[ 20.348996][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 20.360270][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 20.369067][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 20.385252][ T384] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 20.843452][ T9] device bridge_slave_1 left promiscuous mode [ 20.849750][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 20.857581][ T9] device bridge_slave_0 left promiscuous mode [ 20.863789][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 31.271883][ T23] kauditd_printk_skb: 64 callbacks suppressed [ 31.271892][ T23] audit: type=1400 audit(1653546816.629:147): 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 '10.128.1.118' (ECDSA) to the list of known hosts. 2022/05/26 06:33:43 parsed 1 programs 2022/05/26 06:33:43 executed programs: 0 [ 37.832526][ T23] audit: type=1400 audit(1653546823.189:148): avc: denied { mounton } for pid=413 comm="syz-executor" path="/syzcgroup/unified" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=dir permissive=1 [ 37.833492][ T413] cgroup: Unknown subsys name 'net' [ 37.861191][ T413] cgroup: Unknown subsys name 'devices' [ 37.867666][ T413] cgroup: Unknown subsys name 'hugetlb' [ 37.873412][ T413] cgroup: Unknown subsys name 'rlimit' [ 37.879342][ T23] audit: type=1400 audit(1653546823.239:149): avc: denied { mounton } for pid=413 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 37.904198][ T23] audit: type=1400 audit(1653546823.239:150): avc: denied { mount } for pid=413 comm="syz-executor" name="/" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=filesystem permissive=1 [ 37.925736][ T417] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.927689][ T23] audit: type=1400 audit(1653546823.239:151): avc: denied { mounton } for pid=417 comm="syz-executor.0" path="/sys/fs/fuse/connections" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=dir permissive=1 [ 37.934707][ T417] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.958501][ T23] audit: type=1400 audit(1653546823.239:152): avc: denied { module_request } for pid=417 comm="syz-executor.0" kmod="netdev-nr0" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 37.966221][ T417] device bridge_slave_0 entered promiscuous mode [ 37.994125][ T417] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.001223][ T417] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.008664][ T417] device bridge_slave_1 entered promiscuous mode [ 38.032521][ T417] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.039576][ T417] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.046829][ T417] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.053849][ T417] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.068529][ T389] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.075763][ T389] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.083059][ T389] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.090727][ T389] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.099510][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.107836][ T19] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.114866][ T19] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.123437][ T389] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.131553][ T389] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.138593][ T389] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.153791][ T389] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.162170][ T389] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.170231][ T389] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.179012][ T389] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.194063][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.202538][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.210911][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.221031][ T23] audit: type=1400 audit(1653546823.579:153): avc: denied { mount } for pid=417 comm="syz-executor.0" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [ 38.246951][ T23] audit: type=1400 audit(1653546823.609:154): avc: denied { ioctl } for pid=422 comm="syz-executor.0" path="/dev/loop-control" dev="devtmpfs" ino=114 ioctlcmd=0x4c81 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 38.280550][ T426] udevd[426]: inotify_add_watch(7, /dev/loop0, 10) failed: No such file or directory [ 38.305461][ T425] FAULT_INJECTION: forcing a failure. [ 38.305461][ T425] name failslab, interval 1, probability 0, space 0, times 1 [ 38.318106][ T425] CPU: 1 PID: 425 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 38.328839][ T425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.338879][ T425] Call Trace: [ 38.342259][ T425] dump_stack_lvl+0x1e2/0x24b [ 38.346918][ T425] ? panic+0x7d7/0x7d7 [ 38.351084][ T425] ? bfq_pos_tree_add_move+0x43e/0x43e [ 38.356525][ T425] dump_stack+0x15/0x17 [ 38.360655][ T425] should_fail+0x3c0/0x510 [ 38.365052][ T425] __should_failslab+0x9f/0xe0 [ 38.369795][ T425] should_failslab+0x9/0x20 [ 38.374284][ T425] kmem_cache_alloc+0x3f/0x300 [ 38.379023][ T425] ? __kernfs_new_node+0xdb/0x6e0 [ 38.384021][ T425] __kernfs_new_node+0xdb/0x6e0 [ 38.388943][ T425] ? stack_trace_save+0x12d/0x1f0 [ 38.393948][ T425] ? kernfs_new_node+0x170/0x170 [ 38.398868][ T425] ? stack_trace_snprint+0x100/0x100 [ 38.404129][ T425] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 38.409940][ T425] ? stack_depot_save+0x433/0x4a0 [ 38.414945][ T425] ? device_add+0xbe/0xbd0 [ 38.419338][ T425] kernfs_create_dir_ns+0x9b/0x230 [ 38.424588][ T425] sysfs_create_dir_ns+0x181/0x390 [ 38.429691][ T425] ? sysfs_warn_dup+0xa0/0xa0 [ 38.434373][ T425] kobject_add_internal+0x766/0xda0 [ 38.439551][ T425] kobject_add+0x14c/0x210 [ 38.444040][ T425] ? _raw_spin_lock+0xa3/0x1b0 [ 38.448778][ T425] ? kobject_init+0x1e0/0x1e0 [ 38.453509][ T425] ? __kasan_check_write+0x14/0x20 [ 38.458607][ T425] ? mutex_unlock+0x1d/0x40 [ 38.463086][ T425] ? get_device_parent+0x2c5/0x430 [ 38.468174][ T425] device_add+0x3ca/0xbd0 [ 38.472488][ T425] __device_add_disk+0x7c1/0x11b0 [ 38.477488][ T425] ? device_add_disk+0x40/0x40 [ 38.482312][ T425] ? vsprintf+0x40/0x40 [ 38.486446][ T425] device_add_disk+0x2a/0x40 [ 38.491115][ T425] loop_add+0x533/0x770 [ 38.495258][ T425] loop_control_ioctl+0x564/0x740 [ 38.500286][ T425] ? loop_remove+0xb0/0xb0 [ 38.504737][ T425] ? __fget_files+0x310/0x370 [ 38.509389][ T425] ? security_file_ioctl+0xb1/0xd0 [ 38.514659][ T425] ? loop_remove+0xb0/0xb0 [ 38.519069][ T425] __se_sys_ioctl+0x115/0x190 [ 38.523719][ T425] __x64_sys_ioctl+0x7b/0x90 [ 38.528283][ T425] do_syscall_64+0x34/0x70 [ 38.532759][ T425] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 38.538793][ T425] RIP: 0033:0x7f56c0e470e9 [ 38.543187][ T425] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 38.562948][ T425] RSP: 002b:00007f56c0dbd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 38.571339][ T425] RAX: ffffffffffffffda RBX: 00007f56c0f59f60 RCX: 00007f56c0e470e9 [ 38.579292][ T425] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 38.587261][ T425] RBP: 00007f56c0dbd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 38.595300][ T425] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 38.603358][ T425] R13: 00007ffe13ed37bf R14: 00007f56c0dbd300 R15: 0000000000022000 [ 38.611504][ T425] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 38.627279][ T428] FAULT_INJECTION: forcing a failure. [ 38.627279][ T428] name failslab, interval 1, probability 0, space 0, times 0 [ 38.640155][ T428] CPU: 0 PID: 428 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 38.650979][ T428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.661008][ T428] Call Trace: [ 38.664276][ T428] dump_stack_lvl+0x1e2/0x24b [ 38.668925][ T428] ? panic+0x7d7/0x7d7 [ 38.672977][ T428] ? bfq_pos_tree_add_move+0x43e/0x43e [ 38.678410][ T428] ? memcpy+0x56/0x70 [ 38.682478][ T428] dump_stack+0x15/0x17 [ 38.686615][ T428] should_fail+0x3c0/0x510 [ 38.691006][ T428] ? device_add+0xbe/0xbd0 [ 38.695396][ T428] __should_failslab+0x9f/0xe0 [ 38.700132][ T428] should_failslab+0x9/0x20 [ 38.704607][ T428] kmem_cache_alloc_trace+0x3a/0x330 [ 38.709912][ T428] ? __kasan_check_write+0x14/0x20 [ 38.714998][ T428] device_add+0xbe/0xbd0 [ 38.719301][ T428] __device_add_disk+0x7c1/0x11b0 [ 38.724298][ T428] ? device_add_disk+0x40/0x40 [ 38.729057][ T428] ? vsprintf+0x40/0x40 [ 38.733192][ T428] device_add_disk+0x2a/0x40 [ 38.737943][ T428] loop_add+0x533/0x770 [ 38.742161][ T428] loop_control_ioctl+0x564/0x740 [ 38.747159][ T428] ? loop_remove+0xb0/0xb0 [ 38.751638][ T428] ? __fget_files+0x310/0x370 [ 38.756376][ T428] ? security_file_ioctl+0xb1/0xd0 [ 38.761512][ T428] ? loop_remove+0xb0/0xb0 [ 38.765900][ T428] __se_sys_ioctl+0x115/0x190 [ 38.770636][ T428] __x64_sys_ioctl+0x7b/0x90 [ 38.775208][ T428] do_syscall_64+0x34/0x70 [ 38.779606][ T428] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 38.785468][ T428] RIP: 0033:0x7f56c0e470e9 [ 38.789856][ 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 [ 38.809433][ T428] RSP: 002b:00007f56c0dbd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 38.817924][ T428] RAX: ffffffffffffffda RBX: 00007f56c0f59f60 RCX: 00007f56c0e470e9 [ 38.825958][ T428] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 38.833990][ T428] RBP: 00007f56c0dbd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 38.841935][ T428] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 38.849896][ T428] R13: 00007ffe13ed37bf R14: 00007f56c0dbd300 R15: 0000000000022000 [ 38.858740][ T23] audit: type=1400 audit(1653546824.219:155): avc: denied { append } for pid=142 comm="syslogd" name="messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 38.880931][ T23] audit: type=1400 audit(1653546824.219:156): avc: denied { open } for pid=142 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 38.903511][ T23] audit: type=1400 audit(1653546824.219:157): avc: denied { getattr } for pid=142 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 38.910088][ T430] FAULT_INJECTION: forcing a failure. [ 38.910088][ T430] name failslab, interval 1, probability 0, space 0, times 0 [ 38.939157][ T430] CPU: 1 PID: 430 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 38.949991][ T430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.960022][ T430] Call Trace: [ 38.963296][ T430] dump_stack_lvl+0x1e2/0x24b [ 38.967953][ T430] ? panic+0x7d7/0x7d7 [ 38.971996][ T430] ? bfq_pos_tree_add_move+0x43e/0x43e [ 38.977437][ T430] dump_stack+0x15/0x17 [ 38.981664][ T430] should_fail+0x3c0/0x510 [ 38.986056][ T430] __should_failslab+0x9f/0xe0 [ 38.990977][ T430] should_failslab+0x9/0x20 [ 38.995457][ T430] kmem_cache_alloc+0x3f/0x300 [ 39.000321][ T430] ? __kernfs_new_node+0xdb/0x6e0 [ 39.005323][ T430] __kernfs_new_node+0xdb/0x6e0 [ 39.010153][ T430] ? stack_trace_save+0x12d/0x1f0 [ 39.015157][ T430] ? kernfs_new_node+0x170/0x170 [ 39.020065][ T430] ? stack_trace_snprint+0x100/0x100 [ 39.025321][ T430] ? dput+0x2ce/0x320 [ 39.029346][ T430] ? device_add+0xbe/0xbd0 [ 39.033834][ T430] kernfs_create_dir_ns+0x9b/0x230 [ 39.038919][ T430] sysfs_create_dir_ns+0x181/0x390 [ 39.044009][ T430] ? sysfs_warn_dup+0xa0/0xa0 [ 39.048672][ T430] kobject_add_internal+0x766/0xda0 [ 39.053847][ T430] kobject_add+0x14c/0x210 [ 39.058235][ T430] ? _raw_spin_lock+0xa3/0x1b0 [ 39.062970][ T430] ? kobject_init+0x1e0/0x1e0 [ 39.067619][ T430] ? __kasan_check_write+0x14/0x20 [ 39.072726][ T430] ? mutex_unlock+0x1d/0x40 [ 39.077202][ T430] ? get_device_parent+0x2c5/0x430 [ 39.082287][ T430] device_add+0x3ca/0xbd0 [ 39.086589][ T430] __device_add_disk+0x7c1/0x11b0 [ 39.091672][ T430] ? device_add_disk+0x40/0x40 [ 39.096406][ T430] ? vsprintf+0x40/0x40 [ 39.100542][ T430] device_add_disk+0x2a/0x40 [ 39.105110][ T430] loop_add+0x533/0x770 [ 39.109265][ T430] loop_control_ioctl+0x564/0x740 [ 39.114262][ T430] ? loop_remove+0xb0/0xb0 [ 39.118699][ T430] ? __fget_files+0x310/0x370 [ 39.123358][ T430] ? security_file_ioctl+0xb1/0xd0 [ 39.128617][ T430] ? loop_remove+0xb0/0xb0 [ 39.133027][ T430] __se_sys_ioctl+0x115/0x190 [ 39.137939][ T430] __x64_sys_ioctl+0x7b/0x90 [ 39.142517][ T430] do_syscall_64+0x34/0x70 [ 39.146920][ T430] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 39.152803][ T430] RIP: 0033:0x7f56c0e470e9 [ 39.157204][ 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 [ 39.176872][ T430] RSP: 002b:00007f56c0dbd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 39.185326][ T430] RAX: ffffffffffffffda RBX: 00007f56c0f59f60 RCX: 00007f56c0e470e9 [ 39.193276][ T430] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 39.201223][ T430] RBP: 00007f56c0dbd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 39.209170][ T430] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 39.217128][ T430] R13: 00007ffe13ed37bf R14: 00007f56c0dbd300 R15: 0000000000022000 [ 39.225390][ T430] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 39.239009][ T432] FAULT_INJECTION: forcing a failure. [ 39.239009][ T432] name failslab, interval 1, probability 0, space 0, times 0 [ 39.251835][ T432] CPU: 1 PID: 432 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 39.262663][ T432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.272790][ T432] Call Trace: [ 39.276323][ T432] dump_stack_lvl+0x1e2/0x24b [ 39.281081][ T432] ? panic+0x7d7/0x7d7 [ 39.285131][ T432] ? bfq_pos_tree_add_move+0x43e/0x43e [ 39.290580][ T432] dump_stack+0x15/0x17 [ 39.294717][ T432] should_fail+0x3c0/0x510 [ 39.299202][ T432] __should_failslab+0x9f/0xe0 [ 39.303950][ T432] should_failslab+0x9/0x20 [ 39.308517][ T432] kmem_cache_alloc+0x3f/0x300 [ 39.313265][ T432] ? __kernfs_new_node+0xdb/0x6e0 [ 39.318271][ T432] __kernfs_new_node+0xdb/0x6e0 [ 39.323099][ T432] ? stack_trace_save+0x12d/0x1f0 [ 39.328107][ T432] ? kernfs_new_node+0x170/0x170 [ 39.333022][ T432] ? stack_trace_snprint+0x100/0x100 [ 39.338281][ T432] ? dput+0x2ce/0x320 [ 39.342243][ T432] ? device_add+0xbe/0xbd0 [ 39.346636][ T432] kernfs_create_dir_ns+0x9b/0x230 [ 39.351720][ T432] sysfs_create_dir_ns+0x181/0x390 [ 39.356807][ T432] ? sysfs_warn_dup+0xa0/0xa0 [ 39.361469][ T432] kobject_add_internal+0x766/0xda0 [ 39.366652][ T432] kobject_add+0x14c/0x210 [ 39.371048][ T432] ? _raw_spin_lock+0xa3/0x1b0 [ 39.375788][ T432] ? kobject_init+0x1e0/0x1e0 [ 39.380473][ T432] ? __kasan_check_write+0x14/0x20 [ 39.385561][ T432] ? mutex_unlock+0x1d/0x40 [ 39.390037][ T432] ? get_device_parent+0x2c5/0x430 [ 39.395120][ T432] device_add+0x3ca/0xbd0 [ 39.399425][ T432] __device_add_disk+0x7c1/0x11b0 [ 39.404432][ T432] ? device_add_disk+0x40/0x40 [ 39.409182][ T432] ? vsprintf+0x40/0x40 [ 39.413423][ T432] device_add_disk+0x2a/0x40 [ 39.418008][ T432] loop_add+0x533/0x770 [ 39.422140][ T432] loop_control_ioctl+0x564/0x740 [ 39.427141][ T432] ? loop_remove+0xb0/0xb0 [ 39.431543][ T432] ? __fget_files+0x310/0x370 [ 39.436388][ T432] ? security_file_ioctl+0xb1/0xd0 [ 39.441471][ T432] ? loop_remove+0xb0/0xb0 [ 39.445861][ T432] __se_sys_ioctl+0x115/0x190 [ 39.450521][ T432] __x64_sys_ioctl+0x7b/0x90 [ 39.455108][ T432] do_syscall_64+0x34/0x70 [ 39.459590][ T432] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 39.465461][ T432] RIP: 0033:0x7f56c0e470e9 [ 39.469847][ 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 [ 39.489516][ T432] RSP: 002b:00007f56c0dbd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 39.497907][ T432] RAX: ffffffffffffffda RBX: 00007f56c0f59f60 RCX: 00007f56c0e470e9 [ 39.505858][ T432] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 39.513816][ T432] RBP: 00007f56c0dbd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 39.522107][ T432] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 39.530056][ T432] R13: 00007ffe13ed37bf R14: 00007f56c0dbd300 R15: 0000000000022000 [ 39.538219][ T432] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 39.552540][ T434] FAULT_INJECTION: forcing a failure. [ 39.552540][ T434] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 39.566112][ T434] CPU: 1 PID: 434 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 39.577118][ T434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.587147][ T434] Call Trace: [ 39.590415][ T434] dump_stack_lvl+0x1e2/0x24b [ 39.595065][ T434] ? bfq_pos_tree_add_move+0x43e/0x43e [ 39.600670][ T434] ? memset+0x35/0x40 [ 39.604636][ T434] dump_stack+0x15/0x17 [ 39.608776][ T434] should_fail+0x3c0/0x510 [ 39.613177][ T434] should_fail_alloc_page+0x50/0x60 [ 39.618360][ T434] __alloc_pages_nodemask+0x1c0/0x890 [ 39.623801][ T434] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 39.629150][ T434] ? __fsnotify_parent+0x6c0/0x6c0 [ 39.634424][ T434] ? gfp_pfmemalloc_allowed+0x120/0x120 [ 39.639949][ T434] ? __kasan_check_write+0x14/0x20 [ 39.645051][ T434] ? __up_write+0x54/0x120 [ 39.649444][ T434] ? __kasan_check_write+0x14/0x20 [ 39.654528][ T434] allocate_slab+0x78/0x540 [ 39.659017][ T434] ___slab_alloc+0x131/0x2e0 [ 39.663609][ T434] ? kobj_map+0x72/0x6f0 [ 39.667834][ T434] __slab_alloc+0x63/0xa0 [ 39.672148][ T434] ? kobj_map+0x72/0x6f0 [ 39.676374][ T434] __kmalloc+0x24f/0x360 [ 39.680592][ T434] ? kobj_map+0x72/0x6f0 [ 39.684821][ T434] kobj_map+0x72/0x6f0 [ 39.688874][ T434] ? exact_match+0x20/0x20 [ 39.693266][ T434] ? bdev_check_media_change+0x4c0/0x4c0 [ 39.698870][ T434] __device_add_disk+0x6e0/0x11b0 [ 39.703935][ T434] ? device_add_disk+0x40/0x40 [ 39.708676][ T434] ? vsprintf+0x40/0x40 [ 39.712894][ T434] device_add_disk+0x2a/0x40 [ 39.717710][ T434] loop_add+0x533/0x770 [ 39.721845][ T434] loop_control_ioctl+0x564/0x740 [ 39.726841][ T434] ? loop_remove+0xb0/0xb0 [ 39.731235][ T434] ? __fget_files+0x310/0x370 [ 39.735887][ T434] ? security_file_ioctl+0xb1/0xd0 [ 39.740970][ T434] ? loop_remove+0xb0/0xb0 [ 39.745358][ T434] __se_sys_ioctl+0x115/0x190 [ 39.750094][ T434] __x64_sys_ioctl+0x7b/0x90 [ 39.754654][ T434] do_syscall_64+0x34/0x70 [ 39.759054][ T434] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 39.765012][ T434] RIP: 0033:0x7f56c0e470e9 [ 39.769402][ T434] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 39.789198][ T434] RSP: 002b:00007f56c0dbd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 39.797585][ T434] RAX: ffffffffffffffda RBX: 00007f56c0f59f60 RCX: 00007f56c0e470e9 [ 39.805545][ T434] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 39.813493][ T434] RBP: 00007f56c0dbd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 39.821440][ T434] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 39.829391][ T434] R13: 00007ffe13ed37bf R14: 00007f56c0dbd300 R15: 0000000000022000 [ 39.885034][ T436] FAULT_INJECTION: forcing a failure. [ 39.885034][ T436] name failslab, interval 1, probability 0, space 0, times 0 [ 39.897757][ T436] CPU: 1 PID: 436 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 39.908489][ T436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.918529][ T436] Call Trace: [ 39.921987][ T436] dump_stack_lvl+0x1e2/0x24b [ 39.926662][ T436] ? bfq_pos_tree_add_move+0x43e/0x43e [ 39.932108][ T436] dump_stack+0x15/0x17 [ 39.936237][ T436] should_fail+0x3c0/0x510 [ 39.940674][ T436] ? __kernfs_new_node+0x99/0x6e0 [ 39.945677][ T436] __should_failslab+0x9f/0xe0 [ 39.950417][ T436] should_failslab+0x9/0x20 [ 39.954900][ T436] __kmalloc_track_caller+0x5f/0x350 [ 39.960161][ T436] ? __kernel_text_address+0x9a/0x110 [ 39.965512][ T436] ? unwind_get_return_address+0x4c/0x90 [ 39.971115][ T436] kstrdup_const+0x55/0x90 [ 39.975501][ T436] __kernfs_new_node+0x99/0x6e0 [ 39.980415][ T436] ? stack_trace_save+0x12d/0x1f0 [ 39.985418][ T436] ? kernfs_new_node+0x170/0x170 [ 39.990331][ T436] ? stack_trace_snprint+0x100/0x100 [ 39.995613][ T436] ? dput+0x2ce/0x320 [ 39.999572][ T436] ? device_add+0xbe/0xbd0 [ 40.004109][ T436] kernfs_create_dir_ns+0x9b/0x230 [ 40.009200][ T436] sysfs_create_dir_ns+0x181/0x390 [ 40.014291][ T436] ? sysfs_warn_dup+0xa0/0xa0 [ 40.018960][ T436] kobject_add_internal+0x766/0xda0 [ 40.024142][ T436] kobject_add+0x14c/0x210 [ 40.028542][ T436] ? _raw_spin_lock+0xa3/0x1b0 [ 40.033283][ T436] ? kobject_init+0x1e0/0x1e0 [ 40.038088][ T436] ? __kasan_check_write+0x14/0x20 [ 40.043184][ T436] ? mutex_unlock+0x1d/0x40 [ 40.047672][ T436] ? get_device_parent+0x2c5/0x430 [ 40.052760][ T436] device_add+0x3ca/0xbd0 [ 40.057064][ T436] __device_add_disk+0x7c1/0x11b0 [ 40.062060][ T436] ? device_add_disk+0x40/0x40 [ 40.066796][ T436] ? vsprintf+0x40/0x40 [ 40.070927][ T436] device_add_disk+0x2a/0x40 [ 40.075493][ T436] loop_add+0x533/0x770 [ 40.079630][ T436] loop_control_ioctl+0x564/0x740 [ 40.084625][ T436] ? loop_remove+0xb0/0xb0 [ 40.089044][ T436] ? __fget_files+0x310/0x370 [ 40.093777][ T436] ? security_file_ioctl+0xb1/0xd0 [ 40.098866][ T436] ? loop_remove+0xb0/0xb0 [ 40.103267][ T436] __se_sys_ioctl+0x115/0x190 [ 40.107911][ T436] __x64_sys_ioctl+0x7b/0x90 [ 40.112474][ T436] do_syscall_64+0x34/0x70 [ 40.116869][ T436] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.122819][ T436] RIP: 0033:0x7f56c0e470e9 [ 40.127209][ 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 [ 40.146964][ T436] RSP: 002b:00007f56c0dbd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 40.155356][ T436] RAX: ffffffffffffffda RBX: 00007f56c0f59f60 RCX: 00007f56c0e470e9 [ 40.163303][ T436] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 40.171366][ T436] RBP: 00007f56c0dbd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 40.179504][ T436] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.187456][ T436] R13: 00007ffe13ed37bf R14: 00007f56c0dbd300 R15: 0000000000022000 [ 40.195543][ T436] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 40.209265][ T438] FAULT_INJECTION: forcing a failure. [ 40.209265][ T438] name failslab, interval 1, probability 0, space 0, times 0 [ 40.222096][ T438] CPU: 1 PID: 438 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 40.232831][ T438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.242967][ T438] Call Trace: [ 40.246234][ T438] dump_stack_lvl+0x1e2/0x24b [ 40.250983][ T438] ? bfq_pos_tree_add_move+0x43e/0x43e [ 40.256414][ T438] dump_stack+0x15/0x17 [ 40.260816][ T438] should_fail+0x3c0/0x510 [ 40.265248][ T438] ? __kernfs_new_node+0x99/0x6e0 [ 40.270252][ T438] __should_failslab+0x9f/0xe0 [ 40.275079][ T438] should_failslab+0x9/0x20 [ 40.279556][ T438] __kmalloc_track_caller+0x5f/0x350 [ 40.284825][ T438] ? __kernel_text_address+0x9a/0x110 [ 40.290177][ T438] ? unwind_get_return_address+0x4c/0x90 [ 40.295797][ T438] kstrdup_const+0x55/0x90 [ 40.300188][ T438] __kernfs_new_node+0x99/0x6e0 [ 40.305011][ T438] ? stack_trace_save+0x12d/0x1f0 [ 40.310184][ T438] ? kernfs_new_node+0x170/0x170 [ 40.315101][ T438] ? stack_trace_snprint+0x100/0x100 [ 40.320359][ T438] ? dput+0x2ce/0x320 [ 40.324429][ T438] ? device_add+0xbe/0xbd0 [ 40.328818][ T438] kernfs_create_dir_ns+0x9b/0x230 [ 40.333902][ T438] sysfs_create_dir_ns+0x181/0x390 [ 40.338981][ T438] ? sysfs_warn_dup+0xa0/0xa0 [ 40.344064][ T438] kobject_add_internal+0x766/0xda0 [ 40.349233][ T438] kobject_add+0x14c/0x210 [ 40.353620][ T438] ? _raw_spin_lock+0xa3/0x1b0 [ 40.358352][ T438] ? kobject_init+0x1e0/0x1e0 [ 40.363002][ T438] ? __kasan_check_write+0x14/0x20 [ 40.368087][ T438] ? mutex_unlock+0x1d/0x40 [ 40.372564][ T438] ? get_device_parent+0x2c5/0x430 [ 40.377648][ T438] device_add+0x3ca/0xbd0 [ 40.381948][ T438] __device_add_disk+0x7c1/0x11b0 [ 40.386941][ T438] ? device_add_disk+0x40/0x40 [ 40.391676][ T438] ? vsprintf+0x40/0x40 [ 40.395800][ T438] device_add_disk+0x2a/0x40 [ 40.400359][ T438] loop_add+0x533/0x770 [ 40.404485][ T438] loop_control_ioctl+0x564/0x740 [ 40.409481][ T438] ? loop_remove+0xb0/0xb0 [ 40.413868][ T438] ? __fget_files+0x310/0x370 [ 40.418693][ T438] ? security_file_ioctl+0xb1/0xd0 [ 40.424080][ T438] ? loop_remove+0xb0/0xb0 [ 40.428476][ T438] __se_sys_ioctl+0x115/0x190 [ 40.433127][ T438] __x64_sys_ioctl+0x7b/0x90 [ 40.437695][ T438] do_syscall_64+0x34/0x70 [ 40.442082][ T438] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.447949][ T438] RIP: 0033:0x7f56c0e470e9 [ 40.452396][ 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 [ 40.472115][ T438] RSP: 002b:00007f56c0dbd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 40.480509][ T438] RAX: ffffffffffffffda RBX: 00007f56c0f59f60 RCX: 00007f56c0e470e9 [ 40.488545][ T438] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 40.497183][ T438] RBP: 00007f56c0dbd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 40.505133][ T438] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.513078][ T438] R13: 00007ffe13ed37bf R14: 00007f56c0dbd300 R15: 0000000000022000 [ 40.521332][ T438] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 40.536624][ T440] FAULT_INJECTION: forcing a failure. [ 40.536624][ T440] name failslab, interval 1, probability 0, space 0, times 0 [ 40.549532][ T440] CPU: 0 PID: 440 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 40.560296][ T440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.570330][ T440] Call Trace: [ 40.573604][ T440] dump_stack_lvl+0x1e2/0x24b [ 40.578255][ T440] ? panic+0x7d7/0x7d7 [ 40.582293][ T440] ? bfq_pos_tree_add_move+0x43e/0x43e [ 40.587731][ T440] dump_stack+0x15/0x17 [ 40.591997][ T440] should_fail+0x3c0/0x510 [ 40.596397][ T440] __should_failslab+0x9f/0xe0 [ 40.601238][ T440] should_failslab+0x9/0x20 [ 40.605763][ T440] kmem_cache_alloc+0x3f/0x300 [ 40.610508][ T440] ? __kernfs_new_node+0xdb/0x6e0 [ 40.615509][ T440] __kernfs_new_node+0xdb/0x6e0 [ 40.620338][ T440] ? stack_trace_save+0x12d/0x1f0 [ 40.625339][ T440] ? kernfs_new_node+0x170/0x170 [ 40.630272][ T440] ? stack_trace_snprint+0x100/0x100 [ 40.635540][ T440] ? dput+0x2ce/0x320 [ 40.639505][ T440] ? device_add+0xbe/0xbd0 [ 40.643900][ T440] kernfs_create_dir_ns+0x9b/0x230 [ 40.649142][ T440] sysfs_create_dir_ns+0x181/0x390 [ 40.654238][ T440] ? sysfs_warn_dup+0xa0/0xa0 [ 40.658896][ T440] kobject_add_internal+0x766/0xda0 [ 40.664077][ T440] kobject_add+0x14c/0x210 [ 40.668481][ T440] ? _raw_spin_lock+0xa3/0x1b0 [ 40.673220][ T440] ? kobject_init+0x1e0/0x1e0 [ 40.677872][ T440] ? __kasan_check_write+0x14/0x20 [ 40.682958][ T440] ? mutex_unlock+0x1d/0x40 [ 40.687438][ T440] ? get_device_parent+0x2c5/0x430 [ 40.692608][ T440] device_add+0x3ca/0xbd0 [ 40.697088][ T440] __device_add_disk+0x7c1/0x11b0 [ 40.702176][ T440] ? device_add_disk+0x40/0x40 [ 40.706924][ T440] ? vsprintf+0x40/0x40 [ 40.711055][ T440] device_add_disk+0x2a/0x40 [ 40.715628][ T440] loop_add+0x533/0x770 [ 40.719756][ T440] loop_control_ioctl+0x564/0x740 [ 40.724839][ T440] ? loop_remove+0xb0/0xb0 [ 40.729225][ T440] ? __fget_files+0x310/0x370 [ 40.734046][ T440] ? security_file_ioctl+0xb1/0xd0 [ 40.739134][ T440] ? loop_remove+0xb0/0xb0 [ 40.743518][ T440] __se_sys_ioctl+0x115/0x190 [ 40.748161][ T440] __x64_sys_ioctl+0x7b/0x90 [ 40.753161][ T440] do_syscall_64+0x34/0x70 [ 40.757550][ T440] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.763413][ T440] RIP: 0033:0x7f56c0e470e9 [ 40.767808][ 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 [ 40.787473][ T440] RSP: 002b:00007f56c0dbd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 40.795865][ T440] RAX: ffffffffffffffda RBX: 00007f56c0f59f60 RCX: 00007f56c0e470e9 [ 40.803816][ T440] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 40.811764][ T440] RBP: 00007f56c0dbd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 40.819895][ T440] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.827844][ T440] R13: 00007ffe13ed37bf R14: 00007f56c0dbd300 R15: 0000000000022000 [ 40.836132][ T440] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 40.850138][ T442] FAULT_INJECTION: forcing a failure. [ 40.850138][ T442] name failslab, interval 1, probability 0, space 0, times 0 [ 40.862960][ T442] CPU: 1 PID: 442 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 40.873697][ T442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.883955][ T442] Call Trace: [ 40.887237][ T442] dump_stack_lvl+0x1e2/0x24b [ 40.891887][ T442] ? panic+0x7d7/0x7d7 [ 40.896539][ T442] ? bfq_pos_tree_add_move+0x43e/0x43e [ 40.901973][ T442] dump_stack+0x15/0x17 [ 40.906151][ T442] should_fail+0x3c0/0x510 [ 40.910556][ T442] __should_failslab+0x9f/0xe0 [ 40.915309][ T442] should_failslab+0x9/0x20 [ 40.919792][ T442] kmem_cache_alloc+0x3f/0x300 [ 40.924534][ T442] ? __kernfs_new_node+0xdb/0x6e0 [ 40.929535][ T442] __kernfs_new_node+0xdb/0x6e0 [ 40.934369][ T442] ? stack_trace_save+0x12d/0x1f0 [ 40.939374][ T442] ? kernfs_new_node+0x170/0x170 [ 40.944289][ T442] ? stack_trace_snprint+0x100/0x100 [ 40.949552][ T442] ? dput+0x2ce/0x320 [ 40.953512][ T442] ? device_add+0xbe/0xbd0 [ 40.957903][ T442] kernfs_create_dir_ns+0x9b/0x230 [ 40.963000][ T442] sysfs_create_dir_ns+0x181/0x390 [ 40.968081][ T442] ? sysfs_warn_dup+0xa0/0xa0 [ 40.972790][ T442] kobject_add_internal+0x766/0xda0 [ 40.978071][ T442] kobject_add+0x14c/0x210 [ 40.982468][ T442] ? _raw_spin_lock+0xa3/0x1b0 [ 40.987233][ T442] ? kobject_init+0x1e0/0x1e0 [ 40.991900][ T442] ? __kasan_check_write+0x14/0x20 [ 40.997000][ T442] ? mutex_unlock+0x1d/0x40 [ 41.001492][ T442] ? get_device_parent+0x2c5/0x430 [ 41.006583][ T442] device_add+0x3ca/0xbd0 [ 41.010900][ T442] __device_add_disk+0x7c1/0x11b0 [ 41.015906][ T442] ? device_add_disk+0x40/0x40 [ 41.021167][ T442] ? vsprintf+0x40/0x40 [ 41.025297][ T442] device_add_disk+0x2a/0x40 [ 41.029954][ T442] loop_add+0x533/0x770 [ 41.034082][ T442] loop_control_ioctl+0x564/0x740 [ 41.039087][ T442] ? loop_remove+0xb0/0xb0 [ 41.043477][ T442] ? __fget_files+0x310/0x370 [ 41.048130][ T442] ? security_file_ioctl+0xb1/0xd0 [ 41.053218][ T442] ? loop_remove+0xb0/0xb0 [ 41.057616][ T442] __se_sys_ioctl+0x115/0x190 [ 41.062265][ T442] __x64_sys_ioctl+0x7b/0x90 [ 41.066827][ T442] do_syscall_64+0x34/0x70 [ 41.071216][ T442] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.077080][ T442] RIP: 0033:0x7f56c0e470e9 [ 41.081475][ 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 [ 41.101061][ T442] RSP: 002b:00007f56c0dbd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 41.109456][ T442] RAX: ffffffffffffffda RBX: 00007f56c0f59f60 RCX: 00007f56c0e470e9 [ 41.117408][ T442] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 41.125365][ T442] RBP: 00007f56c0dbd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 41.133490][ T442] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.141466][ T442] R13: 00007ffe13ed37bf R14: 00007f56c0dbd300 R15: 0000000000022000 [ 41.149603][ T442] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 41.164112][ T444] FAULT_INJECTION: forcing a failure. [ 41.164112][ T444] name failslab, interval 1, probability 0, space 0, times 0 [ 41.176777][ T444] CPU: 1 PID: 444 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 41.187516][ T444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.197551][ T444] Call Trace: [ 41.200820][ T444] dump_stack_lvl+0x1e2/0x24b [ 41.205471][ T444] ? bfq_pos_tree_add_move+0x43e/0x43e [ 41.210905][ T444] dump_stack+0x15/0x17 [ 41.215034][ T444] should_fail+0x3c0/0x510 [ 41.219423][ T444] ? __kernfs_new_node+0x99/0x6e0 [ 41.224427][ T444] __should_failslab+0x9f/0xe0 [ 41.229169][ T444] should_failslab+0x9/0x20 [ 41.233648][ T444] __kmalloc_track_caller+0x5f/0x350 [ 41.238903][ T444] ? __kernel_text_address+0x9a/0x110 [ 41.244252][ T444] ? unwind_get_return_address+0x4c/0x90 [ 41.249862][ T444] kstrdup_const+0x55/0x90 [ 41.254260][ T444] __kernfs_new_node+0x99/0x6e0 [ 41.259083][ T444] ? stack_trace_save+0x12d/0x1f0 [ 41.264166][ T444] ? kernfs_new_node+0x170/0x170 [ 41.269076][ T444] ? stack_trace_snprint+0x100/0x100 [ 41.274334][ T444] ? dput+0x2ce/0x320 [ 41.278469][ T444] ? device_add+0xbe/0xbd0 [ 41.282857][ T444] kernfs_create_dir_ns+0x9b/0x230 [ 41.287944][ T444] sysfs_create_dir_ns+0x181/0x390 [ 41.293028][ T444] ? sysfs_warn_dup+0xa0/0xa0 [ 41.297682][ T444] kobject_add_internal+0x766/0xda0 [ 41.302854][ T444] kobject_add+0x14c/0x210 [ 41.307246][ T444] ? _raw_spin_lock+0xa3/0x1b0 [ 41.312246][ T444] ? kobject_init+0x1e0/0x1e0 [ 41.316915][ T444] ? __kasan_check_write+0x14/0x20 [ 41.322085][ T444] ? mutex_unlock+0x1d/0x40 [ 41.326652][ T444] ? get_device_parent+0x2c5/0x430 [ 41.331744][ T444] device_add+0x3ca/0xbd0 [ 41.336059][ T444] __device_add_disk+0x7c1/0x11b0 [ 41.341070][ T444] ? device_add_disk+0x40/0x40 [ 41.346007][ T444] ? vsprintf+0x40/0x40 [ 41.350136][ T444] device_add_disk+0x2a/0x40 [ 41.355138][ T444] loop_add+0x533/0x770 [ 41.359270][ T444] loop_control_ioctl+0x564/0x740 [ 41.364267][ T444] ? loop_remove+0xb0/0xb0 [ 41.368664][ T444] ? __fget_files+0x310/0x370 [ 41.373330][ T444] ? security_file_ioctl+0xb1/0xd0 [ 41.378436][ T444] ? loop_remove+0xb0/0xb0 [ 41.382826][ T444] __se_sys_ioctl+0x115/0x190 [ 41.387484][ T444] __x64_sys_ioctl+0x7b/0x90 [ 41.392053][ T444] do_syscall_64+0x34/0x70 [ 41.396443][ T444] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.402307][ T444] RIP: 0033:0x7f56c0e470e9 [ 41.406697][ 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 [ 41.426278][ T444] RSP: 002b:00007f56c0dbd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 41.434662][ T444] RAX: ffffffffffffffda RBX: 00007f56c0f59f60 RCX: 00007f56c0e470e9 [ 41.442609][ T444] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 41.450571][ T444] RBP: 00007f56c0dbd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 41.458602][ T444] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.466573][ T444] R13: 00007ffe13ed37bf R14: 00007f56c0dbd300 R15: 0000000000022000 [ 41.474620][ T444] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 41.488847][ T446] FAULT_INJECTION: forcing a failure. [ 41.488847][ T446] name failslab, interval 1, probability 0, space 0, times 0 [ 41.501670][ T446] CPU: 1 PID: 446 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 41.512586][ T446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.522621][ T446] Call Trace: [ 41.525893][ T446] dump_stack_lvl+0x1e2/0x24b [ 41.530547][ T446] ? panic+0x7d7/0x7d7 [ 41.534621][ T446] ? bfq_pos_tree_add_move+0x43e/0x43e [ 41.540064][ T446] ? memcpy+0x56/0x70 [ 41.544020][ T446] dump_stack+0x15/0x17 [ 41.548204][ T446] should_fail+0x3c0/0x510 [ 41.552597][ T446] ? device_add+0xbe/0xbd0 [ 41.556989][ T446] __should_failslab+0x9f/0xe0 [ 41.561990][ T446] should_failslab+0x9/0x20 [ 41.566468][ T446] kmem_cache_alloc_trace+0x3a/0x330 [ 41.571726][ T446] ? __kasan_check_write+0x14/0x20 [ 41.576811][ T446] device_add+0xbe/0xbd0 [ 41.581032][ T446] __device_add_disk+0x7c1/0x11b0 [ 41.586032][ T446] ? device_add_disk+0x40/0x40 [ 41.590781][ T446] ? vsprintf+0x40/0x40 [ 41.595199][ T446] device_add_disk+0x2a/0x40 [ 41.599800][ T446] loop_add+0x533/0x770 [ 41.603926][ T446] loop_control_ioctl+0x564/0x740 [ 41.608934][ T446] ? loop_remove+0xb0/0xb0 [ 41.613329][ T446] ? __fget_files+0x310/0x370 [ 41.617994][ T446] ? security_file_ioctl+0xb1/0xd0 [ 41.623092][ T446] ? loop_remove+0xb0/0xb0 [ 41.627485][ T446] __se_sys_ioctl+0x115/0x190 [ 41.632142][ T446] __x64_sys_ioctl+0x7b/0x90 [ 41.636840][ T446] do_syscall_64+0x34/0x70 [ 41.641327][ T446] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.647201][ T446] RIP: 0033:0x7f56c0e470e9 [ 41.651655][ 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 [ 41.671350][ T446] RSP: 002b:00007f56c0dbd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 41.679762][ T446] RAX: ffffffffffffffda RBX: 00007f56c0f59f60 RCX: 00007f56c0e470e9 [ 41.687808][ T446] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 41.695762][ T446] RBP: 00007f56c0dbd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 41.703744][ T446] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.711783][ T446] R13: 00007ffe13ed37bf R14: 00007f56c0dbd300 R15: 0000000000022000 [ 41.727544][ T448] FAULT_INJECTION: forcing a failure. [ 41.727544][ T448] name failslab, interval 1, probability 0, space 0, times 0 [ 41.740379][ T448] CPU: 1 PID: 448 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 41.751147][ T448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.761446][ T448] Call Trace: [ 41.764721][ T448] dump_stack_lvl+0x1e2/0x24b [ 41.769388][ T448] ? bfq_pos_tree_add_move+0x43e/0x43e [ 41.774835][ T448] dump_stack+0x15/0x17 [ 41.778994][ T448] should_fail+0x3c0/0x510 [ 41.783383][ T448] ? __kernfs_new_node+0x99/0x6e0 [ 41.788403][ T448] __should_failslab+0x9f/0xe0 [ 41.793156][ T448] should_failslab+0x9/0x20 [ 41.797642][ T448] __kmalloc_track_caller+0x5f/0x350 [ 41.802897][ T448] ? __kernel_text_address+0x9a/0x110 [ 41.808243][ T448] ? unwind_get_return_address+0x4c/0x90 [ 41.813849][ T448] kstrdup_const+0x55/0x90 [ 41.818238][ T448] __kernfs_new_node+0x99/0x6e0 [ 41.823069][ T448] ? stack_trace_save+0x12d/0x1f0 [ 41.828153][ T448] ? kernfs_new_node+0x170/0x170 [ 41.833062][ T448] ? stack_trace_snprint+0x100/0x100 [ 41.838320][ T448] ? dput+0x2ce/0x320 [ 41.842282][ T448] ? device_add+0xbe/0xbd0 [ 41.846669][ T448] kernfs_create_dir_ns+0x9b/0x230 [ 41.851763][ T448] sysfs_create_dir_ns+0x181/0x390 [ 41.856844][ T448] ? sysfs_warn_dup+0xa0/0xa0 [ 41.861494][ T448] kobject_add_internal+0x766/0xda0 [ 41.866663][ T448] kobject_add+0x14c/0x210 [ 41.871053][ T448] ? _raw_spin_lock+0xa3/0x1b0 [ 41.875797][ T448] ? kobject_init+0x1e0/0x1e0 [ 41.880450][ T448] ? __kasan_check_write+0x14/0x20 [ 41.885538][ T448] ? mutex_unlock+0x1d/0x40 [ 41.890020][ T448] ? get_device_parent+0x2c5/0x430 [ 41.895296][ T448] device_add+0x3ca/0xbd0 [ 41.899602][ T448] __device_add_disk+0x7c1/0x11b0 [ 41.904629][ T448] ? device_add_disk+0x40/0x40 [ 41.909372][ T448] ? vsprintf+0x40/0x40 [ 41.913503][ T448] device_add_disk+0x2a/0x40 [ 41.918065][ T448] loop_add+0x533/0x770 [ 41.922195][ T448] loop_control_ioctl+0x564/0x740 [ 41.927362][ T448] ? loop_remove+0xb0/0xb0 [ 41.931857][ T448] ? __fget_files+0x310/0x370 [ 41.936517][ T448] ? security_file_ioctl+0xb1/0xd0 [ 41.941620][ T448] ? loop_remove+0xb0/0xb0 [ 41.946009][ T448] __se_sys_ioctl+0x115/0x190 [ 41.950657][ T448] __x64_sys_ioctl+0x7b/0x90 [ 41.955226][ T448] do_syscall_64+0x34/0x70 [ 41.959617][ T448] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.965483][ T448] RIP: 0033:0x7f56c0e470e9 [ 41.969881][ 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 [ 41.989459][ T448] RSP: 002b:00007f56c0dbd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 41.997850][ T448] RAX: ffffffffffffffda RBX: 00007f56c0f59f60 RCX: 00007f56c0e470e9 [ 42.006255][ T448] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 42.014224][ T448] RBP: 00007f56c0dbd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.022261][ T448] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.030234][ T448] R13: 00007ffe13ed37bf R14: 00007f56c0dbd300 R15: 0000000000022000 [ 42.039499][ T448] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 42.053788][ T450] FAULT_INJECTION: forcing a failure. [ 42.053788][ T450] name failslab, interval 1, probability 0, space 0, times 0 [ 42.066546][ T450] CPU: 1 PID: 450 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 42.077289][ T450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.087321][ T450] Call Trace: [ 42.090588][ T450] dump_stack_lvl+0x1e2/0x24b [ 42.095237][ T450] ? bfq_pos_tree_add_move+0x43e/0x43e [ 42.100665][ T450] dump_stack+0x15/0x17 [ 42.104792][ T450] should_fail+0x3c0/0x510 [ 42.109179][ T450] ? __kernfs_new_node+0x99/0x6e0 [ 42.114204][ T450] __should_failslab+0x9f/0xe0 [ 42.119028][ T450] should_failslab+0x9/0x20 [ 42.123505][ T450] __kmalloc_track_caller+0x5f/0x350 [ 42.128761][ T450] ? __kernel_text_address+0x9a/0x110 [ 42.134104][ T450] ? unwind_get_return_address+0x4c/0x90 [ 42.139798][ T450] kstrdup_const+0x55/0x90 [ 42.144189][ T450] __kernfs_new_node+0x99/0x6e0 [ 42.149011][ T450] ? stack_trace_save+0x12d/0x1f0 [ 42.154007][ T450] ? kernfs_new_node+0x170/0x170 [ 42.158913][ T450] ? stack_trace_snprint+0x100/0x100 [ 42.164171][ T450] ? dput+0x2ce/0x320 [ 42.168124][ T450] ? device_add+0xbe/0xbd0 [ 42.172509][ T450] kernfs_create_dir_ns+0x9b/0x230 [ 42.177591][ T450] sysfs_create_dir_ns+0x181/0x390 [ 42.182674][ T450] ? sysfs_warn_dup+0xa0/0xa0 [ 42.187323][ T450] kobject_add_internal+0x766/0xda0 [ 42.192492][ T450] kobject_add+0x14c/0x210 [ 42.196879][ T450] ? _raw_spin_lock+0xa3/0x1b0 [ 42.201708][ T450] ? kobject_init+0x1e0/0x1e0 [ 42.206360][ T450] ? __kasan_check_write+0x14/0x20 [ 42.211445][ T450] ? mutex_unlock+0x1d/0x40 [ 42.215922][ T450] ? get_device_parent+0x2c5/0x430 [ 42.221091][ T450] device_add+0x3ca/0xbd0 [ 42.225400][ T450] __device_add_disk+0x7c1/0x11b0 [ 42.230398][ T450] ? device_add_disk+0x40/0x40 [ 42.235134][ T450] ? vsprintf+0x40/0x40 [ 42.239352][ T450] device_add_disk+0x2a/0x40 [ 42.243920][ T450] loop_add+0x533/0x770 [ 42.248057][ T450] loop_control_ioctl+0x564/0x740 [ 42.253050][ T450] ? loop_remove+0xb0/0xb0 [ 42.257440][ T450] ? __fget_files+0x310/0x370 [ 42.262086][ T450] ? security_file_ioctl+0xb1/0xd0 [ 42.267233][ T450] ? loop_remove+0xb0/0xb0 [ 42.271621][ T450] __se_sys_ioctl+0x115/0x190 [ 42.276277][ T450] __x64_sys_ioctl+0x7b/0x90 [ 42.280838][ T450] do_syscall_64+0x34/0x70 [ 42.285226][ T450] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.291099][ T450] RIP: 0033:0x7f56c0e470e9 [ 42.295489][ 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 [ 42.315256][ T450] RSP: 002b:00007f56c0dbd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.323833][ T450] RAX: ffffffffffffffda RBX: 00007f56c0f59f60 RCX: 00007f56c0e470e9 [ 42.331780][ T450] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 42.339734][ T450] RBP: 00007f56c0dbd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.347690][ T450] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.355637][ T450] R13: 00007ffe13ed37bf R14: 00007f56c0dbd300 R15: 0000000000022000 [ 42.364083][ T450] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 42.378332][ T452] FAULT_INJECTION: forcing a failure. [ 42.378332][ T452] name failslab, interval 1, probability 0, space 0, times 0 [ 42.390956][ T452] CPU: 0 PID: 452 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 42.401773][ T452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.411808][ T452] Call Trace: [ 42.415081][ T452] dump_stack_lvl+0x1e2/0x24b [ 42.419729][ T452] ? panic+0x7d7/0x7d7 [ 42.423778][ T452] ? bfq_pos_tree_add_move+0x43e/0x43e [ 42.429216][ T452] ? __kasan_kmalloc+0x9/0x10 [ 42.433870][ T452] ? kobj_map+0x72/0x6f0 [ 42.438087][ T452] ? __device_add_disk+0x6e0/0x11b0 [ 42.443271][ T452] ? device_add_disk+0x2a/0x40 [ 42.448085][ T452] ? loop_control_ioctl+0x564/0x740 [ 42.453262][ T452] ? __se_sys_ioctl+0x115/0x190 [ 42.458090][ T452] ? __x64_sys_ioctl+0x7b/0x90 [ 42.462833][ T452] dump_stack+0x15/0x17 [ 42.466978][ T452] should_fail+0x3c0/0x510 [ 42.471370][ T452] ? kvasprintf_const+0x139/0x180 [ 42.476376][ T452] __should_failslab+0x9f/0xe0 [ 42.481112][ T452] should_failslab+0x9/0x20 [ 42.485595][ T452] __kmalloc_track_caller+0x5f/0x350 [ 42.490855][ T452] kstrdup_const+0x55/0x90 [ 42.495244][ T452] kvasprintf_const+0x139/0x180 [ 42.500079][ T452] kobject_set_name_vargs+0x61/0x120 [ 42.505365][ T452] dev_set_name+0xd1/0x120 [ 42.509771][ T452] ? __kmalloc+0x1f7/0x360 [ 42.514162][ T452] ? get_device+0x30/0x30 [ 42.518465][ T452] ? kobj_map+0x6ad/0x6f0 [ 42.522770][ T452] __device_add_disk+0x733/0x11b0 [ 42.527771][ T452] ? device_add_disk+0x40/0x40 [ 42.533131][ T452] ? vsprintf+0x40/0x40 [ 42.537266][ T452] device_add_disk+0x2a/0x40 [ 42.541833][ T452] loop_add+0x533/0x770 [ 42.545973][ T452] loop_control_ioctl+0x564/0x740 [ 42.550969][ T452] ? loop_remove+0xb0/0xb0 [ 42.555362][ T452] ? __fget_files+0x310/0x370 [ 42.560010][ T452] ? security_file_ioctl+0xb1/0xd0 [ 42.565114][ T452] ? loop_remove+0xb0/0xb0 [ 42.569512][ T452] __se_sys_ioctl+0x115/0x190 [ 42.574164][ T452] __x64_sys_ioctl+0x7b/0x90 [ 42.578728][ T452] do_syscall_64+0x34/0x70 [ 42.583119][ T452] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.588988][ T452] RIP: 0033:0x7f56c0e470e9 [ 42.593406][ 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 [ 42.612987][ T452] RSP: 002b:00007f56c0dbd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.621463][ T452] RAX: ffffffffffffffda RBX: 00007f56c0f59f60 RCX: 00007f56c0e470e9 [ 42.629497][ T452] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 42.637444][ T452] RBP: 00007f56c0dbd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.645390][ T452] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.653361][ T452] R13: 00007ffe13ed37bf R14: 00007f56c0dbd300 R15: 0000000000022000 [ 42.670095][ T454] FAULT_INJECTION: forcing a failure. [ 42.670095][ T454] name failslab, interval 1, probability 0, space 0, times 0 [ 42.682768][ T454] CPU: 1 PID: 454 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 42.693586][ T454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.703706][ T454] Call Trace: [ 42.706979][ T454] dump_stack_lvl+0x1e2/0x24b [ 42.711720][ T454] ? panic+0x7d7/0x7d7 [ 42.715938][ T454] ? bfq_pos_tree_add_move+0x43e/0x43e [ 42.721378][ T454] ? __kasan_kmalloc+0x9/0x10 [ 42.726047][ T454] ? kobj_map+0x72/0x6f0 [ 42.730273][ T454] ? __device_add_disk+0x6e0/0x11b0 [ 42.735448][ T454] ? device_add_disk+0x2a/0x40 [ 42.740192][ T454] ? loop_control_ioctl+0x564/0x740 [ 42.745481][ T454] ? __se_sys_ioctl+0x115/0x190 [ 42.750307][ T454] ? __x64_sys_ioctl+0x7b/0x90 [ 42.755046][ T454] dump_stack+0x15/0x17 [ 42.759188][ T454] should_fail+0x3c0/0x510 [ 42.763586][ T454] ? kvasprintf_const+0x139/0x180 [ 42.768594][ T454] __should_failslab+0x9f/0xe0 [ 42.773338][ T454] should_failslab+0x9/0x20 [ 42.777823][ T454] __kmalloc_track_caller+0x5f/0x350 [ 42.783085][ T454] kstrdup_const+0x55/0x90 [ 42.787476][ T454] kvasprintf_const+0x139/0x180 [ 42.792303][ T454] kobject_set_name_vargs+0x61/0x120 [ 42.797573][ T454] dev_set_name+0xd1/0x120 [ 42.801966][ T454] ? __kmalloc+0x1f7/0x360 [ 42.806357][ T454] ? get_device+0x30/0x30 [ 42.810660][ T454] ? kobj_map+0x6ad/0x6f0 [ 42.814969][ T454] __device_add_disk+0x733/0x11b0 [ 42.819973][ T454] ? device_add_disk+0x40/0x40 [ 42.824714][ T454] ? vsprintf+0x40/0x40 [ 42.828861][ T454] device_add_disk+0x2a/0x40 [ 42.833435][ T454] loop_add+0x533/0x770 [ 42.837568][ T454] loop_control_ioctl+0x564/0x740 [ 42.842574][ T454] ? loop_remove+0xb0/0xb0 [ 42.846992][ T454] ? __fget_files+0x310/0x370 [ 42.851658][ T454] ? security_file_ioctl+0xb1/0xd0 [ 42.856747][ T454] ? loop_remove+0xb0/0xb0 [ 42.861139][ T454] __se_sys_ioctl+0x115/0x190 [ 42.865789][ T454] __x64_sys_ioctl+0x7b/0x90 [ 42.870354][ T454] do_syscall_64+0x34/0x70 [ 42.874746][ T454] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.880636][ T454] RIP: 0033:0x7f56c0e470e9 [ 42.885032][ 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 [ 42.904623][ T454] RSP: 002b:00007f56c0dbd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.913023][ T454] RAX: ffffffffffffffda RBX: 00007f56c0f59f60 RCX: 00007f56c0e470e9 [ 42.920976][ T454] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 42.928926][ T454] RBP: 00007f56c0dbd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.936980][ T454] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 2022/05/26 06:33:48 executed programs: 16 [ 42.945109][ T454] R13: 00007ffe13ed37bf R14: 00007f56c0dbd300 R15: 0000000000022000 [ 42.959403][ T456] FAULT_INJECTION: forcing a failure. [ 42.959403][ T456] name failslab, interval 1, probability 0, space 0, times 0 [ 42.972514][ T456] CPU: 1 PID: 456 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 42.983252][ T456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.993283][ T456] Call Trace: [ 42.996555][ T456] dump_stack_lvl+0x1e2/0x24b [ 43.001210][ T456] ? panic+0x7d7/0x7d7 [ 43.005357][ T456] ? bfq_pos_tree_add_move+0x43e/0x43e [ 43.010802][ T456] ? memcpy+0x56/0x70 [ 43.014766][ T456] dump_stack+0x15/0x17 [ 43.018905][ T456] should_fail+0x3c0/0x510 [ 43.023297][ T456] ? device_add+0xbe/0xbd0 [ 43.027686][ T456] __should_failslab+0x9f/0xe0 [ 43.032424][ T456] should_failslab+0x9/0x20 [ 43.036901][ T456] kmem_cache_alloc_trace+0x3a/0x330 [ 43.042162][ T456] ? __kasan_check_write+0x14/0x20 [ 43.047249][ T456] device_add+0xbe/0xbd0 [ 43.051468][ T456] __device_add_disk+0x7c1/0x11b0 [ 43.056491][ T456] ? device_add_disk+0x40/0x40 [ 43.061231][ T456] ? vsprintf+0x40/0x40 [ 43.065361][ T456] device_add_disk+0x2a/0x40 [ 43.069942][ T456] loop_add+0x533/0x770 [ 43.074078][ T456] loop_control_ioctl+0x564/0x740 [ 43.079081][ T456] ? loop_remove+0xb0/0xb0 [ 43.083469][ T456] ? __fget_files+0x310/0x370 [ 43.088135][ T456] ? security_file_ioctl+0xb1/0xd0 [ 43.093227][ T456] ? loop_remove+0xb0/0xb0 [ 43.097620][ T456] __se_sys_ioctl+0x115/0x190 [ 43.102355][ T456] __x64_sys_ioctl+0x7b/0x90 [ 43.106917][ T456] do_syscall_64+0x34/0x70 [ 43.111417][ T456] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.117296][ T456] RIP: 0033:0x7f56c0e470e9 [ 43.121685][ 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 [ 43.141362][ T456] RSP: 002b:00007f56c0dbd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.149920][ T456] RAX: ffffffffffffffda RBX: 00007f56c0f59f60 RCX: 00007f56c0e470e9 [ 43.158040][ T456] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 43.165993][ T456] RBP: 00007f56c0dbd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.173937][ T456] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.181890][ T456] R13: 00007ffe13ed37bf R14: 00007f56c0dbd300 R15: 0000000000022000 [ 43.196823][ T458] FAULT_INJECTION: forcing a failure. [ 43.196823][ T458] name failslab, interval 1, probability 0, space 0, times 0 [ 43.209584][ T458] CPU: 0 PID: 458 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 43.220332][ T458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.230363][ T458] Call Trace: [ 43.233628][ T458] dump_stack_lvl+0x1e2/0x24b [ 43.238280][ T458] ? bfq_pos_tree_add_move+0x43e/0x43e [ 43.243711][ T458] dump_stack+0x15/0x17 [ 43.247841][ T458] should_fail+0x3c0/0x510 [ 43.252230][ T458] ? __kernfs_new_node+0x99/0x6e0 [ 43.257231][ T458] __should_failslab+0x9f/0xe0 [ 43.261971][ T458] should_failslab+0x9/0x20 [ 43.266451][ T458] __kmalloc_track_caller+0x5f/0x350 [ 43.271796][ T458] ? __kernel_text_address+0x9a/0x110 [ 43.277141][ T458] ? unwind_get_return_address+0x4c/0x90 [ 43.282747][ T458] kstrdup_const+0x55/0x90 [ 43.287150][ T458] __kernfs_new_node+0x99/0x6e0 [ 43.291980][ T458] ? stack_trace_save+0x12d/0x1f0 [ 43.296987][ T458] ? kernfs_new_node+0x170/0x170 [ 43.302017][ T458] ? stack_trace_snprint+0x100/0x100 [ 43.307307][ T458] ? dput+0x2ce/0x320 [ 43.311275][ T458] ? device_add+0xbe/0xbd0 [ 43.315674][ T458] kernfs_create_dir_ns+0x9b/0x230 [ 43.320771][ T458] sysfs_create_dir_ns+0x181/0x390 [ 43.325862][ T458] ? sysfs_warn_dup+0xa0/0xa0 [ 43.330518][ T458] kobject_add_internal+0x766/0xda0 [ 43.335700][ T458] kobject_add+0x14c/0x210 [ 43.340095][ T458] ? _raw_spin_lock+0xa3/0x1b0 [ 43.344930][ T458] ? kobject_init+0x1e0/0x1e0 [ 43.349695][ T458] ? __kasan_check_write+0x14/0x20 [ 43.354871][ T458] ? mutex_unlock+0x1d/0x40 [ 43.359353][ T458] ? get_device_parent+0x2c5/0x430 [ 43.364435][ T458] device_add+0x3ca/0xbd0 [ 43.368738][ T458] __device_add_disk+0x7c1/0x11b0 [ 43.373734][ T458] ? device_add_disk+0x40/0x40 [ 43.378467][ T458] ? vsprintf+0x40/0x40 [ 43.382601][ T458] device_add_disk+0x2a/0x40 [ 43.387166][ T458] loop_add+0x533/0x770 [ 43.391295][ T458] loop_control_ioctl+0x564/0x740 [ 43.396293][ T458] ? loop_remove+0xb0/0xb0 [ 43.400683][ T458] ? __fget_files+0x310/0x370 [ 43.405359][ T458] ? security_file_ioctl+0xb1/0xd0 [ 43.410447][ T458] ? loop_remove+0xb0/0xb0 [ 43.414835][ T458] __se_sys_ioctl+0x115/0x190 [ 43.419485][ T458] __x64_sys_ioctl+0x7b/0x90 [ 43.424050][ T458] do_syscall_64+0x34/0x70 [ 43.428527][ T458] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.434408][ T458] RIP: 0033:0x7f56c0e470e9 [ 43.438798][ 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 [ 43.458380][ T458] RSP: 002b:00007f56c0dbd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.466785][ T458] RAX: ffffffffffffffda RBX: 00007f56c0f59f60 RCX: 00007f56c0e470e9 [ 43.474742][ T458] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 43.482702][ T458] RBP: 00007f56c0dbd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.490668][ T458] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.498632][ T458] R13: 00007ffe13ed37bf R14: 00007f56c0dbd300 R15: 0000000000022000 [ 43.507236][ T458] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 43.520539][ T460] FAULT_INJECTION: forcing a failure. [ 43.520539][ T460] name failslab, interval 1, probability 0, space 0, times 0 [ 43.533179][ T460] CPU: 1 PID: 460 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 43.544082][ T460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.554202][ T460] Call Trace: [ 43.557471][ T460] dump_stack_lvl+0x1e2/0x24b [ 43.562138][ T460] ? panic+0x7d7/0x7d7 [ 43.566179][ T460] ? bfq_pos_tree_add_move+0x43e/0x43e [ 43.571610][ T460] ? memcpy+0x56/0x70 [ 43.575569][ T460] dump_stack+0x15/0x17 [ 43.579706][ T460] should_fail+0x3c0/0x510 [ 43.584096][ T460] ? device_add+0xbe/0xbd0 [ 43.588494][ T460] __should_failslab+0x9f/0xe0 [ 43.593242][ T460] should_failslab+0x9/0x20 [ 43.597729][ T460] kmem_cache_alloc_trace+0x3a/0x330 [ 43.602992][ T460] ? __kasan_check_write+0x14/0x20 [ 43.608087][ T460] device_add+0xbe/0xbd0 [ 43.612309][ T460] __device_add_disk+0x7c1/0x11b0 [ 43.617311][ T460] ? device_add_disk+0x40/0x40 [ 43.622334][ T460] ? vsprintf+0x40/0x40 [ 43.626476][ T460] device_add_disk+0x2a/0x40 [ 43.631061][ T460] loop_add+0x533/0x770 [ 43.635209][ T460] loop_control_ioctl+0x564/0x740 [ 43.640208][ T460] ? loop_remove+0xb0/0xb0 [ 43.644605][ T460] ? __fget_files+0x310/0x370 [ 43.649257][ T460] ? security_file_ioctl+0xb1/0xd0 [ 43.654346][ T460] ? loop_remove+0xb0/0xb0 [ 43.658744][ T460] __se_sys_ioctl+0x115/0x190 [ 43.663401][ T460] __x64_sys_ioctl+0x7b/0x90 [ 43.668060][ T460] do_syscall_64+0x34/0x70 [ 43.672462][ T460] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.678336][ T460] RIP: 0033:0x7f56c0e470e9 [ 43.682723][ 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 [ 43.702307][ T460] RSP: 002b:00007f56c0dbd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.710806][ T460] RAX: ffffffffffffffda RBX: 00007f56c0f59f60 RCX: 00007f56c0e470e9 [ 43.718759][ T460] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 43.726971][ T460] RBP: 00007f56c0dbd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.734919][ T460] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.742875][ T460] R13: 00007ffe13ed37bf R14: 00007f56c0dbd300 R15: 0000000000022000 [ 43.756886][ T462] FAULT_INJECTION: forcing a failure. [ 43.756886][ T462] name failslab, interval 1, probability 0, space 0, times 0 [ 43.769536][ T462] CPU: 1 PID: 462 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 43.780393][ T462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.790426][ T462] Call Trace: [ 43.793703][ T462] dump_stack_lvl+0x1e2/0x24b [ 43.798356][ T462] ? panic+0x7d7/0x7d7 [ 43.802445][ T462] ? bfq_pos_tree_add_move+0x43e/0x43e [ 43.807880][ T462] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 43.812876][ T462] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 43.818048][ T462] dump_stack+0x15/0x17 [ 43.822176][ T462] should_fail+0x3c0/0x510 [ 43.826571][ T462] ? kobj_map+0x72/0x6f0 [ 43.830841][ T462] __should_failslab+0x9f/0xe0 [ 43.835589][ T462] should_failslab+0x9/0x20 [ 43.840080][ T462] __kmalloc+0x60/0x360 [ 43.844231][ T462] ? __device_add_disk+0x585/0x11b0 [ 43.849413][ T462] kobj_map+0x72/0x6f0 [ 43.853465][ T462] ? exact_match+0x20/0x20 [ 43.857856][ T462] ? bdev_check_media_change+0x4c0/0x4c0 [ 43.863463][ T462] __device_add_disk+0x6e0/0x11b0 [ 43.868551][ T462] ? device_add_disk+0x40/0x40 [ 43.873287][ T462] ? vsprintf+0x40/0x40 [ 43.877509][ T462] device_add_disk+0x2a/0x40 [ 43.882091][ T462] loop_add+0x533/0x770 [ 43.886232][ T462] loop_control_ioctl+0x564/0x740 [ 43.891242][ T462] ? loop_remove+0xb0/0xb0 [ 43.895635][ T462] ? __fget_files+0x310/0x370 [ 43.900292][ T462] ? security_file_ioctl+0xb1/0xd0 [ 43.905381][ T462] ? loop_remove+0xb0/0xb0 [ 43.909773][ T462] __se_sys_ioctl+0x115/0x190 [ 43.914423][ T462] __x64_sys_ioctl+0x7b/0x90 [ 43.918987][ T462] do_syscall_64+0x34/0x70 [ 43.923815][ T462] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.929679][ T462] RIP: 0033:0x7f56c0e470e9 [ 43.934070][ 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 [ 43.953655][ T462] RSP: 002b:00007f56c0dbd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.962043][ T462] RAX: ffffffffffffffda RBX: 00007f56c0f59f60 RCX: 00007f56c0e470e9 [ 43.970174][ T462] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 43.978124][ T462] RBP: 00007f56c0dbd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.986079][ T462] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.994026][ T462] R13: 00007ffe13ed37bf R14: 00007f56c0dbd300 R15: 0000000000022000 [ 44.004387][ T426] ================================================================== [ 44.006609][ T23] audit: type=1400 audit(1653546829.369:158): avc: denied { read write } for pid=417 comm="syz-executor.0" name="loop0" dev="devtmpfs" ino=366 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=blk_file permissive=1 [ 44.012474][ T426] BUG: KASAN: use-after-free in lo_open+0x93/0xc0 [ 44.035970][ T23] audit: type=1400 audit(1653546829.369:159): avc: denied { open } for pid=417 comm="syz-executor.0" path="/dev/loop0" dev="devtmpfs" ino=366 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=blk_file permissive=1 [ 44.042196][ T426] Write of size 4 at addr ffff88810ec98004 by task udevd/426 [ 44.066553][ T23] audit: type=1400 audit(1653546829.369:160): avc: denied { remove_name } for pid=142 comm="syslogd" name="messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 44.072759][ T426] [ 44.095171][ T23] audit: type=1400 audit(1653546829.369:161): avc: denied { rename } for pid=142 comm="syslogd" name="messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 44.097437][ T426] CPU: 0 PID: 426 Comm: udevd Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 44.119829][ T23] audit: type=1400 audit(1653546829.369:162): avc: denied { create } for pid=142 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 44.129480][ T426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.129485][ T426] Call Trace: [ 44.129504][ T426] dump_stack_lvl+0x1e2/0x24b [ 44.129514][ T426] ? bfq_pos_tree_add_move+0x43e/0x43e [ 44.129530][ T426] ? panic+0x7d7/0x7d7 [ 44.177807][ T426] ? mutex_lock+0xa6/0x110 [ 44.182199][ T426] print_address_description+0x81/0x3c0 [ 44.187717][ T426] kasan_report+0x1a4/0x1f0 [ 44.192193][ T426] ? lo_open+0x93/0xc0 [ 44.196233][ T426] ? lo_open+0x93/0xc0 [ 44.200272][ T426] kasan_check_range+0x2aa/0x2e0 [ 44.205186][ T426] __kasan_check_write+0x14/0x20 [ 44.210105][ T426] lo_open+0x93/0xc0 [ 44.213973][ T426] __blkdev_get+0x599/0x1360 [ 44.218539][ T426] ? bdev_test+0xa0/0xa0 [ 44.222753][ T426] ? blkdev_bio_end_io+0x470/0x470 [ 44.227837][ T426] ? selinux_file_receive+0x140/0x140 [ 44.233271][ T426] blkdev_open+0x21a/0x450 [ 44.237661][ T426] ? block_ioctl+0xf0/0xf0 [ 44.242085][ T426] do_dentry_open+0x7a2/0x1090 [ 44.246925][ T426] vfs_open+0x73/0x80 [ 44.250877][ T426] path_openat+0x2638/0x2fd0 [ 44.255786][ T426] ? __this_cpu_preempt_check+0x13/0x20 [ 44.261302][ T426] ? __kasan_slab_alloc+0xb2/0xe0 [ 44.266303][ T426] ? do_filp_open+0x440/0x440 [ 44.270955][ T426] do_filp_open+0x200/0x440 [ 44.275527][ T426] ? vfs_tmpfile+0x230/0x230 [ 44.280099][ T426] ? get_unused_fd_flags+0x95/0xa0 [ 44.285190][ T426] do_sys_openat2+0x13b/0x470 [ 44.289838][ T426] ? do_sys_open+0x220/0x220 [ 44.294410][ T426] ? asm_sysvec_apic_timer_interrupt+0xa/0x20 [ 44.300447][ T426] ? kvm_sched_clock_read+0x18/0x40 [ 44.305616][ T426] __x64_sys_openat+0x243/0x290 [ 44.310532][ T426] ? __ia32_sys_open+0x270/0x270 [ 44.315446][ T426] ? debug_smp_processor_id+0x17/0x20 [ 44.320797][ T426] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 44.326879][ T426] ? asm_sysvec_apic_timer_interrupt+0xa/0x20 [ 44.332915][ T426] ? irqentry_exit_to_user_mode+0x30/0x80 [ 44.338710][ T426] do_syscall_64+0x34/0x70 [ 44.343115][ T426] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.349082][ T426] RIP: 0033:0x7f966d0e3697 [ 44.353475][ T426] 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 [ 44.373157][ T426] RSP: 002b:00007ffe5994ef10 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 44.381547][ T426] RAX: ffffffffffffffda RBX: 00005589d5104590 RCX: 00007f966d0e3697 [ 44.389491][ T426] RDX: 00000000000a0800 RSI: 00005589d50fd4a0 RDI: 00000000ffffff9c [ 44.397435][ T426] RBP: 00005589d50fd4a0 R08: 00000000ffffffff R09: 00007ffe599e90b8 [ 44.405376][ T426] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000a0800 [ 44.413320][ T426] R13: 00005589d5112970 R14: 0000000000000001 R15: 00005589d50d42c0 [ 44.421264][ T426] [ 44.423568][ T426] Allocated by task 460: [ 44.427790][ T426] ____kasan_kmalloc+0xdc/0x110 [ 44.432618][ T426] __kasan_kmalloc+0x9/0x10 [ 44.437093][ T426] kmem_cache_alloc_trace+0x1dd/0x330 [ 44.442435][ T426] loop_add+0x5a/0x770 [ 44.446474][ T426] loop_control_ioctl+0x564/0x740 [ 44.451580][ T426] __se_sys_ioctl+0x115/0x190 [ 44.456230][ T426] __x64_sys_ioctl+0x7b/0x90 [ 44.460793][ T426] do_syscall_64+0x34/0x70 [ 44.465178][ T426] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.471728][ T426] [ 44.474026][ T426] Freed by task 460: [ 44.477890][ T426] kasan_set_track+0x4c/0x80 [ 44.482450][ T426] kasan_set_free_info+0x23/0x40 [ 44.487356][ T426] ____kasan_slab_free+0x121/0x160 [ 44.492453][ T426] __kasan_slab_free+0x11/0x20 [ 44.497198][ T426] slab_free_freelist_hook+0xcc/0x1a0 [ 44.502549][ T426] kfree+0xc3/0x290 [ 44.506335][ T426] loop_add+0x591/0x770 [ 44.510468][ T426] loop_control_ioctl+0x564/0x740 [ 44.515480][ T426] __se_sys_ioctl+0x115/0x190 [ 44.520141][ T426] __x64_sys_ioctl+0x7b/0x90 [ 44.524712][ T426] do_syscall_64+0x34/0x70 [ 44.529105][ T426] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.534966][ T426] [ 44.537280][ T426] The buggy address belongs to the object at ffff88810ec98000 [ 44.537280][ T426] which belongs to the cache kmalloc-1k of size 1024 [ 44.551324][ T426] The buggy address is located 4 bytes inside of [ 44.551324][ T426] 1024-byte region [ffff88810ec98000, ffff88810ec98400) [ 44.564601][ T426] The buggy address belongs to the page: [ 44.570221][ T426] page:ffffea00043b2600 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10ec98 [ 44.580447][ T426] head:ffffea00043b2600 order:3 compound_mapcount:0 compound_pincount:0 [ 44.588760][ T426] flags: 0x8000000000010200(slab|head) [ 44.594218][ T426] raw: 8000000000010200 dead000000000100 dead000000000122 ffff888100042f00 [ 44.603131][ T426] raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000 [ 44.611692][ T426] page dumped because: kasan: bad access detected [ 44.618076][ T426] page_owner tracks the page as allocated [ 44.623775][ T426] page last allocated via order 3, migratetype Unmovable, gfp_mask 0x1d2000(__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 456, ts 42959091328, free_ts 42665339927 [ 44.642682][ T426] get_page_from_freelist+0x745/0x760 [ 44.648031][ T426] __alloc_pages_nodemask+0x3b6/0x890 [ 44.653721][ T426] allocate_slab+0x78/0x540 [ 44.658197][ T426] ___slab_alloc+0x131/0x2e0 [ 44.662759][ T426] __slab_alloc+0x63/0xa0 [ 44.667059][ T426] __kmalloc+0x24f/0x360 [ 44.671280][ T426] blk_mq_alloc_rq_map+0xa2/0x190 [ 44.676277][ T426] blk_mq_alloc_map_and_requests+0x12e/0x7d0 [ 44.682243][ T426] blk_mq_alloc_tag_set+0x662/0xd40 [ 44.687423][ T426] loop_add+0x241/0x770 [ 44.691555][ T426] loop_control_ioctl+0x564/0x740 [ 44.696671][ T426] __se_sys_ioctl+0x115/0x190 [ 44.701323][ T426] __x64_sys_ioctl+0x7b/0x90 [ 44.706010][ T426] do_syscall_64+0x34/0x70 [ 44.710403][ T426] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.716267][ T426] page last free stack trace: [ 44.720919][ T426] __free_pages_ok+0x7f8/0x830 [ 44.725653][ T426] __free_pages+0x2d2/0x4c0 [ 44.730132][ T426] __free_slab+0xd3/0x190 [ 44.734434][ T426] unfreeze_partials+0x17d/0x1b0 [ 44.739343][ T426] put_cpu_partial+0xc8/0x190 [ 44.744085][ T426] __slab_free+0x2d8/0x3a0 [ 44.748470][ T426] ___cache_free+0x11f/0x140 [ 44.753030][ T426] qlink_free+0x38/0x40 [ 44.757248][ T426] qlist_free_all+0x4c/0xc0 [ 44.761733][ T426] kasan_quarantine_reduce+0x15a/0x170 [ 44.767164][ T426] __kasan_slab_alloc+0x2f/0xe0 [ 44.771985][ T426] kmem_cache_alloc+0x16c/0x300 [ 44.776806][ T426] getname_flags+0xba/0x510 [ 44.781297][ T426] user_path_at_empty+0x2d/0x50 [ 44.786120][ T426] __x64_sys_umount+0xf0/0x170 [ 44.790855][ T426] do_syscall_64+0x34/0x70 [ 44.795237][ T426] [ 44.797536][ T426] Memory state around the buggy address: [ 44.803143][ T426] ffff88810ec97f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 44.811184][ T426] ffff88810ec97f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 44.819214][ T426] >ffff88810ec98000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 44.828312][ T426] ^ [ 44.832359][ T426] ffff88810ec98080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 44.840393][ T426] ffff88810ec98100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 44.848426][ T426] ================================================================== [ 44.856806][ T426] Disabling lock debugging due to kernel taint [ 44.864336][ T426] ------------[ cut here ]------------ [ 44.869879][ T426] refcount_t: addition on 0; use-after-free. [ 44.875958][ T426] WARNING: CPU: 0 PID: 426 at lib/refcount.c:25 refcount_warn_saturate+0x147/0x1b0 [ 44.885399][ T426] Modules linked in: [ 44.889281][ T426] CPU: 0 PID: 426 Comm: udevd Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 44.900824][ T426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.910891][ T426] RIP: 0010:refcount_warn_saturate+0x147/0x1b0 [ 44.917041][ T426] Code: c7 e0 be 43 85 31 c0 e8 57 22 f2 fe 0f 0b eb a1 e8 ee e7 1f ff c6 05 7a 6c 0f 04 01 48 c7 c7 60 bf 43 85 31 c0 e8 39 22 f2 fe <0f> 0b eb 83 e8 d0 e7 1f ff c6 05 5d 6c 0f 04 01 48 c7 c7 c0 bf 43 [ 44.936745][ T426] RSP: 0018:ffffc90000d37670 EFLAGS: 00010246 [ 44.942878][ T426] RAX: 17664f3077409100 RBX: 0000000000000002 RCX: ffff8881065b4f00 [ 44.950884][ T426] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 44.958862][ T426] RBP: ffffc90000d37680 R08: ffffffff8153a998 R09: ffffed103ee4a5d8 [ 44.966867][ T426] R10: ffffed103ee4a5d8 R11: 1ffff1103ee4a5d7 R12: dffffc0000000000 [ 44.974849][ T426] R13: ffff88810ed96000 R14: 0000000000000002 R15: ffff88810ed96000 [ 44.982812][ T426] FS: 00007f966cf8c840(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 44.991861][ T426] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.998594][ T426] CR2: 00007f56c0f5b090 CR3: 000000010d77d000 CR4: 00000000003506b0 [ 45.006762][ T426] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.014743][ T426] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.022737][ T426] Call Trace: [ 45.026171][ T426] bdi_get+0x83/0x90 [ 45.030099][ T426] __blkdev_get+0x120c/0x1360 [ 45.034797][ T426] ? bdev_test+0xa0/0xa0 [ 45.039026][ T426] ? blkdev_bio_end_io+0x470/0x470 [ 45.044148][ T426] ? selinux_file_receive+0x140/0x140 [ 45.049572][ T426] blkdev_open+0x21a/0x450 [ 45.054020][ T426] ? block_ioctl+0xf0/0xf0 [ 45.058432][ T426] do_dentry_open+0x7a2/0x1090 [ 45.063219][ T426] vfs_open+0x73/0x80 [ 45.067186][ T426] path_openat+0x2638/0x2fd0 [ 45.071762][ T426] ? __this_cpu_preempt_check+0x13/0x20 [ 45.077332][ T426] ? __kasan_slab_alloc+0xb2/0xe0 [ 45.082345][ T426] ? do_filp_open+0x440/0x440 [ 45.087137][ T426] do_filp_open+0x200/0x440 [ 45.091726][ T426] ? vfs_tmpfile+0x230/0x230 [ 45.096354][ T426] ? get_unused_fd_flags+0x95/0xa0 [ 45.101452][ T426] do_sys_openat2+0x13b/0x470 [ 45.106137][ T426] ? do_sys_open+0x220/0x220 [ 45.110717][ T426] ? asm_sysvec_apic_timer_interrupt+0xa/0x20 [ 45.116889][ T426] ? kvm_sched_clock_read+0x18/0x40 [ 45.122332][ T426] __x64_sys_openat+0x243/0x290 [ 45.127221][ T426] ? __ia32_sys_open+0x270/0x270 [ 45.132158][ T426] ? debug_smp_processor_id+0x17/0x20 [ 45.137550][ T426] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 45.143640][ T426] ? asm_sysvec_apic_timer_interrupt+0xa/0x20 [ 45.149682][ T426] ? irqentry_exit_to_user_mode+0x30/0x80 [ 45.155426][ T426] do_syscall_64+0x34/0x70 [ 45.159830][ T426] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.165739][ T426] RIP: 0033:0x7f966d0e3697 [ 45.170140][ T426] 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 [ 45.189810][ T426] RSP: 002b:00007ffe5994ef10 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 45.198235][ T426] RAX: ffffffffffffffda RBX: 00005589d5104590 RCX: 00007f966d0e3697 [ 45.206235][ T426] RDX: 00000000000a0800 RSI: 00005589d50fd4a0 RDI: 00000000ffffff9c [ 45.214204][ T426] RBP: 00005589d50fd4a0 R08: 00000000ffffffff R09: 00007ffe599e90b8 [ 45.222251][ T426] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000a0800 [ 45.230230][ T426] R13: 00005589d5112970 R14: 0000000000000001 R15: 00005589d50d42c0 [ 45.238205][ T426] ---[ end trace c7267627e521d031 ]--- [ 45.245288][ T23] audit: type=1400 audit(1653546830.609:163): avc: denied { ioctl } for pid=417 comm="syz-executor.0" path="/dev/loop0" dev="devtmpfs" ino=366 ioctlcmd=0x4c01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=blk_file permissive=1 [ 45.270342][ T21] ------------[ cut here ]------------ [ 45.275811][ T21] refcount_t: underflow; use-after-free. [ 45.281475][ T21] WARNING: CPU: 0 PID: 21 at lib/refcount.c:28 refcount_warn_saturate+0x165/0x1b0 [ 45.290724][ T21] Modules linked in: [ 45.294859][ T21] CPU: 0 PID: 21 Comm: kdevtmpfs Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 45.306881][ T21] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.317052][ T21] RIP: 0010:refcount_warn_saturate+0x165/0x1b0 [ 45.323273][ T21] Code: c7 60 bf 43 85 31 c0 e8 39 22 f2 fe 0f 0b eb 83 e8 d0 e7 1f ff c6 05 5d 6c 0f 04 01 48 c7 c7 c0 bf 43 85 31 c0 e8 1b 22 f2 fe <0f> 0b e9 62 ff ff ff e8 af e7 1f ff c6 05 3d 6c 0f 04 01 48 c7 c7 [ 45.343113][ T21] RSP: 0018:ffffc9000016f890 EFLAGS: 00010246 [ 45.349201][ T21] RAX: cc93dacc0c66c200 RBX: 0000000000000003 RCX: ffff8881002d13c0 [ 45.357382][ T21] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 45.365376][ T21] RBP: ffffc9000016f8a0 R08: ffffffff8153a998 R09: ffffed103ee44e83 [ 45.373384][ T21] R10: ffffed103ee44e83 R11: 1ffff1103ee44e82 R12: dffffc0000000000 [ 45.381358][ T21] R13: 1ffff11021cdf482 R14: 0000000000000003 R15: ffff88810ed96040 [ 45.389350][ T21] FS: 0000000000000000(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 45.398312][ T21] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.404911][ T21] CR2: 00007f56c0d9bff8 CR3: 000000010ec6e000 CR4: 00000000003506b0 [ 45.412899][ T21] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.421101][ T21] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.429181][ T21] Call Trace: [ 45.432475][ T21] bdi_put+0x114/0x120 [ 45.436572][ T21] bdev_evict_inode+0x1a8/0x2b0 [ 45.441443][ T21] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 45.446838][ T21] ? bdev_free_inode+0x30/0x30 [ 45.451703][ T21] evict+0x2a3/0x6c0 [ 45.455640][ T21] iput+0x61f/0x7d0 [ 45.459552][ T21] bd_forget+0xff/0x110 [ 45.463732][ T21] evict+0x31f/0x6c0 [ 45.467638][ T21] iput+0x61f/0x7d0 [ 45.471443][ T21] d_delete_notify+0xad/0xd0 [ 45.476062][ T21] vfs_unlink+0x3c2/0x510 [ 45.480400][ T21] devtmpfs_work_loop+0xdc6/0x1070 [ 45.485528][ T21] ? public_dev_mount+0xe0/0xe0 [ 45.490402][ T21] ? psi_task_change+0x1dc/0x390 [ 45.495383][ T21] ? try_invoke_on_locked_down_task+0x280/0x280 [ 45.501629][ T21] ? _raw_spin_lock_irqsave+0xf8/0x210 [ 45.507110][ T21] ? _raw_spin_lock+0x1b0/0x1b0 [ 45.512012][ T21] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 45.517844][ T21] ? complete+0x65/0xb0 [ 45.522010][ T21] devtmpfsd+0x49/0x50 [ 45.526097][ T21] kthread+0x349/0x3d0 [ 45.530184][ T21] ? vclkdev_alloc+0x150/0x150 [ 45.534987][ T21] ? kthread_blkcg+0xd0/0xd0 [ 45.539585][ T21] ret_from_fork+0x1f/0x30 [ 45.544101][ T21] ---[ end trace c7267627e521d032 ]--- [ 45.584103][ T465] FAULT_INJECTION: forcing a failure. [ 45.584103][ T465] name failslab, interval 1, probability 0, space 0, times 0 [ 45.596742][ T465] CPU: 0 PID: 465 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 45.609128][ T465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.619168][ T465] Call Trace: [ 45.623224][ T465] dump_stack_lvl+0x1e2/0x24b [ 45.627883][ T465] ? panic+0x7d7/0x7d7 [ 45.631942][ T465] ? bfq_pos_tree_add_move+0x43e/0x43e [ 45.637373][ T465] ? memcpy+0x56/0x70 [ 45.641346][ T465] dump_stack+0x15/0x17 [ 45.645487][ T465] should_fail+0x3c0/0x510 [ 45.649888][ T465] ? device_add+0xbe/0xbd0 [ 45.654394][ T465] __should_failslab+0x9f/0xe0 [ 45.659233][ T465] should_failslab+0x9/0x20 [ 45.663711][ T465] kmem_cache_alloc_trace+0x3a/0x330 [ 45.669077][ T465] ? __kasan_check_write+0x14/0x20 [ 45.674163][ T465] device_add+0xbe/0xbd0 [ 45.678391][ T465] __device_add_disk+0x7c1/0x11b0 [ 45.683393][ T465] ? device_add_disk+0x40/0x40 [ 45.688320][ T465] ? vsprintf+0x40/0x40 [ 45.692506][ T465] device_add_disk+0x2a/0x40 [ 45.697167][ T465] loop_add+0x533/0x770 [ 45.701301][ T465] loop_control_ioctl+0x564/0x740 [ 45.706304][ T465] ? loop_remove+0xb0/0xb0 [ 45.710697][ T465] ? __fget_files+0x310/0x370 [ 45.715347][ T465] ? security_file_ioctl+0xb1/0xd0 [ 45.720540][ T465] ? loop_remove+0xb0/0xb0 [ 45.724935][ T465] __se_sys_ioctl+0x115/0x190 [ 45.729589][ T465] __x64_sys_ioctl+0x7b/0x90 [ 45.734178][ T465] do_syscall_64+0x34/0x70 [ 45.738569][ T465] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.744612][ T465] RIP: 0033:0x7f56c0e470e9 [ 45.749021][ T465] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 45.768600][ T465] RSP: 002b:00007f56c0d9c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.777003][ T465] RAX: ffffffffffffffda RBX: 00007f56c0f5a030 RCX: 00007f56c0e470e9 [ 45.784949][ T465] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 45.793161][ T465] RBP: 00007f56c0d9c1d0 R08: 0000000000000000 R09: 0000000000000000 [ 45.801120][ T465] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.809075][ T465] R13: 00007ffe13ed37bf R14: 00007f56c0d9c300 R15: 0000000000022000 [ 45.822327][ T467] FAULT_INJECTION: forcing a failure. [ 45.822327][ T467] name failslab, interval 1, probability 0, space 0, times 0 [ 45.835340][ T467] CPU: 1 PID: 467 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 45.847733][ T467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.857850][ T467] Call Trace: [ 45.861125][ T467] dump_stack_lvl+0x1e2/0x24b [ 45.865780][ T467] ? panic+0x7d7/0x7d7 [ 45.869912][ T467] ? bfq_pos_tree_add_move+0x43e/0x43e [ 45.875344][ T467] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 45.880493][ T467] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 45.885667][ T467] dump_stack+0x15/0x17 [ 45.889796][ T467] should_fail+0x3c0/0x510 [ 45.894185][ T467] ? kobj_map+0x72/0x6f0 [ 45.898399][ T467] __should_failslab+0x9f/0xe0 [ 45.903141][ T467] should_failslab+0x9/0x20 [ 45.907623][ T467] __kmalloc+0x60/0x360 [ 45.911750][ T467] ? __device_add_disk+0x585/0x11b0 [ 45.916919][ T467] kobj_map+0x72/0x6f0 [ 45.920961][ T467] ? exact_match+0x20/0x20 [ 45.925352][ T467] ? bdev_check_media_change+0x4c0/0x4c0 [ 45.930964][ T467] __device_add_disk+0x6e0/0x11b0 [ 45.936741][ T467] ? device_add_disk+0x40/0x40 [ 45.941486][ T467] ? vsprintf+0x40/0x40 [ 45.945669][ T467] device_add_disk+0x2a/0x40 [ 45.950234][ T467] loop_add+0x533/0x770 [ 45.954393][ T467] loop_control_ioctl+0x564/0x740 [ 45.959407][ T467] ? loop_remove+0xb0/0xb0 [ 45.963800][ T467] ? __fget_files+0x310/0x370 [ 45.968457][ T467] ? security_file_ioctl+0xb1/0xd0 [ 45.973633][ T467] ? loop_remove+0xb0/0xb0 [ 45.978032][ T467] __se_sys_ioctl+0x115/0x190 [ 45.982689][ T467] __x64_sys_ioctl+0x7b/0x90 [ 45.987267][ T467] do_syscall_64+0x34/0x70 [ 45.991652][ T467] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.997516][ T467] RIP: 0033:0x7f56c0e470e9 [ 46.001908][ 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 [ 46.021491][ T467] RSP: 002b:00007f56c0dbd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.030057][ T467] RAX: ffffffffffffffda RBX: 00007f56c0f59f60 RCX: 00007f56c0e470e9 [ 46.038176][ T467] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 46.046128][ T467] RBP: 00007f56c0dbd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 46.054076][ T467] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.062023][ T467] R13: 00007ffe13ed37bf R14: 00007f56c0dbd300 R15: 0000000000022000 [ 46.123923][ T426] ------------[ cut here ]------------ [ 46.124550][ T469] FAULT_INJECTION: forcing a failure. [ 46.124550][ T469] name failslab, interval 1, probability 0, space 0, times 0 [ 46.129415][ T426] refcount_t: saturated; leaking memory. [ 46.142094][ T469] CPU: 0 PID: 469 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 46.142101][ T469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.142104][ T469] Call Trace: [ 46.142119][ T469] dump_stack_lvl+0x1e2/0x24b [ 46.142135][ T469] ? panic+0x7d7/0x7d7 [ 46.149043][ T426] WARNING: CPU: 1 PID: 426 at lib/refcount.c:22 refcount_warn_saturate+0x129/0x1b0 [ 46.159880][ T469] ? bfq_pos_tree_add_move+0x43e/0x43e [ 46.159897][ T469] ? memcpy+0x56/0x70 [ 46.159906][ T469] dump_stack+0x15/0x17 [ 46.159915][ T469] should_fail+0x3c0/0x510 [ 46.159933][ T469] ? device_add+0xbe/0xbd0 [ 46.170128][ T426] Modules linked in: [ 46.173222][ T469] __should_failslab+0x9f/0xe0 [ 46.173232][ T469] should_failslab+0x9/0x20 [ 46.173248][ T469] kmem_cache_alloc_trace+0x3a/0x330 [ 46.177904][ T426] [ 46.181929][ T469] ? __kasan_check_write+0x14/0x20 [ 46.181937][ T469] device_add+0xbe/0xbd0 [ 46.181953][ T469] __device_add_disk+0x7c1/0x11b0 [ 46.191583][ T426] CPU: 1 PID: 426 Comm: udevd Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 46.197003][ T469] ? device_add_disk+0x40/0x40 [ 46.197013][ T469] ? vsprintf+0x40/0x40 [ 46.197026][ T469] device_add_disk+0x2a/0x40 [ 46.200991][ T426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.205108][ T469] loop_add+0x533/0x770 [ 46.205118][ T469] loop_control_ioctl+0x564/0x740 [ 46.205132][ T469] ? loop_remove+0xb0/0xb0 [ 46.209520][ T426] RIP: 0010:refcount_warn_saturate+0x129/0x1b0 [ 46.213903][ T469] ? __fget_files+0x310/0x370 [ 46.213918][ T469] ? security_file_ioctl+0xb1/0xd0 [ 46.218002][ T426] Code: c7 80 c0 43 85 31 c0 e8 75 22 f2 fe 0f 0b eb bf e8 0c e8 1f ff c6 05 97 6c 0f 04 01 48 c7 c7 e0 be 43 85 31 c0 e8 57 22 f2 fe <0f> 0b eb a1 e8 ee e7 1f ff c6 05 7a 6c 0f 04 01 48 c7 c7 60 bf 43 [ 46.222801][ T469] ? loop_remove+0xb0/0xb0 [ 46.222810][ T469] __se_sys_ioctl+0x115/0x190 [ 46.222824][ T469] __x64_sys_ioctl+0x7b/0x90 [ 46.227320][ T426] RSP: 0018:ffffc90000d37670 EFLAGS: 00010246 [ 46.232639][ T469] do_syscall_64+0x34/0x70 [ 46.232654][ T469] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.234973][ T426] [ 46.240032][ T469] RIP: 0033:0x7f56c0e470e9 [ 46.240041][ 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 [ 46.240052][ T469] RSP: 002b:00007f56c0dbd168 EFLAGS: 00000246 [ 46.244606][ T426] RAX: 17664f3077409100 RBX: 0000000000000001 RCX: ffff8881065b4f00 [ 46.249919][ T469] ORIG_RAX: 0000000000000010 [ 46.249926][ T469] RAX: ffffffffffffffda RBX: 00007f56c0f59f60 RCX: 00007f56c0e470e9 [ 46.249938][ T469] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 46.261322][ T426] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 46.266020][ T469] RBP: 00007f56c0dbd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 46.266026][ T469] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.266032][ T469] R13: 00007ffe13ed37bf R14: 00007f56c0dbd300 R15: 0000000000022000 [ 46.457342][ T426] RBP: ffffc90000d37680 R08: ffffffff8153a998 R09: ffffed103ee6a5d8 [ 46.464583][ T471] FAULT_INJECTION: forcing a failure. [ 46.464583][ T471] name failslab, interval 1, probability 0, space 0, times 0 [ 46.465560][ T426] R10: ffffed103ee6a5d8 R11: 1ffff1103ee6a5d7 R12: 00000000c0000001 [ 46.478122][ T471] CPU: 0 PID: 471 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 46.486162][ T426] R13: ffff88810eea1000 R14: 0000000000000001 R15: ffff88810eea1000 [ 46.498165][ T471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.498169][ T471] Call Trace: [ 46.498188][ T471] dump_stack_lvl+0x1e2/0x24b [ 46.498196][ T471] ? panic+0x7d7/0x7d7 [ 46.498205][ T471] ? bfq_pos_tree_add_move+0x43e/0x43e [ 46.498214][ T471] ? __kasan_kmalloc+0x9/0x10 [ 46.498222][ T471] ? kobj_map+0x72/0x6f0 [ 46.498240][ T471] ? __device_add_disk+0x6e0/0x11b0 [ 46.506628][ T426] FS: 00007f966cf8c840(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 46.516223][ T471] ? device_add_disk+0x2a/0x40 [ 46.516234][ T471] ? loop_control_ioctl+0x564/0x740 [ 46.516251][ T471] ? __se_sys_ioctl+0x115/0x190 [ 46.519750][ T426] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.524155][ T471] ? __x64_sys_ioctl+0x7b/0x90 [ 46.524165][ T471] dump_stack+0x15/0x17 [ 46.524180][ T471] should_fail+0x3c0/0x510 [ 46.528446][ T426] CR2: 00005589d51578c0 CR3: 000000010d77d000 CR4: 00000000003506a0 [ 46.533656][ T471] ? kvasprintf_const+0x139/0x180 [ 46.533666][ T471] __should_failslab+0x9f/0xe0 [ 46.533681][ T471] should_failslab+0x9/0x20 [ 46.538548][ T426] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 46.542905][ T471] __kmalloc_track_caller+0x5f/0x350 [ 46.548192][ T426] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 46.556980][ T471] kstrdup_const+0x55/0x90 [ 46.556990][ T471] kvasprintf_const+0x139/0x180 [ 46.557007][ T471] kobject_set_name_vargs+0x61/0x120 [ 46.561990][ T426] Call Trace: [ 46.566915][ T471] dev_set_name+0xd1/0x120 [ 46.566926][ T471] ? __kmalloc+0x1f7/0x360 [ 46.566939][ T471] ? get_device+0x30/0x30 [ 46.572044][ T426] bdi_get+0x83/0x90 [ 46.578423][ T471] ? kobj_map+0x6ad/0x6f0 [ 46.578434][ T471] __device_add_disk+0x733/0x11b0 [ 46.578448][ T471] ? device_add_disk+0x40/0x40 [ 46.583386][ T426] __blkdev_get+0x120c/0x1360 [ 46.587318][ T471] ? vsprintf+0x40/0x40 [ 46.591708][ T426] ? bdev_test+0xa0/0xa0 [ 46.599825][ T471] device_add_disk+0x2a/0x40 [ 46.599836][ T471] loop_add+0x533/0x770 [ 46.599853][ T471] loop_control_ioctl+0x564/0x740 [ 46.605116][ T426] ? blkdev_bio_end_io+0x470/0x470 [ 46.609670][ T471] ? loop_remove+0xb0/0xb0 [ 46.614272][ T426] ? selinux_file_receive+0x140/0x140 [ 46.622175][ T471] ? __fget_files+0x310/0x370 [ 46.627577][ T426] blkdev_open+0x21a/0x450 [ 46.635371][ T471] ? security_file_ioctl+0xb1/0xd0 [ 46.635385][ T471] ? loop_remove+0xb0/0xb0 [ 46.635400][ T471] __se_sys_ioctl+0x115/0x190 [ 46.640040][ T426] ? block_ioctl+0xf0/0xf0 [ 46.644610][ T471] __x64_sys_ioctl+0x7b/0x90 [ 46.644621][ T471] do_syscall_64+0x34/0x70 [ 46.644636][ T471] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.650114][ T426] do_dentry_open+0x7a2/0x1090 [ 46.653151][ T471] RIP: 0033:0x7f56c0e470e9 [ 46.653160][ 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 [ 46.653172][ T471] RSP: 002b:00007f56c0dbd168 EFLAGS: 00000246 [ 46.657639][ T426] vfs_open+0x73/0x80 [ 46.661955][ T471] ORIG_RAX: 0000000000000010 [ 46.666650][ T426] path_openat+0x2638/0x2fd0 [ 46.670146][ T471] RAX: ffffffffffffffda RBX: 00007f56c0f59f60 RCX: 00007f56c0e470e9 [ 46.674677][ T426] ? __kasan_slab_alloc+0xb2/0xe0 [ 46.679452][ T471] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 46.684404][ T426] ? do_filp_open+0x440/0x440 [ 46.688830][ T471] RBP: 00007f56c0dbd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 46.688837][ T471] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.688850][ T471] R13: 00007ffe13ed37bf R14: 00007f56c0dbd300 R15: 0000000000022000 [ 46.693088][ T426] do_filp_open+0x200/0x440 [ 46.871124][ T426] ? vfs_tmpfile+0x230/0x230 [ 46.875752][ T426] ? get_unused_fd_flags+0x95/0xa0 [ 46.880859][ T426] do_sys_openat2+0x13b/0x470 [ 46.885558][ T426] ? do_sys_open+0x220/0x220 [ 46.890196][ T426] ? __fdget_pos+0x1fe/0x310 [ 46.892284][ T473] FAULT_INJECTION: forcing a failure. [ 46.892284][ T473] name failslab, interval 1, probability 0, space 0, times 0 [ 46.895035][ T426] __x64_sys_openat+0x243/0x290 [ 46.907624][ T473] CPU: 0 PID: 473 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 46.912672][ T426] ? __ia32_sys_open+0x270/0x270 [ 46.924609][ T473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.924613][ T473] Call Trace: [ 46.924627][ T473] dump_stack_lvl+0x1e2/0x24b [ 46.924634][ T473] ? panic+0x7d7/0x7d7 [ 46.924648][ T473] ? bfq_pos_tree_add_move+0x43e/0x43e [ 46.929889][ T426] ? debug_smp_processor_id+0x17/0x20 [ 46.939680][ T473] dump_stack+0x15/0x17 [ 46.939688][ T473] should_fail+0x3c0/0x510 [ 46.939699][ T473] __should_failslab+0x9f/0xe0 [ 46.939714][ T473] should_failslab+0x9/0x20 [ 46.943293][ T426] do_syscall_64+0x34/0x70 [ 46.947644][ T473] kmem_cache_alloc+0x3f/0x300 [ 46.951681][ T426] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.957183][ T473] ? __kernfs_new_node+0xdb/0x6e0 [ 46.957191][ T473] __kernfs_new_node+0xdb/0x6e0 [ 46.957200][ T473] ? stack_trace_save+0x12d/0x1f0 [ 46.957214][ T473] ? kernfs_new_node+0x170/0x170 [ 46.962941][ T426] RIP: 0033:0x7f966d0e3697 [ 46.966806][ T473] ? stack_trace_snprint+0x100/0x100 [ 46.966814][ T473] ? dput+0x2ce/0x320 [ 46.966855][ T473] ? device_add+0xbe/0xbd0 [ 46.971329][ T426] 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 [ 46.976057][ T473] kernfs_create_dir_ns+0x9b/0x230 [ 46.976066][ T473] sysfs_create_dir_ns+0x181/0x390 [ 46.976080][ T473] ? sysfs_warn_dup+0xa0/0xa0 [ 46.980553][ T426] RSP: 002b:00007ffe5994ef10 EFLAGS: 00000246 [ 46.984946][ T473] kobject_add_internal+0x766/0xda0 [ 46.984961][ T473] kobject_add+0x14c/0x210 [ 46.990284][ T426] ORIG_RAX: 0000000000000101 [ 46.995662][ T473] ? _raw_spin_lock+0xa3/0x1b0 [ 46.995678][ T473] ? kobject_init+0x1e0/0x1e0 [ 47.000893][ T426] RAX: ffffffffffffffda RBX: 00005589d5104590 RCX: 00007f966d0e3697 [ 47.005510][ T473] ? __kasan_check_write+0x14/0x20 [ 47.005520][ T473] ? mutex_unlock+0x1d/0x40 [ 47.005535][ T473] ? get_device_parent+0x2c5/0x430 [ 47.010770][ T426] RDX: 00000000000a0800 RSI: 00005589d50d7f20 RDI: 00000000ffffff9c [ 47.015446][ T473] device_add+0x3ca/0xbd0 [ 47.015457][ T473] __device_add_disk+0x7c1/0x11b0 [ 47.015472][ T473] ? device_add_disk+0x40/0x40 [ 47.020079][ T426] RBP: 00005589d50d7f20 R08: 00000000ffffffff R09: 00007ffe599e90b8 [ 47.025900][ T473] ? vsprintf+0x40/0x40 [ 47.025910][ T473] device_add_disk+0x2a/0x40 [ 47.025926][ T473] loop_add+0x533/0x770 [ 47.030114][ T426] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000a0800 [ 47.034309][ T473] loop_control_ioctl+0x564/0x740 [ 47.034318][ T473] ? loop_remove+0xb0/0xb0 [ 47.034335][ T473] ? __fget_files+0x310/0x370 [ 47.054530][ T426] R13: 00005589d5112970 R14: 0000000000000001 R15: 00005589d50d42c0 [ 47.059296][ T473] ? security_file_ioctl+0xb1/0xd0 [ 47.064889][ T426] ---[ end trace c7267627e521d033 ]--- [ 47.069396][ T473] ? loop_remove+0xb0/0xb0 [ 47.076865][ T426] udevd[426]: inotify_add_watch(7, /dev/loop0, 10) failed: No such file or directory [ 47.080610][ T473] __se_sys_ioctl+0x115/0x190 [ 47.223928][ T473] __x64_sys_ioctl+0x7b/0x90 [ 47.228501][ T473] do_syscall_64+0x34/0x70 [ 47.232898][ T473] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.238762][ T473] RIP: 0033:0x7f56c0e470e9 [ 47.243153][ 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 [ 47.262747][ T473] RSP: 002b:00007f56c0dbd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.271133][ T473] RAX: ffffffffffffffda RBX: 00007f56c0f59f60 RCX: 00007f56c0e470e9 [ 47.279078][ T473] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 47.287025][ T473] RBP: 00007f56c0dbd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.294969][ T473] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.302939][ T473] R13: 00007ffe13ed37bf R14: 00007f56c0dbd300 R15: 0000000000022000 [ 47.311241][ T473] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 47.325523][ T475] FAULT_INJECTION: forcing a failure. [ 47.325523][ T475] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 47.339172][ T475] CPU: 1 PID: 475 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 47.351410][ T475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.361440][ T475] Call Trace: [ 47.364707][ T475] dump_stack_lvl+0x1e2/0x24b [ 47.369390][ T475] ? bfq_pos_tree_add_move+0x43e/0x43e [ 47.374947][ T475] dump_stack+0x15/0x17 [ 47.379086][ T475] should_fail+0x3c0/0x510 [ 47.383490][ T475] should_fail_alloc_page+0x50/0x60 [ 47.388668][ T475] __alloc_pages_nodemask+0x1c0/0x890 [ 47.394100][ T475] ? loop_add+0x533/0x770 [ 47.398406][ T475] ? loop_control_ioctl+0x564/0x740 [ 47.403580][ T475] ? __se_sys_ioctl+0x115/0x190 [ 47.408499][ T475] ? gfp_pfmemalloc_allowed+0x120/0x120 [ 47.414021][ T475] ? __kasan_check_write+0x14/0x20 [ 47.419110][ T475] ? lockref_get+0x1b3/0x2a0 [ 47.423686][ T475] ? __kasan_check_write+0x14/0x20 [ 47.428790][ T475] __get_free_pages+0xe/0x30 [ 47.433371][ T475] selinux_genfs_get_sid+0x56/0x250 [ 47.438561][ T475] inode_doinit_with_dentry+0x858/0x1030 [ 47.444284][ T475] ? sb_finish_set_opts+0x7f0/0x7f0 [ 47.449469][ T475] ? current_time+0x1c4/0x310 [ 47.454126][ T475] selinux_d_instantiate+0x27/0x40 [ 47.459301][ T475] security_d_instantiate+0xa5/0x100 [ 47.464662][ T475] d_instantiate+0x55/0x90 [ 47.469053][ T475] __debugfs_create_file+0x2d7/0x4a0 [ 47.474310][ T475] ? up_write+0x19/0xd0 [ 47.478448][ T475] debugfs_create_file+0x4a/0x60 [ 47.483365][ T475] bdi_register_va+0x2ab/0x600 [ 47.488104][ T475] bdi_register+0xd1/0x120 [ 47.492497][ T475] ? __device_add_disk+0x585/0x11b0 [ 47.497671][ T475] ? bdi_register_va+0x600/0x600 [ 47.502583][ T475] ? vsnprintf+0x1bfd/0x1cd0 [ 47.507159][ T475] ? __kasan_check_read+0x11/0x20 [ 47.512163][ T475] ? blk_alloc_devt+0xd4/0x320 [ 47.516907][ T475] __device_add_disk+0x61c/0x11b0 [ 47.521906][ T475] ? device_add_disk+0x40/0x40 [ 47.526645][ T475] ? vsprintf+0x40/0x40 [ 47.530779][ T475] device_add_disk+0x2a/0x40 [ 47.535347][ T475] loop_add+0x533/0x770 [ 47.539479][ T475] loop_control_ioctl+0x564/0x740 [ 47.544567][ T475] ? loop_remove+0xb0/0xb0 [ 47.548961][ T475] ? __fget_files+0x310/0x370 [ 47.553614][ T475] ? security_file_ioctl+0xb1/0xd0 [ 47.558787][ T475] ? loop_remove+0xb0/0xb0 [ 47.563184][ T475] __se_sys_ioctl+0x115/0x190 [ 47.567846][ T475] __x64_sys_ioctl+0x7b/0x90 [ 47.572412][ T475] do_syscall_64+0x34/0x70 [ 47.576807][ T475] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.582675][ T475] RIP: 0033:0x7f56c0e470e9 [ 47.587070][ 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 [ 47.606752][ T475] RSP: 002b:00007f56c0dbd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.615159][ T475] RAX: ffffffffffffffda RBX: 00007f56c0f59f60 RCX: 00007f56c0e470e9 [ 47.623309][ T475] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 47.631446][ T475] RBP: 00007f56c0dbd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.639603][ T475] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.647560][ T475] R13: 00007ffe13ed37bf R14: 00007f56c0dbd300 R15: 0000000000022000 [ 47.725532][ T480] FAULT_INJECTION: forcing a failure. [ 47.725532][ T480] name failslab, interval 1, probability 0, space 0, times 0 [ 47.738243][ T480] CPU: 1 PID: 480 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 47.750374][ T480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.760404][ T480] Call Trace: [ 47.763673][ T480] dump_stack_lvl+0x1e2/0x24b [ 47.768327][ T480] ? panic+0x7d7/0x7d7 [ 47.772373][ T480] ? bfq_pos_tree_add_move+0x43e/0x43e [ 47.777807][ T480] ? memcpy+0x56/0x70 [ 47.781761][ T480] dump_stack+0x15/0x17 [ 47.785908][ T480] should_fail+0x3c0/0x510 [ 47.790301][ T480] ? device_add+0xbe/0xbd0 [ 47.794694][ T480] __should_failslab+0x9f/0xe0 [ 47.799431][ T480] should_failslab+0x9/0x20 [ 47.803993][ T480] kmem_cache_alloc_trace+0x3a/0x330 [ 47.809264][ T480] ? __kasan_check_write+0x14/0x20 [ 47.814463][ T480] device_add+0xbe/0xbd0 [ 47.818710][ T480] __device_add_disk+0x7c1/0x11b0 [ 47.823726][ T480] ? device_add_disk+0x40/0x40 [ 47.828469][ T480] ? vsprintf+0x40/0x40 [ 47.832599][ T480] device_add_disk+0x2a/0x40 [ 47.837164][ T480] loop_add+0x533/0x770 [ 47.841298][ T480] loop_control_ioctl+0x564/0x740 [ 47.846300][ T480] ? loop_remove+0xb0/0xb0 [ 47.850692][ T480] ? __fget_files+0x310/0x370 [ 47.855434][ T480] ? security_file_ioctl+0xb1/0xd0 [ 47.860517][ T480] ? loop_remove+0xb0/0xb0 [ 47.864914][ T480] __se_sys_ioctl+0x115/0x190 [ 47.869656][ T480] __x64_sys_ioctl+0x7b/0x90 [ 47.874224][ T480] do_syscall_64+0x34/0x70 [ 47.878721][ T480] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.884585][ T480] RIP: 0033:0x7f56c0e470e9 [ 47.888973][ T480] 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 [ 47.908752][ T480] RSP: 002b:00007f56c0d9c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.917142][ T480] RAX: ffffffffffffffda RBX: 00007f56c0f5a030 RCX: 00007f56c0e470e9 2022/05/26 06:33:53 executed programs: 28 [ 47.925184][ T480] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 47.933135][ T480] RBP: 00007f56c0d9c1d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.941196][ T480] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.949249][ T480] R13: 00007ffe13ed37bf R14: 00007f56c0d9c300 R15: 0000000000022000 [ 47.962959][ T482] FAULT_INJECTION: forcing a failure. [ 47.962959][ T482] name failslab, interval 1, probability 0, space 0, times 0 [ 47.975569][ T482] CPU: 1 PID: 482 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 47.987687][ T482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.997812][ T482] Call Trace: [ 48.001643][ T482] dump_stack_lvl+0x1e2/0x24b [ 48.006305][ T482] ? panic+0x7d7/0x7d7 [ 48.010357][ T482] ? bfq_pos_tree_add_move+0x43e/0x43e [ 48.015789][ T482] ? __kasan_kmalloc+0x9/0x10 [ 48.020439][ T482] ? kobj_map+0x72/0x6f0 [ 48.024654][ T482] ? __device_add_disk+0x6e0/0x11b0 [ 48.029848][ T482] ? device_add_disk+0x2a/0x40 [ 48.034698][ T482] ? loop_control_ioctl+0x564/0x740 [ 48.039884][ T482] ? __se_sys_ioctl+0x115/0x190 [ 48.044945][ T482] ? __x64_sys_ioctl+0x7b/0x90 [ 48.049779][ T482] dump_stack+0x15/0x17 [ 48.053904][ T482] should_fail+0x3c0/0x510 [ 48.058474][ T482] ? kvasprintf_const+0x139/0x180 [ 48.063471][ T482] __should_failslab+0x9f/0xe0 [ 48.068215][ T482] should_failslab+0x9/0x20 [ 48.072779][ T482] __kmalloc_track_caller+0x5f/0x350 [ 48.079441][ T482] kstrdup_const+0x55/0x90 [ 48.084110][ T482] kvasprintf_const+0x139/0x180 [ 48.088938][ T482] kobject_set_name_vargs+0x61/0x120 [ 48.094198][ T482] dev_set_name+0xd1/0x120 [ 48.098592][ T482] ? __kmalloc+0x1f7/0x360 [ 48.102990][ T482] ? get_device+0x30/0x30 [ 48.107368][ T482] ? kobj_map+0x6ad/0x6f0 [ 48.111686][ T482] __device_add_disk+0x733/0x11b0 [ 48.116698][ T482] ? device_add_disk+0x40/0x40 [ 48.121437][ T482] ? vsprintf+0x40/0x40 [ 48.125572][ T482] device_add_disk+0x2a/0x40 [ 48.130136][ T482] loop_add+0x533/0x770 [ 48.134270][ T482] loop_control_ioctl+0x564/0x740 [ 48.139265][ T482] ? loop_remove+0xb0/0xb0 [ 48.143654][ T482] ? __fget_files+0x310/0x370 [ 48.148305][ T482] ? security_file_ioctl+0xb1/0xd0 [ 48.153386][ T482] ? loop_remove+0xb0/0xb0 [ 48.157772][ T482] __se_sys_ioctl+0x115/0x190 [ 48.162425][ T482] __x64_sys_ioctl+0x7b/0x90 [ 48.166990][ T482] do_syscall_64+0x34/0x70 [ 48.171383][ T482] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.177249][ T482] RIP: 0033:0x7f56c0e470e9 [ 48.181645][ T482] 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 [ 48.201483][ T482] RSP: 002b:00007f56c0dbd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 48.209889][ T482] RAX: ffffffffffffffda RBX: 00007f56c0f59f60 RCX: 00007f56c0e470e9 [ 48.217837][ T482] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 48.226043][ T482] RBP: 00007f56c0dbd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 48.233990][ T482] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 48.241945][ T482] R13: 00007ffe13ed37bf R14: 00007f56c0dbd300 R15: 0000000000022000 [ 48.257074][ T484] FAULT_INJECTION: forcing a failure. [ 48.257074][ T484] name failslab, interval 1, probability 0, space 0, times 0 [ 48.269991][ T484] CPU: 0 PID: 484 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 48.282120][ T484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.292160][ T484] Call Trace: [ 48.295440][ T484] dump_stack_lvl+0x1e2/0x24b [ 48.300088][ T484] ? panic+0x7d7/0x7d7 [ 48.304130][ T484] ? bfq_pos_tree_add_move+0x43e/0x43e [ 48.309566][ T484] ? memcpy+0x56/0x70 [ 48.313531][ T484] dump_stack+0x15/0x17 [ 48.317679][ T484] should_fail+0x3c0/0x510 [ 48.322331][ T484] ? device_add+0xbe/0xbd0 [ 48.326816][ T484] __should_failslab+0x9f/0xe0 [ 48.331644][ T484] should_failslab+0x9/0x20 [ 48.336123][ T484] kmem_cache_alloc_trace+0x3a/0x330 [ 48.341387][ T484] ? __kasan_check_write+0x14/0x20 [ 48.346472][ T484] device_add+0xbe/0xbd0 [ 48.350701][ T484] __device_add_disk+0x7c1/0x11b0 [ 48.355700][ T484] ? device_add_disk+0x40/0x40 [ 48.360440][ T484] ? vsprintf+0x40/0x40 [ 48.364571][ T484] device_add_disk+0x2a/0x40 [ 48.369140][ T484] loop_add+0x533/0x770 [ 48.373267][ T484] loop_control_ioctl+0x564/0x740 [ 48.378289][ T484] ? loop_remove+0xb0/0xb0 [ 48.382677][ T484] ? __fget_files+0x310/0x370 [ 48.387352][ T484] ? security_file_ioctl+0xb1/0xd0 [ 48.392432][ T484] ? loop_remove+0xb0/0xb0 [ 48.396822][ T484] __se_sys_ioctl+0x115/0x190 [ 48.401472][ T484] __x64_sys_ioctl+0x7b/0x90 [ 48.406068][ T484] do_syscall_64+0x34/0x70 [ 48.410457][ T484] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.416409][ T484] RIP: 0033:0x7f56c0e470e9 [ 48.420809][ T484] 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 [ 48.440907][ T484] RSP: 002b:00007f56c0dbd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 48.449469][ T484] RAX: ffffffffffffffda RBX: 00007f56c0f59f60 RCX: 00007f56c0e470e9 [ 48.457433][ T484] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 48.465558][ T484] RBP: 00007f56c0dbd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 48.473855][ T484] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 48.481903][ T484] R13: 00007ffe13ed37bf R14: 00007f56c0dbd300 R15: 0000000000022000 [ 48.496404][ T486] FAULT_INJECTION: forcing a failure. [ 48.496404][ T486] name failslab, interval 1, probability 0, space 0, times 0 [ 48.509053][ T486] CPU: 1 PID: 486 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 48.521195][ T486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.531229][ T486] Call Trace: [ 48.534498][ T486] dump_stack_lvl+0x1e2/0x24b [ 48.539150][ T486] ? bfq_pos_tree_add_move+0x43e/0x43e [ 48.544587][ T486] dump_stack+0x15/0x17 [ 48.548730][ T486] should_fail+0x3c0/0x510 [ 48.553129][ T486] ? __kernfs_new_node+0x99/0x6e0 [ 48.558134][ T486] __should_failslab+0x9f/0xe0 [ 48.562871][ T486] should_failslab+0x9/0x20 [ 48.567345][ T486] __kmalloc_track_caller+0x5f/0x350 [ 48.572601][ T486] ? __kernel_text_address+0x9a/0x110 [ 48.577971][ T486] ? unwind_get_return_address+0x4c/0x90 [ 48.583588][ T486] kstrdup_const+0x55/0x90 [ 48.587991][ T486] __kernfs_new_node+0x99/0x6e0 [ 48.592829][ T486] ? stack_trace_save+0x12d/0x1f0 [ 48.597829][ T486] ? kernfs_new_node+0x170/0x170 [ 48.602740][ T486] ? stack_trace_snprint+0x100/0x100 [ 48.607999][ T486] ? dput+0x2ce/0x320 [ 48.611957][ T486] ? device_add+0xbe/0xbd0 [ 48.616355][ T486] kernfs_create_dir_ns+0x9b/0x230 [ 48.621529][ T486] sysfs_create_dir_ns+0x181/0x390 [ 48.626612][ T486] ? sysfs_warn_dup+0xa0/0xa0 [ 48.631260][ T486] kobject_add_internal+0x766/0xda0 [ 48.636615][ T486] kobject_add+0x14c/0x210 [ 48.641188][ T486] ? _raw_spin_lock+0xa3/0x1b0 [ 48.645932][ T486] ? kobject_init+0x1e0/0x1e0 [ 48.650596][ T486] ? __kasan_check_write+0x14/0x20 [ 48.655683][ T486] ? mutex_unlock+0x1d/0x40 [ 48.660161][ T486] ? get_device_parent+0x2c5/0x430 [ 48.665245][ T486] device_add+0x3ca/0xbd0 [ 48.669553][ T486] __device_add_disk+0x7c1/0x11b0 [ 48.674550][ T486] ? device_add_disk+0x40/0x40 [ 48.679292][ T486] ? vsprintf+0x40/0x40 [ 48.683427][ T486] device_add_disk+0x2a/0x40 [ 48.688088][ T486] loop_add+0x533/0x770 [ 48.692313][ T486] loop_control_ioctl+0x564/0x740 [ 48.697316][ T486] ? loop_remove+0xb0/0xb0 [ 48.701796][ T486] ? __fget_files+0x310/0x370 [ 48.706450][ T486] ? security_file_ioctl+0xb1/0xd0 [ 48.711536][ T486] ? loop_remove+0xb0/0xb0 [ 48.715981][ T486] __se_sys_ioctl+0x115/0x190 [ 48.720639][ T486] __x64_sys_ioctl+0x7b/0x90 [ 48.725203][ T486] do_syscall_64+0x34/0x70 [ 48.729593][ T486] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.735460][ T486] RIP: 0033:0x7f56c0e470e9 [ 48.739866][ T486] 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 [ 48.759448][ T486] RSP: 002b:00007f56c0dbd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 48.767839][ T486] RAX: ffffffffffffffda RBX: 00007f56c0f59f60 RCX: 00007f56c0e470e9 [ 48.775814][ T486] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 48.783794][ T486] RBP: 00007f56c0dbd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 48.791749][ T486] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 48.799695][ T486] R13: 00007ffe13ed37bf R14: 00007f56c0dbd300 R15: 0000000000022000 [ 48.808424][ T486] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 48.822203][ T488] FAULT_INJECTION: forcing a failure. [ 48.822203][ T488] name failslab, interval 1, probability 0, space 0, times 0 [ 48.834834][ T488] CPU: 0 PID: 488 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 48.846949][ T488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.856980][ T488] Call Trace: [ 48.860246][ T488] dump_stack_lvl+0x1e2/0x24b [ 48.864894][ T488] ? panic+0x7d7/0x7d7 [ 48.868935][ T488] ? bfq_pos_tree_add_move+0x43e/0x43e [ 48.874373][ T488] ? memcpy+0x56/0x70 [ 48.878345][ T488] dump_stack+0x15/0x17 [ 48.882473][ T488] should_fail+0x3c0/0x510 [ 48.886947][ T488] ? device_add+0xbe/0xbd0 [ 48.891425][ T488] __should_failslab+0x9f/0xe0 [ 48.896159][ T488] should_failslab+0x9/0x20 [ 48.900721][ T488] kmem_cache_alloc_trace+0x3a/0x330 [ 48.905979][ T488] ? __kasan_check_write+0x14/0x20 [ 48.911066][ T488] device_add+0xbe/0xbd0 [ 48.915290][ T488] __device_add_disk+0x7c1/0x11b0 [ 48.920285][ T488] ? device_add_disk+0x40/0x40 [ 48.925027][ T488] ? vsprintf+0x40/0x40 [ 48.929158][ T488] device_add_disk+0x2a/0x40 [ 48.933720][ T488] loop_add+0x533/0x770 [ 48.937856][ T488] loop_control_ioctl+0x564/0x740 [ 48.942852][ T488] ? loop_remove+0xb0/0xb0 [ 48.947239][ T488] ? __fget_files+0x310/0x370 [ 48.951885][ T488] ? security_file_ioctl+0xb1/0xd0 [ 48.956969][ T488] ? loop_remove+0xb0/0xb0 [ 48.961359][ T488] __se_sys_ioctl+0x115/0x190 [ 48.966015][ T488] __x64_sys_ioctl+0x7b/0x90 [ 48.970666][ T488] do_syscall_64+0x34/0x70 [ 48.975057][ T488] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.980924][ T488] RIP: 0033:0x7f56c0e470e9 [ 48.985315][ T488] 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 [ 49.004892][ T488] RSP: 002b:00007f56c0dbd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 49.013285][ T488] RAX: ffffffffffffffda RBX: 00007f56c0f59f60 RCX: 00007f56c0e470e9 [ 49.021238][ T488] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 49.029190][ T488] RBP: 00007f56c0dbd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 49.037224][ T488] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 49.045255][ T488] R13: 00007ffe13ed37bf R14: 00007f56c0dbd300 R15: 0000000000022000 [ 49.058618][ T490] FAULT_INJECTION: forcing a failure. [ 49.058618][ T490] name failslab, interval 1, probability 0, space 0, times 0 [ 49.071223][ T490] CPU: 0 PID: 490 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 49.083428][ T490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.093459][ T490] Call Trace: [ 49.096730][ T490] dump_stack_lvl+0x1e2/0x24b [ 49.101376][ T490] ? bfq_pos_tree_add_move+0x43e/0x43e [ 49.106810][ T490] dump_stack+0x15/0x17 [ 49.110938][ T490] should_fail+0x3c0/0x510 [ 49.115324][ T490] ? __kernfs_new_node+0x99/0x6e0 [ 49.120319][ T490] __should_failslab+0x9f/0xe0 [ 49.125053][ T490] should_failslab+0x9/0x20 [ 49.129529][ T490] __kmalloc_track_caller+0x5f/0x350 [ 49.134787][ T490] ? __kernel_text_address+0x9a/0x110 [ 49.140305][ T490] ? unwind_get_return_address+0x4c/0x90 [ 49.145908][ T490] kstrdup_const+0x55/0x90 [ 49.150304][ T490] __kernfs_new_node+0x99/0x6e0 [ 49.155217][ T490] ? stack_trace_save+0x12d/0x1f0 [ 49.160252][ T490] ? kernfs_new_node+0x170/0x170 [ 49.165160][ T490] ? stack_trace_snprint+0x100/0x100 [ 49.170414][ T490] ? dput+0x2ce/0x320 [ 49.174376][ T490] ? device_add+0xbe/0xbd0 [ 49.178795][ T490] kernfs_create_dir_ns+0x9b/0x230 [ 49.183876][ T490] sysfs_create_dir_ns+0x181/0x390 [ 49.188971][ T490] ? sysfs_warn_dup+0xa0/0xa0 [ 49.193623][ T490] kobject_add_internal+0x766/0xda0 [ 49.199660][ T490] kobject_add+0x14c/0x210 [ 49.204048][ T490] ? _raw_spin_lock+0xa3/0x1b0 [ 49.208783][ T490] ? kobject_init+0x1e0/0x1e0 [ 49.213433][ T490] ? __kasan_check_write+0x14/0x20 [ 49.218512][ T490] ? mutex_unlock+0x1d/0x40 [ 49.222989][ T490] ? get_device_parent+0x2c5/0x430 [ 49.228069][ T490] device_add+0x3ca/0xbd0 [ 49.232378][ T490] __device_add_disk+0x7c1/0x11b0 [ 49.237377][ T490] ? device_add_disk+0x40/0x40 [ 49.242178][ T490] ? vsprintf+0x40/0x40 [ 49.246305][ T490] device_add_disk+0x2a/0x40 [ 49.251039][ T490] loop_add+0x533/0x770 [ 49.255167][ T490] loop_control_ioctl+0x564/0x740 [ 49.260247][ T490] ? loop_remove+0xb0/0xb0 [ 49.264634][ T490] ? __fget_files+0x310/0x370 [ 49.269283][ T490] ? security_file_ioctl+0xb1/0xd0 [ 49.274365][ T490] ? loop_remove+0xb0/0xb0 [ 49.278761][ T490] __se_sys_ioctl+0x115/0x190 [ 49.283412][ T490] __x64_sys_ioctl+0x7b/0x90 [ 49.288083][ T490] do_syscall_64+0x34/0x70 [ 49.292476][ T490] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.298338][ T490] RIP: 0033:0x7f56c0e470e9 [ 49.302739][ T490] 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 [ 49.322405][ T490] RSP: 002b:00007f56c0dbd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 49.330811][ T490] RAX: ffffffffffffffda RBX: 00007f56c0f59f60 RCX: 00007f56c0e470e9 [ 49.338776][ T490] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 49.346724][ T490] RBP: 00007f56c0dbd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 49.354677][ T490] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 49.362640][ T490] R13: 00007ffe13ed37bf R14: 00007f56c0dbd300 R15: 0000000000022000 [ 49.371205][ T490] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 49.386361][ T492] FAULT_INJECTION: forcing a failure. [ 49.386361][ T492] name failslab, interval 1, probability 0, space 0, times 0 [ 49.398998][ T492] CPU: 1 PID: 492 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 49.411357][ T492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.421392][ T492] Call Trace: [ 49.424751][ T492] dump_stack_lvl+0x1e2/0x24b [ 49.429409][ T492] ? panic+0x7d7/0x7d7 [ 49.433453][ T492] ? bfq_pos_tree_add_move+0x43e/0x43e [ 49.438905][ T492] ? memcpy+0x56/0x70 [ 49.442873][ T492] dump_stack+0x15/0x17 [ 49.447023][ T492] should_fail+0x3c0/0x510 [ 49.451448][ T492] ? device_add+0xbe/0xbd0 [ 49.456111][ T492] __should_failslab+0x9f/0xe0 [ 49.460851][ T492] should_failslab+0x9/0x20 [ 49.465418][ T492] kmem_cache_alloc_trace+0x3a/0x330 [ 49.470686][ T492] ? __kasan_check_write+0x14/0x20 [ 49.475946][ T492] device_add+0xbe/0xbd0 [ 49.480181][ T492] __device_add_disk+0x7c1/0x11b0 [ 49.485358][ T492] ? device_add_disk+0x40/0x40 [ 49.490108][ T492] ? vsprintf+0x40/0x40 [ 49.494259][ T492] device_add_disk+0x2a/0x40 [ 49.498845][ T492] loop_add+0x533/0x770 [ 49.502984][ T492] loop_control_ioctl+0x564/0x740 [ 49.507995][ T492] ? loop_remove+0xb0/0xb0 [ 49.512391][ T492] ? __fget_files+0x310/0x370 [ 49.517047][ T492] ? security_file_ioctl+0xb1/0xd0 [ 49.522132][ T492] ? loop_remove+0xb0/0xb0 [ 49.526551][ T492] __se_sys_ioctl+0x115/0x190 [ 49.531202][ T492] __x64_sys_ioctl+0x7b/0x90 [ 49.535767][ T492] do_syscall_64+0x34/0x70 [ 49.540158][ T492] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.546126][ T492] RIP: 0033:0x7f56c0e470e9 [ 49.550517][ T492] 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 [ 49.570123][ T492] RSP: 002b:00007f56c0dbd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 49.578524][ T492] RAX: ffffffffffffffda RBX: 00007f56c0f59f60 RCX: 00007f56c0e470e9 [ 49.586486][ T492] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 49.594437][ T492] RBP: 00007f56c0dbd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 49.602394][ T492] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 49.610353][ T492] R13: 00007ffe13ed37bf R14: 00007f56c0dbd300 R15: 0000000000022000 [ 49.623619][ T494] FAULT_INJECTION: forcing a failure. [ 49.623619][ T494] name failslab, interval 1, probability 0, space 0, times 0 [ 49.636478][ T494] CPU: 1 PID: 494 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 49.648592][ T494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.658621][ T494] Call Trace: [ 49.661901][ T494] dump_stack_lvl+0x1e2/0x24b [ 49.666554][ T494] ? bfq_pos_tree_add_move+0x43e/0x43e [ 49.672126][ T494] dump_stack+0x15/0x17 [ 49.676264][ T494] should_fail+0x3c0/0x510 [ 49.680657][ T494] ? __kernfs_new_node+0x99/0x6e0 [ 49.685664][ T494] __should_failslab+0x9f/0xe0 [ 49.690408][ T494] should_failslab+0x9/0x20 [ 49.694890][ T494] __kmalloc_track_caller+0x5f/0x350 [ 49.700166][ T494] ? __kernel_text_address+0x9a/0x110 [ 49.705524][ T494] ? unwind_get_return_address+0x4c/0x90 [ 49.711216][ T494] kstrdup_const+0x55/0x90 [ 49.715605][ T494] __kernfs_new_node+0x99/0x6e0 [ 49.720433][ T494] ? stack_trace_save+0x12d/0x1f0 [ 49.726993][ T494] ? kernfs_new_node+0x170/0x170 [ 49.731901][ T494] ? stack_trace_snprint+0x100/0x100 [ 49.737157][ T494] ? dput+0x2ce/0x320 [ 49.741197][ T494] ? device_add+0xbe/0xbd0 [ 49.745929][ T494] kernfs_create_dir_ns+0x9b/0x230 [ 49.751037][ T494] sysfs_create_dir_ns+0x181/0x390 [ 49.756124][ T494] ? sysfs_warn_dup+0xa0/0xa0 [ 49.760955][ T494] kobject_add_internal+0x766/0xda0 [ 49.766231][ T494] kobject_add+0x14c/0x210 [ 49.770626][ T494] ? _raw_spin_lock+0xa3/0x1b0 [ 49.775363][ T494] ? kobject_init+0x1e0/0x1e0 [ 49.780022][ T494] ? __kasan_check_write+0x14/0x20 [ 49.785105][ T494] ? mutex_unlock+0x1d/0x40 [ 49.789587][ T494] ? get_device_parent+0x2c5/0x430 [ 49.794669][ T494] device_add+0x3ca/0xbd0 [ 49.798971][ T494] __device_add_disk+0x7c1/0x11b0 [ 49.803980][ T494] ? device_add_disk+0x40/0x40 [ 49.808714][ T494] ? vsprintf+0x40/0x40 [ 49.812838][ T494] device_add_disk+0x2a/0x40 [ 49.817404][ T494] loop_add+0x533/0x770 [ 49.821529][ T494] loop_control_ioctl+0x564/0x740 [ 49.826521][ T494] ? loop_remove+0xb0/0xb0 [ 49.830910][ T494] ? __fget_files+0x310/0x370 [ 49.835643][ T494] ? security_file_ioctl+0xb1/0xd0 [ 49.840725][ T494] ? loop_remove+0xb0/0xb0 [ 49.845110][ T494] __se_sys_ioctl+0x115/0x190 [ 49.849760][ T494] __x64_sys_ioctl+0x7b/0x90 [ 49.854323][ T494] do_syscall_64+0x34/0x70 [ 49.858715][ T494] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.864578][ T494] RIP: 0033:0x7f56c0e470e9 [ 49.868966][ T494] 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 [ 49.888546][ T494] RSP: 002b:00007f56c0dbd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 49.896939][ T494] RAX: ffffffffffffffda RBX: 00007f56c0f59f60 RCX: 00007f56c0e470e9 [ 49.904882][ T494] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 49.912910][ T494] RBP: 00007f56c0dbd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 49.921062][ T494] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 49.929395][ T494] R13: 00007ffe13ed37bf R14: 00007f56c0dbd300 R15: 0000000000022000 [ 49.937598][ T494] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 49.953298][ T496] FAULT_INJECTION: forcing a failure. [ 49.953298][ T496] name failslab, interval 1, probability 0, space 0, times 0 [ 49.965927][ T496] CPU: 1 PID: 496 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 49.978056][ T496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.988091][ T496] Call Trace: [ 49.991372][ T496] dump_stack_lvl+0x1e2/0x24b [ 49.996047][ T496] ? panic+0x7d7/0x7d7 [ 50.000101][ T496] ? bfq_pos_tree_add_move+0x43e/0x43e [ 50.005546][ T496] ? __kasan_kmalloc+0x9/0x10 [ 50.010207][ T496] ? kobj_map+0x72/0x6f0 [ 50.014434][ T496] ? __device_add_disk+0x6e0/0x11b0 [ 50.019609][ T496] ? device_add_disk+0x2a/0x40 [ 50.024506][ T496] ? loop_control_ioctl+0x564/0x740 [ 50.029677][ T496] ? __se_sys_ioctl+0x115/0x190 [ 50.034508][ T496] ? __x64_sys_ioctl+0x7b/0x90 [ 50.039244][ T496] dump_stack+0x15/0x17 [ 50.043398][ T496] should_fail+0x3c0/0x510 [ 50.047793][ T496] ? kvasprintf_const+0x139/0x180 [ 50.052799][ T496] __should_failslab+0x9f/0xe0 [ 50.057533][ T496] should_failslab+0x9/0x20 [ 50.062011][ T496] __kmalloc_track_caller+0x5f/0x350 [ 50.067360][ T496] kstrdup_const+0x55/0x90 [ 50.071753][ T496] kvasprintf_const+0x139/0x180 [ 50.076578][ T496] kobject_set_name_vargs+0x61/0x120 [ 50.081855][ T496] dev_set_name+0xd1/0x120 [ 50.086247][ T496] ? __kmalloc+0x1f7/0x360 [ 50.090635][ T496] ? get_device+0x30/0x30 [ 50.094962][ T496] ? kobj_map+0x6ad/0x6f0 [ 50.099268][ T496] __device_add_disk+0x733/0x11b0 [ 50.104263][ T496] ? device_add_disk+0x40/0x40 [ 50.109086][ T496] ? vsprintf+0x40/0x40 [ 50.113234][ T496] device_add_disk+0x2a/0x40 [ 50.117819][ T496] loop_add+0x533/0x770 [ 50.121950][ T496] loop_control_ioctl+0x564/0x740 [ 50.126990][ T496] ? loop_remove+0xb0/0xb0 [ 50.131381][ T496] ? __fget_files+0x310/0x370 [ 50.136031][ T496] ? security_file_ioctl+0xb1/0xd0 [ 50.141118][ T496] ? loop_remove+0xb0/0xb0 [ 50.145513][ T496] __se_sys_ioctl+0x115/0x190 [ 50.150163][ T496] __x64_sys_ioctl+0x7b/0x90 [ 50.154823][ T496] do_syscall_64+0x34/0x70 [ 50.159221][ T496] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.165089][ T496] RIP: 0033:0x7f56c0e470e9 [ 50.169478][ T496] 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 [ 50.190888][ T496] RSP: 002b:00007f56c0dbd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 50.199278][ T496] RAX: ffffffffffffffda RBX: 00007f56c0f59f60 RCX: 00007f56c0e470e9 [ 50.207224][ T496] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 50.215171][ T496] RBP: 00007f56c0dbd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 50.223201][ T496] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 50.231157][ T496] R13: 00007ffe13ed37bf R14: 00007f56c0dbd300 R15: 0000000000022000 [ 50.247162][ T498] FAULT_INJECTION: forcing a failure. [ 50.247162][ T498] name failslab, interval 1, probability 0, space 0, times 0 [ 50.260064][ T498] CPU: 0 PID: 498 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 50.272408][ T498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.282447][ T498] Call Trace: [ 50.285720][ T498] dump_stack_lvl+0x1e2/0x24b [ 50.290373][ T498] ? bfq_pos_tree_add_move+0x43e/0x43e [ 50.295805][ T498] dump_stack+0x15/0x17 [ 50.299938][ T498] should_fail+0x3c0/0x510 [ 50.304334][ T498] ? __kernfs_new_node+0x99/0x6e0 [ 50.309334][ T498] __should_failslab+0x9f/0xe0 [ 50.314074][ T498] should_failslab+0x9/0x20 [ 50.318550][ T498] __kmalloc_track_caller+0x5f/0x350 [ 50.323818][ T498] ? __kernel_text_address+0x9a/0x110 [ 50.329161][ T498] ? unwind_get_return_address+0x4c/0x90 [ 50.334781][ T498] kstrdup_const+0x55/0x90 [ 50.339170][ T498] __kernfs_new_node+0x99/0x6e0 [ 50.343992][ T498] ? stack_trace_save+0x12d/0x1f0 [ 50.348989][ T498] ? kernfs_new_node+0x170/0x170 [ 50.353900][ T498] ? stack_trace_snprint+0x100/0x100 [ 50.359154][ T498] ? dput+0x2ce/0x320 [ 50.363111][ T498] ? device_add+0xbe/0xbd0 [ 50.367504][ T498] kernfs_create_dir_ns+0x9b/0x230 [ 50.372594][ T498] sysfs_create_dir_ns+0x181/0x390 [ 50.377680][ T498] ? sysfs_warn_dup+0xa0/0xa0 [ 50.382332][ T498] kobject_add_internal+0x766/0xda0 [ 50.387508][ T498] kobject_add+0x14c/0x210 [ 50.391932][ T498] ? _raw_spin_lock+0xa3/0x1b0 [ 50.396669][ T498] ? kobject_init+0x1e0/0x1e0 [ 50.401529][ T498] ? __kasan_check_write+0x14/0x20 [ 50.406628][ T498] ? mutex_unlock+0x1d/0x40 [ 50.411202][ T498] ? get_device_parent+0x2c5/0x430 [ 50.416285][ T498] device_add+0x3ca/0xbd0 [ 50.420598][ T498] __device_add_disk+0x7c1/0x11b0 [ 50.425721][ T498] ? device_add_disk+0x40/0x40 [ 50.430478][ T498] ? vsprintf+0x40/0x40 [ 50.434649][ T498] device_add_disk+0x2a/0x40 [ 50.439236][ T498] loop_add+0x533/0x770 [ 50.443373][ T498] loop_control_ioctl+0x564/0x740 [ 50.448372][ T498] ? loop_remove+0xb0/0xb0 [ 50.452773][ T498] ? __fget_files+0x310/0x370 [ 50.457429][ T498] ? security_file_ioctl+0xb1/0xd0 [ 50.462517][ T498] ? loop_remove+0xb0/0xb0 [ 50.466924][ T498] __se_sys_ioctl+0x115/0x190 [ 50.471579][ T498] __x64_sys_ioctl+0x7b/0x90 [ 50.476143][ T498] do_syscall_64+0x34/0x70 [ 50.480553][ T498] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.486427][ T498] RIP: 0033:0x7f56c0e470e9 [ 50.490817][ T498] 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 [ 50.510406][ T498] RSP: 002b:00007f56c0dbd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 50.518839][ T498] RAX: ffffffffffffffda RBX: 00007f56c0f59f60 RCX: 00007f56c0e470e9 [ 50.526787][ T498] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 50.534736][ T498] RBP: 00007f56c0dbd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 50.542695][ T498] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 50.550742][ T498] R13: 00007ffe13ed37bf R14: 00007f56c0dbd300 R15: 0000000000022000 [ 50.558954][ T498] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 50.572424][ T500] FAULT_INJECTION: forcing a failure. [ 50.572424][ T500] name failslab, interval 1, probability 0, space 0, times 0 [ 50.585178][ T500] CPU: 1 PID: 500 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 50.597395][ T500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.607425][ T500] Call Trace: [ 50.610698][ T500] dump_stack_lvl+0x1e2/0x24b [ 50.615435][ T500] ? bfq_pos_tree_add_move+0x43e/0x43e [ 50.620863][ T500] dump_stack+0x15/0x17 [ 50.624993][ T500] should_fail+0x3c0/0x510 [ 50.629386][ T500] ? __kernfs_new_node+0x99/0x6e0 [ 50.634429][ T500] __should_failslab+0x9f/0xe0 [ 50.639185][ T500] should_failslab+0x9/0x20 [ 50.643762][ T500] __kmalloc_track_caller+0x5f/0x350 [ 50.649027][ T500] ? __kernel_text_address+0x9a/0x110 [ 50.654378][ T500] ? unwind_get_return_address+0x4c/0x90 [ 50.659987][ T500] kstrdup_const+0x55/0x90 [ 50.664382][ T500] __kernfs_new_node+0x99/0x6e0 [ 50.669209][ T500] ? stack_trace_save+0x12d/0x1f0 [ 50.674210][ T500] ? kernfs_new_node+0x170/0x170 [ 50.679125][ T500] ? stack_trace_snprint+0x100/0x100 [ 50.684391][ T500] ? dput+0x2ce/0x320 [ 50.688480][ T500] ? device_add+0xbe/0xbd0 [ 50.692964][ T500] kernfs_create_dir_ns+0x9b/0x230 [ 50.698055][ T500] sysfs_create_dir_ns+0x181/0x390 [ 50.703167][ T500] ? sysfs_warn_dup+0xa0/0xa0 [ 50.707836][ T500] kobject_add_internal+0x766/0xda0 [ 50.713012][ T500] kobject_add+0x14c/0x210 [ 50.717407][ T500] ? _raw_spin_lock+0xa3/0x1b0 [ 50.722233][ T500] ? kobject_init+0x1e0/0x1e0 [ 50.726886][ T500] ? __kasan_check_write+0x14/0x20 [ 50.731981][ T500] ? mutex_unlock+0x1d/0x40 [ 50.736458][ T500] ? get_device_parent+0x2c5/0x430 [ 50.741555][ T500] device_add+0x3ca/0xbd0 [ 50.745881][ T500] __device_add_disk+0x7c1/0x11b0 [ 50.750891][ T500] ? device_add_disk+0x40/0x40 [ 50.755633][ T500] ? vsprintf+0x40/0x40 [ 50.759775][ T500] device_add_disk+0x2a/0x40 [ 50.764350][ T500] loop_add+0x533/0x770 [ 50.768485][ T500] loop_control_ioctl+0x564/0x740 [ 50.773481][ T500] ? loop_remove+0xb0/0xb0 [ 50.777874][ T500] ? __fget_files+0x310/0x370 [ 50.782618][ T500] ? security_file_ioctl+0xb1/0xd0 [ 50.787705][ T500] ? loop_remove+0xb0/0xb0 [ 50.792091][ T500] __se_sys_ioctl+0x115/0x190 [ 50.796739][ T500] __x64_sys_ioctl+0x7b/0x90 [ 50.801301][ T500] do_syscall_64+0x34/0x70 [ 50.805689][ T500] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.811553][ T500] RIP: 0033:0x7f56c0e470e9 [ 50.815942][ T500] 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 [ 50.835523][ T500] RSP: 002b:00007f56c0dbd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 50.843931][ T500] RAX: ffffffffffffffda RBX: 00007f56c0f59f60 RCX: 00007f56c0e470e9 [ 50.851884][ T500] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 50.859916][ T500] RBP: 00007f56c0dbd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 50.867862][ T500] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 50.875807][ T500] R13: 00007ffe13ed37bf R14: 00007f56c0dbd300 R15: 0000000000022000 [ 50.883863][ T500] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 50.897102][ T502] FAULT_INJECTION: forcing a failure. [ 50.897102][ T502] name failslab, interval 1, probability 0, space 0, times 0 [ 50.909880][ T502] CPU: 1 PID: 502 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 50.922003][ T502] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.932646][ T502] Call Trace: [ 50.935915][ T502] dump_stack_lvl+0x1e2/0x24b [ 50.940567][ T502] ? panic+0x7d7/0x7d7 [ 50.944611][ T502] ? bfq_pos_tree_add_move+0x43e/0x43e [ 50.950140][ T502] ? memcpy+0x56/0x70 [ 50.954100][ T502] dump_stack+0x15/0x17 [ 50.958318][ T502] should_fail+0x3c0/0x510 [ 50.962716][ T502] ? device_add+0xbe/0xbd0 [ 50.967114][ T502] __should_failslab+0x9f/0xe0 [ 50.971872][ T502] should_failslab+0x9/0x20 [ 50.976350][ T502] kmem_cache_alloc_trace+0x3a/0x330 [ 50.981653][ T502] ? __kasan_check_write+0x14/0x20 [ 50.986746][ T502] device_add+0xbe/0xbd0 [ 50.990959][ T502] __device_add_disk+0x7c1/0x11b0 [ 50.996028][ T502] ? device_add_disk+0x40/0x40 [ 51.000781][ T502] ? vsprintf+0x40/0x40 [ 51.005091][ T502] device_add_disk+0x2a/0x40 [ 51.009755][ T502] loop_add+0x533/0x770 [ 51.013893][ T502] loop_control_ioctl+0x564/0x740 [ 51.018895][ T502] ? loop_remove+0xb0/0xb0 [ 51.023292][ T502] ? __fget_files+0x310/0x370 [ 51.027943][ T502] ? security_file_ioctl+0xb1/0xd0 [ 51.033025][ T502] ? loop_remove+0xb0/0xb0 [ 51.037424][ T502] __se_sys_ioctl+0x115/0x190 [ 51.042078][ T502] __x64_sys_ioctl+0x7b/0x90 [ 51.046648][ T502] do_syscall_64+0x34/0x70 [ 51.051037][ T502] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.056902][ T502] RIP: 0033:0x7f56c0e470e9 [ 51.061293][ T502] 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 [ 51.081132][ T502] RSP: 002b:00007f56c0dbd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 51.089538][ T502] RAX: ffffffffffffffda RBX: 00007f56c0f59f60 RCX: 00007f56c0e470e9 [ 51.097691][ T502] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 51.105733][ T502] RBP: 00007f56c0dbd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 51.113775][ T502] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 51.121735][ T502] R13: 00007ffe13ed37bf R14: 00007f56c0dbd300 R15: 0000000000022000 [ 51.136682][ T504] FAULT_INJECTION: forcing a failure. [ 51.136682][ T504] name failslab, interval 1, probability 0, space 0, times 0 [ 51.149373][ T504] CPU: 0 PID: 504 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 51.161494][ T504] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.171526][ T504] Call Trace: [ 51.174793][ T504] dump_stack_lvl+0x1e2/0x24b [ 51.179442][ T504] ? panic+0x7d7/0x7d7 [ 51.183482][ T504] ? bfq_pos_tree_add_move+0x43e/0x43e [ 51.188911][ T504] ? __kasan_kmalloc+0x9/0x10 [ 51.193564][ T504] ? kobj_map+0x72/0x6f0 [ 51.197789][ T504] ? __device_add_disk+0x6e0/0x11b0 [ 51.202974][ T504] ? device_add_disk+0x2a/0x40 [ 51.207804][ T504] ? loop_control_ioctl+0x564/0x740 [ 51.212974][ T504] ? __se_sys_ioctl+0x115/0x190 [ 51.217803][ T504] ? __x64_sys_ioctl+0x7b/0x90 [ 51.222543][ T504] dump_stack+0x15/0x17 [ 51.226674][ T504] should_fail+0x3c0/0x510 [ 51.231065][ T504] ? kvasprintf_const+0x139/0x180 [ 51.236066][ T504] __should_failslab+0x9f/0xe0 [ 51.240803][ T504] should_failslab+0x9/0x20 [ 51.245282][ T504] __kmalloc_track_caller+0x5f/0x350 [ 51.250539][ T504] kstrdup_const+0x55/0x90 [ 51.254929][ T504] kvasprintf_const+0x139/0x180 [ 51.259761][ T504] kobject_set_name_vargs+0x61/0x120 [ 51.265016][ T504] dev_set_name+0xd1/0x120 [ 51.269415][ T504] ? __kmalloc+0x1f7/0x360 [ 51.273806][ T504] ? get_device+0x30/0x30 [ 51.278118][ T504] ? kobj_map+0x6ad/0x6f0 [ 51.282510][ T504] __device_add_disk+0x733/0x11b0 [ 51.287510][ T504] ? device_add_disk+0x40/0x40 [ 51.292249][ T504] ? vsprintf+0x40/0x40 [ 51.296394][ T504] device_add_disk+0x2a/0x40 [ 51.300977][ T504] loop_add+0x533/0x770 [ 51.305105][ T504] loop_control_ioctl+0x564/0x740 [ 51.310105][ T504] ? loop_remove+0xb0/0xb0 [ 51.314500][ T504] ? __fget_files+0x310/0x370 [ 51.319149][ T504] ? security_file_ioctl+0xb1/0xd0 [ 51.324230][ T504] ? loop_remove+0xb0/0xb0 [ 51.328628][ T504] __se_sys_ioctl+0x115/0x190 [ 51.333284][ T504] __x64_sys_ioctl+0x7b/0x90 [ 51.337955][ T504] do_syscall_64+0x34/0x70 [ 51.342347][ T504] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.348229][ T504] RIP: 0033:0x7f56c0e470e9 [ 51.352624][ T504] 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 [ 51.372313][ T504] RSP: 002b:00007f56c0dbd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 51.380704][ T504] RAX: ffffffffffffffda RBX: 00007f56c0f59f60 RCX: 00007f56c0e470e9 [ 51.388741][ T504] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 51.397039][ T504] RBP: 00007f56c0dbd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 51.404986][ T504] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 51.412942][ T504] R13: 00007ffe13ed37bf R14: 00007f56c0dbd300 R15: 0000000000022000 [ 51.429404][ T506] FAULT_INJECTION: forcing a failure. [ 51.429404][ T506] name failslab, interval 1, probability 0, space 0, times 0 [ 51.442078][ T506] CPU: 1 PID: 506 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 51.454404][ T506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.464514][ T506] Call Trace: [ 51.467801][ T506] dump_stack_lvl+0x1e2/0x24b [ 51.472465][ T506] ? panic+0x7d7/0x7d7 [ 51.476514][ T506] ? bfq_pos_tree_add_move+0x43e/0x43e [ 51.481949][ T506] ? __kasan_kmalloc+0x9/0x10 [ 51.486598][ T506] ? kobj_map+0x72/0x6f0 [ 51.490810][ T506] ? __device_add_disk+0x6e0/0x11b0 [ 51.495977][ T506] ? device_add_disk+0x2a/0x40 [ 51.500807][ T506] ? loop_control_ioctl+0x564/0x740 [ 51.505996][ T506] ? __se_sys_ioctl+0x115/0x190 [ 51.510817][ T506] ? __x64_sys_ioctl+0x7b/0x90 [ 51.515553][ T506] dump_stack+0x15/0x17 [ 51.519678][ T506] should_fail+0x3c0/0x510 [ 51.524070][ T506] ? kvasprintf_const+0x139/0x180 [ 51.529067][ T506] __should_failslab+0x9f/0xe0 [ 51.533803][ T506] should_failslab+0x9/0x20 [ 51.538276][ T506] __kmalloc_track_caller+0x5f/0x350 [ 51.543533][ T506] kstrdup_const+0x55/0x90 [ 51.547924][ T506] kvasprintf_const+0x139/0x180 [ 51.552921][ T506] kobject_set_name_vargs+0x61/0x120 [ 51.558173][ T506] dev_set_name+0xd1/0x120 [ 51.562559][ T506] ? __kmalloc+0x1f7/0x360 [ 51.566944][ T506] ? get_device+0x30/0x30 [ 51.571247][ T506] ? kobj_map+0x6ad/0x6f0 [ 51.575551][ T506] __device_add_disk+0x733/0x11b0 [ 51.580547][ T506] ? device_add_disk+0x40/0x40 [ 51.585283][ T506] ? vsprintf+0x40/0x40 [ 51.589495][ T506] device_add_disk+0x2a/0x40 [ 51.594144][ T506] loop_add+0x533/0x770 [ 51.598270][ T506] loop_control_ioctl+0x564/0x740 [ 51.603262][ T506] ? loop_remove+0xb0/0xb0 [ 51.607651][ T506] ? __fget_files+0x310/0x370 [ 51.612385][ T506] ? security_file_ioctl+0xb1/0xd0 [ 51.617476][ T506] ? loop_remove+0xb0/0xb0 [ 51.621863][ T506] __se_sys_ioctl+0x115/0x190 [ 51.626510][ T506] __x64_sys_ioctl+0x7b/0x90 [ 51.631167][ T506] do_syscall_64+0x34/0x70 [ 51.635578][ T506] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.641438][ T506] RIP: 0033:0x7f56c0e470e9 [ 51.645922][ T506] 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 [ 51.665596][ T506] RSP: 002b:00007f56c0dbd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 51.673986][ T506] RAX: ffffffffffffffda RBX: 00007f56c0f59f60 RCX: 00007f56c0e470e9 [ 51.682292][ T506] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 51.690239][ T506] RBP: 00007f56c0dbd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 51.698188][ T506] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 51.706134][ T506] R13: 00007ffe13ed37bf R14: 00007f56c0dbd300 R15: 0000000000022000 [ 51.720150][ T508] FAULT_INJECTION: forcing a failure. [ 51.720150][ T508] name failslab, interval 1, probability 0, space 0, times 0 [ 51.733094][ T508] CPU: 1 PID: 508 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 51.745228][ T508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.755434][ T508] Call Trace: [ 51.758702][ T508] dump_stack_lvl+0x1e2/0x24b [ 51.763507][ T508] ? bfq_pos_tree_add_move+0x43e/0x43e [ 51.768953][ T508] dump_stack+0x15/0x17 [ 51.773086][ T508] should_fail+0x3c0/0x510 [ 51.777475][ T508] ? __kernfs_new_node+0x99/0x6e0 [ 51.782483][ T508] __should_failslab+0x9f/0xe0 [ 51.787241][ T508] should_failslab+0x9/0x20 [ 51.791720][ T508] __kmalloc_track_caller+0x5f/0x350 [ 51.796978][ T508] ? __kernel_text_address+0x9a/0x110 [ 51.802334][ T508] ? unwind_get_return_address+0x4c/0x90 [ 51.807945][ T508] kstrdup_const+0x55/0x90 [ 51.812342][ T508] __kernfs_new_node+0x99/0x6e0 [ 51.817174][ T508] ? stack_trace_save+0x12d/0x1f0 [ 51.822180][ T508] ? kernfs_new_node+0x170/0x170 [ 51.827097][ T508] ? stack_trace_snprint+0x100/0x100 [ 51.832362][ T508] ? dput+0x2ce/0x320 [ 51.836322][ T508] ? device_add+0xbe/0xbd0 [ 51.840718][ T508] kernfs_create_dir_ns+0x9b/0x230 [ 51.845804][ T508] sysfs_create_dir_ns+0x181/0x390 [ 51.850897][ T508] ? sysfs_warn_dup+0xa0/0xa0 [ 51.855554][ T508] kobject_add_internal+0x766/0xda0 [ 51.860726][ T508] kobject_add+0x14c/0x210 [ 51.865115][ T508] ? _raw_spin_lock+0xa3/0x1b0 [ 51.869852][ T508] ? kobject_init+0x1e0/0x1e0 [ 51.874501][ T508] ? __kasan_check_write+0x14/0x20 [ 51.879699][ T508] ? mutex_unlock+0x1d/0x40 [ 51.884176][ T508] ? get_device_parent+0x2c5/0x430 [ 51.889271][ T508] device_add+0x3ca/0xbd0 [ 51.893628][ T508] __device_add_disk+0x7c1/0x11b0 [ 51.898972][ T508] ? device_add_disk+0x40/0x40 [ 51.903713][ T508] ? vsprintf+0x40/0x40 [ 51.907841][ T508] device_add_disk+0x2a/0x40 [ 51.912490][ T508] loop_add+0x533/0x770 [ 51.916625][ T508] loop_control_ioctl+0x564/0x740 [ 51.921625][ T508] ? loop_remove+0xb0/0xb0 [ 51.926014][ T508] ? __fget_files+0x310/0x370 [ 51.930668][ T508] ? security_file_ioctl+0xb1/0xd0 [ 51.935757][ T508] ? loop_remove+0xb0/0xb0 [ 51.940156][ T508] __se_sys_ioctl+0x115/0x190 [ 51.944805][ T508] __x64_sys_ioctl+0x7b/0x90 [ 51.949367][ T508] do_syscall_64+0x34/0x70 [ 51.953761][ T508] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.959712][ T508] RIP: 0033:0x7f56c0e470e9 [ 51.964105][ T508] 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 [ 51.983777][ T508] RSP: 002b:00007f56c0dbd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 51.992168][ T508] RAX: ffffffffffffffda RBX: 00007f56c0f59f60 RCX: 00007f56c0e470e9 [ 52.000200][ T508] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 52.008274][ T508] RBP: 00007f56c0dbd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 52.016222][ T508] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 52.024171][ T508] R13: 00007ffe13ed37bf R14: 00007f56c0dbd300 R15: 0000000000022000 [ 52.032743][ T508] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 52.046643][ T510] FAULT_INJECTION: forcing a failure. [ 52.046643][ T510] name failslab, interval 1, probability 0, space 0, times 0 [ 52.059250][ T510] CPU: 0 PID: 510 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 52.071373][ T510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.081402][ T510] Call Trace: [ 52.084669][ T510] dump_stack_lvl+0x1e2/0x24b [ 52.089337][ T510] ? panic+0x7d7/0x7d7 [ 52.093377][ T510] ? bfq_pos_tree_add_move+0x43e/0x43e [ 52.098806][ T510] ? memcpy+0x56/0x70 [ 52.102759][ T510] dump_stack+0x15/0x17 [ 52.106892][ T510] should_fail+0x3c0/0x510 [ 52.111277][ T510] ? device_add+0xbe/0xbd0 [ 52.115671][ T510] __should_failslab+0x9f/0xe0 [ 52.120580][ T510] should_failslab+0x9/0x20 [ 52.125060][ T510] kmem_cache_alloc_trace+0x3a/0x330 [ 52.130408][ T510] ? __kasan_check_write+0x14/0x20 [ 52.135499][ T510] device_add+0xbe/0xbd0 [ 52.139816][ T510] __device_add_disk+0x7c1/0x11b0 [ 52.144999][ T510] ? device_add_disk+0x40/0x40 [ 52.149749][ T510] ? vsprintf+0x40/0x40 [ 52.153880][ T510] device_add_disk+0x2a/0x40 [ 52.158447][ T510] loop_add+0x533/0x770 [ 52.162577][ T510] loop_control_ioctl+0x564/0x740 [ 52.167583][ T510] ? loop_remove+0xb0/0xb0 [ 52.171984][ T510] ? __fget_files+0x310/0x370 [ 52.176641][ T510] ? security_file_ioctl+0xb1/0xd0 [ 52.181727][ T510] ? loop_remove+0xb0/0xb0 [ 52.186124][ T510] __se_sys_ioctl+0x115/0x190 [ 52.190771][ T510] __x64_sys_ioctl+0x7b/0x90 [ 52.195333][ T510] do_syscall_64+0x34/0x70 [ 52.199808][ T510] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.205670][ T510] RIP: 0033:0x7f56c0e470e9 [ 52.210058][ T510] 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 [ 52.229640][ T510] RSP: 002b:00007f56c0dbd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 52.238036][ T510] RAX: ffffffffffffffda RBX: 00007f56c0f59f60 RCX: 00007f56c0e470e9 [ 52.245993][ T510] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 52.253972][ T510] RBP: 00007f56c0dbd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 52.261925][ T510] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 52.269873][ T510] R13: 00007ffe13ed37bf R14: 00007f56c0dbd300 R15: 0000000000022000 [ 52.284848][ T512] FAULT_INJECTION: forcing a failure. [ 52.284848][ T512] name failslab, interval 1, probability 0, space 0, times 0 [ 52.297456][ T512] CPU: 1 PID: 512 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 52.309572][ T512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.319690][ T512] Call Trace: [ 52.322959][ T512] dump_stack_lvl+0x1e2/0x24b [ 52.327652][ T512] ? panic+0x7d7/0x7d7 [ 52.331704][ T512] ? bfq_pos_tree_add_move+0x43e/0x43e [ 52.337245][ T512] dump_stack+0x15/0x17 [ 52.341375][ T512] should_fail+0x3c0/0x510 [ 52.345764][ T512] __should_failslab+0x9f/0xe0 [ 52.350502][ T512] should_failslab+0x9/0x20 [ 52.354982][ T512] kmem_cache_alloc+0x3f/0x300 [ 52.359803][ T512] ? __kernfs_new_node+0xdb/0x6e0 [ 52.364801][ T512] __kernfs_new_node+0xdb/0x6e0 [ 52.369622][ T512] ? mutex_unlock+0x1d/0x40 [ 52.374111][ T512] ? kernfs_new_node+0x170/0x170 [ 52.379036][ T512] ? kernfs_add_one+0x4c5/0x5e0 [ 52.383859][ T512] ? kernfs_create_dir_ns+0x1eb/0x230 [ 52.389203][ T512] kernfs_new_node+0x97/0x170 [ 52.393852][ T512] __kernfs_create_file+0x4a/0x270 [ 52.398933][ T512] sysfs_add_file_mode_ns+0x273/0x320 [ 52.404382][ T512] sysfs_create_file_ns+0x191/0x2a0 [ 52.409563][ T512] ? sysfs_add_file_mode_ns+0x320/0x320 [ 52.415081][ T512] ? __kasan_check_write+0x14/0x20 [ 52.420163][ T512] ? __up_read+0x16/0x100 [ 52.424466][ T512] device_create_file+0x110/0x1d0 [ 52.429461][ T512] device_add+0x496/0xbd0 [ 52.433763][ T512] __device_add_disk+0x7c1/0x11b0 [ 52.438761][ T512] ? device_add_disk+0x40/0x40 [ 52.443497][ T512] ? vsprintf+0x40/0x40 [ 52.447635][ T512] device_add_disk+0x2a/0x40 [ 52.452201][ T512] loop_add+0x533/0x770 [ 52.456330][ T512] loop_control_ioctl+0x564/0x740 [ 52.461325][ T512] ? loop_remove+0xb0/0xb0 [ 52.465720][ T512] ? __fget_files+0x310/0x370 [ 52.470372][ T512] ? security_file_ioctl+0xb1/0xd0 [ 52.475459][ T512] ? loop_remove+0xb0/0xb0 [ 52.479849][ T512] __se_sys_ioctl+0x115/0x190 [ 52.484504][ T512] __x64_sys_ioctl+0x7b/0x90 [ 52.489169][ T512] do_syscall_64+0x34/0x70 [ 52.493574][ T512] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.499453][ T512] RIP: 0033:0x7f56c0e470e9 [ 52.503842][ T512] 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 [ 52.523614][ T512] RSP: 002b:00007f56c0dbd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 52.532183][ T512] RAX: ffffffffffffffda RBX: 00007f56c0f59f60 RCX: 00007f56c0e470e9 [ 52.540169][ T512] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 52.548122][ T512] RBP: 00007f56c0dbd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 52.556071][ T512] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 52.564020][ T512] R13: 00007ffe13ed37bf R14: 00007f56c0dbd300 R15: 0000000000022000 [ 52.579354][ T514] FAULT_INJECTION: forcing a failure. [ 52.579354][ T514] name failslab, interval 1, probability 0, space 0, times 0 [ 52.592039][ T514] CPU: 1 PID: 514 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 52.604257][ T514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.614301][ T514] Call Trace: [ 52.617574][ T514] dump_stack_lvl+0x1e2/0x24b [ 52.622225][ T514] ? bfq_pos_tree_add_move+0x43e/0x43e [ 52.627744][ T514] dump_stack+0x15/0x17 [ 52.631877][ T514] should_fail+0x3c0/0x510 [ 52.636267][ T514] ? __kernfs_new_node+0x99/0x6e0 [ 52.641271][ T514] __should_failslab+0x9f/0xe0 [ 52.646023][ T514] should_failslab+0x9/0x20 [ 52.650502][ T514] __kmalloc_track_caller+0x5f/0x350 [ 52.655769][ T514] ? __kernel_text_address+0x9a/0x110 [ 52.661112][ T514] ? unwind_get_return_address+0x4c/0x90 [ 52.666721][ T514] kstrdup_const+0x55/0x90 [ 52.671109][ T514] __kernfs_new_node+0x99/0x6e0 [ 52.675933][ T514] ? stack_trace_save+0x12d/0x1f0 [ 52.680953][ T514] ? kernfs_new_node+0x170/0x170 [ 52.685878][ T514] ? stack_trace_snprint+0x100/0x100 [ 52.691142][ T514] ? dput+0x2ce/0x320 [ 52.695105][ T514] ? device_add+0xbe/0xbd0 [ 52.699499][ T514] kernfs_create_dir_ns+0x9b/0x230 [ 52.704587][ T514] sysfs_create_dir_ns+0x181/0x390 [ 52.709691][ T514] ? sysfs_warn_dup+0xa0/0xa0 [ 52.714346][ T514] kobject_add_internal+0x766/0xda0 [ 52.719531][ T514] kobject_add+0x14c/0x210 [ 52.723929][ T514] ? _raw_spin_lock+0xa3/0x1b0 [ 52.728676][ T514] ? kobject_init+0x1e0/0x1e0 [ 52.733330][ T514] ? __kasan_check_write+0x14/0x20 [ 52.738547][ T514] ? mutex_unlock+0x1d/0x40 [ 52.743131][ T514] ? get_device_parent+0x2c5/0x430 [ 52.748226][ T514] device_add+0x3ca/0xbd0 [ 52.752537][ T514] __device_add_disk+0x7c1/0x11b0 [ 52.757623][ T514] ? device_add_disk+0x40/0x40 [ 52.762362][ T514] ? vsprintf+0x40/0x40 [ 52.766500][ T514] device_add_disk+0x2a/0x40 [ 52.771166][ T514] loop_add+0x533/0x770 [ 52.775297][ T514] loop_control_ioctl+0x564/0x740 [ 52.780296][ T514] ? loop_remove+0xb0/0xb0 [ 52.784684][ T514] ? __fget_files+0x310/0x370 [ 52.789856][ T514] ? security_file_ioctl+0xb1/0xd0 [ 52.794939][ T514] ? loop_remove+0xb0/0xb0 [ 52.799331][ T514] __se_sys_ioctl+0x115/0x190 [ 52.803982][ T514] __x64_sys_ioctl+0x7b/0x90 [ 52.808543][ T514] do_syscall_64+0x34/0x70 [ 52.812935][ T514] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.818811][ T514] RIP: 0033:0x7f56c0e470e9 [ 52.823290][ T514] 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 [ 52.842975][ T514] RSP: 002b:00007f56c0dbd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 52.851363][ T514] RAX: ffffffffffffffda RBX: 00007f56c0f59f60 RCX: 00007f56c0e470e9 [ 52.859307][ T514] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 52.867251][ T514] RBP: 00007f56c0dbd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 52.875195][ T514] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 52.883153][ T514] R13: 00007ffe13ed37bf R14: 00007f56c0dbd300 R15: 0000000000022000 [ 52.891375][ T514] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 52.907886][ T516] FAULT_INJECTION: forcing a failure. [ 52.907886][ T516] name failslab, interval 1, probability 0, space 0, times 0 [ 52.920513][ T516] CPU: 0 PID: 516 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 52.932641][ T516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.942769][ T516] Call Trace: [ 52.946397][ T516] dump_stack_lvl+0x1e2/0x24b [ 52.951053][ T516] ? panic+0x7d7/0x7d7 [ 52.955097][ T516] ? bfq_pos_tree_add_move+0x43e/0x43e [ 52.960531][ T516] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 52.965670][ T516] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 52.970866][ T516] dump_stack+0x15/0x17 [ 52.975002][ T516] should_fail+0x3c0/0x510 [ 52.979671][ T516] ? kobj_map+0x72/0x6f0 [ 52.983907][ T516] __should_failslab+0x9f/0xe0 [ 52.988655][ T516] should_failslab+0x9/0x20 [ 52.993140][ T516] __kmalloc+0x60/0x360 [ 52.997305][ T516] ? __device_add_disk+0x585/0x11b0 [ 53.002489][ T516] kobj_map+0x72/0x6f0 [ 53.006540][ T516] ? exact_match+0x20/0x20 [ 53.010938][ T516] ? bdev_check_media_change+0x4c0/0x4c0 [ 53.016545][ T516] __device_add_disk+0x6e0/0x11b0 [ 53.021549][ T516] ? device_add_disk+0x40/0x40 [ 53.026292][ T516] ? vsprintf+0x40/0x40 [ 53.030441][ T516] device_add_disk+0x2a/0x40 [ 53.035010][ T516] loop_add+0x533/0x770 [ 53.039138][ T516] loop_control_ioctl+0x564/0x740 [ 53.044135][ T516] ? loop_remove+0xb0/0xb0 [ 53.048541][ T516] ? __fget_files+0x310/0x370 [ 53.053202][ T516] ? security_file_ioctl+0xb1/0xd0 [ 53.058292][ T516] ? loop_remove+0xb0/0xb0 [ 53.062687][ T516] __se_sys_ioctl+0x115/0x190 [ 53.067338][ T516] __x64_sys_ioctl+0x7b/0x90 [ 53.071900][ T516] do_syscall_64+0x34/0x70 [ 53.076288][ T516] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.082153][ T516] RIP: 0033:0x7f56c0e470e9 [ 53.086550][ T516] 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 06:33:58 executed programs: 46 [ 53.106241][ T516] RSP: 002b:00007f56c0dbd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 53.114630][ T516] RAX: ffffffffffffffda RBX: 00007f56c0f59f60 RCX: 00007f56c0e470e9 [ 53.122583][ T516] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 53.130528][ T516] RBP: 00007f56c0dbd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 53.138478][ T516] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 53.146422][ T516] R13: 00007ffe13ed37bf R14: 00007f56c0dbd300 R15: 0000000000022000 [ 53.184183][ T426] udevd[426]: inotify_add_watch(7, /dev/loop0, 10) failed: No such file or directory [ 53.185727][ T518] FAULT_INJECTION: forcing a failure. [ 53.185727][ T518] name failslab, interval 1, probability 0, space 0, times 0 [ 53.206286][ T518] CPU: 1 PID: 518 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 53.218406][ T518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.228521][ T518] Call Trace: [ 53.231809][ T518] dump_stack_lvl+0x1e2/0x24b [ 53.236470][ T518] ? bfq_pos_tree_add_move+0x43e/0x43e [ 53.241905][ T518] dump_stack+0x15/0x17 [ 53.246093][ T518] should_fail+0x3c0/0x510 [ 53.250493][ T518] ? __kernfs_new_node+0x99/0x6e0 [ 53.255491][ T518] __should_failslab+0x9f/0xe0 [ 53.260227][ T518] should_failslab+0x9/0x20 [ 53.264706][ T518] __kmalloc_track_caller+0x5f/0x350 [ 53.269974][ T518] ? __kernel_text_address+0x9a/0x110 [ 53.275477][ T518] ? unwind_get_return_address+0x4c/0x90 [ 53.281099][ T518] kstrdup_const+0x55/0x90 [ 53.285499][ T518] __kernfs_new_node+0x99/0x6e0 [ 53.290324][ T518] ? stack_trace_save+0x12d/0x1f0 [ 53.295341][ T518] ? kernfs_new_node+0x170/0x170 [ 53.300258][ T518] ? stack_trace_snprint+0x100/0x100 [ 53.305527][ T518] ? dput+0x2ce/0x320 [ 53.309498][ T518] ? device_add+0xbe/0xbd0 [ 53.313977][ T518] kernfs_create_dir_ns+0x9b/0x230 [ 53.319085][ T518] sysfs_create_dir_ns+0x181/0x390 [ 53.324178][ T518] ? sysfs_warn_dup+0xa0/0xa0 [ 53.328856][ T518] kobject_add_internal+0x766/0xda0 [ 53.334029][ T518] kobject_add+0x14c/0x210 [ 53.338558][ T518] ? _raw_spin_lock+0xa3/0x1b0 [ 53.343301][ T518] ? kobject_init+0x1e0/0x1e0 [ 53.348037][ T518] ? __kasan_check_write+0x14/0x20 [ 53.353132][ T518] ? mutex_unlock+0x1d/0x40 [ 53.357612][ T518] ? get_device_parent+0x2c5/0x430 [ 53.362691][ T518] device_add+0x3ca/0xbd0 [ 53.366991][ T518] __device_add_disk+0x7c1/0x11b0 [ 53.371984][ T518] ? device_add_disk+0x40/0x40 [ 53.376717][ T518] ? vsprintf+0x40/0x40 [ 53.380855][ T518] device_add_disk+0x2a/0x40 [ 53.385510][ T518] loop_add+0x533/0x770 [ 53.389638][ T518] loop_control_ioctl+0x564/0x740 [ 53.394630][ T518] ? loop_remove+0xb0/0xb0 [ 53.399018][ T518] ? __fget_files+0x310/0x370 [ 53.403665][ T518] ? security_file_ioctl+0xb1/0xd0 [ 53.408745][ T518] ? loop_remove+0xb0/0xb0 [ 53.413132][ T518] __se_sys_ioctl+0x115/0x190 [ 53.417785][ T518] __x64_sys_ioctl+0x7b/0x90 [ 53.422346][ T518] do_syscall_64+0x34/0x70 [ 53.426732][ T518] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.432595][ T518] RIP: 0033:0x7f56c0e470e9 [ 53.436987][ T518] 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 [ 53.456576][ T518] RSP: 002b:00007f56c0dbd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 53.464963][ T518] RAX: ffffffffffffffda RBX: 00007f56c0f59f60 RCX: 00007f56c0e470e9 [ 53.473167][ T518] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 53.481202][ T518] RBP: 00007f56c0dbd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 53.489151][ T518] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 53.497181][ T518] R13: 00007ffe13ed37bf R14: 00007f56c0dbd300 R15: 0000000000022000 [ 53.505238][ T518] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 53.519708][ T520] FAULT_INJECTION: forcing a failure. [ 53.519708][ T520] name failslab, interval 1, probability 0, space 0, times 0 [ 53.532323][ T520] CPU: 0 PID: 520 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 53.544442][ T520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.554561][ T520] Call Trace: [ 53.557830][ T520] dump_stack_lvl+0x1e2/0x24b [ 53.562483][ T520] ? bfq_pos_tree_add_move+0x43e/0x43e [ 53.567915][ T520] dump_stack+0x15/0x17 [ 53.572049][ T520] should_fail+0x3c0/0x510 [ 53.576437][ T520] ? __kernfs_new_node+0x99/0x6e0 [ 53.581533][ T520] __should_failslab+0x9f/0xe0 [ 53.586268][ T520] should_failslab+0x9/0x20 [ 53.590740][ T520] __kmalloc_track_caller+0x5f/0x350 [ 53.595998][ T520] ? __kernel_text_address+0x9a/0x110 [ 53.601345][ T520] ? unwind_get_return_address+0x4c/0x90 [ 53.606948][ T520] kstrdup_const+0x55/0x90 [ 53.611341][ T520] __kernfs_new_node+0x99/0x6e0 [ 53.616166][ T520] ? stack_trace_save+0x12d/0x1f0 [ 53.621163][ T520] ? kernfs_new_node+0x170/0x170 [ 53.626069][ T520] ? stack_trace_snprint+0x100/0x100 [ 53.631324][ T520] ? dput+0x2ce/0x320 [ 53.635275][ T520] ? device_add+0xbe/0xbd0 [ 53.639671][ T520] kernfs_create_dir_ns+0x9b/0x230 [ 53.644776][ T520] sysfs_create_dir_ns+0x181/0x390 [ 53.649861][ T520] ? sysfs_warn_dup+0xa0/0xa0 [ 53.654513][ T520] kobject_add_internal+0x766/0xda0 [ 53.659691][ T520] kobject_add+0x14c/0x210 [ 53.664084][ T520] ? _raw_spin_lock+0xa3/0x1b0 [ 53.668822][ T520] ? kobject_init+0x1e0/0x1e0 [ 53.673481][ T520] ? __kasan_check_write+0x14/0x20 [ 53.678563][ T520] ? mutex_unlock+0x1d/0x40 [ 53.683043][ T520] ? get_device_parent+0x2c5/0x430 [ 53.688147][ T520] device_add+0x3ca/0xbd0 [ 53.692467][ T520] __device_add_disk+0x7c1/0x11b0 [ 53.697479][ T520] ? device_add_disk+0x40/0x40 [ 53.702216][ T520] ? vsprintf+0x40/0x40 [ 53.706348][ T520] device_add_disk+0x2a/0x40 [ 53.710910][ T520] loop_add+0x533/0x770 [ 53.715042][ T520] loop_control_ioctl+0x564/0x740 [ 53.720039][ T520] ? loop_remove+0xb0/0xb0 [ 53.724430][ T520] ? __fget_files+0x310/0x370 [ 53.729082][ T520] ? security_file_ioctl+0xb1/0xd0 [ 53.734174][ T520] ? loop_remove+0xb0/0xb0 [ 53.738572][ T520] __se_sys_ioctl+0x115/0x190 [ 53.743221][ T520] __x64_sys_ioctl+0x7b/0x90 [ 53.747784][ T520] do_syscall_64+0x34/0x70 [ 53.752184][ T520] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.758050][ T520] RIP: 0033:0x7f56c0e470e9 [ 53.762462][ T520] 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 [ 53.782042][ T520] RSP: 002b:00007f56c0dbd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 53.790433][ T520] RAX: ffffffffffffffda RBX: 00007f56c0f59f60 RCX: 00007f56c0e470e9 [ 53.798386][ T520] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 53.806344][ T520] RBP: 00007f56c0dbd1d0 R08: 0000000000000000 R09: 0000000000000000 [ 53.814296][ T520] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 53.822251][ T520] R13: 00007ffe13ed37bf R14: 00007f56c0dbd300 R15: 0000000000022000 [ 53.830626][ T520] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 53.845528][ T522] FAULT_INJECTION: forcing a failure. [ 53.845528][ T522] name failslab, interval 1, probability 0, space 0, times 0 [ 53.858166][ T522] CPU: 1 PID: 522 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 53.870292][ T522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.880324][ T522] Call Trace: [ 53.883674][ T522] dump_stack_lvl+0x1e2/0x24b [ 53.888323][ T522] ? panic+0x7d7/0x7d7 [ 53.892371][ T522] ? bfq_pos_tree_add_move+0x43e/0x43e [ 53.897800][ T522] ? memcpy+0x56/0x70 [ 53.901755][ T522] dump_stack+0x15/0x17 [ 53.905882][ T522] should_fail+0x3c0/0x510 [ 53.910278][ T522] ? device_add+0xbe/0xbd0 [ 53.914665][ T522] __should_failslab+0x9f/0xe0 [ 53.919399][ T522] should_failslab+0x9/0x20 [ 53.923874][ T522] kmem_cache_alloc_trace+0x3a/0x330 [ 53.929146][ T522] ? __kasan_check_write+0x14/0x20 [ 53.934328][ T522] device_add+0xbe/0xbd0 [ 53.938554][ T522] __device_add_disk+0x7c1/0x11b0 [ 53.943562][ T522] ? device_add_disk+0x40/0x40 [ 53.948305][ T522] ? vsprintf+0x40/0x40 [ 53.952466][ T522] device_add_disk+0x2a/0x40 [ 53.957044][ T522] loop_add+0x533/0x770 [ 53.961176][ T522] loop_control_ioctl+0x564/0x740 [ 53.966274][ T522] ? loop_remove+0xb0/0xb0 [ 53.970819][ T522] ? __fget_files+0x310/0x370 [ 53.975578][ T522] ? security_file_ioctl+0xb1/0xd0 [ 53.980842][ T522] ? loop_remove+0xb0/0xb0 [ 53.985232][ T522] __se_sys_ioctl+0x115/0x190 [ 53.989881][ T522] __x64_sys_ioctl+0x7b/0x90 [ 53.994452][ T522] do_syscall_64+0x34/0x70 [ 53.998944][ T522] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.004904][ T522] RIP: 0033:0x7f56c0e470e9 [ 54.009303][ T522] 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 [ 54.028991][ T522] RSP: 002b:00007f56c0dbd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010