Warning: Permanently added '10.128.0.242' (ECDSA) to the list of known hosts. 2022/05/26 18:30:17 parsed 1 programs [ 37.668005][ T23] audit: type=1400 audit(1653589817.190:148): avc: denied { mounton } for pid=401 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 [ 37.671531][ T401] cgroup: Unknown subsys name 'net' [ 37.697120][ T401] cgroup: Unknown subsys name 'devices' [ 37.703485][ T401] cgroup: Unknown subsys name 'hugetlb' [ 37.710146][ T401] cgroup: Unknown subsys name 'rlimit' 2022/05/26 18:30:17 executed programs: 0 [ 37.716687][ T23] audit: type=1400 audit(1653589817.250:149): avc: denied { mounton } for pid=401 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 37.743354][ T23] audit: type=1400 audit(1653589817.250:150): avc: denied { mount } for pid=401 comm="syz-executor" name="/" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=filesystem permissive=1 [ 37.762604][ T404] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.768039][ T23] audit: type=1400 audit(1653589817.260:151): avc: denied { mounton } for pid=404 comm="syz-executor.0" path="/sys/fs/fuse/connections" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=dir permissive=1 [ 37.775965][ T404] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.800203][ T23] audit: type=1400 audit(1653589817.260:152): avc: denied { module_request } for pid=404 comm="syz-executor.0" kmod="netdev-nr0" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 37.808128][ T404] device bridge_slave_0 entered promiscuous mode [ 37.837219][ T404] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.844715][ T404] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.852218][ T404] device bridge_slave_1 entered promiscuous mode [ 37.879056][ T404] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.886349][ T404] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.894071][ T404] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.901800][ T404] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.917241][ T376] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.924734][ T376] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.933212][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 37.940700][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.949506][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 37.957937][ T382] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.964969][ T382] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.981790][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 37.990728][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 37.999471][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.008266][ T382] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.015483][ T382] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.023212][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.031655][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.042275][ T376] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.055006][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.064042][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.075521][ T23] audit: type=1400 audit(1653589817.600:153): avc: denied { mount } for pid=404 comm="syz-executor.0" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [ 38.101321][ T23] audit: type=1400 audit(1653589817.600:154): avc: denied { ioctl } for pid=408 comm="syz-executor.0" path="/dev/loop-control" dev="devtmpfs" ino=114 ioctlcmd=0x4c81 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 38.172199][ T411] FAULT_INJECTION: forcing a failure. [ 38.172199][ T411] name failslab, interval 1, probability 0, space 0, times 1 [ 38.185106][ T411] CPU: 1 PID: 411 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 38.196138][ T411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.206698][ T411] Call Trace: [ 38.209984][ T411] dump_stack_lvl+0x1e2/0x24b [ 38.214999][ T411] ? panic+0x7d7/0x7d7 [ 38.219253][ T411] ? bfq_pos_tree_add_move+0x43e/0x43e [ 38.224985][ T411] dump_stack+0x15/0x17 [ 38.229277][ T411] should_fail+0x3c0/0x510 [ 38.233797][ T411] __should_failslab+0x9f/0xe0 [ 38.238613][ T411] should_failslab+0x9/0x20 [ 38.243100][ T411] kmem_cache_alloc+0x3f/0x300 [ 38.247943][ T411] ? __kernfs_new_node+0xdb/0x6e0 [ 38.253669][ T411] __kernfs_new_node+0xdb/0x6e0 [ 38.259545][ T411] ? stack_trace_save+0x12d/0x1f0 [ 38.264846][ T411] ? kernfs_new_node+0x170/0x170 [ 38.270345][ T411] ? stack_trace_snprint+0x100/0x100 [ 38.275991][ T411] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 38.282325][ T411] ? stack_depot_save+0x433/0x4a0 [ 38.287722][ T411] ? device_add+0xbe/0xbd0 [ 38.292326][ T411] kernfs_create_dir_ns+0x9b/0x230 [ 38.297523][ T411] sysfs_create_dir_ns+0x181/0x390 [ 38.302810][ T411] ? sysfs_warn_dup+0xa0/0xa0 [ 38.307651][ T411] kobject_add_internal+0x766/0xda0 [ 38.313948][ T411] kobject_add+0x14c/0x210 [ 38.318763][ T411] ? _raw_spin_lock+0xa3/0x1b0 [ 38.324047][ T411] ? kobject_init+0x1e0/0x1e0 [ 38.328880][ T411] ? __kasan_check_write+0x14/0x20 [ 38.334255][ T411] ? mutex_unlock+0x1d/0x40 [ 38.338763][ T411] ? get_device_parent+0x2c5/0x430 [ 38.343954][ T411] device_add+0x3ca/0xbd0 [ 38.348441][ T411] __device_add_disk+0x7c1/0x11b0 [ 38.353919][ T411] ? device_add_disk+0x40/0x40 [ 38.359384][ T411] ? vsprintf+0x40/0x40 [ 38.363529][ T411] ? pm_runtime_init+0x26e/0x340 [ 38.368468][ T411] ? device_initialize+0x1d9/0x3a0 [ 38.373754][ T411] device_add_disk+0x2a/0x40 [ 38.378597][ T411] loop_add+0x5c1/0x8a0 [ 38.382980][ T411] loop_control_ioctl+0x564/0x740 [ 38.388228][ T411] ? loop_remove+0xb0/0xb0 [ 38.392726][ T411] ? __fget_files+0x310/0x370 [ 38.397488][ T411] ? security_file_ioctl+0xb1/0xd0 [ 38.402716][ T411] ? loop_remove+0xb0/0xb0 [ 38.407212][ T411] __se_sys_ioctl+0x115/0x190 [ 38.412139][ T411] __x64_sys_ioctl+0x7b/0x90 [ 38.416935][ T411] do_syscall_64+0x34/0x70 [ 38.421334][ T411] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 38.427332][ T411] RIP: 0033:0x7f1b1c2bc0e9 [ 38.431996][ T411] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 38.452699][ T411] RSP: 002b:00007f1b1c211168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 38.461355][ T411] RAX: ffffffffffffffda RBX: 00007f1b1c3cf030 RCX: 00007f1b1c2bc0e9 [ 38.469481][ T411] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 38.477618][ T411] RBP: 00007f1b1c2111d0 R08: 0000000000000000 R09: 0000000000000000 [ 38.485653][ T411] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 38.493610][ T411] R13: 00007ffe57b7dd5f R14: 00007f1b1c211300 R15: 0000000000022000 [ 38.502573][ T23] audit: type=1400 audit(1653589818.030:155): avc: denied { append } for pid=142 comm="syslogd" name="messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 38.502717][ T411] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 38.526662][ T23] audit: type=1400 audit(1653589818.030:156): avc: denied { open } for pid=142 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 38.556600][ T23] audit: type=1400 audit(1653589818.030:157): avc: denied { getattr } for pid=142 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 38.557224][ T411] loop_add NOT OK return -12 [ 38.589097][ T413] FAULT_INJECTION: forcing a failure. [ 38.589097][ T413] name failslab, interval 1, probability 0, space 0, times 0 [ 38.601969][ T413] CPU: 0 PID: 413 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 38.612873][ T413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.623065][ T413] Call Trace: [ 38.626492][ T413] dump_stack_lvl+0x1e2/0x24b [ 38.631422][ T413] ? bfq_pos_tree_add_move+0x43e/0x43e [ 38.637032][ T413] dump_stack+0x15/0x17 [ 38.641261][ T413] should_fail+0x3c0/0x510 [ 38.645762][ T413] ? __kernfs_new_node+0x99/0x6e0 [ 38.651123][ T413] __should_failslab+0x9f/0xe0 [ 38.655988][ T413] should_failslab+0x9/0x20 [ 38.660572][ T413] __kmalloc_track_caller+0x5f/0x350 [ 38.666026][ T413] ? __kernel_text_address+0x9a/0x110 [ 38.671463][ T413] ? unwind_get_return_address+0x4c/0x90 [ 38.677074][ T413] kstrdup_const+0x55/0x90 [ 38.681494][ T413] __kernfs_new_node+0x99/0x6e0 [ 38.686499][ T413] ? stack_trace_save+0x12d/0x1f0 [ 38.691675][ T413] ? kernfs_new_node+0x170/0x170 [ 38.696671][ T413] ? stack_trace_snprint+0x100/0x100 [ 38.701936][ T413] ? dput+0x2ce/0x320 [ 38.706065][ T413] ? device_add+0xbe/0xbd0 [ 38.710727][ T413] kernfs_create_dir_ns+0x9b/0x230 [ 38.716007][ T413] sysfs_create_dir_ns+0x181/0x390 [ 38.721292][ T413] ? sysfs_warn_dup+0xa0/0xa0 [ 38.725948][ T413] kobject_add_internal+0x766/0xda0 [ 38.731127][ T413] kobject_add+0x14c/0x210 [ 38.735609][ T413] ? _raw_spin_lock+0xa3/0x1b0 [ 38.740446][ T413] ? kobject_init+0x1e0/0x1e0 [ 38.745292][ T413] ? __kasan_check_write+0x14/0x20 [ 38.750479][ T413] ? mutex_unlock+0x1d/0x40 [ 38.755051][ T413] ? get_device_parent+0x2c5/0x430 [ 38.760320][ T413] device_add+0x3ca/0xbd0 [ 38.764742][ T413] __device_add_disk+0x7c1/0x11b0 [ 38.769850][ T413] ? device_add_disk+0x40/0x40 [ 38.774690][ T413] ? vsprintf+0x40/0x40 [ 38.779240][ T413] ? pm_runtime_init+0x26e/0x340 [ 38.784162][ T413] ? device_initialize+0x1d9/0x3a0 [ 38.789259][ T413] device_add_disk+0x2a/0x40 [ 38.794465][ T413] loop_add+0x5c1/0x8a0 [ 38.799319][ T413] loop_control_ioctl+0x564/0x740 [ 38.804656][ T413] ? loop_remove+0xb0/0xb0 [ 38.809305][ T413] ? __fget_files+0x310/0x370 [ 38.814182][ T413] ? security_file_ioctl+0xb1/0xd0 [ 38.819524][ T413] ? loop_remove+0xb0/0xb0 [ 38.823943][ T413] __se_sys_ioctl+0x115/0x190 [ 38.828803][ T413] __x64_sys_ioctl+0x7b/0x90 [ 38.834325][ T413] do_syscall_64+0x34/0x70 [ 38.838820][ T413] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 38.844985][ T413] RIP: 0033:0x7f1b1c2bc0e9 [ 38.849474][ T413] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 38.869887][ T413] RSP: 002b:00007f1b1c232168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 38.878480][ T413] RAX: ffffffffffffffda RBX: 00007f1b1c3cef60 RCX: 00007f1b1c2bc0e9 [ 38.886559][ T413] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 38.894708][ T413] RBP: 00007f1b1c2321d0 R08: 0000000000000000 R09: 0000000000000000 [ 38.902662][ T413] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 38.910872][ T413] R13: 00007ffe57b7dd5f R14: 00007f1b1c232300 R15: 0000000000022000 [ 38.919720][ T413] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 38.928220][ T413] loop_add NOT OK return -12 [ 38.937840][ T415] FAULT_INJECTION: forcing a failure. [ 38.937840][ T415] name failslab, interval 1, probability 0, space 0, times 0 [ 38.951034][ T415] CPU: 0 PID: 415 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 38.962165][ T415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.972489][ T415] Call Trace: [ 38.975853][ T415] dump_stack_lvl+0x1e2/0x24b [ 38.980652][ T415] ? bfq_pos_tree_add_move+0x43e/0x43e [ 38.986095][ T415] dump_stack+0x15/0x17 [ 38.990228][ T415] should_fail+0x3c0/0x510 [ 38.994831][ T415] ? __kernfs_new_node+0x99/0x6e0 [ 38.999858][ T415] __should_failslab+0x9f/0xe0 [ 39.004727][ T415] should_failslab+0x9/0x20 [ 39.009395][ T415] __kmalloc_track_caller+0x5f/0x350 [ 39.015006][ T415] ? __kernel_text_address+0x9a/0x110 [ 39.020473][ T415] ? unwind_get_return_address+0x4c/0x90 [ 39.026084][ T415] kstrdup_const+0x55/0x90 [ 39.030585][ T415] __kernfs_new_node+0x99/0x6e0 [ 39.035444][ T415] ? stack_trace_save+0x12d/0x1f0 [ 39.041155][ T415] ? kernfs_new_node+0x170/0x170 [ 39.046935][ T415] ? stack_trace_snprint+0x100/0x100 [ 39.052208][ T415] ? dput+0x2ce/0x320 [ 39.056269][ T415] ? device_add+0xbe/0xbd0 [ 39.060937][ T415] kernfs_create_dir_ns+0x9b/0x230 [ 39.066132][ T415] sysfs_create_dir_ns+0x181/0x390 [ 39.071408][ T415] ? sysfs_warn_dup+0xa0/0xa0 [ 39.076152][ T415] kobject_add_internal+0x766/0xda0 [ 39.081588][ T415] kobject_add+0x14c/0x210 [ 39.085982][ T415] ? _raw_spin_lock+0xa3/0x1b0 [ 39.090854][ T415] ? kobject_init+0x1e0/0x1e0 [ 39.095643][ T415] ? __kasan_check_write+0x14/0x20 [ 39.100925][ T415] ? mutex_unlock+0x1d/0x40 [ 39.105696][ T415] ? get_device_parent+0x2c5/0x430 [ 39.110784][ T415] device_add+0x3ca/0xbd0 [ 39.115219][ T415] __device_add_disk+0x7c1/0x11b0 [ 39.120221][ T415] ? device_add_disk+0x40/0x40 [ 39.124960][ T415] ? vsprintf+0x40/0x40 [ 39.129094][ T415] ? pm_runtime_init+0x26e/0x340 [ 39.134441][ T415] ? device_initialize+0x1d9/0x3a0 [ 39.139614][ T415] device_add_disk+0x2a/0x40 [ 39.144201][ T415] loop_add+0x5c1/0x8a0 [ 39.148345][ T415] loop_control_ioctl+0x564/0x740 [ 39.153442][ T415] ? loop_remove+0xb0/0xb0 [ 39.157932][ T415] ? __fget_files+0x310/0x370 [ 39.162587][ T415] ? security_file_ioctl+0xb1/0xd0 [ 39.167868][ T415] ? loop_remove+0xb0/0xb0 [ 39.173583][ T415] __se_sys_ioctl+0x115/0x190 [ 39.179740][ T415] __x64_sys_ioctl+0x7b/0x90 [ 39.184524][ T415] do_syscall_64+0x34/0x70 [ 39.189190][ T415] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 39.195151][ T415] RIP: 0033:0x7f1b1c2bc0e9 [ 39.200094][ T415] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 39.220327][ T415] RSP: 002b:00007f1b1c232168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 39.228983][ T415] RAX: ffffffffffffffda RBX: 00007f1b1c3cef60 RCX: 00007f1b1c2bc0e9 [ 39.236930][ T415] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 39.244966][ T415] RBP: 00007f1b1c2321d0 R08: 0000000000000000 R09: 0000000000000000 [ 39.253173][ T415] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 39.261503][ T415] R13: 00007ffe57b7dd5f R14: 00007f1b1c232300 R15: 0000000000022000 [ 39.271233][ T415] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 39.280684][ T415] loop_add NOT OK return -12 [ 39.292112][ T417] FAULT_INJECTION: forcing a failure. [ 39.292112][ T417] name failslab, interval 1, probability 0, space 0, times 0 [ 39.305744][ T417] CPU: 1 PID: 417 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 39.317246][ T417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.327567][ T417] Call Trace: [ 39.331291][ T417] dump_stack_lvl+0x1e2/0x24b [ 39.336307][ T417] ? panic+0x7d7/0x7d7 [ 39.341402][ T417] ? bfq_pos_tree_add_move+0x43e/0x43e [ 39.347075][ T417] ? __kasan_kmalloc+0x9/0x10 [ 39.351995][ T417] ? kobj_map+0x72/0x6f0 [ 39.356858][ T417] ? __device_add_disk+0x6e0/0x11b0 [ 39.362267][ T417] ? device_add_disk+0x2a/0x40 [ 39.367228][ T417] ? loop_control_ioctl+0x564/0x740 [ 39.373714][ T417] ? __se_sys_ioctl+0x115/0x190 [ 39.378645][ T417] ? __x64_sys_ioctl+0x7b/0x90 [ 39.386195][ T417] dump_stack+0x15/0x17 [ 39.390341][ T417] should_fail+0x3c0/0x510 [ 39.394768][ T417] ? kvasprintf_const+0x139/0x180 [ 39.399977][ T417] __should_failslab+0x9f/0xe0 [ 39.406667][ T417] should_failslab+0x9/0x20 [ 39.411337][ T417] __kmalloc_track_caller+0x5f/0x350 [ 39.416698][ T417] kstrdup_const+0x55/0x90 [ 39.421196][ T417] kvasprintf_const+0x139/0x180 [ 39.426030][ T417] kobject_set_name_vargs+0x61/0x120 [ 39.431596][ T417] dev_set_name+0xd1/0x120 [ 39.436223][ T417] ? __kmalloc+0x1f7/0x360 [ 39.440898][ T417] ? get_device+0x30/0x30 [ 39.445258][ T417] ? kobj_map+0x6ad/0x6f0 [ 39.449584][ T417] __device_add_disk+0x733/0x11b0 [ 39.455074][ T417] ? device_add_disk+0x40/0x40 [ 39.460018][ T417] ? vsprintf+0x40/0x40 [ 39.464349][ T417] ? pm_runtime_init+0x26e/0x340 [ 39.469496][ T417] ? device_initialize+0x1d9/0x3a0 [ 39.474782][ T417] device_add_disk+0x2a/0x40 [ 39.479856][ T417] loop_add+0x5c1/0x8a0 [ 39.484095][ T417] loop_control_ioctl+0x564/0x740 [ 39.489848][ T417] ? loop_remove+0xb0/0xb0 [ 39.494443][ T417] ? __fget_files+0x310/0x370 [ 39.499235][ T417] ? security_file_ioctl+0xb1/0xd0 [ 39.504759][ T417] ? loop_remove+0xb0/0xb0 [ 39.511168][ T417] __se_sys_ioctl+0x115/0x190 [ 39.516196][ T417] __x64_sys_ioctl+0x7b/0x90 [ 39.521056][ T417] do_syscall_64+0x34/0x70 [ 39.526131][ T417] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 39.532379][ T417] RIP: 0033:0x7f1b1c2bc0e9 [ 39.537034][ T417] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 39.557861][ T417] RSP: 002b:00007f1b1c232168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 39.566959][ T417] RAX: ffffffffffffffda RBX: 00007f1b1c3cef60 RCX: 00007f1b1c2bc0e9 [ 39.575183][ T417] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 39.583378][ T417] RBP: 00007f1b1c2321d0 R08: 0000000000000000 R09: 0000000000000000 [ 39.591542][ T417] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 39.600468][ T417] R13: 00007ffe57b7dd5f R14: 00007f1b1c232300 R15: 0000000000022000 [ 39.611439][ T417] loop_add NOT OK return -22 [ 39.622914][ T419] FAULT_INJECTION: forcing a failure. [ 39.622914][ T419] name failslab, interval 1, probability 0, space 0, times 0 [ 39.636313][ T419] CPU: 0 PID: 419 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 39.647313][ T419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.657827][ T419] Call Trace: [ 39.661722][ T419] dump_stack_lvl+0x1e2/0x24b [ 39.666519][ T419] ? bfq_pos_tree_add_move+0x43e/0x43e [ 39.672069][ T419] dump_stack+0x15/0x17 [ 39.676650][ T419] should_fail+0x3c0/0x510 [ 39.681522][ T419] ? __kernfs_new_node+0x99/0x6e0 [ 39.687156][ T419] __should_failslab+0x9f/0xe0 [ 39.692580][ T419] should_failslab+0x9/0x20 [ 39.697246][ T419] __kmalloc_track_caller+0x5f/0x350 [ 39.704124][ T419] ? __kernel_text_address+0x9a/0x110 [ 39.710050][ T419] ? unwind_get_return_address+0x4c/0x90 [ 39.716839][ T419] kstrdup_const+0x55/0x90 [ 39.722263][ T419] __kernfs_new_node+0x99/0x6e0 [ 39.729207][ T419] ? stack_trace_save+0x12d/0x1f0 [ 39.735689][ T419] ? kernfs_new_node+0x170/0x170 [ 39.742067][ T419] ? stack_trace_snprint+0x100/0x100 [ 39.747725][ T419] ? dput+0x2ce/0x320 [ 39.752832][ T419] ? device_add+0xbe/0xbd0 [ 39.757577][ T419] kernfs_create_dir_ns+0x9b/0x230 [ 39.763335][ T419] sysfs_create_dir_ns+0x181/0x390 [ 39.769485][ T419] ? sysfs_warn_dup+0xa0/0xa0 [ 39.775041][ T419] kobject_add_internal+0x766/0xda0 [ 39.780692][ T419] kobject_add+0x14c/0x210 [ 39.787655][ T419] ? _raw_spin_lock+0xa3/0x1b0 [ 39.792520][ T419] ? kobject_init+0x1e0/0x1e0 [ 39.797766][ T419] ? __kasan_check_write+0x14/0x20 [ 39.803451][ T419] ? mutex_unlock+0x1d/0x40 [ 39.808392][ T419] ? get_device_parent+0x2c5/0x430 [ 39.814084][ T419] device_add+0x3ca/0xbd0 [ 39.818607][ T419] __device_add_disk+0x7c1/0x11b0 [ 39.824660][ T419] ? device_add_disk+0x40/0x40 [ 39.830704][ T419] ? vsprintf+0x40/0x40 [ 39.835157][ T419] ? pm_runtime_init+0x26e/0x340 [ 39.840867][ T419] ? device_initialize+0x1d9/0x3a0 [ 39.846810][ T419] device_add_disk+0x2a/0x40 [ 39.852162][ T419] loop_add+0x5c1/0x8a0 [ 39.857365][ T419] loop_control_ioctl+0x564/0x740 [ 39.863059][ T419] ? loop_remove+0xb0/0xb0 [ 39.867729][ T419] ? __fget_files+0x310/0x370 [ 39.873559][ T419] ? security_file_ioctl+0xb1/0xd0 [ 39.878832][ T419] ? loop_remove+0xb0/0xb0 [ 39.883406][ T419] __se_sys_ioctl+0x115/0x190 [ 39.888167][ T419] __x64_sys_ioctl+0x7b/0x90 [ 39.894124][ T419] do_syscall_64+0x34/0x70 [ 39.899191][ T419] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 39.905543][ T419] RIP: 0033:0x7f1b1c2bc0e9 [ 39.910155][ 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 b8 ff ff ff f7 d8 64 89 01 48 [ 39.930295][ T419] RSP: 002b:00007f1b1c232168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 39.939040][ T419] RAX: ffffffffffffffda RBX: 00007f1b1c3cef60 RCX: 00007f1b1c2bc0e9 [ 39.947339][ T419] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 39.957230][ T419] RBP: 00007f1b1c2321d0 R08: 0000000000000000 R09: 0000000000000000 [ 39.966647][ T419] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 39.975510][ T419] R13: 00007ffe57b7dd5f R14: 00007f1b1c232300 R15: 0000000000022000 [ 39.987964][ T419] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 39.997579][ T419] loop_add NOT OK return -12 [ 40.009714][ T421] FAULT_INJECTION: forcing a failure. [ 40.009714][ T421] name failslab, interval 1, probability 0, space 0, times 0 [ 40.024474][ T421] CPU: 0 PID: 421 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 40.037127][ T421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.051164][ T421] Call Trace: [ 40.055913][ T421] dump_stack_lvl+0x1e2/0x24b [ 40.060782][ T421] ? panic+0x7d7/0x7d7 [ 40.065710][ T421] ? bfq_pos_tree_add_move+0x43e/0x43e [ 40.071586][ T421] ? memcpy+0x56/0x70 [ 40.077445][ T421] dump_stack+0x15/0x17 [ 40.082462][ T421] should_fail+0x3c0/0x510 [ 40.087672][ T421] ? device_add+0xbe/0xbd0 [ 40.093817][ T421] __should_failslab+0x9f/0xe0 [ 40.100497][ T421] should_failslab+0x9/0x20 [ 40.107079][ T421] kmem_cache_alloc_trace+0x3a/0x330 [ 40.114077][ T421] ? __kasan_check_write+0x14/0x20 [ 40.120435][ T421] device_add+0xbe/0xbd0 [ 40.125526][ T421] __device_add_disk+0x7c1/0x11b0 [ 40.130979][ T421] ? device_add_disk+0x40/0x40 [ 40.136441][ T421] ? vsprintf+0x40/0x40 [ 40.141963][ T421] ? pm_runtime_init+0x26e/0x340 [ 40.147938][ T421] ? device_initialize+0x1d9/0x3a0 [ 40.154138][ T421] device_add_disk+0x2a/0x40 [ 40.159785][ T421] loop_add+0x5c1/0x8a0 [ 40.164779][ T421] loop_control_ioctl+0x564/0x740 [ 40.170449][ T421] ? loop_remove+0xb0/0xb0 [ 40.179060][ T421] ? __fget_files+0x310/0x370 [ 40.188260][ T421] ? security_file_ioctl+0xb1/0xd0 [ 40.193934][ T421] ? loop_remove+0xb0/0xb0 [ 40.198417][ T421] __se_sys_ioctl+0x115/0x190 [ 40.203265][ T421] __x64_sys_ioctl+0x7b/0x90 [ 40.208048][ T421] do_syscall_64+0x34/0x70 [ 40.213012][ T421] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.219769][ T421] RIP: 0033:0x7f1b1c2bc0e9 [ 40.224743][ 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 b8 ff ff ff f7 d8 64 89 01 48 [ 40.246652][ T421] RSP: 002b:00007f1b1c232168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 40.255409][ T421] RAX: ffffffffffffffda RBX: 00007f1b1c3cef60 RCX: 00007f1b1c2bc0e9 [ 40.264599][ T421] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 40.274550][ T421] RBP: 00007f1b1c2321d0 R08: 0000000000000000 R09: 0000000000000000 [ 40.283925][ T421] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.293951][ T421] R13: 00007ffe57b7dd5f R14: 00007f1b1c232300 R15: 0000000000022000 [ 40.305402][ T421] loop_add NOT OK return -12 [ 40.319884][ T423] FAULT_INJECTION: forcing a failure. [ 40.319884][ T423] name failslab, interval 1, probability 0, space 0, times 0 [ 40.335419][ T423] CPU: 0 PID: 423 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 40.350822][ T423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.365147][ T423] Call Trace: [ 40.369930][ T423] dump_stack_lvl+0x1e2/0x24b [ 40.375506][ T423] ? panic+0x7d7/0x7d7 [ 40.380986][ T423] ? bfq_pos_tree_add_move+0x43e/0x43e [ 40.388592][ T423] ? __kasan_kmalloc+0x9/0x10 [ 40.396266][ T423] ? kobj_map+0x72/0x6f0 [ 40.403241][ T423] ? __device_add_disk+0x6e0/0x11b0 [ 40.412107][ T423] ? device_add_disk+0x2a/0x40 [ 40.418151][ T423] ? loop_control_ioctl+0x564/0x740 [ 40.424124][ T423] ? __se_sys_ioctl+0x115/0x190 [ 40.429614][ T423] ? __x64_sys_ioctl+0x7b/0x90 [ 40.435393][ T423] dump_stack+0x15/0x17 [ 40.440532][ T423] should_fail+0x3c0/0x510 [ 40.447638][ T423] ? kvasprintf_const+0x139/0x180 [ 40.453917][ T423] __should_failslab+0x9f/0xe0 [ 40.460202][ T423] should_failslab+0x9/0x20 [ 40.466003][ T423] __kmalloc_track_caller+0x5f/0x350 [ 40.472918][ T423] kstrdup_const+0x55/0x90 [ 40.478068][ T423] kvasprintf_const+0x139/0x180 [ 40.483439][ T423] kobject_set_name_vargs+0x61/0x120 [ 40.490017][ T423] dev_set_name+0xd1/0x120 [ 40.494939][ T423] ? __kmalloc+0x1f7/0x360 [ 40.500102][ T423] ? get_device+0x30/0x30 [ 40.504611][ T423] ? kobj_map+0x6ad/0x6f0 [ 40.509325][ T423] __device_add_disk+0x733/0x11b0 [ 40.515356][ T423] ? device_add_disk+0x40/0x40 [ 40.520575][ T423] ? vsprintf+0x40/0x40 [ 40.526327][ T423] ? pm_runtime_init+0x26e/0x340 [ 40.531886][ T423] ? device_initialize+0x1d9/0x3a0 [ 40.537346][ T423] device_add_disk+0x2a/0x40 [ 40.541930][ T423] loop_add+0x5c1/0x8a0 [ 40.546242][ T423] loop_control_ioctl+0x564/0x740 [ 40.551450][ T423] ? loop_remove+0xb0/0xb0 [ 40.556303][ T423] ? __fget_files+0x310/0x370 [ 40.561438][ T423] ? security_file_ioctl+0xb1/0xd0 [ 40.566545][ T423] ? loop_remove+0xb0/0xb0 [ 40.571494][ T423] __se_sys_ioctl+0x115/0x190 [ 40.576672][ T423] __x64_sys_ioctl+0x7b/0x90 [ 40.581345][ T423] do_syscall_64+0x34/0x70 [ 40.585931][ T423] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.592497][ T423] RIP: 0033:0x7f1b1c2bc0e9 [ 40.597320][ T423] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 40.618384][ T423] RSP: 002b:00007f1b1c232168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 40.630456][ T423] RAX: ffffffffffffffda RBX: 00007f1b1c3cef60 RCX: 00007f1b1c2bc0e9 [ 40.639315][ T423] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 40.649026][ T423] RBP: 00007f1b1c2321d0 R08: 0000000000000000 R09: 0000000000000000 [ 40.658295][ T423] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.667528][ T423] R13: 00007ffe57b7dd5f R14: 00007f1b1c232300 R15: 0000000000022000 [ 40.679098][ T423] loop_add NOT OK return -22 [ 40.690670][ T425] FAULT_INJECTION: forcing a failure. [ 40.690670][ T425] name failslab, interval 1, probability 0, space 0, times 0 [ 40.705261][ T425] CPU: 1 PID: 425 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 40.717047][ T425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.727887][ T425] Call Trace: [ 40.731586][ T425] dump_stack_lvl+0x1e2/0x24b [ 40.736520][ T425] ? bfq_pos_tree_add_move+0x43e/0x43e [ 40.743226][ T425] dump_stack+0x15/0x17 [ 40.747719][ T425] should_fail+0x3c0/0x510 [ 40.753865][ T425] ? __kernfs_new_node+0x99/0x6e0 [ 40.759250][ T425] __should_failslab+0x9f/0xe0 [ 40.764153][ T425] should_failslab+0x9/0x20 [ 40.769442][ T425] __kmalloc_track_caller+0x5f/0x350 [ 40.775427][ T425] ? __kernel_text_address+0x9a/0x110 [ 40.781072][ T425] ? unwind_get_return_address+0x4c/0x90 [ 40.787494][ T425] kstrdup_const+0x55/0x90 [ 40.792191][ T425] __kernfs_new_node+0x99/0x6e0 [ 40.797671][ T425] ? stack_trace_save+0x12d/0x1f0 [ 40.802781][ T425] ? kernfs_new_node+0x170/0x170 [ 40.807959][ T425] ? stack_trace_snprint+0x100/0x100 [ 40.813633][ T425] ? dput+0x2ce/0x320 [ 40.818221][ T425] ? device_add+0xbe/0xbd0 [ 40.823171][ T425] kernfs_create_dir_ns+0x9b/0x230 [ 40.830726][ T425] sysfs_create_dir_ns+0x181/0x390 [ 40.836474][ T425] ? sysfs_warn_dup+0xa0/0xa0 [ 40.842212][ T425] kobject_add_internal+0x766/0xda0 [ 40.848810][ T425] kobject_add+0x14c/0x210 [ 40.854090][ T425] ? _raw_spin_lock+0xa3/0x1b0 [ 40.859688][ T425] ? kobject_init+0x1e0/0x1e0 [ 40.864835][ T425] ? __kasan_check_write+0x14/0x20 [ 40.870664][ T425] ? mutex_unlock+0x1d/0x40 [ 40.875690][ T425] ? get_device_parent+0x2c5/0x430 [ 40.881625][ T425] device_add+0x3ca/0xbd0 [ 40.886637][ T425] __device_add_disk+0x7c1/0x11b0 [ 40.891747][ T425] ? device_add_disk+0x40/0x40 [ 40.896896][ T425] ? vsprintf+0x40/0x40 [ 40.902960][ T425] ? pm_runtime_init+0x26e/0x340 [ 40.909054][ T425] ? device_initialize+0x1d9/0x3a0 [ 40.915067][ T425] device_add_disk+0x2a/0x40 [ 40.920121][ T425] loop_add+0x5c1/0x8a0 [ 40.925774][ T425] loop_control_ioctl+0x564/0x740 [ 40.932397][ T425] ? loop_remove+0xb0/0xb0 [ 40.937658][ T425] ? __fget_files+0x310/0x370 [ 40.943186][ T425] ? security_file_ioctl+0xb1/0xd0 [ 40.948950][ T425] ? loop_remove+0xb0/0xb0 [ 40.954433][ T425] __se_sys_ioctl+0x115/0x190 [ 40.960150][ T425] __x64_sys_ioctl+0x7b/0x90 [ 40.965667][ T425] do_syscall_64+0x34/0x70 [ 40.970888][ T425] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.978333][ T425] RIP: 0033:0x7f1b1c2bc0e9 [ 40.983286][ T425] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 41.008028][ T425] RSP: 002b:00007f1b1c232168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 41.017314][ T425] RAX: ffffffffffffffda RBX: 00007f1b1c3cef60 RCX: 00007f1b1c2bc0e9 [ 41.025380][ T425] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 41.034448][ T425] RBP: 00007f1b1c2321d0 R08: 0000000000000000 R09: 0000000000000000 [ 41.042818][ T425] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.052139][ T425] R13: 00007ffe57b7dd5f R14: 00007f1b1c232300 R15: 0000000000022000 [ 41.062454][ T425] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 41.072202][ T425] loop_add NOT OK return -12 [ 41.083034][ T427] FAULT_INJECTION: forcing a failure. [ 41.083034][ T427] name failslab, interval 1, probability 0, space 0, times 0 [ 41.096834][ T427] CPU: 0 PID: 427 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 41.108261][ T427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.118935][ T427] Call Trace: [ 41.122352][ T427] dump_stack_lvl+0x1e2/0x24b [ 41.127486][ T427] ? panic+0x7d7/0x7d7 [ 41.132151][ T427] ? bfq_pos_tree_add_move+0x43e/0x43e [ 41.138098][ T427] ? memcpy+0x56/0x70 [ 41.142121][ T427] dump_stack+0x15/0x17 [ 41.146924][ T427] should_fail+0x3c0/0x510 [ 41.151790][ T427] ? device_add+0xbe/0xbd0 [ 41.156380][ T427] __should_failslab+0x9f/0xe0 [ 41.161603][ T427] should_failslab+0x9/0x20 [ 41.166472][ T427] kmem_cache_alloc_trace+0x3a/0x330 [ 41.172094][ T427] ? __kasan_check_write+0x14/0x20 [ 41.177504][ T427] device_add+0xbe/0xbd0 [ 41.182022][ T427] __device_add_disk+0x7c1/0x11b0 [ 41.187133][ T427] ? device_add_disk+0x40/0x40 [ 41.192210][ T427] ? vsprintf+0x40/0x40 [ 41.196935][ T427] ? pm_runtime_init+0x26e/0x340 [ 41.202321][ T427] ? device_initialize+0x1d9/0x3a0 [ 41.208223][ T427] device_add_disk+0x2a/0x40 [ 41.213427][ T427] loop_add+0x5c1/0x8a0 [ 41.218211][ T427] loop_control_ioctl+0x564/0x740 [ 41.224589][ T427] ? loop_remove+0xb0/0xb0 [ 41.232250][ T427] ? __fget_files+0x310/0x370 [ 41.238832][ T427] ? security_file_ioctl+0xb1/0xd0 [ 41.244345][ T427] ? loop_remove+0xb0/0xb0 [ 41.249388][ T427] __se_sys_ioctl+0x115/0x190 [ 41.254719][ T427] __x64_sys_ioctl+0x7b/0x90 [ 41.260670][ T427] do_syscall_64+0x34/0x70 [ 41.265433][ T427] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.271502][ T427] RIP: 0033:0x7f1b1c2bc0e9 [ 41.276355][ T427] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 41.303381][ T427] RSP: 002b:00007f1b1c232168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 41.313054][ T427] RAX: ffffffffffffffda RBX: 00007f1b1c3cef60 RCX: 00007f1b1c2bc0e9 [ 41.321459][ T427] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 41.330081][ T427] RBP: 00007f1b1c2321d0 R08: 0000000000000000 R09: 0000000000000000 [ 41.338477][ T427] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.346705][ T427] R13: 00007ffe57b7dd5f R14: 00007f1b1c232300 R15: 0000000000022000 [ 41.357769][ T427] loop_add NOT OK return -12 [ 41.369099][ T429] FAULT_INJECTION: forcing a failure. [ 41.369099][ T429] name failslab, interval 1, probability 0, space 0, times 0 [ 41.382428][ T429] CPU: 0 PID: 429 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 41.393486][ T429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.403891][ T429] Call Trace: [ 41.407171][ T429] dump_stack_lvl+0x1e2/0x24b [ 41.412006][ T429] ? panic+0x7d7/0x7d7 [ 41.416409][ T429] ? bfq_pos_tree_add_move+0x43e/0x43e [ 41.422203][ T429] dump_stack+0x15/0x17 [ 41.426427][ T429] should_fail+0x3c0/0x510 [ 41.430909][ T429] __should_failslab+0x9f/0xe0 [ 41.435988][ T429] should_failslab+0x9/0x20 [ 41.440602][ T429] kmem_cache_alloc+0x3f/0x300 [ 41.445363][ T429] ? __kernfs_new_node+0xdb/0x6e0 [ 41.451729][ T429] __kernfs_new_node+0xdb/0x6e0 [ 41.457089][ T429] ? stack_trace_save+0x12d/0x1f0 [ 41.462821][ T429] ? kernfs_new_node+0x170/0x170 [ 41.468007][ T429] ? stack_trace_snprint+0x100/0x100 [ 41.473657][ T429] ? dput+0x2ce/0x320 [ 41.478079][ T429] ? device_add+0xbe/0xbd0 [ 41.482777][ T429] kernfs_create_dir_ns+0x9b/0x230 [ 41.488496][ T429] sysfs_create_dir_ns+0x181/0x390 [ 41.493875][ T429] ? sysfs_warn_dup+0xa0/0xa0 [ 41.498550][ T429] kobject_add_internal+0x766/0xda0 [ 41.504118][ T429] kobject_add+0x14c/0x210 [ 41.508742][ T429] ? _raw_spin_lock+0xa3/0x1b0 [ 41.513787][ T429] ? kobject_init+0x1e0/0x1e0 [ 41.518625][ T429] ? __kasan_check_write+0x14/0x20 [ 41.523736][ T429] ? mutex_unlock+0x1d/0x40 [ 41.528321][ T429] ? get_device_parent+0x2c5/0x430 [ 41.533777][ T429] device_add+0x3ca/0xbd0 [ 41.538096][ T429] __device_add_disk+0x7c1/0x11b0 [ 41.543586][ T429] ? device_add_disk+0x40/0x40 [ 41.548448][ T429] ? vsprintf+0x40/0x40 [ 41.552756][ T429] ? pm_runtime_init+0x26e/0x340 [ 41.557959][ T429] ? device_initialize+0x1d9/0x3a0 [ 41.563157][ T429] device_add_disk+0x2a/0x40 [ 41.568051][ T429] loop_add+0x5c1/0x8a0 [ 41.572611][ T429] loop_control_ioctl+0x564/0x740 [ 41.578348][ T429] ? loop_remove+0xb0/0xb0 [ 41.582770][ T429] ? __fget_files+0x310/0x370 [ 41.587875][ T429] ? security_file_ioctl+0xb1/0xd0 [ 41.593113][ T429] ? loop_remove+0xb0/0xb0 [ 41.598139][ T429] __se_sys_ioctl+0x115/0x190 [ 41.602993][ T429] __x64_sys_ioctl+0x7b/0x90 [ 41.607754][ T429] do_syscall_64+0x34/0x70 [ 41.612274][ T429] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.618263][ T429] RIP: 0033:0x7f1b1c2bc0e9 [ 41.622762][ T429] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 41.643047][ T429] RSP: 002b:00007f1b1c232168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 41.651661][ T429] RAX: ffffffffffffffda RBX: 00007f1b1c3cef60 RCX: 00007f1b1c2bc0e9 [ 41.660094][ T429] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 41.668219][ T429] RBP: 00007f1b1c2321d0 R08: 0000000000000000 R09: 0000000000000000 [ 41.676178][ T429] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.684851][ T429] R13: 00007ffe57b7dd5f R14: 00007f1b1c232300 R15: 0000000000022000 [ 41.693681][ T429] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 41.702508][ T429] loop_add NOT OK return -12 [ 41.712459][ T431] FAULT_INJECTION: forcing a failure. [ 41.712459][ T431] name failslab, interval 1, probability 0, space 0, times 0 [ 41.725510][ T431] CPU: 0 PID: 431 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 41.737101][ T431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.748131][ T431] Call Trace: [ 41.751585][ T431] dump_stack_lvl+0x1e2/0x24b [ 41.757220][ T431] ? panic+0x7d7/0x7d7 [ 41.761463][ T431] ? bfq_pos_tree_add_move+0x43e/0x43e [ 41.767087][ T431] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 41.772119][ T431] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 41.777301][ T431] dump_stack+0x15/0x17 [ 41.781625][ T431] should_fail+0x3c0/0x510 [ 41.786216][ T431] ? kobj_map+0x72/0x6f0 [ 41.790679][ T431] __should_failslab+0x9f/0xe0 [ 41.795716][ T431] should_failslab+0x9/0x20 [ 41.800464][ T431] __kmalloc+0x60/0x360 [ 41.804776][ T431] ? __device_add_disk+0x585/0x11b0 [ 41.810399][ T431] kobj_map+0x72/0x6f0 [ 41.814573][ T431] ? exact_match+0x20/0x20 [ 41.819249][ T431] ? bdev_check_media_change+0x4c0/0x4c0 [ 41.825219][ T431] __device_add_disk+0x6e0/0x11b0 [ 41.830446][ T431] ? device_add_disk+0x40/0x40 [ 41.835200][ T431] ? vsprintf+0x40/0x40 [ 41.839523][ T431] ? pm_runtime_init+0x26e/0x340 [ 41.844726][ T431] ? device_initialize+0x1d9/0x3a0 [ 41.850179][ T431] device_add_disk+0x2a/0x40 [ 41.855058][ T431] loop_add+0x5c1/0x8a0 [ 41.859373][ T431] loop_control_ioctl+0x564/0x740 [ 41.864813][ T431] ? loop_remove+0xb0/0xb0 [ 41.869220][ T431] ? __fget_files+0x310/0x370 [ 41.873968][ T431] ? security_file_ioctl+0xb1/0xd0 [ 41.879054][ T431] ? loop_remove+0xb0/0xb0 [ 41.883454][ T431] __se_sys_ioctl+0x115/0x190 [ 41.888191][ T431] __x64_sys_ioctl+0x7b/0x90 [ 41.893070][ T431] do_syscall_64+0x34/0x70 [ 41.897646][ T431] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.903633][ T431] RIP: 0033:0x7f1b1c2bc0e9 [ 41.908212][ T431] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 41.929286][ T431] RSP: 002b:00007f1b1c232168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 41.937812][ T431] RAX: ffffffffffffffda RBX: 00007f1b1c3cef60 RCX: 00007f1b1c2bc0e9 [ 41.946220][ T431] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 41.955186][ T431] RBP: 00007f1b1c2321d0 R08: 0000000000000000 R09: 0000000000000000 [ 41.964007][ T431] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.973604][ T431] R13: 00007ffe57b7dd5f R14: 00007f1b1c232300 R15: 0000000000022000 [ 41.984887][ T409] ================================================================== [ 41.986210][ T431] loop_add OK return 0 [ 41.993801][ T409] BUG: KASAN: use-after-free in exact_lock+0x38/0xc0 [ 41.993810][ T409] Read of size 8 at addr ffff88810e66e450 by task udevd/409 [ 41.993812][ T409] [ 41.993823][ T409] CPU: 1 PID: 409 Comm: udevd Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 41.993827][ T409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.993831][ T409] Call Trace: [ 41.993845][ T409] dump_stack_lvl+0x1e2/0x24b [ 41.993853][ T409] ? printk+0xcf/0x10f [ 41.993862][ T409] ? bfq_pos_tree_add_move+0x43e/0x43e [ 41.993872][ T409] ? wake_up_klogd+0xb8/0xf0 [ 41.993884][ T409] ? panic+0x7d7/0x7d7 [ 41.993894][ T409] print_address_description+0x81/0x3c0 [ 41.993903][ T409] kasan_report+0x1a4/0x1f0 [ 41.993910][ T409] ? exact_lock+0x38/0xc0 [ 41.993926][ T409] ? exact_lock+0x38/0xc0 [ 42.088213][ T409] ? bdev_check_media_change+0x4c0/0x4c0 [ 42.094205][ T409] __asan_report_load8_noabort+0x14/0x20 [ 42.100686][ T409] exact_lock+0x38/0xc0 [ 42.105365][ T409] kobj_lookup+0x2a7/0x440 [ 42.109817][ T409] get_gendisk+0xf6/0x3c0 [ 42.114637][ T409] __blkdev_get+0x1a4/0x1360 [ 42.119355][ T409] ? bdev_test+0xa0/0xa0 [ 42.123679][ T409] ? blkdev_bio_end_io+0x470/0x470 [ 42.129259][ T409] ? selinux_file_receive+0x140/0x140 [ 42.135113][ T409] blkdev_open+0x21a/0x450 [ 42.140212][ T409] ? block_ioctl+0xf0/0xf0 [ 42.145363][ T409] do_dentry_open+0x7a2/0x1090 [ 42.150218][ T409] vfs_open+0x73/0x80 [ 42.154653][ T409] path_openat+0x2638/0x2fd0 [ 42.159432][ T409] ? __kasan_slab_alloc+0xb2/0xe0 [ 42.164874][ T409] ? do_filp_open+0x440/0x440 [ 42.169890][ T409] do_filp_open+0x200/0x440 [ 42.174683][ T409] ? vfs_tmpfile+0x230/0x230 [ 42.179621][ T409] ? get_unused_fd_flags+0x95/0xa0 [ 42.184816][ T409] do_sys_openat2+0x13b/0x470 [ 42.200154][ T409] ? do_sys_open+0x220/0x220 [ 42.205767][ T409] ? __fdget_pos+0x1fe/0x310 [ 42.210692][ T409] __x64_sys_openat+0x243/0x290 [ 42.217473][ T409] ? __ia32_sys_open+0x270/0x270 [ 42.222934][ T409] ? debug_smp_processor_id+0x17/0x20 [ 42.228869][ T409] do_syscall_64+0x34/0x70 [ 42.233809][ T409] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.241088][ T409] RIP: 0033:0x7f211039b697 [ 42.245864][ T409] Code: 25 00 00 41 00 3d 00 00 41 00 74 37 64 8b 04 25 18 00 00 00 85 c0 75 5b 44 89 e2 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 85 00 00 00 48 83 c4 68 5d 41 5c c3 0f 1f [ 42.266691][ T409] RSP: 002b:00007ffc15f88c10 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 42.275472][ T409] RAX: ffffffffffffffda RBX: 000056408f1df6a0 RCX: 00007f211039b697 [ 42.283621][ T409] RDX: 00000000000a0800 RSI: 000056408f1b7810 RDI: 00000000ffffff9c [ 42.291886][ T409] RBP: 000056408f1b7810 R08: 00000000ffffffff R09: 00007ffc15ff00b8 [ 42.299879][ T409] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000a0800 [ 42.308395][ T409] R13: 000056408f1b9b00 R14: 0000000000000001 R15: 000056408f1ab2c0 [ 42.317567][ T409] [ 42.319912][ T409] Allocated by task 429: [ 42.324964][ T409] ____kasan_kmalloc+0xdc/0x110 [ 42.330066][ T409] __kasan_kmalloc+0x9/0x10 [ 42.334645][ T409] kmem_cache_alloc_trace+0x1dd/0x330 [ 42.340442][ T409] __alloc_disk_node+0x75/0x330 [ 42.345656][ T409] loop_add+0x36a/0x8a0 [ 42.349990][ T409] loop_control_ioctl+0x564/0x740 [ 42.355327][ T409] __se_sys_ioctl+0x115/0x190 [ 42.360954][ T409] __x64_sys_ioctl+0x7b/0x90 [ 42.366974][ T409] do_syscall_64+0x34/0x70 [ 42.371714][ T409] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.378112][ T409] [ 42.380785][ T409] Freed by task 429: [ 42.385679][ T409] kasan_set_track+0x4c/0x80 [ 42.391722][ T409] kasan_set_free_info+0x23/0x40 [ 42.397428][ T409] ____kasan_slab_free+0x121/0x160 [ 42.403955][ T409] __kasan_slab_free+0x11/0x20 [ 42.411072][ T409] slab_free_freelist_hook+0xcc/0x1a0 [ 42.416707][ T409] kfree+0xc3/0x290 [ 42.420853][ T409] disk_release+0x240/0x2a0 [ 42.425456][ T409] device_release+0x9c/0x1d0 [ 42.430139][ T409] kobject_put+0x163/0x240 [ 42.434534][ T409] put_disk+0x23/0x30 [ 42.439117][ T409] loop_add+0x666/0x8a0 [ 42.443566][ T409] loop_control_ioctl+0x564/0x740 [ 42.449214][ T409] __se_sys_ioctl+0x115/0x190 [ 42.454595][ T409] __x64_sys_ioctl+0x7b/0x90 [ 42.460770][ T409] do_syscall_64+0x34/0x70 [ 42.465866][ T409] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.473033][ T409] [ 42.475830][ T409] The buggy address belongs to the object at ffff88810e66e000 [ 42.475830][ T409] which belongs to the cache kmalloc-2k of size 2048 [ 42.494033][ T409] The buggy address is located 1104 bytes inside of [ 42.494033][ T409] 2048-byte region [ffff88810e66e000, ffff88810e66e800) [ 42.510783][ T409] The buggy address belongs to the page: [ 42.517300][ T409] page:ffffea0004399a00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10e668 [ 42.536699][ T409] head:ffffea0004399a00 order:3 compound_mapcount:0 compound_pincount:0 [ 42.546044][ T409] flags: 0x8000000000010200(slab|head) [ 42.551574][ T409] raw: 8000000000010200 dead000000000100 dead000000000122 ffff888100042d80 [ 42.560332][ T409] raw: 0000000000000000 0000000000080008 00000001ffffffff 0000000000000000 [ 42.569941][ T409] page dumped because: kasan: bad access detected [ 42.576347][ T409] page_owner tracks the page as allocated [ 42.582074][ T409] page last allocated via order 3, migratetype Unmovable, gfp_mask 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 427, ts 41081903773, free_ts 40319206011 [ 42.602887][ T409] get_page_from_freelist+0x745/0x760 [ 42.608324][ T409] __alloc_pages_nodemask+0x3b6/0x890 [ 42.613756][ T409] allocate_slab+0x78/0x540 [ 42.618235][ T409] ___slab_alloc+0x131/0x2e0 [ 42.622985][ T409] __slab_alloc+0x63/0xa0 [ 42.627472][ T409] kmem_cache_alloc_trace+0x20e/0x330 [ 42.633133][ T409] bdi_alloc+0x4e/0x110 [ 42.637356][ T409] blk_alloc_queue+0x111/0x640 [ 42.642184][ T409] blk_mq_init_queue+0x35/0xc0 [ 42.647378][ T409] loop_add+0x26e/0x8a0 [ 42.651520][ T409] loop_control_ioctl+0x564/0x740 [ 42.656609][ T409] __se_sys_ioctl+0x115/0x190 [ 42.661351][ T409] __x64_sys_ioctl+0x7b/0x90 [ 42.666003][ T409] do_syscall_64+0x34/0x70 [ 42.670504][ T409] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.676472][ T409] page last free stack trace: [ 42.681340][ T409] __free_pages_ok+0x7f8/0x830 [ 42.686267][ T409] __free_pages+0x2d2/0x4c0 [ 42.691008][ T409] __free_slab+0xd3/0x190 [ 42.695324][ T409] unfreeze_partials+0x17d/0x1b0 [ 42.700408][ T409] put_cpu_partial+0xc8/0x190 [ 42.705237][ T409] __slab_free+0x2d8/0x3a0 [ 42.709639][ T409] ___cache_free+0x11f/0x140 [ 42.714379][ T409] qlink_free+0x38/0x40 [ 42.718604][ T409] qlist_free_all+0x4c/0xc0 [ 42.723089][ T409] kasan_quarantine_reduce+0x15a/0x170 [ 42.728605][ T409] __kasan_slab_alloc+0x2f/0xe0 [ 42.733559][ T409] kmem_cache_alloc+0x16c/0x300 [ 42.739257][ T409] __alloc_skb+0x7e/0x580 [ 42.743742][ T409] netlink_sendmsg+0x7a4/0xd00 [ 42.748911][ T409] ____sys_sendmsg+0x597/0x8e0 [ 42.753735][ T409] __sys_sendmsg+0x37b/0x460 [ 42.758655][ T409] [ 42.760969][ T409] Memory state around the buggy address: [ 42.766588][ T409] ffff88810e66e300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 42.774809][ T409] ffff88810e66e380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 42.782851][ T409] >ffff88810e66e400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 42.791061][ T409] ^ [ 42.797730][ T409] ffff88810e66e480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 42.806054][ T409] ffff88810e66e500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 42.814189][ T409] ================================================================== [ 42.822240][ T409] Disabling lock debugging due to kernel taint [ 42.862332][ T433] FAULT_INJECTION: forcing a failure. [ 42.862332][ T433] name failslab, interval 1, probability 0, space 0, times 0 [ 42.875163][ T433] CPU: 1 PID: 433 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 42.887838][ T433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.898173][ T433] Call Trace: [ 42.901794][ T433] dump_stack_lvl+0x1e2/0x24b [ 42.906591][ T433] ? panic+0x7d7/0x7d7 [ 42.910820][ T433] ? bfq_pos_tree_add_move+0x43e/0x43e [ 42.916446][ T433] ? memcpy+0x56/0x70 [ 42.920405][ T433] dump_stack+0x15/0x17 [ 42.924537][ T433] should_fail+0x3c0/0x510 [ 42.928939][ T433] ? device_add+0xbe/0xbd0 [ 42.933434][ T433] __should_failslab+0x9f/0xe0 [ 42.938196][ T433] should_failslab+0x9/0x20 [ 42.943095][ T433] kmem_cache_alloc_trace+0x3a/0x330 [ 42.948713][ T433] ? __kasan_check_write+0x14/0x20 [ 42.953995][ T433] device_add+0xbe/0xbd0 [ 42.958332][ T433] __device_add_disk+0x7c1/0x11b0 [ 42.963525][ T433] ? device_add_disk+0x40/0x40 [ 42.968272][ T433] ? vsprintf+0x40/0x40 [ 42.972495][ T433] ? pm_runtime_init+0x26e/0x340 [ 42.977847][ T433] ? device_initialize+0x1d9/0x3a0 [ 42.983467][ T433] device_add_disk+0x2a/0x40 [ 42.988183][ T433] loop_add+0x5c1/0x8a0 [ 42.992859][ T433] loop_control_ioctl+0x564/0x740 [ 42.998392][ T433] ? loop_remove+0xb0/0xb0 [ 43.002881][ T433] ? __fget_files+0x310/0x370 [ 43.007909][ T433] ? security_file_ioctl+0xb1/0xd0 [ 43.013207][ T433] ? loop_remove+0xb0/0xb0 [ 43.018323][ T433] __se_sys_ioctl+0x115/0x190 [ 43.023078][ T433] __x64_sys_ioctl+0x7b/0x90 [ 43.027651][ T433] do_syscall_64+0x34/0x70 [ 43.032156][ T433] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.038378][ T433] RIP: 0033:0x7f1b1c2bc0e9 [ 43.043902][ T433] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 43.065278][ T433] RSP: 002b:00007f1b1c232168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.074667][ T433] RAX: ffffffffffffffda RBX: 00007f1b1c3cef60 RCX: 00007f1b1c2bc0e9 [ 43.082758][ T433] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 43.091298][ T433] RBP: 00007f1b1c2321d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.099345][ T433] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 2022/05/26 18:30:22 executed programs: 12 [ 43.107713][ T433] R13: 00007ffe57b7dd5f R14: 00007f1b1c232300 R15: 0000000000022000 [ 43.117724][ T433] loop_add NOT OK return -12 [ 43.129514][ T436] FAULT_INJECTION: forcing a failure. [ 43.129514][ T436] name failslab, interval 1, probability 0, space 0, times 0 [ 43.142180][ T436] CPU: 1 PID: 436 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 43.154820][ T436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.164969][ T436] Call Trace: [ 43.168352][ T436] dump_stack_lvl+0x1e2/0x24b [ 43.173104][ T436] ? panic+0x7d7/0x7d7 [ 43.177161][ T436] ? bfq_pos_tree_add_move+0x43e/0x43e [ 43.182700][ T436] ? memcpy+0x56/0x70 [ 43.186762][ T436] dump_stack+0x15/0x17 [ 43.190911][ T436] should_fail+0x3c0/0x510 [ 43.195308][ T436] ? device_add+0xbe/0xbd0 [ 43.199870][ T436] __should_failslab+0x9f/0xe0 [ 43.204613][ T436] should_failslab+0x9/0x20 [ 43.209090][ T436] kmem_cache_alloc_trace+0x3a/0x330 [ 43.214352][ T436] ? __kasan_check_write+0x14/0x20 [ 43.219440][ T436] device_add+0xbe/0xbd0 [ 43.223841][ T436] __device_add_disk+0x7c1/0x11b0 [ 43.228855][ T436] ? device_add_disk+0x40/0x40 [ 43.233686][ T436] ? vsprintf+0x40/0x40 [ 43.237817][ T436] ? pm_runtime_init+0x26e/0x340 [ 43.242730][ T436] ? device_initialize+0x1d9/0x3a0 [ 43.247905][ T436] device_add_disk+0x2a/0x40 [ 43.252774][ T436] loop_add+0x5c1/0x8a0 [ 43.256930][ T436] loop_control_ioctl+0x564/0x740 [ 43.262240][ T436] ? loop_remove+0xb0/0xb0 [ 43.266935][ T436] ? __fget_files+0x310/0x370 [ 43.272216][ T436] ? security_file_ioctl+0xb1/0xd0 [ 43.277697][ T436] ? loop_remove+0xb0/0xb0 [ 43.282338][ T436] __se_sys_ioctl+0x115/0x190 [ 43.287158][ T436] __x64_sys_ioctl+0x7b/0x90 [ 43.291745][ T436] do_syscall_64+0x34/0x70 [ 43.296137][ T436] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.302095][ T436] RIP: 0033:0x7f1b1c2bc0e9 [ 43.306491][ T436] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 43.329033][ T436] RSP: 002b:00007f1b1c232168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.337515][ T436] RAX: ffffffffffffffda RBX: 00007f1b1c3cef60 RCX: 00007f1b1c2bc0e9 [ 43.345653][ T436] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 43.353703][ T436] RBP: 00007f1b1c2321d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.361677][ T436] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.369756][ T436] R13: 00007ffe57b7dd5f R14: 00007f1b1c232300 R15: 0000000000022000 [ 43.380025][ T436] loop_add NOT OK return -12 [ 43.390531][ T438] FAULT_INJECTION: forcing a failure. [ 43.390531][ T438] name failslab, interval 1, probability 0, space 0, times 0 [ 43.404258][ T438] CPU: 0 PID: 438 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 43.416916][ T438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.427345][ T438] Call Trace: [ 43.430887][ T438] dump_stack_lvl+0x1e2/0x24b [ 43.473170][ T438] ? panic+0x7d7/0x7d7 [ 43.477547][ T438] ? bfq_pos_tree_add_move+0x43e/0x43e [ 43.483078][ T438] ? memcpy+0x56/0x70 [ 43.487294][ T438] dump_stack+0x15/0x17 [ 43.491626][ T438] should_fail+0x3c0/0x510 [ 43.496031][ T438] ? device_add+0xbe/0xbd0 [ 43.500451][ T438] __should_failslab+0x9f/0xe0 [ 43.505291][ T438] should_failslab+0x9/0x20 [ 43.509964][ T438] kmem_cache_alloc_trace+0x3a/0x330 [ 43.515521][ T438] ? __kasan_check_write+0x14/0x20 [ 43.520788][ T438] device_add+0xbe/0xbd0 [ 43.525121][ T438] __device_add_disk+0x7c1/0x11b0 [ 43.530132][ T438] ? device_add_disk+0x40/0x40 [ 43.535580][ T438] ? vsprintf+0x40/0x40 [ 43.540031][ T438] ? pm_runtime_init+0x26e/0x340 [ 43.545046][ T438] ? device_initialize+0x1d9/0x3a0 [ 43.550238][ T438] device_add_disk+0x2a/0x40 [ 43.555023][ T438] loop_add+0x5c1/0x8a0 [ 43.559260][ T438] loop_control_ioctl+0x564/0x740 [ 43.564637][ T438] ? loop_remove+0xb0/0xb0 [ 43.569305][ T438] ? __fget_files+0x310/0x370 [ 43.574732][ T438] ? security_file_ioctl+0xb1/0xd0 [ 43.580219][ T438] ? loop_remove+0xb0/0xb0 [ 43.585712][ T438] __se_sys_ioctl+0x115/0x190 [ 43.590803][ T438] __x64_sys_ioctl+0x7b/0x90 [ 43.596178][ T438] do_syscall_64+0x34/0x70 [ 43.600854][ T438] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.607282][ T438] RIP: 0033:0x7f1b1c2bc0e9 [ 43.612237][ T438] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 43.633380][ T438] RSP: 002b:00007f1b1c232168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.641869][ T438] RAX: ffffffffffffffda RBX: 00007f1b1c3cef60 RCX: 00007f1b1c2bc0e9 [ 43.649821][ T438] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 43.658039][ T438] RBP: 00007f1b1c2321d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.666181][ T438] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.675116][ T438] R13: 00007ffe57b7dd5f R14: 00007f1b1c232300 R15: 0000000000022000 [ 43.684632][ T438] loop_add NOT OK return -12 [ 43.695738][ T440] FAULT_INJECTION: forcing a failure. [ 43.695738][ T440] name failslab, interval 1, probability 0, space 0, times 0 [ 43.709115][ T440] CPU: 0 PID: 440 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 43.721762][ T440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.731815][ T440] Call Trace: [ 43.735483][ T440] dump_stack_lvl+0x1e2/0x24b [ 43.740346][ T440] ? panic+0x7d7/0x7d7 [ 43.744628][ T440] ? bfq_pos_tree_add_move+0x43e/0x43e [ 43.750161][ T440] ? memcpy+0x56/0x70 [ 43.754247][ T440] dump_stack+0x15/0x17 [ 43.758724][ T440] should_fail+0x3c0/0x510 [ 43.763431][ T440] ? device_add+0xbe/0xbd0 [ 43.767899][ T440] __should_failslab+0x9f/0xe0 [ 43.773183][ T440] should_failslab+0x9/0x20 [ 43.777659][ T440] kmem_cache_alloc_trace+0x3a/0x330 [ 43.782931][ T440] ? __kasan_check_write+0x14/0x20 [ 43.788286][ T440] device_add+0xbe/0xbd0 [ 43.792516][ T440] __device_add_disk+0x7c1/0x11b0 [ 43.797607][ T440] ? device_add_disk+0x40/0x40 [ 43.802349][ T440] ? vsprintf+0x40/0x40 [ 43.807540][ T440] ? pm_runtime_init+0x26e/0x340 [ 43.812836][ T440] ? device_initialize+0x1d9/0x3a0 [ 43.818291][ T440] device_add_disk+0x2a/0x40 [ 43.822879][ T440] loop_add+0x5c1/0x8a0 [ 43.827187][ T440] loop_control_ioctl+0x564/0x740 [ 43.832288][ T440] ? loop_remove+0xb0/0xb0 [ 43.836873][ T440] ? __fget_files+0x310/0x370 [ 43.841805][ T440] ? security_file_ioctl+0xb1/0xd0 [ 43.847200][ T440] ? loop_remove+0xb0/0xb0 [ 43.851795][ T440] __se_sys_ioctl+0x115/0x190 [ 43.856702][ T440] __x64_sys_ioctl+0x7b/0x90 [ 43.861758][ T440] do_syscall_64+0x34/0x70 [ 43.866821][ T440] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.873231][ T440] RIP: 0033:0x7f1b1c2bc0e9 [ 43.877741][ T440] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 43.898309][ T440] RSP: 002b:00007f1b1c232168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.906894][ T440] RAX: ffffffffffffffda RBX: 00007f1b1c3cef60 RCX: 00007f1b1c2bc0e9 [ 43.915118][ T440] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 43.923155][ T440] RBP: 00007f1b1c2321d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.931487][ T440] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.939622][ T440] R13: 00007ffe57b7dd5f R14: 00007f1b1c232300 R15: 0000000000022000 [ 43.951193][ T440] loop_add NOT OK return -12 [ 43.962614][ T443] FAULT_INJECTION: forcing a failure. [ 43.962614][ T443] name failslab, interval 1, probability 0, space 0, times 0 [ 43.976199][ T443] CPU: 0 PID: 443 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 43.988802][ T443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.999210][ T443] Call Trace: [ 44.002683][ T443] dump_stack_lvl+0x1e2/0x24b [ 44.007823][ T443] ? panic+0x7d7/0x7d7 [ 44.012058][ T443] ? bfq_pos_tree_add_move+0x43e/0x43e [ 44.018231][ T443] ? memcpy+0x56/0x70 [ 44.022543][ T443] dump_stack+0x15/0x17 [ 44.027200][ T443] should_fail+0x3c0/0x510 [ 44.031960][ T443] ? device_add+0xbe/0xbd0 [ 44.036524][ T443] __should_failslab+0x9f/0xe0 [ 44.041359][ T443] should_failslab+0x9/0x20 [ 44.045998][ T443] kmem_cache_alloc_trace+0x3a/0x330 [ 44.051613][ T443] ? __kasan_check_write+0x14/0x20 [ 44.056797][ T443] device_add+0xbe/0xbd0 [ 44.061021][ T443] __device_add_disk+0x7c1/0x11b0 [ 44.066118][ T443] ? device_add_disk+0x40/0x40 [ 44.070855][ T443] ? vsprintf+0x40/0x40 [ 44.074983][ T443] ? pm_runtime_init+0x26e/0x340 [ 44.079926][ T443] ? device_initialize+0x1d9/0x3a0 [ 44.085167][ T443] device_add_disk+0x2a/0x40 [ 44.090007][ T443] loop_add+0x5c1/0x8a0 [ 44.094338][ T443] loop_control_ioctl+0x564/0x740 [ 44.099360][ T443] ? loop_remove+0xb0/0xb0 [ 44.103906][ T443] ? __fget_files+0x310/0x370 [ 44.108681][ T443] ? security_file_ioctl+0xb1/0xd0 [ 44.114295][ T443] ? loop_remove+0xb0/0xb0 [ 44.119129][ T443] __se_sys_ioctl+0x115/0x190 [ 44.124164][ T443] __x64_sys_ioctl+0x7b/0x90 [ 44.129284][ T443] do_syscall_64+0x34/0x70 [ 44.134062][ T443] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.140281][ T443] RIP: 0033:0x7f1b1c2bc0e9 [ 44.145040][ T443] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 44.166262][ T443] RSP: 002b:00007f1b1c232168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.175716][ T443] RAX: ffffffffffffffda RBX: 00007f1b1c3cef60 RCX: 00007f1b1c2bc0e9 [ 44.183982][ T443] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 44.193122][ T443] RBP: 00007f1b1c2321d0 R08: 0000000000000000 R09: 0000000000000000 [ 44.201389][ T443] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.209352][ T443] R13: 00007ffe57b7dd5f R14: 00007f1b1c232300 R15: 0000000000022000 [ 44.220810][ T443] loop_add NOT OK return -12 [ 44.232070][ T445] FAULT_INJECTION: forcing a failure. [ 44.232070][ T445] name failslab, interval 1, probability 0, space 0, times 0 [ 44.247318][ T445] CPU: 1 PID: 445 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 44.259797][ T445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.270002][ T445] Call Trace: [ 44.273440][ T445] dump_stack_lvl+0x1e2/0x24b [ 44.278097][ T445] ? panic+0x7d7/0x7d7 [ 44.282159][ T445] ? bfq_pos_tree_add_move+0x43e/0x43e [ 44.287750][ T445] dump_stack+0x15/0x17 [ 44.291893][ T445] should_fail+0x3c0/0x510 [ 44.296286][ T445] __should_failslab+0x9f/0xe0 [ 44.301374][ T445] should_failslab+0x9/0x20 [ 44.306249][ T445] kmem_cache_alloc+0x3f/0x300 [ 44.311265][ T445] ? __kernfs_new_node+0xdb/0x6e0 [ 44.316471][ T445] __kernfs_new_node+0xdb/0x6e0 [ 44.321302][ T445] ? stack_trace_save+0x12d/0x1f0 [ 44.326346][ T445] ? kernfs_new_node+0x170/0x170 [ 44.331528][ T445] ? stack_trace_snprint+0x100/0x100 [ 44.337067][ T445] ? dput+0x2ce/0x320 [ 44.341028][ T445] ? device_add+0xbe/0xbd0 [ 44.345509][ T445] kernfs_create_dir_ns+0x9b/0x230 [ 44.350684][ T445] sysfs_create_dir_ns+0x181/0x390 [ 44.356525][ T445] ? sysfs_warn_dup+0xa0/0xa0 [ 44.361483][ T445] kobject_add_internal+0x766/0xda0 [ 44.366675][ T445] kobject_add+0x14c/0x210 [ 44.371348][ T445] ? _raw_spin_lock+0xa3/0x1b0 [ 44.376205][ T445] ? kobject_init+0x1e0/0x1e0 [ 44.381038][ T445] ? __kasan_check_write+0x14/0x20 [ 44.386627][ T445] ? mutex_unlock+0x1d/0x40 [ 44.391493][ T445] ? get_device_parent+0x2c5/0x430 [ 44.396815][ T445] device_add+0x3ca/0xbd0 [ 44.401668][ T445] __device_add_disk+0x7c1/0x11b0 [ 44.406906][ T445] ? device_add_disk+0x40/0x40 [ 44.411949][ T445] ? vsprintf+0x40/0x40 [ 44.416193][ T445] ? pm_runtime_init+0x26e/0x340 [ 44.421129][ T445] ? device_initialize+0x1d9/0x3a0 [ 44.426712][ T445] device_add_disk+0x2a/0x40 [ 44.431376][ T445] loop_add+0x5c1/0x8a0 [ 44.435695][ T445] loop_control_ioctl+0x564/0x740 [ 44.440959][ T445] ? loop_remove+0xb0/0xb0 [ 44.445448][ T445] ? __fget_files+0x310/0x370 [ 44.450452][ T445] ? security_file_ioctl+0xb1/0xd0 [ 44.455629][ T445] ? loop_remove+0xb0/0xb0 [ 44.460503][ T445] __se_sys_ioctl+0x115/0x190 [ 44.465387][ T445] __x64_sys_ioctl+0x7b/0x90 [ 44.470154][ T445] do_syscall_64+0x34/0x70 [ 44.475046][ T445] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.481283][ T445] RIP: 0033:0x7f1b1c2bc0e9 [ 44.485713][ T445] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 44.506214][ T445] RSP: 002b:00007f1b1c232168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.514938][ T445] RAX: ffffffffffffffda RBX: 00007f1b1c3cef60 RCX: 00007f1b1c2bc0e9 [ 44.523726][ T445] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 44.533771][ T445] RBP: 00007f1b1c2321d0 R08: 0000000000000000 R09: 0000000000000000 [ 44.542817][ T445] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.551665][ T445] R13: 00007ffe57b7dd5f R14: 00007f1b1c232300 R15: 0000000000022000 [ 44.561524][ T445] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 44.562795][ T23] kauditd_printk_skb: 2 callbacks suppressed [ 44.562806][ T23] audit: type=1400 audit(1653589824.090:160): avc: denied { remove_name } for pid=142 comm="syslogd" name="messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 44.599979][ T23] audit: type=1400 audit(1653589824.090:161): avc: denied { rename } for pid=142 comm="syslogd" name="messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 44.600424][ T445] loop_add NOT OK return -12 [ 44.623893][ T23] audit: type=1400 audit(1653589824.090:162): avc: denied { create } for pid=142 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 44.635492][ T447] FAULT_INJECTION: forcing a failure. [ 44.635492][ T447] name failslab, interval 1, probability 0, space 0, times 0 [ 44.662785][ T447] CPU: 1 PID: 447 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 44.675550][ T447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.685972][ T447] Call Trace: [ 44.689346][ T447] dump_stack_lvl+0x1e2/0x24b [ 44.694371][ T447] ? panic+0x7d7/0x7d7 [ 44.699302][ T447] ? bfq_pos_tree_add_move+0x43e/0x43e [ 44.705107][ T447] ? __kasan_kmalloc+0x9/0x10 [ 44.710162][ T447] ? kobj_map+0x72/0x6f0 [ 44.714499][ T447] ? __device_add_disk+0x6e0/0x11b0 [ 44.719770][ T447] ? device_add_disk+0x2a/0x40 [ 44.724609][ T447] ? loop_control_ioctl+0x564/0x740 [ 44.729879][ T447] ? __se_sys_ioctl+0x115/0x190 [ 44.735753][ T447] ? __x64_sys_ioctl+0x7b/0x90 [ 44.740716][ T447] dump_stack+0x15/0x17 [ 44.745139][ T447] should_fail+0x3c0/0x510 [ 44.749541][ T447] ? kvasprintf_const+0x139/0x180 [ 44.754544][ T447] __should_failslab+0x9f/0xe0 [ 44.759458][ T447] should_failslab+0x9/0x20 [ 44.764129][ T447] __kmalloc_track_caller+0x5f/0x350 [ 44.769765][ T447] kstrdup_const+0x55/0x90 [ 44.774255][ T447] kvasprintf_const+0x139/0x180 [ 44.779376][ T447] kobject_set_name_vargs+0x61/0x120 [ 44.784739][ T447] dev_set_name+0xd1/0x120 [ 44.789415][ T447] ? __kmalloc+0x1f7/0x360 [ 44.794100][ T447] ? get_device+0x30/0x30 [ 44.798696][ T447] ? kobj_map+0x6ad/0x6f0 [ 44.803435][ T447] __device_add_disk+0x733/0x11b0 [ 44.808959][ T447] ? device_add_disk+0x40/0x40 [ 44.813720][ T447] ? vsprintf+0x40/0x40 [ 44.817979][ T447] ? pm_runtime_init+0x26e/0x340 [ 44.822902][ T447] ? device_initialize+0x1d9/0x3a0 [ 44.828299][ T447] device_add_disk+0x2a/0x40 [ 44.833376][ T447] loop_add+0x5c1/0x8a0 [ 44.837882][ T447] loop_control_ioctl+0x564/0x740 [ 44.842977][ T447] ? loop_remove+0xb0/0xb0 [ 44.847488][ T447] ? __fget_files+0x310/0x370 [ 44.852517][ T447] ? security_file_ioctl+0xb1/0xd0 [ 44.857706][ T447] ? loop_remove+0xb0/0xb0 [ 44.862102][ T447] __se_sys_ioctl+0x115/0x190 [ 44.866768][ T447] __x64_sys_ioctl+0x7b/0x90 [ 44.871332][ T447] do_syscall_64+0x34/0x70 [ 44.875853][ T447] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.881810][ T447] RIP: 0033:0x7f1b1c2bc0e9 [ 44.886209][ T447] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 44.906063][ T447] RSP: 002b:00007f1b1c232168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.914538][ T447] RAX: ffffffffffffffda RBX: 00007f1b1c3cef60 RCX: 00007f1b1c2bc0e9 [ 44.922522][ T447] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 44.930647][ T447] RBP: 00007f1b1c2321d0 R08: 0000000000000000 R09: 0000000000000000 [ 44.938897][ T447] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.946861][ T447] R13: 00007ffe57b7dd5f R14: 00007f1b1c232300 R15: 0000000000022000 [ 44.956325][ T447] loop_add NOT OK return -22 [ 44.967605][ T449] FAULT_INJECTION: forcing a failure. [ 44.967605][ T449] name failslab, interval 1, probability 0, space 0, times 0 [ 44.980686][ T449] CPU: 0 PID: 449 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 44.992986][ T449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.003202][ T449] Call Trace: [ 45.006472][ T449] dump_stack_lvl+0x1e2/0x24b [ 45.011121][ T449] ? panic+0x7d7/0x7d7 [ 45.015170][ T449] ? bfq_pos_tree_add_move+0x43e/0x43e [ 45.021018][ T449] ? __kasan_kmalloc+0x9/0x10 [ 45.025861][ T449] ? kobj_map+0x72/0x6f0 [ 45.030088][ T449] ? __device_add_disk+0x6e0/0x11b0 [ 45.035356][ T449] ? device_add_disk+0x2a/0x40 [ 45.040353][ T449] ? loop_control_ioctl+0x564/0x740 [ 45.046257][ T449] ? __se_sys_ioctl+0x115/0x190 [ 45.051508][ T449] ? __x64_sys_ioctl+0x7b/0x90 [ 45.056617][ T449] dump_stack+0x15/0x17 [ 45.060773][ T449] should_fail+0x3c0/0x510 [ 45.065612][ T449] ? kvasprintf_const+0x139/0x180 [ 45.070699][ T449] __should_failslab+0x9f/0xe0 [ 45.075449][ T449] should_failslab+0x9/0x20 [ 45.080321][ T449] __kmalloc_track_caller+0x5f/0x350 [ 45.085670][ T449] kstrdup_const+0x55/0x90 [ 45.090158][ T449] kvasprintf_const+0x139/0x180 [ 45.095157][ T449] kobject_set_name_vargs+0x61/0x120 [ 45.100534][ T449] dev_set_name+0xd1/0x120 [ 45.105210][ T449] ? __kmalloc+0x1f7/0x360 [ 45.109600][ T449] ? get_device+0x30/0x30 [ 45.114005][ T449] ? kobj_map+0x6ad/0x6f0 [ 45.118312][ T449] __device_add_disk+0x733/0x11b0 [ 45.125543][ T449] ? device_add_disk+0x40/0x40 [ 45.131309][ T449] ? vsprintf+0x40/0x40 [ 45.135550][ T449] ? pm_runtime_init+0x26e/0x340 [ 45.140565][ T449] ? device_initialize+0x1d9/0x3a0 [ 45.146010][ T449] device_add_disk+0x2a/0x40 [ 45.150839][ T449] loop_add+0x5c1/0x8a0 [ 45.155060][ T449] loop_control_ioctl+0x564/0x740 [ 45.160146][ T449] ? loop_remove+0xb0/0xb0 [ 45.164539][ T449] ? __fget_files+0x310/0x370 [ 45.169202][ T449] ? security_file_ioctl+0xb1/0xd0 [ 45.174823][ T449] ? loop_remove+0xb0/0xb0 [ 45.179393][ T449] __se_sys_ioctl+0x115/0x190 [ 45.184049][ T449] __x64_sys_ioctl+0x7b/0x90 [ 45.188612][ T449] do_syscall_64+0x34/0x70 [ 45.193028][ T449] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.199600][ T449] RIP: 0033:0x7f1b1c2bc0e9 [ 45.205395][ T449] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 45.225597][ T449] RSP: 002b:00007f1b1c232168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.234083][ T449] RAX: ffffffffffffffda RBX: 00007f1b1c3cef60 RCX: 00007f1b1c2bc0e9 [ 45.242046][ T449] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 45.250084][ T449] RBP: 00007f1b1c2321d0 R08: 0000000000000000 R09: 0000000000000000 [ 45.258216][ T449] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.266261][ T449] R13: 00007ffe57b7dd5f R14: 00007f1b1c232300 R15: 0000000000022000 [ 45.276825][ T449] loop_add NOT OK return -22 [ 45.287813][ T451] FAULT_INJECTION: forcing a failure. [ 45.287813][ T451] name failslab, interval 1, probability 0, space 0, times 0 [ 45.301554][ T451] CPU: 0 PID: 451 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 45.314066][ T451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.324284][ T451] Call Trace: [ 45.327743][ T451] dump_stack_lvl+0x1e2/0x24b [ 45.332803][ T451] ? panic+0x7d7/0x7d7 [ 45.337136][ T451] ? bfq_pos_tree_add_move+0x43e/0x43e [ 45.342919][ T451] dump_stack+0x15/0x17 [ 45.347337][ T451] should_fail+0x3c0/0x510 [ 45.351952][ T451] __should_failslab+0x9f/0xe0 [ 45.356694][ T451] should_failslab+0x9/0x20 [ 45.361185][ T451] kmem_cache_alloc+0x3f/0x300 [ 45.366304][ T451] ? __kernfs_new_node+0xdb/0x6e0 [ 45.371417][ T451] __kernfs_new_node+0xdb/0x6e0 [ 45.376793][ T451] ? stack_trace_save+0x12d/0x1f0 [ 45.381894][ T451] ? kernfs_new_node+0x170/0x170 [ 45.387021][ T451] ? stack_trace_snprint+0x100/0x100 [ 45.392473][ T451] ? dput+0x2ce/0x320 [ 45.396571][ T451] ? device_add+0xbe/0xbd0 [ 45.401150][ T451] kernfs_create_dir_ns+0x9b/0x230 [ 45.406381][ T451] sysfs_create_dir_ns+0x181/0x390 [ 45.411977][ T451] ? sysfs_warn_dup+0xa0/0xa0 [ 45.416965][ T451] kobject_add_internal+0x766/0xda0 [ 45.422352][ T451] kobject_add+0x14c/0x210 [ 45.426934][ T451] ? _raw_spin_lock+0xa3/0x1b0 [ 45.431858][ T451] ? kobject_init+0x1e0/0x1e0 [ 45.436639][ T451] ? __kasan_check_write+0x14/0x20 [ 45.442182][ T451] ? mutex_unlock+0x1d/0x40 [ 45.447055][ T451] ? get_device_parent+0x2c5/0x430 [ 45.452416][ T451] device_add+0x3ca/0xbd0 [ 45.457204][ T451] __device_add_disk+0x7c1/0x11b0 [ 45.462313][ T451] ? device_add_disk+0x40/0x40 [ 45.467433][ T451] ? vsprintf+0x40/0x40 [ 45.471699][ T451] ? pm_runtime_init+0x26e/0x340 [ 45.476623][ T451] ? device_initialize+0x1d9/0x3a0 [ 45.481982][ T451] device_add_disk+0x2a/0x40 [ 45.487021][ T451] loop_add+0x5c1/0x8a0 [ 45.491357][ T451] loop_control_ioctl+0x564/0x740 [ 45.496739][ T451] ? loop_remove+0xb0/0xb0 [ 45.501453][ T451] ? __fget_files+0x310/0x370 [ 45.506540][ T451] ? security_file_ioctl+0xb1/0xd0 [ 45.525032][ T451] ? loop_remove+0xb0/0xb0 [ 45.529520][ T451] __se_sys_ioctl+0x115/0x190 [ 45.534286][ T451] __x64_sys_ioctl+0x7b/0x90 [ 45.539657][ T451] do_syscall_64+0x34/0x70 [ 45.544241][ T451] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.550340][ T451] RIP: 0033:0x7f1b1c2bc0e9 [ 45.555140][ T451] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 45.576223][ T451] RSP: 002b:00007f1b1c232168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.584864][ T451] RAX: ffffffffffffffda RBX: 00007f1b1c3cef60 RCX: 00007f1b1c2bc0e9 [ 45.593281][ T451] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 45.612378][ T451] RBP: 00007f1b1c2321d0 R08: 0000000000000000 R09: 0000000000000000 [ 45.620460][ T451] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.628761][ T451] R13: 00007ffe57b7dd5f R14: 00007f1b1c232300 R15: 0000000000022000 [ 45.637724][ T451] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 45.646664][ T451] loop_add NOT OK return -12 [ 45.656305][ T453] FAULT_INJECTION: forcing a failure. [ 45.656305][ T453] name failslab, interval 1, probability 0, space 0, times 0 [ 45.669848][ T453] CPU: 0 PID: 453 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 45.682559][ T453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.693059][ T453] Call Trace: [ 45.696579][ T453] dump_stack_lvl+0x1e2/0x24b [ 45.701536][ T453] ? panic+0x7d7/0x7d7 [ 45.705592][ T453] ? bfq_pos_tree_add_move+0x43e/0x43e [ 45.711201][ T453] dump_stack+0x15/0x17 [ 45.715350][ T453] should_fail+0x3c0/0x510 [ 45.719860][ T453] __should_failslab+0x9f/0xe0 [ 45.724694][ T453] should_failslab+0x9/0x20 [ 45.729201][ T453] kmem_cache_alloc+0x3f/0x300 [ 45.733962][ T453] ? __kernfs_new_node+0xdb/0x6e0 [ 45.739137][ T453] __kernfs_new_node+0xdb/0x6e0 [ 45.743963][ T453] ? stack_trace_save+0x12d/0x1f0 [ 45.749051][ T453] ? kernfs_new_node+0x170/0x170 [ 45.753962][ T453] ? stack_trace_snprint+0x100/0x100 [ 45.759445][ T453] ? dput+0x2ce/0x320 [ 45.763504][ T453] ? device_add+0xbe/0xbd0 [ 45.768086][ T453] kernfs_create_dir_ns+0x9b/0x230 [ 45.773259][ T453] sysfs_create_dir_ns+0x181/0x390 [ 45.778348][ T453] ? sysfs_warn_dup+0xa0/0xa0 [ 45.783007][ T453] kobject_add_internal+0x766/0xda0 [ 45.788316][ T453] kobject_add+0x14c/0x210 [ 45.792802][ T453] ? _raw_spin_lock+0xa3/0x1b0 [ 45.797716][ T453] ? kobject_init+0x1e0/0x1e0 [ 45.802461][ T453] ? __kasan_check_write+0x14/0x20 [ 45.807635][ T453] ? mutex_unlock+0x1d/0x40 [ 45.812112][ T453] ? get_device_parent+0x2c5/0x430 [ 45.817383][ T453] device_add+0x3ca/0xbd0 [ 45.821691][ T453] __device_add_disk+0x7c1/0x11b0 [ 45.826781][ T453] ? device_add_disk+0x40/0x40 [ 45.831956][ T453] ? vsprintf+0x40/0x40 [ 45.836090][ T453] ? pm_runtime_init+0x26e/0x340 [ 45.841000][ T453] ? device_initialize+0x1d9/0x3a0 [ 45.846093][ T453] device_add_disk+0x2a/0x40 [ 45.850657][ T453] loop_add+0x5c1/0x8a0 [ 45.855234][ T453] loop_control_ioctl+0x564/0x740 [ 45.860593][ T453] ? loop_remove+0xb0/0xb0 [ 45.865088][ T453] ? __fget_files+0x310/0x370 [ 45.869758][ T453] ? security_file_ioctl+0xb1/0xd0 [ 45.874933][ T453] ? loop_remove+0xb0/0xb0 [ 45.879438][ T453] __se_sys_ioctl+0x115/0x190 [ 45.884092][ T453] __x64_sys_ioctl+0x7b/0x90 [ 45.888663][ T453] do_syscall_64+0x34/0x70 [ 45.893232][ T453] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.899276][ T453] RIP: 0033:0x7f1b1c2bc0e9 [ 45.903690][ T453] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 45.928904][ T453] RSP: 002b:00007f1b1c232168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.937712][ T453] RAX: ffffffffffffffda RBX: 00007f1b1c3cef60 RCX: 00007f1b1c2bc0e9 [ 45.946305][ T453] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 45.954722][ T453] RBP: 00007f1b1c2321d0 R08: 0000000000000000 R09: 0000000000000000 [ 45.963044][ T453] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.971084][ T453] R13: 00007ffe57b7dd5f R14: 00007f1b1c232300 R15: 0000000000022000 [ 45.981741][ T453] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 45.990724][ T453] loop_add NOT OK return -12 [ 46.002308][ T455] FAULT_INJECTION: forcing a failure. [ 46.002308][ T455] name failslab, interval 1, probability 0, space 0, times 0 [ 46.015982][ T455] CPU: 1 PID: 455 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 46.028444][ T455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.038750][ T455] Call Trace: [ 46.042109][ T455] dump_stack_lvl+0x1e2/0x24b [ 46.046972][ T455] ? panic+0x7d7/0x7d7 [ 46.051051][ T455] ? bfq_pos_tree_add_move+0x43e/0x43e [ 46.056846][ T455] ? memcpy+0x56/0x70 [ 46.060894][ T455] dump_stack+0x15/0x17 [ 46.065167][ T455] should_fail+0x3c0/0x510 [ 46.069750][ T455] ? device_add+0xbe/0xbd0 [ 46.074483][ T455] __should_failslab+0x9f/0xe0 [ 46.079300][ T455] should_failslab+0x9/0x20 [ 46.083818][ T455] kmem_cache_alloc_trace+0x3a/0x330 [ 46.089230][ T455] ? __kasan_check_write+0x14/0x20 [ 46.094532][ T455] device_add+0xbe/0xbd0 [ 46.099176][ T455] __device_add_disk+0x7c1/0x11b0 [ 46.104301][ T455] ? device_add_disk+0x40/0x40 [ 46.110130][ T455] ? vsprintf+0x40/0x40 [ 46.114611][ T455] ? pm_runtime_init+0x26e/0x340 [ 46.119615][ T455] ? device_initialize+0x1d9/0x3a0 [ 46.125100][ T455] device_add_disk+0x2a/0x40 [ 46.129801][ T455] loop_add+0x5c1/0x8a0 [ 46.134058][ T455] loop_control_ioctl+0x564/0x740 [ 46.139154][ T455] ? loop_remove+0xb0/0xb0 [ 46.143732][ T455] ? __fget_files+0x310/0x370 [ 46.148750][ T455] ? security_file_ioctl+0xb1/0xd0 [ 46.154330][ T455] ? loop_remove+0xb0/0xb0 [ 46.158854][ T455] __se_sys_ioctl+0x115/0x190 [ 46.163613][ T455] __x64_sys_ioctl+0x7b/0x90 [ 46.168574][ T455] do_syscall_64+0x34/0x70 [ 46.173227][ T455] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.180109][ T455] RIP: 0033:0x7f1b1c2bc0e9 [ 46.185464][ T455] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 46.206421][ T455] RSP: 002b:00007f1b1c232168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.215001][ T455] RAX: ffffffffffffffda RBX: 00007f1b1c3cef60 RCX: 00007f1b1c2bc0e9 [ 46.223058][ T455] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 46.232608][ T455] RBP: 00007f1b1c2321d0 R08: 0000000000000000 R09: 0000000000000000 [ 46.240675][ T455] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.249134][ T455] R13: 00007ffe57b7dd5f R14: 00007f1b1c232300 R15: 0000000000022000 [ 46.257598][ T455] loop_add NOT OK return -12 [ 46.268399][ T457] FAULT_INJECTION: forcing a failure. [ 46.268399][ T457] name failslab, interval 1, probability 0, space 0, times 0 [ 46.281326][ T457] CPU: 0 PID: 457 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 46.293538][ T457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.304859][ T457] Call Trace: [ 46.308502][ T457] dump_stack_lvl+0x1e2/0x24b [ 46.313329][ T457] ? panic+0x7d7/0x7d7 [ 46.317482][ T457] ? bfq_pos_tree_add_move+0x43e/0x43e [ 46.323169][ T457] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 46.328526][ T457] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 46.333719][ T457] dump_stack+0x15/0x17 [ 46.337920][ T457] should_fail+0x3c0/0x510 [ 46.342684][ T457] ? kobj_map+0x72/0x6f0 [ 46.347083][ T457] __should_failslab+0x9f/0xe0 [ 46.351995][ T457] should_failslab+0x9/0x20 [ 46.356963][ T457] __kmalloc+0x60/0x360 [ 46.361523][ T457] ? __device_add_disk+0x585/0x11b0 [ 46.367381][ T457] kobj_map+0x72/0x6f0 [ 46.371804][ T457] ? exact_match+0x20/0x20 [ 46.377069][ T457] ? bdev_check_media_change+0x4c0/0x4c0 [ 46.382743][ T457] __device_add_disk+0x6e0/0x11b0 [ 46.387863][ T457] ? device_add_disk+0x40/0x40 [ 46.392870][ T457] ? vsprintf+0x40/0x40 [ 46.397190][ T457] ? pm_runtime_init+0x26e/0x340 [ 46.402381][ T457] ? device_initialize+0x1d9/0x3a0 [ 46.407564][ T457] device_add_disk+0x2a/0x40 [ 46.412243][ T457] loop_add+0x5c1/0x8a0 [ 46.416379][ T457] loop_control_ioctl+0x564/0x740 [ 46.421453][ T457] ? loop_remove+0xb0/0xb0 [ 46.425957][ T457] ? __fget_files+0x310/0x370 [ 46.430701][ T457] ? security_file_ioctl+0xb1/0xd0 [ 46.435794][ T457] ? loop_remove+0xb0/0xb0 [ 46.440201][ T457] __se_sys_ioctl+0x115/0x190 [ 46.444865][ T457] __x64_sys_ioctl+0x7b/0x90 [ 46.449440][ T457] do_syscall_64+0x34/0x70 [ 46.454109][ T457] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.460528][ T457] RIP: 0033:0x7f1b1c2bc0e9 [ 46.465313][ T457] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 46.486479][ T457] RSP: 002b:00007f1b1c232168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.494980][ T457] RAX: ffffffffffffffda RBX: 00007f1b1c3cef60 RCX: 00007f1b1c2bc0e9 [ 46.503205][ T457] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 46.511242][ T457] RBP: 00007f1b1c2321d0 R08: 0000000000000000 R09: 0000000000000000 [ 46.519187][ T457] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.527135][ T457] R13: 00007ffe57b7dd5f R14: 00007f1b1c232300 R15: 0000000000022000 [ 46.538783][ T457] loop_add OK return 0 [ 46.572273][ T459] FAULT_INJECTION: forcing a failure. [ 46.572273][ T459] name failslab, interval 1, probability 0, space 0, times 0 [ 46.584911][ T459] CPU: 1 PID: 459 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 46.597415][ T459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.609246][ T459] Call Trace: [ 46.612696][ T459] dump_stack_lvl+0x1e2/0x24b [ 46.617349][ T459] ? panic+0x7d7/0x7d7 [ 46.621391][ T459] ? bfq_pos_tree_add_move+0x43e/0x43e [ 46.626853][ T459] ? memcpy+0x56/0x70 [ 46.630992][ T459] dump_stack+0x15/0x17 [ 46.635224][ T459] should_fail+0x3c0/0x510 [ 46.639707][ T459] ? device_add+0xbe/0xbd0 [ 46.644185][ T459] __should_failslab+0x9f/0xe0 [ 46.648922][ T459] should_failslab+0x9/0x20 [ 46.653863][ T459] kmem_cache_alloc_trace+0x3a/0x330 [ 46.659368][ T459] ? __kasan_check_write+0x14/0x20 [ 46.664817][ T459] device_add+0xbe/0xbd0 [ 46.669039][ T459] __device_add_disk+0x7c1/0x11b0 [ 46.674275][ T459] ? device_add_disk+0x40/0x40 [ 46.679041][ T459] ? vsprintf+0x40/0x40 [ 46.683447][ T459] ? pm_runtime_init+0x26e/0x340 [ 46.688366][ T459] ? device_initialize+0x1d9/0x3a0 [ 46.693539][ T459] device_add_disk+0x2a/0x40 [ 46.698102][ T459] loop_add+0x5c1/0x8a0 [ 46.702330][ T459] loop_control_ioctl+0x564/0x740 [ 46.707338][ T459] ? loop_remove+0xb0/0xb0 [ 46.711725][ T459] ? __fget_files+0x310/0x370 [ 46.716406][ T459] ? security_file_ioctl+0xb1/0xd0 [ 46.721487][ T459] ? loop_remove+0xb0/0xb0 [ 46.726047][ T459] __se_sys_ioctl+0x115/0x190 [ 46.730708][ T459] __x64_sys_ioctl+0x7b/0x90 [ 46.735277][ T459] do_syscall_64+0x34/0x70 [ 46.739664][ T459] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.745702][ T459] RIP: 0033:0x7f1b1c2bc0e9 [ 46.750088][ T459] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 46.769932][ T459] RSP: 002b:00007f1b1c232168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.778759][ T459] RAX: ffffffffffffffda RBX: 00007f1b1c3cef60 RCX: 00007f1b1c2bc0e9 [ 46.786715][ T459] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 46.794811][ T459] RBP: 00007f1b1c2321d0 R08: 0000000000000000 R09: 0000000000000000 [ 46.803048][ T459] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.811093][ T459] R13: 00007ffe57b7dd5f R14: 00007f1b1c232300 R15: 0000000000022000 [ 46.820994][ T459] loop_add NOT OK return -12 [ 46.832601][ T461] FAULT_INJECTION: forcing a failure. [ 46.832601][ T461] name failslab, interval 1, probability 0, space 0, times 0 [ 46.845715][ T461] CPU: 0 PID: 461 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 46.858108][ T461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.868180][ T461] Call Trace: [ 46.871743][ T461] dump_stack_lvl+0x1e2/0x24b [ 46.876400][ T461] ? panic+0x7d7/0x7d7 [ 46.880460][ T461] ? bfq_pos_tree_add_move+0x43e/0x43e [ 46.886070][ T461] ? memcpy+0x56/0x70 [ 46.890077][ T461] dump_stack+0x15/0x17 [ 46.894304][ T461] should_fail+0x3c0/0x510 [ 46.898975][ T461] ? device_add+0xbe/0xbd0 [ 46.903398][ T461] __should_failslab+0x9f/0xe0 [ 46.908244][ T461] should_failslab+0x9/0x20 [ 46.912744][ T461] kmem_cache_alloc_trace+0x3a/0x330 [ 46.918266][ T461] ? __kasan_check_write+0x14/0x20 [ 46.923461][ T461] device_add+0xbe/0xbd0 [ 46.928096][ T461] __device_add_disk+0x7c1/0x11b0 [ 46.933319][ T461] ? device_add_disk+0x40/0x40 [ 46.938370][ T461] ? vsprintf+0x40/0x40 [ 46.942678][ T461] ? pm_runtime_init+0x26e/0x340 [ 46.947933][ T461] ? device_initialize+0x1d9/0x3a0 [ 46.953186][ T461] device_add_disk+0x2a/0x40 [ 46.958097][ T461] loop_add+0x5c1/0x8a0 [ 46.962430][ T461] loop_control_ioctl+0x564/0x740 [ 46.967796][ T461] ? loop_remove+0xb0/0xb0 [ 46.972421][ T461] ? __fget_files+0x310/0x370 [ 46.977099][ T461] ? security_file_ioctl+0xb1/0xd0 [ 46.982505][ T461] ? loop_remove+0xb0/0xb0 [ 46.986915][ T461] __se_sys_ioctl+0x115/0x190 [ 46.991938][ T461] __x64_sys_ioctl+0x7b/0x90 [ 46.996769][ T461] do_syscall_64+0x34/0x70 [ 47.001174][ T461] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.007388][ T461] RIP: 0033:0x7f1b1c2bc0e9 [ 47.012238][ T461] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 47.031911][ T461] RSP: 002b:00007f1b1c232168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.040394][ T461] RAX: ffffffffffffffda RBX: 00007f1b1c3cef60 RCX: 00007f1b1c2bc0e9 [ 47.048793][ T461] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 47.057532][ T461] RBP: 00007f1b1c2321d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.065751][ T461] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.074047][ T461] R13: 00007ffe57b7dd5f R14: 00007f1b1c232300 R15: 0000000000022000 [ 47.084593][ T461] loop_add NOT OK return -12 [ 47.094935][ T463] FAULT_INJECTION: forcing a failure. [ 47.094935][ T463] name failslab, interval 1, probability 0, space 0, times 0 [ 47.108116][ T463] CPU: 0 PID: 463 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 47.120351][ T463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.130478][ T463] Call Trace: [ 47.133749][ T463] dump_stack_lvl+0x1e2/0x24b [ 47.138586][ T463] ? bfq_pos_tree_add_move+0x43e/0x43e [ 47.144389][ T463] dump_stack+0x15/0x17 [ 47.148534][ T463] should_fail+0x3c0/0x510 [ 47.153021][ T463] ? __kernfs_new_node+0x99/0x6e0 [ 47.158022][ T463] __should_failslab+0x9f/0xe0 [ 47.162854][ T463] should_failslab+0x9/0x20 [ 47.167331][ T463] __kmalloc_track_caller+0x5f/0x350 [ 47.172814][ T463] ? __kernel_text_address+0x9a/0x110 [ 47.178172][ T463] ? unwind_get_return_address+0x4c/0x90 [ 47.184045][ T463] kstrdup_const+0x55/0x90 [ 47.188438][ T463] __kernfs_new_node+0x99/0x6e0 [ 47.193457][ T463] ? stack_trace_save+0x12d/0x1f0 [ 47.198775][ T463] ? kernfs_new_node+0x170/0x170 [ 47.204503][ T463] ? stack_trace_snprint+0x100/0x100 [ 47.209991][ T463] ? dput+0x2ce/0x320 [ 47.214144][ T463] ? device_add+0xbe/0xbd0 [ 47.220393][ T463] kernfs_create_dir_ns+0x9b/0x230 [ 47.226387][ T463] sysfs_create_dir_ns+0x181/0x390 [ 47.232398][ T463] ? sysfs_warn_dup+0xa0/0xa0 [ 47.237766][ T463] kobject_add_internal+0x766/0xda0 [ 47.243501][ T463] kobject_add+0x14c/0x210 [ 47.248455][ T463] ? _raw_spin_lock+0xa3/0x1b0 [ 47.253306][ T463] ? kobject_init+0x1e0/0x1e0 [ 47.258155][ T463] ? __kasan_check_write+0x14/0x20 [ 47.263438][ T463] ? mutex_unlock+0x1d/0x40 [ 47.268022][ T463] ? get_device_parent+0x2c5/0x430 [ 47.273248][ T463] device_add+0x3ca/0xbd0 [ 47.277926][ T463] __device_add_disk+0x7c1/0x11b0 [ 47.283811][ T463] ? device_add_disk+0x40/0x40 [ 47.289373][ T463] ? vsprintf+0x40/0x40 [ 47.293748][ T463] ? pm_runtime_init+0x26e/0x340 [ 47.298854][ T463] ? device_initialize+0x1d9/0x3a0 [ 47.304219][ T463] device_add_disk+0x2a/0x40 [ 47.309167][ T463] loop_add+0x5c1/0x8a0 [ 47.313613][ T463] loop_control_ioctl+0x564/0x740 [ 47.318624][ T463] ? loop_remove+0xb0/0xb0 [ 47.323956][ T463] ? __fget_files+0x310/0x370 [ 47.329523][ T463] ? security_file_ioctl+0xb1/0xd0 [ 47.335261][ T463] ? loop_remove+0xb0/0xb0 [ 47.339853][ T463] __se_sys_ioctl+0x115/0x190 [ 47.344622][ T463] __x64_sys_ioctl+0x7b/0x90 [ 47.349769][ T463] do_syscall_64+0x34/0x70 [ 47.354306][ T463] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.361244][ T463] RIP: 0033:0x7f1b1c2bc0e9 [ 47.365658][ T463] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 47.386655][ T463] RSP: 002b:00007f1b1c232168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.396969][ T463] RAX: ffffffffffffffda RBX: 00007f1b1c3cef60 RCX: 00007f1b1c2bc0e9 [ 47.405528][ T463] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 47.414425][ T463] RBP: 00007f1b1c2321d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.422807][ T463] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.431122][ T463] R13: 00007ffe57b7dd5f R14: 00007f1b1c232300 R15: 0000000000022000 [ 47.439633][ T463] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 47.449794][ T463] loop_add NOT OK return -12 [ 47.461146][ T465] FAULT_INJECTION: forcing a failure. [ 47.461146][ T465] name failslab, interval 1, probability 0, space 0, times 0 [ 47.474301][ T465] CPU: 1 PID: 465 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 47.486910][ T465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.497910][ T465] Call Trace: [ 47.501361][ T465] dump_stack_lvl+0x1e2/0x24b [ 47.506776][ T465] ? panic+0x7d7/0x7d7 [ 47.511626][ T465] ? bfq_pos_tree_add_move+0x43e/0x43e [ 47.517078][ T465] ? memcpy+0x56/0x70 [ 47.521312][ T465] dump_stack+0x15/0x17 [ 47.525486][ T465] should_fail+0x3c0/0x510 [ 47.530535][ T465] ? device_add+0xbe/0xbd0 [ 47.535043][ T465] __should_failslab+0x9f/0xe0 [ 47.540263][ T465] should_failslab+0x9/0x20 [ 47.544927][ T465] kmem_cache_alloc_trace+0x3a/0x330 [ 47.550333][ T465] ? __kasan_check_write+0x14/0x20 [ 47.555465][ T465] device_add+0xbe/0xbd0 [ 47.559871][ T465] __device_add_disk+0x7c1/0x11b0 [ 47.565069][ T465] ? device_add_disk+0x40/0x40 [ 47.569834][ T465] ? vsprintf+0x40/0x40 [ 47.574291][ T465] ? pm_runtime_init+0x26e/0x340 [ 47.579679][ T465] ? device_initialize+0x1d9/0x3a0 [ 47.594763][ T465] device_add_disk+0x2a/0x40 [ 47.600791][ T465] loop_add+0x5c1/0x8a0 [ 47.605020][ T465] loop_control_ioctl+0x564/0x740 [ 47.610040][ T465] ? loop_remove+0xb0/0xb0 [ 47.614476][ T465] ? __fget_files+0x310/0x370 [ 47.619343][ T465] ? security_file_ioctl+0xb1/0xd0 [ 47.624522][ T465] ? loop_remove+0xb0/0xb0 [ 47.629673][ T465] __se_sys_ioctl+0x115/0x190 [ 47.634433][ T465] __x64_sys_ioctl+0x7b/0x90 [ 47.639054][ T465] do_syscall_64+0x34/0x70 [ 47.643541][ T465] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.649797][ T465] RIP: 0033:0x7f1b1c2bc0e9 [ 47.654490][ T465] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 47.675037][ T465] RSP: 002b:00007f1b1c232168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.683908][ T465] RAX: ffffffffffffffda RBX: 00007f1b1c3cef60 RCX: 00007f1b1c2bc0e9 [ 47.692137][ T465] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 47.700643][ T465] RBP: 00007f1b1c2321d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.709474][ T465] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.717607][ T465] R13: 00007ffe57b7dd5f R14: 00007f1b1c232300 R15: 0000000000022000 [ 47.727537][ T465] loop_add NOT OK return -12 [ 47.739465][ T467] FAULT_INJECTION: forcing a failure. [ 47.739465][ T467] name failslab, interval 1, probability 0, space 0, times 0 [ 47.752940][ T467] CPU: 0 PID: 467 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 47.765165][ T467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.775404][ T467] Call Trace: [ 47.778695][ T467] dump_stack_lvl+0x1e2/0x24b [ 47.783349][ T467] ? panic+0x7d7/0x7d7 [ 47.787652][ T467] ? bfq_pos_tree_add_move+0x43e/0x43e [ 47.793542][ T467] ? memcpy+0x56/0x70 [ 47.797698][ T467] dump_stack+0x15/0x17 [ 47.802269][ T467] should_fail+0x3c0/0x510 [ 47.806856][ T467] ? device_add+0xbe/0xbd0 [ 47.811266][ T467] __should_failslab+0x9f/0xe0 [ 47.816220][ T467] should_failslab+0x9/0x20 [ 47.820697][ T467] kmem_cache_alloc_trace+0x3a/0x330 [ 47.827362][ T467] ? __kasan_check_write+0x14/0x20 [ 47.832542][ T467] device_add+0xbe/0xbd0 [ 47.836797][ T467] __device_add_disk+0x7c1/0x11b0 [ 47.841891][ T467] ? device_add_disk+0x40/0x40 [ 47.846684][ T467] ? vsprintf+0x40/0x40 [ 47.850812][ T467] ? pm_runtime_init+0x26e/0x340 [ 47.855834][ T467] ? device_initialize+0x1d9/0x3a0 [ 47.861014][ T467] device_add_disk+0x2a/0x40 [ 47.865681][ T467] loop_add+0x5c1/0x8a0 [ 47.869810][ T467] loop_control_ioctl+0x564/0x740 [ 47.874975][ T467] ? loop_remove+0xb0/0xb0 [ 47.879561][ T467] ? __fget_files+0x310/0x370 [ 47.884221][ T467] ? security_file_ioctl+0xb1/0xd0 [ 47.890452][ T467] ? loop_remove+0xb0/0xb0 [ 47.895687][ T467] __se_sys_ioctl+0x115/0x190 [ 47.900526][ T467] __x64_sys_ioctl+0x7b/0x90 [ 47.905239][ T467] do_syscall_64+0x34/0x70 [ 47.910082][ T467] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.916147][ T467] RIP: 0033:0x7f1b1c2bc0e9 [ 47.921009][ T467] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 47.941042][ T467] RSP: 002b:00007f1b1c232168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.949945][ T467] RAX: ffffffffffffffda RBX: 00007f1b1c3cef60 RCX: 00007f1b1c2bc0e9 [ 47.959517][ T467] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 47.967826][ T467] RBP: 00007f1b1c2321d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.975949][ T467] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.984647][ T467] R13: 00007ffe57b7dd5f R14: 00007f1b1c232300 R15: 0000000000022000 [ 47.994491][ T467] loop_add NOT OK return -12 [ 48.005331][ T469] FAULT_INJECTION: forcing a failure. [ 48.005331][ T469] name failslab, interval 1, probability 0, space 0, times 0 [ 48.018356][ T469] CPU: 0 PID: 469 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 48.031698][ T469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.044727][ T469] Call Trace: [ 48.048161][ T469] dump_stack_lvl+0x1e2/0x24b [ 48.053442][ T469] ? panic+0x7d7/0x7d7 [ 48.057645][ T469] ? bfq_pos_tree_add_move+0x43e/0x43e [ 48.064561][ T469] ? memcpy+0x56/0x70 [ 48.068982][ T469] dump_stack+0x15/0x17 [ 48.073630][ T469] should_fail+0x3c0/0x510 [ 48.078042][ T469] ? device_add+0xbe/0xbd0 [ 48.082467][ T469] __should_failslab+0x9f/0xe0 [ 48.087300][ T469] should_failslab+0x9/0x20 [ 48.091782][ T469] kmem_cache_alloc_trace+0x3a/0x330 [ 48.097341][ T469] ? __kasan_check_write+0x14/0x20 [ 48.103678][ T469] device_add+0xbe/0xbd0 [ 48.108288][ T469] __device_add_disk+0x7c1/0x11b0 [ 48.114091][ T469] ? device_add_disk+0x40/0x40 [ 48.119267][ T469] ? vsprintf+0x40/0x40 [ 48.123954][ T469] ? pm_runtime_init+0x26e/0x340 [ 48.128873][ T469] ? device_initialize+0x1d9/0x3a0 [ 48.134076][ T469] device_add_disk+0x2a/0x40 [ 48.138650][ T469] loop_add+0x5c1/0x8a0 [ 48.143199][ T469] loop_control_ioctl+0x564/0x740 [ 48.148682][ T469] ? loop_remove+0xb0/0xb0 [ 48.153296][ T469] ? __fget_files+0x310/0x370 [ 48.158057][ T469] ? security_file_ioctl+0xb1/0xd0 [ 48.163171][ T469] ? loop_remove+0xb0/0xb0 [ 48.167605][ T469] __se_sys_ioctl+0x115/0x190 [ 48.172259][ T469] __x64_sys_ioctl+0x7b/0x90 [ 48.177010][ T469] do_syscall_64+0x34/0x70 [ 48.181599][ T469] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.187590][ T469] RIP: 0033:0x7f1b1c2bc0e9 [ 48.191984][ T469] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 48.212489][ T469] RSP: 002b:00007f1b1c232168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 48.220968][ T469] RAX: ffffffffffffffda RBX: 00007f1b1c3cef60 RCX: 00007f1b1c2bc0e9 2022/05/26 18:30:27 executed programs: 29 [ 48.228923][ T469] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 48.237099][ T469] RBP: 00007f1b1c2321d0 R08: 0000000000000000 R09: 0000000000000000 [ 48.245147][ T469] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 48.253116][ T469] R13: 00007ffe57b7dd5f R14: 00007f1b1c232300 R15: 0000000000022000 [ 48.262567][ T469] loop_add NOT OK return -12 [ 48.274699][ T471] FAULT_INJECTION: forcing a failure. [ 48.274699][ T471] name failslab, interval 1, probability 0, space 0, times 0 [ 48.287860][ T471] CPU: 1 PID: 471 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 48.300266][ T471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.310388][ T471] Call Trace: [ 48.313729][ T471] dump_stack_lvl+0x1e2/0x24b [ 48.318488][ T471] ? panic+0x7d7/0x7d7 [ 48.322634][ T471] ? bfq_pos_tree_add_move+0x43e/0x43e [ 48.328235][ T471] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 48.333325][ T471] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 48.338597][ T471] dump_stack+0x15/0x17 [ 48.342815][ T471] should_fail+0x3c0/0x510 [ 48.347217][ T471] ? kobj_map+0x72/0x6f0 [ 48.351520][ T471] __should_failslab+0x9f/0xe0 [ 48.356266][ T471] should_failslab+0x9/0x20 [ 48.360742][ T471] __kmalloc+0x60/0x360 [ 48.364957][ T471] ? __device_add_disk+0x585/0x11b0 [ 48.370385][ T471] kobj_map+0x72/0x6f0 [ 48.374971][ T471] ? exact_match+0x20/0x20 [ 48.379437][ T471] ? bdev_check_media_change+0x4c0/0x4c0 [ 48.385059][ T471] __device_add_disk+0x6e0/0x11b0 [ 48.390264][ T471] ? device_add_disk+0x40/0x40 [ 48.395144][ T471] ? vsprintf+0x40/0x40 [ 48.399442][ T471] ? pm_runtime_init+0x26e/0x340 [ 48.404730][ T471] ? device_initialize+0x1d9/0x3a0 [ 48.410194][ T471] device_add_disk+0x2a/0x40 [ 48.414874][ T471] loop_add+0x5c1/0x8a0 [ 48.419717][ T471] loop_control_ioctl+0x564/0x740 [ 48.424820][ T471] ? loop_remove+0xb0/0xb0 [ 48.429659][ T471] ? __fget_files+0x310/0x370 [ 48.434675][ T471] ? security_file_ioctl+0xb1/0xd0 [ 48.440211][ T471] ? loop_remove+0xb0/0xb0 [ 48.444715][ T471] __se_sys_ioctl+0x115/0x190 [ 48.451673][ T471] __x64_sys_ioctl+0x7b/0x90 [ 48.458304][ T471] do_syscall_64+0x34/0x70 [ 48.464039][ T471] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.473003][ T471] RIP: 0033:0x7f1b1c2bc0e9 [ 48.479055][ T471] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 48.502944][ T471] RSP: 002b:00007f1b1c232168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 48.511901][ T471] RAX: ffffffffffffffda RBX: 00007f1b1c3cef60 RCX: 00007f1b1c2bc0e9 [ 48.520509][ T471] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 48.528970][ T471] RBP: 00007f1b1c2321d0 R08: 0000000000000000 R09: 0000000000000000 [ 48.536940][ T471] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 48.545480][ T471] R13: 00007ffe57b7dd5f R14: 00007f1b1c232300 R15: 0000000000022000 [ 48.557183][ T471] loop_add OK return 0 [ 48.583313][ T473] FAULT_INJECTION: forcing a failure. [ 48.583313][ T473] name failslab, interval 1, probability 0, space 0, times 0 [ 48.597853][ T473] CPU: 1 PID: 473 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 48.611418][ T473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.622021][ T473] Call Trace: [ 48.625816][ T473] dump_stack_lvl+0x1e2/0x24b [ 48.631925][ T473] ? panic+0x7d7/0x7d7 [ 48.635980][ T473] ? bfq_pos_tree_add_move+0x43e/0x43e [ 48.642082][ T473] ? __kasan_kmalloc+0x9/0x10 [ 48.647021][ T473] ? kobj_map+0x72/0x6f0 [ 48.651253][ T473] ? __device_add_disk+0x6e0/0x11b0 [ 48.656917][ T473] ? device_add_disk+0x2a/0x40 [ 48.661750][ T473] ? loop_control_ioctl+0x564/0x740 [ 48.667254][ T473] ? __se_sys_ioctl+0x115/0x190 [ 48.673216][ T473] ? __x64_sys_ioctl+0x7b/0x90 [ 48.678921][ T473] dump_stack+0x15/0x17 [ 48.683332][ T473] should_fail+0x3c0/0x510 [ 48.688221][ T473] ? kvasprintf_const+0x139/0x180 [ 48.693721][ T473] __should_failslab+0x9f/0xe0 [ 48.699303][ T473] should_failslab+0x9/0x20 [ 48.703913][ T473] __kmalloc_track_caller+0x5f/0x350 [ 48.709201][ T473] kstrdup_const+0x55/0x90 [ 48.713800][ T473] kvasprintf_const+0x139/0x180 [ 48.719391][ T473] kobject_set_name_vargs+0x61/0x120 [ 48.724842][ T473] dev_set_name+0xd1/0x120 [ 48.731592][ T473] ? __kmalloc+0x1f7/0x360 [ 48.736751][ T473] ? get_device+0x30/0x30 [ 48.741171][ T473] ? kobj_map+0x6ad/0x6f0 [ 48.745503][ T473] __device_add_disk+0x733/0x11b0 [ 48.750959][ T473] ? device_add_disk+0x40/0x40 [ 48.756324][ T473] ? vsprintf+0x40/0x40 [ 48.760672][ T473] ? pm_runtime_init+0x26e/0x340 [ 48.766597][ T473] ? device_initialize+0x1d9/0x3a0 [ 48.771797][ T473] device_add_disk+0x2a/0x40 [ 48.776743][ T473] loop_add+0x5c1/0x8a0 [ 48.781526][ T473] loop_control_ioctl+0x564/0x740 [ 48.787499][ T473] ? loop_remove+0xb0/0xb0 [ 48.792536][ T473] ? __fget_files+0x310/0x370 [ 48.797429][ T473] ? security_file_ioctl+0xb1/0xd0 [ 48.803299][ T473] ? loop_remove+0xb0/0xb0 [ 48.807962][ T473] __se_sys_ioctl+0x115/0x190 [ 48.813078][ T473] __x64_sys_ioctl+0x7b/0x90 [ 48.818503][ T473] do_syscall_64+0x34/0x70 [ 48.823006][ T473] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.829508][ T473] RIP: 0033:0x7f1b1c2bc0e9 [ 48.834177][ T473] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 48.854606][ T473] RSP: 002b:00007f1b1c232168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 48.863460][ T473] RAX: ffffffffffffffda RBX: 00007f1b1c3cef60 RCX: 00007f1b1c2bc0e9 [ 48.877189][ T473] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 48.886074][ T473] RBP: 00007f1b1c2321d0 R08: 0000000000000000 R09: 0000000000000000 [ 48.895434][ T473] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 48.904167][ T473] R13: 00007ffe57b7dd5f R14: 00007f1b1c232300 R15: 0000000000022000 [ 48.914734][ T473] loop_add NOT OK return -22 [ 48.926100][ T475] FAULT_INJECTION: forcing a failure. [ 48.926100][ T475] name failslab, interval 1, probability 0, space 0, times 0 [ 48.939629][ T475] CPU: 1 PID: 475 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 48.952419][ T475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.963286][ T475] Call Trace: [ 48.966576][ T475] dump_stack_lvl+0x1e2/0x24b [ 48.971890][ T475] ? panic+0x7d7/0x7d7 [ 48.976424][ T475] ? bfq_pos_tree_add_move+0x43e/0x43e [ 48.982783][ T475] ? memcpy+0x56/0x70 [ 48.987142][ T475] dump_stack+0x15/0x17 [ 48.991480][ T475] should_fail+0x3c0/0x510 [ 48.997120][ T475] ? device_add+0xbe/0xbd0 [ 49.002319][ T475] __should_failslab+0x9f/0xe0 [ 49.008813][ T475] should_failslab+0x9/0x20 [ 49.014495][ T475] kmem_cache_alloc_trace+0x3a/0x330 [ 49.020593][ T475] ? __kasan_check_write+0x14/0x20 [ 49.025731][ T475] device_add+0xbe/0xbd0 [ 49.030681][ T475] __device_add_disk+0x7c1/0x11b0 [ 49.036400][ T475] ? device_add_disk+0x40/0x40 [ 49.042135][ T475] ? vsprintf+0x40/0x40 [ 49.046972][ T475] ? pm_runtime_init+0x26e/0x340 [ 49.052176][ T475] ? device_initialize+0x1d9/0x3a0 [ 49.057395][ T475] device_add_disk+0x2a/0x40 [ 49.062137][ T475] loop_add+0x5c1/0x8a0 [ 49.066469][ T475] loop_control_ioctl+0x564/0x740 [ 49.071887][ T475] ? loop_remove+0xb0/0xb0 [ 49.076389][ T475] ? __fget_files+0x310/0x370 [ 49.081996][ T475] ? security_file_ioctl+0xb1/0xd0 [ 49.087533][ T475] ? loop_remove+0xb0/0xb0 [ 49.092224][ T475] __se_sys_ioctl+0x115/0x190 [ 49.097008][ T475] __x64_sys_ioctl+0x7b/0x90 [ 49.101920][ T475] do_syscall_64+0x34/0x70 [ 49.106810][ T475] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.114017][ T475] RIP: 0033:0x7f1b1c2bc0e9 [ 49.119010][ T475] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 49.140010][ T475] RSP: 002b:00007f1b1c232168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 49.148893][ T475] RAX: ffffffffffffffda RBX: 00007f1b1c3cef60 RCX: 00007f1b1c2bc0e9 [ 49.157201][ T475] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 49.165249][ T475] RBP: 00007f1b1c2321d0 R08: 0000000000000000 R09: 0000000000000000 [ 49.175168][ T475] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 49.183826][ T475] R13: 00007ffe57b7dd5f R14: 00007f1b1c232300 R15: 0000000000022000 [ 49.194116][ T475] loop_add NOT OK return -12 [ 49.205461][ T477] FAULT_INJECTION: forcing a failure. [ 49.205461][ T477] name failslab, interval 1, probability 0, space 0, times 0 [ 49.220811][ T477] CPU: 1 PID: 477 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 49.234221][ T477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.244717][ T477] Call Trace: [ 49.248195][ T477] dump_stack_lvl+0x1e2/0x24b [ 49.253055][ T477] ? bfq_pos_tree_add_move+0x43e/0x43e [ 49.258936][ T477] dump_stack+0x15/0x17 [ 49.263547][ T477] should_fail+0x3c0/0x510 [ 49.268225][ T477] ? __kernfs_new_node+0x99/0x6e0 [ 49.273845][ T477] __should_failslab+0x9f/0xe0 [ 49.278902][ T477] should_failslab+0x9/0x20 [ 49.284065][ T477] __kmalloc_track_caller+0x5f/0x350 [ 49.290169][ T477] ? __kernel_text_address+0x9a/0x110 [ 49.296002][ T477] ? unwind_get_return_address+0x4c/0x90 [ 49.302229][ T477] kstrdup_const+0x55/0x90 [ 49.306954][ T477] __kernfs_new_node+0x99/0x6e0 [ 49.312259][ T477] ? stack_trace_save+0x12d/0x1f0 [ 49.317510][ T477] ? kernfs_new_node+0x170/0x170 [ 49.323041][ T477] ? stack_trace_snprint+0x100/0x100 [ 49.328420][ T477] ? dput+0x2ce/0x320 [ 49.332658][ T477] ? device_add+0xbe/0xbd0 [ 49.337067][ T477] kernfs_create_dir_ns+0x9b/0x230 [ 49.342401][ T477] sysfs_create_dir_ns+0x181/0x390 [ 49.347686][ T477] ? sysfs_warn_dup+0xa0/0xa0 [ 49.352635][ T477] kobject_add_internal+0x766/0xda0 [ 49.358072][ T477] kobject_add+0x14c/0x210 [ 49.362572][ T477] ? _raw_spin_lock+0xa3/0x1b0 [ 49.367800][ T477] ? kobject_init+0x1e0/0x1e0 [ 49.372653][ T477] ? __kasan_check_write+0x14/0x20 [ 49.377967][ T477] ? mutex_unlock+0x1d/0x40 [ 49.382602][ T477] ? get_device_parent+0x2c5/0x430 [ 49.387745][ T477] device_add+0x3ca/0xbd0 [ 49.392758][ T477] __device_add_disk+0x7c1/0x11b0 [ 49.398042][ T477] ? device_add_disk+0x40/0x40 [ 49.403170][ T477] ? vsprintf+0x40/0x40 [ 49.407676][ T477] ? pm_runtime_init+0x26e/0x340 [ 49.412859][ T477] ? device_initialize+0x1d9/0x3a0 [ 49.418388][ T477] device_add_disk+0x2a/0x40 [ 49.423205][ T477] loop_add+0x5c1/0x8a0 [ 49.428057][ T477] loop_control_ioctl+0x564/0x740 [ 49.433317][ T477] ? loop_remove+0xb0/0xb0 [ 49.437809][ T477] ? __fget_files+0x310/0x370 [ 49.442467][ T477] ? security_file_ioctl+0xb1/0xd0 [ 49.447553][ T477] ? loop_remove+0xb0/0xb0 [ 49.452135][ T477] __se_sys_ioctl+0x115/0x190 [ 49.457160][ T477] __x64_sys_ioctl+0x7b/0x90 [ 49.461941][ T477] do_syscall_64+0x34/0x70 [ 49.466463][ T477] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.472522][ T477] RIP: 0033:0x7f1b1c2bc0e9 [ 49.479883][ T477] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 49.500456][ T477] RSP: 002b:00007f1b1c232168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 49.509198][ T477] RAX: ffffffffffffffda RBX: 00007f1b1c3cef60 RCX: 00007f1b1c2bc0e9 [ 49.519886][ T477] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 49.528368][ T477] RBP: 00007f1b1c2321d0 R08: 0000000000000000 R09: 0000000000000000 [ 49.536643][ T477] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 49.545123][ T477] R13: 00007ffe57b7dd5f R14: 00007f1b1c232300 R15: 0000000000022000 [ 49.553596][ T477] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 49.562935][ T477] loop_add NOT OK return -12 [ 49.574707][ T479] FAULT_INJECTION: forcing a failure. [ 49.574707][ T479] name failslab, interval 1, probability 0, space 0, times 0 [ 49.588199][ T479] CPU: 0 PID: 479 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 49.600760][ T479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.610791][ T479] Call Trace: [ 49.614146][ T479] dump_stack_lvl+0x1e2/0x24b [ 49.618802][ T479] ? panic+0x7d7/0x7d7 [ 49.622860][ T479] ? bfq_pos_tree_add_move+0x43e/0x43e [ 49.628289][ T479] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 49.633453][ T479] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 49.638723][ T479] dump_stack+0x15/0x17 [ 49.642860][ T479] should_fail+0x3c0/0x510 [ 49.647561][ T479] ? kobj_map+0x72/0x6f0 [ 49.652308][ T479] __should_failslab+0x9f/0xe0 [ 49.657150][ T479] should_failslab+0x9/0x20 [ 49.661642][ T479] __kmalloc+0x60/0x360 [ 49.665964][ T479] ? __device_add_disk+0x585/0x11b0 [ 49.671504][ T479] kobj_map+0x72/0x6f0 [ 49.675651][ T479] ? exact_match+0x20/0x20 [ 49.680049][ T479] ? bdev_check_media_change+0x4c0/0x4c0 [ 49.685898][ T479] __device_add_disk+0x6e0/0x11b0 [ 49.691270][ T479] ? device_add_disk+0x40/0x40 [ 49.696213][ T479] ? vsprintf+0x40/0x40 [ 49.700565][ T479] ? pm_runtime_init+0x26e/0x340 [ 49.705692][ T479] ? device_initialize+0x1d9/0x3a0 [ 49.711023][ T479] device_add_disk+0x2a/0x40 [ 49.715771][ T479] loop_add+0x5c1/0x8a0 [ 49.720040][ T479] loop_control_ioctl+0x564/0x740 [ 49.725219][ T479] ? loop_remove+0xb0/0xb0 [ 49.729703][ T479] ? __fget_files+0x310/0x370 [ 49.734455][ T479] ? security_file_ioctl+0xb1/0xd0 [ 49.739726][ T479] ? loop_remove+0xb0/0xb0 [ 49.744137][ T479] __se_sys_ioctl+0x115/0x190 [ 49.749089][ T479] __x64_sys_ioctl+0x7b/0x90 [ 49.753751][ T479] do_syscall_64+0x34/0x70 [ 49.758243][ T479] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.764466][ T479] RIP: 0033:0x7f1b1c2bc0e9 [ 49.768949][ T479] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 49.788616][ T479] RSP: 002b:00007f1b1c232168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 49.797018][ T479] RAX: ffffffffffffffda RBX: 00007f1b1c3cef60 RCX: 00007f1b1c2bc0e9 [ 49.805192][ T479] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 49.813154][ T479] RBP: 00007f1b1c2321d0 R08: 0000000000000000 R09: 0000000000000000 [ 49.821114][ T479] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 49.829096][ T479] R13: 00007ffe57b7dd5f R14: 00007f1b1c232300 R15: 0000000000022000 [ 49.840845][ T479] loop_add OK return 0 [ 49.893207][ T481] FAULT_INJECTION: forcing a failure. [ 49.893207][ T481] name failslab, interval 1, probability 0, space 0, times 0 [ 49.906035][ T481] CPU: 1 PID: 481 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 49.918281][ T481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.928408][ T481] Call Trace: [ 49.931860][ T481] dump_stack_lvl+0x1e2/0x24b [ 49.936522][ T481] ? bfq_pos_tree_add_move+0x43e/0x43e [ 49.941955][ T481] dump_stack+0x15/0x17 [ 49.946087][ T481] should_fail+0x3c0/0x510 [ 49.950493][ T481] ? __kernfs_new_node+0x99/0x6e0 [ 49.955675][ T481] __should_failslab+0x9f/0xe0 [ 49.960699][ T481] should_failslab+0x9/0x20 [ 49.965189][ T481] __kmalloc_track_caller+0x5f/0x350 [ 49.970462][ T481] ? __kernel_text_address+0x9a/0x110 [ 49.975826][ T481] ? unwind_get_return_address+0x4c/0x90 [ 49.981435][ T481] kstrdup_const+0x55/0x90 [ 49.985922][ T481] __kernfs_new_node+0x99/0x6e0 [ 49.990802][ T481] ? stack_trace_save+0x12d/0x1f0 [ 49.996696][ T481] ? kernfs_new_node+0x170/0x170 [ 50.001865][ T481] ? stack_trace_snprint+0x100/0x100 [ 50.007344][ T481] ? dput+0x2ce/0x320 [ 50.011318][ T481] ? device_add+0xbe/0xbd0 [ 50.016034][ T481] kernfs_create_dir_ns+0x9b/0x230 [ 50.021610][ T481] sysfs_create_dir_ns+0x181/0x390 [ 50.026884][ T481] ? sysfs_warn_dup+0xa0/0xa0 [ 50.031849][ T481] kobject_add_internal+0x766/0xda0 [ 50.037345][ T481] kobject_add+0x14c/0x210 [ 50.042616][ T481] ? _raw_spin_lock+0xa3/0x1b0 [ 50.047532][ T481] ? kobject_init+0x1e0/0x1e0 [ 50.052483][ T481] ? __kasan_check_write+0x14/0x20 [ 50.059043][ T481] ? mutex_unlock+0x1d/0x40 [ 50.064018][ T481] ? get_device_parent+0x2c5/0x430 [ 50.069290][ T481] device_add+0x3ca/0xbd0 [ 50.073862][ T481] __device_add_disk+0x7c1/0x11b0 [ 50.078864][ T481] ? device_add_disk+0x40/0x40 [ 50.083985][ T481] ? vsprintf+0x40/0x40 [ 50.088205][ T481] ? pm_runtime_init+0x26e/0x340 [ 50.093303][ T481] ? device_initialize+0x1d9/0x3a0 [ 50.098996][ T481] device_add_disk+0x2a/0x40 [ 50.103670][ T481] loop_add+0x5c1/0x8a0 [ 50.108513][ T481] loop_control_ioctl+0x564/0x740 [ 50.113708][ T481] ? loop_remove+0xb0/0xb0 [ 50.118171][ T481] ? __fget_files+0x310/0x370 [ 50.123376][ T481] ? security_file_ioctl+0xb1/0xd0 [ 50.129255][ T481] ? loop_remove+0xb0/0xb0 [ 50.134020][ T481] __se_sys_ioctl+0x115/0x190 [ 50.139507][ T481] __x64_sys_ioctl+0x7b/0x90 [ 50.144343][ T481] do_syscall_64+0x34/0x70 [ 50.148807][ T481] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.154759][ T481] RIP: 0033:0x7f1b1c2bc0e9 [ 50.159953][ T481] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 50.180230][ T481] RSP: 002b:00007f1b1c232168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 50.189033][ T481] RAX: ffffffffffffffda RBX: 00007f1b1c3cef60 RCX: 00007f1b1c2bc0e9 [ 50.197606][ T481] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 50.205762][ T481] RBP: 00007f1b1c2321d0 R08: 0000000000000000 R09: 0000000000000000 [ 50.214152][ T481] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 50.222657][ T481] R13: 00007ffe57b7dd5f R14: 00007f1b1c232300 R15: 0000000000022000 [ 50.232253][ T481] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 50.241315][ T481] loop_add NOT OK return -12 [ 50.253546][ T483] FAULT_INJECTION: forcing a failure. [ 50.253546][ T483] name failslab, interval 1, probability 0, space 0, times 0 [ 50.266511][ T483] CPU: 1 PID: 483 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 50.279445][ T483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.290111][ T483] Call Trace: [ 50.293392][ T483] dump_stack_lvl+0x1e2/0x24b [ 50.298836][ T483] ? panic+0x7d7/0x7d7 [ 50.303162][ T483] ? bfq_pos_tree_add_move+0x43e/0x43e [ 50.308601][ T483] dump_stack+0x15/0x17 [ 50.312734][ T483] should_fail+0x3c0/0x510 [ 50.317134][ T483] __should_failslab+0x9f/0xe0 [ 50.321918][ T483] should_failslab+0x9/0x20 [ 50.326572][ T483] kmem_cache_alloc+0x3f/0x300 [ 50.331333][ T483] ? __kernfs_new_node+0xdb/0x6e0 [ 50.336419][ T483] __kernfs_new_node+0xdb/0x6e0 [ 50.341336][ T483] ? stack_trace_save+0x12d/0x1f0 [ 50.346513][ T483] ? kernfs_new_node+0x170/0x170 [ 50.351422][ T483] ? stack_trace_snprint+0x100/0x100 [ 50.356694][ T483] ? dput+0x2ce/0x320 [ 50.360829][ T483] ? device_add+0xbe/0xbd0 [ 50.365321][ T483] kernfs_create_dir_ns+0x9b/0x230 [ 50.370491][ T483] sysfs_create_dir_ns+0x181/0x390 [ 50.377485][ T483] ? sysfs_warn_dup+0xa0/0xa0 [ 50.382152][ T483] kobject_add_internal+0x766/0xda0 [ 50.387355][ T483] kobject_add+0x14c/0x210 [ 50.392223][ T483] ? _raw_spin_lock+0xa3/0x1b0 [ 50.397022][ T483] ? kobject_init+0x1e0/0x1e0 [ 50.402046][ T483] ? __kasan_check_write+0x14/0x20 [ 50.407334][ T483] ? mutex_unlock+0x1d/0x40 [ 50.411835][ T483] ? get_device_parent+0x2c5/0x430 [ 50.417109][ T483] device_add+0x3ca/0xbd0 [ 50.421711][ T483] __device_add_disk+0x7c1/0x11b0 [ 50.427542][ T483] ? device_add_disk+0x40/0x40 [ 50.432463][ T483] ? vsprintf+0x40/0x40 [ 50.437114][ T483] ? pm_runtime_init+0x26e/0x340 [ 50.442122][ T483] ? device_initialize+0x1d9/0x3a0 [ 50.447641][ T483] device_add_disk+0x2a/0x40 [ 50.452756][ T483] loop_add+0x5c1/0x8a0 [ 50.457069][ T483] loop_control_ioctl+0x564/0x740 [ 50.462165][ T483] ? loop_remove+0xb0/0xb0 [ 50.466733][ T483] ? __fget_files+0x310/0x370 [ 50.471477][ T483] ? security_file_ioctl+0xb1/0xd0 [ 50.476832][ T483] ? loop_remove+0xb0/0xb0 [ 50.481419][ T483] __se_sys_ioctl+0x115/0x190 [ 50.486728][ T483] __x64_sys_ioctl+0x7b/0x90 [ 50.491482][ T483] do_syscall_64+0x34/0x70 [ 50.495992][ T483] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.502040][ T483] RIP: 0033:0x7f1b1c2bc0e9 [ 50.507360][ T483] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 50.528378][ T483] RSP: 002b:00007f1b1c232168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 50.537321][ T483] RAX: ffffffffffffffda RBX: 00007f1b1c3cef60 RCX: 00007f1b1c2bc0e9 [ 50.545966][ T483] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 50.554097][ T483] RBP: 00007f1b1c2321d0 R08: 0000000000000000 R09: 0000000000000000 [ 50.562221][ T483] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 50.570254][ T483] R13: 00007ffe57b7dd5f R14: 00007f1b1c232300 R15: 0000000000022000 [ 50.579352][ T483] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 50.587979][ T483] loop_add NOT OK return -12 [ 50.597680][ T485] FAULT_INJECTION: forcing a failure. [ 50.597680][ T485] name failslab, interval 1, probability 0, space 0, times 0 [ 50.611206][ T485] CPU: 0 PID: 485 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 50.624152][ T485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.634291][ T485] Call Trace: [ 50.637570][ T485] dump_stack_lvl+0x1e2/0x24b [ 50.642262][ T485] ? panic+0x7d7/0x7d7 [ 50.646325][ T485] ? bfq_pos_tree_add_move+0x43e/0x43e [ 50.651949][ T485] ? memcpy+0x56/0x70 [ 50.656124][ T485] dump_stack+0x15/0x17 [ 50.660791][ T485] should_fail+0x3c0/0x510 [ 50.665304][ T485] ? device_add+0xbe/0xbd0 [ 50.669931][ T485] __should_failslab+0x9f/0xe0 [ 50.675859][ T485] should_failslab+0x9/0x20 [ 50.681862][ T485] kmem_cache_alloc_trace+0x3a/0x330 [ 50.687412][ T485] ? __kasan_check_write+0x14/0x20 [ 50.692784][ T485] device_add+0xbe/0xbd0 [ 50.697448][ T485] __device_add_disk+0x7c1/0x11b0 [ 50.702751][ T485] ? device_add_disk+0x40/0x40 [ 50.707666][ T485] ? vsprintf+0x40/0x40 [ 50.711984][ T485] ? pm_runtime_init+0x26e/0x340 [ 50.716984][ T485] ? device_initialize+0x1d9/0x3a0 [ 50.722502][ T485] device_add_disk+0x2a/0x40 [ 50.727074][ T485] loop_add+0x5c1/0x8a0 [ 50.731216][ T485] loop_control_ioctl+0x564/0x740 [ 50.736215][ T485] ? loop_remove+0xb0/0xb0 [ 50.740604][ T485] ? __fget_files+0x310/0x370 [ 50.745514][ T485] ? security_file_ioctl+0xb1/0xd0 [ 50.750793][ T485] ? loop_remove+0xb0/0xb0 [ 50.755448][ T485] __se_sys_ioctl+0x115/0x190 [ 50.761560][ T485] __x64_sys_ioctl+0x7b/0x90 [ 50.767378][ T485] do_syscall_64+0x34/0x70 [ 50.772518][ T485] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.779118][ T485] RIP: 0033:0x7f1b1c2bc0e9 [ 50.783698][ T485] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 50.806125][ T485] RSP: 002b:00007f1b1c232168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 50.815809][ T485] RAX: ffffffffffffffda RBX: 00007f1b1c3cef60 RCX: 00007f1b1c2bc0e9 [ 50.825112][ T485] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 50.835314][ T485] RBP: 00007f1b1c2321d0 R08: 0000000000000000 R09: 0000000000000000 [ 50.844551][ T485] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 50.853559][ T485] R13: 00007ffe57b7dd5f R14: 00007f1b1c232300 R15: 0000000000022000 [ 50.862502][ T485] loop_add NOT OK return -12 [ 50.874182][ T487] FAULT_INJECTION: forcing a failure. [ 50.874182][ T487] name failslab, interval 1, probability 0, space 0, times 0 [ 50.889026][ T487] CPU: 1 PID: 487 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 50.902644][ T487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.914517][ T487] Call Trace: [ 50.918682][ T487] dump_stack_lvl+0x1e2/0x24b [ 50.924016][ T487] ? panic+0x7d7/0x7d7 [ 50.929350][ T487] ? bfq_pos_tree_add_move+0x43e/0x43e [ 50.935310][ T487] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 50.940918][ T487] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 50.947374][ T487] dump_stack+0x15/0x17 [ 50.951975][ T487] should_fail+0x3c0/0x510 [ 50.956867][ T487] ? kobj_map+0x72/0x6f0 [ 50.961846][ T487] __should_failslab+0x9f/0xe0 [ 50.967213][ T487] should_failslab+0x9/0x20 [ 50.972187][ T487] __kmalloc+0x60/0x360 [ 50.976681][ T487] ? __device_add_disk+0x585/0x11b0 [ 50.982315][ T487] kobj_map+0x72/0x6f0 [ 50.986474][ T487] ? exact_match+0x20/0x20 [ 50.991049][ T487] ? bdev_check_media_change+0x4c0/0x4c0 [ 50.997037][ T487] __device_add_disk+0x6e0/0x11b0 [ 51.002239][ T487] ? device_add_disk+0x40/0x40 [ 51.007391][ T487] ? vsprintf+0x40/0x40 [ 51.011547][ T487] ? pm_runtime_init+0x26e/0x340 [ 51.016600][ T487] ? device_initialize+0x1d9/0x3a0 [ 51.021743][ T487] device_add_disk+0x2a/0x40 [ 51.026420][ T487] loop_add+0x5c1/0x8a0 [ 51.031123][ T487] loop_control_ioctl+0x564/0x740 [ 51.036481][ T487] ? loop_remove+0xb0/0xb0 [ 51.041045][ T487] ? __fget_files+0x310/0x370 [ 51.046123][ T487] ? security_file_ioctl+0xb1/0xd0 [ 51.052438][ T487] ? loop_remove+0xb0/0xb0 [ 51.058043][ T487] __se_sys_ioctl+0x115/0x190 [ 51.063477][ T487] __x64_sys_ioctl+0x7b/0x90 [ 51.068802][ T487] do_syscall_64+0x34/0x70 [ 51.073426][ T487] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.079994][ T487] RIP: 0033:0x7f1b1c2bc0e9 [ 51.084755][ T487] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 51.105349][ T487] RSP: 002b:00007f1b1c232168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 51.113950][ T487] RAX: ffffffffffffffda RBX: 00007f1b1c3cef60 RCX: 00007f1b1c2bc0e9 [ 51.122087][ T487] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 51.130465][ T487] RBP: 00007f1b1c2321d0 R08: 0000000000000000 R09: 0000000000000000 [ 51.139326][ T487] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 51.147668][ T487] R13: 00007ffe57b7dd5f R14: 00007f1b1c232300 R15: 0000000000022000 [ 51.158599][ T487] loop_add OK return 0 [ 51.192257][ T489] FAULT_INJECTION: forcing a failure. [ 51.192257][ T489] name failslab, interval 1, probability 0, space 0, times 0 [ 51.205647][ T489] CPU: 1 PID: 489 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 51.218454][ T489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.229721][ T489] Call Trace: [ 51.233236][ T489] dump_stack_lvl+0x1e2/0x24b [ 51.238290][ T489] ? panic+0x7d7/0x7d7 [ 51.242695][ T489] ? bfq_pos_tree_add_move+0x43e/0x43e [ 51.248950][ T489] dump_stack+0x15/0x17 [ 51.253415][ T489] should_fail+0x3c0/0x510 [ 51.258263][ T489] __should_failslab+0x9f/0xe0 [ 51.263188][ T489] should_failslab+0x9/0x20 [ 51.267766][ T489] kmem_cache_alloc+0x3f/0x300 [ 51.272609][ T489] ? __kernfs_new_node+0xdb/0x6e0 [ 51.277612][ T489] __kernfs_new_node+0xdb/0x6e0 [ 51.282901][ T489] ? stack_trace_save+0x12d/0x1f0 [ 51.288009][ T489] ? kernfs_new_node+0x170/0x170 [ 51.293047][ T489] ? stack_trace_snprint+0x100/0x100 [ 51.298584][ T489] ? dput+0x2ce/0x320 [ 51.302810][ T489] ? device_add+0xbe/0xbd0 [ 51.307487][ T489] kernfs_create_dir_ns+0x9b/0x230 [ 51.312756][ T489] sysfs_create_dir_ns+0x181/0x390 [ 51.318125][ T489] ? sysfs_warn_dup+0xa0/0xa0 [ 51.322789][ T489] kobject_add_internal+0x766/0xda0 [ 51.327965][ T489] kobject_add+0x14c/0x210 [ 51.332795][ T489] ? _raw_spin_lock+0xa3/0x1b0 [ 51.337902][ T489] ? kobject_init+0x1e0/0x1e0 [ 51.342654][ T489] ? __kasan_check_write+0x14/0x20 [ 51.348120][ T489] ? mutex_unlock+0x1d/0x40 [ 51.352989][ T489] ? get_device_parent+0x2c5/0x430 [ 51.358179][ T489] device_add+0x3ca/0xbd0 [ 51.363000][ T489] __device_add_disk+0x7c1/0x11b0 [ 51.368440][ T489] ? device_add_disk+0x40/0x40 [ 51.373190][ T489] ? vsprintf+0x40/0x40 [ 51.377440][ T489] ? pm_runtime_init+0x26e/0x340 [ 51.382383][ T489] ? device_initialize+0x1d9/0x3a0 [ 51.387598][ T489] device_add_disk+0x2a/0x40 [ 51.392252][ T489] loop_add+0x5c1/0x8a0 [ 51.396483][ T489] loop_control_ioctl+0x564/0x740 [ 51.402530][ T489] ? loop_remove+0xb0/0xb0 [ 51.407337][ T489] ? __fget_files+0x310/0x370 [ 51.412014][ T489] ? security_file_ioctl+0xb1/0xd0 [ 51.417398][ T489] ? loop_remove+0xb0/0xb0 [ 51.421894][ T489] __se_sys_ioctl+0x115/0x190 [ 51.427297][ T489] __x64_sys_ioctl+0x7b/0x90 [ 51.432431][ T489] do_syscall_64+0x34/0x70 [ 51.437541][ T489] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.443688][ T489] RIP: 0033:0x7f1b1c2bc0e9 [ 51.448383][ T489] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 51.470256][ T489] RSP: 002b:00007f1b1c232168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 51.479405][ T489] RAX: ffffffffffffffda RBX: 00007f1b1c3cef60 RCX: 00007f1b1c2bc0e9 [ 51.487649][ T489] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 51.497220][ T489] RBP: 00007f1b1c2321d0 R08: 0000000000000000 R09: 0000000000000000 [ 51.505979][ T489] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 51.515154][ T489] R13: 00007ffe57b7dd5f R14: 00007f1b1c232300 R15: 0000000000022000 [ 51.524251][ T489] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 51.535596][ T489] loop_add NOT OK return -12 [ 51.551387][ T491] FAULT_INJECTION: forcing a failure. [ 51.551387][ T491] name failslab, interval 1, probability 0, space 0, times 0 [ 51.568942][ T491] CPU: 0 PID: 491 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 51.583336][ T491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.596502][ T491] Call Trace: [ 51.600592][ T491] dump_stack_lvl+0x1e2/0x24b [ 51.605836][ T491] ? panic+0x7d7/0x7d7 [ 51.610078][ T491] ? bfq_pos_tree_add_move+0x43e/0x43e [ 51.615732][ T491] ? __kasan_kmalloc+0x9/0x10 [ 51.621067][ T491] ? kobj_map+0x72/0x6f0 [ 51.625831][ T491] ? __device_add_disk+0x6e0/0x11b0 [ 51.631433][ T491] ? device_add_disk+0x2a/0x40 [ 51.636377][ T491] ? loop_control_ioctl+0x564/0x740 [ 51.642340][ T491] ? __se_sys_ioctl+0x115/0x190 [ 51.647546][ T491] ? __x64_sys_ioctl+0x7b/0x90 [ 51.652794][ T491] dump_stack+0x15/0x17 [ 51.657982][ T491] should_fail+0x3c0/0x510 [ 51.662817][ T491] ? kvasprintf_const+0x139/0x180 [ 51.668134][ T491] __should_failslab+0x9f/0xe0 [ 51.673687][ T491] should_failslab+0x9/0x20 [ 51.678510][ T491] __kmalloc_track_caller+0x5f/0x350 [ 51.684670][ T491] kstrdup_const+0x55/0x90 [ 51.689378][ T491] kvasprintf_const+0x139/0x180 [ 51.694571][ T491] kobject_set_name_vargs+0x61/0x120 [ 51.700198][ T491] dev_set_name+0xd1/0x120 [ 51.704872][ T491] ? __kmalloc+0x1f7/0x360 [ 51.709777][ T491] ? get_device+0x30/0x30 [ 51.714289][ T491] ? kobj_map+0x6ad/0x6f0 [ 51.718919][ T491] __device_add_disk+0x733/0x11b0 [ 51.724996][ T491] ? device_add_disk+0x40/0x40 [ 51.730064][ T491] ? vsprintf+0x40/0x40 [ 51.734678][ T491] ? pm_runtime_init+0x26e/0x340 [ 51.740065][ T491] ? device_initialize+0x1d9/0x3a0 [ 51.745923][ T491] device_add_disk+0x2a/0x40 [ 51.751336][ T491] loop_add+0x5c1/0x8a0 [ 51.755852][ T491] loop_control_ioctl+0x564/0x740 [ 51.762141][ T491] ? loop_remove+0xb0/0xb0 [ 51.766733][ T491] ? __fget_files+0x310/0x370 [ 51.772112][ T491] ? security_file_ioctl+0xb1/0xd0 [ 51.777609][ T491] ? loop_remove+0xb0/0xb0 [ 51.782427][ T491] __se_sys_ioctl+0x115/0x190 [ 51.787383][ T491] __x64_sys_ioctl+0x7b/0x90 [ 51.792226][ T491] do_syscall_64+0x34/0x70 [ 51.796985][ T491] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.804171][ T491] RIP: 0033:0x7f1b1c2bc0e9 [ 51.809084][ T491] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 51.831044][ T491] RSP: 002b:00007f1b1c232168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 51.840242][ T491] RAX: ffffffffffffffda RBX: 00007f1b1c3cef60 RCX: 00007f1b1c2bc0e9 [ 51.848860][ T491] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 51.857121][ T491] RBP: 00007f1b1c2321d0 R08: 0000000000000000 R09: 0000000000000000 [ 51.865540][ T491] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 51.874023][ T491] R13: 00007ffe57b7dd5f R14: 00007f1b1c232300 R15: 0000000000022000 [ 51.886996][ T491] loop_add NOT OK return -22 [ 51.897810][ T493] FAULT_INJECTION: forcing a failure. [ 51.897810][ T493] name failslab, interval 1, probability 0, space 0, times 0 [ 51.912707][ T493] CPU: 0 PID: 493 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 51.929353][ T493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.944192][ T493] Call Trace: [ 51.947977][ T493] dump_stack_lvl+0x1e2/0x24b [ 51.953109][ T493] ? panic+0x7d7/0x7d7 [ 51.957649][ T493] ? bfq_pos_tree_add_move+0x43e/0x43e [ 51.963325][ T493] ? memcpy+0x56/0x70 [ 51.967891][ T493] dump_stack+0x15/0x17 [ 51.973871][ T493] should_fail+0x3c0/0x510 [ 51.978580][ T493] ? device_add+0xbe/0xbd0 [ 51.983557][ T493] __should_failslab+0x9f/0xe0 [ 51.988718][ T493] should_failslab+0x9/0x20 [ 51.994074][ T493] kmem_cache_alloc_trace+0x3a/0x330