bisecting fixing commit since aec3002d07fd2564cd32e56f126fa6db14a168bb building syzkaller on 907bf74686129436f81aa40336ee89f7cc01b0b4 testing commit aec3002d07fd2564cd32e56f126fa6db14a168bb with gcc (GCC) 8.4.1 20210217 kernel signature: 6eb8eeaedb68e9397b47190d3dd8befb619e9b9853f2fe717e8c30ae9c1c2ff6 all runs: crashed: WARNING in perf_group_attach testing current HEAD eb575cd5d7f60241d016fdd13a9e86d962093c9b testing commit eb575cd5d7f60241d016fdd13a9e86d962093c9b with gcc (GCC) 8.4.1 20210217 kernel signature: ac12294998abe9604f6089388fa66038edd2c8c248b4f7f50a46638860f00be9 all runs: crashed: WARNING in perf_group_attach revisions tested: 2, total time: 22m31.985001967s (build: 15m45.68385373s, test: 6m7.726447405s) the crash still happens on HEAD commit msg: Linux 4.19.195 crash: WARNING in perf_group_attach IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready 8021q: adding VLAN 0 to HW filter on device batadv0 8021q: adding VLAN 0 to HW filter on device batadv0 8021q: adding VLAN 0 to HW filter on device batadv0 WARNING: CPU: 0 PID: 6634 at kernel/events/core.c:1840 perf_group_attach+0x3b1/0x470 kernel/events/core.c:1832 Modules linked in: CPU: 0 PID: 6634 Comm: syz-executor.0 Not tainted 4.19.195-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:perf_group_attach+0x3b1/0x470 kernel/events/core.c:1840 Code: ec 10 4c 39 e3 75 d7 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 ae 53 1d 00 e9 c8 fc ff ff e8 a4 53 1d 00 e9 fe fc ff ff <0f> 0b e9 75 fd ff ff e8 b3 53 1d 00 eb c1 e8 ac 53 1d 00 e9 6d fc RSP: 0018:ffff8881dfdefaa8 EFLAGS: 00010006 RAX: dffffc0000000000 RBX: ffff8881eada3340 RCX: 1ffff1103d5b4462 RDX: 1ffff1103d5b448b RSI: ffff8881f6831460 RDI: ffff8881eada2458 RBP: ffff8881dfdefad8 R08: ffffffff890a6018 R09: 0000000000000006 R10: fffffbfff1214c01 R11: 0000000000000001 R12: ffff8881eada2240 R13: ffffe8ffffc11bd0 R14: 0000000000000000 R15: ffff8881f6831448 FS: 00007f45049c8700(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd1b72f5740 CR3: 00000001e1ad5001 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 000000000011060a Call Trace: add_event_to_ctx kernel/events/core.c:2399 [inline] __perf_install_in_context+0x3f6/0x880 kernel/events/core.c:2540 remote_function kernel/events/core.c:87 [inline] remote_function+0xff/0x180 kernel/events/core.c:67 generic_exec_single+0x1f5/0x390 kernel/smp.c:153 smp_call_function_single+0xe5/0x370 kernel/smp.c:299 cpu_function_call kernel/events/core.c:147 [inline] perf_install_in_context+0x2c1/0x310 kernel/events/core.c:2581 __do_sys_perf_event_open+0x13fa/0x20d0 kernel/events/core.c:10924 __se_sys_perf_event_open kernel/events/core.c:10549 [inline] __x64_sys_perf_event_open+0xb9/0x140 kernel/events/core.c:10549 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x460c99 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f45049c81a8 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 000000000052bf00 RCX: 0000000000460c99 RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 0000000020000000 RBP: 0000000000000005 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000003 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004f43e0 R14: 00000000004b2242 R15: 00007f45049c86bc irq event stamp: 160 hardirqs last enabled at (159): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (159): [] _raw_spin_unlock_irq+0x27/0x80 kernel/locking/spinlock.c:192 hardirqs last disabled at (160): [] generic_exec_single+0x1ef/0x390 kernel/smp.c:152 softirqs last enabled at (0): [] copy_process.part.34+0x179c/0x76d0 kernel/fork.c:1855 softirqs last disabled at (0): [<0000000000000000>] (null) ---[ end trace d01537208ba42bd6 ]--- WARNING: CPU: 0 PID: 6677 at kernel/events/core.c:1999 INIT_LIST_HEAD include/linux/list.h:29 [inline] WARNING: CPU: 0 PID: 6677 at kernel/events/core.c:1999 list_del_init include/linux/list.h:160 [inline] WARNING: CPU: 0 PID: 6677 at kernel/events/core.c:1999 perf_event_ctx_deactivate kernel/events/core.c:1175 [inline] WARNING: CPU: 0 PID: 6677 at kernel/events/core.c:1999 event_sched_out.isra.99+0x69b/0x970 kernel/events/core.c:2026 Modules linked in: CPU: 0 PID: 6677 Comm: syz-executor.2 Tainted: G W 4.19.195-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:event_sched_out.isra.99+0x69b/0x970 kernel/events/core.c:1999 Code: 89 9d c0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 5d 02 00 00 49 89 9d c8 00 00 00 e9 39 fd ff ff <0f> 0b e9 ac f9 ff ff 65 48 8b 1c 25 40 ee 01 00 48 8d bb 84 08 00 RSP: 0018:ffff8881deaaf9c0 EFLAGS: 00010083 RAX: dffffc0000000000 RBX: ffff8881eada3340 RCX: ffffe8ffffc11bd0 RDX: 1ffff1103d5b448b RSI: ffffe8ffffc11d68 RDI: ffff8881eada2458 RBP: ffff8881deaafa10 R08: ffffed103e0902a1 R09: ffffed103e0902a0 R10: ffffed103e0902a0 R11: ffff8881f0481503 R12: ffffe8ffffc11bd0 R13: ffffe8ffffc11bd0 R14: ffff8881eada2240 R15: ffff8881eada2240 FS: 00007f4f29b5d700(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000528000 CR3: 00000001e083e005 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 000000000011060a Call Trace: group_sched_out.part.100+0x17b/0x1f0 kernel/events/core.c:2053 group_sched_out kernel/events/core.c:2042 [inline] ctx_sched_out+0x6a0/0x980 kernel/events/core.c:2964 cpu_ctx_sched_out kernel/events/core.c:3254 [inline] ctx_resched+0xc4/0xe0 kernel/events/core.c:2479 __perf_install_in_context+0x40d/0x880 kernel/events/core.c:2541 remote_function kernel/events/core.c:87 [inline] remote_function+0xff/0x180 kernel/events/core.c:67 generic_exec_single+0x1f5/0x390 kernel/smp.c:153 smp_call_function_single+0xe5/0x370 kernel/smp.c:299 cpu_function_call kernel/events/core.c:147 [inline] perf_install_in_context+0x2c1/0x310 kernel/events/core.c:2581 __do_sys_perf_event_open+0x13fa/0x20d0 kernel/events/core.c:10924 __se_sys_perf_event_open kernel/events/core.c:10549 [inline] __x64_sys_perf_event_open+0xb9/0x140 kernel/events/core.c:10549 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x460c99 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f4f29b5d1a8 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 000000000052bfa8 RCX: 0000000000460c99 RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 00000000200000c0 RBP: 0000000000000005 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004f43c8 R14: 00000000004b2232 R15: 00007f4f29b5d6bc irq event stamp: 40 hardirqs last enabled at (39): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (39): [] _raw_spin_unlock_irq+0x27/0x80 kernel/locking/spinlock.c:192 hardirqs last disabled at (40): [] generic_exec_single+0x1ef/0x390 kernel/smp.c:152 softirqs last enabled at (0): [] copy_process.part.34+0x179c/0x76d0 kernel/fork.c:1855 softirqs last disabled at (0): [<0000000000000000>] (null) ---[ end trace d01537208ba42bd7 ]--- WARNING: CPU: 0 PID: 6648 at kernel/events/core.c:1943 perf_group_detach+0x65f/0x970 kernel/events/core.c:1900 Modules linked in: CPU: 0 PID: 6648 Comm: syz-executor.4 Tainted: G W 4.19.195-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:perf_group_detach+0x65f/0x970 kernel/events/core.c:1943 Code: b8 be ff ff ff ff 48 8d 78 20 e8 9c 54 d7 ff 85 c0 0f 85 38 fa ff ff 48 c7 c7 60 fb f0 86 e8 08 ae fe 04 0f 0b e9 25 fa ff ff <0f> 0b e9 62 fb ff ff 49 8d 7c 24 10 48 b8 00 00 00 00 00 fc ff df RSP: 0018:ffff8881f6807e18 EFLAGS: 00010083 RAX: ffffed103d5b46ab RBX: ffff8881eada2240 RCX: ffffe8ffffc11bd0 RDX: ffffe8ffffc11ce0 RSI: ffff8881e1b413e0 RDI: ffff8881eada2458 RBP: ffff8881f6807e90 R08: 0000000000000000 R09: ffff8881e1b413e0 R10: ffff8881eada2260 R11: ffffe8ffffc11ce8 R12: dffffc0000000000 R13: ffff8881eada3340 R14: ffff8881f6831440 R15: ffff8881eada3340 FS: 0000000000f2c400(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000528000 CR3: 00000001e269f005 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000001100628 Call Trace: __perf_remove_from_context+0x1d4/0x440 kernel/events/core.c:2084 event_function+0x2bb/0x3d0 kernel/events/core.c:248 remote_function kernel/events/core.c:87 [inline] remote_function+0xff/0x180 kernel/events/core.c:67 flush_smp_call_function_queue+0x10e/0x3d0 kernel/smp.c:243 generic_smp_call_function_single_interrupt+0xe/0x20 kernel/smp.c:192 smp_call_function_single_interrupt+0xa0/0x440 arch/x86/kernel/smp.c:304 call_function_single_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:916 RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 kernel/locking/spinlock.c:192 Code: 12 88 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d fb 91 89 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 20 ac b9 fa 65 8b 05 99 7e 79 79 85 c0 74 05 5b RSP: 0018:ffff8881df11f920 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff04 RAX: dffffc0000000000 RBX: ffff8881f682c380 RCX: 1ffff1103bfad19d RDX: 1ffffffff1024023 RSI: ffff8881dfd68cc8 RDI: ffffffff88120118 RBP: ffff8881df11f928 R08: ffff8881dfd68ce8 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881f682c380 R13: ffff8881de834480 R14: 0000000000000000 R15: ffff8881f692c380 finish_lock_switch kernel/sched/core.c:2578 [inline] finish_task_switch+0x14a/0x6f0 kernel/sched/core.c:2678 context_switch kernel/sched/core.c:2831 [inline] __schedule+0xdbd/0x1d40 kernel/sched/core.c:3517 preempt_schedule_common+0x1f/0xe0 kernel/sched/core.c:3641 preempt_schedule+0x4d/0x60 kernel/sched/core.c:3667 ___preempt_schedule+0x16/0x18 smp_call_function_single+0x2d6/0x370 kernel/smp.c:304 cpu_function_call kernel/events/core.c:147 [inline] event_function_call+0x35e/0x3c0 kernel/events/core.c:275 perf_remove_from_context+0x85/0x140 kernel/events/core.c:2113 perf_event_release_kernel+0x12c/0xc10 kernel/events/core.c:4607 perf_release+0x32/0x50 kernel/events/core.c:4703 __fput+0x249/0x7f0 fs/file_table.c:278 ____fput+0x9/0x10 fs/file_table.c:309 task_work_run+0x108/0x180 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:193 [inline] exit_to_usermode_loop+0x1a9/0x200 arch/x86/entry/common.c:167 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x413/0x4e0 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x41429b Code: 0f 05 48 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8 63 fc ff ff 8b 7c 24 0c 41 89 c0 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 a1 fc ff ff 8b 44 RSP: 002b:00007ffcfb3b50d0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 000000000041429b RDX: 00000000000006db RSI: 0000000000000000 RDI: 0000000000000004 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000001b32720054 R10: 0000000000000000 R11: 0000000000000293 R12: 000000000052c980 R13: 000000000052c980 R14: 000000000052bf00 R15: ffffffffffffffff irq event stamp: 3252 hardirqs last enabled at (3251): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (3251): [] _raw_spin_unlock_irq+0x27/0x80 kernel/locking/spinlock.c:192 hardirqs last disabled at (3252): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (3230): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (2877): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (2877): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace d01537208ba42bd8 ]--- list_add double add: new=ffff8881e213b6e0, prev=ffff8881e213b6e0, next=ffff8881f6831550. ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:31! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 6656 Comm: syz-executor.3 Tainted: G W 4.19.195-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__list_add_valid+0xaa/0xb0 lib/list_debug.c:29 Code: e8 eb a9 48 89 f7 48 89 75 e8 e8 c1 e6 9e fe 48 8b 75 e8 eb bb 48 89 f2 48 89 d9 4c 89 e6 48 c7 c7 a0 64 1f 87 e8 66 af 80 03 <0f> 0b 0f 1f 40 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 e5 41 55 RSP: 0018:ffff8881f6807c70 EFLAGS: 00010082 RAX: 0000000000000058 RBX: ffff8881f6831550 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff871f6260 RDI: ffffffff89c856e0 RBP: ffff8881f6807c88 R08: ffffed103ed05079 R09: ffffed103ed05078 R10: ffffed103ed05078 R11: ffff8881f68283c7 R12: ffff8881e213b6e0 R13: ffff8881e213b6e0 R14: ffff8881e213b6e0 R15: ffff8881f6831558 FS: 0000000000000000(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055f6d6546b5f CR3: 000000000806d003 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 000000000111062a Call Trace: __list_add include/linux/list.h:60 [inline] list_add_tail include/linux/list.h:93 [inline] flexible_sched_in kernel/events/core.c:3336 [inline] flexible_sched_in+0x61e/0x920 kernel/events/core.c:3319 visit_groups_merge+0x251/0x5a0 kernel/events/core.c:3278 ctx_flexible_sched_in kernel/events/core.c:3367 [inline] ctx_sched_in+0x2bb/0x9c0 kernel/events/core.c:3412 cpu_ctx_sched_in kernel/events/core.c:3421 [inline] perf_event_sched_in+0x77/0x80 kernel/events/core.c:2431 ctx_resched+0x79/0xe0 kernel/events/core.c:2483 __perf_install_in_context+0x40d/0x880 kernel/events/core.c:2541 remote_function kernel/events/core.c:87 [inline] remote_function+0xff/0x180 kernel/events/core.c:67 flush_smp_call_function_queue+0x10e/0x3d0 kernel/smp.c:243 generic_smp_call_function_single_interrupt+0xe/0x20 kernel/smp.c:192 smp_call_function_single_interrupt+0xa0/0x440 arch/x86/kernel/smp.c:304 call_function_single_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:916 RIP: 0010:zap_pte_range mm/memory.c:1316 [inline] RIP: 0010:zap_pmd_range mm/memory.c:1452 [inline] RIP: 0010:zap_pud_range mm/memory.c:1481 [inline] RIP: 0010:zap_p4d_range mm/memory.c:1502 [inline] RIP: 0010:unmap_page_range+0x890/0x20c0 mm/memory.c:1523 Code: c7 c0 d8 78 dc 87 c7 85 b4 fe ff ff 00 00 00 00 48 c1 e8 03 4c 01 f8 48 89 85 f0 fe ff ff 48 89 d8 48 c1 e8 03 42 80 3c 38 00 <0f> 85 38 0e 00 00 48 8b 13 48 f7 c2 9f ff ff ff 0f 84 47 06 00 00 RSP: 0018:ffff8881df19f720 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff04 RAX: 1ffff1103c5ed74c RBX: ffff8881e2f6ba60 RCX: ffffffff814c27e0 RDX: 1ffff1103bfca19f RSI: 0000000000000004 RDI: ffff8881dfe50780 RBP: ffff8881df19f890 R08: ffffed103de830a6 R09: ffffed103de830a5 R10: ffffed103de830a5 R11: ffff8881ef41852b R12: 0000000000000000 R13: ffff8881df19f960 R14: 00007fffce74c000 R15: dffffc0000000000 unmap_single_vma+0x121/0x300 mm/memory.c:1568 unmap_vmas+0xe7/0x1a0 mm/memory.c:1598 exit_mmap+0x251/0x470 mm/mmap.c:3093 __mmput kernel/fork.c:1015 [inline] mmput+0x107/0x3f0 kernel/fork.c:1036 exit_mm kernel/exit.c:549 [inline] do_exit+0x9ce/0x2cf0 kernel/exit.c:857 do_group_exit+0xf4/0x2f0 kernel/exit.c:967 get_signal+0x316/0x19e0 kernel/signal.c:2589 do_signal+0x87/0x1960 arch/x86/kernel/signal.c:799 exit_to_usermode_loop+0x114/0x200 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+0x413/0x4e0 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x460c99 Code: Bad RIP value. RSP: 002b:00007f6b7885f1a8 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: 0000000000000005 RBX: 000000000052bf00 RCX: 0000000000460c99 RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 0000000020000000 RBP: 0000000000000005 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000003 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004f43e0 R14: 00000000004b2242 R15: 00007f6b7885f6bc Modules linked in: ---[ end trace d01537208ba42bd9 ]--- RIP: 0010:__list_add_valid+0xaa/0xb0 lib/list_debug.c:29 Code: e8 eb a9 48 89 f7 48 89 75 e8 e8 c1 e6 9e fe 48 8b 75 e8 eb bb 48 89 f2 48 89 d9 4c 89 e6 48 c7 c7 a0 64 1f 87 e8 66 af 80 03 <0f> 0b 0f 1f 40 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 e5 41 55 RSP: 0018:ffff8881f6807c70 EFLAGS: 00010082 RAX: 0000000000000058 RBX: ffff8881f6831550 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff871f6260 RDI: ffffffff89c856e0 RBP: ffff8881f6807c88 R08: ffffed103ed05079 R09: ffffed103ed05078 R10: ffffed103ed05078 R11: ffff8881f68283c7 R12: ffff8881e213b6e0 R13: ffff8881e213b6e0 R14: ffff8881e213b6e0 R15: ffff8881f6831558 FS: 0000000000000000(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000460c6f CR3: 000000000806d003 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 000000000111062a