Warning: Permanently added '10.128.1.79' (ED25519) to the list of known hosts. 1970/01/01 00:01:01 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:01:01 ignoring optional flag "type"="gce" 1970/01/01 00:01:01 parsed 1 programs [ 62.244869][ T4297] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS 1970/01/01 00:01:02 executed programs: 0 [ 62.400580][ T4311] chnl_net:caif_netlink_parms(): no params data found [ 62.443354][ T4311] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.445378][ T4311] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.448024][ T4311] device bridge_slave_0 entered promiscuous mode [ 62.452889][ T4311] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.455014][ T4311] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.457752][ T4311] device bridge_slave_1 entered promiscuous mode [ 62.476993][ T4311] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.481804][ T4311] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.505493][ T4311] team0: Port device team_slave_0 added [ 62.509362][ T4311] team0: Port device team_slave_1 added [ 62.524742][ T4311] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 62.526767][ T4311] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 62.535426][ T4311] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 62.539842][ T4311] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 62.541754][ T4311] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 62.549796][ T4311] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 62.614383][ T4311] device hsr_slave_0 entered promiscuous mode [ 62.662548][ T4311] device hsr_slave_1 entered promiscuous mode [ 63.421272][ T4311] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 63.454061][ T4311] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 63.474107][ T4311] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 63.516322][ T4311] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 63.607625][ T4311] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.616127][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.618818][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.624876][ T4311] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.629585][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.634093][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.636716][ T153] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.638644][ T153] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.641316][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.653173][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.656650][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.659271][ T153] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.661170][ T153] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.665432][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.668410][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.683016][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.686661][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.689933][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.696892][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.699715][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.702571][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.705345][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.707996][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.713123][ T4311] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.720204][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.809425][ T4311] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.816093][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.818350][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.831418][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 63.836205][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 63.849731][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 63.856796][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 63.863781][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 63.866363][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 63.869144][ T4311] device veth0_vlan entered promiscuous mode [ 63.878708][ T4311] device veth1_vlan entered promiscuous mode [ 63.896672][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 63.899618][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 63.903719][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 63.908087][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 63.912816][ T4311] device veth0_macvtap entered promiscuous mode [ 63.917137][ T4311] device veth1_macvtap entered promiscuous mode [ 63.929532][ T4311] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 63.931667][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 63.935657][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 63.938820][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 63.941742][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 63.948699][ T4311] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 63.953523][ T566] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 63.956470][ T566] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 63.961159][ T4311] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.965943][ T4311] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.968260][ T4311] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.970682][ T4311] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.024575][ T566] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.026865][ T566] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.029820][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 64.049220][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.051473][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.055780][ T566] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 64.199505][ T4431] FAULT_INJECTION: forcing a failure. [ 64.199505][ T4431] name failslab, interval 1, probability 0, space 0, times 1 [ 64.203303][ T4431] CPU: 0 PID: 4431 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 64.205605][ T4431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 64.208375][ T4431] Call trace: [ 64.209218][ T4431] dump_backtrace+0x0/0x43c [ 64.210382][ T4431] show_stack+0x2c/0x3c [ 64.211471][ T4431] __dump_stack+0x30/0x40 [ 64.212613][ T4431] dump_stack_lvl+0xf8/0x160 [ 64.213837][ T4431] dump_stack+0x1c/0x5c [ 64.214951][ T4431] should_fail+0x3c0/0x51c [ 64.216155][ T4431] __should_failslab+0xbc/0x10c [ 64.217520][ T4431] should_failslab+0x10/0x28 [ 64.218755][ T4431] slab_pre_alloc_hook+0x64/0xec [ 64.220103][ T4431] __kmalloc_node+0xb8/0x520 [ 64.221332][ T4431] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 64.222806][ T4431] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 64.224355][ T4431] nbd_start_device+0x14c/0xb40 [ 64.225660][ T4431] nbd_ioctl+0x514/0xc50 [ 64.226806][ T4431] blkdev_ioctl+0x5f8/0xbb8 [ 64.228004][ T4431] block_ioctl+0xa4/0x118 [ 64.229265][ T4431] __arm64_sys_ioctl+0x14c/0x1c8 [ 64.230643][ T4431] invoke_syscall+0x98/0x2b8 [ 64.231904][ T4431] el0_svc_common+0x138/0x258 [ 64.233174][ T4431] do_el0_svc+0x58/0x14c [ 64.234371][ T4431] el0_svc+0x78/0x1e0 [ 64.235443][ T4431] el0t_64_sync_handler+0xcc/0xe4 [ 64.236851][ T4431] el0t_64_sync+0x1a0/0x1a4 [ 64.244967][ T4431] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 64.263541][ T4442] block nbd0: shutting down sockets [ 64.383125][ T13] Bluetooth: hci0: command 0x0409 tx timeout [ 64.457983][ T4447] FAULT_INJECTION: forcing a failure. [ 64.457983][ T4447] name failslab, interval 1, probability 0, space 0, times 0 [ 64.461505][ T4447] CPU: 0 PID: 4447 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 64.464021][ T4447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 64.466823][ T4447] Call trace: [ 64.467748][ T4447] dump_backtrace+0x0/0x43c [ 64.469003][ T4447] show_stack+0x2c/0x3c [ 64.470157][ T4447] __dump_stack+0x30/0x40 [ 64.471390][ T4447] dump_stack_lvl+0xf8/0x160 [ 64.472636][ T4447] dump_stack+0x1c/0x5c [ 64.473764][ T4447] should_fail+0x3c0/0x51c [ 64.474988][ T4447] __should_failslab+0xbc/0x10c [ 64.476339][ T4447] should_failslab+0x10/0x28 [ 64.477655][ T4447] slab_pre_alloc_hook+0x64/0xec [ 64.479009][ T4447] __kmalloc_node+0xb8/0x520 [ 64.480248][ T4447] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 64.481797][ T4447] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 64.483398][ T4447] nbd_start_device+0x14c/0xb40 [ 64.484757][ T4447] nbd_ioctl+0x514/0xc50 [ 64.485982][ T4447] blkdev_ioctl+0x5f8/0xbb8 [ 64.487176][ T4447] block_ioctl+0xa4/0x118 [ 64.488320][ T4447] __arm64_sys_ioctl+0x14c/0x1c8 [ 64.489695][ T4447] invoke_syscall+0x98/0x2b8 [ 64.490921][ T4447] el0_svc_common+0x138/0x258 [ 64.492248][ T4447] do_el0_svc+0x58/0x14c [ 64.493418][ T4447] el0_svc+0x78/0x1e0 [ 64.494501][ T4447] el0t_64_sync_handler+0xcc/0xe4 [ 64.495889][ T4447] el0t_64_sync+0x1a0/0x1a4 [ 64.501111][ T4447] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 64.508564][ T4455] block nbd0: shutting down sockets [ 64.646218][ T4463] FAULT_INJECTION: forcing a failure. [ 64.646218][ T4463] name failslab, interval 1, probability 0, space 0, times 0 [ 64.649717][ T4463] CPU: 0 PID: 4463 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 64.652040][ T4463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 64.654867][ T4463] Call trace: [ 64.655759][ T4463] dump_backtrace+0x0/0x43c [ 64.656987][ T4463] show_stack+0x2c/0x3c [ 64.658107][ T4463] __dump_stack+0x30/0x40 [ 64.659292][ T4463] dump_stack_lvl+0xf8/0x160 [ 64.660586][ T4463] dump_stack+0x1c/0x5c [ 64.661763][ T4463] should_fail+0x3c0/0x51c [ 64.662909][ T4463] __should_failslab+0xbc/0x10c [ 64.664268][ T4463] should_failslab+0x10/0x28 [ 64.665612][ T4463] slab_pre_alloc_hook+0x64/0xec [ 64.667010][ T4463] __kmalloc_node+0xb8/0x520 [ 64.668249][ T4463] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 64.669805][ T4463] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 64.671420][ T4463] nbd_start_device+0x14c/0xb40 [ 64.672770][ T4463] nbd_ioctl+0x514/0xc50 [ 64.674041][ T4463] blkdev_ioctl+0x5f8/0xbb8 [ 64.675290][ T4463] block_ioctl+0xa4/0x118 [ 64.676554][ T4463] __arm64_sys_ioctl+0x14c/0x1c8 [ 64.677889][ T4463] invoke_syscall+0x98/0x2b8 [ 64.679160][ T4463] el0_svc_common+0x138/0x258 [ 64.680493][ T4463] do_el0_svc+0x58/0x14c [ 64.681740][ T4463] el0_svc+0x78/0x1e0 [ 64.682846][ T4463] el0t_64_sync_handler+0xcc/0xe4 [ 64.684329][ T4463] el0t_64_sync+0x1a0/0x1a4 [ 64.689644][ T4463] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 64.709851][ T4466] block nbd0: shutting down sockets [ 64.847957][ T4475] FAULT_INJECTION: forcing a failure. [ 64.847957][ T4475] name failslab, interval 1, probability 0, space 0, times 0 [ 64.851898][ T4475] CPU: 0 PID: 4475 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 64.854320][ T4475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 64.857150][ T4475] Call trace: [ 64.858044][ T4475] dump_backtrace+0x0/0x43c [ 64.859281][ T4475] show_stack+0x2c/0x3c [ 64.860451][ T4475] __dump_stack+0x30/0x40 [ 64.861668][ T4475] dump_stack_lvl+0xf8/0x160 [ 64.862923][ T4475] dump_stack+0x1c/0x5c [ 64.864086][ T4475] should_fail+0x3c0/0x51c [ 64.865337][ T4475] __should_failslab+0xbc/0x10c [ 64.866720][ T4475] should_failslab+0x10/0x28 [ 64.867921][ T4475] slab_pre_alloc_hook+0x64/0xec [ 64.869275][ T4475] __kmalloc_node+0xb8/0x520 [ 64.870573][ T4475] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 64.872004][ T4475] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 64.873595][ T4475] nbd_start_device+0x14c/0xb40 [ 64.874888][ T4475] nbd_ioctl+0x514/0xc50 [ 64.876024][ T4475] blkdev_ioctl+0x5f8/0xbb8 [ 64.877279][ T4475] block_ioctl+0xa4/0x118 [ 64.878483][ T4475] __arm64_sys_ioctl+0x14c/0x1c8 [ 64.879979][ T4475] invoke_syscall+0x98/0x2b8 [ 64.881233][ T4475] el0_svc_common+0x138/0x258 [ 64.882567][ T4475] do_el0_svc+0x58/0x14c [ 64.883730][ T4475] el0_svc+0x78/0x1e0 [ 64.884859][ T4475] el0t_64_sync_handler+0xcc/0xe4 [ 64.886210][ T4475] el0t_64_sync+0x1a0/0x1a4 [ 64.894407][ T4475] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 64.907117][ T4482] block nbd0: shutting down sockets [ 65.048425][ T4490] FAULT_INJECTION: forcing a failure. [ 65.048425][ T4490] name failslab, interval 1, probability 0, space 0, times 0 [ 65.052083][ T4490] CPU: 1 PID: 4490 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 65.054340][ T4490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 65.057079][ T4490] Call trace: [ 65.057994][ T4490] dump_backtrace+0x0/0x43c [ 65.059142][ T4490] show_stack+0x2c/0x3c [ 65.060396][ T4490] __dump_stack+0x30/0x40 [ 65.061536][ T4490] dump_stack_lvl+0xf8/0x160 [ 65.062839][ T4490] dump_stack+0x1c/0x5c [ 65.064010][ T4490] should_fail+0x3c0/0x51c [ 65.065279][ T4490] __should_failslab+0xbc/0x10c [ 65.066730][ T4490] should_failslab+0x10/0x28 [ 65.068017][ T4490] slab_pre_alloc_hook+0x64/0xec [ 65.069398][ T4490] __kmalloc_node+0xb8/0x520 [ 65.070669][ T4490] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 65.072218][ T4490] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 65.073882][ T4490] nbd_start_device+0x14c/0xb40 [ 65.075176][ T4490] nbd_ioctl+0x514/0xc50 [ 65.076331][ T4490] blkdev_ioctl+0x5f8/0xbb8 [ 65.077580][ T4490] block_ioctl+0xa4/0x118 [ 65.078866][ T4490] __arm64_sys_ioctl+0x14c/0x1c8 [ 65.080241][ T4490] invoke_syscall+0x98/0x2b8 [ 65.081469][ T4490] el0_svc_common+0x138/0x258 [ 65.082746][ T4490] do_el0_svc+0x58/0x14c [ 65.083848][ T4490] el0_svc+0x78/0x1e0 [ 65.084945][ T4490] el0t_64_sync_handler+0xcc/0xe4 [ 65.086387][ T4490] el0t_64_sync+0x1a0/0x1a4 [ 65.090512][ T4490] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 65.095999][ T4499] block nbd0: shutting down sockets [ 65.277116][ T4503] FAULT_INJECTION: forcing a failure. [ 65.277116][ T4503] name failslab, interval 1, probability 0, space 0, times 0 [ 65.280650][ T4503] CPU: 0 PID: 4503 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 65.282979][ T4503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 65.285731][ T4503] Call trace: [ 65.286632][ T4503] dump_backtrace+0x0/0x43c [ 65.287891][ T4503] show_stack+0x2c/0x3c [ 65.289016][ T4503] __dump_stack+0x30/0x40 [ 65.290269][ T4503] dump_stack_lvl+0xf8/0x160 [ 65.291555][ T4503] dump_stack+0x1c/0x5c [ 65.292715][ T4503] should_fail+0x3c0/0x51c [ 65.293914][ T4503] __should_failslab+0xbc/0x10c [ 65.295315][ T4503] should_failslab+0x10/0x28 [ 65.296548][ T4503] slab_pre_alloc_hook+0x64/0xec [ 65.297871][ T4503] __kmalloc_node+0xb8/0x520 [ 65.299163][ T4503] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 65.300636][ T4503] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 65.302205][ T4503] nbd_start_device+0x14c/0xb40 [ 65.303536][ T4503] nbd_ioctl+0x514/0xc50 [ 65.304748][ T4503] blkdev_ioctl+0x5f8/0xbb8 [ 65.306010][ T4503] block_ioctl+0xa4/0x118 [ 65.307265][ T4503] __arm64_sys_ioctl+0x14c/0x1c8 [ 65.308558][ T4503] invoke_syscall+0x98/0x2b8 [ 65.309848][ T4503] el0_svc_common+0x138/0x258 [ 65.311151][ T4503] do_el0_svc+0x58/0x14c [ 65.312345][ T4503] el0_svc+0x78/0x1e0 [ 65.313388][ T4503] el0t_64_sync_handler+0xcc/0xe4 [ 65.314772][ T4503] el0t_64_sync+0x1a0/0x1a4 [ 65.320278][ T4503] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 65.325927][ T4512] block nbd0: shutting down sockets [ 65.476701][ T4519] FAULT_INJECTION: forcing a failure. [ 65.476701][ T4519] name failslab, interval 1, probability 0, space 0, times 0 [ 65.480546][ T4519] CPU: 0 PID: 4519 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 65.482917][ T4519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 65.485662][ T4519] Call trace: [ 65.486592][ T4519] dump_backtrace+0x0/0x43c [ 65.487833][ T4519] show_stack+0x2c/0x3c [ 65.488984][ T4519] __dump_stack+0x30/0x40 [ 65.490213][ T4519] dump_stack_lvl+0xf8/0x160 [ 65.491448][ T4519] dump_stack+0x1c/0x5c [ 65.492589][ T4519] should_fail+0x3c0/0x51c [ 65.493779][ T4519] __should_failslab+0xbc/0x10c [ 65.495102][ T4519] should_failslab+0x10/0x28 [ 65.496370][ T4519] slab_pre_alloc_hook+0x64/0xec [ 65.497849][ T4519] __kmalloc_node+0xb8/0x520 [ 65.499091][ T4519] blk_mq_update_nr_hw_queues+0x54c/0xbfc [ 65.500694][ T4519] nbd_start_device+0x14c/0xb40 [ 65.501974][ T4519] nbd_ioctl+0x514/0xc50 [ 65.503168][ T4519] blkdev_ioctl+0x5f8/0xbb8 [ 65.504417][ T4519] block_ioctl+0xa4/0x118 [ 65.505677][ T4519] __arm64_sys_ioctl+0x14c/0x1c8 [ 65.507171][ T4519] invoke_syscall+0x98/0x2b8 [ 65.508609][ T4519] el0_svc_common+0x138/0x258 [ 65.509947][ T4519] do_el0_svc+0x58/0x14c [ 65.511169][ T4519] el0_svc+0x78/0x1e0 [ 65.512288][ T4519] el0t_64_sync_handler+0xcc/0xe4 [ 65.513749][ T4519] el0t_64_sync+0x1a0/0x1a4 [ 65.531679][ T4529] block nbd0: shutting down sockets [ 65.716470][ T4534] FAULT_INJECTION: forcing a failure. [ 65.716470][ T4534] name failslab, interval 1, probability 0, space 0, times 0 [ 65.719962][ T4534] CPU: 1 PID: 4534 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 65.722199][ T4534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 65.725047][ T4534] Call trace: [ 65.726010][ T4534] dump_backtrace+0x0/0x43c [ 65.727410][ T4534] show_stack+0x2c/0x3c [ 65.728563][ T4534] __dump_stack+0x30/0x40 [ 65.729752][ T4534] dump_stack_lvl+0xf8/0x160 [ 65.730998][ T4534] dump_stack+0x1c/0x5c [ 65.732145][ T4534] should_fail+0x3c0/0x51c [ 65.733407][ T4534] __should_failslab+0xbc/0x10c [ 65.734738][ T4534] should_failslab+0x10/0x28 [ 65.735967][ T4534] slab_pre_alloc_hook+0x64/0xec [ 65.737294][ T4534] __kmalloc_node+0xb8/0x520 [ 65.738544][ T4534] blk_mq_update_nr_hw_queues+0x54c/0xbfc [ 65.740103][ T4534] nbd_start_device+0x14c/0xb40 [ 65.741494][ T4534] nbd_ioctl+0x514/0xc50 [ 65.742651][ T4534] blkdev_ioctl+0x5f8/0xbb8 [ 65.743838][ T4534] block_ioctl+0xa4/0x118 [ 65.745029][ T4534] __arm64_sys_ioctl+0x14c/0x1c8 [ 65.746341][ T4534] invoke_syscall+0x98/0x2b8 [ 65.747602][ T4534] el0_svc_common+0x138/0x258 [ 65.748952][ T4534] do_el0_svc+0x58/0x14c [ 65.750108][ T4534] el0_svc+0x78/0x1e0 [ 65.751180][ T4534] el0t_64_sync_handler+0xcc/0xe4 [ 65.752561][ T4534] el0t_64_sync+0x1a0/0x1a4 [ 65.760018][ T4542] block nbd0: shutting down sockets [ 65.926752][ T4550] FAULT_INJECTION: forcing a failure. [ 65.926752][ T4550] name failslab, interval 1, probability 0, space 0, times 0 [ 65.930345][ T4550] CPU: 0 PID: 4550 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 65.932670][ T4550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 65.935504][ T4550] Call trace: [ 65.936448][ T4550] dump_backtrace+0x0/0x43c [ 65.937769][ T4550] show_stack+0x2c/0x3c [ 65.938909][ T4550] __dump_stack+0x30/0x40 [ 65.940138][ T4550] dump_stack_lvl+0xf8/0x160 [ 65.941453][ T4550] dump_stack+0x1c/0x5c [ 65.942603][ T4550] should_fail+0x3c0/0x51c [ 65.943789][ T4550] __should_failslab+0xbc/0x10c [ 65.945107][ T4550] should_failslab+0x10/0x28 [ 65.946323][ T4550] slab_pre_alloc_hook+0x64/0xec [ 65.947681][ T4550] __kmalloc_node+0xb8/0x520 [ 65.948924][ T4550] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 65.950396][ T4550] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 65.951978][ T4550] nbd_start_device+0x14c/0xb40 [ 65.953315][ T4550] nbd_ioctl+0x514/0xc50 [ 65.954492][ T4550] blkdev_ioctl+0x5f8/0xbb8 [ 65.955728][ T4550] block_ioctl+0xa4/0x118 [ 65.956907][ T4550] __arm64_sys_ioctl+0x14c/0x1c8 [ 65.958207][ T4550] invoke_syscall+0x98/0x2b8 [ 65.959506][ T4550] el0_svc_common+0x138/0x258 [ 65.960777][ T4550] do_el0_svc+0x58/0x14c [ 65.961927][ T4550] el0_svc+0x78/0x1e0 [ 65.963028][ T4550] el0t_64_sync_handler+0xcc/0xe4 [ 65.964440][ T4550] el0t_64_sync+0x1a0/0x1a4 [ 65.970314][ T4550] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 65.977555][ T4560] block nbd0: shutting down sockets [ 66.126106][ T4565] FAULT_INJECTION: forcing a failure. [ 66.126106][ T4565] name failslab, interval 1, probability 0, space 0, times 0 [ 66.129571][ T4565] CPU: 0 PID: 4565 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 66.131761][ T4565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 66.134590][ T4565] Call trace: [ 66.135515][ T4565] dump_backtrace+0x0/0x43c [ 66.136863][ T4565] show_stack+0x2c/0x3c [ 66.138035][ T4565] __dump_stack+0x30/0x40 [ 66.139276][ T4565] dump_stack_lvl+0xf8/0x160 [ 66.140588][ T4565] dump_stack+0x1c/0x5c [ 66.141702][ T4565] should_fail+0x3c0/0x51c [ 66.142920][ T4565] __should_failslab+0xbc/0x10c [ 66.144327][ T4565] should_failslab+0x10/0x28 [ 66.145611][ T4565] slab_pre_alloc_hook+0x64/0xec [ 66.147049][ T4565] __kmalloc_node+0xb8/0x520 [ 66.148267][ T4565] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 66.149778][ T4565] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 66.151319][ T4565] nbd_start_device+0x14c/0xb40 [ 66.152706][ T4565] nbd_ioctl+0x514/0xc50 [ 66.153851][ T4565] blkdev_ioctl+0x5f8/0xbb8 [ 66.155139][ T4565] block_ioctl+0xa4/0x118 [ 66.156401][ T4565] __arm64_sys_ioctl+0x14c/0x1c8 [ 66.157788][ T4565] invoke_syscall+0x98/0x2b8 [ 66.159067][ T4565] el0_svc_common+0x138/0x258 [ 66.160305][ T4565] do_el0_svc+0x58/0x14c [ 66.161461][ T4565] el0_svc+0x78/0x1e0 [ 66.162524][ T4565] el0t_64_sync_handler+0xcc/0xe4 [ 66.163916][ T4565] el0t_64_sync+0x1a0/0x1a4 [ 66.169575][ T4565] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 66.177021][ T4574] block nbd0: shutting down sockets [ 66.317469][ T4578] FAULT_INJECTION: forcing a failure. [ 66.317469][ T4578] name failslab, interval 1, probability 0, space 0, times 0 [ 66.321270][ T4578] CPU: 1 PID: 4578 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 66.323630][ T4578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 66.326274][ T4578] Call trace: [ 66.327120][ T4578] dump_backtrace+0x0/0x43c [ 66.328337][ T4578] show_stack+0x2c/0x3c [ 66.329473][ T4578] __dump_stack+0x30/0x40 [ 66.330703][ T4578] dump_stack_lvl+0xf8/0x160 [ 66.331886][ T4578] dump_stack+0x1c/0x5c [ 66.333061][ T4578] should_fail+0x3c0/0x51c [ 66.334263][ T4578] __should_failslab+0xbc/0x10c [ 66.335680][ T4578] should_failslab+0x10/0x28 [ 66.337019][ T4578] slab_pre_alloc_hook+0x64/0xec [ 66.338415][ T4578] __kmalloc_node+0xb8/0x520 [ 66.339689][ T4578] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 66.341240][ T4578] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 66.342842][ T4578] nbd_start_device+0x14c/0xb40 [ 66.344161][ T4578] nbd_ioctl+0x514/0xc50 [ 66.345303][ T4578] blkdev_ioctl+0x5f8/0xbb8 [ 66.346610][ T4578] block_ioctl+0xa4/0x118 [ 66.347800][ T4578] __arm64_sys_ioctl+0x14c/0x1c8 [ 66.349169][ T4578] invoke_syscall+0x98/0x2b8 [ 66.350502][ T4578] el0_svc_common+0x138/0x258 [ 66.351766][ T4578] do_el0_svc+0x58/0x14c [ 66.353047][ T4578] el0_svc+0x78/0x1e0 [ 66.354154][ T4578] el0t_64_sync_handler+0xcc/0xe4 [ 66.355631][ T4578] el0t_64_sync+0x1a0/0x1a4 [ 66.358028][ T4578] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 66.372498][ T4584] block nbd0: shutting down sockets [ 66.452624][ T1535] Bluetooth: hci0: command 0x041b tx timeout [ 66.526339][ T4594] FAULT_INJECTION: forcing a failure. [ 66.526339][ T4594] name failslab, interval 1, probability 0, space 0, times 0 [ 66.529980][ T4594] CPU: 1 PID: 4594 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 66.532292][ T4594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 66.535088][ T4594] Call trace: [ 66.535979][ T4594] dump_backtrace+0x0/0x43c [ 66.537223][ T4594] show_stack+0x2c/0x3c [ 66.538365][ T4594] __dump_stack+0x30/0x40 [ 66.539506][ T4594] dump_stack_lvl+0xf8/0x160 [ 66.540812][ T4594] dump_stack+0x1c/0x5c [ 66.541989][ T4594] should_fail+0x3c0/0x51c [ 66.543304][ T4594] __should_failslab+0xbc/0x10c [ 66.544615][ T4594] should_failslab+0x10/0x28 [ 66.545864][ T4594] slab_pre_alloc_hook+0x64/0xec [ 66.547218][ T4594] __kmalloc_node+0xb8/0x520 [ 66.548587][ T4594] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 66.550150][ T4594] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 66.551763][ T4594] nbd_start_device+0x14c/0xb40 [ 66.553111][ T4594] nbd_ioctl+0x514/0xc50 [ 66.554260][ T4594] blkdev_ioctl+0x5f8/0xbb8 [ 66.555480][ T4594] block_ioctl+0xa4/0x118 [ 66.556748][ T4594] __arm64_sys_ioctl+0x14c/0x1c8 [ 66.558186][ T4594] invoke_syscall+0x98/0x2b8 [ 66.559513][ T4594] el0_svc_common+0x138/0x258 [ 66.560803][ T4594] do_el0_svc+0x58/0x14c [ 66.561954][ T4594] el0_svc+0x78/0x1e0 [ 66.563044][ T4594] el0t_64_sync_handler+0xcc/0xe4 [ 66.564472][ T4594] el0t_64_sync+0x1a0/0x1a4 [ 66.570641][ T4594] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 66.588003][ T4603] block nbd0: shutting down sockets [ 66.736965][ T4608] FAULT_INJECTION: forcing a failure. [ 66.736965][ T4608] name failslab, interval 1, probability 0, space 0, times 0 [ 66.740640][ T4608] CPU: 0 PID: 4608 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 66.742927][ T4608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 66.745666][ T4608] Call trace: [ 66.746569][ T4608] dump_backtrace+0x0/0x43c [ 66.747810][ T4608] show_stack+0x2c/0x3c [ 66.748998][ T4608] __dump_stack+0x30/0x40 [ 66.750145][ T4608] dump_stack_lvl+0xf8/0x160 [ 66.751437][ T4608] dump_stack+0x1c/0x5c [ 66.752583][ T4608] should_fail+0x3c0/0x51c [ 66.753822][ T4608] __should_failslab+0xbc/0x10c [ 66.755174][ T4608] should_failslab+0x10/0x28 [ 66.756455][ T4608] slab_pre_alloc_hook+0x64/0xec [ 66.757812][ T4608] __kmalloc_node+0xb8/0x520 [ 66.759064][ T4608] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 66.760634][ T4608] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 66.762265][ T4608] nbd_start_device+0x14c/0xb40 [ 66.763583][ T4608] nbd_ioctl+0x514/0xc50 [ 66.764751][ T4608] blkdev_ioctl+0x5f8/0xbb8 [ 66.765975][ T4608] block_ioctl+0xa4/0x118 [ 66.767178][ T4608] __arm64_sys_ioctl+0x14c/0x1c8 [ 66.768620][ T4608] invoke_syscall+0x98/0x2b8 [ 66.769966][ T4608] el0_svc_common+0x138/0x258 [ 66.771266][ T4608] do_el0_svc+0x58/0x14c [ 66.772475][ T4608] el0_svc+0x78/0x1e0 [ 66.773586][ T4608] el0t_64_sync_handler+0xcc/0xe4 [ 66.774938][ T4608] el0t_64_sync+0x1a0/0x1a4 [ 66.778084][ T4608] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 66.792712][ T4615] block nbd0: shutting down sockets [ 66.986462][ T4623] FAULT_INJECTION: forcing a failure. [ 66.986462][ T4623] name failslab, interval 1, probability 0, space 0, times 0 [ 66.990050][ T4623] CPU: 0 PID: 4623 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 66.992337][ T4623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 66.995141][ T4623] Call trace: [ 66.996052][ T4623] dump_backtrace+0x0/0x43c [ 66.997289][ T4623] show_stack+0x2c/0x3c [ 66.998411][ T4623] __dump_stack+0x30/0x40 [ 66.999564][ T4623] dump_stack_lvl+0xf8/0x160 [ 67.000812][ T4623] dump_stack+0x1c/0x5c [ 67.001950][ T4623] should_fail+0x3c0/0x51c [ 67.003114][ T4623] __should_failslab+0xbc/0x10c [ 67.004445][ T4623] should_failslab+0x10/0x28 [ 67.005701][ T4623] slab_pre_alloc_hook+0x64/0xec [ 67.007029][ T4623] __kmalloc_node+0xb8/0x520 [ 67.008310][ T4623] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 67.009777][ T4623] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 67.011353][ T4623] nbd_start_device+0x14c/0xb40 [ 67.012674][ T4623] nbd_ioctl+0x514/0xc50 [ 67.013824][ T4623] blkdev_ioctl+0x5f8/0xbb8 [ 67.015049][ T4623] block_ioctl+0xa4/0x118 [ 67.016206][ T4623] __arm64_sys_ioctl+0x14c/0x1c8 [ 67.017609][ T4623] invoke_syscall+0x98/0x2b8 [ 67.018890][ T4623] el0_svc_common+0x138/0x258 [ 67.020165][ T4623] do_el0_svc+0x58/0x14c [ 67.021310][ T4623] el0_svc+0x78/0x1e0 [ 67.022440][ T4623] el0t_64_sync_handler+0xcc/0xe4 [ 67.023782][ T4623] el0t_64_sync+0x1a0/0x1a4 [ 67.027184][ T4623] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 67.040070][ T4635] block nbd0: shutting down sockets [ 67.196071][ T4638] FAULT_INJECTION: forcing a failure. [ 67.196071][ T4638] name failslab, interval 1, probability 0, space 0, times 0 [ 67.199670][ T4638] CPU: 1 PID: 4638 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 67.201896][ T4638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 67.204729][ T4638] Call trace: [ 67.205768][ T4638] dump_backtrace+0x0/0x43c [ 67.207025][ T4638] show_stack+0x2c/0x3c [ 67.208183][ T4638] __dump_stack+0x30/0x40 [ 67.209415][ T4638] dump_stack_lvl+0xf8/0x160 [ 67.210677][ T4638] dump_stack+0x1c/0x5c [ 67.211890][ T4638] should_fail+0x3c0/0x51c [ 67.213111][ T4638] __should_failslab+0xbc/0x10c [ 67.214508][ T4638] should_failslab+0x10/0x28 [ 67.215803][ T4638] slab_pre_alloc_hook+0x64/0xec [ 67.217263][ T4638] __kmalloc_node+0xb8/0x520 [ 67.218537][ T4638] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 67.220049][ T4638] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 67.221759][ T4638] nbd_start_device+0x14c/0xb40 [ 67.223152][ T4638] nbd_ioctl+0x514/0xc50 [ 67.224311][ T4638] blkdev_ioctl+0x5f8/0xbb8 [ 67.225543][ T4638] block_ioctl+0xa4/0x118 [ 67.226800][ T4638] __arm64_sys_ioctl+0x14c/0x1c8 [ 67.228203][ T4638] invoke_syscall+0x98/0x2b8 [ 67.229529][ T4638] el0_svc_common+0x138/0x258 [ 67.230831][ T4638] do_el0_svc+0x58/0x14c [ 67.232084][ T4638] el0_svc+0x78/0x1e0 [ 67.233203][ T4638] el0t_64_sync_handler+0xcc/0xe4 [ 67.234681][ T4638] el0t_64_sync+0x1a0/0x1a4 [ 67.240861][ T4638] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 67.255204][ T4646] block nbd0: shutting down sockets 1970/01/01 00:01:07 executed programs: 15 [ 67.416994][ T4654] FAULT_INJECTION: forcing a failure. [ 67.416994][ T4654] name failslab, interval 1, probability 0, space 0, times 0 [ 67.420534][ T4654] CPU: 1 PID: 4654 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 67.422950][ T4654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 67.425903][ T4654] Call trace: [ 67.426891][ T4654] dump_backtrace+0x0/0x43c [ 67.428128][ T4654] show_stack+0x2c/0x3c [ 67.429307][ T4654] __dump_stack+0x30/0x40 [ 67.430543][ T4654] dump_stack_lvl+0xf8/0x160 [ 67.431833][ T4654] dump_stack+0x1c/0x5c [ 67.433015][ T4654] should_fail+0x3c0/0x51c [ 67.434275][ T4654] __should_failslab+0xbc/0x10c [ 67.435672][ T4654] should_failslab+0x10/0x28 [ 67.436957][ T4654] slab_pre_alloc_hook+0x64/0xec [ 67.438316][ T4654] __kmalloc_node+0xb8/0x520 [ 67.439585][ T4654] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 67.441175][ T4654] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 67.442793][ T4654] nbd_start_device+0x14c/0xb40 [ 67.444286][ T4654] nbd_ioctl+0x514/0xc50 [ 67.445420][ T4654] blkdev_ioctl+0x5f8/0xbb8 [ 67.446670][ T4654] block_ioctl+0xa4/0x118 [ 67.447886][ T4654] __arm64_sys_ioctl+0x14c/0x1c8 [ 67.449235][ T4654] invoke_syscall+0x98/0x2b8 [ 67.450557][ T4654] el0_svc_common+0x138/0x258 [ 67.451829][ T4654] do_el0_svc+0x58/0x14c [ 67.453067][ T4654] el0_svc+0x78/0x1e0 [ 67.454149][ T4654] el0t_64_sync_handler+0xcc/0xe4 [ 67.455604][ T4654] el0t_64_sync+0x1a0/0x1a4 [ 67.460005][ T4654] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 67.466173][ T4661] block nbd0: shutting down sockets [ 67.603447][ T4673] block nbd0: Device being setup by another task [ 67.605995][ T4669] FAULT_INJECTION: forcing a failure. [ 67.605995][ T4669] name failslab, interval 1, probability 0, space 0, times 0 [ 67.609868][ T4669] CPU: 0 PID: 4669 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 67.612146][ T4669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 67.614898][ T4669] Call trace: [ 67.615812][ T4669] dump_backtrace+0x0/0x43c [ 67.617035][ T4669] show_stack+0x2c/0x3c [ 67.618131][ T4669] __dump_stack+0x30/0x40 [ 67.619297][ T4669] dump_stack_lvl+0xf8/0x160 [ 67.620588][ T4669] dump_stack+0x1c/0x5c [ 67.621731][ T4669] should_fail+0x3c0/0x51c [ 67.622940][ T4669] __should_failslab+0xbc/0x10c [ 67.624324][ T4669] should_failslab+0x10/0x28 [ 67.625557][ T4669] slab_pre_alloc_hook+0x64/0xec [ 67.626905][ T4669] kmem_cache_alloc+0x94/0x3e4 [ 67.628245][ T4669] new_inode_pseudo+0x10c/0x1fc [ 67.629554][ T4669] new_inode+0x38/0x174 [ 67.630638][ T4669] debugfs_create_dir+0xec/0x3f4 [ 67.631984][ T4669] nbd_start_device+0x3c8/0xb40 [ 67.633326][ T4669] nbd_ioctl+0x514/0xc50 [ 67.634518][ T4669] blkdev_ioctl+0x5f8/0xbb8 [ 67.635730][ T4669] block_ioctl+0xa4/0x118 [ 67.636924][ T4669] __arm64_sys_ioctl+0x14c/0x1c8 [ 67.638292][ T4669] invoke_syscall+0x98/0x2b8 [ 67.639500][ T4669] el0_svc_common+0x138/0x258 [ 67.640819][ T4669] do_el0_svc+0x58/0x14c [ 67.641998][ T4669] el0_svc+0x78/0x1e0 [ 67.643071][ T4669] el0t_64_sync_handler+0xcc/0xe4 [ 67.644432][ T4669] el0t_64_sync+0x1a0/0x1a4 [ 67.648042][ T4669] debugfs: out of free dentries, can not create directory 'nbd0' [ 67.650394][ T4669] block nbd0: Failed to create debugfs dir for 'nbd0' [ 67.668400][ T4673] block nbd0: shutting down sockets [ 67.806036][ T4687] FAULT_INJECTION: forcing a failure. [ 67.806036][ T4687] name failslab, interval 1, probability 0, space 0, times 0 [ 67.809568][ T4687] CPU: 1 PID: 4687 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 67.811953][ T4687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 67.814832][ T4687] Call trace: [ 67.815759][ T4687] dump_backtrace+0x0/0x43c [ 67.817004][ T4687] show_stack+0x2c/0x3c [ 67.818195][ T4687] __dump_stack+0x30/0x40 [ 67.819503][ T4687] dump_stack_lvl+0xf8/0x160 [ 67.820766][ T4687] dump_stack+0x1c/0x5c [ 67.821899][ T4687] should_fail+0x3c0/0x51c [ 67.823041][ T4687] __should_failslab+0xbc/0x10c [ 67.824355][ T4687] should_failslab+0x10/0x28 [ 67.825582][ T4687] slab_pre_alloc_hook+0x64/0xec [ 67.826932][ T4687] __kmalloc_node+0xb8/0x520 [ 67.828200][ T4687] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 67.829726][ T4687] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 67.831240][ T4687] nbd_start_device+0x14c/0xb40 [ 67.832581][ T4687] nbd_ioctl+0x514/0xc50 [ 67.833764][ T4687] blkdev_ioctl+0x5f8/0xbb8 [ 67.835012][ T4687] block_ioctl+0xa4/0x118 [ 67.836157][ T4687] __arm64_sys_ioctl+0x14c/0x1c8 [ 67.837481][ T4687] invoke_syscall+0x98/0x2b8 [ 67.838752][ T4687] el0_svc_common+0x138/0x258 [ 67.840067][ T4687] do_el0_svc+0x58/0x14c [ 67.841260][ T4687] el0_svc+0x78/0x1e0 [ 67.842316][ T4687] el0t_64_sync_handler+0xcc/0xe4 [ 67.843772][ T4687] el0t_64_sync+0x1a0/0x1a4 [ 67.846397][ T4687] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 67.859291][ T4683] block nbd0: shutting down sockets [ 68.017689][ T4702] FAULT_INJECTION: forcing a failure. [ 68.017689][ T4702] name failslab, interval 1, probability 0, space 0, times 0 [ 68.021533][ T4702] CPU: 0 PID: 4702 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 68.023899][ T4702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 68.026657][ T4702] Call trace: [ 68.027531][ T4702] dump_backtrace+0x0/0x43c [ 68.028773][ T4702] show_stack+0x2c/0x3c [ 68.029934][ T4702] __dump_stack+0x30/0x40 [ 68.031130][ T4702] dump_stack_lvl+0xf8/0x160 [ 68.032400][ T4702] dump_stack+0x1c/0x5c [ 68.033564][ T4702] should_fail+0x3c0/0x51c [ 68.034728][ T4702] __should_failslab+0xbc/0x10c [ 68.036044][ T4702] should_failslab+0x10/0x28 [ 68.037316][ T4702] slab_pre_alloc_hook+0x64/0xec [ 68.038689][ T4702] __kmalloc_node+0xb8/0x520 [ 68.039941][ T4702] blk_mq_update_nr_hw_queues+0x54c/0xbfc [ 68.041556][ T4702] nbd_start_device+0x14c/0xb40 [ 68.042903][ T4702] nbd_ioctl+0x514/0xc50 [ 68.044051][ T4702] blkdev_ioctl+0x5f8/0xbb8 [ 68.045289][ T4702] block_ioctl+0xa4/0x118 [ 68.046487][ T4702] __arm64_sys_ioctl+0x14c/0x1c8 [ 68.047864][ T4702] invoke_syscall+0x98/0x2b8 [ 68.049153][ T4702] el0_svc_common+0x138/0x258 [ 68.050450][ T4702] do_el0_svc+0x58/0x14c [ 68.051557][ T4702] el0_svc+0x78/0x1e0 [ 68.052685][ T4702] el0t_64_sync_handler+0xcc/0xe4 [ 68.054012][ T4702] el0t_64_sync+0x1a0/0x1a4 [ 68.064752][ T4696] block nbd0: shutting down sockets [ 68.218101][ T4711] FAULT_INJECTION: forcing a failure. [ 68.218101][ T4711] name failslab, interval 1, probability 0, space 0, times 0 [ 68.221841][ T4711] CPU: 0 PID: 4711 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 68.224170][ T4711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 68.227007][ T4711] Call trace: [ 68.227907][ T4711] dump_backtrace+0x0/0x43c [ 68.229156][ T4711] show_stack+0x2c/0x3c [ 68.230366][ T4711] __dump_stack+0x30/0x40 [ 68.231591][ T4711] dump_stack_lvl+0xf8/0x160 [ 68.232873][ T4711] dump_stack+0x1c/0x5c [ 68.234013][ T4711] should_fail+0x3c0/0x51c [ 68.235245][ T4711] __should_failslab+0xbc/0x10c [ 68.236640][ T4711] should_failslab+0x10/0x28 [ 68.237968][ T4711] slab_pre_alloc_hook+0x64/0xec [ 68.239328][ T4711] __kmalloc_node+0xb8/0x520 [ 68.240613][ T4711] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 68.242127][ T4711] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 68.243720][ T4711] nbd_start_device+0x14c/0xb40 [ 68.245057][ T4711] nbd_ioctl+0x514/0xc50 [ 68.246188][ T4711] blkdev_ioctl+0x5f8/0xbb8 [ 68.247424][ T4711] block_ioctl+0xa4/0x118 [ 68.248582][ T4711] __arm64_sys_ioctl+0x14c/0x1c8 [ 68.249968][ T4711] invoke_syscall+0x98/0x2b8 [ 68.251290][ T4711] el0_svc_common+0x138/0x258 [ 68.252611][ T4711] do_el0_svc+0x58/0x14c [ 68.253806][ T4711] el0_svc+0x78/0x1e0 [ 68.254930][ T4711] el0t_64_sync_handler+0xcc/0xe4 [ 68.256329][ T4711] el0t_64_sync+0x1a0/0x1a4 [ 68.262961][ T4711] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 68.269012][ T4721] block nbd0: shutting down sockets [ 68.447709][ T4726] FAULT_INJECTION: forcing a failure. [ 68.447709][ T4726] name failslab, interval 1, probability 0, space 0, times 0 [ 68.451282][ T4726] CPU: 1 PID: 4726 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 68.453620][ T4726] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 68.456460][ T4726] Call trace: [ 68.457371][ T4726] dump_backtrace+0x0/0x43c [ 68.458653][ T4726] show_stack+0x2c/0x3c [ 68.459879][ T4726] __dump_stack+0x30/0x40 [ 68.461084][ T4726] dump_stack_lvl+0xf8/0x160 [ 68.462398][ T4726] dump_stack+0x1c/0x5c [ 68.463580][ T4726] should_fail+0x3c0/0x51c [ 68.464883][ T4726] __should_failslab+0xbc/0x10c [ 68.466377][ T4726] should_failslab+0x10/0x28 [ 68.467668][ T4726] slab_pre_alloc_hook+0x64/0xec [ 68.469037][ T4726] __kmalloc_node+0xb8/0x520 [ 68.470376][ T4726] blk_mq_update_nr_hw_queues+0x54c/0xbfc [ 68.471932][ T4726] nbd_start_device+0x14c/0xb40 [ 68.473413][ T4726] nbd_ioctl+0x514/0xc50 [ 68.474561][ T4726] blkdev_ioctl+0x5f8/0xbb8 [ 68.475830][ T4726] block_ioctl+0xa4/0x118 [ 68.477080][ T4726] __arm64_sys_ioctl+0x14c/0x1c8 [ 68.478479][ T4726] invoke_syscall+0x98/0x2b8 [ 68.479786][ T4726] el0_svc_common+0x138/0x258 [ 68.481070][ T4726] do_el0_svc+0x58/0x14c [ 68.482219][ T4726] el0_svc+0x78/0x1e0 [ 68.483356][ T4726] el0t_64_sync_handler+0xcc/0xe4 [ 68.484836][ T4726] el0t_64_sync+0x1a0/0x1a4 [ 68.489718][ T4735] block nbd0: shutting down sockets [ 68.532241][ T4063] Bluetooth: hci0: command 0x040f tx timeout [ 68.646423][ T4740] FAULT_INJECTION: forcing a failure. [ 68.646423][ T4740] name failslab, interval 1, probability 0, space 0, times 0 [ 68.650031][ T4740] CPU: 0 PID: 4740 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 68.652353][ T4740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 68.655146][ T4740] Call trace: [ 68.656035][ T4740] dump_backtrace+0x0/0x43c [ 68.657241][ T4740] show_stack+0x2c/0x3c [ 68.658381][ T4740] __dump_stack+0x30/0x40 [ 68.659593][ T4740] dump_stack_lvl+0xf8/0x160 [ 68.660869][ T4740] dump_stack+0x1c/0x5c [ 68.662021][ T4740] should_fail+0x3c0/0x51c [ 68.663287][ T4740] __should_failslab+0xbc/0x10c [ 68.664653][ T4740] should_failslab+0x10/0x28 [ 68.665875][ T4740] slab_pre_alloc_hook+0x64/0xec [ 68.667226][ T4740] __kmalloc_node+0xb8/0x520 [ 68.668563][ T4740] blk_mq_update_nr_hw_queues+0x54c/0xbfc [ 68.670123][ T4740] nbd_start_device+0x14c/0xb40 [ 68.671536][ T4740] nbd_ioctl+0x514/0xc50 [ 68.672717][ T4740] blkdev_ioctl+0x5f8/0xbb8 [ 68.673930][ T4740] block_ioctl+0xa4/0x118 [ 68.675305][ T4740] __arm64_sys_ioctl+0x14c/0x1c8 [ 68.676697][ T4740] invoke_syscall+0x98/0x2b8 [ 68.677998][ T4740] el0_svc_common+0x138/0x258 [ 68.679333][ T4740] do_el0_svc+0x58/0x14c [ 68.680513][ T4740] el0_svc+0x78/0x1e0 [ 68.681681][ T4740] el0t_64_sync_handler+0xcc/0xe4 [ 68.683007][ T4740] el0t_64_sync+0x1a0/0x1a4 [ 68.688958][ T4741] block nbd0: shutting down sockets [ 68.846127][ T4744] FAULT_INJECTION: forcing a failure. [ 68.846127][ T4744] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 68.849881][ T4744] CPU: 0 PID: 4744 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 68.852273][ T4744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 68.855235][ T4744] Call trace: [ 68.856182][ T4744] dump_backtrace+0x0/0x43c [ 68.857486][ T4744] show_stack+0x2c/0x3c [ 68.858728][ T4744] __dump_stack+0x30/0x40 [ 68.859949][ T4744] dump_stack_lvl+0xf8/0x160 [ 68.861198][ T4744] dump_stack+0x1c/0x5c [ 68.862371][ T4744] should_fail+0x3c0/0x51c [ 68.863618][ T4744] should_fail_alloc_page+0x74/0xa8 [ 68.865047][ T4744] prepare_alloc_pages+0x160/0x460 [ 68.866533][ T4744] __alloc_pages+0x108/0x470 [ 68.867820][ T4744] alloc_pages+0x34c/0x5c0 [ 68.869161][ T4744] new_slab+0xe0/0x55c [ 68.870349][ T4744] ___slab_alloc+0x6c0/0xda8 [ 68.871622][ T4744] __slab_alloc+0x68/0xc0 [ 68.872827][ T4744] __kmalloc_node+0x310/0x520 [ 68.874101][ T4744] blk_mq_update_nr_hw_queues+0x54c/0xbfc [ 68.875713][ T4744] nbd_start_device+0x14c/0xb40 [ 68.877063][ T4744] nbd_ioctl+0x514/0xc50 [ 68.878223][ T4744] blkdev_ioctl+0x5f8/0xbb8 [ 68.879488][ T4744] block_ioctl+0xa4/0x118 [ 68.880639][ T4744] __arm64_sys_ioctl+0x14c/0x1c8 [ 68.882013][ T4744] invoke_syscall+0x98/0x2b8 [ 68.883346][ T4744] el0_svc_common+0x138/0x258 [ 68.884587][ T4744] do_el0_svc+0x58/0x14c [ 68.885822][ T4744] el0_svc+0x78/0x1e0 [ 68.886953][ T4744] el0t_64_sync_handler+0xcc/0xe4 [ 68.888388][ T4744] el0t_64_sync+0x1a0/0x1a4 [ 68.902324][ T4745] block nbd0: shutting down sockets [ 69.013516][ T4748] FAULT_INJECTION: forcing a failure. [ 69.013516][ T4748] name failslab, interval 1, probability 0, space 0, times 0 [ 69.017339][ T4748] CPU: 0 PID: 4748 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 69.019694][ T4748] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 69.022404][ T4748] Call trace: [ 69.023296][ T4748] dump_backtrace+0x0/0x43c [ 69.024591][ T4748] show_stack+0x2c/0x3c [ 69.025770][ T4748] __dump_stack+0x30/0x40 [ 69.026945][ T4748] dump_stack_lvl+0xf8/0x160 [ 69.028221][ T4748] dump_stack+0x1c/0x5c [ 69.029421][ T4748] should_fail+0x3c0/0x51c [ 69.030627][ T4748] __should_failslab+0xbc/0x10c [ 69.031978][ T4748] should_failslab+0x10/0x28 [ 69.033280][ T4748] slab_pre_alloc_hook+0x64/0xec [ 69.034584][ T4748] kmem_cache_alloc+0x94/0x3e4 [ 69.035846][ T4748] new_inode_pseudo+0x10c/0x1fc [ 69.037149][ T4748] new_inode+0x38/0x174 [ 69.038333][ T4748] debugfs_create_dir+0xec/0x3f4 [ 69.039701][ T4748] nbd_start_device+0x3c8/0xb40 [ 69.041044][ T4748] nbd_ioctl+0x514/0xc50 [ 69.042224][ T4748] blkdev_ioctl+0x5f8/0xbb8 [ 69.043448][ T4748] block_ioctl+0xa4/0x118 [ 69.044823][ T4748] __arm64_sys_ioctl+0x14c/0x1c8 [ 69.046163][ T4748] invoke_syscall+0x98/0x2b8 [ 69.047458][ T4748] el0_svc_common+0x138/0x258 [ 69.048748][ T4748] do_el0_svc+0x58/0x14c [ 69.049906][ T4748] el0_svc+0x78/0x1e0 [ 69.051012][ T4748] el0t_64_sync_handler+0xcc/0xe4 [ 69.052367][ T4748] el0t_64_sync+0x1a0/0x1a4 [ 69.053717][ T4748] debugfs: out of free dentries, can not create directory 'nbd0' [ 69.055747][ T4748] block nbd0: Failed to create debugfs dir for 'nbd0' [ 69.064267][ T4749] block nbd0: shutting down sockets [ 69.173881][ T4751] FAULT_INJECTION: forcing a failure. [ 69.173881][ T4751] name failslab, interval 1, probability 0, space 0, times 0 [ 69.177437][ T4751] CPU: 1 PID: 4751 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 69.179782][ T4751] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 69.182489][ T4751] Call trace: [ 69.183420][ T4751] dump_backtrace+0x0/0x43c [ 69.184796][ T4751] show_stack+0x2c/0x3c [ 69.185949][ T4751] __dump_stack+0x30/0x40 [ 69.187258][ T4751] dump_stack_lvl+0xf8/0x160 [ 69.188585][ T4751] dump_stack+0x1c/0x5c [ 69.189712][ T4751] should_fail+0x3c0/0x51c [ 69.190905][ T4751] __should_failslab+0xbc/0x10c [ 69.192284][ T4751] should_failslab+0x10/0x28 [ 69.193577][ T4751] slab_pre_alloc_hook+0x64/0xec [ 69.194935][ T4751] kmem_cache_alloc+0x94/0x3e4 [ 69.196220][ T4751] new_inode_pseudo+0x10c/0x1fc [ 69.197588][ T4751] new_inode+0x38/0x174 [ 69.198770][ T4751] debugfs_create_dir+0xec/0x3f4 [ 69.200123][ T4751] nbd_start_device+0x3c8/0xb40 [ 69.201439][ T4751] nbd_ioctl+0x514/0xc50 [ 69.202627][ T4751] blkdev_ioctl+0x5f8/0xbb8 [ 69.203975][ T4751] block_ioctl+0xa4/0x118 [ 69.205241][ T4751] __arm64_sys_ioctl+0x14c/0x1c8 [ 69.206577][ T4751] invoke_syscall+0x98/0x2b8 [ 69.207939][ T4751] el0_svc_common+0x138/0x258 [ 69.209250][ T4751] do_el0_svc+0x58/0x14c [ 69.210427][ T4751] el0_svc+0x78/0x1e0 [ 69.211729][ T4751] el0t_64_sync_handler+0xcc/0xe4 [ 69.213162][ T4751] el0t_64_sync+0x1a0/0x1a4 [ 69.214718][ T4751] debugfs: out of free dentries, can not create directory 'nbd0' [ 69.216904][ T4751] block nbd0: Failed to create debugfs dir for 'nbd0' [ 69.225006][ T4752] block nbd0: shutting down sockets [ 69.333168][ T4754] FAULT_INJECTION: forcing a failure. [ 69.333168][ T4754] name failslab, interval 1, probability 0, space 0, times 0 [ 69.336744][ T4754] CPU: 0 PID: 4754 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 69.339046][ T4754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 69.341792][ T4754] Call trace: [ 69.342733][ T4754] dump_backtrace+0x0/0x43c [ 69.344156][ T4754] show_stack+0x2c/0x3c [ 69.345348][ T4754] __dump_stack+0x30/0x40 [ 69.346545][ T4754] dump_stack_lvl+0xf8/0x160 [ 69.347905][ T4754] dump_stack+0x1c/0x5c [ 69.349079][ T4754] should_fail+0x3c0/0x51c [ 69.350340][ T4754] __should_failslab+0xbc/0x10c [ 69.351639][ T4754] should_failslab+0x10/0x28 [ 69.352952][ T4754] slab_pre_alloc_hook+0x64/0xec [ 69.354322][ T4754] kmem_cache_alloc+0x94/0x3e4 [ 69.355648][ T4754] new_inode_pseudo+0x10c/0x1fc [ 69.356980][ T4754] new_inode+0x38/0x174 [ 69.358148][ T4754] debugfs_create_dir+0xec/0x3f4 [ 69.359540][ T4754] nbd_start_device+0x3c8/0xb40 [ 69.360878][ T4754] nbd_ioctl+0x514/0xc50 [ 69.362046][ T4754] blkdev_ioctl+0x5f8/0xbb8 [ 69.363322][ T4754] block_ioctl+0xa4/0x118 [ 69.364533][ T4754] __arm64_sys_ioctl+0x14c/0x1c8 [ 69.365953][ T4754] invoke_syscall+0x98/0x2b8 [ 69.367225][ T4754] el0_svc_common+0x138/0x258 [ 69.368500][ T4754] do_el0_svc+0x58/0x14c [ 69.369631][ T4754] el0_svc+0x78/0x1e0 [ 69.370725][ T4754] el0t_64_sync_handler+0xcc/0xe4 [ 69.372189][ T4754] el0t_64_sync+0x1a0/0x1a4 [ 69.373654][ T4754] debugfs: out of free dentries, can not create directory 'nbd0' [ 69.375809][ T4754] block nbd0: Failed to create debugfs dir for 'nbd0' [ 69.385828][ T4755] block nbd0: shutting down sockets [ 69.483811][ T4757] FAULT_INJECTION: forcing a failure. [ 69.483811][ T4757] name failslab, interval 1, probability 0, space 0, times 0 [ 69.487500][ T4757] CPU: 1 PID: 4757 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 69.489870][ T4757] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 69.492762][ T4757] Call trace: [ 69.493811][ T4757] dump_backtrace+0x0/0x43c [ 69.495043][ T4757] show_stack+0x2c/0x3c [ 69.496283][ T4757] __dump_stack+0x30/0x40 [ 69.497554][ T4757] dump_stack_lvl+0xf8/0x160 [ 69.498830][ T4757] dump_stack+0x1c/0x5c [ 69.499951][ T4757] should_fail+0x3c0/0x51c [ 69.501175][ T4757] __should_failslab+0xbc/0x10c [ 69.502522][ T4757] should_failslab+0x10/0x28 [ 69.503747][ T4757] slab_pre_alloc_hook+0x64/0xec [ 69.505112][ T4757] kmem_cache_alloc+0x94/0x3e4 [ 69.506405][ T4757] new_inode_pseudo+0x10c/0x1fc [ 69.507696][ T4757] new_inode+0x38/0x174 [ 69.508822][ T4757] debugfs_create_dir+0xec/0x3f4 [ 69.510204][ T4757] nbd_start_device+0x3c8/0xb40 [ 69.511546][ T4757] nbd_ioctl+0x514/0xc50 [ 69.512741][ T4757] blkdev_ioctl+0x5f8/0xbb8 [ 69.513948][ T4757] block_ioctl+0xa4/0x118 [ 69.515262][ T4757] __arm64_sys_ioctl+0x14c/0x1c8 [ 69.516650][ T4757] invoke_syscall+0x98/0x2b8 [ 69.518024][ T4757] el0_svc_common+0x138/0x258 [ 69.519322][ T4757] do_el0_svc+0x58/0x14c [ 69.520496][ T4757] el0_svc+0x78/0x1e0 [ 69.521564][ T4757] el0t_64_sync_handler+0xcc/0xe4 [ 69.522941][ T4757] el0t_64_sync+0x1a0/0x1a4 [ 69.524364][ T4757] debugfs: out of free dentries, can not create directory 'nbd0' [ 69.526529][ T4757] block nbd0: Failed to create debugfs dir for 'nbd0' [ 69.534802][ T4758] block nbd0: shutting down sockets [ 69.632864][ T4760] FAULT_INJECTION: forcing a failure. [ 69.632864][ T4760] name failslab, interval 1, probability 0, space 0, times 0 [ 69.636395][ T4760] CPU: 1 PID: 4760 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 69.638829][ T4760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 69.641639][ T4760] Call trace: [ 69.642584][ T4760] dump_backtrace+0x0/0x43c [ 69.643824][ T4760] show_stack+0x2c/0x3c [ 69.644970][ T4760] __dump_stack+0x30/0x40 [ 69.646117][ T4760] dump_stack_lvl+0xf8/0x160 [ 69.647355][ T4760] dump_stack+0x1c/0x5c [ 69.648584][ T4760] should_fail+0x3c0/0x51c [ 69.649832][ T4760] __should_failslab+0xbc/0x10c [ 69.651185][ T4760] should_failslab+0x10/0x28 [ 69.652423][ T4760] slab_pre_alloc_hook+0x64/0xec [ 69.653793][ T4760] kmem_cache_alloc+0x94/0x3e4 [ 69.655170][ T4760] __d_alloc+0x3c/0x65c [ 69.656399][ T4760] d_alloc_parallel+0x80/0x1104 [ 69.657765][ T4760] __lookup_slow+0x104/0x380 [ 69.659040][ T4760] lookup_one_len+0x178/0x28c [ 69.660525][ T4760] start_creating+0x19c/0x2e0 [ 69.661830][ T4760] debugfs_create_dir+0x30/0x3f4 [ 69.663156][ T4760] nbd_start_device+0x3c8/0xb40 [ 69.664553][ T4760] nbd_ioctl+0x514/0xc50 [ 69.665679][ T4760] blkdev_ioctl+0x5f8/0xbb8 [ 69.666973][ T4760] block_ioctl+0xa4/0x118 [ 69.668145][ T4760] __arm64_sys_ioctl+0x14c/0x1c8 [ 69.669492][ T4760] invoke_syscall+0x98/0x2b8 [ 69.670785][ T4760] el0_svc_common+0x138/0x258 [ 69.672073][ T4760] do_el0_svc+0x58/0x14c [ 69.673239][ T4760] el0_svc+0x78/0x1e0 [ 69.674345][ T4760] el0t_64_sync_handler+0xcc/0xe4 [ 69.675754][ T4760] el0t_64_sync+0x1a0/0x1a4 [ 69.679392][ T2054] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.679996][ T4760] block nbd0: Failed to create debugfs dir for 'nbd0' [ 69.681386][ T2054] ieee802154 phy1 wpan1: encryption failed: -22 [ 69.692546][ T4761] block nbd0: shutting down sockets [ 69.782773][ T4763] FAULT_INJECTION: forcing a failure. [ 69.782773][ T4763] name failslab, interval 1, probability 0, space 0, times 0 [ 69.786332][ T4763] CPU: 0 PID: 4763 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 69.788641][ T4763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 69.791446][ T4763] Call trace: [ 69.792325][ T4763] dump_backtrace+0x0/0x43c [ 69.793555][ T4763] show_stack+0x2c/0x3c [ 69.794695][ T4763] __dump_stack+0x30/0x40 [ 69.795948][ T4763] dump_stack_lvl+0xf8/0x160 [ 69.797287][ T4763] dump_stack+0x1c/0x5c [ 69.798512][ T4763] should_fail+0x3c0/0x51c [ 69.799791][ T4763] __should_failslab+0xbc/0x10c [ 69.801130][ T4763] should_failslab+0x10/0x28 [ 69.802419][ T4763] slab_pre_alloc_hook+0x64/0xec [ 69.803858][ T4763] __kmalloc_node+0xb8/0x520 [ 69.805141][ T4763] memcg_alloc_page_obj_cgroups+0x80/0x174 [ 69.806883][ T4763] slab_post_alloc_hook+0xc0/0x408 [ 69.808226][ T4763] kmem_cache_alloc+0x1e0/0x3e4 [ 69.809566][ T4763] __d_alloc+0x3c/0x65c [ 69.810661][ T4763] d_alloc_parallel+0x80/0x1104 [ 69.811933][ T4763] __lookup_slow+0x104/0x380 [ 69.813181][ T4763] lookup_one_len+0x178/0x28c [ 69.814476][ T4763] start_creating+0x19c/0x2e0 [ 69.815763][ T4763] debugfs_create_dir+0x30/0x3f4 [ 69.817192][ T4763] nbd_start_device+0x3c8/0xb40 [ 69.818537][ T4763] nbd_ioctl+0x514/0xc50 [ 69.819663][ T4763] blkdev_ioctl+0x5f8/0xbb8 [ 69.820860][ T4763] block_ioctl+0xa4/0x118 [ 69.822135][ T4763] __arm64_sys_ioctl+0x14c/0x1c8 [ 69.823533][ T4763] invoke_syscall+0x98/0x2b8 [ 69.824817][ T4763] el0_svc_common+0x138/0x258 [ 69.826039][ T4763] do_el0_svc+0x58/0x14c [ 69.827210][ T4763] el0_svc+0x78/0x1e0 [ 69.828310][ T4763] el0t_64_sync_handler+0xcc/0xe4 [ 69.829719][ T4763] el0t_64_sync+0x1a0/0x1a4 [ 69.834733][ T4764] block nbd0: shutting down sockets [ 69.953910][ T4766] FAULT_INJECTION: forcing a failure. [ 69.953910][ T4766] name failslab, interval 1, probability 0, space 0, times 0 [ 69.957427][ T4766] CPU: 0 PID: 4766 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 69.959759][ T4766] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 69.962567][ T4766] Call trace: [ 69.963478][ T4766] dump_backtrace+0x0/0x43c [ 69.964723][ T4766] show_stack+0x2c/0x3c [ 69.965847][ T4766] __dump_stack+0x30/0x40 [ 69.967023][ T4766] dump_stack_lvl+0xf8/0x160 [ 69.968245][ T4766] dump_stack+0x1c/0x5c [ 69.969453][ T4766] should_fail+0x3c0/0x51c [ 69.970789][ T4766] __should_failslab+0xbc/0x10c [ 69.972114][ T4766] should_failslab+0x10/0x28 [ 69.973375][ T4766] slab_pre_alloc_hook+0x64/0xec [ 69.974721][ T4766] kmem_cache_alloc+0x94/0x3e4 [ 69.976027][ T4766] __d_alloc+0x3c/0x65c [ 69.977094][ T4766] d_alloc_parallel+0x80/0x1104 [ 69.978481][ T4766] __lookup_slow+0x104/0x380 [ 69.979737][ T4766] lookup_one_len+0x178/0x28c [ 69.981067][ T4766] start_creating+0x19c/0x2e0 [ 69.982329][ T4766] debugfs_create_dir+0x30/0x3f4 [ 69.983691][ T4766] nbd_start_device+0x3c8/0xb40 [ 69.985027][ T4766] nbd_ioctl+0x514/0xc50 [ 69.986228][ T4766] blkdev_ioctl+0x5f8/0xbb8 [ 69.987489][ T4766] block_ioctl+0xa4/0x118 [ 69.988647][ T4766] __arm64_sys_ioctl+0x14c/0x1c8 [ 69.989986][ T4766] invoke_syscall+0x98/0x2b8 [ 69.991201][ T4766] el0_svc_common+0x138/0x258 [ 69.992544][ T4766] do_el0_svc+0x58/0x14c [ 69.993675][ T4766] el0_svc+0x78/0x1e0 [ 69.994805][ T4766] el0t_64_sync_handler+0xcc/0xe4 [ 69.996303][ T4766] el0t_64_sync+0x1a0/0x1a4 [ 69.997993][ T4766] block nbd0: Failed to create debugfs dir for 'nbd0' [ 70.003735][ T4767] block nbd0: shutting down sockets [ 70.102884][ T4769] FAULT_INJECTION: forcing a failure. [ 70.102884][ T4769] name failslab, interval 1, probability 0, space 0, times 0 [ 70.106628][ T4769] CPU: 1 PID: 4769 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 70.108952][ T4769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 70.111660][ T4769] Call trace: [ 70.112588][ T4769] dump_backtrace+0x0/0x43c [ 70.113834][ T4769] show_stack+0x2c/0x3c [ 70.114956][ T4769] __dump_stack+0x30/0x40 [ 70.116113][ T4769] dump_stack_lvl+0xf8/0x160 [ 70.117469][ T4769] dump_stack+0x1c/0x5c [ 70.118593][ T4769] should_fail+0x3c0/0x51c [ 70.119821][ T4769] __should_failslab+0xbc/0x10c [ 70.121092][ T4769] should_failslab+0x10/0x28 [ 70.122392][ T4769] slab_pre_alloc_hook+0x64/0xec [ 70.123798][ T4769] kmem_cache_alloc+0x94/0x3e4 [ 70.125146][ T4769] new_inode_pseudo+0x10c/0x1fc [ 70.126465][ T4769] new_inode+0x38/0x174 [ 70.127661][ T4769] debugfs_create_dir+0xec/0x3f4 [ 70.129022][ T4769] nbd_start_device+0x3c8/0xb40 [ 70.130391][ T4769] nbd_ioctl+0x514/0xc50 [ 70.131572][ T4769] blkdev_ioctl+0x5f8/0xbb8 [ 70.132794][ T4769] block_ioctl+0xa4/0x118 [ 70.134091][ T4769] __arm64_sys_ioctl+0x14c/0x1c8 [ 70.135427][ T4769] invoke_syscall+0x98/0x2b8 [ 70.136692][ T4769] el0_svc_common+0x138/0x258 [ 70.137994][ T4769] do_el0_svc+0x58/0x14c [ 70.139181][ T4769] el0_svc+0x78/0x1e0 [ 70.140283][ T4769] el0t_64_sync_handler+0xcc/0xe4 [ 70.141675][ T4769] el0t_64_sync+0x1a0/0x1a4 [ 70.143756][ T4769] debugfs: out of free dentries, can not create directory 'nbd0' [ 70.146027][ T4769] block nbd0: Failed to create debugfs dir for 'nbd0' [ 70.153905][ T4770] block nbd0: shutting down sockets [ 70.272874][ T4772] FAULT_INJECTION: forcing a failure. [ 70.272874][ T4772] name failslab, interval 1, probability 0, space 0, times 0 [ 70.276652][ T4772] CPU: 1 PID: 4772 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 70.278910][ T4772] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 70.281609][ T4772] Call trace: [ 70.282545][ T4772] dump_backtrace+0x0/0x43c [ 70.283752][ T4772] show_stack+0x2c/0x3c [ 70.284881][ T4772] __dump_stack+0x30/0x40 [ 70.286077][ T4772] dump_stack_lvl+0xf8/0x160 [ 70.287371][ T4772] dump_stack+0x1c/0x5c [ 70.288483][ T4772] should_fail+0x3c0/0x51c [ 70.289711][ T4772] __should_failslab+0xbc/0x10c [ 70.291154][ T4772] should_failslab+0x10/0x28 [ 70.292406][ T4772] slab_pre_alloc_hook+0x64/0xec [ 70.293784][ T4772] kmem_cache_alloc+0x94/0x3e4 [ 70.295138][ T4772] __d_alloc+0x3c/0x65c [ 70.296275][ T4772] d_alloc_parallel+0x80/0x1104 [ 70.297649][ T4772] __lookup_slow+0x104/0x380 [ 70.298882][ T4772] lookup_one_len+0x178/0x28c [ 70.300171][ T4772] start_creating+0x19c/0x2e0 [ 70.301431][ T4772] debugfs_create_dir+0x30/0x3f4 [ 70.302770][ T4772] nbd_start_device+0x3c8/0xb40 [ 70.304153][ T4772] nbd_ioctl+0x514/0xc50 [ 70.305372][ T4772] blkdev_ioctl+0x5f8/0xbb8 [ 70.306650][ T4772] block_ioctl+0xa4/0x118 [ 70.307836][ T4772] __arm64_sys_ioctl+0x14c/0x1c8 [ 70.309198][ T4772] invoke_syscall+0x98/0x2b8 [ 70.310560][ T4772] el0_svc_common+0x138/0x258 [ 70.311859][ T4772] do_el0_svc+0x58/0x14c [ 70.313126][ T4772] el0_svc+0x78/0x1e0 [ 70.314192][ T4772] el0t_64_sync_handler+0xcc/0xe4 [ 70.315536][ T4772] el0t_64_sync+0x1a0/0x1a4 [ 70.317057][ T4772] block nbd0: Failed to create debugfs dir for 'nbd0' [ 70.327000][ T4773] block nbd0: shutting down sockets [ 70.452859][ T4775] FAULT_INJECTION: forcing a failure. [ 70.452859][ T4775] name failslab, interval 1, probability 0, space 0, times 0 [ 70.456366][ T4775] CPU: 1 PID: 4775 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 70.458858][ T4775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 70.461984][ T4775] Call trace: [ 70.462862][ T4775] dump_backtrace+0x0/0x43c [ 70.464124][ T4775] show_stack+0x2c/0x3c [ 70.465288][ T4775] __dump_stack+0x30/0x40 [ 70.466457][ T4775] dump_stack_lvl+0xf8/0x160 [ 70.467702][ T4775] dump_stack+0x1c/0x5c [ 70.468846][ T4775] should_fail+0x3c0/0x51c [ 70.469887][ T4775] __should_failslab+0xbc/0x10c [ 70.471010][ T4775] should_failslab+0x10/0x28 [ 70.472078][ T4775] slab_pre_alloc_hook+0x64/0xec [ 70.473222][ T4775] kmem_cache_alloc+0x94/0x3e4 [ 70.474454][ T4775] new_inode_pseudo+0x10c/0x1fc [ 70.475769][ T4775] new_inode+0x38/0x174 [ 70.476949][ T4775] debugfs_create_dir+0xec/0x3f4 [ 70.478319][ T4775] nbd_start_device+0x3c8/0xb40 [ 70.479669][ T4775] nbd_ioctl+0x514/0xc50 [ 70.480844][ T4775] blkdev_ioctl+0x5f8/0xbb8 [ 70.482075][ T4775] block_ioctl+0xa4/0x118 [ 70.483286][ T4775] __arm64_sys_ioctl+0x14c/0x1c8 [ 70.484651][ T4775] invoke_syscall+0x98/0x2b8 [ 70.485943][ T4775] el0_svc_common+0x138/0x258 [ 70.487238][ T4775] do_el0_svc+0x58/0x14c [ 70.488431][ T4775] el0_svc+0x78/0x1e0 [ 70.489555][ T4775] el0t_64_sync_handler+0xcc/0xe4 [ 70.490983][ T4775] el0t_64_sync+0x1a0/0x1a4 [ 70.494328][ T4775] debugfs: out of free dentries, can not create directory 'nbd0' [ 70.496528][ T4775] block nbd0: Failed to create debugfs dir for 'nbd0' [ 70.503915][ T4776] block nbd0: shutting down sockets [ 70.612168][ T4047] Bluetooth: hci0: command 0x0419 tx timeout [ 70.614274][ T4778] FAULT_INJECTION: forcing a failure. [ 70.614274][ T4778] name failslab, interval 1, probability 0, space 0, times 0 [ 70.618149][ T4778] CPU: 0 PID: 4778 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 70.620484][ T4778] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 70.623156][ T4778] Call trace: [ 70.624057][ T4778] dump_backtrace+0x0/0x43c [ 70.625304][ T4778] show_stack+0x2c/0x3c [ 70.626434][ T4778] __dump_stack+0x30/0x40 [ 70.627598][ T4778] dump_stack_lvl+0xf8/0x160 [ 70.628817][ T4778] dump_stack+0x1c/0x5c [ 70.629979][ T4778] should_fail+0x3c0/0x51c [ 70.631241][ T4778] __should_failslab+0xbc/0x10c [ 70.632556][ T4778] should_failslab+0x10/0x28 [ 70.633866][ T4778] slab_pre_alloc_hook+0x64/0xec [ 70.635279][ T4778] kmem_cache_alloc+0x94/0x3e4 [ 70.636604][ T4778] new_inode_pseudo+0x10c/0x1fc [ 70.637955][ T4778] new_inode+0x38/0x174 [ 70.639074][ T4778] debugfs_create_dir+0xec/0x3f4 [ 70.640454][ T4778] nbd_start_device+0x3c8/0xb40 [ 70.641850][ T4778] nbd_ioctl+0x514/0xc50 [ 70.643040][ T4778] blkdev_ioctl+0x5f8/0xbb8 [ 70.644262][ T4778] block_ioctl+0xa4/0x118 [ 70.645471][ T4778] __arm64_sys_ioctl+0x14c/0x1c8 [ 70.646818][ T4778] invoke_syscall+0x98/0x2b8 [ 70.648126][ T4778] el0_svc_common+0x138/0x258 [ 70.649474][ T4778] do_el0_svc+0x58/0x14c [ 70.650664][ T4778] el0_svc+0x78/0x1e0 [ 70.651778][ T4778] el0t_64_sync_handler+0xcc/0xe4 [ 70.653157][ T4778] el0t_64_sync+0x1a0/0x1a4 [ 70.654587][ T4778] debugfs: out of free dentries, can not create directory 'nbd0' [ 70.656755][ T4778] block nbd0: Failed to create debugfs dir for 'nbd0' [ 70.668273][ T4779] block nbd0: shutting down sockets [ 70.752663][ T4781] FAULT_INJECTION: forcing a failure. [ 70.752663][ T4781] name failslab, interval 1, probability 0, space 0, times 0 [ 70.756305][ T4781] CPU: 0 PID: 4781 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 70.758620][ T4781] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 70.761349][ T4781] Call trace: [ 70.762259][ T4781] dump_backtrace+0x0/0x43c [ 70.763563][ T4781] show_stack+0x2c/0x3c [ 70.764739][ T4781] __dump_stack+0x30/0x40 [ 70.765923][ T4781] dump_stack_lvl+0xf8/0x160 [ 70.767177][ T4781] dump_stack+0x1c/0x5c [ 70.768336][ T4781] should_fail+0x3c0/0x51c [ 70.769539][ T4781] __should_failslab+0xbc/0x10c [ 70.770883][ T4781] should_failslab+0x10/0x28 [ 70.772225][ T4781] slab_pre_alloc_hook+0x64/0xec [ 70.773638][ T4781] kmem_cache_alloc+0x94/0x3e4 [ 70.774942][ T4781] new_inode_pseudo+0x10c/0x1fc [ 70.776320][ T4781] new_inode+0x38/0x174 [ 70.777468][ T4781] debugfs_create_dir+0xec/0x3f4 [ 70.778854][ T4781] nbd_start_device+0x3c8/0xb40 [ 70.780204][ T4781] nbd_ioctl+0x514/0xc50 [ 70.781377][ T4781] blkdev_ioctl+0x5f8/0xbb8 [ 70.782655][ T4781] block_ioctl+0xa4/0x118 [ 70.783862][ T4781] __arm64_sys_ioctl+0x14c/0x1c8 [ 70.785222][ T4781] invoke_syscall+0x98/0x2b8 [ 70.786471][ T4781] el0_svc_common+0x138/0x258 [ 70.787688][ T4781] do_el0_svc+0x58/0x14c [ 70.788826][ T4781] el0_svc+0x78/0x1e0 [ 70.789938][ T4781] el0t_64_sync_handler+0xcc/0xe4 [ 70.791268][ T4781] el0t_64_sync+0x1a0/0x1a4 [ 70.792715][ T4781] debugfs: out of free dentries, can not create directory 'nbd0' [ 70.794817][ T4781] block nbd0: Failed to create debugfs dir for 'nbd0' [ 70.803986][ T4782] block nbd0: shutting down sockets [ 70.902746][ T4784] FAULT_INJECTION: forcing a failure. [ 70.902746][ T4784] name failslab, interval 1, probability 0, space 0, times 0 [ 70.906383][ T4784] CPU: 1 PID: 4784 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 70.908939][ T4784] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 70.911621][ T4784] Call trace: [ 70.912537][ T4784] dump_backtrace+0x0/0x43c [ 70.913760][ T4784] show_stack+0x2c/0x3c [ 70.914908][ T4784] __dump_stack+0x30/0x40 [ 70.916106][ T4784] dump_stack_lvl+0xf8/0x160 [ 70.917441][ T4784] dump_stack+0x1c/0x5c [ 70.918607][ T4784] should_fail+0x3c0/0x51c [ 70.919810][ T4784] __should_failslab+0xbc/0x10c [ 70.921106][ T4784] should_failslab+0x10/0x28 [ 70.922378][ T4784] slab_pre_alloc_hook+0x64/0xec [ 70.923765][ T4784] kmem_cache_alloc+0x94/0x3e4 [ 70.925174][ T4784] new_inode_pseudo+0x10c/0x1fc [ 70.926648][ T4784] new_inode+0x38/0x174 [ 70.927802][ T4784] debugfs_create_dir+0xec/0x3f4 [ 70.929214][ T4784] nbd_start_device+0x3c8/0xb40 [ 70.930514][ T4784] nbd_ioctl+0x514/0xc50 [ 70.931653][ T4784] blkdev_ioctl+0x5f8/0xbb8 [ 70.932906][ T4784] block_ioctl+0xa4/0x118 [ 70.934091][ T4784] __arm64_sys_ioctl+0x14c/0x1c8 [ 70.935507][ T4784] invoke_syscall+0x98/0x2b8 [ 70.937017][ T4784] el0_svc_common+0x138/0x258 [ 70.938395][ T4784] do_el0_svc+0x58/0x14c [ 70.939616][ T4784] el0_svc+0x78/0x1e0 [ 70.940822][ T4784] el0t_64_sync_handler+0xcc/0xe4 [ 70.942215][ T4784] el0t_64_sync+0x1a0/0x1a4 [ 70.944425][ T4784] debugfs: out of free dentries, can not create directory 'nbd0' [ 70.946605][ T4784] block nbd0: Failed to create debugfs dir for 'nbd0' [ 70.955800][ T4785] block nbd0: shutting down sockets [ 71.032850][ T4787] FAULT_INJECTION: forcing a failure. [ 71.032850][ T4787] name failslab, interval 1, probability 0, space 0, times 0 [ 71.036422][ T4787] CPU: 1 PID: 4787 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 71.038776][ T4787] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 71.041437][ T4787] Call trace: [ 71.042335][ T4787] dump_backtrace+0x0/0x43c [ 71.043599][ T4787] show_stack+0x2c/0x3c [ 71.044840][ T4787] __dump_stack+0x30/0x40 [ 71.045992][ T4787] dump_stack_lvl+0xf8/0x160 [ 71.047369][ T4787] dump_stack+0x1c/0x5c [ 71.048571][ T4787] should_fail+0x3c0/0x51c [ 71.049817][ T4787] __should_failslab+0xbc/0x10c [ 71.051188][ T4787] should_failslab+0x10/0x28 [ 71.052486][ T4787] slab_pre_alloc_hook+0x64/0xec [ 71.053818][ T4787] kmem_cache_alloc+0x94/0x3e4 [ 71.055181][ T4787] __d_alloc+0x3c/0x65c [ 71.056333][ T4787] d_alloc_parallel+0x80/0x1104 [ 71.057694][ T4787] __lookup_slow+0x104/0x380 [ 71.058959][ T4787] lookup_one_len+0x178/0x28c [ 71.060276][ T4787] start_creating+0x19c/0x2e0 [ 71.061535][ T4787] debugfs_create_dir+0x30/0x3f4 [ 71.062917][ T4787] nbd_start_device+0x3c8/0xb40 [ 71.064311][ T4787] nbd_ioctl+0x514/0xc50 [ 71.065478][ T4787] blkdev_ioctl+0x5f8/0xbb8 [ 71.066837][ T4787] block_ioctl+0xa4/0x118 [ 71.068065][ T4787] __arm64_sys_ioctl+0x14c/0x1c8 [ 71.069477][ T4787] invoke_syscall+0x98/0x2b8 [ 71.070803][ T4787] el0_svc_common+0x138/0x258 [ 71.072182][ T4787] do_el0_svc+0x58/0x14c [ 71.073339][ T4787] el0_svc+0x78/0x1e0 [ 71.074412][ T4787] el0t_64_sync_handler+0xcc/0xe4 [ 71.075840][ T4787] el0t_64_sync+0x1a0/0x1a4 [ 71.077897][ T4787] block nbd0: Failed to create debugfs dir for 'nbd0' [ 71.084293][ T4788] block nbd0: shutting down sockets [ 71.202931][ T4790] FAULT_INJECTION: forcing a failure. [ 71.202931][ T4790] name failslab, interval 1, probability 0, space 0, times 0 [ 71.206502][ T4790] CPU: 0 PID: 4790 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 71.208862][ T4790] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 71.211626][ T4790] Call trace: [ 71.212515][ T4790] dump_backtrace+0x0/0x43c [ 71.213840][ T4790] show_stack+0x2c/0x3c [ 71.214986][ T4790] __dump_stack+0x30/0x40 [ 71.216205][ T4790] dump_stack_lvl+0xf8/0x160 [ 71.217439][ T4790] dump_stack+0x1c/0x5c [ 71.218562][ T4790] should_fail+0x3c0/0x51c [ 71.219790][ T4790] __should_failslab+0xbc/0x10c [ 71.221163][ T4790] should_failslab+0x10/0x28 [ 71.222423][ T4790] slab_pre_alloc_hook+0x64/0xec [ 71.223776][ T4790] kmem_cache_alloc+0x94/0x3e4 [ 71.225121][ T4790] __d_alloc+0x3c/0x65c [ 71.226223][ T4790] d_alloc_parallel+0x80/0x1104 [ 71.227579][ T4790] __lookup_slow+0x104/0x380 [ 71.228819][ T4790] lookup_one_len+0x178/0x28c [ 71.230124][ T4790] start_creating+0x19c/0x2e0 [ 71.231370][ T4790] debugfs_create_dir+0x30/0x3f4 [ 71.232726][ T4790] nbd_start_device+0x3c8/0xb40 [ 71.234008][ T4790] nbd_ioctl+0x514/0xc50 [ 71.235129][ T4790] blkdev_ioctl+0x5f8/0xbb8 [ 71.236347][ T4790] block_ioctl+0xa4/0x118 [ 71.237478][ T4790] __arm64_sys_ioctl+0x14c/0x1c8 [ 71.238872][ T4790] invoke_syscall+0x98/0x2b8 [ 71.240149][ T4790] el0_svc_common+0x138/0x258 [ 71.241466][ T4790] do_el0_svc+0x58/0x14c [ 71.242603][ T4790] el0_svc+0x78/0x1e0 [ 71.243728][ T4790] el0t_64_sync_handler+0xcc/0xe4 [ 71.245180][ T4790] el0t_64_sync+0x1a0/0x1a4 [ 71.246819][ T4790] block nbd0: Failed to create debugfs dir for 'nbd0' [ 71.255316][ T4791] block nbd0: shutting down sockets [ 71.392169][ T4794] FAULT_INJECTION: forcing a failure. [ 71.392169][ T4794] name failslab, interval 1, probability 0, space 0, times 0 [ 71.395830][ T4794] CPU: 0 PID: 4794 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 71.398288][ T4794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 71.401152][ T4794] Call trace: [ 71.402035][ T4794] dump_backtrace+0x0/0x43c [ 71.403308][ T4794] show_stack+0x2c/0x3c [ 71.404562][ T4794] __dump_stack+0x30/0x40 [ 71.405781][ T4794] dump_stack_lvl+0xf8/0x160 [ 71.407040][ T4794] dump_stack+0x1c/0x5c [ 71.408373][ T4794] should_fail+0x3c0/0x51c [ 71.409652][ T4794] __should_failslab+0xbc/0x10c [ 71.411029][ T4794] should_failslab+0x10/0x28 [ 71.412365][ T4794] slab_pre_alloc_hook+0x64/0xec [ 71.413764][ T4794] kmem_cache_alloc+0x94/0x3e4 [ 71.415052][ T4794] radix_tree_node_alloc+0x180/0x340 [ 71.416510][ T4794] idr_get_free+0x240/0x8fc [ 71.417828][ T4794] idr_alloc_cyclic+0x154/0x468 [ 71.419173][ T4794] __kernfs_new_node+0x120/0x5d8 [ 71.420531][ T4794] kernfs_new_node+0x11c/0x240 [ 71.421840][ T4794] __kernfs_create_file+0x60/0x2d4 [ 71.423187][ T4794] sysfs_add_file_mode_ns+0x2c4/0x3a4 [ 71.424661][ T4794] sysfs_create_file_ns+0x104/0x188 [ 71.426065][ T4794] device_create_file+0xfc/0x1b0 [ 71.427471][ T4794] nbd_start_device+0x350/0xb40 [ 71.428877][ T4794] nbd_ioctl+0x514/0xc50 [ 71.430116][ T4794] blkdev_ioctl+0x5f8/0xbb8 [ 71.431267][ T4794] block_ioctl+0xa4/0x118 [ 71.432408][ T4794] __arm64_sys_ioctl+0x14c/0x1c8 [ 71.433815][ T4794] invoke_syscall+0x98/0x2b8 [ 71.435102][ T4794] el0_svc_common+0x138/0x258 [ 71.436409][ T4794] do_el0_svc+0x58/0x14c [ 71.437579][ T4794] el0_svc+0x78/0x1e0 [ 71.438679][ T4794] el0t_64_sync_handler+0xcc/0xe4 [ 71.440056][ T4794] el0t_64_sync+0x1a0/0x1a4 [ 71.444995][ T4793] block nbd0: shutting down sockets [ 71.572855][ T4796] FAULT_INJECTION: forcing a failure. [ 71.572855][ T4796] name failslab, interval 1, probability 0, space 0, times 0 [ 71.576644][ T4796] CPU: 0 PID: 4796 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 71.579103][ T4796] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 71.581860][ T4796] Call trace: [ 71.582789][ T4796] dump_backtrace+0x0/0x43c [ 71.584064][ T4796] show_stack+0x2c/0x3c [ 71.585235][ T4796] __dump_stack+0x30/0x40 [ 71.586489][ T4796] dump_stack_lvl+0xf8/0x160 [ 71.587755][ T4796] dump_stack+0x1c/0x5c [ 71.588867][ T4796] should_fail+0x3c0/0x51c [ 71.590169][ T4796] __should_failslab+0xbc/0x10c [ 71.591498][ T4796] should_failslab+0x10/0x28 [ 71.592765][ T4796] slab_pre_alloc_hook+0x64/0xec [ 71.594126][ T4796] kmem_cache_alloc+0x94/0x3e4 [ 71.595475][ T4796] __d_alloc+0x3c/0x65c [ 71.596646][ T4796] d_alloc_parallel+0x80/0x1104 [ 71.597955][ T4796] __lookup_slow+0x104/0x380 [ 71.599217][ T4796] lookup_one_len+0x178/0x28c [ 71.600532][ T4796] start_creating+0x19c/0x2e0 [ 71.601882][ T4796] debugfs_create_dir+0x30/0x3f4 [ 71.603292][ T4796] nbd_start_device+0x3c8/0xb40 [ 71.604672][ T4796] nbd_ioctl+0x514/0xc50 [ 71.605882][ T4796] blkdev_ioctl+0x5f8/0xbb8 [ 71.607116][ T4796] block_ioctl+0xa4/0x118 [ 71.608315][ T4796] __arm64_sys_ioctl+0x14c/0x1c8 [ 71.609763][ T4796] invoke_syscall+0x98/0x2b8 [ 71.611156][ T4796] el0_svc_common+0x138/0x258 [ 71.612535][ T4796] do_el0_svc+0x58/0x14c [ 71.613693][ T4796] el0_svc+0x78/0x1e0 [ 71.614797][ T4796] el0t_64_sync_handler+0xcc/0xe4 [ 71.616281][ T4796] el0t_64_sync+0x1a0/0x1a4 [ 71.617740][ T4796] block nbd0: Failed to create debugfs dir for 'nbd0' [ 71.625433][ T4797] block nbd0: shutting down sockets [ 71.742888][ T4800] FAULT_INJECTION: forcing a failure. [ 71.742888][ T4800] name failslab, interval 1, probability 0, space 0, times 0 [ 71.746352][ T4800] CPU: 1 PID: 4800 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 71.748779][ T4800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 71.751525][ T4800] Call trace: [ 71.752400][ T4800] dump_backtrace+0x0/0x43c [ 71.753662][ T4800] show_stack+0x2c/0x3c [ 71.754790][ T4800] __dump_stack+0x30/0x40 [ 71.756003][ T4800] dump_stack_lvl+0xf8/0x160 [ 71.757267][ T4800] dump_stack+0x1c/0x5c [ 71.758417][ T4800] should_fail+0x3c0/0x51c [ 71.759709][ T4800] __should_failslab+0xbc/0x10c [ 71.761044][ T4800] should_failslab+0x10/0x28 [ 71.762344][ T4800] slab_pre_alloc_hook+0x64/0xec [ 71.763687][ T4800] kmem_cache_alloc+0x94/0x3e4 [ 71.764990][ T4800] __d_alloc+0x3c/0x65c [ 71.766132][ T4800] d_alloc_parallel+0x80/0x1104 [ 71.767455][ T4800] __lookup_slow+0x104/0x380 [ 71.768659][ T4800] lookup_one_len+0x178/0x28c [ 71.769940][ T4800] start_creating+0x19c/0x2e0 [ 71.771289][ T4800] debugfs_create_dir+0x30/0x3f4 [ 71.772663][ T4800] nbd_start_device+0x3c8/0xb40 [ 71.773984][ T4800] nbd_ioctl+0x514/0xc50 [ 71.775161][ T4800] blkdev_ioctl+0x5f8/0xbb8 [ 71.776463][ T4800] block_ioctl+0xa4/0x118 [ 71.777752][ T4800] __arm64_sys_ioctl+0x14c/0x1c8 [ 71.779171][ T4800] invoke_syscall+0x98/0x2b8 [ 71.780445][ T4800] el0_svc_common+0x138/0x258 [ 71.781701][ T4800] do_el0_svc+0x58/0x14c [ 71.782862][ T4800] el0_svc+0x78/0x1e0 [ 71.783959][ T4800] el0t_64_sync_handler+0xcc/0xe4 [ 71.785431][ T4800] el0t_64_sync+0x1a0/0x1a4 [ 71.787692][ T4800] block nbd0: Failed to create debugfs dir for 'nbd0' [ 71.790732][ T4799] block nbd0: shutting down sockets [ 71.912338][ T4803] FAULT_INJECTION: forcing a failure. [ 71.912338][ T4803] name failslab, interval 1, probability 0, space 0, times 0 [ 71.915880][ T4803] CPU: 0 PID: 4803 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 71.918100][ T4803] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 71.920812][ T4803] Call trace: [ 71.921673][ T4803] dump_backtrace+0x0/0x43c [ 71.922846][ T4803] show_stack+0x2c/0x3c [ 71.923951][ T4803] __dump_stack+0x30/0x40 [ 71.925148][ T4803] dump_stack_lvl+0xf8/0x160 [ 71.926422][ T4803] dump_stack+0x1c/0x5c [ 71.927540][ T4803] should_fail+0x3c0/0x51c [ 71.928765][ T4803] __should_failslab+0xbc/0x10c [ 71.930099][ T4803] should_failslab+0x10/0x28 [ 71.931355][ T4803] slab_pre_alloc_hook+0x64/0xec [ 71.932684][ T4803] kmem_cache_alloc+0x94/0x3e4 [ 71.934031][ T4803] __d_alloc+0x3c/0x65c [ 71.935180][ T4803] d_alloc_parallel+0x80/0x1104 [ 71.936459][ T4803] __lookup_slow+0x104/0x380 [ 71.937710][ T4803] lookup_one_len+0x178/0x28c [ 71.938975][ T4803] start_creating+0x19c/0x2e0 [ 71.940326][ T4803] debugfs_create_dir+0x30/0x3f4 [ 71.941670][ T4803] nbd_start_device+0x3c8/0xb40 [ 71.942983][ T4803] nbd_ioctl+0x514/0xc50 [ 71.944135][ T4803] blkdev_ioctl+0x5f8/0xbb8 [ 71.945371][ T4803] block_ioctl+0xa4/0x118 [ 71.946535][ T4803] __arm64_sys_ioctl+0x14c/0x1c8 [ 71.947882][ T4803] invoke_syscall+0x98/0x2b8 [ 71.949143][ T4803] el0_svc_common+0x138/0x258 [ 71.950398][ T4803] do_el0_svc+0x58/0x14c [ 71.951552][ T4803] el0_svc+0x78/0x1e0 [ 71.952613][ T4803] el0t_64_sync_handler+0xcc/0xe4 [ 71.953972][ T4803] el0t_64_sync+0x1a0/0x1a4 [ 71.955768][ T4803] block nbd0: Failed to create debugfs dir for 'nbd0' [ 71.958991][ T4802] block nbd0: shutting down sockets [ 72.042770][ T4805] FAULT_INJECTION: forcing a failure. [ 72.042770][ T4805] name failslab, interval 1, probability 0, space 0, times 0 [ 72.046259][ T4805] CPU: 0 PID: 4805 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 72.048538][ T4805] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 72.051311][ T4805] Call trace: [ 72.052127][ T4805] dump_backtrace+0x0/0x43c [ 72.053373][ T4805] show_stack+0x2c/0x3c [ 72.054483][ T4805] __dump_stack+0x30/0x40 [ 72.055622][ T4805] dump_stack_lvl+0xf8/0x160 [ 72.056896][ T4805] dump_stack+0x1c/0x5c [ 72.058036][ T4805] should_fail+0x3c0/0x51c [ 72.059368][ T4805] __should_failslab+0xbc/0x10c [ 72.060764][ T4805] should_failslab+0x10/0x28 [ 72.062016][ T4805] slab_pre_alloc_hook+0x64/0xec [ 72.063325][ T4805] kmem_cache_alloc+0x94/0x3e4 [ 72.064544][ T4805] __d_alloc+0x3c/0x65c [ 72.065665][ T4805] d_alloc_parallel+0x80/0x1104 [ 72.066897][ T4805] __lookup_slow+0x104/0x380 [ 72.068167][ T4805] lookup_one_len+0x178/0x28c [ 72.069402][ T4805] start_creating+0x19c/0x2e0 [ 72.070634][ T4805] debugfs_create_dir+0x30/0x3f4 [ 72.071951][ T4805] nbd_start_device+0x3c8/0xb40 [ 72.073182][ T4805] nbd_ioctl+0x514/0xc50 [ 72.074338][ T4805] blkdev_ioctl+0x5f8/0xbb8 [ 72.075580][ T4805] block_ioctl+0xa4/0x118 [ 72.076741][ T4805] __arm64_sys_ioctl+0x14c/0x1c8 [ 72.078057][ T4805] invoke_syscall+0x98/0x2b8 [ 72.079348][ T4805] el0_svc_common+0x138/0x258 [ 72.080569][ T4805] do_el0_svc+0x58/0x14c [ 72.081685][ T4805] el0_svc+0x78/0x1e0 [ 72.082739][ T4805] el0t_64_sync_handler+0xcc/0xe4 [ 72.084091][ T4805] el0t_64_sync+0x1a0/0x1a4 [ 72.085832][ T4805] block nbd0: Failed to create debugfs dir for 'nbd0' [ 72.093880][ T4806] block nbd0: shutting down sockets [ 72.182875][ T4808] FAULT_INJECTION: forcing a failure. [ 72.182875][ T4808] name failslab, interval 1, probability 0, space 0, times 0 [ 72.186462][ T4808] CPU: 0 PID: 4808 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 72.188759][ T4808] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 72.191505][ T4808] Call trace: [ 72.192405][ T4808] dump_backtrace+0x0/0x43c [ 72.193584][ T4808] show_stack+0x2c/0x3c [ 72.194705][ T4808] __dump_stack+0x30/0x40 [ 72.195914][ T4808] dump_stack_lvl+0xf8/0x160 [ 72.197215][ T4808] dump_stack+0x1c/0x5c [ 72.198422][ T4808] should_fail+0x3c0/0x51c [ 72.199647][ T4808] __should_failslab+0xbc/0x10c [ 72.200997][ T4808] should_failslab+0x10/0x28 [ 72.202262][ T4808] slab_pre_alloc_hook+0x64/0xec [ 72.203620][ T4808] kmem_cache_alloc+0x94/0x3e4 [ 72.204901][ T4808] __d_alloc+0x3c/0x65c [ 72.206086][ T4808] d_alloc_parallel+0x80/0x1104 [ 72.207453][ T4808] __lookup_slow+0x104/0x380 [ 72.208699][ T4808] lookup_one_len+0x178/0x28c [ 72.210026][ T4808] start_creating+0x19c/0x2e0 [ 72.211295][ T4808] debugfs_create_dir+0x30/0x3f4 [ 72.212715][ T4808] nbd_start_device+0x3c8/0xb40 [ 72.214097][ T4808] nbd_ioctl+0x514/0xc50 [ 72.215259][ T4808] blkdev_ioctl+0x5f8/0xbb8 [ 72.216480][ T4808] block_ioctl+0xa4/0x118 [ 72.217705][ T4808] __arm64_sys_ioctl+0x14c/0x1c8 [ 72.219062][ T4808] invoke_syscall+0x98/0x2b8 [ 72.220332][ T4808] el0_svc_common+0x138/0x258 [ 72.221632][ T4808] do_el0_svc+0x58/0x14c [ 72.222831][ T4808] el0_svc+0x78/0x1e0 [ 72.223885][ T4808] el0t_64_sync_handler+0xcc/0xe4 [ 72.225364][ T4808] el0t_64_sync+0x1a0/0x1a4 [ 72.226829][ T4808] block nbd0: Failed to create debugfs dir for 'nbd0' [ 72.235137][ T4809] block nbd0: shutting down sockets [ 72.342870][ T4811] FAULT_INJECTION: forcing a failure. [ 72.342870][ T4811] name failslab, interval 1, probability 0, space 0, times 0 [ 72.346554][ T4811] CPU: 1 PID: 4811 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 72.348956][ T4811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 72.351582][ T4811] Call trace: [ 72.352393][ T4811] dump_backtrace+0x0/0x43c [ 72.353663][ T4811] show_stack+0x2c/0x3c [ 72.354834][ T4811] __dump_stack+0x30/0x40 [ 72.356013][ T4811] dump_stack_lvl+0xf8/0x160 [ 72.357321][ T4811] dump_stack+0x1c/0x5c [ 72.358467][ T4811] should_fail+0x3c0/0x51c [ 72.359682][ T4811] __should_failslab+0xbc/0x10c [ 72.361045][ T4811] should_failslab+0x10/0x28 [ 72.362270][ T4811] slab_pre_alloc_hook+0x64/0xec [ 72.363634][ T4811] kmem_cache_alloc+0x94/0x3e4 [ 72.364918][ T4811] __d_alloc+0x3c/0x65c [ 72.366028][ T4811] d_alloc_parallel+0x80/0x1104 [ 72.367410][ T4811] __lookup_slow+0x104/0x380 [ 72.368669][ T4811] lookup_one_len+0x178/0x28c [ 72.369966][ T4811] start_creating+0x19c/0x2e0 [ 72.371204][ T4811] debugfs_create_dir+0x30/0x3f4 [ 72.372668][ T4811] nbd_start_device+0x3c8/0xb40 [ 72.373925][ T4811] nbd_ioctl+0x514/0xc50 [ 72.375075][ T4811] blkdev_ioctl+0x5f8/0xbb8 [ 72.376401][ T4811] block_ioctl+0xa4/0x118 [ 72.377679][ T4811] __arm64_sys_ioctl+0x14c/0x1c8 [ 72.379045][ T4811] invoke_syscall+0x98/0x2b8 [ 72.380337][ T4811] el0_svc_common+0x138/0x258 [ 72.381671][ T4811] do_el0_svc+0x58/0x14c [ 72.382797][ T4811] el0_svc+0x78/0x1e0 [ 72.383921][ T4811] el0t_64_sync_handler+0xcc/0xe4 [ 72.385314][ T4811] el0t_64_sync+0x1a0/0x1a4 [ 72.387442][ T4811] block nbd0: Failed to create debugfs dir for 'nbd0' [ 72.397979][ T4812] block nbd0: shutting down sockets 1970/01/01 00:01:12 executed programs: 45 [ 72.503608][ T4814] FAULT_INJECTION: forcing a failure. [ 72.503608][ T4814] name failslab, interval 1, probability 0, space 0, times 0 [ 72.507019][ T4814] CPU: 0 PID: 4814 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 72.509187][ T4814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 72.511849][ T4814] Call trace: [ 72.512696][ T4814] dump_backtrace+0x0/0x43c [ 72.513953][ T4814] show_stack+0x2c/0x3c [ 72.515087][ T4814] __dump_stack+0x30/0x40 [ 72.516306][ T4814] dump_stack_lvl+0xf8/0x160 [ 72.517531][ T4814] dump_stack+0x1c/0x5c [ 72.518693][ T4814] should_fail+0x3c0/0x51c [ 72.519909][ T4814] __should_failslab+0xbc/0x10c [ 72.521294][ T4814] should_failslab+0x10/0x28 [ 72.522581][ T4814] slab_pre_alloc_hook+0x64/0xec [ 72.523963][ T4814] kmem_cache_alloc+0x94/0x3e4 [ 72.525347][ T4814] __d_alloc+0x3c/0x65c [ 72.526472][ T4814] d_alloc_parallel+0x80/0x1104 [ 72.527824][ T4814] __lookup_slow+0x104/0x380 [ 72.529057][ T4814] lookup_one_len+0x178/0x28c [ 72.530344][ T4814] start_creating+0x19c/0x2e0 [ 72.531604][ T4814] debugfs_create_dir+0x30/0x3f4 [ 72.532899][ T4814] nbd_start_device+0x3c8/0xb40 [ 72.534250][ T4814] nbd_ioctl+0x514/0xc50 [ 72.535417][ T4814] blkdev_ioctl+0x5f8/0xbb8 [ 72.536660][ T4814] block_ioctl+0xa4/0x118 [ 72.537835][ T4814] __arm64_sys_ioctl+0x14c/0x1c8 [ 72.539174][ T4814] invoke_syscall+0x98/0x2b8 [ 72.540457][ T4814] el0_svc_common+0x138/0x258 [ 72.541731][ T4814] do_el0_svc+0x58/0x14c [ 72.543039][ T4814] el0_svc+0x78/0x1e0 [ 72.544157][ T4814] el0t_64_sync_handler+0xcc/0xe4 [ 72.545571][ T4814] el0t_64_sync+0x1a0/0x1a4 [ 72.548307][ T4814] block nbd0: Failed to create debugfs dir for 'nbd0' [ 72.554240][ T4815] block nbd0: shutting down sockets [ 72.682296][ T4818] FAULT_INJECTION: forcing a failure. [ 72.682296][ T4818] name failslab, interval 1, probability 0, space 0, times 0 [ 72.686014][ T4818] CPU: 0 PID: 4818 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 72.688417][ T4818] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 72.691081][ T4818] Call trace: [ 72.691958][ T4818] dump_backtrace+0x0/0x43c [ 72.693383][ T4818] show_stack+0x2c/0x3c [ 72.694579][ T4818] __dump_stack+0x30/0x40 [ 72.695833][ T4818] dump_stack_lvl+0xf8/0x160 [ 72.697314][ T4818] dump_stack+0x1c/0x5c [ 72.698428][ T4818] should_fail+0x3c0/0x51c [ 72.699670][ T4818] __should_failslab+0xbc/0x10c [ 72.700993][ T4818] should_failslab+0x10/0x28 [ 72.702404][ T4818] slab_pre_alloc_hook+0x64/0xec [ 72.703710][ T4818] kmem_cache_alloc+0x94/0x3e4 [ 72.705000][ T4818] __d_alloc+0x3c/0x65c [ 72.706277][ T4818] d_alloc_parallel+0x80/0x1104 [ 72.707564][ T4818] __lookup_slow+0x104/0x380 [ 72.708827][ T4818] lookup_one_len+0x178/0x28c [ 72.710157][ T4818] start_creating+0x19c/0x2e0 [ 72.711451][ T4818] debugfs_create_dir+0x30/0x3f4 [ 72.712853][ T4818] nbd_start_device+0x3c8/0xb40 [ 72.714211][ T4818] nbd_ioctl+0x514/0xc50 [ 72.715353][ T4818] blkdev_ioctl+0x5f8/0xbb8 [ 72.716601][ T4818] block_ioctl+0xa4/0x118 [ 72.717797][ T4818] __arm64_sys_ioctl+0x14c/0x1c8 [ 72.719114][ T4818] invoke_syscall+0x98/0x2b8 [ 72.720352][ T4818] el0_svc_common+0x138/0x258 [ 72.721638][ T4818] do_el0_svc+0x58/0x14c [ 72.722772][ T4818] el0_svc+0x78/0x1e0 [ 72.723867][ T4818] el0t_64_sync_handler+0xcc/0xe4 [ 72.725246][ T4818] el0t_64_sync+0x1a0/0x1a4 [ 72.726657][ T4818] block nbd0: Failed to create debugfs dir for 'nbd0' [ 72.729510][ T4817] block nbd0: shutting down sockets [ 72.872302][ T4821] FAULT_INJECTION: forcing a failure. [ 72.872302][ T4821] name failslab, interval 1, probability 0, space 0, times 0 [ 72.875969][ T4821] CPU: 1 PID: 4821 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 72.878302][ T4821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 72.881093][ T4821] Call trace: [ 72.881930][ T4821] dump_backtrace+0x0/0x43c [ 72.883149][ T4821] show_stack+0x2c/0x3c [ 72.884335][ T4821] __dump_stack+0x30/0x40 [ 72.885689][ T4821] dump_stack_lvl+0xf8/0x160 [ 72.886946][ T4821] dump_stack+0x1c/0x5c [ 72.888082][ T4821] should_fail+0x3c0/0x51c [ 72.889294][ T4821] __should_failslab+0xbc/0x10c [ 72.890586][ T4821] should_failslab+0x10/0x28 [ 72.891819][ T4821] slab_pre_alloc_hook+0x64/0xec [ 72.893113][ T4821] kmem_cache_alloc+0x94/0x3e4 [ 72.894405][ T4821] __d_alloc+0x3c/0x65c [ 72.895576][ T4821] d_alloc_parallel+0x80/0x1104 [ 72.896952][ T4821] __lookup_slow+0x104/0x380 [ 72.898220][ T4821] lookup_one_len+0x178/0x28c [ 72.899537][ T4821] start_creating+0x19c/0x2e0 [ 72.900852][ T4821] debugfs_create_dir+0x30/0x3f4 [ 72.902235][ T4821] nbd_start_device+0x3c8/0xb40 [ 72.903633][ T4821] nbd_ioctl+0x514/0xc50 [ 72.904773][ T4821] blkdev_ioctl+0x5f8/0xbb8 [ 72.906023][ T4821] block_ioctl+0xa4/0x118 [ 72.907181][ T4821] __arm64_sys_ioctl+0x14c/0x1c8 [ 72.908571][ T4821] invoke_syscall+0x98/0x2b8 [ 72.909848][ T4821] el0_svc_common+0x138/0x258 [ 72.911104][ T4821] do_el0_svc+0x58/0x14c [ 72.912225][ T4821] el0_svc+0x78/0x1e0 [ 72.913358][ T4821] el0t_64_sync_handler+0xcc/0xe4 [ 72.914670][ T4821] el0t_64_sync+0x1a0/0x1a4 [ 72.916078][ T4821] block nbd0: Failed to create debugfs dir for 'nbd0' [ 72.919051][ T4820] block nbd0: shutting down sockets [ 73.012920][ T4823] FAULT_INJECTION: forcing a failure. [ 73.012920][ T4823] name failslab, interval 1, probability 0, space 0, times 0 [ 73.016501][ T4823] CPU: 0 PID: 4823 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 73.018804][ T4823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 73.021540][ T4823] Call trace: [ 73.022429][ T4823] dump_backtrace+0x0/0x43c [ 73.023692][ T4823] show_stack+0x2c/0x3c [ 73.024828][ T4823] __dump_stack+0x30/0x40 [ 73.026037][ T4823] dump_stack_lvl+0xf8/0x160 [ 73.027307][ T4823] dump_stack+0x1c/0x5c [ 73.028481][ T4823] should_fail+0x3c0/0x51c [ 73.029667][ T4823] __should_failslab+0xbc/0x10c [ 73.030986][ T4823] should_failslab+0x10/0x28 [ 73.032263][ T4823] slab_pre_alloc_hook+0x64/0xec [ 73.033630][ T4823] kmem_cache_alloc+0x94/0x3e4 [ 73.034953][ T4823] radix_tree_node_alloc+0x180/0x340 [ 73.036359][ T4823] idr_get_free+0x240/0x8fc [ 73.037553][ T4823] idr_alloc_cyclic+0x154/0x468 [ 73.038909][ T4823] __kernfs_new_node+0x120/0x5d8 [ 73.040278][ T4823] kernfs_new_node+0x11c/0x240 [ 73.041576][ T4823] __kernfs_create_file+0x60/0x2d4 [ 73.042940][ T4823] sysfs_add_file_mode_ns+0x2c4/0x3a4 [ 73.044438][ T4823] sysfs_create_file_ns+0x104/0x188 [ 73.045797][ T4823] device_create_file+0xfc/0x1b0 [ 73.047201][ T4823] nbd_start_device+0x350/0xb40 [ 73.048608][ T4823] nbd_ioctl+0x514/0xc50 [ 73.049759][ T4823] blkdev_ioctl+0x5f8/0xbb8 [ 73.051015][ T4823] block_ioctl+0xa4/0x118 [ 73.052174][ T4823] __arm64_sys_ioctl+0x14c/0x1c8 [ 73.053524][ T4823] invoke_syscall+0x98/0x2b8 [ 73.054855][ T4823] el0_svc_common+0x138/0x258 [ 73.056120][ T4823] do_el0_svc+0x58/0x14c [ 73.057450][ T4823] el0_svc+0x78/0x1e0 [ 73.058543][ T4823] el0t_64_sync_handler+0xcc/0xe4 [ 73.059866][ T4823] el0t_64_sync+0x1a0/0x1a4 [ 73.065508][ T4824] block nbd0: shutting down sockets [ 73.182297][ T4827] FAULT_INJECTION: forcing a failure. [ 73.182297][ T4827] name failslab, interval 1, probability 0, space 0, times 0 [ 73.185835][ T4827] CPU: 0 PID: 4827 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 73.188183][ T4827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 73.190914][ T4827] Call trace: [ 73.191800][ T4827] dump_backtrace+0x0/0x43c [ 73.192998][ T4827] show_stack+0x2c/0x3c [ 73.194134][ T4827] __dump_stack+0x30/0x40 [ 73.195346][ T4827] dump_stack_lvl+0xf8/0x160 [ 73.196634][ T4827] dump_stack+0x1c/0x5c [ 73.197821][ T4827] should_fail+0x3c0/0x51c [ 73.199050][ T4827] __should_failslab+0xbc/0x10c [ 73.200445][ T4827] should_failslab+0x10/0x28 [ 73.201792][ T4827] slab_pre_alloc_hook+0x64/0xec [ 73.203198][ T4827] kmem_cache_alloc+0x94/0x3e4 [ 73.204589][ T4827] __d_alloc+0x3c/0x65c [ 73.205737][ T4827] d_alloc_parallel+0x80/0x1104 [ 73.207084][ T4827] __lookup_slow+0x104/0x380 [ 73.208307][ T4827] lookup_one_len+0x178/0x28c [ 73.209612][ T4827] start_creating+0x19c/0x2e0 [ 73.210952][ T4827] debugfs_create_dir+0x30/0x3f4 [ 73.212343][ T4827] nbd_start_device+0x3c8/0xb40 [ 73.213716][ T4827] nbd_ioctl+0x514/0xc50 [ 73.214978][ T4827] blkdev_ioctl+0x5f8/0xbb8 [ 73.216220][ T4827] block_ioctl+0xa4/0x118 [ 73.217523][ T4827] __arm64_sys_ioctl+0x14c/0x1c8 [ 73.218912][ T4827] invoke_syscall+0x98/0x2b8 [ 73.220152][ T4827] el0_svc_common+0x138/0x258 [ 73.221539][ T4827] do_el0_svc+0x58/0x14c [ 73.222733][ T4827] el0_svc+0x78/0x1e0 [ 73.223844][ T4827] el0t_64_sync_handler+0xcc/0xe4 [ 73.225333][ T4827] el0t_64_sync+0x1a0/0x1a4 [ 73.226902][ T4827] block nbd0: Failed to create debugfs dir for 'nbd0' [ 73.230966][ T4826] block nbd0: shutting down sockets [ 73.333337][ T4829] FAULT_INJECTION: forcing a failure. [ 73.333337][ T4829] name failslab, interval 1, probability 0, space 0, times 0 [ 73.337098][ T4829] CPU: 1 PID: 4829 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 73.339536][ T4829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 73.342330][ T4829] Call trace: [ 73.343260][ T4829] dump_backtrace+0x0/0x43c [ 73.344512][ T4829] show_stack+0x2c/0x3c [ 73.345626][ T4829] __dump_stack+0x30/0x40 [ 73.346795][ T4829] dump_stack_lvl+0xf8/0x160 [ 73.348055][ T4829] dump_stack+0x1c/0x5c [ 73.349233][ T4829] should_fail+0x3c0/0x51c [ 73.350463][ T4829] __should_failslab+0xbc/0x10c [ 73.351758][ T4829] should_failslab+0x10/0x28 [ 73.353071][ T4829] slab_pre_alloc_hook+0x64/0xec [ 73.354463][ T4829] kmem_cache_alloc+0x94/0x3e4 [ 73.355787][ T4829] radix_tree_node_alloc+0x180/0x340 [ 73.357282][ T4829] idr_get_free+0x240/0x8fc [ 73.358520][ T4829] idr_alloc_cyclic+0x154/0x468 [ 73.359847][ T4829] __kernfs_new_node+0x120/0x5d8 [ 73.361142][ T4829] kernfs_new_node+0x11c/0x240 [ 73.362354][ T4829] __kernfs_create_file+0x60/0x2d4 [ 73.363774][ T4829] sysfs_add_file_mode_ns+0x2c4/0x3a4 [ 73.365218][ T4829] sysfs_create_file_ns+0x104/0x188 [ 73.366643][ T4829] device_create_file+0xfc/0x1b0 [ 73.368039][ T4829] nbd_start_device+0x350/0xb40 [ 73.369332][ T4829] nbd_ioctl+0x514/0xc50 [ 73.370522][ T4829] blkdev_ioctl+0x5f8/0xbb8 [ 73.371790][ T4829] block_ioctl+0xa4/0x118 [ 73.372988][ T4829] __arm64_sys_ioctl+0x14c/0x1c8 [ 73.374400][ T4829] invoke_syscall+0x98/0x2b8 [ 73.375729][ T4829] el0_svc_common+0x138/0x258 [ 73.377066][ T4829] do_el0_svc+0x58/0x14c [ 73.378211][ T4829] el0_svc+0x78/0x1e0 [ 73.379352][ T4829] el0t_64_sync_handler+0xcc/0xe4 [ 73.380938][ T4829] el0t_64_sync+0x1a0/0x1a4 [ 73.389451][ T4830] block nbd0: shutting down sockets [ 73.492911][ T4832] FAULT_INJECTION: forcing a failure. [ 73.492911][ T4832] name failslab, interval 1, probability 0, space 0, times 0 [ 73.496652][ T4832] CPU: 0 PID: 4832 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 73.499003][ T4832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 73.501677][ T4832] Call trace: [ 73.502623][ T4832] dump_backtrace+0x0/0x43c [ 73.503819][ T4832] show_stack+0x2c/0x3c [ 73.504930][ T4832] __dump_stack+0x30/0x40 [ 73.506164][ T4832] dump_stack_lvl+0xf8/0x160 [ 73.507461][ T4832] dump_stack+0x1c/0x5c [ 73.508664][ T4832] should_fail+0x3c0/0x51c [ 73.509905][ T4832] __should_failslab+0xbc/0x10c [ 73.511167][ T4832] should_failslab+0x10/0x28 [ 73.512494][ T4832] slab_pre_alloc_hook+0x64/0xec [ 73.513893][ T4832] kmem_cache_alloc+0x94/0x3e4 [ 73.515223][ T4832] __d_alloc+0x3c/0x65c [ 73.516357][ T4832] d_alloc_parallel+0x80/0x1104 [ 73.517668][ T4832] __lookup_slow+0x104/0x380 [ 73.518996][ T4832] lookup_one_len+0x178/0x28c [ 73.520264][ T4832] start_creating+0x19c/0x2e0 [ 73.521518][ T4832] debugfs_create_dir+0x30/0x3f4 [ 73.522859][ T4832] nbd_start_device+0x3c8/0xb40 [ 73.524148][ T4832] nbd_ioctl+0x514/0xc50 [ 73.525444][ T4832] blkdev_ioctl+0x5f8/0xbb8 [ 73.526751][ T4832] block_ioctl+0xa4/0x118 [ 73.527999][ T4832] __arm64_sys_ioctl+0x14c/0x1c8 [ 73.529361][ T4832] invoke_syscall+0x98/0x2b8 [ 73.530692][ T4832] el0_svc_common+0x138/0x258 [ 73.532020][ T4832] do_el0_svc+0x58/0x14c [ 73.533222][ T4832] el0_svc+0x78/0x1e0 [ 73.534312][ T4832] el0t_64_sync_handler+0xcc/0xe4 [ 73.535656][ T4832] el0t_64_sync+0x1a0/0x1a4 [ 73.537036][ T4832] block nbd0: Failed to create debugfs dir for 'nbd0' [ 73.544346][ T4833] block nbd0: shutting down sockets [ 73.632755][ T4835] FAULT_INJECTION: forcing a failure. [ 73.632755][ T4835] name failslab, interval 1, probability 0, space 0, times 0 [ 73.636245][ T4835] CPU: 1 PID: 4835 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 73.638546][ T4835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 73.641233][ T4835] Call trace: [ 73.642094][ T4835] dump_backtrace+0x0/0x43c [ 73.643365][ T4835] show_stack+0x2c/0x3c [ 73.644485][ T4835] __dump_stack+0x30/0x40 [ 73.645634][ T4835] dump_stack_lvl+0xf8/0x160 [ 73.646893][ T4835] dump_stack+0x1c/0x5c [ 73.648075][ T4835] should_fail+0x3c0/0x51c [ 73.649234][ T4835] __should_failslab+0xbc/0x10c [ 73.650525][ T4835] should_failslab+0x10/0x28 [ 73.651716][ T4835] slab_pre_alloc_hook+0x64/0xec [ 73.653056][ T4835] kmem_cache_alloc+0x94/0x3e4 [ 73.654361][ T4835] __d_alloc+0x3c/0x65c [ 73.655436][ T4835] d_alloc_parallel+0x80/0x1104 [ 73.656724][ T4835] __lookup_slow+0x104/0x380 [ 73.658006][ T4835] lookup_one_len+0x178/0x28c [ 73.659263][ T4835] start_creating+0x19c/0x2e0 [ 73.660591][ T4835] debugfs_create_dir+0x30/0x3f4 [ 73.662005][ T4835] nbd_start_device+0x3c8/0xb40 [ 73.663353][ T4835] nbd_ioctl+0x514/0xc50 [ 73.664565][ T4835] blkdev_ioctl+0x5f8/0xbb8 [ 73.665777][ T4835] block_ioctl+0xa4/0x118 [ 73.666987][ T4835] __arm64_sys_ioctl+0x14c/0x1c8 [ 73.668354][ T4835] invoke_syscall+0x98/0x2b8 [ 73.669661][ T4835] el0_svc_common+0x138/0x258 [ 73.670912][ T4835] do_el0_svc+0x58/0x14c [ 73.672040][ T4835] el0_svc+0x78/0x1e0 [ 73.673116][ T4835] el0t_64_sync_handler+0xcc/0xe4 [ 73.674471][ T4835] el0t_64_sync+0x1a0/0x1a4 [ 73.676625][ T4835] block nbd0: Failed to create debugfs dir for 'nbd0' [ 73.685880][ T4836] block nbd0: shutting down sockets [ 73.812323][ T4839] FAULT_INJECTION: forcing a failure. [ 73.812323][ T4839] name failslab, interval 1, probability 0, space 0, times 0 [ 73.815979][ T4839] CPU: 1 PID: 4839 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 73.818384][ T4839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 73.821120][ T4839] Call trace: [ 73.822024][ T4839] dump_backtrace+0x0/0x43c [ 73.823271][ T4839] show_stack+0x2c/0x3c [ 73.824392][ T4839] __dump_stack+0x30/0x40 [ 73.825605][ T4839] dump_stack_lvl+0xf8/0x160 [ 73.826867][ T4839] dump_stack+0x1c/0x5c [ 73.828046][ T4839] should_fail+0x3c0/0x51c [ 73.829282][ T4839] __should_failslab+0xbc/0x10c [ 73.830665][ T4839] should_failslab+0x10/0x28 [ 73.831992][ T4839] slab_pre_alloc_hook+0x64/0xec [ 73.833346][ T4839] kmem_cache_alloc+0x94/0x3e4 [ 73.834667][ T4839] __d_alloc+0x3c/0x65c [ 73.835800][ T4839] d_alloc_parallel+0x80/0x1104 [ 73.837095][ T4839] __lookup_slow+0x104/0x380 [ 73.838365][ T4839] lookup_one_len+0x178/0x28c [ 73.839627][ T4839] start_creating+0x19c/0x2e0 [ 73.840857][ T4839] debugfs_create_dir+0x30/0x3f4 [ 73.842168][ T4839] nbd_start_device+0x3c8/0xb40 [ 73.843522][ T4839] nbd_ioctl+0x514/0xc50 [ 73.844690][ T4839] blkdev_ioctl+0x5f8/0xbb8 [ 73.845970][ T4839] block_ioctl+0xa4/0x118 [ 73.847154][ T4839] __arm64_sys_ioctl+0x14c/0x1c8 [ 73.848539][ T4839] invoke_syscall+0x98/0x2b8 [ 73.849800][ T4839] el0_svc_common+0x138/0x258 [ 73.851131][ T4839] do_el0_svc+0x58/0x14c [ 73.852280][ T4839] el0_svc+0x78/0x1e0 [ 73.853454][ T4839] el0t_64_sync_handler+0xcc/0xe4 [ 73.854794][ T4839] el0t_64_sync+0x1a0/0x1a4 [ 73.856111][ T4839] block nbd0: Failed to create debugfs dir for 'nbd0' [ 73.859310][ T4838] block nbd0: shutting down sockets [ 73.942772][ T4841] FAULT_INJECTION: forcing a failure. [ 73.942772][ T4841] name failslab, interval 1, probability 0, space 0, times 0 [ 73.946340][ T4841] CPU: 1 PID: 4841 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 73.948667][ T4841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 73.951381][ T4841] Call trace: [ 73.952317][ T4841] dump_backtrace+0x0/0x43c [ 73.953521][ T4841] show_stack+0x2c/0x3c [ 73.954655][ T4841] __dump_stack+0x30/0x40 [ 73.955873][ T4841] dump_stack_lvl+0xf8/0x160 [ 73.957152][ T4841] dump_stack+0x1c/0x5c [ 73.958524][ T4841] should_fail+0x3c0/0x51c [ 73.959854][ T4841] __should_failslab+0xbc/0x10c [ 73.961140][ T4841] should_failslab+0x10/0x28 [ 73.962434][ T4841] slab_pre_alloc_hook+0x64/0xec [ 73.963741][ T4841] kmem_cache_alloc+0x94/0x3e4 [ 73.965046][ T4841] radix_tree_node_alloc+0x180/0x340 [ 73.966549][ T4841] idr_get_free+0x240/0x8fc [ 73.967797][ T4841] idr_alloc_cyclic+0x154/0x468 [ 73.969191][ T4841] __kernfs_new_node+0x120/0x5d8 [ 73.970602][ T4841] kernfs_new_node+0x11c/0x240 [ 73.971898][ T4841] __kernfs_create_file+0x60/0x2d4 [ 73.973332][ T4841] sysfs_add_file_mode_ns+0x2c4/0x3a4 [ 73.974779][ T4841] sysfs_create_file_ns+0x104/0x188 [ 73.976200][ T4841] device_create_file+0xfc/0x1b0 [ 73.977591][ T4841] nbd_start_device+0x350/0xb40 [ 73.978908][ T4841] nbd_ioctl+0x514/0xc50 [ 73.980064][ T4841] blkdev_ioctl+0x5f8/0xbb8 [ 73.981275][ T4841] block_ioctl+0xa4/0x118 [ 73.982518][ T4841] __arm64_sys_ioctl+0x14c/0x1c8 [ 73.983835][ T4841] invoke_syscall+0x98/0x2b8 [ 73.985078][ T4841] el0_svc_common+0x138/0x258 [ 73.986308][ T4841] do_el0_svc+0x58/0x14c [ 73.987500][ T4841] el0_svc+0x78/0x1e0 [ 73.988644][ T4841] el0t_64_sync_handler+0xcc/0xe4 [ 73.990086][ T4841] el0t_64_sync+0x1a0/0x1a4 [ 73.998999][ T4842] block nbd0: shutting down sockets [ 74.112941][ T4844] FAULT_INJECTION: forcing a failure. [ 74.112941][ T4844] name failslab, interval 1, probability 0, space 0, times 0 [ 74.116437][ T4844] CPU: 0 PID: 4844 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 74.118827][ T4844] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 74.121543][ T4844] Call trace: [ 74.122467][ T4844] dump_backtrace+0x0/0x43c [ 74.123666][ T4844] show_stack+0x2c/0x3c [ 74.124763][ T4844] __dump_stack+0x30/0x40 [ 74.125904][ T4844] dump_stack_lvl+0xf8/0x160 [ 74.127074][ T4844] dump_stack+0x1c/0x5c [ 74.128170][ T4844] should_fail+0x3c0/0x51c [ 74.129362][ T4844] __should_failslab+0xbc/0x10c [ 74.130724][ T4844] should_failslab+0x10/0x28 [ 74.131954][ T4844] slab_pre_alloc_hook+0x64/0xec [ 74.133285][ T4844] kmem_cache_alloc+0x94/0x3e4 [ 74.134603][ T4844] __d_alloc+0x3c/0x65c [ 74.135780][ T4844] d_alloc_parallel+0x80/0x1104 [ 74.137118][ T4844] __lookup_slow+0x104/0x380 [ 74.138542][ T4844] lookup_one_len+0x178/0x28c [ 74.139821][ T4844] start_creating+0x19c/0x2e0 [ 74.141108][ T4844] debugfs_create_dir+0x30/0x3f4 [ 74.142417][ T4844] nbd_start_device+0x3c8/0xb40 [ 74.143746][ T4844] nbd_ioctl+0x514/0xc50 [ 74.144932][ T4844] blkdev_ioctl+0x5f8/0xbb8 [ 74.146209][ T4844] block_ioctl+0xa4/0x118 [ 74.147378][ T4844] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.148734][ T4844] invoke_syscall+0x98/0x2b8 [ 74.149990][ T4844] el0_svc_common+0x138/0x258 [ 74.151284][ T4844] do_el0_svc+0x58/0x14c [ 74.152433][ T4844] el0_svc+0x78/0x1e0 [ 74.153546][ T4844] el0t_64_sync_handler+0xcc/0xe4 [ 74.154920][ T4844] el0t_64_sync+0x1a0/0x1a4 [ 74.156469][ T4844] block nbd0: Failed to create debugfs dir for 'nbd0' [ 74.164225][ T4845] block nbd0: shutting down sockets [ 74.253591][ T4847] FAULT_INJECTION: forcing a failure. [ 74.253591][ T4847] name failslab, interval 1, probability 0, space 0, times 0 [ 74.257157][ T4847] CPU: 0 PID: 4847 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 74.259552][ T4847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 74.262331][ T4847] Call trace: [ 74.263198][ T4847] dump_backtrace+0x0/0x43c [ 74.264420][ T4847] show_stack+0x2c/0x3c [ 74.265566][ T4847] __dump_stack+0x30/0x40 [ 74.266740][ T4847] dump_stack_lvl+0xf8/0x160 [ 74.267990][ T4847] dump_stack+0x1c/0x5c [ 74.269154][ T4847] should_fail+0x3c0/0x51c [ 74.270363][ T4847] __should_failslab+0xbc/0x10c [ 74.271694][ T4847] should_failslab+0x10/0x28 [ 74.272914][ T4847] slab_pre_alloc_hook+0x64/0xec [ 74.274237][ T4847] kmem_cache_alloc+0x94/0x3e4 [ 74.275547][ T4847] __d_alloc+0x3c/0x65c [ 74.276575][ T4847] d_alloc_parallel+0x80/0x1104 [ 74.277864][ T4847] __lookup_slow+0x104/0x380 [ 74.279084][ T4847] lookup_one_len+0x178/0x28c [ 74.280409][ T4847] start_creating+0x19c/0x2e0 [ 74.281716][ T4847] debugfs_create_dir+0x30/0x3f4 [ 74.283022][ T4847] nbd_start_device+0x3c8/0xb40 [ 74.284414][ T4847] nbd_ioctl+0x514/0xc50 [ 74.285588][ T4847] blkdev_ioctl+0x5f8/0xbb8 [ 74.286799][ T4847] block_ioctl+0xa4/0x118 [ 74.288050][ T4847] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.289484][ T4847] invoke_syscall+0x98/0x2b8 [ 74.290835][ T4847] el0_svc_common+0x138/0x258 [ 74.292152][ T4847] do_el0_svc+0x58/0x14c [ 74.293379][ T4847] el0_svc+0x78/0x1e0 [ 74.294465][ T4847] el0t_64_sync_handler+0xcc/0xe4 [ 74.295926][ T4847] el0t_64_sync+0x1a0/0x1a4 [ 74.297566][ T4847] block nbd0: Failed to create debugfs dir for 'nbd0' [ 74.309007][ T4848] block nbd0: shutting down sockets [ 74.402777][ T4850] FAULT_INJECTION: forcing a failure. [ 74.402777][ T4850] name failslab, interval 1, probability 0, space 0, times 0 [ 74.406783][ T4850] CPU: 0 PID: 4850 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 74.409112][ T4850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 74.411876][ T4850] Call trace: [ 74.412800][ T4850] dump_backtrace+0x0/0x43c [ 74.414173][ T4850] show_stack+0x2c/0x3c [ 74.415342][ T4850] __dump_stack+0x30/0x40 [ 74.416528][ T4850] dump_stack_lvl+0xf8/0x160 [ 74.417834][ T4850] dump_stack+0x1c/0x5c [ 74.418981][ T4850] should_fail+0x3c0/0x51c [ 74.420281][ T4850] __should_failslab+0xbc/0x10c [ 74.421643][ T4850] should_failslab+0x10/0x28 [ 74.422941][ T4850] slab_pre_alloc_hook+0x64/0xec [ 74.424339][ T4850] kmem_cache_alloc+0x94/0x3e4 [ 74.425646][ T4850] __d_alloc+0x3c/0x65c [ 74.426812][ T4850] d_alloc_parallel+0x80/0x1104 [ 74.428218][ T4850] __lookup_slow+0x104/0x380 [ 74.429478][ T4850] lookup_one_len+0x178/0x28c [ 74.430794][ T4850] start_creating+0x19c/0x2e0 [ 74.432060][ T4850] debugfs_create_dir+0x30/0x3f4 [ 74.433421][ T4850] nbd_start_device+0x3c8/0xb40 [ 74.434736][ T4850] nbd_ioctl+0x514/0xc50 [ 74.435915][ T4850] blkdev_ioctl+0x5f8/0xbb8 [ 74.437139][ T4850] block_ioctl+0xa4/0x118 [ 74.438355][ T4850] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.439736][ T4850] invoke_syscall+0x98/0x2b8 [ 74.440993][ T4850] el0_svc_common+0x138/0x258 [ 74.442248][ T4850] do_el0_svc+0x58/0x14c [ 74.443468][ T4850] el0_svc+0x78/0x1e0 [ 74.444611][ T4850] el0t_64_sync_handler+0xcc/0xe4 [ 74.445998][ T4850] el0t_64_sync+0x1a0/0x1a4 [ 74.447340][ T4850] block nbd0: Failed to create debugfs dir for 'nbd0' [ 74.454948][ T4851] block nbd0: shutting down sockets [ 74.552773][ T4853] FAULT_INJECTION: forcing a failure. [ 74.552773][ T4853] name failslab, interval 1, probability 0, space 0, times 0 [ 74.556278][ T4853] CPU: 1 PID: 4853 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 74.558590][ T4853] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 74.561366][ T4853] Call trace: [ 74.562361][ T4853] dump_backtrace+0x0/0x43c [ 74.563721][ T4853] show_stack+0x2c/0x3c [ 74.564915][ T4853] __dump_stack+0x30/0x40 [ 74.566099][ T4853] dump_stack_lvl+0xf8/0x160 [ 74.567439][ T4853] dump_stack+0x1c/0x5c [ 74.568586][ T4853] should_fail+0x3c0/0x51c [ 74.569745][ T4853] __should_failslab+0xbc/0x10c [ 74.571006][ T4853] should_failslab+0x10/0x28 [ 74.572363][ T4853] slab_pre_alloc_hook+0x64/0xec [ 74.573720][ T4853] kmem_cache_alloc+0x94/0x3e4 [ 74.575045][ T4853] __d_alloc+0x3c/0x65c [ 74.576230][ T4853] d_alloc_parallel+0x80/0x1104 [ 74.577598][ T4853] __lookup_slow+0x104/0x380 [ 74.578834][ T4853] lookup_one_len+0x178/0x28c [ 74.580068][ T4853] start_creating+0x19c/0x2e0 [ 74.581380][ T4853] debugfs_create_dir+0x30/0x3f4 [ 74.582805][ T4853] nbd_start_device+0x3c8/0xb40 [ 74.584206][ T4853] nbd_ioctl+0x514/0xc50 [ 74.585485][ T4853] blkdev_ioctl+0x5f8/0xbb8 [ 74.586811][ T4853] block_ioctl+0xa4/0x118 [ 74.587994][ T4853] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.589383][ T4853] invoke_syscall+0x98/0x2b8 [ 74.590731][ T4853] el0_svc_common+0x138/0x258 [ 74.592008][ T4853] do_el0_svc+0x58/0x14c [ 74.593323][ T4853] el0_svc+0x78/0x1e0 [ 74.594478][ T4853] el0t_64_sync_handler+0xcc/0xe4 [ 74.595951][ T4853] el0t_64_sync+0x1a0/0x1a4 [ 74.598187][ T4853] block nbd0: Failed to create debugfs dir for 'nbd0' [ 74.604959][ T4854] block nbd0: shutting down sockets [ 74.712807][ T4856] FAULT_INJECTION: forcing a failure. [ 74.712807][ T4856] name failslab, interval 1, probability 0, space 0, times 0 [ 74.716431][ T4856] CPU: 1 PID: 4856 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 74.718895][ T4856] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 74.721652][ T4856] Call trace: [ 74.722566][ T4856] dump_backtrace+0x0/0x43c [ 74.723767][ T4856] show_stack+0x2c/0x3c [ 74.724995][ T4856] __dump_stack+0x30/0x40 [ 74.726259][ T4856] dump_stack_lvl+0xf8/0x160 [ 74.727592][ T4856] dump_stack+0x1c/0x5c [ 74.728784][ T4856] should_fail+0x3c0/0x51c [ 74.730090][ T4856] __should_failslab+0xbc/0x10c [ 74.731543][ T4856] should_failslab+0x10/0x28 [ 74.732886][ T4856] slab_pre_alloc_hook+0x64/0xec [ 74.734465][ T4856] kmem_cache_alloc+0x94/0x3e4 [ 74.735761][ T4856] radix_tree_node_alloc+0x180/0x340 [ 74.737233][ T4856] idr_get_free+0x240/0x8fc [ 74.738486][ T4856] idr_alloc_cyclic+0x154/0x468 [ 74.739832][ T4856] __kernfs_new_node+0x120/0x5d8 [ 74.741250][ T4856] kernfs_new_node+0x11c/0x240 [ 74.742553][ T4856] __kernfs_create_file+0x60/0x2d4 [ 74.743957][ T4856] sysfs_add_file_mode_ns+0x2c4/0x3a4 [ 74.745454][ T4856] sysfs_create_file_ns+0x104/0x188 [ 74.746926][ T4856] device_create_file+0xfc/0x1b0 [ 74.748392][ T4856] nbd_start_device+0x350/0xb40 [ 74.749724][ T4856] nbd_ioctl+0x514/0xc50 [ 74.750886][ T4856] blkdev_ioctl+0x5f8/0xbb8 [ 74.752170][ T4856] block_ioctl+0xa4/0x118 [ 74.753411][ T4856] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.754865][ T4856] invoke_syscall+0x98/0x2b8 [ 74.756167][ T4856] el0_svc_common+0x138/0x258 [ 74.757434][ T4856] do_el0_svc+0x58/0x14c [ 74.758665][ T4856] el0_svc+0x78/0x1e0 [ 74.759904][ T4856] el0t_64_sync_handler+0xcc/0xe4 [ 74.761384][ T4856] el0t_64_sync+0x1a0/0x1a4 [ 74.765741][ T4857] block nbd0: shutting down sockets [ 74.783955][ T21] cfg80211: failed to load regulatory.db [ 74.882677][ T4859] FAULT_INJECTION: forcing a failure. [ 74.882677][ T4859] name failslab, interval 1, probability 0, space 0, times 0 [ 74.886204][ T4859] CPU: 1 PID: 4859 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 74.888498][ T4859] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 74.891370][ T4859] Call trace: [ 74.892315][ T4859] dump_backtrace+0x0/0x43c [ 74.893644][ T4859] show_stack+0x2c/0x3c [ 74.894782][ T4859] __dump_stack+0x30/0x40 [ 74.895973][ T4859] dump_stack_lvl+0xf8/0x160 [ 74.897232][ T4859] dump_stack+0x1c/0x5c [ 74.898461][ T4859] should_fail+0x3c0/0x51c [ 74.899659][ T4859] __should_failslab+0xbc/0x10c [ 74.901017][ T4859] should_failslab+0x10/0x28 [ 74.902358][ T4859] slab_pre_alloc_hook+0x64/0xec [ 74.903733][ T4859] kmem_cache_alloc+0x94/0x3e4 [ 74.905070][ T4859] __d_alloc+0x3c/0x65c [ 74.906218][ T4859] d_alloc_parallel+0x80/0x1104 [ 74.907558][ T4859] __lookup_slow+0x104/0x380 [ 74.908822][ T4859] lookup_one_len+0x178/0x28c [ 74.910128][ T4859] start_creating+0x19c/0x2e0 [ 74.911425][ T4859] debugfs_create_dir+0x30/0x3f4 [ 74.912766][ T4859] nbd_start_device+0x3c8/0xb40 [ 74.914100][ T4859] nbd_ioctl+0x514/0xc50 [ 74.915465][ T4859] blkdev_ioctl+0x5f8/0xbb8 [ 74.916683][ T4859] block_ioctl+0xa4/0x118 [ 74.917922][ T4859] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.919302][ T4859] invoke_syscall+0x98/0x2b8 [ 74.920538][ T4859] el0_svc_common+0x138/0x258 [ 74.921852][ T4859] do_el0_svc+0x58/0x14c [ 74.923017][ T4859] el0_svc+0x78/0x1e0 [ 74.924166][ T4859] el0t_64_sync_handler+0xcc/0xe4 [ 74.925580][ T4859] el0t_64_sync+0x1a0/0x1a4 [ 74.928927][ T4859] block nbd0: Failed to create debugfs dir for 'nbd0' [ 74.941640][ T4860] block nbd0: shutting down sockets [ 75.123580][ T4863] FAULT_INJECTION: forcing a failure. [ 75.123580][ T4863] name failslab, interval 1, probability 0, space 0, times 0 [ 75.127535][ T4863] CPU: 0 PID: 4863 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 75.129879][ T4863] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 75.132728][ T4863] Call trace: [ 75.133644][ T4863] dump_backtrace+0x0/0x43c [ 75.134895][ T4863] show_stack+0x2c/0x3c [ 75.136053][ T4863] __dump_stack+0x30/0x40 [ 75.137243][ T4863] dump_stack_lvl+0xf8/0x160 [ 75.138557][ T4863] dump_stack+0x1c/0x5c [ 75.139724][ T4863] should_fail+0x3c0/0x51c [ 75.140910][ T4863] __should_failslab+0xbc/0x10c [ 75.142287][ T4863] should_failslab+0x10/0x28 [ 75.143610][ T4863] slab_pre_alloc_hook+0x64/0xec [ 75.144990][ T4863] kmem_cache_alloc+0x94/0x3e4 [ 75.146292][ T4863] __d_alloc+0x3c/0x65c [ 75.147488][ T4863] d_alloc_parallel+0x80/0x1104 [ 75.148821][ T4863] __lookup_slow+0x104/0x380 [ 75.150035][ T4863] lookup_one_len+0x178/0x28c [ 75.151350][ T4863] start_creating+0x19c/0x2e0 [ 75.152653][ T4863] debugfs_create_dir+0x30/0x3f4 [ 75.154004][ T4863] nbd_start_device+0x3c8/0xb40 [ 75.155352][ T4863] nbd_ioctl+0x514/0xc50 [ 75.156556][ T4863] blkdev_ioctl+0x5f8/0xbb8 [ 75.157838][ T4863] block_ioctl+0xa4/0x118 [ 75.159070][ T4863] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.160372][ T4863] invoke_syscall+0x98/0x2b8 [ 75.161677][ T4863] el0_svc_common+0x138/0x258 [ 75.162964][ T4863] do_el0_svc+0x58/0x14c [ 75.164110][ T4863] el0_svc+0x78/0x1e0 [ 75.165246][ T4863] el0t_64_sync_handler+0xcc/0xe4 [ 75.166659][ T4863] el0t_64_sync+0x1a0/0x1a4 [ 75.170494][ T4863] block nbd0: Failed to create debugfs dir for 'nbd0' [ 75.181584][ T4862] block nbd0: shutting down sockets [ 75.323861][ T4866] FAULT_INJECTION: forcing a failure. [ 75.323861][ T4866] name failslab, interval 1, probability 0, space 0, times 0 [ 75.327531][ T4866] CPU: 1 PID: 4866 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 75.329840][ T4866] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 75.332725][ T4866] Call trace: [ 75.333634][ T4866] dump_backtrace+0x0/0x43c [ 75.334945][ T4866] show_stack+0x2c/0x3c [ 75.336101][ T4866] __dump_stack+0x30/0x40 [ 75.337297][ T4866] dump_stack_lvl+0xf8/0x160 [ 75.338635][ T4866] dump_stack+0x1c/0x5c [ 75.339804][ T4866] should_fail+0x3c0/0x51c [ 75.341040][ T4866] __should_failslab+0xbc/0x10c [ 75.342537][ T4866] should_failslab+0x10/0x28 [ 75.343861][ T4866] slab_pre_alloc_hook+0x64/0xec [ 75.345317][ T4866] kmem_cache_alloc+0x94/0x3e4 [ 75.346690][ T4866] __d_alloc+0x3c/0x65c [ 75.347883][ T4866] d_alloc_parallel+0x80/0x1104 [ 75.349230][ T4866] __lookup_slow+0x104/0x380 [ 75.350513][ T4866] lookup_one_len+0x178/0x28c [ 75.351739][ T4866] start_creating+0x19c/0x2e0 [ 75.353009][ T4866] debugfs_create_dir+0x30/0x3f4 [ 75.354335][ T4866] nbd_start_device+0x3c8/0xb40 [ 75.355746][ T4866] nbd_ioctl+0x514/0xc50 [ 75.356843][ T4866] blkdev_ioctl+0x5f8/0xbb8 [ 75.358083][ T4866] block_ioctl+0xa4/0x118 [ 75.359265][ T4866] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.360685][ T4866] invoke_syscall+0x98/0x2b8 [ 75.361943][ T4866] el0_svc_common+0x138/0x258 [ 75.363227][ T4866] do_el0_svc+0x58/0x14c [ 75.364418][ T4866] el0_svc+0x78/0x1e0 [ 75.365516][ T4866] el0t_64_sync_handler+0xcc/0xe4 [ 75.366884][ T4866] el0t_64_sync+0x1a0/0x1a4 [ 75.369447][ T4866] block nbd0: Failed to create debugfs dir for 'nbd0' [ 75.375274][ T4867] block nbd0: shutting down sockets [ 75.482790][ T4869] FAULT_INJECTION: forcing a failure. [ 75.482790][ T4869] name failslab, interval 1, probability 0, space 0, times 0 [ 75.486520][ T4869] CPU: 1 PID: 4869 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 75.488980][ T4869] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 75.491767][ T4869] Call trace: [ 75.492621][ T4869] dump_backtrace+0x0/0x43c [ 75.493830][ T4869] show_stack+0x2c/0x3c [ 75.494983][ T4869] __dump_stack+0x30/0x40 [ 75.496188][ T4869] dump_stack_lvl+0xf8/0x160 [ 75.497493][ T4869] dump_stack+0x1c/0x5c [ 75.498654][ T4869] should_fail+0x3c0/0x51c [ 75.499858][ T4869] __should_failslab+0xbc/0x10c [ 75.501198][ T4869] should_failslab+0x10/0x28 [ 75.502446][ T4869] slab_pre_alloc_hook+0x64/0xec [ 75.503850][ T4869] kmem_cache_alloc+0x94/0x3e4 [ 75.505118][ T4869] __d_alloc+0x3c/0x65c [ 75.506233][ T4869] d_alloc_parallel+0x80/0x1104 [ 75.507646][ T4869] __lookup_slow+0x104/0x380 [ 75.508959][ T4869] lookup_one_len+0x178/0x28c [ 75.510321][ T4869] start_creating+0x19c/0x2e0 [ 75.511656][ T4869] debugfs_create_dir+0x30/0x3f4 [ 75.513014][ T4869] nbd_start_device+0x3c8/0xb40 [ 75.514370][ T4869] nbd_ioctl+0x514/0xc50 [ 75.515569][ T4869] blkdev_ioctl+0x5f8/0xbb8 [ 75.516835][ T4869] block_ioctl+0xa4/0x118 [ 75.518042][ T4869] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.519361][ T4869] invoke_syscall+0x98/0x2b8 [ 75.520618][ T4869] el0_svc_common+0x138/0x258 [ 75.521951][ T4869] do_el0_svc+0x58/0x14c [ 75.523147][ T4869] el0_svc+0x78/0x1e0 [ 75.524204][ T4869] el0t_64_sync_handler+0xcc/0xe4 [ 75.525527][ T4869] el0t_64_sync+0x1a0/0x1a4 [ 75.530049][ T4869] block nbd0: Failed to create debugfs dir for 'nbd0' [ 75.539015][ T4870] block nbd0: shutting down sockets [ 75.653966][ T4872] FAULT_INJECTION: forcing a failure. [ 75.653966][ T4872] name failslab, interval 1, probability 0, space 0, times 0 [ 75.657530][ T4872] CPU: 0 PID: 4872 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 75.659980][ T4872] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 75.662710][ T4872] Call trace: [ 75.663678][ T4872] dump_backtrace+0x0/0x43c [ 75.664921][ T4872] show_stack+0x2c/0x3c [ 75.666063][ T4872] __dump_stack+0x30/0x40 [ 75.667229][ T4872] dump_stack_lvl+0xf8/0x160 [ 75.668496][ T4872] dump_stack+0x1c/0x5c [ 75.669639][ T4872] should_fail+0x3c0/0x51c [ 75.670957][ T4872] __should_failslab+0xbc/0x10c [ 75.672312][ T4872] should_failslab+0x10/0x28 [ 75.673530][ T4872] slab_pre_alloc_hook+0x64/0xec [ 75.674921][ T4872] kmem_cache_alloc+0x94/0x3e4 [ 75.676290][ T4872] __d_alloc+0x3c/0x65c [ 75.677444][ T4872] d_alloc_parallel+0x80/0x1104 [ 75.678794][ T4872] __lookup_slow+0x104/0x380 [ 75.680058][ T4872] lookup_one_len+0x178/0x28c [ 75.681417][ T4872] start_creating+0x19c/0x2e0 [ 75.682722][ T4872] debugfs_create_dir+0x30/0x3f4 [ 75.684148][ T4872] nbd_start_device+0x3c8/0xb40 [ 75.685564][ T4872] nbd_ioctl+0x514/0xc50 [ 75.686690][ T4872] blkdev_ioctl+0x5f8/0xbb8 [ 75.687966][ T4872] block_ioctl+0xa4/0x118 [ 75.689199][ T4872] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.690584][ T4872] invoke_syscall+0x98/0x2b8 [ 75.691821][ T4872] el0_svc_common+0x138/0x258 [ 75.693117][ T4872] do_el0_svc+0x58/0x14c [ 75.694333][ T4872] el0_svc+0x78/0x1e0 [ 75.695506][ T4872] el0t_64_sync_handler+0xcc/0xe4 [ 75.696896][ T4872] el0t_64_sync+0x1a0/0x1a4 [ 75.698381][ T4872] block nbd0: Failed to create debugfs dir for 'nbd0' [ 75.708975][ T4873] block nbd0: shutting down sockets [ 75.802870][ T4875] FAULT_INJECTION: forcing a failure. [ 75.802870][ T4875] name failslab, interval 1, probability 0, space 0, times 0 [ 75.806488][ T4875] CPU: 0 PID: 4875 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 75.808806][ T4875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 75.811576][ T4875] Call trace: [ 75.812478][ T4875] dump_backtrace+0x0/0x43c [ 75.813765][ T4875] show_stack+0x2c/0x3c [ 75.814903][ T4875] __dump_stack+0x30/0x40 [ 75.816070][ T4875] dump_stack_lvl+0xf8/0x160 [ 75.817483][ T4875] dump_stack+0x1c/0x5c [ 75.818670][ T4875] should_fail+0x3c0/0x51c [ 75.819872][ T4875] __should_failslab+0xbc/0x10c [ 75.821197][ T4875] should_failslab+0x10/0x28 [ 75.822565][ T4875] slab_pre_alloc_hook+0x64/0xec [ 75.823913][ T4875] kmem_cache_alloc+0x94/0x3e4 [ 75.825216][ T4875] __d_alloc+0x3c/0x65c [ 75.826404][ T4875] d_alloc_parallel+0x80/0x1104 [ 75.827751][ T4875] __lookup_slow+0x104/0x380 [ 75.828983][ T4875] lookup_one_len+0x178/0x28c [ 75.830278][ T4875] start_creating+0x19c/0x2e0 [ 75.831552][ T4875] debugfs_create_dir+0x30/0x3f4 [ 75.832895][ T4875] nbd_start_device+0x3c8/0xb40 [ 75.834212][ T4875] nbd_ioctl+0x514/0xc50 [ 75.835472][ T4875] blkdev_ioctl+0x5f8/0xbb8 [ 75.836751][ T4875] block_ioctl+0xa4/0x118 [ 75.837928][ T4875] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.839244][ T4875] invoke_syscall+0x98/0x2b8 [ 75.840480][ T4875] el0_svc_common+0x138/0x258 [ 75.841737][ T4875] do_el0_svc+0x58/0x14c [ 75.842895][ T4875] el0_svc+0x78/0x1e0 [ 75.843992][ T4875] el0t_64_sync_handler+0xcc/0xe4 [ 75.845310][ T4875] el0t_64_sync+0x1a0/0x1a4 [ 75.847066][ T4875] block nbd0: Failed to create debugfs dir for 'nbd0' [ 75.854801][ T4876] block nbd0: shutting down sockets [ 75.952855][ T4878] FAULT_INJECTION: forcing a failure. [ 75.952855][ T4878] name failslab, interval 1, probability 0, space 0, times 0 [ 75.956573][ T4878] CPU: 0 PID: 4878 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 75.959004][ T4878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 75.961805][ T4878] Call trace: [ 75.962730][ T4878] dump_backtrace+0x0/0x43c [ 75.963970][ T4878] show_stack+0x2c/0x3c [ 75.965150][ T4878] __dump_stack+0x30/0x40 [ 75.966392][ T4878] dump_stack_lvl+0xf8/0x160 [ 75.967667][ T4878] dump_stack+0x1c/0x5c [ 75.968798][ T4878] should_fail+0x3c0/0x51c [ 75.970021][ T4878] __should_failslab+0xbc/0x10c [ 75.971371][ T4878] should_failslab+0x10/0x28 [ 75.972680][ T4878] slab_pre_alloc_hook+0x64/0xec [ 75.974044][ T4878] kmem_cache_alloc+0x94/0x3e4 [ 75.975374][ T4878] __d_alloc+0x3c/0x65c [ 75.976543][ T4878] d_alloc_parallel+0x80/0x1104 [ 75.977866][ T4878] __lookup_slow+0x104/0x380 [ 75.979177][ T4878] lookup_one_len+0x178/0x28c [ 75.980483][ T4878] start_creating+0x19c/0x2e0 [ 75.981790][ T4878] debugfs_create_dir+0x30/0x3f4 [ 75.983124][ T4878] nbd_start_device+0x3c8/0xb40 [ 75.984493][ T4878] nbd_ioctl+0x514/0xc50 [ 75.985606][ T4878] blkdev_ioctl+0x5f8/0xbb8 [ 75.986872][ T4878] block_ioctl+0xa4/0x118 [ 75.988052][ T4878] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.989506][ T4878] invoke_syscall+0x98/0x2b8 [ 75.990816][ T4878] el0_svc_common+0x138/0x258 [ 75.992197][ T4878] do_el0_svc+0x58/0x14c [ 75.993386][ T4878] el0_svc+0x78/0x1e0 [ 75.994441][ T4878] el0t_64_sync_handler+0xcc/0xe4 [ 75.995862][ T4878] el0t_64_sync+0x1a0/0x1a4 [ 75.998527][ T4878] block nbd0: Failed to create debugfs dir for 'nbd0' [ 76.009898][ T4879] block nbd0: shutting down sockets [ 76.122775][ T4881] FAULT_INJECTION: forcing a failure. [ 76.122775][ T4881] name failslab, interval 1, probability 0, space 0, times 0 [ 76.126403][ T4881] CPU: 0 PID: 4881 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 76.128886][ T4881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 76.131665][ T4881] Call trace: [ 76.132617][ T4881] dump_backtrace+0x0/0x43c [ 76.133877][ T4881] show_stack+0x2c/0x3c [ 76.135040][ T4881] __dump_stack+0x30/0x40 [ 76.136202][ T4881] dump_stack_lvl+0xf8/0x160 [ 76.137469][ T4881] dump_stack+0x1c/0x5c [ 76.138653][ T4881] should_fail+0x3c0/0x51c [ 76.139912][ T4881] __should_failslab+0xbc/0x10c [ 76.141328][ T4881] should_failslab+0x10/0x28 [ 76.142570][ T4881] slab_pre_alloc_hook+0x64/0xec [ 76.143983][ T4881] kmem_cache_alloc+0x94/0x3e4 [ 76.145363][ T4881] radix_tree_node_alloc+0x180/0x340 [ 76.146835][ T4881] idr_get_free+0x240/0x8fc [ 76.148108][ T4881] idr_alloc_cyclic+0x154/0x468 [ 76.149490][ T4881] __kernfs_new_node+0x120/0x5d8 [ 76.150873][ T4881] kernfs_new_node+0x11c/0x240 [ 76.152158][ T4881] __kernfs_create_file+0x60/0x2d4 [ 76.153582][ T4881] sysfs_add_file_mode_ns+0x2c4/0x3a4 [ 76.155087][ T4881] sysfs_create_file_ns+0x104/0x188 [ 76.156534][ T4881] device_create_file+0xfc/0x1b0 [ 76.157853][ T4881] nbd_start_device+0x350/0xb40 [ 76.159192][ T4881] nbd_ioctl+0x514/0xc50 [ 76.160380][ T4881] blkdev_ioctl+0x5f8/0xbb8 [ 76.161614][ T4881] block_ioctl+0xa4/0x118 [ 76.162782][ T4881] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.164159][ T4881] invoke_syscall+0x98/0x2b8 [ 76.165477][ T4881] el0_svc_common+0x138/0x258 [ 76.166800][ T4881] do_el0_svc+0x58/0x14c [ 76.167951][ T4881] el0_svc+0x78/0x1e0 [ 76.168993][ T4881] el0t_64_sync_handler+0xcc/0xe4 [ 76.170364][ T4881] el0t_64_sync+0x1a0/0x1a4 [ 76.175611][ T4882] block nbd0: shutting down sockets [ 76.293393][ T4884] FAULT_INJECTION: forcing a failure. [ 76.293393][ T4884] name failslab, interval 1, probability 0, space 0, times 0 [ 76.296978][ T4884] CPU: 1 PID: 4884 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 76.299365][ T4884] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 76.302045][ T4884] Call trace: [ 76.302954][ T4884] dump_backtrace+0x0/0x43c [ 76.304182][ T4884] show_stack+0x2c/0x3c [ 76.305298][ T4884] __dump_stack+0x30/0x40 [ 76.306514][ T4884] dump_stack_lvl+0xf8/0x160 [ 76.307824][ T4884] dump_stack+0x1c/0x5c [ 76.309015][ T4884] should_fail+0x3c0/0x51c [ 76.310222][ T4884] __should_failslab+0xbc/0x10c [ 76.311605][ T4884] should_failslab+0x10/0x28 [ 76.312860][ T4884] slab_pre_alloc_hook+0x64/0xec [ 76.314176][ T4884] kmem_cache_alloc+0x94/0x3e4 [ 76.315442][ T4884] __d_alloc+0x3c/0x65c [ 76.316580][ T4884] d_alloc_parallel+0x80/0x1104 [ 76.317886][ T4884] __lookup_slow+0x104/0x380 [ 76.319102][ T4884] lookup_one_len+0x178/0x28c [ 76.320501][ T4884] start_creating+0x19c/0x2e0 [ 76.321812][ T4884] debugfs_create_dir+0x30/0x3f4 [ 76.323148][ T4884] nbd_start_device+0x3c8/0xb40 [ 76.324504][ T4884] nbd_ioctl+0x514/0xc50 [ 76.325626][ T4884] blkdev_ioctl+0x5f8/0xbb8 [ 76.326863][ T4884] block_ioctl+0xa4/0x118 [ 76.328093][ T4884] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.329482][ T4884] invoke_syscall+0x98/0x2b8 [ 76.330738][ T4884] el0_svc_common+0x138/0x258 [ 76.331984][ T4884] do_el0_svc+0x58/0x14c [ 76.333117][ T4884] el0_svc+0x78/0x1e0 [ 76.334161][ T4884] el0t_64_sync_handler+0xcc/0xe4 [ 76.335556][ T4884] el0t_64_sync+0x1a0/0x1a4 [ 76.336980][ T4884] block nbd0: Failed to create debugfs dir for 'nbd0' [ 76.343782][ T4885] block nbd0: shutting down sockets [ 76.473435][ T4887] FAULT_INJECTION: forcing a failure. [ 76.473435][ T4887] name failslab, interval 1, probability 0, space 0, times 0 [ 76.476912][ T4887] CPU: 1 PID: 4887 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 76.479218][ T4887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 76.481928][ T4887] Call trace: [ 76.482805][ T4887] dump_backtrace+0x0/0x43c [ 76.484006][ T4887] show_stack+0x2c/0x3c [ 76.485157][ T4887] __dump_stack+0x30/0x40 [ 76.486384][ T4887] dump_stack_lvl+0xf8/0x160 [ 76.487674][ T4887] dump_stack+0x1c/0x5c [ 76.488780][ T4887] should_fail+0x3c0/0x51c [ 76.489968][ T4887] __should_failslab+0xbc/0x10c [ 76.491315][ T4887] should_failslab+0x10/0x28 [ 76.492589][ T4887] slab_pre_alloc_hook+0x64/0xec [ 76.493903][ T4887] kmem_cache_alloc+0x94/0x3e4 [ 76.495257][ T4887] radix_tree_node_alloc+0x180/0x340 [ 76.496721][ T4887] idr_get_free+0x240/0x8fc [ 76.497977][ T4887] idr_alloc_cyclic+0x154/0x468 [ 76.499418][ T4887] __kernfs_new_node+0x120/0x5d8 [ 76.500796][ T4887] kernfs_new_node+0x11c/0x240 [ 76.502124][ T4887] __kernfs_create_file+0x60/0x2d4 [ 76.503580][ T4887] sysfs_add_file_mode_ns+0x2c4/0x3a4 [ 76.505071][ T4887] sysfs_create_file_ns+0x104/0x188 [ 76.506514][ T4887] device_create_file+0xfc/0x1b0 [ 76.507850][ T4887] nbd_start_device+0x350/0xb40 [ 76.509195][ T4887] nbd_ioctl+0x514/0xc50 [ 76.510355][ T4887] blkdev_ioctl+0x5f8/0xbb8 [ 76.511597][ T4887] block_ioctl+0xa4/0x118 [ 76.512771][ T4887] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.514118][ T4887] invoke_syscall+0x98/0x2b8 [ 76.515357][ T4887] el0_svc_common+0x138/0x258 [ 76.516662][ T4887] do_el0_svc+0x58/0x14c [ 76.518035][ T4887] el0_svc+0x78/0x1e0 [ 76.519126][ T4887] el0t_64_sync_handler+0xcc/0xe4 [ 76.520503][ T4887] el0t_64_sync+0x1a0/0x1a4 [ 76.525448][ T4888] block nbd0: shutting down sockets [ 76.642236][ T4891] FAULT_INJECTION: forcing a failure. [ 76.642236][ T4891] name failslab, interval 1, probability 0, space 0, times 0 [ 76.645835][ T4891] CPU: 1 PID: 4891 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 76.648128][ T4891] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 76.650743][ T4891] Call trace: [ 76.651624][ T4891] dump_backtrace+0x0/0x43c [ 76.652828][ T4891] show_stack+0x2c/0x3c [ 76.653956][ T4891] __dump_stack+0x30/0x40 [ 76.655183][ T4891] dump_stack_lvl+0xf8/0x160 [ 76.656497][ T4891] dump_stack+0x1c/0x5c [ 76.657657][ T4891] should_fail+0x3c0/0x51c [ 76.658901][ T4891] __should_failslab+0xbc/0x10c [ 76.660241][ T4891] should_failslab+0x10/0x28 [ 76.661704][ T4891] slab_pre_alloc_hook+0x64/0xec [ 76.663087][ T4891] kmem_cache_alloc+0x94/0x3e4 [ 76.664376][ T4891] __d_alloc+0x3c/0x65c [ 76.665527][ T4891] d_alloc_parallel+0x80/0x1104 [ 76.666843][ T4891] __lookup_slow+0x104/0x380 [ 76.668104][ T4891] lookup_one_len+0x178/0x28c [ 76.669445][ T4891] start_creating+0x19c/0x2e0 [ 76.670772][ T4891] debugfs_create_dir+0x30/0x3f4 [ 76.672116][ T4891] nbd_start_device+0x3c8/0xb40 [ 76.673426][ T4891] nbd_ioctl+0x514/0xc50 [ 76.674607][ T4891] blkdev_ioctl+0x5f8/0xbb8 [ 76.675930][ T4891] block_ioctl+0xa4/0x118 [ 76.677102][ T4891] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.678465][ T4891] invoke_syscall+0x98/0x2b8 [ 76.679720][ T4891] el0_svc_common+0x138/0x258 [ 76.681056][ T4891] do_el0_svc+0x58/0x14c [ 76.682223][ T4891] el0_svc+0x78/0x1e0 [ 76.683309][ T4891] el0t_64_sync_handler+0xcc/0xe4 [ 76.684731][ T4891] el0t_64_sync+0x1a0/0x1a4 [ 76.686098][ T4891] block nbd0: Failed to create debugfs dir for 'nbd0' [ 76.690126][ T4890] block nbd0: shutting down sockets [ 76.822287][ T4894] FAULT_INJECTION: forcing a failure. [ 76.822287][ T4894] name failslab, interval 1, probability 0, space 0, times 0 [ 76.825668][ T4894] CPU: 1 PID: 4894 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 76.827900][ T4894] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 76.830631][ T4894] Call trace: [ 76.831526][ T4894] dump_backtrace+0x0/0x43c [ 76.832717][ T4894] show_stack+0x2c/0x3c [ 76.833819][ T4894] __dump_stack+0x30/0x40 [ 76.834981][ T4894] dump_stack_lvl+0xf8/0x160 [ 76.836258][ T4894] dump_stack+0x1c/0x5c [ 76.837428][ T4894] should_fail+0x3c0/0x51c [ 76.838615][ T4894] __should_failslab+0xbc/0x10c [ 76.839977][ T4894] should_failslab+0x10/0x28 [ 76.841240][ T4894] slab_pre_alloc_hook+0x64/0xec [ 76.842553][ T4894] kmem_cache_alloc+0x94/0x3e4 [ 76.843891][ T4894] __d_alloc+0x3c/0x65c [ 76.845029][ T4894] d_alloc_parallel+0x80/0x1104 [ 76.846395][ T4894] __lookup_slow+0x104/0x380 [ 76.847658][ T4894] lookup_one_len+0x178/0x28c [ 76.848943][ T4894] start_creating+0x19c/0x2e0 [ 76.850174][ T4894] debugfs_create_dir+0x30/0x3f4 [ 76.851706][ T4894] nbd_start_device+0x3c8/0xb40 [ 76.853075][ T4894] nbd_ioctl+0x514/0xc50 [ 76.854214][ T4894] blkdev_ioctl+0x5f8/0xbb8 [ 76.855469][ T4894] block_ioctl+0xa4/0x118 [ 76.856700][ T4894] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.858101][ T4894] invoke_syscall+0x98/0x2b8 [ 76.859408][ T4894] el0_svc_common+0x138/0x258 [ 76.860745][ T4894] do_el0_svc+0x58/0x14c [ 76.861927][ T4894] el0_svc+0x78/0x1e0 [ 76.863075][ T4894] el0t_64_sync_handler+0xcc/0xe4 [ 76.864522][ T4894] el0t_64_sync+0x1a0/0x1a4 [ 76.866045][ T4894] block nbd0: Failed to create debugfs dir for 'nbd0' [ 76.869017][ T4893] block nbd0: shutting down sockets [ 76.972797][ T4896] FAULT_INJECTION: forcing a failure. [ 76.972797][ T4896] name failslab, interval 1, probability 0, space 0, times 0 [ 76.976438][ T4896] CPU: 1 PID: 4896 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 76.978700][ T4896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 76.981594][ T4896] Call trace: [ 76.982526][ T4896] dump_backtrace+0x0/0x43c [ 76.983796][ T4896] show_stack+0x2c/0x3c [ 76.984968][ T4896] __dump_stack+0x30/0x40 [ 76.986210][ T4896] dump_stack_lvl+0xf8/0x160 [ 76.987506][ T4896] dump_stack+0x1c/0x5c [ 76.988637][ T4896] should_fail+0x3c0/0x51c [ 76.989852][ T4896] __should_failslab+0xbc/0x10c [ 76.991298][ T4896] should_failslab+0x10/0x28 [ 76.992675][ T4896] slab_pre_alloc_hook+0x64/0xec [ 76.994025][ T4896] kmem_cache_alloc+0x94/0x3e4 [ 76.995331][ T4896] __d_alloc+0x3c/0x65c [ 76.996521][ T4896] d_alloc_parallel+0x80/0x1104 [ 76.997881][ T4896] __lookup_slow+0x104/0x380 [ 76.999162][ T4896] lookup_one_len+0x178/0x28c [ 77.000468][ T4896] start_creating+0x19c/0x2e0 [ 77.001761][ T4896] debugfs_create_dir+0x30/0x3f4 [ 77.003143][ T4896] nbd_start_device+0x3c8/0xb40 [ 77.004525][ T4896] nbd_ioctl+0x514/0xc50 [ 77.005676][ T4896] blkdev_ioctl+0x5f8/0xbb8 [ 77.006873][ T4896] block_ioctl+0xa4/0x118 [ 77.008082][ T4896] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.009494][ T4896] invoke_syscall+0x98/0x2b8 [ 77.010857][ T4896] el0_svc_common+0x138/0x258 [ 77.012267][ T4896] do_el0_svc+0x58/0x14c [ 77.013436][ T4896] el0_svc+0x78/0x1e0 [ 77.014530][ T4896] el0t_64_sync_handler+0xcc/0xe4 [ 77.015905][ T4896] el0t_64_sync+0x1a0/0x1a4 [ 77.017448][ T4896] block nbd0: Failed to create debugfs dir for 'nbd0' [ 77.024755][ T4897] block nbd0: shutting down sockets [ 77.122897][ T4899] FAULT_INJECTION: forcing a failure. [ 77.122897][ T4899] name failslab, interval 1, probability 0, space 0, times 0 [ 77.126523][ T4899] CPU: 0 PID: 4899 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 77.128843][ T4899] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 77.131718][ T4899] Call trace: [ 77.132600][ T4899] dump_backtrace+0x0/0x43c [ 77.133840][ T4899] show_stack+0x2c/0x3c [ 77.134971][ T4899] __dump_stack+0x30/0x40 [ 77.136202][ T4899] dump_stack_lvl+0xf8/0x160 [ 77.137516][ T4899] dump_stack+0x1c/0x5c [ 77.138694][ T4899] should_fail+0x3c0/0x51c [ 77.139884][ T4899] __should_failslab+0xbc/0x10c [ 77.141269][ T4899] should_failslab+0x10/0x28 [ 77.142555][ T4899] slab_pre_alloc_hook+0x64/0xec [ 77.143911][ T4899] kmem_cache_alloc+0x94/0x3e4 [ 77.145222][ T4899] __d_alloc+0x3c/0x65c [ 77.146385][ T4899] d_alloc_parallel+0x80/0x1104 [ 77.147768][ T4899] __lookup_slow+0x104/0x380 [ 77.149043][ T4899] lookup_one_len+0x178/0x28c [ 77.150408][ T4899] start_creating+0x19c/0x2e0 [ 77.151734][ T4899] debugfs_create_dir+0x30/0x3f4 [ 77.153046][ T4899] nbd_start_device+0x3c8/0xb40 [ 77.154387][ T4899] nbd_ioctl+0x514/0xc50 [ 77.155584][ T4899] blkdev_ioctl+0x5f8/0xbb8 [ 77.156798][ T4899] block_ioctl+0xa4/0x118 [ 77.158015][ T4899] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.159441][ T4899] invoke_syscall+0x98/0x2b8 [ 77.160719][ T4899] el0_svc_common+0x138/0x258 [ 77.161984][ T4899] do_el0_svc+0x58/0x14c [ 77.163128][ T4899] el0_svc+0x78/0x1e0 [ 77.164243][ T4899] el0t_64_sync_handler+0xcc/0xe4 [ 77.165729][ T4899] el0t_64_sync+0x1a0/0x1a4 [ 77.167135][ T4899] block nbd0: Failed to create debugfs dir for 'nbd0' [ 77.179418][ T4900] block nbd0: shutting down sockets [ 77.273169][ T4902] FAULT_INJECTION: forcing a failure. [ 77.273169][ T4902] name failslab, interval 1, probability 0, space 0, times 0 [ 77.277050][ T4902] CPU: 1 PID: 4902 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 77.279440][ T4902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 77.282151][ T4902] Call trace: [ 77.283083][ T4902] dump_backtrace+0x0/0x43c [ 77.284276][ T4902] show_stack+0x2c/0x3c [ 77.285415][ T4902] __dump_stack+0x30/0x40 [ 77.286608][ T4902] dump_stack_lvl+0xf8/0x160 [ 77.287877][ T4902] dump_stack+0x1c/0x5c [ 77.288946][ T4902] should_fail+0x3c0/0x51c [ 77.290172][ T4902] __should_failslab+0xbc/0x10c [ 77.291582][ T4902] should_failslab+0x10/0x28 [ 77.292814][ T4902] slab_pre_alloc_hook+0x64/0xec [ 77.294160][ T4902] kmem_cache_alloc+0x94/0x3e4 [ 77.295657][ T4902] __d_alloc+0x3c/0x65c [ 77.296843][ T4902] d_alloc_parallel+0x80/0x1104 [ 77.298201][ T4902] __lookup_slow+0x104/0x380 [ 77.299421][ T4902] lookup_one_len+0x178/0x28c [ 77.300849][ T4902] start_creating+0x19c/0x2e0 [ 77.302155][ T4902] debugfs_create_dir+0x30/0x3f4 [ 77.303523][ T4902] nbd_start_device+0x3c8/0xb40 [ 77.304858][ T4902] nbd_ioctl+0x514/0xc50 [ 77.306079][ T4902] blkdev_ioctl+0x5f8/0xbb8 [ 77.307364][ T4902] block_ioctl+0xa4/0x118 [ 77.308557][ T4902] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.309876][ T4902] invoke_syscall+0x98/0x2b8 [ 77.311141][ T4902] el0_svc_common+0x138/0x258 [ 77.312436][ T4902] do_el0_svc+0x58/0x14c [ 77.313608][ T4902] el0_svc+0x78/0x1e0 [ 77.314695][ T4902] el0t_64_sync_handler+0xcc/0xe4 [ 77.316055][ T4902] el0t_64_sync+0x1a0/0x1a4 [ 77.318176][ T4902] block nbd0: Failed to create debugfs dir for 'nbd0' [ 77.327238][ T4903] block nbd0: shutting down sockets [ 77.452165][ T4906] block nbd0: Device being setup by another task [ 77.497545][ T4905] FAULT_INJECTION: forcing a failure. [ 77.497545][ T4905] name failslab, interval 1, probability 0, space 0, times 0 [ 77.501436][ T4905] CPU: 1 PID: 4905 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 77.503827][ T4905] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 77.506691][ T4905] Call trace: [ 77.507622][ T4905] dump_backtrace+0x0/0x43c [ 77.508861][ T4905] show_stack+0x2c/0x3c [ 77.510015][ T4905] __dump_stack+0x30/0x40 [ 77.511190][ T4905] dump_stack_lvl+0xf8/0x160 [ 77.512482][ T4905] dump_stack+0x1c/0x5c [ 77.513614][ T4905] should_fail+0x3c0/0x51c [ 77.514816][ T4905] __should_failslab+0xbc/0x10c [ 77.516112][ T4905] should_failslab+0x10/0x28 [ 77.517344][ T4905] slab_pre_alloc_hook+0x64/0xec [ 77.518736][ T4905] __kmalloc_track_caller+0x74/0x370 [ 77.520244][ T4905] kvasprintf+0x17c/0x284 [ 77.521537][ T4905] kvasprintf_const+0x148/0x2d0 [ 77.522902][ T4905] kobject_set_name_vargs+0xcc/0x1b4 [ 77.524390][ T4905] kobject_add+0xfc/0x1f8 [ 77.525619][ T4905] blk_mq_register_hctx+0xc0/0x35c [ 77.527037][ T4905] blk_mq_sysfs_register+0xb8/0x18c [ 77.528482][ T4905] blk_mq_update_nr_hw_queues+0x78c/0xbfc [ 77.530124][ T4905] nbd_start_device+0x14c/0xb40 [ 77.531471][ T4905] nbd_ioctl+0x514/0xc50 [ 77.532675][ T4905] blkdev_ioctl+0x5f8/0xbb8 [ 77.533865][ T4905] block_ioctl+0xa4/0x118 [ 77.535095][ T4905] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.536444][ T4905] invoke_syscall+0x98/0x2b8 [ 77.537677][ T4905] el0_svc_common+0x138/0x258 [ 77.538910][ T4905] do_el0_svc+0x58/0x14c [ 77.540080][ T4905] el0_svc+0x78/0x1e0 [ 77.541191][ T4905] el0t_64_sync_handler+0xcc/0xe4 [ 77.542574][ T4905] el0t_64_sync+0x1a0/0x1a4 [ 77.544977][ T4905] kobject: can not set name properly! [ 77.557517][ T4906] block nbd0: shutting down sockets 1970/01/01 00:01:17 executed programs: 76 [ 77.667119][ T4909] ------------[ cut here ]------------ [ 77.668657][ T4909] kernfs: can not remove 'nr_tags', no directory [ 77.670574][ T4909] WARNING: CPU: 0 PID: 4909 at fs/kernfs/dir.c:1557 kernfs_remove_by_name_ns+0xcc/0x158 [ 77.673226][ T4909] Modules linked in: [ 77.674365][ T4909] CPU: 0 PID: 4909 Comm: syz-executor.0 Not tainted 5.15.188-syzkaller #0 [ 77.676729][ T4909] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 77.679619][ T4909] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 77.681795][ T4909] pc : kernfs_remove_by_name_ns+0xcc/0x158 [ 77.683380][ T4909] lr : kernfs_remove_by_name_ns+0xcc/0x158 [ 77.685045][ T4909] sp : ffff80001f787790 [ 77.686215][ T4909] x29: ffff80001f787790 x28: ffff0000cbb59000 x27: 0000000000000000 [ 77.688567][ T4909] x26: 0000000000000002 x25: ffff80001491ad28 x24: 1ffff000022f87f8 [ 77.690779][ T4909] x23: dfff800000000000 x22: ffff80001491ad60 x21: 0000000000000000 [ 77.692919][ T4909] x20: 0000000000000000 x19: ffff8000117c4020 x18: 0000000000000001 [ 77.695198][ T4909] x17: 0000000000000000 x16: ffff8000111d162c x15: 00000000ffffffff [ 77.697436][ T4909] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 77.699631][ T4909] x11: 0000000000000000 x10: 0000000000000000 x9 : 5f4a92a9c667ef00 [ 77.701904][ T4909] x8 : 5f4a92a9c667ef00 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.704148][ T4909] x5 : ffff80001f787078 x4 : ffff80001425f400 x3 : ffff8000085051a4 [ 77.706419][ T4909] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 000000000000002e [ 77.708694][ T4909] Call trace: [ 77.709589][ T4909] kernfs_remove_by_name_ns+0xcc/0x158 [ 77.711169][ T4909] sysfs_remove_group+0xf8/0x288 [ 77.712519][ T4909] sysfs_remove_groups+0x5c/0xb4 [ 77.713981][ T4909] __kobject_del+0x90/0x2d4 [ 77.715260][ T4909] kobject_del+0x48/0x68 [ 77.716405][ T4909] blk_mq_sysfs_unregister+0x198/0x268 [ 77.717845][ T4909] blk_mq_update_nr_hw_queues+0x4d0/0xbfc [ 77.719449][ T4909] nbd_start_device+0x14c/0xb40 [ 77.720962][ T4909] nbd_ioctl+0x514/0xc50 [ 77.722157][ T4909] blkdev_ioctl+0x5f8/0xbb8 [ 77.723507][ T4909] block_ioctl+0xa4/0x118 [ 77.724671][ T4909] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.726104][ T4909] invoke_syscall+0x98/0x2b8 [ 77.727359][ T4909] el0_svc_common+0x138/0x258 [ 77.728651][ T4909] do_el0_svc+0x58/0x14c [ 77.729816][ T4909] el0_svc+0x78/0x1e0 [ 77.730915][ T4909] el0t_64_sync_handler+0xcc/0xe4 [ 77.732337][ T4909] el0t_64_sync+0x1a0/0x1a4 [ 77.733593][ T4909] irq event stamp: 2042 [ 77.734727][ T4909] hardirqs last enabled at (2041): [] __up_console_sem+0xb4/0x100 [ 77.737393][ T4909] hardirqs last disabled at (2042): [] el1_dbg+0x24/0x80 [ 77.739876][ T4909] softirqs last enabled at (362): [] local_bh_enable+0x10/0x34 [ 77.742452][ T4909] softirqs last disabled at (360): [] local_bh_disable+0x10/0x34 [ 77.745100][ T4909] ---[ end trace 36664916ff44f60f ]--- [ 77.747163][ T4909] ------------[ cut here ]------------ [ 77.748842][ T4909] kernfs: can not remove 'nr_reserved_tags', no directory [ 77.750832][ T4909] WARNING: CPU: 0 PID: 4909 at fs/kernfs/dir.c:1557 kernfs_remove_by_name_ns+0xcc/0x158 [ 77.753548][ T4909] Modules linked in: [ 77.754674][ T4909] CPU: 0 PID: 4909 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 77.757423][ T4909] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 77.760160][ T4909] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 77.762386][ T4909] pc : kernfs_remove_by_name_ns+0xcc/0x158 [ 77.764112][ T4909] lr : kernfs_remove_by_name_ns+0xcc/0x158 [ 77.765759][ T4909] sp : ffff80001f787790 [ 77.766867][ T4909] x29: ffff80001f787790 x28: ffff0000cbb59000 x27: 0000000000000000 [ 77.769052][ T4909] x26: 0000000000000002 x25: ffff80001491ad30 x24: 1ffff000022f87f8 [ 77.771207][ T4909] x23: dfff800000000000 x22: ffff80001491adc0 x21: 0000000000000000 [ 77.773459][ T4909] x20: 0000000000000000 x19: ffff8000117c4060 x18: 0000000000000001 [ 77.775676][ T4909] x17: 0000000000000000 x16: ffff8000111d162c x15: 00000000ffffffff [ 77.777870][ T4909] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 77.780200][ T4909] x11: 0000000000000000 x10: 0000000000000000 x9 : 5f4a92a9c667ef00 [ 77.782420][ T4909] x8 : 5f4a92a9c667ef00 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.784665][ T4909] x5 : ffff80001f787078 x4 : ffff80001425f400 x3 : ffff80000a734e84 [ 77.786844][ T4909] x2 : ffff0001a10b3d50 x1 : 0000000100000000 x0 : 0000000000000037 [ 77.789087][ T4909] Call trace: [ 77.790027][ T4909] kernfs_remove_by_name_ns+0xcc/0x158 [ 77.791633][ T4909] sysfs_remove_group+0xf8/0x288 [ 77.793009][ T4909] sysfs_remove_groups+0x5c/0xb4 [ 77.794392][ T4909] __kobject_del+0x90/0x2d4 [ 77.795675][ T4909] kobject_del+0x48/0x68 [ 77.796840][ T4909] blk_mq_sysfs_unregister+0x198/0x268 [ 77.798287][ T4909] blk_mq_update_nr_hw_queues+0x4d0/0xbfc [ 77.799868][ T4909] nbd_start_device+0x14c/0xb40 [ 77.801265][ T4909] nbd_ioctl+0x514/0xc50 [ 77.802460][ T4909] blkdev_ioctl+0x5f8/0xbb8 [ 77.803715][ T4909] block_ioctl+0xa4/0x118 [ 77.804885][ T4909] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.806258][ T4909] invoke_syscall+0x98/0x2b8 [ 77.807539][ T4909] el0_svc_common+0x138/0x258 [ 77.808852][ T4909] do_el0_svc+0x58/0x14c [ 77.810011][ T4909] el0_svc+0x78/0x1e0 [ 77.811117][ T4909] el0t_64_sync_handler+0xcc/0xe4 [ 77.812545][ T4909] el0t_64_sync+0x1a0/0x1a4 [ 77.813761][ T4909] irq event stamp: 2156 [ 77.814890][ T4909] hardirqs last enabled at (2155): [] __up_console_sem+0xb4/0x100 [ 77.817501][ T4909] hardirqs last disabled at (2156): [] el1_dbg+0x24/0x80 [ 77.819849][ T4909] softirqs last enabled at (2134): [] handle_softirqs+0xa4c/0xbf0 [ 77.822453][ T4909] softirqs last disabled at (2045): [] __irq_exit_rcu+0x240/0x440 [ 77.825018][ T4909] ---[ end trace 36664916ff44f610 ]--- [ 77.827281][ T4909] ------------[ cut here ]------------ [ 77.828786][ T4909] kernfs: can not remove 'cpu_list', no directory [ 77.830629][ T4909] WARNING: CPU: 0 PID: 4909 at fs/kernfs/dir.c:1557 kernfs_remove_by_name_ns+0xcc/0x158 [ 77.833237][ T4909] Modules linked in: [ 77.834269][ T4909] CPU: 0 PID: 4909 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 77.836965][ T4909] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 77.839771][ T4909] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 77.841925][ T4909] pc : kernfs_remove_by_name_ns+0xcc/0x158 [ 77.843521][ T4909] lr : kernfs_remove_by_name_ns+0xcc/0x158 [ 77.845132][ T4909] sp : ffff80001f787790 [ 77.846242][ T4909] x29: ffff80001f787790 x28: ffff0000cbb59000 x27: 0000000000000000 [ 77.848477][ T4909] x26: 0000000000000002 x25: ffff80001491ad38 x24: 1ffff000022f87f8 [ 77.850726][ T4909] x23: dfff800000000000 x22: ffff80001491ae20 x21: 0000000000000000 [ 77.853000][ T4909] x20: 0000000000000000 x19: ffff8000117c40a0 x18: 0000000000000001 [ 77.855249][ T4909] x17: 0000000000000000 x16: ffff8000083020fc x15: 00000000ffffffff [ 77.857458][ T4909] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 77.859680][ T4909] x11: 0000000000000000 x10: 0000000000000000 x9 : 5f4a92a9c667ef00 [ 77.861895][ T4909] x8 : 5f4a92a9c667ef00 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.864096][ T4909] x5 : ffff80001f787078 x4 : ffff80001425f400 x3 : ffff80000830220c [ 77.866376][ T4909] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 000000000000002f [ 77.868570][ T4909] Call trace: [ 77.869464][ T4909] kernfs_remove_by_name_ns+0xcc/0x158 [ 77.870980][ T4909] sysfs_remove_group+0xf8/0x288 [ 77.872340][ T4909] sysfs_remove_groups+0x5c/0xb4 [ 77.873687][ T4909] __kobject_del+0x90/0x2d4 [ 77.874938][ T4909] kobject_del+0x48/0x68 [ 77.876062][ T4909] blk_mq_sysfs_unregister+0x198/0x268 [ 77.877580][ T4909] blk_mq_update_nr_hw_queues+0x4d0/0xbfc [ 77.879205][ T4909] nbd_start_device+0x14c/0xb40 [ 77.880528][ T4909] nbd_ioctl+0x514/0xc50 [ 77.881705][ T4909] blkdev_ioctl+0x5f8/0xbb8 [ 77.882953][ T4909] block_ioctl+0xa4/0x118 [ 77.884247][ T4909] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.885701][ T4909] invoke_syscall+0x98/0x2b8 [ 77.886974][ T4909] el0_svc_common+0x138/0x258 [ 77.888228][ T4909] do_el0_svc+0x58/0x14c [ 77.889464][ T4909] el0_svc+0x78/0x1e0 [ 77.890520][ T4909] el0t_64_sync_handler+0xcc/0xe4 [ 77.891879][ T4909] el0t_64_sync+0x1a0/0x1a4 [ 77.893148][ T4909] irq event stamp: 2276 [ 77.894315][ T4909] hardirqs last enabled at (2275): [] __up_console_sem+0xb4/0x100 [ 77.896942][ T4909] hardirqs last disabled at (2276): [] el1_dbg+0x24/0x80 [ 77.899418][ T4909] softirqs last enabled at (2254): [] handle_softirqs+0xa4c/0xbf0 [ 77.902076][ T4909] softirqs last disabled at (2161): [] __irq_exit_rcu+0x240/0x440 [ 77.904754][ T4909] ---[ end trace 36664916ff44f611 ]--- [ 77.908797][ T4909] FAULT_INJECTION: forcing a failure. [ 77.908797][ T4909] name failslab, interval 1, probability 0, space 0, times 0 [ 77.912368][ T4909] CPU: 0 PID: 4909 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 77.915122][ T4909] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 77.917830][ T4909] Call trace: [ 77.918701][ T4909] dump_backtrace+0x0/0x43c [ 77.919935][ T4909] show_stack+0x2c/0x3c [ 77.921048][ T4909] __dump_stack+0x30/0x40 [ 77.922250][ T4909] dump_stack_lvl+0xf8/0x160 [ 77.923558][ T4909] dump_stack+0x1c/0x5c [ 77.924761][ T4909] should_fail+0x3c0/0x51c [ 77.925941][ T4909] __should_failslab+0xbc/0x10c [ 77.927325][ T4909] should_failslab+0x10/0x28 [ 77.928616][ T4909] slab_pre_alloc_hook+0x64/0xec [ 77.929974][ T4909] __kmalloc_node+0xb8/0x520 [ 77.931293][ T4909] blk_mq_update_nr_hw_queues+0x54c/0xbfc [ 77.932858][ T4909] nbd_start_device+0x14c/0xb40 [ 77.934364][ T4909] nbd_ioctl+0x514/0xc50 [ 77.935557][ T4909] blkdev_ioctl+0x5f8/0xbb8 [ 77.936923][ T4909] block_ioctl+0xa4/0x118 [ 77.938115][ T4909] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.939613][ T4909] invoke_syscall+0x98/0x2b8 [ 77.940883][ T4909] el0_svc_common+0x138/0x258 [ 77.942233][ T4909] do_el0_svc+0x58/0x14c [ 77.943436][ T4909] el0_svc+0x78/0x1e0 [ 77.944514][ T4909] el0t_64_sync_handler+0xcc/0xe4 [ 77.945882][ T4909] el0t_64_sync+0x1a0/0x1a4 [ 77.951832][ T4910] block nbd0: shutting down sockets [ 78.095923][ T4913] FAULT_INJECTION: forcing a failure. [ 78.095923][ T4913] name failslab, interval 1, probability 0, space 0, times 0 [ 78.099388][ T4913] CPU: 1 PID: 4913 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 78.102182][ T4913] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 78.105037][ T4913] Call trace: [ 78.105959][ T4913] dump_backtrace+0x0/0x43c [ 78.107292][ T4913] show_stack+0x2c/0x3c [ 78.108430][ T4913] __dump_stack+0x30/0x40 [ 78.109630][ T4913] dump_stack_lvl+0xf8/0x160 [ 78.110938][ T4913] dump_stack+0x1c/0x5c [ 78.112066][ T4913] should_fail+0x3c0/0x51c [ 78.113336][ T4913] __should_failslab+0xbc/0x10c [ 78.114768][ T4913] should_failslab+0x10/0x28 [ 78.116043][ T4913] slab_pre_alloc_hook+0x64/0xec [ 78.117432][ T4913] __kmalloc_node+0xb8/0x520 [ 78.118695][ T4913] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 78.120262][ T4913] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 78.121838][ T4913] nbd_start_device+0x14c/0xb40 [ 78.123170][ T4913] nbd_ioctl+0x514/0xc50 [ 78.124384][ T4913] blkdev_ioctl+0x5f8/0xbb8 [ 78.125619][ T4913] block_ioctl+0xa4/0x118 [ 78.126848][ T4913] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.128353][ T4913] invoke_syscall+0x98/0x2b8 [ 78.129611][ T4913] el0_svc_common+0x138/0x258 [ 78.130862][ T4913] do_el0_svc+0x58/0x14c [ 78.132016][ T4913] el0_svc+0x78/0x1e0 [ 78.133190][ T4913] el0t_64_sync_handler+0xcc/0xe4 [ 78.134548][ T4913] el0t_64_sync+0x1a0/0x1a4 [ 78.139813][ T4913] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 78.145067][ T4914] block nbd0: shutting down sockets [ 78.306351][ T4917] FAULT_INJECTION: forcing a failure. [ 78.306351][ T4917] name failslab, interval 1, probability 0, space 0, times 0 [ 78.309773][ T4917] CPU: 1 PID: 4917 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 78.312478][ T4917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 78.315303][ T4917] Call trace: [ 78.316151][ T4917] dump_backtrace+0x0/0x43c [ 78.317397][ T4917] show_stack+0x2c/0x3c [ 78.318550][ T4917] __dump_stack+0x30/0x40 [ 78.319779][ T4917] dump_stack_lvl+0xf8/0x160 [ 78.321033][ T4917] dump_stack+0x1c/0x5c [ 78.322202][ T4917] should_fail+0x3c0/0x51c [ 78.323484][ T4917] __should_failslab+0xbc/0x10c [ 78.324974][ T4917] should_failslab+0x10/0x28 [ 78.326423][ T4917] slab_pre_alloc_hook+0x64/0xec [ 78.327843][ T4917] __kmalloc_node+0xb8/0x520 [ 78.329097][ T4917] blk_mq_update_nr_hw_queues+0x54c/0xbfc [ 78.330684][ T4917] nbd_start_device+0x14c/0xb40 [ 78.332077][ T4917] nbd_ioctl+0x514/0xc50 [ 78.333184][ T4917] blkdev_ioctl+0x5f8/0xbb8 [ 78.334439][ T4917] block_ioctl+0xa4/0x118 [ 78.335671][ T4917] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.337000][ T4917] invoke_syscall+0x98/0x2b8 [ 78.338242][ T4917] el0_svc_common+0x138/0x258 [ 78.339542][ T4917] do_el0_svc+0x58/0x14c [ 78.340717][ T4917] el0_svc+0x78/0x1e0 [ 78.341827][ T4917] el0t_64_sync_handler+0xcc/0xe4 [ 78.343164][ T4917] el0t_64_sync+0x1a0/0x1a4 [ 78.349173][ T4916] block nbd0: shutting down sockets [ 78.472213][ T4921] block nbd0: Device being setup by another task [ 78.474708][ T4920] FAULT_INJECTION: forcing a failure. [ 78.474708][ T4920] name failslab, interval 1, probability 0, space 0, times 0 [ 78.478597][ T4920] CPU: 0 PID: 4920 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 78.481356][ T4920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 78.484097][ T4920] Call trace: [ 78.485033][ T4920] dump_backtrace+0x0/0x43c [ 78.486295][ T4920] show_stack+0x2c/0x3c [ 78.487464][ T4920] __dump_stack+0x30/0x40 [ 78.488654][ T4920] dump_stack_lvl+0xf8/0x160 [ 78.489934][ T4920] dump_stack+0x1c/0x5c [ 78.491153][ T4920] should_fail+0x3c0/0x51c [ 78.492400][ T4920] __should_failslab+0xbc/0x10c [ 78.493707][ T4920] should_failslab+0x10/0x28 [ 78.494982][ T4920] slab_pre_alloc_hook+0x64/0xec [ 78.496403][ T4920] kmem_cache_alloc+0x94/0x3e4 [ 78.497762][ T4920] new_inode_pseudo+0x10c/0x1fc [ 78.499072][ T4920] new_inode+0x38/0x174 [ 78.500259][ T4920] debugfs_create_dir+0xec/0x3f4 [ 78.501616][ T4920] nbd_start_device+0x3c8/0xb40 [ 78.502926][ T4920] nbd_ioctl+0x514/0xc50 [ 78.504064][ T4920] blkdev_ioctl+0x5f8/0xbb8 [ 78.505325][ T4920] block_ioctl+0xa4/0x118 [ 78.506525][ T4920] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.507906][ T4920] invoke_syscall+0x98/0x2b8 [ 78.509154][ T4920] el0_svc_common+0x138/0x258 [ 78.510525][ T4920] do_el0_svc+0x58/0x14c [ 78.511718][ T4920] el0_svc+0x78/0x1e0 [ 78.512809][ T4920] el0t_64_sync_handler+0xcc/0xe4 [ 78.514209][ T4920] el0t_64_sync+0x1a0/0x1a4 [ 78.515867][ T4920] debugfs: out of free dentries, can not create directory 'nbd0' [ 78.518495][ T4920] block nbd0: Failed to create debugfs dir for 'nbd0' [ 78.525277][ T4921] block nbd0: shutting down sockets [ 78.666261][ T4923] FAULT_INJECTION: forcing a failure. [ 78.666261][ T4923] name failslab, interval 1, probability 0, space 0, times 0 [ 78.669868][ T4923] CPU: 0 PID: 4923 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 78.672647][ T4923] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 78.675441][ T4923] Call trace: [ 78.676382][ T4923] dump_backtrace+0x0/0x43c [ 78.677642][ T4923] show_stack+0x2c/0x3c [ 78.678732][ T4923] __dump_stack+0x30/0x40 [ 78.679926][ T4923] dump_stack_lvl+0xf8/0x160 [ 78.681217][ T4923] dump_stack+0x1c/0x5c [ 78.682381][ T4923] should_fail+0x3c0/0x51c [ 78.683585][ T4923] __should_failslab+0xbc/0x10c [ 78.684946][ T4923] should_failslab+0x10/0x28 [ 78.686225][ T4923] slab_pre_alloc_hook+0x64/0xec [ 78.687603][ T4923] __kmalloc_node+0xb8/0x520 [ 78.688889][ T4923] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 78.690318][ T4923] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 78.691946][ T4923] nbd_start_device+0x14c/0xb40 [ 78.693383][ T4923] nbd_ioctl+0x514/0xc50 [ 78.694559][ T4923] blkdev_ioctl+0x5f8/0xbb8 [ 78.695798][ T4923] block_ioctl+0xa4/0x118 [ 78.697047][ T4923] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.698503][ T4923] invoke_syscall+0x98/0x2b8 [ 78.699761][ T4923] el0_svc_common+0x138/0x258 [ 78.701038][ T4923] do_el0_svc+0x58/0x14c [ 78.702228][ T4923] el0_svc+0x78/0x1e0 [ 78.703324][ T4923] el0t_64_sync_handler+0xcc/0xe4 [ 78.704730][ T4923] el0t_64_sync+0x1a0/0x1a4 [ 78.707199][ T4923] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 78.714066][ T4924] block nbd0: shutting down sockets [ 78.896264][ T4927] FAULT_INJECTION: forcing a failure. [ 78.896264][ T4927] name failslab, interval 1, probability 0, space 0, times 0 [ 78.899811][ T4927] CPU: 0 PID: 4927 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 78.902742][ T4927] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 78.905552][ T4927] Call trace: [ 78.906470][ T4927] dump_backtrace+0x0/0x43c [ 78.907709][ T4927] show_stack+0x2c/0x3c [ 78.908853][ T4927] __dump_stack+0x30/0x40 [ 78.910145][ T4927] dump_stack_lvl+0xf8/0x160 [ 78.911441][ T4927] dump_stack+0x1c/0x5c [ 78.912648][ T4927] should_fail+0x3c0/0x51c [ 78.913904][ T4927] __should_failslab+0xbc/0x10c [ 78.915372][ T4927] should_failslab+0x10/0x28 [ 78.916709][ T4927] slab_pre_alloc_hook+0x64/0xec [ 78.918107][ T4927] __kmalloc_node+0xb8/0x520 [ 78.919447][ T4927] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 78.920926][ T4927] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 78.922539][ T4927] nbd_start_device+0x14c/0xb40 [ 78.923914][ T4927] nbd_ioctl+0x514/0xc50 [ 78.925073][ T4927] blkdev_ioctl+0x5f8/0xbb8 [ 78.926347][ T4927] block_ioctl+0xa4/0x118 [ 78.927560][ T4927] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.929001][ T4927] invoke_syscall+0x98/0x2b8 [ 78.930259][ T4927] el0_svc_common+0x138/0x258 [ 78.931513][ T4927] do_el0_svc+0x58/0x14c [ 78.932664][ T4927] el0_svc+0x78/0x1e0 [ 78.933764][ T4927] el0t_64_sync_handler+0xcc/0xe4 [ 78.935165][ T4927] el0t_64_sync+0x1a0/0x1a4 [ 78.936761][ T4927] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 78.941908][ T4926] block nbd0: shutting down sockets [ 79.116066][ T4931] FAULT_INJECTION: forcing a failure. [ 79.116066][ T4931] name failslab, interval 1, probability 0, space 0, times 0 [ 79.119767][ T4931] CPU: 1 PID: 4931 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 79.122558][ T4931] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 79.125393][ T4931] Call trace: [ 79.126284][ T4931] dump_backtrace+0x0/0x43c [ 79.127555][ T4931] show_stack+0x2c/0x3c [ 79.128741][ T4931] __dump_stack+0x30/0x40 [ 79.129951][ T4931] dump_stack_lvl+0xf8/0x160 [ 79.131240][ T4931] dump_stack+0x1c/0x5c [ 79.132378][ T4931] should_fail+0x3c0/0x51c [ 79.133646][ T4931] __should_failslab+0xbc/0x10c [ 79.134978][ T4931] should_failslab+0x10/0x28 [ 79.136341][ T4931] slab_pre_alloc_hook+0x64/0xec [ 79.137665][ T4931] __kmalloc_node+0xb8/0x520 [ 79.138896][ T4931] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 79.140348][ T4931] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 79.141889][ T4931] nbd_start_device+0x14c/0xb40 [ 79.143224][ T4931] nbd_ioctl+0x514/0xc50 [ 79.144470][ T4931] blkdev_ioctl+0x5f8/0xbb8 [ 79.145731][ T4931] block_ioctl+0xa4/0x118 [ 79.147040][ T4931] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.148404][ T4931] invoke_syscall+0x98/0x2b8 [ 79.149697][ T4931] el0_svc_common+0x138/0x258 [ 79.151003][ T4931] do_el0_svc+0x58/0x14c [ 79.152131][ T4931] el0_svc+0x78/0x1e0 [ 79.153231][ T4931] el0t_64_sync_handler+0xcc/0xe4 [ 79.154692][ T4931] el0t_64_sync+0x1a0/0x1a4 [ 79.156134][ T4931] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 79.161196][ T4930] block nbd0: shutting down sockets [ 79.295927][ T4934] FAULT_INJECTION: forcing a failure. [ 79.295927][ T4934] name failslab, interval 1, probability 0, space 0, times 0 [ 79.299534][ T4934] CPU: 1 PID: 4934 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 79.302340][ T4934] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 79.305156][ T4934] Call trace: [ 79.306096][ T4934] dump_backtrace+0x0/0x43c [ 79.307340][ T4934] show_stack+0x2c/0x3c [ 79.308488][ T4934] __dump_stack+0x30/0x40 [ 79.309706][ T4934] dump_stack_lvl+0xf8/0x160 [ 79.310904][ T4934] dump_stack+0x1c/0x5c [ 79.312064][ T4934] should_fail+0x3c0/0x51c [ 79.313307][ T4934] __should_failslab+0xbc/0x10c [ 79.314633][ T4934] should_failslab+0x10/0x28 [ 79.315886][ T4934] slab_pre_alloc_hook+0x64/0xec [ 79.317348][ T4934] __kmalloc_node+0xb8/0x520 [ 79.318635][ T4934] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 79.320164][ T4934] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 79.321750][ T4934] nbd_start_device+0x14c/0xb40 [ 79.323107][ T4934] nbd_ioctl+0x514/0xc50 [ 79.324322][ T4934] blkdev_ioctl+0x5f8/0xbb8 [ 79.325590][ T4934] block_ioctl+0xa4/0x118 [ 79.326799][ T4934] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.328167][ T4934] invoke_syscall+0x98/0x2b8 [ 79.329398][ T4934] el0_svc_common+0x138/0x258 [ 79.330648][ T4934] do_el0_svc+0x58/0x14c [ 79.331746][ T4934] el0_svc+0x78/0x1e0 [ 79.332865][ T4934] el0t_64_sync_handler+0xcc/0xe4 [ 79.334245][ T4934] el0t_64_sync+0x1a0/0x1a4 [ 79.336352][ T4934] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 79.341282][ T4935] block nbd0: shutting down sockets [ 79.497643][ T4937] FAULT_INJECTION: forcing a failure. [ 79.497643][ T4937] name failslab, interval 1, probability 0, space 0, times 0 [ 79.501286][ T4937] CPU: 0 PID: 4937 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 79.504015][ T4937] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 79.506916][ T4937] Call trace: [ 79.507841][ T4937] dump_backtrace+0x0/0x43c [ 79.509093][ T4937] show_stack+0x2c/0x3c [ 79.510230][ T4937] __dump_stack+0x30/0x40 [ 79.511489][ T4937] dump_stack_lvl+0xf8/0x160 [ 79.512819][ T4937] dump_stack+0x1c/0x5c [ 79.513971][ T4937] should_fail+0x3c0/0x51c [ 79.515170][ T4937] __should_failslab+0xbc/0x10c [ 79.516503][ T4937] should_failslab+0x10/0x28 [ 79.517818][ T4937] slab_pre_alloc_hook+0x64/0xec [ 79.519165][ T4937] __kmalloc_node+0xb8/0x520 [ 79.520507][ T4937] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 79.521978][ T4937] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 79.523603][ T4937] nbd_start_device+0x14c/0xb40 [ 79.524911][ T4937] nbd_ioctl+0x514/0xc50 [ 79.526141][ T4937] blkdev_ioctl+0x5f8/0xbb8 [ 79.527406][ T4937] block_ioctl+0xa4/0x118 [ 79.528665][ T4937] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.530034][ T4937] invoke_syscall+0x98/0x2b8 [ 79.531348][ T4937] el0_svc_common+0x138/0x258 [ 79.532642][ T4937] do_el0_svc+0x58/0x14c [ 79.533866][ T4937] el0_svc+0x78/0x1e0 [ 79.535015][ T4937] el0t_64_sync_handler+0xcc/0xe4 [ 79.536434][ T4937] el0t_64_sync+0x1a0/0x1a4 [ 79.539140][ T4937] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 79.547046][ T4938] block nbd0: shutting down sockets [ 79.686032][ T4941] FAULT_INJECTION: forcing a failure. [ 79.686032][ T4941] name failslab, interval 1, probability 0, space 0, times 0 [ 79.689571][ T4941] CPU: 1 PID: 4941 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 79.692284][ T4941] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 79.695130][ T4941] Call trace: [ 79.696016][ T4941] dump_backtrace+0x0/0x43c [ 79.697237][ T4941] show_stack+0x2c/0x3c [ 79.698426][ T4941] __dump_stack+0x30/0x40 [ 79.699675][ T4941] dump_stack_lvl+0xf8/0x160 [ 79.700923][ T4941] dump_stack+0x1c/0x5c [ 79.702120][ T4941] should_fail+0x3c0/0x51c [ 79.703302][ T4941] __should_failslab+0xbc/0x10c [ 79.704620][ T4941] should_failslab+0x10/0x28 [ 79.705988][ T4941] slab_pre_alloc_hook+0x64/0xec [ 79.707347][ T4941] __kmalloc_node+0xb8/0x520 [ 79.708612][ T4941] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 79.710077][ T4941] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 79.711689][ T4941] nbd_start_device+0x14c/0xb40 [ 79.712979][ T4941] nbd_ioctl+0x514/0xc50 [ 79.714174][ T4941] blkdev_ioctl+0x5f8/0xbb8 [ 79.715474][ T4941] block_ioctl+0xa4/0x118 [ 79.716673][ T4941] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.718010][ T4941] invoke_syscall+0x98/0x2b8 [ 79.719242][ T4941] el0_svc_common+0x138/0x258 [ 79.720503][ T4941] do_el0_svc+0x58/0x14c [ 79.721715][ T4941] el0_svc+0x78/0x1e0 [ 79.722815][ T4941] el0t_64_sync_handler+0xcc/0xe4 [ 79.724266][ T4941] el0t_64_sync+0x1a0/0x1a4 [ 79.725871][ T4941] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 79.731034][ T4942] block nbd0: shutting down sockets [ 79.895997][ T4944] FAULT_INJECTION: forcing a failure. [ 79.895997][ T4944] name failslab, interval 1, probability 0, space 0, times 0 [ 79.899689][ T4944] CPU: 0 PID: 4944 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 79.902443][ T4944] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 79.905172][ T4944] Call trace: [ 79.906063][ T4944] dump_backtrace+0x0/0x43c [ 79.907352][ T4944] show_stack+0x2c/0x3c [ 79.908494][ T4944] __dump_stack+0x30/0x40 [ 79.909727][ T4944] dump_stack_lvl+0xf8/0x160 [ 79.911007][ T4944] dump_stack+0x1c/0x5c [ 79.912187][ T4944] should_fail+0x3c0/0x51c [ 79.913376][ T4944] __should_failslab+0xbc/0x10c [ 79.914684][ T4944] should_failslab+0x10/0x28 [ 79.915926][ T4944] slab_pre_alloc_hook+0x64/0xec [ 79.917299][ T4944] __kmalloc_node+0xb8/0x520 [ 79.918594][ T4944] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 79.920074][ T4944] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 79.921581][ T4944] nbd_start_device+0x14c/0xb40 [ 79.922882][ T4944] nbd_ioctl+0x514/0xc50 [ 79.924042][ T4944] blkdev_ioctl+0x5f8/0xbb8 [ 79.925358][ T4944] block_ioctl+0xa4/0x118 [ 79.926559][ T4944] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.927979][ T4944] invoke_syscall+0x98/0x2b8 [ 79.929227][ T4944] el0_svc_common+0x138/0x258 [ 79.930616][ T4944] do_el0_svc+0x58/0x14c [ 79.931781][ T4944] el0_svc+0x78/0x1e0 [ 79.932862][ T4944] el0t_64_sync_handler+0xcc/0xe4 [ 79.934301][ T4944] el0t_64_sync+0x1a0/0x1a4 [ 79.936738][ T4944] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 79.942519][ T4945] block nbd0: shutting down sockets [ 80.062124][ T4948] block nbd0: Device being setup by another task [ 80.064588][ T4947] FAULT_INJECTION: forcing a failure. [ 80.064588][ T4947] name failslab, interval 1, probability 0, space 0, times 0 [ 80.068243][ T4947] CPU: 0 PID: 4947 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 80.070996][ T4947] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 80.073824][ T4947] Call trace: [ 80.074708][ T4947] dump_backtrace+0x0/0x43c [ 80.075936][ T4947] show_stack+0x2c/0x3c [ 80.077083][ T4947] __dump_stack+0x30/0x40 [ 80.078271][ T4947] dump_stack_lvl+0xf8/0x160 [ 80.079529][ T4947] dump_stack+0x1c/0x5c [ 80.080676][ T4947] should_fail+0x3c0/0x51c [ 80.081888][ T4947] __should_failslab+0xbc/0x10c [ 80.083208][ T4947] should_failslab+0x10/0x28 [ 80.084512][ T4947] slab_pre_alloc_hook+0x64/0xec [ 80.085891][ T4947] kmem_cache_alloc+0x94/0x3e4 [ 80.087197][ T4947] new_inode_pseudo+0x10c/0x1fc [ 80.088564][ T4947] new_inode+0x38/0x174 [ 80.089658][ T4947] debugfs_create_dir+0xec/0x3f4 [ 80.091097][ T4947] nbd_start_device+0x3c8/0xb40 [ 80.092462][ T4947] nbd_ioctl+0x514/0xc50 [ 80.093627][ T4947] blkdev_ioctl+0x5f8/0xbb8 [ 80.094843][ T4947] block_ioctl+0xa4/0x118 [ 80.096116][ T4947] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.097514][ T4947] invoke_syscall+0x98/0x2b8 [ 80.098776][ T4947] el0_svc_common+0x138/0x258 [ 80.100062][ T4947] do_el0_svc+0x58/0x14c [ 80.101224][ T4947] el0_svc+0x78/0x1e0 [ 80.102378][ T4947] el0t_64_sync_handler+0xcc/0xe4 [ 80.103760][ T4947] el0t_64_sync+0x1a0/0x1a4 [ 80.106432][ T4947] debugfs: out of free dentries, can not create directory 'nbd0' [ 80.108616][ T4947] block nbd0: Failed to create debugfs dir for 'nbd0' [ 80.118359][ T4948] block nbd0: shutting down sockets [ 80.306098][ T4951] FAULT_INJECTION: forcing a failure. [ 80.306098][ T4951] name failslab, interval 1, probability 0, space 0, times 0 [ 80.309469][ T4951] CPU: 1 PID: 4951 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 80.312160][ T4951] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 80.314896][ T4951] Call trace: [ 80.315802][ T4951] dump_backtrace+0x0/0x43c [ 80.317050][ T4951] show_stack+0x2c/0x3c [ 80.318214][ T4951] __dump_stack+0x30/0x40 [ 80.319458][ T4951] dump_stack_lvl+0xf8/0x160 [ 80.320757][ T4951] dump_stack+0x1c/0x5c [ 80.321875][ T4951] should_fail+0x3c0/0x51c [ 80.323063][ T4951] __should_failslab+0xbc/0x10c [ 80.324594][ T4951] should_failslab+0x10/0x28 [ 80.325973][ T4951] slab_pre_alloc_hook+0x64/0xec [ 80.327346][ T4951] __kmalloc_node+0xb8/0x520 [ 80.328669][ T4951] blk_mq_update_nr_hw_queues+0x54c/0xbfc [ 80.330293][ T4951] nbd_start_device+0x14c/0xb40 [ 80.331666][ T4951] nbd_ioctl+0x514/0xc50 [ 80.332870][ T4951] blkdev_ioctl+0x5f8/0xbb8 [ 80.334127][ T4951] block_ioctl+0xa4/0x118 [ 80.335331][ T4951] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.336726][ T4951] invoke_syscall+0x98/0x2b8 [ 80.338046][ T4951] el0_svc_common+0x138/0x258 [ 80.339335][ T4951] do_el0_svc+0x58/0x14c [ 80.340520][ T4951] el0_svc+0x78/0x1e0 [ 80.341601][ T4951] el0t_64_sync_handler+0xcc/0xe4 [ 80.342997][ T4951] el0t_64_sync+0x1a0/0x1a4 [ 80.350894][ T4950] block nbd0: shutting down sockets [ 80.516369][ T4954] FAULT_INJECTION: forcing a failure. [ 80.516369][ T4954] name failslab, interval 1, probability 0, space 0, times 0 [ 80.519796][ T4954] CPU: 0 PID: 4954 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 80.522545][ T4954] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 80.525526][ T4954] Call trace: [ 80.526375][ T4954] dump_backtrace+0x0/0x43c [ 80.527624][ T4954] show_stack+0x2c/0x3c [ 80.528799][ T4954] __dump_stack+0x30/0x40 [ 80.529997][ T4954] dump_stack_lvl+0xf8/0x160 [ 80.531272][ T4954] dump_stack+0x1c/0x5c [ 80.532404][ T4954] should_fail+0x3c0/0x51c [ 80.533643][ T4954] __should_failslab+0xbc/0x10c [ 80.534925][ T4954] should_failslab+0x10/0x28 [ 80.536178][ T4954] slab_pre_alloc_hook+0x64/0xec [ 80.537519][ T4954] __kmalloc_node+0xb8/0x520 [ 80.538781][ T4954] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 80.540182][ T4954] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 80.541746][ T4954] nbd_start_device+0x14c/0xb40 [ 80.543089][ T4954] nbd_ioctl+0x514/0xc50 [ 80.544296][ T4954] blkdev_ioctl+0x5f8/0xbb8 [ 80.545593][ T4954] block_ioctl+0xa4/0x118 [ 80.546856][ T4954] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.548212][ T4954] invoke_syscall+0x98/0x2b8 [ 80.549523][ T4954] el0_svc_common+0x138/0x258 [ 80.550838][ T4954] do_el0_svc+0x58/0x14c [ 80.552110][ T4954] el0_svc+0x78/0x1e0 [ 80.553196][ T4954] el0t_64_sync_handler+0xcc/0xe4 [ 80.554631][ T4954] el0t_64_sync+0x1a0/0x1a4 [ 80.556589][ T4954] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 80.562145][ T4955] block nbd0: shutting down sockets [ 80.736266][ T4958] FAULT_INJECTION: forcing a failure. [ 80.736266][ T4958] name failslab, interval 1, probability 0, space 0, times 0 [ 80.739891][ T4958] CPU: 1 PID: 4958 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 80.742720][ T4958] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 80.745547][ T4958] Call trace: [ 80.746478][ T4958] dump_backtrace+0x0/0x43c [ 80.747770][ T4958] show_stack+0x2c/0x3c [ 80.748900][ T4958] __dump_stack+0x30/0x40 [ 80.750041][ T4958] dump_stack_lvl+0xf8/0x160 [ 80.751325][ T4958] dump_stack+0x1c/0x5c [ 80.752452][ T4958] should_fail+0x3c0/0x51c [ 80.753648][ T4958] __should_failslab+0xbc/0x10c [ 80.754964][ T4958] should_failslab+0x10/0x28 [ 80.756261][ T4958] slab_pre_alloc_hook+0x64/0xec [ 80.757584][ T4958] __kmalloc_node+0xb8/0x520 [ 80.758828][ T4958] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 80.760329][ T4958] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 80.761925][ T4958] nbd_start_device+0x14c/0xb40 [ 80.763264][ T4958] nbd_ioctl+0x514/0xc50 [ 80.764478][ T4958] blkdev_ioctl+0x5f8/0xbb8 [ 80.765671][ T4958] block_ioctl+0xa4/0x118 [ 80.767027][ T4958] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.768428][ T4958] invoke_syscall+0x98/0x2b8 [ 80.769731][ T4958] el0_svc_common+0x138/0x258 [ 80.771039][ T4958] do_el0_svc+0x58/0x14c [ 80.772232][ T4958] el0_svc+0x78/0x1e0 [ 80.773395][ T4958] el0t_64_sync_handler+0xcc/0xe4 [ 80.774798][ T4958] el0t_64_sync+0x1a0/0x1a4 [ 80.776342][ T4958] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 80.781402][ T4959] block nbd0: shutting down sockets [ 80.926216][ T4961] FAULT_INJECTION: forcing a failure. [ 80.926216][ T4961] name failslab, interval 1, probability 0, space 0, times 0 [ 80.929712][ T4961] CPU: 1 PID: 4961 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 80.932619][ T4961] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 80.935492][ T4961] Call trace: [ 80.936432][ T4961] dump_backtrace+0x0/0x43c [ 80.937686][ T4961] show_stack+0x2c/0x3c [ 80.938859][ T4961] __dump_stack+0x30/0x40 [ 80.940102][ T4961] dump_stack_lvl+0xf8/0x160 [ 80.941387][ T4961] dump_stack+0x1c/0x5c [ 80.942564][ T4961] should_fail+0x3c0/0x51c [ 80.943823][ T4961] __should_failslab+0xbc/0x10c [ 80.945170][ T4961] should_failslab+0x10/0x28 [ 80.946484][ T4961] slab_pre_alloc_hook+0x64/0xec [ 80.947829][ T4961] __kmalloc_node+0xb8/0x520 [ 80.949205][ T4961] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 80.950707][ T4961] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 80.952302][ T4961] nbd_start_device+0x14c/0xb40 [ 80.953645][ T4961] nbd_ioctl+0x514/0xc50 [ 80.954839][ T4961] blkdev_ioctl+0x5f8/0xbb8 [ 80.956072][ T4961] block_ioctl+0xa4/0x118 [ 80.957305][ T4961] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.958698][ T4961] invoke_syscall+0x98/0x2b8 [ 80.959979][ T4961] el0_svc_common+0x138/0x258 [ 80.961353][ T4961] do_el0_svc+0x58/0x14c [ 80.962551][ T4961] el0_svc+0x78/0x1e0 [ 80.963643][ T4961] el0t_64_sync_handler+0xcc/0xe4 [ 80.965042][ T4961] el0t_64_sync+0x1a0/0x1a4 [ 80.966478][ T4961] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 80.971471][ T4962] block nbd0: shutting down sockets [ 81.116002][ T4964] FAULT_INJECTION: forcing a failure. [ 81.116002][ T4964] name failslab, interval 1, probability 0, space 0, times 0 [ 81.119597][ T4964] CPU: 1 PID: 4964 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 81.122368][ T4964] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 81.125224][ T4964] Call trace: [ 81.126205][ T4964] dump_backtrace+0x0/0x43c [ 81.127444][ T4964] show_stack+0x2c/0x3c [ 81.128580][ T4964] __dump_stack+0x30/0x40 [ 81.129805][ T4964] dump_stack_lvl+0xf8/0x160 [ 81.131079][ T4964] dump_stack+0x1c/0x5c [ 81.132203][ T4964] should_fail+0x3c0/0x51c [ 81.133419][ T4964] __should_failslab+0xbc/0x10c [ 81.134757][ T4964] should_failslab+0x10/0x28 [ 81.136043][ T4964] slab_pre_alloc_hook+0x64/0xec [ 81.137477][ T4964] __kmalloc_node+0xb8/0x520 [ 81.138790][ T4964] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 81.140246][ T4964] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 81.141896][ T4964] nbd_start_device+0x14c/0xb40 [ 81.143322][ T4964] nbd_ioctl+0x514/0xc50 [ 81.144518][ T4964] blkdev_ioctl+0x5f8/0xbb8 [ 81.145776][ T4964] block_ioctl+0xa4/0x118 [ 81.146939][ T4964] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.148292][ T4964] invoke_syscall+0x98/0x2b8 [ 81.149543][ T4964] el0_svc_common+0x138/0x258 [ 81.150837][ T4964] do_el0_svc+0x58/0x14c [ 81.152043][ T4964] el0_svc+0x78/0x1e0 [ 81.153242][ T4964] el0t_64_sync_handler+0xcc/0xe4 [ 81.154611][ T4964] el0t_64_sync+0x1a0/0x1a4 [ 81.156771][ T4964] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 81.164613][ T4965] block nbd0: shutting down sockets [ 81.306125][ T4967] FAULT_INJECTION: forcing a failure. [ 81.306125][ T4967] name failslab, interval 1, probability 0, space 0, times 0 [ 81.309762][ T4967] CPU: 1 PID: 4967 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 81.312499][ T4967] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 81.315304][ T4967] Call trace: [ 81.316199][ T4967] dump_backtrace+0x0/0x43c [ 81.317517][ T4967] show_stack+0x2c/0x3c [ 81.318658][ T4967] __dump_stack+0x30/0x40 [ 81.319820][ T4967] dump_stack_lvl+0xf8/0x160 [ 81.321119][ T4967] dump_stack+0x1c/0x5c [ 81.322266][ T4967] should_fail+0x3c0/0x51c [ 81.323538][ T4967] __should_failslab+0xbc/0x10c [ 81.324924][ T4967] should_failslab+0x10/0x28 [ 81.326216][ T4967] slab_pre_alloc_hook+0x64/0xec [ 81.327592][ T4967] __kmalloc_node+0xb8/0x520 [ 81.328779][ T4967] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 81.330228][ T4967] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 81.331827][ T4967] nbd_start_device+0x14c/0xb40 [ 81.333224][ T4967] nbd_ioctl+0x514/0xc50 [ 81.334429][ T4967] blkdev_ioctl+0x5f8/0xbb8 [ 81.335800][ T4967] block_ioctl+0xa4/0x118 [ 81.337027][ T4967] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.338461][ T4967] invoke_syscall+0x98/0x2b8 [ 81.339788][ T4967] el0_svc_common+0x138/0x258 [ 81.341098][ T4967] do_el0_svc+0x58/0x14c [ 81.342259][ T4967] el0_svc+0x78/0x1e0 [ 81.343400][ T4967] el0t_64_sync_handler+0xcc/0xe4 [ 81.344866][ T4967] el0t_64_sync+0x1a0/0x1a4 [ 81.346389][ T4967] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 81.353474][ T4968] block nbd0: shutting down sockets [ 81.486203][ T4970] FAULT_INJECTION: forcing a failure. [ 81.486203][ T4970] name failslab, interval 1, probability 0, space 0, times 0 [ 81.489756][ T4970] CPU: 0 PID: 4970 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 81.492594][ T4970] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 81.495350][ T4970] Call trace: [ 81.496208][ T4970] dump_backtrace+0x0/0x43c [ 81.497466][ T4970] show_stack+0x2c/0x3c [ 81.498629][ T4970] __dump_stack+0x30/0x40 [ 81.499848][ T4970] dump_stack_lvl+0xf8/0x160 [ 81.501124][ T4970] dump_stack+0x1c/0x5c [ 81.502325][ T4970] should_fail+0x3c0/0x51c [ 81.503502][ T4970] __should_failslab+0xbc/0x10c [ 81.504854][ T4970] should_failslab+0x10/0x28 [ 81.506138][ T4970] slab_pre_alloc_hook+0x64/0xec [ 81.507517][ T4970] __kmalloc_node+0xb8/0x520 [ 81.508767][ T4970] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 81.510200][ T4970] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 81.511756][ T4970] nbd_start_device+0x14c/0xb40 [ 81.513101][ T4970] nbd_ioctl+0x514/0xc50 [ 81.514221][ T4970] blkdev_ioctl+0x5f8/0xbb8 [ 81.515457][ T4970] block_ioctl+0xa4/0x118 [ 81.516683][ T4970] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.517993][ T4970] invoke_syscall+0x98/0x2b8 [ 81.519324][ T4970] el0_svc_common+0x138/0x258 [ 81.520601][ T4970] do_el0_svc+0x58/0x14c [ 81.521771][ T4970] el0_svc+0x78/0x1e0 [ 81.522875][ T4970] el0t_64_sync_handler+0xcc/0xe4 [ 81.524199][ T4970] el0t_64_sync+0x1a0/0x1a4 [ 81.525678][ T4970] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 81.530853][ T4971] block nbd0: shutting down sockets [ 81.666011][ T4973] FAULT_INJECTION: forcing a failure. [ 81.666011][ T4973] name failslab, interval 1, probability 0, space 0, times 0 [ 81.669481][ T4973] CPU: 0 PID: 4973 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 81.672349][ T4973] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 81.675049][ T4973] Call trace: [ 81.675901][ T4973] dump_backtrace+0x0/0x43c [ 81.677154][ T4973] show_stack+0x2c/0x3c [ 81.678325][ T4973] __dump_stack+0x30/0x40 [ 81.679548][ T4973] dump_stack_lvl+0xf8/0x160 [ 81.680810][ T4973] dump_stack+0x1c/0x5c [ 81.681901][ T4973] should_fail+0x3c0/0x51c [ 81.683165][ T4973] __should_failslab+0xbc/0x10c [ 81.684490][ T4973] should_failslab+0x10/0x28 [ 81.685807][ T4973] slab_pre_alloc_hook+0x64/0xec [ 81.687195][ T4973] __kmalloc_node+0xb8/0x520 [ 81.688716][ T4973] blk_mq_update_nr_hw_queues+0x54c/0xbfc [ 81.690266][ T4973] nbd_start_device+0x14c/0xb40 [ 81.691585][ T4973] nbd_ioctl+0x514/0xc50 [ 81.692774][ T4973] blkdev_ioctl+0x5f8/0xbb8 [ 81.694031][ T4973] block_ioctl+0xa4/0x118 [ 81.695186][ T4973] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.696640][ T4973] invoke_syscall+0x98/0x2b8 [ 81.697929][ T4973] el0_svc_common+0x138/0x258 [ 81.699223][ T4973] do_el0_svc+0x58/0x14c [ 81.700418][ T4973] el0_svc+0x78/0x1e0 [ 81.701526][ T4973] el0t_64_sync_handler+0xcc/0xe4 [ 81.702920][ T4973] el0t_64_sync+0x1a0/0x1a4 [ 81.708469][ T4974] block nbd0: shutting down sockets [ 81.867354][ T4976] FAULT_INJECTION: forcing a failure. [ 81.867354][ T4976] name failslab, interval 1, probability 0, space 0, times 0 [ 81.870961][ T4976] CPU: 1 PID: 4976 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 81.873712][ T4976] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 81.876439][ T4976] Call trace: [ 81.877355][ T4976] dump_backtrace+0x0/0x43c [ 81.878583][ T4976] show_stack+0x2c/0x3c [ 81.879736][ T4976] __dump_stack+0x30/0x40 [ 81.880913][ T4976] dump_stack_lvl+0xf8/0x160 [ 81.882167][ T4976] dump_stack+0x1c/0x5c [ 81.883300][ T4976] should_fail+0x3c0/0x51c [ 81.884507][ T4976] __should_failslab+0xbc/0x10c [ 81.885864][ T4976] should_failslab+0x10/0x28 [ 81.887195][ T4976] slab_pre_alloc_hook+0x64/0xec [ 81.888601][ T4976] __kmalloc_node+0xb8/0x520 [ 81.889839][ T4976] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 81.891357][ T4976] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 81.892951][ T4976] nbd_start_device+0x14c/0xb40 [ 81.894261][ T4976] nbd_ioctl+0x514/0xc50 [ 81.895399][ T4976] blkdev_ioctl+0x5f8/0xbb8 [ 81.896660][ T4976] block_ioctl+0xa4/0x118 [ 81.897868][ T4976] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.899338][ T4976] invoke_syscall+0x98/0x2b8 [ 81.900654][ T4976] el0_svc_common+0x138/0x258 [ 81.902006][ T4976] do_el0_svc+0x58/0x14c [ 81.903136][ T4976] el0_svc+0x78/0x1e0 [ 81.904284][ T4976] el0t_64_sync_handler+0xcc/0xe4 [ 81.905750][ T4976] el0t_64_sync+0x1a0/0x1a4 [ 81.907165][ T4976] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 81.914896][ T4977] block nbd0: shutting down sockets [ 82.046436][ T4980] FAULT_INJECTION: forcing a failure. [ 82.046436][ T4980] name failslab, interval 1, probability 0, space 0, times 0 [ 82.049901][ T4980] CPU: 1 PID: 4980 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 82.052643][ T4980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 82.055398][ T4980] Call trace: [ 82.056274][ T4980] dump_backtrace+0x0/0x43c [ 82.057569][ T4980] show_stack+0x2c/0x3c [ 82.058799][ T4980] __dump_stack+0x30/0x40 [ 82.060014][ T4980] dump_stack_lvl+0xf8/0x160 [ 82.061360][ T4980] dump_stack+0x1c/0x5c [ 82.062564][ T4980] should_fail+0x3c0/0x51c [ 82.063733][ T4980] __should_failslab+0xbc/0x10c [ 82.065079][ T4980] should_failslab+0x10/0x28 [ 82.066371][ T4980] slab_pre_alloc_hook+0x64/0xec [ 82.067706][ T4980] __kmalloc_node+0xb8/0x520 [ 82.069003][ T4980] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 82.070513][ T4980] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 82.072155][ T4980] nbd_start_device+0x14c/0xb40 [ 82.073484][ T4980] nbd_ioctl+0x514/0xc50 [ 82.074710][ T4980] blkdev_ioctl+0x5f8/0xbb8 [ 82.075991][ T4980] block_ioctl+0xa4/0x118 [ 82.077198][ T4980] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.078609][ T4980] invoke_syscall+0x98/0x2b8 [ 82.079838][ T4980] el0_svc_common+0x138/0x258 [ 82.081179][ T4980] do_el0_svc+0x58/0x14c [ 82.082436][ T4980] el0_svc+0x78/0x1e0 [ 82.083550][ T4980] el0t_64_sync_handler+0xcc/0xe4 [ 82.084976][ T4980] el0t_64_sync+0x1a0/0x1a4 [ 82.087041][ T4980] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 82.094576][ T4981] block nbd0: shutting down sockets [ 82.236125][ T4984] FAULT_INJECTION: forcing a failure. [ 82.236125][ T4984] name failslab, interval 1, probability 0, space 0, times 0 [ 82.239657][ T4984] CPU: 0 PID: 4984 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 82.242397][ T4984] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 82.245168][ T4984] Call trace: [ 82.246178][ T4984] dump_backtrace+0x0/0x43c [ 82.247414][ T4984] show_stack+0x2c/0x3c [ 82.248626][ T4984] __dump_stack+0x30/0x40 [ 82.249797][ T4984] dump_stack_lvl+0xf8/0x160 [ 82.251043][ T4984] dump_stack+0x1c/0x5c [ 82.252162][ T4984] should_fail+0x3c0/0x51c [ 82.253444][ T4984] __should_failslab+0xbc/0x10c [ 82.254807][ T4984] should_failslab+0x10/0x28 [ 82.256085][ T4984] slab_pre_alloc_hook+0x64/0xec [ 82.257488][ T4984] __kmalloc_node+0xb8/0x520 [ 82.258825][ T4984] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 82.260355][ T4984] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 82.261924][ T4984] nbd_start_device+0x14c/0xb40 [ 82.263203][ T4984] nbd_ioctl+0x514/0xc50 [ 82.264434][ T4984] blkdev_ioctl+0x5f8/0xbb8 [ 82.265712][ T4984] block_ioctl+0xa4/0x118 [ 82.266930][ T4984] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.268261][ T4984] invoke_syscall+0x98/0x2b8 [ 82.269545][ T4984] el0_svc_common+0x138/0x258 [ 82.270867][ T4984] do_el0_svc+0x58/0x14c [ 82.272012][ T4984] el0_svc+0x78/0x1e0 [ 82.273168][ T4984] el0t_64_sync_handler+0xcc/0xe4 [ 82.274549][ T4984] el0t_64_sync+0x1a0/0x1a4 [ 82.276081][ T4984] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 82.281209][ T4985] block nbd0: shutting down sockets [ 82.426567][ T4988] FAULT_INJECTION: forcing a failure. [ 82.426567][ T4988] name failslab, interval 1, probability 0, space 0, times 0 [ 82.430323][ T4988] CPU: 1 PID: 4988 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 82.433030][ T4988] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 82.435788][ T4988] Call trace: [ 82.436640][ T4988] dump_backtrace+0x0/0x43c [ 82.437875][ T4988] show_stack+0x2c/0x3c [ 82.439003][ T4988] __dump_stack+0x30/0x40 [ 82.440209][ T4988] dump_stack_lvl+0xf8/0x160 [ 82.441480][ T4988] dump_stack+0x1c/0x5c [ 82.442751][ T4988] should_fail+0x3c0/0x51c [ 82.444026][ T4988] __should_failslab+0xbc/0x10c [ 82.445366][ T4988] should_failslab+0x10/0x28 [ 82.446583][ T4988] slab_pre_alloc_hook+0x64/0xec [ 82.447894][ T4988] __kmalloc_node+0xb8/0x520 [ 82.449158][ T4988] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 82.450585][ T4988] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 82.452105][ T4988] nbd_start_device+0x14c/0xb40 [ 82.453510][ T4988] nbd_ioctl+0x514/0xc50 [ 82.454813][ T4988] blkdev_ioctl+0x5f8/0xbb8 [ 82.456100][ T4988] block_ioctl+0xa4/0x118 [ 82.457304][ T4988] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.458673][ T4988] invoke_syscall+0x98/0x2b8 [ 82.459914][ T4988] el0_svc_common+0x138/0x258 [ 82.461198][ T4988] do_el0_svc+0x58/0x14c [ 82.462373][ T4988] el0_svc+0x78/0x1e0 [ 82.463416][ T4988] el0t_64_sync_handler+0xcc/0xe4 [ 82.464801][ T4988] el0t_64_sync+0x1a0/0x1a4 [ 82.467345][ T4988] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 82.473037][ T4989] block nbd0: shutting down sockets [ 82.605977][ T4991] FAULT_INJECTION: forcing a failure. [ 82.605977][ T4991] name failslab, interval 1, probability 0, space 0, times 0 [ 82.609474][ T4991] CPU: 0 PID: 4991 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 82.612080][ T4991] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 82.614939][ T4991] Call trace: [ 82.615838][ T4991] dump_backtrace+0x0/0x43c [ 82.617148][ T4991] show_stack+0x2c/0x3c [ 82.618333][ T4991] __dump_stack+0x30/0x40 [ 82.619493][ T4991] dump_stack_lvl+0xf8/0x160 [ 82.620851][ T4991] dump_stack+0x1c/0x5c [ 82.622022][ T4991] should_fail+0x3c0/0x51c [ 82.623232][ T4991] __should_failslab+0xbc/0x10c [ 82.624579][ T4991] should_failslab+0x10/0x28 [ 82.625883][ T4991] slab_pre_alloc_hook+0x64/0xec [ 82.627282][ T4991] __kmalloc_node+0xb8/0x520 [ 82.628591][ T4991] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 82.630111][ T4991] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 82.631670][ T4991] nbd_start_device+0x14c/0xb40 [ 82.632985][ T4991] nbd_ioctl+0x514/0xc50 [ 82.634173][ T4991] blkdev_ioctl+0x5f8/0xbb8 [ 82.635404][ T4991] block_ioctl+0xa4/0x118 [ 82.636594][ T4991] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.637919][ T4991] invoke_syscall+0x98/0x2b8 [ 82.639147][ T4991] el0_svc_common+0x138/0x258 [ 82.640400][ T4991] do_el0_svc+0x58/0x14c [ 82.641563][ T4991] el0_svc+0x78/0x1e0 [ 82.642687][ T4991] el0t_64_sync_handler+0xcc/0xe4 [ 82.644077][ T4991] el0t_64_sync+0x1a0/0x1a4 [ 82.647712][ T4991] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 82.660045][ T4992] block nbd0: shutting down sockets 1970/01/01 00:01:22 executed programs: 101 [ 82.826100][ T4994] FAULT_INJECTION: forcing a failure. [ 82.826100][ T4994] name failslab, interval 1, probability 0, space 0, times 0 [ 82.829703][ T4994] CPU: 0 PID: 4994 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 82.832444][ T4994] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 82.835318][ T4994] Call trace: [ 82.836307][ T4994] dump_backtrace+0x0/0x43c [ 82.837559][ T4994] show_stack+0x2c/0x3c [ 82.838694][ T4994] __dump_stack+0x30/0x40 [ 82.839927][ T4994] dump_stack_lvl+0xf8/0x160 [ 82.841240][ T4994] dump_stack+0x1c/0x5c [ 82.842400][ T4994] should_fail+0x3c0/0x51c [ 82.843565][ T4994] __should_failslab+0xbc/0x10c [ 82.844911][ T4994] should_failslab+0x10/0x28 [ 82.846307][ T4994] slab_pre_alloc_hook+0x64/0xec [ 82.847646][ T4994] __kmalloc_node+0xb8/0x520 [ 82.848957][ T4994] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 82.850382][ T4994] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 82.851915][ T4994] nbd_start_device+0x14c/0xb40 [ 82.853197][ T4994] nbd_ioctl+0x514/0xc50 [ 82.854424][ T4994] blkdev_ioctl+0x5f8/0xbb8 [ 82.855688][ T4994] block_ioctl+0xa4/0x118 [ 82.856859][ T4994] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.858153][ T4994] invoke_syscall+0x98/0x2b8 [ 82.859467][ T4994] el0_svc_common+0x138/0x258 [ 82.860736][ T4994] do_el0_svc+0x58/0x14c [ 82.861854][ T4994] el0_svc+0x78/0x1e0 [ 82.862946][ T4994] el0t_64_sync_handler+0xcc/0xe4 [ 82.864383][ T4994] el0t_64_sync+0x1a0/0x1a4 [ 82.865822][ T4994] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 82.870829][ T4995] block nbd0: shutting down sockets [ 83.056457][ T4997] FAULT_INJECTION: forcing a failure. [ 83.056457][ T4997] name failslab, interval 1, probability 0, space 0, times 0 [ 83.059952][ T4997] CPU: 1 PID: 4997 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 83.062649][ T4997] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 83.065474][ T4997] Call trace: [ 83.066363][ T4997] dump_backtrace+0x0/0x43c [ 83.067597][ T4997] show_stack+0x2c/0x3c [ 83.068729][ T4997] __dump_stack+0x30/0x40 [ 83.069929][ T4997] dump_stack_lvl+0xf8/0x160 [ 83.071241][ T4997] dump_stack+0x1c/0x5c [ 83.072433][ T4997] should_fail+0x3c0/0x51c [ 83.073772][ T4997] __should_failslab+0xbc/0x10c [ 83.075186][ T4997] should_failslab+0x10/0x28 [ 83.076462][ T4997] slab_pre_alloc_hook+0x64/0xec [ 83.077761][ T4997] __kmalloc_node+0xb8/0x520 [ 83.079024][ T4997] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 83.080492][ T4997] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 83.082041][ T4997] nbd_start_device+0x14c/0xb40 [ 83.083375][ T4997] nbd_ioctl+0x514/0xc50 [ 83.084605][ T4997] blkdev_ioctl+0x5f8/0xbb8 [ 83.085836][ T4997] block_ioctl+0xa4/0x118 [ 83.087049][ T4997] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.088417][ T4997] invoke_syscall+0x98/0x2b8 [ 83.089747][ T4997] el0_svc_common+0x138/0x258 [ 83.091049][ T4997] do_el0_svc+0x58/0x14c [ 83.092289][ T4997] el0_svc+0x78/0x1e0 [ 83.093424][ T4997] el0t_64_sync_handler+0xcc/0xe4 [ 83.094853][ T4997] el0t_64_sync+0x1a0/0x1a4 [ 83.097329][ T4997] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 83.109168][ T4999] block nbd0: shutting down sockets [ 83.256062][ T5002] FAULT_INJECTION: forcing a failure. [ 83.256062][ T5002] name failslab, interval 1, probability 0, space 0, times 0 [ 83.259511][ T5002] CPU: 0 PID: 5002 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 83.262141][ T5002] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 83.264966][ T5002] Call trace: [ 83.265860][ T5002] dump_backtrace+0x0/0x43c [ 83.267132][ T5002] show_stack+0x2c/0x3c [ 83.268236][ T5002] __dump_stack+0x30/0x40 [ 83.269441][ T5002] dump_stack_lvl+0xf8/0x160 [ 83.270716][ T5002] dump_stack+0x1c/0x5c [ 83.271856][ T5002] should_fail+0x3c0/0x51c [ 83.273078][ T5002] __should_failslab+0xbc/0x10c [ 83.274389][ T5002] should_failslab+0x10/0x28 [ 83.275597][ T5002] slab_pre_alloc_hook+0x64/0xec [ 83.276934][ T5002] __kmalloc_node+0xb8/0x520 [ 83.278152][ T5002] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 83.279610][ T5002] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 83.281156][ T5002] nbd_start_device+0x14c/0xb40 [ 83.282476][ T5002] nbd_ioctl+0x514/0xc50 [ 83.283582][ T5002] blkdev_ioctl+0x5f8/0xbb8 [ 83.284811][ T5002] block_ioctl+0xa4/0x118 [ 83.285998][ T5002] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.287305][ T5002] invoke_syscall+0x98/0x2b8 [ 83.288512][ T5002] el0_svc_common+0x138/0x258 [ 83.289745][ T5002] do_el0_svc+0x58/0x14c [ 83.290867][ T5002] el0_svc+0x78/0x1e0 [ 83.291925][ T5002] el0t_64_sync_handler+0xcc/0xe4 [ 83.293289][ T5002] el0t_64_sync+0x1a0/0x1a4 [ 83.294761][ T5002] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 83.299488][ T5003] block nbd0: shutting down sockets [ 83.446031][ T5005] FAULT_INJECTION: forcing a failure. [ 83.446031][ T5005] name failslab, interval 1, probability 0, space 0, times 0 [ 83.449392][ T5005] CPU: 0 PID: 5005 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 83.452054][ T5005] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 83.454756][ T5005] Call trace: [ 83.455617][ T5005] dump_backtrace+0x0/0x43c [ 83.456805][ T5005] show_stack+0x2c/0x3c [ 83.457932][ T5005] __dump_stack+0x30/0x40 [ 83.459105][ T5005] dump_stack_lvl+0xf8/0x160 [ 83.460433][ T5005] dump_stack+0x1c/0x5c [ 83.461594][ T5005] should_fail+0x3c0/0x51c [ 83.462841][ T5005] __should_failslab+0xbc/0x10c [ 83.464158][ T5005] should_failslab+0x10/0x28 [ 83.465400][ T5005] slab_pre_alloc_hook+0x64/0xec [ 83.466698][ T5005] __kmalloc_node+0xb8/0x520 [ 83.467879][ T5005] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 83.469382][ T5005] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 83.470948][ T5005] nbd_start_device+0x14c/0xb40 [ 83.472361][ T5005] nbd_ioctl+0x514/0xc50 [ 83.473491][ T5005] blkdev_ioctl+0x5f8/0xbb8 [ 83.474705][ T5005] block_ioctl+0xa4/0x118 [ 83.475807][ T5005] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.477228][ T5005] invoke_syscall+0x98/0x2b8 [ 83.478524][ T5005] el0_svc_common+0x138/0x258 [ 83.479779][ T5005] do_el0_svc+0x58/0x14c [ 83.480887][ T5005] el0_svc+0x78/0x1e0 [ 83.481978][ T5005] el0t_64_sync_handler+0xcc/0xe4 [ 83.483454][ T5005] el0t_64_sync+0x1a0/0x1a4 [ 83.485038][ T5005] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 83.490508][ T5007] block nbd0: shutting down sockets [ 83.646063][ T5010] FAULT_INJECTION: forcing a failure. [ 83.646063][ T5010] name failslab, interval 1, probability 0, space 0, times 0 [ 83.649574][ T5010] CPU: 1 PID: 5010 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 83.652317][ T5010] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 83.655217][ T5010] Call trace: [ 83.656127][ T5010] dump_backtrace+0x0/0x43c [ 83.657501][ T5010] show_stack+0x2c/0x3c [ 83.658628][ T5010] __dump_stack+0x30/0x40 [ 83.659859][ T5010] dump_stack_lvl+0xf8/0x160 [ 83.661190][ T5010] dump_stack+0x1c/0x5c [ 83.662316][ T5010] should_fail+0x3c0/0x51c [ 83.663513][ T5010] __should_failslab+0xbc/0x10c [ 83.664914][ T5010] should_failslab+0x10/0x28 [ 83.666148][ T5010] slab_pre_alloc_hook+0x64/0xec [ 83.667730][ T5010] __kmalloc_node+0xb8/0x520 [ 83.668997][ T5010] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 83.670547][ T5010] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 83.672091][ T5010] nbd_start_device+0x14c/0xb40 [ 83.673395][ T5010] nbd_ioctl+0x514/0xc50 [ 83.674586][ T5010] blkdev_ioctl+0x5f8/0xbb8 [ 83.675835][ T5010] block_ioctl+0xa4/0x118 [ 83.677027][ T5010] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.678655][ T5010] invoke_syscall+0x98/0x2b8 [ 83.679886][ T5010] el0_svc_common+0x138/0x258 [ 83.681197][ T5010] do_el0_svc+0x58/0x14c [ 83.682377][ T5010] el0_svc+0x78/0x1e0 [ 83.683451][ T5010] el0t_64_sync_handler+0xcc/0xe4 [ 83.684787][ T5010] el0t_64_sync+0x1a0/0x1a4 [ 83.686888][ T5010] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 83.693650][ T5009] block nbd0: shutting down sockets [ 83.806412][ T5013] FAULT_INJECTION: forcing a failure. [ 83.806412][ T5013] name failslab, interval 1, probability 0, space 0, times 0 [ 83.809824][ T5013] CPU: 0 PID: 5013 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 83.812441][ T5013] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 83.815192][ T5013] Call trace: [ 83.816073][ T5013] dump_backtrace+0x0/0x43c [ 83.817295][ T5013] show_stack+0x2c/0x3c [ 83.818460][ T5013] __dump_stack+0x30/0x40 [ 83.819680][ T5013] dump_stack_lvl+0xf8/0x160 [ 83.820958][ T5013] dump_stack+0x1c/0x5c [ 83.822112][ T5013] should_fail+0x3c0/0x51c [ 83.823356][ T5013] __should_failslab+0xbc/0x10c [ 83.824687][ T5013] should_failslab+0x10/0x28 [ 83.825916][ T5013] slab_pre_alloc_hook+0x64/0xec [ 83.827243][ T5013] __kmalloc_node+0xb8/0x520 [ 83.828573][ T5013] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 83.829983][ T5013] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 83.831510][ T5013] nbd_start_device+0x14c/0xb40 [ 83.832813][ T5013] nbd_ioctl+0x514/0xc50 [ 83.833989][ T5013] blkdev_ioctl+0x5f8/0xbb8 [ 83.835174][ T5013] block_ioctl+0xa4/0x118 [ 83.836436][ T5013] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.837803][ T5013] invoke_syscall+0x98/0x2b8 [ 83.839020][ T5013] el0_svc_common+0x138/0x258 [ 83.840310][ T5013] do_el0_svc+0x58/0x14c [ 83.841458][ T5013] el0_svc+0x78/0x1e0 [ 83.842586][ T5013] el0t_64_sync_handler+0xcc/0xe4 [ 83.843918][ T5013] el0t_64_sync+0x1a0/0x1a4 [ 83.845752][ T5013] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 83.850890][ T5014] block nbd0: shutting down sockets [ 84.006128][ T5017] FAULT_INJECTION: forcing a failure. [ 84.006128][ T5017] name failslab, interval 1, probability 0, space 0, times 0 [ 84.009681][ T5017] CPU: 1 PID: 5017 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 84.012320][ T5017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 84.014998][ T5017] Call trace: [ 84.015914][ T5017] dump_backtrace+0x0/0x43c [ 84.017100][ T5017] show_stack+0x2c/0x3c [ 84.018215][ T5017] __dump_stack+0x30/0x40 [ 84.019429][ T5017] dump_stack_lvl+0xf8/0x160 [ 84.020747][ T5017] dump_stack+0x1c/0x5c [ 84.021895][ T5017] should_fail+0x3c0/0x51c [ 84.023115][ T5017] __should_failslab+0xbc/0x10c [ 84.024462][ T5017] should_failslab+0x10/0x28 [ 84.025796][ T5017] slab_pre_alloc_hook+0x64/0xec [ 84.027144][ T5017] __kmalloc_node+0xb8/0x520 [ 84.028353][ T5017] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 84.029841][ T5017] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 84.031515][ T5017] nbd_start_device+0x14c/0xb40 [ 84.032851][ T5017] nbd_ioctl+0x514/0xc50 [ 84.034009][ T5017] blkdev_ioctl+0x5f8/0xbb8 [ 84.035233][ T5017] block_ioctl+0xa4/0x118 [ 84.036445][ T5017] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.037811][ T5017] invoke_syscall+0x98/0x2b8 [ 84.039100][ T5017] el0_svc_common+0x138/0x258 [ 84.040328][ T5017] do_el0_svc+0x58/0x14c [ 84.041537][ T5017] el0_svc+0x78/0x1e0 [ 84.042652][ T5017] el0t_64_sync_handler+0xcc/0xe4 [ 84.044021][ T5017] el0t_64_sync+0x1a0/0x1a4 [ 84.046820][ T5017] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 84.051989][ T5019] block nbd0: shutting down sockets [ 84.226032][ T5023] FAULT_INJECTION: forcing a failure. [ 84.226032][ T5023] name failslab, interval 1, probability 0, space 0, times 0 [ 84.229573][ T5023] CPU: 0 PID: 5023 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 84.232197][ T5023] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 84.234979][ T5023] Call trace: [ 84.235866][ T5023] dump_backtrace+0x0/0x43c [ 84.237154][ T5023] show_stack+0x2c/0x3c [ 84.238339][ T5023] __dump_stack+0x30/0x40 [ 84.239549][ T5023] dump_stack_lvl+0xf8/0x160 [ 84.240849][ T5023] dump_stack+0x1c/0x5c [ 84.241996][ T5023] should_fail+0x3c0/0x51c [ 84.243213][ T5023] __should_failslab+0xbc/0x10c [ 84.244529][ T5023] should_failslab+0x10/0x28 [ 84.245740][ T5023] slab_pre_alloc_hook+0x64/0xec [ 84.247135][ T5023] __kmalloc_node+0xb8/0x520 [ 84.248469][ T5023] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 84.249976][ T5023] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 84.251533][ T5023] nbd_start_device+0x14c/0xb40 [ 84.252856][ T5023] nbd_ioctl+0x514/0xc50 [ 84.254065][ T5023] blkdev_ioctl+0x5f8/0xbb8 [ 84.255290][ T5023] block_ioctl+0xa4/0x118 [ 84.256536][ T5023] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.257902][ T5023] invoke_syscall+0x98/0x2b8 [ 84.259174][ T5023] el0_svc_common+0x138/0x258 [ 84.260635][ T5023] do_el0_svc+0x58/0x14c [ 84.261754][ T5023] el0_svc+0x78/0x1e0 [ 84.262870][ T5023] el0t_64_sync_handler+0xcc/0xe4 [ 84.264232][ T5023] el0t_64_sync+0x1a0/0x1a4 [ 84.265928][ T5023] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 84.271343][ T5021] block nbd0: shutting down sockets [ 84.456003][ T5026] FAULT_INJECTION: forcing a failure. [ 84.456003][ T5026] name failslab, interval 1, probability 0, space 0, times 0 [ 84.459547][ T5026] CPU: 0 PID: 5026 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 84.462143][ T5026] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 84.464893][ T5026] Call trace: [ 84.465796][ T5026] dump_backtrace+0x0/0x43c [ 84.467022][ T5026] show_stack+0x2c/0x3c [ 84.468122][ T5026] __dump_stack+0x30/0x40 [ 84.469461][ T5026] dump_stack_lvl+0xf8/0x160 [ 84.470749][ T5026] dump_stack+0x1c/0x5c [ 84.471874][ T5026] should_fail+0x3c0/0x51c [ 84.473103][ T5026] __should_failslab+0xbc/0x10c [ 84.474419][ T5026] should_failslab+0x10/0x28 [ 84.475720][ T5026] slab_pre_alloc_hook+0x64/0xec [ 84.477058][ T5026] __kmalloc_node+0xb8/0x520 [ 84.478349][ T5026] blk_mq_update_nr_hw_queues+0x54c/0xbfc [ 84.479918][ T5026] nbd_start_device+0x14c/0xb40 [ 84.481289][ T5026] nbd_ioctl+0x514/0xc50 [ 84.482452][ T5026] blkdev_ioctl+0x5f8/0xbb8 [ 84.483708][ T5026] block_ioctl+0xa4/0x118 [ 84.484888][ T5026] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.486276][ T5026] invoke_syscall+0x98/0x2b8 [ 84.487530][ T5026] el0_svc_common+0x138/0x258 [ 84.488850][ T5026] do_el0_svc+0x58/0x14c [ 84.490015][ T5026] el0_svc+0x78/0x1e0 [ 84.491123][ T5026] el0t_64_sync_handler+0xcc/0xe4 [ 84.492477][ T5026] el0t_64_sync+0x1a0/0x1a4 [ 84.498837][ T5027] block nbd0: shutting down sockets [ 84.636566][ T5030] FAULT_INJECTION: forcing a failure. [ 84.636566][ T5030] name failslab, interval 1, probability 0, space 0, times 0 [ 84.640086][ T5030] CPU: 1 PID: 5030 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 84.642832][ T5030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 84.645652][ T5030] Call trace: [ 84.646566][ T5030] dump_backtrace+0x0/0x43c [ 84.647728][ T5030] show_stack+0x2c/0x3c [ 84.648850][ T5030] __dump_stack+0x30/0x40 [ 84.650103][ T5030] dump_stack_lvl+0xf8/0x160 [ 84.651356][ T5030] dump_stack+0x1c/0x5c [ 84.652477][ T5030] should_fail+0x3c0/0x51c [ 84.653663][ T5030] __should_failslab+0xbc/0x10c [ 84.654999][ T5030] should_failslab+0x10/0x28 [ 84.656229][ T5030] slab_pre_alloc_hook+0x64/0xec [ 84.657587][ T5030] __kmalloc_node+0xb8/0x520 [ 84.658851][ T5030] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 84.660361][ T5030] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 84.661956][ T5030] nbd_start_device+0x14c/0xb40 [ 84.663270][ T5030] nbd_ioctl+0x514/0xc50 [ 84.664484][ T5030] blkdev_ioctl+0x5f8/0xbb8 [ 84.665816][ T5030] block_ioctl+0xa4/0x118 [ 84.666999][ T5030] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.668348][ T5030] invoke_syscall+0x98/0x2b8 [ 84.669637][ T5030] el0_svc_common+0x138/0x258 [ 84.670940][ T5030] do_el0_svc+0x58/0x14c [ 84.672107][ T5030] el0_svc+0x78/0x1e0 [ 84.673199][ T5030] el0t_64_sync_handler+0xcc/0xe4 [ 84.674596][ T5030] el0t_64_sync+0x1a0/0x1a4 [ 84.676543][ T5030] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 84.681514][ T5032] block nbd0: shutting down sockets [ 84.846035][ T5035] FAULT_INJECTION: forcing a failure. [ 84.846035][ T5035] name failslab, interval 1, probability 0, space 0, times 0 [ 84.849603][ T5035] CPU: 1 PID: 5035 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 84.852509][ T5035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 84.855194][ T5035] Call trace: [ 84.856063][ T5035] dump_backtrace+0x0/0x43c [ 84.857291][ T5035] show_stack+0x2c/0x3c [ 84.858475][ T5035] __dump_stack+0x30/0x40 [ 84.859672][ T5035] dump_stack_lvl+0xf8/0x160 [ 84.860931][ T5035] dump_stack+0x1c/0x5c [ 84.862076][ T5035] should_fail+0x3c0/0x51c [ 84.863354][ T5035] __should_failslab+0xbc/0x10c [ 84.864704][ T5035] should_failslab+0x10/0x28 [ 84.865943][ T5035] slab_pre_alloc_hook+0x64/0xec [ 84.867279][ T5035] __kmalloc_node+0xb8/0x520 [ 84.868591][ T5035] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 84.870102][ T5035] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 84.871654][ T5035] nbd_start_device+0x14c/0xb40 [ 84.872933][ T5035] nbd_ioctl+0x514/0xc50 [ 84.874065][ T5035] blkdev_ioctl+0x5f8/0xbb8 [ 84.875299][ T5035] block_ioctl+0xa4/0x118 [ 84.876451][ T5035] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.877766][ T5035] invoke_syscall+0x98/0x2b8 [ 84.878992][ T5035] el0_svc_common+0x138/0x258 [ 84.880260][ T5035] do_el0_svc+0x58/0x14c [ 84.881441][ T5035] el0_svc+0x78/0x1e0 [ 84.882503][ T5035] el0t_64_sync_handler+0xcc/0xe4 [ 84.883872][ T5035] el0t_64_sync+0x1a0/0x1a4 [ 84.885460][ T5035] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 84.891043][ T5036] block nbd0: shutting down sockets [ 85.032137][ T5039] block nbd0: Device being setup by another task [ 85.034199][ T5038] FAULT_INJECTION: forcing a failure. [ 85.034199][ T5038] name failslab, interval 1, probability 0, space 0, times 0 [ 85.037756][ T5038] CPU: 0 PID: 5038 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 85.040333][ T5038] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 85.043059][ T5038] Call trace: [ 85.043914][ T5038] dump_backtrace+0x0/0x43c [ 85.045184][ T5038] show_stack+0x2c/0x3c [ 85.046305][ T5038] __dump_stack+0x30/0x40 [ 85.047480][ T5038] dump_stack_lvl+0xf8/0x160 [ 85.048754][ T5038] dump_stack+0x1c/0x5c [ 85.049880][ T5038] should_fail+0x3c0/0x51c [ 85.051145][ T5038] __should_failslab+0xbc/0x10c [ 85.052503][ T5038] should_failslab+0x10/0x28 [ 85.053746][ T5038] slab_pre_alloc_hook+0x64/0xec [ 85.055106][ T5038] kmem_cache_alloc+0x94/0x3e4 [ 85.056412][ T5038] new_inode_pseudo+0x10c/0x1fc [ 85.057728][ T5038] new_inode+0x38/0x174 [ 85.058870][ T5038] debugfs_create_dir+0xec/0x3f4 [ 85.060282][ T5038] nbd_start_device+0x3c8/0xb40 [ 85.061610][ T5038] nbd_ioctl+0x514/0xc50 [ 85.062765][ T5038] blkdev_ioctl+0x5f8/0xbb8 [ 85.064062][ T5038] block_ioctl+0xa4/0x118 [ 85.065240][ T5038] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.066615][ T5038] invoke_syscall+0x98/0x2b8 [ 85.067815][ T5038] el0_svc_common+0x138/0x258 [ 85.069192][ T5038] do_el0_svc+0x58/0x14c [ 85.070375][ T5038] el0_svc+0x78/0x1e0 [ 85.071449][ T5038] el0t_64_sync_handler+0xcc/0xe4 [ 85.072833][ T5038] el0t_64_sync+0x1a0/0x1a4 [ 85.075914][ T5038] debugfs: out of free dentries, can not create directory 'nbd0' [ 85.078038][ T5038] block nbd0: Failed to create debugfs dir for 'nbd0' [ 85.083334][ T5039] block nbd0: shutting down sockets [ 85.237218][ T5041] FAULT_INJECTION: forcing a failure. [ 85.237218][ T5041] name failslab, interval 1, probability 0, space 0, times 0 [ 85.241001][ T5041] CPU: 0 PID: 5041 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 85.243722][ T5041] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 85.246457][ T5041] Call trace: [ 85.247316][ T5041] dump_backtrace+0x0/0x43c [ 85.248618][ T5041] show_stack+0x2c/0x3c [ 85.249723][ T5041] __dump_stack+0x30/0x40 [ 85.250897][ T5041] dump_stack_lvl+0xf8/0x160 [ 85.252097][ T5041] dump_stack+0x1c/0x5c [ 85.253225][ T5041] should_fail+0x3c0/0x51c [ 85.254495][ T5041] __should_failslab+0xbc/0x10c [ 85.255841][ T5041] should_failslab+0x10/0x28 [ 85.257116][ T5041] slab_pre_alloc_hook+0x64/0xec [ 85.258411][ T5041] __kmalloc_node+0xb8/0x520 [ 85.259664][ T5041] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 85.261123][ T5041] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 85.262671][ T5041] nbd_start_device+0x14c/0xb40 [ 85.263979][ T5041] nbd_ioctl+0x514/0xc50 [ 85.265122][ T5041] blkdev_ioctl+0x5f8/0xbb8 [ 85.266358][ T5041] block_ioctl+0xa4/0x118 [ 85.267602][ T5041] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.268972][ T5041] invoke_syscall+0x98/0x2b8 [ 85.270223][ T5041] el0_svc_common+0x138/0x258 [ 85.271481][ T5041] do_el0_svc+0x58/0x14c [ 85.272611][ T5041] el0_svc+0x78/0x1e0 [ 85.273671][ T5041] el0t_64_sync_handler+0xcc/0xe4 [ 85.275026][ T5041] el0t_64_sync+0x1a0/0x1a4 [ 85.277746][ T5041] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 85.284883][ T5043] block nbd0: shutting down sockets [ 85.435973][ T5045] FAULT_INJECTION: forcing a failure. [ 85.435973][ T5045] name failslab, interval 1, probability 0, space 0, times 0 [ 85.439569][ T5045] CPU: 0 PID: 5045 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 85.442279][ T5045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 85.445172][ T5045] Call trace: [ 85.446096][ T5045] dump_backtrace+0x0/0x43c [ 85.447357][ T5045] show_stack+0x2c/0x3c [ 85.448631][ T5045] __dump_stack+0x30/0x40 [ 85.449822][ T5045] dump_stack_lvl+0xf8/0x160 [ 85.451048][ T5045] dump_stack+0x1c/0x5c [ 85.452182][ T5045] should_fail+0x3c0/0x51c [ 85.453337][ T5045] __should_failslab+0xbc/0x10c [ 85.454674][ T5045] should_failslab+0x10/0x28 [ 85.455968][ T5045] slab_pre_alloc_hook+0x64/0xec [ 85.457302][ T5045] __kmalloc_node+0xb8/0x520 [ 85.458537][ T5045] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 85.459958][ T5045] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 85.461545][ T5045] nbd_start_device+0x14c/0xb40 [ 85.462929][ T5045] nbd_ioctl+0x514/0xc50 [ 85.464066][ T5045] blkdev_ioctl+0x5f8/0xbb8 [ 85.465341][ T5045] block_ioctl+0xa4/0x118 [ 85.466538][ T5045] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.467910][ T5045] invoke_syscall+0x98/0x2b8 [ 85.469134][ T5045] el0_svc_common+0x138/0x258 [ 85.470498][ T5045] do_el0_svc+0x58/0x14c [ 85.471658][ T5045] el0_svc+0x78/0x1e0 [ 85.472724][ T5045] el0t_64_sync_handler+0xcc/0xe4 [ 85.474136][ T5045] el0t_64_sync+0x1a0/0x1a4 [ 85.476924][ T5045] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 85.484674][ T5046] block nbd0: shutting down sockets [ 85.636022][ T5048] FAULT_INJECTION: forcing a failure. [ 85.636022][ T5048] name failslab, interval 1, probability 0, space 0, times 0 [ 85.639567][ T5048] CPU: 1 PID: 5048 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 85.642506][ T5048] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 85.645325][ T5048] Call trace: [ 85.646284][ T5048] dump_backtrace+0x0/0x43c [ 85.647556][ T5048] show_stack+0x2c/0x3c [ 85.648654][ T5048] __dump_stack+0x30/0x40 [ 85.649897][ T5048] dump_stack_lvl+0xf8/0x160 [ 85.651174][ T5048] dump_stack+0x1c/0x5c [ 85.652340][ T5048] should_fail+0x3c0/0x51c [ 85.653546][ T5048] __should_failslab+0xbc/0x10c [ 85.654886][ T5048] should_failslab+0x10/0x28 [ 85.656115][ T5048] slab_pre_alloc_hook+0x64/0xec [ 85.657538][ T5048] __kmalloc_node+0xb8/0x520 [ 85.658866][ T5048] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 85.660350][ T5048] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 85.661903][ T5048] nbd_start_device+0x14c/0xb40 [ 85.663223][ T5048] nbd_ioctl+0x514/0xc50 [ 85.664381][ T5048] blkdev_ioctl+0x5f8/0xbb8 [ 85.665640][ T5048] block_ioctl+0xa4/0x118 [ 85.666820][ T5048] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.668169][ T5048] invoke_syscall+0x98/0x2b8 [ 85.669422][ T5048] el0_svc_common+0x138/0x258 [ 85.670722][ T5048] do_el0_svc+0x58/0x14c [ 85.671871][ T5048] el0_svc+0x78/0x1e0 [ 85.672963][ T5048] el0t_64_sync_handler+0xcc/0xe4 [ 85.674356][ T5048] el0t_64_sync+0x1a0/0x1a4 [ 85.675801][ T5048] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 85.680868][ T5049] block nbd0: shutting down sockets [ 85.816149][ T5051] FAULT_INJECTION: forcing a failure. [ 85.816149][ T5051] name failslab, interval 1, probability 0, space 0, times 0 [ 85.819667][ T5051] CPU: 0 PID: 5051 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 85.822295][ T5051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 85.825064][ T5051] Call trace: [ 85.825925][ T5051] dump_backtrace+0x0/0x43c [ 85.827163][ T5051] show_stack+0x2c/0x3c [ 85.828298][ T5051] __dump_stack+0x30/0x40 [ 85.829469][ T5051] dump_stack_lvl+0xf8/0x160 [ 85.830709][ T5051] dump_stack+0x1c/0x5c [ 85.831819][ T5051] should_fail+0x3c0/0x51c [ 85.832964][ T5051] __should_failslab+0xbc/0x10c [ 85.834299][ T5051] should_failslab+0x10/0x28 [ 85.835625][ T5051] slab_pre_alloc_hook+0x64/0xec [ 85.837016][ T5051] __kmalloc_node+0xb8/0x520 [ 85.838309][ T5051] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 85.839898][ T5051] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 85.841518][ T5051] nbd_start_device+0x14c/0xb40 [ 85.842874][ T5051] nbd_ioctl+0x514/0xc50 [ 85.843885][ T5051] blkdev_ioctl+0x5f8/0xbb8 [ 85.845088][ T5051] block_ioctl+0xa4/0x118 [ 85.846268][ T5051] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.847638][ T5051] invoke_syscall+0x98/0x2b8 [ 85.848887][ T5051] el0_svc_common+0x138/0x258 [ 85.850162][ T5051] do_el0_svc+0x58/0x14c [ 85.851340][ T5051] el0_svc+0x78/0x1e0 [ 85.852365][ T5051] el0t_64_sync_handler+0xcc/0xe4 [ 85.853700][ T5051] el0t_64_sync+0x1a0/0x1a4 [ 85.856297][ T5051] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 85.861610][ T5052] block nbd0: shutting down sockets [ 86.026017][ T5055] FAULT_INJECTION: forcing a failure. [ 86.026017][ T5055] name failslab, interval 1, probability 0, space 0, times 0 [ 86.029462][ T5055] CPU: 1 PID: 5055 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 86.032211][ T5055] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 86.035093][ T5055] Call trace: [ 86.035963][ T5055] dump_backtrace+0x0/0x43c [ 86.037241][ T5055] show_stack+0x2c/0x3c [ 86.038354][ T5055] __dump_stack+0x30/0x40 [ 86.039605][ T5055] dump_stack_lvl+0xf8/0x160 [ 86.040856][ T5055] dump_stack+0x1c/0x5c [ 86.041998][ T5055] should_fail+0x3c0/0x51c [ 86.043181][ T5055] __should_failslab+0xbc/0x10c [ 86.044433][ T5055] should_failslab+0x10/0x28 [ 86.045739][ T5055] slab_pre_alloc_hook+0x64/0xec [ 86.047158][ T5055] __kmalloc_node+0xb8/0x520 [ 86.048438][ T5055] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 86.049963][ T5055] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 86.051566][ T5055] nbd_start_device+0x14c/0xb40 [ 86.052957][ T5055] nbd_ioctl+0x514/0xc50 [ 86.054141][ T5055] blkdev_ioctl+0x5f8/0xbb8 [ 86.055369][ T5055] block_ioctl+0xa4/0x118 [ 86.056661][ T5055] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.058009][ T5055] invoke_syscall+0x98/0x2b8 [ 86.059237][ T5055] el0_svc_common+0x138/0x258 [ 86.060505][ T5055] do_el0_svc+0x58/0x14c [ 86.061664][ T5055] el0_svc+0x78/0x1e0 [ 86.062780][ T5055] el0t_64_sync_handler+0xcc/0xe4 [ 86.064204][ T5055] el0t_64_sync+0x1a0/0x1a4 [ 86.067478][ T5055] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 86.073034][ T5054] block nbd0: shutting down sockets [ 86.226266][ T5059] FAULT_INJECTION: forcing a failure. [ 86.226266][ T5059] name failslab, interval 1, probability 0, space 0, times 0 [ 86.229785][ T5059] CPU: 0 PID: 5059 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 86.232503][ T5059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 86.235357][ T5059] Call trace: [ 86.236228][ T5059] dump_backtrace+0x0/0x43c [ 86.237450][ T5059] show_stack+0x2c/0x3c [ 86.238551][ T5059] __dump_stack+0x30/0x40 [ 86.239739][ T5059] dump_stack_lvl+0xf8/0x160 [ 86.241075][ T5059] dump_stack+0x1c/0x5c [ 86.242226][ T5059] should_fail+0x3c0/0x51c [ 86.243448][ T5059] __should_failslab+0xbc/0x10c [ 86.244831][ T5059] should_failslab+0x10/0x28 [ 86.246134][ T5059] slab_pre_alloc_hook+0x64/0xec [ 86.247487][ T5059] __kmalloc_node+0xb8/0x520 [ 86.248734][ T5059] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 86.250172][ T5059] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 86.251741][ T5059] nbd_start_device+0x14c/0xb40 [ 86.253102][ T5059] nbd_ioctl+0x514/0xc50 [ 86.254266][ T5059] blkdev_ioctl+0x5f8/0xbb8 [ 86.255518][ T5059] block_ioctl+0xa4/0x118 [ 86.256707][ T5059] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.258015][ T5059] invoke_syscall+0x98/0x2b8 [ 86.259283][ T5059] el0_svc_common+0x138/0x258 [ 86.260569][ T5059] do_el0_svc+0x58/0x14c [ 86.261731][ T5059] el0_svc+0x78/0x1e0 [ 86.262837][ T5059] el0t_64_sync_handler+0xcc/0xe4 [ 86.264185][ T5059] el0t_64_sync+0x1a0/0x1a4 [ 86.265582][ T5059] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 86.270517][ T5058] block nbd0: shutting down sockets [ 86.436079][ T5062] FAULT_INJECTION: forcing a failure. [ 86.436079][ T5062] name failslab, interval 1, probability 0, space 0, times 0 [ 86.439612][ T5062] CPU: 0 PID: 5062 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 86.442340][ T5062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 86.445097][ T5062] Call trace: [ 86.445957][ T5062] dump_backtrace+0x0/0x43c [ 86.447217][ T5062] show_stack+0x2c/0x3c [ 86.448367][ T5062] __dump_stack+0x30/0x40 [ 86.449553][ T5062] dump_stack_lvl+0xf8/0x160 [ 86.450819][ T5062] dump_stack+0x1c/0x5c [ 86.451927][ T5062] should_fail+0x3c0/0x51c [ 86.453180][ T5062] __should_failslab+0xbc/0x10c [ 86.454491][ T5062] should_failslab+0x10/0x28 [ 86.455752][ T5062] slab_pre_alloc_hook+0x64/0xec [ 86.457044][ T5062] __kmalloc_node+0xb8/0x520 [ 86.458305][ T5062] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 86.459838][ T5062] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 86.461390][ T5062] nbd_start_device+0x14c/0xb40 [ 86.462717][ T5062] nbd_ioctl+0x514/0xc50 [ 86.463890][ T5062] blkdev_ioctl+0x5f8/0xbb8 [ 86.465084][ T5062] block_ioctl+0xa4/0x118 [ 86.466288][ T5062] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.467615][ T5062] invoke_syscall+0x98/0x2b8 [ 86.468840][ T5062] el0_svc_common+0x138/0x258 [ 86.470155][ T5062] do_el0_svc+0x58/0x14c [ 86.471280][ T5062] el0_svc+0x78/0x1e0 [ 86.472399][ T5062] el0t_64_sync_handler+0xcc/0xe4 [ 86.473773][ T5062] el0t_64_sync+0x1a0/0x1a4 [ 86.475795][ T5062] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 86.481356][ T5063] block nbd0: shutting down sockets [ 86.626272][ T5065] FAULT_INJECTION: forcing a failure. [ 86.626272][ T5065] name failslab, interval 1, probability 0, space 0, times 0 [ 86.629780][ T5065] CPU: 0 PID: 5065 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 86.632626][ T5065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 86.635647][ T5065] Call trace: [ 86.636544][ T5065] dump_backtrace+0x0/0x43c [ 86.637816][ T5065] show_stack+0x2c/0x3c [ 86.639003][ T5065] __dump_stack+0x30/0x40 [ 86.640159][ T5065] dump_stack_lvl+0xf8/0x160 [ 86.641484][ T5065] dump_stack+0x1c/0x5c [ 86.642594][ T5065] should_fail+0x3c0/0x51c [ 86.643766][ T5065] __should_failslab+0xbc/0x10c [ 86.645101][ T5065] should_failslab+0x10/0x28 [ 86.646351][ T5065] slab_pre_alloc_hook+0x64/0xec [ 86.647707][ T5065] __kmalloc_node+0xb8/0x520 [ 86.648979][ T5065] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 86.650456][ T5065] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 86.652002][ T5065] nbd_start_device+0x14c/0xb40 [ 86.653323][ T5065] nbd_ioctl+0x514/0xc50 [ 86.654455][ T5065] blkdev_ioctl+0x5f8/0xbb8 [ 86.655628][ T5065] block_ioctl+0xa4/0x118 [ 86.656745][ T5065] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.658066][ T5065] invoke_syscall+0x98/0x2b8 [ 86.659330][ T5065] el0_svc_common+0x138/0x258 [ 86.660620][ T5065] do_el0_svc+0x58/0x14c [ 86.661745][ T5065] el0_svc+0x78/0x1e0 [ 86.662829][ T5065] el0t_64_sync_handler+0xcc/0xe4 [ 86.664243][ T5065] el0t_64_sync+0x1a0/0x1a4 [ 86.665646][ T5065] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 86.671202][ T5066] block nbd0: shutting down sockets [ 86.817812][ T5068] FAULT_INJECTION: forcing a failure. [ 86.817812][ T5068] name failslab, interval 1, probability 0, space 0, times 0 [ 86.821279][ T5068] CPU: 0 PID: 5068 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 86.824168][ T5068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 86.826958][ T5068] Call trace: [ 86.827834][ T5068] dump_backtrace+0x0/0x43c [ 86.829118][ T5068] show_stack+0x2c/0x3c [ 86.830297][ T5068] __dump_stack+0x30/0x40 [ 86.831455][ T5068] dump_stack_lvl+0xf8/0x160 [ 86.832721][ T5068] dump_stack+0x1c/0x5c [ 86.833834][ T5068] should_fail+0x3c0/0x51c [ 86.835137][ T5068] __should_failslab+0xbc/0x10c [ 86.836447][ T5068] should_failslab+0x10/0x28 [ 86.837833][ T5068] slab_pre_alloc_hook+0x64/0xec [ 86.839181][ T5068] __kmalloc_node+0xb8/0x520 [ 86.840435][ T5068] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 86.841895][ T5068] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 86.843476][ T5068] nbd_start_device+0x14c/0xb40 [ 86.844806][ T5068] nbd_ioctl+0x514/0xc50 [ 86.846002][ T5068] blkdev_ioctl+0x5f8/0xbb8 [ 86.847199][ T5068] block_ioctl+0xa4/0x118 [ 86.848451][ T5068] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.849844][ T5068] invoke_syscall+0x98/0x2b8 [ 86.851145][ T5068] el0_svc_common+0x138/0x258 [ 86.852484][ T5068] do_el0_svc+0x58/0x14c [ 86.853625][ T5068] el0_svc+0x78/0x1e0 [ 86.854813][ T5068] el0t_64_sync_handler+0xcc/0xe4 [ 86.856238][ T5068] el0t_64_sync+0x1a0/0x1a4 [ 86.857840][ T5068] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 86.864854][ T5069] block nbd0: shutting down sockets [ 86.982164][ T5073] block nbd0: Device being setup by another task [ 86.984737][ T5072] FAULT_INJECTION: forcing a failure. [ 86.984737][ T5072] name failslab, interval 1, probability 0, space 0, times 0 [ 86.988195][ T5072] CPU: 1 PID: 5072 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 86.990916][ T5072] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 86.993753][ T5072] Call trace: [ 86.994724][ T5072] dump_backtrace+0x0/0x43c [ 86.995956][ T5072] show_stack+0x2c/0x3c [ 86.997065][ T5072] __dump_stack+0x30/0x40 [ 86.998290][ T5072] dump_stack_lvl+0xf8/0x160 [ 86.999551][ T5072] dump_stack+0x1c/0x5c [ 87.000885][ T5072] should_fail+0x3c0/0x51c [ 87.002131][ T5072] __should_failslab+0xbc/0x10c [ 87.003433][ T5072] should_failslab+0x10/0x28 [ 87.004669][ T5072] slab_pre_alloc_hook+0x64/0xec [ 87.005992][ T5072] kmem_cache_alloc+0x94/0x3e4 [ 87.007327][ T5072] new_inode_pseudo+0x10c/0x1fc [ 87.008642][ T5072] new_inode+0x38/0x174 [ 87.009840][ T5072] debugfs_create_dir+0xec/0x3f4 [ 87.011193][ T5072] nbd_start_device+0x3c8/0xb40 [ 87.012533][ T5072] nbd_ioctl+0x514/0xc50 [ 87.013664][ T5072] blkdev_ioctl+0x5f8/0xbb8 [ 87.014936][ T5072] block_ioctl+0xa4/0x118 [ 87.016178][ T5072] __arm64_sys_ioctl+0x14c/0x1c8 [ 87.017559][ T5072] invoke_syscall+0x98/0x2b8 [ 87.018788][ T5072] el0_svc_common+0x138/0x258 [ 87.020059][ T5072] do_el0_svc+0x58/0x14c [ 87.021266][ T5072] el0_svc+0x78/0x1e0 [ 87.022371][ T5072] el0t_64_sync_handler+0xcc/0xe4 [ 87.023713][ T5072] el0t_64_sync+0x1a0/0x1a4 [ 87.025099][ T5072] debugfs: out of free dentries, can not create directory 'nbd0' [ 87.027173][ T5072] block nbd0: Failed to create debugfs dir for 'nbd0' [ 87.035231][ T5073] block nbd0: shutting down sockets [ 87.186363][ T5076] FAULT_INJECTION: forcing a failure. [ 87.186363][ T5076] name failslab, interval 1, probability 0, space 0, times 0 [ 87.189900][ T5076] CPU: 1 PID: 5076 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 87.192596][ T5076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 87.195414][ T5076] Call trace: [ 87.196375][ T5076] dump_backtrace+0x0/0x43c [ 87.197612][ T5076] show_stack+0x2c/0x3c [ 87.198736][ T5076] __dump_stack+0x30/0x40 [ 87.199921][ T5076] dump_stack_lvl+0xf8/0x160 [ 87.201241][ T5076] dump_stack+0x1c/0x5c [ 87.202452][ T5076] should_fail+0x3c0/0x51c [ 87.203626][ T5076] __should_failslab+0xbc/0x10c [ 87.205037][ T5076] should_failslab+0x10/0x28 [ 87.206308][ T5076] slab_pre_alloc_hook+0x64/0xec [ 87.207603][ T5076] __kmalloc_node+0xb8/0x520 [ 87.208805][ T5076] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 87.210270][ T5076] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 87.211828][ T5076] nbd_start_device+0x14c/0xb40 [ 87.213156][ T5076] nbd_ioctl+0x514/0xc50 [ 87.214299][ T5076] blkdev_ioctl+0x5f8/0xbb8 [ 87.215513][ T5076] block_ioctl+0xa4/0x118 [ 87.216706][ T5076] __arm64_sys_ioctl+0x14c/0x1c8 [ 87.218088][ T5076] invoke_syscall+0x98/0x2b8 [ 87.219377][ T5076] el0_svc_common+0x138/0x258 [ 87.220822][ T5076] do_el0_svc+0x58/0x14c [ 87.221985][ T5076] el0_svc+0x78/0x1e0 [ 87.223083][ T5076] el0t_64_sync_handler+0xcc/0xe4 [ 87.224486][ T5076] el0t_64_sync+0x1a0/0x1a4 [ 87.226521][ T5076] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 87.231571][ T5075] block nbd0: shutting down sockets [ 87.362136][ T5080] block nbd0: Device being setup by another task [ 87.364650][ T5079] FAULT_INJECTION: forcing a failure. [ 87.364650][ T5079] name failslab, interval 1, probability 0, space 0, times 0 [ 87.368175][ T5079] CPU: 1 PID: 5079 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 87.370849][ T5079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 87.373597][ T5079] Call trace: [ 87.374530][ T5079] dump_backtrace+0x0/0x43c [ 87.375773][ T5079] show_stack+0x2c/0x3c [ 87.376953][ T5079] __dump_stack+0x30/0x40 [ 87.378197][ T5079] dump_stack_lvl+0xf8/0x160 [ 87.379499][ T5079] dump_stack+0x1c/0x5c [ 87.380674][ T5079] should_fail+0x3c0/0x51c [ 87.381922][ T5079] __should_failslab+0xbc/0x10c [ 87.383301][ T5079] should_failslab+0x10/0x28 [ 87.384555][ T5079] slab_pre_alloc_hook+0x64/0xec [ 87.385936][ T5079] kmem_cache_alloc+0x94/0x3e4 [ 87.387308][ T5079] new_inode_pseudo+0x10c/0x1fc [ 87.388700][ T5079] new_inode+0x38/0x174 [ 87.389834][ T5079] debugfs_create_dir+0xec/0x3f4 [ 87.391171][ T5079] nbd_start_device+0x3c8/0xb40 [ 87.392551][ T5079] nbd_ioctl+0x514/0xc50 [ 87.393687][ T5079] blkdev_ioctl+0x5f8/0xbb8 [ 87.394908][ T5079] block_ioctl+0xa4/0x118 [ 87.396062][ T5079] __arm64_sys_ioctl+0x14c/0x1c8 [ 87.397438][ T5079] invoke_syscall+0x98/0x2b8 [ 87.398711][ T5079] el0_svc_common+0x138/0x258 [ 87.400019][ T5079] do_el0_svc+0x58/0x14c [ 87.401238][ T5079] el0_svc+0x78/0x1e0 [ 87.402364][ T5079] el0t_64_sync_handler+0xcc/0xe4 [ 87.403689][ T5079] el0t_64_sync+0x1a0/0x1a4 [ 87.406404][ T5079] debugfs: out of free dentries, can not create directory 'nbd0' [ 87.408612][ T5079] block nbd0: Failed to create debugfs dir for 'nbd0' [ 87.417750][ T5080] block nbd0: shutting down sockets [ 87.566414][ T5082] FAULT_INJECTION: forcing a failure. [ 87.566414][ T5082] name failslab, interval 1, probability 0, space 0, times 0 [ 87.569990][ T5082] CPU: 0 PID: 5082 Comm: syz-executor.0 Tainted: G W 5.15.188-syzkaller #0 [ 87.572942][ T5082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 87.575914][ T5082] Call trace: [ 87.576890][ T5082] dump_backtrace+0x0/0x43c [ 87.578190][ T5082] show_stack+0x2c/0x3c [ 87.579364][ T5082] __dump_stack+0x30/0x40 [ 87.580639][ T5082] dump_stack_lvl+0xf8/0x160 [ 87.581925][ T5082] dump_stack+0x1c/0x5c [ 87.583116][ T5082] should_fail+0x3c0/0x51c [ 87.584425][ T5082] __should_failslab+0xbc/0x10c [ 87.585780][ T5082] should_failslab+0x10/0x28 [ 87.587042][ T5082] slab_pre_alloc_hook+0x64/0xec [ 87.588460][ T5082] __kmalloc_node+0xb8/0x520 [ 87.589682][ T5082] blk_mq_update_nr_hw_queues+0x54c/0xbfc [ 87.591312][ T5082] nbd_start_device+0x14c/0xb40 [ 87.592625][ T5082] nbd_ioctl+0x514/0xc50 [ 87.593768][ T5082] blkdev_ioctl+0x5f8/0xbb8 [ 87.595080][ T5082] block_ioctl+0xa4/0x118 [ 87.596268][ T5082] __arm64_sys_ioctl+0x14c/0x1c8 [ 87.597604][ T5082] invoke_syscall+0x98/0x2b8 [ 87.598847][ T5082] el0_svc_common+0x138/0x258 [ 87.600143][ T5082] do_el0_svc+0x58/0x14c [ 87.601272][ T5082] el0_svc+0x78/0x1e0 [ 87.602375][ T5082] el0t_64_sync_handler+0xcc/0xe4 [ 87.603725][ T5082] el0t_64_sync+0x1a0/0x1a4 [ 87.609459][ T5083] block nbd0: shutting down sockets