[ 35.596418][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 35.606797][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 35.618177][ T385] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 35.750572][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! [ 35.940595][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! [ 36.061047][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #80!!! [ 36.130820][ T189] device bridge_slave_1 left promiscuous mode [ 36.136962][ T189] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.145137][ T189] device bridge_slave_0 left promiscuous mode [ 36.151459][ T189] bridge0: port 1(bridge_slave_0) entered disabled state Warning: Permanently added '10.128.10.49' (ECDSA) to the list of known hosts. 2021/12/25 10:25:17 parsed 1 programs [ 42.432544][ T23] kauditd_printk_skb: 63 callbacks suppressed [ 42.432549][ T23] audit: type=1400 audit(1640427917.950:146): avc: denied { mounton } for pid=414 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 [ 42.432734][ T414] cgroup: Unknown subsys name 'net' [ 42.468214][ T414] cgroup: Unknown subsys name 'devices' [ 42.474616][ T414] cgroup: Unknown subsys name 'hugetlb' 2021/12/25 10:25:18 executed programs: 0 [ 42.480278][ T414] cgroup: Unknown subsys name 'rlimit' [ 42.486239][ T23] audit: type=1400 audit(1640427918.000:147): avc: denied { mounton } for pid=414 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 [ 42.523170][ T23] audit: type=1400 audit(1640427918.000:148): avc: denied { mount } for pid=414 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 [ 42.566510][ T419] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.571539][ T23] audit: type=1400 audit(1640427918.030:149): avc: denied { mounton } for pid=419 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 [ 42.574654][ T419] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.597592][ T23] audit: type=1400 audit(1640427918.030:150): avc: denied { module_request } for pid=419 comm="syz-executor.1" kmod="netdev-nr1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 42.605229][ T419] device bridge_slave_0 entered promiscuous mode [ 42.633909][ T419] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.641211][ T419] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.648413][ T419] device bridge_slave_1 entered promiscuous mode [ 42.738646][ T425] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.745715][ T425] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.753037][ T425] device bridge_slave_0 entered promiscuous mode [ 42.759523][ T427] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.766916][ T427] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.774340][ T427] device bridge_slave_0 entered promiscuous mode [ 42.781148][ T419] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.788146][ T419] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.795653][ T419] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.802664][ T419] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.815331][ T425] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.822607][ T425] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.829890][ T425] device bridge_slave_1 entered promiscuous mode [ 42.836822][ T427] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.844069][ T427] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.851552][ T427] device bridge_slave_1 entered promiscuous mode [ 42.869212][ T432] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.876321][ T432] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.884981][ T432] device bridge_slave_0 entered promiscuous mode [ 42.892179][ T432] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.899344][ T432] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.907138][ T432] device bridge_slave_1 entered promiscuous mode [ 42.916232][ T428] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.923580][ T428] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.930912][ T428] device bridge_slave_0 entered promiscuous mode [ 42.939723][ T428] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.947000][ T428] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.954406][ T428] device bridge_slave_1 entered promiscuous mode [ 43.001287][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.010041][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.019791][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.028064][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.036696][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.044414][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.054967][ T431] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.062339][ T431] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.069702][ T431] device bridge_slave_0 entered promiscuous mode [ 43.078287][ T431] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.085373][ T431] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.092640][ T431] device bridge_slave_1 entered promiscuous mode [ 43.153829][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 43.162297][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 43.183018][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 43.191412][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 43.199639][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 43.231582][ T23] audit: type=1400 audit(1640427918.750:151): avc: denied { ioctl } for pid=449 comm="syz-executor.1" 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 [ 43.267066][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.275188][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.283602][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.290619][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.298997][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.300728][ T453] FAULT_INJECTION: forcing a failure. [ 43.300728][ T453] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 43.307503][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.321211][ T453] CPU: 1 PID: 453 Comm: syz-executor.1 Not tainted 5.10.87-syzkaller #0 [ 43.327492][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.335806][ T453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.335808][ T453] Call Trace: [ 43.335820][ T453] dump_stack_lvl+0x81/0xac [ 43.335823][ T453] dump_stack+0x10/0x12 [ 43.335828][ T453] should_fail.cold+0x5/0x1f [ 43.335832][ T453] ? unwind_get_return_address+0x58/0xa0 [ 43.335838][ T453] should_fail_alloc_page+0x74/0x90 [ 43.335842][ T453] __alloc_pages_nodemask+0x13f/0x1f90 [ 43.335852][ T453] ? _raw_spin_unlock_irqrestore+0x47/0x80 [ 43.344698][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.353247][ T453] ? stack_depot_save+0x24e/0x510 [ 43.353254][ T453] ? warn_alloc+0x120/0x120 [ 43.353259][ T453] ? __kasan_slab_alloc+0x87/0xb0 [ 43.353262][ T453] ? kmem_cache_alloc+0x15b/0x340 [ 43.353266][ T453] ? __kernfs_new_node+0xe5/0x640 [ 43.353269][ T453] ? kernfs_new_node+0x79/0x110 [ 43.353273][ T453] ? kernfs_create_link+0xac/0x220 [ 43.353276][ T453] ? sysfs_do_create_link_sd+0x81/0x100 [ 43.353279][ T453] ? sysfs_create_link+0x3f/0xb0 [ 43.353284][ T453] ? device_add+0x540/0x1b20 [ 43.353287][ T453] ? __kasan_check_write+0x14/0x20 [ 43.353291][ T453] ? mutex_lock+0x79/0xd0 [ 43.353299][ T453] ? __mutex_lock_slowpath+0x10/0x10 [ 43.356823][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.361058][ T453] allocate_slab+0x32b/0x480 [ 43.361063][ T453] ? mutex_unlock+0x14/0x40 [ 43.361067][ T453] ___slab_alloc.constprop.0+0x339/0x750 [ 43.361073][ T453] ? selinux_kernfs_init_security+0xf2/0x400 [ 43.361077][ T453] ? __kernfs_new_node+0xe5/0x640 [ 43.361082][ T453] kmem_cache_alloc+0x2c9/0x340 [ 43.361085][ T453] ? __kernfs_new_node+0xe5/0x640 [ 43.361091][ T453] __kernfs_new_node+0xe5/0x640 [ 43.366039][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.369782][ T453] ? kernfs_activate+0x255/0x2e0 [ 43.369787][ T453] ? kernfs_dop_revalidate+0x370/0x370 [ 43.369792][ T453] ? __kasan_check_write+0x14/0x20 [ 43.369800][ T453] ? mutex_lock+0x79/0xd0 [ 43.541226][ T453] ? __mutex_lock_slowpath+0x10/0x10 [ 43.546479][ T453] ? __kasan_check_write+0x14/0x20 [ 43.551711][ T453] ? mutex_unlock+0x14/0x40 [ 43.556194][ T453] ? kernfs_activate+0x255/0x2e0 [ 43.561103][ T453] kernfs_new_node+0x79/0x110 [ 43.566362][ T453] ? _raw_spin_lock_bh+0x110/0x110 [ 43.571530][ T453] kernfs_create_link+0xac/0x220 [ 43.576558][ T453] ? __kasan_check_write+0x14/0x20 [ 43.581942][ T453] sysfs_do_create_link_sd+0x81/0x100 [ 43.587296][ T453] sysfs_create_link+0x3f/0xb0 [ 43.592068][ T453] device_add+0x633/0x1b20 [ 43.596455][ T453] ? dev_set_name+0xa6/0xd0 [ 43.600937][ T453] ? __fw_devlink_link_to_suppliers+0x520/0x520 [ 43.607151][ T453] ? compat_blkdev_ioctl+0x920/0x920 [ 43.612651][ T453] ? invalidate_partition+0x1a0/0x1a0 [ 43.618021][ T453] __device_add_disk+0x407/0xfe0 [ 43.623024][ T453] ? blk_alloc_devt+0x290/0x290 [ 43.627851][ T453] ? sprintf+0xae/0xe0 [ 43.631981][ T453] ? pm_runtime_init+0x2e7/0x380 [ 43.636916][ T453] ? device_initialize+0x1f3/0x430 [ 43.642026][ T453] device_add_disk+0xe/0x10 [ 43.646520][ T453] loop_add+0x5a3/0x7a0 [ 43.650649][ T453] loop_control_ioctl+0x13a/0x3d0 [ 43.655868][ T453] ? loop_lookup+0x1a0/0x1a0 [ 43.660429][ T453] __x64_sys_ioctl+0x129/0x1a0 [ 43.665162][ T453] do_syscall_64+0x32/0x80 [ 43.669656][ T453] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.675611][ T453] RIP: 0033:0x7f2b20732a39 [ 43.679999][ T453] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 43.699581][ T453] RSP: 002b:00007f2b20688188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.707959][ T453] RAX: ffffffffffffffda RBX: 00007f2b20836020 RCX: 00007f2b20732a39 [ 43.715904][ T453] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 43.723857][ T453] RBP: 00007f2b206881d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.731884][ T453] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.739850][ T453] R13: 00007ffc7175ebef R14: 00007f2b20688300 R15: 0000000000022000 [ 43.774352][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 43.783376][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 43.791985][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 43.795301][ T455] FAULT_INJECTION: forcing a failure. [ 43.795301][ T455] name failslab, interval 1, probability 0, space 0, times 1 [ 43.799775][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 43.812385][ T455] CPU: 1 PID: 455 Comm: syz-executor.1 Not tainted 5.10.87-syzkaller #0 [ 43.812388][ T455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.812391][ T455] Call Trace: [ 43.812400][ T455] dump_stack_lvl+0x81/0xac [ 43.812403][ T455] dump_stack+0x10/0x12 [ 43.812409][ T455] should_fail.cold+0x5/0x1f [ 43.812415][ T455] __should_failslab+0xd8/0x120 [ 43.812419][ T455] should_failslab+0x9/0x20 [ 43.812423][ T455] kmem_cache_alloc+0x43/0x340 [ 43.812427][ T455] ? __kasan_check_write+0x14/0x20 [ 43.812432][ T455] ? __kernfs_new_node+0xe5/0x640 [ 43.812437][ T455] ? mutex_unlock+0x14/0x40 [ 43.812440][ T455] __kernfs_new_node+0xe5/0x640 [ 43.812447][ T455] ? selinux_kernfs_init_security+0xf2/0x400 [ 43.812451][ T455] ? kernfs_dop_revalidate+0x370/0x370 [ 43.812456][ T455] ? idr_alloc_cyclic+0xd3/0x1d0 [ 43.812460][ T455] ? idr_alloc+0xc0/0xc0 [ 43.812468][ T455] ? device_remove_bin_file+0x20/0x20 [ 43.812471][ T455] kernfs_new_node+0x79/0x110 [ 43.812475][ T455] __kernfs_create_file+0x24/0x270 [ 43.812479][ T455] sysfs_add_file_mode_ns+0x146/0x430 [ 43.812484][ T455] internal_create_group+0x294/0xaa0 [ 43.812489][ T455] ? sysfs_remove_group+0x140/0x140 [ 43.812491][ T455] ? __kasan_check_write+0x14/0x20 [ 43.812495][ T455] ? __kasan_check_write+0x14/0x20 [ 43.812499][ T455] internal_create_groups.part.0+0x7b/0x110 [ 43.812504][ T455] sysfs_create_groups+0x13/0x20 [ 43.812507][ T455] device_add+0x712/0x1b20 [ 43.812511][ T455] ? dev_set_name+0xa6/0xd0 [ 43.812516][ T455] ? __fw_devlink_link_to_suppliers+0x520/0x520 [ 43.812519][ T455] ? compat_blkdev_ioctl+0x920/0x920 [ 43.812522][ T455] ? invalidate_partition+0x1a0/0x1a0 [ 43.812526][ T455] __device_add_disk+0x407/0xfe0 [ 43.812530][ T455] ? blk_alloc_devt+0x290/0x290 [ 43.812535][ T455] ? sprintf+0xae/0xe0 [ 43.812540][ T455] ? pm_runtime_init+0x2e7/0x380 [ 43.812544][ T455] ? device_initialize+0x1f3/0x430 [ 43.812548][ T455] device_add_disk+0xe/0x10 [ 43.812552][ T455] loop_add+0x5a3/0x7a0 [ 43.812557][ T455] loop_control_ioctl+0x13a/0x3d0 [ 43.812560][ T455] ? loop_lookup+0x1a0/0x1a0 [ 43.812567][ T455] __x64_sys_ioctl+0x129/0x1a0 [ 43.812572][ T455] do_syscall_64+0x32/0x80 [ 43.812576][ T455] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 43.812580][ T455] RIP: 0033:0x7f2b20732a39 [ 43.812587][ T455] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 43.812589][ T455] RSP: 002b:00007f2b206a9188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.812596][ T455] RAX: ffffffffffffffda RBX: 00007f2b20835f60 RCX: 00007f2b20732a39 [ 43.812598][ T455] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 43.812600][ T455] RBP: 00007f2b206a91d0 R08: 0000000000000000 R09: 0000000000000000 [ 43.812602][ T455] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.812604][ T455] R13: 00007ffc7175ebef R14: 00007f2b206a9300 R15: 0000000000022000 [ 43.812662][ T455] kobject_add_internal failed for queue (error: -2 parent: loop0) [ 43.812699][ T455] ------------[ cut here ]------------ [ 43.821179][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.829021][ T455] WARNING: CPU: 1 PID: 455 at fs/sysfs/file.c:328 sysfs_create_file_ns+0x15a/0x1a0 [ 43.839326][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.842427][ T455] Modules linked in: [ 43.847195][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.851590][ T455] [ 43.856358][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.861118][ T455] CPU: 1 PID: 455 Comm: syz-executor.1 Not tainted 5.10.87-syzkaller #0 [ 43.865662][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.870977][ T455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.875447][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.875798][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.880884][ T455] RIP: 0010:sysfs_create_file_ns+0x15a/0x1a0 [ 43.885346][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.890034][ T455] Code: 03 00 00 00 00 c7 43 08 00 00 00 00 48 8b 5d d0 65 48 2b 1c 25 28 00 00 00 75 22 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 <0f> 0b b8 ea ff ff ff eb be e8 08 7a d5 ff e9 7a ff ff ff e8 6e c2 [ 43.896096][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.901544][ T455] RSP: 0018:ffffc90000ac7ba8 EFLAGS: 00010246 [ 43.906341][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.906526][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 43.910878][ T455] [ 43.916238][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.921076][ T455] RAX: 0000000000000000 RBX: 1ffff92000158f77 RCX: dffffc0000000000 [ 43.926432][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 43.931651][ T455] RDX: 1ffff11021ed3813 RSI: ffffffff84dfa7e0 RDI: ffff88810f69c068 [ 43.937272][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.942258][ T455] RBP: ffffc90000ac7c60 R08: 0000000000000001 R09: ffff88810a36bd8b [ 43.947588][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.952548][ T455] R10: ffffed102146d7b1 R11: 0000000000000001 R12: ffff88810f69c068 [ 43.958543][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.963437][ T455] R13: ffffffff84dfa7e0 R14: ffffc90000ac7c38 R15: ffff88810f69c098 [ 44.369607][ T455] FS: 00007f2b206a9700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 44.390579][ T455] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.401528][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 44.401580][ T455] CR2: 00007f2b206a8f78 CR3: 000000010ee57000 CR4: 00000000003506a0 [ 44.409914][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 44.417672][ T455] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.428909][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 44.433494][ T455] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.433497][ T455] Call Trace: [ 44.433507][ T455] ? kset_create_and_add+0x170/0x170 [ 44.433514][ T455] ? sysfs_add_file_mode_ns+0x430/0x430 [ 44.433520][ T455] ? __kasan_check_write+0x14/0x20 [ 44.433524][ T455] ? mutex_lock+0x79/0xd0 [ 44.433527][ T455] ? __mutex_lock_slowpath+0x10/0x10 [ 44.433532][ T455] sysfs_create_files+0x5c/0x1a0 [ 44.433534][ T455] ? __kasan_check_write+0x14/0x20 [ 44.433542][ T455] ? kobject_get+0x55/0xe0 [ 44.433556][ T455] __device_add_disk+0x798/0xfe0 [ 44.433562][ T455] ? blk_alloc_devt+0x290/0x290 [ 44.433566][ T455] ? sprintf+0xae/0xe0 [ 44.433571][ T455] ? pm_runtime_init+0x2e7/0x380 [ 44.433577][ T455] ? device_initialize+0x1f3/0x430 [ 44.433582][ T455] device_add_disk+0xe/0x10 [ 44.433586][ T455] loop_add+0x5a3/0x7a0 [ 44.433591][ T455] loop_control_ioctl+0x13a/0x3d0 [ 44.433594][ T455] ? loop_lookup+0x1a0/0x1a0 [ 44.433601][ T455] __x64_sys_ioctl+0x129/0x1a0 [ 44.433606][ T455] do_syscall_64+0x32/0x80 [ 44.433611][ T455] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.433615][ T455] RIP: 0033:0x7f2b20732a39 [ 44.433621][ T455] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 44.433623][ T455] RSP: 002b:00007f2b206a9188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.433629][ T455] RAX: ffffffffffffffda RBX: 00007f2b20835f60 RCX: 00007f2b20732a39 [ 44.433632][ T455] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 44.433634][ T455] RBP: 00007f2b206a91d0 R08: 0000000000000000 R09: 0000000000000000 [ 44.433636][ T455] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.433639][ T455] R13: 00007ffc7175ebef R14: 00007f2b206a9300 R15: 0000000000022000 [ 44.433644][ T455] ---[ end trace 606ffe9320197c23 ]--- [ 44.433647][ T455] ------------[ cut here ]------------ [ 44.433649][ T455] kernfs: can not remove 'events', no directory [ 44.433681][ T455] WARNING: CPU: 1 PID: 455 at fs/kernfs/dir.c:1507 kernfs_remove_by_name_ns+0xc8/0xe0 [ 44.433682][ T455] Modules linked in: [ 44.433689][ T455] CPU: 1 PID: 455 Comm: syz-executor.1 Tainted: G W 5.10.87-syzkaller #0 [ 44.433692][ T455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.433696][ T455] RIP: 0010:kernfs_remove_by_name_ns+0xc8/0xe0 [ 44.433699][ T455] Code: 41 5e 5d c3 e8 f9 ea d5 ff eb b0 48 c7 c7 c0 18 ba 85 e8 4b 8d 69 02 b8 fe ff ff ff eb de 48 c7 c7 00 e3 cb 84 e8 2c 6d 50 02 <0f> 0b b8 fe ff ff ff eb c9 4c 89 ef e8 c7 ea d5 ff eb a2 0f 1f 44 [ 44.433702][ T455] RSP: 0018:ffffc90000ac7c48 EFLAGS: 00010286 [ 44.433705][ T455] RAX: 0000000000000000 RBX: ffffffff85cfa3d8 RCX: 0000000000000000 [ 44.433706][ T455] RDX: 0000000000000001 RSI: 0000000000000004 RDI: fffff52000158f7b [ 44.433708][ T455] RBP: ffffc90000ac7c60 R08: 0000000000000001 R09: 0000000000000003 [ 44.433711][ T455] R10: fffff52000158f4e R11: 0000000000000001 R12: ffff88810f69c068 [ 44.433713][ T455] R13: ffffffff84dfa7a0 R14: ffffed1021ed3813 R15: ffffffff85cfa3d8 [ 44.433717][ T455] FS: 00007f2b206a9700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 44.433722][ T455] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.433725][ T455] CR2: 00007f2b206a8f78 CR3: 000000010ee57000 CR4: 00000000003506a0 [ 44.433727][ T455] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.433730][ T455] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.433731][ T455] Call Trace: [ 44.433735][ T455] sysfs_create_files+0x106/0x1a0 [ 44.433738][ T455] ? __kasan_check_write+0x14/0x20 [ 44.433742][ T455] __device_add_disk+0x798/0xfe0 [ 44.433746][ T455] ? blk_alloc_devt+0x290/0x290 [ 44.433750][ T455] ? sprintf+0xae/0xe0 [ 44.433753][ T455] ? pm_runtime_init+0x2e7/0x380 [ 44.433757][ T455] ? device_initialize+0x1f3/0x430 [ 44.433761][ T455] device_add_disk+0xe/0x10 [ 44.433764][ T455] loop_add+0x5a3/0x7a0 [ 44.433768][ T455] loop_control_ioctl+0x13a/0x3d0 [ 44.433772][ T455] ? loop_lookup+0x1a0/0x1a0 [ 44.433777][ T455] __x64_sys_ioctl+0x129/0x1a0 [ 44.433780][ T455] do_syscall_64+0x32/0x80 [ 44.433784][ T455] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.433786][ T455] RIP: 0033:0x7f2b20732a39 [ 44.433790][ T455] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 44.433792][ T455] RSP: 002b:00007f2b206a9188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.433797][ T455] RAX: ffffffffffffffda RBX: 00007f2b20835f60 RCX: 00007f2b20732a39 [ 44.433799][ T455] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 44.433801][ T455] RBP: 00007f2b206a91d0 R08: 0000000000000000 R09: 0000000000000000 [ 44.433803][ T455] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.433805][ T455] R13: 00007ffc7175ebef R14: 00007f2b206a9300 R15: 0000000000022000 [ 44.433810][ T455] ---[ end trace 606ffe9320197c24 ]--- [ 44.433813][ T455] loop0: failed to create sysfs files for events [ 44.443142][ T457] ------------[ cut here ]------------ [ 44.451284][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 44.454238][ T457] kernfs: can not remove 'events', no directory [ 44.459716][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 44.465234][ T457] WARNING: CPU: 1 PID: 457 at fs/kernfs/dir.c:1507 kernfs_remove_by_name_ns+0xc8/0xe0 [ 44.471670][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 44.474895][ T457] Modules linked in: [ 44.480452][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 44.485318][ T457] [ 44.490719][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.495698][ T457] CPU: 1 PID: 457 Comm: syz-executor.1 Tainted: G W 5.10.87-syzkaller #0 [ 44.500021][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 44.504783][ T457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.509238][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 44.514190][ T457] RIP: 0010:kernfs_remove_by_name_ns+0xc8/0xe0 [ 44.519579][ T386] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.524101][ T457] Code: 41 5e 5d c3 e8 f9 ea d5 ff eb b0 48 c7 c7 c0 18 ba 85 e8 4b 8d 69 02 b8 fe ff ff ff eb de 48 c7 c7 00 e3 cb 84 e8 2c 6d 50 02 <0f> 0b b8 fe ff ff ff eb c9 4c 89 ef e8 c7 ea d5 ff eb a2 0f 1f 44 [ 44.528756][ T386] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.529206][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 44.534051][ T457] RSP: 0018:ffffc90000ab7cf0 EFLAGS: 00010282 [ 44.538703][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.543483][ T457] [ 44.548081][ T386] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.554107][ T457] RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000 [ 44.558315][ T386] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.558499][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.579317][ T457] RDX: 0000000000000001 RSI: 0000000000000004 RDI: fffff52000156f90 [ 44.588146][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.596026][ T457] RBP: ffffc90000ab7d08 R08: 0000000000000001 R09: 0000000000000003 [ 44.604120][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 44.612027][ T457] R10: fffff52000156f34 R11: 0000000073203f20 R12: ffffffff85cfa3e0 [ 44.620381][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 44.629728][ T457] R13: ffffffff84dfa7a0 R14: ffffed1021ed3813 R15: 0000000000000001 [ 44.635445][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 44.640719][ T457] FS: 00007f2b206a9700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 44.646974][ T386] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.656865][ T457] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.660508][ T386] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.660841][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 44.670378][ T457] CR2: 00007f2b20687f78 CR3: 000000010efe9000 CR4: 00000000003506a0 [ 44.680827][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.686861][ T457] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.706546][ T386] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.712615][ T457] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.720843][ T386] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.721044][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 44.728983][ T457] Call Trace: [ 44.737157][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 44.745118][ T457] sysfs_remove_files+0x82/0x100 [ 44.753253][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 44.762318][ T457] del_gendisk+0x1d9/0xa10 [ 44.769031][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.777138][ T457] ? idr_find+0x3e/0x60 [ 44.785512][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 44.793631][ T457] ? disk_events_poll_msecs_store+0x1b0/0x1b0 [ 44.797205][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.802310][ T457] ? loop_lookup+0x73/0x1a0 [ 44.807758][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 44.812733][ T457] ? transfer_xor+0x370/0x370 [ 44.817623][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 44.822150][ T457] ? __mutex_lock_killable_slowpath+0x10/0x10 [ 44.826792][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 44.845691][ T457] loop_control_ioctl+0x30d/0x3d0 [ 44.850460][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 44.865530][ T457] ? loop_lookup+0x1a0/0x1a0 [ 44.870145][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 44.889876][ T457] __x64_sys_ioctl+0x129/0x1a0 [ 44.898579][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 44.906581][ T457] do_syscall_64+0x32/0x80 [ 44.914787][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 44.922595][ T457] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.931301][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.939211][ T457] RIP: 0033:0x7f2b20732a39 [ 44.944842][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 44.951650][ T457] 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 bc ff ff ff f7 d8 64 89 01 48 [ 44.957190][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 44.964825][ T457] RSP: 002b:00007f2b206a9188 EFLAGS: 00000246 [ 44.971197][ T386] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.979169][ T457] ORIG_RAX: 0000000000000010 [ 44.988760][ T386] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.988893][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 44.996502][ T457] RAX: ffffffffffffffda RBX: 00007f2b20835f60 RCX: 00007f2b20732a39 [ 45.000352][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.007514][ T457] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 45.010049][ T386] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.017393][ T457] RBP: 00007f2b2078ce8f R08: 0000000000000000 R09: 0000000000000000 [ 45.027194][ T386] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.027504][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 45.035468][ T457] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 45.045556][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.053594][ T457] R13: 00007ffc7175ebef R14: 00007f2b206a9300 R15: 0000000000022000 [ 45.059932][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 45.066972][ T457] ---[ end trace 606ffe9320197c25 ]--- [ 45.087183][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.094422][ T457] ------------[ cut here ]------------ [ 45.102530][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 45.108470][ T457] kernfs: can not remove 'events_async', no directory [ 45.117202][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 45.118979][ T457] WARNING: CPU: 1 PID: 457 at fs/kernfs/dir.c:1507 kernfs_remove_by_name_ns+0xc8/0xe0 [ 45.126010][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 45.134175][ T457] Modules linked in: [ 45.141486][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 45.149113][ T457] [ 45.709736][ T457] CPU: 1 PID: 457 Comm: syz-executor.1 Tainted: G W 5.10.87-syzkaller #0 [ 45.719684][ T457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.731488][ T457] RIP: 0010:kernfs_remove_by_name_ns+0xc8/0xe0 [ 45.737890][ T457] Code: 41 5e 5d c3 e8 f9 ea d5 ff eb b0 48 c7 c7 c0 18 ba 85 e8 4b 8d 69 02 b8 fe ff ff ff eb de 48 c7 c7 00 e3 cb 84 e8 2c 6d 50 02 <0f> 0b b8 fe ff ff ff eb c9 4c 89 ef e8 c7 ea d5 ff eb a2 0f 1f 44 [ 45.758524][ T457] RSP: 0018:ffffc90000ab7cf0 EFLAGS: 00010282 [ 45.764625][ T457] RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000 [ 45.765682][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 45.772710][ T457] RDX: 0000000000000001 RSI: ffffffff84e07ea0 RDI: fffff52000156f90 [ 45.772713][ T457] RBP: ffffc90000ab7d08 R08: 0000000000000001 R09: ffff8881f7353067 [ 45.772716][ T457] R10: ffffed103ee6a60c R11: 0000000037353454 R12: ffffffff85cfa3e0 [ 45.772717][ T457] R13: ffffffff84dfa720 R14: ffffed1021ed3813 R15: 0000000000000002 [ 45.772721][ T457] FS: 00007f2b206a9700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 45.772726][ T457] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.772728][ T457] CR2: 00007f2b20687f78 CR3: 000000010efe9000 CR4: 00000000003506a0 [ 45.772731][ T457] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.772733][ T457] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.772735][ T457] Call Trace: [ 45.772745][ T457] sysfs_remove_files+0x82/0x100 [ 45.772752][ T457] del_gendisk+0x1d9/0xa10 [ 45.772756][ T457] ? idr_find+0x3e/0x60 [ 45.772760][ T457] ? disk_events_poll_msecs_store+0x1b0/0x1b0 [ 45.772765][ T457] ? loop_lookup+0x73/0x1a0 [ 45.772769][ T457] ? transfer_xor+0x370/0x370 [ 45.772774][ T457] ? __mutex_lock_killable_slowpath+0x10/0x10 [ 45.772779][ T457] loop_control_ioctl+0x30d/0x3d0 [ 45.772782][ T457] ? loop_lookup+0x1a0/0x1a0 [ 45.772789][ T457] __x64_sys_ioctl+0x129/0x1a0 [ 45.772794][ T457] do_syscall_64+0x32/0x80 [ 45.772799][ T457] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.772802][ T457] RIP: 0033:0x7f2b20732a39 [ 45.772808][ T457] 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 bc ff ff ff f7 d8 64 89 01 48 [ 45.772811][ T457] RSP: 002b:00007f2b206a9188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.772817][ T457] RAX: ffffffffffffffda RBX: 00007f2b20835f60 RCX: 00007f2b20732a39 [ 45.772819][ T457] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 45.772821][ T457] RBP: 00007f2b2078ce8f R08: 0000000000000000 R09: 0000000000000000 [ 45.772824][ T457] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 45.772826][ T457] R13: 00007ffc7175ebef R14: 00007f2b206a9300 R15: 0000000000022000 [ 45.772831][ T457] ---[ end trace 606ffe9320197c26 ]--- [ 45.772835][ T457] ------------[ cut here ]------------ [ 45.772838][ T457] kernfs: can not remove 'events_poll_msecs', no directory [ 45.772870][ T457] WARNING: CPU: 1 PID: 457 at fs/kernfs/dir.c:1507 kernfs_remove_by_name_ns+0xc8/0xe0 [ 45.772872][ T457] Modules linked in: [ 45.772878][ T457] CPU: 1 PID: 457 Comm: syz-executor.1 Tainted: G W 5.10.87-syzkaller #0 [ 45.772881][ T457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.772885][ T457] RIP: 0010:kernfs_remove_by_name_ns+0xc8/0xe0 [ 45.772889][ T457] Code: 41 5e 5d c3 e8 f9 ea d5 ff eb b0 48 c7 c7 c0 18 ba 85 e8 4b 8d 69 02 b8 fe ff ff ff eb de 48 c7 c7 00 e3 cb 84 e8 2c 6d 50 02 <0f> 0b b8 fe ff ff ff eb c9 4c 89 ef e8 c7 ea d5 ff eb a2 0f 1f 44 [ 45.772892][ T457] RSP: 0018:ffffc90000ab7cf0 EFLAGS: 00010282 [ 45.772895][ T457] RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000 [ 45.772897][ T457] RDX: 0000000000000001 RSI: 0000000000000004 RDI: fffff52000156f90 [ 45.772900][ T457] RBP: ffffc90000ab7d08 R08: 0000000000000001 R09: ffff8881f732754b [ 45.772903][ T457] R10: ffffed103ee64ea9 R11: 0000000000000001 R12: ffffffff85cfa3e0 [ 45.772905][ T457] R13: ffffffff84dfa6a0 R14: ffffed1021ed3813 R15: 0000000000000003 [ 45.772908][ T457] FS: 00007f2b206a9700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 45.772913][ T457] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.772915][ T457] CR2: 00007f2b20687f78 CR3: 000000010efe9000 CR4: 00000000003506a0 [ 45.772918][ T457] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.772920][ T457] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.772921][ T457] Call Trace: [ 45.772925][ T457] sysfs_remove_files+0x82/0x100 [ 45.772929][ T457] del_gendisk+0x1d9/0xa10 [ 45.772933][ T457] ? idr_find+0x3e/0x60 [ 45.772936][ T457] ? disk_events_poll_msecs_store+0x1b0/0x1b0 [ 45.772939][ T457] ? loop_lookup+0x73/0x1a0 [ 45.772943][ T457] ? transfer_xor+0x370/0x370 [ 45.772946][ T457] ? __mutex_lock_killable_slowpath+0x10/0x10 [ 45.772950][ T457] loop_control_ioctl+0x30d/0x3d0 [ 45.772954][ T457] ? loop_lookup+0x1a0/0x1a0 [ 45.772959][ T457] __x64_sys_ioctl+0x129/0x1a0 [ 45.772962][ T457] do_syscall_64+0x32/0x80 [ 45.772966][ T457] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.772969][ T457] RIP: 0033:0x7f2b20732a39 [ 45.772973][ T457] 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 bc ff ff ff f7 d8 64 89 01 48 [ 45.772975][ T457] RSP: 002b:00007f2b206a9188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.772979][ T457] RAX: ffffffffffffffda RBX: 00007f2b20835f60 RCX: 00007f2b20732a39 [ 45.772981][ T457] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 45.772983][ T457] RBP: 00007f2b2078ce8f R08: 0000000000000000 R09: 0000000000000000 [ 45.772986][ T457] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 45.772988][ T457] R13: 00007ffc7175ebef R14: 00007f2b206a9300 R15: 0000000000022000 [ 45.772992][ T457] ---[ end trace 606ffe9320197c27 ]--- [ 45.773029][ T457] ------------[ cut here ]------------ [ 45.773031][ T457] kernfs: can not remove 'bdi', no directory [ 45.773053][ T457] WARNING: CPU: 1 PID: 457 at fs/kernfs/dir.c:1507 kernfs_remove_by_name_ns+0xc8/0xe0 [ 45.773054][ T457] Modules linked in: [ 45.773059][ T457] CPU: 1 PID: 457 Comm: syz-executor.1 Tainted: G W 5.10.87-syzkaller #0 [ 45.773061][ T457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.773065][ T457] RIP: 0010:kernfs_remove_by_name_ns+0xc8/0xe0 [ 45.773068][ T457] Code: 41 5e 5d c3 e8 f9 ea d5 ff eb b0 48 c7 c7 c0 18 ba 85 e8 4b 8d 69 02 b8 fe ff ff ff eb de 48 c7 c7 00 e3 cb 84 e8 2c 6d 50 02 <0f> 0b b8 fe ff ff ff eb c9 4c 89 ef e8 c7 ea d5 ff eb a2 0f 1f 44 [ 45.773070][ T457] RSP: 0018:ffffc90000ab7d20 EFLAGS: 00010286 [ 45.773074][ T457] RAX: 0000000000000000 RBX: ffff88810f69c068 RCX: 0000000000000000 [ 45.773076][ T457] RDX: 0000000000000001 RSI: 0000000000000004 RDI: fffff52000156f96 [ 45.773079][ T457] RBP: ffffc90000ab7d38 R08: 0000000000000001 R09: ffff8881f732754b [ 45.773081][ T457] R10: ffffed103ee64ea9 R11: 0000000000000001 R12: ffff88810f69c468 [ 45.773084][ T457] R13: ffffffff84dfa1c0 R14: ffffc90000ab7e10 R15: 0000000000000000 [ 45.773087][ T457] FS: 00007f2b206a9700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 45.773092][ T457] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.773094][ T457] CR2: 00007f2b20687f78 CR3: 000000010efe9000 CR4: 00000000003506a0 [ 45.773097][ T457] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.773099][ T457] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.773100][ T457] Call Trace: [ 45.773105][ T457] sysfs_remove_link+0x37/0xa0 [ 45.773109][ T457] del_gendisk+0x729/0xa10 [ 45.773113][ T457] ? disk_events_poll_msecs_store+0x1b0/0x1b0 [ 45.773116][ T457] ? loop_lookup+0x73/0x1a0 [ 45.773120][ T457] ? transfer_xor+0x370/0x370 [ 45.773122][ T457] ? __mutex_lock_killable_slowpath+0x10/0x10 [ 45.773140][ T457] loop_control_ioctl+0x30d/0x3d0 [ 45.773143][ T457] ? loop_lookup+0x1a0/0x1a0 [ 45.773149][ T457] __x64_sys_ioctl+0x129/0x1a0 [ 45.773152][ T457] do_syscall_64+0x32/0x80 [ 45.773156][ T457] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 45.773159][ T457] RIP: 0033:0x7f2b20732a39 [ 45.773163][ T457] 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 bc ff ff ff f7 d8 64 89 01 48 [ 45.773165][ T457] RSP: 002b:00007f2b206a9188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.773169][ T457] RAX: ffffffffffffffda RBX: 00007f2b20835f60 RCX: 00007f2b20732a39 [ 45.773171][ T457] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 45.773174][ T457] RBP: 00007f2b2078ce8f R08: 0000000000000000 R09: 0000000000000000 [ 45.773176][ T457] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 45.773179][ T457] R13: 00007ffc7175ebef R14: 00007f2b206a9300 R15: 0000000000022000 [ 45.773182][ T457] ---[ end trace 606ffe9320197c28 ]--- [ 46.609130][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.609555][ T457] general protection fault, probably for non-canonical address 0xdffffc000000001a: 0000 [#1] PREEMPT SMP KASAN [ 46.617102][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.629147][ T457] KASAN: null-ptr-deref in range [0x00000000000000d0-0x00000000000000d7] [ 46.629154][ T457] CPU: 1 PID: 457 Comm: syz-executor.1 Tainted: G W 5.10.87-syzkaller #0 [ 46.629156][ T457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.629164][ T457] RIP: 0010:device_del+0xe3/0xd00 [ 46.629169][ T457] Code: c1 ea 03 80 3c 02 00 0f 85 c6 0a 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 63 68 49 8d bc 24 d0 00 00 00 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 06 0f 8e a7 09 00 00 41 0f b6 84 24 d0 00 00 [ 46.629172][ T457] RSP: 0018:ffffc90000ab7ca0 EFLAGS: 00010202 [ 46.629177][ T457] RAX: dffffc0000000000 RBX: ffff88810f69c068 RCX: ffffffff84206909 [ 46.629180][ T457] RDX: 000000000000001a RSI: 0000000000000008 RDI: 00000000000000d0 [ 46.629181][ T457] RBP: ffffc90000ab7d58 R08: 0000000000000001 R09: ffffc90000ab7c3f [ 46.629189][ T457] R10: fffff52000156f87 R11: 0000000000000000 R12: 0000000000000000 [ 46.637605][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 46.645519][ T457] R13: ffff88810f69c108 R14: fffffbfff0c8b538 R15: 0000000000000008 [ 46.645524][ T457] FS: 00007f2b206a9700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 46.645529][ T457] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.645531][ T457] CR2: 00007f2b20687f78 CR3: 000000010efe9000 CR4: 00000000003506a0 [ 46.645533][ T457] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 46.645535][ T457] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 46.645537][ T457] Call Trace: [ 46.645548][ T457] ? _raw_spin_lock+0x110/0x110 [ 46.645559][ T457] ? __device_links_supplier_defer_sync+0x1f0/0x1f0 [ 46.656812][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 46.666792][ T457] ? __kasan_check_write+0x14/0x20 [ 46.666797][ T457] ? mutex_unlock+0x14/0x40 [ 46.666801][ T457] ? pm_runtime_set_memalloc_noio+0xdf/0x100 [ 46.666806][ T457] del_gendisk+0x5ef/0xa10 [ 46.666811][ T457] ? disk_events_poll_msecs_store+0x1b0/0x1b0 [ 46.666820][ T457] ? loop_lookup+0x73/0x1a0 [ 46.672277][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 46.691817][ T457] ? transfer_xor+0x370/0x370 [ 46.691822][ T457] ? __mutex_lock_killable_slowpath+0x10/0x10 [ 46.691827][ T457] loop_control_ioctl+0x30d/0x3d0 [ 46.691831][ T457] ? loop_lookup+0x1a0/0x1a0 [ 46.691838][ T457] __x64_sys_ioctl+0x129/0x1a0 [ 46.691843][ T457] do_syscall_64+0x32/0x80 [ 46.691847][ T457] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.691851][ T457] RIP: 0033:0x7f2b20732a39 [ 46.691857][ T457] 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 bc ff ff ff f7 d8 64 89 01 48 [ 46.691859][ T457] RSP: 002b:00007f2b206a9188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.691865][ T457] RAX: ffffffffffffffda RBX: 00007f2b20835f60 RCX: 00007f2b20732a39 [ 46.691867][ T457] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 46.691869][ T457] RBP: 00007f2b2078ce8f R08: 0000000000000000 R09: 0000000000000000 [ 46.691871][ T457] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 46.691873][ T457] R13: 00007ffc7175ebef R14: 00007f2b206a9300 R15: 0000000000022000 [ 46.691877][ T457] Modules linked in: [ 46.693207][ T457] ---[ end trace 606ffe9320197c29 ]--- [ 46.698550][ T386] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 46.706384][ T457] RIP: 0010:device_del+0xe3/0xd00 [ 46.706390][ T457] Code: c1 ea 03 80 3c 02 00 0f 85 c6 0a 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 63 68 49 8d bc 24 d0 00 00 00 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 06 0f 8e a7 09 00 00 41 0f b6 84 24 d0 00 00 [ 46.706392][ T457] RSP: 0018:ffffc90000ab7ca0 EFLAGS: 00010202 [ 46.706399][ T457] RAX: dffffc0000000000 RBX: ffff88810f69c068 RCX: ffffffff84206909 [ 46.706401][ T457] RDX: 000000000000001a RSI: 0000000000000008 RDI: 00000000000000d0 [ 46.706404][ T457] RBP: ffffc90000ab7d58 R08: 0000000000000001 R09: ffffc90000ab7c3f [ 46.706407][ T457] R10: fffff52000156f87 R11: 0000000000000000 R12: 0000000000000000 [ 46.706409][ T457] R13: ffff88810f69c108 R14: fffffbfff0c8b538 R15: 0000000000000008 [ 46.706413][ T457] FS: 00007f2b206a9700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 46.706419][ T457] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.706422][ T457] CR2: 00007f2b20687f78 CR3: 000000010efe9000 CR4: 00000000003506a0 [ 46.706424][ T457] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 46.706427][ T457] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 46.706430][ T457] Kernel panic - not syncing: Fatal exception [ 46.706722][ T457] Kernel Offset: disabled [ 47.095196][ T457] Rebooting in 86400 seconds..