Warning: Permanently added '10.128.1.184' (ED25519) to the list of known hosts. 2025/04/17 12:25:07 ignoring optional flag "sandboxArg"="0" 2025/04/17 12:25:07 ignoring optional flag "type"="gce" 2025/04/17 12:25:07 parsed 1 programs 2025/04/17 12:25:07 executed programs: 0 [ 47.015513][ T413] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.023351][ T413] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.030866][ T413] device bridge_slave_0 entered promiscuous mode [ 47.038891][ T413] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.046650][ T413] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.054398][ T413] device bridge_slave_1 entered promiscuous mode [ 47.096714][ T413] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.103848][ T413] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.111303][ T413] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.118524][ T413] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.139110][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.146423][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.154117][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 47.161572][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.171027][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.179397][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.186621][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.195788][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.204177][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.211645][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.226206][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.236279][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.251465][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 47.262586][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 47.275475][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 47.288251][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.298604][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.314954][ T23] kauditd_printk_skb: 15 callbacks suppressed [ 47.314966][ T23] audit: type=1400 audit(1744892707.650:91): avc: denied { mounton } for pid=413 comm="syz-executor.0" path="/dev/binderfs" dev="devtmpfs" ino=12629 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1 [ 47.363540][ T23] audit: type=1400 audit(1744892707.700:92): avc: denied { read } for pid=418 comm="syz-executor.0" name="loop-control" dev="devtmpfs" ino=9416 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 47.389052][ T23] audit: type=1400 audit(1744892707.700:93): avc: denied { open } for pid=418 comm="syz-executor.0" path="/dev/loop-control" dev="devtmpfs" ino=9416 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 47.414795][ T23] audit: type=1400 audit(1744892707.700:94): avc: denied { ioctl } for pid=418 comm="syz-executor.0" path="/dev/loop-control" dev="devtmpfs" ino=9416 ioctlcmd=0x4c80 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 47.447259][ T422] sysfs: cannot create duplicate filename '/devices/virtual/bdi/7:0' [ 47.455383][ T422] CPU: 0 PID: 422 Comm: syz-executor.0 Not tainted 5.4.290-syzkaller-05053-g41adfeb3d639 #0 [ 47.465417][ T422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 47.475321][ T422] Call Trace: [ 47.478452][ T422] dump_stack+0x1d8/0x241 [ 47.482599][ T422] ? panic+0x89d/0x89d [ 47.486539][ T422] ? nf_ct_l4proto_log_invalid+0x258/0x258 [ 47.492173][ T422] ? kmem_cache_alloc_trace+0x11b/0x280 [ 47.497539][ T422] ? sysfs_create_dir_ns+0x282/0x390 [ 47.502743][ T422] sysfs_create_dir_ns+0x2c6/0x390 [ 47.507686][ T422] ? sysfs_warn_dup+0xa0/0xa0 [ 47.512202][ T422] kobject_add_internal+0x763/0xda0 [ 47.517361][ T422] kobject_add+0x14e/0x210 [ 47.521618][ T422] ? _raw_spin_lock+0xa4/0x1b0 [ 47.526318][ T422] ? kobject_init+0x1e0/0x1e0 [ 47.530943][ T422] ? __kasan_check_write+0x14/0x20 [ 47.536058][ T422] ? mutex_unlock+0x1c/0x40 [ 47.540839][ T422] ? get_device_parent+0x2a1/0x410 [ 47.545806][ T422] device_add+0x3be/0xbc0 [ 47.549968][ T422] device_create_vargs+0x1c6/0x220 [ 47.554989][ T422] device_create+0xea/0x130 [ 47.559325][ T422] ? device_create_vargs+0x220/0x220 [ 47.564577][ T422] ? memset+0x31/0x40 [ 47.568469][ T422] bdi_register_va+0x93/0x680 [ 47.573068][ T422] bdi_register+0xd1/0x120 [ 47.577399][ T422] ? __device_add_disk+0x551/0x1220 [ 47.582664][ T422] ? bdi_register_va+0x680/0x680 [ 47.587522][ T422] ? vsnprintf+0x1b96/0x1c70 [ 47.592189][ T422] bdi_register_owner+0x59/0xf0 [ 47.596976][ T422] __device_add_disk+0x5d1/0x1220 [ 47.601836][ T422] ? device_add_disk+0x40/0x40 [ 47.606638][ T422] ? vsprintf+0x40/0x40 [ 47.610727][ T422] device_add_disk+0x2a/0x40 [ 47.615254][ T422] loop_add+0x57e/0x750 [ 47.619231][ T422] loop_control_ioctl+0x448/0x620 [ 47.624066][ T422] ? loop_remove+0xb0/0xb0 [ 47.628318][ T422] ? futex_exit_release+0x1d0/0x1d0 [ 47.633502][ T422] ? selinux_file_ioctl+0x4df/0x970 [ 47.638788][ T422] ? loop_remove+0xb0/0xb0 [ 47.643136][ T422] do_vfs_ioctl+0x742/0x1720 [ 47.647835][ T422] ? ioctl_preallocate+0x250/0x250 [ 47.652847][ T422] ? check_preemption_disabled+0x153/0x320 [ 47.658486][ T422] ? __fget+0x407/0x490 [ 47.662749][ T422] ? fget_many+0x30/0x30 [ 47.666895][ T422] ? switch_fpu_return+0x1d4/0x410 [ 47.672027][ T422] ? fpu__clear+0x3c0/0x3c0 [ 47.676543][ T422] ? security_file_ioctl+0x84/0xb0 [ 47.681788][ T422] __x64_sys_ioctl+0xe3/0x120 [ 47.686578][ T422] do_syscall_64+0xd8/0x170 [ 47.691032][ T422] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 47.696763][ T422] RIP: 0033:0x7fe75f7cd859 [ 47.701084][ T422] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 47.721654][ T422] RSP: 002b:00007fe75f3500c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.730186][ T422] RAX: ffffffffffffffda RBX: 00007fe75f8ecf80 RCX: 00007fe75f7cd859 [ 47.738400][ T422] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 47.746652][ T422] RBP: 00007fe75f829ad0 R08: 0000000000000000 R09: 0000000000000000 [ 47.754584][ T422] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 47.762383][ T422] R13: 000000000000000b R14: 00007fe75f8ecf80 R15: 00007ffc68e82088 [ 47.772307][ T422] kobject_add_internal failed for 7:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 47.785701][ T422] ------------[ cut here ]------------ [ 47.791288][ T422] WARNING: CPU: 0 PID: 422 at block/genhd.c:742 __device_add_disk+0xea1/0x1220 [ 47.800089][ T422] Modules linked in: [ 47.803994][ T422] CPU: 0 PID: 422 Comm: syz-executor.0 Not tainted 5.4.290-syzkaller-05053-g41adfeb3d639 #0 [ 47.814069][ T422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 47.824241][ T422] RIP: 0010:__device_add_disk+0xea1/0x1220 [ 47.829957][ T422] Code: ff ff e8 e2 6c 3c ff 0f 0b e9 52 f3 ff ff e8 d6 6c 3c ff 0f 0b 42 80 3c 2b 00 0f 85 ac f8 ff ff e9 af f8 ff ff e8 bf 6c 3c ff <0f> 0b e9 41 f7 ff ff e8 b3 6c 3c ff e9 18 ff ff ff 44 89 f9 80 e1 [ 47.849733][ T422] RSP: 0018:ffff8881eac67a00 EFLAGS: 00010293 [ 47.855942][ T422] RAX: ffffffff82292e11 RBX: 00000000ffffffef RCX: ffff8881ed8b8000 [ 47.864178][ T422] RDX: 0000000000000000 RSI: 00000000ffffffef RDI: 0000000000000000 [ 47.872339][ T422] RBP: ffff8881eac67b30 R08: ffffffff8229254c R09: 0000000000000003 [ 47.880223][ T422] R10: ffffed103d58ce58 R11: dffffc0000000001 R12: ffff8881eb3b5000 [ 47.888522][ T422] R13: dffffc0000000000 R14: ffff8881eb3b5070 R15: 1ffff1103d676a9d [ 47.896760][ T422] FS: 00007fe75f3506c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 47.905611][ T422] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.912325][ T422] CR2: 00007ffc68e82298 CR3: 00000001ef09e000 CR4: 00000000003406b0 [ 47.920269][ T422] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.928228][ T422] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.936401][ T422] Call Trace: [ 47.939493][ T422] ? show_regs+0x51/0x60 [ 47.943589][ T422] ? __warn+0x168/0x250 [ 47.947847][ T422] ? __device_add_disk+0xea1/0x1220 [ 47.952958][ T422] ? report_bug+0x3d7/0x520 [ 47.957528][ T422] ? __device_add_disk+0xea1/0x1220 [ 47.962529][ T422] ? do_invalid_op+0x75/0x120 [ 47.967250][ T422] ? __device_add_disk+0xea1/0x1220 [ 47.972288][ T422] ? invalid_op+0x1e/0x30 [ 47.976445][ T422] ? __device_add_disk+0x5dc/0x1220 [ 47.981677][ T422] ? __device_add_disk+0xea1/0x1220 [ 47.986894][ T422] ? __device_add_disk+0xea1/0x1220 [ 47.991932][ T422] ? device_add_disk+0x40/0x40 [ 47.996576][ T422] ? vsprintf+0x40/0x40 [ 48.000844][ T422] device_add_disk+0x2a/0x40 [ 48.005904][ T422] loop_add+0x57e/0x750 [ 48.010335][ T422] loop_control_ioctl+0x448/0x620 [ 48.015284][ T422] ? loop_remove+0xb0/0xb0 [ 48.019603][ T422] ? futex_exit_release+0x1d0/0x1d0 [ 48.024857][ T422] ? selinux_file_ioctl+0x4df/0x970 [ 48.029895][ T422] ? loop_remove+0xb0/0xb0 [ 48.034505][ T422] do_vfs_ioctl+0x742/0x1720 [ 48.039051][ T422] ? ioctl_preallocate+0x250/0x250 [ 48.044210][ T422] ? check_preemption_disabled+0x153/0x320 [ 48.050034][ T422] ? __fget+0x407/0x490 [ 48.054176][ T422] ? fget_many+0x30/0x30 [ 48.058328][ T422] ? switch_fpu_return+0x1d4/0x410 [ 48.063278][ T422] ? fpu__clear+0x3c0/0x3c0 [ 48.067929][ T422] ? security_file_ioctl+0x84/0xb0 [ 48.073265][ T422] __x64_sys_ioctl+0xe3/0x120 [ 48.078020][ T422] do_syscall_64+0xd8/0x170 [ 48.082457][ T422] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 48.089381][ T422] RIP: 0033:0x7fe75f7cd859 [ 48.094045][ T422] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 48.114143][ T422] RSP: 002b:00007fe75f3500c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 48.122511][ T422] RAX: ffffffffffffffda RBX: 00007fe75f8ecf80 RCX: 00007fe75f7cd859 [ 48.131112][ T422] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 48.139552][ T422] RBP: 00007fe75f829ad0 R08: 0000000000000000 R09: 0000000000000000 [ 48.147683][ T422] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 48.155925][ T422] R13: 000000000000000b R14: 00007fe75f8ecf80 R15: 00007ffc68e82088 [ 48.164219][ T422] ---[ end trace 4764ab88eb339bbf ]--- [ 48.172168][ T422] sysfs: cannot create duplicate filename '/dev/block/7:0' [ 48.179384][ T422] CPU: 0 PID: 422 Comm: syz-executor.0 Tainted: G W 5.4.290-syzkaller-05053-g41adfeb3d639 #0 [ 48.191863][ T422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 48.202307][ T422] Call Trace: [ 48.205747][ T422] dump_stack+0x1d8/0x241 [ 48.210315][ T422] ? panic+0x89d/0x89d [ 48.214221][ T422] ? nf_ct_l4proto_log_invalid+0x258/0x258 [ 48.220183][ T422] ? kasan_kmalloc+0x9/0x10 [ 48.225027][ T422] ? kmem_cache_alloc_trace+0x11b/0x280 [ 48.231106][ T422] ? sysfs_warn_dup+0x51/0xa0 [ 48.235684][ T422] sysfs_warn_dup+0x8e/0xa0 [ 48.240759][ T422] sysfs_do_create_link_sd+0xc2/0x110 [ 48.246031][ T422] sysfs_create_link+0x68/0x80 [ 48.250626][ T422] device_create_sys_dev_entry+0x117/0x170 [ 48.256662][ T422] ? device_add_attrs+0x380/0x380 [ 48.262145][ T422] ? device_create_file+0x112/0x1d0 [ 48.267439][ T422] device_add+0x806/0xbc0 [ 48.272525][ T422] __device_add_disk+0x767/0x1220 [ 48.278675][ T422] ? device_add_disk+0x40/0x40 [ 48.283724][ T422] ? vsprintf+0x40/0x40 [ 48.288007][ T422] device_add_disk+0x2a/0x40 [ 48.293413][ T422] loop_add+0x57e/0x750 [ 48.298722][ T422] loop_control_ioctl+0x448/0x620 [ 48.304351][ T422] ? loop_remove+0xb0/0xb0 [ 48.309004][ T422] ? futex_exit_release+0x1d0/0x1d0 [ 48.314154][ T422] ? selinux_file_ioctl+0x4df/0x970 [ 48.319178][ T422] ? loop_remove+0xb0/0xb0 [ 48.323437][ T422] do_vfs_ioctl+0x742/0x1720 [ 48.328016][ T422] ? ioctl_preallocate+0x250/0x250 [ 48.333026][ T422] ? check_preemption_disabled+0x153/0x320 [ 48.338767][ T422] ? __fget+0x407/0x490 [ 48.343079][ T422] ? fget_many+0x30/0x30 [ 48.347255][ T422] ? switch_fpu_return+0x1d4/0x410 [ 48.352709][ T422] ? fpu__clear+0x3c0/0x3c0 [ 48.357843][ T422] ? security_file_ioctl+0x84/0xb0 [ 48.363360][ T422] __x64_sys_ioctl+0xe3/0x120 [ 48.369219][ T422] do_syscall_64+0xd8/0x170 [ 48.373700][ T422] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 48.380016][ T422] RIP: 0033:0x7fe75f7cd859 [ 48.384480][ T422] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 48.405412][ T422] RSP: 002b:00007fe75f3500c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 48.414082][ T422] RAX: ffffffffffffffda RBX: 00007fe75f8ecf80 RCX: 00007fe75f7cd859 [ 48.422043][ T422] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 48.429844][ T422] RBP: 00007fe75f829ad0 R08: 0000000000000000 R09: 0000000000000000 [ 48.437910][ T422] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 48.446854][ T422] R13: 000000000000000b R14: 00007fe75f8ecf80 R15: 00007ffc68e82088 [ 48.456072][ T422] kobject_add_internal failed for queue (error: -2 parent: loop0) [ 48.464757][ T422] ------------[ cut here ]------------ [ 48.471108][ T422] WARNING: CPU: 0 PID: 422 at fs/sysfs/file.c:328 sysfs_create_files+0x325/0x470 [ 48.480815][ T422] Modules linked in: [ 48.484788][ T422] CPU: 0 PID: 422 Comm: syz-executor.0 Tainted: G W 5.4.290-syzkaller-05053-g41adfeb3d639 #0 [ 48.496285][ T422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 48.506514][ T422] RIP: 0010:sysfs_create_files+0x325/0x470 [ 48.512253][ T422] Code: c1 03 38 c1 0f 8c b7 fe ff ff 48 8d 7c 24 70 e8 d1 b0 d5 ff e9 a8 fe ff ff e8 77 10 a5 ff 31 db e9 ef 00 00 00 e8 6b 10 a5 ff <0f> 0b bb ea ff ff ff 4c 8b 74 24 08 eb 17 85 db 0f 84 cf 00 00 00 [ 48.532622][ T422] RSP: 0018:ffff8881eac67920 EFLAGS: 00010293 [ 48.538741][ T422] RAX: ffffffff81c08b98 RBX: ffff8881eb3b50a0 RCX: ffff8881ed8b8000 [ 48.546873][ T422] RDX: 0000000000000000 RSI: ffffffff86266a40 RDI: ffff8881eb3b5070 [ 48.555160][ T422] RBP: ffff8881eac679f0 R08: ffffffff845b0807 R09: ffffed103dddc7b2 [ 48.564227][ T422] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 48.572495][ T422] R13: ffffffff85198fc0 R14: dffffc0000000000 R15: ffff8881eb3b5070 [ 48.580986][ T422] FS: 00007fe75f3506c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 48.590936][ T422] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.597639][ T422] CR2: 00007ffc68e82298 CR3: 00000001ef09e000 CR4: 00000000003406b0 [ 48.605454][ T422] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.613388][ T422] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.621380][ T422] Call Trace: [ 48.624694][ T422] ? show_regs+0x51/0x60 [ 48.628849][ T422] ? __warn+0x168/0x250 [ 48.633030][ T422] ? sysfs_create_files+0x325/0x470 [ 48.638242][ T422] ? report_bug+0x3d7/0x520 [ 48.642573][ T422] ? sysfs_create_files+0x325/0x470 [ 48.647904][ T422] ? do_invalid_op+0x75/0x120 [ 48.652430][ T422] ? sysfs_create_files+0x325/0x470 [ 48.657468][ T422] ? invalid_op+0x1e/0x30 [ 48.661720][ T422] ? kobject_get+0xc7/0x120 [ 48.666027][ T422] ? sysfs_create_files+0x458/0x470 [ 48.671153][ T422] ? sysfs_create_files+0x325/0x470 [ 48.676195][ T422] ? sysfs_create_file_ns+0x2a0/0x2a0 [ 48.681701][ T422] ? __kasan_check_write+0x14/0x20 [ 48.687015][ T422] ? kobject_get+0xd1/0x120 [ 48.691633][ T422] __device_add_disk+0x949/0x1220 [ 48.696581][ T422] ? device_add_disk+0x40/0x40 [ 48.701620][ T422] ? vsprintf+0x40/0x40 [ 48.705843][ T422] device_add_disk+0x2a/0x40 [ 48.710504][ T422] loop_add+0x57e/0x750 [ 48.714718][ T422] loop_control_ioctl+0x448/0x620 [ 48.719775][ T422] ? loop_remove+0xb0/0xb0 [ 48.724224][ T422] ? futex_exit_release+0x1d0/0x1d0 [ 48.729416][ T422] ? selinux_file_ioctl+0x4df/0x970 [ 48.734539][ T422] ? loop_remove+0xb0/0xb0 [ 48.738781][ T422] do_vfs_ioctl+0x742/0x1720 [ 48.743227][ T422] ? ioctl_preallocate+0x250/0x250 [ 48.748399][ T422] ? check_preemption_disabled+0x153/0x320 [ 48.754249][ T422] ? __fget+0x407/0x490 [ 48.758622][ T422] ? fget_many+0x30/0x30 [ 48.762785][ T422] ? switch_fpu_return+0x1d4/0x410 [ 48.768040][ T422] ? fpu__clear+0x3c0/0x3c0 [ 48.772508][ T422] ? security_file_ioctl+0x84/0xb0 [ 48.777546][ T422] __x64_sys_ioctl+0xe3/0x120 [ 48.782557][ T422] do_syscall_64+0xd8/0x170 [ 48.787001][ T422] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 48.792740][ T422] RIP: 0033:0x7fe75f7cd859 [ 48.796957][ T422] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 48.816525][ T422] RSP: 002b:00007fe75f3500c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 48.824780][ T422] RAX: ffffffffffffffda RBX: 00007fe75f8ecf80 RCX: 00007fe75f7cd859 [ 48.832603][ T422] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 48.840483][ T422] RBP: 00007fe75f829ad0 R08: 0000000000000000 R09: 0000000000000000 [ 48.848568][ T422] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 48.856474][ T422] R13: 000000000000000b R14: 00007fe75f8ecf80 R15: 00007ffc68e82088 [ 48.864448][ T422] ---[ end trace 4764ab88eb339bc0 ]--- [ 48.871293][ T422] ------------[ cut here ]------------ [ 48.876622][ T422] kernfs: can not remove 'events', no directory [ 48.882759][ T422] WARNING: CPU: 0 PID: 422 at fs/kernfs/dir.c:1523 kernfs_remove_by_name_ns+0xbf/0x110 [ 48.892827][ T422] Modules linked in: [ 48.896809][ T422] CPU: 0 PID: 422 Comm: syz-executor.0 Tainted: G W 5.4.290-syzkaller-05053-g41adfeb3d639 #0 [ 48.908719][ T422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 48.918690][ T422] RIP: 0010:kernfs_remove_by_name_ns+0xbf/0x110 [ 48.924736][ T422] Code: ff 03 48 89 df e8 d1 ef ff ff 48 89 df e8 29 ae ff ff 31 db eb 27 e8 d0 70 a5 ff 48 c7 c7 80 9b 05 85 4c 89 fe e8 b1 7b 7b ff <0f> 0b bb fe ff ff ff eb 16 e8 b3 70 a5 ff bb fe ff ff ff 48 c7 c7 [ 48.944571][ T422] RSP: 0018:ffff8881eac678f8 EFLAGS: 00010246 [ 48.950747][ T422] RAX: b6b99ac73f331d00 RBX: 0000000000000000 RCX: ffff8881ed8b8000 [ 48.958549][ T422] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 48.966963][ T422] RBP: ffff8881eac67910 R08: ffffffff814e7988 R09: ffffed103edc5262 [ 48.974962][ T422] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 48.982752][ T422] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff85199080 [ 48.990570][ T422] FS: 00007fe75f3506c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 48.999677][ T422] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.006274][ T422] CR2: 00007ffc68e82298 CR3: 00000001ef09e000 CR4: 00000000003406b0 [ 49.014487][ T422] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.022919][ T422] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.030846][ T422] Call Trace: [ 49.034197][ T422] ? show_regs+0x51/0x60 [ 49.038343][ T422] ? __warn+0x168/0x250 [ 49.043060][ T422] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 49.048645][ T422] ? report_bug+0x3d7/0x520 [ 49.052945][ T422] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 49.058619][ T422] ? do_invalid_op+0x75/0x120 [ 49.064225][ T422] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 49.069953][ T422] ? invalid_op+0x1e/0x30 [ 49.074239][ T422] ? wake_up_klogd+0xb8/0xf0 [ 49.079072][ T422] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 49.084746][ T422] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 49.090430][ T422] sysfs_create_files+0x3de/0x470 [ 49.095350][ T422] ? sysfs_create_file_ns+0x2a0/0x2a0 [ 49.101258][ T422] ? __kasan_check_write+0x14/0x20 [ 49.106300][ T422] ? kobject_get+0xd1/0x120 [ 49.110809][ T422] __device_add_disk+0x949/0x1220 [ 49.115866][ T422] ? device_add_disk+0x40/0x40 [ 49.120465][ T422] ? vsprintf+0x40/0x40 [ 49.124480][ T422] device_add_disk+0x2a/0x40 [ 49.128983][ T422] loop_add+0x57e/0x750 [ 49.133002][ T422] loop_control_ioctl+0x448/0x620 [ 49.137829][ T422] ? loop_remove+0xb0/0xb0 [ 49.142092][ T422] ? futex_exit_release+0x1d0/0x1d0 [ 49.147128][ T422] ? selinux_file_ioctl+0x4df/0x970 [ 49.152170][ T422] ? loop_remove+0xb0/0xb0 [ 49.156457][ T422] do_vfs_ioctl+0x742/0x1720 [ 49.160840][ T422] ? ioctl_preallocate+0x250/0x250 [ 49.165961][ T422] ? check_preemption_disabled+0x153/0x320 [ 49.171732][ T422] ? __fget+0x407/0x490 [ 49.175714][ T422] ? fget_many+0x30/0x30 [ 49.179796][ T422] ? switch_fpu_return+0x1d4/0x410 [ 49.185001][ T422] ? fpu__clear+0x3c0/0x3c0 [ 49.189927][ T422] ? security_file_ioctl+0x84/0xb0 [ 49.195185][ T422] __x64_sys_ioctl+0xe3/0x120 [ 49.199976][ T422] do_syscall_64+0xd8/0x170 [ 49.204482][ T422] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 49.210653][ T422] RIP: 0033:0x7fe75f7cd859 [ 49.214984][ T422] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 49.234980][ T422] RSP: 002b:00007fe75f3500c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 49.243221][ T422] RAX: ffffffffffffffda RBX: 00007fe75f8ecf80 RCX: 00007fe75f7cd859 [ 49.251218][ T422] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 49.259129][ T422] RBP: 00007fe75f829ad0 R08: 0000000000000000 R09: 0000000000000000 [ 49.266946][ T422] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 49.274994][ T422] R13: 000000000000000b R14: 00007fe75f8ecf80 R15: 00007ffc68e82088 [ 49.283115][ T422] ---[ end trace 4764ab88eb339bc1 ]--- [ 49.290727][ T422] loop0: failed to create sysfs files for events [ 49.303296][ T428] ------------[ cut here ]------------ [ 49.308608][ T428] kernfs: can not remove 'events', no directory [ 49.314843][ T428] WARNING: CPU: 1 PID: 428 at fs/kernfs/dir.c:1523 kernfs_remove_by_name_ns+0xbf/0x110 [ 49.324387][ T428] Modules linked in: [ 49.328424][ T428] CPU: 1 PID: 428 Comm: syz-executor.0 Tainted: G W 5.4.290-syzkaller-05053-g41adfeb3d639 #0 [ 49.339878][ T428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 49.349905][ T428] RIP: 0010:kernfs_remove_by_name_ns+0xbf/0x110 [ 49.356689][ T428] Code: ff 03 48 89 df e8 d1 ef ff ff 48 89 df e8 29 ae ff ff 31 db eb 27 e8 d0 70 a5 ff 48 c7 c7 80 9b 05 85 4c 89 fe e8 b1 7b 7b ff <0f> 0b bb fe ff ff ff eb 16 e8 b3 70 a5 ff bb fe ff ff ff 48 c7 c7 [ 49.376424][ T428] RSP: 0018:ffff8881eac2fa18 EFLAGS: 00010246 [ 49.382379][ T428] RAX: 2ccf9ec073e4ab00 RBX: 0000000000000000 RCX: ffff8881f37e0000 [ 49.390573][ T428] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 49.398381][ T428] RBP: ffff8881eac2fa30 R08: ffffffff814e7988 R09: 0000000000000003 [ 49.406320][ T428] R10: ffffed103d585eac R11: dffffc0000000001 R12: 0000000000000000 [ 49.414850][ T428] R13: ffffffff86266a40 R14: 0000000000000000 R15: ffffffff85199080 [ 49.422664][ T428] FS: 00007fe75f3506c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 49.431600][ T428] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.438203][ T428] CR2: 00007fe75f30ed58 CR3: 00000001ef09e000 CR4: 00000000003406a0 [ 49.446033][ T428] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.453904][ T428] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.461724][ T428] Call Trace: [ 49.464972][ T428] ? show_regs+0x51/0x60 [ 49.469047][ T428] ? __warn+0x168/0x250 [ 49.473040][ T428] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 49.478517][ T428] ? report_bug+0x3d7/0x520 [ 49.482854][ T428] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 49.488468][ T428] ? do_invalid_op+0x75/0x120 [ 49.493005][ T428] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 49.498504][ T428] ? invalid_op+0x1e/0x30 [ 49.502825][ T428] ? wake_up_klogd+0xb8/0xf0 [ 49.507376][ T428] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 49.512825][ T428] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 49.518395][ T428] sysfs_remove_files+0xa5/0x100 [ 49.523593][ T428] del_gendisk+0x26e/0xc30 [ 49.527959][ T428] ? device_add_disk_no_queue_reg+0x30/0x30 [ 49.533684][ T428] ? radix_tree_delete_item+0x25e/0x360 [ 49.539248][ T428] loop_remove+0x46/0xb0 [ 49.543574][ T428] loop_control_ioctl+0x564/0x620 [ 49.548718][ T428] ? loop_remove+0xb0/0xb0 [ 49.553084][ T428] ? futex_exit_release+0x1d0/0x1d0 [ 49.558349][ T428] ? selinux_file_ioctl+0x4df/0x970 [ 49.563372][ T428] ? loop_remove+0xb0/0xb0 [ 49.567712][ T428] do_vfs_ioctl+0x742/0x1720 [ 49.572337][ T428] ? ioctl_preallocate+0x250/0x250 [ 49.577279][ T428] ? check_preemption_disabled+0x153/0x320 [ 49.583206][ T428] ? __fget+0x407/0x490 [ 49.587153][ T428] ? fget_many+0x30/0x30 [ 49.591524][ T428] ? switch_fpu_return+0x1d4/0x410 [ 49.596575][ T428] ? fpu__clear+0x3c0/0x3c0 [ 49.600912][ T428] ? security_file_ioctl+0x84/0xb0 [ 49.605955][ T428] __x64_sys_ioctl+0xe3/0x120 [ 49.610470][ T428] do_syscall_64+0xd8/0x170 [ 49.614852][ T428] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 49.620799][ T428] RIP: 0033:0x7fe75f7cd859 [ 49.625050][ T428] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 49.645443][ T428] RSP: 002b:00007fe75f3500c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 49.653941][ T428] RAX: ffffffffffffffda RBX: 00007fe75f8ecf80 RCX: 00007fe75f7cd859 [ 49.662102][ T428] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 49.670346][ T428] RBP: 00007fe75f829ad0 R08: 0000000000000000 R09: 0000000000000000 [ 49.678358][ T428] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 49.686145][ T428] R13: 000000000000000b R14: 00007fe75f8ecf80 R15: 00007ffc68e82088 [ 49.694191][ T428] ---[ end trace 4764ab88eb339bc2 ]--- [ 49.700421][ T428] ------------[ cut here ]------------ [ 49.706545][ T428] kernfs: can not remove 'events_async', no directory [ 49.713677][ T428] WARNING: CPU: 1 PID: 428 at fs/kernfs/dir.c:1523 kernfs_remove_by_name_ns+0xbf/0x110 [ 49.723252][ T428] Modules linked in: [ 49.726991][ T428] CPU: 1 PID: 428 Comm: syz-executor.0 Tainted: G W 5.4.290-syzkaller-05053-g41adfeb3d639 #0 [ 49.738386][ T428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 49.748538][ T428] RIP: 0010:kernfs_remove_by_name_ns+0xbf/0x110 [ 49.755126][ T428] Code: ff 03 48 89 df e8 d1 ef ff ff 48 89 df e8 29 ae ff ff 31 db eb 27 e8 d0 70 a5 ff 48 c7 c7 80 9b 05 85 4c 89 fe e8 b1 7b 7b ff <0f> 0b bb fe ff ff ff eb 16 e8 b3 70 a5 ff bb fe ff ff ff 48 c7 c7 [ 49.777068][ T428] RSP: 0018:ffff8881eac2fa18 EFLAGS: 00010246 [ 49.783597][ T428] RAX: 2ccf9ec073e4ab00 RBX: 0000000000000000 RCX: ffff8881f37e0000 [ 49.792269][ T428] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 49.801045][ T428] RBP: ffff8881eac2fa30 R08: ffffffff814e7988 R09: 0000000000000003 [ 49.809053][ T428] R10: ffffed103d585eac R11: dffffc0000000001 R12: 0000000000000000 [ 49.817530][ T428] R13: ffffffff86266a40 R14: 0000000000000000 R15: ffffffff85199120 [ 49.825906][ T428] FS: 00007fe75f3506c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 49.834786][ T428] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.841184][ T428] CR2: 00007fe75f30ed58 CR3: 00000001ef09e000 CR4: 00000000003406a0 [ 49.849164][ T428] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.857061][ T428] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.864953][ T428] Call Trace: [ 49.868295][ T428] ? show_regs+0x51/0x60 [ 49.872462][ T428] ? __warn+0x168/0x250 [ 49.876556][ T428] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 49.882742][ T428] ? report_bug+0x3d7/0x520 [ 49.887093][ T428] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 49.892701][ T428] ? do_invalid_op+0x75/0x120 [ 49.897403][ T428] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 49.902873][ T428] ? invalid_op+0x1e/0x30 [ 49.907039][ T428] ? wake_up_klogd+0xb8/0xf0 [ 49.911629][ T428] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 49.917324][ T428] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 49.922788][ T428] sysfs_remove_files+0xa5/0x100 [ 49.927560][ T428] del_gendisk+0x26e/0xc30 [ 49.931813][ T428] ? device_add_disk_no_queue_reg+0x30/0x30 [ 49.937901][ T428] ? radix_tree_delete_item+0x25e/0x360 [ 49.943572][ T428] loop_remove+0x46/0xb0 [ 49.947849][ T428] loop_control_ioctl+0x564/0x620 [ 49.952767][ T428] ? loop_remove+0xb0/0xb0 [ 49.957057][ T428] ? futex_exit_release+0x1d0/0x1d0 [ 49.962503][ T428] ? selinux_file_ioctl+0x4df/0x970 [ 49.967928][ T428] ? loop_remove+0xb0/0xb0 [ 49.972170][ T428] do_vfs_ioctl+0x742/0x1720 [ 49.976724][ T428] ? ioctl_preallocate+0x250/0x250 [ 49.981663][ T428] ? check_preemption_disabled+0x153/0x320 [ 49.987306][ T428] ? __fget+0x407/0x490 [ 49.991339][ T428] ? fget_many+0x30/0x30 [ 49.995393][ T428] ? switch_fpu_return+0x1d4/0x410 [ 50.000368][ T428] ? fpu__clear+0x3c0/0x3c0 [ 50.004667][ T428] ? security_file_ioctl+0x84/0xb0 [ 50.009645][ T428] __x64_sys_ioctl+0xe3/0x120 [ 50.014212][ T428] do_syscall_64+0xd8/0x170 [ 50.019372][ T428] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 50.025265][ T428] RIP: 0033:0x7fe75f7cd859 [ 50.029550][ T428] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 50.049591][ T428] RSP: 002b:00007fe75f3500c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 50.058244][ T428] RAX: ffffffffffffffda RBX: 00007fe75f8ecf80 RCX: 00007fe75f7cd859 [ 50.066051][ T428] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 50.073865][ T428] RBP: 00007fe75f829ad0 R08: 0000000000000000 R09: 0000000000000000 [ 50.081675][ T428] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 50.089823][ T428] R13: 000000000000000b R14: 00007fe75f8ecf80 R15: 00007ffc68e82088 [ 50.098013][ T428] ---[ end trace 4764ab88eb339bc3 ]--- [ 50.104720][ T428] ------------[ cut here ]------------ [ 50.110285][ T428] kernfs: can not remove 'events_poll_msecs', no directory [ 50.117578][ T428] WARNING: CPU: 1 PID: 428 at fs/kernfs/dir.c:1523 kernfs_remove_by_name_ns+0xbf/0x110 [ 50.127110][ T428] Modules linked in: [ 50.130906][ T428] CPU: 1 PID: 428 Comm: syz-executor.0 Tainted: G W 5.4.290-syzkaller-05053-g41adfeb3d639 #0 [ 50.142127][ T428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 50.152117][ T428] RIP: 0010:kernfs_remove_by_name_ns+0xbf/0x110 [ 50.158485][ T428] Code: ff 03 48 89 df e8 d1 ef ff ff 48 89 df e8 29 ae ff ff 31 db eb 27 e8 d0 70 a5 ff 48 c7 c7 80 9b 05 85 4c 89 fe e8 b1 7b 7b ff <0f> 0b bb fe ff ff ff eb 16 e8 b3 70 a5 ff bb fe ff ff ff 48 c7 c7 [ 50.177938][ T428] RSP: 0018:ffff8881eac2fa18 EFLAGS: 00010246 [ 50.184280][ T428] RAX: 2ccf9ec073e4ab00 RBX: 0000000000000000 RCX: ffff8881f37e0000 [ 50.192739][ T428] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 50.200642][ T428] RBP: ffff8881eac2fa30 R08: ffffffff814e7988 R09: 0000000000000003 [ 50.208590][ T428] R10: ffffed103d585eac R11: dffffc0000000001 R12: 0000000000000000 [ 50.216873][ T428] R13: ffffffff86266a40 R14: 0000000000000000 R15: ffffffff85199140 [ 50.224949][ T428] FS: 00007fe75f3506c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 50.233951][ T428] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.240725][ T428] CR2: 00007fe75f30ed58 CR3: 00000001ef09e000 CR4: 00000000003406a0 [ 50.248655][ T428] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.256435][ T428] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.264234][ T428] Call Trace: [ 50.267382][ T428] ? show_regs+0x51/0x60 [ 50.271622][ T428] ? __warn+0x168/0x250 [ 50.275872][ T428] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 50.281349][ T428] ? report_bug+0x3d7/0x520 [ 50.285672][ T428] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 50.291335][ T428] ? do_invalid_op+0x75/0x120 [ 50.295831][ T428] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 50.301402][ T428] ? invalid_op+0x1e/0x30 [ 50.306007][ T428] ? wake_up_klogd+0xb8/0xf0 [ 50.310490][ T428] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 50.316291][ T428] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 50.321930][ T428] sysfs_remove_files+0xa5/0x100 [ 50.327353][ T428] del_gendisk+0x26e/0xc30 [ 50.331653][ T428] ? device_add_disk_no_queue_reg+0x30/0x30 [ 50.337635][ T428] ? radix_tree_delete_item+0x25e/0x360 [ 50.343117][ T428] loop_remove+0x46/0xb0 [ 50.347666][ T428] loop_control_ioctl+0x564/0x620 [ 50.352665][ T428] ? loop_remove+0xb0/0xb0 [ 50.357258][ T428] ? futex_exit_release+0x1d0/0x1d0 [ 50.362401][ T428] ? selinux_file_ioctl+0x4df/0x970 [ 50.368121][ T428] ? loop_remove+0xb0/0xb0 [ 50.372528][ T428] do_vfs_ioctl+0x742/0x1720 [ 50.378052][ T428] ? ioctl_preallocate+0x250/0x250 [ 50.383253][ T428] ? check_preemption_disabled+0x153/0x320 [ 50.388991][ T428] ? __fget+0x407/0x490 [ 50.393116][ T428] ? fget_many+0x30/0x30 [ 50.397335][ T428] ? switch_fpu_return+0x1d4/0x410 [ 50.402435][ T428] ? fpu__clear+0x3c0/0x3c0 [ 50.407212][ T428] ? security_file_ioctl+0x84/0xb0 [ 50.412482][ T428] __x64_sys_ioctl+0xe3/0x120 [ 50.417268][ T428] do_syscall_64+0xd8/0x170 [ 50.421710][ T428] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 50.428460][ T428] RIP: 0033:0x7fe75f7cd859 [ 50.433090][ T428] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 50.453285][ T428] RSP: 002b:00007fe75f3500c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 50.463098][ T428] RAX: ffffffffffffffda RBX: 00007fe75f8ecf80 RCX: 00007fe75f7cd859 [ 50.471357][ T428] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 50.479184][ T428] RBP: 00007fe75f829ad0 R08: 0000000000000000 R09: 0000000000000000 [ 50.486935][ T428] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 50.494899][ T428] R13: 000000000000000b R14: 00007fe75f8ecf80 R15: 00007ffc68e82088 [ 50.502959][ T428] ---[ end trace 4764ab88eb339bc4 ]--- [ 50.509714][ T428] ------------[ cut here ]------------ [ 50.515328][ T428] kernfs: can not remove 'bdi', no directory [ 50.521160][ T428] WARNING: CPU: 1 PID: 428 at fs/kernfs/dir.c:1523 kernfs_remove_by_name_ns+0xbf/0x110 [ 50.530656][ T428] Modules linked in: [ 50.534480][ T428] CPU: 1 PID: 428 Comm: syz-executor.0 Tainted: G W 5.4.290-syzkaller-05053-g41adfeb3d639 #0 [ 50.545978][ T428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 50.555884][ T428] RIP: 0010:kernfs_remove_by_name_ns+0xbf/0x110 [ 50.561954][ T428] Code: ff 03 48 89 df e8 d1 ef ff ff 48 89 df e8 29 ae ff ff 31 db eb 27 e8 d0 70 a5 ff 48 c7 c7 80 9b 05 85 4c 89 fe e8 b1 7b 7b ff <0f> 0b bb fe ff ff ff eb 16 e8 b3 70 a5 ff bb fe ff ff ff 48 c7 c7 [ 50.581902][ T428] RSP: 0018:ffff8881eac2fa38 EFLAGS: 00010246 [ 50.587922][ T428] RAX: 2ccf9ec073e4ab00 RBX: 0000000000000000 RCX: ffff8881f37e0000 [ 50.595819][ T428] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 50.603656][ T428] RBP: ffff8881eac2fa50 R08: ffffffff814e7988 R09: ffffed103ede5262 [ 50.611442][ T428] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881eb3b5000 [ 50.619427][ T428] R13: ffff8881eb3b54e8 R14: 0000000000000000 R15: ffffffff85198be0 [ 50.627204][ T428] FS: 00007fe75f3506c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 50.636172][ T428] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.642742][ T428] CR2: 00007fe75f30ed58 CR3: 00000001ef09e000 CR4: 00000000003406a0 [ 50.650536][ T428] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.658543][ T428] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.666343][ T428] Call Trace: [ 50.669664][ T428] ? show_regs+0x51/0x60 [ 50.674149][ T428] ? __warn+0x168/0x250 [ 50.678397][ T428] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 50.684230][ T428] ? report_bug+0x3d7/0x520 [ 50.688876][ T428] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 50.694588][ T428] ? do_invalid_op+0x75/0x120 [ 50.700474][ T428] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 50.706278][ T428] ? invalid_op+0x1e/0x30 [ 50.710918][ T428] ? wake_up_klogd+0xb8/0xf0 [ 50.715592][ T428] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 50.721135][ T428] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 50.726627][ T428] sysfs_remove_link+0x50/0x60 [ 50.731217][ T428] del_gendisk+0x5a1/0xc30 [ 50.736076][ T428] ? device_add_disk_no_queue_reg+0x30/0x30 [ 50.742013][ T428] ? radix_tree_delete_item+0x25e/0x360 [ 50.747861][ T428] loop_remove+0x46/0xb0 [ 50.752476][ T428] loop_control_ioctl+0x564/0x620 [ 50.758227][ T428] ? loop_remove+0xb0/0xb0 [ 50.762471][ T428] ? futex_exit_release+0x1d0/0x1d0 [ 50.767661][ T428] ? selinux_file_ioctl+0x4df/0x970 [ 50.772673][ T428] ? loop_remove+0xb0/0xb0 [ 50.776922][ T428] do_vfs_ioctl+0x742/0x1720 [ 50.781559][ T428] ? ioctl_preallocate+0x250/0x250 [ 50.786503][ T428] ? check_preemption_disabled+0x153/0x320 [ 50.792156][ T428] ? __fget+0x407/0x490 [ 50.796316][ T428] ? fget_many+0x30/0x30 [ 50.800522][ T428] ? switch_fpu_return+0x1d4/0x410 [ 50.805474][ T428] ? fpu__clear+0x3c0/0x3c0 [ 50.809925][ T428] ? security_file_ioctl+0x84/0xb0 [ 50.814974][ T428] __x64_sys_ioctl+0xe3/0x120 [ 50.819450][ T428] do_syscall_64+0xd8/0x170 [ 50.823792][ T428] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 50.829700][ T428] RIP: 0033:0x7fe75f7cd859 [ 50.834592][ T428] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 50.854803][ T428] RSP: 002b:00007fe75f3500c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 50.865896][ T428] RAX: ffffffffffffffda RBX: 00007fe75f8ecf80 RCX: 00007fe75f7cd859 [ 50.874790][ T428] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 50.882979][ T428] RBP: 00007fe75f829ad0 R08: 0000000000000000 R09: 0000000000000000 [ 50.892156][ T428] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 50.900651][ T428] R13: 000000000000000b R14: 00007fe75f8ecf80 R15: 00007ffc68e82088 [ 50.908492][ T428] ---[ end trace 4764ab88eb339bc5 ]--- [ 50.923153][ T428] kasan: CONFIG_KASAN_INLINE enabled [ 50.928286][ T428] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 50.937255][ T428] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 50.944295][ T428] CPU: 0 PID: 428 Comm: syz-executor.0 Tainted: G W 5.4.290-syzkaller-05053-g41adfeb3d639 #0 [ 50.956609][ T428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 50.966698][ T428] RIP: 0010:device_del+0xe7/0xfa0 [ 50.971630][ T428] Code: df e8 6d b5 fa 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 [ 50.991933][ T428] RSP: 0018:ffff8881eac2f9a0 EFLAGS: 00010202 [ 50.998308][ T428] RAX: dffffc0000000000 RBX: ffff8881eb3b50d8 RCX: 1ffff1103d676a1b [ 51.006900][ T428] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff8881eac2f920 [ 51.015534][ T428] RBP: ffff8881eac2fa70 R08: dffffc0000000000 R09: ffffed103d585f25 [ 51.024588][ T428] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000019 [ 51.033010][ T428] R13: ffff8881eb3b5070 R14: ffff8881eb3b5110 R15: 00000000000000c8 [ 51.041233][ T428] FS: 00007fe75f3506c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 51.051000][ T428] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.057896][ T428] CR2: 00007f282005b866 CR3: 00000001ef09e000 CR4: 00000000003406b0 [ 51.066750][ T428] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.075075][ T428] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.084340][ T428] Call Trace: [ 51.087741][ T428] ? __die+0xbc/0x100 [ 51.092007][ T428] ? die+0x2a/0x50 [ 51.096319][ T428] ? do_general_protection+0x266/0x3c0 [ 51.101869][ T428] ? do_trap+0x310/0x310 [ 51.106027][ T428] ? general_protection+0x28/0x30 [ 51.110994][ T428] ? device_del+0xe7/0xfa0 [ 51.115629][ T428] ? kill_device+0xd0/0xd0 [ 51.120131][ T428] ? mutex_unlock+0x1c/0x40 [ 51.124562][ T428] del_gendisk+0x9d9/0xc30 [ 51.128993][ T428] ? device_add_disk_no_queue_reg+0x30/0x30 [ 51.134884][ T428] ? radix_tree_delete_item+0x25e/0x360 [ 51.140720][ T428] loop_remove+0x46/0xb0 [ 51.144770][ T428] loop_control_ioctl+0x564/0x620 [ 51.149627][ T428] ? loop_remove+0xb0/0xb0 [ 51.153973][ T428] ? futex_exit_release+0x1d0/0x1d0 [ 51.159091][ T428] ? selinux_file_ioctl+0x4df/0x970 [ 51.164303][ T428] ? loop_remove+0xb0/0xb0 [ 51.168652][ T428] do_vfs_ioctl+0x742/0x1720 [ 51.173184][ T428] ? ioctl_preallocate+0x250/0x250 [ 51.178440][ T428] ? check_preemption_disabled+0x153/0x320 [ 51.184433][ T428] ? __fget+0x407/0x490 [ 51.188661][ T428] ? fget_many+0x30/0x30 [ 51.192818][ T428] ? switch_fpu_return+0x1d4/0x410 [ 51.198031][ T428] ? fpu__clear+0x3c0/0x3c0 [ 51.202350][ T428] ? security_file_ioctl+0x84/0xb0 [ 51.207304][ T428] __x64_sys_ioctl+0xe3/0x120 [ 51.211822][ T428] do_syscall_64+0xd8/0x170 [ 51.216184][ T428] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 51.221873][ T428] RIP: 0033:0x7fe75f7cd859 [ 51.226249][ T428] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 51.245862][ T428] RSP: 002b:00007fe75f3500c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 51.254285][ T428] RAX: ffffffffffffffda RBX: 00007fe75f8ecf80 RCX: 00007fe75f7cd859 [ 51.262347][ T428] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 51.270267][ T428] RBP: 00007fe75f829ad0 R08: 0000000000000000 R09: 0000000000000000 [ 51.278568][ T428] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 51.286763][ T428] R13: 000000000000000b R14: 00007fe75f8ecf80 R15: 00007ffc68e82088 [ 51.295124][ T428] Modules linked in: [ 51.299508][ T428] ---[ end trace 4764ab88eb339bc6 ]--- [ 51.304955][ T428] RIP: 0010:device_del+0xe7/0xfa0 [ 51.309759][ T428] Code: df e8 6d b5 fa 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 [ 51.329517][ T428] RSP: 0018:ffff8881eac2f9a0 EFLAGS: 00010202 [ 51.330500][ T23] audit: type=1400 audit(1744892711.670:95): avc: denied { remove_name } for pid=146 comm="syslogd" name="messages" dev="tmpfs" ino=9693 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 51.335379][ T428] RAX: dffffc0000000000 RBX: ffff8881eb3b50d8 RCX: 1ffff1103d676a1b [ 51.335395][ T428] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff8881eac2f920 [ 51.358460][ T23] audit: type=1400 audit(1744892711.670:96): avc: denied { rename } for pid=146 comm="syslogd" name="messages" dev="tmpfs" ino=9693 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 51.366523][ T428] RBP: ffff8881eac2fa70 R08: dffffc0000000000 R09: ffffed103d585f25 [ 51.366540][ T428] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000019 [ 51.413060][ T428] R13: ffff8881eb3b5070 R14: ffff8881eb3b5110 R15: 00000000000000c8 [ 51.420844][ T428] FS: 00007fe75f3506c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 51.429900][ T428] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.436540][ T428] CR2: 00007f282005b866 CR3: 00000001ef09e000 CR4: 00000000003406b0 [ 51.444413][ T428] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.452180][ T428] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.460007][ T428] Kernel panic - not syncing: Fatal exception [ 51.466373][ T428] Kernel Offset: disabled [ 51.470517][ T428] Rebooting in 86400 seconds..