Warning: Permanently added '10.128.10.24' (ECDSA) to the list of known hosts. 2022/05/26 16:57:41 parsed 1 programs [ 35.480506][ T23] kauditd_printk_skb: 65 callbacks suppressed [ 35.480518][ T23] audit: type=1400 audit(1653584261.660:148): 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 [ 35.480763][ T401] cgroup: Unknown subsys name 'net' [ 35.515288][ T401] cgroup: Unknown subsys name 'devices' [ 35.521980][ T401] cgroup: Unknown subsys name 'hugetlb' 2022/05/26 16:57:41 executed programs: 0 [ 35.527703][ T401] cgroup: Unknown subsys name 'rlimit' [ 35.533650][ T23] audit: type=1400 audit(1653584261.710:149): 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 [ 35.558495][ T23] audit: type=1400 audit(1653584261.710:150): 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 [ 35.582944][ T23] audit: type=1400 audit(1653584261.740:151): 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 [ 35.607225][ T23] audit: type=1400 audit(1653584261.740:152): 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 [ 35.614841][ T405] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.636440][ T405] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.643742][ T405] device bridge_slave_0 entered promiscuous mode [ 35.650756][ T405] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.657805][ T405] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.665019][ T405] device bridge_slave_1 entered promiscuous mode [ 35.688603][ T405] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.695646][ T405] bridge0: port 2(bridge_slave_1) entered forwarding state [ 35.703365][ T405] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.710414][ T405] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.725055][ T24] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.732917][ T24] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.740572][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 35.748239][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 35.756522][ T68] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 35.764975][ T68] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.772014][ T68] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.787209][ T68] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 35.795900][ T68] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 35.804812][ T68] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.811856][ T68] bridge0: port 2(bridge_slave_1) entered forwarding state [ 35.819549][ T68] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 35.827526][ T68] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 35.842369][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 35.851799][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 35.862075][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 35.873908][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 35.884838][ T23] audit: type=1400 audit(1653584262.060:153): 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 [ 35.911863][ T23] audit: type=1400 audit(1653584262.090:154): 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 [ 35.947892][ T411] FAULT_INJECTION: forcing a failure. [ 35.947892][ T411] name failslab, interval 1, probability 0, space 0, times 1 [ 35.960690][ T411] CPU: 1 PID: 411 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 35.971421][ T411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.981546][ T411] Call Trace: [ 35.984827][ T411] dump_stack_lvl+0x1e2/0x24b [ 35.989499][ T411] ? panic+0x7d7/0x7d7 [ 35.993561][ T411] ? bfq_pos_tree_add_move+0x43e/0x43e [ 35.999006][ T411] ? memcpy+0x56/0x70 [ 36.002962][ T411] dump_stack+0x15/0x17 [ 36.007091][ T411] should_fail+0x3c0/0x510 [ 36.011481][ T411] ? device_add+0xbe/0xbd0 [ 36.015867][ T411] __should_failslab+0x9f/0xe0 [ 36.020606][ T411] should_failslab+0x9/0x20 [ 36.025099][ T411] kmem_cache_alloc_trace+0x3a/0x330 [ 36.030386][ T411] ? __kasan_check_write+0x14/0x20 [ 36.035471][ T411] device_add+0xbe/0xbd0 [ 36.039692][ T411] __device_add_disk+0x7c1/0x11b0 [ 36.044701][ T411] ? device_add_disk+0x40/0x40 [ 36.049440][ T411] ? sprintf+0xd6/0x120 [ 36.053576][ T411] ? vsprintf+0x40/0x40 [ 36.058501][ T411] ? device_initialize+0x1d9/0x3a0 [ 36.063583][ T411] device_add_disk+0x2a/0x40 [ 36.068143][ T411] loop_add+0x5c4/0x840 [ 36.072356][ T411] loop_control_ioctl+0x564/0x740 [ 36.077446][ T411] ? loop_remove+0xb0/0xb0 [ 36.081875][ T411] ? __fget_files+0x310/0x370 [ 36.086524][ T411] ? security_file_ioctl+0xb1/0xd0 [ 36.091614][ T411] ? loop_remove+0xb0/0xb0 [ 36.096008][ T411] __se_sys_ioctl+0x115/0x190 [ 36.100665][ T411] __x64_sys_ioctl+0x7b/0x90 [ 36.105240][ T411] do_syscall_64+0x34/0x70 [ 36.109644][ T411] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 36.115521][ T411] RIP: 0033:0x7f3c6e58f0e9 [ 36.119921][ T411] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 36.139673][ T411] RSP: 002b:00007f3c6e505168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 36.148058][ T411] RAX: ffffffffffffffda RBX: 00007f3c6e6a1f60 RCX: 00007f3c6e58f0e9 [ 36.156004][ T411] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 36.163955][ T411] RBP: 00007f3c6e5051d0 R08: 0000000000000000 R09: 0000000000000000 [ 36.171901][ T411] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 36.180024][ T411] R13: 00007ffce774604f R14: 00007f3c6e505300 R15: 0000000000022000 [ 36.188775][ T411] ------------[ cut here ]------------ [ 36.194756][ T411] WARNING: CPU: 0 PID: 411 at block/blk-mq.c:3119 blk_mq_release+0x10d/0x310 [ 36.203906][ T411] Modules linked in: [ 36.207948][ T411] CPU: 0 PID: 411 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 36.218895][ T411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.229105][ T411] RIP: 0010:blk_mq_release+0x10d/0x310 [ 36.234657][ T411] Code: 2e ff 43 0f b6 04 3e 84 c0 48 8b 55 d0 75 1f 44 3b 2a 73 35 e8 f4 5e 2e ff 41 ff c5 48 8b 45 c8 e9 68 ff ff ff e8 e3 5e 2e ff <0f> 0b eb d4 89 d1 80 e1 07 80 c1 03 38 c1 7c d5 48 8b 7d d0 e8 da [ 36.254371][ T411] RSP: 0018:ffffc90000c87b68 EFLAGS: 00010293 [ 36.260642][ T411] RAX: ffffffff823e536d RBX: ffff88810d631278 RCX: ffff88810c560000 [ 36.268683][ T411] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 36.276663][ T411] RBP: ffffc90000c87bb0 R08: ffffffff823e52b1 R09: 0000000000000003 [ 36.284817][ T411] R10: fffff52000190ee1 R11: 1ffff92000190ee0 R12: 1ffff1102150bbfb [ 36.292858][ T411] R13: 0000000000000001 R14: 1ffff1102150bbfc R15: dffffc0000000000 [ 36.300947][ T411] FS: 00007f3c6e505700(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 36.309948][ T411] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.316559][ T411] CR2: 0000556182e1e858 CR3: 000000010d649000 CR4: 00000000003506b0 [ 36.324546][ T411] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 36.332740][ T411] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 36.340840][ T411] Call Trace: [ 36.344135][ T411] blk_release_queue+0x314/0x430 [ 36.349324][ T411] ? asan.module_dtor+0x20/0x20 [ 36.354171][ T411] kobject_put+0x163/0x240 [ 36.358615][ T411] blk_put_queue+0x19/0x20 [ 36.363029][ T411] disk_release+0x231/0x2a0 [ 36.367575][ T411] ? block_devnode+0x90/0x90 [ 36.372163][ T411] device_release+0x9c/0x1d0 [ 36.376911][ T411] ? waiting_for_supplier_show+0xa0/0xa0 [ 36.382525][ T411] kobject_put+0x163/0x240 [ 36.386961][ T411] put_disk+0x23/0x30 [ 36.390934][ T411] loop_add+0x5e6/0x840 [ 36.395073][ T411] loop_control_ioctl+0x564/0x740 [ 36.400130][ T411] ? loop_remove+0xb0/0xb0 [ 36.404728][ T411] ? __fget_files+0x310/0x370 [ 36.409430][ T411] ? security_file_ioctl+0xb1/0xd0 [ 36.414546][ T411] ? loop_remove+0xb0/0xb0 [ 36.419100][ T411] __se_sys_ioctl+0x115/0x190 [ 36.423767][ T411] __x64_sys_ioctl+0x7b/0x90 [ 36.428382][ T411] do_syscall_64+0x34/0x70 [ 36.432798][ T411] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 36.438701][ T411] RIP: 0033:0x7f3c6e58f0e9 [ 36.443115][ T411] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 36.462991][ T411] RSP: 002b:00007f3c6e505168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 36.471434][ T411] RAX: ffffffffffffffda RBX: 00007f3c6e6a1f60 RCX: 00007f3c6e58f0e9 [ 36.479549][ T411] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 36.487685][ T411] RBP: 00007f3c6e5051d0 R08: 0000000000000000 R09: 0000000000000000 [ 36.495651][ T411] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 36.503644][ T411] R13: 00007ffce774604f R14: 00007f3c6e505300 R15: 0000000000022000 [ 36.511723][ T411] ---[ end trace b283e9c563a2f98a ]--- [ 36.517291][ T411] ================================================================== [ 36.525350][ T411] BUG: KASAN: use-after-free in blk_mq_run_hw_queues+0x298/0x450 [ 36.533132][ T411] Read of size 8 at addr ffff88810b78c050 by task syz-executor.0/411 [ 36.541340][ T411] [ 36.543654][ T411] CPU: 0 PID: 411 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 36.555810][ T411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.565869][ T411] Call Trace: [ 36.569233][ T411] dump_stack_lvl+0x1e2/0x24b [ 36.573968][ T411] ? bfq_pos_tree_add_move+0x43e/0x43e [ 36.579399][ T411] ? panic+0x7d7/0x7d7 [ 36.583449][ T411] print_address_description+0x81/0x3c0 [ 36.588978][ T411] ? remove_wait_queue+0x140/0x140 [ 36.594164][ T411] kasan_report+0x1a4/0x1f0 [ 36.598652][ T411] ? blk_mq_run_hw_queues+0x298/0x450 [ 36.604004][ T411] ? blk_mq_run_hw_queues+0x298/0x450 [ 36.609353][ T411] __asan_report_load8_noabort+0x14/0x20 [ 36.614959][ T411] blk_mq_run_hw_queues+0x298/0x450 [ 36.620173][ T411] blk_freeze_queue_start+0xad/0xe0 [ 36.625347][ T411] blk_cleanup_queue+0x88/0x210 [ 36.630266][ T411] loop_add+0x613/0x840 [ 36.634393][ T411] loop_control_ioctl+0x564/0x740 [ 36.639406][ T411] ? loop_remove+0xb0/0xb0 [ 36.643804][ T411] ? __fget_files+0x310/0x370 [ 36.648477][ T411] ? security_file_ioctl+0xb1/0xd0 [ 36.653684][ T411] ? loop_remove+0xb0/0xb0 [ 36.658087][ T411] __se_sys_ioctl+0x115/0x190 [ 36.662774][ T411] __x64_sys_ioctl+0x7b/0x90 [ 36.667371][ T411] do_syscall_64+0x34/0x70 [ 36.671770][ T411] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 36.677662][ T411] RIP: 0033:0x7f3c6e58f0e9 [ 36.682054][ T411] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 36.701637][ T411] RSP: 002b:00007f3c6e505168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 36.710037][ T411] RAX: ffffffffffffffda RBX: 00007f3c6e6a1f60 RCX: 00007f3c6e58f0e9 [ 36.718016][ T411] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 36.725979][ T411] RBP: 00007f3c6e5051d0 R08: 0000000000000000 R09: 0000000000000000 [ 36.733932][ T411] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 36.741888][ T411] R13: 00007ffce774604f R14: 00007f3c6e505300 R15: 0000000000022000 [ 36.749838][ T411] [ 36.752143][ T411] Allocated by task 411: [ 36.756364][ T411] ____kasan_kmalloc+0xdc/0x110 [ 36.761194][ T411] __kasan_kmalloc+0x9/0x10 [ 36.765671][ T411] __kmalloc+0x1f7/0x360 [ 36.769888][ T411] blk_mq_realloc_hw_ctxs+0xca/0x1840 [ 36.775259][ T411] blk_mq_init_allocated_queue+0x41a/0x1a30 [ 36.781125][ T411] blk_mq_init_queue+0x6c/0xc0 [ 36.785900][ T411] loop_add+0x284/0x840 [ 36.790030][ T411] loop_control_ioctl+0x564/0x740 [ 36.795026][ T411] __se_sys_ioctl+0x115/0x190 [ 36.799677][ T411] __x64_sys_ioctl+0x7b/0x90 [ 36.804240][ T411] do_syscall_64+0x34/0x70 [ 36.808630][ T411] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 36.814488][ T411] [ 36.816792][ T411] Freed by task 411: [ 36.820678][ T411] kasan_set_track+0x4c/0x80 [ 36.825243][ T411] kasan_set_free_info+0x23/0x40 [ 36.830157][ T411] ____kasan_slab_free+0x121/0x160 [ 36.835241][ T411] __kasan_slab_free+0x11/0x20 [ 36.839976][ T411] slab_free_freelist_hook+0xcc/0x1a0 [ 36.845322][ T411] kfree+0xc3/0x290 [ 36.849114][ T411] blk_mq_release+0x2d0/0x310 [ 36.853765][ T411] blk_release_queue+0x314/0x430 [ 36.858675][ T411] kobject_put+0x163/0x240 [ 36.863071][ T411] blk_put_queue+0x19/0x20 [ 36.867552][ T411] disk_release+0x231/0x2a0 [ 36.872027][ T411] device_release+0x9c/0x1d0 [ 36.876690][ T411] kobject_put+0x163/0x240 [ 36.881107][ T411] put_disk+0x23/0x30 [ 36.885104][ T411] loop_add+0x5e6/0x840 [ 36.889239][ T411] loop_control_ioctl+0x564/0x740 [ 36.894245][ T411] __se_sys_ioctl+0x115/0x190 [ 36.899028][ T411] __x64_sys_ioctl+0x7b/0x90 [ 36.903946][ T411] do_syscall_64+0x34/0x70 [ 36.908336][ T411] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 36.914204][ T411] [ 36.916536][ T411] The buggy address belongs to the object at ffff88810b78c050 [ 36.916536][ T411] which belongs to the cache kmalloc-8 of size 8 [ 36.930321][ T411] The buggy address is located 0 bytes inside of [ 36.930321][ T411] 8-byte region [ffff88810b78c050, ffff88810b78c058) [ 36.943424][ T411] The buggy address belongs to the page: [ 36.949040][ T411] page:ffffea00042de300 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10b78c [ 36.959247][ T411] flags: 0x8000000000000200(slab) [ 36.964252][ T411] raw: 8000000000000200 ffffea00042de200 0000001900000019 ffff888100043c80 [ 36.972884][ T411] raw: 0000000000000000 0000000080660066 00000001ffffffff 0000000000000000 [ 36.981525][ T411] page dumped because: kasan: bad access detected [ 36.987922][ T411] page_owner tracks the page as allocated [ 36.993623][ T411] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x12a20(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY), pid 1, ts 2728514769, free_ts 0 [ 37.008559][ T411] get_page_from_freelist+0x745/0x760 [ 37.013994][ T411] __alloc_pages_nodemask+0x3b6/0x890 [ 37.019425][ T411] allocate_slab+0x78/0x540 [ 37.023937][ T411] ___slab_alloc+0x131/0x2e0 [ 37.028510][ T411] __slab_alloc+0x63/0xa0 [ 37.032819][ T411] __kmalloc_track_caller+0x23e/0x350 [ 37.038164][ T411] kstrdup+0x34/0x70 [ 37.042036][ T411] get_permissions_callback+0x43/0xa0 [ 37.047379][ T411] hashtab_map+0x100/0x200 [ 37.051798][ T411] security_get_permissions+0x10d/0x380 [ 37.057315][ T411] sel_make_policy_nodes+0xfc5/0x1b40 [ 37.062661][ T411] sel_write_load+0x38c/0x540 [ 37.067310][ T411] vfs_write+0x369/0xf40 [ 37.071527][ T411] ksys_write+0x198/0x2c0 [ 37.075917][ T411] __x64_sys_write+0x7b/0x90 [ 37.080511][ T411] do_syscall_64+0x34/0x70 [ 37.084914][ T411] page_owner free stack trace missing [ 37.090255][ T411] [ 37.092554][ T411] Memory state around the buggy address: [ 37.098164][ T411] ffff88810b78bf00: fc fc fc fc 00 00 00 00 00 00 00 fc fc fc fc 00 [ 37.106318][ T411] ffff88810b78bf80: 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc [ 37.114356][ T411] >ffff88810b78c000: 00 fc fc fc fc 00 fc fc fc fc fa fc fc fc fc fa [ 37.122388][ T411] ^ [ 37.129121][ T411] ffff88810b78c080: fc fc fc fc 00 fc fc fc fc 00 fc fc fc fc fa fc [ 37.137154][ T411] ffff88810b78c100: fc fc fc 00 fc fc fc fc 00 fc fc fc fc fa fc fc [ 37.145268][ T411] ================================================================== [ 37.153317][ T411] Disabling lock debugging due to kernel taint [ 37.162777][ T23] audit: type=1400 audit(1653584263.340:155): 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 [ 37.184963][ T411] ------------[ cut here ]------------ [ 37.190531][ T411] refcount_t: underflow; use-after-free. [ 37.196209][ T411] WARNING: CPU: 0 PID: 411 at lib/refcount.c:28 refcount_warn_saturate+0x165/0x1b0 [ 37.196744][ T23] audit: type=1400 audit(1653584263.340:156): 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 [ 37.205585][ T411] Modules linked in: [ 37.228027][ T23] audit: type=1400 audit(1653584263.340:157): 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 [ 37.255169][ T411] [ 37.257638][ T411] CPU: 0 PID: 411 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 37.270118][ T411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.280237][ T411] RIP: 0010:refcount_warn_saturate+0x165/0x1b0 [ 37.286392][ T411] Code: c7 20 be 43 85 31 c0 e8 39 22 f2 fe 0f 0b eb 83 e8 d0 e7 1f ff c6 05 5d 6c 0f 04 01 48 c7 c7 80 be 43 85 31 c0 e8 1b 22 f2 fe <0f> 0b e9 62 ff ff ff e8 af e7 1f ff c6 05 3d 6c 0f 04 01 48 c7 c7 [ 37.306042][ T411] RSP: 0018:ffffc90000c87ca0 EFLAGS: 00010246 [ 37.312177][ T411] RAX: cf2493813e566600 RBX: 0000000000000003 RCX: ffff88810c560000 [ 37.320332][ T411] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 37.328720][ T411] RBP: ffffc90000c87cb0 R08: ffffffff8153a998 R09: ffffed103ee44e83 [ 37.336732][ T411] R10: ffffed103ee44e83 R11: 1ffff1103ee44e82 R12: ffff88810a85e010 [ 37.344855][ T411] R13: ffff88810a85e048 R14: 0000000000000003 R15: dffffc0000000000 [ 37.352869][ T411] FS: 00007f3c6e505700(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 37.361911][ T411] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.368992][ T411] CR2: 0000556182e1e858 CR3: 000000010d649000 CR4: 00000000003506b0 [ 37.377213][ T411] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 37.385490][ T411] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 37.393550][ T411] Call Trace: [ 37.397134][ T411] kobject_put+0x206/0x240 [ 37.401546][ T411] blk_cleanup_queue+0x1ec/0x210 [ 37.406527][ T411] loop_add+0x613/0x840 [ 37.411169][ T411] loop_control_ioctl+0x564/0x740 [ 37.416176][ T411] ? loop_remove+0xb0/0xb0 [ 37.420835][ T411] ? __fget_files+0x310/0x370 [ 37.425521][ T411] ? security_file_ioctl+0xb1/0xd0 [ 37.430778][ T411] ? loop_remove+0xb0/0xb0 [ 37.435187][ T411] __se_sys_ioctl+0x115/0x190 [ 37.440012][ T411] __x64_sys_ioctl+0x7b/0x90 [ 37.444692][ T411] do_syscall_64+0x34/0x70 [ 37.449116][ T411] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 37.455099][ T411] RIP: 0033:0x7f3c6e58f0e9 [ 37.459550][ T411] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 37.479546][ T411] RSP: 002b:00007f3c6e505168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 37.488579][ T411] RAX: ffffffffffffffda RBX: 00007f3c6e6a1f60 RCX: 00007f3c6e58f0e9 [ 37.496639][ T411] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 37.504661][ T411] RBP: 00007f3c6e5051d0 R08: 0000000000000000 R09: 0000000000000000 [ 37.512643][ T411] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 37.520773][ T411] R13: 00007ffce774604f R14: 00007f3c6e505300 R15: 0000000000022000 [ 37.528768][ T411] ---[ end trace b283e9c563a2f98b ]--- [ 37.539366][ T414] FAULT_INJECTION: forcing a failure. [ 37.539366][ T414] name failslab, interval 1, probability 0, space 0, times 0 [ 37.552075][ T414] CPU: 0 PID: 414 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 37.564207][ T414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.574237][ T414] Call Trace: [ 37.577510][ T414] dump_stack_lvl+0x1e2/0x24b [ 37.582245][ T414] ? panic+0x7d7/0x7d7 [ 37.586379][ T414] ? bfq_pos_tree_add_move+0x43e/0x43e [ 37.591810][ T414] ? __kasan_kmalloc+0x9/0x10 [ 37.596462][ T414] ? kobj_map+0x72/0x6f0 [ 37.600686][ T414] ? __device_add_disk+0x6e0/0x11b0 [ 37.605946][ T414] ? device_add_disk+0x2a/0x40 [ 37.610779][ T414] ? loop_control_ioctl+0x564/0x740 [ 37.615979][ T414] ? __se_sys_ioctl+0x115/0x190 [ 37.620812][ T414] ? __x64_sys_ioctl+0x7b/0x90 [ 37.625557][ T414] dump_stack+0x15/0x17 [ 37.629686][ T414] should_fail+0x3c0/0x510 [ 37.634077][ T414] ? kvasprintf_const+0x139/0x180 [ 37.639201][ T414] __should_failslab+0x9f/0xe0 [ 37.643938][ T414] should_failslab+0x9/0x20 [ 37.648411][ T414] __kmalloc_track_caller+0x5f/0x350 [ 37.653931][ T414] kstrdup_const+0x55/0x90 [ 37.658319][ T414] kvasprintf_const+0x139/0x180 [ 37.663148][ T414] kobject_set_name_vargs+0x61/0x120 [ 37.668408][ T414] dev_set_name+0xd1/0x120 [ 37.672792][ T414] ? __kmalloc+0x1f7/0x360 [ 37.677179][ T414] ? vsnprintf+0x1fa/0x1cd0 [ 37.681678][ T414] ? get_device+0x30/0x30 [ 37.686069][ T414] ? kobj_map+0x6ad/0x6f0 [ 37.690385][ T414] __device_add_disk+0x733/0x11b0 [ 37.695381][ T414] ? device_add_disk+0x40/0x40 [ 37.700118][ T414] ? sprintf+0xd6/0x120 [ 37.704257][ T414] ? vsprintf+0x40/0x40 [ 37.708384][ T414] ? device_initialize+0x1d9/0x3a0 [ 37.713532][ T414] device_add_disk+0x2a/0x40 [ 37.718126][ T414] loop_add+0x5c4/0x840 [ 37.722276][ T414] loop_control_ioctl+0x564/0x740 [ 37.727292][ T414] ? loop_remove+0xb0/0xb0 [ 37.731779][ T414] ? __fget_files+0x310/0x370 [ 37.736447][ T414] ? security_file_ioctl+0xb1/0xd0 [ 37.741534][ T414] ? loop_remove+0xb0/0xb0 [ 37.745929][ T414] __se_sys_ioctl+0x115/0x190 [ 37.750585][ T414] __x64_sys_ioctl+0x7b/0x90 [ 37.755153][ T414] do_syscall_64+0x34/0x70 [ 37.759545][ T414] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 37.765496][ T414] RIP: 0033:0x7f3c6e58f0e9 [ 37.769896][ T414] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 37.789566][ T414] RSP: 002b:00007f3c6e505168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 37.797953][ T414] RAX: ffffffffffffffda RBX: 00007f3c6e6a1f60 RCX: 00007f3c6e58f0e9 [ 37.805988][ T414] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 37.813935][ T414] RBP: 00007f3c6e5051d0 R08: 0000000000000000 R09: 0000000000000000 [ 37.821973][ T414] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 37.830091][ T414] R13: 00007ffce774604f R14: 00007f3c6e505300 R15: 0000000000022000 [ 37.846666][ T416] FAULT_INJECTION: forcing a failure. [ 37.846666][ T416] name failslab, interval 1, probability 0, space 0, times 0 [ 37.859419][ T416] CPU: 0 PID: 416 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 37.871647][ T416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.881687][ T416] Call Trace: [ 37.884958][ T416] dump_stack_lvl+0x1e2/0x24b [ 37.889614][ T416] ? panic+0x7d7/0x7d7 [ 37.893654][ T416] ? bfq_pos_tree_add_move+0x43e/0x43e [ 37.899087][ T416] dump_stack+0x15/0x17 [ 37.903216][ T416] should_fail+0x3c0/0x510 [ 37.907610][ T416] __should_failslab+0x9f/0xe0 [ 37.912348][ T416] should_failslab+0x9/0x20 [ 37.916821][ T416] kmem_cache_alloc+0x3f/0x300 [ 37.921558][ T416] ? __kernfs_new_node+0xdb/0x6e0 [ 37.926552][ T416] __kernfs_new_node+0xdb/0x6e0 [ 37.931375][ T416] ? mutex_unlock+0x1d/0x40 [ 37.935849][ T416] ? kernfs_new_node+0x170/0x170 [ 37.940757][ T416] ? kernfs_add_one+0x4c5/0x5e0 [ 37.945581][ T416] ? kernfs_create_dir_ns+0x1eb/0x230 [ 37.950963][ T416] kernfs_new_node+0x97/0x170 [ 37.955617][ T416] __kernfs_create_file+0x4a/0x270 [ 37.960707][ T416] sysfs_add_file_mode_ns+0x273/0x320 [ 37.966046][ T416] sysfs_create_file_ns+0x191/0x2a0 [ 37.971216][ T416] ? sysfs_add_file_mode_ns+0x320/0x320 [ 37.976737][ T416] ? __kasan_check_write+0x14/0x20 [ 37.981923][ T416] ? __up_read+0x16/0x100 [ 37.986312][ T416] device_create_file+0x110/0x1d0 [ 37.991400][ T416] device_add+0x496/0xbd0 [ 37.995719][ T416] __device_add_disk+0x7c1/0x11b0 [ 38.000715][ T416] ? device_add_disk+0x40/0x40 [ 38.005453][ T416] ? sprintf+0xd6/0x120 [ 38.009581][ T416] ? vsprintf+0x40/0x40 [ 38.013707][ T416] ? device_initialize+0x1d9/0x3a0 [ 38.018793][ T416] device_add_disk+0x2a/0x40 [ 38.023355][ T416] loop_add+0x5c4/0x840 [ 38.027488][ T416] loop_control_ioctl+0x564/0x740 [ 38.032578][ T416] ? loop_remove+0xb0/0xb0 [ 38.036968][ T416] ? __fget_files+0x310/0x370 [ 38.041618][ T416] ? security_file_ioctl+0xb1/0xd0 [ 38.046706][ T416] ? loop_remove+0xb0/0xb0 [ 38.051121][ T416] __se_sys_ioctl+0x115/0x190 [ 38.055947][ T416] __x64_sys_ioctl+0x7b/0x90 [ 38.060516][ T416] do_syscall_64+0x34/0x70 [ 38.064905][ T416] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 38.070768][ T416] RIP: 0033:0x7f3c6e58f0e9 [ 38.075159][ T416] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 38.094853][ T416] RSP: 002b:00007f3c6e505168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 38.103239][ T416] RAX: ffffffffffffffda RBX: 00007f3c6e6a1f60 RCX: 00007f3c6e58f0e9 [ 38.111198][ T416] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 38.119158][ T416] RBP: 00007f3c6e5051d0 R08: 0000000000000000 R09: 0000000000000000 [ 38.127193][ T416] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 38.135331][ T416] R13: 00007ffce774604f R14: 00007f3c6e505300 R15: 0000000000022000 [ 38.150012][ T418] FAULT_INJECTION: forcing a failure. [ 38.150012][ T418] name failslab, interval 1, probability 0, space 0, times 0 [ 38.162680][ T418] CPU: 0 PID: 418 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 38.174976][ T418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.185360][ T418] Call Trace: [ 38.188642][ T418] dump_stack_lvl+0x1e2/0x24b [ 38.193307][ T418] ? panic+0x7d7/0x7d7 [ 38.197353][ T418] ? bfq_pos_tree_add_move+0x43e/0x43e [ 38.202796][ T418] ? memcpy+0x56/0x70 [ 38.206762][ T418] dump_stack+0x15/0x17 [ 38.210996][ T418] should_fail+0x3c0/0x510 [ 38.215502][ T418] ? device_add+0xbe/0xbd0 [ 38.219894][ T418] __should_failslab+0x9f/0xe0 [ 38.224720][ T418] should_failslab+0x9/0x20 [ 38.229198][ T418] kmem_cache_alloc_trace+0x3a/0x330 [ 38.234457][ T418] ? __kasan_check_write+0x14/0x20 [ 38.239543][ T418] device_add+0xbe/0xbd0 [ 38.243772][ T418] __device_add_disk+0x7c1/0x11b0 [ 38.248783][ T418] ? device_add_disk+0x40/0x40 [ 38.253703][ T418] ? sprintf+0xd6/0x120 [ 38.257939][ T418] ? vsprintf+0x40/0x40 [ 38.262083][ T418] ? device_initialize+0x1d9/0x3a0 [ 38.267298][ T418] device_add_disk+0x2a/0x40 [ 38.271878][ T418] loop_add+0x5c4/0x840 [ 38.276019][ T418] loop_control_ioctl+0x564/0x740 [ 38.281038][ T418] ? loop_remove+0xb0/0xb0 [ 38.285428][ T418] ? __fget_files+0x310/0x370 [ 38.290089][ T418] ? security_file_ioctl+0xb1/0xd0 [ 38.295192][ T418] ? loop_remove+0xb0/0xb0 [ 38.299683][ T418] __se_sys_ioctl+0x115/0x190 [ 38.304333][ T418] __x64_sys_ioctl+0x7b/0x90 [ 38.308901][ T418] do_syscall_64+0x34/0x70 [ 38.313294][ T418] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 38.319257][ T418] RIP: 0033:0x7f3c6e58f0e9 [ 38.323648][ T418] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 38.343242][ T418] RSP: 002b:00007f3c6e505168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 38.351670][ T418] RAX: ffffffffffffffda RBX: 00007f3c6e6a1f60 RCX: 00007f3c6e58f0e9 [ 38.359621][ T418] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 38.367569][ T418] RBP: 00007f3c6e5051d0 R08: 0000000000000000 R09: 0000000000000000 [ 38.375518][ T418] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 38.383467][ T418] R13: 00007ffce774604f R14: 00007f3c6e505300 R15: 0000000000022000 [ 38.399703][ T420] FAULT_INJECTION: forcing a failure. [ 38.399703][ T420] name failslab, interval 1, probability 0, space 0, times 0 [ 38.412496][ T420] CPU: 1 PID: 420 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 38.424726][ T420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.434817][ T420] Call Trace: [ 38.438115][ T420] dump_stack_lvl+0x1e2/0x24b [ 38.442772][ T420] ? bfq_pos_tree_add_move+0x43e/0x43e [ 38.448297][ T420] dump_stack+0x15/0x17 [ 38.452447][ T420] should_fail+0x3c0/0x510 [ 38.456843][ T420] ? __kernfs_new_node+0x99/0x6e0 [ 38.461850][ T420] __should_failslab+0x9f/0xe0 [ 38.466597][ T420] should_failslab+0x9/0x20 [ 38.471947][ T420] __kmalloc_track_caller+0x5f/0x350 [ 38.477209][ T420] ? __kernel_text_address+0x9a/0x110 [ 38.482556][ T420] ? unwind_get_return_address+0x4c/0x90 [ 38.488165][ T420] kstrdup_const+0x55/0x90 [ 38.492569][ T420] __kernfs_new_node+0x99/0x6e0 [ 38.497406][ T420] ? stack_trace_save+0x12d/0x1f0 [ 38.502410][ T420] ? kernfs_new_node+0x170/0x170 [ 38.507339][ T420] ? stack_trace_snprint+0x100/0x100 [ 38.512686][ T420] ? dput+0x2ce/0x320 [ 38.516646][ T420] ? device_add+0xbe/0xbd0 [ 38.521046][ T420] kernfs_create_dir_ns+0x9b/0x230 [ 38.526130][ T420] sysfs_create_dir_ns+0x181/0x390 [ 38.531214][ T420] ? sysfs_warn_dup+0xa0/0xa0 [ 38.535864][ T420] kobject_add_internal+0x766/0xda0 [ 38.541032][ T420] kobject_add+0x14c/0x210 [ 38.545421][ T420] ? _raw_spin_lock+0xa3/0x1b0 [ 38.550154][ T420] ? kobject_init+0x1e0/0x1e0 [ 38.554810][ T420] ? __kasan_check_write+0x14/0x20 [ 38.559896][ T420] ? mutex_unlock+0x1d/0x40 [ 38.564382][ T420] ? get_device_parent+0x2c5/0x430 [ 38.569505][ T420] device_add+0x3ca/0xbd0 [ 38.573925][ T420] __device_add_disk+0x7c1/0x11b0 [ 38.578929][ T420] ? device_add_disk+0x40/0x40 [ 38.583669][ T420] ? sprintf+0xd6/0x120 [ 38.587795][ T420] ? vsprintf+0x40/0x40 [ 38.592194][ T420] ? device_initialize+0x1d9/0x3a0 [ 38.597557][ T420] device_add_disk+0x2a/0x40 [ 38.602142][ T420] loop_add+0x5c4/0x840 [ 38.606362][ T420] loop_control_ioctl+0x564/0x740 [ 38.611454][ T420] ? loop_remove+0xb0/0xb0 [ 38.615932][ T420] ? __fget_files+0x310/0x370 [ 38.620581][ T420] ? security_file_ioctl+0xb1/0xd0 [ 38.625664][ T420] ? loop_remove+0xb0/0xb0 [ 38.630062][ T420] __se_sys_ioctl+0x115/0x190 [ 38.634900][ T420] __x64_sys_ioctl+0x7b/0x90 [ 38.639484][ T420] do_syscall_64+0x34/0x70 [ 38.643904][ T420] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 38.649803][ T420] RIP: 0033:0x7f3c6e58f0e9 [ 38.654217][ T420] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 38.673805][ T420] RSP: 002b:00007f3c6e505168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 38.682203][ T420] RAX: ffffffffffffffda RBX: 00007f3c6e6a1f60 RCX: 00007f3c6e58f0e9 [ 38.690266][ T420] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 38.698225][ T420] RBP: 00007f3c6e5051d0 R08: 0000000000000000 R09: 0000000000000000 [ 38.706186][ T420] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 38.714313][ T420] R13: 00007ffce774604f R14: 00007f3c6e505300 R15: 0000000000022000 [ 38.723522][ T420] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 38.738189][ T422] FAULT_INJECTION: forcing a failure. [ 38.738189][ T422] name failslab, interval 1, probability 0, space 0, times 0 [ 38.750911][ T422] CPU: 0 PID: 422 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 38.763031][ T422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.773235][ T422] Call Trace: [ 38.776703][ T422] dump_stack_lvl+0x1e2/0x24b [ 38.781371][ T422] ? bfq_pos_tree_add_move+0x43e/0x43e [ 38.786806][ T422] dump_stack+0x15/0x17 [ 38.790936][ T422] should_fail+0x3c0/0x510 [ 38.795329][ T422] ? __kernfs_new_node+0x99/0x6e0 [ 38.800329][ T422] __should_failslab+0x9f/0xe0 [ 38.805070][ T422] should_failslab+0x9/0x20 [ 38.809741][ T422] __kmalloc_track_caller+0x5f/0x350 [ 38.815005][ T422] ? __kernel_text_address+0x9a/0x110 [ 38.820351][ T422] ? unwind_get_return_address+0x4c/0x90 [ 38.825969][ T422] kstrdup_const+0x55/0x90 [ 38.830376][ T422] __kernfs_new_node+0x99/0x6e0 [ 38.835205][ T422] ? stack_trace_save+0x12d/0x1f0 [ 38.840296][ T422] ? kernfs_new_node+0x170/0x170 [ 38.845212][ T422] ? stack_trace_snprint+0x100/0x100 [ 38.850608][ T422] ? dput+0x2ce/0x320 [ 38.854568][ T422] ? device_add+0xbe/0xbd0 [ 38.858965][ T422] kernfs_create_dir_ns+0x9b/0x230 [ 38.864056][ T422] sysfs_create_dir_ns+0x181/0x390 [ 38.869138][ T422] ? sysfs_warn_dup+0xa0/0xa0 [ 38.873790][ T422] kobject_add_internal+0x766/0xda0 [ 38.879137][ T422] kobject_add+0x14c/0x210 [ 38.883529][ T422] ? _raw_spin_lock+0xa3/0x1b0 [ 38.888275][ T422] ? kobject_init+0x1e0/0x1e0 [ 38.892956][ T422] ? __kasan_check_write+0x14/0x20 [ 38.898050][ T422] ? mutex_unlock+0x1d/0x40 [ 38.902530][ T422] ? get_device_parent+0x2c5/0x430 [ 38.907704][ T422] device_add+0x3ca/0xbd0 [ 38.912011][ T422] __device_add_disk+0x7c1/0x11b0 [ 38.917013][ T422] ? device_add_disk+0x40/0x40 [ 38.921758][ T422] ? sprintf+0xd6/0x120 [ 38.925893][ T422] ? vsprintf+0x40/0x40 [ 38.930024][ T422] ? device_initialize+0x1d9/0x3a0 [ 38.935111][ T422] device_add_disk+0x2a/0x40 [ 38.939722][ T422] loop_add+0x5c4/0x840 [ 38.943879][ T422] loop_control_ioctl+0x564/0x740 [ 38.948888][ T422] ? loop_remove+0xb0/0xb0 [ 38.953290][ T422] ? __fget_files+0x310/0x370 [ 38.957962][ T422] ? security_file_ioctl+0xb1/0xd0 [ 38.963047][ T422] ? loop_remove+0xb0/0xb0 [ 38.967440][ T422] __se_sys_ioctl+0x115/0x190 [ 38.972093][ T422] __x64_sys_ioctl+0x7b/0x90 [ 38.976681][ T422] do_syscall_64+0x34/0x70 [ 38.981076][ T422] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 38.986942][ T422] RIP: 0033:0x7f3c6e58f0e9 [ 38.991336][ T422] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 39.010923][ T422] RSP: 002b:00007f3c6e505168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 39.019806][ T422] RAX: ffffffffffffffda RBX: 00007f3c6e6a1f60 RCX: 00007f3c6e58f0e9 [ 39.027829][ T422] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 39.035778][ T422] RBP: 00007f3c6e5051d0 R08: 0000000000000000 R09: 0000000000000000 [ 39.043724][ T422] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 39.051676][ T422] R13: 00007ffce774604f R14: 00007f3c6e505300 R15: 0000000000022000 [ 39.062139][ T422] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 39.076065][ T424] FAULT_INJECTION: forcing a failure. [ 39.076065][ T424] name failslab, interval 1, probability 0, space 0, times 0 [ 39.088908][ T424] CPU: 0 PID: 424 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 39.101037][ T424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.111169][ T424] Call Trace: [ 39.114442][ T424] dump_stack_lvl+0x1e2/0x24b [ 39.119097][ T424] ? panic+0x7d7/0x7d7 [ 39.123246][ T424] ? bfq_pos_tree_add_move+0x43e/0x43e [ 39.128695][ T424] dump_stack+0x15/0x17 [ 39.132998][ T424] should_fail+0x3c0/0x510 [ 39.137392][ T424] __should_failslab+0x9f/0xe0 [ 39.142158][ T424] should_failslab+0x9/0x20 [ 39.146634][ T424] kmem_cache_alloc+0x3f/0x300 [ 39.151467][ T424] ? __kernfs_new_node+0xdb/0x6e0 [ 39.156516][ T424] __kernfs_new_node+0xdb/0x6e0 [ 39.161343][ T424] ? stack_trace_save+0x12d/0x1f0 [ 39.166479][ T424] ? kernfs_new_node+0x170/0x170 [ 39.171452][ T424] ? stack_trace_snprint+0x100/0x100 [ 39.176734][ T424] ? dput+0x2ce/0x320 [ 39.180704][ T424] ? device_add+0xbe/0xbd0 [ 39.185098][ T424] kernfs_create_dir_ns+0x9b/0x230 [ 39.190185][ T424] sysfs_create_dir_ns+0x181/0x390 [ 39.195276][ T424] ? sysfs_warn_dup+0xa0/0xa0 [ 39.199930][ T424] kobject_add_internal+0x766/0xda0 [ 39.205101][ T424] kobject_add+0x14c/0x210 [ 39.209493][ T424] ? _raw_spin_lock+0xa3/0x1b0 [ 39.214230][ T424] ? kobject_init+0x1e0/0x1e0 [ 39.218881][ T424] ? __kasan_check_write+0x14/0x20 [ 39.223964][ T424] ? mutex_unlock+0x1d/0x40 [ 39.228440][ T424] ? get_device_parent+0x2c5/0x430 [ 39.233521][ T424] device_add+0x3ca/0xbd0 [ 39.237839][ T424] __device_add_disk+0x7c1/0x11b0 [ 39.242837][ T424] ? device_add_disk+0x40/0x40 [ 39.247658][ T424] ? sprintf+0xd6/0x120 [ 39.251785][ T424] ? vsprintf+0x40/0x40 [ 39.255912][ T424] ? device_initialize+0x1d9/0x3a0 [ 39.261029][ T424] device_add_disk+0x2a/0x40 [ 39.265591][ T424] loop_add+0x5c4/0x840 [ 39.269719][ T424] loop_control_ioctl+0x564/0x740 [ 39.274719][ T424] ? loop_remove+0xb0/0xb0 [ 39.279116][ T424] ? __fget_files+0x310/0x370 [ 39.283787][ T424] ? security_file_ioctl+0xb1/0xd0 [ 39.288868][ T424] ? loop_remove+0xb0/0xb0 [ 39.293258][ T424] __se_sys_ioctl+0x115/0x190 [ 39.297922][ T424] __x64_sys_ioctl+0x7b/0x90 [ 39.302504][ T424] do_syscall_64+0x34/0x70 [ 39.306901][ T424] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 39.312862][ T424] RIP: 0033:0x7f3c6e58f0e9 [ 39.317283][ T424] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 39.336870][ T424] RSP: 002b:00007f3c6e505168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 39.345261][ T424] RAX: ffffffffffffffda RBX: 00007f3c6e6a1f60 RCX: 00007f3c6e58f0e9 [ 39.353209][ T424] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 39.361154][ T424] RBP: 00007f3c6e5051d0 R08: 0000000000000000 R09: 0000000000000000 [ 39.369112][ T424] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 39.377072][ T424] R13: 00007ffce774604f R14: 00007f3c6e505300 R15: 0000000000022000 [ 39.385299][ T424] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 39.399294][ T426] FAULT_INJECTION: forcing a failure. [ 39.399294][ T426] name failslab, interval 1, probability 0, space 0, times 0 [ 39.411954][ T426] CPU: 0 PID: 426 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 39.424085][ T426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.434124][ T426] Call Trace: [ 39.437395][ T426] dump_stack_lvl+0x1e2/0x24b [ 39.442045][ T426] ? bfq_pos_tree_add_move+0x43e/0x43e [ 39.447478][ T426] dump_stack+0x15/0x17 [ 39.451606][ T426] should_fail+0x3c0/0x510 [ 39.456010][ T426] ? __kernfs_new_node+0x99/0x6e0 [ 39.461127][ T426] __should_failslab+0x9f/0xe0 [ 39.465889][ T426] should_failslab+0x9/0x20 [ 39.470380][ T426] __kmalloc_track_caller+0x5f/0x350 [ 39.475646][ T426] ? __kernel_text_address+0x9a/0x110 [ 39.481001][ T426] ? unwind_get_return_address+0x4c/0x90 [ 39.486611][ T426] kstrdup_const+0x55/0x90 [ 39.491004][ T426] __kernfs_new_node+0x99/0x6e0 [ 39.495829][ T426] ? stack_trace_save+0x12d/0x1f0 [ 39.500844][ T426] ? kernfs_new_node+0x170/0x170 [ 39.505760][ T426] ? stack_trace_snprint+0x100/0x100 [ 39.511041][ T426] ? dput+0x2ce/0x320 [ 39.514998][ T426] ? device_add+0xbe/0xbd0 [ 39.519388][ T426] kernfs_create_dir_ns+0x9b/0x230 [ 39.524472][ T426] sysfs_create_dir_ns+0x181/0x390 [ 39.529558][ T426] ? sysfs_warn_dup+0xa0/0xa0 [ 39.534212][ T426] kobject_add_internal+0x766/0xda0 [ 39.539454][ T426] kobject_add+0x14c/0x210 [ 39.543871][ T426] ? _raw_spin_lock+0xa3/0x1b0 [ 39.548618][ T426] ? kobject_init+0x1e0/0x1e0 [ 39.553273][ T426] ? __kasan_check_write+0x14/0x20 [ 39.558458][ T426] ? mutex_unlock+0x1d/0x40 [ 39.562936][ T426] ? get_device_parent+0x2c5/0x430 [ 39.568019][ T426] device_add+0x3ca/0xbd0 [ 39.572327][ T426] __device_add_disk+0x7c1/0x11b0 [ 39.577450][ T426] ? device_add_disk+0x40/0x40 [ 39.582189][ T426] ? sprintf+0xd6/0x120 [ 39.586333][ T426] ? vsprintf+0x40/0x40 [ 39.590578][ T426] ? device_initialize+0x1d9/0x3a0 [ 39.595686][ T426] device_add_disk+0x2a/0x40 [ 39.600255][ T426] loop_add+0x5c4/0x840 [ 39.604383][ T426] loop_control_ioctl+0x564/0x740 [ 39.609394][ T426] ? loop_remove+0xb0/0xb0 [ 39.613785][ T426] ? __fget_files+0x310/0x370 [ 39.618443][ T426] ? security_file_ioctl+0xb1/0xd0 [ 39.623538][ T426] ? loop_remove+0xb0/0xb0 [ 39.627929][ T426] __se_sys_ioctl+0x115/0x190 [ 39.632589][ T426] __x64_sys_ioctl+0x7b/0x90 [ 39.637161][ T426] do_syscall_64+0x34/0x70 [ 39.641553][ T426] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 39.647529][ T426] RIP: 0033:0x7f3c6e58f0e9 [ 39.651933][ T426] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 39.671912][ T426] RSP: 002b:00007f3c6e505168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 39.680302][ T426] RAX: ffffffffffffffda RBX: 00007f3c6e6a1f60 RCX: 00007f3c6e58f0e9 [ 39.688254][ T426] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 39.696202][ T426] RBP: 00007f3c6e5051d0 R08: 0000000000000000 R09: 0000000000000000 [ 39.704150][ T426] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 39.712213][ T426] R13: 00007ffce774604f R14: 00007f3c6e505300 R15: 0000000000022000 [ 39.721044][ T426] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 39.734741][ T428] FAULT_INJECTION: forcing a failure. [ 39.734741][ T428] name failslab, interval 1, probability 0, space 0, times 0 [ 39.747397][ T428] CPU: 1 PID: 428 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 39.759536][ T428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.769567][ T428] Call Trace: [ 39.772848][ T428] dump_stack_lvl+0x1e2/0x24b [ 39.777608][ T428] ? bfq_pos_tree_add_move+0x43e/0x43e [ 39.783123][ T428] dump_stack+0x15/0x17 [ 39.787253][ T428] should_fail+0x3c0/0x510 [ 39.791643][ T428] ? __kernfs_new_node+0x99/0x6e0 [ 39.796640][ T428] __should_failslab+0x9f/0xe0 [ 39.801396][ T428] should_failslab+0x9/0x20 [ 39.805875][ T428] __kmalloc_track_caller+0x5f/0x350 [ 39.811131][ T428] ? __kernel_text_address+0x9a/0x110 [ 39.816475][ T428] ? unwind_get_return_address+0x4c/0x90 [ 39.822167][ T428] kstrdup_const+0x55/0x90 [ 39.826572][ T428] __kernfs_new_node+0x99/0x6e0 [ 39.831395][ T428] ? stack_trace_save+0x12d/0x1f0 [ 39.836395][ T428] ? kernfs_new_node+0x170/0x170 [ 39.841315][ T428] ? stack_trace_snprint+0x100/0x100 [ 39.846595][ T428] ? dput+0x2ce/0x320 [ 39.850568][ T428] ? device_add+0xbe/0xbd0 [ 39.854963][ T428] kernfs_create_dir_ns+0x9b/0x230 [ 39.860053][ T428] sysfs_create_dir_ns+0x181/0x390 [ 39.865141][ T428] ? sysfs_warn_dup+0xa0/0xa0 [ 39.869799][ T428] kobject_add_internal+0x766/0xda0 [ 39.875119][ T428] kobject_add+0x14c/0x210 [ 39.879618][ T428] ? _raw_spin_lock+0xa3/0x1b0 [ 39.884363][ T428] ? kobject_init+0x1e0/0x1e0 [ 39.889014][ T428] ? __kasan_check_write+0x14/0x20 [ 39.894099][ T428] ? mutex_unlock+0x1d/0x40 [ 39.898575][ T428] ? get_device_parent+0x2c5/0x430 [ 39.903667][ T428] device_add+0x3ca/0xbd0 [ 39.907972][ T428] __device_add_disk+0x7c1/0x11b0 [ 39.912992][ T428] ? device_add_disk+0x40/0x40 [ 39.917729][ T428] ? sprintf+0xd6/0x120 [ 39.921859][ T428] ? vsprintf+0x40/0x40 [ 39.926013][ T428] ? device_initialize+0x1d9/0x3a0 [ 39.931105][ T428] device_add_disk+0x2a/0x40 [ 39.935668][ T428] loop_add+0x5c4/0x840 [ 39.939797][ T428] loop_control_ioctl+0x564/0x740 [ 39.944805][ T428] ? loop_remove+0xb0/0xb0 [ 39.949215][ T428] ? __fget_files+0x310/0x370 [ 39.953867][ T428] ? security_file_ioctl+0xb1/0xd0 [ 39.958959][ T428] ? loop_remove+0xb0/0xb0 [ 39.963348][ T428] __se_sys_ioctl+0x115/0x190 [ 39.968003][ T428] __x64_sys_ioctl+0x7b/0x90 [ 39.972580][ T428] do_syscall_64+0x34/0x70 [ 39.976972][ T428] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 39.982837][ T428] RIP: 0033:0x7f3c6e58f0e9 [ 39.987227][ T428] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 40.006902][ T428] RSP: 002b:00007f3c6e505168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 40.015301][ T428] RAX: ffffffffffffffda RBX: 00007f3c6e6a1f60 RCX: 00007f3c6e58f0e9 [ 40.023343][ T428] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 40.031404][ T428] RBP: 00007f3c6e5051d0 R08: 0000000000000000 R09: 0000000000000000 [ 40.039363][ T428] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.047432][ T428] R13: 00007ffce774604f R14: 00007f3c6e505300 R15: 0000000000022000 [ 40.056005][ T428] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 40.070433][ T430] FAULT_INJECTION: forcing a failure. [ 40.070433][ T430] name failslab, interval 1, probability 0, space 0, times 0 [ 40.083332][ T430] CPU: 0 PID: 430 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 40.095628][ T430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.105666][ T430] Call Trace: [ 40.108938][ T430] dump_stack_lvl+0x1e2/0x24b [ 40.113589][ T430] ? bfq_pos_tree_add_move+0x43e/0x43e [ 40.119052][ T430] dump_stack+0x15/0x17 [ 40.123185][ T430] should_fail+0x3c0/0x510 [ 40.127581][ T430] ? __kernfs_new_node+0x99/0x6e0 [ 40.132584][ T430] __should_failslab+0x9f/0xe0 [ 40.137368][ T430] should_failslab+0x9/0x20 [ 40.142415][ T430] __kmalloc_track_caller+0x5f/0x350 [ 40.147797][ T430] ? __kernel_text_address+0x9a/0x110 [ 40.153162][ T430] ? unwind_get_return_address+0x4c/0x90 [ 40.158778][ T430] kstrdup_const+0x55/0x90 [ 40.163179][ T430] __kernfs_new_node+0x99/0x6e0 [ 40.168139][ T430] ? stack_trace_save+0x12d/0x1f0 [ 40.173151][ T430] ? kernfs_new_node+0x170/0x170 [ 40.178742][ T430] ? stack_trace_snprint+0x100/0x100 [ 40.184017][ T430] ? dput+0x2ce/0x320 [ 40.187992][ T430] ? device_add+0xbe/0xbd0 [ 40.192389][ T430] kernfs_create_dir_ns+0x9b/0x230 [ 40.197499][ T430] sysfs_create_dir_ns+0x181/0x390 [ 40.202610][ T430] ? sysfs_warn_dup+0xa0/0xa0 [ 40.207274][ T430] kobject_add_internal+0x766/0xda0 [ 40.212450][ T430] kobject_add+0x14c/0x210 [ 40.216974][ T430] ? _raw_spin_lock+0xa3/0x1b0 [ 40.221731][ T430] ? kobject_init+0x1e0/0x1e0 [ 40.226394][ T430] ? __kasan_check_write+0x14/0x20 [ 40.231551][ T430] ? mutex_unlock+0x1d/0x40 [ 40.236166][ T430] ? get_device_parent+0x2c5/0x430 [ 40.241460][ T430] device_add+0x3ca/0xbd0 [ 40.245887][ T430] __device_add_disk+0x7c1/0x11b0 [ 40.250907][ T430] ? device_add_disk+0x40/0x40 [ 40.255660][ T430] ? sprintf+0xd6/0x120 [ 40.259803][ T430] ? vsprintf+0x40/0x40 [ 40.264032][ T430] ? device_initialize+0x1d9/0x3a0 [ 40.269122][ T430] device_add_disk+0x2a/0x40 [ 40.273908][ T430] loop_add+0x5c4/0x840 [ 40.278042][ T430] loop_control_ioctl+0x564/0x740 [ 40.283141][ T430] ? loop_remove+0xb0/0xb0 [ 40.287537][ T430] ? __fget_files+0x310/0x370 [ 40.292191][ T430] ? security_file_ioctl+0xb1/0xd0 [ 40.297279][ T430] ? loop_remove+0xb0/0xb0 [ 40.301666][ T430] __se_sys_ioctl+0x115/0x190 [ 40.306316][ T430] __x64_sys_ioctl+0x7b/0x90 [ 40.310879][ T430] do_syscall_64+0x34/0x70 [ 40.315264][ T430] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.321134][ T430] RIP: 0033:0x7f3c6e58f0e9 [ 40.325529][ T430] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 40.345121][ T430] RSP: 002b:00007f3c6e505168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 40.353515][ T430] RAX: ffffffffffffffda RBX: 00007f3c6e6a1f60 RCX: 00007f3c6e58f0e9 [ 40.361465][ T430] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 40.369414][ T430] RBP: 00007f3c6e5051d0 R08: 0000000000000000 R09: 0000000000000000 [ 40.377364][ T430] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.385308][ T430] R13: 00007ffce774604f R14: 00007f3c6e505300 R15: 0000000000022000 [ 40.393559][ T430] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 40.410159][ T432] FAULT_INJECTION: forcing a failure. [ 40.410159][ T432] name failslab, interval 1, probability 0, space 0, times 0 [ 40.423139][ T432] CPU: 1 PID: 432 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 40.435265][ T432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.445505][ T432] Call Trace: [ 40.448789][ T432] dump_stack_lvl+0x1e2/0x24b [ 40.453464][ T432] ? panic+0x7d7/0x7d7 [ 40.457599][ T432] ? bfq_pos_tree_add_move+0x43e/0x43e [ 40.463034][ T432] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 40.468033][ T432] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 40.473207][ T432] dump_stack+0x15/0x17 [ 40.477340][ T432] should_fail+0x3c0/0x510 [ 40.481932][ T432] ? kobj_map+0x72/0x6f0 [ 40.486162][ T432] __should_failslab+0x9f/0xe0 [ 40.491006][ T432] should_failslab+0x9/0x20 [ 40.495491][ T432] __kmalloc+0x60/0x360 [ 40.499626][ T432] ? vsnprintf+0x1fa/0x1cd0 [ 40.504194][ T432] ? __device_add_disk+0x585/0x11b0 [ 40.509373][ T432] kobj_map+0x72/0x6f0 [ 40.513520][ T432] ? exact_match+0x20/0x20 [ 40.517936][ T432] ? bdev_check_media_change+0x4c0/0x4c0 [ 40.523551][ T432] __device_add_disk+0x6e0/0x11b0 [ 40.528551][ T432] ? device_add_disk+0x40/0x40 [ 40.533291][ T432] ? sprintf+0xd6/0x120 [ 40.537423][ T432] ? vsprintf+0x40/0x40 [ 40.541571][ T432] ? device_initialize+0x1d9/0x3a0 [ 40.546664][ T432] device_add_disk+0x2a/0x40 [ 40.551323][ T432] loop_add+0x5c4/0x840 [ 40.555490][ T432] loop_control_ioctl+0x564/0x740 [ 40.560487][ T432] ? loop_remove+0xb0/0xb0 [ 40.564878][ T432] ? __fget_files+0x310/0x370 [ 40.569531][ T432] ? security_file_ioctl+0xb1/0xd0 [ 40.574623][ T432] ? loop_remove+0xb0/0xb0 [ 40.579013][ T432] __se_sys_ioctl+0x115/0x190 [ 40.583669][ T432] __x64_sys_ioctl+0x7b/0x90 [ 40.588239][ T432] do_syscall_64+0x34/0x70 [ 40.592717][ T432] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.598583][ T432] RIP: 0033:0x7f3c6e58f0e9 [ 40.603152][ T432] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 2022/05/26 16:57:46 executed programs: 11 [ 40.622744][ T432] RSP: 002b:00007f3c6e505168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 40.631175][ T432] RAX: ffffffffffffffda RBX: 00007f3c6e6a1f60 RCX: 00007f3c6e58f0e9 [ 40.639140][ T432] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 40.647095][ T432] RBP: 00007f3c6e5051d0 R08: 0000000000000000 R09: 0000000000000000 [ 40.655052][ T432] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.663013][ T432] R13: 00007ffce774604f R14: 00007f3c6e505300 R15: 0000000000022000 [ 40.708596][ T434] FAULT_INJECTION: forcing a failure. [ 40.708596][ T434] name failslab, interval 1, probability 0, space 0, times 0 [ 40.721324][ T434] CPU: 0 PID: 434 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 40.733442][ T434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.743478][ T434] Call Trace: [ 40.746828][ T434] dump_stack_lvl+0x1e2/0x24b [ 40.751482][ T434] ? panic+0x7d7/0x7d7 [ 40.755527][ T434] ? bfq_pos_tree_add_move+0x43e/0x43e [ 40.760961][ T434] dump_stack+0x15/0x17 [ 40.765118][ T434] should_fail+0x3c0/0x510 [ 40.769515][ T434] __should_failslab+0x9f/0xe0 [ 40.774266][ T434] should_failslab+0x9/0x20 [ 40.778744][ T434] kmem_cache_alloc+0x3f/0x300 [ 40.783483][ T434] ? __kernfs_new_node+0xdb/0x6e0 [ 40.788478][ T434] __kernfs_new_node+0xdb/0x6e0 [ 40.793301][ T434] ? stack_trace_save+0x12d/0x1f0 [ 40.798299][ T434] ? kernfs_new_node+0x170/0x170 [ 40.803207][ T434] ? stack_trace_snprint+0x100/0x100 [ 40.808464][ T434] ? dput+0x2ce/0x320 [ 40.812449][ T434] ? device_add+0xbe/0xbd0 [ 40.816840][ T434] kernfs_create_dir_ns+0x9b/0x230 [ 40.821944][ T434] sysfs_create_dir_ns+0x181/0x390 [ 40.827038][ T434] ? sysfs_warn_dup+0xa0/0xa0 [ 40.831690][ T434] kobject_add_internal+0x766/0xda0 [ 40.836864][ T434] kobject_add+0x14c/0x210 [ 40.841278][ T434] ? _raw_spin_lock+0xa3/0x1b0 [ 40.846112][ T434] ? kobject_init+0x1e0/0x1e0 [ 40.850777][ T434] ? __kasan_check_write+0x14/0x20 [ 40.855873][ T434] ? mutex_unlock+0x1d/0x40 [ 40.860358][ T434] ? get_device_parent+0x2c5/0x430 [ 40.865671][ T434] device_add+0x3ca/0xbd0 [ 40.869993][ T434] __device_add_disk+0x7c1/0x11b0 [ 40.874993][ T434] ? device_add_disk+0x40/0x40 [ 40.879732][ T434] ? sprintf+0xd6/0x120 [ 40.883862][ T434] ? vsprintf+0x40/0x40 [ 40.887991][ T434] ? device_initialize+0x1d9/0x3a0 [ 40.893079][ T434] device_add_disk+0x2a/0x40 [ 40.897654][ T434] loop_add+0x5c4/0x840 [ 40.901791][ T434] loop_control_ioctl+0x564/0x740 [ 40.906845][ T434] ? loop_remove+0xb0/0xb0 [ 40.911239][ T434] ? __fget_files+0x310/0x370 [ 40.915893][ T434] ? security_file_ioctl+0xb1/0xd0 [ 40.920978][ T434] ? loop_remove+0xb0/0xb0 [ 40.925410][ T434] __se_sys_ioctl+0x115/0x190 [ 40.930270][ T434] __x64_sys_ioctl+0x7b/0x90 [ 40.934854][ T434] do_syscall_64+0x34/0x70 [ 40.939348][ T434] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.945259][ T434] RIP: 0033:0x7f3c6e58f0e9 [ 40.949705][ T434] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 40.969305][ T434] RSP: 002b:00007f3c6e505168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 40.977702][ T434] RAX: ffffffffffffffda RBX: 00007f3c6e6a1f60 RCX: 00007f3c6e58f0e9 [ 40.985653][ T434] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 40.993601][ T434] RBP: 00007f3c6e5051d0 R08: 0000000000000000 R09: 0000000000000000 [ 41.001549][ T434] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.009616][ T434] R13: 00007ffce774604f R14: 00007f3c6e505300 R15: 0000000000022000 [ 41.018016][ T434] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 41.032663][ T436] FAULT_INJECTION: forcing a failure. [ 41.032663][ T436] name failslab, interval 1, probability 0, space 0, times 0 [ 41.045362][ T436] CPU: 0 PID: 436 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 41.057568][ T436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.068002][ T436] Call Trace: [ 41.071291][ T436] dump_stack_lvl+0x1e2/0x24b [ 41.075987][ T436] ? panic+0x7d7/0x7d7 [ 41.080119][ T436] ? bfq_pos_tree_add_move+0x43e/0x43e [ 41.085554][ T436] ? memcpy+0x56/0x70 [ 41.089517][ T436] dump_stack+0x15/0x17 [ 41.093646][ T436] should_fail+0x3c0/0x510 [ 41.098037][ T436] ? device_add+0xbe/0xbd0 [ 41.102511][ T436] __should_failslab+0x9f/0xe0 [ 41.107246][ T436] should_failslab+0x9/0x20 [ 41.111731][ T436] kmem_cache_alloc_trace+0x3a/0x330 [ 41.116989][ T436] ? __kasan_check_write+0x14/0x20 [ 41.122085][ T436] device_add+0xbe/0xbd0 [ 41.126400][ T436] __device_add_disk+0x7c1/0x11b0 [ 41.131400][ T436] ? device_add_disk+0x40/0x40 [ 41.136223][ T436] ? sprintf+0xd6/0x120 [ 41.140363][ T436] ? vsprintf+0x40/0x40 [ 41.144670][ T436] ? device_initialize+0x1d9/0x3a0 [ 41.149763][ T436] device_add_disk+0x2a/0x40 [ 41.154441][ T436] loop_add+0x5c4/0x840 [ 41.158587][ T436] loop_control_ioctl+0x564/0x740 [ 41.163861][ T436] ? loop_remove+0xb0/0xb0 [ 41.168264][ T436] ? __fget_files+0x310/0x370 [ 41.172933][ T436] ? security_file_ioctl+0xb1/0xd0 [ 41.178021][ T436] ? loop_remove+0xb0/0xb0 [ 41.182422][ T436] __se_sys_ioctl+0x115/0x190 [ 41.187092][ T436] __x64_sys_ioctl+0x7b/0x90 [ 41.191657][ T436] do_syscall_64+0x34/0x70 [ 41.196047][ T436] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.201914][ T436] RIP: 0033:0x7f3c6e58f0e9 [ 41.206303][ T436] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 41.225893][ T436] RSP: 002b:00007f3c6e505168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 41.234279][ T436] RAX: ffffffffffffffda RBX: 00007f3c6e6a1f60 RCX: 00007f3c6e58f0e9 [ 41.242248][ T436] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 41.250206][ T436] RBP: 00007f3c6e5051d0 R08: 0000000000000000 R09: 0000000000000000 [ 41.258152][ T436] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.266101][ T436] R13: 00007ffce774604f R14: 00007f3c6e505300 R15: 0000000000022000 [ 41.282967][ T438] FAULT_INJECTION: forcing a failure. [ 41.282967][ T438] name failslab, interval 1, probability 0, space 0, times 0 [ 41.295754][ T438] CPU: 0 PID: 438 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 41.307892][ T438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.317921][ T438] Call Trace: [ 41.321190][ T438] dump_stack_lvl+0x1e2/0x24b [ 41.325851][ T438] ? panic+0x7d7/0x7d7 [ 41.329900][ T438] ? bfq_pos_tree_add_move+0x43e/0x43e [ 41.335354][ T438] ? memcpy+0x56/0x70 [ 41.339379][ T438] dump_stack+0x15/0x17 [ 41.343524][ T438] should_fail+0x3c0/0x510 [ 41.347914][ T438] ? device_add+0xbe/0xbd0 [ 41.352304][ T438] __should_failslab+0x9f/0xe0 [ 41.357043][ T438] should_failslab+0x9/0x20 [ 41.361520][ T438] kmem_cache_alloc_trace+0x3a/0x330 [ 41.366789][ T438] ? __kasan_check_write+0x14/0x20 [ 41.371889][ T438] device_add+0xbe/0xbd0 [ 41.376110][ T438] __device_add_disk+0x7c1/0x11b0 [ 41.381147][ T438] ? device_add_disk+0x40/0x40 [ 41.385976][ T438] ? sprintf+0xd6/0x120 [ 41.390135][ T438] ? vsprintf+0x40/0x40 [ 41.394354][ T438] ? device_initialize+0x1d9/0x3a0 [ 41.399441][ T438] device_add_disk+0x2a/0x40 [ 41.404006][ T438] loop_add+0x5c4/0x840 [ 41.408139][ T438] loop_control_ioctl+0x564/0x740 [ 41.413141][ T438] ? loop_remove+0xb0/0xb0 [ 41.417528][ T438] ? __fget_files+0x310/0x370 [ 41.422181][ T438] ? security_file_ioctl+0xb1/0xd0 [ 41.427278][ T438] ? loop_remove+0xb0/0xb0 [ 41.431698][ T438] __se_sys_ioctl+0x115/0x190 [ 41.436366][ T438] __x64_sys_ioctl+0x7b/0x90 [ 41.440939][ T438] do_syscall_64+0x34/0x70 [ 41.445337][ T438] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.451269][ T438] RIP: 0033:0x7f3c6e58f0e9 [ 41.455675][ T438] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 41.475264][ T438] RSP: 002b:00007f3c6e505168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 41.483772][ T438] RAX: ffffffffffffffda RBX: 00007f3c6e6a1f60 RCX: 00007f3c6e58f0e9 [ 41.491739][ T438] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 41.499725][ T438] RBP: 00007f3c6e5051d0 R08: 0000000000000000 R09: 0000000000000000 [ 41.507678][ T438] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.515802][ T438] R13: 00007ffce774604f R14: 00007f3c6e505300 R15: 0000000000022000 [ 41.531705][ T440] FAULT_INJECTION: forcing a failure. [ 41.531705][ T440] name failslab, interval 1, probability 0, space 0, times 0 [ 41.544483][ T440] CPU: 0 PID: 440 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 41.556738][ T440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.566774][ T440] Call Trace: [ 41.570092][ T440] dump_stack_lvl+0x1e2/0x24b [ 41.574744][ T440] ? panic+0x7d7/0x7d7 [ 41.578938][ T440] ? bfq_pos_tree_add_move+0x43e/0x43e [ 41.584399][ T440] ? memcpy+0x56/0x70 [ 41.588368][ T440] dump_stack+0x15/0x17 [ 41.592497][ T440] should_fail+0x3c0/0x510 [ 41.596884][ T440] ? device_add+0xbe/0xbd0 [ 41.601271][ T440] __should_failslab+0x9f/0xe0 [ 41.606006][ T440] should_failslab+0x9/0x20 [ 41.610485][ T440] kmem_cache_alloc_trace+0x3a/0x330 [ 41.615741][ T440] ? __kasan_check_write+0x14/0x20 [ 41.620820][ T440] device_add+0xbe/0xbd0 [ 41.625131][ T440] __device_add_disk+0x7c1/0x11b0 [ 41.630135][ T440] ? device_add_disk+0x40/0x40 [ 41.634873][ T440] ? sprintf+0xd6/0x120 [ 41.638998][ T440] ? vsprintf+0x40/0x40 [ 41.643229][ T440] ? device_initialize+0x1d9/0x3a0 [ 41.648401][ T440] device_add_disk+0x2a/0x40 [ 41.653066][ T440] loop_add+0x5c4/0x840 [ 41.657203][ T440] loop_control_ioctl+0x564/0x740 [ 41.662203][ T440] ? loop_remove+0xb0/0xb0 [ 41.666807][ T440] ? __fget_files+0x310/0x370 [ 41.671455][ T440] ? security_file_ioctl+0xb1/0xd0 [ 41.676711][ T440] ? loop_remove+0xb0/0xb0 [ 41.682335][ T440] __se_sys_ioctl+0x115/0x190 [ 41.687090][ T440] __x64_sys_ioctl+0x7b/0x90 [ 41.691655][ T440] do_syscall_64+0x34/0x70 [ 41.696047][ T440] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.701907][ T440] RIP: 0033:0x7f3c6e58f0e9 [ 41.706295][ T440] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 41.725870][ T440] RSP: 002b:00007f3c6e505168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 41.734521][ T440] RAX: ffffffffffffffda RBX: 00007f3c6e6a1f60 RCX: 00007f3c6e58f0e9 [ 41.742468][ T440] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 41.750428][ T440] RBP: 00007f3c6e5051d0 R08: 0000000000000000 R09: 0000000000000000 [ 41.758369][ T440] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.766401][ T440] R13: 00007ffce774604f R14: 00007f3c6e505300 R15: 0000000000022000 [ 41.776455][ T23] audit: type=1400 audit(1653584267.960:158): 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 [ 41.783543][ T442] FAULT_INJECTION: forcing a failure. [ 41.783543][ T442] name failslab, interval 1, probability 0, space 0, times 0 [ 41.799380][ T23] audit: type=1400 audit(1653584267.960:159): 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 [ 41.811914][ T442] CPU: 0 PID: 442 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 41.834459][ T23] audit: type=1400 audit(1653584267.960:160): 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 [ 41.846256][ T442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.846260][ T442] Call Trace: [ 41.846277][ T442] dump_stack_lvl+0x1e2/0x24b [ 41.846284][ T442] ? panic+0x7d7/0x7d7 [ 41.846293][ T442] ? bfq_pos_tree_add_move+0x43e/0x43e [ 41.846303][ T442] dump_stack+0x15/0x17 [ 41.846311][ T442] should_fail+0x3c0/0x510 [ 41.846322][ T442] __should_failslab+0x9f/0xe0 [ 41.846330][ T442] should_failslab+0x9/0x20 [ 41.846347][ T442] kmem_cache_alloc+0x3f/0x300 [ 41.918392][ T442] ? __kernfs_new_node+0xdb/0x6e0 [ 41.923473][ T442] __kernfs_new_node+0xdb/0x6e0 [ 41.928296][ T442] ? stack_trace_save+0x12d/0x1f0 [ 41.933382][ T442] ? kernfs_new_node+0x170/0x170 [ 41.938287][ T442] ? stack_trace_snprint+0x100/0x100 [ 41.943645][ T442] ? dput+0x2ce/0x320 [ 41.947695][ T442] ? device_add+0xbe/0xbd0 [ 41.952094][ T442] kernfs_create_dir_ns+0x9b/0x230 [ 41.957184][ T442] sysfs_create_dir_ns+0x181/0x390 [ 41.962282][ T442] ? sysfs_warn_dup+0xa0/0xa0 [ 41.966950][ T442] kobject_add_internal+0x766/0xda0 [ 41.972217][ T442] kobject_add+0x14c/0x210 [ 41.976609][ T442] ? _raw_spin_lock+0xa3/0x1b0 [ 41.981362][ T442] ? kobject_init+0x1e0/0x1e0 [ 41.986100][ T442] ? __kasan_check_write+0x14/0x20 [ 41.991285][ T442] ? mutex_unlock+0x1d/0x40 [ 41.995776][ T442] ? get_device_parent+0x2c5/0x430 [ 42.000944][ T442] device_add+0x3ca/0xbd0 [ 42.005252][ T442] __device_add_disk+0x7c1/0x11b0 [ 42.010332][ T442] ? device_add_disk+0x40/0x40 [ 42.015065][ T442] ? sprintf+0xd6/0x120 [ 42.019190][ T442] ? vsprintf+0x40/0x40 [ 42.023325][ T442] ? device_initialize+0x1d9/0x3a0 [ 42.028499][ T442] device_add_disk+0x2a/0x40 [ 42.033286][ T442] loop_add+0x5c4/0x840 [ 42.037423][ T442] loop_control_ioctl+0x564/0x740 [ 42.042438][ T442] ? loop_remove+0xb0/0xb0 [ 42.047013][ T442] ? __fget_files+0x310/0x370 [ 42.051682][ T442] ? security_file_ioctl+0xb1/0xd0 [ 42.056894][ T442] ? loop_remove+0xb0/0xb0 [ 42.061293][ T442] __se_sys_ioctl+0x115/0x190 [ 42.066144][ T442] __x64_sys_ioctl+0x7b/0x90 [ 42.070709][ T442] do_syscall_64+0x34/0x70 [ 42.075109][ T442] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.080969][ T442] RIP: 0033:0x7f3c6e58f0e9 [ 42.085355][ T442] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 42.105041][ T442] RSP: 002b:00007f3c6e505168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.113453][ T442] RAX: ffffffffffffffda RBX: 00007f3c6e6a1f60 RCX: 00007f3c6e58f0e9 [ 42.121410][ T442] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 42.129709][ T442] RBP: 00007f3c6e5051d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.137654][ T442] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.145598][ T442] R13: 00007ffce774604f R14: 00007f3c6e505300 R15: 0000000000022000 [ 42.154038][ T442] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 42.168225][ T444] FAULT_INJECTION: forcing a failure. [ 42.168225][ T444] name failslab, interval 1, probability 0, space 0, times 0 [ 42.181332][ T444] CPU: 1 PID: 444 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 42.193875][ T444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.203925][ T444] Call Trace: [ 42.207260][ T444] dump_stack_lvl+0x1e2/0x24b [ 42.211908][ T444] ? bfq_pos_tree_add_move+0x43e/0x43e [ 42.217352][ T444] dump_stack+0x15/0x17 [ 42.221478][ T444] should_fail+0x3c0/0x510 [ 42.225864][ T444] ? __kernfs_new_node+0x99/0x6e0 [ 42.230862][ T444] __should_failslab+0x9f/0xe0 [ 42.235597][ T444] should_failslab+0x9/0x20 [ 42.240151][ T444] __kmalloc_track_caller+0x5f/0x350 [ 42.245680][ T444] ? __kernel_text_address+0x9a/0x110 [ 42.251025][ T444] ? unwind_get_return_address+0x4c/0x90 [ 42.256625][ T444] kstrdup_const+0x55/0x90 [ 42.261017][ T444] __kernfs_new_node+0x99/0x6e0 [ 42.265835][ T444] ? stack_trace_save+0x12d/0x1f0 [ 42.270837][ T444] ? kernfs_new_node+0x170/0x170 [ 42.275832][ T444] ? stack_trace_snprint+0x100/0x100 [ 42.281092][ T444] ? dput+0x2ce/0x320 [ 42.285053][ T444] ? device_add+0xbe/0xbd0 [ 42.289447][ T444] kernfs_create_dir_ns+0x9b/0x230 [ 42.294534][ T444] sysfs_create_dir_ns+0x181/0x390 [ 42.299619][ T444] ? sysfs_warn_dup+0xa0/0xa0 [ 42.304278][ T444] kobject_add_internal+0x766/0xda0 [ 42.309456][ T444] kobject_add+0x14c/0x210 [ 42.313846][ T444] ? _raw_spin_lock+0xa3/0x1b0 [ 42.318757][ T444] ? kobject_init+0x1e0/0x1e0 [ 42.323407][ T444] ? __kasan_check_write+0x14/0x20 [ 42.328488][ T444] ? mutex_unlock+0x1d/0x40 [ 42.334445][ T444] ? get_device_parent+0x2c5/0x430 [ 42.339527][ T444] device_add+0x3ca/0xbd0 [ 42.343832][ T444] __device_add_disk+0x7c1/0x11b0 [ 42.348831][ T444] ? device_add_disk+0x40/0x40 [ 42.353574][ T444] ? sprintf+0xd6/0x120 [ 42.357881][ T444] ? vsprintf+0x40/0x40 [ 42.362023][ T444] ? device_initialize+0x1d9/0x3a0 [ 42.367108][ T444] device_add_disk+0x2a/0x40 [ 42.371669][ T444] loop_add+0x5c4/0x840 [ 42.375802][ T444] loop_control_ioctl+0x564/0x740 [ 42.380809][ T444] ? loop_remove+0xb0/0xb0 [ 42.385199][ T444] ? __fget_files+0x310/0x370 [ 42.389851][ T444] ? security_file_ioctl+0xb1/0xd0 [ 42.394932][ T444] ? loop_remove+0xb0/0xb0 [ 42.399320][ T444] __se_sys_ioctl+0x115/0x190 [ 42.403970][ T444] __x64_sys_ioctl+0x7b/0x90 [ 42.408540][ T444] do_syscall_64+0x34/0x70 [ 42.412951][ T444] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.418844][ T444] RIP: 0033:0x7f3c6e58f0e9 [ 42.423414][ T444] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 42.443010][ T444] RSP: 002b:00007f3c6e505168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.451414][ T444] RAX: ffffffffffffffda RBX: 00007f3c6e6a1f60 RCX: 00007f3c6e58f0e9 [ 42.459360][ T444] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 42.467398][ T444] RBP: 00007f3c6e5051d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.475430][ T444] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.483462][ T444] R13: 00007ffce774604f R14: 00007f3c6e505300 R15: 0000000000022000 [ 42.491929][ T444] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 42.506197][ T446] FAULT_INJECTION: forcing a failure. [ 42.506197][ T446] name failslab, interval 1, probability 0, space 0, times 0 [ 42.519147][ T446] CPU: 0 PID: 446 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 42.531312][ T446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.541342][ T446] Call Trace: [ 42.544611][ T446] dump_stack_lvl+0x1e2/0x24b [ 42.549262][ T446] ? bfq_pos_tree_add_move+0x43e/0x43e [ 42.554694][ T446] dump_stack+0x15/0x17 [ 42.558823][ T446] should_fail+0x3c0/0x510 [ 42.563213][ T446] ? __kernfs_new_node+0x99/0x6e0 [ 42.568212][ T446] __should_failslab+0x9f/0xe0 [ 42.572956][ T446] should_failslab+0x9/0x20 [ 42.577435][ T446] __kmalloc_track_caller+0x5f/0x350 [ 42.582697][ T446] ? __kernel_text_address+0x9a/0x110 [ 42.588134][ T446] ? unwind_get_return_address+0x4c/0x90 [ 42.593744][ T446] kstrdup_const+0x55/0x90 [ 42.598227][ T446] __kernfs_new_node+0x99/0x6e0 [ 42.603083][ T446] ? stack_trace_save+0x12d/0x1f0 [ 42.608093][ T446] ? kernfs_new_node+0x170/0x170 [ 42.613093][ T446] ? stack_trace_snprint+0x100/0x100 [ 42.618362][ T446] ? dput+0x2ce/0x320 [ 42.622334][ T446] ? device_add+0xbe/0xbd0 [ 42.626931][ T446] kernfs_create_dir_ns+0x9b/0x230 [ 42.633111][ T446] sysfs_create_dir_ns+0x181/0x390 [ 42.638301][ T446] ? sysfs_warn_dup+0xa0/0xa0 [ 42.643545][ T446] kobject_add_internal+0x766/0xda0 [ 42.648830][ T446] kobject_add+0x14c/0x210 [ 42.653227][ T446] ? _raw_spin_lock+0xa3/0x1b0 [ 42.657971][ T446] ? kobject_init+0x1e0/0x1e0 [ 42.662648][ T446] ? __kasan_check_write+0x14/0x20 [ 42.667875][ T446] ? mutex_unlock+0x1d/0x40 [ 42.672387][ T446] ? get_device_parent+0x2c5/0x430 [ 42.677551][ T446] device_add+0x3ca/0xbd0 [ 42.681870][ T446] __device_add_disk+0x7c1/0x11b0 [ 42.686907][ T446] ? device_add_disk+0x40/0x40 [ 42.691656][ T446] ? sprintf+0xd6/0x120 [ 42.695791][ T446] ? vsprintf+0x40/0x40 [ 42.699932][ T446] ? device_initialize+0x1d9/0x3a0 [ 42.705060][ T446] device_add_disk+0x2a/0x40 [ 42.709702][ T446] loop_add+0x5c4/0x840 [ 42.713848][ T446] loop_control_ioctl+0x564/0x740 [ 42.718862][ T446] ? loop_remove+0xb0/0xb0 [ 42.723271][ T446] ? __fget_files+0x310/0x370 [ 42.727935][ T446] ? security_file_ioctl+0xb1/0xd0 [ 42.733024][ T446] ? loop_remove+0xb0/0xb0 [ 42.737418][ T446] __se_sys_ioctl+0x115/0x190 [ 42.742070][ T446] __x64_sys_ioctl+0x7b/0x90 [ 42.746639][ T446] do_syscall_64+0x34/0x70 [ 42.751031][ T446] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.756923][ T446] RIP: 0033:0x7f3c6e58f0e9 [ 42.761313][ T446] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 42.780893][ T446] RSP: 002b:00007f3c6e505168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.789373][ T446] RAX: ffffffffffffffda RBX: 00007f3c6e6a1f60 RCX: 00007f3c6e58f0e9 [ 42.797334][ T446] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 42.805368][ T446] RBP: 00007f3c6e5051d0 R08: 0000000000000000 R09: 0000000000000000 [ 42.813317][ T446] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.821266][ T446] R13: 00007ffce774604f R14: 00007f3c6e505300 R15: 0000000000022000 [ 42.829334][ T446] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 42.844566][ T448] FAULT_INJECTION: forcing a failure. [ 42.844566][ T448] name failslab, interval 1, probability 0, space 0, times 0 [ 42.857463][ T448] CPU: 0 PID: 448 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 42.869600][ T448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.879638][ T448] Call Trace: [ 42.882909][ T448] dump_stack_lvl+0x1e2/0x24b [ 42.887560][ T448] ? bfq_pos_tree_add_move+0x43e/0x43e [ 42.892993][ T448] dump_stack+0x15/0x17 [ 42.897121][ T448] should_fail+0x3c0/0x510 [ 42.901511][ T448] ? __kernfs_new_node+0x99/0x6e0 [ 42.906510][ T448] __should_failslab+0x9f/0xe0 [ 42.911255][ T448] should_failslab+0x9/0x20 [ 42.915752][ T448] __kmalloc_track_caller+0x5f/0x350 [ 42.921100][ T448] ? __kernel_text_address+0x9a/0x110 [ 42.926451][ T448] ? unwind_get_return_address+0x4c/0x90 [ 42.932060][ T448] kstrdup_const+0x55/0x90 [ 42.936447][ T448] __kernfs_new_node+0x99/0x6e0 [ 42.941270][ T448] ? stack_trace_save+0x12d/0x1f0 [ 42.946287][ T448] ? kernfs_new_node+0x170/0x170 [ 42.951288][ T448] ? stack_trace_snprint+0x100/0x100 [ 42.956548][ T448] ? dput+0x2ce/0x320 [ 42.960507][ T448] ? device_add+0xbe/0xbd0 [ 42.964980][ T448] kernfs_create_dir_ns+0x9b/0x230 [ 42.970193][ T448] sysfs_create_dir_ns+0x181/0x390 [ 42.975486][ T448] ? sysfs_warn_dup+0xa0/0xa0 [ 42.980147][ T448] kobject_add_internal+0x766/0xda0 [ 42.985357][ T448] kobject_add+0x14c/0x210 [ 42.989758][ T448] ? _raw_spin_lock+0xa3/0x1b0 [ 42.994614][ T448] ? kobject_init+0x1e0/0x1e0 [ 42.999273][ T448] ? __kasan_check_write+0x14/0x20 [ 43.004464][ T448] ? mutex_unlock+0x1d/0x40 [ 43.008946][ T448] ? get_device_parent+0x2c5/0x430 [ 43.014031][ T448] device_add+0x3ca/0xbd0 [ 43.018451][ T448] __device_add_disk+0x7c1/0x11b0 [ 43.023454][ T448] ? device_add_disk+0x40/0x40 [ 43.028197][ T448] ? sprintf+0xd6/0x120 [ 43.032337][ T448] ? vsprintf+0x40/0x40 [ 43.036481][ T448] ? device_initialize+0x1d9/0x3a0 [ 43.041577][ T448] device_add_disk+0x2a/0x40 [ 43.046150][ T448] loop_add+0x5c4/0x840 [ 43.050307][ T448] loop_control_ioctl+0x564/0x740 [ 43.055308][ T448] ? loop_remove+0xb0/0xb0 [ 43.059721][ T448] ? __fget_files+0x310/0x370 [ 43.064373][ T448] ? security_file_ioctl+0xb1/0xd0 [ 43.069459][ T448] ? loop_remove+0xb0/0xb0 [ 43.073947][ T448] __se_sys_ioctl+0x115/0x190 [ 43.078597][ T448] __x64_sys_ioctl+0x7b/0x90 [ 43.083182][ T448] do_syscall_64+0x34/0x70 [ 43.087572][ T448] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.093523][ T448] RIP: 0033:0x7f3c6e58f0e9 [ 43.097912][ T448] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 43.117813][ T448] RSP: 002b:00007f3c6e505168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.126198][ T448] RAX: ffffffffffffffda RBX: 00007f3c6e6a1f60 RCX: 00007f3c6e58f0e9 [ 43.134326][ T448] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 43.142275][ T448] RBP: 00007f3c6e5051d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.150221][ T448] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.158174][ T448] R13: 00007ffce774604f R14: 00007f3c6e505300 R15: 0000000000022000 [ 43.166345][ T448] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 43.181142][ T450] FAULT_INJECTION: forcing a failure. [ 43.181142][ T450] name failslab, interval 1, probability 0, space 0, times 0 [ 43.194208][ T450] CPU: 1 PID: 450 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 43.206426][ T450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.216638][ T450] Call Trace: [ 43.220000][ T450] dump_stack_lvl+0x1e2/0x24b [ 43.224647][ T450] ? panic+0x7d7/0x7d7 [ 43.228687][ T450] ? bfq_pos_tree_add_move+0x43e/0x43e [ 43.234126][ T450] ? memcpy+0x56/0x70 [ 43.238970][ T450] dump_stack+0x15/0x17 [ 43.243103][ T450] should_fail+0x3c0/0x510 [ 43.247770][ T450] ? device_add+0xbe/0xbd0 [ 43.252172][ T450] __should_failslab+0x9f/0xe0 [ 43.257181][ T450] should_failslab+0x9/0x20 [ 43.261662][ T450] kmem_cache_alloc_trace+0x3a/0x330 [ 43.266968][ T450] ? __kasan_check_write+0x14/0x20 [ 43.272148][ T450] device_add+0xbe/0xbd0 [ 43.276366][ T450] __device_add_disk+0x7c1/0x11b0 [ 43.281487][ T450] ? device_add_disk+0x40/0x40 [ 43.286220][ T450] ? sprintf+0xd6/0x120 [ 43.290347][ T450] ? vsprintf+0x40/0x40 [ 43.294480][ T450] ? device_initialize+0x1d9/0x3a0 [ 43.299576][ T450] device_add_disk+0x2a/0x40 [ 43.304145][ T450] loop_add+0x5c4/0x840 [ 43.308279][ T450] loop_control_ioctl+0x564/0x740 [ 43.313451][ T450] ? loop_remove+0xb0/0xb0 [ 43.317858][ T450] ? __fget_files+0x310/0x370 [ 43.322519][ T450] ? security_file_ioctl+0xb1/0xd0 [ 43.327614][ T450] ? loop_remove+0xb0/0xb0 [ 43.332190][ T450] __se_sys_ioctl+0x115/0x190 [ 43.336928][ T450] __x64_sys_ioctl+0x7b/0x90 [ 43.341493][ T450] do_syscall_64+0x34/0x70 [ 43.345917][ T450] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.351868][ T450] RIP: 0033:0x7f3c6e58f0e9 [ 43.356348][ T450] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 43.375939][ T450] RSP: 002b:00007f3c6e505168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.384331][ T450] RAX: ffffffffffffffda RBX: 00007f3c6e6a1f60 RCX: 00007f3c6e58f0e9 [ 43.392372][ T450] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 43.400396][ T450] RBP: 00007f3c6e5051d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.408705][ T450] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.417005][ T450] R13: 00007ffce774604f R14: 00007f3c6e505300 R15: 0000000000022000 [ 43.432106][ T452] FAULT_INJECTION: forcing a failure. [ 43.432106][ T452] name failslab, interval 1, probability 0, space 0, times 0 [ 43.445127][ T452] CPU: 0 PID: 452 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 43.457589][ T452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.467896][ T452] Call Trace: [ 43.471347][ T452] dump_stack_lvl+0x1e2/0x24b [ 43.476002][ T452] ? panic+0x7d7/0x7d7 [ 43.480045][ T452] ? bfq_pos_tree_add_move+0x43e/0x43e [ 43.485480][ T452] dump_stack+0x15/0x17 [ 43.489614][ T452] should_fail+0x3c0/0x510 [ 43.494003][ T452] __should_failslab+0x9f/0xe0 [ 43.498917][ T452] should_failslab+0x9/0x20 [ 43.503392][ T452] kmem_cache_alloc+0x3f/0x300 [ 43.508135][ T452] ? __kernfs_new_node+0xdb/0x6e0 [ 43.513542][ T452] __kernfs_new_node+0xdb/0x6e0 [ 43.518366][ T452] ? mutex_unlock+0x1d/0x40 [ 43.522925][ T452] ? kernfs_new_node+0x170/0x170 [ 43.528006][ T452] ? kernfs_add_one+0x4c5/0x5e0 [ 43.532834][ T452] ? kernfs_create_dir_ns+0x1eb/0x230 [ 43.538182][ T452] kernfs_new_node+0x97/0x170 [ 43.542836][ T452] __kernfs_create_file+0x4a/0x270 [ 43.547921][ T452] sysfs_add_file_mode_ns+0x273/0x320 [ 43.553276][ T452] sysfs_create_file_ns+0x191/0x2a0 [ 43.558479][ T452] ? sysfs_add_file_mode_ns+0x320/0x320 [ 43.564101][ T452] ? __kasan_check_write+0x14/0x20 [ 43.569300][ T452] ? __up_read+0x16/0x100 [ 43.573609][ T452] device_create_file+0x110/0x1d0 [ 43.578608][ T452] device_add+0x496/0xbd0 [ 43.583027][ T452] __device_add_disk+0x7c1/0x11b0 [ 43.588027][ T452] ? device_add_disk+0x40/0x40 [ 43.592895][ T452] ? sprintf+0xd6/0x120 [ 43.597023][ T452] ? vsprintf+0x40/0x40 [ 43.601148][ T452] ? device_initialize+0x1d9/0x3a0 [ 43.606232][ T452] device_add_disk+0x2a/0x40 [ 43.611055][ T452] loop_add+0x5c4/0x840 [ 43.615189][ T452] loop_control_ioctl+0x564/0x740 [ 43.620185][ T452] ? loop_remove+0xb0/0xb0 [ 43.624661][ T452] ? __fget_files+0x310/0x370 [ 43.629320][ T452] ? security_file_ioctl+0xb1/0xd0 [ 43.634514][ T452] ? loop_remove+0xb0/0xb0 [ 43.638923][ T452] __se_sys_ioctl+0x115/0x190 [ 43.643755][ T452] __x64_sys_ioctl+0x7b/0x90 [ 43.648322][ T452] do_syscall_64+0x34/0x70 [ 43.652715][ T452] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.658587][ T452] RIP: 0033:0x7f3c6e58f0e9 [ 43.662976][ T452] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 43.682739][ T452] RSP: 002b:00007f3c6e505168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.691128][ T452] RAX: ffffffffffffffda RBX: 00007f3c6e6a1f60 RCX: 00007f3c6e58f0e9 [ 43.699163][ T452] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 43.707290][ T452] RBP: 00007f3c6e5051d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.716655][ T452] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.724610][ T452] R13: 00007ffce774604f R14: 00007f3c6e505300 R15: 0000000000022000 [ 43.739387][ T454] FAULT_INJECTION: forcing a failure. [ 43.739387][ T454] name failslab, interval 1, probability 0, space 0, times 0 [ 43.752120][ T454] CPU: 1 PID: 454 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 43.764237][ T454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.774271][ T454] Call Trace: [ 43.777543][ T454] dump_stack_lvl+0x1e2/0x24b [ 43.782191][ T454] ? panic+0x7d7/0x7d7 [ 43.786235][ T454] ? bfq_pos_tree_add_move+0x43e/0x43e [ 43.791675][ T454] dump_stack+0x15/0x17 [ 43.795808][ T454] should_fail+0x3c0/0x510 [ 43.800200][ T454] __should_failslab+0x9f/0xe0 [ 43.804936][ T454] should_failslab+0x9/0x20 [ 43.809413][ T454] kmem_cache_alloc+0x3f/0x300 [ 43.814151][ T454] ? __kernfs_new_node+0xdb/0x6e0 [ 43.819357][ T454] __kernfs_new_node+0xdb/0x6e0 [ 43.824185][ T454] ? stack_trace_save+0x12d/0x1f0 [ 43.829183][ T454] ? kernfs_new_node+0x170/0x170 [ 43.834100][ T454] ? stack_trace_snprint+0x100/0x100 [ 43.839358][ T454] ? dput+0x2ce/0x320 [ 43.843314][ T454] ? device_add+0xbe/0xbd0 [ 43.847705][ T454] kernfs_create_dir_ns+0x9b/0x230 [ 43.852809][ T454] sysfs_create_dir_ns+0x181/0x390 [ 43.857896][ T454] ? sysfs_warn_dup+0xa0/0xa0 [ 43.862553][ T454] kobject_add_internal+0x766/0xda0 [ 43.867730][ T454] kobject_add+0x14c/0x210 [ 43.872124][ T454] ? _raw_spin_lock+0xa3/0x1b0 [ 43.876946][ T454] ? kobject_init+0x1e0/0x1e0 [ 43.881611][ T454] ? __kasan_check_write+0x14/0x20 [ 43.886705][ T454] ? mutex_unlock+0x1d/0x40 [ 43.891197][ T454] ? get_device_parent+0x2c5/0x430 [ 43.896288][ T454] device_add+0x3ca/0xbd0 [ 43.900597][ T454] __device_add_disk+0x7c1/0x11b0 [ 43.905611][ T454] ? device_add_disk+0x40/0x40 [ 43.910354][ T454] ? sprintf+0xd6/0x120 [ 43.914482][ T454] ? vsprintf+0x40/0x40 [ 43.918629][ T454] ? device_initialize+0x1d9/0x3a0 [ 43.923741][ T454] device_add_disk+0x2a/0x40 [ 43.928364][ T454] loop_add+0x5c4/0x840 [ 43.932507][ T454] loop_control_ioctl+0x564/0x740 [ 43.937510][ T454] ? loop_remove+0xb0/0xb0 [ 43.941992][ T454] ? __fget_files+0x310/0x370 [ 43.946643][ T454] ? security_file_ioctl+0xb1/0xd0 [ 43.951728][ T454] ? loop_remove+0xb0/0xb0 [ 43.956120][ T454] __se_sys_ioctl+0x115/0x190 [ 43.960780][ T454] __x64_sys_ioctl+0x7b/0x90 [ 43.965354][ T454] do_syscall_64+0x34/0x70 [ 43.969743][ T454] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.975673][ T454] RIP: 0033:0x7f3c6e58f0e9 [ 43.980068][ T454] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 43.999654][ T454] RSP: 002b:00007f3c6e505168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.008058][ T454] RAX: ffffffffffffffda RBX: 00007f3c6e6a1f60 RCX: 00007f3c6e58f0e9 [ 44.016008][ T454] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 44.023960][ T454] RBP: 00007f3c6e5051d0 R08: 0000000000000000 R09: 0000000000000000 [ 44.031926][ T454] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.039879][ T454] R13: 00007ffce774604f R14: 00007f3c6e505300 R15: 0000000000022000 [ 44.048027][ T454] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 44.062915][ T456] FAULT_INJECTION: forcing a failure. [ 44.062915][ T456] name failslab, interval 1, probability 0, space 0, times 0 [ 44.075672][ T456] CPU: 1 PID: 456 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 44.087916][ T456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.098016][ T456] Call Trace: [ 44.101287][ T456] dump_stack_lvl+0x1e2/0x24b [ 44.105944][ T456] ? bfq_pos_tree_add_move+0x43e/0x43e [ 44.111384][ T456] dump_stack+0x15/0x17 [ 44.115519][ T456] should_fail+0x3c0/0x510 [ 44.119928][ T456] ? __kernfs_new_node+0x99/0x6e0 [ 44.124933][ T456] __should_failslab+0x9f/0xe0 [ 44.129769][ T456] should_failslab+0x9/0x20 [ 44.134247][ T456] __kmalloc_track_caller+0x5f/0x350 [ 44.139506][ T456] ? __kernel_text_address+0x9a/0x110 [ 44.144857][ T456] ? unwind_get_return_address+0x4c/0x90 [ 44.150470][ T456] kstrdup_const+0x55/0x90 [ 44.154857][ T456] __kernfs_new_node+0x99/0x6e0 [ 44.159700][ T456] ? stack_trace_save+0x12d/0x1f0 [ 44.164696][ T456] ? kernfs_new_node+0x170/0x170 [ 44.169608][ T456] ? stack_trace_snprint+0x100/0x100 [ 44.174865][ T456] ? dput+0x2ce/0x320 [ 44.178911][ T456] ? device_add+0xbe/0xbd0 [ 44.183385][ T456] kernfs_create_dir_ns+0x9b/0x230 [ 44.188469][ T456] sysfs_create_dir_ns+0x181/0x390 [ 44.193553][ T456] ? sysfs_warn_dup+0xa0/0xa0 [ 44.198239][ T456] kobject_add_internal+0x766/0xda0 [ 44.203432][ T456] kobject_add+0x14c/0x210 [ 44.207822][ T456] ? _raw_spin_lock+0xa3/0x1b0 [ 44.212558][ T456] ? kobject_init+0x1e0/0x1e0 [ 44.217207][ T456] ? __kasan_check_write+0x14/0x20 [ 44.222295][ T456] ? mutex_unlock+0x1d/0x40 [ 44.226775][ T456] ? get_device_parent+0x2c5/0x430 [ 44.231859][ T456] device_add+0x3ca/0xbd0 [ 44.236163][ T456] __device_add_disk+0x7c1/0x11b0 [ 44.241159][ T456] ? device_add_disk+0x40/0x40 [ 44.245894][ T456] ? sprintf+0xd6/0x120 [ 44.250026][ T456] ? vsprintf+0x40/0x40 [ 44.254169][ T456] ? device_initialize+0x1d9/0x3a0 [ 44.259269][ T456] device_add_disk+0x2a/0x40 [ 44.263836][ T456] loop_add+0x5c4/0x840 [ 44.267969][ T456] loop_control_ioctl+0x564/0x740 [ 44.272968][ T456] ? loop_remove+0xb0/0xb0 [ 44.277363][ T456] ? __fget_files+0x310/0x370 [ 44.282034][ T456] ? security_file_ioctl+0xb1/0xd0 [ 44.287120][ T456] ? loop_remove+0xb0/0xb0 [ 44.291512][ T456] __se_sys_ioctl+0x115/0x190 [ 44.296165][ T456] __x64_sys_ioctl+0x7b/0x90 [ 44.300731][ T456] do_syscall_64+0x34/0x70 [ 44.305125][ T456] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.310991][ T456] RIP: 0033:0x7f3c6e58f0e9 [ 44.315384][ T456] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 44.335061][ T456] RSP: 002b:00007f3c6e505168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.343477][ T456] RAX: ffffffffffffffda RBX: 00007f3c6e6a1f60 RCX: 00007f3c6e58f0e9 [ 44.351600][ T456] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 44.359548][ T456] RBP: 00007f3c6e5051d0 R08: 0000000000000000 R09: 0000000000000000 [ 44.367494][ T456] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.375442][ T456] R13: 00007ffce774604f R14: 00007f3c6e505300 R15: 0000000000022000 [ 44.383769][ T456] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 44.397290][ T458] FAULT_INJECTION: forcing a failure. [ 44.397290][ T458] name failslab, interval 1, probability 0, space 0, times 0 [ 44.410001][ T458] CPU: 1 PID: 458 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 44.422129][ T458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.432598][ T458] Call Trace: [ 44.435890][ T458] dump_stack_lvl+0x1e2/0x24b [ 44.440559][ T458] ? panic+0x7d7/0x7d7 [ 44.444613][ T458] ? bfq_pos_tree_add_move+0x43e/0x43e [ 44.450064][ T458] dump_stack+0x15/0x17 [ 44.454380][ T458] should_fail+0x3c0/0x510 [ 44.458773][ T458] __should_failslab+0x9f/0xe0 [ 44.463942][ T458] should_failslab+0x9/0x20 [ 44.468440][ T458] kmem_cache_alloc+0x3f/0x300 [ 44.473274][ T458] ? __kernfs_new_node+0xdb/0x6e0 [ 44.478295][ T458] __kernfs_new_node+0xdb/0x6e0 [ 44.483119][ T458] ? stack_trace_save+0x12d/0x1f0 [ 44.488113][ T458] ? kernfs_new_node+0x170/0x170 [ 44.493017][ T458] ? stack_trace_snprint+0x100/0x100 [ 44.498271][ T458] ? dput+0x2ce/0x320 [ 44.502223][ T458] ? device_add+0xbe/0xbd0 [ 44.506635][ T458] kernfs_create_dir_ns+0x9b/0x230 [ 44.511718][ T458] sysfs_create_dir_ns+0x181/0x390 [ 44.516806][ T458] ? sysfs_warn_dup+0xa0/0xa0 [ 44.521545][ T458] kobject_add_internal+0x766/0xda0 [ 44.526721][ T458] kobject_add+0x14c/0x210 [ 44.531268][ T458] ? _raw_spin_lock+0xa3/0x1b0 [ 44.536107][ T458] ? kobject_init+0x1e0/0x1e0 [ 44.540767][ T458] ? __kasan_check_write+0x14/0x20 [ 44.545849][ T458] ? mutex_unlock+0x1d/0x40 [ 44.550343][ T458] ? get_device_parent+0x2c5/0x430 [ 44.555539][ T458] device_add+0x3ca/0xbd0 [ 44.559849][ T458] __device_add_disk+0x7c1/0x11b0 [ 44.564845][ T458] ? device_add_disk+0x40/0x40 [ 44.569592][ T458] ? sprintf+0xd6/0x120 [ 44.573717][ T458] ? vsprintf+0x40/0x40 [ 44.577935][ T458] ? device_initialize+0x1d9/0x3a0 [ 44.583289][ T458] device_add_disk+0x2a/0x40 [ 44.587851][ T458] loop_add+0x5c4/0x840 [ 44.591976][ T458] loop_control_ioctl+0x564/0x740 [ 44.596970][ T458] ? loop_remove+0xb0/0xb0 [ 44.601545][ T458] ? __fget_files+0x310/0x370 [ 44.606279][ T458] ? security_file_ioctl+0xb1/0xd0 [ 44.611358][ T458] ? loop_remove+0xb0/0xb0 [ 44.615742][ T458] __se_sys_ioctl+0x115/0x190 [ 44.620388][ T458] __x64_sys_ioctl+0x7b/0x90 [ 44.625038][ T458] do_syscall_64+0x34/0x70 [ 44.629511][ T458] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.635375][ T458] RIP: 0033:0x7f3c6e58f0e9 [ 44.639770][ T458] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 44.661661][ T458] RSP: 002b:00007f3c6e505168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.672297][ T458] RAX: ffffffffffffffda RBX: 00007f3c6e6a1f60 RCX: 00007f3c6e58f0e9 [ 44.681386][ T458] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 44.689427][ T458] RBP: 00007f3c6e5051d0 R08: 0000000000000000 R09: 0000000000000000 [ 44.697545][ T458] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.705487][ T458] R13: 00007ffce774604f R14: 00007f3c6e505300 R15: 0000000000022000 [ 44.713642][ T458] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 44.730044][ T460] FAULT_INJECTION: forcing a failure. [ 44.730044][ T460] name failslab, interval 1, probability 0, space 0, times 0 [ 44.742759][ T460] CPU: 0 PID: 460 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 44.754884][ T460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.765094][ T460] Call Trace: [ 44.768362][ T460] dump_stack_lvl+0x1e2/0x24b [ 44.773106][ T460] ? panic+0x7d7/0x7d7 [ 44.777151][ T460] ? bfq_pos_tree_add_move+0x43e/0x43e [ 44.782582][ T460] dump_stack+0x15/0x17 [ 44.786720][ T460] should_fail+0x3c0/0x510 [ 44.791116][ T460] __should_failslab+0x9f/0xe0 [ 44.795858][ T460] should_failslab+0x9/0x20 [ 44.800332][ T460] kmem_cache_alloc+0x3f/0x300 [ 44.805067][ T460] ? __kernfs_new_node+0xdb/0x6e0 [ 44.810064][ T460] __kernfs_new_node+0xdb/0x6e0 [ 44.814973][ T460] ? stack_trace_save+0x12d/0x1f0 [ 44.819970][ T460] ? kernfs_new_node+0x170/0x170 [ 44.824965][ T460] ? stack_trace_snprint+0x100/0x100 [ 44.830310][ T460] ? dput+0x2ce/0x320 [ 44.834262][ T460] ? device_add+0xbe/0xbd0 [ 44.838656][ T460] kernfs_create_dir_ns+0x9b/0x230 [ 44.843745][ T460] sysfs_create_dir_ns+0x181/0x390 [ 44.848829][ T460] ? sysfs_warn_dup+0xa0/0xa0 [ 44.853478][ T460] kobject_add_internal+0x766/0xda0 [ 44.858647][ T460] kobject_add+0x14c/0x210 [ 44.863036][ T460] ? _raw_spin_lock+0xa3/0x1b0 [ 44.867772][ T460] ? kobject_init+0x1e0/0x1e0 [ 44.872517][ T460] ? __kasan_check_write+0x14/0x20 [ 44.877602][ T460] ? mutex_unlock+0x1d/0x40 [ 44.882078][ T460] ? get_device_parent+0x2c5/0x430 [ 44.887182][ T460] device_add+0x3ca/0xbd0 [ 44.891570][ T460] __device_add_disk+0x7c1/0x11b0 [ 44.896565][ T460] ? device_add_disk+0x40/0x40 [ 44.901300][ T460] ? sprintf+0xd6/0x120 [ 44.905428][ T460] ? vsprintf+0x40/0x40 [ 44.909556][ T460] ? device_initialize+0x1d9/0x3a0 [ 44.914739][ T460] device_add_disk+0x2a/0x40 [ 44.919302][ T460] loop_add+0x5c4/0x840 [ 44.923429][ T460] loop_control_ioctl+0x564/0x740 [ 44.928427][ T460] ? loop_remove+0xb0/0xb0 [ 44.932829][ T460] ? __fget_files+0x310/0x370 [ 44.937487][ T460] ? security_file_ioctl+0xb1/0xd0 [ 44.942580][ T460] ? loop_remove+0xb0/0xb0 [ 44.946984][ T460] __se_sys_ioctl+0x115/0x190 [ 44.951641][ T460] __x64_sys_ioctl+0x7b/0x90 [ 44.956206][ T460] do_syscall_64+0x34/0x70 [ 44.960596][ T460] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.966558][ T460] RIP: 0033:0x7f3c6e58f0e9 [ 44.970946][ T460] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 44.990539][ T460] RSP: 002b:00007f3c6e505168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.999138][ T460] RAX: ffffffffffffffda RBX: 00007f3c6e6a1f60 RCX: 00007f3c6e58f0e9 [ 45.007174][ T460] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 45.015202][ T460] RBP: 00007f3c6e5051d0 R08: 0000000000000000 R09: 0000000000000000 [ 45.023237][ T460] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.031180][ T460] R13: 00007ffce774604f R14: 00007f3c6e505300 R15: 0000000000022000 [ 45.039350][ T460] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 45.054987][ T462] FAULT_INJECTION: forcing a failure. [ 45.054987][ T462] name failslab, interval 1, probability 0, space 0, times 0 [ 45.067679][ T462] CPU: 0 PID: 462 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 45.079826][ T462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.089870][ T462] Call Trace: [ 45.093145][ T462] dump_stack_lvl+0x1e2/0x24b [ 45.097821][ T462] ? bfq_pos_tree_add_move+0x43e/0x43e [ 45.103260][ T462] dump_stack+0x15/0x17 [ 45.107399][ T462] should_fail+0x3c0/0x510 [ 45.111792][ T462] ? __kernfs_new_node+0x99/0x6e0 [ 45.116791][ T462] __should_failslab+0x9f/0xe0 [ 45.121530][ T462] should_failslab+0x9/0x20 [ 45.126009][ T462] __kmalloc_track_caller+0x5f/0x350 [ 45.131440][ T462] ? __kernel_text_address+0x9a/0x110 [ 45.136790][ T462] ? unwind_get_return_address+0x4c/0x90 [ 45.142543][ T462] kstrdup_const+0x55/0x90 [ 45.146951][ T462] __kernfs_new_node+0x99/0x6e0 [ 45.151784][ T462] ? stack_trace_save+0x12d/0x1f0 [ 45.156782][ T462] ? kernfs_new_node+0x170/0x170 [ 45.161692][ T462] ? stack_trace_snprint+0x100/0x100 [ 45.166951][ T462] ? dput+0x2ce/0x320 [ 45.170909][ T462] ? device_add+0xbe/0xbd0 [ 45.175298][ T462] kernfs_create_dir_ns+0x9b/0x230 [ 45.180384][ T462] sysfs_create_dir_ns+0x181/0x390 [ 45.185470][ T462] ? sysfs_warn_dup+0xa0/0xa0 [ 45.190123][ T462] kobject_add_internal+0x766/0xda0 [ 45.195301][ T462] kobject_add+0x14c/0x210 [ 45.199702][ T462] ? _raw_spin_lock+0xa3/0x1b0 [ 45.204441][ T462] ? kobject_init+0x1e0/0x1e0 [ 45.209193][ T462] ? __kasan_check_write+0x14/0x20 [ 45.214285][ T462] ? mutex_unlock+0x1d/0x40 [ 45.218801][ T462] ? get_device_parent+0x2c5/0x430 [ 45.223891][ T462] device_add+0x3ca/0xbd0 [ 45.228203][ T462] __device_add_disk+0x7c1/0x11b0 [ 45.233214][ T462] ? device_add_disk+0x40/0x40 [ 45.237954][ T462] ? sprintf+0xd6/0x120 [ 45.242088][ T462] ? vsprintf+0x40/0x40 [ 45.246221][ T462] ? device_initialize+0x1d9/0x3a0 [ 45.251307][ T462] device_add_disk+0x2a/0x40 [ 45.256046][ T462] loop_add+0x5c4/0x840 [ 45.260178][ T462] loop_control_ioctl+0x564/0x740 [ 45.265181][ T462] ? loop_remove+0xb0/0xb0 [ 45.269577][ T462] ? __fget_files+0x310/0x370 [ 45.274255][ T462] ? security_file_ioctl+0xb1/0xd0 [ 45.279344][ T462] ? loop_remove+0xb0/0xb0 [ 45.283734][ T462] __se_sys_ioctl+0x115/0x190 [ 45.288388][ T462] __x64_sys_ioctl+0x7b/0x90 [ 45.292968][ T462] do_syscall_64+0x34/0x70 [ 45.297357][ T462] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.303311][ T462] RIP: 0033:0x7f3c6e58f0e9 [ 45.307708][ 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 [ 45.327298][ T462] RSP: 002b:00007f3c6e505168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.335793][ T462] RAX: ffffffffffffffda RBX: 00007f3c6e6a1f60 RCX: 00007f3c6e58f0e9 [ 45.344266][ T462] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 45.352304][ T462] RBP: 00007f3c6e5051d0 R08: 0000000000000000 R09: 0000000000000000 [ 45.360250][ T462] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.368289][ T462] R13: 00007ffce774604f R14: 00007f3c6e505300 R15: 0000000000022000 [ 45.376418][ T462] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 45.390719][ T464] FAULT_INJECTION: forcing a failure. [ 45.390719][ T464] name failslab, interval 1, probability 0, space 0, times 0 [ 45.403430][ T464] CPU: 0 PID: 464 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 45.415553][ T464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.425587][ T464] Call Trace: [ 45.428860][ T464] dump_stack_lvl+0x1e2/0x24b [ 45.433508][ T464] ? panic+0x7d7/0x7d7 [ 45.437552][ T464] ? bfq_pos_tree_add_move+0x43e/0x43e [ 45.442989][ T464] dump_stack+0x15/0x17 [ 45.447119][ T464] should_fail+0x3c0/0x510 [ 45.451520][ T464] __should_failslab+0x9f/0xe0 [ 45.456273][ T464] should_failslab+0x9/0x20 [ 45.460765][ T464] kmem_cache_alloc+0x3f/0x300 [ 45.465515][ T464] ? __kernfs_new_node+0xdb/0x6e0 [ 45.470519][ T464] __kernfs_new_node+0xdb/0x6e0 [ 45.475344][ T464] ? stack_trace_save+0x12d/0x1f0 [ 45.480343][ T464] ? kernfs_new_node+0x170/0x170 [ 45.485257][ T464] ? stack_trace_snprint+0x100/0x100 [ 45.490514][ T464] ? dput+0x2ce/0x320 [ 45.494471][ T464] ? device_add+0xbe/0xbd0 [ 45.498950][ T464] kernfs_create_dir_ns+0x9b/0x230 [ 45.504132][ T464] sysfs_create_dir_ns+0x181/0x390 [ 45.509247][ T464] ? sysfs_warn_dup+0xa0/0xa0 [ 45.513901][ T464] kobject_add_internal+0x766/0xda0 [ 45.519075][ T464] kobject_add+0x14c/0x210 [ 45.523470][ T464] ? _raw_spin_lock+0xa3/0x1b0 [ 45.528213][ T464] ? kobject_init+0x1e0/0x1e0 [ 45.532866][ T464] ? __kasan_check_write+0x14/0x20 [ 45.537953][ T464] ? mutex_unlock+0x1d/0x40 [ 45.542450][ T464] ? get_device_parent+0x2c5/0x430 [ 45.547535][ T464] device_add+0x3ca/0xbd0 [ 45.551856][ T464] __device_add_disk+0x7c1/0x11b0 [ 45.556867][ T464] ? device_add_disk+0x40/0x40 [ 45.561620][ T464] ? sprintf+0xd6/0x120 [ 45.565763][ T464] ? vsprintf+0x40/0x40 [ 45.569892][ T464] ? device_initialize+0x1d9/0x3a0 [ 45.574978][ T464] device_add_disk+0x2a/0x40 [ 45.579543][ T464] loop_add+0x5c4/0x840 [ 45.583673][ T464] loop_control_ioctl+0x564/0x740 [ 45.588860][ T464] ? loop_remove+0xb0/0xb0 [ 45.593254][ T464] ? __fget_files+0x310/0x370 [ 45.597973][ T464] ? security_file_ioctl+0xb1/0xd0 [ 45.603056][ T464] ? loop_remove+0xb0/0xb0 [ 45.607447][ T464] __se_sys_ioctl+0x115/0x190 [ 45.612251][ T464] __x64_sys_ioctl+0x7b/0x90 [ 45.616934][ T464] do_syscall_64+0x34/0x70 [ 45.621333][ T464] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.627203][ T464] RIP: 0033:0x7f3c6e58f0e9 [ 45.631611][ 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 [ 45.651289][ T464] RSP: 002b:00007f3c6e505168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.659704][ T464] RAX: ffffffffffffffda RBX: 00007f3c6e6a1f60 RCX: 00007f3c6e58f0e9 [ 45.667655][ T464] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 45.675616][ T464] RBP: 00007f3c6e5051d0 R08: 0000000000000000 R09: 0000000000000000 2022/05/26 16:57:51 executed programs: 27 [ 45.683573][ T464] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.691528][ T464] R13: 00007ffce774604f R14: 00007f3c6e505300 R15: 0000000000022000 [ 45.699784][ T464] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 45.716092][ T466] FAULT_INJECTION: forcing a failure. [ 45.716092][ T466] name failslab, interval 1, probability 0, space 0, times 0 [ 45.728730][ T466] CPU: 0 PID: 466 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 45.740972][ T466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.751100][ T466] Call Trace: [ 45.754376][ T466] dump_stack_lvl+0x1e2/0x24b [ 45.759055][ T466] ? panic+0x7d7/0x7d7 [ 45.763102][ T466] ? bfq_pos_tree_add_move+0x43e/0x43e [ 45.768541][ T466] ? memcpy+0x56/0x70 [ 45.772496][ T466] dump_stack+0x15/0x17 [ 45.776696][ T466] should_fail+0x3c0/0x510 [ 45.781097][ T466] ? device_add+0xbe/0xbd0 [ 45.785491][ T466] __should_failslab+0x9f/0xe0 [ 45.790230][ T466] should_failslab+0x9/0x20 [ 45.794711][ T466] kmem_cache_alloc_trace+0x3a/0x330 [ 45.799977][ T466] ? __kasan_check_write+0x14/0x20 [ 45.805066][ T466] device_add+0xbe/0xbd0 [ 45.809304][ T466] __device_add_disk+0x7c1/0x11b0 [ 45.814342][ T466] ? device_add_disk+0x40/0x40 [ 45.819084][ T466] ? sprintf+0xd6/0x120 [ 45.823213][ T466] ? vsprintf+0x40/0x40 [ 45.827347][ T466] ? device_initialize+0x1d9/0x3a0 [ 45.832433][ T466] device_add_disk+0x2a/0x40 [ 45.837001][ T466] loop_add+0x5c4/0x840 [ 45.841133][ T466] loop_control_ioctl+0x564/0x740 [ 45.846148][ T466] ? loop_remove+0xb0/0xb0 [ 45.850541][ T466] ? __fget_files+0x310/0x370 [ 45.855204][ T466] ? security_file_ioctl+0xb1/0xd0 [ 45.860297][ T466] ? loop_remove+0xb0/0xb0 [ 45.864703][ T466] __se_sys_ioctl+0x115/0x190 [ 45.869377][ T466] __x64_sys_ioctl+0x7b/0x90 [ 45.873944][ T466] do_syscall_64+0x34/0x70 [ 45.878339][ T466] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.884203][ T466] RIP: 0033:0x7f3c6e58f0e9 [ 45.888600][ 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 [ 45.908337][ T466] RSP: 002b:00007f3c6e505168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.916870][ T466] RAX: ffffffffffffffda RBX: 00007f3c6e6a1f60 RCX: 00007f3c6e58f0e9 [ 45.924841][ T466] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 45.932888][ T466] RBP: 00007f3c6e5051d0 R08: 0000000000000000 R09: 0000000000000000 [ 45.940851][ T466] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.948838][ T466] R13: 00007ffce774604f R14: 00007f3c6e505300 R15: 0000000000022000 [ 45.963918][ T468] FAULT_INJECTION: forcing a failure. [ 45.963918][ T468] name failslab, interval 1, probability 0, space 0, times 0 [ 45.976626][ T468] CPU: 1 PID: 468 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 45.988987][ T468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.999022][ T468] Call Trace: [ 46.002296][ T468] dump_stack_lvl+0x1e2/0x24b [ 46.006967][ T468] ? bfq_pos_tree_add_move+0x43e/0x43e [ 46.012422][ T468] dump_stack+0x15/0x17 [ 46.016639][ T468] should_fail+0x3c0/0x510 [ 46.021031][ T468] ? __kernfs_new_node+0x99/0x6e0 [ 46.026048][ T468] __should_failslab+0x9f/0xe0 [ 46.030787][ T468] should_failslab+0x9/0x20 [ 46.035263][ T468] __kmalloc_track_caller+0x5f/0x350 [ 46.040546][ T468] ? __kernel_text_address+0x9a/0x110 [ 46.045902][ T468] ? unwind_get_return_address+0x4c/0x90 [ 46.051599][ T468] kstrdup_const+0x55/0x90 [ 46.055988][ T468] __kernfs_new_node+0x99/0x6e0 [ 46.060885][ T468] ? stack_trace_save+0x12d/0x1f0 [ 46.066102][ T468] ? kernfs_new_node+0x170/0x170 [ 46.071107][ T468] ? stack_trace_snprint+0x100/0x100 [ 46.076368][ T468] ? dput+0x2ce/0x320 [ 46.080329][ T468] ? device_add+0xbe/0xbd0 [ 46.084719][ T468] kernfs_create_dir_ns+0x9b/0x230 [ 46.089823][ T468] sysfs_create_dir_ns+0x181/0x390 [ 46.094994][ T468] ? sysfs_warn_dup+0xa0/0xa0 [ 46.099728][ T468] kobject_add_internal+0x766/0xda0 [ 46.104909][ T468] kobject_add+0x14c/0x210 [ 46.109303][ T468] ? _raw_spin_lock+0xa3/0x1b0 [ 46.114047][ T468] ? kobject_init+0x1e0/0x1e0 [ 46.118700][ T468] ? __kasan_check_write+0x14/0x20 [ 46.123788][ T468] ? mutex_unlock+0x1d/0x40 [ 46.128269][ T468] ? get_device_parent+0x2c5/0x430 [ 46.133353][ T468] device_add+0x3ca/0xbd0 [ 46.137656][ T468] __device_add_disk+0x7c1/0x11b0 [ 46.142660][ T468] ? device_add_disk+0x40/0x40 [ 46.147395][ T468] ? sprintf+0xd6/0x120 [ 46.151522][ T468] ? vsprintf+0x40/0x40 [ 46.155650][ T468] ? device_initialize+0x1d9/0x3a0 [ 46.160742][ T468] device_add_disk+0x2a/0x40 [ 46.165485][ T468] loop_add+0x5c4/0x840 [ 46.169621][ T468] loop_control_ioctl+0x564/0x740 [ 46.174621][ T468] ? loop_remove+0xb0/0xb0 [ 46.179012][ T468] ? __fget_files+0x310/0x370 [ 46.183679][ T468] ? security_file_ioctl+0xb1/0xd0 [ 46.188774][ T468] ? loop_remove+0xb0/0xb0 [ 46.193257][ T468] __se_sys_ioctl+0x115/0x190 [ 46.197913][ T468] __x64_sys_ioctl+0x7b/0x90 [ 46.202508][ T468] do_syscall_64+0x34/0x70 [ 46.207012][ T468] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.212886][ T468] RIP: 0033:0x7f3c6e58f0e9 [ 46.217277][ 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 [ 46.237368][ T468] RSP: 002b:00007f3c6e505168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.245789][ T468] RAX: ffffffffffffffda RBX: 00007f3c6e6a1f60 RCX: 00007f3c6e58f0e9 [ 46.253743][ T468] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 46.261727][ T468] RBP: 00007f3c6e5051d0 R08: 0000000000000000 R09: 0000000000000000 [ 46.269742][ T468] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 46.277708][ T468] R13: 00007ffce774604f R14: 00007f3c6e505300 R15: 0000000000022000 [ 46.286164][ T468] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 46.301215][ T470] FAULT_INJECTION: forcing a failure. [ 46.301215][ T470] name failslab, interval 1, probability 0, space 0, times 0 [ 46.313944][ T470] CPU: 1 PID: 470 Comm: syz-executor.0 Tainted: G B W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 46.326066][ T470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.336101][ T470] Call Trace: [ 46.339369][ T470] dump_stack_lvl+0x1e2/0x24b [ 46.344013][ T470] ? panic+0x7d7/0x7d7 [ 46.348225][ T470] ? bfq_pos_tree_add_move+0x43e/0x43e [ 46.353666][ T470] ? memcpy+0x56/0x70 [ 46.357640][ T470] dump_stack+0x15/0x17 [ 46.361767][ T470] should_fail+0x3c0/0x510 [ 46.366160][ T470] ? device_add+0xbe/0xbd0 [ 46.370545][ T470] __should_failslab+0x9f/0xe0 [ 46.375284][ T470] should_failslab+0x9/0x20 [ 46.379759][ T470] kmem_cache_alloc_trace+0x3a/0x330 [ 46.385016][ T470] ? __kasan_check_write+0x14/0x20 [ 46.390234][ T470] device_add+0xbe/0xbd0 [ 46.394447][ T470] __device_add_disk+0x7c1/0x11b0 [ 46.399443][ T470] ? device_add_disk+0x40/0x40 [ 46.404177][ T470] ? sprintf+0xd6/0x120 [ 46.408303][ T470] ? vsprintf+0x40/0x40 [ 46.412430][ T470] ? device_initialize+0x1d9/0x3a0 [ 46.418813][ T470] device_add_disk+0x2a/0x40 [ 46.423372][ T470] loop_add+0x5c4/0x840 [ 46.427497][ T470] loop_control_ioctl+0x564/0x740 [ 46.432491][ T470] ? loop_remove+0xb0/0xb0 [ 46.436894][ T470] ? __fget_files+0x310/0x370 [ 46.441641][ T470] ? security_file_ioctl+0xb1/0xd0 [ 46.447534][ T470] ? loop_remove+0xb0/0xb0 [ 46.452020][ T470] __se_sys_ioctl+0x115/0x190 [ 46.456673][ T470] __x64_sys_ioctl+0x7b/0x90 [ 46.461253][ T470] do_syscall_64+0x34/0x70 [ 46.465739][ T470] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.471869][ T470] RIP: 0033:0x7f3c6e58f0e9 [ 46.476520][ 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 [ 46.497247][ T470] RSP: 002b:00007f3c6e505168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.505642][ T470] RAX: ffffffffffffffda RBX: 00007f3c6e6a1f60 RCX: 00007f3c6e58f0e9 [ 46.513672][ T470] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 46.521755][ T470] RBP: 00007f3c6e5051d0 R08: 0000000000000000 R09: 0000000000000000 [ 46.529715][ T470] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002