[ 9.435034][ T2615] 8021q: adding VLAN 0 to HW filter on device bond0 [ 9.439643][ T2615] eql: remember to turn off Van-Jacobson compression on your slave devices [ 9.467798][ T116] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 9.472377][ T1649] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.74' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 34.544042][ T3038] kobject_add_internal failed for cpu0 (error: -12 parent: 0) [ 34.661658][ T3038] block nbd0: shutting down sockets executing program [ 34.901383][ T3043] block nbd0: shutting down sockets executing program [ 35.162650][ T3046] block nbd0: shutting down sockets executing program [ 35.260727][ T3049] block nbd0: Device being setup by another task [ 35.333943][ T3048] ------------[ cut here ]------------ [ 35.335293][ T3048] kernfs: can not remove 'nr_tags', no directory [ 35.336907][ T3048] WARNING: CPU: 0 PID: 3048 at fs/kernfs/dir.c:1580 kernfs_remove_by_name_ns+0x84/0xb8 [ 35.339172][ T3048] Modules linked in: [ 35.340141][ T3048] CPU: 0 PID: 3048 Comm: syz-executor242 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 35.342707][ T3048] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 35.345173][ T3048] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 35.347120][ T3048] pc : kernfs_remove_by_name_ns+0x84/0xb8 [ 35.348511][ T3048] lr : kernfs_remove_by_name_ns+0x84/0xb8 [ 35.349958][ T3048] sp : ffff8000126aba60 [ 35.350973][ T3048] x29: ffff8000126aba60 x28: ffff80000cf01000 x27: ffff0000c5d4ed08 [ 35.352972][ T3048] x26: ffff0000c5d4ed08 x25: ffff8000126abb88 x24: ffff0000c3db7400 [ 35.355077][ T3048] x23: ffff0000c4f28000 x22: 0000000000000000 x21: 0000000000000000 [ 35.357000][ T3048] x20: ffff80000cc5b39c x19: 0000000000000000 x18: 00000000000000c0 [ 35.358979][ T3048] x17: ffff80000dd0b198 x16: ffff80000db49158 x15: ffff0000c65b9a80 [ 35.360954][ T3048] x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c65b9a80 [ 35.363005][ T3048] x11: ff808000081c0d5c x10: 0000000000000000 x9 : a7cdf6d7a77a1400 [ 35.364934][ T3048] x8 : a7cdf6d7a77a1400 x7 : ffff80000819545c x6 : 0000000000000000 [ 35.366912][ T3048] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 35.368969][ T3048] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 000000000000002e [ 35.370875][ T3048] Call trace: [ 35.371698][ T3048] kernfs_remove_by_name_ns+0x84/0xb8 [ 35.373021][ T3048] sysfs_remove_group+0x68/0x160 [ 35.374258][ T3048] sysfs_remove_groups+0x3c/0x78 [ 35.375438][ T3048] __kobject_del+0x34/0x1f8 [ 35.376560][ T3048] kobject_del+0x28/0x110 [ 35.377703][ T3048] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 35.379160][ T3048] blk_mq_update_nr_hw_queues+0x254/0x6e0 [ 35.380566][ T3048] nbd_start_device+0xc4/0x500 [ 35.381724][ T3048] nbd_start_device_ioctl+0x3c/0x25c [ 35.383019][ T3048] __nbd_ioctl+0x16c/0x334 [ 35.384075][ T3048] nbd_ioctl+0xec/0x13c [ 35.385102][ T3048] blkdev_ioctl+0x24c/0x6d8 [ 35.386202][ T3048] __arm64_sys_ioctl+0xd0/0x140 [ 35.387442][ T3048] el0_svc_common+0x138/0x220 [ 35.388665][ T3048] do_el0_svc+0x48/0x164 [ 35.389771][ T3048] el0_svc+0x58/0x150 [ 35.390766][ T3048] el0t_64_sync_handler+0x84/0xf0 [ 35.392020][ T3048] el0t_64_sync+0x18c/0x190 [ 35.393160][ T3048] irq event stamp: 2802 [ 35.394211][ T3048] hardirqs last enabled at (2801): [] __up_console_sem+0xb0/0xfc [ 35.396522][ T3048] hardirqs last disabled at (2802): [] el1_dbg+0x24/0x5c [ 35.398662][ T3048] softirqs last enabled at (240): [] local_bh_enable+0x10/0x34 [ 35.400929][ T3048] softirqs last disabled at (238): [] local_bh_disable+0x10/0x34 [ 35.403238][ T3048] ---[ end trace 0000000000000000 ]--- [ 35.404655][ T3048] ------------[ cut here ]------------ [ 35.405953][ T3048] kernfs: can not remove 'nr_reserved_tags', no directory [ 35.407672][ T3048] WARNING: CPU: 0 PID: 3048 at fs/kernfs/dir.c:1580 kernfs_remove_by_name_ns+0x84/0xb8 [ 35.410001][ T3048] Modules linked in: [ 35.410965][ T3048] CPU: 0 PID: 3048 Comm: syz-executor242 Tainted: G W 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 35.413985][ T3048] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 35.416563][ T3048] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 35.418541][ T3048] pc : kernfs_remove_by_name_ns+0x84/0xb8 [ 35.420022][ T3048] lr : kernfs_remove_by_name_ns+0x84/0xb8 [ 35.421583][ T3048] sp : ffff8000126aba60 [ 35.422534][ T3048] x29: ffff8000126aba60 x28: ffff80000cf01000 x27: ffff0000c5d4ed08 [ 35.424405][ T3048] x26: ffff0000c5d4ed08 x25: ffff8000126abb88 x24: ffff0000c3db7400 [ 35.426476][ T3048] x23: ffff0000c4f28000 x22: 0000000000000000 x21: 0000000000000000 [ 35.428606][ T3048] x20: ffff80000cc5b3a4 x19: 0000000000000000 x18: 00000000000000c0 [ 35.430468][ T3048] x17: ffff80000dd0b198 x16: ffff80000db49158 x15: ffff0000c65b9a80 [ 35.432302][ T3048] x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c65b9a80 [ 35.434213][ T3048] x11: ff808000081c0d5c x10: 0000000000000000 x9 : a7cdf6d7a77a1400 [ 35.436041][ T3048] x8 : a7cdf6d7a77a1400 x7 : ffff80000819545c x6 : 0000000000000000 [ 35.437838][ T3048] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 35.439704][ T3048] x2 : ffff0001fefbecd0 x1 : 0000000100000000 x0 : 0000000000000037 [ 35.441667][ T3048] Call trace: [ 35.442500][ T3048] kernfs_remove_by_name_ns+0x84/0xb8 [ 35.443884][ T3048] sysfs_remove_group+0x68/0x160 [ 35.445124][ T3048] sysfs_remove_groups+0x3c/0x78 [ 35.446315][ T3048] __kobject_del+0x34/0x1f8 [ 35.447419][ T3048] kobject_del+0x28/0x110 [ 35.448525][ T3048] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 35.450019][ T3048] blk_mq_update_nr_hw_queues+0x254/0x6e0 [ 35.451581][ T3048] nbd_start_device+0xc4/0x500 [ 35.452838][ T3048] nbd_start_device_ioctl+0x3c/0x25c [ 35.454201][ T3048] __nbd_ioctl+0x16c/0x334 [ 35.455268][ T3048] nbd_ioctl+0xec/0x13c [ 35.456280][ T3048] blkdev_ioctl+0x24c/0x6d8 [ 35.457348][ T3048] __arm64_sys_ioctl+0xd0/0x140 [ 35.458688][ T3048] el0_svc_common+0x138/0x220 [ 35.459869][ T3048] do_el0_svc+0x48/0x164 [ 35.460911][ T3048] el0_svc+0x58/0x150 [ 35.461890][ T3048] el0t_64_sync_handler+0x84/0xf0 [ 35.463177][ T3048] el0t_64_sync+0x18c/0x190 [ 35.464418][ T3048] irq event stamp: 2854 [ 35.465510][ T3048] hardirqs last enabled at (2853): [] __up_console_sem+0xb0/0xfc [ 35.467832][ T3048] hardirqs last disabled at (2854): [] el1_dbg+0x24/0x5c [ 35.470015][ T3048] softirqs last enabled at (2828): [] _stext+0x2e4/0x37c [ 35.472213][ T3048] softirqs last disabled at (2805): [] ____do_softirq+0x14/0x20 [ 35.474521][ T3048] ---[ end trace 0000000000000000 ]--- [ 35.476016][ T3048] ------------[ cut here ]------------ [ 35.477295][ T3048] kernfs: can not remove 'cpu_list', no directory [ 35.478905][ T3048] WARNING: CPU: 0 PID: 3048 at fs/kernfs/dir.c:1580 kernfs_remove_by_name_ns+0x84/0xb8 [ 35.481243][ T3048] Modules linked in: [ 35.482314][ T3048] CPU: 0 PID: 3048 Comm: syz-executor242 Tainted: G W 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 35.485323][ T3048] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 35.487931][ T3048] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 35.489843][ T3048] pc : kernfs_remove_by_name_ns+0x84/0xb8 [ 35.491242][ T3048] lr : kernfs_remove_by_name_ns+0x84/0xb8 [ 35.492670][ T3048] sp : ffff8000126aba60 [ 35.493677][ T3048] x29: ffff8000126aba60 x28: ffff80000cf01000 x27: ffff0000c5d4ed08 [ 35.495724][ T3048] x26: ffff0000c5d4ed08 x25: ffff8000126abb88 x24: ffff0000c3db7400 [ 35.497769][ T3048] x23: ffff0000c4f28000 x22: 0000000000000000 x21: 0000000000000000 [ 35.499750][ T3048] x20: ffff80000cca5e6c x19: 0000000000000000 x18: 00000000000000c0 [ 35.501562][ T3048] x17: ffff80000dd0b198 x16: ffff80000db49158 x15: ffff0000c65b9a80 [ 35.503482][ T3048] x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c65b9a80 [ 35.505418][ T3048] x11: ff808000081c0d5c x10: 0000000000000000 x9 : a7cdf6d7a77a1400 [ 35.507332][ T3048] x8 : a7cdf6d7a77a1400 x7 : ffff80000819545c x6 : 0000000000000000 [ 35.509306][ T3048] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 35.511314][ T3048] x2 : ffff0001fefbecd0 x1 : 0000000100000000 x0 : 000000000000002f [ 35.513297][ T3048] Call trace: [ 35.514097][ T3048] kernfs_remove_by_name_ns+0x84/0xb8 [ 35.515556][ T3048] sysfs_remove_group+0x68/0x160 [ 35.516775][ T3048] sysfs_remove_groups+0x3c/0x78 [ 35.517914][ T3048] __kobject_del+0x34/0x1f8 [ 35.518941][ T3048] kobject_del+0x28/0x110 [ 35.519996][ T3048] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 35.521512][ T3048] blk_mq_update_nr_hw_queues+0x254/0x6e0 [ 35.522887][ T3048] nbd_start_device+0xc4/0x500 [ 35.524090][ T3048] nbd_start_device_ioctl+0x3c/0x25c [ 35.525495][ T3048] __nbd_ioctl+0x16c/0x334 [ 35.526562][ T3048] nbd_ioctl+0xec/0x13c [ 35.527571][ T3048] blkdev_ioctl+0x24c/0x6d8 [ 35.528674][ T3048] __arm64_sys_ioctl+0xd0/0x140 [ 35.529857][ T3048] el0_svc_common+0x138/0x220 [ 35.531044][ T3048] do_el0_svc+0x48/0x164 [ 35.532210][ T3048] el0_svc+0x58/0x150 [ 35.533134][ T3048] el0t_64_sync_handler+0x84/0xf0 [ 35.534271][ T3048] el0t_64_sync+0x18c/0x190 [ 35.535285][ T3048] irq event stamp: 2898 [ 35.536209][ T3048] hardirqs last enabled at (2897): [] __up_console_sem+0xb0/0xfc [ 35.538484][ T3048] hardirqs last disabled at (2898): [] el1_dbg+0x24/0x5c [ 35.540659][ T3048] softirqs last enabled at (2872): [] _stext+0x2e4/0x37c [ 35.542789][ T3048] softirqs last disabled at (2857): [] ____do_softirq+0x14/0x20 [ 35.545080][ T3048] ---[ end trace 0000000000000000 ]--- [ 35.546791][ T3048] debugfs: out of free dentries, can not create file 'busy' [ 35.549592][ T3048] block nbd0: shutting down sockets executing program [ 35.670723][ T3052] block nbd0: Device being setup by another task [ 35.819571][ T3051] block nbd0: shutting down sockets executing program [ 35.972953][ T3055] kobject: can not set name properly! [ 36.072898][ T3055] block nbd0: shutting down sockets executing program [ 36.311587][ T3057] block nbd0: shutting down sockets executing program [ 36.562735][ T3060] block nbd0: shutting down sockets executing program [ 36.812144][ T3063] block nbd0: shutting down sockets executing program [ 37.062084][ T3066] block nbd0: shutting down sockets executing program [ 37.291921][ T3068] block nbd0: shutting down sockets executing program [ 37.400731][ T3071] block nbd0: Device being setup by another task [ 37.560863][ T3070] block nbd0: shutting down sockets executing program [ 37.692987][ T3073] kobject: can not set name properly! [ 37.801577][ T3073] block nbd0: shutting down sockets executing program [ 38.062249][ T3076] block nbd0: shutting down sockets executing program [ 38.311413][ T3078] block nbd0: shutting down sockets executing program [ 38.561282][ T3080] block nbd0: shutting down sockets executing program [ 38.781590][ T3082] block nbd0: shutting down sockets executing program [ 38.910720][ T3085] block nbd0: Device being setup by another task [ 39.050840][ T3084] block nbd0: shutting down sockets executing program [ 39.223049][ T3088] kobject: can not set name properly! [ 39.313153][ T3088] block nbd0: shutting down sockets executing program [ 39.581581][ T3090] block nbd0: shutting down sockets executing program [ 39.821569][ T3092] block nbd0: shutting down sockets executing program [ 40.051690][ T3094] block nbd0: shutting down sockets executing program [ 40.190727][ T3097] block nbd0: Device being setup by another task executing program [ 40.320368][ T3096] block nbd0: shutting down sockets [ 40.493029][ T3100] kobject: can not set name properly! [ 40.582262][ T3100] block nbd0: shutting down sockets executing program [ 40.811375][ T3102] block nbd0: shutting down sockets executing program [ 41.051674][ T3104] block nbd0: shutting down sockets executing program [ 41.293281][ T3106] block nbd0: shutting down sockets executing program [ 41.390755][ T3109] block nbd0: Device being setup by another task [ 41.555676][ T3108] block nbd0: shutting down sockets executing program [ 41.653111][ T3111] kobject: can not set name properly! [ 41.784263][ T3111] block nbd0: shutting down sockets executing program [ 42.012983][ T3113] block nbd0: shutting down sockets executing program [ 42.242025][ T3115] block nbd0: shutting down sockets executing program [ 42.472297][ T3117] block nbd0: shutting down sockets executing program [ 42.702498][ T3119] block nbd0: shutting down sockets executing program [ 42.934220][ T3121] block nbd0: shutting down sockets executing program [ 43.174310][ T3123] block nbd0: shutting down sockets executing program [ 43.403945][ T3125] block nbd0: shutting down sockets executing program [ 43.633849][ T3127] block nbd0: shutting down sockets executing program [ 43.882466][ T3129] block nbd0: shutting down sockets executing program [ 44.000767][ T3132] block nbd0: Device being setup by another task [ 44.158543][ T3131] block nbd0: shutting down sockets executing program [ 44.273134][ T3134] kobject_add_internal failed for 1 (error: -12 parent: mq) [ 44.412259][ T3134] block nbd0: shutting down sockets executing program [ 44.643315][ T3136] block nbd0: shutting down sockets executing program [ 44.863025][ T3138] block nbd0: shutting down sockets executing program [ 45.095900][ T3141] block nbd0: shutting down sockets executing program