[ OK ] Reached target Login Prompts. Starting Load/Save RF Kill Switch Status... [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Load/Save RF Kill Switch Status. [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.95' (ECDSA) to the list of known hosts. syzkaller login: [ 58.170826][ T6857] IPVS: ftp: loaded support on port[0] = 21 [ 58.174388][ T6851] IPVS: ftp: loaded support on port[0] = 21 [ 58.178441][ T6855] IPVS: ftp: loaded support on port[0] = 21 [ 58.187322][ T6856] IPVS: ftp: loaded support on port[0] = 21 [ 58.199002][ T6858] IPVS: ftp: loaded support on port[0] = 21 [ 58.209767][ T6859] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 64.996628][T10720] ------------[ cut here ]------------ [ 65.007435][T10740] ------------[ cut here ]------------ [ 65.007486][T10719] ------------[ cut here ]------------ [ 65.012910][T10740] ODEBUG: free active (active state 1) object type: rcu_head hint: 0x0 [ 65.018347][T10719] ODEBUG: free active (active state 1) object type: rcu_head hint: 0x0 [ 65.026967][T10740] WARNING: CPU: 0 PID: 10740 at lib/debugobjects.c:485 debug_print_object+0x160/0x250 [ 65.035175][T10719] WARNING: CPU: 1 PID: 10719 at lib/debugobjects.c:485 debug_print_object+0x160/0x250 [ 65.044280][T10740] Kernel panic - not syncing: panic_on_warn set ... [ 65.053789][T10719] Modules linked in: [ 65.060356][T10740] CPU: 0 PID: 10740 Comm: syz-executor148 Not tainted 5.9.0-rc1-syzkaller #0 [ 65.064220][T10719] CPU: 1 PID: 10719 Comm: syz-executor148 Not tainted 5.9.0-rc1-syzkaller #0 [ 65.072942][T10740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.081659][T10719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.081681][T10719] RIP: 0010:debug_print_object+0x160/0x250 [ 65.091699][T10740] Call Trace: [ 65.101829][T10719] 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 [ 65.107601][T10740] dump_stack+0x18f/0x20d [ 65.110853][T10719] RSP: 0018:ffffc9000e06fdd0 EFLAGS: 00010082 [ 65.130434][T10740] panic+0x2e3/0x75c [ 65.134728][T10719] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 65.140766][T10740] ? __warn_printk+0xf3/0xf3 [ 65.144625][T10719] RDX: ffff88809446c200 RSI: ffffffff815dafc7 RDI: fffff52001c0dfac [ 65.152572][T10740] ? console_unlock+0xac8/0xf30 [ 65.157126][T10719] RBP: 0000000000000002 R08: 0000000000000001 R09: ffff8880ae720f8b [ 65.165074][T10740] ? __warn.cold+0x5/0x4a [ 65.169886][T10719] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff89bd6780 [ 65.177828][T10740] ? __warn+0xd6/0x1f2 [ 65.177847][T10740] ? debug_print_object+0x160/0x250 [ 65.182135][T10719] R13: 0000000000000000 R14: dead000000000100 R15: dffffc0000000000 [ 65.182150][T10719] FS: 00007fdde71eb700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 65.190099][T10740] __warn.cold+0x20/0x4a [ 65.194127][T10719] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.194140][T10719] CR2: 00007fdde71c9e78 CR3: 0000000094494000 CR4: 00000000001506e0 [ 65.199329][T10740] ? debug_print_object+0x160/0x250 [ 65.207265][T10719] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 65.216168][T10740] report_bug+0x1bd/0x210 [ 65.220369][T10719] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 65.220378][T10719] Call Trace: [ 65.226943][T10740] handle_bug+0x38/0x90 [ 65.234888][T10719] debug_check_no_obj_freed+0x301/0x41c [ 65.240053][T10740] ? __warn_printk+0xc6/0xf3 [ 65.248000][T10719] kmem_cache_free.part.0+0x16d/0x1f0 [ 65.252315][T10740] exc_invalid_op+0x14/0x40 [ 65.260256][T10719] task_work_run+0xdd/0x190 [ 65.263514][T10740] asm_exc_invalid_op+0x12/0x20 [ 65.267642][T10719] exit_to_user_mode_prepare+0x195/0x1c0 [ 65.273156][T10740] RIP: 0010:debug_print_object+0x160/0x250 [ 65.277717][T10719] syscall_exit_to_user_mode+0x59/0x2b0 [ 65.283053][T10740] 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 [ 65.287524][T10719] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 65.291991][T10740] RSP: 0018:ffffc9000cb8fdd0 EFLAGS: 00010082 [ 65.296816][T10719] RIP: 0033:0x446a09 [ 65.302415][T10740] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 65.308193][T10719] 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 [ 65.313697][T10740] RDX: ffff88809431e4c0 RSI: ffffffff815dafc7 RDI: fffff52001971fac [ 65.313711][T10740] RBP: 0000000000000001 R08: 0000000000000001 R09: ffff8880ae620f8b [ 65.333285][T10719] RSP: 002b:00007fdde71eadb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9 [ 65.339155][T10740] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff89bd6780 [ 65.339168][T10740] R13: 0000000000000000 R14: dead000000000100 R15: dffffc0000000000 [ 65.345196][T10719] RAX: 0000000000000000 RBX: 00000000006dbc48 RCX: 0000000000446a09 [ 65.345209][T10719] RDX: 0000000000000004 RSI: 0000000000000001 RDI: 0000000000000003 [ 65.349078][T10740] ? vprintk_func+0x97/0x1a6 [ 65.357010][T10719] RBP: 00000000006dbc40 R08: 0000000000000000 R09: 0000000000000000 [ 65.357024][T10719] R10: 0000000020000340 R11: 0000000000000246 R12: 00000000006dbc4c [ 65.376626][T10740] debug_check_no_obj_freed+0x301/0x41c [ 65.384556][T10719] R13: 00007ffffb7b1aaf R14: 00007fdde71eb9c0 R15: 0000000000000064 [ 65.384574][T10719] irq event stamp: 604 [ 65.392525][T10740] kmem_cache_free.part.0+0x16d/0x1f0 [ 65.400894][T10719] hardirqs last enabled at (603): [] call_rcu+0x360/0x7e0 [ 65.400914][T10719] hardirqs last disabled at (604): [] kmem_cache_free.part.0+0x3e/0x1f0 [ 65.408857][T10740] task_work_run+0xdd/0x190 [ 65.416800][T10719] softirqs last enabled at (188): [] asm_call_on_stack+0xf/0x20 [ 65.416819][T10719] softirqs last disabled at (157): [] asm_call_on_stack+0xf/0x20 [ 65.424766][T10740] exit_to_user_mode_prepare+0x195/0x1c0 [ 65.432705][T10719] ---[ end trace 134f31a03aad2f73 ]--- [ 65.437273][T10740] syscall_exit_to_user_mode+0x59/0x2b0 [ 65.445208][T10719] ------------[ cut here ]------------ [ 65.453163][T10740] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 65.458678][T10719] ODEBUG: free active (active state 1) object type: rcu_head hint: 0x0 [ 65.466620][T10740] RIP: 0033:0x446a09 [ 65.471083][T10719] WARNING: CPU: 1 PID: 10719 at lib/debugobjects.c:485 debug_print_object+0x160/0x250 [ 65.476004][T10740] 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 [ 65.484721][T10719] Modules linked in: [ 65.494577][T10740] RSP: 002b:00007fdde71eadb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9 [ 65.499056][T10719] CPU: 1 PID: 10719 Comm: syz-executor148 Tainted: G W 5.9.0-rc1-syzkaller #0 [ 65.508298][T10740] RAX: 0000000000000000 RBX: 00000000006dbc48 RCX: 0000000000446a09 [ 65.517546][T10719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.517572][T10719] RIP: 0010:debug_print_object+0x160/0x250 [ 65.523187][T10740] RDX: 0000000000000004 RSI: 0000000000000001 RDI: 0000000000000003 [ 65.528622][T10719] 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 [ 65.534138][T10740] RBP: 00000000006dbc40 R08: 0000000000000000 R09: 0000000000000000 [ 65.539565][T10719] RSP: 0018:ffffc9000e06fdd0 EFLAGS: 00010082 [ 65.545433][T10740] R10: 0000000020000340 R11: 0000000000000246 R12: 00000000006dbc4c [ 65.553636][T10719] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 65.557501][T10740] R13: 00007ffffb7b1aaf R14: 00007fdde71eb9c0 R15: 0000000000000064 [ 65.567008][T10719] RDX: ffff88809446c200 RSI: ffffffff815dafc7 RDI: fffff52001c0dfac [ 65.706015][T10719] RBP: 0000000000000003 R08: 0000000000000001 R09: ffff8880ae720f8b [ 65.713967][T10719] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff89bd6780 [ 65.721917][T10719] R13: 0000000000000000 R14: dead000000000100 R15: dffffc0000000000 [ 65.729873][T10719] FS: 00007fdde71eb700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 65.738780][T10719] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.745354][T10719] CR2: 00007fdde71c9e78 CR3: 0000000094494000 CR4: 00000000001506e0 [ 65.753318][T10719] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 65.761274][T10719] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 65.769223][T10719] Call Trace: [ 65.772520][T10719] debug_check_no_obj_freed+0x301/0x41c [ 65.778066][T10719] kmem_cache_free.part.0+0x16d/0x1f0 [ 65.783421][T10719] task_work_run+0xdd/0x190 [ 65.787919][T10719] exit_to_user_mode_prepare+0x195/0x1c0 [ 65.793537][T10719] syscall_exit_to_user_mode+0x59/0x2b0 [ 65.799067][T10719] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 65.806240][T10719] RIP: 0033:0x446a09 [ 65.810126][T10719] 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 [ 65.829709][T10719] RSP: 002b:00007fdde71eadb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9 [ 65.838100][T10719] RAX: 0000000000000000 RBX: 00000000006dbc48 RCX: 0000000000446a09 [ 65.846058][T10719] RDX: 0000000000000004 RSI: 0000000000000001 RDI: 0000000000000003 [ 65.854009][T10719] RBP: 00000000006dbc40 R08: 0000000000000000 R09: 0000000000000000 [ 65.861960][T10719] R10: 0000000020000340 R11: 0000000000000246 R12: 00000000006dbc4c [ 65.869911][T10719] R13: 00007ffffb7b1aaf R14: 00007fdde71eb9c0 R15: 0000000000000064 [ 65.877881][T10719] irq event stamp: 604 [ 65.881931][T10719] hardirqs last enabled at (603): [] call_rcu+0x360/0x7e0 [ 65.890669][T10719] hardirqs last disabled at (604): [] kmem_cache_free.part.0+0x3e/0x1f0 [ 65.900543][T10719] softirqs last enabled at (188): [] asm_call_on_stack+0xf/0x20 [ 65.909802][T10719] softirqs last disabled at (157): [] asm_call_on_stack+0xf/0x20 [ 65.919140][T10719] ---[ end trace 134f31a03aad2f74 ]--- [ 65.924577][T10719] ------------[ cut here ]------------ [ 65.930013][T10719] ODEBUG: free active (active state 1) object type: rcu_head hint: 0x0 [ 65.938605][T10719] WARNING: CPU: 1 PID: 10719 at lib/debugobjects.c:485 debug_print_object+0x160/0x250 [ 65.948131][T10719] Modules linked in: [ 65.952012][T10719] CPU: 1 PID: 10719 Comm: syz-executor148 Tainted: G W 5.9.0-rc1-syzkaller #0 [ 65.962142][T10719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.972181][T10719] RIP: 0010:debug_print_object+0x160/0x250 [ 65.977988][T10719] 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 [ 65.997583][T10719] RSP: 0018:ffffc9000e06fdd0 EFLAGS: 00010082 [ 66.003629][T10719] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 66.011581][T10719] RDX: ffff88809446c200 RSI: ffffffff815dafc7 RDI: fffff52001c0dfac [ 66.019533][T10719] RBP: 0000000000000004 R08: 0000000000000001 R09: ffff8880ae720f8b [ 66.027482][T10719] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff89bd6780 [ 66.035459][T10719] R13: 0000000000000000 R14: dead000000000100 R15: dffffc0000000000 [ 66.043416][T10719] FS: 00007fdde71eb700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 66.052322][T10719] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.058898][T10719] CR2: 00007fdde71c9e78 CR3: 0000000094494000 CR4: 00000000001506e0 [ 66.066852][T10719] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 66.074814][T10719] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 66.082762][T10719] Call Trace: [ 66.086041][T10719] debug_check_no_obj_freed+0x301/0x41c [ 66.091575][T10719] kmem_cache_free.part.0+0x16d/0x1f0 [ 66.096929][T10719] task_work_run+0xdd/0x190 [ 66.101418][T10719] exit_to_user_mode_prepare+0x195/0x1c0 [ 66.107036][T10719] syscall_exit_to_user_mode+0x59/0x2b0 [ 66.112562][T10719] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 66.118431][T10719] RIP: 0033:0x446a09 [ 66.122308][T10719] 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 [ 66.141906][T10719] RSP: 002b:00007fdde71eadb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9 [ 66.150303][T10719] RAX: 0000000000000000 RBX: 00000000006dbc48 RCX: 0000000000446a09 [ 66.158260][T10719] RDX: 0000000000000004 RSI: 0000000000000001 RDI: 0000000000000003 [ 66.166214][T10719] RBP: 00000000006dbc40 R08: 0000000000000000 R09: 0000000000000000 [ 66.174172][T10719] R10: 0000000020000340 R11: 0000000000000246 R12: 00000000006dbc4c [ 66.182127][T10719] R13: 00007ffffb7b1aaf R14: 00007fdde71eb9c0 R15: 0000000000000064 [ 66.190087][T10719] irq event stamp: 604 [ 66.194141][T10719] hardirqs last enabled at (603): [] call_rcu+0x360/0x7e0 [ 66.202883][T10719] hardirqs last disabled at (604): [] kmem_cache_free.part.0+0x3e/0x1f0 [ 66.212768][T10719] softirqs last enabled at (188): [] asm_call_on_stack+0xf/0x20 [ 66.222031][T10719] softirqs last disabled at (157): [] asm_call_on_stack+0xf/0x20 [ 66.231286][T10719] ---[ end trace 134f31a03aad2f75 ]--- [ 66.236721][T10719] ------------[ cut here ]------------ [ 66.242160][T10719] ODEBUG: free active (active state 1) object type: rcu_head hint: 0x0 [ 66.250756][T10719] WARNING: CPU: 1 PID: 10719 at lib/debugobjects.c:485 debug_print_object+0x160/0x250 [ 66.260266][T10719] Modules linked in: [ 66.264145][T10719] CPU: 1 PID: 10719 Comm: syz-executor148 Tainted: G W 5.9.0-rc1-syzkaller #0 [ 66.274266][T10719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.284306][T10719] RIP: 0010:debug_print_object+0x160/0x250 [ 66.290092][T10719] 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 [ 66.309676][T10719] RSP: 0018:ffffc9000e06fdd0 EFLAGS: 00010082 [ 66.315718][T10719] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 66.323667][T10719] RDX: ffff88809446c200 RSI: ffffffff815dafc7 RDI: fffff52001c0dfac [ 66.331619][T10719] RBP: 0000000000000005 R08: 0000000000000001 R09: ffff8880ae720f8b [ 66.339572][T10719] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff89bd6780 [ 66.347523][T10719] R13: 0000000000000000 R14: dead000000000100 R15: dffffc0000000000 [ 66.355478][T10719] FS: 00007fdde71eb700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 66.364395][T10719] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.370958][T10719] CR2: 00007fdde71c9e78 CR3: 0000000094494000 CR4: 00000000001506e0 [ 66.378918][T10719] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 66.386868][T10719] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 66.394814][T10719] Call Trace: [ 66.398093][T10719] debug_check_no_obj_freed+0x301/0x41c [ 66.403627][T10719] kmem_cache_free.part.0+0x16d/0x1f0 [ 66.408991][T10719] task_work_run+0xdd/0x190 [ 66.413479][T10719] exit_to_user_mode_prepare+0x195/0x1c0 [ 66.419094][T10719] syscall_exit_to_user_mode+0x59/0x2b0 [ 66.424622][T10719] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 66.430492][T10719] RIP: 0033:0x446a09 [ 66.434371][T10719] 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 [ 66.453950][T10719] RSP: 002b:00007fdde71eadb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9 [ 66.462351][T10719] RAX: 0000000000000000 RBX: 00000000006dbc48 RCX: 0000000000446a09 [ 66.470301][T10719] RDX: 0000000000000004 RSI: 0000000000000001 RDI: 0000000000000003 [ 66.478254][T10719] RBP: 00000000006dbc40 R08: 0000000000000000 R09: 0000000000000000 [ 66.486218][T10719] R10: 0000000020000340 R11: 0000000000000246 R12: 00000000006dbc4c [ 66.494176][T10719] R13: 00007ffffb7b1aaf R14: 00007fdde71eb9c0 R15: 0000000000000064 [ 66.502137][T10719] irq event stamp: 604 [ 66.506193][T10719] hardirqs last enabled at (603): [] call_rcu+0x360/0x7e0 [ 66.514948][T10719] hardirqs last disabled at (604): [] kmem_cache_free.part.0+0x3e/0x1f0 [ 66.524833][T10719] softirqs last enabled at (188): [] asm_call_on_stack+0xf/0x20 [ 66.534114][T10719] softirqs last disabled at (157): [] asm_call_on_stack+0xf/0x20 [ 66.543371][T10719] ---[ end trace 134f31a03aad2f76 ]--- [ 66.704976][T10740] Shutting down cpus with NMI [ 66.710941][T10740] Kernel Offset: disabled [ 66.715349][T10740] Rebooting in 86400 seconds..