[ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty1. [ OK ] Started Getty on tty2. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.49' (ECDSA) to the list of known hosts. syzkaller login: [ 62.366884][ T6863] IPVS: ftp: loaded support on port[0] = 21 [ 62.367125][ T6860] IPVS: ftp: loaded support on port[0] = 21 [ 62.377557][ T6865] IPVS: ftp: loaded support on port[0] = 21 [ 62.394547][ T6862] IPVS: ftp: loaded support on port[0] = 21 [ 62.404778][ T6857] IPVS: ftp: loaded support on port[0] = 21 [ 62.415626][ T6864] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 69.375800][T10048] ------------[ cut here ]------------ [ 69.383509][T10069] ------------[ cut here ]------------ [ 69.383528][T10070] ------------[ cut here ]------------ [ 69.388999][T10069] ODEBUG: free active (active state 1) object type: rcu_head hint: 0x0 [ 69.394436][T10070] ODEBUG: free active (active state 1) object type: rcu_head hint: 0x0 [ 69.403079][T10069] WARNING: CPU: 0 PID: 10069 at lib/debugobjects.c:485 debug_print_object+0x160/0x250 [ 69.411264][T10070] WARNING: CPU: 1 PID: 10070 at lib/debugobjects.c:485 debug_print_object+0x160/0x250 [ 69.420366][T10069] Kernel panic - not syncing: panic_on_warn set ... [ 69.429880][T10070] Modules linked in: [ 69.436449][T10069] CPU: 0 PID: 10069 Comm: syz-executor624 Not tainted 5.9.0-rc2-syzkaller #0 [ 69.440325][T10070] CPU: 1 PID: 10070 Comm: syz-executor624 Not tainted 5.9.0-rc2-syzkaller #0 [ 69.449050][T10069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.457777][T10070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.467806][T10069] Call Trace: [ 69.477850][T10070] RIP: 0010:debug_print_object+0x160/0x250 [ 69.481109][T10069] dump_stack+0x18f/0x20d [ 69.486883][T10070] Code: dd e0 26 94 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd e0 26 94 88 48 c7 c7 40 1c 94 88 e8 82 3b a6 fd <0f> 0b 83 05 83 54 13 07 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 [ 69.491192][T10069] panic+0x2e3/0x75c [ 69.510786][T10070] RSP: 0018:ffffc9000d867dd0 EFLAGS: 00010082 [ 69.514689][T10069] ? __warn_printk+0xf3/0xf3 [ 69.520714][T10070] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 69.520727][T10070] RDX: ffff8880908ce3c0 RSI: ffffffff815dafc7 RDI: fffff52001b0cfac [ 69.525297][T10069] ? console_unlock+0xac8/0xf30 [ 69.533234][T10070] RBP: 0000000000000002 R08: 0000000000000001 R09: ffff8880ae720f8b [ 69.533248][T10070] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff89bd6780 [ 69.541204][T10069] ? __warn.cold+0x5/0x4a [ 69.546022][T10070] R13: 0000000000000000 R14: dead000000000100 R15: dffffc0000000000 [ 69.553977][T10069] ? __warn+0xd6/0x1f2 [ 69.561922][T10070] FS: 00007fd1a3b7b700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 69.566228][T10069] ? debug_print_object+0x160/0x250 [ 69.574168][T10070] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.578212][T10069] __warn.cold+0x20/0x4a [ 69.587102][T10070] CR2: 00007fd1a3b38e78 CR3: 0000000090dd1000 CR4: 00000000001506e0 [ 69.587115][T10070] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 69.592293][T10069] ? debug_print_object+0x160/0x250 [ 69.598839][T10070] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 69.598847][T10070] Call Trace: [ 69.603072][T10069] report_bug+0x1bd/0x210 [ 69.611022][T10070] debug_check_no_obj_freed+0x301/0x41c [ 69.618972][T10069] handle_bug+0x38/0x90 [ 69.624146][T10070] kmem_cache_free.part.0+0x16d/0x1f0 [ 69.632093][T10069] ? __warn_printk+0xc6/0xf3 [ 69.635362][T10070] task_work_run+0xdd/0x190 [ 69.639663][T10069] exc_invalid_op+0x14/0x40 [ 69.645200][T10070] exit_to_user_mode_prepare+0x195/0x1c0 [ 69.649334][T10069] asm_exc_invalid_op+0x12/0x20 [ 69.654696][T10070] syscall_exit_to_user_mode+0x59/0x2b0 [ 69.659260][T10069] RIP: 0010:debug_print_object+0x160/0x250 [ 69.663734][T10070] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 69.668207][T10069] Code: dd e0 26 94 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd e0 26 94 88 48 c7 c7 40 1c 94 88 e8 82 3b a6 fd <0f> 0b 83 05 83 54 13 07 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 [ 69.673807][T10070] RIP: 0033:0x446a49 [ 69.678622][T10069] RSP: 0018:ffffc9000e2f7dd0 EFLAGS: 00010082 [ 69.684155][T10070] Code: e8 8c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 7b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 69.689928][T10069] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 69.695781][T10070] RSP: 002b:00007fd1a3b7adb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9 [ 69.715376][T10069] RDX: ffff888097b660c0 RSI: ffffffff815dafc7 RDI: fffff52001c5efac [ 69.719243][T10070] RAX: 0000000000000000 RBX: 00000000006dbc48 RCX: 0000000000446a49 [ 69.725374][T10069] RBP: 0000000000000001 R08: 0000000000000001 R09: ffff8880ae620f8b [ 69.744959][T10070] RDX: 0000000000000003 RSI: 0000000000000001 RDI: 0000000000000004 [ 69.753012][T10069] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff89bd6780 [ 69.753025][T10069] R13: 0000000000000000 R14: dead000000000100 R15: dffffc0000000000 [ 69.761400][T10070] RBP: 00000000006dbc40 R08: 0000000000000000 R09: 0000000000000000 [ 69.761413][T10070] R10: 0000000020000000 R11: 0000000000000246 R12: 00000000006dbc4c [ 69.769383][T10069] ? vprintk_func+0x97/0x1a6 [ 69.777312][T10070] R13: 00007ffd4306310f R14: 00007fd1a3b7b9c0 R15: 0000000000000064 [ 69.777330][T10070] irq event stamp: 870 [ 69.785318][T10069] debug_check_no_obj_freed+0x301/0x41c [ 69.793260][T10070] hardirqs last enabled at (869): [] call_rcu+0x360/0x7e0 [ 69.801229][T10069] kmem_cache_free.part.0+0x16d/0x1f0 [ 69.809195][T10070] hardirqs last disabled at (870): [] kmem_cache_free.part.0+0x3e/0x1f0 [ 69.817150][T10069] task_work_run+0xdd/0x190 [ 69.825096][T10070] softirqs last enabled at (448): [] asm_call_on_stack+0xf/0x20 [ 69.825115][T10070] softirqs last disabled at (271): [] asm_call_on_stack+0xf/0x20 [ 69.829684][T10069] exit_to_user_mode_prepare+0x195/0x1c0 [ 69.837621][T10070] ---[ end trace 582bc9a367d5fc8c ]--- [ 69.841675][T10069] syscall_exit_to_user_mode+0x59/0x2b0 [ 69.847181][T10070] ------------[ cut here ]------------ [ 69.855920][T10069] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 69.861267][T10070] ODEBUG: free active (active state 1) object type: rcu_head hint: 0x0 [ 69.871121][T10069] RIP: 0033:0x446a49 [ 69.876027][T10070] WARNING: CPU: 1 PID: 10070 at lib/debugobjects.c:485 debug_print_object+0x160/0x250 [ 69.884855][T10069] Code: e8 8c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 7b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 69.894100][T10070] Modules linked in: [ 69.899711][T10069] RSP: 002b:00007fd1a3b7adb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9 [ 69.905157][T10070] CPU: 1 PID: 10070 Comm: syz-executor624 Tainted: G W 5.9.0-rc2-syzkaller #0 [ 69.910670][T10069] RAX: 0000000000000000 RBX: 00000000006dbc48 RCX: 0000000000446a49 [ 69.916099][T10070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.921968][T10069] RDX: 0000000000000003 RSI: 0000000000000001 RDI: 0000000000000004 [ 69.930215][T10070] RIP: 0010:debug_print_object+0x160/0x250 [ 69.934080][T10069] RBP: 00000000006dbc40 R08: 0000000000000000 R09: 0000000000000000 [ 69.943598][T10070] Code: dd e0 26 94 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd e0 26 94 88 48 c7 c7 40 1c 94 88 e8 82 3b a6 fd <0f> 0b 83 05 83 54 13 07 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 [ 69.963172][T10069] R10: 0000000020000000 R11: 0000000000000246 R12: 00000000006dbc4c [ 69.967174][T10070] RSP: 0018:ffffc9000d867dd0 EFLAGS: 00010082 [ 69.975580][T10069] R13: 00007ffd4306310f R14: 00007fd1a3b7b9c0 R15: 0000000000000064 [ 69.985706][T10070] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 70.074898][T10070] RDX: ffff8880908ce3c0 RSI: ffffffff815dafc7 RDI: fffff52001b0cfac [ 70.082874][T10070] RBP: 0000000000000003 R08: 0000000000000001 R09: ffff8880ae720f8b [ 70.090829][T10070] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff89bd6780 [ 70.098871][T10070] R13: 0000000000000000 R14: dead000000000100 R15: dffffc0000000000 [ 70.106828][T10070] FS: 00007fd1a3b7b700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 70.115740][T10070] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.122308][T10070] CR2: 00007fd1a3b38e78 CR3: 0000000090dd1000 CR4: 00000000001506e0 [ 70.130265][T10070] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 70.138246][T10070] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 70.146206][T10070] Call Trace: [ 70.149501][T10070] debug_check_no_obj_freed+0x301/0x41c [ 70.155037][T10070] kmem_cache_free.part.0+0x16d/0x1f0 [ 70.160392][T10070] task_work_run+0xdd/0x190 [ 70.164888][T10070] exit_to_user_mode_prepare+0x195/0x1c0 [ 70.170511][T10070] syscall_exit_to_user_mode+0x59/0x2b0 [ 70.176045][T10070] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 70.181920][T10070] RIP: 0033:0x446a49 [ 70.185802][T10070] Code: e8 8c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 7b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 70.205390][T10070] RSP: 002b:00007fd1a3b7adb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9 [ 70.213786][T10070] RAX: 0000000000000000 RBX: 00000000006dbc48 RCX: 0000000000446a49 [ 70.221741][T10070] RDX: 0000000000000003 RSI: 0000000000000001 RDI: 0000000000000004 [ 70.229695][T10070] RBP: 00000000006dbc40 R08: 0000000000000000 R09: 0000000000000000 [ 70.237647][T10070] R10: 0000000020000000 R11: 0000000000000246 R12: 00000000006dbc4c [ 70.245603][T10070] R13: 00007ffd4306310f R14: 00007fd1a3b7b9c0 R15: 0000000000000064 [ 70.253563][T10070] irq event stamp: 870 [ 70.257617][T10070] hardirqs last enabled at (869): [] call_rcu+0x360/0x7e0 [ 70.266360][T10070] hardirqs last disabled at (870): [] kmem_cache_free.part.0+0x3e/0x1f0 [ 70.276247][T10070] softirqs last enabled at (448): [] asm_call_on_stack+0xf/0x20 [ 70.285513][T10070] softirqs last disabled at (271): [] asm_call_on_stack+0xf/0x20 [ 70.294769][T10070] ---[ end trace 582bc9a367d5fc8d ]--- [ 70.300326][T10070] ------------[ cut here ]------------ [ 70.305771][T10070] ODEBUG: free active (active state 1) object type: rcu_head hint: 0x0 [ 70.314380][T10070] WARNING: CPU: 1 PID: 10070 at lib/debugobjects.c:485 debug_print_object+0x160/0x250 [ 70.323894][T10070] Modules linked in: [ 70.327778][T10070] CPU: 1 PID: 10070 Comm: syz-executor624 Tainted: G W 5.9.0-rc2-syzkaller #0 [ 70.337907][T10070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.347954][T10070] RIP: 0010:debug_print_object+0x160/0x250 [ 70.353747][T10070] Code: dd e0 26 94 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd e0 26 94 88 48 c7 c7 40 1c 94 88 e8 82 3b a6 fd <0f> 0b 83 05 83 54 13 07 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 [ 70.373334][T10070] RSP: 0018:ffffc9000d867dd0 EFLAGS: 00010082 [ 70.379384][T10070] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 70.387341][T10070] RDX: ffff8880908ce3c0 RSI: ffffffff815dafc7 RDI: fffff52001b0cfac [ 70.395295][T10070] RBP: 0000000000000004 R08: 0000000000000001 R09: ffff8880ae720f8b [ 70.403268][T10070] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff89bd6780 [ 70.411222][T10070] R13: 0000000000000000 R14: dead000000000100 R15: dffffc0000000000 [ 70.419180][T10070] FS: 00007fd1a3b7b700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 70.428091][T10070] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.434657][T10070] CR2: 00007fd1a3b38e78 CR3: 0000000090dd1000 CR4: 00000000001506e0 [ 70.442613][T10070] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 70.450565][T10070] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 70.458515][T10070] Call Trace: [ 70.461811][T10070] debug_check_no_obj_freed+0x301/0x41c [ 70.467346][T10070] kmem_cache_free.part.0+0x16d/0x1f0 [ 70.472703][T10070] task_work_run+0xdd/0x190 [ 70.477195][T10070] exit_to_user_mode_prepare+0x195/0x1c0 [ 70.482819][T10070] syscall_exit_to_user_mode+0x59/0x2b0 [ 70.488351][T10070] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 70.494225][T10070] RIP: 0033:0x446a49 [ 70.498110][T10070] Code: e8 8c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 7b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 70.517698][T10070] RSP: 002b:00007fd1a3b7adb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9 [ 70.526091][T10070] RAX: 0000000000000000 RBX: 00000000006dbc48 RCX: 0000000000446a49 [ 70.534045][T10070] RDX: 0000000000000003 RSI: 0000000000000001 RDI: 0000000000000004 [ 70.541997][T10070] RBP: 00000000006dbc40 R08: 0000000000000000 R09: 0000000000000000 [ 70.549958][T10070] R10: 0000000020000000 R11: 0000000000000246 R12: 00000000006dbc4c [ 70.557913][T10070] R13: 00007ffd4306310f R14: 00007fd1a3b7b9c0 R15: 0000000000000064 [ 70.565874][T10070] irq event stamp: 870 [ 70.569930][T10070] hardirqs last enabled at (869): [] call_rcu+0x360/0x7e0 [ 70.578672][T10070] hardirqs last disabled at (870): [] kmem_cache_free.part.0+0x3e/0x1f0 [ 70.588544][T10070] softirqs last enabled at (448): [] asm_call_on_stack+0xf/0x20 [ 70.597814][T10070] softirqs last disabled at (271): [] asm_call_on_stack+0xf/0x20 [ 70.607070][T10070] ---[ end trace 582bc9a367d5fc8e ]--- [ 70.612508][T10070] ------------[ cut here ]------------ [ 70.617953][T10070] ODEBUG: free active (active state 1) object type: rcu_head hint: 0x0 [ 70.626554][T10070] WARNING: CPU: 1 PID: 10070 at lib/debugobjects.c:485 debug_print_object+0x160/0x250 [ 70.636070][T10070] Modules linked in: [ 70.639956][T10070] CPU: 1 PID: 10070 Comm: syz-executor624 Tainted: G W 5.9.0-rc2-syzkaller #0 [ 70.650082][T10070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.660232][T10070] RIP: 0010:debug_print_object+0x160/0x250 [ 70.666019][T10070] Code: dd e0 26 94 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd e0 26 94 88 48 c7 c7 40 1c 94 88 e8 82 3b a6 fd <0f> 0b 83 05 83 54 13 07 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 [ 70.685603][T10070] RSP: 0018:ffffc9000d867dd0 EFLAGS: 00010082 [ 70.691650][T10070] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 70.699606][T10070] RDX: ffff8880908ce3c0 RSI: ffffffff815dafc7 RDI: fffff52001b0cfac [ 70.707560][T10070] RBP: 0000000000000005 R08: 0000000000000001 R09: ffff8880ae720f8b [ 70.715515][T10070] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff89bd6780 [ 70.723475][T10070] R13: 0000000000000000 R14: dead000000000100 R15: dffffc0000000000 [ 70.731436][T10070] FS: 00007fd1a3b7b700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 70.740345][T10070] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.746909][T10070] CR2: 00007fd1a3b38e78 CR3: 0000000090dd1000 CR4: 00000000001506e0 [ 70.754866][T10070] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 70.762837][T10070] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 70.770807][T10070] Call Trace: [ 70.774094][T10070] debug_check_no_obj_freed+0x301/0x41c [ 70.779631][T10070] kmem_cache_free.part.0+0x16d/0x1f0 [ 70.784984][T10070] task_work_run+0xdd/0x190 [ 70.789476][T10070] exit_to_user_mode_prepare+0x195/0x1c0 [ 70.795095][T10070] syscall_exit_to_user_mode+0x59/0x2b0 [ 70.800621][T10070] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 70.806496][T10070] RIP: 0033:0x446a49 [ 70.810376][T10070] Code: e8 8c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 7b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 70.829965][T10070] RSP: 002b:00007fd1a3b7adb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9 [ 70.838360][T10070] RAX: 0000000000000000 RBX: 00000000006dbc48 RCX: 0000000000446a49 [ 70.846754][T10070] RDX: 0000000000000003 RSI: 0000000000000001 RDI: 0000000000000004 [ 70.854712][T10070] RBP: 00000000006dbc40 R08: 0000000000000000 R09: 0000000000000000 [ 70.862666][T10070] R10: 0000000020000000 R11: 0000000000000246 R12: 00000000006dbc4c [ 70.870624][T10070] R13: 00007ffd4306310f R14: 00007fd1a3b7b9c0 R15: 0000000000000064 [ 70.878588][T10070] irq event stamp: 870 [ 70.882644][T10070] hardirqs last enabled at (869): [] call_rcu+0x360/0x7e0 [ 70.891386][T10070] hardirqs last disabled at (870): [] kmem_cache_free.part.0+0x3e/0x1f0 [ 70.901264][T10070] softirqs last enabled at (448): [] asm_call_on_stack+0xf/0x20 [ 70.910530][T10070] softirqs last disabled at (271): [] asm_call_on_stack+0xf/0x20 [ 70.919789][T10070] ---[ end trace 582bc9a367d5fc8f ]--- [ 71.117286][T10069] Shutting down cpus with NMI [ 71.123257][T10069] Kernel Offset: disabled [ 71.127651][T10069] Rebooting in 86400 seconds..