: ffff8880ae807ed8 R08: ffff88809543e6c0 R09: ffffed1015d06402 R10: ffffed1015d06401 R11: ffff8880ae83200b R12: ffff88809b5f8580 R13: ffffe8ffffc13eb8 R14: 0000000000000000 R15: ffff8880ae832008 add_event_to_ctx kernel/events/core.c:2390 [inline] __perf_install_in_context+0x4b5/0x960 kernel/events/core.c:2531 remote_function kernel/events/core.c:87 [inline] remote_function+0x12b/0x1a0 kernel/events/core.c:67 flush_smp_call_function_queue+0x14a/0x500 kernel/smp.c:243 generic_smp_call_function_single_interrupt+0x13/0x2b kernel/smp.c:192 smp_call_function_single_interrupt+0xa3/0x460 arch/x86/kernel/smp.c:296 call_function_single_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:889 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline] RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x95/0xe0 kernel/locking/spinlock.c:184 Code: 48 c7 c0 48 33 72 88 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 39 48 83 3d da 7b 83 01 00 74 24 48 89 df 57 9d <0f> 1f 44 00 00 bf 01 00 00 00 e8 5c b0 5a fa 65 8b 05 45 36 13 79 RSP: 0018:ffff88809946f3c0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff04 RAX: 1ffffffff10e4669 RBX: 0000000000000286 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 0000000000000286 RBP: ffff88809946f3d0 R08: ffff88809543e6c0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880ae825b80 R13: ffff88809946f510 R14: 0000000000025b80 R15: ffff8880ae825c00 unlock_hrtimer_base kernel/time/hrtimer.c:887 [inline] hrtimer_start_range_ns+0x66b/0xc80 kernel/time/hrtimer.c:1118 hrtimer_start_expires include/linux/hrtimer.h:412 [inline] schedule_hrtimeout_range_clock+0x1a0/0x380 kernel/time/hrtimer.c:1944 schedule_hrtimeout_range+0x2b/0x40 kernel/time/hrtimer.c:1992 poll_schedule_timeout.constprop.0+0x11a/0x200 fs/select.c:243 do_select+0x12bf/0x16d0 fs/select.c:576 core_sys_select+0x564/0x870 fs/select.c:650 do_pselect+0x392/0x3f0 fs/select.c:731 __do_sys_pselect6 fs/select.c:772 [inline] __se_sys_pselect6 fs/select.c:757 [inline] __x64_sys_pselect6+0x1f4/0x280 fs/select.c:757 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45ac23 Code: 48 89 44 24 08 bf 00 00 00 00 be 00 00 00 00 ba 00 00 00 00 41 ba 00 00 00 00 49 89 e0 41 b9 00 00 00 00 b8 0e 01 00 00 0f 05 <48> 8b 6c 24 10 48 83 c4 18 c3 cc cc cc b8 ba 00 00 00 0f 05 89 44 RSP: 002b:000000c420147e38 EFLAGS: 00000206 ORIG_RAX: 000000000000010e RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 000000000045ac23 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 000000c420147e48 R08: 000000c420147e38 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000206 R12: 000000c4357b4750 R13: 0000000000000001 R14: 000000c4350c1e60 R15: 0000000000000001 Kernel Offset: disabled Rebooting in 86400 seconds..