Warning: Permanently added '10.128.1.17' (ED25519) to the list of known hosts. 2023/11/02 01:59:27 ignoring optional flag "sandboxArg"="0" 2023/11/02 01:59:27 parsed 1 programs [ 40.974085][ T24] audit: type=1400 audit(1698890367.500:154): avc: denied { mounton } for pid=335 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 [ 40.998993][ T24] audit: type=1400 audit(1698890367.520:155): avc: denied { mount } for pid=335 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 [ 41.022456][ T24] audit: type=1400 audit(1698890367.550:156): avc: denied { unlink } for pid=335 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" 2023/11/02 01:59:27 executed programs: 0 [ 41.090343][ T335] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 41.138488][ T341] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.145441][ T341] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.152496][ T341] device bridge_slave_0 entered promiscuous mode [ 41.159718][ T341] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.166858][ T341] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.174498][ T341] device bridge_slave_1 entered promiscuous mode [ 41.205157][ T24] audit: type=1400 audit(1698890367.730:157): avc: denied { write } for pid=341 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 41.226316][ T24] audit: type=1400 audit(1698890367.750:158): avc: denied { read } for pid=341 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 41.231903][ T341] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.253636][ T341] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.260791][ T341] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.267529][ T341] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.284556][ T295] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.291680][ T295] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.299163][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 41.306860][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.325622][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 41.333635][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.341756][ T295] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.348601][ T295] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.356029][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.363964][ T295] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.370854][ T295] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.378102][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 41.386845][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 41.397470][ T15] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 41.405667][ T15] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 41.412972][ T15] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 41.420911][ T341] device veth0_vlan entered promiscuous mode [ 41.431799][ T341] device veth1_macvtap entered promiscuous mode [ 41.439127][ T295] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 41.452665][ T15] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 41.461892][ T15] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 41.475046][ T24] audit: type=1400 audit(1698890367.990:159): avc: denied { mounton } for pid=341 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 [ 41.497933][ T24] audit: type=1400 audit(1698890368.010:160): avc: denied { ioctl } for pid=347 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 [ 41.536138][ T348] FAULT_INJECTION: forcing a failure. [ 41.536138][ T348] name failslab, interval 1, probability 0, space 0, times 1 [ 41.548631][ T348] CPU: 0 PID: 348 Comm: syz-executor.0 Not tainted 5.10.199-syzkaller-999684-gd30b996835c0 #0 [ 41.558600][ T348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 [ 41.568579][ T348] Call Trace: [ 41.571718][ T348] dump_stack_lvl+0x1e2/0x24b [ 41.576228][ T348] ? bfq_pos_tree_add_move+0x43b/0x43b [ 41.581513][ T348] ? vsnprintf+0x1b96/0x1c70 [ 41.586288][ T348] dump_stack+0x15/0x17 [ 41.590277][ T348] should_fail+0x3c6/0x510 [ 41.594529][ T348] ? __alloc_skb+0x80/0x510 [ 41.598970][ T348] __should_failslab+0xa4/0xe0 [ 41.603758][ T348] should_failslab+0x9/0x20 [ 41.608196][ T348] kmem_cache_alloc+0x3d/0x2e0 [ 41.612790][ T348] ? add_uevent_var+0x26c/0x440 [ 41.617476][ T348] __alloc_skb+0x80/0x510 [ 41.621821][ T348] ? mutex_lock+0xa5/0x110 [ 41.626059][ T348] alloc_uevent_skb+0x80/0x230 [ 41.630697][ T348] kobject_uevent_net_broadcast+0x311/0x590 [ 41.636386][ T348] kobject_uevent_env+0x525/0x700 [ 41.641243][ T348] ? __kasan_check_write+0x14/0x20 [ 41.646193][ T348] kobject_uevent+0x1f/0x30 [ 41.650530][ T348] device_add+0x791/0xbc0 [ 41.654698][ T348] device_create+0x259/0x2e0 [ 41.659227][ T348] ? root_device_unregister+0x80/0x80 [ 41.664423][ T348] ? memset+0x35/0x40 [ 41.668243][ T348] ? number+0xb5a/0xf80 [ 41.672236][ T348] bdi_register_va+0x93/0x610 [ 41.676742][ T348] bdi_register+0xd1/0x120 [ 41.681002][ T348] ? vsnprintf+0x1e1/0x1c70 [ 41.685333][ T348] ? __device_add_disk+0x552/0x11a0 [ 41.690367][ T348] ? bdi_register_va+0x610/0x610 [ 41.695152][ T348] ? __kasan_check_read+0x11/0x20 [ 41.700105][ T348] ? blk_alloc_devt+0xd7/0x330 [ 41.704811][ T348] __device_add_disk+0x5de/0x11a0 [ 41.709660][ T348] ? device_add_disk+0x40/0x40 [ 41.714259][ T348] ? vsprintf+0x40/0x40 [ 41.718250][ T348] ? device_initialize+0x1e1/0x420 [ 41.723192][ T348] device_add_disk+0x2a/0x40 [ 41.727629][ T348] loop_add+0x580/0x750 [ 41.731756][ T348] loop_control_ioctl+0x448/0x620 [ 41.736614][ T348] ? loop_remove+0xb0/0xb0 [ 41.740860][ T348] ? __fget_files+0x31e/0x380 [ 41.745374][ T348] ? security_file_ioctl+0x84/0xb0 [ 41.750317][ T348] ? loop_remove+0xb0/0xb0 [ 41.754567][ T348] __se_sys_ioctl+0x114/0x190 [ 41.759081][ T348] __x64_sys_ioctl+0x7b/0x90 [ 41.763510][ T348] do_syscall_64+0x34/0x70 [ 41.767761][ T348] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 41.773488][ T348] RIP: 0033:0x7f78b365dae9 [ 41.777757][ T348] 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 [ 41.797181][ T348] RSP: 002b:00007f78b31e00c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 41.805430][ T348] RAX: ffffffffffffffda RBX: 00007f78b377cf80 RCX: 00007f78b365dae9 [ 41.813248][ T348] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 41.821052][ T348] RBP: 00007f78b31e0120 R08: 0000000000000000 R09: 0000000000000000 [ 41.828883][ T348] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 41.836673][ T348] R13: 000000000000000b R14: 00007f78b377cf80 R15: 00007fff4289f2c8 [ 41.895610][ T354] FAULT_INJECTION: forcing a failure. [ 41.895610][ T354] name failslab, interval 1, probability 0, space 0, times 0 [ 41.908159][ T354] CPU: 0 PID: 354 Comm: syz-executor.0 Not tainted 5.10.199-syzkaller-999684-gd30b996835c0 #0 [ 41.918369][ T354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 [ 41.928262][ T354] Call Trace: [ 41.931394][ T354] dump_stack_lvl+0x1e2/0x24b [ 41.935904][ T354] ? bfq_pos_tree_add_move+0x43b/0x43b [ 41.941199][ T354] ? ____kasan_kmalloc+0xed/0x110 [ 41.946060][ T354] ? kobj_map+0x64/0x670 [ 41.950146][ T354] ? device_add_disk+0x2a/0x40 [ 41.954740][ T354] ? loop_add+0x580/0x750 [ 41.958994][ T354] ? loop_control_ioctl+0x448/0x620 [ 41.964033][ T354] ? __x64_sys_ioctl+0x7b/0x90 [ 41.968713][ T354] dump_stack+0x15/0x17 [ 41.972713][ T354] should_fail+0x3c6/0x510 [ 41.976997][ T354] ? kvasprintf_const+0x13b/0x190 [ 41.982062][ T354] __should_failslab+0xa4/0xe0 [ 41.986747][ T354] should_failslab+0x9/0x20 [ 41.991169][ T354] __kmalloc_track_caller+0x5f/0x320 [ 41.996289][ T354] kstrdup_const+0x55/0x90 [ 42.000548][ T354] kvasprintf_const+0x13b/0x190 [ 42.005216][ T354] kobject_set_name_vargs+0x61/0x120 [ 42.010346][ T354] dev_set_name+0xd1/0x120 [ 42.014590][ T354] ? __kasan_kmalloc+0x9/0x10 [ 42.019106][ T354] ? get_device+0x30/0x30 [ 42.023268][ T354] ? mutex_unlock+0x1c/0x40 [ 42.027611][ T354] ? kobj_map+0x62f/0x670 [ 42.031776][ T354] __device_add_disk+0x703/0x11a0 [ 42.036680][ T354] ? device_add_disk+0x40/0x40 [ 42.041236][ T354] ? vsprintf+0x40/0x40 [ 42.045231][ T354] ? device_initialize+0x1e1/0x420 [ 42.050172][ T354] device_add_disk+0x2a/0x40 [ 42.054684][ T354] loop_add+0x580/0x750 [ 42.058682][ T354] loop_control_ioctl+0x448/0x620 [ 42.063547][ T354] ? loop_remove+0xb0/0xb0 [ 42.067792][ T354] ? __fget_files+0x31e/0x380 [ 42.072318][ T354] ? security_file_ioctl+0x84/0xb0 [ 42.077252][ T354] ? loop_remove+0xb0/0xb0 [ 42.081521][ T354] __se_sys_ioctl+0x114/0x190 [ 42.086019][ T354] __x64_sys_ioctl+0x7b/0x90 [ 42.090447][ T354] do_syscall_64+0x34/0x70 [ 42.094817][ T354] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 42.100512][ T354] RIP: 0033:0x7f78b365dae9 [ 42.104765][ T354] 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 [ 42.124208][ T354] RSP: 002b:00007f78b31e00c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.132461][ T354] RAX: ffffffffffffffda RBX: 00007f78b377cf80 RCX: 00007f78b365dae9 [ 42.140376][ T354] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 42.148274][ T354] RBP: 00007f78b31e0120 R08: 0000000000000000 R09: 0000000000000000 [ 42.156089][ T354] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.163892][ T354] R13: 000000000000000b R14: 00007f78b377cf80 R15: 00007fff4289f2c8 [ 42.173765][ T354] kobject_add_internal failed for queue (error: -2 parent: (null)) [ 42.181619][ T354] ------------[ cut here ]------------ [ 42.187369][ T354] WARNING: CPU: 1 PID: 354 at fs/sysfs/file.c:328 sysfs_create_files+0x325/0x470 [ 42.196531][ T354] Modules linked in: [ 42.200296][ T354] CPU: 0 PID: 354 Comm: syz-executor.0 Not tainted 5.10.199-syzkaller-999684-gd30b996835c0 #0 [ 42.210782][ T354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 [ 42.221098][ T354] RIP: 0010:sysfs_create_files+0x325/0x470 [ 42.226804][ T354] Code: c1 03 38 c1 0f 8c b7 fe ff ff 48 8d 7c 24 70 e8 e1 a9 d4 ff e9 a8 fe ff ff e8 b7 3a 97 ff 31 db e9 ef 00 00 00 e8 ab 3a 97 ff <0f> 0b bb ea ff ff ff 4c 8b 74 24 08 eb 17 85 db 0f 84 cf 00 00 00 [ 42.246448][ T354] RSP: 0018:ffffc90000f37b00 EFLAGS: 00010293 [ 42.252370][ T354] RAX: ffffffff81d36a18 RBX: ffff88810da06098 RCX: ffff88810b6ca780 [ 42.260208][ T354] RDX: 0000000000000000 RSI: ffffffff86351460 RDI: ffff88810da06068 [ 42.268045][ T354] RBP: ffffc90000f37bd0 R08: ffffffff82701f77 R09: ffffed1021517af4 [ 42.275878][ T354] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 42.283653][ T354] R13: ffffffff855f5ae0 R14: dffffc0000000000 R15: ffff88810da06068 [ 42.292253][ T354] FS: 00007f78b31e06c0(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 42.301130][ T354] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.307563][ T354] CR2: 00007fff4289f4d8 CR3: 000000010cb08000 CR4: 00000000003506a0 [ 42.315397][ T354] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.323187][ T354] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.331156][ T354] Call Trace: [ 42.334399][ T354] ? show_regs+0x58/0x60 [ 42.338474][ T354] ? __warn+0x160/0x2f0 [ 42.342480][ T354] ? sysfs_create_files+0x325/0x470 [ 42.347687][ T354] ? report_bug+0x3d9/0x5b0 [ 42.352128][ T354] ? sysfs_create_files+0x325/0x470 [ 42.357197][ T354] ? handle_bug+0x41/0x70 [ 42.361347][ T354] ? exc_invalid_op+0x1b/0x50 [ 42.366001][ T354] ? asm_exc_invalid_op+0x12/0x20 [ 42.370877][ T354] ? kobject_get+0xc7/0x120 [ 42.375620][ T354] ? sysfs_create_files+0x458/0x470 [ 42.380776][ T354] ? sysfs_create_files+0x325/0x470 [ 42.385842][ T354] ? sysfs_create_file_ns+0x2a0/0x2a0 [ 42.391069][ T354] ? __kasan_check_write+0x14/0x20 [ 42.396114][ T354] ? kobject_get+0xd1/0x120 [ 42.400431][ T354] __device_add_disk+0x9a7/0x11a0 [ 42.405331][ T354] ? device_add_disk+0x40/0x40 [ 42.409876][ T354] ? vsprintf+0x40/0x40 [ 42.413865][ T354] ? device_initialize+0x1e1/0x420 [ 42.418846][ T354] device_add_disk+0x2a/0x40 [ 42.423235][ T354] loop_add+0x580/0x750 [ 42.427409][ T354] loop_control_ioctl+0x448/0x620 [ 42.432219][ T354] ? loop_remove+0xb0/0xb0 [ 42.436501][ T354] ? __fget_files+0x31e/0x380 [ 42.440991][ T354] ? security_file_ioctl+0x84/0xb0 [ 42.446474][ T354] ? loop_remove+0xb0/0xb0 [ 42.450789][ T354] __se_sys_ioctl+0x114/0x190 [ 42.455359][ T354] __x64_sys_ioctl+0x7b/0x90 [ 42.459858][ T354] do_syscall_64+0x34/0x70 [ 42.464145][ T354] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 42.469820][ T354] RIP: 0033:0x7f78b365dae9 [ 42.474195][ T354] 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 [ 42.493663][ T354] RSP: 002b:00007f78b31e00c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.501916][ T354] RAX: ffffffffffffffda RBX: 00007f78b377cf80 RCX: 00007f78b365dae9 [ 42.509893][ T354] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 42.517906][ T354] RBP: 00007f78b31e0120 R08: 0000000000000000 R09: 0000000000000000 [ 42.525960][ T354] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.534178][ T354] R13: 000000000000000b R14: 00007f78b377cf80 R15: 00007fff4289f2c8 [ 42.542012][ T354] ---[ end trace 634979bfa1476bbf ]--- [ 42.547311][ T354] ------------[ cut here ]------------ [ 42.552622][ T354] kernfs: can not remove 'events', no directory [ 42.558782][ T354] WARNING: CPU: 0 PID: 354 at fs/kernfs/dir.c:1517 kernfs_remove_by_name_ns+0xbf/0x110 [ 42.568458][ T354] Modules linked in: [ 42.572194][ T354] CPU: 0 PID: 354 Comm: syz-executor.0 Tainted: G W 5.10.199-syzkaller-999684-gd30b996835c0 #0 [ 42.583692][ T354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 [ 42.593595][ T354] RIP: 0010:kernfs_remove_by_name_ns+0xbf/0x110 [ 42.599648][ T354] Code: ff 03 48 89 df e8 d1 ef ff ff 48 89 df e8 a9 b3 ff ff 31 db eb 27 e8 80 99 97 ff 48 c7 c7 c0 b6 4a 85 4c 89 fe e8 91 2c 6b ff <0f> 0b bb fe ff ff ff eb 16 e8 63 99 97 ff bb fe ff ff ff 48 c7 c7 [ 42.619621][ T354] RSP: 0018:ffffc90000f37ad8 EFLAGS: 00010246 [ 42.625654][ T354] RAX: dd1831828abf9b00 RBX: 0000000000000000 RCX: ffff88810b6ca780 [ 42.633406][ T354] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 42.641364][ T354] RBP: ffffc90000f37af0 R08: ffffffff81521b18 R09: fffff520001e6e71 [ 42.649145][ T354] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 42.656945][ T354] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff855f5ba0 [ 42.664843][ T354] FS: 00007f78b31e06c0(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 42.673606][ T354] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.680223][ T354] CR2: 00007f78b31dfff8 CR3: 000000010cb08000 CR4: 00000000003506b0 [ 42.688075][ T354] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.695871][ T354] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.703698][ T354] Call Trace: [ 42.707025][ T354] ? show_regs+0x58/0x60 [ 42.711088][ T354] ? __warn+0x160/0x2f0 [ 42.715124][ T354] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 42.720542][ T354] ? report_bug+0x3d9/0x5b0 [ 42.724917][ T354] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 42.730347][ T354] ? handle_bug+0x41/0x70 [ 42.734539][ T354] ? exc_invalid_op+0x1b/0x50 [ 42.739028][ T354] ? asm_exc_invalid_op+0x12/0x20 [ 42.744027][ T354] ? wake_up_klogd+0xb8/0xf0 [ 42.748414][ T354] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 42.754088][ T354] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 42.759519][ T354] sysfs_create_files+0x3de/0x470 [ 42.764426][ T354] ? sysfs_create_file_ns+0x2a0/0x2a0 [ 42.769616][ T354] ? __kasan_check_write+0x14/0x20 [ 42.774610][ T354] ? kobject_get+0xd1/0x120 [ 42.778883][ T354] __device_add_disk+0x9a7/0x11a0 [ 42.783722][ T354] ? device_add_disk+0x40/0x40 [ 42.788354][ T354] ? vsprintf+0x40/0x40 [ 42.792359][ T354] ? device_initialize+0x1e1/0x420 [ 42.797383][ T354] device_add_disk+0x2a/0x40 [ 42.801781][ T354] loop_add+0x580/0x750 [ 42.805892][ T354] loop_control_ioctl+0x448/0x620 [ 42.810732][ T354] ? loop_remove+0xb0/0xb0 [ 42.815024][ T354] ? __fget_files+0x31e/0x380 [ 42.819599][ T354] ? security_file_ioctl+0x84/0xb0 [ 42.824719][ T354] ? loop_remove+0xb0/0xb0 [ 42.829104][ T354] __se_sys_ioctl+0x114/0x190 [ 42.833563][ T354] __x64_sys_ioctl+0x7b/0x90 [ 42.838208][ T354] do_syscall_64+0x34/0x70 [ 42.842477][ T354] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 42.848529][ T354] RIP: 0033:0x7f78b365dae9 [ 42.852732][ T354] 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 [ 42.872705][ T354] RSP: 002b:00007f78b31e00c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.880966][ T354] RAX: ffffffffffffffda RBX: 00007f78b377cf80 RCX: 00007f78b365dae9 [ 42.888772][ T354] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 42.896590][ T354] RBP: 00007f78b31e0120 R08: 0000000000000000 R09: 0000000000000000 [ 42.904398][ T354] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 42.912189][ T354] R13: 000000000000000b R14: 00007f78b377cf80 R15: 00007fff4289f2c8 [ 42.920133][ T354] ---[ end trace 634979bfa1476bc0 ]--- [ 42.926369][ T354] loop0: failed to create sysfs files for events [ 42.939170][ T357] ------------[ cut here ]------------ [ 42.944499][ T357] kernfs: can not remove 'events', no directory [ 42.950598][ T357] WARNING: CPU: 0 PID: 357 at fs/kernfs/dir.c:1517 kernfs_remove_by_name_ns+0xbf/0x110 [ 42.960168][ T357] Modules linked in: [ 42.963886][ T357] CPU: 0 PID: 357 Comm: syz-executor.0 Tainted: G W 5.10.199-syzkaller-999684-gd30b996835c0 #0 [ 42.975477][ T357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 [ 42.985378][ T357] RIP: 0010:kernfs_remove_by_name_ns+0xbf/0x110 [ 42.993144][ T357] Code: ff 03 48 89 df e8 d1 ef ff ff 48 89 df e8 a9 b3 ff ff 31 db eb 27 e8 80 99 97 ff 48 c7 c7 c0 b6 4a 85 4c 89 fe e8 91 2c 6b ff <0f> 0b bb fe ff ff ff eb 16 e8 63 99 97 ff bb fe ff ff ff 48 c7 c7 [ 43.012820][ T357] RSP: 0018:ffffc90000f37c18 EFLAGS: 00010246 [ 43.019018][ T357] RAX: 6ad1aecea7820e00 RBX: 0000000000000000 RCX: ffff88810b6cbb40 [ 43.026849][ T357] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 43.034630][ T357] RBP: ffffc90000f37c30 R08: ffffffff81521b18 R09: ffffed103ee44e8b [ 43.042437][ T357] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 43.050307][ T357] R13: ffffffff86351460 R14: 0000000000000000 R15: ffffffff855f5ba0 [ 43.058128][ T357] FS: 00007f78b31e06c0(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 43.067347][ T357] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.073776][ T357] CR2: 00007f78b31bfd58 CR3: 0000000106bdc000 CR4: 00000000003506b0 [ 43.081665][ T357] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.089468][ T357] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 43.097383][ T357] Call Trace: [ 43.100502][ T357] ? show_regs+0x58/0x60 [ 43.104782][ T357] ? __warn+0x160/0x2f0 [ 43.108772][ T357] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 43.114415][ T357] ? report_bug+0x3d9/0x5b0 [ 43.118754][ T357] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 43.124280][ T357] ? handle_bug+0x41/0x70 [ 43.128399][ T357] ? exc_invalid_op+0x1b/0x50 [ 43.133094][ T357] ? asm_exc_invalid_op+0x12/0x20 [ 43.137978][ T357] ? wake_up_klogd+0xb8/0xf0 [ 43.142427][ T357] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 43.147942][ T357] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 43.153352][ T357] sysfs_remove_files+0xa5/0x100 [ 43.158754][ T357] del_gendisk+0x248/0xa90 [ 43.162985][ T357] ? device_add_disk_no_queue_reg+0x30/0x30 [ 43.168787][ T357] ? radix_tree_delete_item+0x24d/0x350 [ 43.174187][ T357] loop_remove+0x46/0xb0 [ 43.178293][ T357] loop_control_ioctl+0x564/0x620 [ 43.183129][ T357] ? loop_remove+0xb0/0xb0 [ 43.187427][ T357] ? __fget_files+0x31e/0x380 [ 43.191914][ T357] ? security_file_ioctl+0x84/0xb0 [ 43.196892][ T357] ? loop_remove+0xb0/0xb0 [ 43.201101][ T357] __se_sys_ioctl+0x114/0x190 [ 43.205713][ T357] __x64_sys_ioctl+0x7b/0x90 [ 43.210167][ T357] do_syscall_64+0x34/0x70 [ 43.214451][ T357] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 43.220138][ T357] RIP: 0033:0x7f78b365dae9 [ 43.224409][ T357] 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 [ 43.243880][ T357] RSP: 002b:00007f78b31e00c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.252213][ T357] RAX: ffffffffffffffda RBX: 00007f78b377cf80 RCX: 00007f78b365dae9 [ 43.260164][ T357] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 43.267985][ T357] RBP: 00007f78b36a947a R08: 0000000000000000 R09: 0000000000000000 [ 43.275803][ T357] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 43.283555][ T357] R13: 000000000000000b R14: 00007f78b377cf80 R15: 00007fff4289f2c8 [ 43.291537][ T357] ---[ end trace 634979bfa1476bc1 ]--- [ 43.296935][ T357] ------------[ cut here ]------------ [ 43.302097][ T357] kernfs: can not remove 'events_async', no directory [ 43.308870][ T357] WARNING: CPU: 0 PID: 357 at fs/kernfs/dir.c:1517 kernfs_remove_by_name_ns+0xbf/0x110 [ 43.318529][ T357] Modules linked in: [ 43.322564][ T357] CPU: 0 PID: 357 Comm: syz-executor.0 Tainted: G W 5.10.199-syzkaller-999684-gd30b996835c0 #0 [ 43.334382][ T357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 [ 43.344471][ T357] RIP: 0010:kernfs_remove_by_name_ns+0xbf/0x110 [ 43.350555][ T357] Code: ff 03 48 89 df e8 d1 ef ff ff 48 89 df e8 a9 b3 ff ff 31 db eb 27 e8 80 99 97 ff 48 c7 c7 c0 b6 4a 85 4c 89 fe e8 91 2c 6b ff <0f> 0b bb fe ff ff ff eb 16 e8 63 99 97 ff bb fe ff ff ff 48 c7 c7 [ 43.371616][ T357] RSP: 0018:ffffc90000f37c18 EFLAGS: 00010246 [ 43.377590][ T357] RAX: 6ad1aecea7820e00 RBX: 0000000000000000 RCX: ffff88810b6cbb40 [ 43.385635][ T357] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 43.393765][ T357] RBP: ffffc90000f37c30 R08: ffffffff81521b18 R09: fffff520001e6e99 [ 43.402036][ T357] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 43.410468][ T357] R13: ffffffff86351460 R14: 0000000000000000 R15: ffffffff855f5c40 [ 43.418787][ T357] FS: 00007f78b31e06c0(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 43.427782][ T357] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.434387][ T357] CR2: 00007f78b31bfd58 CR3: 0000000106bdc000 CR4: 00000000003506b0 [ 43.442302][ T357] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.450662][ T357] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 43.458752][ T357] Call Trace: [ 43.461892][ T357] ? show_regs+0x58/0x60 [ 43.466034][ T357] ? __warn+0x160/0x2f0 [ 43.470136][ T357] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 43.476310][ T357] ? report_bug+0x3d9/0x5b0 [ 43.480851][ T357] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 43.487343][ T357] ? handle_bug+0x41/0x70 [ 43.491705][ T357] ? exc_invalid_op+0x1b/0x50 [ 43.496508][ T357] ? asm_exc_invalid_op+0x12/0x20 [ 43.501339][ T357] ? wake_up_klogd+0xb8/0xf0 [ 43.506034][ T357] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 43.511438][ T357] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 43.516937][ T357] sysfs_remove_files+0xa5/0x100 [ 43.522579][ T357] del_gendisk+0x248/0xa90 [ 43.526859][ T357] ? device_add_disk_no_queue_reg+0x30/0x30 [ 43.532681][ T357] ? radix_tree_delete_item+0x24d/0x350 [ 43.538184][ T357] loop_remove+0x46/0xb0 [ 43.542336][ T357] loop_control_ioctl+0x564/0x620 [ 43.547449][ T357] ? loop_remove+0xb0/0xb0 [ 43.551754][ T357] ? __fget_files+0x31e/0x380 [ 43.556846][ T357] ? security_file_ioctl+0x84/0xb0 [ 43.561820][ T357] ? loop_remove+0xb0/0xb0 [ 43.566271][ T357] __se_sys_ioctl+0x114/0x190 [ 43.573410][ T357] __x64_sys_ioctl+0x7b/0x90 [ 43.578094][ T357] do_syscall_64+0x34/0x70 [ 43.582270][ T357] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 43.588048][ T357] RIP: 0033:0x7f78b365dae9 [ 43.592339][ T357] 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 [ 43.612509][ T357] RSP: 002b:00007f78b31e00c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.620827][ T357] RAX: ffffffffffffffda RBX: 00007f78b377cf80 RCX: 00007f78b365dae9 [ 43.628661][ T357] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 43.636805][ T357] RBP: 00007f78b36a947a R08: 0000000000000000 R09: 0000000000000000 [ 43.644905][ T357] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 43.652687][ T357] R13: 000000000000000b R14: 00007f78b377cf80 R15: 00007fff4289f2c8 [ 43.660630][ T357] ---[ end trace 634979bfa1476bc2 ]--- [ 43.667257][ T357] ------------[ cut here ]------------ [ 43.672809][ T357] kernfs: can not remove 'events_poll_msecs', no directory [ 43.680478][ T357] WARNING: CPU: 1 PID: 357 at fs/kernfs/dir.c:1517 kernfs_remove_by_name_ns+0xbf/0x110 [ 43.689841][ T357] Modules linked in: [ 43.694342][ T357] CPU: 1 PID: 357 Comm: syz-executor.0 Tainted: G W 5.10.199-syzkaller-999684-gd30b996835c0 #0 [ 43.706236][ T357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 [ 43.716481][ T357] RIP: 0010:kernfs_remove_by_name_ns+0xbf/0x110 [ 43.722591][ T357] Code: ff 03 48 89 df e8 d1 ef ff ff 48 89 df e8 a9 b3 ff ff 31 db eb 27 e8 80 99 97 ff 48 c7 c7 c0 b6 4a 85 4c 89 fe e8 91 2c 6b ff <0f> 0b bb fe ff ff ff eb 16 e8 63 99 97 ff bb fe ff ff ff 48 c7 c7 [ 43.742371][ T357] RSP: 0018:ffffc90000f37c18 EFLAGS: 00010246 [ 43.749425][ T357] RAX: 6ad1aecea7820e00 RBX: 0000000000000000 RCX: ffff88810b6cbb40 [ 43.757791][ T357] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 43.766550][ T357] RBP: ffffc90000f37c30 R08: ffffffff81521b18 R09: fffff520001e6e99 [ 43.774553][ T357] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 43.782797][ T357] R13: ffffffff86351460 R14: 0000000000000000 R15: ffffffff855f5c60 [ 43.790899][ T357] FS: 00007f78b31e06c0(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 43.799917][ T357] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.806350][ T357] CR2: 00007f78b31beff8 CR3: 0000000106bdc000 CR4: 00000000003506a0 [ 43.814143][ T357] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.822179][ T357] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 43.830108][ T357] Call Trace: [ 43.834137][ T357] ? show_regs+0x58/0x60 [ 43.838351][ T357] ? __warn+0x160/0x2f0 [ 43.842446][ T357] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 43.848171][ T357] ? report_bug+0x3d9/0x5b0 [ 43.852741][ T357] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 43.858268][ T357] ? handle_bug+0x41/0x70 [ 43.862693][ T357] ? exc_invalid_op+0x1b/0x50 [ 43.867674][ T357] ? asm_exc_invalid_op+0x12/0x20 [ 43.873504][ T357] ? wake_up_klogd+0xb8/0xf0 [ 43.878072][ T357] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 43.883822][ T357] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 43.889330][ T357] sysfs_remove_files+0xa5/0x100 [ 43.894084][ T357] del_gendisk+0x248/0xa90 [ 43.898305][ T357] ? device_add_disk_no_queue_reg+0x30/0x30 [ 43.904072][ T357] ? radix_tree_delete_item+0x24d/0x350 [ 43.909680][ T357] loop_remove+0x46/0xb0 [ 43.913863][ T357] loop_control_ioctl+0x564/0x620 [ 43.918760][ T357] ? loop_remove+0xb0/0xb0 [ 43.923055][ T357] ? __fget_files+0x31e/0x380 [ 43.927617][ T357] ? security_file_ioctl+0x84/0xb0 [ 43.932617][ T357] ? loop_remove+0xb0/0xb0 [ 43.937483][ T357] __se_sys_ioctl+0x114/0x190 [ 43.942393][ T357] __x64_sys_ioctl+0x7b/0x90 [ 43.947004][ T357] do_syscall_64+0x34/0x70 [ 43.951355][ T357] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 43.957085][ T357] RIP: 0033:0x7f78b365dae9 [ 43.961303][ T357] 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 [ 43.981705][ T357] RSP: 002b:00007f78b31e00c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.990058][ T357] RAX: ffffffffffffffda RBX: 00007f78b377cf80 RCX: 00007f78b365dae9 [ 43.997944][ T357] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 44.006065][ T357] RBP: 00007f78b36a947a R08: 0000000000000000 R09: 0000000000000000 [ 44.013895][ T357] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 44.021743][ T357] R13: 000000000000000b R14: 00007f78b377cf80 R15: 00007fff4289f2c8 [ 44.029633][ T357] ---[ end trace 634979bfa1476bc3 ]--- [ 44.035016][ T357] ------------[ cut here ]------------ [ 44.040631][ T357] kernfs: can not remove 'bdi', no directory [ 44.046662][ T357] WARNING: CPU: 0 PID: 357 at fs/kernfs/dir.c:1517 kernfs_remove_by_name_ns+0xbf/0x110 [ 44.056370][ T357] Modules linked in: [ 44.060192][ T357] CPU: 0 PID: 357 Comm: syz-executor.0 Tainted: G W 5.10.199-syzkaller-999684-gd30b996835c0 #0 [ 44.072512][ T357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 [ 44.082888][ T357] RIP: 0010:kernfs_remove_by_name_ns+0xbf/0x110 [ 44.089046][ T357] Code: ff 03 48 89 df e8 d1 ef ff ff 48 89 df e8 a9 b3 ff ff 31 db eb 27 e8 80 99 97 ff 48 c7 c7 c0 b6 4a 85 4c 89 fe e8 91 2c 6b ff <0f> 0b bb fe ff ff ff eb 16 e8 63 99 97 ff bb fe ff ff ff 48 c7 c7 [ 44.109200][ T357] RSP: 0018:ffffc90000f37c38 EFLAGS: 00010246 [ 44.115082][ T357] RAX: 6ad1aecea7820e00 RBX: 0000000000000000 RCX: ffff88810b6cbb40 [ 44.122942][ T357] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 44.131132][ T357] RBP: ffffc90000f37c50 R08: ffffffff81521b18 R09: fffff520001e6e9d [ 44.139089][ T357] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88810da06478 [ 44.147215][ T357] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff855f54c0 [ 44.155009][ T357] FS: 00007f78b31e06c0(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 44.163927][ T357] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.170391][ T357] CR2: 00007f78b31bfd58 CR3: 0000000106bdc000 CR4: 00000000003506b0 [ 44.178298][ T357] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.186162][ T357] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.194129][ T357] Call Trace: [ 44.197240][ T357] ? show_regs+0x58/0x60 [ 44.201844][ T357] ? __warn+0x160/0x2f0 [ 44.206252][ T357] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 44.212197][ T357] ? report_bug+0x3d9/0x5b0 [ 44.216571][ T357] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 44.222338][ T357] ? handle_bug+0x41/0x70 [ 44.226752][ T357] ? exc_invalid_op+0x1b/0x50 [ 44.231497][ T357] ? asm_exc_invalid_op+0x12/0x20 [ 44.236530][ T357] ? wake_up_klogd+0xb8/0xf0 [ 44.240932][ T357] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 44.246760][ T357] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 44.252312][ T357] sysfs_remove_link+0x50/0x60 [ 44.257055][ T357] del_gendisk+0x477/0xa90 [ 44.261489][ T357] ? device_add_disk_no_queue_reg+0x30/0x30 [ 44.267652][ T357] ? radix_tree_delete_item+0x24d/0x350 [ 44.273515][ T357] loop_remove+0x46/0xb0 [ 44.277720][ T357] loop_control_ioctl+0x564/0x620 [ 44.282921][ T357] ? loop_remove+0xb0/0xb0 [ 44.287446][ T357] ? __fget_files+0x31e/0x380 [ 44.291980][ T357] ? security_file_ioctl+0x84/0xb0 [ 44.297096][ T357] ? loop_remove+0xb0/0xb0 [ 44.301363][ T357] __se_sys_ioctl+0x114/0x190 [ 44.306511][ T357] __x64_sys_ioctl+0x7b/0x90 [ 44.311219][ T357] do_syscall_64+0x34/0x70 [ 44.315504][ T357] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 44.321435][ T357] RIP: 0033:0x7f78b365dae9 [ 44.326747][ T357] 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 [ 44.346534][ T357] RSP: 002b:00007f78b31e00c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.355112][ T357] RAX: ffffffffffffffda RBX: 00007f78b377cf80 RCX: 00007f78b365dae9 [ 44.363107][ T357] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 44.372012][ T357] RBP: 00007f78b36a947a R08: 0000000000000000 R09: 0000000000000000 [ 44.380410][ T357] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 44.388733][ T357] R13: 000000000000000b R14: 00007f78b377cf80 R15: 00007fff4289f2c8 [ 44.396845][ T357] ---[ end trace 634979bfa1476bc4 ]--- [ 44.402547][ T357] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 44.414671][ T357] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 44.423748][ T357] CPU: 0 PID: 357 Comm: syz-executor.0 Tainted: G W 5.10.199-syzkaller-999684-gd30b996835c0 #0 [ 44.435815][ T357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 [ 44.445988][ T357] RIP: 0010:strlen+0x2c/0x70 [ 44.450400][ T357] Code: 89 e5 41 57 41 56 41 54 53 49 89 fe 48 c7 c0 ff ff ff ff 49 bf 00 00 00 00 00 fc ff df 48 89 fb 49 89 c4 48 89 d8 48 c1 e8 03 <42> 0f b6 04 38 84 c0 75 12 48 ff c3 49 8d 44 24 01 43 80 7c 26 01 [ 44.470118][ T357] RSP: 0018:ffffc90000f37ba8 EFLAGS: 00010246 [ 44.476152][ T357] RAX: 0000000000000000 RBX: 0000000000000000 RCX: dffffc0000000001 [ 44.484054][ T357] RDX: ffff88810b6cbb40 RSI: 0000000000000000 RDI: 0000000000000000 [ 44.491869][ T357] RBP: ffffc90000f37bc8 R08: ffffffff81d2de7b R09: fffff520001e6f79 [ 44.499661][ T357] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffffffffffff [ 44.507575][ T357] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 [ 44.515399][ T357] FS: 00007f78b31e06c0(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 44.524493][ T357] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.530912][ T357] CR2: 00007f78b31bfd58 CR3: 0000000106bdc000 CR4: 00000000003506b0 [ 44.539039][ T357] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.546798][ T357] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.554693][ T357] Call Trace: [ 44.557828][ T357] ? __die_body+0x62/0xb0 [ 44.561985][ T357] ? die_addr+0x9f/0xd0 [ 44.565983][ T357] ? exc_general_protection+0x3ff/0x490 [ 44.571530][ T357] ? asm_exc_general_protection+0x1e/0x30 [ 44.577017][ T357] ? kernfs_find_ns+0x7b/0x4a0 [ 44.581627][ T357] ? strlen+0x2c/0x70 [ 44.585466][ T357] kernfs_find_ns+0x95/0x4a0 [ 44.589860][ T357] kernfs_remove_by_name_ns+0x3a/0x110 [ 44.595158][ T357] sysfs_remove_link+0x50/0x60 [ 44.599752][ T357] del_gendisk+0x87b/0xa90 [ 44.604094][ T357] ? device_add_disk_no_queue_reg+0x30/0x30 [ 44.610346][ T357] ? radix_tree_delete_item+0x24d/0x350 [ 44.615912][ T357] loop_remove+0x46/0xb0 [ 44.620411][ T357] loop_control_ioctl+0x564/0x620 [ 44.625618][ T357] ? loop_remove+0xb0/0xb0 [ 44.630479][ T357] ? __fget_files+0x31e/0x380 [ 44.635082][ T357] ? security_file_ioctl+0x84/0xb0 [ 44.640366][ T357] ? loop_remove+0xb0/0xb0 [ 44.644585][ T357] __se_sys_ioctl+0x114/0x190 [ 44.649126][ T357] __x64_sys_ioctl+0x7b/0x90 [ 44.654447][ T357] do_syscall_64+0x34/0x70 [ 44.658689][ T357] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 44.664873][ T357] RIP: 0033:0x7f78b365dae9 [ 44.669225][ T357] 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 [ 44.689169][ T357] RSP: 002b:00007f78b31e00c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.697451][ T357] RAX: ffffffffffffffda RBX: 00007f78b377cf80 RCX: 00007f78b365dae9 [ 44.705246][ T357] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 44.713020][ T357] RBP: 00007f78b36a947a R08: 0000000000000000 R09: 0000000000000000 [ 44.721103][ T357] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 44.729176][ T357] R13: 000000000000000b R14: 00007f78b377cf80 R15: 00007fff4289f2c8 [ 44.737088][ T357] Modules linked in: [ 44.741107][ T357] ---[ end trace 634979bfa1476bc5 ]--- [ 44.746488][ T357] RIP: 0010:strlen+0x2c/0x70 [ 44.750852][ T357] Code: 89 e5 41 57 41 56 41 54 53 49 89 fe 48 c7 c0 ff ff ff ff 49 bf 00 00 00 00 00 fc ff df 48 89 fb 49 89 c4 48 89 d8 48 c1 e8 03 <42> 0f b6 04 38 84 c0 75 12 48 ff c3 49 8d 44 24 01 43 80 7c 26 01 [ 44.770779][ T357] RSP: 0018:ffffc90000f37ba8 EFLAGS: 00010246 [ 44.777027][ T357] RAX: 0000000000000000 RBX: 0000000000000000 RCX: dffffc0000000001 [ 44.788107][ T357] RDX: ffff88810b6cbb40 RSI: 0000000000000000 RDI: 0000000000000000 [ 44.796156][ T357] RBP: ffffc90000f37bc8 R08: ffffffff81d2de7b R09: fffff520001e6f79 [ 44.804023][ T357] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffffffffffff [ 44.812069][ T357] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 [ 44.819997][ T357] FS: 00007f78b31e06c0(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 44.828888][ T357] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.835469][ T357] CR2: 00007f78b31bfd58 CR3: 0000000106bdc000 CR4: 00000000003506b0 [ 44.843347][ T357] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.851350][ T357] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.859096][ T357] Kernel panic - not syncing: Fatal exception [ 44.865397][ T357] Kernel Offset: disabled [ 44.869533][ T357] Rebooting in 86400 seconds..