Warning: Permanently added '10.128.1.2' (ED25519) to the list of known hosts. 1970/01/01 00:01:02 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:01:02 ignoring optional flag "type"="gce" 1970/01/01 00:01:02 parsed 1 programs [ 62.913610][ T4302] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS 1970/01/01 00:01:02 executed programs: 0 [ 63.051980][ T4317] chnl_net:caif_netlink_parms(): no params data found [ 63.087304][ T4317] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.089350][ T4317] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.091818][ T4317] device bridge_slave_0 entered promiscuous mode [ 63.095784][ T4317] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.097784][ T4317] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.100345][ T4317] device bridge_slave_1 entered promiscuous mode [ 63.116240][ T4317] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.120516][ T4317] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.137125][ T4317] team0: Port device team_slave_0 added [ 63.140218][ T4317] team0: Port device team_slave_1 added [ 63.153955][ T4317] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 63.155960][ T4317] 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. [ 63.162725][ T4317] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 63.167047][ T4317] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 63.168846][ T4317] 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. [ 63.175852][ T4317] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 63.257964][ T4317] device hsr_slave_0 entered promiscuous mode [ 63.335163][ T4317] device hsr_slave_1 entered promiscuous mode [ 64.020871][ T4317] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.050905][ T4317] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.097174][ T4317] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.148229][ T4317] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.256148][ T4317] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.262946][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.265420][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.270316][ T4317] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.276863][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.279602][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.282206][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.284199][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.293207][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.296119][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.298922][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.301765][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.303698][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.308750][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.323349][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.326326][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.329678][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.332379][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.338560][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.341245][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.344129][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.350063][ T4317] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 64.354165][ T4317] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.358927][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.361505][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.364008][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.435330][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.437408][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.443099][ T4317] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.460467][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 64.463186][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.476342][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 64.478995][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 64.481782][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 64.486006][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 64.490508][ T4317] device veth0_vlan entered promiscuous mode [ 64.498290][ T4317] device veth1_vlan entered promiscuous mode [ 64.515714][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 64.518193][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 64.520604][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 64.523627][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 64.529608][ T4317] device veth0_macvtap entered promiscuous mode [ 64.533796][ T4317] device veth1_macvtap entered promiscuous mode [ 64.548565][ T4317] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 64.550600][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 64.553066][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 64.557682][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 64.560722][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 64.566508][ T4317] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 64.569799][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 64.572815][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 64.577694][ T4317] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.580009][ T4317] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.582276][ T4317] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.584531][ T4317] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.634262][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.638222][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.641166][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 64.664999][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.667143][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.670101][ T871] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 64.782072][ T4430] FAULT_INJECTION: forcing a failure. [ 64.782072][ T4430] name failslab, interval 1, probability 0, space 0, times 1 [ 64.786021][ T4430] CPU: 1 PID: 4430 Comm: syz-executor.0 Not tainted 5.15.181-syzkaller #0 [ 64.788337][ T4430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 64.790921][ T4430] Call trace: [ 64.791825][ T4430] dump_backtrace+0x0/0x43c [ 64.793056][ T4430] show_stack+0x2c/0x3c [ 64.794134][ T4430] __dump_stack+0x30/0x40 [ 64.795245][ T4430] dump_stack_lvl+0xf8/0x160 [ 64.796436][ T4430] dump_stack+0x1c/0x5c [ 64.797560][ T4430] should_fail+0x3c0/0x51c [ 64.798696][ T4430] __should_failslab+0xbc/0x10c [ 64.800057][ T4430] should_failslab+0x10/0x28 [ 64.801264][ T4430] slab_pre_alloc_hook+0x64/0xec [ 64.802558][ T4430] __kmalloc_node+0xb8/0x520 [ 64.803753][ T4430] blk_mq_update_nr_hw_queues+0x54c/0xbfc [ 64.805232][ T4430] nbd_start_device+0x14c/0xb40 [ 64.806502][ T4430] nbd_ioctl+0x514/0xc50 [ 64.807628][ T4430] blkdev_ioctl+0x5f8/0xbb8 [ 64.808792][ T4430] block_ioctl+0xa4/0x118 [ 64.809941][ T4430] __arm64_sys_ioctl+0x14c/0x1c8 [ 64.811283][ T4430] invoke_syscall+0x98/0x2b8 [ 64.812470][ T4430] el0_svc_common+0x138/0x258 [ 64.813692][ T4430] do_el0_svc+0x58/0x14c [ 64.814829][ T4430] el0_svc+0x78/0x1e0 [ 64.815917][ T4430] el0t_64_sync_handler+0xcc/0xe4 [ 64.817259][ T4430] el0t_64_sync+0x1a0/0x1a4 [ 64.836207][ T4440] block nbd0: shutting down sockets [ 64.959496][ T4443] FAULT_INJECTION: forcing a failure. [ 64.959496][ T4443] name failslab, interval 1, probability 0, space 0, times 0 [ 64.963090][ T4443] CPU: 0 PID: 4443 Comm: syz-executor.0 Not tainted 5.15.181-syzkaller #0 [ 64.965386][ T4443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 64.968001][ T4443] Call trace: [ 64.968843][ T4443] dump_backtrace+0x0/0x43c [ 64.970058][ T4443] show_stack+0x2c/0x3c [ 64.971142][ T4443] __dump_stack+0x30/0x40 [ 64.972280][ T4443] dump_stack_lvl+0xf8/0x160 [ 64.973480][ T4443] dump_stack+0x1c/0x5c [ 64.974557][ T4443] should_fail+0x3c0/0x51c [ 64.975742][ T4443] __should_failslab+0xbc/0x10c [ 64.977007][ T4443] should_failslab+0x10/0x28 [ 64.978206][ T4443] slab_pre_alloc_hook+0x64/0xec [ 64.979537][ T4443] __kmalloc_node+0xb8/0x520 [ 64.980783][ T4443] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 64.982278][ T4443] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 64.983862][ T4443] nbd_start_device+0x14c/0xb40 [ 64.985170][ T4443] nbd_ioctl+0x514/0xc50 [ 64.986262][ T4443] blkdev_ioctl+0x5f8/0xbb8 [ 64.987411][ T4443] block_ioctl+0xa4/0x118 [ 64.988601][ T4443] __arm64_sys_ioctl+0x14c/0x1c8 [ 64.989917][ T4443] invoke_syscall+0x98/0x2b8 [ 64.991170][ T4443] el0_svc_common+0x138/0x258 [ 64.992411][ T4443] do_el0_svc+0x58/0x14c [ 64.993542][ T4443] el0_svc+0x78/0x1e0 [ 64.994611][ T4443] el0t_64_sync_handler+0xcc/0xe4 [ 64.995919][ T4443] el0t_64_sync+0x1a0/0x1a4 [ 64.999062][ T7] Bluetooth: hci0: command 0x0409 tx timeout [ 65.001868][ T4443] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 65.014531][ T4452] block nbd0: shutting down sockets [ 65.189400][ T4459] FAULT_INJECTION: forcing a failure. [ 65.189400][ T4459] name failslab, interval 1, probability 0, space 0, times 0 [ 65.193105][ T4459] CPU: 1 PID: 4459 Comm: syz-executor.0 Not tainted 5.15.181-syzkaller #0 [ 65.195530][ T4459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 65.198448][ T4459] Call trace: [ 65.199403][ T4459] dump_backtrace+0x0/0x43c [ 65.200691][ T4459] show_stack+0x2c/0x3c [ 65.201919][ T4459] __dump_stack+0x30/0x40 [ 65.203207][ T4459] dump_stack_lvl+0xf8/0x160 [ 65.204544][ T4459] dump_stack+0x1c/0x5c [ 65.205763][ T4459] should_fail+0x3c0/0x51c [ 65.207095][ T4459] __should_failslab+0xbc/0x10c [ 65.208543][ T4459] should_failslab+0x10/0x28 [ 65.209929][ T4459] slab_pre_alloc_hook+0x64/0xec [ 65.211356][ T4459] __kmalloc_node+0xb8/0x520 [ 65.212743][ T4459] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 65.214253][ T4459] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 65.215907][ T4459] nbd_start_device+0x14c/0xb40 [ 65.217319][ T4459] nbd_ioctl+0x514/0xc50 [ 65.218590][ T4459] blkdev_ioctl+0x5f8/0xbb8 [ 65.219920][ T4459] block_ioctl+0xa4/0x118 [ 65.221197][ T4459] __arm64_sys_ioctl+0x14c/0x1c8 [ 65.222680][ T4459] invoke_syscall+0x98/0x2b8 [ 65.224017][ T4459] el0_svc_common+0x138/0x258 [ 65.225359][ T4459] do_el0_svc+0x58/0x14c [ 65.226609][ T4459] el0_svc+0x78/0x1e0 [ 65.227795][ T4459] el0t_64_sync_handler+0xcc/0xe4 [ 65.229220][ T4459] el0t_64_sync+0x1a0/0x1a4 [ 65.234486][ T4459] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 65.240902][ T4468] block nbd0: shutting down sockets [ 65.388529][ T4476] FAULT_INJECTION: forcing a failure. [ 65.388529][ T4476] name failslab, interval 1, probability 0, space 0, times 0 [ 65.391904][ T4476] CPU: 0 PID: 4476 Comm: syz-executor.0 Not tainted 5.15.181-syzkaller #0 [ 65.394163][ T4476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 65.396841][ T4476] Call trace: [ 65.397706][ T4476] dump_backtrace+0x0/0x43c [ 65.398927][ T4476] show_stack+0x2c/0x3c [ 65.400030][ T4476] __dump_stack+0x30/0x40 [ 65.401186][ T4476] dump_stack_lvl+0xf8/0x160 [ 65.402401][ T4476] dump_stack+0x1c/0x5c [ 65.403513][ T4476] should_fail+0x3c0/0x51c [ 65.404685][ T4476] __should_failslab+0xbc/0x10c [ 65.406000][ T4476] should_failslab+0x10/0x28 [ 65.407241][ T4476] slab_pre_alloc_hook+0x64/0xec [ 65.408537][ T4476] __kmalloc_node+0xb8/0x520 [ 65.409747][ T4476] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 65.411175][ T4476] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 65.412702][ T4476] nbd_start_device+0x14c/0xb40 [ 65.414017][ T4476] nbd_ioctl+0x514/0xc50 [ 65.415148][ T4476] blkdev_ioctl+0x5f8/0xbb8 [ 65.416348][ T4476] block_ioctl+0xa4/0x118 [ 65.417532][ T4476] __arm64_sys_ioctl+0x14c/0x1c8 [ 65.418820][ T4476] invoke_syscall+0x98/0x2b8 [ 65.420048][ T4476] el0_svc_common+0x138/0x258 [ 65.421283][ T4476] do_el0_svc+0x58/0x14c [ 65.422411][ T4476] el0_svc+0x78/0x1e0 [ 65.423453][ T4476] el0t_64_sync_handler+0xcc/0xe4 [ 65.424803][ T4476] el0t_64_sync+0x1a0/0x1a4 [ 65.430816][ T4476] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 65.437466][ T4488] block nbd0: shutting down sockets [ 65.588558][ T4491] FAULT_INJECTION: forcing a failure. [ 65.588558][ T4491] name failslab, interval 1, probability 0, space 0, times 0 [ 65.591933][ T4491] CPU: 0 PID: 4491 Comm: syz-executor.0 Not tainted 5.15.181-syzkaller #0 [ 65.594194][ T4491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 65.596829][ T4491] Call trace: [ 65.597692][ T4491] dump_backtrace+0x0/0x43c [ 65.598893][ T4491] show_stack+0x2c/0x3c [ 65.600006][ T4491] __dump_stack+0x30/0x40 [ 65.601154][ T4491] dump_stack_lvl+0xf8/0x160 [ 65.602384][ T4491] dump_stack+0x1c/0x5c [ 65.603495][ T4491] should_fail+0x3c0/0x51c [ 65.604659][ T4491] __should_failslab+0xbc/0x10c [ 65.605921][ T4491] should_failslab+0x10/0x28 [ 65.607137][ T4491] slab_pre_alloc_hook+0x64/0xec [ 65.608484][ T4491] __kmalloc_node+0xb8/0x520 [ 65.609701][ T4491] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 65.611117][ T4491] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 65.612672][ T4491] nbd_start_device+0x14c/0xb40 [ 65.613960][ T4491] nbd_ioctl+0x514/0xc50 [ 65.615099][ T4491] blkdev_ioctl+0x5f8/0xbb8 [ 65.616327][ T4491] block_ioctl+0xa4/0x118 [ 65.617473][ T4491] __arm64_sys_ioctl+0x14c/0x1c8 [ 65.618760][ T4491] invoke_syscall+0x98/0x2b8 [ 65.619945][ T4491] el0_svc_common+0x138/0x258 [ 65.621241][ T4491] do_el0_svc+0x58/0x14c [ 65.622397][ T4491] el0_svc+0x78/0x1e0 [ 65.623442][ T4491] el0t_64_sync_handler+0xcc/0xe4 [ 65.624797][ T4491] el0t_64_sync+0x1a0/0x1a4 [ 65.629460][ T4491] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 65.643118][ T4504] block nbd0: shutting down sockets [ 65.805221][ T4512] block nbd0: Device being setup by another task [ 65.807600][ T4507] FAULT_INJECTION: forcing a failure. [ 65.807600][ T4507] name failslab, interval 1, probability 0, space 0, times 0 [ 65.811114][ T4507] CPU: 0 PID: 4507 Comm: syz-executor.0 Not tainted 5.15.181-syzkaller #0 [ 65.813334][ T4507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 65.815966][ T4507] Call trace: [ 65.816838][ T4507] dump_backtrace+0x0/0x43c [ 65.818092][ T4507] show_stack+0x2c/0x3c [ 65.819209][ T4507] __dump_stack+0x30/0x40 [ 65.820343][ T4507] dump_stack_lvl+0xf8/0x160 [ 65.821574][ T4507] dump_stack+0x1c/0x5c [ 65.822645][ T4507] should_fail+0x3c0/0x51c [ 65.823838][ T4507] __should_failslab+0xbc/0x10c [ 65.825116][ T4507] should_failslab+0x10/0x28 [ 65.826383][ T4507] slab_pre_alloc_hook+0x64/0xec [ 65.827672][ T4507] kmem_cache_alloc+0x94/0x3e4 [ 65.828922][ T4507] new_inode_pseudo+0x10c/0x1fc [ 65.830168][ T4507] new_inode+0x38/0x174 [ 65.831254][ T4507] debugfs_create_dir+0xec/0x3f4 [ 65.832562][ T4507] nbd_start_device+0x3c8/0xb40 [ 65.833806][ T4507] nbd_ioctl+0x514/0xc50 [ 65.834913][ T4507] blkdev_ioctl+0x5f8/0xbb8 [ 65.836075][ T4507] block_ioctl+0xa4/0x118 [ 65.837227][ T4507] __arm64_sys_ioctl+0x14c/0x1c8 [ 65.838518][ T4507] invoke_syscall+0x98/0x2b8 [ 65.839702][ T4507] el0_svc_common+0x138/0x258 [ 65.840948][ T4507] do_el0_svc+0x58/0x14c [ 65.842058][ T4507] el0_svc+0x78/0x1e0 [ 65.843108][ T4507] el0t_64_sync_handler+0xcc/0xe4 [ 65.844407][ T4507] el0t_64_sync+0x1a0/0x1a4 [ 65.850035][ T4507] debugfs: out of free dentries, can not create directory 'nbd0' [ 65.852362][ T4507] block nbd0: Failed to create debugfs dir for 'nbd0' [ 65.859037][ T4512] block nbd0: shutting down sockets [ 66.059574][ T4528] FAULT_INJECTION: forcing a failure. [ 66.059574][ T4528] name failslab, interval 1, probability 0, space 0, times 0 [ 66.064241][ T4528] CPU: 0 PID: 4528 Comm: syz-executor.0 Not tainted 5.15.181-syzkaller #0 [ 66.066542][ T4528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 66.069170][ T4528] Call trace: [ 66.070049][ T4528] dump_backtrace+0x0/0x43c [ 66.071340][ T4528] show_stack+0x2c/0x3c [ 66.072454][ T4528] __dump_stack+0x30/0x40 [ 66.073658][ T4528] dump_stack_lvl+0xf8/0x160 [ 66.074870][ T4528] dump_stack+0x1c/0x5c [ 66.075995][ T4528] should_fail+0x3c0/0x51c [ 66.077230][ T4528] __should_failslab+0xbc/0x10c [ 66.078518][ T4528] should_failslab+0x10/0x28 [ 66.079763][ T4528] slab_pre_alloc_hook+0x64/0xec [ 66.081178][ T4528] __kmalloc_node+0xb8/0x520 [ 66.082398][ T4528] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 66.083919][ T4528] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 66.085492][ T4528] nbd_start_device+0x14c/0xb40 [ 66.086835][ T4528] nbd_ioctl+0x514/0xc50 [ 66.088001][ T4528] blkdev_ioctl+0x5f8/0xbb8 [ 66.089223][ T4528] block_ioctl+0xa4/0x118 [ 66.090400][ T4528] __arm64_sys_ioctl+0x14c/0x1c8 [ 66.091720][ T4528] invoke_syscall+0x98/0x2b8 [ 66.092944][ T4528] el0_svc_common+0x138/0x258 [ 66.094242][ T4528] do_el0_svc+0x58/0x14c [ 66.095401][ T4528] el0_svc+0x78/0x1e0 [ 66.096450][ T4528] el0t_64_sync_handler+0xcc/0xe4 [ 66.097796][ T4528] el0t_64_sync+0x1a0/0x1a4 [ 66.103150][ T4528] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 66.109369][ T4523] block nbd0: shutting down sockets [ 66.275222][ T4545] block nbd0: Device being setup by another task [ 66.278537][ T4540] FAULT_INJECTION: forcing a failure. [ 66.278537][ T4540] name failslab, interval 1, probability 0, space 0, times 0 [ 66.282129][ T4540] CPU: 0 PID: 4540 Comm: syz-executor.0 Not tainted 5.15.181-syzkaller #0 [ 66.284368][ T4540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 66.287070][ T4540] Call trace: [ 66.287934][ T4540] dump_backtrace+0x0/0x43c [ 66.289181][ T4540] show_stack+0x2c/0x3c [ 66.290266][ T4540] __dump_stack+0x30/0x40 [ 66.291433][ T4540] dump_stack_lvl+0xf8/0x160 [ 66.292669][ T4540] dump_stack+0x1c/0x5c [ 66.293803][ T4540] should_fail+0x3c0/0x51c [ 66.295005][ T4540] __should_failslab+0xbc/0x10c [ 66.296380][ T4540] should_failslab+0x10/0x28 [ 66.297602][ T4540] slab_pre_alloc_hook+0x64/0xec [ 66.298921][ T4540] kmem_cache_alloc+0x94/0x3e4 [ 66.300206][ T4540] new_inode_pseudo+0x10c/0x1fc [ 66.301503][ T4540] new_inode+0x38/0x174 [ 66.302624][ T4540] debugfs_create_dir+0xec/0x3f4 [ 66.303942][ T4540] nbd_start_device+0x3c8/0xb40 [ 66.305253][ T4540] nbd_ioctl+0x514/0xc50 [ 66.306403][ T4540] blkdev_ioctl+0x5f8/0xbb8 [ 66.307653][ T4540] block_ioctl+0xa4/0x118 [ 66.308794][ T4540] __arm64_sys_ioctl+0x14c/0x1c8 [ 66.310120][ T4540] invoke_syscall+0x98/0x2b8 [ 66.311356][ T4540] el0_svc_common+0x138/0x258 [ 66.312628][ T4540] do_el0_svc+0x58/0x14c [ 66.313780][ T4540] el0_svc+0x78/0x1e0 [ 66.314847][ T4540] el0t_64_sync_handler+0xcc/0xe4 [ 66.316223][ T4540] el0t_64_sync+0x1a0/0x1a4 [ 66.322370][ T4540] debugfs: out of free dentries, can not create directory 'nbd0' [ 66.325919][ T4540] block nbd0: Failed to create debugfs dir for 'nbd0' [ 66.332283][ T4545] block nbd0: shutting down sockets [ 66.488425][ T4556] FAULT_INJECTION: forcing a failure. [ 66.488425][ T4556] name failslab, interval 1, probability 0, space 0, times 0 [ 66.491715][ T4556] CPU: 0 PID: 4556 Comm: syz-executor.0 Not tainted 5.15.181-syzkaller #0 [ 66.493941][ T4556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 66.496604][ T4556] Call trace: [ 66.497474][ T4556] dump_backtrace+0x0/0x43c [ 66.498685][ T4556] show_stack+0x2c/0x3c [ 66.499806][ T4556] __dump_stack+0x30/0x40 [ 66.500954][ T4556] dump_stack_lvl+0xf8/0x160 [ 66.502167][ T4556] dump_stack+0x1c/0x5c [ 66.503260][ T4556] should_fail+0x3c0/0x51c [ 66.504433][ T4556] __should_failslab+0xbc/0x10c [ 66.505712][ T4556] should_failslab+0x10/0x28 [ 66.506920][ T4556] slab_pre_alloc_hook+0x64/0xec [ 66.508266][ T4556] __kmalloc_node+0xb8/0x520 [ 66.509496][ T4556] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 66.510908][ T4556] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 66.512432][ T4556] nbd_start_device+0x14c/0xb40 [ 66.513707][ T4556] nbd_ioctl+0x514/0xc50 [ 66.514818][ T4556] blkdev_ioctl+0x5f8/0xbb8 [ 66.516033][ T4556] block_ioctl+0xa4/0x118 [ 66.517263][ T4556] __arm64_sys_ioctl+0x14c/0x1c8 [ 66.518607][ T4556] invoke_syscall+0x98/0x2b8 [ 66.519843][ T4556] el0_svc_common+0x138/0x258 [ 66.521102][ T4556] do_el0_svc+0x58/0x14c [ 66.522250][ T4556] el0_svc+0x78/0x1e0 [ 66.523343][ T4556] el0t_64_sync_handler+0xcc/0xe4 [ 66.524696][ T4556] el0t_64_sync+0x1a0/0x1a4 [ 66.529577][ T4556] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 66.534831][ T4568] block nbd0: shutting down sockets [ 66.678726][ T4579] FAULT_INJECTION: forcing a failure. [ 66.678726][ T4579] name failslab, interval 1, probability 0, space 0, times 0 [ 66.682092][ T4579] CPU: 1 PID: 4579 Comm: syz-executor.0 Not tainted 5.15.181-syzkaller #0 [ 66.684249][ T4579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 66.686874][ T4579] Call trace: [ 66.687743][ T4579] dump_backtrace+0x0/0x43c [ 66.688940][ T4579] show_stack+0x2c/0x3c [ 66.690032][ T4579] __dump_stack+0x30/0x40 [ 66.691190][ T4579] dump_stack_lvl+0xf8/0x160 [ 66.692391][ T4579] dump_stack+0x1c/0x5c [ 66.693471][ T4579] should_fail+0x3c0/0x51c [ 66.694626][ T4579] __should_failslab+0xbc/0x10c [ 66.695889][ T4579] should_failslab+0x10/0x28 [ 66.697121][ T4579] slab_pre_alloc_hook+0x64/0xec [ 66.698416][ T4579] __kmalloc_node+0xb8/0x520 [ 66.699646][ T4579] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 66.701094][ T4579] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 66.702590][ T4579] nbd_start_device+0x14c/0xb40 [ 66.703883][ T4579] nbd_ioctl+0x514/0xc50 [ 66.705016][ T4579] blkdev_ioctl+0x5f8/0xbb8 [ 66.706154][ T4579] block_ioctl+0xa4/0x118 [ 66.707299][ T4579] __arm64_sys_ioctl+0x14c/0x1c8 [ 66.708594][ T4579] invoke_syscall+0x98/0x2b8 [ 66.709820][ T4579] el0_svc_common+0x138/0x258 [ 66.711103][ T4579] do_el0_svc+0x58/0x14c [ 66.712223][ T4579] el0_svc+0x78/0x1e0 [ 66.713252][ T4579] el0t_64_sync_handler+0xcc/0xe4 [ 66.714574][ T4579] el0t_64_sync+0x1a0/0x1a4 [ 66.720469][ T4579] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 66.730067][ T4572] block nbd0: shutting down sockets [ 66.855010][ T4591] block nbd0: Device being setup by another task [ 66.857413][ T4587] FAULT_INJECTION: forcing a failure. [ 66.857413][ T4587] name failslab, interval 1, probability 0, space 0, times 0 [ 66.860840][ T4587] CPU: 0 PID: 4587 Comm: syz-executor.0 Not tainted 5.15.181-syzkaller #0 [ 66.863057][ T4587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 66.865697][ T4587] Call trace: [ 66.866557][ T4587] dump_backtrace+0x0/0x43c [ 66.867780][ T4587] show_stack+0x2c/0x3c [ 66.868847][ T4587] __dump_stack+0x30/0x40 [ 66.870018][ T4587] dump_stack_lvl+0xf8/0x160 [ 66.871281][ T4587] dump_stack+0x1c/0x5c [ 66.872378][ T4587] should_fail+0x3c0/0x51c [ 66.873573][ T4587] __should_failslab+0xbc/0x10c [ 66.874813][ T4587] should_failslab+0x10/0x28 [ 66.876029][ T4587] slab_pre_alloc_hook+0x64/0xec [ 66.877367][ T4587] kmem_cache_alloc+0x94/0x3e4 [ 66.878605][ T4587] __d_alloc+0x3c/0x65c [ 66.879705][ T4587] d_alloc_parallel+0x80/0x1104 [ 66.880982][ T4587] __lookup_slow+0x104/0x380 [ 66.882208][ T4587] lookup_one_len+0x178/0x28c [ 66.883453][ T4587] start_creating+0x19c/0x2e0 [ 66.884744][ T4587] debugfs_create_dir+0x30/0x3f4 [ 66.886057][ T4587] nbd_start_device+0x3c8/0xb40 [ 66.887340][ T4587] nbd_ioctl+0x514/0xc50 [ 66.888470][ T4587] blkdev_ioctl+0x5f8/0xbb8 [ 66.889663][ T4587] block_ioctl+0xa4/0x118 [ 66.890792][ T4587] __arm64_sys_ioctl+0x14c/0x1c8 [ 66.892070][ T4587] invoke_syscall+0x98/0x2b8 [ 66.893290][ T4587] el0_svc_common+0x138/0x258 [ 66.894543][ T4587] do_el0_svc+0x58/0x14c [ 66.895673][ T4587] el0_svc+0x78/0x1e0 [ 66.896748][ T4587] el0t_64_sync_handler+0xcc/0xe4 [ 66.898147][ T4587] el0t_64_sync+0x1a0/0x1a4 [ 66.899969][ T4587] block nbd0: Failed to create debugfs dir for 'nbd0' [ 66.907854][ T4591] block nbd0: shutting down sockets [ 67.069609][ T4602] FAULT_INJECTION: forcing a failure. [ 67.069609][ T4602] name failslab, interval 1, probability 0, space 0, times 0 [ 67.073003][ T4602] CPU: 1 PID: 4602 Comm: syz-executor.0 Not tainted 5.15.181-syzkaller #0 [ 67.075259][ T4602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 67.075286][ T4048] Bluetooth: hci0: command 0x041b tx timeout [ 67.077942][ T4602] Call trace: [ 67.080572][ T4602] dump_backtrace+0x0/0x43c [ 67.081762][ T4602] show_stack+0x2c/0x3c [ 67.082865][ T4602] __dump_stack+0x30/0x40 [ 67.084002][ T4602] dump_stack_lvl+0xf8/0x160 [ 67.085232][ T4602] dump_stack+0x1c/0x5c [ 67.086419][ T4602] should_fail+0x3c0/0x51c [ 67.087601][ T4602] __should_failslab+0xbc/0x10c [ 67.088819][ T4602] should_failslab+0x10/0x28 [ 67.089999][ T4602] slab_pre_alloc_hook+0x64/0xec [ 67.091308][ T4602] __kmalloc_node+0xb8/0x520 [ 67.092496][ T4602] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 67.093942][ T4602] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 67.095438][ T4602] nbd_start_device+0x14c/0xb40 [ 67.096809][ T4602] nbd_ioctl+0x514/0xc50 [ 67.097937][ T4602] blkdev_ioctl+0x5f8/0xbb8 [ 67.099103][ T4602] block_ioctl+0xa4/0x118 [ 67.100261][ T4602] __arm64_sys_ioctl+0x14c/0x1c8 [ 67.101575][ T4602] invoke_syscall+0x98/0x2b8 [ 67.102820][ T4602] el0_svc_common+0x138/0x258 [ 67.104060][ T4602] do_el0_svc+0x58/0x14c [ 67.105179][ T4602] el0_svc+0x78/0x1e0 [ 67.106243][ T4602] el0t_64_sync_handler+0xcc/0xe4 [ 67.107510][ T4602] el0t_64_sync+0x1a0/0x1a4 [ 67.109944][ T4602] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 67.116140][ T4611] block nbd0: shutting down sockets [ 67.259443][ T4618] FAULT_INJECTION: forcing a failure. [ 67.259443][ T4618] name failslab, interval 1, probability 0, space 0, times 0 [ 67.262954][ T4618] CPU: 1 PID: 4618 Comm: syz-executor.0 Not tainted 5.15.181-syzkaller #0 [ 67.265189][ T4618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 67.267821][ T4618] Call trace: [ 67.268693][ T4618] dump_backtrace+0x0/0x43c [ 67.269896][ T4618] show_stack+0x2c/0x3c [ 67.271040][ T4618] __dump_stack+0x30/0x40 [ 67.272206][ T4618] dump_stack_lvl+0xf8/0x160 [ 67.273447][ T4618] dump_stack+0x1c/0x5c [ 67.274569][ T4618] should_fail+0x3c0/0x51c [ 67.275748][ T4618] __should_failslab+0xbc/0x10c [ 67.277069][ T4618] should_failslab+0x10/0x28 [ 67.278346][ T4618] slab_pre_alloc_hook+0x64/0xec [ 67.279688][ T4618] __kmalloc_node+0xb8/0x520 [ 67.280891][ T4618] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 67.282312][ T4618] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 67.283873][ T4618] nbd_start_device+0x14c/0xb40 [ 67.285157][ T4618] nbd_ioctl+0x514/0xc50 [ 67.286325][ T4618] blkdev_ioctl+0x5f8/0xbb8 [ 67.287540][ T4618] block_ioctl+0xa4/0x118 [ 67.288682][ T4618] __arm64_sys_ioctl+0x14c/0x1c8 [ 67.289995][ T4618] invoke_syscall+0x98/0x2b8 [ 67.291201][ T4618] el0_svc_common+0x138/0x258 [ 67.292474][ T4618] do_el0_svc+0x58/0x14c [ 67.293576][ T4618] el0_svc+0x78/0x1e0 [ 67.294626][ T4618] el0t_64_sync_handler+0xcc/0xe4 [ 67.295912][ T4618] el0t_64_sync+0x1a0/0x1a4 [ 67.298767][ T4618] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 67.310382][ T4628] block nbd0: shutting down sockets [ 67.478460][ T4640] FAULT_INJECTION: forcing a failure. [ 67.478460][ T4640] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 67.482026][ T4640] CPU: 0 PID: 4640 Comm: syz-executor.0 Not tainted 5.15.181-syzkaller #0 [ 67.484232][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 67.486828][ T4640] Call trace: [ 67.487690][ T4640] dump_backtrace+0x0/0x43c [ 67.488912][ T4640] show_stack+0x2c/0x3c [ 67.490010][ T4640] __dump_stack+0x30/0x40 [ 67.491256][ T4640] dump_stack_lvl+0xf8/0x160 [ 67.492486][ T4640] dump_stack+0x1c/0x5c [ 67.493551][ T4640] should_fail+0x3c0/0x51c [ 67.494706][ T4640] should_fail_alloc_page+0x74/0xa8 [ 67.496088][ T4640] prepare_alloc_pages+0x160/0x460 [ 67.497469][ T4640] __alloc_pages+0x108/0x470 [ 67.498682][ T4640] alloc_pages+0x34c/0x5c0 [ 67.499835][ T4640] new_slab+0xe0/0x55c [ 67.500865][ T4640] ___slab_alloc+0x6c0/0xda8 [ 67.502158][ T4640] __slab_alloc+0x68/0xc0 [ 67.503252][ T4640] __kmalloc_node+0x310/0x520 [ 67.504453][ T4640] blk_mq_update_nr_hw_queues+0x54c/0xbfc [ 67.505983][ T4640] nbd_start_device+0x14c/0xb40 [ 67.507316][ T4640] nbd_ioctl+0x514/0xc50 [ 67.508438][ T4640] blkdev_ioctl+0x5f8/0xbb8 [ 67.509646][ T4640] block_ioctl+0xa4/0x118 [ 67.510823][ T4640] __arm64_sys_ioctl+0x14c/0x1c8 [ 67.512153][ T4640] invoke_syscall+0x98/0x2b8 [ 67.513362][ T4640] el0_svc_common+0x138/0x258 [ 67.514612][ T4640] do_el0_svc+0x58/0x14c [ 67.515733][ T4640] el0_svc+0x78/0x1e0 [ 67.516784][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 67.518119][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 67.526585][ T4635] block nbd0: shutting down sockets [ 67.655052][ T4656] FAULT_INJECTION: forcing a failure. [ 67.655052][ T4656] name failslab, interval 1, probability 0, space 0, times 0 [ 67.658381][ T4656] CPU: 1 PID: 4656 Comm: syz-executor.0 Not tainted 5.15.181-syzkaller #0 [ 67.660556][ T4656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 67.663113][ T4656] Call trace: [ 67.664005][ T4656] dump_backtrace+0x0/0x43c [ 67.665219][ T4656] show_stack+0x2c/0x3c [ 67.666298][ T4656] __dump_stack+0x30/0x40 [ 67.667386][ T4656] dump_stack_lvl+0xf8/0x160 [ 67.668602][ T4656] dump_stack+0x1c/0x5c [ 67.669681][ T4656] should_fail+0x3c0/0x51c [ 67.670832][ T4656] __should_failslab+0xbc/0x10c [ 67.672070][ T4656] should_failslab+0x10/0x28 [ 67.673258][ T4656] slab_pre_alloc_hook+0x64/0xec [ 67.674634][ T4656] kmem_cache_alloc+0x94/0x3e4 [ 67.675958][ T4656] __d_alloc+0x3c/0x65c [ 67.677126][ T4656] d_alloc_parallel+0x80/0x1104 [ 67.678373][ T4656] __lookup_slow+0x104/0x380 [ 67.679628][ T4656] lookup_one_len+0x178/0x28c [ 67.680863][ T4656] start_creating+0x19c/0x2e0 [ 67.682075][ T4656] debugfs_create_dir+0x30/0x3f4 [ 67.683375][ T4656] nbd_start_device+0x3c8/0xb40 [ 67.684630][ T4656] nbd_ioctl+0x514/0xc50 [ 67.685742][ T4656] blkdev_ioctl+0x5f8/0xbb8 [ 67.686925][ T4656] block_ioctl+0xa4/0x118 [ 67.688055][ T4656] __arm64_sys_ioctl+0x14c/0x1c8 [ 67.689307][ T4656] invoke_syscall+0x98/0x2b8 [ 67.690543][ T4656] el0_svc_common+0x138/0x258 [ 67.691812][ T4656] do_el0_svc+0x58/0x14c [ 67.692948][ T4656] el0_svc+0x78/0x1e0 [ 67.693999][ T4656] el0t_64_sync_handler+0xcc/0xe4 [ 67.695301][ T4656] el0t_64_sync+0x1a0/0x1a4 [ 67.697314][ T4656] block nbd0: Failed to create debugfs dir for 'nbd0' [ 67.704443][ T4651] block nbd0: shutting down sockets [ 67.795582][ T4665] FAULT_INJECTION: forcing a failure. [ 67.795582][ T4665] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 67.799201][ T4665] CPU: 0 PID: 4665 Comm: syz-executor.0 Not tainted 5.15.181-syzkaller #0 [ 67.801406][ T4665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 67.804024][ T4665] Call trace: [ 67.804834][ T4665] dump_backtrace+0x0/0x43c [ 67.806039][ T4665] show_stack+0x2c/0x3c [ 67.807146][ T4665] __dump_stack+0x30/0x40 [ 67.808301][ T4665] dump_stack_lvl+0xf8/0x160 [ 67.809547][ T4665] dump_stack+0x1c/0x5c [ 67.810618][ T4665] should_fail+0x3c0/0x51c [ 67.811776][ T4665] should_fail_alloc_page+0x74/0xa8 [ 67.813176][ T4665] prepare_alloc_pages+0x160/0x460 [ 67.814530][ T4665] __alloc_pages+0x108/0x470 [ 67.815720][ T4665] alloc_pages+0x34c/0x5c0 [ 67.816878][ T4665] new_slab+0xe0/0x55c [ 67.817948][ T4665] ___slab_alloc+0x6c0/0xda8 [ 67.819107][ T4665] __slab_alloc+0x68/0xc0 [ 67.820249][ T4665] kmem_cache_alloc+0x2ac/0x3e4 [ 67.821553][ T4665] __d_alloc+0x3c/0x65c [ 67.822661][ T4665] d_alloc_parallel+0x80/0x1104 [ 67.823986][ T4665] __lookup_slow+0x104/0x380 [ 67.825186][ T4665] lookup_one_len+0x178/0x28c [ 67.826394][ T4665] start_creating+0x19c/0x2e0 [ 67.827593][ T4665] debugfs_create_dir+0x30/0x3f4 [ 67.828904][ T4665] nbd_start_device+0x3c8/0xb40 [ 67.830276][ T4665] nbd_ioctl+0x514/0xc50 [ 67.831418][ T4665] blkdev_ioctl+0x5f8/0xbb8 [ 67.832626][ T4665] block_ioctl+0xa4/0x118 [ 67.833760][ T4665] __arm64_sys_ioctl+0x14c/0x1c8 [ 67.835104][ T4665] invoke_syscall+0x98/0x2b8 [ 67.836329][ T4665] el0_svc_common+0x138/0x258 [ 67.837558][ T4665] do_el0_svc+0x58/0x14c [ 67.838687][ T4665] el0_svc+0x78/0x1e0 [ 67.839751][ T4665] el0t_64_sync_handler+0xcc/0xe4 [ 67.841077][ T4665] el0t_64_sync+0x1a0/0x1a4 [ 67.852928][ T4672] block nbd0: shutting down sockets [ 67.955780][ T4677] FAULT_INJECTION: forcing a failure. [ 67.955780][ T4677] name failslab, interval 1, probability 0, space 0, times 0 [ 67.959586][ T4677] CPU: 0 PID: 4677 Comm: syz-executor.0 Not tainted 5.15.181-syzkaller #0 [ 67.961781][ T4677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 67.964501][ T4677] Call trace: [ 67.965358][ T4677] dump_backtrace+0x0/0x43c [ 67.966575][ T4677] show_stack+0x2c/0x3c [ 67.967690][ T4677] __dump_stack+0x30/0x40 [ 67.968804][ T4677] dump_stack_lvl+0xf8/0x160 [ 67.970067][ T4677] dump_stack+0x1c/0x5c [ 67.971251][ T4677] should_fail+0x3c0/0x51c [ 67.972498][ T4677] __should_failslab+0xbc/0x10c [ 67.973834][ T4677] should_failslab+0x10/0x28 [ 67.975157][ T4677] slab_pre_alloc_hook+0x64/0xec [ 67.976444][ T4677] kmem_cache_alloc+0x94/0x3e4 [ 67.977729][ T4677] new_inode_pseudo+0x10c/0x1fc [ 67.979017][ T4677] new_inode+0x38/0x174 [ 67.980155][ T4677] debugfs_create_dir+0xec/0x3f4 [ 67.981489][ T4677] nbd_start_device+0x3c8/0xb40 [ 67.982832][ T4677] nbd_ioctl+0x514/0xc50 [ 67.983997][ T4677] blkdev_ioctl+0x5f8/0xbb8 [ 67.985192][ T4677] block_ioctl+0xa4/0x118 [ 67.986346][ T4677] __arm64_sys_ioctl+0x14c/0x1c8 [ 67.987673][ T4677] invoke_syscall+0x98/0x2b8 [ 67.988932][ T4677] el0_svc_common+0x138/0x258 [ 67.990215][ T4677] do_el0_svc+0x58/0x14c [ 67.991339][ T4677] el0_svc+0x78/0x1e0 [ 67.992462][ T4677] el0t_64_sync_handler+0xcc/0xe4 [ 67.993816][ T4677] el0t_64_sync+0x1a0/0x1a4 [ 67.998583][ T4677] debugfs: out of free dentries, can not create directory 'nbd0' [ 68.000917][ T4677] block nbd0: Failed to create debugfs dir for 'nbd0' [ 68.008300][ T4686] block nbd0: shutting down sockets 1970/01/01 00:01:07 executed programs: 17 [ 68.125524][ T4690] FAULT_INJECTION: forcing a failure. [ 68.125524][ T4690] name failslab, interval 1, probability 0, space 0, times 0 [ 68.129442][ T4690] CPU: 0 PID: 4690 Comm: syz-executor.0 Not tainted 5.15.181-syzkaller #0 [ 68.131564][ T4690] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 68.134338][ T4690] Call trace: [ 68.135193][ T4690] dump_backtrace+0x0/0x43c [ 68.136484][ T4690] show_stack+0x2c/0x3c [ 68.137594][ T4690] __dump_stack+0x30/0x40 [ 68.138741][ T4690] dump_stack_lvl+0xf8/0x160 [ 68.139977][ T4690] dump_stack+0x1c/0x5c [ 68.141070][ T4690] should_fail+0x3c0/0x51c [ 68.142216][ T4690] __should_failslab+0xbc/0x10c [ 68.143513][ T4690] should_failslab+0x10/0x28 [ 68.144771][ T4690] slab_pre_alloc_hook+0x64/0xec [ 68.146119][ T4690] __kmalloc_node+0xb8/0x520 [ 68.147517][ T4690] memcg_alloc_page_obj_cgroups+0x80/0x174 [ 68.149140][ T4690] slab_post_alloc_hook+0xc0/0x408 [ 68.150532][ T4690] kmem_cache_alloc+0x1e0/0x3e4 [ 68.151840][ T4690] __d_alloc+0x3c/0x65c [ 68.152975][ T4690] d_alloc_parallel+0x80/0x1104 [ 68.154350][ T4690] __lookup_slow+0x104/0x380 [ 68.155596][ T4690] lookup_one_len+0x178/0x28c [ 68.156953][ T4690] start_creating+0x19c/0x2e0 [ 68.158211][ T4690] debugfs_create_dir+0x30/0x3f4 [ 68.159511][ T4690] nbd_start_device+0x3c8/0xb40 [ 68.160811][ T4690] nbd_ioctl+0x514/0xc50 [ 68.161955][ T4690] blkdev_ioctl+0x5f8/0xbb8 [ 68.163148][ T4690] block_ioctl+0xa4/0x118 [ 68.164369][ T4690] __arm64_sys_ioctl+0x14c/0x1c8 [ 68.165717][ T4690] invoke_syscall+0x98/0x2b8 [ 68.166992][ T4690] el0_svc_common+0x138/0x258 [ 68.168317][ T4690] do_el0_svc+0x58/0x14c [ 68.169491][ T4690] el0_svc+0x78/0x1e0 [ 68.170559][ T4690] el0t_64_sync_handler+0xcc/0xe4 [ 68.171979][ T4690] el0t_64_sync+0x1a0/0x1a4 [ 68.180693][ T4700] block nbd0: shutting down sockets [ 68.295888][ T4705] FAULT_INJECTION: forcing a failure. [ 68.295888][ T4705] name failslab, interval 1, probability 0, space 0, times 0 [ 68.299506][ T4705] CPU: 1 PID: 4705 Comm: syz-executor.0 Not tainted 5.15.181-syzkaller #0 [ 68.301884][ T4705] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 68.304608][ T4705] Call trace: [ 68.305507][ T4705] dump_backtrace+0x0/0x43c [ 68.306730][ T4705] show_stack+0x2c/0x3c [ 68.307907][ T4705] __dump_stack+0x30/0x40 [ 68.309045][ T4705] dump_stack_lvl+0xf8/0x160 [ 68.310364][ T4705] dump_stack+0x1c/0x5c [ 68.311528][ T4705] should_fail+0x3c0/0x51c [ 68.312721][ T4705] __should_failslab+0xbc/0x10c [ 68.314064][ T4705] should_failslab+0x10/0x28 [ 68.315345][ T4705] slab_pre_alloc_hook+0x64/0xec [ 68.316626][ T4705] kmem_cache_alloc+0x94/0x3e4 [ 68.317886][ T4705] new_inode_pseudo+0x10c/0x1fc [ 68.319212][ T4705] new_inode+0x38/0x174 [ 68.320342][ T4705] debugfs_create_dir+0xec/0x3f4 [ 68.321660][ T4705] nbd_start_device+0x3c8/0xb40 [ 68.323048][ T4705] nbd_ioctl+0x514/0xc50 [ 68.324212][ T4705] blkdev_ioctl+0x5f8/0xbb8 [ 68.325377][ T4705] block_ioctl+0xa4/0x118 [ 68.326548][ T4705] __arm64_sys_ioctl+0x14c/0x1c8 [ 68.327901][ T4705] invoke_syscall+0x98/0x2b8 [ 68.329180][ T4705] el0_svc_common+0x138/0x258 [ 68.330413][ T4705] do_el0_svc+0x58/0x14c [ 68.331528][ T4705] el0_svc+0x78/0x1e0 [ 68.332604][ T4705] el0t_64_sync_handler+0xcc/0xe4 [ 68.333971][ T4705] el0t_64_sync+0x1a0/0x1a4 [ 68.339892][ T4705] debugfs: out of free dentries, can not create directory 'nbd0' [ 68.342135][ T4705] block nbd0: Failed to create debugfs dir for 'nbd0' [ 68.348547][ T4715] block nbd0: shutting down sockets [ 68.425635][ T4718] FAULT_INJECTION: forcing a failure. [ 68.425635][ T4718] name failslab, interval 1, probability 0, space 0, times 0 [ 68.429088][ T4718] CPU: 0 PID: 4718 Comm: syz-executor.0 Not tainted 5.15.181-syzkaller #0 [ 68.431347][ T4718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 68.434018][ T4718] Call trace: [ 68.434836][ T4718] dump_backtrace+0x0/0x43c [ 68.436065][ T4718] show_stack+0x2c/0x3c [ 68.437165][ T4718] __dump_stack+0x30/0x40 [ 68.438325][ T4718] dump_stack_lvl+0xf8/0x160 [ 68.439598][ T4718] dump_stack+0x1c/0x5c [ 68.440692][ T4718] should_fail+0x3c0/0x51c [ 68.441864][ T4718] __should_failslab+0xbc/0x10c [ 68.443239][ T4718] should_failslab+0x10/0x28 [ 68.444491][ T4718] slab_pre_alloc_hook+0x64/0xec [ 68.445865][ T4718] kmem_cache_alloc+0x94/0x3e4 [ 68.447168][ T4718] new_inode_pseudo+0x10c/0x1fc [ 68.448485][ T4718] new_inode+0x38/0x174 [ 68.449614][ T4718] debugfs_create_dir+0xec/0x3f4 [ 68.450958][ T4718] nbd_start_device+0x3c8/0xb40 [ 68.452274][ T4718] nbd_ioctl+0x514/0xc50 [ 68.453420][ T4718] blkdev_ioctl+0x5f8/0xbb8 [ 68.454654][ T4718] block_ioctl+0xa4/0x118 [ 68.455779][ T4718] __arm64_sys_ioctl+0x14c/0x1c8 [ 68.457119][ T4718] invoke_syscall+0x98/0x2b8 [ 68.458353][ T4718] el0_svc_common+0x138/0x258 [ 68.459586][ T4718] do_el0_svc+0x58/0x14c [ 68.460775][ T4718] el0_svc+0x78/0x1e0 [ 68.461837][ T4718] el0t_64_sync_handler+0xcc/0xe4 [ 68.463155][ T4718] el0t_64_sync+0x1a0/0x1a4 [ 68.464816][ T4718] debugfs: out of free dentries, can not create directory 'nbd0' [ 68.466949][ T4718] block nbd0: Failed to create debugfs dir for 'nbd0' [ 68.476264][ T4724] block nbd0: shutting down sockets [ 68.605679][ T4733] block nbd0: Device being setup by another task [ 68.670096][ T4728] FAULT_INJECTION: forcing a failure. [ 68.670096][ T4728] name failslab, interval 1, probability 0, space 0, times 0 [ 68.673632][ T4728] CPU: 1 PID: 4728 Comm: syz-executor.0 Not tainted 5.15.181-syzkaller #0 [ 68.676008][ T4728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 68.678680][ T4728] Call trace: [ 68.679554][ T4728] dump_backtrace+0x0/0x43c [ 68.680767][ T4728] show_stack+0x2c/0x3c [ 68.681944][ T4728] __dump_stack+0x30/0x40 [ 68.683099][ T4728] dump_stack_lvl+0xf8/0x160 [ 68.684340][ T4728] dump_stack+0x1c/0x5c [ 68.685451][ T4728] should_fail+0x3c0/0x51c [ 68.686639][ T4728] __should_failslab+0xbc/0x10c [ 68.687956][ T4728] should_failslab+0x10/0x28 [ 68.689141][ T4728] slab_pre_alloc_hook+0x64/0xec [ 68.690469][ T4728] __kmalloc_track_caller+0x74/0x370 [ 68.691944][ T4728] kstrdup+0xe4/0x15c [ 68.693021][ T4728] kstrdup_const+0x54/0x6c [ 68.694180][ T4728] __kernfs_new_node+0xa8/0x5d8 [ 68.695460][ T4728] kernfs_new_node+0x11c/0x240 [ 68.696719][ T4728] kernfs_create_dir_ns+0x58/0x12c [ 68.698074][ T4728] sysfs_create_dir_ns+0x114/0x24c [ 68.699443][ T4728] kobject_add_internal+0x590/0xc54 [ 68.700868][ T4728] kobject_add+0x134/0x1f8 [ 68.702088][ T4728] blk_mq_register_hctx+0xc0/0x35c [ 68.703489][ T4728] blk_mq_sysfs_register+0xb8/0x18c [ 68.704868][ T4728] blk_mq_update_nr_hw_queues+0x78c/0xbfc [ 68.706402][ T4728] nbd_start_device+0x14c/0xb40 [ 68.707732][ T4728] nbd_ioctl+0x514/0xc50 [ 68.708865][ T4728] blkdev_ioctl+0x5f8/0xbb8 [ 68.710088][ T4728] block_ioctl+0xa4/0x118 [ 68.711277][ T4728] __arm64_sys_ioctl+0x14c/0x1c8 [ 68.712633][ T4728] invoke_syscall+0x98/0x2b8 [ 68.713890][ T4728] el0_svc_common+0x138/0x258 [ 68.715144][ T4728] do_el0_svc+0x58/0x14c [ 68.716271][ T4728] el0_svc+0x78/0x1e0 [ 68.717329][ T4728] el0t_64_sync_handler+0xcc/0xe4 [ 68.718630][ T4728] el0t_64_sync+0x1a0/0x1a4 [ 68.725785][ T4728] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 68.739244][ T4733] block nbd0: shutting down sockets [ 68.898334][ T4752] ------------[ cut here ]------------ [ 68.899803][ T4752] kernfs: can not remove 'nr_tags', no directory [ 68.901634][ T4752] WARNING: CPU: 1 PID: 4752 at fs/kernfs/dir.c:1557 kernfs_remove_by_name_ns+0xcc/0x158 [ 68.904159][ T4752] Modules linked in: [ 68.905311][ T4752] CPU: 1 PID: 4752 Comm: syz-executor.0 Not tainted 5.15.181-syzkaller #0 [ 68.907523][ T4752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 68.910256][ T4752] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 68.912310][ T4752] pc : kernfs_remove_by_name_ns+0xcc/0x158 [ 68.913958][ T4752] lr : kernfs_remove_by_name_ns+0xcc/0x158 [ 68.915579][ T4752] sp : ffff80001f617790 [ 68.916712][ T4752] x29: ffff80001f617790 x28: ffff0000cbe36000 x27: 0000000000000000 [ 68.918859][ T4752] x26: 0000000000000002 x25: ffff8000148eaba8 x24: 1ffff000022f275c [ 68.920969][ T4752] x23: dfff800000000000 x22: ffff8000148eabe0 x21: 0000000000000000 [ 68.923162][ T4752] x20: 0000000000000000 x19: ffff800011793b40 x18: 0000000000000001 [ 68.925382][ T4752] x17: 0000000000000000 x16: ffff8000111a3970 x15: 00000000ffffffff [ 68.927542][ T4752] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 68.929713][ T4752] x11: 0000000000000000 x10: 0000000000000000 x9 : 659589d018138d00 [ 68.931794][ T4752] x8 : 659589d018138d00 x7 : 0000000000000001 x6 : 0000000000000001 [ 68.933906][ T4752] x5 : ffff80001f617078 x4 : ffff80001422f280 x3 : ffff800008503848 [ 68.935979][ T4752] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 000000000000002e [ 68.938099][ T4752] Call trace: [ 68.938956][ T4752] kernfs_remove_by_name_ns+0xcc/0x158 [ 68.940419][ T4752] sysfs_remove_group+0xf8/0x288 [ 68.941719][ T4752] sysfs_remove_groups+0x5c/0xb4 [ 68.943054][ T4752] __kobject_del+0x90/0x2d4 [ 68.944299][ T4752] kobject_del+0x48/0x68 [ 68.945424][ T4752] blk_mq_sysfs_unregister+0x198/0x268 [ 68.946855][ T4752] blk_mq_update_nr_hw_queues+0x4d0/0xbfc [ 68.948359][ T4752] nbd_start_device+0x14c/0xb40 [ 68.949691][ T4752] nbd_ioctl+0x514/0xc50 [ 68.950902][ T4752] blkdev_ioctl+0x5f8/0xbb8 [ 68.952107][ T4752] block_ioctl+0xa4/0x118 [ 68.953217][ T4752] __arm64_sys_ioctl+0x14c/0x1c8 [ 68.954504][ T4752] invoke_syscall+0x98/0x2b8 [ 68.955691][ T4752] el0_svc_common+0x138/0x258 [ 68.956954][ T4752] do_el0_svc+0x58/0x14c [ 68.958117][ T4752] el0_svc+0x78/0x1e0 [ 68.959152][ T4752] el0t_64_sync_handler+0xcc/0xe4 [ 68.960480][ T4752] el0t_64_sync+0x1a0/0x1a4 [ 68.961717][ T4752] irq event stamp: 1990 [ 68.962807][ T4752] hardirqs last enabled at (1989): [] __up_console_sem+0xb4/0x100 [ 68.965375][ T4752] hardirqs last disabled at (1990): [] el1_dbg+0x24/0x80 [ 68.967686][ T4752] softirqs last enabled at (374): [] local_bh_enable+0x10/0x34 [ 68.970181][ T4752] softirqs last disabled at (372): [] local_bh_disable+0x10/0x34 [ 68.972741][ T4752] ---[ end trace ef2c23df0d511447 ]--- [ 68.977388][ T4752] ------------[ cut here ]------------ [ 68.978862][ T4752] kernfs: can not remove 'nr_reserved_tags', no directory [ 68.980755][ T4752] WARNING: CPU: 1 PID: 4752 at fs/kernfs/dir.c:1557 kernfs_remove_by_name_ns+0xcc/0x158 [ 68.983400][ T4752] Modules linked in: [ 68.984410][ T4752] CPU: 1 PID: 4752 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 68.987102][ T4752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 68.989844][ T4752] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 68.991958][ T4752] pc : kernfs_remove_by_name_ns+0xcc/0x158 [ 68.993445][ T4752] lr : kernfs_remove_by_name_ns+0xcc/0x158 [ 68.994975][ T4752] sp : ffff80001f617790 [ 68.996104][ T4752] x29: ffff80001f617790 x28: ffff0000cbe36000 x27: 0000000000000000 [ 68.998266][ T4752] x26: 0000000000000002 x25: ffff8000148eabb0 x24: 1ffff000022f275c [ 69.000386][ T4752] x23: dfff800000000000 x22: ffff8000148eac40 x21: 0000000000000000 [ 69.002487][ T4752] x20: 0000000000000000 x19: ffff800011793b80 x18: 0000000000000001 [ 69.004632][ T4752] x17: 0000000000000000 x16: ffff8000111a3970 x15: 00000000ffffffff [ 69.006777][ T4752] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 69.008877][ T4752] x11: 0000000000000000 x10: 0000000000000000 x9 : 659589d018138d00 [ 69.010971][ T4752] x8 : 659589d018138d00 x7 : 0000000000000001 x6 : 0000000000000001 [ 69.013166][ T4752] x5 : ffff80001f617078 x4 : ffff80001422f280 x3 : ffff800008503848 [ 69.015317][ T4752] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000037 [ 69.017418][ T4752] Call trace: [ 69.018289][ T4752] kernfs_remove_by_name_ns+0xcc/0x158 [ 69.019744][ T4752] sysfs_remove_group+0xf8/0x288 [ 69.021032][ T4752] sysfs_remove_groups+0x5c/0xb4 [ 69.022358][ T4752] __kobject_del+0x90/0x2d4 [ 69.023558][ T4752] kobject_del+0x48/0x68 [ 69.024677][ T4752] blk_mq_sysfs_unregister+0x198/0x268 [ 69.026128][ T4752] blk_mq_update_nr_hw_queues+0x4d0/0xbfc [ 69.027622][ T4752] nbd_start_device+0x14c/0xb40 [ 69.028919][ T4752] nbd_ioctl+0x514/0xc50 [ 69.030072][ T4752] blkdev_ioctl+0x5f8/0xbb8 [ 69.031301][ T4752] block_ioctl+0xa4/0x118 [ 69.032508][ T4752] __arm64_sys_ioctl+0x14c/0x1c8 [ 69.033829][ T4752] invoke_syscall+0x98/0x2b8 [ 69.035083][ T4752] el0_svc_common+0x138/0x258 [ 69.036304][ T4752] do_el0_svc+0x58/0x14c [ 69.037446][ T4752] el0_svc+0x78/0x1e0 [ 69.038470][ T4752] el0t_64_sync_handler+0xcc/0xe4 [ 69.039779][ T4752] el0t_64_sync+0x1a0/0x1a4 [ 69.040966][ T4752] irq event stamp: 2078 [ 69.042035][ T4752] hardirqs last enabled at (2077): [] __up_console_sem+0xb4/0x100 [ 69.044636][ T4752] hardirqs last disabled at (2078): [] el1_dbg+0x24/0x80 [ 69.046893][ T4752] softirqs last enabled at (2056): [] handle_softirqs+0xa4c/0xbf0 [ 69.049349][ T4752] softirqs last disabled at (1993): [] __irq_exit_rcu+0x240/0x440 [ 69.051845][ T4752] ---[ end trace ef2c23df0d511448 ]--- [ 69.053520][ T4752] ------------[ cut here ]------------ [ 69.055139][ T4752] kernfs: can not remove 'cpu_list', no directory [ 69.056857][ T4752] WARNING: CPU: 1 PID: 4752 at fs/kernfs/dir.c:1557 kernfs_remove_by_name_ns+0xcc/0x158 [ 69.059514][ T4752] Modules linked in: [ 69.060515][ T4752] CPU: 1 PID: 4752 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 69.063102][ T4752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 69.065715][ T4752] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 69.067783][ T4752] pc : kernfs_remove_by_name_ns+0xcc/0x158 [ 69.069389][ T4752] lr : kernfs_remove_by_name_ns+0xcc/0x158 [ 69.070907][ T4752] sp : ffff80001f617790 [ 69.072043][ T4752] x29: ffff80001f617790 x28: ffff0000cbe36000 x27: 0000000000000000 [ 69.074135][ T4752] x26: 0000000000000002 x25: ffff8000148eabb8 x24: 1ffff000022f275c [ 69.076253][ T4752] x23: dfff800000000000 x22: ffff8000148eaca0 x21: 0000000000000000 [ 69.078512][ T4752] x20: 0000000000000000 x19: ffff800011793bc0 x18: 0000000000000001 [ 69.080575][ T4752] x17: 0000000000000000 x16: ffff8000083007d8 x15: 00000000ffffffff [ 69.082637][ T4752] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 69.084610][ T4752] x11: 0000000000000000 x10: 0000000000000000 x9 : 659589d018138d00 [ 69.086634][ T4752] x8 : 659589d018138d00 x7 : 0000000000000001 x6 : 0000000000000001 [ 69.088613][ T4752] x5 : ffff80001f617078 x4 : ffff80001422f280 x3 : ffff8000083008e8 [ 69.090601][ T4752] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 000000000000002f [ 69.092715][ T4752] Call trace: [ 69.093566][ T4752] kernfs_remove_by_name_ns+0xcc/0x158 [ 69.095052][ T4752] sysfs_remove_group+0xf8/0x288 [ 69.096463][ T4752] sysfs_remove_groups+0x5c/0xb4 [ 69.097768][ T4752] __kobject_del+0x90/0x2d4 [ 69.098991][ T4752] kobject_del+0x48/0x68 [ 69.100205][ T4752] blk_mq_sysfs_unregister+0x198/0x268 [ 69.101650][ T4752] blk_mq_update_nr_hw_queues+0x4d0/0xbfc [ 69.103195][ T4752] nbd_start_device+0x14c/0xb40 [ 69.104494][ T4752] nbd_ioctl+0x514/0xc50 [ 69.105651][ T4752] blkdev_ioctl+0x5f8/0xbb8 [ 69.106820][ T4752] block_ioctl+0xa4/0x118 [ 69.107990][ T4752] __arm64_sys_ioctl+0x14c/0x1c8 [ 69.109270][ T4752] invoke_syscall+0x98/0x2b8 [ 69.110458][ T4752] el0_svc_common+0x138/0x258 [ 69.111761][ T4752] do_el0_svc+0x58/0x14c [ 69.112897][ T4752] el0_svc+0x78/0x1e0 [ 69.113965][ T4752] el0t_64_sync_handler+0xcc/0xe4 [ 69.115342][ T4752] el0t_64_sync+0x1a0/0x1a4 [ 69.116522][ T4752] irq event stamp: 2138 [ 69.117590][ T4752] hardirqs last enabled at (2137): [] __up_console_sem+0xb4/0x100 [ 69.120193][ T4752] hardirqs last disabled at (2138): [] el1_dbg+0x24/0x80 [ 69.122414][ T4752] softirqs last enabled at (2124): [] handle_softirqs+0xa4c/0xbf0 [ 69.124981][ T4752] softirqs last disabled at (2115): [] __irq_exit_rcu+0x240/0x440 [ 69.127515][ T4752] ---[ end trace ef2c23df0d511449 ]--- [ 69.132819][ T4752] FAULT_INJECTION: forcing a failure. [ 69.132819][ T4752] name failslab, interval 1, probability 0, space 0, times 0 [ 69.136298][ T4752] CPU: 1 PID: 4752 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 69.138979][ T4752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 69.141664][ T4752] Call trace: [ 69.142566][ T4752] dump_backtrace+0x0/0x43c [ 69.143758][ T4752] show_stack+0x2c/0x3c [ 69.144798][ T4752] __dump_stack+0x30/0x40 [ 69.145927][ T4752] dump_stack_lvl+0xf8/0x160 [ 69.147138][ T4752] dump_stack+0x1c/0x5c [ 69.148234][ T4752] should_fail+0x3c0/0x51c [ 69.149392][ T4752] __should_failslab+0xbc/0x10c [ 69.150690][ T4752] should_failslab+0x10/0x28 [ 69.151887][ T4752] slab_pre_alloc_hook+0x64/0xec [ 69.153154][ T4752] __kmalloc_node+0xb8/0x520 [ 69.154359][ T4752] blk_mq_update_nr_hw_queues+0x54c/0xbfc [ 69.154989][ T7] Bluetooth: hci0: command 0x040f tx timeout [ 69.155872][ T4752] nbd_start_device+0x14c/0xb40 [ 69.155888][ T4752] nbd_ioctl+0x514/0xc50 [ 69.155897][ T4752] blkdev_ioctl+0x5f8/0xbb8 [ 69.155906][ T4752] block_ioctl+0xa4/0x118 [ 69.162261][ T4752] __arm64_sys_ioctl+0x14c/0x1c8 [ 69.163604][ T4752] invoke_syscall+0x98/0x2b8 [ 69.164919][ T4752] el0_svc_common+0x138/0x258 [ 69.166191][ T4752] do_el0_svc+0x58/0x14c [ 69.167361][ T4752] el0_svc+0x78/0x1e0 [ 69.168400][ T4752] el0t_64_sync_handler+0xcc/0xe4 [ 69.169710][ T4752] el0t_64_sync+0x1a0/0x1a4 [ 69.176282][ T4755] block nbd0: shutting down sockets [ 69.308512][ T4758] FAULT_INJECTION: forcing a failure. [ 69.308512][ T4758] name failslab, interval 1, probability 0, space 0, times 0 [ 69.311877][ T4758] CPU: 1 PID: 4758 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 69.314434][ T4758] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 69.317096][ T4758] Call trace: [ 69.317944][ T4758] dump_backtrace+0x0/0x43c [ 69.319132][ T4758] show_stack+0x2c/0x3c [ 69.320233][ T4758] __dump_stack+0x30/0x40 [ 69.321376][ T4758] dump_stack_lvl+0xf8/0x160 [ 69.322575][ T4758] dump_stack+0x1c/0x5c [ 69.323683][ T4758] should_fail+0x3c0/0x51c [ 69.324803][ T4758] __should_failslab+0xbc/0x10c [ 69.326063][ T4758] should_failslab+0x10/0x28 [ 69.327282][ T4758] slab_pre_alloc_hook+0x64/0xec [ 69.328563][ T4758] __kmalloc_node+0xb8/0x520 [ 69.329752][ T4758] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 69.331153][ T4758] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 69.332693][ T4758] nbd_start_device+0x14c/0xb40 [ 69.333940][ T4758] nbd_ioctl+0x514/0xc50 [ 69.335105][ T4758] blkdev_ioctl+0x5f8/0xbb8 [ 69.336263][ T4758] block_ioctl+0xa4/0x118 [ 69.337405][ T4758] __arm64_sys_ioctl+0x14c/0x1c8 [ 69.338760][ T4758] invoke_syscall+0x98/0x2b8 [ 69.339967][ T4758] el0_svc_common+0x138/0x258 [ 69.341235][ T4758] do_el0_svc+0x58/0x14c [ 69.342353][ T4758] el0_svc+0x78/0x1e0 [ 69.343445][ T4758] el0t_64_sync_handler+0xcc/0xe4 [ 69.344762][ T4758] el0t_64_sync+0x1a0/0x1a4 [ 69.348723][ T4758] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 69.354542][ T4759] block nbd0: shutting down sockets [ 69.508387][ T4761] FAULT_INJECTION: forcing a failure. [ 69.508387][ T4761] name failslab, interval 1, probability 0, space 0, times 0 [ 69.511781][ T4761] CPU: 0 PID: 4761 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 69.514428][ T4761] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 69.517175][ T4761] Call trace: [ 69.518055][ T4761] dump_backtrace+0x0/0x43c [ 69.519275][ T4761] show_stack+0x2c/0x3c [ 69.520360][ T4761] __dump_stack+0x30/0x40 [ 69.521485][ T4761] dump_stack_lvl+0xf8/0x160 [ 69.522728][ T4761] dump_stack+0x1c/0x5c [ 69.523833][ T4761] should_fail+0x3c0/0x51c [ 69.525009][ T4761] __should_failslab+0xbc/0x10c [ 69.526337][ T4761] should_failslab+0x10/0x28 [ 69.527523][ T4761] slab_pre_alloc_hook+0x64/0xec [ 69.528852][ T4761] __kmalloc_node+0xb8/0x520 [ 69.530074][ T4761] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 69.531512][ T4761] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 69.533075][ T4761] nbd_start_device+0x14c/0xb40 [ 69.534384][ T4761] nbd_ioctl+0x514/0xc50 [ 69.535545][ T4761] blkdev_ioctl+0x5f8/0xbb8 [ 69.536760][ T4761] block_ioctl+0xa4/0x118 [ 69.537906][ T4761] __arm64_sys_ioctl+0x14c/0x1c8 [ 69.539233][ T4761] invoke_syscall+0x98/0x2b8 [ 69.540449][ T4761] el0_svc_common+0x138/0x258 [ 69.541691][ T4761] do_el0_svc+0x58/0x14c [ 69.542882][ T4761] el0_svc+0x78/0x1e0 [ 69.543939][ T4761] el0t_64_sync_handler+0xcc/0xe4 [ 69.545279][ T4761] el0t_64_sync+0x1a0/0x1a4 [ 69.546656][ T4761] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 69.552450][ T4762] block nbd0: shutting down sockets [ 69.636329][ T2055] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.638297][ T2055] ieee802154 phy1 wpan1: encryption failed: -22 [ 69.688306][ T4764] FAULT_INJECTION: forcing a failure. [ 69.688306][ T4764] name failslab, interval 1, probability 0, space 0, times 0 [ 69.691842][ T4764] CPU: 0 PID: 4764 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 69.694486][ T4764] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 69.697124][ T4764] Call trace: [ 69.698006][ T4764] dump_backtrace+0x0/0x43c [ 69.699225][ T4764] show_stack+0x2c/0x3c [ 69.700337][ T4764] __dump_stack+0x30/0x40 [ 69.701475][ T4764] dump_stack_lvl+0xf8/0x160 [ 69.702687][ T4764] dump_stack+0x1c/0x5c [ 69.703803][ T4764] should_fail+0x3c0/0x51c [ 69.704974][ T4764] __should_failslab+0xbc/0x10c [ 69.706259][ T4764] should_failslab+0x10/0x28 [ 69.707494][ T4764] slab_pre_alloc_hook+0x64/0xec [ 69.708806][ T4764] __kmalloc_node+0xb8/0x520 [ 69.710004][ T4764] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 69.711471][ T4764] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 69.713015][ T4764] nbd_start_device+0x14c/0xb40 [ 69.714324][ T4764] nbd_ioctl+0x514/0xc50 [ 69.715447][ T4764] blkdev_ioctl+0x5f8/0xbb8 [ 69.716667][ T4764] block_ioctl+0xa4/0x118 [ 69.717857][ T4764] __arm64_sys_ioctl+0x14c/0x1c8 [ 69.719191][ T4764] invoke_syscall+0x98/0x2b8 [ 69.720420][ T4764] el0_svc_common+0x138/0x258 [ 69.721694][ T4764] do_el0_svc+0x58/0x14c [ 69.722836][ T4764] el0_svc+0x78/0x1e0 [ 69.723890][ T4764] el0t_64_sync_handler+0xcc/0xe4 [ 69.725215][ T4764] el0t_64_sync+0x1a0/0x1a4 [ 69.727073][ T4764] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 69.732818][ T4765] block nbd0: shutting down sockets [ 69.845385][ T4768] block nbd0: Device being setup by another task [ 69.847823][ T4767] FAULT_INJECTION: forcing a failure. [ 69.847823][ T4767] name failslab, interval 1, probability 0, space 0, times 0 [ 69.851354][ T4767] CPU: 0 PID: 4767 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 69.853960][ T4767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 69.856789][ T4767] Call trace: [ 69.857686][ T4767] dump_backtrace+0x0/0x43c [ 69.858936][ T4767] show_stack+0x2c/0x3c [ 69.860067][ T4767] __dump_stack+0x30/0x40 [ 69.861288][ T4767] dump_stack_lvl+0xf8/0x160 [ 69.862506][ T4767] dump_stack+0x1c/0x5c [ 69.863648][ T4767] should_fail+0x3c0/0x51c [ 69.864858][ T4767] __should_failslab+0xbc/0x10c [ 69.866177][ T4767] should_failslab+0x10/0x28 [ 69.867385][ T4767] slab_pre_alloc_hook+0x64/0xec [ 69.868691][ T4767] __kmalloc_node+0xb8/0x520 [ 69.869890][ T4767] memcg_alloc_page_obj_cgroups+0x80/0x174 [ 69.871437][ T4767] slab_post_alloc_hook+0xc0/0x408 [ 69.872832][ T4767] kmem_cache_alloc+0x1e0/0x3e4 [ 69.874147][ T4767] __d_alloc+0x3c/0x65c [ 69.875292][ T4767] d_alloc_parallel+0x80/0x1104 [ 69.876580][ T4767] __lookup_slow+0x104/0x380 [ 69.877812][ T4767] lookup_one_len+0x178/0x28c [ 69.879052][ T4767] start_creating+0x19c/0x2e0 [ 69.880325][ T4767] debugfs_create_dir+0x30/0x3f4 [ 69.881660][ T4767] nbd_start_device+0x3c8/0xb40 [ 69.882989][ T4767] nbd_ioctl+0x514/0xc50 [ 69.884137][ T4767] blkdev_ioctl+0x5f8/0xbb8 [ 69.885333][ T4767] block_ioctl+0xa4/0x118 [ 69.886459][ T4767] __arm64_sys_ioctl+0x14c/0x1c8 [ 69.887767][ T4767] invoke_syscall+0x98/0x2b8 [ 69.888966][ T4767] el0_svc_common+0x138/0x258 [ 69.890268][ T4767] do_el0_svc+0x58/0x14c [ 69.891409][ T4767] el0_svc+0x78/0x1e0 [ 69.892541][ T4767] el0t_64_sync_handler+0xcc/0xe4 [ 69.893867][ T4767] el0t_64_sync+0x1a0/0x1a4 [ 69.900882][ T4768] block nbd0: shutting down sockets [ 70.009139][ T4770] FAULT_INJECTION: forcing a failure. [ 70.009139][ T4770] name failslab, interval 1, probability 0, space 0, times 0 [ 70.012557][ T4770] CPU: 1 PID: 4770 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 70.015231][ T4770] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 70.017931][ T4770] Call trace: [ 70.018784][ T4770] dump_backtrace+0x0/0x43c [ 70.019955][ T4770] show_stack+0x2c/0x3c [ 70.021062][ T4770] __dump_stack+0x30/0x40 [ 70.022241][ T4770] dump_stack_lvl+0xf8/0x160 [ 70.023465][ T4770] dump_stack+0x1c/0x5c [ 70.024571][ T4770] should_fail+0x3c0/0x51c [ 70.025703][ T4770] __should_failslab+0xbc/0x10c [ 70.026955][ T4770] should_failslab+0x10/0x28 [ 70.028214][ T4770] slab_pre_alloc_hook+0x64/0xec [ 70.029549][ T4770] __kmalloc_node+0xb8/0x520 [ 70.030775][ T4770] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 70.032211][ T4770] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 70.033749][ T4770] nbd_start_device+0x14c/0xb40 [ 70.035013][ T4770] nbd_ioctl+0x514/0xc50 [ 70.036113][ T4770] blkdev_ioctl+0x5f8/0xbb8 [ 70.037446][ T4770] block_ioctl+0xa4/0x118 [ 70.038664][ T4770] __arm64_sys_ioctl+0x14c/0x1c8 [ 70.040001][ T4770] invoke_syscall+0x98/0x2b8 [ 70.041204][ T4770] el0_svc_common+0x138/0x258 [ 70.042436][ T4770] do_el0_svc+0x58/0x14c [ 70.043565][ T4770] el0_svc+0x78/0x1e0 [ 70.044683][ T4770] el0t_64_sync_handler+0xcc/0xe4 [ 70.045983][ T4770] el0t_64_sync+0x1a0/0x1a4 [ 70.048614][ T4770] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 70.054436][ T4771] block nbd0: shutting down sockets [ 70.178680][ T4773] FAULT_INJECTION: forcing a failure. [ 70.178680][ T4773] name failslab, interval 1, probability 0, space 0, times 0 [ 70.182181][ T4773] CPU: 1 PID: 4773 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 70.184869][ T4773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 70.187662][ T4773] Call trace: [ 70.188539][ T4773] dump_backtrace+0x0/0x43c [ 70.189757][ T4773] show_stack+0x2c/0x3c [ 70.190892][ T4773] __dump_stack+0x30/0x40 [ 70.192066][ T4773] dump_stack_lvl+0xf8/0x160 [ 70.193314][ T4773] dump_stack+0x1c/0x5c [ 70.194446][ T4773] should_fail+0x3c0/0x51c [ 70.195653][ T4773] __should_failslab+0xbc/0x10c [ 70.196962][ T4773] should_failslab+0x10/0x28 [ 70.198225][ T4773] slab_pre_alloc_hook+0x64/0xec [ 70.199560][ T4773] __kmalloc_node+0xb8/0x520 [ 70.200757][ T4773] blk_mq_update_nr_hw_queues+0x54c/0xbfc [ 70.202274][ T4773] nbd_start_device+0x14c/0xb40 [ 70.203585][ T4773] nbd_ioctl+0x514/0xc50 [ 70.204749][ T4773] blkdev_ioctl+0x5f8/0xbb8 [ 70.205981][ T4773] block_ioctl+0xa4/0x118 [ 70.207183][ T4773] __arm64_sys_ioctl+0x14c/0x1c8 [ 70.208499][ T4773] invoke_syscall+0x98/0x2b8 [ 70.209801][ T4773] el0_svc_common+0x138/0x258 [ 70.211099][ T4773] do_el0_svc+0x58/0x14c [ 70.212251][ T4773] el0_svc+0x78/0x1e0 [ 70.213356][ T4773] el0t_64_sync_handler+0xcc/0xe4 [ 70.214763][ T4773] el0t_64_sync+0x1a0/0x1a4 [ 70.221144][ T4774] block nbd0: shutting down sockets [ 70.329138][ T4776] FAULT_INJECTION: forcing a failure. [ 70.329138][ T4776] name failslab, interval 1, probability 0, space 0, times 0 [ 70.332691][ T4776] CPU: 1 PID: 4776 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 70.335360][ T4776] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 70.337969][ T4776] Call trace: [ 70.338793][ T4776] dump_backtrace+0x0/0x43c [ 70.339967][ T4776] show_stack+0x2c/0x3c [ 70.341094][ T4776] __dump_stack+0x30/0x40 [ 70.342239][ T4776] dump_stack_lvl+0xf8/0x160 [ 70.343459][ T4776] dump_stack+0x1c/0x5c [ 70.344598][ T4776] should_fail+0x3c0/0x51c [ 70.345754][ T4776] __should_failslab+0xbc/0x10c [ 70.347053][ T4776] should_failslab+0x10/0x28 [ 70.348331][ T4776] slab_pre_alloc_hook+0x64/0xec [ 70.349665][ T4776] __kmalloc_node+0xb8/0x520 [ 70.350888][ T4776] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 70.352346][ T4776] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 70.353869][ T4776] nbd_start_device+0x14c/0xb40 [ 70.355225][ T4776] nbd_ioctl+0x514/0xc50 [ 70.356358][ T4776] blkdev_ioctl+0x5f8/0xbb8 [ 70.357581][ T4776] block_ioctl+0xa4/0x118 [ 70.358736][ T4776] __arm64_sys_ioctl+0x14c/0x1c8 [ 70.360021][ T4776] invoke_syscall+0x98/0x2b8 [ 70.361286][ T4776] el0_svc_common+0x138/0x258 [ 70.362520][ T4776] do_el0_svc+0x58/0x14c [ 70.363642][ T4776] el0_svc+0x78/0x1e0 [ 70.364712][ T4776] el0t_64_sync_handler+0xcc/0xe4 [ 70.366024][ T4776] el0t_64_sync+0x1a0/0x1a4 [ 70.367503][ T4776] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 70.375019][ T4777] block nbd0: shutting down sockets [ 70.518666][ T4780] FAULT_INJECTION: forcing a failure. [ 70.518666][ T4780] name failslab, interval 1, probability 0, space 0, times 0 [ 70.522075][ T4780] CPU: 0 PID: 4780 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 70.524680][ T4780] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 70.527396][ T4780] Call trace: [ 70.528268][ T4780] dump_backtrace+0x0/0x43c [ 70.529436][ T4780] show_stack+0x2c/0x3c [ 70.530562][ T4780] __dump_stack+0x30/0x40 [ 70.531762][ T4780] dump_stack_lvl+0xf8/0x160 [ 70.533009][ T4780] dump_stack+0x1c/0x5c [ 70.534112][ T4780] should_fail+0x3c0/0x51c [ 70.535321][ T4780] __should_failslab+0xbc/0x10c [ 70.536585][ T4780] should_failslab+0x10/0x28 [ 70.537864][ T4780] slab_pre_alloc_hook+0x64/0xec [ 70.539199][ T4780] __kmalloc_node+0xb8/0x520 [ 70.540441][ T4780] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 70.541877][ T4780] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 70.543392][ T4780] nbd_start_device+0x14c/0xb40 [ 70.544673][ T4780] nbd_ioctl+0x514/0xc50 [ 70.545813][ T4780] blkdev_ioctl+0x5f8/0xbb8 [ 70.546989][ T4780] block_ioctl+0xa4/0x118 [ 70.548160][ T4780] __arm64_sys_ioctl+0x14c/0x1c8 [ 70.549479][ T4780] invoke_syscall+0x98/0x2b8 [ 70.550649][ T4780] el0_svc_common+0x138/0x258 [ 70.551850][ T4780] do_el0_svc+0x58/0x14c [ 70.553026][ T4780] el0_svc+0x78/0x1e0 [ 70.554114][ T4780] el0t_64_sync_handler+0xcc/0xe4 [ 70.555458][ T4780] el0t_64_sync+0x1a0/0x1a4 [ 70.556875][ T4780] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 70.562329][ T4779] block nbd0: shutting down sockets [ 70.698987][ T4782] FAULT_INJECTION: forcing a failure. [ 70.698987][ T4782] name failslab, interval 1, probability 0, space 0, times 0 [ 70.702719][ T4782] CPU: 1 PID: 4782 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 70.705279][ T4782] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 70.707989][ T4782] Call trace: [ 70.708867][ T4782] dump_backtrace+0x0/0x43c [ 70.710123][ T4782] show_stack+0x2c/0x3c [ 70.711272][ T4782] __dump_stack+0x30/0x40 [ 70.712432][ T4782] dump_stack_lvl+0xf8/0x160 [ 70.713637][ T4782] dump_stack+0x1c/0x5c [ 70.714770][ T4782] should_fail+0x3c0/0x51c [ 70.715985][ T4782] __should_failslab+0xbc/0x10c [ 70.717277][ T4782] should_failslab+0x10/0x28 [ 70.718509][ T4782] slab_pre_alloc_hook+0x64/0xec [ 70.719808][ T4782] __kmalloc_node+0xb8/0x520 [ 70.721059][ T4782] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 70.722516][ T4782] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 70.724059][ T4782] nbd_start_device+0x14c/0xb40 [ 70.725359][ T4782] nbd_ioctl+0x514/0xc50 [ 70.726504][ T4782] blkdev_ioctl+0x5f8/0xbb8 [ 70.727722][ T4782] block_ioctl+0xa4/0x118 [ 70.728851][ T4782] __arm64_sys_ioctl+0x14c/0x1c8 [ 70.730191][ T4782] invoke_syscall+0x98/0x2b8 [ 70.731410][ T4782] el0_svc_common+0x138/0x258 [ 70.732639][ T4782] do_el0_svc+0x58/0x14c [ 70.733771][ T4782] el0_svc+0x78/0x1e0 [ 70.734808][ T4782] el0t_64_sync_handler+0xcc/0xe4 [ 70.736118][ T4782] el0t_64_sync+0x1a0/0x1a4 [ 70.737527][ T4782] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 70.742346][ T4783] block nbd0: shutting down sockets [ 70.888358][ T4785] FAULT_INJECTION: forcing a failure. [ 70.888358][ T4785] name failslab, interval 1, probability 0, space 0, times 0 [ 70.891940][ T4785] CPU: 0 PID: 4785 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 70.894609][ T4785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 70.897389][ T4785] Call trace: [ 70.898241][ T4785] dump_backtrace+0x0/0x43c [ 70.899402][ T4785] show_stack+0x2c/0x3c [ 70.900505][ T4785] __dump_stack+0x30/0x40 [ 70.901667][ T4785] dump_stack_lvl+0xf8/0x160 [ 70.902902][ T4785] dump_stack+0x1c/0x5c [ 70.903990][ T4785] should_fail+0x3c0/0x51c [ 70.905183][ T4785] __should_failslab+0xbc/0x10c [ 70.906526][ T4785] should_failslab+0x10/0x28 [ 70.907738][ T4785] slab_pre_alloc_hook+0x64/0xec [ 70.909051][ T4785] __kmalloc_node+0xb8/0x520 [ 70.910267][ T4785] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 70.911699][ T4785] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 70.913226][ T4785] nbd_start_device+0x14c/0xb40 [ 70.914572][ T4785] nbd_ioctl+0x514/0xc50 [ 70.915735][ T4785] blkdev_ioctl+0x5f8/0xbb8 [ 70.916903][ T4785] block_ioctl+0xa4/0x118 [ 70.918067][ T4785] __arm64_sys_ioctl+0x14c/0x1c8 [ 70.919408][ T4785] invoke_syscall+0x98/0x2b8 [ 70.920629][ T4785] el0_svc_common+0x138/0x258 [ 70.921861][ T4785] do_el0_svc+0x58/0x14c [ 70.922988][ T4785] el0_svc+0x78/0x1e0 [ 70.924034][ T4785] el0t_64_sync_handler+0xcc/0xe4 [ 70.925382][ T4785] el0t_64_sync+0x1a0/0x1a4 [ 70.927408][ T4785] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 70.932993][ T4786] block nbd0: shutting down sockets [ 71.078565][ T4788] FAULT_INJECTION: forcing a failure. [ 71.078565][ T4788] name failslab, interval 1, probability 0, space 0, times 0 [ 71.081920][ T4788] CPU: 1 PID: 4788 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 71.084628][ T4788] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 71.087340][ T4788] Call trace: [ 71.088186][ T4788] dump_backtrace+0x0/0x43c [ 71.089376][ T4788] show_stack+0x2c/0x3c [ 71.090514][ T4788] __dump_stack+0x30/0x40 [ 71.091649][ T4788] dump_stack_lvl+0xf8/0x160 [ 71.092833][ T4788] dump_stack+0x1c/0x5c [ 71.093962][ T4788] should_fail+0x3c0/0x51c [ 71.095088][ T4788] __should_failslab+0xbc/0x10c [ 71.096360][ T4788] should_failslab+0x10/0x28 [ 71.097625][ T4788] slab_pre_alloc_hook+0x64/0xec [ 71.098920][ T4788] __kmalloc_node+0xb8/0x520 [ 71.100154][ T4788] blk_mq_update_nr_hw_queues+0x54c/0xbfc [ 71.101695][ T4788] nbd_start_device+0x14c/0xb40 [ 71.103017][ T4788] nbd_ioctl+0x514/0xc50 [ 71.104176][ T4788] blkdev_ioctl+0x5f8/0xbb8 [ 71.105403][ T4788] block_ioctl+0xa4/0x118 [ 71.106583][ T4788] __arm64_sys_ioctl+0x14c/0x1c8 [ 71.107853][ T4788] invoke_syscall+0x98/0x2b8 [ 71.109017][ T4788] el0_svc_common+0x138/0x258 [ 71.110333][ T4788] do_el0_svc+0x58/0x14c [ 71.111468][ T4788] el0_svc+0x78/0x1e0 [ 71.112540][ T4788] el0t_64_sync_handler+0xcc/0xe4 [ 71.113974][ T4788] el0t_64_sync+0x1a0/0x1a4 [ 71.119820][ T4789] block nbd0: shutting down sockets [ 71.234728][ T4048] Bluetooth: hci0: command 0x0419 tx timeout [ 71.248500][ T4791] FAULT_INJECTION: forcing a failure. [ 71.248500][ T4791] name failslab, interval 1, probability 0, space 0, times 0 [ 71.251887][ T4791] CPU: 1 PID: 4791 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 71.254541][ T4791] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 71.257254][ T4791] Call trace: [ 71.258116][ T4791] dump_backtrace+0x0/0x43c [ 71.259360][ T4791] show_stack+0x2c/0x3c [ 71.260428][ T4791] __dump_stack+0x30/0x40 [ 71.261570][ T4791] dump_stack_lvl+0xf8/0x160 [ 71.262762][ T4791] dump_stack+0x1c/0x5c [ 71.263843][ T4791] should_fail+0x3c0/0x51c [ 71.265008][ T4791] __should_failslab+0xbc/0x10c [ 71.266275][ T4791] should_failslab+0x10/0x28 [ 71.267492][ T4791] slab_pre_alloc_hook+0x64/0xec [ 71.268802][ T4791] __kmalloc_node+0xb8/0x520 [ 71.270004][ T4791] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 71.271428][ T4791] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 71.273007][ T4791] nbd_start_device+0x14c/0xb40 [ 71.274310][ T4791] nbd_ioctl+0x514/0xc50 [ 71.275414][ T4791] blkdev_ioctl+0x5f8/0xbb8 [ 71.276639][ T4791] block_ioctl+0xa4/0x118 [ 71.277788][ T4791] __arm64_sys_ioctl+0x14c/0x1c8 [ 71.279085][ T4791] invoke_syscall+0x98/0x2b8 [ 71.280319][ T4791] el0_svc_common+0x138/0x258 [ 71.281625][ T4791] do_el0_svc+0x58/0x14c [ 71.282731][ T4791] el0_svc+0x78/0x1e0 [ 71.283809][ T4791] el0t_64_sync_handler+0xcc/0xe4 [ 71.285122][ T4791] el0t_64_sync+0x1a0/0x1a4 [ 71.288451][ T4791] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 71.293276][ T4792] block nbd0: shutting down sockets [ 71.418495][ T4795] FAULT_INJECTION: forcing a failure. [ 71.418495][ T4795] name failslab, interval 1, probability 0, space 0, times 0 [ 71.421857][ T4795] CPU: 0 PID: 4795 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 71.424466][ T4795] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 71.427182][ T4795] Call trace: [ 71.428055][ T4795] dump_backtrace+0x0/0x43c [ 71.429253][ T4795] show_stack+0x2c/0x3c [ 71.430352][ T4795] __dump_stack+0x30/0x40 [ 71.431530][ T4795] dump_stack_lvl+0xf8/0x160 [ 71.432721][ T4795] dump_stack+0x1c/0x5c [ 71.433808][ T4795] should_fail+0x3c0/0x51c [ 71.434957][ T4795] __should_failslab+0xbc/0x10c [ 71.436258][ T4795] should_failslab+0x10/0x28 [ 71.437463][ T4795] slab_pre_alloc_hook+0x64/0xec [ 71.438821][ T4795] __kmalloc_node+0xb8/0x520 [ 71.440038][ T4795] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 71.441518][ T4795] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 71.443030][ T4795] nbd_start_device+0x14c/0xb40 [ 71.444313][ T4795] nbd_ioctl+0x514/0xc50 [ 71.445489][ T4795] blkdev_ioctl+0x5f8/0xbb8 [ 71.446692][ T4795] block_ioctl+0xa4/0x118 [ 71.447839][ T4795] __arm64_sys_ioctl+0x14c/0x1c8 [ 71.449165][ T4795] invoke_syscall+0x98/0x2b8 [ 71.450396][ T4795] el0_svc_common+0x138/0x258 [ 71.451607][ T4795] do_el0_svc+0x58/0x14c [ 71.452684][ T4795] el0_svc+0x78/0x1e0 [ 71.453750][ T4795] el0t_64_sync_handler+0xcc/0xe4 [ 71.455140][ T4795] el0t_64_sync+0x1a0/0x1a4 [ 71.457204][ T4795] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 71.461877][ T4796] block nbd0: shutting down sockets [ 71.578556][ T4798] FAULT_INJECTION: forcing a failure. [ 71.578556][ T4798] name failslab, interval 1, probability 0, space 0, times 0 [ 71.582075][ T4798] CPU: 0 PID: 4798 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 71.584735][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 71.587444][ T4798] Call trace: [ 71.588335][ T4798] dump_backtrace+0x0/0x43c [ 71.589526][ T4798] show_stack+0x2c/0x3c [ 71.590678][ T4798] __dump_stack+0x30/0x40 [ 71.591828][ T4798] dump_stack_lvl+0xf8/0x160 [ 71.593029][ T4798] dump_stack+0x1c/0x5c [ 71.594191][ T4798] should_fail+0x3c0/0x51c [ 71.595335][ T4798] __should_failslab+0xbc/0x10c [ 71.596605][ T4798] should_failslab+0x10/0x28 [ 71.597759][ T4798] slab_pre_alloc_hook+0x64/0xec [ 71.599067][ T4798] __kmalloc_node+0xb8/0x520 [ 71.600305][ T4798] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 71.601753][ T4798] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 71.603283][ T4798] nbd_start_device+0x14c/0xb40 [ 71.604509][ T4798] nbd_ioctl+0x514/0xc50 [ 71.605644][ T4798] blkdev_ioctl+0x5f8/0xbb8 [ 71.606834][ T4798] block_ioctl+0xa4/0x118 [ 71.607989][ T4798] __arm64_sys_ioctl+0x14c/0x1c8 [ 71.609340][ T4798] invoke_syscall+0x98/0x2b8 [ 71.610540][ T4798] el0_svc_common+0x138/0x258 [ 71.611756][ T4798] do_el0_svc+0x58/0x14c [ 71.612900][ T4798] el0_svc+0x78/0x1e0 [ 71.613963][ T4798] el0t_64_sync_handler+0xcc/0xe4 [ 71.615356][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 71.616781][ T4798] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 71.622100][ T4799] block nbd0: shutting down sockets [ 71.769390][ T4802] FAULT_INJECTION: forcing a failure. [ 71.769390][ T4802] name failslab, interval 1, probability 0, space 0, times 0 [ 71.772743][ T4802] CPU: 1 PID: 4802 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 71.775319][ T4802] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 71.778120][ T4802] Call trace: [ 71.779027][ T4802] dump_backtrace+0x0/0x43c [ 71.780242][ T4802] show_stack+0x2c/0x3c [ 71.781334][ T4802] __dump_stack+0x30/0x40 [ 71.782462][ T4802] dump_stack_lvl+0xf8/0x160 [ 71.783701][ T4802] dump_stack+0x1c/0x5c [ 71.784820][ T4802] should_fail+0x3c0/0x51c [ 71.785983][ T4802] __should_failslab+0xbc/0x10c [ 71.787260][ T4802] should_failslab+0x10/0x28 [ 71.788529][ T4802] slab_pre_alloc_hook+0x64/0xec [ 71.789837][ T4802] __kmalloc_node+0xb8/0x520 [ 71.791032][ T4802] blk_mq_update_nr_hw_queues+0x54c/0xbfc [ 71.792617][ T4802] nbd_start_device+0x14c/0xb40 [ 71.793919][ T4802] nbd_ioctl+0x514/0xc50 [ 71.795060][ T4802] blkdev_ioctl+0x5f8/0xbb8 [ 71.796247][ T4802] block_ioctl+0xa4/0x118 [ 71.797409][ T4802] __arm64_sys_ioctl+0x14c/0x1c8 [ 71.798713][ T4802] invoke_syscall+0x98/0x2b8 [ 71.799910][ T4802] el0_svc_common+0x138/0x258 [ 71.801136][ T4802] do_el0_svc+0x58/0x14c [ 71.802286][ T4802] el0_svc+0x78/0x1e0 [ 71.803340][ T4802] el0t_64_sync_handler+0xcc/0xe4 [ 71.804671][ T4802] el0t_64_sync+0x1a0/0x1a4 [ 71.810150][ T4801] block nbd0: shutting down sockets [ 71.938637][ T4804] FAULT_INJECTION: forcing a failure. [ 71.938637][ T4804] name failslab, interval 1, probability 0, space 0, times 0 [ 71.941970][ T4804] CPU: 1 PID: 4804 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 71.944632][ T4804] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 71.947331][ T4804] Call trace: [ 71.948199][ T4804] dump_backtrace+0x0/0x43c [ 71.949385][ T4804] show_stack+0x2c/0x3c [ 71.950497][ T4804] __dump_stack+0x30/0x40 [ 71.951611][ T4804] dump_stack_lvl+0xf8/0x160 [ 71.952789][ T4804] dump_stack+0x1c/0x5c [ 71.953884][ T4804] should_fail+0x3c0/0x51c [ 71.955037][ T4804] __should_failslab+0xbc/0x10c [ 71.956303][ T4804] should_failslab+0x10/0x28 [ 71.957520][ T4804] slab_pre_alloc_hook+0x64/0xec [ 71.958827][ T4804] __kmalloc_node+0xb8/0x520 [ 71.959986][ T4804] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 71.961464][ T4804] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 71.962976][ T4804] nbd_start_device+0x14c/0xb40 [ 71.964307][ T4804] nbd_ioctl+0x514/0xc50 [ 71.965428][ T4804] blkdev_ioctl+0x5f8/0xbb8 [ 71.966602][ T4804] block_ioctl+0xa4/0x118 [ 71.967741][ T4804] __arm64_sys_ioctl+0x14c/0x1c8 [ 71.969063][ T4804] invoke_syscall+0x98/0x2b8 [ 71.970270][ T4804] el0_svc_common+0x138/0x258 [ 71.971471][ T4804] do_el0_svc+0x58/0x14c [ 71.972610][ T4804] el0_svc+0x78/0x1e0 [ 71.973687][ T4804] el0t_64_sync_handler+0xcc/0xe4 [ 71.974988][ T4804] el0t_64_sync+0x1a0/0x1a4 [ 71.977586][ T4804] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 71.982256][ T4805] block nbd0: shutting down sockets [ 72.128634][ T4808] FAULT_INJECTION: forcing a failure. [ 72.128634][ T4808] name failslab, interval 1, probability 0, space 0, times 0 [ 72.132013][ T4808] CPU: 1 PID: 4808 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 72.134573][ T4808] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 72.137326][ T4808] Call trace: [ 72.138171][ T4808] dump_backtrace+0x0/0x43c [ 72.139369][ T4808] show_stack+0x2c/0x3c [ 72.140454][ T4808] __dump_stack+0x30/0x40 [ 72.141561][ T4808] dump_stack_lvl+0xf8/0x160 [ 72.142773][ T4808] dump_stack+0x1c/0x5c [ 72.143864][ T4808] should_fail+0x3c0/0x51c [ 72.145018][ T4808] __should_failslab+0xbc/0x10c [ 72.146317][ T4808] should_failslab+0x10/0x28 [ 72.147546][ T4808] slab_pre_alloc_hook+0x64/0xec [ 72.148841][ T4808] __kmalloc_node+0xb8/0x520 [ 72.150026][ T4808] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 72.151481][ T4808] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 72.152955][ T4808] nbd_start_device+0x14c/0xb40 [ 72.154263][ T4808] nbd_ioctl+0x514/0xc50 [ 72.155356][ T4808] blkdev_ioctl+0x5f8/0xbb8 [ 72.156544][ T4808] block_ioctl+0xa4/0x118 [ 72.157700][ T4808] __arm64_sys_ioctl+0x14c/0x1c8 [ 72.159045][ T4808] invoke_syscall+0x98/0x2b8 [ 72.160277][ T4808] el0_svc_common+0x138/0x258 [ 72.161521][ T4808] do_el0_svc+0x58/0x14c [ 72.162635][ T4808] el0_svc+0x78/0x1e0 [ 72.163753][ T4808] el0t_64_sync_handler+0xcc/0xe4 [ 72.165052][ T4808] el0t_64_sync+0x1a0/0x1a4 [ 72.167262][ T4808] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 72.171907][ T4809] block nbd0: shutting down sockets [ 72.308977][ T4811] FAULT_INJECTION: forcing a failure. [ 72.308977][ T4811] name failslab, interval 1, probability 0, space 0, times 0 [ 72.312398][ T4811] CPU: 1 PID: 4811 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 72.315026][ T4811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 72.317725][ T4811] Call trace: [ 72.318609][ T4811] dump_backtrace+0x0/0x43c [ 72.319796][ T4811] show_stack+0x2c/0x3c [ 72.320926][ T4811] __dump_stack+0x30/0x40 [ 72.322059][ T4811] dump_stack_lvl+0xf8/0x160 [ 72.323313][ T4811] dump_stack+0x1c/0x5c [ 72.324391][ T4811] should_fail+0x3c0/0x51c [ 72.325524][ T4811] __should_failslab+0xbc/0x10c [ 72.326852][ T4811] should_failslab+0x10/0x28 [ 72.328108][ T4811] slab_pre_alloc_hook+0x64/0xec [ 72.329411][ T4811] __kmalloc_node+0xb8/0x520 [ 72.330614][ T4811] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 72.332019][ T4811] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 72.333534][ T4811] nbd_start_device+0x14c/0xb40 [ 72.334799][ T4811] nbd_ioctl+0x514/0xc50 [ 72.335909][ T4811] blkdev_ioctl+0x5f8/0xbb8 [ 72.337091][ T4811] block_ioctl+0xa4/0x118 [ 72.338295][ T4811] __arm64_sys_ioctl+0x14c/0x1c8 [ 72.339575][ T4811] invoke_syscall+0x98/0x2b8 [ 72.340773][ T4811] el0_svc_common+0x138/0x258 [ 72.342035][ T4811] do_el0_svc+0x58/0x14c [ 72.343167][ T4811] el0_svc+0x78/0x1e0 [ 72.344218][ T4811] el0t_64_sync_handler+0xcc/0xe4 [ 72.345522][ T4811] el0t_64_sync+0x1a0/0x1a4 [ 72.347140][ T4811] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 72.352278][ T4812] block nbd0: shutting down sockets [ 72.494757][ T4815] block nbd0: Device being setup by another task [ 72.496577][ T4814] FAULT_INJECTION: forcing a failure. [ 72.496577][ T4814] name failslab, interval 1, probability 0, space 0, times 0 [ 72.500051][ T4814] CPU: 1 PID: 4814 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 72.502634][ T4814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 72.505307][ T4814] Call trace: [ 72.506175][ T4814] dump_backtrace+0x0/0x43c [ 72.507391][ T4814] show_stack+0x2c/0x3c [ 72.508531][ T4814] __dump_stack+0x30/0x40 [ 72.509674][ T4814] dump_stack_lvl+0xf8/0x160 [ 72.510943][ T4814] dump_stack+0x1c/0x5c [ 72.512024][ T4814] should_fail+0x3c0/0x51c [ 72.513162][ T4814] __should_failslab+0xbc/0x10c [ 72.514443][ T4814] should_failslab+0x10/0x28 [ 72.515640][ T4814] slab_pre_alloc_hook+0x64/0xec [ 72.516945][ T4814] kmem_cache_alloc+0x94/0x3e4 [ 72.518254][ T4814] new_inode_pseudo+0x10c/0x1fc [ 72.519558][ T4814] new_inode+0x38/0x174 [ 72.520620][ T4814] debugfs_create_dir+0xec/0x3f4 [ 72.521872][ T4814] nbd_start_device+0x3c8/0xb40 [ 72.523146][ T4814] nbd_ioctl+0x514/0xc50 [ 72.524253][ T4814] blkdev_ioctl+0x5f8/0xbb8 [ 72.525486][ T4814] block_ioctl+0xa4/0x118 [ 72.526671][ T4814] __arm64_sys_ioctl+0x14c/0x1c8 [ 72.527939][ T4814] invoke_syscall+0x98/0x2b8 [ 72.529136][ T4814] el0_svc_common+0x138/0x258 [ 72.530389][ T4814] do_el0_svc+0x58/0x14c [ 72.531535][ T4814] el0_svc+0x78/0x1e0 [ 72.532609][ T4814] el0t_64_sync_handler+0xcc/0xe4 [ 72.534043][ T4814] el0t_64_sync+0x1a0/0x1a4 [ 72.536016][ T4814] debugfs: out of free dentries, can not create directory 'nbd0' [ 72.538170][ T4814] block nbd0: Failed to create debugfs dir for 'nbd0' [ 72.540838][ T4815] block nbd0: shutting down sockets [ 72.688307][ T4817] FAULT_INJECTION: forcing a failure. [ 72.688307][ T4817] name failslab, interval 1, probability 0, space 0, times 0 [ 72.691747][ T4817] CPU: 1 PID: 4817 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 72.694374][ T4817] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 72.697041][ T4817] Call trace: [ 72.697871][ T4817] dump_backtrace+0x0/0x43c [ 72.699120][ T4817] show_stack+0x2c/0x3c [ 72.700326][ T4817] __dump_stack+0x30/0x40 [ 72.701468][ T4817] dump_stack_lvl+0xf8/0x160 [ 72.702681][ T4817] dump_stack+0x1c/0x5c [ 72.703771][ T4817] should_fail+0x3c0/0x51c [ 72.704921][ T4817] __should_failslab+0xbc/0x10c [ 72.706219][ T4817] should_failslab+0x10/0x28 [ 72.707422][ T4817] slab_pre_alloc_hook+0x64/0xec [ 72.708687][ T4817] __kmalloc_node+0xb8/0x520 [ 72.709839][ T4817] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 72.711318][ T4817] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 72.712881][ T4817] nbd_start_device+0x14c/0xb40 [ 72.714200][ T4817] nbd_ioctl+0x514/0xc50 [ 72.715328][ T4817] blkdev_ioctl+0x5f8/0xbb8 [ 72.716611][ T4817] block_ioctl+0xa4/0x118 [ 72.717765][ T4817] __arm64_sys_ioctl+0x14c/0x1c8 [ 72.719020][ T4817] invoke_syscall+0x98/0x2b8 [ 72.720305][ T4817] el0_svc_common+0x138/0x258 [ 72.721573][ T4817] do_el0_svc+0x58/0x14c [ 72.722699][ T4817] el0_svc+0x78/0x1e0 [ 72.723777][ T4817] el0t_64_sync_handler+0xcc/0xe4 [ 72.725100][ T4817] el0t_64_sync+0x1a0/0x1a4 [ 72.727123][ T4817] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 72.731853][ T4818] block nbd0: shutting down sockets [ 72.869482][ T4820] FAULT_INJECTION: forcing a failure. [ 72.869482][ T4820] name failslab, interval 1, probability 0, space 0, times 0 [ 72.872983][ T4820] CPU: 0 PID: 4820 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 72.875572][ T4820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 72.878207][ T4820] Call trace: [ 72.879057][ T4820] dump_backtrace+0x0/0x43c [ 72.880253][ T4820] show_stack+0x2c/0x3c [ 72.881339][ T4820] __dump_stack+0x30/0x40 [ 72.882498][ T4820] dump_stack_lvl+0xf8/0x160 [ 72.883731][ T4820] dump_stack+0x1c/0x5c [ 72.884850][ T4820] should_fail+0x3c0/0x51c [ 72.886043][ T4820] __should_failslab+0xbc/0x10c [ 72.887373][ T4820] should_failslab+0x10/0x28 [ 72.888611][ T4820] slab_pre_alloc_hook+0x64/0xec [ 72.889956][ T4820] __kmalloc_node+0xb8/0x520 [ 72.891230][ T4820] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 72.892661][ T4820] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 72.894165][ T4820] nbd_start_device+0x14c/0xb40 [ 72.895475][ T4820] nbd_ioctl+0x514/0xc50 [ 72.896580][ T4820] blkdev_ioctl+0x5f8/0xbb8 [ 72.897766][ T4820] block_ioctl+0xa4/0x118 [ 72.898907][ T4820] __arm64_sys_ioctl+0x14c/0x1c8 [ 72.900235][ T4820] invoke_syscall+0x98/0x2b8 [ 72.901461][ T4820] el0_svc_common+0x138/0x258 [ 72.902693][ T4820] do_el0_svc+0x58/0x14c [ 72.903808][ T4820] el0_svc+0x78/0x1e0 [ 72.904868][ T4820] el0t_64_sync_handler+0xcc/0xe4 [ 72.906198][ T4820] el0t_64_sync+0x1a0/0x1a4 [ 72.908207][ T4820] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 72.913540][ T4821] block nbd0: shutting down sockets [ 73.058523][ T4823] FAULT_INJECTION: forcing a failure. [ 73.058523][ T4823] name failslab, interval 1, probability 0, space 0, times 0 [ 73.061994][ T4823] CPU: 1 PID: 4823 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 73.064563][ T4823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 73.067186][ T4823] Call trace: [ 73.068166][ T4823] dump_backtrace+0x0/0x43c [ 73.069360][ T4823] show_stack+0x2c/0x3c [ 73.070461][ T4823] __dump_stack+0x30/0x40 [ 73.071649][ T4823] dump_stack_lvl+0xf8/0x160 [ 73.072855][ T4823] dump_stack+0x1c/0x5c [ 73.073973][ T4823] should_fail+0x3c0/0x51c [ 73.075162][ T4823] __should_failslab+0xbc/0x10c [ 73.076528][ T4823] should_failslab+0x10/0x28 [ 73.077730][ T4823] slab_pre_alloc_hook+0x64/0xec [ 73.079047][ T4823] __kmalloc_node+0xb8/0x520 [ 73.080251][ T4823] blk_mq_update_nr_hw_queues+0x54c/0xbfc [ 73.081731][ T4823] nbd_start_device+0x14c/0xb40 [ 73.083054][ T4823] nbd_ioctl+0x514/0xc50 [ 73.084204][ T4823] blkdev_ioctl+0x5f8/0xbb8 [ 73.085428][ T4823] block_ioctl+0xa4/0x118 [ 73.086555][ T4823] __arm64_sys_ioctl+0x14c/0x1c8 [ 73.087883][ T4823] invoke_syscall+0x98/0x2b8 [ 73.089135][ T4823] el0_svc_common+0x138/0x258 [ 73.090390][ T4823] do_el0_svc+0x58/0x14c [ 73.091506][ T4823] el0_svc+0x78/0x1e0 [ 73.092582][ T4823] el0t_64_sync_handler+0xcc/0xe4 [ 73.093975][ T4823] el0t_64_sync+0x1a0/0x1a4 [ 73.100759][ T4824] block nbd0: shutting down sockets 1970/01/01 00:01:13 executed programs: 44 [ 73.224724][ T4828] block nbd0: Device being setup by another task [ 73.227302][ T4827] FAULT_INJECTION: forcing a failure. [ 73.227302][ T4827] name failslab, interval 1, probability 0, space 0, times 0 [ 73.230761][ T4827] CPU: 1 PID: 4827 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 73.233400][ T4827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 73.236040][ T4827] Call trace: [ 73.236910][ T4827] dump_backtrace+0x0/0x43c [ 73.238100][ T4827] show_stack+0x2c/0x3c [ 73.239224][ T4827] __dump_stack+0x30/0x40 [ 73.240335][ T4827] dump_stack_lvl+0xf8/0x160 [ 73.241534][ T4827] dump_stack+0x1c/0x5c [ 73.242599][ T4827] should_fail+0x3c0/0x51c [ 73.243755][ T4827] __should_failslab+0xbc/0x10c [ 73.245037][ T4827] should_failslab+0x10/0x28 [ 73.246253][ T4827] slab_pre_alloc_hook+0x64/0xec [ 73.247542][ T4827] kmem_cache_alloc+0x94/0x3e4 [ 73.248841][ T4827] new_inode_pseudo+0x10c/0x1fc [ 73.250177][ T4827] new_inode+0x38/0x174 [ 73.251282][ T4827] debugfs_create_dir+0xec/0x3f4 [ 73.252602][ T4827] nbd_start_device+0x3c8/0xb40 [ 73.253894][ T4827] nbd_ioctl+0x514/0xc50 [ 73.255045][ T4827] blkdev_ioctl+0x5f8/0xbb8 [ 73.256257][ T4827] block_ioctl+0xa4/0x118 [ 73.257383][ T4827] __arm64_sys_ioctl+0x14c/0x1c8 [ 73.258654][ T4827] invoke_syscall+0x98/0x2b8 [ 73.259886][ T4827] el0_svc_common+0x138/0x258 [ 73.261164][ T4827] do_el0_svc+0x58/0x14c [ 73.262416][ T4827] el0_svc+0x78/0x1e0 [ 73.263476][ T4827] el0t_64_sync_handler+0xcc/0xe4 [ 73.264810][ T4827] el0t_64_sync+0x1a0/0x1a4 [ 73.266464][ T4827] debugfs: out of free dentries, can not create directory 'nbd0' [ 73.268591][ T4827] block nbd0: Failed to create debugfs dir for 'nbd0' [ 73.277839][ T4828] block nbd0: shutting down sockets [ 73.408431][ T4830] FAULT_INJECTION: forcing a failure. [ 73.408431][ T4830] name failslab, interval 1, probability 0, space 0, times 0 [ 73.411925][ T4830] CPU: 0 PID: 4830 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 73.414484][ T4830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 73.417239][ T4830] Call trace: [ 73.418118][ T4830] dump_backtrace+0x0/0x43c [ 73.419319][ T4830] show_stack+0x2c/0x3c [ 73.420415][ T4830] __dump_stack+0x30/0x40 [ 73.421577][ T4830] dump_stack_lvl+0xf8/0x160 [ 73.422827][ T4830] dump_stack+0x1c/0x5c [ 73.423965][ T4830] should_fail+0x3c0/0x51c [ 73.425210][ T4830] __should_failslab+0xbc/0x10c [ 73.426524][ T4830] should_failslab+0x10/0x28 [ 73.427702][ T4830] slab_pre_alloc_hook+0x64/0xec [ 73.429054][ T4830] __kmalloc_node+0xb8/0x520 [ 73.430327][ T4830] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 73.431784][ T4830] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 73.433289][ T4830] nbd_start_device+0x14c/0xb40 [ 73.434605][ T4830] nbd_ioctl+0x514/0xc50 [ 73.435719][ T4830] blkdev_ioctl+0x5f8/0xbb8 [ 73.436905][ T4830] block_ioctl+0xa4/0x118 [ 73.438068][ T4830] __arm64_sys_ioctl+0x14c/0x1c8 [ 73.439407][ T4830] invoke_syscall+0x98/0x2b8 [ 73.440623][ T4830] el0_svc_common+0x138/0x258 [ 73.441889][ T4830] do_el0_svc+0x58/0x14c [ 73.443047][ T4830] el0_svc+0x78/0x1e0 [ 73.444092][ T4830] el0t_64_sync_handler+0xcc/0xe4 [ 73.445472][ T4830] el0t_64_sync+0x1a0/0x1a4 [ 73.447366][ T4830] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 73.452125][ T4831] block nbd0: shutting down sockets [ 73.588293][ T4833] FAULT_INJECTION: forcing a failure. [ 73.588293][ T4833] name failslab, interval 1, probability 0, space 0, times 0 [ 73.591653][ T4833] CPU: 0 PID: 4833 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 73.594189][ T4833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 73.596874][ T4833] Call trace: [ 73.597766][ T4833] dump_backtrace+0x0/0x43c [ 73.598960][ T4833] show_stack+0x2c/0x3c [ 73.600074][ T4833] __dump_stack+0x30/0x40 [ 73.601206][ T4833] dump_stack_lvl+0xf8/0x160 [ 73.602406][ T4833] dump_stack+0x1c/0x5c [ 73.603542][ T4833] should_fail+0x3c0/0x51c [ 73.604712][ T4833] __should_failslab+0xbc/0x10c [ 73.605949][ T4833] should_failslab+0x10/0x28 [ 73.607183][ T4833] slab_pre_alloc_hook+0x64/0xec [ 73.608526][ T4833] __kmalloc_node+0xb8/0x520 [ 73.609760][ T4833] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 73.611244][ T4833] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 73.612749][ T4833] nbd_start_device+0x14c/0xb40 [ 73.613974][ T4833] nbd_ioctl+0x514/0xc50 [ 73.615072][ T4833] blkdev_ioctl+0x5f8/0xbb8 [ 73.616282][ T4833] block_ioctl+0xa4/0x118 [ 73.617400][ T4833] __arm64_sys_ioctl+0x14c/0x1c8 [ 73.618709][ T4833] invoke_syscall+0x98/0x2b8 [ 73.619924][ T4833] el0_svc_common+0x138/0x258 [ 73.621187][ T4833] do_el0_svc+0x58/0x14c [ 73.622312][ T4833] el0_svc+0x78/0x1e0 [ 73.623330][ T4833] el0t_64_sync_handler+0xcc/0xe4 [ 73.624681][ T4833] el0t_64_sync+0x1a0/0x1a4 [ 73.626048][ T4833] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 73.630663][ T4834] block nbd0: shutting down sockets [ 73.778282][ T4836] FAULT_INJECTION: forcing a failure. [ 73.778282][ T4836] name failslab, interval 1, probability 0, space 0, times 0 [ 73.781647][ T4836] CPU: 0 PID: 4836 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 73.784300][ T4836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 73.787027][ T4836] Call trace: [ 73.787893][ T4836] dump_backtrace+0x0/0x43c [ 73.789107][ T4836] show_stack+0x2c/0x3c [ 73.790311][ T4836] __dump_stack+0x30/0x40 [ 73.791536][ T4836] dump_stack_lvl+0xf8/0x160 [ 73.792749][ T4836] dump_stack+0x1c/0x5c [ 73.793838][ T4836] should_fail+0x3c0/0x51c [ 73.795073][ T4836] __should_failslab+0xbc/0x10c [ 73.796442][ T4836] should_failslab+0x10/0x28 [ 73.797715][ T4836] slab_pre_alloc_hook+0x64/0xec [ 73.799064][ T4836] __kmalloc_node+0xb8/0x520 [ 73.800235][ T4836] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 73.801672][ T4836] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 73.803250][ T4836] nbd_start_device+0x14c/0xb40 [ 73.804557][ T4836] nbd_ioctl+0x514/0xc50 [ 73.805692][ T4836] blkdev_ioctl+0x5f8/0xbb8 [ 73.806888][ T4836] block_ioctl+0xa4/0x118 [ 73.808075][ T4836] __arm64_sys_ioctl+0x14c/0x1c8 [ 73.809381][ T4836] invoke_syscall+0x98/0x2b8 [ 73.810653][ T4836] el0_svc_common+0x138/0x258 [ 73.811924][ T4836] do_el0_svc+0x58/0x14c [ 73.813075][ T4836] el0_svc+0x78/0x1e0 [ 73.814137][ T4836] el0t_64_sync_handler+0xcc/0xe4 [ 73.815462][ T4836] el0t_64_sync+0x1a0/0x1a4 [ 73.816952][ T4836] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 73.822250][ T4837] block nbd0: shutting down sockets [ 73.968257][ T4839] FAULT_INJECTION: forcing a failure. [ 73.968257][ T4839] name failslab, interval 1, probability 0, space 0, times 0 [ 73.971639][ T4839] CPU: 0 PID: 4839 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 73.974375][ T4839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 73.977074][ T4839] Call trace: [ 73.977932][ T4839] dump_backtrace+0x0/0x43c [ 73.979177][ T4839] show_stack+0x2c/0x3c [ 73.980324][ T4839] __dump_stack+0x30/0x40 [ 73.981504][ T4839] dump_stack_lvl+0xf8/0x160 [ 73.982694][ T4839] dump_stack+0x1c/0x5c [ 73.983777][ T4839] should_fail+0x3c0/0x51c [ 73.984962][ T4839] __should_failslab+0xbc/0x10c [ 73.986250][ T4839] should_failslab+0x10/0x28 [ 73.987466][ T4839] slab_pre_alloc_hook+0x64/0xec [ 73.988783][ T4839] __kmalloc_node+0xb8/0x520 [ 73.990018][ T4839] blk_mq_update_nr_hw_queues+0x54c/0xbfc [ 73.991568][ T4839] nbd_start_device+0x14c/0xb40 [ 73.992844][ T4839] nbd_ioctl+0x514/0xc50 [ 73.994009][ T4839] blkdev_ioctl+0x5f8/0xbb8 [ 73.995238][ T4839] block_ioctl+0xa4/0x118 [ 73.996333][ T4839] __arm64_sys_ioctl+0x14c/0x1c8 [ 73.997691][ T4839] invoke_syscall+0x98/0x2b8 [ 73.998891][ T4839] el0_svc_common+0x138/0x258 [ 74.000194][ T4839] do_el0_svc+0x58/0x14c [ 74.001331][ T4839] el0_svc+0x78/0x1e0 [ 74.002380][ T4839] el0t_64_sync_handler+0xcc/0xe4 [ 74.003727][ T4839] el0t_64_sync+0x1a0/0x1a4 [ 74.008814][ T4840] block nbd0: shutting down sockets [ 74.178448][ T4843] FAULT_INJECTION: forcing a failure. [ 74.178448][ T4843] name failslab, interval 1, probability 0, space 0, times 0 [ 74.181813][ T4843] CPU: 1 PID: 4843 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 74.184465][ T4843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 74.187164][ T4843] Call trace: [ 74.188050][ T4843] dump_backtrace+0x0/0x43c [ 74.189249][ T4843] show_stack+0x2c/0x3c [ 74.190323][ T4843] __dump_stack+0x30/0x40 [ 74.191438][ T4843] dump_stack_lvl+0xf8/0x160 [ 74.192595][ T4843] dump_stack+0x1c/0x5c [ 74.193719][ T4843] should_fail+0x3c0/0x51c [ 74.194908][ T4843] __should_failslab+0xbc/0x10c [ 74.196207][ T4843] should_failslab+0x10/0x28 [ 74.197514][ T4843] slab_pre_alloc_hook+0x64/0xec [ 74.198852][ T4843] __kmalloc_node+0xb8/0x520 [ 74.200095][ T4843] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 74.201515][ T4843] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 74.203194][ T4843] nbd_start_device+0x14c/0xb40 [ 74.204458][ T4843] nbd_ioctl+0x514/0xc50 [ 74.205574][ T4843] blkdev_ioctl+0x5f8/0xbb8 [ 74.206767][ T4843] block_ioctl+0xa4/0x118 [ 74.207892][ T4843] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.209164][ T4843] invoke_syscall+0x98/0x2b8 [ 74.210387][ T4843] el0_svc_common+0x138/0x258 [ 74.211611][ T4843] do_el0_svc+0x58/0x14c [ 74.212789][ T4843] el0_svc+0x78/0x1e0 [ 74.213845][ T4843] el0t_64_sync_handler+0xcc/0xe4 [ 74.215181][ T4843] el0t_64_sync+0x1a0/0x1a4 [ 74.216610][ T4843] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 74.221768][ T4842] block nbd0: shutting down sockets [ 74.358290][ T4845] FAULT_INJECTION: forcing a failure. [ 74.358290][ T4845] name failslab, interval 1, probability 0, space 0, times 0 [ 74.361821][ T4845] CPU: 1 PID: 4845 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 74.364360][ T4845] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 74.367064][ T4845] Call trace: [ 74.367945][ T4845] dump_backtrace+0x0/0x43c [ 74.369149][ T4845] show_stack+0x2c/0x3c [ 74.370215][ T4845] __dump_stack+0x30/0x40 [ 74.371377][ T4845] dump_stack_lvl+0xf8/0x160 [ 74.372611][ T4845] dump_stack+0x1c/0x5c [ 74.373711][ T4845] should_fail+0x3c0/0x51c [ 74.374849][ T4845] __should_failslab+0xbc/0x10c [ 74.376160][ T4845] should_failslab+0x10/0x28 [ 74.377374][ T4845] slab_pre_alloc_hook+0x64/0xec [ 74.378677][ T4845] __kmalloc_node+0xb8/0x520 [ 74.379928][ T4845] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 74.381347][ T4845] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 74.382843][ T4845] nbd_start_device+0x14c/0xb40 [ 74.384157][ T4845] nbd_ioctl+0x514/0xc50 [ 74.385319][ T4845] blkdev_ioctl+0x5f8/0xbb8 [ 74.386476][ T4845] block_ioctl+0xa4/0x118 [ 74.387646][ T4845] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.389061][ T4845] invoke_syscall+0x98/0x2b8 [ 74.390274][ T4845] el0_svc_common+0x138/0x258 [ 74.391569][ T4845] do_el0_svc+0x58/0x14c [ 74.392729][ T4845] el0_svc+0x78/0x1e0 [ 74.393761][ T4845] el0t_64_sync_handler+0xcc/0xe4 [ 74.395115][ T4845] el0t_64_sync+0x1a0/0x1a4 [ 74.397265][ T4845] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 74.402430][ T4846] block nbd0: shutting down sockets [ 74.548300][ T4849] FAULT_INJECTION: forcing a failure. [ 74.548300][ T4849] name failslab, interval 1, probability 0, space 0, times 0 [ 74.551835][ T4849] CPU: 0 PID: 4849 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 74.554556][ T4849] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 74.557317][ T4849] Call trace: [ 74.558228][ T4849] dump_backtrace+0x0/0x43c [ 74.559456][ T4849] show_stack+0x2c/0x3c [ 74.560599][ T4849] __dump_stack+0x30/0x40 [ 74.561810][ T4849] dump_stack_lvl+0xf8/0x160 [ 74.563103][ T4849] dump_stack+0x1c/0x5c [ 74.564252][ T4849] should_fail+0x3c0/0x51c [ 74.565622][ T4849] __should_failslab+0xbc/0x10c [ 74.566935][ T4849] should_failslab+0x10/0x28 [ 74.568204][ T4849] slab_pre_alloc_hook+0x64/0xec [ 74.569540][ T4849] __kmalloc_node+0xb8/0x520 [ 74.570790][ T4849] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 74.572300][ T4849] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 74.573849][ T4849] nbd_start_device+0x14c/0xb40 [ 74.575358][ T4849] nbd_ioctl+0x514/0xc50 [ 74.576535][ T4849] blkdev_ioctl+0x5f8/0xbb8 [ 74.577741][ T4849] block_ioctl+0xa4/0x118 [ 74.578930][ T4849] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.580397][ T4849] invoke_syscall+0x98/0x2b8 [ 74.581725][ T4849] el0_svc_common+0x138/0x258 [ 74.583136][ T4849] do_el0_svc+0x58/0x14c [ 74.584239][ T4849] el0_svc+0x78/0x1e0 [ 74.585309][ T4849] el0t_64_sync_handler+0xcc/0xe4 [ 74.586666][ T4849] el0t_64_sync+0x1a0/0x1a4 [ 74.588633][ T4849] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 74.594221][ T4850] block nbd0: shutting down sockets [ 74.748429][ T4852] FAULT_INJECTION: forcing a failure. [ 74.748429][ T4852] name failslab, interval 1, probability 0, space 0, times 0 [ 74.751873][ T4852] CPU: 1 PID: 4852 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 74.754652][ T4852] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 74.757327][ T4852] Call trace: [ 74.758212][ T4852] dump_backtrace+0x0/0x43c [ 74.759380][ T4852] show_stack+0x2c/0x3c [ 74.760547][ T4852] __dump_stack+0x30/0x40 [ 74.761708][ T4852] dump_stack_lvl+0xf8/0x160 [ 74.762910][ T4852] dump_stack+0x1c/0x5c [ 74.764012][ T4852] should_fail+0x3c0/0x51c [ 74.765180][ T4852] __should_failslab+0xbc/0x10c [ 74.766482][ T4852] should_failslab+0x10/0x28 [ 74.767692][ T4852] slab_pre_alloc_hook+0x64/0xec [ 74.769001][ T4852] __kmalloc_node+0xb8/0x520 [ 74.770207][ T4852] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 74.771650][ T4852] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 74.773181][ T4852] nbd_start_device+0x14c/0xb40 [ 74.774501][ T4852] nbd_ioctl+0x514/0xc50 [ 74.775642][ T4852] blkdev_ioctl+0x5f8/0xbb8 [ 74.776821][ T4852] block_ioctl+0xa4/0x118 [ 74.778013][ T4852] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.779306][ T4852] invoke_syscall+0x98/0x2b8 [ 74.780522][ T4852] el0_svc_common+0x138/0x258 [ 74.781718][ T4852] do_el0_svc+0x58/0x14c [ 74.782842][ T4852] el0_svc+0x78/0x1e0 [ 74.783958][ T4852] el0t_64_sync_handler+0xcc/0xe4 [ 74.785312][ T4852] el0t_64_sync+0x1a0/0x1a4 [ 74.788460][ T1960] cfg80211: failed to load regulatory.db [ 74.794214][ T4852] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 74.806066][ T4853] block nbd0: shutting down sockets [ 75.061141][ T4857] FAULT_INJECTION: forcing a failure. [ 75.061141][ T4857] name failslab, interval 1, probability 0, space 0, times 0 [ 75.065481][ T4857] CPU: 0 PID: 4857 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 75.068159][ T4857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 75.070804][ T4857] Call trace: [ 75.071666][ T4857] dump_backtrace+0x0/0x43c [ 75.072841][ T4857] show_stack+0x2c/0x3c [ 75.073978][ T4857] __dump_stack+0x30/0x40 [ 75.075115][ T4857] dump_stack_lvl+0xf8/0x160 [ 75.076377][ T4857] dump_stack+0x1c/0x5c [ 75.077449][ T4857] should_fail+0x3c0/0x51c [ 75.078625][ T4857] __should_failslab+0xbc/0x10c [ 75.079912][ T4857] should_failslab+0x10/0x28 [ 75.081113][ T4857] slab_pre_alloc_hook+0x64/0xec [ 75.082400][ T4857] __kmalloc_node+0xb8/0x520 [ 75.083639][ T4857] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 75.085111][ T4857] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 75.086644][ T4857] nbd_start_device+0x14c/0xb40 [ 75.087950][ T4857] nbd_ioctl+0x514/0xc50 [ 75.089073][ T4857] blkdev_ioctl+0x5f8/0xbb8 [ 75.090277][ T4857] block_ioctl+0xa4/0x118 [ 75.091453][ T4857] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.092814][ T4857] invoke_syscall+0x98/0x2b8 [ 75.094090][ T4857] el0_svc_common+0x138/0x258 [ 75.095480][ T4857] do_el0_svc+0x58/0x14c [ 75.096626][ T4857] el0_svc+0x78/0x1e0 [ 75.097678][ T4857] el0t_64_sync_handler+0xcc/0xe4 [ 75.099028][ T4857] el0t_64_sync+0x1a0/0x1a4 [ 75.103757][ T4857] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 75.110865][ T4856] block nbd0: shutting down sockets [ 75.388347][ T4861] FAULT_INJECTION: forcing a failure. [ 75.388347][ T4861] name failslab, interval 1, probability 0, space 0, times 0 [ 75.391837][ T4861] CPU: 0 PID: 4861 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 75.394488][ T4861] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 75.397112][ T4861] Call trace: [ 75.397952][ T4861] dump_backtrace+0x0/0x43c [ 75.399147][ T4861] show_stack+0x2c/0x3c [ 75.400254][ T4861] __dump_stack+0x30/0x40 [ 75.401367][ T4861] dump_stack_lvl+0xf8/0x160 [ 75.402588][ T4861] dump_stack+0x1c/0x5c [ 75.403705][ T4861] should_fail+0x3c0/0x51c [ 75.404832][ T4861] __should_failslab+0xbc/0x10c [ 75.406185][ T4861] should_failslab+0x10/0x28 [ 75.407441][ T4861] slab_pre_alloc_hook+0x64/0xec [ 75.408751][ T4861] __kmalloc_node+0xb8/0x520 [ 75.409949][ T4861] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 75.411363][ T4861] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 75.412871][ T4861] nbd_start_device+0x14c/0xb40 [ 75.414166][ T4861] nbd_ioctl+0x514/0xc50 [ 75.415303][ T4861] blkdev_ioctl+0x5f8/0xbb8 [ 75.416507][ T4861] block_ioctl+0xa4/0x118 [ 75.417707][ T4861] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.419004][ T4861] invoke_syscall+0x98/0x2b8 [ 75.420279][ T4861] el0_svc_common+0x138/0x258 [ 75.421489][ T4861] do_el0_svc+0x58/0x14c [ 75.422684][ T4861] el0_svc+0x78/0x1e0 [ 75.423735][ T4861] el0t_64_sync_handler+0xcc/0xe4 [ 75.425038][ T4861] el0t_64_sync+0x1a0/0x1a4 [ 75.430901][ T4861] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 75.440558][ T4862] block nbd0: shutting down sockets [ 75.598289][ T4865] FAULT_INJECTION: forcing a failure. [ 75.598289][ T4865] name failslab, interval 1, probability 0, space 0, times 0 [ 75.601771][ T4865] CPU: 0 PID: 4865 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 75.604312][ T4865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 75.606958][ T4865] Call trace: [ 75.607808][ T4865] dump_backtrace+0x0/0x43c [ 75.609032][ T4865] show_stack+0x2c/0x3c [ 75.610141][ T4865] __dump_stack+0x30/0x40 [ 75.611306][ T4865] dump_stack_lvl+0xf8/0x160 [ 75.612586][ T4865] dump_stack+0x1c/0x5c [ 75.613689][ T4865] should_fail+0x3c0/0x51c [ 75.614847][ T4865] __should_failslab+0xbc/0x10c [ 75.616112][ T4865] should_failslab+0x10/0x28 [ 75.617318][ T4865] slab_pre_alloc_hook+0x64/0xec [ 75.618629][ T4865] __kmalloc_node+0xb8/0x520 [ 75.619801][ T4865] blk_mq_update_nr_hw_queues+0x54c/0xbfc [ 75.621314][ T4865] nbd_start_device+0x14c/0xb40 [ 75.622595][ T4865] nbd_ioctl+0x514/0xc50 [ 75.623709][ T4865] blkdev_ioctl+0x5f8/0xbb8 [ 75.624963][ T4865] block_ioctl+0xa4/0x118 [ 75.626126][ T4865] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.627489][ T4865] invoke_syscall+0x98/0x2b8 [ 75.628694][ T4865] el0_svc_common+0x138/0x258 [ 75.629909][ T4865] do_el0_svc+0x58/0x14c [ 75.631040][ T4865] el0_svc+0x78/0x1e0 [ 75.632120][ T4865] el0t_64_sync_handler+0xcc/0xe4 [ 75.633467][ T4865] el0t_64_sync+0x1a0/0x1a4 [ 75.640753][ T4864] block nbd0: shutting down sockets [ 75.758207][ T4867] FAULT_INJECTION: forcing a failure. [ 75.758207][ T4867] name failslab, interval 1, probability 0, space 0, times 0 [ 75.761604][ T4867] CPU: 1 PID: 4867 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 75.764181][ T4867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 75.766791][ T4867] Call trace: [ 75.767659][ T4867] dump_backtrace+0x0/0x43c [ 75.768912][ T4867] show_stack+0x2c/0x3c [ 75.770031][ T4867] __dump_stack+0x30/0x40 [ 75.771199][ T4867] dump_stack_lvl+0xf8/0x160 [ 75.772369][ T4867] dump_stack+0x1c/0x5c [ 75.773532][ T4867] should_fail+0x3c0/0x51c [ 75.774713][ T4867] __should_failslab+0xbc/0x10c [ 75.775996][ T4867] should_failslab+0x10/0x28 [ 75.777260][ T4867] slab_pre_alloc_hook+0x64/0xec [ 75.778601][ T4867] __kmalloc_node+0xb8/0x520 [ 75.779877][ T4867] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 75.781315][ T4867] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 75.782834][ T4867] nbd_start_device+0x14c/0xb40 [ 75.784191][ T4867] nbd_ioctl+0x514/0xc50 [ 75.785367][ T4867] blkdev_ioctl+0x5f8/0xbb8 [ 75.786612][ T4867] block_ioctl+0xa4/0x118 [ 75.787792][ T4867] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.789144][ T4867] invoke_syscall+0x98/0x2b8 [ 75.790375][ T4867] el0_svc_common+0x138/0x258 [ 75.791587][ T4867] do_el0_svc+0x58/0x14c [ 75.792690][ T4867] el0_svc+0x78/0x1e0 [ 75.793755][ T4867] el0t_64_sync_handler+0xcc/0xe4 [ 75.795110][ T4867] el0t_64_sync+0x1a0/0x1a4 [ 75.798285][ T4867] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 75.802957][ T4868] block nbd0: shutting down sockets [ 75.948913][ T4870] FAULT_INJECTION: forcing a failure. [ 75.948913][ T4870] name failslab, interval 1, probability 0, space 0, times 0 [ 75.952410][ T4870] CPU: 1 PID: 4870 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 75.955064][ T4870] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 75.957781][ T4870] Call trace: [ 75.958648][ T4870] dump_backtrace+0x0/0x43c [ 75.959843][ T4870] show_stack+0x2c/0x3c [ 75.960914][ T4870] __dump_stack+0x30/0x40 [ 75.962118][ T4870] dump_stack_lvl+0xf8/0x160 [ 75.963373][ T4870] dump_stack+0x1c/0x5c [ 75.964507][ T4870] should_fail+0x3c0/0x51c [ 75.965638][ T4870] __should_failslab+0xbc/0x10c [ 75.966970][ T4870] should_failslab+0x10/0x28 [ 75.968235][ T4870] slab_pre_alloc_hook+0x64/0xec [ 75.969526][ T4870] __kmalloc_node+0xb8/0x520 [ 75.970751][ T4870] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 75.972257][ T4870] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 75.973808][ T4870] nbd_start_device+0x14c/0xb40 [ 75.975173][ T4870] nbd_ioctl+0x514/0xc50 [ 75.976301][ T4870] blkdev_ioctl+0x5f8/0xbb8 [ 75.977515][ T4870] block_ioctl+0xa4/0x118 [ 75.978685][ T4870] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.980010][ T4870] invoke_syscall+0x98/0x2b8 [ 75.981264][ T4870] el0_svc_common+0x138/0x258 [ 75.982505][ T4870] do_el0_svc+0x58/0x14c [ 75.983605][ T4870] el0_svc+0x78/0x1e0 [ 75.984664][ T4870] el0t_64_sync_handler+0xcc/0xe4 [ 75.985994][ T4870] el0t_64_sync+0x1a0/0x1a4 [ 75.987294][ T4870] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 75.991990][ T4871] block nbd0: shutting down sockets [ 76.158216][ T4874] FAULT_INJECTION: forcing a failure. [ 76.158216][ T4874] name failslab, interval 1, probability 0, space 0, times 0 [ 76.161663][ T4874] CPU: 1 PID: 4874 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 76.164224][ T4874] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 76.166860][ T4874] Call trace: [ 76.167723][ T4874] dump_backtrace+0x0/0x43c [ 76.168891][ T4874] show_stack+0x2c/0x3c [ 76.169993][ T4874] __dump_stack+0x30/0x40 [ 76.171200][ T4874] dump_stack_lvl+0xf8/0x160 [ 76.172466][ T4874] dump_stack+0x1c/0x5c [ 76.173558][ T4874] should_fail+0x3c0/0x51c [ 76.174790][ T4874] __should_failslab+0xbc/0x10c [ 76.176110][ T4874] should_failslab+0x10/0x28 [ 76.177376][ T4874] slab_pre_alloc_hook+0x64/0xec [ 76.178684][ T4874] __kmalloc_node+0xb8/0x520 [ 76.179868][ T4874] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 76.181346][ T4874] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 76.182888][ T4874] nbd_start_device+0x14c/0xb40 [ 76.184258][ T4874] nbd_ioctl+0x514/0xc50 [ 76.185423][ T4874] blkdev_ioctl+0x5f8/0xbb8 [ 76.186614][ T4874] block_ioctl+0xa4/0x118 [ 76.187785][ T4874] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.189129][ T4874] invoke_syscall+0x98/0x2b8 [ 76.190312][ T4874] el0_svc_common+0x138/0x258 [ 76.191595][ T4874] do_el0_svc+0x58/0x14c [ 76.192728][ T4874] el0_svc+0x78/0x1e0 [ 76.193832][ T4874] el0t_64_sync_handler+0xcc/0xe4 [ 76.195178][ T4874] el0t_64_sync+0x1a0/0x1a4 [ 76.198304][ T4874] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 76.203476][ T4873] block nbd0: shutting down sockets [ 76.358337][ T4877] FAULT_INJECTION: forcing a failure. [ 76.358337][ T4877] name failslab, interval 1, probability 0, space 0, times 0 [ 76.361693][ T4877] CPU: 1 PID: 4877 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 76.364340][ T4877] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 76.367090][ T4877] Call trace: [ 76.367946][ T4877] dump_backtrace+0x0/0x43c [ 76.369166][ T4877] show_stack+0x2c/0x3c [ 76.370271][ T4877] __dump_stack+0x30/0x40 [ 76.371403][ T4877] dump_stack_lvl+0xf8/0x160 [ 76.372581][ T4877] dump_stack+0x1c/0x5c [ 76.373689][ T4877] should_fail+0x3c0/0x51c [ 76.374921][ T4877] __should_failslab+0xbc/0x10c [ 76.376188][ T4877] should_failslab+0x10/0x28 [ 76.377435][ T4877] slab_pre_alloc_hook+0x64/0xec [ 76.378774][ T4877] __kmalloc_node+0xb8/0x520 [ 76.379987][ T4877] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 76.381444][ T4877] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 76.383048][ T4877] nbd_start_device+0x14c/0xb40 [ 76.384359][ T4877] nbd_ioctl+0x514/0xc50 [ 76.385499][ T4877] blkdev_ioctl+0x5f8/0xbb8 [ 76.386711][ T4877] block_ioctl+0xa4/0x118 [ 76.387832][ T4877] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.389171][ T4877] invoke_syscall+0x98/0x2b8 [ 76.390410][ T4877] el0_svc_common+0x138/0x258 [ 76.391714][ T4877] do_el0_svc+0x58/0x14c [ 76.392840][ T4877] el0_svc+0x78/0x1e0 [ 76.393876][ T4877] el0t_64_sync_handler+0xcc/0xe4 [ 76.395272][ T4877] el0t_64_sync+0x1a0/0x1a4 [ 76.396600][ T4877] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 76.401199][ T4878] block nbd0: shutting down sockets [ 76.548855][ T4881] FAULT_INJECTION: forcing a failure. [ 76.548855][ T4881] name failslab, interval 1, probability 0, space 0, times 0 [ 76.552284][ T4881] CPU: 1 PID: 4881 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 76.554834][ T4881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 76.557546][ T4881] Call trace: [ 76.558443][ T4881] dump_backtrace+0x0/0x43c [ 76.559692][ T4881] show_stack+0x2c/0x3c [ 76.560793][ T4881] __dump_stack+0x30/0x40 [ 76.561943][ T4881] dump_stack_lvl+0xf8/0x160 [ 76.563179][ T4881] dump_stack+0x1c/0x5c [ 76.564274][ T4881] should_fail+0x3c0/0x51c [ 76.565460][ T4881] __should_failslab+0xbc/0x10c [ 76.566772][ T4881] should_failslab+0x10/0x28 [ 76.567979][ T4881] slab_pre_alloc_hook+0x64/0xec [ 76.569333][ T4881] __kmalloc_node+0xb8/0x520 [ 76.570543][ T4881] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 76.571987][ T4881] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 76.573529][ T4881] nbd_start_device+0x14c/0xb40 [ 76.574856][ T4881] nbd_ioctl+0x514/0xc50 [ 76.576041][ T4881] blkdev_ioctl+0x5f8/0xbb8 [ 76.577217][ T4881] block_ioctl+0xa4/0x118 [ 76.578367][ T4881] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.579696][ T4881] invoke_syscall+0x98/0x2b8 [ 76.580921][ T4881] el0_svc_common+0x138/0x258 [ 76.582208][ T4881] do_el0_svc+0x58/0x14c [ 76.583319][ T4881] el0_svc+0x78/0x1e0 [ 76.584421][ T4881] el0t_64_sync_handler+0xcc/0xe4 [ 76.585790][ T4881] el0t_64_sync+0x1a0/0x1a4 [ 76.587899][ T4881] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 76.592811][ T4882] block nbd0: shutting down sockets [ 76.734769][ T4885] block nbd0: Device being setup by another task [ 76.736741][ T4884] FAULT_INJECTION: forcing a failure. [ 76.736741][ T4884] name failslab, interval 1, probability 0, space 0, times 0 [ 76.740340][ T4884] CPU: 1 PID: 4884 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 76.742884][ T4884] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 76.745595][ T4884] Call trace: [ 76.746521][ T4884] dump_backtrace+0x0/0x43c [ 76.747700][ T4884] show_stack+0x2c/0x3c [ 76.748800][ T4884] __dump_stack+0x30/0x40 [ 76.749978][ T4884] dump_stack_lvl+0xf8/0x160 [ 76.751229][ T4884] dump_stack+0x1c/0x5c [ 76.752328][ T4884] should_fail+0x3c0/0x51c [ 76.753611][ T4884] __should_failslab+0xbc/0x10c [ 76.754854][ T4884] should_failslab+0x10/0x28 [ 76.756050][ T4884] slab_pre_alloc_hook+0x64/0xec [ 76.757461][ T4884] kmem_cache_alloc+0x94/0x3e4 [ 76.758653][ T4884] new_inode_pseudo+0x10c/0x1fc [ 76.759915][ T4884] new_inode+0x38/0x174 [ 76.761021][ T4884] debugfs_create_dir+0xec/0x3f4 [ 76.762321][ T4884] nbd_start_device+0x3c8/0xb40 [ 76.763566][ T4884] nbd_ioctl+0x514/0xc50 [ 76.764690][ T4884] blkdev_ioctl+0x5f8/0xbb8 [ 76.765921][ T4884] block_ioctl+0xa4/0x118 [ 76.767103][ T4884] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.768380][ T4884] invoke_syscall+0x98/0x2b8 [ 76.769619][ T4884] el0_svc_common+0x138/0x258 [ 76.770859][ T4884] do_el0_svc+0x58/0x14c [ 76.771961][ T4884] el0_svc+0x78/0x1e0 [ 76.772995][ T4884] el0t_64_sync_handler+0xcc/0xe4 [ 76.774290][ T4884] el0t_64_sync+0x1a0/0x1a4 [ 76.776369][ T4884] debugfs: out of free dentries, can not create directory 'nbd0' [ 76.778395][ T4884] block nbd0: Failed to create debugfs dir for 'nbd0' [ 76.783837][ T4885] block nbd0: shutting down sockets [ 76.938394][ T4888] FAULT_INJECTION: forcing a failure. [ 76.938394][ T4888] name failslab, interval 1, probability 0, space 0, times 0 [ 76.941765][ T4888] CPU: 0 PID: 4888 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 76.944392][ T4888] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 76.947166][ T4888] Call trace: [ 76.947991][ T4888] dump_backtrace+0x0/0x43c [ 76.949216][ T4888] show_stack+0x2c/0x3c [ 76.950362][ T4888] __dump_stack+0x30/0x40 [ 76.951532][ T4888] dump_stack_lvl+0xf8/0x160 [ 76.952766][ T4888] dump_stack+0x1c/0x5c [ 76.953897][ T4888] should_fail+0x3c0/0x51c [ 76.955034][ T4888] __should_failslab+0xbc/0x10c [ 76.956365][ T4888] should_failslab+0x10/0x28 [ 76.957547][ T4888] slab_pre_alloc_hook+0x64/0xec [ 76.958911][ T4888] __kmalloc_node+0xb8/0x520 [ 76.960128][ T4888] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 76.961568][ T4888] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 76.963065][ T4888] nbd_start_device+0x14c/0xb40 [ 76.964400][ T4888] nbd_ioctl+0x514/0xc50 [ 76.965516][ T4888] blkdev_ioctl+0x5f8/0xbb8 [ 76.966740][ T4888] block_ioctl+0xa4/0x118 [ 76.967875][ T4888] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.969138][ T4888] invoke_syscall+0x98/0x2b8 [ 76.970270][ T4888] el0_svc_common+0x138/0x258 [ 76.971434][ T4888] do_el0_svc+0x58/0x14c [ 76.972506][ T4888] el0_svc+0x78/0x1e0 [ 76.973543][ T4888] el0t_64_sync_handler+0xcc/0xe4 [ 76.974863][ T4888] el0t_64_sync+0x1a0/0x1a4 [ 76.976345][ T4888] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 76.981592][ T4887] block nbd0: shutting down sockets [ 77.108378][ T4890] FAULT_INJECTION: forcing a failure. [ 77.108378][ T4890] name failslab, interval 1, probability 0, space 0, times 0 [ 77.111814][ T4890] CPU: 0 PID: 4890 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 77.114287][ T4890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 77.116899][ T4890] Call trace: [ 77.117722][ T4890] dump_backtrace+0x0/0x43c [ 77.118875][ T4890] show_stack+0x2c/0x3c [ 77.119915][ T4890] __dump_stack+0x30/0x40 [ 77.121001][ T4890] dump_stack_lvl+0xf8/0x160 [ 77.122114][ T4890] dump_stack+0x1c/0x5c [ 77.123176][ T4890] should_fail+0x3c0/0x51c [ 77.124308][ T4890] __should_failslab+0xbc/0x10c [ 77.125521][ T4890] should_failslab+0x10/0x28 [ 77.126691][ T4890] slab_pre_alloc_hook+0x64/0xec [ 77.127982][ T4890] __kmalloc_node+0xb8/0x520 [ 77.129112][ T4890] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 77.130517][ T4890] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 77.132204][ T4890] nbd_start_device+0x14c/0xb40 [ 77.133553][ T4890] nbd_ioctl+0x514/0xc50 [ 77.134684][ T4890] blkdev_ioctl+0x5f8/0xbb8 [ 77.136002][ T4890] block_ioctl+0xa4/0x118 [ 77.137230][ T4890] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.138554][ T4890] invoke_syscall+0x98/0x2b8 [ 77.139754][ T4890] el0_svc_common+0x138/0x258 [ 77.141004][ T4890] do_el0_svc+0x58/0x14c [ 77.142095][ T4890] el0_svc+0x78/0x1e0 [ 77.143182][ T4890] el0t_64_sync_handler+0xcc/0xe4 [ 77.144493][ T4890] el0t_64_sync+0x1a0/0x1a4 [ 77.145968][ T4890] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 77.151188][ T4891] block nbd0: shutting down sockets [ 77.284772][ T4894] block nbd0: Device being setup by another task [ 77.286869][ T4893] FAULT_INJECTION: forcing a failure. [ 77.286869][ T4893] name failslab, interval 1, probability 0, space 0, times 0 [ 77.290338][ T4893] CPU: 1 PID: 4893 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 77.292876][ T4893] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 77.295518][ T4893] Call trace: [ 77.296386][ T4893] dump_backtrace+0x0/0x43c [ 77.297558][ T4893] show_stack+0x2c/0x3c [ 77.298615][ T4893] __dump_stack+0x30/0x40 [ 77.299755][ T4893] dump_stack_lvl+0xf8/0x160 [ 77.300953][ T4893] dump_stack+0x1c/0x5c [ 77.302078][ T4893] should_fail+0x3c0/0x51c [ 77.303291][ T4893] __should_failslab+0xbc/0x10c [ 77.304559][ T4893] should_failslab+0x10/0x28 [ 77.305811][ T4893] slab_pre_alloc_hook+0x64/0xec [ 77.307131][ T4893] kmem_cache_alloc+0x94/0x3e4 [ 77.308412][ T4893] new_inode_pseudo+0x10c/0x1fc [ 77.309700][ T4893] new_inode+0x38/0x174 [ 77.310809][ T4893] debugfs_create_dir+0xec/0x3f4 [ 77.312087][ T4893] nbd_start_device+0x3c8/0xb40 [ 77.313391][ T4893] nbd_ioctl+0x514/0xc50 [ 77.314493][ T4893] blkdev_ioctl+0x5f8/0xbb8 [ 77.315679][ T4893] block_ioctl+0xa4/0x118 [ 77.316870][ T4893] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.318175][ T4893] invoke_syscall+0x98/0x2b8 [ 77.319324][ T4893] el0_svc_common+0x138/0x258 [ 77.320494][ T4893] do_el0_svc+0x58/0x14c [ 77.321572][ T4893] el0_svc+0x78/0x1e0 [ 77.322562][ T4893] el0t_64_sync_handler+0xcc/0xe4 [ 77.323979][ T4893] el0t_64_sync+0x1a0/0x1a4 [ 77.328237][ T4893] debugfs: out of free dentries, can not create directory 'nbd0' [ 77.330281][ T4893] block nbd0: Failed to create debugfs dir for 'nbd0' [ 77.335377][ T4894] block nbd0: shutting down sockets [ 77.468296][ T4896] FAULT_INJECTION: forcing a failure. [ 77.468296][ T4896] name failslab, interval 1, probability 0, space 0, times 0 [ 77.471662][ T4896] CPU: 0 PID: 4896 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 77.474252][ T4896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 77.476912][ T4896] Call trace: [ 77.477761][ T4896] dump_backtrace+0x0/0x43c [ 77.478945][ T4896] show_stack+0x2c/0x3c [ 77.480023][ T4896] __dump_stack+0x30/0x40 [ 77.481198][ T4896] dump_stack_lvl+0xf8/0x160 [ 77.482405][ T4896] dump_stack+0x1c/0x5c [ 77.483506][ T4896] should_fail+0x3c0/0x51c [ 77.484696][ T4896] __should_failslab+0xbc/0x10c [ 77.486037][ T4896] should_failslab+0x10/0x28 [ 77.487255][ T4896] slab_pre_alloc_hook+0x64/0xec [ 77.488552][ T4896] __kmalloc_node+0xb8/0x520 [ 77.489752][ T4896] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 77.491241][ T4896] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 77.492759][ T4896] nbd_start_device+0x14c/0xb40 [ 77.494054][ T4896] nbd_ioctl+0x514/0xc50 [ 77.495175][ T4896] blkdev_ioctl+0x5f8/0xbb8 [ 77.496370][ T4896] block_ioctl+0xa4/0x118 [ 77.497533][ T4896] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.498981][ T4896] invoke_syscall+0x98/0x2b8 [ 77.500241][ T4896] el0_svc_common+0x138/0x258 [ 77.501473][ T4896] do_el0_svc+0x58/0x14c [ 77.502608][ T4896] el0_svc+0x78/0x1e0 [ 77.503664][ T4896] el0t_64_sync_handler+0xcc/0xe4 [ 77.505020][ T4896] el0t_64_sync+0x1a0/0x1a4 [ 77.508499][ T4896] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 77.513742][ T4897] block nbd0: shutting down sockets [ 77.668232][ T4899] FAULT_INJECTION: forcing a failure. [ 77.668232][ T4899] name failslab, interval 1, probability 0, space 0, times 0 [ 77.671684][ T4899] CPU: 1 PID: 4899 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 77.674286][ T4899] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 77.676945][ T4899] Call trace: [ 77.677805][ T4899] dump_backtrace+0x0/0x43c [ 77.678990][ T4899] show_stack+0x2c/0x3c [ 77.680150][ T4899] __dump_stack+0x30/0x40 [ 77.681322][ T4899] dump_stack_lvl+0xf8/0x160 [ 77.682545][ T4899] dump_stack+0x1c/0x5c [ 77.683641][ T4899] should_fail+0x3c0/0x51c [ 77.684827][ T4899] __should_failslab+0xbc/0x10c [ 77.686153][ T4899] should_failslab+0x10/0x28 [ 77.687345][ T4899] slab_pre_alloc_hook+0x64/0xec [ 77.688670][ T4899] __kmalloc_node+0xb8/0x520 [ 77.689873][ T4899] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 77.691292][ T4899] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 77.692795][ T4899] nbd_start_device+0x14c/0xb40 [ 77.694123][ T4899] nbd_ioctl+0x514/0xc50 [ 77.695228][ T4899] blkdev_ioctl+0x5f8/0xbb8 [ 77.696410][ T4899] block_ioctl+0xa4/0x118 [ 77.697563][ T4899] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.698862][ T4899] invoke_syscall+0x98/0x2b8 [ 77.700116][ T4899] el0_svc_common+0x138/0x258 [ 77.701429][ T4899] do_el0_svc+0x58/0x14c [ 77.702565][ T4899] el0_svc+0x78/0x1e0 [ 77.703647][ T4899] el0t_64_sync_handler+0xcc/0xe4 [ 77.704950][ T4899] el0t_64_sync+0x1a0/0x1a4 [ 77.708055][ T4899] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 77.712706][ T4900] block nbd0: shutting down sockets [ 77.878247][ T4902] FAULT_INJECTION: forcing a failure. [ 77.878247][ T4902] name failslab, interval 1, probability 0, space 0, times 0 [ 77.881534][ T4902] CPU: 0 PID: 4902 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 77.883989][ T4902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 77.886584][ T4902] Call trace: [ 77.887438][ T4902] dump_backtrace+0x0/0x43c [ 77.888658][ T4902] show_stack+0x2c/0x3c [ 77.889725][ T4902] __dump_stack+0x30/0x40 [ 77.890916][ T4902] dump_stack_lvl+0xf8/0x160 [ 77.892147][ T4902] dump_stack+0x1c/0x5c [ 77.893280][ T4902] should_fail+0x3c0/0x51c [ 77.894474][ T4902] __should_failslab+0xbc/0x10c [ 77.895798][ T4902] should_failslab+0x10/0x28 [ 77.896977][ T4902] slab_pre_alloc_hook+0x64/0xec [ 77.898251][ T4902] __kmalloc_node+0xb8/0x520 [ 77.899514][ T4902] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 77.900980][ T4902] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 77.902521][ T4902] nbd_start_device+0x14c/0xb40 [ 77.903798][ T4902] nbd_ioctl+0x514/0xc50 [ 77.904941][ T4902] blkdev_ioctl+0x5f8/0xbb8 [ 77.906156][ T4902] block_ioctl+0xa4/0x118 [ 77.907283][ T4902] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.908651][ T4902] invoke_syscall+0x98/0x2b8 [ 77.909911][ T4902] el0_svc_common+0x138/0x258 [ 77.911202][ T4902] do_el0_svc+0x58/0x14c [ 77.912301][ T4902] el0_svc+0x78/0x1e0 [ 77.913389][ T4902] el0t_64_sync_handler+0xcc/0xe4 [ 77.914737][ T4902] el0t_64_sync+0x1a0/0x1a4 [ 77.916092][ T4902] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 77.922480][ T4903] block nbd0: shutting down sockets [ 78.048954][ T4906] FAULT_INJECTION: forcing a failure. [ 78.048954][ T4906] name failslab, interval 1, probability 0, space 0, times 0 [ 78.052207][ T4906] CPU: 1 PID: 4906 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 78.054787][ T4906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 78.057462][ T4906] Call trace: [ 78.058314][ T4906] dump_backtrace+0x0/0x43c [ 78.059489][ T4906] show_stack+0x2c/0x3c [ 78.060558][ T4906] __dump_stack+0x30/0x40 [ 78.061667][ T4906] dump_stack_lvl+0xf8/0x160 [ 78.062906][ T4906] dump_stack+0x1c/0x5c [ 78.064022][ T4906] should_fail+0x3c0/0x51c [ 78.065193][ T4906] __should_failslab+0xbc/0x10c [ 78.066467][ T4906] should_failslab+0x10/0x28 [ 78.067638][ T4906] slab_pre_alloc_hook+0x64/0xec [ 78.068915][ T4906] __kmalloc_node+0xb8/0x520 [ 78.070165][ T4906] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 78.071590][ T4906] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 78.073093][ T4906] nbd_start_device+0x14c/0xb40 [ 78.074356][ T4906] nbd_ioctl+0x514/0xc50 [ 78.075487][ T4906] blkdev_ioctl+0x5f8/0xbb8 [ 78.076656][ T4906] block_ioctl+0xa4/0x118 [ 78.077756][ T4906] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.079062][ T4906] invoke_syscall+0x98/0x2b8 [ 78.080326][ T4906] el0_svc_common+0x138/0x258 [ 78.081533][ T4906] do_el0_svc+0x58/0x14c [ 78.082637][ T4906] el0_svc+0x78/0x1e0 [ 78.083689][ T4906] el0t_64_sync_handler+0xcc/0xe4 [ 78.084978][ T4906] el0t_64_sync+0x1a0/0x1a4 [ 78.086438][ T4906] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 78.091049][ T4907] block nbd0: shutting down sockets [ 78.228388][ T4909] FAULT_INJECTION: forcing a failure. [ 78.228388][ T4909] name failslab, interval 1, probability 0, space 0, times 0 [ 78.231765][ T4909] CPU: 1 PID: 4909 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 78.234478][ T4909] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 78.237157][ T4909] Call trace: [ 78.238038][ T4909] dump_backtrace+0x0/0x43c [ 78.239202][ T4909] show_stack+0x2c/0x3c [ 78.240381][ T4909] __dump_stack+0x30/0x40 [ 78.241500][ T4909] dump_stack_lvl+0xf8/0x160 [ 78.242688][ T4909] dump_stack+0x1c/0x5c [ 78.243817][ T4909] should_fail+0x3c0/0x51c [ 78.244932][ T4909] __should_failslab+0xbc/0x10c [ 78.246232][ T4909] should_failslab+0x10/0x28 [ 78.247460][ T4909] slab_pre_alloc_hook+0x64/0xec [ 78.248771][ T4909] __kmalloc_node+0xb8/0x520 [ 78.249979][ T4909] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 78.251379][ T4909] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 78.252919][ T4909] nbd_start_device+0x14c/0xb40 [ 78.254252][ T4909] nbd_ioctl+0x514/0xc50 [ 78.255389][ T4909] blkdev_ioctl+0x5f8/0xbb8 [ 78.256559][ T4909] block_ioctl+0xa4/0x118 [ 78.257722][ T4909] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.258993][ T4909] invoke_syscall+0x98/0x2b8 [ 78.260210][ T4909] el0_svc_common+0x138/0x258 [ 78.261453][ T4909] do_el0_svc+0x58/0x14c [ 78.262591][ T4909] el0_svc+0x78/0x1e0 [ 78.263640][ T4909] el0t_64_sync_handler+0xcc/0xe4 [ 78.264978][ T4909] el0t_64_sync+0x1a0/0x1a4 [ 78.266830][ T4909] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 78.271485][ T4910] block nbd0: shutting down sockets 1970/01/01 00:01:18 executed programs: 70 [ 78.409870][ T4912] FAULT_INJECTION: forcing a failure. [ 78.409870][ T4912] name failslab, interval 1, probability 0, space 0, times 0 [ 78.413247][ T4912] CPU: 1 PID: 4912 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 78.415821][ T4912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 78.418495][ T4912] Call trace: [ 78.419372][ T4912] dump_backtrace+0x0/0x43c [ 78.420556][ T4912] show_stack+0x2c/0x3c [ 78.421707][ T4912] __dump_stack+0x30/0x40 [ 78.422863][ T4912] dump_stack_lvl+0xf8/0x160 [ 78.424088][ T4912] dump_stack+0x1c/0x5c [ 78.425200][ T4912] should_fail+0x3c0/0x51c [ 78.426372][ T4912] __should_failslab+0xbc/0x10c [ 78.427667][ T4912] should_failslab+0x10/0x28 [ 78.428906][ T4912] slab_pre_alloc_hook+0x64/0xec [ 78.430205][ T4912] __kmalloc_node+0xb8/0x520 [ 78.431413][ T4912] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 78.432829][ T4912] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 78.434340][ T4912] nbd_start_device+0x14c/0xb40 [ 78.435638][ T4912] nbd_ioctl+0x514/0xc50 [ 78.436748][ T4912] blkdev_ioctl+0x5f8/0xbb8 [ 78.437945][ T4912] block_ioctl+0xa4/0x118 [ 78.439103][ T4912] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.440419][ T4912] invoke_syscall+0x98/0x2b8 [ 78.441595][ T4912] el0_svc_common+0x138/0x258 [ 78.442792][ T4912] do_el0_svc+0x58/0x14c [ 78.443908][ T4912] el0_svc+0x78/0x1e0 [ 78.444915][ T4912] el0t_64_sync_handler+0xcc/0xe4 [ 78.446283][ T4912] el0t_64_sync+0x1a0/0x1a4 [ 78.447561][ T4912] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 78.452237][ T4913] block nbd0: shutting down sockets [ 78.588980][ T4916] FAULT_INJECTION: forcing a failure. [ 78.588980][ T4916] name failslab, interval 1, probability 0, space 0, times 0 [ 78.592332][ T4916] CPU: 1 PID: 4916 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 78.594961][ T4916] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 78.597657][ T4916] Call trace: [ 78.598493][ T4916] dump_backtrace+0x0/0x43c [ 78.599683][ T4916] show_stack+0x2c/0x3c [ 78.600783][ T4916] __dump_stack+0x30/0x40 [ 78.601875][ T4916] dump_stack_lvl+0xf8/0x160 [ 78.603171][ T4916] dump_stack+0x1c/0x5c [ 78.604224][ T4916] should_fail+0x3c0/0x51c [ 78.605414][ T4916] __should_failslab+0xbc/0x10c [ 78.606713][ T4916] should_failslab+0x10/0x28 [ 78.607917][ T4916] slab_pre_alloc_hook+0x64/0xec [ 78.609210][ T4916] __kmalloc_node+0xb8/0x520 [ 78.610399][ T4916] blk_mq_update_nr_hw_queues+0x54c/0xbfc [ 78.611905][ T4916] nbd_start_device+0x14c/0xb40 [ 78.613190][ T4916] nbd_ioctl+0x514/0xc50 [ 78.614456][ T4916] blkdev_ioctl+0x5f8/0xbb8 [ 78.615613][ T4916] block_ioctl+0xa4/0x118 [ 78.616833][ T4916] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.618212][ T4916] invoke_syscall+0x98/0x2b8 [ 78.619448][ T4916] el0_svc_common+0x138/0x258 [ 78.620748][ T4916] do_el0_svc+0x58/0x14c [ 78.621905][ T4916] el0_svc+0x78/0x1e0 [ 78.622949][ T4916] el0t_64_sync_handler+0xcc/0xe4 [ 78.624313][ T4916] el0t_64_sync+0x1a0/0x1a4 [ 78.632054][ T4917] block nbd0: shutting down sockets [ 78.728471][ T4919] FAULT_INJECTION: forcing a failure. [ 78.728471][ T4919] name failslab, interval 1, probability 0, space 0, times 0 [ 78.731768][ T4919] CPU: 1 PID: 4919 Comm: syz-executor.0 Tainted: G W 5.15.181-syzkaller #0 [ 78.734366][ T4919] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 78.736982][ T4919] Call trace: [ 78.737839][ T4919] dump_backtrace+0x0/0x43c [ 78.739014][ T4919] show_stack+0x2c/0x3c [ 78.740144][ T4919] __dump_stack+0x30/0x40 [ 78.741294][ T4919] dump_stack_lvl+0xf8/0x160 [ 78.742493][ T4919] dump_stack+0x1c/0x5c [ 78.743589][ T4919] should_fail+0x3c0/0x51c [ 78.744798][ T4919] __should_failslab+0xbc/0x10c [ 78.746064][ T4919] should_failslab+0x10/0x28 [ 78.747261][ T4919] slab_pre_alloc_hook+0x64/0xec [ 78.748570][ T4919] __kmalloc_node+0xb8/0x520 [ 78.749787][ T4919] blk_mq_realloc_hw_ctxs+0xb8/0x133c [ 78.751184][ T4919] blk_mq_update_nr_hw_queues+0x62c/0xbfc [ 78.752659][ T4919] nbd_start_device+0x14c/0xb40 [ 78.753953][ T4919] nbd_ioctl+0x514/0xc50 [ 78.755057][ T4919] blkdev_ioctl+0x5f8/0xbb8 [ 78.756298][ T4919] block_ioctl+0xa4/0x118 [ 78.757460][ T4919] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.758740][ T4919] invoke_syscall+0x98/0x2b8 [ 78.759912][ T4919] el0_svc_common+0x138/0x258 [ 78.761156][ T4919] do_el0_svc+0x58/0x14c [ 78.762245][ T4919] el0_svc+0x78/0x1e0 [ 78.763279][ T4919] el0t_64_sync_handler+0xcc/0xe4 [ 78.764577][ T4919] el0t_64_sync+0x1a0/0x1a4 [ 78.767123][ T4919] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 78.772258][ T4920] block nbd0: shutting down sockets