[ 17.924103][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 17.932559][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 17.949046][ T374] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 18.194998][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! [ 18.227846][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! [ 18.255007][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! [ 18.355157][ T9] device bridge_slave_1 left promiscuous mode [ 18.361817][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 18.369530][ T9] device bridge_slave_0 left promiscuous mode [ 18.375816][ T9] bridge0: port 1(bridge_slave_0) entered disabled state Warning: Permanently added '10.128.0.142' (ECDSA) to the list of known hosts. [ 35.644932][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! 2022/05/24 23:39:59 parsed 1 programs [ 35.889419][ T23] kauditd_printk_skb: 65 callbacks suppressed [ 35.889429][ T23] audit: type=1400 audit(1653435599.100:148): avc: denied { mounton } for pid=402 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 [ 35.889750][ T402] cgroup: Unknown subsys name 'net' [ 35.924844][ T402] cgroup: Unknown subsys name 'devices' [ 35.931314][ T402] cgroup: Unknown subsys name 'hugetlb' 2022/05/24 23:39:59 executed programs: 0 [ 35.937069][ T402] cgroup: Unknown subsys name 'rlimit' [ 35.943647][ T23] audit: type=1400 audit(1653435599.150:149): avc: denied { mounton } for pid=402 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 [ 35.968722][ T23] audit: type=1400 audit(1653435599.150:150): avc: denied { mount } for pid=402 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 [ 35.992519][ T23] audit: type=1400 audit(1653435599.150:151): 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 [ 35.993956][ T405] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.017256][ T23] audit: type=1400 audit(1653435599.150:152): 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 [ 36.024510][ T405] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.054254][ T405] device bridge_slave_0 entered promiscuous mode [ 36.061099][ T405] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.068237][ T405] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.075698][ T405] device bridge_slave_1 entered promiscuous mode [ 36.100885][ T405] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.109735][ T405] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.117096][ T405] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.124375][ T405] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.140212][ T19] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.147535][ T19] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.155444][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 36.163134][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 36.172520][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 36.180996][ T74] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.188152][ T74] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.196741][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 36.205170][ T379] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.212347][ T379] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.225836][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 36.234009][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 36.243840][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 36.261238][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 36.270771][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 36.279335][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 36.287341][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 36.298444][ T23] audit: type=1400 audit(1653435599.510:153): 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 [ 36.324352][ T23] audit: type=1400 audit(1653435599.540:154): 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 [ 36.358814][ T414] udevd[414]: inotify_add_watch(7, /dev/loop0, 10) failed: No such file or directory [ 36.370013][ T413] FAULT_INJECTION: forcing a failure. [ 36.370013][ T413] name failslab, interval 1, probability 0, space 0, times 1 [ 36.383728][ T413] CPU: 1 PID: 413 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 36.395264][ T413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.405403][ T413] Call Trace: [ 36.408693][ T413] dump_stack_lvl+0x1e2/0x24b [ 36.413539][ T413] ? panic+0x7d7/0x7d7 [ 36.417698][ T413] ? bfq_pos_tree_add_move+0x43e/0x43e [ 36.423226][ T413] ? _raw_spin_lock_bh+0xa3/0x1b0 [ 36.428225][ T413] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 36.433396][ T413] dump_stack+0x15/0x17 [ 36.437536][ T413] should_fail+0x3c0/0x510 [ 36.442044][ T413] ? kobj_map+0x72/0x6f0 [ 36.446271][ T413] __should_failslab+0x9f/0xe0 [ 36.451017][ T413] should_failslab+0x9/0x20 [ 36.455495][ T413] __kmalloc+0x60/0x360 [ 36.459628][ T413] ? __device_add_disk+0x536/0x11d0 [ 36.464797][ T413] kobj_map+0x72/0x6f0 [ 36.468848][ T413] ? exact_match+0x20/0x20 [ 36.473240][ T413] ? bdev_check_media_change+0x4c0/0x4c0 [ 36.478866][ T413] __device_add_disk+0x663/0x11d0 [ 36.483884][ T413] ? device_add_disk+0x40/0x40 [ 36.488627][ T413] ? loop_add+0x370/0x760 [ 36.492944][ T413] ? vsprintf+0x40/0x40 [ 36.497089][ T413] device_add_disk+0x2a/0x40 [ 36.501673][ T413] loop_add+0x58f/0x760 [ 36.505817][ T413] loop_control_ioctl+0x564/0x740 [ 36.510832][ T413] ? loop_remove+0xb0/0xb0 [ 36.515232][ T413] ? __fget_files+0x310/0x370 [ 36.519884][ T413] ? security_file_ioctl+0xb1/0xd0 [ 36.524990][ T413] ? loop_remove+0xb0/0xb0 [ 36.529388][ T413] __se_sys_ioctl+0x115/0x190 [ 36.534042][ T413] __x64_sys_ioctl+0x7b/0x90 [ 36.538629][ T413] do_syscall_64+0x34/0x70 [ 36.543035][ T413] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 36.548913][ T413] RIP: 0033:0x7fa740b210e9 [ 36.553309][ T413] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 36.573416][ T413] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 36.581817][ T413] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 36.589771][ T413] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 36.597992][ T413] RBP: 00007fa740a971d0 R08: 0000000000000000 R09: 0000000000000000 [ 36.605951][ T413] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 36.613916][ T413] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 36.666276][ T416] FAULT_INJECTION: forcing a failure. [ 36.666276][ T416] name failslab, interval 1, probability 0, space 0, times 0 [ 36.679103][ T416] CPU: 1 PID: 416 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 36.689838][ T416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.700064][ T416] Call Trace: [ 36.703337][ T416] dump_stack_lvl+0x1e2/0x24b [ 36.708005][ T416] ? panic+0x7d7/0x7d7 [ 36.712069][ T416] ? bfq_pos_tree_add_move+0x43e/0x43e [ 36.717515][ T416] dump_stack+0x15/0x17 [ 36.721647][ T416] should_fail+0x3c0/0x510 [ 36.726044][ T416] __should_failslab+0x9f/0xe0 [ 36.730785][ T416] should_failslab+0x9/0x20 [ 36.735307][ T416] kmem_cache_alloc+0x3f/0x300 [ 36.740109][ T416] ? __kernfs_new_node+0xdb/0x6e0 [ 36.745106][ T416] __kernfs_new_node+0xdb/0x6e0 [ 36.749937][ T416] ? mutex_unlock+0x1d/0x40 [ 36.754411][ T416] ? kernfs_new_node+0x170/0x170 [ 36.759327][ T416] ? kernfs_add_one+0x4c5/0x5e0 [ 36.764157][ T416] ? kernfs_create_dir_ns+0x1eb/0x230 [ 36.769592][ T416] kernfs_new_node+0x97/0x170 [ 36.774246][ T416] __kernfs_create_file+0x4a/0x270 [ 36.779331][ T416] sysfs_add_file_mode_ns+0x273/0x320 [ 36.784677][ T416] sysfs_create_file_ns+0x191/0x2a0 [ 36.791409][ T416] ? sysfs_add_file_mode_ns+0x320/0x320 [ 36.796943][ T416] ? __kasan_check_write+0x14/0x20 [ 36.802065][ T416] ? __up_read+0x16/0x100 [ 36.806378][ T416] device_create_file+0x110/0x1d0 [ 36.811379][ T416] device_add+0x496/0xbd0 [ 36.815691][ T416] __device_add_disk+0x77d/0x11d0 [ 36.820691][ T416] ? device_add_disk+0x40/0x40 [ 36.825432][ T416] ? vsprintf+0x40/0x40 [ 36.829563][ T416] device_add_disk+0x2a/0x40 [ 36.834148][ T416] loop_add+0x58f/0x760 [ 36.838326][ T416] loop_control_ioctl+0x564/0x740 [ 36.843445][ T416] ? loop_remove+0xb0/0xb0 [ 36.847922][ T416] ? __fget_files+0x310/0x370 [ 36.852577][ T416] ? security_file_ioctl+0xb1/0xd0 [ 36.857675][ T416] ? loop_remove+0xb0/0xb0 [ 36.862064][ T416] __se_sys_ioctl+0x115/0x190 [ 36.866716][ T416] __x64_sys_ioctl+0x7b/0x90 [ 36.871285][ T416] do_syscall_64+0x34/0x70 [ 36.875960][ T416] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 36.881836][ T416] RIP: 0033:0x7fa740b210e9 [ 36.887722][ 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 [ 36.907838][ T416] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 36.916339][ T416] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 36.925078][ T416] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 36.933119][ T416] RBP: 00007fa740a971d0 R08: 0000000000000000 R09: 0000000000000000 [ 36.941066][ T416] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 36.949041][ T416] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 36.958096][ T416] kobject_add_internal failed for queue (error: -2 parent: loop0) [ 36.958173][ T23] audit: type=1400 audit(1653435600.170:155): 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 [ 36.966301][ T416] ------------[ cut here ]------------ [ 36.994014][ T416] WARNING: CPU: 1 PID: 416 at fs/sysfs/file.c:328 sysfs_create_files+0x215/0x4a0 [ 37.003564][ T416] Modules linked in: [ 37.007539][ T416] CPU: 1 PID: 416 Comm: syz-executor.0 Not tainted 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 37.007547][ T23] audit: type=1400 audit(1653435600.170:156): 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 [ 37.007562][ T23] audit: type=1400 audit(1653435600.170:157): 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 [ 37.018523][ T416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.073861][ T416] RIP: 0010:sysfs_create_files+0x215/0x4a0 [ 37.079783][ T416] Code: 24 04 48 b9 00 00 00 00 00 fc ff df 48 8b 54 24 08 4c 8b 74 24 20 eb 2b 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 e8 bb f2 9a ff <0f> 0b c7 44 24 04 ea ff ff ff 48 b9 00 00 00 00 00 fc ff df 48 8b [ 37.099434][ T416] RSP: 0018:ffffc90000eb7ae0 EFLAGS: 00010293 [ 37.105022][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! [ 37.105512][ T416] RAX: ffffffff81d1c011 RBX: ffff88810d9d6098 RCX: ffff88810c4cbb40 [ 37.122305][ T416] RDX: 0000000000000000 RSI: ffffffff86139660 RDI: ffff88810d9d6068 [ 37.130596][ T416] RBP: ffffc90000eb7bb0 R08: ffffffff826b9538 R09: ffffed10215138c8 [ 37.138736][ T416] R10: ffffed10215138c8 R11: 1ffff110215138c7 R12: 0000000000000000 [ 37.146777][ T416] R13: ffffffff854306a0 R14: ffff88810d9d6068 R15: ffffffff86139660 [ 37.154759][ T416] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 37.163899][ T416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.170574][ T416] CR2: 00007fa740a96ff8 CR3: 000000010d7b0000 CR4: 00000000003506a0 [ 37.178603][ T416] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 37.186822][ T416] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 37.195133][ T416] Call Trace: [ 37.198410][ T416] ? sysfs_create_file_ns+0x2a0/0x2a0 [ 37.203776][ T416] ? __kasan_check_write+0x14/0x20 [ 37.209143][ T416] ? kobject_get+0xd2/0x120 [ 37.213635][ T416] __device_add_disk+0x9cb/0x11d0 [ 37.218775][ T416] ? device_add_disk+0x40/0x40 [ 37.223589][ T416] ? vsprintf+0x40/0x40 [ 37.227824][ T416] device_add_disk+0x2a/0x40 [ 37.233655][ T416] loop_add+0x58f/0x760 [ 37.237978][ T416] loop_control_ioctl+0x564/0x740 [ 37.243614][ T416] ? loop_remove+0xb0/0xb0 [ 37.248181][ T416] ? __fget_files+0x310/0x370 [ 37.252899][ T416] ? security_file_ioctl+0xb1/0xd0 [ 37.258150][ T416] ? loop_remove+0xb0/0xb0 [ 37.262639][ T416] __se_sys_ioctl+0x115/0x190 [ 37.267370][ T416] __x64_sys_ioctl+0x7b/0x90 [ 37.272083][ T416] do_syscall_64+0x34/0x70 [ 37.276543][ T416] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 37.282562][ T416] RIP: 0033:0x7fa740b210e9 [ 37.287159][ 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 [ 37.307171][ T416] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 37.315617][ T416] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 37.323596][ T416] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 37.331712][ T416] RBP: 00007fa740a971d0 R08: 0000000000000000 R09: 0000000000000000 [ 37.339696][ T416] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 37.347688][ T416] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 37.355677][ T416] ---[ end trace 5dbc6bf4f09d010b ]--- [ 37.361120][ T416] ------------[ cut here ]------------ [ 37.366800][ T416] kernfs: can not remove 'events', no directory [ 37.373243][ T416] WARNING: CPU: 1 PID: 416 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 37.383109][ T416] Modules linked in: [ 37.387074][ T416] CPU: 0 PID: 416 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 37.399277][ T416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.409639][ T416] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 37.415826][ T416] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 37.435584][ T416] RSP: 0018:ffffc90000eb7ab8 EFLAGS: 00010246 [ 37.441661][ T416] RAX: ca9b925aabfa4100 RBX: ffffffff85430680 RCX: ffff88810c4cbb40 [ 37.449901][ T416] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 37.458190][ T416] RBP: ffffc90000eb7ad0 R08: ffffffff8153a998 R09: ffffed103ee64e83 [ 37.466290][ T416] R10: ffffed103ee64e83 R11: 1ffff1103ee64e82 R12: ffffffff86139660 [ 37.474400][ T416] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 37.482470][ T416] FS: 00007fa740a97700(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 37.491500][ T416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.498253][ T416] CR2: 00007fa740c34028 CR3: 000000010d7b0000 CR4: 00000000003506b0 [ 37.506256][ T416] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 37.514214][ T416] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 37.522394][ T416] Call Trace: [ 37.525713][ T416] sysfs_create_files+0x40a/0x4a0 [ 37.530725][ T416] ? sysfs_create_file_ns+0x2a0/0x2a0 [ 37.536285][ T416] ? __kasan_check_write+0x14/0x20 [ 37.541388][ T416] ? kobject_get+0xd2/0x120 [ 37.545906][ T416] __device_add_disk+0x9cb/0x11d0 [ 37.550933][ T416] ? device_add_disk+0x40/0x40 [ 37.555706][ T416] ? vsprintf+0x40/0x40 [ 37.559868][ T416] device_add_disk+0x2a/0x40 [ 37.564588][ T416] loop_add+0x58f/0x760 [ 37.568859][ T416] loop_control_ioctl+0x564/0x740 [ 37.573972][ T416] ? loop_remove+0xb0/0xb0 [ 37.578944][ T416] ? __fget_files+0x310/0x370 [ 37.583903][ T416] ? security_file_ioctl+0xb1/0xd0 [ 37.589120][ T416] ? loop_remove+0xb0/0xb0 [ 37.593533][ T416] __se_sys_ioctl+0x115/0x190 [ 37.598254][ T416] __x64_sys_ioctl+0x7b/0x90 [ 37.602850][ T416] do_syscall_64+0x34/0x70 [ 37.607332][ T416] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 37.613721][ T416] RIP: 0033:0x7fa740b210e9 [ 37.618294][ 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 [ 37.637925][ T416] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 37.646354][ T416] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 37.654426][ T416] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 37.662433][ T416] RBP: 00007fa740a971d0 R08: 0000000000000000 R09: 0000000000000000 [ 37.670543][ T416] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 37.678849][ T416] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 37.687741][ T416] ---[ end trace 5dbc6bf4f09d010c ]--- [ 37.693453][ T416] loop0: failed to create sysfs files for events [ 37.704967][ T418] ------------[ cut here ]------------ [ 37.710541][ T418] kernfs: can not remove 'events', no directory [ 37.717278][ T418] WARNING: CPU: 1 PID: 418 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 37.727003][ T418] Modules linked in: [ 37.730963][ T418] CPU: 1 PID: 418 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 37.743578][ T418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.753846][ T418] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 37.760151][ T418] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 37.780418][ T418] RSP: 0018:ffffc90000ed7bf8 EFLAGS: 00010246 [ 37.786598][ T418] RAX: e44330c795802500 RBX: ffffffff85430680 RCX: ffff8881067ee2c0 [ 37.794572][ T418] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 37.802593][ T418] RBP: ffffc90000ed7c10 R08: ffffffff8153a998 R09: ffffed103ee6a5d8 [ 37.810605][ T418] R10: ffffed103ee6a5d8 R11: 1ffff1103ee6a5d7 R12: 0000000000000000 [ 37.818600][ T418] R13: ffffffff86139660 R14: 0000000000000000 R15: 0000000000000000 [ 37.826596][ T418] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 37.835627][ T418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.842208][ T418] CR2: 00007fa740c34028 CR3: 00000001081b9000 CR4: 00000000003506a0 [ 37.850319][ T418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 37.858315][ T418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 37.867040][ T418] Call Trace: [ 37.870336][ T418] sysfs_remove_files+0xab/0x110 [ 37.875294][ T418] del_gendisk+0x278/0xe20 [ 37.879708][ T418] ? device_add_disk_no_queue_reg+0x30/0x30 [ 37.885622][ T418] ? __radix_tree_delete+0x2ba/0x380 [ 37.891005][ T418] ? radix_tree_delete_item+0x261/0x360 [ 37.896853][ T418] loop_remove+0x46/0xb0 [ 37.901100][ T418] loop_control_ioctl+0x67f/0x740 [ 37.906134][ T418] ? loop_remove+0xb0/0xb0 [ 37.910629][ T418] ? __fget_files+0x310/0x370 [ 37.915497][ T418] ? security_file_ioctl+0xb1/0xd0 [ 37.920613][ T418] ? loop_remove+0xb0/0xb0 [ 37.925064][ T418] __se_sys_ioctl+0x115/0x190 [ 37.929757][ T418] __x64_sys_ioctl+0x7b/0x90 [ 37.934330][ T418] do_syscall_64+0x34/0x70 [ 37.938756][ T418] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 37.944654][ T418] RIP: 0033:0x7fa740b210e9 [ 37.949187][ 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 [ 37.969005][ T418] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 37.977474][ T418] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 37.985677][ T418] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 37.993925][ T418] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 38.002092][ T418] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 38.010482][ T418] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 38.018643][ T418] ---[ end trace 5dbc6bf4f09d010d ]--- [ 38.024107][ T418] ------------[ cut here ]------------ [ 38.029628][ T418] kernfs: can not remove 'events_async', no directory [ 38.036542][ T418] WARNING: CPU: 1 PID: 418 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 38.046096][ T418] Modules linked in: [ 38.050094][ T418] CPU: 1 PID: 418 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 38.062287][ T418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.072738][ T418] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 38.078990][ T418] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 38.098959][ T418] RSP: 0018:ffffc90000ed7bf8 EFLAGS: 00010246 [ 38.105176][ T418] RAX: e44330c795802500 RBX: ffffffff85430760 RCX: ffff8881067ee2c0 [ 38.113261][ T418] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 38.122368][ T418] RBP: ffffc90000ed7c10 R08: ffffffff8153a998 R09: ffffed103ee6a5d8 [ 38.130449][ T418] R10: ffffed103ee6a5d8 R11: 1ffff1103ee6a5d7 R12: 0000000000000000 [ 38.139259][ T418] R13: ffffffff86139660 R14: 0000000000000000 R15: 0000000000000000 [ 38.147872][ T418] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 38.157189][ T418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.163991][ T418] CR2: 00007fa740c34028 CR3: 00000001081b9000 CR4: 00000000003506a0 [ 38.172242][ T418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 38.180346][ T418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 38.188371][ T418] Call Trace: [ 38.191670][ T418] sysfs_remove_files+0xab/0x110 [ 38.196704][ T418] del_gendisk+0x278/0xe20 [ 38.201171][ T418] ? device_add_disk_no_queue_reg+0x30/0x30 [ 38.207395][ T418] ? __radix_tree_delete+0x2ba/0x380 [ 38.212713][ T418] ? radix_tree_delete_item+0x261/0x360 [ 38.218584][ T418] loop_remove+0x46/0xb0 [ 38.222963][ T418] loop_control_ioctl+0x67f/0x740 [ 38.228129][ T418] ? loop_remove+0xb0/0xb0 [ 38.232852][ T418] ? __fget_files+0x310/0x370 [ 38.237581][ T418] ? security_file_ioctl+0xb1/0xd0 [ 38.242712][ T418] ? loop_remove+0xb0/0xb0 [ 38.247512][ T418] __se_sys_ioctl+0x115/0x190 [ 38.252304][ T418] __x64_sys_ioctl+0x7b/0x90 [ 38.257127][ T418] do_syscall_64+0x34/0x70 [ 38.261991][ T418] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 38.268127][ T418] RIP: 0033:0x7fa740b210e9 [ 38.272671][ 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 [ 38.293358][ T418] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 38.301994][ T418] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 38.309999][ T418] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 38.318596][ T418] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 38.326950][ T418] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 38.335080][ T418] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 38.343231][ T418] ---[ end trace 5dbc6bf4f09d010e ]--- [ 38.348729][ T418] ------------[ cut here ]------------ [ 38.354488][ T418] kernfs: can not remove 'events_poll_msecs', no directory [ 38.366312][ T418] WARNING: CPU: 1 PID: 418 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 38.375964][ T418] Modules linked in: [ 38.379963][ T418] CPU: 1 PID: 418 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 38.393162][ T418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.403687][ T418] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 38.410641][ T418] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 38.431145][ T418] RSP: 0018:ffffc90000ed7bf8 EFLAGS: 00010246 [ 38.437446][ T418] RAX: e44330c795802500 RBX: ffffffff854307c0 RCX: ffff8881067ee2c0 [ 38.445832][ T418] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 38.453965][ T418] RBP: ffffc90000ed7c10 R08: ffffffff8153a998 R09: ffffed103ee6a5d8 [ 38.462121][ T418] R10: ffffed103ee6a5d8 R11: 1ffff1103ee6a5d7 R12: 0000000000000000 [ 38.470395][ T418] R13: ffffffff86139660 R14: 0000000000000000 R15: 0000000000000000 [ 38.478650][ T418] FS: 00007fa740a97700(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 38.487857][ T418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.494559][ T418] CR2: 00007fa740a75ff8 CR3: 00000001081b9000 CR4: 00000000003506b0 [ 38.502605][ T418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 38.511288][ T418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 38.519315][ T418] Call Trace: [ 38.522734][ T418] sysfs_remove_files+0xab/0x110 [ 38.528131][ T418] del_gendisk+0x278/0xe20 [ 38.532592][ T418] ? device_add_disk_no_queue_reg+0x30/0x30 [ 38.538794][ T418] ? __radix_tree_delete+0x2ba/0x380 [ 38.544286][ T418] ? radix_tree_delete_item+0x261/0x360 [ 38.550032][ T418] loop_remove+0x46/0xb0 [ 38.554314][ T418] loop_control_ioctl+0x67f/0x740 [ 38.559656][ T418] ? loop_remove+0xb0/0xb0 [ 38.564110][ T418] ? __fget_files+0x310/0x370 [ 38.569059][ T418] ? security_file_ioctl+0xb1/0xd0 [ 38.574216][ T418] ? loop_remove+0xb0/0xb0 [ 38.578748][ T418] __se_sys_ioctl+0x115/0x190 [ 38.583570][ T418] __x64_sys_ioctl+0x7b/0x90 [ 38.588501][ T418] do_syscall_64+0x34/0x70 [ 38.593253][ T418] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 38.599771][ T418] RIP: 0033:0x7fa740b210e9 [ 38.604216][ 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 [ 38.624556][ T418] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 38.633083][ T418] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 38.641770][ T418] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 38.650495][ T418] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 38.659318][ T418] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 38.667726][ T418] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 38.676102][ T418] ---[ end trace 5dbc6bf4f09d010f ]--- [ 38.681648][ T418] ------------[ cut here ]------------ [ 38.687192][ T418] kernfs: can not remove 'bdi', no directory [ 38.693287][ T418] WARNING: CPU: 1 PID: 418 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 38.703136][ T418] Modules linked in: [ 38.707101][ T418] CPU: 0 PID: 418 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 38.719552][ T418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.729867][ T418] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 38.736175][ T418] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 38.757233][ T418] RSP: 0018:ffffc90000ed7c18 EFLAGS: 00010246 [ 38.764587][ T418] RAX: e44330c795802500 RBX: ffffffff85430060 RCX: ffff8881067ee2c0 [ 38.772805][ T418] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 38.781913][ T418] RBP: ffffc90000ed7c30 R08: ffffffff8153a998 R09: ffffed103ee6a5d8 [ 38.790592][ T418] R10: ffffed103ee6a5d8 R11: 1ffff1103ee6a5d7 R12: 0000000000000240 [ 38.799097][ T418] R13: ffff88810d9d6030 R14: 0000000000000000 R15: 0000000000000000 [ 38.807276][ T418] FS: 00007fa740a97700(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 38.816407][ T418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.823218][ T418] CR2: 00007fa740a75ff8 CR3: 00000001081b9000 CR4: 00000000003506b0 [ 38.831913][ T418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 38.840242][ T418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 38.857456][ T418] Call Trace: [ 38.861093][ T418] sysfs_remove_link+0x50/0x60 [ 38.866115][ T418] del_gendisk+0x7cd/0xe20 [ 38.870779][ T418] ? device_add_disk_no_queue_reg+0x30/0x30 [ 38.876922][ T418] ? __radix_tree_delete+0x2ba/0x380 [ 38.882545][ T418] ? radix_tree_delete_item+0x261/0x360 [ 38.889192][ T418] loop_remove+0x46/0xb0 [ 38.893521][ T418] loop_control_ioctl+0x67f/0x740 [ 38.899671][ T418] ? loop_remove+0xb0/0xb0 [ 38.904538][ T418] ? __fget_files+0x310/0x370 [ 38.910538][ T418] ? security_file_ioctl+0xb1/0xd0 [ 38.916055][ T418] ? loop_remove+0xb0/0xb0 [ 38.920865][ T418] __se_sys_ioctl+0x115/0x190 [ 38.925614][ T418] __x64_sys_ioctl+0x7b/0x90 [ 38.930286][ T418] do_syscall_64+0x34/0x70 [ 38.934733][ T418] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 38.940763][ T418] RIP: 0033:0x7fa740b210e9 [ 38.945642][ 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 [ 38.965851][ T418] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 38.974638][ T418] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 38.983052][ T418] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 38.991638][ T418] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 39.000026][ T418] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 39.008289][ T418] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 39.020279][ T418] ---[ end trace 5dbc6bf4f09d0110 ]--- [ 39.026162][ T418] ------------[ cut here ]------------ [ 39.032156][ T418] kernfs: can not remove 'dev', no directory [ 39.038562][ T418] WARNING: CPU: 1 PID: 418 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 39.048504][ T418] Modules linked in: [ 39.052406][ T418] CPU: 1 PID: 418 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 39.065061][ T418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.075607][ T418] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 39.081927][ T418] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 39.104306][ T418] RSP: 0018:ffffc90000ed7b08 EFLAGS: 00010246 [ 39.110414][ T418] RAX: e44330c795802500 RBX: ffffffff85519560 RCX: ffff8881067ee2c0 [ 39.118618][ T418] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 39.126762][ T418] RBP: ffffc90000ed7b20 R08: ffffffff8153a998 R09: ffffed103ee6a5d8 [ 39.134814][ T418] R10: ffffed103ee6a5d8 R11: 1ffff1103ee6a5d7 R12: dffffc0000000000 [ 39.143110][ T418] R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000 [ 39.151112][ T418] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 39.160255][ T418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.166960][ T418] CR2: 00007fa740c34028 CR3: 00000001081b9000 CR4: 00000000003506a0 [ 39.175052][ T418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 39.183030][ T418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 39.191032][ T418] Call Trace: [ 39.194321][ T418] sysfs_remove_file_ns+0x64/0x70 [ 39.199357][ T418] device_del+0x448/0xf90 [ 39.203691][ T418] ? kill_device+0xd0/0xd0 [ 39.208259][ T418] del_gendisk+0xbf2/0xe20 [ 39.212680][ T418] ? device_add_disk_no_queue_reg+0x30/0x30 [ 39.218767][ T418] ? __radix_tree_delete+0x2ba/0x380 [ 39.224202][ T418] ? radix_tree_delete_item+0x261/0x360 [ 39.229775][ T418] loop_remove+0x46/0xb0 [ 39.234010][ T418] loop_control_ioctl+0x67f/0x740 [ 39.239092][ T418] ? loop_remove+0xb0/0xb0 [ 39.243521][ T418] ? __fget_files+0x310/0x370 [ 39.248210][ T418] ? security_file_ioctl+0xb1/0xd0 [ 39.253325][ T418] ? loop_remove+0xb0/0xb0 [ 39.257758][ T418] __se_sys_ioctl+0x115/0x190 [ 39.262431][ T418] __x64_sys_ioctl+0x7b/0x90 [ 39.267305][ T418] do_syscall_64+0x34/0x70 [ 39.271721][ T418] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 39.277623][ T418] RIP: 0033:0x7fa740b210e9 [ 39.282060][ 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 [ 39.302547][ T418] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 39.311164][ T418] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 39.319193][ T418] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 39.327324][ T418] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 39.335444][ T418] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 39.343420][ T418] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 39.351741][ T418] ---[ end trace 5dbc6bf4f09d0111 ]--- [ 39.357210][ T418] ------------[ cut here ]------------ [ 39.362894][ T418] kernfs: can not remove 'waiting_for_supplier', no directory [ 39.370532][ T418] WARNING: CPU: 1 PID: 418 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 39.380078][ T418] Modules linked in: [ 39.384164][ T418] CPU: 1 PID: 418 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 39.396334][ T418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.406422][ T418] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 39.412563][ T418] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 39.432306][ T418] RSP: 0018:ffffc90000ed7ad8 EFLAGS: 00010246 [ 39.438415][ T418] RAX: e44330c795802500 RBX: ffffffff85519b60 RCX: ffff8881067ee2c0 [ 39.446533][ T418] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 39.454492][ T418] RBP: ffffc90000ed7af0 R08: ffffffff8153a998 R09: fffff520001dae81 [ 39.462518][ T418] R10: fffff520001dae81 R11: 1ffff920001dae80 R12: dffffc0000000000 [ 39.470528][ T418] R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000 [ 39.478606][ T418] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 39.487552][ T418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.494130][ T418] CR2: 00007fa740c34028 CR3: 00000001081b9000 CR4: 00000000003506a0 [ 39.502294][ T418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 39.510577][ T418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 39.518683][ T418] Call Trace: [ 39.521973][ T418] sysfs_remove_file_ns+0x64/0x70 [ 39.527010][ T418] device_remove_attrs+0x74/0x130 [ 39.532062][ T418] device_del+0x6cb/0xf90 [ 39.536440][ T418] ? kill_device+0xd0/0xd0 [ 39.540947][ T418] del_gendisk+0xbf2/0xe20 [ 39.545406][ T418] ? device_add_disk_no_queue_reg+0x30/0x30 [ 39.551400][ T418] ? __radix_tree_delete+0x2ba/0x380 [ 39.556731][ T418] ? radix_tree_delete_item+0x261/0x360 [ 39.562286][ T418] loop_remove+0x46/0xb0 [ 39.566934][ T418] loop_control_ioctl+0x67f/0x740 [ 39.572051][ T418] ? loop_remove+0xb0/0xb0 [ 39.576519][ T418] ? __fget_files+0x310/0x370 [ 39.581477][ T418] ? security_file_ioctl+0xb1/0xd0 [ 39.586721][ T418] ? loop_remove+0xb0/0xb0 [ 39.591195][ T418] __se_sys_ioctl+0x115/0x190 [ 39.595895][ T418] __x64_sys_ioctl+0x7b/0x90 [ 39.600492][ T418] do_syscall_64+0x34/0x70 [ 39.604920][ T418] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 39.610821][ T418] RIP: 0033:0x7fa740b210e9 [ 39.615389][ 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 [ 39.635266][ T418] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 39.643842][ T418] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 39.651940][ T418] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 39.659991][ T418] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 39.668086][ T418] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 39.676295][ T418] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 39.684270][ T418] ---[ end trace 5dbc6bf4f09d0112 ]--- [ 39.689752][ T418] ------------[ cut here ]------------ [ 39.695215][ T418] kernfs: can not remove 'online', no directory [ 39.701475][ T418] WARNING: CPU: 1 PID: 418 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 39.711208][ T418] Modules linked in: [ 39.715119][ T418] CPU: 1 PID: 418 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 39.727383][ T418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.737669][ T418] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 39.743900][ T418] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 39.764091][ T418] RSP: 0018:ffffc90000ed7ad8 EFLAGS: 00010246 [ 39.770201][ T418] RAX: e44330c795802500 RBX: ffffffff85519ec0 RCX: ffff8881067ee2c0 [ 39.778433][ T418] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 39.786708][ T418] RBP: ffffc90000ed7af0 R08: ffffffff8153a998 R09: ffffed103ee64e83 [ 39.794772][ T418] R10: ffffed103ee64e83 R11: 1ffff1103ee64e82 R12: dffffc0000000000 [ 39.802776][ T418] R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000 [ 39.811045][ T418] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 39.820164][ T418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.826771][ T418] CR2: 00007fa740c34028 CR3: 00000001081b9000 CR4: 00000000003506a0 [ 39.834727][ T418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 39.842737][ T418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 39.850767][ T418] Call Trace: [ 39.854196][ T418] sysfs_remove_file_ns+0x64/0x70 [ 39.859255][ T418] device_remove_attrs+0x85/0x130 [ 39.864289][ T418] device_del+0x6cb/0xf90 [ 39.868952][ T418] ? kill_device+0xd0/0xd0 [ 39.873387][ T418] del_gendisk+0xbf2/0xe20 [ 39.877943][ T418] ? device_add_disk_no_queue_reg+0x30/0x30 [ 39.883842][ T418] ? __radix_tree_delete+0x2ba/0x380 [ 39.889174][ T418] ? radix_tree_delete_item+0x261/0x360 [ 39.894834][ T418] loop_remove+0x46/0xb0 [ 39.899227][ T418] loop_control_ioctl+0x67f/0x740 [ 39.904263][ T418] ? loop_remove+0xb0/0xb0 [ 39.908920][ T418] ? __fget_files+0x310/0x370 [ 39.913602][ T418] ? security_file_ioctl+0xb1/0xd0 [ 39.918823][ T418] ? loop_remove+0xb0/0xb0 [ 39.923255][ T418] __se_sys_ioctl+0x115/0x190 [ 39.928024][ T418] __x64_sys_ioctl+0x7b/0x90 [ 39.932726][ T418] do_syscall_64+0x34/0x70 [ 39.937275][ T418] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 39.943257][ T418] RIP: 0033:0x7fa740b210e9 [ 39.947689][ 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 [ 39.967306][ T418] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 39.976130][ T418] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 39.984202][ T418] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 39.992382][ T418] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 40.000387][ T418] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 40.008497][ T418] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 40.016539][ T418] ---[ end trace 5dbc6bf4f09d0113 ]--- [ 40.022109][ T418] ------------[ cut here ]------------ [ 40.027587][ T418] kernfs: can not remove 'range', no directory [ 40.034472][ T418] WARNING: CPU: 1 PID: 418 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 40.044502][ T418] Modules linked in: [ 40.048674][ T418] CPU: 1 PID: 418 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 40.061012][ T418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.071112][ T418] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 40.077359][ T418] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 40.097028][ T418] RSP: 0018:ffffc90000ed7a88 EFLAGS: 00010246 [ 40.103133][ T418] RAX: e44330c795802500 RBX: ffffffff85430980 RCX: ffff8881067ee2c0 [ 40.111506][ T418] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 40.119522][ T418] RBP: ffffc90000ed7aa0 R08: ffffffff8153a998 R09: ffffed103ee6a5d8 [ 40.127670][ T418] R10: ffffed103ee6a5d8 R11: 1ffff1103ee6a5d7 R12: ffffffff86139848 [ 40.135775][ T418] R13: ffffffff86139848 R14: 0000000000000000 R15: 0000000000000000 [ 40.143820][ T418] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 40.152795][ T418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.159425][ T418] CR2: 00007fa740c34028 CR3: 00000001081b9000 CR4: 00000000003506a0 [ 40.167553][ T418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 40.175827][ T418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 40.183785][ T418] Call Trace: [ 40.187289][ T418] sysfs_remove_group+0x113/0x2b0 [ 40.192564][ T418] sysfs_remove_groups+0x5b/0xb0 [ 40.197642][ T418] device_remove_attrs+0xe4/0x130 [ 40.202679][ T418] device_del+0x6cb/0xf90 [ 40.207147][ T418] ? kill_device+0xd0/0xd0 [ 40.211651][ T418] del_gendisk+0xbf2/0xe20 [ 40.216105][ T418] ? device_add_disk_no_queue_reg+0x30/0x30 [ 40.222266][ T418] ? __radix_tree_delete+0x2ba/0x380 [ 40.227727][ T418] ? radix_tree_delete_item+0x261/0x360 [ 40.233291][ T418] loop_remove+0x46/0xb0 [ 40.237660][ T418] loop_control_ioctl+0x67f/0x740 [ 40.242696][ T418] ? loop_remove+0xb0/0xb0 [ 40.247125][ T418] ? __fget_files+0x310/0x370 [ 40.251801][ T418] ? security_file_ioctl+0xb1/0xd0 [ 40.257310][ T418] ? loop_remove+0xb0/0xb0 [ 40.261993][ T418] __se_sys_ioctl+0x115/0x190 [ 40.266778][ T418] __x64_sys_ioctl+0x7b/0x90 [ 40.271375][ T418] do_syscall_64+0x34/0x70 [ 40.275906][ T418] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.282172][ T418] RIP: 0033:0x7fa740b210e9 [ 40.286610][ 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 [ 40.306683][ T418] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 40.315815][ T418] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 40.323890][ T418] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 40.332372][ T418] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 40.340422][ T418] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 40.348698][ T418] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 40.357638][ T418] ---[ end trace 5dbc6bf4f09d0114 ]--- [ 40.363090][ T418] ------------[ cut here ]------------ [ 40.368624][ T418] kernfs: can not remove 'ext_range', no directory [ 40.375288][ T418] WARNING: CPU: 1 PID: 418 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 40.384938][ T418] Modules linked in: [ 40.388942][ T418] CPU: 1 PID: 418 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 40.401647][ T418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.412163][ T418] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 40.418604][ T418] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 40.438415][ T418] RSP: 0018:ffffc90000ed7a88 EFLAGS: 00010246 [ 40.444474][ T418] RAX: e44330c795802500 RBX: ffffffff854309a0 RCX: ffff8881067ee2c0 [ 40.452521][ T418] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 40.460530][ T418] RBP: ffffc90000ed7aa0 R08: ffffffff8153a998 R09: ffffed103ee6a5d8 [ 40.468662][ T418] R10: ffffed103ee6a5d8 R11: 1ffff1103ee6a5d7 R12: ffffffff86139850 [ 40.476692][ T418] R13: ffffffff86139850 R14: 0000000000000000 R15: 0000000000000000 [ 40.485331][ T418] FS: 00007fa740a97700(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 40.494599][ T418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.501557][ T418] CR2: 00007fa740a75ff8 CR3: 00000001081b9000 CR4: 00000000003506b0 [ 40.509808][ T418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 40.519577][ T418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 40.528003][ T418] Call Trace: [ 40.531295][ T418] sysfs_remove_group+0x113/0x2b0 [ 40.536348][ T418] sysfs_remove_groups+0x5b/0xb0 [ 40.541280][ T418] device_remove_attrs+0xe4/0x130 [ 40.546325][ T418] device_del+0x6cb/0xf90 [ 40.550647][ T418] ? kill_device+0xd0/0xd0 [ 40.555073][ T418] del_gendisk+0xbf2/0xe20 [ 40.559480][ T418] ? device_add_disk_no_queue_reg+0x30/0x30 [ 40.565829][ T418] ? __radix_tree_delete+0x2ba/0x380 [ 40.571291][ T418] ? radix_tree_delete_item+0x261/0x360 [ 40.577851][ T418] loop_remove+0x46/0xb0 [ 40.582395][ T418] loop_control_ioctl+0x67f/0x740 [ 40.587628][ T418] ? loop_remove+0xb0/0xb0 [ 40.592042][ T418] ? __fget_files+0x310/0x370 [ 40.596726][ T418] ? security_file_ioctl+0xb1/0xd0 [ 40.601932][ T418] ? loop_remove+0xb0/0xb0 [ 40.606483][ T418] __se_sys_ioctl+0x115/0x190 [ 40.611427][ T418] __x64_sys_ioctl+0x7b/0x90 [ 40.616180][ T418] do_syscall_64+0x34/0x70 [ 40.620699][ T418] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.626627][ T418] RIP: 0033:0x7fa740b210e9 [ 40.631129][ 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 [ 40.650811][ T418] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 40.659246][ T418] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 40.667231][ T418] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 40.675539][ T418] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 40.683583][ T418] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 40.691701][ T418] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 40.699917][ T418] ---[ end trace 5dbc6bf4f09d0115 ]--- [ 40.705415][ T418] ------------[ cut here ]------------ [ 40.710958][ T418] kernfs: can not remove 'removable', no directory [ 40.718499][ T418] WARNING: CPU: 1 PID: 418 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 40.728068][ T418] Modules linked in: [ 40.731968][ T418] CPU: 1 PID: 418 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 40.744144][ T418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.754496][ T418] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 40.760775][ T418] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 40.780675][ T418] RSP: 0018:ffffc90000ed7a88 EFLAGS: 00010246 [ 40.786822][ T418] RAX: e44330c795802500 RBX: ffffffff854309c0 RCX: ffff8881067ee2c0 [ 40.794911][ T418] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 40.802952][ T418] RBP: ffffc90000ed7aa0 R08: ffffffff8153a998 R09: fffff520001dae75 [ 40.810936][ T418] R10: fffff520001dae75 R11: 1ffff920001dae74 R12: ffffffff86139858 [ 40.818939][ T418] R13: ffffffff86139858 R14: 0000000000000000 R15: 0000000000000000 [ 40.826969][ T418] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 40.836074][ T418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.842644][ T418] CR2: 00007fa740c34028 CR3: 00000001081b9000 CR4: 00000000003506a0 [ 40.851939][ T418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 40.860101][ T418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 40.868267][ T418] Call Trace: [ 40.871549][ T418] sysfs_remove_group+0x113/0x2b0 [ 40.876582][ T418] sysfs_remove_groups+0x5b/0xb0 [ 40.881538][ T418] device_remove_attrs+0xe4/0x130 [ 40.886668][ T418] device_del+0x6cb/0xf90 [ 40.891080][ T418] ? kill_device+0xd0/0xd0 [ 40.895510][ T418] del_gendisk+0xbf2/0xe20 [ 40.899940][ T418] ? device_add_disk_no_queue_reg+0x30/0x30 [ 40.905870][ T418] ? __radix_tree_delete+0x2ba/0x380 [ 40.911187][ T418] ? radix_tree_delete_item+0x261/0x360 [ 40.916958][ T418] loop_remove+0x46/0xb0 [ 40.921463][ T418] loop_control_ioctl+0x67f/0x740 [ 40.926548][ T418] ? loop_remove+0xb0/0xb0 [ 40.930974][ T418] ? __fget_files+0x310/0x370 [ 40.935685][ T418] ? security_file_ioctl+0xb1/0xd0 [ 40.940951][ T418] ? loop_remove+0xb0/0xb0 [ 40.945487][ T418] __se_sys_ioctl+0x115/0x190 [ 40.950170][ T418] __x64_sys_ioctl+0x7b/0x90 [ 40.955198][ T418] do_syscall_64+0x34/0x70 [ 40.959787][ T418] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.965918][ T418] RIP: 0033:0x7fa740b210e9 [ 40.970341][ 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 [ 40.990224][ T418] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 40.998833][ T418] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 41.007022][ T418] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 41.015219][ T418] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 41.024134][ T418] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 41.032574][ T418] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 41.040624][ T418] ---[ end trace 5dbc6bf4f09d0116 ]--- [ 41.046231][ T418] ------------[ cut here ]------------ [ 41.051692][ T418] kernfs: can not remove 'hidden', no directory [ 41.058043][ T418] WARNING: CPU: 1 PID: 418 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 41.068645][ T418] Modules linked in: [ 41.072544][ T418] CPU: 1 PID: 418 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 41.084908][ T418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.095787][ T418] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 41.102100][ T418] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 41.121857][ T418] RSP: 0018:ffffc90000ed7a88 EFLAGS: 00010246 [ 41.127933][ T418] RAX: e44330c795802500 RBX: ffffffff854309e0 RCX: ffff8881067ee2c0 [ 41.135928][ T418] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 41.143897][ T418] RBP: ffffc90000ed7aa0 R08: ffffffff8153a998 R09: fffff520001dae75 [ 41.152030][ T418] R10: fffff520001dae75 R11: 1ffff920001dae74 R12: ffffffff86139860 [ 41.160040][ T418] R13: ffffffff86139860 R14: 0000000000000000 R15: 0000000000000000 [ 41.168066][ T418] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 41.177594][ T418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.184285][ T418] CR2: 00007fa740c34028 CR3: 00000001081b9000 CR4: 00000000003506a0 [ 41.192299][ T418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 41.200294][ T418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 41.208513][ T418] Call Trace: [ 41.211910][ T418] sysfs_remove_group+0x113/0x2b0 [ 41.216991][ T418] sysfs_remove_groups+0x5b/0xb0 [ 41.222035][ T418] device_remove_attrs+0xe4/0x130 [ 41.227287][ T418] device_del+0x6cb/0xf90 [ 41.231624][ T418] ? kill_device+0xd0/0xd0 [ 41.236076][ T418] del_gendisk+0xbf2/0xe20 [ 41.240611][ T418] ? device_add_disk_no_queue_reg+0x30/0x30 [ 41.246521][ T418] ? __radix_tree_delete+0x2ba/0x380 [ 41.252017][ T418] ? radix_tree_delete_item+0x261/0x360 [ 41.257581][ T418] loop_remove+0x46/0xb0 [ 41.261823][ T418] loop_control_ioctl+0x67f/0x740 [ 41.267134][ T418] ? loop_remove+0xb0/0xb0 [ 41.271553][ T418] ? __fget_files+0x310/0x370 [ 41.276259][ T418] ? security_file_ioctl+0xb1/0xd0 [ 41.281459][ T418] ? loop_remove+0xb0/0xb0 [ 41.286046][ T418] __se_sys_ioctl+0x115/0x190 [ 41.290727][ T418] __x64_sys_ioctl+0x7b/0x90 [ 41.295446][ T418] do_syscall_64+0x34/0x70 [ 41.299868][ T418] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.305783][ T418] RIP: 0033:0x7fa740b210e9 [ 41.310185][ T418] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 41.329823][ T418] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 41.338368][ T418] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 41.346510][ T418] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 41.354477][ T418] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 41.362570][ T418] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 41.370657][ T418] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 41.378647][ T418] ---[ end trace 5dbc6bf4f09d0117 ]--- [ 41.384097][ T418] ------------[ cut here ]------------ [ 41.389567][ T418] kernfs: can not remove 'ro', no directory [ 41.395504][ T418] WARNING: CPU: 1 PID: 418 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 41.405157][ T418] Modules linked in: [ 41.409043][ T418] CPU: 1 PID: 418 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 41.421339][ T418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.431707][ T418] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 41.437959][ T418] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 41.458126][ T418] RSP: 0018:ffffc90000ed7a88 EFLAGS: 00010246 [ 41.464281][ T418] RAX: e44330c795802500 RBX: ffffffff85430a00 RCX: ffff8881067ee2c0 [ 41.472357][ T418] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 41.480633][ T418] RBP: ffffc90000ed7aa0 R08: ffffffff8153a998 R09: ffffed103ee6a5d8 [ 41.488840][ T418] R10: ffffed103ee6a5d8 R11: 1ffff1103ee6a5d7 R12: ffffffff86139868 [ 41.496929][ T418] R13: ffffffff86139868 R14: 0000000000000000 R15: 0000000000000000 [ 41.505048][ T418] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 41.513962][ T418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.520609][ T418] CR2: 00007fa740c34028 CR3: 00000001081b9000 CR4: 00000000003506a0 [ 41.528665][ T418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 41.537574][ T418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 41.546326][ T418] Call Trace: [ 41.549945][ T418] sysfs_remove_group+0x113/0x2b0 [ 41.555919][ T418] sysfs_remove_groups+0x5b/0xb0 [ 41.560985][ T418] device_remove_attrs+0xe4/0x130 [ 41.566212][ T418] device_del+0x6cb/0xf90 [ 41.570985][ T418] ? kill_device+0xd0/0xd0 [ 41.575688][ T418] del_gendisk+0xbf2/0xe20 [ 41.580302][ T418] ? device_add_disk_no_queue_reg+0x30/0x30 [ 41.586263][ T418] ? __radix_tree_delete+0x2ba/0x380 [ 41.591747][ T418] ? radix_tree_delete_item+0x261/0x360 [ 41.597486][ T418] loop_remove+0x46/0xb0 [ 41.601994][ T418] loop_control_ioctl+0x67f/0x740 [ 41.607578][ T418] ? loop_remove+0xb0/0xb0 [ 41.612315][ T418] ? __fget_files+0x310/0x370 [ 41.617771][ T418] ? security_file_ioctl+0xb1/0xd0 [ 41.623160][ T418] ? loop_remove+0xb0/0xb0 [ 41.628335][ T418] __se_sys_ioctl+0x115/0x190 [ 41.633207][ T418] __x64_sys_ioctl+0x7b/0x90 [ 41.638314][ T418] do_syscall_64+0x34/0x70 [ 41.642818][ T418] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.648812][ T418] RIP: 0033:0x7fa740b210e9 [ 41.653577][ T418] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 41.674105][ T418] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 41.682568][ T418] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 41.691055][ T418] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 41.699755][ T418] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 41.708073][ T418] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 41.717029][ T418] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 41.726443][ T418] ---[ end trace 5dbc6bf4f09d0118 ]--- [ 41.731976][ T418] ------------[ cut here ]------------ [ 41.738029][ T418] kernfs: can not remove 'size', no directory [ 41.744220][ T418] WARNING: CPU: 1 PID: 418 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 41.753800][ T418] Modules linked in: [ 41.757818][ T418] CPU: 1 PID: 418 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 41.770058][ T418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.780237][ T418] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 41.786397][ T418] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 41.806887][ T418] RSP: 0018:ffffc90000ed7a88 EFLAGS: 00010246 [ 41.813128][ T418] RAX: e44330c795802500 RBX: ffffffff85430a20 RCX: ffff8881067ee2c0 [ 41.823086][ T418] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 41.831214][ T418] RBP: ffffc90000ed7aa0 R08: ffffffff8153a998 R09: ffffed103ee6a5d8 [ 41.839379][ T418] R10: ffffed103ee6a5d8 R11: 1ffff1103ee6a5d7 R12: ffffffff86139870 [ 41.848318][ T418] R13: ffffffff86139870 R14: 0000000000000000 R15: 0000000000000000 [ 41.856459][ T418] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 41.865508][ T418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.872199][ T418] CR2: 00007fa740c34028 CR3: 00000001081b9000 CR4: 00000000003506a0 [ 41.880233][ T418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 41.888733][ T418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 41.896770][ T418] Call Trace: [ 41.900100][ T418] sysfs_remove_group+0x113/0x2b0 [ 41.905593][ T418] sysfs_remove_groups+0x5b/0xb0 [ 41.910533][ T418] device_remove_attrs+0xe4/0x130 [ 41.915775][ T418] device_del+0x6cb/0xf90 [ 41.920116][ T418] ? kill_device+0xd0/0xd0 [ 41.924530][ T418] del_gendisk+0xbf2/0xe20 [ 41.929115][ T418] ? device_add_disk_no_queue_reg+0x30/0x30 [ 41.935151][ T418] ? __radix_tree_delete+0x2ba/0x380 [ 41.940596][ T418] ? radix_tree_delete_item+0x261/0x360 [ 41.946207][ T418] loop_remove+0x46/0xb0 [ 41.950498][ T418] loop_control_ioctl+0x67f/0x740 [ 41.955608][ T418] ? loop_remove+0xb0/0xb0 [ 41.960030][ T418] ? __fget_files+0x310/0x370 [ 41.964711][ T418] ? security_file_ioctl+0xb1/0xd0 [ 41.970005][ T418] ? loop_remove+0xb0/0xb0 [ 41.974478][ T418] __se_sys_ioctl+0x115/0x190 [ 41.979208][ T418] __x64_sys_ioctl+0x7b/0x90 [ 41.983901][ T418] do_syscall_64+0x34/0x70 [ 41.988385][ T418] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.994477][ T418] RIP: 0033:0x7fa740b210e9 [ 41.998935][ 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 [ 42.018571][ T418] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.027455][ T418] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 42.035476][ T418] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 42.043545][ T418] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 42.051643][ T418] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 42.059950][ T418] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 42.068079][ T418] ---[ end trace 5dbc6bf4f09d0119 ]--- [ 42.073528][ T418] ------------[ cut here ]------------ [ 42.079144][ T418] kernfs: can not remove 'alignment_offset', no directory [ 42.086319][ T418] WARNING: CPU: 1 PID: 418 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 42.096054][ T418] Modules linked in: [ 42.099965][ T418] CPU: 1 PID: 418 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 42.112337][ T418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.122691][ T418] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 42.128886][ T418] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 42.148604][ T418] RSP: 0018:ffffc90000ed7a88 EFLAGS: 00010246 [ 42.154654][ T418] RAX: e44330c795802500 RBX: ffffffff85430a40 RCX: ffff8881067ee2c0 [ 42.162678][ T418] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 42.170745][ T418] RBP: ffffc90000ed7aa0 R08: ffffffff8153a998 R09: ffffed103ee6a5d8 [ 42.180702][ T418] R10: ffffed103ee6a5d8 R11: 1ffff1103ee6a5d7 R12: ffffffff86139878 [ 42.189028][ T418] R13: ffffffff86139878 R14: 0000000000000000 R15: 0000000000000000 [ 42.197161][ T418] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 42.206413][ T418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.213117][ T418] CR2: 00007fa740c34028 CR3: 00000001081b9000 CR4: 00000000003506a0 [ 42.221201][ T418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.229191][ T418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.237287][ T418] Call Trace: [ 42.240588][ T418] sysfs_remove_group+0x113/0x2b0 [ 42.245772][ T418] sysfs_remove_groups+0x5b/0xb0 [ 42.250703][ T418] device_remove_attrs+0xe4/0x130 [ 42.255742][ T418] device_del+0x6cb/0xf90 [ 42.260062][ T418] ? kill_device+0xd0/0xd0 [ 42.264453][ T418] del_gendisk+0xbf2/0xe20 [ 42.268882][ T418] ? device_add_disk_no_queue_reg+0x30/0x30 [ 42.274759][ T418] ? __radix_tree_delete+0x2ba/0x380 [ 42.280054][ T418] ? radix_tree_delete_item+0x261/0x360 [ 42.285774][ T418] loop_remove+0x46/0xb0 [ 42.290478][ T418] loop_control_ioctl+0x67f/0x740 [ 42.295550][ T418] ? loop_remove+0xb0/0xb0 [ 42.299970][ T418] ? __fget_files+0x310/0x370 [ 42.304807][ T418] ? security_file_ioctl+0xb1/0xd0 [ 42.310037][ T418] ? loop_remove+0xb0/0xb0 [ 42.314467][ T418] __se_sys_ioctl+0x115/0x190 [ 42.319240][ T418] __x64_sys_ioctl+0x7b/0x90 [ 42.323848][ T418] do_syscall_64+0x34/0x70 [ 42.328428][ T418] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.334321][ T418] RIP: 0033:0x7fa740b210e9 [ 42.338767][ 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 [ 42.358588][ T418] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.367036][ T418] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 42.375029][ T418] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 42.383015][ T418] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 42.391016][ T418] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 42.399128][ T418] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 42.407146][ T418] ---[ end trace 5dbc6bf4f09d011a ]--- [ 42.412602][ T418] ------------[ cut here ]------------ [ 42.418118][ T418] kernfs: can not remove 'discard_alignment', no directory [ 42.425400][ T418] WARNING: CPU: 1 PID: 418 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 42.434960][ T418] Modules linked in: [ 42.438864][ T418] CPU: 1 PID: 418 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 42.451035][ T418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.461131][ T418] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 42.467560][ T418] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 42.487346][ T418] RSP: 0018:ffffc90000ed7a88 EFLAGS: 00010246 [ 42.493509][ T418] RAX: e44330c795802500 RBX: ffffffff85430a80 RCX: ffff8881067ee2c0 [ 42.501515][ T418] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 42.509580][ T418] RBP: ffffc90000ed7aa0 R08: ffffffff8153a998 R09: fffff520001dae75 [ 42.517668][ T418] R10: fffff520001dae75 R11: 1ffff920001dae74 R12: ffffffff86139880 [ 42.525641][ T418] R13: ffffffff86139880 R14: 0000000000000000 R15: 0000000000000000 [ 42.533595][ T418] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 42.544312][ T418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.551378][ T418] CR2: 00007fa740c34028 CR3: 00000001081b9000 CR4: 00000000003506a0 [ 42.561377][ T418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.572955][ T418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.581095][ T418] Call Trace: [ 42.581722][ T23] audit: type=1400 audit(1653435605.800:158): 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 [ 42.584399][ T418] sysfs_remove_group+0x113/0x2b0 [ 42.607940][ T23] audit: type=1400 audit(1653435605.800:159): 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 [ 42.612846][ T418] sysfs_remove_groups+0x5b/0xb0 [ 42.636330][ T23] audit: type=1400 audit(1653435605.800:160): 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 [ 42.641018][ T418] device_remove_attrs+0xe4/0x130 [ 42.667760][ T418] device_del+0x6cb/0xf90 [ 42.672157][ T418] ? kill_device+0xd0/0xd0 [ 42.676704][ T418] del_gendisk+0xbf2/0xe20 [ 42.681300][ T418] ? device_add_disk_no_queue_reg+0x30/0x30 [ 42.687211][ T418] ? __radix_tree_delete+0x2ba/0x380 [ 42.692487][ T418] ? radix_tree_delete_item+0x261/0x360 [ 42.698255][ T418] loop_remove+0x46/0xb0 [ 42.702584][ T418] loop_control_ioctl+0x67f/0x740 [ 42.707652][ T418] ? loop_remove+0xb0/0xb0 [ 42.712067][ T418] ? __fget_files+0x310/0x370 [ 42.716800][ T418] ? security_file_ioctl+0xb1/0xd0 [ 42.721920][ T418] ? loop_remove+0xb0/0xb0 [ 42.726377][ T418] __se_sys_ioctl+0x115/0x190 [ 42.731072][ T418] __x64_sys_ioctl+0x7b/0x90 [ 42.735794][ T418] do_syscall_64+0x34/0x70 [ 42.740233][ T418] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.746260][ T418] RIP: 0033:0x7fa740b210e9 [ 42.750758][ 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 [ 42.770682][ T418] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.779366][ T418] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 42.787356][ T418] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 42.795520][ T418] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 42.803648][ T418] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 42.811683][ T418] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 42.819681][ T418] ---[ end trace 5dbc6bf4f09d011b ]--- [ 42.825146][ T418] ------------[ cut here ]------------ [ 42.830586][ T418] kernfs: can not remove 'capability', no directory [ 42.837254][ T418] WARNING: CPU: 1 PID: 418 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 42.846915][ T418] Modules linked in: [ 42.850802][ T418] CPU: 1 PID: 418 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 42.863924][ T418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.874015][ T418] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 42.880262][ T418] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 42.900115][ T418] RSP: 0018:ffffc90000ed7a88 EFLAGS: 00010246 [ 42.908438][ T418] RAX: e44330c795802500 RBX: ffffffff85430ac0 RCX: ffff8881067ee2c0 [ 42.916529][ T418] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 42.924490][ T418] RBP: ffffc90000ed7aa0 R08: ffffffff8153a998 R09: fffff520001dae75 [ 42.932748][ T418] R10: fffff520001dae75 R11: 1ffff920001dae74 R12: ffffffff86139888 [ 42.940787][ T418] R13: ffffffff86139888 R14: 0000000000000000 R15: 0000000000000000 [ 42.948807][ T418] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 42.957873][ T418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.964630][ T418] CR2: 00007fa740c34028 CR3: 00000001081b9000 CR4: 00000000003506a0 [ 42.973227][ T418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.981507][ T418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.989779][ T418] Call Trace: [ 42.993230][ T418] sysfs_remove_group+0x113/0x2b0 [ 42.998311][ T418] sysfs_remove_groups+0x5b/0xb0 [ 43.004070][ T418] device_remove_attrs+0xe4/0x130 [ 43.009309][ T418] device_del+0x6cb/0xf90 [ 43.013843][ T418] ? kill_device+0xd0/0xd0 [ 43.018692][ T418] del_gendisk+0xbf2/0xe20 [ 43.023299][ T418] ? device_add_disk_no_queue_reg+0x30/0x30 [ 43.029363][ T418] ? __radix_tree_delete+0x2ba/0x380 [ 43.034881][ T418] ? radix_tree_delete_item+0x261/0x360 [ 43.040706][ T418] loop_remove+0x46/0xb0 [ 43.045084][ T418] loop_control_ioctl+0x67f/0x740 [ 43.050301][ T418] ? loop_remove+0xb0/0xb0 [ 43.055102][ T418] ? __fget_files+0x310/0x370 [ 43.059966][ T418] ? security_file_ioctl+0xb1/0xd0 [ 43.065102][ T418] ? loop_remove+0xb0/0xb0 [ 43.069506][ T418] __se_sys_ioctl+0x115/0x190 [ 43.074188][ T418] __x64_sys_ioctl+0x7b/0x90 [ 43.078910][ T418] do_syscall_64+0x34/0x70 [ 43.085841][ T418] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.091794][ T418] RIP: 0033:0x7fa740b210e9 [ 43.096222][ 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 [ 43.116024][ T418] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.124499][ T418] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 43.132837][ T418] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 43.141898][ T418] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 43.150322][ T418] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 43.158633][ T418] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 43.167096][ T418] ---[ end trace 5dbc6bf4f09d011c ]--- [ 43.172648][ T418] ------------[ cut here ]------------ [ 43.178203][ T418] kernfs: can not remove 'stat', no directory [ 43.184293][ T418] WARNING: CPU: 1 PID: 418 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 43.193841][ T418] Modules linked in: [ 43.197784][ T418] CPU: 1 PID: 418 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 43.210152][ T418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.220318][ T418] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 43.226894][ T418] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 43.247403][ T418] RSP: 0018:ffffc90000ed7a88 EFLAGS: 00010246 [ 43.253534][ T418] RAX: e44330c795802500 RBX: ffffffff85430b00 RCX: ffff8881067ee2c0 [ 43.261629][ T418] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 43.270007][ T418] RBP: ffffc90000ed7aa0 R08: ffffffff8153a998 R09: ffffed103ee6a5d8 [ 43.278170][ T418] R10: ffffed103ee6a5d8 R11: 1ffff1103ee6a5d7 R12: ffffffff86139890 [ 43.286233][ T418] R13: ffffffff86139890 R14: 0000000000000000 R15: 0000000000000000 [ 43.294297][ T418] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 43.303269][ T418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.310071][ T418] CR2: 00007fa740c34028 CR3: 00000001081b9000 CR4: 00000000003506a0 [ 43.318435][ T418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.326476][ T418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 43.334658][ T418] Call Trace: [ 43.338177][ T418] sysfs_remove_group+0x113/0x2b0 [ 43.343394][ T418] sysfs_remove_groups+0x5b/0xb0 [ 43.349798][ T418] device_remove_attrs+0xe4/0x130 [ 43.354819][ T418] device_del+0x6cb/0xf90 [ 43.359276][ T418] ? kill_device+0xd0/0xd0 [ 43.363731][ T418] del_gendisk+0xbf2/0xe20 [ 43.368450][ T418] ? device_add_disk_no_queue_reg+0x30/0x30 [ 43.374617][ T418] ? __radix_tree_delete+0x2ba/0x380 [ 43.380103][ T418] ? radix_tree_delete_item+0x261/0x360 [ 43.385710][ T418] loop_remove+0x46/0xb0 [ 43.390025][ T418] loop_control_ioctl+0x67f/0x740 [ 43.395202][ T418] ? loop_remove+0xb0/0xb0 [ 43.399641][ T418] ? __fget_files+0x310/0x370 [ 43.404485][ T418] ? security_file_ioctl+0xb1/0xd0 [ 43.409685][ T418] ? loop_remove+0xb0/0xb0 [ 43.414112][ T418] __se_sys_ioctl+0x115/0x190 [ 43.418932][ T418] __x64_sys_ioctl+0x7b/0x90 [ 43.423754][ T418] do_syscall_64+0x34/0x70 [ 43.428312][ T418] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.434719][ T418] RIP: 0033:0x7fa740b210e9 [ 43.439274][ 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 [ 43.460060][ T418] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.468662][ T418] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 43.476751][ T418] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 43.484792][ T418] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 43.492973][ T418] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 43.501125][ T418] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 43.509154][ T418] ---[ end trace 5dbc6bf4f09d011d ]--- [ 43.514718][ T418] ------------[ cut here ]------------ [ 43.520504][ T418] kernfs: can not remove 'inflight', no directory [ 43.527134][ T418] WARNING: CPU: 1 PID: 418 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 43.537302][ T418] Modules linked in: [ 43.541202][ T418] CPU: 1 PID: 418 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 43.553554][ T418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.563842][ T418] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 43.570031][ T418] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 43.590381][ T418] RSP: 0018:ffffc90000ed7a88 EFLAGS: 00010246 [ 43.596458][ T418] RAX: e44330c795802500 RBX: ffffffff85430b20 RCX: ffff8881067ee2c0 [ 43.604506][ T418] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 43.612718][ T418] RBP: ffffc90000ed7aa0 R08: ffffffff8153a998 R09: ffffed103ee6a5d8 [ 43.620812][ T418] R10: ffffed103ee6a5d8 R11: 1ffff1103ee6a5d7 R12: ffffffff86139898 [ 43.628833][ T418] R13: ffffffff86139898 R14: 0000000000000000 R15: 0000000000000000 [ 43.637282][ T418] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 43.646950][ T418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.653668][ T418] CR2: 00007fa740c34028 CR3: 00000001081b9000 CR4: 00000000003506a0 [ 43.661706][ T418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.669948][ T418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 43.677936][ T418] Call Trace: [ 43.681212][ T418] sysfs_remove_group+0x113/0x2b0 [ 43.686315][ T418] sysfs_remove_groups+0x5b/0xb0 [ 43.691250][ T418] device_remove_attrs+0xe4/0x130 [ 43.696403][ T418] device_del+0x6cb/0xf90 [ 43.700722][ T418] ? kill_device+0xd0/0xd0 [ 43.705211][ T418] del_gendisk+0xbf2/0xe20 [ 43.709735][ T418] ? device_add_disk_no_queue_reg+0x30/0x30 [ 43.715762][ T418] ? __radix_tree_delete+0x2ba/0x380 [ 43.721306][ T418] ? radix_tree_delete_item+0x261/0x360 [ 43.727008][ T418] loop_remove+0x46/0xb0 [ 43.731571][ T418] loop_control_ioctl+0x67f/0x740 [ 43.736748][ T418] ? loop_remove+0xb0/0xb0 [ 43.741797][ T418] ? __fget_files+0x310/0x370 [ 43.746595][ T418] ? security_file_ioctl+0xb1/0xd0 [ 43.751696][ T418] ? loop_remove+0xb0/0xb0 [ 43.756227][ T418] __se_sys_ioctl+0x115/0x190 [ 43.760908][ T418] __x64_sys_ioctl+0x7b/0x90 [ 43.765726][ T418] do_syscall_64+0x34/0x70 [ 43.770266][ T418] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.776207][ T418] RIP: 0033:0x7fa740b210e9 [ 43.780615][ 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 [ 43.800443][ T418] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.814392][ T418] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 43.823331][ T418] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 43.833450][ T418] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 43.842436][ T418] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 43.850727][ T418] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 43.858898][ T418] ---[ end trace 5dbc6bf4f09d011e ]--- [ 43.864613][ T418] ------------[ cut here ]------------ [ 43.870121][ T418] kernfs: can not remove 'badblocks', no directory [ 43.876768][ T418] WARNING: CPU: 1 PID: 418 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 43.886648][ T418] Modules linked in: [ 43.890634][ T418] CPU: 1 PID: 418 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 43.903171][ T418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.913254][ T418] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 43.919632][ T418] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 43.939407][ T418] RSP: 0018:ffffc90000ed7a88 EFLAGS: 00010246 [ 43.945508][ T418] RAX: e44330c795802500 RBX: ffffffff85430960 RCX: ffff8881067ee2c0 [ 43.953568][ T418] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 43.961603][ T418] RBP: ffffc90000ed7aa0 R08: ffffffff8153a998 R09: ffffed103ee6a5d8 [ 43.969892][ T418] R10: ffffed103ee6a5d8 R11: 1ffff1103ee6a5d7 R12: ffffffff861398a0 [ 43.978078][ T418] R13: ffffffff861398a0 R14: 0000000000000000 R15: 0000000000000000 [ 43.986083][ T418] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 43.995070][ T418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.001654][ T418] CR2: 00007fa740c34028 CR3: 00000001081b9000 CR4: 00000000003506a0 [ 44.009857][ T418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.018039][ T418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.026952][ T418] Call Trace: [ 44.030255][ T418] sysfs_remove_group+0x113/0x2b0 [ 44.035533][ T418] sysfs_remove_groups+0x5b/0xb0 [ 44.040472][ T418] device_remove_attrs+0xe4/0x130 [ 44.045699][ T418] device_del+0x6cb/0xf90 [ 44.050030][ T418] ? kill_device+0xd0/0xd0 [ 44.054428][ T418] del_gendisk+0xbf2/0xe20 [ 44.058873][ T418] ? device_add_disk_no_queue_reg+0x30/0x30 [ 44.064749][ T418] ? __radix_tree_delete+0x2ba/0x380 [ 44.070068][ T418] ? radix_tree_delete_item+0x261/0x360 [ 44.075624][ T418] loop_remove+0x46/0xb0 [ 44.079889][ T418] loop_control_ioctl+0x67f/0x740 [ 44.084917][ T418] ? loop_remove+0xb0/0xb0 [ 44.089347][ T418] ? __fget_files+0x310/0x370 [ 44.093998][ T418] ? security_file_ioctl+0xb1/0xd0 [ 44.099156][ T418] ? loop_remove+0xb0/0xb0 [ 44.103612][ T418] __se_sys_ioctl+0x115/0x190 [ 44.108316][ T418] __x64_sys_ioctl+0x7b/0x90 [ 44.112894][ T418] do_syscall_64+0x34/0x70 [ 44.118371][ T418] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.124424][ T418] RIP: 0033:0x7fa740b210e9 [ 44.129010][ 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 [ 44.149151][ T418] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.157590][ T418] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 44.165865][ T418] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 44.174053][ T418] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 44.182412][ T418] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 44.190662][ T418] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 44.198649][ T418] ---[ end trace 5dbc6bf4f09d011f ]--- [ 44.204368][ T418] ------------[ cut here ]------------ [ 44.211922][ T418] kernfs: can not remove 'make-it-fail', no directory [ 44.218947][ T418] WARNING: CPU: 1 PID: 418 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 44.228959][ T418] Modules linked in: [ 44.232882][ T418] CPU: 1 PID: 418 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 44.245283][ T418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.255930][ T418] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 44.262378][ T418] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 44.282219][ T418] RSP: 0018:ffffc90000ed7a88 EFLAGS: 00010246 [ 44.288492][ T418] RAX: e44330c795802500 RBX: ffffffff85430b40 RCX: ffff8881067ee2c0 [ 44.296537][ T418] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 44.304762][ T418] RBP: ffffc90000ed7aa0 R08: ffffffff8153a998 R09: ffffed103ee6a5d8 [ 44.312769][ T418] R10: ffffed103ee6a5d8 R11: 1ffff1103ee6a5d7 R12: ffffffff861398a8 [ 44.321041][ T418] R13: ffffffff861398a8 R14: 0000000000000000 R15: 0000000000000000 [ 44.329621][ T418] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 44.339244][ T418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.346239][ T418] CR2: 00007fa740c34028 CR3: 00000001081b9000 CR4: 00000000003506a0 [ 44.354712][ T418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.363006][ T418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.371119][ T418] Call Trace: [ 44.374389][ T418] sysfs_remove_group+0x113/0x2b0 [ 44.379618][ T418] sysfs_remove_groups+0x5b/0xb0 [ 44.384562][ T418] device_remove_attrs+0xe4/0x130 [ 44.389617][ T418] device_del+0x6cb/0xf90 [ 44.393939][ T418] ? kill_device+0xd0/0xd0 [ 44.398400][ T418] del_gendisk+0xbf2/0xe20 [ 44.403214][ T418] ? device_add_disk_no_queue_reg+0x30/0x30 [ 44.409136][ T418] ? __radix_tree_delete+0x2ba/0x380 [ 44.414438][ T418] ? radix_tree_delete_item+0x261/0x360 [ 44.420012][ T418] loop_remove+0x46/0xb0 [ 44.424241][ T418] loop_control_ioctl+0x67f/0x740 [ 44.429767][ T418] ? loop_remove+0xb0/0xb0 [ 44.434203][ T418] ? __fget_files+0x310/0x370 [ 44.438912][ T418] ? security_file_ioctl+0xb1/0xd0 [ 44.444037][ T418] ? loop_remove+0xb0/0xb0 [ 44.448652][ T418] __se_sys_ioctl+0x115/0x190 [ 44.453499][ T418] __x64_sys_ioctl+0x7b/0x90 [ 44.458220][ T418] do_syscall_64+0x34/0x70 [ 44.462629][ T418] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.468729][ T418] RIP: 0033:0x7fa740b210e9 [ 44.473139][ 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 [ 44.492996][ T418] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.501617][ T418] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 44.509597][ T418] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 44.517594][ T418] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 44.525935][ T418] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 44.533909][ T418] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 44.541958][ T418] ---[ end trace 5dbc6bf4f09d0120 ]--- [ 44.547461][ T418] ------------[ cut here ]------------ [ 44.552906][ T418] kernfs: can not remove 'io-timeout-fail', no directory [ 44.560222][ T418] WARNING: CPU: 1 PID: 418 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 44.569765][ T418] Modules linked in: [ 44.573642][ T418] CPU: 1 PID: 418 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 44.585816][ T418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.595895][ T418] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 44.602192][ T418] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 44.622426][ T418] RSP: 0018:ffffc90000ed7a88 EFLAGS: 00010246 [ 44.628774][ T418] RAX: e44330c795802500 RBX: ffffffff85430b60 RCX: ffff8881067ee2c0 [ 44.638040][ T418] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 44.646294][ T418] RBP: ffffc90000ed7aa0 R08: ffffffff8153a998 R09: fffff520001dae75 [ 44.654527][ T418] R10: fffff520001dae75 R11: 1ffff920001dae74 R12: ffffffff861398b0 [ 44.662764][ T418] R13: ffffffff861398b0 R14: 0000000000000000 R15: 0000000000000000 [ 44.670767][ T418] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 44.679808][ T418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.686406][ T418] CR2: 00007fa740c34028 CR3: 00000001081b9000 CR4: 00000000003506a0 [ 44.694355][ T418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.702334][ T418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.710306][ T418] Call Trace: [ 44.713583][ T418] sysfs_remove_group+0x113/0x2b0 [ 44.718623][ T418] sysfs_remove_groups+0x5b/0xb0 [ 44.724418][ T418] device_remove_attrs+0xe4/0x130 [ 44.729716][ T418] device_del+0x6cb/0xf90 [ 44.734042][ T418] ? kill_device+0xd0/0xd0 [ 44.738550][ T418] del_gendisk+0xbf2/0xe20 [ 44.743178][ T418] ? device_add_disk_no_queue_reg+0x30/0x30 [ 44.749130][ T418] ? __radix_tree_delete+0x2ba/0x380 [ 44.754410][ T418] ? radix_tree_delete_item+0x261/0x360 [ 44.759974][ T418] loop_remove+0x46/0xb0 [ 44.764298][ T418] loop_control_ioctl+0x67f/0x740 [ 44.769768][ T418] ? loop_remove+0xb0/0xb0 [ 44.774170][ T418] ? __fget_files+0x310/0x370 [ 44.778857][ T418] ? security_file_ioctl+0xb1/0xd0 [ 44.783949][ T418] ? loop_remove+0xb0/0xb0 [ 44.788459][ T418] __se_sys_ioctl+0x115/0x190 [ 44.793124][ T418] __x64_sys_ioctl+0x7b/0x90 [ 44.797753][ T418] do_syscall_64+0x34/0x70 [ 44.802154][ T418] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.808138][ T418] RIP: 0033:0x7fa740b210e9 [ 44.812548][ 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 [ 44.832190][ T418] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.840630][ T418] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 44.848609][ T418] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 44.856798][ T418] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 44.864846][ T418] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 44.873549][ T418] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 44.881996][ T418] ---[ end trace 5dbc6bf4f09d0121 ]--- 2022/05/24 23:40:08 executed programs: 4 [ 44.969801][ T421] FAULT_INJECTION: forcing a failure. [ 44.969801][ T421] name failslab, interval 1, probability 0, space 0, times 0 [ 44.982430][ T421] CPU: 1 PID: 421 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 44.994656][ T421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.004694][ T421] Call Trace: [ 45.007971][ T421] dump_stack_lvl+0x1e2/0x24b [ 45.013013][ T421] ? bfq_pos_tree_add_move+0x43e/0x43e [ 45.018649][ T421] dump_stack+0x15/0x17 [ 45.022905][ T421] should_fail+0x3c0/0x510 [ 45.027323][ T421] ? __kernfs_new_node+0x99/0x6e0 [ 45.032428][ T421] __should_failslab+0x9f/0xe0 [ 45.037171][ T421] should_failslab+0x9/0x20 [ 45.041653][ T421] __kmalloc_track_caller+0x5f/0x350 [ 45.046937][ T421] ? __kernel_text_address+0x9a/0x110 [ 45.052310][ T421] ? unwind_get_return_address+0x4c/0x90 [ 45.058023][ T421] kstrdup_const+0x55/0x90 [ 45.062416][ T421] __kernfs_new_node+0x99/0x6e0 [ 45.067263][ T421] ? stack_trace_save+0x12d/0x1f0 [ 45.072296][ T421] ? kernfs_new_node+0x170/0x170 [ 45.077228][ T421] ? stack_trace_snprint+0x100/0x100 [ 45.082492][ T421] ? dput+0x2ce/0x320 [ 45.086454][ T421] ? device_add+0xbe/0xbd0 [ 45.091158][ T421] kernfs_create_dir_ns+0x9b/0x230 [ 45.096274][ T421] sysfs_create_dir_ns+0x181/0x390 [ 45.101380][ T421] ? sysfs_warn_dup+0xa0/0xa0 [ 45.106043][ T421] kobject_add_internal+0x766/0xda0 [ 45.111240][ T421] kobject_add+0x14c/0x210 [ 45.115650][ T421] ? _raw_spin_lock+0xa3/0x1b0 [ 45.120505][ T421] ? kobject_init+0x1e0/0x1e0 [ 45.125187][ T421] ? __kasan_check_write+0x14/0x20 [ 45.130383][ T421] ? mutex_unlock+0x1d/0x40 [ 45.134880][ T421] ? get_device_parent+0x2c5/0x430 [ 45.139970][ T421] device_add+0x3ca/0xbd0 [ 45.144295][ T421] __device_add_disk+0x77d/0x11d0 [ 45.149296][ T421] ? device_add_disk+0x40/0x40 [ 45.154093][ T421] ? vsprintf+0x40/0x40 [ 45.158233][ T421] device_add_disk+0x2a/0x40 [ 45.162817][ T421] loop_add+0x58f/0x760 [ 45.166969][ T421] loop_control_ioctl+0x564/0x740 [ 45.171990][ T421] ? loop_remove+0xb0/0xb0 [ 45.176410][ T421] ? __fget_files+0x310/0x370 [ 45.181598][ T421] ? security_file_ioctl+0xb1/0xd0 [ 45.186696][ T421] ? loop_remove+0xb0/0xb0 [ 45.191116][ T421] __se_sys_ioctl+0x115/0x190 [ 45.195792][ T421] __x64_sys_ioctl+0x7b/0x90 [ 45.200382][ T421] do_syscall_64+0x34/0x70 [ 45.204793][ T421] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.210662][ T421] RIP: 0033:0x7fa740b210e9 [ 45.215632][ T421] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 45.235407][ T421] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.243821][ T421] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 45.251865][ T421] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 45.259856][ T421] RBP: 00007fa740a971d0 R08: 0000000000000000 R09: 0000000000000000 [ 45.267900][ T421] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.275856][ T421] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 45.284309][ T421] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 45.292295][ T421] kobject_add_internal failed for queue (error: -2 parent: loop0) [ 45.300220][ T421] ------------[ cut here ]------------ [ 45.305822][ T421] WARNING: CPU: 0 PID: 421 at fs/sysfs/file.c:328 sysfs_create_files+0x215/0x4a0 [ 45.314965][ T421] Modules linked in: [ 45.318857][ T421] CPU: 0 PID: 421 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 45.331012][ T421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.341098][ T421] RIP: 0010:sysfs_create_files+0x215/0x4a0 [ 45.347119][ T421] Code: 24 04 48 b9 00 00 00 00 00 fc ff df 48 8b 54 24 08 4c 8b 74 24 20 eb 2b 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 e8 bb f2 9a ff <0f> 0b c7 44 24 04 ea ff ff ff 48 b9 00 00 00 00 00 fc ff df 48 8b [ 45.366866][ T421] RSP: 0018:ffffc90000ef7ae0 EFLAGS: 00010293 [ 45.373390][ T421] RAX: ffffffff81d1c011 RBX: ffff88810dea7098 RCX: ffff88810ccd0000 [ 45.381372][ T421] RDX: 0000000000000000 RSI: ffffffff86139660 RDI: ffff88810dea7068 [ 45.389373][ T421] RBP: ffffc90000ef7bb0 R08: ffffffff826b9538 R09: ffffed1021513586 [ 45.397363][ T421] R10: ffffed1021513586 R11: 1ffff11021513585 R12: 0000000000000000 [ 45.405346][ T421] R13: ffffffff854306a0 R14: ffff88810dea7068 R15: ffffffff86139660 [ 45.413305][ T421] FS: 00007fa740a97700(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 45.422237][ T421] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.428825][ T421] CR2: 0000560e4db31968 CR3: 000000010d4cd000 CR4: 00000000003506b0 [ 45.436815][ T421] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.445457][ T421] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.453520][ T421] Call Trace: [ 45.456966][ T421] ? sysfs_create_file_ns+0x2a0/0x2a0 [ 45.462370][ T421] ? __kasan_check_write+0x14/0x20 [ 45.467511][ T421] ? kobject_get+0xd2/0x120 [ 45.472037][ T421] __device_add_disk+0x9cb/0x11d0 [ 45.477113][ T421] ? device_add_disk+0x40/0x40 [ 45.481909][ T421] ? vsprintf+0x40/0x40 [ 45.486102][ T421] device_add_disk+0x2a/0x40 [ 45.490714][ T421] loop_add+0x58f/0x760 [ 45.494948][ T421] loop_control_ioctl+0x564/0x740 [ 45.500019][ T421] ? loop_remove+0xb0/0xb0 [ 45.504464][ T421] ? __fget_files+0x310/0x370 [ 45.509172][ T421] ? security_file_ioctl+0xb1/0xd0 [ 45.514270][ T421] ? loop_remove+0xb0/0xb0 [ 45.518742][ T421] __se_sys_ioctl+0x115/0x190 [ 45.523413][ T421] __x64_sys_ioctl+0x7b/0x90 [ 45.528012][ T421] do_syscall_64+0x34/0x70 [ 45.532423][ T421] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.538318][ T421] RIP: 0033:0x7fa740b210e9 [ 45.542722][ T421] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 45.562338][ T421] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.570778][ T421] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 45.578764][ T421] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 45.586745][ T421] RBP: 00007fa740a971d0 R08: 0000000000000000 R09: 0000000000000000 [ 45.594698][ T421] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.602759][ T421] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 45.610923][ T421] ---[ end trace 5dbc6bf4f09d0122 ]--- [ 45.616380][ T421] ------------[ cut here ]------------ [ 45.621908][ T421] kernfs: can not remove 'events', no directory [ 45.628213][ T421] WARNING: CPU: 0 PID: 421 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 45.637756][ T421] Modules linked in: [ 45.641731][ T421] CPU: 0 PID: 421 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 45.654265][ T421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.664613][ T421] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 45.670805][ T421] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 45.690592][ T421] RSP: 0018:ffffc90000ef7ab8 EFLAGS: 00010246 [ 45.696676][ T421] RAX: 7f332680d7f78100 RBX: ffffffff85430680 RCX: ffff88810ccd0000 [ 45.704769][ T421] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 45.712753][ T421] RBP: ffffc90000ef7ad0 R08: ffffffff8153a998 R09: fffff520001dee7d [ 45.720740][ T421] R10: fffff520001dee7d R11: 1ffff920001dee7c R12: ffffffff86139660 [ 45.728719][ T421] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 45.736760][ T421] FS: 00007fa740a97700(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 45.745755][ T421] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.752328][ T421] CR2: 0000560e4db31968 CR3: 000000010d4cd000 CR4: 00000000003506b0 [ 45.760319][ T421] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.768295][ T421] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.776282][ T421] Call Trace: [ 45.779566][ T421] sysfs_create_files+0x40a/0x4a0 [ 45.784573][ T421] ? sysfs_create_file_ns+0x2a0/0x2a0 [ 45.790128][ T421] ? __kasan_check_write+0x14/0x20 [ 45.795531][ T421] ? kobject_get+0xd2/0x120 [ 45.800289][ T421] __device_add_disk+0x9cb/0x11d0 [ 45.805430][ T421] ? device_add_disk+0x40/0x40 [ 45.810245][ T421] ? vsprintf+0x40/0x40 [ 45.814395][ T421] device_add_disk+0x2a/0x40 [ 45.819054][ T421] loop_add+0x58f/0x760 [ 45.823381][ T421] loop_control_ioctl+0x564/0x740 [ 45.828416][ T421] ? loop_remove+0xb0/0xb0 [ 45.833026][ T421] ? __fget_files+0x310/0x370 [ 45.838062][ T421] ? security_file_ioctl+0xb1/0xd0 [ 45.843172][ T421] ? loop_remove+0xb0/0xb0 [ 45.847694][ T421] __se_sys_ioctl+0x115/0x190 [ 45.852511][ T421] __x64_sys_ioctl+0x7b/0x90 [ 45.857155][ T421] do_syscall_64+0x34/0x70 [ 45.861575][ T421] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.867476][ T421] RIP: 0033:0x7fa740b210e9 [ 45.871889][ T421] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 45.891779][ T421] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.900388][ T421] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 45.908377][ T421] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 45.916352][ T421] RBP: 00007fa740a971d0 R08: 0000000000000000 R09: 0000000000000000 [ 45.924485][ T421] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 45.932600][ T421] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 45.940697][ T421] ---[ end trace 5dbc6bf4f09d0123 ]--- [ 45.946300][ T421] loop0: failed to create sysfs files for events [ 45.957668][ T424] ------------[ cut here ]------------ [ 45.963268][ T424] kernfs: can not remove 'events', no directory [ 45.969731][ T424] WARNING: CPU: 0 PID: 424 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 45.979404][ T424] Modules linked in: [ 45.983412][ T424] CPU: 0 PID: 424 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 45.995581][ T424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.005935][ T424] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 46.013406][ T424] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 46.033119][ T424] RSP: 0018:ffffc90000ef7bf8 EFLAGS: 00010246 [ 46.039382][ T424] RAX: 14e8372085714000 RBX: ffffffff85430680 RCX: ffff8881002d62c0 [ 46.047515][ T424] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 46.055496][ T424] RBP: ffffc90000ef7c10 R08: ffffffff8153a998 R09: fffff520001deea5 [ 46.063466][ T424] R10: fffff520001deea5 R11: 1ffff920001deea4 R12: 0000000000000000 [ 46.071458][ T424] R13: ffffffff86139660 R14: 0000000000000000 R15: 0000000000000000 [ 46.080407][ T424] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 46.089691][ T424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.096346][ T424] CR2: 00007fa740c34028 CR3: 000000010cd61000 CR4: 00000000003506a0 [ 46.104306][ T424] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 46.112310][ T424] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 46.120320][ T424] Call Trace: [ 46.123802][ T424] sysfs_remove_files+0xab/0x110 [ 46.128879][ T424] del_gendisk+0x278/0xe20 [ 46.133313][ T424] ? device_add_disk_no_queue_reg+0x30/0x30 [ 46.139636][ T424] ? __radix_tree_delete+0x2ba/0x380 [ 46.144952][ T424] ? radix_tree_delete_item+0x261/0x360 [ 46.150499][ T424] loop_remove+0x46/0xb0 [ 46.154808][ T424] loop_control_ioctl+0x67f/0x740 [ 46.159854][ T424] ? loop_remove+0xb0/0xb0 [ 46.164267][ T424] ? __fget_files+0x310/0x370 [ 46.168955][ T424] ? security_file_ioctl+0xb1/0xd0 [ 46.174077][ T424] ? loop_remove+0xb0/0xb0 [ 46.178979][ T424] __se_sys_ioctl+0x115/0x190 [ 46.183661][ T424] __x64_sys_ioctl+0x7b/0x90 [ 46.188509][ T424] do_syscall_64+0x34/0x70 [ 46.192923][ T424] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.198936][ T424] RIP: 0033:0x7fa740b210e9 [ 46.203699][ 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 [ 46.223861][ T424] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.232286][ T424] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 46.240281][ T424] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 46.248280][ T424] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 46.256746][ T424] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 46.264809][ T424] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 46.272866][ T424] ---[ end trace 5dbc6bf4f09d0124 ]--- [ 46.278458][ T424] ------------[ cut here ]------------ [ 46.283901][ T424] kernfs: can not remove 'events_async', no directory [ 46.290744][ T424] WARNING: CPU: 1 PID: 424 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 46.300312][ T424] Modules linked in: [ 46.304193][ T424] CPU: 1 PID: 424 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 46.316500][ T424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.326788][ T424] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 46.332946][ T424] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 46.352847][ T424] RSP: 0018:ffffc90000ef7bf8 EFLAGS: 00010246 [ 46.358992][ T424] RAX: 14e8372085714000 RBX: ffffffff85430760 RCX: ffff8881002d62c0 [ 46.367037][ T424] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 46.375609][ T424] RBP: ffffc90000ef7c10 R08: ffffffff8153a998 R09: fffff520001deea5 [ 46.383578][ T424] R10: fffff520001deea5 R11: 1ffff920001deea4 R12: 0000000000000000 [ 46.391904][ T424] R13: ffffffff86139660 R14: 0000000000000000 R15: 0000000000000000 [ 46.400235][ T424] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 46.409366][ T424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.416191][ T424] CR2: 00007fa740c34028 CR3: 000000010cd61000 CR4: 00000000003506a0 [ 46.424250][ T424] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 46.432412][ T424] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 46.440574][ T424] Call Trace: [ 46.443853][ T424] sysfs_remove_files+0xab/0x110 [ 46.448926][ T424] del_gendisk+0x278/0xe20 [ 46.453341][ T424] ? device_add_disk_no_queue_reg+0x30/0x30 [ 46.459516][ T424] ? __radix_tree_delete+0x2ba/0x380 [ 46.464790][ T424] ? radix_tree_delete_item+0x261/0x360 [ 46.470485][ T424] loop_remove+0x46/0xb0 [ 46.474836][ T424] loop_control_ioctl+0x67f/0x740 [ 46.479892][ T424] ? loop_remove+0xb0/0xb0 [ 46.484329][ T424] ? __fget_files+0x310/0x370 [ 46.489035][ T424] ? security_file_ioctl+0xb1/0xd0 [ 46.494166][ T424] ? loop_remove+0xb0/0xb0 [ 46.498729][ T424] __se_sys_ioctl+0x115/0x190 [ 46.503595][ T424] __x64_sys_ioctl+0x7b/0x90 [ 46.508216][ T424] do_syscall_64+0x34/0x70 [ 46.512632][ T424] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.518634][ T424] RIP: 0033:0x7fa740b210e9 [ 46.523135][ 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 [ 46.542868][ T424] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.551516][ T424] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 46.559635][ T424] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 46.567677][ T424] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 46.575662][ T424] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 46.583720][ T424] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 46.591737][ T424] ---[ end trace 5dbc6bf4f09d0125 ]--- [ 46.597220][ T424] ------------[ cut here ]------------ [ 46.602764][ T424] kernfs: can not remove 'events_poll_msecs', no directory [ 46.610066][ T424] WARNING: CPU: 1 PID: 424 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 46.619620][ T424] Modules linked in: [ 46.623636][ T424] CPU: 1 PID: 424 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 46.635975][ T424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.647358][ T424] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 46.653489][ T424] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 46.673118][ T424] RSP: 0018:ffffc90000ef7bf8 EFLAGS: 00010246 [ 46.679209][ T424] RAX: 14e8372085714000 RBX: ffffffff854307c0 RCX: ffff8881002d62c0 [ 46.687200][ T424] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 46.695439][ T424] RBP: ffffc90000ef7c10 R08: ffffffff8153a998 R09: ffffed103ee6a5d8 [ 46.703392][ T424] R10: ffffed103ee6a5d8 R11: 1ffff1103ee6a5d7 R12: 0000000000000000 [ 46.711366][ T424] R13: ffffffff86139660 R14: 0000000000000000 R15: 0000000000000000 [ 46.719357][ T424] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 46.728484][ T424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.735109][ T424] CR2: 00007fa740c34028 CR3: 000000010cd61000 CR4: 00000000003506a0 [ 46.743087][ T424] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 46.751075][ T424] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 46.759151][ T424] Call Trace: [ 46.762496][ T424] sysfs_remove_files+0xab/0x110 [ 46.767556][ T424] del_gendisk+0x278/0xe20 [ 46.771988][ T424] ? device_add_disk_no_queue_reg+0x30/0x30 [ 46.777984][ T424] ? __radix_tree_delete+0x2ba/0x380 [ 46.783278][ T424] ? radix_tree_delete_item+0x261/0x360 [ 46.788847][ T424] loop_remove+0x46/0xb0 [ 46.793096][ T424] loop_control_ioctl+0x67f/0x740 [ 46.798167][ T424] ? loop_remove+0xb0/0xb0 [ 46.802670][ T424] ? __fget_files+0x310/0x370 [ 46.807403][ T424] ? security_file_ioctl+0xb1/0xd0 [ 46.812630][ T424] ? loop_remove+0xb0/0xb0 [ 46.817076][ T424] __se_sys_ioctl+0x115/0x190 [ 46.821762][ T424] __x64_sys_ioctl+0x7b/0x90 [ 46.826370][ T424] do_syscall_64+0x34/0x70 [ 46.830800][ T424] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.836720][ T424] RIP: 0033:0x7fa740b210e9 [ 46.841139][ 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 [ 46.860886][ T424] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.869423][ T424] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 46.877448][ T424] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 46.885475][ T424] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 46.893533][ T424] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 46.901542][ T424] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 46.909635][ T424] ---[ end trace 5dbc6bf4f09d0126 ]--- [ 46.915167][ T424] ------------[ cut here ]------------ [ 46.920610][ T424] kernfs: can not remove 'bdi', no directory [ 46.926698][ T424] WARNING: CPU: 1 PID: 424 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 46.936239][ T424] Modules linked in: [ 46.940123][ T424] CPU: 1 PID: 424 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 46.952279][ T424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.962493][ T424] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 46.968742][ T424] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 46.988539][ T424] RSP: 0018:ffffc90000ef7c18 EFLAGS: 00010246 [ 46.994953][ T424] RAX: 14e8372085714000 RBX: ffffffff85430060 RCX: ffff8881002d62c0 [ 47.003360][ T424] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 47.011348][ T424] RBP: ffffc90000ef7c30 R08: ffffffff8153a998 R09: fffff520001deea9 [ 47.019329][ T424] R10: fffff520001deea9 R11: 1ffff920001deea8 R12: 0000000000000240 [ 47.027337][ T424] R13: ffff88810dea7030 R14: 0000000000000000 R15: 0000000000000000 [ 47.035522][ T424] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 47.044446][ T424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.051053][ T424] CR2: 00007fa740c34028 CR3: 000000010cd61000 CR4: 00000000003506a0 [ 47.059155][ T424] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.067214][ T424] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.075312][ T424] Call Trace: [ 47.078588][ T424] sysfs_remove_link+0x50/0x60 [ 47.083429][ T424] del_gendisk+0x7cd/0xe20 [ 47.088740][ T424] ? device_add_disk_no_queue_reg+0x30/0x30 [ 47.094635][ T424] ? __radix_tree_delete+0x2ba/0x380 [ 47.100286][ T424] ? radix_tree_delete_item+0x261/0x360 [ 47.105839][ T424] loop_remove+0x46/0xb0 [ 47.110074][ T424] loop_control_ioctl+0x67f/0x740 [ 47.115402][ T424] ? loop_remove+0xb0/0xb0 [ 47.119823][ T424] ? __fget_files+0x310/0x370 [ 47.124501][ T424] ? security_file_ioctl+0xb1/0xd0 [ 47.129814][ T424] ? loop_remove+0xb0/0xb0 [ 47.134317][ T424] __se_sys_ioctl+0x115/0x190 [ 47.139271][ T424] __x64_sys_ioctl+0x7b/0x90 [ 47.143860][ T424] do_syscall_64+0x34/0x70 [ 47.149067][ T424] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.155143][ T424] RIP: 0033:0x7fa740b210e9 [ 47.159538][ 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 [ 47.179159][ T424] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.187588][ T424] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 47.195689][ T424] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 47.203660][ T424] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 47.211645][ T424] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 47.219622][ T424] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 47.227689][ T424] ---[ end trace 5dbc6bf4f09d0127 ]--- [ 47.234087][ T424] ------------[ cut here ]------------ [ 47.239582][ T424] kernfs: can not remove 'dev', no directory [ 47.245630][ T424] WARNING: CPU: 1 PID: 424 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 47.255600][ T424] Modules linked in: [ 47.259492][ T424] CPU: 1 PID: 424 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 47.272076][ T424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.282230][ T424] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 47.288396][ T424] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 47.308195][ T424] RSP: 0018:ffffc90000ef7b08 EFLAGS: 00010246 [ 47.314251][ T424] RAX: 14e8372085714000 RBX: ffffffff85519560 RCX: ffff8881002d62c0 [ 47.322467][ T424] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 47.330493][ T424] RBP: ffffc90000ef7b20 R08: ffffffff8153a998 R09: ffffed103ee6a5d8 [ 47.338574][ T424] R10: ffffed103ee6a5d8 R11: 1ffff1103ee6a5d7 R12: dffffc0000000000 [ 47.346683][ T424] R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000 [ 47.354641][ T424] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 47.363608][ T424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.370213][ T424] CR2: 00007fa740c34028 CR3: 000000010cd61000 CR4: 00000000003506a0 [ 47.378203][ T424] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.386191][ T424] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.394277][ T424] Call Trace: [ 47.397610][ T424] sysfs_remove_file_ns+0x64/0x70 [ 47.402722][ T424] device_del+0x448/0xf90 [ 47.407185][ T424] ? kill_device+0xd0/0xd0 [ 47.411619][ T424] del_gendisk+0xbf2/0xe20 [ 47.416064][ T424] ? device_add_disk_no_queue_reg+0x30/0x30 [ 47.421964][ T424] ? __radix_tree_delete+0x2ba/0x380 [ 47.427415][ T424] ? radix_tree_delete_item+0x261/0x360 [ 47.433046][ T424] loop_remove+0x46/0xb0 [ 47.437337][ T424] loop_control_ioctl+0x67f/0x740 [ 47.442486][ T424] ? loop_remove+0xb0/0xb0 [ 47.447038][ T424] ? __fget_files+0x310/0x370 [ 47.451728][ T424] ? security_file_ioctl+0xb1/0xd0 [ 47.457056][ T424] ? loop_remove+0xb0/0xb0 [ 47.461652][ T424] __se_sys_ioctl+0x115/0x190 [ 47.466393][ T424] __x64_sys_ioctl+0x7b/0x90 [ 47.470985][ T424] do_syscall_64+0x34/0x70 [ 47.475427][ T424] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.481521][ T424] RIP: 0033:0x7fa740b210e9 [ 47.486214][ 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 [ 47.506624][ T424] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.515309][ T424] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 47.523572][ T424] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 47.531570][ T424] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 47.539567][ T424] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 47.547731][ T424] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 47.555716][ T424] ---[ end trace 5dbc6bf4f09d0128 ]--- [ 47.561158][ T424] ------------[ cut here ]------------ [ 47.566633][ T424] kernfs: can not remove 'waiting_for_supplier', no directory [ 47.574206][ T424] WARNING: CPU: 1 PID: 424 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 47.583938][ T424] Modules linked in: [ 47.587988][ T424] CPU: 1 PID: 424 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 47.600715][ T424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.611307][ T424] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 47.617575][ T424] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 47.637463][ T424] RSP: 0018:ffffc90000ef7ad8 EFLAGS: 00010246 [ 47.643507][ T424] RAX: 14e8372085714000 RBX: ffffffff85519b60 RCX: ffff8881002d62c0 [ 47.651522][ T424] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 47.659779][ T424] RBP: ffffc90000ef7af0 R08: ffffffff8153a998 R09: ffffed103ee6a5d8 [ 47.667797][ T424] R10: ffffed103ee6a5d8 R11: 1ffff1103ee6a5d7 R12: dffffc0000000000 [ 47.675880][ T424] R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000 [ 47.684011][ T424] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 47.692966][ T424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.699582][ T424] CR2: 00007fa740c34028 CR3: 000000010cd61000 CR4: 00000000003506a0 [ 47.707747][ T424] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.715744][ T424] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.723695][ T424] Call Trace: [ 47.727004][ T424] sysfs_remove_file_ns+0x64/0x70 [ 47.732168][ T424] device_remove_attrs+0x74/0x130 [ 47.737231][ T424] device_del+0x6cb/0xf90 [ 47.741572][ T424] ? kill_device+0xd0/0xd0 [ 47.746191][ T424] del_gendisk+0xbf2/0xe20 [ 47.750709][ T424] ? device_add_disk_no_queue_reg+0x30/0x30 [ 47.756907][ T424] ? __radix_tree_delete+0x2ba/0x380 [ 47.762286][ T424] ? radix_tree_delete_item+0x261/0x360 [ 47.767880][ T424] loop_remove+0x46/0xb0 [ 47.772201][ T424] loop_control_ioctl+0x67f/0x740 [ 47.777252][ T424] ? loop_remove+0xb0/0xb0 [ 47.781668][ T424] ? __fget_files+0x310/0x370 [ 47.786359][ T424] ? security_file_ioctl+0xb1/0xd0 [ 47.791469][ T424] ? loop_remove+0xb0/0xb0 [ 47.795918][ T424] __se_sys_ioctl+0x115/0x190 [ 47.800600][ T424] __x64_sys_ioctl+0x7b/0x90 [ 47.805204][ T424] do_syscall_64+0x34/0x70 [ 47.809616][ T424] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.815557][ T424] RIP: 0033:0x7fa740b210e9 [ 47.819969][ 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 [ 47.839877][ T424] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.848403][ T424] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 47.856396][ T424] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 47.864464][ T424] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 47.872471][ T424] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 47.880577][ T424] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 47.889254][ T424] ---[ end trace 5dbc6bf4f09d0129 ]--- [ 47.894800][ T424] ------------[ cut here ]------------ [ 47.900540][ T424] kernfs: can not remove 'online', no directory [ 47.906922][ T424] WARNING: CPU: 1 PID: 424 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 47.916485][ T424] Modules linked in: [ 47.920400][ T424] CPU: 1 PID: 424 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 47.932847][ T424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.943017][ T424] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 47.949378][ T424] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 47.969918][ T424] RSP: 0018:ffffc90000ef7ad8 EFLAGS: 00010246 [ 47.976558][ T424] RAX: 14e8372085714000 RBX: ffffffff85519ec0 RCX: ffff8881002d62c0 [ 47.984714][ T424] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 47.992797][ T424] RBP: ffffc90000ef7af0 R08: ffffffff8153a998 R09: ffffed103ee6a5d8 [ 48.000876][ T424] R10: ffffed103ee6a5d8 R11: 1ffff1103ee6a5d7 R12: dffffc0000000000 [ 48.009328][ T424] R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000 [ 48.017546][ T424] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 48.026499][ T424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.033087][ T424] CR2: 00007fa740c34028 CR3: 000000010cd61000 CR4: 00000000003506a0 [ 48.041070][ T424] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.049056][ T424] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.057035][ T424] Call Trace: [ 48.060317][ T424] sysfs_remove_file_ns+0x64/0x70 [ 48.065343][ T424] device_remove_attrs+0x85/0x130 [ 48.070366][ T424] device_del+0x6cb/0xf90 [ 48.074671][ T424] ? kill_device+0xd0/0xd0 [ 48.079216][ T424] del_gendisk+0xbf2/0xe20 [ 48.083631][ T424] ? device_add_disk_no_queue_reg+0x30/0x30 [ 48.089562][ T424] ? __radix_tree_delete+0x2ba/0x380 [ 48.094845][ T424] ? radix_tree_delete_item+0x261/0x360 [ 48.100417][ T424] loop_remove+0x46/0xb0 [ 48.104657][ T424] loop_control_ioctl+0x67f/0x740 [ 48.109704][ T424] ? loop_remove+0xb0/0xb0 [ 48.114115][ T424] ? __fget_files+0x310/0x370 [ 48.118808][ T424] ? security_file_ioctl+0xb1/0xd0 [ 48.123917][ T424] ? loop_remove+0xb0/0xb0 [ 48.128342][ T424] __se_sys_ioctl+0x115/0x190 [ 48.133207][ T424] __x64_sys_ioctl+0x7b/0x90 [ 48.137912][ T424] do_syscall_64+0x34/0x70 [ 48.142348][ T424] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.148275][ T424] RIP: 0033:0x7fa740b210e9 [ 48.152705][ 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 [ 48.172368][ T424] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 48.181095][ T424] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 48.189080][ T424] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 48.197059][ T424] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 48.205045][ T424] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 48.213093][ T424] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 48.221098][ T424] ---[ end trace 5dbc6bf4f09d012a ]--- [ 48.226567][ T424] ------------[ cut here ]------------ [ 48.232015][ T424] kernfs: can not remove 'range', no directory [ 48.238233][ T424] WARNING: CPU: 1 PID: 424 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 48.247769][ T424] Modules linked in: [ 48.251649][ T424] CPU: 1 PID: 424 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 48.263798][ T424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.273892][ T424] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 48.280197][ T424] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 48.300120][ T424] RSP: 0018:ffffc90000ef7a88 EFLAGS: 00010246 [ 48.306289][ T424] RAX: 14e8372085714000 RBX: ffffffff85430980 RCX: ffff8881002d62c0 [ 48.314252][ T424] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 48.322319][ T424] RBP: ffffc90000ef7aa0 R08: ffffffff8153a998 R09: fffff520001dee75 [ 48.330329][ T424] R10: fffff520001dee75 R11: 1ffff920001dee74 R12: ffffffff86139848 [ 48.338458][ T424] R13: ffffffff86139848 R14: 0000000000000000 R15: 0000000000000000 [ 48.346467][ T424] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 48.355505][ T424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.362764][ T424] CR2: 00007fa740c34028 CR3: 000000010cd61000 CR4: 00000000003506a0 [ 48.371047][ T424] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.379382][ T424] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.387372][ T424] Call Trace: [ 48.390753][ T424] sysfs_remove_group+0x113/0x2b0 [ 48.395788][ T424] sysfs_remove_groups+0x5b/0xb0 [ 48.401083][ T424] device_remove_attrs+0xe4/0x130 [ 48.406141][ T424] device_del+0x6cb/0xf90 [ 48.410477][ T424] ? kill_device+0xd0/0xd0 [ 48.414950][ T424] del_gendisk+0xbf2/0xe20 [ 48.419371][ T424] ? device_add_disk_no_queue_reg+0x30/0x30 [ 48.425299][ T424] ? __radix_tree_delete+0x2ba/0x380 [ 48.430592][ T424] ? radix_tree_delete_item+0x261/0x360 [ 48.436327][ T424] loop_remove+0x46/0xb0 [ 48.440824][ T424] loop_control_ioctl+0x67f/0x740 [ 48.445883][ T424] ? loop_remove+0xb0/0xb0 [ 48.450286][ T424] ? __fget_files+0x310/0x370 [ 48.454973][ T424] ? security_file_ioctl+0xb1/0xd0 [ 48.460185][ T424] ? loop_remove+0xb0/0xb0 [ 48.464597][ T424] __se_sys_ioctl+0x115/0x190 [ 48.469567][ T424] __x64_sys_ioctl+0x7b/0x90 [ 48.474164][ T424] do_syscall_64+0x34/0x70 [ 48.478612][ T424] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.484504][ T424] RIP: 0033:0x7fa740b210e9 [ 48.488928][ 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 [ 48.508710][ T424] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 48.517129][ T424] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 48.525114][ T424] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 48.533209][ T424] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 48.541380][ T424] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 48.549632][ T424] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 48.557707][ T424] ---[ end trace 5dbc6bf4f09d012b ]--- [ 48.563342][ T424] ------------[ cut here ]------------ [ 48.568817][ T424] kernfs: can not remove 'ext_range', no directory [ 48.575371][ T424] WARNING: CPU: 1 PID: 424 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 48.584999][ T424] Modules linked in: [ 48.588896][ T424] CPU: 1 PID: 424 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 48.601132][ T424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.611225][ T424] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 48.617428][ T424] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 48.639266][ T424] RSP: 0018:ffffc90000ef7a88 EFLAGS: 00010246 [ 48.645518][ T424] RAX: 14e8372085714000 RBX: ffffffff854309a0 RCX: ffff8881002d62c0 [ 48.653767][ T424] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 48.663112][ T424] RBP: ffffc90000ef7aa0 R08: ffffffff8153a998 R09: ffffed103ee6a5d8 [ 48.672391][ T424] R10: ffffed103ee6a5d8 R11: 1ffff1103ee6a5d7 R12: ffffffff86139850 [ 48.680818][ T424] R13: ffffffff86139850 R14: 0000000000000000 R15: 0000000000000000 [ 48.688922][ T424] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 48.698043][ T424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.704691][ T424] CR2: 00007fa740c34028 CR3: 000000010cd61000 CR4: 00000000003506a0 [ 48.712697][ T424] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.720746][ T424] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.728838][ T424] Call Trace: [ 48.732132][ T424] sysfs_remove_group+0x113/0x2b0 [ 48.737439][ T424] sysfs_remove_groups+0x5b/0xb0 [ 48.742377][ T424] device_remove_attrs+0xe4/0x130 [ 48.747513][ T424] device_del+0x6cb/0xf90 [ 48.752101][ T424] ? kill_device+0xd0/0xd0 [ 48.756522][ T424] del_gendisk+0xbf2/0xe20 [ 48.761191][ T424] ? device_add_disk_no_queue_reg+0x30/0x30 [ 48.767263][ T424] ? __radix_tree_delete+0x2ba/0x380 [ 48.772607][ T424] ? radix_tree_delete_item+0x261/0x360 [ 48.778256][ T424] loop_remove+0x46/0xb0 [ 48.782668][ T424] loop_control_ioctl+0x67f/0x740 [ 48.787792][ T424] ? loop_remove+0xb0/0xb0 [ 48.792203][ T424] ? __fget_files+0x310/0x370 [ 48.796911][ T424] ? security_file_ioctl+0xb1/0xd0 [ 48.802021][ T424] ? loop_remove+0xb0/0xb0 [ 48.806611][ T424] __se_sys_ioctl+0x115/0x190 [ 48.811790][ T424] __x64_sys_ioctl+0x7b/0x90 [ 48.816510][ T424] do_syscall_64+0x34/0x70 [ 48.821118][ T424] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.827038][ T424] RIP: 0033:0x7fa740b210e9 [ 48.831645][ 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 [ 48.852098][ T424] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 48.860592][ T424] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 48.869082][ T424] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 48.877243][ T424] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 48.885309][ T424] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 48.893272][ T424] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 48.901362][ T424] ---[ end trace 5dbc6bf4f09d012c ]--- [ 48.906915][ T424] ------------[ cut here ]------------ [ 48.912356][ T424] kernfs: can not remove 'removable', no directory [ 48.918933][ T424] WARNING: CPU: 1 PID: 424 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 48.928471][ T424] Modules linked in: [ 48.932800][ T424] CPU: 1 PID: 424 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 48.944964][ T424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.955076][ T424] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 48.961326][ T424] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 48.981352][ T424] RSP: 0018:ffffc90000ef7a88 EFLAGS: 00010246 [ 48.987533][ T424] RAX: 14e8372085714000 RBX: ffffffff854309c0 RCX: ffff8881002d62c0 [ 48.995522][ T424] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 49.003577][ T424] RBP: ffffc90000ef7aa0 R08: ffffffff8153a998 R09: fffff520001dee75 [ 49.011839][ T424] R10: fffff520001dee75 R11: 1ffff920001dee74 R12: ffffffff86139858 [ 49.019909][ T424] R13: ffffffff86139858 R14: 0000000000000000 R15: 0000000000000000 [ 49.027909][ T424] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 49.036872][ T424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.043443][ T424] CR2: 00007fa740c34028 CR3: 000000010cd61000 CR4: 00000000003506a0 [ 49.051450][ T424] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.059423][ T424] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.067493][ T424] Call Trace: [ 49.070766][ T424] sysfs_remove_group+0x113/0x2b0 [ 49.076081][ T424] sysfs_remove_groups+0x5b/0xb0 [ 49.081101][ T424] device_remove_attrs+0xe4/0x130 [ 49.086395][ T424] device_del+0x6cb/0xf90 [ 49.090764][ T424] ? kill_device+0xd0/0xd0 [ 49.095204][ T424] del_gendisk+0xbf2/0xe20 [ 49.099611][ T424] ? device_add_disk_no_queue_reg+0x30/0x30 [ 49.105518][ T424] ? __radix_tree_delete+0x2ba/0x380 [ 49.110795][ T424] ? radix_tree_delete_item+0x261/0x360 [ 49.116518][ T424] loop_remove+0x46/0xb0 [ 49.120901][ T424] loop_control_ioctl+0x67f/0x740 [ 49.126026][ T424] ? loop_remove+0xb0/0xb0 [ 49.130426][ T424] ? __fget_files+0x310/0x370 [ 49.135216][ T424] ? security_file_ioctl+0xb1/0xd0 [ 49.140350][ T424] ? loop_remove+0xb0/0xb0 [ 49.144845][ T424] __se_sys_ioctl+0x115/0x190 [ 49.149650][ T424] __x64_sys_ioctl+0x7b/0x90 [ 49.154255][ T424] do_syscall_64+0x34/0x70 [ 49.158706][ T424] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.164594][ T424] RIP: 0033:0x7fa740b210e9 [ 49.169172][ 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 [ 49.189304][ T424] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 49.197824][ T424] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 49.205837][ T424] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 49.214182][ T424] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 49.222198][ T424] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 49.230469][ T424] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 49.238477][ T424] ---[ end trace 5dbc6bf4f09d012d ]--- [ 49.243915][ T424] ------------[ cut here ]------------ [ 49.249394][ T424] kernfs: can not remove 'hidden', no directory [ 49.255693][ T424] WARNING: CPU: 1 PID: 424 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 49.265251][ T424] Modules linked in: [ 49.269153][ T424] CPU: 1 PID: 424 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 49.281351][ T424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.291678][ T424] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 49.298247][ T424] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 49.321031][ T424] RSP: 0018:ffffc90000ef7a88 EFLAGS: 00010246 [ 49.327202][ T424] RAX: 14e8372085714000 RBX: ffffffff854309e0 RCX: ffff8881002d62c0 [ 49.335205][ T424] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 49.343435][ T424] RBP: ffffc90000ef7aa0 R08: ffffffff8153a998 R09: ffffed103ee6a5d8 [ 49.351516][ T424] R10: ffffed103ee6a5d8 R11: 1ffff1103ee6a5d7 R12: ffffffff86139860 [ 49.359842][ T424] R13: ffffffff86139860 R14: 0000000000000000 R15: 0000000000000000 [ 49.367833][ T424] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 49.376764][ T424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.383461][ T424] CR2: 00007fa740c34028 CR3: 000000010cd61000 CR4: 00000000003506a0 [ 49.391861][ T424] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.400235][ T424] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.408314][ T424] Call Trace: [ 49.411611][ T424] sysfs_remove_group+0x113/0x2b0 [ 49.416855][ T424] sysfs_remove_groups+0x5b/0xb0 [ 49.421892][ T424] device_remove_attrs+0xe4/0x130 [ 49.426948][ T424] device_del+0x6cb/0xf90 [ 49.431281][ T424] ? kill_device+0xd0/0xd0 [ 49.435731][ T424] del_gendisk+0xbf2/0xe20 [ 49.440144][ T424] ? device_add_disk_no_queue_reg+0x30/0x30 [ 49.446181][ T424] ? __radix_tree_delete+0x2ba/0x380 [ 49.451535][ T424] ? radix_tree_delete_item+0x261/0x360 [ 49.457111][ T424] loop_remove+0x46/0xb0 [ 49.461553][ T424] loop_control_ioctl+0x67f/0x740 [ 49.466827][ T424] ? loop_remove+0xb0/0xb0 [ 49.471224][ T424] ? __fget_files+0x310/0x370 [ 49.476785][ T424] ? security_file_ioctl+0xb1/0xd0 [ 49.481906][ T424] ? loop_remove+0xb0/0xb0 [ 49.486469][ T424] __se_sys_ioctl+0x115/0x190 [ 49.491172][ T424] __x64_sys_ioctl+0x7b/0x90 [ 49.495791][ T424] do_syscall_64+0x34/0x70 [ 49.500284][ T424] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.506210][ T424] RIP: 0033:0x7fa740b210e9 [ 49.510706][ 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 [ 49.530426][ T424] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 49.538879][ T424] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 49.546889][ T424] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 49.555046][ T424] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 49.563122][ T424] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 49.571147][ T424] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 49.579225][ T424] ---[ end trace 5dbc6bf4f09d012e ]--- [ 49.584744][ T424] ------------[ cut here ]------------ [ 49.590411][ T424] kernfs: can not remove 'ro', no directory [ 49.596387][ T424] WARNING: CPU: 1 PID: 424 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 49.606125][ T424] Modules linked in: [ 49.610195][ T424] CPU: 1 PID: 424 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 49.622377][ T424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.632542][ T424] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 49.638717][ T424] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 49.658527][ T424] RSP: 0018:ffffc90000ef7a88 EFLAGS: 00010246 [ 49.664596][ T424] RAX: 14e8372085714000 RBX: ffffffff85430a00 RCX: ffff8881002d62c0 [ 49.674612][ T424] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 49.682680][ T424] RBP: ffffc90000ef7aa0 R08: ffffffff8153a998 R09: ffffed103ee6a5d8 [ 49.690764][ T424] R10: ffffed103ee6a5d8 R11: 1ffff1103ee6a5d7 R12: ffffffff86139868 [ 49.699370][ T424] R13: ffffffff86139868 R14: 0000000000000000 R15: 0000000000000000 [ 49.707373][ T424] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 49.716317][ T424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.722877][ T424] CR2: 00007fa740c34028 CR3: 000000010cd61000 CR4: 00000000003506a0 [ 49.731037][ T424] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.739103][ T424] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.747293][ T424] Call Trace: [ 49.750592][ T424] sysfs_remove_group+0x113/0x2b0 [ 49.755975][ T424] sysfs_remove_groups+0x5b/0xb0 [ 49.760906][ T424] device_remove_attrs+0xe4/0x130 [ 49.766119][ T424] device_del+0x6cb/0xf90 [ 49.770434][ T424] ? kill_device+0xd0/0xd0 [ 49.774823][ T424] del_gendisk+0xbf2/0xe20 [ 49.779258][ T424] ? device_add_disk_no_queue_reg+0x30/0x30 [ 49.785156][ T424] ? __radix_tree_delete+0x2ba/0x380 [ 49.790413][ T424] ? radix_tree_delete_item+0x261/0x360 [ 49.795960][ T424] loop_remove+0x46/0xb0 [ 49.800188][ T424] loop_control_ioctl+0x67f/0x740 [ 49.805233][ T424] ? loop_remove+0xb0/0xb0 [ 49.809632][ T424] ? __fget_files+0x310/0x370 [ 49.814283][ T424] ? security_file_ioctl+0xb1/0xd0 [ 49.819468][ T424] ? loop_remove+0xb0/0xb0 [ 49.823885][ T424] __se_sys_ioctl+0x115/0x190 [ 49.828584][ T424] __x64_sys_ioctl+0x7b/0x90 [ 49.833167][ T424] do_syscall_64+0x34/0x70 [ 49.837606][ T424] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.843488][ T424] RIP: 0033:0x7fa740b210e9 [ 49.848312][ 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 [ 49.868234][ T424] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 49.876888][ T424] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 49.884940][ T424] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 49.892910][ T424] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 49.901032][ T424] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 49.909022][ T424] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 49.917152][ T424] ---[ end trace 5dbc6bf4f09d012f ]--- [ 49.922663][ T424] ------------[ cut here ]------------ [ 49.928382][ T424] kernfs: can not remove 'size', no directory [ 49.934474][ T424] WARNING: CPU: 1 PID: 424 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 49.944068][ T424] Modules linked in: [ 49.947983][ T424] CPU: 1 PID: 424 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 49.960169][ T424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.970273][ T424] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 49.976488][ T424] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 49.996205][ T424] RSP: 0018:ffffc90000ef7a88 EFLAGS: 00010246 [ 50.002264][ T424] RAX: 14e8372085714000 RBX: ffffffff85430a20 RCX: ffff8881002d62c0 [ 50.010260][ T424] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 50.018240][ T424] RBP: ffffc90000ef7aa0 R08: ffffffff8153a998 R09: ffffed103ee64e83 [ 50.026216][ T424] R10: ffffed103ee64e83 R11: 1ffff1103ee64e82 R12: ffffffff86139870 [ 50.034267][ T424] R13: ffffffff86139870 R14: 0000000000000000 R15: 0000000000000000 [ 50.042385][ T424] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 50.051456][ T424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.058246][ T424] CR2: 00007fa740c34028 CR3: 000000010cd61000 CR4: 00000000003506a0 [ 50.066275][ T424] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.074241][ T424] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.082313][ T424] Call Trace: [ 50.085612][ T424] sysfs_remove_group+0x113/0x2b0 [ 50.090625][ T424] sysfs_remove_groups+0x5b/0xb0 [ 50.095590][ T424] device_remove_attrs+0xe4/0x130 [ 50.100675][ T424] device_del+0x6cb/0xf90 [ 50.105022][ T424] ? kill_device+0xd0/0xd0 [ 50.109510][ T424] del_gendisk+0xbf2/0xe20 [ 50.113914][ T424] ? device_add_disk_no_queue_reg+0x30/0x30 [ 50.119860][ T424] ? __radix_tree_delete+0x2ba/0x380 [ 50.125251][ T424] ? radix_tree_delete_item+0x261/0x360 [ 50.130787][ T424] loop_remove+0x46/0xb0 [ 50.135084][ T424] loop_control_ioctl+0x67f/0x740 [ 50.140097][ T424] ? loop_remove+0xb0/0xb0 [ 50.144519][ T424] ? __fget_files+0x310/0x370 [ 50.149459][ T424] ? security_file_ioctl+0xb1/0xd0 [ 50.154666][ T424] ? loop_remove+0xb0/0xb0 [ 50.159110][ T424] __se_sys_ioctl+0x115/0x190 [ 50.163869][ T424] __x64_sys_ioctl+0x7b/0x90 [ 50.168629][ T424] do_syscall_64+0x34/0x70 [ 50.173042][ T424] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.178956][ T424] RIP: 0033:0x7fa740b210e9 [ 50.183372][ 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 [ 50.203183][ T424] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 50.211716][ T424] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 50.219696][ T424] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 50.227843][ T424] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 50.235833][ T424] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 50.243796][ T424] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 50.251877][ T424] ---[ end trace 5dbc6bf4f09d0130 ]--- [ 50.257340][ T424] ------------[ cut here ]------------ [ 50.262773][ T424] kernfs: can not remove 'alignment_offset', no directory [ 50.270081][ T424] WARNING: CPU: 1 PID: 424 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 50.279647][ T424] Modules linked in: [ 50.283528][ T424] CPU: 1 PID: 424 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 50.295806][ T424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.305964][ T424] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 50.312226][ T424] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 50.331977][ T424] RSP: 0018:ffffc90000ef7a88 EFLAGS: 00010246 [ 50.338108][ T424] RAX: 14e8372085714000 RBX: ffffffff85430a40 RCX: ffff8881002d62c0 [ 50.346719][ T424] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 50.354771][ T424] RBP: ffffc90000ef7aa0 R08: ffffffff8153a998 R09: fffff520001dee75 [ 50.363654][ T424] R10: fffff520001dee75 R11: 1ffff920001dee74 R12: ffffffff86139878 [ 50.371648][ T424] R13: ffffffff86139878 R14: 0000000000000000 R15: 0000000000000000 [ 50.379653][ T424] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 50.388698][ T424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.395294][ T424] CR2: 00007fa740c34028 CR3: 000000010cd61000 CR4: 00000000003506a0 [ 50.403366][ T424] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.411706][ T424] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.419822][ T424] Call Trace: [ 50.423233][ T424] sysfs_remove_group+0x113/0x2b0 [ 50.428466][ T424] sysfs_remove_groups+0x5b/0xb0 [ 50.433394][ T424] device_remove_attrs+0xe4/0x130 [ 50.438442][ T424] device_del+0x6cb/0xf90 [ 50.442808][ T424] ? kill_device+0xd0/0xd0 [ 50.447336][ T424] del_gendisk+0xbf2/0xe20 [ 50.451747][ T424] ? device_add_disk_no_queue_reg+0x30/0x30 [ 50.457720][ T424] ? __radix_tree_delete+0x2ba/0x380 [ 50.463024][ T424] ? radix_tree_delete_item+0x261/0x360 [ 50.468592][ T424] loop_remove+0x46/0xb0 [ 50.472860][ T424] loop_control_ioctl+0x67f/0x740 [ 50.477899][ T424] ? loop_remove+0xb0/0xb0 [ 50.482321][ T424] ? __fget_files+0x310/0x370 [ 50.487152][ T424] ? security_file_ioctl+0xb1/0xd0 [ 50.492250][ T424] ? loop_remove+0xb0/0xb0 [ 50.496673][ T424] __se_sys_ioctl+0x115/0x190 [ 50.501343][ T424] __x64_sys_ioctl+0x7b/0x90 [ 50.505943][ T424] do_syscall_64+0x34/0x70 [ 50.510394][ T424] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.516288][ T424] RIP: 0033:0x7fa740b210e9 [ 50.520786][ 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 [ 50.541276][ T424] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 50.549708][ T424] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 50.557791][ T424] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 50.565987][ T424] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 50.574033][ T424] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 50.582079][ T424] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 50.590076][ T424] ---[ end trace 5dbc6bf4f09d0131 ]--- [ 50.595538][ T424] ------------[ cut here ]------------ [ 50.600985][ T424] kernfs: can not remove 'discard_alignment', no directory [ 50.608388][ T424] WARNING: CPU: 1 PID: 424 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 50.618045][ T424] Modules linked in: [ 50.622010][ T424] CPU: 1 PID: 424 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 50.634281][ T424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.644389][ T424] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 50.651117][ T424] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 50.670834][ T424] RSP: 0018:ffffc90000ef7a88 EFLAGS: 00010246 [ 50.676921][ T424] RAX: 14e8372085714000 RBX: ffffffff85430a80 RCX: ffff8881002d62c0 [ 50.684917][ T424] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 50.692984][ T424] RBP: ffffc90000ef7aa0 R08: ffffffff8153a998 R09: fffff520001dee75 [ 50.701123][ T424] R10: fffff520001dee75 R11: 1ffff920001dee74 R12: ffffffff86139880 [ 50.709257][ T424] R13: ffffffff86139880 R14: 0000000000000000 R15: 0000000000000000 [ 50.717306][ T424] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 50.727116][ T424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.733771][ T424] CR2: 00007fa740c34028 CR3: 000000010cd61000 CR4: 00000000003506a0 [ 50.741768][ T424] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.749758][ T424] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.757841][ T424] Call Trace: [ 50.761119][ T424] sysfs_remove_group+0x113/0x2b0 [ 50.766154][ T424] sysfs_remove_groups+0x5b/0xb0 [ 50.771080][ T424] device_remove_attrs+0xe4/0x130 [ 50.776116][ T424] device_del+0x6cb/0xf90 [ 50.780435][ T424] ? kill_device+0xd0/0xd0 [ 50.784829][ T424] del_gendisk+0xbf2/0xe20 [ 50.789299][ T424] ? device_add_disk_no_queue_reg+0x30/0x30 [ 50.795208][ T424] ? __radix_tree_delete+0x2ba/0x380 [ 50.800471][ T424] ? radix_tree_delete_item+0x261/0x360 [ 50.806027][ T424] loop_remove+0x46/0xb0 [ 50.810374][ T424] loop_control_ioctl+0x67f/0x740 [ 50.815415][ T424] ? loop_remove+0xb0/0xb0 [ 50.819841][ T424] ? __fget_files+0x310/0x370 [ 50.824508][ T424] ? security_file_ioctl+0xb1/0xd0 [ 50.829665][ T424] ? loop_remove+0xb0/0xb0 [ 50.834069][ T424] __se_sys_ioctl+0x115/0x190 [ 50.838776][ T424] __x64_sys_ioctl+0x7b/0x90 [ 50.843354][ T424] do_syscall_64+0x34/0x70 [ 50.847794][ T424] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.853685][ T424] RIP: 0033:0x7fa740b210e9 [ 50.858142][ 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 [ 50.877775][ T424] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 50.886288][ T424] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 50.894339][ T424] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 50.902749][ T424] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 50.911574][ T424] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 50.920139][ T424] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 50.928421][ T424] ---[ end trace 5dbc6bf4f09d0132 ]--- [ 50.933854][ T424] ------------[ cut here ]------------ [ 50.939416][ T424] kernfs: can not remove 'capability', no directory [ 50.946195][ T424] WARNING: CPU: 1 PID: 424 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 50.955749][ T424] Modules linked in: [ 50.959926][ T424] CPU: 1 PID: 424 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 50.972117][ T424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.982201][ T424] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 50.988365][ T424] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 51.008250][ T424] RSP: 0018:ffffc90000ef7a88 EFLAGS: 00010246 [ 51.014293][ T424] RAX: 14e8372085714000 RBX: ffffffff85430ac0 RCX: ffff8881002d62c0 [ 51.022273][ T424] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 51.030249][ T424] RBP: ffffc90000ef7aa0 R08: ffffffff8153a998 R09: ffffed103ee6a5d8 [ 51.038221][ T424] R10: ffffed103ee6a5d8 R11: 1ffff1103ee6a5d7 R12: ffffffff86139888 [ 51.046193][ T424] R13: ffffffff86139888 R14: 0000000000000000 R15: 0000000000000000 [ 51.054151][ T424] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 51.064075][ T424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.070692][ T424] CR2: 00007fa740c34028 CR3: 000000010cd61000 CR4: 00000000003506a0 [ 51.078677][ T424] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.086663][ T424] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.094618][ T424] Call Trace: [ 51.097913][ T424] sysfs_remove_group+0x113/0x2b0 [ 51.103188][ T424] sysfs_remove_groups+0x5b/0xb0 [ 51.108137][ T424] device_remove_attrs+0xe4/0x130 [ 51.113150][ T424] device_del+0x6cb/0xf90 [ 51.117521][ T424] ? kill_device+0xd0/0xd0 [ 51.121928][ T424] del_gendisk+0xbf2/0xe20 [ 51.126454][ T424] ? device_add_disk_no_queue_reg+0x30/0x30 [ 51.132344][ T424] ? __radix_tree_delete+0x2ba/0x380 [ 51.137653][ T424] ? radix_tree_delete_item+0x261/0x360 [ 51.143193][ T424] loop_remove+0x46/0xb0 [ 51.147449][ T424] loop_control_ioctl+0x67f/0x740 [ 51.152454][ T424] ? loop_remove+0xb0/0xb0 [ 51.156876][ T424] ? __fget_files+0x310/0x370 [ 51.161558][ T424] ? security_file_ioctl+0xb1/0xd0 [ 51.166739][ T424] ? loop_remove+0xb0/0xb0 [ 51.171168][ T424] __se_sys_ioctl+0x115/0x190 [ 51.176064][ T424] __x64_sys_ioctl+0x7b/0x90 [ 51.180644][ T424] do_syscall_64+0x34/0x70 [ 51.185090][ T424] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.190971][ T424] RIP: 0033:0x7fa740b210e9 [ 51.195397][ 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 [ 51.215127][ T424] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 51.223889][ T424] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 51.232002][ T424] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 51.240078][ T424] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 51.248196][ T424] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 51.256262][ T424] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 51.264225][ T424] ---[ end trace 5dbc6bf4f09d0133 ]--- [ 51.269689][ T424] ------------[ cut here ]------------ [ 51.275148][ T424] kernfs: can not remove 'stat', no directory [ 51.281262][ T424] WARNING: CPU: 1 PID: 424 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 51.290888][ T424] Modules linked in: [ 51.294770][ T424] CPU: 1 PID: 424 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 51.306948][ T424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.317026][ T424] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 51.323151][ T424] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 51.342865][ T424] RSP: 0018:ffffc90000ef7a88 EFLAGS: 00010246 [ 51.348949][ T424] RAX: 14e8372085714000 RBX: ffffffff85430b00 RCX: ffff8881002d62c0 [ 51.357216][ T424] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 51.366214][ T424] RBP: ffffc90000ef7aa0 R08: ffffffff8153a998 R09: ffffed103ee64e83 [ 51.374255][ T424] R10: ffffed103ee64e83 R11: 1ffff1103ee64e82 R12: ffffffff86139890 [ 51.382420][ T424] R13: ffffffff86139890 R14: 0000000000000000 R15: 0000000000000000 [ 51.390676][ T424] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 51.399629][ T424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.407336][ T424] CR2: 00007fa740c34028 CR3: 000000010cd61000 CR4: 00000000003506a0 [ 51.415327][ T424] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.423532][ T424] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.431652][ T424] Call Trace: [ 51.434948][ T424] sysfs_remove_group+0x113/0x2b0 [ 51.439949][ T424] sysfs_remove_groups+0x5b/0xb0 [ 51.445026][ T424] device_remove_attrs+0xe4/0x130 [ 51.450045][ T424] device_del+0x6cb/0xf90 [ 51.454351][ T424] ? kill_device+0xd0/0xd0 [ 51.459063][ T424] del_gendisk+0xbf2/0xe20 [ 51.463532][ T424] ? device_add_disk_no_queue_reg+0x30/0x30 [ 51.469495][ T424] ? __radix_tree_delete+0x2ba/0x380 [ 51.474772][ T424] ? radix_tree_delete_item+0x261/0x360 [ 51.480338][ T424] loop_remove+0x46/0xb0 [ 51.484566][ T424] loop_control_ioctl+0x67f/0x740 [ 51.489610][ T424] ? loop_remove+0xb0/0xb0 [ 51.494014][ T424] ? __fget_files+0x310/0x370 [ 51.498886][ T424] ? security_file_ioctl+0xb1/0xd0 [ 51.504088][ T424] ? loop_remove+0xb0/0xb0 [ 51.508528][ T424] __se_sys_ioctl+0x115/0x190 [ 51.513206][ T424] __x64_sys_ioctl+0x7b/0x90 [ 51.517833][ T424] do_syscall_64+0x34/0x70 [ 51.522255][ T424] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.528190][ T424] RIP: 0033:0x7fa740b210e9 [ 51.532596][ 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 [ 51.552230][ T424] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 51.560682][ T424] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 51.568760][ T424] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 51.576786][ T424] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 51.585219][ T424] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 51.594167][ T424] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 51.602202][ T424] ---[ end trace 5dbc6bf4f09d0134 ]--- [ 51.607706][ T424] ------------[ cut here ]------------ [ 51.613226][ T424] kernfs: can not remove 'inflight', no directory [ 51.619761][ T424] WARNING: CPU: 1 PID: 424 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 51.629395][ T424] Modules linked in: [ 51.633277][ T424] CPU: 1 PID: 424 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 51.645518][ T424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.655633][ T424] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 51.661861][ T424] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 51.681950][ T424] RSP: 0018:ffffc90000ef7a88 EFLAGS: 00010246 [ 51.688050][ T424] RAX: 14e8372085714000 RBX: ffffffff85430b20 RCX: ffff8881002d62c0 [ 51.696205][ T424] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 51.704224][ T424] RBP: ffffc90000ef7aa0 R08: ffffffff8153a998 R09: fffff520001dee75 [ 51.712301][ T424] R10: fffff520001dee75 R11: 1ffff920001dee74 R12: ffffffff86139898 [ 51.720697][ T424] R13: ffffffff86139898 R14: 0000000000000000 R15: 0000000000000000 [ 51.728795][ T424] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 51.738011][ T424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.745124][ T424] CR2: 00007fa740c34028 CR3: 000000010cd61000 CR4: 00000000003506a0 [ 51.753615][ T424] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.761716][ T424] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.769873][ T424] Call Trace: [ 51.773224][ T424] sysfs_remove_group+0x113/0x2b0 [ 51.778511][ T424] sysfs_remove_groups+0x5b/0xb0 [ 51.783527][ T424] device_remove_attrs+0xe4/0x130 [ 51.788665][ T424] device_del+0x6cb/0xf90 [ 51.792982][ T424] ? kill_device+0xd0/0xd0 [ 51.797580][ T424] del_gendisk+0xbf2/0xe20 [ 51.801995][ T424] ? device_add_disk_no_queue_reg+0x30/0x30 [ 51.807923][ T424] ? __radix_tree_delete+0x2ba/0x380 [ 51.813222][ T424] ? radix_tree_delete_item+0x261/0x360 [ 51.818991][ T424] loop_remove+0x46/0xb0 [ 51.823233][ T424] loop_control_ioctl+0x67f/0x740 [ 51.828539][ T424] ? loop_remove+0xb0/0xb0 [ 51.833090][ T424] ? __fget_files+0x310/0x370 [ 51.837816][ T424] ? security_file_ioctl+0xb1/0xd0 [ 51.843110][ T424] ? loop_remove+0xb0/0xb0 [ 51.847614][ T424] __se_sys_ioctl+0x115/0x190 [ 51.852283][ T424] __x64_sys_ioctl+0x7b/0x90 [ 51.856923][ T424] do_syscall_64+0x34/0x70 [ 51.861342][ T424] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.867286][ T424] RIP: 0033:0x7fa740b210e9 [ 51.871804][ 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 [ 51.892018][ T424] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 51.900463][ T424] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 51.909054][ T424] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 51.917060][ T424] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 51.925104][ T424] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 51.933298][ T424] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 51.941360][ T424] ---[ end trace 5dbc6bf4f09d0135 ]--- [ 51.946967][ T424] ------------[ cut here ]------------ [ 51.952411][ T424] kernfs: can not remove 'badblocks', no directory [ 51.959018][ T424] WARNING: CPU: 1 PID: 424 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 51.968598][ T424] Modules linked in: [ 51.972484][ T424] CPU: 1 PID: 424 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 51.984738][ T424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.995920][ T424] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 52.002045][ T424] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 52.021757][ T424] RSP: 0018:ffffc90000ef7a88 EFLAGS: 00010246 [ 52.027860][ T424] RAX: 14e8372085714000 RBX: ffffffff85430960 RCX: ffff8881002d62c0 [ 52.035873][ T424] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 52.043926][ T424] RBP: ffffc90000ef7aa0 R08: ffffffff8153a998 R09: fffff520001dee75 [ 52.051920][ T424] R10: fffff520001dee75 R11: 1ffff920001dee74 R12: ffffffff861398a0 [ 52.059926][ T424] R13: ffffffff861398a0 R14: 0000000000000000 R15: 0000000000000000 [ 52.068002][ T424] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 52.077022][ T424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.083585][ T424] CR2: 00007fa740c34028 CR3: 000000010cd61000 CR4: 00000000003506a0 [ 52.091658][ T424] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 52.099645][ T424] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 52.107976][ T424] Call Trace: [ 52.111253][ T424] sysfs_remove_group+0x113/0x2b0 [ 52.116280][ T424] sysfs_remove_groups+0x5b/0xb0 [ 52.121370][ T424] device_remove_attrs+0xe4/0x130 [ 52.126447][ T424] device_del+0x6cb/0xf90 [ 52.130767][ T424] ? kill_device+0xd0/0xd0 [ 52.135201][ T424] del_gendisk+0xbf2/0xe20 [ 52.139869][ T424] ? device_add_disk_no_queue_reg+0x30/0x30 [ 52.145781][ T424] ? __radix_tree_delete+0x2ba/0x380 [ 52.151060][ T424] ? radix_tree_delete_item+0x261/0x360 [ 52.156636][ T424] loop_remove+0x46/0xb0 [ 52.160869][ T424] loop_control_ioctl+0x67f/0x740 [ 52.165902][ T424] ? loop_remove+0xb0/0xb0 [ 52.170308][ T424] ? __fget_files+0x310/0x370 [ 52.175108][ T424] ? security_file_ioctl+0xb1/0xd0 [ 52.180251][ T424] ? loop_remove+0xb0/0xb0 [ 52.184657][ T424] __se_sys_ioctl+0x115/0x190 [ 52.189384][ T424] __x64_sys_ioctl+0x7b/0x90 [ 52.193973][ T424] do_syscall_64+0x34/0x70 [ 52.198404][ T424] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.204286][ T424] RIP: 0033:0x7fa740b210e9 [ 52.209018][ 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 [ 52.228853][ T424] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 52.237466][ T424] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 52.245459][ T424] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 52.253409][ T424] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 52.261398][ T424] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 52.269370][ T424] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 52.277351][ T424] ---[ end trace 5dbc6bf4f09d0136 ]--- [ 52.282877][ T424] ------------[ cut here ]------------ [ 52.288357][ T424] kernfs: can not remove 'make-it-fail', no directory [ 52.295336][ T424] WARNING: CPU: 1 PID: 424 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 52.304842][ T424] Modules linked in: [ 52.308795][ T424] CPU: 1 PID: 424 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 52.321090][ T424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.331184][ T424] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 52.337340][ T424] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 52.357089][ T424] RSP: 0018:ffffc90000ef7a88 EFLAGS: 00010246 [ 52.363175][ T424] RAX: 14e8372085714000 RBX: ffffffff85430b40 RCX: ffff8881002d62c0 [ 52.371201][ T424] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 52.379409][ T424] RBP: ffffc90000ef7aa0 R08: ffffffff8153a998 R09: ffffed103ee6a5d8 [ 52.387924][ T424] R10: ffffed103ee6a5d8 R11: 1ffff1103ee6a5d7 R12: ffffffff861398a8 [ 52.396007][ T424] R13: ffffffff861398a8 R14: 0000000000000000 R15: 0000000000000000 [ 52.404079][ T424] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 52.413058][ T424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.419666][ T424] CR2: 00007fa740c34028 CR3: 000000010cd61000 CR4: 00000000003506a0 [ 52.427975][ T424] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 52.435964][ T424] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 52.443910][ T424] Call Trace: [ 52.447223][ T424] sysfs_remove_group+0x113/0x2b0 [ 52.452337][ T424] sysfs_remove_groups+0x5b/0xb0 [ 52.457322][ T424] device_remove_attrs+0xe4/0x130 [ 52.462342][ T424] device_del+0x6cb/0xf90 [ 52.466748][ T424] ? kill_device+0xd0/0xd0 [ 52.471152][ T424] del_gendisk+0xbf2/0xe20 [ 52.475691][ T424] ? device_add_disk_no_queue_reg+0x30/0x30 [ 52.481741][ T424] ? __radix_tree_delete+0x2ba/0x380 [ 52.487241][ T424] ? radix_tree_delete_item+0x261/0x360 [ 52.492864][ T424] loop_remove+0x46/0xb0 [ 52.497131][ T424] loop_control_ioctl+0x67f/0x740 [ 52.502138][ T424] ? loop_remove+0xb0/0xb0 [ 52.506654][ T424] ? __fget_files+0x310/0x370 [ 52.511331][ T424] ? security_file_ioctl+0xb1/0xd0 [ 52.516475][ T424] ? loop_remove+0xb0/0xb0 [ 52.520899][ T424] __se_sys_ioctl+0x115/0x190 [ 52.525602][ T424] __x64_sys_ioctl+0x7b/0x90 [ 52.530621][ T424] do_syscall_64+0x34/0x70 [ 52.535108][ T424] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.541092][ T424] RIP: 0033:0x7fa740b210e9 [ 52.545809][ 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 [ 52.566687][ T424] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 52.575561][ T424] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 52.583789][ T424] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 52.591813][ T424] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 52.599808][ T424] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 52.609052][ T424] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 52.617833][ T424] ---[ end trace 5dbc6bf4f09d0137 ]--- [ 52.623274][ T424] ------------[ cut here ]------------ [ 52.628752][ T424] kernfs: can not remove 'io-timeout-fail', no directory [ 52.635943][ T424] WARNING: CPU: 1 PID: 424 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 52.645530][ T424] Modules linked in: [ 52.649436][ T424] CPU: 1 PID: 424 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 52.661836][ T424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.672311][ T424] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 52.678545][ T424] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 52.699113][ T424] RSP: 0018:ffffc90000ef7a88 EFLAGS: 00010246 [ 52.705313][ T424] RAX: 14e8372085714000 RBX: ffffffff85430b60 RCX: ffff8881002d62c0 [ 52.713464][ T424] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 52.721561][ T424] RBP: ffffc90000ef7aa0 R08: ffffffff8153a998 R09: ffffed103ee6a5d8 [ 52.729731][ T424] R10: ffffed103ee6a5d8 R11: 1ffff1103ee6a5d7 R12: ffffffff861398b0 [ 52.737922][ T424] R13: ffffffff861398b0 R14: 0000000000000000 R15: 0000000000000000 [ 52.746020][ T424] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 52.755152][ T424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.761817][ T424] CR2: 00007fa740c34028 CR3: 000000010cd61000 CR4: 00000000003506a0 [ 52.769820][ T424] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 52.777914][ T424] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 52.785888][ T424] Call Trace: [ 52.789165][ T424] sysfs_remove_group+0x113/0x2b0 [ 52.794525][ T424] sysfs_remove_groups+0x5b/0xb0 [ 52.799663][ T424] device_remove_attrs+0xe4/0x130 [ 52.804994][ T424] device_del+0x6cb/0xf90 [ 52.809460][ T424] ? kill_device+0xd0/0xd0 [ 52.813856][ T424] del_gendisk+0xbf2/0xe20 [ 52.818480][ T424] ? device_add_disk_no_queue_reg+0x30/0x30 [ 52.824372][ T424] ? __radix_tree_delete+0x2ba/0x380 [ 52.829879][ T424] ? radix_tree_delete_item+0x261/0x360 [ 52.835491][ T424] loop_remove+0x46/0xb0 [ 52.839980][ T424] loop_control_ioctl+0x67f/0x740 [ 52.845003][ T424] ? loop_remove+0xb0/0xb0 [ 52.849550][ T424] ? __fget_files+0x310/0x370 [ 52.854312][ T424] ? security_file_ioctl+0xb1/0xd0 [ 52.859487][ T424] ? loop_remove+0xb0/0xb0 [ 52.864033][ T424] __se_sys_ioctl+0x115/0x190 [ 52.868827][ T424] __x64_sys_ioctl+0x7b/0x90 [ 52.873528][ T424] do_syscall_64+0x34/0x70 [ 52.878335][ T424] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.884229][ T424] RIP: 0033:0x7fa740b210e9 [ 52.888666][ 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 [ 52.908408][ T424] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 52.917152][ T424] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 52.925195][ T424] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 52.933243][ T424] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 52.941854][ T424] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 2022/05/24 23:40:16 executed programs: 6 [ 52.949966][ T424] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 52.957966][ T424] ---[ end trace 5dbc6bf4f09d0138 ]--- [ 53.009618][ T427] FAULT_INJECTION: forcing a failure. [ 53.009618][ T427] name failslab, interval 1, probability 0, space 0, times 0 [ 53.022385][ T427] CPU: 1 PID: 427 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 53.034511][ T427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.044553][ T427] Call Trace: [ 53.047823][ T427] dump_stack_lvl+0x1e2/0x24b [ 53.052489][ T427] ? bfq_pos_tree_add_move+0x43e/0x43e [ 53.057928][ T427] dump_stack+0x15/0x17 [ 53.062162][ T427] should_fail+0x3c0/0x510 [ 53.066578][ T427] ? __kernfs_new_node+0x99/0x6e0 [ 53.071578][ T427] __should_failslab+0x9f/0xe0 [ 53.076318][ T427] should_failslab+0x9/0x20 [ 53.080798][ T427] __kmalloc_track_caller+0x5f/0x350 [ 53.086055][ T427] ? __kernel_text_address+0x9a/0x110 [ 53.091582][ T427] ? unwind_get_return_address+0x4c/0x90 [ 53.097186][ T427] kstrdup_const+0x55/0x90 [ 53.101668][ T427] __kernfs_new_node+0x99/0x6e0 [ 53.106494][ T427] ? stack_trace_save+0x12d/0x1f0 [ 53.111613][ T427] ? kernfs_new_node+0x170/0x170 [ 53.116545][ T427] ? stack_trace_snprint+0x100/0x100 [ 53.121839][ T427] ? dput+0x2ce/0x320 [ 53.125804][ T427] ? device_add+0xbe/0xbd0 [ 53.130202][ T427] kernfs_create_dir_ns+0x9b/0x230 [ 53.135288][ T427] sysfs_create_dir_ns+0x181/0x390 [ 53.140374][ T427] ? sysfs_warn_dup+0xa0/0xa0 [ 53.145027][ T427] kobject_add_internal+0x766/0xda0 [ 53.150303][ T427] kobject_add+0x14c/0x210 [ 53.154696][ T427] ? _raw_spin_lock+0xa3/0x1b0 [ 53.159433][ T427] ? kobject_init+0x1e0/0x1e0 [ 53.164085][ T427] ? __kasan_check_write+0x14/0x20 [ 53.169522][ T427] ? mutex_unlock+0x1d/0x40 [ 53.174278][ T427] ? get_device_parent+0x2c5/0x430 [ 53.179402][ T427] device_add+0x3ca/0xbd0 [ 53.183725][ T427] __device_add_disk+0x77d/0x11d0 [ 53.188728][ T427] ? device_add_disk+0x40/0x40 [ 53.193536][ T427] ? vsprintf+0x40/0x40 [ 53.197738][ T427] device_add_disk+0x2a/0x40 [ 53.202322][ T427] loop_add+0x58f/0x760 [ 53.206677][ T427] loop_control_ioctl+0x564/0x740 [ 53.211780][ T427] ? loop_remove+0xb0/0xb0 [ 53.216452][ T427] ? __fget_files+0x310/0x370 [ 53.221193][ T427] ? security_file_ioctl+0xb1/0xd0 [ 53.226282][ T427] ? loop_remove+0xb0/0xb0 [ 53.230676][ T427] __se_sys_ioctl+0x115/0x190 [ 53.235325][ T427] __x64_sys_ioctl+0x7b/0x90 [ 53.239892][ T427] do_syscall_64+0x34/0x70 [ 53.244380][ T427] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.250251][ T427] RIP: 0033:0x7fa740b210e9 [ 53.254832][ T427] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 53.274764][ T427] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 53.283172][ T427] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 53.291143][ T427] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 53.299109][ T427] RBP: 00007fa740a971d0 R08: 0000000000000000 R09: 0000000000000000 [ 53.307188][ T427] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 53.315247][ T427] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 53.323675][ T427] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 53.331750][ T427] kobject_add_internal failed for queue (error: -2 parent: loop0) [ 53.340090][ T427] ------------[ cut here ]------------ [ 53.345680][ T427] WARNING: CPU: 0 PID: 427 at fs/sysfs/file.c:328 sysfs_create_files+0x215/0x4a0 [ 53.355080][ T427] Modules linked in: [ 53.359135][ T427] CPU: 0 PID: 427 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 53.371542][ T427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.381884][ T427] RIP: 0010:sysfs_create_files+0x215/0x4a0 [ 53.387954][ T427] Code: 24 04 48 b9 00 00 00 00 00 fc ff df 48 8b 54 24 08 4c 8b 74 24 20 eb 2b 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 e8 bb f2 9a ff <0f> 0b c7 44 24 04 ea ff ff ff 48 b9 00 00 00 00 00 fc ff df 48 8b [ 53.408004][ T427] RSP: 0018:ffffc90000ef7ae0 EFLAGS: 00010293 [ 53.414224][ T427] RAX: ffffffff81d1c011 RBX: ffff88810e8eb098 RCX: ffff88810c2962c0 [ 53.422409][ T427] RDX: 0000000000000000 RSI: ffffffff86139660 RDI: ffff88810e8eb068 [ 53.430624][ T427] RBP: ffffc90000ef7bb0 R08: ffffffff826b9538 R09: ffffed102151335a [ 53.438841][ T427] R10: ffffed102151335a R11: 1ffff11021513359 R12: 0000000000000000 [ 53.447133][ T427] R13: ffffffff854306a0 R14: ffff88810e8eb068 R15: ffffffff86139660 [ 53.455414][ T427] FS: 00007fa740a97700(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 53.464596][ T427] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.472490][ T427] CR2: 0000560e4db28b00 CR3: 000000010ed16000 CR4: 00000000003506b0 [ 53.481057][ T427] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.489111][ T427] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.497133][ T427] Call Trace: [ 53.500433][ T427] ? sysfs_create_file_ns+0x2a0/0x2a0 [ 53.505843][ T427] ? __kasan_check_write+0x14/0x20 [ 53.510979][ T427] ? kobject_get+0xd2/0x120 [ 53.515512][ T427] __device_add_disk+0x9cb/0x11d0 [ 53.520648][ T427] ? device_add_disk+0x40/0x40 [ 53.525449][ T427] ? vsprintf+0x40/0x40 [ 53.529624][ T427] device_add_disk+0x2a/0x40 [ 53.534224][ T427] loop_add+0x58f/0x760 [ 53.538421][ T427] loop_control_ioctl+0x564/0x740 [ 53.543491][ T427] ? loop_remove+0xb0/0xb0 [ 53.547949][ T427] ? __fget_files+0x310/0x370 [ 53.552650][ T427] ? security_file_ioctl+0xb1/0xd0 [ 53.557801][ T427] ? loop_remove+0xb0/0xb0 [ 53.562240][ T427] __se_sys_ioctl+0x115/0x190 [ 53.566953][ T427] __x64_sys_ioctl+0x7b/0x90 [ 53.571607][ T427] do_syscall_64+0x34/0x70 [ 53.576315][ T427] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.582221][ T427] RIP: 0033:0x7fa740b210e9 [ 53.586798][ T427] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 53.606893][ T427] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 53.615600][ T427] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 53.623582][ T427] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 53.631580][ T427] RBP: 00007fa740a971d0 R08: 0000000000000000 R09: 0000000000000000 [ 53.639576][ T427] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 53.647768][ T427] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 53.655922][ T427] ---[ end trace 5dbc6bf4f09d0139 ]--- [ 53.661454][ T427] ------------[ cut here ]------------ [ 53.666941][ T427] kernfs: can not remove 'events', no directory [ 53.673257][ T427] WARNING: CPU: 1 PID: 427 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 53.682816][ T427] Modules linked in: [ 53.686742][ T427] CPU: 1 PID: 427 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 53.699348][ T427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.710397][ T427] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 53.717362][ T427] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 53.737069][ T427] RSP: 0018:ffffc90000ef7ab8 EFLAGS: 00010246 [ 53.743119][ T427] RAX: 21f914d5d10a0a00 RBX: ffffffff85430680 RCX: ffff88810c2962c0 [ 53.751107][ T427] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 53.759573][ T427] RBP: ffffc90000ef7ad0 R08: ffffffff8153a998 R09: ffffed103ee6a5d8 [ 53.767583][ T427] R10: ffffed103ee6a5d8 R11: 1ffff1103ee6a5d7 R12: ffffffff86139660 [ 53.776340][ T427] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 53.784648][ T427] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 53.793599][ T427] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.800207][ T427] CR2: 00007fa740a96ff8 CR3: 000000010ed16000 CR4: 00000000003506a0 [ 53.808240][ T427] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.816501][ T427] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.824690][ T427] Call Trace: [ 53.828192][ T427] sysfs_create_files+0x40a/0x4a0 [ 53.833242][ T427] ? sysfs_create_file_ns+0x2a0/0x2a0 [ 53.838633][ T427] ? __kasan_check_write+0x14/0x20 [ 53.843927][ T427] ? kobject_get+0xd2/0x120 [ 53.848471][ T427] __device_add_disk+0x9cb/0x11d0 [ 53.853504][ T427] ? device_add_disk+0x40/0x40 [ 53.858281][ T427] ? vsprintf+0x40/0x40 [ 53.862437][ T427] device_add_disk+0x2a/0x40 [ 53.867435][ T427] loop_add+0x58f/0x760 [ 53.871609][ T427] loop_control_ioctl+0x564/0x740 [ 53.876756][ T427] ? loop_remove+0xb0/0xb0 [ 53.881169][ T427] ? __fget_files+0x310/0x370 [ 53.885993][ T427] ? security_file_ioctl+0xb1/0xd0 [ 53.891630][ T427] ? loop_remove+0xb0/0xb0 [ 53.896380][ T427] __se_sys_ioctl+0x115/0x190 [ 53.901070][ T427] __x64_sys_ioctl+0x7b/0x90 [ 53.905764][ T427] do_syscall_64+0x34/0x70 [ 53.910541][ T427] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.916568][ T427] RIP: 0033:0x7fa740b210e9 [ 53.921190][ T427] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 53.942812][ T427] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 53.951782][ T427] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 53.959849][ T427] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 53.968284][ T427] RBP: 00007fa740a971d0 R08: 0000000000000000 R09: 0000000000000000 [ 53.976439][ T427] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 53.984494][ T427] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 53.992509][ T427] ---[ end trace 5dbc6bf4f09d013a ]--- [ 53.997983][ T427] loop0: failed to create sysfs files for events [ 54.007804][ T430] ------------[ cut here ]------------ [ 54.013315][ T430] kernfs: can not remove 'events', no directory [ 54.019921][ T430] WARNING: CPU: 1 PID: 430 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 54.029542][ T430] Modules linked in: [ 54.033441][ T430] CPU: 1 PID: 430 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 54.045730][ T430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.055939][ T430] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 54.062284][ T430] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 54.082429][ T430] RSP: 0018:ffffc90000ef7bf8 EFLAGS: 00010246 [ 54.088657][ T430] RAX: ffbdcb239c8a1e00 RBX: ffffffff85430680 RCX: ffff88810c294f00 [ 54.096764][ T430] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 54.104733][ T430] RBP: ffffc90000ef7c10 R08: ffffffff8153a998 R09: ffffed103ee6a5d8 [ 54.113018][ T430] R10: ffffed103ee6a5d8 R11: 1ffff1103ee6a5d7 R12: 0000000000000000 [ 54.121121][ T430] R13: ffffffff86139660 R14: 0000000000000000 R15: 0000000000000000 [ 54.129153][ T430] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 54.138120][ T430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.144706][ T430] CR2: 00007fa740a75ff8 CR3: 000000010ec8c000 CR4: 00000000003506a0 [ 54.152712][ T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.160709][ T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.168832][ T430] Call Trace: [ 54.172174][ T430] sysfs_remove_files+0xab/0x110 [ 54.177347][ T430] del_gendisk+0x278/0xe20 [ 54.181814][ T430] ? device_add_disk_no_queue_reg+0x30/0x30 [ 54.187749][ T430] ? __radix_tree_delete+0x2ba/0x380 [ 54.193495][ T430] ? radix_tree_delete_item+0x261/0x360 [ 54.199273][ T430] loop_remove+0x46/0xb0 [ 54.203816][ T430] loop_control_ioctl+0x67f/0x740 [ 54.209494][ T430] ? loop_remove+0xb0/0xb0 [ 54.214328][ T430] ? __fget_files+0x310/0x370 [ 54.219081][ T430] ? security_file_ioctl+0xb1/0xd0 [ 54.224420][ T430] ? loop_remove+0xb0/0xb0 [ 54.229013][ T430] __se_sys_ioctl+0x115/0x190 [ 54.234567][ T430] __x64_sys_ioctl+0x7b/0x90 [ 54.239657][ T430] do_syscall_64+0x34/0x70 [ 54.244196][ T430] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.250228][ T430] RIP: 0033:0x7fa740b210e9 [ 54.254768][ 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 [ 54.275455][ T430] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 54.284345][ T430] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 54.292757][ T430] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 54.300872][ T430] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 54.309592][ T430] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 54.317645][ T430] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 54.325987][ T430] ---[ end trace 5dbc6bf4f09d013b ]--- [ 54.331472][ T430] ------------[ cut here ]------------ [ 54.337133][ T430] kernfs: can not remove 'events_async', no directory [ 54.344556][ T430] WARNING: CPU: 0 PID: 430 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 54.354626][ T430] Modules linked in: [ 54.358600][ T430] CPU: 1 PID: 430 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 54.371173][ T430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.381332][ T430] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 54.387710][ T430] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 54.407639][ T430] RSP: 0018:ffffc90000ef7bf8 EFLAGS: 00010246 [ 54.413729][ T430] RAX: ffbdcb239c8a1e00 RBX: ffffffff85430760 RCX: ffff88810c294f00 [ 54.421738][ T430] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 54.429759][ T430] RBP: ffffc90000ef7c10 R08: ffffffff8153a998 R09: ffffed103ee44e83 [ 54.437768][ T430] R10: ffffed103ee44e83 R11: 1ffff1103ee44e82 R12: 0000000000000000 [ 54.445762][ T430] R13: ffffffff86139660 R14: 0000000000000000 R15: 0000000000000000 [ 54.453752][ T430] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 54.462718][ T430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.469545][ T430] CR2: 00007fa740a75ff8 CR3: 000000010ec8c000 CR4: 00000000003506a0 [ 54.477591][ T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.485597][ T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.493570][ T430] Call Trace: [ 54.496891][ T430] sysfs_remove_files+0xab/0x110 [ 54.501851][ T430] del_gendisk+0x278/0xe20 [ 54.506312][ T430] ? device_add_disk_no_queue_reg+0x30/0x30 [ 54.512261][ T430] ? __radix_tree_delete+0x2ba/0x380 [ 54.517587][ T430] ? radix_tree_delete_item+0x261/0x360 [ 54.523331][ T430] loop_remove+0x46/0xb0 [ 54.527945][ T430] loop_control_ioctl+0x67f/0x740 [ 54.533061][ T430] ? loop_remove+0xb0/0xb0 [ 54.537715][ T430] ? __fget_files+0x310/0x370 [ 54.542411][ T430] ? security_file_ioctl+0xb1/0xd0 [ 54.547647][ T430] ? loop_remove+0xb0/0xb0 [ 54.552089][ T430] __se_sys_ioctl+0x115/0x190 [ 54.556781][ T430] __x64_sys_ioctl+0x7b/0x90 [ 54.561390][ T430] do_syscall_64+0x34/0x70 [ 54.565843][ T430] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.571748][ T430] RIP: 0033:0x7fa740b210e9 [ 54.576184][ 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 [ 54.595843][ T430] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 54.604480][ T430] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 54.612533][ T430] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 54.620764][ T430] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 54.629781][ T430] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 54.638220][ T430] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 54.646539][ T430] ---[ end trace 5dbc6bf4f09d013c ]--- [ 54.652025][ T430] ------------[ cut here ]------------ [ 54.657784][ T430] kernfs: can not remove 'events_poll_msecs', no directory [ 54.665386][ T430] WARNING: CPU: 1 PID: 430 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 54.675125][ T430] Modules linked in: [ 54.679058][ T430] CPU: 1 PID: 430 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 54.691299][ T430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.692237][ T23] audit: type=1400 audit(1653435617.900:161): avc: denied { unlink } for pid=142 comm="syslogd" name="messages.0" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 54.701405][ T430] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 54.701424][ T430] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 54.749453][ T430] RSP: 0018:ffffc90000ef7bf8 EFLAGS: 00010246 [ 54.755553][ T430] RAX: ffbdcb239c8a1e00 RBX: ffffffff854307c0 RCX: ffff88810c294f00 [ 54.763654][ T430] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 54.771647][ T430] RBP: ffffc90000ef7c10 R08: ffffffff8153a998 R09: ffffed103ee6a5d8 [ 54.779637][ T430] R10: ffffed103ee6a5d8 R11: 1ffff1103ee6a5d7 R12: 0000000000000000 [ 54.787622][ T430] R13: ffffffff86139660 R14: 0000000000000000 R15: 0000000000000000 [ 54.795715][ T430] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 54.804911][ T430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.811653][ T430] CR2: 00007fa740a75ff8 CR3: 000000010ec8c000 CR4: 00000000003506a0 [ 54.819635][ T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.827624][ T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.835597][ T430] Call Trace: [ 54.838878][ T430] sysfs_remove_files+0xab/0x110 [ 54.843885][ T430] del_gendisk+0x278/0xe20 [ 54.848375][ T430] ? device_add_disk_no_queue_reg+0x30/0x30 [ 54.854267][ T430] ? __radix_tree_delete+0x2ba/0x380 [ 54.859587][ T430] ? radix_tree_delete_item+0x261/0x360 [ 54.865166][ T430] loop_remove+0x46/0xb0 [ 54.869444][ T430] loop_control_ioctl+0x67f/0x740 [ 54.874472][ T430] ? loop_remove+0xb0/0xb0 [ 54.878911][ T430] ? __fget_files+0x310/0x370 [ 54.883588][ T430] ? security_file_ioctl+0xb1/0xd0 [ 54.888915][ T430] ? loop_remove+0xb0/0xb0 [ 54.893423][ T430] __se_sys_ioctl+0x115/0x190 [ 54.898163][ T430] __x64_sys_ioctl+0x7b/0x90 [ 54.903107][ T430] do_syscall_64+0x34/0x70 [ 54.907558][ T430] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.913438][ T430] RIP: 0033:0x7fa740b210e9 [ 54.918053][ 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 [ 54.937690][ T430] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 54.946134][ T430] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 54.954104][ T430] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 54.962099][ T430] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 54.970098][ T430] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 54.978088][ T430] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 54.986064][ T430] ---[ end trace 5dbc6bf4f09d013d ]--- [ 54.991626][ T430] ------------[ cut here ]------------ [ 54.997382][ T430] kernfs: can not remove 'bdi', no directory [ 55.003504][ T430] WARNING: CPU: 1 PID: 430 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 55.013316][ T430] Modules linked in: [ 55.017248][ T430] CPU: 1 PID: 430 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 55.029929][ T430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.040103][ T430] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 55.046378][ T430] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 55.066066][ T430] RSP: 0018:ffffc90000ef7c18 EFLAGS: 00010246 [ 55.072276][ T430] RAX: ffbdcb239c8a1e00 RBX: ffffffff85430060 RCX: ffff88810c294f00 [ 55.080369][ T430] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 55.088504][ T430] RBP: ffffc90000ef7c30 R08: ffffffff8153a998 R09: ffffed103ee6a5d8 [ 55.096669][ T430] R10: ffffed103ee6a5d8 R11: 1ffff1103ee6a5d7 R12: 0000000000000240 [ 55.105541][ T430] R13: ffff88810e8eb030 R14: 0000000000000000 R15: 0000000000000000 [ 55.113524][ T430] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 55.122468][ T430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.129147][ T430] CR2: 00007fa740a75ff8 CR3: 000000010ec8c000 CR4: 00000000003506a0 [ 55.137152][ T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.145135][ T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.153084][ T430] Call Trace: [ 55.156382][ T430] sysfs_remove_link+0x50/0x60 [ 55.161338][ T430] del_gendisk+0x7cd/0xe20 [ 55.166065][ T430] ? device_add_disk_no_queue_reg+0x30/0x30 [ 55.172130][ T430] ? __radix_tree_delete+0x2ba/0x380 [ 55.177853][ T430] ? radix_tree_delete_item+0x261/0x360 [ 55.183569][ T430] loop_remove+0x46/0xb0 [ 55.187993][ T430] loop_control_ioctl+0x67f/0x740 [ 55.193095][ T430] ? loop_remove+0xb0/0xb0 [ 55.197952][ T430] ? __fget_files+0x310/0x370 [ 55.202746][ T430] ? security_file_ioctl+0xb1/0xd0 [ 55.207892][ T430] ? loop_remove+0xb0/0xb0 [ 55.212404][ T430] __se_sys_ioctl+0x115/0x190 [ 55.217100][ T430] __x64_sys_ioctl+0x7b/0x90 [ 55.221918][ T430] do_syscall_64+0x34/0x70 [ 55.226355][ T430] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.232462][ T430] RIP: 0033:0x7fa740b210e9 [ 55.237008][ 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 [ 55.256714][ T430] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 55.265243][ T430] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 55.273219][ T430] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 55.281220][ T430] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 55.289379][ T430] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 55.297638][ T430] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 55.305624][ T430] ---[ end trace 5dbc6bf4f09d013e ]--- [ 55.311394][ T430] ------------[ cut here ]------------ [ 55.317110][ T430] kernfs: can not remove 'dev', no directory [ 55.323153][ T430] WARNING: CPU: 1 PID: 430 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 55.332809][ T430] Modules linked in: [ 55.336752][ T430] CPU: 1 PID: 430 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 55.351094][ T430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.361282][ T430] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 55.367605][ T430] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 55.387851][ T430] RSP: 0018:ffffc90000ef7b08 EFLAGS: 00010246 [ 55.393900][ T430] RAX: ffbdcb239c8a1e00 RBX: ffffffff85519560 RCX: ffff88810c294f00 [ 55.401902][ T430] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 55.410036][ T430] RBP: ffffc90000ef7b20 R08: ffffffff8153a998 R09: ffffed103ee64e83 [ 55.418049][ T430] R10: ffffed103ee64e83 R11: 1ffff1103ee64e82 R12: dffffc0000000000 [ 55.426048][ T430] R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000 [ 55.434025][ T430] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 55.443145][ T430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.449843][ T430] CR2: 00007fa740a75ff8 CR3: 000000010ec8c000 CR4: 00000000003506a0 [ 55.457924][ T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.466016][ T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.474016][ T430] Call Trace: [ 55.477334][ T430] sysfs_remove_file_ns+0x64/0x70 [ 55.482375][ T430] device_del+0x448/0xf90 [ 55.486727][ T430] ? kill_device+0xd0/0xd0 [ 55.491140][ T430] del_gendisk+0xbf2/0xe20 [ 55.495565][ T430] ? device_add_disk_no_queue_reg+0x30/0x30 [ 55.501470][ T430] ? __radix_tree_delete+0x2ba/0x380 [ 55.506776][ T430] ? radix_tree_delete_item+0x261/0x360 [ 55.512408][ T430] loop_remove+0x46/0xb0 [ 55.516693][ T430] loop_control_ioctl+0x67f/0x740 [ 55.521717][ T430] ? loop_remove+0xb0/0xb0 [ 55.526153][ T430] ? __fget_files+0x310/0x370 [ 55.530848][ T430] ? security_file_ioctl+0xb1/0xd0 [ 55.535967][ T430] ? loop_remove+0xb0/0xb0 [ 55.540387][ T430] __se_sys_ioctl+0x115/0x190 [ 55.545167][ T430] __x64_sys_ioctl+0x7b/0x90 [ 55.549751][ T430] do_syscall_64+0x34/0x70 [ 55.554142][ T430] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.560222][ T430] RIP: 0033:0x7fa740b210e9 [ 55.564638][ 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 [ 55.584263][ T430] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 55.592714][ T430] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 55.600738][ T430] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 55.608734][ T430] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 55.616961][ T430] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 55.624949][ T430] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 55.632904][ T430] ---[ end trace 5dbc6bf4f09d013f ]--- [ 55.638367][ T430] ------------[ cut here ]------------ [ 55.643885][ T430] kernfs: can not remove 'waiting_for_supplier', no directory [ 55.651464][ T430] WARNING: CPU: 1 PID: 430 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 55.661155][ T430] Modules linked in: [ 55.665092][ T430] CPU: 1 PID: 430 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 55.677263][ T430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.687355][ T430] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 55.693508][ T430] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 55.713138][ T430] RSP: 0018:ffffc90000ef7ad8 EFLAGS: 00010246 [ 55.719228][ T430] RAX: ffbdcb239c8a1e00 RBX: ffffffff85519b60 RCX: ffff88810c294f00 [ 55.727239][ T430] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 55.735499][ T430] RBP: ffffc90000ef7af0 R08: ffffffff8153a998 R09: fffff520001dee81 [ 55.743599][ T430] R10: fffff520001dee81 R11: 1ffff920001dee80 R12: dffffc0000000000 [ 55.751581][ T430] R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000 [ 55.759908][ T430] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 55.768850][ T430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.775447][ T430] CR2: 00007fa740a75ff8 CR3: 000000010ec8c000 CR4: 00000000003506a0 [ 55.783588][ T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.791698][ T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.799680][ T430] Call Trace: [ 55.802955][ T430] sysfs_remove_file_ns+0x64/0x70 [ 55.808016][ T430] device_remove_attrs+0x74/0x130 [ 55.813039][ T430] device_del+0x6cb/0xf90 [ 55.817378][ T430] ? kill_device+0xd0/0xd0 [ 55.821800][ T430] del_gendisk+0xbf2/0xe20 [ 55.826314][ T430] ? device_add_disk_no_queue_reg+0x30/0x30 [ 55.832361][ T430] ? __radix_tree_delete+0x2ba/0x380 [ 55.837797][ T430] ? radix_tree_delete_item+0x261/0x360 [ 55.843353][ T430] loop_remove+0x46/0xb0 [ 55.847873][ T430] loop_control_ioctl+0x67f/0x740 [ 55.853038][ T430] ? loop_remove+0xb0/0xb0 [ 55.857475][ T430] ? __fget_files+0x310/0x370 [ 55.862156][ T430] ? security_file_ioctl+0xb1/0xd0 [ 55.867279][ T430] ? loop_remove+0xb0/0xb0 [ 55.871693][ T430] __se_sys_ioctl+0x115/0x190 [ 55.876380][ T430] __x64_sys_ioctl+0x7b/0x90 [ 55.881061][ T430] do_syscall_64+0x34/0x70 [ 55.885491][ T430] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.892097][ T430] RIP: 0033:0x7fa740b210e9 [ 55.896608][ 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 [ 55.916492][ T430] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 55.925103][ T430] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 55.933514][ T430] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 55.941505][ T430] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 55.949700][ T430] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 55.957839][ T430] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 55.965833][ T430] ---[ end trace 5dbc6bf4f09d0140 ]--- [ 55.971385][ T430] ------------[ cut here ]------------ [ 55.976885][ T430] kernfs: can not remove 'online', no directory [ 55.983174][ T430] WARNING: CPU: 1 PID: 430 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 55.992891][ T430] Modules linked in: [ 55.996806][ T430] CPU: 1 PID: 430 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 56.009241][ T430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.019340][ T430] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 56.025603][ T430] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 56.045512][ T430] RSP: 0018:ffffc90000ef7ad8 EFLAGS: 00010246 [ 56.051656][ T430] RAX: ffbdcb239c8a1e00 RBX: ffffffff85519ec0 RCX: ffff88810c294f00 [ 56.061085][ T430] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 56.069214][ T430] RBP: ffffc90000ef7af0 R08: ffffffff8153a998 R09: ffffed103ee6a5d8 [ 56.077695][ T430] R10: ffffed103ee6a5d8 R11: 1ffff1103ee6a5d7 R12: dffffc0000000000 [ 56.085803][ T430] R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000 [ 56.093762][ T430] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 56.102701][ T430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.109290][ T430] CR2: 00007fa740a75ff8 CR3: 000000010ec8c000 CR4: 00000000003506a0 [ 56.117376][ T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.125373][ T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.133324][ T430] Call Trace: [ 56.136624][ T430] sysfs_remove_file_ns+0x64/0x70 [ 56.141640][ T430] device_remove_attrs+0x85/0x130 [ 56.146674][ T430] device_del+0x6cb/0xf90 [ 56.150998][ T430] ? kill_device+0xd0/0xd0 [ 56.155420][ T430] del_gendisk+0xbf2/0xe20 [ 56.159834][ T430] ? device_add_disk_no_queue_reg+0x30/0x30 [ 56.165729][ T430] ? __radix_tree_delete+0x2ba/0x380 [ 56.171012][ T430] ? radix_tree_delete_item+0x261/0x360 [ 56.176569][ T430] loop_remove+0x46/0xb0 [ 56.180810][ T430] loop_control_ioctl+0x67f/0x740 [ 56.185847][ T430] ? loop_remove+0xb0/0xb0 [ 56.190278][ T430] ? __fget_files+0x310/0x370 [ 56.195011][ T430] ? security_file_ioctl+0xb1/0xd0 [ 56.200130][ T430] ? loop_remove+0xb0/0xb0 [ 56.204528][ T430] __se_sys_ioctl+0x115/0x190 [ 56.209217][ T430] __x64_sys_ioctl+0x7b/0x90 [ 56.213816][ T430] do_syscall_64+0x34/0x70 [ 56.220938][ T430] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.227098][ T430] RIP: 0033:0x7fa740b210e9 [ 56.231755][ 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 [ 56.251374][ T430] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 56.259810][ T430] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 56.267991][ T430] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 56.276085][ T430] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 56.284198][ T430] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 56.292281][ T430] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 56.300427][ T430] ---[ end trace 5dbc6bf4f09d0141 ]--- [ 56.305897][ T430] ------------[ cut here ]------------ [ 56.311362][ T430] kernfs: can not remove 'range', no directory [ 56.317601][ T430] WARNING: CPU: 1 PID: 430 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 56.327149][ T430] Modules linked in: [ 56.331042][ T430] CPU: 1 PID: 430 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 56.343294][ T430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.353384][ T430] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 56.359563][ T430] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 56.379200][ T430] RSP: 0018:ffffc90000ef7a88 EFLAGS: 00010246 [ 56.385278][ T430] RAX: ffbdcb239c8a1e00 RBX: ffffffff85430980 RCX: ffff88810c294f00 [ 56.393238][ T430] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 56.401263][ T430] RBP: ffffc90000ef7aa0 R08: ffffffff8153a998 R09: fffff520001dee75 [ 56.409261][ T430] R10: fffff520001dee75 R11: 1ffff920001dee74 R12: ffffffff86139848 [ 56.417293][ T430] R13: ffffffff86139848 R14: 0000000000000000 R15: 0000000000000000 [ 56.427809][ T430] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 56.436932][ T430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.443517][ T430] CR2: 00007fa740a75ff8 CR3: 000000010ec8c000 CR4: 00000000003506a0 [ 56.451499][ T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.459477][ T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.467760][ T430] Call Trace: [ 56.472000][ T430] sysfs_remove_group+0x113/0x2b0 [ 56.477245][ T430] sysfs_remove_groups+0x5b/0xb0 [ 56.482190][ T430] device_remove_attrs+0xe4/0x130 [ 56.487232][ T430] device_del+0x6cb/0xf90 [ 56.491737][ T430] ? kill_device+0xd0/0xd0 [ 56.496172][ T430] del_gendisk+0xbf2/0xe20 [ 56.500955][ T430] ? device_add_disk_no_queue_reg+0x30/0x30 [ 56.507088][ T430] ? __radix_tree_delete+0x2ba/0x380 [ 56.512413][ T430] ? radix_tree_delete_item+0x261/0x360 [ 56.518413][ T430] loop_remove+0x46/0xb0 [ 56.522655][ T430] loop_control_ioctl+0x67f/0x740 [ 56.527798][ T430] ? loop_remove+0xb0/0xb0 [ 56.532220][ T430] ? __fget_files+0x310/0x370 [ 56.537191][ T430] ? security_file_ioctl+0xb1/0xd0 [ 56.542308][ T430] ? loop_remove+0xb0/0xb0 [ 56.546755][ T430] __se_sys_ioctl+0x115/0x190 [ 56.551434][ T430] __x64_sys_ioctl+0x7b/0x90 [ 56.556178][ T430] do_syscall_64+0x34/0x70 [ 56.560680][ T430] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.566578][ T430] RIP: 0033:0x7fa740b210e9 [ 56.570992][ 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 [ 56.590608][ T430] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 56.599154][ T430] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 56.607134][ T430] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 56.615136][ T430] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 56.623300][ T430] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 56.631676][ T430] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 56.639760][ T430] ---[ end trace 5dbc6bf4f09d0142 ]--- [ 56.645332][ T430] ------------[ cut here ]------------ [ 56.650793][ T430] kernfs: can not remove 'ext_range', no directory [ 56.657370][ T430] WARNING: CPU: 1 PID: 430 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 56.667118][ T430] Modules linked in: [ 56.671004][ T430] CPU: 1 PID: 430 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 56.683176][ T430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.693266][ T430] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 56.699538][ T430] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 56.719175][ T430] RSP: 0018:ffffc90000ef7a88 EFLAGS: 00010246 [ 56.725262][ T430] RAX: ffbdcb239c8a1e00 RBX: ffffffff854309a0 RCX: ffff88810c294f00 [ 56.733348][ T430] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 56.741387][ T430] RBP: ffffc90000ef7aa0 R08: ffffffff8153a998 R09: fffff520001dee75 [ 56.749369][ T430] R10: fffff520001dee75 R11: 1ffff920001dee74 R12: ffffffff86139850 [ 56.757436][ T430] R13: ffffffff86139850 R14: 0000000000000000 R15: 0000000000000000 [ 56.765600][ T430] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 56.774518][ T430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.781117][ T430] CR2: 00007fa740a75ff8 CR3: 000000010ec8c000 CR4: 00000000003506a0 [ 56.789110][ T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.797099][ T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.805282][ T430] Call Trace: [ 56.808718][ T430] sysfs_remove_group+0x113/0x2b0 [ 56.813731][ T430] sysfs_remove_groups+0x5b/0xb0 [ 56.818863][ T430] device_remove_attrs+0xe4/0x130 [ 56.823892][ T430] device_del+0x6cb/0xf90 [ 56.828411][ T430] ? kill_device+0xd0/0xd0 [ 56.833558][ T430] del_gendisk+0xbf2/0xe20 [ 56.838007][ T430] ? device_add_disk_no_queue_reg+0x30/0x30 [ 56.843910][ T430] ? __radix_tree_delete+0x2ba/0x380 [ 56.849390][ T430] ? radix_tree_delete_item+0x261/0x360 [ 56.854996][ T430] loop_remove+0x46/0xb0 [ 56.859409][ T430] loop_control_ioctl+0x67f/0x740 [ 56.864407][ T430] ? loop_remove+0xb0/0xb0 [ 56.868857][ T430] ? __fget_files+0x310/0x370 [ 56.873538][ T430] ? security_file_ioctl+0xb1/0xd0 [ 56.878660][ T430] ? loop_remove+0xb0/0xb0 [ 56.883095][ T430] __se_sys_ioctl+0x115/0x190 [ 56.887922][ T430] __x64_sys_ioctl+0x7b/0x90 [ 56.892596][ T430] do_syscall_64+0x34/0x70 [ 56.897039][ T430] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.903038][ T430] RIP: 0033:0x7fa740b210e9 [ 56.907476][ 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 [ 56.927103][ T430] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 56.935527][ T430] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 56.943509][ T430] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 56.951510][ T430] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 56.959624][ T430] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 56.967832][ T430] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 56.975824][ T430] ---[ end trace 5dbc6bf4f09d0143 ]--- [ 56.981268][ T430] ------------[ cut here ]------------ [ 56.986934][ T430] kernfs: can not remove 'removable', no directory [ 56.993480][ T430] WARNING: CPU: 1 PID: 430 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 57.003157][ T430] Modules linked in: [ 57.007097][ T430] CPU: 1 PID: 430 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 57.019291][ T430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.029388][ T430] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 57.035754][ T430] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 57.055384][ T430] RSP: 0018:ffffc90000ef7a88 EFLAGS: 00010246 [ 57.061525][ T430] RAX: ffbdcb239c8a1e00 RBX: ffffffff854309c0 RCX: ffff88810c294f00 [ 57.069515][ T430] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 57.077490][ T430] RBP: ffffc90000ef7aa0 R08: ffffffff8153a998 R09: ffffed103ee6a5d8 [ 57.085470][ T430] R10: ffffed103ee6a5d8 R11: 1ffff1103ee6a5d7 R12: ffffffff86139858 [ 57.093568][ T430] R13: ffffffff86139858 R14: 0000000000000000 R15: 0000000000000000 [ 57.101560][ T430] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 57.110504][ T430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.117103][ T430] CR2: 00007fa740a75ff8 CR3: 000000010ec8c000 CR4: 00000000003506a0 [ 57.125113][ T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.133161][ T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.141160][ T430] Call Trace: [ 57.144446][ T430] sysfs_remove_group+0x113/0x2b0 [ 57.149481][ T430] sysfs_remove_groups+0x5b/0xb0 [ 57.154403][ T430] device_remove_attrs+0xe4/0x130 [ 57.159435][ T430] device_del+0x6cb/0xf90 [ 57.163749][ T430] ? kill_device+0xd0/0xd0 [ 57.168177][ T430] del_gendisk+0xbf2/0xe20 [ 57.172584][ T430] ? device_add_disk_no_queue_reg+0x30/0x30 [ 57.178485][ T430] ? __radix_tree_delete+0x2ba/0x380 [ 57.183763][ T430] ? radix_tree_delete_item+0x261/0x360 [ 57.191311][ T430] loop_remove+0x46/0xb0 [ 57.195562][ T430] loop_control_ioctl+0x67f/0x740 [ 57.200590][ T430] ? loop_remove+0xb0/0xb0 [ 57.205045][ T430] ? __fget_files+0x310/0x370 [ 57.209734][ T430] ? security_file_ioctl+0xb1/0xd0 [ 57.214824][ T430] ? loop_remove+0xb0/0xb0 [ 57.219257][ T430] __se_sys_ioctl+0x115/0x190 [ 57.223932][ T430] __x64_sys_ioctl+0x7b/0x90 [ 57.228597][ T430] do_syscall_64+0x34/0x70 [ 57.233039][ T430] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.239054][ T430] RIP: 0033:0x7fa740b210e9 [ 57.243576][ 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 [ 57.263211][ T430] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 57.271820][ T430] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 57.279902][ T430] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 57.288496][ T430] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 57.296702][ T430] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 57.304747][ T430] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 57.312736][ T430] ---[ end trace 5dbc6bf4f09d0144 ]--- [ 57.318194][ T430] ------------[ cut here ]------------ [ 57.323623][ T430] kernfs: can not remove 'hidden', no directory [ 57.330129][ T430] WARNING: CPU: 1 PID: 430 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 57.339679][ T430] Modules linked in: [ 57.343559][ T430] CPU: 1 PID: 430 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 57.355852][ T430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.365963][ T430] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 57.372095][ T430] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 57.392631][ T430] RSP: 0018:ffffc90000ef7a88 EFLAGS: 00010246 [ 57.398728][ T430] RAX: ffbdcb239c8a1e00 RBX: ffffffff854309e0 RCX: ffff88810c294f00 [ 57.406852][ T430] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 57.414820][ T430] RBP: ffffc90000ef7aa0 R08: ffffffff8153a998 R09: fffff520001dee75 [ 57.422865][ T430] R10: fffff520001dee75 R11: 1ffff920001dee74 R12: ffffffff86139860 [ 57.430870][ T430] R13: ffffffff86139860 R14: 0000000000000000 R15: 0000000000000000 [ 57.438873][ T430] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 57.447922][ T430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.454501][ T430] CR2: 00007fa740a75ff8 CR3: 000000010ec8c000 CR4: 00000000003506a0 [ 57.462666][ T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.470837][ T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.478831][ T430] Call Trace: [ 57.482117][ T430] sysfs_remove_group+0x113/0x2b0 [ 57.487251][ T430] sysfs_remove_groups+0x5b/0xb0 [ 57.492283][ T430] device_remove_attrs+0xe4/0x130 [ 57.497356][ T430] device_del+0x6cb/0xf90 [ 57.501679][ T430] ? kill_device+0xd0/0xd0 [ 57.506117][ T430] del_gendisk+0xbf2/0xe20 [ 57.510617][ T430] ? device_add_disk_no_queue_reg+0x30/0x30 [ 57.516518][ T430] ? __radix_tree_delete+0x2ba/0x380 [ 57.521805][ T430] ? radix_tree_delete_item+0x261/0x360 [ 57.527488][ T430] loop_remove+0x46/0xb0 [ 57.531852][ T430] loop_control_ioctl+0x67f/0x740 [ 57.536941][ T430] ? loop_remove+0xb0/0xb0 [ 57.541371][ T430] ? __fget_files+0x310/0x370 [ 57.546080][ T430] ? security_file_ioctl+0xb1/0xd0 [ 57.551217][ T430] ? loop_remove+0xb0/0xb0 [ 57.555655][ T430] __se_sys_ioctl+0x115/0x190 [ 57.560319][ T430] __x64_sys_ioctl+0x7b/0x90 [ 57.565050][ T430] do_syscall_64+0x34/0x70 [ 57.569638][ T430] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.575683][ T430] RIP: 0033:0x7fa740b210e9 [ 57.580537][ 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 [ 57.600271][ T430] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 57.608735][ T430] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 57.616992][ T430] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 57.624975][ T430] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 57.633807][ T430] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 57.641821][ T430] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 57.650058][ T430] ---[ end trace 5dbc6bf4f09d0145 ]--- [ 57.663469][ T430] ------------[ cut here ]------------ [ 57.668970][ T430] kernfs: can not remove 'ro', no directory [ 57.674963][ T430] WARNING: CPU: 1 PID: 430 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 57.684497][ T430] Modules linked in: [ 57.688624][ T430] CPU: 1 PID: 430 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 57.701235][ T430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.711641][ T430] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 57.718850][ T430] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 57.739980][ T430] RSP: 0018:ffffc90000ef7a88 EFLAGS: 00010246 [ 57.746260][ T430] RAX: ffbdcb239c8a1e00 RBX: ffffffff85430a00 RCX: ffff88810c294f00 [ 57.754214][ T430] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 57.762214][ T430] RBP: ffffc90000ef7aa0 R08: ffffffff8153a998 R09: ffffed103ee64e83 [ 57.770189][ T430] R10: ffffed103ee64e83 R11: 1ffff1103ee64e82 R12: ffffffff86139868 [ 57.778239][ T430] R13: ffffffff86139868 R14: 0000000000000000 R15: 0000000000000000 [ 57.786634][ T430] FS: 00007fa740a97700(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 57.795670][ T430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.802335][ T430] CR2: 00005555562de3b8 CR3: 000000010ec8c000 CR4: 00000000003506b0 [ 57.810481][ T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.818560][ T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.826602][ T430] Call Trace: [ 57.829898][ T430] sysfs_remove_group+0x113/0x2b0 [ 57.835077][ T430] sysfs_remove_groups+0x5b/0xb0 [ 57.840022][ T430] device_remove_attrs+0xe4/0x130 [ 57.845147][ T430] device_del+0x6cb/0xf90 [ 57.849489][ T430] ? kill_device+0xd0/0xd0 [ 57.854170][ T430] del_gendisk+0xbf2/0xe20 [ 57.858649][ T430] ? device_add_disk_no_queue_reg+0x30/0x30 [ 57.864556][ T430] ? __radix_tree_delete+0x2ba/0x380 [ 57.869885][ T430] ? radix_tree_delete_item+0x261/0x360 [ 57.875453][ T430] loop_remove+0x46/0xb0 [ 57.879674][ T430] loop_control_ioctl+0x67f/0x740 [ 57.885257][ T430] ? loop_remove+0xb0/0xb0 [ 57.890036][ T430] ? __fget_files+0x310/0x370 [ 57.894717][ T430] ? security_file_ioctl+0xb1/0xd0 [ 57.900072][ T430] ? loop_remove+0xb0/0xb0 [ 57.904498][ T430] __se_sys_ioctl+0x115/0x190 [ 57.909286][ T430] __x64_sys_ioctl+0x7b/0x90 [ 57.913950][ T430] do_syscall_64+0x34/0x70 [ 57.918416][ T430] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.924303][ T430] RIP: 0033:0x7fa740b210e9 [ 57.928737][ 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 [ 57.948357][ T430] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 57.956841][ T430] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 57.965141][ T430] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 57.973196][ T430] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 57.982023][ T430] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 57.991294][ T430] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 58.000161][ T430] ---[ end trace 5dbc6bf4f09d0146 ]--- [ 58.005797][ T430] ------------[ cut here ]------------ [ 58.011362][ T430] kernfs: can not remove 'size', no directory [ 58.017901][ T430] WARNING: CPU: 1 PID: 430 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 58.027933][ T430] Modules linked in: [ 58.031819][ T430] CPU: 1 PID: 430 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 58.044029][ T430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.054432][ T430] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 58.060664][ T430] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 58.080516][ T430] RSP: 0018:ffffc90000ef7a88 EFLAGS: 00010246 [ 58.086895][ T430] RAX: ffbdcb239c8a1e00 RBX: ffffffff85430a20 RCX: ffff88810c294f00 [ 58.094979][ T430] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 58.103055][ T430] RBP: ffffc90000ef7aa0 R08: ffffffff8153a998 R09: fffff520001dee75 [ 58.111560][ T430] R10: fffff520001dee75 R11: 1ffff920001dee74 R12: ffffffff86139870 [ 58.119823][ T430] R13: ffffffff86139870 R14: 0000000000000000 R15: 0000000000000000 [ 58.127907][ T430] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 58.137127][ T430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.143840][ T430] CR2: 00007fa740a75ff8 CR3: 000000010ec8c000 CR4: 00000000003506a0 [ 58.151961][ T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.159978][ T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.168276][ T430] Call Trace: [ 58.172039][ T430] sysfs_remove_group+0x113/0x2b0 [ 58.177115][ T430] sysfs_remove_groups+0x5b/0xb0 [ 58.182049][ T430] device_remove_attrs+0xe4/0x130 [ 58.187276][ T430] device_del+0x6cb/0xf90 [ 58.191614][ T430] ? kill_device+0xd0/0xd0 [ 58.196108][ T430] del_gendisk+0xbf2/0xe20 [ 58.200539][ T430] ? device_add_disk_no_queue_reg+0x30/0x30 [ 58.206649][ T430] ? __radix_tree_delete+0x2ba/0x380 [ 58.212011][ T430] ? radix_tree_delete_item+0x261/0x360 [ 58.217582][ T430] loop_remove+0x46/0xb0 [ 58.221809][ T430] loop_control_ioctl+0x67f/0x740 [ 58.226851][ T430] ? loop_remove+0xb0/0xb0 [ 58.231258][ T430] ? __fget_files+0x310/0x370 [ 58.235947][ T430] ? security_file_ioctl+0xb1/0xd0 [ 58.241038][ T430] ? loop_remove+0xb0/0xb0 [ 58.245640][ T430] __se_sys_ioctl+0x115/0x190 [ 58.250370][ T430] __x64_sys_ioctl+0x7b/0x90 [ 58.255315][ T430] do_syscall_64+0x34/0x70 [ 58.259731][ T430] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.266656][ T430] RIP: 0033:0x7fa740b210e9 [ 58.271060][ 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 [ 58.291769][ T430] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 58.300295][ T430] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 58.308279][ T430] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 58.316546][ T430] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 58.324514][ T430] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 58.332507][ T430] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 58.340493][ T430] ---[ end trace 5dbc6bf4f09d0147 ]--- [ 58.345954][ T430] ------------[ cut here ]------------ [ 58.351397][ T430] kernfs: can not remove 'alignment_offset', no directory [ 58.358580][ T430] WARNING: CPU: 1 PID: 430 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 58.368117][ T430] Modules linked in: [ 58.372082][ T430] CPU: 1 PID: 430 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 58.384293][ T430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.394384][ T430] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 58.400700][ T430] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 58.420853][ T430] RSP: 0018:ffffc90000ef7a88 EFLAGS: 00010246 [ 58.426939][ T430] RAX: ffbdcb239c8a1e00 RBX: ffffffff85430a40 RCX: ffff88810c294f00 [ 58.434961][ T430] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 58.442922][ T430] RBP: ffffc90000ef7aa0 R08: ffffffff8153a998 R09: fffff520001dee75 [ 58.450953][ T430] R10: fffff520001dee75 R11: 1ffff920001dee74 R12: ffffffff86139878 [ 58.458985][ T430] R13: ffffffff86139878 R14: 0000000000000000 R15: 0000000000000000 [ 58.467423][ T430] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 58.476451][ T430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.483033][ T430] CR2: 00007fa740a75ff8 CR3: 000000010ec8c000 CR4: 00000000003506a0 [ 58.491282][ T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.499270][ T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.507246][ T430] Call Trace: [ 58.510525][ T430] sysfs_remove_group+0x113/0x2b0 [ 58.515556][ T430] sysfs_remove_groups+0x5b/0xb0 [ 58.520582][ T430] device_remove_attrs+0xe4/0x130 [ 58.525702][ T430] device_del+0x6cb/0xf90 [ 58.530026][ T430] ? kill_device+0xd0/0xd0 [ 58.534526][ T430] del_gendisk+0xbf2/0xe20 [ 58.538998][ T430] ? device_add_disk_no_queue_reg+0x30/0x30 [ 58.544927][ T430] ? __radix_tree_delete+0x2ba/0x380 [ 58.550388][ T430] ? radix_tree_delete_item+0x261/0x360 [ 58.555950][ T430] loop_remove+0x46/0xb0 [ 58.560199][ T430] loop_control_ioctl+0x67f/0x740 [ 58.565252][ T430] ? loop_remove+0xb0/0xb0 [ 58.569665][ T430] ? __fget_files+0x310/0x370 [ 58.574316][ T430] ? security_file_ioctl+0xb1/0xd0 [ 58.579539][ T430] ? loop_remove+0xb0/0xb0 [ 58.583943][ T430] __se_sys_ioctl+0x115/0x190 [ 58.588635][ T430] __x64_sys_ioctl+0x7b/0x90 [ 58.593217][ T430] do_syscall_64+0x34/0x70 [ 58.597654][ T430] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.603538][ T430] RIP: 0033:0x7fa740b210e9 [ 58.608234][ 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 [ 58.628417][ T430] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 58.641960][ T430] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 58.650165][ T430] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 58.658195][ T430] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 58.666188][ T430] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 58.674167][ T430] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 58.682726][ T430] ---[ end trace 5dbc6bf4f09d0148 ]--- [ 58.688285][ T430] ------------[ cut here ]------------ [ 58.693717][ T430] kernfs: can not remove 'discard_alignment', no directory [ 58.700992][ T430] WARNING: CPU: 1 PID: 430 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 58.710538][ T430] Modules linked in: [ 58.714589][ T430] CPU: 1 PID: 430 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 58.726780][ T430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.736862][ T430] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 58.743100][ T430] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 58.762854][ T430] RSP: 0018:ffffc90000ef7a88 EFLAGS: 00010246 [ 58.768930][ T430] RAX: ffbdcb239c8a1e00 RBX: ffffffff85430a80 RCX: ffff88810c294f00 [ 58.776917][ T430] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 58.785010][ T430] RBP: ffffc90000ef7aa0 R08: ffffffff8153a998 R09: fffff520001dee75 [ 58.793135][ T430] R10: fffff520001dee75 R11: 1ffff920001dee74 R12: ffffffff86139880 [ 58.801287][ T430] R13: ffffffff86139880 R14: 0000000000000000 R15: 0000000000000000 [ 58.809275][ T430] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 58.818670][ T430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.825444][ T430] CR2: 00007fa740a75ff8 CR3: 000000010ec8c000 CR4: 00000000003506a0 [ 58.833655][ T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.841894][ T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.849991][ T430] Call Trace: [ 58.853273][ T430] sysfs_remove_group+0x113/0x2b0 [ 58.858406][ T430] sysfs_remove_groups+0x5b/0xb0 [ 58.863363][ T430] device_remove_attrs+0xe4/0x130 [ 58.868403][ T430] device_del+0x6cb/0xf90 [ 58.872729][ T430] ? kill_device+0xd0/0xd0 [ 58.877166][ T430] del_gendisk+0xbf2/0xe20 [ 58.881574][ T430] ? device_add_disk_no_queue_reg+0x30/0x30 [ 58.887618][ T430] ? __radix_tree_delete+0x2ba/0x380 [ 58.893003][ T430] ? radix_tree_delete_item+0x261/0x360 [ 58.898688][ T430] loop_remove+0x46/0xb0 [ 58.903001][ T430] loop_control_ioctl+0x67f/0x740 [ 58.908104][ T430] ? loop_remove+0xb0/0xb0 [ 58.912589][ T430] ? __fget_files+0x310/0x370 [ 58.917388][ T430] ? security_file_ioctl+0xb1/0xd0 [ 58.922484][ T430] ? loop_remove+0xb0/0xb0 [ 58.926985][ T430] __se_sys_ioctl+0x115/0x190 [ 58.931760][ T430] __x64_sys_ioctl+0x7b/0x90 [ 58.936394][ T430] do_syscall_64+0x34/0x70 [ 58.940801][ T430] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.946709][ T430] RIP: 0033:0x7fa740b210e9 [ 58.951172][ 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 [ 58.970825][ T430] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 58.979559][ T430] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 58.987559][ T430] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 58.995554][ T430] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 59.003512][ T430] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 59.011536][ T430] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 59.020063][ T430] ---[ end trace 5dbc6bf4f09d0149 ]--- [ 59.025528][ T430] ------------[ cut here ]------------ [ 59.030998][ T430] kernfs: can not remove 'capability', no directory [ 59.037709][ T430] WARNING: CPU: 1 PID: 430 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 59.049109][ T430] Modules linked in: [ 59.053168][ T430] CPU: 1 PID: 430 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 59.065528][ T430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.075712][ T430] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 59.081861][ T430] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 59.101580][ T430] RSP: 0018:ffffc90000ef7a88 EFLAGS: 00010246 [ 59.107764][ T430] RAX: ffbdcb239c8a1e00 RBX: ffffffff85430ac0 RCX: ffff88810c294f00 [ 59.115899][ T430] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 59.123960][ T430] RBP: ffffc90000ef7aa0 R08: ffffffff8153a998 R09: fffff520001dee75 [ 59.132040][ T430] R10: fffff520001dee75 R11: 1ffff920001dee74 R12: ffffffff86139888 [ 59.140038][ T430] R13: ffffffff86139888 R14: 0000000000000000 R15: 0000000000000000 [ 59.148111][ T430] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 59.157044][ T430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.163777][ T430] CR2: 00007fa740a75ff8 CR3: 000000010ec8c000 CR4: 00000000003506a0 [ 59.171880][ T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.179968][ T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.187963][ T430] Call Trace: [ 59.191239][ T430] sysfs_remove_group+0x113/0x2b0 [ 59.196288][ T430] sysfs_remove_groups+0x5b/0xb0 [ 59.201213][ T430] device_remove_attrs+0xe4/0x130 [ 59.206430][ T430] device_del+0x6cb/0xf90 [ 59.210751][ T430] ? kill_device+0xd0/0xd0 [ 59.215272][ T430] del_gendisk+0xbf2/0xe20 [ 59.219963][ T430] ? device_add_disk_no_queue_reg+0x30/0x30 [ 59.225933][ T430] ? __radix_tree_delete+0x2ba/0x380 [ 59.231472][ T430] ? radix_tree_delete_item+0x261/0x360 [ 59.237048][ T430] loop_remove+0x46/0xb0 [ 59.241827][ T430] loop_control_ioctl+0x67f/0x740 [ 59.246958][ T430] ? loop_remove+0xb0/0xb0 [ 59.251365][ T430] ? __fget_files+0x310/0x370 [ 59.256050][ T430] ? security_file_ioctl+0xb1/0xd0 [ 59.261243][ T430] ? loop_remove+0xb0/0xb0 [ 59.265710][ T430] __se_sys_ioctl+0x115/0x190 [ 59.270388][ T430] __x64_sys_ioctl+0x7b/0x90 [ 59.275003][ T430] do_syscall_64+0x34/0x70 [ 59.279404][ T430] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.285308][ T430] RIP: 0033:0x7fa740b210e9 [ 59.289730][ 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 [ 59.309392][ T430] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 59.318175][ T430] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 59.326260][ T430] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 59.334225][ T430] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 59.342690][ T430] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 59.351119][ T430] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 59.359450][ T430] ---[ end trace 5dbc6bf4f09d014a ]--- [ 59.364948][ T430] ------------[ cut here ]------------ [ 59.370378][ T430] kernfs: can not remove 'stat', no directory [ 59.376767][ T430] WARNING: CPU: 1 PID: 430 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 59.386410][ T430] Modules linked in: [ 59.390294][ T430] CPU: 1 PID: 430 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 59.402806][ T430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.413018][ T430] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 59.419194][ T430] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 59.438918][ T430] RSP: 0018:ffffc90000ef7a88 EFLAGS: 00010246 [ 59.445098][ T430] RAX: ffbdcb239c8a1e00 RBX: ffffffff85430b00 RCX: ffff88810c294f00 [ 59.453127][ T430] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 59.461126][ T430] RBP: ffffc90000ef7aa0 R08: ffffffff8153a998 R09: fffff520001dee75 [ 59.469311][ T430] R10: fffff520001dee75 R11: 1ffff920001dee74 R12: ffffffff86139890 [ 59.477641][ T430] R13: ffffffff86139890 R14: 0000000000000000 R15: 0000000000000000 [ 59.485780][ T430] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 59.494691][ T430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.501524][ T430] CR2: 00007fa740a75ff8 CR3: 000000010ec8c000 CR4: 00000000003506a0 [ 59.509725][ T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.518072][ T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.526161][ T430] Call Trace: [ 59.529449][ T430] sysfs_remove_group+0x113/0x2b0 [ 59.534451][ T430] sysfs_remove_groups+0x5b/0xb0 [ 59.539825][ T430] device_remove_attrs+0xe4/0x130 [ 59.545166][ T430] device_del+0x6cb/0xf90 [ 59.550699][ T430] ? kill_device+0xd0/0xd0 [ 59.555627][ T430] del_gendisk+0xbf2/0xe20 [ 59.560543][ T430] ? device_add_disk_no_queue_reg+0x30/0x30 [ 59.566591][ T430] ? __radix_tree_delete+0x2ba/0x380 [ 59.571941][ T430] ? radix_tree_delete_item+0x261/0x360 [ 59.577628][ T430] loop_remove+0x46/0xb0 [ 59.582248][ T430] loop_control_ioctl+0x67f/0x740 [ 59.587423][ T430] ? loop_remove+0xb0/0xb0 [ 59.591972][ T430] ? __fget_files+0x310/0x370 [ 59.596778][ T430] ? security_file_ioctl+0xb1/0xd0 [ 59.601951][ T430] ? loop_remove+0xb0/0xb0 [ 59.606442][ T430] __se_sys_ioctl+0x115/0x190 [ 59.611156][ T430] __x64_sys_ioctl+0x7b/0x90 [ 59.615817][ T430] do_syscall_64+0x34/0x70 [ 59.620232][ T430] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.626143][ T430] RIP: 0033:0x7fa740b210e9 [ 59.630551][ 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 [ 59.650182][ T430] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 59.658604][ T430] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 59.666716][ T430] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 59.674780][ T430] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 59.682824][ T430] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 59.690819][ T430] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 59.698844][ T430] ---[ end trace 5dbc6bf4f09d014b ]--- [ 59.704298][ T430] ------------[ cut here ]------------ [ 59.710296][ T430] kernfs: can not remove 'inflight', no directory [ 59.716850][ T430] WARNING: CPU: 1 PID: 430 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 59.726405][ T430] Modules linked in: [ 59.730299][ T430] CPU: 1 PID: 430 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 59.742459][ T430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.752551][ T430] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 59.758741][ T430] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 59.778357][ T430] RSP: 0018:ffffc90000ef7a88 EFLAGS: 00010246 [ 59.784406][ T430] RAX: ffbdcb239c8a1e00 RBX: ffffffff85430b20 RCX: ffff88810c294f00 [ 59.792395][ T430] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 59.800387][ T430] RBP: ffffc90000ef7aa0 R08: ffffffff8153a998 R09: ffffed103ee6a5d8 [ 59.808630][ T430] R10: ffffed103ee6a5d8 R11: 1ffff1103ee6a5d7 R12: ffffffff86139898 [ 59.816739][ T430] R13: ffffffff86139898 R14: 0000000000000000 R15: 0000000000000000 [ 59.824693][ T430] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 59.833900][ T430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.840620][ T430] CR2: 00007fa740a75ff8 CR3: 000000010ec8c000 CR4: 00000000003506a0 [ 59.848630][ T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.856646][ T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.864602][ T430] Call Trace: [ 59.869439][ T430] sysfs_remove_group+0x113/0x2b0 [ 59.874867][ T430] sysfs_remove_groups+0x5b/0xb0 [ 59.879882][ T430] device_remove_attrs+0xe4/0x130 [ 59.885061][ T430] device_del+0x6cb/0xf90 [ 59.889463][ T430] ? kill_device+0xd0/0xd0 [ 59.893875][ T430] del_gendisk+0xbf2/0xe20 [ 59.898506][ T430] ? device_add_disk_no_queue_reg+0x30/0x30 [ 59.904807][ T430] ? __radix_tree_delete+0x2ba/0x380 [ 59.910481][ T430] ? radix_tree_delete_item+0x261/0x360 [ 59.916061][ T430] loop_remove+0x46/0xb0 [ 59.920578][ T430] loop_control_ioctl+0x67f/0x740 [ 59.925622][ T430] ? loop_remove+0xb0/0xb0 [ 59.930026][ T430] ? __fget_files+0x310/0x370 [ 59.934696][ T430] ? security_file_ioctl+0xb1/0xd0 [ 59.939854][ T430] ? loop_remove+0xb0/0xb0 [ 59.944281][ T430] __se_sys_ioctl+0x115/0x190 [ 59.949004][ T430] __x64_sys_ioctl+0x7b/0x90 [ 59.953735][ T430] do_syscall_64+0x34/0x70 [ 59.958208][ T430] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.964639][ T430] RIP: 0033:0x7fa740b210e9 [ 59.969257][ 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 [ 59.989168][ T430] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 59.997724][ T430] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 60.006098][ T430] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 60.014066][ T430] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 60.022539][ T430] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 60.030617][ T430] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 60.038914][ T430] ---[ end trace 5dbc6bf4f09d014c ]--- [ 60.044369][ T430] ------------[ cut here ]------------ [ 60.050052][ T430] kernfs: can not remove 'badblocks', no directory [ 60.057146][ T430] WARNING: CPU: 1 PID: 430 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 60.066910][ T430] Modules linked in: [ 60.070811][ T430] CPU: 1 PID: 430 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 60.082990][ T430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.093298][ T430] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 60.099469][ T430] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 60.119272][ T430] RSP: 0018:ffffc90000ef7a88 EFLAGS: 00010246 [ 60.125393][ T430] RAX: ffbdcb239c8a1e00 RBX: ffffffff85430960 RCX: ffff88810c294f00 [ 60.133459][ T430] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 60.141487][ T430] RBP: ffffc90000ef7aa0 R08: ffffffff8153a998 R09: ffffed103ee6a5d8 [ 60.149476][ T430] R10: ffffed103ee6a5d8 R11: 1ffff1103ee6a5d7 R12: ffffffff861398a0 [ 60.157468][ T430] R13: ffffffff861398a0 R14: 0000000000000000 R15: 0000000000000000 [ 60.165537][ T430] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 60.174466][ T430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.181077][ T430] CR2: 00007fa740a75ff8 CR3: 000000010ec8c000 CR4: 00000000003506a0 [ 60.189062][ T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.197213][ T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.205220][ T430] Call Trace: [ 60.208488][ T430] sysfs_remove_group+0x113/0x2b0 [ 60.213485][ T430] sysfs_remove_groups+0x5b/0xb0 [ 60.218738][ T430] device_remove_attrs+0xe4/0x130 [ 60.223948][ T430] device_del+0x6cb/0xf90 [ 60.228390][ T430] ? kill_device+0xd0/0xd0 [ 60.232803][ T430] del_gendisk+0xbf2/0xe20 [ 60.237639][ T430] ? device_add_disk_no_queue_reg+0x30/0x30 [ 60.243611][ T430] ? __radix_tree_delete+0x2ba/0x380 [ 60.249029][ T430] ? radix_tree_delete_item+0x261/0x360 [ 60.254626][ T430] loop_remove+0x46/0xb0 [ 60.258966][ T430] loop_control_ioctl+0x67f/0x740 [ 60.263978][ T430] ? loop_remove+0xb0/0xb0 [ 60.268606][ T430] ? __fget_files+0x310/0x370 [ 60.273479][ T430] ? security_file_ioctl+0xb1/0xd0 [ 60.278656][ T430] ? loop_remove+0xb0/0xb0 [ 60.283069][ T430] __se_sys_ioctl+0x115/0x190 [ 60.287855][ T430] __x64_sys_ioctl+0x7b/0x90 [ 60.292586][ T430] do_syscall_64+0x34/0x70 [ 60.297056][ T430] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.302935][ T430] RIP: 0033:0x7fa740b210e9 [ 60.307370][ 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 [ 60.326992][ T430] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 60.335412][ T430] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 60.343372][ T430] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 60.351379][ T430] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 60.359456][ T430] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 60.367498][ T430] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 60.375515][ T430] ---[ end trace 5dbc6bf4f09d014d ]--- [ 60.381472][ T430] ------------[ cut here ]------------ [ 60.386949][ T430] kernfs: can not remove 'make-it-fail', no directory [ 60.393761][ T430] WARNING: CPU: 1 PID: 430 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 60.403347][ T430] Modules linked in: [ 60.407278][ T430] CPU: 1 PID: 430 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 60.419470][ T430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.429674][ T430] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 60.435884][ T430] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 60.455809][ T430] RSP: 0018:ffffc90000ef7a88 EFLAGS: 00010246 [ 60.462130][ T430] RAX: ffbdcb239c8a1e00 RBX: ffffffff85430b40 RCX: ffff88810c294f00 [ 60.470171][ T430] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 60.478369][ T430] RBP: ffffc90000ef7aa0 R08: ffffffff8153a998 R09: ffffed103ee6a5d8 [ 60.486446][ T430] R10: ffffed103ee6a5d8 R11: 1ffff1103ee6a5d7 R12: ffffffff861398a8 [ 60.496548][ T430] R13: ffffffff861398a8 R14: 0000000000000000 R15: 0000000000000000 [ 60.504503][ T430] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 60.513570][ T430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.520427][ T430] CR2: 00007fa740a75ff8 CR3: 000000010ec8c000 CR4: 00000000003506a0 [ 60.528513][ T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.536506][ T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.544637][ T430] Call Trace: [ 60.547985][ T430] sysfs_remove_group+0x113/0x2b0 [ 60.553696][ T430] sysfs_remove_groups+0x5b/0xb0 [ 60.559001][ T430] device_remove_attrs+0xe4/0x130 [ 60.564095][ T430] device_del+0x6cb/0xf90 [ 60.568521][ T430] ? kill_device+0xd0/0xd0 [ 60.573009][ T430] del_gendisk+0xbf2/0xe20 [ 60.577859][ T430] ? device_add_disk_no_queue_reg+0x30/0x30 [ 60.584078][ T430] ? __radix_tree_delete+0x2ba/0x380 [ 60.589480][ T430] ? radix_tree_delete_item+0x261/0x360 [ 60.595154][ T430] loop_remove+0x46/0xb0 [ 60.599492][ T430] loop_control_ioctl+0x67f/0x740 [ 60.604499][ T430] ? loop_remove+0xb0/0xb0 [ 60.608938][ T430] ? __fget_files+0x310/0x370 [ 60.613709][ T430] ? security_file_ioctl+0xb1/0xd0 [ 60.618890][ T430] ? loop_remove+0xb0/0xb0 [ 60.623385][ T430] __se_sys_ioctl+0x115/0x190 [ 60.628108][ T430] __x64_sys_ioctl+0x7b/0x90 [ 60.632688][ T430] do_syscall_64+0x34/0x70 [ 60.637675][ T430] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.643593][ T430] RIP: 0033:0x7fa740b210e9 [ 60.648127][ 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 [ 60.668289][ T430] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 60.676941][ T430] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 60.685201][ T430] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 60.693453][ T430] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 60.701485][ T430] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 60.709569][ T430] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 60.717568][ T430] ---[ end trace 5dbc6bf4f09d014e ]--- [ 60.723012][ T430] ------------[ cut here ]------------ [ 60.728837][ T430] kernfs: can not remove 'io-timeout-fail', no directory [ 60.735907][ T430] WARNING: CPU: 1 PID: 430 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 60.745752][ T430] Modules linked in: [ 60.749765][ T430] CPU: 1 PID: 430 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 60.762696][ T430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.776202][ T430] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 60.782352][ T430] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 60.802193][ T430] RSP: 0018:ffffc90000ef7a88 EFLAGS: 00010246 [ 60.808285][ T430] RAX: ffbdcb239c8a1e00 RBX: ffffffff85430b60 RCX: ffff88810c294f00 [ 60.816284][ T430] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 60.824370][ T430] RBP: ffffc90000ef7aa0 R08: ffffffff8153a998 R09: ffffed103ee6a5d8 [ 60.832525][ T430] R10: ffffed103ee6a5d8 R11: 1ffff1103ee6a5d7 R12: ffffffff861398b0 [ 60.840548][ T430] R13: ffffffff861398b0 R14: 0000000000000000 R15: 0000000000000000 [ 60.848732][ T430] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 60.857674][ T430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.864237][ T430] CR2: 00007fa740a75ff8 CR3: 000000010ec8c000 CR4: 00000000003506a0 [ 60.872219][ T430] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.880263][ T430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.888241][ T430] Call Trace: [ 60.891519][ T430] sysfs_remove_group+0x113/0x2b0 [ 60.896573][ T430] sysfs_remove_groups+0x5b/0xb0 [ 60.901501][ T430] device_remove_attrs+0xe4/0x130 [ 60.906541][ T430] device_del+0x6cb/0xf90 [ 60.910855][ T430] ? kill_device+0xd0/0xd0 [ 60.915394][ T430] del_gendisk+0xbf2/0xe20 [ 60.919815][ T430] ? device_add_disk_no_queue_reg+0x30/0x30 [ 60.925727][ T430] ? __radix_tree_delete+0x2ba/0x380 [ 60.931013][ T430] ? radix_tree_delete_item+0x261/0x360 [ 60.936577][ T430] loop_remove+0x46/0xb0 [ 60.940811][ T430] loop_control_ioctl+0x67f/0x740 [ 60.946089][ T430] ? loop_remove+0xb0/0xb0 [ 60.950510][ T430] ? __fget_files+0x310/0x370 [ 60.955228][ T430] ? security_file_ioctl+0xb1/0xd0 [ 60.960345][ T430] ? loop_remove+0xb0/0xb0 [ 60.964863][ T430] __se_sys_ioctl+0x115/0x190 [ 60.969614][ T430] __x64_sys_ioctl+0x7b/0x90 [ 60.974194][ T430] do_syscall_64+0x34/0x70 [ 60.978720][ T430] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.984608][ T430] RIP: 0033:0x7fa740b210e9 [ 60.989045][ 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 [ 61.008750][ T430] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 61.017238][ T430] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 61.025256][ T430] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 61.033208][ T430] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 61.041195][ T430] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 61.049200][ T430] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 61.057211][ T430] ---[ end trace 5dbc6bf4f09d014f ]--- 2022/05/24 23:40:24 executed programs: 8 [ 61.129723][ T433] FAULT_INJECTION: forcing a failure. [ 61.129723][ T433] name failslab, interval 1, probability 0, space 0, times 0 [ 61.142569][ T433] CPU: 1 PID: 433 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 61.154697][ T433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.165172][ T433] Call Trace: [ 61.168448][ T433] dump_stack_lvl+0x1e2/0x24b [ 61.173329][ T433] ? panic+0x7d7/0x7d7 [ 61.177493][ T433] ? bfq_pos_tree_add_move+0x43e/0x43e [ 61.182988][ T433] ? __kasan_kmalloc+0x9/0x10 [ 61.187647][ T433] ? kobj_map+0x72/0x6f0 [ 61.192534][ T433] ? __device_add_disk+0x663/0x11d0 [ 61.197841][ T433] ? device_add_disk+0x2a/0x40 [ 61.202770][ T433] ? loop_control_ioctl+0x564/0x740 [ 61.207967][ T433] ? __se_sys_ioctl+0x115/0x190 [ 61.212896][ T433] ? __x64_sys_ioctl+0x7b/0x90 [ 61.217830][ T433] dump_stack+0x15/0x17 [ 61.222436][ T433] should_fail+0x3c0/0x510 [ 61.226949][ T433] ? kvasprintf_const+0x139/0x180 [ 61.232333][ T433] __should_failslab+0x9f/0xe0 [ 61.237097][ T433] should_failslab+0x9/0x20 [ 61.241587][ T433] __kmalloc_track_caller+0x5f/0x350 [ 61.247221][ T433] kstrdup_const+0x55/0x90 [ 61.251639][ T433] kvasprintf_const+0x139/0x180 [ 61.256822][ T433] kobject_set_name_vargs+0x61/0x120 [ 61.262277][ T433] dev_set_name+0xd1/0x120 [ 61.266681][ T433] ? __kmalloc+0x1f7/0x360 [ 61.271098][ T433] ? get_device+0x30/0x30 [ 61.275413][ T433] ? kobj_map+0x6ad/0x6f0 [ 61.279729][ T433] __device_add_disk+0x6e5/0x11d0 [ 61.284731][ T433] ? device_add_disk+0x40/0x40 [ 61.289469][ T433] ? vsprintf+0x40/0x40 [ 61.293605][ T433] device_add_disk+0x2a/0x40 [ 61.298186][ T433] loop_add+0x58f/0x760 [ 61.302325][ T433] loop_control_ioctl+0x564/0x740 [ 61.307346][ T433] ? loop_remove+0xb0/0xb0 [ 61.311755][ T433] ? __fget_files+0x310/0x370 [ 61.316481][ T433] ? security_file_ioctl+0xb1/0xd0 [ 61.321583][ T433] ? loop_remove+0xb0/0xb0 [ 61.325994][ T433] __se_sys_ioctl+0x115/0x190 [ 61.330791][ T433] __x64_sys_ioctl+0x7b/0x90 [ 61.335372][ T433] do_syscall_64+0x34/0x70 [ 61.339965][ T433] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.345856][ T433] RIP: 0033:0x7fa740b210e9 [ 61.350285][ T433] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 61.369973][ T433] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 61.378543][ T433] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 61.386494][ T433] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 61.394453][ T433] RBP: 00007fa740a971d0 R08: 0000000000000000 R09: 0000000000000000 [ 61.402425][ T433] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 61.410385][ T433] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 61.418680][ T433] kobject_add_internal failed for queue (error: -2 parent: (null)) [ 61.426872][ T433] ------------[ cut here ]------------ [ 61.432609][ T433] WARNING: CPU: 0 PID: 433 at fs/sysfs/file.c:328 sysfs_create_files+0x215/0x4a0 [ 61.442003][ T433] Modules linked in: [ 61.446208][ T433] CPU: 0 PID: 433 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 61.458843][ T433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.469174][ T433] RIP: 0010:sysfs_create_files+0x215/0x4a0 [ 61.475157][ T433] Code: 24 04 48 b9 00 00 00 00 00 fc ff df 48 8b 54 24 08 4c 8b 74 24 20 eb 2b 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 e8 bb f2 9a ff <0f> 0b c7 44 24 04 ea ff ff ff 48 b9 00 00 00 00 00 fc ff df 48 8b [ 61.495258][ T433] RSP: 0018:ffffc90000ef7ae0 EFLAGS: 00010293 [ 61.501364][ T433] RAX: ffffffff81d1c011 RBX: ffff88810e8e8098 RCX: ffff88810c290000 [ 61.509426][ T433] RDX: 0000000000000000 RSI: ffffffff86139660 RDI: ffff88810e8e8068 [ 61.517715][ T433] RBP: ffffc90000ef7bb0 R08: ffffffff826b9538 R09: ffffed10215139de [ 61.525746][ T433] R10: ffffed10215139de R11: 1ffff110215139dd R12: 0000000000000000 [ 61.533776][ T433] R13: ffffffff854306a0 R14: ffff88810e8e8068 R15: ffffffff86139660 [ 61.542077][ T433] FS: 00007fa740a97700(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 61.551240][ T433] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.557883][ T433] CR2: 0000560e4db27be0 CR3: 000000010ee5e000 CR4: 00000000003506b0 [ 61.566250][ T433] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.574462][ T433] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.582752][ T433] Call Trace: [ 61.586272][ T433] ? sysfs_create_file_ns+0x2a0/0x2a0 [ 61.591674][ T433] ? __kasan_check_write+0x14/0x20 [ 61.597021][ T433] ? kobject_get+0xd2/0x120 [ 61.601578][ T433] __device_add_disk+0x9cb/0x11d0 [ 61.606681][ T433] ? device_add_disk+0x40/0x40 [ 61.611450][ T433] ? vsprintf+0x40/0x40 [ 61.615746][ T433] device_add_disk+0x2a/0x40 [ 61.620691][ T433] loop_add+0x58f/0x760 [ 61.624833][ T433] loop_control_ioctl+0x564/0x740 [ 61.630336][ T433] ? loop_remove+0xb0/0xb0 [ 61.634947][ T433] ? __fget_files+0x310/0x370 [ 61.639701][ T433] ? security_file_ioctl+0xb1/0xd0 [ 61.644979][ T433] ? loop_remove+0xb0/0xb0 [ 61.649554][ T433] __se_sys_ioctl+0x115/0x190 [ 61.654236][ T433] __x64_sys_ioctl+0x7b/0x90 [ 61.659194][ T433] do_syscall_64+0x34/0x70 [ 61.663718][ T433] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.669647][ T433] RIP: 0033:0x7fa740b210e9 [ 61.674184][ T433] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 61.694386][ T433] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 61.703420][ T433] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 61.711846][ T433] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 61.720188][ T433] RBP: 00007fa740a971d0 R08: 0000000000000000 R09: 0000000000000000 [ 61.728265][ T433] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 61.736346][ T433] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 61.744348][ T433] ---[ end trace 5dbc6bf4f09d0150 ]--- [ 61.749940][ T433] ------------[ cut here ]------------ [ 61.756454][ T433] kernfs: can not remove 'events', no directory [ 61.762731][ T433] WARNING: CPU: 0 PID: 433 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 61.772896][ T433] Modules linked in: [ 61.776860][ T433] CPU: 0 PID: 433 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 61.789014][ T433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.799125][ T433] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 61.805413][ T433] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 61.825211][ T433] RSP: 0018:ffffc90000ef7ab8 EFLAGS: 00010246 [ 61.831359][ T433] RAX: 3231953557abba00 RBX: ffffffff85430680 RCX: ffff88810c290000 [ 61.839353][ T433] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 61.847428][ T433] RBP: ffffc90000ef7ad0 R08: ffffffff8153a998 R09: ffffed103ee44e83 [ 61.855529][ T433] R10: ffffed103ee44e83 R11: 1ffff1103ee44e82 R12: ffffffff86139660 [ 61.863510][ T433] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 61.871506][ T433] FS: 00007fa740a97700(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 61.882195][ T433] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.889022][ T433] CR2: 0000560e4db27be0 CR3: 000000010ee5e000 CR4: 00000000003506b0 [ 61.897123][ T433] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.905225][ T433] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.913212][ T433] Call Trace: [ 61.916538][ T433] sysfs_create_files+0x40a/0x4a0 [ 61.921712][ T433] ? sysfs_create_file_ns+0x2a0/0x2a0 [ 61.927222][ T433] ? __kasan_check_write+0x14/0x20 [ 61.932331][ T433] ? kobject_get+0xd2/0x120 [ 61.937245][ T433] __device_add_disk+0x9cb/0x11d0 [ 61.942264][ T433] ? device_add_disk+0x40/0x40 [ 61.947043][ T433] ? vsprintf+0x40/0x40 [ 61.951328][ T433] device_add_disk+0x2a/0x40 [ 61.955945][ T433] loop_add+0x58f/0x760 [ 61.960415][ T433] loop_control_ioctl+0x564/0x740 [ 61.965487][ T433] ? loop_remove+0xb0/0xb0 [ 61.970091][ T433] ? __fget_files+0x310/0x370 [ 61.974780][ T433] ? security_file_ioctl+0xb1/0xd0 [ 61.980103][ T433] ? loop_remove+0xb0/0xb0 [ 61.984836][ T433] __se_sys_ioctl+0x115/0x190 [ 61.989660][ T433] __x64_sys_ioctl+0x7b/0x90 [ 61.994292][ T433] do_syscall_64+0x34/0x70 [ 61.998737][ T433] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.005155][ T433] RIP: 0033:0x7fa740b210e9 [ 62.009556][ T433] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 62.029874][ T433] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 62.038516][ T433] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 62.046594][ T433] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 62.054558][ T433] RBP: 00007fa740a971d0 R08: 0000000000000000 R09: 0000000000000000 [ 62.062685][ T433] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 62.070842][ T433] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 62.079630][ T433] ---[ end trace 5dbc6bf4f09d0151 ]--- [ 62.085260][ T433] loop0: failed to create sysfs files for events [ 62.096137][ T436] ------------[ cut here ]------------ [ 62.101616][ T436] kernfs: can not remove 'events', no directory [ 62.107970][ T436] WARNING: CPU: 1 PID: 436 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 62.117631][ T436] Modules linked in: [ 62.121520][ T436] CPU: 1 PID: 436 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 62.134021][ T436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.144140][ T436] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 62.150303][ T436] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 62.170029][ T436] RSP: 0018:ffffc90000ef7bf8 EFLAGS: 00010246 [ 62.176117][ T436] RAX: c7d1b9d7db4f1000 RBX: ffffffff85430680 RCX: ffff8881067d93c0 [ 62.184091][ T436] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 62.192162][ T436] RBP: ffffc90000ef7c10 R08: ffffffff8153a998 R09: fffff520001deea5 [ 62.200140][ T436] R10: fffff520001deea5 R11: 1ffff920001deea4 R12: 0000000000000000 [ 62.208114][ T436] R13: ffffffff86139660 R14: 0000000000000000 R15: 0000000000000000 [ 62.216303][ T436] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 62.225331][ T436] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.231945][ T436] CR2: 00007fa740c34028 CR3: 000000010ece6000 CR4: 00000000003506a0 [ 62.239924][ T436] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.247909][ T436] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.256592][ T436] Call Trace: [ 62.259886][ T436] sysfs_remove_files+0xab/0x110 [ 62.264805][ T436] del_gendisk+0x278/0xe20 [ 62.269242][ T436] ? device_add_disk_no_queue_reg+0x30/0x30 [ 62.275158][ T436] ? __radix_tree_delete+0x2ba/0x380 [ 62.280427][ T436] ? radix_tree_delete_item+0x261/0x360 [ 62.286025][ T436] loop_remove+0x46/0xb0 [ 62.290638][ T436] loop_control_ioctl+0x67f/0x740 [ 62.295708][ T436] ? loop_remove+0xb0/0xb0 [ 62.300264][ T436] ? __fget_files+0x310/0x370 [ 62.304967][ T436] ? security_file_ioctl+0xb1/0xd0 [ 62.310079][ T436] ? loop_remove+0xb0/0xb0 [ 62.314600][ T436] __se_sys_ioctl+0x115/0x190 [ 62.319306][ T436] __x64_sys_ioctl+0x7b/0x90 [ 62.323925][ T436] do_syscall_64+0x34/0x70 [ 62.328377][ T436] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.334265][ T436] RIP: 0033:0x7fa740b210e9 [ 62.338691][ 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 [ 62.358438][ T436] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 62.366964][ T436] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 62.374959][ T436] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 62.382914][ T436] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 62.390894][ T436] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 62.398985][ T436] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 62.406964][ T436] ---[ end trace 5dbc6bf4f09d0152 ]--- [ 62.412410][ T436] ------------[ cut here ]------------ [ 62.417883][ T436] kernfs: can not remove 'events_async', no directory [ 62.424693][ T436] WARNING: CPU: 1 PID: 436 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 62.434323][ T436] Modules linked in: [ 62.439446][ T436] CPU: 1 PID: 436 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 62.451821][ T436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.461909][ T436] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 62.468074][ T436] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 62.487832][ T436] RSP: 0018:ffffc90000ef7bf8 EFLAGS: 00010246 [ 62.493895][ T436] RAX: c7d1b9d7db4f1000 RBX: ffffffff85430760 RCX: ffff8881067d93c0 [ 62.501877][ T436] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 62.510123][ T436] RBP: ffffc90000ef7c10 R08: ffffffff8153a998 R09: ffffed103ee6a5d8 [ 62.518479][ T436] R10: ffffed103ee6a5d8 R11: 1ffff1103ee6a5d7 R12: 0000000000000000 [ 62.526565][ T436] R13: ffffffff86139660 R14: 0000000000000000 R15: 0000000000000000 [ 62.534521][ T436] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 62.543544][ T436] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.550140][ T436] CR2: 00007fa740c34028 CR3: 000000010ece6000 CR4: 00000000003506a0 [ 62.559204][ T436] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.567209][ T436] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.575198][ T436] Call Trace: [ 62.578657][ T436] sysfs_remove_files+0xab/0x110 [ 62.583791][ T436] del_gendisk+0x278/0xe20 [ 62.588313][ T436] ? device_add_disk_no_queue_reg+0x30/0x30 [ 62.594386][ T436] ? __radix_tree_delete+0x2ba/0x380 [ 62.599775][ T436] ? radix_tree_delete_item+0x261/0x360 [ 62.605440][ T436] loop_remove+0x46/0xb0 [ 62.609669][ T436] loop_control_ioctl+0x67f/0x740 [ 62.614668][ T436] ? loop_remove+0xb0/0xb0 [ 62.619116][ T436] ? __fget_files+0x310/0x370 [ 62.623804][ T436] ? security_file_ioctl+0xb1/0xd0 [ 62.629015][ T436] ? loop_remove+0xb0/0xb0 [ 62.633522][ T436] __se_sys_ioctl+0x115/0x190 [ 62.638227][ T436] __x64_sys_ioctl+0x7b/0x90 [ 62.642847][ T436] do_syscall_64+0x34/0x70 [ 62.647276][ T436] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.654811][ T436] RIP: 0033:0x7fa740b210e9 [ 62.659234][ 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 [ 62.678855][ T436] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 62.687364][ T436] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 62.695502][ T436] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 62.703458][ T436] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 62.711444][ T436] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 62.719437][ T436] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 62.727531][ T436] ---[ end trace 5dbc6bf4f09d0153 ]--- [ 62.732978][ T436] ------------[ cut here ]------------ [ 62.738449][ T436] kernfs: can not remove 'events_poll_msecs', no directory [ 62.745705][ T436] WARNING: CPU: 1 PID: 436 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 62.755254][ T436] Modules linked in: [ 62.759150][ T436] CPU: 1 PID: 436 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 62.771321][ T436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.781405][ T436] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 62.787562][ T436] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 62.807192][ T436] RSP: 0018:ffffc90000ef7bf8 EFLAGS: 00010246 [ 62.813244][ T436] RAX: c7d1b9d7db4f1000 RBX: ffffffff854307c0 RCX: ffff8881067d93c0 [ 62.821315][ T436] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 62.829300][ T436] RBP: ffffc90000ef7c10 R08: ffffffff8153a998 R09: ffffed103ee6a5d8 [ 62.837277][ T436] R10: ffffed103ee6a5d8 R11: 1ffff1103ee6a5d7 R12: 0000000000000000 [ 62.845261][ T436] R13: ffffffff86139660 R14: 0000000000000000 R15: 0000000000000000 [ 62.853658][ T436] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 62.862617][ T436] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.869231][ T436] CR2: 00007fa740c34028 CR3: 000000010ece6000 CR4: 00000000003506a0 [ 62.877485][ T436] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.885493][ T436] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.893622][ T436] Call Trace: [ 62.897047][ T436] sysfs_remove_files+0xab/0x110 [ 62.901990][ T436] del_gendisk+0x278/0xe20 [ 62.906466][ T436] ? device_add_disk_no_queue_reg+0x30/0x30 [ 62.912358][ T436] ? __radix_tree_delete+0x2ba/0x380 [ 62.917844][ T436] ? radix_tree_delete_item+0x261/0x360 [ 62.923393][ T436] loop_remove+0x46/0xb0 [ 62.927648][ T436] loop_control_ioctl+0x67f/0x740 [ 62.932674][ T436] ? loop_remove+0xb0/0xb0 [ 62.937099][ T436] ? __fget_files+0x310/0x370 [ 62.941775][ T436] ? security_file_ioctl+0xb1/0xd0 [ 62.946923][ T436] ? loop_remove+0xb0/0xb0 [ 62.951344][ T436] __se_sys_ioctl+0x115/0x190 [ 62.956208][ T436] __x64_sys_ioctl+0x7b/0x90 [ 62.960852][ T436] do_syscall_64+0x34/0x70 [ 62.965307][ T436] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.971202][ T436] RIP: 0033:0x7fa740b210e9 [ 62.975632][ 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 [ 62.995348][ T436] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 63.003747][ T436] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 63.011730][ T436] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 63.019707][ T436] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 63.027880][ T436] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 63.035985][ T436] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 63.043941][ T436] ---[ end trace 5dbc6bf4f09d0154 ]--- [ 63.049624][ T436] ------------[ cut here ]------------ [ 63.055109][ T436] kernfs: can not remove 'bdi', no directory [ 63.061133][ T436] WARNING: CPU: 1 PID: 436 at fs/kernfs/dir.c:1513 kernfs_remove_by_name_ns+0x86/0xb0 [ 63.070801][ T436] Modules linked in: [ 63.074759][ T436] CPU: 1 PID: 436 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 63.087359][ T436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.097542][ T436] RIP: 0010:kernfs_remove_by_name_ns+0x86/0xb0 [ 63.103761][ T436] Code: 40 0c 2d 85 31 c0 e8 69 8b 6d ff 0f 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 89 de 31 c0 e8 4a 8b 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 dc 50 9b ff bb fe ff ff ff 48 c7 c7 [ 63.124485][ T436] RSP: 0018:ffffc90000ef7c18 EFLAGS: 00010246 [ 63.130662][ T436] RAX: c7d1b9d7db4f1000 RBX: ffffffff85430060 RCX: ffff8881067d93c0 [ 63.138639][ T436] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 63.146616][ T436] RBP: ffffc90000ef7c30 R08: ffffffff8153a998 R09: ffffed103ee64e83 [ 63.154569][ T436] R10: ffffed103ee64e83 R11: 1ffff1103ee64e82 R12: 0000000000000240 [ 63.162894][ T436] R13: ffff88810e8e8030 R14: 0000000000000000 R15: 0000000000000000 [ 63.171341][ T436] FS: 00007fa740a97700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 63.180287][ T436] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.187111][ T436] CR2: 00007fa740c34028 CR3: 000000010ece6000 CR4: 00000000003506a0 [ 63.195392][ T436] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.203354][ T436] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.211461][ T436] Call Trace: [ 63.214755][ T436] sysfs_remove_link+0x50/0x60 [ 63.219527][ T436] del_gendisk+0x7cd/0xe20 [ 63.224045][ T436] ? device_add_disk_no_queue_reg+0x30/0x30 [ 63.229952][ T436] ? __radix_tree_delete+0x2ba/0x380 [ 63.235271][ T436] ? radix_tree_delete_item+0x261/0x360 [ 63.240798][ T436] loop_remove+0x46/0xb0 [ 63.245192][ T436] loop_control_ioctl+0x67f/0x740 [ 63.250297][ T436] ? loop_remove+0xb0/0xb0 [ 63.254712][ T436] ? __fget_files+0x310/0x370 [ 63.259531][ T436] ? security_file_ioctl+0xb1/0xd0 [ 63.264821][ T436] ? loop_remove+0xb0/0xb0 [ 63.269284][ T436] __se_sys_ioctl+0x115/0x190 [ 63.274009][ T436] __x64_sys_ioctl+0x7b/0x90 [ 63.278623][ T436] do_syscall_64+0x34/0x70 [ 63.283039][ T436] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 63.289112][ T436] RIP: 0033:0x7fa740b210e9 [ 63.293523][ 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 [ 63.313332][ T436] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 63.321770][ T436] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 63.330101][ T436] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 63.338285][ T436] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 63.346434][ T436] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 63.354498][ T436] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 63.362625][ T436] ---[ end trace 5dbc6bf4f09d0155 ]--- [ 63.369158][ T436] ------------[ cut here ]------------ [ 63.374715][ T436] kernfs: can not remove directory. Name is NULL [ 63.381165][ T436] WARNING: CPU: 1 PID: 436 at fs/kernfs/dir.c:1507 kernfs_remove_by_name_ns+0x67/0xb0 [ 63.390851][ T436] Modules linked in: [ 63.394741][ T436] CPU: 1 PID: 436 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 63.407026][ T436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.417380][ T436] RIP: 0010:kernfs_remove_by_name_ns+0x67/0xb0 [ 63.423525][ T436] Code: c0 74 4f 48 89 c3 e8 28 51 9b ff 48 89 df e8 c0 ee ff ff 31 db eb 45 e8 17 51 9b ff 48 c7 c7 40 0c 2d 85 31 c0 e8 69 8b 6d ff <0f> 0b bb ea ff ff ff eb 35 e8 fb 50 9b ff 48 c7 c7 a0 0c 2d 85 48 [ 63.443287][ T436] RSP: 0018:ffffc90000ef7c18 EFLAGS: 00010246 [ 63.449375][ T436] RAX: c7d1b9d7db4f1000 RBX: 0000000000000000 RCX: ffff8881067d93c0 [ 63.457352][ T436] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 63.465331][ T436] RBP: ffffc90000ef7c30 R08: ffffffff8153a998 R09: ffffed103ee6a5d8 [ 63.473285][ T436] R10: ffffed103ee6a5d8 R11: 1ffff1103ee6a5d7 R12: dffffc0000000000 [ 63.481274][ T436] R13: 1ffffffff0cbdb73 R14: 0000000000000000 R15: ffff8881067aa320 [ 63.489463][ T436] FS: 00007fa740a97700(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 63.498435][ T436] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.505141][ T436] CR2: 00007fff74106e08 CR3: 000000010ece6000 CR4: 00000000003506b0 [ 63.513665][ T436] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.521656][ T436] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.529650][ T436] Call Trace: [ 63.533048][ T436] sysfs_remove_link+0x50/0x60 [ 63.537867][ T436] del_gendisk+0xbe0/0xe20 [ 63.542418][ T436] ? device_add_disk_no_queue_reg+0x30/0x30 [ 63.548327][ T436] ? __radix_tree_delete+0x2ba/0x380 [ 63.553777][ T436] ? radix_tree_delete_item+0x261/0x360 [ 63.559354][ T436] loop_remove+0x46/0xb0 [ 63.563687][ T436] loop_control_ioctl+0x67f/0x740 [ 63.568752][ T436] ? loop_remove+0xb0/0xb0 [ 63.573167][ T436] ? __fget_files+0x310/0x370 [ 63.577873][ T436] ? security_file_ioctl+0xb1/0xd0 [ 63.582996][ T436] ? loop_remove+0xb0/0xb0 [ 63.587600][ T436] __se_sys_ioctl+0x115/0x190 [ 63.592279][ T436] __x64_sys_ioctl+0x7b/0x90 [ 63.596970][ T436] do_syscall_64+0x34/0x70 [ 63.601383][ T436] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 63.607456][ T436] RIP: 0033:0x7fa740b210e9 [ 63.611871][ 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 [ 63.632060][ T436] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 63.640502][ T436] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 63.648691][ T436] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 63.656880][ T436] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 63.665695][ T436] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 63.673778][ T436] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 63.681784][ T436] ---[ end trace 5dbc6bf4f09d0156 ]--- [ 63.687281][ T436] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 63.699060][ T436] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 63.707576][ T436] CPU: 0 PID: 436 Comm: syz-executor.0 Tainted: G W 5.10.117-syzkaller-986967-g0974b8411a58-dirty #0 [ 63.719901][ T436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.730063][ T436] RIP: 0010:strchr+0x23/0xa0 [ 63.734819][ T436] Code: 41 5f 5d c3 0f 1f 00 55 48 89 e5 41 57 41 56 41 54 53 49 89 fe 49 bf 00 00 00 00 00 fc ff df 44 0f be e6 48 89 f8 48 c1 e8 03 <42> 8a 04 38 84 c0 75 5d 41 0f be 06 41 39 c4 74 48 49 8d 5e 01 0f [ 63.754410][ T436] RSP: 0018:ffffc90000ef79a0 EFLAGS: 00010246 [ 63.760477][ T436] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff8881067d93c0 [ 63.768436][ T436] RDX: 0000000000000000 RSI: 0000000000000021 RDI: 0000000000000000 [ 63.776422][ T436] RBP: ffffc90000ef79c0 R08: ffffc90000ef7a60 R09: ffffc90000ef7a80 [ 63.784397][ T436] R10: fffff520001def5a R11: 1ffff920001def50 R12: 0000000000000021 [ 63.792354][ T436] R13: ffff88810e8e8068 R14: 0000000000000000 R15: dffffc0000000000 [ 63.800305][ T436] FS: 00007fa740a97700(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 63.811123][ T436] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.817794][ T436] CR2: 00007fff74106e08 CR3: 000000010ece6000 CR4: 00000000003506b0 [ 63.825852][ T436] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.833820][ T436] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.841776][ T436] Call Trace: [ 63.845065][ T436] device_get_devnode+0x23f/0x2b0 [ 63.850157][ T436] devtmpfs_delete_node+0xdd/0x2e0 [ 63.855356][ T436] ? devtmpfs_create_node+0x4a0/0x4a0 [ 63.860720][ T436] ? __kasan_check_write+0x14/0x20 [ 63.865807][ T436] ? __warn+0x1e7/0x260 [ 63.869937][ T436] ? mutex_trylock+0xb0/0xb0 [ 63.874526][ T436] ? kernfs_remove_by_name_ns+0x67/0xb0 [ 63.880145][ T436] device_del+0x351/0xf90 [ 63.884463][ T436] ? kill_device+0xd0/0xd0 [ 63.888868][ T436] ? mutex_unlock+0x1d/0x40 [ 63.893487][ T436] del_gendisk+0xbf2/0xe20 [ 63.897879][ T436] ? device_add_disk_no_queue_reg+0x30/0x30 [ 63.903751][ T436] ? __radix_tree_delete+0x2ba/0x380 [ 63.909008][ T436] ? radix_tree_delete_item+0x261/0x360 [ 63.914545][ T436] loop_remove+0x46/0xb0 [ 63.918803][ T436] loop_control_ioctl+0x67f/0x740 [ 63.923899][ T436] ? loop_remove+0xb0/0xb0 [ 63.928292][ T436] ? __fget_files+0x310/0x370 [ 63.932960][ T436] ? security_file_ioctl+0xb1/0xd0 [ 63.938056][ T436] ? loop_remove+0xb0/0xb0 [ 63.942450][ T436] __se_sys_ioctl+0x115/0x190 [ 63.947221][ T436] __x64_sys_ioctl+0x7b/0x90 [ 63.951803][ T436] do_syscall_64+0x34/0x70 [ 63.956381][ T436] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 63.964416][ T436] RIP: 0033:0x7fa740b210e9 [ 63.968808][ 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 [ 63.988679][ T436] RSP: 002b:00007fa740a97168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 63.997516][ T436] RAX: ffffffffffffffda RBX: 00007fa740c33f60 RCX: 00007fa740b210e9 [ 64.005994][ T436] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 64.014039][ T436] RBP: 00007fa740b7b08d R08: 0000000000000000 R09: 0000000000000000 [ 64.022712][ T436] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 64.031010][ T436] R13: 00007fffdf5c37bf R14: 00007fa740a97300 R15: 0000000000022000 [ 64.039258][ T436] Modules linked in: [ 64.043431][ T436] ---[ end trace 5dbc6bf4f09d0157 ]--- [ 64.049009][ T436] RIP: 0010:strchr+0x23/0xa0 [ 64.053978][ T436] Code: 41 5f 5d c3 0f 1f 00 55 48 89 e5 41 57 41 56 41 54 53 49 89 fe 49 bf 00 00 00 00 00 fc ff df 44 0f be e6 48 89 f8 48 c1 e8 03 <42> 8a 04 38 84 c0 75 5d 41 0f be 06 41 39 c4 74 48 49 8d 5e 01 0f [ 64.074068][ T436] RSP: 0018:ffffc90000ef79a0 EFLAGS: 00010246 [ 64.080191][ T436] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff8881067d93c0 [ 64.088297][ T436] RDX: 0000000000000000 RSI: 0000000000000021 RDI: 0000000000000000 [ 64.096390][ T436] RBP: ffffc90000ef79c0 R08: ffffc90000ef7a60 R09: ffffc90000ef7a80 [ 64.104695][ T436] R10: fffff520001def5a R11: 1ffff920001def50 R12: 0000000000000021 [ 64.112806][ T436] R13: ffff88810e8e8068 R14: 0000000000000000 R15: dffffc0000000000 [ 64.120990][ T436] FS: 00007fa740a97700(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 64.130162][ T436] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.137134][ T436] CR2: 00007fff74106e08 CR3: 000000010ece6000 CR4: 00000000003506b0 [ 64.145578][ T436] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 64.153561][ T436] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 64.161565][ T436] Kernel panic - not syncing: Fatal exception [ 64.167871][ T436] Kernel Offset: disabled [ 64.172184][ T436] Rebooting in 86400 seconds..