Warning: Permanently added '10.128.0.136' (ED25519) to the list of known hosts. executing program [ 20.964461][ T24] audit: type=1400 audit(1696098508.410:66): avc: denied { execmem } for pid=281 comm="syz-executor177" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 20.983676][ T24] audit: type=1400 audit(1696098508.420:67): avc: denied { read } for pid=282 comm="syz-executor177" name="loop-control" dev="devtmpfs" ino=110 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 21.007989][ T24] audit: type=1400 audit(1696098508.420:68): avc: denied { open } for pid=282 comm="syz-executor177" path="/dev/loop-control" dev="devtmpfs" ino=110 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 21.032731][ T24] audit: type=1400 audit(1696098508.420:69): avc: denied { ioctl } for pid=282 comm="syz-executor177" 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 [ 21.037653][ T282] FAULT_INJECTION: forcing a failure. [ 21.037653][ T282] name failslab, interval 1, probability 0, space 0, times 1 [ 21.071182][ T282] CPU: 1 PID: 282 Comm: syz-executor177 Not tainted 5.10.194-syzkaller-00508-ga27512601c2d #0 [ 21.081203][ T282] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 21.091097][ T282] Call Trace: [ 21.094239][ T282] dump_stack_lvl+0x1e2/0x24b [ 21.098739][ T282] ? bfq_pos_tree_add_move+0x43b/0x43b [ 21.104032][ T282] ? ____kasan_kmalloc+0xed/0x110 [ 21.108894][ T282] ? kobj_map+0x64/0x670 [ 21.113059][ T282] ? device_add_disk+0x2a/0x40 [ 21.117658][ T282] ? loop_add+0x580/0x750 [ 21.121824][ T282] ? loop_control_ioctl+0x448/0x620 [ 21.126869][ T282] ? __x64_sys_ioctl+0x7b/0x90 [ 21.131459][ T282] dump_stack+0x15/0x17 [ 21.135453][ T282] should_fail+0x3c6/0x510 [ 21.139707][ T282] ? kvasprintf_const+0x13b/0x190 [ 21.144567][ T282] __should_failslab+0xa4/0xe0 [ 21.149166][ T282] should_failslab+0x9/0x20 [ 21.153507][ T282] __kmalloc_track_caller+0x5f/0x320 [ 21.158627][ T282] kstrdup_const+0x55/0x90 [ 21.162880][ T282] kvasprintf_const+0x13b/0x190 [ 21.167566][ T282] kobject_set_name_vargs+0x61/0x120 [ 21.172688][ T282] dev_set_name+0xd1/0x120 [ 21.176938][ T282] ? __kasan_kmalloc+0x9/0x10 [ 21.181451][ T282] ? get_device+0x30/0x30 [ 21.185618][ T282] ? mutex_unlock+0x1c/0x40 [ 21.189960][ T282] ? kobj_map+0x62f/0x670 [ 21.194124][ T282] __device_add_disk+0x703/0x11a0 [ 21.198988][ T282] ? device_add_disk+0x40/0x40 [ 21.203593][ T282] ? vsprintf+0x40/0x40 [ 21.207586][ T282] ? device_initialize+0x1e1/0x420 [ 21.212529][ T282] device_add_disk+0x2a/0x40 [ 21.216952][ T282] loop_add+0x580/0x750 [ 21.220943][ T282] loop_control_ioctl+0x448/0x620 [ 21.225807][ T282] ? loop_remove+0xb0/0xb0 [ 21.230058][ T282] ? __fdget_pos+0x2ee/0x3a0 [ 21.234485][ T282] ? ksys_write+0x24f/0x2c0 [ 21.238828][ T282] ? security_file_ioctl+0x84/0xb0 [ 21.243782][ T282] ? loop_remove+0xb0/0xb0 [ 21.248024][ T282] __se_sys_ioctl+0x114/0x190 [ 21.252542][ T282] __x64_sys_ioctl+0x7b/0x90 [ 21.256970][ T282] do_syscall_64+0x34/0x70 [ 21.261220][ T282] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 21.266947][ T282] RIP: 0033:0x7fa296912d79 [ 21.271201][ T282] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 b8 ff ff ff f7 d8 64 89 01 48 [ 21.291077][ T282] RSP: 002b:00007ffc4590f358 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 21.299318][ T282] RAX: ffffffffffffffda RBX: 00007ffc4590f370 RCX: 00007fa296912d79 [ 21.307129][ T282] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 21.314949][ T282] RBP: 0000000000000002 R08: 00007ffc4590f0f6 R09: 00000000000000a0 [ 21.322751][ T282] R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000001 [ 21.331172][ T282] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 21.339083][ T282] kobject_add_internal failed for queue (error: -2 parent: (null)) [ 21.347085][ T282] ------------[ cut here ]------------ [ 21.352337][ T282] WARNING: CPU: 1 PID: 282 at fs/sysfs/file.c:328 sysfs_create_files+0x325/0x470 [ 21.361320][ T282] Modules linked in: [ 21.365003][ T282] CPU: 1 PID: 282 Comm: syz-executor177 Not tainted 5.10.194-syzkaller-00508-ga27512601c2d #0 [ 21.375099][ T282] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 21.384982][ T282] RIP: 0010:sysfs_create_files+0x325/0x470 [ 21.390629][ T282] Code: c1 03 38 c1 0f 8c b7 fe ff ff 48 8d 7c 24 70 e8 71 b3 d4 ff e9 a8 fe ff ff e8 07 5f 97 ff 31 db e9 ef 00 00 00 e8 fb 5e 97 ff <0f> 0b bb ea ff ff ff 4c 8b 74 24 08 eb 17 85 db 0f 84 cf 00 00 00 [ 21.410064][ T282] RSP: 0018:ffffc90000987b00 EFLAGS: 00010293 [ 21.415969][ T282] RAX: ffffffff81d34268 RBX: ffff88810968a098 RCX: ffff88811d390000 [ 21.423760][ T282] RDX: 0000000000000000 RSI: ffffffff86950cc0 RDI: ffff88810968a068 [ 21.431600][ T282] RBP: ffffc90000987bd0 R08: ffffffff826f7757 R09: ffffed102159f9de [ 21.439395][ T282] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 21.447215][ T282] R13: ffffffff855f5a60 R14: dffffc0000000000 R15: ffff88810968a068 [ 21.455014][ T282] FS: 0000555555783380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 21.463815][ T282] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 21.470214][ T282] CR2: 00007fa296945c80 CR3: 000000011d497000 CR4: 00000000003506a0 [ 21.478033][ T282] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 21.485857][ T282] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 21.493628][ T282] Call Trace: [ 21.496813][ T282] ? show_regs+0x58/0x60 [ 21.500838][ T282] ? __warn+0x160/0x2f0 [ 21.504829][ T282] ? sysfs_create_files+0x325/0x470 [ 21.509889][ T282] ? report_bug+0x3d9/0x5b0 [ 21.514204][ T282] ? sysfs_create_files+0x325/0x470 [ 21.519264][ T282] ? handle_bug+0x41/0x70 [ 21.523403][ T282] ? exc_invalid_op+0x1b/0x50 [ 21.527941][ T282] ? asm_exc_invalid_op+0x12/0x20 [ 21.532787][ T282] ? kobject_get+0xc7/0x120 [ 21.537147][ T282] ? sysfs_create_files+0x458/0x470 [ 21.542150][ T282] ? sysfs_create_files+0x325/0x470 [ 21.547211][ T282] ? sysfs_create_file_ns+0x2a0/0x2a0 [ 21.552395][ T282] ? __kasan_check_write+0x14/0x20 [ 21.557361][ T282] ? kobject_get+0xd1/0x120 [ 21.561681][ T282] __device_add_disk+0x9a7/0x11a0 [ 21.566566][ T282] ? device_add_disk+0x40/0x40 [ 21.571149][ T282] ? vsprintf+0x40/0x40 [ 21.575132][ T282] ? device_initialize+0x1e1/0x420 [ 21.580101][ T282] device_add_disk+0x2a/0x40 [ 21.584515][ T282] loop_add+0x580/0x750 [ 21.588525][ T282] loop_control_ioctl+0x448/0x620 [ 21.593359][ T282] ? loop_remove+0xb0/0xb0 [ 21.597641][ T282] ? __fdget_pos+0x2ee/0x3a0 [ 21.602041][ T282] ? ksys_write+0x24f/0x2c0 [ 21.606411][ T282] ? security_file_ioctl+0x84/0xb0 [ 21.611326][ T282] ? loop_remove+0xb0/0xb0 [ 21.615577][ T282] __se_sys_ioctl+0x114/0x190 [ 21.620115][ T282] __x64_sys_ioctl+0x7b/0x90 [ 21.624522][ T282] do_syscall_64+0x34/0x70 [ 21.628845][ T282] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 21.634550][ T282] RIP: 0033:0x7fa296912d79 [ 21.638861][ T282] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 b8 ff ff ff f7 d8 64 89 01 48 [ 21.658254][ T282] RSP: 002b:00007ffc4590f358 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 21.666469][ T282] RAX: ffffffffffffffda RBX: 00007ffc4590f370 RCX: 00007fa296912d79 [ 21.674252][ T282] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 21.682088][ T282] RBP: 0000000000000002 R08: 00007ffc4590f0f6 R09: 00000000000000a0 [ 21.689888][ T282] R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000001 [ 21.697710][ T282] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 21.705501][ T282] ---[ end trace dd3b9686f28fe173 ]--- [ 21.710860][ T282] ------------[ cut here ]------------ [ 21.716094][ T282] kernfs: can not remove 'events', no directory [ 21.722205][ T282] WARNING: CPU: 1 PID: 282 at fs/kernfs/dir.c:1517 kernfs_remove_by_name_ns+0xbf/0x110 [ 21.731649][ T282] Modules linked in: [ 21.735357][ T282] CPU: 1 PID: 282 Comm: syz-executor177 Tainted: G W 5.10.194-syzkaller-00508-ga27512601c2d #0 [ 21.746834][ T282] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 21.756725][ T282] RIP: 0010:kernfs_remove_by_name_ns+0xbf/0x110 [ 21.762781][ T282] Code: ff 03 48 89 df e8 d1 ef ff ff 48 89 df e8 a9 b3 ff ff 31 db eb 27 e8 d0 bd 97 ff 48 c7 c7 40 b7 4a 85 4c 89 fe e8 21 54 6b ff <0f> 0b bb fe ff ff ff eb 16 e8 b3 bd 97 ff bb fe ff ff ff 48 c7 c7 [ 21.782558][ T282] RSP: 0018:ffffc90000987ad8 EFLAGS: 00010246 [ 21.788472][ T282] RAX: c4dbc65d5216f000 RBX: 0000000000000000 RCX: ffff88811d390000 [ 21.796247][ T282] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 21.804046][ T282] RBP: ffffc90000987af0 R08: ffffffff81521888 R09: ffffed103ee24e93 [ 21.811886][ T282] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 21.819688][ T282] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff855f5b20 [ 21.827512][ T282] FS: 0000555555783380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 21.836260][ T282] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 21.842669][ T282] CR2: 00007fa296945c80 CR3: 000000011d497000 CR4: 00000000003506a0 [ 21.850518][ T282] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 21.858304][ T282] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 21.866131][ T282] Call Trace: [ 21.869245][ T282] ? show_regs+0x58/0x60 [ 21.873315][ T282] ? __warn+0x160/0x2f0 [ 21.877344][ T282] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 21.882785][ T282] ? report_bug+0x3d9/0x5b0 [ 21.887140][ T282] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 21.892584][ T282] ? handle_bug+0x41/0x70 [ 21.896772][ T282] ? exc_invalid_op+0x1b/0x50 [ 21.901261][ T282] ? asm_exc_invalid_op+0x12/0x20 [ 21.906149][ T282] ? wake_up_klogd+0xb8/0xf0 [ 21.910547][ T282] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 21.916036][ T282] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 21.921482][ T282] sysfs_create_files+0x3de/0x470 [ 21.926364][ T282] ? sysfs_create_file_ns+0x2a0/0x2a0 [ 21.931552][ T282] ? __kasan_check_write+0x14/0x20 [ 21.936524][ T282] ? kobject_get+0xd1/0x120 [ 21.940838][ T282] __device_add_disk+0x9a7/0x11a0 [ 21.945724][ T282] ? device_add_disk+0x40/0x40 [ 21.950305][ T282] ? vsprintf+0x40/0x40 [ 21.954290][ T282] ? device_initialize+0x1e1/0x420 [ 21.959272][ T282] device_add_disk+0x2a/0x40 [ 21.963663][ T282] loop_add+0x580/0x750 [ 21.967684][ T282] loop_control_ioctl+0x448/0x620 [ 21.972517][ T282] ? loop_remove+0xb0/0xb0 [ 21.976796][ T282] ? __fdget_pos+0x2ee/0x3a0 [ 21.981199][ T282] ? ksys_write+0x24f/0x2c0 [ 21.985536][ T282] ? security_file_ioctl+0x84/0xb0 [ 21.990508][ T282] ? loop_remove+0xb0/0xb0 [ 21.994736][ T282] __se_sys_ioctl+0x114/0x190 [ 21.999272][ T282] __x64_sys_ioctl+0x7b/0x90 [ 22.003677][ T282] do_syscall_64+0x34/0x70 [ 22.007954][ T282] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 22.013661][ T282] RIP: 0033:0x7fa296912d79 [ 22.017935][ T282] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 b8 ff ff ff f7 d8 64 89 01 48 [ 22.037381][ T282] RSP: 002b:00007ffc4590f358 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 22.045595][ T282] RAX: ffffffffffffffda RBX: 00007ffc4590f370 RCX: 00007fa296912d79 [ 22.053431][ T282] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 22.061230][ T282] RBP: 0000000000000002 R08: 00007ffc4590f0f6 R09: 00000000000000a0 executing program [ 22.069217][ T282] R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000001 [ 22.077042][ T282] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 22.084794][ T282] ---[ end trace dd3b9686f28fe174 ]--- [ 22.090110][ T282] loop0: failed to create sysfs files for events [ 22.097795][ T285] ------------[ cut here ]------------ [ 22.103049][ T285] kernfs: can not remove 'events', no directory [ 22.109222][ T285] WARNING: CPU: 1 PID: 285 at fs/kernfs/dir.c:1517 kernfs_remove_by_name_ns+0xbf/0x110 [ 22.118605][ T285] Modules linked in: [ 22.122319][ T285] CPU: 1 PID: 285 Comm: syz-executor177 Tainted: G W 5.10.194-syzkaller-00508-ga27512601c2d #0 [ 22.133795][ T285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 22.143689][ T285] RIP: 0010:kernfs_remove_by_name_ns+0xbf/0x110 [ 22.149769][ T285] Code: ff 03 48 89 df e8 d1 ef ff ff 48 89 df e8 a9 b3 ff ff 31 db eb 27 e8 d0 bd 97 ff 48 c7 c7 40 b7 4a 85 4c 89 fe e8 21 54 6b ff <0f> 0b bb fe ff ff ff eb 16 e8 b3 bd 97 ff bb fe ff ff ff 48 c7 c7 [ 22.169203][ T285] RSP: 0018:ffffc90000b37c18 EFLAGS: 00010246 [ 22.175088][ T285] RAX: 9d15bead3d7c0000 RBX: 0000000000000000 RCX: ffff88811d3e4f00 [ 22.182922][ T285] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 22.190725][ T285] RBP: ffffc90000b37c30 R08: ffffffff81521888 R09: fffff52000166e99 [ 22.198545][ T285] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 22.206344][ T285] R13: ffffffff86950cc0 R14: 0000000000000000 R15: ffffffff855f5b20 [ 22.214149][ T285] FS: 0000555555783380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 22.222938][ T285] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.229351][ T285] CR2: 00007fa29698a0d0 CR3: 000000011ccc2000 CR4: 00000000003506a0 [ 22.237177][ T285] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 22.244961][ T285] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 22.252796][ T285] Call Trace: [ 22.255929][ T285] ? show_regs+0x58/0x60 [ 22.259977][ T285] ? __warn+0x160/0x2f0 [ 22.263967][ T285] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 22.269485][ T285] ? report_bug+0x3d9/0x5b0 [ 22.273776][ T285] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 22.279272][ T285] ? handle_bug+0x41/0x70 [ 22.283412][ T285] ? exc_invalid_op+0x1b/0x50 [ 22.287952][ T285] ? asm_exc_invalid_op+0x12/0x20 [ 22.292789][ T285] ? wake_up_klogd+0xb8/0xf0 [ 22.297236][ T285] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 22.302680][ T285] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 22.308168][ T285] sysfs_remove_files+0xa5/0x100 [ 22.312920][ T285] del_gendisk+0x248/0xa90 [ 22.317203][ T285] ? device_add_disk_no_queue_reg+0x30/0x30 [ 22.322904][ T285] ? radix_tree_delete_item+0x24d/0x350 [ 22.328306][ T285] loop_remove+0x46/0xb0 [ 22.332362][ T285] loop_control_ioctl+0x564/0x620 [ 22.337252][ T285] ? loop_remove+0xb0/0xb0 [ 22.341491][ T285] ? down_read_trylock+0x179/0x1d0 [ 22.346481][ T285] ? security_file_ioctl+0x84/0xb0 [ 22.351372][ T285] ? loop_remove+0xb0/0xb0 [ 22.355623][ T285] __se_sys_ioctl+0x114/0x190 [ 22.360175][ T285] __x64_sys_ioctl+0x7b/0x90 [ 22.364565][ T285] do_syscall_64+0x34/0x70 [ 22.368860][ T285] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 22.374545][ T285] RIP: 0033:0x7fa296912d79 [ 22.378819][ T285] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 b8 ff ff ff f7 d8 64 89 01 48 [ 22.398821][ T285] RSP: 002b:00007ffc4590f358 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 22.407069][ T285] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa296912d79 [ 22.414859][ T285] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 22.422693][ T285] RBP: 00000000000051d5 R08: 00000000000000a0 R09: 00000000000000a0 [ 22.430493][ T285] R10: 00000000000000a0 R11: 0000000000000246 R12: 00007ffc4590f36c [ 22.438305][ T285] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 22.446111][ T285] ---[ end trace dd3b9686f28fe175 ]--- [ 22.451393][ T285] ------------[ cut here ]------------ [ 22.456705][ T285] kernfs: can not remove 'events_async', no directory [ 22.463322][ T285] WARNING: CPU: 1 PID: 285 at fs/kernfs/dir.c:1517 kernfs_remove_by_name_ns+0xbf/0x110 [ 22.472772][ T285] Modules linked in: [ 22.476495][ T285] CPU: 1 PID: 285 Comm: syz-executor177 Tainted: G W 5.10.194-syzkaller-00508-ga27512601c2d #0 [ 22.488041][ T285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 22.497933][ T285] RIP: 0010:kernfs_remove_by_name_ns+0xbf/0x110 [ 22.503991][ T285] Code: ff 03 48 89 df e8 d1 ef ff ff 48 89 df e8 a9 b3 ff ff 31 db eb 27 e8 d0 bd 97 ff 48 c7 c7 40 b7 4a 85 4c 89 fe e8 21 54 6b ff <0f> 0b bb fe ff ff ff eb 16 e8 b3 bd 97 ff bb fe ff ff ff 48 c7 c7 [ 22.523456][ T285] RSP: 0018:ffffc90000b37c18 EFLAGS: 00010246 [ 22.529351][ T285] RAX: 9d15bead3d7c0000 RBX: 0000000000000000 RCX: ffff88811d3e4f00 [ 22.537165][ T285] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 22.544962][ T285] RBP: ffffc90000b37c30 R08: ffffffff81521888 R09: ffffed103ee2a600 [ 22.552791][ T285] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 22.560594][ T285] R13: ffffffff86950cc0 R14: 0000000000000000 R15: ffffffff855f5bc0 [ 22.568415][ T285] FS: 0000555555783380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 22.577180][ T285] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.583587][ T285] CR2: 00007fa29698a0d0 CR3: 000000011ccc2000 CR4: 00000000003506a0 [ 22.591434][ T285] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 22.599216][ T285] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 22.607035][ T285] Call Trace: [ 22.610147][ T285] ? show_regs+0x58/0x60 [ 22.614223][ T285] ? __warn+0x160/0x2f0 [ 22.618250][ T285] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 22.623685][ T285] ? report_bug+0x3d9/0x5b0 [ 22.628051][ T285] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 22.633495][ T285] ? handle_bug+0x41/0x70 [ 22.637681][ T285] ? exc_invalid_op+0x1b/0x50 [ 22.642174][ T285] ? asm_exc_invalid_op+0x12/0x20 [ 22.647059][ T285] ? wake_up_klogd+0xb8/0xf0 [ 22.651463][ T285] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 22.656949][ T285] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 22.662395][ T285] sysfs_remove_files+0xa5/0x100 [ 22.667190][ T285] del_gendisk+0x248/0xa90 [ 22.671430][ T285] ? device_add_disk_no_queue_reg+0x30/0x30 [ 22.677177][ T285] ? radix_tree_delete_item+0x24d/0x350 [ 22.682531][ T285] loop_remove+0x46/0xb0 [ 22.686636][ T285] loop_control_ioctl+0x564/0x620 [ 22.691473][ T285] ? loop_remove+0xb0/0xb0 [ 22.695757][ T285] ? down_read_trylock+0x179/0x1d0 [ 22.700670][ T285] ? security_file_ioctl+0x84/0xb0 [ 22.705617][ T285] ? loop_remove+0xb0/0xb0 [ 22.709898][ T285] __se_sys_ioctl+0x114/0x190 [ 22.714387][ T285] __x64_sys_ioctl+0x7b/0x90 [ 22.718836][ T285] do_syscall_64+0x34/0x70 [ 22.723066][ T285] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 22.728811][ T285] RIP: 0033:0x7fa296912d79 [ 22.733051][ T285] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 b8 ff ff ff f7 d8 64 89 01 48 [ 22.752514][ T285] RSP: 002b:00007ffc4590f358 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 22.760745][ T285] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa296912d79 [ 22.768566][ T285] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 22.776362][ T285] RBP: 00000000000051d5 R08: 00000000000000a0 R09: 00000000000000a0 [ 22.784172][ T285] R10: 00000000000000a0 R11: 0000000000000246 R12: 00007ffc4590f36c [ 22.792002][ T285] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 22.799797][ T285] ---[ end trace dd3b9686f28fe176 ]--- [ 22.805080][ T285] ------------[ cut here ]------------ [ 22.810395][ T285] kernfs: can not remove 'events_poll_msecs', no directory [ 22.817458][ T285] WARNING: CPU: 1 PID: 285 at fs/kernfs/dir.c:1517 kernfs_remove_by_name_ns+0xbf/0x110 [ 22.826923][ T285] Modules linked in: [ 22.830601][ T285] CPU: 1 PID: 285 Comm: syz-executor177 Tainted: G W 5.10.194-syzkaller-00508-ga27512601c2d #0 [ 22.842093][ T285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 22.851981][ T285] RIP: 0010:kernfs_remove_by_name_ns+0xbf/0x110 [ 22.858049][ T285] Code: ff 03 48 89 df e8 d1 ef ff ff 48 89 df e8 a9 b3 ff ff 31 db eb 27 e8 d0 bd 97 ff 48 c7 c7 40 b7 4a 85 4c 89 fe e8 21 54 6b ff <0f> 0b bb fe ff ff ff eb 16 e8 b3 bd 97 ff bb fe ff ff ff 48 c7 c7 [ 22.877481][ T285] RSP: 0018:ffffc90000b37c18 EFLAGS: 00010246 [ 22.883369][ T285] RAX: 9d15bead3d7c0000 RBX: 0000000000000000 RCX: ffff88811d3e4f00 [ 22.891213][ T285] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 22.899014][ T285] RBP: ffffc90000b37c30 R08: ffffffff81521888 R09: ffffed103ee2a600 [ 22.906855][ T285] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 22.914619][ T285] R13: ffffffff86950cc0 R14: 0000000000000000 R15: ffffffff855f5be0 [ 22.922467][ T285] FS: 0000555555783380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 22.931204][ T285] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.937640][ T285] CR2: 00007fa29698a0d0 CR3: 000000011ccc2000 CR4: 00000000003506a0 [ 22.945439][ T285] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 22.953272][ T285] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 22.961059][ T285] Call Trace: [ 22.964180][ T285] ? show_regs+0x58/0x60 [ 22.968277][ T285] ? __warn+0x160/0x2f0 [ 22.972252][ T285] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 22.977746][ T285] ? report_bug+0x3d9/0x5b0 [ 22.982057][ T285] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 22.987548][ T285] ? handle_bug+0x41/0x70 [ 22.991692][ T285] ? exc_invalid_op+0x1b/0x50 [ 22.996228][ T285] ? asm_exc_invalid_op+0x12/0x20 [ 23.001066][ T285] ? wake_up_klogd+0xb8/0xf0 [ 23.005495][ T285] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 23.010992][ T285] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 23.016453][ T285] sysfs_remove_files+0xa5/0x100 [ 23.021200][ T285] del_gendisk+0x248/0xa90 [ 23.025452][ T285] ? device_add_disk_no_queue_reg+0x30/0x30 [ 23.031208][ T285] ? radix_tree_delete_item+0x24d/0x350 [ 23.036573][ T285] loop_remove+0x46/0xb0 [ 23.040642][ T285] loop_control_ioctl+0x564/0x620 [ 23.045501][ T285] ? loop_remove+0xb0/0xb0 [ 23.049782][ T285] ? down_read_trylock+0x179/0x1d0 [ 23.054707][ T285] ? security_file_ioctl+0x84/0xb0 [ 23.059677][ T285] ? loop_remove+0xb0/0xb0 [ 23.063905][ T285] __se_sys_ioctl+0x114/0x190 [ 23.068465][ T285] __x64_sys_ioctl+0x7b/0x90 [ 23.072847][ T285] do_syscall_64+0x34/0x70 [ 23.077118][ T285] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 23.082829][ T285] RIP: 0033:0x7fa296912d79 [ 23.087099][ T285] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 b8 ff ff ff f7 d8 64 89 01 48 [ 23.106531][ T285] RSP: 002b:00007ffc4590f358 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 23.114762][ T285] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa296912d79 [ 23.122599][ T285] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 23.130413][ T285] RBP: 00000000000051d5 R08: 00000000000000a0 R09: 00000000000000a0 [ 23.138220][ T285] R10: 00000000000000a0 R11: 0000000000000246 R12: 00007ffc4590f36c [ 23.146020][ T285] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 23.153823][ T285] ---[ end trace dd3b9686f28fe177 ]--- [ 23.159177][ T285] ------------[ cut here ]------------ [ 23.164410][ T285] kernfs: can not remove 'bdi', no directory [ 23.170319][ T285] WARNING: CPU: 1 PID: 285 at fs/kernfs/dir.c:1517 kernfs_remove_by_name_ns+0xbf/0x110 [ 23.179700][ T285] Modules linked in: [ 23.183423][ T285] CPU: 1 PID: 285 Comm: syz-executor177 Tainted: G W 5.10.194-syzkaller-00508-ga27512601c2d #0 [ 23.194900][ T285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 23.204788][ T285] RIP: 0010:kernfs_remove_by_name_ns+0xbf/0x110 [ 23.210868][ T285] Code: ff 03 48 89 df e8 d1 ef ff ff 48 89 df e8 a9 b3 ff ff 31 db eb 27 e8 d0 bd 97 ff 48 c7 c7 40 b7 4a 85 4c 89 fe e8 21 54 6b ff <0f> 0b bb fe ff ff ff eb 16 e8 b3 bd 97 ff bb fe ff ff ff 48 c7 c7 [ 23.230301][ T285] RSP: 0018:ffffc90000b37c38 EFLAGS: 00010246 [ 23.236216][ T285] RAX: 9d15bead3d7c0000 RBX: 0000000000000000 RCX: ffff88811d3e4f00 [ 23.243999][ T285] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 23.251842][ T285] RBP: ffffc90000b37c50 R08: ffffffff81521888 R09: fffff52000166e9d [ 23.259643][ T285] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88810968a478 [ 23.267454][ T285] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff855f5440 [ 23.275248][ T285] FS: 0000555555783380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 23.284033][ T285] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.290451][ T285] CR2: 00007fa29698a0d0 CR3: 000000011ccc2000 CR4: 00000000003506a0 [ 23.298272][ T285] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 23.306086][ T285] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 23.313866][ T285] Call Trace: [ 23.317044][ T285] ? show_regs+0x58/0x60 [ 23.321078][ T285] ? __warn+0x160/0x2f0 [ 23.325067][ T285] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 23.330562][ T285] ? report_bug+0x3d9/0x5b0 [ 23.334877][ T285] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 23.340368][ T285] ? handle_bug+0x41/0x70 [ 23.344511][ T285] ? exc_invalid_op+0x1b/0x50 [ 23.349046][ T285] ? asm_exc_invalid_op+0x12/0x20 [ 23.353891][ T285] ? wake_up_klogd+0xb8/0xf0 [ 23.358340][ T285] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 23.363778][ T285] ? kernfs_remove_by_name_ns+0xbf/0x110 [ 23.369275][ T285] sysfs_remove_link+0x50/0x60 [ 23.373847][ T285] del_gendisk+0x477/0xa90 [ 23.378122][ T285] ? device_add_disk_no_queue_reg+0x30/0x30 [ 23.383831][ T285] ? radix_tree_delete_item+0x24d/0x350 [ 23.389253][ T285] loop_remove+0x46/0xb0 [ 23.393290][ T285] loop_control_ioctl+0x564/0x620 [ 23.398171][ T285] ? loop_remove+0xb0/0xb0 [ 23.402418][ T285] ? down_read_trylock+0x179/0x1d0 [ 23.407376][ T285] ? security_file_ioctl+0x84/0xb0 [ 23.412301][ T285] ? loop_remove+0xb0/0xb0 [ 23.416575][ T285] __se_sys_ioctl+0x114/0x190 [ 23.421065][ T285] __x64_sys_ioctl+0x7b/0x90 [ 23.425492][ T285] do_syscall_64+0x34/0x70 [ 23.429771][ T285] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 23.435472][ T285] RIP: 0033:0x7fa296912d79 [ 23.439747][ T285] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 b8 ff ff ff f7 d8 64 89 01 48 [ 23.459190][ T285] RSP: 002b:00007ffc4590f358 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 23.467436][ T285] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa296912d79 [ 23.475229][ T285] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 23.483058][ T285] RBP: 00000000000051d5 R08: 00000000000000a0 R09: 00000000000000a0 [ 23.490861][ T285] R10: 00000000000000a0 R11: 0000000000000246 R12: 00007ffc4590f36c [ 23.498677][ T285] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 23.506481][ T285] ---[ end trace dd3b9686f28fe178 ]--- [ 23.512079][ T285] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 23.523580][ T285] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 23.531829][ T285] CPU: 1 PID: 285 Comm: syz-executor177 Tainted: G W 5.10.194-syzkaller-00508-ga27512601c2d #0 [ 23.543279][ T285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 23.553182][ T285] RIP: 0010:strlen+0x2c/0x70 [ 23.557610][ T285] 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 [ 23.577131][ T285] RSP: 0018:ffffc90000b37ba8 EFLAGS: 00010246 [ 23.583035][ T285] RAX: 0000000000000000 RBX: 0000000000000000 RCX: dffffc0000000001 [ 23.590843][ T285] RDX: ffff88811d3e4f00 RSI: 0000000000000000 RDI: 0000000000000000 [ 23.598661][ T285] RBP: ffffc90000b37bc8 R08: ffffffff81d2b6cb R09: fffff52000166f79 [ 23.606468][ T285] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffffffffffff [ 23.614278][ T285] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 [ 23.622103][ T285] FS: 0000555555783380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 23.630862][ T285] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.637281][ T285] CR2: 00007fa29698a0d0 CR3: 000000011ccc2000 CR4: 00000000003506a0 [ 23.645095][ T285] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 23.652903][ T285] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 23.660711][ T285] Call Trace: [ 23.663846][ T285] ? __die_body+0x62/0xb0 [ 23.668007][ T285] ? die_addr+0x9f/0xd0 [ 23.672001][ T285] ? exc_general_protection+0x3ff/0x490 [ 23.677392][ T285] ? asm_exc_general_protection+0x1e/0x30 [ 23.682940][ T285] ? kernfs_find_ns+0x7b/0x4a0 [ 23.687536][ T285] ? strlen+0x2c/0x70 [ 23.691356][ T285] kernfs_find_ns+0x95/0x4a0 [ 23.695782][ T285] kernfs_remove_by_name_ns+0x3a/0x110 [ 23.701075][ T285] sysfs_remove_link+0x50/0x60 [ 23.705679][ T285] del_gendisk+0x87b/0xa90 [ 23.710285][ T285] ? device_add_disk_no_queue_reg+0x30/0x30 [ 23.716008][ T285] ? radix_tree_delete_item+0x24d/0x350 [ 23.721389][ T285] loop_remove+0x46/0xb0 [ 23.725468][ T285] loop_control_ioctl+0x564/0x620 [ 23.730324][ T285] ? loop_remove+0xb0/0xb0 [ 23.734580][ T285] ? down_read_trylock+0x179/0x1d0 [ 23.739528][ T285] ? security_file_ioctl+0x84/0xb0 [ 23.744479][ T285] ? loop_remove+0xb0/0xb0 [ 23.748728][ T285] __se_sys_ioctl+0x114/0x190 [ 23.753245][ T285] __x64_sys_ioctl+0x7b/0x90 [ 23.757696][ T285] do_syscall_64+0x34/0x70 [ 23.761927][ T285] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 23.767650][ T285] RIP: 0033:0x7fa296912d79 [ 23.771901][ T285] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 b8 ff ff ff f7 d8 64 89 01 48 [ 23.791347][ T285] RSP: 002b:00007ffc4590f358 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 23.799586][ T285] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa296912d79 [ 23.807408][ T285] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004 [ 23.815209][ T285] RBP: 00000000000051d5 R08: 00000000000000a0 R09: 00000000000000a0 [ 23.823023][ T285] R10: 00000000000000a0 R11: 0000000000000246 R12: 00007ffc4590f36c [ 23.830831][ T285] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 23.838643][ T285] Modules linked in: [ 23.842468][ T285] ---[ end trace dd3b9686f28fe179 ]--- [ 23.847709][ T285] RIP: 0010:strlen+0x2c/0x70 [ 23.852101][ T285] 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 [ 23.871571][ T285] RSP: 0018:ffffc90000b37ba8 EFLAGS: 00010246 [ 23.877457][ T285] RAX: 0000000000000000 RBX: 0000000000000000 RCX: dffffc0000000001 [ 23.885251][ T285] RDX: ffff88811d3e4f00 RSI: 0000000000000000 RDI: 0000000000000000 [ 23.893091][ T285] RBP: ffffc90000b37bc8 R08: ffffffff81d2b6cb R09: fffff52000166f79 [ 23.900893][ T285] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffffffffffff [ 23.908706][ T285] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 [ 23.916512][ T285] FS: 0000555555783380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 23.925269][ T285] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.931713][ T285] CR2: 00007fa29698a0d0 CR3: 000000011ccc2000 CR4: 00000000003506a0 [ 23.939514][ T285] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 23.947334][ T285] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 23.955121][ T285] Kernel panic - not syncing: Fatal exception [ 23.961172][ T285] Kernel Offset: disabled [ 23.965289][ T285] Rebooting in 86400 seconds..