[ 23.682910][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 23.691198][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 23.700805][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 23.714167][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 23.727866][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 23.843866][ T358] syz-executor.0 (358) used greatest stack depth: 19352 bytes left [ 24.302676][ T179] device bridge_slave_1 left promiscuous mode [ 24.308697][ T179] bridge0: port 2(bridge_slave_1) entered disabled state [ 24.316253][ T179] device bridge_slave_0 left promiscuous mode [ 24.322641][ T179] bridge0: port 1(bridge_slave_0) entered disabled state Warning: Permanently added '10.128.0.249' (ED25519) to the list of known hosts. 2024/04/06 10:50:09 ignoring optional flag "sandboxArg"="0" 2024/04/06 10:50:09 parsed 1 programs [ 43.214159][ T23] kauditd_printk_skb: 68 callbacks suppressed [ 43.214169][ T23] audit: type=1400 audit(1712400609.220:144): avc: denied { mounton } for pid=403 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 [ 43.244730][ T403] cgroup1: Unknown subsys name 'net' [ 43.250395][ T403] cgroup1: Unknown subsys name 'net_prio' [ 43.256439][ T403] cgroup1: Unknown subsys name 'devices' 2024/04/06 10:50:09 executed programs: 0 [ 43.264570][ T403] cgroup1: Unknown subsys name 'hugetlb' [ 43.270652][ T403] cgroup1: Unknown subsys name 'rlimit' [ 43.277155][ T23] audit: type=1400 audit(1712400609.290:145): avc: denied { mounton } for pid=403 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 [ 43.302523][ T23] audit: type=1400 audit(1712400609.290:146): avc: denied { mount } for pid=403 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 [ 43.358934][ T407] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.365983][ T407] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.373411][ T407] device bridge_slave_0 entered promiscuous mode [ 43.380257][ T407] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.387489][ T407] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.394788][ T407] device bridge_slave_1 entered promiscuous mode [ 43.439450][ T23] audit: type=1400 audit(1712400609.440:147): avc: denied { create } for pid=407 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 43.447872][ T407] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.460082][ T23] audit: type=1400 audit(1712400609.440:148): avc: denied { write } for pid=407 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 43.466888][ T407] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.467017][ T407] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.487934][ T23] audit: type=1400 audit(1712400609.440:149): avc: denied { read } for pid=407 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 43.494666][ T407] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.545610][ T125] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.553436][ T125] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.560709][ T125] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.568549][ T125] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.578165][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.586534][ T74] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.593479][ T74] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.613435][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.621406][ T74] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.628449][ T74] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.635931][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.644414][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.663194][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 43.671560][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 43.682643][ T125] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 43.700096][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 43.708828][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 43.722439][ T23] audit: type=1400 audit(1712400609.730:150): avc: denied { mounton } for pid=407 comm="syz-executor.0" path="/dev/binderfs" dev="devtmpfs" ino=708 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1 [ 43.755903][ T23] audit: type=1400 audit(1712400609.760:151): avc: denied { ioctl } for pid=412 comm="syz-executor.0" path="/dev/loop-control" dev="devtmpfs" ino=9322 ioctlcmd=0x4c81 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 43.814969][ T414] FAULT_INJECTION: forcing a failure. [ 43.814969][ T414] name failslab, interval 1, probability 0, space 0, times 1 [ 43.827715][ T414] CPU: 0 PID: 414 Comm: syz-executor.0 Not tainted 5.4.268-syzkaller-04870-gd0d34dcb02cc #0 [ 43.837600][ T414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 43.847547][ T414] Call Trace: [ 43.850800][ T414] dump_stack+0x1d8/0x241 [ 43.855139][ T414] ? panic+0x896/0x896 [ 43.859305][ T414] ? nf_ct_l4proto_log_invalid+0x258/0x258 [ 43.865298][ T414] should_fail+0x71f/0x880 [ 43.869643][ T414] ? setup_fault_attr+0x3d0/0x3d0 [ 43.874770][ T414] ? deref_stack_reg+0x1f0/0x1f0 [ 43.879848][ T414] ? stack_trace_save+0x118/0x1c0 [ 43.884718][ T414] ? __kernfs_new_node+0x99/0x6e0 [ 43.889746][ T414] should_failslab+0x5/0x20 [ 43.894101][ T414] __kmalloc_track_caller+0x4f/0x2b0 [ 43.899292][ T414] ? entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 43.905283][ T414] kstrdup_const+0x51/0x90 [ 43.909622][ T414] __kernfs_new_node+0x99/0x6e0 [ 43.914310][ T414] ? entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 43.920210][ T414] ? kernfs_new_node+0x160/0x160 [ 43.924991][ T414] ? stack_trace_save+0x118/0x1c0 [ 43.929842][ T414] ? stack_trace_snprint+0x170/0x170 [ 43.934971][ T414] ? stack_depot_save+0x417/0x480 [ 43.939821][ T414] ? _raw_spin_unlock_irqrestore+0x57/0x80 [ 43.945552][ T414] ? stack_depot_save+0x417/0x480 [ 43.950587][ T414] kernfs_create_dir_ns+0x90/0x220 [ 43.955821][ T414] sysfs_create_dir_ns+0x185/0x390 [ 43.961005][ T414] ? sysfs_warn_dup+0xa0/0xa0 [ 43.965613][ T414] kobject_add_internal+0x6b7/0xca0 [ 43.970642][ T414] kobject_add+0x14e/0x210 [ 43.974981][ T414] ? _raw_spin_lock+0xa4/0x1b0 [ 43.979585][ T414] ? kobject_init+0x1d0/0x1d0 [ 43.984201][ T414] ? mutex_unlock+0x18/0x40 [ 43.988568][ T414] ? get_device_parent+0x293/0x400 [ 43.993483][ T414] device_add+0x3eb/0xbb0 [ 43.997686][ T414] __device_add_disk+0x767/0x1220 [ 44.002520][ T414] ? device_add_disk+0x30/0x30 [ 44.007123][ T414] ? __alloc_disk_node+0x459/0x5a0 [ 44.012355][ T414] loop_add+0x573/0x740 [ 44.016344][ T414] loop_control_ioctl+0x448/0x620 [ 44.021204][ T414] ? loop_remove+0xa0/0xa0 [ 44.025612][ T414] ? memset+0x1f/0x40 [ 44.029464][ T414] ? fsnotify+0x1280/0x1340 [ 44.033802][ T414] ? loop_remove+0xa0/0xa0 [ 44.038309][ T414] do_vfs_ioctl+0x742/0x1720 [ 44.042735][ T414] ? ioctl_preallocate+0x250/0x250 [ 44.047939][ T414] ? __fget+0x407/0x490 [ 44.051937][ T414] ? fget_many+0x20/0x20 [ 44.056097][ T414] ? debug_smp_processor_id+0x20/0x20 [ 44.061301][ T414] ? security_file_ioctl+0x7d/0xa0 [ 44.066335][ T414] __x64_sys_ioctl+0xd4/0x110 [ 44.070857][ T414] do_syscall_64+0xca/0x1c0 [ 44.075201][ T414] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 44.082754][ T414] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 44.090488][ T414] kobject_add_internal failed for queue (error: -2 parent: loop0) [ 44.098406][ T414] ------------[ cut here ]------------ [ 44.103678][ T414] WARNING: CPU: 0 PID: 414 at fs/sysfs/file.c:328 sysfs_create_files+0x325/0x470 [ 44.112882][ T414] Modules linked in: [ 44.116801][ T414] CPU: 0 PID: 414 Comm: syz-executor.0 Not tainted 5.4.268-syzkaller-04870-gd0d34dcb02cc #0 [ 44.126859][ T414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 44.136761][ T414] RIP: 0010:sysfs_create_files+0x325/0x470 [ 44.142481][ T414] Code: c1 03 38 c1 0f 8c b7 fe ff ff 48 8d 7c 24 70 e8 e1 13 d6 ff e9 a8 fe ff ff e8 67 40 a6 ff 31 db e9 ef 00 00 00 e8 5b 40 a6 ff <0f> 0b bb ea ff ff ff 4c 8b 74 24 08 eb 17 85 db 0f 84 cf 00 00 00 [ 44.162013][ T414] RSP: 0018:ffff8881db757940 EFLAGS: 00010293 [ 44.167999][ T414] RAX: ffffffff81be07f8 RBX: ffff8881ef1b00a0 RCX: ffff8881f31e0fc0 [ 44.175980][ T414] RDX: 0000000000000000 RSI: ffffffff85a65aa0 RDI: ffff8881ef1b0070 [ 44.183802][ T414] RBP: ffff8881db757a10 R08: ffffffff844a4bb0 R09: ffffed103de26af4 [ 44.191599][ T414] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 44.199502][ T414] R13: ffffffff84f99000 R14: dffffc0000000000 R15: ffff8881ef1b0070 [ 44.207498][ T414] FS: 00007f2e5d8db6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 44.216343][ T414] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.222791][ T414] CR2: 0000557f224066c0 CR3: 00000001ef358000 CR4: 00000000003406b0 [ 44.230580][ T414] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.238943][ T414] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.246742][ T414] Call Trace: [ 44.249889][ T414] ? __warn+0x162/0x250 [ 44.253885][ T414] ? report_bug+0x3a1/0x4e0 [ 44.258211][ T414] ? sysfs_create_files+0x325/0x470 [ 44.263254][ T414] ? sysfs_create_files+0x325/0x470 [ 44.268508][ T414] ? do_invalid_op+0x6e/0x110 [ 44.272994][ T414] ? invalid_op+0x1e/0x30 [ 44.277292][ T414] ? kobject_get+0xc0/0x110 [ 44.281660][ T414] ? sysfs_create_files+0x458/0x470 [ 44.286693][ T414] ? sysfs_create_files+0x325/0x470 [ 44.291810][ T414] ? sysfs_create_file_ns+0x2a0/0x2a0 [ 44.297106][ T414] ? kobject_get+0xc9/0x110 [ 44.301452][ T414] __device_add_disk+0x949/0x1220 [ 44.306416][ T414] ? device_add_disk+0x30/0x30 [ 44.310997][ T414] ? __alloc_disk_node+0x459/0x5a0 [ 44.316487][ T414] loop_add+0x573/0x740 [ 44.320585][ T414] loop_control_ioctl+0x448/0x620 [ 44.325873][ T414] ? loop_remove+0xa0/0xa0 [ 44.330110][ T414] ? memset+0x1f/0x40 [ 44.334483][ T414] ? fsnotify+0x1280/0x1340 [ 44.338793][ T414] ? loop_remove+0xa0/0xa0 [ 44.343136][ T414] do_vfs_ioctl+0x742/0x1720 [ 44.347912][ T414] ? ioctl_preallocate+0x250/0x250 [ 44.353017][ T414] ? __fget+0x407/0x490 [ 44.357007][ T414] ? fget_many+0x20/0x20 [ 44.361088][ T414] ? debug_smp_processor_id+0x20/0x20 [ 44.366328][ T414] ? security_file_ioctl+0x7d/0xa0 [ 44.371242][ T414] __x64_sys_ioctl+0xd4/0x110 [ 44.376415][ T414] do_syscall_64+0xca/0x1c0 [ 44.381201][ T414] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 44.387055][ T414] ---[ end trace b288aecb22aeeb35 ]--- [ 44.395891][ T414] ------------[ cut here ]------------ [ 44.401422][ T414] kernfs: can not remove 'events', no directory [ 44.409026][ T414] WARNING: CPU: 1 PID: 414 at fs/kernfs/dir.c:1511 kernfs_remove_by_name_ns+0xb1/0x100 [ 44.418535][ T414] Modules linked in: [ 44.422327][ T414] CPU: 1 PID: 414 Comm: syz-executor.0 Tainted: G W 5.4.268-syzkaller-04870-gd0d34dcb02cc #0 [ 44.433763][ T414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 44.443844][ T414] RIP: 0010:kernfs_remove_by_name_ns+0xb1/0x100 [ 44.450032][ T414] Code: ff 03 48 89 df e8 ff ef ff ff 48 89 df e8 67 ae ff ff 31 db eb 27 e8 fe 9d a6 ff 48 c7 c7 40 9f e5 84 4c 89 fe e8 ff 54 7d ff <0f> 0b bb fe ff ff ff eb 16 e8 e1 9d a6 ff bb fe ff ff ff 48 c7 c7 [ 44.469494][ T414] RSP: 0018:ffff8881db757918 EFLAGS: 00010246 [ 44.475437][ T414] RAX: 7c8ff0fbe883b100 RBX: 0000000000000000 RCX: ffff8881f31e0fc0 [ 44.483332][ T414] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 44.491231][ T414] RBP: ffff8881db757a10 R08: ffffffff814d6872 R09: ffffed103edea9b8 [ 44.499039][ T414] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 44.507024][ T414] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff84f990c0 [ 44.514841][ T414] FS: 00007f2e5d8db6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 44.523690][ T414] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.530561][ T414] CR2: 00007f2e5d8dbd58 CR3: 00000001ef358000 CR4: 00000000003406a0 [ 44.538853][ T414] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.547023][ T414] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.554827][ T414] Call Trace: [ 44.558074][ T414] ? __warn+0x162/0x250 [ 44.562052][ T414] ? report_bug+0x3a1/0x4e0 [ 44.566378][ T414] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 44.571934][ T414] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 44.577404][ T414] ? do_invalid_op+0x6e/0x110 [ 44.582086][ T414] ? invalid_op+0x1e/0x30 [ 44.586360][ T414] ? wake_up_klogd+0xb2/0xf0 [ 44.590783][ T414] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 44.596281][ T414] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 44.601870][ T414] sysfs_create_files+0x3de/0x470 [ 44.606917][ T414] ? sysfs_create_file_ns+0x2a0/0x2a0 [ 44.612131][ T414] ? kobject_get+0xc9/0x110 [ 44.616554][ T414] __device_add_disk+0x949/0x1220 [ 44.621663][ T414] ? device_add_disk+0x30/0x30 [ 44.626265][ T414] ? __alloc_disk_node+0x459/0x5a0 [ 44.631244][ T414] loop_add+0x573/0x740 [ 44.635291][ T414] loop_control_ioctl+0x448/0x620 [ 44.640353][ T414] ? loop_remove+0xa0/0xa0 [ 44.644835][ T414] ? memset+0x1f/0x40 [ 44.648795][ T414] ? fsnotify+0x1280/0x1340 [ 44.653221][ T414] ? loop_remove+0xa0/0xa0 [ 44.657512][ T414] do_vfs_ioctl+0x742/0x1720 [ 44.662080][ T414] ? ioctl_preallocate+0x250/0x250 [ 44.667459][ T414] ? __fget+0x407/0x490 [ 44.671462][ T414] ? fget_many+0x20/0x20 [ 44.675528][ T414] ? debug_smp_processor_id+0x20/0x20 [ 44.680729][ T414] ? security_file_ioctl+0x7d/0xa0 [ 44.685787][ T414] __x64_sys_ioctl+0xd4/0x110 [ 44.690276][ T414] do_syscall_64+0xca/0x1c0 [ 44.694617][ T414] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 44.700363][ T414] ---[ end trace b288aecb22aeeb36 ]--- [ 44.707925][ T414] loop0: failed to create sysfs files for events [ 44.721869][ T417] ------------[ cut here ]------------ [ 44.727251][ T417] kernfs: can not remove 'events', no directory [ 44.733667][ T417] WARNING: CPU: 0 PID: 417 at fs/kernfs/dir.c:1511 kernfs_remove_by_name_ns+0xb1/0x100 [ 44.743284][ T417] Modules linked in: [ 44.747157][ T417] CPU: 0 PID: 417 Comm: syz-executor.0 Tainted: G W 5.4.268-syzkaller-04870-gd0d34dcb02cc #0 [ 44.758413][ T417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 44.768330][ T417] RIP: 0010:kernfs_remove_by_name_ns+0xb1/0x100 [ 44.774384][ T417] Code: ff 03 48 89 df e8 ff ef ff ff 48 89 df e8 67 ae ff ff 31 db eb 27 e8 fe 9d a6 ff 48 c7 c7 40 9f e5 84 4c 89 fe e8 ff 54 7d ff <0f> 0b bb fe ff ff ff eb 16 e8 e1 9d a6 ff bb fe ff ff ff 48 c7 c7 [ 44.793934][ T417] RSP: 0018:ffff8881ef677a38 EFLAGS: 00010246 [ 44.799837][ T417] RAX: 4cdb6a0d30d1f500 RBX: 0000000000000000 RCX: ffff8881f31e2f40 [ 44.807905][ T417] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 44.815803][ T417] RBP: ffffffff85a65aa0 R08: ffffffff814d6872 R09: 0000000000000003 [ 44.823788][ T417] R10: ffffffffffffffff R11: dffffc0000000001 R12: 0000000000000000 [ 44.831598][ T417] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff84f990c0 [ 44.839710][ T417] FS: 00007f2e5d8fc6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 44.849084][ T417] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.855763][ T417] CR2: 00007f2e5da89028 CR3: 00000001ef263000 CR4: 00000000003406b0 [ 44.864105][ T417] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.872373][ T417] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.880133][ T417] Call Trace: [ 44.883268][ T417] ? __warn+0x162/0x250 [ 44.887259][ T417] ? report_bug+0x3a1/0x4e0 [ 44.891686][ T417] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 44.897170][ T417] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 44.902825][ T417] ? do_invalid_op+0x6e/0x110 [ 44.907401][ T417] ? invalid_op+0x1e/0x30 [ 44.911698][ T417] ? wake_up_klogd+0xb2/0xf0 [ 44.916189][ T417] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 44.922029][ T417] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 44.927552][ T417] sysfs_remove_files+0x91/0xe0 [ 44.932332][ T417] del_gendisk+0x26e/0xc30 [ 44.936676][ T417] ? avc_flush+0x1f0/0x1f0 [ 44.940932][ T417] ? device_add_disk_no_queue_reg+0x20/0x20 [ 44.946909][ T417] ? delete_node+0x706/0x780 [ 44.952300][ T417] loop_remove+0x42/0xa0 [ 44.956491][ T417] loop_control_ioctl+0x564/0x620 [ 44.961458][ T417] ? loop_remove+0xa0/0xa0 [ 44.965660][ T417] ? loop_remove+0xa0/0xa0 [ 44.969935][ T417] do_vfs_ioctl+0x742/0x1720 [ 44.974337][ T417] ? ioctl_preallocate+0x250/0x250 [ 44.979379][ T417] ? __fget+0x407/0x490 [ 44.983361][ T417] ? fget_many+0x20/0x20 [ 44.987441][ T417] ? switch_fpu_return+0x1d4/0x410 [ 44.992671][ T417] ? security_file_ioctl+0x7d/0xa0 [ 44.997592][ T417] __x64_sys_ioctl+0xd4/0x110 [ 45.002109][ T417] do_syscall_64+0xca/0x1c0 [ 45.006551][ T417] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 45.012440][ T417] ---[ end trace b288aecb22aeeb37 ]--- [ 45.018880][ T417] ------------[ cut here ]------------ [ 45.024259][ T417] kernfs: can not remove 'events_async', no directory [ 45.030881][ T417] WARNING: CPU: 0 PID: 417 at fs/kernfs/dir.c:1511 kernfs_remove_by_name_ns+0xb1/0x100 [ 45.040515][ T417] Modules linked in: [ 45.044410][ T417] CPU: 0 PID: 417 Comm: syz-executor.0 Tainted: G W 5.4.268-syzkaller-04870-gd0d34dcb02cc #0 [ 45.055884][ T417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 45.065956][ T417] RIP: 0010:kernfs_remove_by_name_ns+0xb1/0x100 [ 45.072013][ T417] Code: ff 03 48 89 df e8 ff ef ff ff 48 89 df e8 67 ae ff ff 31 db eb 27 e8 fe 9d a6 ff 48 c7 c7 40 9f e5 84 4c 89 fe e8 ff 54 7d ff <0f> 0b bb fe ff ff ff eb 16 e8 e1 9d a6 ff bb fe ff ff ff 48 c7 c7 [ 45.091651][ T417] RSP: 0018:ffff8881ef677a38 EFLAGS: 00010246 [ 45.097496][ T417] RAX: 4cdb6a0d30d1f500 RBX: 0000000000000000 RCX: ffff8881f31e2f40 [ 45.105319][ T417] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 45.113260][ T417] RBP: ffffffff85a65aa0 R08: ffffffff814d6872 R09: ffffed103edca9b8 [ 45.121229][ T417] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 45.129348][ T417] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff84f99160 [ 45.137360][ T417] FS: 00007f2e5d8fc6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 45.146207][ T417] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.152802][ T417] CR2: 00007f2e5da89028 CR3: 00000001ef263000 CR4: 00000000003406b0 [ 45.160622][ T417] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.168807][ T417] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.176770][ T417] Call Trace: [ 45.179914][ T417] ? __warn+0x162/0x250 [ 45.183991][ T417] ? report_bug+0x3a1/0x4e0 [ 45.188320][ T417] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 45.193799][ T417] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 45.199637][ T417] ? do_invalid_op+0x6e/0x110 [ 45.204241][ T417] ? invalid_op+0x1e/0x30 [ 45.208739][ T417] ? wake_up_klogd+0xb2/0xf0 [ 45.213162][ T417] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 45.218718][ T417] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 45.224284][ T417] sysfs_remove_files+0x91/0xe0 [ 45.229001][ T417] del_gendisk+0x26e/0xc30 [ 45.233223][ T417] ? avc_flush+0x1f0/0x1f0 [ 45.237566][ T417] ? device_add_disk_no_queue_reg+0x20/0x20 [ 45.243377][ T417] ? delete_node+0x706/0x780 [ 45.247910][ T417] loop_remove+0x42/0xa0 [ 45.252060][ T417] loop_control_ioctl+0x564/0x620 [ 45.256921][ T417] ? loop_remove+0xa0/0xa0 [ 45.261173][ T417] ? loop_remove+0xa0/0xa0 [ 45.265447][ T417] do_vfs_ioctl+0x742/0x1720 [ 45.269972][ T417] ? ioctl_preallocate+0x250/0x250 [ 45.274923][ T417] ? __fget+0x407/0x490 [ 45.278967][ T417] ? fget_many+0x20/0x20 [ 45.283067][ T417] ? switch_fpu_return+0x1d4/0x410 [ 45.287997][ T417] ? security_file_ioctl+0x7d/0xa0 [ 45.292961][ T417] __x64_sys_ioctl+0xd4/0x110 [ 45.297669][ T417] do_syscall_64+0xca/0x1c0 [ 45.302195][ T417] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 45.308089][ T417] ---[ end trace b288aecb22aeeb38 ]--- [ 45.316373][ T417] ------------[ cut here ]------------ [ 45.321685][ T417] kernfs: can not remove 'events_poll_msecs', no directory [ 45.329109][ T417] WARNING: CPU: 0 PID: 417 at fs/kernfs/dir.c:1511 kernfs_remove_by_name_ns+0xb1/0x100 [ 45.339316][ T417] Modules linked in: [ 45.343334][ T417] CPU: 0 PID: 417 Comm: syz-executor.0 Tainted: G W 5.4.268-syzkaller-04870-gd0d34dcb02cc #0 [ 45.354931][ T417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 45.364921][ T417] RIP: 0010:kernfs_remove_by_name_ns+0xb1/0x100 [ 45.371074][ T417] Code: ff 03 48 89 df e8 ff ef ff ff 48 89 df e8 67 ae ff ff 31 db eb 27 e8 fe 9d a6 ff 48 c7 c7 40 9f e5 84 4c 89 fe e8 ff 54 7d ff <0f> 0b bb fe ff ff ff eb 16 e8 e1 9d a6 ff bb fe ff ff ff 48 c7 c7 [ 45.391428][ T417] RSP: 0018:ffff8881ef677a38 EFLAGS: 00010246 [ 45.397476][ T417] RAX: 4cdb6a0d30d1f500 RBX: 0000000000000000 RCX: ffff8881f31e2f40 [ 45.405654][ T417] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 45.413652][ T417] RBP: ffffffff85a65aa0 R08: ffffffff814d6872 R09: ffffed103edca9b8 [ 45.421464][ T417] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 45.429281][ T417] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff84f99180 [ 45.437315][ T417] FS: 00007f2e5d8fc6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 45.446286][ T417] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.452782][ T417] CR2: 00007f2e5da89028 CR3: 00000001ef263000 CR4: 00000000003406b0 [ 45.460977][ T417] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.468791][ T417] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.476746][ T417] Call Trace: [ 45.479877][ T417] ? __warn+0x162/0x250 [ 45.483874][ T417] ? report_bug+0x3a1/0x4e0 [ 45.488319][ T417] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 45.493809][ T417] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 45.499262][ T417] ? do_invalid_op+0x6e/0x110 [ 45.503773][ T417] ? invalid_op+0x1e/0x30 [ 45.508088][ T417] ? wake_up_klogd+0xb2/0xf0 [ 45.512514][ T417] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 45.517982][ T417] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 45.523534][ T417] sysfs_remove_files+0x91/0xe0 [ 45.528235][ T417] del_gendisk+0x26e/0xc30 [ 45.532473][ T417] ? avc_flush+0x1f0/0x1f0 [ 45.536827][ T417] ? device_add_disk_no_queue_reg+0x20/0x20 [ 45.542642][ T417] ? delete_node+0x706/0x780 [ 45.547618][ T417] loop_remove+0x42/0xa0 [ 45.551645][ T417] loop_control_ioctl+0x564/0x620 [ 45.556496][ T417] ? loop_remove+0xa0/0xa0 [ 45.560743][ T417] ? loop_remove+0xa0/0xa0 [ 45.565007][ T417] do_vfs_ioctl+0x742/0x1720 [ 45.569590][ T417] ? ioctl_preallocate+0x250/0x250 [ 45.574539][ T417] ? __fget+0x407/0x490 [ 45.578527][ T417] ? fget_many+0x20/0x20 [ 45.582737][ T417] ? switch_fpu_return+0x1d4/0x410 [ 45.587650][ T417] ? security_file_ioctl+0x7d/0xa0 [ 45.592598][ T417] __x64_sys_ioctl+0xd4/0x110 [ 45.597200][ T417] do_syscall_64+0xca/0x1c0 [ 45.601542][ T417] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 45.607351][ T417] ---[ end trace b288aecb22aeeb39 ]--- [ 45.615597][ T417] ------------[ cut here ]------------ [ 45.621234][ T417] kernfs: can not remove 'bdi', no directory [ 45.627175][ T417] WARNING: CPU: 0 PID: 417 at fs/kernfs/dir.c:1511 kernfs_remove_by_name_ns+0xb1/0x100 [ 45.636709][ T417] Modules linked in: [ 45.640445][ T417] CPU: 0 PID: 417 Comm: syz-executor.0 Tainted: G W 5.4.268-syzkaller-04870-gd0d34dcb02cc #0 [ 45.651896][ T417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 45.661895][ T417] RIP: 0010:kernfs_remove_by_name_ns+0xb1/0x100 [ 45.668164][ T417] Code: ff 03 48 89 df e8 ff ef ff ff 48 89 df e8 67 ae ff ff 31 db eb 27 e8 fe 9d a6 ff 48 c7 c7 40 9f e5 84 4c 89 fe e8 ff 54 7d ff <0f> 0b bb fe ff ff ff eb 16 e8 e1 9d a6 ff bb fe ff ff ff 48 c7 c7 [ 45.687570][ T417] RSP: 0018:ffff8881ef677a78 EFLAGS: 00010246 [ 45.693475][ T417] RAX: 4cdb6a0d30d1f500 RBX: 0000000000000000 RCX: ffff8881f31e2f40 [ 45.701368][ T417] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 45.709363][ T417] RBP: ffff8881ef677b88 R08: ffffffff814d6872 R09: 0000000000000003 [ 45.717184][ T417] R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff8881ef1b0000 [ 45.725086][ T417] R13: ffff8881ef1b04e8 R14: 0000000000000000 R15: ffffffff84f98c20 [ 45.732887][ T417] FS: 00007f2e5d8fc6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 45.741653][ T417] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.748076][ T417] CR2: 00007f2e5da89028 CR3: 00000001ef263000 CR4: 00000000003406b0 [ 45.755982][ T417] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.763870][ T417] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.771676][ T417] Call Trace: [ 45.774816][ T417] ? __warn+0x162/0x250 [ 45.778995][ T417] ? report_bug+0x3a1/0x4e0 [ 45.783327][ T417] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 45.788801][ T417] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 45.794282][ T417] ? do_invalid_op+0x6e/0x110 [ 45.798772][ T417] ? invalid_op+0x1e/0x30 [ 45.802956][ T417] ? wake_up_klogd+0xb2/0xf0 [ 45.807368][ T417] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 45.813015][ T417] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 45.818486][ T417] del_gendisk+0x5a1/0xc30 [ 45.823148][ T417] ? device_add_disk_no_queue_reg+0x20/0x20 [ 45.828901][ T417] ? delete_node+0x706/0x780 [ 45.833424][ T417] loop_remove+0x42/0xa0 [ 45.837691][ T417] loop_control_ioctl+0x564/0x620 [ 45.842628][ T417] ? loop_remove+0xa0/0xa0 [ 45.846977][ T417] ? loop_remove+0xa0/0xa0 [ 45.851304][ T417] do_vfs_ioctl+0x742/0x1720 [ 45.855834][ T417] ? ioctl_preallocate+0x250/0x250 [ 45.860881][ T417] ? __fget+0x407/0x490 [ 45.864880][ T417] ? fget_many+0x20/0x20 [ 45.868963][ T417] ? switch_fpu_return+0x1d4/0x410 [ 45.873989][ T417] ? security_file_ioctl+0x7d/0xa0 [ 45.878926][ T417] __x64_sys_ioctl+0xd4/0x110 [ 45.883606][ T417] do_syscall_64+0xca/0x1c0 [ 45.890735][ T417] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 45.896546][ T417] ---[ end trace b288aecb22aeeb3a ]--- [ 45.903906][ T417] kasan: CONFIG_KASAN_INLINE enabled [ 45.909217][ T417] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 45.917356][ T417] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 45.924668][ T417] CPU: 0 PID: 417 Comm: syz-executor.0 Tainted: G W 5.4.268-syzkaller-04870-gd0d34dcb02cc #0 [ 45.936019][ T417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 45.946092][ T417] RIP: 0010:device_del+0xe7/0xfa0 [ 45.951048][ T417] Code: df e8 3d d9 fd fe 4c 89 7c 24 18 41 bf c8 00 00 00 48 89 5c 24 08 4c 03 3b 4d 89 fc 49 c1 ec 03 48 b8 00 00 00 00 00 fc ff df <41> 0f b6 04 04 84 c0 0f 85 31 0e 00 00 41 0f b6 1f 89 de 83 e6 01 [ 45.970661][ T417] RSP: 0018:ffff8881ef6779c0 EFLAGS: 00010202 [ 45.976672][ T417] RAX: dffffc0000000000 RBX: ffff8881ef1b00d8 RCX: 1ffff1103de3601b [ 45.984491][ T417] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff8881ef677940 [ 45.992457][ T417] RBP: ffff8881ef677a90 R08: dffffc0000000000 R09: ffffed103decef29 [ 46.000259][ T417] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000019 [ 46.008081][ T417] R13: ffff8881ef1b0070 R14: ffff8881ef1b0110 R15: 00000000000000c8 [ 46.016271][ T417] FS: 00007f2e5d8fc6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 46.025019][ T417] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.031648][ T417] CR2: 00007f2e5da89028 CR3: 00000001ef263000 CR4: 00000000003406b0 [ 46.039624][ T417] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 46.047636][ T417] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 46.055706][ T417] Call Trace: [ 46.058850][ T417] ? __die+0xb4/0x100 [ 46.062767][ T417] ? die+0x26/0x50 [ 46.066331][ T417] ? do_general_protection+0x266/0x3c0 [ 46.072056][ T417] ? do_trap+0x340/0x340 [ 46.076163][ T417] ? general_protection+0x28/0x30 [ 46.081086][ T417] ? device_del+0xe7/0xfa0 [ 46.085416][ T417] ? mutex_trylock+0xa0/0xa0 [ 46.089843][ T417] ? kill_device+0xc0/0xc0 [ 46.094093][ T417] ? _raw_spin_unlock_irq+0x4a/0x60 [ 46.099141][ T417] ? pm_runtime_set_memalloc_noio+0x1ec/0x250 [ 46.105164][ T417] del_gendisk+0x9d9/0xc30 [ 46.109433][ T417] ? device_add_disk_no_queue_reg+0x20/0x20 [ 46.115304][ T417] ? delete_node+0x706/0x780 [ 46.119767][ T417] loop_remove+0x42/0xa0 [ 46.123850][ T417] loop_control_ioctl+0x564/0x620 [ 46.128800][ T417] ? loop_remove+0xa0/0xa0 [ 46.133198][ T417] ? loop_remove+0xa0/0xa0 [ 46.137596][ T417] do_vfs_ioctl+0x742/0x1720 [ 46.142005][ T417] ? ioctl_preallocate+0x250/0x250 [ 46.147162][ T417] ? __fget+0x407/0x490 [ 46.151155][ T417] ? fget_many+0x20/0x20 [ 46.155381][ T417] ? switch_fpu_return+0x1d4/0x410 [ 46.160509][ T417] ? security_file_ioctl+0x7d/0xa0 [ 46.165625][ T417] __x64_sys_ioctl+0xd4/0x110 [ 46.170245][ T417] do_syscall_64+0xca/0x1c0 [ 46.174697][ T417] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 46.180490][ T417] Modules linked in: [ 46.184910][ T417] ---[ end trace b288aecb22aeeb3b ]--- [ 46.190273][ T417] RIP: 0010:device_del+0xe7/0xfa0 [ 46.195886][ T417] Code: df e8 3d d9 fd fe 4c 89 7c 24 18 41 bf c8 00 00 00 48 89 5c 24 08 4c 03 3b 4d 89 fc 49 c1 ec 03 48 b8 00 00 00 00 00 fc ff df <41> 0f b6 04 04 84 c0 0f 85 31 0e 00 00 41 0f b6 1f 89 de 83 e6 01 [ 46.216173][ T417] RSP: 0018:ffff8881ef6779c0 EFLAGS: 00010202 [ 46.222315][ T417] RAX: dffffc0000000000 RBX: ffff8881ef1b00d8 RCX: 1ffff1103de3601b [ 46.230491][ T417] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff8881ef677940 [ 46.238586][ T417] RBP: ffff8881ef677a90 R08: dffffc0000000000 R09: ffffed103decef29 [ 46.247045][ T417] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000019 [ 46.254831][ T417] R13: ffff8881ef1b0070 R14: ffff8881ef1b0110 R15: 00000000000000c8 [ 46.262809][ T417] FS: 00007f2e5d8fc6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 46.271718][ T417] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.278417][ T417] CR2: 00007f2e5da89028 CR3: 00000001ef263000 CR4: 00000000003406b0 [ 46.286367][ T417] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 46.294239][ T417] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 46.302035][ T417] Kernel panic - not syncing: Fatal exception [ 46.308192][ T417] Kernel Offset: disabled [ 46.312317][ T417] Rebooting in 86400 seconds..