Warning: Permanently added '10.128.1.94' (ED25519) to the list of known hosts. 2024/03/30 17:18:10 ignoring optional flag "sandboxArg"="0" 2024/03/30 17:18:10 parsed 1 programs [ 42.440858][ T24] audit: type=1400 audit(1711819090.930:154): avc: denied { mounton } for pid=338 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 2024/03/30 17:18:11 executed programs: 0 [ 42.467969][ T24] audit: type=1400 audit(1711819090.960:155): avc: denied { mount } for pid=338 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 [ 42.491610][ T24] audit: type=1400 audit(1711819090.960:156): avc: denied { unlink } for pid=338 comm="syz-executor" name="swap-file" dev="sda1" ino=1929 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 42.519568][ T338] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 42.570130][ T344] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.577032][ T344] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.584364][ T344] device bridge_slave_0 entered promiscuous mode [ 42.591182][ T344] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.598164][ T344] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.605369][ T344] device bridge_slave_1 entered promiscuous mode [ 42.638904][ T24] audit: type=1400 audit(1711819091.130:157): avc: denied { write } for pid=344 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 42.644182][ T344] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.659753][ T24] audit: type=1400 audit(1711819091.130:158): avc: denied { read } for pid=344 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 42.666449][ T344] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.694755][ T344] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.701559][ T344] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.719382][ T25] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.726818][ T25] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.734388][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.742824][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.751946][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.760317][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.767351][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.786217][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 42.794638][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.803061][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.809972][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.817323][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.825059][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.835049][ T344] device veth0_vlan entered promiscuous mode [ 42.842108][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 42.850200][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 42.858442][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 42.870096][ T344] device veth1_macvtap entered promiscuous mode [ 42.877335][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 42.888104][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 42.899872][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 42.912909][ T24] audit: type=1400 audit(1711819091.400:159): avc: denied { mounton } for pid=344 comm="syz-executor.0" path="/dev/binderfs" dev="devtmpfs" ino=357 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1 [ 42.939196][ T24] audit: type=1400 audit(1711819091.430:160): avc: denied { ioctl } for pid=348 comm="syz-executor.0" path="/dev/loop-control" dev="devtmpfs" ino=110 ioctlcmd=0x4c81 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 42.951200][ T351] udevd[351]: inotify_add_watch(7, /dev/loop0, 10) failed: No such file or directory [ 42.977886][ T349] FAULT_INJECTION: forcing a failure. [ 42.977886][ T349] name failslab, interval 1, probability 0, space 0, times 1 [ 42.990804][ T349] CPU: 0 PID: 349 Comm: syz-executor.0 Not tainted 5.10.209-syzkaller-999850-ge7daca75b4c3 #0 [ 43.000945][ T349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 43.010922][ T349] Call Trace: [ 43.014062][ T349] dump_stack_lvl+0x1e2/0x24b [ 43.018745][ T349] ? panic+0x80b/0x80b [ 43.022622][ T349] ? bfq_pos_tree_add_move+0x43b/0x43b [ 43.028071][ T349] dump_stack+0x15/0x17 [ 43.032305][ T349] should_fail+0x3c6/0x510 [ 43.036565][ T349] ? security_inode_alloc+0x29/0x120 [ 43.041682][ T349] __should_failslab+0xa4/0xe0 [ 43.046276][ T349] should_failslab+0x9/0x20 [ 43.050616][ T349] kmem_cache_alloc+0x3d/0x2e0 [ 43.055213][ T349] ? slab_post_alloc_hook+0x61/0x2f0 [ 43.060563][ T349] security_inode_alloc+0x29/0x120 [ 43.065411][ T349] inode_init_always+0x767/0x9f0 [ 43.070374][ T349] new_inode_pseudo+0x93/0x220 [ 43.074954][ T349] new_inode+0x28/0x1c0 [ 43.078940][ T349] ? start_creating+0x1d4/0x2f0 [ 43.083893][ T349] __debugfs_create_file+0x14d/0x4c0 [ 43.089203][ T349] ? up_write+0x59/0x120 [ 43.093268][ T349] debugfs_create_file+0x4a/0x60 [ 43.098061][ T349] bdi_register_va+0x2a6/0x610 [ 43.102836][ T349] bdi_register+0xd1/0x120 [ 43.107311][ T349] ? vsnprintf+0x1e1/0x1c70 [ 43.111602][ T349] ? __device_add_disk+0x552/0x11a0 [ 43.116633][ T349] ? bdi_register_va+0x610/0x610 [ 43.121496][ T349] ? __kasan_check_read+0x11/0x20 [ 43.126367][ T349] ? blk_alloc_devt+0xd7/0x330 [ 43.131046][ T349] __device_add_disk+0x5de/0x11a0 [ 43.136126][ T349] ? device_add_disk+0x40/0x40 [ 43.140740][ T349] ? vsprintf+0x40/0x40 [ 43.144723][ T349] ? device_initialize+0x1e1/0x420 [ 43.149757][ T349] device_add_disk+0x2a/0x40 [ 43.154204][ T349] loop_add+0x580/0x750 [ 43.158259][ T349] loop_control_ioctl+0x448/0x620 [ 43.163236][ T349] ? loop_remove+0xb0/0xb0 [ 43.167479][ T349] ? __fget_files+0x31e/0x380 [ 43.172003][ T349] ? security_file_ioctl+0x84/0xb0 [ 43.176937][ T349] ? loop_remove+0xb0/0xb0 [ 43.181191][ T349] __se_sys_ioctl+0x114/0x190 [ 43.185790][ T349] __x64_sys_ioctl+0x7b/0x90 [ 43.190336][ T349] do_syscall_64+0x34/0x70 [ 43.194565][ T349] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 43.200466][ T349] RIP: 0033:0x7fbd983f6ae9 [ 43.204708][ T349] 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 [ 43.224590][ T349] RSP: 002b:00007fbd97f790c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.233002][ T349] RAX: ffffffffffffffda RBX: 00007fbd98515f80 RCX: 00007fbd983f6ae9 [ 43.240910][ T349] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 43.248915][ T349] RBP: 00007fbd97f79120 R08: 0000000000000000 R09: 0000000000000000 [ 43.256861][ T349] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.264662][ T349] R13: 000000000000000b R14: 00007fbd98515f80 R15: 00007ffc70381108 [ 43.275025][ T349] debugfs: out of free dentries, can not create file 'stats' [ 43.317151][ T358] FAULT_INJECTION: forcing a failure. [ 43.317151][ T358] name failslab, interval 1, probability 0, space 0, times 0 [ 43.329657][ T358] CPU: 0 PID: 358 Comm: syz-executor.0 Not tainted 5.10.209-syzkaller-999850-ge7daca75b4c3 #0 [ 43.339707][ T358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 43.349788][ T358] Call Trace: [ 43.352904][ T358] dump_stack_lvl+0x1e2/0x24b [ 43.357411][ T358] ? panic+0x80b/0x80b [ 43.361320][ T358] ? bfq_pos_tree_add_move+0x43b/0x43b [ 43.366798][ T358] dump_stack+0x15/0x17 [ 43.370883][ T358] should_fail+0x3c6/0x510 [ 43.375229][ T358] ? __kernfs_new_node+0x99/0x700 [ 43.380186][ T358] __should_failslab+0xa4/0xe0 [ 43.384791][ T358] should_failslab+0x9/0x20 [ 43.389219][ T358] __kmalloc_track_caller+0x5f/0x320 [ 43.394328][ T358] ? __kernel_text_address+0x9b/0x110 [ 43.399526][ T358] kstrdup_const+0x55/0x90 [ 43.404392][ T358] __kernfs_new_node+0x99/0x700 [ 43.409083][ T358] ? kernfs_new_node+0x170/0x170 [ 43.413841][ T358] ? stack_trace_save+0x113/0x1c0 [ 43.418706][ T358] ? stack_trace_snprint+0xf0/0xf0 [ 43.423752][ T358] ? stack_trace_snprint+0xf0/0xf0 [ 43.428699][ T358] ? device_add+0xbe/0xbc0 [ 43.433116][ T358] kernfs_create_dir_ns+0x9b/0x230 [ 43.438081][ T358] sysfs_create_dir_ns+0x185/0x390 [ 43.443031][ T358] ? sysfs_warn_dup+0xa0/0xa0 [ 43.447628][ T358] kobject_add_internal+0x763/0xd90 [ 43.452654][ T358] kobject_add+0x14e/0x210 [ 43.456902][ T358] ? _raw_spin_lock+0xa4/0x1b0 [ 43.461685][ T358] ? kobject_init+0x1e0/0x1e0 [ 43.466185][ T358] ? __kasan_check_write+0x14/0x20 [ 43.471220][ T358] ? mutex_unlock+0x1c/0x40 [ 43.475573][ T358] ? get_device_parent+0x2a1/0x410 [ 43.480591][ T358] device_add+0x3be/0xbc0 [ 43.484871][ T358] __device_add_disk+0x785/0x11a0 [ 43.489737][ T358] ? device_add_disk+0x40/0x40 [ 43.495117][ T358] ? vsprintf+0x40/0x40 [ 43.499101][ T358] ? device_initialize+0x1e1/0x420 [ 43.504300][ T358] device_add_disk+0x2a/0x40 [ 43.508743][ T358] loop_add+0x580/0x750 [ 43.512806][ T358] loop_control_ioctl+0x448/0x620 [ 43.517696][ T358] ? loop_remove+0xb0/0xb0 [ 43.522283][ T358] ? __fget_files+0x31e/0x380 [ 43.526826][ T358] ? security_file_ioctl+0x84/0xb0 [ 43.531746][ T358] ? loop_remove+0xb0/0xb0 [ 43.536089][ T358] __se_sys_ioctl+0x114/0x190 [ 43.541047][ T358] __x64_sys_ioctl+0x7b/0x90 [ 43.545520][ T358] do_syscall_64+0x34/0x70 [ 43.549763][ T358] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 43.555584][ T358] RIP: 0033:0x7fbd983f6ae9 [ 43.559832][ T358] 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 [ 43.579268][ T358] RSP: 002b:00007fbd97f790c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.587693][ T358] RAX: ffffffffffffffda RBX: 00007fbd98515f80 RCX: 00007fbd983f6ae9 [ 43.595940][ T358] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 43.603833][ T358] RBP: 00007fbd97f79120 R08: 0000000000000000 R09: 0000000000000000 [ 43.611724][ T358] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 43.620263][ T358] R13: 000000000000000b R14: 00007fbd98515f80 R15: 00007ffc70381108 [ 43.629147][ T358] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 43.639300][ T358] kobject_add_internal failed for queue (error: -2 parent: loop0) [ 43.647690][ T358] ------------[ cut here ]------------ [ 43.653126][ T358] WARNING: CPU: 1 PID: 358 at fs/sysfs/file.c:328 sysfs_create_files+0x325/0x470 [ 43.662362][ T358] Modules linked in: [ 43.666435][ T358] CPU: 0 PID: 358 Comm: syz-executor.0 Not tainted 5.10.209-syzkaller-999850-ge7daca75b4c3 #0 [ 43.676758][ T358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 43.686707][ T358] RIP: 0010:sysfs_create_files+0x325/0x470 [ 43.692727][ T358] Code: c1 03 38 c1 0f 8c b7 fe ff ff 48 8d 7c 24 70 e8 f1 9d d4 ff e9 a8 fe ff ff e8 87 26 97 ff 31 db e9 ef 00 00 00 e8 7b 26 97 ff <0f> 0b bb ea ff ff ff 4c 8b 74 24 08 eb 17 85 db 0f 84 cf 00 00 00 [ 43.712848][ T358] RSP: 0018:ffffc90000f57b00 EFLAGS: 00010293 [ 43.719428][ T358] RAX: ffffffff81d382a8 RBX: ffff88811f3de098 RCX: ffff88810cf54f00 [ 43.727262][ T358] RDX: 0000000000000000 RSI: ffffffff86351680 RDI: ffff88811f3de068 [ 43.735385][ T358] RBP: ffffc90000f57bd0 R08: ffffffff82703867 R09: ffffed102013135a [ 43.743256][ T358] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 43.751168][ T358] R13: ffffffff855f6560 R14: dffffc0000000000 R15: ffff88811f3de068 [ 43.759452][ T358] FS: 00007fbd97f796c0(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 43.768746][ T358] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.775112][ T358] CR2: 00007fbd97f78ff8 CR3: 000000011f36c000 CR4: 00000000003506b0 [ 43.783102][ T358] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.790950][ T358] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 43.799643][ T358] Call Trace: [ 43.802755][ T358] ? show_regs+0x58/0x60 [ 43.807169][ T358] ? __warn+0x160/0x2f0 [ 43.811146][ T358] ? sysfs_create_files+0x325/0x470 [ 43.816184][ T358] ? report_bug+0x3d9/0x5b0 [ 43.820505][ T358] ? sysfs_create_files+0x325/0x470 [ 43.825575][ T358] ? handle_bug+0x41/0x70 [ 43.829720][ T358] ? exc_invalid_op+0x1b/0x50 [ 43.834198][ T358] ? asm_exc_invalid_op+0x12/0x20 [ 43.839103][ T358] ? kobject_get+0xc7/0x120 [ 43.843402][ T358] ? sysfs_create_files+0x458/0x470 [ 43.848498][ T358] ? sysfs_create_files+0x325/0x470 [ 43.853585][ T358] ? sysfs_create_file_ns+0x2a0/0x2a0 [ 43.858918][ T358] ? __kasan_check_write+0x14/0x20 [ 43.863799][ T358] ? kobject_get+0xd1/0x120 [ 43.868192][ T358] __device_add_disk+0x9a7/0x11a0 [ 43.873378][ T358] ? device_add_disk+0x40/0x40 [ 43.878507][ T358] ? vsprintf+0x40/0x40 [ 43.882688][ T358] ? device_initialize+0x1e1/0x420 [ 43.888027][ T358] device_add_disk+0x2a/0x40 [ 43.892535][ T358] loop_add+0x580/0x750 [ 43.896708][ T358] loop_control_ioctl+0x448/0x620 [ 43.901616][ T358] ? loop_remove+0xb0/0xb0 [ 43.905909][ T358] ? __fget_files+0x31e/0x380 [ 43.910710][ T358] ? security_file_ioctl+0x84/0xb0 [ 43.915756][ T358] ? loop_remove+0xb0/0xb0 [ 43.919951][ T358] __se_sys_ioctl+0x114/0x190 [ 43.924450][ T358] __x64_sys_ioctl+0x7b/0x90 [ 43.929229][ T358] do_syscall_64+0x34/0x70 [ 43.933598][ T358] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 43.939485][ T358] RIP: 0033:0x7fbd983f6ae9 [ 43.943992][ T358] 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 [ 43.963572][ T358] RSP: 002b:00007fbd97f790c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.971871][ T358] RAX: ffffffffffffffda RBX: 00007fbd98515f80 RCX: 00007fbd983f6ae9 [ 43.979971][ T358] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 43.987845][ T358] RBP: 00007fbd97f79120 R08: 0000000000000000 R09: 0000000000000000 [ 43.995796][ T358] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.003593][ T358] R13: 000000000000000b R14: 00007fbd98515f80 R15: 00007ffc70381108 [ 44.011530][ T358] ---[ end trace cfab055ec1634347 ]--- [ 44.016900][ T358] ------------[ cut here ]------------ [ 44.022166][ T358] kernfs: can not remove 'events', no directory [ 44.028393][ T358] WARNING: CPU: 1 PID: 358 at fs/kernfs/dir.c:1573 kernfs_remove_by_name_ns+0x10c/0x160 [ 44.038375][ T358] Modules linked in: [ 44.042098][ T358] CPU: 1 PID: 358 Comm: syz-executor.0 Tainted: G W 5.10.209-syzkaller-999850-ge7daca75b4c3 #0 [ 44.053731][ T358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 44.063615][ T358] RIP: 0010:kernfs_remove_by_name_ns+0x10c/0x160 [ 44.069728][ T358] Code: ff 03 48 89 df e8 d4 ee ff ff 48 89 df e8 7c ac ff ff 31 db eb 27 e8 83 86 97 ff 48 c7 c7 40 c1 4a 85 4c 89 e6 e8 d4 15 6b ff <0f> 0b bb fe ff ff ff eb 12 e8 66 86 97 ff bb fe ff ff ff 4c 89 f7 [ 44.089850][ T358] RSP: 0018:ffffc90000f57ac8 EFLAGS: 00010246 [ 44.095729][ T358] RAX: 2564e817778aa400 RBX: ffff88811f3de098 RCX: ffff88810cf54f00 [ 44.103509][ T358] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 44.111538][ T358] RBP: ffffc90000f57af0 R08: ffffffff81521d98 R09: fffff520001eae6d [ 44.119577][ T358] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff855f6620 [ 44.127505][ T358] R13: 0000000000000000 R14: ffffffff855f6560 R15: 0000000000000000 [ 44.135410][ T358] FS: 00007fbd97f796c0(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 44.144402][ T358] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.150845][ T358] CR2: 00005582a29e0e88 CR3: 000000011f36c000 CR4: 00000000003506a0 [ 44.158779][ T358] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.166547][ T358] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.174321][ T358] Call Trace: [ 44.177491][ T358] ? show_regs+0x58/0x60 [ 44.181795][ T358] ? __warn+0x160/0x2f0 [ 44.185813][ T358] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 44.191340][ T358] ? report_bug+0x3d9/0x5b0 [ 44.195710][ T358] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 44.201359][ T358] ? handle_bug+0x41/0x70 [ 44.205865][ T358] ? exc_invalid_op+0x1b/0x50 [ 44.210322][ T358] ? asm_exc_invalid_op+0x12/0x20 [ 44.215182][ T358] ? wake_up_klogd+0xb8/0xf0 [ 44.219666][ T358] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 44.225277][ T358] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 44.230867][ T358] sysfs_create_files+0x3de/0x470 [ 44.235796][ T358] ? sysfs_create_file_ns+0x2a0/0x2a0 [ 44.240991][ T358] ? __kasan_check_write+0x14/0x20 [ 44.245961][ T358] ? kobject_get+0xd1/0x120 [ 44.250283][ T358] __device_add_disk+0x9a7/0x11a0 [ 44.255153][ T358] ? device_add_disk+0x40/0x40 [ 44.260199][ T358] ? vsprintf+0x40/0x40 [ 44.264335][ T358] ? device_initialize+0x1e1/0x420 [ 44.269314][ T358] device_add_disk+0x2a/0x40 [ 44.273736][ T358] loop_add+0x580/0x750 [ 44.278475][ T358] loop_control_ioctl+0x448/0x620 [ 44.283335][ T358] ? loop_remove+0xb0/0xb0 [ 44.287642][ T358] ? __fget_files+0x31e/0x380 [ 44.292099][ T358] ? security_file_ioctl+0x84/0xb0 [ 44.297147][ T358] ? loop_remove+0xb0/0xb0 [ 44.301500][ T358] __se_sys_ioctl+0x114/0x190 [ 44.306292][ T358] __x64_sys_ioctl+0x7b/0x90 [ 44.310764][ T358] do_syscall_64+0x34/0x70 [ 44.315100][ T358] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 44.321016][ T358] RIP: 0033:0x7fbd983f6ae9 [ 44.325177][ T358] 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 [ 44.345081][ T358] RSP: 002b:00007fbd97f790c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.353369][ T358] RAX: ffffffffffffffda RBX: 00007fbd98515f80 RCX: 00007fbd983f6ae9 [ 44.361292][ T358] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 44.369084][ T358] RBP: 00007fbd97f79120 R08: 0000000000000000 R09: 0000000000000000 [ 44.377153][ T358] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 44.385046][ T358] R13: 000000000000000b R14: 00007fbd98515f80 R15: 00007ffc70381108 [ 44.392988][ T358] ---[ end trace cfab055ec1634348 ]--- [ 44.398243][ T358] loop0: failed to create sysfs files for events [ 44.410552][ T361] ------------[ cut here ]------------ [ 44.416235][ T361] kernfs: can not remove 'events', no directory [ 44.422415][ T361] WARNING: CPU: 1 PID: 361 at fs/kernfs/dir.c:1573 kernfs_remove_by_name_ns+0x10c/0x160 [ 44.432063][ T361] Modules linked in: [ 44.436019][ T361] CPU: 1 PID: 361 Comm: syz-executor.0 Tainted: G W 5.10.209-syzkaller-999850-ge7daca75b4c3 #0 [ 44.447611][ T361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 44.457535][ T361] RIP: 0010:kernfs_remove_by_name_ns+0x10c/0x160 [ 44.463592][ T361] Code: ff 03 48 89 df e8 d4 ee ff ff 48 89 df e8 7c ac ff ff 31 db eb 27 e8 83 86 97 ff 48 c7 c7 40 c1 4a 85 4c 89 e6 e8 d4 15 6b ff <0f> 0b bb fe ff ff ff eb 12 e8 66 86 97 ff bb fe ff ff ff 4c 89 f7 [ 44.483722][ T361] RSP: 0018:ffffc90000f57c08 EFLAGS: 00010246 [ 44.489798][ T361] RAX: 5da3bdd766bebb00 RBX: ffffffff855f6560 RCX: ffff88810c9d8000 [ 44.497842][ T361] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 44.505748][ T361] RBP: ffffc90000f57c30 R08: ffffffff81521d98 R09: ffffed103ee64e8b [ 44.513608][ T361] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff855f6620 [ 44.521840][ T361] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 44.530004][ T361] FS: 00007fbd97f796c0(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 44.539025][ T361] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.546171][ T361] CR2: 00007ffc70381318 CR3: 000000010d180000 CR4: 00000000003506b0 [ 44.554140][ T361] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.562401][ T361] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.570511][ T361] Call Trace: [ 44.573710][ T361] ? show_regs+0x58/0x60 [ 44.578081][ T361] ? __warn+0x160/0x2f0 [ 44.582053][ T361] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 44.587811][ T361] ? report_bug+0x3d9/0x5b0 [ 44.592243][ T361] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 44.598592][ T361] ? handle_bug+0x41/0x70 [ 44.603633][ T361] ? exc_invalid_op+0x1b/0x50 [ 44.611924][ T361] ? asm_exc_invalid_op+0x12/0x20 [ 44.617188][ T361] ? wake_up_klogd+0xb8/0xf0 [ 44.621622][ T361] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 44.627335][ T361] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 44.633588][ T361] sysfs_remove_files+0xa5/0x100 [ 44.638389][ T361] del_gendisk+0x248/0xa90 [ 44.642765][ T361] ? device_add_disk_no_queue_reg+0x30/0x30 [ 44.648697][ T361] ? radix_tree_delete_item+0x24d/0x350 [ 44.654336][ T361] loop_remove+0x46/0xb0 [ 44.658463][ T361] loop_control_ioctl+0x564/0x620 [ 44.663311][ T361] ? loop_remove+0xb0/0xb0 [ 44.667956][ T361] ? __fget_files+0x31e/0x380 [ 44.672426][ T361] ? security_file_ioctl+0x84/0xb0 [ 44.677777][ T361] ? loop_remove+0xb0/0xb0 [ 44.682098][ T361] __se_sys_ioctl+0x114/0x190 [ 44.687326][ T361] __x64_sys_ioctl+0x7b/0x90 [ 44.691958][ T361] do_syscall_64+0x34/0x70 [ 44.697086][ T361] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 44.703001][ T361] RIP: 0033:0x7fbd983f6ae9 [ 44.707658][ T361] 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 [ 44.728409][ T361] RSP: 002b:00007fbd97f790c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.736861][ T361] RAX: ffffffffffffffda RBX: 00007fbd98515f80 RCX: 00007fbd983f6ae9 [ 44.744927][ T361] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 44.752775][ T361] RBP: 00007fbd9844247a R08: 0000000000000000 R09: 0000000000000000 [ 44.760971][ T361] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 44.768993][ T361] R13: 000000000000000b R14: 00007fbd98515f80 R15: 00007ffc70381108 [ 44.776836][ T361] ---[ end trace cfab055ec1634349 ]--- [ 44.782166][ T361] ------------[ cut here ]------------ [ 44.787620][ T361] kernfs: can not remove 'events_async', no directory [ 44.794478][ T361] WARNING: CPU: 0 PID: 361 at fs/kernfs/dir.c:1573 kernfs_remove_by_name_ns+0x10c/0x160 [ 44.804013][ T361] Modules linked in: [ 44.807801][ T361] CPU: 0 PID: 361 Comm: syz-executor.0 Tainted: G W 5.10.209-syzkaller-999850-ge7daca75b4c3 #0 [ 44.819449][ T361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 44.829347][ T361] RIP: 0010:kernfs_remove_by_name_ns+0x10c/0x160 [ 44.835464][ T361] Code: ff 03 48 89 df e8 d4 ee ff ff 48 89 df e8 7c ac ff ff 31 db eb 27 e8 83 86 97 ff 48 c7 c7 40 c1 4a 85 4c 89 e6 e8 d4 15 6b ff <0f> 0b bb fe ff ff ff eb 12 e8 66 86 97 ff bb fe ff ff ff 4c 89 f7 [ 44.855351][ T361] RSP: 0018:ffffc90000f57c08 EFLAGS: 00010246 [ 44.861301][ T361] RAX: 5da3bdd766bebb00 RBX: ffffffff855f65a0 RCX: ffff88810c9d8000 [ 44.869153][ T361] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 44.877067][ T361] RBP: ffffc90000f57c30 R08: ffffffff81521d98 R09: ffffed103ee4a5f8 [ 44.884932][ T361] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff855f66c0 [ 44.893072][ T361] R13: 0000000000000000 R14: 0000000000000002 R15: 0000000000000000 [ 44.901320][ T361] FS: 00007fbd97f796c0(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 44.910365][ T361] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.917541][ T361] CR2: 00007ffc70381318 CR3: 000000010d180000 CR4: 00000000003506b0 [ 44.925717][ T361] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.933885][ T361] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.941954][ T361] Call Trace: [ 44.945107][ T361] ? show_regs+0x58/0x60 [ 44.949262][ T361] ? __warn+0x160/0x2f0 [ 44.953295][ T361] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 44.958926][ T361] ? report_bug+0x3d9/0x5b0 [ 44.963396][ T361] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 44.969190][ T361] ? handle_bug+0x41/0x70 [ 44.973364][ T361] ? exc_invalid_op+0x1b/0x50 [ 44.978298][ T361] ? asm_exc_invalid_op+0x12/0x20 [ 44.983240][ T361] ? wake_up_klogd+0xb8/0xf0 [ 44.987727][ T361] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 44.993352][ T361] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 44.999027][ T361] sysfs_remove_files+0xa5/0x100 [ 45.003810][ T361] del_gendisk+0x248/0xa90 [ 45.008096][ T361] ? device_add_disk_no_queue_reg+0x30/0x30 [ 45.013801][ T361] ? radix_tree_delete_item+0x24d/0x350 [ 45.019204][ T361] loop_remove+0x46/0xb0 [ 45.023258][ T361] loop_control_ioctl+0x564/0x620 [ 45.028258][ T361] ? loop_remove+0xb0/0xb0 [ 45.032485][ T361] ? __fget_files+0x31e/0x380 [ 45.037188][ T361] ? security_file_ioctl+0x84/0xb0 [ 45.042290][ T361] ? loop_remove+0xb0/0xb0 [ 45.046736][ T361] __se_sys_ioctl+0x114/0x190 [ 45.051252][ T361] __x64_sys_ioctl+0x7b/0x90 [ 45.055763][ T361] do_syscall_64+0x34/0x70 [ 45.060152][ T361] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 45.066081][ T361] RIP: 0033:0x7fbd983f6ae9 [ 45.071215][ T361] 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 [ 45.091021][ T361] RSP: 002b:00007fbd97f790c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.099220][ T361] RAX: ffffffffffffffda RBX: 00007fbd98515f80 RCX: 00007fbd983f6ae9 [ 45.108012][ T361] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 45.115785][ T361] RBP: 00007fbd9844247a R08: 0000000000000000 R09: 0000000000000000 [ 45.123646][ T361] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 45.131807][ T361] R13: 000000000000000b R14: 00007fbd98515f80 R15: 00007ffc70381108 [ 45.139756][ T361] ---[ end trace cfab055ec163434a ]--- [ 45.145124][ T361] ------------[ cut here ]------------ [ 45.150833][ T361] kernfs: can not remove 'events_poll_msecs', no directory [ 45.158326][ T361] WARNING: CPU: 1 PID: 361 at fs/kernfs/dir.c:1573 kernfs_remove_by_name_ns+0x10c/0x160 [ 45.168077][ T361] Modules linked in: [ 45.171957][ T361] CPU: 1 PID: 361 Comm: syz-executor.0 Tainted: G W 5.10.209-syzkaller-999850-ge7daca75b4c3 #0 [ 45.183417][ T361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 45.193343][ T361] RIP: 0010:kernfs_remove_by_name_ns+0x10c/0x160 [ 45.199461][ T361] Code: ff 03 48 89 df e8 d4 ee ff ff 48 89 df e8 7c ac ff ff 31 db eb 27 e8 83 86 97 ff 48 c7 c7 40 c1 4a 85 4c 89 e6 e8 d4 15 6b ff <0f> 0b bb fe ff ff ff eb 12 e8 66 86 97 ff bb fe ff ff ff 4c 89 f7 [ 45.219063][ T361] RSP: 0018:ffffc90000f57c08 EFLAGS: 00010246 [ 45.224921][ T361] RAX: 5da3bdd766bebb00 RBX: ffffffff855f65e0 RCX: ffff88810c9d8000 [ 45.232853][ T361] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 45.241293][ T361] RBP: ffffc90000f57c30 R08: ffffffff81521d98 R09: ffffed103ee6a5f8 [ 45.249323][ T361] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff855f66e0 [ 45.257145][ T361] R13: 0000000000000000 R14: 0000000000000003 R15: 0000000000000000 [ 45.265055][ T361] FS: 00007fbd97f796c0(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 45.273953][ T361] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.280456][ T361] CR2: 00007ffc70381318 CR3: 000000010d180000 CR4: 00000000003506b0 [ 45.288475][ T361] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.296294][ T361] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.304013][ T361] Call Trace: [ 45.307245][ T361] ? show_regs+0x58/0x60 [ 45.311257][ T361] ? __warn+0x160/0x2f0 [ 45.315253][ T361] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 45.321089][ T361] ? report_bug+0x3d9/0x5b0 [ 45.325619][ T361] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 45.331113][ T361] ? handle_bug+0x41/0x70 [ 45.335268][ T361] ? exc_invalid_op+0x1b/0x50 [ 45.340084][ T361] ? asm_exc_invalid_op+0x12/0x20 [ 45.344945][ T361] ? wake_up_klogd+0xb8/0xf0 [ 45.349388][ T361] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 45.354933][ T361] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 45.360491][ T361] sysfs_remove_files+0xa5/0x100 [ 45.365521][ T361] del_gendisk+0x248/0xa90 [ 45.369742][ T361] ? device_add_disk_no_queue_reg+0x30/0x30 [ 45.375598][ T361] ? radix_tree_delete_item+0x24d/0x350 [ 45.381121][ T361] loop_remove+0x46/0xb0 [ 45.385454][ T361] loop_control_ioctl+0x564/0x620 [ 45.390439][ T361] ? loop_remove+0xb0/0xb0 [ 45.394649][ T361] ? __fget_files+0x31e/0x380 [ 45.399284][ T361] ? security_file_ioctl+0x84/0xb0 [ 45.404205][ T361] ? loop_remove+0xb0/0xb0 [ 45.408493][ T361] __se_sys_ioctl+0x114/0x190 [ 45.413358][ T361] __x64_sys_ioctl+0x7b/0x90 [ 45.417798][ T361] do_syscall_64+0x34/0x70 [ 45.422017][ T361] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 45.427769][ T361] RIP: 0033:0x7fbd983f6ae9 [ 45.431993][ T361] 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 [ 45.451727][ T361] RSP: 002b:00007fbd97f790c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.459998][ T361] RAX: ffffffffffffffda RBX: 00007fbd98515f80 RCX: 00007fbd983f6ae9 [ 45.467979][ T361] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 45.475754][ T361] RBP: 00007fbd9844247a R08: 0000000000000000 R09: 0000000000000000 [ 45.483728][ T361] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 45.491673][ T361] R13: 000000000000000b R14: 00007fbd98515f80 R15: 00007ffc70381108 [ 45.499461][ T361] ---[ end trace cfab055ec163434b ]--- [ 45.504786][ T361] ------------[ cut here ]------------ [ 45.510077][ T361] kernfs: can not remove 'bdi', no directory [ 45.516217][ T361] WARNING: CPU: 1 PID: 361 at fs/kernfs/dir.c:1573 kernfs_remove_by_name_ns+0x10c/0x160 [ 45.525870][ T361] Modules linked in: [ 45.529571][ T361] CPU: 1 PID: 361 Comm: syz-executor.0 Tainted: G W 5.10.209-syzkaller-999850-ge7daca75b4c3 #0 [ 45.541488][ T361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 45.551464][ T361] RIP: 0010:kernfs_remove_by_name_ns+0x10c/0x160 [ 45.557834][ T361] Code: ff 03 48 89 df e8 d4 ee ff ff 48 89 df e8 7c ac ff ff 31 db eb 27 e8 83 86 97 ff 48 c7 c7 40 c1 4a 85 4c 89 e6 e8 d4 15 6b ff <0f> 0b bb fe ff ff ff eb 12 e8 66 86 97 ff bb fe ff ff ff 4c 89 f7 [ 45.577729][ T361] RSP: 0018:ffffc90000f57c28 EFLAGS: 00010246 [ 45.583690][ T361] RAX: 5da3bdd766bebb00 RBX: ffff88811f3de098 RCX: ffff88810c9d8000 [ 45.591705][ T361] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 45.599503][ T361] RBP: ffffc90000f57c50 R08: ffffffff81521d98 R09: ffffed103ee6a5f8 [ 45.607437][ T361] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff855f5f40 [ 45.615198][ T361] R13: 0000000000000000 R14: ffffffff855f5f40 R15: 0000000000000000 [ 45.623293][ T361] FS: 00007fbd97f796c0(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 45.633333][ T361] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.639742][ T361] CR2: 00007fbd97f57ff8 CR3: 000000010d180000 CR4: 00000000003506a0 [ 45.647554][ T361] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.655317][ T361] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.663165][ T361] Call Trace: [ 45.666383][ T361] ? show_regs+0x58/0x60 [ 45.671558][ T361] ? __warn+0x160/0x2f0 [ 45.675699][ T361] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 45.681326][ T361] ? report_bug+0x3d9/0x5b0 [ 45.685695][ T361] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 45.691606][ T361] ? handle_bug+0x41/0x70 [ 45.695814][ T361] ? exc_invalid_op+0x1b/0x50 [ 45.700278][ T361] ? asm_exc_invalid_op+0x12/0x20 [ 45.705117][ T361] ? wake_up_klogd+0xb8/0xf0 [ 45.709809][ T361] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 45.715304][ T361] ? kernfs_remove_by_name_ns+0x10c/0x160 [ 45.720990][ T361] sysfs_remove_link+0x50/0x60 [ 45.725658][ T361] del_gendisk+0x477/0xa90 [ 45.730072][ T361] ? device_add_disk_no_queue_reg+0x30/0x30 [ 45.735837][ T361] ? radix_tree_delete_item+0x24d/0x350 [ 45.741512][ T361] loop_remove+0x46/0xb0 [ 45.745798][ T361] loop_control_ioctl+0x564/0x620 [ 45.750931][ T361] ? loop_remove+0xb0/0xb0 [ 45.755258][ T361] ? __fget_files+0x31e/0x380 [ 45.759995][ T361] ? security_file_ioctl+0x84/0xb0 [ 45.764904][ T361] ? loop_remove+0xb0/0xb0 [ 45.769216][ T361] __se_sys_ioctl+0x114/0x190 [ 45.773746][ T361] __x64_sys_ioctl+0x7b/0x90 [ 45.779129][ T361] do_syscall_64+0x34/0x70 [ 45.783400][ T361] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 45.789142][ T361] RIP: 0033:0x7fbd983f6ae9 [ 45.793363][ T361] 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 [ 45.813233][ T361] RSP: 002b:00007fbd97f790c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.821471][ T361] RAX: ffffffffffffffda RBX: 00007fbd98515f80 RCX: 00007fbd983f6ae9 [ 45.829399][ T361] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 45.837284][ T361] RBP: 00007fbd9844247a R08: 0000000000000000 R09: 0000000000000000 [ 45.845301][ T361] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 45.853372][ T361] R13: 000000000000000b R14: 00007fbd98515f80 R15: 00007ffc70381108 [ 45.861301][ T361] ---[ end trace cfab055ec163434c ]--- [ 45.867668][ T361] general protection fault, probably for non-canonical address 0xdffffc000000001a: 0000 [#1] PREEMPT SMP KASAN [ 45.879844][ T361] KASAN: null-ptr-deref in range [0x00000000000000d0-0x00000000000000d7] [ 45.888237][ T361] CPU: 1 PID: 361 Comm: syz-executor.0 Tainted: G W 5.10.209-syzkaller-999850-ge7daca75b4c3 #0 [ 45.899870][ T361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 45.910154][ T361] RIP: 0010:device_del+0xdf/0xf00 [ 45.915289][ T361] Code: 20 42 80 3c 28 00 74 08 48 89 df e8 3b c0 dd fe 4c 89 7c 24 40 41 bf d0 00 00 00 48 89 5c 24 18 4c 03 3b 4d 89 fc 49 c1 ec 03 <43> 0f b6 04 2c 84 c0 0f 85 0a 0d 00 00 41 0f b6 1f 89 de 83 e6 01 [ 45.935448][ T361] RSP: 0018:ffffc90000f57b80 EFLAGS: 00010202 [ 45.941354][ T361] RAX: 1ffff11023e7bc1a RBX: ffff88811f3de0d0 RCX: ffffffff84b01d95 [ 45.949161][ T361] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffc90000f57b00 [ 45.957137][ T361] RBP: ffffc90000f57c70 R08: dffffc0000000000 R09: fffff520001eaf61 [ 45.964965][ T361] R10: 0000000000000000 R11: dffffc0000000001 R12: 000000000000001a [ 45.973203][ T361] R13: dffffc0000000000 R14: ffff88811f3de108 R15: 00000000000000d0 [ 45.981015][ T361] FS: 00007fbd97f796c0(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 45.989774][ T361] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.996198][ T361] CR2: 00007fbd97f57ff8 CR3: 000000010d180000 CR4: 00000000003506a0 [ 46.004180][ T361] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 46.011989][ T361] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 46.019882][ T361] Call Trace: [ 46.023112][ T361] ? __die_body+0x62/0xb0 [ 46.027264][ T361] ? die_addr+0x9f/0xd0 [ 46.031261][ T361] ? exc_general_protection+0x3ff/0x490 [ 46.036675][ T361] ? asm_exc_general_protection+0x1e/0x30 [ 46.042199][ T361] ? mutex_lock+0xa5/0x110 [ 46.046453][ T361] ? device_del+0xdf/0xf00 [ 46.050713][ T361] ? _raw_spin_lock_irqsave+0x210/0x210 [ 46.056256][ T361] ? kill_device+0xd0/0xd0 [ 46.060520][ T361] ? mutex_unlock+0x1c/0x40 [ 46.064828][ T361] del_gendisk+0x88d/0xa90 [ 46.069095][ T361] ? device_add_disk_no_queue_reg+0x30/0x30 [ 46.074881][ T361] ? radix_tree_delete_item+0x24d/0x350 [ 46.080197][ T361] loop_remove+0x46/0xb0 [ 46.084265][ T361] loop_control_ioctl+0x564/0x620 [ 46.089131][ T361] ? loop_remove+0xb0/0xb0 [ 46.093622][ T361] ? __fget_files+0x31e/0x380 [ 46.098124][ T361] ? security_file_ioctl+0x84/0xb0 [ 46.103153][ T361] ? loop_remove+0xb0/0xb0 [ 46.107586][ T361] __se_sys_ioctl+0x114/0x190 [ 46.112179][ T361] __x64_sys_ioctl+0x7b/0x90 [ 46.116724][ T361] do_syscall_64+0x34/0x70 [ 46.121048][ T361] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 46.126772][ T361] RIP: 0033:0x7fbd983f6ae9 [ 46.131079][ T361] 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 [ 46.150466][ T361] RSP: 002b:00007fbd97f790c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.158817][ T361] RAX: ffffffffffffffda RBX: 00007fbd98515f80 RCX: 00007fbd983f6ae9 [ 46.166611][ T361] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 46.174433][ T361] RBP: 00007fbd9844247a R08: 0000000000000000 R09: 0000000000000000 [ 46.182619][ T361] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 46.190639][ T361] R13: 000000000000000b R14: 00007fbd98515f80 R15: 00007ffc70381108 [ 46.198428][ T361] Modules linked in: [ 46.202448][ T361] ---[ end trace cfab055ec163434d ]--- [ 46.207755][ T361] RIP: 0010:device_del+0xdf/0xf00 [ 46.212935][ T361] Code: 20 42 80 3c 28 00 74 08 48 89 df e8 3b c0 dd fe 4c 89 7c 24 40 41 bf d0 00 00 00 48 89 5c 24 18 4c 03 3b 4d 89 fc 49 c1 ec 03 <43> 0f b6 04 2c 84 c0 0f 85 0a 0d 00 00 41 0f b6 1f 89 de 83 e6 01 [ 46.232709][ T361] RSP: 0018:ffffc90000f57b80 EFLAGS: 00010202 [ 46.238685][ T361] RAX: 1ffff11023e7bc1a RBX: ffff88811f3de0d0 RCX: ffffffff84b01d95 [ 46.246577][ T361] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffc90000f57b00 [ 46.254443][ T361] RBP: ffffc90000f57c70 R08: dffffc0000000000 R09: fffff520001eaf61 [ 46.262302][ T361] R10: 0000000000000000 R11: dffffc0000000001 R12: 000000000000001a [ 46.270115][ T361] R13: dffffc0000000000 R14: ffff88811f3de108 R15: 00000000000000d0 [ 46.277886][ T361] FS: 00007fbd97f796c0(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 46.286677][ T361] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.293066][ T361] CR2: 00007fbd97f57ff8 CR3: 000000010d180000 CR4: 00000000003506a0 [ 46.301002][ T361] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 46.308839][ T361] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 46.316729][ T361] Kernel panic - not syncing: Fatal exception [ 46.323282][ T361] Kernel Offset: disabled [ 46.327446][ T361] Rebooting in 86400 seconds..