Warning: Permanently added '10.128.10.5' (ECDSA) to the list of known hosts. 2022/04/19 15:13:21 parsed 1 programs [ 26.735244][ T23] kauditd_printk_skb: 65 callbacks suppressed [ 26.735253][ T23] audit: type=1400 audit(1650381201.900:148): avc: denied { mounton } for pid=401 comm="syz-executor" path="/syzcgroup/unified" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=dir permissive=1 [ 26.735541][ T401] cgroup: Unknown subsys name 'net' [ 26.770356][ T401] cgroup: Unknown subsys name 'devices' [ 26.776767][ T401] cgroup: Unknown subsys name 'hugetlb' 2022/04/19 15:13:21 executed programs: 0 [ 26.782606][ T401] cgroup: Unknown subsys name 'rlimit' [ 26.788803][ T23] audit: type=1400 audit(1650381201.950:149): avc: denied { mounton } for pid=401 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 26.817435][ T23] audit: type=1400 audit(1650381201.960:150): avc: denied { mount } for pid=401 comm="syz-executor" name="/" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=filesystem permissive=1 [ 26.885405][ T23] audit: type=1400 audit(1650381202.000:151): avc: denied { mounton } for pid=409 comm="syz-executor.1" 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 [ 26.909479][ T23] audit: type=1400 audit(1650381202.000:152): avc: denied { module_request } for pid=409 comm="syz-executor.1" kmod="netdev-nr1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 26.951826][ T410] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.959022][ T410] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.968378][ T410] device bridge_slave_0 entered promiscuous mode [ 26.979031][ T410] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.987080][ T410] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.995632][ T410] device bridge_slave_1 entered promiscuous mode [ 27.026708][ T409] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.034982][ T409] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.044649][ T409] device bridge_slave_0 entered promiscuous mode [ 27.064737][ T409] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.073010][ T409] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.081288][ T409] device bridge_slave_1 entered promiscuous mode [ 27.095146][ T411] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.102295][ T411] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.109750][ T411] device bridge_slave_0 entered promiscuous mode [ 27.117582][ T411] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.124761][ T411] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.132282][ T411] device bridge_slave_1 entered promiscuous mode [ 27.212516][ T410] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.219569][ T410] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.226816][ T410] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.234009][ T410] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.241955][ T416] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.249032][ T416] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.257128][ T416] device bridge_slave_0 entered promiscuous mode [ 27.266263][ T416] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.273549][ T416] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.281032][ T416] device bridge_slave_1 entered promiscuous mode [ 27.295150][ T415] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.302515][ T415] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.310007][ T415] device bridge_slave_0 entered promiscuous mode [ 27.319786][ T409] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.326864][ T409] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.334144][ T409] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.341176][ T409] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.351844][ T414] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.359229][ T414] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.366854][ T414] device bridge_slave_0 entered promiscuous mode [ 27.373623][ T415] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.381042][ T415] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.388414][ T415] device bridge_slave_1 entered promiscuous mode [ 27.419104][ T414] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.426561][ T414] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.433981][ T414] device bridge_slave_1 entered promiscuous mode [ 27.473132][ T378] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.480624][ T378] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.487825][ T378] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.495260][ T378] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.503513][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 27.511114][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 27.531114][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 27.539293][ T378] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.546329][ T378] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.554639][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 27.562918][ T378] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.569972][ T378] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.591692][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 27.599355][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 27.607099][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 27.615966][ T374] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.623148][ T374] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.631051][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 27.639845][ T374] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.646874][ T374] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.686717][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 27.696247][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 27.705581][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 27.714321][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 27.723236][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 27.731863][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 27.740635][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 27.782122][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 27.790429][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 27.798611][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 27.807533][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 27.816404][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 27.824922][ T378] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.832679][ T378] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.840530][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 27.848861][ T378] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.855880][ T378] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.863304][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 27.871455][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 27.880019][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 27.888498][ T378] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.895554][ T378] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.918808][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 27.926956][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 27.936202][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 27.947270][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 27.955268][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 27.963650][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 27.971409][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 27.979225][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 27.987618][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 27.995670][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 28.004345][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 28.013329][ T378] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.020813][ T378] bridge0: port 1(bridge_slave_0) entered forwarding state [ 28.028287][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 28.036746][ T378] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.043820][ T378] bridge0: port 2(bridge_slave_1) entered forwarding state [ 28.060406][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 28.067956][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 28.076090][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 28.084407][ T378] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.091548][ T378] bridge0: port 1(bridge_slave_0) entered forwarding state [ 28.099780][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 28.108088][ T378] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.115162][ T378] bridge0: port 2(bridge_slave_1) entered forwarding state [ 28.132056][ T23] audit: type=1400 audit(1650381203.300:153): avc: denied { mount } for pid=410 comm="syz-executor.2" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [ 28.165339][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 28.166200][ T23] audit: type=1400 audit(1650381203.330:154): avc: denied { ioctl } for pid=435 comm="syz-executor.2" path="/dev/loop-control" dev="devtmpfs" ino=114 ioctlcmd=0x4c80 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 28.175140][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 28.208353][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 28.217402][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 28.225553][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 28.234844][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 28.244443][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 28.254230][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 28.254786][ T440] FAULT_INJECTION: forcing a failure. [ 28.254786][ T440] name failslab, interval 1, probability 0, space 0, times 1 [ 28.262492][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 28.277276][ T440] CPU: 0 PID: 440 Comm: syz-executor.2 Not tainted 5.10.101-syzkaller-00009-g0dcfc2c03655 #0 [ 28.283957][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 28.293861][ T440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.293866][ T440] Call Trace: [ 28.293886][ T440] dump_stack_lvl+0x1e2/0x24b [ 28.293893][ T440] ? panic+0x7d7/0x7d7 [ 28.293902][ T440] ? bfq_pos_tree_add_move+0x43e/0x43e [ 28.293910][ T440] ? __kasan_kmalloc+0x9/0x10 [ 28.293919][ T440] ? kobj_map+0x72/0x6f0 [ 28.293928][ T440] ? __device_add_disk+0x663/0x11d0 [ 28.293935][ T440] ? device_add_disk+0x2a/0x40 [ 28.293956][ T440] ? loop_control_ioctl+0x564/0x740 [ 28.302792][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 28.312327][ T440] ? __se_sys_ioctl+0x115/0x190 [ 28.312335][ T440] ? __x64_sys_ioctl+0x7b/0x90 [ 28.312345][ T440] dump_stack+0x15/0x17 [ 28.312353][ T440] should_fail+0x3c0/0x510 [ 28.312370][ T440] ? kvasprintf_const+0x139/0x180 [ 28.316157][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 28.320621][ T440] __should_failslab+0x9f/0xe0 [ 28.320634][ T440] should_failslab+0x9/0x20 [ 28.320657][ T440] __kmalloc_track_caller+0x5f/0x350 [ 28.320667][ T440] kstrdup_const+0x55/0x90 [ 28.320677][ T440] kvasprintf_const+0x139/0x180 [ 28.320690][ T440] kobject_set_name_vargs+0x61/0x120 [ 28.320699][ T440] dev_set_name+0xd1/0x120 [ 28.320710][ T440] ? __kmalloc+0x1f7/0x360 [ 28.320717][ T440] ? get_device+0x30/0x30 [ 28.320726][ T440] ? kobj_map+0x6ad/0x6f0 [ 28.320738][ T440] __device_add_disk+0x6e5/0x11d0 [ 28.320747][ T440] ? device_add_disk+0x40/0x40 [ 28.320759][ T440] ? vsprintf+0x40/0x40 [ 28.320768][ T440] device_add_disk+0x2a/0x40 [ 28.320778][ T440] loop_add+0x58f/0x760 [ 28.320787][ T440] loop_control_ioctl+0x564/0x740 [ 28.320795][ T440] ? loop_remove+0xb0/0xb0 [ 28.320804][ T440] ? __fget_files+0x39e/0x3d0 [ 28.320815][ T440] ? security_file_ioctl+0xb1/0xd0 [ 28.320822][ T440] ? loop_remove+0xb0/0xb0 [ 28.320830][ T440] __se_sys_ioctl+0x115/0x190 [ 28.320838][ T440] __x64_sys_ioctl+0x7b/0x90 [ 28.320849][ T440] do_syscall_64+0x34/0x70 [ 28.320858][ T440] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 28.320869][ T440] RIP: 0033:0x7f86ea3820e9 [ 28.320881][ T440] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 28.320886][ T440] RSP: 002b:00007f86ea2f8168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 28.320900][ T440] RAX: ffffffffffffffda RBX: 00007f86ea494f60 RCX: 00007f86ea3820e9 [ 28.320905][ T440] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 28.320910][ T440] RBP: 00007f86ea2f81d0 R08: 0000000000000000 R09: 0000000000000000 [ 28.320915][ T440] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 28.320920][ T440] R13: 00007ffdd4e66e2f R14: 00007f86ea2f8300 R15: 0000000000022000 [ 28.321579][ T440] kobject_add_internal failed for queue (error: -2 parent: (null)) [ 28.326043][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 28.331212][ T440] ------------[ cut here ]------------ [ 28.336028][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 28.340099][ T440] WARNING: CPU: 0 PID: 440 at fs/sysfs/file.c:328 sysfs_create_files+0x215/0x4a0 [ 28.345493][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 28.350049][ T440] Modules linked in: [ 28.355389][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 28.363001][ T440] [ 28.367834][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 28.372609][ T440] CPU: 0 PID: 440 Comm: syz-executor.2 Not tainted 5.10.101-syzkaller-00009-g0dcfc2c03655 #0 [ 28.376904][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 28.381080][ T440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.386502][ T378] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 28.394406][ T440] RIP: 0010:sysfs_create_files+0x215/0x4a0 [ 28.399543][ T378] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.403924][ T440] 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 7b 02 9b ff <0f> 0b c7 44 24 04 ea ff ff ff 48 b9 00 00 00 00 00 fc ff df 48 8b [ 28.409116][ T378] bridge0: port 2(bridge_slave_1) entered forwarding state [ 28.732562][ T440] RSP: 0018:ffffc90001067ae0 EFLAGS: 00010293 [ 28.740135][ T440] RAX: ffffffff81d1ae81 RBX: ffff88810ffca098 RCX: ffff88810c4ca780 [ 28.748419][ T440] RDX: 0000000000000000 RSI: ffffffff86138e00 RDI: ffff88810ffca068 [ 28.749532][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 28.756767][ T440] RBP: ffffc90001067bb0 R08: ffffffff826b6428 R09: ffffed102126bd20 [ 28.764903][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 28.772862][ T440] R10: ffffed102126bd20 R11: 1ffff1102126bd1f R12: 0000000000000000 [ 28.772870][ T440] R13: ffffffff8542eda0 R14: ffff88810ffca068 R15: ffffffff86138e00 [ 28.772880][ T440] FS: 00007f86ea2f8700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 28.772887][ T440] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.772895][ T440] CR2: 00007f86ea2d7718 CR3: 000000010fb74000 CR4: 00000000003506a0 [ 28.772905][ T440] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 28.772911][ T440] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 28.772914][ T440] Call Trace: [ 28.772932][ T440] ? sysfs_create_file_ns+0x2a0/0x2a0 [ 28.772946][ T440] ? __kasan_check_write+0x14/0x20 [ 28.772968][ T440] ? kobject_get+0xd2/0x120 [ 28.772980][ T440] __device_add_disk+0x9cb/0x11d0 [ 28.772991][ T440] ? device_add_disk+0x40/0x40 [ 28.773002][ T440] ? vsprintf+0x40/0x40 [ 28.773012][ T440] device_add_disk+0x2a/0x40 [ 28.773024][ T440] loop_add+0x58f/0x760 [ 28.773035][ T440] loop_control_ioctl+0x564/0x740 [ 28.773044][ T440] ? loop_remove+0xb0/0xb0 [ 28.773056][ T440] ? __fget_files+0x39e/0x3d0 [ 28.773068][ T440] ? security_file_ioctl+0xb1/0xd0 [ 28.773077][ T440] ? loop_remove+0xb0/0xb0 [ 28.773088][ T440] __se_sys_ioctl+0x115/0x190 [ 28.773098][ T440] __x64_sys_ioctl+0x7b/0x90 [ 28.773109][ T440] do_syscall_64+0x34/0x70 [ 28.773120][ T440] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 28.773128][ T440] RIP: 0033:0x7f86ea3820e9 [ 28.773138][ T440] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 28.773144][ T440] RSP: 002b:00007f86ea2f8168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 28.773158][ T440] RAX: ffffffffffffffda RBX: 00007f86ea494f60 RCX: 00007f86ea3820e9 [ 28.773163][ T440] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 28.773168][ T440] RBP: 00007f86ea2f81d0 R08: 0000000000000000 R09: 0000000000000000 [ 28.773174][ T440] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 28.773180][ T440] R13: 00007ffdd4e66e2f R14: 00007f86ea2f8300 R15: 0000000000022000 [ 28.773187][ T440] ---[ end trace 1a1e5e36d1a6c770 ]--- [ 28.773192][ T440] ------------[ cut here ]------------ [ 28.773196][ T440] kernfs: can not remove 'events', no directory [ 28.773261][ T440] WARNING: CPU: 1 PID: 440 at fs/kernfs/dir.c:1508 kernfs_remove_by_name_ns+0x65/0x90 [ 28.773264][ T440] Modules linked in: [ 28.773277][ T440] CPU: 1 PID: 440 Comm: syz-executor.2 Tainted: G W 5.10.101-syzkaller-00009-g0dcfc2c03655 #0 [ 28.773281][ T440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.773290][ T440] RIP: 0010:kernfs_remove_by_name_ns+0x65/0x90 [ 28.773298][ T440] Code: 48 89 c3 e8 cd 60 9b ff 48 89 df e8 c5 ee ff ff 31 db eb 29 e8 bc 60 9b ff 48 c7 c7 c0 f9 2c 85 4c 89 fe 31 c0 e8 ab b0 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 9d 60 9b ff bb fe ff ff ff 48 c7 c7 [ 28.773304][ T440] RSP: 0018:ffffc90001067ab8 EFLAGS: 00010246 [ 28.773311][ T440] RAX: e0b6008bc0caf000 RBX: 0000000000000000 RCX: ffff88810c4ca780 [ 28.773316][ T440] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 28.773323][ T440] RBP: ffffc90001067ad0 R08: ffffffff8153b448 R09: ffffed103ee64e83 [ 28.773330][ T440] R10: ffffed103ee64e83 R11: 1ffff1103ee64e82 R12: ffffffff86138e00 [ 28.773336][ T440] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff8542ed80 [ 28.773345][ T440] FS: 00007f86ea2f8700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 28.773353][ T440] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.773360][ T440] CR2: 00007f86ea2d7718 CR3: 000000010fb74000 CR4: 00000000003506a0 [ 28.773369][ T440] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 28.773375][ T440] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 28.773378][ T440] Call Trace: [ 28.773388][ T440] sysfs_create_files+0x40a/0x4a0 [ 28.773398][ T440] ? sysfs_create_file_ns+0x2a0/0x2a0 [ 28.773408][ T440] ? __kasan_check_write+0x14/0x20 [ 28.773418][ T440] ? kobject_get+0xd2/0x120 [ 28.773428][ T440] __device_add_disk+0x9cb/0x11d0 [ 28.773437][ T440] ? device_add_disk+0x40/0x40 [ 28.773445][ T440] ? vsprintf+0x40/0x40 [ 28.773454][ T440] device_add_disk+0x2a/0x40 [ 28.773462][ T440] loop_add+0x58f/0x760 [ 28.773473][ T440] loop_control_ioctl+0x564/0x740 [ 28.773482][ T440] ? loop_remove+0xb0/0xb0 [ 28.773492][ T440] ? __fget_files+0x39e/0x3d0 [ 28.773507][ T440] ? security_file_ioctl+0xb1/0xd0 [ 28.782321][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 28.792268][ T440] ? loop_remove+0xb0/0xb0 [ 28.797904][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 28.807475][ T440] __se_sys_ioctl+0x115/0x190 [ 28.814281][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 28.822230][ T440] __x64_sys_ioctl+0x7b/0x90 [ 28.830682][ T23] audit: type=1400 audit(1650381204.000:155): 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 [ 28.838389][ T440] do_syscall_64+0x34/0x70 [ 28.841603][ T23] audit: type=1400 audit(1650381204.000:156): 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 [ 28.846930][ T440] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 28.853381][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 28.856928][ T440] RIP: 0033:0x7f86ea3820e9 [ 28.861689][ T23] audit: type=1400 audit(1650381204.000:157): 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 [ 28.866537][ T440] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 28.870841][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 28.875350][ T440] RSP: 002b:00007f86ea2f8168 EFLAGS: 00000246 [ 28.879972][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 28.884836][ T440] ORIG_RAX: 0000000000000010 [ 28.889813][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 28.894642][ T440] RAX: ffffffffffffffda RBX: 00007f86ea494f60 RCX: 00007f86ea3820e9 [ 28.899790][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 28.904115][ T440] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 29.443182][ T440] RBP: 00007f86ea2f81d0 R08: 0000000000000000 R09: 0000000000000000 [ 29.451368][ T440] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 29.459546][ T440] R13: 00007ffdd4e66e2f R14: 00007f86ea2f8300 R15: 0000000000022000 [ 29.468868][ T440] ---[ end trace 1a1e5e36d1a6c771 ]--- [ 29.474632][ T440] loop0: failed to create sysfs files for events [ 29.481989][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 29.487083][ T443] ------------[ cut here ]------------ [ 29.490729][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 29.495170][ T443] kernfs: can not remove 'events', no directory [ 29.503784][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 29.509265][ T443] WARNING: CPU: 1 PID: 443 at fs/kernfs/dir.c:1508 kernfs_remove_by_name_ns+0x65/0x90 [ 29.509268][ T443] Modules linked in: [ 29.509299][ T443] CPU: 1 PID: 443 Comm: syz-executor.2 Tainted: G W 5.10.101-syzkaller-00009-g0dcfc2c03655 #0 [ 29.509305][ T443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.509316][ T443] RIP: 0010:kernfs_remove_by_name_ns+0x65/0x90 [ 29.509326][ T443] Code: 48 89 c3 e8 cd 60 9b ff 48 89 df e8 c5 ee ff ff 31 db eb 29 e8 bc 60 9b ff 48 c7 c7 c0 f9 2c 85 4c 89 fe 31 c0 e8 ab b0 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 9d 60 9b ff bb fe ff ff ff 48 c7 c7 [ 29.509333][ T443] RSP: 0018:ffffc900010b7bf8 EFLAGS: 00010246 [ 29.509342][ T443] RAX: dba5388912aa3300 RBX: 0000000000000000 RCX: ffff88810c5762c0 [ 29.509348][ T443] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 29.509355][ T443] RBP: ffffc900010b7c10 R08: ffffffff8153b448 R09: 0000000000000003 [ 29.509361][ T443] R10: fffff52000216ecd R11: 1ffff92000216ecc R12: 0000000000000000 [ 29.509368][ T443] R13: ffffffff86138e00 R14: 0000000000000000 R15: ffffffff8542ed80 [ 29.509378][ T443] FS: 00007f86ea2f8700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 29.509385][ T443] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.509391][ T443] CR2: 00007f86ea2f7ff8 CR3: 0000000121ae6000 CR4: 00000000003506a0 [ 29.509401][ T443] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 29.509407][ T443] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 29.509410][ T443] Call Trace: [ 29.509421][ T443] sysfs_remove_files+0xab/0x110 [ 29.509431][ T443] del_gendisk+0x278/0xe20 [ 29.509442][ T443] ? device_add_disk_no_queue_reg+0x30/0x30 [ 29.509451][ T443] ? __radix_tree_delete+0x2ba/0x380 [ 29.509461][ T443] ? radix_tree_delete_item+0x261/0x360 [ 29.509491][ T443] loop_remove+0x46/0xb0 [ 29.509502][ T443] loop_control_ioctl+0x67f/0x740 [ 29.509512][ T443] ? loop_remove+0xb0/0xb0 [ 29.509522][ T443] ? __fget_files+0x39e/0x3d0 [ 29.509533][ T443] ? security_file_ioctl+0xb1/0xd0 [ 29.509541][ T443] ? loop_remove+0xb0/0xb0 [ 29.509551][ T443] __se_sys_ioctl+0x115/0x190 [ 29.509561][ T443] __x64_sys_ioctl+0x7b/0x90 [ 29.509571][ T443] do_syscall_64+0x34/0x70 [ 29.509580][ T443] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 29.509587][ T443] RIP: 0033:0x7f86ea3820e9 [ 29.509597][ T443] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 29.509603][ T443] RSP: 002b:00007f86ea2f8168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 29.509614][ T443] RAX: ffffffffffffffda RBX: 00007f86ea494f60 RCX: 00007f86ea3820e9 [ 29.509620][ T443] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 29.509626][ T443] RBP: 00007f86ea3dc08d R08: 0000000000000000 R09: 0000000000000000 [ 29.509632][ T443] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 29.509639][ T443] R13: 00007ffdd4e66e2f R14: 00007f86ea2f8300 R15: 0000000000022000 [ 29.509646][ T443] ---[ end trace 1a1e5e36d1a6c772 ]--- [ 29.509650][ T443] ------------[ cut here ]------------ [ 29.509654][ T443] kernfs: can not remove 'events_async', no directory [ 29.509713][ T443] WARNING: CPU: 1 PID: 443 at fs/kernfs/dir.c:1508 kernfs_remove_by_name_ns+0x65/0x90 [ 29.509716][ T443] Modules linked in: [ 29.509729][ T443] CPU: 1 PID: 443 Comm: syz-executor.2 Tainted: G W 5.10.101-syzkaller-00009-g0dcfc2c03655 #0 [ 29.509733][ T443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.509743][ T443] RIP: 0010:kernfs_remove_by_name_ns+0x65/0x90 [ 29.509751][ T443] Code: 48 89 c3 e8 cd 60 9b ff 48 89 df e8 c5 ee ff ff 31 db eb 29 e8 bc 60 9b ff 48 c7 c7 c0 f9 2c 85 4c 89 fe 31 c0 e8 ab b0 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 9d 60 9b ff bb fe ff ff ff 48 c7 c7 [ 29.509757][ T443] RSP: 0018:ffffc900010b7bf8 EFLAGS: 00010246 [ 29.509765][ T443] RAX: dba5388912aa3300 RBX: 0000000000000000 RCX: ffff88810c5762c0 [ 29.509770][ T443] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 29.509777][ T443] RBP: ffffc900010b7c10 R08: ffffffff8153b448 R09: 0000000000000003 [ 29.509783][ T443] R10: fffff52000216f21 R11: 1ffff92000216f20 R12: 0000000000000000 [ 29.509790][ T443] R13: ffffffff86138e00 R14: 0000000000000000 R15: ffffffff8542ee60 [ 29.509798][ T443] FS: 00007f86ea2f8700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 29.509805][ T443] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.509812][ T443] CR2: 00007f86ea2f7ff8 CR3: 0000000121ae6000 CR4: 00000000003506a0 [ 29.509821][ T443] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 29.509827][ T443] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 29.509829][ T443] Call Trace: [ 29.509839][ T443] sysfs_remove_files+0xab/0x110 [ 29.509848][ T443] del_gendisk+0x278/0xe20 [ 29.509858][ T443] ? device_add_disk_no_queue_reg+0x30/0x30 [ 29.509867][ T443] ? __radix_tree_delete+0x2ba/0x380 [ 29.509876][ T443] ? radix_tree_delete_item+0x261/0x360 [ 29.509885][ T443] loop_remove+0x46/0xb0 [ 29.509894][ T443] loop_control_ioctl+0x67f/0x740 [ 29.509902][ T443] ? loop_remove+0xb0/0xb0 [ 29.509911][ T443] ? __fget_files+0x39e/0x3d0 [ 29.509920][ T443] ? security_file_ioctl+0xb1/0xd0 [ 29.509929][ T443] ? loop_remove+0xb0/0xb0 [ 29.509936][ T443] __se_sys_ioctl+0x115/0x190 [ 29.509953][ T443] __x64_sys_ioctl+0x7b/0x90 [ 29.519205][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 29.528454][ T443] do_syscall_64+0x34/0x70 [ 29.538559][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 29.544851][ T443] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 29.555606][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 29.561334][ T443] RIP: 0033:0x7f86ea3820e9 [ 29.584213][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 29.590084][ T443] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 29.599550][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 29.607349][ T443] RSP: 002b:00007f86ea2f8168 EFLAGS: 00000246 [ 29.615622][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 29.623351][ T443] ORIG_RAX: 0000000000000010 [ 29.631634][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 29.640734][ T443] RAX: ffffffffffffffda RBX: 00007f86ea494f60 RCX: 00007f86ea3820e9 [ 29.647896][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 29.655798][ T443] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 29.664064][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 29.671835][ T443] RBP: 00007f86ea3dc08d R08: 0000000000000000 R09: 0000000000000000 [ 29.676021][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 29.680727][ T443] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 29.697462][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 29.702790][ T443] R13: 00007ffdd4e66e2f R14: 00007f86ea2f8300 R15: 0000000000022000 [ 29.717095][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 29.721672][ T443] ---[ end trace 1a1e5e36d1a6c773 ]--- [ 29.727134][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 29.731364][ T443] ------------[ cut here ]------------ [ 29.736226][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 29.740752][ T443] kernfs: can not remove 'events_poll_msecs', no directory [ 29.745546][ T379] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 29.751609][ T443] WARNING: CPU: 1 PID: 443 at fs/kernfs/dir.c:1508 kernfs_remove_by_name_ns+0x65/0x90 [ 30.299053][ T443] Modules linked in: [ 30.303708][ T443] CPU: 1 PID: 443 Comm: syz-executor.2 Tainted: G W 5.10.101-syzkaller-00009-g0dcfc2c03655 #0 [ 30.315576][ T443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.327174][ T443] RIP: 0010:kernfs_remove_by_name_ns+0x65/0x90 [ 30.337025][ T443] Code: 48 89 c3 e8 cd 60 9b ff 48 89 df e8 c5 ee ff ff 31 db eb 29 e8 bc 60 9b ff 48 c7 c7 c0 f9 2c 85 4c 89 fe 31 c0 e8 ab b0 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 9d 60 9b ff bb fe ff ff ff 48 c7 c7 [ 30.357174][ T443] RSP: 0018:ffffc900010b7bf8 EFLAGS: 00010246 [ 30.360618][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 30.365687][ T443] RAX: dba5388912aa3300 RBX: 0000000000000000 RCX: ffff88810c5762c0 [ 30.371906][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 30.379625][ T443] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 30.388488][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 30.395851][ T443] RBP: ffffc900010b7c10 R08: ffffffff8153b448 R09: ffffed103ee6a5d8 [ 30.404975][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 30.412591][ T443] R10: ffffed103ee6a5d8 R11: 1ffff1103ee6a5d7 R12: 0000000000000000 [ 30.412598][ T443] R13: ffffffff86138e00 R14: 0000000000000000 R15: ffffffff8542eec0 [ 30.412608][ T443] FS: 00007f86ea2f8700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 30.412615][ T443] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.412621][ T443] CR2: 00007f86ea2f7ff8 CR3: 0000000121ae6000 CR4: 00000000003506a0 [ 30.412631][ T443] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 30.412637][ T443] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 30.412641][ T443] Call Trace: [ 30.412658][ T443] sysfs_remove_files+0xab/0x110 [ 30.412667][ T443] del_gendisk+0x278/0xe20 [ 30.412685][ T443] ? device_add_disk_no_queue_reg+0x30/0x30 [ 30.500277][ T443] ? __radix_tree_delete+0x2ba/0x380 [ 30.507637][ T443] ? radix_tree_delete_item+0x261/0x360 [ 30.513449][ T443] loop_remove+0x46/0xb0 [ 30.517865][ T443] loop_control_ioctl+0x67f/0x740 [ 30.523448][ T443] ? loop_remove+0xb0/0xb0 [ 30.530178][ T443] ? __fget_files+0x39e/0x3d0 [ 30.535102][ T443] ? security_file_ioctl+0xb1/0xd0 [ 30.540821][ T443] ? loop_remove+0xb0/0xb0 [ 30.545327][ T443] __se_sys_ioctl+0x115/0x190 [ 30.550654][ T443] __x64_sys_ioctl+0x7b/0x90 [ 30.555254][ T443] do_syscall_64+0x34/0x70 [ 30.560128][ T443] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 30.566123][ T443] RIP: 0033:0x7f86ea3820e9 [ 30.570806][ T443] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 30.590925][ T443] RSP: 002b:00007f86ea2f8168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 30.600174][ T443] RAX: ffffffffffffffda RBX: 00007f86ea494f60 RCX: 00007f86ea3820e9 [ 30.608395][ T443] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 30.616590][ T443] RBP: 00007f86ea3dc08d R08: 0000000000000000 R09: 0000000000000000 [ 30.624592][ T443] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 30.632938][ T443] R13: 00007ffdd4e66e2f R14: 00007f86ea2f8300 R15: 0000000000022000 [ 30.641466][ T443] ---[ end trace 1a1e5e36d1a6c774 ]--- [ 30.646964][ T443] ------------[ cut here ]------------ [ 30.652650][ T443] kernfs: can not remove 'bdi', no directory [ 30.658897][ T443] WARNING: CPU: 1 PID: 443 at fs/kernfs/dir.c:1508 kernfs_remove_by_name_ns+0x65/0x90 [ 30.668886][ T443] Modules linked in: [ 30.672876][ T443] CPU: 1 PID: 443 Comm: syz-executor.2 Tainted: G W 5.10.101-syzkaller-00009-g0dcfc2c03655 #0 [ 30.684672][ T443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.695128][ T443] RIP: 0010:kernfs_remove_by_name_ns+0x65/0x90 [ 30.702869][ T443] Code: 48 89 c3 e8 cd 60 9b ff 48 89 df e8 c5 ee ff ff 31 db eb 29 e8 bc 60 9b ff 48 c7 c7 c0 f9 2c 85 4c 89 fe 31 c0 e8 ab b0 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 9d 60 9b ff bb fe ff ff ff 48 c7 c7 [ 30.722945][ T443] RSP: 0018:ffffc900010b7c18 EFLAGS: 00010246 [ 30.729124][ T443] RAX: dba5388912aa3300 RBX: 0000000000000000 RCX: ffff88810c5762c0 [ 30.737823][ T443] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 30.746135][ T443] RBP: ffffc900010b7c30 R08: ffffffff8153b448 R09: ffffed103ee6a5d8 [ 30.754697][ T443] R10: ffffed103ee6a5d8 R11: 1ffff1103ee6a5d7 R12: 0000000000000240 [ 30.763525][ T443] R13: ffff88810ffca030 R14: 0000000000000000 R15: ffffffff8542e760 [ 30.771990][ T443] FS: 00007f86ea2f8700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 30.781135][ T443] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.787824][ T443] CR2: 00007f86ea2f7ff8 CR3: 0000000121ae6000 CR4: 00000000003506a0 [ 30.795830][ T443] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 30.803995][ T443] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 30.812157][ T443] Call Trace: [ 30.815440][ T443] sysfs_remove_link+0x50/0x60 [ 30.820273][ T443] del_gendisk+0x7cd/0xe20 [ 30.824688][ T443] ? device_add_disk_no_queue_reg+0x30/0x30 [ 30.830722][ T443] ? __radix_tree_delete+0x2ba/0x380 [ 30.836083][ T443] ? radix_tree_delete_item+0x261/0x360 [ 30.841841][ T443] loop_remove+0x46/0xb0 [ 30.846069][ T443] loop_control_ioctl+0x67f/0x740 [ 30.851422][ T443] ? loop_remove+0xb0/0xb0 [ 30.855844][ T443] ? __fget_files+0x39e/0x3d0 [ 30.860841][ T443] ? security_file_ioctl+0xb1/0xd0 [ 30.865946][ T443] ? loop_remove+0xb0/0xb0 [ 30.870399][ T443] __se_sys_ioctl+0x115/0x190 [ 30.875080][ T443] __x64_sys_ioctl+0x7b/0x90 [ 30.880052][ T443] do_syscall_64+0x34/0x70 [ 30.884465][ T443] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 30.890623][ T443] RIP: 0033:0x7f86ea3820e9 [ 30.895235][ T443] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 30.915369][ T443] RSP: 002b:00007f86ea2f8168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 30.924024][ T443] RAX: ffffffffffffffda RBX: 00007f86ea494f60 RCX: 00007f86ea3820e9 [ 30.932357][ T443] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 30.940575][ T443] RBP: 00007f86ea3dc08d R08: 0000000000000000 R09: 0000000000000000 [ 30.948542][ T443] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 30.956779][ T443] R13: 00007ffdd4e66e2f R14: 00007f86ea2f8300 R15: 0000000000022000 [ 30.965301][ T443] ---[ end trace 1a1e5e36d1a6c775 ]--- [ 30.971274][ T443] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 30.983256][ T443] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 30.991823][ T443] CPU: 1 PID: 443 Comm: syz-executor.2 Tainted: G W 5.10.101-syzkaller-00009-g0dcfc2c03655 #0 [ 31.003938][ T443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.013989][ T443] RIP: 0010:strlen+0x3a/0x80 [ 31.018625][ T443] Code: c0 ff ff ff ff 49 bf 00 00 00 00 00 fc ff df 48 89 fb 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 49 89 c4 48 89 d8 48 c1 e8 03 <42> 0f b6 04 38 84 c0 75 12 48 ff c3 49 8d 44 24 01 43 80 7c 26 01 [ 31.038476][ T443] RSP: 0018:ffffc900010b7b68 EFLAGS: 00010246 [ 31.044525][ T443] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88810c5762c0 [ 31.052484][ T443] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 31.060531][ T443] RBP: ffffc900010b7b88 R08: ffffffff81d1256c R09: fffff52000216f75 [ 31.068758][ T443] R10: fffff52000216f75 R11: 1ffff92000216f74 R12: ffffffffffffffff [ 31.081352][ T443] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 [ 31.089307][ T443] FS: 00007f86ea2f8700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 31.098213][ T443] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.104770][ T443] CR2: 00007f86ea2f7ff8 CR3: 0000000121ae6000 CR4: 00000000003506a0 [ 31.112895][ T443] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 31.121018][ T443] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 31.129151][ T443] Call Trace: [ 31.132421][ T443] kernfs_name_hash+0x21/0x240 [ 31.137254][ T443] kernfs_find_ns+0x72/0x280 [ 31.141819][ T443] kernfs_remove_by_name_ns+0x36/0x90 [ 31.147347][ T443] sysfs_remove_link+0x50/0x60 [ 31.152085][ T443] del_gendisk+0xbe0/0xe20 [ 31.156483][ T443] ? device_add_disk_no_queue_reg+0x30/0x30 [ 31.164031][ T443] ? __radix_tree_delete+0x2ba/0x380 [ 31.169319][ T443] ? radix_tree_delete_item+0x261/0x360 [ 31.174951][ T443] loop_remove+0x46/0xb0 [ 31.179344][ T443] loop_control_ioctl+0x67f/0x740 [ 31.184440][ T443] ? loop_remove+0xb0/0xb0 [ 31.188980][ T443] ? __fget_files+0x39e/0x3d0 [ 31.193641][ T443] ? security_file_ioctl+0xb1/0xd0 [ 31.198731][ T443] ? loop_remove+0xb0/0xb0 [ 31.203132][ T443] __se_sys_ioctl+0x115/0x190 [ 31.208292][ T443] __x64_sys_ioctl+0x7b/0x90 [ 31.212914][ T443] do_syscall_64+0x34/0x70 [ 31.217404][ T443] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 31.223363][ T443] RIP: 0033:0x7f86ea3820e9 [ 31.227759][ T443] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 31.247545][ T443] RSP: 002b:00007f86ea2f8168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 31.256028][ T443] RAX: ffffffffffffffda RBX: 00007f86ea494f60 RCX: 00007f86ea3820e9 [ 31.265425][ T443] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 31.273385][ T443] RBP: 00007f86ea3dc08d R08: 0000000000000000 R09: 0000000000000000 [ 31.281351][ T443] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 31.289396][ T443] R13: 00007ffdd4e66e2f R14: 00007f86ea2f8300 R15: 0000000000022000 [ 31.297360][ T443] Modules linked in: [ 31.303986][ T443] ---[ end trace 1a1e5e36d1a6c776 ]--- [ 31.309582][ T443] RIP: 0010:strlen+0x3a/0x80 [ 31.314160][ T443] Code: c0 ff ff ff ff 49 bf 00 00 00 00 00 fc ff df 48 89 fb 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 49 89 c4 48 89 d8 48 c1 e8 03 <42> 0f b6 04 38 84 c0 75 12 48 ff c3 49 8d 44 24 01 43 80 7c 26 01 [ 31.334259][ T443] RSP: 0018:ffffc900010b7b68 EFLAGS: 00010246 [ 31.340462][ T443] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88810c5762c0 [ 31.348442][ T443] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 31.356751][ T443] RBP: ffffc900010b7b88 R08: ffffffff81d1256c R09: fffff52000216f75 [ 31.367791][ T443] R10: fffff52000216f75 R11: 1ffff92000216f74 R12: ffffffffffffffff [ 31.376759][ T443] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 [ 31.386554][ T443] FS: 00007f86ea2f8700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 31.397297][ T443] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.405547][ T443] CR2: 00007f86ea2f7ff8 CR3: 0000000121ae6000 CR4: 00000000003506a0 [ 31.414138][ T443] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 31.423514][ T443] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 31.431797][ T443] Kernel panic - not syncing: Fatal exception [ 31.439899][ T443] Kernel Offset: disabled [ 31.444991][ T443] Rebooting in 86400 seconds..