Warning: Permanently added '10.128.1.222' (ED25519) to the list of known hosts. 1970/01/01 00:01:05 parsed 1 programs [ 66.449160][ T4545] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 69.597172][ T2064] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.597808][ T1542] cfg80211: failed to load regulatory.db [ 69.598283][ T2064] ieee802154 phy1 wpan1: encryption failed: -22 [ 70.342898][ T4412] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.344222][ T4412] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.348627][ T621] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 70.352620][ T4412] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.353744][ T4412] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.355534][ T621] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 70.523520][ T4621] chnl_net:caif_netlink_parms(): no params data found [ 70.542191][ T4621] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.543316][ T4621] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.544864][ T4621] device bridge_slave_0 entered promiscuous mode [ 70.547380][ T4621] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.548510][ T4621] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.550047][ T4621] device bridge_slave_1 entered promiscuous mode [ 70.560240][ T4621] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.562877][ T4621] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.573011][ T4621] team0: Port device team_slave_0 added [ 70.574962][ T4621] team0: Port device team_slave_1 added [ 70.583031][ T4621] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 70.584115][ T4621] 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. [ 70.588252][ T4621] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 70.590566][ T4621] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 70.591688][ T4621] 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. [ 70.595510][ T4621] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 70.667086][ T4621] device hsr_slave_0 entered promiscuous mode [ 70.706008][ T4621] device hsr_slave_1 entered promiscuous mode [ 71.440224][ T4621] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 71.468611][ T4621] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 71.507830][ T4621] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 71.547354][ T4621] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 71.618452][ T4621] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.622534][ T4412] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.623869][ T4412] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.627710][ T4621] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.630366][ T4412] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.631823][ T4412] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.633551][ T4412] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.634522][ T4412] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.637895][ T4412] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.641618][ T4412] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.643361][ T4412] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.644843][ T4412] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.645952][ T4412] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.652417][ T4412] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.654302][ T4412] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.657498][ T4412] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.659280][ T4412] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.665186][ T4621] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 71.668529][ T4621] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.671487][ T4412] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.673014][ T4412] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.674997][ T4412] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.677374][ T4412] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.678983][ T4412] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.681022][ T4412] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.682482][ T4412] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.687955][ T4412] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.730249][ T4621] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.737635][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.738777][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.739935][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.741472][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.750687][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.752141][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.753653][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.754968][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.759303][ T4621] device veth0_vlan entered promiscuous mode [ 71.762984][ T4621] device veth1_vlan entered promiscuous mode [ 71.774582][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 71.776045][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 71.777482][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 71.778949][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 71.782652][ T4621] device veth0_macvtap entered promiscuous mode [ 71.785673][ T4621] device veth1_macvtap entered promiscuous mode [ 71.793478][ T4621] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 71.794630][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 71.796908][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 71.798353][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 71.799832][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 71.802687][ T4621] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 71.804942][ T4621] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.806770][ T4621] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.808112][ T4621] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.809391][ T4621] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.811904][ T621] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 71.813287][ T621] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 1970/01/01 00:01:11 executed programs: 0 [ 71.958641][ T4763] chnl_net:caif_netlink_parms(): no params data found [ 71.981324][ T4763] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.982557][ T4763] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.984177][ T4763] device bridge_slave_0 entered promiscuous mode [ 71.987755][ T4763] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.988780][ T4763] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.990221][ T4763] device bridge_slave_1 entered promiscuous mode [ 71.999822][ T4763] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.002240][ T4763] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.012017][ T4763] team0: Port device team_slave_0 added [ 72.013869][ T4763] team0: Port device team_slave_1 added [ 72.021375][ T4763] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 72.022448][ T4763] 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. [ 72.026545][ T4763] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 72.028978][ T4763] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 72.030003][ T4763] 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. [ 72.033900][ T4763] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 72.077049][ T4763] device hsr_slave_0 entered promiscuous mode [ 72.106191][ T4763] device hsr_slave_1 entered promiscuous mode [ 72.126383][ T4763] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.127541][ T4763] Cannot create hsr debugfs directory [ 72.163384][ T4763] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 73.916323][ T4711] Bluetooth: hci0: command 0x0409 tx timeout [ 75.210223][ T4763] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 75.996158][ T4708] Bluetooth: hci0: command 0x041b tx timeout [ 77.619381][ T4763] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 77.671145][ T4763] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 77.819976][ T4763] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 77.847698][ T4763] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 77.890438][ T4763] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 77.931322][ T4763] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 77.995085][ T4763] 8021q: adding VLAN 0 to HW filter on device bond0 [ 77.999277][ T621] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 78.000829][ T621] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 78.003336][ T4763] 8021q: adding VLAN 0 to HW filter on device team0 [ 78.008078][ T621] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 78.009724][ T621] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 78.011125][ T621] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.012121][ T621] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.013391][ T621] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 78.014841][ T621] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 78.016376][ T621] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.017416][ T621] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.018791][ T621] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 78.021672][ T621] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 78.024429][ T621] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 78.030885][ T621] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 78.033043][ T621] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 78.034405][ T621] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 78.039049][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 78.040670][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 78.043950][ T621] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 78.045483][ T621] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 78.048144][ T621] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 78.049612][ T621] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 78.052860][ T4763] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 78.075850][ T4110] Bluetooth: hci0: command 0x040f tx timeout [ 78.096105][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 78.097436][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 78.101023][ T4763] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 78.111604][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 78.113352][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 78.121441][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 78.122910][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 78.124487][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 78.126905][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 78.129142][ T4763] device veth0_vlan entered promiscuous mode [ 78.132558][ T4763] device veth1_vlan entered promiscuous mode [ 78.146883][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 78.148377][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 78.149787][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 78.151292][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 78.153489][ T4763] device veth0_macvtap entered promiscuous mode [ 78.156251][ T4763] device veth1_macvtap entered promiscuous mode [ 78.161608][ T4763] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 78.163203][ T4763] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.165276][ T4763] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 78.167172][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 78.168625][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 78.170000][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 78.171521][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 78.173585][ T4763] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 78.175268][ T4763] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 78.178374][ T4763] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 78.183809][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 78.185478][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 78.189144][ T4763] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.190439][ T4763] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.191688][ T4763] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.192907][ T4763] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.215566][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.220384][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.224645][ T621] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 78.228545][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.229758][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.231639][ T621] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:18 executed programs: 2 [ 78.249030][ T5010] FAULT_INJECTION: forcing a failure. [ 78.249030][ T5010] name failslab, interval 1, probability 0, space 0, times 1 [ 78.250902][ T5010] CPU: 1 PID: 5010 Comm: syz.0.15 Not tainted syzkaller #0 [ 78.251944][ T5010] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.253509][ T5010] Call trace: [ 78.253953][ T5010] dump_backtrace+0x0/0x43c [ 78.254661][ T5010] show_stack+0x2c/0x3c [ 78.255276][ T5010] __dump_stack+0x30/0x40 [ 78.255911][ T5010] dump_stack_lvl+0xf8/0x160 [ 78.256636][ T5010] dump_stack+0x1c/0x5c [ 78.257257][ T5010] should_fail+0x3c0/0x51c [ 78.257908][ T5010] __should_failslab+0xbc/0x10c [ 78.258612][ T5010] should_failslab+0x10/0x28 [ 78.259341][ T5010] slab_pre_alloc_hook+0x64/0xec [ 78.260127][ T5010] kmem_cache_alloc+0x94/0x3e4 [ 78.260838][ T5010] security_inode_alloc+0x38/0x11c [ 78.261571][ T5010] inode_init_always+0x670/0xa84 [ 78.262298][ T5010] new_inode_pseudo+0x7c/0x1fc [ 78.262986][ T5010] new_inode+0x38/0x174 [ 78.263537][ T5010] bdev_alloc+0x30/0x1f8 [ 78.264125][ T5010] __alloc_disk_node+0xbc/0x458 [ 78.264766][ T5010] __blk_mq_alloc_disk+0xe8/0x154 [ 78.265490][ T5010] loop_add+0x240/0x6e0 [ 78.266106][ T5010] loop_control_ioctl+0x128/0x4d0 [ 78.266865][ T5010] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.267597][ T5010] invoke_syscall+0x98/0x2b8 [ 78.268233][ T5010] el0_svc_common+0x138/0x258 [ 78.268902][ T5010] do_el0_svc+0x58/0x14c [ 78.269484][ T5010] el0_svc+0x78/0x1e0 [ 78.270136][ T5010] el0t_64_sync_handler+0xcc/0xe4 [ 78.270933][ T5010] el0t_64_sync+0x1a0/0x1a4 [ 78.282689][ T5012] FAULT_INJECTION: forcing a failure. [ 78.282689][ T5012] name failslab, interval 1, probability 0, space 0, times 0 [ 78.284660][ T5012] CPU: 0 PID: 5012 Comm: syz.0.16 Not tainted syzkaller #0 [ 78.285732][ T5012] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.287222][ T5012] Call trace: [ 78.287775][ T5012] dump_backtrace+0x0/0x43c [ 78.288548][ T5012] show_stack+0x2c/0x3c [ 78.289233][ T5012] __dump_stack+0x30/0x40 [ 78.289866][ T5012] dump_stack_lvl+0xf8/0x160 [ 78.290562][ T5012] dump_stack+0x1c/0x5c [ 78.291220][ T5012] should_fail+0x3c0/0x51c [ 78.291849][ T5012] __should_failslab+0xbc/0x10c [ 78.292610][ T5012] should_failslab+0x10/0x28 [ 78.293306][ T5012] slab_pre_alloc_hook+0x64/0xec [ 78.293965][ T5012] kmem_cache_alloc_trace+0x98/0x3fc [ 78.294722][ T5012] rand_initialize_disk+0x58/0xb8 [ 78.295508][ T5012] __alloc_disk_node+0x2a8/0x458 [ 78.296267][ T5012] __blk_mq_alloc_disk+0xe8/0x154 [ 78.296955][ T5012] loop_add+0x240/0x6e0 [ 78.297572][ T5012] loop_control_ioctl+0x128/0x4d0 [ 78.298290][ T5012] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.298977][ T5012] invoke_syscall+0x98/0x2b8 [ 78.299652][ T5012] el0_svc_common+0x138/0x258 [ 78.300351][ T5012] do_el0_svc+0x58/0x14c [ 78.301034][ T5012] el0_svc+0x78/0x1e0 [ 78.301692][ T5012] el0t_64_sync_handler+0xcc/0xe4 [ 78.302486][ T5012] el0t_64_sync+0x1a0/0x1a4 [ 78.321783][ T5014] FAULT_INJECTION: forcing a failure. [ 78.321783][ T5014] name failslab, interval 1, probability 0, space 0, times 0 [ 78.323816][ T5014] CPU: 0 PID: 5014 Comm: syz.0.17 Not tainted syzkaller #0 [ 78.324901][ T5014] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.326363][ T5014] Call trace: [ 78.326898][ T5014] dump_backtrace+0x0/0x43c [ 78.327580][ T5014] show_stack+0x2c/0x3c [ 78.328173][ T5014] __dump_stack+0x30/0x40 [ 78.328827][ T5014] dump_stack_lvl+0xf8/0x160 [ 78.329523][ T5014] dump_stack+0x1c/0x5c [ 78.330124][ T5014] should_fail+0x3c0/0x51c [ 78.330722][ T5014] __should_failslab+0xbc/0x10c [ 78.331358][ T5014] should_failslab+0x10/0x28 [ 78.332004][ T5014] slab_pre_alloc_hook+0x64/0xec [ 78.332785][ T5014] __kmalloc_track_caller+0x74/0x370 [ 78.333505][ T5014] kstrdup+0xe4/0x15c [ 78.334067][ T5014] kstrdup_const+0x54/0x6c [ 78.334699][ T5014] kvasprintf_const+0x118/0x2d0 [ 78.335392][ T5014] kobject_set_name_vargs+0xcc/0x1b4 [ 78.336152][ T5014] dev_set_name+0xd8/0x124 [ 78.336802][ T5014] device_add_disk+0x258/0xad0 [ 78.337579][ T5014] loop_add+0x510/0x6e0 [ 78.338288][ T5014] loop_control_ioctl+0x128/0x4d0 [ 78.339036][ T5014] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.339814][ T5014] invoke_syscall+0x98/0x2b8 [ 78.340546][ T5014] el0_svc_common+0x138/0x258 [ 78.341255][ T5014] do_el0_svc+0x58/0x14c [ 78.341898][ T5014] el0_svc+0x78/0x1e0 [ 78.342515][ T5014] el0t_64_sync_handler+0xcc/0xe4 [ 78.343248][ T5014] el0t_64_sync+0x1a0/0x1a4 [ 78.344473][ T5014] ------------[ cut here ]------------ [ 78.345165][ T5014] WARNING: CPU: 0 PID: 5014 at block/genhd.c:547 device_add_disk+0x5d8/0xad0 [ 78.346550][ T5014] Modules linked in: [ 78.347187][ T5014] CPU: 0 PID: 5014 Comm: syz.0.17 Not tainted syzkaller #0 [ 78.348309][ T5014] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.349927][ T5014] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.351087][ T5014] pc : device_add_disk+0x5d8/0xad0 [ 78.351875][ T5014] lr : device_add_disk+0x5d4/0xad0 [ 78.352625][ T5014] sp : ffff80001f6a7b60 [ 78.353218][ T5014] x29: ffff80001f6a7bc0 x28: dfff800000000000 x27: ffff0000cc2c2340 [ 78.354394][ T5014] x26: ffff0000cc2c283c x25: 00000000ffffffea x24: ffff0000dcf3d8a0 [ 78.355562][ T5014] x23: 1fffe0001b9e7b14 x22: 0000000000000001 x21: ffff0000dcf3d890 [ 78.356756][ T5014] x20: 0000000000000007 x19: ffff0000dcf3d800 x18: 0000000000000001 [ 78.357881][ T5014] x17: 0000000000000000 x16: ffff8000082c0c04 x15: ffff800008921734 [ 78.358997][ T5014] x14: ffff80000bcd22a0 x13: ffff80000bcd2b58 x12: 0000000000ff0100 [ 78.360179][ T5014] x11: 0000000000000000 x10: 0000000000000000 x9 : ffff80000a60517c [ 78.361411][ T5014] x8 : ffff0000d60f8000 x7 : 0000000000000000 x6 : ffff80000805b43c [ 78.362629][ T5014] x5 : ffff0000da83c6f0 x4 : 0000000000000000 x3 : ffff80000a904d80 [ 78.363758][ T5014] x2 : 0000000000000001 x1 : 0000000000000007 x0 : 0000000000000103 [ 78.364842][ T5014] Call trace: [ 78.365273][ T5014] device_add_disk+0x5d8/0xad0 [ 78.365930][ T5014] loop_add+0x510/0x6e0 [ 78.366549][ T5014] loop_control_ioctl+0x128/0x4d0 [ 78.367261][ T5014] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.368002][ T5014] invoke_syscall+0x98/0x2b8 [ 78.368655][ T5014] el0_svc_common+0x138/0x258 [ 78.369240][ T5014] do_el0_svc+0x58/0x14c [ 78.369853][ T5014] el0_svc+0x78/0x1e0 [ 78.370417][ T5014] el0t_64_sync_handler+0xcc/0xe4 [ 78.371086][ T5014] el0t_64_sync+0x1a0/0x1a4 [ 78.371716][ T5014] irq event stamp: 980 [ 78.372320][ T5014] hardirqs last enabled at (979): [] kasan_quarantine_put+0xc4/0x204 [ 78.373799][ T5014] hardirqs last disabled at (980): [] el1_dbg+0x24/0x80 [ 78.375062][ T5014] softirqs last enabled at (968): [] handle_softirqs+0xa4c/0xbf0 [ 78.376361][ T5014] softirqs last disabled at (865): [] __irq_exit_rcu+0x240/0x440 [ 78.377747][ T5014] ---[ end trace ab67b14ea4a497e0 ]--- [ 78.379268][ T148] device hsr_slave_0 left promiscuous mode [ 78.391916][ T5016] FAULT_INJECTION: forcing a failure. [ 78.391916][ T5016] name failslab, interval 1, probability 0, space 0, times 0 [ 78.393980][ T5016] CPU: 1 PID: 5016 Comm: syz.0.18 Tainted: G W syzkaller #0 [ 78.395294][ T5016] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.396824][ T5016] Call trace: [ 78.397331][ T5016] dump_backtrace+0x0/0x43c [ 78.397961][ T5016] show_stack+0x2c/0x3c [ 78.398584][ T5016] __dump_stack+0x30/0x40 [ 78.399187][ T5016] dump_stack_lvl+0xf8/0x160 [ 78.399872][ T5016] dump_stack+0x1c/0x5c [ 78.400497][ T5016] should_fail+0x3c0/0x51c [ 78.401097][ T5016] __should_failslab+0xbc/0x10c [ 78.401825][ T5016] should_failslab+0x10/0x28 [ 78.402555][ T5016] slab_pre_alloc_hook+0x64/0xec [ 78.403262][ T5016] __kmalloc_track_caller+0x74/0x370 [ 78.403978][ T5016] kstrdup+0xe4/0x15c [ 78.404487][ T5016] kstrdup_const+0x54/0x6c [ 78.405092][ T5016] kvasprintf_const+0x118/0x2d0 [ 78.405825][ T5016] kobject_set_name_vargs+0xcc/0x1b4 [ 78.406595][ T5016] dev_set_name+0xd8/0x124 [ 78.407227][ T5016] device_add_disk+0x258/0xad0 [ 78.407871][ T5016] loop_add+0x510/0x6e0 [ 78.408469][ T5016] loop_control_ioctl+0x128/0x4d0 [ 78.409182][ T5016] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.409835][ T5016] invoke_syscall+0x98/0x2b8 [ 78.410499][ T5016] el0_svc_common+0x138/0x258 [ 78.411177][ T5016] do_el0_svc+0x58/0x14c [ 78.411840][ T5016] el0_svc+0x78/0x1e0 [ 78.412457][ T5016] el0t_64_sync_handler+0xcc/0xe4 [ 78.413169][ T5016] el0t_64_sync+0x1a0/0x1a4 [ 78.413958][ T148] device hsr_slave_1 left promiscuous mode [ 78.423291][ T5018] FAULT_INJECTION: forcing a failure. [ 78.423291][ T5018] name failslab, interval 1, probability 0, space 0, times 0 [ 78.425255][ T5018] CPU: 1 PID: 5018 Comm: syz.0.19 Tainted: G W syzkaller #0 [ 78.426499][ T5018] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.428065][ T5018] Call trace: [ 78.428530][ T5018] dump_backtrace+0x0/0x43c [ 78.429200][ T5018] show_stack+0x2c/0x3c [ 78.429791][ T5018] __dump_stack+0x30/0x40 [ 78.430457][ T5018] dump_stack_lvl+0xf8/0x160 [ 78.431186][ T5018] dump_stack+0x1c/0x5c [ 78.431775][ T5018] should_fail+0x3c0/0x51c [ 78.432417][ T5018] __should_failslab+0xbc/0x10c [ 78.433120][ T5018] should_failslab+0x10/0x28 [ 78.433786][ T5018] slab_pre_alloc_hook+0x64/0xec [ 78.434497][ T5018] __kmalloc_track_caller+0x74/0x370 [ 78.435189][ T5018] kstrdup+0xe4/0x15c [ 78.435808][ T5018] kstrdup_const+0x54/0x6c [ 78.436505][ T5018] kvasprintf_const+0x118/0x2d0 [ 78.437190][ T5018] kobject_set_name_vargs+0xcc/0x1b4 [ 78.437986][ T5018] dev_set_name+0xd8/0x124 [ 78.438614][ T5018] device_add_disk+0x258/0xad0 [ 78.439328][ T5018] loop_add+0x510/0x6e0 [ 78.439989][ T5018] loop_control_ioctl+0x128/0x4d0 [ 78.440717][ T5018] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.441437][ T5018] invoke_syscall+0x98/0x2b8 [ 78.442144][ T5018] el0_svc_common+0x138/0x258 [ 78.442797][ T5018] do_el0_svc+0x58/0x14c [ 78.443371][ T5018] el0_svc+0x78/0x1e0 [ 78.443970][ T5018] el0t_64_sync_handler+0xcc/0xe4 [ 78.444731][ T5018] el0t_64_sync+0x1a0/0x1a4 [ 78.459022][ T5020] FAULT_INJECTION: forcing a failure. [ 78.459022][ T5020] name failslab, interval 1, probability 0, space 0, times 0 [ 78.460737][ T5020] CPU: 1 PID: 5020 Comm: syz.0.20 Tainted: G W syzkaller #0 [ 78.461971][ T5020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.463428][ T5020] Call trace: [ 78.463939][ T5020] dump_backtrace+0x0/0x43c [ 78.464520][ T5020] show_stack+0x2c/0x3c [ 78.465099][ T5020] __dump_stack+0x30/0x40 [ 78.465688][ T5020] dump_stack_lvl+0xf8/0x160 [ 78.466452][ T5020] dump_stack+0x1c/0x5c [ 78.467135][ T5020] should_fail+0x3c0/0x51c [ 78.467827][ T5020] __should_failslab+0xbc/0x10c [ 78.468491][ T5020] should_failslab+0x10/0x28 [ 78.469163][ T5020] slab_pre_alloc_hook+0x64/0xec [ 78.469856][ T5020] __kmalloc_track_caller+0x74/0x370 [ 78.470584][ T5020] kstrdup+0xe4/0x15c [ 78.471188][ T5020] kstrdup_const+0x54/0x6c [ 78.471824][ T5020] kvasprintf_const+0x118/0x2d0 [ 78.472536][ T5020] kobject_set_name_vargs+0xcc/0x1b4 [ 78.473339][ T5020] dev_set_name+0xd8/0x124 [ 78.473961][ T5020] device_add_disk+0x258/0xad0 [ 78.474629][ T5020] loop_add+0x510/0x6e0 [ 78.475211][ T5020] loop_control_ioctl+0x128/0x4d0 [ 78.475950][ T5020] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.476609][ T5020] invoke_syscall+0x98/0x2b8 [ 78.477270][ T5020] el0_svc_common+0x138/0x258 [ 78.477933][ T5020] do_el0_svc+0x58/0x14c [ 78.478490][ T5020] el0_svc+0x78/0x1e0 [ 78.479085][ T5020] el0t_64_sync_handler+0xcc/0xe4 [ 78.479820][ T5020] el0t_64_sync+0x1a0/0x1a4 [ 78.491173][ T5022] FAULT_INJECTION: forcing a failure. [ 78.491173][ T5022] name failslab, interval 1, probability 0, space 0, times 0 [ 78.493237][ T5022] CPU: 0 PID: 5022 Comm: syz.0.21 Tainted: G W syzkaller #0 [ 78.494607][ T5022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.496179][ T5022] Call trace: [ 78.496671][ T5022] dump_backtrace+0x0/0x43c [ 78.497374][ T5022] show_stack+0x2c/0x3c [ 78.498005][ T5022] __dump_stack+0x30/0x40 [ 78.498713][ T5022] dump_stack_lvl+0xf8/0x160 [ 78.499403][ T5022] dump_stack+0x1c/0x5c [ 78.500038][ T5022] should_fail+0x3c0/0x51c [ 78.500723][ T5022] __should_failslab+0xbc/0x10c [ 78.501437][ T5022] should_failslab+0x10/0x28 [ 78.502131][ T5022] slab_pre_alloc_hook+0x64/0xec [ 78.502887][ T5022] kmem_cache_alloc_trace+0x98/0x3fc [ 78.503658][ T5022] rand_initialize_disk+0x58/0xb8 [ 78.504395][ T5022] __alloc_disk_node+0x2a8/0x458 [ 78.505118][ T5022] __blk_mq_alloc_disk+0xe8/0x154 [ 78.505873][ T5022] loop_add+0x240/0x6e0 [ 78.506506][ T5022] loop_control_ioctl+0x128/0x4d0 [ 78.507281][ T5022] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.507991][ T5022] invoke_syscall+0x98/0x2b8 [ 78.508651][ T5022] el0_svc_common+0x138/0x258 [ 78.509308][ T5022] do_el0_svc+0x58/0x14c [ 78.509985][ T5022] el0_svc+0x78/0x1e0 [ 78.510606][ T5022] el0t_64_sync_handler+0xcc/0xe4 [ 78.511371][ T5022] el0t_64_sync+0x1a0/0x1a4 [ 78.514469][ T148] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 78.515655][ T148] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 78.517324][ T148] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 78.518373][ T148] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 78.519989][ T148] device bridge_slave_1 left promiscuous mode [ 78.520974][ T148] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.532050][ T5024] FAULT_INJECTION: forcing a failure. [ 78.532050][ T5024] name failslab, interval 1, probability 0, space 0, times 0 [ 78.533953][ T5024] CPU: 0 PID: 5024 Comm: syz.0.22 Tainted: G W syzkaller #0 [ 78.535188][ T5024] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.536629][ T5024] Call trace: [ 78.537081][ T5024] dump_backtrace+0x0/0x43c [ 78.537762][ T5024] show_stack+0x2c/0x3c [ 78.538342][ T5024] __dump_stack+0x30/0x40 [ 78.539015][ T5024] dump_stack_lvl+0xf8/0x160 [ 78.539638][ T5024] dump_stack+0x1c/0x5c [ 78.540335][ T5024] should_fail+0x3c0/0x51c [ 78.541086][ T5024] __should_failslab+0xbc/0x10c [ 78.541928][ T5024] should_failslab+0x10/0x28 [ 78.542654][ T5024] slab_pre_alloc_hook+0x64/0xec [ 78.543376][ T5024] kmem_cache_alloc_trace+0x98/0x3fc [ 78.544164][ T5024] rand_initialize_disk+0x58/0xb8 [ 78.544881][ T5024] __alloc_disk_node+0x2a8/0x458 [ 78.545623][ T5024] __blk_mq_alloc_disk+0xe8/0x154 [ 78.546344][ T5024] loop_add+0x240/0x6e0 [ 78.546939][ T5024] loop_control_ioctl+0x128/0x4d0 [ 78.547702][ T5024] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.548377][ T5024] invoke_syscall+0x98/0x2b8 [ 78.549019][ T5024] el0_svc_common+0x138/0x258 [ 78.549629][ T5024] do_el0_svc+0x58/0x14c [ 78.550313][ T5024] el0_svc+0x78/0x1e0 [ 78.550943][ T5024] el0t_64_sync_handler+0xcc/0xe4 [ 78.551722][ T5024] el0t_64_sync+0x1a0/0x1a4 [ 78.569596][ T5026] FAULT_INJECTION: forcing a failure. [ 78.569596][ T5026] name failslab, interval 1, probability 0, space 0, times 0 [ 78.571713][ T5026] CPU: 1 PID: 5026 Comm: syz.0.23 Tainted: G W syzkaller #0 [ 78.573101][ T5026] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.573148][ T148] device bridge_slave_0 left promiscuous mode [ 78.574594][ T5026] Call trace: [ 78.575650][ T148] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.575983][ T5026] dump_backtrace+0x0/0x43c [ 78.576002][ T5026] show_stack+0x2c/0x3c [ 78.576013][ T5026] __dump_stack+0x30/0x40 [ 78.576022][ T5026] dump_stack_lvl+0xf8/0x160 [ 78.576027][ T5026] dump_stack+0x1c/0x5c [ 78.576032][ T5026] should_fail+0x3c0/0x51c [ 78.580948][ T5026] __should_failslab+0xbc/0x10c [ 78.581721][ T5026] should_failslab+0x10/0x28 [ 78.582395][ T5026] slab_pre_alloc_hook+0x64/0xec [ 78.583156][ T5026] __kmalloc_track_caller+0x74/0x370 [ 78.583887][ T5026] kstrdup+0xe4/0x15c [ 78.584474][ T5026] kstrdup_const+0x54/0x6c [ 78.585119][ T5026] kvasprintf_const+0x118/0x2d0 [ 78.585831][ T5026] kobject_set_name_vargs+0xcc/0x1b4 [ 78.586594][ T5026] dev_set_name+0xd8/0x124 [ 78.587231][ T5026] device_add_disk+0x258/0xad0 [ 78.587941][ T5026] loop_add+0x510/0x6e0 [ 78.588582][ T5026] loop_control_ioctl+0x128/0x4d0 [ 78.589330][ T5026] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.590042][ T5026] invoke_syscall+0x98/0x2b8 [ 78.590699][ T5026] el0_svc_common+0x138/0x258 [ 78.591341][ T5026] do_el0_svc+0x58/0x14c [ 78.591925][ T5026] el0_svc+0x78/0x1e0 [ 78.592515][ T5026] el0t_64_sync_handler+0xcc/0xe4 [ 78.593208][ T5026] el0t_64_sync+0x1a0/0x1a4 [ 78.602794][ T5028] FAULT_INJECTION: forcing a failure. [ 78.602794][ T5028] name failslab, interval 1, probability 0, space 0, times 0 [ 78.604626][ T5028] CPU: 1 PID: 5028 Comm: syz.0.24 Tainted: G W syzkaller #0 [ 78.605974][ T5028] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.607435][ T5028] Call trace: [ 78.607937][ T5028] dump_backtrace+0x0/0x43c [ 78.608648][ T5028] show_stack+0x2c/0x3c [ 78.609256][ T5028] __dump_stack+0x30/0x40 [ 78.609917][ T5028] dump_stack_lvl+0xf8/0x160 [ 78.610572][ T5028] dump_stack+0x1c/0x5c [ 78.611177][ T5028] should_fail+0x3c0/0x51c [ 78.611840][ T5028] __should_failslab+0xbc/0x10c [ 78.612565][ T5028] should_failslab+0x10/0x28 [ 78.613323][ T5028] slab_pre_alloc_hook+0x64/0xec [ 78.614048][ T5028] __kmalloc_track_caller+0x74/0x370 [ 78.614848][ T5028] kstrdup+0xe4/0x15c [ 78.615463][ T5028] kstrdup_const+0x54/0x6c [ 78.616120][ T5028] kvasprintf_const+0x118/0x2d0 [ 78.616804][ T5028] kobject_set_name_vargs+0xcc/0x1b4 [ 78.617590][ T5028] dev_set_name+0xd8/0x124 [ 78.618248][ T5028] device_add_disk+0x258/0xad0 [ 78.618909][ T5028] loop_add+0x510/0x6e0 [ 78.619453][ T5028] loop_control_ioctl+0x128/0x4d0 [ 78.620182][ T5028] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.620890][ T5028] invoke_syscall+0x98/0x2b8 [ 78.621596][ T5028] el0_svc_common+0x138/0x258 [ 78.622243][ T5028] do_el0_svc+0x58/0x14c [ 78.622837][ T5028] el0_svc+0x78/0x1e0 [ 78.623382][ T5028] el0t_64_sync_handler+0xcc/0xe4 [ 78.624064][ T5028] el0t_64_sync+0x1a0/0x1a4 [ 78.633914][ T5030] FAULT_INJECTION: forcing a failure. [ 78.633914][ T5030] name failslab, interval 1, probability 0, space 0, times 0 [ 78.636183][ T5030] CPU: 1 PID: 5030 Comm: syz.0.25 Tainted: G W syzkaller #0 [ 78.637549][ T5030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.638952][ T5030] Call trace: [ 78.639467][ T5030] dump_backtrace+0x0/0x43c [ 78.640197][ T5030] show_stack+0x2c/0x3c [ 78.640835][ T5030] __dump_stack+0x30/0x40 [ 78.641517][ T5030] dump_stack_lvl+0xf8/0x160 [ 78.642165][ T5030] dump_stack+0x1c/0x5c [ 78.642773][ T5030] should_fail+0x3c0/0x51c [ 78.643494][ T5030] __should_failslab+0xbc/0x10c [ 78.644198][ T5030] should_failslab+0x10/0x28 [ 78.644850][ T5030] slab_pre_alloc_hook+0x64/0xec [ 78.645596][ T5030] kmem_cache_alloc+0x94/0x3e4 [ 78.646263][ T5030] __debug_object_init+0x65c/0x98c [ 78.646998][ T5030] debug_object_init+0x20/0x2c [ 78.647697][ T5030] __percpu_counter_init+0x10c/0x26c [ 78.648508][ T5030] wb_init+0x520/0x6ec [ 78.649124][ T5030] bdi_init+0x1b4/0x2f4 [ 78.649697][ T5030] bdi_alloc+0x6c/0x144 [ 78.650307][ T5030] __alloc_disk_node+0x8c/0x458 [ 78.651010][ T5030] __blk_mq_alloc_disk+0xe8/0x154 [ 78.651772][ T5030] loop_add+0x240/0x6e0 [ 78.652337][ T5030] loop_control_ioctl+0x128/0x4d0 [ 78.652984][ T5030] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.653675][ T5030] invoke_syscall+0x98/0x2b8 [ 78.654393][ T5030] el0_svc_common+0x138/0x258 [ 78.655111][ T5030] do_el0_svc+0x58/0x14c [ 78.655700][ T5030] el0_svc+0x78/0x1e0 [ 78.656324][ T5030] el0t_64_sync_handler+0xcc/0xe4 [ 78.657079][ T5030] el0t_64_sync+0x1a0/0x1a4 [ 78.668936][ T5032] FAULT_INJECTION: forcing a failure. [ 78.668936][ T5032] name failslab, interval 1, probability 0, space 0, times 0 [ 78.670945][ T5032] CPU: 0 PID: 5032 Comm: syz.0.26 Tainted: G W syzkaller #0 [ 78.672253][ T5032] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.673807][ T5032] Call trace: [ 78.674252][ T5032] dump_backtrace+0x0/0x43c [ 78.674938][ T5032] show_stack+0x2c/0x3c [ 78.675598][ T5032] __dump_stack+0x30/0x40 [ 78.676270][ T5032] dump_stack_lvl+0xf8/0x160 [ 78.676980][ T5032] dump_stack+0x1c/0x5c [ 78.677655][ T5032] should_fail+0x3c0/0x51c [ 78.678288][ T5032] __should_failslab+0xbc/0x10c [ 78.679050][ T5032] should_failslab+0x10/0x28 [ 78.679717][ T5032] slab_pre_alloc_hook+0x64/0xec [ 78.680432][ T5032] kmem_cache_alloc_trace+0x98/0x3fc [ 78.681248][ T5032] rand_initialize_disk+0x58/0xb8 [ 78.681966][ T5032] __alloc_disk_node+0x2a8/0x458 [ 78.682670][ T5032] __blk_mq_alloc_disk+0xe8/0x154 [ 78.683428][ T5032] loop_add+0x240/0x6e0 [ 78.684052][ T5032] loop_control_ioctl+0x128/0x4d0 [ 78.684787][ T5032] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.685564][ T5032] invoke_syscall+0x98/0x2b8 [ 78.686241][ T5032] el0_svc_common+0x138/0x258 [ 78.686914][ T5032] do_el0_svc+0x58/0x14c [ 78.687507][ T5032] el0_svc+0x78/0x1e0 [ 78.688106][ T5032] el0t_64_sync_handler+0xcc/0xe4 [ 78.688873][ T5032] el0t_64_sync+0x1a0/0x1a4 [ 78.696338][ T148] device veth1_macvtap left promiscuous mode [ 78.697323][ T148] device veth0_macvtap left promiscuous mode [ 78.698312][ T148] device veth1_vlan left promiscuous mode [ 78.699233][ T148] device veth0_vlan left promiscuous mode [ 78.709460][ T5034] FAULT_INJECTION: forcing a failure. [ 78.709460][ T5034] name failslab, interval 1, probability 0, space 0, times 0 [ 78.711567][ T5034] CPU: 1 PID: 5034 Comm: syz.0.27 Tainted: G W syzkaller #0 [ 78.712941][ T5034] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.714519][ T5034] Call trace: [ 78.715013][ T5034] dump_backtrace+0x0/0x43c [ 78.715663][ T5034] show_stack+0x2c/0x3c [ 78.716299][ T5034] __dump_stack+0x30/0x40 [ 78.716909][ T5034] dump_stack_lvl+0xf8/0x160 [ 78.717524][ T5034] dump_stack+0x1c/0x5c [ 78.718168][ T5034] should_fail+0x3c0/0x51c [ 78.718855][ T5034] __should_failslab+0xbc/0x10c [ 78.719558][ T5034] should_failslab+0x10/0x28 [ 78.720283][ T5034] slab_pre_alloc_hook+0x64/0xec [ 78.721028][ T5034] kmem_cache_alloc+0x94/0x3e4 [ 78.721764][ T5034] __debug_object_init+0x698/0x98c [ 78.722517][ T5034] debug_object_init+0x20/0x2c [ 78.723199][ T5034] __init_work+0x58/0x68 [ 78.723820][ T5034] blk_alloc_queue+0x17c/0x4a0 [ 78.724478][ T5034] __blk_mq_alloc_disk+0x5c/0x154 [ 78.725184][ T5034] loop_add+0x240/0x6e0 [ 78.725817][ T5034] loop_control_ioctl+0x128/0x4d0 [ 78.726534][ T5034] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.727239][ T5034] invoke_syscall+0x98/0x2b8 [ 78.727908][ T5034] el0_svc_common+0x138/0x258 [ 78.728591][ T5034] do_el0_svc+0x58/0x14c [ 78.729249][ T5034] el0_svc+0x78/0x1e0 [ 78.729827][ T5034] el0t_64_sync_handler+0xcc/0xe4 [ 78.730545][ T5034] el0t_64_sync+0x1a0/0x1a4 [ 78.763120][ T5036] FAULT_INJECTION: forcing a failure. [ 78.763120][ T5036] name failslab, interval 1, probability 0, space 0, times 0 [ 78.765150][ T5036] CPU: 0 PID: 5036 Comm: syz.0.28 Tainted: G W syzkaller #0 [ 78.766357][ T5036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.767946][ T5036] Call trace: [ 78.768450][ T5036] dump_backtrace+0x0/0x43c [ 78.769111][ T5036] show_stack+0x2c/0x3c [ 78.769721][ T5036] __dump_stack+0x30/0x40 [ 78.770351][ T5036] dump_stack_lvl+0xf8/0x160 [ 78.771029][ T5036] dump_stack+0x1c/0x5c [ 78.771668][ T5036] should_fail+0x3c0/0x51c [ 78.772249][ T5036] __should_failslab+0xbc/0x10c [ 78.772974][ T5036] should_failslab+0x10/0x28 [ 78.773630][ T5036] slab_pre_alloc_hook+0x64/0xec [ 78.774311][ T5036] __kmalloc_track_caller+0x74/0x370 [ 78.775051][ T5036] kstrdup+0xe4/0x15c [ 78.775651][ T5036] kstrdup_const+0x54/0x6c [ 78.776275][ T5036] kvasprintf_const+0x118/0x2d0 [ 78.776947][ T5036] kobject_set_name_vargs+0xcc/0x1b4 [ 78.777662][ T5036] dev_set_name+0xd8/0x124 [ 78.778351][ T5036] device_add_disk+0x258/0xad0 [ 78.778987][ T5036] loop_add+0x510/0x6e0 [ 78.779584][ T5036] loop_control_ioctl+0x128/0x4d0 [ 78.780311][ T5036] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.781035][ T5036] invoke_syscall+0x98/0x2b8 [ 78.781684][ T5036] el0_svc_common+0x138/0x258 [ 78.782322][ T5036] do_el0_svc+0x58/0x14c [ 78.782908][ T5036] el0_svc+0x78/0x1e0 [ 78.783449][ T5036] el0t_64_sync_handler+0xcc/0xe4 [ 78.784149][ T5036] el0t_64_sync+0x1a0/0x1a4 [ 78.800685][ T5038] FAULT_INJECTION: forcing a failure. [ 78.800685][ T5038] name failslab, interval 1, probability 0, space 0, times 0 [ 78.802738][ T5038] CPU: 1 PID: 5038 Comm: syz.0.29 Tainted: G W syzkaller #0 [ 78.803997][ T5038] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.805418][ T5038] Call trace: [ 78.805885][ T5038] dump_backtrace+0x0/0x43c [ 78.806544][ T5038] show_stack+0x2c/0x3c [ 78.807200][ T5038] __dump_stack+0x30/0x40 [ 78.807877][ T5038] dump_stack_lvl+0xf8/0x160 [ 78.808490][ T5038] dump_stack+0x1c/0x5c [ 78.809079][ T5038] should_fail+0x3c0/0x51c [ 78.809739][ T5038] __should_failslab+0xbc/0x10c [ 78.810473][ T5038] should_failslab+0x10/0x28 [ 78.811154][ T5038] slab_pre_alloc_hook+0x64/0xec [ 78.811889][ T5038] kmem_cache_alloc_trace+0x98/0x3fc [ 78.812667][ T5038] rand_initialize_disk+0x58/0xb8 [ 78.813484][ T5038] __alloc_disk_node+0x2a8/0x458 [ 78.814245][ T5038] __blk_mq_alloc_disk+0xe8/0x154 [ 78.814995][ T5038] loop_add+0x240/0x6e0 [ 78.815602][ T5038] loop_control_ioctl+0x128/0x4d0 [ 78.816323][ T5038] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.817022][ T5038] invoke_syscall+0x98/0x2b8 [ 78.817706][ T5038] el0_svc_common+0x138/0x258 [ 78.818369][ T5038] do_el0_svc+0x58/0x14c [ 78.818988][ T5038] el0_svc+0x78/0x1e0 [ 78.819524][ T5038] el0t_64_sync_handler+0xcc/0xe4 [ 78.820270][ T5038] el0t_64_sync+0x1a0/0x1a4 [ 78.837123][ T5040] FAULT_INJECTION: forcing a failure. [ 78.837123][ T5040] name failslab, interval 1, probability 0, space 0, times 0 [ 78.839104][ T5040] CPU: 1 PID: 5040 Comm: syz.0.30 Tainted: G W syzkaller #0 [ 78.840395][ T5040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.841966][ T5040] Call trace: [ 78.842474][ T5040] dump_backtrace+0x0/0x43c [ 78.843120][ T5040] show_stack+0x2c/0x3c [ 78.843716][ T5040] __dump_stack+0x30/0x40 [ 78.844367][ T5040] dump_stack_lvl+0xf8/0x160 [ 78.845045][ T5040] dump_stack+0x1c/0x5c [ 78.845719][ T5040] should_fail+0x3c0/0x51c [ 78.846391][ T5040] __should_failslab+0xbc/0x10c [ 78.847114][ T5040] should_failslab+0x10/0x28 [ 78.847808][ T5040] slab_pre_alloc_hook+0x64/0xec [ 78.848488][ T5040] __kmalloc_track_caller+0x74/0x370 [ 78.849305][ T5040] kstrdup+0xe4/0x15c [ 78.849919][ T5040] kstrdup_const+0x54/0x6c [ 78.850559][ T5040] kvasprintf_const+0x118/0x2d0 [ 78.851258][ T5040] kobject_set_name_vargs+0xcc/0x1b4 [ 78.852073][ T5040] dev_set_name+0xd8/0x124 [ 78.852672][ T5040] device_add_disk+0x258/0xad0 [ 78.853357][ T5040] loop_add+0x510/0x6e0 [ 78.853962][ T5040] loop_control_ioctl+0x128/0x4d0 [ 78.854745][ T5040] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.855552][ T5040] invoke_syscall+0x98/0x2b8 [ 78.856225][ T5040] el0_svc_common+0x138/0x258 [ 78.856898][ T5040] do_el0_svc+0x58/0x14c [ 78.857514][ T5040] el0_svc+0x78/0x1e0 [ 78.858117][ T5040] el0t_64_sync_handler+0xcc/0xe4 [ 78.858875][ T5040] el0t_64_sync+0x1a0/0x1a4 [ 78.872043][ T5042] FAULT_INJECTION: forcing a failure. [ 78.872043][ T5042] name failslab, interval 1, probability 0, space 0, times 0 [ 78.873988][ T5042] CPU: 1 PID: 5042 Comm: syz.0.31 Tainted: G W syzkaller #0 [ 78.875175][ T5042] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.876625][ T5042] Call trace: [ 78.877097][ T5042] dump_backtrace+0x0/0x43c [ 78.877769][ T5042] show_stack+0x2c/0x3c [ 78.878378][ T5042] __dump_stack+0x30/0x40 [ 78.879021][ T5042] dump_stack_lvl+0xf8/0x160 [ 78.879714][ T5042] dump_stack+0x1c/0x5c [ 78.880355][ T5042] should_fail+0x3c0/0x51c [ 78.881010][ T5042] __should_failslab+0xbc/0x10c [ 78.881711][ T5042] should_failslab+0x10/0x28 [ 78.882378][ T5042] slab_pre_alloc_hook+0x64/0xec [ 78.883113][ T5042] __kmalloc_track_caller+0x74/0x370 [ 78.883918][ T5042] kstrdup+0xe4/0x15c [ 78.884495][ T5042] kstrdup_const+0x54/0x6c [ 78.885141][ T5042] kvasprintf_const+0x118/0x2d0 [ 78.885852][ T5042] kobject_set_name_vargs+0xcc/0x1b4 [ 78.886652][ T5042] dev_set_name+0xd8/0x124 [ 78.887305][ T5042] device_add_disk+0x258/0xad0 [ 78.888038][ T5042] loop_add+0x510/0x6e0 [ 78.888612][ T5042] loop_control_ioctl+0x128/0x4d0 [ 78.889319][ T5042] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.890046][ T5042] invoke_syscall+0x98/0x2b8 [ 78.890687][ T5042] el0_svc_common+0x138/0x258 [ 78.891302][ T5042] do_el0_svc+0x58/0x14c [ 78.891909][ T5042] el0_svc+0x78/0x1e0 [ 78.892543][ T5042] el0t_64_sync_handler+0xcc/0xe4 [ 78.893257][ T5042] el0t_64_sync+0x1a0/0x1a4 [ 78.904019][ T5044] FAULT_INJECTION: forcing a failure. [ 78.904019][ T5044] name failslab, interval 1, probability 0, space 0, times 0 [ 78.905917][ T5044] CPU: 1 PID: 5044 Comm: syz.0.32 Tainted: G W syzkaller #0 [ 78.907126][ T5044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.908562][ T5044] Call trace: [ 78.909027][ T5044] dump_backtrace+0x0/0x43c [ 78.909690][ T5044] show_stack+0x2c/0x3c [ 78.910298][ T5044] __dump_stack+0x30/0x40 [ 78.910903][ T5044] dump_stack_lvl+0xf8/0x160 [ 78.911533][ T5044] dump_stack+0x1c/0x5c [ 78.912193][ T5044] should_fail+0x3c0/0x51c [ 78.912854][ T5044] __should_failslab+0xbc/0x10c [ 78.913597][ T5044] should_failslab+0x10/0x28 [ 78.914306][ T5044] slab_pre_alloc_hook+0x64/0xec [ 78.915038][ T5044] __kmalloc_track_caller+0x74/0x370 [ 78.915822][ T5044] kstrdup+0xe4/0x15c [ 78.916462][ T5044] kstrdup_const+0x54/0x6c [ 78.917215][ T5044] kvasprintf_const+0x118/0x2d0 [ 78.917974][ T5044] kobject_set_name_vargs+0xcc/0x1b4 [ 78.918766][ T5044] dev_set_name+0xd8/0x124 [ 78.919414][ T5044] device_add_disk+0x258/0xad0 [ 78.920139][ T5044] loop_add+0x510/0x6e0 [ 78.920735][ T5044] loop_control_ioctl+0x128/0x4d0 [ 78.921443][ T5044] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.922172][ T5044] invoke_syscall+0x98/0x2b8 [ 78.922850][ T5044] el0_svc_common+0x138/0x258 [ 78.923564][ T5044] do_el0_svc+0x58/0x14c [ 78.924183][ T5044] el0_svc+0x78/0x1e0 [ 78.924717][ T5044] el0t_64_sync_handler+0xcc/0xe4 [ 78.925423][ T5044] el0t_64_sync+0x1a0/0x1a4 [ 78.933600][ T5046] FAULT_INJECTION: forcing a failure. [ 78.933600][ T5046] name failslab, interval 1, probability 0, space 0, times 0 [ 78.935601][ T5046] CPU: 1 PID: 5046 Comm: syz.0.33 Tainted: G W syzkaller #0 [ 78.936984][ T5046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.938491][ T5046] Call trace: [ 78.939018][ T5046] dump_backtrace+0x0/0x43c [ 78.939700][ T5046] show_stack+0x2c/0x3c [ 78.940317][ T5046] __dump_stack+0x30/0x40 [ 78.940932][ T5046] dump_stack_lvl+0xf8/0x160 [ 78.941600][ T5046] dump_stack+0x1c/0x5c [ 78.942189][ T5046] should_fail+0x3c0/0x51c [ 78.942872][ T5046] __should_failslab+0xbc/0x10c [ 78.943579][ T5046] should_failslab+0x10/0x28 [ 78.944217][ T5046] slab_pre_alloc_hook+0x64/0xec [ 78.944997][ T5046] __kmalloc_track_caller+0x74/0x370 [ 78.945784][ T5046] kstrdup+0xe4/0x15c [ 78.946392][ T5046] kstrdup_const+0x54/0x6c [ 78.947031][ T5046] kvasprintf_const+0x118/0x2d0 [ 78.947821][ T5046] kobject_set_name_vargs+0xcc/0x1b4 [ 78.948626][ T5046] dev_set_name+0xd8/0x124 [ 78.949304][ T5046] device_add_disk+0x258/0xad0 [ 78.949973][ T5046] loop_add+0x510/0x6e0 [ 78.950566][ T5046] loop_control_ioctl+0x128/0x4d0 [ 78.951303][ T5046] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.952077][ T5046] invoke_syscall+0x98/0x2b8 [ 78.952826][ T5046] el0_svc_common+0x138/0x258 [ 78.953573][ T5046] do_el0_svc+0x58/0x14c [ 78.954165][ T5046] el0_svc+0x78/0x1e0 [ 78.954755][ T5046] el0t_64_sync_handler+0xcc/0xe4 [ 78.955510][ T5046] el0t_64_sync+0x1a0/0x1a4 [ 78.959496][ T148] team0 (unregistering): Port device team_slave_1 removed [ 78.964919][ T5048] FAULT_INJECTION: forcing a failure. [ 78.964919][ T5048] name failslab, interval 1, probability 0, space 0, times 0 [ 78.968334][ T5048] CPU: 1 PID: 5048 Comm: syz.0.34 Tainted: G W syzkaller #0 [ 78.969672][ T5048] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.971266][ T5048] Call trace: [ 78.971765][ T5048] dump_backtrace+0x0/0x43c [ 78.972512][ T5048] show_stack+0x2c/0x3c [ 78.973112][ T5048] __dump_stack+0x30/0x40 [ 78.973746][ T5048] dump_stack_lvl+0xf8/0x160 [ 78.974463][ T5048] dump_stack+0x1c/0x5c [ 78.975112][ T5048] should_fail+0x3c0/0x51c [ 78.975761][ T5048] __should_failslab+0xbc/0x10c [ 78.976473][ T5048] should_failslab+0x10/0x28 [ 78.977142][ T5048] slab_pre_alloc_hook+0x64/0xec [ 78.977876][ T5048] __kmalloc_track_caller+0x74/0x370 [ 78.978659][ T5048] kstrdup+0xe4/0x15c [ 78.979231][ T5048] kstrdup_const+0x54/0x6c [ 78.979911][ T5048] kvasprintf_const+0x118/0x2d0 [ 78.980581][ T5048] kobject_set_name_vargs+0xcc/0x1b4 [ 78.981351][ T5048] dev_set_name+0xd8/0x124 [ 78.982029][ T5048] device_add_disk+0x258/0xad0 [ 78.982754][ T5048] loop_add+0x510/0x6e0 [ 78.983366][ T5048] loop_control_ioctl+0x128/0x4d0 [ 78.984179][ T5048] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.984921][ T5048] invoke_syscall+0x98/0x2b8 [ 78.985622][ T5048] el0_svc_common+0x138/0x258 [ 78.986283][ T5048] do_el0_svc+0x58/0x14c [ 78.986918][ T5048] el0_svc+0x78/0x1e0 [ 78.987506][ T5048] el0t_64_sync_handler+0xcc/0xe4 [ 78.988293][ T5048] el0t_64_sync+0x1a0/0x1a4 [ 78.991179][ T148] team0 (unregistering): Port device team_slave_0 removed [ 78.997110][ T148] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 79.000262][ T5050] FAULT_INJECTION: forcing a failure. [ 79.000262][ T5050] name failslab, interval 1, probability 0, space 0, times 0 [ 79.002226][ T5050] CPU: 1 PID: 5050 Comm: syz.0.35 Tainted: G W syzkaller #0 [ 79.003530][ T5050] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.004995][ T5050] Call trace: [ 79.005488][ T5050] dump_backtrace+0x0/0x43c [ 79.006222][ T5050] show_stack+0x2c/0x3c [ 79.006782][ T5050] __dump_stack+0x30/0x40 [ 79.007428][ T5050] dump_stack_lvl+0xf8/0x160 [ 79.008096][ T5050] dump_stack+0x1c/0x5c [ 79.008667][ T5050] should_fail+0x3c0/0x51c [ 79.009328][ T5050] __should_failslab+0xbc/0x10c [ 79.010059][ T5050] should_failslab+0x10/0x28 [ 79.010691][ T5050] slab_pre_alloc_hook+0x64/0xec [ 79.011378][ T5050] __kmalloc_track_caller+0x74/0x370 [ 79.012098][ T5050] kstrdup+0xe4/0x15c [ 79.012664][ T5050] kstrdup_const+0x54/0x6c [ 79.013331][ T5050] kvasprintf_const+0x118/0x2d0 [ 79.014033][ T5050] kobject_set_name_vargs+0xcc/0x1b4 [ 79.014783][ T5050] dev_set_name+0xd8/0x124 [ 79.015439][ T5050] device_add_disk+0x258/0xad0 [ 79.016103][ T5050] loop_add+0x510/0x6e0 [ 79.016656][ T5050] loop_control_ioctl+0x128/0x4d0 [ 79.017339][ T5050] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.018083][ T5050] invoke_syscall+0x98/0x2b8 [ 79.018727][ T5050] el0_svc_common+0x138/0x258 [ 79.019406][ T5050] do_el0_svc+0x58/0x14c [ 79.020034][ T5050] el0_svc+0x78/0x1e0 [ 79.020655][ T5050] el0t_64_sync_handler+0xcc/0xe4 [ 79.021418][ T5050] el0t_64_sync+0x1a0/0x1a4 [ 79.029767][ T5052] FAULT_INJECTION: forcing a failure. [ 79.029767][ T5052] name failslab, interval 1, probability 0, space 0, times 0 [ 79.031760][ T5052] CPU: 1 PID: 5052 Comm: syz.0.36 Tainted: G W syzkaller #0 [ 79.033021][ T5052] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.034477][ T5052] Call trace: [ 79.034944][ T5052] dump_backtrace+0x0/0x43c [ 79.035546][ T5052] show_stack+0x2c/0x3c [ 79.036136][ T5052] __dump_stack+0x30/0x40 [ 79.036770][ T5052] dump_stack_lvl+0xf8/0x160 [ 79.037436][ T5052] dump_stack+0x1c/0x5c [ 79.038022][ T5052] should_fail+0x3c0/0x51c [ 79.038677][ T5052] __should_failslab+0xbc/0x10c [ 79.039362][ T5052] should_failslab+0x10/0x28 [ 79.040056][ T5052] slab_pre_alloc_hook+0x64/0xec [ 79.040789][ T5052] __kmalloc_track_caller+0x74/0x370 [ 79.041556][ T5052] kstrdup+0xe4/0x15c [ 79.042201][ T5052] kstrdup_const+0x54/0x6c [ 79.042839][ T5052] kvasprintf_const+0x118/0x2d0 [ 79.043513][ T5052] kobject_set_name_vargs+0xcc/0x1b4 [ 79.044255][ T5052] dev_set_name+0xd8/0x124 [ 79.044846][ T5052] device_add_disk+0x258/0xad0 [ 79.045540][ T5052] loop_add+0x510/0x6e0 [ 79.046170][ T5052] loop_control_ioctl+0x128/0x4d0 [ 79.046865][ T5052] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.047565][ T5052] invoke_syscall+0x98/0x2b8 [ 79.048222][ T5052] el0_svc_common+0x138/0x258 [ 79.048947][ T5052] do_el0_svc+0x58/0x14c [ 79.049552][ T5052] el0_svc+0x78/0x1e0 [ 79.050140][ T5052] el0t_64_sync_handler+0xcc/0xe4 [ 79.050856][ T5052] el0t_64_sync+0x1a0/0x1a4 [ 79.061143][ T148] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 79.061421][ T5054] FAULT_INJECTION: forcing a failure. [ 79.061421][ T5054] name failslab, interval 1, probability 0, space 0, times 0 [ 79.064346][ T5054] CPU: 1 PID: 5054 Comm: syz.0.37 Tainted: G W syzkaller #0 [ 79.065528][ T5054] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.066960][ T5054] Call trace: [ 79.067456][ T5054] dump_backtrace+0x0/0x43c [ 79.068178][ T5054] show_stack+0x2c/0x3c [ 79.068765][ T5054] __dump_stack+0x30/0x40 [ 79.069378][ T5054] dump_stack_lvl+0xf8/0x160 [ 79.070043][ T5054] dump_stack+0x1c/0x5c [ 79.070650][ T5054] should_fail+0x3c0/0x51c [ 79.071312][ T5054] __should_failslab+0xbc/0x10c [ 79.072068][ T5054] should_failslab+0x10/0x28 [ 79.072720][ T5054] slab_pre_alloc_hook+0x64/0xec [ 79.073475][ T5054] __kmalloc_track_caller+0x74/0x370 [ 79.074307][ T5054] kstrdup+0xe4/0x15c [ 79.074910][ T5054] kstrdup_const+0x54/0x6c [ 79.075520][ T5054] kvasprintf_const+0x118/0x2d0 [ 79.076234][ T5054] kobject_set_name_vargs+0xcc/0x1b4 [ 79.076986][ T5054] dev_set_name+0xd8/0x124 [ 79.077610][ T5054] device_add_disk+0x258/0xad0 [ 79.078295][ T5054] loop_add+0x510/0x6e0 [ 79.078885][ T5054] loop_control_ioctl+0x128/0x4d0 [ 79.079554][ T5054] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.080246][ T5054] invoke_syscall+0x98/0x2b8 [ 79.080924][ T5054] el0_svc_common+0x138/0x258 [ 79.081571][ T5054] do_el0_svc+0x58/0x14c [ 79.082177][ T5054] el0_svc+0x78/0x1e0 [ 79.082744][ T5054] el0t_64_sync_handler+0xcc/0xe4 [ 79.083489][ T5054] el0t_64_sync+0x1a0/0x1a4 [ 79.093284][ T5056] FAULT_INJECTION: forcing a failure. [ 79.093284][ T5056] name failslab, interval 1, probability 0, space 0, times 0 [ 79.095317][ T5056] CPU: 0 PID: 5056 Comm: syz.0.38 Tainted: G W syzkaller #0 [ 79.096681][ T5056] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.098252][ T5056] Call trace: [ 79.098758][ T5056] dump_backtrace+0x0/0x43c [ 79.099424][ T5056] show_stack+0x2c/0x3c [ 79.100084][ T5056] __dump_stack+0x30/0x40 [ 79.100742][ T5056] dump_stack_lvl+0xf8/0x160 [ 79.101465][ T5056] dump_stack+0x1c/0x5c [ 79.102135][ T5056] should_fail+0x3c0/0x51c [ 79.102843][ T5056] __should_failslab+0xbc/0x10c [ 79.103555][ T5056] should_failslab+0x10/0x28 [ 79.104271][ T5056] slab_pre_alloc_hook+0x64/0xec [ 79.104973][ T5056] __kmalloc_track_caller+0x74/0x370 [ 79.105748][ T5056] kstrdup+0xe4/0x15c [ 79.106261][ T5056] kstrdup_const+0x54/0x6c [ 79.106873][ T5056] kvasprintf_const+0x118/0x2d0 [ 79.107571][ T5056] kobject_set_name_vargs+0xcc/0x1b4 [ 79.108290][ T5056] dev_set_name+0xd8/0x124 [ 79.109018][ T5056] device_add_disk+0x258/0xad0 [ 79.109851][ T5056] loop_add+0x510/0x6e0 [ 79.110519][ T5056] loop_control_ioctl+0x128/0x4d0 [ 79.111327][ T5056] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.112136][ T5056] invoke_syscall+0x98/0x2b8 [ 79.112852][ T5056] el0_svc_common+0x138/0x258 [ 79.113586][ T5056] do_el0_svc+0x58/0x14c [ 79.114227][ T5056] el0_svc+0x78/0x1e0 [ 79.114855][ T5056] el0t_64_sync_handler+0xcc/0xe4 [ 79.115594][ T5056] el0t_64_sync+0x1a0/0x1a4 [ 79.131966][ T5058] FAULT_INJECTION: forcing a failure. [ 79.131966][ T5058] name failslab, interval 1, probability 0, space 0, times 0 [ 79.134048][ T5058] CPU: 1 PID: 5058 Comm: syz.0.39 Tainted: G W syzkaller #0 [ 79.135387][ T5058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.136926][ T5058] Call trace: [ 79.137402][ T5058] dump_backtrace+0x0/0x43c [ 79.138039][ T5058] show_stack+0x2c/0x3c [ 79.138740][ T5058] __dump_stack+0x30/0x40 [ 79.139434][ T5058] dump_stack_lvl+0xf8/0x160 [ 79.140172][ T5058] dump_stack+0x1c/0x5c [ 79.140834][ T5058] should_fail+0x3c0/0x51c [ 79.141495][ T5058] __should_failslab+0xbc/0x10c [ 79.142297][ T5058] should_failslab+0x10/0x28 [ 79.142951][ T5058] slab_pre_alloc_hook+0x64/0xec [ 79.143686][ T5058] __kmalloc_node+0xb8/0x520 [ 79.144390][ T5058] memcg_alloc_page_obj_cgroups+0x80/0x174 [ 79.145196][ T5058] new_slab+0x114/0x55c [ 79.145793][ T5058] ___slab_alloc+0x6c0/0xda8 [ 79.146480][ T5058] __slab_alloc+0x68/0xc0 [ 79.147141][ T5058] kmem_cache_alloc+0x2ac/0x3e4 [ 79.147938][ T5058] bdev_alloc_inode+0x24/0x60 [ 79.148620][ T5058] new_inode_pseudo+0x68/0x1fc [ 79.149331][ T5058] new_inode+0x38/0x174 [ 79.149922][ T5058] bdev_alloc+0x30/0x1f8 [ 79.150472][ T5058] __alloc_disk_node+0xbc/0x458 [ 79.151136][ T5058] __blk_mq_alloc_disk+0xe8/0x154 [ 79.151862][ T5058] loop_add+0x240/0x6e0 [ 79.152481][ T5058] loop_control_ioctl+0x128/0x4d0 [ 79.153191][ T5058] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.153907][ T5058] invoke_syscall+0x98/0x2b8 [ 79.154562][ T5058] el0_svc_common+0x138/0x258 [ 79.155230][ T5058] do_el0_svc+0x58/0x14c [ 79.155854][ T5058] el0_svc+0x78/0x1e0 [ 79.156411][ T5058] el0t_64_sync_handler+0xcc/0xe4 [ 79.157140][ T5058] el0t_64_sync+0x1a0/0x1a4 [ 79.174009][ T5060] FAULT_INJECTION: forcing a failure. [ 79.174009][ T5060] name failslab, interval 1, probability 0, space 0, times 0 [ 79.176076][ T5060] CPU: 1 PID: 5060 Comm: syz.0.40 Tainted: G W syzkaller #0 [ 79.177473][ T5060] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.179085][ T5060] Call trace: [ 79.179549][ T5060] dump_backtrace+0x0/0x43c [ 79.180249][ T5060] show_stack+0x2c/0x3c [ 79.180886][ T5060] __dump_stack+0x30/0x40 [ 79.181543][ T5060] dump_stack_lvl+0xf8/0x160 [ 79.182226][ T5060] dump_stack+0x1c/0x5c [ 79.182746][ T148] bond0 (unregistering): Released all slaves [ 79.182823][ T5060] should_fail+0x3c0/0x51c [ 79.184447][ T5060] __should_failslab+0xbc/0x10c [ 79.185185][ T5060] should_failslab+0x10/0x28 [ 79.185846][ T5060] slab_pre_alloc_hook+0x64/0xec [ 79.186595][ T5060] __kmalloc_track_caller+0x74/0x370 [ 79.187353][ T5060] kstrdup+0xe4/0x15c [ 79.187964][ T5060] kstrdup_const+0x54/0x6c [ 79.188571][ T5060] kvasprintf_const+0x118/0x2d0 [ 79.189239][ T5060] kobject_set_name_vargs+0xcc/0x1b4 [ 79.190028][ T5060] dev_set_name+0xd8/0x124 [ 79.190750][ T5060] device_add_disk+0x258/0xad0 [ 79.191474][ T5060] loop_add+0x510/0x6e0 [ 79.192069][ T5060] loop_control_ioctl+0x128/0x4d0 [ 79.192861][ T5060] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.193590][ T5060] invoke_syscall+0x98/0x2b8 [ 79.194285][ T5060] el0_svc_common+0x138/0x258 [ 79.194969][ T5060] do_el0_svc+0x58/0x14c [ 79.195617][ T5060] el0_svc+0x78/0x1e0 [ 79.196229][ T5060] el0t_64_sync_handler+0xcc/0xe4 [ 79.196943][ T5060] el0t_64_sync+0x1a0/0x1a4 [ 79.208378][ T5062] FAULT_INJECTION: forcing a failure. [ 79.208378][ T5062] name failslab, interval 1, probability 0, space 0, times 0 [ 79.210325][ T5062] CPU: 1 PID: 5062 Comm: syz.0.41 Tainted: G W syzkaller #0 [ 79.211672][ T5062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.213157][ T5062] Call trace: [ 79.213581][ T5062] dump_backtrace+0x0/0x43c [ 79.214193][ T5062] show_stack+0x2c/0x3c [ 79.214821][ T5062] __dump_stack+0x30/0x40 [ 79.215452][ T5062] dump_stack_lvl+0xf8/0x160 [ 79.216175][ T5062] dump_stack+0x1c/0x5c [ 79.216821][ T5062] should_fail+0x3c0/0x51c [ 79.217538][ T5062] __should_failslab+0xbc/0x10c [ 79.218219][ T5062] should_failslab+0x10/0x28 [ 79.218843][ T5062] slab_pre_alloc_hook+0x64/0xec [ 79.219528][ T5062] kmem_cache_alloc+0x94/0x3e4 [ 79.220247][ T5062] security_inode_alloc+0x38/0x11c [ 79.221019][ T5062] inode_init_always+0x670/0xa84 [ 79.221718][ T5062] new_inode_pseudo+0x7c/0x1fc [ 79.222428][ T5062] new_inode+0x38/0x174 [ 79.223016][ T5062] bdev_alloc+0x30/0x1f8 [ 79.223631][ T5062] __alloc_disk_node+0xbc/0x458 [ 79.224389][ T5062] __blk_mq_alloc_disk+0xe8/0x154 [ 79.225140][ T5062] loop_add+0x240/0x6e0 [ 79.225766][ T5062] loop_control_ioctl+0x128/0x4d0 [ 79.226457][ T5062] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.227217][ T5062] invoke_syscall+0x98/0x2b8 [ 79.227896][ T5062] el0_svc_common+0x138/0x258 [ 79.228618][ T5062] do_el0_svc+0x58/0x14c [ 79.229217][ T5062] el0_svc+0x78/0x1e0 [ 79.229813][ T5062] el0t_64_sync_handler+0xcc/0xe4 [ 79.230502][ T5062] el0t_64_sync+0x1a0/0x1a4 [ 79.240508][ T5064] FAULT_INJECTION: forcing a failure. [ 79.240508][ T5064] name failslab, interval 1, probability 0, space 0, times 0 [ 79.242461][ T5064] CPU: 1 PID: 5064 Comm: syz.0.42 Tainted: G W syzkaller #0 [ 79.243800][ T5064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.245413][ T5064] Call trace: [ 79.245884][ T5064] dump_backtrace+0x0/0x43c [ 79.246568][ T5064] show_stack+0x2c/0x3c [ 79.247190][ T5064] __dump_stack+0x30/0x40 [ 79.247885][ T5064] dump_stack_lvl+0xf8/0x160 [ 79.248611][ T5064] dump_stack+0x1c/0x5c [ 79.249238][ T5064] should_fail+0x3c0/0x51c [ 79.249931][ T5064] __should_failslab+0xbc/0x10c [ 79.250689][ T5064] should_failslab+0x10/0x28 [ 79.251379][ T5064] slab_pre_alloc_hook+0x64/0xec [ 79.252144][ T5064] __kmalloc_track_caller+0x74/0x370 [ 79.252912][ T5064] kstrdup+0xe4/0x15c [ 79.253492][ T5064] kstrdup_const+0x54/0x6c [ 79.254144][ T5064] kvasprintf_const+0x118/0x2d0 [ 79.254809][ T5064] kobject_set_name_vargs+0xcc/0x1b4 [ 79.255560][ T5064] dev_set_name+0xd8/0x124 [ 79.256206][ T5064] device_add_disk+0x258/0xad0 [ 79.256860][ T5064] loop_add+0x510/0x6e0 [ 79.257482][ T5064] loop_control_ioctl+0x128/0x4d0 [ 79.258221][ T5064] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.258932][ T5064] invoke_syscall+0x98/0x2b8 [ 79.259563][ T5064] el0_svc_common+0x138/0x258 [ 79.260211][ T5064] do_el0_svc+0x58/0x14c [ 79.260811][ T5064] el0_svc+0x78/0x1e0 [ 79.261344][ T5064] el0t_64_sync_handler+0xcc/0xe4 [ 79.262027][ T5064] el0t_64_sync+0x1a0/0x1a4 [ 79.271706][ T5066] FAULT_INJECTION: forcing a failure. [ 79.271706][ T5066] name failslab, interval 1, probability 0, space 0, times 0 [ 79.273640][ T5066] CPU: 1 PID: 5066 Comm: syz.0.43 Tainted: G W syzkaller #0 [ 79.275004][ T5066] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.276531][ T5066] Call trace: [ 79.277013][ T5066] dump_backtrace+0x0/0x43c [ 79.277685][ T5066] show_stack+0x2c/0x3c [ 79.278328][ T5066] __dump_stack+0x30/0x40 [ 79.278972][ T5066] dump_stack_lvl+0xf8/0x160 [ 79.279691][ T5066] dump_stack+0x1c/0x5c [ 79.280316][ T5066] should_fail+0x3c0/0x51c [ 79.281004][ T5066] __should_failslab+0xbc/0x10c [ 79.281706][ T5066] should_failslab+0x10/0x28 [ 79.282347][ T5066] slab_pre_alloc_hook+0x64/0xec [ 79.283064][ T5066] __kmalloc_track_caller+0x74/0x370 [ 79.283896][ T5066] kstrdup+0xe4/0x15c [ 79.284523][ T5066] kstrdup_const+0x54/0x6c [ 79.285149][ T5066] kvasprintf_const+0x118/0x2d0 [ 79.285839][ T5066] kobject_set_name_vargs+0xcc/0x1b4 [ 79.286639][ T5066] dev_set_name+0xd8/0x124 [ 79.287284][ T5066] device_add_disk+0x258/0xad0 [ 79.287955][ T5066] loop_add+0x510/0x6e0 [ 79.288539][ T5066] loop_control_ioctl+0x128/0x4d0 [ 79.289280][ T5066] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.289948][ T5066] invoke_syscall+0x98/0x2b8 [ 79.290667][ T5066] el0_svc_common+0x138/0x258 [ 79.291300][ T5066] do_el0_svc+0x58/0x14c [ 79.291939][ T5066] el0_svc+0x78/0x1e0 [ 79.292571][ T5066] el0t_64_sync_handler+0xcc/0xe4 [ 79.293301][ T5066] el0t_64_sync+0x1a0/0x1a4 [ 79.304301][ T5068] FAULT_INJECTION: forcing a failure. [ 79.304301][ T5068] name failslab, interval 1, probability 0, space 0, times 0 [ 79.306822][ T5068] CPU: 1 PID: 5068 Comm: syz.0.44 Tainted: G W syzkaller #0 [ 79.308023][ T5068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.309528][ T5068] Call trace: [ 79.310040][ T5068] dump_backtrace+0x0/0x43c [ 79.310717][ T5068] show_stack+0x2c/0x3c [ 79.311297][ T5068] __dump_stack+0x30/0x40 [ 79.311929][ T5068] dump_stack_lvl+0xf8/0x160 [ 79.312599][ T5068] dump_stack+0x1c/0x5c [ 79.313225][ T5068] should_fail+0x3c0/0x51c [ 79.313892][ T5068] __should_failslab+0xbc/0x10c [ 79.314686][ T5068] should_failslab+0x10/0x28 [ 79.315378][ T5068] slab_pre_alloc_hook+0x64/0xec [ 79.316148][ T5068] __kmalloc_track_caller+0x74/0x370 [ 79.316947][ T5068] kstrdup+0xe4/0x15c [ 79.317605][ T5068] kstrdup_const+0x54/0x6c [ 79.318274][ T5068] kvasprintf_const+0x118/0x2d0 [ 79.318988][ T5068] kobject_set_name_vargs+0xcc/0x1b4 [ 79.319772][ T5068] dev_set_name+0xd8/0x124 [ 79.320451][ T5068] device_add_disk+0x258/0xad0 [ 79.321134][ T5068] loop_add+0x510/0x6e0 [ 79.321754][ T5068] loop_control_ioctl+0x128/0x4d0 [ 79.322537][ T5068] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.323304][ T5068] invoke_syscall+0x98/0x2b8 [ 79.323974][ T5068] el0_svc_common+0x138/0x258 [ 79.324687][ T5068] do_el0_svc+0x58/0x14c [ 79.325328][ T5068] el0_svc+0x78/0x1e0 [ 79.325927][ T5068] el0t_64_sync_handler+0xcc/0xe4 [ 79.326717][ T5068] el0t_64_sync+0x1a0/0x1a4 [ 79.345088][ T5070] FAULT_INJECTION: forcing a failure. [ 79.345088][ T5070] name failslab, interval 1, probability 0, space 0, times 0 [ 79.347044][ T5070] CPU: 1 PID: 5070 Comm: syz.0.45 Tainted: G W syzkaller #0 [ 79.348334][ T5070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.349730][ T5070] Call trace: [ 79.350213][ T5070] dump_backtrace+0x0/0x43c [ 79.350862][ T5070] show_stack+0x2c/0x3c [ 79.351476][ T5070] __dump_stack+0x30/0x40 [ 79.352038][ T5070] dump_stack_lvl+0xf8/0x160 [ 79.352757][ T5070] dump_stack+0x1c/0x5c [ 79.353323][ T5070] should_fail+0x3c0/0x51c [ 79.353956][ T5070] __should_failslab+0xbc/0x10c [ 79.354684][ T5070] should_failslab+0x10/0x28 [ 79.355315][ T5070] slab_pre_alloc_hook+0x64/0xec [ 79.355993][ T5070] kmem_cache_alloc_trace+0x98/0x3fc [ 79.356783][ T5070] rand_initialize_disk+0x58/0xb8 [ 79.357469][ T5070] __alloc_disk_node+0x2a8/0x458 [ 79.358167][ T5070] __blk_mq_alloc_disk+0xe8/0x154 [ 79.358960][ T5070] loop_add+0x240/0x6e0 [ 79.359583][ T5070] loop_control_ioctl+0x128/0x4d0 [ 79.360330][ T5070] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.361032][ T5070] invoke_syscall+0x98/0x2b8 [ 79.361670][ T5070] el0_svc_common+0x138/0x258 [ 79.362324][ T5070] do_el0_svc+0x58/0x14c [ 79.362984][ T5070] el0_svc+0x78/0x1e0 [ 79.363549][ T5070] el0t_64_sync_handler+0xcc/0xe4 [ 79.364276][ T5070] el0t_64_sync+0x1a0/0x1a4 [ 79.380578][ T5072] FAULT_INJECTION: forcing a failure. [ 79.380578][ T5072] name failslab, interval 1, probability 0, space 0, times 0 [ 79.382490][ T5072] CPU: 0 PID: 5072 Comm: syz.0.46 Tainted: G W syzkaller #0 [ 79.383779][ T5072] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.385276][ T5072] Call trace: [ 79.385765][ T5072] dump_backtrace+0x0/0x43c [ 79.386403][ T5072] show_stack+0x2c/0x3c [ 79.387056][ T5072] __dump_stack+0x30/0x40 [ 79.387746][ T5072] dump_stack_lvl+0xf8/0x160 [ 79.388465][ T5072] dump_stack+0x1c/0x5c [ 79.389070][ T5072] should_fail+0x3c0/0x51c [ 79.389756][ T5072] __should_failslab+0xbc/0x10c [ 79.390469][ T5072] should_failslab+0x10/0x28 [ 79.391075][ T5072] slab_pre_alloc_hook+0x64/0xec [ 79.391792][ T5072] __kmalloc_track_caller+0x74/0x370 [ 79.392539][ T5072] kstrdup+0xe4/0x15c [ 79.393064][ T5072] kstrdup_const+0x54/0x6c [ 79.393685][ T5072] kvasprintf_const+0x118/0x2d0 [ 79.394393][ T5072] kobject_set_name_vargs+0xcc/0x1b4 [ 79.395176][ T5072] dev_set_name+0xd8/0x124 [ 79.395825][ T5072] device_add_disk+0x258/0xad0 [ 79.396521][ T5072] loop_add+0x510/0x6e0 [ 79.397133][ T5072] loop_control_ioctl+0x128/0x4d0 [ 79.397820][ T5072] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.398528][ T5072] invoke_syscall+0x98/0x2b8 [ 79.399236][ T5072] el0_svc_common+0x138/0x258 [ 79.399924][ T5072] do_el0_svc+0x58/0x14c [ 79.400578][ T5072] el0_svc+0x78/0x1e0 [ 79.401165][ T5072] el0t_64_sync_handler+0xcc/0xe4 [ 79.401945][ T5072] el0t_64_sync+0x1a0/0x1a4 [ 79.412538][ T5074] FAULT_INJECTION: forcing a failure. [ 79.412538][ T5074] name failslab, interval 1, probability 0, space 0, times 0 [ 79.414501][ T5074] CPU: 0 PID: 5074 Comm: syz.0.47 Tainted: G W syzkaller #0 [ 79.415907][ T5074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.417565][ T5074] Call trace: [ 79.418102][ T5074] dump_backtrace+0x0/0x43c [ 79.418868][ T5074] show_stack+0x2c/0x3c [ 79.419523][ T5074] __dump_stack+0x30/0x40 [ 79.420195][ T5074] dump_stack_lvl+0xf8/0x160 [ 79.420905][ T5074] dump_stack+0x1c/0x5c [ 79.421535][ T5074] should_fail+0x3c0/0x51c [ 79.422239][ T5074] __should_failslab+0xbc/0x10c [ 79.422954][ T5074] should_failslab+0x10/0x28 [ 79.423610][ T5074] slab_pre_alloc_hook+0x64/0xec [ 79.424387][ T5074] __kmalloc_track_caller+0x74/0x370 [ 79.425183][ T5074] kstrdup+0xe4/0x15c [ 79.425714][ T5074] kstrdup_const+0x54/0x6c [ 79.426388][ T5074] kvasprintf_const+0x118/0x2d0 [ 79.427073][ T5074] kobject_set_name_vargs+0xcc/0x1b4 [ 79.427863][ T5074] dev_set_name+0xd8/0x124 [ 79.428461][ T5074] device_add_disk+0x258/0xad0 [ 79.429124][ T5074] loop_add+0x510/0x6e0 [ 79.429796][ T5074] loop_control_ioctl+0x128/0x4d0 [ 79.430506][ T5074] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.431174][ T5074] invoke_syscall+0x98/0x2b8 [ 79.431809][ T5074] el0_svc_common+0x138/0x258 [ 79.432465][ T5074] do_el0_svc+0x58/0x14c [ 79.433106][ T5074] el0_svc+0x78/0x1e0 [ 79.433720][ T5074] el0t_64_sync_handler+0xcc/0xe4 [ 79.434420][ T5074] el0t_64_sync+0x1a0/0x1a4 [ 79.445332][ T5076] FAULT_INJECTION: forcing a failure. [ 79.445332][ T5076] name failslab, interval 1, probability 0, space 0, times 0 [ 79.447835][ T5076] CPU: 1 PID: 5076 Comm: syz.0.48 Tainted: G W syzkaller #0 [ 79.449076][ T5076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.450562][ T5076] Call trace: [ 79.451033][ T5076] dump_backtrace+0x0/0x43c [ 79.451682][ T5076] show_stack+0x2c/0x3c [ 79.452236][ T5076] __dump_stack+0x30/0x40 [ 79.452821][ T5076] dump_stack_lvl+0xf8/0x160 [ 79.453524][ T5076] dump_stack+0x1c/0x5c [ 79.454216][ T5076] should_fail+0x3c0/0x51c [ 79.454909][ T5076] __should_failslab+0xbc/0x10c [ 79.455610][ T5076] should_failslab+0x10/0x28 [ 79.456268][ T5076] slab_pre_alloc_hook+0x64/0xec [ 79.456981][ T5076] kmem_cache_alloc_trace+0x98/0x3fc [ 79.457767][ T5076] rand_initialize_disk+0x58/0xb8 [ 79.458500][ T5076] __alloc_disk_node+0x2a8/0x458 [ 79.459215][ T5076] __blk_mq_alloc_disk+0xe8/0x154 [ 79.459990][ T5076] loop_add+0x240/0x6e0 [ 79.460608][ T5076] loop_control_ioctl+0x128/0x4d0 [ 79.461298][ T5076] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.461966][ T5076] invoke_syscall+0x98/0x2b8 [ 79.462631][ T5076] el0_svc_common+0x138/0x258 [ 79.463366][ T5076] do_el0_svc+0x58/0x14c [ 79.464033][ T5076] el0_svc+0x78/0x1e0 [ 79.464599][ T5076] el0t_64_sync_handler+0xcc/0xe4 [ 79.465298][ T5076] el0t_64_sync+0x1a0/0x1a4 [ 79.483173][ T5078] FAULT_INJECTION: forcing a failure. [ 79.483173][ T5078] name failslab, interval 1, probability 0, space 0, times 0 [ 79.485225][ T5078] CPU: 0 PID: 5078 Comm: syz.0.49 Tainted: G W syzkaller #0 [ 79.486478][ T5078] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.488168][ T5078] Call trace: [ 79.488684][ T5078] dump_backtrace+0x0/0x43c [ 79.489421][ T5078] show_stack+0x2c/0x3c [ 79.490033][ T5078] __dump_stack+0x30/0x40 [ 79.490707][ T5078] dump_stack_lvl+0xf8/0x160 [ 79.491427][ T5078] dump_stack+0x1c/0x5c [ 79.492090][ T5078] should_fail+0x3c0/0x51c [ 79.492826][ T5078] __should_failslab+0xbc/0x10c [ 79.493575][ T5078] should_failslab+0x10/0x28 [ 79.494334][ T5078] slab_pre_alloc_hook+0x64/0xec [ 79.495131][ T5078] __kmalloc_track_caller+0x74/0x370 [ 79.495927][ T5078] kstrdup+0xe4/0x15c [ 79.496554][ T5078] kstrdup_const+0x54/0x6c [ 79.497246][ T5078] kvasprintf_const+0x118/0x2d0 [ 79.497945][ T5078] kobject_set_name_vargs+0xcc/0x1b4 [ 79.498764][ T5078] dev_set_name+0xd8/0x124 [ 79.499460][ T5078] device_add_disk+0x258/0xad0 [ 79.500208][ T5078] loop_add+0x510/0x6e0 [ 79.500914][ T5078] loop_control_ioctl+0x128/0x4d0 [ 79.501695][ T5078] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.502458][ T5078] invoke_syscall+0x98/0x2b8 [ 79.503197][ T5078] el0_svc_common+0x138/0x258 [ 79.503969][ T5078] do_el0_svc+0x58/0x14c [ 79.504676][ T5078] el0_svc+0x78/0x1e0 [ 79.505358][ T5078] el0t_64_sync_handler+0xcc/0xe4 [ 79.506168][ T5078] el0t_64_sync+0x1a0/0x1a4 [ 79.517666][ T5080] FAULT_INJECTION: forcing a failure. [ 79.517666][ T5080] name failslab, interval 1, probability 0, space 0, times 0 [ 79.519590][ T5080] CPU: 0 PID: 5080 Comm: syz.0.50 Tainted: G W syzkaller #0 [ 79.520850][ T5080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.522373][ T5080] Call trace: [ 79.522803][ T5080] dump_backtrace+0x0/0x43c [ 79.523459][ T5080] show_stack+0x2c/0x3c [ 79.524056][ T5080] __dump_stack+0x30/0x40 [ 79.524720][ T5080] dump_stack_lvl+0xf8/0x160 [ 79.525423][ T5080] dump_stack+0x1c/0x5c [ 79.526076][ T5080] should_fail+0x3c0/0x51c [ 79.526715][ T5080] __should_failslab+0xbc/0x10c [ 79.527460][ T5080] should_failslab+0x10/0x28 [ 79.528184][ T5080] slab_pre_alloc_hook+0x64/0xec [ 79.528971][ T5080] __kmalloc_track_caller+0x74/0x370 [ 79.529801][ T5080] kstrdup+0xe4/0x15c [ 79.530360][ T5080] kstrdup_const+0x54/0x6c [ 79.531010][ T5080] kvasprintf_const+0x118/0x2d0 [ 79.531724][ T5080] kobject_set_name_vargs+0xcc/0x1b4 [ 79.532497][ T5080] dev_set_name+0xd8/0x124 [ 79.533132][ T5080] device_add_disk+0x258/0xad0 [ 79.533825][ T5080] loop_add+0x510/0x6e0 [ 79.534458][ T5080] loop_control_ioctl+0x128/0x4d0 [ 79.535244][ T5080] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.536005][ T5080] invoke_syscall+0x98/0x2b8 [ 79.536674][ T5080] el0_svc_common+0x138/0x258 [ 79.537345][ T5080] do_el0_svc+0x58/0x14c [ 79.537985][ T5080] el0_svc+0x78/0x1e0 [ 79.538556][ T5080] el0t_64_sync_handler+0xcc/0xe4 [ 79.539359][ T5080] el0t_64_sync+0x1a0/0x1a4 [ 79.551910][ T5082] FAULT_INJECTION: forcing a failure. [ 79.551910][ T5082] name failslab, interval 1, probability 0, space 0, times 0 [ 79.553866][ T5082] CPU: 1 PID: 5082 Comm: syz.0.51 Tainted: G W syzkaller #0 [ 79.555237][ T5082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.556766][ T5082] Call trace: [ 79.557215][ T5082] dump_backtrace+0x0/0x43c [ 79.557918][ T5082] show_stack+0x2c/0x3c [ 79.558510][ T5082] __dump_stack+0x30/0x40 [ 79.559173][ T5082] dump_stack_lvl+0xf8/0x160 [ 79.559894][ T5082] dump_stack+0x1c/0x5c [ 79.560504][ T5082] should_fail+0x3c0/0x51c [ 79.561176][ T5082] __should_failslab+0xbc/0x10c [ 79.561924][ T5082] should_failslab+0x10/0x28 [ 79.562627][ T5082] slab_pre_alloc_hook+0x64/0xec [ 79.563348][ T5082] __kmalloc_track_caller+0x74/0x370 [ 79.564101][ T5082] kstrdup+0xe4/0x15c [ 79.564682][ T5082] kstrdup_const+0x54/0x6c [ 79.565301][ T5082] kvasprintf_const+0x118/0x2d0 [ 79.566111][ T5082] kobject_set_name_vargs+0xcc/0x1b4 [ 79.566887][ T5082] dev_set_name+0xd8/0x124 [ 79.567567][ T5082] device_add_disk+0x258/0xad0 [ 79.568274][ T5082] loop_add+0x510/0x6e0 [ 79.568895][ T5082] loop_control_ioctl+0x128/0x4d0 [ 79.569651][ T5082] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.570465][ T5082] invoke_syscall+0x98/0x2b8 [ 79.571227][ T5082] el0_svc_common+0x138/0x258 [ 79.571999][ T5082] do_el0_svc+0x58/0x14c [ 79.572720][ T5082] el0_svc+0x78/0x1e0 [ 79.573349][ T5082] el0t_64_sync_handler+0xcc/0xe4 [ 79.574153][ T5082] el0t_64_sync+0x1a0/0x1a4 [ 79.585251][ T5084] FAULT_INJECTION: forcing a failure. [ 79.585251][ T5084] name failslab, interval 1, probability 0, space 0, times 0 [ 79.587240][ T5084] CPU: 1 PID: 5084 Comm: syz.0.52 Tainted: G W syzkaller #0 [ 79.588513][ T5084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.589954][ T5084] Call trace: [ 79.590375][ T5084] dump_backtrace+0x0/0x43c [ 79.591018][ T5084] show_stack+0x2c/0x3c [ 79.591624][ T5084] __dump_stack+0x30/0x40 [ 79.592224][ T5084] dump_stack_lvl+0xf8/0x160 [ 79.592932][ T5084] dump_stack+0x1c/0x5c [ 79.593541][ T5084] should_fail+0x3c0/0x51c [ 79.594207][ T5084] __should_failslab+0xbc/0x10c [ 79.594915][ T5084] should_failslab+0x10/0x28 [ 79.595617][ T5084] slab_pre_alloc_hook+0x64/0xec [ 79.596295][ T5084] kmem_cache_alloc+0x94/0x3e4 [ 79.596952][ T5084] security_inode_alloc+0x38/0x11c [ 79.597695][ T5084] inode_init_always+0x670/0xa84 [ 79.598444][ T5084] new_inode_pseudo+0x7c/0x1fc [ 79.599117][ T5084] new_inode+0x38/0x174 [ 79.599689][ T5084] bdev_alloc+0x30/0x1f8 [ 79.600240][ T5084] __alloc_disk_node+0xbc/0x458 [ 79.600964][ T5084] __blk_mq_alloc_disk+0xe8/0x154 [ 79.601775][ T5084] loop_add+0x240/0x6e0 [ 79.602454][ T5084] loop_control_ioctl+0x128/0x4d0 [ 79.603203][ T5084] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.603913][ T5084] invoke_syscall+0x98/0x2b8 [ 79.604597][ T5084] el0_svc_common+0x138/0x258 [ 79.605217][ T5084] do_el0_svc+0x58/0x14c [ 79.605828][ T5084] el0_svc+0x78/0x1e0 [ 79.606408][ T5084] el0t_64_sync_handler+0xcc/0xe4 [ 79.607094][ T5084] el0t_64_sync+0x1a0/0x1a4 [ 79.618746][ T5086] FAULT_INJECTION: forcing a failure. [ 79.618746][ T5086] name failslab, interval 1, probability 0, space 0, times 0 [ 79.620673][ T5086] CPU: 0 PID: 5086 Comm: syz.0.53 Tainted: G W syzkaller #0 [ 79.621871][ T5086] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.623273][ T5086] Call trace: [ 79.623704][ T5086] dump_backtrace+0x0/0x43c [ 79.624361][ T5086] show_stack+0x2c/0x3c [ 79.625005][ T5086] __dump_stack+0x30/0x40 [ 79.625626][ T5086] dump_stack_lvl+0xf8/0x160 [ 79.626290][ T5086] dump_stack+0x1c/0x5c [ 79.626892][ T5086] should_fail+0x3c0/0x51c [ 79.627580][ T5086] __should_failslab+0xbc/0x10c [ 79.628330][ T5086] should_failslab+0x10/0x28 [ 79.629036][ T5086] slab_pre_alloc_hook+0x64/0xec [ 79.629779][ T5086] kmem_cache_alloc_trace+0x98/0x3fc [ 79.630518][ T5086] rand_initialize_disk+0x58/0xb8 [ 79.631273][ T5086] __alloc_disk_node+0x2a8/0x458 [ 79.631982][ T5086] __blk_mq_alloc_disk+0xe8/0x154 [ 79.632725][ T5086] loop_add+0x240/0x6e0 [ 79.633329][ T5086] loop_control_ioctl+0x128/0x4d0 [ 79.634127][ T5086] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.634810][ T5086] invoke_syscall+0x98/0x2b8 [ 79.635501][ T5086] el0_svc_common+0x138/0x258 [ 79.636185][ T5086] do_el0_svc+0x58/0x14c [ 79.636796][ T5086] el0_svc+0x78/0x1e0 [ 79.637413][ T5086] el0t_64_sync_handler+0xcc/0xe4 [ 79.638116][ T5086] el0t_64_sync+0x1a0/0x1a4 [ 79.651154][ T5088] FAULT_INJECTION: forcing a failure. [ 79.651154][ T5088] name failslab, interval 1, probability 0, space 0, times 0 [ 79.653026][ T5088] CPU: 1 PID: 5088 Comm: syz.0.54 Tainted: G W syzkaller #0 [ 79.654377][ T5088] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.655859][ T5088] Call trace: [ 79.656324][ T5088] dump_backtrace+0x0/0x43c [ 79.657036][ T5088] show_stack+0x2c/0x3c [ 79.657643][ T5088] __dump_stack+0x30/0x40 [ 79.658236][ T5088] dump_stack_lvl+0xf8/0x160 [ 79.658928][ T5088] dump_stack+0x1c/0x5c [ 79.659510][ T5088] should_fail+0x3c0/0x51c [ 79.660188][ T5088] __should_failslab+0xbc/0x10c [ 79.660898][ T5088] should_failslab+0x10/0x28 [ 79.661554][ T5088] slab_pre_alloc_hook+0x64/0xec [ 79.662243][ T5088] __kmalloc_track_caller+0x74/0x370 [ 79.662999][ T5088] kstrdup+0xe4/0x15c [ 79.663566][ T5088] kstrdup_const+0x54/0x6c [ 79.664185][ T5088] kvasprintf_const+0x118/0x2d0 [ 79.664926][ T5088] kobject_set_name_vargs+0xcc/0x1b4 [ 79.665664][ T5088] dev_set_name+0xd8/0x124 [ 79.666327][ T5088] device_add_disk+0x258/0xad0 [ 79.666987][ T5088] loop_add+0x510/0x6e0 [ 79.667615][ T5088] loop_control_ioctl+0x128/0x4d0 [ 79.668384][ T5088] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.669090][ T5088] invoke_syscall+0x98/0x2b8 [ 79.669748][ T5088] el0_svc_common+0x138/0x258 [ 79.670382][ T5088] do_el0_svc+0x58/0x14c [ 79.670988][ T5088] el0_svc+0x78/0x1e0 [ 79.671585][ T5088] el0t_64_sync_handler+0xcc/0xe4 [ 79.672293][ T5088] el0t_64_sync+0x1a0/0x1a4 [ 79.685258][ T5090] FAULT_INJECTION: forcing a failure. [ 79.685258][ T5090] name failslab, interval 1, probability 0, space 0, times 0 [ 79.687339][ T5090] CPU: 1 PID: 5090 Comm: syz.0.55 Tainted: G W syzkaller #0 [ 79.688586][ T5090] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.690080][ T5090] Call trace: [ 79.690572][ T5090] dump_backtrace+0x0/0x43c [ 79.691281][ T5090] show_stack+0x2c/0x3c [ 79.691896][ T5090] __dump_stack+0x30/0x40 [ 79.692560][ T5090] dump_stack_lvl+0xf8/0x160 [ 79.693261][ T5090] dump_stack+0x1c/0x5c [ 79.693895][ T5090] should_fail+0x3c0/0x51c [ 79.694528][ T5090] __should_failslab+0xbc/0x10c [ 79.695252][ T5090] should_failslab+0x10/0x28 [ 79.695905][ T5090] slab_pre_alloc_hook+0x64/0xec [ 79.696630][ T5090] __kmalloc_track_caller+0x74/0x370 [ 79.697409][ T5090] kstrdup+0xe4/0x15c [ 79.697965][ T5090] kstrdup_const+0x54/0x6c [ 79.698616][ T5090] kvasprintf_const+0x118/0x2d0 [ 79.699325][ T5090] kobject_set_name_vargs+0xcc/0x1b4 [ 79.700086][ T5090] dev_set_name+0xd8/0x124 [ 79.700728][ T5090] device_add_disk+0x258/0xad0 [ 79.701439][ T5090] loop_add+0x510/0x6e0 [ 79.702017][ T5090] loop_control_ioctl+0x128/0x4d0 [ 79.702732][ T5090] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.703422][ T5090] invoke_syscall+0x98/0x2b8 [ 79.704082][ T5090] el0_svc_common+0x138/0x258 [ 79.704705][ T5090] do_el0_svc+0x58/0x14c [ 79.705320][ T5090] el0_svc+0x78/0x1e0 [ 79.705890][ T5090] el0t_64_sync_handler+0xcc/0xe4 [ 79.706589][ T5090] el0t_64_sync+0x1a0/0x1a4 [ 79.717215][ T5092] FAULT_INJECTION: forcing a failure. [ 79.717215][ T5092] name failslab, interval 1, probability 0, space 0, times 0 [ 79.719061][ T5092] CPU: 1 PID: 5092 Comm: syz.0.56 Tainted: G W syzkaller #0 [ 79.720313][ T5092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.721683][ T5092] Call trace: [ 79.722150][ T5092] dump_backtrace+0x0/0x43c [ 79.722761][ T5092] show_stack+0x2c/0x3c [ 79.723317][ T5092] __dump_stack+0x30/0x40 [ 79.723960][ T5092] dump_stack_lvl+0xf8/0x160 [ 79.724662][ T5092] dump_stack+0x1c/0x5c [ 79.725273][ T5092] should_fail+0x3c0/0x51c [ 79.725991][ T5092] __should_failslab+0xbc/0x10c [ 79.726691][ T5092] should_failslab+0x10/0x28 [ 79.727361][ T5092] slab_pre_alloc_hook+0x64/0xec [ 79.728119][ T5092] kmem_cache_alloc+0x94/0x3e4 [ 79.728829][ T5092] security_inode_alloc+0x38/0x11c [ 79.729616][ T5092] inode_init_always+0x670/0xa84 [ 79.730412][ T5092] new_inode_pseudo+0x7c/0x1fc [ 79.731118][ T5092] new_inode+0x38/0x174 [ 79.731715][ T5092] bdev_alloc+0x30/0x1f8 [ 79.732299][ T5092] __alloc_disk_node+0xbc/0x458 [ 79.733009][ T5092] __blk_mq_alloc_disk+0xe8/0x154 [ 79.733779][ T5092] loop_add+0x240/0x6e0 [ 79.734338][ T5092] loop_control_ioctl+0x128/0x4d0 [ 79.735093][ T5092] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.735817][ T5092] invoke_syscall+0x98/0x2b8 [ 79.736458][ T5092] el0_svc_common+0x138/0x258 [ 79.737110][ T5092] do_el0_svc+0x58/0x14c [ 79.737747][ T5092] el0_svc+0x78/0x1e0 [ 79.738320][ T5092] el0t_64_sync_handler+0xcc/0xe4 [ 79.739063][ T5092] el0t_64_sync+0x1a0/0x1a4 [ 79.749488][ T5094] FAULT_INJECTION: forcing a failure. [ 79.749488][ T5094] name failslab, interval 1, probability 0, space 0, times 0 [ 79.751506][ T5094] CPU: 0 PID: 5094 Comm: syz.0.57 Tainted: G W syzkaller #0 [ 79.752932][ T5094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.754373][ T5094] Call trace: [ 79.754897][ T5094] dump_backtrace+0x0/0x43c [ 79.755619][ T5094] show_stack+0x2c/0x3c [ 79.756252][ T5094] __dump_stack+0x30/0x40 [ 79.756939][ T5094] dump_stack_lvl+0xf8/0x160 [ 79.757733][ T5094] dump_stack+0x1c/0x5c [ 79.758371][ T5094] should_fail+0x3c0/0x51c [ 79.759059][ T5094] __should_failslab+0xbc/0x10c [ 79.759796][ T5094] should_failslab+0x10/0x28 [ 79.760437][ T5094] slab_pre_alloc_hook+0x64/0xec [ 79.761235][ T5094] __kmalloc_track_caller+0x74/0x370 [ 79.762007][ T5094] kstrdup+0xe4/0x15c [ 79.762590][ T5094] kstrdup_const+0x54/0x6c [ 79.763236][ T5094] kvasprintf_const+0x118/0x2d0 [ 79.763981][ T5094] kobject_set_name_vargs+0xcc/0x1b4 [ 79.764769][ T5094] dev_set_name+0xd8/0x124 [ 79.765428][ T5094] device_add_disk+0x258/0xad0 [ 79.766182][ T5094] loop_add+0x510/0x6e0 [ 79.766745][ T5094] loop_control_ioctl+0x128/0x4d0 [ 79.767456][ T5094] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.768170][ T5094] invoke_syscall+0x98/0x2b8 [ 79.768921][ T5094] el0_svc_common+0x138/0x258 [ 79.769661][ T5094] do_el0_svc+0x58/0x14c [ 79.770317][ T5094] el0_svc+0x78/0x1e0 [ 79.770890][ T5094] el0t_64_sync_handler+0xcc/0xe4 [ 79.771623][ T5094] el0t_64_sync+0x1a0/0x1a4 [ 79.785103][ T5096] FAULT_INJECTION: forcing a failure. [ 79.785103][ T5096] name failslab, interval 1, probability 0, space 0, times 0 [ 79.787640][ T5096] CPU: 1 PID: 5096 Comm: syz.0.58 Tainted: G W syzkaller #0 [ 79.789006][ T5096] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.790529][ T5096] Call trace: [ 79.791047][ T5096] dump_backtrace+0x0/0x43c [ 79.791767][ T5096] show_stack+0x2c/0x3c [ 79.792430][ T5096] __dump_stack+0x30/0x40 [ 79.793120][ T5096] dump_stack_lvl+0xf8/0x160 [ 79.793811][ T5096] dump_stack+0x1c/0x5c [ 79.794453][ T5096] should_fail+0x3c0/0x51c [ 79.795158][ T5096] __should_failslab+0xbc/0x10c [ 79.795910][ T5096] should_failslab+0x10/0x28 [ 79.796579][ T5096] slab_pre_alloc_hook+0x64/0xec [ 79.797344][ T5096] __kmalloc_track_caller+0x74/0x370 [ 79.798146][ T5096] kstrdup+0xe4/0x15c [ 79.798746][ T5096] kstrdup_const+0x54/0x6c [ 79.799385][ T5096] kvasprintf_const+0x118/0x2d0 [ 79.800094][ T5096] kobject_set_name_vargs+0xcc/0x1b4 [ 79.800883][ T5096] dev_set_name+0xd8/0x124 [ 79.801488][ T5096] device_add_disk+0x258/0xad0 [ 79.802167][ T5096] loop_add+0x510/0x6e0 [ 79.802774][ T5096] loop_control_ioctl+0x128/0x4d0 [ 79.803453][ T5096] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.804160][ T5096] invoke_syscall+0x98/0x2b8 [ 79.804811][ T5096] el0_svc_common+0x138/0x258 [ 79.805447][ T5096] do_el0_svc+0x58/0x14c [ 79.806068][ T5096] el0_svc+0x78/0x1e0 [ 79.806639][ T5096] el0t_64_sync_handler+0xcc/0xe4 [ 79.807355][ T5096] el0t_64_sync+0x1a0/0x1a4 [ 79.816013][ T5098] FAULT_INJECTION: forcing a failure. [ 79.816013][ T5098] name failslab, interval 1, probability 0, space 0, times 0 [ 79.818015][ T5098] CPU: 1 PID: 5098 Comm: syz.0.59 Tainted: G W syzkaller #0 [ 79.819373][ T5098] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.820876][ T5098] Call trace: [ 79.821350][ T5098] dump_backtrace+0x0/0x43c [ 79.822082][ T5098] show_stack+0x2c/0x3c [ 79.822702][ T5098] __dump_stack+0x30/0x40 [ 79.823304][ T5098] dump_stack_lvl+0xf8/0x160 [ 79.823986][ T5098] dump_stack+0x1c/0x5c [ 79.824551][ T5098] should_fail+0x3c0/0x51c [ 79.825150][ T5098] __should_failslab+0xbc/0x10c [ 79.825890][ T5098] should_failslab+0x10/0x28 [ 79.826576][ T5098] slab_pre_alloc_hook+0x64/0xec [ 79.827323][ T5098] __kmalloc_track_caller+0x74/0x370 [ 79.828093][ T5098] kstrdup+0xe4/0x15c [ 79.828693][ T5098] kstrdup_const+0x54/0x6c [ 79.829332][ T5098] kvasprintf_const+0x118/0x2d0 [ 79.830033][ T5098] kobject_set_name_vargs+0xcc/0x1b4 [ 79.830827][ T5098] dev_set_name+0xd8/0x124 [ 79.831480][ T5098] device_add_disk+0x258/0xad0 [ 79.832173][ T5098] loop_add+0x510/0x6e0 [ 79.832791][ T5098] loop_control_ioctl+0x128/0x4d0 [ 79.833477][ T5098] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.834176][ T5098] invoke_syscall+0x98/0x2b8 [ 79.834811][ T5098] el0_svc_common+0x138/0x258 [ 79.835485][ T5098] do_el0_svc+0x58/0x14c [ 79.836073][ T5098] el0_svc+0x78/0x1e0 [ 79.836649][ T5098] el0t_64_sync_handler+0xcc/0xe4 [ 79.837393][ T5098] el0t_64_sync+0x1a0/0x1a4 [ 79.848810][ T5100] FAULT_INJECTION: forcing a failure. [ 79.848810][ T5100] name failslab, interval 1, probability 0, space 0, times 0 [ 79.850853][ T5100] CPU: 0 PID: 5100 Comm: syz.0.60 Tainted: G W syzkaller #0 [ 79.852080][ T5100] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.853447][ T5100] Call trace: [ 79.853924][ T5100] dump_backtrace+0x0/0x43c [ 79.854621][ T5100] show_stack+0x2c/0x3c [ 79.855265][ T5100] __dump_stack+0x30/0x40 [ 79.855903][ T5100] dump_stack_lvl+0xf8/0x160 [ 79.856577][ T5100] dump_stack+0x1c/0x5c [ 79.857155][ T5100] should_fail+0x3c0/0x51c [ 79.857792][ T5100] __should_failslab+0xbc/0x10c [ 79.858422][ T5100] should_failslab+0x10/0x28 [ 79.859070][ T5100] slab_pre_alloc_hook+0x64/0xec [ 79.859769][ T5100] __kmalloc_track_caller+0x74/0x370 [ 79.860503][ T5100] kstrdup+0xe4/0x15c [ 79.861083][ T5100] kstrdup_const+0x54/0x6c [ 79.861754][ T5100] kvasprintf_const+0x118/0x2d0 [ 79.862465][ T5100] kobject_set_name_vargs+0xcc/0x1b4 [ 79.863216][ T5100] dev_set_name+0xd8/0x124 [ 79.863930][ T5100] device_add_disk+0x258/0xad0 [ 79.864667][ T5100] loop_add+0x510/0x6e0 [ 79.865289][ T5100] loop_control_ioctl+0x128/0x4d0 [ 79.866052][ T5100] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.866780][ T5100] invoke_syscall+0x98/0x2b8 [ 79.867469][ T5100] el0_svc_common+0x138/0x258 [ 79.868146][ T5100] do_el0_svc+0x58/0x14c [ 79.868718][ T5100] el0_svc+0x78/0x1e0 [ 79.869292][ T5100] el0t_64_sync_handler+0xcc/0xe4 [ 79.869946][ T5100] el0t_64_sync+0x1a0/0x1a4 [ 79.884047][ T5102] FAULT_INJECTION: forcing a failure. [ 79.884047][ T5102] name failslab, interval 1, probability 0, space 0, times 0 [ 79.887235][ T5102] CPU: 1 PID: 5102 Comm: syz.0.61 Tainted: G W syzkaller #0 [ 79.888503][ T5102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.890015][ T5102] Call trace: [ 79.890478][ T5102] dump_backtrace+0x0/0x43c [ 79.891235][ T5102] show_stack+0x2c/0x3c [ 79.891856][ T5102] __dump_stack+0x30/0x40 [ 79.892534][ T5102] dump_stack_lvl+0xf8/0x160 [ 79.893231][ T5102] dump_stack+0x1c/0x5c [ 79.893882][ T5102] should_fail+0x3c0/0x51c [ 79.894538][ T5102] __should_failslab+0xbc/0x10c [ 79.895306][ T5102] should_failslab+0x10/0x28 [ 79.895965][ T5102] slab_pre_alloc_hook+0x64/0xec [ 79.896681][ T5102] __kmalloc_track_caller+0x74/0x370 [ 79.897419][ T5102] kstrdup+0xe4/0x15c [ 79.897981][ T5102] kstrdup_const+0x54/0x6c [ 79.898632][ T5102] kvasprintf_const+0x118/0x2d0 [ 79.899339][ T5102] kobject_set_name_vargs+0xcc/0x1b4 [ 79.900075][ T5102] dev_set_name+0xd8/0x124 [ 79.900673][ T5102] device_add_disk+0x258/0xad0 [ 79.901352][ T5102] loop_add+0x510/0x6e0 [ 79.901969][ T5102] loop_control_ioctl+0x128/0x4d0 [ 79.902712][ T5102] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.903420][ T5102] invoke_syscall+0x98/0x2b8 [ 79.904087][ T5102] el0_svc_common+0x138/0x258 [ 79.904749][ T5102] do_el0_svc+0x58/0x14c [ 79.905479][ T5102] el0_svc+0x78/0x1e0 [ 79.906091][ T5102] el0t_64_sync_handler+0xcc/0xe4 [ 79.906944][ T5102] el0t_64_sync+0x1a0/0x1a4 [ 79.915947][ T5104] FAULT_INJECTION: forcing a failure. [ 79.915947][ T5104] name failslab, interval 1, probability 0, space 0, times 0 [ 79.917829][ T5104] CPU: 1 PID: 5104 Comm: syz.0.62 Tainted: G W syzkaller #0 [ 79.919138][ T5104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.920616][ T5104] Call trace: [ 79.921071][ T5104] dump_backtrace+0x0/0x43c [ 79.921727][ T5104] show_stack+0x2c/0x3c [ 79.922354][ T5104] __dump_stack+0x30/0x40 [ 79.922958][ T5104] dump_stack_lvl+0xf8/0x160 [ 79.923594][ T5104] dump_stack+0x1c/0x5c [ 79.924166][ T5104] should_fail+0x3c0/0x51c [ 79.924780][ T5104] __should_failslab+0xbc/0x10c [ 79.925532][ T5104] should_failslab+0x10/0x28 [ 79.926241][ T5104] slab_pre_alloc_hook+0x64/0xec [ 79.926981][ T5104] __kmalloc_track_caller+0x74/0x370 [ 79.927695][ T5104] kstrdup+0xe4/0x15c [ 79.928294][ T5104] kstrdup_const+0x54/0x6c [ 79.928998][ T5104] kvasprintf_const+0x118/0x2d0 [ 79.929658][ T5104] kobject_set_name_vargs+0xcc/0x1b4 [ 79.930492][ T5104] dev_set_name+0xd8/0x124 [ 79.931139][ T5104] device_add_disk+0x258/0xad0 [ 79.931830][ T5104] loop_add+0x510/0x6e0 [ 79.932452][ T5104] loop_control_ioctl+0x128/0x4d0 [ 79.933151][ T5104] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.933895][ T5104] invoke_syscall+0x98/0x2b8 [ 79.934565][ T5104] el0_svc_common+0x138/0x258 [ 79.935215][ T5104] do_el0_svc+0x58/0x14c [ 79.935905][ T5104] el0_svc+0x78/0x1e0 [ 79.936486][ T5104] el0t_64_sync_handler+0xcc/0xe4 [ 79.937246][ T5104] el0t_64_sync+0x1a0/0x1a4 [ 79.949064][ T5106] FAULT_INJECTION: forcing a failure. [ 79.949064][ T5106] name failslab, interval 1, probability 0, space 0, times 0 [ 79.950884][ T5106] CPU: 1 PID: 5106 Comm: syz.0.63 Tainted: G W syzkaller #0 [ 79.952126][ T5106] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.953606][ T5106] Call trace: [ 79.953986][ T5106] dump_backtrace+0x0/0x43c [ 79.954582][ T5106] show_stack+0x2c/0x3c [ 79.955189][ T5106] __dump_stack+0x30/0x40 [ 79.955769][ T5106] dump_stack_lvl+0xf8/0x160 [ 79.956383][ T5106] dump_stack+0x1c/0x5c [ 79.957084][ T5106] should_fail+0x3c0/0x51c [ 79.957741][ T5106] __should_failslab+0xbc/0x10c [ 79.958393][ T5106] should_failslab+0x10/0x28 [ 79.959033][ T5106] slab_pre_alloc_hook+0x64/0xec [ 79.959792][ T5106] __kmalloc_track_caller+0x74/0x370 [ 79.960523][ T5106] kstrdup+0xe4/0x15c [ 79.961079][ T5106] kstrdup_const+0x54/0x6c [ 79.961723][ T5106] kvasprintf_const+0x118/0x2d0 [ 79.962439][ T5106] kobject_set_name_vargs+0xcc/0x1b4 [ 79.963263][ T5106] dev_set_name+0xd8/0x124 [ 79.963885][ T5106] device_add_disk+0x258/0xad0 [ 79.964602][ T5106] loop_add+0x510/0x6e0 [ 79.965184][ T5106] loop_control_ioctl+0x128/0x4d0 [ 79.965877][ T5106] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.966561][ T5106] invoke_syscall+0x98/0x2b8 [ 79.967195][ T5106] el0_svc_common+0x138/0x258 [ 79.967921][ T5106] do_el0_svc+0x58/0x14c [ 79.968517][ T5106] el0_svc+0x78/0x1e0 [ 79.969099][ T5106] el0t_64_sync_handler+0xcc/0xe4 [ 79.969896][ T5106] el0t_64_sync+0x1a0/0x1a4 [ 79.979838][ T5108] FAULT_INJECTION: forcing a failure. [ 79.979838][ T5108] name failslab, interval 1, probability 0, space 0, times 0 [ 79.981827][ T5108] CPU: 1 PID: 5108 Comm: syz.0.64 Tainted: G W syzkaller #0 [ 79.983086][ T5108] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.984515][ T5108] Call trace: [ 79.985003][ T5108] dump_backtrace+0x0/0x43c [ 79.985634][ T5108] show_stack+0x2c/0x3c [ 79.986286][ T5108] __dump_stack+0x30/0x40 [ 79.986926][ T5108] dump_stack_lvl+0xf8/0x160 [ 79.987668][ T5108] dump_stack+0x1c/0x5c [ 79.988266][ T5108] should_fail+0x3c0/0x51c [ 79.988964][ T5108] __should_failslab+0xbc/0x10c [ 79.989631][ T5108] should_failslab+0x10/0x28 [ 79.990312][ T5108] slab_pre_alloc_hook+0x64/0xec [ 79.991082][ T5108] kmem_cache_alloc_trace+0x98/0x3fc [ 79.991836][ T5108] rand_initialize_disk+0x58/0xb8 [ 79.992610][ T5108] __alloc_disk_node+0x2a8/0x458 [ 79.993390][ T5108] __blk_mq_alloc_disk+0xe8/0x154 [ 79.994133][ T5108] loop_add+0x240/0x6e0 [ 79.994725][ T5108] loop_control_ioctl+0x128/0x4d0 [ 79.995426][ T5108] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.996101][ T5108] invoke_syscall+0x98/0x2b8 [ 79.996762][ T5108] el0_svc_common+0x138/0x258 [ 79.997435][ T5108] do_el0_svc+0x58/0x14c [ 79.998033][ T5108] el0_svc+0x78/0x1e0 [ 79.998594][ T5108] el0t_64_sync_handler+0xcc/0xe4 [ 79.999460][ T5108] el0t_64_sync+0x1a0/0x1a4 [ 80.011504][ T5110] FAULT_INJECTION: forcing a failure. [ 80.011504][ T5110] name failslab, interval 1, probability 0, space 0, times 0 [ 80.013354][ T5110] CPU: 1 PID: 5110 Comm: syz.0.65 Tainted: G W syzkaller #0 [ 80.014613][ T5110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.016024][ T5110] Call trace: [ 80.016572][ T5110] dump_backtrace+0x0/0x43c [ 80.017247][ T5110] show_stack+0x2c/0x3c [ 80.017850][ T5110] __dump_stack+0x30/0x40 [ 80.018500][ T5110] dump_stack_lvl+0xf8/0x160 [ 80.019163][ T5110] dump_stack+0x1c/0x5c [ 80.019728][ T5110] should_fail+0x3c0/0x51c [ 80.020462][ T5110] __should_failslab+0xbc/0x10c [ 80.021285][ T5110] should_failslab+0x10/0x28 [ 80.022079][ T5110] slab_pre_alloc_hook+0x64/0xec [ 80.022899][ T5110] __kmalloc_track_caller+0x74/0x370 [ 80.023744][ T5110] kstrdup+0xe4/0x15c [ 80.024374][ T5110] kstrdup_const+0x54/0x6c [ 80.025059][ T5110] kvasprintf_const+0x118/0x2d0 [ 80.025831][ T5110] kobject_set_name_vargs+0xcc/0x1b4 [ 80.026592][ T5110] dev_set_name+0xd8/0x124 [ 80.027233][ T5110] device_add_disk+0x258/0xad0 [ 80.027923][ T5110] loop_add+0x510/0x6e0 [ 80.028556][ T5110] loop_control_ioctl+0x128/0x4d0 [ 80.029288][ T5110] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.030065][ T5110] invoke_syscall+0x98/0x2b8 [ 80.030715][ T5110] el0_svc_common+0x138/0x258 [ 80.031414][ T5110] do_el0_svc+0x58/0x14c [ 80.032046][ T5110] el0_svc+0x78/0x1e0 [ 80.032589][ T5110] el0t_64_sync_handler+0xcc/0xe4 [ 80.033286][ T5110] el0t_64_sync+0x1a0/0x1a4 [ 80.042098][ T5112] FAULT_INJECTION: forcing a failure. [ 80.042098][ T5112] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 80.044160][ T5112] CPU: 1 PID: 5112 Comm: syz.0.66 Tainted: G W syzkaller #0 [ 80.045454][ T5112] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.046932][ T5112] Call trace: [ 80.047466][ T5112] dump_backtrace+0x0/0x43c [ 80.048250][ T5112] show_stack+0x2c/0x3c [ 80.048881][ T5112] __dump_stack+0x30/0x40 [ 80.049581][ T5112] dump_stack_lvl+0xf8/0x160 [ 80.050312][ T5112] dump_stack+0x1c/0x5c [ 80.050963][ T5112] should_fail+0x3c0/0x51c [ 80.051653][ T5112] should_fail_alloc_page+0x74/0xa8 [ 80.052407][ T5112] prepare_alloc_pages+0x160/0x460 [ 80.053218][ T5112] __alloc_pages+0x108/0x470 [ 80.053961][ T5112] alloc_pages+0x34c/0x5c0 [ 80.054638][ T5112] new_slab+0xe0/0x55c [ 80.055229][ T5112] ___slab_alloc+0x6c0/0xda8 [ 80.055927][ T5112] __slab_alloc+0x68/0xc0 [ 80.056629][ T5112] kmem_cache_alloc+0x2ac/0x3e4 [ 80.057338][ T5112] security_inode_alloc+0x38/0x11c [ 80.058147][ T5112] inode_init_always+0x670/0xa84 [ 80.058882][ T5112] new_inode_pseudo+0x7c/0x1fc [ 80.059623][ T5112] new_inode+0x38/0x174 [ 80.060240][ T5112] bdev_alloc+0x30/0x1f8 [ 80.060864][ T5112] __alloc_disk_node+0xbc/0x458 [ 80.061569][ T5112] __blk_mq_alloc_disk+0xe8/0x154 [ 80.062335][ T5112] loop_add+0x240/0x6e0 [ 80.062953][ T5112] loop_control_ioctl+0x128/0x4d0 [ 80.063695][ T5112] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.064400][ T5112] invoke_syscall+0x98/0x2b8 [ 80.065063][ T5112] el0_svc_common+0x138/0x258 [ 80.065765][ T5112] do_el0_svc+0x58/0x14c [ 80.066370][ T5112] el0_svc+0x78/0x1e0 [ 80.066987][ T5112] el0t_64_sync_handler+0xcc/0xe4 [ 80.067714][ T5112] el0t_64_sync+0x1a0/0x1a4 [ 80.078406][ T5114] FAULT_INJECTION: forcing a failure. [ 80.078406][ T5114] name failslab, interval 1, probability 0, space 0, times 0 [ 80.080272][ T5114] CPU: 1 PID: 5114 Comm: syz.0.67 Tainted: G W syzkaller #0 [ 80.081545][ T5114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.083000][ T5114] Call trace: [ 80.083455][ T5114] dump_backtrace+0x0/0x43c [ 80.084169][ T5114] show_stack+0x2c/0x3c [ 80.084768][ T5114] __dump_stack+0x30/0x40 [ 80.085421][ T5114] dump_stack_lvl+0xf8/0x160 [ 80.086173][ T5114] dump_stack+0x1c/0x5c [ 80.086752][ T5114] should_fail+0x3c0/0x51c [ 80.087441][ T5114] __should_failslab+0xbc/0x10c [ 80.088136][ T5114] should_failslab+0x10/0x28 [ 80.088800][ T5114] slab_pre_alloc_hook+0x64/0xec [ 80.089543][ T5114] kmem_cache_alloc+0x94/0x3e4 [ 80.090255][ T5114] security_inode_alloc+0x38/0x11c [ 80.090960][ T5114] inode_init_always+0x670/0xa84 [ 80.091724][ T5114] new_inode_pseudo+0x7c/0x1fc [ 80.092434][ T5114] new_inode+0x38/0x174 [ 80.093095][ T5114] bdev_alloc+0x30/0x1f8 [ 80.093712][ T5114] __alloc_disk_node+0xbc/0x458 [ 80.094390][ T5114] __blk_mq_alloc_disk+0xe8/0x154 [ 80.095108][ T5114] loop_add+0x240/0x6e0 [ 80.095711][ T5114] loop_control_ioctl+0x128/0x4d0 [ 80.096380][ T5114] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.097126][ T5114] invoke_syscall+0x98/0x2b8 [ 80.097793][ T5114] el0_svc_common+0x138/0x258 [ 80.098502][ T5114] do_el0_svc+0x58/0x14c [ 80.099238][ T5114] el0_svc+0x78/0x1e0 [ 80.099834][ T5114] el0t_64_sync_handler+0xcc/0xe4 [ 80.100608][ T5114] el0t_64_sync+0x1a0/0x1a4 [ 80.112254][ T5116] FAULT_INJECTION: forcing a failure. [ 80.112254][ T5116] name failslab, interval 1, probability 0, space 0, times 0 [ 80.114283][ T5116] CPU: 0 PID: 5116 Comm: syz.0.68 Tainted: G W syzkaller #0 [ 80.115528][ T5116] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.116996][ T5116] Call trace: [ 80.117468][ T5116] dump_backtrace+0x0/0x43c [ 80.118177][ T5116] show_stack+0x2c/0x3c [ 80.118827][ T5116] __dump_stack+0x30/0x40 [ 80.119484][ T5116] dump_stack_lvl+0xf8/0x160 [ 80.120152][ T5116] dump_stack+0x1c/0x5c [ 80.120772][ T5116] should_fail+0x3c0/0x51c [ 80.121411][ T5116] __should_failslab+0xbc/0x10c [ 80.122224][ T5116] should_failslab+0x10/0x28 [ 80.122915][ T5116] slab_pre_alloc_hook+0x64/0xec [ 80.123618][ T5116] kmem_cache_alloc+0x94/0x3e4 [ 80.124319][ T5116] bdev_alloc_inode+0x24/0x60 [ 80.125019][ T5116] new_inode_pseudo+0x68/0x1fc [ 80.125681][ T5116] new_inode+0x38/0x174 [ 80.126348][ T5116] bdev_alloc+0x30/0x1f8 [ 80.127031][ T5116] __alloc_disk_node+0xbc/0x458 [ 80.127739][ T5116] __blk_mq_alloc_disk+0xe8/0x154 [ 80.128541][ T5116] loop_add+0x240/0x6e0 [ 80.129209][ T5116] loop_control_ioctl+0x128/0x4d0 [ 80.129982][ T5116] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.130699][ T5116] invoke_syscall+0x98/0x2b8 [ 80.131374][ T5116] el0_svc_common+0x138/0x258 [ 80.132023][ T5116] do_el0_svc+0x58/0x14c [ 80.132642][ T5116] el0_svc+0x78/0x1e0 [ 80.133253][ T5116] el0t_64_sync_handler+0xcc/0xe4 [ 80.133987][ T5116] el0t_64_sync+0x1a0/0x1a4 [ 80.144064][ T5118] FAULT_INJECTION: forcing a failure. [ 80.144064][ T5118] name failslab, interval 1, probability 0, space 0, times 0 [ 80.146503][ T5118] CPU: 0 PID: 5118 Comm: syz.0.69 Tainted: G W syzkaller #0 [ 80.147650][ T5118] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.149110][ T5118] Call trace: [ 80.149557][ T5118] dump_backtrace+0x0/0x43c [ 80.150183][ T5118] show_stack+0x2c/0x3c [ 80.150775][ T5118] __dump_stack+0x30/0x40 [ 80.151352][ T5118] dump_stack_lvl+0xf8/0x160 [ 80.151995][ T5118] dump_stack+0x1c/0x5c [ 80.152586][ T5118] should_fail+0x3c0/0x51c [ 80.153207][ T5118] __should_failslab+0xbc/0x10c [ 80.153900][ T5118] should_failslab+0x10/0x28 [ 80.154553][ T5118] slab_pre_alloc_hook+0x64/0xec [ 80.155250][ T5118] kmem_cache_alloc+0x94/0x3e4 [ 80.155906][ T5118] bdev_alloc_inode+0x24/0x60 [ 80.156566][ T5118] new_inode_pseudo+0x68/0x1fc [ 80.157228][ T5118] new_inode+0x38/0x174 [ 80.157854][ T5118] bdev_alloc+0x30/0x1f8 [ 80.158467][ T5118] __alloc_disk_node+0xbc/0x458 [ 80.159108][ T5118] __blk_mq_alloc_disk+0xe8/0x154 [ 80.159851][ T5118] loop_add+0x240/0x6e0 [ 80.160477][ T5118] loop_control_ioctl+0x128/0x4d0 [ 80.161196][ T5118] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.161836][ T5118] invoke_syscall+0x98/0x2b8 [ 80.162423][ T5118] el0_svc_common+0x138/0x258 [ 80.163095][ T5118] do_el0_svc+0x58/0x14c [ 80.163707][ T5118] el0_svc+0x78/0x1e0 [ 80.164333][ T5118] el0t_64_sync_handler+0xcc/0xe4 [ 80.165141][ T5118] el0t_64_sync+0x1a0/0x1a4 [ 80.166237][ T4110] Bluetooth: hci0: command 0x0419 tx timeout [ 80.180945][ T5120] FAULT_INJECTION: forcing a failure. [ 80.180945][ T5120] name failslab, interval 1, probability 0, space 0, times 0 [ 80.182858][ T5120] CPU: 0 PID: 5120 Comm: syz.0.70 Tainted: G W syzkaller #0 [ 80.184243][ T5120] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.185705][ T5120] Call trace: [ 80.186159][ T5120] dump_backtrace+0x0/0x43c [ 80.186865][ T5120] show_stack+0x2c/0x3c [ 80.187493][ T5120] __dump_stack+0x30/0x40 [ 80.188092][ T5120] dump_stack_lvl+0xf8/0x160 [ 80.188752][ T5120] dump_stack+0x1c/0x5c [ 80.189351][ T5120] should_fail+0x3c0/0x51c [ 80.190036][ T5120] __should_failslab+0xbc/0x10c [ 80.190742][ T5120] should_failslab+0x10/0x28 [ 80.191383][ T5120] slab_pre_alloc_hook+0x64/0xec [ 80.192043][ T5120] kmem_cache_alloc+0x94/0x3e4 [ 80.192732][ T5120] bdev_alloc_inode+0x24/0x60 [ 80.193385][ T5120] new_inode_pseudo+0x68/0x1fc [ 80.194028][ T5120] new_inode+0x38/0x174 [ 80.194637][ T5120] bdev_alloc+0x30/0x1f8 [ 80.195284][ T5120] __alloc_disk_node+0xbc/0x458 [ 80.195978][ T5120] __blk_mq_alloc_disk+0xe8/0x154 [ 80.196695][ T5120] loop_add+0x240/0x6e0 [ 80.197269][ T5120] loop_control_ioctl+0x128/0x4d0 [ 80.197959][ T5120] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.198709][ T5120] invoke_syscall+0x98/0x2b8 [ 80.199402][ T5120] el0_svc_common+0x138/0x258 [ 80.200026][ T5120] do_el0_svc+0x58/0x14c [ 80.200656][ T5120] el0_svc+0x78/0x1e0 [ 80.201204][ T5120] el0t_64_sync_handler+0xcc/0xe4 [ 80.201932][ T5120] el0t_64_sync+0x1a0/0x1a4 [ 80.213913][ T5122] FAULT_INJECTION: forcing a failure. [ 80.213913][ T5122] name failslab, interval 1, probability 0, space 0, times 0 [ 80.216492][ T5122] CPU: 0 PID: 5122 Comm: syz.0.71 Tainted: G W syzkaller #0 [ 80.217740][ T5122] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.219163][ T5122] Call trace: [ 80.219620][ T5122] dump_backtrace+0x0/0x43c [ 80.220267][ T5122] show_stack+0x2c/0x3c [ 80.220890][ T5122] __dump_stack+0x30/0x40 [ 80.221545][ T5122] dump_stack_lvl+0xf8/0x160 [ 80.222187][ T5122] dump_stack+0x1c/0x5c [ 80.222786][ T5122] should_fail+0x3c0/0x51c [ 80.223407][ T5122] __should_failslab+0xbc/0x10c [ 80.224079][ T5122] should_failslab+0x10/0x28 [ 80.224752][ T5122] slab_pre_alloc_hook+0x64/0xec [ 80.225448][ T5122] kmem_cache_alloc+0x94/0x3e4 [ 80.226094][ T5122] security_inode_alloc+0x38/0x11c [ 80.226871][ T5122] inode_init_always+0x670/0xa84 [ 80.227541][ T5122] new_inode_pseudo+0x7c/0x1fc [ 80.228163][ T5122] new_inode+0x38/0x174 [ 80.228788][ T5122] bdev_alloc+0x30/0x1f8 [ 80.229370][ T5122] __alloc_disk_node+0xbc/0x458 [ 80.230101][ T5122] __blk_mq_alloc_disk+0xe8/0x154 [ 80.230867][ T5122] loop_add+0x240/0x6e0 [ 80.231511][ T5122] loop_control_ioctl+0x128/0x4d0 [ 80.232271][ T5122] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.233040][ T5122] invoke_syscall+0x98/0x2b8 [ 80.233648][ T5122] el0_svc_common+0x138/0x258 [ 80.234331][ T5122] do_el0_svc+0x58/0x14c [ 80.234893][ T5122] el0_svc+0x78/0x1e0 [ 80.235485][ T5122] el0t_64_sync_handler+0xcc/0xe4 [ 80.236231][ T5122] el0t_64_sync+0x1a0/0x1a4 [ 80.244774][ T5124] FAULT_INJECTION: forcing a failure. [ 80.244774][ T5124] name failslab, interval 1, probability 0, space 0, times 0 [ 80.247155][ T5124] CPU: 0 PID: 5124 Comm: syz.0.72 Tainted: G W syzkaller #0 [ 80.248353][ T5124] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.249747][ T5124] Call trace: [ 80.250192][ T5124] dump_backtrace+0x0/0x43c [ 80.250828][ T5124] show_stack+0x2c/0x3c [ 80.251452][ T5124] __dump_stack+0x30/0x40 [ 80.252113][ T5124] dump_stack_lvl+0xf8/0x160 [ 80.252793][ T5124] dump_stack+0x1c/0x5c [ 80.253430][ T5124] should_fail+0x3c0/0x51c [ 80.254061][ T5124] __should_failslab+0xbc/0x10c [ 80.254812][ T5124] should_failslab+0x10/0x28 [ 80.255432][ T5124] slab_pre_alloc_hook+0x64/0xec [ 80.256188][ T5124] kmem_cache_alloc+0x94/0x3e4 [ 80.256876][ T5124] security_inode_alloc+0x38/0x11c [ 80.257614][ T5124] inode_init_always+0x670/0xa84 [ 80.258401][ T5124] new_inode_pseudo+0x7c/0x1fc [ 80.259125][ T5124] new_inode+0x38/0x174 [ 80.259837][ T5124] bdev_alloc+0x30/0x1f8 [ 80.260508][ T5124] __alloc_disk_node+0xbc/0x458 [ 80.261290][ T5124] __blk_mq_alloc_disk+0xe8/0x154 [ 80.262026][ T5124] loop_add+0x240/0x6e0 [ 80.262580][ T5124] loop_control_ioctl+0x128/0x4d0 [ 80.263339][ T5124] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.264096][ T5124] invoke_syscall+0x98/0x2b8 [ 80.264705][ T5124] el0_svc_common+0x138/0x258 [ 80.265420][ T5124] do_el0_svc+0x58/0x14c [ 80.266065][ T5124] el0_svc+0x78/0x1e0 [ 80.266647][ T5124] el0t_64_sync_handler+0xcc/0xe4 [ 80.267375][ T5124] el0t_64_sync+0x1a0/0x1a4 [ 80.278009][ T5126] FAULT_INJECTION: forcing a failure. [ 80.278009][ T5126] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 80.280090][ T5126] CPU: 0 PID: 5126 Comm: syz.0.73 Tainted: G W syzkaller #0 [ 80.281266][ T5126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.282806][ T5126] Call trace: [ 80.283309][ T5126] dump_backtrace+0x0/0x43c [ 80.283944][ T5126] show_stack+0x2c/0x3c [ 80.284567][ T5126] __dump_stack+0x30/0x40 [ 80.285198][ T5126] dump_stack_lvl+0xf8/0x160 [ 80.285868][ T5126] dump_stack+0x1c/0x5c [ 80.286439][ T5126] should_fail+0x3c0/0x51c [ 80.287120][ T5126] should_fail_alloc_page+0x74/0xa8 [ 80.287852][ T5126] prepare_alloc_pages+0x160/0x460 [ 80.288593][ T5126] __alloc_pages+0x108/0x470 [ 80.289238][ T5126] alloc_pages+0x34c/0x5c0 [ 80.289832][ T5126] new_slab+0xe0/0x55c [ 80.290415][ T5126] ___slab_alloc+0x6c0/0xda8 [ 80.291110][ T5126] __slab_alloc+0x68/0xc0 [ 80.291760][ T5126] kmem_cache_alloc+0x2ac/0x3e4 [ 80.292467][ T5126] bdev_alloc_inode+0x24/0x60 [ 80.293078][ T5126] new_inode_pseudo+0x68/0x1fc [ 80.293694][ T5126] new_inode+0x38/0x174 [ 80.294268][ T5126] bdev_alloc+0x30/0x1f8 [ 80.294883][ T5126] __alloc_disk_node+0xbc/0x458 [ 80.295630][ T5126] __blk_mq_alloc_disk+0xe8/0x154 [ 80.296424][ T5126] loop_add+0x240/0x6e0 [ 80.297051][ T5126] loop_control_ioctl+0x128/0x4d0 [ 80.297808][ T5126] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.298565][ T5126] invoke_syscall+0x98/0x2b8 [ 80.299228][ T5126] el0_svc_common+0x138/0x258 [ 80.299909][ T5126] do_el0_svc+0x58/0x14c [ 80.300546][ T5126] el0_svc+0x78/0x1e0 [ 80.301102][ T5126] el0t_64_sync_handler+0xcc/0xe4 [ 80.301828][ T5126] el0t_64_sync+0x1a0/0x1a4 [ 80.320685][ T5128] FAULT_INJECTION: forcing a failure. [ 80.320685][ T5128] name failslab, interval 1, probability 0, space 0, times 0 [ 80.322611][ T5128] CPU: 1 PID: 5128 Comm: syz.0.74 Tainted: G W syzkaller #0 [ 80.323928][ T5128] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.325371][ T5128] Call trace: [ 80.325869][ T5128] dump_backtrace+0x0/0x43c [ 80.326605][ T5128] show_stack+0x2c/0x3c [ 80.327274][ T5128] __dump_stack+0x30/0x40 [ 80.327904][ T5128] dump_stack_lvl+0xf8/0x160 [ 80.328595][ T5128] dump_stack+0x1c/0x5c [ 80.329223][ T5128] should_fail+0x3c0/0x51c [ 80.329890][ T5128] __should_failslab+0xbc/0x10c [ 80.330602][ T5128] should_failslab+0x10/0x28 [ 80.331240][ T5128] slab_pre_alloc_hook+0x64/0xec [ 80.331924][ T5128] __kmalloc_node+0xb8/0x520 [ 80.332610][ T5128] memcg_alloc_page_obj_cgroups+0x80/0x174 [ 80.333507][ T5128] new_slab+0x114/0x55c [ 80.334074][ T5128] ___slab_alloc+0x6c0/0xda8 [ 80.334724][ T5128] __slab_alloc+0x68/0xc0 [ 80.335348][ T5128] kmem_cache_alloc+0x2ac/0x3e4 [ 80.336082][ T5128] bdev_alloc_inode+0x24/0x60 [ 80.336754][ T5128] new_inode_pseudo+0x68/0x1fc [ 80.337448][ T5128] new_inode+0x38/0x174 [ 80.338047][ T5128] bdev_alloc+0x30/0x1f8 [ 80.338636][ T5128] __alloc_disk_node+0xbc/0x458 [ 80.339325][ T5128] __blk_mq_alloc_disk+0xe8/0x154 [ 80.340071][ T5128] loop_add+0x240/0x6e0 [ 80.340636][ T5128] loop_control_ioctl+0x128/0x4d0 [ 80.341339][ T5128] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.342086][ T5128] invoke_syscall+0x98/0x2b8 [ 80.342746][ T5128] el0_svc_common+0x138/0x258 [ 80.343390][ T5128] do_el0_svc+0x58/0x14c [ 80.343960][ T5128] el0_svc+0x78/0x1e0 [ 80.344563][ T5128] el0t_64_sync_handler+0xcc/0xe4 [ 80.345248][ T5128] el0t_64_sync+0x1a0/0x1a4 [ 80.363010][ T5130] FAULT_INJECTION: forcing a failure. [ 80.363010][ T5130] name failslab, interval 1, probability 0, space 0, times 0 [ 80.365023][ T5130] CPU: 0 PID: 5130 Comm: syz.0.75 Tainted: G W syzkaller #0 [ 80.366328][ T5130] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.367842][ T5130] Call trace: [ 80.368345][ T5130] dump_backtrace+0x0/0x43c [ 80.368976][ T5130] show_stack+0x2c/0x3c [ 80.369604][ T5130] __dump_stack+0x30/0x40 [ 80.370228][ T5130] dump_stack_lvl+0xf8/0x160 [ 80.370917][ T5130] dump_stack+0x1c/0x5c [ 80.371548][ T5130] should_fail+0x3c0/0x51c [ 80.372194][ T5130] __should_failslab+0xbc/0x10c [ 80.372983][ T5130] should_failslab+0x10/0x28 [ 80.373725][ T5130] slab_pre_alloc_hook+0x64/0xec [ 80.374527][ T5130] __kmalloc_node+0xb8/0x520 [ 80.375249][ T5130] memcg_alloc_page_obj_cgroups+0x80/0x174 [ 80.376090][ T5130] new_slab+0x114/0x55c [ 80.376667][ T5130] ___slab_alloc+0x6c0/0xda8 [ 80.377317][ T5130] __slab_alloc+0x68/0xc0 [ 80.377945][ T5130] kmem_cache_alloc+0x2ac/0x3e4 [ 80.378694][ T5130] bdev_alloc_inode+0x24/0x60 [ 80.379381][ T5130] new_inode_pseudo+0x68/0x1fc [ 80.380097][ T5130] new_inode+0x38/0x174 [ 80.380694][ T5130] bdev_alloc+0x30/0x1f8 [ 80.381306][ T5130] __alloc_disk_node+0xbc/0x458 [ 80.382054][ T5130] __blk_mq_alloc_disk+0xe8/0x154 [ 80.382789][ T5130] loop_add+0x240/0x6e0 [ 80.383439][ T5130] loop_control_ioctl+0x128/0x4d0 [ 80.384165][ T5130] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.384882][ T5130] invoke_syscall+0x98/0x2b8 [ 80.385565][ T5130] el0_svc_common+0x138/0x258 [ 80.386201][ T5130] do_el0_svc+0x58/0x14c [ 80.386783][ T5130] el0_svc+0x78/0x1e0 [ 80.387343][ T5130] el0t_64_sync_handler+0xcc/0xe4 [ 80.388022][ T5130] el0t_64_sync+0x1a0/0x1a4 [ 80.402050][ T5132] FAULT_INJECTION: forcing a failure. [ 80.402050][ T5132] name failslab, interval 1, probability 0, space 0, times 0 [ 80.403980][ T5132] CPU: 1 PID: 5132 Comm: syz.0.76 Tainted: G W syzkaller #0 [ 80.405229][ T5132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.406808][ T5132] Call trace: [ 80.407345][ T5132] dump_backtrace+0x0/0x43c [ 80.408098][ T5132] show_stack+0x2c/0x3c [ 80.408729][ T5132] __dump_stack+0x30/0x40 [ 80.409425][ T5132] dump_stack_lvl+0xf8/0x160 [ 80.410089][ T5132] dump_stack+0x1c/0x5c [ 80.410742][ T5132] should_fail+0x3c0/0x51c [ 80.411424][ T5132] __should_failslab+0xbc/0x10c [ 80.412166][ T5132] should_failslab+0x10/0x28 [ 80.412812][ T5132] slab_pre_alloc_hook+0x64/0xec [ 80.413595][ T5132] __kmalloc_track_caller+0x74/0x370 [ 80.414325][ T5132] kstrdup+0xe4/0x15c [ 80.414912][ T5132] kstrdup_const+0x54/0x6c [ 80.415537][ T5132] kvasprintf_const+0x118/0x2d0 [ 80.416274][ T5132] kobject_set_name_vargs+0xcc/0x1b4 [ 80.417080][ T5132] dev_set_name+0xd8/0x124 [ 80.417742][ T5132] device_add_disk+0x258/0xad0 [ 80.418444][ T5132] loop_add+0x510/0x6e0 [ 80.419008][ T5132] loop_control_ioctl+0x128/0x4d0 [ 80.419731][ T5132] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.420434][ T5132] invoke_syscall+0x98/0x2b8 [ 80.421089][ T5132] el0_svc_common+0x138/0x258 [ 80.421728][ T5132] do_el0_svc+0x58/0x14c [ 80.422385][ T5132] el0_svc+0x78/0x1e0 [ 80.422939][ T5132] el0t_64_sync_handler+0xcc/0xe4 [ 80.423721][ T5132] el0t_64_sync+0x1a0/0x1a4 [ 80.444542][ T5134] FAULT_INJECTION: forcing a failure. [ 80.444542][ T5134] name failslab, interval 1, probability 0, space 0, times 0 [ 80.447111][ T5134] CPU: 1 PID: 5134 Comm: syz.0.77 Tainted: G W syzkaller #0 [ 80.448450][ T5134] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.450067][ T5134] Call trace: [ 80.450528][ T5134] dump_backtrace+0x0/0x43c [ 80.451203][ T5134] show_stack+0x2c/0x3c [ 80.451817][ T5134] __dump_stack+0x30/0x40 [ 80.452492][ T5134] dump_stack_lvl+0xf8/0x160 [ 80.453201][ T5134] dump_stack+0x1c/0x5c [ 80.453786][ T5134] should_fail+0x3c0/0x51c [ 80.454509][ T5134] __should_failslab+0xbc/0x10c [ 80.455194][ T5134] should_failslab+0x10/0x28 [ 80.455907][ T5134] slab_pre_alloc_hook+0x64/0xec [ 80.456690][ T5134] __kmalloc_track_caller+0x74/0x370 [ 80.457483][ T5134] kstrdup+0xe4/0x15c [ 80.458062][ T5134] kstrdup_const+0x54/0x6c [ 80.458744][ T5134] kvasprintf_const+0x118/0x2d0 [ 80.459487][ T5134] kobject_set_name_vargs+0xcc/0x1b4 [ 80.460344][ T5134] dev_set_name+0xd8/0x124 [ 80.461029][ T5134] device_add_disk+0x258/0xad0 [ 80.461679][ T5134] loop_add+0x510/0x6e0 [ 80.462292][ T5134] loop_control_ioctl+0x128/0x4d0 [ 80.463019][ T5134] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.463728][ T5134] invoke_syscall+0x98/0x2b8 [ 80.464418][ T5134] el0_svc_common+0x138/0x258 [ 80.465169][ T5134] do_el0_svc+0x58/0x14c [ 80.465806][ T5134] el0_svc+0x78/0x1e0 [ 80.466426][ T5134] el0t_64_sync_handler+0xcc/0xe4 [ 80.467153][ T5134] el0t_64_sync+0x1a0/0x1a4 [ 80.478026][ T5136] FAULT_INJECTION: forcing a failure. [ 80.478026][ T5136] name failslab, interval 1, probability 0, space 0, times 0 [ 80.480019][ T5136] CPU: 1 PID: 5136 Comm: syz.0.78 Tainted: G W syzkaller #0 [ 80.481251][ T5136] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.482701][ T5136] Call trace: [ 80.483184][ T5136] dump_backtrace+0x0/0x43c [ 80.483845][ T5136] show_stack+0x2c/0x3c [ 80.484448][ T5136] __dump_stack+0x30/0x40 [ 80.485089][ T5136] dump_stack_lvl+0xf8/0x160 [ 80.485747][ T5136] dump_stack+0x1c/0x5c [ 80.486372][ T5136] should_fail+0x3c0/0x51c [ 80.487081][ T5136] __should_failslab+0xbc/0x10c [ 80.487797][ T5136] should_failslab+0x10/0x28 [ 80.488476][ T5136] slab_pre_alloc_hook+0x64/0xec [ 80.489195][ T5136] __kmalloc_track_caller+0x74/0x370 [ 80.490003][ T5136] kstrdup+0xe4/0x15c [ 80.490594][ T5136] kstrdup_const+0x54/0x6c [ 80.491227][ T5136] kvasprintf_const+0x118/0x2d0 [ 80.491897][ T5136] kobject_set_name_vargs+0xcc/0x1b4 [ 80.492669][ T5136] dev_set_name+0xd8/0x124 [ 80.493343][ T5136] device_add_disk+0x258/0xad0 [ 80.494052][ T5136] loop_add+0x510/0x6e0 [ 80.494656][ T5136] loop_control_ioctl+0x128/0x4d0 [ 80.495359][ T5136] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.496006][ T5136] invoke_syscall+0x98/0x2b8 [ 80.496685][ T5136] el0_svc_common+0x138/0x258 [ 80.497339][ T5136] do_el0_svc+0x58/0x14c [ 80.497958][ T5136] el0_svc+0x78/0x1e0 [ 80.498542][ T5136] el0t_64_sync_handler+0xcc/0xe4 [ 80.499309][ T5136] el0t_64_sync+0x1a0/0x1a4 [ 80.507705][ T5138] FAULT_INJECTION: forcing a failure. [ 80.507705][ T5138] name failslab, interval 1, probability 0, space 0, times 0 [ 80.509672][ T5138] CPU: 1 PID: 5138 Comm: syz.0.79 Tainted: G W syzkaller #0 [ 80.511073][ T5138] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.512578][ T5138] Call trace: [ 80.513059][ T5138] dump_backtrace+0x0/0x43c [ 80.513699][ T5138] show_stack+0x2c/0x3c [ 80.514322][ T5138] __dump_stack+0x30/0x40 [ 80.514944][ T5138] dump_stack_lvl+0xf8/0x160 [ 80.515643][ T5138] dump_stack+0x1c/0x5c [ 80.516245][ T5138] should_fail+0x3c0/0x51c [ 80.516878][ T5138] __should_failslab+0xbc/0x10c [ 80.517561][ T5138] should_failslab+0x10/0x28 [ 80.518214][ T5138] slab_pre_alloc_hook+0x64/0xec [ 80.518949][ T5138] kmem_cache_alloc_trace+0x98/0x3fc [ 80.519764][ T5138] rand_initialize_disk+0x58/0xb8 [ 80.520504][ T5138] __alloc_disk_node+0x2a8/0x458 [ 80.521153][ T5138] __blk_mq_alloc_disk+0xe8/0x154 [ 80.521881][ T5138] loop_add+0x240/0x6e0 [ 80.522482][ T5138] loop_control_ioctl+0x128/0x4d0 [ 80.523260][ T5138] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.523971][ T5138] invoke_syscall+0x98/0x2b8 [ 80.524614][ T5138] el0_svc_common+0x138/0x258 [ 80.525375][ T5138] do_el0_svc+0x58/0x14c [ 80.526004][ T5138] el0_svc+0x78/0x1e0 [ 80.526575][ T5138] el0t_64_sync_handler+0xcc/0xe4 [ 80.527305][ T5138] el0t_64_sync+0x1a0/0x1a4 [ 80.539342][ T5140] FAULT_INJECTION: forcing a failure. [ 80.539342][ T5140] name failslab, interval 1, probability 0, space 0, times 0 [ 80.541328][ T5140] CPU: 0 PID: 5140 Comm: syz.0.80 Tainted: G W syzkaller #0 [ 80.542654][ T5140] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.544148][ T5140] Call trace: [ 80.544619][ T5140] dump_backtrace+0x0/0x43c [ 80.545253][ T5140] show_stack+0x2c/0x3c [ 80.545864][ T5140] __dump_stack+0x30/0x40 [ 80.546487][ T5140] dump_stack_lvl+0xf8/0x160 [ 80.547170][ T5140] dump_stack+0x1c/0x5c [ 80.547783][ T5140] should_fail+0x3c0/0x51c [ 80.548468][ T5140] __should_failslab+0xbc/0x10c [ 80.549194][ T5140] should_failslab+0x10/0x28 [ 80.549886][ T5140] slab_pre_alloc_hook+0x64/0xec [ 80.550627][ T5140] __kmalloc_track_caller+0x74/0x370 [ 80.551344][ T5140] kstrdup+0xe4/0x15c [ 80.551979][ T5140] kstrdup_const+0x54/0x6c [ 80.552678][ T5140] kvasprintf_const+0x118/0x2d0 [ 80.553455][ T5140] kobject_set_name_vargs+0xcc/0x1b4 [ 80.554234][ T5140] dev_set_name+0xd8/0x124 [ 80.554864][ T5140] device_add_disk+0x258/0xad0 [ 80.555583][ T5140] loop_add+0x510/0x6e0 [ 80.556168][ T5140] loop_control_ioctl+0x128/0x4d0 [ 80.556897][ T5140] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.557642][ T5140] invoke_syscall+0x98/0x2b8 [ 80.558355][ T5140] el0_svc_common+0x138/0x258 [ 80.559027][ T5140] do_el0_svc+0x58/0x14c [ 80.559724][ T5140] el0_svc+0x78/0x1e0 [ 80.560317][ T5140] el0t_64_sync_handler+0xcc/0xe4 [ 80.561049][ T5140] el0t_64_sync+0x1a0/0x1a4 [ 80.578155][ T5142] FAULT_INJECTION: forcing a failure. [ 80.578155][ T5142] name failslab, interval 1, probability 0, space 0, times 0 [ 80.580119][ T5142] CPU: 0 PID: 5142 Comm: syz.0.81 Tainted: G W syzkaller #0 [ 80.581526][ T5142] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.583124][ T5142] Call trace: [ 80.583610][ T5142] dump_backtrace+0x0/0x43c [ 80.584279][ T5142] show_stack+0x2c/0x3c [ 80.584898][ T5142] __dump_stack+0x30/0x40 [ 80.585556][ T5142] dump_stack_lvl+0xf8/0x160 [ 80.586221][ T5142] dump_stack+0x1c/0x5c [ 80.586826][ T5142] should_fail+0x3c0/0x51c [ 80.587442][ T5142] __should_failslab+0xbc/0x10c [ 80.588127][ T5142] should_failslab+0x10/0x28 [ 80.588777][ T5142] slab_pre_alloc_hook+0x64/0xec [ 80.589515][ T5142] __kmalloc_track_caller+0x74/0x370 [ 80.590231][ T5142] kstrdup+0xe4/0x15c [ 80.590779][ T5142] kstrdup_const+0x54/0x6c [ 80.591417][ T5142] kvasprintf_const+0x118/0x2d0 [ 80.592116][ T5142] kobject_set_name_vargs+0xcc/0x1b4 [ 80.592845][ T5142] dev_set_name+0xd8/0x124 [ 80.593487][ T5142] device_add_disk+0x258/0xad0 [ 80.594186][ T5142] loop_add+0x510/0x6e0 [ 80.594776][ T5142] loop_control_ioctl+0x128/0x4d0 [ 80.595520][ T5142] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.596231][ T5142] invoke_syscall+0x98/0x2b8 [ 80.596985][ T5142] el0_svc_common+0x138/0x258 [ 80.597721][ T5142] do_el0_svc+0x58/0x14c [ 80.598381][ T5142] el0_svc+0x78/0x1e0 [ 80.599017][ T5142] el0t_64_sync_handler+0xcc/0xe4 [ 80.599827][ T5142] el0t_64_sync+0x1a0/0x1a4 [ 80.612570][ T5144] FAULT_INJECTION: forcing a failure. [ 80.612570][ T5144] name failslab, interval 1, probability 0, space 0, times 0 [ 80.614418][ T5144] CPU: 0 PID: 5144 Comm: syz.0.82 Tainted: G W syzkaller #0 [ 80.615626][ T5144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.617175][ T5144] Call trace: [ 80.617662][ T5144] dump_backtrace+0x0/0x43c [ 80.618421][ T5144] show_stack+0x2c/0x3c [ 80.619066][ T5144] __dump_stack+0x30/0x40 [ 80.619727][ T5144] dump_stack_lvl+0xf8/0x160 [ 80.620429][ T5144] dump_stack+0x1c/0x5c [ 80.621088][ T5144] should_fail+0x3c0/0x51c [ 80.621824][ T5144] __should_failslab+0xbc/0x10c [ 80.622579][ T5144] should_failslab+0x10/0x28 [ 80.623297][ T5144] slab_pre_alloc_hook+0x64/0xec [ 80.624055][ T5144] __kmalloc_track_caller+0x74/0x370 [ 80.624848][ T5144] kstrdup+0xe4/0x15c [ 80.625439][ T5144] kstrdup_const+0x54/0x6c [ 80.626089][ T5144] kvasprintf_const+0x118/0x2d0 [ 80.626800][ T5144] kobject_set_name_vargs+0xcc/0x1b4 [ 80.627628][ T5144] dev_set_name+0xd8/0x124 [ 80.628269][ T5144] device_add_disk+0x258/0xad0 [ 80.629048][ T5144] loop_add+0x510/0x6e0 [ 80.629650][ T5144] loop_control_ioctl+0x128/0x4d0 [ 80.630394][ T5144] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.631088][ T5144] invoke_syscall+0x98/0x2b8 [ 80.631748][ T5144] el0_svc_common+0x138/0x258 [ 80.632400][ T5144] do_el0_svc+0x58/0x14c [ 80.632981][ T5144] el0_svc+0x78/0x1e0 [ 80.633546][ T5144] el0t_64_sync_handler+0xcc/0xe4 [ 80.634289][ T5144] el0t_64_sync+0x1a0/0x1a4 [ 80.646485][ T5146] FAULT_INJECTION: forcing a failure. [ 80.646485][ T5146] name failslab, interval 1, probability 0, space 0, times 0 [ 80.648353][ T5146] CPU: 0 PID: 5146 Comm: syz.0.83 Tainted: G W syzkaller #0 [ 80.649563][ T5146] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.650988][ T5146] Call trace: [ 80.651504][ T5146] dump_backtrace+0x0/0x43c [ 80.652123][ T5146] show_stack+0x2c/0x3c [ 80.652684][ T5146] __dump_stack+0x30/0x40 [ 80.653337][ T5146] dump_stack_lvl+0xf8/0x160 [ 80.654020][ T5146] dump_stack+0x1c/0x5c [ 80.654621][ T5146] should_fail+0x3c0/0x51c [ 80.655303][ T5146] __should_failslab+0xbc/0x10c [ 80.655995][ T5146] should_failslab+0x10/0x28 [ 80.656664][ T5146] slab_pre_alloc_hook+0x64/0xec [ 80.657356][ T5146] __kmalloc_track_caller+0x74/0x370 [ 80.658125][ T5146] kstrdup+0xe4/0x15c [ 80.658691][ T5146] kstrdup_const+0x54/0x6c [ 80.659351][ T5146] kvasprintf_const+0x118/0x2d0 [ 80.660106][ T5146] kobject_set_name_vargs+0xcc/0x1b4 [ 80.660860][ T5146] dev_set_name+0xd8/0x124 [ 80.661478][ T5146] device_add_disk+0x258/0xad0 [ 80.662200][ T5146] loop_add+0x510/0x6e0 [ 80.662744][ T5146] loop_control_ioctl+0x128/0x4d0 [ 80.663466][ T5146] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.664179][ T5146] invoke_syscall+0x98/0x2b8 [ 80.664861][ T5146] el0_svc_common+0x138/0x258 [ 80.665535][ T5146] do_el0_svc+0x58/0x14c [ 80.666091][ T5146] el0_svc+0x78/0x1e0 [ 80.666678][ T5146] el0t_64_sync_handler+0xcc/0xe4 [ 80.667431][ T5146] el0t_64_sync+0x1a0/0x1a4 [ 80.682035][ T5148] FAULT_INJECTION: forcing a failure. [ 80.682035][ T5148] name failslab, interval 1, probability 0, space 0, times 0 [ 80.683974][ T5148] CPU: 0 PID: 5148 Comm: syz.0.84 Tainted: G W syzkaller #0 [ 80.685327][ T5148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.686969][ T5148] Call trace: [ 80.687480][ T5148] dump_backtrace+0x0/0x43c [ 80.688182][ T5148] show_stack+0x2c/0x3c [ 80.688782][ T5148] __dump_stack+0x30/0x40 [ 80.689390][ T5148] dump_stack_lvl+0xf8/0x160 [ 80.690083][ T5148] dump_stack+0x1c/0x5c [ 80.690716][ T5148] should_fail+0x3c0/0x51c [ 80.691418][ T5148] __should_failslab+0xbc/0x10c [ 80.692191][ T5148] should_failslab+0x10/0x28 [ 80.692932][ T5148] slab_pre_alloc_hook+0x64/0xec [ 80.693703][ T5148] __kmalloc_track_caller+0x74/0x370 [ 80.694533][ T5148] kstrdup+0xe4/0x15c [ 80.695141][ T5148] kstrdup_const+0x54/0x6c [ 80.695817][ T5148] kvasprintf_const+0x118/0x2d0 [ 80.696549][ T5148] kobject_set_name_vargs+0xcc/0x1b4 [ 80.697401][ T5148] dev_set_name+0xd8/0x124 [ 80.698147][ T5148] device_add_disk+0x258/0xad0 [ 80.698876][ T5148] loop_add+0x510/0x6e0 [ 80.699553][ T5148] loop_control_ioctl+0x128/0x4d0 [ 80.700280][ T5148] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.701000][ T5148] invoke_syscall+0x98/0x2b8 [ 80.701654][ T5148] el0_svc_common+0x138/0x258 [ 80.702350][ T5148] do_el0_svc+0x58/0x14c [ 80.702997][ T5148] el0_svc+0x78/0x1e0 [ 80.703595][ T5148] el0t_64_sync_handler+0xcc/0xe4 [ 80.704302][ T5148] el0t_64_sync+0x1a0/0x1a4 [ 80.716906][ T5150] FAULT_INJECTION: forcing a failure. [ 80.716906][ T5150] name failslab, interval 1, probability 0, space 0, times 0 [ 80.718745][ T5150] CPU: 0 PID: 5150 Comm: syz.0.85 Tainted: G W syzkaller #0 [ 80.720036][ T5150] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.721377][ T5150] Call trace: [ 80.721816][ T5150] dump_backtrace+0x0/0x43c [ 80.722428][ T5150] show_stack+0x2c/0x3c [ 80.723092][ T5150] __dump_stack+0x30/0x40 [ 80.723711][ T5150] dump_stack_lvl+0xf8/0x160 [ 80.724374][ T5150] dump_stack+0x1c/0x5c [ 80.725009][ T5150] should_fail+0x3c0/0x51c [ 80.725661][ T5150] __should_failslab+0xbc/0x10c [ 80.726358][ T5150] should_failslab+0x10/0x28 [ 80.726978][ T5150] slab_pre_alloc_hook+0x64/0xec [ 80.727693][ T5150] __kmalloc_track_caller+0x74/0x370 [ 80.728492][ T5150] kstrdup+0xe4/0x15c [ 80.729085][ T5150] kstrdup_const+0x54/0x6c [ 80.729718][ T5150] kvasprintf_const+0x118/0x2d0 [ 80.730444][ T5150] kobject_set_name_vargs+0xcc/0x1b4 [ 80.731249][ T5150] dev_set_name+0xd8/0x124 [ 80.731940][ T5150] device_add_disk+0x258/0xad0 [ 80.732640][ T5150] loop_add+0x510/0x6e0 [ 80.733265][ T5150] loop_control_ioctl+0x128/0x4d0 [ 80.733976][ T5150] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.734691][ T5150] invoke_syscall+0x98/0x2b8 [ 80.735412][ T5150] el0_svc_common+0x138/0x258 [ 80.736112][ T5150] do_el0_svc+0x58/0x14c [ 80.736701][ T5150] el0_svc+0x78/0x1e0 [ 80.737338][ T5150] el0t_64_sync_handler+0xcc/0xe4 [ 80.738061][ T5150] el0t_64_sync+0x1a0/0x1a4 [ 80.750154][ T5152] FAULT_INJECTION: forcing a failure. [ 80.750154][ T5152] name failslab, interval 1, probability 0, space 0, times 0 [ 80.752041][ T5152] CPU: 0 PID: 5152 Comm: syz.0.86 Tainted: G W syzkaller #0 [ 80.753325][ T5152] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.754775][ T5152] Call trace: [ 80.755294][ T5152] dump_backtrace+0x0/0x43c [ 80.755939][ T5152] show_stack+0x2c/0x3c [ 80.756591][ T5152] __dump_stack+0x30/0x40 [ 80.757249][ T5152] dump_stack_lvl+0xf8/0x160 [ 80.757940][ T5152] dump_stack+0x1c/0x5c [ 80.758518][ T5152] should_fail+0x3c0/0x51c [ 80.759182][ T5152] __should_failslab+0xbc/0x10c [ 80.759904][ T5152] should_failslab+0x10/0x28 [ 80.760540][ T5152] slab_pre_alloc_hook+0x64/0xec [ 80.761300][ T5152] __kmalloc_track_caller+0x74/0x370 [ 80.762156][ T5152] kstrdup+0xe4/0x15c [ 80.762719][ T5152] kstrdup_const+0x54/0x6c [ 80.763366][ T5152] kvasprintf_const+0x118/0x2d0 [ 80.764040][ T5152] kobject_set_name_vargs+0xcc/0x1b4 [ 80.764801][ T5152] dev_set_name+0xd8/0x124 [ 80.765477][ T5152] device_add_disk+0x258/0xad0 [ 80.766169][ T5152] loop_add+0x510/0x6e0 [ 80.766796][ T5152] loop_control_ioctl+0x128/0x4d0 [ 80.767514][ T5152] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.768281][ T5152] invoke_syscall+0x98/0x2b8 [ 80.768949][ T5152] el0_svc_common+0x138/0x258 [ 80.769639][ T5152] do_el0_svc+0x58/0x14c [ 80.770276][ T5152] el0_svc+0x78/0x1e0 [ 80.770815][ T5152] el0t_64_sync_handler+0xcc/0xe4 [ 80.771553][ T5152] el0t_64_sync+0x1a0/0x1a4 [ 80.783530][ T5154] FAULT_INJECTION: forcing a failure. [ 80.783530][ T5154] name failslab, interval 1, probability 0, space 0, times 0 [ 80.785513][ T5154] CPU: 0 PID: 5154 Comm: syz.0.87 Tainted: G W syzkaller #0 [ 80.786881][ T5154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.788405][ T5154] Call trace: [ 80.788875][ T5154] dump_backtrace+0x0/0x43c [ 80.789528][ T5154] show_stack+0x2c/0x3c [ 80.790184][ T5154] __dump_stack+0x30/0x40 [ 80.790805][ T5154] dump_stack_lvl+0xf8/0x160 [ 80.791483][ T5154] dump_stack+0x1c/0x5c [ 80.792091][ T5154] should_fail+0x3c0/0x51c [ 80.792778][ T5154] __should_failslab+0xbc/0x10c [ 80.793472][ T5154] should_failslab+0x10/0x28 [ 80.794188][ T5154] slab_pre_alloc_hook+0x64/0xec [ 80.794949][ T5154] kmem_cache_alloc_trace+0x98/0x3fc [ 80.795747][ T5154] rand_initialize_disk+0x58/0xb8 [ 80.796478][ T5154] __alloc_disk_node+0x2a8/0x458 [ 80.797179][ T5154] __blk_mq_alloc_disk+0xe8/0x154 [ 80.797920][ T5154] loop_add+0x240/0x6e0 [ 80.798516][ T5154] loop_control_ioctl+0x128/0x4d0 [ 80.799241][ T5154] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.799950][ T5154] invoke_syscall+0x98/0x2b8 [ 80.800570][ T5154] el0_svc_common+0x138/0x258 [ 80.801263][ T5154] do_el0_svc+0x58/0x14c [ 80.801912][ T5154] el0_svc+0x78/0x1e0 [ 80.802507][ T5154] el0t_64_sync_handler+0xcc/0xe4 [ 80.803204][ T5154] el0t_64_sync+0x1a0/0x1a4 [ 80.819690][ T5156] FAULT_INJECTION: forcing a failure. [ 80.819690][ T5156] name failslab, interval 1, probability 0, space 0, times 0 [ 80.821678][ T5156] CPU: 1 PID: 5156 Comm: syz.0.88 Tainted: G W syzkaller #0 [ 80.823022][ T5156] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.824475][ T5156] Call trace: [ 80.824940][ T5156] dump_backtrace+0x0/0x43c [ 80.825719][ T5156] show_stack+0x2c/0x3c [ 80.826338][ T5156] __dump_stack+0x30/0x40 [ 80.826985][ T5156] dump_stack_lvl+0xf8/0x160 [ 80.827709][ T5156] dump_stack+0x1c/0x5c [ 80.828401][ T5156] should_fail+0x3c0/0x51c [ 80.829162][ T5156] __should_failslab+0xbc/0x10c [ 80.829901][ T5156] should_failslab+0x10/0x28 [ 80.830585][ T5156] slab_pre_alloc_hook+0x64/0xec [ 80.831335][ T5156] kmem_cache_alloc_trace+0x98/0x3fc [ 80.832155][ T5156] rand_initialize_disk+0x58/0xb8 [ 80.832887][ T5156] __alloc_disk_node+0x2a8/0x458 [ 80.833629][ T5156] __blk_mq_alloc_disk+0xe8/0x154 [ 80.834412][ T5156] loop_add+0x240/0x6e0 [ 80.835052][ T5156] loop_control_ioctl+0x128/0x4d0 [ 80.835787][ T5156] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.836542][ T5156] invoke_syscall+0x98/0x2b8 [ 80.837188][ T5156] el0_svc_common+0x138/0x258 [ 80.837877][ T5156] do_el0_svc+0x58/0x14c [ 80.838507][ T5156] el0_svc+0x78/0x1e0 [ 80.839082][ T5156] el0t_64_sync_handler+0xcc/0xe4 [ 80.839788][ T5156] el0t_64_sync+0x1a0/0x1a4 [ 80.850863][ T5158] FAULT_INJECTION: forcing a failure. [ 80.850863][ T5158] name failslab, interval 1, probability 0, space 0, times 0 [ 80.852837][ T5158] CPU: 0 PID: 5158 Comm: syz.0.89 Tainted: G W syzkaller #0 [ 80.854098][ T5158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.855657][ T5158] Call trace: [ 80.856131][ T5158] dump_backtrace+0x0/0x43c [ 80.856826][ T5158] show_stack+0x2c/0x3c [ 80.857504][ T5158] __dump_stack+0x30/0x40 [ 80.858172][ T5158] dump_stack_lvl+0xf8/0x160 [ 80.858873][ T5158] dump_stack+0x1c/0x5c [ 80.859526][ T5158] should_fail+0x3c0/0x51c [ 80.860221][ T5158] __should_failslab+0xbc/0x10c [ 80.860969][ T5158] should_failslab+0x10/0x28 [ 80.861648][ T5158] slab_pre_alloc_hook+0x64/0xec [ 80.862386][ T5158] kmem_cache_alloc_trace+0x98/0x3fc [ 80.863145][ T5158] rand_initialize_disk+0x58/0xb8 [ 80.863832][ T5158] __alloc_disk_node+0x2a8/0x458 [ 80.864608][ T5158] __blk_mq_alloc_disk+0xe8/0x154 [ 80.865316][ T5158] loop_add+0x240/0x6e0 [ 80.865944][ T5158] loop_control_ioctl+0x128/0x4d0 [ 80.866695][ T5158] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.867419][ T5158] invoke_syscall+0x98/0x2b8 [ 80.868054][ T5158] el0_svc_common+0x138/0x258 [ 80.868714][ T5158] do_el0_svc+0x58/0x14c [ 80.869389][ T5158] el0_svc+0x78/0x1e0 [ 80.869966][ T5158] el0t_64_sync_handler+0xcc/0xe4 [ 80.870720][ T5158] el0t_64_sync+0x1a0/0x1a4 [ 80.888185][ T5160] FAULT_INJECTION: forcing a failure. [ 80.888185][ T5160] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 80.890030][ T5160] CPU: 0 PID: 5160 Comm: syz.0.90 Tainted: G W syzkaller #0 [ 80.891211][ T5160] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.892703][ T5160] Call trace: [ 80.893138][ T5160] dump_backtrace+0x0/0x43c [ 80.893789][ T5160] show_stack+0x2c/0x3c [ 80.894397][ T5160] __dump_stack+0x30/0x40 [ 80.895069][ T5160] dump_stack_lvl+0xf8/0x160 [ 80.895773][ T5160] dump_stack+0x1c/0x5c [ 80.896430][ T5160] should_fail+0x3c0/0x51c [ 80.897101][ T5160] should_fail_alloc_page+0x74/0xa8 [ 80.897850][ T5160] prepare_alloc_pages+0x160/0x460 [ 80.898621][ T5160] __alloc_pages+0x108/0x470 [ 80.899297][ T5160] alloc_pages+0x34c/0x5c0 [ 80.899964][ T5160] new_slab+0xe0/0x55c [ 80.900556][ T5160] ___slab_alloc+0x6c0/0xda8 [ 80.901149][ T5160] __slab_alloc+0x68/0xc0 [ 80.901765][ T5160] kmem_cache_alloc+0x2ac/0x3e4 [ 80.902499][ T5160] bdev_alloc_inode+0x24/0x60 [ 80.903165][ T5160] new_inode_pseudo+0x68/0x1fc [ 80.903807][ T5160] new_inode+0x38/0x174 [ 80.904419][ T5160] bdev_alloc+0x30/0x1f8 [ 80.905019][ T5160] __alloc_disk_node+0xbc/0x458 [ 80.905736][ T5160] __blk_mq_alloc_disk+0xe8/0x154 [ 80.906477][ T5160] loop_add+0x240/0x6e0 [ 80.907039][ T5160] loop_control_ioctl+0x128/0x4d0 [ 80.907787][ T5160] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.908545][ T5160] invoke_syscall+0x98/0x2b8 [ 80.909263][ T5160] el0_svc_common+0x138/0x258 [ 80.910010][ T5160] do_el0_svc+0x58/0x14c [ 80.910634][ T5160] el0_svc+0x78/0x1e0 [ 80.911245][ T5160] el0t_64_sync_handler+0xcc/0xe4 [ 80.912008][ T5160] el0t_64_sync+0x1a0/0x1a4 [ 80.930829][ T5162] FAULT_INJECTION: forcing a failure. [ 80.930829][ T5162] name failslab, interval 1, probability 0, space 0, times 0 [ 80.932924][ T5162] CPU: 1 PID: 5162 Comm: syz.0.91 Tainted: G W syzkaller #0 [ 80.934271][ T5162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.935821][ T5162] Call trace: [ 80.936309][ T5162] dump_backtrace+0x0/0x43c [ 80.937028][ T5162] show_stack+0x2c/0x3c [ 80.937605][ T5162] __dump_stack+0x30/0x40 [ 80.938275][ T5162] dump_stack_lvl+0xf8/0x160 [ 80.938924][ T5162] dump_stack+0x1c/0x5c [ 80.939516][ T5162] should_fail+0x3c0/0x51c [ 80.940153][ T5162] __should_failslab+0xbc/0x10c [ 80.940874][ T5162] should_failslab+0x10/0x28 [ 80.941581][ T5162] slab_pre_alloc_hook+0x64/0xec [ 80.942309][ T5162] __kmalloc_track_caller+0x74/0x370 [ 80.943095][ T5162] kstrdup+0xe4/0x15c [ 80.943694][ T5162] kstrdup_const+0x54/0x6c [ 80.944442][ T5162] kvasprintf_const+0x118/0x2d0 [ 80.945196][ T5162] kobject_set_name_vargs+0xcc/0x1b4 [ 80.945974][ T5162] dev_set_name+0xd8/0x124 [ 80.946647][ T5162] device_add_disk+0x258/0xad0 [ 80.947332][ T5162] loop_add+0x510/0x6e0 [ 80.947929][ T5162] loop_control_ioctl+0x128/0x4d0 [ 80.948678][ T5162] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.949369][ T5162] invoke_syscall+0x98/0x2b8 [ 80.949999][ T5162] el0_svc_common+0x138/0x258 [ 80.950704][ T5162] do_el0_svc+0x58/0x14c [ 80.951296][ T5162] el0_svc+0x78/0x1e0 [ 80.951893][ T5162] el0t_64_sync_handler+0xcc/0xe4 [ 80.952634][ T5162] el0t_64_sync+0x1a0/0x1a4 [ 80.966040][ T5164] FAULT_INJECTION: forcing a failure. [ 80.966040][ T5164] name failslab, interval 1, probability 0, space 0, times 0 [ 80.968034][ T5164] CPU: 1 PID: 5164 Comm: syz.0.92 Tainted: G W syzkaller #0 [ 80.969233][ T5164] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.970648][ T5164] Call trace: [ 80.971149][ T5164] dump_backtrace+0x0/0x43c [ 80.971837][ T5164] show_stack+0x2c/0x3c [ 80.972390][ T5164] __dump_stack+0x30/0x40 [ 80.973002][ T5164] dump_stack_lvl+0xf8/0x160 [ 80.973678][ T5164] dump_stack+0x1c/0x5c [ 80.974383][ T5164] should_fail+0x3c0/0x51c [ 80.974995][ T5164] __should_failslab+0xbc/0x10c [ 80.975747][ T5164] should_failslab+0x10/0x28 [ 80.976344][ T5164] slab_pre_alloc_hook+0x64/0xec [ 80.977038][ T5164] __kmalloc_track_caller+0x74/0x370 [ 80.977884][ T5164] kstrdup+0xe4/0x15c [ 80.978458][ T5164] kstrdup_const+0x54/0x6c [ 80.979077][ T5164] kvasprintf_const+0x118/0x2d0 [ 80.979789][ T5164] kobject_set_name_vargs+0xcc/0x1b4 [ 80.980554][ T5164] dev_set_name+0xd8/0x124 [ 80.981188][ T5164] device_add_disk+0x258/0xad0 [ 80.981874][ T5164] loop_add+0x510/0x6e0 [ 80.982472][ T5164] loop_control_ioctl+0x128/0x4d0 [ 80.983160][ T5164] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.983915][ T5164] invoke_syscall+0x98/0x2b8 [ 80.984640][ T5164] el0_svc_common+0x138/0x258 [ 80.985404][ T5164] do_el0_svc+0x58/0x14c [ 80.986088][ T5164] el0_svc+0x78/0x1e0 [ 80.986709][ T5164] el0t_64_sync_handler+0xcc/0xe4 [ 80.987512][ T5164] el0t_64_sync+0x1a0/0x1a4 [ 80.997871][ T5166] FAULT_INJECTION: forcing a failure. [ 80.997871][ T5166] name failslab, interval 1, probability 0, space 0, times 0 [ 80.999894][ T5166] CPU: 1 PID: 5166 Comm: syz.0.93 Tainted: G W syzkaller #0 [ 81.001196][ T5166] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.002718][ T5166] Call trace: [ 81.003218][ T5166] dump_backtrace+0x0/0x43c [ 81.003907][ T5166] show_stack+0x2c/0x3c [ 81.004516][ T5166] __dump_stack+0x30/0x40 [ 81.005208][ T5166] dump_stack_lvl+0xf8/0x160 [ 81.005928][ T5166] dump_stack+0x1c/0x5c [ 81.006612][ T5166] should_fail+0x3c0/0x51c [ 81.007285][ T5166] __should_failslab+0xbc/0x10c [ 81.008011][ T5166] should_failslab+0x10/0x28 [ 81.008675][ T5166] slab_pre_alloc_hook+0x64/0xec [ 81.009444][ T5166] kmem_cache_alloc_trace+0x98/0x3fc [ 81.010290][ T5166] rand_initialize_disk+0x58/0xb8 [ 81.011031][ T5166] __alloc_disk_node+0x2a8/0x458 [ 81.011744][ T5166] __blk_mq_alloc_disk+0xe8/0x154 [ 81.012514][ T5166] loop_add+0x240/0x6e0 [ 81.013115][ T5166] loop_control_ioctl+0x128/0x4d0 [ 81.013883][ T5166] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.014541][ T5166] invoke_syscall+0x98/0x2b8 [ 81.015167][ T5166] el0_svc_common+0x138/0x258 [ 81.015868][ T5166] do_el0_svc+0x58/0x14c [ 81.016400][ T5166] el0_svc+0x78/0x1e0 [ 81.017009][ T5166] el0t_64_sync_handler+0xcc/0xe4 [ 81.017744][ T5166] el0t_64_sync+0x1a0/0x1a4 [ 81.031904][ T5168] FAULT_INJECTION: forcing a failure. [ 81.031904][ T5168] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 81.033829][ T5168] CPU: 0 PID: 5168 Comm: syz.0.94 Tainted: G W syzkaller #0 [ 81.035142][ T5168] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.036629][ T5168] Call trace: [ 81.037157][ T5168] dump_backtrace+0x0/0x43c [ 81.037816][ T5168] show_stack+0x2c/0x3c [ 81.038410][ T5168] __dump_stack+0x30/0x40 [ 81.039023][ T5168] dump_stack_lvl+0xf8/0x160 [ 81.039684][ T5168] dump_stack+0x1c/0x5c [ 81.040253][ T5168] should_fail+0x3c0/0x51c [ 81.040917][ T5168] should_fail_alloc_page+0x74/0xa8 [ 81.041668][ T5168] prepare_alloc_pages+0x160/0x460 [ 81.042387][ T5168] __alloc_pages+0x108/0x470 [ 81.043051][ T5168] alloc_pages+0x34c/0x5c0 [ 81.043658][ T5168] new_slab+0xe0/0x55c [ 81.044224][ T5168] ___slab_alloc+0x6c0/0xda8 [ 81.044855][ T5168] __slab_alloc+0x68/0xc0 [ 81.045430][ T5168] kmem_cache_alloc+0x2ac/0x3e4 [ 81.046173][ T5168] bdev_alloc_inode+0x24/0x60 [ 81.046919][ T5168] new_inode_pseudo+0x68/0x1fc [ 81.047610][ T5168] new_inode+0x38/0x174 [ 81.048254][ T5168] bdev_alloc+0x30/0x1f8 [ 81.048935][ T5168] __alloc_disk_node+0xbc/0x458 [ 81.049645][ T5168] __blk_mq_alloc_disk+0xe8/0x154 [ 81.050383][ T5168] loop_add+0x240/0x6e0 [ 81.050984][ T5168] loop_control_ioctl+0x128/0x4d0 [ 81.051720][ T5168] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.052442][ T5168] invoke_syscall+0x98/0x2b8 [ 81.053093][ T5168] el0_svc_common+0x138/0x258 [ 81.053802][ T5168] do_el0_svc+0x58/0x14c [ 81.054420][ T5168] el0_svc+0x78/0x1e0 [ 81.055034][ T5168] el0t_64_sync_handler+0xcc/0xe4 [ 81.055831][ T5168] el0t_64_sync+0x1a0/0x1a4 [ 81.068022][ T5170] FAULT_INJECTION: forcing a failure. [ 81.068022][ T5170] name failslab, interval 1, probability 0, space 0, times 0 [ 81.069928][ T5170] CPU: 0 PID: 5170 Comm: syz.0.95 Tainted: G W syzkaller #0 [ 81.071151][ T5170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.072659][ T5170] Call trace: [ 81.073184][ T5170] dump_backtrace+0x0/0x43c [ 81.073944][ T5170] show_stack+0x2c/0x3c [ 81.074551][ T5170] __dump_stack+0x30/0x40 [ 81.075217][ T5170] dump_stack_lvl+0xf8/0x160 [ 81.075904][ T5170] dump_stack+0x1c/0x5c [ 81.076534][ T5170] should_fail+0x3c0/0x51c [ 81.077213][ T5170] __should_failslab+0xbc/0x10c [ 81.078015][ T5170] should_failslab+0x10/0x28 [ 81.078734][ T5170] slab_pre_alloc_hook+0x64/0xec [ 81.079469][ T5170] __kmalloc_track_caller+0x74/0x370 [ 81.080255][ T5170] kstrdup+0xe4/0x15c [ 81.080839][ T5170] kstrdup_const+0x54/0x6c [ 81.081464][ T5170] kvasprintf_const+0x118/0x2d0 [ 81.082129][ T5170] kobject_set_name_vargs+0xcc/0x1b4 [ 81.082892][ T5170] dev_set_name+0xd8/0x124 [ 81.083510][ T5170] device_add_disk+0x258/0xad0 [ 81.084216][ T5170] loop_add+0x510/0x6e0 [ 81.084796][ T5170] loop_control_ioctl+0x128/0x4d0 [ 81.085496][ T5170] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.086210][ T5170] invoke_syscall+0x98/0x2b8 [ 81.086852][ T5170] el0_svc_common+0x138/0x258 [ 81.087528][ T5170] do_el0_svc+0x58/0x14c [ 81.088134][ T5170] el0_svc+0x78/0x1e0 [ 81.088713][ T5170] el0t_64_sync_handler+0xcc/0xe4 [ 81.089476][ T5170] el0t_64_sync+0x1a0/0x1a4 [ 81.099388][ T5172] FAULT_INJECTION: forcing a failure. [ 81.099388][ T5172] name failslab, interval 1, probability 0, space 0, times 0 [ 81.101361][ T5172] CPU: 1 PID: 5172 Comm: syz.0.96 Tainted: G W syzkaller #0 [ 81.102652][ T5172] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.104123][ T5172] Call trace: [ 81.104622][ T5172] dump_backtrace+0x0/0x43c [ 81.105334][ T5172] show_stack+0x2c/0x3c [ 81.105997][ T5172] __dump_stack+0x30/0x40 [ 81.106702][ T5172] dump_stack_lvl+0xf8/0x160 [ 81.107400][ T5172] dump_stack+0x1c/0x5c [ 81.108046][ T5172] should_fail+0x3c0/0x51c [ 81.108689][ T5172] __should_failslab+0xbc/0x10c [ 81.109455][ T5172] should_failslab+0x10/0x28 [ 81.110130][ T5172] slab_pre_alloc_hook+0x64/0xec [ 81.110868][ T5172] kmem_cache_alloc+0x94/0x3e4 [ 81.111553][ T5172] security_inode_alloc+0x38/0x11c [ 81.112297][ T5172] inode_init_always+0x670/0xa84 [ 81.113007][ T5172] new_inode_pseudo+0x7c/0x1fc [ 81.113728][ T5172] new_inode+0x38/0x174 [ 81.114365][ T5172] bdev_alloc+0x30/0x1f8 [ 81.114975][ T5172] __alloc_disk_node+0xbc/0x458 [ 81.115682][ T5172] __blk_mq_alloc_disk+0xe8/0x154 [ 81.116418][ T5172] loop_add+0x240/0x6e0 [ 81.117038][ T5172] loop_control_ioctl+0x128/0x4d0 [ 81.117759][ T5172] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.118493][ T5172] invoke_syscall+0x98/0x2b8 [ 81.119199][ T5172] el0_svc_common+0x138/0x258 [ 81.119847][ T5172] do_el0_svc+0x58/0x14c [ 81.120475][ T5172] el0_svc+0x78/0x1e0 [ 81.121060][ T5172] el0t_64_sync_handler+0xcc/0xe4 [ 81.121797][ T5172] el0t_64_sync+0x1a0/0x1a4 [ 81.130849][ T5174] FAULT_INJECTION: forcing a failure. [ 81.130849][ T5174] name failslab, interval 1, probability 0, space 0, times 0 [ 81.132775][ T5174] CPU: 0 PID: 5174 Comm: syz.0.97 Tainted: G W syzkaller #0 [ 81.134089][ T5174] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.135534][ T5174] Call trace: [ 81.136036][ T5174] dump_backtrace+0x0/0x43c [ 81.136686][ T5174] show_stack+0x2c/0x3c [ 81.137331][ T5174] __dump_stack+0x30/0x40 [ 81.138055][ T5174] dump_stack_lvl+0xf8/0x160 [ 81.138799][ T5174] dump_stack+0x1c/0x5c [ 81.139437][ T5174] should_fail+0x3c0/0x51c [ 81.140122][ T5174] __should_failslab+0xbc/0x10c [ 81.140842][ T5174] should_failslab+0x10/0x28 [ 81.141534][ T5174] slab_pre_alloc_hook+0x64/0xec [ 81.142266][ T5174] kmem_cache_alloc+0x94/0x3e4 [ 81.142961][ T5174] security_inode_alloc+0x38/0x11c [ 81.143678][ T5174] inode_init_always+0x670/0xa84 [ 81.144403][ T5174] new_inode_pseudo+0x7c/0x1fc [ 81.145121][ T5174] new_inode+0x38/0x174 [ 81.145744][ T5174] bdev_alloc+0x30/0x1f8 [ 81.146330][ T5174] __alloc_disk_node+0xbc/0x458 [ 81.146992][ T5174] __blk_mq_alloc_disk+0xe8/0x154 [ 81.147662][ T5174] loop_add+0x240/0x6e0 [ 81.148262][ T5174] loop_control_ioctl+0x128/0x4d0 [ 81.148972][ T5174] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.149666][ T5174] invoke_syscall+0x98/0x2b8 [ 81.150383][ T5174] el0_svc_common+0x138/0x258 [ 81.151047][ T5174] do_el0_svc+0x58/0x14c [ 81.151661][ T5174] el0_svc+0x78/0x1e0 [ 81.152281][ T5174] el0t_64_sync_handler+0xcc/0xe4 [ 81.153009][ T5174] el0t_64_sync+0x1a0/0x1a4 [ 81.163820][ T5176] FAULT_INJECTION: forcing a failure. [ 81.163820][ T5176] name failslab, interval 1, probability 0, space 0, times 0 [ 81.166334][ T5176] CPU: 0 PID: 5176 Comm: syz.0.98 Tainted: G W syzkaller #0 [ 81.167592][ T5176] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.168978][ T5176] Call trace: [ 81.169462][ T5176] dump_backtrace+0x0/0x43c [ 81.170056][ T5176] show_stack+0x2c/0x3c [ 81.170624][ T5176] __dump_stack+0x30/0x40 [ 81.171263][ T5176] dump_stack_lvl+0xf8/0x160 [ 81.171980][ T5176] dump_stack+0x1c/0x5c [ 81.172618][ T5176] should_fail+0x3c0/0x51c [ 81.173269][ T5176] __should_failslab+0xbc/0x10c [ 81.173985][ T5176] should_failslab+0x10/0x28 [ 81.174681][ T5176] slab_pre_alloc_hook+0x64/0xec [ 81.175418][ T5176] kmem_cache_alloc_trace+0x98/0x3fc [ 81.176145][ T5176] rand_initialize_disk+0x58/0xb8 [ 81.176907][ T5176] __alloc_disk_node+0x2a8/0x458 [ 81.177697][ T5176] __blk_mq_alloc_disk+0xe8/0x154 [ 81.178415][ T5176] loop_add+0x240/0x6e0 [ 81.179065][ T5176] loop_control_ioctl+0x128/0x4d0 [ 81.179838][ T5176] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.180540][ T5176] invoke_syscall+0x98/0x2b8 [ 81.181195][ T5176] el0_svc_common+0x138/0x258 [ 81.181886][ T5176] do_el0_svc+0x58/0x14c [ 81.182499][ T5176] el0_svc+0x78/0x1e0 [ 81.183121][ T5176] el0t_64_sync_handler+0xcc/0xe4 [ 81.183845][ T5176] el0t_64_sync+0x1a0/0x1a4 [ 81.196882][ T5178] FAULT_INJECTION: forcing a failure. [ 81.196882][ T5178] name failslab, interval 1, probability 0, space 0, times 0 [ 81.198924][ T5178] CPU: 1 PID: 5178 Comm: syz.0.99 Tainted: G W syzkaller #0 [ 81.200183][ T5178] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.201661][ T5178] Call trace: [ 81.202126][ T5178] dump_backtrace+0x0/0x43c [ 81.202749][ T5178] show_stack+0x2c/0x3c [ 81.203355][ T5178] __dump_stack+0x30/0x40 [ 81.203953][ T5178] dump_stack_lvl+0xf8/0x160 [ 81.204599][ T5178] dump_stack+0x1c/0x5c [ 81.205156][ T5178] should_fail+0x3c0/0x51c [ 81.205770][ T5178] __should_failslab+0xbc/0x10c [ 81.206476][ T5178] should_failslab+0x10/0x28 [ 81.207274][ T5178] slab_pre_alloc_hook+0x64/0xec [ 81.208133][ T5178] __kmalloc_track_caller+0x74/0x370 [ 81.208943][ T5178] kstrdup+0xe4/0x15c [ 81.209541][ T5178] kstrdup_const+0x54/0x6c [ 81.210197][ T5178] kvasprintf_const+0x118/0x2d0 [ 81.210930][ T5178] kobject_set_name_vargs+0xcc/0x1b4 [ 81.211689][ T5178] dev_set_name+0xd8/0x124 [ 81.212369][ T5178] device_add_disk+0x258/0xad0 [ 81.213047][ T5178] loop_add+0x510/0x6e0 [ 81.213644][ T5178] loop_control_ioctl+0x128/0x4d0 [ 81.214406][ T5178] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.215148][ T5178] invoke_syscall+0x98/0x2b8 [ 81.215817][ T5178] el0_svc_common+0x138/0x258 [ 81.216481][ T5178] do_el0_svc+0x58/0x14c [ 81.217042][ T5178] el0_svc+0x78/0x1e0 [ 81.217603][ T5178] el0t_64_sync_handler+0xcc/0xe4 [ 81.218365][ T5178] el0t_64_sync+0x1a0/0x1a4 [ 81.228237][ T5180] FAULT_INJECTION: forcing a failure. [ 81.228237][ T5180] name failslab, interval 1, probability 0, space 0, times 0 [ 81.230247][ T5180] CPU: 1 PID: 5180 Comm: syz.0.100 Tainted: G W syzkaller #0 [ 81.231575][ T5180] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.233068][ T5180] Call trace: [ 81.233546][ T5180] dump_backtrace+0x0/0x43c [ 81.234228][ T5180] show_stack+0x2c/0x3c [ 81.234838][ T5180] __dump_stack+0x30/0x40 [ 81.235471][ T5180] dump_stack_lvl+0xf8/0x160 [ 81.236160][ T5180] dump_stack+0x1c/0x5c [ 81.236793][ T5180] should_fail+0x3c0/0x51c [ 81.237522][ T5180] __should_failslab+0xbc/0x10c [ 81.238282][ T5180] should_failslab+0x10/0x28 [ 81.238979][ T5180] slab_pre_alloc_hook+0x64/0xec [ 81.239698][ T5180] kmem_cache_alloc+0x94/0x3e4 [ 81.240443][ T5180] security_inode_alloc+0x38/0x11c [ 81.241233][ T5180] inode_init_always+0x670/0xa84 [ 81.241939][ T5180] new_inode_pseudo+0x7c/0x1fc [ 81.242630][ T5180] new_inode+0x38/0x174 [ 81.243262][ T5180] bdev_alloc+0x30/0x1f8 [ 81.243912][ T5180] __alloc_disk_node+0xbc/0x458 [ 81.244650][ T5180] __blk_mq_alloc_disk+0xe8/0x154 [ 81.245424][ T5180] loop_add+0x240/0x6e0 [ 81.245998][ T5180] loop_control_ioctl+0x128/0x4d0 [ 81.246645][ T5180] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.247363][ T5180] invoke_syscall+0x98/0x2b8 [ 81.248040][ T5180] el0_svc_common+0x138/0x258 [ 81.248799][ T5180] do_el0_svc+0x58/0x14c [ 81.249379][ T5180] el0_svc+0x78/0x1e0 [ 81.249935][ T5180] el0t_64_sync_handler+0xcc/0xe4 [ 81.250635][ T5180] el0t_64_sync+0x1a0/0x1a4 [ 81.260037][ T5182] FAULT_INJECTION: forcing a failure. [ 81.260037][ T5182] name failslab, interval 1, probability 0, space 0, times 0 [ 81.262084][ T5182] CPU: 0 PID: 5182 Comm: syz.0.101 Tainted: G W syzkaller #0 [ 81.263365][ T5182] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.264780][ T5182] Call trace: [ 81.265252][ T5182] dump_backtrace+0x0/0x43c [ 81.265945][ T5182] show_stack+0x2c/0x3c [ 81.266572][ T5182] __dump_stack+0x30/0x40 [ 81.267242][ T5182] dump_stack_lvl+0xf8/0x160 [ 81.267883][ T5182] dump_stack+0x1c/0x5c [ 81.268483][ T5182] should_fail+0x3c0/0x51c [ 81.269124][ T5182] __should_failslab+0xbc/0x10c [ 81.269809][ T5182] should_failslab+0x10/0x28 [ 81.270444][ T5182] slab_pre_alloc_hook+0x64/0xec [ 81.271170][ T5182] __kmalloc_track_caller+0x74/0x370 [ 81.271944][ T5182] kstrdup+0xe4/0x15c [ 81.272540][ T5182] kstrdup_const+0x54/0x6c [ 81.273171][ T5182] kvasprintf_const+0x118/0x2d0 [ 81.273840][ T5182] kobject_set_name_vargs+0xcc/0x1b4 [ 81.274625][ T5182] dev_set_name+0xd8/0x124 [ 81.275277][ T5182] device_add_disk+0x258/0xad0 [ 81.275971][ T5182] loop_add+0x510/0x6e0 [ 81.276582][ T5182] loop_control_ioctl+0x128/0x4d0 [ 81.277278][ T5182] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.277966][ T5182] invoke_syscall+0x98/0x2b8 [ 81.278615][ T5182] el0_svc_common+0x138/0x258 [ 81.279280][ T5182] do_el0_svc+0x58/0x14c [ 81.279907][ T5182] el0_svc+0x78/0x1e0 [ 81.280428][ T5182] el0t_64_sync_handler+0xcc/0xe4 [ 81.281136][ T5182] el0t_64_sync+0x1a0/0x1a4 [ 81.291429][ T5184] FAULT_INJECTION: forcing a failure. [ 81.291429][ T5184] name failslab, interval 1, probability 0, space 0, times 0 [ 81.293372][ T5184] CPU: 1 PID: 5184 Comm: syz.0.102 Tainted: G W syzkaller #0 [ 81.294713][ T5184] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.296307][ T5184] Call trace: [ 81.296805][ T5184] dump_backtrace+0x0/0x43c [ 81.297498][ T5184] show_stack+0x2c/0x3c [ 81.298172][ T5184] __dump_stack+0x30/0x40 [ 81.298781][ T5184] dump_stack_lvl+0xf8/0x160 [ 81.299473][ T5184] dump_stack+0x1c/0x5c [ 81.300057][ T5184] should_fail+0x3c0/0x51c [ 81.300738][ T5184] __should_failslab+0xbc/0x10c [ 81.301497][ T5184] should_failslab+0x10/0x28 [ 81.302176][ T5184] slab_pre_alloc_hook+0x64/0xec [ 81.302955][ T5184] kmem_cache_alloc_trace+0x98/0x3fc [ 81.303769][ T5184] rand_initialize_disk+0x58/0xb8 [ 81.304534][ T5184] __alloc_disk_node+0x2a8/0x458 [ 81.305327][ T5184] __blk_mq_alloc_disk+0xe8/0x154 [ 81.306071][ T5184] loop_add+0x240/0x6e0 [ 81.306695][ T5184] loop_control_ioctl+0x128/0x4d0 [ 81.307386][ T5184] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.308110][ T5184] invoke_syscall+0x98/0x2b8 [ 81.308791][ T5184] el0_svc_common+0x138/0x258 [ 81.309447][ T5184] do_el0_svc+0x58/0x14c [ 81.310081][ T5184] el0_svc+0x78/0x1e0 [ 81.310638][ T5184] el0t_64_sync_handler+0xcc/0xe4 [ 81.311374][ T5184] el0t_64_sync+0x1a0/0x1a4 [ 81.324034][ T5186] FAULT_INJECTION: forcing a failure. [ 81.324034][ T5186] name failslab, interval 1, probability 0, space 0, times 0 [ 81.326534][ T5186] CPU: 0 PID: 5186 Comm: syz.0.103 Tainted: G W syzkaller #0 [ 81.327807][ T5186] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.329255][ T5186] Call trace: [ 81.329756][ T5186] dump_backtrace+0x0/0x43c [ 81.330367][ T5186] show_stack+0x2c/0x3c [ 81.330931][ T5186] __dump_stack+0x30/0x40 [ 81.331554][ T5186] dump_stack_lvl+0xf8/0x160 [ 81.332192][ T5186] dump_stack+0x1c/0x5c [ 81.332801][ T5186] should_fail+0x3c0/0x51c [ 81.333412][ T5186] __should_failslab+0xbc/0x10c [ 81.334101][ T5186] should_failslab+0x10/0x28 [ 81.334756][ T5186] slab_pre_alloc_hook+0x64/0xec [ 81.335489][ T5186] kmem_cache_alloc+0x94/0x3e4 [ 81.336198][ T5186] security_inode_alloc+0x38/0x11c [ 81.336944][ T5186] inode_init_always+0x670/0xa84 [ 81.337629][ T5186] new_inode_pseudo+0x7c/0x1fc [ 81.338355][ T5186] new_inode+0x38/0x174 [ 81.338939][ T5186] bdev_alloc+0x30/0x1f8 [ 81.339534][ T5186] __alloc_disk_node+0xbc/0x458 [ 81.340231][ T5186] __blk_mq_alloc_disk+0xe8/0x154 [ 81.340908][ T5186] loop_add+0x240/0x6e0 [ 81.341480][ T5186] loop_control_ioctl+0x128/0x4d0 [ 81.342172][ T5186] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.342822][ T5186] invoke_syscall+0x98/0x2b8 [ 81.343428][ T5186] el0_svc_common+0x138/0x258 [ 81.344050][ T5186] do_el0_svc+0x58/0x14c [ 81.344671][ T5186] el0_svc+0x78/0x1e0 [ 81.345260][ T5186] el0t_64_sync_handler+0xcc/0xe4 [ 81.346014][ T5186] el0t_64_sync+0x1a0/0x1a4 [ 81.354612][ T5188] FAULT_INJECTION: forcing a failure. [ 81.354612][ T5188] name failslab, interval 1, probability 0, space 0, times 0 [ 81.357498][ T5188] CPU: 0 PID: 5188 Comm: syz.0.104 Tainted: G W syzkaller #0 [ 81.358740][ T5188] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.360240][ T5188] Call trace: [ 81.360713][ T5188] dump_backtrace+0x0/0x43c [ 81.361397][ T5188] show_stack+0x2c/0x3c [ 81.362032][ T5188] __dump_stack+0x30/0x40 [ 81.362654][ T5188] dump_stack_lvl+0xf8/0x160 [ 81.363359][ T5188] dump_stack+0x1c/0x5c [ 81.363945][ T5188] should_fail+0x3c0/0x51c [ 81.364614][ T5188] __should_failslab+0xbc/0x10c [ 81.365300][ T5188] should_failslab+0x10/0x28 [ 81.366003][ T5188] slab_pre_alloc_hook+0x64/0xec [ 81.366751][ T5188] kmem_cache_alloc+0x94/0x3e4 [ 81.367433][ T5188] bdev_alloc_inode+0x24/0x60 [ 81.368126][ T5188] new_inode_pseudo+0x68/0x1fc [ 81.368871][ T5188] new_inode+0x38/0x174 [ 81.369508][ T5188] bdev_alloc+0x30/0x1f8 [ 81.370060][ T5188] __alloc_disk_node+0xbc/0x458 [ 81.370806][ T5188] __blk_mq_alloc_disk+0xe8/0x154 [ 81.371518][ T5188] loop_add+0x240/0x6e0 [ 81.372113][ T5188] loop_control_ioctl+0x128/0x4d0 [ 81.372804][ T5188] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.373561][ T5188] invoke_syscall+0x98/0x2b8 [ 81.374268][ T5188] el0_svc_common+0x138/0x258 [ 81.374971][ T5188] do_el0_svc+0x58/0x14c [ 81.375579][ T5188] el0_svc+0x78/0x1e0 [ 81.376138][ T5188] el0t_64_sync_handler+0xcc/0xe4 [ 81.376872][ T5188] el0t_64_sync+0x1a0/0x1a4 [ 81.387327][ T5190] FAULT_INJECTION: forcing a failure. [ 81.387327][ T5190] name failslab, interval 1, probability 0, space 0, times 0 [ 81.389249][ T5190] CPU: 1 PID: 5190 Comm: syz.0.105 Tainted: G W syzkaller #0 [ 81.390454][ T5190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.391839][ T5190] Call trace: [ 81.392296][ T5190] dump_backtrace+0x0/0x43c [ 81.392945][ T5190] show_stack+0x2c/0x3c [ 81.393501][ T5190] __dump_stack+0x30/0x40 [ 81.394067][ T5190] dump_stack_lvl+0xf8/0x160 [ 81.394677][ T5190] dump_stack+0x1c/0x5c [ 81.395257][ T5190] should_fail+0x3c0/0x51c [ 81.395924][ T5190] __should_failslab+0xbc/0x10c [ 81.396635][ T5190] should_failslab+0x10/0x28 [ 81.397318][ T5190] slab_pre_alloc_hook+0x64/0xec [ 81.398043][ T5190] kmem_cache_alloc+0x94/0x3e4 [ 81.398755][ T5190] security_inode_alloc+0x38/0x11c [ 81.399466][ T5190] inode_init_always+0x670/0xa84 [ 81.400125][ T5190] new_inode_pseudo+0x7c/0x1fc [ 81.400764][ T5190] new_inode+0x38/0x174 [ 81.401348][ T5190] bdev_alloc+0x30/0x1f8 [ 81.401982][ T5190] __alloc_disk_node+0xbc/0x458 [ 81.402667][ T5190] __blk_mq_alloc_disk+0xe8/0x154 [ 81.403408][ T5190] loop_add+0x240/0x6e0 [ 81.404017][ T5190] loop_control_ioctl+0x128/0x4d0 [ 81.404701][ T5190] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.405427][ T5190] invoke_syscall+0x98/0x2b8 [ 81.406088][ T5190] el0_svc_common+0x138/0x258 [ 81.406746][ T5190] do_el0_svc+0x58/0x14c [ 81.407330][ T5190] el0_svc+0x78/0x1e0 [ 81.407890][ T5190] el0t_64_sync_handler+0xcc/0xe4 [ 81.408632][ T5190] el0t_64_sync+0x1a0/0x1a4 [ 81.418655][ T5192] FAULT_INJECTION: forcing a failure. [ 81.418655][ T5192] name failslab, interval 1, probability 0, space 0, times 0 [ 81.420569][ T5192] CPU: 0 PID: 5192 Comm: syz.0.106 Tainted: G W syzkaller #0 [ 81.421777][ T5192] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.423155][ T5192] Call trace: [ 81.423625][ T5192] dump_backtrace+0x0/0x43c [ 81.424271][ T5192] show_stack+0x2c/0x3c [ 81.424848][ T5192] __dump_stack+0x30/0x40 [ 81.425442][ T5192] dump_stack_lvl+0xf8/0x160 [ 81.426068][ T5192] dump_stack+0x1c/0x5c [ 81.426698][ T5192] should_fail+0x3c0/0x51c [ 81.427312][ T5192] __should_failslab+0xbc/0x10c [ 81.428014][ T5192] should_failslab+0x10/0x28 [ 81.428697][ T5192] slab_pre_alloc_hook+0x64/0xec [ 81.429431][ T5192] kmem_cache_alloc+0x94/0x3e4 [ 81.430067][ T5192] security_inode_alloc+0x38/0x11c [ 81.430796][ T5192] inode_init_always+0x670/0xa84 [ 81.431527][ T5192] new_inode_pseudo+0x7c/0x1fc [ 81.432216][ T5192] new_inode+0x38/0x174 [ 81.432841][ T5192] bdev_alloc+0x30/0x1f8 [ 81.433432][ T5192] __alloc_disk_node+0xbc/0x458 [ 81.434109][ T5192] __blk_mq_alloc_disk+0xe8/0x154 [ 81.434822][ T5192] loop_add+0x240/0x6e0 [ 81.435433][ T5192] loop_control_ioctl+0x128/0x4d0 [ 81.436185][ T5192] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.436908][ T5192] invoke_syscall+0x98/0x2b8 [ 81.437606][ T5192] el0_svc_common+0x138/0x258 [ 81.438282][ T5192] do_el0_svc+0x58/0x14c [ 81.438918][ T5192] el0_svc+0x78/0x1e0 [ 81.439461][ T5192] el0t_64_sync_handler+0xcc/0xe4 [ 81.440206][ T5192] el0t_64_sync+0x1a0/0x1a4 [ 81.451606][ T5194] FAULT_INJECTION: forcing a failure. [ 81.451606][ T5194] name failslab, interval 1, probability 0, space 0, times 0 [ 81.453594][ T5194] CPU: 1 PID: 5194 Comm: syz.0.107 Tainted: G W syzkaller #0 [ 81.454903][ T5194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.456411][ T5194] Call trace: [ 81.456862][ T5194] dump_backtrace+0x0/0x43c [ 81.457508][ T5194] show_stack+0x2c/0x3c [ 81.458128][ T5194] __dump_stack+0x30/0x40 [ 81.458756][ T5194] dump_stack_lvl+0xf8/0x160 [ 81.459436][ T5194] dump_stack+0x1c/0x5c [ 81.460026][ T5194] should_fail+0x3c0/0x51c [ 81.460662][ T5194] __should_failslab+0xbc/0x10c [ 81.461369][ T5194] should_failslab+0x10/0x28 [ 81.462052][ T5194] slab_pre_alloc_hook+0x64/0xec [ 81.462789][ T5194] kmem_cache_alloc+0x94/0x3e4 [ 81.463495][ T5194] security_inode_alloc+0x38/0x11c [ 81.464264][ T5194] inode_init_always+0x670/0xa84 [ 81.464893][ T5194] new_inode_pseudo+0x7c/0x1fc [ 81.465571][ T5194] new_inode+0x38/0x174 [ 81.466177][ T5194] bdev_alloc+0x30/0x1f8 [ 81.466800][ T5194] __alloc_disk_node+0xbc/0x458 [ 81.467527][ T5194] __blk_mq_alloc_disk+0xe8/0x154 [ 81.468237][ T5194] loop_add+0x240/0x6e0 [ 81.468853][ T5194] loop_control_ioctl+0x128/0x4d0 [ 81.469571][ T5194] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.470279][ T5194] invoke_syscall+0x98/0x2b8 [ 81.470927][ T5194] el0_svc_common+0x138/0x258 [ 81.471515][ T5194] do_el0_svc+0x58/0x14c [ 81.472110][ T5194] el0_svc+0x78/0x1e0 [ 81.472660][ T5194] el0t_64_sync_handler+0xcc/0xe4 [ 81.473363][ T5194] el0t_64_sync+0x1a0/0x1a4 [ 81.482326][ T5196] FAULT_INJECTION: forcing a failure. [ 81.482326][ T5196] name failslab, interval 1, probability 0, space 0, times 0 [ 81.484241][ T5196] CPU: 1 PID: 5196 Comm: syz.0.108 Tainted: G W syzkaller #0 [ 81.485544][ T5196] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.487168][ T5196] Call trace: [ 81.487731][ T5196] dump_backtrace+0x0/0x43c [ 81.488442][ T5196] show_stack+0x2c/0x3c [ 81.489087][ T5196] __dump_stack+0x30/0x40 [ 81.489763][ T5196] dump_stack_lvl+0xf8/0x160 [ 81.490476][ T5196] dump_stack+0x1c/0x5c [ 81.491101][ T5196] should_fail+0x3c0/0x51c [ 81.491780][ T5196] __should_failslab+0xbc/0x10c [ 81.492541][ T5196] should_failslab+0x10/0x28 [ 81.493256][ T5196] slab_pre_alloc_hook+0x64/0xec [ 81.493987][ T5196] kmem_cache_alloc+0x94/0x3e4 [ 81.494716][ T5196] bdev_alloc_inode+0x24/0x60 [ 81.495423][ T5196] new_inode_pseudo+0x68/0x1fc [ 81.496071][ T5196] new_inode+0x38/0x174 [ 81.496664][ T5196] bdev_alloc+0x30/0x1f8 [ 81.497279][ T5196] __alloc_disk_node+0xbc/0x458 [ 81.497921][ T5196] __blk_mq_alloc_disk+0xe8/0x154 [ 81.498610][ T5196] loop_add+0x240/0x6e0 [ 81.499200][ T5196] loop_control_ioctl+0x128/0x4d0 [ 81.499939][ T5196] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.500684][ T5196] invoke_syscall+0x98/0x2b8 [ 81.501363][ T5196] el0_svc_common+0x138/0x258 [ 81.502014][ T5196] do_el0_svc+0x58/0x14c [ 81.502618][ T5196] el0_svc+0x78/0x1e0 [ 81.503185][ T5196] el0t_64_sync_handler+0xcc/0xe4 [ 81.503894][ T5196] el0t_64_sync+0x1a0/0x1a4 [ 81.513236][ T5198] FAULT_INJECTION: forcing a failure. [ 81.513236][ T5198] name failslab, interval 1, probability 0, space 0, times 0 [ 81.515073][ T5198] CPU: 1 PID: 5198 Comm: syz.0.109 Tainted: G W syzkaller #0 [ 81.516339][ T5198] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.517744][ T5198] Call trace: [ 81.518243][ T5198] dump_backtrace+0x0/0x43c [ 81.518884][ T5198] show_stack+0x2c/0x3c [ 81.519481][ T5198] __dump_stack+0x30/0x40 [ 81.520090][ T5198] dump_stack_lvl+0xf8/0x160 [ 81.520703][ T5198] dump_stack+0x1c/0x5c [ 81.521324][ T5198] should_fail+0x3c0/0x51c [ 81.522042][ T5198] __should_failslab+0xbc/0x10c [ 81.522795][ T5198] should_failslab+0x10/0x28 [ 81.523568][ T5198] slab_pre_alloc_hook+0x64/0xec [ 81.524431][ T5198] kmem_cache_alloc+0x94/0x3e4 [ 81.525215][ T5198] security_inode_alloc+0x38/0x11c [ 81.526024][ T5198] inode_init_always+0x670/0xa84 [ 81.526760][ T5198] new_inode_pseudo+0x7c/0x1fc [ 81.527494][ T5198] new_inode+0x38/0x174 [ 81.528062][ T5198] bdev_alloc+0x30/0x1f8 [ 81.528691][ T5198] __alloc_disk_node+0xbc/0x458 [ 81.529432][ T5198] __blk_mq_alloc_disk+0xe8/0x154 [ 81.530205][ T5198] loop_add+0x240/0x6e0 [ 81.530781][ T5198] loop_control_ioctl+0x128/0x4d0 [ 81.531544][ T5198] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.532249][ T5198] invoke_syscall+0x98/0x2b8 [ 81.532864][ T5198] el0_svc_common+0x138/0x258 [ 81.533543][ T5198] do_el0_svc+0x58/0x14c [ 81.534136][ T5198] el0_svc+0x78/0x1e0 [ 81.534713][ T5198] el0t_64_sync_handler+0xcc/0xe4 [ 81.535445][ T5198] el0t_64_sync+0x1a0/0x1a4 [ 81.545282][ T5200] FAULT_INJECTION: forcing a failure. [ 81.545282][ T5200] name failslab, interval 1, probability 0, space 0, times 0 [ 81.547189][ T5200] CPU: 1 PID: 5200 Comm: syz.0.110 Tainted: G W syzkaller #0 [ 81.548421][ T5200] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.549896][ T5200] Call trace: [ 81.550357][ T5200] dump_backtrace+0x0/0x43c [ 81.550997][ T5200] show_stack+0x2c/0x3c [ 81.551610][ T5200] __dump_stack+0x30/0x40 [ 81.552302][ T5200] dump_stack_lvl+0xf8/0x160 [ 81.552935][ T5200] dump_stack+0x1c/0x5c [ 81.553549][ T5200] should_fail+0x3c0/0x51c [ 81.554188][ T5200] __should_failslab+0xbc/0x10c [ 81.554903][ T5200] should_failslab+0x10/0x28 [ 81.555530][ T5200] slab_pre_alloc_hook+0x64/0xec [ 81.556230][ T5200] kmem_cache_alloc_trace+0x98/0x3fc [ 81.556989][ T5200] rand_initialize_disk+0x58/0xb8 [ 81.557773][ T5200] __alloc_disk_node+0x2a8/0x458 [ 81.558532][ T5200] __blk_mq_alloc_disk+0xe8/0x154 [ 81.559312][ T5200] loop_add+0x240/0x6e0 [ 81.559973][ T5200] loop_control_ioctl+0x128/0x4d0 [ 81.560762][ T5200] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.561503][ T5200] invoke_syscall+0x98/0x2b8 [ 81.562169][ T5200] el0_svc_common+0x138/0x258 [ 81.562863][ T5200] do_el0_svc+0x58/0x14c [ 81.563504][ T5200] el0_svc+0x78/0x1e0 [ 81.564071][ T5200] el0t_64_sync_handler+0xcc/0xe4 [ 81.564840][ T5200] el0t_64_sync+0x1a0/0x1a4 [ 81.579681][ T5202] FAULT_INJECTION: forcing a failure. [ 81.579681][ T5202] name failslab, interval 1, probability 0, space 0, times 0 [ 81.581749][ T5202] CPU: 0 PID: 5202 Comm: syz.0.111 Tainted: G W syzkaller #0 [ 81.583100][ T5202] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.584612][ T5202] Call trace: [ 81.585094][ T5202] dump_backtrace+0x0/0x43c [ 81.585752][ T5202] show_stack+0x2c/0x3c [ 81.586364][ T5202] __dump_stack+0x30/0x40 [ 81.587047][ T5202] dump_stack_lvl+0xf8/0x160 [ 81.587756][ T5202] dump_stack+0x1c/0x5c [ 81.588396][ T5202] should_fail+0x3c0/0x51c [ 81.589053][ T5202] __should_failslab+0xbc/0x10c [ 81.589791][ T5202] should_failslab+0x10/0x28 [ 81.590443][ T5202] slab_pre_alloc_hook+0x64/0xec [ 81.591248][ T5202] kmem_cache_alloc_trace+0x98/0x3fc [ 81.592013][ T5202] rand_initialize_disk+0x58/0xb8 [ 81.592768][ T5202] __alloc_disk_node+0x2a8/0x458 [ 81.593454][ T5202] __blk_mq_alloc_disk+0xe8/0x154 [ 81.594165][ T5202] loop_add+0x240/0x6e0 [ 81.594819][ T5202] loop_control_ioctl+0x128/0x4d0 [ 81.595623][ T5202] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.596335][ T5202] invoke_syscall+0x98/0x2b8 [ 81.597033][ T5202] el0_svc_common+0x138/0x258 [ 81.597685][ T5202] do_el0_svc+0x58/0x14c [ 81.598319][ T5202] el0_svc+0x78/0x1e0 [ 81.598902][ T5202] el0t_64_sync_handler+0xcc/0xe4 [ 81.599593][ T5202] el0t_64_sync+0x1a0/0x1a4 [ 81.613642][ T5204] FAULT_INJECTION: forcing a failure. [ 81.613642][ T5204] name failslab, interval 1, probability 0, space 0, times 0 [ 81.615503][ T5204] CPU: 1 PID: 5204 Comm: syz.0.112 Tainted: G W syzkaller #0 [ 81.616743][ T5204] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.618134][ T5204] Call trace: [ 81.618612][ T5204] dump_backtrace+0x0/0x43c [ 81.619273][ T5204] show_stack+0x2c/0x3c [ 81.619932][ T5204] __dump_stack+0x30/0x40 [ 81.620569][ T5204] dump_stack_lvl+0xf8/0x160 [ 81.621220][ T5204] dump_stack+0x1c/0x5c [ 81.621837][ T5204] should_fail+0x3c0/0x51c [ 81.622435][ T5204] __should_failslab+0xbc/0x10c [ 81.623136][ T5204] should_failslab+0x10/0x28 [ 81.623818][ T5204] slab_pre_alloc_hook+0x64/0xec [ 81.624490][ T5204] __kmalloc_track_caller+0x74/0x370 [ 81.625211][ T5204] kstrdup+0xe4/0x15c [ 81.625762][ T5204] kstrdup_const+0x54/0x6c [ 81.626418][ T5204] kvasprintf_const+0x118/0x2d0 [ 81.627054][ T5204] kobject_set_name_vargs+0xcc/0x1b4 [ 81.627830][ T5204] dev_set_name+0xd8/0x124 [ 81.628457][ T5204] device_add_disk+0x258/0xad0 [ 81.629111][ T5204] loop_add+0x510/0x6e0 [ 81.629760][ T5204] loop_control_ioctl+0x128/0x4d0 [ 81.630507][ T5204] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.631207][ T5204] invoke_syscall+0x98/0x2b8 [ 81.631866][ T5204] el0_svc_common+0x138/0x258 [ 81.632567][ T5204] do_el0_svc+0x58/0x14c [ 81.633200][ T5204] el0_svc+0x78/0x1e0 [ 81.633765][ T5204] el0t_64_sync_handler+0xcc/0xe4 [ 81.634499][ T5204] el0t_64_sync+0x1a0/0x1a4 [ 81.644460][ T5206] FAULT_INJECTION: forcing a failure. [ 81.644460][ T5206] name failslab, interval 1, probability 0, space 0, times 0 [ 81.646711][ T5206] CPU: 1 PID: 5206 Comm: syz.0.113 Tainted: G W syzkaller #0 [ 81.647977][ T5206] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.649517][ T5206] Call trace: [ 81.649972][ T5206] dump_backtrace+0x0/0x43c [ 81.650619][ T5206] show_stack+0x2c/0x3c [ 81.651260][ T5206] __dump_stack+0x30/0x40 [ 81.651900][ T5206] dump_stack_lvl+0xf8/0x160 [ 81.652607][ T5206] dump_stack+0x1c/0x5c [ 81.653195][ T5206] should_fail+0x3c0/0x51c [ 81.653870][ T5206] __should_failslab+0xbc/0x10c [ 81.654574][ T5206] should_failslab+0x10/0x28 [ 81.655204][ T5206] slab_pre_alloc_hook+0x64/0xec [ 81.655964][ T5206] kmem_cache_alloc_trace+0x98/0x3fc [ 81.656752][ T5206] rand_initialize_disk+0x58/0xb8 [ 81.657474][ T5206] __alloc_disk_node+0x2a8/0x458 [ 81.658150][ T5206] __blk_mq_alloc_disk+0xe8/0x154 [ 81.658834][ T5206] loop_add+0x240/0x6e0 [ 81.659398][ T5206] loop_control_ioctl+0x128/0x4d0 [ 81.660105][ T5206] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.660844][ T5206] invoke_syscall+0x98/0x2b8 [ 81.661483][ T5206] el0_svc_common+0x138/0x258 [ 81.662173][ T5206] do_el0_svc+0x58/0x14c [ 81.662794][ T5206] el0_svc+0x78/0x1e0 [ 81.663342][ T5206] el0t_64_sync_handler+0xcc/0xe4 [ 81.664051][ T5206] el0t_64_sync+0x1a0/0x1a4 [ 81.675404][ T5208] FAULT_INJECTION: forcing a failure. [ 81.675404][ T5208] name failslab, interval 1, probability 0, space 0, times 0 [ 81.677933][ T5208] CPU: 0 PID: 5208 Comm: syz.0.114 Tainted: G W syzkaller #0 [ 81.679145][ T5208] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.680517][ T5208] Call trace: [ 81.680969][ T5208] dump_backtrace+0x0/0x43c [ 81.681643][ T5208] show_stack+0x2c/0x3c [ 81.682212][ T5208] __dump_stack+0x30/0x40 [ 81.682803][ T5208] dump_stack_lvl+0xf8/0x160 [ 81.683395][ T5208] dump_stack+0x1c/0x5c [ 81.683940][ T5208] should_fail+0x3c0/0x51c [ 81.684558][ T5208] __should_failslab+0xbc/0x10c [ 81.685172][ T5208] should_failslab+0x10/0x28 [ 81.685803][ T5208] slab_pre_alloc_hook+0x64/0xec [ 81.686505][ T5208] __kmalloc_track_caller+0x74/0x370 [ 81.687259][ T5208] kstrdup+0xe4/0x15c [ 81.687867][ T5208] kstrdup_const+0x54/0x6c [ 81.688467][ T5208] kvasprintf_const+0x118/0x2d0 [ 81.689097][ T5208] kobject_set_name_vargs+0xcc/0x1b4 [ 81.689846][ T5208] dev_set_name+0xd8/0x124 [ 81.690462][ T5208] device_add_disk+0x258/0xad0 [ 81.691065][ T5208] loop_add+0x510/0x6e0 [ 81.691649][ T5208] loop_control_ioctl+0x128/0x4d0 [ 81.692430][ T5208] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.693127][ T5208] invoke_syscall+0x98/0x2b8 [ 81.693737][ T5208] el0_svc_common+0x138/0x258 [ 81.694409][ T5208] do_el0_svc+0x58/0x14c [ 81.695063][ T5208] el0_svc+0x78/0x1e0 [ 81.695689][ T5208] el0t_64_sync_handler+0xcc/0xe4 [ 81.696415][ T5208] el0t_64_sync+0x1a0/0x1a4 [ 81.710668][ T5210] FAULT_INJECTION: forcing a failure. [ 81.710668][ T5210] name failslab, interval 1, probability 0, space 0, times 0 [ 81.712454][ T5210] CPU: 1 PID: 5210 Comm: syz.0.115 Tainted: G W syzkaller #0 [ 81.713846][ T5210] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.715454][ T5210] Call trace: [ 81.715951][ T5210] dump_backtrace+0x0/0x43c [ 81.716640][ T5210] show_stack+0x2c/0x3c [ 81.717257][ T5210] __dump_stack+0x30/0x40 [ 81.717924][ T5210] dump_stack_lvl+0xf8/0x160 [ 81.718671][ T5210] dump_stack+0x1c/0x5c [ 81.719261][ T5210] should_fail+0x3c0/0x51c [ 81.719883][ T5210] __should_failslab+0xbc/0x10c [ 81.720605][ T5210] should_failslab+0x10/0x28 [ 81.721251][ T5210] slab_pre_alloc_hook+0x64/0xec [ 81.721991][ T5210] __kmalloc_node+0xb8/0x520 [ 81.722625][ T5210] memcg_alloc_page_obj_cgroups+0x80/0x174 [ 81.723495][ T5210] new_slab+0x114/0x55c [ 81.724119][ T5210] ___slab_alloc+0x6c0/0xda8 [ 81.724755][ T5210] __slab_alloc+0x68/0xc0 [ 81.725373][ T5210] kmem_cache_alloc+0x2ac/0x3e4 [ 81.726022][ T5210] bdev_alloc_inode+0x24/0x60 [ 81.726680][ T5210] new_inode_pseudo+0x68/0x1fc [ 81.727331][ T5210] new_inode+0x38/0x174 [ 81.727917][ T5210] bdev_alloc+0x30/0x1f8 [ 81.728444][ T5210] __alloc_disk_node+0xbc/0x458 [ 81.729157][ T5210] __blk_mq_alloc_disk+0xe8/0x154 [ 81.729860][ T5210] loop_add+0x240/0x6e0 [ 81.730492][ T5210] loop_control_ioctl+0x128/0x4d0 [ 81.731218][ T5210] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.731932][ T5210] invoke_syscall+0x98/0x2b8 [ 81.732607][ T5210] el0_svc_common+0x138/0x258 [ 81.733265][ T5210] do_el0_svc+0x58/0x14c [ 81.733848][ T5210] el0_svc+0x78/0x1e0 [ 81.734412][ T5210] el0t_64_sync_handler+0xcc/0xe4 [ 81.735109][ T5210] el0t_64_sync+0x1a0/0x1a4 [ 81.746899][ T5212] FAULT_INJECTION: forcing a failure. [ 81.746899][ T5212] name failslab, interval 1, probability 0, space 0, times 0 [ 81.748709][ T5212] CPU: 1 PID: 5212 Comm: syz.0.116 Tainted: G W syzkaller #0 [ 81.749906][ T5212] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.751341][ T5212] Call trace: [ 81.751805][ T5212] dump_backtrace+0x0/0x43c [ 81.752413][ T5212] show_stack+0x2c/0x3c [ 81.752991][ T5212] __dump_stack+0x30/0x40 [ 81.753607][ T5212] dump_stack_lvl+0xf8/0x160 [ 81.754245][ T5212] dump_stack+0x1c/0x5c [ 81.754887][ T5212] should_fail+0x3c0/0x51c [ 81.755513][ T5212] __should_failslab+0xbc/0x10c [ 81.756207][ T5212] should_failslab+0x10/0x28 [ 81.756874][ T5212] slab_pre_alloc_hook+0x64/0xec [ 81.757568][ T5212] __kmalloc_track_caller+0x74/0x370 [ 81.758301][ T5212] kstrdup+0xe4/0x15c [ 81.758906][ T5212] kstrdup_const+0x54/0x6c [ 81.759607][ T5212] kvasprintf_const+0x118/0x2d0 [ 81.760419][ T5212] kobject_set_name_vargs+0xcc/0x1b4 [ 81.761250][ T5212] dev_set_name+0xd8/0x124 [ 81.761898][ T5212] device_add_disk+0x258/0xad0 [ 81.762588][ T5212] loop_add+0x510/0x6e0 [ 81.763211][ T5212] loop_control_ioctl+0x128/0x4d0 [ 81.764016][ T5212] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.764819][ T5212] invoke_syscall+0x98/0x2b8 [ 81.765464][ T5212] el0_svc_common+0x138/0x258 [ 81.766188][ T5212] do_el0_svc+0x58/0x14c [ 81.766827][ T5212] el0_svc+0x78/0x1e0 [ 81.767399][ T5212] el0t_64_sync_handler+0xcc/0xe4 [ 81.768160][ T5212] el0t_64_sync+0x1a0/0x1a4 [ 81.777578][ T5214] FAULT_INJECTION: forcing a failure. [ 81.777578][ T5214] name failslab, interval 1, probability 0, space 0, times 0 [ 81.779588][ T5214] CPU: 0 PID: 5214 Comm: syz.0.117 Tainted: G W syzkaller #0 [ 81.780932][ T5214] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.782511][ T5214] Call trace: [ 81.783020][ T5214] dump_backtrace+0x0/0x43c [ 81.783670][ T5214] show_stack+0x2c/0x3c [ 81.784280][ T5214] __dump_stack+0x30/0x40 [ 81.784875][ T5214] dump_stack_lvl+0xf8/0x160 [ 81.785542][ T5214] dump_stack+0x1c/0x5c [ 81.786154][ T5214] should_fail+0x3c0/0x51c [ 81.786811][ T5214] __should_failslab+0xbc/0x10c [ 81.787536][ T5214] should_failslab+0x10/0x28 [ 81.788197][ T5214] slab_pre_alloc_hook+0x64/0xec [ 81.788947][ T5214] kmem_cache_alloc+0x94/0x3e4 [ 81.789644][ T5214] security_inode_alloc+0x38/0x11c [ 81.790461][ T5214] inode_init_always+0x670/0xa84 [ 81.791222][ T5214] new_inode_pseudo+0x7c/0x1fc [ 81.791935][ T5214] new_inode+0x38/0x174 [ 81.792559][ T5214] bdev_alloc+0x30/0x1f8 [ 81.793215][ T5214] __alloc_disk_node+0xbc/0x458 [ 81.793952][ T5214] __blk_mq_alloc_disk+0xe8/0x154 [ 81.794650][ T5214] loop_add+0x240/0x6e0 [ 81.795288][ T5214] loop_control_ioctl+0x128/0x4d0 [ 81.795998][ T5214] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.796755][ T5214] invoke_syscall+0x98/0x2b8 [ 81.797394][ T5214] el0_svc_common+0x138/0x258 [ 81.798094][ T5214] do_el0_svc+0x58/0x14c [ 81.798741][ T5214] el0_svc+0x78/0x1e0 [ 81.799319][ T5214] el0t_64_sync_handler+0xcc/0xe4 [ 81.800058][ T5214] el0t_64_sync+0x1a0/0x1a4 [ 81.811010][ T5216] FAULT_INJECTION: forcing a failure. [ 81.811010][ T5216] name failslab, interval 1, probability 0, space 0, times 0 [ 81.812968][ T5216] CPU: 0 PID: 5216 Comm: syz.0.118 Tainted: G W syzkaller #0 [ 81.814314][ T5216] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.815860][ T5216] Call trace: [ 81.816360][ T5216] dump_backtrace+0x0/0x43c [ 81.817042][ T5216] show_stack+0x2c/0x3c [ 81.817718][ T5216] __dump_stack+0x30/0x40 [ 81.818421][ T5216] dump_stack_lvl+0xf8/0x160 [ 81.819121][ T5216] dump_stack+0x1c/0x5c [ 81.819718][ T5216] should_fail+0x3c0/0x51c [ 81.820349][ T5216] __should_failslab+0xbc/0x10c [ 81.820996][ T5216] should_failslab+0x10/0x28 [ 81.821632][ T5216] slab_pre_alloc_hook+0x64/0xec [ 81.822366][ T5216] __kmalloc_track_caller+0x74/0x370 [ 81.823200][ T5216] kstrdup+0xe4/0x15c [ 81.823762][ T5216] kstrdup_const+0x54/0x6c [ 81.824463][ T5216] kvasprintf_const+0x118/0x2d0 [ 81.825217][ T5216] kobject_set_name_vargs+0xcc/0x1b4 [ 81.825996][ T5216] dev_set_name+0xd8/0x124 [ 81.826629][ T5216] device_add_disk+0x258/0xad0 [ 81.827378][ T5216] loop_add+0x510/0x6e0 [ 81.827967][ T5216] loop_control_ioctl+0x128/0x4d0 [ 81.828668][ T5216] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.829381][ T5216] invoke_syscall+0x98/0x2b8 [ 81.830063][ T5216] el0_svc_common+0x138/0x258 [ 81.830757][ T5216] do_el0_svc+0x58/0x14c [ 81.831419][ T5216] el0_svc+0x78/0x1e0 [ 81.831967][ T5216] el0t_64_sync_handler+0xcc/0xe4 [ 81.832752][ T5216] el0t_64_sync+0x1a0/0x1a4 [ 81.843055][ T5218] FAULT_INJECTION: forcing a failure. [ 81.843055][ T5218] name failslab, interval 1, probability 0, space 0, times 0 [ 81.845044][ T5218] CPU: 1 PID: 5218 Comm: syz.0.119 Tainted: G W syzkaller #0 [ 81.846371][ T5218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.847957][ T5218] Call trace: [ 81.848448][ T5218] dump_backtrace+0x0/0x43c [ 81.849145][ T5218] show_stack+0x2c/0x3c [ 81.849734][ T5218] __dump_stack+0x30/0x40 [ 81.850381][ T5218] dump_stack_lvl+0xf8/0x160 [ 81.851049][ T5218] dump_stack+0x1c/0x5c [ 81.851629][ T5218] should_fail+0x3c0/0x51c [ 81.852357][ T5218] __should_failslab+0xbc/0x10c [ 81.853090][ T5218] should_failslab+0x10/0x28 [ 81.853785][ T5218] slab_pre_alloc_hook+0x64/0xec [ 81.854518][ T5218] __kmalloc_track_caller+0x74/0x370 [ 81.855297][ T5218] kstrdup+0xe4/0x15c [ 81.855875][ T5218] kstrdup_const+0x54/0x6c [ 81.856537][ T5218] kvasprintf_const+0x118/0x2d0 [ 81.857249][ T5218] kobject_set_name_vargs+0xcc/0x1b4 [ 81.858017][ T5218] dev_set_name+0xd8/0x124 [ 81.858652][ T5218] device_add_disk+0x258/0xad0 [ 81.859324][ T5218] loop_add+0x510/0x6e0 [ 81.859996][ T5218] loop_control_ioctl+0x128/0x4d0 [ 81.860683][ T5218] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.861439][ T5218] invoke_syscall+0x98/0x2b8 [ 81.862128][ T5218] el0_svc_common+0x138/0x258 [ 81.862826][ T5218] do_el0_svc+0x58/0x14c [ 81.863485][ T5218] el0_svc+0x78/0x1e0 [ 81.864096][ T5218] el0t_64_sync_handler+0xcc/0xe4 [ 81.864885][ T5218] el0t_64_sync+0x1a0/0x1a4 [ 81.873790][ T5220] FAULT_INJECTION: forcing a failure. [ 81.873790][ T5220] name failslab, interval 1, probability 0, space 0, times 0 [ 81.876231][ T5220] CPU: 0 PID: 5220 Comm: syz.0.120 Tainted: G W syzkaller #0 [ 81.877491][ T5220] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.878967][ T5220] Call trace: [ 81.879417][ T5220] dump_backtrace+0x0/0x43c [ 81.880028][ T5220] show_stack+0x2c/0x3c [ 81.880623][ T5220] __dump_stack+0x30/0x40 [ 81.881247][ T5220] dump_stack_lvl+0xf8/0x160 [ 81.881981][ T5220] dump_stack+0x1c/0x5c [ 81.882605][ T5220] should_fail+0x3c0/0x51c [ 81.883273][ T5220] __should_failslab+0xbc/0x10c [ 81.883999][ T5220] should_failslab+0x10/0x28 [ 81.884700][ T5220] slab_pre_alloc_hook+0x64/0xec [ 81.885384][ T5220] kmem_cache_alloc+0x94/0x3e4 [ 81.886136][ T5220] security_inode_alloc+0x38/0x11c [ 81.886900][ T5220] inode_init_always+0x670/0xa84 [ 81.887568][ T5220] new_inode_pseudo+0x7c/0x1fc [ 81.888299][ T5220] new_inode+0x38/0x174 [ 81.888899][ T5220] bdev_alloc+0x30/0x1f8 [ 81.889483][ T5220] __alloc_disk_node+0xbc/0x458 [ 81.890242][ T5220] __blk_mq_alloc_disk+0xe8/0x154 [ 81.890967][ T5220] loop_add+0x240/0x6e0 [ 81.891506][ T5220] loop_control_ioctl+0x128/0x4d0 [ 81.892194][ T5220] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.892940][ T5220] invoke_syscall+0x98/0x2b8 [ 81.893565][ T5220] el0_svc_common+0x138/0x258 [ 81.894214][ T5220] do_el0_svc+0x58/0x14c [ 81.894844][ T5220] el0_svc+0x78/0x1e0 [ 81.895381][ T5220] el0t_64_sync_handler+0xcc/0xe4 [ 81.896125][ T5220] el0t_64_sync+0x1a0/0x1a4 [ 81.904613][ T5222] FAULT_INJECTION: forcing a failure. [ 81.904613][ T5222] name failslab, interval 1, probability 0, space 0, times 0 [ 81.906539][ T5222] CPU: 1 PID: 5222 Comm: syz.0.121 Tainted: G W syzkaller #0 [ 81.907834][ T5222] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.909309][ T5222] Call trace: [ 81.909841][ T5222] dump_backtrace+0x0/0x43c [ 81.910578][ T5222] show_stack+0x2c/0x3c [ 81.911195][ T5222] __dump_stack+0x30/0x40 [ 81.911863][ T5222] dump_stack_lvl+0xf8/0x160 [ 81.912553][ T5222] dump_stack+0x1c/0x5c [ 81.913160][ T5222] should_fail+0x3c0/0x51c [ 81.913826][ T5222] __should_failslab+0xbc/0x10c [ 81.914563][ T5222] should_failslab+0x10/0x28 [ 81.915297][ T5222] slab_pre_alloc_hook+0x64/0xec [ 81.915994][ T5222] kmem_cache_alloc+0x94/0x3e4 [ 81.916705][ T5222] __debug_object_init+0x75c/0x98c [ 81.917492][ T5222] debug_object_init+0x20/0x2c [ 81.918232][ T5222] __percpu_counter_init+0x10c/0x26c [ 81.918972][ T5222] blkg_rwstat_init+0xa0/0x2b8 [ 81.919630][ T5222] throtl_pd_alloc+0xf0/0x4ec [ 81.920263][ T5222] blkcg_activate_policy+0x204/0xa8c [ 81.921113][ T5222] blk_throtl_init+0x308/0x3ec [ 81.921816][ T5222] blkcg_init_queue+0x3cc/0x484 [ 81.922554][ T5222] blk_alloc_queue+0x3cc/0x4a0 [ 81.923278][ T5222] __blk_mq_alloc_disk+0x5c/0x154 [ 81.924039][ T5222] loop_add+0x240/0x6e0 [ 81.924695][ T5222] loop_control_ioctl+0x128/0x4d0 [ 81.925405][ T5222] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.926121][ T5222] invoke_syscall+0x98/0x2b8 [ 81.926784][ T5222] el0_svc_common+0x138/0x258 [ 81.927454][ T5222] do_el0_svc+0x58/0x14c [ 81.928041][ T5222] el0_svc+0x78/0x1e0 [ 81.928650][ T5222] el0t_64_sync_handler+0xcc/0xe4 [ 81.929356][ T5222] el0t_64_sync+0x1a0/0x1a4 [ 81.945159][ T5224] FAULT_INJECTION: forcing a failure. [ 81.945159][ T5224] name failslab, interval 1, probability 0, space 0, times 0 [ 81.947030][ T5224] CPU: 0 PID: 5224 Comm: syz.0.122 Tainted: G W syzkaller #0 [ 81.948304][ T5224] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.949819][ T5224] Call trace: [ 81.950291][ T5224] dump_backtrace+0x0/0x43c [ 81.950911][ T5224] show_stack+0x2c/0x3c [ 81.951472][ T5224] __dump_stack+0x30/0x40 [ 81.952097][ T5224] dump_stack_lvl+0xf8/0x160 [ 81.952724][ T5224] dump_stack+0x1c/0x5c [ 81.953293][ T5224] should_fail+0x3c0/0x51c [ 81.953956][ T5224] __should_failslab+0xbc/0x10c [ 81.954702][ T5224] should_failslab+0x10/0x28 [ 81.955468][ T5224] slab_pre_alloc_hook+0x64/0xec [ 81.956206][ T5224] kmem_cache_alloc+0x94/0x3e4 [ 81.957005][ T5224] __debug_object_init+0x774/0x98c [ 81.957789][ T5224] debug_object_init+0x20/0x2c [ 81.958545][ T5224] __percpu_counter_init+0x10c/0x26c [ 81.959357][ T5224] blkg_rwstat_init+0x1c4/0x2b8 [ 81.960066][ T5224] throtl_pd_alloc+0xf0/0x4ec [ 81.960737][ T5224] blkcg_activate_policy+0x204/0xa8c [ 81.961546][ T5224] blk_throtl_init+0x308/0x3ec [ 81.962240][ T5224] blkcg_init_queue+0x3cc/0x484 [ 81.962917][ T5224] blk_alloc_queue+0x3cc/0x4a0 [ 81.963607][ T5224] __blk_mq_alloc_disk+0x5c/0x154 [ 81.964353][ T5224] loop_add+0x240/0x6e0 [ 81.964929][ T5224] loop_control_ioctl+0x128/0x4d0 [ 81.965662][ T5224] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.966414][ T5224] invoke_syscall+0x98/0x2b8 [ 81.967094][ T5224] el0_svc_common+0x138/0x258 [ 81.967776][ T5224] do_el0_svc+0x58/0x14c [ 81.968423][ T5224] el0_svc+0x78/0x1e0 [ 81.969005][ T5224] el0t_64_sync_handler+0xcc/0xe4 [ 81.969704][ T5224] el0t_64_sync+0x1a0/0x1a4 [ 81.981220][ T5226] FAULT_INJECTION: forcing a failure. [ 81.981220][ T5226] name failslab, interval 1, probability 0, space 0, times 0 [ 81.983308][ T5226] CPU: 1 PID: 5226 Comm: syz.0.123 Tainted: G W syzkaller #0 [ 81.984637][ T5226] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.986230][ T5226] Call trace: [ 81.986770][ T5226] dump_backtrace+0x0/0x43c [ 81.987511][ T5226] show_stack+0x2c/0x3c [ 81.988170][ T5226] __dump_stack+0x30/0x40 [ 81.988826][ T5226] dump_stack_lvl+0xf8/0x160 [ 81.989510][ T5226] dump_stack+0x1c/0x5c [ 81.990142][ T5226] should_fail+0x3c0/0x51c [ 81.990811][ T5226] __should_failslab+0xbc/0x10c [ 81.991525][ T5226] should_failslab+0x10/0x28 [ 81.992243][ T5226] slab_pre_alloc_hook+0x64/0xec [ 81.992978][ T5226] kmem_cache_alloc+0x94/0x3e4 [ 81.993698][ T5226] __debug_object_init+0x648/0x98c [ 81.994438][ T5226] debug_object_init+0x20/0x2c [ 81.995145][ T5226] __init_work+0x58/0x68 [ 81.995767][ T5226] wb_init+0x3dc/0x6ec [ 81.996398][ T5226] bdi_init+0x1b4/0x2f4 [ 81.997002][ T5226] bdi_alloc+0x6c/0x144 [ 81.997592][ T5226] __alloc_disk_node+0x8c/0x458 [ 81.998281][ T5226] __blk_mq_alloc_disk+0xe8/0x154 [ 81.998979][ T5226] loop_add+0x240/0x6e0 [ 81.999601][ T5226] loop_control_ioctl+0x128/0x4d0 [ 82.000368][ T5226] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.001076][ T5226] invoke_syscall+0x98/0x2b8 [ 82.001695][ T5226] el0_svc_common+0x138/0x258 [ 82.002394][ T5226] do_el0_svc+0x58/0x14c [ 82.003100][ T5226] el0_svc+0x78/0x1e0 [ 82.003678][ T5226] el0t_64_sync_handler+0xcc/0xe4 [ 82.004452][ T5226] el0t_64_sync+0x1a0/0x1a4 [ 82.020432][ T5228] FAULT_INJECTION: forcing a failure. [ 82.020432][ T5228] name failslab, interval 1, probability 0, space 0, times 0 [ 82.022489][ T5228] CPU: 0 PID: 5228 Comm: syz.0.124 Tainted: G W syzkaller #0 [ 82.023838][ T5228] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.025333][ T5228] Call trace: [ 82.025825][ T5228] dump_backtrace+0x0/0x43c [ 82.026494][ T5228] show_stack+0x2c/0x3c [ 82.027147][ T5228] __dump_stack+0x30/0x40 [ 82.027820][ T5228] dump_stack_lvl+0xf8/0x160 [ 82.028525][ T5228] dump_stack+0x1c/0x5c [ 82.029124][ T5228] should_fail+0x3c0/0x51c [ 82.029792][ T5228] __should_failslab+0xbc/0x10c [ 82.030523][ T5228] should_failslab+0x10/0x28 [ 82.031256][ T5228] slab_pre_alloc_hook+0x64/0xec [ 82.031989][ T5228] __kmalloc_track_caller+0x74/0x370 [ 82.032728][ T5228] kstrdup+0xe4/0x15c [ 82.033297][ T5228] kstrdup_const+0x54/0x6c [ 82.033987][ T5228] kvasprintf_const+0x118/0x2d0 [ 82.034720][ T5228] kobject_set_name_vargs+0xcc/0x1b4 [ 82.035542][ T5228] dev_set_name+0xd8/0x124 [ 82.036177][ T5228] device_add_disk+0x258/0xad0 [ 82.036933][ T5228] loop_add+0x510/0x6e0 [ 82.037571][ T5228] loop_control_ioctl+0x128/0x4d0 [ 82.038309][ T5228] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.038955][ T5228] invoke_syscall+0x98/0x2b8 [ 82.039636][ T5228] el0_svc_common+0x138/0x258 [ 82.040242][ T5228] do_el0_svc+0x58/0x14c [ 82.040878][ T5228] el0_svc+0x78/0x1e0 [ 82.041428][ T5228] el0t_64_sync_handler+0xcc/0xe4 [ 82.042192][ T5228] el0t_64_sync+0x1a0/0x1a4 [ 82.051903][ T5230] FAULT_INJECTION: forcing a failure. [ 82.051903][ T5230] name failslab, interval 1, probability 0, space 0, times 0 [ 82.053827][ T5230] CPU: 0 PID: 5230 Comm: syz.0.125 Tainted: G W syzkaller #0 [ 82.054976][ T5230] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.056447][ T5230] Call trace: [ 82.056890][ T5230] dump_backtrace+0x0/0x43c [ 82.057556][ T5230] show_stack+0x2c/0x3c [ 82.058190][ T5230] __dump_stack+0x30/0x40 [ 82.058800][ T5230] dump_stack_lvl+0xf8/0x160 [ 82.059461][ T5230] dump_stack+0x1c/0x5c [ 82.060085][ T5230] should_fail+0x3c0/0x51c [ 82.060760][ T5230] __should_failslab+0xbc/0x10c [ 82.061477][ T5230] should_failslab+0x10/0x28 [ 82.062184][ T5230] slab_pre_alloc_hook+0x64/0xec [ 82.062940][ T5230] __kmalloc_track_caller+0x74/0x370 [ 82.063735][ T5230] kstrdup+0xe4/0x15c [ 82.064347][ T5230] kstrdup_const+0x54/0x6c [ 82.065089][ T5230] kvasprintf_const+0x118/0x2d0 [ 82.065804][ T5230] kobject_set_name_vargs+0xcc/0x1b4 [ 82.066579][ T5230] dev_set_name+0xd8/0x124 [ 82.067181][ T5230] device_add_disk+0x258/0xad0 [ 82.067866][ T5230] loop_add+0x510/0x6e0 [ 82.068409][ T5230] loop_control_ioctl+0x128/0x4d0 [ 82.069062][ T5230] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.069751][ T5230] invoke_syscall+0x98/0x2b8 [ 82.070393][ T5230] el0_svc_common+0x138/0x258 [ 82.071074][ T5230] do_el0_svc+0x58/0x14c [ 82.071674][ T5230] el0_svc+0x78/0x1e0 [ 82.072287][ T5230] el0t_64_sync_handler+0xcc/0xe4 [ 82.072973][ T5230] el0t_64_sync+0x1a0/0x1a4 [ 82.085339][ T5232] FAULT_INJECTION: forcing a failure. [ 82.085339][ T5232] name failslab, interval 1, probability 0, space 0, times 0 [ 82.088184][ T5232] CPU: 1 PID: 5232 Comm: syz.0.126 Tainted: G W syzkaller #0 [ 82.089598][ T5232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.091039][ T5232] Call trace: [ 82.091523][ T5232] dump_backtrace+0x0/0x43c [ 82.092215][ T5232] show_stack+0x2c/0x3c [ 82.092795][ T5232] __dump_stack+0x30/0x40 [ 82.093421][ T5232] dump_stack_lvl+0xf8/0x160 [ 82.094111][ T5232] dump_stack+0x1c/0x5c [ 82.094740][ T5232] should_fail+0x3c0/0x51c [ 82.095400][ T5232] __should_failslab+0xbc/0x10c [ 82.096154][ T5232] should_failslab+0x10/0x28 [ 82.096851][ T5232] slab_pre_alloc_hook+0x64/0xec [ 82.097605][ T5232] kmem_cache_alloc+0x94/0x3e4 [ 82.098328][ T5232] __debug_object_init+0x6e8/0x98c [ 82.099034][ T5232] debug_object_init+0x20/0x2c [ 82.099729][ T5232] __init_work+0x58/0x68 [ 82.100371][ T5232] blk_mq_realloc_hw_ctxs+0x458/0x133c [ 82.101190][ T5232] blk_mq_init_allocated_queue+0x36c/0x158c [ 82.102097][ T5232] __blk_mq_alloc_disk+0x88/0x154 [ 82.102801][ T5232] loop_add+0x240/0x6e0 [ 82.103410][ T5232] loop_control_ioctl+0x128/0x4d0 [ 82.104197][ T5232] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.104896][ T5232] invoke_syscall+0x98/0x2b8 [ 82.105584][ T5232] el0_svc_common+0x138/0x258 [ 82.106355][ T5232] do_el0_svc+0x58/0x14c [ 82.106991][ T5232] el0_svc+0x78/0x1e0 [ 82.107560][ T5232] el0t_64_sync_handler+0xcc/0xe4 [ 82.108283][ T5232] el0t_64_sync+0x1a0/0x1a4 [ 82.120268][ T5234] FAULT_INJECTION: forcing a failure. [ 82.120268][ T5234] name failslab, interval 1, probability 0, space 0, times 0 [ 82.122308][ T5234] CPU: 0 PID: 5234 Comm: syz.0.127 Tainted: G W syzkaller #0 [ 82.123664][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.125165][ T5234] Call trace: [ 82.125642][ T5234] dump_backtrace+0x0/0x43c [ 82.126331][ T5234] show_stack+0x2c/0x3c [ 82.127008][ T5234] __dump_stack+0x30/0x40 [ 82.127665][ T5234] dump_stack_lvl+0xf8/0x160 [ 82.128377][ T5234] dump_stack+0x1c/0x5c [ 82.129011][ T5234] should_fail+0x3c0/0x51c [ 82.129659][ T5234] __should_failslab+0xbc/0x10c [ 82.130378][ T5234] should_failslab+0x10/0x28 [ 82.131070][ T5234] slab_pre_alloc_hook+0x64/0xec [ 82.131760][ T5234] kmem_cache_alloc+0x94/0x3e4 [ 82.132433][ T5234] __debug_object_init+0x75c/0x98c [ 82.133144][ T5234] debug_object_init+0x20/0x2c [ 82.133805][ T5234] __percpu_counter_init+0x10c/0x26c [ 82.134568][ T5234] blkg_rwstat_init+0x1c4/0x2b8 [ 82.135309][ T5234] throtl_pd_alloc+0xc0/0x4ec [ 82.136021][ T5234] blkcg_activate_policy+0x204/0xa8c [ 82.136786][ T5234] blk_throtl_init+0x308/0x3ec [ 82.137427][ T5234] blkcg_init_queue+0x3cc/0x484 [ 82.138108][ T5234] blk_alloc_queue+0x3cc/0x4a0 [ 82.138784][ T5234] __blk_mq_alloc_disk+0x5c/0x154 [ 82.139461][ T5234] loop_add+0x240/0x6e0 [ 82.140057][ T5234] loop_control_ioctl+0x128/0x4d0 [ 82.140778][ T5234] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.141501][ T5234] invoke_syscall+0x98/0x2b8 [ 82.142184][ T5234] el0_svc_common+0x138/0x258 [ 82.142824][ T5234] do_el0_svc+0x58/0x14c [ 82.143419][ T5234] el0_svc+0x78/0x1e0 [ 82.144006][ T5234] el0t_64_sync_handler+0xcc/0xe4 [ 82.144689][ T5234] el0t_64_sync+0x1a0/0x1a4 [ 82.159492][ T5236] FAULT_INJECTION: forcing a failure. [ 82.159492][ T5236] name failslab, interval 1, probability 0, space 0, times 0 [ 82.161490][ T5236] CPU: 0 PID: 5236 Comm: syz.0.128 Tainted: G W syzkaller #0 [ 82.162857][ T5236] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.164383][ T5236] Call trace: [ 82.164826][ T5236] dump_backtrace+0x0/0x43c [ 82.165542][ T5236] show_stack+0x2c/0x3c [ 82.166245][ T5236] __dump_stack+0x30/0x40 [ 82.166917][ T5236] dump_stack_lvl+0xf8/0x160 [ 82.167639][ T5236] dump_stack+0x1c/0x5c [ 82.168307][ T5236] should_fail+0x3c0/0x51c [ 82.168970][ T5236] __should_failslab+0xbc/0x10c [ 82.169738][ T5236] should_failslab+0x10/0x28 [ 82.170455][ T5236] slab_pre_alloc_hook+0x64/0xec [ 82.171226][ T5236] kmem_cache_alloc_trace+0x98/0x3fc [ 82.172021][ T5236] blk_iolatency_init+0x64/0x430 [ 82.172729][ T5236] blkcg_init_queue+0x3f0/0x484 [ 82.173465][ T5236] blk_alloc_queue+0x3cc/0x4a0 [ 82.174145][ T5236] __blk_mq_alloc_disk+0x5c/0x154 [ 82.174885][ T5236] loop_add+0x240/0x6e0 [ 82.175555][ T5236] loop_control_ioctl+0x128/0x4d0 [ 82.176273][ T5236] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.177038][ T5236] invoke_syscall+0x98/0x2b8 [ 82.177700][ T5236] el0_svc_common+0x138/0x258 [ 82.178399][ T5236] do_el0_svc+0x58/0x14c [ 82.179063][ T5236] el0_svc+0x78/0x1e0 [ 82.179642][ T5236] el0t_64_sync_handler+0xcc/0xe4 [ 82.180345][ T5236] el0t_64_sync+0x1a0/0x1a4 [ 82.191513][ T5238] FAULT_INJECTION: forcing a failure. [ 82.191513][ T5238] name failslab, interval 1, probability 0, space 0, times 0 [ 82.193383][ T5238] CPU: 0 PID: 5238 Comm: syz.0.129 Tainted: G W syzkaller #0 [ 82.194681][ T5238] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.196201][ T5238] Call trace: [ 82.196680][ T5238] dump_backtrace+0x0/0x43c [ 82.197340][ T5238] show_stack+0x2c/0x3c [ 82.197946][ T5238] __dump_stack+0x30/0x40 [ 82.198607][ T5238] dump_stack_lvl+0xf8/0x160 [ 82.199314][ T5238] dump_stack+0x1c/0x5c [ 82.199991][ T5238] should_fail+0x3c0/0x51c [ 82.200598][ T5238] __should_failslab+0xbc/0x10c [ 82.201356][ T5238] should_failslab+0x10/0x28 [ 82.202058][ T5238] slab_pre_alloc_hook+0x64/0xec [ 82.202763][ T5238] kmem_cache_alloc_trace+0x98/0x3fc [ 82.203508][ T5238] rand_initialize_disk+0x58/0xb8 [ 82.204250][ T5238] __alloc_disk_node+0x2a8/0x458 [ 82.205017][ T5238] __blk_mq_alloc_disk+0xe8/0x154 [ 82.205738][ T5238] loop_add+0x240/0x6e0 [ 82.206277][ T5238] loop_control_ioctl+0x128/0x4d0 [ 82.207029][ T5238] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.207727][ T5238] invoke_syscall+0x98/0x2b8 [ 82.208426][ T5238] el0_svc_common+0x138/0x258 [ 82.209083][ T5238] do_el0_svc+0x58/0x14c [ 82.209717][ T5238] el0_svc+0x78/0x1e0 [ 82.210337][ T5238] el0t_64_sync_handler+0xcc/0xe4 [ 82.211002][ T5238] el0t_64_sync+0x1a0/0x1a4 [ 82.223296][ T5240] FAULT_INJECTION: forcing a failure. [ 82.223296][ T5240] name failslab, interval 1, probability 0, space 0, times 0 [ 82.225101][ T5240] CPU: 1 PID: 5240 Comm: syz.0.130 Tainted: G W syzkaller #0 [ 82.226312][ T5240] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.227799][ T5240] Call trace: [ 82.228264][ T5240] dump_backtrace+0x0/0x43c [ 82.228890][ T5240] show_stack+0x2c/0x3c [ 82.229458][ T5240] __dump_stack+0x30/0x40 [ 82.230056][ T5240] dump_stack_lvl+0xf8/0x160 [ 82.230716][ T5240] dump_stack+0x1c/0x5c [ 82.231363][ T5240] should_fail+0x3c0/0x51c [ 82.232018][ T5240] __should_failslab+0xbc/0x10c [ 82.232672][ T5240] should_failslab+0x10/0x28 [ 82.233331][ T5240] slab_pre_alloc_hook+0x64/0xec [ 82.234034][ T5240] kmem_cache_alloc+0x94/0x3e4 [ 82.234735][ T5240] __debug_object_init+0x774/0x98c [ 82.235483][ T5240] debug_object_init+0x20/0x2c [ 82.236154][ T5240] __percpu_counter_init+0x10c/0x26c [ 82.237012][ T5240] blkg_rwstat_init+0x104/0x2b8 [ 82.237756][ T5240] throtl_pd_alloc+0xc0/0x4ec [ 82.238496][ T5240] blkcg_activate_policy+0x204/0xa8c [ 82.239316][ T5240] blk_throtl_init+0x308/0x3ec [ 82.240029][ T5240] blkcg_init_queue+0x3cc/0x484 [ 82.240790][ T5240] blk_alloc_queue+0x3cc/0x4a0 [ 82.241470][ T5240] __blk_mq_alloc_disk+0x5c/0x154 [ 82.242215][ T5240] loop_add+0x240/0x6e0 [ 82.242839][ T5240] loop_control_ioctl+0x128/0x4d0 [ 82.243594][ T5240] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.244308][ T5240] invoke_syscall+0x98/0x2b8 [ 82.245034][ T5240] el0_svc_common+0x138/0x258 [ 82.245722][ T5240] do_el0_svc+0x58/0x14c [ 82.246323][ T5240] el0_svc+0x78/0x1e0 [ 82.246876][ T5240] el0t_64_sync_handler+0xcc/0xe4 [ 82.247612][ T5240] el0t_64_sync+0x1a0/0x1a4 [ 82.259320][ T5242] FAULT_INJECTION: forcing a failure. [ 82.259320][ T5242] name failslab, interval 1, probability 0, space 0, times 0 [ 82.261325][ T5242] CPU: 1 PID: 5242 Comm: syz.0.131 Tainted: G W syzkaller #0 [ 82.262648][ T5242] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.264089][ T5242] Call trace: [ 82.264554][ T5242] dump_backtrace+0x0/0x43c [ 82.265233][ T5242] show_stack+0x2c/0x3c [ 82.265892][ T5242] __dump_stack+0x30/0x40 [ 82.266534][ T5242] dump_stack_lvl+0xf8/0x160 [ 82.267292][ T5242] dump_stack+0x1c/0x5c [ 82.267897][ T5242] should_fail+0x3c0/0x51c [ 82.268501][ T5242] __should_failslab+0xbc/0x10c [ 82.269189][ T5242] should_failslab+0x10/0x28 [ 82.269852][ T5242] slab_pre_alloc_hook+0x64/0xec [ 82.270558][ T5242] kmem_cache_alloc+0x94/0x3e4 [ 82.271261][ T5242] __debug_object_init+0x670/0x98c [ 82.272043][ T5242] debug_object_init+0x20/0x2c [ 82.272742][ T5242] __percpu_counter_init+0x10c/0x26c [ 82.273482][ T5242] wb_init+0x5f8/0x6ec [ 82.274075][ T5242] bdi_init+0x1b4/0x2f4 [ 82.274654][ T5242] bdi_alloc+0x6c/0x144 [ 82.275273][ T5242] __alloc_disk_node+0x8c/0x458 [ 82.275915][ T5242] __blk_mq_alloc_disk+0xe8/0x154 [ 82.276671][ T5242] loop_add+0x240/0x6e0 [ 82.277279][ T5242] loop_control_ioctl+0x128/0x4d0 [ 82.277997][ T5242] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.278697][ T5242] invoke_syscall+0x98/0x2b8 [ 82.279360][ T5242] el0_svc_common+0x138/0x258 [ 82.279981][ T5242] do_el0_svc+0x58/0x14c [ 82.280612][ T5242] el0_svc+0x78/0x1e0 [ 82.281248][ T5242] el0t_64_sync_handler+0xcc/0xe4 [ 82.281935][ T5242] el0t_64_sync+0x1a0/0x1a4 [ 82.294152][ T5244] FAULT_INJECTION: forcing a failure. [ 82.294152][ T5244] name failslab, interval 1, probability 0, space 0, times 0 [ 82.296399][ T5244] CPU: 1 PID: 5244 Comm: syz.0.132 Tainted: G W syzkaller #0 [ 82.297682][ T5244] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.299111][ T5244] Call trace: [ 82.299580][ T5244] dump_backtrace+0x0/0x43c [ 82.300207][ T5244] show_stack+0x2c/0x3c [ 82.300861][ T5244] __dump_stack+0x30/0x40 [ 82.301579][ T5244] dump_stack_lvl+0xf8/0x160 [ 82.302337][ T5244] dump_stack+0x1c/0x5c [ 82.302980][ T5244] should_fail+0x3c0/0x51c [ 82.303712][ T5244] __should_failslab+0xbc/0x10c [ 82.304442][ T5244] should_failslab+0x10/0x28 [ 82.305154][ T5244] slab_pre_alloc_hook+0x64/0xec [ 82.305868][ T5244] kmem_cache_alloc+0x94/0x3e4 [ 82.306571][ T5244] __debug_object_init+0x670/0x98c [ 82.307391][ T5244] debug_object_init+0x20/0x2c [ 82.308072][ T5244] __percpu_counter_init+0x10c/0x26c [ 82.308876][ T5244] fprop_local_init_percpu+0x34/0xb8 [ 82.309650][ T5244] wb_init+0x4d4/0x6ec [ 82.310228][ T5244] bdi_init+0x1b4/0x2f4 [ 82.310845][ T5244] bdi_alloc+0x6c/0x144 [ 82.311486][ T5244] __alloc_disk_node+0x8c/0x458 [ 82.312271][ T5244] __blk_mq_alloc_disk+0xe8/0x154 [ 82.312967][ T5244] loop_add+0x240/0x6e0 [ 82.313534][ T5244] loop_control_ioctl+0x128/0x4d0 [ 82.314257][ T5244] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.315022][ T5244] invoke_syscall+0x98/0x2b8 [ 82.315718][ T5244] el0_svc_common+0x138/0x258 [ 82.316491][ T5244] do_el0_svc+0x58/0x14c [ 82.317104][ T5244] el0_svc+0x78/0x1e0 [ 82.317707][ T5244] el0t_64_sync_handler+0xcc/0xe4 [ 82.318469][ T5244] el0t_64_sync+0x1a0/0x1a4 [ 82.330751][ T5246] FAULT_INJECTION: forcing a failure. [ 82.330751][ T5246] name failslab, interval 1, probability 0, space 0, times 0 [ 82.332627][ T5246] CPU: 1 PID: 5246 Comm: syz.0.133 Tainted: G W syzkaller #0 [ 82.333856][ T5246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.335335][ T5246] Call trace: [ 82.335840][ T5246] dump_backtrace+0x0/0x43c [ 82.336487][ T5246] show_stack+0x2c/0x3c [ 82.337073][ T5246] __dump_stack+0x30/0x40 [ 82.337723][ T5246] dump_stack_lvl+0xf8/0x160 [ 82.338347][ T5246] dump_stack+0x1c/0x5c [ 82.338996][ T5246] should_fail+0x3c0/0x51c [ 82.339654][ T5246] __should_failslab+0xbc/0x10c [ 82.340397][ T5246] should_failslab+0x10/0x28 [ 82.341131][ T5246] slab_pre_alloc_hook+0x64/0xec [ 82.341914][ T5246] kmem_cache_alloc_trace+0x98/0x3fc [ 82.342696][ T5246] rand_initialize_disk+0x58/0xb8 [ 82.343440][ T5246] __alloc_disk_node+0x2a8/0x458 [ 82.344180][ T5246] __blk_mq_alloc_disk+0xe8/0x154 [ 82.344949][ T5246] loop_add+0x240/0x6e0 [ 82.345568][ T5246] loop_control_ioctl+0x128/0x4d0 [ 82.346320][ T5246] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.347101][ T5246] invoke_syscall+0x98/0x2b8 [ 82.347756][ T5246] el0_svc_common+0x138/0x258 [ 82.348459][ T5246] do_el0_svc+0x58/0x14c [ 82.349021][ T5246] el0_svc+0x78/0x1e0 [ 82.349602][ T5246] el0t_64_sync_handler+0xcc/0xe4 [ 82.350405][ T5246] el0t_64_sync+0x1a0/0x1a4 [ 82.361922][ T5248] FAULT_INJECTION: forcing a failure. [ 82.361922][ T5248] name failslab, interval 1, probability 0, space 0, times 0 [ 82.364044][ T5248] CPU: 1 PID: 5248 Comm: syz.0.134 Tainted: G W syzkaller #0 [ 82.365379][ T5248] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.366995][ T5248] Call trace: [ 82.367507][ T5248] dump_backtrace+0x0/0x43c [ 82.368226][ T5248] show_stack+0x2c/0x3c [ 82.368910][ T5248] __dump_stack+0x30/0x40 [ 82.369579][ T5248] dump_stack_lvl+0xf8/0x160 [ 82.370340][ T5248] dump_stack+0x1c/0x5c [ 82.370990][ T5248] should_fail+0x3c0/0x51c [ 82.371722][ T5248] __should_failslab+0xbc/0x10c [ 82.372471][ T5248] should_failslab+0x10/0x28 [ 82.373159][ T5248] slab_pre_alloc_hook+0x64/0xec [ 82.373858][ T5248] kmem_cache_alloc_trace+0x98/0x3fc [ 82.374636][ T5248] blk_iolatency_init+0x64/0x430 [ 82.375396][ T5248] blkcg_init_queue+0x3f0/0x484 [ 82.376100][ T5248] blk_alloc_queue+0x3cc/0x4a0 [ 82.376855][ T5248] __blk_mq_alloc_disk+0x5c/0x154 [ 82.377541][ T5248] loop_add+0x240/0x6e0 [ 82.378173][ T5248] loop_control_ioctl+0x128/0x4d0 [ 82.378939][ T5248] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.379623][ T5248] invoke_syscall+0x98/0x2b8 [ 82.380317][ T5248] el0_svc_common+0x138/0x258 [ 82.380999][ T5248] do_el0_svc+0x58/0x14c [ 82.381641][ T5248] el0_svc+0x78/0x1e0 [ 82.382239][ T5248] el0t_64_sync_handler+0xcc/0xe4 [ 82.382986][ T5248] el0t_64_sync+0x1a0/0x1a4 [ 82.391712][ T5250] FAULT_INJECTION: forcing a failure. [ 82.391712][ T5250] name failslab, interval 1, probability 0, space 0, times 0 [ 82.393683][ T5250] CPU: 0 PID: 5250 Comm: syz.0.135 Tainted: G W syzkaller #0 [ 82.395029][ T5250] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.396597][ T5250] Call trace: [ 82.397083][ T5250] dump_backtrace+0x0/0x43c [ 82.397782][ T5250] show_stack+0x2c/0x3c [ 82.398398][ T5250] __dump_stack+0x30/0x40 [ 82.398993][ T5250] dump_stack_lvl+0xf8/0x160 [ 82.399658][ T5250] dump_stack+0x1c/0x5c [ 82.400322][ T5250] should_fail+0x3c0/0x51c [ 82.400993][ T5250] __should_failslab+0xbc/0x10c [ 82.401708][ T5250] should_failslab+0x10/0x28 [ 82.402419][ T5250] slab_pre_alloc_hook+0x64/0xec [ 82.403119][ T5250] kmem_cache_alloc+0x94/0x3e4 [ 82.403870][ T5250] __debug_object_init+0x6e8/0x98c [ 82.404643][ T5250] debug_object_init+0x20/0x2c [ 82.405419][ T5250] __init_work+0x58/0x68 [ 82.406122][ T5250] blk_mq_realloc_hw_ctxs+0x458/0x133c [ 82.406966][ T5250] blk_mq_init_allocated_queue+0x36c/0x158c [ 82.407898][ T5250] __blk_mq_alloc_disk+0x88/0x154 [ 82.408666][ T5250] loop_add+0x240/0x6e0 [ 82.409353][ T5250] loop_control_ioctl+0x128/0x4d0 [ 82.410105][ T5250] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.410843][ T5250] invoke_syscall+0x98/0x2b8 [ 82.411541][ T5250] el0_svc_common+0x138/0x258 [ 82.412247][ T5250] do_el0_svc+0x58/0x14c [ 82.412915][ T5250] el0_svc+0x78/0x1e0 [ 82.413508][ T5250] el0t_64_sync_handler+0xcc/0xe4 [ 82.414228][ T5250] el0t_64_sync+0x1a0/0x1a4 [ 82.430657][ T5252] FAULT_INJECTION: forcing a failure. [ 82.430657][ T5252] name failslab, interval 1, probability 0, space 0, times 0 [ 82.432737][ T5252] CPU: 1 PID: 5252 Comm: syz.0.136 Tainted: G W syzkaller #0 [ 82.434057][ T5252] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.435677][ T5252] Call trace: [ 82.436219][ T5252] dump_backtrace+0x0/0x43c [ 82.436899][ T5252] show_stack+0x2c/0x3c [ 82.437514][ T5252] __dump_stack+0x30/0x40 [ 82.438250][ T5252] dump_stack_lvl+0xf8/0x160 [ 82.438948][ T5252] dump_stack+0x1c/0x5c [ 82.439558][ T5252] should_fail+0x3c0/0x51c [ 82.440279][ T5252] __should_failslab+0xbc/0x10c [ 82.440947][ T5252] should_failslab+0x10/0x28 [ 82.441589][ T5252] slab_pre_alloc_hook+0x64/0xec [ 82.442320][ T5252] kmem_cache_alloc+0x94/0x3e4 [ 82.443083][ T5252] security_inode_alloc+0x38/0x11c [ 82.443842][ T5252] inode_init_always+0x670/0xa84 [ 82.444590][ T5252] new_inode_pseudo+0x7c/0x1fc [ 82.445335][ T5252] new_inode+0x38/0x174 [ 82.446017][ T5252] bdev_alloc+0x30/0x1f8 [ 82.446651][ T5252] __alloc_disk_node+0xbc/0x458 [ 82.447344][ T5252] __blk_mq_alloc_disk+0xe8/0x154 [ 82.448114][ T5252] loop_add+0x240/0x6e0 [ 82.448776][ T5252] loop_control_ioctl+0x128/0x4d0 [ 82.449506][ T5252] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.450300][ T5252] invoke_syscall+0x98/0x2b8 [ 82.450995][ T5252] el0_svc_common+0x138/0x258 [ 82.451717][ T5252] do_el0_svc+0x58/0x14c [ 82.452380][ T5252] el0_svc+0x78/0x1e0 [ 82.452995][ T5252] el0t_64_sync_handler+0xcc/0xe4 [ 82.453756][ T5252] el0t_64_sync+0x1a0/0x1a4 [ 82.462482][ T5254] FAULT_INJECTION: forcing a failure. [ 82.462482][ T5254] name failslab, interval 1, probability 0, space 0, times 0 [ 82.464402][ T5254] CPU: 0 PID: 5254 Comm: syz.0.137 Tainted: G W syzkaller #0 [ 82.465669][ T5254] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.467046][ T5254] Call trace: [ 82.467520][ T5254] dump_backtrace+0x0/0x43c [ 82.468164][ T5254] show_stack+0x2c/0x3c [ 82.468719][ T5254] __dump_stack+0x30/0x40 [ 82.469351][ T5254] dump_stack_lvl+0xf8/0x160 [ 82.470058][ T5254] dump_stack+0x1c/0x5c [ 82.470666][ T5254] should_fail+0x3c0/0x51c [ 82.471328][ T5254] __should_failslab+0xbc/0x10c [ 82.472098][ T5254] should_failslab+0x10/0x28 [ 82.472821][ T5254] slab_pre_alloc_hook+0x64/0xec [ 82.473534][ T5254] kmem_cache_alloc+0x94/0x3e4 [ 82.474397][ T5254] __debug_object_init+0x744/0x98c [ 82.475268][ T5254] debug_object_init+0x20/0x2c [ 82.476090][ T5254] __init_work+0x58/0x68 [ 82.476810][ T5254] blk_iolatency_init+0x2dc/0x430 [ 82.477625][ T5254] blkcg_init_queue+0x3f0/0x484 [ 82.478361][ T5254] blk_alloc_queue+0x3cc/0x4a0 [ 82.479139][ T5254] __blk_mq_alloc_disk+0x5c/0x154 [ 82.479914][ T5254] loop_add+0x240/0x6e0 [ 82.480534][ T5254] loop_control_ioctl+0x128/0x4d0 [ 82.481376][ T5254] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.482114][ T5254] invoke_syscall+0x98/0x2b8 [ 82.482795][ T5254] el0_svc_common+0x138/0x258 [ 82.483542][ T5254] do_el0_svc+0x58/0x14c [ 82.484181][ T5254] el0_svc+0x78/0x1e0 [ 82.484782][ T5254] el0t_64_sync_handler+0xcc/0xe4 [ 82.485489][ T5254] el0t_64_sync+0x1a0/0x1a4 [ 82.501267][ T5256] FAULT_INJECTION: forcing a failure. [ 82.501267][ T5256] name failslab, interval 1, probability 0, space 0, times 0 [ 82.503176][ T5256] CPU: 0 PID: 5256 Comm: syz.0.138 Tainted: G W syzkaller #0 [ 82.504544][ T5256] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.506173][ T5256] Call trace: [ 82.506646][ T5256] dump_backtrace+0x0/0x43c [ 82.507320][ T5256] show_stack+0x2c/0x3c [ 82.507987][ T5256] __dump_stack+0x30/0x40 [ 82.508701][ T5256] dump_stack_lvl+0xf8/0x160 [ 82.509453][ T5256] dump_stack+0x1c/0x5c [ 82.510102][ T5256] should_fail+0x3c0/0x51c [ 82.510769][ T5256] __should_failslab+0xbc/0x10c [ 82.511525][ T5256] should_failslab+0x10/0x28 [ 82.512174][ T5256] slab_pre_alloc_hook+0x64/0xec [ 82.512931][ T5256] kmem_cache_alloc+0x94/0x3e4 [ 82.513633][ T5256] __debug_object_init+0x774/0x98c [ 82.514377][ T5256] debug_object_init+0x20/0x2c [ 82.515164][ T5256] __percpu_counter_init+0x10c/0x26c [ 82.515930][ T5256] blkg_rwstat_init+0xa0/0x2b8 [ 82.516648][ T5256] throtl_pd_alloc+0xc0/0x4ec [ 82.517317][ T5256] blkcg_activate_policy+0x204/0xa8c [ 82.518120][ T5256] blk_throtl_init+0x308/0x3ec [ 82.518796][ T5256] blkcg_init_queue+0x3cc/0x484 [ 82.519509][ T5256] blk_alloc_queue+0x3cc/0x4a0 [ 82.520189][ T5256] __blk_mq_alloc_disk+0x5c/0x154 [ 82.520927][ T5256] loop_add+0x240/0x6e0 [ 82.521523][ T5256] loop_control_ioctl+0x128/0x4d0 [ 82.522331][ T5256] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.523167][ T5256] invoke_syscall+0x98/0x2b8 [ 82.523878][ T5256] el0_svc_common+0x138/0x258 [ 82.524577][ T5256] do_el0_svc+0x58/0x14c [ 82.525188][ T5256] el0_svc+0x78/0x1e0 [ 82.525828][ T5256] el0t_64_sync_handler+0xcc/0xe4 [ 82.526650][ T5256] el0t_64_sync+0x1a0/0x1a4 [ 82.538900][ T5258] FAULT_INJECTION: forcing a failure. [ 82.538900][ T5258] name failslab, interval 1, probability 0, space 0, times 0 [ 82.541226][ T5258] CPU: 0 PID: 5258 Comm: syz.0.139 Tainted: G W syzkaller #0 [ 82.542617][ T5258] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.544045][ T5258] Call trace: [ 82.544538][ T5258] dump_backtrace+0x0/0x43c [ 82.545220][ T5258] show_stack+0x2c/0x3c [ 82.545846][ T5258] __dump_stack+0x30/0x40 [ 82.546509][ T5258] dump_stack_lvl+0xf8/0x160 [ 82.547228][ T5258] dump_stack+0x1c/0x5c [ 82.547874][ T5258] should_fail+0x3c0/0x51c [ 82.548662][ T5258] __should_failslab+0xbc/0x10c [ 82.549452][ T5258] should_failslab+0x10/0x28 [ 82.550137][ T5258] slab_pre_alloc_hook+0x64/0xec [ 82.550868][ T5258] kmem_cache_alloc+0x94/0x3e4 [ 82.551568][ T5258] bdev_alloc_inode+0x24/0x60 [ 82.552287][ T5258] new_inode_pseudo+0x68/0x1fc [ 82.552951][ T5258] new_inode+0x38/0x174 [ 82.553537][ T5258] bdev_alloc+0x30/0x1f8 [ 82.554196][ T5258] __alloc_disk_node+0xbc/0x458 [ 82.554862][ T5258] __blk_mq_alloc_disk+0xe8/0x154 [ 82.555572][ T5258] loop_add+0x240/0x6e0 [ 82.556170][ T5258] loop_control_ioctl+0x128/0x4d0 [ 82.556943][ T5258] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.557721][ T5258] invoke_syscall+0x98/0x2b8 [ 82.558455][ T5258] el0_svc_common+0x138/0x258 [ 82.559126][ T5258] do_el0_svc+0x58/0x14c [ 82.559831][ T5258] el0_svc+0x78/0x1e0 [ 82.560431][ T5258] el0t_64_sync_handler+0xcc/0xe4 [ 82.561210][ T5258] el0t_64_sync+0x1a0/0x1a4 [ 82.573661][ T5260] FAULT_INJECTION: forcing a failure. [ 82.573661][ T5260] name failslab, interval 1, probability 0, space 0, times 0 [ 82.575490][ T5260] CPU: 0 PID: 5260 Comm: syz.0.140 Tainted: G W syzkaller #0 [ 82.576792][ T5260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.578423][ T5260] Call trace: [ 82.578966][ T5260] dump_backtrace+0x0/0x43c [ 82.579668][ T5260] show_stack+0x2c/0x3c [ 82.580281][ T5260] __dump_stack+0x30/0x40 [ 82.580930][ T5260] dump_stack_lvl+0xf8/0x160 [ 82.581636][ T5260] dump_stack+0x1c/0x5c [ 82.582230][ T5260] should_fail+0x3c0/0x51c [ 82.582896][ T5260] __should_failslab+0xbc/0x10c [ 82.583582][ T5260] should_failslab+0x10/0x28 [ 82.584291][ T5260] slab_pre_alloc_hook+0x64/0xec [ 82.585034][ T5260] __kmalloc_track_caller+0x74/0x370 [ 82.585823][ T5260] kstrdup+0xe4/0x15c [ 82.586354][ T5260] kstrdup_const+0x54/0x6c [ 82.587017][ T5260] kvasprintf_const+0x118/0x2d0 [ 82.587720][ T5260] kobject_set_name_vargs+0xcc/0x1b4 [ 82.588477][ T5260] dev_set_name+0xd8/0x124 [ 82.589112][ T5260] device_add_disk+0x258/0xad0 [ 82.589777][ T5260] loop_add+0x510/0x6e0 [ 82.590360][ T5260] loop_control_ioctl+0x128/0x4d0 [ 82.591150][ T5260] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.591891][ T5260] invoke_syscall+0x98/0x2b8 [ 82.592569][ T5260] el0_svc_common+0x138/0x258 [ 82.593229][ T5260] do_el0_svc+0x58/0x14c [ 82.593869][ T5260] el0_svc+0x78/0x1e0 [ 82.594391][ T5260] el0t_64_sync_handler+0xcc/0xe4 [ 82.595058][ T5260] el0t_64_sync+0x1a0/0x1a4 [ 82.609943][ T5262] FAULT_INJECTION: forcing a failure. [ 82.609943][ T5262] name failslab, interval 1, probability 0, space 0, times 0 [ 82.611714][ T5262] CPU: 0 PID: 5262 Comm: syz.0.141 Tainted: G W syzkaller #0 [ 82.613122][ T5262] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.614748][ T5262] Call trace: [ 82.615297][ T5262] dump_backtrace+0x0/0x43c [ 82.616029][ T5262] show_stack+0x2c/0x3c [ 82.616749][ T5262] __dump_stack+0x30/0x40 [ 82.617408][ T5262] dump_stack_lvl+0xf8/0x160 [ 82.618062][ T5262] dump_stack+0x1c/0x5c [ 82.618669][ T5262] should_fail+0x3c0/0x51c [ 82.619336][ T5262] __should_failslab+0xbc/0x10c [ 82.620054][ T5262] should_failslab+0x10/0x28 [ 82.620777][ T5262] slab_pre_alloc_hook+0x64/0xec [ 82.621475][ T5262] kmem_cache_alloc+0x94/0x3e4 [ 82.622134][ T5262] __debug_object_init+0x65c/0x98c [ 82.622877][ T5262] debug_object_init+0x20/0x2c [ 82.623559][ T5262] __percpu_counter_init+0x10c/0x26c [ 82.624315][ T5262] wb_init+0x5f8/0x6ec [ 82.624896][ T5262] bdi_init+0x1b4/0x2f4 [ 82.625496][ T5262] bdi_alloc+0x6c/0x144 [ 82.626140][ T5262] __alloc_disk_node+0x8c/0x458 [ 82.626791][ T5262] __blk_mq_alloc_disk+0xe8/0x154 [ 82.627490][ T5262] loop_add+0x240/0x6e0 [ 82.628125][ T5262] loop_control_ioctl+0x128/0x4d0 [ 82.628870][ T5262] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.629567][ T5262] invoke_syscall+0x98/0x2b8 [ 82.630190][ T5262] el0_svc_common+0x138/0x258 [ 82.630806][ T5262] do_el0_svc+0x58/0x14c [ 82.631450][ T5262] el0_svc+0x78/0x1e0 [ 82.632083][ T5262] el0t_64_sync_handler+0xcc/0xe4 [ 82.632819][ T5262] el0t_64_sync+0x1a0/0x1a4 [ 82.649613][ T5264] FAULT_INJECTION: forcing a failure. [ 82.649613][ T5264] name failslab, interval 1, probability 0, space 0, times 0 [ 82.651689][ T5264] CPU: 0 PID: 5264 Comm: syz.0.142 Tainted: G W syzkaller #0 [ 82.653077][ T5264] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.654528][ T5264] Call trace: [ 82.655013][ T5264] dump_backtrace+0x0/0x43c [ 82.655682][ T5264] show_stack+0x2c/0x3c [ 82.656298][ T5264] __dump_stack+0x30/0x40 [ 82.656986][ T5264] dump_stack_lvl+0xf8/0x160 [ 82.657676][ T5264] dump_stack+0x1c/0x5c [ 82.658293][ T5264] should_fail+0x3c0/0x51c [ 82.659002][ T5264] __should_failslab+0xbc/0x10c [ 82.659776][ T5264] should_failslab+0x10/0x28 [ 82.660494][ T5264] slab_pre_alloc_hook+0x64/0xec [ 82.661278][ T5264] kmem_cache_alloc_trace+0x98/0x3fc [ 82.662065][ T5264] rand_initialize_disk+0x58/0xb8 [ 82.662872][ T5264] __alloc_disk_node+0x2a8/0x458 [ 82.663608][ T5264] __blk_mq_alloc_disk+0xe8/0x154 [ 82.664374][ T5264] loop_add+0x240/0x6e0 [ 82.665018][ T5264] loop_control_ioctl+0x128/0x4d0 [ 82.665741][ T5264] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.666489][ T5264] invoke_syscall+0x98/0x2b8 [ 82.667145][ T5264] el0_svc_common+0x138/0x258 [ 82.667915][ T5264] do_el0_svc+0x58/0x14c [ 82.668526][ T5264] el0_svc+0x78/0x1e0 [ 82.669104][ T5264] el0t_64_sync_handler+0xcc/0xe4 [ 82.669837][ T5264] el0t_64_sync+0x1a0/0x1a4 [ 82.683512][ T5266] FAULT_INJECTION: forcing a failure. [ 82.683512][ T5266] name failslab, interval 1, probability 0, space 0, times 0 [ 82.685586][ T5266] CPU: 1 PID: 5266 Comm: syz.0.143 Tainted: G W syzkaller #0 [ 82.686954][ T5266] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.688565][ T5266] Call trace: [ 82.689092][ T5266] dump_backtrace+0x0/0x43c [ 82.689789][ T5266] show_stack+0x2c/0x3c [ 82.690451][ T5266] __dump_stack+0x30/0x40 [ 82.691112][ T5266] dump_stack_lvl+0xf8/0x160 [ 82.691793][ T5266] dump_stack+0x1c/0x5c [ 82.692400][ T5266] should_fail+0x3c0/0x51c [ 82.693072][ T5266] __should_failslab+0xbc/0x10c [ 82.693772][ T5266] should_failslab+0x10/0x28 [ 82.694463][ T5266] slab_pre_alloc_hook+0x64/0xec [ 82.695234][ T5266] kmem_cache_alloc+0x94/0x3e4 [ 82.695961][ T5266] security_inode_alloc+0x38/0x11c [ 82.696740][ T5266] inode_init_always+0x670/0xa84 [ 82.697544][ T5266] new_inode_pseudo+0x7c/0x1fc [ 82.698360][ T5266] new_inode+0x38/0x174 [ 82.699010][ T5266] bdev_alloc+0x30/0x1f8 [ 82.699704][ T5266] __alloc_disk_node+0xbc/0x458 [ 82.700444][ T5266] __blk_mq_alloc_disk+0xe8/0x154 [ 82.701223][ T5266] loop_add+0x240/0x6e0 [ 82.701824][ T5266] loop_control_ioctl+0x128/0x4d0 [ 82.702564][ T5266] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.703369][ T5266] invoke_syscall+0x98/0x2b8 [ 82.704093][ T5266] el0_svc_common+0x138/0x258 [ 82.704785][ T5266] do_el0_svc+0x58/0x14c [ 82.705435][ T5266] el0_svc+0x78/0x1e0 [ 82.706042][ T5266] el0t_64_sync_handler+0xcc/0xe4 [ 82.706741][ T5266] el0t_64_sync+0x1a0/0x1a4 [ 82.715230][ T5268] FAULT_INJECTION: forcing a failure. [ 82.715230][ T5268] name failslab, interval 1, probability 0, space 0, times 0 [ 82.717986][ T5268] CPU: 0 PID: 5268 Comm: syz.0.144 Tainted: G W syzkaller #0 [ 82.719206][ T5268] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.720660][ T5268] Call trace: [ 82.721130][ T5268] dump_backtrace+0x0/0x43c [ 82.721786][ T5268] show_stack+0x2c/0x3c [ 82.722404][ T5268] __dump_stack+0x30/0x40 [ 82.723032][ T5268] dump_stack_lvl+0xf8/0x160 [ 82.723743][ T5268] dump_stack+0x1c/0x5c [ 82.724395][ T5268] should_fail+0x3c0/0x51c [ 82.725041][ T5268] __should_failslab+0xbc/0x10c [ 82.725768][ T5268] should_failslab+0x10/0x28 [ 82.726421][ T5268] slab_pre_alloc_hook+0x64/0xec [ 82.727088][ T5268] kmem_cache_alloc+0x94/0x3e4 [ 82.727800][ T5268] __debug_object_init+0x670/0x98c [ 82.728562][ T5268] debug_object_init+0x20/0x2c [ 82.729268][ T5268] init_timer_key+0x54/0x418 [ 82.729910][ T5268] wb_init+0x3cc/0x6ec [ 82.730574][ T5268] bdi_init+0x1b4/0x2f4 [ 82.731255][ T5268] bdi_alloc+0x6c/0x144 [ 82.731953][ T5268] __alloc_disk_node+0x8c/0x458 [ 82.732740][ T5268] __blk_mq_alloc_disk+0xe8/0x154 [ 82.733481][ T5268] loop_add+0x240/0x6e0 [ 82.734083][ T5268] loop_control_ioctl+0x128/0x4d0 [ 82.734768][ T5268] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.735496][ T5268] invoke_syscall+0x98/0x2b8 [ 82.736213][ T5268] el0_svc_common+0x138/0x258 [ 82.736920][ T5268] do_el0_svc+0x58/0x14c [ 82.737544][ T5268] el0_svc+0x78/0x1e0 [ 82.738118][ T5268] el0t_64_sync_handler+0xcc/0xe4 [ 82.738928][ T5268] el0t_64_sync+0x1a0/0x1a4 [ 82.752241][ T5270] FAULT_INJECTION: forcing a failure. [ 82.752241][ T5270] name failslab, interval 1, probability 0, space 0, times 0 [ 82.754286][ T5270] CPU: 1 PID: 5270 Comm: syz.0.145 Tainted: G W syzkaller #0 [ 82.755640][ T5270] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.757177][ T5270] Call trace: [ 82.757651][ T5270] dump_backtrace+0x0/0x43c [ 82.758339][ T5270] show_stack+0x2c/0x3c [ 82.758919][ T5270] __dump_stack+0x30/0x40 [ 82.759544][ T5270] dump_stack_lvl+0xf8/0x160 [ 82.760197][ T5270] dump_stack+0x1c/0x5c [ 82.760798][ T5270] should_fail+0x3c0/0x51c [ 82.761423][ T5270] __should_failslab+0xbc/0x10c [ 82.762166][ T5270] should_failslab+0x10/0x28 [ 82.762801][ T5270] slab_pre_alloc_hook+0x64/0xec [ 82.763505][ T5270] kmem_cache_alloc+0x94/0x3e4 [ 82.764203][ T5270] security_inode_alloc+0x38/0x11c [ 82.765011][ T5270] inode_init_always+0x670/0xa84 [ 82.765722][ T5270] new_inode_pseudo+0x7c/0x1fc [ 82.766456][ T5270] new_inode+0x38/0x174 [ 82.767101][ T5270] bdev_alloc+0x30/0x1f8 [ 82.767748][ T5270] __alloc_disk_node+0xbc/0x458 [ 82.768465][ T5270] __blk_mq_alloc_disk+0xe8/0x154 [ 82.769206][ T5270] loop_add+0x240/0x6e0 [ 82.769841][ T5270] loop_control_ioctl+0x128/0x4d0 [ 82.770595][ T5270] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.771333][ T5270] invoke_syscall+0x98/0x2b8 [ 82.772009][ T5270] el0_svc_common+0x138/0x258 [ 82.772691][ T5270] do_el0_svc+0x58/0x14c [ 82.773345][ T5270] el0_svc+0x78/0x1e0 [ 82.773920][ T5270] el0t_64_sync_handler+0xcc/0xe4 [ 82.774641][ T5270] el0t_64_sync+0x1a0/0x1a4 [ 82.784173][ T5272] FAULT_INJECTION: forcing a failure. [ 82.784173][ T5272] name failslab, interval 1, probability 0, space 0, times 0 [ 82.786483][ T5272] CPU: 0 PID: 5272 Comm: syz.0.146 Tainted: G W syzkaller #0 [ 82.787858][ T5272] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.789323][ T5272] Call trace: [ 82.789819][ T5272] dump_backtrace+0x0/0x43c [ 82.790447][ T5272] show_stack+0x2c/0x3c [ 82.791068][ T5272] __dump_stack+0x30/0x40 [ 82.791691][ T5272] dump_stack_lvl+0xf8/0x160 [ 82.792390][ T5272] dump_stack+0x1c/0x5c [ 82.792968][ T5272] should_fail+0x3c0/0x51c [ 82.793597][ T5272] __should_failslab+0xbc/0x10c [ 82.794318][ T5272] should_failslab+0x10/0x28 [ 82.795030][ T5272] slab_pre_alloc_hook+0x64/0xec [ 82.795776][ T5272] kmem_cache_alloc_trace+0x98/0x3fc [ 82.796557][ T5272] blk_iolatency_init+0x64/0x430 [ 82.797352][ T5272] blkcg_init_queue+0x3f0/0x484 [ 82.798047][ T5272] blk_alloc_queue+0x3cc/0x4a0 [ 82.798801][ T5272] __blk_mq_alloc_disk+0x5c/0x154 [ 82.799522][ T5272] loop_add+0x240/0x6e0 [ 82.800115][ T5272] loop_control_ioctl+0x128/0x4d0 [ 82.800817][ T5272] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.801495][ T5272] invoke_syscall+0x98/0x2b8 [ 82.802123][ T5272] el0_svc_common+0x138/0x258 [ 82.802793][ T5272] do_el0_svc+0x58/0x14c [ 82.803395][ T5272] el0_svc+0x78/0x1e0 [ 82.803981][ T5272] el0t_64_sync_handler+0xcc/0xe4 [ 82.804752][ T5272] el0t_64_sync+0x1a0/0x1a4 [ 82.813572][ T5274] FAULT_INJECTION: forcing a failure. [ 82.813572][ T5274] name failslab, interval 1, probability 0, space 0, times 0 [ 82.815456][ T5274] CPU: 1 PID: 5274 Comm: syz.0.147 Tainted: G W syzkaller #0 [ 82.816792][ T5274] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.818285][ T5274] Call trace: [ 82.818767][ T5274] dump_backtrace+0x0/0x43c [ 82.819454][ T5274] show_stack+0x2c/0x3c [ 82.820078][ T5274] __dump_stack+0x30/0x40 [ 82.820756][ T5274] dump_stack_lvl+0xf8/0x160 [ 82.821440][ T5274] dump_stack+0x1c/0x5c [ 82.822078][ T5274] should_fail+0x3c0/0x51c [ 82.822722][ T5274] __should_failslab+0xbc/0x10c [ 82.823425][ T5274] should_failslab+0x10/0x28 [ 82.824100][ T5274] slab_pre_alloc_hook+0x64/0xec [ 82.824787][ T5274] kmem_cache_alloc+0x94/0x3e4 [ 82.825466][ T5274] __debug_object_init+0x774/0x98c [ 82.826158][ T5274] debug_object_init+0x20/0x2c [ 82.826852][ T5274] __percpu_counter_init+0x10c/0x26c [ 82.827598][ T5274] blkg_rwstat_init+0x164/0x2b8 [ 82.828286][ T5274] throtl_pd_alloc+0xc0/0x4ec [ 82.828973][ T5274] blkcg_activate_policy+0x204/0xa8c [ 82.829719][ T5274] blk_throtl_init+0x308/0x3ec [ 82.830390][ T5274] blkcg_init_queue+0x3cc/0x484 [ 82.831078][ T5274] blk_alloc_queue+0x3cc/0x4a0 [ 82.831798][ T5274] __blk_mq_alloc_disk+0x5c/0x154 [ 82.832457][ T5274] loop_add+0x240/0x6e0 [ 82.833032][ T5274] loop_control_ioctl+0x128/0x4d0 [ 82.833761][ T5274] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.834466][ T5274] invoke_syscall+0x98/0x2b8 [ 82.835117][ T5274] el0_svc_common+0x138/0x258 [ 82.835738][ T5274] do_el0_svc+0x58/0x14c [ 82.836369][ T5274] el0_svc+0x78/0x1e0 [ 82.836930][ T5274] el0t_64_sync_handler+0xcc/0xe4 [ 82.837596][ T5274] el0t_64_sync+0x1a0/0x1a4 [ 82.851093][ T5276] FAULT_INJECTION: forcing a failure. [ 82.851093][ T5276] name failslab, interval 1, probability 0, space 0, times 0 [ 82.852926][ T5276] CPU: 0 PID: 5276 Comm: syz.0.148 Tainted: G W syzkaller #0 [ 82.854131][ T5276] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.855525][ T5276] Call trace: [ 82.856024][ T5276] dump_backtrace+0x0/0x43c [ 82.856671][ T5276] show_stack+0x2c/0x3c [ 82.857243][ T5276] __dump_stack+0x30/0x40 [ 82.857874][ T5276] dump_stack_lvl+0xf8/0x160 [ 82.858575][ T5276] dump_stack+0x1c/0x5c [ 82.859148][ T5276] should_fail+0x3c0/0x51c [ 82.859800][ T5276] __should_failslab+0xbc/0x10c [ 82.860643][ T5276] should_failslab+0x10/0x28 [ 82.861384][ T5276] slab_pre_alloc_hook+0x64/0xec [ 82.862143][ T5276] __kmalloc_track_caller+0x74/0x370 [ 82.862957][ T5276] kstrdup+0xe4/0x15c [ 82.863561][ T5276] kstrdup_const+0x54/0x6c [ 82.864233][ T5276] kvasprintf_const+0x118/0x2d0 [ 82.864954][ T5276] kobject_set_name_vargs+0xcc/0x1b4 [ 82.865719][ T5276] dev_set_name+0xd8/0x124 [ 82.866373][ T5276] device_add_disk+0x258/0xad0 [ 82.867046][ T5276] loop_add+0x510/0x6e0 [ 82.867663][ T5276] loop_control_ioctl+0x128/0x4d0 [ 82.868479][ T5276] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.869188][ T5276] invoke_syscall+0x98/0x2b8 [ 82.869849][ T5276] el0_svc_common+0x138/0x258 [ 82.870544][ T5276] do_el0_svc+0x58/0x14c [ 82.871149][ T5276] el0_svc+0x78/0x1e0 [ 82.871700][ T5276] el0t_64_sync_handler+0xcc/0xe4 [ 82.872390][ T5276] el0t_64_sync+0x1a0/0x1a4 [ 82.882139][ T5278] FAULT_INJECTION: forcing a failure. [ 82.882139][ T5278] name failslab, interval 1, probability 0, space 0, times 0 [ 82.884050][ T5278] CPU: 0 PID: 5278 Comm: syz.0.149 Tainted: G W syzkaller #0 [ 82.885278][ T5278] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.886787][ T5278] Call trace: [ 82.887241][ T5278] dump_backtrace+0x0/0x43c [ 82.887882][ T5278] show_stack+0x2c/0x3c [ 82.888486][ T5278] __dump_stack+0x30/0x40 [ 82.889106][ T5278] dump_stack_lvl+0xf8/0x160 [ 82.889792][ T5278] dump_stack+0x1c/0x5c [ 82.890432][ T5278] should_fail+0x3c0/0x51c [ 82.891045][ T5278] __should_failslab+0xbc/0x10c [ 82.891734][ T5278] should_failslab+0x10/0x28 [ 82.892400][ T5278] slab_pre_alloc_hook+0x64/0xec [ 82.893104][ T5278] kmem_cache_alloc+0x94/0x3e4 [ 82.893802][ T5278] security_inode_alloc+0x38/0x11c [ 82.894521][ T5278] inode_init_always+0x670/0xa84 [ 82.895205][ T5278] new_inode_pseudo+0x7c/0x1fc [ 82.895922][ T5278] new_inode+0x38/0x174 [ 82.896502][ T5278] bdev_alloc+0x30/0x1f8 [ 82.897072][ T5278] __alloc_disk_node+0xbc/0x458 [ 82.897746][ T5278] __blk_mq_alloc_disk+0xe8/0x154 [ 82.898445][ T5278] loop_add+0x240/0x6e0 [ 82.899001][ T5278] loop_control_ioctl+0x128/0x4d0 [ 82.899694][ T5278] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.900399][ T5278] invoke_syscall+0x98/0x2b8 [ 82.901033][ T5278] el0_svc_common+0x138/0x258 [ 82.901731][ T5278] do_el0_svc+0x58/0x14c [ 82.902316][ T5278] el0_svc+0x78/0x1e0 [ 82.902837][ T5278] el0t_64_sync_handler+0xcc/0xe4 [ 82.903534][ T5278] el0t_64_sync+0x1a0/0x1a4 [ 82.914696][ T5280] FAULT_INJECTION: forcing a failure. [ 82.914696][ T5280] name failslab, interval 1, probability 0, space 0, times 0 [ 82.916750][ T5280] CPU: 1 PID: 5280 Comm: syz.0.150 Tainted: G W syzkaller #0 [ 82.918076][ T5280] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.919799][ T5280] Call trace: [ 82.920323][ T5280] dump_backtrace+0x0/0x43c [ 82.921012][ T5280] show_stack+0x2c/0x3c [ 82.921671][ T5280] __dump_stack+0x30/0x40 [ 82.922318][ T5280] dump_stack_lvl+0xf8/0x160 [ 82.922963][ T5280] dump_stack+0x1c/0x5c [ 82.923547][ T5280] should_fail+0x3c0/0x51c [ 82.924168][ T5280] __should_failslab+0xbc/0x10c [ 82.924855][ T5280] should_failslab+0x10/0x28 [ 82.925543][ T5280] slab_pre_alloc_hook+0x64/0xec [ 82.926316][ T5280] __kmalloc_track_caller+0x74/0x370 [ 82.927130][ T5280] kstrdup+0xe4/0x15c [ 82.927668][ T5280] kstrdup_const+0x54/0x6c [ 82.928292][ T5280] kvasprintf_const+0x118/0x2d0 [ 82.928970][ T5280] kobject_set_name_vargs+0xcc/0x1b4 [ 82.929727][ T5280] dev_set_name+0xd8/0x124 [ 82.930325][ T5280] device_add_disk+0x258/0xad0 [ 82.931038][ T5280] loop_add+0x510/0x6e0 [ 82.931720][ T5280] loop_control_ioctl+0x128/0x4d0 [ 82.932369][ T5280] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.933013][ T5280] invoke_syscall+0x98/0x2b8 [ 82.933697][ T5280] el0_svc_common+0x138/0x258 [ 82.934336][ T5280] do_el0_svc+0x58/0x14c [ 82.934937][ T5280] el0_svc+0x78/0x1e0 [ 82.935503][ T5280] el0t_64_sync_handler+0xcc/0xe4 [ 82.936244][ T5280] el0t_64_sync+0x1a0/0x1a4 [ 82.944540][ T5282] FAULT_INJECTION: forcing a failure. [ 82.944540][ T5282] name failslab, interval 1, probability 0, space 0, times 0 [ 82.946452][ T5282] CPU: 1 PID: 5282 Comm: syz.0.151 Tainted: G W syzkaller #0 [ 82.947648][ T5282] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.949046][ T5282] Call trace: [ 82.949479][ T5282] dump_backtrace+0x0/0x43c [ 82.950072][ T5282] show_stack+0x2c/0x3c [ 82.950636][ T5282] __dump_stack+0x30/0x40 [ 82.951235][ T5282] dump_stack_lvl+0xf8/0x160 [ 82.951895][ T5282] dump_stack+0x1c/0x5c [ 82.952460][ T5282] should_fail+0x3c0/0x51c [ 82.953085][ T5282] __should_failslab+0xbc/0x10c [ 82.953779][ T5282] should_failslab+0x10/0x28 [ 82.954448][ T5282] slab_pre_alloc_hook+0x64/0xec [ 82.955173][ T5282] kmem_cache_alloc_trace+0x98/0x3fc [ 82.955962][ T5282] blk_iolatency_init+0x64/0x430 [ 82.956683][ T5282] blkcg_init_queue+0x3f0/0x484 [ 82.957365][ T5282] blk_alloc_queue+0x3cc/0x4a0 [ 82.958061][ T5282] __blk_mq_alloc_disk+0x5c/0x154 [ 82.958819][ T5282] loop_add+0x240/0x6e0 [ 82.959490][ T5282] loop_control_ioctl+0x128/0x4d0 [ 82.960289][ T5282] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.961043][ T5282] invoke_syscall+0x98/0x2b8 [ 82.961752][ T5282] el0_svc_common+0x138/0x258 [ 82.962419][ T5282] do_el0_svc+0x58/0x14c [ 82.963079][ T5282] el0_svc+0x78/0x1e0 [ 82.963662][ T5282] el0t_64_sync_handler+0xcc/0xe4 [ 82.964413][ T5282] el0t_64_sync+0x1a0/0x1a4 [ 82.974480][ T5284] FAULT_INJECTION: forcing a failure. [ 82.974480][ T5284] name failslab, interval 1, probability 0, space 0, times 0 [ 82.976669][ T5284] CPU: 0 PID: 5284 Comm: syz.0.152 Tainted: G W syzkaller #0 [ 82.977913][ T5284] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.979369][ T5284] Call trace: [ 82.979813][ T5284] dump_backtrace+0x0/0x43c [ 82.980435][ T5284] show_stack+0x2c/0x3c [ 82.981031][ T5284] __dump_stack+0x30/0x40 [ 82.981627][ T5284] dump_stack_lvl+0xf8/0x160 [ 82.982326][ T5284] dump_stack+0x1c/0x5c [ 82.982895][ T5284] should_fail+0x3c0/0x51c [ 82.983514][ T5284] __should_failslab+0xbc/0x10c [ 82.984196][ T5284] should_failslab+0x10/0x28 [ 82.984804][ T5284] slab_pre_alloc_hook+0x64/0xec [ 82.985538][ T5284] __kmalloc_track_caller+0x74/0x370 [ 82.986257][ T5284] kstrdup+0xe4/0x15c [ 82.986825][ T5284] kstrdup_const+0x54/0x6c [ 82.987444][ T5284] kvasprintf_const+0x118/0x2d0 [ 82.988158][ T5284] kobject_set_name_vargs+0xcc/0x1b4 [ 82.988940][ T5284] dev_set_name+0xd8/0x124 [ 82.989579][ T5284] device_add_disk+0x258/0xad0 [ 82.990276][ T5284] loop_add+0x510/0x6e0 [ 82.990885][ T5284] loop_control_ioctl+0x128/0x4d0 [ 82.991567][ T5284] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.992249][ T5284] invoke_syscall+0x98/0x2b8 [ 82.992871][ T5284] el0_svc_common+0x138/0x258 [ 82.993503][ T5284] do_el0_svc+0x58/0x14c [ 82.994155][ T5284] el0_svc+0x78/0x1e0 [ 82.994728][ T5284] el0t_64_sync_handler+0xcc/0xe4 [ 82.995412][ T5284] el0t_64_sync+0x1a0/0x1a4 [ 83.003958][ T5286] FAULT_INJECTION: forcing a failure. [ 83.003958][ T5286] name failslab, interval 1, probability 0, space 0, times 0 [ 83.005825][ T5286] CPU: 0 PID: 5286 Comm: syz.0.153 Tainted: G W syzkaller #0 [ 83.007111][ T5286] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.008589][ T5286] Call trace: [ 83.009069][ T5286] dump_backtrace+0x0/0x43c [ 83.009690][ T5286] show_stack+0x2c/0x3c [ 83.010403][ T5286] __dump_stack+0x30/0x40 [ 83.011133][ T5286] dump_stack_lvl+0xf8/0x160 [ 83.011934][ T5286] dump_stack+0x1c/0x5c [ 83.012611][ T5286] should_fail+0x3c0/0x51c [ 83.013358][ T5286] __should_failslab+0xbc/0x10c [ 83.014135][ T5286] should_failslab+0x10/0x28 [ 83.014829][ T5286] slab_pre_alloc_hook+0x64/0xec [ 83.015565][ T5286] kmem_cache_alloc+0x94/0x3e4 [ 83.016228][ T5286] __debug_object_init+0x774/0x98c [ 83.017008][ T5286] debug_object_init+0x20/0x2c [ 83.017655][ T5286] __percpu_counter_init+0x10c/0x26c [ 83.018450][ T5286] blkg_rwstat_init+0x3c/0x2b8 [ 83.019128][ T5286] throtl_pd_alloc+0xf0/0x4ec [ 83.019802][ T5286] blkcg_activate_policy+0x204/0xa8c [ 83.020570][ T5286] blk_throtl_init+0x308/0x3ec [ 83.021215][ T5286] blkcg_init_queue+0x3cc/0x484 [ 83.021903][ T5286] blk_alloc_queue+0x3cc/0x4a0 [ 83.022510][ T5286] __blk_mq_alloc_disk+0x5c/0x154 [ 83.023277][ T5286] loop_add+0x240/0x6e0 [ 83.023899][ T5286] loop_control_ioctl+0x128/0x4d0 [ 83.024684][ T5286] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.025403][ T5286] invoke_syscall+0x98/0x2b8 [ 83.026017][ T5286] el0_svc_common+0x138/0x258 [ 83.026743][ T5286] do_el0_svc+0x58/0x14c [ 83.027389][ T5286] el0_svc+0x78/0x1e0 [ 83.027966][ T5286] el0t_64_sync_handler+0xcc/0xe4 [ 83.028674][ T5286] el0t_64_sync+0x1a0/0x1a4 [ 83.046596][ T5288] FAULT_INJECTION: forcing a failure. [ 83.046596][ T5288] name failslab, interval 1, probability 0, space 0, times 0 [ 83.048525][ T5288] CPU: 0 PID: 5288 Comm: syz.0.154 Tainted: G W syzkaller #0 [ 83.049814][ T5288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.051356][ T5288] Call trace: [ 83.051840][ T5288] dump_backtrace+0x0/0x43c [ 83.052523][ T5288] show_stack+0x2c/0x3c [ 83.053149][ T5288] __dump_stack+0x30/0x40 [ 83.053818][ T5288] dump_stack_lvl+0xf8/0x160 [ 83.054507][ T5288] dump_stack+0x1c/0x5c [ 83.055126][ T5288] should_fail+0x3c0/0x51c [ 83.055799][ T5288] __should_failslab+0xbc/0x10c [ 83.056475][ T5288] should_failslab+0x10/0x28 [ 83.057167][ T5288] slab_pre_alloc_hook+0x64/0xec [ 83.057886][ T5288] kmem_cache_alloc+0x94/0x3e4 [ 83.058553][ T5288] security_inode_alloc+0x38/0x11c [ 83.059278][ T5288] inode_init_always+0x670/0xa84 [ 83.059978][ T5288] new_inode_pseudo+0x7c/0x1fc [ 83.060633][ T5288] new_inode+0x38/0x174 [ 83.061198][ T5288] bdev_alloc+0x30/0x1f8 [ 83.061823][ T5288] __alloc_disk_node+0xbc/0x458 [ 83.062506][ T5288] __blk_mq_alloc_disk+0xe8/0x154 [ 83.063303][ T5288] loop_add+0x240/0x6e0 [ 83.063807][ T5288] loop_control_ioctl+0x128/0x4d0 [ 83.064503][ T5288] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.065210][ T5288] invoke_syscall+0x98/0x2b8 [ 83.065878][ T5288] el0_svc_common+0x138/0x258 [ 83.066624][ T5288] do_el0_svc+0x58/0x14c [ 83.067236][ T5288] el0_svc+0x78/0x1e0 [ 83.067771][ T5288] el0t_64_sync_handler+0xcc/0xe4 [ 83.068564][ T5288] el0t_64_sync+0x1a0/0x1a4 [ 83.078888][ T5290] FAULT_INJECTION: forcing a failure. [ 83.078888][ T5290] name failslab, interval 1, probability 0, space 0, times 0 [ 83.081102][ T5290] CPU: 1 PID: 5290 Comm: syz.0.155 Tainted: G W syzkaller #0 [ 83.082378][ T5290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.083901][ T5290] Call trace: [ 83.084413][ T5290] dump_backtrace+0x0/0x43c [ 83.085062][ T5290] show_stack+0x2c/0x3c [ 83.085682][ T5290] __dump_stack+0x30/0x40 [ 83.086345][ T5290] dump_stack_lvl+0xf8/0x160 [ 83.087019][ T5290] dump_stack+0x1c/0x5c [ 83.087617][ T5290] should_fail+0x3c0/0x51c [ 83.088286][ T5290] __should_failslab+0xbc/0x10c [ 83.089112][ T5290] should_failslab+0x10/0x28 [ 83.089824][ T5290] slab_pre_alloc_hook+0x64/0xec [ 83.090589][ T5290] __kmalloc_track_caller+0x74/0x370 [ 83.091439][ T5290] kstrdup+0xe4/0x15c [ 83.092046][ T5290] kstrdup_const+0x54/0x6c [ 83.092756][ T5290] kvasprintf_const+0x118/0x2d0 [ 83.093470][ T5290] kobject_set_name_vargs+0xcc/0x1b4 [ 83.094242][ T5290] dev_set_name+0xd8/0x124 [ 83.094953][ T5290] device_add_disk+0x258/0xad0 [ 83.095746][ T5290] loop_add+0x510/0x6e0 [ 83.096345][ T5290] loop_control_ioctl+0x128/0x4d0 [ 83.097091][ T5290] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.097845][ T5290] invoke_syscall+0x98/0x2b8 [ 83.098496][ T5290] el0_svc_common+0x138/0x258 [ 83.099229][ T5290] do_el0_svc+0x58/0x14c [ 83.099883][ T5290] el0_svc+0x78/0x1e0 [ 83.100485][ T5290] el0t_64_sync_handler+0xcc/0xe4 [ 83.101213][ T5290] el0t_64_sync+0x1a0/0x1a4 [ 83.110778][ T5292] FAULT_INJECTION: forcing a failure. [ 83.110778][ T5292] name failslab, interval 1, probability 0, space 0, times 0 [ 83.112671][ T5292] CPU: 0 PID: 5292 Comm: syz.0.156 Tainted: G W syzkaller #0 [ 83.113848][ T5292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.115282][ T5292] Call trace: [ 83.115796][ T5292] dump_backtrace+0x0/0x43c [ 83.116503][ T5292] show_stack+0x2c/0x3c [ 83.117115][ T5292] __dump_stack+0x30/0x40 [ 83.117717][ T5292] dump_stack_lvl+0xf8/0x160 [ 83.118418][ T5292] dump_stack+0x1c/0x5c [ 83.118986][ T5292] should_fail+0x3c0/0x51c [ 83.119582][ T5292] __should_failslab+0xbc/0x10c [ 83.120267][ T5292] should_failslab+0x10/0x28 [ 83.120960][ T5292] slab_pre_alloc_hook+0x64/0xec [ 83.121688][ T5292] __kmalloc_track_caller+0x74/0x370 [ 83.122491][ T5292] kstrdup+0xe4/0x15c [ 83.123075][ T5292] kstrdup_const+0x54/0x6c [ 83.123741][ T5292] kvasprintf_const+0x118/0x2d0 [ 83.124488][ T5292] kobject_set_name_vargs+0xcc/0x1b4 [ 83.125319][ T5292] dev_set_name+0xd8/0x124 [ 83.125954][ T5292] device_add_disk+0x258/0xad0 [ 83.126666][ T5292] loop_add+0x510/0x6e0 [ 83.127320][ T5292] loop_control_ioctl+0x128/0x4d0 [ 83.128057][ T5292] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.128771][ T5292] invoke_syscall+0x98/0x2b8 [ 83.129414][ T5292] el0_svc_common+0x138/0x258 [ 83.130072][ T5292] do_el0_svc+0x58/0x14c [ 83.130686][ T5292] el0_svc+0x78/0x1e0 [ 83.131241][ T5292] el0t_64_sync_handler+0xcc/0xe4 [ 83.131946][ T5292] el0t_64_sync+0x1a0/0x1a4 [ 83.143161][ T5294] FAULT_INJECTION: forcing a failure. [ 83.143161][ T5294] name failslab, interval 1, probability 0, space 0, times 0 [ 83.144985][ T5294] CPU: 1 PID: 5294 Comm: syz.0.157 Tainted: G W syzkaller #0 [ 83.146181][ T5294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.147697][ T5294] Call trace: [ 83.148187][ T5294] dump_backtrace+0x0/0x43c [ 83.148856][ T5294] show_stack+0x2c/0x3c [ 83.149476][ T5294] __dump_stack+0x30/0x40 [ 83.150117][ T5294] dump_stack_lvl+0xf8/0x160 [ 83.150732][ T5294] dump_stack+0x1c/0x5c [ 83.151325][ T5294] should_fail+0x3c0/0x51c [ 83.151954][ T5294] __should_failslab+0xbc/0x10c [ 83.152683][ T5294] should_failslab+0x10/0x28 [ 83.153393][ T5294] slab_pre_alloc_hook+0x64/0xec [ 83.154178][ T5294] kmem_cache_alloc_trace+0x98/0x3fc [ 83.154973][ T5294] blk_iolatency_init+0x64/0x430 [ 83.155708][ T5294] blkcg_init_queue+0x3f0/0x484 [ 83.156367][ T5294] blk_alloc_queue+0x3cc/0x4a0 [ 83.157068][ T5294] __blk_mq_alloc_disk+0x5c/0x154 [ 83.157801][ T5294] loop_add+0x240/0x6e0 [ 83.158406][ T5294] loop_control_ioctl+0x128/0x4d0 [ 83.159106][ T5294] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.159774][ T5294] invoke_syscall+0x98/0x2b8 [ 83.160544][ T5294] el0_svc_common+0x138/0x258 [ 83.161286][ T5294] do_el0_svc+0x58/0x14c [ 83.161908][ T5294] el0_svc+0x78/0x1e0 [ 83.162490][ T5294] el0t_64_sync_handler+0xcc/0xe4 [ 83.163197][ T5294] el0t_64_sync+0x1a0/0x1a4 [ 83.172607][ T5296] FAULT_INJECTION: forcing a failure. [ 83.172607][ T5296] name failslab, interval 1, probability 0, space 0, times 0 [ 83.174585][ T5296] CPU: 0 PID: 5296 Comm: syz.0.158 Tainted: G W syzkaller #0 [ 83.175861][ T5296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.177342][ T5296] Call trace: [ 83.177794][ T5296] dump_backtrace+0x0/0x43c [ 83.178423][ T5296] show_stack+0x2c/0x3c [ 83.179024][ T5296] __dump_stack+0x30/0x40 [ 83.179623][ T5296] dump_stack_lvl+0xf8/0x160 [ 83.180320][ T5296] dump_stack+0x1c/0x5c [ 83.180956][ T5296] should_fail+0x3c0/0x51c [ 83.181651][ T5296] __should_failslab+0xbc/0x10c [ 83.182456][ T5296] should_failslab+0x10/0x28 [ 83.183225][ T5296] slab_pre_alloc_hook+0x64/0xec [ 83.184027][ T5296] kmem_cache_alloc+0x94/0x3e4 [ 83.184765][ T5296] security_inode_alloc+0x38/0x11c [ 83.185540][ T5296] inode_init_always+0x670/0xa84 [ 83.186256][ T5296] new_inode_pseudo+0x7c/0x1fc [ 83.186958][ T5296] new_inode+0x38/0x174 [ 83.187550][ T5296] bdev_alloc+0x30/0x1f8 [ 83.188192][ T5296] __alloc_disk_node+0xbc/0x458 [ 83.188962][ T5296] __blk_mq_alloc_disk+0xe8/0x154 [ 83.189702][ T5296] loop_add+0x240/0x6e0 [ 83.190342][ T5296] loop_control_ioctl+0x128/0x4d0 [ 83.191048][ T5296] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.191746][ T5296] invoke_syscall+0x98/0x2b8 [ 83.192415][ T5296] el0_svc_common+0x138/0x258 [ 83.193105][ T5296] do_el0_svc+0x58/0x14c [ 83.193719][ T5296] el0_svc+0x78/0x1e0 [ 83.194307][ T5296] el0t_64_sync_handler+0xcc/0xe4 [ 83.195017][ T5296] el0t_64_sync+0x1a0/0x1a4 [ 83.205852][ T5298] FAULT_INJECTION: forcing a failure. [ 83.205852][ T5298] name failslab, interval 1, probability 0, space 0, times 0 [ 83.207898][ T5298] CPU: 0 PID: 5298 Comm: syz.0.159 Tainted: G W syzkaller #0 [ 83.209156][ T5298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.210769][ T5298] Call trace: [ 83.211297][ T5298] dump_backtrace+0x0/0x43c [ 83.212036][ T5298] show_stack+0x2c/0x3c [ 83.212708][ T5298] __dump_stack+0x30/0x40 [ 83.213382][ T5298] dump_stack_lvl+0xf8/0x160 [ 83.214158][ T5298] dump_stack+0x1c/0x5c [ 83.214781][ T5298] should_fail+0x3c0/0x51c [ 83.215439][ T5298] __should_failslab+0xbc/0x10c [ 83.216228][ T5298] should_failslab+0x10/0x28 [ 83.216916][ T5298] slab_pre_alloc_hook+0x64/0xec [ 83.217692][ T5298] __kmalloc_track_caller+0x74/0x370 [ 83.218436][ T5298] kstrdup+0xe4/0x15c [ 83.218963][ T5298] kstrdup_const+0x54/0x6c [ 83.219615][ T5298] kvasprintf_const+0x118/0x2d0 [ 83.220318][ T5298] kobject_set_name_vargs+0xcc/0x1b4 [ 83.221110][ T5298] dev_set_name+0xd8/0x124 [ 83.221766][ T5298] device_add_disk+0x258/0xad0 [ 83.222489][ T5298] loop_add+0x510/0x6e0 [ 83.223107][ T5298] loop_control_ioctl+0x128/0x4d0 [ 83.223868][ T5298] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.224591][ T5298] invoke_syscall+0x98/0x2b8 [ 83.225312][ T5298] el0_svc_common+0x138/0x258 [ 83.226075][ T5298] do_el0_svc+0x58/0x14c [ 83.226766][ T5298] el0_svc+0x78/0x1e0 [ 83.227344][ T5298] el0t_64_sync_handler+0xcc/0xe4 [ 83.228106][ T5298] el0t_64_sync+0x1a0/0x1a4 [ 83.237188][ T5300] FAULT_INJECTION: forcing a failure. [ 83.237188][ T5300] name failslab, interval 1, probability 0, space 0, times 0 [ 83.239097][ T5300] CPU: 1 PID: 5300 Comm: syz.0.160 Tainted: G W syzkaller #0 [ 83.240390][ T5300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.241873][ T5300] Call trace: [ 83.242327][ T5300] dump_backtrace+0x0/0x43c [ 83.242980][ T5300] show_stack+0x2c/0x3c [ 83.243555][ T5300] __dump_stack+0x30/0x40 [ 83.244224][ T5300] dump_stack_lvl+0xf8/0x160 [ 83.244919][ T5300] dump_stack+0x1c/0x5c [ 83.245603][ T5300] should_fail+0x3c0/0x51c [ 83.246287][ T5300] __should_failslab+0xbc/0x10c 1970/01/01 00:01:23 executed programs: 146 [ 83.247030][ T5300] should_failslab+0x10/0x28 [ 83.247719][ T5300] slab_pre_alloc_hook+0x64/0xec [ 83.248468][ T5300] kmem_cache_alloc_trace+0x98/0x3fc [ 83.249292][ T5300] blk_iolatency_init+0x64/0x430 [ 83.250057][ T5300] blkcg_init_queue+0x3f0/0x484 [ 83.250773][ T5300] blk_alloc_queue+0x3cc/0x4a0 [ 83.251458][ T5300] __blk_mq_alloc_disk+0x5c/0x154 [ 83.252174][ T5300] loop_add+0x240/0x6e0 [ 83.252802][ T5300] loop_control_ioctl+0x128/0x4d0 [ 83.253636][ T5300] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.254360][ T5300] invoke_syscall+0x98/0x2b8 [ 83.255096][ T5300] el0_svc_common+0x138/0x258 [ 83.255773][ T5300] do_el0_svc+0x58/0x14c [ 83.256390][ T5300] el0_svc+0x78/0x1e0 [ 83.256980][ T5300] el0t_64_sync_handler+0xcc/0xe4 [ 83.257750][ T5300] el0t_64_sync+0x1a0/0x1a4 [ 83.267807][ T5302] FAULT_INJECTION: forcing a failure. [ 83.267807][ T5302] name failslab, interval 1, probability 0, space 0, times 0 [ 83.269840][ T5302] CPU: 0 PID: 5302 Comm: syz.0.161 Tainted: G W syzkaller #0 [ 83.271118][ T5302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.272650][ T5302] Call trace: [ 83.273142][ T5302] dump_backtrace+0x0/0x43c [ 83.273743][ T5302] show_stack+0x2c/0x3c [ 83.274379][ T5302] __dump_stack+0x30/0x40 [ 83.274994][ T5302] dump_stack_lvl+0xf8/0x160 [ 83.275638][ T5302] dump_stack+0x1c/0x5c [ 83.276203][ T5302] should_fail+0x3c0/0x51c [ 83.276897][ T5302] __should_failslab+0xbc/0x10c [ 83.277568][ T5302] should_failslab+0x10/0x28 [ 83.278196][ T5302] slab_pre_alloc_hook+0x64/0xec [ 83.278916][ T5302] __kmalloc_node+0xb8/0x520 [ 83.279644][ T5302] memcg_alloc_page_obj_cgroups+0x80/0x174 [ 83.280512][ T5302] new_slab+0x114/0x55c [ 83.281141][ T5302] ___slab_alloc+0x6c0/0xda8 [ 83.281799][ T5302] __slab_alloc+0x68/0xc0 [ 83.282405][ T5302] kmem_cache_alloc+0x2ac/0x3e4 [ 83.283138][ T5302] bdev_alloc_inode+0x24/0x60 [ 83.283831][ T5302] new_inode_pseudo+0x68/0x1fc [ 83.284503][ T5302] new_inode+0x38/0x174 [ 83.285078][ T5302] bdev_alloc+0x30/0x1f8 [ 83.285676][ T5302] __alloc_disk_node+0xbc/0x458 [ 83.286410][ T5302] __blk_mq_alloc_disk+0xe8/0x154 [ 83.287104][ T5302] loop_add+0x240/0x6e0 [ 83.287730][ T5302] loop_control_ioctl+0x128/0x4d0 [ 83.288495][ T5302] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.289177][ T5302] invoke_syscall+0x98/0x2b8 [ 83.289817][ T5302] el0_svc_common+0x138/0x258 [ 83.290537][ T5302] do_el0_svc+0x58/0x14c [ 83.291155][ T5302] el0_svc+0x78/0x1e0 [ 83.291765][ T5302] el0t_64_sync_handler+0xcc/0xe4 [ 83.292528][ T5302] el0t_64_sync+0x1a0/0x1a4 [ 83.306508][ T5304] FAULT_INJECTION: forcing a failure. [ 83.306508][ T5304] name failslab, interval 1, probability 0, space 0, times 0 [ 83.308396][ T5304] CPU: 1 PID: 5304 Comm: syz.0.162 Tainted: G W syzkaller #0 [ 83.309688][ T5304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.311079][ T5304] Call trace: [ 83.311590][ T5304] dump_backtrace+0x0/0x43c [ 83.312255][ T5304] show_stack+0x2c/0x3c [ 83.312824][ T5304] __dump_stack+0x30/0x40 [ 83.313485][ T5304] dump_stack_lvl+0xf8/0x160 [ 83.314165][ T5304] dump_stack+0x1c/0x5c [ 83.314755][ T5304] should_fail+0x3c0/0x51c [ 83.315397][ T5304] __should_failslab+0xbc/0x10c [ 83.316155][ T5304] should_failslab+0x10/0x28 [ 83.316827][ T5304] slab_pre_alloc_hook+0x64/0xec [ 83.317597][ T5304] kmem_cache_alloc+0x94/0x3e4 [ 83.318325][ T5304] bdev_alloc_inode+0x24/0x60 [ 83.319045][ T5304] new_inode_pseudo+0x68/0x1fc [ 83.319739][ T5304] new_inode+0x38/0x174 [ 83.320374][ T5304] bdev_alloc+0x30/0x1f8 [ 83.320999][ T5304] __alloc_disk_node+0xbc/0x458 [ 83.321660][ T5304] __blk_mq_alloc_disk+0xe8/0x154 [ 83.322389][ T5304] loop_add+0x240/0x6e0 [ 83.322992][ T5304] loop_control_ioctl+0x128/0x4d0 [ 83.323750][ T5304] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.324444][ T5304] invoke_syscall+0x98/0x2b8 [ 83.325094][ T5304] el0_svc_common+0x138/0x258 [ 83.325737][ T5304] do_el0_svc+0x58/0x14c [ 83.326386][ T5304] el0_svc+0x78/0x1e0 [ 83.326960][ T5304] el0t_64_sync_handler+0xcc/0xe4 [ 83.327698][ T5304] el0t_64_sync+0x1a0/0x1a4 [ 83.337629][ T5306] FAULT_INJECTION: forcing a failure. [ 83.337629][ T5306] name failslab, interval 1, probability 0, space 0, times 0 [ 83.339706][ T5306] CPU: 1 PID: 5306 Comm: syz.0.163 Tainted: G W syzkaller #0 [ 83.341015][ T5306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.342572][ T5306] Call trace: [ 83.343051][ T5306] dump_backtrace+0x0/0x43c [ 83.343750][ T5306] show_stack+0x2c/0x3c [ 83.344356][ T5306] __dump_stack+0x30/0x40 [ 83.345004][ T5306] dump_stack_lvl+0xf8/0x160 [ 83.345708][ T5306] dump_stack+0x1c/0x5c [ 83.346332][ T5306] should_fail+0x3c0/0x51c [ 83.347048][ T5306] __should_failslab+0xbc/0x10c [ 83.347802][ T5306] should_failslab+0x10/0x28 [ 83.348500][ T5306] slab_pre_alloc_hook+0x64/0xec [ 83.349262][ T5306] kmem_cache_alloc+0x94/0x3e4 [ 83.349956][ T5306] security_inode_alloc+0x38/0x11c [ 83.350721][ T5306] inode_init_always+0x670/0xa84 [ 83.351418][ T5306] new_inode_pseudo+0x7c/0x1fc [ 83.352136][ T5306] new_inode+0x38/0x174 [ 83.352693][ T5306] bdev_alloc+0x30/0x1f8 [ 83.353297][ T5306] __alloc_disk_node+0xbc/0x458 [ 83.354082][ T5306] __blk_mq_alloc_disk+0xe8/0x154 [ 83.354803][ T5306] loop_add+0x240/0x6e0 [ 83.355397][ T5306] loop_control_ioctl+0x128/0x4d0 [ 83.356125][ T5306] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.356791][ T5306] invoke_syscall+0x98/0x2b8 [ 83.357418][ T5306] el0_svc_common+0x138/0x258 [ 83.358131][ T5306] do_el0_svc+0x58/0x14c [ 83.358711][ T5306] el0_svc+0x78/0x1e0 [ 83.359253][ T5306] el0t_64_sync_handler+0xcc/0xe4 [ 83.359988][ T5306] el0t_64_sync+0x1a0/0x1a4 [ 83.368850][ T5308] FAULT_INJECTION: forcing a failure. [ 83.368850][ T5308] name failslab, interval 1, probability 0, space 0, times 0 [ 83.370718][ T5308] CPU: 0 PID: 5308 Comm: syz.0.164 Tainted: G W syzkaller #0 [ 83.372003][ T5308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.373515][ T5308] Call trace: [ 83.373955][ T5308] dump_backtrace+0x0/0x43c [ 83.374648][ T5308] show_stack+0x2c/0x3c [ 83.375245][ T5308] __dump_stack+0x30/0x40 [ 83.375929][ T5308] dump_stack_lvl+0xf8/0x160 [ 83.376628][ T5308] dump_stack+0x1c/0x5c [ 83.377214][ T5308] should_fail+0x3c0/0x51c [ 83.377862][ T5308] __should_failslab+0xbc/0x10c [ 83.378531][ T5308] should_failslab+0x10/0x28 [ 83.379216][ T5308] slab_pre_alloc_hook+0x64/0xec [ 83.379936][ T5308] kmem_cache_alloc+0x94/0x3e4 [ 83.380644][ T5308] __debug_object_init+0x648/0x98c [ 83.381372][ T5308] debug_object_init+0x20/0x2c [ 83.382014][ T5308] __init_work+0x58/0x68 [ 83.382622][ T5308] wb_init+0x3dc/0x6ec [ 83.383184][ T5308] bdi_init+0x1b4/0x2f4 [ 83.383811][ T5308] bdi_alloc+0x6c/0x144 [ 83.384429][ T5308] __alloc_disk_node+0x8c/0x458 [ 83.385116][ T5308] __blk_mq_alloc_disk+0xe8/0x154 [ 83.385778][ T5308] loop_add+0x240/0x6e0 [ 83.386347][ T5308] loop_control_ioctl+0x128/0x4d0 [ 83.387103][ T5308] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.387804][ T5308] invoke_syscall+0x98/0x2b8 [ 83.388471][ T5308] el0_svc_common+0x138/0x258 [ 83.389172][ T5308] do_el0_svc+0x58/0x14c [ 83.389816][ T5308] el0_svc+0x78/0x1e0 [ 83.390381][ T5308] el0t_64_sync_handler+0xcc/0xe4 [ 83.391098][ T5308] el0t_64_sync+0x1a0/0x1a4 [ 83.402797][ T5310] FAULT_INJECTION: forcing a failure. [ 83.402797][ T5310] name failslab, interval 1, probability 0, space 0, times 0 [ 83.404790][ T5310] CPU: 1 PID: 5310 Comm: syz.0.165 Tainted: G W syzkaller #0 [ 83.406122][ T5310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.407668][ T5310] Call trace: [ 83.408153][ T5310] dump_backtrace+0x0/0x43c [ 83.408889][ T5310] show_stack+0x2c/0x3c [ 83.409514][ T5310] __dump_stack+0x30/0x40 [ 83.410151][ T5310] dump_stack_lvl+0xf8/0x160 [ 83.410824][ T5310] dump_stack+0x1c/0x5c [ 83.411374][ T5310] should_fail+0x3c0/0x51c [ 83.412022][ T5310] __should_failslab+0xbc/0x10c [ 83.412701][ T5310] should_failslab+0x10/0x28 [ 83.413395][ T5310] slab_pre_alloc_hook+0x64/0xec [ 83.414134][ T5310] __kmalloc_track_caller+0x74/0x370 [ 83.414913][ T5310] kstrdup+0xe4/0x15c [ 83.415547][ T5310] kstrdup_const+0x54/0x6c [ 83.416193][ T5310] kvasprintf_const+0x118/0x2d0 [ 83.416871][ T5310] kobject_set_name_vargs+0xcc/0x1b4 [ 83.417674][ T5310] dev_set_name+0xd8/0x124 [ 83.418290][ T5310] device_add_disk+0x258/0xad0 [ 83.419008][ T5310] loop_add+0x510/0x6e0 [ 83.419610][ T5310] loop_control_ioctl+0x128/0x4d0 [ 83.420364][ T5310] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.421130][ T5310] invoke_syscall+0x98/0x2b8 [ 83.421830][ T5310] el0_svc_common+0x138/0x258 [ 83.422552][ T5310] do_el0_svc+0x58/0x14c [ 83.423213][ T5310] el0_svc+0x78/0x1e0 [ 83.423796][ T5310] el0t_64_sync_handler+0xcc/0xe4 [ 83.424528][ T5310] el0t_64_sync+0x1a0/0x1a4 [ 83.433975][ T5312] FAULT_INJECTION: forcing a failure. [ 83.433975][ T5312] name failslab, interval 1, probability 0, space 0, times 0 [ 83.436810][ T5312] CPU: 0 PID: 5312 Comm: syz.0.166 Tainted: G W syzkaller #0 [ 83.438062][ T5312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.439585][ T5312] Call trace: [ 83.440022][ T5312] dump_backtrace+0x0/0x43c [ 83.440671][ T5312] show_stack+0x2c/0x3c [ 83.441282][ T5312] __dump_stack+0x30/0x40 [ 83.441929][ T5312] dump_stack_lvl+0xf8/0x160 [ 83.442640][ T5312] dump_stack+0x1c/0x5c [ 83.443251][ T5312] should_fail+0x3c0/0x51c [ 83.443913][ T5312] __should_failslab+0xbc/0x10c [ 83.444655][ T5312] should_failslab+0x10/0x28 [ 83.445412][ T5312] slab_pre_alloc_hook+0x64/0xec [ 83.446253][ T5312] kmem_cache_alloc_trace+0x98/0x3fc [ 83.447153][ T5312] blk_iolatency_init+0x64/0x430 [ 83.447910][ T5312] blkcg_init_queue+0x3f0/0x484 [ 83.448615][ T5312] blk_alloc_queue+0x3cc/0x4a0 [ 83.449313][ T5312] __blk_mq_alloc_disk+0x5c/0x154 [ 83.450021][ T5312] loop_add+0x240/0x6e0 [ 83.450589][ T5312] loop_control_ioctl+0x128/0x4d0 [ 83.451344][ T5312] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.452094][ T5312] invoke_syscall+0x98/0x2b8 [ 83.452765][ T5312] el0_svc_common+0x138/0x258 [ 83.453428][ T5312] do_el0_svc+0x58/0x14c [ 83.454044][ T5312] el0_svc+0x78/0x1e0 [ 83.454620][ T5312] el0t_64_sync_handler+0xcc/0xe4 [ 83.455347][ T5312] el0t_64_sync+0x1a0/0x1a4 [ 83.465331][ T5314] FAULT_INJECTION: forcing a failure. [ 83.465331][ T5314] name failslab, interval 1, probability 0, space 0, times 0 [ 83.467564][ T5314] CPU: 0 PID: 5314 Comm: syz.0.167 Tainted: G W syzkaller #0 [ 83.468938][ T5314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.470368][ T5314] Call trace: [ 83.470829][ T5314] dump_backtrace+0x0/0x43c [ 83.471461][ T5314] show_stack+0x2c/0x3c [ 83.472057][ T5314] __dump_stack+0x30/0x40 [ 83.472648][ T5314] dump_stack_lvl+0xf8/0x160 [ 83.473315][ T5314] dump_stack+0x1c/0x5c [ 83.473891][ T5314] should_fail+0x3c0/0x51c [ 83.474516][ T5314] __should_failslab+0xbc/0x10c [ 83.475232][ T5314] should_failslab+0x10/0x28 [ 83.475959][ T5314] slab_pre_alloc_hook+0x64/0xec [ 83.476744][ T5314] kmem_cache_alloc+0x94/0x3e4 [ 83.477515][ T5314] __debug_object_init+0x670/0x98c [ 83.478331][ T5314] debug_object_init+0x20/0x2c [ 83.479073][ T5314] __percpu_counter_init+0x10c/0x26c [ 83.479886][ T5314] wb_init+0x5c0/0x6ec [ 83.480504][ T5314] bdi_init+0x1b4/0x2f4 [ 83.481143][ T5314] bdi_alloc+0x6c/0x144 [ 83.481769][ T5314] __alloc_disk_node+0x8c/0x458 [ 83.482463][ T5314] __blk_mq_alloc_disk+0xe8/0x154 [ 83.483223][ T5314] loop_add+0x240/0x6e0 [ 83.483817][ T5314] loop_control_ioctl+0x128/0x4d0 [ 83.484536][ T5314] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.485261][ T5314] invoke_syscall+0x98/0x2b8 [ 83.485936][ T5314] el0_svc_common+0x138/0x258 [ 83.486607][ T5314] do_el0_svc+0x58/0x14c [ 83.487290][ T5314] el0_svc+0x78/0x1e0 [ 83.487859][ T5314] el0t_64_sync_handler+0xcc/0xe4 [ 83.488572][ T5314] el0t_64_sync+0x1a0/0x1a4 [ 83.501077][ T5316] FAULT_INJECTION: forcing a failure. [ 83.501077][ T5316] name failslab, interval 1, probability 0, space 0, times 0 [ 83.503103][ T5316] CPU: 1 PID: 5316 Comm: syz.0.168 Tainted: G W syzkaller #0 [ 83.504537][ T5316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.506063][ T5316] Call trace: [ 83.506547][ T5316] dump_backtrace+0x0/0x43c [ 83.507187][ T5316] show_stack+0x2c/0x3c [ 83.507804][ T5316] __dump_stack+0x30/0x40 [ 83.508430][ T5316] dump_stack_lvl+0xf8/0x160 [ 83.509123][ T5316] dump_stack+0x1c/0x5c [ 83.509698][ T5316] should_fail+0x3c0/0x51c [ 83.510360][ T5316] __should_failslab+0xbc/0x10c [ 83.511069][ T5316] should_failslab+0x10/0x28 [ 83.511678][ T5316] slab_pre_alloc_hook+0x64/0xec [ 83.512352][ T5316] __kmalloc_track_caller+0x74/0x370 [ 83.513053][ T5316] kstrdup+0xe4/0x15c [ 83.513640][ T5316] kstrdup_const+0x54/0x6c [ 83.514288][ T5316] kvasprintf_const+0x118/0x2d0 [ 83.514952][ T5316] kobject_set_name_vargs+0xcc/0x1b4 [ 83.515669][ T5316] dev_set_name+0xd8/0x124 [ 83.516279][ T5316] device_add_disk+0x258/0xad0 [ 83.516970][ T5316] loop_add+0x510/0x6e0 [ 83.517575][ T5316] loop_control_ioctl+0x128/0x4d0 [ 83.518353][ T5316] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.519039][ T5316] invoke_syscall+0x98/0x2b8 [ 83.519681][ T5316] el0_svc_common+0x138/0x258 [ 83.520348][ T5316] do_el0_svc+0x58/0x14c [ 83.520984][ T5316] el0_svc+0x78/0x1e0 [ 83.521577][ T5316] el0t_64_sync_handler+0xcc/0xe4 [ 83.522366][ T5316] el0t_64_sync+0x1a0/0x1a4 [ 83.533487][ T5318] FAULT_INJECTION: forcing a failure. [ 83.533487][ T5318] name failslab, interval 1, probability 0, space 0, times 0 [ 83.535477][ T5318] CPU: 1 PID: 5318 Comm: syz.0.169 Tainted: G W syzkaller #0 [ 83.536912][ T5318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.538463][ T5318] Call trace: [ 83.538950][ T5318] dump_backtrace+0x0/0x43c [ 83.539636][ T5318] show_stack+0x2c/0x3c [ 83.540275][ T5318] __dump_stack+0x30/0x40 [ 83.540886][ T5318] dump_stack_lvl+0xf8/0x160 [ 83.541582][ T5318] dump_stack+0x1c/0x5c [ 83.542190][ T5318] should_fail+0x3c0/0x51c [ 83.542876][ T5318] __should_failslab+0xbc/0x10c [ 83.543584][ T5318] should_failslab+0x10/0x28 [ 83.544277][ T5318] slab_pre_alloc_hook+0x64/0xec [ 83.545066][ T5318] __kmalloc_track_caller+0x74/0x370 [ 83.545869][ T5318] kstrdup+0xe4/0x15c [ 83.546465][ T5318] kstrdup_const+0x54/0x6c [ 83.547123][ T5318] kvasprintf_const+0x118/0x2d0 [ 83.547864][ T5318] kobject_set_name_vargs+0xcc/0x1b4 [ 83.548643][ T5318] dev_set_name+0xd8/0x124 [ 83.549309][ T5318] device_add_disk+0x258/0xad0 [ 83.549975][ T5318] loop_add+0x510/0x6e0 [ 83.550639][ T5318] loop_control_ioctl+0x128/0x4d0 [ 83.551422][ T5318] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.552171][ T5318] invoke_syscall+0x98/0x2b8 [ 83.552867][ T5318] el0_svc_common+0x138/0x258 [ 83.553546][ T5318] do_el0_svc+0x58/0x14c [ 83.554158][ T5318] el0_svc+0x78/0x1e0 [ 83.554747][ T5318] el0t_64_sync_handler+0xcc/0xe4 [ 83.555449][ T5318] el0t_64_sync+0x1a0/0x1a4 [ 83.564472][ T5320] FAULT_INJECTION: forcing a failure. [ 83.564472][ T5320] name failslab, interval 1, probability 0, space 0, times 0 [ 83.566628][ T5320] CPU: 0 PID: 5320 Comm: syz.0.170 Tainted: G W syzkaller #0 [ 83.567882][ T5320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.569281][ T5320] Call trace: [ 83.569753][ T5320] dump_backtrace+0x0/0x43c [ 83.570423][ T5320] show_stack+0x2c/0x3c [ 83.570977][ T5320] __dump_stack+0x30/0x40 [ 83.571595][ T5320] dump_stack_lvl+0xf8/0x160 [ 83.572221][ T5320] dump_stack+0x1c/0x5c [ 83.572772][ T5320] should_fail+0x3c0/0x51c [ 83.573407][ T5320] __should_failslab+0xbc/0x10c [ 83.574133][ T5320] should_failslab+0x10/0x28 [ 83.574804][ T5320] slab_pre_alloc_hook+0x64/0xec [ 83.575544][ T5320] kmem_cache_alloc_trace+0x98/0x3fc [ 83.576284][ T5320] blk_iolatency_init+0x64/0x430 [ 83.576935][ T5320] blkcg_init_queue+0x3f0/0x484 [ 83.577723][ T5320] blk_alloc_queue+0x3cc/0x4a0 [ 83.578404][ T5320] __blk_mq_alloc_disk+0x5c/0x154 [ 83.579216][ T5320] loop_add+0x240/0x6e0 [ 83.579853][ T5320] loop_control_ioctl+0x128/0x4d0 [ 83.580652][ T5320] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.581435][ T5320] invoke_syscall+0x98/0x2b8 [ 83.582142][ T5320] el0_svc_common+0x138/0x258 [ 83.582872][ T5320] do_el0_svc+0x58/0x14c [ 83.583481][ T5320] el0_svc+0x78/0x1e0 [ 83.584044][ T5320] el0t_64_sync_handler+0xcc/0xe4 [ 83.584720][ T5320] el0t_64_sync+0x1a0/0x1a4 [ 83.594246][ T5322] FAULT_INJECTION: forcing a failure. [ 83.594246][ T5322] name failslab, interval 1, probability 0, space 0, times 0 [ 83.596836][ T5322] CPU: 1 PID: 5322 Comm: syz.0.171 Tainted: G W syzkaller #0 [ 83.598073][ T5322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.599559][ T5322] Call trace: [ 83.600102][ T5322] dump_backtrace+0x0/0x43c [ 83.600776][ T5322] show_stack+0x2c/0x3c [ 83.601389][ T5322] __dump_stack+0x30/0x40 [ 83.602055][ T5322] dump_stack_lvl+0xf8/0x160 [ 83.602739][ T5322] dump_stack+0x1c/0x5c [ 83.603364][ T5322] should_fail+0x3c0/0x51c [ 83.603984][ T5322] __should_failslab+0xbc/0x10c [ 83.604708][ T5322] should_failslab+0x10/0x28 [ 83.605368][ T5322] slab_pre_alloc_hook+0x64/0xec [ 83.606084][ T5322] kmem_cache_alloc_trace+0x98/0x3fc [ 83.606837][ T5322] blk_iolatency_init+0x64/0x430 [ 83.607562][ T5322] blkcg_init_queue+0x3f0/0x484 [ 83.608286][ T5322] blk_alloc_queue+0x3cc/0x4a0 [ 83.608995][ T5322] __blk_mq_alloc_disk+0x5c/0x154 [ 83.609722][ T5322] loop_add+0x240/0x6e0 [ 83.610329][ T5322] loop_control_ioctl+0x128/0x4d0 [ 83.611063][ T5322] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.611772][ T5322] invoke_syscall+0x98/0x2b8 [ 83.612426][ T5322] el0_svc_common+0x138/0x258 [ 83.613109][ T5322] do_el0_svc+0x58/0x14c [ 83.613750][ T5322] el0_svc+0x78/0x1e0 [ 83.614335][ T5322] el0t_64_sync_handler+0xcc/0xe4 [ 83.615109][ T5322] el0t_64_sync+0x1a0/0x1a4 [ 83.624245][ T5324] FAULT_INJECTION: forcing a failure. [ 83.624245][ T5324] name failslab, interval 1, probability 0, space 0, times 0 [ 83.626883][ T5324] CPU: 1 PID: 5324 Comm: syz.0.172 Tainted: G W syzkaller #0 [ 83.628200][ T5324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.629658][ T5324] Call trace: [ 83.630120][ T5324] dump_backtrace+0x0/0x43c [ 83.630800][ T5324] show_stack+0x2c/0x3c [ 83.631414][ T5324] __dump_stack+0x30/0x40 [ 83.632083][ T5324] dump_stack_lvl+0xf8/0x160 [ 83.632753][ T5324] dump_stack+0x1c/0x5c [ 83.633397][ T5324] should_fail+0x3c0/0x51c [ 83.634120][ T5324] __should_failslab+0xbc/0x10c [ 83.634910][ T5324] should_failslab+0x10/0x28 [ 83.635669][ T5324] slab_pre_alloc_hook+0x64/0xec [ 83.636353][ T5324] kmem_cache_alloc+0x94/0x3e4 [ 83.637014][ T5324] security_inode_alloc+0x38/0x11c [ 83.637725][ T5324] inode_init_always+0x670/0xa84 [ 83.638413][ T5324] new_inode_pseudo+0x7c/0x1fc [ 83.639136][ T5324] new_inode+0x38/0x174 [ 83.639746][ T5324] bdev_alloc+0x30/0x1f8 [ 83.640399][ T5324] __alloc_disk_node+0xbc/0x458 [ 83.641149][ T5324] __blk_mq_alloc_disk+0xe8/0x154 [ 83.641890][ T5324] loop_add+0x240/0x6e0 [ 83.642518][ T5324] loop_control_ioctl+0x128/0x4d0 [ 83.643240][ T5324] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.643964][ T5324] invoke_syscall+0x98/0x2b8 [ 83.644632][ T5324] el0_svc_common+0x138/0x258 [ 83.645351][ T5324] do_el0_svc+0x58/0x14c [ 83.645980][ T5324] el0_svc+0x78/0x1e0 [ 83.646638][ T5324] el0t_64_sync_handler+0xcc/0xe4 [ 83.647376][ T5324] el0t_64_sync+0x1a0/0x1a4 [ 83.656876][ T5326] FAULT_INJECTION: forcing a failure. [ 83.656876][ T5326] name failslab, interval 1, probability 0, space 0, times 0 [ 83.658718][ T5326] CPU: 0 PID: 5326 Comm: syz.0.173 Tainted: G W syzkaller #0 [ 83.660007][ T5326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.661466][ T5326] Call trace: [ 83.661954][ T5326] dump_backtrace+0x0/0x43c [ 83.662622][ T5326] show_stack+0x2c/0x3c [ 83.663304][ T5326] __dump_stack+0x30/0x40 [ 83.663906][ T5326] dump_stack_lvl+0xf8/0x160 [ 83.664599][ T5326] dump_stack+0x1c/0x5c [ 83.665199][ T5326] should_fail+0x3c0/0x51c [ 83.665826][ T5326] __should_failslab+0xbc/0x10c [ 83.666620][ T5326] should_failslab+0x10/0x28 [ 83.667333][ T5326] slab_pre_alloc_hook+0x64/0xec [ 83.668058][ T5326] __kmalloc_track_caller+0x74/0x370 [ 83.668850][ T5326] kstrdup+0xe4/0x15c [ 83.669426][ T5326] kstrdup_const+0x54/0x6c [ 83.670067][ T5326] kvasprintf_const+0x118/0x2d0 [ 83.670772][ T5326] kobject_set_name_vargs+0xcc/0x1b4 [ 83.671516][ T5326] dev_set_name+0xd8/0x124 [ 83.672188][ T5326] device_add_disk+0x258/0xad0 [ 83.672892][ T5326] loop_add+0x510/0x6e0 [ 83.673502][ T5326] loop_control_ioctl+0x128/0x4d0 [ 83.674165][ T5326] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.674880][ T5326] invoke_syscall+0x98/0x2b8 [ 83.675559][ T5326] el0_svc_common+0x138/0x258 [ 83.676211][ T5326] do_el0_svc+0x58/0x14c [ 83.676851][ T5326] el0_svc+0x78/0x1e0 [ 83.677404][ T5326] el0t_64_sync_handler+0xcc/0xe4 [ 83.678117][ T5326] el0t_64_sync+0x1a0/0x1a4 [ 83.687333][ T5328] FAULT_INJECTION: forcing a failure. [ 83.687333][ T5328] name failslab, interval 1, probability 0, space 0, times 0 [ 83.689369][ T5328] CPU: 1 PID: 5328 Comm: syz.0.174 Tainted: G W syzkaller #0 [ 83.690743][ T5328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.692165][ T5328] Call trace: [ 83.692623][ T5328] dump_backtrace+0x0/0x43c [ 83.693318][ T5328] show_stack+0x2c/0x3c [ 83.693991][ T5328] __dump_stack+0x30/0x40 [ 83.694629][ T5328] dump_stack_lvl+0xf8/0x160 [ 83.695302][ T5328] dump_stack+0x1c/0x5c [ 83.695924][ T5328] should_fail+0x3c0/0x51c [ 83.696634][ T5328] __should_failslab+0xbc/0x10c [ 83.697312][ T5328] should_failslab+0x10/0x28 [ 83.697965][ T5328] slab_pre_alloc_hook+0x64/0xec [ 83.698714][ T5328] kmem_cache_alloc+0x94/0x3e4 [ 83.699466][ T5328] __debug_object_init+0x670/0x98c [ 83.700203][ T5328] debug_object_init+0x20/0x2c [ 83.700926][ T5328] __init_work+0x58/0x68 [ 83.701556][ T5328] wb_init+0x310/0x6ec [ 83.702156][ T5328] bdi_init+0x1b4/0x2f4 [ 83.702778][ T5328] bdi_alloc+0x6c/0x144 [ 83.703442][ T5328] __alloc_disk_node+0x8c/0x458 [ 83.704143][ T5328] __blk_mq_alloc_disk+0xe8/0x154 [ 83.704884][ T5328] loop_add+0x240/0x6e0 [ 83.705545][ T5328] loop_control_ioctl+0x128/0x4d0 [ 83.706298][ T5328] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.707095][ T5328] invoke_syscall+0x98/0x2b8 [ 83.707805][ T5328] el0_svc_common+0x138/0x258 [ 83.708512][ T5328] do_el0_svc+0x58/0x14c [ 83.709141][ T5328] el0_svc+0x78/0x1e0 [ 83.709719][ T5328] el0t_64_sync_handler+0xcc/0xe4 [ 83.710470][ T5328] el0t_64_sync+0x1a0/0x1a4 [ 83.724571][ T5330] FAULT_INJECTION: forcing a failure. [ 83.724571][ T5330] name failslab, interval 1, probability 0, space 0, times 0 [ 83.726488][ T5330] CPU: 0 PID: 5330 Comm: syz.0.175 Tainted: G W syzkaller #0 [ 83.727733][ T5330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.729105][ T5330] Call trace: [ 83.729562][ T5330] dump_backtrace+0x0/0x43c [ 83.730291][ T5330] show_stack+0x2c/0x3c [ 83.730881][ T5330] __dump_stack+0x30/0x40 [ 83.731542][ T5330] dump_stack_lvl+0xf8/0x160 [ 83.732208][ T5330] dump_stack+0x1c/0x5c [ 83.732824][ T5330] should_fail+0x3c0/0x51c [ 83.733479][ T5330] __should_failslab+0xbc/0x10c [ 83.734240][ T5330] should_failslab+0x10/0x28 [ 83.734864][ T5330] slab_pre_alloc_hook+0x64/0xec [ 83.735553][ T5330] kmem_cache_alloc+0x94/0x3e4 [ 83.736292][ T5330] __debug_object_init+0x774/0x98c [ 83.737078][ T5330] debug_object_init+0x20/0x2c [ 83.737768][ T5330] init_timer_key+0x54/0x418 [ 83.738472][ T5330] throtl_pd_alloc+0x1d4/0x4ec [ 83.739160][ T5330] blkcg_activate_policy+0x204/0xa8c [ 83.739969][ T5330] blk_throtl_init+0x308/0x3ec [ 83.740695][ T5330] blkcg_init_queue+0x3cc/0x484 [ 83.741435][ T5330] blk_alloc_queue+0x3cc/0x4a0 [ 83.742136][ T5330] __blk_mq_alloc_disk+0x5c/0x154 [ 83.742906][ T5330] loop_add+0x240/0x6e0 [ 83.743524][ T5330] loop_control_ioctl+0x128/0x4d0 [ 83.744256][ T5330] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.744970][ T5330] invoke_syscall+0x98/0x2b8 [ 83.745643][ T5330] el0_svc_common+0x138/0x258 [ 83.746350][ T5330] do_el0_svc+0x58/0x14c [ 83.747090][ T5330] el0_svc+0x78/0x1e0 [ 83.747755][ T5330] el0t_64_sync_handler+0xcc/0xe4 [ 83.748585][ T5330] el0t_64_sync+0x1a0/0x1a4 [ 83.761925][ T5332] FAULT_INJECTION: forcing a failure. [ 83.761925][ T5332] name failslab, interval 1, probability 0, space 0, times 0 [ 83.763749][ T5332] CPU: 0 PID: 5332 Comm: syz.0.176 Tainted: G W syzkaller #0 [ 83.765047][ T5332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.766577][ T5332] Call trace: [ 83.767070][ T5332] dump_backtrace+0x0/0x43c [ 83.767732][ T5332] show_stack+0x2c/0x3c [ 83.768331][ T5332] __dump_stack+0x30/0x40 [ 83.769045][ T5332] dump_stack_lvl+0xf8/0x160 [ 83.769708][ T5332] dump_stack+0x1c/0x5c [ 83.770327][ T5332] should_fail+0x3c0/0x51c [ 83.770991][ T5332] __should_failslab+0xbc/0x10c [ 83.771728][ T5332] should_failslab+0x10/0x28 [ 83.772374][ T5332] slab_pre_alloc_hook+0x64/0xec [ 83.773105][ T5332] kmem_cache_alloc+0x94/0x3e4 [ 83.773870][ T5332] __debug_object_init+0x75c/0x98c [ 83.774628][ T5332] debug_object_init+0x20/0x2c [ 83.775293][ T5332] __percpu_counter_init+0x10c/0x26c [ 83.776118][ T5332] blkg_rwstat_init+0xa0/0x2b8 [ 83.776864][ T5332] throtl_pd_alloc+0xf0/0x4ec [ 83.777555][ T5332] blkcg_activate_policy+0x204/0xa8c [ 83.778390][ T5332] blk_throtl_init+0x308/0x3ec [ 83.779065][ T5332] blkcg_init_queue+0x3cc/0x484 [ 83.779788][ T5332] blk_alloc_queue+0x3cc/0x4a0 [ 83.780421][ T5332] __blk_mq_alloc_disk+0x5c/0x154 [ 83.781085][ T5332] loop_add+0x240/0x6e0 [ 83.781713][ T5332] loop_control_ioctl+0x128/0x4d0 [ 83.782451][ T5332] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.783166][ T5332] invoke_syscall+0x98/0x2b8 [ 83.783780][ T5332] el0_svc_common+0x138/0x258 [ 83.784435][ T5332] do_el0_svc+0x58/0x14c [ 83.785053][ T5332] el0_svc+0x78/0x1e0 [ 83.785633][ T5332] el0t_64_sync_handler+0xcc/0xe4 [ 83.786395][ T5332] el0t_64_sync+0x1a0/0x1a4 [ 83.799889][ T5334] FAULT_INJECTION: forcing a failure. [ 83.799889][ T5334] name failslab, interval 1, probability 0, space 0, times 0 [ 83.801851][ T5334] CPU: 0 PID: 5334 Comm: syz.0.177 Tainted: G W syzkaller #0 [ 83.803137][ T5334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.804558][ T5334] Call trace: [ 83.805035][ T5334] dump_backtrace+0x0/0x43c [ 83.805683][ T5334] show_stack+0x2c/0x3c [ 83.806309][ T5334] __dump_stack+0x30/0x40 [ 83.806999][ T5334] dump_stack_lvl+0xf8/0x160 [ 83.807640][ T5334] dump_stack+0x1c/0x5c [ 83.808255][ T5334] should_fail+0x3c0/0x51c [ 83.808985][ T5334] __should_failslab+0xbc/0x10c [ 83.809686][ T5334] should_failslab+0x10/0x28 [ 83.810379][ T5334] slab_pre_alloc_hook+0x64/0xec [ 83.811075][ T5334] __kmalloc_track_caller+0x74/0x370 [ 83.811811][ T5334] kstrdup+0xe4/0x15c [ 83.812391][ T5334] kstrdup_const+0x54/0x6c [ 83.813036][ T5334] kvasprintf_const+0x118/0x2d0 [ 83.813724][ T5334] kobject_set_name_vargs+0xcc/0x1b4 [ 83.814518][ T5334] dev_set_name+0xd8/0x124 [ 83.815114][ T5334] device_add_disk+0x258/0xad0 [ 83.815805][ T5334] loop_add+0x510/0x6e0 [ 83.816373][ T5334] loop_control_ioctl+0x128/0x4d0 [ 83.817106][ T5334] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.817851][ T5334] invoke_syscall+0x98/0x2b8 [ 83.818498][ T5334] el0_svc_common+0x138/0x258 [ 83.819195][ T5334] do_el0_svc+0x58/0x14c [ 83.819787][ T5334] el0_svc+0x78/0x1e0 [ 83.820383][ T5334] el0t_64_sync_handler+0xcc/0xe4 [ 83.821243][ T5334] el0t_64_sync+0x1a0/0x1a4 [ 83.830626][ T5336] FAULT_INJECTION: forcing a failure. [ 83.830626][ T5336] name failslab, interval 1, probability 0, space 0, times 0 [ 83.832499][ T5336] CPU: 0 PID: 5336 Comm: syz.0.178 Tainted: G W syzkaller #0 [ 83.833749][ T5336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.835152][ T5336] Call trace: [ 83.835642][ T5336] dump_backtrace+0x0/0x43c [ 83.836315][ T5336] show_stack+0x2c/0x3c [ 83.836921][ T5336] __dump_stack+0x30/0x40 [ 83.837570][ T5336] dump_stack_lvl+0xf8/0x160 [ 83.838249][ T5336] dump_stack+0x1c/0x5c [ 83.838873][ T5336] should_fail+0x3c0/0x51c [ 83.839492][ T5336] __should_failslab+0xbc/0x10c [ 83.840150][ T5336] should_failslab+0x10/0x28 [ 83.840822][ T5336] slab_pre_alloc_hook+0x64/0xec [ 83.841495][ T5336] kmem_cache_alloc+0x94/0x3e4 [ 83.842210][ T5336] security_inode_alloc+0x38/0x11c [ 83.842978][ T5336] inode_init_always+0x670/0xa84 [ 83.843684][ T5336] new_inode_pseudo+0x7c/0x1fc [ 83.844362][ T5336] new_inode+0x38/0x174 [ 83.844989][ T5336] bdev_alloc+0x30/0x1f8 [ 83.845676][ T5336] __alloc_disk_node+0xbc/0x458 [ 83.846485][ T5336] __blk_mq_alloc_disk+0xe8/0x154 [ 83.847324][ T5336] loop_add+0x240/0x6e0 [ 83.848034][ T5336] loop_control_ioctl+0x128/0x4d0 [ 83.848856][ T5336] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.849663][ T5336] invoke_syscall+0x98/0x2b8 [ 83.850331][ T5336] el0_svc_common+0x138/0x258 [ 83.851009][ T5336] do_el0_svc+0x58/0x14c [ 83.851645][ T5336] el0_svc+0x78/0x1e0 [ 83.852266][ T5336] el0t_64_sync_handler+0xcc/0xe4 [ 83.852978][ T5336] el0t_64_sync+0x1a0/0x1a4 [ 83.862420][ T5338] FAULT_INJECTION: forcing a failure. [ 83.862420][ T5338] name failslab, interval 1, probability 0, space 0, times 0 [ 83.864271][ T5338] CPU: 0 PID: 5338 Comm: syz.0.179 Tainted: G W syzkaller #0 [ 83.865590][ T5338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.867049][ T5338] Call trace: [ 83.867542][ T5338] dump_backtrace+0x0/0x43c [ 83.868261][ T5338] show_stack+0x2c/0x3c [ 83.868874][ T5338] __dump_stack+0x30/0x40 [ 83.869516][ T5338] dump_stack_lvl+0xf8/0x160 [ 83.870171][ T5338] dump_stack+0x1c/0x5c [ 83.870792][ T5338] should_fail+0x3c0/0x51c [ 83.871409][ T5338] __should_failslab+0xbc/0x10c [ 83.872084][ T5338] should_failslab+0x10/0x28 [ 83.872745][ T5338] slab_pre_alloc_hook+0x64/0xec [ 83.873428][ T5338] __kmalloc_track_caller+0x74/0x370 [ 83.874154][ T5338] kstrdup+0xe4/0x15c [ 83.874693][ T5338] kstrdup_const+0x54/0x6c [ 83.875333][ T5338] kvasprintf_const+0x118/0x2d0 [ 83.876067][ T5338] kobject_set_name_vargs+0xcc/0x1b4 [ 83.876878][ T5338] dev_set_name+0xd8/0x124 [ 83.877501][ T5338] device_add_disk+0x258/0xad0 [ 83.878181][ T5338] loop_add+0x510/0x6e0 [ 83.878781][ T5338] loop_control_ioctl+0x128/0x4d0 [ 83.879516][ T5338] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.880238][ T5338] invoke_syscall+0x98/0x2b8 [ 83.880931][ T5338] el0_svc_common+0x138/0x258 [ 83.881641][ T5338] do_el0_svc+0x58/0x14c [ 83.882273][ T5338] el0_svc+0x78/0x1e0 [ 83.882849][ T5338] el0t_64_sync_handler+0xcc/0xe4 [ 83.883579][ T5338] el0t_64_sync+0x1a0/0x1a4 [ 83.892514][ T5340] FAULT_INJECTION: forcing a failure. [ 83.892514][ T5340] name failslab, interval 1, probability 0, space 0, times 0 [ 83.894533][ T5340] CPU: 0 PID: 5340 Comm: syz.0.180 Tainted: G W syzkaller #0 [ 83.895847][ T5340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.897368][ T5340] Call trace: [ 83.897875][ T5340] dump_backtrace+0x0/0x43c [ 83.898631][ T5340] show_stack+0x2c/0x3c [ 83.899215][ T5340] __dump_stack+0x30/0x40 [ 83.899866][ T5340] dump_stack_lvl+0xf8/0x160 [ 83.900547][ T5340] dump_stack+0x1c/0x5c [ 83.901211][ T5340] should_fail+0x3c0/0x51c [ 83.901863][ T5340] __should_failslab+0xbc/0x10c [ 83.902631][ T5340] should_failslab+0x10/0x28 [ 83.903267][ T5340] slab_pre_alloc_hook+0x64/0xec [ 83.903998][ T5340] __kmalloc_track_caller+0x74/0x370 [ 83.904806][ T5340] kstrdup+0xe4/0x15c [ 83.905341][ T5340] kstrdup_const+0x54/0x6c [ 83.905966][ T5340] kvasprintf_const+0x118/0x2d0 [ 83.906645][ T5340] kobject_set_name_vargs+0xcc/0x1b4 [ 83.907394][ T5340] dev_set_name+0xd8/0x124 [ 83.908064][ T5340] device_add_disk+0x258/0xad0 [ 83.908669][ T5340] loop_add+0x510/0x6e0 [ 83.909263][ T5340] loop_control_ioctl+0x128/0x4d0 [ 83.909986][ T5340] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.910670][ T5340] invoke_syscall+0x98/0x2b8 [ 83.911330][ T5340] el0_svc_common+0x138/0x258 [ 83.912000][ T5340] do_el0_svc+0x58/0x14c [ 83.912576][ T5340] el0_svc+0x78/0x1e0 [ 83.913144][ T5340] el0t_64_sync_handler+0xcc/0xe4 [ 83.913854][ T5340] el0t_64_sync+0x1a0/0x1a4 [ 83.924185][ T5342] FAULT_INJECTION: forcing a failure. [ 83.924185][ T5342] name failslab, interval 1, probability 0, space 0, times 0 [ 83.926218][ T5342] CPU: 1 PID: 5342 Comm: syz.0.181 Tainted: G W syzkaller #0 [ 83.927478][ T5342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.929023][ T5342] Call trace: [ 83.929517][ T5342] dump_backtrace+0x0/0x43c [ 83.930185][ T5342] show_stack+0x2c/0x3c [ 83.930851][ T5342] __dump_stack+0x30/0x40 [ 83.931471][ T5342] dump_stack_lvl+0xf8/0x160 [ 83.932126][ T5342] dump_stack+0x1c/0x5c [ 83.932771][ T5342] should_fail+0x3c0/0x51c [ 83.933410][ T5342] __should_failslab+0xbc/0x10c [ 83.934240][ T5342] should_failslab+0x10/0x28 [ 83.934894][ T5342] slab_pre_alloc_hook+0x64/0xec [ 83.935700][ T5342] kmem_cache_alloc_trace+0x98/0x3fc [ 83.936540][ T5342] rand_initialize_disk+0x58/0xb8 [ 83.937266][ T5342] __alloc_disk_node+0x2a8/0x458 [ 83.937992][ T5342] __blk_mq_alloc_disk+0xe8/0x154 [ 83.938741][ T5342] loop_add+0x240/0x6e0 [ 83.939369][ T5342] loop_control_ioctl+0x128/0x4d0 [ 83.940154][ T5342] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.940862][ T5342] invoke_syscall+0x98/0x2b8 [ 83.941545][ T5342] el0_svc_common+0x138/0x258 [ 83.942240][ T5342] do_el0_svc+0x58/0x14c [ 83.942850][ T5342] el0_svc+0x78/0x1e0 [ 83.943372][ T5342] el0t_64_sync_handler+0xcc/0xe4 [ 83.944145][ T5342] el0t_64_sync+0x1a0/0x1a4 [ 83.955990][ T5344] FAULT_INJECTION: forcing a failure. [ 83.955990][ T5344] name failslab, interval 1, probability 0, space 0, times 0 [ 83.958007][ T5344] CPU: 1 PID: 5344 Comm: syz.0.182 Tainted: G W syzkaller #0 [ 83.959310][ T5344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.960882][ T5344] Call trace: [ 83.961352][ T5344] dump_backtrace+0x0/0x43c [ 83.962011][ T5344] show_stack+0x2c/0x3c [ 83.962601][ T5344] __dump_stack+0x30/0x40 [ 83.963258][ T5344] dump_stack_lvl+0xf8/0x160 [ 83.963925][ T5344] dump_stack+0x1c/0x5c [ 83.964564][ T5344] should_fail+0x3c0/0x51c [ 83.965211][ T5344] __should_failslab+0xbc/0x10c [ 83.965938][ T5344] should_failslab+0x10/0x28 [ 83.966557][ T5344] slab_pre_alloc_hook+0x64/0xec [ 83.967335][ T5344] __kmalloc_track_caller+0x74/0x370 [ 83.968121][ T5344] kstrdup+0xe4/0x15c [ 83.968749][ T5344] kstrdup_const+0x54/0x6c [ 83.969344][ T5344] kvasprintf_const+0x118/0x2d0 [ 83.970079][ T5344] kobject_set_name_vargs+0xcc/0x1b4 [ 83.970872][ T5344] dev_set_name+0xd8/0x124 [ 83.971559][ T5344] device_add_disk+0x258/0xad0 [ 83.972264][ T5344] loop_add+0x510/0x6e0 [ 83.972924][ T5344] loop_control_ioctl+0x128/0x4d0 [ 83.973666][ T5344] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.974434][ T5344] invoke_syscall+0x98/0x2b8 [ 83.975113][ T5344] el0_svc_common+0x138/0x258 [ 83.975823][ T5344] do_el0_svc+0x58/0x14c [ 83.976440][ T5344] el0_svc+0x78/0x1e0 [ 83.977151][ T5344] el0t_64_sync_handler+0xcc/0xe4 [ 83.977910][ T5344] el0t_64_sync+0x1a0/0x1a4 [ 83.988099][ T5346] FAULT_INJECTION: forcing a failure. [ 83.988099][ T5346] name failslab, interval 1, probability 0, space 0, times 0 [ 83.989981][ T5346] CPU: 1 PID: 5346 Comm: syz.0.183 Tainted: G W syzkaller #0 [ 83.991208][ T5346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.992662][ T5346] Call trace: [ 83.993214][ T5346] dump_backtrace+0x0/0x43c [ 83.993957][ T5346] show_stack+0x2c/0x3c [ 83.994611][ T5346] __dump_stack+0x30/0x40 [ 83.995327][ T5346] dump_stack_lvl+0xf8/0x160 [ 83.996039][ T5346] dump_stack+0x1c/0x5c [ 83.996677][ T5346] should_fail+0x3c0/0x51c [ 83.997311][ T5346] __should_failslab+0xbc/0x10c [ 83.998045][ T5346] should_failslab+0x10/0x28 [ 83.998741][ T5346] slab_pre_alloc_hook+0x64/0xec [ 83.999419][ T5346] kmem_cache_alloc+0x94/0x3e4 [ 84.000180][ T5346] __debug_object_init+0x744/0x98c [ 84.000946][ T5346] debug_object_init+0x20/0x2c [ 84.001681][ T5346] __percpu_counter_init+0x10c/0x26c [ 84.002430][ T5346] blkg_rwstat_init+0x3c/0x2b8 [ 84.003122][ T5346] throtl_pd_alloc+0xf0/0x4ec [ 84.003818][ T5346] blkcg_activate_policy+0x204/0xa8c [ 84.004560][ T5346] blk_throtl_init+0x308/0x3ec [ 84.005255][ T5346] blkcg_init_queue+0x3cc/0x484 [ 84.005971][ T5346] blk_alloc_queue+0x3cc/0x4a0 [ 84.006633][ T5346] __blk_mq_alloc_disk+0x5c/0x154 [ 84.007380][ T5346] loop_add+0x240/0x6e0 [ 84.007975][ T5346] loop_control_ioctl+0x128/0x4d0 [ 84.008694][ T5346] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.009415][ T5346] invoke_syscall+0x98/0x2b8 [ 84.010057][ T5346] el0_svc_common+0x138/0x258 [ 84.010745][ T5346] do_el0_svc+0x58/0x14c [ 84.011379][ T5346] el0_svc+0x78/0x1e0 [ 84.011966][ T5346] el0t_64_sync_handler+0xcc/0xe4 [ 84.012663][ T5346] el0t_64_sync+0x1a0/0x1a4 [ 84.026112][ T5348] FAULT_INJECTION: forcing a failure. [ 84.026112][ T5348] name failslab, interval 1, probability 0, space 0, times 0 [ 84.028083][ T5348] CPU: 1 PID: 5348 Comm: syz.0.184 Tainted: G W syzkaller #0 [ 84.029353][ T5348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.030838][ T5348] Call trace: [ 84.031346][ T5348] dump_backtrace+0x0/0x43c [ 84.031962][ T5348] show_stack+0x2c/0x3c [ 84.032528][ T5348] __dump_stack+0x30/0x40 [ 84.033112][ T5348] dump_stack_lvl+0xf8/0x160 [ 84.033753][ T5348] dump_stack+0x1c/0x5c [ 84.034407][ T5348] should_fail+0x3c0/0x51c [ 84.035096][ T5348] __should_failslab+0xbc/0x10c [ 84.035822][ T5348] should_failslab+0x10/0x28 [ 84.036502][ T5348] slab_pre_alloc_hook+0x64/0xec [ 84.037202][ T5348] __kmalloc_track_caller+0x74/0x370 [ 84.038049][ T5348] kstrdup+0xe4/0x15c [ 84.038665][ T5348] kstrdup_const+0x54/0x6c [ 84.039319][ T5348] kvasprintf_const+0x118/0x2d0 [ 84.040019][ T5348] kobject_set_name_vargs+0xcc/0x1b4 [ 84.040775][ T5348] dev_set_name+0xd8/0x124 [ 84.041408][ T5348] device_add_disk+0x258/0xad0 [ 84.042091][ T5348] loop_add+0x510/0x6e0 [ 84.042671][ T5348] loop_control_ioctl+0x128/0x4d0 [ 84.043469][ T5348] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.044210][ T5348] invoke_syscall+0x98/0x2b8 [ 84.044861][ T5348] el0_svc_common+0x138/0x258 [ 84.045543][ T5348] do_el0_svc+0x58/0x14c [ 84.046165][ T5348] el0_svc+0x78/0x1e0 [ 84.046730][ T5348] el0t_64_sync_handler+0xcc/0xe4 [ 84.047394][ T5348] el0t_64_sync+0x1a0/0x1a4 [ 84.057367][ T5350] FAULT_INJECTION: forcing a failure. [ 84.057367][ T5350] name failslab, interval 1, probability 0, space 0, times 0 [ 84.059367][ T5350] CPU: 1 PID: 5350 Comm: syz.0.185 Tainted: G W syzkaller #0 [ 84.060680][ T5350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.062067][ T5350] Call trace: [ 84.062562][ T5350] dump_backtrace+0x0/0x43c [ 84.063245][ T5350] show_stack+0x2c/0x3c [ 84.063859][ T5350] __dump_stack+0x30/0x40 [ 84.064551][ T5350] dump_stack_lvl+0xf8/0x160 [ 84.065281][ T5350] dump_stack+0x1c/0x5c [ 84.065876][ T5350] should_fail+0x3c0/0x51c [ 84.066559][ T5350] __should_failslab+0xbc/0x10c [ 84.067272][ T5350] should_failslab+0x10/0x28 [ 84.067992][ T5350] slab_pre_alloc_hook+0x64/0xec [ 84.068691][ T5350] kmem_cache_alloc_trace+0x98/0x3fc [ 84.069506][ T5350] blk_iolatency_init+0x64/0x430 [ 84.070248][ T5350] blkcg_init_queue+0x3f0/0x484 [ 84.071015][ T5350] blk_alloc_queue+0x3cc/0x4a0 [ 84.071686][ T5350] __blk_mq_alloc_disk+0x5c/0x154 [ 84.072471][ T5350] loop_add+0x240/0x6e0 [ 84.073057][ T5350] loop_control_ioctl+0x128/0x4d0 [ 84.073829][ T5350] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.074602][ T5350] invoke_syscall+0x98/0x2b8 [ 84.075317][ T5350] el0_svc_common+0x138/0x258 [ 84.076097][ T5350] do_el0_svc+0x58/0x14c [ 84.076716][ T5350] el0_svc+0x78/0x1e0 [ 84.077309][ T5350] el0t_64_sync_handler+0xcc/0xe4 [ 84.078032][ T5350] el0t_64_sync+0x1a0/0x1a4 [ 84.087579][ T5352] FAULT_INJECTION: forcing a failure. [ 84.087579][ T5352] name failslab, interval 1, probability 0, space 0, times 0 [ 84.089384][ T5352] CPU: 1 PID: 5352 Comm: syz.0.186 Tainted: G W syzkaller #0 [ 84.090576][ T5352] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.092018][ T5352] Call trace: [ 84.092497][ T5352] dump_backtrace+0x0/0x43c [ 84.093183][ T5352] show_stack+0x2c/0x3c [ 84.093788][ T5352] __dump_stack+0x30/0x40 [ 84.094395][ T5352] dump_stack_lvl+0xf8/0x160 [ 84.095088][ T5352] dump_stack+0x1c/0x5c [ 84.095744][ T5352] should_fail+0x3c0/0x51c [ 84.096379][ T5352] __should_failslab+0xbc/0x10c [ 84.097143][ T5352] should_failslab+0x10/0x28 [ 84.097822][ T5352] slab_pre_alloc_hook+0x64/0xec [ 84.098515][ T5352] kmem_cache_alloc_trace+0x98/0x3fc [ 84.099306][ T5352] blk_iolatency_init+0x64/0x430 [ 84.100047][ T5352] blkcg_init_queue+0x3f0/0x484 [ 84.100775][ T5352] blk_alloc_queue+0x3cc/0x4a0 [ 84.101403][ T5352] __blk_mq_alloc_disk+0x5c/0x154 [ 84.102142][ T5352] loop_add+0x240/0x6e0 [ 84.102824][ T5352] loop_control_ioctl+0x128/0x4d0 [ 84.103888][ T5352] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.104649][ T5352] invoke_syscall+0x98/0x2b8 [ 84.105356][ T5352] el0_svc_common+0x138/0x258 [ 84.106063][ T5352] do_el0_svc+0x58/0x14c [ 84.106755][ T5352] el0_svc+0x78/0x1e0 [ 84.107362][ T5352] el0t_64_sync_handler+0xcc/0xe4 [ 84.108160][ T5352] el0t_64_sync+0x1a0/0x1a4 [ 84.118592][ T5354] FAULT_INJECTION: forcing a failure. [ 84.118592][ T5354] name failslab, interval 1, probability 0, space 0, times 0 [ 84.120498][ T5354] CPU: 1 PID: 5354 Comm: syz.0.187 Tainted: G W syzkaller #0 [ 84.121767][ T5354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.123234][ T5354] Call trace: [ 84.123729][ T5354] dump_backtrace+0x0/0x43c [ 84.124349][ T5354] show_stack+0x2c/0x3c [ 84.124962][ T5354] __dump_stack+0x30/0x40 [ 84.125588][ T5354] dump_stack_lvl+0xf8/0x160 [ 84.126277][ T5354] dump_stack+0x1c/0x5c [ 84.127013][ T5354] should_fail+0x3c0/0x51c [ 84.127683][ T5354] __should_failslab+0xbc/0x10c [ 84.128419][ T5354] should_failslab+0x10/0x28 [ 84.129121][ T5354] slab_pre_alloc_hook+0x64/0xec [ 84.129892][ T5354] __kmalloc_track_caller+0x74/0x370 [ 84.130700][ T5354] kstrdup+0xe4/0x15c [ 84.131300][ T5354] kstrdup_const+0x54/0x6c [ 84.131936][ T5354] kvasprintf_const+0x118/0x2d0 [ 84.132605][ T5354] kobject_set_name_vargs+0xcc/0x1b4 [ 84.133441][ T5354] dev_set_name+0xd8/0x124 [ 84.134085][ T5354] device_add_disk+0x258/0xad0 [ 84.134826][ T5354] loop_add+0x510/0x6e0 [ 84.135507][ T5354] loop_control_ioctl+0x128/0x4d0 [ 84.136234][ T5354] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.136940][ T5354] invoke_syscall+0x98/0x2b8 [ 84.137585][ T5354] el0_svc_common+0x138/0x258 [ 84.138332][ T5354] do_el0_svc+0x58/0x14c [ 84.138952][ T5354] el0_svc+0x78/0x1e0 [ 84.139535][ T5354] el0t_64_sync_handler+0xcc/0xe4 [ 84.140315][ T5354] el0t_64_sync+0x1a0/0x1a4 [ 84.149514][ T5356] FAULT_INJECTION: forcing a failure. [ 84.149514][ T5356] name failslab, interval 1, probability 0, space 0, times 0 [ 84.151522][ T5356] CPU: 0 PID: 5356 Comm: syz.0.188 Tainted: G W syzkaller #0 [ 84.152882][ T5356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.154204][ T5356] Call trace: [ 84.154688][ T5356] dump_backtrace+0x0/0x43c [ 84.155360][ T5356] show_stack+0x2c/0x3c [ 84.155973][ T5356] __dump_stack+0x30/0x40 [ 84.156658][ T5356] dump_stack_lvl+0xf8/0x160 [ 84.157353][ T5356] dump_stack+0x1c/0x5c [ 84.157902][ T5356] should_fail+0x3c0/0x51c [ 84.158532][ T5356] __should_failslab+0xbc/0x10c [ 84.159236][ T5356] should_failslab+0x10/0x28 [ 84.159925][ T5356] slab_pre_alloc_hook+0x64/0xec [ 84.160651][ T5356] __kmalloc_track_caller+0x74/0x370 [ 84.161372][ T5356] kstrdup+0xe4/0x15c [ 84.161990][ T5356] kstrdup_const+0x54/0x6c [ 84.162644][ T5356] kvasprintf_const+0x118/0x2d0 [ 84.163366][ T5356] kobject_set_name_vargs+0xcc/0x1b4 [ 84.164095][ T5356] dev_set_name+0xd8/0x124 [ 84.164769][ T5356] device_add_disk+0x258/0xad0 [ 84.165499][ T5356] loop_add+0x510/0x6e0 [ 84.166153][ T5356] loop_control_ioctl+0x128/0x4d0 [ 84.166857][ T5356] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.167559][ T5356] invoke_syscall+0x98/0x2b8 [ 84.168191][ T5356] el0_svc_common+0x138/0x258 [ 84.168885][ T5356] do_el0_svc+0x58/0x14c [ 84.169554][ T5356] el0_svc+0x78/0x1e0 [ 84.170099][ T5356] el0t_64_sync_handler+0xcc/0xe4 [ 84.170821][ T5356] el0t_64_sync+0x1a0/0x1a4 [ 84.181747][ T5358] FAULT_INJECTION: forcing a failure. [ 84.181747][ T5358] name failslab, interval 1, probability 0, space 0, times 0 [ 84.183569][ T5358] CPU: 1 PID: 5358 Comm: syz.0.189 Tainted: G W syzkaller #0 [ 84.184750][ T5358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.186290][ T5358] Call trace: [ 84.186766][ T5358] dump_backtrace+0x0/0x43c [ 84.187431][ T5358] show_stack+0x2c/0x3c [ 84.188040][ T5358] __dump_stack+0x30/0x40 [ 84.188683][ T5358] dump_stack_lvl+0xf8/0x160 [ 84.189319][ T5358] dump_stack+0x1c/0x5c [ 84.189902][ T5358] should_fail+0x3c0/0x51c [ 84.190589][ T5358] __should_failslab+0xbc/0x10c [ 84.191309][ T5358] should_failslab+0x10/0x28 [ 84.191974][ T5358] slab_pre_alloc_hook+0x64/0xec [ 84.192691][ T5358] __kmalloc_track_caller+0x74/0x370 [ 84.193473][ T5358] kstrdup+0xe4/0x15c [ 84.194059][ T5358] kstrdup_const+0x54/0x6c [ 84.194714][ T5358] kvasprintf_const+0x118/0x2d0 [ 84.195415][ T5358] kobject_set_name_vargs+0xcc/0x1b4 [ 84.196134][ T5358] dev_set_name+0xd8/0x124 [ 84.196812][ T5358] device_add_disk+0x258/0xad0 [ 84.197472][ T5358] loop_add+0x510/0x6e0 [ 84.198062][ T5358] loop_control_ioctl+0x128/0x4d0 [ 84.198797][ T5358] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.199472][ T5358] invoke_syscall+0x98/0x2b8 [ 84.200164][ T5358] el0_svc_common+0x138/0x258 [ 84.200792][ T5358] do_el0_svc+0x58/0x14c [ 84.201437][ T5358] el0_svc+0x78/0x1e0 [ 84.202031][ T5358] el0t_64_sync_handler+0xcc/0xe4 [ 84.202774][ T5358] el0t_64_sync+0x1a0/0x1a4 [ 84.211928][ T5360] FAULT_INJECTION: forcing a failure. [ 84.211928][ T5360] name failslab, interval 1, probability 0, space 0, times 0 [ 84.214027][ T5360] CPU: 0 PID: 5360 Comm: syz.0.190 Tainted: G W syzkaller #0 [ 84.215386][ T5360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.216835][ T5360] Call trace: [ 84.217329][ T5360] dump_backtrace+0x0/0x43c [ 84.218020][ T5360] show_stack+0x2c/0x3c [ 84.218669][ T5360] __dump_stack+0x30/0x40 [ 84.219292][ T5360] dump_stack_lvl+0xf8/0x160 [ 84.219950][ T5360] dump_stack+0x1c/0x5c [ 84.220551][ T5360] should_fail+0x3c0/0x51c [ 84.221176][ T5360] __should_failslab+0xbc/0x10c [ 84.221848][ T5360] should_failslab+0x10/0x28 [ 84.222527][ T5360] slab_pre_alloc_hook+0x64/0xec [ 84.223271][ T5360] kmem_cache_alloc+0x94/0x3e4 [ 84.223994][ T5360] __debug_object_init+0x670/0x98c [ 84.224746][ T5360] debug_object_init+0x20/0x2c [ 84.225509][ T5360] __init_work+0x58/0x68 [ 84.226163][ T5360] wb_init+0x3dc/0x6ec [ 84.226752][ T5360] bdi_init+0x1b4/0x2f4 [ 84.227357][ T5360] bdi_alloc+0x6c/0x144 [ 84.227997][ T5360] __alloc_disk_node+0x8c/0x458 [ 84.228660][ T5360] __blk_mq_alloc_disk+0xe8/0x154 [ 84.229398][ T5360] loop_add+0x240/0x6e0 [ 84.230009][ T5360] loop_control_ioctl+0x128/0x4d0 [ 84.230734][ T5360] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.231458][ T5360] invoke_syscall+0x98/0x2b8 [ 84.232133][ T5360] el0_svc_common+0x138/0x258 [ 84.232697][ T5360] do_el0_svc+0x58/0x14c [ 84.233298][ T5360] el0_svc+0x78/0x1e0 [ 84.233927][ T5360] el0t_64_sync_handler+0xcc/0xe4 [ 84.234684][ T5360] el0t_64_sync+0x1a0/0x1a4 [ 84.247749][ T5362] FAULT_INJECTION: forcing a failure. [ 84.247749][ T5362] name failslab, interval 1, probability 0, space 0, times 0 [ 84.249858][ T5362] CPU: 1 PID: 5362 Comm: syz.0.191 Tainted: G W syzkaller #0 [ 84.251164][ T5362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.252703][ T5362] Call trace: [ 84.253202][ T5362] dump_backtrace+0x0/0x43c [ 84.253940][ T5362] show_stack+0x2c/0x3c [ 84.254615][ T5362] __dump_stack+0x30/0x40 [ 84.255294][ T5362] dump_stack_lvl+0xf8/0x160 [ 84.255986][ T5362] dump_stack+0x1c/0x5c [ 84.256655][ T5362] should_fail+0x3c0/0x51c [ 84.257314][ T5362] __should_failslab+0xbc/0x10c [ 84.258078][ T5362] should_failslab+0x10/0x28 [ 84.258824][ T5362] slab_pre_alloc_hook+0x64/0xec [ 84.259547][ T5362] kmem_cache_alloc+0x94/0x3e4 [ 84.260294][ T5362] __debug_object_init+0x65c/0x98c [ 84.261083][ T5362] debug_object_init+0x20/0x2c [ 84.261820][ T5362] __percpu_counter_init+0x10c/0x26c [ 84.262642][ T5362] fprop_local_init_percpu+0x34/0xb8 [ 84.263451][ T5362] wb_init+0x4d4/0x6ec [ 84.264070][ T5362] bdi_init+0x1b4/0x2f4 [ 84.264679][ T5362] bdi_alloc+0x6c/0x144 [ 84.265315][ T5362] __alloc_disk_node+0x8c/0x458 [ 84.265993][ T5362] __blk_mq_alloc_disk+0xe8/0x154 [ 84.266691][ T5362] loop_add+0x240/0x6e0 [ 84.267286][ T5362] loop_control_ioctl+0x128/0x4d0 [ 84.268064][ T5362] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.268868][ T5362] invoke_syscall+0x98/0x2b8 [ 84.269582][ T5362] el0_svc_common+0x138/0x258 [ 84.270306][ T5362] do_el0_svc+0x58/0x14c [ 84.270943][ T5362] el0_svc+0x78/0x1e0 [ 84.271564][ T5362] el0t_64_sync_handler+0xcc/0xe4 [ 84.272298][ T5362] el0t_64_sync+0x1a0/0x1a4 [ 84.287249][ T5364] FAULT_INJECTION: forcing a failure. [ 84.287249][ T5364] name failslab, interval 1, probability 0, space 0, times 0 [ 84.289073][ T5364] CPU: 0 PID: 5364 Comm: syz.0.192 Tainted: G W syzkaller #0 [ 84.290268][ T5364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.291699][ T5364] Call trace: [ 84.292171][ T5364] dump_backtrace+0x0/0x43c [ 84.292861][ T5364] show_stack+0x2c/0x3c [ 84.293474][ T5364] __dump_stack+0x30/0x40 [ 84.294107][ T5364] dump_stack_lvl+0xf8/0x160 [ 84.294825][ T5364] dump_stack+0x1c/0x5c [ 84.295498][ T5364] should_fail+0x3c0/0x51c [ 84.296162][ T5364] __should_failslab+0xbc/0x10c [ 84.296940][ T5364] should_failslab+0x10/0x28 [ 84.297613][ T5364] slab_pre_alloc_hook+0x64/0xec [ 84.298419][ T5364] __kmalloc_track_caller+0x74/0x370 [ 84.299218][ T5364] kstrdup+0xe4/0x15c [ 84.299783][ T5364] kstrdup_const+0x54/0x6c [ 84.300409][ T5364] kvasprintf_const+0x118/0x2d0 [ 84.301053][ T5364] kobject_set_name_vargs+0xcc/0x1b4 [ 84.301819][ T5364] dev_set_name+0xd8/0x124 [ 84.302462][ T5364] device_add_disk+0x258/0xad0 [ 84.303195][ T5364] loop_add+0x510/0x6e0 [ 84.303803][ T5364] loop_control_ioctl+0x128/0x4d0 [ 84.304565][ T5364] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.305292][ T5364] invoke_syscall+0x98/0x2b8 [ 84.305956][ T5364] el0_svc_common+0x138/0x258 [ 84.306617][ T5364] do_el0_svc+0x58/0x14c [ 84.307218][ T5364] el0_svc+0x78/0x1e0 [ 84.307829][ T5364] el0t_64_sync_handler+0xcc/0xe4 [ 84.308538][ T5364] el0t_64_sync+0x1a0/0x1a4 [ 84.318113][ T5366] FAULT_INJECTION: forcing a failure. [ 84.318113][ T5366] name failslab, interval 1, probability 0, space 0, times 0 [ 84.320035][ T5366] CPU: 1 PID: 5366 Comm: syz.0.193 Tainted: G W syzkaller #0 [ 84.321373][ T5366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.322908][ T5366] Call trace: [ 84.323429][ T5366] dump_backtrace+0x0/0x43c [ 84.324050][ T5366] show_stack+0x2c/0x3c [ 84.324639][ T5366] __dump_stack+0x30/0x40 [ 84.325216][ T5366] dump_stack_lvl+0xf8/0x160 [ 84.325896][ T5366] dump_stack+0x1c/0x5c [ 84.326474][ T5366] should_fail+0x3c0/0x51c [ 84.327118][ T5366] __should_failslab+0xbc/0x10c [ 84.327776][ T5366] should_failslab+0x10/0x28 [ 84.328479][ T5366] slab_pre_alloc_hook+0x64/0xec [ 84.329197][ T5366] kmem_cache_alloc+0x94/0x3e4 [ 84.329907][ T5366] __debug_object_init+0x72c/0x98c [ 84.330655][ T5366] debug_object_init+0x20/0x2c [ 84.331343][ T5366] init_timer_key+0x54/0x418 [ 84.331982][ T5366] blk_stat_alloc_callback+0x164/0x1dc [ 84.332736][ T5366] blk_mq_init_allocated_queue+0x8c/0x158c [ 84.333576][ T5366] __blk_mq_alloc_disk+0x88/0x154 [ 84.334343][ T5366] loop_add+0x240/0x6e0 [ 84.334960][ T5366] loop_control_ioctl+0x128/0x4d0 [ 84.335660][ T5366] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.336348][ T5366] invoke_syscall+0x98/0x2b8 [ 84.337020][ T5366] el0_svc_common+0x138/0x258 [ 84.337664][ T5366] do_el0_svc+0x58/0x14c [ 84.338379][ T5366] el0_svc+0x78/0x1e0 [ 84.338974][ T5366] el0t_64_sync_handler+0xcc/0xe4 [ 84.339698][ T5366] el0t_64_sync+0x1a0/0x1a4 [ 84.351691][ T5368] FAULT_INJECTION: forcing a failure. [ 84.351691][ T5368] name failslab, interval 1, probability 0, space 0, times 0 [ 84.353596][ T5368] CPU: 1 PID: 5368 Comm: syz.0.194 Tainted: G W syzkaller #0 [ 84.354871][ T5368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.356391][ T5368] Call trace: [ 84.356871][ T5368] dump_backtrace+0x0/0x43c [ 84.357547][ T5368] show_stack+0x2c/0x3c [ 84.358213][ T5368] __dump_stack+0x30/0x40 [ 84.358831][ T5368] dump_stack_lvl+0xf8/0x160 [ 84.359497][ T5368] dump_stack+0x1c/0x5c [ 84.360121][ T5368] should_fail+0x3c0/0x51c [ 84.360772][ T5368] __should_failslab+0xbc/0x10c [ 84.361575][ T5368] should_failslab+0x10/0x28 [ 84.362209][ T5368] slab_pre_alloc_hook+0x64/0xec [ 84.362917][ T5368] kmem_cache_alloc+0x94/0x3e4 [ 84.363679][ T5368] __debug_object_init+0x670/0x98c [ 84.364443][ T5368] debug_object_init+0x20/0x2c [ 84.365201][ T5368] init_timer_key+0x54/0x418 [ 84.365963][ T5368] bdi_alloc+0x114/0x144 [ 84.366625][ T5368] __alloc_disk_node+0x8c/0x458 [ 84.367353][ T5368] __blk_mq_alloc_disk+0xe8/0x154 [ 84.368087][ T5368] loop_add+0x240/0x6e0 [ 84.368726][ T5368] loop_control_ioctl+0x128/0x4d0 [ 84.369472][ T5368] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.370244][ T5368] invoke_syscall+0x98/0x2b8 [ 84.370911][ T5368] el0_svc_common+0x138/0x258 [ 84.371547][ T5368] do_el0_svc+0x58/0x14c [ 84.372136][ T5368] el0_svc+0x78/0x1e0 [ 84.372732][ T5368] el0t_64_sync_handler+0xcc/0xe4 [ 84.373445][ T5368] el0t_64_sync+0x1a0/0x1a4 [ 84.385132][ T5370] FAULT_INJECTION: forcing a failure. [ 84.385132][ T5370] name failslab, interval 1, probability 0, space 0, times 0 [ 84.387120][ T5370] CPU: 1 PID: 5370 Comm: syz.0.195 Tainted: G W syzkaller #0 [ 84.388497][ T5370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.390086][ T5370] Call trace: [ 84.390592][ T5370] dump_backtrace+0x0/0x43c [ 84.391264][ T5370] show_stack+0x2c/0x3c [ 84.391887][ T5370] __dump_stack+0x30/0x40 [ 84.392490][ T5370] dump_stack_lvl+0xf8/0x160 [ 84.393185][ T5370] dump_stack+0x1c/0x5c [ 84.393836][ T5370] should_fail+0x3c0/0x51c [ 84.394522][ T5370] __should_failslab+0xbc/0x10c [ 84.395266][ T5370] should_failslab+0x10/0x28 [ 84.395947][ T5370] slab_pre_alloc_hook+0x64/0xec [ 84.396664][ T5370] kmem_cache_alloc_node_trace+0x9c/0x438 [ 84.397520][ T5370] throtl_pd_alloc+0xac/0x4ec [ 84.398238][ T5370] blkcg_activate_policy+0x204/0xa8c [ 84.399037][ T5370] blk_throtl_init+0x308/0x3ec [ 84.399719][ T5370] blkcg_init_queue+0x3cc/0x484 [ 84.400420][ T5370] blk_alloc_queue+0x3cc/0x4a0 [ 84.401095][ T5370] __blk_mq_alloc_disk+0x5c/0x154 [ 84.401818][ T5370] loop_add+0x240/0x6e0 [ 84.402433][ T5370] loop_control_ioctl+0x128/0x4d0 [ 84.403132][ T5370] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.403868][ T5370] invoke_syscall+0x98/0x2b8 [ 84.404563][ T5370] el0_svc_common+0x138/0x258 [ 84.405203][ T5370] do_el0_svc+0x58/0x14c [ 84.406051][ T5370] el0_svc+0x78/0x1e0 [ 84.406608][ T5370] el0t_64_sync_handler+0xcc/0xe4 [ 84.407387][ T5370] el0t_64_sync+0x1a0/0x1a4 [ 84.418672][ T5372] FAULT_INJECTION: forcing a failure. [ 84.418672][ T5372] name failslab, interval 1, probability 0, space 0, times 0 [ 84.420701][ T5372] CPU: 1 PID: 5372 Comm: syz.0.196 Tainted: G W syzkaller #0 [ 84.422003][ T5372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.423462][ T5372] Call trace: [ 84.423941][ T5372] dump_backtrace+0x0/0x43c [ 84.424574][ T5372] show_stack+0x2c/0x3c [ 84.425210][ T5372] __dump_stack+0x30/0x40 [ 84.425895][ T5372] dump_stack_lvl+0xf8/0x160 [ 84.426572][ T5372] dump_stack+0x1c/0x5c [ 84.427235][ T5372] should_fail+0x3c0/0x51c [ 84.427880][ T5372] __should_failslab+0xbc/0x10c [ 84.428644][ T5372] should_failslab+0x10/0x28 [ 84.429284][ T5372] slab_pre_alloc_hook+0x64/0xec [ 84.429948][ T5372] kmem_cache_alloc_node_trace+0x9c/0x438 [ 84.430858][ T5372] throtl_pd_alloc+0xac/0x4ec [ 84.431541][ T5372] blkcg_activate_policy+0x204/0xa8c [ 84.432312][ T5372] blk_throtl_init+0x308/0x3ec [ 84.433035][ T5372] blkcg_init_queue+0x3cc/0x484 [ 84.433766][ T5372] blk_alloc_queue+0x3cc/0x4a0 [ 84.434445][ T5372] __blk_mq_alloc_disk+0x5c/0x154 [ 84.435186][ T5372] loop_add+0x240/0x6e0 [ 84.435761][ T5372] loop_control_ioctl+0x128/0x4d0 [ 84.436427][ T5372] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.437178][ T5372] invoke_syscall+0x98/0x2b8 [ 84.437866][ T5372] el0_svc_common+0x138/0x258 [ 84.438585][ T5372] do_el0_svc+0x58/0x14c [ 84.439281][ T5372] el0_svc+0x78/0x1e0 [ 84.439909][ T5372] el0t_64_sync_handler+0xcc/0xe4 [ 84.440703][ T5372] el0t_64_sync+0x1a0/0x1a4 [ 84.456706][ T5374] FAULT_INJECTION: forcing a failure. [ 84.456706][ T5374] name failslab, interval 1, probability 0, space 0, times 0 [ 84.458462][ T5374] CPU: 1 PID: 5374 Comm: syz.0.197 Tainted: G W syzkaller #0 [ 84.459818][ T5374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.461333][ T5374] Call trace: [ 84.461816][ T5374] dump_backtrace+0x0/0x43c [ 84.462470][ T5374] show_stack+0x2c/0x3c [ 84.463164][ T5374] __dump_stack+0x30/0x40 [ 84.463805][ T5374] dump_stack_lvl+0xf8/0x160 [ 84.464538][ T5374] dump_stack+0x1c/0x5c [ 84.465164][ T5374] should_fail+0x3c0/0x51c [ 84.465832][ T5374] __should_failslab+0xbc/0x10c [ 84.466592][ T5374] should_failslab+0x10/0x28 [ 84.467315][ T5374] slab_pre_alloc_hook+0x64/0xec [ 84.468103][ T5374] __kmalloc_track_caller+0x74/0x370 [ 84.468930][ T5374] kstrdup+0xe4/0x15c [ 84.469592][ T5374] kstrdup_const+0x54/0x6c [ 84.470269][ T5374] kvasprintf_const+0x118/0x2d0 [ 84.471045][ T5374] kobject_set_name_vargs+0xcc/0x1b4 [ 84.471836][ T5374] dev_set_name+0xd8/0x124 [ 84.472494][ T5374] device_add_disk+0x258/0xad0 [ 84.473222][ T5374] loop_add+0x510/0x6e0 [ 84.473807][ T5374] loop_control_ioctl+0x128/0x4d0 [ 84.474590][ T5374] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.475348][ T5374] invoke_syscall+0x98/0x2b8 [ 84.476061][ T5374] el0_svc_common+0x138/0x258 [ 84.476747][ T5374] do_el0_svc+0x58/0x14c [ 84.477336][ T5374] el0_svc+0x78/0x1e0 [ 84.477913][ T5374] el0t_64_sync_handler+0xcc/0xe4 [ 84.478671][ T5374] el0t_64_sync+0x1a0/0x1a4 [ 84.488950][ T5376] FAULT_INJECTION: forcing a failure. [ 84.488950][ T5376] name failslab, interval 1, probability 0, space 0, times 0 [ 84.490995][ T5376] CPU: 0 PID: 5376 Comm: syz.0.198 Tainted: G W syzkaller #0 [ 84.492359][ T5376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.493981][ T5376] Call trace: [ 84.494501][ T5376] dump_backtrace+0x0/0x43c [ 84.495231][ T5376] show_stack+0x2c/0x3c [ 84.495894][ T5376] __dump_stack+0x30/0x40 [ 84.496586][ T5376] dump_stack_lvl+0xf8/0x160 [ 84.497354][ T5376] dump_stack+0x1c/0x5c [ 84.498011][ T5376] should_fail+0x3c0/0x51c [ 84.498698][ T5376] __should_failslab+0xbc/0x10c [ 84.499437][ T5376] should_failslab+0x10/0x28 [ 84.500114][ T5376] slab_pre_alloc_hook+0x64/0xec [ 84.500867][ T5376] kmem_cache_alloc_trace+0x98/0x3fc [ 84.501669][ T5376] rand_initialize_disk+0x58/0xb8 [ 84.502528][ T5376] __alloc_disk_node+0x2a8/0x458 [ 84.503279][ T5376] __blk_mq_alloc_disk+0xe8/0x154 [ 84.504038][ T5376] loop_add+0x240/0x6e0 [ 84.504664][ T5376] loop_control_ioctl+0x128/0x4d0 [ 84.505547][ T5376] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.506340][ T5376] invoke_syscall+0x98/0x2b8 [ 84.507036][ T5376] el0_svc_common+0x138/0x258 [ 84.507705][ T5376] do_el0_svc+0x58/0x14c [ 84.508335][ T5376] el0_svc+0x78/0x1e0 [ 84.508899][ T5376] el0t_64_sync_handler+0xcc/0xe4 [ 84.509649][ T5376] el0t_64_sync+0x1a0/0x1a4 [ 84.525275][ T5378] FAULT_INJECTION: forcing a failure. [ 84.525275][ T5378] name failslab, interval 1, probability 0, space 0, times 0 [ 84.527294][ T5378] CPU: 0 PID: 5378 Comm: syz.0.199 Tainted: G W syzkaller #0 [ 84.528646][ T5378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.530229][ T5378] Call trace: [ 84.530764][ T5378] dump_backtrace+0x0/0x43c [ 84.531475][ T5378] show_stack+0x2c/0x3c [ 84.532085][ T5378] __dump_stack+0x30/0x40 [ 84.532768][ T5378] dump_stack_lvl+0xf8/0x160 [ 84.533470][ T5378] dump_stack+0x1c/0x5c [ 84.534098][ T5378] should_fail+0x3c0/0x51c [ 84.534820][ T5378] __should_failslab+0xbc/0x10c [ 84.535586][ T5378] should_failslab+0x10/0x28 [ 84.536319][ T5378] slab_pre_alloc_hook+0x64/0xec [ 84.537070][ T5378] kmem_cache_alloc+0x94/0x3e4 [ 84.537825][ T5378] __debug_object_init+0x774/0x98c [ 84.538637][ T5378] debug_object_init+0x20/0x2c [ 84.539369][ T5378] __percpu_counter_init+0x10c/0x26c [ 84.540159][ T5378] blkg_rwstat_init+0xa0/0x2b8 [ 84.540870][ T5378] throtl_pd_alloc+0xf0/0x4ec [ 84.541530][ T5378] blkcg_activate_policy+0x204/0xa8c [ 84.542280][ T5378] blk_throtl_init+0x308/0x3ec [ 84.542946][ T5378] blkcg_init_queue+0x3cc/0x484 [ 84.543625][ T5378] blk_alloc_queue+0x3cc/0x4a0 [ 84.544335][ T5378] __blk_mq_alloc_disk+0x5c/0x154 [ 84.545112][ T5378] loop_add+0x240/0x6e0 [ 84.545716][ T5378] loop_control_ioctl+0x128/0x4d0 [ 84.546486][ T5378] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.547160][ T5378] invoke_syscall+0x98/0x2b8 [ 84.547792][ T5378] el0_svc_common+0x138/0x258 [ 84.548461][ T5378] do_el0_svc+0x58/0x14c [ 84.549064][ T5378] el0_svc+0x78/0x1e0 [ 84.549606][ T5378] el0t_64_sync_handler+0xcc/0xe4 [ 84.550320][ T5378] el0t_64_sync+0x1a0/0x1a4 [ 84.564311][ T5380] FAULT_INJECTION: forcing a failure. [ 84.564311][ T5380] name failslab, interval 1, probability 0, space 0, times 0 [ 84.566210][ T5380] CPU: 1 PID: 5380 Comm: syz.0.200 Tainted: G W syzkaller #0 [ 84.567559][ T5380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.569025][ T5380] Call trace: [ 84.569554][ T5380] dump_backtrace+0x0/0x43c [ 84.570195][ T5380] show_stack+0x2c/0x3c [ 84.570790][ T5380] __dump_stack+0x30/0x40 [ 84.571329][ T5380] dump_stack_lvl+0xf8/0x160 [ 84.571932][ T5380] dump_stack+0x1c/0x5c [ 84.572574][ T5380] should_fail+0x3c0/0x51c [ 84.573205][ T5380] __should_failslab+0xbc/0x10c [ 84.573956][ T5380] should_failslab+0x10/0x28 [ 84.574592][ T5380] slab_pre_alloc_hook+0x64/0xec [ 84.575349][ T5380] kmem_cache_alloc_node_trace+0x9c/0x438 [ 84.576212][ T5380] throtl_pd_alloc+0xac/0x4ec [ 84.576884][ T5380] blkcg_activate_policy+0x204/0xa8c [ 84.577691][ T5380] blk_throtl_init+0x308/0x3ec [ 84.578355][ T5380] blkcg_init_queue+0x3cc/0x484 [ 84.579065][ T5380] blk_alloc_queue+0x3cc/0x4a0 [ 84.579704][ T5380] __blk_mq_alloc_disk+0x5c/0x154 [ 84.580417][ T5380] loop_add+0x240/0x6e0 [ 84.581011][ T5380] loop_control_ioctl+0x128/0x4d0 [ 84.581718][ T5380] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.582439][ T5380] invoke_syscall+0x98/0x2b8 [ 84.583104][ T5380] el0_svc_common+0x138/0x258 [ 84.583812][ T5380] do_el0_svc+0x58/0x14c [ 84.584483][ T5380] el0_svc+0x78/0x1e0 [ 84.585046][ T5380] el0t_64_sync_handler+0xcc/0xe4 [ 84.585757][ T5380] el0t_64_sync+0x1a0/0x1a4 [ 84.602334][ T5382] FAULT_INJECTION: forcing a failure. [ 84.602334][ T5382] name failslab, interval 1, probability 0, space 0, times 0 [ 84.604295][ T5382] CPU: 0 PID: 5382 Comm: syz.0.201 Tainted: G W syzkaller #0 [ 84.605610][ T5382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.607180][ T5382] Call trace: [ 84.607692][ T5382] dump_backtrace+0x0/0x43c [ 84.608366][ T5382] show_stack+0x2c/0x3c [ 84.609020][ T5382] __dump_stack+0x30/0x40 [ 84.609697][ T5382] dump_stack_lvl+0xf8/0x160 [ 84.610380][ T5382] dump_stack+0x1c/0x5c [ 84.611005][ T5382] should_fail+0x3c0/0x51c [ 84.611675][ T5382] __should_failslab+0xbc/0x10c [ 84.612416][ T5382] should_failslab+0x10/0x28 [ 84.613104][ T5382] slab_pre_alloc_hook+0x64/0xec [ 84.613779][ T5382] kmem_cache_alloc+0x94/0x3e4 [ 84.614488][ T5382] __debug_object_init+0x65c/0x98c [ 84.615231][ T5382] debug_object_init+0x20/0x2c [ 84.615955][ T5382] init_timer_key+0x54/0x418 [ 84.616641][ T5382] wb_init+0x3cc/0x6ec [ 84.617225][ T5382] bdi_init+0x1b4/0x2f4 [ 84.617807][ T5382] bdi_alloc+0x6c/0x144 [ 84.618363][ T5382] __alloc_disk_node+0x8c/0x458 [ 84.619002][ T5382] __blk_mq_alloc_disk+0xe8/0x154 [ 84.619766][ T5382] loop_add+0x240/0x6e0 [ 84.620365][ T5382] loop_control_ioctl+0x128/0x4d0 [ 84.621050][ T5382] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.621820][ T5382] invoke_syscall+0x98/0x2b8 [ 84.622486][ T5382] el0_svc_common+0x138/0x258 [ 84.623165][ T5382] do_el0_svc+0x58/0x14c [ 84.623747][ T5382] el0_svc+0x78/0x1e0 [ 84.624291][ T5382] el0t_64_sync_handler+0xcc/0xe4 [ 84.625009][ T5382] el0t_64_sync+0x1a0/0x1a4 [ 84.643066][ T5384] FAULT_INJECTION: forcing a failure. [ 84.643066][ T5384] name failslab, interval 1, probability 0, space 0, times 0 [ 84.645071][ T5384] CPU: 0 PID: 5384 Comm: syz.0.202 Tainted: G W syzkaller #0 [ 84.646416][ T5384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.647872][ T5384] Call trace: [ 84.648391][ T5384] dump_backtrace+0x0/0x43c [ 84.649068][ T5384] show_stack+0x2c/0x3c [ 84.649694][ T5384] __dump_stack+0x30/0x40 [ 84.650353][ T5384] dump_stack_lvl+0xf8/0x160 [ 84.651086][ T5384] dump_stack+0x1c/0x5c [ 84.651719][ T5384] should_fail+0x3c0/0x51c [ 84.652386][ T5384] __should_failslab+0xbc/0x10c [ 84.653120][ T5384] should_failslab+0x10/0x28 [ 84.653803][ T5384] slab_pre_alloc_hook+0x64/0xec [ 84.654563][ T5384] kmem_cache_alloc_node_trace+0x9c/0x438 [ 84.655365][ T5384] throtl_pd_alloc+0xac/0x4ec [ 84.656004][ T5384] blkcg_activate_policy+0x204/0xa8c [ 84.656789][ T5384] blk_throtl_init+0x308/0x3ec [ 84.657504][ T5384] blkcg_init_queue+0x3cc/0x484 [ 84.658227][ T5384] blk_alloc_queue+0x3cc/0x4a0 [ 84.658925][ T5384] __blk_mq_alloc_disk+0x5c/0x154 [ 84.659662][ T5384] loop_add+0x240/0x6e0 [ 84.660284][ T5384] loop_control_ioctl+0x128/0x4d0 [ 84.661017][ T5384] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.661715][ T5384] invoke_syscall+0x98/0x2b8 [ 84.662399][ T5384] el0_svc_common+0x138/0x258 [ 84.663119][ T5384] do_el0_svc+0x58/0x14c [ 84.663731][ T5384] el0_svc+0x78/0x1e0 [ 84.664343][ T5384] el0t_64_sync_handler+0xcc/0xe4 [ 84.665081][ T5384] el0t_64_sync+0x1a0/0x1a4 [ 84.680119][ T5386] FAULT_INJECTION: forcing a failure. [ 84.680119][ T5386] name failslab, interval 1, probability 0, space 0, times 0 [ 84.682101][ T5386] CPU: 1 PID: 5386 Comm: syz.0.203 Tainted: G W syzkaller #0 [ 84.683384][ T5386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.684937][ T5386] Call trace: [ 84.685381][ T5386] dump_backtrace+0x0/0x43c [ 84.686048][ T5386] show_stack+0x2c/0x3c [ 84.686665][ T5386] __dump_stack+0x30/0x40 [ 84.687310][ T5386] dump_stack_lvl+0xf8/0x160 [ 84.688016][ T5386] dump_stack+0x1c/0x5c [ 84.688632][ T5386] should_fail+0x3c0/0x51c [ 84.689262][ T5386] __should_failslab+0xbc/0x10c [ 84.689985][ T5386] should_failslab+0x10/0x28 [ 84.690619][ T5386] slab_pre_alloc_hook+0x64/0xec [ 84.691339][ T5386] __kmalloc_track_caller+0x74/0x370 [ 84.692106][ T5386] kstrdup+0xe4/0x15c [ 84.692680][ T5386] kstrdup_const+0x54/0x6c [ 84.693346][ T5386] kvasprintf_const+0x118/0x2d0 [ 84.694070][ T5386] kobject_set_name_vargs+0xcc/0x1b4 [ 84.694822][ T5386] dev_set_name+0xd8/0x124 [ 84.695489][ T5386] device_add_disk+0x258/0xad0 [ 84.696199][ T5386] loop_add+0x510/0x6e0 [ 84.696801][ T5386] loop_control_ioctl+0x128/0x4d0 [ 84.697542][ T5386] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.698248][ T5386] invoke_syscall+0x98/0x2b8 [ 84.698887][ T5386] el0_svc_common+0x138/0x258 [ 84.699537][ T5386] do_el0_svc+0x58/0x14c [ 84.700108][ T5386] el0_svc+0x78/0x1e0 [ 84.700716][ T5386] el0t_64_sync_handler+0xcc/0xe4 [ 84.701408][ T5386] el0t_64_sync+0x1a0/0x1a4 [ 84.710835][ T5388] FAULT_INJECTION: forcing a failure. [ 84.710835][ T5388] name failslab, interval 1, probability 0, space 0, times 0 [ 84.712655][ T5388] CPU: 0 PID: 5388 Comm: syz.0.204 Tainted: G W syzkaller #0 [ 84.713926][ T5388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.715545][ T5388] Call trace: [ 84.716059][ T5388] dump_backtrace+0x0/0x43c [ 84.716737][ T5388] show_stack+0x2c/0x3c [ 84.717366][ T5388] __dump_stack+0x30/0x40 [ 84.718039][ T5388] dump_stack_lvl+0xf8/0x160 [ 84.718719][ T5388] dump_stack+0x1c/0x5c [ 84.719293][ T5388] should_fail+0x3c0/0x51c [ 84.719919][ T5388] __should_failslab+0xbc/0x10c [ 84.720681][ T5388] should_failslab+0x10/0x28 [ 84.721349][ T5388] slab_pre_alloc_hook+0x64/0xec [ 84.722102][ T5388] __kmalloc_track_caller+0x74/0x370 [ 84.722916][ T5388] kstrdup+0xe4/0x15c [ 84.723569][ T5388] kstrdup_const+0x54/0x6c [ 84.724208][ T5388] kvasprintf_const+0x118/0x2d0 [ 84.724903][ T5388] kobject_set_name_vargs+0xcc/0x1b4 [ 84.725775][ T5388] dev_set_name+0xd8/0x124 [ 84.726377][ T5388] device_add_disk+0x258/0xad0 [ 84.727060][ T5388] loop_add+0x510/0x6e0 [ 84.727710][ T5388] loop_control_ioctl+0x128/0x4d0 [ 84.728446][ T5388] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.729158][ T5388] invoke_syscall+0x98/0x2b8 [ 84.729839][ T5388] el0_svc_common+0x138/0x258 [ 84.730480][ T5388] do_el0_svc+0x58/0x14c [ 84.731070][ T5388] el0_svc+0x78/0x1e0 [ 84.731649][ T5388] el0t_64_sync_handler+0xcc/0xe4 [ 84.732383][ T5388] el0t_64_sync+0x1a0/0x1a4 [ 84.741791][ T5390] FAULT_INJECTION: forcing a failure. [ 84.741791][ T5390] name failslab, interval 1, probability 0, space 0, times 0 [ 84.743745][ T5390] CPU: 0 PID: 5390 Comm: syz.0.205 Tainted: G W syzkaller #0 [ 84.745096][ T5390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.746724][ T5390] Call trace: [ 84.747261][ T5390] dump_backtrace+0x0/0x43c [ 84.747954][ T5390] show_stack+0x2c/0x3c [ 84.748603][ T5390] __dump_stack+0x30/0x40 [ 84.749297][ T5390] dump_stack_lvl+0xf8/0x160 [ 84.749944][ T5390] dump_stack+0x1c/0x5c [ 84.750544][ T5390] should_fail+0x3c0/0x51c [ 84.751285][ T5390] __should_failslab+0xbc/0x10c [ 84.751996][ T5390] should_failslab+0x10/0x28 [ 84.752660][ T5390] slab_pre_alloc_hook+0x64/0xec [ 84.753395][ T5390] __kmalloc_track_caller+0x74/0x370 [ 84.754237][ T5390] kstrdup+0xe4/0x15c [ 84.754899][ T5390] kstrdup_const+0x54/0x6c [ 84.755574][ T5390] kvasprintf_const+0x118/0x2d0 [ 84.756301][ T5390] kobject_set_name_vargs+0xcc/0x1b4 [ 84.757116][ T5390] dev_set_name+0xd8/0x124 [ 84.757752][ T5390] device_add_disk+0x258/0xad0 [ 84.758514][ T5390] loop_add+0x510/0x6e0 [ 84.759129][ T5390] loop_control_ioctl+0x128/0x4d0 [ 84.759867][ T5390] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.760637][ T5390] invoke_syscall+0x98/0x2b8 [ 84.761338][ T5390] el0_svc_common+0x138/0x258 [ 84.762068][ T5390] do_el0_svc+0x58/0x14c [ 84.762706][ T5390] el0_svc+0x78/0x1e0 [ 84.763333][ T5390] el0t_64_sync_handler+0xcc/0xe4 [ 84.764113][ T5390] el0t_64_sync+0x1a0/0x1a4 [ 84.773359][ T5392] FAULT_INJECTION: forcing a failure. [ 84.773359][ T5392] name failslab, interval 1, probability 0, space 0, times 0 [ 84.775325][ T5392] CPU: 0 PID: 5392 Comm: syz.0.206 Tainted: G W syzkaller #0 [ 84.776693][ T5392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.778301][ T5392] Call trace: [ 84.778819][ T5392] dump_backtrace+0x0/0x43c [ 84.779472][ T5392] show_stack+0x2c/0x3c [ 84.780136][ T5392] __dump_stack+0x30/0x40 [ 84.780811][ T5392] dump_stack_lvl+0xf8/0x160 [ 84.781498][ T5392] dump_stack+0x1c/0x5c [ 84.782055][ T5392] should_fail+0x3c0/0x51c [ 84.782726][ T5392] __should_failslab+0xbc/0x10c [ 84.783456][ T5392] should_failslab+0x10/0x28 [ 84.784171][ T5392] slab_pre_alloc_hook+0x64/0xec [ 84.784896][ T5392] kmem_cache_alloc_trace+0x98/0x3fc [ 84.785634][ T5392] blk_iolatency_init+0x64/0x430 [ 84.786394][ T5392] blkcg_init_queue+0x3f0/0x484 [ 84.787119][ T5392] blk_alloc_queue+0x3cc/0x4a0 [ 84.787786][ T5392] __blk_mq_alloc_disk+0x5c/0x154 [ 84.788534][ T5392] loop_add+0x240/0x6e0 [ 84.789172][ T5392] loop_control_ioctl+0x128/0x4d0 [ 84.789971][ T5392] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.790708][ T5392] invoke_syscall+0x98/0x2b8 [ 84.791347][ T5392] el0_svc_common+0x138/0x258 [ 84.792002][ T5392] do_el0_svc+0x58/0x14c [ 84.792637][ T5392] el0_svc+0x78/0x1e0 [ 84.793210][ T5392] el0t_64_sync_handler+0xcc/0xe4 [ 84.793921][ T5392] el0t_64_sync+0x1a0/0x1a4 [ 84.803734][ T5394] FAULT_INJECTION: forcing a failure. [ 84.803734][ T5394] name failslab, interval 1, probability 0, space 0, times 0 [ 84.805837][ T5394] CPU: 1 PID: 5394 Comm: syz.0.207 Tainted: G W syzkaller #0 [ 84.807230][ T5394] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.808717][ T5394] Call trace: [ 84.809193][ T5394] dump_backtrace+0x0/0x43c [ 84.809870][ T5394] show_stack+0x2c/0x3c [ 84.810437][ T5394] __dump_stack+0x30/0x40 [ 84.811082][ T5394] dump_stack_lvl+0xf8/0x160 [ 84.811746][ T5394] dump_stack+0x1c/0x5c [ 84.812307][ T5394] should_fail+0x3c0/0x51c [ 84.812968][ T5394] __should_failslab+0xbc/0x10c [ 84.813664][ T5394] should_failslab+0x10/0x28 [ 84.814342][ T5394] slab_pre_alloc_hook+0x64/0xec [ 84.815061][ T5394] kmem_cache_alloc+0x94/0x3e4 [ 84.815789][ T5394] __debug_object_init+0x774/0x98c [ 84.816521][ T5394] debug_object_init+0x20/0x2c [ 84.817196][ T5394] __percpu_counter_init+0x10c/0x26c [ 84.817962][ T5394] blkg_rwstat_init+0x1c4/0x2b8 [ 84.818687][ T5394] throtl_pd_alloc+0xf0/0x4ec [ 84.819354][ T5394] blkcg_activate_policy+0x204/0xa8c [ 84.820108][ T5394] blk_throtl_init+0x308/0x3ec [ 84.820839][ T5394] blkcg_init_queue+0x3cc/0x484 [ 84.821639][ T5394] blk_alloc_queue+0x3cc/0x4a0 [ 84.822451][ T5394] __blk_mq_alloc_disk+0x5c/0x154 [ 84.823214][ T5394] loop_add+0x240/0x6e0 [ 84.823876][ T5394] loop_control_ioctl+0x128/0x4d0 [ 84.824623][ T5394] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.825382][ T5394] invoke_syscall+0x98/0x2b8 [ 84.826127][ T5394] el0_svc_common+0x138/0x258 [ 84.826840][ T5394] do_el0_svc+0x58/0x14c [ 84.827478][ T5394] el0_svc+0x78/0x1e0 [ 84.828100][ T5394] el0t_64_sync_handler+0xcc/0xe4 [ 84.828979][ T5394] el0t_64_sync+0x1a0/0x1a4 [ 84.841580][ T5396] FAULT_INJECTION: forcing a failure. [ 84.841580][ T5396] name failslab, interval 1, probability 0, space 0, times 0 [ 84.843530][ T5396] CPU: 1 PID: 5396 Comm: syz.0.208 Tainted: G W syzkaller #0 [ 84.844780][ T5396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.846396][ T5396] Call trace: [ 84.846918][ T5396] dump_backtrace+0x0/0x43c [ 84.847553][ T5396] show_stack+0x2c/0x3c [ 84.848169][ T5396] __dump_stack+0x30/0x40 [ 84.848953][ T5396] dump_stack_lvl+0xf8/0x160 [ 84.849648][ T5396] dump_stack+0x1c/0x5c [ 84.850288][ T5396] should_fail+0x3c0/0x51c [ 84.850931][ T5396] __should_failslab+0xbc/0x10c [ 84.851597][ T5396] should_failslab+0x10/0x28 [ 84.852268][ T5396] slab_pre_alloc_hook+0x64/0xec [ 84.853011][ T5396] kmem_cache_alloc_node_trace+0x9c/0x438 [ 84.853824][ T5396] throtl_pd_alloc+0xac/0x4ec [ 84.854460][ T5396] blkcg_activate_policy+0x204/0xa8c [ 84.855261][ T5396] blk_throtl_init+0x308/0x3ec [ 84.855937][ T5396] blkcg_init_queue+0x3cc/0x484 [ 84.856593][ T5396] blk_alloc_queue+0x3cc/0x4a0 [ 84.857324][ T5396] __blk_mq_alloc_disk+0x5c/0x154 [ 84.858009][ T5396] loop_add+0x240/0x6e0 [ 84.858597][ T5396] loop_control_ioctl+0x128/0x4d0 [ 84.859336][ T5396] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.860054][ T5396] invoke_syscall+0x98/0x2b8 [ 84.860728][ T5396] el0_svc_common+0x138/0x258 [ 84.861349][ T5396] do_el0_svc+0x58/0x14c [ 84.862004][ T5396] el0_svc+0x78/0x1e0 [ 84.862599][ T5396] el0t_64_sync_handler+0xcc/0xe4 [ 84.863311][ T5396] el0t_64_sync+0x1a0/0x1a4 [ 84.874886][ T5398] FAULT_INJECTION: forcing a failure. [ 84.874886][ T5398] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 84.876979][ T5398] CPU: 1 PID: 5398 Comm: syz.0.209 Tainted: G W syzkaller #0 [ 84.878330][ T5398] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.879755][ T5398] Call trace: [ 84.880250][ T5398] dump_backtrace+0x0/0x43c [ 84.880896][ T5398] show_stack+0x2c/0x3c [ 84.881568][ T5398] __dump_stack+0x30/0x40 [ 84.882178][ T5398] dump_stack_lvl+0xf8/0x160 [ 84.882837][ T5398] dump_stack+0x1c/0x5c [ 84.883475][ T5398] should_fail+0x3c0/0x51c [ 84.884106][ T5398] should_fail_alloc_page+0x74/0xa8 [ 84.884889][ T5398] prepare_alloc_pages+0x160/0x460 [ 84.885643][ T5398] __alloc_pages+0x108/0x470 [ 84.886311][ T5398] alloc_pages+0x34c/0x5c0 [ 84.886947][ T5398] stack_depot_save+0x354/0x49c [ 84.887643][ T5398] __kasan_slab_alloc+0xa8/0xcc [ 84.888365][ T5398] slab_post_alloc_hook+0x74/0x408 [ 84.889037][ T5398] kmem_cache_alloc+0x1e0/0x3e4 [ 84.889800][ T5398] __debug_object_init+0x774/0x98c [ 84.890514][ T5398] debug_object_init+0x20/0x2c [ 84.891165][ T5398] __percpu_counter_init+0x10c/0x26c [ 84.891930][ T5398] blkg_rwstat_init+0xa0/0x2b8 [ 84.892633][ T5398] throtl_pd_alloc+0xc0/0x4ec [ 84.893330][ T5398] blkcg_activate_policy+0x204/0xa8c [ 84.894120][ T5398] blk_throtl_init+0x308/0x3ec [ 84.894892][ T5398] blkcg_init_queue+0x3cc/0x484 [ 84.895592][ T5398] blk_alloc_queue+0x3cc/0x4a0 [ 84.896312][ T5398] __blk_mq_alloc_disk+0x5c/0x154 [ 84.897085][ T5398] loop_add+0x240/0x6e0 [ 84.897711][ T5398] loop_control_ioctl+0x128/0x4d0 [ 84.898511][ T5398] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.899252][ T5398] invoke_syscall+0x98/0x2b8 [ 84.899929][ T5398] el0_svc_common+0x138/0x258 [ 84.900589][ T5398] do_el0_svc+0x58/0x14c [ 84.901221][ T5398] el0_svc+0x78/0x1e0 [ 84.901790][ T5398] el0t_64_sync_handler+0xcc/0xe4 [ 84.902493][ T5398] el0t_64_sync+0x1a0/0x1a4 [ 84.915055][ T5400] FAULT_INJECTION: forcing a failure. [ 84.915055][ T5400] name failslab, interval 1, probability 0, space 0, times 0 [ 84.917142][ T5400] CPU: 1 PID: 5400 Comm: syz.0.210 Tainted: G W syzkaller #0 [ 84.918343][ T5400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.919785][ T5400] Call trace: [ 84.920236][ T5400] dump_backtrace+0x0/0x43c [ 84.920873][ T5400] show_stack+0x2c/0x3c [ 84.921446][ T5400] __dump_stack+0x30/0x40 [ 84.922056][ T5400] dump_stack_lvl+0xf8/0x160 [ 84.922776][ T5400] dump_stack+0x1c/0x5c [ 84.923369][ T5400] should_fail+0x3c0/0x51c [ 84.924012][ T5400] __should_failslab+0xbc/0x10c [ 84.924696][ T5400] should_failslab+0x10/0x28 [ 84.925340][ T5400] slab_pre_alloc_hook+0x64/0xec [ 84.926046][ T5400] __kmalloc_track_caller+0x74/0x370 [ 84.926820][ T5400] kstrdup+0xe4/0x15c [ 84.927349][ T5400] kstrdup_const+0x54/0x6c [ 84.928013][ T5400] kvasprintf_const+0x118/0x2d0 [ 84.928746][ T5400] kobject_set_name_vargs+0xcc/0x1b4 [ 84.929461][ T5400] dev_set_name+0xd8/0x124 [ 84.930085][ T5400] device_add_disk+0x258/0xad0 [ 84.930749][ T5400] loop_add+0x510/0x6e0 [ 84.931363][ T5400] loop_control_ioctl+0x128/0x4d0 [ 84.932106][ T5400] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.932809][ T5400] invoke_syscall+0x98/0x2b8 [ 84.933465][ T5400] el0_svc_common+0x138/0x258 [ 84.934165][ T5400] do_el0_svc+0x58/0x14c [ 84.934773][ T5400] el0_svc+0x78/0x1e0 [ 84.935364][ T5400] el0t_64_sync_handler+0xcc/0xe4 [ 84.936049][ T5400] el0t_64_sync+0x1a0/0x1a4 [ 84.945367][ T5402] FAULT_INJECTION: forcing a failure. [ 84.945367][ T5402] name failslab, interval 1, probability 0, space 0, times 0 [ 84.947912][ T5402] CPU: 0 PID: 5402 Comm: syz.0.211 Tainted: G W syzkaller #0 [ 84.949134][ T5402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.950679][ T5402] Call trace: [ 84.951168][ T5402] dump_backtrace+0x0/0x43c [ 84.951849][ T5402] show_stack+0x2c/0x3c [ 84.952469][ T5402] __dump_stack+0x30/0x40 [ 84.953131][ T5402] dump_stack_lvl+0xf8/0x160 [ 84.953865][ T5402] dump_stack+0x1c/0x5c [ 84.954582][ T5402] should_fail+0x3c0/0x51c [ 84.955249][ T5402] __should_failslab+0xbc/0x10c [ 84.955935][ T5402] should_failslab+0x10/0x28 [ 84.956694][ T5402] slab_pre_alloc_hook+0x64/0xec [ 84.957402][ T5402] __kmalloc_track_caller+0x74/0x370 [ 84.958213][ T5402] kstrdup+0xe4/0x15c [ 84.958890][ T5402] kstrdup_const+0x54/0x6c [ 84.959591][ T5402] kvasprintf_const+0x118/0x2d0 [ 84.960399][ T5402] kobject_set_name_vargs+0xcc/0x1b4 [ 84.961224][ T5402] dev_set_name+0xd8/0x124 [ 84.961921][ T5402] device_add_disk+0x258/0xad0 [ 84.962642][ T5402] loop_add+0x510/0x6e0 [ 84.963238][ T5402] loop_control_ioctl+0x128/0x4d0 [ 84.963956][ T5402] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.964684][ T5402] invoke_syscall+0x98/0x2b8 [ 84.965389][ T5402] el0_svc_common+0x138/0x258 [ 84.966123][ T5402] do_el0_svc+0x58/0x14c [ 84.966700][ T5402] el0_svc+0x78/0x1e0 [ 84.967315][ T5402] el0t_64_sync_handler+0xcc/0xe4 [ 84.968073][ T5402] el0t_64_sync+0x1a0/0x1a4 [ 84.977389][ T5404] FAULT_INJECTION: forcing a failure. [ 84.977389][ T5404] name failslab, interval 1, probability 0, space 0, times 0 [ 84.979291][ T5404] CPU: 1 PID: 5404 Comm: syz.0.212 Tainted: G W syzkaller #0 [ 84.980541][ T5404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.981952][ T5404] Call trace: [ 84.982433][ T5404] dump_backtrace+0x0/0x43c [ 84.983138][ T5404] show_stack+0x2c/0x3c [ 84.983749][ T5404] __dump_stack+0x30/0x40 [ 84.984378][ T5404] dump_stack_lvl+0xf8/0x160 [ 84.985008][ T5404] dump_stack+0x1c/0x5c [ 84.985587][ T5404] should_fail+0x3c0/0x51c [ 84.986248][ T5404] __should_failslab+0xbc/0x10c [ 84.986893][ T5404] should_failslab+0x10/0x28 [ 84.987559][ T5404] slab_pre_alloc_hook+0x64/0xec [ 84.988306][ T5404] __kmalloc_track_caller+0x74/0x370 [ 84.989068][ T5404] kstrdup+0xe4/0x15c [ 84.989604][ T5404] kstrdup_const+0x54/0x6c [ 84.990222][ T5404] kvasprintf_const+0x118/0x2d0 [ 84.990956][ T5404] kobject_set_name_vargs+0xcc/0x1b4 [ 84.991730][ T5404] dev_set_name+0xd8/0x124 [ 84.992353][ T5404] device_add_disk+0x258/0xad0 [ 84.993053][ T5404] loop_add+0x510/0x6e0 [ 84.993607][ T5404] loop_control_ioctl+0x128/0x4d0 [ 84.994310][ T5404] __arm64_sys_ioctl+0x14c/0x1c8 [ 84.995049][ T5404] invoke_syscall+0x98/0x2b8 [ 84.995826][ T5404] el0_svc_common+0x138/0x258 [ 84.996484][ T5404] do_el0_svc+0x58/0x14c [ 84.997063][ T5404] el0_svc+0x78/0x1e0 [ 84.997581][ T5404] el0t_64_sync_handler+0xcc/0xe4 [ 84.998281][ T5404] el0t_64_sync+0x1a0/0x1a4 [ 85.007369][ T5406] FAULT_INJECTION: forcing a failure. [ 85.007369][ T5406] name failslab, interval 1, probability 0, space 0, times 0 [ 85.009342][ T5406] CPU: 0 PID: 5406 Comm: syz.0.213 Tainted: G W syzkaller #0 [ 85.010698][ T5406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.012175][ T5406] Call trace: [ 85.012645][ T5406] dump_backtrace+0x0/0x43c [ 85.013304][ T5406] show_stack+0x2c/0x3c [ 85.013958][ T5406] __dump_stack+0x30/0x40 [ 85.014599][ T5406] dump_stack_lvl+0xf8/0x160 [ 85.015309][ T5406] dump_stack+0x1c/0x5c [ 85.015973][ T5406] should_fail+0x3c0/0x51c [ 85.016583][ T5406] __should_failslab+0xbc/0x10c [ 85.017318][ T5406] should_failslab+0x10/0x28 [ 85.018044][ T5406] slab_pre_alloc_hook+0x64/0xec [ 85.018837][ T5406] __kmalloc_node+0xb8/0x520 [ 85.019504][ T5406] memcg_alloc_page_obj_cgroups+0x80/0x174 [ 85.020332][ T5406] new_slab+0x114/0x55c [ 85.020973][ T5406] ___slab_alloc+0x6c0/0xda8 [ 85.021699][ T5406] __slab_alloc+0x68/0xc0 [ 85.022404][ T5406] kmem_cache_alloc+0x2ac/0x3e4 [ 85.023158][ T5406] bdev_alloc_inode+0x24/0x60 [ 85.023871][ T5406] new_inode_pseudo+0x68/0x1fc [ 85.024609][ T5406] new_inode+0x38/0x174 [ 85.025314][ T5406] bdev_alloc+0x30/0x1f8 [ 85.025981][ T5406] __alloc_disk_node+0xbc/0x458 [ 85.026714][ T5406] __blk_mq_alloc_disk+0xe8/0x154 [ 85.027448][ T5406] loop_add+0x240/0x6e0 [ 85.028116][ T5406] loop_control_ioctl+0x128/0x4d0 [ 85.028883][ T5406] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.029629][ T5406] invoke_syscall+0x98/0x2b8 [ 85.030423][ T5406] el0_svc_common+0x138/0x258 [ 85.031150][ T5406] do_el0_svc+0x58/0x14c [ 85.031805][ T5406] el0_svc+0x78/0x1e0 [ 85.032398][ T5406] el0t_64_sync_handler+0xcc/0xe4 [ 85.033224][ T5406] el0t_64_sync+0x1a0/0x1a4 [ 85.047080][ T5408] FAULT_INJECTION: forcing a failure. [ 85.047080][ T5408] name failslab, interval 1, probability 0, space 0, times 0 [ 85.048985][ T5408] CPU: 1 PID: 5408 Comm: syz.0.214 Tainted: G W syzkaller #0 [ 85.050399][ T5408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.052094][ T5408] Call trace: [ 85.052611][ T5408] dump_backtrace+0x0/0x43c [ 85.053268][ T5408] show_stack+0x2c/0x3c [ 85.053920][ T5408] __dump_stack+0x30/0x40 [ 85.054601][ T5408] dump_stack_lvl+0xf8/0x160 [ 85.055220][ T5408] dump_stack+0x1c/0x5c [ 85.055822][ T5408] should_fail+0x3c0/0x51c [ 85.056491][ T5408] __should_failslab+0xbc/0x10c [ 85.057194][ T5408] should_failslab+0x10/0x28 [ 85.057878][ T5408] slab_pre_alloc_hook+0x64/0xec [ 85.058603][ T5408] kmem_cache_alloc+0x94/0x3e4 [ 85.059324][ T5408] __debug_object_init+0x648/0x98c [ 85.060060][ T5408] debug_object_init+0x20/0x2c [ 85.060767][ T5408] __percpu_counter_init+0x10c/0x26c [ 85.061593][ T5408] wb_init+0x588/0x6ec [ 85.062230][ T5408] bdi_init+0x1b4/0x2f4 [ 85.062936][ T5408] bdi_alloc+0x6c/0x144 [ 85.063558][ T5408] __alloc_disk_node+0x8c/0x458 [ 85.064267][ T5408] __blk_mq_alloc_disk+0xe8/0x154 [ 85.065016][ T5408] loop_add+0x240/0x6e0 [ 85.065646][ T5408] loop_control_ioctl+0x128/0x4d0 [ 85.066318][ T5408] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.067027][ T5408] invoke_syscall+0x98/0x2b8 [ 85.067657][ T5408] el0_svc_common+0x138/0x258 [ 85.068374][ T5408] do_el0_svc+0x58/0x14c [ 85.068994][ T5408] el0_svc+0x78/0x1e0 [ 85.069568][ T5408] el0t_64_sync_handler+0xcc/0xe4 [ 85.070272][ T5408] el0t_64_sync+0x1a0/0x1a4 [ 85.082853][ T5410] FAULT_INJECTION: forcing a failure. [ 85.082853][ T5410] name failslab, interval 1, probability 0, space 0, times 0 [ 85.084985][ T5410] CPU: 0 PID: 5410 Comm: syz.0.215 Tainted: G W syzkaller #0 [ 85.086294][ T5410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.087748][ T5410] Call trace: [ 85.088179][ T5410] dump_backtrace+0x0/0x43c [ 85.088839][ T5410] show_stack+0x2c/0x3c [ 85.089530][ T5410] __dump_stack+0x30/0x40 [ 85.090187][ T5410] dump_stack_lvl+0xf8/0x160 [ 85.090990][ T5410] dump_stack+0x1c/0x5c [ 85.091677][ T5410] should_fail+0x3c0/0x51c [ 85.092362][ T5410] __should_failslab+0xbc/0x10c [ 85.093132][ T5410] should_failslab+0x10/0x28 [ 85.093897][ T5410] slab_pre_alloc_hook+0x64/0xec [ 85.094653][ T5410] __kmalloc_track_caller+0x74/0x370 [ 85.095465][ T5410] kstrdup+0xe4/0x15c [ 85.096052][ T5410] kstrdup_const+0x54/0x6c [ 85.096757][ T5410] kvasprintf_const+0x118/0x2d0 [ 85.097514][ T5410] kobject_set_name_vargs+0xcc/0x1b4 [ 85.098355][ T5410] dev_set_name+0xd8/0x124 [ 85.099056][ T5410] device_add_disk+0x258/0xad0 [ 85.099786][ T5410] loop_add+0x510/0x6e0 [ 85.100423][ T5410] loop_control_ioctl+0x128/0x4d0 [ 85.101134][ T5410] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.101875][ T5410] invoke_syscall+0x98/0x2b8 [ 85.102553][ T5410] el0_svc_common+0x138/0x258 [ 85.103206][ T5410] do_el0_svc+0x58/0x14c [ 85.103772][ T5410] el0_svc+0x78/0x1e0 [ 85.104372][ T5410] el0t_64_sync_handler+0xcc/0xe4 [ 85.105073][ T5410] el0t_64_sync+0x1a0/0x1a4 [ 85.115029][ T5412] FAULT_INJECTION: forcing a failure. [ 85.115029][ T5412] name failslab, interval 1, probability 0, space 0, times 0 [ 85.117052][ T5412] CPU: 0 PID: 5412 Comm: syz.0.216 Tainted: G W syzkaller #0 [ 85.118558][ T5412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.120200][ T5412] Call trace: [ 85.120677][ T5412] dump_backtrace+0x0/0x43c [ 85.121341][ T5412] show_stack+0x2c/0x3c [ 85.121997][ T5412] __dump_stack+0x30/0x40 [ 85.122623][ T5412] dump_stack_lvl+0xf8/0x160 [ 85.123291][ T5412] dump_stack+0x1c/0x5c [ 85.123959][ T5412] should_fail+0x3c0/0x51c [ 85.124605][ T5412] __should_failslab+0xbc/0x10c [ 85.125351][ T5412] should_failslab+0x10/0x28 [ 85.125996][ T5412] slab_pre_alloc_hook+0x64/0xec [ 85.126731][ T5412] kmem_cache_alloc+0x94/0x3e4 [ 85.127436][ T5412] __debug_object_init+0x774/0x98c [ 85.128249][ T5412] debug_object_init+0x20/0x2c [ 85.128960][ T5412] __percpu_counter_init+0x10c/0x26c [ 85.129751][ T5412] blkg_rwstat_init+0x104/0x2b8 [ 85.130446][ T5412] throtl_pd_alloc+0xf0/0x4ec [ 85.131130][ T5412] blkcg_activate_policy+0x204/0xa8c [ 85.131919][ T5412] blk_throtl_init+0x308/0x3ec [ 85.132588][ T5412] blkcg_init_queue+0x3cc/0x484 [ 85.133318][ T5412] blk_alloc_queue+0x3cc/0x4a0 [ 85.134130][ T5412] __blk_mq_alloc_disk+0x5c/0x154 [ 85.134952][ T5412] loop_add+0x240/0x6e0 [ 85.135591][ T5412] loop_control_ioctl+0x128/0x4d0 [ 85.136365][ T5412] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.137132][ T5412] invoke_syscall+0x98/0x2b8 [ 85.137896][ T5412] el0_svc_common+0x138/0x258 [ 85.138609][ T5412] do_el0_svc+0x58/0x14c [ 85.139336][ T5412] el0_svc+0x78/0x1e0 [ 85.139945][ T5412] el0t_64_sync_handler+0xcc/0xe4 [ 85.140764][ T5412] el0t_64_sync+0x1a0/0x1a4 [ 85.154835][ T5414] FAULT_INJECTION: forcing a failure. [ 85.154835][ T5414] name failslab, interval 1, probability 0, space 0, times 0 [ 85.156962][ T5414] CPU: 0 PID: 5414 Comm: syz.0.217 Tainted: G W syzkaller #0 [ 85.158320][ T5414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.159855][ T5414] Call trace: [ 85.160294][ T5414] dump_backtrace+0x0/0x43c [ 85.161028][ T5414] show_stack+0x2c/0x3c [ 85.161605][ T5414] __dump_stack+0x30/0x40 [ 85.162204][ T5414] dump_stack_lvl+0xf8/0x160 [ 85.162865][ T5414] dump_stack+0x1c/0x5c [ 85.163454][ T5414] should_fail+0x3c0/0x51c [ 85.164164][ T5414] __should_failslab+0xbc/0x10c [ 85.164900][ T5414] should_failslab+0x10/0x28 [ 85.165593][ T5414] slab_pre_alloc_hook+0x64/0xec [ 85.166326][ T5414] kmem_cache_alloc+0x94/0x3e4 [ 85.167008][ T5414] __debug_object_init+0x75c/0x98c [ 85.167747][ T5414] debug_object_init+0x20/0x2c [ 85.168525][ T5414] __percpu_counter_init+0x10c/0x26c [ 85.169358][ T5414] blkg_rwstat_init+0xa0/0x2b8 [ 85.170120][ T5414] throtl_pd_alloc+0xf0/0x4ec [ 85.170842][ T5414] blkcg_activate_policy+0x204/0xa8c [ 85.171666][ T5414] blk_throtl_init+0x308/0x3ec [ 85.172349][ T5414] blkcg_init_queue+0x3cc/0x484 [ 85.173079][ T5414] blk_alloc_queue+0x3cc/0x4a0 [ 85.173774][ T5414] __blk_mq_alloc_disk+0x5c/0x154 [ 85.174489][ T5414] loop_add+0x240/0x6e0 [ 85.175126][ T5414] loop_control_ioctl+0x128/0x4d0 [ 85.175844][ T5414] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.176695][ T5414] invoke_syscall+0x98/0x2b8 [ 85.177466][ T5414] el0_svc_common+0x138/0x258 [ 85.178258][ T5414] do_el0_svc+0x58/0x14c [ 85.178931][ T5414] el0_svc+0x78/0x1e0 [ 85.179551][ T5414] el0t_64_sync_handler+0xcc/0xe4 [ 85.180332][ T5414] el0t_64_sync+0x1a0/0x1a4 [ 85.194399][ T5416] FAULT_INJECTION: forcing a failure. [ 85.194399][ T5416] name failslab, interval 1, probability 0, space 0, times 0 [ 85.196665][ T5416] CPU: 0 PID: 5416 Comm: syz.0.218 Tainted: G W syzkaller #0 [ 85.197992][ T5416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.199633][ T5416] Call trace: [ 85.200090][ T5416] dump_backtrace+0x0/0x43c [ 85.200740][ T5416] show_stack+0x2c/0x3c [ 85.201449][ T5416] __dump_stack+0x30/0x40 [ 85.202063][ T5416] dump_stack_lvl+0xf8/0x160 [ 85.202737][ T5416] dump_stack+0x1c/0x5c [ 85.203349][ T5416] should_fail+0x3c0/0x51c [ 85.203978][ T5416] __should_failslab+0xbc/0x10c [ 85.204714][ T5416] should_failslab+0x10/0x28 [ 85.205376][ T5416] slab_pre_alloc_hook+0x64/0xec [ 85.206119][ T5416] kmem_cache_alloc_trace+0x98/0x3fc [ 85.206841][ T5416] rand_initialize_disk+0x58/0xb8 [ 85.207624][ T5416] __alloc_disk_node+0x2a8/0x458 [ 85.208413][ T5416] __blk_mq_alloc_disk+0xe8/0x154 [ 85.209163][ T5416] loop_add+0x240/0x6e0 [ 85.209774][ T5416] loop_control_ioctl+0x128/0x4d0 [ 85.210477][ T5416] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.211158][ T5416] invoke_syscall+0x98/0x2b8 [ 85.211804][ T5416] el0_svc_common+0x138/0x258 [ 85.212470][ T5416] do_el0_svc+0x58/0x14c [ 85.213078][ T5416] el0_svc+0x78/0x1e0 [ 85.213650][ T5416] el0t_64_sync_handler+0xcc/0xe4 [ 85.214385][ T5416] el0t_64_sync+0x1a0/0x1a4 [ 85.232164][ T5418] FAULT_INJECTION: forcing a failure. [ 85.232164][ T5418] name failslab, interval 1, probability 0, space 0, times 0 [ 85.234128][ T5418] CPU: 1 PID: 5418 Comm: syz.0.219 Tainted: G W syzkaller #0 [ 85.235429][ T5418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.236897][ T5418] Call trace: [ 85.237345][ T5418] dump_backtrace+0x0/0x43c [ 85.237998][ T5418] show_stack+0x2c/0x3c [ 85.238591][ T5418] __dump_stack+0x30/0x40 [ 85.239176][ T5418] dump_stack_lvl+0xf8/0x160 [ 85.239807][ T5418] dump_stack+0x1c/0x5c [ 85.240428][ T5418] should_fail+0x3c0/0x51c [ 85.241124][ T5418] __should_failslab+0xbc/0x10c [ 85.241845][ T5418] should_failslab+0x10/0x28 [ 85.242539][ T5418] slab_pre_alloc_hook+0x64/0xec [ 85.243213][ T5418] kmem_cache_alloc+0x94/0x3e4 [ 85.243903][ T5418] security_inode_alloc+0x38/0x11c [ 85.244664][ T5418] inode_init_always+0x670/0xa84 [ 85.245398][ T5418] new_inode_pseudo+0x7c/0x1fc [ 85.246052][ T5418] new_inode+0x38/0x174 [ 85.246670][ T5418] bdev_alloc+0x30/0x1f8 [ 85.247313][ T5418] __alloc_disk_node+0xbc/0x458 [ 85.248086][ T5418] __blk_mq_alloc_disk+0xe8/0x154 [ 85.248787][ T5418] loop_add+0x240/0x6e0 [ 85.249362][ T5418] loop_control_ioctl+0x128/0x4d0 [ 85.250092][ T5418] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.250855][ T5418] invoke_syscall+0x98/0x2b8 [ 85.251571][ T5418] el0_svc_common+0x138/0x258 [ 85.252313][ T5418] do_el0_svc+0x58/0x14c [ 85.252943][ T5418] el0_svc+0x78/0x1e0 [ 85.253509][ T5418] el0t_64_sync_handler+0xcc/0xe4 [ 85.254169][ T5418] el0t_64_sync+0x1a0/0x1a4 [ 85.264265][ T5420] FAULT_INJECTION: forcing a failure. [ 85.264265][ T5420] name failslab, interval 1, probability 0, space 0, times 0 [ 85.266362][ T5420] CPU: 0 PID: 5420 Comm: syz.0.220 Tainted: G W syzkaller #0 [ 85.267705][ T5420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.269252][ T5420] Call trace: [ 85.269747][ T5420] dump_backtrace+0x0/0x43c [ 85.270388][ T5420] show_stack+0x2c/0x3c [ 85.270995][ T5420] __dump_stack+0x30/0x40 [ 85.271606][ T5420] dump_stack_lvl+0xf8/0x160 [ 85.272292][ T5420] dump_stack+0x1c/0x5c [ 85.272956][ T5420] should_fail+0x3c0/0x51c [ 85.273558][ T5420] __should_failslab+0xbc/0x10c [ 85.274275][ T5420] should_failslab+0x10/0x28 [ 85.274987][ T5420] slab_pre_alloc_hook+0x64/0xec [ 85.275697][ T5420] kmem_cache_alloc_trace+0x98/0x3fc [ 85.276449][ T5420] blk_iolatency_init+0x64/0x430 [ 85.277184][ T5420] blkcg_init_queue+0x3f0/0x484 [ 85.277842][ T5420] blk_alloc_queue+0x3cc/0x4a0 [ 85.278523][ T5420] __blk_mq_alloc_disk+0x5c/0x154 [ 85.279231][ T5420] loop_add+0x240/0x6e0 [ 85.279812][ T5420] loop_control_ioctl+0x128/0x4d0 [ 85.280604][ T5420] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.281400][ T5420] invoke_syscall+0x98/0x2b8 [ 85.282114][ T5420] el0_svc_common+0x138/0x258 [ 85.282823][ T5420] do_el0_svc+0x58/0x14c [ 85.283505][ T5420] el0_svc+0x78/0x1e0 [ 85.284162][ T5420] el0t_64_sync_handler+0xcc/0xe4 [ 85.284887][ T5420] el0t_64_sync+0x1a0/0x1a4 [ 85.293762][ T5422] FAULT_INJECTION: forcing a failure. [ 85.293762][ T5422] name failslab, interval 1, probability 0, space 0, times 0 [ 85.296859][ T5422] CPU: 1 PID: 5422 Comm: syz.0.221 Tainted: G W syzkaller #0 [ 85.298200][ T5422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.299688][ T5422] Call trace: [ 85.300207][ T5422] dump_backtrace+0x0/0x43c [ 85.300950][ T5422] show_stack+0x2c/0x3c [ 85.301631][ T5422] __dump_stack+0x30/0x40 [ 85.302278][ T5422] dump_stack_lvl+0xf8/0x160 [ 85.302999][ T5422] dump_stack+0x1c/0x5c [ 85.303626][ T5422] should_fail+0x3c0/0x51c [ 85.304253][ T5422] __should_failslab+0xbc/0x10c [ 85.304955][ T5422] should_failslab+0x10/0x28 [ 85.305716][ T5422] slab_pre_alloc_hook+0x64/0xec [ 85.306485][ T5422] kmem_cache_alloc_trace+0x98/0x3fc [ 85.307309][ T5422] blk_iolatency_init+0x64/0x430 [ 85.307971][ T5422] blkcg_init_queue+0x3f0/0x484 [ 85.308697][ T5422] blk_alloc_queue+0x3cc/0x4a0 [ 85.309376][ T5422] __blk_mq_alloc_disk+0x5c/0x154 [ 85.310123][ T5422] loop_add+0x240/0x6e0 [ 85.310691][ T5422] loop_control_ioctl+0x128/0x4d0 [ 85.311442][ T5422] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.312168][ T5422] invoke_syscall+0x98/0x2b8 [ 85.312870][ T5422] el0_svc_common+0x138/0x258 [ 85.313624][ T5422] do_el0_svc+0x58/0x14c [ 85.314237][ T5422] el0_svc+0x78/0x1e0 [ 85.314812][ T5422] el0t_64_sync_handler+0xcc/0xe4 [ 85.315501][ T5422] el0t_64_sync+0x1a0/0x1a4 [ 85.324814][ T5424] FAULT_INJECTION: forcing a failure. [ 85.324814][ T5424] name failslab, interval 1, probability 0, space 0, times 0 [ 85.327581][ T5424] CPU: 0 PID: 5424 Comm: syz.0.222 Tainted: G W syzkaller #0 [ 85.328876][ T5424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.330375][ T5424] Call trace: [ 85.330858][ T5424] dump_backtrace+0x0/0x43c [ 85.331556][ T5424] show_stack+0x2c/0x3c [ 85.332229][ T5424] __dump_stack+0x30/0x40 [ 85.332888][ T5424] dump_stack_lvl+0xf8/0x160 [ 85.333604][ T5424] dump_stack+0x1c/0x5c [ 85.334237][ T5424] should_fail+0x3c0/0x51c [ 85.334903][ T5424] __should_failslab+0xbc/0x10c [ 85.335666][ T5424] should_failslab+0x10/0x28 [ 85.336379][ T5424] slab_pre_alloc_hook+0x64/0xec [ 85.337156][ T5424] __kmalloc_track_caller+0x74/0x370 [ 85.337942][ T5424] kstrdup+0xe4/0x15c [ 85.338540][ T5424] kstrdup_const+0x54/0x6c [ 85.339268][ T5424] kvasprintf_const+0x118/0x2d0 [ 85.340057][ T5424] kobject_set_name_vargs+0xcc/0x1b4 [ 85.340849][ T5424] dev_set_name+0xd8/0x124 [ 85.341536][ T5424] device_add_disk+0x258/0xad0 [ 85.342220][ T5424] loop_add+0x510/0x6e0 [ 85.342827][ T5424] loop_control_ioctl+0x128/0x4d0 [ 85.343543][ T5424] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.344270][ T5424] invoke_syscall+0x98/0x2b8 [ 85.344905][ T5424] el0_svc_common+0x138/0x258 [ 85.345639][ T5424] do_el0_svc+0x58/0x14c [ 85.346275][ T5424] el0_svc+0x78/0x1e0 [ 85.346873][ T5424] el0t_64_sync_handler+0xcc/0xe4 [ 85.347613][ T5424] el0t_64_sync+0x1a0/0x1a4 [ 85.356354][ T5426] FAULT_INJECTION: forcing a failure. [ 85.356354][ T5426] name failslab, interval 1, probability 0, space 0, times 0 [ 85.358312][ T5426] CPU: 0 PID: 5426 Comm: syz.0.223 Tainted: G W syzkaller #0 [ 85.359752][ T5426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.361404][ T5426] Call trace: [ 85.361948][ T5426] dump_backtrace+0x0/0x43c [ 85.362640][ T5426] show_stack+0x2c/0x3c [ 85.363258][ T5426] __dump_stack+0x30/0x40 [ 85.363926][ T5426] dump_stack_lvl+0xf8/0x160 [ 85.364592][ T5426] dump_stack+0x1c/0x5c [ 85.365216][ T5426] should_fail+0x3c0/0x51c [ 85.365827][ T5426] __should_failslab+0xbc/0x10c [ 85.366557][ T5426] should_failslab+0x10/0x28 [ 85.367285][ T5426] slab_pre_alloc_hook+0x64/0xec [ 85.368028][ T5426] kmem_cache_alloc+0x94/0x3e4 [ 85.368753][ T5426] security_inode_alloc+0x38/0x11c [ 85.369519][ T5426] inode_init_always+0x670/0xa84 [ 85.370261][ T5426] new_inode_pseudo+0x7c/0x1fc [ 85.370984][ T5426] new_inode+0x38/0x174 [ 85.371610][ T5426] bdev_alloc+0x30/0x1f8 [ 85.372263][ T5426] __alloc_disk_node+0xbc/0x458 [ 85.372985][ T5426] __blk_mq_alloc_disk+0xe8/0x154 [ 85.373765][ T5426] loop_add+0x240/0x6e0 [ 85.374419][ T5426] loop_control_ioctl+0x128/0x4d0 [ 85.375127][ T5426] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.375846][ T5426] invoke_syscall+0x98/0x2b8 [ 85.376559][ T5426] el0_svc_common+0x138/0x258 [ 85.377179][ T5426] do_el0_svc+0x58/0x14c [ 85.377760][ T5426] el0_svc+0x78/0x1e0 [ 85.378391][ T5426] el0t_64_sync_handler+0xcc/0xe4 [ 85.379100][ T5426] el0t_64_sync+0x1a0/0x1a4 [ 85.389843][ T5428] FAULT_INJECTION: forcing a failure. [ 85.389843][ T5428] name failslab, interval 1, probability 0, space 0, times 0 [ 85.391759][ T5428] CPU: 1 PID: 5428 Comm: syz.0.224 Tainted: G W syzkaller #0 [ 85.393019][ T5428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.394504][ T5428] Call trace: [ 85.394992][ T5428] dump_backtrace+0x0/0x43c [ 85.395614][ T5428] show_stack+0x2c/0x3c [ 85.396168][ T5428] __dump_stack+0x30/0x40 [ 85.396790][ T5428] dump_stack_lvl+0xf8/0x160 [ 85.397461][ T5428] dump_stack+0x1c/0x5c [ 85.398039][ T5428] should_fail+0x3c0/0x51c [ 85.398688][ T5428] __should_failslab+0xbc/0x10c [ 85.399391][ T5428] should_failslab+0x10/0x28 [ 85.400069][ T5428] slab_pre_alloc_hook+0x64/0xec [ 85.400786][ T5428] kmem_cache_alloc+0x94/0x3e4 [ 85.401566][ T5428] __debug_object_init+0x774/0x98c [ 85.402361][ T5428] debug_object_init+0x20/0x2c [ 85.403072][ T5428] __percpu_counter_init+0x10c/0x26c [ 85.403844][ T5428] blkg_rwstat_init+0xa0/0x2b8 [ 85.404575][ T5428] throtl_pd_alloc+0xf0/0x4ec [ 85.405344][ T5428] blkcg_activate_policy+0x204/0xa8c [ 85.406126][ T5428] blk_throtl_init+0x308/0x3ec [ 85.406826][ T5428] blkcg_init_queue+0x3cc/0x484 [ 85.407503][ T5428] blk_alloc_queue+0x3cc/0x4a0 [ 85.408187][ T5428] __blk_mq_alloc_disk+0x5c/0x154 [ 85.408863][ T5428] loop_add+0x240/0x6e0 [ 85.409465][ T5428] loop_control_ioctl+0x128/0x4d0 [ 85.410125][ T5428] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.410819][ T5428] invoke_syscall+0x98/0x2b8 [ 85.411455][ T5428] el0_svc_common+0x138/0x258 [ 85.412152][ T5428] do_el0_svc+0x58/0x14c [ 85.412760][ T5428] el0_svc+0x78/0x1e0 [ 85.413413][ T5428] el0t_64_sync_handler+0xcc/0xe4 [ 85.414184][ T5428] el0t_64_sync+0x1a0/0x1a4 [ 85.428521][ T5430] FAULT_INJECTION: forcing a failure. [ 85.428521][ T5430] name failslab, interval 1, probability 0, space 0, times 0 [ 85.430420][ T5430] CPU: 0 PID: 5430 Comm: syz.0.225 Tainted: G W syzkaller #0 [ 85.431649][ T5430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.433080][ T5430] Call trace: [ 85.433604][ T5430] dump_backtrace+0x0/0x43c [ 85.434289][ T5430] show_stack+0x2c/0x3c [ 85.434903][ T5430] __dump_stack+0x30/0x40 [ 85.435544][ T5430] dump_stack_lvl+0xf8/0x160 [ 85.436172][ T5430] dump_stack+0x1c/0x5c [ 85.436802][ T5430] should_fail+0x3c0/0x51c [ 85.437429][ T5430] __should_failslab+0xbc/0x10c [ 85.438188][ T5430] should_failslab+0x10/0x28 [ 85.438894][ T5430] slab_pre_alloc_hook+0x64/0xec [ 85.439667][ T5430] __kmalloc_track_caller+0x74/0x370 [ 85.440422][ T5430] kstrdup+0xe4/0x15c [ 85.440975][ T5430] kstrdup_const+0x54/0x6c [ 85.441549][ T5430] kvasprintf_const+0x118/0x2d0 [ 85.442247][ T5430] kobject_set_name_vargs+0xcc/0x1b4 [ 85.442985][ T5430] dev_set_name+0xd8/0x124 [ 85.443640][ T5430] device_add_disk+0x258/0xad0 [ 85.444329][ T5430] loop_add+0x510/0x6e0 [ 85.444912][ T5430] loop_control_ioctl+0x128/0x4d0 [ 85.445698][ T5430] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.446394][ T5430] invoke_syscall+0x98/0x2b8 [ 85.447021][ T5430] el0_svc_common+0x138/0x258 [ 85.447664][ T5430] do_el0_svc+0x58/0x14c [ 85.448276][ T5430] el0_svc+0x78/0x1e0 [ 85.448810][ T5430] el0t_64_sync_handler+0xcc/0xe4 [ 85.449501][ T5430] el0t_64_sync+0x1a0/0x1a4 [ 85.457969][ T5432] FAULT_INJECTION: forcing a failure. [ 85.457969][ T5432] name failslab, interval 1, probability 0, space 0, times 0 [ 85.459902][ T5432] CPU: 1 PID: 5432 Comm: syz.0.226 Tainted: G W syzkaller #0 [ 85.461169][ T5432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.462595][ T5432] Call trace: [ 85.463079][ T5432] dump_backtrace+0x0/0x43c [ 85.463689][ T5432] show_stack+0x2c/0x3c [ 85.464263][ T5432] __dump_stack+0x30/0x40 [ 85.464860][ T5432] dump_stack_lvl+0xf8/0x160 [ 85.465499][ T5432] dump_stack+0x1c/0x5c [ 85.466136][ T5432] should_fail+0x3c0/0x51c [ 85.466787][ T5432] __should_failslab+0xbc/0x10c [ 85.467466][ T5432] should_failslab+0x10/0x28 [ 85.468167][ T5432] slab_pre_alloc_hook+0x64/0xec [ 85.468885][ T5432] kmem_cache_alloc_node_trace+0x9c/0x438 [ 85.469715][ T5432] blk_throtl_init+0x8c/0x3ec [ 85.470415][ T5432] blkcg_init_queue+0x3cc/0x484 [ 85.471151][ T5432] blk_alloc_queue+0x3cc/0x4a0 [ 85.471872][ T5432] __blk_mq_alloc_disk+0x5c/0x154 [ 85.472651][ T5432] loop_add+0x240/0x6e0 [ 85.473240][ T5432] loop_control_ioctl+0x128/0x4d0 [ 85.473947][ T5432] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.474640][ T5432] invoke_syscall+0x98/0x2b8 [ 85.475260][ T5432] el0_svc_common+0x138/0x258 [ 85.475917][ T5432] do_el0_svc+0x58/0x14c [ 85.476565][ T5432] el0_svc+0x78/0x1e0 [ 85.477125][ T5432] el0t_64_sync_handler+0xcc/0xe4 [ 85.477877][ T5432] el0t_64_sync+0x1a0/0x1a4 [ 85.488936][ T5434] FAULT_INJECTION: forcing a failure. [ 85.488936][ T5434] name failslab, interval 1, probability 0, space 0, times 0 [ 85.490749][ T5434] CPU: 0 PID: 5434 Comm: syz.0.227 Tainted: G W syzkaller #0 [ 85.491883][ T5434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.493229][ T5434] Call trace: [ 85.493678][ T5434] dump_backtrace+0x0/0x43c [ 85.494303][ T5434] show_stack+0x2c/0x3c [ 85.494841][ T5434] __dump_stack+0x30/0x40 [ 85.495460][ T5434] dump_stack_lvl+0xf8/0x160 [ 85.496125][ T5434] dump_stack+0x1c/0x5c [ 85.496691][ T5434] should_fail+0x3c0/0x51c [ 85.497317][ T5434] __should_failslab+0xbc/0x10c [ 85.498043][ T5434] should_failslab+0x10/0x28 [ 85.498729][ T5434] slab_pre_alloc_hook+0x64/0xec [ 85.499499][ T5434] __kmalloc_track_caller+0x74/0x370 [ 85.500321][ T5434] kstrdup+0xe4/0x15c [ 85.500933][ T5434] kstrdup_const+0x54/0x6c [ 85.501566][ T5434] kvasprintf_const+0x118/0x2d0 [ 85.502251][ T5434] kobject_set_name_vargs+0xcc/0x1b4 [ 85.502998][ T5434] dev_set_name+0xd8/0x124 [ 85.503651][ T5434] device_add_disk+0x258/0xad0 [ 85.504308][ T5434] loop_add+0x510/0x6e0 [ 85.504928][ T5434] loop_control_ioctl+0x128/0x4d0 [ 85.505688][ T5434] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.506459][ T5434] invoke_syscall+0x98/0x2b8 [ 85.507218][ T5434] el0_svc_common+0x138/0x258 [ 85.507951][ T5434] do_el0_svc+0x58/0x14c [ 85.508597][ T5434] el0_svc+0x78/0x1e0 [ 85.509176][ T5434] el0t_64_sync_handler+0xcc/0xe4 [ 85.509922][ T5434] el0t_64_sync+0x1a0/0x1a4 [ 85.519871][ T5436] FAULT_INJECTION: forcing a failure. [ 85.519871][ T5436] name failslab, interval 1, probability 0, space 0, times 0 [ 85.521874][ T5436] CPU: 1 PID: 5436 Comm: syz.0.228 Tainted: G W syzkaller #0 [ 85.523213][ T5436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.524648][ T5436] Call trace: [ 85.525177][ T5436] dump_backtrace+0x0/0x43c [ 85.525823][ T5436] show_stack+0x2c/0x3c [ 85.526440][ T5436] __dump_stack+0x30/0x40 [ 85.527057][ T5436] dump_stack_lvl+0xf8/0x160 [ 85.527738][ T5436] dump_stack+0x1c/0x5c [ 85.528370][ T5436] should_fail+0x3c0/0x51c [ 85.529020][ T5436] __should_failslab+0xbc/0x10c [ 85.529647][ T5436] should_failslab+0x10/0x28 [ 85.530257][ T5436] slab_pre_alloc_hook+0x64/0xec [ 85.530974][ T5436] kmem_cache_alloc+0x94/0x3e4 [ 85.531682][ T5436] __debug_object_init+0x670/0x98c [ 85.532415][ T5436] debug_object_init+0x20/0x2c [ 85.533080][ T5436] __percpu_counter_init+0x10c/0x26c [ 85.533894][ T5436] fprop_local_init_percpu+0x34/0xb8 [ 85.534673][ T5436] wb_init+0x4d4/0x6ec [ 85.535202][ T5436] bdi_init+0x1b4/0x2f4 [ 85.535872][ T5436] bdi_alloc+0x6c/0x144 [ 85.536535][ T5436] __alloc_disk_node+0x8c/0x458 [ 85.537328][ T5436] __blk_mq_alloc_disk+0xe8/0x154 [ 85.538051][ T5436] loop_add+0x240/0x6e0 [ 85.538672][ T5436] loop_control_ioctl+0x128/0x4d0 [ 85.539362][ T5436] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.540054][ T5436] invoke_syscall+0x98/0x2b8 [ 85.540637][ T5436] el0_svc_common+0x138/0x258 [ 85.541346][ T5436] do_el0_svc+0x58/0x14c [ 85.542011][ T5436] el0_svc+0x78/0x1e0 [ 85.542536][ T5436] el0t_64_sync_handler+0xcc/0xe4 [ 85.543222][ T5436] el0t_64_sync+0x1a0/0x1a4 [ 85.555754][ T5438] FAULT_INJECTION: forcing a failure. [ 85.555754][ T5438] name failslab, interval 1, probability 0, space 0, times 0 [ 85.557684][ T5438] CPU: 1 PID: 5438 Comm: syz.0.229 Tainted: G W syzkaller #0 [ 85.558912][ T5438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.560266][ T5438] Call trace: [ 85.560692][ T5438] dump_backtrace+0x0/0x43c [ 85.561388][ T5438] show_stack+0x2c/0x3c [ 85.561971][ T5438] __dump_stack+0x30/0x40 [ 85.562592][ T5438] dump_stack_lvl+0xf8/0x160 [ 85.563175][ T5438] dump_stack+0x1c/0x5c [ 85.563759][ T5438] should_fail+0x3c0/0x51c [ 85.564439][ T5438] __should_failslab+0xbc/0x10c [ 85.565129][ T5438] should_failslab+0x10/0x28 [ 85.565843][ T5438] slab_pre_alloc_hook+0x64/0xec [ 85.566567][ T5438] kmem_cache_alloc_trace+0x98/0x3fc [ 85.567344][ T5438] blk_iolatency_init+0x64/0x430 [ 85.568020][ T5438] blkcg_init_queue+0x3f0/0x484 [ 85.568731][ T5438] blk_alloc_queue+0x3cc/0x4a0 [ 85.569410][ T5438] __blk_mq_alloc_disk+0x5c/0x154 [ 85.570120][ T5438] loop_add+0x240/0x6e0 [ 85.570701][ T5438] loop_control_ioctl+0x128/0x4d0 [ 85.571441][ T5438] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.572134][ T5438] invoke_syscall+0x98/0x2b8 [ 85.572827][ T5438] el0_svc_common+0x138/0x258 [ 85.573472][ T5438] do_el0_svc+0x58/0x14c [ 85.574033][ T5438] el0_svc+0x78/0x1e0 [ 85.574598][ T5438] el0t_64_sync_handler+0xcc/0xe4 [ 85.575350][ T5438] el0t_64_sync+0x1a0/0x1a4 [ 85.585439][ T5440] FAULT_INJECTION: forcing a failure. [ 85.585439][ T5440] name failslab, interval 1, probability 0, space 0, times 0 [ 85.587438][ T5440] CPU: 1 PID: 5440 Comm: syz.0.230 Tainted: G W syzkaller #0 [ 85.588768][ T5440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.590227][ T5440] Call trace: [ 85.590697][ T5440] dump_backtrace+0x0/0x43c [ 85.591334][ T5440] show_stack+0x2c/0x3c [ 85.591910][ T5440] __dump_stack+0x30/0x40 [ 85.592537][ T5440] dump_stack_lvl+0xf8/0x160 [ 85.593225][ T5440] dump_stack+0x1c/0x5c [ 85.593776][ T5440] should_fail+0x3c0/0x51c [ 85.594371][ T5440] __should_failslab+0xbc/0x10c [ 85.595079][ T5440] should_failslab+0x10/0x28 [ 85.595700][ T5440] slab_pre_alloc_hook+0x64/0xec [ 85.596423][ T5440] __kmalloc_track_caller+0x74/0x370 [ 85.597171][ T5440] kstrdup+0xe4/0x15c [ 85.597709][ T5440] kstrdup_const+0x54/0x6c [ 85.598348][ T5440] kvasprintf_const+0x118/0x2d0 [ 85.599099][ T5440] kobject_set_name_vargs+0xcc/0x1b4 [ 85.599842][ T5440] dev_set_name+0xd8/0x124 [ 85.600448][ T5440] device_add_disk+0x258/0xad0 [ 85.601122][ T5440] loop_add+0x510/0x6e0 [ 85.601707][ T5440] loop_control_ioctl+0x128/0x4d0 [ 85.602421][ T5440] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.603106][ T5440] invoke_syscall+0x98/0x2b8 [ 85.603756][ T5440] el0_svc_common+0x138/0x258 [ 85.604398][ T5440] do_el0_svc+0x58/0x14c [ 85.605000][ T5440] el0_svc+0x78/0x1e0 [ 85.605556][ T5440] el0t_64_sync_handler+0xcc/0xe4 [ 85.606252][ T5440] el0t_64_sync+0x1a0/0x1a4 [ 85.615283][ T5442] FAULT_INJECTION: forcing a failure. [ 85.615283][ T5442] name failslab, interval 1, probability 0, space 0, times 0 [ 85.617613][ T5442] CPU: 0 PID: 5442 Comm: syz.0.231 Tainted: G W syzkaller #0 [ 85.618923][ T5442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.620500][ T5442] Call trace: [ 85.620980][ T5442] dump_backtrace+0x0/0x43c [ 85.621632][ T5442] show_stack+0x2c/0x3c [ 85.622257][ T5442] __dump_stack+0x30/0x40 [ 85.622866][ T5442] dump_stack_lvl+0xf8/0x160 [ 85.623570][ T5442] dump_stack+0x1c/0x5c [ 85.624248][ T5442] should_fail+0x3c0/0x51c [ 85.624998][ T5442] __should_failslab+0xbc/0x10c [ 85.625778][ T5442] should_failslab+0x10/0x28 [ 85.626526][ T5442] slab_pre_alloc_hook+0x64/0xec [ 85.627382][ T5442] kmem_cache_alloc+0x94/0x3e4 [ 85.628136][ T5442] __debug_object_init+0x75c/0x98c [ 85.628924][ T5442] debug_object_init+0x20/0x2c [ 85.629641][ T5442] __init_work+0x58/0x68 [ 85.630319][ T5442] blk_iolatency_init+0x2dc/0x430 [ 85.631149][ T5442] blkcg_init_queue+0x3f0/0x484 [ 85.631950][ T5442] blk_alloc_queue+0x3cc/0x4a0 [ 85.632702][ T5442] __blk_mq_alloc_disk+0x5c/0x154 [ 85.633507][ T5442] loop_add+0x240/0x6e0 [ 85.634121][ T5442] loop_control_ioctl+0x128/0x4d0 [ 85.634866][ T5442] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.635626][ T5442] invoke_syscall+0x98/0x2b8 [ 85.636337][ T5442] el0_svc_common+0x138/0x258 [ 85.637056][ T5442] do_el0_svc+0x58/0x14c [ 85.637677][ T5442] el0_svc+0x78/0x1e0 [ 85.638246][ T5442] el0t_64_sync_handler+0xcc/0xe4 [ 85.639033][ T5442] el0t_64_sync+0x1a0/0x1a4 [ 85.652654][ T5444] FAULT_INJECTION: forcing a failure. [ 85.652654][ T5444] name failslab, interval 1, probability 0, space 0, times 0 [ 85.654413][ T5444] CPU: 1 PID: 5444 Comm: syz.0.232 Tainted: G W syzkaller #0 [ 85.655714][ T5444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.657307][ T5444] Call trace: [ 85.657833][ T5444] dump_backtrace+0x0/0x43c [ 85.658533][ T5444] show_stack+0x2c/0x3c [ 85.659157][ T5444] __dump_stack+0x30/0x40 [ 85.659787][ T5444] dump_stack_lvl+0xf8/0x160 [ 85.660448][ T5444] dump_stack+0x1c/0x5c [ 85.661110][ T5444] should_fail+0x3c0/0x51c [ 85.661771][ T5444] __should_failslab+0xbc/0x10c [ 85.662500][ T5444] should_failslab+0x10/0x28 [ 85.663141][ T5444] slab_pre_alloc_hook+0x64/0xec [ 85.663943][ T5444] kmem_cache_alloc+0x94/0x3e4 [ 85.664704][ T5444] __debug_object_init+0x670/0x98c [ 85.665517][ T5444] debug_object_init+0x20/0x2c [ 85.666210][ T5444] __percpu_counter_init+0x10c/0x26c [ 85.667018][ T5444] wb_init+0x5c0/0x6ec [ 85.667627][ T5444] bdi_init+0x1b4/0x2f4 [ 85.668233][ T5444] bdi_alloc+0x6c/0x144 [ 85.668899][ T5444] __alloc_disk_node+0x8c/0x458 [ 85.669576][ T5444] __blk_mq_alloc_disk+0xe8/0x154 [ 85.670290][ T5444] loop_add+0x240/0x6e0 [ 85.670861][ T5444] loop_control_ioctl+0x128/0x4d0 [ 85.671629][ T5444] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.672332][ T5444] invoke_syscall+0x98/0x2b8 [ 85.672980][ T5444] el0_svc_common+0x138/0x258 [ 85.673691][ T5444] do_el0_svc+0x58/0x14c [ 85.674283][ T5444] el0_svc+0x78/0x1e0 [ 85.674884][ T5444] el0t_64_sync_handler+0xcc/0xe4 [ 85.675546][ T5444] el0t_64_sync+0x1a0/0x1a4 [ 85.689482][ T5446] FAULT_INJECTION: forcing a failure. [ 85.689482][ T5446] name failslab, interval 1, probability 0, space 0, times 0 [ 85.691494][ T5446] CPU: 1 PID: 5446 Comm: syz.0.233 Tainted: G W syzkaller #0 [ 85.692844][ T5446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.694274][ T5446] Call trace: [ 85.694738][ T5446] dump_backtrace+0x0/0x43c [ 85.695415][ T5446] show_stack+0x2c/0x3c [ 85.696095][ T5446] __dump_stack+0x30/0x40 [ 85.696733][ T5446] dump_stack_lvl+0xf8/0x160 [ 85.697411][ T5446] dump_stack+0x1c/0x5c [ 85.698067][ T5446] should_fail+0x3c0/0x51c [ 85.698716][ T5446] __should_failslab+0xbc/0x10c [ 85.699473][ T5446] should_failslab+0x10/0x28 [ 85.700166][ T5446] slab_pre_alloc_hook+0x64/0xec [ 85.700899][ T5446] kmem_cache_alloc+0x94/0x3e4 [ 85.701618][ T5446] __debug_object_init+0x648/0x98c [ 85.702351][ T5446] debug_object_init+0x20/0x2c [ 85.703024][ T5446] __percpu_counter_init+0x10c/0x26c [ 85.703790][ T5446] wb_init+0x520/0x6ec [ 85.704370][ T5446] bdi_init+0x1b4/0x2f4 [ 85.705022][ T5446] bdi_alloc+0x6c/0x144 [ 85.705600][ T5446] __alloc_disk_node+0x8c/0x458 [ 85.706362][ T5446] __blk_mq_alloc_disk+0xe8/0x154 [ 85.707087][ T5446] loop_add+0x240/0x6e0 [ 85.707708][ T5446] loop_control_ioctl+0x128/0x4d0 [ 85.708436][ T5446] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.709199][ T5446] invoke_syscall+0x98/0x2b8 [ 85.709899][ T5446] el0_svc_common+0x138/0x258 [ 85.710636][ T5446] do_el0_svc+0x58/0x14c [ 85.711271][ T5446] el0_svc+0x78/0x1e0 [ 85.711905][ T5446] el0t_64_sync_handler+0xcc/0xe4 [ 85.712628][ T5446] el0t_64_sync+0x1a0/0x1a4 [ 85.731126][ T5448] FAULT_INJECTION: forcing a failure. [ 85.731126][ T5448] name failslab, interval 1, probability 0, space 0, times 0 [ 85.733055][ T5448] CPU: 1 PID: 5448 Comm: syz.0.234 Tainted: G W syzkaller #0 [ 85.734402][ T5448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.735862][ T5448] Call trace: [ 85.736307][ T5448] dump_backtrace+0x0/0x43c [ 85.736926][ T5448] show_stack+0x2c/0x3c [ 85.737481][ T5448] __dump_stack+0x30/0x40 [ 85.738106][ T5448] dump_stack_lvl+0xf8/0x160 [ 85.738722][ T5448] dump_stack+0x1c/0x5c [ 85.739269][ T5448] should_fail+0x3c0/0x51c [ 85.739905][ T5448] __should_failslab+0xbc/0x10c [ 85.740674][ T5448] should_failslab+0x10/0x28 [ 85.741333][ T5448] slab_pre_alloc_hook+0x64/0xec [ 85.742042][ T5448] __kmalloc_track_caller+0x74/0x370 [ 85.742790][ T5448] kstrdup+0xe4/0x15c [ 85.743358][ T5448] kstrdup_const+0x54/0x6c [ 85.744016][ T5448] kvasprintf_const+0x118/0x2d0 [ 85.744737][ T5448] kobject_set_name_vargs+0xcc/0x1b4 [ 85.745512][ T5448] dev_set_name+0xd8/0x124 [ 85.746114][ T5448] device_add_disk+0x258/0xad0 [ 85.746772][ T5448] loop_add+0x510/0x6e0 [ 85.747348][ T5448] loop_control_ioctl+0x128/0x4d0 [ 85.748073][ T5448] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.748779][ T5448] invoke_syscall+0x98/0x2b8 [ 85.749370][ T5448] el0_svc_common+0x138/0x258 [ 85.750056][ T5448] do_el0_svc+0x58/0x14c [ 85.750645][ T5448] el0_svc+0x78/0x1e0 [ 85.751171][ T5448] el0t_64_sync_handler+0xcc/0xe4 [ 85.751913][ T5448] el0t_64_sync+0x1a0/0x1a4 [ 85.762243][ T5450] FAULT_INJECTION: forcing a failure. [ 85.762243][ T5450] name failslab, interval 1, probability 0, space 0, times 0 [ 85.764231][ T5450] CPU: 1 PID: 5450 Comm: syz.0.235 Tainted: G W syzkaller #0 [ 85.765509][ T5450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.767025][ T5450] Call trace: [ 85.767504][ T5450] dump_backtrace+0x0/0x43c [ 85.768168][ T5450] show_stack+0x2c/0x3c [ 85.768824][ T5450] __dump_stack+0x30/0x40 [ 85.769460][ T5450] dump_stack_lvl+0xf8/0x160 [ 85.770115][ T5450] dump_stack+0x1c/0x5c [ 85.770730][ T5450] should_fail+0x3c0/0x51c [ 85.771377][ T5450] __should_failslab+0xbc/0x10c [ 85.772109][ T5450] should_failslab+0x10/0x28 [ 85.772845][ T5450] slab_pre_alloc_hook+0x64/0xec [ 85.773544][ T5450] kmem_cache_alloc+0x94/0x3e4 [ 85.774162][ T5450] __debug_object_init+0x774/0x98c [ 85.774869][ T5450] debug_object_init+0x20/0x2c [ 85.775576][ T5450] __percpu_counter_init+0x10c/0x26c [ 85.776363][ T5450] blkg_rwstat_init+0x1c4/0x2b8 [ 85.777066][ T5450] throtl_pd_alloc+0xc0/0x4ec [ 85.777719][ T5450] blkcg_activate_policy+0x204/0xa8c [ 85.778512][ T5450] blk_throtl_init+0x308/0x3ec [ 85.779233][ T5450] blkcg_init_queue+0x3cc/0x484 [ 85.779910][ T5450] blk_alloc_queue+0x3cc/0x4a0 [ 85.780581][ T5450] __blk_mq_alloc_disk+0x5c/0x154 [ 85.781284][ T5450] loop_add+0x240/0x6e0 [ 85.781893][ T5450] loop_control_ioctl+0x128/0x4d0 [ 85.782664][ T5450] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.783376][ T5450] invoke_syscall+0x98/0x2b8 [ 85.784090][ T5450] el0_svc_common+0x138/0x258 [ 85.784722][ T5450] do_el0_svc+0x58/0x14c [ 85.785348][ T5450] el0_svc+0x78/0x1e0 [ 85.785937][ T5450] el0t_64_sync_handler+0xcc/0xe4 [ 85.786634][ T5450] el0t_64_sync+0x1a0/0x1a4 [ 85.801803][ T5452] FAULT_INJECTION: forcing a failure. [ 85.801803][ T5452] name failslab, interval 1, probability 0, space 0, times 0 [ 85.803783][ T5452] CPU: 1 PID: 5452 Comm: syz.0.236 Tainted: G W syzkaller #0 [ 85.805184][ T5452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.806602][ T5452] Call trace: [ 85.807039][ T5452] dump_backtrace+0x0/0x43c [ 85.807636][ T5452] show_stack+0x2c/0x3c [ 85.808276][ T5452] __dump_stack+0x30/0x40 [ 85.808914][ T5452] dump_stack_lvl+0xf8/0x160 [ 85.809580][ T5452] dump_stack+0x1c/0x5c [ 85.810189][ T5452] should_fail+0x3c0/0x51c [ 85.810828][ T5452] __should_failslab+0xbc/0x10c [ 85.811563][ T5452] should_failslab+0x10/0x28 [ 85.812260][ T5452] slab_pre_alloc_hook+0x64/0xec [ 85.812959][ T5452] __kmalloc_track_caller+0x74/0x370 [ 85.813694][ T5452] kstrdup+0xe4/0x15c [ 85.814325][ T5452] kstrdup_const+0x54/0x6c [ 85.814976][ T5452] kvasprintf_const+0x118/0x2d0 [ 85.815675][ T5452] kobject_set_name_vargs+0xcc/0x1b4 [ 85.816464][ T5452] dev_set_name+0xd8/0x124 [ 85.817092][ T5452] device_add_disk+0x258/0xad0 [ 85.817719][ T5452] loop_add+0x510/0x6e0 [ 85.818293][ T5452] loop_control_ioctl+0x128/0x4d0 [ 85.819013][ T5452] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.819732][ T5452] invoke_syscall+0x98/0x2b8 [ 85.820400][ T5452] el0_svc_common+0x138/0x258 [ 85.821060][ T5452] do_el0_svc+0x58/0x14c [ 85.821623][ T5452] el0_svc+0x78/0x1e0 [ 85.822168][ T5452] el0t_64_sync_handler+0xcc/0xe4 [ 85.822999][ T5452] el0t_64_sync+0x1a0/0x1a4 [ 85.832245][ T5454] FAULT_INJECTION: forcing a failure. [ 85.832245][ T5454] name failslab, interval 1, probability 0, space 0, times 0 [ 85.834239][ T5454] CPU: 0 PID: 5454 Comm: syz.0.237 Tainted: G W syzkaller #0 [ 85.835633][ T5454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.837241][ T5454] Call trace: [ 85.837745][ T5454] dump_backtrace+0x0/0x43c [ 85.838404][ T5454] show_stack+0x2c/0x3c [ 85.839074][ T5454] __dump_stack+0x30/0x40 [ 85.839731][ T5454] dump_stack_lvl+0xf8/0x160 [ 85.840429][ T5454] dump_stack+0x1c/0x5c [ 85.841037][ T5454] should_fail+0x3c0/0x51c [ 85.841709][ T5454] __should_failslab+0xbc/0x10c [ 85.842444][ T5454] should_failslab+0x10/0x28 [ 85.843133][ T5454] slab_pre_alloc_hook+0x64/0xec [ 85.843847][ T5454] kmem_cache_alloc+0x94/0x3e4 [ 85.844557][ T5454] __debug_object_init+0x72c/0x98c [ 85.845294][ T5454] debug_object_init+0x20/0x2c [ 85.845989][ T5454] __init_work+0x58/0x68 [ 85.846668][ T5454] blk_iolatency_init+0x2dc/0x430 [ 85.847379][ T5454] blkcg_init_queue+0x3f0/0x484 [ 85.848110][ T5454] blk_alloc_queue+0x3cc/0x4a0 [ 85.848828][ T5454] __blk_mq_alloc_disk+0x5c/0x154 [ 85.849645][ T5454] loop_add+0x240/0x6e0 [ 85.850262][ T5454] loop_control_ioctl+0x128/0x4d0 [ 85.850967][ T5454] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.851684][ T5454] invoke_syscall+0x98/0x2b8 [ 85.852360][ T5454] el0_svc_common+0x138/0x258 [ 85.853052][ T5454] do_el0_svc+0x58/0x14c [ 85.853727][ T5454] el0_svc+0x78/0x1e0 [ 85.854305][ T5454] el0t_64_sync_handler+0xcc/0xe4 [ 85.855025][ T5454] el0t_64_sync+0x1a0/0x1a4 [ 85.870481][ T5456] FAULT_INJECTION: forcing a failure. [ 85.870481][ T5456] name failslab, interval 1, probability 0, space 0, times 0 [ 85.872532][ T5456] CPU: 0 PID: 5456 Comm: syz.0.238 Tainted: G W syzkaller #0 [ 85.873840][ T5456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.875386][ T5456] Call trace: [ 85.875877][ T5456] dump_backtrace+0x0/0x43c [ 85.876543][ T5456] show_stack+0x2c/0x3c [ 85.877197][ T5456] __dump_stack+0x30/0x40 [ 85.877842][ T5456] dump_stack_lvl+0xf8/0x160 [ 85.878508][ T5456] dump_stack+0x1c/0x5c [ 85.879127][ T5456] should_fail+0x3c0/0x51c [ 85.879768][ T5456] __should_failslab+0xbc/0x10c [ 85.880505][ T5456] should_failslab+0x10/0x28 [ 85.881180][ T5456] slab_pre_alloc_hook+0x64/0xec [ 85.881887][ T5456] kmem_cache_alloc_trace+0x98/0x3fc [ 85.882651][ T5456] blk_iolatency_init+0x64/0x430 [ 85.883314][ T5456] blkcg_init_queue+0x3f0/0x484 [ 85.884030][ T5456] blk_alloc_queue+0x3cc/0x4a0 [ 85.884764][ T5456] __blk_mq_alloc_disk+0x5c/0x154 [ 85.885527][ T5456] loop_add+0x240/0x6e0 [ 85.886122][ T5456] loop_control_ioctl+0x128/0x4d0 [ 85.886874][ T5456] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.887584][ T5456] invoke_syscall+0x98/0x2b8 [ 85.888237][ T5456] el0_svc_common+0x138/0x258 [ 85.888934][ T5456] do_el0_svc+0x58/0x14c [ 85.889586][ T5456] el0_svc+0x78/0x1e0 [ 85.890152][ T5456] el0t_64_sync_handler+0xcc/0xe4 [ 85.890836][ T5456] el0t_64_sync+0x1a0/0x1a4 [ 85.899710][ T5458] FAULT_INJECTION: forcing a failure. [ 85.899710][ T5458] name failslab, interval 1, probability 0, space 0, times 0 [ 85.901590][ T5458] CPU: 1 PID: 5458 Comm: syz.0.239 Tainted: G W syzkaller #0 [ 85.902832][ T5458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.904380][ T5458] Call trace: [ 85.904870][ T5458] dump_backtrace+0x0/0x43c [ 85.905500][ T5458] show_stack+0x2c/0x3c [ 85.906115][ T5458] __dump_stack+0x30/0x40 [ 85.906769][ T5458] dump_stack_lvl+0xf8/0x160 [ 85.907440][ T5458] dump_stack+0x1c/0x5c [ 85.908052][ T5458] should_fail+0x3c0/0x51c [ 85.908659][ T5458] __should_failslab+0xbc/0x10c [ 85.909370][ T5458] should_failslab+0x10/0x28 [ 85.910027][ T5458] slab_pre_alloc_hook+0x64/0xec [ 85.910716][ T5458] kmem_cache_alloc_trace+0x98/0x3fc [ 85.911466][ T5458] blk_iolatency_init+0x64/0x430 [ 85.912138][ T5458] blkcg_init_queue+0x3f0/0x484 [ 85.912867][ T5458] blk_alloc_queue+0x3cc/0x4a0 [ 85.913537][ T5458] __blk_mq_alloc_disk+0x5c/0x154 [ 85.914250][ T5458] loop_add+0x240/0x6e0 [ 85.914802][ T5458] loop_control_ioctl+0x128/0x4d0 [ 85.915566][ T5458] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.916325][ T5458] invoke_syscall+0x98/0x2b8 [ 85.917027][ T5458] el0_svc_common+0x138/0x258 [ 85.917741][ T5458] do_el0_svc+0x58/0x14c [ 85.918392][ T5458] el0_svc+0x78/0x1e0 [ 85.919013][ T5458] el0t_64_sync_handler+0xcc/0xe4 [ 85.919772][ T5458] el0t_64_sync+0x1a0/0x1a4 [ 85.929457][ T5460] FAULT_INJECTION: forcing a failure. [ 85.929457][ T5460] name failslab, interval 1, probability 0, space 0, times 0 [ 85.931556][ T5460] CPU: 0 PID: 5460 Comm: syz.0.240 Tainted: G W syzkaller #0 [ 85.932887][ T5460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.934347][ T5460] Call trace: [ 85.934843][ T5460] dump_backtrace+0x0/0x43c [ 85.935504][ T5460] show_stack+0x2c/0x3c [ 85.936146][ T5460] __dump_stack+0x30/0x40 [ 85.936861][ T5460] dump_stack_lvl+0xf8/0x160 [ 85.937532][ T5460] dump_stack+0x1c/0x5c [ 85.938159][ T5460] should_fail+0x3c0/0x51c [ 85.938836][ T5460] __should_failslab+0xbc/0x10c [ 85.939649][ T5460] should_failslab+0x10/0x28 [ 85.940383][ T5460] slab_pre_alloc_hook+0x64/0xec [ 85.941172][ T5460] __kmalloc_track_caller+0x74/0x370 [ 85.941936][ T5460] kstrdup+0xe4/0x15c [ 85.942564][ T5460] kstrdup_const+0x54/0x6c [ 85.943216][ T5460] kvasprintf_const+0x118/0x2d0 [ 85.943951][ T5460] kobject_set_name_vargs+0xcc/0x1b4 [ 85.944736][ T5460] dev_set_name+0xd8/0x124 [ 85.945363][ T5460] device_add_disk+0x258/0xad0 [ 85.946114][ T5460] loop_add+0x510/0x6e0 [ 85.946698][ T5460] loop_control_ioctl+0x128/0x4d0 [ 85.947464][ T5460] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.948183][ T5460] invoke_syscall+0x98/0x2b8 [ 85.948834][ T5460] el0_svc_common+0x138/0x258 [ 85.949535][ T5460] do_el0_svc+0x58/0x14c [ 85.950106][ T5460] el0_svc+0x78/0x1e0 [ 85.950696][ T5460] el0t_64_sync_handler+0xcc/0xe4 [ 85.951427][ T5460] el0t_64_sync+0x1a0/0x1a4 [ 85.960878][ T5462] FAULT_INJECTION: forcing a failure. [ 85.960878][ T5462] name failslab, interval 1, probability 0, space 0, times 0 [ 85.962819][ T5462] CPU: 0 PID: 5462 Comm: syz.0.241 Tainted: G W syzkaller #0 [ 85.964073][ T5462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.965486][ T5462] Call trace: [ 85.966007][ T5462] dump_backtrace+0x0/0x43c [ 85.966676][ T5462] show_stack+0x2c/0x3c [ 85.967330][ T5462] __dump_stack+0x30/0x40 [ 85.967984][ T5462] dump_stack_lvl+0xf8/0x160 [ 85.968637][ T5462] dump_stack+0x1c/0x5c [ 85.969295][ T5462] should_fail+0x3c0/0x51c [ 85.969954][ T5462] __should_failslab+0xbc/0x10c [ 85.970654][ T5462] should_failslab+0x10/0x28 [ 85.971346][ T5462] slab_pre_alloc_hook+0x64/0xec [ 85.972087][ T5462] kmem_cache_alloc+0x94/0x3e4 [ 85.972808][ T5462] __debug_object_init+0x670/0x98c [ 85.973610][ T5462] debug_object_init+0x20/0x2c [ 85.974308][ T5462] __percpu_counter_init+0x10c/0x26c [ 85.975092][ T5462] wb_init+0x588/0x6ec [ 85.975734][ T5462] bdi_init+0x1b4/0x2f4 [ 85.976371][ T5462] bdi_alloc+0x6c/0x144 [ 85.977001][ T5462] __alloc_disk_node+0x8c/0x458 [ 85.977736][ T5462] __blk_mq_alloc_disk+0xe8/0x154 [ 85.978508][ T5462] loop_add+0x240/0x6e0 [ 85.979129][ T5462] loop_control_ioctl+0x128/0x4d0 [ 85.979866][ T5462] __arm64_sys_ioctl+0x14c/0x1c8 [ 85.980571][ T5462] invoke_syscall+0x98/0x2b8 [ 85.981259][ T5462] el0_svc_common+0x138/0x258 [ 85.981963][ T5462] do_el0_svc+0x58/0x14c [ 85.982616][ T5462] el0_svc+0x78/0x1e0 [ 85.983197][ T5462] el0t_64_sync_handler+0xcc/0xe4 [ 85.983933][ T5462] el0t_64_sync+0x1a0/0x1a4 [ 85.998822][ T5464] FAULT_INJECTION: forcing a failure. [ 85.998822][ T5464] name failslab, interval 1, probability 0, space 0, times 0 [ 86.000828][ T5464] CPU: 1 PID: 5464 Comm: syz.0.242 Tainted: G W syzkaller #0 [ 86.002168][ T5464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.003732][ T5464] Call trace: [ 86.004227][ T5464] dump_backtrace+0x0/0x43c [ 86.004857][ T5464] show_stack+0x2c/0x3c [ 86.005467][ T5464] __dump_stack+0x30/0x40 [ 86.006091][ T5464] dump_stack_lvl+0xf8/0x160 [ 86.006773][ T5464] dump_stack+0x1c/0x5c [ 86.007439][ T5464] should_fail+0x3c0/0x51c [ 86.008088][ T5464] __should_failslab+0xbc/0x10c [ 86.008819][ T5464] should_failslab+0x10/0x28 [ 86.009548][ T5464] slab_pre_alloc_hook+0x64/0xec [ 86.010341][ T5464] kmem_cache_alloc_trace+0x98/0x3fc [ 86.011094][ T5464] blk_iolatency_init+0x64/0x430 [ 86.011817][ T5464] blkcg_init_queue+0x3f0/0x484 [ 86.012486][ T5464] blk_alloc_queue+0x3cc/0x4a0 [ 86.013167][ T5464] __blk_mq_alloc_disk+0x5c/0x154 [ 86.013914][ T5464] loop_add+0x240/0x6e0 [ 86.014557][ T5464] loop_control_ioctl+0x128/0x4d0 [ 86.015279][ T5464] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.015954][ T5464] invoke_syscall+0x98/0x2b8 [ 86.016598][ T5464] el0_svc_common+0x138/0x258 [ 86.017405][ T5464] do_el0_svc+0x58/0x14c [ 86.018103][ T5464] el0_svc+0x78/0x1e0 [ 86.018747][ T5464] el0t_64_sync_handler+0xcc/0xe4 [ 86.019513][ T5464] el0t_64_sync+0x1a0/0x1a4 [ 86.029098][ T5466] FAULT_INJECTION: forcing a failure. [ 86.029098][ T5466] name failslab, interval 1, probability 0, space 0, times 0 [ 86.031046][ T5466] CPU: 0 PID: 5466 Comm: syz.0.243 Tainted: G W syzkaller #0 [ 86.032301][ T5466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.033724][ T5466] Call trace: [ 86.034200][ T5466] dump_backtrace+0x0/0x43c [ 86.034848][ T5466] show_stack+0x2c/0x3c [ 86.035494][ T5466] __dump_stack+0x30/0x40 [ 86.036114][ T5466] dump_stack_lvl+0xf8/0x160 [ 86.036874][ T5466] dump_stack+0x1c/0x5c [ 86.037511][ T5466] should_fail+0x3c0/0x51c [ 86.038218][ T5466] __should_failslab+0xbc/0x10c [ 86.038901][ T5466] should_failslab+0x10/0x28 [ 86.039510][ T5466] slab_pre_alloc_hook+0x64/0xec [ 86.040170][ T5466] kmem_cache_alloc+0x94/0x3e4 [ 86.040870][ T5466] __debug_object_init+0x75c/0x98c [ 86.041642][ T5466] debug_object_init+0x20/0x2c [ 86.042335][ T5466] __init_work+0x58/0x68 [ 86.042913][ T5466] blk_iolatency_init+0x2dc/0x430 [ 86.043608][ T5466] blkcg_init_queue+0x3f0/0x484 [ 86.044317][ T5466] blk_alloc_queue+0x3cc/0x4a0 [ 86.045009][ T5466] __blk_mq_alloc_disk+0x5c/0x154 [ 86.045780][ T5466] loop_add+0x240/0x6e0 [ 86.046450][ T5466] loop_control_ioctl+0x128/0x4d0 [ 86.047198][ T5466] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.047950][ T5466] invoke_syscall+0x98/0x2b8 [ 86.048624][ T5466] el0_svc_common+0x138/0x258 [ 86.049359][ T5466] do_el0_svc+0x58/0x14c [ 86.050009][ T5466] el0_svc+0x78/0x1e0 [ 86.050588][ T5466] el0t_64_sync_handler+0xcc/0xe4 [ 86.051313][ T5466] el0t_64_sync+0x1a0/0x1a4 [ 86.062263][ T5468] FAULT_INJECTION: forcing a failure. [ 86.062263][ T5468] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 86.064210][ T5468] CPU: 1 PID: 5468 Comm: syz.0.244 Tainted: G W syzkaller #0 [ 86.065467][ T5468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.067081][ T5468] Call trace: [ 86.067563][ T5468] dump_backtrace+0x0/0x43c [ 86.068226][ T5468] show_stack+0x2c/0x3c [ 86.068839][ T5468] __dump_stack+0x30/0x40 [ 86.069470][ T5468] dump_stack_lvl+0xf8/0x160 [ 86.070152][ T5468] dump_stack+0x1c/0x5c [ 86.070761][ T5468] should_fail+0x3c0/0x51c [ 86.071408][ T5468] should_fail_alloc_page+0x74/0xa8 [ 86.072214][ T5468] prepare_alloc_pages+0x160/0x460 [ 86.073046][ T5468] __alloc_pages+0x108/0x470 [ 86.073702][ T5468] alloc_pages+0x34c/0x5c0 [ 86.074312][ T5468] new_slab+0xe0/0x55c [ 86.074887][ T5468] ___slab_alloc+0x6c0/0xda8 [ 86.075582][ T5468] __slab_alloc+0x68/0xc0 [ 86.076166][ T5468] kmem_cache_alloc+0x2ac/0x3e4 [ 86.076855][ T5468] bdev_alloc_inode+0x24/0x60 [ 86.077530][ T5468] new_inode_pseudo+0x68/0x1fc [ 86.078215][ T5468] new_inode+0x38/0x174 [ 86.078809][ T5468] bdev_alloc+0x30/0x1f8 [ 86.079386][ T5468] __alloc_disk_node+0xbc/0x458 [ 86.080108][ T5468] __blk_mq_alloc_disk+0xe8/0x154 [ 86.080822][ T5468] loop_add+0x240/0x6e0 [ 86.081411][ T5468] loop_control_ioctl+0x128/0x4d0 [ 86.082163][ T5468] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.082859][ T5468] invoke_syscall+0x98/0x2b8 [ 86.083486][ T5468] el0_svc_common+0x138/0x258 [ 86.084105][ T5468] do_el0_svc+0x58/0x14c [ 86.084710][ T5468] el0_svc+0x78/0x1e0 [ 86.085280][ T5468] el0t_64_sync_handler+0xcc/0xe4 [ 86.086019][ T5468] el0t_64_sync+0x1a0/0x1a4 [ 86.097981][ T5470] FAULT_INJECTION: forcing a failure. [ 86.097981][ T5470] name failslab, interval 1, probability 0, space 0, times 0 [ 86.099833][ T5470] CPU: 1 PID: 5470 Comm: syz.0.245 Tainted: G W syzkaller #0 [ 86.101070][ T5470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.102499][ T5470] Call trace: [ 86.102891][ T5470] dump_backtrace+0x0/0x43c [ 86.103496][ T5470] show_stack+0x2c/0x3c [ 86.104142][ T5470] __dump_stack+0x30/0x40 [ 86.104805][ T5470] dump_stack_lvl+0xf8/0x160 [ 86.105485][ T5470] dump_stack+0x1c/0x5c [ 86.106091][ T5470] should_fail+0x3c0/0x51c [ 86.106770][ T5470] __should_failslab+0xbc/0x10c [ 86.107587][ T5470] should_failslab+0x10/0x28 [ 86.108388][ T5470] slab_pre_alloc_hook+0x64/0xec [ 86.109150][ T5470] kmem_cache_alloc_node_trace+0x9c/0x438 [ 86.109999][ T5470] throtl_pd_alloc+0xac/0x4ec [ 86.110708][ T5470] blkcg_activate_policy+0x204/0xa8c [ 86.111477][ T5470] blk_throtl_init+0x308/0x3ec [ 86.112151][ T5470] blkcg_init_queue+0x3cc/0x484 [ 86.112957][ T5470] blk_alloc_queue+0x3cc/0x4a0 [ 86.113626][ T5470] __blk_mq_alloc_disk+0x5c/0x154 [ 86.114398][ T5470] loop_add+0x240/0x6e0 [ 86.115065][ T5470] loop_control_ioctl+0x128/0x4d0 [ 86.115772][ T5470] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.116563][ T5470] invoke_syscall+0x98/0x2b8 [ 86.117225][ T5470] el0_svc_common+0x138/0x258 [ 86.117916][ T5470] do_el0_svc+0x58/0x14c [ 86.118516][ T5470] el0_svc+0x78/0x1e0 [ 86.119173][ T5470] el0t_64_sync_handler+0xcc/0xe4 [ 86.119988][ T5470] el0t_64_sync+0x1a0/0x1a4 [ 86.137628][ T5472] FAULT_INJECTION: forcing a failure. [ 86.137628][ T5472] name failslab, interval 1, probability 0, space 0, times 0 [ 86.139672][ T5472] CPU: 0 PID: 5472 Comm: syz.0.246 Tainted: G W syzkaller #0 [ 86.141012][ T5472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.142489][ T5472] Call trace: [ 86.142932][ T5472] dump_backtrace+0x0/0x43c [ 86.143564][ T5472] show_stack+0x2c/0x3c [ 86.144170][ T5472] __dump_stack+0x30/0x40 [ 86.144767][ T5472] dump_stack_lvl+0xf8/0x160 [ 86.145407][ T5472] dump_stack+0x1c/0x5c [ 86.146031][ T5472] should_fail+0x3c0/0x51c [ 86.146727][ T5472] __should_failslab+0xbc/0x10c [ 86.147427][ T5472] should_failslab+0x10/0x28 [ 86.148087][ T5472] slab_pre_alloc_hook+0x64/0xec [ 86.148742][ T5472] __kmalloc_track_caller+0x74/0x370 [ 86.149520][ T5472] kstrdup+0xe4/0x15c [ 86.150123][ T5472] kstrdup_const+0x54/0x6c [ 86.150824][ T5472] kvasprintf_const+0x118/0x2d0 [ 86.151562][ T5472] kobject_set_name_vargs+0xcc/0x1b4 [ 86.152340][ T5472] dev_set_name+0xd8/0x124 [ 86.153002][ T5472] device_add_disk+0x258/0xad0 [ 86.153758][ T5472] loop_add+0x510/0x6e0 [ 86.154358][ T5472] loop_control_ioctl+0x128/0x4d0 [ 86.155120][ T5472] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.155870][ T5472] invoke_syscall+0x98/0x2b8 [ 86.156530][ T5472] el0_svc_common+0x138/0x258 [ 86.157215][ T5472] do_el0_svc+0x58/0x14c [ 86.157853][ T5472] el0_svc+0x78/0x1e0 [ 86.158446][ T5472] el0t_64_sync_handler+0xcc/0xe4 [ 86.159191][ T5472] el0t_64_sync+0x1a0/0x1a4 [ 86.168871][ T5474] FAULT_INJECTION: forcing a failure. [ 86.168871][ T5474] name failslab, interval 1, probability 0, space 0, times 0 [ 86.170922][ T5474] CPU: 0 PID: 5474 Comm: syz.0.247 Tainted: G W syzkaller #0 [ 86.172210][ T5474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.173716][ T5474] Call trace: [ 86.174200][ T5474] dump_backtrace+0x0/0x43c [ 86.174871][ T5474] show_stack+0x2c/0x3c [ 86.175484][ T5474] __dump_stack+0x30/0x40 [ 86.176157][ T5474] dump_stack_lvl+0xf8/0x160 [ 86.176879][ T5474] dump_stack+0x1c/0x5c [ 86.177511][ T5474] should_fail+0x3c0/0x51c [ 86.178150][ T5474] __should_failslab+0xbc/0x10c [ 86.178854][ T5474] should_failslab+0x10/0x28 [ 86.179525][ T5474] slab_pre_alloc_hook+0x64/0xec [ 86.180245][ T5474] kmem_cache_alloc+0x94/0x3e4 [ 86.180947][ T5474] __debug_object_init+0x744/0x98c [ 86.181685][ T5474] debug_object_init+0x20/0x2c [ 86.182375][ T5474] __init_work+0x58/0x68 [ 86.183014][ T5474] blk_iolatency_init+0x2dc/0x430 [ 86.183745][ T5474] blkcg_init_queue+0x3f0/0x484 [ 86.184478][ T5474] blk_alloc_queue+0x3cc/0x4a0 [ 86.185201][ T5474] __blk_mq_alloc_disk+0x5c/0x154 [ 86.185915][ T5474] loop_add+0x240/0x6e0 [ 86.186515][ T5474] loop_control_ioctl+0x128/0x4d0 [ 86.187238][ T5474] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.187908][ T5474] invoke_syscall+0x98/0x2b8 [ 86.188590][ T5474] el0_svc_common+0x138/0x258 [ 86.189270][ T5474] do_el0_svc+0x58/0x14c [ 86.189852][ T5474] el0_svc+0x78/0x1e0 [ 86.190434][ T5474] el0t_64_sync_handler+0xcc/0xe4 [ 86.191190][ T5474] el0t_64_sync+0x1a0/0x1a4 [ 86.202188][ T5476] FAULT_INJECTION: forcing a failure. [ 86.202188][ T5476] name failslab, interval 1, probability 0, space 0, times 0 [ 86.204151][ T5476] CPU: 1 PID: 5476 Comm: syz.0.248 Tainted: G W syzkaller #0 [ 86.205488][ T5476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.207074][ T5476] Call trace: [ 86.207578][ T5476] dump_backtrace+0x0/0x43c [ 86.208217][ T5476] show_stack+0x2c/0x3c [ 86.208873][ T5476] __dump_stack+0x30/0x40 [ 86.209479][ T5476] dump_stack_lvl+0xf8/0x160 [ 86.210132][ T5476] dump_stack+0x1c/0x5c [ 86.210715][ T5476] should_fail+0x3c0/0x51c [ 86.211349][ T5476] __should_failslab+0xbc/0x10c [ 86.212081][ T5476] should_failslab+0x10/0x28 [ 86.212715][ T5476] slab_pre_alloc_hook+0x64/0xec [ 86.213440][ T5476] kmem_cache_alloc+0x94/0x3e4 [ 86.214152][ T5476] __debug_object_init+0x670/0x98c [ 86.214913][ T5476] debug_object_init+0x20/0x2c [ 86.215616][ T5476] __percpu_counter_init+0x10c/0x26c [ 86.216362][ T5476] wb_init+0x588/0x6ec [ 86.216929][ T5476] bdi_init+0x1b4/0x2f4 [ 86.217562][ T5476] bdi_alloc+0x6c/0x144 [ 86.218145][ T5476] __alloc_disk_node+0x8c/0x458 [ 86.218869][ T5476] __blk_mq_alloc_disk+0xe8/0x154 [ 86.219602][ T5476] loop_add+0x240/0x6e0 [ 86.220176][ T5476] loop_control_ioctl+0x128/0x4d0 [ 86.220954][ T5476] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.221695][ T5476] invoke_syscall+0x98/0x2b8 [ 86.222374][ T5476] el0_svc_common+0x138/0x258 [ 86.223048][ T5476] do_el0_svc+0x58/0x14c [ 86.223664][ T5476] el0_svc+0x78/0x1e0 [ 86.224285][ T5476] el0t_64_sync_handler+0xcc/0xe4 [ 86.224995][ T5476] el0t_64_sync+0x1a0/0x1a4 [ 86.238463][ T5478] FAULT_INJECTION: forcing a failure. [ 86.238463][ T5478] name failslab, interval 1, probability 0, space 0, times 0 [ 86.240568][ T5478] CPU: 1 PID: 5478 Comm: syz.0.249 Tainted: G W syzkaller #0 [ 86.242009][ T5478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.243668][ T5478] Call trace: [ 86.244170][ T5478] dump_backtrace+0x0/0x43c [ 86.244853][ T5478] show_stack+0x2c/0x3c [ 86.245522][ T5478] __dump_stack+0x30/0x40 [ 86.246163][ T5478] dump_stack_lvl+0xf8/0x160 [ 86.246853][ T5478] dump_stack+0x1c/0x5c [ 86.247463][ T5478] should_fail+0x3c0/0x51c [ 86.248090][ T5478] __should_failslab+0xbc/0x10c [ 86.248707][ T5478] should_failslab+0x10/0x28 [ 86.249348][ T5478] slab_pre_alloc_hook+0x64/0xec [ 86.250085][ T5478] kmem_cache_alloc+0x94/0x3e4 [ 86.250747][ T5478] __debug_object_init+0x774/0x98c [ 86.251424][ T5478] debug_object_init+0x20/0x2c [ 86.252057][ T5478] __percpu_counter_init+0x10c/0x26c [ 86.252766][ T5478] blkg_rwstat_init+0xa0/0x2b8 [ 86.253480][ T5478] throtl_pd_alloc+0xf0/0x4ec [ 86.254303][ T5478] blkcg_activate_policy+0x204/0xa8c [ 86.255157][ T5478] blk_throtl_init+0x308/0x3ec [ 86.255945][ T5478] blkcg_init_queue+0x3cc/0x484 [ 86.256677][ T5478] blk_alloc_queue+0x3cc/0x4a0 [ 86.257463][ T5478] __blk_mq_alloc_disk+0x5c/0x154 [ 86.258237][ T5478] loop_add+0x240/0x6e0 [ 86.258900][ T5478] loop_control_ioctl+0x128/0x4d0 [ 86.259663][ T5478] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.260420][ T5478] invoke_syscall+0x98/0x2b8 [ 86.261123][ T5478] el0_svc_common+0x138/0x258 [ 86.261857][ T5478] do_el0_svc+0x58/0x14c [ 86.262524][ T5478] el0_svc+0x78/0x1e0 [ 86.263084][ T5478] el0t_64_sync_handler+0xcc/0xe4 [ 86.263799][ T5478] el0t_64_sync+0x1a0/0x1a4 [ 86.277020][ T5480] FAULT_INJECTION: forcing a failure. [ 86.277020][ T5480] name failslab, interval 1, probability 0, space 0, times 0 [ 86.278980][ T5480] CPU: 1 PID: 5480 Comm: syz.0.250 Tainted: G W syzkaller #0 [ 86.280229][ T5480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.281825][ T5480] Call trace: [ 86.282287][ T5480] dump_backtrace+0x0/0x43c [ 86.282938][ T5480] show_stack+0x2c/0x3c [ 86.283526][ T5480] __dump_stack+0x30/0x40 [ 86.284193][ T5480] dump_stack_lvl+0xf8/0x160 [ 86.284871][ T5480] dump_stack+0x1c/0x5c [ 86.285490][ T5480] should_fail+0x3c0/0x51c [ 86.286138][ T5480] __should_failslab+0xbc/0x10c [ 86.286857][ T5480] should_failslab+0x10/0x28 [ 86.287606][ T5480] slab_pre_alloc_hook+0x64/0xec [ 86.288342][ T5480] kmem_cache_alloc_node_trace+0x9c/0x438 [ 86.289187][ T5480] throtl_pd_alloc+0xac/0x4ec [ 86.289861][ T5480] blkcg_activate_policy+0x204/0xa8c [ 86.290580][ T5480] blk_throtl_init+0x308/0x3ec [ 86.291285][ T5480] blkcg_init_queue+0x3cc/0x484 [ 86.291964][ T5480] blk_alloc_queue+0x3cc/0x4a0 [ 86.292651][ T5480] __blk_mq_alloc_disk+0x5c/0x154 [ 86.293390][ T5480] loop_add+0x240/0x6e0 [ 86.294007][ T5480] loop_control_ioctl+0x128/0x4d0 [ 86.294773][ T5480] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.295541][ T5480] invoke_syscall+0x98/0x2b8 [ 86.296245][ T5480] el0_svc_common+0x138/0x258 [ 86.297017][ T5480] do_el0_svc+0x58/0x14c [ 86.297613][ T5480] el0_svc+0x78/0x1e0 [ 86.298220][ T5480] el0t_64_sync_handler+0xcc/0xe4 [ 86.298960][ T5480] el0t_64_sync+0x1a0/0x1a4 [ 86.311641][ T5482] FAULT_INJECTION: forcing a failure. [ 86.311641][ T5482] name failslab, interval 1, probability 0, space 0, times 0 [ 86.313483][ T5482] CPU: 1 PID: 5482 Comm: syz.0.251 Tainted: G W syzkaller #0 [ 86.314727][ T5482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.316215][ T5482] Call trace: [ 86.316712][ T5482] dump_backtrace+0x0/0x43c [ 86.317444][ T5482] show_stack+0x2c/0x3c [ 86.318100][ T5482] __dump_stack+0x30/0x40 [ 86.318747][ T5482] dump_stack_lvl+0xf8/0x160 [ 86.319407][ T5482] dump_stack+0x1c/0x5c [ 86.320068][ T5482] should_fail+0x3c0/0x51c [ 86.320700][ T5482] __should_failslab+0xbc/0x10c [ 86.321468][ T5482] should_failslab+0x10/0x28 [ 86.322124][ T5482] slab_pre_alloc_hook+0x64/0xec [ 86.322875][ T5482] __kmalloc_track_caller+0x74/0x370 [ 86.323605][ T5482] kstrdup+0xe4/0x15c [ 86.324221][ T5482] kstrdup_const+0x54/0x6c [ 86.324848][ T5482] kvasprintf_const+0x118/0x2d0 [ 86.325519][ T5482] kobject_set_name_vargs+0xcc/0x1b4 [ 86.326325][ T5482] dev_set_name+0xd8/0x124 [ 86.326984][ T5482] device_add_disk+0x258/0xad0 [ 86.327634][ T5482] loop_add+0x510/0x6e0 [ 86.328244][ T5482] loop_control_ioctl+0x128/0x4d0 [ 86.329002][ T5482] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.329770][ T5482] invoke_syscall+0x98/0x2b8 [ 86.330499][ T5482] el0_svc_common+0x138/0x258 [ 86.331222][ T5482] do_el0_svc+0x58/0x14c [ 86.331860][ T5482] el0_svc+0x78/0x1e0 [ 86.332457][ T5482] el0t_64_sync_handler+0xcc/0xe4 [ 86.333218][ T5482] el0t_64_sync+0x1a0/0x1a4 [ 86.343259][ T5484] FAULT_INJECTION: forcing a failure. [ 86.343259][ T5484] name failslab, interval 1, probability 0, space 0, times 0 [ 86.345050][ T5484] CPU: 1 PID: 5484 Comm: syz.0.252 Tainted: G W syzkaller #0 [ 86.346272][ T5484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.347794][ T5484] Call trace: [ 86.348264][ T5484] dump_backtrace+0x0/0x43c [ 86.348923][ T5484] show_stack+0x2c/0x3c [ 86.349507][ T5484] __dump_stack+0x30/0x40 [ 86.350097][ T5484] dump_stack_lvl+0xf8/0x160 [ 86.350719][ T5484] dump_stack+0x1c/0x5c [ 86.351367][ T5484] should_fail+0x3c0/0x51c [ 86.352036][ T5484] __should_failslab+0xbc/0x10c [ 86.352744][ T5484] should_failslab+0x10/0x28 [ 86.353463][ T5484] slab_pre_alloc_hook+0x64/0xec [ 86.354196][ T5484] kmem_cache_alloc+0x94/0x3e4 [ 86.354896][ T5484] __debug_object_init+0x698/0x98c [ 86.355614][ T5484] debug_object_init+0x20/0x2c [ 86.356335][ T5484] __init_work+0x58/0x68 [ 86.356924][ T5484] blk_mq_init_allocated_queue+0x3a0/0x158c [ 86.357780][ T5484] __blk_mq_alloc_disk+0x88/0x154 [ 86.358539][ T5484] loop_add+0x240/0x6e0 [ 86.359144][ T5484] loop_control_ioctl+0x128/0x4d0 [ 86.360006][ T5484] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.360796][ T5484] invoke_syscall+0x98/0x2b8 [ 86.361495][ T5484] el0_svc_common+0x138/0x258 [ 86.362203][ T5484] do_el0_svc+0x58/0x14c [ 86.362822][ T5484] el0_svc+0x78/0x1e0 [ 86.363404][ T5484] el0t_64_sync_handler+0xcc/0xe4 [ 86.364088][ T5484] el0t_64_sync+0x1a0/0x1a4 [ 86.379723][ T5486] FAULT_INJECTION: forcing a failure. [ 86.379723][ T5486] name failslab, interval 1, probability 0, space 0, times 0 [ 86.381624][ T5486] CPU: 1 PID: 5486 Comm: syz.0.253 Tainted: G W syzkaller #0 [ 86.382957][ T5486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.384340][ T5486] Call trace: [ 86.384797][ T5486] dump_backtrace+0x0/0x43c [ 86.385431][ T5486] show_stack+0x2c/0x3c [ 86.386040][ T5486] __dump_stack+0x30/0x40 [ 86.386735][ T5486] dump_stack_lvl+0xf8/0x160 [ 86.387501][ T5486] dump_stack+0x1c/0x5c [ 86.388098][ T5486] should_fail+0x3c0/0x51c [ 86.388770][ T5486] __should_failslab+0xbc/0x10c [ 86.389492][ T5486] should_failslab+0x10/0x28 [ 86.390157][ T5486] slab_pre_alloc_hook+0x64/0xec [ 86.390863][ T5486] kmem_cache_alloc+0x94/0x3e4 [ 86.391545][ T5486] __debug_object_init+0x6e8/0x98c [ 86.392306][ T5486] debug_object_init+0x20/0x2c [ 86.392952][ T5486] __init_work+0x58/0x68 [ 86.393580][ T5486] blk_mq_realloc_hw_ctxs+0x458/0x133c [ 86.394335][ T5486] blk_mq_init_allocated_queue+0x36c/0x158c [ 86.395310][ T5486] __blk_mq_alloc_disk+0x88/0x154 [ 86.396068][ T5486] loop_add+0x240/0x6e0 [ 86.396658][ T5486] loop_control_ioctl+0x128/0x4d0 [ 86.397417][ T5486] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.398172][ T5486] invoke_syscall+0x98/0x2b8 [ 86.398855][ T5486] el0_svc_common+0x138/0x258 [ 86.399575][ T5486] do_el0_svc+0x58/0x14c [ 86.400141][ T5486] el0_svc+0x78/0x1e0 [ 86.400757][ T5486] el0t_64_sync_handler+0xcc/0xe4 [ 86.401484][ T5486] el0t_64_sync+0x1a0/0x1a4 [ 86.412325][ T5488] FAULT_INJECTION: forcing a failure. [ 86.412325][ T5488] name failslab, interval 1, probability 0, space 0, times 0 [ 86.414328][ T5488] CPU: 1 PID: 5488 Comm: syz.0.254 Tainted: G W syzkaller #0 [ 86.415639][ T5488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.417197][ T5488] Call trace: [ 86.417655][ T5488] dump_backtrace+0x0/0x43c [ 86.418351][ T5488] show_stack+0x2c/0x3c [ 86.418983][ T5488] __dump_stack+0x30/0x40 [ 86.419629][ T5488] dump_stack_lvl+0xf8/0x160 [ 86.420244][ T5488] dump_stack+0x1c/0x5c [ 86.420839][ T5488] should_fail+0x3c0/0x51c [ 86.421511][ T5488] __should_failslab+0xbc/0x10c [ 86.422211][ T5488] should_failslab+0x10/0x28 [ 86.422916][ T5488] slab_pre_alloc_hook+0x64/0xec [ 86.423652][ T5488] kmem_cache_alloc+0x94/0x3e4 [ 86.424325][ T5488] __debug_object_init+0x75c/0x98c [ 86.425077][ T5488] debug_object_init+0x20/0x2c [ 86.425784][ T5488] init_timer_key+0x54/0x418 [ 86.426490][ T5488] blk_iolatency_init+0x2cc/0x430 [ 86.427226][ T5488] blkcg_init_queue+0x3f0/0x484 [ 86.427877][ T5488] blk_alloc_queue+0x3cc/0x4a0 [ 86.428509][ T5488] __blk_mq_alloc_disk+0x5c/0x154 [ 86.429253][ T5488] loop_add+0x240/0x6e0 [ 86.429863][ T5488] loop_control_ioctl+0x128/0x4d0 [ 86.430597][ T5488] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.431296][ T5488] invoke_syscall+0x98/0x2b8 [ 86.431992][ T5488] el0_svc_common+0x138/0x258 [ 86.432689][ T5488] do_el0_svc+0x58/0x14c [ 86.433325][ T5488] el0_svc+0x78/0x1e0 [ 86.433900][ T5488] el0t_64_sync_handler+0xcc/0xe4 [ 86.434598][ T5488] el0t_64_sync+0x1a0/0x1a4 [ 86.445485][ T5490] FAULT_INJECTION: forcing a failure. [ 86.445485][ T5490] name failslab, interval 1, probability 0, space 0, times 0 [ 86.447979][ T5490] CPU: 0 PID: 5490 Comm: syz.0.255 Tainted: G W syzkaller #0 [ 86.449298][ T5490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.450800][ T5490] Call trace: [ 86.451264][ T5490] dump_backtrace+0x0/0x43c [ 86.451939][ T5490] show_stack+0x2c/0x3c [ 86.452532][ T5490] __dump_stack+0x30/0x40 [ 86.453157][ T5490] dump_stack_lvl+0xf8/0x160 [ 86.453828][ T5490] dump_stack+0x1c/0x5c [ 86.454474][ T5490] should_fail+0x3c0/0x51c [ 86.455130][ T5490] __should_failslab+0xbc/0x10c [ 86.455831][ T5490] should_failslab+0x10/0x28 [ 86.456551][ T5490] slab_pre_alloc_hook+0x64/0xec [ 86.457259][ T5490] kmem_cache_alloc+0x94/0x3e4 [ 86.457891][ T5490] __debug_object_init+0x75c/0x98c [ 86.458653][ T5490] debug_object_init+0x20/0x2c [ 86.459352][ T5490] init_timer_key+0x54/0x418 [ 86.460006][ T5490] blk_iolatency_init+0x2cc/0x430 [ 86.460707][ T5490] blkcg_init_queue+0x3f0/0x484 [ 86.461389][ T5490] blk_alloc_queue+0x3cc/0x4a0 [ 86.462048][ T5490] __blk_mq_alloc_disk+0x5c/0x154 [ 86.462748][ T5490] loop_add+0x240/0x6e0 [ 86.463304][ T5490] loop_control_ioctl+0x128/0x4d0 [ 86.464041][ T5490] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.464761][ T5490] invoke_syscall+0x98/0x2b8 [ 86.465384][ T5490] el0_svc_common+0x138/0x258 [ 86.466059][ T5490] do_el0_svc+0x58/0x14c [ 86.466649][ T5490] el0_svc+0x78/0x1e0 [ 86.467206][ T5490] el0t_64_sync_handler+0xcc/0xe4 [ 86.467959][ T5490] el0t_64_sync+0x1a0/0x1a4 [ 86.480134][ T5492] FAULT_INJECTION: forcing a failure. [ 86.480134][ T5492] name failslab, interval 1, probability 0, space 0, times 0 [ 86.482201][ T5492] CPU: 1 PID: 5492 Comm: syz.0.256 Tainted: G W syzkaller #0 [ 86.483470][ T5492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.484925][ T5492] Call trace: [ 86.485348][ T5492] dump_backtrace+0x0/0x43c [ 86.486002][ T5492] show_stack+0x2c/0x3c [ 86.486584][ T5492] __dump_stack+0x30/0x40 [ 86.487210][ T5492] dump_stack_lvl+0xf8/0x160 [ 86.487894][ T5492] dump_stack+0x1c/0x5c [ 86.488530][ T5492] should_fail+0x3c0/0x51c [ 86.489158][ T5492] __should_failslab+0xbc/0x10c [ 86.489874][ T5492] should_failslab+0x10/0x28 [ 86.490521][ T5492] slab_pre_alloc_hook+0x64/0xec [ 86.491264][ T5492] kmem_cache_alloc_trace+0x98/0x3fc [ 86.492009][ T5492] blk_iolatency_init+0x64/0x430 [ 86.492806][ T5492] blkcg_init_queue+0x3f0/0x484 [ 86.493571][ T5492] blk_alloc_queue+0x3cc/0x4a0 [ 86.494348][ T5492] __blk_mq_alloc_disk+0x5c/0x154 [ 86.495192][ T5492] loop_add+0x240/0x6e0 [ 86.495835][ T5492] loop_control_ioctl+0x128/0x4d0 [ 86.496585][ T5492] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.497353][ T5492] invoke_syscall+0x98/0x2b8 [ 86.498109][ T5492] el0_svc_common+0x138/0x258 [ 86.498823][ T5492] do_el0_svc+0x58/0x14c [ 86.499454][ T5492] el0_svc+0x78/0x1e0 [ 86.500092][ T5492] el0t_64_sync_handler+0xcc/0xe4 [ 86.500782][ T5492] el0t_64_sync+0x1a0/0x1a4 [ 86.511685][ T5494] FAULT_INJECTION: forcing a failure. [ 86.511685][ T5494] name failslab, interval 1, probability 0, space 0, times 0 [ 86.513554][ T5494] CPU: 1 PID: 5494 Comm: syz.0.257 Tainted: G W syzkaller #0 [ 86.514765][ T5494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.516173][ T5494] Call trace: [ 86.516658][ T5494] dump_backtrace+0x0/0x43c [ 86.517310][ T5494] show_stack+0x2c/0x3c [ 86.518028][ T5494] __dump_stack+0x30/0x40 [ 86.518769][ T5494] dump_stack_lvl+0xf8/0x160 [ 86.519497][ T5494] dump_stack+0x1c/0x5c [ 86.520157][ T5494] should_fail+0x3c0/0x51c [ 86.520900][ T5494] __should_failslab+0xbc/0x10c [ 86.521634][ T5494] should_failslab+0x10/0x28 [ 86.522320][ T5494] slab_pre_alloc_hook+0x64/0xec [ 86.523090][ T5494] __kmalloc_track_caller+0x74/0x370 [ 86.523816][ T5494] kstrdup+0xe4/0x15c [ 86.524374][ T5494] kstrdup_const+0x54/0x6c [ 86.525020][ T5494] kvasprintf_const+0x118/0x2d0 [ 86.525753][ T5494] kobject_set_name_vargs+0xcc/0x1b4 [ 86.526525][ T5494] dev_set_name+0xd8/0x124 [ 86.527143][ T5494] device_add_disk+0x258/0xad0 [ 86.527805][ T5494] loop_add+0x510/0x6e0 [ 86.528351][ T5494] loop_control_ioctl+0x128/0x4d0 [ 86.529082][ T5494] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.529835][ T5494] invoke_syscall+0x98/0x2b8 [ 86.530542][ T5494] el0_svc_common+0x138/0x258 [ 86.531245][ T5494] do_el0_svc+0x58/0x14c [ 86.531913][ T5494] el0_svc+0x78/0x1e0 [ 86.532507][ T5494] el0t_64_sync_handler+0xcc/0xe4 [ 86.533208][ T5494] el0t_64_sync+0x1a0/0x1a4 [ 86.542711][ T5496] FAULT_INJECTION: forcing a failure. [ 86.542711][ T5496] name failslab, interval 1, probability 0, space 0, times 0 [ 86.544547][ T5496] CPU: 1 PID: 5496 Comm: syz.0.258 Tainted: G W syzkaller #0 [ 86.545769][ T5496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.547296][ T5496] Call trace: [ 86.547775][ T5496] dump_backtrace+0x0/0x43c [ 86.548434][ T5496] show_stack+0x2c/0x3c [ 86.549016][ T5496] __dump_stack+0x30/0x40 [ 86.549670][ T5496] dump_stack_lvl+0xf8/0x160 [ 86.550433][ T5496] dump_stack+0x1c/0x5c [ 86.551106][ T5496] should_fail+0x3c0/0x51c [ 86.551802][ T5496] __should_failslab+0xbc/0x10c [ 86.552598][ T5496] should_failslab+0x10/0x28 [ 86.553342][ T5496] slab_pre_alloc_hook+0x64/0xec [ 86.554074][ T5496] kmem_cache_alloc_trace+0x98/0x3fc [ 86.554832][ T5496] rand_initialize_disk+0x58/0xb8 [ 86.555602][ T5496] __alloc_disk_node+0x2a8/0x458 [ 86.556320][ T5496] __blk_mq_alloc_disk+0xe8/0x154 [ 86.557064][ T5496] loop_add+0x240/0x6e0 [ 86.557656][ T5496] loop_control_ioctl+0x128/0x4d0 [ 86.558397][ T5496] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.559183][ T5496] invoke_syscall+0x98/0x2b8 [ 86.559915][ T5496] el0_svc_common+0x138/0x258 [ 86.560608][ T5496] do_el0_svc+0x58/0x14c [ 86.561257][ T5496] el0_svc+0x78/0x1e0 [ 86.561819][ T5496] el0t_64_sync_handler+0xcc/0xe4 [ 86.562567][ T5496] el0t_64_sync+0x1a0/0x1a4 [ 86.576185][ T5498] FAULT_INJECTION: forcing a failure. [ 86.576185][ T5498] name failslab, interval 1, probability 0, space 0, times 0 [ 86.578159][ T5498] CPU: 0 PID: 5498 Comm: syz.0.259 Tainted: G W syzkaller #0 [ 86.579579][ T5498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.581102][ T5498] Call trace: [ 86.581635][ T5498] dump_backtrace+0x0/0x43c [ 86.582287][ T5498] show_stack+0x2c/0x3c [ 86.582930][ T5498] __dump_stack+0x30/0x40 [ 86.583554][ T5498] dump_stack_lvl+0xf8/0x160 [ 86.584216][ T5498] dump_stack+0x1c/0x5c [ 86.584876][ T5498] should_fail+0x3c0/0x51c [ 86.585535][ T5498] __should_failslab+0xbc/0x10c [ 86.586277][ T5498] should_failslab+0x10/0x28 [ 86.586881][ T5498] slab_pre_alloc_hook+0x64/0xec [ 86.587588][ T5498] kmem_cache_alloc+0x94/0x3e4 [ 86.588273][ T5498] __debug_object_init+0x744/0x98c [ 86.588973][ T5498] debug_object_init+0x20/0x2c [ 86.589673][ T5498] init_timer_key+0x54/0x418 [ 86.590298][ T5498] blk_iolatency_init+0x2cc/0x430 [ 86.591048][ T5498] blkcg_init_queue+0x3f0/0x484 [ 86.591794][ T5498] blk_alloc_queue+0x3cc/0x4a0 [ 86.592496][ T5498] __blk_mq_alloc_disk+0x5c/0x154 [ 86.593242][ T5498] loop_add+0x240/0x6e0 [ 86.593847][ T5498] loop_control_ioctl+0x128/0x4d0 [ 86.594559][ T5498] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.595230][ T5498] invoke_syscall+0x98/0x2b8 [ 86.595918][ T5498] el0_svc_common+0x138/0x258 [ 86.596593][ T5498] do_el0_svc+0x58/0x14c [ 86.597230][ T5498] el0_svc+0x78/0x1e0 [ 86.597784][ T5498] el0t_64_sync_handler+0xcc/0xe4 [ 86.598511][ T5498] el0t_64_sync+0x1a0/0x1a4 [ 86.610838][ T5500] FAULT_INJECTION: forcing a failure. [ 86.610838][ T5500] name failslab, interval 1, probability 0, space 0, times 0 [ 86.612826][ T5500] CPU: 0 PID: 5500 Comm: syz.0.260 Tainted: G W syzkaller #0 [ 86.614048][ T5500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.615564][ T5500] Call trace: [ 86.616111][ T5500] dump_backtrace+0x0/0x43c [ 86.616813][ T5500] show_stack+0x2c/0x3c [ 86.617463][ T5500] __dump_stack+0x30/0x40 [ 86.618088][ T5500] dump_stack_lvl+0xf8/0x160 [ 86.618722][ T5500] dump_stack+0x1c/0x5c [ 86.619306][ T5500] should_fail+0x3c0/0x51c [ 86.619970][ T5500] __should_failslab+0xbc/0x10c [ 86.620667][ T5500] should_failslab+0x10/0x28 [ 86.621320][ T5500] slab_pre_alloc_hook+0x64/0xec [ 86.622000][ T5500] kmem_cache_alloc_node_trace+0x9c/0x438 [ 86.622865][ T5500] throtl_pd_alloc+0xac/0x4ec [ 86.623503][ T5500] blkcg_activate_policy+0x204/0xa8c [ 86.624256][ T5500] blk_throtl_init+0x308/0x3ec [ 86.624889][ T5500] blkcg_init_queue+0x3cc/0x484 [ 86.625567][ T5500] blk_alloc_queue+0x3cc/0x4a0 [ 86.626244][ T5500] __blk_mq_alloc_disk+0x5c/0x154 [ 86.626964][ T5500] loop_add+0x240/0x6e0 [ 86.627573][ T5500] loop_control_ioctl+0x128/0x4d0 [ 86.628236][ T5500] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.628965][ T5500] invoke_syscall+0x98/0x2b8 [ 86.629660][ T5500] el0_svc_common+0x138/0x258 [ 86.630295][ T5500] do_el0_svc+0x58/0x14c [ 86.630859][ T5500] el0_svc+0x78/0x1e0 [ 86.631416][ T5500] el0t_64_sync_handler+0xcc/0xe4 [ 86.632120][ T5500] el0t_64_sync+0x1a0/0x1a4 [ 86.649171][ T5502] FAULT_INJECTION: forcing a failure. [ 86.649171][ T5502] name failslab, interval 1, probability 0, space 0, times 0 [ 86.651062][ T5502] CPU: 0 PID: 5502 Comm: syz.0.261 Tainted: G W syzkaller #0 [ 86.652279][ T5502] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.653750][ T5502] Call trace: [ 86.654196][ T5502] dump_backtrace+0x0/0x43c [ 86.654840][ T5502] show_stack+0x2c/0x3c [ 86.655426][ T5502] __dump_stack+0x30/0x40 [ 86.656021][ T5502] dump_stack_lvl+0xf8/0x160 [ 86.656755][ T5502] dump_stack+0x1c/0x5c [ 86.657372][ T5502] should_fail+0x3c0/0x51c [ 86.658050][ T5502] __should_failslab+0xbc/0x10c [ 86.658827][ T5502] should_failslab+0x10/0x28 [ 86.659463][ T5502] slab_pre_alloc_hook+0x64/0xec [ 86.660225][ T5502] __kmalloc_track_caller+0x74/0x370 [ 86.661089][ T5502] kstrdup+0xe4/0x15c [ 86.661665][ T5502] kstrdup_const+0x54/0x6c [ 86.662352][ T5502] kvasprintf_const+0x118/0x2d0 [ 86.663057][ T5502] kobject_set_name_vargs+0xcc/0x1b4 [ 86.663866][ T5502] dev_set_name+0xd8/0x124 [ 86.664522][ T5502] device_add_disk+0x258/0xad0 [ 86.665227][ T5502] loop_add+0x510/0x6e0 [ 86.665749][ T5502] loop_control_ioctl+0x128/0x4d0 [ 86.666434][ T5502] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.667093][ T5502] invoke_syscall+0x98/0x2b8 [ 86.667742][ T5502] el0_svc_common+0x138/0x258 [ 86.668437][ T5502] do_el0_svc+0x58/0x14c [ 86.669050][ T5502] el0_svc+0x78/0x1e0 [ 86.669627][ T5502] el0t_64_sync_handler+0xcc/0xe4 [ 86.670331][ T5502] el0t_64_sync+0x1a0/0x1a4 [ 86.678419][ T5504] FAULT_INJECTION: forcing a failure. [ 86.678419][ T5504] name failslab, interval 1, probability 0, space 0, times 0 [ 86.680387][ T5504] CPU: 1 PID: 5504 Comm: syz.0.262 Tainted: G W syzkaller #0 [ 86.681578][ T5504] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.682986][ T5504] Call trace: [ 86.683495][ T5504] dump_backtrace+0x0/0x43c [ 86.684152][ T5504] show_stack+0x2c/0x3c [ 86.684763][ T5504] __dump_stack+0x30/0x40 [ 86.685349][ T5504] dump_stack_lvl+0xf8/0x160 [ 86.686024][ T5504] dump_stack+0x1c/0x5c [ 86.686658][ T5504] should_fail+0x3c0/0x51c [ 86.687352][ T5504] __should_failslab+0xbc/0x10c [ 86.688000][ T5504] should_failslab+0x10/0x28 [ 86.688662][ T5504] slab_pre_alloc_hook+0x64/0xec [ 86.689373][ T5504] kmem_cache_alloc_trace+0x98/0x3fc [ 86.690125][ T5504] blk_iolatency_init+0x64/0x430 [ 86.690809][ T5504] blkcg_init_queue+0x3f0/0x484 [ 86.691536][ T5504] blk_alloc_queue+0x3cc/0x4a0 [ 86.692169][ T5504] __blk_mq_alloc_disk+0x5c/0x154 [ 86.692846][ T5504] loop_add+0x240/0x6e0 [ 86.693430][ T5504] loop_control_ioctl+0x128/0x4d0 [ 86.694121][ T5504] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.694839][ T5504] invoke_syscall+0x98/0x2b8 [ 86.695586][ T5504] el0_svc_common+0x138/0x258 [ 86.696277][ T5504] do_el0_svc+0x58/0x14c [ 86.696927][ T5504] el0_svc+0x78/0x1e0 [ 86.697522][ T5504] el0t_64_sync_handler+0xcc/0xe4 [ 86.698227][ T5504] el0t_64_sync+0x1a0/0x1a4 [ 86.708349][ T5506] FAULT_INJECTION: forcing a failure. [ 86.708349][ T5506] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 86.710430][ T5506] CPU: 1 PID: 5506 Comm: syz.0.263 Tainted: G W syzkaller #0 [ 86.711808][ T5506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.713289][ T5506] Call trace: [ 86.713793][ T5506] dump_backtrace+0x0/0x43c [ 86.714517][ T5506] show_stack+0x2c/0x3c [ 86.715203][ T5506] __dump_stack+0x30/0x40 [ 86.715898][ T5506] dump_stack_lvl+0xf8/0x160 [ 86.716580][ T5506] dump_stack+0x1c/0x5c [ 86.717235][ T5506] should_fail+0x3c0/0x51c [ 86.717847][ T5506] should_fail_alloc_page+0x74/0xa8 [ 86.718554][ T5506] prepare_alloc_pages+0x160/0x460 [ 86.719355][ T5506] __alloc_pages+0x108/0x470 [ 86.720057][ T5506] alloc_pages+0x34c/0x5c0 [ 86.720739][ T5506] new_slab+0xe0/0x55c [ 86.721372][ T5506] ___slab_alloc+0x6c0/0xda8 [ 86.722089][ T5506] __slab_alloc+0x68/0xc0 [ 86.722779][ T5506] kmem_cache_alloc+0x2ac/0x3e4 [ 86.723504][ T5506] bdev_alloc_inode+0x24/0x60 [ 86.724232][ T5506] new_inode_pseudo+0x68/0x1fc [ 86.724939][ T5506] new_inode+0x38/0x174 [ 86.725485][ T5506] bdev_alloc+0x30/0x1f8 [ 86.726129][ T5506] __alloc_disk_node+0xbc/0x458 [ 86.726842][ T5506] __blk_mq_alloc_disk+0xe8/0x154 [ 86.727617][ T5506] loop_add+0x240/0x6e0 [ 86.728238][ T5506] loop_control_ioctl+0x128/0x4d0 [ 86.728998][ T5506] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.729698][ T5506] invoke_syscall+0x98/0x2b8 [ 86.730390][ T5506] el0_svc_common+0x138/0x258 [ 86.731046][ T5506] do_el0_svc+0x58/0x14c [ 86.731646][ T5506] el0_svc+0x78/0x1e0 [ 86.732229][ T5506] el0t_64_sync_handler+0xcc/0xe4 [ 86.732956][ T5506] el0t_64_sync+0x1a0/0x1a4 [ 86.745842][ T5508] FAULT_INJECTION: forcing a failure. [ 86.745842][ T5508] name failslab, interval 1, probability 0, space 0, times 0 [ 86.747789][ T5508] CPU: 0 PID: 5508 Comm: syz.0.264 Tainted: G W syzkaller #0 [ 86.749108][ T5508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.750567][ T5508] Call trace: [ 86.751043][ T5508] dump_backtrace+0x0/0x43c [ 86.751692][ T5508] show_stack+0x2c/0x3c [ 86.752316][ T5508] __dump_stack+0x30/0x40 [ 86.753009][ T5508] dump_stack_lvl+0xf8/0x160 [ 86.753680][ T5508] dump_stack+0x1c/0x5c [ 86.754321][ T5508] should_fail+0x3c0/0x51c [ 86.755012][ T5508] __should_failslab+0xbc/0x10c [ 86.755797][ T5508] should_failslab+0x10/0x28 [ 86.756453][ T5508] slab_pre_alloc_hook+0x64/0xec [ 86.757248][ T5508] kmem_cache_alloc+0x94/0x3e4 [ 86.757921][ T5508] __debug_object_init+0x670/0x98c [ 86.758728][ T5508] debug_object_init+0x20/0x2c [ 86.759402][ T5508] __percpu_counter_init+0x10c/0x26c [ 86.760156][ T5508] wb_init+0x5f8/0x6ec [ 86.760757][ T5508] bdi_init+0x1b4/0x2f4 [ 86.761353][ T5508] bdi_alloc+0x6c/0x144 [ 86.762013][ T5508] __alloc_disk_node+0x8c/0x458 [ 86.762803][ T5508] __blk_mq_alloc_disk+0xe8/0x154 [ 86.763556][ T5508] loop_add+0x240/0x6e0 [ 86.764195][ T5508] loop_control_ioctl+0x128/0x4d0 [ 86.765021][ T5508] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.765746][ T5508] invoke_syscall+0x98/0x2b8 [ 86.766425][ T5508] el0_svc_common+0x138/0x258 [ 86.767145][ T5508] do_el0_svc+0x58/0x14c [ 86.767779][ T5508] el0_svc+0x78/0x1e0 [ 86.768378][ T5508] el0t_64_sync_handler+0xcc/0xe4 [ 86.769105][ T5508] el0t_64_sync+0x1a0/0x1a4 [ 86.781005][ T5510] FAULT_INJECTION: forcing a failure. [ 86.781005][ T5510] name failslab, interval 1, probability 0, space 0, times 0 [ 86.783017][ T5510] CPU: 0 PID: 5510 Comm: syz.0.265 Tainted: G W syzkaller #0 [ 86.784392][ T5510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.786003][ T5510] Call trace: [ 86.786538][ T5510] dump_backtrace+0x0/0x43c [ 86.787299][ T5510] show_stack+0x2c/0x3c [ 86.787982][ T5510] __dump_stack+0x30/0x40 [ 86.788673][ T5510] dump_stack_lvl+0xf8/0x160 [ 86.789366][ T5510] dump_stack+0x1c/0x5c [ 86.790046][ T5510] should_fail+0x3c0/0x51c [ 86.790695][ T5510] __should_failslab+0xbc/0x10c [ 86.791432][ T5510] should_failslab+0x10/0x28 [ 86.792148][ T5510] slab_pre_alloc_hook+0x64/0xec [ 86.792958][ T5510] kmem_cache_alloc_trace+0x98/0x3fc [ 86.793761][ T5510] blk_iolatency_init+0x64/0x430 [ 86.794502][ T5510] blkcg_init_queue+0x3f0/0x484 [ 86.795192][ T5510] blk_alloc_queue+0x3cc/0x4a0 [ 86.795901][ T5510] __blk_mq_alloc_disk+0x5c/0x154 [ 86.796657][ T5510] loop_add+0x240/0x6e0 [ 86.797296][ T5510] loop_control_ioctl+0x128/0x4d0 [ 86.798059][ T5510] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.798816][ T5510] invoke_syscall+0x98/0x2b8 [ 86.799561][ T5510] el0_svc_common+0x138/0x258 [ 86.800245][ T5510] do_el0_svc+0x58/0x14c [ 86.800819][ T5510] el0_svc+0x78/0x1e0 [ 86.801397][ T5510] el0t_64_sync_handler+0xcc/0xe4 [ 86.802047][ T5510] el0t_64_sync+0x1a0/0x1a4 [ 86.811270][ T5512] FAULT_INJECTION: forcing a failure. [ 86.811270][ T5512] name failslab, interval 1, probability 0, space 0, times 0 [ 86.813127][ T5512] CPU: 0 PID: 5512 Comm: syz.0.266 Tainted: G W syzkaller #0 [ 86.814351][ T5512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.815819][ T5512] Call trace: [ 86.816292][ T5512] dump_backtrace+0x0/0x43c [ 86.817030][ T5512] show_stack+0x2c/0x3c [ 86.817703][ T5512] __dump_stack+0x30/0x40 [ 86.818385][ T5512] dump_stack_lvl+0xf8/0x160 [ 86.819107][ T5512] dump_stack+0x1c/0x5c [ 86.819761][ T5512] should_fail+0x3c0/0x51c [ 86.820374][ T5512] __should_failslab+0xbc/0x10c [ 86.821142][ T5512] should_failslab+0x10/0x28 [ 86.821812][ T5512] slab_pre_alloc_hook+0x64/0xec [ 86.822542][ T5512] kmem_cache_alloc_trace+0x98/0x3fc [ 86.823258][ T5512] blk_iolatency_init+0x64/0x430 [ 86.824017][ T5512] blkcg_init_queue+0x3f0/0x484 [ 86.824738][ T5512] blk_alloc_queue+0x3cc/0x4a0 [ 86.825495][ T5512] __blk_mq_alloc_disk+0x5c/0x154 [ 86.826264][ T5512] loop_add+0x240/0x6e0 [ 86.826918][ T5512] loop_control_ioctl+0x128/0x4d0 [ 86.827681][ T5512] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.828453][ T5512] invoke_syscall+0x98/0x2b8 [ 86.829139][ T5512] el0_svc_common+0x138/0x258 [ 86.829833][ T5512] do_el0_svc+0x58/0x14c [ 86.830467][ T5512] el0_svc+0x78/0x1e0 [ 86.831034][ T5512] el0t_64_sync_handler+0xcc/0xe4 [ 86.831772][ T5512] el0t_64_sync+0x1a0/0x1a4 [ 86.841933][ T5514] FAULT_INJECTION: forcing a failure. [ 86.841933][ T5514] name failslab, interval 1, probability 0, space 0, times 0 [ 86.843815][ T5514] CPU: 0 PID: 5514 Comm: syz.0.267 Tainted: G W syzkaller #0 [ 86.845056][ T5514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.846514][ T5514] Call trace: [ 86.847024][ T5514] dump_backtrace+0x0/0x43c [ 86.847742][ T5514] show_stack+0x2c/0x3c [ 86.848319][ T5514] __dump_stack+0x30/0x40 [ 86.848930][ T5514] dump_stack_lvl+0xf8/0x160 [ 86.849576][ T5514] dump_stack+0x1c/0x5c [ 86.850181][ T5514] should_fail+0x3c0/0x51c [ 86.850857][ T5514] __should_failslab+0xbc/0x10c [ 86.851527][ T5514] should_failslab+0x10/0x28 [ 86.852123][ T5514] slab_pre_alloc_hook+0x64/0xec [ 86.852870][ T5514] kmem_cache_alloc+0x94/0x3e4 [ 86.853554][ T5514] security_inode_alloc+0x38/0x11c [ 86.854305][ T5514] inode_init_always+0x670/0xa84 [ 86.855003][ T5514] new_inode_pseudo+0x7c/0x1fc [ 86.855780][ T5514] new_inode+0x38/0x174 [ 86.856366][ T5514] bdev_alloc+0x30/0x1f8 [ 86.856995][ T5514] __alloc_disk_node+0xbc/0x458 [ 86.857796][ T5514] __blk_mq_alloc_disk+0xe8/0x154 [ 86.858537][ T5514] loop_add+0x240/0x6e0 [ 86.859189][ T5514] loop_control_ioctl+0x128/0x4d0 [ 86.860006][ T5514] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.860685][ T5514] invoke_syscall+0x98/0x2b8 [ 86.861361][ T5514] el0_svc_common+0x138/0x258 [ 86.862020][ T5514] do_el0_svc+0x58/0x14c [ 86.862620][ T5514] el0_svc+0x78/0x1e0 [ 86.863228][ T5514] el0t_64_sync_handler+0xcc/0xe4 [ 86.863917][ T5514] el0t_64_sync+0x1a0/0x1a4 [ 86.873469][ T5516] FAULT_INJECTION: forcing a failure. [ 86.873469][ T5516] name failslab, interval 1, probability 0, space 0, times 0 [ 86.875430][ T5516] CPU: 0 PID: 5516 Comm: syz.0.268 Tainted: G W syzkaller #0 [ 86.876749][ T5516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.878206][ T5516] Call trace: [ 86.878722][ T5516] dump_backtrace+0x0/0x43c [ 86.879342][ T5516] show_stack+0x2c/0x3c [ 86.879930][ T5516] __dump_stack+0x30/0x40 [ 86.880540][ T5516] dump_stack_lvl+0xf8/0x160 [ 86.881178][ T5516] dump_stack+0x1c/0x5c [ 86.881725][ T5516] should_fail+0x3c0/0x51c [ 86.882324][ T5516] __should_failslab+0xbc/0x10c [ 86.883070][ T5516] should_failslab+0x10/0x28 [ 86.883708][ T5516] slab_pre_alloc_hook+0x64/0xec [ 86.884387][ T5516] __kmalloc_track_caller+0x74/0x370 [ 86.885145][ T5516] kstrdup+0xe4/0x15c [ 86.885728][ T5516] kstrdup_const+0x54/0x6c [ 86.886332][ T5516] kvasprintf_const+0x118/0x2d0 [ 86.886958][ T5516] kobject_set_name_vargs+0xcc/0x1b4 [ 86.887730][ T5516] dev_set_name+0xd8/0x124 [ 86.888321][ T5516] device_add_disk+0x258/0xad0 [ 86.889011][ T5516] loop_add+0x510/0x6e0 [ 86.889620][ T5516] loop_control_ioctl+0x128/0x4d0 [ 86.890360][ T5516] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.891080][ T5516] invoke_syscall+0x98/0x2b8 [ 86.891742][ T5516] el0_svc_common+0x138/0x258 [ 86.892350][ T5516] do_el0_svc+0x58/0x14c [ 86.892940][ T5516] el0_svc+0x78/0x1e0 [ 86.893491][ T5516] el0t_64_sync_handler+0xcc/0xe4 [ 86.894237][ T5516] el0t_64_sync+0x1a0/0x1a4 [ 86.904473][ T5518] FAULT_INJECTION: forcing a failure. [ 86.904473][ T5518] name failslab, interval 1, probability 0, space 0, times 0 [ 86.906625][ T5518] CPU: 0 PID: 5518 Comm: syz.0.269 Tainted: G W syzkaller #0 [ 86.907933][ T5518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.909375][ T5518] Call trace: [ 86.909821][ T5518] dump_backtrace+0x0/0x43c [ 86.910508][ T5518] show_stack+0x2c/0x3c [ 86.911137][ T5518] __dump_stack+0x30/0x40 [ 86.911790][ T5518] dump_stack_lvl+0xf8/0x160 [ 86.912488][ T5518] dump_stack+0x1c/0x5c [ 86.913141][ T5518] should_fail+0x3c0/0x51c [ 86.913759][ T5518] __should_failslab+0xbc/0x10c [ 86.914496][ T5518] should_failslab+0x10/0x28 [ 86.915209][ T5518] slab_pre_alloc_hook+0x64/0xec [ 86.916013][ T5518] kmem_cache_alloc_trace+0x98/0x3fc [ 86.916846][ T5518] rand_initialize_disk+0x58/0xb8 [ 86.917529][ T5518] __alloc_disk_node+0x2a8/0x458 [ 86.918278][ T5518] __blk_mq_alloc_disk+0xe8/0x154 [ 86.919018][ T5518] loop_add+0x240/0x6e0 [ 86.919619][ T5518] loop_control_ioctl+0x128/0x4d0 [ 86.920316][ T5518] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.921060][ T5518] invoke_syscall+0x98/0x2b8 [ 86.921721][ T5518] el0_svc_common+0x138/0x258 [ 86.922394][ T5518] do_el0_svc+0x58/0x14c [ 86.922996][ T5518] el0_svc+0x78/0x1e0 [ 86.923528][ T5518] el0t_64_sync_handler+0xcc/0xe4 [ 86.924209][ T5518] el0t_64_sync+0x1a0/0x1a4 [ 86.937111][ T5520] FAULT_INJECTION: forcing a failure. [ 86.937111][ T5520] name failslab, interval 1, probability 0, space 0, times 0 [ 86.939057][ T5520] CPU: 0 PID: 5520 Comm: syz.0.270 Tainted: G W syzkaller #0 [ 86.940332][ T5520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.941690][ T5520] Call trace: [ 86.942161][ T5520] dump_backtrace+0x0/0x43c [ 86.942768][ T5520] show_stack+0x2c/0x3c [ 86.943359][ T5520] __dump_stack+0x30/0x40 [ 86.943967][ T5520] dump_stack_lvl+0xf8/0x160 [ 86.944632][ T5520] dump_stack+0x1c/0x5c [ 86.945254][ T5520] should_fail+0x3c0/0x51c [ 86.945881][ T5520] __should_failslab+0xbc/0x10c [ 86.946598][ T5520] should_failslab+0x10/0x28 [ 86.947260][ T5520] slab_pre_alloc_hook+0x64/0xec [ 86.947944][ T5520] __kmalloc_track_caller+0x74/0x370 [ 86.948721][ T5520] kstrdup+0xe4/0x15c [ 86.949303][ T5520] kstrdup_const+0x54/0x6c [ 86.949945][ T5520] kvasprintf_const+0x118/0x2d0 [ 86.950662][ T5520] kobject_set_name_vargs+0xcc/0x1b4 [ 86.951420][ T5520] dev_set_name+0xd8/0x124 [ 86.952051][ T5520] device_add_disk+0x258/0xad0 [ 86.952765][ T5520] loop_add+0x510/0x6e0 [ 86.953398][ T5520] loop_control_ioctl+0x128/0x4d0 [ 86.954106][ T5520] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.954805][ T5520] invoke_syscall+0x98/0x2b8 [ 86.955477][ T5520] el0_svc_common+0x138/0x258 [ 86.956131][ T5520] do_el0_svc+0x58/0x14c [ 86.956780][ T5520] el0_svc+0x78/0x1e0 [ 86.957366][ T5520] el0t_64_sync_handler+0xcc/0xe4 [ 86.958095][ T5520] el0t_64_sync+0x1a0/0x1a4 [ 86.970602][ T5522] FAULT_INJECTION: forcing a failure. [ 86.970602][ T5522] name failslab, interval 1, probability 0, space 0, times 0 [ 86.972503][ T5522] CPU: 1 PID: 5522 Comm: syz.0.271 Tainted: G W syzkaller #0 [ 86.973603][ T5522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.975054][ T5522] Call trace: [ 86.975513][ T5522] dump_backtrace+0x0/0x43c [ 86.976182][ T5522] show_stack+0x2c/0x3c [ 86.976794][ T5522] __dump_stack+0x30/0x40 [ 86.977360][ T5522] dump_stack_lvl+0xf8/0x160 [ 86.978015][ T5522] dump_stack+0x1c/0x5c [ 86.978600][ T5522] should_fail+0x3c0/0x51c [ 86.979212][ T5522] __should_failslab+0xbc/0x10c [ 86.979929][ T5522] should_failslab+0x10/0x28 [ 86.980568][ T5522] slab_pre_alloc_hook+0x64/0xec [ 86.981298][ T5522] kmem_cache_alloc+0x94/0x3e4 [ 86.981980][ T5522] __debug_object_init+0x684/0x98c [ 86.982741][ T5522] debug_object_init+0x20/0x2c [ 86.983441][ T5522] init_timer_key+0x54/0x418 [ 86.984088][ T5522] blk_mq_init_allocated_queue+0x6a0/0x158c [ 86.985006][ T5522] __blk_mq_alloc_disk+0x88/0x154 [ 86.985777][ T5522] loop_add+0x240/0x6e0 [ 86.986412][ T5522] loop_control_ioctl+0x128/0x4d0 [ 86.987101][ T5522] __arm64_sys_ioctl+0x14c/0x1c8 [ 86.987820][ T5522] invoke_syscall+0x98/0x2b8 [ 86.988513][ T5522] el0_svc_common+0x138/0x258 [ 86.989194][ T5522] do_el0_svc+0x58/0x14c [ 86.989805][ T5522] el0_svc+0x78/0x1e0 [ 86.990419][ T5522] el0t_64_sync_handler+0xcc/0xe4 [ 86.991147][ T5522] el0t_64_sync+0x1a0/0x1a4 [ 87.004221][ T5524] FAULT_INJECTION: forcing a failure. [ 87.004221][ T5524] name failslab, interval 1, probability 0, space 0, times 0 [ 87.006145][ T5524] CPU: 0 PID: 5524 Comm: syz.0.272 Tainted: G W syzkaller #0 [ 87.007408][ T5524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.008831][ T5524] Call trace: [ 87.009279][ T5524] dump_backtrace+0x0/0x43c [ 87.009988][ T5524] show_stack+0x2c/0x3c [ 87.010579][ T5524] __dump_stack+0x30/0x40 [ 87.011211][ T5524] dump_stack_lvl+0xf8/0x160 [ 87.011860][ T5524] dump_stack+0x1c/0x5c [ 87.012443][ T5524] should_fail+0x3c0/0x51c [ 87.013042][ T5524] __should_failslab+0xbc/0x10c [ 87.013733][ T5524] should_failslab+0x10/0x28 [ 87.014397][ T5524] slab_pre_alloc_hook+0x64/0xec [ 87.015094][ T5524] kmem_cache_alloc+0x94/0x3e4 [ 87.015773][ T5524] __debug_object_init+0x75c/0x98c [ 87.016497][ T5524] debug_object_init+0x20/0x2c [ 87.017188][ T5524] __percpu_counter_init+0x10c/0x26c [ 87.017986][ T5524] blkg_rwstat_init+0xa0/0x2b8 [ 87.018691][ T5524] throtl_pd_alloc+0xc0/0x4ec [ 87.019385][ T5524] blkcg_activate_policy+0x204/0xa8c [ 87.020161][ T5524] blk_throtl_init+0x308/0x3ec [ 87.020866][ T5524] blkcg_init_queue+0x3cc/0x484 [ 87.021586][ T5524] blk_alloc_queue+0x3cc/0x4a0 [ 87.022242][ T5524] __blk_mq_alloc_disk+0x5c/0x154 [ 87.022970][ T5524] loop_add+0x240/0x6e0 [ 87.023588][ T5524] loop_control_ioctl+0x128/0x4d0 [ 87.024630][ T5524] __arm64_sys_ioctl+0x14c/0x1c8 [ 87.025402][ T5524] invoke_syscall+0x98/0x2b8 [ 87.026076][ T5524] el0_svc_common+0x138/0x258 [ 87.026750][ T5524] do_el0_svc+0x58/0x14c [ 87.027434][ T5524] el0_svc+0x78/0x1e0 [ 87.028047][ T5524] el0t_64_sync_handler+0xcc/0xe4 [ 87.028790][ T5524] el0t_64_sync+0x1a0/0x1a4 [ 87.041035][ T5526] FAULT_INJECTION: forcing a failure. [ 87.041035][ T5526] name failslab, interval 1, probability 0, space 0, times 0 [ 87.043011][ T5526] CPU: 0 PID: 5526 Comm: syz.0.273 Tainted: G W syzkaller #0 [ 87.044316][ T5526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.045748][ T5526] Call trace: [ 87.046244][ T5526] dump_backtrace+0x0/0x43c [ 87.046944][ T5526] show_stack+0x2c/0x3c [ 87.047555][ T5526] __dump_stack+0x30/0x40 [ 87.048220][ T5526] dump_stack_lvl+0xf8/0x160 [ 87.048864][ T5526] dump_stack+0x1c/0x5c [ 87.049451][ T5526] should_fail+0x3c0/0x51c [ 87.050102][ T5526] __should_failslab+0xbc/0x10c [ 87.050798][ T5526] should_failslab+0x10/0x28 [ 87.051518][ T5526] slab_pre_alloc_hook+0x64/0xec [ 87.052259][ T5526] kmem_cache_alloc_trace+0x98/0x3fc [ 87.053059][ T5526] blk_iolatency_init+0x64/0x430 [ 87.053815][ T5526] blkcg_init_queue+0x3f0/0x484 [ 87.054570][ T5526] blk_alloc_queue+0x3cc/0x4a0 [ 87.055238][ T5526] __blk_mq_alloc_disk+0x5c/0x154 [ 87.056018][ T5526] loop_add+0x240/0x6e0 [ 87.056578][ T5526] loop_control_ioctl+0x128/0x4d0 [ 87.057346][ T5526] __arm64_sys_ioctl+0x14c/0x1c8 [ 87.058069][ T5526] invoke_syscall+0x98/0x2b8 [ 87.058812][ T5526] el0_svc_common+0x138/0x258 [ 87.059589][ T5526] do_el0_svc+0x58/0x14c [ 87.060325][ T5526] el0_svc+0x78/0x1e0 [ 87.060919][ T5526] el0t_64_sync_handler+0xcc/0xe4 [ 87.061778][ T5526] el0t_64_sync+0x1a0/0x1a4 [ 87.071573][ T5528] FAULT_INJECTION: forcing a failure. [ 87.071573][ T5528] name failslab, interval 1, probability 0, space 0, times 0 [ 87.073663][ T5528] CPU: 1 PID: 5528 Comm: syz.0.274 Tainted: G W syzkaller #0 [ 87.074894][ T5528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.076341][ T5528] Call trace: [ 87.076909][ T5528] dump_backtrace+0x0/0x43c [ 87.077676][ T5528] show_stack+0x2c/0x3c [ 87.078399][ T5528] __dump_stack+0x30/0x40 [ 87.079064][ T5528] dump_stack_lvl+0xf8/0x160 [ 87.079771][ T5528] dump_stack+0x1c/0x5c [ 87.080404][ T5528] should_fail+0x3c0/0x51c [ 87.081107][ T5528] __should_failslab+0xbc/0x10c [ 87.081880][ T5528] should_failslab+0x10/0x28 [ 87.082581][ T5528] slab_pre_alloc_hook+0x64/0xec [ 87.083289][ T5528] kmem_cache_alloc_trace+0x98/0x3fc [ 87.084005][ T5528] blk_iolatency_init+0x64/0x430 [ 87.084687][ T5528] blkcg_init_queue+0x3f0/0x484 [ 87.085362][ T5528] blk_alloc_queue+0x3cc/0x4a0 [ 87.086021][ T5528] __blk_mq_alloc_disk+0x5c/0x154 [ 87.086769][ T5528] loop_add+0x240/0x6e0 [ 87.087349][ T5528] loop_control_ioctl+0x128/0x4d0 [ 87.088099][ T5528] __arm64_sys_ioctl+0x14c/0x1c8 [ 87.088790][ T5528] invoke_syscall+0x98/0x2b8 [ 87.089483][ T5528] el0_svc_common+0x138/0x258 [ 87.090174][ T5528] do_el0_svc+0x58/0x14c [ 87.090802][ T5528] el0_svc+0x78/0x1e0 [ 87.091342][ T5528] el0t_64_sync_handler+0xcc/0xe4 [ 87.092115][ T5528] el0t_64_sync+0x1a0/0x1a4 [ 87.100677][ T5530] FAULT_INJECTION: forcing a failure. [ 87.100677][ T5530] name failslab, interval 1, probability 0, space 0, times 0 [ 87.102646][ T5530] CPU: 0 PID: 5530 Comm: syz.0.275 Tainted: G W syzkaller #0 [ 87.103928][ T5530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.105437][ T5530] Call trace: [ 87.105931][ T5530] dump_backtrace+0x0/0x43c [ 87.106607][ T5530] show_stack+0x2c/0x3c [ 87.107203][ T5530] __dump_stack+0x30/0x40 [ 87.107835][ T5530] dump_stack_lvl+0xf8/0x160 [ 87.108507][ T5530] dump_stack+0x1c/0x5c [ 87.109068][ T5530] should_fail+0x3c0/0x51c [ 87.109687][ T5530] __should_failslab+0xbc/0x10c [ 87.110381][ T5530] should_failslab+0x10/0x28 [ 87.111019][ T5530] slab_pre_alloc_hook+0x64/0xec [ 87.111780][ T5530] __kmalloc_track_caller+0x74/0x370 [ 87.112553][ T5530] kstrdup+0xe4/0x15c [ 87.113130][ T5530] kstrdup_const+0x54/0x6c [ 87.113779][ T5530] kvasprintf_const+0x118/0x2d0 [ 87.114474][ T5530] kobject_set_name_vargs+0xcc/0x1b4 [ 87.115249][ T5530] dev_set_name+0xd8/0x124 [ 87.115886][ T5530] device_add_disk+0x258/0xad0 [ 87.116599][ T5530] loop_add+0x510/0x6e0 [ 87.117241][ T5530] loop_control_ioctl+0x128/0x4d0 [ 87.118029][ T5530] __arm64_sys_ioctl+0x14c/0x1c8 [ 87.118763][ T5530] invoke_syscall+0x98/0x2b8 [ 87.119459][ T5530] el0_svc_common+0x138/0x258 [ 87.120127][ T5530] do_el0_svc+0x58/0x14c [ 87.120734][ T5530] el0_svc+0x78/0x1e0 [ 87.121298][ T5530] el0t_64_sync_handler+0xcc/0xe4 [ 87.122038][ T5530] el0t_64_sync+0x1a0/0x1a4 [ 87.132074][ T5532] FAULT_INJECTION: forcing a failure. [ 87.132074][ T5532] name failslab, interval 1, probability 0, space 0, times 0 [ 87.134004][ T5532] CPU: 1 PID: 5532 Comm: syz.0.276 Tainted: G W syzkaller #0 [ 87.135227][ T5532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.136752][ T5532] Call trace: [ 87.137229][ T5532] dump_backtrace+0x0/0x43c [ 87.137857][ T5532] show_stack+0x2c/0x3c [ 87.138454][ T5532] __dump_stack+0x30/0x40 [ 87.139052][ T5532] dump_stack_lvl+0xf8/0x160 [ 87.139727][ T5532] dump_stack+0x1c/0x5c [ 87.140309][ T5532] should_fail+0x3c0/0x51c [ 87.140943][ T5532] __should_failslab+0xbc/0x10c [ 87.141662][ T5532] should_failslab+0x10/0x28 [ 87.142312][ T5532] slab_pre_alloc_hook+0x64/0xec [ 87.143042][ T5532] kmem_cache_alloc_trace+0x98/0x3fc [ 87.143846][ T5532] rand_initialize_disk+0x58/0xb8 [ 87.144612][ T5532] __alloc_disk_node+0x2a8/0x458 [ 87.145354][ T5532] __blk_mq_alloc_disk+0xe8/0x154 [ 87.146058][ T5532] loop_add+0x240/0x6e0 [ 87.146708][ T5532] loop_control_ioctl+0x128/0x4d0 [ 87.147430][ T5532] __arm64_sys_ioctl+0x14c/0x1c8 [ 87.148152][ T5532] invoke_syscall+0x98/0x2b8 [ 87.148852][ T5532] el0_svc_common+0x138/0x258 [ 87.149541][ T5532] do_el0_svc+0x58/0x14c [ 87.150185][ T5532] el0_svc+0x78/0x1e0 [ 87.150744][ T5532] el0t_64_sync_handler+0xcc/0xe4 [ 87.151442][ T5532] el0t_64_sync+0x1a0/0x1a4 [ 87.164075][ T5534] FAULT_INJECTION: forcing a failure. [ 87.164075][ T5534] name failslab, interval 1, probability 0, space 0, times 0 [ 87.166250][ T5534] CPU: 0 PID: 5534 Comm: syz.0.277 Tainted: G W syzkaller #0 [ 87.167610][ T5534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.169069][ T5534] Call trace: [ 87.169507][ T5534] dump_backtrace+0x0/0x43c [ 87.170209][ T5534] show_stack+0x2c/0x3c [ 87.170851][ T5534] __dump_stack+0x30/0x40 [ 87.171452][ T5534] dump_stack_lvl+0xf8/0x160 [ 87.172153][ T5534] dump_stack+0x1c/0x5c [ 87.172747][ T5534] should_fail+0x3c0/0x51c [ 87.173419][ T5534] __should_failslab+0xbc/0x10c [ 87.174095][ T5534] should_failslab+0x10/0x28 [ 87.174767][ T5534] slab_pre_alloc_hook+0x64/0xec [ 87.175463][ T5534] kmem_cache_alloc_trace+0x98/0x3fc [ 87.176233][ T5534] blk_iolatency_init+0x64/0x430 [ 87.176974][ T5534] blkcg_init_queue+0x3f0/0x484 [ 87.177729][ T5534] blk_alloc_queue+0x3cc/0x4a0 [ 87.178423][ T5534] __blk_mq_alloc_disk+0x5c/0x154 [ 87.179126][ T5534] loop_add+0x240/0x6e0 [ 87.179697][ T5534] loop_control_ioctl+0x128/0x4d0 [ 87.180414][ T5534] __arm64_sys_ioctl+0x14c/0x1c8 [ 87.181087][ T5534] invoke_syscall+0x98/0x2b8 [ 87.181759][ T5534] el0_svc_common+0x138/0x258 [ 87.182425][ T5534] do_el0_svc+0x58/0x14c [ 87.182972][ T5534] el0_svc+0x78/0x1e0 [ 87.183539][ T5534] el0t_64_sync_handler+0xcc/0xe4 [ 87.184313][ T5534] el0t_64_sync+0x1a0/0x1a4 [ 87.194483][ T5536] FAULT_INJECTION: forcing a failure. [ 87.194483][ T5536] name failslab, interval 1, probability 0, space 0, times 0 [ 87.196727][ T5536] CPU: 1 PID: 5536 Comm: syz.0.278 Tainted: G W syzkaller #0 [ 87.197929][ T5536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.199347][ T5536] Call trace: [ 87.199856][ T5536] dump_backtrace+0x0/0x43c [ 87.200547][ T5536] show_stack+0x2c/0x3c [ 87.201198][ T5536] __dump_stack+0x30/0x40 [ 87.201821][ T5536] dump_stack_lvl+0xf8/0x160 [ 87.202522][ T5536] dump_stack+0x1c/0x5c [ 87.203213][ T5536] should_fail+0x3c0/0x51c [ 87.203952][ T5536] __should_failslab+0xbc/0x10c [ 87.204732][ T5536] should_failslab+0x10/0x28 [ 87.205449][ T5536] slab_pre_alloc_hook+0x64/0xec [ 87.206253][ T5536] kmem_cache_alloc+0x94/0x3e4 [ 87.206984][ T5536] __debug_object_init+0x65c/0x98c [ 87.207770][ T5536] debug_object_init+0x20/0x2c [ 87.208482][ T5536] init_timer_key+0x54/0x418 [ 87.209148][ T5536] bdi_alloc+0x114/0x144 [ 87.209730][ T5536] __alloc_disk_node+0x8c/0x458 [ 87.210403][ T5536] __blk_mq_alloc_disk+0xe8/0x154 [ 87.211087][ T5536] loop_add+0x240/0x6e0 [ 87.211699][ T5536] loop_control_ioctl+0x128/0x4d0 [ 87.212485][ T5536] __arm64_sys_ioctl+0x14c/0x1c8 [ 87.213198][ T5536] invoke_syscall+0x98/0x2b8 [ 87.213859][ T5536] el0_svc_common+0x138/0x258 [ 87.214608][ T5536] do_el0_svc+0x58/0x14c [ 87.215222][ T5536] el0_svc+0x78/0x1e0 [ 87.215819][ T5536] el0t_64_sync_handler+0xcc/0xe4 [ 87.216551][ T5536] el0t_64_sync+0x1a0/0x1a4 [ 87.228070][ T5538] FAULT_INJECTION: forcing a failure. [ 87.228070][ T5538] name failslab, interval 1, probability 0, space 0, times 0 [ 87.230170][ T5538] CPU: 0 PID: 5538 Comm: syz.0.279 Tainted: G W syzkaller #0 [ 87.231452][ T5538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.232838][ T5538] Call trace: [ 87.233303][ T5538] dump_backtrace+0x0/0x43c [ 87.233958][ T5538] show_stack+0x2c/0x3c [ 87.234575][ T5538] __dump_stack+0x30/0x40 [ 87.235234][ T5538] dump_stack_lvl+0xf8/0x160 [ 87.235941][ T5538] dump_stack+0x1c/0x5c [ 87.236533][ T5538] should_fail+0x3c0/0x51c [ 87.237247][ T5538] __should_failslab+0xbc/0x10c [ 87.237964][ T5538] should_failslab+0x10/0x28 [ 87.238647][ T5538] slab_pre_alloc_hook+0x64/0xec [ 87.239382][ T5538] kmem_cache_alloc_trace+0x98/0x3fc [ 87.240203][ T5538] blk_iolatency_init+0x64/0x430 [ 87.240937][ T5538] blkcg_init_queue+0x3f0/0x484 [ 87.241688][ T5538] blk_alloc_queue+0x3cc/0x4a0 [ 87.242397][ T5538] __blk_mq_alloc_disk+0x5c/0x154 [ 87.243175][ T5538] loop_add+0x240/0x6e0 [ 87.243801][ T5538] loop_control_ioctl+0x128/0x4d0 [ 87.244585][ T5538] __arm64_sys_ioctl+0x14c/0x1c8 [ 87.245339][ T5538] invoke_syscall+0x98/0x2b8 [ 87.246060][ T5538] el0_svc_common+0x138/0x258 [ 87.246762][ T5538] do_el0_svc+0x58/0x14c [ 87.247482][ T5538] el0_svc+0x78/0x1e0 [ 87.248134][ T5538] el0t_64_sync_handler+0xcc/0xe4 [ 87.248936][ T5538] el0t_64_sync+0x1a0/0x1a4 [ 87.260448][ T5540] FAULT_INJECTION: forcing a failure. [ 87.260448][ T5540] name failslab, interval 1, probability 0, space 0, times 0 [ 87.262580][ T5540] CPU: 0 PID: 5540 Comm: syz.0.280 Tainted: G W syzkaller #0 [ 87.264073][ T5540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.265588][ T5540] Call trace: [ 87.266082][ T5540] dump_backtrace+0x0/0x43c [ 87.266743][ T5540] show_stack+0x2c/0x3c [ 87.267388][ T5540] __dump_stack+0x30/0x40 [ 87.267997][ T5540] dump_stack_lvl+0xf8/0x160 [ 87.268589][ T5540] dump_stack+0x1c/0x5c [ 87.269207][ T5540] should_fail+0x3c0/0x51c [ 87.269834][ T5540] __should_failslab+0xbc/0x10c [ 87.270548][ T5540] should_failslab+0x10/0x28 [ 87.271267][ T5540] slab_pre_alloc_hook+0x64/0xec [ 87.271929][ T5540] kmem_cache_alloc+0x94/0x3e4 [ 87.272591][ T5540] __debug_object_init+0x684/0x98c [ 87.273345][ T5540] debug_object_init+0x20/0x2c [ 87.274007][ T5540] __init_work+0x58/0x68 [ 87.274614][ T5540] blk_mq_init_allocated_queue+0x3a0/0x158c [ 87.275464][ T5540] __blk_mq_alloc_disk+0x88/0x154 [ 87.276213][ T5540] loop_add+0x240/0x6e0 [ 87.276828][ T5540] loop_control_ioctl+0x128/0x4d0 [ 87.277562][ T5540] __arm64_sys_ioctl+0x14c/0x1c8 [ 87.278311][ T5540] invoke_syscall+0x98/0x2b8 [ 87.279016][ T5540] el0_svc_common+0x138/0x258 [ 87.279685][ T5540] do_el0_svc+0x58/0x14c [ 87.280287][ T5540] el0_svc+0x78/0x1e0 [ 87.280874][ T5540] el0t_64_sync_handler+0xcc/0xe4 [ 87.281624][ T5540] el0t_64_sync+0x1a0/0x1a4 [ 87.294140][ T5542] FAULT_INJECTION: forcing a failure. [ 87.294140][ T5542] name failslab, interval 1, probability 0, space 0, times 0 [ 87.296218][ T5542] CPU: 0 PID: 5542 Comm: syz.0.281 Tainted: G W syzkaller #0 [ 87.297609][ T5542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.299187][ T5542] Call trace: [ 87.299656][ T5542] dump_backtrace+0x0/0x43c [ 87.300327][ T5542] show_stack+0x2c/0x3c [ 87.300944][ T5542] __dump_stack+0x30/0x40 [ 87.301596][ T5542] dump_stack_lvl+0xf8/0x160 [ 87.302292][ T5542] dump_stack+0x1c/0x5c [ 87.302879][ T5542] should_fail+0x3c0/0x51c [ 87.303521][ T5542] __should_failslab+0xbc/0x10c [ 87.304233][ T5542] should_failslab+0x10/0x28 [ 87.304883][ T5542] slab_pre_alloc_hook+0x64/0xec [ 87.305644][ T5542] kmem_cache_alloc+0x94/0x3e4 [ 87.306296][ T5542] __debug_object_init+0x744/0x98c [ 87.306997][ T5542] debug_object_init+0x20/0x2c [ 87.307666][ T5542] init_timer_key+0x54/0x418 [ 87.308314][ T5542] throtl_pd_alloc+0x1d4/0x4ec [ 87.309006][ T5542] blkcg_activate_policy+0x204/0xa8c [ 87.309729][ T5542] blk_throtl_init+0x308/0x3ec [ 87.310399][ T5542] blkcg_init_queue+0x3cc/0x484 [ 87.311093][ T5542] blk_alloc_queue+0x3cc/0x4a0 [ 87.311785][ T5542] __blk_mq_alloc_disk+0x5c/0x154 [ 87.312489][ T5542] loop_add+0x240/0x6e0 [ 87.313093][ T5542] loop_control_ioctl+0x128/0x4d0 [ 87.313874][ T5542] __arm64_sys_ioctl+0x14c/0x1c8 [ 87.314661][ T5542] invoke_syscall+0x98/0x2b8 [ 87.315312][ T5542] el0_svc_common+0x138/0x258 [ 87.316030][ T5542] do_el0_svc+0x58/0x14c [ 87.316623][ T5542] el0_svc+0x78/0x1e0 [ 87.317193][ T5542] el0t_64_sync_handler+0xcc/0xe4 [ 87.317994][ T5542] el0t_64_sync+0x1a0/0x1a4 [ 87.330030][ T5544] FAULT_INJECTION: forcing a failure. [ 87.330030][ T5544] name failslab, interval 1, probability 0, space 0, times 0 [ 87.332077][ T5544] CPU: 1 PID: 5544 Comm: syz.0.282 Tainted: G W syzkaller #0 [ 87.333367][ T5544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.334912][ T5544] Call trace: [ 87.335395][ T5544] dump_backtrace+0x0/0x43c [ 87.336050][ T5544] show_stack+0x2c/0x3c [ 87.336698][ T5544] __dump_stack+0x30/0x40 [ 87.337410][ T5544] dump_stack_lvl+0xf8/0x160 [ 87.338088][ T5544] dump_stack+0x1c/0x5c [ 87.338708][ T5544] should_fail+0x3c0/0x51c [ 87.339349][ T5544] __should_failslab+0xbc/0x10c [ 87.340067][ T5544] should_failslab+0x10/0x28 [ 87.340698][ T5544] slab_pre_alloc_hook+0x64/0xec [ 87.341403][ T5544] kmem_cache_alloc+0x94/0x3e4 [ 87.342072][ T5544] __debug_object_init+0x6e8/0x98c [ 87.342840][ T5544] debug_object_init+0x20/0x2c [ 87.343461][ T5544] init_timer_key+0x54/0x418 [ 87.344106][ T5544] blk_mq_realloc_hw_ctxs+0x514/0x133c [ 87.344890][ T5544] blk_mq_init_allocated_queue+0x36c/0x158c [ 87.345697][ T5544] __blk_mq_alloc_disk+0x88/0x154 [ 87.346433][ T5544] loop_add+0x240/0x6e0 [ 87.347054][ T5544] loop_control_ioctl+0x128/0x4d0 [ 87.347859][ T5544] __arm64_sys_ioctl+0x14c/0x1c8 [ 87.348584][ T5544] invoke_syscall+0x98/0x2b8 [ 87.349277][ T5544] el0_svc_common+0x138/0x258 [ 87.350038][ T5544] do_el0_svc+0x58/0x14c [ 87.350657][ T5544] el0_svc+0x78/0x1e0 [ 87.351232][ T5544] el0t_64_sync_handler+0xcc/0xe4 [ 87.351918][ T5544] el0t_64_sync+0x1a0/0x1a4 [ 87.370037][ T5546] FAULT_INJECTION: forcing a failure. [ 87.370037][ T5546] name failslab, interval 1, probability 0, space 0, times 0 [ 87.371987][ T5546] CPU: 0 PID: 5546 Comm: syz.0.283 Tainted: G W syzkaller #0 [ 87.373317][ T5546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.374894][ T5546] Call trace: [ 87.375385][ T5546] dump_backtrace+0x0/0x43c [ 87.376020][ T5546] show_stack+0x2c/0x3c [ 87.376647][ T5546] __dump_stack+0x30/0x40 [ 87.377275][ T5546] dump_stack_lvl+0xf8/0x160 [ 87.377980][ T5546] dump_stack+0x1c/0x5c [ 87.378587][ T5546] should_fail+0x3c0/0x51c [ 87.379212][ T5546] __should_failslab+0xbc/0x10c [ 87.379921][ T5546] should_failslab+0x10/0x28 [ 87.380640][ T5546] slab_pre_alloc_hook+0x64/0xec [ 87.381375][ T5546] __kmalloc_track_caller+0x74/0x370 [ 87.382162][ T5546] kstrdup+0xe4/0x15c [ 87.382740][ T5546] kstrdup_const+0x54/0x6c [ 87.383378][ T5546] kvasprintf_const+0x118/0x2d0 [ 87.384109][ T5546] kobject_set_name_vargs+0xcc/0x1b4 [ 87.384961][ T5546] dev_set_name+0xd8/0x124 [ 87.385643][ T5546] device_add_disk+0x258/0xad0 [ 87.386304][ T5546] loop_add+0x510/0x6e0 [ 87.386917][ T5546] loop_control_ioctl+0x128/0x4d0 [ 87.387597][ T5546] __arm64_sys_ioctl+0x14c/0x1c8 [ 87.388270][ T5546] invoke_syscall+0x98/0x2b8 [ 87.388945][ T5546] el0_svc_common+0x138/0x258 [ 87.389586][ T5546] do_el0_svc+0x58/0x14c [ 87.390205][ T5546] el0_svc+0x78/0x1e0 [ 87.390804][ T5546] el0t_64_sync_handler+0xcc/0xe4 [ 87.391548][ T5546] el0t_64_sync+0x1a0/0x1a4 [ 87.400328][ T5548] FAULT_INJECTION: forcing a failure. [ 87.400328][ T5548] name failslab, interval 1, probability 0, space 0, times 0 [ 87.402314][ T5548] CPU: 0 PID: 5548 Comm: syz.0.284 Tainted: G W syzkaller #0 [ 87.403561][ T5548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.405091][ T5548] Call trace: [ 87.405573][ T5548] dump_backtrace+0x0/0x43c [ 87.406287][ T5548] show_stack+0x2c/0x3c [ 87.406925][ T5548] __dump_stack+0x30/0x40 [ 87.407589][ T5548] dump_stack_lvl+0xf8/0x160 [ 87.408322][ T5548] dump_stack+0x1c/0x5c [ 87.408989][ T5548] should_fail+0x3c0/0x51c [ 87.409594][ T5548] __should_failslab+0xbc/0x10c [ 87.410259][ T5548] should_failslab+0x10/0x28 [ 87.410932][ T5548] slab_pre_alloc_hook+0x64/0xec [ 87.411606][ T5548] kmem_cache_alloc+0x94/0x3e4 [ 87.412263][ T5548] __debug_object_init+0x774/0x98c [ 87.413051][ T5548] debug_object_init+0x20/0x2c [ 87.413730][ T5548] __init_work+0x58/0x68 [ 87.414326][ T5548] blkg_alloc+0x1d4/0x5bc [ 87.414975][ T5548] blkcg_init_queue+0x34/0x484 [ 87.415676][ T5548] blk_alloc_queue+0x3cc/0x4a0 [ 87.416372][ T5548] __blk_mq_alloc_disk+0x5c/0x154 [ 87.417118][ T5548] loop_add+0x240/0x6e0 [ 87.417779][ T5548] loop_control_ioctl+0x128/0x4d0 [ 87.418669][ T5548] __arm64_sys_ioctl+0x14c/0x1c8 [ 87.419379][ T5548] invoke_syscall+0x98/0x2b8 [ 87.420009][ T5548] el0_svc_common+0x138/0x258 [ 87.420689][ T5548] do_el0_svc+0x58/0x14c [ 87.421288][ T5548] el0_svc+0x78/0x1e0 [ 87.421863][ T5548] el0t_64_sync_handler+0xcc/0xe4 [ 87.422541][ T5548] el0t_64_sync+0x1a0/0x1a4 [ 87.437190][ T5550] FAULT_INJECTION: forcing a failure. [ 87.437190][ T5550] name failslab, interval 1, probability 0, space 0, times 0 [ 87.439199][ T5550] CPU: 1 PID: 5550 Comm: syz.0.285 Tainted: G W syzkaller #0 [ 87.440545][ T5550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.442083][ T5550] Call trace: [ 87.442576][ T5550] dump_backtrace+0x0/0x43c [ 87.443246][ T5550] show_stack+0x2c/0x3c [ 87.443896][ T5550] __dump_stack+0x30/0x40 [ 87.444498][ T5550] dump_stack_lvl+0xf8/0x160 [ 87.445159][ T5550] dump_stack+0x1c/0x5c [ 87.445776][ T5550] should_fail+0x3c0/0x51c [ 87.446431][ T5550] __should_failslab+0xbc/0x10c [ 87.447142][ T5550] should_failslab+0x10/0x28 [ 87.447864][ T5550] slab_pre_alloc_hook+0x64/0xec [ 87.448550][ T5550] __kmalloc_track_caller+0x74/0x370 [ 87.449360][ T5550] kstrdup+0xe4/0x15c [ 87.449970][ T5550] kstrdup_const+0x54/0x6c [ 87.450629][ T5550] kvasprintf_const+0x118/0x2d0 [ 87.451317][ T5550] kobject_set_name_vargs+0xcc/0x1b4 [ 87.452079][ T5550] dev_set_name+0xd8/0x124 [ 87.452727][ T5550] device_add_disk+0x258/0xad0 [ 87.453407][ T5550] loop_add+0x510/0x6e0 [ 87.454040][ T5550] loop_control_ioctl+0x128/0x4d0 [ 87.454795][ T5550] __arm64_sys_ioctl+0x14c/0x1c8 [ 87.455539][ T5550] invoke_syscall+0x98/0x2b8 [ 87.456263][ T5550] el0_svc_common+0x138/0x258 [ 87.456993][ T5550] do_el0_svc+0x58/0x14c [ 87.457643][ T5550] el0_svc+0x78/0x1e0 [ 87.458202][ T5550] el0t_64_sync_handler+0xcc/0xe4 [ 87.458914][ T5550] el0t_64_sync+0x1a0/0x1a4 [ 87.466986][ T5552] FAULT_INJECTION: forcing a failure. [ 87.466986][ T5552] name failslab, interval 1, probability 0, space 0, times 0 [ 87.468858][ T5552] CPU: 0 PID: 5552 Comm: syz.0.286 Tainted: G W syzkaller #0 [ 87.470145][ T5552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.471585][ T5552] Call trace: [ 87.472065][ T5552] dump_backtrace+0x0/0x43c [ 87.472744][ T5552] show_stack+0x2c/0x3c [ 87.473365][ T5552] __dump_stack+0x30/0x40 [ 87.473975][ T5552] dump_stack_lvl+0xf8/0x160 [ 87.474608][ T5552] dump_stack+0x1c/0x5c [ 87.475233][ T5552] should_fail+0x3c0/0x51c [ 87.475913][ T5552] __should_failslab+0xbc/0x10c [ 87.476671][ T5552] should_failslab+0x10/0x28 [ 87.477346][ T5552] slab_pre_alloc_hook+0x64/0xec [ 87.478099][ T5552] kmem_cache_alloc+0x94/0x3e4 [ 87.478787][ T5552] __debug_object_init+0x75c/0x98c [ 87.479527][ T5552] debug_object_init+0x20/0x2c [ 87.480247][ T5552] __percpu_counter_init+0x10c/0x26c [ 87.480988][ T5552] blkg_rwstat_init+0x1c4/0x2b8 [ 87.481718][ T5552] throtl_pd_alloc+0xf0/0x4ec [ 87.482340][ T5552] blkcg_activate_policy+0x204/0xa8c [ 87.483064][ T5552] blk_throtl_init+0x308/0x3ec [ 87.483755][ T5552] blkcg_init_queue+0x3cc/0x484 [ 87.484488][ T5552] blk_alloc_queue+0x3cc/0x4a0 [ 87.485197][ T5552] __blk_mq_alloc_disk+0x5c/0x154 [ 87.485893][ T5552] loop_add+0x240/0x6e0 [ 87.486509][ T5552] loop_control_ioctl+0x128/0x4d0 [ 87.487240][ T5552] __arm64_sys_ioctl+0x14c/0x1c8 [ 87.487994][ T5552] invoke_syscall+0x98/0x2b8 [ 87.488706][ T5552] el0_svc_common+0x138/0x258 [ 87.489402][ T5552] do_el0_svc+0x58/0x14c [ 87.490087][ T5552] el0_svc+0x78/0x1e0 [ 87.490687][ T5552] el0t_64_sync_handler+0xcc/0xe4 [ 87.491455][ T5552] el0t_64_sync+0x1a0/0x1a4 [ 87.506437][ T5554] FAULT_INJECTION: forcing a failure. [ 87.506437][ T5554] name failslab, interval 1, probability 0, space 0, times 0 [ 87.508257][ T5554] CPU: 0 PID: 5554 Comm: syz.0.287 Tainted: G W syzkaller #0 [ 87.509459][ T5554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.510861][ T5554] Call trace: [ 87.511306][ T5554] dump_backtrace+0x0/0x43c [ 87.511963][ T5554] show_stack+0x2c/0x3c [ 87.512539][ T5554] __dump_stack+0x30/0x40 [ 87.513174][ T5554] dump_stack_lvl+0xf8/0x160 [ 87.513818][ T5554] dump_stack+0x1c/0x5c [ 87.514439][ T5554] should_fail+0x3c0/0x51c [ 87.515112][ T5554] __should_failslab+0xbc/0x10c [ 87.515842][ T5554] should_failslab+0x10/0x28 [ 87.516495][ T5554] slab_pre_alloc_hook+0x64/0xec [ 87.517187][ T5554] kmem_cache_alloc_trace+0x98/0x3fc [ 87.517953][ T5554] blk_iolatency_init+0x64/0x430 [ 87.518630][ T5554] blkcg_init_queue+0x3f0/0x484 [ 87.519391][ T5554] blk_alloc_queue+0x3cc/0x4a0 [ 87.520061][ T5554] __blk_mq_alloc_disk+0x5c/0x154 [ 87.520864][ T5554] loop_add+0x240/0x6e0 [ 87.521521][ T5554] loop_control_ioctl+0x128/0x4d0 [ 87.522276][ T5554] __arm64_sys_ioctl+0x14c/0x1c8 [ 87.522974][ T5554] invoke_syscall+0x98/0x2b8 [ 87.523688][ T5554] el0_svc_common+0x138/0x258 [ 87.524347][ T5554] do_el0_svc+0x58/0x14c [ 87.525005][ T5554] el0_svc+0x78/0x1e0 [ 87.525628][ T5554] el0t_64_sync_handler+0xcc/0xe4 [ 87.526371][ T5554] el0t_64_sync+0x1a0/0x1a4 [ 87.535567][ T5556] FAULT_INJECTION: forcing a failure. [ 87.535567][ T5556] name failslab, interval 1, probability 0, space 0, times 0 [ 87.538029][ T5556] CPU: 1 PID: 5556 Comm: syz.0.288 Tainted: G W syzkaller #0 [ 87.539310][ T5556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.540774][ T5556] Call trace: [ 87.541311][ T5556] dump_backtrace+0x0/0x43c [ 87.541945][ T5556] show_stack+0x2c/0x3c [ 87.542562][ T5556] __dump_stack+0x30/0x40 [ 87.543196][ T5556] dump_stack_lvl+0xf8/0x160 [ 87.543890][ T5556] dump_stack+0x1c/0x5c [ 87.544477][ T5556] should_fail+0x3c0/0x51c [ 87.545247][ T5556] __should_failslab+0xbc/0x10c [ 87.545993][ T5556] should_failslab+0x10/0x28 [ 87.546673][ T5556] slab_pre_alloc_hook+0x64/0xec [ 87.547421][ T5556] kmem_cache_alloc_trace+0x98/0x3fc [ 87.548191][ T5556] rand_initialize_disk+0x58/0xb8 [ 87.548849][ T5556] __alloc_disk_node+0x2a8/0x458 [ 87.549589][ T5556] __blk_mq_alloc_disk+0xe8/0x154 [ 87.550374][ T5556] loop_add+0x240/0x6e0 [ 87.550950][ T5556] loop_control_ioctl+0x128/0x4d0 [ 87.551681][ T5556] __arm64_sys_ioctl+0x14c/0x1c8 [ 87.552401][ T5556] invoke_syscall+0x98/0x2b8 [ 87.553082][ T5556] el0_svc_common+0x138/0x258 [ 87.553787][ T5556] do_el0_svc+0x58/0x14c [ 87.554431][ T5556] el0_svc+0x78/0x1e0 [ 87.554972][ T5556] el0t_64_sync_handler+0xcc/0xe4 [ 87.555616][ T5556] el0t_64_sync+0x1a0/0x1a4 [ 87.568642][ T5558] FAULT_INJECTION: forcing a failure. [ 87.568642][ T5558] name failslab, interval 1, probability 0, space 0, times 0 [ 87.570489][ T5558] CPU: 0 PID: 5558 Comm: syz.0.289 Tainted: G W syzkaller #0 [ 87.571736][ T5558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.573159][ T5558] Call trace: [ 87.573575][ T5558] dump_backtrace+0x0/0x43c [ 87.574193][ T5558] show_stack+0x2c/0x3c [ 87.574752][ T5558] __dump_stack+0x30/0x40 [ 87.575436][ T5558] dump_stack_lvl+0xf8/0x160 [ 87.576156][ T5558] dump_stack+0x1c/0x5c [ 87.576765][ T5558] should_fail+0x3c0/0x51c [ 87.577430][ T5558] __should_failslab+0xbc/0x10c [ 87.578174][ T5558] should_failslab+0x10/0x28 [ 87.578861][ T5558] slab_pre_alloc_hook+0x64/0xec [ 87.579610][ T5558] kmem_cache_alloc_trace+0x98/0x3fc [ 87.580400][ T5558] blk_iolatency_init+0x64/0x430 [ 87.581085][ T5558] blkcg_init_queue+0x3f0/0x484 [ 87.581795][ T5558] blk_alloc_queue+0x3cc/0x4a0 [ 87.582482][ T5558] __blk_mq_alloc_disk+0x5c/0x154 [ 87.583278][ T5558] loop_add+0x240/0x6e0 [ 87.583917][ T5558] loop_control_ioctl+0x128/0x4d0 [ 87.584696][ T5558] __arm64_sys_ioctl+0x14c/0x1c8 [ 87.585443][ T5558] invoke_syscall+0x98/0x2b8 [ 87.586104][ T5558] el0_svc_common+0x138/0x258 [ 87.586786][ T5558] do_el0_svc+0x58/0x14c [ 87.587414][ T5558] el0_svc+0x78/0x1e0 [ 87.588021][ T5558] el0t_64_sync_handler+0xcc/0xe4 [ 87.588792][ T5558] el0t_64_sync+0x1a0/0x1a4 [ 87.598324][ T5560] FAULT_INJECTION: forcing a failure. [ 87.598324][ T5560] name failslab, interval 1, probability 0, space 0, times 0 [ 87.600272][ T5560] CPU: 1 PID: 5560 Comm: syz.0.290 Tainted: G W syzkaller #0 [ 87.601576][ T5560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.603164][ T5560] Call trace: [ 87.603612][ T5560] dump_backtrace+0x0/0x43c [ 87.604259][ T5560] show_stack+0x2c/0x3c [ 87.604893][ T5560] __dump_stack+0x30/0x40 [ 87.605544][ T5560] dump_stack_lvl+0xf8/0x160 [ 87.606289][ T5560] dump_stack+0x1c/0x5c [ 87.606954][ T5560] should_fail+0x3c0/0x51c [ 87.607604][ T5560] __should_failslab+0xbc/0x10c [ 87.608315][ T5560] should_failslab+0x10/0x28 [ 87.609057][ T5560] slab_pre_alloc_hook+0x64/0xec [ 87.609843][ T5560] kmem_cache_alloc+0x94/0x3e4 [ 87.610545][ T5560] bdev_alloc_inode+0x24/0x60 [ 87.611216][ T5560] new_inode_pseudo+0x68/0x1fc [ 87.611926][ T5560] new_inode+0x38/0x174 [ 87.612546][ T5560] bdev_alloc+0x30/0x1f8 [ 87.613122][ T5560] __alloc_disk_node+0xbc/0x458 [ 87.613821][ T5560] __blk_mq_alloc_disk+0xe8/0x154 [ 87.614509][ T5560] loop_add+0x240/0x6e0 [ 87.615148][ T5560] loop_control_ioctl+0x128/0x4d0 [ 87.615858][ T5560] __arm64_sys_ioctl+0x14c/0x1c8 [ 87.616574][ T5560] invoke_syscall+0x98/0x2b8 [ 87.617274][ T5560] el0_svc_common+0x138/0x258 [ 87.617967][ T5560] do_el0_svc+0x58/0x14c [ 87.618596][ T5560] el0_svc+0x78/0x1e0 [ 87.619224][ T5560] el0t_64_sync_handler+0xcc/0xe4 [ 87.619914][ T5560] el0t_64_sync+0x1a0/0x1a4 [ 87.631649][ T5562] FAULT_INJECTION: forcing a failure. [ 87.631649][ T5562] name failslab, interval 1, probability 0, space 0, times 0 [ 87.633569][ T5562] CPU: 1 PID: 5562 Comm: syz.0.291 Tainted: G W syzkaller #0 [ 87.634881][ T5562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.636412][ T5562] Call trace: [ 87.636883][ T5562] dump_backtrace+0x0/0x43c [ 87.637647][ T5562] show_stack+0x2c/0x3c [ 87.638210][ T5562] __dump_stack+0x30/0x40 [ 87.638820][ T5562] dump_stack_lvl+0xf8/0x160 [ 87.639530][ T5562] dump_stack+0x1c/0x5c [ 87.640170][ T5562] should_fail+0x3c0/0x51c [ 87.640776][ T5562] __should_failslab+0xbc/0x10c [ 87.641414][ T5562] should_failslab+0x10/0x28 [ 87.642088][ T5562] slab_pre_alloc_hook+0x64/0xec [ 87.642839][ T5562] __kmalloc_track_caller+0x74/0x370 [ 87.643662][ T5562] kstrdup+0xe4/0x15c [ 87.644261][ T5562] kstrdup_const+0x54/0x6c [ 87.644894][ T5562] kvasprintf_const+0x118/0x2d0 [ 87.645658][ T5562] kobject_set_name_vargs+0xcc/0x1b4 [ 87.646478][ T5562] dev_set_name+0xd8/0x124 [ 87.647175][ T5562] device_add_disk+0x258/0xad0 [ 87.647878][ T5562] loop_add+0x510/0x6e0 [ 87.648529][ T5562] loop_control_ioctl+0x128/0x4d0 [ 87.649296][ T5562] __arm64_sys_ioctl+0x14c/0x1c8 [ 87.650076][ T5562] invoke_syscall+0x98/0x2b8 [ 87.650752][ T5562] el0_svc_common+0x138/0x258 [ 87.651425][ T5562] do_el0_svc+0x58/0x14c [ 87.652081][ T5562] el0_svc+0x78/0x1e0 [ 87.652708][ T5562] el0t_64_sync_handler+0xcc/0xe4 [ 87.653473][ T5562] el0t_64_sync+0x1a0/0x1a4 [ 87.662005][ T5564] FAULT_INJECTION: forcing a failure. [ 87.662005][ T5564] name failslab, interval 1, probability 0, space 0, times 0 [ 87.663861][ T5564] CPU: 1 PID: 5564 Comm: syz.0.292 Tainted: G W syzkaller #0 [ 87.665054][ T5564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.666614][ T5564] Call trace: [ 87.667167][ T5564] dump_backtrace+0x0/0x43c [ 87.667890][ T5564] show_stack+0x2c/0x3c [ 87.668554][ T5564] __dump_stack+0x30/0x40 [ 87.669193][ T5564] dump_stack_lvl+0xf8/0x160 [ 87.669917][ T5564] dump_stack+0x1c/0x5c [ 87.670555][ T5564] should_fail+0x3c0/0x51c [ 87.671247][ T5564] __should_failslab+0xbc/0x10c [ 87.672015][ T5564] should_failslab+0x10/0x28 [ 87.672668][ T5564] slab_pre_alloc_hook+0x64/0xec [ 87.673393][ T5564] kmem_cache_alloc+0x94/0x3e4 [ 87.674073][ T5564] __debug_object_init+0x648/0x98c [ 87.674886][ T5564] debug_object_init+0x20/0x2c [ 87.675548][ T5564] init_timer_key+0x54/0x418 [ 87.676241][ T5564] blk_throtl_init+0x238/0x3ec [ 87.676967][ T5564] blkcg_init_queue+0x3cc/0x484 [ 87.677685][ T5564] blk_alloc_queue+0x3cc/0x4a0 [ 87.678417][ T5564] __blk_mq_alloc_disk+0x5c/0x154 [ 87.679221][ T5564] loop_add+0x240/0x6e0 [ 87.679888][ T5564] loop_control_ioctl+0x128/0x4d0 [ 87.680640][ T5564] __arm64_sys_ioctl+0x14c/0x1c8 [ 87.681292][ T5564] invoke_syscall+0x98/0x2b8 [ 87.682025][ T5564] el0_svc_common+0x138/0x258 [ 87.682755][ T5564] do_el0_svc+0x58/0x14c [ 87.683370][ T5564] el0_svc+0x78/0x1e0 [ 87.683964][ T5564] el0t_64_sync_handler+0xcc/0xe4 [ 87.684729][ T5564] el0t_64_sync+0x1a0/0x1a4 [ 87.698381][ T5566] FAULT_INJECTION: forcing a failure. [ 87.698381][ T5566] name failslab, interval 1, probability 0, space 0, times 0 [ 87.700286][ T5566] CPU: 0 PID: 5566 Comm: syz.0.293 Tainted: G W syzkaller #0 [ 87.701560][ T5566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.703065][ T5566] Call trace: [ 87.703524][ T5566] dump_backtrace+0x0/0x43c [ 87.704204][ T5566] show_stack+0x2c/0x3c [ 87.704799][ T5566] __dump_stack+0x30/0x40 [ 87.705456][ T5566] dump_stack_lvl+0xf8/0x160 [ 87.706131][ T5566] dump_stack+0x1c/0x5c [ 87.706733][ T5566] should_fail+0x3c0/0x51c [ 87.707341][ T5566] __should_failslab+0xbc/0x10c [ 87.708071][ T5566] should_failslab+0x10/0x28 [ 87.708764][ T5566] slab_pre_alloc_hook+0x64/0xec [ 87.709546][ T5566] kmem_cache_alloc+0x94/0x3e4 [ 87.710216][ T5566] __debug_object_init+0x75c/0x98c [ 87.710927][ T5566] debug_object_init+0x20/0x2c [ 87.711592][ T5566] init_timer_key+0x54/0x418 [ 87.712274][ T5566] blk_iolatency_init+0x2cc/0x430 [ 87.713016][ T5566] blkcg_init_queue+0x3f0/0x484 [ 87.713712][ T5566] blk_alloc_queue+0x3cc/0x4a0 [ 87.714373][ T5566] __blk_mq_alloc_disk+0x5c/0x154 [ 87.715104][ T5566] loop_add+0x240/0x6e0 [ 87.715696][ T5566] loop_control_ioctl+0x128/0x4d0 [ 87.716414][ T5566] __arm64_sys_ioctl+0x14c/0x1c8 [ 87.717171][ T5566] invoke_syscall+0x98/0x2b8 [ 87.717905][ T5566] el0_svc_common+0x138/0x258 [ 87.718593][ T5566] do_el0_svc+0x58/0x14c [ 87.719235][ T5566] el0_svc+0x78/0x1e0 [ 87.719777][ T5566] el0t_64_sync_handler+0xcc/0xe4 [ 87.720450][ T5566] el0t_64_sync+0x1a0/0x1a4 [ 87.733710][ T5568] FAULT_INJECTION: forcing a failure. [ 87.733710][ T5568] name failslab, interval 1, probability 0, space 0, times 0 [ 87.735772][ T5568] CPU: 1 PID: 5568 Comm: syz.0.294 Tainted: G W syzkaller #0 [ 87.737167][ T5568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.738735][ T5568] Call trace: [ 87.739235][ T5568] dump_backtrace+0x0/0x43c [ 87.739984][ T5568] show_stack+0x2c/0x3c [ 87.740619][ T5568] __dump_stack+0x30/0x40 [ 87.741266][ T5568] dump_stack_lvl+0xf8/0x160 [ 87.741979][ T5568] dump_stack+0x1c/0x5c [ 87.742615][ T5568] should_fail+0x3c0/0x51c [ 87.743290][ T5568] __should_failslab+0xbc/0x10c [ 87.744007][ T5568] should_failslab+0x10/0x28 [ 87.744759][ T5568] slab_pre_alloc_hook+0x64/0xec [ 87.745492][ T5568] kmem_cache_alloc_node_trace+0x9c/0x438 [ 87.746372][ T5568] throtl_pd_alloc+0xac/0x4ec [ 87.747113][ T5568] blkcg_activate_policy+0x204/0xa8c [ 87.747921][ T5568] blk_throtl_init+0x308/0x3ec [ 87.748627][ T5568] blkcg_init_queue+0x3cc/0x484 [ 87.749392][ T5568] blk_alloc_queue+0x3cc/0x4a0 [ 87.750113][ T5568] __blk_mq_alloc_disk+0x5c/0x154 [ 87.750857][ T5568] loop_add+0x240/0x6e0 [ 87.751467][ T5568] loop_control_ioctl+0x128/0x4d0 [ 87.752219][ T5568] __arm64_sys_ioctl+0x14c/0x1c8 [ 87.752945][ T5568] invoke_syscall+0x98/0x2b8 [ 87.753616][ T5568] el0_svc_common+0x138/0x258 [ 87.754277][ T5568] do_el0_svc+0x58/0x14c [ 87.754939][ T5568] el0_svc+0x78/0x1e0 [ 87.755533][ T5568] el0t_64_sync_handler+0xcc/0xe4 [ 87.756267][ T5568] el0t_64_sync+0x1a0/0x1a4 [ 87.776207][ T5570] FAULT_INJECTION: forcing a failure. [ 87.776207][ T5570] name failslab, interval 1, probability 0, space 0, times 0 [ 87.778195][ T5570] CPU: 1 PID: 5570 Comm: syz.0.295 Tainted: G W syzkaller #0 [ 87.779491][ T5570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.780937][ T5570] Call trace: [ 87.781414][ T5570] dump_backtrace+0x0/0x43c [ 87.782111][ T5570] show_stack+0x2c/0x3c [ 87.782730][ T5570] __dump_stack+0x30/0x40 [ 87.783448][ T5570] dump_stack_lvl+0xf8/0x160 [ 87.784125][ T5570] dump_stack+0x1c/0x5c [ 87.784748][ T5570] should_fail+0x3c0/0x51c [ 87.785441][ T5570] __should_failslab+0xbc/0x10c [ 87.786184][ T5570] should_failslab+0x10/0x28 [ 87.786878][ T5570] slab_pre_alloc_hook+0x64/0xec [ 87.787637][ T5570] kmem_cache_alloc_trace+0x98/0x3fc [ 87.788515][ T5570] blk_iolatency_init+0x64/0x430 [ 87.789281][ T5570] blkcg_init_queue+0x3f0/0x484 [ 87.789993][ T5570] blk_alloc_queue+0x3cc/0x4a0 [ 87.790730][ T5570] __blk_mq_alloc_disk+0x5c/0x154 [ 87.791431][ T5570] loop_add+0x240/0x6e0 [ 87.792037][ T5570] loop_control_ioctl+0x128/0x4d0 [ 87.792773][ T5570] __arm64_sys_ioctl+0x14c/0x1c8 [ 87.793512][ T5570] invoke_syscall+0x98/0x2b8 [ 87.794185][ T5570] el0_svc_common+0x138/0x258 [ 87.794860][ T5570] do_el0_svc+0x58/0x14c [ 87.795484][ T5570] el0_svc+0x78/0x1e0 [ 87.796059][ T5570] el0t_64_sync_handler+0xcc/0xe4 [ 87.796859][ T5570] el0t_64_sync+0x1a0/0x1a4 [ 87.807720][ T5572] FAULT_INJECTION: forcing a failure. [ 87.807720][ T5572] name failslab, interval 1, probability 0, space 0, times 0 [ 87.809702][ T5572] CPU: 1 PID: 5572 Comm: syz.0.296 Tainted: G W syzkaller #0 [ 87.811089][ T5572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.812666][ T5572] Call trace: [ 87.813183][ T5572] dump_backtrace+0x0/0x43c [ 87.813846][ T5572] show_stack+0x2c/0x3c [ 87.814447][ T5572] __dump_stack+0x30/0x40 [ 87.815067][ T5572] dump_stack_lvl+0xf8/0x160 [ 87.815733][ T5572] dump_stack+0x1c/0x5c [ 87.816421][ T5572] should_fail+0x3c0/0x51c [ 87.817034][ T5572] __should_failslab+0xbc/0x10c [ 87.817722][ T5572] should_failslab+0x10/0x28 [ 87.818401][ T5572] slab_pre_alloc_hook+0x64/0xec [ 87.819157][ T5572] kmem_cache_alloc+0x94/0x3e4 [ 87.819854][ T5572] __debug_object_init+0x634/0x98c [ 87.820530][ T5572] debug_object_init+0x20/0x2c [ 87.821203][ T5572] __percpu_counter_init+0x10c/0x26c [ 87.821950][ T5572] wb_init+0x5f8/0x6ec [ 87.822547][ T5572] bdi_init+0x1b4/0x2f4 [ 87.823181][ T5572] bdi_alloc+0x6c/0x144 [ 87.823713][ T5572] __alloc_disk_node+0x8c/0x458 [ 87.824644][ T5572] __blk_mq_alloc_disk+0xe8/0x154 [ 87.825397][ T5572] loop_add+0x240/0x6e0 [ 87.825990][ T5572] loop_control_ioctl+0x128/0x4d0 [ 87.826695][ T5572] __arm64_sys_ioctl+0x14c/0x1c8 [ 87.827415][ T5572] invoke_syscall+0x98/0x2b8 [ 87.827979][ T5572] el0_svc_common+0x138/0x258 [ 87.828614][ T5572] do_el0_svc+0x58/0x14c [ 87.829228][ T5572] el0_svc+0x78/0x1e0 [ 87.829835][ T5572] el0t_64_sync_handler+0xcc/0xe4 [ 87.830518][ T5572] el0t_64_sync+0x1a0/0x1a4 [ 87.850239][ T5574] FAULT_INJECTION: forcing a failure. [ 87.850239][ T5574] name failslab, interval 1, probability 0, space 0, times 0 [ 87.852253][ T5574] CPU: 0 PID: 5574 Comm: syz.0.297 Tainted: G W syzkaller #0 [ 87.853576][ T5574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.855377][ T5574] Call trace: [ 87.855850][ T5574] dump_backtrace+0x0/0x43c [ 87.856483][ T5574] show_stack+0x2c/0x3c [ 87.857080][ T5574] __dump_stack+0x30/0x40 [ 87.857685][ T5574] dump_stack_lvl+0xf8/0x160 [ 87.858375][ T5574] dump_stack+0x1c/0x5c [ 87.859009][ T5574] should_fail+0x3c0/0x51c [ 87.859638][ T5574] __should_failslab+0xbc/0x10c [ 87.860328][ T5574] should_failslab+0x10/0x28 [ 87.860993][ T5574] slab_pre_alloc_hook+0x64/0xec [ 87.861686][ T5574] __kmalloc_node+0xb8/0x520 [ 87.862344][ T5574] memcg_alloc_page_obj_cgroups+0x80/0x174 [ 87.863110][ T5574] new_slab+0x114/0x55c [ 87.863654][ T5574] ___slab_alloc+0x6c0/0xda8 [ 87.864328][ T5574] __slab_alloc+0x68/0xc0 [ 87.864936][ T5574] kmem_cache_alloc+0x2ac/0x3e4 [ 87.865628][ T5574] bdev_alloc_inode+0x24/0x60 [ 87.866278][ T5574] new_inode_pseudo+0x68/0x1fc [ 87.866967][ T5574] new_inode+0x38/0x174 [ 87.867555][ T5574] bdev_alloc+0x30/0x1f8 [ 87.868113][ T5574] __alloc_disk_node+0xbc/0x458 [ 87.868835][ T5574] __blk_mq_alloc_disk+0xe8/0x154 [ 87.869597][ T5574] loop_add+0x240/0x6e0 [ 87.870191][ T5574] loop_control_ioctl+0x128/0x4d0 [ 87.871013][ T5574] __arm64_sys_ioctl+0x14c/0x1c8 [ 87.871848][ T5574] invoke_syscall+0x98/0x2b8 [ 87.872525][ T5574] el0_svc_common+0x138/0x258 [ 87.873243][ T5574] do_el0_svc+0x58/0x14c [ 87.873965][ T5574] el0_svc+0x78/0x1e0 [ 87.874643][ T5574] el0t_64_sync_handler+0xcc/0xe4 [ 87.875487][ T5574] el0t_64_sync+0x1a0/0x1a4 [ 87.888770][ T5576] FAULT_INJECTION: forcing a failure. [ 87.888770][ T5576] name failslab, interval 1, probability 0, space 0, times 0 [ 87.891217][ T5576] CPU: 0 PID: 5576 Comm: syz.0.298 Tainted: G W syzkaller #0 [ 87.892447][ T5576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.893877][ T5576] Call trace: [ 87.894377][ T5576] dump_backtrace+0x0/0x43c [ 87.895044][ T5576] show_stack+0x2c/0x3c [ 87.895701][ T5576] __dump_stack+0x30/0x40 [ 87.896337][ T5576] dump_stack_lvl+0xf8/0x160 [ 87.897021][ T5576] dump_stack+0x1c/0x5c [ 87.897593][ T5576] should_fail+0x3c0/0x51c [ 87.898269][ T5576] __should_failslab+0xbc/0x10c [ 87.898995][ T5576] should_failslab+0x10/0x28 [ 87.899619][ T5576] slab_pre_alloc_hook+0x64/0xec [ 87.900378][ T5576] kmem_cache_alloc_trace+0x98/0x3fc [ 87.901156][ T5576] rand_initialize_disk+0x58/0xb8 [ 87.901859][ T5576] __alloc_disk_node+0x2a8/0x458 [ 87.902551][ T5576] __blk_mq_alloc_disk+0xe8/0x154 [ 87.903229][ T5576] loop_add+0x240/0x6e0 [ 87.903783][ T5576] loop_control_ioctl+0x128/0x4d0 [ 87.904496][ T5576] __arm64_sys_ioctl+0x14c/0x1c8 [ 87.905205][ T5576] invoke_syscall+0x98/0x2b8 [ 87.905897][ T5576] el0_svc_common+0x138/0x258 [ 87.906581][ T5576] do_el0_svc+0x58/0x14c [ 87.907264][ T5576] el0_svc+0x78/0x1e0 [ 87.907896][ T5576] el0t_64_sync_handler+0xcc/0xe4 [ 87.908634][ T5576] el0t_64_sync+0x1a0/0x1a4 [ 87.924240][ T5578] FAULT_INJECTION: forcing a failure. [ 87.924240][ T5578] name failslab, interval 1, probability 0, space 0, times 0 [ 87.927097][ T5578] CPU: 0 PID: 5578 Comm: syz.0.299 Tainted: G W syzkaller #0 [ 87.928400][ T5578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.929980][ T5578] Call trace: [ 87.930486][ T5578] dump_backtrace+0x0/0x43c [ 87.931160][ T5578] show_stack+0x2c/0x3c [ 87.931770][ T5578] __dump_stack+0x30/0x40 [ 87.932403][ T5578] dump_stack_lvl+0xf8/0x160 [ 87.933082][ T5578] dump_stack+0x1c/0x5c [ 87.933704][ T5578] should_fail+0x3c0/0x51c [ 87.934319][ T5578] __should_failslab+0xbc/0x10c [ 87.935013][ T5578] should_failslab+0x10/0x28 [ 87.935682][ T5578] slab_pre_alloc_hook+0x64/0xec [ 87.936415][ T5578] kmem_cache_alloc+0x94/0x3e4 [ 87.937122][ T5578] security_inode_alloc+0x38/0x11c [ 87.937887][ T5578] inode_init_always+0x670/0xa84 [ 87.938585][ T5578] new_inode_pseudo+0x7c/0x1fc [ 87.939338][ T5578] new_inode+0x38/0x174 [ 87.939929][ T5578] bdev_alloc+0x30/0x1f8 [ 87.940542][ T5578] __alloc_disk_node+0xbc/0x458 [ 87.941286][ T5578] __blk_mq_alloc_disk+0xe8/0x154 [ 87.942051][ T5578] loop_add+0x240/0x6e0 [ 87.942684][ T5578] loop_control_ioctl+0x128/0x4d0 [ 87.943432][ T5578] __arm64_sys_ioctl+0x14c/0x1c8 [ 87.944205][ T5578] invoke_syscall+0x98/0x2b8 [ 87.944868][ T5578] el0_svc_common+0x138/0x258 [ 87.945539][ T5578] do_el0_svc+0x58/0x14c [ 87.946156][ T5578] el0_svc+0x78/0x1e0 [ 87.946700][ T5578] el0t_64_sync_handler+0xcc/0xe4 [ 87.947452][ T5578] el0t_64_sync+0x1a0/0x1a4 [ 87.958170][ T5580] FAULT_INJECTION: forcing a failure. [ 87.958170][ T5580] name failslab, interval 1, probability 0, space 0, times 0 [ 87.960131][ T5580] CPU: 0 PID: 5580 Comm: syz.0.300 Tainted: G W syzkaller #0 [ 87.961396][ T5580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.962835][ T5580] Call trace: [ 87.963334][ T5580] dump_backtrace+0x0/0x43c [ 87.963941][ T5580] show_stack+0x2c/0x3c [ 87.964468][ T5580] __dump_stack+0x30/0x40 [ 87.965095][ T5580] dump_stack_lvl+0xf8/0x160 [ 87.965786][ T5580] dump_stack+0x1c/0x5c [ 87.966401][ T5580] should_fail+0x3c0/0x51c [ 87.967065][ T5580] __should_failslab+0xbc/0x10c [ 87.967833][ T5580] should_failslab+0x10/0x28 [ 87.968479][ T5580] slab_pre_alloc_hook+0x64/0xec [ 87.969208][ T5580] kmem_cache_alloc_trace+0x98/0x3fc [ 87.970022][ T5580] blk_iolatency_init+0x64/0x430 [ 87.970720][ T5580] blkcg_init_queue+0x3f0/0x484 [ 87.971421][ T5580] blk_alloc_queue+0x3cc/0x4a0 [ 87.972040][ T5580] __blk_mq_alloc_disk+0x5c/0x154 [ 87.972814][ T5580] loop_add+0x240/0x6e0 [ 87.973375][ T5580] loop_control_ioctl+0x128/0x4d0 [ 87.974114][ T5580] __arm64_sys_ioctl+0x14c/0x1c8 [ 87.974818][ T5580] invoke_syscall+0x98/0x2b8 [ 87.975476][ T5580] el0_svc_common+0x138/0x258 [ 87.976096][ T5580] do_el0_svc+0x58/0x14c [ 87.976672][ T5580] el0_svc+0x78/0x1e0 [ 87.977217][ T5580] el0t_64_sync_handler+0xcc/0xe4 [ 87.977941][ T5580] el0t_64_sync+0x1a0/0x1a4 [ 87.990798][ T5582] FAULT_INJECTION: forcing a failure. [ 87.990798][ T5582] name failslab, interval 1, probability 0, space 0, times 0 [ 87.992644][ T5582] CPU: 0 PID: 5582 Comm: syz.0.301 Tainted: G W syzkaller #0 [ 87.993923][ T5582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.995399][ T5582] Call trace: [ 87.995907][ T5582] dump_backtrace+0x0/0x43c [ 87.996600][ T5582] show_stack+0x2c/0x3c [ 87.997240][ T5582] __dump_stack+0x30/0x40 [ 87.997857][ T5582] dump_stack_lvl+0xf8/0x160 [ 87.998512][ T5582] dump_stack+0x1c/0x5c [ 87.999103][ T5582] should_fail+0x3c0/0x51c [ 87.999730][ T5582] __should_failslab+0xbc/0x10c [ 88.000451][ T5582] should_failslab+0x10/0x28 [ 88.001124][ T5582] slab_pre_alloc_hook+0x64/0xec [ 88.001818][ T5582] __kmalloc_track_caller+0x74/0x370 [ 88.002584][ T5582] kstrdup+0xe4/0x15c [ 88.003140][ T5582] kstrdup_const+0x54/0x6c [ 88.003832][ T5582] kvasprintf_const+0x118/0x2d0 [ 88.004638][ T5582] kobject_set_name_vargs+0xcc/0x1b4 [ 88.005497][ T5582] dev_set_name+0xd8/0x124 [ 88.006119][ T5582] device_add_disk+0x258/0xad0 [ 88.006810][ T5582] loop_add+0x510/0x6e0 [ 88.007433][ T5582] loop_control_ioctl+0x128/0x4d0 [ 88.008207][ T5582] __arm64_sys_ioctl+0x14c/0x1c8 [ 88.008928][ T5582] invoke_syscall+0x98/0x2b8 [ 88.009558][ T5582] el0_svc_common+0x138/0x258 [ 88.010250][ T5582] do_el0_svc+0x58/0x14c [ 88.010891][ T5582] el0_svc+0x78/0x1e0 [ 88.011503][ T5582] el0t_64_sync_handler+0xcc/0xe4 [ 88.012254][ T5582] el0t_64_sync+0x1a0/0x1a4 [ 88.021374][ T5584] FAULT_INJECTION: forcing a failure. [ 88.021374][ T5584] name failslab, interval 1, probability 0, space 0, times 0 [ 88.023331][ T5584] CPU: 0 PID: 5584 Comm: syz.0.302 Tainted: G W syzkaller #0 [ 88.024654][ T5584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 88.026238][ T5584] Call trace: [ 88.026744][ T5584] dump_backtrace+0x0/0x43c [ 88.027452][ T5584] show_stack+0x2c/0x3c [ 88.028101][ T5584] __dump_stack+0x30/0x40 [ 88.028761][ T5584] dump_stack_lvl+0xf8/0x160 [ 88.029449][ T5584] dump_stack+0x1c/0x5c [ 88.030108][ T5584] should_fail+0x3c0/0x51c [ 88.030789][ T5584] __should_failslab+0xbc/0x10c [ 88.031509][ T5584] should_failslab+0x10/0x28 [ 88.032220][ T5584] slab_pre_alloc_hook+0x64/0xec [ 88.032965][ T5584] kmem_cache_alloc+0x94/0x3e4 [ 88.033670][ T5584] __debug_object_init+0x774/0x98c [ 88.034465][ T5584] debug_object_init+0x20/0x2c [ 88.035177][ T5584] __percpu_counter_init+0x10c/0x26c [ 88.035955][ T5584] blkg_rwstat_init+0x104/0x2b8 [ 88.036650][ T5584] throtl_pd_alloc+0xf0/0x4ec [ 88.037308][ T5584] blkcg_activate_policy+0x204/0xa8c [ 88.038076][ T5584] blk_throtl_init+0x308/0x3ec [ 88.038813][ T5584] blkcg_init_queue+0x3cc/0x484 [ 88.039582][ T5584] blk_alloc_queue+0x3cc/0x4a0 [ 88.040287][ T5584] __blk_mq_alloc_disk+0x5c/0x154 [ 88.041069][ T5584] loop_add+0x240/0x6e0 [ 88.041635][ T5584] loop_control_ioctl+0x128/0x4d0 [ 88.042385][ T5584] __arm64_sys_ioctl+0x14c/0x1c8 [ 88.043088][ T5584] invoke_syscall+0x98/0x2b8 [ 88.043699][ T5584] el0_svc_common+0x138/0x258 [ 88.044358][ T5584] do_el0_svc+0x58/0x14c [ 88.044995][ T5584] el0_svc+0x78/0x1e0 [ 88.045575][ T5584] el0t_64_sync_handler+0xcc/0xe4 [ 88.046277][ T5584] el0t_64_sync+0x1a0/0x1a4 [ 88.059858][ T5586] FAULT_INJECTION: forcing a failure. [ 88.059858][ T5586] name failslab, interval 1, probability 0, space 0, times 0 [ 88.061747][ T5586] CPU: 0 PID: 5586 Comm: syz.0.303 Tainted: G W syzkaller #0 [ 88.062978][ T5586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 88.064507][ T5586] Call trace: [ 88.064960][ T5586] dump_backtrace+0x0/0x43c [ 88.065599][ T5586] show_stack+0x2c/0x3c [ 88.066264][ T5586] __dump_stack+0x30/0x40 [ 88.066928][ T5586] dump_stack_lvl+0xf8/0x160 [ 88.067591][ T5586] dump_stack+0x1c/0x5c [ 88.068190][ T5586] should_fail+0x3c0/0x51c [ 88.068888][ T5586] __should_failslab+0xbc/0x10c [ 88.069575][ T5586] should_failslab+0x10/0x28 [ 88.070245][ T5586] slab_pre_alloc_hook+0x64/0xec [ 88.071083][ T5586] kmem_cache_alloc_trace+0x98/0x3fc [ 88.071997][ T5586] rand_initialize_disk+0x58/0xb8 [ 88.072745][ T5586] __alloc_disk_node+0x2a8/0x458 [ 88.073507][ T5586] __blk_mq_alloc_disk+0xe8/0x154 [ 88.074303][ T5586] loop_add+0x240/0x6e0 [ 88.074927][ T5586] loop_control_ioctl+0x128/0x4d0 [ 88.075739][ T5586] __arm64_sys_ioctl+0x14c/0x1c8 [ 88.076457][ T5586] invoke_syscall+0x98/0x2b8 [ 88.077066][ T5586] el0_svc_common+0x138/0x258 [ 88.077736][ T5586] do_el0_svc+0x58/0x14c [ 88.078386][ T5586] el0_svc+0x78/0x1e0 [ 88.078999][ T5586] el0t_64_sync_handler+0xcc/0xe4 [ 88.079744][ T5586] el0t_64_sync+0x1a0/0x1a4 [ 88.094402][ T5588] FAULT_INJECTION: forcing a failure. [ 88.094402][ T5588] name failslab, interval 1, probability 0, space 0, times 0 [ 88.096485][ T5588] CPU: 1 PID: 5588 Comm: syz.0.304 Tainted: G W syzkaller #0 [ 88.097764][ T5588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 88.099362][ T5588] Call trace: [ 88.099811][ T5588] dump_backtrace+0x0/0x43c [ 88.100492][ T5588] show_stack+0x2c/0x3c [ 88.101068][ T5588] __dump_stack+0x30/0x40 [ 88.101700][ T5588] dump_stack_lvl+0xf8/0x160 [ 88.102385][ T5588] dump_stack+0x1c/0x5c [ 88.102975][ T5588] should_fail+0x3c0/0x51c [ 88.103603][ T5588] __should_failslab+0xbc/0x10c [ 88.104316][ T5588] should_failslab+0x10/0x28 [ 88.104967][ T5588] slab_pre_alloc_hook+0x64/0xec [ 88.105691][ T5588] kmem_cache_alloc_trace+0x98/0x3fc [ 88.106385][ T5588] rand_initialize_disk+0x58/0xb8 [ 88.107126][ T5588] __alloc_disk_node+0x2a8/0x458 [ 88.107882][ T5588] __blk_mq_alloc_disk+0xe8/0x154 [ 88.108635][ T5588] loop_add+0x240/0x6e0 [ 88.109227][ T5588] loop_control_ioctl+0x128/0x4d0 [ 88.109912][ T5588] __arm64_sys_ioctl+0x14c/0x1c8 [ 88.110630][ T5588] invoke_syscall+0x98/0x2b8 [ 88.111332][ T5588] el0_svc_common+0x138/0x258 [ 88.112015][ T5588] do_el0_svc+0x58/0x14c [ 88.112619][ T5588] el0_svc+0x78/0x1e0 [ 88.113163][ T5588] el0t_64_sync_handler+0xcc/0xe4 [ 88.113849][ T5588] el0t_64_sync+0x1a0/0x1a4 [ 88.131049][ T5590] FAULT_INJECTION: forcing a failure. [ 88.131049][ T5590] name failslab, interval 1, probability 0, space 0, times 0 [ 88.133043][ T5590] CPU: 0 PID: 5590 Comm: syz.0.305 Tainted: G W syzkaller #0 [ 88.134353][ T5590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 88.135799][ T5590] Call trace: [ 88.136291][ T5590] dump_backtrace+0x0/0x43c [ 88.136941][ T5590] show_stack+0x2c/0x3c [ 88.137578][ T5590] __dump_stack+0x30/0x40 [ 88.138199][ T5590] dump_stack_lvl+0xf8/0x160 [ 88.138894][ T5590] dump_stack+0x1c/0x5c [ 88.139509][ T5590] should_fail+0x3c0/0x51c [ 88.140155][ T5590] __should_failslab+0xbc/0x10c [ 88.140972][ T5590] should_failslab+0x10/0x28 [ 88.141657][ T5590] slab_pre_alloc_hook+0x64/0xec [ 88.142417][ T5590] kmem_cache_alloc_trace+0x98/0x3fc [ 88.143192][ T5590] blk_iolatency_init+0x64/0x430 [ 88.143921][ T5590] blkcg_init_queue+0x3f0/0x484 [ 88.144556][ T5590] blk_alloc_queue+0x3cc/0x4a0 [ 88.145218][ T5590] __blk_mq_alloc_disk+0x5c/0x154 [ 88.145939][ T5590] loop_add+0x240/0x6e0 [ 88.146512][ T5590] loop_control_ioctl+0x128/0x4d0 [ 88.147254][ T5590] __arm64_sys_ioctl+0x14c/0x1c8 [ 88.147962][ T5590] invoke_syscall+0x98/0x2b8 [ 88.148639][ T5590] el0_svc_common+0x138/0x258 [ 88.149321][ T5590] do_el0_svc+0x58/0x14c [ 88.149949][ T5590] el0_svc+0x78/0x1e0 [ 88.150561][ T5590] el0t_64_sync_handler+0xcc/0xe4 [ 88.151393][ T5590] el0t_64_sync+0x1a0/0x1a4 [ 88.160763][ T5592] FAULT_INJECTION: forcing a failure. [ 88.160763][ T5592] name failslab, interval 1, probability 0, space 0, times 0 [ 88.162643][ T5592] CPU: 0 PID: 5592 Comm: syz.0.306 Tainted: G W syzkaller #0 [ 88.163877][ T5592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 88.165336][ T5592] Call trace: [ 88.165898][ T5592] dump_backtrace+0x0/0x43c [ 88.166540][ T5592] show_stack+0x2c/0x3c [ 88.167156][ T5592] __dump_stack+0x30/0x40 [ 88.167764][ T5592] dump_stack_lvl+0xf8/0x160 [ 88.168412][ T5592] dump_stack+0x1c/0x5c [ 88.168986][ T5592] should_fail+0x3c0/0x51c [ 88.169609][ T5592] __should_failslab+0xbc/0x10c [ 88.170297][ T5592] should_failslab+0x10/0x28 [ 88.170943][ T5592] slab_pre_alloc_hook+0x64/0xec [ 88.171696][ T5592] kmem_cache_alloc+0x94/0x3e4 [ 88.172358][ T5592] __debug_object_init+0x774/0x98c [ 88.173139][ T5592] debug_object_init+0x20/0x2c [ 88.173868][ T5592] __percpu_counter_init+0x10c/0x26c [ 88.174624][ T5592] blkg_rwstat_init+0xa0/0x2b8 [ 88.175340][ T5592] throtl_pd_alloc+0xc0/0x4ec [ 88.175991][ T5592] blkcg_activate_policy+0x204/0xa8c [ 88.176731][ T5592] blk_throtl_init+0x308/0x3ec [ 88.177424][ T5592] blkcg_init_queue+0x3cc/0x484 [ 88.178148][ T5592] blk_alloc_queue+0x3cc/0x4a0 [ 88.178841][ T5592] __blk_mq_alloc_disk+0x5c/0x154 [ 88.179587][ T5592] loop_add+0x240/0x6e0 [ 88.180209][ T5592] loop_control_ioctl+0x128/0x4d0 [ 88.180938][ T5592] __arm64_sys_ioctl+0x14c/0x1c8 [ 88.181605][ T5592] invoke_syscall+0x98/0x2b8 [ 88.182291][ T5592] el0_svc_common+0x138/0x258 [ 88.182970][ T5592] do_el0_svc+0x58/0x14c [ 88.183610][ T5592] el0_svc+0x78/0x1e0 [ 88.184178][ T5592] el0t_64_sync_handler+0xcc/0xe4 [ 88.184882][ T5592] el0t_64_sync+0x1a0/0x1a4 [ 88.201095][ T5594] FAULT_INJECTION: forcing a failure. [ 88.201095][ T5594] name failslab, interval 1, probability 0, space 0, times 0 [ 88.202881][ T5594] CPU: 1 PID: 5594 Comm: syz.0.307 Tainted: G W syzkaller #0 [ 88.204144][ T5594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 88.205501][ T5594] Call trace: [ 88.205966][ T5594] dump_backtrace+0x0/0x43c [ 88.206640][ T5594] show_stack+0x2c/0x3c [ 88.207270][ T5594] __dump_stack+0x30/0x40 [ 88.207879][ T5594] dump_stack_lvl+0xf8/0x160 [ 88.208535][ T5594] dump_stack+0x1c/0x5c [ 88.209163][ T5594] should_fail+0x3c0/0x51c [ 88.209786][ T5594] __should_failslab+0xbc/0x10c [ 88.210477][ T5594] should_failslab+0x10/0x28 [ 88.211182][ T5594] slab_pre_alloc_hook+0x64/0xec [ 88.211942][ T5594] kmem_cache_alloc+0x94/0x3e4 [ 88.212637][ T5594] __debug_object_init+0x670/0x98c [ 88.213395][ T5594] debug_object_init+0x20/0x2c [ 88.214061][ T5594] __init_work+0x58/0x68 [ 88.214688][ T5594] wb_init+0x3dc/0x6ec [ 88.215246][ T5594] bdi_init+0x1b4/0x2f4 [ 88.215863][ T5594] bdi_alloc+0x6c/0x144 [ 88.216454][ T5594] __alloc_disk_node+0x8c/0x458 [ 88.217154][ T5594] __blk_mq_alloc_disk+0xe8/0x154 [ 88.217907][ T5594] loop_add+0x240/0x6e0 [ 88.218547][ T5594] loop_control_ioctl+0x128/0x4d0 [ 88.219294][ T5594] __arm64_sys_ioctl+0x14c/0x1c8 [ 88.220045][ T5594] invoke_syscall+0x98/0x2b8 [ 88.220745][ T5594] el0_svc_common+0x138/0x258 [ 88.221457][ T5594] do_el0_svc+0x58/0x14c [ 88.222187][ T5594] el0_svc+0x78/0x1e0 [ 88.222723][ T5594] el0t_64_sync_handler+0xcc/0xe4 [ 88.223500][ T5594] el0t_64_sync+0x1a0/0x1a4 [ 88.237603][ T5596] FAULT_INJECTION: forcing a failure. [ 88.237603][ T5596] name failslab, interval 1, probability 0, space 0, times 0 [ 88.239424][ T5596] CPU: 1 PID: 5596 Comm: syz.0.308 Tainted: G W syzkaller #0 [ 88.240679][ T5596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 88.242105][ T5596] Call trace: [ 88.242560][ T5596] dump_backtrace+0x0/0x43c [ 88.243224][ T5596] show_stack+0x2c/0x3c [ 88.243925][ T5596] __dump_stack+0x30/0x40 [ 88.244609][ T5596] dump_stack_lvl+0xf8/0x160 [ 88.245288][ T5596] dump_stack+0x1c/0x5c [ 88.245924][ T5596] should_fail+0x3c0/0x51c [ 88.246536][ T5596] __should_failslab+0xbc/0x10c [ 88.247248][ T5596] should_failslab+0x10/0x28 [ 88.247923][ T5596] slab_pre_alloc_hook+0x64/0xec [ 88.248670][ T5596] __kmalloc_track_caller+0x74/0x370 [ 88.249485][ T5596] kstrdup+0xe4/0x15c [ 88.250067][ T5596] kstrdup_const+0x54/0x6c [ 88.250719][ T5596] kvasprintf_const+0x118/0x2d0 [ 88.251410][ T5596] kobject_set_name_vargs+0xcc/0x1b4 [ 88.252202][ T5596] dev_set_name+0xd8/0x124 [ 88.252819][ T5596] device_add_disk+0x258/0xad0 [ 88.253442][ T5596] loop_add+0x510/0x6e0 [ 88.254116][ T5596] loop_control_ioctl+0x128/0x4d0 [ 88.254987][ T5596] __arm64_sys_ioctl+0x14c/0x1c8 [ 88.255855][ T5596] invoke_syscall+0x98/0x2b8 [ 88.256630][ T5596] el0_svc_common+0x138/0x258 [ 88.257346][ T5596] do_el0_svc+0x58/0x14c [ 88.258007][ T5596] el0_svc+0x78/0x1e0 [ 88.258612][ T5596] el0t_64_sync_handler+0xcc/0xe4 [ 88.259382][ T5596] el0t_64_sync+0x1a0/0x1a4 1970/01/01 00:01:28 executed programs: 294 [ 88.270301][ T5598] FAULT_INJECTION: forcing a failure. [ 88.270301][ T5598] name failslab, interval 1, probability 0, space 0, times 0 [ 88.272270][ T5598] CPU: 1 PID: 5598 Comm: syz.0.309 Tainted: G W syzkaller #0 [ 88.273671][ T5598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 88.275294][ T5598] Call trace: [ 88.275790][ T5598] dump_backtrace+0x0/0x43c [ 88.276459][ T5598] show_stack+0x2c/0x3c [ 88.277163][ T5598] __dump_stack+0x30/0x40 [ 88.277887][ T5598] dump_stack_lvl+0xf8/0x160 [ 88.278639][ T5598] dump_stack+0x1c/0x5c [ 88.279211][ T5598] should_fail+0x3c0/0x51c [ 88.279794][ T5598] __should_failslab+0xbc/0x10c [ 88.280527][ T5598] should_failslab+0x10/0x28 [ 88.281138][ T5598] slab_pre_alloc_hook+0x64/0xec [ 88.281812][ T5598] kmem_cache_alloc_node_trace+0x9c/0x438 [ 88.282609][ T5598] throtl_pd_alloc+0xac/0x4ec [ 88.283299][ T5598] blkcg_activate_policy+0x204/0xa8c [ 88.283998][ T5598] blk_throtl_init+0x308/0x3ec [ 88.284709][ T5598] blkcg_init_queue+0x3cc/0x484 [ 88.285414][ T5598] blk_alloc_queue+0x3cc/0x4a0 [ 88.286122][ T5598] __blk_mq_alloc_disk+0x5c/0x154 [ 88.286925][ T5598] loop_add+0x240/0x6e0 [ 88.287550][ T5598] loop_control_ioctl+0x128/0x4d0 [ 88.288352][ T5598] __arm64_sys_ioctl+0x14c/0x1c8 [ 88.289109][ T5598] invoke_syscall+0x98/0x2b8 [ 88.289858][ T5598] el0_svc_common+0x138/0x258 [ 88.290616][ T5598] do_el0_svc+0x58/0x14c [ 88.291294][ T5598] el0_svc+0x78/0x1e0 [ 88.291893][ T5598] el0t_64_sync_handler+0xcc/0xe4 [ 88.292682][ T5598] el0t_64_sync+0x1a0/0x1a4 [ 88.306214][ T5600] FAULT_INJECTION: forcing a failure. [ 88.306214][ T5600] name failslab, interval 1, probability 0, space 0, times 0 [ 88.308078][ T5600] CPU: 0 PID: 5600 Comm: syz.0.310 Tainted: G W syzkaller #0 [ 88.309397][ T5600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 88.310848][ T5600] Call trace: [ 88.311347][ T5600] dump_backtrace+0x0/0x43c [ 88.312076][ T5600] show_stack+0x2c/0x3c [ 88.312721][ T5600] __dump_stack+0x30/0x40 [ 88.313370][ T5600] dump_stack_lvl+0xf8/0x160 [ 88.314077][ T5600] dump_stack+0x1c/0x5c [ 88.314770][ T5600] should_fail+0x3c0/0x51c [ 88.315394][ T5600] __should_failslab+0xbc/0x10c [ 88.316135][ T5600] should_failslab+0x10/0x28 [ 88.316829][ T5600] slab_pre_alloc_hook+0x64/0xec [ 88.317586][ T5600] __kmalloc_track_caller+0x74/0x370 [ 88.318352][ T5600] kstrdup+0xe4/0x15c [ 88.318942][ T5600] kstrdup_const+0x54/0x6c [ 88.319587][ T5600] kvasprintf_const+0x118/0x2d0 [ 88.320325][ T5600] kobject_set_name_vargs+0xcc/0x1b4 [ 88.321131][ T5600] dev_set_name+0xd8/0x124 [ 88.321775][ T5600] device_add_disk+0x258/0xad0 [ 88.322488][ T5600] loop_add+0x510/0x6e0 [ 88.323082][ T5600] loop_control_ioctl+0x128/0x4d0 [ 88.323814][ T5600] __arm64_sys_ioctl+0x14c/0x1c8 [ 88.324568][ T5600] invoke_syscall+0x98/0x2b8 [ 88.325251][ T5600] el0_svc_common+0x138/0x258 [ 88.326005][ T5600] do_el0_svc+0x58/0x14c [ 88.326638][ T5600] el0_svc+0x78/0x1e0 [ 88.327193][ T5600] el0t_64_sync_handler+0xcc/0xe4 [ 88.327920][ T5600] el0t_64_sync+0x1a0/0x1a4 [ 88.336884][ T5602] FAULT_INJECTION: forcing a failure. [ 88.336884][ T5602] name failslab, interval 1, probability 0, space 0, times 0 [ 88.338982][ T5602] CPU: 1 PID: 5602 Comm: syz.0.311 Tainted: G W syzkaller #0 [ 88.340456][ T5602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 88.341884][ T5602] Call trace: [ 88.342401][ T5602] dump_backtrace+0x0/0x43c [ 88.343065][ T5602] show_stack+0x2c/0x3c [ 88.343679][ T5602] __dump_stack+0x30/0x40 [ 88.344266][ T5602] dump_stack_lvl+0xf8/0x160 [ 88.344873][ T5602] dump_stack+0x1c/0x5c [ 88.345525][ T5602] should_fail+0x3c0/0x51c [ 88.346183][ T5602] __should_failslab+0xbc/0x10c