[ 28.552516][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 28.560898][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 28.571960][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #208!!! [ 28.583768][ T373] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 29.141858][ T7] device bridge_slave_1 left promiscuous mode [ 29.148115][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 29.155662][ T7] device bridge_slave_0 left promiscuous mode [ 29.161818][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.736347][ T23] kauditd_printk_skb: 64 callbacks suppressed [ 39.736353][ T23] audit: type=1400 audit(1655207171.969:147): avc: denied { read } for pid=143 comm="syslogd" name="log" dev="sda1" ino=1125 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 Warning: Permanently added '10.128.10.8' (ECDSA) to the list of known hosts. 2022/06/14 11:46:18 parsed 1 programs [ 46.384769][ T23] audit: type=1400 audit(1655207178.619:148): avc: denied { mounton } for pid=401 comm="syz-executor" path="/syzcgroup/unified" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=dir permissive=1 [ 46.385014][ T401] cgroup: Unknown subsys name 'net' [ 46.413989][ T401] cgroup: Unknown subsys name 'devices' [ 46.420090][ T401] cgroup: Unknown subsys name 'hugetlb' [ 46.425754][ T401] cgroup: Unknown subsys name 'rlimit' 2022/06/14 11:46:18 executed programs: 0 [ 46.431773][ T23] audit: type=1400 audit(1655207178.669:149): avc: denied { mounton } for pid=401 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 46.457549][ T23] audit: type=1400 audit(1655207178.669:150): avc: denied { mount } for pid=401 comm="syz-executor" name="/" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=filesystem permissive=1 [ 46.465772][ T404] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.481297][ T23] audit: type=1400 audit(1655207178.669:151): 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 [ 46.488373][ T404] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.512523][ T23] audit: type=1400 audit(1655207178.669:152): 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 [ 46.519695][ T404] device bridge_slave_0 entered promiscuous mode [ 46.548420][ T404] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.556077][ T404] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.563400][ T404] device bridge_slave_1 entered promiscuous mode [ 46.584075][ T404] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.591190][ T404] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.598908][ T404] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.606105][ T404] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.618971][ T109] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.626159][ T109] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.633500][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.640898][ T109] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.649843][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.657948][ T383] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.665057][ T383] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.682610][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 46.690796][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 46.700063][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.708618][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.716470][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.724663][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.732801][ T383] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.739793][ T383] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.747091][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.755087][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.766732][ T23] audit: type=1400 audit(1655207178.999:153): 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 [ 46.791003][ T23] audit: type=1400 audit(1655207179.029:154): 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 [ 46.818082][ T23] audit: type=1400 audit(1655207179.049:155): avc: denied { append } for pid=143 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 [ 46.840927][ T23] audit: type=1400 audit(1655207179.049:156): avc: denied { open } for pid=143 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 [ 46.863545][ T23] audit: type=1400 audit(1655207179.049:157): avc: denied { getattr } for pid=143 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 [ 46.907351][ T413] FAULT_INJECTION: forcing a failure. [ 46.907351][ T413] name failslab, interval 1, probability 0, space 0, times 1 [ 46.920382][ T413] CPU: 1 PID: 413 Comm: syz-executor.0 Not tainted 5.10.43-syzkaller #0 [ 46.929423][ T413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.939567][ T413] Call Trace: [ 46.942838][ T413] dump_stack_lvl+0x81/0xac [ 46.947311][ T413] dump_stack+0x10/0x12 [ 46.951448][ T413] should_fail.cold+0x5/0x1f [ 46.956033][ T413] __should_failslab+0xd8/0x120 [ 46.960870][ T413] should_failslab+0x9/0x20 [ 46.965386][ T413] __kmalloc_track_caller+0x63/0x3b0 [ 46.970795][ T413] ? __kasan_check_write+0x14/0x20 [ 46.975888][ T413] ? kvasprintf_const+0xcb/0x140 [ 46.981051][ T413] kstrdup_const+0x45/0x70 [ 46.985439][ T413] kvasprintf_const+0xcb/0x140 [ 46.990347][ T413] kobject_set_name_vargs+0x46/0x120 [ 46.995732][ T413] dev_set_name+0xa6/0xd0 [ 47.000132][ T413] ? device_remove_bin_file+0x20/0x20 [ 47.005592][ T413] ? compat_blkdev_ioctl+0x870/0x870 [ 47.010858][ T413] ? invalidate_partition+0x1a0/0x1a0 [ 47.016603][ T413] ? mutex_unlock+0x14/0x40 [ 47.021102][ T413] __device_add_disk+0x362/0xfe0 [ 47.026031][ T413] ? blk_alloc_devt+0x2d0/0x2d0 [ 47.030850][ T413] ? sprintf+0xae/0xe0 [ 47.034890][ T413] ? pm_runtime_init+0x2e7/0x380 [ 47.039898][ T413] ? device_initialize+0x1f3/0x430 [ 47.045188][ T413] device_add_disk+0xe/0x10 [ 47.049841][ T413] loop_add+0x5a3/0x7a0 [ 47.053978][ T413] loop_control_ioctl+0x13a/0x3d0 [ 47.058974][ T413] ? loop_lookup+0x1a0/0x1a0 [ 47.063532][ T413] __x64_sys_ioctl+0x129/0x1a0 [ 47.068262][ T413] do_syscall_64+0x32/0x80 [ 47.072661][ T413] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.078517][ T413] RIP: 0033:0x7eff4110f109 [ 47.083008][ 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 [ 47.102594][ T413] RSP: 002b:00007eff41085168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.110975][ T413] RAX: ffffffffffffffda RBX: 00007eff41221f60 RCX: 00007eff4110f109 [ 47.118914][ T413] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 47.126886][ T413] RBP: 00007eff410851d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.135085][ T413] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.143025][ T413] R13: 00007ffded1f66df R14: 00007eff41085300 R15: 0000000000022000 [ 47.152398][ T413] kobject_add_internal failed for queue (error: -2 parent: (null)) [ 47.160435][ T413] ------------[ cut here ]------------ [ 47.166211][ T413] WARNING: CPU: 1 PID: 413 at fs/sysfs/file.c:328 sysfs_create_file_ns+0x15a/0x1a0 [ 47.175645][ T413] Modules linked in: [ 47.179730][ T413] CPU: 0 PID: 413 Comm: syz-executor.0 Not tainted 5.10.43-syzkaller #0 [ 47.188441][ T413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.199031][ T413] RIP: 0010:sysfs_create_file_ns+0x15a/0x1a0 [ 47.205215][ 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 [ 47.225286][ T413] RSP: 0018:ffffc900008a7ba8 EFLAGS: 00010246 [ 47.231397][ T413] RAX: 0000000000000000 RBX: 1ffff92000114f77 RCX: dffffc0000000000 [ 47.239415][ T413] RDX: 1ffff11021a8e813 RSI: ffffffff84df8860 RDI: ffff88810d474068 [ 47.248130][ T413] RBP: ffffc900008a7c60 R08: 0000000000000001 R09: ffff88810a3b9acb [ 47.256888][ T413] R10: ffffed1021477359 R11: 20726f662064656c R12: ffff88810d474068 [ 47.265142][ T413] R13: ffffffff84df8860 R14: ffffc900008a7c38 R15: ffff88810d474098 [ 47.273216][ T413] FS: 00007eff41085700(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 47.282201][ T413] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.288936][ T413] CR2: 000055cbb0f413c8 CR3: 000000010d1be000 CR4: 00000000003506b0 [ 47.296943][ T413] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.305007][ T413] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.313059][ T413] Call Trace: [ 47.316591][ T413] ? kset_create_and_add+0x170/0x170 [ 47.321873][ T413] ? sysfs_add_file_mode_ns+0x430/0x430 [ 47.327406][ T413] ? __kasan_check_write+0x14/0x20 [ 47.332541][ T413] ? mutex_lock+0x79/0xd0 [ 47.336876][ T413] ? __mutex_lock_slowpath+0x10/0x10 [ 47.342212][ T413] sysfs_create_files+0x5c/0x1a0 [ 47.347559][ T413] ? __kasan_check_write+0x14/0x20 [ 47.352663][ T413] ? kobject_get+0x55/0xe0 [ 47.357142][ T413] __device_add_disk+0x798/0xfe0 [ 47.362071][ T413] ? blk_alloc_devt+0x2d0/0x2d0 [ 47.366901][ T413] ? sprintf+0xae/0xe0 [ 47.370941][ T413] ? pm_runtime_init+0x2e7/0x380 [ 47.375871][ T413] ? device_initialize+0x1f3/0x430 [ 47.380977][ T413] device_add_disk+0xe/0x10 [ 47.385469][ T413] loop_add+0x5a3/0x7a0 [ 47.389630][ T413] loop_control_ioctl+0x13a/0x3d0 [ 47.394664][ T413] ? loop_lookup+0x1a0/0x1a0 [ 47.399338][ T413] __x64_sys_ioctl+0x129/0x1a0 [ 47.404194][ T413] do_syscall_64+0x32/0x80 [ 47.408608][ T413] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.414520][ T413] RIP: 0033:0x7eff4110f109 [ 47.418912][ 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 [ 47.438862][ T413] RSP: 002b:00007eff41085168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.447377][ T413] RAX: ffffffffffffffda RBX: 00007eff41221f60 RCX: 00007eff4110f109 [ 47.455430][ T413] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 47.463414][ T413] RBP: 00007eff410851d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.471366][ T413] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.479335][ T413] R13: 00007ffded1f66df R14: 00007eff41085300 R15: 0000000000022000 [ 47.487298][ T413] ---[ end trace 0f8b16062b1cb009 ]--- [ 47.492944][ T413] ------------[ cut here ]------------ [ 47.498644][ T413] kernfs: can not remove 'events', no directory [ 47.505044][ T413] WARNING: CPU: 1 PID: 413 at fs/kernfs/dir.c:1507 kernfs_remove_by_name_ns+0x74/0x80 [ 47.514866][ T413] Modules linked in: [ 47.518776][ T413] CPU: 0 PID: 413 Comm: syz-executor.0 Tainted: G W 5.10.43-syzkaller #0 [ 47.528534][ T413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.538646][ T413] RIP: 0010:kernfs_remove_by_name_ns+0x74/0x80 [ 47.545165][ 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 d8 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 [ 47.565151][ T413] RSP: 0018:ffffc900008a7c48 EFLAGS: 00010286 [ 47.571361][ T413] RAX: 0000000000000000 RBX: ffffffff85e3bd38 RCX: 0000000000000000 [ 47.579964][ T413] RDX: 0000000000000001 RSI: ffffffff85587768 RDI: fffff52000114f7b [ 47.588083][ T413] RBP: ffffc900008a7c60 R08: 0000000000000001 R09: ffff8881f734b067 [ 47.596166][ T413] R10: ffffed103ee6960c R11: 203a73666e72656b R12: ffff88810d474068 [ 47.604154][ T413] R13: ffffffff84df8820 R14: ffffed1021a8e813 R15: ffffffff85e3bd38 [ 47.612260][ T413] FS: 00007eff41085700(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 47.621177][ T413] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.627880][ T413] CR2: 000055cbb0f413c8 CR3: 000000010d1be000 CR4: 00000000003506b0 [ 47.636112][ T413] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.644363][ T413] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.652332][ T413] Call Trace: [ 47.655696][ T413] sysfs_create_files+0x106/0x1a0 [ 47.660711][ T413] ? __kasan_check_write+0x14/0x20 [ 47.666118][ T413] __device_add_disk+0x798/0xfe0 [ 47.671311][ T413] ? blk_alloc_devt+0x2d0/0x2d0 [ 47.676207][ T413] ? sprintf+0xae/0xe0 [ 47.680376][ T413] ? pm_runtime_init+0x2e7/0x380 [ 47.685354][ T413] ? device_initialize+0x1f3/0x430 [ 47.690502][ T413] device_add_disk+0xe/0x10 [ 47.695134][ T413] loop_add+0x5a3/0x7a0 [ 47.699429][ T413] loop_control_ioctl+0x13a/0x3d0 [ 47.704450][ T413] ? loop_lookup+0x1a0/0x1a0 [ 47.709108][ T413] __x64_sys_ioctl+0x129/0x1a0 [ 47.713876][ T413] do_syscall_64+0x32/0x80 [ 47.718272][ T413] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.724459][ T413] RIP: 0033:0x7eff4110f109 [ 47.728856][ 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 [ 47.748551][ T413] RSP: 002b:00007eff41085168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.756979][ T413] RAX: ffffffffffffffda RBX: 00007eff41221f60 RCX: 00007eff4110f109 [ 47.765031][ T413] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 47.773094][ T413] RBP: 00007eff410851d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.781217][ T413] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 47.789280][ T413] R13: 00007ffded1f66df R14: 00007eff41085300 R15: 0000000000022000 [ 47.797250][ T413] ---[ end trace 0f8b16062b1cb00a ]--- [ 47.802734][ T413] loop0: failed to create sysfs files for events [ 47.812151][ T416] ------------[ cut here ]------------ [ 47.817941][ T416] kernfs: can not remove 'events', no directory [ 47.824991][ T416] WARNING: CPU: 1 PID: 416 at fs/kernfs/dir.c:1507 kernfs_remove_by_name_ns+0x74/0x80 [ 47.834837][ T416] Modules linked in: [ 47.838878][ T416] CPU: 0 PID: 416 Comm: syz-executor.0 Tainted: G W 5.10.43-syzkaller #0 [ 47.848731][ T416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.858856][ T416] RIP: 0010:kernfs_remove_by_name_ns+0x74/0x80 [ 47.865133][ 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 d8 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 [ 47.884836][ T416] RSP: 0018:ffffc900008a7cf0 EFLAGS: 00010282 [ 47.890912][ T416] RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000 [ 47.898912][ T416] RDX: 0000000000000001 RSI: ffffffff85587768 RDI: fffff52000114f90 [ 47.907115][ T416] RBP: ffffc900008a7d08 R08: 0000000000000001 R09: ffff8881f734b067 [ 47.915234][ T416] R10: ffffed103ee6960c R11: 203a73666e72656b R12: ffffffff85e3bd40 [ 47.923429][ T416] R13: ffffffff84df8820 R14: ffffed1021a8e813 R15: 0000000000000001 [ 47.931400][ T416] FS: 00007eff41085700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 47.940660][ T416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.947288][ T416] CR2: 00007eff41084ff8 CR3: 000000010d5e4000 CR4: 00000000003506a0 [ 47.955362][ T416] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.963424][ T416] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.971498][ T416] Call Trace: [ 47.974814][ T416] sysfs_remove_files+0x82/0x100 [ 47.979770][ T416] del_gendisk+0x1d9/0xa60 [ 47.984413][ T416] ? idr_find+0x3e/0x60 [ 47.988823][ T416] ? disk_events_poll_msecs_store+0x1b0/0x1b0 [ 47.995131][ T416] ? loop_lookup+0x73/0x1a0 [ 47.999624][ T416] ? loop_queue_rq+0x3f0/0x3f0 [ 48.004467][ T416] ? __mutex_lock_killable_slowpath+0x10/0x10 [ 48.010641][ T416] loop_control_ioctl+0x30d/0x3d0 [ 48.015731][ T416] ? loop_lookup+0x1a0/0x1a0 [ 48.020326][ T416] __x64_sys_ioctl+0x129/0x1a0 [ 48.025125][ T416] do_syscall_64+0x32/0x80 [ 48.029643][ T416] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.035549][ T416] RIP: 0033:0x7eff4110f109 [ 48.039962][ 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 [ 48.059741][ T416] RSP: 002b:00007eff41085168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 48.068208][ T416] RAX: ffffffffffffffda RBX: 00007eff41221f60 RCX: 00007eff4110f109 [ 48.076974][ T416] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 48.085111][ T416] RBP: 00007eff411690ad R08: 0000000000000000 R09: 0000000000000000 [ 48.093286][ T416] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 48.101402][ T416] R13: 00007ffded1f66df R14: 00007eff41085300 R15: 0000000000022000 [ 48.109543][ T416] ---[ end trace 0f8b16062b1cb00b ]--- [ 48.115278][ T416] ------------[ cut here ]------------ [ 48.120839][ T416] kernfs: can not remove 'events_async', no directory [ 48.127647][ T416] WARNING: CPU: 1 PID: 416 at fs/kernfs/dir.c:1507 kernfs_remove_by_name_ns+0x74/0x80 [ 48.137252][ T416] Modules linked in: [ 48.141127][ T416] CPU: 0 PID: 416 Comm: syz-executor.0 Tainted: G W 5.10.43-syzkaller #0 [ 48.151052][ T416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.161194][ T416] RIP: 0010:kernfs_remove_by_name_ns+0x74/0x80 [ 48.167419][ 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 d8 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 [ 48.187725][ T416] RSP: 0018:ffffc900008a7cf0 EFLAGS: 00010282 [ 48.193945][ T416] RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000 [ 48.202028][ T416] RDX: 0000000000000001 RSI: 0000000000000008 RDI: fffff52000114f90 [ 48.210047][ T416] RBP: ffffc900008a7d08 R08: 0000000000000000 R09: ffffc900008a78ff [ 48.218421][ T416] R10: fffff52000114f1f R11: 203a73666e72656b R12: ffffffff85e3bd40 [ 48.227118][ T416] R13: ffffffff84df87a0 R14: ffffed1021a8e813 R15: 0000000000000002 [ 48.235293][ T416] FS: 00007eff41085700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 48.244242][ T416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.250998][ T416] CR2: 00007eff41084ff8 CR3: 000000010d5e4000 CR4: 00000000003506a0 [ 48.259142][ T416] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.267175][ T416] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.275295][ T416] Call Trace: [ 48.278708][ T416] sysfs_remove_files+0x82/0x100 [ 48.283649][ T416] del_gendisk+0x1d9/0xa60 [ 48.288074][ T416] ? idr_find+0x3e/0x60 [ 48.292273][ T416] ? disk_events_poll_msecs_store+0x1b0/0x1b0 [ 48.298339][ T416] ? loop_lookup+0x73/0x1a0 [ 48.302963][ T416] ? loop_queue_rq+0x3f0/0x3f0 [ 48.307740][ T416] ? __mutex_lock_killable_slowpath+0x10/0x10 [ 48.314368][ T416] loop_control_ioctl+0x30d/0x3d0 [ 48.319429][ T416] ? loop_lookup+0x1a0/0x1a0 [ 48.324053][ T416] __x64_sys_ioctl+0x129/0x1a0 [ 48.328838][ T416] do_syscall_64+0x32/0x80 [ 48.333310][ T416] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.339214][ T416] RIP: 0033:0x7eff4110f109 [ 48.343653][ 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 [ 48.363707][ T416] RSP: 002b:00007eff41085168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 48.372136][ T416] RAX: ffffffffffffffda RBX: 00007eff41221f60 RCX: 00007eff4110f109 [ 48.380087][ T416] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 48.388263][ T416] RBP: 00007eff411690ad R08: 0000000000000000 R09: 0000000000000000 [ 48.396553][ T416] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 48.404677][ T416] R13: 00007ffded1f66df R14: 00007eff41085300 R15: 0000000000022000 [ 48.412749][ T416] ---[ end trace 0f8b16062b1cb00c ]--- [ 48.418183][ T416] ------------[ cut here ]------------ [ 48.423637][ T416] kernfs: can not remove 'events_poll_msecs', no directory [ 48.431011][ T416] WARNING: CPU: 1 PID: 416 at fs/kernfs/dir.c:1507 kernfs_remove_by_name_ns+0x74/0x80 [ 48.440630][ T416] Modules linked in: [ 48.444609][ T416] CPU: 1 PID: 416 Comm: syz-executor.0 Tainted: G W 5.10.43-syzkaller #0 [ 48.454312][ T416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.464590][ T416] RIP: 0010:kernfs_remove_by_name_ns+0x74/0x80 [ 48.470723][ 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 d8 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 [ 48.490523][ T416] RSP: 0018:ffffc900008a7cf0 EFLAGS: 00010282 [ 48.496695][ T416] RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000 [ 48.504755][ T416] RDX: 0000000000000001 RSI: ffffffff85587768 RDI: fffff52000114f90 [ 48.512720][ T416] RBP: ffffc900008a7d08 R08: 0000000000000001 R09: ffff8881f734b067 [ 48.520663][ T416] R10: ffffed103ee6960c R11: 203a73666e72656b R12: ffffffff85e3bd40 [ 48.528816][ T416] R13: ffffffff84df8720 R14: ffffed1021a8e813 R15: 0000000000000003 [ 48.536868][ T416] FS: 00007eff41085700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 48.546023][ T416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.552806][ T416] CR2: 00007eff41084ff8 CR3: 000000010d5e4000 CR4: 00000000003506a0 [ 48.561044][ T416] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.569388][ T416] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.577611][ T416] Call Trace: [ 48.581018][ T416] sysfs_remove_files+0x82/0x100 [ 48.586150][ T416] del_gendisk+0x1d9/0xa60 [ 48.590610][ T416] ? idr_find+0x3e/0x60 [ 48.594896][ T416] ? disk_events_poll_msecs_store+0x1b0/0x1b0 [ 48.601072][ T416] ? loop_lookup+0x73/0x1a0 [ 48.605663][ T416] ? loop_queue_rq+0x3f0/0x3f0 [ 48.610566][ T416] ? __mutex_lock_killable_slowpath+0x10/0x10 [ 48.616878][ T416] loop_control_ioctl+0x30d/0x3d0 [ 48.622111][ T416] ? loop_lookup+0x1a0/0x1a0 [ 48.626819][ T416] __x64_sys_ioctl+0x129/0x1a0 [ 48.631660][ T416] do_syscall_64+0x32/0x80 [ 48.636171][ T416] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.642093][ T416] RIP: 0033:0x7eff4110f109 [ 48.646733][ 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 [ 48.666703][ T416] RSP: 002b:00007eff41085168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 48.675213][ T416] RAX: ffffffffffffffda RBX: 00007eff41221f60 RCX: 00007eff4110f109 [ 48.683195][ T416] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 48.691143][ T416] RBP: 00007eff411690ad R08: 0000000000000000 R09: 0000000000000000 [ 48.699216][ T416] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 48.707324][ T416] R13: 00007ffded1f66df R14: 00007eff41085300 R15: 0000000000022000 [ 48.715518][ T416] ---[ end trace 0f8b16062b1cb00d ]--- [ 48.721096][ T416] ------------[ cut here ]------------ [ 48.726807][ T416] kernfs: can not remove 'bdi', no directory [ 48.732859][ T416] WARNING: CPU: 1 PID: 416 at fs/kernfs/dir.c:1507 kernfs_remove_by_name_ns+0x74/0x80 [ 48.742573][ T416] Modules linked in: [ 48.746550][ T416] CPU: 1 PID: 416 Comm: syz-executor.0 Tainted: G W 5.10.43-syzkaller #0 [ 48.756251][ T416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.766421][ T416] RIP: 0010:kernfs_remove_by_name_ns+0x74/0x80 [ 48.772568][ 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 d8 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 [ 48.792473][ T416] RSP: 0018:ffffc900008a7d20 EFLAGS: 00010286 [ 48.798512][ T416] RAX: 0000000000000000 RBX: ffff88810d474068 RCX: 0000000000000000 [ 48.806557][ T416] RDX: 0000000000000001 RSI: ffffffff85587768 RDI: fffff52000114f96 [ 48.814763][ T416] RBP: ffffc900008a7d38 R08: 0000000000000001 R09: ffff8881f734b067 [ 48.822852][ T416] R10: ffffed103ee6960c R11: 203a73666e72656b R12: ffff88810d474468 [ 48.831030][ T416] R13: ffffffff84df8200 R14: ffffc900008a7e10 R15: 0000000000000000 [ 48.839346][ T416] FS: 00007eff41085700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 48.848542][ T416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.855134][ T416] CR2: 00007eff41084ff8 CR3: 000000010d5e4000 CR4: 00000000003506a0 [ 48.863482][ T416] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.871801][ T416] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.880257][ T416] Call Trace: [ 48.883606][ T416] sysfs_remove_link+0x37/0xa0 [ 48.888399][ T416] del_gendisk+0x74b/0xa60 [ 48.892924][ T416] ? disk_events_poll_msecs_store+0x1b0/0x1b0 [ 48.899047][ T416] ? loop_lookup+0x73/0x1a0 [ 48.903690][ T416] ? loop_queue_rq+0x3f0/0x3f0 [ 48.908463][ T416] ? __mutex_lock_killable_slowpath+0x10/0x10 [ 48.914549][ T416] loop_control_ioctl+0x30d/0x3d0 [ 48.919608][ T416] ? loop_lookup+0x1a0/0x1a0 [ 48.924213][ T416] __x64_sys_ioctl+0x129/0x1a0 [ 48.929109][ T416] do_syscall_64+0x32/0x80 [ 48.933540][ T416] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.939582][ T416] RIP: 0033:0x7eff4110f109 [ 48.944115][ 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 [ 48.964280][ T416] RSP: 002b:00007eff41085168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 48.972981][ T416] RAX: ffffffffffffffda RBX: 00007eff41221f60 RCX: 00007eff4110f109 [ 48.981182][ T416] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 48.989187][ T416] RBP: 00007eff411690ad R08: 0000000000000000 R09: 0000000000000000 [ 48.997219][ T416] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 49.005290][ T416] R13: 00007ffded1f66df R14: 00007eff41085300 R15: 0000000000022000 [ 49.013256][ T416] ---[ end trace 0f8b16062b1cb00e ]--- [ 49.019230][ T416] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 49.031028][ T416] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 49.039511][ T416] CPU: 1 PID: 416 Comm: syz-executor.0 Tainted: G W 5.10.43-syzkaller #0 [ 49.051024][ T416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.061065][ T416] RIP: 0010:strlen+0x1f/0xa0 [ 49.065909][ T416] Code: 48 8b 45 e8 eb 88 0f 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 fa 48 89 e5 48 c1 ea 03 41 54 49 89 fc 53 48 83 ec 08 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 04 84 c0 75 4d 41 80 3c 24 [ 49.085598][ T416] RSP: 0018:ffffc900008a7c90 EFLAGS: 00010286 [ 49.091694][ T416] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff84262aa9 [ 49.099696][ T416] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 49.107932][ T416] RBP: ffffc900008a7ca8 R08: 0000000000000001 R09: ffffc900008a7cbf [ 49.116269][ T416] R10: fffff52000114f97 R11: 0000000000000000 R12: 0000000000000000 [ 49.124302][ T416] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000008 [ 49.132603][ T416] FS: 00007eff41085700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 49.141502][ T416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.148171][ T416] CR2: 00007eff41084ff8 CR3: 000000010d5e4000 CR4: 00000000003506a0 [ 49.156310][ T416] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.164512][ T416] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.172455][ T416] Call Trace: [ 49.175753][ T416] ? mutex_lock+0x79/0xd0 [ 49.180055][ T416] kernfs_name_hash+0x16/0xc0 [ 49.184839][ T416] kernfs_find_ns+0x84/0x210 [ 49.189405][ T416] kernfs_remove_by_name_ns+0x32/0x80 [ 49.194842][ T416] sysfs_remove_link+0x37/0xa0 [ 49.199583][ T416] del_gendisk+0x5f8/0xa60 [ 49.203995][ T416] ? disk_events_poll_msecs_store+0x1b0/0x1b0 [ 49.210034][ T416] ? loop_lookup+0x73/0x1a0 [ 49.214516][ T416] ? loop_queue_rq+0x3f0/0x3f0 [ 49.219352][ T416] ? __mutex_lock_killable_slowpath+0x10/0x10 [ 49.225397][ T416] loop_control_ioctl+0x30d/0x3d0 [ 49.230417][ T416] ? loop_lookup+0x1a0/0x1a0 [ 49.235173][ T416] __x64_sys_ioctl+0x129/0x1a0 [ 49.239914][ T416] do_syscall_64+0x32/0x80 [ 49.244331][ T416] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.250298][ T416] RIP: 0033:0x7eff4110f109 [ 49.254681][ 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 [ 49.274598][ T416] RSP: 002b:00007eff41085168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 49.283316][ T416] RAX: ffffffffffffffda RBX: 00007eff41221f60 RCX: 00007eff4110f109 [ 49.291354][ T416] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 49.299386][ T416] RBP: 00007eff411690ad R08: 0000000000000000 R09: 0000000000000000 [ 49.307328][ T416] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 49.315369][ T416] R13: 00007ffded1f66df R14: 00007eff41085300 R15: 0000000000022000 [ 49.323313][ T416] Modules linked in: [ 49.327515][ T416] ---[ end trace 0f8b16062b1cb00f ]--- [ 49.333087][ T416] RIP: 0010:strlen+0x1f/0xa0 [ 49.337652][ T416] Code: 48 8b 45 e8 eb 88 0f 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 fa 48 89 e5 48 c1 ea 03 41 54 49 89 fc 53 48 83 ec 08 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 04 84 c0 75 4d 41 80 3c 24 [ 49.357426][ T416] RSP: 0018:ffffc900008a7c90 EFLAGS: 00010286 [ 49.363500][ T416] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff84262aa9 [ 49.371451][ T416] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 49.379418][ T416] RBP: ffffc900008a7ca8 R08: 0000000000000001 R09: ffffc900008a7cbf [ 49.387395][ T416] R10: fffff52000114f97 R11: 0000000000000000 R12: 0000000000000000 [ 49.395371][ T416] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000008 [ 49.403335][ T416] FS: 00007eff41085700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 49.412322][ T416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.418986][ T416] CR2: 00007eff41084ff8 CR3: 000000010d5e4000 CR4: 00000000003506a0 [ 49.426957][ T416] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.435017][ T416] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.443013][ T416] Kernel panic - not syncing: Fatal exception [ 49.449302][ T416] Kernel Offset: disabled [ 49.453723][ T416] Rebooting in 86400 seconds..