[ 24.027017][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 24.036520][ T124] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 24.050935][ T124] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 24.064239][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 24.075034][ T124] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 24.180155][ T358] syz-executor.0 (358) used greatest stack depth: 19416 bytes left [ 24.838993][ T179] device bridge_slave_1 left promiscuous mode [ 24.844933][ T179] bridge0: port 2(bridge_slave_1) entered disabled state [ 24.852338][ T179] device bridge_slave_0 left promiscuous mode [ 24.858271][ T179] bridge0: port 1(bridge_slave_0) entered disabled state Warning: Permanently added '10.128.10.2' (ED25519) to the list of known hosts. 2024/06/20 03:07:28 ignoring optional flag "sandboxArg"="0" 2024/06/20 03:07:29 parsed 1 programs [ 41.810580][ T23] kauditd_printk_skb: 13 callbacks suppressed [ 41.810591][ T23] audit: type=1400 audit(1718852849.090:89): avc: denied { mounton } for pid=403 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 [ 41.811223][ T403] cgroup1: Unknown subsys name 'net' [ 41.844910][ T403] cgroup1: Unknown subsys name 'net_prio' [ 41.850820][ T403] cgroup1: Unknown subsys name 'devices' 2024/06/20 03:07:29 executed programs: 0 [ 41.858235][ T403] cgroup1: Unknown subsys name 'hugetlb' [ 41.863972][ T403] cgroup1: Unknown subsys name 'rlimit' [ 41.934306][ T408] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.941427][ T408] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.949443][ T408] device bridge_slave_0 entered promiscuous mode [ 41.956879][ T408] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.963779][ T408] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.971246][ T408] device bridge_slave_1 entered promiscuous mode [ 42.023279][ T408] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.030143][ T408] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.037337][ T408] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.044145][ T408] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.068503][ T18] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.075746][ T18] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.084026][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.091535][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.109330][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.117430][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.124291][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.131557][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.139756][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.146690][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.154482][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.164055][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.180420][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 42.199420][ T124] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 42.207392][ T124] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 42.225986][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 42.234880][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 42.259090][ T23] audit: type=1400 audit(1718852849.540:90): avc: denied { read } for pid=413 comm="syz-executor.0" name="loop-control" dev="devtmpfs" ino=152 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 42.284187][ T23] audit: type=1400 audit(1718852849.540:91): avc: denied { open } for pid=413 comm="syz-executor.0" path="/dev/loop-control" dev="devtmpfs" ino=152 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 42.308850][ T23] audit: type=1400 audit(1718852849.540:92): avc: denied { ioctl } for pid=413 comm="syz-executor.0" path="/dev/loop-control" dev="devtmpfs" ino=152 ioctlcmd=0x4c81 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 42.351049][ T416] FAULT_INJECTION: forcing a failure. [ 42.351049][ T416] name failslab, interval 1, probability 0, space 0, times 1 [ 42.363801][ T416] CPU: 1 PID: 416 Comm: syz-executor.0 Not tainted 5.4.274-syzkaller-04911-g6f97bd951d82 #0 [ 42.373657][ T416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 42.383551][ T416] Call Trace: [ 42.386694][ T416] dump_stack+0x1d8/0x241 [ 42.390856][ T416] ? panic+0x89d/0x89d [ 42.394750][ T416] ? mutex_unlock+0x18/0x40 [ 42.399086][ T416] ? nf_ct_l4proto_log_invalid+0x258/0x258 [ 42.404749][ T416] ? selinux_kernfs_init_security+0x14e/0x730 [ 42.410639][ T416] ? idr_alloc_cyclic+0x369/0x5d0 [ 42.415522][ T416] should_fail+0x71f/0x880 [ 42.419749][ T416] ? setup_fault_attr+0x3d0/0x3d0 [ 42.424747][ T416] ? _raw_spin_lock+0xa4/0x1b0 [ 42.429345][ T416] ? __kernfs_new_node+0xdb/0x6e0 [ 42.434178][ T416] should_failslab+0x5/0x20 [ 42.438530][ T416] kmem_cache_alloc+0x28/0x250 [ 42.443126][ T416] __kernfs_new_node+0xdb/0x6e0 [ 42.447810][ T416] ? kernfs_new_node+0x230/0x230 [ 42.452582][ T416] ? mutex_lock+0xa5/0x110 [ 42.456831][ T416] ? mutex_trylock+0xa0/0xa0 [ 42.461261][ T416] ? kernfs_activate+0x2fe/0x320 [ 42.466032][ T416] kernfs_new_node+0x130/0x230 [ 42.470642][ T416] __kernfs_create_file+0x45/0x260 [ 42.475579][ T416] sysfs_add_file_mode_ns+0x292/0x340 [ 42.480801][ T416] internal_create_group+0x573/0xf00 [ 42.485908][ T416] ? sysfs_create_group+0x20/0x20 [ 42.490768][ T416] sysfs_create_groups+0x52/0x110 [ 42.495625][ T416] device_add_attrs+0xd0/0x370 [ 42.500230][ T416] device_add+0x4f4/0xbb0 [ 42.504399][ T416] __device_add_disk+0x767/0x1220 [ 42.509269][ T416] ? device_add_disk+0x30/0x30 [ 42.513858][ T416] ? __alloc_disk_node+0x459/0x5a0 [ 42.518796][ T416] loop_add+0x573/0x740 [ 42.522850][ T416] loop_control_ioctl+0x448/0x620 [ 42.527648][ T416] ? loop_remove+0xa0/0xa0 [ 42.531905][ T416] ? memset+0x1f/0x40 [ 42.535728][ T416] ? fsnotify+0x1280/0x1340 [ 42.540058][ T416] ? loop_remove+0xa0/0xa0 [ 42.544344][ T416] do_vfs_ioctl+0x742/0x1720 [ 42.548833][ T416] ? ioctl_preallocate+0x250/0x250 [ 42.553817][ T416] ? __fget+0x407/0x490 [ 42.557802][ T416] ? fget_many+0x20/0x20 [ 42.561853][ T416] ? debug_smp_processor_id+0x20/0x20 [ 42.567069][ T416] ? security_file_ioctl+0x7d/0xa0 [ 42.572012][ T416] __x64_sys_ioctl+0xd4/0x110 [ 42.576664][ T416] do_syscall_64+0xca/0x1c0 [ 42.580944][ T416] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 42.586682][ T416] RIP: 0033:0x7feea49591e9 [ 42.590926][ T416] 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 [ 42.610360][ T416] RSP: 002b:00007feea48be0d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.618704][ T416] RAX: ffffffffffffffda RBX: 00007feea4a6c020 RCX: 00007feea49591e9 [ 42.626520][ T416] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 42.634322][ T416] RBP: 00007feea48be120 R08: 0000000000000000 R09: 0000000000000000 [ 42.642132][ T416] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.649955][ T416] R13: 000000000000006e R14: 00007feea4a6c020 R15: 00007ffd970546c8 [ 42.659218][ T416] kobject_add_internal failed for queue (error: -2 parent: loop0) [ 42.666891][ T416] ------------[ cut here ]------------ [ 42.672250][ T416] WARNING: CPU: 1 PID: 416 at fs/sysfs/file.c:328 sysfs_create_files+0x325/0x470 [ 42.681174][ T416] Modules linked in: [ 42.684910][ T416] CPU: 1 PID: 416 Comm: syz-executor.0 Not tainted 5.4.274-syzkaller-04911-g6f97bd951d82 #0 [ 42.694800][ T416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 42.704707][ T416] RIP: 0010:sysfs_create_files+0x325/0x470 [ 42.710344][ T416] Code: c1 03 38 c1 0f 8c b7 fe ff ff 48 8d 7c 24 70 e8 61 03 d6 ff e9 a8 fe ff ff e8 c7 1e a6 ff 31 db e9 ef 00 00 00 e8 bb 1e a6 ff <0f> 0b bb ea ff ff ff 4c 8b 74 24 08 eb 17 85 db 0f 84 cf 00 00 00 [ 42.730287][ T416] RSP: 0018:ffff8881dae37940 EFLAGS: 00010293 [ 42.736368][ T416] RAX: ffffffff81be1e98 RBX: ffff8881ef72e0a0 RCX: ffff8881f0dc0000 [ 42.744175][ T416] RDX: 0000000000000000 RSI: ffffffff85a660a0 RDI: ffff8881ef72e070 [ 42.751984][ T416] RBP: ffff8881dae37a10 R08: ffffffff844a8470 R09: ffffed103dd8c8c8 [ 42.759892][ T416] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 42.767786][ T416] R13: ffffffff84f99880 R14: dffffc0000000000 R15: ffff8881ef72e070 [ 42.775601][ T416] FS: 00007feea48be6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 42.784355][ T416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.790779][ T416] CR2: 00007fd469837870 CR3: 00000001ef6d0000 CR4: 00000000003406a0 [ 42.798594][ T416] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.806400][ T416] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.814206][ T416] Call Trace: [ 42.817434][ T416] ? __warn+0x162/0x250 [ 42.821561][ T416] ? report_bug+0x3a1/0x4e0 [ 42.825860][ T416] ? sysfs_create_files+0x325/0x470 [ 42.831017][ T416] ? sysfs_create_files+0x325/0x470 [ 42.836040][ T416] ? do_invalid_op+0x6e/0x110 [ 42.840563][ T416] ? invalid_op+0x1e/0x30 [ 42.844731][ T416] ? kobject_get+0xc0/0x110 [ 42.849076][ T416] ? sysfs_create_files+0x458/0x470 [ 42.854097][ T416] ? sysfs_create_files+0x325/0x470 [ 42.859130][ T416] ? sysfs_create_file_ns+0x2a0/0x2a0 [ 42.864346][ T416] ? kobject_get+0xc9/0x110 [ 42.868687][ T416] __device_add_disk+0x949/0x1220 [ 42.873543][ T416] ? device_add_disk+0x30/0x30 [ 42.878297][ T416] ? __alloc_disk_node+0x459/0x5a0 [ 42.883200][ T416] loop_add+0x573/0x740 [ 42.887196][ T416] loop_control_ioctl+0x448/0x620 [ 42.892052][ T416] ? loop_remove+0xa0/0xa0 [ 42.896317][ T416] ? memset+0x1f/0x40 [ 42.900120][ T416] ? fsnotify+0x1280/0x1340 [ 42.904460][ T416] ? loop_remove+0xa0/0xa0 [ 42.908728][ T416] do_vfs_ioctl+0x742/0x1720 [ 42.913155][ T416] ? ioctl_preallocate+0x250/0x250 [ 42.918089][ T416] ? __fget+0x407/0x490 [ 42.922080][ T416] ? fget_many+0x20/0x20 [ 42.926157][ T416] ? debug_smp_processor_id+0x20/0x20 [ 42.931365][ T416] ? security_file_ioctl+0x7d/0xa0 [ 42.936314][ T416] __x64_sys_ioctl+0xd4/0x110 [ 42.940915][ T416] do_syscall_64+0xca/0x1c0 [ 42.945253][ T416] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 42.951003][ T416] RIP: 0033:0x7feea49591e9 [ 42.955231][ T416] 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 [ 42.974847][ T416] RSP: 002b:00007feea48be0d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.983201][ T416] RAX: ffffffffffffffda RBX: 00007feea4a6c020 RCX: 00007feea49591e9 [ 42.991136][ T416] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 42.999109][ T416] RBP: 00007feea48be120 R08: 0000000000000000 R09: 0000000000000000 [ 43.007014][ T416] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.014815][ T416] R13: 000000000000006e R14: 00007feea4a6c020 R15: 00007ffd970546c8 [ 43.022717][ T416] ---[ end trace f6c9ebfdd6ecc494 ]--- [ 43.029667][ T416] ------------[ cut here ]------------ [ 43.034946][ T416] kernfs: can not remove 'events', no directory [ 43.041298][ T416] WARNING: CPU: 1 PID: 416 at fs/kernfs/dir.c:1523 kernfs_remove_by_name_ns+0xb1/0x100 [ 43.050719][ T416] Modules linked in: [ 43.054481][ T416] CPU: 1 PID: 416 Comm: syz-executor.0 Tainted: G W 5.4.274-syzkaller-04911-g6f97bd951d82 #0 [ 43.065907][ T416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 43.075811][ T416] RIP: 0010:kernfs_remove_by_name_ns+0xb1/0x100 [ 43.081883][ T416] Code: ff 03 48 89 df e8 ff ef ff ff 48 89 df e8 87 af ff ff 31 db eb 27 e8 5e 7c a6 ff 48 c7 c7 c0 a7 e5 84 4c 89 fe e8 7f 30 7d ff <0f> 0b bb fe ff ff ff eb 16 e8 41 7c a6 ff bb fe ff ff ff 48 c7 c7 [ 43.101423][ T416] RSP: 0018:ffff8881dae37918 EFLAGS: 00010246 [ 43.107398][ T416] RAX: 678bdcf8de8db500 RBX: 0000000000000000 RCX: ffff8881f0dc0000 [ 43.115217][ T416] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 43.123030][ T416] RBP: ffff8881dae37a10 R08: ffffffff814d5cd2 R09: ffffed103edea9b8 [ 43.131132][ T416] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 43.138944][ T416] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff84f99940 [ 43.146762][ T416] FS: 00007feea48be6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 43.155515][ T416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.161952][ T416] CR2: 00007fd469837870 CR3: 00000001ef6d0000 CR4: 00000000003406a0 [ 43.169836][ T416] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.177642][ T416] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 43.185464][ T416] Call Trace: [ 43.188590][ T416] ? __warn+0x162/0x250 [ 43.192582][ T416] ? report_bug+0x3a1/0x4e0 [ 43.196915][ T416] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 43.202398][ T416] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 43.207862][ T416] ? do_invalid_op+0x6e/0x110 [ 43.212413][ T416] ? invalid_op+0x1e/0x30 [ 43.217326][ T416] ? wake_up_klogd+0xb2/0xf0 [ 43.221837][ T416] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 43.227303][ T416] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 43.232768][ T416] sysfs_create_files+0x3de/0x470 [ 43.237636][ T416] ? sysfs_create_file_ns+0x2a0/0x2a0 [ 43.242840][ T416] ? kobject_get+0xc9/0x110 [ 43.247182][ T416] __device_add_disk+0x949/0x1220 [ 43.252126][ T416] ? device_add_disk+0x30/0x30 [ 43.256723][ T416] ? __alloc_disk_node+0x459/0x5a0 [ 43.261675][ T416] loop_add+0x573/0x740 [ 43.265750][ T416] loop_control_ioctl+0x448/0x620 [ 43.270610][ T416] ? loop_remove+0xa0/0xa0 [ 43.274863][ T416] ? memset+0x1f/0x40 [ 43.278679][ T416] ? fsnotify+0x1280/0x1340 [ 43.283021][ T416] ? loop_remove+0xa0/0xa0 [ 43.287288][ T416] do_vfs_ioctl+0x742/0x1720 [ 43.291745][ T416] ? ioctl_preallocate+0x250/0x250 [ 43.296652][ T416] ? __fget+0x407/0x490 [ 43.300640][ T416] ? fget_many+0x20/0x20 [ 43.304806][ T416] ? debug_smp_processor_id+0x20/0x20 [ 43.310101][ T416] ? security_file_ioctl+0x7d/0xa0 [ 43.315148][ T416] __x64_sys_ioctl+0xd4/0x110 [ 43.319650][ T416] do_syscall_64+0xca/0x1c0 [ 43.323989][ T416] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 43.329715][ T416] RIP: 0033:0x7feea49591e9 [ 43.333968][ T416] 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 [ 43.353503][ T416] RSP: 002b:00007feea48be0d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.361739][ T416] RAX: ffffffffffffffda RBX: 00007feea4a6c020 RCX: 00007feea49591e9 [ 43.369548][ T416] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 43.377375][ T416] RBP: 00007feea48be120 R08: 0000000000000000 R09: 0000000000000000 [ 43.385244][ T416] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.392985][ T416] R13: 000000000000006e R14: 00007feea4a6c020 R15: 00007ffd970546c8 [ 43.400802][ T416] ---[ end trace f6c9ebfdd6ecc495 ]--- [ 43.408490][ T416] loop0: failed to create sysfs files for events [ 43.421309][ T419] ------------[ cut here ]------------ [ 43.426596][ T419] kernfs: can not remove 'events', no directory [ 43.432774][ T419] WARNING: CPU: 1 PID: 419 at fs/kernfs/dir.c:1523 kernfs_remove_by_name_ns+0xb1/0x100 [ 43.442112][ T419] Modules linked in: [ 43.445848][ T419] CPU: 1 PID: 419 Comm: syz-executor.0 Tainted: G W 5.4.274-syzkaller-04911-g6f97bd951d82 #0 [ 43.457130][ T419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 43.467221][ T419] RIP: 0010:kernfs_remove_by_name_ns+0xb1/0x100 [ 43.473296][ T419] Code: ff 03 48 89 df e8 ff ef ff ff 48 89 df e8 87 af ff ff 31 db eb 27 e8 5e 7c a6 ff 48 c7 c7 c0 a7 e5 84 4c 89 fe e8 7f 30 7d ff <0f> 0b bb fe ff ff ff eb 16 e8 41 7c a6 ff bb fe ff ff ff 48 c7 c7 [ 43.492832][ T419] RSP: 0018:ffff8881ef77fa38 EFLAGS: 00010246 [ 43.498700][ T419] RAX: 926898ee93a39e00 RBX: 0000000000000000 RCX: ffff8881f31d3f00 [ 43.506510][ T419] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 43.514361][ T419] RBP: ffffffff85a660a0 R08: ffffffff814d5cd2 R09: 0000000000000003 [ 43.522141][ T419] R10: ffffffffffffffff R11: dffffc0000000001 R12: 0000000000000000 [ 43.529962][ T419] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff84f99940 [ 43.537774][ T419] FS: 00007feea48df6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 43.546530][ T419] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.552944][ T419] CR2: 00007feea4a6c018 CR3: 00000001ef6d0000 CR4: 00000000003406a0 [ 43.560756][ T419] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.568685][ T419] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 43.576612][ T419] Call Trace: [ 43.579748][ T419] ? __warn+0x162/0x250 [ 43.583736][ T419] ? report_bug+0x3a1/0x4e0 [ 43.588072][ T419] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 43.593542][ T419] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 43.599189][ T419] ? do_invalid_op+0x6e/0x110 [ 43.603699][ T419] ? invalid_op+0x1e/0x30 [ 43.607863][ T419] ? wake_up_klogd+0xb2/0xf0 [ 43.612292][ T419] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 43.617769][ T419] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 43.623224][ T419] sysfs_remove_files+0x91/0xe0 [ 43.627915][ T419] del_gendisk+0x26e/0xc30 [ 43.632204][ T419] ? avc_flush+0x1f0/0x1f0 [ 43.636424][ T419] ? device_add_disk_no_queue_reg+0x20/0x20 [ 43.642145][ T419] ? delete_node+0x706/0x780 [ 43.646575][ T419] loop_remove+0x42/0xa0 [ 43.650669][ T419] loop_control_ioctl+0x564/0x620 [ 43.655508][ T419] ? loop_remove+0xa0/0xa0 [ 43.659948][ T419] ? loop_remove+0xa0/0xa0 [ 43.664196][ T419] do_vfs_ioctl+0x742/0x1720 [ 43.668622][ T419] ? ioctl_preallocate+0x250/0x250 [ 43.673564][ T419] ? __fget+0x407/0x490 [ 43.677645][ T419] ? fget_many+0x20/0x20 [ 43.681724][ T419] ? switch_fpu_return+0x1d4/0x410 [ 43.686844][ T419] ? security_file_ioctl+0x7d/0xa0 [ 43.691790][ T419] __x64_sys_ioctl+0xd4/0x110 [ 43.696301][ T419] do_syscall_64+0xca/0x1c0 [ 43.700645][ T419] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 43.706455][ T419] RIP: 0033:0x7feea49591e9 [ 43.710708][ T419] 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 [ 43.730378][ T419] RSP: 002b:00007feea48df0d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.738620][ T419] RAX: ffffffffffffffda RBX: 00007feea4a6bf60 RCX: 00007feea49591e9 [ 43.746426][ T419] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 43.754249][ T419] RBP: 00007feea49b3e76 R08: 0000000000000000 R09: 0000000000000000 [ 43.762133][ T419] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 43.769947][ T419] R13: 000000000000000b R14: 00007feea4a6bf60 R15: 00007ffd970546c8 [ 43.777767][ T419] ---[ end trace f6c9ebfdd6ecc496 ]--- [ 43.784903][ T419] ------------[ cut here ]------------ [ 43.790646][ T419] kernfs: can not remove 'events_async', no directory [ 43.797286][ T419] WARNING: CPU: 1 PID: 419 at fs/kernfs/dir.c:1523 kernfs_remove_by_name_ns+0xb1/0x100 [ 43.806675][ T419] Modules linked in: [ 43.810400][ T419] CPU: 1 PID: 419 Comm: syz-executor.0 Tainted: G W 5.4.274-syzkaller-04911-g6f97bd951d82 #0 [ 43.821689][ T419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 43.831582][ T419] RIP: 0010:kernfs_remove_by_name_ns+0xb1/0x100 [ 43.837651][ T419] Code: ff 03 48 89 df e8 ff ef ff ff 48 89 df e8 87 af ff ff 31 db eb 27 e8 5e 7c a6 ff 48 c7 c7 c0 a7 e5 84 4c 89 fe e8 7f 30 7d ff <0f> 0b bb fe ff ff ff eb 16 e8 41 7c a6 ff bb fe ff ff ff 48 c7 c7 [ 43.857182][ T419] RSP: 0018:ffff8881ef77fa38 EFLAGS: 00010246 [ 43.863079][ T419] RAX: 926898ee93a39e00 RBX: 0000000000000000 RCX: ffff8881f31d3f00 [ 43.870890][ T419] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 43.878788][ T419] RBP: ffffffff85a660a0 R08: ffffffff814d5cd2 R09: ffffed103ede5262 [ 43.886598][ T419] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 43.894413][ T419] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff84f999e0 [ 43.902310][ T419] FS: 00007feea48df6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 43.911079][ T419] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.917792][ T419] CR2: 00007feea4a6c018 CR3: 00000001ef6d0000 CR4: 00000000003406a0 [ 43.925618][ T419] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.933417][ T419] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 43.941220][ T419] Call Trace: [ 43.944355][ T419] ? __warn+0x162/0x250 [ 43.948347][ T419] ? report_bug+0x3a1/0x4e0 [ 43.952682][ T419] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 43.958158][ T419] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 43.963620][ T419] ? do_invalid_op+0x6e/0x110 [ 43.968140][ T419] ? invalid_op+0x1e/0x30 [ 43.972313][ T419] ? wake_up_klogd+0xb2/0xf0 [ 43.976731][ T419] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 43.982334][ T419] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 43.987788][ T419] sysfs_remove_files+0x91/0xe0 [ 43.992486][ T419] del_gendisk+0x26e/0xc30 [ 43.996725][ T419] ? avc_flush+0x1f0/0x1f0 [ 44.000984][ T419] ? device_add_disk_no_queue_reg+0x20/0x20 [ 44.006712][ T419] ? delete_node+0x706/0x780 [ 44.011307][ T419] loop_remove+0x42/0xa0 [ 44.015387][ T419] loop_control_ioctl+0x564/0x620 [ 44.020250][ T419] ? loop_remove+0xa0/0xa0 [ 44.024504][ T419] ? loop_remove+0xa0/0xa0 [ 44.028758][ T419] do_vfs_ioctl+0x742/0x1720 [ 44.033201][ T419] ? ioctl_preallocate+0x250/0x250 [ 44.038253][ T419] ? __fget+0x407/0x490 [ 44.042239][ T419] ? fget_many+0x20/0x20 [ 44.046320][ T419] ? switch_fpu_return+0x1d4/0x410 [ 44.051257][ T419] ? security_file_ioctl+0x7d/0xa0 [ 44.056202][ T419] __x64_sys_ioctl+0xd4/0x110 [ 44.060732][ T419] do_syscall_64+0xca/0x1c0 [ 44.065067][ T419] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 44.070782][ T419] RIP: 0033:0x7feea49591e9 [ 44.075126][ T419] 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 [ 44.094819][ T419] RSP: 002b:00007feea48df0d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.103281][ T419] RAX: ffffffffffffffda RBX: 00007feea4a6bf60 RCX: 00007feea49591e9 [ 44.111044][ T419] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 44.118905][ T419] RBP: 00007feea49b3e76 R08: 0000000000000000 R09: 0000000000000000 [ 44.126677][ T419] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 44.134479][ T419] R13: 000000000000000b R14: 00007feea4a6bf60 R15: 00007ffd970546c8 [ 44.142299][ T419] ---[ end trace f6c9ebfdd6ecc497 ]--- [ 44.150060][ T419] ------------[ cut here ]------------ [ 44.155340][ T419] kernfs: can not remove 'events_poll_msecs', no directory [ 44.162488][ T419] WARNING: CPU: 1 PID: 419 at fs/kernfs/dir.c:1523 kernfs_remove_by_name_ns+0xb1/0x100 [ 44.171816][ T419] Modules linked in: [ 44.175648][ T419] CPU: 1 PID: 419 Comm: syz-executor.0 Tainted: G W 5.4.274-syzkaller-04911-g6f97bd951d82 #0 [ 44.187185][ T419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 44.197083][ T419] RIP: 0010:kernfs_remove_by_name_ns+0xb1/0x100 [ 44.203155][ T419] Code: ff 03 48 89 df e8 ff ef ff ff 48 89 df e8 87 af ff ff 31 db eb 27 e8 5e 7c a6 ff 48 c7 c7 c0 a7 e5 84 4c 89 fe e8 7f 30 7d ff <0f> 0b bb fe ff ff ff eb 16 e8 41 7c a6 ff bb fe ff ff ff 48 c7 c7 [ 44.222682][ T419] RSP: 0018:ffff8881ef77fa38 EFLAGS: 00010246 [ 44.228588][ T419] RAX: 926898ee93a39e00 RBX: 0000000000000000 RCX: ffff8881f31d3f00 [ 44.236396][ T419] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 44.244203][ T419] RBP: ffffffff85a660a0 R08: ffffffff814d5cd2 R09: 0000000000000003 [ 44.252014][ T419] R10: ffffffffffffffff R11: dffffc0000000001 R12: 0000000000000000 [ 44.259827][ T419] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff84f99a00 [ 44.267638][ T419] FS: 00007feea48df6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 44.276402][ T419] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.282912][ T419] CR2: 00007feea4a6c018 CR3: 00000001ef6d0000 CR4: 00000000003406a0 [ 44.290750][ T419] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.298620][ T419] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.306518][ T419] Call Trace: [ 44.309655][ T419] ? __warn+0x162/0x250 [ 44.313644][ T419] ? report_bug+0x3a1/0x4e0 [ 44.317977][ T419] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 44.323456][ T419] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 44.329004][ T419] ? do_invalid_op+0x6e/0x110 [ 44.333525][ T419] ? invalid_op+0x1e/0x30 [ 44.337680][ T419] ? wake_up_klogd+0xb2/0xf0 [ 44.342110][ T419] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 44.347577][ T419] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 44.353044][ T419] sysfs_remove_files+0x91/0xe0 [ 44.357737][ T419] del_gendisk+0x26e/0xc30 [ 44.361986][ T419] ? avc_flush+0x1f0/0x1f0 [ 44.366235][ T419] ? device_add_disk_no_queue_reg+0x20/0x20 [ 44.371964][ T419] ? delete_node+0x706/0x780 [ 44.376396][ T419] loop_remove+0x42/0xa0 [ 44.380568][ T419] loop_control_ioctl+0x564/0x620 [ 44.386041][ T419] ? loop_remove+0xa0/0xa0 [ 44.390291][ T419] ? loop_remove+0xa0/0xa0 [ 44.394542][ T419] do_vfs_ioctl+0x742/0x1720 [ 44.398987][ T419] ? ioctl_preallocate+0x250/0x250 [ 44.403929][ T419] ? __fget+0x407/0x490 [ 44.407912][ T419] ? fget_many+0x20/0x20 [ 44.411989][ T419] ? switch_fpu_return+0x1d4/0x410 [ 44.416933][ T419] ? security_file_ioctl+0x7d/0xa0 [ 44.421880][ T419] __x64_sys_ioctl+0xd4/0x110 [ 44.426394][ T419] do_syscall_64+0xca/0x1c0 [ 44.430735][ T419] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 44.436457][ T419] RIP: 0033:0x7feea49591e9 [ 44.440714][ T419] 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 [ 44.460156][ T419] RSP: 002b:00007feea48df0d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.468400][ T419] RAX: ffffffffffffffda RBX: 00007feea4a6bf60 RCX: 00007feea49591e9 [ 44.476408][ T419] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 44.484420][ T419] RBP: 00007feea49b3e76 R08: 0000000000000000 R09: 0000000000000000 [ 44.492205][ T419] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 44.500013][ T419] R13: 000000000000000b R14: 00007feea4a6bf60 R15: 00007ffd970546c8 [ 44.507835][ T419] ---[ end trace f6c9ebfdd6ecc498 ]--- [ 44.515797][ T419] ------------[ cut here ]------------ [ 44.522020][ T419] kernfs: can not remove 'bdi', no directory [ 44.527886][ T419] WARNING: CPU: 0 PID: 419 at fs/kernfs/dir.c:1523 kernfs_remove_by_name_ns+0xb1/0x100 [ 44.537339][ T419] Modules linked in: [ 44.541100][ T419] CPU: 0 PID: 419 Comm: syz-executor.0 Tainted: G W 5.4.274-syzkaller-04911-g6f97bd951d82 #0 [ 44.552359][ T419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 44.562266][ T419] RIP: 0010:kernfs_remove_by_name_ns+0xb1/0x100 [ 44.568428][ T419] Code: ff 03 48 89 df e8 ff ef ff ff 48 89 df e8 87 af ff ff 31 db eb 27 e8 5e 7c a6 ff 48 c7 c7 c0 a7 e5 84 4c 89 fe e8 7f 30 7d ff <0f> 0b bb fe ff ff ff eb 16 e8 41 7c a6 ff bb fe ff ff ff 48 c7 c7 [ 44.587956][ T419] RSP: 0018:ffff8881ef77fa78 EFLAGS: 00010246 [ 44.593843][ T419] RAX: 926898ee93a39e00 RBX: 0000000000000000 RCX: ffff8881f31d3f00 [ 44.601656][ T419] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 44.609554][ T419] RBP: ffff8881ef77fb88 R08: ffffffff814d5cd2 R09: ffffed103edc5262 [ 44.617377][ T419] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881ef72e000 [ 44.625267][ T419] R13: ffff8881ef72e4e8 R14: 0000000000000000 R15: ffffffff84f994a0 [ 44.633168][ T419] FS: 00007feea48df6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 44.641934][ T419] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.648438][ T419] CR2: 00007feea48bdff8 CR3: 00000001ef6d0000 CR4: 00000000003406b0 [ 44.656258][ T419] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.664063][ T419] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.671870][ T419] Call Trace: [ 44.675001][ T419] ? __warn+0x162/0x250 [ 44.678990][ T419] ? report_bug+0x3a1/0x4e0 [ 44.683331][ T419] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 44.688800][ T419] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 44.694279][ T419] ? do_invalid_op+0x6e/0x110 [ 44.698783][ T419] ? invalid_op+0x1e/0x30 [ 44.702944][ T419] ? wake_up_klogd+0xb2/0xf0 [ 44.707372][ T419] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 44.712839][ T419] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 44.718311][ T419] del_gendisk+0x5a1/0xc30 [ 44.722563][ T419] ? device_add_disk_no_queue_reg+0x20/0x20 [ 44.728287][ T419] ? delete_node+0x706/0x780 [ 44.732717][ T419] loop_remove+0x42/0xa0 [ 44.736799][ T419] loop_control_ioctl+0x564/0x620 [ 44.741957][ T419] ? loop_remove+0xa0/0xa0 [ 44.746647][ T419] ? loop_remove+0xa0/0xa0 [ 44.750885][ T419] do_vfs_ioctl+0x742/0x1720 [ 44.755308][ T419] ? ioctl_preallocate+0x250/0x250 [ 44.760258][ T419] ? __fget+0x407/0x490 [ 44.764244][ T419] ? fget_many+0x20/0x20 [ 44.768324][ T419] ? switch_fpu_return+0x1d4/0x410 [ 44.773272][ T419] ? security_file_ioctl+0x7d/0xa0 [ 44.778226][ T419] __x64_sys_ioctl+0xd4/0x110 [ 44.782740][ T419] do_syscall_64+0xca/0x1c0 [ 44.787071][ T419] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 44.792796][ T419] RIP: 0033:0x7feea49591e9 [ 44.797171][ T419] 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 [ 44.816607][ T419] RSP: 002b:00007feea48df0d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.824938][ T419] RAX: ffffffffffffffda RBX: 00007feea4a6bf60 RCX: 00007feea49591e9 [ 44.832755][ T419] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 44.840562][ T419] RBP: 00007feea49b3e76 R08: 0000000000000000 R09: 0000000000000000 [ 44.848379][ T419] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 44.856448][ T419] R13: 000000000000000b R14: 00007feea4a6bf60 R15: 00007ffd970546c8 [ 44.864262][ T419] ---[ end trace f6c9ebfdd6ecc499 ]--- [ 44.871320][ T419] kasan: CONFIG_KASAN_INLINE enabled [ 44.876411][ T419] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 44.884373][ T419] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 44.891128][ T419] CPU: 0 PID: 419 Comm: syz-executor.0 Tainted: G W 5.4.274-syzkaller-04911-g6f97bd951d82 #0 [ 44.902455][ T419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 44.912355][ T419] RIP: 0010:device_del+0xe7/0xfa0 [ 44.917227][ T419] Code: df e8 0d c3 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 [ 44.936751][ T419] RSP: 0018:ffff8881ef77f9c0 EFLAGS: 00010202 [ 44.942638][ T419] RAX: dffffc0000000000 RBX: ffff8881ef72e0d8 RCX: 1ffff1103dee5c1b [ 44.950448][ T419] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff8881ef77f940 [ 44.958362][ T419] RBP: ffff8881ef77fa90 R08: dffffc0000000000 R09: ffffed103deeff29 [ 44.966198][ T419] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000019 [ 44.973983][ T419] R13: ffff8881ef72e070 R14: ffff8881ef72e110 R15: 00000000000000c8 [ 44.981886][ T419] FS: 00007feea48df6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 44.990654][ T419] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.997081][ T419] CR2: 00007feea48bdff8 CR3: 00000001ef6d0000 CR4: 00000000003406b0 [ 45.005000][ T419] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.012811][ T419] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.020612][ T419] Call Trace: [ 45.023985][ T419] ? __die+0xb4/0x100 [ 45.027797][ T419] ? die+0x26/0x50 [ 45.031448][ T419] ? do_general_protection+0x266/0x3c0 [ 45.036832][ T419] ? do_trap+0x340/0x340 [ 45.040902][ T419] ? general_protection+0x28/0x30 [ 45.045762][ T419] ? device_del+0xe7/0xfa0 [ 45.050020][ T419] ? mutex_trylock+0xa0/0xa0 [ 45.054451][ T419] ? kill_device+0xc0/0xc0 [ 45.058695][ T419] ? _raw_spin_unlock_irq+0x4a/0x60 [ 45.063727][ T419] ? pm_runtime_set_memalloc_noio+0x1ec/0x250 [ 45.069637][ T419] del_gendisk+0x9d9/0xc30 [ 45.073884][ T419] ? device_add_disk_no_queue_reg+0x20/0x20 [ 45.079607][ T419] ? delete_node+0x706/0x780 [ 45.084058][ T419] loop_remove+0x42/0xa0 [ 45.088216][ T419] loop_control_ioctl+0x564/0x620 [ 45.093065][ T419] ? loop_remove+0xa0/0xa0 [ 45.097377][ T419] ? loop_remove+0xa0/0xa0 [ 45.101573][ T419] do_vfs_ioctl+0x742/0x1720 [ 45.105994][ T419] ? ioctl_preallocate+0x250/0x250 [ 45.110951][ T419] ? __fget+0x407/0x490 [ 45.114951][ T419] ? fget_many+0x20/0x20 [ 45.119029][ T419] ? switch_fpu_return+0x1d4/0x410 [ 45.123973][ T419] ? security_file_ioctl+0x7d/0xa0 [ 45.128916][ T419] __x64_sys_ioctl+0xd4/0x110 [ 45.133421][ T419] do_syscall_64+0xca/0x1c0 [ 45.137759][ T419] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 45.143510][ T419] RIP: 0033:0x7feea49591e9 [ 45.147742][ T419] 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 [ 45.167210][ T419] RSP: 002b:00007feea48df0d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.175532][ T419] RAX: ffffffffffffffda RBX: 00007feea4a6bf60 RCX: 00007feea49591e9 [ 45.183453][ T419] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 45.191265][ T419] RBP: 00007feea49b3e76 R08: 0000000000000000 R09: 0000000000000000 [ 45.199179][ T419] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 45.206973][ T419] R13: 000000000000000b R14: 00007feea4a6bf60 R15: 00007ffd970546c8 [ 45.214786][ T419] Modules linked in: [ 45.219952][ T419] ---[ end trace f6c9ebfdd6ecc49a ]--- [ 45.225228][ T419] RIP: 0010:device_del+0xe7/0xfa0 [ 45.230155][ T419] Code: df e8 0d c3 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 [ 45.249966][ T419] RSP: 0018:ffff8881ef77f9c0 EFLAGS: 00010202 [ 45.256066][ T419] RAX: dffffc0000000000 RBX: ffff8881ef72e0d8 RCX: 1ffff1103dee5c1b [ 45.263871][ T419] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff8881ef77f940 [ 45.271665][ T419] RBP: ffff8881ef77fa90 R08: dffffc0000000000 R09: ffffed103deeff29 [ 45.279481][ T419] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000019 [ 45.287267][ T419] R13: ffff8881ef72e070 R14: ffff8881ef72e110 R15: 00000000000000c8 [ 45.295467][ T419] FS: 00007feea48df6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 45.304239][ T419] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.310643][ T419] CR2: 00007feea48bdff8 CR3: 00000001ef6d0000 CR4: 00000000003406b0 [ 45.318483][ T419] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.326248][ T419] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.334085][ T419] Kernel panic - not syncing: Fatal exception [ 45.340250][ T419] Kernel Offset: disabled [ 45.344373][ T419] Rebooting in 86400 seconds..