Warning: Permanently added '10.128.1.63' (ED25519) to the list of known hosts. 2024/09/30 14:24:24 ignoring optional flag "sandboxArg"="0" 2024/09/30 14:24:24 ignoring optional flag "type"="gce" 2024/09/30 14:24:24 parsed 1 programs [ 43.616328][ T23] kauditd_printk_skb: 15 callbacks suppressed [ 43.616336][ T23] audit: type=1400 audit(1727706264.299:91): avc: denied { mounton } for pid=405 comm="syz-executor" path="/syzcgroup/unified" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=dir permissive=1 [ 43.616830][ T405] cgroup1: Unknown subsys name 'net' [ 43.650506][ T405] cgroup1: Unknown subsys name 'net_prio' [ 43.656482][ T405] cgroup1: Unknown subsys name 'devices' 2024/09/30 14:24:24 executed programs: 0 [ 43.663649][ T405] cgroup1: Unknown subsys name 'hugetlb' [ 43.669461][ T405] cgroup1: Unknown subsys name 'rlimit' [ 43.720311][ T410] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.727133][ T410] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.734530][ T410] device bridge_slave_0 entered promiscuous mode [ 43.741194][ T410] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.748039][ T410] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.755186][ T410] device bridge_slave_1 entered promiscuous mode [ 43.793673][ T410] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.800510][ T410] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.807602][ T410] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.814435][ T410] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.834023][ T103] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.841112][ T103] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.848786][ T103] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.856183][ T103] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.865752][ T103] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.873882][ T103] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.880721][ T103] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.890312][ T103] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.898429][ T103] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.905236][ T103] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.917970][ T103] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.927234][ T103] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.942389][ T103] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 43.953558][ T103] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 43.966171][ T103] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 43.978594][ T103] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 43.988553][ T103] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 44.003613][ T23] audit: type=1400 audit(1727706264.689:92): avc: denied { mounton } for pid=410 comm="syz-executor.0" path="/dev/binderfs" dev="devtmpfs" ino=987 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1 [ 44.035086][ T23] audit: type=1400 audit(1727706264.719:93): avc: denied { read } for pid=416 comm="syz-executor.0" name="loop-control" dev="devtmpfs" ino=151 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 44.059262][ T23] audit: type=1400 audit(1727706264.719:94): avc: denied { open } for pid=416 comm="syz-executor.0" path="/dev/loop-control" dev="devtmpfs" ino=151 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 44.083900][ T23] audit: type=1400 audit(1727706264.739:95): avc: denied { ioctl } for pid=416 comm="syz-executor.0" path="/dev/loop-control" dev="devtmpfs" ino=151 ioctlcmd=0x4c81 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 44.119293][ T418] FAULT_INJECTION: forcing a failure. [ 44.119293][ T418] name failslab, interval 1, probability 0, space 0, times 1 [ 44.131935][ T418] CPU: 0 PID: 418 Comm: syz-executor.0 Not tainted 5.4.283-syzkaller-04981-g1cca65ac6abc #0 [ 44.141780][ T418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 44.151682][ T418] Call Trace: [ 44.154816][ T418] dump_stack+0x1d8/0x241 [ 44.158969][ T418] ? panic+0x89d/0x89d [ 44.162872][ T418] ? mutex_unlock+0x18/0x40 [ 44.167224][ T418] ? nf_ct_l4proto_log_invalid+0x258/0x258 [ 44.172856][ T418] ? selinux_kernfs_init_security+0x14e/0x730 [ 44.178865][ T418] ? idr_alloc_cyclic+0x369/0x5d0 [ 44.183717][ T418] should_fail+0x71f/0x880 [ 44.187963][ T418] ? setup_fault_attr+0x3d0/0x3d0 [ 44.192825][ T418] ? _raw_spin_lock+0xa4/0x1b0 [ 44.197507][ T418] ? __kernfs_new_node+0xdb/0x6e0 [ 44.202369][ T418] should_failslab+0x5/0x20 [ 44.206706][ T418] kmem_cache_alloc+0x28/0x250 [ 44.211304][ T418] __kernfs_new_node+0xdb/0x6e0 [ 44.216000][ T418] ? kernfs_new_node+0x230/0x230 [ 44.220773][ T418] ? mutex_lock+0xa5/0x110 [ 44.225032][ T418] ? mutex_trylock+0xa0/0xa0 [ 44.229452][ T418] ? kernfs_activate+0x2fe/0x320 [ 44.234219][ T418] kernfs_new_node+0x130/0x230 [ 44.238914][ T418] __kernfs_create_file+0x45/0x260 [ 44.243855][ T418] sysfs_add_file_mode_ns+0x292/0x340 [ 44.249063][ T418] internal_create_group+0x573/0xf00 [ 44.254181][ T418] ? sysfs_create_group+0x20/0x20 [ 44.259057][ T418] sysfs_create_groups+0x52/0x110 [ 44.263995][ T418] device_add_attrs+0xd0/0x370 [ 44.268680][ T418] device_add+0x4f4/0xbb0 [ 44.273033][ T418] __device_add_disk+0x767/0x1220 [ 44.277898][ T418] ? device_add_disk+0x30/0x30 [ 44.282493][ T418] ? __alloc_disk_node+0x459/0x5a0 [ 44.287443][ T418] loop_add+0x573/0x740 [ 44.291431][ T418] loop_control_ioctl+0x448/0x620 [ 44.296289][ T418] ? loop_remove+0xa0/0xa0 [ 44.300545][ T418] ? memset+0x1f/0x40 [ 44.304361][ T418] ? fsnotify+0x1280/0x1340 [ 44.308887][ T418] ? loop_remove+0xa0/0xa0 [ 44.313130][ T418] do_vfs_ioctl+0x742/0x1720 [ 44.317643][ T418] ? ioctl_preallocate+0x250/0x250 [ 44.322704][ T418] ? __fget+0x407/0x490 [ 44.326698][ T418] ? fget_many+0x20/0x20 [ 44.330776][ T418] ? debug_smp_processor_id+0x20/0x20 [ 44.336073][ T418] ? security_file_ioctl+0x7d/0xa0 [ 44.341019][ T418] __x64_sys_ioctl+0xd4/0x110 [ 44.345531][ T418] do_syscall_64+0xca/0x1c0 [ 44.349872][ T418] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 44.355612][ T418] RIP: 0033:0x7f4fb80ba669 [ 44.359847][ T418] 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 b4 ff ff ff f7 d8 64 89 01 48 [ 44.379289][ T418] RSP: 002b:00007f4fb801f0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.387533][ T418] RAX: ffffffffffffffda RBX: 00007f4fb81cd030 RCX: 00007f4fb80ba669 [ 44.395347][ T418] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 44.403157][ T418] RBP: 00007f4fb801f120 R08: 0000000000000000 R09: 0000000000000000 [ 44.410973][ T418] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.418778][ T418] R13: 000000000000006e R14: 00007f4fb81cd030 R15: 00007ffeaf1ffd98 [ 44.427545][ T418] kobject_add_internal failed for queue (error: -2 parent: loop0) [ 44.435204][ T418] ------------[ cut here ]------------ [ 44.440451][ T418] WARNING: CPU: 0 PID: 418 at fs/sysfs/file.c:328 sysfs_create_files+0x325/0x470 [ 44.449377][ T418] Modules linked in: [ 44.453201][ T418] CPU: 0 PID: 418 Comm: syz-executor.0 Not tainted 5.4.283-syzkaller-04981-g1cca65ac6abc #0 [ 44.463181][ T418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 44.473096][ T418] RIP: 0010:sysfs_create_files+0x325/0x470 [ 44.478716][ T418] Code: c1 03 38 c1 0f 8c b7 fe ff ff 48 8d 7c 24 70 e8 f1 fd d5 ff e9 a8 fe ff ff e8 57 16 a6 ff 31 db e9 ef 00 00 00 e8 4b 16 a6 ff <0f> 0b bb ea ff ff ff 4c 8b 74 24 08 eb 17 85 db 0f 84 cf 00 00 00 [ 44.498245][ T418] RSP: 0018:ffff8881ef627940 EFLAGS: 00010293 [ 44.504238][ T418] RAX: ffffffff81be2188 RBX: ffff8881efb930a0 RCX: ffff8881f0dc1f80 [ 44.512152][ T418] RDX: 0000000000000000 RSI: ffffffff85a66260 RDI: ffff8881efb93070 [ 44.519965][ T418] RBP: ffff8881ef627a10 R08: ffffffff844b07b0 R09: ffffed103de48244 [ 44.527775][ T418] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 44.535588][ T418] R13: ffffffff84f99f80 R14: dffffc0000000000 R15: ffff8881efb93070 [ 44.543402][ T418] FS: 00007f4fb801f6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 44.552166][ T418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.558696][ T418] CR2: 00007f4fb801eff8 CR3: 00000001db9a5000 CR4: 00000000003406b0 [ 44.566508][ T418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.574491][ T418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.582575][ T418] Call Trace: [ 44.585706][ T418] ? __warn+0x162/0x250 [ 44.589696][ T418] ? report_bug+0x3a1/0x4e0 [ 44.594033][ T418] ? sysfs_create_files+0x325/0x470 [ 44.599066][ T418] ? sysfs_create_files+0x325/0x470 [ 44.604108][ T418] ? do_invalid_op+0x6e/0x110 [ 44.608614][ T418] ? invalid_op+0x1e/0x30 [ 44.612783][ T418] ? kobject_get+0xc0/0x110 [ 44.617117][ T418] ? sysfs_create_files+0x458/0x470 [ 44.622155][ T418] ? sysfs_create_files+0x325/0x470 [ 44.627190][ T418] ? sysfs_create_file_ns+0x2a0/0x2a0 [ 44.632484][ T418] ? kobject_get+0xc9/0x110 [ 44.636823][ T418] __device_add_disk+0x949/0x1220 [ 44.641687][ T418] ? device_add_disk+0x30/0x30 [ 44.646282][ T418] ? __alloc_disk_node+0x459/0x5a0 [ 44.651339][ T418] loop_add+0x573/0x740 [ 44.655310][ T418] loop_control_ioctl+0x448/0x620 [ 44.660183][ T418] ? loop_remove+0xa0/0xa0 [ 44.664425][ T418] ? memset+0x1f/0x40 [ 44.668241][ T418] ? fsnotify+0x1280/0x1340 [ 44.672579][ T418] ? loop_remove+0xa0/0xa0 [ 44.676835][ T418] do_vfs_ioctl+0x742/0x1720 [ 44.681292][ T418] ? ioctl_preallocate+0x250/0x250 [ 44.686208][ T418] ? __fget+0x407/0x490 [ 44.690203][ T418] ? fget_many+0x20/0x20 [ 44.694283][ T418] ? debug_smp_processor_id+0x20/0x20 [ 44.699492][ T418] ? security_file_ioctl+0x7d/0xa0 [ 44.704445][ T418] __x64_sys_ioctl+0xd4/0x110 [ 44.708949][ T418] do_syscall_64+0xca/0x1c0 [ 44.713289][ T418] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 44.719015][ T418] RIP: 0033:0x7f4fb80ba669 [ 44.723361][ T418] 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 b4 ff ff ff f7 d8 64 89 01 48 [ 44.742885][ T418] RSP: 002b:00007f4fb801f0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.751129][ T418] RAX: ffffffffffffffda RBX: 00007f4fb81cd030 RCX: 00007f4fb80ba669 [ 44.759027][ T418] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 44.766857][ T418] RBP: 00007f4fb801f120 R08: 0000000000000000 R09: 0000000000000000 [ 44.774648][ T418] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.782461][ T418] R13: 000000000000006e R14: 00007f4fb81cd030 R15: 00007ffeaf1ffd98 [ 44.790360][ T418] ---[ end trace 51d8dcbf255edd4e ]--- [ 44.797562][ T418] ------------[ cut here ]------------ [ 44.802935][ T418] kernfs: can not remove 'events', no directory [ 44.809125][ T418] WARNING: CPU: 0 PID: 418 at fs/kernfs/dir.c:1523 kernfs_remove_by_name_ns+0xb1/0x100 [ 44.818438][ T418] Modules linked in: [ 44.822176][ T418] CPU: 0 PID: 418 Comm: syz-executor.0 Tainted: G W 5.4.283-syzkaller-04981-g1cca65ac6abc #0 [ 44.833458][ T418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 44.843539][ T418] RIP: 0010:kernfs_remove_by_name_ns+0xb1/0x100 [ 44.849603][ T418] Code: ff 03 48 89 df e8 ff ef ff ff 48 89 df e8 87 af ff ff 31 db eb 27 e8 ee 73 a6 ff 48 c7 c7 c0 ac e5 84 4c 89 fe e8 9f 28 7d ff <0f> 0b bb fe ff ff ff eb 16 e8 d1 73 a6 ff bb fe ff ff ff 48 c7 c7 [ 44.869341][ T418] RSP: 0018:ffff8881ef627918 EFLAGS: 00010246 [ 44.875204][ T418] RAX: ff2bedba4fbc2100 RBX: 0000000000000000 RCX: ffff8881f0dc1f80 [ 44.883019][ T418] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 44.890829][ T418] RBP: ffff8881ef627a10 R08: ffffffff814d5a52 R09: 0000000000000003 [ 44.898813][ T418] R10: ffffffffffffffff R11: dffffc0000000001 R12: 0000000000000000 [ 44.906723][ T418] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff84f9a040 [ 44.914530][ T418] FS: 00007f4fb801f6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 44.923292][ T418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.929735][ T418] CR2: 00007f4fb801eff8 CR3: 00000001db9a5000 CR4: 00000000003406b0 [ 44.937524][ T418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.945337][ T418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.953149][ T418] Call Trace: [ 44.956276][ T418] ? __warn+0x162/0x250 [ 44.960265][ T418] ? report_bug+0x3a1/0x4e0 [ 44.964609][ T418] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 44.970072][ T418] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 44.975543][ T418] ? do_invalid_op+0x6e/0x110 [ 44.980160][ T418] ? invalid_op+0x1e/0x30 [ 44.984352][ T418] ? wake_up_klogd+0xb2/0xf0 [ 44.988859][ T418] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 44.994337][ T418] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 44.999796][ T418] sysfs_create_files+0x3de/0x470 [ 45.004660][ T418] ? sysfs_create_file_ns+0x2a0/0x2a0 [ 45.009865][ T418] ? kobject_get+0xc9/0x110 [ 45.014208][ T418] __device_add_disk+0x949/0x1220 [ 45.019066][ T418] ? device_add_disk+0x30/0x30 [ 45.023663][ T418] ? __alloc_disk_node+0x459/0x5a0 [ 45.028611][ T418] loop_add+0x573/0x740 [ 45.032602][ T418] loop_control_ioctl+0x448/0x620 [ 45.037464][ T418] ? loop_remove+0xa0/0xa0 [ 45.041728][ T418] ? memset+0x1f/0x40 [ 45.045624][ T418] ? fsnotify+0x1280/0x1340 [ 45.049972][ T418] ? loop_remove+0xa0/0xa0 [ 45.054230][ T418] do_vfs_ioctl+0x742/0x1720 [ 45.058721][ T418] ? ioctl_preallocate+0x250/0x250 [ 45.063768][ T418] ? __fget+0x407/0x490 [ 45.067758][ T418] ? fget_many+0x20/0x20 [ 45.071835][ T418] ? debug_smp_processor_id+0x20/0x20 [ 45.077044][ T418] ? security_file_ioctl+0x7d/0xa0 [ 45.081993][ T418] __x64_sys_ioctl+0xd4/0x110 [ 45.086506][ T418] do_syscall_64+0xca/0x1c0 [ 45.091024][ T418] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 45.096744][ T418] RIP: 0033:0x7f4fb80ba669 [ 45.101023][ T418] 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 b4 ff ff ff f7 d8 64 89 01 48 [ 45.120445][ T418] RSP: 002b:00007f4fb801f0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.128686][ T418] RAX: ffffffffffffffda RBX: 00007f4fb81cd030 RCX: 00007f4fb80ba669 [ 45.136493][ T418] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 45.144307][ T418] RBP: 00007f4fb801f120 R08: 0000000000000000 R09: 0000000000000000 [ 45.152119][ T418] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.159946][ T418] R13: 000000000000006e R14: 00007f4fb81cd030 R15: 00007ffeaf1ffd98 [ 45.167743][ T418] ---[ end trace 51d8dcbf255edd4f ]--- [ 45.174779][ T418] loop0: failed to create sysfs files for events [ 45.186625][ T421] ------------[ cut here ]------------ [ 45.192457][ T421] kernfs: can not remove 'events', no directory [ 45.198891][ T421] WARNING: CPU: 1 PID: 421 at fs/kernfs/dir.c:1523 kernfs_remove_by_name_ns+0xb1/0x100 [ 45.208297][ T421] Modules linked in: [ 45.212035][ T421] CPU: 1 PID: 421 Comm: syz-executor.0 Tainted: G W 5.4.283-syzkaller-04981-g1cca65ac6abc #0 [ 45.223314][ T421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 45.233476][ T421] RIP: 0010:kernfs_remove_by_name_ns+0xb1/0x100 [ 45.239559][ T421] Code: ff 03 48 89 df e8 ff ef ff ff 48 89 df e8 87 af ff ff 31 db eb 27 e8 ee 73 a6 ff 48 c7 c7 c0 ac e5 84 4c 89 fe e8 9f 28 7d ff <0f> 0b bb fe ff ff ff eb 16 e8 d1 73 a6 ff bb fe ff ff ff 48 c7 c7 [ 45.259083][ T421] RSP: 0018:ffff8881dabdfa38 EFLAGS: 00010246 [ 45.265089][ T421] RAX: b22cf38e0c262700 RBX: 0000000000000000 RCX: ffff8881f31e4ec0 [ 45.272899][ T421] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 45.280796][ T421] RBP: ffffffff85a66260 R08: ffffffff814d5a52 R09: ffffed103edea9b8 [ 45.288613][ T421] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 45.296424][ T421] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff84f9a040 [ 45.304357][ T421] FS: 00007f4fb80406c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 45.313179][ T421] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.319591][ T421] CR2: 00007f4fb81cd028 CR3: 00000001f21fd000 CR4: 00000000003406a0 [ 45.327490][ T421] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.335386][ T421] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.343195][ T421] Call Trace: [ 45.346337][ T421] ? __warn+0x162/0x250 [ 45.350328][ T421] ? report_bug+0x3a1/0x4e0 [ 45.354750][ T421] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 45.360331][ T421] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 45.365793][ T421] ? do_invalid_op+0x6e/0x110 [ 45.370331][ T421] ? invalid_op+0x1e/0x30 [ 45.374648][ T421] ? wake_up_klogd+0xb2/0xf0 [ 45.379071][ T421] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 45.384538][ T421] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 45.390008][ T421] sysfs_remove_files+0x91/0xe0 [ 45.394694][ T421] del_gendisk+0x26e/0xc30 [ 45.398944][ T421] ? avc_flush+0x1f0/0x1f0 [ 45.403197][ T421] ? device_add_disk_no_queue_reg+0x20/0x20 [ 45.408927][ T421] ? delete_node+0x706/0x780 [ 45.413352][ T421] loop_remove+0x42/0xa0 [ 45.417435][ T421] loop_control_ioctl+0x564/0x620 [ 45.422292][ T421] ? loop_remove+0xa0/0xa0 [ 45.426547][ T421] ? loop_remove+0xa0/0xa0 [ 45.430799][ T421] do_vfs_ioctl+0x742/0x1720 [ 45.435227][ T421] ? ioctl_preallocate+0x250/0x250 [ 45.440171][ T421] ? __fget+0x407/0x490 [ 45.444168][ T421] ? fget_many+0x20/0x20 [ 45.448349][ T421] ? switch_fpu_return+0x1d4/0x410 [ 45.453323][ T421] ? security_file_ioctl+0x7d/0xa0 [ 45.458238][ T421] __x64_sys_ioctl+0xd4/0x110 [ 45.462744][ T421] do_syscall_64+0xca/0x1c0 [ 45.467170][ T421] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 45.472896][ T421] RIP: 0033:0x7f4fb80ba669 [ 45.477145][ T421] 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 b4 ff ff ff f7 d8 64 89 01 48 [ 45.496589][ T421] RSP: 002b:00007f4fb80400c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.504841][ T421] RAX: ffffffffffffffda RBX: 00007f4fb81ccf60 RCX: 00007f4fb80ba669 [ 45.512673][ T421] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 45.520458][ T421] RBP: 00007f4fb8115fd8 R08: 0000000000000000 R09: 0000000000000000 [ 45.528268][ T421] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 45.536080][ T421] R13: 000000000000000b R14: 00007f4fb81ccf60 R15: 00007ffeaf1ffd98 [ 45.543894][ T421] ---[ end trace 51d8dcbf255edd50 ]--- [ 45.551490][ T421] ------------[ cut here ]------------ [ 45.556748][ T421] kernfs: can not remove 'events_async', no directory [ 45.563771][ T421] WARNING: CPU: 1 PID: 421 at fs/kernfs/dir.c:1523 kernfs_remove_by_name_ns+0xb1/0x100 [ 45.573358][ T421] Modules linked in: [ 45.577182][ T421] CPU: 1 PID: 421 Comm: syz-executor.0 Tainted: G W 5.4.283-syzkaller-04981-g1cca65ac6abc #0 [ 45.588459][ T421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 45.598368][ T421] RIP: 0010:kernfs_remove_by_name_ns+0xb1/0x100 [ 45.604443][ T421] Code: ff 03 48 89 df e8 ff ef ff ff 48 89 df e8 87 af ff ff 31 db eb 27 e8 ee 73 a6 ff 48 c7 c7 c0 ac e5 84 4c 89 fe e8 9f 28 7d ff <0f> 0b bb fe ff ff ff eb 16 e8 d1 73 a6 ff bb fe ff ff ff 48 c7 c7 [ 45.623884][ T421] RSP: 0018:ffff8881dabdfa38 EFLAGS: 00010246 [ 45.629872][ T421] RAX: b22cf38e0c262700 RBX: 0000000000000000 RCX: ffff8881f31e4ec0 [ 45.637760][ T421] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 45.645574][ T421] RBP: ffffffff85a66260 R08: ffffffff814d5a52 R09: 0000000000000003 [ 45.653381][ T421] R10: ffffffffffffffff R11: dffffc0000000001 R12: 0000000000000000 [ 45.661194][ T421] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff84f9a0e0 [ 45.669527][ T421] FS: 00007f4fb80406c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 45.678294][ T421] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.684715][ T421] CR2: 00007f4fb81cd028 CR3: 00000001f21fd000 CR4: 00000000003406a0 [ 45.692527][ T421] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.700339][ T421] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.708157][ T421] Call Trace: [ 45.711284][ T421] ? __warn+0x162/0x250 [ 45.715281][ T421] ? report_bug+0x3a1/0x4e0 [ 45.719608][ T421] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 45.725078][ T421] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 45.730545][ T421] ? do_invalid_op+0x6e/0x110 [ 45.735060][ T421] ? invalid_op+0x1e/0x30 [ 45.739228][ T421] ? wake_up_klogd+0xb2/0xf0 [ 45.743654][ T421] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 45.749118][ T421] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 45.754586][ T421] sysfs_remove_files+0x91/0xe0 [ 45.759278][ T421] del_gendisk+0x26e/0xc30 [ 45.763530][ T421] ? avc_flush+0x1f0/0x1f0 [ 45.767788][ T421] ? device_add_disk_no_queue_reg+0x20/0x20 [ 45.773509][ T421] ? delete_node+0x706/0x780 [ 45.778025][ T421] loop_remove+0x42/0xa0 [ 45.782101][ T421] loop_control_ioctl+0x564/0x620 [ 45.786966][ T421] ? loop_remove+0xa0/0xa0 [ 45.791216][ T421] ? loop_remove+0xa0/0xa0 [ 45.795470][ T421] do_vfs_ioctl+0x742/0x1720 [ 45.799898][ T421] ? ioctl_preallocate+0x250/0x250 [ 45.804844][ T421] ? __fget+0x407/0x490 [ 45.808836][ T421] ? fget_many+0x20/0x20 [ 45.812916][ T421] ? switch_fpu_return+0x1d4/0x410 [ 45.817863][ T421] ? security_file_ioctl+0x7d/0xa0 [ 45.822809][ T421] __x64_sys_ioctl+0xd4/0x110 [ 45.827322][ T421] do_syscall_64+0xca/0x1c0 [ 45.831667][ T421] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 45.837389][ T421] RIP: 0033:0x7f4fb80ba669 [ 45.841643][ T421] 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 b4 ff ff ff f7 d8 64 89 01 48 [ 45.861080][ T421] RSP: 002b:00007f4fb80400c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.869328][ T421] RAX: ffffffffffffffda RBX: 00007f4fb81ccf60 RCX: 00007f4fb80ba669 [ 45.877146][ T421] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 45.884953][ T421] RBP: 00007f4fb8115fd8 R08: 0000000000000000 R09: 0000000000000000 [ 45.892759][ T421] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 45.900572][ T421] R13: 000000000000000b R14: 00007f4fb81ccf60 R15: 00007ffeaf1ffd98 [ 45.908389][ T421] ---[ end trace 51d8dcbf255edd51 ]--- [ 45.914983][ T421] ------------[ cut here ]------------ [ 45.920333][ T421] kernfs: can not remove 'events_poll_msecs', no directory [ 45.927327][ T421] WARNING: CPU: 1 PID: 421 at fs/kernfs/dir.c:1523 kernfs_remove_by_name_ns+0xb1/0x100 [ 45.936744][ T421] Modules linked in: [ 45.940467][ T421] CPU: 1 PID: 421 Comm: syz-executor.0 Tainted: G W 5.4.283-syzkaller-04981-g1cca65ac6abc #0 [ 45.951749][ T421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 45.961671][ T421] RIP: 0010:kernfs_remove_by_name_ns+0xb1/0x100 [ 45.967803][ T421] Code: ff 03 48 89 df e8 ff ef ff ff 48 89 df e8 87 af ff ff 31 db eb 27 e8 ee 73 a6 ff 48 c7 c7 c0 ac e5 84 4c 89 fe e8 9f 28 7d ff <0f> 0b bb fe ff ff ff eb 16 e8 d1 73 a6 ff bb fe ff ff ff 48 c7 c7 [ 45.987247][ T421] RSP: 0018:ffff8881dabdfa38 EFLAGS: 00010246 [ 45.993148][ T421] RAX: b22cf38e0c262700 RBX: 0000000000000000 RCX: ffff8881f31e4ec0 [ 46.000959][ T421] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 46.008872][ T421] RBP: ffffffff85a66260 R08: ffffffff814d5a52 R09: ffffed103ede5262 [ 46.016679][ T421] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 46.024493][ T421] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff84f9a100 [ 46.032306][ T421] FS: 00007f4fb80406c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 46.041196][ T421] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.047616][ T421] CR2: 00007f4fb81cd028 CR3: 00000001f21fd000 CR4: 00000000003406a0 [ 46.055431][ T421] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 46.063232][ T421] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 46.071131][ T421] Call Trace: [ 46.074266][ T421] ? __warn+0x162/0x250 [ 46.078255][ T421] ? report_bug+0x3a1/0x4e0 [ 46.082594][ T421] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 46.088235][ T421] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 46.093712][ T421] ? do_invalid_op+0x6e/0x110 [ 46.098219][ T421] ? invalid_op+0x1e/0x30 [ 46.102386][ T421] ? wake_up_klogd+0xb2/0xf0 [ 46.106913][ T421] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 46.112445][ T421] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 46.117857][ T421] sysfs_remove_files+0x91/0xe0 [ 46.122538][ T421] del_gendisk+0x26e/0xc30 [ 46.126794][ T421] ? avc_flush+0x1f0/0x1f0 [ 46.131039][ T421] ? device_add_disk_no_queue_reg+0x20/0x20 [ 46.136873][ T421] ? delete_node+0x706/0x780 [ 46.141412][ T421] loop_remove+0x42/0xa0 [ 46.145472][ T421] loop_control_ioctl+0x564/0x620 [ 46.150341][ T421] ? loop_remove+0xa0/0xa0 [ 46.154588][ T421] ? loop_remove+0xa0/0xa0 [ 46.158927][ T421] do_vfs_ioctl+0x742/0x1720 [ 46.163452][ T421] ? ioctl_preallocate+0x250/0x250 [ 46.168493][ T421] ? __fget+0x407/0x490 [ 46.172481][ T421] ? fget_many+0x20/0x20 [ 46.176555][ T421] ? switch_fpu_return+0x1d4/0x410 [ 46.181504][ T421] ? security_file_ioctl+0x7d/0xa0 [ 46.186452][ T421] __x64_sys_ioctl+0xd4/0x110 [ 46.190961][ T421] do_syscall_64+0xca/0x1c0 [ 46.195302][ T421] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 46.201031][ T421] RIP: 0033:0x7f4fb80ba669 [ 46.205279][ T421] 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 b4 ff ff ff f7 d8 64 89 01 48 [ 46.224729][ T421] RSP: 002b:00007f4fb80400c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.233054][ T421] RAX: ffffffffffffffda RBX: 00007f4fb81ccf60 RCX: 00007f4fb80ba669 [ 46.240950][ T421] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 46.248766][ T421] RBP: 00007f4fb8115fd8 R08: 0000000000000000 R09: 0000000000000000 [ 46.256577][ T421] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 46.264489][ T421] R13: 000000000000000b R14: 00007f4fb81ccf60 R15: 00007ffeaf1ffd98 [ 46.272374][ T421] ---[ end trace 51d8dcbf255edd52 ]--- [ 46.279128][ T421] ------------[ cut here ]------------ [ 46.284388][ T421] kernfs: can not remove 'bdi', no directory [ 46.290517][ T421] WARNING: CPU: 1 PID: 421 at fs/kernfs/dir.c:1523 kernfs_remove_by_name_ns+0xb1/0x100 [ 46.299923][ T421] Modules linked in: [ 46.303662][ T421] CPU: 1 PID: 421 Comm: syz-executor.0 Tainted: G W 5.4.283-syzkaller-04981-g1cca65ac6abc #0 [ 46.315033][ T421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 46.325021][ T421] RIP: 0010:kernfs_remove_by_name_ns+0xb1/0x100 [ 46.331087][ T421] Code: ff 03 48 89 df e8 ff ef ff ff 48 89 df e8 87 af ff ff 31 db eb 27 e8 ee 73 a6 ff 48 c7 c7 c0 ac e5 84 4c 89 fe e8 9f 28 7d ff <0f> 0b bb fe ff ff ff eb 16 e8 d1 73 a6 ff bb fe ff ff ff 48 c7 c7 [ 46.350532][ T421] RSP: 0018:ffff8881dabdfa78 EFLAGS: 00010246 [ 46.356549][ T421] RAX: b22cf38e0c262700 RBX: 0000000000000000 RCX: ffff8881f31e4ec0 [ 46.364356][ T421] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 46.372166][ T421] RBP: ffff8881dabdfb88 R08: ffffffff814d5a52 R09: ffffed103edea9b8 [ 46.379979][ T421] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881efb93000 [ 46.387787][ T421] R13: ffff8881efb934e8 R14: 0000000000000000 R15: ffffffff84f99ba0 [ 46.395611][ T421] FS: 00007f4fb80406c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 46.404367][ T421] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.410900][ T421] CR2: 00007f4fb81cd028 CR3: 00000001f21fd000 CR4: 00000000003406a0 [ 46.418687][ T421] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 46.426498][ T421] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 46.434313][ T421] Call Trace: [ 46.437449][ T421] ? __warn+0x162/0x250 [ 46.441439][ T421] ? report_bug+0x3a1/0x4e0 [ 46.445967][ T421] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 46.452029][ T421] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 46.457493][ T421] ? do_invalid_op+0x6e/0x110 [ 46.462015][ T421] ? invalid_op+0x1e/0x30 [ 46.466275][ T421] ? wake_up_klogd+0xb2/0xf0 [ 46.470810][ T421] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 46.476279][ T421] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 46.481746][ T421] del_gendisk+0x5a1/0xc30 [ 46.485998][ T421] ? device_add_disk_no_queue_reg+0x20/0x20 [ 46.491731][ T421] ? delete_node+0x706/0x780 [ 46.496160][ T421] loop_remove+0x42/0xa0 [ 46.500238][ T421] loop_control_ioctl+0x564/0x620 [ 46.505089][ T421] ? loop_remove+0xa0/0xa0 [ 46.509350][ T421] ? loop_remove+0xa0/0xa0 [ 46.513643][ T421] do_vfs_ioctl+0x742/0x1720 [ 46.518031][ T421] ? ioctl_preallocate+0x250/0x250 [ 46.523066][ T421] ? __fget+0x407/0x490 [ 46.527050][ T421] ? fget_many+0x20/0x20 [ 46.531130][ T421] ? switch_fpu_return+0x1d4/0x410 [ 46.536164][ T421] ? security_file_ioctl+0x7d/0xa0 [ 46.541111][ T421] __x64_sys_ioctl+0xd4/0x110 [ 46.545626][ T421] do_syscall_64+0xca/0x1c0 [ 46.549963][ T421] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 46.555693][ T421] RIP: 0033:0x7f4fb80ba669 [ 46.559943][ T421] 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 b4 ff ff ff f7 d8 64 89 01 48 [ 46.579387][ T421] RSP: 002b:00007f4fb80400c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.587630][ T421] RAX: ffffffffffffffda RBX: 00007f4fb81ccf60 RCX: 00007f4fb80ba669 [ 46.595445][ T421] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 46.603427][ T421] RBP: 00007f4fb8115fd8 R08: 0000000000000000 R09: 0000000000000000 [ 46.611235][ T421] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 46.619047][ T421] R13: 000000000000000b R14: 00007f4fb81ccf60 R15: 00007ffeaf1ffd98 [ 46.626862][ T421] ---[ end trace 51d8dcbf255edd53 ]--- [ 46.633755][ T421] kasan: CONFIG_KASAN_INLINE enabled [ 46.639006][ T421] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 46.646745][ T421] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 46.653507][ T421] CPU: 1 PID: 421 Comm: syz-executor.0 Tainted: G W 5.4.283-syzkaller-04981-g1cca65ac6abc #0 [ 46.664784][ T421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 46.674691][ T421] RIP: 0010:device_del+0xe7/0xfa0 [ 46.679546][ T421] Code: df e8 4d b1 fd fe 4c 89 7c 24 18 41 bf c8 00 00 00 48 89 5c 24 08 4c 03 3b 4d 89 fc 49 c1 ec 03 48 b8 00 00 00 00 00 fc ff df <41> 0f b6 04 04 84 c0 0f 85 31 0e 00 00 41 0f b6 1f 89 de 83 e6 01 [ 46.698985][ T421] RSP: 0018:ffff8881dabdf9c0 EFLAGS: 00010202 [ 46.704886][ T421] RAX: dffffc0000000000 RBX: ffff8881efb930d8 RCX: 1ffff1103df7261b [ 46.712785][ T421] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff8881dabdf940 [ 46.720596][ T421] RBP: ffff8881dabdfa90 R08: dffffc0000000000 R09: ffffed103b57bf29 [ 46.728406][ T421] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000019 [ 46.736218][ T421] R13: ffff8881efb93070 R14: ffff8881efb93110 R15: 00000000000000c8 [ 46.744036][ T421] FS: 00007f4fb80406c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 46.752805][ T421] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.759224][ T421] CR2: 00007f4fb81cd028 CR3: 00000001f21fd000 CR4: 00000000003406a0 [ 46.767138][ T421] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 46.774943][ T421] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 46.782757][ T421] Call Trace: [ 46.785889][ T421] ? __die+0xb4/0x100 [ 46.789700][ T421] ? die+0x26/0x50 [ 46.793255][ T421] ? do_general_protection+0x266/0x3c0 [ 46.798551][ T421] ? do_trap+0x340/0x340 [ 46.802636][ T421] ? general_protection+0x28/0x30 [ 46.807495][ T421] ? device_del+0xe7/0xfa0 [ 46.811748][ T421] ? mutex_trylock+0xa0/0xa0 [ 46.816257][ T421] ? kill_device+0xc0/0xc0 [ 46.820510][ T421] ? _raw_spin_unlock_irq+0x4a/0x60 [ 46.825549][ T421] ? pm_runtime_set_memalloc_noio+0x1ec/0x250 [ 46.831450][ T421] del_gendisk+0x9d9/0xc30 [ 46.835702][ T421] ? device_add_disk_no_queue_reg+0x20/0x20 [ 46.841427][ T421] ? delete_node+0x706/0x780 [ 46.845857][ T421] loop_remove+0x42/0xa0 [ 46.849948][ T421] loop_control_ioctl+0x564/0x620 [ 46.854827][ T421] ? loop_remove+0xa0/0xa0 [ 46.859058][ T421] ? loop_remove+0xa0/0xa0 [ 46.863390][ T421] do_vfs_ioctl+0x742/0x1720 [ 46.867816][ T421] ? ioctl_preallocate+0x250/0x250 [ 46.872766][ T421] ? __fget+0x407/0x490 [ 46.876756][ T421] ? fget_many+0x20/0x20 [ 46.880835][ T421] ? switch_fpu_return+0x1d4/0x410 [ 46.885780][ T421] ? security_file_ioctl+0x7d/0xa0 [ 46.890731][ T421] __x64_sys_ioctl+0xd4/0x110 [ 46.895243][ T421] do_syscall_64+0xca/0x1c0 [ 46.899582][ T421] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 46.905311][ T421] RIP: 0033:0x7f4fb80ba669 [ 46.909562][ T421] 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 b4 ff ff ff f7 d8 64 89 01 48 [ 46.929001][ T421] RSP: 002b:00007f4fb80400c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.937246][ T421] RAX: ffffffffffffffda RBX: 00007f4fb81ccf60 RCX: 00007f4fb80ba669 [ 46.945057][ T421] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 46.952890][ T421] RBP: 00007f4fb8115fd8 R08: 0000000000000000 R09: 0000000000000000 [ 46.960680][ T421] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 46.968492][ T421] R13: 000000000000000b R14: 00007f4fb81ccf60 R15: 00007ffeaf1ffd98 [ 46.976303][ T421] Modules linked in: [ 46.980532][ T421] ---[ end trace 51d8dcbf255edd54 ]--- [ 46.985808][ T421] RIP: 0010:device_del+0xe7/0xfa0 [ 46.990774][ T421] Code: df e8 4d b1 fd fe 4c 89 7c 24 18 41 bf c8 00 00 00 48 89 5c 24 08 4c 03 3b 4d 89 fc 49 c1 ec 03 48 b8 00 00 00 00 00 fc ff df <41> 0f b6 04 04 84 c0 0f 85 31 0e 00 00 41 0f b6 1f 89 de 83 e6 01 [ 47.010116][ T421] RSP: 0018:ffff8881dabdf9c0 EFLAGS: 00010202 [ 47.016000][ T421] RAX: dffffc0000000000 RBX: ffff8881efb930d8 RCX: 1ffff1103df7261b [ 47.023832][ T421] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff8881dabdf940 [ 47.031642][ T421] RBP: ffff8881dabdfa90 R08: dffffc0000000000 R09: ffffed103b57bf29 [ 47.039456][ T421] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000019 [ 47.047243][ T421] R13: ffff8881efb93070 R14: ffff8881efb93110 R15: 00000000000000c8 [ 47.055085][ T421] FS: 00007f4fb80406c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 47.063850][ T421] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.070271][ T421] CR2: 00007f4fb81cd028 CR3: 00000001f21fd000 CR4: 00000000003406a0 [ 47.078074][ T421] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.085868][ T421] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.093768][ T421] Kernel panic - not syncing: Fatal exception [ 47.099775][ T421] Kernel Offset: disabled [ 47.103893][ T421] Rebooting in 86400 seconds..