Warning: Permanently added '10.128.0.165' (ECDSA) to the list of known hosts. executing program [ 29.437776][ T3032] block nbd0: Device being setup by another task [ 29.599407][ T3031] block nbd0: shutting down sockets executing program [ 29.701031][ T3036] kobject: can not set name properly! [ 29.818676][ T3036] block nbd0: shutting down sockets executing program [ 29.888394][ T3039] debugfs: out of free dentries, can not create file 'blocksize_bits' [ 30.048610][ T3039] block nbd0: shutting down sockets executing program [ 30.148457][ T3041] debugfs: out of free dentries, can not create file 'blocksize_bits' [ 30.308413][ T3041] block nbd0: shutting down sockets executing program [ 30.388468][ T3043] debugfs: out of free dentries, can not create file 'blocksize_bits' [ 30.548603][ T3043] block nbd0: shutting down sockets executing program [ 30.638454][ T3045] debugfs: out of free dentries, can not create file 'blocksize_bits' [ 30.798545][ T3045] block nbd0: shutting down sockets executing program [ 30.878409][ T3047] debugfs: out of free dentries, can not create file 'blocksize_bits' [ 31.038148][ T3047] block nbd0: shutting down sockets executing program [ 31.118387][ T3049] debugfs: out of free dentries, can not create file 'blocksize_bits' [ 31.278840][ T3049] block nbd0: shutting down sockets executing program [ 31.378461][ T3051] debugfs: out of free dentries, can not create file 'blocksize_bits' [ 31.538705][ T3051] block nbd0: shutting down sockets executing program [ 31.657795][ T3054] block nbd0: Device being setup by another task [ 31.700858][ T3053] ------------[ cut here ]------------ [ 31.702252][ T3053] kernfs: can not remove 'nr_tags', no directory [ 31.703841][ T3053] WARNING: CPU: 1 PID: 3053 at fs/kernfs/dir.c:1580 kernfs_remove_by_name_ns+0x84/0xb8 [ 31.705946][ T3053] Modules linked in: [ 31.706815][ T3053] CPU: 1 PID: 3053 Comm: syz-executor232 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 31.709201][ T3053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 31.711499][ T3053] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 31.713286][ T3053] pc : kernfs_remove_by_name_ns+0x84/0xb8 [ 31.714635][ T3053] lr : kernfs_remove_by_name_ns+0x84/0xb8 [ 31.715980][ T3053] sp : ffff800012713a60 [ 31.716974][ T3053] x29: ffff800012713a60 x28: ffff80000cf01000 x27: ffff0000c5252908 [ 31.718830][ T3053] x26: ffff0000c5252908 x25: ffff800012713b88 x24: ffff0000c8f38d80 [ 31.720685][ T3053] x23: ffff0000c4ce0000 x22: 0000000000000000 x21: 0000000000000000 [ 31.722590][ T3053] x20: ffff80000cc5b39c x19: 0000000000000000 x18: 00000000000000c0 [ 31.724368][ T3053] x17: ffff80000dd0b198 x16: ffff80000db49158 x15: ffff0000c7671a80 [ 31.726475][ T3053] x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c7671a80 [ 31.728458][ T3053] x11: ff808000081c0d5c x10: 0000000000000000 x9 : 47d6d2f616dd0600 [ 31.730455][ T3053] x8 : 47d6d2f616dd0600 x7 : ffff80000819545c x6 : 0000000000000000 [ 31.732343][ T3053] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 31.734269][ T3053] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 000000000000002e [ 31.736087][ T3053] Call trace: [ 31.736885][ T3053] kernfs_remove_by_name_ns+0x84/0xb8 [ 31.738130][ T3053] sysfs_remove_group+0x68/0x160 [ 31.739366][ T3053] sysfs_remove_groups+0x3c/0x78 [ 31.740660][ T3053] __kobject_del+0x34/0x1f8 [ 31.741848][ T3053] kobject_del+0x28/0x110 [ 31.742996][ T3053] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 31.744610][ T3053] blk_mq_update_nr_hw_queues+0x254/0x6e0 [ 31.746095][ T3053] nbd_start_device+0xc4/0x500 [ 31.747363][ T3053] nbd_start_device_ioctl+0x3c/0x25c [ 31.748789][ T3053] __nbd_ioctl+0x16c/0x334 [ 31.749938][ T3053] nbd_ioctl+0xec/0x13c [ 31.750877][ T3053] blkdev_ioctl+0x24c/0x6d8 [ 31.751991][ T3053] __arm64_sys_ioctl+0xd0/0x140 [ 31.753112][ T3053] el0_svc_common+0x138/0x220 [ 31.754271][ T3053] do_el0_svc+0x48/0x164 [ 31.755285][ T3053] el0_svc+0x58/0x150 [ 31.756233][ T3053] el0t_64_sync_handler+0x84/0xf0 [ 31.757486][ T3053] el0t_64_sync+0x18c/0x190 [ 31.758544][ T3053] irq event stamp: 2750 [ 31.759525][ T3053] hardirqs last enabled at (2749): [] __up_console_sem+0xb0/0xfc [ 31.761755][ T3053] hardirqs last disabled at (2750): [] el1_dbg+0x24/0x5c [ 31.763865][ T3053] softirqs last enabled at (222): [] local_bh_enable+0x10/0x34 [ 31.766130][ T3053] softirqs last disabled at (220): [] local_bh_disable+0x10/0x34 [ 31.768634][ T3053] ---[ end trace 0000000000000000 ]--- [ 31.770103][ T3053] ------------[ cut here ]------------ [ 31.771321][ T3053] kernfs: can not remove 'nr_reserved_tags', no directory [ 31.773010][ T3053] WARNING: CPU: 1 PID: 3053 at fs/kernfs/dir.c:1580 kernfs_remove_by_name_ns+0x84/0xb8 [ 31.775189][ T3053] Modules linked in: [ 31.776091][ T3053] CPU: 1 PID: 3053 Comm: syz-executor232 Tainted: G W 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 31.778994][ T3053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 31.781380][ T3053] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 31.783214][ T3053] pc : kernfs_remove_by_name_ns+0x84/0xb8 [ 31.784515][ T3053] lr : kernfs_remove_by_name_ns+0x84/0xb8 [ 31.785835][ T3053] sp : ffff800012713a60 [ 31.786879][ T3053] x29: ffff800012713a60 x28: ffff80000cf01000 x27: ffff0000c5252908 [ 31.788840][ T3053] x26: ffff0000c5252908 x25: ffff800012713b88 x24: ffff0000c8f38d80 [ 31.790776][ T3053] x23: ffff0000c4ce0000 x22: 0000000000000000 x21: 0000000000000000 [ 31.792638][ T3053] x20: ffff80000cc5b3a4 x19: 0000000000000000 x18: 00000000000000c0 [ 31.794552][ T3053] x17: ffff80000dd0b198 x16: ffff80000db49158 x15: ffff0000c7671a80 [ 31.796443][ T3053] x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c7671a80 [ 31.798317][ T3053] x11: ff808000081c0d5c x10: 0000000000000000 x9 : 47d6d2f616dd0600 [ 31.800231][ T3053] x8 : 47d6d2f616dd0600 x7 : ffff80000819545c x6 : 0000000000000000 [ 31.802144][ T3053] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 31.804075][ T3053] x2 : ffff0001fefddcd0 x1 : 0000000100000000 x0 : 0000000000000037 [ 31.805956][ T3053] Call trace: [ 31.806729][ T3053] kernfs_remove_by_name_ns+0x84/0xb8 [ 31.808081][ T3053] sysfs_remove_group+0x68/0x160 [ 31.809204][ T3053] sysfs_remove_groups+0x3c/0x78 [ 31.810401][ T3053] __kobject_del+0x34/0x1f8 [ 31.811385][ T3053] kobject_del+0x28/0x110 [ 31.812466][ T3053] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 31.813840][ T3053] blk_mq_update_nr_hw_queues+0x254/0x6e0 [ 31.815202][ T3053] nbd_start_device+0xc4/0x500 [ 31.816386][ T3053] nbd_start_device_ioctl+0x3c/0x25c [ 31.817545][ T3053] __nbd_ioctl+0x16c/0x334 [ 31.818580][ T3053] nbd_ioctl+0xec/0x13c [ 31.819467][ T3053] blkdev_ioctl+0x24c/0x6d8 [ 31.820527][ T3053] __arm64_sys_ioctl+0xd0/0x140 [ 31.821575][ T3053] el0_svc_common+0x138/0x220 [ 31.822645][ T3053] do_el0_svc+0x48/0x164 [ 31.823620][ T3053] el0_svc+0x58/0x150 [ 31.824567][ T3053] el0t_64_sync_handler+0x84/0xf0 [ 31.825794][ T3053] el0t_64_sync+0x18c/0x190 [ 31.826889][ T3053] irq event stamp: 2796 [ 31.827893][ T3053] hardirqs last enabled at (2795): [] __up_console_sem+0xb0/0xfc [ 31.830100][ T3053] hardirqs last disabled at (2796): [] el1_dbg+0x24/0x5c [ 31.832090][ T3053] softirqs last enabled at (2774): [] _stext+0x2e4/0x37c [ 31.834181][ T3053] softirqs last disabled at (2753): [] ____do_softirq+0x14/0x20 [ 31.836403][ T3053] ---[ end trace 0000000000000000 ]--- [ 31.837766][ T3053] ------------[ cut here ]------------ [ 31.839055][ T3053] kernfs: can not remove 'cpu_list', no directory [ 31.840615][ T3053] WARNING: CPU: 1 PID: 3053 at fs/kernfs/dir.c:1580 kernfs_remove_by_name_ns+0x84/0xb8 [ 31.842829][ T3053] Modules linked in: [ 31.843710][ T3053] CPU: 1 PID: 3053 Comm: syz-executor232 Tainted: G W 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 31.846473][ T3053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 31.849063][ T3053] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 31.851112][ T3053] pc : kernfs_remove_by_name_ns+0x84/0xb8 [ 31.852602][ T3053] lr : kernfs_remove_by_name_ns+0x84/0xb8 [ 31.853960][ T3053] sp : ffff800012713a60 [ 31.854859][ T3053] x29: ffff800012713a60 x28: ffff80000cf01000 x27: ffff0000c5252908 [ 31.856606][ T3053] x26: ffff0000c5252908 x25: ffff800012713b88 x24: ffff0000c8f38d80 [ 31.858388][ T3053] x23: ffff0000c4ce0000 x22: 0000000000000000 x21: 0000000000000000 [ 31.860181][ T3053] x20: ffff80000cca5e6c x19: 0000000000000000 x18: 00000000000000c0 [ 31.862179][ T3053] x17: ffff80000dd0b198 x16: ffff80000db49158 x15: ffff0000c7671a80 [ 31.863912][ T3053] x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c7671a80 [ 31.865878][ T3053] x11: ff808000081c0d5c x10: 0000000000000000 x9 : 47d6d2f616dd0600 [ 31.867756][ T3053] x8 : 47d6d2f616dd0600 x7 : ffff80000819545c x6 : 0000000000000000 [ 31.869603][ T3053] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 31.871499][ T3053] x2 : ffff0001fefddcd0 x1 : 0000000100000000 x0 : 000000000000002f [ 31.873343][ T3053] Call trace: [ 31.874130][ T3053] kernfs_remove_by_name_ns+0x84/0xb8 [ 31.875462][ T3053] sysfs_remove_group+0x68/0x160 [ 31.876499][ T3053] sysfs_remove_groups+0x3c/0x78 [ 31.877630][ T3053] __kobject_del+0x34/0x1f8 [ 31.878710][ T3053] kobject_del+0x28/0x110 [ 31.879719][ T3053] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 31.881109][ T3053] blk_mq_update_nr_hw_queues+0x254/0x6e0 [ 31.882517][ T3053] nbd_start_device+0xc4/0x500 [ 31.883625][ T3053] nbd_start_device_ioctl+0x3c/0x25c [ 31.884941][ T3053] __nbd_ioctl+0x16c/0x334 [ 31.886022][ T3053] nbd_ioctl+0xec/0x13c [ 31.887036][ T3053] blkdev_ioctl+0x24c/0x6d8 [ 31.888182][ T3053] __arm64_sys_ioctl+0xd0/0x140 [ 31.889295][ T3053] el0_svc_common+0x138/0x220 [ 31.890355][ T3053] do_el0_svc+0x48/0x164 [ 31.891318][ T3053] el0_svc+0x58/0x150 [ 31.892244][ T3053] el0t_64_sync_handler+0x84/0xf0 [ 31.893399][ T3053] el0t_64_sync+0x18c/0x190 [ 31.894493][ T3053] irq event stamp: 2836 [ 31.895474][ T3053] hardirqs last enabled at (2835): [] __up_console_sem+0xb0/0xfc [ 31.897728][ T3053] hardirqs last disabled at (2836): [] el1_dbg+0x24/0x5c [ 31.899833][ T3053] softirqs last enabled at (2814): [] _stext+0x2e4/0x37c [ 31.901955][ T3053] softirqs last disabled at (2799): [] ____do_softirq+0x14/0x20 [ 31.904125][ T3053] ---[ end trace 0000000000000000 ]--- [ 31.905545][ T3053] ------------[ cut here ]------------ [ 31.906790][ T3053] kernfs: can not remove 'nr_tags', no directory [ 31.909294][ T3053] WARNING: CPU: 1 PID: 3053 at fs/kernfs/dir.c:1580 kernfs_remove_by_name_ns+0x84/0xb8 [ 31.911390][ T3053] Modules linked in: [ 31.912349][ T3053] CPU: 1 PID: 3053 Comm: syz-executor232 Tainted: G W 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 31.915014][ T3053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 31.917409][ T3053] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 31.919128][ T3053] pc : kernfs_remove_by_name_ns+0x84/0xb8 [ 31.920545][ T3053] lr : kernfs_remove_by_name_ns+0x84/0xb8 [ 31.922004][ T3053] sp : ffff800012713a60 [ 31.923111][ T3053] x29: ffff800012713a60 x28: ffff80000cf01000 x27: ffff0000c5252908 [ 31.925140][ T3053] x26: ffff0000c5252908 x25: ffff800012713b88 x24: ffff0000c8f38d80 [ 31.927052][ T3053] x23: ffff0000c4ce0000 x22: 0000000000000000 x21: 0000000000000000 [ 31.928964][ T3053] x20: ffff80000cc5b39c x19: 0000000000000000 x18: 00000000000000c0 [ 31.930856][ T3053] x17: ffff80000dd0b198 x16: ffff80000db49158 x15: ffff0000c7671a80 [ 31.932746][ T3053] x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c7671a80 [ 31.934629][ T3053] x11: ff808000081c0d5c x10: 0000000000000000 x9 : 47d6d2f616dd0600 [ 31.936534][ T3053] x8 : 47d6d2f616dd0600 x7 : ffff800008161d1c x6 : 0000000000000000 [ 31.938416][ T3053] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 31.940378][ T3053] x2 : ffff0001fefddcd0 x1 : 0000000100000000 x0 : 000000000000002e [ 31.942172][ T3053] Call trace: [ 31.942881][ T3053] kernfs_remove_by_name_ns+0x84/0xb8 [ 31.944195][ T3053] sysfs_remove_group+0x68/0x160 [ 31.945309][ T3053] sysfs_remove_groups+0x3c/0x78 [ 31.946506][ T3053] __kobject_del+0x34/0x1f8 [ 31.947606][ T3053] kobject_del+0x28/0x110 [ 31.948615][ T3053] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 31.950073][ T3053] blk_mq_update_nr_hw_queues+0x254/0x6e0 [ 31.951411][ T3053] nbd_start_device+0xc4/0x500 [ 31.952509][ T3053] nbd_start_device_ioctl+0x3c/0x25c [ 31.953609][ T3053] __nbd_ioctl+0x16c/0x334 [ 31.954582][ T3053] nbd_ioctl+0xec/0x13c [ 31.955481][ T3053] blkdev_ioctl+0x24c/0x6d8 [ 31.956528][ T3053] __arm64_sys_ioctl+0xd0/0x140 [ 31.957682][ T3053] el0_svc_common+0x138/0x220 [ 31.958827][ T3053] do_el0_svc+0x48/0x164 [ 31.959837][ T3053] el0_svc+0x58/0x150 [ 31.960819][ T3053] el0t_64_sync_handler+0x84/0xf0 [ 31.962126][ T3053] el0t_64_sync+0x18c/0x190 [ 31.963327][ T3053] irq event stamp: 3636 [ 31.964452][ T3053] hardirqs last enabled at (3635): [] finish_lock_switch+0x94/0xe8 [ 31.966875][ T3053] hardirqs last disabled at (3636): [] el1_dbg+0x24/0x5c [ 31.968905][ T3053] softirqs last enabled at (3628): [] _stext+0x2e4/0x37c [ 31.970941][ T3053] softirqs last disabled at (2885): [] ____do_softirq+0x14/0x20 [ 31.973269][ T3053] ---[ end trace 0000000000000000 ]--- [ 31.974634][ T3053] ------------[ cut here ]------------ [ 31.975877][ T3053] kernfs: can not remove 'nr_reserved_tags', no directory [ 31.977445][ T3053] WARNING: CPU: 1 PID: 3053 at fs/kernfs/dir.c:1580 kernfs_remove_by_name_ns+0x84/0xb8 [ 31.979644][ T3053] Modules linked in: [ 31.980609][ T3053] CPU: 1 PID: 3053 Comm: syz-executor232 Tainted: G W 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 31.983190][ T3053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 31.985545][ T3053] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 31.987493][ T3053] pc : kernfs_remove_by_name_ns+0x84/0xb8 [ 31.988975][ T3053] lr : kernfs_remove_by_name_ns+0x84/0xb8 [ 31.990506][ T3053] sp : ffff800012713a60 [ 31.991508][ T3053] x29: ffff800012713a60 x28: ffff80000cf01000 x27: ffff0000c5252908 [ 31.993427][ T3053] x26: ffff0000c5252908 x25: ffff800012713b88 x24: ffff0000c8f38d80 [ 31.995144][ T3053] x23: ffff0000c4ce0000 x22: 0000000000000000 x21: 0000000000000000 [ 31.997084][ T3053] x20: ffff80000cc5b3a4 x19: 0000000000000000 x18: 00000000000000c0 [ 31.998912][ T3053] x17: ffff80000dd0b198 x16: ffff80000db49158 x15: ffff0000c7671a80 [ 32.000772][ T3053] x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c7671a80 [ 32.002625][ T3053] x11: ff808000081c0d5c x10: 0000000000000000 x9 : 47d6d2f616dd0600 [ 32.004505][ T3053] x8 : 47d6d2f616dd0600 x7 : ffff80000819545c x6 : 0000000000000000 [ 32.006635][ T3053] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 32.008830][ T3053] x2 : ffff0001fefddcd0 x1 : 0000000100000000 x0 : 0000000000000037 [ 32.010626][ T3053] Call trace: [ 32.011414][ T3053] kernfs_remove_by_name_ns+0x84/0xb8 [ 32.012759][ T3053] sysfs_remove_group+0x68/0x160 [ 32.013887][ T3053] sysfs_remove_groups+0x3c/0x78 [ 32.014967][ T3053] __kobject_del+0x34/0x1f8 [ 32.016045][ T3053] kobject_del+0x28/0x110 [ 32.017013][ T3053] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 32.018444][ T3053] blk_mq_update_nr_hw_queues+0x254/0x6e0 [ 32.019855][ T3053] nbd_start_device+0xc4/0x500 [ 32.020989][ T3053] nbd_start_device_ioctl+0x3c/0x25c [ 32.022233][ T3053] __nbd_ioctl+0x16c/0x334 [ 32.023283][ T3053] nbd_ioctl+0xec/0x13c [ 32.024170][ T3053] blkdev_ioctl+0x24c/0x6d8 [ 32.025204][ T3053] __arm64_sys_ioctl+0xd0/0x140 [ 32.026389][ T3053] el0_svc_common+0x138/0x220 [ 32.027476][ T3053] do_el0_svc+0x48/0x164 [ 32.028488][ T3053] el0_svc+0x58/0x150 [ 32.029283][ T3053] el0t_64_sync_handler+0x84/0xf0 [ 32.030278][ T3053] el0t_64_sync+0x18c/0x190 [ 32.031216][ T3053] irq event stamp: 3672 [ 32.032061][ T3053] hardirqs last enabled at (3671): [] __up_console_sem+0xb0/0xfc [ 32.034356][ T3053] hardirqs last disabled at (3672): [] el1_dbg+0x24/0x5c [ 32.036330][ T3053] softirqs last enabled at (3650): [] _stext+0x2e4/0x37c [ 32.038427][ T3053] softirqs last disabled at (3639): [] ____do_softirq+0x14/0x20 [ 32.040636][ T3053] ---[ end trace 0000000000000000 ]--- [ 32.042004][ T3053] ------------[ cut here ]------------ [ 32.043275][ T3053] kernfs: can not remove 'cpu_list', no directory [ 32.044539][ T3053] WARNING: CPU: 1 PID: 3053 at fs/kernfs/dir.c:1580 kernfs_remove_by_name_ns+0x84/0xb8 [ 32.046531][ T3053] Modules linked in: [ 32.047429][ T3053] CPU: 1 PID: 3053 Comm: syz-executor232 Tainted: G W 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 32.050207][ T3053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 32.052560][ T3053] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 32.054399][ T3053] pc : kernfs_remove_by_name_ns+0x84/0xb8 [ 32.055641][ T3053] lr : kernfs_remove_by_name_ns+0x84/0xb8 [ 32.057020][ T3053] sp : ffff800012713a60 [ 32.057942][ T3053] x29: ffff800012713a60 x28: ffff80000cf01000 x27: ffff0000c5252908 [ 32.059796][ T3053] x26: ffff0000c5252908 x25: ffff800012713b88 x24: ffff0000c8f38d80 [ 32.061725][ T3053] x23: ffff0000c4ce0000 x22: 0000000000000000 x21: 0000000000000000 [ 32.063535][ T3053] x20: ffff80000cca5e6c x19: 0000000000000000 x18: 00000000000000c0 [ 32.065400][ T3053] x17: ffff80000dd0b198 x16: ffff80000db49158 x15: ffff0000c7671a80 [ 32.067402][ T3053] x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c7671a80 [ 32.069271][ T3053] x11: ff808000081c0d5c x10: 0000000000000000 x9 : 47d6d2f616dd0600 [ 32.071164][ T3053] x8 : 47d6d2f616dd0600 x7 : ffff80000819545c x6 : 0000000000000000 [ 32.073063][ T3053] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 32.074971][ T3053] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 000000000000002f [ 32.076981][ T3053] Call trace: [ 32.077777][ T3053] kernfs_remove_by_name_ns+0x84/0xb8 [ 32.079010][ T3053] sysfs_remove_group+0x68/0x160 [ 32.080116][ T3053] sysfs_remove_groups+0x3c/0x78 [ 32.081312][ T3053] __kobject_del+0x34/0x1f8 [ 32.082357][ T3053] kobject_del+0x28/0x110 [ 32.083314][ T3053] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 32.084686][ T3053] blk_mq_update_nr_hw_queues+0x254/0x6e0 [ 32.085998][ T3053] nbd_start_device+0xc4/0x500 [ 32.087132][ T3053] nbd_start_device_ioctl+0x3c/0x25c [ 32.088393][ T3053] __nbd_ioctl+0x16c/0x334 [ 32.089441][ T3053] nbd_ioctl+0xec/0x13c [ 32.090417][ T3053] blkdev_ioctl+0x24c/0x6d8 [ 32.091458][ T3053] __arm64_sys_ioctl+0xd0/0x140 [ 32.092561][ T3053] el0_svc_common+0x138/0x220 [ 32.093748][ T3053] do_el0_svc+0x48/0x164 [ 32.094700][ T3053] el0_svc+0x58/0x150 [ 32.095750][ T3053] el0t_64_sync_handler+0x84/0xf0 [ 32.096896][ T3053] el0t_64_sync+0x18c/0x190 [ 32.097976][ T3053] irq event stamp: 3714 [ 32.098887][ T3053] hardirqs last enabled at (3713): [] __up_console_sem+0xb0/0xfc [ 32.101148][ T3053] hardirqs last disabled at (3714): [] el1_dbg+0x24/0x5c [ 32.102972][ T3053] softirqs last enabled at (3692): [] _stext+0x2e4/0x37c [ 32.105075][ T3053] softirqs last disabled at (3675): [] ____do_softirq+0x14/0x20 [ 32.107114][ T3053] ---[ end trace 0000000000000000 ]--- [ 32.108791][ T3053] debugfs: out of free dentries, can not create directory 'hctx0' executing program [ 32.111276][ T3053] block nbd0: shutting down sockets [ 32.358071][ T3056] block nbd0: shutting down sockets executing program [ 32.438425][ T3058] debugfs: out of free dentries, can not create file 'blocksize_bits' [ 32.598595][ T3058] block nbd0: shutting down sockets executing program [ 32.678463][ T3060] debugfs: out of free dentries, can not create file 'blocksize_bits' [ 32.838770][ T3060] block nbd0: shutting down sockets executing program [ 32.918429][ T3062] debugfs: out of free dentries, can not create file 'blocksize_bits' [ 33.078514][ T3062] block nbd0: shutting down sockets executing program [ 33.177778][ T3065] block nbd0: Device being setup by another task [ 33.220753][ T3064] debugfs: out of free dentries, can not create directory 'hctx0' [ 33.339411][ T3064] block nbd0: shutting down sockets executing program [ 33.469207][ T3067] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 33.587970][ T3067] block nbd0: shutting down sockets executing program [ 33.707766][ T3070] block nbd0: Device being setup by another task [ 33.790577][ T3069] ------------[ cut here ]------------ [ 33.791879][ T3069] kernfs: can not remove 'nr_tags', no directory [ 33.793514][ T3069] WARNING: CPU: 1 PID: 3069 at fs/kernfs/dir.c:1580 kernfs_remove_by_name_ns+0x84/0xb8 [ 33.795754][ T3069] Modules linked in: [ 33.796597][ T3069] CPU: 1 PID: 3069 Comm: syz-executor232 Tainted: G W 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 33.799631][ T3069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 33.801974][ T3069] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 33.803953][ T3069] pc : kernfs_remove_by_name_ns+0x84/0xb8 [ 33.805307][ T3069] lr : kernfs_remove_by_name_ns+0x84/0xb8 [ 33.806665][ T3069] sp : ffff80001273ba60 [ 33.807675][ T3069] x29: ffff80001273ba60 x28: ffff80000cf01000 x27: ffff0000c5252908 [ 33.809555][ T3069] x26: ffff0000c5252908 x25: ffff80001273bb88 x24: ffff0000cca08480 [ 33.811316][ T3069] x23: ffff0000c4ce0000 x22: 0000000000000000 x21: 0000000000000000 [ 33.813229][ T3069] x20: ffff80000cc5b39c x19: 0000000000000000 x18: 00000000000000c0 [ 33.815166][ T3069] x17: ffff80000dd0b198 x16: ffff80000db49158 x15: ffff0000c6949a80 [ 33.817045][ T3069] x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c6949a80 [ 33.819000][ T3069] x11: ff808000081c0d5c x10: 0000000000000000 x9 : 00028dc164d49e00 [ 33.820847][ T3069] x8 : 00028dc164d49e00 x7 : ffff80000819545c x6 : 0000000000000000 [ 33.822700][ T3069] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 33.824596][ T3069] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 000000000000002e [ 33.826693][ T3069] Call trace: [ 33.827448][ T3069] kernfs_remove_by_name_ns+0x84/0xb8 [ 33.828709][ T3069] sysfs_remove_group+0x68/0x160 [ 33.829870][ T3069] sysfs_remove_groups+0x3c/0x78 [ 33.831011][ T3069] __kobject_del+0x34/0x1f8 [ 33.832091][ T3069] kobject_del+0x28/0x110 [ 33.833228][ T3069] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 33.834754][ T3069] blk_mq_update_nr_hw_queues+0x254/0x6e0 [ 33.836257][ T3069] nbd_start_device+0xc4/0x500 [ 33.837549][ T3069] nbd_start_device_ioctl+0x3c/0x25c [ 33.838994][ T3069] __nbd_ioctl+0x16c/0x334 [ 33.840207][ T3069] nbd_ioctl+0xec/0x13c [ 33.841307][ T3069] blkdev_ioctl+0x24c/0x6d8 [ 33.842537][ T3069] __arm64_sys_ioctl+0xd0/0x140 [ 33.843798][ T3069] el0_svc_common+0x138/0x220 [ 33.845049][ T3069] do_el0_svc+0x48/0x164 [ 33.846111][ T3069] el0_svc+0x58/0x150 [ 33.847141][ T3069] el0t_64_sync_handler+0x84/0xf0 [ 33.848473][ T3069] el0t_64_sync+0x18c/0x190 [ 33.849691][ T3069] irq event stamp: 2750 [ 33.850641][ T3069] hardirqs last enabled at (2749): [] __up_console_sem+0xb0/0xfc [ 33.852894][ T3069] hardirqs last disabled at (2750): [] el1_dbg+0x24/0x5c [ 33.854510][ T3069] softirqs last enabled at (210): [] local_bh_enable+0x10/0x34 [ 33.856263][ T3069] softirqs last disabled at (208): [] local_bh_disable+0x10/0x34 [ 33.858378][ T3069] ---[ end trace 0000000000000000 ]--- [ 33.859722][ T3069] ------------[ cut here ]------------ [ 33.860908][ T3069] kernfs: can not remove 'nr_reserved_tags', no directory [ 33.862556][ T3069] WARNING: CPU: 1 PID: 3069 at fs/kernfs/dir.c:1580 kernfs_remove_by_name_ns+0x84/0xb8 [ 33.864894][ T3069] Modules linked in: [ 33.865780][ T3069] CPU: 1 PID: 3069 Comm: syz-executor232 Tainted: G W 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 33.868424][ T3069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 33.870807][ T3069] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 33.872911][ T3069] pc : kernfs_remove_by_name_ns+0x84/0xb8 [ 33.874471][ T3069] lr : kernfs_remove_by_name_ns+0x84/0xb8 [ 33.875993][ T3069] sp : ffff80001273ba60 [ 33.876913][ T3069] x29: ffff80001273ba60 x28: ffff80000cf01000 x27: ffff0000c5252908 [ 33.878791][ T3069] x26: ffff0000c5252908 x25: ffff80001273bb88 x24: ffff0000cca08480 [ 33.880760][ T3069] x23: ffff0000c4ce0000 x22: 0000000000000000 x21: 0000000000000000 [ 33.882639][ T3069] x20: ffff80000cc5b3a4 x19: 0000000000000000 x18: 00000000000000c0 [ 33.884438][ T3069] x17: ffff80000dd0b198 x16: ffff80000db49158 x15: ffff0000c6949a80 [ 33.886244][ T3069] x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c6949a80 [ 33.888213][ T3069] x11: ff808000081c0d5c x10: 0000000000000000 x9 : 00028dc164d49e00 [ 33.890209][ T3069] x8 : 00028dc164d49e00 x7 : ffff80000819545c x6 : 0000000000000000 [ 33.892095][ T3069] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 33.893961][ T3069] x2 : ffff0001fefddcd0 x1 : 0000000100000000 x0 : 0000000000000037 [ 33.895858][ T3069] Call trace: [ 33.896570][ T3069] kernfs_remove_by_name_ns+0x84/0xb8 [ 33.897818][ T3069] sysfs_remove_group+0x68/0x160 [ 33.899018][ T3069] sysfs_remove_groups+0x3c/0x78 [ 33.900279][ T3069] __kobject_del+0x34/0x1f8 [ 33.901407][ T3069] kobject_del+0x28/0x110 [ 33.902489][ T3069] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 33.904005][ T3069] blk_mq_update_nr_hw_queues+0x254/0x6e0 [ 33.905540][ T3069] nbd_start_device+0xc4/0x500 [ 33.906730][ T3069] nbd_start_device_ioctl+0x3c/0x25c [ 33.908041][ T3069] __nbd_ioctl+0x16c/0x334 [ 33.909077][ T3069] nbd_ioctl+0xec/0x13c [ 33.909993][ T3069] blkdev_ioctl+0x24c/0x6d8 [ 33.911079][ T3069] __arm64_sys_ioctl+0xd0/0x140 [ 33.912228][ T3069] el0_svc_common+0x138/0x220 [ 33.913353][ T3069] do_el0_svc+0x48/0x164 [ 33.914530][ T3069] el0_svc+0x58/0x150 [ 33.915568][ T3069] el0t_64_sync_handler+0x84/0xf0 [ 33.916888][ T3069] el0t_64_sync+0x18c/0x190 [ 33.918058][ T3069] irq event stamp: 2798 [ 33.919146][ T3069] hardirqs last enabled at (2797): [] __up_console_sem+0xb0/0xfc [ 33.921557][ T3069] hardirqs last disabled at (2798): [] el1_dbg+0x24/0x5c [ 33.923623][ T3069] softirqs last enabled at (2776): [] _stext+0x2e4/0x37c [ 33.925748][ T3069] softirqs last disabled at (2753): [] ____do_softirq+0x14/0x20 [ 33.928020][ T3069] ---[ end trace 0000000000000000 ]--- [ 33.929367][ T3069] ------------[ cut here ]------------ [ 33.930744][ T3069] kernfs: can not remove 'cpu_list', no directory [ 33.932281][ T3069] WARNING: CPU: 1 PID: 3069 at fs/kernfs/dir.c:1580 kernfs_remove_by_name_ns+0x84/0xb8 [ 33.934440][ T3069] Modules linked in: [ 33.935396][ T3069] CPU: 1 PID: 3069 Comm: syz-executor232 Tainted: G W 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 33.938442][ T3069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 33.941071][ T3069] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 33.943079][ T3069] pc : kernfs_remove_by_name_ns+0x84/0xb8 [ 33.944497][ T3069] lr : kernfs_remove_by_name_ns+0x84/0xb8 [ 33.945839][ T3069] sp : ffff80001273ba60 [ 33.946780][ T3069] x29: ffff80001273ba60 x28: ffff80000cf01000 x27: ffff0000c5252908 [ 33.948592][ T3069] x26: ffff0000c5252908 x25: ffff80001273bb88 x24: ffff0000cca08480 [ 33.950412][ T3069] x23: ffff0000c4ce0000 x22: 0000000000000000 x21: 0000000000000000 [ 33.952300][ T3069] x20: ffff80000cca5e6c x19: 0000000000000000 x18: 00000000000000c0 [ 33.954201][ T3069] x17: ffff80000dd0b198 x16: ffff80000db49158 x15: ffff0000c6949a80 [ 33.956026][ T3069] x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c6949a80 [ 33.957999][ T3069] x11: ff808000081c0d5c x10: 0000000000000000 x9 : 00028dc164d49e00 [ 33.959850][ T3069] x8 : 00028dc164d49e00 x7 : ffff80000819545c x6 : 0000000000000000 [ 33.961714][ T3069] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 33.963518][ T3069] x2 : ffff0001fefddcd0 x1 : 0000000100000000 x0 : 000000000000002f [ 33.965569][ T3069] Call trace: [ 33.966297][ T3069] kernfs_remove_by_name_ns+0x84/0xb8 [ 33.967645][ T3069] sysfs_remove_group+0x68/0x160 [ 33.968737][ T3069] sysfs_remove_groups+0x3c/0x78 [ 33.969917][ T3069] __kobject_del+0x34/0x1f8 [ 33.970984][ T3069] kobject_del+0x28/0x110 [ 33.972089][ T3069] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 33.973437][ T3069] blk_mq_update_nr_hw_queues+0x254/0x6e0 [ 33.974750][ T3069] nbd_start_device+0xc4/0x500 [ 33.975862][ T3069] nbd_start_device_ioctl+0x3c/0x25c [ 33.977152][ T3069] __nbd_ioctl+0x16c/0x334 [ 33.978218][ T3069] nbd_ioctl+0xec/0x13c [ 33.979158][ T3069] blkdev_ioctl+0x24c/0x6d8 [ 33.980266][ T3069] __arm64_sys_ioctl+0xd0/0x140 [ 33.981425][ T3069] el0_svc_common+0x138/0x220 [ 33.982511][ T3069] do_el0_svc+0x48/0x164 [ 33.983585][ T3069] el0_svc+0x58/0x150 [ 33.984518][ T3069] el0t_64_sync_handler+0x84/0xf0 [ 33.985670][ T3069] el0t_64_sync+0x18c/0x190 [ 33.986731][ T3069] irq event stamp: 2838 [ 33.987664][ T3069] hardirqs last enabled at (2837): [] __up_console_sem+0xb0/0xfc [ 33.989878][ T3069] hardirqs last disabled at (2838): [] el1_dbg+0x24/0x5c [ 33.991854][ T3069] softirqs last enabled at (2816): [] _stext+0x2e4/0x37c [ 33.993994][ T3069] softirqs last disabled at (2801): [] ____do_softirq+0x14/0x20 [ 33.996157][ T3069] ---[ end trace 0000000000000000 ]--- [ 33.997543][ T3069] ------------[ cut here ]------------ [ 33.999733][ T3069] kernfs: can not remove 'nr_tags', no directory [ 34.001211][ T3069] WARNING: CPU: 1 PID: 3069 at fs/kernfs/dir.c:1580 kernfs_remove_by_name_ns+0x84/0xb8 [ 34.003360][ T3069] Modules linked in: [ 34.004266][ T3069] CPU: 1 PID: 3069 Comm: syz-executor232 Tainted: G W 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 34.006915][ T3069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 34.009285][ T3069] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 34.011097][ T3069] pc : kernfs_remove_by_name_ns+0x84/0xb8 [ 34.012586][ T3069] lr : kernfs_remove_by_name_ns+0x84/0xb8 [ 34.013913][ T3069] sp : ffff80001273ba60 [ 34.014860][ T3069] x29: ffff80001273ba60 x28: ffff80000cf01000 x27: ffff0000c5252908 [ 34.016780][ T3069] x26: ffff0000c5252908 x25: ffff80001273bb88 x24: ffff0000cca08480 [ 34.018572][ T3069] x23: ffff0000c4ce0000 x22: 0000000000000000 x21: 0000000000000000 [ 34.020410][ T3069] x20: ffff80000cc5b39c x19: 0000000000000000 x18: 000000000000039d [ 34.022312][ T3069] x17: ffff80000bffd6bc x16: ffff80000db49158 x15: ffff0000c6949a80 [ 34.024190][ T3069] x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c6949a80 [ 34.026166][ T3069] x11: ff808000081c0d5c x10: 0000000000000000 x9 : 00028dc164d49e00 [ 34.027959][ T3069] x8 : 00028dc164d49e00 x7 : ffff80000819545c x6 : 0000000000000000 [ 34.029811][ T3069] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 34.031609][ T3069] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 000000000000002e [ 34.033486][ T3069] Call trace: [ 34.034243][ T3069] kernfs_remove_by_name_ns+0x84/0xb8 [ 34.035445][ T3069] sysfs_remove_group+0x68/0x160 [ 34.036567][ T3069] sysfs_remove_groups+0x3c/0x78 [ 34.037707][ T3069] __kobject_del+0x34/0x1f8 [ 34.038735][ T3069] kobject_del+0x28/0x110 [ 34.039709][ T3069] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 34.041106][ T3069] blk_mq_update_nr_hw_queues+0x254/0x6e0 [ 34.042427][ T3069] nbd_start_device+0xc4/0x500 [ 34.043536][ T3069] nbd_start_device_ioctl+0x3c/0x25c [ 34.044738][ T3069] __nbd_ioctl+0x16c/0x334 [ 34.045796][ T3069] nbd_ioctl+0xec/0x13c [ 34.046816][ T3069] blkdev_ioctl+0x24c/0x6d8 [ 34.047975][ T3069] __arm64_sys_ioctl+0xd0/0x140 [ 34.049224][ T3069] el0_svc_common+0x138/0x220 [ 34.050434][ T3069] do_el0_svc+0x48/0x164 [ 34.051502][ T3069] el0_svc+0x58/0x150 [ 34.052410][ T3069] el0t_64_sync_handler+0x84/0xf0 [ 34.053654][ T3069] el0t_64_sync+0x18c/0x190 [ 34.054748][ T3069] irq event stamp: 3640 [ 34.055732][ T3069] hardirqs last enabled at (3639): [] __up_console_sem+0xb0/0xfc [ 34.057990][ T3069] hardirqs last disabled at (3640): [] el1_dbg+0x24/0x5c [ 34.060060][ T3069] softirqs last enabled at (3622): [] _stext+0x2e4/0x37c [ 34.062102][ T3069] softirqs last disabled at (2877): [] ____do_softirq+0x14/0x20 [ 34.064234][ T3069] ---[ end trace 0000000000000000 ]--- [ 34.065526][ T3069] ------------[ cut here ]------------ [ 34.066707][ T3069] kernfs: can not remove 'nr_reserved_tags', no directory [ 34.068432][ T3069] WARNING: CPU: 1 PID: 3069 at fs/kernfs/dir.c:1580 kernfs_remove_by_name_ns+0x84/0xb8 [ 34.070654][ T3069] Modules linked in: [ 34.071521][ T3069] CPU: 1 PID: 3069 Comm: syz-executor232 Tainted: G W 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 34.074288][ T3069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 34.076727][ T3069] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 34.078551][ T3069] pc : kernfs_remove_by_name_ns+0x84/0xb8 [ 34.079887][ T3069] lr : kernfs_remove_by_name_ns+0x84/0xb8 [ 34.081269][ T3069] sp : ffff80001273ba60 [ 34.082325][ T3069] x29: ffff80001273ba60 x28: ffff80000cf01000 x27: ffff0000c5252908 [ 34.084164][ T3069] x26: ffff0000c5252908 x25: ffff80001273bb88 x24: ffff0000cca08480 [ 34.085885][ T3069] x23: ffff0000c4ce0000 x22: 0000000000000000 x21: 0000000000000000 [ 34.087633][ T3069] x20: ffff80000cc5b3a4 x19: 0000000000000000 x18: 000000000000039d [ 34.089760][ T3069] x17: ffff80000bffd6bc x16: ffff80000db49158 x15: ffff0000c6949a80 [ 34.091908][ T3069] x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c6949a80 [ 34.094081][ T3069] x11: ff808000081c0d5c x10: 0000000000000000 x9 : 00028dc164d49e00 [ 34.096140][ T3069] x8 : 00028dc164d49e00 x7 : ffff80000819545c x6 : 0000000000000000 [ 34.098109][ T3069] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 34.099997][ T3069] x2 : ffff0001fefddcd0 x1 : 0000000100000000 x0 : 0000000000000037 [ 34.101839][ T3069] Call trace: [ 34.102599][ T3069] kernfs_remove_by_name_ns+0x84/0xb8 [ 34.103783][ T3069] sysfs_remove_group+0x68/0x160 [ 34.104950][ T3069] sysfs_remove_groups+0x3c/0x78 [ 34.106169][ T3069] __kobject_del+0x34/0x1f8 [ 34.107246][ T3069] kobject_del+0x28/0x110 [ 34.108309][ T3069] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 34.109734][ T3069] blk_mq_update_nr_hw_queues+0x254/0x6e0 [ 34.111237][ T3069] nbd_start_device+0xc4/0x500 [ 34.112457][ T3069] nbd_start_device_ioctl+0x3c/0x25c [ 34.113768][ T3069] __nbd_ioctl+0x16c/0x334 [ 34.114869][ T3069] nbd_ioctl+0xec/0x13c [ 34.115850][ T3069] blkdev_ioctl+0x24c/0x6d8 [ 34.116903][ T3069] __arm64_sys_ioctl+0xd0/0x140 [ 34.118112][ T3069] el0_svc_common+0x138/0x220 [ 34.119183][ T3069] do_el0_svc+0x48/0x164 [ 34.120258][ T3069] el0_svc+0x58/0x150 [ 34.121206][ T3069] el0t_64_sync_handler+0x84/0xf0 [ 34.122372][ T3069] el0t_64_sync+0x18c/0x190 [ 34.123496][ T3069] irq event stamp: 3688 [ 34.124445][ T3069] hardirqs last enabled at (3687): [] __up_console_sem+0xb0/0xfc [ 34.126682][ T3069] hardirqs last disabled at (3688): [] el1_dbg+0x24/0x5c [ 34.128747][ T3069] softirqs last enabled at (3682): [] _stext+0x2e4/0x37c [ 34.130811][ T3069] softirqs last disabled at (3677): [] ____do_softirq+0x14/0x20 [ 34.133027][ T3069] ---[ end trace 0000000000000000 ]--- [ 34.134357][ T3069] ------------[ cut here ]------------ [ 34.135588][ T3069] kernfs: can not remove 'cpu_list', no directory [ 34.137085][ T3069] WARNING: CPU: 1 PID: 3069 at fs/kernfs/dir.c:1580 kernfs_remove_by_name_ns+0x84/0xb8 [ 34.139261][ T3069] Modules linked in: [ 34.140227][ T3069] CPU: 1 PID: 3069 Comm: syz-executor232 Tainted: G W 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 34.142916][ T3069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 34.145193][ T3069] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 34.147051][ T3069] pc : kernfs_remove_by_name_ns+0x84/0xb8 [ 34.148499][ T3069] lr : kernfs_remove_by_name_ns+0x84/0xb8 [ 34.149900][ T3069] sp : ffff80001273ba60 [ 34.150871][ T3069] x29: ffff80001273ba60 x28: ffff80000cf01000 x27: ffff0000c5252908 [ 34.152667][ T3069] x26: ffff0000c5252908 x25: ffff80001273bb88 x24: ffff0000cca08480 [ 34.154477][ T3069] x23: ffff0000c4ce0000 x22: 0000000000000000 x21: 0000000000000000 [ 34.156356][ T3069] x20: ffff80000cca5e6c x19: 0000000000000000 x18: 000000000000039d [ 34.158207][ T3069] x17: ffff80000bffd6bc x16: ffff80000db49158 x15: ffff0000c6949a80 [ 34.160060][ T3069] x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c6949a80 [ 34.161958][ T3069] x11: ff808000081c0d5c x10: 0000000000000000 x9 : 00028dc164d49e00 [ 34.163776][ T3069] x8 : 00028dc164d49e00 x7 : ffff80000819545c x6 : 0000000000000000 [ 34.165623][ T3069] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 34.167517][ T3069] x2 : ffff0001fefddcd0 x1 : 0000000100000000 x0 : 000000000000002f [ 34.169307][ T3069] Call trace: [ 34.170085][ T3069] kernfs_remove_by_name_ns+0x84/0xb8 [ 34.171402][ T3069] sysfs_remove_group+0x68/0x160 [ 34.172597][ T3069] sysfs_remove_groups+0x3c/0x78 [ 34.173682][ T3069] __kobject_del+0x34/0x1f8 [ 34.174665][ T3069] kobject_del+0x28/0x110 [ 34.175693][ T3069] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 34.177094][ T3069] blk_mq_update_nr_hw_queues+0x254/0x6e0 [ 34.178494][ T3069] nbd_start_device+0xc4/0x500 [ 34.179634][ T3069] nbd_start_device_ioctl+0x3c/0x25c [ 34.180891][ T3069] __nbd_ioctl+0x16c/0x334 [ 34.181926][ T3069] nbd_ioctl+0xec/0x13c [ 34.182925][ T3069] blkdev_ioctl+0x24c/0x6d8 [ 34.183978][ T3069] __arm64_sys_ioctl+0xd0/0x140 [ 34.185166][ T3069] el0_svc_common+0x138/0x220 [ 34.186359][ T3069] do_el0_svc+0x48/0x164 [ 34.187344][ T3069] el0_svc+0x58/0x150 [ 34.188290][ T3069] el0t_64_sync_handler+0x84/0xf0 [ 34.189466][ T3069] el0t_64_sync+0x18c/0x190 [ 34.190441][ T3069] irq event stamp: 3740 [ 34.191454][ T3069] hardirqs last enabled at (3739): [] __up_console_sem+0xb0/0xfc [ 34.193773][ T3069] hardirqs last disabled at (3740): [] el1_dbg+0x24/0x5c [ 34.195785][ T3069] softirqs last enabled at (3714): [] _stext+0x2e4/0x37c [ 34.197881][ T3069] softirqs last disabled at (3691): [] ____do_softirq+0x14/0x20 [ 34.200099][ T3069] ---[ end trace 0000000000000000 ]--- [ 34.201635][ T3069] debugfs: out of free dentries, can not create directory 'hctx0' [ 34.204272][ T3069] block nbd0: shutting down sockets executing program [ 34.349058][ T3072] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 34.458675][ T3072] block nbd0: shutting down sockets executing program [ 34.538427][ T3074] debugfs: out of free dentries, can not create file 'blocksize_bits' [ 34.699173][ T3074] block nbd0: shutting down sockets executing program [ 34.778497][ T3076] debugfs: out of free dentries, can not create file 'blocksize_bits' [ 34.938456][ T3076] block nbd0: shutting down sockets executing program [ 35.038429][ T3078] debugfs: out of free dentries, can not create file 'blocksize_bits' [ 35.198496][ T3078] block nbd0: shutting down sockets executing program [ 35.278524][ T3080] debugfs: out of free dentries, can not create file 'blocksize_bits' [ 35.438433][ T3080] block nbd0: shutting down sockets executing program [ 35.518345][ T3082] debugfs: out of free dentries, can not create file 'blocksize_bits' [ 35.678808][ T3082] block nbd0: shutting down sockets executing program [ 35.797783][ T3085] block nbd0: Device being setup by another task [ 35.840661][ T3084] ------------[ cut here ]------------ [ 35.842037][ T3084] kernfs: can not remove 'nr_tags', no directory [ 35.843604][ T3084] WARNING: CPU: 0 PID: 3084 at fs/kernfs/dir.c:1580 kernfs_remove_by_name_ns+0x84/0xb8 [ 35.845799][ T3084] Modules linked in: [ 35.846676][ T3084] CPU: 0 PID: 3084 Comm: syz-executor232 Tainted: G W 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 35.849394][ T3084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 35.851583][ T3084] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 35.853458][ T3084] pc : kernfs_remove_by_name_ns+0x84/0xb8 [ 35.854716][ T3084] lr : kernfs_remove_by_name_ns+0x84/0xb8 [ 35.856088][ T3084] sp : ffff80001273ba60 [ 35.856979][ T3084] x29: ffff80001273ba60 x28: ffff80000cf01000 x27: ffff0000c5252908 [ 35.858860][ T3084] x26: ffff0000c5252908 x25: ffff80001273bb88 x24: ffff0000cca08480 [ 35.860844][ T3084] x23: ffff0000c4ce0000 x22: 0000000000000000 x21: 0000000000000000 [ 35.862765][ T3084] x20: ffff80000cc5b39c x19: 0000000000000000 x18: 00000000000000c0 [ 35.864660][ T3084] x17: ffff80000dd0b198 x16: ffff80000db49158 x15: ffff0000c694cf80 [ 35.866545][ T3084] x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c694cf80 [ 35.868412][ T3084] x11: ff808000081c0d5c x10: 0000000000000000 x9 : b7d2205cb5166900 [ 35.870317][ T3084] x8 : b7d2205cb5166900 x7 : ffff80000819545c x6 : 0000000000000000 [ 35.872311][ T3084] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 35.874211][ T3084] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 000000000000002e [ 35.876091][ T3084] Call trace: [ 35.876885][ T3084] kernfs_remove_by_name_ns+0x84/0xb8 [ 35.878119][ T3084] sysfs_remove_group+0x68/0x160 [ 35.879315][ T3084] sysfs_remove_groups+0x3c/0x78 [ 35.880518][ T3084] __kobject_del+0x34/0x1f8 [ 35.881604][ T3084] kobject_del+0x28/0x110 [ 35.882594][ T3084] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 35.884006][ T3084] blk_mq_update_nr_hw_queues+0x254/0x6e0 [ 35.885480][ T3084] nbd_start_device+0xc4/0x500 [ 35.886726][ T3084] nbd_start_device_ioctl+0x3c/0x25c [ 35.888078][ T3084] __nbd_ioctl+0x16c/0x334 [ 35.889229][ T3084] nbd_ioctl+0xec/0x13c [ 35.890108][ T3084] blkdev_ioctl+0x24c/0x6d8 [ 35.891137][ T3084] __arm64_sys_ioctl+0xd0/0x140 [ 35.892311][ T3084] el0_svc_common+0x138/0x220 [ 35.893447][ T3084] do_el0_svc+0x48/0x164 [ 35.894482][ T3084] el0_svc+0x58/0x150 [ 35.895390][ T3084] el0t_64_sync_handler+0x84/0xf0 [ 35.896614][ T3084] el0t_64_sync+0x18c/0x190 [ 35.897632][ T3084] irq event stamp: 2770 [ 35.898629][ T3084] hardirqs last enabled at (2769): [] __up_console_sem+0xb0/0xfc [ 35.900907][ T3084] hardirqs last disabled at (2770): [] el1_dbg+0x24/0x5c [ 35.902785][ T3084] softirqs last enabled at (248): [] local_bh_enable+0x10/0x34 [ 35.904958][ T3084] softirqs last disabled at (246): [] local_bh_disable+0x10/0x34 [ 35.907086][ T3084] ---[ end trace 0000000000000000 ]--- [ 35.908447][ T3084] ------------[ cut here ]------------ [ 35.909581][ T3084] kernfs: can not remove 'nr_reserved_tags', no directory [ 35.911200][ T3084] WARNING: CPU: 0 PID: 3084 at fs/kernfs/dir.c:1580 kernfs_remove_by_name_ns+0x84/0xb8 [ 35.913443][ T3084] Modules linked in: [ 35.914256][ T3084] CPU: 0 PID: 3084 Comm: syz-executor232 Tainted: G W 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 35.916846][ T3084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 35.919384][ T3084] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 35.921471][ T3084] pc : kernfs_remove_by_name_ns+0x84/0xb8 [ 35.922810][ T3084] lr : kernfs_remove_by_name_ns+0x84/0xb8 [ 35.924153][ T3084] sp : ffff80001273ba60 [ 35.925157][ T3084] x29: ffff80001273ba60 x28: ffff80000cf01000 x27: ffff0000c5252908 [ 35.927123][ T3084] x26: ffff0000c5252908 x25: ffff80001273bb88 x24: ffff0000cca08480 [ 35.929066][ T3084] x23: ffff0000c4ce0000 x22: 0000000000000000 x21: 0000000000000000 [ 35.930907][ T3084] x20: ffff80000cc5b3a4 x19: 0000000000000000 x18: 00000000000000c0 [ 35.932837][ T3084] x17: ffff80000dd0b198 x16: ffff80000db49158 x15: ffff0000c694cf80 [ 35.934658][ T3084] x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c694cf80 [ 35.936518][ T3084] x11: ff808000081c0d5c x10: 0000000000000000 x9 : b7d2205cb5166900 [ 35.938392][ T3084] x8 : b7d2205cb5166900 x7 : ffff80000819545c x6 : 0000000000000000 [ 35.940317][ T3084] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 35.942108][ T3084] x2 : ffff0001fefbecd0 x1 : 0000000100000000 x0 : 0000000000000037 [ 35.943991][ T3084] Call trace: [ 35.944808][ T3084] kernfs_remove_by_name_ns+0x84/0xb8 [ 35.946042][ T3084] sysfs_remove_group+0x68/0x160 [ 35.947272][ T3084] sysfs_remove_groups+0x3c/0x78 [ 35.948498][ T3084] __kobject_del+0x34/0x1f8 [ 35.949576][ T3084] kobject_del+0x28/0x110 [ 35.950552][ T3084] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 35.951888][ T3084] blk_mq_update_nr_hw_queues+0x254/0x6e0 [ 35.953245][ T3084] nbd_start_device+0xc4/0x500 [ 35.954378][ T3084] nbd_start_device_ioctl+0x3c/0x25c [ 35.955561][ T3084] __nbd_ioctl+0x16c/0x334 [ 35.956517][ T3084] nbd_ioctl+0xec/0x13c [ 35.957534][ T3084] blkdev_ioctl+0x24c/0x6d8 [ 35.958536][ T3084] __arm64_sys_ioctl+0xd0/0x140 [ 35.959695][ T3084] el0_svc_common+0x138/0x220 [ 35.960792][ T3084] do_el0_svc+0x48/0x164 [ 35.961822][ T3084] el0_svc+0x58/0x150 [ 35.962702][ T3084] el0t_64_sync_handler+0x84/0xf0 [ 35.963900][ T3084] el0t_64_sync+0x18c/0x190 [ 35.964933][ T3084] irq event stamp: 2808 [ 35.965881][ T3084] hardirqs last enabled at (2807): [] __up_console_sem+0xb0/0xfc [ 35.968122][ T3084] hardirqs last disabled at (2808): [] el1_dbg+0x24/0x5c [ 35.970047][ T3084] softirqs last enabled at (2786): [] _stext+0x2e4/0x37c [ 35.971994][ T3084] softirqs last disabled at (2773): [] ____do_softirq+0x14/0x20 [ 35.974032][ T3084] ---[ end trace 0000000000000000 ]--- [ 35.975314][ T3084] ------------[ cut here ]------------ [ 35.976524][ T3084] kernfs: can not remove 'cpu_list', no directory [ 35.978115][ T3084] WARNING: CPU: 0 PID: 3084 at fs/kernfs/dir.c:1580 kernfs_remove_by_name_ns+0x84/0xb8 [ 35.980150][ T3084] Modules linked in: [ 35.981012][ T3084] CPU: 0 PID: 3084 Comm: syz-executor232 Tainted: G W 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 35.983627][ T3084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 35.986069][ T3084] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 35.987883][ T3084] pc : kernfs_remove_by_name_ns+0x84/0xb8 [ 35.989216][ T3084] lr : kernfs_remove_by_name_ns+0x84/0xb8 [ 35.990607][ T3084] sp : ffff80001273ba60 [ 35.991489][ T3084] x29: ffff80001273ba60 x28: ffff80000cf01000 x27: ffff0000c5252908 [ 35.993340][ T3084] x26: ffff0000c5252908 x25: ffff80001273bb88 x24: ffff0000cca08480 [ 35.995347][ T3084] x23: ffff0000c4ce0000 x22: 0000000000000000 x21: 0000000000000000 [ 35.997501][ T3084] x20: ffff80000cca5e6c x19: 0000000000000000 x18: 00000000000000c0 [ 35.999663][ T3084] x17: ffff80000dd0b198 x16: ffff80000db49158 x15: ffff0000c694cf80 [ 36.001685][ T3084] x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c694cf80 [ 36.003849][ T3084] x11: ff808000081c0d5c x10: 0000000000000000 x9 : b7d2205cb5166900 [ 36.005778][ T3084] x8 : b7d2205cb5166900 x7 : ffff80000819545c x6 : 0000000000000000 [ 36.007683][ T3084] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 36.009529][ T3084] x2 : ffff0001fefbecd0 x1 : 0000000100000000 x0 : 000000000000002f [ 36.011390][ T3084] Call trace: [ 36.012103][ T3084] kernfs_remove_by_name_ns+0x84/0xb8 [ 36.013384][ T3084] sysfs_remove_group+0x68/0x160 [ 36.014523][ T3084] sysfs_remove_groups+0x3c/0x78 [ 36.015642][ T3084] __kobject_del+0x34/0x1f8 [ 36.016711][ T3084] kobject_del+0x28/0x110 [ 36.017643][ T3084] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 36.019007][ T3084] blk_mq_update_nr_hw_queues+0x254/0x6e0 [ 36.020293][ T3084] nbd_start_device+0xc4/0x500 [ 36.021526][ T3084] nbd_start_device_ioctl+0x3c/0x25c [ 36.022798][ T3084] __nbd_ioctl+0x16c/0x334 [ 36.023865][ T3084] nbd_ioctl+0xec/0x13c [ 36.024931][ T3084] blkdev_ioctl+0x24c/0x6d8 [ 36.025995][ T3084] __arm64_sys_ioctl+0xd0/0x140 [ 36.027088][ T3084] el0_svc_common+0x138/0x220 [ 36.028228][ T3084] do_el0_svc+0x48/0x164 [ 36.029273][ T3084] el0_svc+0x58/0x150 [ 36.030223][ T3084] el0t_64_sync_handler+0x84/0xf0 [ 36.031462][ T3084] el0t_64_sync+0x18c/0x190 [ 36.032518][ T3084] irq event stamp: 2844 [ 36.033564][ T3084] hardirqs last enabled at (2843): [] __up_console_sem+0xb0/0xfc [ 36.035925][ T3084] hardirqs last disabled at (2844): [] el1_dbg+0x24/0x5c [ 36.038031][ T3084] softirqs last enabled at (2820): [] _stext+0x2e4/0x37c [ 36.040102][ T3084] softirqs last disabled at (2811): [] ____do_softirq+0x14/0x20 [ 36.042416][ T3084] ---[ end trace 0000000000000000 ]--- [ 36.043834][ T3084] ------------[ cut here ]------------ [ 36.045149][ T3084] kernfs: can not remove 'nr_tags', no directory [ 36.046761][ T3084] WARNING: CPU: 0 PID: 3084 at fs/kernfs/dir.c:1580 kernfs_remove_by_name_ns+0x84/0xb8 [ 36.049014][ T3084] Modules linked in: [ 36.049939][ T3084] CPU: 0 PID: 3084 Comm: syz-executor232 Tainted: G W 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 36.052806][ T3084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 36.055249][ T3084] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 36.056974][ T3084] pc : kernfs_remove_by_name_ns+0x84/0xb8 [ 36.058376][ T3084] lr : kernfs_remove_by_name_ns+0x84/0xb8 [ 36.059832][ T3084] sp : ffff80001273ba60 [ 36.060864][ T3084] x29: ffff80001273ba60 x28: ffff80000cf01000 x27: ffff0000c5252908 [ 36.062934][ T3084] x26: ffff0000c5252908 x25: ffff80001273bb88 x24: ffff0000cca08480 [ 36.064959][ T3084] x23: ffff0000c4ce0000 x22: 0000000000000000 x21: 0000000000000000 [ 36.066826][ T3084] x20: ffff80000cc5b39c x19: 0000000000000000 x18: 00000000000000c0 [ 36.068710][ T3084] x17: ffff80000dd0b198 x16: ffff80000db49158 x15: ffff0000c694cf80 [ 36.070582][ T3084] x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c694cf80 [ 36.072635][ T3084] x11: ff808000081c0d5c x10: 0000000000000000 x9 : b7d2205cb5166900 [ 36.074631][ T3084] x8 : b7d2205cb5166900 x7 : ffff80000819545c x6 : 0000000000000000 [ 36.076527][ T3084] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 36.078356][ T3084] x2 : ffff0001fefbecd0 x1 : 0000000100000000 x0 : 000000000000002e [ 36.080261][ T3084] Call trace: [ 36.081075][ T3084] kernfs_remove_by_name_ns+0x84/0xb8 [ 36.082260][ T3084] sysfs_remove_group+0x68/0x160 [ 36.083411][ T3084] sysfs_remove_groups+0x3c/0x78 [ 36.084563][ T3084] __kobject_del+0x34/0x1f8 [ 36.085573][ T3084] kobject_del+0x28/0x110 [ 36.086589][ T3084] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 36.087933][ T3084] blk_mq_update_nr_hw_queues+0x254/0x6e0 [ 36.089261][ T3084] nbd_start_device+0xc4/0x500 [ 36.090385][ T3084] nbd_start_device_ioctl+0x3c/0x25c [ 36.091527][ T3084] __nbd_ioctl+0x16c/0x334 [ 36.092473][ T3084] nbd_ioctl+0xec/0x13c [ 36.093474][ T3084] blkdev_ioctl+0x24c/0x6d8 [ 36.094475][ T3084] __arm64_sys_ioctl+0xd0/0x140 [ 36.095557][ T3084] el0_svc_common+0x138/0x220 [ 36.096600][ T3084] do_el0_svc+0x48/0x164 [ 36.097615][ T3084] el0_svc+0x58/0x150 [ 36.098501][ T3084] el0t_64_sync_handler+0x84/0xf0 [ 36.099642][ T3084] el0t_64_sync+0x18c/0x190 [ 36.100721][ T3084] irq event stamp: 2884 [ 36.101640][ T3084] hardirqs last enabled at (2883): [] __up_console_sem+0xb0/0xfc [ 36.103859][ T3084] hardirqs last disabled at (2884): [] el1_dbg+0x24/0x5c [ 36.105919][ T3084] softirqs last enabled at (2858): [] _stext+0x2e4/0x37c [ 36.107952][ T3084] softirqs last disabled at (2847): [] ____do_softirq+0x14/0x20 [ 36.110093][ T3084] ---[ end trace 0000000000000000 ]--- [ 36.112377][ T3084] ------------[ cut here ]------------ [ 36.113597][ T3084] kernfs: can not remove 'nr_reserved_tags', no directory [ 36.115293][ T3084] WARNING: CPU: 0 PID: 3084 at fs/kernfs/dir.c:1580 kernfs_remove_by_name_ns+0x84/0xb8 [ 36.117457][ T3084] Modules linked in: [ 36.118358][ T3084] CPU: 0 PID: 3084 Comm: syz-executor232 Tainted: G W 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 36.121150][ T3084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 36.123461][ T3084] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 36.125151][ T3084] pc : kernfs_remove_by_name_ns+0x84/0xb8 [ 36.126310][ T3084] lr : kernfs_remove_by_name_ns+0x84/0xb8 [ 36.127525][ T3084] sp : ffff80001273ba60 [ 36.128423][ T3084] x29: ffff80001273ba60 x28: ffff80000cf01000 x27: ffff0000c5252908 [ 36.130328][ T3084] x26: ffff0000c5252908 x25: ffff80001273bb88 x24: ffff0000cca08480 [ 36.132314][ T3084] x23: ffff0000c4ce0000 x22: 0000000000000000 x21: 0000000000000000 [ 36.134118][ T3084] x20: ffff80000cc5b3a4 x19: 0000000000000000 x18: 00000000000000c0 [ 36.135971][ T3084] x17: ffff80000dd0b198 x16: ffff80000db49158 x15: ffff0000c694cf80 [ 36.137774][ T3084] x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c694cf80 [ 36.139760][ T3084] x11: ff808000081c0d5c x10: 0000000000000000 x9 : b7d2205cb5166900 [ 36.141591][ T3084] x8 : b7d2205cb5166900 x7 : ffff80000819545c x6 : 0000000000000000 [ 36.143512][ T3084] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 36.145345][ T3084] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000037 [ 36.147129][ T3084] Call trace: [ 36.147848][ T3084] kernfs_remove_by_name_ns+0x84/0xb8 [ 36.149138][ T3084] sysfs_remove_group+0x68/0x160 [ 36.150277][ T3084] sysfs_remove_groups+0x3c/0x78 [ 36.151494][ T3084] __kobject_del+0x34/0x1f8 [ 36.152661][ T3084] kobject_del+0x28/0x110 [ 36.153743][ T3084] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 36.155093][ T3084] blk_mq_update_nr_hw_queues+0x254/0x6e0 [ 36.156557][ T3084] nbd_start_device+0xc4/0x500 [ 36.157725][ T3084] nbd_start_device_ioctl+0x3c/0x25c [ 36.158856][ T3084] __nbd_ioctl+0x16c/0x334 [ 36.159725][ T3084] nbd_ioctl+0xec/0x13c [ 36.160590][ T3084] blkdev_ioctl+0x24c/0x6d8 [ 36.161573][ T3084] __arm64_sys_ioctl+0xd0/0x140 [ 36.162676][ T3084] el0_svc_common+0x138/0x220 [ 36.163763][ T3084] do_el0_svc+0x48/0x164 [ 36.164778][ T3084] el0_svc+0x58/0x150 [ 36.165704][ T3084] el0t_64_sync_handler+0x84/0xf0 [ 36.166944][ T3084] el0t_64_sync+0x18c/0x190 [ 36.167943][ T3084] irq event stamp: 3006 [ 36.168874][ T3084] hardirqs last enabled at (3005): [] __up_console_sem+0xb0/0xfc [ 36.171003][ T3084] hardirqs last disabled at (3006): [] el1_dbg+0x24/0x5c [ 36.172999][ T3084] softirqs last enabled at (2980): [] _stext+0x2e4/0x37c [ 36.175050][ T3084] softirqs last disabled at (2887): [] ____do_softirq+0x14/0x20 [ 36.177207][ T3084] ---[ end trace 0000000000000000 ]--- [ 36.178600][ T3084] ------------[ cut here ]------------ [ 36.179622][ T3084] kernfs: can not remove 'cpu_list', no directory [ 36.180805][ T3084] WARNING: CPU: 0 PID: 3084 at fs/kernfs/dir.c:1580 kernfs_remove_by_name_ns+0x84/0xb8 [ 36.182860][ T3084] Modules linked in: [ 36.183704][ T3084] CPU: 0 PID: 3084 Comm: syz-executor232 Tainted: G W 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 36.186469][ T3084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 36.188699][ T3084] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 36.190628][ T3084] pc : kernfs_remove_by_name_ns+0x84/0xb8 [ 36.191867][ T3084] lr : kernfs_remove_by_name_ns+0x84/0xb8 [ 36.193273][ T3084] sp : ffff80001273ba60 [ 36.194233][ T3084] x29: ffff80001273ba60 x28: ffff80000cf01000 x27: ffff0000c5252908 [ 36.196133][ T3084] x26: ffff0000c5252908 x25: ffff80001273bb88 x24: ffff0000cca08480 [ 36.198210][ T3084] x23: ffff0000c4ce0000 x22: 0000000000000000 x21: 0000000000000000 [ 36.200402][ T3084] x20: ffff80000cca5e6c x19: 0000000000000000 x18: 00000000000000c0 [ 36.202356][ T3084] x17: ffff80000dd0b198 x16: ffff80000db49158 x15: ffff0000c694cf80 [ 36.204239][ T3084] x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c694cf80 [ 36.206065][ T3084] x11: ff808000081c0d5c x10: 0000000000000000 x9 : b7d2205cb5166900 [ 36.207855][ T3084] x8 : b7d2205cb5166900 x7 : ffff80000819545c x6 : 0000000000000000 [ 36.209680][ T3084] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 36.211528][ T3084] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 000000000000002f [ 36.213332][ T3084] Call trace: [ 36.214118][ T3084] kernfs_remove_by_name_ns+0x84/0xb8 [ 36.215386][ T3084] sysfs_remove_group+0x68/0x160 [ 36.216660][ T3084] sysfs_remove_groups+0x3c/0x78 [ 36.218047][ T3084] __kobject_del+0x34/0x1f8 [ 36.219262][ T3084] kobject_del+0x28/0x110 [ 36.220419][ T3084] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 36.221914][ T3084] blk_mq_update_nr_hw_queues+0x254/0x6e0 [ 36.223188][ T3084] nbd_start_device+0xc4/0x500 [ 36.224287][ T3084] nbd_start_device_ioctl+0x3c/0x25c [ 36.225551][ T3084] __nbd_ioctl+0x16c/0x334 [ 36.226532][ T3084] nbd_ioctl+0xec/0x13c [ 36.227505][ T3084] blkdev_ioctl+0x24c/0x6d8 [ 36.228542][ T3084] __arm64_sys_ioctl+0xd0/0x140 [ 36.229629][ T3084] el0_svc_common+0x138/0x220 [ 36.230694][ T3084] do_el0_svc+0x48/0x164 [ 36.231702][ T3084] el0_svc+0x58/0x150 [ 36.232656][ T3084] el0t_64_sync_handler+0x84/0xf0 [ 36.233855][ T3084] el0t_64_sync+0x18c/0x190 [ 36.234974][ T3084] irq event stamp: 3044 [ 36.235891][ T3084] hardirqs last enabled at (3043): [] __up_console_sem+0xb0/0xfc [ 36.238096][ T3084] hardirqs last disabled at (3044): [] el1_dbg+0x24/0x5c [ 36.240218][ T3084] softirqs last enabled at (3018): [] _stext+0x2e4/0x37c [ 36.242279][ T3084] softirqs last disabled at (3009): [] ____do_softirq+0x14/0x20 [ 36.244411][ T3084] ---[ end trace 0000000000000000 ]--- [ 36.245923][ T3084] debugfs: out of free dentries, can not create directory 'hctx0' [ 36.249042][ T3084] block nbd0: shutting down sockets executing program [ 36.379047][ T3087] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 36.498627][ T3087] block nbd0: shutting down sockets executing program [ 36.617790][ T3090] block nbd0: Device being setup by another task [ 36.660626][ T3089] ------------[ cut here ]------------ [ 36.661906][ T3089] kernfs: can not remove 'nr_tags', no directory [ 36.663400][ T3089] WARNING: CPU: 1 PID: 3089 at fs/kernfs/dir.c:1580 kernfs_remove_by_name_ns+0x84/0xb8 [ 36.665532][ T3089] Modules linked in: [ 36.666538][ T3089] CPU: 1 PID: 3089 Comm: syz-executor232 Tainted: G W 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 36.669255][ T3089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 36.671707][ T3089] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 36.673710][ T3089] pc : kernfs_remove_by_name_ns+0x84/0xb8 [ 36.675016][ T3089] lr : kernfs_remove_by_name_ns+0x84/0xb8 [ 36.676473][ T3089] sp : ffff80001273ba60 [ 36.677421][ T3089] x29: ffff80001273ba60 x28: ffff80000cf01000 x27: ffff0000c5252908 [ 36.679191][ T3089] x26: ffff0000c5252908 x25: ffff80001273bb88 x24: ffff0000c8f38d80 [ 36.681061][ T3089] x23: ffff0000c4ce0000 x22: 0000000000000000 x21: 0000000000000000 [ 36.682887][ T3089] x20: ffff80000cc5b39c x19: 0000000000000000 x18: 00000000000000c0 [ 36.684956][ T3089] x17: ffff80000dd0b198 x16: ffff80000db49158 x15: ffff0000c694cf80 [ 36.686716][ T3089] x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c694cf80 [ 36.688472][ T3089] x11: ff808000081c0d5c x10: 0000000000000000 x9 : ce660dfaef425600 [ 36.690237][ T3089] x8 : ce660dfaef425600 x7 : ffff80000819545c x6 : 0000000000000000 [ 36.692030][ T3089] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 36.693789][ T3089] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 000000000000002e [ 36.695631][ T3089] Call trace: [ 36.696387][ T3089] kernfs_remove_by_name_ns+0x84/0xb8 [ 36.697659][ T3089] sysfs_remove_group+0x68/0x160 [ 36.698795][ T3089] sysfs_remove_groups+0x3c/0x78 [ 36.700017][ T3089] __kobject_del+0x34/0x1f8 [ 36.701051][ T3089] kobject_del+0x28/0x110 [ 36.702015][ T3089] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 36.703457][ T3089] blk_mq_update_nr_hw_queues+0x254/0x6e0 [ 36.704735][ T3089] nbd_start_device+0xc4/0x500 [ 36.705858][ T3089] nbd_start_device_ioctl+0x3c/0x25c [ 36.707061][ T3089] __nbd_ioctl+0x16c/0x334 [ 36.708157][ T3089] nbd_ioctl+0xec/0x13c [ 36.709067][ T3089] blkdev_ioctl+0x24c/0x6d8 [ 36.710150][ T3089] __arm64_sys_ioctl+0xd0/0x140 [ 36.711269][ T3089] el0_svc_common+0x138/0x220 [ 36.712448][ T3089] do_el0_svc+0x48/0x164 [ 36.713501][ T3089] el0_svc+0x58/0x150 [ 36.714379][ T3089] el0t_64_sync_handler+0x84/0xf0 [ 36.715530][ T3089] el0t_64_sync+0x18c/0x190 [ 36.716513][ T3089] irq event stamp: 2784 [ 36.717472][ T3089] hardirqs last enabled at (2783): [] __up_console_sem+0xb0/0xfc [ 36.719667][ T3089] hardirqs last disabled at (2784): [] el1_dbg+0x24/0x5c [ 36.721750][ T3089] softirqs last enabled at (262): [] local_bh_enable+0x10/0x34 [ 36.723854][ T3089] softirqs last disabled at (260): [] local_bh_disable+0x10/0x34 [ 36.725998][ T3089] ---[ end trace 0000000000000000 ]--- [ 36.727480][ T3089] ------------[ cut here ]------------ [ 36.728741][ T3089] kernfs: can not remove 'nr_reserved_tags', no directory [ 36.730416][ T3089] WARNING: CPU: 1 PID: 3089 at fs/kernfs/dir.c:1580 kernfs_remove_by_name_ns+0x84/0xb8 [ 36.732474][ T3089] Modules linked in: [ 36.733357][ T3089] CPU: 1 PID: 3089 Comm: syz-executor232 Tainted: G W 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 36.736203][ T3089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 36.738517][ T3089] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 36.740246][ T3089] pc : kernfs_remove_by_name_ns+0x84/0xb8 [ 36.741571][ T3089] lr : kernfs_remove_by_name_ns+0x84/0xb8 [ 36.742863][ T3089] sp : ffff80001273ba60 [ 36.743784][ T3089] x29: ffff80001273ba60 x28: ffff80000cf01000 x27: ffff0000c5252908 [ 36.745714][ T3089] x26: ffff0000c5252908 x25: ffff80001273bb88 x24: ffff0000c8f38d80 [ 36.747408][ T3089] x23: ffff0000c4ce0000 x22: 0000000000000000 x21: 0000000000000000 [ 36.749326][ T3089] x20: ffff80000cc5b3a4 x19: 0000000000000000 x18: 00000000000000c0 [ 36.751114][ T3089] x17: ffff80000dd0b198 x16: ffff80000db49158 x15: ffff0000c694cf80 [ 36.752941][ T3089] x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c694cf80 [ 36.754773][ T3089] x11: ff808000081c0d5c x10: 0000000000000000 x9 : ce660dfaef425600 [ 36.756666][ T3089] x8 : ce660dfaef425600 x7 : ffff80000819545c x6 : 0000000000000000 [ 36.758549][ T3089] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 36.760417][ T3089] x2 : ffff0001fefddcd0 x1 : 0000000100000000 x0 : 0000000000000037 [ 36.762261][ T3089] Call trace: [ 36.763088][ T3089] kernfs_remove_by_name_ns+0x84/0xb8 [ 36.764296][ T3089] sysfs_remove_group+0x68/0x160 [ 36.765457][ T3089] sysfs_remove_groups+0x3c/0x78 [ 36.766552][ T3089] __kobject_del+0x34/0x1f8 [ 36.767546][ T3089] kobject_del+0x28/0x110 [ 36.768503][ T3089] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 36.769832][ T3089] blk_mq_update_nr_hw_queues+0x254/0x6e0 [ 36.771146][ T3089] nbd_start_device+0xc4/0x500 [ 36.772274][ T3089] nbd_start_device_ioctl+0x3c/0x25c [ 36.773467][ T3089] __nbd_ioctl+0x16c/0x334 [ 36.774433][ T3089] nbd_ioctl+0xec/0x13c [ 36.775359][ T3089] blkdev_ioctl+0x24c/0x6d8 [ 36.776383][ T3089] __arm64_sys_ioctl+0xd0/0x140 [ 36.777512][ T3089] el0_svc_common+0x138/0x220 [ 36.778581][ T3089] do_el0_svc+0x48/0x164 [ 36.779576][ T3089] el0_svc+0x58/0x150 [ 36.780489][ T3089] el0t_64_sync_handler+0x84/0xf0 [ 36.781718][ T3089] el0t_64_sync+0x18c/0x190 [ 36.782750][ T3089] irq event stamp: 2846 [ 36.783673][ T3089] hardirqs last enabled at (2845): [] __up_console_sem+0xb0/0xfc [ 36.785928][ T3089] hardirqs last disabled at (2846): [] el1_dbg+0x24/0x5c [ 36.787808][ T3089] softirqs last enabled at (2830): [] _stext+0x2e4/0x37c [ 36.789927][ T3089] softirqs last disabled at (2819): [] ____do_softirq+0x14/0x20 [ 36.792106][ T3089] ---[ end trace 0000000000000000 ]--- [ 36.793427][ T3089] ------------[ cut here ]------------ [ 36.794577][ T3089] kernfs: can not remove 'cpu_list', no directory [ 36.796060][ T3089] WARNING: CPU: 1 PID: 3089 at fs/kernfs/dir.c:1580 kernfs_remove_by_name_ns+0x84/0xb8 [ 36.798332][ T3089] Modules linked in: [ 36.799287][ T3089] CPU: 1 PID: 3089 Comm: syz-executor232 Tainted: G W 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 36.802112][ T3089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 36.804621][ T3089] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 36.806683][ T3089] pc : kernfs_remove_by_name_ns+0x84/0xb8 [ 36.808124][ T3089] lr : kernfs_remove_by_name_ns+0x84/0xb8 [ 36.809476][ T3089] sp : ffff80001273ba60 [ 36.810427][ T3089] x29: ffff80001273ba60 x28: ffff80000cf01000 x27: ffff0000c5252908 [ 36.812235][ T3089] x26: ffff0000c5252908 x25: ffff80001273bb88 x24: ffff0000c8f38d80 [ 36.813741][ T3089] x23: ffff0000c4ce0000 x22: 0000000000000000 x21: 0000000000000000 [ 36.815156][ T3089] x20: ffff80000cca5e6c x19: 0000000000000000 x18: 00000000000000c0 [ 36.816902][ T3089] x17: ffff80000dd0b198 x16: ffff80000db49158 x15: ffff0000c694cf80 [ 36.818777][ T3089] x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c694cf80 [ 36.820705][ T3089] x11: ff808000081c0d5c x10: 0000000000000000 x9 : ce660dfaef425600 [ 36.822639][ T3089] x8 : ce660dfaef425600 x7 : ffff80000819545c x6 : 0000000000000000 [ 36.824620][ T3089] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 36.826510][ T3089] x2 : ffff0001fefddcd0 x1 : 0000000100000000 x0 : 000000000000002f [ 36.828347][ T3089] Call trace: [ 36.829128][ T3089] kernfs_remove_by_name_ns+0x84/0xb8 [ 36.830390][ T3089] sysfs_remove_group+0x68/0x160 [ 36.831581][ T3089] sysfs_remove_groups+0x3c/0x78 [ 36.832727][ T3089] __kobject_del+0x34/0x1f8 [ 36.833747][ T3089] kobject_del+0x28/0x110 [ 36.834792][ T3089] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 36.836075][ T3089] blk_mq_update_nr_hw_queues+0x254/0x6e0 [ 36.837390][ T3089] nbd_start_device+0xc4/0x500 [ 36.838527][ T3089] nbd_start_device_ioctl+0x3c/0x25c [ 36.839697][ T3089] __nbd_ioctl+0x16c/0x334 [ 36.840741][ T3089] nbd_ioctl+0xec/0x13c [ 36.841801][ T3089] blkdev_ioctl+0x24c/0x6d8 [ 36.842973][ T3089] __arm64_sys_ioctl+0xd0/0x140 [ 36.844164][ T3089] el0_svc_common+0x138/0x220 [ 36.845257][ T3089] do_el0_svc+0x48/0x164 [ 36.846201][ T3089] el0_svc+0x58/0x150 [ 36.847145][ T3089] el0t_64_sync_handler+0x84/0xf0 [ 36.848302][ T3089] el0t_64_sync+0x18c/0x190 [ 36.849370][ T3089] irq event stamp: 2890 [ 36.850314][ T3089] hardirqs last enabled at (2889): [] __up_console_sem+0xb0/0xfc [ 36.852560][ T3089] hardirqs last disabled at (2890): [] el1_dbg+0x24/0x5c [ 36.854590][ T3089] softirqs last enabled at (2868): [] _stext+0x2e4/0x37c [ 36.856699][ T3089] softirqs last disabled at (2849): [] ____do_softirq+0x14/0x20 [ 36.858849][ T3089] ---[ end trace 0000000000000000 ]--- [ 36.861065][ T3089] ------------[ cut here ]------------ [ 36.862275][ T3089] kernfs: can not remove 'nr_tags', no directory [ 36.863777][ T3089] WARNING: CPU: 1 PID: 3089 at fs/kernfs/dir.c:1580 kernfs_remove_by_name_ns+0x84/0xb8 [ 36.866195][ T3089] Modules linked in: [ 36.867161][ T3089] CPU: 1 PID: 3089 Comm: syz-executor232 Tainted: G W 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 36.870325][ T3089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 36.872831][ T3089] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 36.874571][ T3089] pc : kernfs_remove_by_name_ns+0x84/0xb8 [ 36.875927][ T3089] lr : kernfs_remove_by_name_ns+0x84/0xb8 [ 36.877315][ T3089] sp : ffff80001273ba60 [ 36.878433][ T3089] x29: ffff80001273ba60 x28: ffff80000cf01000 x27: ffff0000c5252908 [ 36.880385][ T3089] x26: ffff0000c5252908 x25: ffff80001273bb88 x24: ffff0000c8f38d80 [ 36.882232][ T3089] x23: ffff0000c4ce0000 x22: 0000000000000000 x21: 0000000000000000 [ 36.883977][ T3089] x20: ffff80000cc5b39c x19: 0000000000000000 x18: 00000000000000c0 [ 36.885823][ T3089] x17: ffff80000dd0b198 x16: ffff80000db49158 x15: ffff0000c694cf80 [ 36.887780][ T3089] x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c694cf80 [ 36.889573][ T3089] x11: ff808000081c0d5c x10: 0000000000000000 x9 : ce660dfaef425600 [ 36.891368][ T3089] x8 : ce660dfaef425600 x7 : ffff80000819545c x6 : 0000000000000000 [ 36.893296][ T3089] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 36.895156][ T3089] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 000000000000002e [ 36.897016][ T3089] Call trace: [ 36.897862][ T3089] kernfs_remove_by_name_ns+0x84/0xb8 [ 36.899068][ T3089] sysfs_remove_group+0x68/0x160 [ 36.900207][ T3089] sysfs_remove_groups+0x3c/0x78 [ 36.901415][ T3089] __kobject_del+0x34/0x1f8 [ 36.902465][ T3089] kobject_del+0x28/0x110 [ 36.903416][ T3089] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 36.904858][ T3089] blk_mq_update_nr_hw_queues+0x254/0x6e0 [ 36.906215][ T3089] nbd_start_device+0xc4/0x500 [ 36.907325][ T3089] nbd_start_device_ioctl+0x3c/0x25c [ 36.908594][ T3089] __nbd_ioctl+0x16c/0x334 [ 36.909580][ T3089] nbd_ioctl+0xec/0x13c [ 36.910544][ T3089] blkdev_ioctl+0x24c/0x6d8 [ 36.911604][ T3089] __arm64_sys_ioctl+0xd0/0x140 [ 36.912745][ T3089] el0_svc_common+0x138/0x220 [ 36.913890][ T3089] do_el0_svc+0x48/0x164 [ 36.914937][ T3089] el0_svc+0x58/0x150 [ 36.915920][ T3089] el0t_64_sync_handler+0x84/0xf0 [ 36.917111][ T3089] el0t_64_sync+0x18c/0x190 [ 36.918218][ T3089] irq event stamp: 3672 [ 36.919194][ T3089] hardirqs last enabled at (3671): [] __up_console_sem+0xb0/0xfc [ 36.921477][ T3089] hardirqs last disabled at (3672): [] el1_dbg+0x24/0x5c [ 36.923317][ T3089] softirqs last enabled at (3646): [] _stext+0x2e4/0x37c [ 36.925357][ T3089] softirqs last disabled at (2893): [] ____do_softirq+0x14/0x20 [ 36.927240][ T3089] ---[ end trace 0000000000000000 ]--- [ 36.928408][ T3089] ------------[ cut here ]------------ [ 36.929574][ T3089] kernfs: can not remove 'nr_reserved_tags', no directory [ 36.931138][ T3089] WARNING: CPU: 1 PID: 3089 at fs/kernfs/dir.c:1580 kernfs_remove_by_name_ns+0x84/0xb8 [ 36.933289][ T3089] Modules linked in: [ 36.934356][ T3089] CPU: 1 PID: 3089 Comm: syz-executor232 Tainted: G W 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 36.937245][ T3089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 36.939736][ T3089] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 36.941617][ T3089] pc : kernfs_remove_by_name_ns+0x84/0xb8 [ 36.942993][ T3089] lr : kernfs_remove_by_name_ns+0x84/0xb8 [ 36.944289][ T3089] sp : ffff80001273ba60 [ 36.945265][ T3089] x29: ffff80001273ba60 x28: ffff80000cf01000 x27: ffff0000c5252908 [ 36.947090][ T3089] x26: ffff0000c5252908 x25: ffff80001273bb88 x24: ffff0000c8f38d80 [ 36.949053][ T3089] x23: ffff0000c4ce0000 x22: 0000000000000000 x21: 0000000000000000 [ 36.951153][ T3089] x20: ffff80000cc5b3a4 x19: 0000000000000000 x18: 00000000000000c0 [ 36.953274][ T3089] x17: ffff80000dd0b198 x16: ffff80000db49158 x15: ffff0000c694cf80 [ 36.955402][ T3089] x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c694cf80 [ 36.957548][ T3089] x11: ff808000081c0d5c x10: 0000000000000000 x9 : ce660dfaef425600 [ 36.959671][ T3089] x8 : ce660dfaef425600 x7 : ffff80000819545c x6 : 0000000000000000 [ 36.961864][ T3089] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 36.963960][ T3089] x2 : ffff0001fefddcd0 x1 : 0000000100000000 x0 : 0000000000000037 [ 36.965861][ T3089] Call trace: [ 36.966631][ T3089] kernfs_remove_by_name_ns+0x84/0xb8 [ 36.967883][ T3089] sysfs_remove_group+0x68/0x160 [ 36.968973][ T3089] sysfs_remove_groups+0x3c/0x78 [ 36.970151][ T3089] __kobject_del+0x34/0x1f8 [ 36.971199][ T3089] kobject_del+0x28/0x110 [ 36.972174][ T3089] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 36.973593][ T3089] blk_mq_update_nr_hw_queues+0x254/0x6e0 [ 36.974936][ T3089] nbd_start_device+0xc4/0x500 [ 36.976027][ T3089] nbd_start_device_ioctl+0x3c/0x25c [ 36.977344][ T3089] __nbd_ioctl+0x16c/0x334 [ 36.978314][ T3089] nbd_ioctl+0xec/0x13c [ 36.979267][ T3089] blkdev_ioctl+0x24c/0x6d8 [ 36.980249][ T3089] __arm64_sys_ioctl+0xd0/0x140 [ 36.981418][ T3089] el0_svc_common+0x138/0x220 [ 36.982477][ T3089] do_el0_svc+0x48/0x164 [ 36.983498][ T3089] el0_svc+0x58/0x150 [ 36.984389][ T3089] el0t_64_sync_handler+0x84/0xf0 [ 36.985540][ T3089] el0t_64_sync+0x18c/0x190 [ 36.986531][ T3089] irq event stamp: 3708 [ 36.987591][ T3089] hardirqs last enabled at (3707): [] __up_console_sem+0xb0/0xfc [ 36.989753][ T3089] hardirqs last disabled at (3708): [] el1_dbg+0x24/0x5c [ 36.991706][ T3089] softirqs last enabled at (3686): [] _stext+0x2e4/0x37c [ 36.993805][ T3089] softirqs last disabled at (3675): [] ____do_softirq+0x14/0x20 [ 36.996026][ T3089] ---[ end trace 0000000000000000 ]--- [ 36.997374][ T3089] ------------[ cut here ]------------ [ 36.998725][ T3089] kernfs: can not remove 'cpu_list', no directory [ 37.000353][ T3089] WARNING: CPU: 1 PID: 3089 at fs/kernfs/dir.c:1580 kernfs_remove_by_name_ns+0x84/0xb8 [ 37.002614][ T3089] Modules linked in: [ 37.003522][ T3089] CPU: 1 PID: 3089 Comm: syz-executor232 Tainted: G W 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 37.006235][ T3089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 37.008572][ T3089] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 37.010550][ T3089] pc : kernfs_remove_by_name_ns+0x84/0xb8 [ 37.012019][ T3089] lr : kernfs_remove_by_name_ns+0x84/0xb8 [ 37.013354][ T3089] sp : ffff80001273ba60 [ 37.014364][ T3089] x29: ffff80001273ba60 x28: ffff80000cf01000 x27: ffff0000c5252908 [ 37.016197][ T3089] x26: ffff0000c5252908 x25: ffff80001273bb88 x24: ffff0000c8f38d80 [ 37.018004][ T3089] x23: ffff0000c4ce0000 x22: 0000000000000000 x21: 0000000000000000 [ 37.019900][ T3089] x20: ffff80000cca5e6c x19: 0000000000000000 x18: 00000000000000c0 [ 37.021752][ T3089] x17: ffff80000dd0b198 x16: ffff80000db49158 x15: ffff0000c694cf80 [ 37.023554][ T3089] x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c694cf80 [ 37.025501][ T3089] x11: ff808000081c0d5c x10: 0000000000000000 x9 : ce660dfaef425600 [ 37.027383][ T3089] x8 : ce660dfaef425600 x7 : ffff80000819545c x6 : 0000000000000000 [ 37.029215][ T3089] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 37.031184][ T3089] x2 : ffff0001fefddcd0 x1 : 0000000100000000 x0 : 000000000000002f [ 37.033011][ T3089] Call trace: [ 37.033762][ T3089] kernfs_remove_by_name_ns+0x84/0xb8 [ 37.035017][ T3089] sysfs_remove_group+0x68/0x160 [ 37.036195][ T3089] sysfs_remove_groups+0x3c/0x78 [ 37.037494][ T3089] __kobject_del+0x34/0x1f8 [ 37.038482][ T3089] kobject_del+0x28/0x110 [ 37.039483][ T3089] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 37.040830][ T3089] blk_mq_update_nr_hw_queues+0x254/0x6e0 [ 37.042128][ T3089] nbd_start_device+0xc4/0x500 [ 37.043273][ T3089] nbd_start_device_ioctl+0x3c/0x25c [ 37.044490][ T3089] __nbd_ioctl+0x16c/0x334 [ 37.045540][ T3089] nbd_ioctl+0xec/0x13c [ 37.046486][ T3089] blkdev_ioctl+0x24c/0x6d8 [ 37.047530][ T3089] __arm64_sys_ioctl+0xd0/0x140 [ 37.048700][ T3089] el0_svc_common+0x138/0x220 [ 37.049722][ T3089] do_el0_svc+0x48/0x164 [ 37.050723][ T3089] el0_svc+0x58/0x150 [ 37.051579][ T3089] el0t_64_sync_handler+0x84/0xf0 [ 37.052727][ T3089] el0t_64_sync+0x18c/0x190 [ 37.053787][ T3089] irq event stamp: 3752 [ 37.054776][ T3089] hardirqs last enabled at (3751): [] __up_console_sem+0xb0/0xfc [ 37.056941][ T3089] hardirqs last disabled at (3752): [] el1_dbg+0x24/0x5c [ 37.058868][ T3089] softirqs last enabled at (3728): [] _stext+0x2e4/0x37c [ 37.060845][ T3089] softirqs last disabled at (3711): [] ____do_softirq+0x14/0x20 [ 37.063032][ T3089] ---[ end trace 0000000000000000 ]--- [ 37.064523][ T3089] debugfs: out of free dentries, can not create directory 'hctx0' [ 37.067004][ T3089] block nbd0: shutting down sockets executing program [ 37.177786][ T3093] block nbd0: Device being setup by another task [ 37.179869][ T3092] debugfs: out of free dentries, can not create file 'blocksize_bits' [ 37.339529][ T3092] block nbd0: shutting down sockets executing program [ 37.469183][ T3095] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 37.588885][ T3095] block nbd0: shutting down sockets executing program [ 37.707814][ T3098] block nbd0: Device being setup by another task [ 37.770542][ T3097] ------------[ cut here ]------------ [ 37.771824][ T3097] kernfs: can not remove 'nr_tags', no directory [ 37.773514][ T3097] WARNING: CPU: 0 PID: 3097 at fs/kernfs/dir.c:1580 kernfs_remove_by_name_ns+0x84/0xb8 [ 37.775732][ T3097] Modules linked in: [ 37.776621][ T3097] CPU: 0 PID: 3097 Comm: syz-executor232 Tainted: G W 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 37.779351][ T3097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 37.781841][ T3097] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 37.783770][ T3097] pc : kernfs_remove_by_name_ns+0x84/0xb8 [ 37.785114][ T3097] lr : kernfs_remove_by_name_ns+0x84/0xb8 [ 37.786502][ T3097] sp : ffff8000126aba60 [ 37.787613][ T3097] x29: ffff8000126aba60 x28: ffff80000cf01000 x27: ffff0000c5252908 [ 37.789928][ T3097] x26: ffff0000c5252908 x25: ffff8000126abb88 x24: ffff0000c9b44f00 [ 37.791907][ T3097] x23: ffff0000c4ce0000 x22: 0000000000000000 x21: 0000000000000000 [ 37.793728][ T3097] x20: ffff80000cc5b39c x19: 0000000000000000 x18: 000000000000006c [ 37.795747][ T3097] x17: 0000000000000000 x16: ffff80000db49158 x15: ffff0000c6949a80 [ 37.797988][ T3097] x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c6949a80 [ 37.799689][ T3097] x11: ff808000081c0d5c x10: 0000000000000000 x9 : 7d6da504a5f07e00 [ 37.801569][ T3097] x8 : 7d6da504a5f07e00 x7 : ffff80000819545c x6 : 0000000000000000 [ 37.803580][ T3097] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 37.805584][ T3097] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 000000000000002e [ 37.807460][ T3097] Call trace: [ 37.808117][ T3097] kernfs_remove_by_name_ns+0x84/0xb8 [ 37.809230][ T3097] sysfs_remove_group+0x68/0x160 [ 37.810241][ T3097] sysfs_remove_groups+0x3c/0x78 [ 37.811233][ T3097] __kobject_del+0x34/0x1f8 [ 37.812234][ T3097] kobject_del+0x28/0x110 [ 37.813346][ T3097] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 37.815006][ T3097] blk_mq_update_nr_hw_queues+0x254/0x6e0 [ 37.816460][ T3097] nbd_start_device+0xc4/0x500 [ 37.817549][ T3097] nbd_start_device_ioctl+0x3c/0x25c [ 37.818801][ T3097] __nbd_ioctl+0x16c/0x334 [ 37.819820][ T3097] nbd_ioctl+0xec/0x13c [ 37.820968][ T3097] blkdev_ioctl+0x24c/0x6d8 [ 37.822157][ T3097] __arm64_sys_ioctl+0xd0/0x140 [ 37.823490][ T3097] el0_svc_common+0x138/0x220 [ 37.824548][ T3097] do_el0_svc+0x48/0x164 [ 37.825497][ T3097] el0_svc+0x58/0x150 [ 37.826466][ T3097] el0t_64_sync_handler+0x84/0xf0 [ 37.827587][ T3097] el0t_64_sync+0x18c/0x190 [ 37.828576][ T3097] irq event stamp: 2772 [ 37.829463][ T3097] hardirqs last enabled at (2771): [] __up_console_sem+0xb0/0xfc [ 37.831612][ T3097] hardirqs last disabled at (2772): [] el1_dbg+0x24/0x5c [ 37.833709][ T3097] softirqs last enabled at (226): [] local_bh_enable+0x10/0x34 [ 37.836027][ T3097] softirqs last disabled at (224): [] local_bh_disable+0x10/0x34 [ 37.838346][ T3097] ---[ end trace 0000000000000000 ]--- [ 37.839952][ T3097] ------------[ cut here ]------------ [ 37.841241][ T3097] kernfs: can not remove 'nr_reserved_tags', no directory [ 37.842934][ T3097] WARNING: CPU: 0 PID: 3097 at fs/kernfs/dir.c:1580 kernfs_remove_by_name_ns+0x84/0xb8 [ 37.845160][ T3097] Modules linked in: [ 37.846231][ T3097] CPU: 0 PID: 3097 Comm: syz-executor232 Tainted: G W 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 37.849308][ T3097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 37.851691][ T3097] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 37.853495][ T3097] pc : kernfs_remove_by_name_ns+0x84/0xb8 [ 37.855019][ T3097] lr : kernfs_remove_by_name_ns+0x84/0xb8 [ 37.856663][ T3097] sp : ffff8000126aba60 [ 37.857629][ T3097] x29: ffff8000126aba60 x28: ffff80000cf01000 x27: ffff0000c5252908 [ 37.859577][ T3097] x26: ffff0000c5252908 x25: ffff8000126abb88 x24: ffff0000c9b44f00 [ 37.861445][ T3097] x23: ffff0000c4ce0000 x22: 0000000000000000 x21: 0000000000000000 [ 37.863570][ T3097] x20: ffff80000cc5b3a4 x19: 0000000000000000 x18: 000000000000006c [ 37.865675][ T3097] x17: 0000000000000000 x16: ffff80000db49158 x15: ffff0000c6949a80 [ 37.867495][ T3097] x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c6949a80 [ 37.869392][ T3097] x11: ff808000081c0d5c x10: 0000000000000000 x9 : 7d6da504a5f07e00 [ 37.871519][ T3097] x8 : 7d6da504a5f07e00 x7 : ffff80000819545c x6 : 0000000000000000 [ 37.873390][ T3097] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 37.875312][ T3097] x2 : ffff0001fefbecd0 x1 : 0000000100000000 x0 : 0000000000000037 [ 37.877253][ T3097] Call trace: [ 37.878187][ T3097] kernfs_remove_by_name_ns+0x84/0xb8 [ 37.879489][ T3097] sysfs_remove_group+0x68/0x160 [ 37.880648][ T3097] sysfs_remove_groups+0x3c/0x78 [ 37.881736][ T3097] __kobject_del+0x34/0x1f8 [ 37.882798][ T3097] kobject_del+0x28/0x110 [ 37.883929][ T3097] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 37.885321][ T3097] blk_mq_update_nr_hw_queues+0x254/0x6e0 [ 37.886643][ T3097] nbd_start_device+0xc4/0x500 [ 37.887716][ T3097] nbd_start_device_ioctl+0x3c/0x25c [ 37.889040][ T3097] __nbd_ioctl+0x16c/0x334 [ 37.890026][ T3097] nbd_ioctl+0xec/0x13c [ 37.891252][ T3097] blkdev_ioctl+0x24c/0x6d8 [ 37.892319][ T3097] __arm64_sys_ioctl+0xd0/0x140 [ 37.893397][ T3097] el0_svc_common+0x138/0x220 [ 37.894535][ T3097] do_el0_svc+0x48/0x164 [ 37.895523][ T3097] el0_svc+0x58/0x150 [ 37.896421][ T3097] el0t_64_sync_handler+0x84/0xf0 [ 37.897641][ T3097] el0t_64_sync+0x18c/0x190 [ 37.898788][ T3097] irq event stamp: 2810 [ 37.899789][ T3097] hardirqs last enabled at (2809): [] __up_console_sem+0xb0/0xfc [ 37.901946][ T3097] hardirqs last disabled at (2810): [] el1_dbg+0x24/0x5c [ 37.903938][ T3097] softirqs last enabled at (2788): [] _stext+0x2e4/0x37c [ 37.906119][ T3097] softirqs last disabled at (2775): [] ____do_softirq+0x14/0x20 [ 37.908323][ T3097] ---[ end trace 0000000000000000 ]--- [ 37.909604][ T3097] ------------[ cut here ]------------ [ 37.911063][ T3097] kernfs: can not remove 'cpu_list', no directory [ 37.912660][ T3097] WARNING: CPU: 0 PID: 3097 at fs/kernfs/dir.c:1580 kernfs_remove_by_name_ns+0x84/0xb8 [ 37.914788][ T3097] Modules linked in: [ 37.915649][ T3097] CPU: 0 PID: 3097 Comm: syz-executor232 Tainted: G W 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 37.918633][ T3097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 37.921020][ T3097] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 37.923004][ T3097] pc : kernfs_remove_by_name_ns+0x84/0xb8 [ 37.924459][ T3097] lr : kernfs_remove_by_name_ns+0x84/0xb8 [ 37.925821][ T3097] sp : ffff8000126aba60 [ 37.926719][ T3097] x29: ffff8000126aba60 x28: ffff80000cf01000 x27: ffff0000c5252908 [ 37.928583][ T3097] x26: ffff0000c5252908 x25: ffff8000126abb88 x24: ffff0000c9b44f00 [ 37.930727][ T3097] x23: ffff0000c4ce0000 x22: 0000000000000000 x21: 0000000000000000 [ 37.932733][ T3097] x20: ffff80000cca5e6c x19: 0000000000000000 x18: 000000000000006c [ 37.934600][ T3097] x17: 0000000000000000 x16: ffff80000db49158 x15: ffff0000c6949a80 [ 37.936470][ T3097] x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c6949a80 [ 37.938554][ T3097] x11: ff808000081c0d5c x10: 0000000000000000 x9 : 7d6da504a5f07e00 [ 37.940219][ T3097] x8 : 7d6da504a5f07e00 x7 : ffff80000819545c x6 : 0000000000000000 [ 37.941862][ T3097] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 37.943594][ T3097] x2 : ffff0001fefbecd0 x1 : 0000000100000000 x0 : 000000000000002f [ 37.945453][ T3097] Call trace: [ 37.946172][ T3097] kernfs_remove_by_name_ns+0x84/0xb8 [ 37.947736][ T3097] sysfs_remove_group+0x68/0x160 [ 37.948840][ T3097] sysfs_remove_groups+0x3c/0x78 [ 37.949881][ T3097] __kobject_del+0x34/0x1f8 [ 37.950857][ T3097] kobject_del+0x28/0x110 [ 37.951930][ T3097] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 37.953296][ T3097] blk_mq_update_nr_hw_queues+0x254/0x6e0 [ 37.954767][ T3097] nbd_start_device+0xc4/0x500 [ 37.956117][ T3097] nbd_start_device_ioctl+0x3c/0x25c [ 37.957825][ T3097] __nbd_ioctl+0x16c/0x334 [ 37.958840][ T3097] nbd_ioctl+0xec/0x13c [ 37.959901][ T3097] blkdev_ioctl+0x24c/0x6d8 [ 37.960953][ T3097] __arm64_sys_ioctl+0xd0/0x140 [ 37.962134][ T3097] el0_svc_common+0x138/0x220 [ 37.963139][ T3097] do_el0_svc+0x48/0x164 [ 37.964113][ T3097] el0_svc+0x58/0x150 [ 37.965076][ T3097] el0t_64_sync_handler+0x84/0xf0 [ 37.966587][ T3097] el0t_64_sync+0x18c/0x190 [ 37.967846][ T3097] irq event stamp: 2844 [ 37.968794][ T3097] hardirqs last enabled at (2843): [] __up_console_sem+0xb0/0xfc [ 37.971060][ T3097] hardirqs last disabled at (2844): [] el1_dbg+0x24/0x5c [ 37.973075][ T3097] softirqs last enabled at (2822): [] _stext+0x2e4/0x37c [ 37.975420][ T3097] softirqs last disabled at (2813): [] ____do_softirq+0x14/0x20 [ 37.977760][ T3097] ---[ end trace 0000000000000000 ]--- [ 37.979116][ T3097] ------------[ cut here ]------------ [ 37.980441][ T3097] kernfs: can not remove 'nr_tags', no directory [ 37.982124][ T3097] WARNING: CPU: 0 PID: 3097 at fs/kernfs/dir.c:1580 kernfs_remove_by_name_ns+0x84/0xb8 [ 37.984706][ T3097] Modules linked in: [ 37.985490][ T3097] CPU: 0 PID: 3097 Comm: syz-executor232 Tainted: G W 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 37.987655][ T3097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 37.990015][ T3097] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 37.992171][ T3097] pc : kernfs_remove_by_name_ns+0x84/0xb8 [ 37.993513][ T3097] lr : kernfs_remove_by_name_ns+0x84/0xb8 [ 37.994803][ T3097] sp : ffff8000126aba60 [ 37.995894][ T3097] x29: ffff8000126aba60 x28: ffff80000cf01000 x27: ffff0000c5252908 [ 37.998038][ T3097] x26: ffff0000c5252908 x25: ffff8000126abb88 x24: ffff0000c9b44f00 [ 38.000208][ T3097] x23: ffff0000c4ce0000 x22: 0000000000000000 x21: 0000000000000000 [ 38.002069][ T3097] x20: ffff80000cc5b39c x19: 0000000000000000 x18: 000000000000006c [ 38.004009][ T3097] x17: 0000000000000000 x16: ffff80000db49158 x15: ffff0000c6949a80 [ 38.005957][ T3097] x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c6949a80 [ 38.007996][ T3097] x11: ff808000081c0d5c x10: 0000000000000000 x9 : 7d6da504a5f07e00 [ 38.009951][ T3097] x8 : 7d6da504a5f07e00 x7 : ffff80000819545c x6 : 0000000000000000 [ 38.011900][ T3097] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 38.013902][ T3097] x2 : ffff0001fefbecd0 x1 : 0000000100000000 x0 : 000000000000002e [ 38.015599][ T3097] Call trace: [ 38.016284][ T3097] kernfs_remove_by_name_ns+0x84/0xb8 [ 38.017249][ T3097] sysfs_remove_group+0x68/0x160 [ 38.018527][ T3097] sysfs_remove_groups+0x3c/0x78 [ 38.019761][ T3097] __kobject_del+0x34/0x1f8 [ 38.020826][ T3097] kobject_del+0x28/0x110 [ 38.021825][ T3097] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 38.023181][ T3097] blk_mq_update_nr_hw_queues+0x254/0x6e0 [ 38.024458][ T3097] nbd_start_device+0xc4/0x500 [ 38.025732][ T3097] nbd_start_device_ioctl+0x3c/0x25c [ 38.026904][ T3097] __nbd_ioctl+0x16c/0x334 [ 38.027840][ T3097] nbd_ioctl+0xec/0x13c [ 38.028703][ T3097] blkdev_ioctl+0x24c/0x6d8 [ 38.029634][ T3097] __arm64_sys_ioctl+0xd0/0x140 [ 38.030850][ T3097] el0_svc_common+0x138/0x220 [ 38.031853][ T3097] do_el0_svc+0x48/0x164 [ 38.033021][ T3097] el0_svc+0x58/0x150 [ 38.033947][ T3097] el0t_64_sync_handler+0x84/0xf0 [ 38.035186][ T3097] el0t_64_sync+0x18c/0x190 [ 38.036245][ T3097] irq event stamp: 2884 [ 38.037241][ T3097] hardirqs last enabled at (2883): [] __up_console_sem+0xb0/0xfc [ 38.039706][ T3097] hardirqs last disabled at (2884): [] el1_dbg+0x24/0x5c [ 38.041721][ T3097] softirqs last enabled at (2858): [] _stext+0x2e4/0x37c [ 38.043803][ T3097] softirqs last disabled at (2847): [] ____do_softirq+0x14/0x20 [ 38.046119][ T3097] ---[ end trace 0000000000000000 ]--- [ 38.048592][ T3097] ------------[ cut here ]------------ [ 38.049779][ T3097] kernfs: can not remove 'nr_reserved_tags', no directory [ 38.051597][ T3097] WARNING: CPU: 0 PID: 3097 at fs/kernfs/dir.c:1580 kernfs_remove_by_name_ns+0x84/0xb8 [ 38.053931][ T3097] Modules linked in: [ 38.054810][ T3097] CPU: 0 PID: 3097 Comm: syz-executor232 Tainted: G W 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 38.057516][ T3097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 38.059955][ T3097] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 38.061773][ T3097] pc : kernfs_remove_by_name_ns+0x84/0xb8 [ 38.063121][ T3097] lr : kernfs_remove_by_name_ns+0x84/0xb8 [ 38.064431][ T3097] sp : ffff8000126aba60 [ 38.065353][ T3097] x29: ffff8000126aba60 x28: ffff80000cf01000 x27: ffff0000c5252908 [ 38.067435][ T3097] x26: ffff0000c5252908 x25: ffff8000126abb88 x24: ffff0000c9b44f00 [ 38.069409][ T3097] x23: ffff0000c4ce0000 x22: 0000000000000000 x21: 0000000000000000 [ 38.071274][ T3097] x20: ffff80000cc5b3a4 x19: 0000000000000000 x18: 000000000000006c [ 38.073149][ T3097] x17: 0000000000000000 x16: ffff80000db49158 x15: ffff0000c6949a80 [ 38.075129][ T3097] x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c6949a80 [ 38.077344][ T3097] x11: ff808000081c0d5c x10: 0000000000000000 x9 : 7d6da504a5f07e00 [ 38.079169][ T3097] x8 : 7d6da504a5f07e00 x7 : ffff80000819545c x6 : 0000000000000000 [ 38.081025][ T3097] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 38.083104][ T3097] x2 : ffff0001fefbecd0 x1 : 0000000100000000 x0 : 0000000000000037 [ 38.085364][ T3097] Call trace: [ 38.086164][ T3097] kernfs_remove_by_name_ns+0x84/0xb8 [ 38.087452][ T3097] sysfs_remove_group+0x68/0x160 [ 38.088598][ T3097] sysfs_remove_groups+0x3c/0x78 [ 38.089761][ T3097] __kobject_del+0x34/0x1f8 [ 38.090923][ T3097] kobject_del+0x28/0x110 [ 38.092127][ T3097] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 38.093662][ T3097] blk_mq_update_nr_hw_queues+0x254/0x6e0 [ 38.094950][ T3097] nbd_start_device+0xc4/0x500 [ 38.095964][ T3097] nbd_start_device_ioctl+0x3c/0x25c [ 38.097165][ T3097] __nbd_ioctl+0x16c/0x334 [ 38.098173][ T3097] nbd_ioctl+0xec/0x13c [ 38.099308][ T3097] blkdev_ioctl+0x24c/0x6d8 [ 38.100436][ T3097] __arm64_sys_ioctl+0xd0/0x140 [ 38.101760][ T3097] el0_svc_common+0x138/0x220 [ 38.102842][ T3097] do_el0_svc+0x48/0x164 [ 38.103799][ T3097] el0_svc+0x58/0x150 [ 38.104696][ T3097] el0t_64_sync_handler+0x84/0xf0 [ 38.105834][ T3097] el0t_64_sync+0x18c/0x190 [ 38.106844][ T3097] irq event stamp: 2990 [ 38.107952][ T3097] hardirqs last enabled at (2989): [] __up_console_sem+0xb0/0xfc [ 38.110434][ T3097] hardirqs last disabled at (2990): [] el1_dbg+0x24/0x5c [ 38.112440][ T3097] softirqs last enabled at (2964): [] _stext+0x2e4/0x37c [ 38.114380][ T3097] softirqs last disabled at (2887): [] ____do_softirq+0x14/0x20 [ 38.116822][ T3097] ---[ end trace 0000000000000000 ]--- [ 38.118133][ T3097] ------------[ cut here ]------------ [ 38.119184][ T3097] kernfs: can not remove 'cpu_list', no directory [ 38.120413][ T3097] WARNING: CPU: 0 PID: 3097 at fs/kernfs/dir.c:1580 kernfs_remove_by_name_ns+0x84/0xb8 [ 38.122435][ T3097] Modules linked in: [ 38.123284][ T3097] CPU: 0 PID: 3097 Comm: syz-executor232 Tainted: G W 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 38.125715][ T3097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 38.127917][ T3097] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 38.129790][ T3097] pc : kernfs_remove_by_name_ns+0x84/0xb8 [ 38.131104][ T3097] lr : kernfs_remove_by_name_ns+0x84/0xb8 [ 38.132523][ T3097] sp : ffff8000126aba60 [ 38.133541][ T3097] x29: ffff8000126aba60 x28: ffff80000cf01000 x27: ffff0000c5252908 [ 38.135780][ T3097] x26: ffff0000c5252908 x25: ffff8000126abb88 x24: ffff0000c9b44f00 [ 38.137606][ T3097] x23: ffff0000c4ce0000 x22: 0000000000000000 x21: 0000000000000000 [ 38.139512][ T3097] x20: ffff80000cca5e6c x19: 0000000000000000 x18: 000000000000006c [ 38.141298][ T3097] x17: 0000000000000000 x16: ffff80000db49158 x15: ffff0000c6949a80 [ 38.143461][ T3097] x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c6949a80 [ 38.145092][ T3097] x11: ff808000081c0d5c x10: 0000000000000000 x9 : 7d6da504a5f07e00 [ 38.146941][ T3097] x8 : 7d6da504a5f07e00 x7 : ffff80000819545c x6 : 0000000000000000 [ 38.148995][ T3097] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 38.150770][ T3097] x2 : ffff0001fefbecd0 x1 : 0000000100000000 x0 : 000000000000002f [ 38.152627][ T3097] Call trace: [ 38.153384][ T3097] kernfs_remove_by_name_ns+0x84/0xb8 [ 38.154633][ T3097] sysfs_remove_group+0x68/0x160 [ 38.155959][ T3097] sysfs_remove_groups+0x3c/0x78 [ 38.156996][ T3097] __kobject_del+0x34/0x1f8 [ 38.158035][ T3097] kobject_del+0x28/0x110 [ 38.159010][ T3097] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 38.160415][ T3097] blk_mq_update_nr_hw_queues+0x254/0x6e0 [ 38.161837][ T3097] nbd_start_device+0xc4/0x500 [ 38.162961][ T3097] nbd_start_device_ioctl+0x3c/0x25c [ 38.164178][ T3097] __nbd_ioctl+0x16c/0x334 [ 38.165212][ T3097] nbd_ioctl+0xec/0x13c [ 38.166201][ T3097] blkdev_ioctl+0x24c/0x6d8 [ 38.167191][ T3097] __arm64_sys_ioctl+0xd0/0x140 [ 38.168523][ T3097] el0_svc_common+0x138/0x220 [ 38.169625][ T3097] do_el0_svc+0x48/0x164 [ 38.170600][ T3097] el0_svc+0x58/0x150 [ 38.171523][ T3097] el0t_64_sync_handler+0x84/0xf0 [ 38.172755][ T3097] el0t_64_sync+0x18c/0x190 [ 38.173723][ T3097] irq event stamp: 3034 [ 38.174611][ T3097] hardirqs last enabled at (3033): [] __up_console_sem+0xb0/0xfc [ 38.176940][ T3097] hardirqs last disabled at (3034): [] el1_dbg+0x24/0x5c executing program [ 38.178774][ T3097] softirqs last enabled at (3008): [] _stext+0x2e4/0x37c [ 38.180732][ T3097] softirqs last disabled at (2993): [] ____do_softirq+0x14/0x20 [ 38.182784][ T3097] ---[ end trace 0000000000000000 ]--- [ 38.184323][ T3097] debugfs: out of free dentries, can not create directory 'hctx0' [ 38.186691][ T3097] block nbd0: shutting down sockets [ 38.329103][ T3100] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 38.448648][ T3100] block nbd0: shutting down sockets executing program [ 38.547809][ T3103] block nbd0: Device being setup by another task [ 38.630871][ T3102] ------------[ cut here ]------------ [ 38.632095][ T3102] kernfs: can not remove 'nr_tags', no directory [ 38.633873][ T3102] WARNING: CPU: 1 PID: 3102 at fs/kernfs/dir.c:1580 kernfs_remove_by_name_ns+0x84/0xb8 [ 38.636288][ T3102] Modules linked in: [ 38.637172][ T3102] CPU: 1 PID: 3102 Comm: syz-executor232 Tainted: G W 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 38.639950][ T3102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 38.642689][ T3102] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 38.644583][ T3102] pc : kernfs_remove_by_name_ns+0x84/0xb8 [ 38.645802][ T3102] lr : kernfs_remove_by_name_ns+0x84/0xb8 [ 38.647165][ T3102] sp : ffff800012793a60 [ 38.648163][ T3102] x29: ffff800012793a60 x28: ffff80000cf01000 x27: ffff0000c5252908 [ 38.650122][ T3102] x26: ffff0000c5252908 x25: ffff800012793b88 x24: ffff0000c9b44780 [ 38.652298][ T3102] x23: ffff0000c4ce0000 x22: 0000000000000000 x21: 0000000000000000 [ 38.654144][ T3102] x20: ffff80000cc5b39c x19: 0000000000000000 x18: 00000000000000c0 [ 38.655975][ T3102] x17: ffff80000dd0b198 x16: ffff80000db49158 x15: ffff0000c7670000 [ 38.657983][ T3102] x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c7670000 [ 38.660163][ T3102] x11: ff808000081c0d5c x10: 0000000000000000 x9 : b87d528889e6df00 [ 38.661961][ T3102] x8 : b87d528889e6df00 x7 : ffff80000819545c x6 : 0000000000000000 [ 38.663839][ T3102] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 38.665592][ T3102] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 000000000000002e [ 38.667702][ T3102] Call trace: [ 38.668500][ T3102] kernfs_remove_by_name_ns+0x84/0xb8 [ 38.669890][ T3102] sysfs_remove_group+0x68/0x160 [ 38.671059][ T3102] sysfs_remove_groups+0x3c/0x78 [ 38.672125][ T3102] __kobject_del+0x34/0x1f8 [ 38.673251][ T3102] kobject_del+0x28/0x110 [ 38.674198][ T3102] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 38.675959][ T3102] blk_mq_update_nr_hw_queues+0x254/0x6e0 [ 38.677475][ T3102] nbd_start_device+0xc4/0x500 [ 38.678615][ T3102] nbd_start_device_ioctl+0x3c/0x25c [ 38.679830][ T3102] __nbd_ioctl+0x16c/0x334 [ 38.680860][ T3102] nbd_ioctl+0xec/0x13c [ 38.681807][ T3102] blkdev_ioctl+0x24c/0x6d8 [ 38.683020][ T3102] __arm64_sys_ioctl+0xd0/0x140 [ 38.684254][ T3102] el0_svc_common+0x138/0x220 [ 38.685484][ T3102] do_el0_svc+0x48/0x164 [ 38.686379][ T3102] el0_svc+0x58/0x150 [ 38.687191][ T3102] el0t_64_sync_handler+0x84/0xf0 [ 38.688110][ T3102] el0t_64_sync+0x18c/0x190 [ 38.689002][ T3102] irq event stamp: 2748 [ 38.689785][ T3102] hardirqs last enabled at (2747): [] __up_console_sem+0xb0/0xfc [ 38.691973][ T3102] hardirqs last disabled at (2748): [] el1_dbg+0x24/0x5c [ 38.693879][ T3102] softirqs last enabled at (210): [] local_bh_enable+0x10/0x34 [ 38.695966][ T3102] softirqs last disabled at (208): [] local_bh_disable+0x10/0x34 [ 38.698417][ T3102] ---[ end trace 0000000000000000 ]--- [ 38.699975][ T3102] ------------[ cut here ]------------ [ 38.701183][ T3102] kernfs: can not remove 'nr_reserved_tags', no directory [ 38.702708][ T3102] WARNING: CPU: 1 PID: 3102 at fs/kernfs/dir.c:1580 kernfs_remove_by_name_ns+0x84/0xb8 [ 38.705055][ T3102] Modules linked in: [ 38.706045][ T3102] CPU: 1 PID: 3102 Comm: syz-executor232 Tainted: G W 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 38.708600][ T3102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 38.710834][ T3102] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 38.712654][ T3102] pc : kernfs_remove_by_name_ns+0x84/0xb8 [ 38.713919][ T3102] lr : kernfs_remove_by_name_ns+0x84/0xb8 [ 38.715229][ T3102] sp : ffff800012793a60 [ 38.716232][ T3102] x29: ffff800012793a60 x28: ffff80000cf01000 x27: ffff0000c5252908 [ 38.718016][ T3102] x26: ffff0000c5252908 x25: ffff800012793b88 x24: ffff0000c9b44780 [ 38.720090][ T3102] x23: ffff0000c4ce0000 x22: 0000000000000000 x21: 0000000000000000 [ 38.721981][ T3102] x20: ffff80000cc5b3a4 x19: 0000000000000000 x18: 00000000000000c0 [ 38.723852][ T3102] x17: ffff80000dd0b198 x16: ffff80000db49158 x15: ffff0000c7670000 [ 38.725916][ T3102] x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c7670000 [ 38.727736][ T3102] x11: ff808000081c0d5c x10: 0000000000000000 x9 : b87d528889e6df00 [ 38.729397][ T3102] x8 : b87d528889e6df00 x7 : ffff80000819545c x6 : 0000000000000000 [ 38.731013][ T3102] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 38.732777][ T3102] x2 : ffff0001fefddcd0 x1 : 0000000100000000 x0 : 0000000000000037 [ 38.734521][ T3102] Call trace: [ 38.735297][ T3102] kernfs_remove_by_name_ns+0x84/0xb8 [ 38.736584][ T3102] sysfs_remove_group+0x68/0x160 [ 38.737673][ T3102] sysfs_remove_groups+0x3c/0x78 [ 38.738744][ T3102] __kobject_del+0x34/0x1f8 [ 38.740003][ T3102] kobject_del+0x28/0x110 [ 38.741015][ T3102] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 38.742364][ T3102] blk_mq_update_nr_hw_queues+0x254/0x6e0 [ 38.743766][ T3102] nbd_start_device+0xc4/0x500 [ 38.744953][ T3102] nbd_start_device_ioctl+0x3c/0x25c [ 38.746308][ T3102] __nbd_ioctl+0x16c/0x334 [ 38.747345][ T3102] nbd_ioctl+0xec/0x13c [ 38.748327][ T3102] blkdev_ioctl+0x24c/0x6d8 [ 38.749368][ T3102] __arm64_sys_ioctl+0xd0/0x140 [ 38.750515][ T3102] el0_svc_common+0x138/0x220 [ 38.751793][ T3102] do_el0_svc+0x48/0x164 [ 38.752759][ T3102] el0_svc+0x58/0x150 [ 38.753627][ T3102] el0t_64_sync_handler+0x84/0xf0 [ 38.754726][ T3102] el0t_64_sync+0x18c/0x190 [ 38.755742][ T3102] irq event stamp: 2790 [ 38.756638][ T3102] hardirqs last enabled at (2789): [] __up_console_sem+0xb0/0xfc [ 38.759011][ T3102] hardirqs last disabled at (2790): [] el1_dbg+0x24/0x5c [ 38.760903][ T3102] softirqs last enabled at (2768): [] _stext+0x2e4/0x37c [ 38.762981][ T3102] softirqs last disabled at (2751): [] ____do_softirq+0x14/0x20 [ 38.765533][ T3102] ---[ end trace 0000000000000000 ]--- [ 38.767073][ T3102] ------------[ cut here ]------------ [ 38.768586][ T3102] kernfs: can not remove 'cpu_list', no directory [ 38.770285][ T3102] WARNING: CPU: 1 PID: 3102 at fs/kernfs/dir.c:1580 kernfs_remove_by_name_ns+0x84/0xb8 [ 38.772659][ T3102] Modules linked in: [ 38.773596][ T3102] CPU: 1 PID: 3102 Comm: syz-executor232 Tainted: G W 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 38.775923][ T3102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 38.777812][ T3102] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 38.779652][ T3102] pc : kernfs_remove_by_name_ns+0x84/0xb8 [ 38.781009][ T3102] lr : kernfs_remove_by_name_ns+0x84/0xb8 [ 38.782475][ T3102] sp : ffff800012793a60 [ 38.783520][ T3102] x29: ffff800012793a60 x28: ffff80000cf01000 x27: ffff0000c5252908 [ 38.785803][ T3102] x26: ffff0000c5252908 x25: ffff800012793b88 x24: ffff0000c9b44780 [ 38.787766][ T3102] x23: ffff0000c4ce0000 x22: 0000000000000000 x21: 0000000000000000 [ 38.789621][ T3102] x20: ffff80000cca5e6c x19: 0000000000000000 x18: 00000000000000c0 [ 38.791460][ T3102] x17: ffff80000dd0b198 x16: ffff80000db49158 x15: ffff0000c7670000 [ 38.793208][ T3102] x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c7670000 [ 38.795506][ T3102] x11: ff808000081c0d5c x10: 0000000000000000 x9 : b87d528889e6df00 [ 38.797544][ T3102] x8 : b87d528889e6df00 x7 : ffff80000819545c x6 : 0000000000000000 [ 38.799354][ T3102] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 38.801221][ T3102] x2 : ffff0001fefddcd0 x1 : 0000000100000000 x0 : 000000000000002f [ 38.803239][ T3102] Call trace: [ 38.803982][ T3102] kernfs_remove_by_name_ns+0x84/0xb8 [ 38.805258][ T3102] sysfs_remove_group+0x68/0x160 [ 38.806328][ T3102] sysfs_remove_groups+0x3c/0x78 [ 38.807421][ T3102] __kobject_del+0x34/0x1f8 [ 38.808502][ T3102] kobject_del+0x28/0x110 [ 38.809523][ T3102] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 38.810719][ T3102] blk_mq_update_nr_hw_queues+0x254/0x6e0 [ 38.811836][ T3102] nbd_start_device+0xc4/0x500 [ 38.812734][ T3102] nbd_start_device_ioctl+0x3c/0x25c [ 38.813840][ T3102] __nbd_ioctl+0x16c/0x334 [ 38.814806][ T3102] nbd_ioctl+0xec/0x13c [ 38.815713][ T3102] blkdev_ioctl+0x24c/0x6d8 [ 38.816778][ T3102] __arm64_sys_ioctl+0xd0/0x140 [ 38.817900][ T3102] el0_svc_common+0x138/0x220 [ 38.819003][ T3102] do_el0_svc+0x48/0x164 [ 38.820180][ T3102] el0_svc+0x58/0x150 [ 38.821240][ T3102] el0t_64_sync_handler+0x84/0xf0 [ 38.822531][ T3102] el0t_64_sync+0x18c/0x190 [ 38.823528][ T3102] irq event stamp: 2852 [ 38.824497][ T3102] hardirqs last enabled at (2851): [] __up_console_sem+0xb0/0xfc [ 38.826699][ T3102] hardirqs last disabled at (2852): [] el1_dbg+0x24/0x5c [ 38.828823][ T3102] softirqs last enabled at (2836): [] _stext+0x2e4/0x37c [ 38.831038][ T3102] softirqs last disabled at (2827): [] ____do_softirq+0x14/0x20 [ 38.833135][ T3102] ---[ end trace 0000000000000000 ]--- [ 38.835360][ T3102] ------------[ cut here ]------------ [ 38.836671][ T3102] kernfs: can not remove 'nr_tags', no directory [ 38.838427][ T3102] WARNING: CPU: 1 PID: 3102 at fs/kernfs/dir.c:1580 kernfs_remove_by_name_ns+0x84/0xb8 [ 38.840856][ T3102] Modules linked in: [ 38.841748][ T3102] CPU: 1 PID: 3102 Comm: syz-executor232 Tainted: G W 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 38.844599][ T3102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 38.847044][ T3102] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 38.848753][ T3102] pc : kernfs_remove_by_name_ns+0x84/0xb8 [ 38.850094][ T3102] lr : kernfs_remove_by_name_ns+0x84/0xb8 [ 38.851609][ T3102] sp : ffff800012793a60 [ 38.852616][ T3102] x29: ffff800012793a60 x28: ffff80000cf01000 x27: ffff0000c5252908 [ 38.854420][ T3102] x26: ffff0000c5252908 x25: ffff800012793b88 x24: ffff0000c9b44780 [ 38.856218][ T3102] x23: ffff0000c4ce0000 x22: 0000000000000000 x21: 0000000000000000 [ 38.858021][ T3102] x20: ffff80000cc5b39c x19: 0000000000000000 x18: 00000000000000c0 [ 38.859872][ T3102] x17: ffff80000dd0b198 x16: ffff80000db49158 x15: ffff0000c7670000 [ 38.861568][ T3102] x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c7670000 [ 38.863424][ T3102] x11: ff808000081c0d5c x10: 0000000000000000 x9 : b87d528889e6df00 [ 38.865359][ T3102] x8 : b87d528889e6df00 x7 : ffff80000819545c x6 : 0000000000000000 [ 38.867189][ T3102] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 38.868863][ T3102] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 000000000000002e [ 38.870744][ T3102] Call trace: [ 38.871654][ T3102] kernfs_remove_by_name_ns+0x84/0xb8 [ 38.872889][ T3102] sysfs_remove_group+0x68/0x160 [ 38.874021][ T3102] sysfs_remove_groups+0x3c/0x78 [ 38.875076][ T3102] __kobject_del+0x34/0x1f8 [ 38.876105][ T3102] kobject_del+0x28/0x110 [ 38.877085][ T3102] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 38.878541][ T3102] blk_mq_update_nr_hw_queues+0x254/0x6e0 [ 38.879905][ T3102] nbd_start_device+0xc4/0x500 [ 38.881030][ T3102] nbd_start_device_ioctl+0x3c/0x25c [ 38.882282][ T3102] __nbd_ioctl+0x16c/0x334 [ 38.883241][ T3102] nbd_ioctl+0xec/0x13c [ 38.884152][ T3102] blkdev_ioctl+0x24c/0x6d8 [ 38.885320][ T3102] __arm64_sys_ioctl+0xd0/0x140 [ 38.886355][ T3102] el0_svc_common+0x138/0x220 [ 38.887397][ T3102] do_el0_svc+0x48/0x164 [ 38.888484][ T3102] el0_svc+0x58/0x150 [ 38.889345][ T3102] el0t_64_sync_handler+0x84/0xf0 [ 38.890536][ T3102] el0t_64_sync+0x18c/0x190 [ 38.891681][ T3102] irq event stamp: 3640 [ 38.892623][ T3102] hardirqs last enabled at (3639): [] __up_console_sem+0xb0/0xfc [ 38.894733][ T3102] hardirqs last disabled at (3640): [] el1_dbg+0x24/0x5c [ 38.896724][ T3102] softirqs last enabled at (3612): [] _stext+0x2e4/0x37c [ 38.898727][ T3102] softirqs last disabled at (2855): [] ____do_softirq+0x14/0x20 [ 38.900969][ T3102] ---[ end trace 0000000000000000 ]--- [ 38.902293][ T3102] ------------[ cut here ]------------ [ 38.903521][ T3102] kernfs: can not remove 'nr_reserved_tags', no directory [ 38.905249][ T3102] WARNING: CPU: 1 PID: 3102 at fs/kernfs/dir.c:1580 kernfs_remove_by_name_ns+0x84/0xb8 [ 38.907593][ T3102] Modules linked in: [ 38.908491][ T3102] CPU: 1 PID: 3102 Comm: syz-executor232 Tainted: G W 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 38.911003][ T3102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 38.912918][ T3102] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 38.914815][ T3102] pc : kernfs_remove_by_name_ns+0x84/0xb8 [ 38.916314][ T3102] lr : kernfs_remove_by_name_ns+0x84/0xb8 [ 38.917790][ T3102] sp : ffff800012793a60 [ 38.918698][ T3102] x29: ffff800012793a60 x28: ffff80000cf01000 x27: ffff0000c5252908 [ 38.920438][ T3102] x26: ffff0000c5252908 x25: ffff800012793b88 x24: ffff0000c9b44780 [ 38.922291][ T3102] x23: ffff0000c4ce0000 x22: 0000000000000000 x21: 0000000000000000 [ 38.924370][ T3102] x20: ffff80000cc5b3a4 x19: 0000000000000000 x18: 00000000000000c0 [ 38.926560][ T3102] x17: ffff80000dd0b198 x16: ffff80000db49158 x15: ffff0000c7670000 [ 38.928655][ T3102] x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c7670000 [ 38.930488][ T3102] x11: ff808000081c0d5c x10: 0000000000000000 x9 : b87d528889e6df00 [ 38.932719][ T3102] x8 : b87d528889e6df00 x7 : ffff80000819545c x6 : 0000000000000000 [ 38.934733][ T3102] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 38.936201][ T3102] x2 : ffff0001fefddcd0 x1 : 0000000100000000 x0 : 0000000000000037 [ 38.937749][ T3102] Call trace: [ 38.938467][ T3102] kernfs_remove_by_name_ns+0x84/0xb8 [ 38.939681][ T3102] sysfs_remove_group+0x68/0x160 [ 38.940778][ T3102] sysfs_remove_groups+0x3c/0x78 [ 38.941885][ T3102] __kobject_del+0x34/0x1f8 [ 38.942972][ T3102] kobject_del+0x28/0x110 [ 38.944008][ T3102] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 38.945396][ T3102] blk_mq_update_nr_hw_queues+0x254/0x6e0 [ 38.946747][ T3102] nbd_start_device+0xc4/0x500 [ 38.948012][ T3102] nbd_start_device_ioctl+0x3c/0x25c [ 38.949176][ T3102] __nbd_ioctl+0x16c/0x334 [ 38.950282][ T3102] nbd_ioctl+0xec/0x13c [ 38.951311][ T3102] blkdev_ioctl+0x24c/0x6d8 [ 38.952395][ T3102] __arm64_sys_ioctl+0xd0/0x140 [ 38.953586][ T3102] el0_svc_common+0x138/0x220 [ 38.954852][ T3102] do_el0_svc+0x48/0x164 [ 38.956026][ T3102] el0_svc+0x58/0x150 [ 38.956912][ T3102] el0t_64_sync_handler+0x84/0xf0 [ 38.958073][ T3102] el0t_64_sync+0x18c/0x190 [ 38.959189][ T3102] irq event stamp: 3682 [ 38.960105][ T3102] hardirqs last enabled at (3681): [] __up_console_sem+0xb0/0xfc [ 38.962566][ T3102] hardirqs last disabled at (3682): [] el1_dbg+0x24/0x5c [ 38.964672][ T3102] softirqs last enabled at (3660): [] _stext+0x2e4/0x37c [ 38.966742][ T3102] softirqs last disabled at (3643): [] ____do_softirq+0x14/0x20 [ 38.968949][ T3102] ---[ end trace 0000000000000000 ]--- [ 38.970575][ T3102] ------------[ cut here ]------------ [ 38.972147][ T3102] kernfs: can not remove 'cpu_list', no directory [ 38.973703][ T3102] WARNING: CPU: 1 PID: 3102 at fs/kernfs/dir.c:1580 kernfs_remove_by_name_ns+0x84/0xb8 [ 38.975885][ T3102] Modules linked in: [ 38.976819][ T3102] CPU: 1 PID: 3102 Comm: syz-executor232 Tainted: G W 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 38.979869][ T3102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 38.982439][ T3102] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 38.984186][ T3102] pc : kernfs_remove_by_name_ns+0x84/0xb8 [ 38.985492][ T3102] lr : kernfs_remove_by_name_ns+0x84/0xb8 [ 38.986900][ T3102] sp : ffff800012793a60 [ 38.988081][ T3102] x29: ffff800012793a60 x28: ffff80000cf01000 x27: ffff0000c5252908 [ 38.989786][ T3102] x26: ffff0000c5252908 x25: ffff800012793b88 x24: ffff0000c9b44780 [ 38.991421][ T3102] x23: ffff0000c4ce0000 x22: 0000000000000000 x21: 0000000000000000 [ 38.993102][ T3102] x20: ffff80000cca5e6c x19: 0000000000000000 x18: 00000000000000c0 [ 38.995025][ T3102] x17: ffff80000dd0b198 x16: ffff80000db49158 x15: ffff0000c7670000 [ 38.996863][ T3102] x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c7670000 [ 38.998756][ T3102] x11: ff808000081c0d5c x10: 0000000000000000 x9 : b87d528889e6df00 [ 39.000697][ T3102] x8 : b87d528889e6df00 x7 : ffff80000819545c x6 : 0000000000000000 [ 39.002560][ T3102] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 39.004372][ T3102] x2 : ffff0001fefddcd0 x1 : 0000000100000000 x0 : 000000000000002f [ 39.006140][ T3102] Call trace: [ 39.007002][ T3102] kernfs_remove_by_name_ns+0x84/0xb8 [ 39.008409][ T3102] sysfs_remove_group+0x68/0x160 [ 39.009481][ T3102] sysfs_remove_groups+0x3c/0x78 [ 39.010553][ T3102] __kobject_del+0x34/0x1f8 [ 39.011602][ T3102] kobject_del+0x28/0x110 [ 39.012551][ T3102] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 39.014021][ T3102] blk_mq_update_nr_hw_queues+0x254/0x6e0 [ 39.015268][ T3102] nbd_start_device+0xc4/0x500 [ 39.016331][ T3102] nbd_start_device_ioctl+0x3c/0x25c [ 39.017581][ T3102] __nbd_ioctl+0x16c/0x334 [ 39.018735][ T3102] nbd_ioctl+0xec/0x13c [ 39.019779][ T3102] blkdev_ioctl+0x24c/0x6d8 [ 39.020968][ T3102] __arm64_sys_ioctl+0xd0/0x140 [ 39.022192][ T3102] el0_svc_common+0x138/0x220 [ 39.023418][ T3102] do_el0_svc+0x48/0x164 [ 39.024501][ T3102] el0_svc+0x58/0x150 [ 39.025563][ T3102] el0t_64_sync_handler+0x84/0xf0 [ 39.027012][ T3102] el0t_64_sync+0x18c/0x190 [ 39.028214][ T3102] irq event stamp: 3720 [ 39.029243][ T3102] hardirqs last enabled at (3719): [] __up_console_sem+0xb0/0xfc [ 39.031727][ T3102] hardirqs last disabled at (3720): [] el1_dbg+0x24/0x5c [ 39.034103][ T3102] softirqs last enabled at (3698): [] _stext+0x2e4/0x37c [ 39.036464][ T3102] softirqs last disabled at (3685): [] ____do_softirq+0x14/0x20 [ 39.038834][ T3102] ---[ end trace 0000000000000000 ]--- [ 39.040601][ T3102] debugfs: out of free dentries, can not create directory 'hctx0' [ 39.043386][ T3102] block nbd0: shutting down sockets executing program [ 39.169102][ T3105] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 39.288230][ T3105] block nbd0: shutting down sockets executing program [ 39.368303][ T3107] debugfs: out of free dentries, can not create file 'blocksize_bits' [ 39.528796][ T3107] block nbd0: shutting down sockets executing program [ 39.608390][ T3109] debugfs: out of free dentries, can not create file 'blocksize_bits' [ 39.768638][ T3109] block nbd0: shutting down sockets executing program [ 39.848322][ T3111] debugfs: out of free dentries, can not create file 'blocksize_bits' [ 40.008607][ T3111] block nbd0: shutting down sockets executing program [ 40.098346][ T3113] debugfs: out of free dentries, can not create file 'blocksize_bits' [ 40.258371][ T3113] block nbd0: shutting down sockets executing program [ 40.348415][ T3115] debugfs: out of free dentries, can not create file 'blocksize_bits' [ 40.508280][ T3115] block nbd0: shutting down sockets executing program [ 40.608391][ T3117] debugfs: out of free dentries, can not create file 'blocksize_bits' [ 40.768353][ T3117] block nbd0: shutting down sockets executing program [ 40.868343][ T3119] debugfs: out of free dentries, can not create file 'blocksize_bits' [ 41.028405][ T3119] block nbd0: shutting down sockets executing program [ 41.128297][ T3121] debugfs: out of free dentries, can not create file 'blocksize_bits' [ 41.288297][ T3121] block nbd0: shutting down sockets executing program [ 41.378393][ T3123] debugfs: out of free dentries, can not create file 'blocksize_bits' [ 41.538324][ T3123] block nbd0: shutting down sockets executing program [ 41.647774][ T3126] block nbd0: Device being setup by another task [ 41.690542][ T3125] ------------[ cut here ]------------ [ 41.691856][ T3125] kernfs: can not remove 'nr_tags', no directory [ 41.693289][ T3125] WARNING: CPU: 0 PID: 3125 at fs/kernfs/dir.c:1580 kernfs_remove_by_name_ns+0x84/0xb8 [ 41.695509][ T3125] Modules linked in: [ 41.696437][ T3125] CPU: 0 PID: 3125 Comm: syz-executor232 Tainted: G W 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 41.699285][ T3125] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 41.701567][ T3125] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 41.703477][ T3125] pc : kernfs_remove_by_name_ns+0x84/0xb8 [ 41.704769][ T3125] lr : kernfs_remove_by_name_ns+0x84/0xb8 [ 41.705992][ T3125] sp : ffff80001277ba60