[ 19.121913][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 19.130008][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 19.145231][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 19.153655][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 19.162189][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 19.177299][ T374] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 19.721632][ T9] device bridge_slave_1 left promiscuous mode [ 19.727758][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 19.750185][ T9] device bridge_slave_0 left promiscuous mode [ 19.756612][ T9] bridge0: port 1(bridge_slave_0) entered disabled state Warning: Permanently added '10.128.1.79' (ECDSA) to the list of known hosts. 2022/05/26 17:33:31 parsed 1 programs [ 37.049629][ T23] kauditd_printk_skb: 65 callbacks suppressed [ 37.049638][ T23] audit: type=1400 audit(1653586411.060:148): avc: denied { mounton } for pid=401 comm="syz-executor" path="/syzcgroup/unified" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=dir permissive=1 [ 37.049949][ T401] cgroup: Unknown subsys name 'net' [ 37.085223][ T401] cgroup: Unknown subsys name 'devices' [ 37.091820][ T401] cgroup: Unknown subsys name 'hugetlb' 2022/05/26 17:33:31 executed programs: 0 [ 37.097577][ T401] cgroup: Unknown subsys name 'rlimit' [ 37.103743][ T23] audit: type=1400 audit(1653586411.120:149): avc: denied { mounton } for pid=401 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 37.128957][ T23] audit: type=1400 audit(1653586411.120:150): avc: denied { mount } for pid=401 comm="syz-executor" name="/" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=filesystem permissive=1 [ 37.152464][ T23] audit: type=1400 audit(1653586411.160:151): avc: denied { mounton } for pid=405 comm="syz-executor.0" path="/sys/fs/fuse/connections" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=dir permissive=1 [ 37.176856][ T23] audit: type=1400 audit(1653586411.160:152): avc: denied { module_request } for pid=405 comm="syz-executor.0" kmod="netdev-nr0" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 37.177065][ T405] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.206360][ T405] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.213721][ T405] device bridge_slave_0 entered promiscuous mode [ 37.220405][ T405] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.227462][ T405] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.234708][ T405] device bridge_slave_1 entered promiscuous mode [ 37.259020][ T405] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.266065][ T405] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.273467][ T405] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.280478][ T405] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.295761][ T108] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.303023][ T108] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.310240][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 37.318311][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.327166][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 37.335315][ T19] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.342459][ T19] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.361857][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 37.370266][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 37.379270][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 37.387318][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 37.396457][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 37.404690][ T19] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.411719][ T19] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.418994][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 37.426919][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 37.436098][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 37.449739][ T23] audit: type=1400 audit(1653586411.460:153): avc: denied { mount } for pid=405 comm="syz-executor.0" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [ 37.476513][ T23] audit: type=1400 audit(1653586411.490:154): avc: denied { ioctl } for pid=410 comm="syz-executor.0" path="/dev/loop-control" dev="devtmpfs" ino=114 ioctlcmd=0x4c81 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 37.543006][ T413] FAULT_INJECTION: forcing a failure. [ 37.543006][ T413] name failslab, interval 1, probability 0, space 0, times 1 [ 37.556065][ T413] CPU: 0 PID: 413 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 37.566809][ T413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.577026][ T413] Call Trace: [ 37.580300][ T413] dump_stack_lvl+0x1e2/0x24b [ 37.584960][ T413] ? bfq_pos_tree_add_move+0x43e/0x43e [ 37.590569][ T413] dump_stack+0x15/0x17 [ 37.594701][ T413] should_fail+0x3c0/0x510 [ 37.599092][ T413] ? __kernfs_new_node+0x99/0x6e0 [ 37.604094][ T413] __should_failslab+0x9f/0xe0 [ 37.608831][ T413] should_failslab+0x9/0x20 [ 37.613411][ T413] __kmalloc_track_caller+0x5f/0x350 [ 37.618799][ T413] ? __kernel_text_address+0x9a/0x110 [ 37.624281][ T413] ? unwind_get_return_address+0x4c/0x90 [ 37.629898][ T413] kstrdup_const+0x55/0x90 [ 37.634293][ T413] __kernfs_new_node+0x99/0x6e0 [ 37.639213][ T413] ? stack_trace_save+0x12d/0x1f0 [ 37.644409][ T413] ? kernfs_new_node+0x170/0x170 [ 37.649424][ T413] ? stack_trace_snprint+0x100/0x100 [ 37.654691][ T413] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 37.660477][ T413] ? stack_depot_save+0x433/0x4a0 [ 37.665574][ T413] ? device_add+0xbe/0xbd0 [ 37.669986][ T413] kernfs_create_dir_ns+0x9b/0x230 [ 37.675091][ T413] sysfs_create_dir_ns+0x181/0x390 [ 37.680181][ T413] ? sysfs_warn_dup+0xa0/0xa0 [ 37.684934][ T413] kobject_add_internal+0x766/0xda0 [ 37.690105][ T413] kobject_add+0x14c/0x210 [ 37.694505][ T413] ? _raw_spin_lock+0xa3/0x1b0 [ 37.699243][ T413] ? kobject_init+0x1e0/0x1e0 [ 37.704075][ T413] ? __kasan_check_write+0x14/0x20 [ 37.709247][ T413] ? mutex_unlock+0x1d/0x40 [ 37.713740][ T413] ? get_device_parent+0x2c5/0x430 [ 37.718845][ T413] device_add+0x3ca/0xbd0 [ 37.723257][ T413] __device_add_disk+0x7c1/0x11b0 [ 37.728486][ T413] ? device_add_disk+0x40/0x40 [ 37.733241][ T413] ? sprintf+0xd6/0x120 [ 37.737474][ T413] ? vsprintf+0x40/0x40 [ 37.741619][ T413] ? device_initialize+0x1d9/0x3a0 [ 37.746726][ T413] device_add_disk+0x2a/0x40 [ 37.751301][ T413] loop_add+0x583/0x850 [ 37.755440][ T413] loop_control_ioctl+0x564/0x740 [ 37.760465][ T413] ? loop_remove+0xb0/0xb0 [ 37.765106][ T413] ? __fget_files+0x310/0x370 [ 37.769783][ T413] ? security_file_ioctl+0xb1/0xd0 [ 37.774892][ T413] ? loop_remove+0xb0/0xb0 [ 37.779315][ T413] __se_sys_ioctl+0x115/0x190 [ 37.783968][ T413] __x64_sys_ioctl+0x7b/0x90 [ 37.788531][ T413] do_syscall_64+0x34/0x70 [ 37.793022][ T413] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 37.799008][ T413] RIP: 0033:0x7ff069f800e9 [ 37.803683][ T413] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 37.823946][ T413] RSP: 002b:00007ff069ef6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 37.832881][ T413] RAX: ffffffffffffffda RBX: 00007ff06a092f60 RCX: 00007ff069f800e9 [ 37.845890][ T413] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 37.854109][ T413] RBP: 00007ff069ef61d0 R08: 0000000000000000 R09: 0000000000000000 [ 37.862232][ T413] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 37.870293][ T413] R13: 00007ffe9c321c4f R14: 00007ff069ef6300 R15: 0000000000022000 [ 37.879006][ T413] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 37.888070][ T413] ================================================================== [ 37.896339][ T413] BUG: KASAN: use-after-free in loop_add+0x65f/0x850 [ 37.903218][ T413] Write of size 8 at addr ffff88810dc18460 by task syz-executor.0/413 [ 37.911879][ T413] [ 37.914210][ T413] CPU: 0 PID: 413 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 37.925307][ T413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.935646][ T413] Call Trace: [ 37.939142][ T413] dump_stack_lvl+0x1e2/0x24b [ 37.943996][ T413] ? bfq_pos_tree_add_move+0x43e/0x43e [ 37.950279][ T413] ? panic+0x7d7/0x7d7 [ 37.954972][ T413] ? kfree+0xc3/0x290 [ 37.959791][ T413] ? ____kasan_slab_free+0x12c/0x160 [ 37.965099][ T413] print_address_description+0x81/0x3c0 [ 37.970736][ T413] ? __kasan_slab_free+0x11/0x20 [ 37.975929][ T413] kasan_report+0x1a4/0x1f0 [ 37.980993][ T413] ? loop_add+0x65f/0x850 [ 37.985842][ T413] ? loop_add+0x65f/0x850 [ 37.991026][ T413] __asan_report_store8_noabort+0x17/0x20 [ 37.997218][ T413] loop_add+0x65f/0x850 [ 38.001497][ T413] loop_control_ioctl+0x564/0x740 [ 38.006614][ T413] ? loop_remove+0xb0/0xb0 [ 38.011715][ T413] ? __fget_files+0x310/0x370 [ 38.016615][ T413] ? security_file_ioctl+0xb1/0xd0 [ 38.021990][ T413] ? loop_remove+0xb0/0xb0 [ 38.026486][ T413] __se_sys_ioctl+0x115/0x190 [ 38.031260][ T413] __x64_sys_ioctl+0x7b/0x90 [ 38.035858][ T413] do_syscall_64+0x34/0x70 [ 38.040258][ T413] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 38.046743][ T413] RIP: 0033:0x7ff069f800e9 [ 38.051756][ T413] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 38.072544][ T413] RSP: 002b:00007ff069ef6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 38.081233][ T413] RAX: ffffffffffffffda RBX: 00007ff06a092f60 RCX: 00007ff069f800e9 [ 38.089341][ T413] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 38.097654][ T413] RBP: 00007ff069ef61d0 R08: 0000000000000000 R09: 0000000000000000 [ 38.105789][ T413] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 38.114299][ T413] R13: 00007ffe9c321c4f R14: 00007ff069ef6300 R15: 0000000000022000 [ 38.122867][ T413] [ 38.125215][ T413] Allocated by task 413: [ 38.129627][ T413] ____kasan_kmalloc+0xdc/0x110 [ 38.134461][ T413] __kasan_kmalloc+0x9/0x10 [ 38.139232][ T413] kmem_cache_alloc_trace+0x1dd/0x330 [ 38.145153][ T413] __alloc_disk_node+0x75/0x330 [ 38.150329][ T413] loop_add+0x365/0x850 [ 38.154821][ T413] loop_control_ioctl+0x564/0x740 [ 38.160073][ T413] __se_sys_ioctl+0x115/0x190 [ 38.165157][ T413] __x64_sys_ioctl+0x7b/0x90 [ 38.169791][ T413] do_syscall_64+0x34/0x70 [ 38.174366][ T413] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 38.180259][ T413] [ 38.183586][ T413] Freed by task 413: [ 38.187822][ T413] kasan_set_track+0x4c/0x80 [ 38.193015][ T413] kasan_set_free_info+0x23/0x40 [ 38.198469][ T413] ____kasan_slab_free+0x121/0x160 [ 38.204190][ T413] __kasan_slab_free+0x11/0x20 [ 38.208952][ T413] slab_free_freelist_hook+0xcc/0x1a0 [ 38.214570][ T413] kfree+0xc3/0x290 [ 38.218993][ T413] disk_release+0x240/0x2a0 [ 38.223491][ T413] device_release+0x9c/0x1d0 [ 38.228618][ T413] kobject_put+0x163/0x240 [ 38.233137][ T413] put_disk+0x23/0x30 [ 38.237186][ T413] loop_add+0x5cc/0x850 [ 38.241422][ T413] loop_control_ioctl+0x564/0x740 [ 38.246532][ T413] __se_sys_ioctl+0x115/0x190 [ 38.251668][ T413] __x64_sys_ioctl+0x7b/0x90 [ 38.257368][ T413] do_syscall_64+0x34/0x70 [ 38.262057][ T413] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 38.268129][ T413] [ 38.270480][ T413] The buggy address belongs to the object at ffff88810dc18000 [ 38.270480][ T413] which belongs to the cache kmalloc-2k of size 2048 [ 38.285073][ T413] The buggy address is located 1120 bytes inside of [ 38.285073][ T413] 2048-byte region [ffff88810dc18000, ffff88810dc18800) [ 38.299460][ T413] The buggy address belongs to the page: [ 38.305196][ T413] page:ffffea0004370600 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10dc18 [ 38.315746][ T413] head:ffffea0004370600 order:3 compound_mapcount:0 compound_pincount:0 [ 38.324139][ T413] flags: 0x8000000000010200(slab|head) [ 38.329834][ T413] raw: 8000000000010200 dead000000000100 dead000000000122 ffff888100042d80 [ 38.338846][ T413] raw: 0000000000000000 0000000000080008 00000001ffffffff 0000000000000000 [ 38.347407][ T413] page dumped because: kasan: bad access detected [ 38.353801][ T413] page_owner tracks the page as allocated [ 38.359498][ T413] page last allocated via order 3, migratetype Unmovable, gfp_mask 0x1d2a20(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 0, ts 37541524615, free_ts 37506235118 [ 38.379168][ T413] get_page_from_freelist+0x745/0x760 [ 38.384520][ T413] __alloc_pages_nodemask+0x3b6/0x890 [ 38.389869][ T413] allocate_slab+0x78/0x540 [ 38.394349][ T413] ___slab_alloc+0x131/0x2e0 [ 38.398915][ T413] __slab_alloc+0x63/0xa0 [ 38.403221][ T413] __kmalloc_track_caller+0x23e/0x350 [ 38.408567][ T413] __alloc_skb+0xbe/0x580 [ 38.412872][ T413] alloc_skb_with_frags+0xac/0x5a0 [ 38.417958][ T413] sock_alloc_send_pskb+0x848/0x970 [ 38.423134][ T413] sock_alloc_send_skb+0x32/0x40 [ 38.428109][ T413] mld_newpack+0x1b4/0x9c0 [ 38.432500][ T413] add_grec+0xf55/0x13d0 [ 38.436804][ T413] mld_ifc_timer_expire+0x781/0xc50 [ 38.441976][ T413] call_timer_fn+0x35/0x270 [ 38.446451][ T413] expire_timers+0x21b/0x3a0 [ 38.451017][ T413] __run_timers+0x598/0x6f0 [ 38.455512][ T413] page last free stack trace: [ 38.460255][ T413] __free_pages_ok+0x7f8/0x830 [ 38.465099][ T413] __free_pages+0x2d2/0x4c0 [ 38.469576][ T413] __free_slab+0xd3/0x190 [ 38.473879][ T413] unfreeze_partials+0x17d/0x1b0 [ 38.478878][ T413] put_cpu_partial+0xc8/0x190 [ 38.483577][ T413] __slab_free+0x2d8/0x3a0 [ 38.487977][ T413] ___cache_free+0x11f/0x140 [ 38.492542][ T413] qlink_free+0x38/0x40 [ 38.496692][ T413] qlist_free_all+0x4c/0xc0 [ 38.501276][ T413] kasan_quarantine_reduce+0x15a/0x170 [ 38.506722][ T413] __kasan_slab_alloc+0x2f/0xe0 [ 38.511562][ T413] kmem_cache_alloc+0x16c/0x300 [ 38.516392][ T413] getname_flags+0xba/0x510 [ 38.520870][ T413] user_path_at_empty+0x2d/0x50 [ 38.525718][ T413] do_readlinkat+0x11b/0x3b0 [ 38.530300][ T413] __x64_sys_readlink+0x7f/0x90 [ 38.535302][ T413] [ 38.537612][ T413] Memory state around the buggy address: [ 38.543221][ T413] ffff88810dc18300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 38.551357][ T413] ffff88810dc18380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 38.559507][ T413] >ffff88810dc18400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 38.567727][ T413] ^ [ 38.574905][ T413] ffff88810dc18480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 38.582954][ T413] ffff88810dc18500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 38.591442][ T413] ================================================================== [ 38.599516][ T413] Disabling lock debugging due to kernel taint [ 38.606758][ T23] audit: type=1400 audit(1653586412.620:155): 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 [ 38.629302][ T23] audit: type=1400 audit(1653586412.620:156): 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 [ 38.653160][ T23] audit: type=1400 audit(1653586412.620:157): 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 [ 38.657715][ T415] FAULT_INJECTION: forcing a failure. [ 38.657715][ T415] name failslab, interval 1, probability 0, space 0, times 0 [ 38.689195][ T415] CPU: 1 PID: 415 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 38.701431][ T415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.711557][ T415] Call Trace: [ 38.714833][ T415] dump_stack_lvl+0x1e2/0x24b [ 38.719492][ T415] ? bfq_pos_tree_add_move+0x43e/0x43e [ 38.724925][ T415] dump_stack+0x15/0x17 [ 38.729057][ T415] should_fail+0x3c0/0x510 [ 38.733447][ T415] ? __kernfs_new_node+0x99/0x6e0 [ 38.738441][ T415] __should_failslab+0x9f/0xe0 [ 38.743190][ T415] should_failslab+0x9/0x20 [ 38.747760][ T415] __kmalloc_track_caller+0x5f/0x350 [ 38.753028][ T415] ? __kernel_text_address+0x9a/0x110 [ 38.758372][ T415] ? unwind_get_return_address+0x4c/0x90 [ 38.763987][ T415] kstrdup_const+0x55/0x90 [ 38.768386][ T415] __kernfs_new_node+0x99/0x6e0 [ 38.773215][ T415] ? stack_trace_save+0x12d/0x1f0 [ 38.778221][ T415] ? kernfs_new_node+0x170/0x170 [ 38.783420][ T415] ? stack_trace_snprint+0x100/0x100 [ 38.788688][ T415] ? dput+0x2ce/0x320 [ 38.792652][ T415] ? device_add+0xbe/0xbd0 [ 38.797130][ T415] kernfs_create_dir_ns+0x9b/0x230 [ 38.803153][ T415] sysfs_create_dir_ns+0x181/0x390 [ 38.808533][ T415] ? sysfs_warn_dup+0xa0/0xa0 [ 38.813358][ T415] kobject_add_internal+0x766/0xda0 [ 38.818527][ T415] kobject_add+0x14c/0x210 [ 38.822916][ T415] ? _raw_spin_lock+0xa3/0x1b0 [ 38.827743][ T415] ? kobject_init+0x1e0/0x1e0 [ 38.832399][ T415] ? __kasan_check_write+0x14/0x20 [ 38.837485][ T415] ? mutex_unlock+0x1d/0x40 [ 38.841973][ T415] ? get_device_parent+0x2c5/0x430 [ 38.847055][ T415] device_add+0x3ca/0xbd0 [ 38.851376][ T415] __device_add_disk+0x7c1/0x11b0 [ 38.856417][ T415] ? device_add_disk+0x40/0x40 [ 38.861435][ T415] ? sprintf+0xd6/0x120 [ 38.865583][ T415] ? vsprintf+0x40/0x40 [ 38.869719][ T415] ? device_initialize+0x1d9/0x3a0 [ 38.874821][ T415] device_add_disk+0x2a/0x40 [ 38.879403][ T415] loop_add+0x583/0x850 [ 38.883545][ T415] loop_control_ioctl+0x564/0x740 [ 38.888555][ T415] ? loop_remove+0xb0/0xb0 [ 38.892966][ T415] ? __fget_files+0x310/0x370 [ 38.897642][ T415] ? security_file_ioctl+0xb1/0xd0 [ 38.902838][ T415] ? loop_remove+0xb0/0xb0 [ 38.907240][ T415] __se_sys_ioctl+0x115/0x190 [ 38.911896][ T415] __x64_sys_ioctl+0x7b/0x90 [ 38.916461][ T415] do_syscall_64+0x34/0x70 [ 38.920965][ T415] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 38.928238][ T415] RIP: 0033:0x7ff069f800e9 [ 38.932683][ T415] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 38.952400][ T415] RSP: 002b:00007ff069ef6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 38.960926][ T415] RAX: ffffffffffffffda RBX: 00007ff06a092f60 RCX: 00007ff069f800e9 [ 38.968890][ T415] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 38.976864][ T415] RBP: 00007ff069ef61d0 R08: 0000000000000000 R09: 0000000000000000 [ 38.984835][ T415] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 38.992885][ T415] R13: 00007ffe9c321c4f R14: 00007ff069ef6300 R15: 0000000000022000 [ 39.002847][ T415] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 39.017903][ T417] FAULT_INJECTION: forcing a failure. [ 39.017903][ T417] name failslab, interval 1, probability 0, space 0, times 0 [ 39.030905][ T417] CPU: 0 PID: 417 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 39.043390][ T417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.053892][ T417] Call Trace: [ 39.057172][ T417] dump_stack_lvl+0x1e2/0x24b [ 39.061840][ T417] ? bfq_pos_tree_add_move+0x43e/0x43e [ 39.067286][ T417] ? kmem_cache_free+0xa9/0x1f0 [ 39.072122][ T417] dump_stack+0x15/0x17 [ 39.076267][ T417] should_fail+0x3c0/0x510 [ 39.080851][ T417] __should_failslab+0x9f/0xe0 [ 39.085610][ T417] should_failslab+0x9/0x20 [ 39.090088][ T417] kmem_cache_alloc+0x3f/0x300 [ 39.094934][ T417] ? __d_alloc+0x2d/0x6b0 [ 39.099250][ T417] __d_alloc+0x2d/0x6b0 [ 39.103480][ T417] ? avc_has_perm_noaudit+0x358/0x4c0 [ 39.108827][ T417] d_alloc_parallel+0xe6/0x1330 [ 39.113845][ T417] ? avc_has_perm_noaudit+0x2ed/0x4c0 [ 39.119205][ T417] ? avc_denied+0x1b0/0x1b0 [ 39.123688][ T417] ? kfree+0xc3/0x290 [ 39.127770][ T417] ? d_hash_and_lookup+0x200/0x200 [ 39.132875][ T417] ? selinux_inode_permission+0x439/0x670 [ 39.138702][ T417] ? selinux_inode_follow_link+0x3c0/0x3c0 [ 39.144501][ T417] ? kobject_uevent_env+0x348/0x730 [ 39.149936][ T417] __lookup_slow+0x14e/0x400 [ 39.154511][ T417] ? __d_lookup+0x4da/0x530 [ 39.158990][ T417] ? lookup_one_len+0x6a0/0x6a0 [ 39.163820][ T417] lookup_one_len+0x43d/0x6a0 [ 39.168476][ T417] ? try_lookup_one_len+0x660/0x660 [ 39.173663][ T417] ? device_create+0x2bc/0x2e0 [ 39.178506][ T417] ? mntput+0x63/0xc0 [ 39.182479][ T417] start_creating+0x166/0x320 [ 39.187138][ T417] debugfs_create_dir+0x27/0x450 [ 39.192053][ T417] ? number+0xd9b/0x1040 [ 39.196273][ T417] bdi_register_va+0x260/0x600 [ 39.201012][ T417] bdi_register+0xd1/0x120 [ 39.205494][ T417] ? vsnprintf+0x1fa/0x1cd0 [ 39.210031][ T417] ? __device_add_disk+0x585/0x11b0 [ 39.215300][ T417] ? bdi_register_va+0x600/0x600 [ 39.220217][ T417] ? vsnprintf+0x1bfd/0x1cd0 [ 39.224872][ T417] ? __kasan_check_read+0x11/0x20 [ 39.229871][ T417] ? blk_alloc_devt+0xd4/0x320 [ 39.234730][ T417] __device_add_disk+0x61c/0x11b0 [ 39.239866][ T417] ? device_add_disk+0x40/0x40 [ 39.244610][ T417] ? sprintf+0xd6/0x120 [ 39.248866][ T417] ? vsprintf+0x40/0x40 [ 39.253001][ T417] ? device_initialize+0x1d9/0x3a0 [ 39.258087][ T417] device_add_disk+0x2a/0x40 [ 39.262656][ T417] loop_add+0x583/0x850 [ 39.266785][ T417] loop_control_ioctl+0x564/0x740 [ 39.271785][ T417] ? loop_remove+0xb0/0xb0 [ 39.276185][ T417] ? __fget_files+0x310/0x370 [ 39.280841][ T417] ? security_file_ioctl+0xb1/0xd0 [ 39.285928][ T417] ? loop_remove+0xb0/0xb0 [ 39.290364][ T417] __se_sys_ioctl+0x115/0x190 [ 39.295245][ T417] __x64_sys_ioctl+0x7b/0x90 [ 39.299917][ T417] do_syscall_64+0x34/0x70 [ 39.304311][ T417] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 39.310195][ T417] RIP: 0033:0x7ff069f800e9 [ 39.314582][ T417] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 39.334496][ T417] RSP: 002b:00007ff069ef6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 39.343609][ T417] RAX: ffffffffffffffda RBX: 00007ff06a092f60 RCX: 00007ff069f800e9 [ 39.352555][ T417] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 39.360975][ T417] RBP: 00007ff069ef61d0 R08: 0000000000000000 R09: 0000000000000000 [ 39.370846][ T417] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 39.378896][ T417] R13: 00007ffe9c321c4f R14: 00007ff069ef6300 R15: 0000000000022000 [ 39.432664][ T419] FAULT_INJECTION: forcing a failure. [ 39.432664][ T419] name failslab, interval 1, probability 0, space 0, times 0 [ 39.445772][ T419] CPU: 1 PID: 419 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 39.458269][ T419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.468393][ T419] Call Trace: [ 39.471681][ T419] dump_stack_lvl+0x1e2/0x24b [ 39.476349][ T419] ? panic+0x7d7/0x7d7 [ 39.480618][ T419] ? bfq_pos_tree_add_move+0x43e/0x43e [ 39.486077][ T419] dump_stack+0x15/0x17 [ 39.490221][ T419] should_fail+0x3c0/0x510 [ 39.494642][ T419] __should_failslab+0x9f/0xe0 [ 39.499408][ T419] should_failslab+0x9/0x20 [ 39.503908][ T419] kmem_cache_alloc+0x3f/0x300 [ 39.509003][ T419] ? __kernfs_new_node+0xdb/0x6e0 [ 39.514449][ T419] __kernfs_new_node+0xdb/0x6e0 [ 39.519379][ T419] ? stack_trace_save+0x12d/0x1f0 [ 39.524491][ T419] ? kernfs_new_node+0x170/0x170 [ 39.529610][ T419] ? stack_trace_snprint+0x100/0x100 [ 39.535529][ T419] ? dput+0x2ce/0x320 [ 39.539505][ T419] ? device_add+0xbe/0xbd0 [ 39.544099][ T419] kernfs_create_dir_ns+0x9b/0x230 [ 39.549377][ T419] sysfs_create_dir_ns+0x181/0x390 [ 39.554474][ T419] ? sysfs_warn_dup+0xa0/0xa0 [ 39.559216][ T419] kobject_add_internal+0x766/0xda0 [ 39.564394][ T419] kobject_add+0x14c/0x210 [ 39.568786][ T419] ? _raw_spin_lock+0xa3/0x1b0 [ 39.573532][ T419] ? kobject_init+0x1e0/0x1e0 [ 39.578192][ T419] ? __kasan_check_write+0x14/0x20 [ 39.583280][ T419] ? mutex_unlock+0x1d/0x40 [ 39.587779][ T419] ? get_device_parent+0x2c5/0x430 [ 39.592866][ T419] device_add+0x3ca/0xbd0 [ 39.597291][ T419] __device_add_disk+0x7c1/0x11b0 [ 39.602399][ T419] ? device_add_disk+0x40/0x40 [ 39.607145][ T419] ? sprintf+0xd6/0x120 [ 39.611277][ T419] ? vsprintf+0x40/0x40 [ 39.615530][ T419] ? device_initialize+0x1d9/0x3a0 [ 39.620794][ T419] device_add_disk+0x2a/0x40 [ 39.625373][ T419] loop_add+0x583/0x850 [ 39.629595][ T419] loop_control_ioctl+0x564/0x740 [ 39.634596][ T419] ? loop_remove+0xb0/0xb0 [ 39.638999][ T419] ? __fget_files+0x310/0x370 [ 39.643660][ T419] ? security_file_ioctl+0xb1/0xd0 [ 39.648758][ T419] ? loop_remove+0xb0/0xb0 [ 39.653169][ T419] __se_sys_ioctl+0x115/0x190 [ 39.657832][ T419] __x64_sys_ioctl+0x7b/0x90 [ 39.662504][ T419] do_syscall_64+0x34/0x70 [ 39.666929][ T419] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 39.672804][ T419] RIP: 0033:0x7ff069f800e9 [ 39.677200][ T419] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 39.696809][ T419] RSP: 002b:00007ff069ef6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 39.705210][ T419] RAX: ffffffffffffffda RBX: 00007ff06a092f60 RCX: 00007ff069f800e9 [ 39.713378][ T419] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 39.722043][ T419] RBP: 00007ff069ef61d0 R08: 0000000000000000 R09: 0000000000000000 [ 39.730203][ T419] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 39.738281][ T419] R13: 00007ffe9c321c4f R14: 00007ff069ef6300 R15: 0000000000022000 [ 39.746761][ T419] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 39.760961][ T421] FAULT_INJECTION: forcing a failure. [ 39.760961][ T421] name failslab, interval 1, probability 0, space 0, times 0 [ 39.774465][ T421] CPU: 0 PID: 421 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 39.786827][ T421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.796972][ T421] Call Trace: [ 39.800330][ T421] dump_stack_lvl+0x1e2/0x24b [ 39.805082][ T421] ? bfq_pos_tree_add_move+0x43e/0x43e [ 39.810611][ T421] dump_stack+0x15/0x17 [ 39.815043][ T421] should_fail+0x3c0/0x510 [ 39.819827][ T421] ? __kernfs_new_node+0x99/0x6e0 [ 39.824836][ T421] __should_failslab+0x9f/0xe0 [ 39.830287][ T421] should_failslab+0x9/0x20 [ 39.835121][ T421] __kmalloc_track_caller+0x5f/0x350 [ 39.840788][ T421] ? __kernel_text_address+0x9a/0x110 [ 39.846855][ T421] ? unwind_get_return_address+0x4c/0x90 [ 39.852746][ T421] kstrdup_const+0x55/0x90 [ 39.857341][ T421] __kernfs_new_node+0x99/0x6e0 [ 39.862281][ T421] ? stack_trace_save+0x12d/0x1f0 [ 39.867279][ T421] ? kernfs_new_node+0x170/0x170 [ 39.872765][ T421] ? stack_trace_snprint+0x100/0x100 [ 39.878130][ T421] ? dput+0x2ce/0x320 [ 39.882172][ T421] ? device_add+0xbe/0xbd0 [ 39.886596][ T421] kernfs_create_dir_ns+0x9b/0x230 [ 39.891776][ T421] sysfs_create_dir_ns+0x181/0x390 [ 39.897039][ T421] ? sysfs_warn_dup+0xa0/0xa0 [ 39.901708][ T421] kobject_add_internal+0x766/0xda0 [ 39.907077][ T421] kobject_add+0x14c/0x210 [ 39.911980][ T421] ? _raw_spin_lock+0xa3/0x1b0 [ 39.917028][ T421] ? kobject_init+0x1e0/0x1e0 [ 39.921692][ T421] ? __kasan_check_write+0x14/0x20 [ 39.926784][ T421] ? mutex_unlock+0x1d/0x40 [ 39.931264][ T421] ? get_device_parent+0x2c5/0x430 [ 39.936419][ T421] device_add+0x3ca/0xbd0 [ 39.940729][ T421] __device_add_disk+0x7c1/0x11b0 [ 39.945785][ T421] ? device_add_disk+0x40/0x40 [ 39.950530][ T421] ? sprintf+0xd6/0x120 [ 39.954673][ T421] ? vsprintf+0x40/0x40 [ 39.958805][ T421] ? device_initialize+0x1d9/0x3a0 [ 39.964017][ T421] device_add_disk+0x2a/0x40 [ 39.968596][ T421] loop_add+0x583/0x850 [ 39.972753][ T421] loop_control_ioctl+0x564/0x740 [ 39.978417][ T421] ? loop_remove+0xb0/0xb0 [ 39.983000][ T421] ? __fget_files+0x310/0x370 [ 39.987847][ T421] ? security_file_ioctl+0xb1/0xd0 [ 39.992950][ T421] ? loop_remove+0xb0/0xb0 [ 39.997359][ T421] __se_sys_ioctl+0x115/0x190 [ 40.002019][ T421] __x64_sys_ioctl+0x7b/0x90 [ 40.006584][ T421] do_syscall_64+0x34/0x70 [ 40.010977][ T421] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.016842][ T421] RIP: 0033:0x7ff069f800e9 [ 40.021233][ T421] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 40.041427][ T421] RSP: 002b:00007ff069ef6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 40.049816][ T421] RAX: ffffffffffffffda RBX: 00007ff06a092f60 RCX: 00007ff069f800e9 [ 40.057860][ T421] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 40.065805][ T421] RBP: 00007ff069ef61d0 R08: 0000000000000000 R09: 0000000000000000 [ 40.073959][ T421] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.081936][ T421] R13: 00007ffe9c321c4f R14: 00007ff069ef6300 R15: 0000000000022000 [ 40.091843][ T421] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 40.106947][ T423] FAULT_INJECTION: forcing a failure. [ 40.106947][ T423] name failslab, interval 1, probability 0, space 0, times 0 [ 40.120077][ T423] CPU: 0 PID: 423 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 40.132231][ T423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.142284][ T423] Call Trace: [ 40.145555][ T423] dump_stack_lvl+0x1e2/0x24b [ 40.150287][ T423] ? bfq_pos_tree_add_move+0x43e/0x43e [ 40.155725][ T423] dump_stack+0x15/0x17 [ 40.159942][ T423] should_fail+0x3c0/0x510 [ 40.164646][ T423] ? __kernfs_new_node+0x99/0x6e0 [ 40.169663][ T423] __should_failslab+0x9f/0xe0 [ 40.174512][ T423] should_failslab+0x9/0x20 [ 40.179016][ T423] __kmalloc_track_caller+0x5f/0x350 [ 40.184446][ T423] ? __kernel_text_address+0x9a/0x110 [ 40.189840][ T423] ? unwind_get_return_address+0x4c/0x90 [ 40.195696][ T423] kstrdup_const+0x55/0x90 [ 40.200373][ T423] __kernfs_new_node+0x99/0x6e0 [ 40.205551][ T423] ? stack_trace_save+0x12d/0x1f0 [ 40.210548][ T423] ? kernfs_new_node+0x170/0x170 [ 40.215467][ T423] ? stack_trace_snprint+0x100/0x100 [ 40.220726][ T423] ? dput+0x2ce/0x320 [ 40.224696][ T423] ? device_add+0xbe/0xbd0 [ 40.229367][ T423] kernfs_create_dir_ns+0x9b/0x230 [ 40.234570][ T423] sysfs_create_dir_ns+0x181/0x390 [ 40.239855][ T423] ? sysfs_warn_dup+0xa0/0xa0 [ 40.244862][ T423] kobject_add_internal+0x766/0xda0 [ 40.250196][ T423] kobject_add+0x14c/0x210 [ 40.254803][ T423] ? _raw_spin_lock+0xa3/0x1b0 [ 40.259939][ T423] ? kobject_init+0x1e0/0x1e0 [ 40.264739][ T423] ? __kasan_check_write+0x14/0x20 [ 40.269839][ T423] ? mutex_unlock+0x1d/0x40 [ 40.274320][ T423] ? get_device_parent+0x2c5/0x430 [ 40.279524][ T423] device_add+0x3ca/0xbd0 [ 40.283832][ T423] __device_add_disk+0x7c1/0x11b0 [ 40.288843][ T423] ? device_add_disk+0x40/0x40 [ 40.293676][ T423] ? sprintf+0xd6/0x120 [ 40.297805][ T423] ? vsprintf+0x40/0x40 [ 40.301935][ T423] ? device_initialize+0x1d9/0x3a0 [ 40.307019][ T423] device_add_disk+0x2a/0x40 [ 40.311610][ T423] loop_add+0x583/0x850 [ 40.315781][ T423] loop_control_ioctl+0x564/0x740 [ 40.320874][ T423] ? loop_remove+0xb0/0xb0 [ 40.325273][ T423] ? __fget_files+0x310/0x370 [ 40.329945][ T423] ? security_file_ioctl+0xb1/0xd0 [ 40.335040][ T423] ? loop_remove+0xb0/0xb0 [ 40.339443][ T423] __se_sys_ioctl+0x115/0x190 [ 40.344100][ T423] __x64_sys_ioctl+0x7b/0x90 [ 40.348670][ T423] do_syscall_64+0x34/0x70 [ 40.353063][ T423] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.359048][ T423] RIP: 0033:0x7ff069f800e9 [ 40.363534][ T423] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 40.385620][ T423] RSP: 002b:00007ff069ef6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 40.394017][ T423] RAX: ffffffffffffffda RBX: 00007ff06a092f60 RCX: 00007ff069f800e9 [ 40.401965][ T423] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 40.409917][ T423] RBP: 00007ff069ef61d0 R08: 0000000000000000 R09: 0000000000000000 [ 40.417869][ T423] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.425993][ T423] R13: 00007ffe9c321c4f R14: 00007ff069ef6300 R15: 0000000000022000 [ 40.434242][ T423] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 40.449154][ T425] FAULT_INJECTION: forcing a failure. [ 40.449154][ T425] name failslab, interval 1, probability 0, space 0, times 0 [ 40.461819][ T425] CPU: 0 PID: 425 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 40.473952][ T425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.483993][ T425] Call Trace: [ 40.487381][ T425] dump_stack_lvl+0x1e2/0x24b [ 40.492046][ T425] ? bfq_pos_tree_add_move+0x43e/0x43e [ 40.497647][ T425] dump_stack+0x15/0x17 [ 40.501985][ T425] should_fail+0x3c0/0x510 [ 40.506411][ T425] ? __kernfs_new_node+0x99/0x6e0 [ 40.511555][ T425] __should_failslab+0x9f/0xe0 [ 40.516456][ T425] should_failslab+0x9/0x20 [ 40.521033][ T425] __kmalloc_track_caller+0x5f/0x350 [ 40.526407][ T425] ? __kernel_text_address+0x9a/0x110 [ 40.532069][ T425] ? unwind_get_return_address+0x4c/0x90 [ 40.537778][ T425] kstrdup_const+0x55/0x90 [ 40.542183][ T425] __kernfs_new_node+0x99/0x6e0 [ 40.547015][ T425] ? stack_trace_save+0x12d/0x1f0 [ 40.552253][ T425] ? kernfs_new_node+0x170/0x170 [ 40.557361][ T425] ? stack_trace_snprint+0x100/0x100 [ 40.562809][ T425] ? dput+0x2ce/0x320 [ 40.566784][ T425] ? device_add+0xbe/0xbd0 [ 40.571287][ T425] kernfs_create_dir_ns+0x9b/0x230 [ 40.576393][ T425] sysfs_create_dir_ns+0x181/0x390 [ 40.581517][ T425] ? sysfs_warn_dup+0xa0/0xa0 [ 40.586186][ T425] kobject_add_internal+0x766/0xda0 [ 40.591517][ T425] kobject_add+0x14c/0x210 [ 40.595921][ T425] ? _raw_spin_lock+0xa3/0x1b0 [ 40.601011][ T425] ? kobject_init+0x1e0/0x1e0 [ 40.605942][ T425] ? __kasan_check_write+0x14/0x20 [ 40.611693][ T425] ? mutex_unlock+0x1d/0x40 [ 40.616188][ T425] ? get_device_parent+0x2c5/0x430 [ 40.621300][ T425] device_add+0x3ca/0xbd0 [ 40.625607][ T425] __device_add_disk+0x7c1/0x11b0 [ 40.630607][ T425] ? device_add_disk+0x40/0x40 [ 40.635350][ T425] ? sprintf+0xd6/0x120 [ 40.639480][ T425] ? vsprintf+0x40/0x40 [ 40.643610][ T425] ? device_initialize+0x1d9/0x3a0 [ 40.648695][ T425] device_add_disk+0x2a/0x40 [ 40.653272][ T425] loop_add+0x583/0x850 [ 40.657414][ T425] loop_control_ioctl+0x564/0x740 [ 40.662416][ T425] ? loop_remove+0xb0/0xb0 [ 40.666806][ T425] ? __fget_files+0x310/0x370 [ 40.671479][ T425] ? security_file_ioctl+0xb1/0xd0 [ 40.676569][ T425] ? loop_remove+0xb0/0xb0 [ 40.680960][ T425] __se_sys_ioctl+0x115/0x190 [ 40.685608][ T425] __x64_sys_ioctl+0x7b/0x90 [ 40.690174][ T425] do_syscall_64+0x34/0x70 [ 40.694564][ T425] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.700429][ T425] RIP: 0033:0x7ff069f800e9 [ 40.704817][ 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 [ 40.725068][ T425] RSP: 002b:00007ff069ef6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 40.733465][ T425] RAX: ffffffffffffffda RBX: 00007ff06a092f60 RCX: 00007ff069f800e9 [ 40.741414][ T425] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 40.749365][ T425] RBP: 00007ff069ef61d0 R08: 0000000000000000 R09: 0000000000000000 [ 40.757316][ T425] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.765439][ T425] R13: 00007ffe9c321c4f R14: 00007ff069ef6300 R15: 0000000000022000 [ 40.774648][ T425] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 40.789030][ T427] FAULT_INJECTION: forcing a failure. [ 40.789030][ T427] name failslab, interval 1, probability 0, space 0, times 0 [ 40.801811][ T427] CPU: 1 PID: 427 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 40.813936][ T427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.823986][ T427] Call Trace: [ 40.827358][ T427] dump_stack_lvl+0x1e2/0x24b [ 40.832015][ T427] ? bfq_pos_tree_add_move+0x43e/0x43e [ 40.837458][ T427] dump_stack+0x15/0x17 [ 40.841606][ T427] should_fail+0x3c0/0x510 [ 40.846005][ T427] ? __kernfs_new_node+0x99/0x6e0 [ 40.851011][ T427] __should_failslab+0x9f/0xe0 [ 40.855761][ T427] should_failslab+0x9/0x20 [ 40.860262][ T427] __kmalloc_track_caller+0x5f/0x350 [ 40.865525][ T427] ? __kernel_text_address+0x9a/0x110 [ 40.870883][ T427] ? unwind_get_return_address+0x4c/0x90 [ 40.876495][ T427] kstrdup_const+0x55/0x90 [ 40.880886][ T427] __kernfs_new_node+0x99/0x6e0 [ 40.885710][ T427] ? stack_trace_save+0x12d/0x1f0 [ 40.890792][ T427] ? kernfs_new_node+0x170/0x170 [ 40.895789][ T427] ? stack_trace_snprint+0x100/0x100 [ 40.901076][ T427] ? dput+0x2ce/0x320 [ 40.905244][ T427] ? device_add+0xbe/0xbd0 [ 40.909646][ T427] kernfs_create_dir_ns+0x9b/0x230 [ 40.914744][ T427] sysfs_create_dir_ns+0x181/0x390 [ 40.920098][ T427] ? sysfs_warn_dup+0xa0/0xa0 [ 40.924778][ T427] kobject_add_internal+0x766/0xda0 [ 40.929970][ T427] kobject_add+0x14c/0x210 [ 40.934369][ T427] ? _raw_spin_lock+0xa3/0x1b0 [ 40.939197][ T427] ? kobject_init+0x1e0/0x1e0 [ 40.944100][ T427] ? __kasan_check_write+0x14/0x20 [ 40.949196][ T427] ? mutex_unlock+0x1d/0x40 [ 40.953702][ T427] ? get_device_parent+0x2c5/0x430 [ 40.958793][ T427] device_add+0x3ca/0xbd0 [ 40.963097][ T427] __device_add_disk+0x7c1/0x11b0 [ 40.968103][ T427] ? device_add_disk+0x40/0x40 [ 40.972852][ T427] ? sprintf+0xd6/0x120 [ 40.977001][ T427] ? vsprintf+0x40/0x40 [ 40.981144][ T427] ? device_initialize+0x1d9/0x3a0 [ 40.986340][ T427] device_add_disk+0x2a/0x40 [ 40.990946][ T427] loop_add+0x583/0x850 [ 40.995089][ T427] loop_control_ioctl+0x564/0x740 [ 41.000089][ T427] ? loop_remove+0xb0/0xb0 [ 41.004481][ T427] ? __fget_files+0x310/0x370 [ 41.009131][ T427] ? security_file_ioctl+0xb1/0xd0 [ 41.014414][ T427] ? loop_remove+0xb0/0xb0 [ 41.018977][ T427] __se_sys_ioctl+0x115/0x190 [ 41.023642][ T427] __x64_sys_ioctl+0x7b/0x90 [ 41.028208][ T427] do_syscall_64+0x34/0x70 [ 41.032618][ T427] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.038492][ T427] RIP: 0033:0x7ff069f800e9 [ 41.042892][ T427] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 41.062951][ T427] RSP: 002b:00007ff069ef6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 41.071433][ T427] RAX: ffffffffffffffda RBX: 00007ff06a092f60 RCX: 00007ff069f800e9 [ 41.079467][ T427] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 41.087443][ T427] RBP: 00007ff069ef61d0 R08: 0000000000000000 R09: 0000000000000000 [ 41.095885][ T427] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.103976][ T427] R13: 00007ffe9c321c4f R14: 00007ff069ef6300 R15: 0000000000022000 [ 41.113062][ T427] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 41.127544][ T429] FAULT_INJECTION: forcing a failure. [ 41.127544][ T429] name failslab, interval 1, probability 0, space 0, times 0 [ 41.140333][ T429] CPU: 1 PID: 429 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 41.152740][ T429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.162908][ T429] Call Trace: [ 41.166195][ T429] dump_stack_lvl+0x1e2/0x24b [ 41.170868][ T429] ? panic+0x7d7/0x7d7 [ 41.175365][ T429] ? bfq_pos_tree_add_move+0x43e/0x43e [ 41.180834][ T429] dump_stack+0x15/0x17 [ 41.185165][ T429] should_fail+0x3c0/0x510 [ 41.189680][ T429] __should_failslab+0x9f/0xe0 [ 41.194874][ T429] should_failslab+0x9/0x20 [ 41.199650][ T429] kmem_cache_alloc+0x3f/0x300 [ 41.204440][ T429] ? __kernfs_new_node+0xdb/0x6e0 [ 41.209536][ T429] __kernfs_new_node+0xdb/0x6e0 [ 41.214669][ T429] ? stack_trace_save+0x12d/0x1f0 [ 41.219876][ T429] ? kernfs_new_node+0x170/0x170 [ 41.224889][ T429] ? stack_trace_snprint+0x100/0x100 [ 41.230190][ T429] ? dput+0x2ce/0x320 [ 41.234169][ T429] ? device_add+0xbe/0xbd0 [ 41.238712][ T429] kernfs_create_dir_ns+0x9b/0x230 [ 41.243937][ T429] sysfs_create_dir_ns+0x181/0x390 [ 41.249307][ T429] ? sysfs_warn_dup+0xa0/0xa0 [ 41.253968][ T429] kobject_add_internal+0x766/0xda0 [ 41.259155][ T429] kobject_add+0x14c/0x210 [ 41.263548][ T429] ? _raw_spin_lock+0xa3/0x1b0 [ 41.268658][ T429] ? kobject_init+0x1e0/0x1e0 [ 41.273662][ T429] ? __kasan_check_write+0x14/0x20 [ 41.278769][ T429] ? mutex_unlock+0x1d/0x40 [ 41.283286][ T429] ? get_device_parent+0x2c5/0x430 [ 41.288397][ T429] device_add+0x3ca/0xbd0 [ 41.293104][ T429] __device_add_disk+0x7c1/0x11b0 [ 41.298432][ T429] ? device_add_disk+0x40/0x40 [ 41.303507][ T429] ? sprintf+0xd6/0x120 [ 41.307643][ T429] ? vsprintf+0x40/0x40 [ 41.311966][ T429] ? device_initialize+0x1d9/0x3a0 [ 41.317245][ T429] device_add_disk+0x2a/0x40 [ 41.321827][ T429] loop_add+0x583/0x850 [ 41.325979][ T429] loop_control_ioctl+0x564/0x740 [ 41.330992][ T429] ? loop_remove+0xb0/0xb0 [ 41.335512][ T429] ? __fget_files+0x310/0x370 [ 41.340194][ T429] ? security_file_ioctl+0xb1/0xd0 [ 41.345297][ T429] ? loop_remove+0xb0/0xb0 [ 41.349702][ T429] __se_sys_ioctl+0x115/0x190 [ 41.354359][ T429] __x64_sys_ioctl+0x7b/0x90 [ 41.358931][ T429] do_syscall_64+0x34/0x70 [ 41.363352][ T429] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.369238][ T429] RIP: 0033:0x7ff069f800e9 [ 41.373748][ T429] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 41.393425][ T429] RSP: 002b:00007ff069ef6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 41.401828][ T429] RAX: ffffffffffffffda RBX: 00007ff06a092f60 RCX: 00007ff069f800e9 [ 41.410519][ T429] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 41.418474][ T429] RBP: 00007ff069ef61d0 R08: 0000000000000000 R09: 0000000000000000 [ 41.426422][ T429] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.434373][ T429] R13: 00007ffe9c321c4f R14: 00007ff069ef6300 R15: 0000000000022000 [ 41.442528][ T429] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 41.455484][ T431] FAULT_INJECTION: forcing a failure. [ 41.455484][ T431] name failslab, interval 1, probability 0, space 0, times 0 [ 41.468229][ T431] CPU: 0 PID: 431 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 41.480383][ T431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.490440][ T431] Call Trace: [ 41.493710][ T431] dump_stack_lvl+0x1e2/0x24b [ 41.498363][ T431] ? panic+0x7d7/0x7d7 [ 41.502516][ T431] ? bfq_pos_tree_add_move+0x43e/0x43e [ 41.508210][ T431] ? __kasan_kmalloc+0x9/0x10 [ 41.512877][ T431] ? kobj_map+0x72/0x6f0 [ 41.517103][ T431] ? __device_add_disk+0x6e0/0x11b0 [ 41.522396][ T431] ? device_add_disk+0x2a/0x40 [ 41.527413][ T431] ? loop_control_ioctl+0x564/0x740 [ 41.532682][ T431] ? __se_sys_ioctl+0x115/0x190 [ 41.537514][ T431] ? __x64_sys_ioctl+0x7b/0x90 [ 41.542254][ T431] dump_stack+0x15/0x17 [ 41.546407][ T431] should_fail+0x3c0/0x510 [ 41.550825][ T431] ? kvasprintf_const+0x139/0x180 [ 41.555833][ T431] __should_failslab+0x9f/0xe0 [ 41.560573][ T431] should_failslab+0x9/0x20 [ 41.565048][ T431] __kmalloc_track_caller+0x5f/0x350 [ 41.570308][ T431] kstrdup_const+0x55/0x90 [ 41.574712][ T431] kvasprintf_const+0x139/0x180 [ 41.579551][ T431] kobject_set_name_vargs+0x61/0x120 [ 41.584814][ T431] dev_set_name+0xd1/0x120 [ 41.589210][ T431] ? __kmalloc+0x1f7/0x360 [ 41.593603][ T431] ? vsnprintf+0x1fa/0x1cd0 [ 41.598080][ T431] ? get_device+0x30/0x30 [ 41.602379][ T431] ? kobj_map+0x6ad/0x6f0 [ 41.606680][ T431] __device_add_disk+0x733/0x11b0 [ 41.611678][ T431] ? device_add_disk+0x40/0x40 [ 41.616428][ T431] ? sprintf+0xd6/0x120 [ 41.620563][ T431] ? vsprintf+0x40/0x40 [ 41.624692][ T431] ? device_initialize+0x1d9/0x3a0 [ 41.629941][ T431] device_add_disk+0x2a/0x40 [ 41.634523][ T431] loop_add+0x583/0x850 [ 41.638657][ T431] loop_control_ioctl+0x564/0x740 [ 41.643655][ T431] ? loop_remove+0xb0/0xb0 [ 41.648049][ T431] ? __fget_files+0x310/0x370 [ 41.652793][ T431] ? security_file_ioctl+0xb1/0xd0 [ 41.657893][ T431] ? loop_remove+0xb0/0xb0 [ 41.662311][ T431] __se_sys_ioctl+0x115/0x190 [ 41.666985][ T431] __x64_sys_ioctl+0x7b/0x90 [ 41.671678][ T431] do_syscall_64+0x34/0x70 [ 41.676074][ T431] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.682128][ T431] RIP: 0033:0x7ff069f800e9 [ 41.686532][ T431] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 41.706217][ T431] RSP: 002b:00007ff069ef6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 41.714622][ T431] RAX: ffffffffffffffda RBX: 00007ff06a092f60 RCX: 00007ff069f800e9 [ 41.722586][ T431] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 41.730690][ T431] RBP: 00007ff069ef61d0 R08: 0000000000000000 R09: 0000000000000000 [ 41.738657][ T431] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.746624][ T431] R13: 00007ffe9c321c4f R14: 00007ff069ef6300 R15: 0000000000022000 [ 41.762155][ T433] FAULT_INJECTION: forcing a failure. [ 41.762155][ T433] name failslab, interval 1, probability 0, space 0, times 0 [ 41.775086][ T433] CPU: 0 PID: 433 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 41.787510][ T433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.797636][ T433] Call Trace: [ 41.800909][ T433] dump_stack_lvl+0x1e2/0x24b [ 41.805563][ T433] ? bfq_pos_tree_add_move+0x43e/0x43e [ 41.811002][ T433] dump_stack+0x15/0x17 [ 41.815145][ T433] should_fail+0x3c0/0x510 [ 41.819671][ T433] ? __kernfs_new_node+0x99/0x6e0 [ 41.824670][ T433] __should_failslab+0x9f/0xe0 [ 41.829496][ T433] should_failslab+0x9/0x20 [ 41.834163][ T433] __kmalloc_track_caller+0x5f/0x350 [ 41.839532][ T433] ? __kernel_text_address+0x9a/0x110 [ 41.846760][ T433] ? unwind_get_return_address+0x4c/0x90 [ 41.856304][ T433] kstrdup_const+0x55/0x90 [ 41.870072][ T433] __kernfs_new_node+0x99/0x6e0 [ 41.880180][ T433] ? stack_trace_save+0x12d/0x1f0 [ 41.885284][ T433] ? kernfs_new_node+0x170/0x170 [ 41.890199][ T433] ? stack_trace_snprint+0x100/0x100 [ 41.895465][ T433] ? dput+0x2ce/0x320 [ 41.899430][ T433] ? device_add+0xbe/0xbd0 [ 41.903834][ T433] kernfs_create_dir_ns+0x9b/0x230 [ 41.908927][ T433] sysfs_create_dir_ns+0x181/0x390 [ 41.914104][ T433] ? sysfs_warn_dup+0xa0/0xa0 [ 41.919566][ T433] kobject_add_internal+0x766/0xda0 [ 41.924964][ T433] kobject_add+0x14c/0x210 [ 41.930673][ T433] ? _raw_spin_lock+0xa3/0x1b0 [ 41.935534][ T433] ? kobject_init+0x1e0/0x1e0 [ 41.940439][ T433] ? __kasan_check_write+0x14/0x20 [ 41.945739][ T433] ? mutex_unlock+0x1d/0x40 [ 41.950247][ T433] ? get_device_parent+0x2c5/0x430 [ 41.955339][ T433] device_add+0x3ca/0xbd0 [ 41.959647][ T433] __device_add_disk+0x7c1/0x11b0 [ 41.966418][ T433] ? device_add_disk+0x40/0x40 [ 41.972039][ T433] ? sprintf+0xd6/0x120 [ 41.976170][ T433] ? vsprintf+0x40/0x40 [ 41.980309][ T433] ? device_initialize+0x1d9/0x3a0 [ 41.985405][ T433] device_add_disk+0x2a/0x40 [ 41.990003][ T433] loop_add+0x583/0x850 [ 41.994145][ T433] loop_control_ioctl+0x564/0x740 [ 41.999147][ T433] ? loop_remove+0xb0/0xb0 [ 42.003543][ T433] ? __fget_files+0x310/0x370 [ 42.008213][ T433] ? security_file_ioctl+0xb1/0xd0 [ 42.013403][ T433] ? loop_remove+0xb0/0xb0 [ 42.017984][ T433] __se_sys_ioctl+0x115/0x190 [ 42.022750][ T433] __x64_sys_ioctl+0x7b/0x90 [ 42.027319][ T433] do_syscall_64+0x34/0x70 [ 42.031808][ T433] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.037678][ T433] RIP: 0033:0x7ff069f800e9 [ 42.042066][ T433] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 42.061780][ T433] RSP: 002b:00007ff069ef6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.070184][ T433] RAX: ffffffffffffffda RBX: 00007ff06a092f60 RCX: 00007ff069f800e9 [ 42.078495][ T433] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 42.086456][ T433] RBP: 00007ff069ef61d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.094680][ T433] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.102938][ T433] R13: 00007ffe9c321c4f R14: 00007ff069ef6300 R15: 0000000000022000 [ 42.112220][ T433] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 42.128216][ T435] FAULT_INJECTION: forcing a failure. [ 42.128216][ T435] name failslab, interval 1, probability 0, space 0, times 0 [ 42.141030][ T435] CPU: 0 PID: 435 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 42.153274][ T435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.163554][ T435] Call Trace: [ 42.166917][ T435] dump_stack_lvl+0x1e2/0x24b [ 42.171568][ T435] ? panic+0x7d7/0x7d7 [ 42.175611][ T435] ? bfq_pos_tree_add_move+0x43e/0x43e [ 42.181056][ T435] ? memcpy+0x56/0x70 [ 42.185193][ T435] dump_stack+0x15/0x17 [ 42.189591][ T435] should_fail+0x3c0/0x510 [ 42.194078][ T435] ? device_add+0xbe/0xbd0 [ 42.198685][ T435] __should_failslab+0x9f/0xe0 [ 42.203698][ T435] should_failslab+0x9/0x20 [ 42.208180][ T435] kmem_cache_alloc_trace+0x3a/0x330 [ 42.213445][ T435] ? __kasan_check_write+0x14/0x20 [ 42.218630][ T435] device_add+0xbe/0xbd0 [ 42.222864][ T435] __device_add_disk+0x7c1/0x11b0 [ 42.227955][ T435] ? device_add_disk+0x40/0x40 [ 42.232782][ T435] ? sprintf+0xd6/0x120 [ 42.236923][ T435] ? vsprintf+0x40/0x40 [ 42.241077][ T435] ? device_initialize+0x1d9/0x3a0 [ 42.246186][ T435] device_add_disk+0x2a/0x40 [ 42.250780][ T435] loop_add+0x583/0x850 [ 42.254922][ T435] loop_control_ioctl+0x564/0x740 [ 42.260099][ T435] ? loop_remove+0xb0/0xb0 [ 42.264675][ T435] ? __fget_files+0x310/0x370 [ 42.269333][ T435] ? security_file_ioctl+0xb1/0xd0 [ 42.274425][ T435] ? loop_remove+0xb0/0xb0 [ 42.278819][ T435] __se_sys_ioctl+0x115/0x190 [ 42.283473][ T435] __x64_sys_ioctl+0x7b/0x90 [ 42.288132][ T435] do_syscall_64+0x34/0x70 [ 42.292629][ T435] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.298599][ T435] RIP: 0033:0x7ff069f800e9 [ 42.302997][ T435] 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 [ 42.323151][ T435] RSP: 002b:00007ff069ef6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.331552][ T435] RAX: ffffffffffffffda RBX: 00007ff06a092f60 RCX: 00007ff069f800e9 2022/05/26 17:33:36 executed programs: 13 [ 42.339506][ T435] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 42.347471][ T435] RBP: 00007ff069ef61d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.355441][ T435] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.363570][ T435] R13: 00007ffe9c321c4f R14: 00007ff069ef6300 R15: 0000000000022000 [ 42.379144][ T437] FAULT_INJECTION: forcing a failure. [ 42.379144][ T437] name failslab, interval 1, probability 0, space 0, times 0 [ 42.392199][ T437] CPU: 0 PID: 437 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 42.404542][ T437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.414575][ T437] Call Trace: [ 42.417854][ T437] dump_stack_lvl+0x1e2/0x24b [ 42.422514][ T437] ? bfq_pos_tree_add_move+0x43e/0x43e [ 42.427965][ T437] dump_stack+0x15/0x17 [ 42.432104][ T437] should_fail+0x3c0/0x510 [ 42.436595][ T437] ? __kernfs_new_node+0x99/0x6e0 [ 42.441597][ T437] __should_failslab+0x9f/0xe0 [ 42.446353][ T437] should_failslab+0x9/0x20 [ 42.450840][ T437] __kmalloc_track_caller+0x5f/0x350 [ 42.456099][ T437] ? __kernel_text_address+0x9a/0x110 [ 42.461668][ T437] ? unwind_get_return_address+0x4c/0x90 [ 42.467390][ T437] kstrdup_const+0x55/0x90 [ 42.471885][ T437] __kernfs_new_node+0x99/0x6e0 [ 42.476721][ T437] ? stack_trace_save+0x12d/0x1f0 [ 42.481721][ T437] ? kernfs_new_node+0x170/0x170 [ 42.486633][ T437] ? stack_trace_snprint+0x100/0x100 [ 42.491931][ T437] ? dput+0x2ce/0x320 [ 42.496006][ T437] ? device_add+0xbe/0xbd0 [ 42.500581][ T437] kernfs_create_dir_ns+0x9b/0x230 [ 42.505670][ T437] sysfs_create_dir_ns+0x181/0x390 [ 42.510870][ T437] ? sysfs_warn_dup+0xa0/0xa0 [ 42.515538][ T437] kobject_add_internal+0x766/0xda0 [ 42.520750][ T437] kobject_add+0x14c/0x210 [ 42.525153][ T437] ? _raw_spin_lock+0xa3/0x1b0 [ 42.529978][ T437] ? kobject_init+0x1e0/0x1e0 [ 42.534636][ T437] ? __kasan_check_write+0x14/0x20 [ 42.540149][ T437] ? mutex_unlock+0x1d/0x40 [ 42.544662][ T437] ? get_device_parent+0x2c5/0x430 [ 42.549938][ T437] device_add+0x3ca/0xbd0 [ 42.554416][ T437] __device_add_disk+0x7c1/0x11b0 [ 42.559720][ T437] ? device_add_disk+0x40/0x40 [ 42.564640][ T437] ? sprintf+0xd6/0x120 [ 42.569021][ T437] ? vsprintf+0x40/0x40 [ 42.573353][ T437] ? device_initialize+0x1d9/0x3a0 [ 42.578624][ T437] device_add_disk+0x2a/0x40 [ 42.583189][ T437] loop_add+0x583/0x850 [ 42.587321][ T437] loop_control_ioctl+0x564/0x740 [ 42.592332][ T437] ? loop_remove+0xb0/0xb0 [ 42.596747][ T437] ? __fget_files+0x310/0x370 [ 42.601499][ T437] ? security_file_ioctl+0xb1/0xd0 [ 42.606584][ T437] ? loop_remove+0xb0/0xb0 [ 42.610996][ T437] __se_sys_ioctl+0x115/0x190 [ 42.615652][ T437] __x64_sys_ioctl+0x7b/0x90 [ 42.620220][ T437] do_syscall_64+0x34/0x70 [ 42.624609][ T437] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.630498][ T437] RIP: 0033:0x7ff069f800e9 [ 42.634907][ T437] 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 [ 42.654668][ T437] RSP: 002b:00007ff069ef6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.663286][ T437] RAX: ffffffffffffffda RBX: 00007ff06a092f60 RCX: 00007ff069f800e9 [ 42.671376][ T437] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 42.679430][ T437] RBP: 00007ff069ef61d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.687386][ T437] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.695494][ T437] R13: 00007ffe9c321c4f R14: 00007ff069ef6300 R15: 0000000000022000 [ 42.703826][ T437] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 42.717843][ T439] FAULT_INJECTION: forcing a failure. [ 42.717843][ T439] name failslab, interval 1, probability 0, space 0, times 0 [ 42.731073][ T439] CPU: 0 PID: 439 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 42.743371][ T439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.753494][ T439] Call Trace: [ 42.756801][ T439] dump_stack_lvl+0x1e2/0x24b [ 42.761476][ T439] ? panic+0x7d7/0x7d7 [ 42.765702][ T439] ? bfq_pos_tree_add_move+0x43e/0x43e [ 42.771203][ T439] ? __kasan_kmalloc+0x9/0x10 [ 42.775999][ T439] ? kobj_map+0x72/0x6f0 [ 42.780392][ T439] ? __device_add_disk+0x6e0/0x11b0 [ 42.785598][ T439] ? device_add_disk+0x2a/0x40 [ 42.790353][ T439] ? loop_control_ioctl+0x564/0x740 [ 42.795540][ T439] ? __se_sys_ioctl+0x115/0x190 [ 42.801251][ T439] ? __x64_sys_ioctl+0x7b/0x90 [ 42.806000][ T439] dump_stack+0x15/0x17 [ 42.810316][ T439] should_fail+0x3c0/0x510 [ 42.815059][ T439] ? kvasprintf_const+0x139/0x180 [ 42.820078][ T439] __should_failslab+0x9f/0xe0 [ 42.824830][ T439] should_failslab+0x9/0x20 [ 42.829398][ T439] __kmalloc_track_caller+0x5f/0x350 [ 42.834668][ T439] kstrdup_const+0x55/0x90 [ 42.839203][ T439] kvasprintf_const+0x139/0x180 [ 42.844124][ T439] kobject_set_name_vargs+0x61/0x120 [ 42.849403][ T439] dev_set_name+0xd1/0x120 [ 42.853932][ T439] ? __kmalloc+0x1f7/0x360 [ 42.858353][ T439] ? vsnprintf+0x1fa/0x1cd0 [ 42.862957][ T439] ? get_device+0x30/0x30 [ 42.867383][ T439] ? kobj_map+0x6ad/0x6f0 [ 42.871696][ T439] __device_add_disk+0x733/0x11b0 [ 42.876696][ T439] ? device_add_disk+0x40/0x40 [ 42.881745][ T439] ? sprintf+0xd6/0x120 [ 42.885877][ T439] ? vsprintf+0x40/0x40 [ 42.890024][ T439] ? device_initialize+0x1d9/0x3a0 [ 42.895198][ T439] device_add_disk+0x2a/0x40 [ 42.899768][ T439] loop_add+0x583/0x850 [ 42.903897][ T439] loop_control_ioctl+0x564/0x740 [ 42.908895][ T439] ? loop_remove+0xb0/0xb0 [ 42.913411][ T439] ? __fget_files+0x310/0x370 [ 42.918061][ T439] ? security_file_ioctl+0xb1/0xd0 [ 42.923178][ T439] ? loop_remove+0xb0/0xb0 [ 42.927575][ T439] __se_sys_ioctl+0x115/0x190 [ 42.932318][ T439] __x64_sys_ioctl+0x7b/0x90 [ 42.938022][ T439] do_syscall_64+0x34/0x70 [ 42.942424][ T439] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.948290][ T439] RIP: 0033:0x7ff069f800e9 [ 42.952818][ T439] 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 [ 42.972622][ T439] RSP: 002b:00007ff069ef6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.981140][ T439] RAX: ffffffffffffffda RBX: 00007ff06a092f60 RCX: 00007ff069f800e9 [ 42.989092][ T439] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 42.997226][ T439] RBP: 00007ff069ef61d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.005309][ T439] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.013265][ T439] R13: 00007ffe9c321c4f R14: 00007ff069ef6300 R15: 0000000000022000 [ 43.027576][ T441] FAULT_INJECTION: forcing a failure. [ 43.027576][ T441] name failslab, interval 1, probability 0, space 0, times 0 [ 43.040331][ T441] CPU: 0 PID: 441 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 43.052627][ T441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.062669][ T441] Call Trace: [ 43.065941][ T441] dump_stack_lvl+0x1e2/0x24b [ 43.070610][ T441] ? panic+0x7d7/0x7d7 [ 43.074839][ T441] ? bfq_pos_tree_add_move+0x43e/0x43e [ 43.080301][ T441] ? __kasan_kmalloc+0x9/0x10 [ 43.084972][ T441] ? kobj_map+0x72/0x6f0 [ 43.089202][ T441] ? __device_add_disk+0x6e0/0x11b0 [ 43.094447][ T441] ? device_add_disk+0x2a/0x40 [ 43.099325][ T441] ? loop_control_ioctl+0x564/0x740 [ 43.104519][ T441] ? __se_sys_ioctl+0x115/0x190 [ 43.109389][ T441] ? __x64_sys_ioctl+0x7b/0x90 [ 43.114139][ T441] dump_stack+0x15/0x17 [ 43.118276][ T441] should_fail+0x3c0/0x510 [ 43.122671][ T441] ? kvasprintf_const+0x139/0x180 [ 43.127905][ T441] __should_failslab+0x9f/0xe0 [ 43.132673][ T441] should_failslab+0x9/0x20 [ 43.137162][ T441] __kmalloc_track_caller+0x5f/0x350 [ 43.142443][ T441] kstrdup_const+0x55/0x90 [ 43.146845][ T441] kvasprintf_const+0x139/0x180 [ 43.151675][ T441] kobject_set_name_vargs+0x61/0x120 [ 43.156943][ T441] dev_set_name+0xd1/0x120 [ 43.161348][ T441] ? __kmalloc+0x1f7/0x360 [ 43.165844][ T441] ? vsnprintf+0x1fa/0x1cd0 [ 43.170417][ T441] ? get_device+0x30/0x30 [ 43.174722][ T441] ? kobj_map+0x6ad/0x6f0 [ 43.179029][ T441] __device_add_disk+0x733/0x11b0 [ 43.184035][ T441] ? device_add_disk+0x40/0x40 [ 43.188788][ T441] ? sprintf+0xd6/0x120 [ 43.193095][ T441] ? vsprintf+0x40/0x40 [ 43.197238][ T441] ? device_initialize+0x1d9/0x3a0 [ 43.202335][ T441] device_add_disk+0x2a/0x40 [ 43.206920][ T441] loop_add+0x583/0x850 [ 43.211075][ T441] loop_control_ioctl+0x564/0x740 [ 43.216072][ T441] ? loop_remove+0xb0/0xb0 [ 43.220570][ T441] ? __fget_files+0x310/0x370 [ 43.225312][ T441] ? security_file_ioctl+0xb1/0xd0 [ 43.230487][ T441] ? loop_remove+0xb0/0xb0 [ 43.234885][ T441] __se_sys_ioctl+0x115/0x190 [ 43.239539][ T441] __x64_sys_ioctl+0x7b/0x90 [ 43.244115][ T441] do_syscall_64+0x34/0x70 [ 43.248516][ T441] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.254394][ T441] RIP: 0033:0x7ff069f800e9 [ 43.258782][ T441] 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 [ 43.278591][ T441] RSP: 002b:00007ff069ef6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.286984][ T441] RAX: ffffffffffffffda RBX: 00007ff06a092f60 RCX: 00007ff069f800e9 [ 43.294961][ T441] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 43.303006][ T441] RBP: 00007ff069ef61d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.311815][ T441] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.319937][ T441] R13: 00007ffe9c321c4f R14: 00007ff069ef6300 R15: 0000000000022000 [ 43.335975][ T443] FAULT_INJECTION: forcing a failure. [ 43.335975][ T443] name failslab, interval 1, probability 0, space 0, times 0 [ 43.349563][ T443] CPU: 0 PID: 443 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 43.362051][ T443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.372434][ T443] Call Trace: [ 43.376362][ T443] dump_stack_lvl+0x1e2/0x24b [ 43.381019][ T443] ? bfq_pos_tree_add_move+0x43e/0x43e [ 43.386464][ T443] dump_stack+0x15/0x17 [ 43.390697][ T443] should_fail+0x3c0/0x510 [ 43.395307][ T443] ? __kernfs_new_node+0x99/0x6e0 [ 43.400358][ T443] __should_failslab+0x9f/0xe0 [ 43.405259][ T443] should_failslab+0x9/0x20 [ 43.409755][ T443] __kmalloc_track_caller+0x5f/0x350 [ 43.415209][ T443] ? __kernel_text_address+0x9a/0x110 [ 43.420661][ T443] ? unwind_get_return_address+0x4c/0x90 [ 43.426291][ T443] kstrdup_const+0x55/0x90 [ 43.430709][ T443] __kernfs_new_node+0x99/0x6e0 [ 43.435543][ T443] ? stack_trace_save+0x12d/0x1f0 [ 43.440759][ T443] ? kernfs_new_node+0x170/0x170 [ 43.445680][ T443] ? stack_trace_snprint+0x100/0x100 [ 43.450941][ T443] ? dput+0x2ce/0x320 [ 43.454985][ T443] ? device_add+0xbe/0xbd0 [ 43.459374][ T443] kernfs_create_dir_ns+0x9b/0x230 [ 43.464552][ T443] sysfs_create_dir_ns+0x181/0x390 [ 43.469652][ T443] ? sysfs_warn_dup+0xa0/0xa0 [ 43.474415][ T443] kobject_add_internal+0x766/0xda0 [ 43.479589][ T443] kobject_add+0x14c/0x210 [ 43.483978][ T443] ? _raw_spin_lock+0xa3/0x1b0 [ 43.488822][ T443] ? kobject_init+0x1e0/0x1e0 [ 43.493698][ T443] ? __kasan_check_write+0x14/0x20 [ 43.498943][ T443] ? mutex_unlock+0x1d/0x40 [ 43.503434][ T443] ? get_device_parent+0x2c5/0x430 [ 43.508534][ T443] device_add+0x3ca/0xbd0 [ 43.513002][ T443] __device_add_disk+0x7c1/0x11b0 [ 43.518103][ T443] ? device_add_disk+0x40/0x40 [ 43.522869][ T443] ? sprintf+0xd6/0x120 [ 43.527008][ T443] ? vsprintf+0x40/0x40 [ 43.531142][ T443] ? device_initialize+0x1d9/0x3a0 [ 43.536228][ T443] device_add_disk+0x2a/0x40 [ 43.540919][ T443] loop_add+0x583/0x850 [ 43.545079][ T443] loop_control_ioctl+0x564/0x740 [ 43.550230][ T443] ? loop_remove+0xb0/0xb0 [ 43.554634][ T443] ? __fget_files+0x310/0x370 [ 43.559289][ T443] ? security_file_ioctl+0xb1/0xd0 [ 43.564386][ T443] ? loop_remove+0xb0/0xb0 [ 43.568867][ T443] __se_sys_ioctl+0x115/0x190 [ 43.573534][ T443] __x64_sys_ioctl+0x7b/0x90 [ 43.578103][ T443] do_syscall_64+0x34/0x70 [ 43.582678][ T443] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.588563][ T443] RIP: 0033:0x7ff069f800e9 [ 43.593052][ T443] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 43.612906][ T443] RSP: 002b:00007ff069ef6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.621483][ T443] RAX: ffffffffffffffda RBX: 00007ff06a092f60 RCX: 00007ff069f800e9 [ 43.629431][ T443] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 43.637386][ T443] RBP: 00007ff069ef61d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.645426][ T443] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.653373][ T443] R13: 00007ffe9c321c4f R14: 00007ff069ef6300 R15: 0000000000022000 [ 43.661983][ T443] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 43.669885][ T23] audit: type=1400 audit(1653586417.680:158): 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 [ 43.692669][ T23] audit: type=1400 audit(1653586417.680:159): 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 [ 43.715892][ T23] audit: type=1400 audit(1653586417.680:160): 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 [ 43.720969][ T445] FAULT_INJECTION: forcing a failure. [ 43.720969][ T445] name failslab, interval 1, probability 0, space 0, times 0 [ 43.749583][ T445] CPU: 1 PID: 445 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 43.761704][ T445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.771741][ T445] Call Trace: [ 43.775831][ T445] dump_stack_lvl+0x1e2/0x24b [ 43.780485][ T445] ? panic+0x7d7/0x7d7 [ 43.784527][ T445] ? bfq_pos_tree_add_move+0x43e/0x43e [ 43.789961][ T445] dump_stack+0x15/0x17 [ 43.794094][ T445] should_fail+0x3c0/0x510 [ 43.798485][ T445] __should_failslab+0x9f/0xe0 [ 43.803226][ T445] should_failslab+0x9/0x20 [ 43.807701][ T445] kmem_cache_alloc+0x3f/0x300 [ 43.812531][ T445] ? __kernfs_new_node+0xdb/0x6e0 [ 43.817625][ T445] __kernfs_new_node+0xdb/0x6e0 [ 43.822472][ T445] ? stack_trace_save+0x12d/0x1f0 [ 43.827511][ T445] ? kernfs_new_node+0x170/0x170 [ 43.832434][ T445] ? stack_trace_snprint+0x100/0x100 [ 43.837788][ T445] ? dput+0x2ce/0x320 [ 43.841796][ T445] ? device_add+0xbe/0xbd0 [ 43.846204][ T445] kernfs_create_dir_ns+0x9b/0x230 [ 43.851580][ T445] sysfs_create_dir_ns+0x181/0x390 [ 43.857077][ T445] ? sysfs_warn_dup+0xa0/0xa0 [ 43.861745][ T445] kobject_add_internal+0x766/0xda0 [ 43.867137][ T445] kobject_add+0x14c/0x210 [ 43.871536][ T445] ? _raw_spin_lock+0xa3/0x1b0 [ 43.876277][ T445] ? kobject_init+0x1e0/0x1e0 [ 43.880932][ T445] ? __kasan_check_write+0x14/0x20 [ 43.886019][ T445] ? mutex_unlock+0x1d/0x40 [ 43.890669][ T445] ? get_device_parent+0x2c5/0x430 [ 43.895857][ T445] device_add+0x3ca/0xbd0 [ 43.900276][ T445] __device_add_disk+0x7c1/0x11b0 [ 43.905285][ T445] ? device_add_disk+0x40/0x40 [ 43.910123][ T445] ? sprintf+0xd6/0x120 [ 43.914347][ T445] ? vsprintf+0x40/0x40 [ 43.918481][ T445] ? device_initialize+0x1d9/0x3a0 [ 43.923596][ T445] device_add_disk+0x2a/0x40 [ 43.928162][ T445] loop_add+0x583/0x850 [ 43.932295][ T445] loop_control_ioctl+0x564/0x740 [ 43.937294][ T445] ? loop_remove+0xb0/0xb0 [ 43.941702][ T445] ? __fget_files+0x310/0x370 [ 43.946492][ T445] ? security_file_ioctl+0xb1/0xd0 [ 43.951759][ T445] ? loop_remove+0xb0/0xb0 [ 43.956291][ T445] __se_sys_ioctl+0x115/0x190 [ 43.960959][ T445] __x64_sys_ioctl+0x7b/0x90 [ 43.965573][ T445] do_syscall_64+0x34/0x70 [ 43.969973][ T445] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.975840][ T445] RIP: 0033:0x7ff069f800e9 [ 43.980232][ T445] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 43.999814][ T445] RSP: 002b:00007ff069ef6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.008316][ T445] RAX: ffffffffffffffda RBX: 00007ff06a092f60 RCX: 00007ff069f800e9 [ 44.017056][ T445] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 44.025009][ T445] RBP: 00007ff069ef61d0 R08: 0000000000000000 R09: 0000000000000000 [ 44.034958][ T445] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.042907][ T445] R13: 00007ffe9c321c4f R14: 00007ff069ef6300 R15: 0000000000022000 [ 44.051355][ T445] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 44.065453][ T447] FAULT_INJECTION: forcing a failure. [ 44.065453][ T447] name failslab, interval 1, probability 0, space 0, times 0 [ 44.078138][ T447] CPU: 0 PID: 447 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 44.090265][ T447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.100311][ T447] Call Trace: [ 44.103780][ T447] dump_stack_lvl+0x1e2/0x24b [ 44.108466][ T447] ? panic+0x7d7/0x7d7 [ 44.112526][ T447] ? bfq_pos_tree_add_move+0x43e/0x43e [ 44.117978][ T447] dump_stack+0x15/0x17 [ 44.122269][ T447] should_fail+0x3c0/0x510 [ 44.126770][ T447] __should_failslab+0x9f/0xe0 [ 44.131667][ T447] should_failslab+0x9/0x20 [ 44.136161][ T447] kmem_cache_alloc+0x3f/0x300 [ 44.141952][ T447] ? __kernfs_new_node+0xdb/0x6e0 [ 44.146955][ T447] __kernfs_new_node+0xdb/0x6e0 [ 44.151780][ T447] ? stack_trace_save+0x12d/0x1f0 [ 44.156778][ T447] ? kernfs_new_node+0x170/0x170 [ 44.161990][ T447] ? stack_trace_snprint+0x100/0x100 [ 44.167358][ T447] ? dput+0x2ce/0x320 [ 44.171338][ T447] ? device_add+0xbe/0xbd0 [ 44.175838][ T447] kernfs_create_dir_ns+0x9b/0x230 [ 44.181034][ T447] sysfs_create_dir_ns+0x181/0x390 [ 44.186535][ T447] ? sysfs_warn_dup+0xa0/0xa0 [ 44.191291][ T447] kobject_add_internal+0x766/0xda0 [ 44.196854][ T447] kobject_add+0x14c/0x210 [ 44.201269][ T447] ? _raw_spin_lock+0xa3/0x1b0 [ 44.206015][ T447] ? kobject_init+0x1e0/0x1e0 [ 44.210672][ T447] ? __kasan_check_write+0x14/0x20 [ 44.215773][ T447] ? mutex_unlock+0x1d/0x40 [ 44.220251][ T447] ? get_device_parent+0x2c5/0x430 [ 44.225338][ T447] device_add+0x3ca/0xbd0 [ 44.229735][ T447] __device_add_disk+0x7c1/0x11b0 [ 44.234835][ T447] ? device_add_disk+0x40/0x40 [ 44.239716][ T447] ? sprintf+0xd6/0x120 [ 44.243880][ T447] ? vsprintf+0x40/0x40 [ 44.248019][ T447] ? device_initialize+0x1d9/0x3a0 [ 44.253197][ T447] device_add_disk+0x2a/0x40 [ 44.257766][ T447] loop_add+0x583/0x850 [ 44.261897][ T447] loop_control_ioctl+0x564/0x740 [ 44.266896][ T447] ? loop_remove+0xb0/0xb0 [ 44.271399][ T447] ? __fget_files+0x310/0x370 [ 44.276071][ T447] ? security_file_ioctl+0xb1/0xd0 [ 44.281180][ T447] ? loop_remove+0xb0/0xb0 [ 44.285599][ T447] __se_sys_ioctl+0x115/0x190 [ 44.290284][ T447] __x64_sys_ioctl+0x7b/0x90 [ 44.294863][ T447] do_syscall_64+0x34/0x70 [ 44.299522][ T447] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.305387][ T447] RIP: 0033:0x7ff069f800e9 [ 44.310049][ T447] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 44.329998][ T447] RSP: 002b:00007ff069ef6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.338398][ T447] RAX: ffffffffffffffda RBX: 00007ff06a092f60 RCX: 00007ff069f800e9 [ 44.346356][ T447] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 44.354303][ T447] RBP: 00007ff069ef61d0 R08: 0000000000000000 R09: 0000000000000000 [ 44.362348][ T447] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.370338][ T447] R13: 00007ffe9c321c4f R14: 00007ff069ef6300 R15: 0000000000022000 [ 44.379584][ T447] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 44.395557][ T449] FAULT_INJECTION: forcing a failure. [ 44.395557][ T449] name failslab, interval 1, probability 0, space 0, times 0 [ 44.408539][ T449] CPU: 0 PID: 449 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 44.420889][ T449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.430922][ T449] Call Trace: [ 44.434328][ T449] dump_stack_lvl+0x1e2/0x24b [ 44.438985][ T449] ? panic+0x7d7/0x7d7 [ 44.443030][ T449] ? bfq_pos_tree_add_move+0x43e/0x43e [ 44.448479][ T449] ? memcpy+0x56/0x70 [ 44.452452][ T449] dump_stack+0x15/0x17 [ 44.456598][ T449] should_fail+0x3c0/0x510 [ 44.460998][ T449] ? device_add+0xbe/0xbd0 [ 44.465700][ T449] __should_failslab+0x9f/0xe0 [ 44.470731][ T449] should_failslab+0x9/0x20 [ 44.475218][ T449] kmem_cache_alloc_trace+0x3a/0x330 [ 44.480510][ T449] ? __kasan_check_write+0x14/0x20 [ 44.487672][ T449] device_add+0xbe/0xbd0 [ 44.492123][ T449] __device_add_disk+0x7c1/0x11b0 [ 44.497213][ T449] ? device_add_disk+0x40/0x40 [ 44.501954][ T449] ? sprintf+0xd6/0x120 [ 44.506086][ T449] ? vsprintf+0x40/0x40 [ 44.510301][ T449] ? device_initialize+0x1d9/0x3a0 [ 44.515564][ T449] device_add_disk+0x2a/0x40 [ 44.520133][ T449] loop_add+0x583/0x850 [ 44.524263][ T449] loop_control_ioctl+0x564/0x740 [ 44.529463][ T449] ? loop_remove+0xb0/0xb0 [ 44.534064][ T449] ? __fget_files+0x310/0x370 [ 44.538742][ T449] ? security_file_ioctl+0xb1/0xd0 [ 44.543850][ T449] ? loop_remove+0xb0/0xb0 [ 44.548331][ T449] __se_sys_ioctl+0x115/0x190 [ 44.553005][ T449] __x64_sys_ioctl+0x7b/0x90 [ 44.557582][ T449] do_syscall_64+0x34/0x70 [ 44.562068][ T449] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.567935][ T449] RIP: 0033:0x7ff069f800e9 [ 44.572351][ T449] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 44.591938][ T449] RSP: 002b:00007ff069ef6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.600447][ T449] RAX: ffffffffffffffda RBX: 00007ff06a092f60 RCX: 00007ff069f800e9 [ 44.608488][ T449] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 44.616461][ T449] RBP: 00007ff069ef61d0 R08: 0000000000000000 R09: 0000000000000000 [ 44.624410][ T449] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.632387][ T449] R13: 00007ffe9c321c4f R14: 00007ff069ef6300 R15: 0000000000022000 [ 44.647370][ T451] FAULT_INJECTION: forcing a failure. [ 44.647370][ T451] name failslab, interval 1, probability 0, space 0, times 0 [ 44.660173][ T451] CPU: 0 PID: 451 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 44.672295][ T451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.682329][ T451] Call Trace: [ 44.685606][ T451] dump_stack_lvl+0x1e2/0x24b [ 44.690260][ T451] ? panic+0x7d7/0x7d7 [ 44.694304][ T451] ? bfq_pos_tree_add_move+0x43e/0x43e [ 44.699737][ T451] ? memcpy+0x56/0x70 [ 44.703790][ T451] dump_stack+0x15/0x17 [ 44.708007][ T451] should_fail+0x3c0/0x510 [ 44.712400][ T451] ? device_add+0xbe/0xbd0 [ 44.716810][ T451] __should_failslab+0x9f/0xe0 [ 44.721572][ T451] should_failslab+0x9/0x20 [ 44.726297][ T451] kmem_cache_alloc_trace+0x3a/0x330 [ 44.731749][ T451] ? __kasan_check_write+0x14/0x20 [ 44.736841][ T451] device_add+0xbe/0xbd0 [ 44.741218][ T451] __device_add_disk+0x7c1/0x11b0 [ 44.746324][ T451] ? device_add_disk+0x40/0x40 [ 44.751066][ T451] ? sprintf+0xd6/0x120 [ 44.755201][ T451] ? vsprintf+0x40/0x40 [ 44.759327][ T451] ? device_initialize+0x1d9/0x3a0 [ 44.764512][ T451] device_add_disk+0x2a/0x40 [ 44.769083][ T451] loop_add+0x583/0x850 [ 44.773215][ T451] loop_control_ioctl+0x564/0x740 [ 44.778625][ T451] ? loop_remove+0xb0/0xb0 [ 44.783659][ T451] ? __fget_files+0x310/0x370 [ 44.788321][ T451] ? security_file_ioctl+0xb1/0xd0 [ 44.793410][ T451] ? loop_remove+0xb0/0xb0 [ 44.797802][ T451] __se_sys_ioctl+0x115/0x190 [ 44.802452][ T451] __x64_sys_ioctl+0x7b/0x90 [ 44.807108][ T451] do_syscall_64+0x34/0x70 [ 44.811501][ T451] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.817367][ T451] RIP: 0033:0x7ff069f800e9 [ 44.821758][ T451] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 44.841347][ T451] RSP: 002b:00007ff069ef6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.849756][ T451] RAX: ffffffffffffffda RBX: 00007ff06a092f60 RCX: 00007ff069f800e9 [ 44.857940][ T451] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 44.865917][ T451] RBP: 00007ff069ef61d0 R08: 0000000000000000 R09: 0000000000000000 [ 44.873869][ T451] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.881924][ T451] R13: 00007ffe9c321c4f R14: 00007ff069ef6300 R15: 0000000000022000 [ 44.898243][ T453] FAULT_INJECTION: forcing a failure. [ 44.898243][ T453] name failslab, interval 1, probability 0, space 0, times 0 [ 44.910994][ T453] CPU: 1 PID: 453 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 44.923296][ T453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.933335][ T453] Call Trace: [ 44.936696][ T453] dump_stack_lvl+0x1e2/0x24b [ 44.941356][ T453] ? panic+0x7d7/0x7d7 [ 44.945403][ T453] ? bfq_pos_tree_add_move+0x43e/0x43e [ 44.950853][ T453] ? memcpy+0x56/0x70 [ 44.954820][ T453] dump_stack+0x15/0x17 [ 44.958954][ T453] should_fail+0x3c0/0x510 [ 44.963348][ T453] ? device_add+0xbe/0xbd0 [ 44.967735][ T453] __should_failslab+0x9f/0xe0 [ 44.972472][ T453] should_failslab+0x9/0x20 [ 44.976950][ T453] kmem_cache_alloc_trace+0x3a/0x330 [ 44.982211][ T453] ? __kasan_check_write+0x14/0x20 [ 44.987296][ T453] device_add+0xbe/0xbd0 [ 44.991516][ T453] __device_add_disk+0x7c1/0x11b0 [ 44.996640][ T453] ? device_add_disk+0x40/0x40 [ 45.001394][ T453] ? sprintf+0xd6/0x120 [ 45.005628][ T453] ? vsprintf+0x40/0x40 [ 45.009758][ T453] ? device_initialize+0x1d9/0x3a0 [ 45.014944][ T453] device_add_disk+0x2a/0x40 [ 45.019647][ T453] loop_add+0x583/0x850 [ 45.023793][ T453] loop_control_ioctl+0x564/0x740 [ 45.028945][ T453] ? loop_remove+0xb0/0xb0 [ 45.033439][ T453] ? __fget_files+0x310/0x370 [ 45.038105][ T453] ? security_file_ioctl+0xb1/0xd0 [ 45.043211][ T453] ? loop_remove+0xb0/0xb0 [ 45.047652][ T453] __se_sys_ioctl+0x115/0x190 [ 45.052325][ T453] __x64_sys_ioctl+0x7b/0x90 [ 45.056899][ T453] do_syscall_64+0x34/0x70 [ 45.061417][ T453] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.067294][ T453] RIP: 0033:0x7ff069f800e9 [ 45.071775][ T453] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 45.091378][ T453] RSP: 002b:00007ff069ef6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.100050][ T453] RAX: ffffffffffffffda RBX: 00007ff06a092f60 RCX: 00007ff069f800e9 [ 45.108009][ T453] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 45.116147][ T453] RBP: 00007ff069ef61d0 R08: 0000000000000000 R09: 0000000000000000 [ 45.124298][ T453] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.132519][ T453] R13: 00007ffe9c321c4f R14: 00007ff069ef6300 R15: 0000000000022000 [ 45.149144][ T455] FAULT_INJECTION: forcing a failure. [ 45.149144][ T455] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 45.162779][ T455] CPU: 1 PID: 455 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 45.174991][ T455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.185037][ T455] Call Trace: [ 45.188318][ T455] dump_stack_lvl+0x1e2/0x24b [ 45.193011][ T455] ? bfq_pos_tree_add_move+0x43e/0x43e [ 45.198463][ T455] ? loop_control_ioctl+0x564/0x740 [ 45.203932][ T455] dump_stack+0x15/0x17 [ 45.208071][ T455] should_fail+0x3c0/0x510 [ 45.212498][ T455] should_fail_alloc_page+0x50/0x60 [ 45.217672][ T455] __alloc_pages_nodemask+0x1c0/0x890 [ 45.223024][ T455] ? gfp_pfmemalloc_allowed+0x120/0x120 [ 45.228548][ T455] allocate_slab+0x78/0x540 [ 45.233650][ T455] ___slab_alloc+0x131/0x2e0 [ 45.238328][ T455] ? __kernfs_new_node+0xdb/0x6e0 [ 45.243352][ T455] __slab_alloc+0x63/0xa0 [ 45.247662][ T455] ? __kernfs_new_node+0xdb/0x6e0 [ 45.252669][ T455] kmem_cache_alloc+0x1ef/0x300 [ 45.257869][ T455] ? __kernfs_new_node+0xdb/0x6e0 [ 45.262879][ T455] __kernfs_new_node+0xdb/0x6e0 [ 45.267710][ T455] ? stack_trace_save+0x12d/0x1f0 [ 45.272832][ T455] ? kernfs_new_node+0x170/0x170 [ 45.277755][ T455] ? stack_trace_snprint+0x100/0x100 [ 45.283024][ T455] ? dput+0x2ce/0x320 [ 45.286984][ T455] ? device_add+0xbe/0xbd0 [ 45.292942][ T455] kernfs_create_dir_ns+0x9b/0x230 [ 45.298119][ T455] sysfs_create_dir_ns+0x181/0x390 [ 45.303205][ T455] ? sysfs_warn_dup+0xa0/0xa0 [ 45.307861][ T455] kobject_add_internal+0x766/0xda0 [ 45.313322][ T455] kobject_add+0x14c/0x210 [ 45.317717][ T455] ? _raw_spin_lock+0xa3/0x1b0 [ 45.322487][ T455] ? kobject_init+0x1e0/0x1e0 [ 45.327185][ T455] ? __kasan_check_write+0x14/0x20 [ 45.334186][ T455] ? mutex_unlock+0x1d/0x40 [ 45.338785][ T455] ? get_device_parent+0x2c5/0x430 [ 45.343909][ T455] device_add+0x3ca/0xbd0 [ 45.348247][ T455] __device_add_disk+0x7c1/0x11b0 [ 45.353280][ T455] ? device_add_disk+0x40/0x40 [ 45.358027][ T455] ? sprintf+0xd6/0x120 [ 45.362161][ T455] ? vsprintf+0x40/0x40 [ 45.366301][ T455] ? device_initialize+0x1d9/0x3a0 [ 45.371390][ T455] device_add_disk+0x2a/0x40 [ 45.375984][ T455] loop_add+0x583/0x850 [ 45.380148][ T455] loop_control_ioctl+0x564/0x740 [ 45.385162][ T455] ? loop_remove+0xb0/0xb0 [ 45.389562][ T455] ? __fget_files+0x310/0x370 [ 45.394251][ T455] ? security_file_ioctl+0xb1/0xd0 [ 45.399419][ T455] ? loop_remove+0xb0/0xb0 [ 45.403902][ T455] __se_sys_ioctl+0x115/0x190 [ 45.408556][ T455] __x64_sys_ioctl+0x7b/0x90 [ 45.413122][ T455] do_syscall_64+0x34/0x70 [ 45.417516][ T455] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.423383][ T455] RIP: 0033:0x7ff069f800e9 [ 45.427779][ T455] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 45.447542][ T455] RSP: 002b:00007ff069ef6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.455931][ T455] RAX: ffffffffffffffda RBX: 00007ff06a092f60 RCX: 00007ff069f800e9 [ 45.463879][ T455] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 45.471826][ T455] RBP: 00007ff069ef61d0 R08: 0000000000000000 R09: 0000000000000000 [ 45.479773][ T455] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.487725][ T455] R13: 00007ffe9c321c4f R14: 00007ff069ef6300 R15: 0000000000022000 [ 45.523110][ T459] FAULT_INJECTION: forcing a failure. [ 45.523110][ T459] name failslab, interval 1, probability 0, space 0, times 0 [ 45.536084][ T459] CPU: 0 PID: 459 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 45.548478][ T459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.558877][ T459] Call Trace: [ 45.562156][ T459] dump_stack_lvl+0x1e2/0x24b [ 45.566927][ T459] ? bfq_pos_tree_add_move+0x43e/0x43e [ 45.572361][ T459] dump_stack+0x15/0x17 [ 45.576858][ T459] should_fail+0x3c0/0x510 [ 45.581257][ T459] ? __kernfs_new_node+0x99/0x6e0 [ 45.586260][ T459] __should_failslab+0x9f/0xe0 [ 45.590997][ T459] should_failslab+0x9/0x20 [ 45.595674][ T459] __kmalloc_track_caller+0x5f/0x350 [ 45.601203][ T459] ? __kernel_text_address+0x9a/0x110 [ 45.606571][ T459] ? unwind_get_return_address+0x4c/0x90 [ 45.612187][ T459] kstrdup_const+0x55/0x90 [ 45.616688][ T459] __kernfs_new_node+0x99/0x6e0 [ 45.621728][ T459] ? stack_trace_save+0x12d/0x1f0 [ 45.626732][ T459] ? kernfs_new_node+0x170/0x170 [ 45.631643][ T459] ? stack_trace_snprint+0x100/0x100 [ 45.637001][ T459] ? dput+0x2ce/0x320 [ 45.640972][ T459] ? device_add+0xbe/0xbd0 [ 45.645368][ T459] kernfs_create_dir_ns+0x9b/0x230 [ 45.650541][ T459] sysfs_create_dir_ns+0x181/0x390 [ 45.657887][ T459] ? sysfs_warn_dup+0xa0/0xa0 [ 45.662567][ T459] kobject_add_internal+0x766/0xda0 [ 45.667749][ T459] kobject_add+0x14c/0x210 [ 45.672234][ T459] ? _raw_spin_lock+0xa3/0x1b0 [ 45.676970][ T459] ? kobject_init+0x1e0/0x1e0 [ 45.681646][ T459] ? __kasan_check_write+0x14/0x20 [ 45.686732][ T459] ? mutex_unlock+0x1d/0x40 [ 45.691207][ T459] ? get_device_parent+0x2c5/0x430 [ 45.696296][ T459] device_add+0x3ca/0xbd0 [ 45.700621][ T459] __device_add_disk+0x7c1/0x11b0 [ 45.705633][ T459] ? device_add_disk+0x40/0x40 [ 45.710385][ T459] ? sprintf+0xd6/0x120 [ 45.714513][ T459] ? vsprintf+0x40/0x40 [ 45.718666][ T459] ? device_initialize+0x1d9/0x3a0 [ 45.723774][ T459] device_add_disk+0x2a/0x40 [ 45.728355][ T459] loop_add+0x583/0x850 [ 45.732496][ T459] loop_control_ioctl+0x564/0x740 [ 45.737511][ T459] ? loop_remove+0xb0/0xb0 [ 45.741919][ T459] ? __fget_files+0x310/0x370 [ 45.746594][ T459] ? security_file_ioctl+0xb1/0xd0 [ 45.751692][ T459] ? loop_remove+0xb0/0xb0 [ 45.756434][ T459] __se_sys_ioctl+0x115/0x190 [ 45.761114][ T459] __x64_sys_ioctl+0x7b/0x90 [ 45.765686][ T459] do_syscall_64+0x34/0x70 [ 45.770110][ T459] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.776005][ T459] RIP: 0033:0x7ff069f800e9 [ 45.780401][ T459] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 45.799994][ T459] RSP: 002b:00007ff069ef6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.808441][ T459] RAX: ffffffffffffffda RBX: 00007ff06a092f60 RCX: 00007ff069f800e9 [ 45.816410][ T459] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 45.824481][ T459] RBP: 00007ff069ef61d0 R08: 0000000000000000 R09: 0000000000000000 [ 45.832447][ T459] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.840422][ T459] R13: 00007ffe9c321c4f R14: 00007ff069ef6300 R15: 0000000000022000 [ 45.849189][ T459] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 45.862898][ T462] FAULT_INJECTION: forcing a failure. [ 45.862898][ T462] name failslab, interval 1, probability 0, space 0, times 0 [ 45.875669][ T462] CPU: 1 PID: 462 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 45.888146][ T462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.898181][ T462] Call Trace: [ 45.901461][ T462] dump_stack_lvl+0x1e2/0x24b [ 45.906299][ T462] ? bfq_pos_tree_add_move+0x43e/0x43e [ 45.911765][ T462] dump_stack+0x15/0x17 [ 45.915984][ T462] should_fail+0x3c0/0x510 [ 45.920375][ T462] ? __kernfs_new_node+0x99/0x6e0 [ 45.925465][ T462] __should_failslab+0x9f/0xe0 [ 45.930239][ T462] should_failslab+0x9/0x20 [ 45.935125][ T462] __kmalloc_track_caller+0x5f/0x350 [ 45.940643][ T462] ? __kernel_text_address+0x9a/0x110 [ 45.946011][ T462] ? unwind_get_return_address+0x4c/0x90 [ 45.951628][ T462] kstrdup_const+0x55/0x90 [ 45.956463][ T462] __kernfs_new_node+0x99/0x6e0 [ 45.962164][ T462] ? stack_trace_save+0x12d/0x1f0 [ 45.967600][ T462] ? kernfs_new_node+0x170/0x170 [ 45.972527][ T462] ? stack_trace_snprint+0x100/0x100 [ 45.977909][ T462] ? dput+0x2ce/0x320 [ 45.981887][ T462] ? device_add+0xbe/0xbd0 [ 45.986287][ T462] kernfs_create_dir_ns+0x9b/0x230 [ 45.991389][ T462] sysfs_create_dir_ns+0x181/0x390 [ 45.996506][ T462] ? sysfs_warn_dup+0xa0/0xa0 [ 46.001169][ T462] kobject_add_internal+0x766/0xda0 [ 46.006351][ T462] kobject_add+0x14c/0x210 [ 46.010768][ T462] ? _raw_spin_lock+0xa3/0x1b0 [ 46.015643][ T462] ? kobject_init+0x1e0/0x1e0 [ 46.020397][ T462] ? __kasan_check_write+0x14/0x20 [ 46.025578][ T462] ? mutex_unlock+0x1d/0x40 [ 46.030062][ T462] ? get_device_parent+0x2c5/0x430 [ 46.035153][ T462] device_add+0x3ca/0xbd0 [ 46.039480][ T462] __device_add_disk+0x7c1/0x11b0 [ 46.044658][ T462] ? device_add_disk+0x40/0x40 [ 46.049407][ T462] ? sprintf+0xd6/0x120 [ 46.053546][ T462] ? vsprintf+0x40/0x40 [ 46.057769][ T462] ? device_initialize+0x1d9/0x3a0 [ 46.063114][ T462] device_add_disk+0x2a/0x40 [ 46.067687][ T462] loop_add+0x583/0x850 [ 46.071993][ T462] loop_control_ioctl+0x564/0x740 [ 46.076996][ T462] ? loop_remove+0xb0/0xb0 [ 46.081524][ T462] ? __fget_files+0x310/0x370 [ 46.086187][ T462] ? security_file_ioctl+0xb1/0xd0 [ 46.091284][ T462] ? loop_remove+0xb0/0xb0 [ 46.095684][ T462] __se_sys_ioctl+0x115/0x190 [ 46.100344][ T462] __x64_sys_ioctl+0x7b/0x90 [ 46.105085][ T462] do_syscall_64+0x34/0x70 [ 46.109481][ T462] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.115346][ T462] RIP: 0033:0x7ff069f800e9 [ 46.119739][ 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 [ 46.139345][ T462] RSP: 002b:00007ff069ef6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.147937][ T462] RAX: ffffffffffffffda RBX: 00007ff06a092f60 RCX: 00007ff069f800e9 [ 46.155981][ T462] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 46.163934][ T462] RBP: 00007ff069ef61d0 R08: 0000000000000000 R09: 0000000000000000 [ 46.171884][ T462] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.180098][ T462] R13: 00007ffe9c321c4f R14: 00007ff069ef6300 R15: 0000000000022000 [ 46.188238][ T462] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 46.203009][ T464] FAULT_INJECTION: forcing a failure. [ 46.203009][ T464] name failslab, interval 1, probability 0, space 0, times 0 [ 46.220984][ T464] CPU: 0 PID: 464 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 46.233545][ T464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.243854][ T464] Call Trace: [ 46.247347][ T464] dump_stack_lvl+0x1e2/0x24b [ 46.252000][ T464] ? panic+0x7d7/0x7d7 [ 46.256067][ T464] ? bfq_pos_tree_add_move+0x43e/0x43e [ 46.261510][ T464] dump_stack+0x15/0x17 [ 46.265748][ T464] should_fail+0x3c0/0x510 [ 46.270167][ T464] __should_failslab+0x9f/0xe0 [ 46.274915][ T464] should_failslab+0x9/0x20 [ 46.279411][ T464] kmem_cache_alloc+0x3f/0x300 [ 46.284160][ T464] ? __kernfs_new_node+0xdb/0x6e0 [ 46.289185][ T464] __kernfs_new_node+0xdb/0x6e0 [ 46.294016][ T464] ? mutex_unlock+0x1d/0x40 [ 46.298501][ T464] ? kernfs_new_node+0x170/0x170 [ 46.304023][ T464] ? kernfs_add_one+0x4c5/0x5e0 [ 46.308864][ T464] ? kernfs_create_dir_ns+0x1eb/0x230 [ 46.314224][ T464] kernfs_new_node+0x97/0x170 [ 46.318880][ T464] __kernfs_create_file+0x4a/0x270 [ 46.324117][ T464] sysfs_add_file_mode_ns+0x273/0x320 [ 46.329470][ T464] sysfs_create_file_ns+0x191/0x2a0 [ 46.334645][ T464] ? sysfs_add_file_mode_ns+0x320/0x320 [ 46.340411][ T464] ? __kasan_check_write+0x14/0x20 [ 46.345909][ T464] ? __up_read+0x16/0x100 [ 46.350234][ T464] device_create_file+0x110/0x1d0 [ 46.355350][ T464] device_add+0x496/0xbd0 [ 46.359698][ T464] __device_add_disk+0x7c1/0x11b0 [ 46.364710][ T464] ? device_add_disk+0x40/0x40 [ 46.369634][ T464] ? sprintf+0xd6/0x120 [ 46.373782][ T464] ? vsprintf+0x40/0x40 [ 46.378183][ T464] ? device_initialize+0x1d9/0x3a0 [ 46.383274][ T464] device_add_disk+0x2a/0x40 [ 46.388195][ T464] loop_add+0x583/0x850 [ 46.392338][ T464] loop_control_ioctl+0x564/0x740 [ 46.397336][ T464] ? loop_remove+0xb0/0xb0 [ 46.401727][ T464] ? __fget_files+0x310/0x370 [ 46.406377][ T464] ? security_file_ioctl+0xb1/0xd0 [ 46.411917][ T464] ? loop_remove+0xb0/0xb0 [ 46.417007][ T464] __se_sys_ioctl+0x115/0x190 [ 46.421797][ T464] __x64_sys_ioctl+0x7b/0x90 [ 46.426441][ T464] do_syscall_64+0x34/0x70 [ 46.431474][ T464] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.437709][ T464] RIP: 0033:0x7ff069f800e9 [ 46.442456][ T464] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 46.463251][ T464] RSP: 002b:00007ff069ef6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.471740][ T464] RAX: ffffffffffffffda RBX: 00007ff06a092f60 RCX: 00007ff069f800e9 [ 46.479868][ T464] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 46.487919][ T464] RBP: 00007ff069ef61d0 R08: 0000000000000000 R09: 0000000000000000 [ 46.496048][ T464] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.504075][ T464] R13: 00007ffe9c321c4f R14: 00007ff069ef6300 R15: 0000000000022000 [ 46.521477][ T466] FAULT_INJECTION: forcing a failure. [ 46.521477][ T466] name failslab, interval 1, probability 0, space 0, times 0 [ 46.534695][ T466] CPU: 0 PID: 466 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 46.547695][ T466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.558117][ T466] Call Trace: [ 46.561400][ T466] dump_stack_lvl+0x1e2/0x24b [ 46.566074][ T466] ? bfq_pos_tree_add_move+0x43e/0x43e [ 46.571685][ T466] dump_stack+0x15/0x17 [ 46.576015][ T466] should_fail+0x3c0/0x510 [ 46.580422][ T466] ? __kernfs_new_node+0x99/0x6e0 [ 46.585685][ T466] __should_failslab+0x9f/0xe0 [ 46.590441][ T466] should_failslab+0x9/0x20 [ 46.595044][ T466] __kmalloc_track_caller+0x5f/0x350 [ 46.600489][ T466] ? __kernel_text_address+0x9a/0x110 [ 46.605937][ T466] ? unwind_get_return_address+0x4c/0x90 [ 46.612160][ T466] kstrdup_const+0x55/0x90 [ 46.616653][ T466] __kernfs_new_node+0x99/0x6e0 [ 46.621741][ T466] ? stack_trace_save+0x12d/0x1f0 [ 46.627084][ T466] ? kernfs_new_node+0x170/0x170 [ 46.632182][ T466] ? stack_trace_snprint+0x100/0x100 [ 46.637458][ T466] ? dput+0x2ce/0x320 [ 46.641518][ T466] ? device_add+0xbe/0xbd0 [ 46.646018][ T466] kernfs_create_dir_ns+0x9b/0x230 [ 46.651679][ T466] sysfs_create_dir_ns+0x181/0x390 [ 46.656880][ T466] ? sysfs_warn_dup+0xa0/0xa0 [ 46.661656][ T466] kobject_add_internal+0x766/0xda0 [ 46.666944][ T466] kobject_add+0x14c/0x210 [ 46.671347][ T466] ? _raw_spin_lock+0xa3/0x1b0 [ 46.676098][ T466] ? kobject_init+0x1e0/0x1e0 [ 46.681370][ T466] ? __kasan_check_write+0x14/0x20 [ 46.687463][ T466] ? mutex_unlock+0x1d/0x40 [ 46.692056][ T466] ? get_device_parent+0x2c5/0x430 [ 46.697166][ T466] device_add+0x3ca/0xbd0 [ 46.701571][ T466] __device_add_disk+0x7c1/0x11b0 [ 46.707058][ T466] ? device_add_disk+0x40/0x40 [ 46.711909][ T466] ? sprintf+0xd6/0x120 [ 46.716136][ T466] ? vsprintf+0x40/0x40 [ 46.720465][ T466] ? device_initialize+0x1d9/0x3a0 [ 46.725561][ T466] device_add_disk+0x2a/0x40 [ 46.731123][ T466] loop_add+0x583/0x850 [ 46.735352][ T466] loop_control_ioctl+0x564/0x740 [ 46.740363][ T466] ? loop_remove+0xb0/0xb0 [ 46.744769][ T466] ? __fget_files+0x310/0x370 [ 46.749422][ T466] ? security_file_ioctl+0xb1/0xd0 [ 46.755037][ T466] ? loop_remove+0xb0/0xb0 [ 46.759429][ T466] __se_sys_ioctl+0x115/0x190 [ 46.764081][ T466] __x64_sys_ioctl+0x7b/0x90 [ 46.768647][ T466] do_syscall_64+0x34/0x70 [ 46.773041][ T466] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.778907][ T466] RIP: 0033:0x7ff069f800e9 [ 46.783301][ T466] 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 [ 46.802881][ T466] RSP: 002b:00007ff069ef6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.811448][ T466] RAX: ffffffffffffffda RBX: 00007ff06a092f60 RCX: 00007ff069f800e9 [ 46.819520][ T466] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 46.827483][ T466] RBP: 00007ff069ef61d0 R08: 0000000000000000 R09: 0000000000000000 [ 46.835437][ T466] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.843547][ T466] R13: 00007ffe9c321c4f R14: 00007ff069ef6300 R15: 0000000000022000 [ 46.851675][ T466] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 46.865739][ T468] FAULT_INJECTION: forcing a failure. [ 46.865739][ T468] name failslab, interval 1, probability 0, space 0, times 0 [ 46.878489][ T468] CPU: 0 PID: 468 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 46.890733][ T468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.900783][ T468] Call Trace: [ 46.904060][ T468] dump_stack_lvl+0x1e2/0x24b [ 46.908711][ T468] ? panic+0x7d7/0x7d7 [ 46.912754][ T468] ? bfq_pos_tree_add_move+0x43e/0x43e [ 46.918204][ T468] ? __kasan_kmalloc+0x9/0x10 [ 46.922863][ T468] ? kobj_map+0x72/0x6f0 [ 46.927081][ T468] ? __device_add_disk+0x6e0/0x11b0 [ 46.932266][ T468] ? device_add_disk+0x2a/0x40 [ 46.937013][ T468] ? loop_control_ioctl+0x564/0x740 [ 46.942199][ T468] ? __se_sys_ioctl+0x115/0x190 [ 46.947042][ T468] ? __x64_sys_ioctl+0x7b/0x90 [ 46.951885][ T468] dump_stack+0x15/0x17 [ 46.956172][ T468] should_fail+0x3c0/0x510 [ 46.960691][ T468] ? kvasprintf_const+0x139/0x180 [ 46.965695][ T468] __should_failslab+0x9f/0xe0 [ 46.970449][ T468] should_failslab+0x9/0x20 [ 46.975069][ T468] __kmalloc_track_caller+0x5f/0x350 [ 46.980343][ T468] kstrdup_const+0x55/0x90 [ 46.984747][ T468] kvasprintf_const+0x139/0x180 [ 46.989591][ T468] kobject_set_name_vargs+0x61/0x120 [ 46.994854][ T468] dev_set_name+0xd1/0x120 [ 46.999245][ T468] ? __kmalloc+0x1f7/0x360 [ 47.003636][ T468] ? vsnprintf+0x1fa/0x1cd0 [ 47.008111][ T468] ? get_device+0x30/0x30 [ 47.012431][ T468] ? kobj_map+0x6ad/0x6f0 [ 47.016745][ T468] __device_add_disk+0x733/0x11b0 [ 47.021746][ T468] ? device_add_disk+0x40/0x40 [ 47.026580][ T468] ? sprintf+0xd6/0x120 [ 47.030807][ T468] ? vsprintf+0x40/0x40 [ 47.034947][ T468] ? device_initialize+0x1d9/0x3a0 [ 47.040276][ T468] device_add_disk+0x2a/0x40 [ 47.044982][ T468] loop_add+0x583/0x850 [ 47.049238][ T468] loop_control_ioctl+0x564/0x740 [ 47.054244][ T468] ? loop_remove+0xb0/0xb0 [ 47.058648][ T468] ? __fget_files+0x310/0x370 [ 47.063409][ T468] ? security_file_ioctl+0xb1/0xd0 [ 47.068852][ T468] ? loop_remove+0xb0/0xb0 [ 47.073346][ T468] __se_sys_ioctl+0x115/0x190 [ 47.078124][ T468] __x64_sys_ioctl+0x7b/0x90 [ 47.082776][ T468] do_syscall_64+0x34/0x70 [ 47.087691][ T468] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.094117][ T468] RIP: 0033:0x7ff069f800e9 [ 47.099033][ T468] 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 [ 47.120091][ T468] RSP: 002b:00007ff069ef6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.128698][ T468] RAX: ffffffffffffffda RBX: 00007ff06a092f60 RCX: 00007ff069f800e9 [ 47.137175][ T468] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 47.145125][ T468] RBP: 00007ff069ef61d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.153348][ T468] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.161906][ T468] R13: 00007ffe9c321c4f R14: 00007ff069ef6300 R15: 0000000000022000 [ 47.178093][ T470] FAULT_INJECTION: forcing a failure. [ 47.178093][ T470] name failslab, interval 1, probability 0, space 0, times 0 [ 47.191128][ T470] CPU: 0 PID: 470 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 47.203340][ T470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.213462][ T470] Call Trace: [ 47.216734][ T470] dump_stack_lvl+0x1e2/0x24b [ 47.221475][ T470] ? panic+0x7d7/0x7d7 [ 47.225519][ T470] ? bfq_pos_tree_add_move+0x43e/0x43e [ 47.230961][ T470] dump_stack+0x15/0x17 [ 47.235095][ T470] should_fail+0x3c0/0x510 [ 47.239502][ T470] __should_failslab+0x9f/0xe0 [ 47.244441][ T470] should_failslab+0x9/0x20 [ 47.248948][ T470] kmem_cache_alloc+0x3f/0x300 [ 47.253711][ T470] ? __kernfs_new_node+0xdb/0x6e0 [ 47.258728][ T470] __kernfs_new_node+0xdb/0x6e0 [ 47.263560][ T470] ? stack_trace_save+0x12d/0x1f0 [ 47.268560][ T470] ? kernfs_new_node+0x170/0x170 [ 47.273472][ T470] ? stack_trace_snprint+0x100/0x100 [ 47.278729][ T470] ? dput+0x2ce/0x320 [ 47.282692][ T470] ? device_add+0xbe/0xbd0 [ 47.287344][ T470] kernfs_create_dir_ns+0x9b/0x230 [ 47.292431][ T470] sysfs_create_dir_ns+0x181/0x390 [ 47.297515][ T470] ? sysfs_warn_dup+0xa0/0xa0 [ 47.302168][ T470] kobject_add_internal+0x766/0xda0 [ 47.307345][ T470] kobject_add+0x14c/0x210 [ 47.311748][ T470] ? _raw_spin_lock+0xa3/0x1b0 [ 47.316578][ T470] ? kobject_init+0x1e0/0x1e0 [ 47.321315][ T470] ? __kasan_check_write+0x14/0x20 [ 47.326404][ T470] ? mutex_unlock+0x1d/0x40 [ 47.330881][ T470] ? get_device_parent+0x2c5/0x430 [ 47.335972][ T470] device_add+0x3ca/0xbd0 [ 47.340368][ T470] __device_add_disk+0x7c1/0x11b0 [ 47.345459][ T470] ? device_add_disk+0x40/0x40 [ 47.350199][ T470] ? sprintf+0xd6/0x120 [ 47.354417][ T470] ? vsprintf+0x40/0x40 [ 47.358543][ T470] ? device_initialize+0x1d9/0x3a0 [ 47.363638][ T470] device_add_disk+0x2a/0x40 [ 47.368205][ T470] loop_add+0x583/0x850 [ 47.372362][ T470] loop_control_ioctl+0x564/0x740 [ 47.377360][ T470] ? loop_remove+0xb0/0xb0 [ 47.381757][ T470] ? __fget_files+0x310/0x370 [ 47.386411][ T470] ? security_file_ioctl+0xb1/0xd0 [ 47.391503][ T470] ? loop_remove+0xb0/0xb0 [ 47.397889][ T470] __se_sys_ioctl+0x115/0x190 [ 47.402550][ T470] __x64_sys_ioctl+0x7b/0x90 [ 47.407143][ T470] do_syscall_64+0x34/0x70 [ 47.411537][ T470] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.417405][ T470] RIP: 0033:0x7ff069f800e9 [ 47.421796][ T470] 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 [ 47.441386][ T470] RSP: 002b:00007ff069ef6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.449787][ T470] RAX: ffffffffffffffda RBX: 00007ff06a092f60 RCX: 00007ff069f800e9 [ 47.457733][ T470] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 47.465688][ T470] RBP: 00007ff069ef61d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.473635][ T470] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 2022/05/26 17:33:41 executed programs: 30 [ 47.481942][ T470] R13: 00007ffe9c321c4f R14: 00007ff069ef6300 R15: 0000000000022000 [ 47.490344][ T470] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 47.506192][ T472] FAULT_INJECTION: forcing a failure. [ 47.506192][ T472] name failslab, interval 1, probability 0, space 0, times 0 [ 47.518853][ T472] CPU: 1 PID: 472 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 47.531188][ T472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.541337][ T472] Call Trace: [ 47.544778][ T472] dump_stack_lvl+0x1e2/0x24b [ 47.549439][ T472] ? panic+0x7d7/0x7d7 [ 47.553587][ T472] ? bfq_pos_tree_add_move+0x43e/0x43e [ 47.559025][ T472] dump_stack+0x15/0x17 [ 47.563171][ T472] should_fail+0x3c0/0x510 [ 47.567564][ T472] __should_failslab+0x9f/0xe0 [ 47.572310][ T472] should_failslab+0x9/0x20 [ 47.576806][ T472] kmem_cache_alloc+0x3f/0x300 [ 47.581551][ T472] ? __kernfs_new_node+0xdb/0x6e0 [ 47.586845][ T472] __kernfs_new_node+0xdb/0x6e0 [ 47.591688][ T472] ? mutex_unlock+0x1d/0x40 [ 47.596636][ T472] ? kernfs_new_node+0x170/0x170 [ 47.602107][ T472] ? kernfs_add_one+0x4c5/0x5e0 [ 47.607827][ T472] ? kernfs_create_dir_ns+0x1eb/0x230 [ 47.613389][ T472] kernfs_new_node+0x97/0x170 [ 47.618225][ T472] __kernfs_create_file+0x4a/0x270 [ 47.623324][ T472] sysfs_add_file_mode_ns+0x273/0x320 [ 47.628683][ T472] sysfs_create_file_ns+0x191/0x2a0 [ 47.633943][ T472] ? sysfs_add_file_mode_ns+0x320/0x320 [ 47.639518][ T472] ? __kasan_check_write+0x14/0x20 [ 47.644627][ T472] ? __up_read+0x16/0x100 [ 47.648958][ T472] device_create_file+0x110/0x1d0 [ 47.653963][ T472] device_add+0x496/0xbd0 [ 47.658407][ T472] __device_add_disk+0x7c1/0x11b0 [ 47.663514][ T472] ? device_add_disk+0x40/0x40 [ 47.669309][ T472] ? sprintf+0xd6/0x120 [ 47.673440][ T472] ? vsprintf+0x40/0x40 [ 47.677569][ T472] ? device_initialize+0x1d9/0x3a0 [ 47.682653][ T472] device_add_disk+0x2a/0x40 [ 47.687229][ T472] loop_add+0x583/0x850 [ 47.691375][ T472] loop_control_ioctl+0x564/0x740 [ 47.696408][ T472] ? loop_remove+0xb0/0xb0 [ 47.700994][ T472] ? __fget_files+0x310/0x370 [ 47.705720][ T472] ? security_file_ioctl+0xb1/0xd0 [ 47.710823][ T472] ? loop_remove+0xb0/0xb0 [ 47.715221][ T472] __se_sys_ioctl+0x115/0x190 [ 47.719888][ T472] __x64_sys_ioctl+0x7b/0x90 [ 47.724476][ T472] do_syscall_64+0x34/0x70 [ 47.728875][ T472] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.734839][ T472] RIP: 0033:0x7ff069f800e9 [ 47.739230][ T472] 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 [ 47.758986][ T472] RSP: 002b:00007ff069ef6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.768162][ T472] RAX: ffffffffffffffda RBX: 00007ff06a092f60 RCX: 00007ff069f800e9 [ 47.776117][ T472] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 47.784151][ T472] RBP: 00007ff069ef61d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.792098][ T472] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.800063][ T472] R13: 00007ffe9c321c4f R14: 00007ff069ef6300 R15: 0000000000022000 [ 47.815490][ T474] FAULT_INJECTION: forcing a failure. [ 47.815490][ T474] name failslab, interval 1, probability 0, space 0, times 0 [ 47.828305][ T474] CPU: 0 PID: 474 Comm: syz-executor.0 Tainted: G B 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 47.840959][ T474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.851417][ T474] Call Trace: [ 47.854705][ T474] dump_stack_lvl+0x1e2/0x24b [ 47.859396][ T474] ? bfq_pos_tree_add_move+0x43e/0x43e [ 47.865062][ T474] dump_stack+0x15/0x17 [ 47.869220][ T474] should_fail+0x3c0/0x510 [ 47.873623][ T474] ? __kernfs_new_node+0x99/0x6e0 [ 47.878892][ T474] __should_failslab+0x9f/0xe0 [ 47.883674][ T474] should_failslab+0x9/0x20 [ 47.888174][ T474] __kmalloc_track_caller+0x5f/0x350 [ 47.893535][ T474] ? __kernel_text_address+0x9a/0x110 [ 47.898909][ T474] ? unwind_get_return_address+0x4c/0x90 [ 47.904656][ T474] kstrdup_const+0x55/0x90 [ 47.909056][ T474] __kernfs_new_node+0x99/0x6e0 [ 47.914195][ T474] ? stack_trace_save+0x12d/0x1f0 [ 47.919193][ T474] ? kernfs_new_node+0x170/0x170 [ 47.924121][ T474] ? stack_trace_snprint+0x100/0x100 [ 47.929387][ T474] ? dput+0x2ce/0x320