Warning: Permanently added '10.128.1.123' (ECDSA) to the list of known hosts. 2022/02/23 13:19:53 parsed 1 programs [ 36.522521][ T23] kauditd_printk_skb: 63 callbacks suppressed [ 36.522526][ T23] audit: type=1400 audit(1645622393.940:146): avc: denied { mounton } for pid=413 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 [ 36.522792][ T413] cgroup: Unknown subsys name 'net' [ 36.558422][ T413] cgroup: Unknown subsys name 'devices' [ 36.564966][ T413] cgroup: Unknown subsys name 'hugetlb' 2022/02/23 13:19:54 executed programs: 0 [ 36.570633][ T413] cgroup: Unknown subsys name 'rlimit' [ 36.576931][ T23] audit: type=1400 audit(1645622394.010:147): avc: denied { mounton } for pid=413 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 [ 36.608615][ T23] audit: type=1400 audit(1645622394.010:148): avc: denied { mount } for pid=413 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 [ 36.644062][ T23] audit: type=1400 audit(1645622394.030:149): avc: denied { mounton } for pid=419 comm="syz-executor.2" 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 [ 36.670901][ T23] audit: type=1400 audit(1645622394.030:150): avc: denied { module_request } for pid=419 comm="syz-executor.2" kmod="netdev-nr2" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 36.697749][ T422] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.704893][ T422] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.712293][ T422] device bridge_slave_0 entered promiscuous mode [ 36.729245][ T422] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.736810][ T422] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.744136][ T422] device bridge_slave_1 entered promiscuous mode [ 36.756583][ T419] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.763756][ T419] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.771034][ T419] device bridge_slave_0 entered promiscuous mode [ 36.791046][ T421] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.798297][ T421] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.805760][ T421] device bridge_slave_0 entered promiscuous mode [ 36.813659][ T421] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.820704][ T421] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.827975][ T421] device bridge_slave_1 entered promiscuous mode [ 36.834514][ T419] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.841520][ T419] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.848787][ T419] device bridge_slave_1 entered promiscuous mode [ 36.888248][ T427] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.895659][ T427] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.903399][ T427] device bridge_slave_0 entered promiscuous mode [ 36.933913][ T427] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.941173][ T427] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.948905][ T427] device bridge_slave_1 entered promiscuous mode [ 36.965558][ T421] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.972583][ T421] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.979826][ T421] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.986837][ T421] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.994593][ T426] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.001661][ T426] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.009068][ T426] device bridge_slave_0 entered promiscuous mode [ 37.016411][ T419] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.023427][ T419] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.030723][ T419] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.037747][ T419] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.047473][ T422] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.054668][ T422] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.061864][ T422] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.068883][ T422] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.082850][ T426] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.089874][ T426] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.097883][ T426] device bridge_slave_1 entered promiscuous mode [ 37.125376][ T424] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.132499][ T424] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.140072][ T424] device bridge_slave_0 entered promiscuous mode [ 37.153084][ T384] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.160445][ T384] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.167814][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.175228][ T384] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.182343][ T384] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.190219][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 37.198465][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 37.207032][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 37.214886][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 37.253112][ T424] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.260362][ T424] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.268623][ T424] device bridge_slave_1 entered promiscuous mode [ 37.281517][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 37.293976][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.304544][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 37.312861][ T24] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.319884][ T24] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.327670][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 37.336140][ T24] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.343177][ T24] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.350560][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 37.359060][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 37.385135][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 37.415547][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.424202][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 37.444940][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 37.454206][ T23] audit: type=1400 audit(1645622394.880:151): avc: denied { ioctl } for pid=448 comm="syz-executor.0" path="/dev/loop-control" dev="devtmpfs" ino=114 ioctlcmd=0x4c81 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 37.455076][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 37.491322][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 37.499880][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 37.508351][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 37.522904][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.525324][ T453] FAULT_INJECTION: forcing a failure. [ 37.525324][ T453] name failslab, interval 1, probability 0, space 0, times 1 [ 37.543429][ T453] CPU: 0 PID: 453 Comm: syz-executor.0 Not tainted 5.10.101-syzkaller #0 [ 37.551924][ T453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.562230][ T453] Call Trace: [ 37.565512][ T453] dump_stack_lvl+0x81/0xac [ 37.570043][ T453] dump_stack+0x10/0x12 [ 37.574181][ T453] should_fail.cold+0x5/0x1f [ 37.578749][ T453] ? selinux_getprocattr+0x4f0/0x4f0 [ 37.584007][ T453] __should_failslab+0xd8/0x120 [ 37.588964][ T453] should_failslab+0x9/0x20 [ 37.593542][ T453] __kmalloc_track_caller+0x63/0x380 [ 37.598803][ T453] ? kstrdup_const+0x1f/0x30 [ 37.603506][ T453] kstrdup+0x2d/0x60 [ 37.607466][ T453] kstrdup_const+0x1f/0x30 [ 37.611857][ T453] __kernfs_new_node+0xaa/0x640 [ 37.616678][ T453] ? kernfs_activate+0x255/0x2e0 [ 37.621597][ T453] ? kernfs_dop_revalidate+0x370/0x370 [ 37.627052][ T453] ? __kasan_check_write+0x14/0x20 [ 37.632142][ T453] ? mutex_lock+0x79/0xd0 [ 37.636462][ T453] ? __mutex_lock_slowpath+0x10/0x10 [ 37.642064][ T453] ? __kasan_check_write+0x14/0x20 [ 37.647292][ T453] ? mutex_unlock+0x14/0x40 [ 37.651800][ T453] ? kernfs_activate+0x255/0x2e0 [ 37.656725][ T453] kernfs_new_node+0x79/0x110 [ 37.661532][ T453] ? _raw_spin_lock_bh+0x110/0x110 [ 37.666718][ T453] kernfs_create_link+0xac/0x220 [ 37.671742][ T453] ? __kasan_check_write+0x14/0x20 [ 37.676828][ T453] sysfs_do_create_link_sd+0x81/0x100 [ 37.682204][ T453] sysfs_create_link+0x3f/0xb0 [ 37.686956][ T453] device_add+0x633/0x1b20 [ 37.691452][ T453] ? dev_set_name+0xa6/0xd0 [ 37.696059][ T453] ? __fw_devlink_link_to_suppliers+0x520/0x520 [ 37.702278][ T453] ? compat_blkdev_ioctl+0x920/0x920 [ 37.707533][ T453] ? invalidate_partition+0x1a0/0x1a0 [ 37.712875][ T453] __device_add_disk+0x407/0xfe0 [ 37.717888][ T453] ? blk_alloc_devt+0x290/0x290 [ 37.723084][ T453] ? sprintf+0xae/0xe0 [ 37.727221][ T453] ? pm_runtime_init+0x2e7/0x380 [ 37.732337][ T453] ? device_initialize+0x1f3/0x430 [ 37.737912][ T453] device_add_disk+0xe/0x10 [ 37.742404][ T453] loop_add+0x5a3/0x7a0 [ 37.746628][ T453] loop_control_ioctl+0x13a/0x3d0 [ 37.751640][ T453] ? loop_lookup+0x1a0/0x1a0 [ 37.756291][ T453] __x64_sys_ioctl+0x129/0x1a0 [ 37.761034][ T453] do_syscall_64+0x32/0x80 [ 37.765422][ T453] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 37.771388][ T453] RIP: 0033:0x7f4492d5ea39 [ 37.776061][ 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 [ 37.795858][ T453] RSP: 002b:00007f4492cd5188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 37.804241][ T453] RAX: ffffffffffffffda RBX: 00007f4492e61f60 RCX: 00007f4492d5ea39 [ 37.812274][ T453] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 37.820510][ T453] RBP: 00007f4492cd51d0 R08: 0000000000000000 R09: 0000000000000000 [ 37.828544][ T453] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 37.836668][ T453] R13: 00007fff79db89ff R14: 00007f4492cd5300 R15: 0000000000022000 [ 37.845203][ T453] kobject_add_internal failed for queue (error: -2 parent: loop0) [ 37.853642][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 37.854352][ T453] ------------[ cut here ]------------ [ 37.867403][ T453] WARNING: CPU: 0 PID: 453 at fs/sysfs/file.c:328 sysfs_create_file_ns+0x15a/0x1a0 [ 37.867550][ T384] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.877305][ T384] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.877852][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 37.884579][ T453] Modules linked in: [ 37.884589][ T453] CPU: 0 PID: 453 Comm: syz-executor.0 Not tainted 5.10.101-syzkaller #0 [ 37.884595][ T453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.891936][ T384] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.899915][ T453] RIP: 0010:sysfs_create_file_ns+0x15a/0x1a0 [ 37.903801][ T384] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.942945][ T453] 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 78 73 d5 ff e9 7a ff ff ff e8 1e 61 [ 37.963035][ T453] RSP: 0018:ffffc90000a67ba8 EFLAGS: 00010246 [ 37.970610][ T453] RAX: 0000000000000000 RBX: 1ffff9200014cf77 RCX: dffffc0000000000 [ 37.978757][ T453] RDX: 1ffff11021e98c13 RSI: ffffffff84dfb260 RDI: ffff88810f4c6068 [ 37.979165][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.987119][ T453] RBP: ffffc90000a67c60 R08: 0000000000000001 R09: ffff8881013f3d8b [ 37.987121][ T453] R10: ffffed102027e7b1 R11: 5f7463656a626f6b R12: ffff88810f4c6068 [ 37.987124][ T453] R13: ffffffff84dfb260 R14: ffffc90000a67c38 R15: ffff88810f4c6098 [ 37.987128][ T453] FS: 00007f4492cd5700(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 37.987134][ T453] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.987137][ T453] CR2: 00007f4492cd4f78 CR3: 000000010f018000 CR4: 00000000003506b0 [ 37.987140][ T453] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 37.987142][ T453] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 37.987145][ T453] Call Trace: [ 37.987167][ T453] ? kset_create_and_add+0x170/0x170 [ 38.068910][ T453] ? sysfs_add_file_mode_ns+0x430/0x430 [ 38.074496][ T453] ? __kasan_check_write+0x14/0x20 [ 38.079620][ T453] ? mutex_lock+0x79/0xd0 [ 38.084057][ T453] ? __mutex_lock_slowpath+0x10/0x10 [ 38.084595][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.089330][ T453] sysfs_create_files+0x5c/0x1a0 [ 38.089336][ T453] ? __kasan_check_write+0x14/0x20 [ 38.089345][ T453] ? kobject_get+0x55/0xe0 [ 38.097988][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.102339][ T453] __device_add_disk+0x798/0xfe0 [ 38.102343][ T453] ? blk_alloc_devt+0x290/0x290 [ 38.102348][ T453] ? sprintf+0xae/0xe0 [ 38.102357][ T453] ? pm_runtime_init+0x2e7/0x380 [ 38.108159][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 38.111892][ T453] ? device_initialize+0x1f3/0x430 [ 38.111898][ T453] device_add_disk+0xe/0x10 [ 38.111903][ T453] loop_add+0x5a3/0x7a0 [ 38.111911][ T453] loop_control_ioctl+0x13a/0x3d0 [ 38.120594][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.125006][ T453] ? loop_lookup+0x1a0/0x1a0 [ 38.125014][ T453] __x64_sys_ioctl+0x129/0x1a0 [ 38.125020][ T453] do_syscall_64+0x32/0x80 [ 38.125025][ T453] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 38.125036][ T453] RIP: 0033:0x7f4492d5ea39 [ 38.125042][ 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 [ 38.125044][ T453] RSP: 002b:00007f4492cd5188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 38.125051][ T453] RAX: ffffffffffffffda RBX: 00007f4492e61f60 RCX: 00007f4492d5ea39 [ 38.125053][ T453] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 38.125056][ T453] RBP: 00007f4492cd51d0 R08: 0000000000000000 R09: 0000000000000000 [ 38.125058][ T453] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 38.125061][ T453] R13: 00007fff79db89ff R14: 00007f4492cd5300 R15: 0000000000022000 [ 38.125066][ T453] ---[ end trace 7b81c50dde4b30c3 ]--- [ 38.125070][ T453] ------------[ cut here ]------------ [ 38.125072][ T453] kernfs: can not remove 'events', no directory [ 38.125103][ T453] WARNING: CPU: 0 PID: 453 at fs/kernfs/dir.c:1507 kernfs_remove_by_name_ns+0xc8/0xe0 [ 38.130901][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.134178][ T453] Modules linked in: [ 38.134188][ T453] CPU: 0 PID: 453 Comm: syz-executor.0 Tainted: G W 5.10.101-syzkaller #0 [ 38.134191][ T453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.134201][ T453] RIP: 0010:kernfs_remove_by_name_ns+0xc8/0xe0 [ 38.134206][ T453] Code: 41 5e 5d c3 e8 69 e4 d5 ff eb b0 48 c7 c7 40 24 ba 85 e8 0b 2c 6a 02 b8 fe ff ff ff eb de 48 c7 c7 c0 ee cb 84 e8 71 fc 50 02 <0f> 0b b8 fe ff ff ff eb c9 4c 89 ef e8 37 e4 d5 ff eb a2 0f 1f 44 [ 38.134208][ T453] RSP: 0018:ffffc90000a67c48 EFLAGS: 00010286 [ 38.134211][ T453] RAX: 0000000000000000 RBX: ffffffff85cfac98 RCX: 0000000000000000 [ 38.134214][ T453] RDX: 0000000000000001 RSI: 0000000000000004 RDI: fffff5200014cf7b [ 38.134216][ T453] RBP: ffffc90000a67c60 R08: 0000000000000001 R09: 0000000000000003 [ 38.134219][ T453] R10: fffff5200014cf4e R11: 0000000000000001 R12: ffff88810f4c6068 [ 38.134221][ T453] R13: ffffffff84dfb220 R14: ffffed1021e98c13 R15: ffffffff85cfac98 [ 38.134224][ T453] FS: 00007f4492cd5700(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 38.134229][ T453] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.134232][ T453] CR2: 00007f4492cd4f78 CR3: 000000010f018000 CR4: 00000000003506b0 [ 38.134234][ T453] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 38.134237][ T453] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 38.134239][ T453] Call Trace: [ 38.134244][ T453] sysfs_create_files+0x106/0x1a0 [ 38.134249][ T453] ? __kasan_check_write+0x14/0x20 [ 38.134255][ T453] __device_add_disk+0x798/0xfe0 [ 38.134261][ T453] ? blk_alloc_devt+0x290/0x290 [ 38.134265][ T453] ? sprintf+0xae/0xe0 [ 38.134271][ T453] ? pm_runtime_init+0x2e7/0x380 [ 38.134275][ T453] ? device_initialize+0x1f3/0x430 [ 38.134279][ T453] device_add_disk+0xe/0x10 [ 38.134283][ T453] loop_add+0x5a3/0x7a0 [ 38.134287][ T453] loop_control_ioctl+0x13a/0x3d0 [ 38.134291][ T453] ? loop_lookup+0x1a0/0x1a0 [ 38.134297][ T453] __x64_sys_ioctl+0x129/0x1a0 [ 38.134306][ T453] do_syscall_64+0x32/0x80 [ 38.140718][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.146635][ T453] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 38.146639][ T453] RIP: 0033:0x7f4492d5ea39 [ 38.146645][ 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 [ 38.146648][ T453] RSP: 002b:00007f4492cd5188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 38.146653][ T453] RAX: ffffffffffffffda RBX: 00007f4492e61f60 RCX: 00007f4492d5ea39 [ 38.146656][ T453] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 38.146658][ T453] RBP: 00007f4492cd51d0 R08: 0000000000000000 R09: 0000000000000000 [ 38.146661][ T453] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 38.146664][ T453] R13: 00007fff79db89ff R14: 00007f4492cd5300 R15: 0000000000022000 [ 38.146668][ T453] ---[ end trace 7b81c50dde4b30c4 ]--- [ 38.146673][ T453] loop0: failed to create sysfs files for events [ 38.150714][ T456] ------------[ cut here ]------------ [ 38.152960][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.156481][ T456] kernfs: can not remove 'events', no directory [ 38.160875][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.165889][ T456] WARNING: CPU: 0 PID: 456 at fs/kernfs/dir.c:1507 kernfs_remove_by_name_ns+0xc8/0xe0 [ 38.165891][ T456] Modules linked in: [ 38.165902][ T456] CPU: 0 PID: 456 Comm: syz-executor.0 Tainted: G W 5.10.101-syzkaller #0 [ 38.165906][ T456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.165910][ T456] RIP: 0010:kernfs_remove_by_name_ns+0xc8/0xe0 [ 38.165916][ T456] Code: 41 5e 5d c3 e8 69 e4 d5 ff eb b0 48 c7 c7 40 24 ba 85 e8 0b 2c 6a 02 b8 fe ff ff ff eb de 48 c7 c7 c0 ee cb 84 e8 71 fc 50 02 <0f> 0b b8 fe ff ff ff eb c9 4c 89 ef e8 37 e4 d5 ff eb a2 0f 1f 44 [ 38.165919][ T456] RSP: 0018:ffffc90000a77cf0 EFLAGS: 00010282 [ 38.165923][ T456] RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000 [ 38.165926][ T456] RDX: 0000000000000001 RSI: 0000000000000004 RDI: fffff5200014ef90 [ 38.165928][ T456] RBP: ffffc90000a77d08 R08: 0000000000000001 R09: 0000000000000003 [ 38.165931][ T456] R10: fffff5200014ef34 R11: 6f635f706f6f6c20 R12: ffffffff85cfaca0 [ 38.165933][ T456] R13: ffffffff84dfb220 R14: ffffed1021e98c13 R15: 0000000000000001 [ 38.165937][ T456] FS: 00007f4492cd5700(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 38.165943][ T456] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.165946][ T456] CR2: 00007f4492e5e0a0 CR3: 000000010f17e000 CR4: 00000000003506b0 [ 38.165948][ T456] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 38.165951][ T456] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 38.165953][ T456] Call Trace: [ 38.165959][ T456] sysfs_remove_files+0x82/0x100 [ 38.165966][ T456] del_gendisk+0x1d9/0xa10 [ 38.165971][ T456] ? idr_find+0x3e/0x60 [ 38.165975][ T456] ? disk_events_poll_msecs_store+0x1b0/0x1b0 [ 38.166026][ T456] ? loop_lookup+0x73/0x1a0 [ 38.166037][ T456] ? transfer_xor+0x370/0x370 [ 38.166043][ T456] ? __mutex_lock_killable_slowpath+0x10/0x10 [ 38.166048][ T456] loop_control_ioctl+0x30d/0x3d0 [ 38.166051][ T456] ? loop_lookup+0x1a0/0x1a0 [ 38.166118][ T456] __x64_sys_ioctl+0x129/0x1a0 [ 38.175722][ T384] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.179135][ T456] do_syscall_64+0x32/0x80 [ 38.845685][ T456] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 38.851757][ T456] RIP: 0033:0x7f4492d5ea39 [ 38.856294][ T456] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 38.876401][ T446] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.876861][ T456] RSP: 002b:00007f4492cd5188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 38.884753][ T446] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.893036][ T456] RAX: ffffffffffffffda RBX: 00007f4492e61f60 RCX: 00007f4492d5ea39 [ 38.900147][ T446] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.908977][ T456] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 38.916890][ T446] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.923524][ T456] RBP: 00007f4492db8e8f R08: 0000000000000000 R09: 0000000000000000 [ 38.923527][ T456] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 38.923531][ T456] R13: 00007fff79db89ff R14: 00007f4492cd5300 R15: 0000000000022000 [ 38.923537][ T456] ---[ end trace 7b81c50dde4b30c5 ]--- [ 38.923540][ T456] ------------[ cut here ]------------ [ 38.923543][ T456] kernfs: can not remove 'events_async', no directory [ 38.923577][ T456] WARNING: CPU: 0 PID: 456 at fs/kernfs/dir.c:1507 kernfs_remove_by_name_ns+0xc8/0xe0 [ 38.932565][ T446] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.939940][ T456] Modules linked in: [ 38.947974][ T446] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.967113][ T446] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.973871][ T456] [ 38.985023][ T446] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.990645][ T456] CPU: 0 PID: 456 Comm: syz-executor.0 Tainted: G W 5.10.101-syzkaller #0 [ 38.994945][ T446] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 39.001846][ T456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.010030][ T446] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.011945][ T456] RIP: 0010:kernfs_remove_by_name_ns+0xc8/0xe0 [ 39.019808][ T446] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.029629][ T456] Code: 41 5e 5d c3 e8 69 e4 d5 ff eb b0 48 c7 c7 40 24 ba 85 e8 0b 2c 6a 02 b8 fe ff ff ff eb de 48 c7 c7 c0 ee cb 84 e8 71 fc 50 02 <0f> 0b b8 fe ff ff ff eb c9 4c 89 ef e8 37 e4 d5 ff eb a2 0f 1f 44 [ 39.037593][ T446] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.037816][ T446] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 39.047764][ T456] RSP: 0018:ffffc90000a77cf0 EFLAGS: 00010282 [ 39.056050][ T446] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.061957][ T456] [ 39.069226][ T446] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.088671][ T456] RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000 [ 39.095752][ T446] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.095986][ T446] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 39.104214][ T456] RDX: 0000000000000001 RSI: 0000000000000004 RDI: fffff5200014ef90 [ 39.110376][ T446] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.118227][ T456] RBP: ffffc90000a77d08 R08: 0000000000000001 R09: ffff8881f722754b [ 39.120645][ T446] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 39.127553][ T456] R10: ffffed103ee44ea9 R11: 0000000000000001 R12: ffffffff85cfaca0 [ 39.135719][ T446] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.142754][ T456] R13: ffffffff84dfb1a0 R14: ffffed1021e98c13 R15: 0000000000000002 [ 39.150992][ T446] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 39.158802][ T456] FS: 00007f4492cd5700(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 39.166649][ T446] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.174512][ T456] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.182479][ T446] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 39.190316][ T456] CR2: 00007f4492e5e0a0 CR3: 000000010f17e000 CR4: 00000000003506b0 [ 39.198132][ T446] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.206004][ T456] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 39.214092][ T446] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 39.222894][ T456] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 39.230745][ T446] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.237195][ T456] Call Trace: [ 39.245142][ T446] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 39.253179][ T456] sysfs_remove_files+0x82/0x100 [ 39.261072][ T446] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.268945][ T456] del_gendisk+0x1d9/0xa10 [ 39.277254][ T446] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 39.285231][ T456] ? idr_find+0x3e/0x60 [ 39.293234][ T446] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.296538][ T456] ? disk_events_poll_msecs_store+0x1b0/0x1b0 [ 39.347478][ T456] ? loop_lookup+0x73/0x1a0 [ 39.357646][ T456] ? transfer_xor+0x370/0x370 [ 39.363222][ T456] ? __mutex_lock_killable_slowpath+0x10/0x10 [ 39.369631][ T456] loop_control_ioctl+0x30d/0x3d0 [ 39.374804][ T456] ? loop_lookup+0x1a0/0x1a0 [ 39.379632][ T456] __x64_sys_ioctl+0x129/0x1a0 [ 39.384530][ T456] do_syscall_64+0x32/0x80 [ 39.388981][ T456] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 39.389986][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 39.394977][ T456] RIP: 0033:0x7f4492d5ea39 [ 39.394983][ T456] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 39.394986][ T456] RSP: 002b:00007f4492cd5188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 39.394994][ T456] RAX: ffffffffffffffda RBX: 00007f4492e61f60 RCX: 00007f4492d5ea39 [ 39.394996][ T456] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 39.394998][ T456] RBP: 00007f4492db8e8f R08: 0000000000000000 R09: 0000000000000000 [ 39.395000][ T456] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 39.395003][ T456] R13: 00007fff79db89ff R14: 00007f4492cd5300 R15: 0000000000022000 [ 39.395007][ T456] ---[ end trace 7b81c50dde4b30c6 ]--- [ 39.395011][ T456] ------------[ cut here ]------------ [ 39.395013][ T456] kernfs: can not remove 'events_poll_msecs', no directory [ 39.395047][ T456] WARNING: CPU: 0 PID: 456 at fs/kernfs/dir.c:1507 kernfs_remove_by_name_ns+0xc8/0xe0 [ 39.403757][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 39.407155][ T456] Modules linked in: [ 39.427557][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.435794][ T456] [ 39.435802][ T456] CPU: 0 PID: 456 Comm: syz-executor.0 Tainted: G W 5.10.101-syzkaller #0 [ 39.435805][ T456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.435816][ T456] RIP: 0010:kernfs_remove_by_name_ns+0xc8/0xe0 [ 39.435824][ T456] Code: 41 5e 5d c3 e8 69 e4 d5 ff eb b0 48 c7 c7 40 24 ba 85 e8 0b 2c 6a 02 b8 fe ff ff ff eb de 48 c7 c7 c0 ee cb 84 e8 71 fc 50 02 <0f> 0b b8 fe ff ff ff eb c9 4c 89 ef e8 37 e4 d5 ff eb a2 0f 1f 44 [ 39.444231][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 39.452103][ T456] RSP: 0018:ffffc90000a77cf0 EFLAGS: 00010282 [ 39.461679][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.468501][ T456] [ 39.496527][ T24] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.506332][ T456] RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000 [ 39.513388][ T24] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.524584][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 39.527048][ T456] RDX: 0000000000000001 RSI: 0000000000000004 RDI: fffff5200014ef90 [ 39.537176][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.547463][ T456] RBP: ffffc90000a77d08 R08: 0000000000000001 R09: 0000000000000003 [ 39.553635][ T24] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.573527][ T456] R10: fffff5200014ef63 R11: 0000000000000001 R12: ffffffff85cfaca0 [ 39.581663][ T24] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.581803][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 39.587938][ T456] R13: ffffffff84dfb120 R14: ffffed1021e98c13 R15: 0000000000000003 [ 39.595936][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.598213][ T456] FS: 00007f4492cd5700(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 39.605376][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 39.613412][ T456] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.620590][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.628632][ T456] CR2: 00007f4492e5e0a0 CR3: 000000010f17e000 CR4: 00000000003506b0 [ 39.636783][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 39.645031][ T456] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 39.653069][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.660024][ T456] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 39.668289][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 39.675288][ T456] Call Trace: [ 39.683280][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.691130][ T456] sysfs_remove_files+0x82/0x100 [ 39.698935][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 39.708040][ T456] del_gendisk+0x1d9/0xa10 [ 39.716151][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.722726][ T456] ? idr_find+0x3e/0x60 [ 39.819917][ T456] ? disk_events_poll_msecs_store+0x1b0/0x1b0 [ 39.826126][ T456] ? loop_lookup+0x73/0x1a0 [ 39.830791][ T456] ? transfer_xor+0x370/0x370 [ 39.835609][ T456] ? __mutex_lock_killable_slowpath+0x10/0x10 [ 39.841862][ T456] loop_control_ioctl+0x30d/0x3d0 [ 39.847029][ T456] ? loop_lookup+0x1a0/0x1a0 [ 39.847589][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 39.851623][ T456] __x64_sys_ioctl+0x129/0x1a0 [ 39.861239][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 39.865184][ T456] do_syscall_64+0x32/0x80 [ 39.872171][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.876537][ T456] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 39.885253][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 39.890539][ T456] RIP: 0033:0x7f4492d5ea39 [ 39.899449][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.903074][ T456] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 39.911184][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 39.930770][ T456] RSP: 002b:00007f4492cd5188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 39.938884][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.947238][ T456] RAX: ffffffffffffffda RBX: 00007f4492e61f60 RCX: 00007f4492d5ea39 [ 39.955454][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 39.964162][ T456] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 39.971514][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.979524][ T456] RBP: 00007f4492db8e8f R08: 0000000000000000 R09: 0000000000000000 [ 39.987584][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 39.995598][ T456] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 40.003870][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.011647][ T456] R13: 00007fff79db89ff R14: 00007f4492cd5300 R15: 0000000000022000 [ 40.027700][ T456] ---[ end trace 7b81c50dde4b30c7 ]--- [ 40.034851][ T456] ------------[ cut here ]------------ [ 40.040487][ T456] kernfs: can not remove 'bdi', no directory [ 40.044995][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 40.047170][ T456] WARNING: CPU: 0 PID: 456 at fs/kernfs/dir.c:1507 kernfs_remove_by_name_ns+0xc8/0xe0 [ 40.054436][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.063796][ T456] Modules linked in: [ 40.063806][ T456] CPU: 0 PID: 456 Comm: syz-executor.0 Tainted: G W 5.10.101-syzkaller #0 [ 40.063809][ T456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.063819][ T456] RIP: 0010:kernfs_remove_by_name_ns+0xc8/0xe0 [ 40.063825][ T456] Code: 41 5e 5d c3 e8 69 e4 d5 ff eb b0 48 c7 c7 40 24 ba 85 e8 0b 2c 6a 02 b8 fe ff ff ff eb de 48 c7 c7 c0 ee cb 84 e8 71 fc 50 02 <0f> 0b b8 fe ff ff ff eb c9 4c 89 ef e8 37 e4 d5 ff eb a2 0f 1f 44 [ 40.063828][ T456] RSP: 0018:ffffc90000a77d20 EFLAGS: 00010286 [ 40.063832][ T456] RAX: 0000000000000000 RBX: ffff88810f4c6068 RCX: 0000000000000000 [ 40.063835][ T456] RDX: 0000000000000001 RSI: ffffffff84e08920 RDI: fffff5200014ef96 [ 40.063837][ T456] RBP: ffffc90000a77d38 R08: 0000000000000001 R09: ffff8881f7253067 [ 40.063839][ T456] R10: ffffed103ee4a60c R11: 203a73666e72656b R12: ffff88810f4c6468 [ 40.063842][ T456] R13: ffffffff84dfac40 R14: ffffc90000a77e10 R15: 0000000000000000 [ 40.063845][ T456] FS: 00007f4492cd5700(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 40.063851][ T456] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.063854][ T456] CR2: 00007f4492e5e0a0 CR3: 000000010f17e000 CR4: 00000000003506b0 [ 40.063857][ T456] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 40.063859][ T456] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 40.063860][ T456] Call Trace: [ 40.063866][ T456] sysfs_remove_link+0x37/0xa0 [ 40.063872][ T456] del_gendisk+0x729/0xa10 [ 40.063877][ T456] ? disk_events_poll_msecs_store+0x1b0/0x1b0 [ 40.063882][ T456] ? loop_lookup+0x73/0x1a0 [ 40.063886][ T456] ? transfer_xor+0x370/0x370 [ 40.063892][ T456] ? __mutex_lock_killable_slowpath+0x10/0x10 [ 40.063897][ T456] loop_control_ioctl+0x30d/0x3d0 [ 40.063900][ T456] ? loop_lookup+0x1a0/0x1a0 [ 40.063907][ T456] __x64_sys_ioctl+0x129/0x1a0 [ 40.063912][ T456] do_syscall_64+0x32/0x80 [ 40.063917][ T456] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.063920][ T456] RIP: 0033:0x7f4492d5ea39 [ 40.063925][ T456] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 40.063927][ T456] RSP: 002b:00007f4492cd5188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 40.063931][ T456] RAX: ffffffffffffffda RBX: 00007f4492e61f60 RCX: 00007f4492d5ea39 [ 40.063933][ T456] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 40.063935][ T456] RBP: 00007f4492db8e8f R08: 0000000000000000 R09: 0000000000000000 [ 40.063938][ T456] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 40.063940][ T456] R13: 00007fff79db89ff R14: 00007f4492cd5300 R15: 0000000000022000 [ 40.063945][ T456] ---[ end trace 7b81c50dde4b30c8 ]--- [ 40.350216][ T456] general protection fault, probably for non-canonical address 0xdffffc000000001a: 0000 [#1] PREEMPT SMP KASAN [ 40.351113][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 40.361922][ T456] KASAN: null-ptr-deref in range [0x00000000000000d0-0x00000000000000d7] [ 40.361928][ T456] CPU: 0 PID: 456 Comm: syz-executor.0 Tainted: G W 5.10.101-syzkaller #0 [ 40.361931][ T456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.361940][ T456] RIP: 0010:device_del+0xe3/0xd00 [ 40.361945][ T456] 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 [ 40.361947][ T456] RSP: 0018:ffffc90000a77ca0 EFLAGS: 00010202 [ 40.361952][ T456] RAX: dffffc0000000000 RBX: ffff88810f4c6068 RCX: ffffffff84213509 [ 40.361954][ T456] RDX: 000000000000001a RSI: 0000000000000008 RDI: 00000000000000d0 [ 40.361956][ T456] RBP: ffffc90000a77d58 R08: 0000000000000001 R09: ffffc90000a77c3f [ 40.361958][ T456] R10: fffff5200014ef87 R11: 0000000000000000 R12: 0000000000000000 [ 40.361961][ T456] R13: ffff88810f4c6108 R14: fffffbfff0c8b728 R15: 0000000000000008 [ 40.361963][ T456] FS: 00007f4492cd5700(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 40.361969][ T456] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.361972][ T456] CR2: 00007f4492e5e0a0 CR3: 000000010f17e000 CR4: 00000000003506b0 [ 40.361974][ T456] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 40.361976][ T456] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 40.361977][ T456] Call Trace: [ 40.361985][ T456] ? _raw_spin_lock+0x110/0x110 [ 40.361990][ T456] ? __device_links_supplier_defer_sync+0x1f0/0x1f0 [ 40.361994][ T456] ? __kasan_check_write+0x14/0x20 [ 40.361998][ T456] ? mutex_unlock+0x14/0x40 [ 40.362003][ T456] ? pm_runtime_set_memalloc_noio+0xdf/0x100 [ 40.362013][ T456] del_gendisk+0x5ef/0xa10 [ 40.362017][ T456] ? disk_events_poll_msecs_store+0x1b0/0x1b0 [ 40.362021][ T456] ? loop_lookup+0x73/0x1a0 [ 40.362024][ T456] ? transfer_xor+0x370/0x370 [ 40.362027][ T456] ? __mutex_lock_killable_slowpath+0x10/0x10 [ 40.362031][ T456] loop_control_ioctl+0x30d/0x3d0 [ 40.362034][ T456] ? loop_lookup+0x1a0/0x1a0 [ 40.362039][ T456] __x64_sys_ioctl+0x129/0x1a0 [ 40.362043][ T456] do_syscall_64+0x32/0x80 [ 40.362047][ T456] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.362051][ T456] RIP: 0033:0x7f4492d5ea39 [ 40.362056][ T456] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 40.362063][ T456] RSP: 002b:00007f4492cd5188 EFLAGS: 00000246 [ 40.370235][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.378411][ T456] ORIG_RAX: 0000000000000010 [ 40.378414][ T456] RAX: ffffffffffffffda RBX: 00007f4492e61f60 RCX: 00007f4492d5ea39 [ 40.378416][ T456] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 40.378418][ T456] RBP: 00007f4492db8e8f R08: 0000000000000000 R09: 0000000000000000 [ 40.378419][ T456] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 40.378421][ T456] R13: 00007fff79db89ff R14: 00007f4492cd5300 R15: 0000000000022000 [ 40.378426][ T456] Modules linked in: [ 40.379773][ T456] ---[ end trace 7b81c50dde4b30c9 ]--- [ 40.389407][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 40.398797][ T456] RIP: 0010:device_del+0xe3/0xd00 [ 40.404305][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.423907][ T456] 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 [ 40.423911][ T456] RSP: 0018:ffffc90000a77ca0 EFLAGS: 00010202 [ 40.423917][ T456] RAX: dffffc0000000000 RBX: ffff88810f4c6068 RCX: ffffffff84213509 [ 40.423919][ T456] RDX: 000000000000001a RSI: 0000000000000008 RDI: 00000000000000d0 [ 40.423921][ T456] RBP: ffffc90000a77d58 R08: 0000000000000001 R09: ffffc90000a77c3f [ 40.423924][ T456] R10: fffff5200014ef87 R11: 0000000000000000 R12: 0000000000000000 [ 40.423927][ T456] R13: ffff88810f4c6108 R14: fffffbfff0c8b728 R15: 0000000000000008 [ 40.423931][ T456] FS: 00007f4492cd5700(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 40.423938][ T456] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.423940][ T456] CR2: 00007f4492e5e0a0 CR3: 000000010f17e000 CR4: 00000000003506b0 [ 40.423943][ T456] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 40.423945][ T456] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 40.423948][ T456] Kernel panic - not syncing: Fatal exception [ 40.424381][ T456] Kernel Offset: disabled [ 40.821201][ T456] Rebooting in 86400 seconds..