Warning: Permanently added '10.128.0.244' (ED25519) to the list of known hosts. 2024/09/18 13:57:12 ignoring optional flag "sandboxArg"="0" 2024/09/18 13:57:12 parsed 1 programs 2024/09/18 13:57:12 executed programs: 0 [ 46.558077][ T413] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.565119][ T413] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.572779][ T413] device bridge_slave_0 entered promiscuous mode [ 46.579663][ T413] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.586659][ T413] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.595013][ T413] device bridge_slave_1 entered promiscuous mode [ 46.650612][ T413] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.657474][ T413] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.664884][ T413] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.671969][ T413] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.696868][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.704154][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.713083][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.720738][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.730410][ T369] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.739129][ T369] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.746147][ T369] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.768750][ T369] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.777245][ T369] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.784315][ T369] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.791962][ T369] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.800798][ T369] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.812844][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.825251][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.839486][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.853314][ T107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 46.867574][ T358] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 46.894336][ T23] kauditd_printk_skb: 15 callbacks suppressed [ 46.894349][ T23] audit: type=1400 audit(1726667833.210:91): avc: denied { read } for pid=418 comm="syz-executor.0" name="loop-control" dev="devtmpfs" ino=9193 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 46.925234][ T23] audit: type=1400 audit(1726667833.210:92): avc: denied { open } for pid=418 comm="syz-executor.0" path="/dev/loop-control" dev="devtmpfs" ino=9193 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 46.951286][ T23] audit: type=1400 audit(1726667833.210:93): avc: denied { ioctl } for pid=418 comm="syz-executor.0" path="/dev/loop-control" dev="devtmpfs" ino=9193 ioctlcmd=0x4c80 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 47.011764][ T423] sysfs: cannot create duplicate filename '/devices/virtual/bdi/7:0' [ 47.020375][ T423] CPU: 1 PID: 423 Comm: syz-executor.0 Not tainted 5.4.281-syzkaller-04960-g22ddc50dfded #0 [ 47.030235][ T423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 47.040885][ T423] Call Trace: [ 47.044016][ T423] dump_stack+0x1d8/0x241 [ 47.048352][ T423] ? panic+0x89d/0x89d [ 47.052848][ T423] ? nf_ct_l4proto_log_invalid+0x258/0x258 [ 47.058835][ T423] ? kmem_cache_alloc_trace+0xdc/0x260 [ 47.064747][ T423] ? sysfs_create_dir_ns+0x282/0x390 [ 47.071216][ T423] sysfs_create_dir_ns+0x2c6/0x390 [ 47.076586][ T423] ? sysfs_warn_dup+0xa0/0xa0 [ 47.081429][ T423] ? entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 47.087383][ T423] kobject_add_internal+0x6b7/0xca0 [ 47.093213][ T423] kobject_add+0x14e/0x210 [ 47.098026][ T423] ? _raw_spin_lock+0xa4/0x1b0 [ 47.103613][ T423] ? kobject_init+0x1d0/0x1d0 [ 47.108234][ T423] ? mutex_unlock+0x18/0x40 [ 47.112760][ T423] ? get_device_parent+0x293/0x400 [ 47.117906][ T423] device_add+0x3eb/0xbb0 [ 47.122439][ T423] device_create_vargs+0x1b9/0x210 [ 47.128362][ T423] device_create+0xea/0x130 [ 47.133939][ T423] ? device_create_vargs+0x210/0x210 [ 47.139299][ T423] ? memset+0x1f/0x40 [ 47.143216][ T423] ? number+0xd53/0x1000 [ 47.147496][ T423] bdi_register_va+0x84/0x610 [ 47.152232][ T423] bdi_register+0xd1/0x120 [ 47.156659][ T423] ? __device_add_disk+0x551/0x1220 [ 47.162225][ T423] ? bdi_register_va+0x610/0x610 [ 47.167911][ T423] ? vsnprintf+0x1b96/0x1c70 [ 47.173798][ T423] bdi_register_owner+0x55/0xf0 [ 47.178992][ T423] __device_add_disk+0x5d1/0x1220 [ 47.184646][ T423] ? device_add_disk+0x30/0x30 [ 47.189875][ T423] ? vsprintf+0x30/0x30 [ 47.194350][ T423] ? __alloc_disk_node+0x459/0x5a0 [ 47.199507][ T423] loop_add+0x573/0x740 [ 47.203669][ T423] loop_control_ioctl+0x448/0x620 [ 47.208907][ T423] ? loop_remove+0xa0/0xa0 [ 47.213309][ T423] ? loop_remove+0xa0/0xa0 [ 47.217559][ T423] do_vfs_ioctl+0x742/0x1720 [ 47.222888][ T423] ? ioctl_preallocate+0x250/0x250 [ 47.227948][ T423] ? __fget+0x407/0x490 [ 47.232041][ T423] ? fget_many+0x20/0x20 [ 47.236225][ T423] ? switch_fpu_return+0x1d4/0x410 [ 47.241596][ T423] ? security_file_ioctl+0x7d/0xa0 [ 47.246890][ T423] __x64_sys_ioctl+0xd4/0x110 [ 47.251692][ T423] do_syscall_64+0xca/0x1c0 [ 47.256602][ T423] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 47.262537][ T423] RIP: 0033:0x7f659e7b8859 [ 47.266867][ T423] 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 [ 47.286777][ T423] RSP: 002b:00007f659e33b0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.295107][ T423] RAX: ffffffffffffffda RBX: 00007f659e8d7f80 RCX: 00007f659e7b8859 [ 47.302922][ T423] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 47.310818][ T423] RBP: 00007f659e814ad0 R08: 0000000000000000 R09: 0000000000000000 [ 47.318888][ T423] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 47.326874][ T423] R13: 000000000000000b R14: 00007f659e8d7f80 R15: 00007ffdb7b566c8 [ 47.336675][ T423] kobject_add_internal failed for 7:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 47.350420][ T423] ------------[ cut here ]------------ [ 47.355806][ T423] WARNING: CPU: 1 PID: 423 at block/genhd.c:742 __device_add_disk+0xea1/0x1220 [ 47.366471][ T423] Modules linked in: [ 47.370922][ T423] CPU: 1 PID: 423 Comm: syz-executor.0 Not tainted 5.4.281-syzkaller-04960-g22ddc50dfded #0 [ 47.380900][ T423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 47.390961][ T423] RIP: 0010:__device_add_disk+0xea1/0x1220 [ 47.396697][ T423] Code: ff ff e8 42 e3 3e ff 0f 0b e9 52 f3 ff ff e8 36 e3 3e ff 0f 0b 42 80 3c 2b 00 0f 85 ac f8 ff ff e9 af f8 ff ff e8 1f e3 3e ff <0f> 0b e9 41 f7 ff ff e8 13 e3 3e ff e9 18 ff ff ff 44 89 f9 80 e1 [ 47.416667][ T423] RSP: 0018:ffff8881ef1cfa20 EFLAGS: 00010293 [ 47.422921][ T423] RAX: ffffffff822555c1 RBX: 00000000ffffffef RCX: ffff8881f0d33f00 [ 47.431155][ T423] RDX: 0000000000000000 RSI: 00000000ffffffef RDI: 0000000000000000 [ 47.438973][ T423] RBP: ffff8881ef1cfb58 R08: ffffffff82254cfc R09: 0000000000000003 [ 47.447382][ T423] R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff8881ef6d3000 [ 47.455387][ T423] R13: dffffc0000000000 R14: ffff8881ef6d3070 R15: 1ffff1103deda69d [ 47.463461][ T423] FS: 00007f659e33b6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 47.472396][ T423] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.479041][ T423] CR2: 00007ffdb7b568d8 CR3: 00000001d9c1e000 CR4: 00000000003406a0 [ 47.487121][ T423] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.495263][ T423] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.503618][ T423] Call Trace: [ 47.506821][ T423] ? __warn+0x162/0x250 [ 47.510999][ T423] ? report_bug+0x3a1/0x4e0 [ 47.515772][ T423] ? __device_add_disk+0xea1/0x1220 [ 47.520804][ T423] ? __device_add_disk+0xea1/0x1220 [ 47.526029][ T423] ? do_invalid_op+0x6e/0x110 [ 47.530606][ T423] ? invalid_op+0x1e/0x30 [ 47.534724][ T423] ? __device_add_disk+0x5dc/0x1220 [ 47.539735][ T423] ? __device_add_disk+0xea1/0x1220 [ 47.544777][ T423] ? __device_add_disk+0xea1/0x1220 [ 47.550072][ T423] ? device_add_disk+0x30/0x30 [ 47.554662][ T423] ? vsprintf+0x30/0x30 [ 47.558668][ T423] ? __alloc_disk_node+0x459/0x5a0 [ 47.563859][ T423] loop_add+0x573/0x740 [ 47.567943][ T423] loop_control_ioctl+0x448/0x620 [ 47.572802][ T423] ? loop_remove+0xa0/0xa0 [ 47.577056][ T423] ? loop_remove+0xa0/0xa0 [ 47.581319][ T423] do_vfs_ioctl+0x742/0x1720 [ 47.585736][ T423] ? ioctl_preallocate+0x250/0x250 [ 47.590697][ T423] ? __fget+0x407/0x490 [ 47.594676][ T423] ? fget_many+0x20/0x20 [ 47.598873][ T423] ? switch_fpu_return+0x1d4/0x410 [ 47.603794][ T423] ? security_file_ioctl+0x7d/0xa0 [ 47.608827][ T423] __x64_sys_ioctl+0xd4/0x110 [ 47.613844][ T423] do_syscall_64+0xca/0x1c0 [ 47.618248][ T423] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 47.623987][ T423] RIP: 0033:0x7f659e7b8859 [ 47.628226][ T423] 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 [ 47.647664][ T423] RSP: 002b:00007f659e33b0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.656111][ T423] RAX: ffffffffffffffda RBX: 00007f659e8d7f80 RCX: 00007f659e7b8859 [ 47.664057][ T423] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 47.671833][ T423] RBP: 00007f659e814ad0 R08: 0000000000000000 R09: 0000000000000000 [ 47.679927][ T423] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 47.687998][ T423] R13: 000000000000000b R14: 00007f659e8d7f80 R15: 00007ffdb7b566c8 [ 47.696334][ T423] ---[ end trace 524fc62d8577c090 ]--- [ 47.703375][ T423] sysfs: cannot create duplicate filename '/dev/block/7:0' [ 47.710436][ T423] CPU: 1 PID: 423 Comm: syz-executor.0 Tainted: G W 5.4.281-syzkaller-04960-g22ddc50dfded #0 [ 47.722012][ T423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 47.732339][ T423] Call Trace: [ 47.735489][ T423] dump_stack+0x1d8/0x241 [ 47.739913][ T423] ? panic+0x89d/0x89d [ 47.743908][ T423] ? nf_ct_l4proto_log_invalid+0x258/0x258 [ 47.749807][ T423] ? kmem_cache_alloc_trace+0xdc/0x260 [ 47.755271][ T423] ? sysfs_warn_dup+0x4d/0xa0 [ 47.759786][ T423] sysfs_warn_dup+0x8a/0xa0 [ 47.764126][ T423] sysfs_do_create_link_sd+0xbe/0x100 [ 47.769514][ T423] device_create_sys_dev_entry+0x117/0x170 [ 47.775157][ T423] ? device_add_attrs+0x370/0x370 [ 47.780015][ T423] ? device_create_file+0xea/0x1b0 [ 47.785186][ T423] device_add+0x80b/0xbb0 [ 47.789362][ T423] __device_add_disk+0x767/0x1220 [ 47.794355][ T423] ? device_add_disk+0x30/0x30 [ 47.798923][ T423] ? __alloc_disk_node+0x459/0x5a0 [ 47.804069][ T423] loop_add+0x573/0x740 [ 47.808051][ T423] loop_control_ioctl+0x448/0x620 [ 47.812904][ T423] ? loop_remove+0xa0/0xa0 [ 47.817428][ T423] ? loop_remove+0xa0/0xa0 [ 47.821866][ T423] do_vfs_ioctl+0x742/0x1720 [ 47.826527][ T423] ? ioctl_preallocate+0x250/0x250 [ 47.831659][ T423] ? __fget+0x407/0x490 [ 47.835712][ T423] ? fget_many+0x20/0x20 [ 47.839795][ T423] ? switch_fpu_return+0x1d4/0x410 [ 47.844824][ T423] ? security_file_ioctl+0x7d/0xa0 [ 47.849768][ T423] __x64_sys_ioctl+0xd4/0x110 [ 47.854530][ T423] do_syscall_64+0xca/0x1c0 [ 47.858902][ T423] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 47.864722][ T423] RIP: 0033:0x7f659e7b8859 [ 47.868957][ T423] 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 [ 47.888909][ T423] RSP: 002b:00007f659e33b0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.897502][ T423] RAX: ffffffffffffffda RBX: 00007f659e8d7f80 RCX: 00007f659e7b8859 [ 47.905410][ T423] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 47.913344][ T423] RBP: 00007f659e814ad0 R08: 0000000000000000 R09: 0000000000000000 [ 47.921287][ T423] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 47.929181][ T423] R13: 000000000000000b R14: 00007f659e8d7f80 R15: 00007ffdb7b566c8 [ 47.940020][ T423] kobject_add_internal failed for queue (error: -2 parent: loop0) [ 47.947732][ T423] ------------[ cut here ]------------ [ 47.952953][ T423] WARNING: CPU: 1 PID: 423 at fs/sysfs/file.c:328 sysfs_create_files+0x325/0x470 [ 47.962031][ T423] Modules linked in: [ 47.965795][ T423] CPU: 1 PID: 423 Comm: syz-executor.0 Tainted: G W 5.4.281-syzkaller-04960-g22ddc50dfded #0 [ 47.977464][ T423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 47.987450][ T423] RIP: 0010:sysfs_create_files+0x325/0x470 [ 47.993250][ T423] Code: c1 03 38 c1 0f 8c b7 fe ff ff 48 8d 7c 24 70 e8 d1 05 d6 ff e9 a8 fe ff ff e8 17 1f a6 ff 31 db e9 ef 00 00 00 e8 0b 1f a6 ff <0f> 0b bb ea ff ff ff 4c 8b 74 24 08 eb 17 85 db 0f 84 cf 00 00 00 [ 48.013918][ T423] RSP: 0018:ffff8881ef1cf940 EFLAGS: 00010293 [ 48.020064][ T423] RAX: ffffffff81be1b08 RBX: ffff8881ef6d30a0 RCX: ffff8881f0d33f00 [ 48.028143][ T423] RDX: 0000000000000000 RSI: ffffffff85a66120 RDI: ffff8881ef6d3070 [ 48.036059][ T423] RBP: ffff8881ef1cfa10 R08: ffffffff844ae980 R09: ffffed103dd839de [ 48.044167][ T423] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 48.052204][ T423] R13: ffffffff84f99dc0 R14: dffffc0000000000 R15: ffff8881ef6d3070 [ 48.060128][ T423] FS: 00007f659e33b6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 48.069189][ T423] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.076526][ T423] CR2: 00007ffdb7b568d8 CR3: 00000001d9c1e000 CR4: 00000000003406a0 [ 48.084418][ T423] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.092229][ T423] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.100470][ T423] Call Trace: [ 48.103679][ T423] ? __warn+0x162/0x250 [ 48.107694][ T423] ? report_bug+0x3a1/0x4e0 [ 48.112191][ T423] ? sysfs_create_files+0x325/0x470 [ 48.117232][ T423] ? sysfs_create_files+0x325/0x470 [ 48.122269][ T423] ? do_invalid_op+0x6e/0x110 [ 48.126774][ T423] ? invalid_op+0x1e/0x30 [ 48.130952][ T423] ? kobject_get+0xc0/0x110 [ 48.135463][ T423] ? sysfs_create_files+0x458/0x470 [ 48.140649][ T423] ? sysfs_create_files+0x325/0x470 [ 48.146003][ T423] ? sysfs_create_file_ns+0x2a0/0x2a0 [ 48.151512][ T423] ? kobject_get+0xc9/0x110 [ 48.155922][ T423] __device_add_disk+0x949/0x1220 [ 48.160861][ T423] ? device_add_disk+0x30/0x30 [ 48.165454][ T423] ? __alloc_disk_node+0x459/0x5a0 [ 48.170608][ T423] loop_add+0x573/0x740 [ 48.174602][ T423] loop_control_ioctl+0x448/0x620 [ 48.179895][ T423] ? loop_remove+0xa0/0xa0 [ 48.184153][ T423] ? loop_remove+0xa0/0xa0 [ 48.188516][ T423] do_vfs_ioctl+0x742/0x1720 [ 48.193045][ T423] ? ioctl_preallocate+0x250/0x250 [ 48.198061][ T423] ? __fget+0x407/0x490 [ 48.202131][ T423] ? fget_many+0x20/0x20 [ 48.206532][ T423] ? switch_fpu_return+0x1d4/0x410 [ 48.211474][ T423] ? security_file_ioctl+0x7d/0xa0 [ 48.216437][ T423] __x64_sys_ioctl+0xd4/0x110 [ 48.221126][ T423] do_syscall_64+0xca/0x1c0 [ 48.225477][ T423] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 48.231382][ T423] RIP: 0033:0x7f659e7b8859 [ 48.236059][ T423] 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 [ 48.256597][ T423] RSP: 002b:00007f659e33b0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 48.265347][ T423] RAX: ffffffffffffffda RBX: 00007f659e8d7f80 RCX: 00007f659e7b8859 [ 48.273330][ T423] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 48.281139][ T423] RBP: 00007f659e814ad0 R08: 0000000000000000 R09: 0000000000000000 [ 48.288948][ T423] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 48.297018][ T423] R13: 000000000000000b R14: 00007f659e8d7f80 R15: 00007ffdb7b566c8 [ 48.305052][ T423] ---[ end trace 524fc62d8577c091 ]--- [ 48.311818][ T423] ------------[ cut here ]------------ [ 48.317347][ T423] kernfs: can not remove 'events', no directory [ 48.324013][ T423] WARNING: CPU: 1 PID: 423 at fs/kernfs/dir.c:1523 kernfs_remove_by_name_ns+0xb1/0x100 [ 48.333707][ T423] Modules linked in: [ 48.337554][ T423] CPU: 1 PID: 423 Comm: syz-executor.0 Tainted: G W 5.4.281-syzkaller-04960-g22ddc50dfded #0 [ 48.349058][ T423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 48.359226][ T423] RIP: 0010:kernfs_remove_by_name_ns+0xb1/0x100 [ 48.365273][ T423] Code: ff 03 48 89 df e8 ff ef ff ff 48 89 df e8 87 af ff ff 31 db eb 27 e8 ae 7c a6 ff 48 c7 c7 80 ac e5 84 4c 89 fe e8 1f 2e 7d ff <0f> 0b bb fe ff ff ff eb 16 e8 91 7c a6 ff bb fe ff ff ff 48 c7 c7 [ 48.384717][ T423] RSP: 0018:ffff8881ef1cf918 EFLAGS: 00010246 [ 48.390801][ T423] RAX: 81ae93cd1016c000 RBX: 0000000000000000 RCX: ffff8881f0d33f00 [ 48.398799][ T423] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 48.406761][ T423] RBP: ffff8881ef1cfa10 R08: ffffffff814d5952 R09: ffffed103edea9b8 [ 48.414930][ T423] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 48.422734][ T423] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff84f99e80 [ 48.430787][ T423] FS: 00007f659e33b6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 48.439723][ T423] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.446323][ T423] CR2: 00007ffdb7b568d8 CR3: 00000001d9c1e000 CR4: 00000000003406a0 [ 48.454091][ T423] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.462105][ T423] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.470344][ T423] Call Trace: [ 48.473496][ T423] ? __warn+0x162/0x250 [ 48.477470][ T423] ? report_bug+0x3a1/0x4e0 [ 48.481979][ T423] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 48.487562][ T423] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 48.493386][ T423] ? do_invalid_op+0x6e/0x110 [ 48.498070][ T423] ? invalid_op+0x1e/0x30 [ 48.502223][ T423] ? wake_up_klogd+0xb2/0xf0 [ 48.506641][ T423] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 48.512106][ T423] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 48.517864][ T423] sysfs_create_files+0x3de/0x470 [ 48.522720][ T423] ? sysfs_create_file_ns+0x2a0/0x2a0 [ 48.528017][ T423] ? kobject_get+0xc9/0x110 [ 48.532434][ T423] __device_add_disk+0x949/0x1220 [ 48.537288][ T423] ? device_add_disk+0x30/0x30 [ 48.541894][ T423] ? __alloc_disk_node+0x459/0x5a0 [ 48.547181][ T423] loop_add+0x573/0x740 [ 48.551488][ T423] loop_control_ioctl+0x448/0x620 [ 48.556302][ T423] ? loop_remove+0xa0/0xa0 [ 48.560558][ T423] ? loop_remove+0xa0/0xa0 [ 48.564837][ T423] do_vfs_ioctl+0x742/0x1720 [ 48.569326][ T423] ? ioctl_preallocate+0x250/0x250 [ 48.574317][ T423] ? __fget+0x407/0x490 [ 48.578347][ T423] ? fget_many+0x20/0x20 [ 48.582442][ T423] ? switch_fpu_return+0x1d4/0x410 [ 48.587540][ T423] ? security_file_ioctl+0x7d/0xa0 [ 48.592673][ T423] __x64_sys_ioctl+0xd4/0x110 [ 48.597191][ T423] do_syscall_64+0xca/0x1c0 [ 48.601698][ T423] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 48.607700][ T423] RIP: 0033:0x7f659e7b8859 [ 48.612023][ T423] 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 [ 48.631950][ T423] RSP: 002b:00007f659e33b0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 48.640710][ T423] RAX: ffffffffffffffda RBX: 00007f659e8d7f80 RCX: 00007f659e7b8859 [ 48.648770][ T423] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 48.656576][ T423] RBP: 00007f659e814ad0 R08: 0000000000000000 R09: 0000000000000000 [ 48.665058][ T423] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 48.673528][ T423] R13: 000000000000000b R14: 00007f659e8d7f80 R15: 00007ffdb7b566c8 [ 48.681585][ T423] ---[ end trace 524fc62d8577c092 ]--- [ 48.689968][ T423] loop0: failed to create sysfs files for events [ 48.703893][ T429] ------------[ cut here ]------------ [ 48.709235][ T429] kernfs: can not remove 'events', no directory [ 48.715325][ T429] WARNING: CPU: 1 PID: 429 at fs/kernfs/dir.c:1523 kernfs_remove_by_name_ns+0xb1/0x100 [ 48.724869][ T429] Modules linked in: [ 48.728794][ T429] CPU: 1 PID: 429 Comm: syz-executor.0 Tainted: G W 5.4.281-syzkaller-04960-g22ddc50dfded #0 [ 48.740506][ T429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 48.750536][ T429] RIP: 0010:kernfs_remove_by_name_ns+0xb1/0x100 [ 48.756588][ T429] Code: ff 03 48 89 df e8 ff ef ff ff 48 89 df e8 87 af ff ff 31 db eb 27 e8 ae 7c a6 ff 48 c7 c7 80 ac e5 84 4c 89 fe e8 1f 2e 7d ff <0f> 0b bb fe ff ff ff eb 16 e8 91 7c a6 ff bb fe ff ff ff 48 c7 c7 [ 48.776934][ T429] RSP: 0018:ffff8881ef1c7a38 EFLAGS: 00010246 [ 48.783090][ T429] RAX: e872017763931100 RBX: 0000000000000000 RCX: ffff8881f30e4ec0 [ 48.790985][ T429] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 48.799071][ T429] RBP: ffffffff85a66120 R08: ffffffff814d5952 R09: ffffed103ede5262 [ 48.806983][ T429] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 48.814786][ T429] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff84f99e80 [ 48.822887][ T429] FS: 00007f659e33b6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 48.831831][ T429] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.838320][ T429] CR2: 00007ffdb7b568d8 CR3: 00000001efacd000 CR4: 00000000003406a0 [ 48.846471][ T429] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.854289][ T429] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.862623][ T429] Call Trace: [ 48.865847][ T429] ? __warn+0x162/0x250 [ 48.869842][ T429] ? report_bug+0x3a1/0x4e0 [ 48.874299][ T429] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 48.879735][ T429] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 48.885334][ T429] ? do_invalid_op+0x6e/0x110 [ 48.889798][ T429] ? invalid_op+0x1e/0x30 [ 48.894075][ T429] ? wake_up_klogd+0xb2/0xf0 [ 48.898494][ T429] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 48.904243][ T429] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 48.909697][ T429] sysfs_remove_files+0x91/0xe0 [ 48.914625][ T429] del_gendisk+0x26e/0xc30 [ 48.918906][ T429] ? avc_flush+0x1f0/0x1f0 [ 48.923228][ T429] ? device_add_disk_no_queue_reg+0x20/0x20 [ 48.929046][ T429] ? delete_node+0x706/0x780 [ 48.933455][ T429] loop_remove+0x42/0xa0 [ 48.937532][ T429] loop_control_ioctl+0x564/0x620 [ 48.942855][ T429] ? loop_remove+0xa0/0xa0 [ 48.947240][ T429] ? loop_remove+0xa0/0xa0 [ 48.951757][ T429] do_vfs_ioctl+0x742/0x1720 [ 48.956569][ T429] ? ioctl_preallocate+0x250/0x250 [ 48.961727][ T429] ? __fget+0x407/0x490 [ 48.965961][ T429] ? fget_many+0x20/0x20 [ 48.970208][ T429] ? switch_fpu_return+0x1d4/0x410 [ 48.975451][ T429] ? security_file_ioctl+0x7d/0xa0 [ 48.980373][ T429] __x64_sys_ioctl+0xd4/0x110 [ 48.985070][ T429] do_syscall_64+0xca/0x1c0 [ 48.989577][ T429] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 48.995680][ T429] RIP: 0033:0x7f659e7b8859 [ 49.000245][ T429] 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 [ 49.020312][ T429] RSP: 002b:00007f659e33b0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 49.028742][ T429] RAX: ffffffffffffffda RBX: 00007f659e8d7f80 RCX: 00007f659e7b8859 [ 49.036615][ T429] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 49.044528][ T429] RBP: 00007f659e814ad0 R08: 0000000000000000 R09: 0000000000000000 [ 49.052558][ T429] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 49.060442][ T429] R13: 000000000000000b R14: 00007f659e8d7f80 R15: 00007ffdb7b566c8 [ 49.068501][ T429] ---[ end trace 524fc62d8577c093 ]--- [ 49.075421][ T429] ------------[ cut here ]------------ [ 49.081239][ T429] kernfs: can not remove 'events_async', no directory [ 49.087910][ T429] WARNING: CPU: 1 PID: 429 at fs/kernfs/dir.c:1523 kernfs_remove_by_name_ns+0xb1/0x100 [ 49.097629][ T429] Modules linked in: [ 49.101444][ T429] CPU: 1 PID: 429 Comm: syz-executor.0 Tainted: G W 5.4.281-syzkaller-04960-g22ddc50dfded #0 [ 49.113058][ T429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 49.122975][ T429] RIP: 0010:kernfs_remove_by_name_ns+0xb1/0x100 [ 49.129282][ T429] Code: ff 03 48 89 df e8 ff ef ff ff 48 89 df e8 87 af ff ff 31 db eb 27 e8 ae 7c a6 ff 48 c7 c7 80 ac e5 84 4c 89 fe e8 1f 2e 7d ff <0f> 0b bb fe ff ff ff eb 16 e8 91 7c a6 ff bb fe ff ff ff 48 c7 c7 [ 49.149550][ T429] RSP: 0018:ffff8881ef1c7a38 EFLAGS: 00010246 [ 49.155465][ T429] RAX: e872017763931100 RBX: 0000000000000000 RCX: ffff8881f30e4ec0 [ 49.163272][ T429] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 49.171215][ T429] RBP: ffffffff85a66120 R08: ffffffff814d5952 R09: ffffed103ede5262 [ 49.179230][ T429] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 49.187272][ T429] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff84f99f20 [ 49.195643][ T429] FS: 00007f659e33b6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 49.204397][ T429] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.210814][ T429] CR2: 00007ffdb7b568d8 CR3: 00000001efacd000 CR4: 00000000003406a0 [ 49.219033][ T429] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.227485][ T429] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.236278][ T429] Call Trace: [ 49.239521][ T429] ? __warn+0x162/0x250 [ 49.243732][ T429] ? report_bug+0x3a1/0x4e0 [ 49.248400][ T429] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 49.254229][ T429] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 49.260479][ T429] ? do_invalid_op+0x6e/0x110 [ 49.265068][ T429] ? invalid_op+0x1e/0x30 [ 49.269233][ T429] ? wake_up_klogd+0xb2/0xf0 [ 49.273746][ T429] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 49.279210][ T429] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 49.284810][ T429] sysfs_remove_files+0x91/0xe0 [ 49.289685][ T429] del_gendisk+0x26e/0xc30 [ 49.293936][ T429] ? avc_flush+0x1f0/0x1f0 [ 49.298388][ T429] ? device_add_disk_no_queue_reg+0x20/0x20 [ 49.304250][ T429] ? delete_node+0x706/0x780 [ 49.308617][ T429] loop_remove+0x42/0xa0 [ 49.313251][ T429] loop_control_ioctl+0x564/0x620 [ 49.318453][ T429] ? loop_remove+0xa0/0xa0 [ 49.322677][ T429] ? loop_remove+0xa0/0xa0 [ 49.327190][ T429] do_vfs_ioctl+0x742/0x1720 [ 49.331629][ T429] ? ioctl_preallocate+0x250/0x250 [ 49.336659][ T429] ? __fget+0x407/0x490 [ 49.340831][ T429] ? fget_many+0x20/0x20 [ 49.345090][ T429] ? switch_fpu_return+0x1d4/0x410 [ 49.350047][ T429] ? security_file_ioctl+0x7d/0xa0 [ 49.355071][ T429] __x64_sys_ioctl+0xd4/0x110 [ 49.359869][ T429] do_syscall_64+0xca/0x1c0 [ 49.364457][ T429] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 49.370161][ T429] RIP: 0033:0x7f659e7b8859 [ 49.374420][ T429] 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 [ 49.394357][ T429] RSP: 002b:00007f659e33b0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 49.402787][ T429] RAX: ffffffffffffffda RBX: 00007f659e8d7f80 RCX: 00007f659e7b8859 [ 49.410689][ T429] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 49.418676][ T429] RBP: 00007f659e814ad0 R08: 0000000000000000 R09: 0000000000000000 [ 49.426570][ T429] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 49.434591][ T429] R13: 000000000000000b R14: 00007f659e8d7f80 R15: 00007ffdb7b566c8 [ 49.442475][ T429] ---[ end trace 524fc62d8577c094 ]--- [ 49.448962][ T429] ------------[ cut here ]------------ [ 49.454313][ T429] kernfs: can not remove 'events_poll_msecs', no directory [ 49.461770][ T429] WARNING: CPU: 1 PID: 429 at fs/kernfs/dir.c:1523 kernfs_remove_by_name_ns+0xb1/0x100 [ 49.471387][ T429] Modules linked in: [ 49.475231][ T429] CPU: 1 PID: 429 Comm: syz-executor.0 Tainted: G W 5.4.281-syzkaller-04960-g22ddc50dfded #0 [ 49.486916][ T429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 49.497090][ T429] RIP: 0010:kernfs_remove_by_name_ns+0xb1/0x100 [ 49.503354][ T429] Code: ff 03 48 89 df e8 ff ef ff ff 48 89 df e8 87 af ff ff 31 db eb 27 e8 ae 7c a6 ff 48 c7 c7 80 ac e5 84 4c 89 fe e8 1f 2e 7d ff <0f> 0b bb fe ff ff ff eb 16 e8 91 7c a6 ff bb fe ff ff ff 48 c7 c7 [ 49.523394][ T429] RSP: 0018:ffff8881ef1c7a38 EFLAGS: 00010246 [ 49.529602][ T429] RAX: e872017763931100 RBX: 0000000000000000 RCX: ffff8881f30e4ec0 [ 49.537578][ T429] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 49.545473][ T429] RBP: ffffffff85a66120 R08: ffffffff814d5952 R09: 0000000000000003 [ 49.553360][ T429] R10: ffffffffffffffff R11: dffffc0000000001 R12: 0000000000000000 [ 49.561271][ T429] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff84f99f40 [ 49.569248][ T429] FS: 00007f659e33b6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 49.578275][ T429] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.584693][ T429] CR2: 00007ffdb7b568d8 CR3: 00000001efacd000 CR4: 00000000003406a0 [ 49.592509][ T429] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.600322][ T429] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.608129][ T429] Call Trace: [ 49.611268][ T429] ? __warn+0x162/0x250 [ 49.615255][ T429] ? report_bug+0x3a1/0x4e0 [ 49.619593][ T429] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 49.625085][ T429] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 49.630555][ T429] ? do_invalid_op+0x6e/0x110 [ 49.635139][ T429] ? invalid_op+0x1e/0x30 [ 49.639302][ T429] ? wake_up_klogd+0xb2/0xf0 [ 49.643913][ T429] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 49.649346][ T429] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 49.654828][ T429] sysfs_remove_files+0x91/0xe0 [ 49.659607][ T429] del_gendisk+0x26e/0xc30 [ 49.663859][ T429] ? avc_flush+0x1f0/0x1f0 [ 49.668213][ T429] ? device_add_disk_no_queue_reg+0x20/0x20 [ 49.674130][ T429] ? delete_node+0x706/0x780 [ 49.678650][ T429] loop_remove+0x42/0xa0 [ 49.682719][ T429] loop_control_ioctl+0x564/0x620 [ 49.687743][ T429] ? loop_remove+0xa0/0xa0 [ 49.691998][ T429] ? loop_remove+0xa0/0xa0 [ 49.696245][ T429] do_vfs_ioctl+0x742/0x1720 [ 49.700901][ T429] ? ioctl_preallocate+0x250/0x250 [ 49.705987][ T429] ? __fget+0x407/0x490 [ 49.710064][ T429] ? fget_many+0x20/0x20 [ 49.714395][ T429] ? switch_fpu_return+0x1d4/0x410 [ 49.719339][ T429] ? security_file_ioctl+0x7d/0xa0 [ 49.724288][ T429] __x64_sys_ioctl+0xd4/0x110 [ 49.729021][ T429] do_syscall_64+0xca/0x1c0 [ 49.733601][ T429] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 49.739496][ T429] RIP: 0033:0x7f659e7b8859 [ 49.744029][ T429] 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 [ 49.763458][ T429] RSP: 002b:00007f659e33b0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 49.771797][ T429] RAX: ffffffffffffffda RBX: 00007f659e8d7f80 RCX: 00007f659e7b8859 [ 49.779708][ T429] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 49.787663][ T429] RBP: 00007f659e814ad0 R08: 0000000000000000 R09: 0000000000000000 [ 49.795565][ T429] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 49.803559][ T429] R13: 000000000000000b R14: 00007f659e8d7f80 R15: 00007ffdb7b566c8 [ 49.811719][ T429] ---[ end trace 524fc62d8577c095 ]--- [ 49.818531][ T429] ------------[ cut here ]------------ [ 49.823888][ T429] kernfs: can not remove 'bdi', no directory [ 49.829850][ T429] WARNING: CPU: 1 PID: 429 at fs/kernfs/dir.c:1523 kernfs_remove_by_name_ns+0xb1/0x100 [ 49.839415][ T429] Modules linked in: [ 49.843237][ T429] CPU: 1 PID: 429 Comm: syz-executor.0 Tainted: G W 5.4.281-syzkaller-04960-g22ddc50dfded #0 [ 49.854965][ T429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 49.865175][ T429] RIP: 0010:kernfs_remove_by_name_ns+0xb1/0x100 [ 49.871482][ T429] Code: ff 03 48 89 df e8 ff ef ff ff 48 89 df e8 87 af ff ff 31 db eb 27 e8 ae 7c a6 ff 48 c7 c7 80 ac e5 84 4c 89 fe e8 1f 2e 7d ff <0f> 0b bb fe ff ff ff eb 16 e8 91 7c a6 ff bb fe ff ff ff 48 c7 c7 [ 49.891777][ T429] RSP: 0018:ffff8881ef1c7a78 EFLAGS: 00010246 [ 49.897751][ T429] RAX: e872017763931100 RBX: 0000000000000000 RCX: ffff8881f30e4ec0 [ 49.906056][ T429] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 49.913892][ T429] RBP: ffff8881ef1c7b88 R08: ffffffff814d5952 R09: 0000000000000003 [ 49.921789][ T429] R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff8881ef6d3000 [ 49.929887][ T429] R13: ffff8881ef6d34e8 R14: 0000000000000000 R15: ffffffff84f999e0 [ 49.937769][ T429] FS: 00007f659e33b6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 49.946620][ T429] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.953129][ T429] CR2: 00007ffdb7b568d8 CR3: 00000001efacd000 CR4: 00000000003406a0 [ 49.961126][ T429] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.969010][ T429] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.976816][ T429] Call Trace: [ 49.979965][ T429] ? __warn+0x162/0x250 [ 49.983937][ T429] ? report_bug+0x3a1/0x4e0 [ 49.988374][ T429] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 49.993933][ T429] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 49.999485][ T429] ? do_invalid_op+0x6e/0x110 [ 50.004336][ T429] ? invalid_op+0x1e/0x30 [ 50.008614][ T429] ? wake_up_klogd+0xb2/0xf0 [ 50.013243][ T429] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 50.018669][ T429] ? kernfs_remove_by_name_ns+0xb1/0x100 [ 50.024141][ T429] del_gendisk+0x5a1/0xc30 [ 50.028563][ T429] ? device_add_disk_no_queue_reg+0x20/0x20 [ 50.034302][ T429] ? delete_node+0x706/0x780 [ 50.038723][ T429] loop_remove+0x42/0xa0 [ 50.042793][ T429] loop_control_ioctl+0x564/0x620 [ 50.047663][ T429] ? loop_remove+0xa0/0xa0 [ 50.051993][ T429] ? loop_remove+0xa0/0xa0 [ 50.056247][ T429] do_vfs_ioctl+0x742/0x1720 [ 50.060672][ T429] ? ioctl_preallocate+0x250/0x250 [ 50.065621][ T429] ? __fget+0x407/0x490 [ 50.069607][ T429] ? fget_many+0x20/0x20 [ 50.073687][ T429] ? switch_fpu_return+0x1d4/0x410 [ 50.078639][ T429] ? security_file_ioctl+0x7d/0xa0 [ 50.083578][ T429] __x64_sys_ioctl+0xd4/0x110 [ 50.088629][ T429] do_syscall_64+0xca/0x1c0 [ 50.092963][ T429] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 50.098695][ T429] RIP: 0033:0x7f659e7b8859 [ 50.103124][ T429] 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 [ 50.122670][ T429] RSP: 002b:00007f659e33b0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 50.130914][ T429] RAX: ffffffffffffffda RBX: 00007f659e8d7f80 RCX: 00007f659e7b8859 [ 50.139056][ T429] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 50.147351][ T429] RBP: 00007f659e814ad0 R08: 0000000000000000 R09: 0000000000000000 [ 50.155410][ T429] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 50.163572][ T429] R13: 000000000000000b R14: 00007f659e8d7f80 R15: 00007ffdb7b566c8 [ 50.171569][ T429] ---[ end trace 524fc62d8577c096 ]--- [ 50.177603][ T429] kasan: CONFIG_KASAN_INLINE enabled [ 50.183018][ T429] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 50.191297][ T429] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 50.198487][ T429] CPU: 1 PID: 429 Comm: syz-executor.0 Tainted: G W 5.4.281-syzkaller-04960-g22ddc50dfded #0 [ 50.210020][ T429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 50.220116][ T429] RIP: 0010:device_del+0xe7/0xfa0 [ 50.225165][ T429] Code: df e8 bd be 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 [ 50.245125][ T429] RSP: 0018:ffff8881ef1c79c0 EFLAGS: 00010202 [ 50.251190][ T429] RAX: dffffc0000000000 RBX: ffff8881ef6d30d8 RCX: 1ffff1103deda61b [ 50.259319][ T429] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff8881ef1c7940 [ 50.267237][ T429] RBP: ffff8881ef1c7a90 R08: dffffc0000000000 R09: ffffed103de38f29 [ 50.275368][ T429] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000019 [ 50.283770][ T429] R13: ffff8881ef6d3070 R14: ffff8881ef6d3110 R15: 00000000000000c8 [ 50.291958][ T429] FS: 00007f659e33b6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 50.300726][ T429] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.307311][ T429] CR2: 00007ffdb7b568d8 CR3: 00000001efacd000 CR4: 00000000003406a0 [ 50.315246][ T429] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.323145][ T429] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.331300][ T429] Call Trace: [ 50.334459][ T429] ? __die+0xb4/0x100 [ 50.338339][ T429] ? die+0x26/0x50 [ 50.341903][ T429] ? do_general_protection+0x266/0x3c0 [ 50.347301][ T429] ? do_trap+0x340/0x340 [ 50.351445][ T429] ? general_protection+0x28/0x30 [ 50.356432][ T429] ? device_del+0xe7/0xfa0 [ 50.360919][ T429] ? mutex_trylock+0xa0/0xa0 [ 50.365587][ T429] ? kill_device+0xc0/0xc0 [ 50.369937][ T429] ? _raw_spin_unlock_irq+0x4a/0x60 [ 50.375040][ T429] ? pm_runtime_set_memalloc_noio+0x1ec/0x250 [ 50.381024][ T429] del_gendisk+0x9d9/0xc30 [ 50.385279][ T429] ? device_add_disk_no_queue_reg+0x20/0x20 [ 50.391260][ T429] ? delete_node+0x706/0x780 [ 50.395683][ T429] loop_remove+0x42/0xa0 [ 50.399872][ T429] loop_control_ioctl+0x564/0x620 [ 50.404825][ T429] ? loop_remove+0xa0/0xa0 [ 50.409240][ T429] ? loop_remove+0xa0/0xa0 [ 50.413498][ T429] do_vfs_ioctl+0x742/0x1720 [ 50.418025][ T429] ? ioctl_preallocate+0x250/0x250 [ 50.423066][ T429] ? __fget+0x407/0x490 [ 50.427063][ T429] ? fget_many+0x20/0x20 [ 50.431143][ T429] ? switch_fpu_return+0x1d4/0x410 [ 50.436169][ T429] ? security_file_ioctl+0x7d/0xa0 [ 50.441290][ T429] __x64_sys_ioctl+0xd4/0x110 [ 50.445802][ T429] do_syscall_64+0xca/0x1c0 [ 50.450364][ T429] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 50.456358][ T429] RIP: 0033:0x7f659e7b8859 [ 50.460867][ T429] 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 [ 50.480385][ T429] RSP: 002b:00007f659e33b0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 50.488632][ T429] RAX: ffffffffffffffda RBX: 00007f659e8d7f80 RCX: 00007f659e7b8859 [ 50.496535][ T429] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 50.504354][ T429] RBP: 00007f659e814ad0 R08: 0000000000000000 R09: 0000000000000000 [ 50.512234][ T429] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 50.520367][ T429] R13: 000000000000000b R14: 00007f659e8d7f80 R15: 00007ffdb7b566c8 [ 50.528895][ T429] Modules linked in: [ 50.532926][ T429] ---[ end trace 524fc62d8577c097 ]--- [ 50.538256][ T429] RIP: 0010:device_del+0xe7/0xfa0 [ 50.543067][ T429] Code: df e8 bd be 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 [ 50.562732][ T429] RSP: 0018:ffff8881ef1c79c0 EFLAGS: 00010202 [ 50.568740][ T429] RAX: dffffc0000000000 RBX: ffff8881ef6d30d8 RCX: 1ffff1103deda61b [ 50.576694][ T429] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff8881ef1c7940 [ 50.584810][ T429] RBP: ffff8881ef1c7a90 R08: dffffc0000000000 R09: ffffed103de38f29 [ 50.592771][ T429] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000019 [ 50.600738][ T429] R13: ffff8881ef6d3070 R14: ffff8881ef6d3110 R15: 00000000000000c8 [ 50.608589][ T429] FS: 00007f659e33b6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 50.617330][ T429] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.624238][ T429] CR2: 000055f320409e38 CR3: 00000001efacd000 CR4: 00000000003406b0 [ 50.632533][ T429] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.640801][ T429] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.649165][ T429] Kernel panic - not syncing: Fatal exception [ 50.655670][ T429] Kernel Offset: disabled [ 50.659898][ T429] Rebooting in 86400 seconds..