[ 22.769238][ T372] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 22.783030][ T372] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 22.793045][ T372] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 22.807569][ T374] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 23.254786][ T9] device bridge_slave_1 left promiscuous mode [ 23.260936][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 23.269124][ T9] device bridge_slave_0 left promiscuous mode [ 23.275340][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 33.571972][ T23] kauditd_printk_skb: 64 callbacks suppressed [ 33.571977][ T23] audit: type=1400 audit(1653587250.830:147): avc: denied { read } for pid=142 comm="syslogd" name="log" dev="sda1" ino=1125 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 Warning: Permanently added '10.128.1.53' (ECDSA) to the list of known hosts. 2022/05/26 17:47:37 parsed 1 programs 2022/05/26 17:47:37 executed programs: 0 [ 40.469029][ T23] audit: type=1400 audit(1653587257.730:148): 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 [ 40.469244][ T401] cgroup: Unknown subsys name 'net' [ 40.497909][ T401] cgroup: Unknown subsys name 'devices' [ 40.504523][ T401] cgroup: Unknown subsys name 'hugetlb' [ 40.510340][ T401] cgroup: Unknown subsys name 'rlimit' [ 40.516473][ T23] audit: type=1400 audit(1653587257.780:149): 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 [ 40.542625][ T23] audit: type=1400 audit(1653587257.780:150): 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 [ 40.556870][ T405] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.567325][ T23] audit: type=1400 audit(1653587257.780:151): avc: denied { mounton } for pid=405 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 [ 40.574408][ T405] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.598771][ T23] audit: type=1400 audit(1653587257.780:152): avc: denied { module_request } for pid=405 comm="syz-executor.0" kmod="netdev-nr0" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 40.607083][ T405] device bridge_slave_0 entered promiscuous mode [ 40.636897][ T405] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.644323][ T405] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.651802][ T405] device bridge_slave_1 entered promiscuous mode [ 40.674525][ T405] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.682105][ T405] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.689390][ T405] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.696493][ T405] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.710825][ T372] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.718109][ T372] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.726503][ T372] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 40.733906][ T372] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.743034][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.751951][ T384] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.759279][ T384] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.774884][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 40.785364][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.793532][ T384] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.801197][ T384] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.808780][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.817039][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.832542][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.841069][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.849478][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.858161][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.869675][ T23] audit: type=1400 audit(1653587258.140:153): avc: denied { mount } for pid=405 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 [ 40.897807][ T23] audit: type=1400 audit(1653587258.160:154): avc: denied { ioctl } for pid=410 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 [ 40.955762][ T414] FAULT_INJECTION: forcing a failure. [ 40.955762][ T414] name failslab, interval 1, probability 0, space 0, times 1 [ 40.968789][ T414] CPU: 1 PID: 414 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 40.980468][ T414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.990599][ T414] Call Trace: [ 40.994107][ T414] dump_stack_lvl+0x1e2/0x24b [ 40.998919][ T414] ? panic+0x7d7/0x7d7 [ 41.002988][ T414] ? bfq_pos_tree_add_move+0x43e/0x43e [ 41.008540][ T414] dump_stack+0x15/0x17 [ 41.013190][ T414] should_fail+0x3c0/0x510 [ 41.018068][ T414] __should_failslab+0x9f/0xe0 [ 41.022951][ T414] should_failslab+0x9/0x20 [ 41.027636][ T414] kmem_cache_alloc+0x3f/0x300 [ 41.032404][ T414] ? __kernfs_new_node+0xdb/0x6e0 [ 41.037660][ T414] __kernfs_new_node+0xdb/0x6e0 [ 41.042639][ T414] ? stack_trace_save+0x12d/0x1f0 [ 41.048383][ T414] ? kernfs_new_node+0x170/0x170 [ 41.053495][ T414] ? stack_trace_snprint+0x100/0x100 [ 41.059017][ T414] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 41.064823][ T414] ? stack_depot_save+0x433/0x4a0 [ 41.069926][ T414] ? device_add+0xbe/0xbd0 [ 41.074435][ T414] kernfs_create_dir_ns+0x9b/0x230 [ 41.079528][ T414] sysfs_create_dir_ns+0x181/0x390 [ 41.084627][ T414] ? sysfs_warn_dup+0xa0/0xa0 [ 41.089441][ T414] kobject_add_internal+0x766/0xda0 [ 41.094743][ T414] kobject_add+0x14c/0x210 [ 41.099143][ T414] ? _raw_spin_lock+0xa3/0x1b0 [ 41.103891][ T414] ? kobject_init+0x1e0/0x1e0 [ 41.108650][ T414] ? __kasan_check_write+0x14/0x20 [ 41.113825][ T414] ? mutex_unlock+0x1d/0x40 [ 41.118430][ T414] ? get_device_parent+0x2c5/0x430 [ 41.123913][ T414] device_add+0x3ca/0xbd0 [ 41.129855][ T414] __device_add_disk+0x7c1/0x11b0 [ 41.134873][ T414] ? device_add_disk+0x40/0x40 [ 41.139616][ T414] ? hrtimer_init+0x2e/0x130 [ 41.144190][ T414] ? vsprintf+0x40/0x40 [ 41.148334][ T414] ? device_initialize+0x1d9/0x3a0 [ 41.153567][ T414] device_add_disk+0x2a/0x40 [ 41.158171][ T414] loop_add+0x5cf/0x870 [ 41.162480][ T414] loop_control_ioctl+0x564/0x740 [ 41.167680][ T414] ? loop_remove+0xb0/0xb0 [ 41.172096][ T414] ? __fget_files+0x310/0x370 [ 41.176938][ T414] ? security_file_ioctl+0xb1/0xd0 [ 41.182401][ T414] ? loop_remove+0xb0/0xb0 [ 41.186810][ T414] __se_sys_ioctl+0x115/0x190 [ 41.191659][ T414] __x64_sys_ioctl+0x7b/0x90 [ 41.196376][ T414] do_syscall_64+0x34/0x70 [ 41.200777][ T414] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.206784][ T414] RIP: 0033:0x7ffb21a890e9 [ 41.211292][ T414] 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 [ 41.231285][ T414] RSP: 002b:00007ffb219de168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 41.240376][ T414] RAX: ffffffffffffffda RBX: 00007ffb21b9c030 RCX: 00007ffb21a890e9 [ 41.248355][ T414] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 41.256398][ T414] RBP: 00007ffb219de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 41.264560][ T414] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.272670][ T414] R13: 00007ffe767ac2ef R14: 00007ffb219de300 R15: 0000000000022000 [ 41.281381][ T414] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 41.295224][ T416] FAULT_INJECTION: forcing a failure. [ 41.295224][ T416] name failslab, interval 1, probability 0, space 0, times 0 [ 41.308138][ T416] CPU: 0 PID: 416 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 41.318966][ T416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.329821][ T416] Call Trace: [ 41.333182][ T416] dump_stack_lvl+0x1e2/0x24b [ 41.337838][ T416] ? bfq_pos_tree_add_move+0x43e/0x43e [ 41.343521][ T416] dump_stack+0x15/0x17 [ 41.347698][ T416] should_fail+0x3c0/0x510 [ 41.352106][ T416] ? __kernfs_new_node+0x99/0x6e0 [ 41.357117][ T416] __should_failslab+0x9f/0xe0 [ 41.361885][ T416] should_failslab+0x9/0x20 [ 41.366455][ T416] __kmalloc_track_caller+0x5f/0x350 [ 41.371745][ T416] ? __kernel_text_address+0x9a/0x110 [ 41.377102][ T416] ? unwind_get_return_address+0x4c/0x90 [ 41.382722][ T416] kstrdup_const+0x55/0x90 [ 41.387133][ T416] __kernfs_new_node+0x99/0x6e0 [ 41.391967][ T416] ? stack_trace_save+0x12d/0x1f0 [ 41.397373][ T416] ? kernfs_new_node+0x170/0x170 [ 41.402305][ T416] ? stack_trace_snprint+0x100/0x100 [ 41.407679][ T416] ? dput+0x2ce/0x320 [ 41.411824][ T416] ? device_add+0xbe/0xbd0 [ 41.416250][ T416] kernfs_create_dir_ns+0x9b/0x230 [ 41.421336][ T416] sysfs_create_dir_ns+0x181/0x390 [ 41.426417][ T416] ? sysfs_warn_dup+0xa0/0xa0 [ 41.431091][ T416] kobject_add_internal+0x766/0xda0 [ 41.436286][ T416] kobject_add+0x14c/0x210 [ 41.440709][ T416] ? _raw_spin_lock+0xa3/0x1b0 [ 41.445465][ T416] ? kobject_init+0x1e0/0x1e0 [ 41.450133][ T416] ? __kasan_check_write+0x14/0x20 [ 41.455476][ T416] ? mutex_unlock+0x1d/0x40 [ 41.460095][ T416] ? get_device_parent+0x2c5/0x430 [ 41.465194][ T416] device_add+0x3ca/0xbd0 [ 41.469507][ T416] __device_add_disk+0x7c1/0x11b0 [ 41.474753][ T416] ? device_add_disk+0x40/0x40 [ 41.479577][ T416] ? hrtimer_init+0x2e/0x130 [ 41.484300][ T416] ? vsprintf+0x40/0x40 [ 41.488436][ T416] ? device_initialize+0x1d9/0x3a0 [ 41.493628][ T416] device_add_disk+0x2a/0x40 [ 41.498222][ T416] loop_add+0x5cf/0x870 [ 41.502494][ T416] loop_control_ioctl+0x564/0x740 [ 41.507768][ T416] ? loop_remove+0xb0/0xb0 [ 41.512295][ T416] ? __fget_files+0x310/0x370 [ 41.516966][ T416] ? security_file_ioctl+0xb1/0xd0 [ 41.522057][ T416] ? loop_remove+0xb0/0xb0 [ 41.526530][ T416] __se_sys_ioctl+0x115/0x190 [ 41.531194][ T416] __x64_sys_ioctl+0x7b/0x90 [ 41.535868][ T416] do_syscall_64+0x34/0x70 [ 41.540283][ T416] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.546517][ T416] RIP: 0033:0x7ffb21a890e9 [ 41.550924][ T416] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 41.571747][ T416] RSP: 002b:00007ffb219ff168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 41.580159][ T416] RAX: ffffffffffffffda RBX: 00007ffb21b9bf60 RCX: 00007ffb21a890e9 [ 41.588216][ T416] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 41.597686][ T416] RBP: 00007ffb219ff1d0 R08: 0000000000000000 R09: 0000000000000000 [ 41.605899][ T416] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.613931][ T416] R13: 00007ffe767ac2ef R14: 00007ffb219ff300 R15: 0000000000022000 [ 41.624206][ T416] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 41.637607][ T418] FAULT_INJECTION: forcing a failure. [ 41.637607][ T418] name failslab, interval 1, probability 0, space 0, times 0 [ 41.650459][ T418] CPU: 0 PID: 418 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 41.661386][ T418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.671417][ T418] Call Trace: [ 41.674678][ T418] dump_stack_lvl+0x1e2/0x24b [ 41.679602][ T418] ? bfq_pos_tree_add_move+0x43e/0x43e [ 41.685120][ T418] dump_stack+0x15/0x17 [ 41.689266][ T418] should_fail+0x3c0/0x510 [ 41.693657][ T418] ? __kernfs_new_node+0x99/0x6e0 [ 41.698746][ T418] __should_failslab+0x9f/0xe0 [ 41.703572][ T418] should_failslab+0x9/0x20 [ 41.708394][ T418] __kmalloc_track_caller+0x5f/0x350 [ 41.713653][ T418] ? __kernel_text_address+0x9a/0x110 [ 41.719133][ T418] ? unwind_get_return_address+0x4c/0x90 [ 41.724751][ T418] kstrdup_const+0x55/0x90 [ 41.729170][ T418] __kernfs_new_node+0x99/0x6e0 [ 41.734019][ T418] ? stack_trace_save+0x12d/0x1f0 [ 41.739027][ T418] ? kernfs_new_node+0x170/0x170 [ 41.744027][ T418] ? stack_trace_snprint+0x100/0x100 [ 41.749503][ T418] ? dput+0x2ce/0x320 [ 41.753521][ T418] ? device_add+0xbe/0xbd0 [ 41.757924][ T418] kernfs_create_dir_ns+0x9b/0x230 [ 41.763097][ T418] sysfs_create_dir_ns+0x181/0x390 [ 41.768181][ T418] ? sysfs_warn_dup+0xa0/0xa0 [ 41.772918][ T418] kobject_add_internal+0x766/0xda0 [ 41.778707][ T418] kobject_add+0x14c/0x210 [ 41.783092][ T418] ? _raw_spin_lock+0xa3/0x1b0 [ 41.787921][ T418] ? kobject_init+0x1e0/0x1e0 [ 41.792671][ T418] ? __kasan_check_write+0x14/0x20 [ 41.797953][ T418] ? mutex_unlock+0x1d/0x40 [ 41.802585][ T418] ? get_device_parent+0x2c5/0x430 [ 41.807990][ T418] device_add+0x3ca/0xbd0 [ 41.812406][ T418] __device_add_disk+0x7c1/0x11b0 [ 41.817673][ T418] ? device_add_disk+0x40/0x40 [ 41.822525][ T418] ? hrtimer_init+0x2e/0x130 [ 41.827308][ T418] ? vsprintf+0x40/0x40 [ 41.831437][ T418] ? device_initialize+0x1d9/0x3a0 [ 41.836521][ T418] device_add_disk+0x2a/0x40 [ 41.841428][ T418] loop_add+0x5cf/0x870 [ 41.845775][ T418] loop_control_ioctl+0x564/0x740 [ 41.850793][ T418] ? loop_remove+0xb0/0xb0 [ 41.855208][ T418] ? __fget_files+0x310/0x370 [ 41.860141][ T418] ? security_file_ioctl+0xb1/0xd0 [ 41.865325][ T418] ? loop_remove+0xb0/0xb0 [ 41.869714][ T418] __se_sys_ioctl+0x115/0x190 [ 41.874450][ T418] __x64_sys_ioctl+0x7b/0x90 [ 41.879037][ T418] do_syscall_64+0x34/0x70 [ 41.883871][ T418] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.889747][ T418] RIP: 0033:0x7ffb21a890e9 [ 41.894140][ T418] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 41.913728][ T418] RSP: 002b:00007ffb219ff168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 41.922121][ T418] RAX: ffffffffffffffda RBX: 00007ffb21b9bf60 RCX: 00007ffb21a890e9 [ 41.930092][ T418] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 41.938333][ T418] RBP: 00007ffb219ff1d0 R08: 0000000000000000 R09: 0000000000000000 [ 41.946375][ T418] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.956067][ T418] R13: 00007ffe767ac2ef R14: 00007ffb219ff300 R15: 0000000000022000 [ 41.965370][ T23] audit: type=1400 audit(1653587259.230:155): 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 [ 41.987451][ T418] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 41.998000][ T23] audit: type=1400 audit(1653587259.230:156): 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 [ 42.020949][ T23] audit: type=1400 audit(1653587259.230:157): 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 [ 42.024987][ T420] FAULT_INJECTION: forcing a failure. [ 42.024987][ T420] name failslab, interval 1, probability 0, space 0, times 0 [ 42.056215][ T420] CPU: 1 PID: 420 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 42.067159][ T420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.077289][ T420] Call Trace: [ 42.080580][ T420] dump_stack_lvl+0x1e2/0x24b [ 42.085249][ T420] ? bfq_pos_tree_add_move+0x43e/0x43e [ 42.090690][ T420] dump_stack+0x15/0x17 [ 42.094824][ T420] should_fail+0x3c0/0x510 [ 42.099343][ T420] ? __kernfs_new_node+0x99/0x6e0 [ 42.104535][ T420] __should_failslab+0x9f/0xe0 [ 42.109275][ T420] should_failslab+0x9/0x20 [ 42.114107][ T420] __kmalloc_track_caller+0x5f/0x350 [ 42.119377][ T420] ? __kernel_text_address+0x9a/0x110 [ 42.124761][ T420] ? unwind_get_return_address+0x4c/0x90 [ 42.130380][ T420] kstrdup_const+0x55/0x90 [ 42.134863][ T420] __kernfs_new_node+0x99/0x6e0 [ 42.139707][ T420] ? stack_trace_save+0x12d/0x1f0 [ 42.144716][ T420] ? kernfs_new_node+0x170/0x170 [ 42.149714][ T420] ? stack_trace_snprint+0x100/0x100 [ 42.155060][ T420] ? dput+0x2ce/0x320 [ 42.159102][ T420] ? device_add+0xbe/0xbd0 [ 42.163505][ T420] kernfs_create_dir_ns+0x9b/0x230 [ 42.168599][ T420] sysfs_create_dir_ns+0x181/0x390 [ 42.173699][ T420] ? sysfs_warn_dup+0xa0/0xa0 [ 42.178453][ T420] kobject_add_internal+0x766/0xda0 [ 42.183653][ T420] kobject_add+0x14c/0x210 [ 42.188146][ T420] ? _raw_spin_lock+0xa3/0x1b0 [ 42.192902][ T420] ? kobject_init+0x1e0/0x1e0 [ 42.197557][ T420] ? __kasan_check_write+0x14/0x20 [ 42.202741][ T420] ? mutex_unlock+0x1d/0x40 [ 42.207237][ T420] ? get_device_parent+0x2c5/0x430 [ 42.212351][ T420] device_add+0x3ca/0xbd0 [ 42.216680][ T420] __device_add_disk+0x7c1/0x11b0 [ 42.221701][ T420] ? device_add_disk+0x40/0x40 [ 42.226440][ T420] ? hrtimer_init+0x2e/0x130 [ 42.231003][ T420] ? vsprintf+0x40/0x40 [ 42.235132][ T420] ? device_initialize+0x1d9/0x3a0 [ 42.240224][ T420] device_add_disk+0x2a/0x40 [ 42.244786][ T420] loop_add+0x5cf/0x870 [ 42.249294][ T420] loop_control_ioctl+0x564/0x740 [ 42.254308][ T420] ? loop_remove+0xb0/0xb0 [ 42.258708][ T420] ? __fget_files+0x310/0x370 [ 42.263379][ T420] ? security_file_ioctl+0xb1/0xd0 [ 42.269195][ T420] ? loop_remove+0xb0/0xb0 [ 42.273633][ T420] __se_sys_ioctl+0x115/0x190 [ 42.278290][ T420] __x64_sys_ioctl+0x7b/0x90 [ 42.282858][ T420] do_syscall_64+0x34/0x70 [ 42.287266][ T420] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.293147][ T420] RIP: 0033:0x7ffb21a890e9 [ 42.297978][ T420] 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 [ 42.317568][ T420] RSP: 002b:00007ffb219ff168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.325968][ T420] RAX: ffffffffffffffda RBX: 00007ffb21b9bf60 RCX: 00007ffb21a890e9 [ 42.333923][ T420] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 42.341889][ T420] RBP: 00007ffb219ff1d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.349857][ T420] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.358065][ T420] R13: 00007ffe767ac2ef R14: 00007ffb219ff300 R15: 0000000000022000 [ 42.366837][ T420] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 42.380085][ T422] FAULT_INJECTION: forcing a failure. [ 42.380085][ T422] name failslab, interval 1, probability 0, space 0, times 0 [ 42.392785][ T422] CPU: 1 PID: 422 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 42.403522][ T422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.413568][ T422] Call Trace: [ 42.416858][ T422] dump_stack_lvl+0x1e2/0x24b [ 42.421532][ T422] ? bfq_pos_tree_add_move+0x43e/0x43e [ 42.426985][ T422] dump_stack+0x15/0x17 [ 42.431118][ T422] should_fail+0x3c0/0x510 [ 42.435540][ T422] ? __kernfs_new_node+0x99/0x6e0 [ 42.440657][ T422] __should_failslab+0x9f/0xe0 [ 42.445416][ T422] should_failslab+0x9/0x20 [ 42.450178][ T422] __kmalloc_track_caller+0x5f/0x350 [ 42.455718][ T422] ? __kernel_text_address+0x9a/0x110 [ 42.461083][ T422] ? unwind_get_return_address+0x4c/0x90 [ 42.466792][ T422] kstrdup_const+0x55/0x90 [ 42.471202][ T422] __kernfs_new_node+0x99/0x6e0 [ 42.476114][ T422] ? stack_trace_save+0x12d/0x1f0 [ 42.481211][ T422] ? kernfs_new_node+0x170/0x170 [ 42.486317][ T422] ? stack_trace_snprint+0x100/0x100 [ 42.491584][ T422] ? dput+0x2ce/0x320 [ 42.495540][ T422] ? device_add+0xbe/0xbd0 [ 42.499930][ T422] kernfs_create_dir_ns+0x9b/0x230 [ 42.505036][ T422] sysfs_create_dir_ns+0x181/0x390 [ 42.510299][ T422] ? sysfs_warn_dup+0xa0/0xa0 [ 42.515145][ T422] kobject_add_internal+0x766/0xda0 [ 42.520330][ T422] kobject_add+0x14c/0x210 [ 42.524733][ T422] ? _raw_spin_lock+0xa3/0x1b0 [ 42.529475][ T422] ? kobject_init+0x1e0/0x1e0 [ 42.534131][ T422] ? __kasan_check_write+0x14/0x20 [ 42.539222][ T422] ? mutex_unlock+0x1d/0x40 [ 42.543697][ T422] ? get_device_parent+0x2c5/0x430 [ 42.548781][ T422] device_add+0x3ca/0xbd0 [ 42.553098][ T422] __device_add_disk+0x7c1/0x11b0 [ 42.558125][ T422] ? device_add_disk+0x40/0x40 [ 42.562884][ T422] ? hrtimer_init+0x2e/0x130 [ 42.567496][ T422] ? vsprintf+0x40/0x40 [ 42.571677][ T422] ? device_initialize+0x1d9/0x3a0 [ 42.576939][ T422] device_add_disk+0x2a/0x40 [ 42.581525][ T422] loop_add+0x5cf/0x870 [ 42.585851][ T422] loop_control_ioctl+0x564/0x740 [ 42.591041][ T422] ? loop_remove+0xb0/0xb0 [ 42.595441][ T422] ? __fget_files+0x310/0x370 [ 42.600184][ T422] ? security_file_ioctl+0xb1/0xd0 [ 42.605540][ T422] ? loop_remove+0xb0/0xb0 [ 42.610026][ T422] __se_sys_ioctl+0x115/0x190 [ 42.615083][ T422] __x64_sys_ioctl+0x7b/0x90 [ 42.619759][ T422] do_syscall_64+0x34/0x70 [ 42.624167][ T422] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.630042][ T422] RIP: 0033:0x7ffb21a890e9 [ 42.634507][ T422] 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 [ 42.654445][ T422] RSP: 002b:00007ffb219ff168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.662926][ T422] RAX: ffffffffffffffda RBX: 00007ffb21b9bf60 RCX: 00007ffb21a890e9 [ 42.670965][ T422] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 42.678914][ T422] RBP: 00007ffb219ff1d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.686952][ T422] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.694998][ T422] R13: 00007ffe767ac2ef R14: 00007ffb219ff300 R15: 0000000000022000 [ 42.704482][ T422] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 42.719413][ T424] FAULT_INJECTION: forcing a failure. [ 42.719413][ T424] name failslab, interval 1, probability 0, space 0, times 0 [ 42.732633][ T424] CPU: 1 PID: 424 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 42.743379][ T424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.753933][ T424] Call Trace: [ 42.757306][ T424] dump_stack_lvl+0x1e2/0x24b [ 42.762065][ T424] ? panic+0x7d7/0x7d7 [ 42.766219][ T424] ? bfq_pos_tree_add_move+0x43e/0x43e [ 42.771770][ T424] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 42.776788][ T424] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 42.782155][ T424] dump_stack+0x15/0x17 [ 42.786292][ T424] should_fail+0x3c0/0x510 [ 42.790714][ T424] ? kobj_map+0x72/0x6f0 [ 42.794939][ T424] __should_failslab+0x9f/0xe0 [ 42.799784][ T424] should_failslab+0x9/0x20 [ 42.804354][ T424] __kmalloc+0x60/0x360 [ 42.808484][ T424] ? __device_add_disk+0x585/0x11b0 [ 42.813654][ T424] kobj_map+0x72/0x6f0 [ 42.817712][ T424] ? exact_match+0x20/0x20 [ 42.822293][ T424] ? bdev_check_media_change+0x4c0/0x4c0 [ 42.828088][ T424] __device_add_disk+0x6e0/0x11b0 [ 42.833106][ T424] ? device_add_disk+0x40/0x40 [ 42.838347][ T424] ? hrtimer_init+0x2e/0x130 [ 42.842941][ T424] ? vsprintf+0x40/0x40 [ 42.847164][ T424] ? device_initialize+0x1d9/0x3a0 [ 42.852255][ T424] device_add_disk+0x2a/0x40 [ 42.856954][ T424] loop_add+0x5cf/0x870 [ 42.861112][ T424] loop_control_ioctl+0x564/0x740 [ 42.866118][ T424] ? loop_remove+0xb0/0xb0 [ 42.870577][ T424] ? __fget_files+0x310/0x370 [ 42.875240][ T424] ? security_file_ioctl+0xb1/0xd0 [ 42.880352][ T424] ? loop_remove+0xb0/0xb0 [ 42.884747][ T424] __se_sys_ioctl+0x115/0x190 [ 42.889419][ T424] __x64_sys_ioctl+0x7b/0x90 [ 42.893999][ T424] do_syscall_64+0x34/0x70 [ 42.898411][ T424] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.904280][ T424] RIP: 0033:0x7ffb21a890e9 [ 42.908670][ T424] 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 [ 42.928516][ T424] RSP: 002b:00007ffb219ff168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.937119][ T424] RAX: ffffffffffffffda RBX: 00007ffb21b9bf60 RCX: 00007ffb21a890e9 [ 42.945343][ T424] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 42.953478][ T424] RBP: 00007ffb219ff1d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.961459][ T424] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.969410][ T424] R13: 00007ffe767ac2ef R14: 00007ffb219ff300 R15: 0000000000022000 [ 42.978540][ T409] ================================================================== [ 42.986697][ T409] BUG: KASAN: use-after-free in exact_lock+0x38/0xc0 [ 42.993461][ T409] Read of size 8 at addr ffff88810e20f450 by task udevd/409 [ 43.000724][ T409] [ 43.003047][ T409] CPU: 1 PID: 409 Comm: udevd Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 43.014350][ T409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.024681][ T409] Call Trace: [ 43.027963][ T409] dump_stack_lvl+0x1e2/0x24b [ 43.032621][ T409] ? printk+0xcf/0x10f [ 43.036753][ T409] ? bfq_pos_tree_add_move+0x43e/0x43e [ 43.042200][ T409] ? wake_up_klogd+0xb8/0xf0 [ 43.046793][ T409] ? panic+0x7d7/0x7d7 [ 43.051334][ T409] print_address_description+0x81/0x3c0 [ 43.056864][ T409] kasan_report+0x1a4/0x1f0 [ 43.061425][ T409] ? exact_lock+0x38/0xc0 [ 43.065813][ T409] ? exact_lock+0x38/0xc0 [ 43.070107][ T409] ? bdev_check_media_change+0x4c0/0x4c0 [ 43.075891][ T409] __asan_report_load8_noabort+0x14/0x20 [ 43.081646][ T409] exact_lock+0x38/0xc0 [ 43.086216][ T409] kobj_lookup+0x2a7/0x440 [ 43.090614][ T409] get_gendisk+0xf6/0x3c0 [ 43.094917][ T409] __blkdev_get+0x1a4/0x1360 [ 43.099565][ T409] ? bdev_test+0xa0/0xa0 [ 43.103788][ T409] ? blkdev_bio_end_io+0x470/0x470 [ 43.108987][ T409] ? selinux_file_receive+0x140/0x140 [ 43.114336][ T409] blkdev_open+0x21a/0x450 [ 43.118721][ T409] ? block_ioctl+0xf0/0xf0 [ 43.123368][ T409] do_dentry_open+0x7a2/0x1090 [ 43.128285][ T409] vfs_open+0x73/0x80 [ 43.132246][ T409] path_openat+0x2638/0x2fd0 [ 43.136823][ T409] ? __kasan_slab_alloc+0xb2/0xe0 [ 43.141840][ T409] ? do_filp_open+0x440/0x440 [ 43.146511][ T409] do_filp_open+0x200/0x440 [ 43.151097][ T409] ? vfs_tmpfile+0x230/0x230 [ 43.155939][ T409] ? get_unused_fd_flags+0x95/0xa0 [ 43.161215][ T409] do_sys_openat2+0x13b/0x470 [ 43.165959][ T409] ? do_sys_open+0x220/0x220 [ 43.170673][ T409] ? __fdget_pos+0x1fe/0x310 [ 43.175247][ T409] __x64_sys_openat+0x243/0x290 [ 43.180353][ T409] ? __ia32_sys_open+0x270/0x270 [ 43.185548][ T409] ? debug_smp_processor_id+0x17/0x20 [ 43.190888][ T409] do_syscall_64+0x34/0x70 [ 43.195274][ T409] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.201439][ T409] RIP: 0033:0x7fbe00609697 [ 43.205933][ 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 [ 43.225732][ T409] RSP: 002b:00007ffd9b83f650 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 43.234302][ T409] RAX: ffffffffffffffda RBX: 000056422fc1fe30 RCX: 00007fbe00609697 [ 43.242299][ T409] RDX: 00000000000a0800 RSI: 000056422fc1ab00 RDI: 00000000ffffff9c [ 43.250264][ T409] RBP: 000056422fc1ab00 R08: 00000000ffffffff R09: 00007ffd9b9e80b8 [ 43.258333][ T409] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000a0800 [ 43.266469][ T409] R13: 000056422fbf8b00 R14: 0000000000000001 R15: 000056422fbea2c0 [ 43.274433][ T409] [ 43.276911][ T409] Allocated by task 422: [ 43.281299][ T409] ____kasan_kmalloc+0xdc/0x110 [ 43.286130][ T409] __kasan_kmalloc+0x9/0x10 [ 43.290627][ T409] kmem_cache_alloc_trace+0x1dd/0x330 [ 43.296381][ T409] __alloc_disk_node+0x75/0x330 [ 43.301316][ T409] loop_add+0x372/0x870 [ 43.305556][ T409] loop_control_ioctl+0x564/0x740 [ 43.310658][ T409] __se_sys_ioctl+0x115/0x190 [ 43.315415][ T409] __x64_sys_ioctl+0x7b/0x90 [ 43.320419][ T409] do_syscall_64+0x34/0x70 [ 43.325135][ T409] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.331412][ T409] [ 43.333729][ T409] Freed by task 422: [ 43.337613][ T409] kasan_set_track+0x4c/0x80 [ 43.342253][ T409] kasan_set_free_info+0x23/0x40 [ 43.347160][ T409] ____kasan_slab_free+0x121/0x160 [ 43.352240][ T409] __kasan_slab_free+0x11/0x20 [ 43.356976][ T409] slab_free_freelist_hook+0xcc/0x1a0 [ 43.362577][ T409] kfree+0xc3/0x290 [ 43.366384][ T409] disk_release+0x240/0x2a0 [ 43.370854][ T409] device_release+0x9c/0x1d0 [ 43.375505][ T409] kobject_put+0x163/0x240 [ 43.379898][ T409] put_disk+0x23/0x30 [ 43.383861][ T409] loop_add+0x61d/0x870 [ 43.388008][ T409] loop_control_ioctl+0x564/0x740 [ 43.393112][ T409] __se_sys_ioctl+0x115/0x190 [ 43.397823][ T409] __x64_sys_ioctl+0x7b/0x90 [ 43.402427][ T409] do_syscall_64+0x34/0x70 [ 43.407081][ T409] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.413032][ T409] [ 43.415336][ T409] The buggy address belongs to the object at ffff88810e20f000 [ 43.415336][ T409] which belongs to the cache kmalloc-2k of size 2048 [ 43.429368][ T409] The buggy address is located 1104 bytes inside of [ 43.429368][ T409] 2048-byte region [ffff88810e20f000, ffff88810e20f800) [ 43.443100][ T409] The buggy address belongs to the page: [ 43.448730][ T409] page:ffffea0004388200 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10e208 [ 43.459312][ T409] head:ffffea0004388200 order:3 compound_mapcount:0 compound_pincount:0 [ 43.467709][ T409] flags: 0x8000000000010200(slab|head) [ 43.473175][ T409] raw: 8000000000010200 dead000000000100 dead000000000122 ffff888100042d80 [ 43.481740][ T409] raw: 0000000000000000 0000000000080008 00000001ffffffff 0000000000000000 [ 43.490495][ T409] page dumped because: kasan: bad access detected [ 43.496893][ T409] page_owner tracks the page as allocated [ 43.502695][ T409] page last allocated via order 3, migratetype Unmovable, gfp_mask 0x1d2a20(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 19, ts 42366525015, free_ts 42020874765 [ 43.522420][ T409] get_page_from_freelist+0x745/0x760 [ 43.527794][ T409] __alloc_pages_nodemask+0x3b6/0x890 [ 43.533312][ T409] allocate_slab+0x78/0x540 [ 43.537804][ T409] ___slab_alloc+0x131/0x2e0 [ 43.542382][ T409] __slab_alloc+0x63/0xa0 [ 43.546783][ T409] __kmalloc_track_caller+0x23e/0x350 [ 43.552127][ T409] __alloc_skb+0xbe/0x580 [ 43.556618][ T409] alloc_skb_with_frags+0xac/0x5a0 [ 43.561715][ T409] sock_alloc_send_pskb+0x848/0x970 [ 43.567016][ T409] sock_alloc_send_skb+0x32/0x40 [ 43.572190][ T409] mld_newpack+0x1b4/0x9c0 [ 43.576590][ T409] add_grec+0xf55/0x13d0 [ 43.580910][ T409] mld_send_initial_cr+0x1f8/0x2c0 [ 43.586008][ T409] ipv6_mc_dad_complete+0x70/0x3b0 [ 43.591108][ T409] addrconf_dad_completed+0x66c/0xdd0 [ 43.596729][ T409] addrconf_dad_work+0xd72/0x15d0 [ 43.601737][ T409] page last free stack trace: [ 43.606584][ T409] __free_pages_ok+0x7f8/0x830 [ 43.611347][ T409] __free_pages+0x2d2/0x4c0 [ 43.616009][ T409] __free_slab+0xd3/0x190 [ 43.620332][ T409] unfreeze_partials+0x17d/0x1b0 [ 43.625414][ T409] put_cpu_partial+0xc8/0x190 [ 43.630063][ T409] __slab_free+0x2d8/0x3a0 [ 43.634709][ T409] ___cache_free+0x11f/0x140 [ 43.639643][ T409] qlink_free+0x38/0x40 [ 43.644055][ T409] qlist_free_all+0x4c/0xc0 [ 43.649063][ T409] kasan_quarantine_reduce+0x15a/0x170 [ 43.654685][ T409] __kasan_slab_alloc+0x2f/0xe0 [ 43.659624][ T409] kmem_cache_alloc+0x16c/0x300 [ 43.664454][ T409] getname_flags+0xba/0x510 [ 43.669015][ T409] user_path_at_empty+0x2d/0x50 [ 43.674044][ T409] __x64_sys_umount+0xf0/0x170 [ 43.678801][ T409] do_syscall_64+0x34/0x70 [ 43.683189][ T409] [ 43.685605][ T409] Memory state around the buggy address: [ 43.691312][ T409] ffff88810e20f300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 43.699344][ T409] ffff88810e20f380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 43.707570][ T409] >ffff88810e20f400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 43.715892][ T409] ^ [ 43.722777][ T409] ffff88810e20f480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 43.730814][ T409] ffff88810e20f500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 43.738854][ T409] ================================================================== [ 43.746983][ T409] Disabling lock debugging due to kernel taint [ 43.805070][ T426] FAULT_INJECTION: forcing a failure. [ 43.805070][ T426] name failslab, interval 1, probability 0, space 0, times 0 [ 43.818094][ T426] CPU: 0 PID: 426 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 43.830362][ T426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.840747][ T426] Call Trace: [ 43.844036][ T426] dump_stack_lvl+0x1e2/0x24b [ 43.848719][ T426] ? panic+0x7d7/0x7d7 [ 43.852785][ T426] ? bfq_pos_tree_add_move+0x43e/0x43e [ 43.858225][ T426] dump_stack+0x15/0x17 [ 43.862486][ T426] should_fail+0x3c0/0x510 [ 43.866895][ T426] __should_failslab+0x9f/0xe0 [ 43.871739][ T426] should_failslab+0x9/0x20 [ 43.876318][ T426] kmem_cache_alloc+0x3f/0x300 [ 43.881175][ T426] ? __kernfs_new_node+0xdb/0x6e0 [ 43.886264][ T426] __kernfs_new_node+0xdb/0x6e0 [ 43.891089][ T426] ? stack_trace_save+0x12d/0x1f0 [ 43.896142][ T426] ? kernfs_new_node+0x170/0x170 [ 43.901104][ T426] ? stack_trace_snprint+0x100/0x100 [ 43.906463][ T426] ? dput+0x2ce/0x320 [ 43.910423][ T426] ? device_add+0xbe/0xbd0 [ 43.914818][ T426] kernfs_create_dir_ns+0x9b/0x230 [ 43.919907][ T426] sysfs_create_dir_ns+0x181/0x390 [ 43.924996][ T426] ? sysfs_warn_dup+0xa0/0xa0 [ 43.929643][ T426] kobject_add_internal+0x766/0xda0 [ 43.934829][ T426] kobject_add+0x14c/0x210 [ 43.939223][ T426] ? _raw_spin_lock+0xa3/0x1b0 [ 43.944136][ T426] ? kobject_init+0x1e0/0x1e0 [ 43.948786][ T426] ? __kasan_check_write+0x14/0x20 [ 43.953883][ T426] ? mutex_unlock+0x1d/0x40 [ 43.958358][ T426] ? get_device_parent+0x2c5/0x430 [ 43.963449][ T426] device_add+0x3ca/0xbd0 [ 43.967755][ T426] __device_add_disk+0x7c1/0x11b0 [ 43.972765][ T426] ? device_add_disk+0x40/0x40 [ 43.977520][ T426] ? hrtimer_init+0x2e/0x130 [ 43.982098][ T426] ? vsprintf+0x40/0x40 [ 43.986419][ T426] ? device_initialize+0x1d9/0x3a0 [ 43.991609][ T426] device_add_disk+0x2a/0x40 [ 43.996189][ T426] loop_add+0x5cf/0x870 [ 44.000326][ T426] loop_control_ioctl+0x564/0x740 [ 44.005325][ T426] ? loop_remove+0xb0/0xb0 [ 44.009802][ T426] ? __fget_files+0x310/0x370 [ 44.014454][ T426] ? security_file_ioctl+0xb1/0xd0 [ 44.019548][ T426] ? loop_remove+0xb0/0xb0 [ 44.023949][ T426] __se_sys_ioctl+0x115/0x190 [ 44.028608][ T426] __x64_sys_ioctl+0x7b/0x90 [ 44.033191][ T426] do_syscall_64+0x34/0x70 [ 44.037583][ T426] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.043535][ T426] RIP: 0033:0x7ffb21a890e9 [ 44.048283][ T426] 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 [ 44.068123][ T426] RSP: 002b:00007ffb219ff168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.076507][ T426] RAX: ffffffffffffffda RBX: 00007ffb21b9bf60 RCX: 00007ffb21a890e9 [ 44.084556][ T426] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 44.092499][ T426] RBP: 00007ffb219ff1d0 R08: 0000000000000000 R09: 0000000000000000 [ 44.100623][ T426] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.108664][ T426] R13: 00007ffe767ac2ef R14: 00007ffb219ff300 R15: 0000000000022000 [ 44.117003][ T426] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 44.130857][ T428] FAULT_INJECTION: forcing a failure. [ 44.130857][ T428] name failslab, interval 1, probability 0, space 0, times 0 [ 44.143760][ T428] CPU: 1 PID: 428 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 44.155891][ T428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.166021][ T428] Call Trace: [ 44.169422][ T428] dump_stack_lvl+0x1e2/0x24b [ 44.174235][ T428] ? panic+0x7d7/0x7d7 [ 44.178285][ T428] ? bfq_pos_tree_add_move+0x43e/0x43e [ 44.187661][ T428] ? memcpy+0x56/0x70 [ 44.191631][ T428] dump_stack+0x15/0x17 [ 44.195764][ T428] should_fail+0x3c0/0x510 [ 44.200167][ T428] ? device_add+0xbe/0xbd0 [ 44.204586][ T428] __should_failslab+0x9f/0xe0 [ 44.209325][ T428] should_failslab+0x9/0x20 [ 44.214254][ T428] kmem_cache_alloc_trace+0x3a/0x330 [ 44.219607][ T428] ? __kasan_check_write+0x14/0x20 [ 44.224704][ T428] device_add+0xbe/0xbd0 [ 44.228934][ T428] __device_add_disk+0x7c1/0x11b0 [ 44.233935][ T428] ? device_add_disk+0x40/0x40 [ 44.238681][ T428] ? hrtimer_init+0x2e/0x130 [ 44.243310][ T428] ? vsprintf+0x40/0x40 [ 44.247721][ T428] ? device_initialize+0x1d9/0x3a0 [ 44.252816][ T428] device_add_disk+0x2a/0x40 [ 44.257496][ T428] loop_add+0x5cf/0x870 [ 44.261723][ T428] loop_control_ioctl+0x564/0x740 [ 44.266724][ T428] ? loop_remove+0xb0/0xb0 [ 44.271111][ T428] ? __fget_files+0x310/0x370 [ 44.275782][ T428] ? security_file_ioctl+0xb1/0xd0 [ 44.281004][ T428] ? loop_remove+0xb0/0xb0 [ 44.285802][ T428] __se_sys_ioctl+0x115/0x190 [ 44.290489][ T428] __x64_sys_ioctl+0x7b/0x90 [ 44.295070][ T428] do_syscall_64+0x34/0x70 [ 44.299491][ T428] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.305569][ T428] RIP: 0033:0x7ffb21a890e9 [ 44.309976][ T428] 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 [ 44.329654][ T428] RSP: 002b:00007ffb219ff168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.338051][ T428] RAX: ffffffffffffffda RBX: 00007ffb21b9bf60 RCX: 00007ffb21a890e9 [ 44.346113][ T428] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 44.355022][ T428] RBP: 00007ffb219ff1d0 R08: 0000000000000000 R09: 0000000000000000 [ 44.363060][ T428] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.371280][ T428] R13: 00007ffe767ac2ef R14: 00007ffb219ff300 R15: 0000000000022000 [ 44.385522][ T430] FAULT_INJECTION: forcing a failure. [ 44.385522][ T430] name failslab, interval 1, probability 0, space 0, times 0 [ 44.398248][ T430] CPU: 1 PID: 430 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 44.410572][ T430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.420796][ T430] Call Trace: [ 44.424089][ T430] dump_stack_lvl+0x1e2/0x24b [ 44.428747][ T430] ? panic+0x7d7/0x7d7 [ 44.432786][ T430] ? bfq_pos_tree_add_move+0x43e/0x43e [ 44.438365][ T430] dump_stack+0x15/0x17 [ 44.442625][ T430] should_fail+0x3c0/0x510 [ 44.447119][ T430] __should_failslab+0x9f/0xe0 [ 44.451869][ T430] should_failslab+0x9/0x20 [ 44.456347][ T430] kmem_cache_alloc+0x3f/0x300 [ 44.461080][ T430] ? __kernfs_new_node+0xdb/0x6e0 [ 44.466073][ T430] __kernfs_new_node+0xdb/0x6e0 [ 44.471021][ T430] ? stack_trace_save+0x12d/0x1f0 [ 44.476022][ T430] ? kernfs_new_node+0x170/0x170 [ 44.480946][ T430] ? stack_trace_snprint+0x100/0x100 [ 44.486294][ T430] ? dput+0x2ce/0x320 [ 44.490248][ T430] ? device_add+0xbe/0xbd0 [ 44.494719][ T430] kernfs_create_dir_ns+0x9b/0x230 [ 44.499819][ T430] sysfs_create_dir_ns+0x181/0x390 [ 44.504918][ T430] ? sysfs_warn_dup+0xa0/0xa0 [ 44.509572][ T430] kobject_add_internal+0x766/0xda0 [ 44.514751][ T430] kobject_add+0x14c/0x210 [ 44.519139][ T430] ? _raw_spin_lock+0xa3/0x1b0 [ 44.524068][ T430] ? kobject_init+0x1e0/0x1e0 [ 44.528843][ T430] ? __kasan_check_write+0x14/0x20 [ 44.533929][ T430] ? mutex_unlock+0x1d/0x40 [ 44.538408][ T430] ? get_device_parent+0x2c5/0x430 [ 44.543670][ T430] device_add+0x3ca/0xbd0 [ 44.548081][ T430] __device_add_disk+0x7c1/0x11b0 [ 44.553076][ T430] ? device_add_disk+0x40/0x40 [ 44.557819][ T430] ? hrtimer_init+0x2e/0x130 [ 44.562465][ T430] ? vsprintf+0x40/0x40 [ 44.566604][ T430] ? device_initialize+0x1d9/0x3a0 [ 44.571701][ T430] device_add_disk+0x2a/0x40 [ 44.576276][ T430] loop_add+0x5cf/0x870 [ 44.580657][ T430] loop_control_ioctl+0x564/0x740 [ 44.585659][ T430] ? loop_remove+0xb0/0xb0 [ 44.590444][ T430] ? __fget_files+0x310/0x370 [ 44.595102][ T430] ? security_file_ioctl+0xb1/0xd0 [ 44.600266][ T430] ? loop_remove+0xb0/0xb0 [ 44.604666][ T430] __se_sys_ioctl+0x115/0x190 [ 44.609340][ T430] __x64_sys_ioctl+0x7b/0x90 [ 44.613951][ T430] do_syscall_64+0x34/0x70 [ 44.618613][ T430] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.624478][ T430] RIP: 0033:0x7ffb21a890e9 [ 44.628968][ T430] 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 [ 44.648716][ T430] RSP: 002b:00007ffb219ff168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.657294][ T430] RAX: ffffffffffffffda RBX: 00007ffb21b9bf60 RCX: 00007ffb21a890e9 [ 44.667182][ T430] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 44.675323][ T430] RBP: 00007ffb219ff1d0 R08: 0000000000000000 R09: 0000000000000000 [ 44.683606][ T430] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.691761][ T430] R13: 00007ffe767ac2ef R14: 00007ffb219ff300 R15: 0000000000022000 [ 44.700774][ T430] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 44.716517][ T432] FAULT_INJECTION: forcing a failure. [ 44.716517][ T432] name failslab, interval 1, probability 0, space 0, times 0 [ 44.729258][ T432] CPU: 1 PID: 432 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 44.741994][ T432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.752438][ T432] Call Trace: [ 44.756259][ T432] dump_stack_lvl+0x1e2/0x24b [ 44.760926][ T432] ? bfq_pos_tree_add_move+0x43e/0x43e [ 44.766370][ T432] ? __lookup_slow+0x2f7/0x400 [ 44.771550][ T432] ? lookup_one_len+0x6a0/0x6a0 [ 44.776374][ T432] dump_stack+0x15/0x17 [ 44.780586][ T432] should_fail+0x3c0/0x510 [ 44.784976][ T432] __should_failslab+0x9f/0xe0 [ 44.789720][ T432] should_failslab+0x9/0x20 [ 44.794284][ T432] kmem_cache_alloc+0x3f/0x300 [ 44.799314][ T432] ? new_inode_pseudo+0x7c/0x220 [ 44.804413][ T432] new_inode_pseudo+0x7c/0x220 [ 44.809164][ T432] new_inode+0x28/0x1c0 [ 44.813305][ T432] ? start_creating+0x206/0x320 [ 44.818333][ T432] __debugfs_create_file+0x143/0x4a0 [ 44.823798][ T432] ? up_write+0x19/0xd0 [ 44.827924][ T432] debugfs_create_file+0x4a/0x60 [ 44.832833][ T432] bdi_register_va+0x2ab/0x600 [ 44.837696][ T432] bdi_register+0xd1/0x120 [ 44.842371][ T432] ? __device_add_disk+0x585/0x11b0 [ 44.847666][ T432] ? bdi_register_va+0x600/0x600 [ 44.852835][ T432] ? vsnprintf+0x1bfd/0x1cd0 [ 44.857606][ T432] ? __kasan_check_read+0x11/0x20 [ 44.862616][ T432] ? blk_alloc_devt+0xd4/0x320 [ 44.867810][ T432] __device_add_disk+0x61c/0x11b0 [ 44.872830][ T432] ? device_add_disk+0x40/0x40 [ 44.877702][ T432] ? hrtimer_init+0x2e/0x130 [ 44.882279][ T432] ? vsprintf+0x40/0x40 [ 44.886616][ T432] ? device_initialize+0x1d9/0x3a0 [ 44.891731][ T432] device_add_disk+0x2a/0x40 [ 44.896314][ T432] loop_add+0x5cf/0x870 [ 44.900467][ T432] loop_control_ioctl+0x564/0x740 [ 44.905473][ T432] ? loop_remove+0xb0/0xb0 [ 44.909897][ T432] ? __fget_files+0x310/0x370 [ 44.914744][ T432] ? security_file_ioctl+0xb1/0xd0 [ 44.919927][ T432] ? loop_remove+0xb0/0xb0 [ 44.925115][ T432] __se_sys_ioctl+0x115/0x190 [ 44.930324][ T432] __x64_sys_ioctl+0x7b/0x90 [ 44.934885][ T432] do_syscall_64+0x34/0x70 [ 44.939445][ T432] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.945567][ T432] RIP: 0033:0x7ffb21a890e9 [ 44.949959][ T432] 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 [ 44.970169][ T432] RSP: 002b:00007ffb219ff168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.978656][ T432] RAX: ffffffffffffffda RBX: 00007ffb21b9bf60 RCX: 00007ffb21a890e9 [ 44.986723][ T432] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 44.994866][ T432] RBP: 00007ffb219ff1d0 R08: 0000000000000000 R09: 0000000000000000 [ 45.005459][ T432] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.013682][ T432] R13: 00007ffe767ac2ef R14: 00007ffb219ff300 R15: 0000000000022000 [ 45.023341][ T432] debugfs: out of free dentries, can not create file 'stats' [ 45.165040][ T436] FAULT_INJECTION: forcing a failure. [ 45.165040][ T436] name failslab, interval 1, probability 0, space 0, times 0 [ 45.177829][ T436] CPU: 0 PID: 436 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 45.190303][ T436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.200342][ T436] Call Trace: [ 45.203622][ T436] dump_stack_lvl+0x1e2/0x24b [ 45.208285][ T436] ? panic+0x7d7/0x7d7 [ 45.212333][ T436] ? bfq_pos_tree_add_move+0x43e/0x43e [ 45.218136][ T436] dump_stack+0x15/0x17 [ 45.222384][ T436] should_fail+0x3c0/0x510 [ 45.226988][ T436] __should_failslab+0x9f/0xe0 [ 45.231926][ T436] should_failslab+0x9/0x20 [ 45.236692][ T436] kmem_cache_alloc+0x3f/0x300 [ 45.241634][ T436] ? __kernfs_new_node+0xdb/0x6e0 [ 45.247663][ T436] __kernfs_new_node+0xdb/0x6e0 [ 45.253300][ T436] ? stack_trace_save+0x12d/0x1f0 [ 45.258422][ T436] ? kernfs_new_node+0x170/0x170 [ 45.263602][ T436] ? stack_trace_snprint+0x100/0x100 [ 45.269237][ T436] ? dput+0x2ce/0x320 [ 45.273213][ T436] ? device_add+0xbe/0xbd0 [ 45.277788][ T436] kernfs_create_dir_ns+0x9b/0x230 [ 45.282877][ T436] sysfs_create_dir_ns+0x181/0x390 [ 45.288074][ T436] ? sysfs_warn_dup+0xa0/0xa0 [ 45.292853][ T436] kobject_add_internal+0x766/0xda0 [ 45.298128][ T436] kobject_add+0x14c/0x210 [ 45.306013][ T436] ? _raw_spin_lock+0xa3/0x1b0 [ 45.310769][ T436] ? kobject_init+0x1e0/0x1e0 [ 45.315511][ T436] ? __kasan_check_write+0x14/0x20 [ 45.320605][ T436] ? mutex_unlock+0x1d/0x40 [ 45.325093][ T436] ? get_device_parent+0x2c5/0x430 [ 45.330368][ T436] device_add+0x3ca/0xbd0 [ 45.334680][ T436] __device_add_disk+0x7c1/0x11b0 [ 45.339688][ T436] ? device_add_disk+0x40/0x40 [ 45.344551][ T436] ? hrtimer_init+0x2e/0x130 [ 45.349447][ T436] ? vsprintf+0x40/0x40 [ 45.353588][ T436] ? device_initialize+0x1d9/0x3a0 [ 45.358703][ T436] device_add_disk+0x2a/0x40 [ 45.363365][ T436] loop_add+0x5cf/0x870 [ 45.367518][ T436] loop_control_ioctl+0x564/0x740 [ 45.372530][ T436] ? loop_remove+0xb0/0xb0 [ 45.376955][ T436] ? __fget_files+0x310/0x370 [ 45.381621][ T436] ? security_file_ioctl+0xb1/0xd0 [ 45.386725][ T436] ? loop_remove+0xb0/0xb0 [ 45.391238][ T436] __se_sys_ioctl+0x115/0x190 [ 45.396097][ T436] __x64_sys_ioctl+0x7b/0x90 [ 45.400669][ T436] do_syscall_64+0x34/0x70 [ 45.405079][ T436] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.411035][ T436] RIP: 0033:0x7ffb21a890e9 [ 45.415425][ 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 [ 45.435178][ T436] RSP: 002b:00007ffb219de168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.443576][ T436] RAX: ffffffffffffffda RBX: 00007ffb21b9c030 RCX: 00007ffb21a890e9 [ 45.451540][ T436] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 45.459589][ T436] RBP: 00007ffb219de1d0 R08: 0000000000000000 R09: 0000000000000000 [ 45.467685][ T436] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.475658][ T436] R13: 00007ffe767ac2ef R14: 00007ffb219de300 R15: 0000000000022000 [ 45.483862][ T436] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 45.497413][ T438] FAULT_INJECTION: forcing a failure. [ 45.497413][ T438] name failslab, interval 1, probability 0, space 0, times 0 [ 45.510155][ T438] CPU: 1 PID: 438 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 45.522277][ T438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.532464][ T438] Call Trace: [ 45.535741][ T438] dump_stack_lvl+0x1e2/0x24b [ 45.540392][ T438] ? bfq_pos_tree_add_move+0x43e/0x43e [ 45.546108][ T438] dump_stack+0x15/0x17 [ 45.550246][ T438] should_fail+0x3c0/0x510 [ 45.554659][ T438] ? __kernfs_new_node+0x99/0x6e0 [ 45.559763][ T438] __should_failslab+0x9f/0xe0 [ 45.564519][ T438] should_failslab+0x9/0x20 [ 45.569021][ T438] __kmalloc_track_caller+0x5f/0x350 [ 45.574668][ T438] ? __kernel_text_address+0x9a/0x110 [ 45.580151][ T438] ? unwind_get_return_address+0x4c/0x90 [ 45.585763][ T438] kstrdup_const+0x55/0x90 [ 45.590185][ T438] __kernfs_new_node+0x99/0x6e0 [ 45.595119][ T438] ? stack_trace_save+0x12d/0x1f0 [ 45.600420][ T438] ? kernfs_new_node+0x170/0x170 [ 45.605431][ T438] ? stack_trace_snprint+0x100/0x100 [ 45.611510][ T438] ? dput+0x2ce/0x320 [ 45.615732][ T438] ? device_add+0xbe/0xbd0 [ 45.620223][ T438] kernfs_create_dir_ns+0x9b/0x230 [ 45.625862][ T438] sysfs_create_dir_ns+0x181/0x390 [ 45.630955][ T438] ? sysfs_warn_dup+0xa0/0xa0 [ 45.635611][ T438] kobject_add_internal+0x766/0xda0 [ 45.640887][ T438] kobject_add+0x14c/0x210 [ 45.645652][ T438] ? _raw_spin_lock+0xa3/0x1b0 [ 45.651373][ T438] ? kobject_init+0x1e0/0x1e0 [ 45.656502][ T438] ? __kasan_check_write+0x14/0x20 [ 45.662219][ T438] ? mutex_unlock+0x1d/0x40 [ 45.666807][ T438] ? get_device_parent+0x2c5/0x430 [ 45.672957][ T438] device_add+0x3ca/0xbd0 [ 45.677700][ T438] __device_add_disk+0x7c1/0x11b0 [ 45.682800][ T438] ? device_add_disk+0x40/0x40 [ 45.687561][ T438] ? hrtimer_init+0x2e/0x130 [ 45.692229][ T438] ? vsprintf+0x40/0x40 [ 45.696460][ T438] ? device_initialize+0x1d9/0x3a0 [ 45.702172][ T438] device_add_disk+0x2a/0x40 [ 45.709458][ T438] loop_add+0x5cf/0x870 [ 45.713734][ T438] loop_control_ioctl+0x564/0x740 [ 45.719437][ T438] ? loop_remove+0xb0/0xb0 [ 45.724014][ T438] ? __fget_files+0x310/0x370 [ 45.728676][ T438] ? security_file_ioctl+0xb1/0xd0 [ 45.733764][ T438] ? loop_remove+0xb0/0xb0 [ 45.738329][ T438] __se_sys_ioctl+0x115/0x190 [ 45.742976][ T438] __x64_sys_ioctl+0x7b/0x90 [ 45.747669][ T438] do_syscall_64+0x34/0x70 [ 45.752079][ T438] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.758135][ T438] RIP: 0033:0x7ffb21a890e9 [ 45.762548][ 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 [ 45.782545][ T438] RSP: 002b:00007ffb219ff168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.790942][ T438] RAX: ffffffffffffffda RBX: 00007ffb21b9bf60 RCX: 00007ffb21a890e9 [ 45.799027][ T438] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 45.807865][ T438] RBP: 00007ffb219ff1d0 R08: 0000000000000000 R09: 0000000000000000 2022/05/26 17:47:43 executed programs: 13 [ 45.816177][ T438] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.824256][ T438] R13: 00007ffe767ac2ef R14: 00007ffb219ff300 R15: 0000000000022000 [ 45.832651][ T438] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 45.847538][ T440] FAULT_INJECTION: forcing a failure. [ 45.847538][ T440] name failslab, interval 1, probability 0, space 0, times 0 [ 45.860226][ T440] CPU: 0 PID: 440 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 45.872371][ T440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.882692][ T440] Call Trace: [ 45.886053][ T440] dump_stack_lvl+0x1e2/0x24b [ 45.890818][ T440] ? panic+0x7d7/0x7d7 [ 45.894881][ T440] ? bfq_pos_tree_add_move+0x43e/0x43e [ 45.900332][ T440] ? memcpy+0x56/0x70 [ 45.904511][ T440] dump_stack+0x15/0x17 [ 45.908664][ T440] should_fail+0x3c0/0x510 [ 45.913060][ T440] ? device_add+0xbe/0xbd0 [ 45.917482][ T440] __should_failslab+0x9f/0xe0 [ 45.922236][ T440] should_failslab+0x9/0x20 [ 45.926732][ T440] kmem_cache_alloc_trace+0x3a/0x330 [ 45.932215][ T440] ? __kasan_check_write+0x14/0x20 [ 45.937364][ T440] device_add+0xbe/0xbd0 [ 45.941594][ T440] __device_add_disk+0x7c1/0x11b0 [ 45.946833][ T440] ? device_add_disk+0x40/0x40 [ 45.951694][ T440] ? hrtimer_init+0x2e/0x130 [ 45.956275][ T440] ? vsprintf+0x40/0x40 [ 45.960412][ T440] ? device_initialize+0x1d9/0x3a0 [ 45.965497][ T440] device_add_disk+0x2a/0x40 [ 45.970070][ T440] loop_add+0x5cf/0x870 [ 45.974255][ T440] loop_control_ioctl+0x564/0x740 [ 45.979270][ T440] ? loop_remove+0xb0/0xb0 [ 45.983761][ T440] ? __fget_files+0x310/0x370 [ 45.988501][ T440] ? security_file_ioctl+0xb1/0xd0 [ 45.993585][ T440] ? loop_remove+0xb0/0xb0 [ 45.998000][ T440] __se_sys_ioctl+0x115/0x190 [ 46.002744][ T440] __x64_sys_ioctl+0x7b/0x90 [ 46.007322][ T440] do_syscall_64+0x34/0x70 [ 46.011737][ T440] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.017740][ T440] RIP: 0033:0x7ffb21a890e9 [ 46.022197][ 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 [ 46.042137][ T440] RSP: 002b:00007ffb219ff168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.050919][ T440] RAX: ffffffffffffffda RBX: 00007ffb21b9bf60 RCX: 00007ffb21a890e9 [ 46.059064][ T440] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 46.067156][ T440] RBP: 00007ffb219ff1d0 R08: 0000000000000000 R09: 0000000000000000 [ 46.075197][ T440] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.083248][ T440] R13: 00007ffe767ac2ef R14: 00007ffb219ff300 R15: 0000000000022000 [ 46.098836][ T442] FAULT_INJECTION: forcing a failure. [ 46.098836][ T442] name failslab, interval 1, probability 0, space 0, times 0 [ 46.111599][ T442] CPU: 1 PID: 442 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 46.123822][ T442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.133856][ T442] Call Trace: [ 46.137337][ T442] dump_stack_lvl+0x1e2/0x24b [ 46.142819][ T442] ? panic+0x7d7/0x7d7 [ 46.146980][ T442] ? bfq_pos_tree_add_move+0x43e/0x43e [ 46.152601][ T442] dump_stack+0x15/0x17 [ 46.156763][ T442] should_fail+0x3c0/0x510 [ 46.161319][ T442] __should_failslab+0x9f/0xe0 [ 46.166349][ T442] should_failslab+0x9/0x20 [ 46.171188][ T442] kmem_cache_alloc+0x3f/0x300 [ 46.176473][ T442] ? __kernfs_new_node+0xdb/0x6e0 [ 46.181482][ T442] __kernfs_new_node+0xdb/0x6e0 [ 46.186320][ T442] ? stack_trace_save+0x12d/0x1f0 [ 46.191595][ T442] ? kernfs_new_node+0x170/0x170 [ 46.196626][ T442] ? stack_trace_snprint+0x100/0x100 [ 46.202240][ T442] ? dput+0x2ce/0x320 [ 46.206207][ T442] ? device_add+0xbe/0xbd0 [ 46.210709][ T442] kernfs_create_dir_ns+0x9b/0x230 [ 46.215907][ T442] sysfs_create_dir_ns+0x181/0x390 [ 46.221427][ T442] ? sysfs_warn_dup+0xa0/0xa0 [ 46.226080][ T442] kobject_add_internal+0x766/0xda0 [ 46.231268][ T442] kobject_add+0x14c/0x210 [ 46.235775][ T442] ? _raw_spin_lock+0xa3/0x1b0 [ 46.240688][ T442] ? kobject_init+0x1e0/0x1e0 [ 46.245687][ T442] ? __kasan_check_write+0x14/0x20 [ 46.251067][ T442] ? mutex_unlock+0x1d/0x40 [ 46.255545][ T442] ? get_device_parent+0x2c5/0x430 [ 46.260642][ T442] device_add+0x3ca/0xbd0 [ 46.264943][ T442] __device_add_disk+0x7c1/0x11b0 [ 46.270222][ T442] ? device_add_disk+0x40/0x40 [ 46.275014][ T442] ? hrtimer_init+0x2e/0x130 [ 46.279588][ T442] ? vsprintf+0x40/0x40 [ 46.283728][ T442] ? device_initialize+0x1d9/0x3a0 [ 46.288992][ T442] device_add_disk+0x2a/0x40 [ 46.293642][ T442] loop_add+0x5cf/0x870 [ 46.297932][ T442] loop_control_ioctl+0x564/0x740 [ 46.303204][ T442] ? loop_remove+0xb0/0xb0 [ 46.307876][ T442] ? __fget_files+0x310/0x370 [ 46.312526][ T442] ? security_file_ioctl+0xb1/0xd0 [ 46.317607][ T442] ? loop_remove+0xb0/0xb0 [ 46.322381][ T442] __se_sys_ioctl+0x115/0x190 [ 46.327393][ T442] __x64_sys_ioctl+0x7b/0x90 [ 46.332058][ T442] do_syscall_64+0x34/0x70 [ 46.336540][ T442] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.342590][ T442] RIP: 0033:0x7ffb21a890e9 [ 46.346989][ T442] 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 [ 46.366925][ T442] RSP: 002b:00007ffb219ff168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.375320][ T442] RAX: ffffffffffffffda RBX: 00007ffb21b9bf60 RCX: 00007ffb21a890e9 [ 46.383379][ T442] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 46.391426][ T442] RBP: 00007ffb219ff1d0 R08: 0000000000000000 R09: 0000000000000000 [ 46.399395][ T442] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.407433][ T442] R13: 00007ffe767ac2ef R14: 00007ffb219ff300 R15: 0000000000022000 [ 46.416043][ T442] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 46.431660][ T444] FAULT_INJECTION: forcing a failure. [ 46.431660][ T444] name failslab, interval 1, probability 0, space 0, times 0 [ 46.444567][ T444] CPU: 1 PID: 444 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 46.456776][ T444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.467228][ T444] Call Trace: [ 46.470959][ T444] dump_stack_lvl+0x1e2/0x24b [ 46.475644][ T444] ? panic+0x7d7/0x7d7 [ 46.479710][ T444] ? bfq_pos_tree_add_move+0x43e/0x43e [ 46.485332][ T444] ? __kasan_kmalloc+0x9/0x10 [ 46.490529][ T444] ? kobj_map+0x72/0x6f0 [ 46.495094][ T444] ? __device_add_disk+0x6e0/0x11b0 [ 46.500696][ T444] ? device_add_disk+0x2a/0x40 [ 46.505445][ T444] ? loop_control_ioctl+0x564/0x740 [ 46.510628][ T444] ? __se_sys_ioctl+0x115/0x190 [ 46.515449][ T444] ? __x64_sys_ioctl+0x7b/0x90 [ 46.520182][ T444] dump_stack+0x15/0x17 [ 46.524593][ T444] should_fail+0x3c0/0x510 [ 46.529164][ T444] ? kvasprintf_const+0x139/0x180 [ 46.534342][ T444] __should_failslab+0x9f/0xe0 [ 46.539164][ T444] should_failslab+0x9/0x20 [ 46.543639][ T444] __kmalloc_track_caller+0x5f/0x350 [ 46.549340][ T444] kstrdup_const+0x55/0x90 [ 46.554581][ T444] kvasprintf_const+0x139/0x180 [ 46.559578][ T444] kobject_set_name_vargs+0x61/0x120 [ 46.565489][ T444] dev_set_name+0xd1/0x120 [ 46.569889][ T444] ? __kmalloc+0x1f7/0x360 [ 46.574300][ T444] ? get_device+0x30/0x30 [ 46.578770][ T444] ? kobj_map+0x6ad/0x6f0 [ 46.583268][ T444] __device_add_disk+0x733/0x11b0 [ 46.588512][ T444] ? device_add_disk+0x40/0x40 [ 46.593363][ T444] ? hrtimer_init+0x2e/0x130 [ 46.597938][ T444] ? vsprintf+0x40/0x40 [ 46.602172][ T444] ? device_initialize+0x1d9/0x3a0 [ 46.607441][ T444] device_add_disk+0x2a/0x40 [ 46.612018][ T444] loop_add+0x5cf/0x870 [ 46.616320][ T444] loop_control_ioctl+0x564/0x740 [ 46.621502][ T444] ? loop_remove+0xb0/0xb0 [ 46.625994][ T444] ? __fget_files+0x310/0x370 [ 46.630665][ T444] ? security_file_ioctl+0xb1/0xd0 [ 46.635937][ T444] ? loop_remove+0xb0/0xb0 [ 46.640635][ T444] __se_sys_ioctl+0x115/0x190 [ 46.645298][ T444] __x64_sys_ioctl+0x7b/0x90 [ 46.649953][ T444] do_syscall_64+0x34/0x70 [ 46.654350][ T444] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.660577][ T444] RIP: 0033:0x7ffb21a890e9 [ 46.664967][ T444] 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 [ 46.684632][ T444] RSP: 002b:00007ffb219ff168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.693188][ T444] RAX: ffffffffffffffda RBX: 00007ffb21b9bf60 RCX: 00007ffb21a890e9 [ 46.701594][ T444] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 46.709554][ T444] RBP: 00007ffb219ff1d0 R08: 0000000000000000 R09: 0000000000000000 [ 46.717639][ T444] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.725691][ T444] R13: 00007ffe767ac2ef R14: 00007ffb219ff300 R15: 0000000000022000 [ 46.741080][ T446] FAULT_INJECTION: forcing a failure. [ 46.741080][ T446] name failslab, interval 1, probability 0, space 0, times 0 [ 46.753860][ T446] CPU: 1 PID: 446 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 46.766163][ T446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.776474][ T446] Call Trace: [ 46.779927][ T446] dump_stack_lvl+0x1e2/0x24b [ 46.784602][ T446] ? bfq_pos_tree_add_move+0x43e/0x43e [ 46.790123][ T446] dump_stack+0x15/0x17 [ 46.794359][ T446] should_fail+0x3c0/0x510 [ 46.798928][ T446] ? __kernfs_new_node+0x99/0x6e0 [ 46.804292][ T446] __should_failslab+0x9f/0xe0 [ 46.809054][ T446] should_failslab+0x9/0x20 [ 46.813540][ T446] __kmalloc_track_caller+0x5f/0x350 [ 46.819152][ T446] ? __kernel_text_address+0x9a/0x110 [ 46.824596][ T446] ? unwind_get_return_address+0x4c/0x90 [ 46.830384][ T446] kstrdup_const+0x55/0x90 [ 46.834863][ T446] __kernfs_new_node+0x99/0x6e0 [ 46.839683][ T446] ? stack_trace_save+0x12d/0x1f0 [ 46.844767][ T446] ? kernfs_new_node+0x170/0x170 [ 46.849683][ T446] ? stack_trace_snprint+0x100/0x100 [ 46.855032][ T446] ? dput+0x2ce/0x320 [ 46.858994][ T446] ? device_add+0xbe/0xbd0 [ 46.863464][ T446] kernfs_create_dir_ns+0x9b/0x230 [ 46.868546][ T446] sysfs_create_dir_ns+0x181/0x390 [ 46.873725][ T446] ? sysfs_warn_dup+0xa0/0xa0 [ 46.878475][ T446] kobject_add_internal+0x766/0xda0 [ 46.883650][ T446] kobject_add+0x14c/0x210 [ 46.888434][ T446] ? _raw_spin_lock+0xa3/0x1b0 [ 46.893199][ T446] ? kobject_init+0x1e0/0x1e0 [ 46.897937][ T446] ? __kasan_check_write+0x14/0x20 [ 46.903048][ T446] ? mutex_unlock+0x1d/0x40 [ 46.907555][ T446] ? get_device_parent+0x2c5/0x430 [ 46.912646][ T446] device_add+0x3ca/0xbd0 [ 46.916949][ T446] __device_add_disk+0x7c1/0x11b0 [ 46.921948][ T446] ? device_add_disk+0x40/0x40 [ 46.927478][ T446] ? hrtimer_init+0x2e/0x130 [ 46.932059][ T446] ? vsprintf+0x40/0x40 [ 46.936189][ T446] ? device_initialize+0x1d9/0x3a0 [ 46.941273][ T446] device_add_disk+0x2a/0x40 [ 46.945852][ T446] loop_add+0x5cf/0x870 [ 46.950091][ T446] loop_control_ioctl+0x564/0x740 [ 46.955733][ T446] ? loop_remove+0xb0/0xb0 [ 46.960129][ T446] ? __fget_files+0x310/0x370 [ 46.964801][ T446] ? security_file_ioctl+0xb1/0xd0 [ 46.970335][ T446] ? loop_remove+0xb0/0xb0 [ 46.974744][ T446] __se_sys_ioctl+0x115/0x190 [ 46.979410][ T446] __x64_sys_ioctl+0x7b/0x90 [ 46.983992][ T446] do_syscall_64+0x34/0x70 [ 46.988405][ T446] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.994304][ T446] RIP: 0033:0x7ffb21a890e9 [ 46.998698][ T446] 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 [ 47.018520][ T446] RSP: 002b:00007ffb219ff168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.027008][ T446] RAX: ffffffffffffffda RBX: 00007ffb21b9bf60 RCX: 00007ffb21a890e9 [ 47.034965][ T446] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 47.042999][ T446] RBP: 00007ffb219ff1d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.050949][ T446] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.059017][ T446] R13: 00007ffe767ac2ef R14: 00007ffb219ff300 R15: 0000000000022000 [ 47.067446][ T446] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 47.074151][ T23] kauditd_printk_skb: 2 callbacks suppressed [ 47.074160][ T23] audit: type=1400 audit(1653587264.340:160): 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 [ 47.104713][ T23] audit: type=1400 audit(1653587264.340:161): 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 [ 47.130790][ T23] audit: type=1400 audit(1653587264.340:162): 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 [ 47.155540][ T448] FAULT_INJECTION: forcing a failure. [ 47.155540][ T448] name failslab, interval 1, probability 0, space 0, times 0 [ 47.169101][ T448] CPU: 1 PID: 448 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 47.181836][ T448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.192081][ T448] Call Trace: [ 47.195449][ T448] dump_stack_lvl+0x1e2/0x24b [ 47.200106][ T448] ? bfq_pos_tree_add_move+0x43e/0x43e [ 47.205536][ T448] dump_stack+0x15/0x17 [ 47.209849][ T448] should_fail+0x3c0/0x510 [ 47.214354][ T448] ? __kernfs_new_node+0x99/0x6e0 [ 47.219837][ T448] __should_failslab+0x9f/0xe0 [ 47.224864][ T448] should_failslab+0x9/0x20 [ 47.229346][ T448] __kmalloc_track_caller+0x5f/0x350 [ 47.234695][ T448] ? __kernel_text_address+0x9a/0x110 [ 47.240645][ T448] ? unwind_get_return_address+0x4c/0x90 [ 47.246253][ T448] kstrdup_const+0x55/0x90 [ 47.250730][ T448] __kernfs_new_node+0x99/0x6e0 [ 47.255732][ T448] ? stack_trace_save+0x12d/0x1f0 [ 47.260906][ T448] ? kernfs_new_node+0x170/0x170 [ 47.265821][ T448] ? stack_trace_snprint+0x100/0x100 [ 47.271343][ T448] ? dput+0x2ce/0x320 [ 47.275296][ T448] ? device_add+0xbe/0xbd0 [ 47.279685][ T448] kernfs_create_dir_ns+0x9b/0x230 [ 47.284774][ T448] sysfs_create_dir_ns+0x181/0x390 [ 47.289952][ T448] ? sysfs_warn_dup+0xa0/0xa0 [ 47.294694][ T448] kobject_add_internal+0x766/0xda0 [ 47.299877][ T448] kobject_add+0x14c/0x210 [ 47.304263][ T448] ? _raw_spin_lock+0xa3/0x1b0 [ 47.309150][ T448] ? kobject_init+0x1e0/0x1e0 [ 47.313820][ T448] ? __kasan_check_write+0x14/0x20 [ 47.318920][ T448] ? mutex_unlock+0x1d/0x40 [ 47.323417][ T448] ? get_device_parent+0x2c5/0x430 [ 47.328520][ T448] device_add+0x3ca/0xbd0 [ 47.332842][ T448] __device_add_disk+0x7c1/0x11b0 [ 47.337933][ T448] ? device_add_disk+0x40/0x40 [ 47.342762][ T448] ? hrtimer_init+0x2e/0x130 [ 47.347324][ T448] ? vsprintf+0x40/0x40 [ 47.351453][ T448] ? device_initialize+0x1d9/0x3a0 [ 47.356628][ T448] device_add_disk+0x2a/0x40 [ 47.361201][ T448] loop_add+0x5cf/0x870 [ 47.365484][ T448] loop_control_ioctl+0x564/0x740 [ 47.370517][ T448] ? loop_remove+0xb0/0xb0 [ 47.375117][ T448] ? __fget_files+0x310/0x370 [ 47.379786][ T448] ? security_file_ioctl+0xb1/0xd0 [ 47.384989][ T448] ? loop_remove+0xb0/0xb0 [ 47.389471][ T448] __se_sys_ioctl+0x115/0x190 [ 47.394126][ T448] __x64_sys_ioctl+0x7b/0x90 [ 47.398720][ T448] do_syscall_64+0x34/0x70 [ 47.403129][ T448] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.409015][ T448] RIP: 0033:0x7ffb21a890e9 [ 47.413678][ T448] 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 [ 47.433269][ T448] RSP: 002b:00007ffb219ff168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.441670][ T448] RAX: ffffffffffffffda RBX: 00007ffb21b9bf60 RCX: 00007ffb21a890e9 [ 47.449879][ T448] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 47.457839][ T448] RBP: 00007ffb219ff1d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.465887][ T448] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.474096][ T448] R13: 00007ffe767ac2ef R14: 00007ffb219ff300 R15: 0000000000022000 [ 47.482169][ T448] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 47.495819][ T450] FAULT_INJECTION: forcing a failure. [ 47.495819][ T450] name failslab, interval 1, probability 0, space 0, times 0 [ 47.508636][ T450] CPU: 0 PID: 450 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 47.521134][ T450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.531967][ T450] Call Trace: [ 47.535231][ T450] dump_stack_lvl+0x1e2/0x24b [ 47.539972][ T450] ? panic+0x7d7/0x7d7 [ 47.544019][ T450] ? bfq_pos_tree_add_move+0x43e/0x43e [ 47.549456][ T450] ? memcpy+0x56/0x70 [ 47.553512][ T450] dump_stack+0x15/0x17 [ 47.557638][ T450] should_fail+0x3c0/0x510 [ 47.562038][ T450] ? device_add+0xbe/0xbd0 [ 47.566444][ T450] __should_failslab+0x9f/0xe0 [ 47.571361][ T450] should_failslab+0x9/0x20 [ 47.575967][ T450] kmem_cache_alloc_trace+0x3a/0x330 [ 47.581242][ T450] ? __kasan_check_write+0x14/0x20 [ 47.586380][ T450] device_add+0xbe/0xbd0 [ 47.590741][ T450] __device_add_disk+0x7c1/0x11b0 [ 47.595763][ T450] ? device_add_disk+0x40/0x40 [ 47.600529][ T450] ? hrtimer_init+0x2e/0x130 [ 47.605394][ T450] ? vsprintf+0x40/0x40 [ 47.609674][ T450] ? device_initialize+0x1d9/0x3a0 [ 47.614783][ T450] device_add_disk+0x2a/0x40 [ 47.619658][ T450] loop_add+0x5cf/0x870 [ 47.623996][ T450] loop_control_ioctl+0x564/0x740 [ 47.629040][ T450] ? loop_remove+0xb0/0xb0 [ 47.633436][ T450] ? __fget_files+0x310/0x370 [ 47.638268][ T450] ? security_file_ioctl+0xb1/0xd0 [ 47.643353][ T450] ? loop_remove+0xb0/0xb0 [ 47.648870][ T450] __se_sys_ioctl+0x115/0x190 [ 47.653533][ T450] __x64_sys_ioctl+0x7b/0x90 [ 47.658187][ T450] do_syscall_64+0x34/0x70 [ 47.662713][ T450] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.668769][ T450] RIP: 0033:0x7ffb21a890e9 [ 47.673169][ T450] 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 [ 47.693167][ T450] RSP: 002b:00007ffb219ff168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.701971][ T450] RAX: ffffffffffffffda RBX: 00007ffb21b9bf60 RCX: 00007ffb21a890e9 [ 47.710041][ T450] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 47.717995][ T450] RBP: 00007ffb219ff1d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.726070][ T450] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.734050][ T450] R13: 00007ffe767ac2ef R14: 00007ffb219ff300 R15: 0000000000022000 [ 47.748443][ T452] FAULT_INJECTION: forcing a failure. [ 47.748443][ T452] name failslab, interval 1, probability 0, space 0, times 0 [ 47.761249][ T452] CPU: 1 PID: 452 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 47.773387][ T452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.783441][ T452] Call Trace: [ 47.786728][ T452] dump_stack_lvl+0x1e2/0x24b [ 47.791501][ T452] ? bfq_pos_tree_add_move+0x43e/0x43e [ 47.796944][ T452] dump_stack+0x15/0x17 [ 47.801078][ T452] should_fail+0x3c0/0x510 [ 47.805467][ T452] ? __kernfs_new_node+0x99/0x6e0 [ 47.810479][ T452] __should_failslab+0x9f/0xe0 [ 47.815437][ T452] should_failslab+0x9/0x20 [ 47.819935][ T452] __kmalloc_track_caller+0x5f/0x350 [ 47.825203][ T452] ? __kernel_text_address+0x9a/0x110 [ 47.830560][ T452] ? unwind_get_return_address+0x4c/0x90 [ 47.836198][ T452] kstrdup_const+0x55/0x90 [ 47.840607][ T452] __kernfs_new_node+0x99/0x6e0 [ 47.845459][ T452] ? stack_trace_save+0x12d/0x1f0 [ 47.850463][ T452] ? kernfs_new_node+0x170/0x170 [ 47.855512][ T452] ? stack_trace_snprint+0x100/0x100 [ 47.860956][ T452] ? dput+0x2ce/0x320 [ 47.864928][ T452] ? device_add+0xbe/0xbd0 [ 47.869343][ T452] kernfs_create_dir_ns+0x9b/0x230 [ 47.874621][ T452] sysfs_create_dir_ns+0x181/0x390 [ 47.879724][ T452] ? sysfs_warn_dup+0xa0/0xa0 [ 47.884479][ T452] kobject_add_internal+0x766/0xda0 [ 47.889658][ T452] kobject_add+0x14c/0x210 [ 47.894071][ T452] ? _raw_spin_lock+0xa3/0x1b0 [ 47.898822][ T452] ? kobject_init+0x1e0/0x1e0 [ 47.903503][ T452] ? __kasan_check_write+0x14/0x20 [ 47.908609][ T452] ? mutex_unlock+0x1d/0x40 [ 47.913093][ T452] ? get_device_parent+0x2c5/0x430 [ 47.918291][ T452] device_add+0x3ca/0xbd0 [ 47.922822][ T452] __device_add_disk+0x7c1/0x11b0 [ 47.927830][ T452] ? device_add_disk+0x40/0x40 [ 47.932571][ T452] ? hrtimer_init+0x2e/0x130 [ 47.937246][ T452] ? vsprintf+0x40/0x40 [ 47.941382][ T452] ? device_initialize+0x1d9/0x3a0 [ 47.946488][ T452] device_add_disk+0x2a/0x40 [ 47.951065][ T452] loop_add+0x5cf/0x870 [ 47.955211][ T452] loop_control_ioctl+0x564/0x740 [ 47.960206][ T452] ? loop_remove+0xb0/0xb0 [ 47.964605][ T452] ? __fget_files+0x310/0x370 [ 47.969267][ T452] ? security_file_ioctl+0xb1/0xd0 [ 47.974395][ T452] ? loop_remove+0xb0/0xb0 [ 47.978803][ T452] __se_sys_ioctl+0x115/0x190 [ 47.983476][ T452] __x64_sys_ioctl+0x7b/0x90 [ 47.988133][ T452] do_syscall_64+0x34/0x70 [ 47.992538][ T452] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.998497][ T452] RIP: 0033:0x7ffb21a890e9 [ 48.002898][ T452] 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 [ 48.022846][ T452] RSP: 002b:00007ffb219ff168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 48.031334][ T452] RAX: ffffffffffffffda RBX: 00007ffb21b9bf60 RCX: 00007ffb21a890e9 [ 48.039285][ T452] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 48.047289][ T452] RBP: 00007ffb219ff1d0 R08: 0000000000000000 R09: 0000000000000000 [ 48.055425][ T452] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 48.063387][ T452] R13: 00007ffe767ac2ef R14: 00007ffb219ff300 R15: 0000000000022000 [ 48.071431][ T452] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 48.084303][ T454] FAULT_INJECTION: forcing a failure. [ 48.084303][ T454] name failslab, interval 1, probability 0, space 0, times 0 [ 48.096963][ T454] CPU: 1 PID: 454 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 48.109103][ T454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.119142][ T454] Call Trace: [ 48.122415][ T454] dump_stack_lvl+0x1e2/0x24b [ 48.127093][ T454] ? bfq_pos_tree_add_move+0x43e/0x43e [ 48.132545][ T454] dump_stack+0x15/0x17 [ 48.137292][ T454] should_fail+0x3c0/0x510 [ 48.141791][ T454] ? __kernfs_new_node+0x99/0x6e0 [ 48.146881][ T454] __should_failslab+0x9f/0xe0 [ 48.151617][ T454] should_failslab+0x9/0x20 [ 48.156095][ T454] __kmalloc_track_caller+0x5f/0x350 [ 48.161349][ T454] ? __kernel_text_address+0x9a/0x110 [ 48.166698][ T454] ? unwind_get_return_address+0x4c/0x90 [ 48.172299][ T454] kstrdup_const+0x55/0x90 [ 48.176711][ T454] __kernfs_new_node+0x99/0x6e0 [ 48.181557][ T454] ? stack_trace_save+0x12d/0x1f0 [ 48.186576][ T454] ? kernfs_new_node+0x170/0x170 [ 48.191586][ T454] ? stack_trace_snprint+0x100/0x100 [ 48.196966][ T454] ? dput+0x2ce/0x320 [ 48.201024][ T454] ? device_add+0xbe/0xbd0 [ 48.205410][ T454] kernfs_create_dir_ns+0x9b/0x230 [ 48.210495][ T454] sysfs_create_dir_ns+0x181/0x390 [ 48.215664][ T454] ? sysfs_warn_dup+0xa0/0xa0 [ 48.220326][ T454] kobject_add_internal+0x766/0xda0 [ 48.225752][ T454] kobject_add+0x14c/0x210 [ 48.230490][ T454] ? _raw_spin_lock+0xa3/0x1b0 [ 48.235449][ T454] ? kobject_init+0x1e0/0x1e0 [ 48.240300][ T454] ? __kasan_check_write+0x14/0x20 [ 48.245663][ T454] ? mutex_unlock+0x1d/0x40 [ 48.250153][ T454] ? get_device_parent+0x2c5/0x430 [ 48.255333][ T454] device_add+0x3ca/0xbd0 [ 48.259724][ T454] __device_add_disk+0x7c1/0x11b0 [ 48.264732][ T454] ? device_add_disk+0x40/0x40 [ 48.269486][ T454] ? hrtimer_init+0x2e/0x130 [ 48.274084][ T454] ? vsprintf+0x40/0x40 [ 48.278243][ T454] ? device_initialize+0x1d9/0x3a0 [ 48.283427][ T454] device_add_disk+0x2a/0x40 [ 48.287989][ T454] loop_add+0x5cf/0x870 [ 48.292136][ T454] loop_control_ioctl+0x564/0x740 [ 48.297320][ T454] ? loop_remove+0xb0/0xb0 [ 48.302064][ T454] ? __fget_files+0x310/0x370 [ 48.306721][ T454] ? security_file_ioctl+0xb1/0xd0 [ 48.312008][ T454] ? loop_remove+0xb0/0xb0 [ 48.316401][ T454] __se_sys_ioctl+0x115/0x190 [ 48.321070][ T454] __x64_sys_ioctl+0x7b/0x90 [ 48.325650][ T454] do_syscall_64+0x34/0x70 [ 48.330294][ T454] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.336427][ T454] RIP: 0033:0x7ffb21a890e9 [ 48.340826][ T454] 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 [ 48.360413][ T454] RSP: 002b:00007ffb219ff168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 48.368808][ T454] RAX: ffffffffffffffda RBX: 00007ffb21b9bf60 RCX: 00007ffb21a890e9 [ 48.376867][ T454] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 48.384914][ T454] RBP: 00007ffb219ff1d0 R08: 0000000000000000 R09: 0000000000000000 [ 48.393060][ T454] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 48.401024][ T454] R13: 00007ffe767ac2ef R14: 00007ffb219ff300 R15: 0000000000022000 [ 48.410114][ T454] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 48.423897][ T456] FAULT_INJECTION: forcing a failure. [ 48.423897][ T456] name failslab, interval 1, probability 0, space 0, times 0 [ 48.436819][ T456] CPU: 0 PID: 456 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 48.449300][ T456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.459335][ T456] Call Trace: [ 48.462611][ T456] dump_stack_lvl+0x1e2/0x24b [ 48.467263][ T456] ? bfq_pos_tree_add_move+0x43e/0x43e [ 48.472803][ T456] dump_stack+0x15/0x17 [ 48.476942][ T456] should_fail+0x3c0/0x510 [ 48.481364][ T456] ? __kernfs_new_node+0x99/0x6e0 [ 48.486370][ T456] __should_failslab+0x9f/0xe0 [ 48.491112][ T456] should_failslab+0x9/0x20 [ 48.496048][ T456] __kmalloc_track_caller+0x5f/0x350 [ 48.501306][ T456] ? __kernel_text_address+0x9a/0x110 [ 48.506673][ T456] ? unwind_get_return_address+0x4c/0x90 [ 48.512385][ T456] kstrdup_const+0x55/0x90 [ 48.517040][ T456] __kernfs_new_node+0x99/0x6e0 [ 48.521894][ T456] ? stack_trace_save+0x12d/0x1f0 [ 48.527002][ T456] ? kernfs_new_node+0x170/0x170 [ 48.532300][ T456] ? stack_trace_snprint+0x100/0x100 [ 48.537699][ T456] ? dput+0x2ce/0x320 [ 48.541785][ T456] ? device_add+0xbe/0xbd0 [ 48.546284][ T456] kernfs_create_dir_ns+0x9b/0x230 [ 48.551370][ T456] sysfs_create_dir_ns+0x181/0x390 [ 48.556453][ T456] ? sysfs_warn_dup+0xa0/0xa0 [ 48.561104][ T456] kobject_add_internal+0x766/0xda0 [ 48.566366][ T456] kobject_add+0x14c/0x210 [ 48.570760][ T456] ? _raw_spin_lock+0xa3/0x1b0 [ 48.575508][ T456] ? kobject_init+0x1e0/0x1e0 [ 48.580168][ T456] ? __kasan_check_write+0x14/0x20 [ 48.585446][ T456] ? mutex_unlock+0x1d/0x40 [ 48.590011][ T456] ? get_device_parent+0x2c5/0x430 [ 48.595186][ T456] device_add+0x3ca/0xbd0 [ 48.599688][ T456] __device_add_disk+0x7c1/0x11b0 [ 48.604708][ T456] ? device_add_disk+0x40/0x40 [ 48.609454][ T456] ? hrtimer_init+0x2e/0x130 [ 48.614133][ T456] ? vsprintf+0x40/0x40 [ 48.618264][ T456] ? device_initialize+0x1d9/0x3a0 [ 48.623357][ T456] device_add_disk+0x2a/0x40 [ 48.627927][ T456] loop_add+0x5cf/0x870 [ 48.632313][ T456] loop_control_ioctl+0x564/0x740 [ 48.637490][ T456] ? loop_remove+0xb0/0xb0 [ 48.642018][ T456] ? __fget_files+0x310/0x370 [ 48.646675][ T456] ? security_file_ioctl+0xb1/0xd0 [ 48.651845][ T456] ? loop_remove+0xb0/0xb0 [ 48.656259][ T456] __se_sys_ioctl+0x115/0x190 [ 48.660918][ T456] __x64_sys_ioctl+0x7b/0x90 [ 48.665656][ T456] do_syscall_64+0x34/0x70 [ 48.670143][ T456] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.676028][ T456] RIP: 0033:0x7ffb21a890e9 [ 48.680421][ T456] 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 [ 48.700678][ T456] RSP: 002b:00007ffb219ff168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 48.709330][ T456] RAX: ffffffffffffffda RBX: 00007ffb21b9bf60 RCX: 00007ffb21a890e9 [ 48.717276][ T456] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 48.725238][ T456] RBP: 00007ffb219ff1d0 R08: 0000000000000000 R09: 0000000000000000 [ 48.733183][ T456] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 48.741125][ T456] R13: 00007ffe767ac2ef R14: 00007ffb219ff300 R15: 0000000000022000 [ 48.749859][ T456] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 48.762545][ T458] FAULT_INJECTION: forcing a failure. [ 48.762545][ T458] name failslab, interval 1, probability 0, space 0, times 0 [ 48.775494][ T458] CPU: 1 PID: 458 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 48.787626][ T458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.797665][ T458] Call Trace: [ 48.801052][ T458] dump_stack_lvl+0x1e2/0x24b [ 48.805713][ T458] ? panic+0x7d7/0x7d7 [ 48.809770][ T458] ? bfq_pos_tree_add_move+0x43e/0x43e [ 48.815295][ T458] ? memcpy+0x56/0x70 [ 48.819532][ T458] dump_stack+0x15/0x17 [ 48.823669][ T458] should_fail+0x3c0/0x510 [ 48.828070][ T458] ? device_add+0xbe/0xbd0 [ 48.832464][ T458] __should_failslab+0x9f/0xe0 [ 48.837233][ T458] should_failslab+0x9/0x20 [ 48.841813][ T458] kmem_cache_alloc_trace+0x3a/0x330 [ 48.847288][ T458] ? __kasan_check_write+0x14/0x20 [ 48.852476][ T458] device_add+0xbe/0xbd0 [ 48.856696][ T458] __device_add_disk+0x7c1/0x11b0 [ 48.861998][ T458] ? device_add_disk+0x40/0x40 [ 48.866759][ T458] ? hrtimer_init+0x2e/0x130 [ 48.871332][ T458] ? vsprintf+0x40/0x40 [ 48.875801][ T458] ? device_initialize+0x1d9/0x3a0 [ 48.880906][ T458] device_add_disk+0x2a/0x40 [ 48.885707][ T458] loop_add+0x5cf/0x870 [ 48.889837][ T458] loop_control_ioctl+0x564/0x740 [ 48.894830][ T458] ? loop_remove+0xb0/0xb0 [ 48.899222][ T458] ? __fget_files+0x310/0x370 [ 48.903880][ T458] ? security_file_ioctl+0xb1/0xd0 [ 48.908966][ T458] ? loop_remove+0xb0/0xb0 [ 48.913357][ T458] __se_sys_ioctl+0x115/0x190 [ 48.918091][ T458] __x64_sys_ioctl+0x7b/0x90 [ 48.922664][ T458] do_syscall_64+0x34/0x70 [ 48.927174][ T458] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.933047][ T458] RIP: 0033:0x7ffb21a890e9 [ 48.937478][ T458] 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 [ 48.957848][ T458] RSP: 002b:00007ffb219ff168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 48.966589][ T458] RAX: ffffffffffffffda RBX: 00007ffb21b9bf60 RCX: 00007ffb21a890e9 [ 48.974658][ T458] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 48.982679][ T458] RBP: 00007ffb219ff1d0 R08: 0000000000000000 R09: 0000000000000000 [ 48.990632][ T458] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 48.998599][ T458] R13: 00007ffe767ac2ef R14: 00007ffb219ff300 R15: 0000000000022000 [ 49.011593][ T460] FAULT_INJECTION: forcing a failure. [ 49.011593][ T460] name failslab, interval 1, probability 0, space 0, times 0 [ 49.024586][ T460] CPU: 1 PID: 460 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 49.036879][ T460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.047280][ T460] Call Trace: [ 49.050556][ T460] dump_stack_lvl+0x1e2/0x24b [ 49.055311][ T460] ? panic+0x7d7/0x7d7 [ 49.059696][ T460] ? bfq_pos_tree_add_move+0x43e/0x43e [ 49.065128][ T460] ? memcpy+0x56/0x70 [ 49.069107][ T460] dump_stack+0x15/0x17 [ 49.073406][ T460] should_fail+0x3c0/0x510 [ 49.077804][ T460] ? device_add+0xbe/0xbd0 [ 49.082189][ T460] __should_failslab+0x9f/0xe0 [ 49.086937][ T460] should_failslab+0x9/0x20 [ 49.091429][ T460] kmem_cache_alloc_trace+0x3a/0x330 [ 49.096690][ T460] ? __kasan_check_write+0x14/0x20 [ 49.101865][ T460] device_add+0xbe/0xbd0 [ 49.107084][ T460] __device_add_disk+0x7c1/0x11b0 [ 49.112345][ T460] ? device_add_disk+0x40/0x40 [ 49.117210][ T460] ? hrtimer_init+0x2e/0x130 [ 49.121943][ T460] ? vsprintf+0x40/0x40 [ 49.126157][ T460] ? device_initialize+0x1d9/0x3a0 [ 49.131239][ T460] device_add_disk+0x2a/0x40 [ 49.135982][ T460] loop_add+0x5cf/0x870 [ 49.140371][ T460] loop_control_ioctl+0x564/0x740 [ 49.146177][ T460] ? loop_remove+0xb0/0xb0 [ 49.150661][ T460] ? __fget_files+0x310/0x370 [ 49.155443][ T460] ? security_file_ioctl+0xb1/0xd0 [ 49.160624][ T460] ? loop_remove+0xb0/0xb0 [ 49.165024][ T460] __se_sys_ioctl+0x115/0x190 [ 49.169764][ T460] __x64_sys_ioctl+0x7b/0x90 [ 49.174599][ T460] do_syscall_64+0x34/0x70 [ 49.179002][ T460] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.184895][ T460] RIP: 0033:0x7ffb21a890e9 [ 49.189293][ T460] 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 [ 49.209063][ T460] RSP: 002b:00007ffb219ff168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 49.217471][ T460] RAX: ffffffffffffffda RBX: 00007ffb21b9bf60 RCX: 00007ffb21a890e9 [ 49.225687][ T460] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 49.233642][ T460] RBP: 00007ffb219ff1d0 R08: 0000000000000000 R09: 0000000000000000 [ 49.241594][ T460] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 49.252682][ T460] R13: 00007ffe767ac2ef R14: 00007ffb219ff300 R15: 0000000000022000 [ 49.267409][ T462] FAULT_INJECTION: forcing a failure. [ 49.267409][ T462] name failslab, interval 1, probability 0, space 0, times 0 [ 49.280361][ T462] CPU: 1 PID: 462 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 49.293756][ T462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.304397][ T462] Call Trace: [ 49.307666][ T462] dump_stack_lvl+0x1e2/0x24b [ 49.312571][ T462] ? panic+0x7d7/0x7d7 [ 49.316620][ T462] ? bfq_pos_tree_add_move+0x43e/0x43e [ 49.322453][ T462] ? __kasan_kmalloc+0x9/0x10 [ 49.327215][ T462] ? kobj_map+0x72/0x6f0 [ 49.331985][ T462] ? __device_add_disk+0x6e0/0x11b0 [ 49.337451][ T462] ? device_add_disk+0x2a/0x40 [ 49.342568][ T462] ? loop_control_ioctl+0x564/0x740 [ 49.347782][ T462] ? __se_sys_ioctl+0x115/0x190 [ 49.352962][ T462] ? __x64_sys_ioctl+0x7b/0x90 [ 49.357932][ T462] dump_stack+0x15/0x17 [ 49.362311][ T462] should_fail+0x3c0/0x510 [ 49.367010][ T462] ? kvasprintf_const+0x139/0x180 [ 49.372552][ T462] __should_failslab+0x9f/0xe0 [ 49.377386][ T462] should_failslab+0x9/0x20 [ 49.382732][ T462] __kmalloc_track_caller+0x5f/0x350 [ 49.388013][ T462] kstrdup_const+0x55/0x90 [ 49.392488][ T462] kvasprintf_const+0x139/0x180 [ 49.397673][ T462] kobject_set_name_vargs+0x61/0x120 [ 49.402936][ T462] dev_set_name+0xd1/0x120 [ 49.407604][ T462] ? __kmalloc+0x1f7/0x360 [ 49.412177][ T462] ? get_device+0x30/0x30 [ 49.416509][ T462] ? kobj_map+0x6ad/0x6f0 [ 49.420816][ T462] __device_add_disk+0x733/0x11b0 [ 49.426573][ T462] ? device_add_disk+0x40/0x40 [ 49.431325][ T462] ? hrtimer_init+0x2e/0x130 [ 49.435906][ T462] ? vsprintf+0x40/0x40 [ 49.440172][ T462] ? device_initialize+0x1d9/0x3a0 [ 49.445303][ T462] device_add_disk+0x2a/0x40 [ 49.449876][ T462] loop_add+0x5cf/0x870 [ 49.454024][ T462] loop_control_ioctl+0x564/0x740 [ 49.459039][ T462] ? loop_remove+0xb0/0xb0 [ 49.463427][ T462] ? __fget_files+0x310/0x370 [ 49.468083][ T462] ? security_file_ioctl+0xb1/0xd0 [ 49.473173][ T462] ? loop_remove+0xb0/0xb0 [ 49.477657][ T462] __se_sys_ioctl+0x115/0x190 [ 49.482334][ T462] __x64_sys_ioctl+0x7b/0x90 [ 49.486914][ T462] do_syscall_64+0x34/0x70 [ 49.491361][ T462] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.497248][ T462] RIP: 0033:0x7ffb21a890e9 [ 49.501644][ T462] 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 [ 49.521242][ T462] RSP: 002b:00007ffb219ff168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 49.529638][ T462] RAX: ffffffffffffffda RBX: 00007ffb21b9bf60 RCX: 00007ffb21a890e9 [ 49.537602][ T462] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 49.545557][ T462] RBP: 00007ffb219ff1d0 R08: 0000000000000000 R09: 0000000000000000 [ 49.553609][ T462] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 49.561609][ T462] R13: 00007ffe767ac2ef R14: 00007ffb219ff300 R15: 0000000000022000 [ 49.576195][ T464] FAULT_INJECTION: forcing a failure. [ 49.576195][ T464] name failslab, interval 1, probability 0, space 0, times 0 [ 49.589020][ T464] CPU: 0 PID: 464 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 49.601246][ T464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.611293][ T464] Call Trace: [ 49.614573][ T464] dump_stack_lvl+0x1e2/0x24b [ 49.619249][ T464] ? bfq_pos_tree_add_move+0x43e/0x43e [ 49.624835][ T464] dump_stack+0x15/0x17 [ 49.629076][ T464] should_fail+0x3c0/0x510 [ 49.633581][ T464] ? __kernfs_new_node+0x99/0x6e0 [ 49.638769][ T464] __should_failslab+0x9f/0xe0 [ 49.643513][ T464] should_failslab+0x9/0x20 [ 49.647987][ T464] __kmalloc_track_caller+0x5f/0x350 [ 49.653239][ T464] ? __kernel_text_address+0x9a/0x110 [ 49.658583][ T464] ? unwind_get_return_address+0x4c/0x90 [ 49.664322][ T464] kstrdup_const+0x55/0x90 [ 49.668910][ T464] __kernfs_new_node+0x99/0x6e0 [ 49.673758][ T464] ? stack_trace_save+0x12d/0x1f0 [ 49.678776][ T464] ? kernfs_new_node+0x170/0x170 [ 49.683696][ T464] ? stack_trace_snprint+0x100/0x100 [ 49.688958][ T464] ? dput+0x2ce/0x320 [ 49.692928][ T464] ? device_add+0xbe/0xbd0 [ 49.697337][ T464] kernfs_create_dir_ns+0x9b/0x230 [ 49.702452][ T464] sysfs_create_dir_ns+0x181/0x390 [ 49.707553][ T464] ? sysfs_warn_dup+0xa0/0xa0 [ 49.712226][ T464] kobject_add_internal+0x766/0xda0 [ 49.717428][ T464] kobject_add+0x14c/0x210 [ 49.721822][ T464] ? _raw_spin_lock+0xa3/0x1b0 [ 49.726568][ T464] ? kobject_init+0x1e0/0x1e0 [ 49.731215][ T464] ? __kasan_check_write+0x14/0x20 [ 49.736297][ T464] ? mutex_unlock+0x1d/0x40 [ 49.740770][ T464] ? get_device_parent+0x2c5/0x430 [ 49.745850][ T464] device_add+0x3ca/0xbd0 [ 49.750157][ T464] __device_add_disk+0x7c1/0x11b0 [ 49.755150][ T464] ? device_add_disk+0x40/0x40 [ 49.759881][ T464] ? hrtimer_init+0x2e/0x130 [ 49.764442][ T464] ? vsprintf+0x40/0x40 [ 49.768566][ T464] ? device_initialize+0x1d9/0x3a0 [ 49.773656][ T464] device_add_disk+0x2a/0x40 [ 49.778218][ T464] loop_add+0x5cf/0x870 [ 49.782344][ T464] loop_control_ioctl+0x564/0x740 [ 49.787340][ T464] ? loop_remove+0xb0/0xb0 [ 49.791871][ T464] ? __fget_files+0x310/0x370 [ 49.796529][ T464] ? security_file_ioctl+0xb1/0xd0 [ 49.801614][ T464] ? loop_remove+0xb0/0xb0 [ 49.806023][ T464] __se_sys_ioctl+0x115/0x190 [ 49.810685][ T464] __x64_sys_ioctl+0x7b/0x90 [ 49.815261][ T464] do_syscall_64+0x34/0x70 [ 49.819670][ T464] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.825541][ T464] RIP: 0033:0x7ffb21a890e9 [ 49.829930][ T464] 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 [ 49.849514][ T464] RSP: 002b:00007ffb219ff168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 49.857909][ T464] RAX: ffffffffffffffda RBX: 00007ffb21b9bf60 RCX: 00007ffb21a890e9 [ 49.865866][ T464] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 49.873832][ T464] RBP: 00007ffb219ff1d0 R08: 0000000000000000 R09: 0000000000000000 [ 49.881916][ T464] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 49.889877][ T464] R13: 00007ffe767ac2ef R14: 00007ffb219ff300 R15: 0000000000022000 [ 49.899017][ T464] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 49.914804][ T467] FAULT_INJECTION: forcing a failure. [ 49.914804][ T467] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 49.928216][ T467] CPU: 0 PID: 467 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 49.940558][ T467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.950695][ T467] Call Trace: [ 49.953961][ T467] dump_stack_lvl+0x1e2/0x24b [ 49.958612][ T467] ? bfq_pos_tree_add_move+0x43e/0x43e [ 49.964137][ T467] dump_stack+0x15/0x17 [ 49.968284][ T467] should_fail+0x3c0/0x510 [ 49.972778][ T467] should_fail_alloc_page+0x50/0x60 [ 49.978738][ T467] __alloc_pages_nodemask+0x1c0/0x890 [ 49.984195][ T467] ? loop_add+0x5cf/0x870 [ 49.988693][ T467] ? loop_control_ioctl+0x564/0x740 [ 49.993979][ T467] ? __se_sys_ioctl+0x115/0x190 [ 49.998804][ T467] ? gfp_pfmemalloc_allowed+0x120/0x120 [ 50.004337][ T467] ? __kasan_check_write+0x14/0x20 [ 50.009418][ T467] ? lockref_get+0x1b3/0x2a0 [ 50.014062][ T467] ? __kasan_check_write+0x14/0x20 [ 50.019140][ T467] __get_free_pages+0xe/0x30 [ 50.023717][ T467] selinux_genfs_get_sid+0x56/0x250 [ 50.028886][ T467] inode_doinit_with_dentry+0x858/0x1030 [ 50.034496][ T467] ? sb_finish_set_opts+0x7f0/0x7f0 [ 50.039669][ T467] ? current_time+0x1c4/0x310 [ 50.044316][ T467] selinux_d_instantiate+0x27/0x40 [ 50.049513][ T467] security_d_instantiate+0xa5/0x100 [ 50.054786][ T467] d_instantiate+0x55/0x90 [ 50.059405][ T467] __debugfs_create_file+0x2d7/0x4a0 [ 50.064679][ T467] ? up_write+0x19/0xd0 [ 50.068837][ T467] debugfs_create_file+0x4a/0x60 [ 50.074120][ T467] bdi_register_va+0x2ab/0x600 [ 50.078876][ T467] bdi_register+0xd1/0x120 [ 50.083285][ T467] ? __device_add_disk+0x585/0x11b0 [ 50.088457][ T467] ? bdi_register_va+0x600/0x600 [ 50.093372][ T467] ? vsnprintf+0x1bfd/0x1cd0 [ 50.097933][ T467] ? __kasan_check_read+0x11/0x20 [ 50.103064][ T467] ? blk_alloc_devt+0xd4/0x320 [ 50.107904][ T467] __device_add_disk+0x61c/0x11b0 [ 50.113691][ T467] ? device_add_disk+0x40/0x40 [ 50.118442][ T467] ? hrtimer_init+0x2e/0x130 [ 50.123010][ T467] ? vsprintf+0x40/0x40 [ 50.127208][ T467] ? device_initialize+0x1d9/0x3a0 [ 50.132309][ T467] device_add_disk+0x2a/0x40 [ 50.137069][ T467] loop_add+0x5cf/0x870 [ 50.141209][ T467] loop_control_ioctl+0x564/0x740 [ 50.146224][ T467] ? loop_remove+0xb0/0xb0 [ 50.150617][ T467] ? __fget_files+0x310/0x370 [ 50.155289][ T467] ? security_file_ioctl+0xb1/0xd0 [ 50.160400][ T467] ? loop_remove+0xb0/0xb0 [ 50.164816][ T467] __se_sys_ioctl+0x115/0x190 [ 50.169564][ T467] __x64_sys_ioctl+0x7b/0x90 [ 50.174135][ T467] do_syscall_64+0x34/0x70 [ 50.178799][ T467] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.184760][ T467] RIP: 0033:0x7ffb21a890e9 [ 50.189167][ 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 [ 50.208842][ T467] RSP: 002b:00007ffb219ff168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 50.217291][ T467] RAX: ffffffffffffffda RBX: 00007ffb21b9bf60 RCX: 00007ffb21a890e9 [ 50.225721][ T467] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 50.233669][ T467] RBP: 00007ffb219ff1d0 R08: 0000000000000000 R09: 0000000000000000 [ 50.241911][ T467] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 50.249882][ T467] R13: 00007ffe767ac2ef R14: 00007ffb219ff300 R15: 0000000000022000 [ 50.315911][ T469] FAULT_INJECTION: forcing a failure. [ 50.315911][ T469] name failslab, interval 1, probability 0, space 0, times 0 [ 50.328618][ T469] CPU: 0 PID: 469 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 50.341218][ T469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.351250][ T469] Call Trace: [ 50.354533][ T469] dump_stack_lvl+0x1e2/0x24b [ 50.359204][ T469] ? panic+0x7d7/0x7d7 [ 50.363253][ T469] ? bfq_pos_tree_add_move+0x43e/0x43e [ 50.368699][ T469] dump_stack+0x15/0x17 [ 50.372840][ T469] should_fail+0x3c0/0x510 [ 50.377317][ T469] __should_failslab+0x9f/0xe0 [ 50.382051][ T469] should_failslab+0x9/0x20 [ 50.386641][ T469] kmem_cache_alloc+0x3f/0x300 [ 50.391396][ T469] ? __kernfs_new_node+0xdb/0x6e0 [ 50.396402][ T469] __kernfs_new_node+0xdb/0x6e0 [ 50.401507][ T469] ? mutex_unlock+0x1d/0x40 [ 50.405979][ T469] ? kernfs_new_node+0x170/0x170 [ 50.410909][ T469] ? kernfs_add_one+0x4c5/0x5e0 [ 50.415747][ T469] ? kernfs_create_dir_ns+0x1eb/0x230 [ 50.421100][ T469] kernfs_new_node+0x97/0x170 [ 50.425758][ T469] __kernfs_create_file+0x4a/0x270 [ 50.430931][ T469] sysfs_add_file_mode_ns+0x273/0x320 [ 50.436281][ T469] sysfs_create_file_ns+0x191/0x2a0 [ 50.441539][ T469] ? sysfs_add_file_mode_ns+0x320/0x320 [ 50.447063][ T469] ? __kasan_check_write+0x14/0x20 [ 50.452236][ T469] ? __up_read+0x16/0x100 [ 50.456562][ T469] device_create_file+0x110/0x1d0 [ 50.461565][ T469] device_add+0x496/0xbd0 [ 50.465879][ T469] __device_add_disk+0x7c1/0x11b0 [ 50.470878][ T469] ? device_add_disk+0x40/0x40 [ 50.475640][ T469] ? hrtimer_init+0x2e/0x130 [ 50.480300][ T469] ? vsprintf+0x40/0x40 [ 50.484519][ T469] ? device_initialize+0x1d9/0x3a0 [ 50.489611][ T469] device_add_disk+0x2a/0x40 [ 50.494271][ T469] loop_add+0x5cf/0x870 [ 50.498403][ T469] loop_control_ioctl+0x564/0x740 [ 50.503407][ T469] ? loop_remove+0xb0/0xb0 [ 50.507809][ T469] ? __fget_files+0x310/0x370 [ 50.512467][ T469] ? security_file_ioctl+0xb1/0xd0 [ 50.517756][ T469] ? loop_remove+0xb0/0xb0 [ 50.522153][ T469] __se_sys_ioctl+0x115/0x190 [ 50.526890][ T469] __x64_sys_ioctl+0x7b/0x90 [ 50.531453][ T469] do_syscall_64+0x34/0x70 [ 50.535930][ T469] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.541801][ T469] RIP: 0033:0x7ffb21a890e9 [ 50.546376][ 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 [ 50.567009][ T469] RSP: 002b:00007ffb219ff168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 50.575402][ T469] RAX: ffffffffffffffda RBX: 00007ffb21b9bf60 RCX: 00007ffb21a890e9 [ 50.583445][ T469] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 50.591487][ T469] RBP: 00007ffb219ff1d0 R08: 0000000000000000 R09: 0000000000000000 [ 50.599432][ T469] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 50.607723][ T469] R13: 00007ffe767ac2ef R14: 00007ffb219ff300 R15: 0000000000022000 [ 50.621897][ T471] FAULT_INJECTION: forcing a failure. [ 50.621897][ T471] name failslab, interval 1, probability 0, space 0, times 0 [ 50.634908][ T471] CPU: 0 PID: 471 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 50.647252][ T471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.657503][ T471] Call Trace: [ 50.660766][ T471] dump_stack_lvl+0x1e2/0x24b [ 50.666124][ T471] ? panic+0x7d7/0x7d7 [ 50.670260][ T471] ? bfq_pos_tree_add_move+0x43e/0x43e [ 50.676111][ T471] ? memcpy+0x56/0x70 [ 50.680083][ T471] dump_stack+0x15/0x17 [ 50.684235][ T471] should_fail+0x3c0/0x510 [ 50.688747][ T471] ? device_add+0xbe/0xbd0 [ 50.693555][ T471] __should_failslab+0x9f/0xe0 [ 50.698540][ T471] should_failslab+0x9/0x20 [ 50.703510][ T471] kmem_cache_alloc_trace+0x3a/0x330 [ 50.709205][ T471] ? __kasan_check_write+0x14/0x20 [ 50.714397][ T471] device_add+0xbe/0xbd0 [ 50.718647][ T471] __device_add_disk+0x7c1/0x11b0 [ 50.723756][ T471] ? device_add_disk+0x40/0x40 [ 50.728498][ T471] ? hrtimer_init+0x2e/0x130 [ 50.733107][ T471] ? vsprintf+0x40/0x40 [ 50.737349][ T471] ? device_initialize+0x1d9/0x3a0 [ 50.742526][ T471] device_add_disk+0x2a/0x40 [ 50.747306][ T471] loop_add+0x5cf/0x870 [ 50.751620][ T471] loop_control_ioctl+0x564/0x740 [ 50.756707][ T471] ? loop_remove+0xb0/0xb0 [ 50.761107][ T471] ? __fget_files+0x310/0x370 [ 50.765771][ T471] ? security_file_ioctl+0xb1/0xd0 [ 50.771138][ T471] ? loop_remove+0xb0/0xb0 [ 50.775983][ T471] __se_sys_ioctl+0x115/0x190 [ 50.780735][ T471] __x64_sys_ioctl+0x7b/0x90 [ 50.785315][ T471] do_syscall_64+0x34/0x70 [ 50.789895][ T471] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.795974][ T471] RIP: 0033:0x7ffb21a890e9 [ 50.800372][ 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 2022/05/26 17:47:48 executed programs: 29 [ 50.820052][ T471] RSP: 002b:00007ffb219ff168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 50.828642][ T471] RAX: ffffffffffffffda RBX: 00007ffb21b9bf60 RCX: 00007ffb21a890e9 [ 50.837080][ T471] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 50.845619][ T471] RBP: 00007ffb219ff1d0 R08: 0000000000000000 R09: 0000000000000000 [ 50.853864][ T471] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 50.861827][ T471] R13: 00007ffe767ac2ef R14: 00007ffb219ff300 R15: 0000000000022000 [ 50.876175][ T473] FAULT_INJECTION: forcing a failure. [ 50.876175][ T473] name failslab, interval 1, probability 0, space 0, times 0 [ 50.888893][ T473] CPU: 1 PID: 473 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 50.901103][ T473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.911236][ T473] Call Trace: [ 50.914590][ T473] dump_stack_lvl+0x1e2/0x24b [ 50.919242][ T473] ? bfq_pos_tree_add_move+0x43e/0x43e [ 50.924671][ T473] dump_stack+0x15/0x17 [ 50.928797][ T473] should_fail+0x3c0/0x510 [ 50.933192][ T473] ? __kernfs_new_node+0x99/0x6e0 [ 50.938194][ T473] __should_failslab+0x9f/0xe0 [ 50.942943][ T473] should_failslab+0x9/0x20 [ 50.947522][ T473] __kmalloc_track_caller+0x5f/0x350 [ 50.952806][ T473] ? __kernel_text_address+0x9a/0x110 [ 50.958251][ T473] ? unwind_get_return_address+0x4c/0x90 [ 50.963888][ T473] kstrdup_const+0x55/0x90 [ 50.968286][ T473] __kernfs_new_node+0x99/0x6e0 [ 50.973189][ T473] ? stack_trace_save+0x12d/0x1f0 [ 50.978214][ T473] ? kernfs_new_node+0x170/0x170 [ 50.983253][ T473] ? stack_trace_snprint+0x100/0x100 [ 50.988551][ T473] ? dput+0x2ce/0x320 [ 50.992600][ T473] ? device_add+0xbe/0xbd0 [ 50.997096][ T473] kernfs_create_dir_ns+0x9b/0x230 [ 51.002180][ T473] sysfs_create_dir_ns+0x181/0x390 [ 51.007296][ T473] ? sysfs_warn_dup+0xa0/0xa0 [ 51.011946][ T473] kobject_add_internal+0x766/0xda0 [ 51.017246][ T473] kobject_add+0x14c/0x210 [ 51.021647][ T473] ? _raw_spin_lock+0xa3/0x1b0 [ 51.026486][ T473] ? kobject_init+0x1e0/0x1e0 [ 51.031256][ T473] ? __kasan_check_write+0x14/0x20 [ 51.036361][ T473] ? mutex_unlock+0x1d/0x40 [ 51.040843][ T473] ? get_device_parent+0x2c5/0x430 [ 51.046478][ T473] device_add+0x3ca/0xbd0 [ 51.050796][ T473] __device_add_disk+0x7c1/0x11b0 [ 51.055813][ T473] ? device_add_disk+0x40/0x40 [ 51.060563][ T473] ? hrtimer_init+0x2e/0x130 [ 51.065212][ T473] ? vsprintf+0x40/0x40 [ 51.069351][ T473] ? device_initialize+0x1d9/0x3a0 [ 51.074625][ T473] device_add_disk+0x2a/0x40 [ 51.079326][ T473] loop_add+0x5cf/0x870 [ 51.083592][ T473] loop_control_ioctl+0x564/0x740 [ 51.088684][ T473] ? loop_remove+0xb0/0xb0 [ 51.093089][ T473] ? __fget_files+0x310/0x370 [ 51.097770][ T473] ? security_file_ioctl+0xb1/0xd0 [ 51.102974][ T473] ? loop_remove+0xb0/0xb0 [ 51.107382][ T473] __se_sys_ioctl+0x115/0x190 [ 51.112054][ T473] __x64_sys_ioctl+0x7b/0x90 [ 51.116620][ T473] do_syscall_64+0x34/0x70 [ 51.121027][ T473] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.126986][ T473] RIP: 0033:0x7ffb21a890e9 [ 51.131395][ 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 [ 51.150995][ T473] RSP: 002b:00007ffb219ff168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 51.159396][ T473] RAX: ffffffffffffffda RBX: 00007ffb21b9bf60 RCX: 00007ffb21a890e9 [ 51.167343][ T473] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 51.175644][ T473] RBP: 00007ffb219ff1d0 R08: 0000000000000000 R09: 0000000000000000 [ 51.183754][ T473] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 51.192774][ T473] R13: 00007ffe767ac2ef R14: 00007ffb219ff300 R15: 0000000000022000 [ 51.201180][ T473] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 51.217181][ T475] FAULT_INJECTION: forcing a failure. [ 51.217181][ T475] name failslab, interval 1, probability 0, space 0, times 0 [ 51.229881][ T475] CPU: 1 PID: 475 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 51.242006][ T475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.252226][ T475] Call Trace: [ 51.255519][ T475] dump_stack_lvl+0x1e2/0x24b [ 51.260178][ T475] ? bfq_pos_tree_add_move+0x43e/0x43e [ 51.265608][ T475] dump_stack+0x15/0x17 [ 51.269808][ T475] should_fail+0x3c0/0x510 [ 51.274239][ T475] ? __kernfs_new_node+0x99/0x6e0 [ 51.279402][ T475] __should_failslab+0x9f/0xe0 [ 51.284234][ T475] should_failslab+0x9/0x20 [ 51.288720][ T475] __kmalloc_track_caller+0x5f/0x350 [ 51.293977][ T475] ? __kernel_text_address+0x9a/0x110 [ 51.299409][ T475] ? unwind_get_return_address+0x4c/0x90 [ 51.305024][ T475] kstrdup_const+0x55/0x90 [ 51.309411][ T475] __kernfs_new_node+0x99/0x6e0 [ 51.314422][ T475] ? stack_trace_save+0x12d/0x1f0 [ 51.319509][ T475] ? kernfs_new_node+0x170/0x170 [ 51.324446][ T475] ? stack_trace_snprint+0x100/0x100 [ 51.329723][ T475] ? dput+0x2ce/0x320 [ 51.333695][ T475] ? device_add+0xbe/0xbd0 [ 51.338119][ T475] kernfs_create_dir_ns+0x9b/0x230 [ 51.343226][ T475] sysfs_create_dir_ns+0x181/0x390 [ 51.348317][ T475] ? sysfs_warn_dup+0xa0/0xa0 [ 51.352968][ T475] kobject_add_internal+0x766/0xda0 [ 51.358222][ T475] kobject_add+0x14c/0x210 [ 51.362624][ T475] ? _raw_spin_lock+0xa3/0x1b0 [ 51.367359][ T475] ? kobject_init+0x1e0/0x1e0 [ 51.372187][ T475] ? __kasan_check_write+0x14/0x20 [ 51.377286][ T475] ? mutex_unlock+0x1d/0x40 [ 51.381851][ T475] ? get_device_parent+0x2c5/0x430 [ 51.386950][ T475] device_add+0x3ca/0xbd0 [ 51.391253][ T475] __device_add_disk+0x7c1/0x11b0 [ 51.396603][ T475] ? device_add_disk+0x40/0x40 [ 51.401366][ T475] ? hrtimer_init+0x2e/0x130 [ 51.405937][ T475] ? vsprintf+0x40/0x40 [ 51.410063][ T475] ? device_initialize+0x1d9/0x3a0 [ 51.415148][ T475] device_add_disk+0x2a/0x40 [ 51.420317][ T475] loop_add+0x5cf/0x870 [ 51.424964][ T475] loop_control_ioctl+0x564/0x740 [ 51.429974][ T475] ? loop_remove+0xb0/0xb0 [ 51.434407][ T475] ? __fget_files+0x310/0x370 [ 51.439088][ T475] ? security_file_ioctl+0xb1/0xd0 [ 51.444360][ T475] ? loop_remove+0xb0/0xb0 [ 51.448765][ T475] __se_sys_ioctl+0x115/0x190 [ 51.453502][ T475] __x64_sys_ioctl+0x7b/0x90 [ 51.458154][ T475] do_syscall_64+0x34/0x70 [ 51.462839][ T475] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.468813][ T475] RIP: 0033:0x7ffb21a890e9 [ 51.473214][ 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 [ 51.493493][ T475] RSP: 002b:00007ffb219ff168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 51.502109][ T475] RAX: ffffffffffffffda RBX: 00007ffb21b9bf60 RCX: 00007ffb21a890e9 [ 51.510159][ T475] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 51.518131][ T475] RBP: 00007ffb219ff1d0 R08: 0000000000000000 R09: 0000000000000000 [ 51.526092][ T475] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 51.534055][ T475] R13: 00007ffe767ac2ef R14: 00007ffb219ff300 R15: 0000000000022000 [ 51.543160][ T475] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 51.555950][ T477] FAULT_INJECTION: forcing a failure. [ 51.555950][ T477] name failslab, interval 1, probability 0, space 0, times 0 [ 51.569525][ T477] CPU: 0 PID: 477 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 51.582108][ T477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.592150][ T477] Call Trace: [ 51.595421][ T477] dump_stack_lvl+0x1e2/0x24b [ 51.600108][ T477] ? panic+0x7d7/0x7d7 [ 51.604976][ T477] ? bfq_pos_tree_add_move+0x43e/0x43e [ 51.610419][ T477] ? __kasan_kmalloc+0x9/0x10 [ 51.615239][ T477] ? kobj_map+0x72/0x6f0 [ 51.619460][ T477] ? __device_add_disk+0x6e0/0x11b0 [ 51.624799][ T477] ? device_add_disk+0x2a/0x40 [ 51.629636][ T477] ? loop_control_ioctl+0x564/0x740 [ 51.634832][ T477] ? __se_sys_ioctl+0x115/0x190 [ 51.639659][ T477] ? __x64_sys_ioctl+0x7b/0x90 [ 51.644799][ T477] dump_stack+0x15/0x17 [ 51.649201][ T477] should_fail+0x3c0/0x510 [ 51.653603][ T477] ? kvasprintf_const+0x139/0x180 [ 51.658615][ T477] __should_failslab+0x9f/0xe0 [ 51.663350][ T477] should_failslab+0x9/0x20 [ 51.667926][ T477] __kmalloc_track_caller+0x5f/0x350 [ 51.673267][ T477] kstrdup_const+0x55/0x90 [ 51.677747][ T477] kvasprintf_const+0x139/0x180 [ 51.682663][ T477] kobject_set_name_vargs+0x61/0x120 [ 51.687950][ T477] dev_set_name+0xd1/0x120 [ 51.692356][ T477] ? __kmalloc+0x1f7/0x360 [ 51.696759][ T477] ? get_device+0x30/0x30 [ 51.701192][ T477] ? kobj_map+0x6ad/0x6f0 [ 51.705589][ T477] __device_add_disk+0x733/0x11b0 [ 51.710789][ T477] ? device_add_disk+0x40/0x40 [ 51.715545][ T477] ? hrtimer_init+0x2e/0x130 [ 51.720134][ T477] ? vsprintf+0x40/0x40 [ 51.724294][ T477] ? device_initialize+0x1d9/0x3a0 [ 51.729503][ T477] device_add_disk+0x2a/0x40 [ 51.734199][ T477] loop_add+0x5cf/0x870 [ 51.738333][ T477] loop_control_ioctl+0x564/0x740 [ 51.743350][ T477] ? loop_remove+0xb0/0xb0 [ 51.747860][ T477] ? __fget_files+0x310/0x370 [ 51.752615][ T477] ? security_file_ioctl+0xb1/0xd0 [ 51.758068][ T477] ? loop_remove+0xb0/0xb0 [ 51.762487][ T477] __se_sys_ioctl+0x115/0x190 [ 51.767284][ T477] __x64_sys_ioctl+0x7b/0x90 [ 51.772048][ T477] do_syscall_64+0x34/0x70 [ 51.776533][ T477] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.782420][ T477] RIP: 0033:0x7ffb21a890e9 [ 51.786821][ 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 [ 51.806412][ T477] RSP: 002b:00007ffb219ff168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 51.815067][ T477] RAX: ffffffffffffffda RBX: 00007ffb21b9bf60 RCX: 00007ffb21a890e9 [ 51.825966][ T477] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 51.833911][ T477] RBP: 00007ffb219ff1d0 R08: 0000000000000000 R09: 0000000000000000 [ 51.841860][ T477] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 51.849821][ T477] R13: 00007ffe767ac2ef R14: 00007ffb219ff300 R15: 0000000000022000 [ 51.864275][ T479] FAULT_INJECTION: forcing a failure. [ 51.864275][ T479] name failslab, interval 1, probability 0, space 0, times 0 [ 51.877147][ T479] CPU: 0 PID: 479 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 51.889351][ T479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.899391][ T479] Call Trace: [ 51.902669][ T479] dump_stack_lvl+0x1e2/0x24b [ 51.907318][ T479] ? bfq_pos_tree_add_move+0x43e/0x43e [ 51.912752][ T479] dump_stack+0x15/0x17 [ 51.916880][ T479] should_fail+0x3c0/0x510 [ 51.921285][ T479] ? __kernfs_new_node+0x99/0x6e0 [ 51.926289][ T479] __should_failslab+0x9f/0xe0 [ 51.931033][ T479] should_failslab+0x9/0x20 [ 51.935518][ T479] __kmalloc_track_caller+0x5f/0x350 [ 51.940785][ T479] ? __kernel_text_address+0x9a/0x110 [ 51.946232][ T479] ? unwind_get_return_address+0x4c/0x90 [ 51.951954][ T479] kstrdup_const+0x55/0x90 [ 51.956365][ T479] __kernfs_new_node+0x99/0x6e0 [ 51.961204][ T479] ? stack_trace_save+0x12d/0x1f0 [ 51.966301][ T479] ? kernfs_new_node+0x170/0x170 [ 51.971227][ T479] ? stack_trace_snprint+0x100/0x100 [ 51.976493][ T479] ? dput+0x2ce/0x320 [ 51.980454][ T479] ? device_add+0xbe/0xbd0 [ 51.984843][ T479] kernfs_create_dir_ns+0x9b/0x230 [ 51.989924][ T479] sysfs_create_dir_ns+0x181/0x390 [ 51.995006][ T479] ? sysfs_warn_dup+0xa0/0xa0 [ 51.999674][ T479] kobject_add_internal+0x766/0xda0 [ 52.004862][ T479] kobject_add+0x14c/0x210 [ 52.009372][ T479] ? _raw_spin_lock+0xa3/0x1b0 [ 52.014117][ T479] ? kobject_init+0x1e0/0x1e0 [ 52.018782][ T479] ? __kasan_check_write+0x14/0x20 [ 52.024070][ T479] ? mutex_unlock+0x1d/0x40 [ 52.028576][ T479] ? get_device_parent+0x2c5/0x430 [ 52.033884][ T479] device_add+0x3ca/0xbd0 [ 52.038649][ T479] __device_add_disk+0x7c1/0x11b0 [ 52.043681][ T479] ? device_add_disk+0x40/0x40 [ 52.048475][ T479] ? hrtimer_init+0x2e/0x130 [ 52.053138][ T479] ? vsprintf+0x40/0x40 [ 52.057407][ T479] ? device_initialize+0x1d9/0x3a0 [ 52.062508][ T479] device_add_disk+0x2a/0x40 [ 52.067290][ T479] loop_add+0x5cf/0x870 [ 52.071596][ T479] loop_control_ioctl+0x564/0x740 [ 52.076621][ T479] ? loop_remove+0xb0/0xb0 [ 52.081117][ T479] ? __fget_files+0x310/0x370 [ 52.086106][ T479] ? security_file_ioctl+0xb1/0xd0 [ 52.091214][ T479] ? loop_remove+0xb0/0xb0 [ 52.095631][ T479] __se_sys_ioctl+0x115/0x190 [ 52.100490][ T479] __x64_sys_ioctl+0x7b/0x90 [ 52.105257][ T479] do_syscall_64+0x34/0x70 [ 52.109765][ T479] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.115647][ T479] RIP: 0033:0x7ffb21a890e9 [ 52.120054][ 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 [ 52.139736][ T479] RSP: 002b:00007ffb219ff168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 52.148144][ T479] RAX: ffffffffffffffda RBX: 00007ffb21b9bf60 RCX: 00007ffb21a890e9 [ 52.156476][ T479] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 52.164523][ T479] RBP: 00007ffb219ff1d0 R08: 0000000000000000 R09: 0000000000000000 [ 52.172648][ T479] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 52.180609][ T479] R13: 00007ffe767ac2ef R14: 00007ffb219ff300 R15: 0000000000022000 [ 52.188689][ T479] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 52.202077][ T481] FAULT_INJECTION: forcing a failure. [ 52.202077][ T481] name failslab, interval 1, probability 0, space 0, times 0 [ 52.215572][ T481] CPU: 0 PID: 481 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 52.228046][ T481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.238866][ T481] Call Trace: [ 52.242151][ T481] dump_stack_lvl+0x1e2/0x24b [ 52.247009][ T481] ? bfq_pos_tree_add_move+0x43e/0x43e [ 52.252621][ T481] dump_stack+0x15/0x17 [ 52.256899][ T481] should_fail+0x3c0/0x510 [ 52.261298][ T481] ? __kernfs_new_node+0x99/0x6e0 [ 52.266435][ T481] __should_failslab+0x9f/0xe0 [ 52.271558][ T481] should_failslab+0x9/0x20 [ 52.276169][ T481] __kmalloc_track_caller+0x5f/0x350 [ 52.281532][ T481] ? __kernel_text_address+0x9a/0x110 [ 52.286991][ T481] ? unwind_get_return_address+0x4c/0x90 [ 52.294086][ T481] kstrdup_const+0x55/0x90 [ 52.298565][ T481] __kernfs_new_node+0x99/0x6e0 [ 52.303649][ T481] ? stack_trace_save+0x12d/0x1f0 [ 52.308941][ T481] ? kernfs_new_node+0x170/0x170 [ 52.314984][ T481] ? stack_trace_snprint+0x100/0x100 [ 52.320546][ T481] ? dput+0x2ce/0x320 [ 52.324578][ T481] ? device_add+0xbe/0xbd0 [ 52.328983][ T481] kernfs_create_dir_ns+0x9b/0x230 [ 52.334175][ T481] sysfs_create_dir_ns+0x181/0x390 [ 52.339282][ T481] ? sysfs_warn_dup+0xa0/0xa0 [ 52.344163][ T481] kobject_add_internal+0x766/0xda0 [ 52.349487][ T481] kobject_add+0x14c/0x210 [ 52.353897][ T481] ? _raw_spin_lock+0xa3/0x1b0 [ 52.358658][ T481] ? kobject_init+0x1e0/0x1e0 [ 52.363424][ T481] ? __kasan_check_write+0x14/0x20 [ 52.368518][ T481] ? mutex_unlock+0x1d/0x40 [ 52.373263][ T481] ? get_device_parent+0x2c5/0x430 [ 52.378356][ T481] device_add+0x3ca/0xbd0 [ 52.382663][ T481] __device_add_disk+0x7c1/0x11b0 [ 52.387850][ T481] ? device_add_disk+0x40/0x40 [ 52.392679][ T481] ? hrtimer_init+0x2e/0x130 [ 52.397316][ T481] ? vsprintf+0x40/0x40 [ 52.401479][ T481] ? device_initialize+0x1d9/0x3a0 [ 52.406578][ T481] device_add_disk+0x2a/0x40 [ 52.411167][ T481] loop_add+0x5cf/0x870 [ 52.415611][ T481] loop_control_ioctl+0x564/0x740 [ 52.420623][ T481] ? loop_remove+0xb0/0xb0 [ 52.425026][ T481] ? __fget_files+0x310/0x370 [ 52.429820][ T481] ? security_file_ioctl+0xb1/0xd0 [ 52.434922][ T481] ? loop_remove+0xb0/0xb0 [ 52.439311][ T481] __se_sys_ioctl+0x115/0x190 [ 52.443973][ T481] __x64_sys_ioctl+0x7b/0x90 [ 52.448719][ T481] do_syscall_64+0x34/0x70 [ 52.453554][ T481] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.459770][ T481] RIP: 0033:0x7ffb21a890e9 [ 52.464168][ 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 [ 52.484547][ T481] RSP: 002b:00007ffb219ff168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 52.493129][ T481] RAX: ffffffffffffffda RBX: 00007ffb21b9bf60 RCX: 00007ffb21a890e9 [ 52.501169][ T481] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 52.509125][ T481] RBP: 00007ffb219ff1d0 R08: 0000000000000000 R09: 0000000000000000 [ 52.517246][ T481] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 52.526370][ T481] R13: 00007ffe767ac2ef R14: 00007ffb219ff300 R15: 0000000000022000 [ 52.535070][ T481] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 52.552567][ T483] FAULT_INJECTION: forcing a failure. [ 52.552567][ T483] name failslab, interval 1, probability 0, space 0, times 0 [ 52.567248][ T483] CPU: 1 PID: 483 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 52.579830][ T483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.589966][ T483] Call Trace: [ 52.593280][ T483] dump_stack_lvl+0x1e2/0x24b [ 52.598128][ T483] ? bfq_pos_tree_add_move+0x43e/0x43e [ 52.603650][ T483] dump_stack+0x15/0x17 [ 52.607778][ T483] should_fail+0x3c0/0x510 [ 52.612173][ T483] ? __kernfs_new_node+0x99/0x6e0 [ 52.617255][ T483] __should_failslab+0x9f/0xe0 [ 52.621995][ T483] should_failslab+0x9/0x20 [ 52.626469][ T483] __kmalloc_track_caller+0x5f/0x350 [ 52.631724][ T483] ? __kernel_text_address+0x9a/0x110 [ 52.637321][ T483] ? unwind_get_return_address+0x4c/0x90 [ 52.643151][ T483] kstrdup_const+0x55/0x90 [ 52.648008][ T483] __kernfs_new_node+0x99/0x6e0 [ 52.652936][ T483] ? stack_trace_save+0x12d/0x1f0 [ 52.657944][ T483] ? kernfs_new_node+0x170/0x170 [ 52.663413][ T483] ? stack_trace_snprint+0x100/0x100 [ 52.669082][ T483] ? dput+0x2ce/0x320 [ 52.673336][ T483] ? device_add+0xbe/0xbd0 [ 52.678184][ T483] kernfs_create_dir_ns+0x9b/0x230 [ 52.683387][ T483] sysfs_create_dir_ns+0x181/0x390 [ 52.689001][ T483] ? sysfs_warn_dup+0xa0/0xa0 [ 52.693890][ T483] kobject_add_internal+0x766/0xda0 [ 52.699114][ T483] kobject_add+0x14c/0x210 [ 52.703697][ T483] ? _raw_spin_lock+0xa3/0x1b0 [ 52.708453][ T483] ? kobject_init+0x1e0/0x1e0 [ 52.713119][ T483] ? __kasan_check_write+0x14/0x20 [ 52.718641][ T483] ? mutex_unlock+0x1d/0x40 [ 52.723221][ T483] ? get_device_parent+0x2c5/0x430 [ 52.728324][ T483] device_add+0x3ca/0xbd0 [ 52.732636][ T483] __device_add_disk+0x7c1/0x11b0 [ 52.737824][ T483] ? device_add_disk+0x40/0x40 [ 52.742581][ T483] ? hrtimer_init+0x2e/0x130 [ 52.747226][ T483] ? vsprintf+0x40/0x40 [ 52.751489][ T483] ? device_initialize+0x1d9/0x3a0 [ 52.756593][ T483] device_add_disk+0x2a/0x40 [ 52.761178][ T483] loop_add+0x5cf/0x870 [ 52.765310][ T483] loop_control_ioctl+0x564/0x740 [ 52.770475][ T483] ? loop_remove+0xb0/0xb0 [ 52.774938][ T483] ? __fget_files+0x310/0x370 [ 52.779610][ T483] ? security_file_ioctl+0xb1/0xd0 [ 52.784872][ T483] ? loop_remove+0xb0/0xb0 [ 52.789357][ T483] __se_sys_ioctl+0x115/0x190 [ 52.794022][ T483] __x64_sys_ioctl+0x7b/0x90 [ 52.798612][ T483] do_syscall_64+0x34/0x70 [ 52.803010][ T483] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.808896][ T483] RIP: 0033:0x7ffb21a890e9 [ 52.813389][ 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 [ 52.833550][ T483] RSP: 002b:00007ffb219ff168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 52.842404][ T483] RAX: ffffffffffffffda RBX: 00007ffb21b9bf60 RCX: 00007ffb21a890e9 [ 52.851750][ T483] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 52.860150][ T483] RBP: 00007ffb219ff1d0 R08: 0000000000000000 R09: 0000000000000000 [ 52.869300][ T483] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 52.877459][ T483] R13: 00007ffe767ac2ef R14: 00007ffb219ff300 R15: 0000000000022000 [ 52.887287][ T483] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 52.901855][ T485] FAULT_INJECTION: forcing a failure. [ 52.901855][ T485] name failslab, interval 1, probability 0, space 0, times 0 [ 52.914707][ T485] CPU: 1 PID: 485 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 52.927019][ T485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.937588][ T485] Call Trace: [ 52.940860][ T485] dump_stack_lvl+0x1e2/0x24b [ 52.945600][ T485] ? bfq_pos_tree_add_move+0x43e/0x43e [ 52.951140][ T485] dump_stack+0x15/0x17 [ 52.955552][ T485] should_fail+0x3c0/0x510 [ 52.959977][ T485] ? __kernfs_new_node+0x99/0x6e0 [ 52.965158][ T485] __should_failslab+0x9f/0xe0 [ 52.970077][ T485] should_failslab+0x9/0x20 [ 52.974686][ T485] __kmalloc_track_caller+0x5f/0x350 [ 52.980093][ T485] ? __kernel_text_address+0x9a/0x110