[ 21.752887][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 21.761884][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 21.769955][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 21.778858][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 21.792273][ T373] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 21.886805][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! [ 22.256939][ T9] device bridge_slave_1 left promiscuous mode [ 22.263323][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 22.270936][ T9] device bridge_slave_0 left promiscuous mode [ 22.277190][ T9] bridge0: port 1(bridge_slave_0) entered disabled state Warning: Permanently added '10.128.10.42' (ECDSA) to the list of known hosts. 2022/05/27 02:38:31 parsed 1 programs [ 39.594782][ T23] kauditd_printk_skb: 65 callbacks suppressed [ 39.594788][ T23] audit: type=1400 audit(1653619111.040:148): avc: denied { mounton } for pid=400 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 [ 39.595020][ T400] cgroup: Unknown subsys name 'net' [ 39.629970][ T400] cgroup: Unknown subsys name 'devices' [ 39.636326][ T400] cgroup: Unknown subsys name 'hugetlb' 2022/05/27 02:38:31 executed programs: 0 [ 39.642155][ T400] cgroup: Unknown subsys name 'rlimit' [ 39.648227][ T23] audit: type=1400 audit(1653619111.100:149): avc: denied { mounton } for pid=400 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 [ 39.673588][ T23] audit: type=1400 audit(1653619111.100:150): avc: denied { mount } for pid=400 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 [ 39.683349][ T404] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.697024][ T23] audit: type=1400 audit(1653619111.110:151): avc: denied { mounton } for pid=404 comm="syz-executor.0" path="/sys/fs/fuse/connections" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=dir permissive=1 [ 39.703971][ T404] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.729357][ T23] audit: type=1400 audit(1653619111.110:152): avc: denied { module_request } for pid=404 comm="syz-executor.0" kmod="netdev-nr0" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 39.736882][ T404] device bridge_slave_0 entered promiscuous mode [ 39.765200][ T404] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.772536][ T404] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.780256][ T404] device bridge_slave_1 entered promiscuous mode [ 39.800909][ T404] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.808194][ T404] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.815475][ T404] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.823093][ T404] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.837104][ T382] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.844424][ T382] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.851802][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 39.860490][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.877166][ T371] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.885897][ T371] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.894772][ T371] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.903248][ T371] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.911822][ T371] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.920046][ T371] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.927167][ T371] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.934785][ T371] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.943337][ T371] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.950484][ T371] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.957863][ T371] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.965746][ T371] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.978506][ T23] audit: type=1400 audit(1653619111.430:153): avc: denied { mount } for pid=404 comm="syz-executor.0" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [ 39.984028][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.005362][ T23] audit: type=1400 audit(1653619111.450:154): avc: denied { ioctl } for pid=409 comm="syz-executor.0" 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 [ 40.072834][ T413] FAULT_INJECTION: forcing a failure. [ 40.072834][ T413] name failslab, interval 1, probability 0, space 0, times 1 [ 40.085724][ T413] CPU: 1 PID: 413 Comm: syz-executor.0 Not tainted 5.10.43-syzkaller #0 [ 40.094101][ T413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.104126][ T413] Call Trace: [ 40.107393][ T413] dump_stack_lvl+0x81/0xac [ 40.111951][ T413] dump_stack+0x10/0x12 [ 40.116247][ T413] should_fail.cold+0x5/0x1f [ 40.120819][ T413] __should_failslab+0xd8/0x120 [ 40.125645][ T413] should_failslab+0x9/0x20 [ 40.130291][ T413] __kmalloc_track_caller+0x63/0x3b0 [ 40.135563][ T413] ? kernel_text_address+0xc0/0xf0 [ 40.141871][ T413] ? __kernfs_new_node+0xaa/0x680 [ 40.147224][ T413] kstrdup_const+0x45/0x70 [ 40.151871][ T413] __kernfs_new_node+0xaa/0x680 [ 40.156930][ T413] ? _raw_write_unlock_bh+0x50/0x50 [ 40.162318][ T413] ? kernfs_dop_revalidate+0x370/0x370 [ 40.167754][ T413] ? _raw_spin_unlock_irqrestore+0x47/0x90 [ 40.173799][ T413] ? create_prof_cpu_mask+0x20/0x20 [ 40.179301][ T413] ? kasan_save_stack+0x42/0x50 [ 40.184244][ T413] ? kasan_save_stack+0x23/0x50 [ 40.189299][ T413] kernfs_create_dir_ns+0x85/0x1f0 [ 40.194561][ T413] sysfs_create_dir_ns+0x11a/0x270 [ 40.199981][ T413] ? sysfs_create_mount_point+0x90/0x90 [ 40.205508][ T413] ? _raw_spin_lock+0x86/0x120 [ 40.210334][ T413] kobject_add_internal+0x27b/0x910 [ 40.215502][ T413] ? fsnotify_handle_inode_event+0x360/0x360 [ 40.222044][ T413] kobject_add+0x120/0x1d0 [ 40.226441][ T413] ? kset_create_and_add+0x170/0x170 [ 40.231967][ T413] ? __kasan_check_write+0x14/0x20 [ 40.237250][ T413] ? mutex_unlock+0x14/0x40 [ 40.241736][ T413] ? get_device_parent+0x24a/0x570 [ 40.247210][ T413] ? mutex_unlock+0x14/0x40 [ 40.252037][ T413] device_add+0x2b1/0x1b20 [ 40.256435][ T413] ? dev_set_name+0xa6/0xd0 [ 40.261012][ T413] ? device_remove_bin_file+0x20/0x20 [ 40.266693][ T413] ? __fw_devlink_link_to_suppliers+0x520/0x520 [ 40.273411][ T413] ? compat_blkdev_ioctl+0x870/0x870 [ 40.278806][ T413] ? invalidate_partition+0x1a0/0x1a0 [ 40.285865][ T413] __device_add_disk+0x407/0xfe0 [ 40.290781][ T413] ? blk_alloc_devt+0x2d0/0x2d0 [ 40.295603][ T413] ? sprintf+0xae/0xe0 [ 40.299834][ T413] ? pm_runtime_init+0x2e7/0x380 [ 40.305035][ T413] ? device_initialize+0x1f3/0x430 [ 40.310297][ T413] device_add_disk+0xe/0x10 [ 40.314953][ T413] loop_add+0x5a3/0x7a0 [ 40.319179][ T413] loop_control_ioctl+0x13a/0x3d0 [ 40.324360][ T413] ? loop_lookup+0x1a0/0x1a0 [ 40.328929][ T413] __x64_sys_ioctl+0x129/0x1a0 [ 40.333805][ T413] do_syscall_64+0x32/0x80 [ 40.338699][ T413] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.344576][ T413] RIP: 0033:0x7fb8eca29109 [ 40.349727][ T413] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 40.370094][ T413] RSP: 002b:00007fb8ec99f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 40.379028][ T413] RAX: ffffffffffffffda RBX: 00007fb8ecb3bf60 RCX: 00007fb8eca29109 [ 40.387242][ T413] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 40.395185][ T413] RBP: 00007fb8ec99f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 40.403347][ T413] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.411476][ T413] R13: 00007ffc9bfb25df R14: 00007fb8ec99f300 R15: 0000000000022000 [ 40.420680][ T413] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 40.429044][ T413] kobject_add_internal failed for queue (error: -2 parent: loop0) [ 40.437380][ T413] ------------[ cut here ]------------ [ 40.442952][ T413] WARNING: CPU: 0 PID: 413 at fs/sysfs/file.c:328 sysfs_create_file_ns+0x15a/0x1a0 [ 40.452639][ T413] Modules linked in: [ 40.456608][ T413] CPU: 1 PID: 413 Comm: syz-executor.0 Not tainted 5.10.43-syzkaller #0 [ 40.469712][ T413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.480093][ T413] RIP: 0010:sysfs_create_file_ns+0x15a/0x1a0 [ 40.486569][ T413] 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 98 ce d9 ff e9 7a ff ff ff e8 3e 5f [ 40.507276][ T413] RSP: 0018:ffffc90000887ba8 EFLAGS: 00010246 [ 40.514942][ T413] RAX: 0000000000000000 RBX: 1ffff92000110f77 RCX: dffffc0000000000 [ 40.523653][ T413] RDX: 1ffff1102183b213 RSI: ffffffff84df8560 RDI: ffff88810c1d9068 [ 40.532105][ T413] RBP: ffffc90000887c60 R08: 0000000000000001 R09: ffff88810a35921b [ 40.540470][ T413] R10: ffffed102146b243 R11: 5f7463656a626f6b R12: ffff88810c1d9068 [ 40.548743][ T413] R13: ffffffff84df8560 R14: ffffc90000887c38 R15: ffff88810c1d9098 [ 40.549220][ T23] audit: type=1400 audit(1653619112.000:155): 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 [ 40.557558][ T413] FS: 00007fb8ec99f700(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 40.580384][ T23] audit: type=1400 audit(1653619112.000:156): 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 [ 40.589349][ T413] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.612432][ T23] audit: type=1400 audit(1653619112.000:157): 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 [ 40.619000][ T413] CR2: 00007fb8ec97e718 CR3: 0000000109b65000 CR4: 00000000003506b0 [ 40.652319][ T413] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 40.661151][ T413] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 40.669352][ T413] Call Trace: [ 40.672993][ T413] ? kset_create_and_add+0x170/0x170 [ 40.678889][ T413] ? sysfs_add_file_mode_ns+0x430/0x430 [ 40.684553][ T413] ? __kasan_check_write+0x14/0x20 [ 40.689866][ T413] ? mutex_lock+0x79/0xd0 [ 40.694622][ T413] ? __mutex_lock_slowpath+0x10/0x10 [ 40.700674][ T413] sysfs_create_files+0x5c/0x1a0 [ 40.705959][ T413] ? __kasan_check_write+0x14/0x20 [ 40.711593][ T413] ? kobject_get+0x55/0xe0 [ 40.716201][ T413] __device_add_disk+0x798/0xfe0 [ 40.721271][ T413] ? blk_alloc_devt+0x2d0/0x2d0 [ 40.726099][ T413] ? sprintf+0xae/0xe0 [ 40.730290][ T413] ? pm_runtime_init+0x2e7/0x380 [ 40.735581][ T413] ? device_initialize+0x1f3/0x430 [ 40.740741][ T413] device_add_disk+0xe/0x10 [ 40.745257][ T413] loop_add+0x5a3/0x7a0 [ 40.749506][ T413] loop_control_ioctl+0x13a/0x3d0 [ 40.754522][ T413] ? loop_lookup+0x1a0/0x1a0 [ 40.759306][ T413] __x64_sys_ioctl+0x129/0x1a0 [ 40.764144][ T413] do_syscall_64+0x32/0x80 [ 40.768821][ T413] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.774836][ T413] RIP: 0033:0x7fb8eca29109 [ 40.779278][ T413] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 40.799110][ T413] RSP: 002b:00007fb8ec99f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 40.807681][ T413] RAX: ffffffffffffffda RBX: 00007fb8ecb3bf60 RCX: 00007fb8eca29109 [ 40.815837][ T413] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 40.823971][ T413] RBP: 00007fb8ec99f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 40.832514][ T413] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 40.841516][ T413] R13: 00007ffc9bfb25df R14: 00007fb8ec99f300 R15: 0000000000022000 [ 40.849847][ T413] ---[ end trace f19dc383288789ea ]--- [ 40.855642][ T413] ------------[ cut here ]------------ [ 40.861356][ T413] kernfs: can not remove 'events', no directory [ 40.868316][ T413] WARNING: CPU: 0 PID: 413 at fs/kernfs/dir.c:1507 kernfs_remove_by_name_ns+0x74/0x80 [ 40.877868][ T413] Modules linked in: [ 40.881850][ T413] CPU: 0 PID: 413 Comm: syz-executor.0 Tainted: G W 5.10.43-syzkaller #0 [ 40.901989][ T413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.912195][ T413] RIP: 0010:kernfs_remove_by_name_ns+0x74/0x80 [ 40.918811][ T413] Code: 02 31 c0 41 5c 41 5d 41 5e 5d c3 48 c7 c7 20 ea c7 85 e8 bf 35 70 02 b8 fe ff ff ff eb e5 48 c7 c7 c0 d5 cb 84 e8 c4 89 60 02 <0f> 0b b8 fe ff ff ff eb d0 0f 1f 00 48 b8 00 00 00 00 00 fc ff df [ 40.939763][ T413] RSP: 0018:ffffc90000887c48 EFLAGS: 00010286 [ 40.946267][ T413] RAX: 0000000000000000 RBX: ffffffff85e3bd38 RCX: 0000000000000000 [ 40.954671][ T413] RDX: 0000000000000001 RSI: ffffffff85587760 RDI: fffff52000110f7b [ 40.962961][ T413] RBP: ffffc90000887c60 R08: 0000000000000001 R09: ffff8881f724b067 [ 40.971167][ T413] R10: ffffed103ee4960c R11: 203a73666e72656b R12: ffff88810c1d9068 [ 40.980988][ T413] R13: ffffffff84df8520 R14: ffffed102183b213 R15: ffffffff85e3bd38 [ 40.989440][ T413] FS: 00007fb8ec99f700(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 40.998973][ T413] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.005928][ T413] CR2: 00007fb8ec97e718 CR3: 0000000109b65000 CR4: 00000000003506b0 [ 41.014100][ T413] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 41.022086][ T413] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 41.030104][ T413] Call Trace: [ 41.033373][ T413] sysfs_create_files+0x106/0x1a0 [ 41.038387][ T413] ? __kasan_check_write+0x14/0x20 [ 41.044909][ T413] __device_add_disk+0x798/0xfe0 [ 41.050202][ T413] ? blk_alloc_devt+0x2d0/0x2d0 [ 41.055218][ T413] ? sprintf+0xae/0xe0 [ 41.059474][ T413] ? pm_runtime_init+0x2e7/0x380 [ 41.064394][ T413] ? device_initialize+0x1f3/0x430 [ 41.069528][ T413] device_add_disk+0xe/0x10 [ 41.074192][ T413] loop_add+0x5a3/0x7a0 [ 41.078699][ T413] loop_control_ioctl+0x13a/0x3d0 [ 41.083933][ T413] ? loop_lookup+0x1a0/0x1a0 [ 41.088714][ T413] __x64_sys_ioctl+0x129/0x1a0 [ 41.093526][ T413] do_syscall_64+0x32/0x80 [ 41.098013][ T413] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.103911][ T413] RIP: 0033:0x7fb8eca29109 [ 41.108465][ T413] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 41.128495][ T413] RSP: 002b:00007fb8ec99f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 41.137561][ T413] RAX: ffffffffffffffda RBX: 00007fb8ecb3bf60 RCX: 00007fb8eca29109 [ 41.145597][ T413] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 41.153877][ T413] RBP: 00007fb8ec99f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 41.163498][ T413] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.171742][ T413] R13: 00007ffc9bfb25df R14: 00007fb8ec99f300 R15: 0000000000022000 [ 41.180061][ T413] ---[ end trace f19dc383288789eb ]--- [ 41.185509][ T413] loop0: failed to create sysfs files for events [ 41.196178][ T416] ------------[ cut here ]------------ [ 41.201697][ T416] kernfs: can not remove 'events', no directory [ 41.208478][ T416] WARNING: CPU: 0 PID: 416 at fs/kernfs/dir.c:1507 kernfs_remove_by_name_ns+0x74/0x80 [ 41.218202][ T416] Modules linked in: [ 41.222174][ T416] CPU: 0 PID: 416 Comm: syz-executor.0 Tainted: G W 5.10.43-syzkaller #0 [ 41.232614][ T416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.243406][ T416] RIP: 0010:kernfs_remove_by_name_ns+0x74/0x80 [ 41.250121][ T416] Code: 02 31 c0 41 5c 41 5d 41 5e 5d c3 48 c7 c7 20 ea c7 85 e8 bf 35 70 02 b8 fe ff ff ff eb e5 48 c7 c7 c0 d5 cb 84 e8 c4 89 60 02 <0f> 0b b8 fe ff ff ff eb d0 0f 1f 00 48 b8 00 00 00 00 00 fc ff df [ 41.270100][ T416] RSP: 0018:ffffc90000887cf0 EFLAGS: 00010282 [ 41.276183][ T416] RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000 [ 41.284490][ T416] RDX: 0000000000000001 RSI: 0000000000000008 RDI: fffff52000110f90 [ 41.292638][ T416] RBP: ffffc90000887d08 R08: 0000000000000000 R09: ffffc900008878ff [ 41.300747][ T416] R10: fffff52000110f1f R11: 203a73666e72656b R12: ffffffff85e3bd40 [ 41.308843][ T416] R13: ffffffff84df8520 R14: ffffed102183b213 R15: 0000000000000001 [ 41.317324][ T416] FS: 00007fb8ec99f700(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 41.326470][ T416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.333195][ T416] CR2: 00007fb8ecb3d090 CR3: 000000010bc76000 CR4: 00000000003506b0 [ 41.341355][ T416] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 41.349582][ T416] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 41.357571][ T416] Call Trace: [ 41.361023][ T416] sysfs_remove_files+0x82/0x100 [ 41.365934][ T416] del_gendisk+0x1d9/0xa60 [ 41.370347][ T416] ? idr_find+0x3e/0x60 [ 41.375168][ T416] ? disk_events_poll_msecs_store+0x1b0/0x1b0 [ 41.381596][ T416] ? loop_lookup+0x73/0x1a0 [ 41.386083][ T416] ? loop_queue_rq+0x3f0/0x3f0 [ 41.390850][ T416] ? __mutex_lock_killable_slowpath+0x10/0x10 [ 41.397160][ T416] loop_control_ioctl+0x30d/0x3d0 [ 41.402177][ T416] ? loop_lookup+0x1a0/0x1a0 [ 41.406785][ T416] __x64_sys_ioctl+0x129/0x1a0 [ 41.411541][ T416] do_syscall_64+0x32/0x80 [ 41.415943][ T416] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.421933][ T416] RIP: 0033:0x7fb8eca29109 [ 41.426332][ T416] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 41.446234][ T416] RSP: 002b:00007fb8ec99f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 41.454687][ T416] RAX: ffffffffffffffda RBX: 00007fb8ecb3bf60 RCX: 00007fb8eca29109 [ 41.462846][ T416] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 41.484979][ T416] RBP: 00007fb8eca8308d R08: 0000000000000000 R09: 0000000000000000 [ 41.493051][ T416] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 41.501059][ T416] R13: 00007ffc9bfb25df R14: 00007fb8ec99f300 R15: 0000000000022000 [ 41.509129][ T416] ---[ end trace f19dc383288789ec ]--- [ 41.514662][ T416] ------------[ cut here ]------------ [ 41.520229][ T416] kernfs: can not remove 'events_async', no directory [ 41.527098][ T416] WARNING: CPU: 0 PID: 416 at fs/kernfs/dir.c:1507 kernfs_remove_by_name_ns+0x74/0x80 [ 41.536666][ T416] Modules linked in: [ 41.540686][ T416] CPU: 0 PID: 416 Comm: syz-executor.0 Tainted: G W 5.10.43-syzkaller #0 [ 41.550402][ T416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.560727][ T416] RIP: 0010:kernfs_remove_by_name_ns+0x74/0x80 [ 41.566966][ T416] Code: 02 31 c0 41 5c 41 5d 41 5e 5d c3 48 c7 c7 20 ea c7 85 e8 bf 35 70 02 b8 fe ff ff ff eb e5 48 c7 c7 c0 d5 cb 84 e8 c4 89 60 02 <0f> 0b b8 fe ff ff ff eb d0 0f 1f 00 48 b8 00 00 00 00 00 fc ff df [ 41.586961][ T416] RSP: 0018:ffffc90000887cf0 EFLAGS: 00010282 [ 41.593101][ T416] RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000 [ 41.601110][ T416] RDX: 0000000000000001 RSI: ffffffff85587760 RDI: fffff52000110f90 [ 41.609321][ T416] RBP: ffffc90000887d08 R08: 0000000000000001 R09: ffff8881f724b067 [ 41.617512][ T416] R10: ffffed103ee4960c R11: 203a73666e72656b R12: ffffffff85e3bd40 [ 41.625558][ T416] R13: ffffffff84df84a0 R14: ffffed102183b213 R15: 0000000000000002 [ 41.633543][ T416] FS: 00007fb8ec99f700(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 41.642670][ T416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.649284][ T416] CR2: 00007fb8ecb3d090 CR3: 000000010bc76000 CR4: 00000000003506b0 [ 41.657281][ T416] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 41.665378][ T416] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 41.673454][ T416] Call Trace: [ 41.676750][ T416] sysfs_remove_files+0x82/0x100 [ 41.681662][ T416] del_gendisk+0x1d9/0xa60 [ 41.686048][ T416] ? idr_find+0x3e/0x60 [ 41.690198][ T416] ? disk_events_poll_msecs_store+0x1b0/0x1b0 [ 41.696338][ T416] ? loop_lookup+0x73/0x1a0 [ 41.700864][ T416] ? loop_queue_rq+0x3f0/0x3f0 [ 41.705791][ T416] ? __mutex_lock_killable_slowpath+0x10/0x10 [ 41.711875][ T416] loop_control_ioctl+0x30d/0x3d0 [ 41.717035][ T416] ? loop_lookup+0x1a0/0x1a0 [ 41.721652][ T416] __x64_sys_ioctl+0x129/0x1a0 [ 41.726496][ T416] do_syscall_64+0x32/0x80 [ 41.730999][ T416] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 41.736943][ T416] RIP: 0033:0x7fb8eca29109 [ 41.741776][ T416] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 41.762416][ T416] RSP: 002b:00007fb8ec99f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 41.771025][ T416] RAX: ffffffffffffffda RBX: 00007fb8ecb3bf60 RCX: 00007fb8eca29109 [ 41.779119][ T416] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 41.787373][ T416] RBP: 00007fb8eca8308d R08: 0000000000000000 R09: 0000000000000000 [ 41.795450][ T416] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 41.803621][ T416] R13: 00007ffc9bfb25df R14: 00007fb8ec99f300 R15: 0000000000022000 [ 41.811902][ T416] ---[ end trace f19dc383288789ed ]--- [ 41.817852][ T416] ------------[ cut here ]------------ [ 41.823488][ T416] kernfs: can not remove 'events_poll_msecs', no directory [ 41.831449][ T416] WARNING: CPU: 1 PID: 416 at fs/kernfs/dir.c:1507 kernfs_remove_by_name_ns+0x74/0x80 [ 41.841238][ T416] Modules linked in: [ 41.845237][ T416] CPU: 1 PID: 416 Comm: syz-executor.0 Tainted: G W 5.10.43-syzkaller #0 [ 41.855108][ T416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.865319][ T416] RIP: 0010:kernfs_remove_by_name_ns+0x74/0x80 [ 41.871893][ T416] Code: 02 31 c0 41 5c 41 5d 41 5e 5d c3 48 c7 c7 20 ea c7 85 e8 bf 35 70 02 b8 fe ff ff ff eb e5 48 c7 c7 c0 d5 cb 84 e8 c4 89 60 02 <0f> 0b b8 fe ff ff ff eb d0 0f 1f 00 48 b8 00 00 00 00 00 fc ff df [ 41.892718][ T416] RSP: 0018:ffffc90000887cf0 EFLAGS: 00010282 [ 41.898935][ T416] RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000 [ 41.907023][ T416] RDX: 0000000000000001 RSI: ffffffff85587768 RDI: fffff52000110f90 [ 41.915091][ T416] RBP: ffffc90000887d08 R08: 0000000000000001 R09: ffff8881f734b067 [ 41.923462][ T416] R10: ffffed103ee6960c R11: 203a73666e72656b R12: ffffffff85e3bd40 [ 41.931810][ T416] R13: ffffffff84df8420 R14: ffffed102183b213 R15: 0000000000000003 [ 41.940098][ T416] FS: 00007fb8ec99f700(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 41.949169][ T416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.955775][ T416] CR2: 00007fb8ecb3d090 CR3: 000000010bc76000 CR4: 00000000003506b0 [ 41.964031][ T416] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 41.972110][ T416] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 41.980111][ T416] Call Trace: [ 41.983505][ T416] sysfs_remove_files+0x82/0x100 [ 41.988557][ T416] del_gendisk+0x1d9/0xa60 [ 41.992981][ T416] ? idr_find+0x3e/0x60 [ 41.997270][ T416] ? disk_events_poll_msecs_store+0x1b0/0x1b0 [ 42.003466][ T416] ? loop_lookup+0x73/0x1a0 [ 42.008082][ T416] ? loop_queue_rq+0x3f0/0x3f0 [ 42.012883][ T416] ? __mutex_lock_killable_slowpath+0x10/0x10 [ 42.018997][ T416] loop_control_ioctl+0x30d/0x3d0 [ 42.024750][ T416] ? loop_lookup+0x1a0/0x1a0 [ 42.029454][ T416] __x64_sys_ioctl+0x129/0x1a0 [ 42.034224][ T416] do_syscall_64+0x32/0x80 [ 42.038917][ T416] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.045484][ T416] RIP: 0033:0x7fb8eca29109 [ 42.050372][ T416] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 42.070157][ T416] RSP: 002b:00007fb8ec99f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.078728][ T416] RAX: ffffffffffffffda RBX: 00007fb8ecb3bf60 RCX: 00007fb8eca29109 [ 42.086736][ T416] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 42.094688][ T416] RBP: 00007fb8eca8308d R08: 0000000000000000 R09: 0000000000000000 [ 42.102755][ T416] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 42.110810][ T416] R13: 00007ffc9bfb25df R14: 00007fb8ec99f300 R15: 0000000000022000 [ 42.119012][ T416] ---[ end trace f19dc383288789ee ]--- [ 42.124601][ T416] ------------[ cut here ]------------ [ 42.130124][ T416] kernfs: can not remove 'bdi', no directory [ 42.136347][ T416] WARNING: CPU: 0 PID: 416 at fs/kernfs/dir.c:1507 kernfs_remove_by_name_ns+0x74/0x80 [ 42.146087][ T416] Modules linked in: [ 42.150039][ T416] CPU: 0 PID: 416 Comm: syz-executor.0 Tainted: G W 5.10.43-syzkaller #0 [ 42.159819][ T416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.170126][ T416] RIP: 0010:kernfs_remove_by_name_ns+0x74/0x80 [ 42.176353][ T416] Code: 02 31 c0 41 5c 41 5d 41 5e 5d c3 48 c7 c7 20 ea c7 85 e8 bf 35 70 02 b8 fe ff ff ff eb e5 48 c7 c7 c0 d5 cb 84 e8 c4 89 60 02 <0f> 0b b8 fe ff ff ff eb d0 0f 1f 00 48 b8 00 00 00 00 00 fc ff df [ 42.196452][ T416] RSP: 0018:ffffc90000887d20 EFLAGS: 00010286 [ 42.202760][ T416] RAX: 0000000000000000 RBX: ffff88810c1d9068 RCX: 0000000000000000 [ 42.211247][ T416] RDX: 0000000000000001 RSI: ffffffff85587760 RDI: fffff52000110f96 [ 42.219544][ T416] RBP: ffffc90000887d38 R08: 0000000000000001 R09: ffff8881f724b067 [ 42.227787][ T416] R10: ffffed103ee4960c R11: 203a73666e72656b R12: ffff88810c1d9468 [ 42.236306][ T416] R13: ffffffff84df7f00 R14: ffffc90000887e10 R15: 0000000000000000 [ 42.244437][ T416] FS: 00007fb8ec99f700(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 42.253659][ T416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.260521][ T416] CR2: 00007fb8ecb3d090 CR3: 000000010bc76000 CR4: 00000000003506b0 [ 42.268692][ T416] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.276959][ T416] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.285188][ T416] Call Trace: [ 42.288618][ T416] sysfs_remove_link+0x37/0xa0 [ 42.293490][ T416] del_gendisk+0x74b/0xa60 [ 42.298087][ T416] ? disk_events_poll_msecs_store+0x1b0/0x1b0 [ 42.304264][ T416] ? loop_lookup+0x73/0x1a0 [ 42.308867][ T416] ? loop_queue_rq+0x3f0/0x3f0 [ 42.313643][ T416] ? __mutex_lock_killable_slowpath+0x10/0x10 [ 42.319885][ T416] loop_control_ioctl+0x30d/0x3d0 [ 42.324977][ T416] ? loop_lookup+0x1a0/0x1a0 [ 42.329664][ T416] __x64_sys_ioctl+0x129/0x1a0 [ 42.334408][ T416] do_syscall_64+0x32/0x80 [ 42.338826][ T416] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.344975][ T416] RIP: 0033:0x7fb8eca29109 [ 42.349419][ T416] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 42.369511][ T416] RSP: 002b:00007fb8ec99f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.378395][ T416] RAX: ffffffffffffffda RBX: 00007fb8ecb3bf60 RCX: 00007fb8eca29109 [ 42.386354][ T416] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 42.394327][ T416] RBP: 00007fb8eca8308d R08: 0000000000000000 R09: 0000000000000000 [ 42.402438][ T416] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 42.410496][ T416] R13: 00007ffc9bfb25df R14: 00007fb8ec99f300 R15: 0000000000022000 [ 42.419070][ T416] ---[ end trace f19dc383288789ef ]--- [ 42.425386][ T416] general protection fault, probably for non-canonical address 0xdffffc000000001a: 0000 [#1] PREEMPT SMP KASAN [ 42.437203][ T416] KASAN: null-ptr-deref in range [0x00000000000000d0-0x00000000000000d7] [ 42.445847][ T416] CPU: 0 PID: 416 Comm: syz-executor.0 Tainted: G W 5.10.43-syzkaller #0 [ 42.455529][ T416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.465881][ T416] RIP: 0010:device_del+0xe3/0xd00 [ 42.470873][ T416] Code: c1 ea 03 80 3c 02 00 0f 85 c5 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 a6 09 00 00 41 0f b6 84 24 d0 00 00 [ 42.490562][ T416] RSP: 0018:ffffc90000887ca0 EFLAGS: 00010202 [ 42.496949][ T416] RAX: dffffc0000000000 RBX: ffff88810c1d9068 RCX: ffffffff84262aa9 [ 42.505250][ T416] RDX: 000000000000001a RSI: 0000000000000008 RDI: 00000000000000d0 [ 42.513968][ T416] RBP: ffffc90000887d58 R08: 0000000000000001 R09: ffffc90000887c3f [ 42.521909][ T416] R10: fffff52000110f87 R11: 0000000000000000 R12: 0000000000000000 [ 42.529950][ T416] R13: ffff88810c1d9108 R14: fffffbfff0cdf1c8 R15: 0000000000000008 [ 42.537990][ T416] FS: 00007fb8ec99f700(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 42.547163][ T416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.553992][ T416] CR2: 00007fb8ecb3d090 CR3: 000000010bc76000 CR4: 00000000003506b0 [ 42.561957][ T416] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.570246][ T416] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.578970][ T416] Call Trace: [ 42.582266][ T416] ? _raw_spin_lock+0x120/0x120 [ 42.587157][ T416] ? __device_links_supplier_defer_sync+0x1f0/0x1f0 [ 42.593893][ T416] ? __kasan_check_write+0x14/0x20 [ 42.599262][ T416] ? mutex_unlock+0x14/0x40 [ 42.603996][ T416] ? pm_runtime_set_memalloc_noio+0xdf/0x100 [ 42.610379][ T416] del_gendisk+0x611/0xa60 [ 42.614849][ T416] ? disk_events_poll_msecs_store+0x1b0/0x1b0 [ 42.620883][ T416] ? loop_lookup+0x73/0x1a0 [ 42.626313][ T416] ? loop_queue_rq+0x3f0/0x3f0 [ 42.631053][ T416] ? __mutex_lock_killable_slowpath+0x10/0x10 [ 42.637346][ T416] loop_control_ioctl+0x30d/0x3d0 [ 42.642424][ T416] ? loop_lookup+0x1a0/0x1a0 [ 42.647069][ T416] __x64_sys_ioctl+0x129/0x1a0 [ 42.651921][ T416] do_syscall_64+0x32/0x80 [ 42.656311][ T416] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 42.662273][ T416] RIP: 0033:0x7fb8eca29109 [ 42.666660][ T416] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 42.686692][ T416] RSP: 002b:00007fb8ec99f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.695243][ T416] RAX: ffffffffffffffda RBX: 00007fb8ecb3bf60 RCX: 00007fb8eca29109 [ 42.703180][ T416] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 42.711150][ T416] RBP: 00007fb8eca8308d R08: 0000000000000000 R09: 0000000000000000 [ 42.719454][ T416] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 42.727406][ T416] R13: 00007ffc9bfb25df R14: 00007fb8ec99f300 R15: 0000000000022000 [ 42.736037][ T416] Modules linked in: [ 42.740197][ T416] ---[ end trace f19dc383288789f0 ]--- [ 42.745823][ T416] RIP: 0010:device_del+0xe3/0xd00 [ 42.751045][ T416] Code: c1 ea 03 80 3c 02 00 0f 85 c5 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 a6 09 00 00 41 0f b6 84 24 d0 00 00 [ 42.771173][ T416] RSP: 0018:ffffc90000887ca0 EFLAGS: 00010202 [ 42.777384][ T416] RAX: dffffc0000000000 RBX: ffff88810c1d9068 RCX: ffffffff84262aa9 [ 42.785341][ T416] RDX: 000000000000001a RSI: 0000000000000008 RDI: 00000000000000d0 [ 42.793716][ T416] RBP: ffffc90000887d58 R08: 0000000000000001 R09: ffffc90000887c3f [ 42.801695][ T416] R10: fffff52000110f87 R11: 0000000000000000 R12: 0000000000000000 [ 42.809926][ T416] R13: ffff88810c1d9108 R14: fffffbfff0cdf1c8 R15: 0000000000000008 [ 42.818111][ T416] FS: 00007fb8ec99f700(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 42.827322][ T416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.834500][ T416] CR2: 00007fb8ecb3d090 CR3: 000000010bc76000 CR4: 00000000003506b0 [ 42.842987][ T416] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.851286][ T416] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.859534][ T416] Kernel panic - not syncing: Fatal exception [ 42.866602][ T416] Kernel Offset: disabled [ 42.870900][ T416] Rebooting in 86400 seconds..