Warning: Permanently added '10.128.0.135' (ED25519) to the list of known hosts. 1970/01/01 00:01:02 parsed 1 programs [ 63.473716][ T4490] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 64.756387][ T4572] chnl_net:caif_netlink_parms(): no params data found [ 64.776214][ T4572] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.777398][ T4572] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.778943][ T4572] device bridge_slave_0 entered promiscuous mode [ 64.781008][ T4572] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.782145][ T4572] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.783630][ T4572] device bridge_slave_1 entered promiscuous mode [ 64.792586][ T4572] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.795134][ T4572] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.803983][ T4572] team0: Port device team_slave_0 added [ 64.806141][ T4572] team0: Port device team_slave_1 added [ 64.813512][ T4572] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 64.814589][ T4572] 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. [ 64.818694][ T4572] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 64.821637][ T4572] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 64.822707][ T4572] 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. [ 64.826952][ T4572] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 64.901640][ T4572] device hsr_slave_0 entered promiscuous mode [ 64.940521][ T4572] device hsr_slave_1 entered promiscuous mode [ 65.572196][ T4572] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.612110][ T4572] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.633962][ T4572] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.673544][ T4572] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.711245][ T4572] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.712482][ T4572] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.713818][ T4572] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.715035][ T4572] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.742982][ T4572] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.747663][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.749365][ T148] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.753098][ T148] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.759291][ T4572] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.831686][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.833464][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.834957][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.836057][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.837780][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.839437][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.842030][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.843178][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.844684][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.846350][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.848059][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.849647][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.852413][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.854217][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.855783][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.857361][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.858877][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.861967][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.863616][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.866231][ T4572] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.976219][ T4572] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.981018][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.982254][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.993224][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 65.994988][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.005804][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.007298][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.008940][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.011593][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.021576][ T4572] device veth0_vlan entered promiscuous mode [ 66.025011][ T4572] device veth1_vlan entered promiscuous mode [ 66.042676][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.044248][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 66.045627][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 66.047217][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 66.049755][ T4572] device veth0_macvtap entered promiscuous mode [ 66.052902][ T4572] device veth1_macvtap entered promiscuous mode [ 66.058522][ T4572] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 66.060622][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 66.062247][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 66.063787][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 66.065315][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 66.067699][ T4572] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 66.068924][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 66.081665][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 66.084771][ T4572] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.086192][ T4572] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.087609][ T4572] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.088971][ T4572] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.385117][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.386458][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.387486][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 66.401998][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.403254][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.404551][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 66.756357][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.083900][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.621831][ T2065] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.623283][ T2065] ieee802154 phy1 wpan1: encryption failed: -22 [ 69.626185][ T1541] cfg80211: failed to load regulatory.db [ 71.144046][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 71.205136][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:11 executed programs: 0 [ 71.887707][ T4965] chnl_net:caif_netlink_parms(): no params data found [ 71.917426][ T4965] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.918602][ T4965] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.920187][ T4965] device bridge_slave_0 entered promiscuous mode [ 71.930442][ T4965] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.932207][ T4965] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.933875][ T4965] device bridge_slave_1 entered promiscuous mode [ 71.944274][ T4965] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.946929][ T4965] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.956701][ T4965] team0: Port device team_slave_0 added [ 71.959664][ T4965] team0: Port device team_slave_1 added [ 71.968660][ T4965] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 71.969780][ T4965] 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. [ 71.974431][ T4965] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 71.976721][ T4965] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 71.977850][ T4965] 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. [ 71.981995][ T4965] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 72.041720][ T4965] device hsr_slave_0 entered promiscuous mode [ 72.091328][ T4965] device hsr_slave_1 entered promiscuous mode [ 72.110572][ T4965] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.111848][ T4965] Cannot create hsr debugfs directory [ 72.633153][ T4965] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 72.652646][ T4965] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 72.681493][ T4965] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 72.723126][ T4965] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 72.777261][ T4965] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.778483][ T4965] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.779819][ T4965] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.781154][ T4965] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.802777][ T4965] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.807149][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.808998][ T1639] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.813152][ T1639] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.815030][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 72.819373][ T4965] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.825276][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.826754][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.827858][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.835239][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.836762][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.837952][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.847891][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.849609][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.856396][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.860052][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.865289][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.868180][ T4965] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.916495][ T4965] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.927995][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.929244][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.934255][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 72.935910][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.944244][ T4965] device veth0_vlan entered promiscuous mode [ 72.947705][ T4965] device veth1_vlan entered promiscuous mode [ 72.951275][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 72.952887][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 72.954465][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 72.956742][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 72.958200][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 72.966759][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 72.968380][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 72.969895][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 72.973201][ T4965] device veth0_macvtap entered promiscuous mode [ 72.976320][ T4965] device veth1_macvtap entered promiscuous mode [ 72.986528][ T4965] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 72.988273][ T4965] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 72.991699][ T4965] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 72.993016][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 72.994602][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 72.996215][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 72.997752][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 73.003508][ T4965] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 73.005224][ T4965] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 73.007431][ T4965] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 73.008726][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 73.010460][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 73.013947][ T4965] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.015362][ T4965] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.016707][ T4965] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.018055][ T4965] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.045941][ T1639] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 73.047306][ T1639] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 73.048567][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 73.058438][ T1639] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 73.059641][ T1639] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 73.063223][ T1639] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 73.095016][ T5105] FAULT_INJECTION: forcing a failure. [ 73.095016][ T5105] name failslab, interval 1, probability 0, space 0, times 1 [ 73.097123][ T5105] CPU: 0 PID: 5105 Comm: syz.0.15 Not tainted syzkaller #0 [ 73.098351][ T5105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.100005][ T5105] Call trace: [ 73.100529][ T5105] dump_backtrace+0x0/0x458 [ 73.101293][ T5105] show_stack+0x2c/0x3c [ 73.102034][ T5105] __dump_stack+0x30/0x40 [ 73.102743][ T5105] dump_stack_lvl+0xf4/0x15c [ 73.103451][ T5105] dump_stack+0x1c/0x5c [ 73.104175][ T5105] should_fail+0x3bc/0x514 [ 73.104966][ T5105] __should_failslab+0xbc/0x10c [ 73.105820][ T5105] should_failslab+0x10/0x28 [ 73.106584][ T5105] slab_pre_alloc_hook+0x64/0xe8 [ 73.107407][ T5105] __kmalloc_node+0xb8/0x508 [ 73.108186][ T5105] memcg_alloc_page_obj_cgroups+0x80/0x170 [ 73.109250][ T5105] slab_post_alloc_hook+0xb8/0x3f8 [ 73.110056][ T5105] kmem_cache_alloc+0x1d8/0x3d4 [ 73.110891][ T5105] bdev_alloc_inode+0x24/0x60 [ 73.111752][ T5105] new_inode_pseudo+0x68/0x1fc [ 73.112555][ T5105] new_inode+0x38/0x174 [ 73.113225][ T5105] bdev_alloc+0x30/0x1f8 [ 73.113954][ T5105] __alloc_disk_node+0xbc/0x450 [ 73.114719][ T5105] __blk_mq_alloc_disk+0xe8/0x154 [ 73.115549][ T5105] loop_add+0x240/0x6e0 [ 73.116249][ T5105] loop_control_ioctl+0x130/0x4e0 [ 73.117083][ T5105] __arm64_sys_ioctl+0x14c/0x1c8 [ 73.117899][ T5105] invoke_syscall+0x98/0x2b0 [ 73.118674][ T5105] el0_svc_common+0x138/0x258 [ 73.119437][ T5105] do_el0_svc+0x58/0x13c [ 73.120139][ T5105] el0_svc+0x78/0x1d0 [ 73.120795][ T5105] el0t_64_sync_handler+0xcc/0xe4 [ 73.121652][ T5105] el0t_64_sync+0x1a0/0x1a4 [ 73.143619][ T5112] FAULT_INJECTION: forcing a failure. [ 73.143619][ T5112] name failslab, interval 1, probability 0, space 0, times 0 [ 73.149504][ T5112] CPU: 0 PID: 5112 Comm: syz.0.16 Not tainted syzkaller #0 [ 73.150631][ T5112] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.152222][ T5112] Call trace: [ 73.152729][ T5112] dump_backtrace+0x0/0x458 [ 73.153490][ T5112] show_stack+0x2c/0x3c [ 73.154156][ T5112] __dump_stack+0x30/0x40 [ 73.154922][ T5112] dump_stack_lvl+0xf4/0x15c [ 73.155706][ T5112] dump_stack+0x1c/0x5c [ 73.156422][ T5112] should_fail+0x3bc/0x514 [ 73.157137][ T5112] __should_failslab+0xbc/0x10c [ 73.157958][ T5112] should_failslab+0x10/0x28 [ 73.158713][ T5112] slab_pre_alloc_hook+0x64/0xe8 [ 73.159505][ T5112] __kmalloc_node+0xb8/0x508 [ 73.160278][ T5112] memcg_alloc_page_obj_cgroups+0x80/0x170 [ 73.161318][ T5112] new_slab+0x114/0x544 [ 73.161980][ T5112] ___slab_alloc+0x6b4/0xd8c [ 73.162764][ T5112] __slab_alloc+0x68/0xc0 [ 73.163510][ T5112] kmem_cache_alloc+0x2a4/0x3d4 [ 73.164366][ T5112] bdev_alloc_inode+0x24/0x60 [ 73.165212][ T5112] new_inode_pseudo+0x68/0x1fc [ 73.166034][ T5112] new_inode+0x38/0x174 [ 73.166666][ T5112] bdev_alloc+0x30/0x1f8 [ 73.167420][ T5112] __alloc_disk_node+0xbc/0x450 [ 73.168221][ T5112] __blk_mq_alloc_disk+0xe8/0x154 [ 73.169123][ T5112] loop_add+0x240/0x6e0 [ 73.169843][ T5112] loop_control_ioctl+0x130/0x4e0 [ 73.170787][ T5112] __arm64_sys_ioctl+0x14c/0x1c8 [ 73.171629][ T5112] invoke_syscall+0x98/0x2b0 [ 73.172446][ T5112] el0_svc_common+0x138/0x258 [ 73.173263][ T5112] do_el0_svc+0x58/0x13c [ 73.174019][ T5112] el0_svc+0x78/0x1d0 [ 73.174692][ T5112] el0t_64_sync_handler+0xcc/0xe4 [ 73.175526][ T5112] el0t_64_sync+0x1a0/0x1a4 [ 73.197090][ T5116] FAULT_INJECTION: forcing a failure. [ 73.197090][ T5116] name failslab, interval 1, probability 0, space 0, times 0 [ 73.199290][ T5116] CPU: 0 PID: 5116 Comm: syz.0.17 Not tainted syzkaller #0 [ 73.200469][ T5116] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.202164][ T5116] Call trace: [ 73.202656][ T5116] dump_backtrace+0x0/0x458 [ 73.203466][ T5116] show_stack+0x2c/0x3c [ 73.204139][ T5116] __dump_stack+0x30/0x40 [ 73.204841][ T5116] dump_stack_lvl+0xf4/0x15c [ 73.205563][ T5116] dump_stack+0x1c/0x5c [ 73.206213][ T5116] should_fail+0x3bc/0x514 [ 73.206969][ T5116] __should_failslab+0xbc/0x10c [ 73.207744][ T5116] should_failslab+0x10/0x28 [ 73.208567][ T5116] slab_pre_alloc_hook+0x64/0xe8 [ 73.209410][ T5116] kmem_cache_alloc+0x94/0x3d4 [ 73.210258][ T5116] __debug_object_init+0x7c8/0xa0c [ 73.211062][ T5116] debug_object_init+0x20/0x2c [ 73.211829][ T5116] __percpu_counter_init+0x10c/0x26c [ 73.212724][ T5116] blkg_rwstat_init+0x164/0x2b8 [ 73.213534][ T5116] throtl_pd_alloc+0xc0/0x4ec [ 73.214367][ T5116] blkcg_activate_policy+0x204/0xa8c [ 73.215339][ T5116] blk_throtl_init+0x308/0x3ec [ 73.216214][ T5116] blkcg_init_queue+0x3cc/0x484 [ 73.217038][ T5116] blk_alloc_queue+0x3cc/0x4a0 [ 73.217841][ T5116] __blk_mq_alloc_disk+0x5c/0x154 [ 73.218715][ T5116] loop_add+0x240/0x6e0 [ 73.219442][ T5116] loop_control_ioctl+0x130/0x4e0 [ 73.220370][ T5116] __arm64_sys_ioctl+0x14c/0x1c8 [ 73.221259][ T5116] invoke_syscall+0x98/0x2b0 [ 73.222004][ T5116] el0_svc_common+0x138/0x258 [ 73.222809][ T5116] do_el0_svc+0x58/0x13c [ 73.223512][ T5116] el0_svc+0x78/0x1d0 [ 73.224177][ T5116] el0t_64_sync_handler+0xcc/0xe4 [ 73.225018][ T5116] el0t_64_sync+0x1a0/0x1a4 [ 73.242753][ T5118] FAULT_INJECTION: forcing a failure. [ 73.242753][ T5118] name failslab, interval 1, probability 0, space 0, times 0 [ 73.244993][ T5118] CPU: 0 PID: 5118 Comm: syz.0.18 Not tainted syzkaller #0 [ 73.246240][ T5118] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.247957][ T5118] Call trace: [ 73.248616][ T5118] dump_backtrace+0x0/0x458 [ 73.249389][ T5118] show_stack+0x2c/0x3c [ 73.250042][ T5118] __dump_stack+0x30/0x40 [ 73.250746][ T5118] dump_stack_lvl+0xf4/0x15c [ 73.251546][ T5118] dump_stack+0x1c/0x5c [ 73.252245][ T5118] should_fail+0x3bc/0x514 [ 73.253004][ T5118] __should_failslab+0xbc/0x10c [ 73.253810][ T5118] should_failslab+0x10/0x28 [ 73.254694][ T5118] slab_pre_alloc_hook+0x64/0xe8 [ 73.255498][ T5118] __kmalloc_track_caller+0x70/0x358 [ 73.256367][ T5118] kstrdup+0xe4/0x15c [ 73.257044][ T5118] kstrdup_const+0x54/0x6c [ 73.257705][ T5118] kvasprintf_const+0x120/0x2e4 [ 73.258428][ T5118] kobject_set_name_vargs+0xd8/0x1c8 [ 73.259300][ T5118] dev_set_name+0xe8/0x13c [ 73.260067][ T5118] device_add_disk+0x258/0xacc [ 73.260861][ T5118] loop_add+0x510/0x6e0 [ 73.261555][ T5118] loop_control_ioctl+0x130/0x4e0 [ 73.262364][ T5118] __arm64_sys_ioctl+0x14c/0x1c8 [ 73.263130][ T5118] invoke_syscall+0x98/0x2b0 [ 73.263848][ T5118] el0_svc_common+0x138/0x258 [ 73.264584][ T5118] do_el0_svc+0x58/0x13c [ 73.265326][ T5118] el0_svc+0x78/0x1d0 [ 73.266043][ T5118] el0t_64_sync_handler+0xcc/0xe4 [ 73.266935][ T5118] el0t_64_sync+0x1a0/0x1a4 [ 73.268735][ T5118] ------------[ cut here ]------------ [ 73.269667][ T5118] WARNING: CPU: 0 PID: 5118 at block/genhd.c:547 device_add_disk+0x5d4/0xacc [ 73.271011][ T5118] Modules linked in: [ 73.271732][ T5118] CPU: 0 PID: 5118 Comm: syz.0.18 Not tainted syzkaller #0 [ 73.272829][ T5118] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.274428][ T5118] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 73.275689][ T5118] pc : device_add_disk+0x5d4/0xacc [ 73.276579][ T5118] lr : device_add_disk+0x5d0/0xacc [ 73.277478][ T5118] sp : ffff800020897b60 [ 73.278211][ T5118] x29: ffff800020897bc0 x28: dfff800000000000 x27: ffff0000e2ef0bc0 [ 73.279607][ T5118] x26: ffff0000e2ef10bc x25: 00000000ffffffea x24: ffff0000e90410a0 [ 73.280926][ T5118] x23: 1fffe0001d208214 x22: 0000000000000001 x21: ffff0000e9041090 [ 73.282211][ T5118] x20: 0000000000000007 x19: ffff0000e9041004 x18: 0000000000000001 [ 73.283429][ T5118] x17: 0000000000000000 x16: ffff8000082c2cc0 x15: ffff8000089292ac [ 73.284819][ T5118] x14: 0000000000000001 x13: 1fffe0001c5de187 x12: 0000000000ff0100 [ 73.286126][ T5118] x11: 0000000000000000 x10: 0000000000000000 x9 : ffff80000a6386d0 [ 73.287544][ T5118] x8 : ffff0000d35bb680 x7 : 0000000000000000 x6 : ffff80000805b5c8 [ 73.288844][ T5118] x5 : ffff0000ef5bd330 x4 : 0000000000000000 x3 : ffff80000a93b8c0 [ 73.290127][ T5118] x2 : 0000000000000001 x1 : 0000000000000007 x0 : 0000000000000103 [ 73.291440][ T5118] Call trace: [ 73.291985][ T5118] device_add_disk+0x5d4/0xacc [ 73.292812][ T5118] loop_add+0x510/0x6e0 [ 73.293561][ T5118] loop_control_ioctl+0x130/0x4e0 [ 73.294438][ T5118] __arm64_sys_ioctl+0x14c/0x1c8 [ 73.295290][ T5118] invoke_syscall+0x98/0x2b0 [ 73.296147][ T5118] el0_svc_common+0x138/0x258 [ 73.296930][ T5118] do_el0_svc+0x58/0x13c [ 73.297660][ T5118] el0_svc+0x78/0x1d0 [ 73.298321][ T5118] el0t_64_sync_handler+0xcc/0xe4 [ 73.299225][ T5118] el0t_64_sync+0x1a0/0x1a4 [ 73.299953][ T5118] irq event stamp: 470 [ 73.300688][ T5118] hardirqs last enabled at (469): [] kasan_quarantine_put+0xc4/0x200 [ 73.302433][ T5118] hardirqs last disabled at (470): [] el1_dbg+0x24/0x80 [ 73.303905][ T5118] softirqs last enabled at (458): [] handle_softirqs+0xa40/0xbe4 [ 73.305411][ T5118] softirqs last disabled at (423): [] __irq_exit_rcu+0x240/0x43c [ 73.306992][ T5118] ---[ end trace b28fed112c14a6c1 ]--- [ 73.318720][ T5120] FAULT_INJECTION: forcing a failure. [ 73.318720][ T5120] name failslab, interval 1, probability 0, space 0, times 0 [ 73.321520][ T5120] CPU: 0 PID: 5120 Comm: syz.0.19 Tainted: G W syzkaller #0 [ 73.322925][ T5120] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.324627][ T5120] Call trace: [ 73.325218][ T5120] dump_backtrace+0x0/0x458 [ 73.326050][ T5120] show_stack+0x2c/0x3c [ 73.326780][ T5120] __dump_stack+0x30/0x40 [ 73.327590][ T5120] dump_stack_lvl+0xf4/0x15c [ 73.328397][ T5120] dump_stack+0x1c/0x5c [ 73.329083][ T5120] should_fail+0x3bc/0x514 [ 73.329784][ T5120] __should_failslab+0xbc/0x10c [ 73.330556][ T5120] should_failslab+0x10/0x28 [ 73.331284][ T5120] slab_pre_alloc_hook+0x64/0xe8 [ 73.332161][ T5120] __kmalloc_track_caller+0x70/0x358 [ 73.333073][ T5120] kstrdup+0xe4/0x15c [ 73.333705][ T5120] kstrdup_const+0x54/0x6c [ 73.334396][ T5120] kvasprintf_const+0x120/0x2e4 [ 73.335195][ T5120] kobject_set_name_vargs+0xd8/0x1c8 [ 73.336114][ T5120] dev_set_name+0xe8/0x13c [ 73.336855][ T5120] device_add_disk+0x258/0xacc [ 73.337661][ T5120] loop_add+0x510/0x6e0 [ 73.338363][ T5120] loop_control_ioctl+0x130/0x4e0 [ 73.339287][ T5120] __arm64_sys_ioctl+0x14c/0x1c8 [ 73.340138][ T5120] invoke_syscall+0x98/0x2b0 [ 73.340881][ T5120] el0_svc_common+0x138/0x258 [ 73.341672][ T5120] do_el0_svc+0x58/0x13c [ 73.342378][ T5120] el0_svc+0x78/0x1d0 [ 73.343074][ T5120] el0t_64_sync_handler+0xcc/0xe4 [ 73.343879][ T5120] el0t_64_sync+0x1a0/0x1a4 [ 73.353250][ T5122] FAULT_INJECTION: forcing a failure. [ 73.353250][ T5122] name failslab, interval 1, probability 0, space 0, times 0 [ 73.355260][ T5122] CPU: 1 PID: 5122 Comm: syz.0.20 Tainted: G W syzkaller #0 [ 73.356693][ T5122] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.358391][ T5122] Call trace: [ 73.359009][ T5122] dump_backtrace+0x0/0x458 [ 73.359809][ T5122] show_stack+0x2c/0x3c [ 73.360490][ T5122] __dump_stack+0x30/0x40 [ 73.361236][ T5122] dump_stack_lvl+0xf4/0x15c [ 73.362051][ T5122] dump_stack+0x1c/0x5c [ 73.362794][ T5122] should_fail+0x3bc/0x514 [ 73.363568][ T5122] __should_failslab+0xbc/0x10c [ 73.364379][ T5122] should_failslab+0x10/0x28 [ 73.365147][ T5122] slab_pre_alloc_hook+0x64/0xe8 [ 73.366020][ T5122] __kmalloc_track_caller+0x70/0x358 [ 73.366966][ T5122] kstrdup+0xe4/0x15c [ 73.367594][ T5122] kstrdup_const+0x54/0x6c [ 73.368388][ T5122] kvasprintf_const+0x120/0x2e4 [ 73.369236][ T5122] kobject_set_name_vargs+0xd8/0x1c8 [ 73.370182][ T5122] dev_set_name+0xe8/0x13c [ 73.370946][ T5122] device_add_disk+0x258/0xacc [ 73.371838][ T5122] loop_add+0x510/0x6e0 [ 73.372578][ T5122] loop_control_ioctl+0x130/0x4e0 [ 73.373490][ T5122] __arm64_sys_ioctl+0x14c/0x1c8 [ 73.374306][ T5122] invoke_syscall+0x98/0x2b0 [ 73.375083][ T5122] el0_svc_common+0x138/0x258 [ 73.375862][ T5122] do_el0_svc+0x58/0x13c [ 73.376678][ T5122] el0_svc+0x78/0x1d0 [ 73.377375][ T5122] el0t_64_sync_handler+0xcc/0xe4 [ 73.378147][ T5122] el0t_64_sync+0x1a0/0x1a4 [ 73.390188][ T5124] FAULT_INJECTION: forcing a failure. [ 73.390188][ T5124] name failslab, interval 1, probability 0, space 0, times 0 [ 73.393243][ T5124] CPU: 1 PID: 5124 Comm: syz.0.21 Tainted: G W syzkaller #0 [ 73.394593][ T5124] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.396262][ T5124] Call trace: [ 73.396756][ T5124] dump_backtrace+0x0/0x458 [ 73.397445][ T5124] show_stack+0x2c/0x3c [ 73.398089][ T5124] __dump_stack+0x30/0x40 [ 73.398819][ T5124] dump_stack_lvl+0xf4/0x15c [ 73.399590][ T5124] dump_stack+0x1c/0x5c [ 73.400242][ T5124] should_fail+0x3bc/0x514 [ 73.400972][ T5124] __should_failslab+0xbc/0x10c [ 73.401884][ T5124] should_failslab+0x10/0x28 [ 73.402720][ T5124] slab_pre_alloc_hook+0x64/0xe8 [ 73.403623][ T5124] kmem_cache_alloc_trace+0x98/0x3ec [ 73.404552][ T5124] rand_initialize_disk+0x58/0xb8 [ 73.405465][ T5124] __alloc_disk_node+0x2a8/0x450 [ 73.406249][ T5124] __blk_mq_alloc_disk+0xe8/0x154 [ 73.407105][ T5124] loop_add+0x240/0x6e0 [ 73.407837][ T5124] loop_control_ioctl+0x130/0x4e0 [ 73.408682][ T5124] __arm64_sys_ioctl+0x14c/0x1c8 [ 73.409484][ T5124] invoke_syscall+0x98/0x2b0 [ 73.410142][ T5124] el0_svc_common+0x138/0x258 [ 73.410862][ T5124] do_el0_svc+0x58/0x13c [ 73.411563][ T5124] el0_svc+0x78/0x1d0 [ 73.412211][ T5124] el0t_64_sync_handler+0xcc/0xe4 [ 73.413225][ T5124] el0t_64_sync+0x1a0/0x1a4 [ 73.427689][ T5126] FAULT_INJECTION: forcing a failure. [ 73.427689][ T5126] name failslab, interval 1, probability 0, space 0, times 0 [ 73.429803][ T5126] CPU: 0 PID: 5126 Comm: syz.0.22 Tainted: G W syzkaller #0 [ 73.431248][ T5126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.432976][ T5126] Call trace: [ 73.433514][ T5126] dump_backtrace+0x0/0x458 [ 73.434239][ T5126] show_stack+0x2c/0x3c [ 73.434950][ T5126] __dump_stack+0x30/0x40 [ 73.435655][ T5126] dump_stack_lvl+0xf4/0x15c [ 73.436460][ T5126] dump_stack+0x1c/0x5c [ 73.437136][ T5126] should_fail+0x3bc/0x514 [ 73.437862][ T5126] __should_failslab+0xbc/0x10c [ 73.438636][ T5126] should_failslab+0x10/0x28 [ 73.439346][ T5126] slab_pre_alloc_hook+0x64/0xe8 [ 73.440125][ T5126] __kmalloc_track_caller+0x70/0x358 [ 73.440979][ T5126] kstrdup+0xe4/0x15c [ 73.441673][ T5126] kstrdup_const+0x54/0x6c [ 73.442422][ T5126] kvasprintf_const+0x120/0x2e4 [ 73.443230][ T5126] kobject_set_name_vargs+0xd8/0x1c8 [ 73.444125][ T5126] dev_set_name+0xe8/0x13c [ 73.444827][ T5126] device_add_disk+0x258/0xacc [ 73.445606][ T5126] loop_add+0x510/0x6e0 [ 73.446314][ T5126] loop_control_ioctl+0x130/0x4e0 [ 73.447057][ T5126] __arm64_sys_ioctl+0x14c/0x1c8 [ 73.447891][ T5126] invoke_syscall+0x98/0x2b0 [ 73.448606][ T5126] el0_svc_common+0x138/0x258 [ 73.449351][ T5126] do_el0_svc+0x58/0x13c [ 73.450065][ T5126] el0_svc+0x78/0x1d0 [ 73.450732][ T5126] el0t_64_sync_handler+0xcc/0xe4 [ 73.451643][ T5126] el0t_64_sync+0x1a0/0x1a4 [ 73.463474][ T5128] FAULT_INJECTION: forcing a failure. [ 73.463474][ T5128] name failslab, interval 1, probability 0, space 0, times 0 [ 73.465384][ T5128] CPU: 0 PID: 5128 Comm: syz.0.23 Tainted: G W syzkaller #0 [ 73.466753][ T5128] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.468523][ T5128] Call trace: [ 73.469074][ T5128] dump_backtrace+0x0/0x458 [ 73.469856][ T5128] show_stack+0x2c/0x3c [ 73.470574][ T5128] __dump_stack+0x30/0x40 [ 73.471364][ T5128] dump_stack_lvl+0xf4/0x15c [ 73.472130][ T5128] dump_stack+0x1c/0x5c [ 73.472863][ T5128] should_fail+0x3bc/0x514 [ 73.473623][ T5128] __should_failslab+0xbc/0x10c [ 73.474537][ T5128] should_failslab+0x10/0x28 [ 73.475361][ T5128] slab_pre_alloc_hook+0x64/0xe8 [ 73.476166][ T5128] kmem_cache_alloc+0x94/0x3d4 [ 73.476876][ T5128] __debug_object_init+0x7c8/0xa0c [ 73.477617][ T5128] debug_object_init+0x20/0x2c [ 73.478411][ T5128] __percpu_counter_init+0x10c/0x26c [ 73.479218][ T5128] blkg_rwstat_init+0x104/0x2b8 [ 73.480032][ T5128] throtl_pd_alloc+0xc0/0x4ec [ 73.480742][ T5128] blkcg_activate_policy+0x204/0xa8c [ 73.481633][ T5128] blk_throtl_init+0x308/0x3ec [ 73.482474][ T5128] blkcg_init_queue+0x3cc/0x484 [ 73.483343][ T5128] blk_alloc_queue+0x3cc/0x4a0 [ 73.484189][ T5128] __blk_mq_alloc_disk+0x5c/0x154 [ 73.485038][ T5128] loop_add+0x240/0x6e0 [ 73.485704][ T5128] loop_control_ioctl+0x130/0x4e0 [ 73.486617][ T5128] __arm64_sys_ioctl+0x14c/0x1c8 [ 73.487437][ T5128] invoke_syscall+0x98/0x2b0 [ 73.488199][ T5128] el0_svc_common+0x138/0x258 [ 73.488995][ T5128] do_el0_svc+0x58/0x13c [ 73.489675][ T5128] el0_svc+0x78/0x1d0 [ 73.490440][ T5128] el0t_64_sync_handler+0xcc/0xe4 [ 73.491379][ T5128] el0t_64_sync+0x1a0/0x1a4 [ 73.504159][ T5130] FAULT_INJECTION: forcing a failure. [ 73.504159][ T5130] name failslab, interval 1, probability 0, space 0, times 0 [ 73.506276][ T5130] CPU: 1 PID: 5130 Comm: syz.0.24 Tainted: G W syzkaller #0 [ 73.507687][ T5130] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.509470][ T5130] Call trace: [ 73.510050][ T5130] dump_backtrace+0x0/0x458 [ 73.510784][ T5130] show_stack+0x2c/0x3c [ 73.511475][ T5130] __dump_stack+0x30/0x40 [ 73.512256][ T5130] dump_stack_lvl+0xf4/0x15c [ 73.513067][ T5130] dump_stack+0x1c/0x5c [ 73.513801][ T5130] should_fail+0x3bc/0x514 [ 73.514534][ T5130] __should_failslab+0xbc/0x10c [ 73.515312][ T5130] should_failslab+0x10/0x28 [ 73.516056][ T5130] slab_pre_alloc_hook+0x64/0xe8 [ 73.516855][ T5130] kmem_cache_alloc+0x94/0x3d4 [ 73.517658][ T5130] security_inode_alloc+0x38/0x11c [ 73.518506][ T5130] inode_init_always+0x670/0xa84 [ 73.519329][ T5130] new_inode_pseudo+0x7c/0x1fc [ 73.520094][ T5130] new_inode+0x38/0x174 [ 73.520820][ T5130] bdev_alloc+0x30/0x1f8 [ 73.521496][ T5130] __alloc_disk_node+0xbc/0x450 [ 73.522291][ T5130] __blk_mq_alloc_disk+0xe8/0x154 [ 73.523204][ T5130] loop_add+0x240/0x6e0 [ 73.523959][ T5130] loop_control_ioctl+0x130/0x4e0 [ 73.524832][ T5130] __arm64_sys_ioctl+0x14c/0x1c8 [ 73.525605][ T5130] invoke_syscall+0x98/0x2b0 [ 73.526393][ T5130] el0_svc_common+0x138/0x258 [ 73.527177][ T5130] do_el0_svc+0x58/0x13c [ 73.527891][ T5130] el0_svc+0x78/0x1d0 [ 73.528624][ T5130] el0t_64_sync_handler+0xcc/0xe4 [ 73.529517][ T5130] el0t_64_sync+0x1a0/0x1a4 [ 73.547445][ T5134] FAULT_INJECTION: forcing a failure. [ 73.547445][ T5134] name failslab, interval 1, probability 0, space 0, times 0 [ 73.549526][ T5134] CPU: 0 PID: 5134 Comm: syz.0.25 Tainted: G W syzkaller #0 [ 73.551024][ T5134] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.552741][ T5134] Call trace: [ 73.553262][ T5134] dump_backtrace+0x0/0x458 [ 73.554027][ T5134] show_stack+0x2c/0x3c [ 73.554687][ T5134] __dump_stack+0x30/0x40 [ 73.555404][ T5134] dump_stack_lvl+0xf4/0x15c [ 73.556176][ T5134] dump_stack+0x1c/0x5c [ 73.556976][ T5134] should_fail+0x3bc/0x514 [ 73.557777][ T5134] __should_failslab+0xbc/0x10c [ 73.558677][ T5134] should_failslab+0x10/0x28 [ 73.559493][ T5134] slab_pre_alloc_hook+0x64/0xe8 [ 73.560400][ T5134] kmem_cache_alloc_trace+0x98/0x3ec [ 73.561291][ T5134] blk_iolatency_init+0x64/0x430 [ 73.562104][ T5134] blkcg_init_queue+0x3f0/0x484 [ 73.562980][ T5134] blk_alloc_queue+0x3cc/0x4a0 [ 73.563822][ T5134] __blk_mq_alloc_disk+0x5c/0x154 [ 73.564687][ T5134] loop_add+0x240/0x6e0 [ 73.565347][ T5134] loop_control_ioctl+0x130/0x4e0 [ 73.566147][ T5134] __arm64_sys_ioctl+0x14c/0x1c8 [ 73.566976][ T5134] invoke_syscall+0x98/0x2b0 [ 73.567766][ T5134] el0_svc_common+0x138/0x258 [ 73.568638][ T5134] do_el0_svc+0x58/0x13c [ 73.569387][ T5134] el0_svc+0x78/0x1d0 [ 73.570072][ T5134] el0t_64_sync_handler+0xcc/0xe4 [ 73.570894][ T5134] el0t_64_sync+0x1a0/0x1a4 [ 73.586070][ T5136] FAULT_INJECTION: forcing a failure. [ 73.586070][ T5136] name failslab, interval 1, probability 0, space 0, times 0 [ 73.588060][ T5136] CPU: 0 PID: 5136 Comm: syz.0.26 Tainted: G W syzkaller #0 [ 73.589457][ T5136] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.591138][ T5136] Call trace: [ 73.591649][ T5136] dump_backtrace+0x0/0x458 [ 73.592387][ T5136] show_stack+0x2c/0x3c [ 73.593068][ T5136] __dump_stack+0x30/0x40 [ 73.593777][ T5136] dump_stack_lvl+0xf4/0x15c [ 73.594489][ T5136] dump_stack+0x1c/0x5c [ 73.595122][ T5136] should_fail+0x3bc/0x514 [ 73.595883][ T5136] __should_failslab+0xbc/0x10c [ 73.596649][ T5136] should_failslab+0x10/0x28 [ 73.597369][ T5136] slab_pre_alloc_hook+0x64/0xe8 [ 73.598176][ T5136] __kmalloc_track_caller+0x70/0x358 [ 73.599062][ T5136] kstrdup+0xe4/0x15c [ 73.599802][ T5136] kstrdup_const+0x54/0x6c [ 73.600477][ T5136] kvasprintf_const+0x120/0x2e4 [ 73.601267][ T5136] kobject_set_name_vargs+0xd8/0x1c8 [ 73.602166][ T5136] dev_set_name+0xe8/0x13c [ 73.602910][ T5136] device_add_disk+0x258/0xacc [ 73.603782][ T5136] loop_add+0x510/0x6e0 [ 73.604487][ T5136] loop_control_ioctl+0x130/0x4e0 [ 73.605352][ T5136] __arm64_sys_ioctl+0x14c/0x1c8 [ 73.606224][ T5136] invoke_syscall+0x98/0x2b0 [ 73.607005][ T5136] el0_svc_common+0x138/0x258 [ 73.607823][ T5136] do_el0_svc+0x58/0x13c [ 73.608530][ T5136] el0_svc+0x78/0x1d0 [ 73.609199][ T5136] el0t_64_sync_handler+0xcc/0xe4 [ 73.610130][ T5136] el0t_64_sync+0x1a0/0x1a4 [ 73.622553][ T5138] FAULT_INJECTION: forcing a failure. [ 73.622553][ T5138] name failslab, interval 1, probability 0, space 0, times 0 [ 73.624737][ T5138] CPU: 0 PID: 5138 Comm: syz.0.27 Tainted: G W syzkaller #0 [ 73.626185][ T5138] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.627777][ T5138] Call trace: [ 73.628324][ T5138] dump_backtrace+0x0/0x458 [ 73.629081][ T5138] show_stack+0x2c/0x3c [ 73.629738][ T5138] __dump_stack+0x30/0x40 [ 73.630456][ T5138] dump_stack_lvl+0xf4/0x15c [ 73.631326][ T5138] dump_stack+0x1c/0x5c [ 73.632031][ T5138] should_fail+0x3bc/0x514 [ 73.632839][ T5138] __should_failslab+0xbc/0x10c [ 73.633643][ T5138] should_failslab+0x10/0x28 [ 73.634485][ T5138] slab_pre_alloc_hook+0x64/0xe8 [ 73.635269][ T5138] kmem_cache_alloc+0x94/0x3d4 [ 73.636099][ T5138] security_inode_alloc+0x38/0x11c [ 73.636947][ T5138] inode_init_always+0x670/0xa84 [ 73.637751][ T5138] new_inode_pseudo+0x7c/0x1fc [ 73.638541][ T5138] new_inode+0x38/0x174 [ 73.639241][ T5138] bdev_alloc+0x30/0x1f8 [ 73.639905][ T5138] __alloc_disk_node+0xbc/0x450 [ 73.640736][ T5138] __blk_mq_alloc_disk+0xe8/0x154 [ 73.641527][ T5138] loop_add+0x240/0x6e0 [ 73.642182][ T5138] loop_control_ioctl+0x130/0x4e0 [ 73.642999][ T5138] __arm64_sys_ioctl+0x14c/0x1c8 [ 73.643795][ T5138] invoke_syscall+0x98/0x2b0 [ 73.644506][ T5138] el0_svc_common+0x138/0x258 [ 73.645303][ T5138] do_el0_svc+0x58/0x13c [ 73.646089][ T5138] el0_svc+0x78/0x1d0 [ 73.646757][ T5138] el0t_64_sync_handler+0xcc/0xe4 [ 73.647579][ T5138] el0t_64_sync+0x1a0/0x1a4 [ 73.658965][ T5140] FAULT_INJECTION: forcing a failure. [ 73.658965][ T5140] name failslab, interval 1, probability 0, space 0, times 0 [ 73.662516][ T5140] CPU: 0 PID: 5140 Comm: syz.0.28 Tainted: G W syzkaller #0 [ 73.663819][ T5140] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.665484][ T5140] Call trace: [ 73.665979][ T5140] dump_backtrace+0x0/0x458 [ 73.666737][ T5140] show_stack+0x2c/0x3c [ 73.667413][ T5140] __dump_stack+0x30/0x40 [ 73.668133][ T5140] dump_stack_lvl+0xf4/0x15c [ 73.668830][ T5140] dump_stack+0x1c/0x5c [ 73.669528][ T5140] should_fail+0x3bc/0x514 [ 73.670289][ T5140] __should_failslab+0xbc/0x10c [ 73.671142][ T5140] should_failslab+0x10/0x28 [ 73.671866][ T5140] slab_pre_alloc_hook+0x64/0xe8 [ 73.672727][ T5140] kmem_cache_alloc+0x94/0x3d4 [ 73.673523][ T5140] __debug_object_init+0x6c4/0xa0c [ 73.674346][ T5140] debug_object_init+0x20/0x2c [ 73.675133][ T5140] init_timer_key+0x54/0x410 [ 73.675979][ T5140] bdi_alloc+0x114/0x144 [ 73.676650][ T5140] __alloc_disk_node+0x8c/0x450 [ 73.677440][ T5140] __blk_mq_alloc_disk+0xe8/0x154 [ 73.678253][ T5140] loop_add+0x240/0x6e0 [ 73.678955][ T5140] loop_control_ioctl+0x130/0x4e0 [ 73.679823][ T5140] __arm64_sys_ioctl+0x14c/0x1c8 [ 73.680640][ T5140] invoke_syscall+0x98/0x2b0 [ 73.681425][ T5140] el0_svc_common+0x138/0x258 [ 73.682194][ T5140] do_el0_svc+0x58/0x13c [ 73.682865][ T5140] el0_svc+0x78/0x1d0 [ 73.683601][ T5140] el0t_64_sync_handler+0xcc/0xe4 [ 73.684456][ T5140] el0t_64_sync+0x1a0/0x1a4 [ 73.704207][ T5142] FAULT_INJECTION: forcing a failure. [ 73.704207][ T5142] name failslab, interval 1, probability 0, space 0, times 0 [ 73.706194][ T5142] CPU: 0 PID: 5142 Comm: syz.0.29 Tainted: G W syzkaller #0 [ 73.707595][ T5142] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.709200][ T5142] Call trace: [ 73.709730][ T5142] dump_backtrace+0x0/0x458 [ 73.710455][ T5142] show_stack+0x2c/0x3c [ 73.711207][ T5142] __dump_stack+0x30/0x40 [ 73.711946][ T5142] dump_stack_lvl+0xf4/0x15c [ 73.712790][ T5142] dump_stack+0x1c/0x5c [ 73.713487][ T5142] should_fail+0x3bc/0x514 [ 73.714289][ T5142] __should_failslab+0xbc/0x10c [ 73.715132][ T5142] should_failslab+0x10/0x28 [ 73.715937][ T5142] slab_pre_alloc_hook+0x64/0xe8 [ 73.716799][ T5142] kmem_cache_alloc+0x94/0x3d4 [ 73.717635][ T5142] security_inode_alloc+0x38/0x11c [ 73.718511][ T5142] inode_init_always+0x670/0xa84 [ 73.719306][ T5142] new_inode_pseudo+0x7c/0x1fc [ 73.720073][ T5142] new_inode+0x38/0x174 [ 73.720743][ T5142] bdev_alloc+0x30/0x1f8 [ 73.721433][ T5142] __alloc_disk_node+0xbc/0x450 [ 73.722338][ T5142] __blk_mq_alloc_disk+0xe8/0x154 [ 73.723174][ T5142] loop_add+0x240/0x6e0 [ 73.723871][ T5142] loop_control_ioctl+0x130/0x4e0 [ 73.724784][ T5142] __arm64_sys_ioctl+0x14c/0x1c8 [ 73.725586][ T5142] invoke_syscall+0x98/0x2b0 [ 73.726303][ T5142] el0_svc_common+0x138/0x258 [ 73.727038][ T5142] do_el0_svc+0x58/0x13c [ 73.727732][ T5142] el0_svc+0x78/0x1d0 [ 73.728406][ T5142] el0t_64_sync_handler+0xcc/0xe4 [ 73.729301][ T5142] el0t_64_sync+0x1a0/0x1a4 [ 73.740662][ T5144] FAULT_INJECTION: forcing a failure. [ 73.740662][ T5144] name failslab, interval 1, probability 0, space 0, times 0 [ 73.742791][ T5144] CPU: 1 PID: 5144 Comm: syz.0.30 Tainted: G W syzkaller #0 [ 73.744206][ T5144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.745959][ T5144] Call trace: [ 73.746481][ T5144] dump_backtrace+0x0/0x458 [ 73.747175][ T5144] show_stack+0x2c/0x3c [ 73.747912][ T5144] __dump_stack+0x30/0x40 [ 73.748690][ T5144] dump_stack_lvl+0xf4/0x15c [ 73.749515][ T5144] dump_stack+0x1c/0x5c [ 73.750197][ T5144] should_fail+0x3bc/0x514 [ 73.750937][ T5144] __should_failslab+0xbc/0x10c [ 73.751734][ T5144] should_failslab+0x10/0x28 [ 73.752437][ T5144] slab_pre_alloc_hook+0x64/0xe8 [ 73.753239][ T5144] kmem_cache_alloc+0x94/0x3d4 [ 73.754016][ T5144] security_inode_alloc+0x38/0x11c [ 73.754782][ T5144] inode_init_always+0x670/0xa84 [ 73.755580][ T5144] new_inode_pseudo+0x7c/0x1fc [ 73.756332][ T5144] new_inode+0x38/0x174 [ 73.757033][ T5144] bdev_alloc+0x30/0x1f8 [ 73.757758][ T5144] __alloc_disk_node+0xbc/0x450 [ 73.758651][ T5144] __blk_mq_alloc_disk+0xe8/0x154 [ 73.759559][ T5144] loop_add+0x240/0x6e0 [ 73.760314][ T5144] loop_control_ioctl+0x130/0x4e0 [ 73.761180][ T5144] __arm64_sys_ioctl+0x14c/0x1c8 [ 73.762020][ T5144] invoke_syscall+0x98/0x2b0 [ 73.762809][ T5144] el0_svc_common+0x138/0x258 [ 73.763644][ T5144] do_el0_svc+0x58/0x13c [ 73.764359][ T5144] el0_svc+0x78/0x1d0 [ 73.765015][ T5144] el0t_64_sync_handler+0xcc/0xe4 [ 73.765927][ T5144] el0t_64_sync+0x1a0/0x1a4 [ 73.778124][ T5146] FAULT_INJECTION: forcing a failure. [ 73.778124][ T5146] name failslab, interval 1, probability 0, space 0, times 0 [ 73.781503][ T5146] CPU: 0 PID: 5146 Comm: syz.0.31 Tainted: G W syzkaller #0 [ 73.782953][ T5146] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.784588][ T5146] Call trace: [ 73.785113][ T5146] dump_backtrace+0x0/0x458 [ 73.785849][ T5146] show_stack+0x2c/0x3c [ 73.786509][ T5146] __dump_stack+0x30/0x40 [ 73.787235][ T5146] dump_stack_lvl+0xf4/0x15c [ 73.787953][ T5146] dump_stack+0x1c/0x5c [ 73.788657][ T5146] should_fail+0x3bc/0x514 [ 73.789356][ T5146] __should_failslab+0xbc/0x10c [ 73.790117][ T5146] should_failslab+0x10/0x28 [ 73.790899][ T5146] slab_pre_alloc_hook+0x64/0xe8 [ 73.791757][ T5146] kmem_cache_alloc+0x94/0x3d4 [ 73.792659][ T5146] security_inode_alloc+0x38/0x11c [ 73.793474][ T5146] inode_init_always+0x670/0xa84 [ 73.794333][ T5146] new_inode_pseudo+0x7c/0x1fc [ 73.795095][ T5146] new_inode+0x38/0x174 [ 73.795831][ T5146] bdev_alloc+0x30/0x1f8 [ 73.796603][ T5146] __alloc_disk_node+0xbc/0x450 [ 73.797424][ T5146] __blk_mq_alloc_disk+0xe8/0x154 [ 73.798300][ T5146] loop_add+0x240/0x6e0 [ 73.799034][ T5146] loop_control_ioctl+0x130/0x4e0 [ 73.799882][ T5146] __arm64_sys_ioctl+0x14c/0x1c8 [ 73.800679][ T5146] invoke_syscall+0x98/0x2b0 [ 73.801418][ T5146] el0_svc_common+0x138/0x258 [ 73.802172][ T5146] do_el0_svc+0x58/0x13c [ 73.802942][ T5146] el0_svc+0x78/0x1d0 [ 73.803607][ T5146] el0t_64_sync_handler+0xcc/0xe4 [ 73.804520][ T5146] el0t_64_sync+0x1a0/0x1a4 [ 73.818718][ T5148] FAULT_INJECTION: forcing a failure. [ 73.818718][ T5148] name failslab, interval 1, probability 0, space 0, times 0 [ 73.822548][ T5148] CPU: 0 PID: 5148 Comm: syz.0.32 Tainted: G W syzkaller #0 [ 73.824053][ T5148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.825804][ T5148] Call trace: [ 73.826348][ T5148] dump_backtrace+0x0/0x458 [ 73.827218][ T5148] show_stack+0x2c/0x3c [ 73.827893][ T5148] __dump_stack+0x30/0x40 [ 73.828667][ T5148] dump_stack_lvl+0xf4/0x15c [ 73.829451][ T5148] dump_stack+0x1c/0x5c [ 73.830193][ T5148] should_fail+0x3bc/0x514 [ 73.830997][ T5148] __should_failslab+0xbc/0x10c [ 73.831761][ T5148] should_failslab+0x10/0x28 [ 73.832500][ T5148] slab_pre_alloc_hook+0x64/0xe8 [ 73.833266][ T5148] kmem_cache_alloc+0x94/0x3d4 [ 73.834036][ T5148] security_inode_alloc+0x38/0x11c [ 73.834972][ T5148] inode_init_always+0x670/0xa84 [ 73.835912][ T5148] new_inode_pseudo+0x7c/0x1fc [ 73.836694][ T5148] new_inode+0x38/0x174 [ 73.837379][ T5148] bdev_alloc+0x30/0x1f8 [ 73.838060][ T5148] __alloc_disk_node+0xbc/0x450 [ 73.838878][ T5148] __blk_mq_alloc_disk+0xe8/0x154 [ 73.839724][ T5148] loop_add+0x240/0x6e0 [ 73.840388][ T5148] loop_control_ioctl+0x130/0x4e0 [ 73.841204][ T5148] __arm64_sys_ioctl+0x14c/0x1c8 [ 73.842004][ T5148] invoke_syscall+0x98/0x2b0 [ 73.842773][ T5148] el0_svc_common+0x138/0x258 [ 73.843594][ T5148] do_el0_svc+0x58/0x13c [ 73.844381][ T5148] el0_svc+0x78/0x1d0 [ 73.845068][ T5148] el0t_64_sync_handler+0xcc/0xe4 [ 73.845891][ T5148] el0t_64_sync+0x1a0/0x1a4 [ 73.862706][ T5150] FAULT_INJECTION: forcing a failure. [ 73.862706][ T5150] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 73.864877][ T5150] CPU: 0 PID: 5150 Comm: syz.0.33 Tainted: G W syzkaller #0 [ 73.866322][ T5150] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.868010][ T5150] Call trace: [ 73.868548][ T5150] dump_backtrace+0x0/0x458 [ 73.869324][ T5150] show_stack+0x2c/0x3c [ 73.870031][ T5150] __dump_stack+0x30/0x40 [ 73.870725][ T5150] dump_stack_lvl+0xf4/0x15c [ 73.871485][ T5150] dump_stack+0x1c/0x5c [ 73.872164][ T5150] should_fail+0x3bc/0x514 [ 73.872904][ T5150] should_fail_alloc_page+0x74/0xa8 [ 73.873772][ T5150] prepare_alloc_pages+0x160/0x45c [ 73.874723][ T5150] __alloc_pages+0x108/0x470 [ 73.875466][ T5150] alloc_pages+0x34c/0x5c0 [ 73.876209][ T5150] new_slab+0xe0/0x544 [ 73.876886][ T5150] ___slab_alloc+0x6b4/0xd8c [ 73.877705][ T5150] __slab_alloc+0x68/0xc0 [ 73.878479][ T5150] kmem_cache_alloc+0x2a4/0x3d4 [ 73.879274][ T5150] bdev_alloc_inode+0x24/0x60 [ 73.880046][ T5150] new_inode_pseudo+0x68/0x1fc [ 73.880870][ T5150] new_inode+0x38/0x174 [ 73.881607][ T5150] bdev_alloc+0x30/0x1f8 [ 73.882301][ T5150] __alloc_disk_node+0xbc/0x450 [ 73.883135][ T5150] __blk_mq_alloc_disk+0xe8/0x154 [ 73.883963][ T5150] loop_add+0x240/0x6e0 [ 73.884631][ T5150] loop_control_ioctl+0x130/0x4e0 [ 73.885549][ T5150] __arm64_sys_ioctl+0x14c/0x1c8 [ 73.886375][ T5150] invoke_syscall+0x98/0x2b0 [ 73.887120][ T5150] el0_svc_common+0x138/0x258 [ 73.887919][ T5150] do_el0_svc+0x58/0x13c [ 73.888674][ T5150] el0_svc+0x78/0x1d0 [ 73.889358][ T5150] el0t_64_sync_handler+0xcc/0xe4 [ 73.890260][ T5150] el0t_64_sync+0x1a0/0x1a4 [ 73.891541][ T4080] Bluetooth: hci0: command 0x0409 tx timeout [ 73.903482][ T5152] FAULT_INJECTION: forcing a failure. [ 73.903482][ T5152] name failslab, interval 1, probability 0, space 0, times 0 [ 73.905550][ T5152] CPU: 0 PID: 5152 Comm: syz.0.34 Tainted: G W syzkaller #0 [ 73.907052][ T5152] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.908690][ T5152] Call trace: [ 73.909240][ T5152] dump_backtrace+0x0/0x458 [ 73.910006][ T5152] show_stack+0x2c/0x3c [ 73.910712][ T5152] __dump_stack+0x30/0x40 [ 73.911439][ T5152] dump_stack_lvl+0xf4/0x15c [ 73.912206][ T5152] dump_stack+0x1c/0x5c [ 73.912889][ T5152] should_fail+0x3bc/0x514 [ 73.913619][ T5152] __should_failslab+0xbc/0x10c [ 73.914462][ T5152] should_failslab+0x10/0x28 [ 73.915248][ T5152] slab_pre_alloc_hook+0x64/0xe8 [ 73.916131][ T5152] __kmalloc_node+0xb8/0x508 [ 73.916890][ T5152] memcg_alloc_page_obj_cgroups+0x80/0x170 [ 73.917864][ T5152] new_slab+0x114/0x544 [ 73.918600][ T5152] ___slab_alloc+0x6b4/0xd8c [ 73.919400][ T5152] __slab_alloc+0x68/0xc0 [ 73.920155][ T5152] kmem_cache_alloc+0x2a4/0x3d4 [ 73.920891][ T5152] bdev_alloc_inode+0x24/0x60 [ 73.921643][ T5152] new_inode_pseudo+0x68/0x1fc [ 73.922468][ T5152] new_inode+0x38/0x174 [ 73.923179][ T5152] bdev_alloc+0x30/0x1f8 [ 73.923921][ T5152] __alloc_disk_node+0xbc/0x450 [ 73.924743][ T5152] __blk_mq_alloc_disk+0xe8/0x154 [ 73.925556][ T5152] loop_add+0x240/0x6e0 [ 73.926211][ T5152] loop_control_ioctl+0x130/0x4e0 [ 73.927055][ T5152] __arm64_sys_ioctl+0x14c/0x1c8 [ 73.927933][ T5152] invoke_syscall+0x98/0x2b0 [ 73.928715][ T5152] el0_svc_common+0x138/0x258 [ 73.929487][ T5152] do_el0_svc+0x58/0x13c [ 73.930193][ T5152] el0_svc+0x78/0x1d0 [ 73.930845][ T5152] el0t_64_sync_handler+0xcc/0xe4 [ 73.931674][ T5152] el0t_64_sync+0x1a0/0x1a4 [ 73.944420][ T5154] FAULT_INJECTION: forcing a failure. [ 73.944420][ T5154] name failslab, interval 1, probability 0, space 0, times 0 [ 73.946616][ T5154] CPU: 0 PID: 5154 Comm: syz.0.35 Tainted: G W syzkaller #0 [ 73.948072][ T5154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.949673][ T5154] Call trace: [ 73.950203][ T5154] dump_backtrace+0x0/0x458 [ 73.950943][ T5154] show_stack+0x2c/0x3c [ 73.951668][ T5154] __dump_stack+0x30/0x40 [ 73.952361][ T5154] dump_stack_lvl+0xf4/0x15c [ 73.953127][ T5154] dump_stack+0x1c/0x5c [ 73.953792][ T5154] should_fail+0x3bc/0x514 [ 73.954545][ T5154] __should_failslab+0xbc/0x10c [ 73.955417][ T5154] should_failslab+0x10/0x28 [ 73.956222][ T5154] slab_pre_alloc_hook+0x64/0xe8 [ 73.957093][ T5154] __kmalloc_track_caller+0x70/0x358 [ 73.958045][ T5154] kstrdup+0xe4/0x15c [ 73.958783][ T5154] kstrdup_const+0x54/0x6c [ 73.959598][ T5154] kvasprintf_const+0x120/0x2e4 [ 73.960452][ T5154] kobject_set_name_vargs+0xd8/0x1c8 [ 73.961321][ T5154] dev_set_name+0xe8/0x13c [ 73.962058][ T5154] device_add_disk+0x258/0xacc [ 73.962830][ T5154] loop_add+0x510/0x6e0 [ 73.963528][ T5154] loop_control_ioctl+0x130/0x4e0 [ 73.964387][ T5154] __arm64_sys_ioctl+0x14c/0x1c8 [ 73.965257][ T5154] invoke_syscall+0x98/0x2b0 [ 73.965996][ T5154] el0_svc_common+0x138/0x258 [ 73.966821][ T5154] do_el0_svc+0x58/0x13c [ 73.967525][ T5154] el0_svc+0x78/0x1d0 [ 73.968222][ T5154] el0t_64_sync_handler+0xcc/0xe4 [ 73.969083][ T5154] el0t_64_sync+0x1a0/0x1a4 [ 73.975579][ T9] device hsr_slave_0 left promiscuous mode [ 73.978874][ T5156] FAULT_INJECTION: forcing a failure. [ 73.978874][ T5156] name failslab, interval 1, probability 0, space 0, times 0 [ 73.981277][ T5156] CPU: 0 PID: 5156 Comm: syz.0.36 Tainted: G W syzkaller #0 [ 73.982523][ T5156] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 73.983965][ T5156] Call trace: [ 73.984385][ T5156] dump_backtrace+0x0/0x458 [ 73.985129][ T5156] show_stack+0x2c/0x3c [ 73.985753][ T5156] __dump_stack+0x30/0x40 [ 73.986552][ T5156] dump_stack_lvl+0xf4/0x15c [ 73.987287][ T5156] dump_stack+0x1c/0x5c [ 73.988000][ T5156] should_fail+0x3bc/0x514 [ 73.988748][ T5156] __should_failslab+0xbc/0x10c [ 73.989549][ T5156] should_failslab+0x10/0x28 [ 73.990314][ T5156] slab_pre_alloc_hook+0x64/0xe8 [ 73.991199][ T5156] __kmalloc_track_caller+0x70/0x358 [ 73.992107][ T5156] kstrdup+0xe4/0x15c [ 73.992838][ T5156] kstrdup_const+0x54/0x6c [ 73.993590][ T5156] kvasprintf_const+0x120/0x2e4 [ 73.994418][ T5156] kobject_set_name_vargs+0xd8/0x1c8 [ 73.995353][ T5156] dev_set_name+0xe8/0x13c [ 73.996059][ T5156] device_add_disk+0x258/0xacc [ 73.996901][ T5156] loop_add+0x510/0x6e0 [ 73.997606][ T5156] loop_control_ioctl+0x130/0x4e0 [ 73.998480][ T5156] __arm64_sys_ioctl+0x14c/0x1c8 [ 73.999314][ T5156] invoke_syscall+0x98/0x2b0 [ 74.000060][ T5156] el0_svc_common+0x138/0x258 [ 74.000786][ T5156] do_el0_svc+0x58/0x13c [ 74.001438][ T5156] el0_svc+0x78/0x1d0 [ 74.002038][ T5156] el0t_64_sync_handler+0xcc/0xe4 [ 74.002787][ T5156] el0t_64_sync+0x1a0/0x1a4 [ 74.012150][ T5158] FAULT_INJECTION: forcing a failure. [ 74.012150][ T5158] name failslab, interval 1, probability 0, space 0, times 0 [ 74.014230][ T5158] CPU: 0 PID: 5158 Comm: syz.0.37 Tainted: G W syzkaller #0 [ 74.015649][ T5158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.017268][ T5158] Call trace: [ 74.017760][ T5158] dump_backtrace+0x0/0x458 [ 74.018464][ T5158] show_stack+0x2c/0x3c [ 74.019118][ T5158] __dump_stack+0x30/0x40 [ 74.019830][ T5158] dump_stack_lvl+0xf4/0x15c [ 74.020596][ T5158] dump_stack+0x1c/0x5c [ 74.021296][ T5158] should_fail+0x3bc/0x514 [ 74.022054][ T5158] __should_failslab+0xbc/0x10c [ 74.022874][ T5158] should_failslab+0x10/0x28 [ 74.023605][ T5158] slab_pre_alloc_hook+0x64/0xe8 [ 74.024440][ T5158] kmem_cache_alloc+0x94/0x3d4 [ 74.025265][ T5158] security_inode_alloc+0x38/0x11c [ 74.026146][ T5158] inode_init_always+0x670/0xa84 [ 74.026965][ T5158] new_inode_pseudo+0x7c/0x1fc [ 74.027808][ T5158] new_inode+0x38/0x174 [ 74.028509][ T5158] bdev_alloc+0x30/0x1f8 [ 74.029300][ T5158] __alloc_disk_node+0xbc/0x450 [ 74.030089][ T5158] __blk_mq_alloc_disk+0xe8/0x154 [ 74.030930][ T5158] loop_add+0x240/0x6e0 [ 74.031598][ T5158] loop_control_ioctl+0x130/0x4e0 [ 74.032527][ T5158] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.033336][ T5158] invoke_syscall+0x98/0x2b0 [ 74.034083][ T5158] el0_svc_common+0x138/0x258 [ 74.034917][ T5158] do_el0_svc+0x58/0x13c [ 74.035631][ T5158] el0_svc+0x78/0x1d0 [ 74.036293][ T5158] el0t_64_sync_handler+0xcc/0xe4 [ 74.037121][ T5158] el0t_64_sync+0x1a0/0x1a4 [ 74.040965][ T9] device hsr_slave_1 left promiscuous mode [ 74.046413][ T5160] FAULT_INJECTION: forcing a failure. [ 74.046413][ T5160] name failslab, interval 1, probability 0, space 0, times 0 [ 74.048570][ T5160] CPU: 1 PID: 5160 Comm: syz.0.38 Tainted: G W syzkaller #0 [ 74.050027][ T5160] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.051781][ T5160] Call trace: [ 74.052329][ T5160] dump_backtrace+0x0/0x458 [ 74.053063][ T5160] show_stack+0x2c/0x3c [ 74.053726][ T5160] __dump_stack+0x30/0x40 [ 74.054486][ T5160] dump_stack_lvl+0xf4/0x15c [ 74.055213][ T5160] dump_stack+0x1c/0x5c [ 74.055905][ T5160] should_fail+0x3bc/0x514 [ 74.056614][ T5160] __should_failslab+0xbc/0x10c [ 74.057407][ T5160] should_failslab+0x10/0x28 [ 74.058164][ T5160] slab_pre_alloc_hook+0x64/0xe8 [ 74.058979][ T5160] __kmalloc_track_caller+0x70/0x358 [ 74.059812][ T5160] kstrdup+0xe4/0x15c [ 74.060506][ T5160] kstrdup_const+0x54/0x6c [ 74.061195][ T5160] kvasprintf_const+0x120/0x2e4 [ 74.061979][ T5160] kobject_set_name_vargs+0xd8/0x1c8 [ 74.062812][ T5160] dev_set_name+0xe8/0x13c [ 74.063506][ T5160] device_add_disk+0x258/0xacc [ 74.064342][ T5160] loop_add+0x510/0x6e0 [ 74.065014][ T5160] loop_control_ioctl+0x130/0x4e0 [ 74.065902][ T5160] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.066684][ T5160] invoke_syscall+0x98/0x2b0 [ 74.067473][ T5160] el0_svc_common+0x138/0x258 [ 74.068298][ T5160] do_el0_svc+0x58/0x13c [ 74.068973][ T5160] el0_svc+0x78/0x1d0 [ 74.069691][ T5160] el0t_64_sync_handler+0xcc/0xe4 [ 74.070469][ T5160] el0t_64_sync+0x1a0/0x1a4 [ 74.085947][ T5162] FAULT_INJECTION: forcing a failure. [ 74.085947][ T5162] name failslab, interval 1, probability 0, space 0, times 0 [ 74.088080][ T5162] CPU: 0 PID: 5162 Comm: syz.0.39 Tainted: G W syzkaller #0 [ 74.089505][ T5162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.091183][ T5162] Call trace: [ 74.091743][ T5162] dump_backtrace+0x0/0x458 [ 74.092528][ T5162] show_stack+0x2c/0x3c [ 74.093247][ T5162] __dump_stack+0x30/0x40 [ 74.093979][ T5162] dump_stack_lvl+0xf4/0x15c [ 74.094766][ T5162] dump_stack+0x1c/0x5c [ 74.095486][ T5162] should_fail+0x3bc/0x514 [ 74.096244][ T5162] __should_failslab+0xbc/0x10c [ 74.097045][ T5162] should_failslab+0x10/0x28 [ 74.097802][ T5162] slab_pre_alloc_hook+0x64/0xe8 [ 74.098618][ T5162] kmem_cache_alloc_trace+0x98/0x3ec [ 74.099440][ T5162] rand_initialize_disk+0x58/0xb8 [ 74.100251][ T5162] __alloc_disk_node+0x2a8/0x450 [ 74.101106][ T5162] __blk_mq_alloc_disk+0xe8/0x154 [ 74.101994][ T5162] loop_add+0x240/0x6e0 [ 74.102686][ T5162] loop_control_ioctl+0x130/0x4e0 [ 74.103549][ T5162] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.104396][ T5162] invoke_syscall+0x98/0x2b0 [ 74.105171][ T5162] el0_svc_common+0x138/0x258 [ 74.105985][ T5162] do_el0_svc+0x58/0x13c [ 74.106761][ T5162] el0_svc+0x78/0x1d0 [ 74.107427][ T5162] el0t_64_sync_handler+0xcc/0xe4 [ 74.108236][ T5162] el0t_64_sync+0x1a0/0x1a4 [ 74.120763][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 74.121927][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 74.125790][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 74.125961][ T5164] FAULT_INJECTION: forcing a failure. [ 74.125961][ T5164] name failslab, interval 1, probability 0, space 0, times 0 [ 74.127010][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 74.129112][ T5164] CPU: 1 PID: 5164 Comm: syz.0.40 Tainted: G W syzkaller #0 [ 74.131633][ T5164] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.133266][ T5164] Call trace: [ 74.133819][ T5164] dump_backtrace+0x0/0x458 [ 74.134575][ T5164] show_stack+0x2c/0x3c [ 74.135244][ T5164] __dump_stack+0x30/0x40 [ 74.135949][ T5164] dump_stack_lvl+0xf4/0x15c [ 74.136665][ T5164] dump_stack+0x1c/0x5c [ 74.137386][ T5164] should_fail+0x3bc/0x514 [ 74.138110][ T5164] __should_failslab+0xbc/0x10c [ 74.138927][ T5164] should_failslab+0x10/0x28 [ 74.139743][ T5164] slab_pre_alloc_hook+0x64/0xe8 [ 74.140542][ T5164] kmem_cache_alloc_trace+0x98/0x3ec [ 74.141397][ T5164] rand_initialize_disk+0x58/0xb8 [ 74.142272][ T5164] __alloc_disk_node+0x2a8/0x450 [ 74.143147][ T5164] __blk_mq_alloc_disk+0xe8/0x154 [ 74.144058][ T5164] loop_add+0x240/0x6e0 [ 74.144742][ T5164] loop_control_ioctl+0x130/0x4e0 [ 74.145670][ T5164] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.146524][ T5164] invoke_syscall+0x98/0x2b0 [ 74.147364][ T5164] el0_svc_common+0x138/0x258 [ 74.148138][ T5164] do_el0_svc+0x58/0x13c [ 74.148803][ T5164] el0_svc+0x78/0x1d0 [ 74.149493][ T5164] el0t_64_sync_handler+0xcc/0xe4 [ 74.150314][ T5164] el0t_64_sync+0x1a0/0x1a4 [ 74.152454][ T9] device bridge_slave_1 left promiscuous mode [ 74.153538][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.163277][ T5166] FAULT_INJECTION: forcing a failure. [ 74.163277][ T5166] name failslab, interval 1, probability 0, space 0, times 0 [ 74.165286][ T5166] CPU: 1 PID: 5166 Comm: syz.0.41 Tainted: G W syzkaller #0 [ 74.166650][ T5166] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.168316][ T5166] Call trace: [ 74.168869][ T5166] dump_backtrace+0x0/0x458 [ 74.169625][ T5166] show_stack+0x2c/0x3c [ 74.170376][ T5166] __dump_stack+0x30/0x40 [ 74.171110][ T5166] dump_stack_lvl+0xf4/0x15c [ 74.171884][ T5166] dump_stack+0x1c/0x5c [ 74.172637][ T5166] should_fail+0x3bc/0x514 [ 74.173447][ T5166] __should_failslab+0xbc/0x10c [ 74.174269][ T5166] should_failslab+0x10/0x28 [ 74.175047][ T5166] slab_pre_alloc_hook+0x64/0xe8 [ 74.175893][ T5166] __kmalloc_track_caller+0x70/0x358 [ 74.176754][ T5166] kstrdup+0xe4/0x15c [ 74.177394][ T5166] kstrdup_const+0x54/0x6c [ 74.178189][ T5166] kvasprintf_const+0x120/0x2e4 [ 74.178873][ T5166] kobject_set_name_vargs+0xd8/0x1c8 [ 74.179775][ T5166] dev_set_name+0xe8/0x13c [ 74.180496][ T5166] device_add_disk+0x258/0xacc [ 74.181301][ T5166] loop_add+0x510/0x6e0 [ 74.182047][ T5166] loop_control_ioctl+0x130/0x4e0 [ 74.182886][ T5166] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.183666][ T5166] invoke_syscall+0x98/0x2b0 [ 74.184471][ T5166] el0_svc_common+0x138/0x258 [ 74.185317][ T5166] do_el0_svc+0x58/0x13c [ 74.185981][ T5166] el0_svc+0x78/0x1d0 [ 74.186637][ T5166] el0t_64_sync_handler+0xcc/0xe4 [ 74.187538][ T5166] el0t_64_sync+0x1a0/0x1a4 [ 74.192512][ T9] device bridge_slave_0 left promiscuous mode [ 74.193657][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.198056][ T5168] FAULT_INJECTION: forcing a failure. [ 74.198056][ T5168] name failslab, interval 1, probability 0, space 0, times 0 [ 74.200049][ T5168] CPU: 0 PID: 5168 Comm: syz.0.42 Tainted: G W syzkaller #0 [ 74.201346][ T5168] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.202934][ T5168] Call trace: [ 74.203505][ T5168] dump_backtrace+0x0/0x458 [ 74.204293][ T5168] show_stack+0x2c/0x3c [ 74.204987][ T5168] __dump_stack+0x30/0x40 [ 74.205669][ T5168] dump_stack_lvl+0xf4/0x15c [ 74.206425][ T5168] dump_stack+0x1c/0x5c [ 74.207094][ T5168] should_fail+0x3bc/0x514 [ 74.207801][ T5168] __should_failslab+0xbc/0x10c [ 74.208566][ T5168] should_failslab+0x10/0x28 [ 74.209306][ T5168] slab_pre_alloc_hook+0x64/0xe8 [ 74.210063][ T5168] __kmalloc_track_caller+0x70/0x358 [ 74.211005][ T5168] kstrdup+0xe4/0x15c [ 74.211698][ T5168] kstrdup_const+0x54/0x6c [ 74.212474][ T5168] kvasprintf_const+0x120/0x2e4 [ 74.213384][ T5168] kobject_set_name_vargs+0xd8/0x1c8 [ 74.214308][ T5168] dev_set_name+0xe8/0x13c [ 74.215039][ T5168] device_add_disk+0x258/0xacc [ 74.215885][ T5168] loop_add+0x510/0x6e0 [ 74.216575][ T5168] loop_control_ioctl+0x130/0x4e0 [ 74.217498][ T5168] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.218348][ T5168] invoke_syscall+0x98/0x2b0 [ 74.219113][ T5168] el0_svc_common+0x138/0x258 [ 74.219888][ T5168] do_el0_svc+0x58/0x13c [ 74.220592][ T5168] el0_svc+0x78/0x1d0 [ 74.221313][ T5168] el0t_64_sync_handler+0xcc/0xe4 [ 74.222233][ T5168] el0t_64_sync+0x1a0/0x1a4 [ 74.231092][ T5170] FAULT_INJECTION: forcing a failure. [ 74.231092][ T5170] name failslab, interval 1, probability 0, space 0, times 0 [ 74.232982][ T5170] CPU: 0 PID: 5170 Comm: syz.0.43 Tainted: G W syzkaller #0 [ 74.234444][ T5170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.236061][ T5170] Call trace: [ 74.236589][ T5170] dump_backtrace+0x0/0x458 [ 74.237339][ T5170] show_stack+0x2c/0x3c [ 74.237933][ T5170] __dump_stack+0x30/0x40 [ 74.238659][ T5170] dump_stack_lvl+0xf4/0x15c [ 74.239527][ T5170] dump_stack+0x1c/0x5c [ 74.240290][ T5170] should_fail+0x3bc/0x514 [ 74.241080][ T5170] __should_failslab+0xbc/0x10c [ 74.241887][ T5170] should_failslab+0x10/0x28 [ 74.242703][ T5170] slab_pre_alloc_hook+0x64/0xe8 [ 74.243552][ T5170] __kmalloc_track_caller+0x70/0x358 [ 74.244416][ T5170] kstrdup+0xe4/0x15c [ 74.245087][ T5170] kstrdup_const+0x54/0x6c [ 74.245851][ T5170] kvasprintf_const+0x120/0x2e4 [ 74.246644][ T5170] kobject_set_name_vargs+0xd8/0x1c8 [ 74.247496][ T5170] dev_set_name+0xe8/0x13c [ 74.248177][ T5170] device_add_disk+0x258/0xacc [ 74.248964][ T5170] loop_add+0x510/0x6e0 [ 74.249602][ T5170] loop_control_ioctl+0x130/0x4e0 [ 74.250407][ T5170] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.251201][ T5170] invoke_syscall+0x98/0x2b0 [ 74.251889][ T5170] el0_svc_common+0x138/0x258 [ 74.252629][ T5170] do_el0_svc+0x58/0x13c [ 74.253279][ T5170] el0_svc+0x78/0x1d0 [ 74.253996][ T5170] el0t_64_sync_handler+0xcc/0xe4 [ 74.254856][ T5170] el0t_64_sync+0x1a0/0x1a4 [ 74.265376][ T5172] FAULT_INJECTION: forcing a failure. [ 74.265376][ T5172] name failslab, interval 1, probability 0, space 0, times 0 [ 74.267283][ T5172] CPU: 0 PID: 5172 Comm: syz.0.44 Tainted: G W syzkaller #0 [ 74.268624][ T5172] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.270145][ T5172] Call trace: [ 74.270653][ T5172] dump_backtrace+0x0/0x458 [ 74.271406][ T5172] show_stack+0x2c/0x3c [ 74.272097][ T5172] __dump_stack+0x30/0x40 [ 74.272791][ T5172] dump_stack_lvl+0xf4/0x15c [ 74.273534][ T5172] dump_stack+0x1c/0x5c [ 74.274239][ T5172] should_fail+0x3bc/0x514 [ 74.274988][ T5172] __should_failslab+0xbc/0x10c [ 74.275816][ T5172] should_failslab+0x10/0x28 [ 74.276641][ T5172] slab_pre_alloc_hook+0x64/0xe8 [ 74.277484][ T5172] __kmalloc_track_caller+0x70/0x358 [ 74.278390][ T5172] kstrdup+0xe4/0x15c [ 74.279088][ T5172] kstrdup_const+0x54/0x6c [ 74.279789][ T5172] kvasprintf_const+0x120/0x2e4 [ 74.280527][ T5172] kobject_set_name_vargs+0xd8/0x1c8 [ 74.281405][ T5172] dev_set_name+0xe8/0x13c [ 74.282185][ T5172] device_add_disk+0x258/0xacc [ 74.283048][ T5172] loop_add+0x510/0x6e0 [ 74.283803][ T5172] loop_control_ioctl+0x130/0x4e0 [ 74.284695][ T5172] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.285518][ T5172] invoke_syscall+0x98/0x2b0 [ 74.286265][ T5172] el0_svc_common+0x138/0x258 [ 74.287095][ T5172] do_el0_svc+0x58/0x13c [ 74.287798][ T5172] el0_svc+0x78/0x1d0 [ 74.288429][ T5172] el0t_64_sync_handler+0xcc/0xe4 [ 74.289450][ T5172] el0t_64_sync+0x1a0/0x1a4 [ 74.298612][ T5174] FAULT_INJECTION: forcing a failure. [ 74.298612][ T5174] name failslab, interval 1, probability 0, space 0, times 0 [ 74.303322][ T5174] CPU: 1 PID: 5174 Comm: syz.0.45 Tainted: G W syzkaller #0 [ 74.304812][ T5174] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.306422][ T5174] Call trace: [ 74.306974][ T5174] dump_backtrace+0x0/0x458 [ 74.307671][ T5174] show_stack+0x2c/0x3c [ 74.308287][ T5174] __dump_stack+0x30/0x40 [ 74.308979][ T5174] dump_stack_lvl+0xf4/0x15c [ 74.309723][ T5174] dump_stack+0x1c/0x5c [ 74.310358][ T5174] should_fail+0x3bc/0x514 [ 74.311124][ T5174] __should_failslab+0xbc/0x10c [ 74.311905][ T5174] should_failslab+0x10/0x28 [ 74.312627][ T5174] slab_pre_alloc_hook+0x64/0xe8 [ 74.313490][ T5174] kmem_cache_alloc+0x94/0x3d4 [ 74.314305][ T5174] __debug_object_init+0x780/0xa0c [ 74.315138][ T5174] debug_object_init+0x20/0x2c [ 74.315909][ T5174] init_timer_key+0x54/0x410 [ 74.316743][ T5174] blk_stat_alloc_callback+0x164/0x1dc [ 74.317711][ T5174] blk_mq_init_allocated_queue+0x8c/0x158c [ 74.318733][ T5174] __blk_mq_alloc_disk+0x88/0x154 [ 74.319582][ T5174] loop_add+0x240/0x6e0 [ 74.320263][ T5174] loop_control_ioctl+0x130/0x4e0 [ 74.321069][ T5174] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.321901][ T5174] invoke_syscall+0x98/0x2b0 [ 74.322690][ T5174] el0_svc_common+0x138/0x258 [ 74.323572][ T5174] do_el0_svc+0x58/0x13c [ 74.324283][ T5174] el0_svc+0x78/0x1d0 [ 74.324938][ T5174] el0t_64_sync_handler+0xcc/0xe4 [ 74.325771][ T5174] el0t_64_sync+0x1a0/0x1a4 [ 74.340147][ T5177] FAULT_INJECTION: forcing a failure. [ 74.340147][ T5177] name failslab, interval 1, probability 0, space 0, times 0 [ 74.342949][ T9] device veth1_macvtap left promiscuous mode [ 74.343909][ T9] device veth0_macvtap left promiscuous mode [ 74.344946][ T9] device veth1_vlan left promiscuous mode [ 74.345921][ T9] device veth0_vlan left promiscuous mode [ 74.347074][ T5177] CPU: 1 PID: 5177 Comm: syz.0.46 Tainted: G W syzkaller #0 [ 74.348498][ T5177] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.350119][ T5177] Call trace: [ 74.350674][ T5177] dump_backtrace+0x0/0x458 [ 74.351416][ T5177] show_stack+0x2c/0x3c [ 74.352093][ T5177] __dump_stack+0x30/0x40 [ 74.352754][ T5177] dump_stack_lvl+0xf4/0x15c [ 74.353513][ T5177] dump_stack+0x1c/0x5c [ 74.354261][ T5177] should_fail+0x3bc/0x514 [ 74.354994][ T5177] __should_failslab+0xbc/0x10c [ 74.355793][ T5177] should_failslab+0x10/0x28 [ 74.356519][ T5177] slab_pre_alloc_hook+0x64/0xe8 [ 74.357327][ T5177] kmem_cache_alloc_trace+0x98/0x3ec [ 74.358292][ T5177] blk_iolatency_init+0x64/0x430 [ 74.359090][ T5177] blkcg_init_queue+0x3f0/0x484 [ 74.359868][ T5177] blk_alloc_queue+0x3cc/0x4a0 [ 74.360629][ T5177] __blk_mq_alloc_disk+0x5c/0x154 [ 74.361430][ T5177] loop_add+0x240/0x6e0 [ 74.362145][ T5177] loop_control_ioctl+0x130/0x4e0 [ 74.362965][ T5177] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.363831][ T5177] invoke_syscall+0x98/0x2b0 [ 74.364580][ T5177] el0_svc_common+0x138/0x258 [ 74.365327][ T5177] do_el0_svc+0x58/0x13c [ 74.366067][ T5177] el0_svc+0x78/0x1d0 [ 74.366794][ T5177] el0t_64_sync_handler+0xcc/0xe4 [ 74.367626][ T5177] el0t_64_sync+0x1a0/0x1a4 [ 74.389339][ T5179] FAULT_INJECTION: forcing a failure. [ 74.389339][ T5179] name failslab, interval 1, probability 0, space 0, times 0 [ 74.391323][ T5179] CPU: 0 PID: 5179 Comm: syz.0.47 Tainted: G W syzkaller #0 [ 74.392641][ T5179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.394296][ T5179] Call trace: [ 74.394808][ T5179] dump_backtrace+0x0/0x458 [ 74.395513][ T5179] show_stack+0x2c/0x3c [ 74.396185][ T5179] __dump_stack+0x30/0x40 [ 74.396997][ T5179] dump_stack_lvl+0xf4/0x15c [ 74.397724][ T5179] dump_stack+0x1c/0x5c [ 74.398382][ T5179] should_fail+0x3bc/0x514 [ 74.399038][ T5179] __should_failslab+0xbc/0x10c [ 74.399798][ T5179] should_failslab+0x10/0x28 [ 74.400536][ T5179] slab_pre_alloc_hook+0x64/0xe8 [ 74.401301][ T5179] kmem_cache_alloc+0x94/0x3d4 [ 74.402047][ T5179] __debug_object_init+0x688/0xa0c [ 74.402946][ T5179] debug_object_init+0x20/0x2c [ 74.403763][ T5179] __percpu_counter_init+0x10c/0x26c [ 74.404621][ T5179] blkg_rwstat_init+0x164/0x2b8 [ 74.405424][ T5179] throtl_pd_alloc+0xf0/0x4ec [ 74.406207][ T5179] blkcg_activate_policy+0x204/0xa8c [ 74.407091][ T5179] blk_throtl_init+0x308/0x3ec [ 74.407787][ T5179] blkcg_init_queue+0x3cc/0x484 [ 74.408551][ T5179] blk_alloc_queue+0x3cc/0x4a0 [ 74.409363][ T5179] __blk_mq_alloc_disk+0x5c/0x154 [ 74.410196][ T5179] loop_add+0x240/0x6e0 [ 74.410874][ T5179] loop_control_ioctl+0x130/0x4e0 [ 74.412285][ T5179] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.413149][ T5179] invoke_syscall+0x98/0x2b0 [ 74.413920][ T5179] el0_svc_common+0x138/0x258 [ 74.414687][ T5179] do_el0_svc+0x58/0x13c [ 74.415371][ T5179] el0_svc+0x78/0x1d0 [ 74.415899][ T5179] el0t_64_sync_handler+0xcc/0xe4 [ 74.416665][ T5179] el0t_64_sync+0x1a0/0x1a4 [ 74.444971][ T5181] FAULT_INJECTION: forcing a failure. [ 74.444971][ T5181] name failslab, interval 1, probability 0, space 0, times 0 [ 74.447209][ T5181] CPU: 1 PID: 5181 Comm: syz.0.48 Tainted: G W syzkaller #0 [ 74.448617][ T5181] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.450330][ T5181] Call trace: [ 74.450976][ T5181] dump_backtrace+0x0/0x458 [ 74.451724][ T5181] show_stack+0x2c/0x3c [ 74.452445][ T5181] __dump_stack+0x30/0x40 [ 74.453147][ T5181] dump_stack_lvl+0xf4/0x15c [ 74.453950][ T5181] dump_stack+0x1c/0x5c [ 74.454732][ T5181] should_fail+0x3bc/0x514 [ 74.455519][ T5181] __should_failslab+0xbc/0x10c [ 74.456367][ T5181] should_failslab+0x10/0x28 [ 74.457103][ T5181] slab_pre_alloc_hook+0x64/0xe8 [ 74.457905][ T5181] __kmalloc_track_caller+0x70/0x358 [ 74.458853][ T5181] kstrdup+0xe4/0x15c [ 74.459513][ T5181] kstrdup_const+0x54/0x6c [ 74.460316][ T5181] kvasprintf_const+0x120/0x2e4 [ 74.461173][ T5181] kobject_set_name_vargs+0xd8/0x1c8 [ 74.462105][ T5181] dev_set_name+0xe8/0x13c [ 74.462863][ T5181] device_add_disk+0x258/0xacc [ 74.463681][ T5181] loop_add+0x510/0x6e0 [ 74.464379][ T5181] loop_control_ioctl+0x130/0x4e0 [ 74.465207][ T5181] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.466092][ T5181] invoke_syscall+0x98/0x2b0 [ 74.466855][ T5181] el0_svc_common+0x138/0x258 [ 74.467627][ T5181] do_el0_svc+0x58/0x13c [ 74.468354][ T5181] el0_svc+0x78/0x1d0 [ 74.468984][ T5181] el0t_64_sync_handler+0xcc/0xe4 [ 74.469866][ T5181] el0t_64_sync+0x1a0/0x1a4 [ 74.483030][ T5183] FAULT_INJECTION: forcing a failure. [ 74.483030][ T5183] name failslab, interval 1, probability 0, space 0, times 0 [ 74.485061][ T5183] CPU: 1 PID: 5183 Comm: syz.0.49 Tainted: G W syzkaller #0 [ 74.486366][ T5183] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.488009][ T5183] Call trace: [ 74.488640][ T5183] dump_backtrace+0x0/0x458 [ 74.489380][ T5183] show_stack+0x2c/0x3c [ 74.490090][ T5183] __dump_stack+0x30/0x40 [ 74.490795][ T5183] dump_stack_lvl+0xf4/0x15c [ 74.491624][ T5183] dump_stack+0x1c/0x5c [ 74.492310][ T5183] should_fail+0x3bc/0x514 [ 74.493034][ T5183] __should_failslab+0xbc/0x10c [ 74.493856][ T5183] should_failslab+0x10/0x28 [ 74.494601][ T5183] slab_pre_alloc_hook+0x64/0xe8 [ 74.495474][ T5183] kmem_cache_alloc_trace+0x98/0x3ec [ 74.496347][ T5183] rand_initialize_disk+0x58/0xb8 [ 74.497160][ T5183] __alloc_disk_node+0x2a8/0x450 [ 74.497997][ T5183] __blk_mq_alloc_disk+0xe8/0x154 [ 74.498857][ T5183] loop_add+0x240/0x6e0 [ 74.499616][ T5183] loop_control_ioctl+0x130/0x4e0 [ 74.500416][ T5183] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.501261][ T5183] invoke_syscall+0x98/0x2b0 [ 74.502022][ T5183] el0_svc_common+0x138/0x258 [ 74.502769][ T5183] do_el0_svc+0x58/0x13c [ 74.503455][ T5183] el0_svc+0x78/0x1d0 [ 74.504146][ T5183] el0t_64_sync_handler+0xcc/0xe4 [ 74.505012][ T5183] el0t_64_sync+0x1a0/0x1a4 [ 74.521097][ T5185] FAULT_INJECTION: forcing a failure. [ 74.521097][ T5185] name failslab, interval 1, probability 0, space 0, times 0 [ 74.523113][ T5185] CPU: 0 PID: 5185 Comm: syz.0.50 Tainted: G W syzkaller #0 [ 74.524417][ T5185] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.525910][ T5185] Call trace: [ 74.526434][ T5185] dump_backtrace+0x0/0x458 [ 74.527140][ T5185] show_stack+0x2c/0x3c [ 74.527777][ T5185] __dump_stack+0x30/0x40 [ 74.528453][ T5185] dump_stack_lvl+0xf4/0x15c [ 74.529185][ T5185] dump_stack+0x1c/0x5c [ 74.529921][ T5185] should_fail+0x3bc/0x514 [ 74.530703][ T5185] __should_failslab+0xbc/0x10c [ 74.531486][ T5185] should_failslab+0x10/0x28 [ 74.532262][ T5185] slab_pre_alloc_hook+0x64/0xe8 [ 74.533122][ T5185] __kmalloc_track_caller+0x70/0x358 [ 74.534002][ T5185] kstrdup+0xe4/0x15c [ 74.534690][ T5185] kstrdup_const+0x54/0x6c [ 74.535436][ T5185] kvasprintf_const+0x120/0x2e4 [ 74.536244][ T5185] kobject_set_name_vargs+0xd8/0x1c8 [ 74.537103][ T5185] dev_set_name+0xe8/0x13c [ 74.537833][ T5185] device_add_disk+0x258/0xacc [ 74.538595][ T5185] loop_add+0x510/0x6e0 [ 74.539310][ T5185] loop_control_ioctl+0x130/0x4e0 [ 74.540163][ T5185] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.541035][ T5185] invoke_syscall+0x98/0x2b0 [ 74.541885][ T5185] el0_svc_common+0x138/0x258 [ 74.542630][ T5185] do_el0_svc+0x58/0x13c [ 74.543310][ T5185] el0_svc+0x78/0x1d0 [ 74.543972][ T5185] el0t_64_sync_handler+0xcc/0xe4 [ 74.544847][ T5185] el0t_64_sync+0x1a0/0x1a4 [ 74.555614][ T5187] FAULT_INJECTION: forcing a failure. [ 74.555614][ T5187] name failslab, interval 1, probability 0, space 0, times 0 [ 74.557617][ T5187] CPU: 0 PID: 5187 Comm: syz.0.51 Tainted: G W syzkaller #0 [ 74.559016][ T5187] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.560740][ T5187] Call trace: [ 74.561262][ T5187] dump_backtrace+0x0/0x458 [ 74.562008][ T5187] show_stack+0x2c/0x3c [ 74.562762][ T5187] __dump_stack+0x30/0x40 [ 74.563475][ T5187] dump_stack_lvl+0xf4/0x15c [ 74.564190][ T5187] dump_stack+0x1c/0x5c [ 74.564923][ T5187] should_fail+0x3bc/0x514 [ 74.565695][ T5187] __should_failslab+0xbc/0x10c [ 74.566555][ T5187] should_failslab+0x10/0x28 [ 74.567336][ T5187] slab_pre_alloc_hook+0x64/0xe8 [ 74.568114][ T5187] kmem_cache_alloc+0x94/0x3d4 [ 74.568882][ T5187] security_inode_alloc+0x38/0x11c [ 74.569795][ T5187] inode_init_always+0x670/0xa84 [ 74.570553][ T5187] new_inode_pseudo+0x7c/0x1fc [ 74.571299][ T5187] new_inode+0x38/0x174 [ 74.571996][ T5187] bdev_alloc+0x30/0x1f8 [ 74.572711][ T5187] __alloc_disk_node+0xbc/0x450 [ 74.573505][ T5187] __blk_mq_alloc_disk+0xe8/0x154 [ 74.574291][ T5187] loop_add+0x240/0x6e0 [ 74.574956][ T5187] loop_control_ioctl+0x130/0x4e0 [ 74.575787][ T5187] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.576561][ T5187] invoke_syscall+0x98/0x2b0 [ 74.577305][ T5187] el0_svc_common+0x138/0x258 [ 74.578077][ T5187] do_el0_svc+0x58/0x13c [ 74.578758][ T5187] el0_svc+0x78/0x1d0 [ 74.579428][ T5187] el0t_64_sync_handler+0xcc/0xe4 [ 74.580241][ T5187] el0t_64_sync+0x1a0/0x1a4 [ 74.593454][ T5189] FAULT_INJECTION: forcing a failure. [ 74.593454][ T5189] name failslab, interval 1, probability 0, space 0, times 0 [ 74.595572][ T5189] CPU: 0 PID: 5189 Comm: syz.0.52 Tainted: G W syzkaller #0 [ 74.596993][ T5189] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.598754][ T5189] Call trace: [ 74.599300][ T5189] dump_backtrace+0x0/0x458 [ 74.600052][ T5189] show_stack+0x2c/0x3c [ 74.600805][ T5189] __dump_stack+0x30/0x40 [ 74.601568][ T5189] dump_stack_lvl+0xf4/0x15c [ 74.602317][ T5189] dump_stack+0x1c/0x5c [ 74.602985][ T5189] should_fail+0x3bc/0x514 [ 74.603711][ T5189] __should_failslab+0xbc/0x10c [ 74.604484][ T5189] should_failslab+0x10/0x28 [ 74.605260][ T5189] slab_pre_alloc_hook+0x64/0xe8 [ 74.606126][ T5189] __kmalloc_track_caller+0x70/0x358 [ 74.606974][ T5189] kstrdup+0xe4/0x15c [ 74.607603][ T5189] kstrdup_const+0x54/0x6c [ 74.608321][ T5189] kvasprintf_const+0x120/0x2e4 [ 74.609161][ T5189] kobject_set_name_vargs+0xd8/0x1c8 [ 74.610116][ T5189] dev_set_name+0xe8/0x13c [ 74.610816][ T5189] device_add_disk+0x258/0xacc [ 74.611635][ T5189] loop_add+0x510/0x6e0 [ 74.612277][ T5189] loop_control_ioctl+0x130/0x4e0 [ 74.613075][ T5189] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.613886][ T5189] invoke_syscall+0x98/0x2b0 [ 74.614635][ T5189] el0_svc_common+0x138/0x258 [ 74.615395][ T5189] do_el0_svc+0x58/0x13c [ 74.616107][ T5189] el0_svc+0x78/0x1d0 [ 74.616752][ T5189] el0t_64_sync_handler+0xcc/0xe4 [ 74.617592][ T5189] el0t_64_sync+0x1a0/0x1a4 [ 74.628988][ T5191] FAULT_INJECTION: forcing a failure. [ 74.628988][ T5191] name failslab, interval 1, probability 0, space 0, times 0 [ 74.631923][ T5191] CPU: 0 PID: 5191 Comm: syz.0.53 Tainted: G W syzkaller #0 [ 74.633366][ T5191] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.634971][ T5191] Call trace: [ 74.635478][ T5191] dump_backtrace+0x0/0x458 [ 74.636260][ T5191] show_stack+0x2c/0x3c [ 74.636980][ T5191] __dump_stack+0x30/0x40 [ 74.637743][ T5191] dump_stack_lvl+0xf4/0x15c [ 74.638467][ T5191] dump_stack+0x1c/0x5c [ 74.639213][ T5191] should_fail+0x3bc/0x514 [ 74.639995][ T5191] __should_failslab+0xbc/0x10c [ 74.640809][ T5191] should_failslab+0x10/0x28 [ 74.641563][ T5191] slab_pre_alloc_hook+0x64/0xe8 [ 74.642401][ T5191] kmem_cache_alloc+0x94/0x3d4 [ 74.643330][ T5191] security_inode_alloc+0x38/0x11c [ 74.644145][ T5191] inode_init_always+0x670/0xa84 [ 74.645007][ T5191] new_inode_pseudo+0x7c/0x1fc [ 74.645795][ T5191] new_inode+0x38/0x174 [ 74.646488][ T5191] bdev_alloc+0x30/0x1f8 [ 74.647200][ T5191] __alloc_disk_node+0xbc/0x450 [ 74.648016][ T5191] __blk_mq_alloc_disk+0xe8/0x154 [ 74.648873][ T5191] loop_add+0x240/0x6e0 [ 74.649609][ T5191] loop_control_ioctl+0x130/0x4e0 [ 74.650446][ T5191] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.651275][ T5191] invoke_syscall+0x98/0x2b0 [ 74.652080][ T5191] el0_svc_common+0x138/0x258 [ 74.652923][ T5191] do_el0_svc+0x58/0x13c [ 74.653703][ T5191] el0_svc+0x78/0x1d0 [ 74.654344][ T5191] el0t_64_sync_handler+0xcc/0xe4 [ 74.655181][ T5191] el0t_64_sync+0x1a0/0x1a4 [ 74.656514][ T9] team0 (unregistering): Port device team_slave_1 removed [ 74.666150][ T5193] FAULT_INJECTION: forcing a failure. [ 74.666150][ T5193] name failslab, interval 1, probability 0, space 0, times 0 [ 74.668216][ T5193] CPU: 0 PID: 5193 Comm: syz.0.54 Tainted: G W syzkaller #0 [ 74.669624][ T5193] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.671337][ T5193] Call trace: [ 74.671905][ T5193] dump_backtrace+0x0/0x458 [ 74.672632][ T5193] show_stack+0x2c/0x3c [ 74.673288][ T5193] __dump_stack+0x30/0x40 [ 74.673961][ T5193] dump_stack_lvl+0xf4/0x15c [ 74.674683][ T5193] dump_stack+0x1c/0x5c [ 74.675385][ T5193] should_fail+0x3bc/0x514 [ 74.676109][ T5193] __should_failslab+0xbc/0x10c [ 74.676939][ T5193] should_failslab+0x10/0x28 [ 74.677748][ T5193] slab_pre_alloc_hook+0x64/0xe8 [ 74.678596][ T5193] __kmalloc_track_caller+0x70/0x358 [ 74.679447][ T5193] kstrdup+0xe4/0x15c [ 74.680063][ T5193] kstrdup_const+0x54/0x6c [ 74.680743][ T5193] kvasprintf_const+0x120/0x2e4 [ 74.681594][ T5193] kobject_set_name_vargs+0xd8/0x1c8 [ 74.682522][ T5193] dev_set_name+0xe8/0x13c [ 74.683254][ T5193] device_add_disk+0x258/0xacc [ 74.684094][ T5193] loop_add+0x510/0x6e0 [ 74.684772][ T5193] loop_control_ioctl+0x130/0x4e0 [ 74.685557][ T5193] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.686354][ T5193] invoke_syscall+0x98/0x2b0 [ 74.687088][ T5193] el0_svc_common+0x138/0x258 [ 74.687841][ T5193] do_el0_svc+0x58/0x13c [ 74.688610][ T5193] el0_svc+0x78/0x1d0 [ 74.689259][ T5193] el0t_64_sync_handler+0xcc/0xe4 [ 74.690063][ T5193] el0t_64_sync+0x1a0/0x1a4 [ 74.691931][ T9] team0 (unregistering): Port device team_slave_0 removed [ 74.701600][ T5195] FAULT_INJECTION: forcing a failure. [ 74.701600][ T5195] name failslab, interval 1, probability 0, space 0, times 0 [ 74.703512][ T5195] CPU: 0 PID: 5195 Comm: syz.0.55 Tainted: G W syzkaller #0 [ 74.704969][ T5195] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.706670][ T5195] Call trace: [ 74.707187][ T5195] dump_backtrace+0x0/0x458 [ 74.707954][ T5195] show_stack+0x2c/0x3c [ 74.708683][ T5195] __dump_stack+0x30/0x40 [ 74.709457][ T5195] dump_stack_lvl+0xf4/0x15c [ 74.710252][ T5195] dump_stack+0x1c/0x5c [ 74.710949][ T5195] should_fail+0x3bc/0x514 [ 74.711655][ T5195] __should_failslab+0xbc/0x10c [ 74.712455][ T5195] should_failslab+0x10/0x28 [ 74.713177][ T5195] slab_pre_alloc_hook+0x64/0xe8 [ 74.714025][ T5195] __kmalloc_track_caller+0x70/0x358 [ 74.714867][ T5195] kstrdup+0xe4/0x15c [ 74.715582][ T5195] kstrdup_const+0x54/0x6c [ 74.716274][ T5195] kvasprintf_const+0x120/0x2e4 [ 74.717085][ T5195] kobject_set_name_vargs+0xd8/0x1c8 [ 74.717931][ T5195] dev_set_name+0xe8/0x13c [ 74.718755][ T5195] device_add_disk+0x258/0xacc [ 74.719606][ T5195] loop_add+0x510/0x6e0 [ 74.720371][ T5195] loop_control_ioctl+0x130/0x4e0 [ 74.721286][ T5195] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.722178][ T5195] invoke_syscall+0x98/0x2b0 [ 74.722931][ T5195] el0_svc_common+0x138/0x258 [ 74.723692][ T5195] do_el0_svc+0x58/0x13c [ 74.724352][ T5195] el0_svc+0x78/0x1d0 [ 74.724997][ T5195] el0t_64_sync_handler+0xcc/0xe4 [ 74.725814][ T5195] el0t_64_sync+0x1a0/0x1a4 [ 74.727160][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 74.737169][ T5197] FAULT_INJECTION: forcing a failure. [ 74.737169][ T5197] name failslab, interval 1, probability 0, space 0, times 0 [ 74.739189][ T5197] CPU: 0 PID: 5197 Comm: syz.0.56 Tainted: G W syzkaller #0 [ 74.740726][ T5197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.742432][ T5197] Call trace: [ 74.742940][ T5197] dump_backtrace+0x0/0x458 [ 74.743601][ T5197] show_stack+0x2c/0x3c [ 74.744347][ T5197] __dump_stack+0x30/0x40 [ 74.745101][ T5197] dump_stack_lvl+0xf4/0x15c [ 74.745908][ T5197] dump_stack+0x1c/0x5c [ 74.746597][ T5197] should_fail+0x3bc/0x514 [ 74.747385][ T5197] __should_failslab+0xbc/0x10c [ 74.748200][ T5197] should_failslab+0x10/0x28 [ 74.749028][ T5197] slab_pre_alloc_hook+0x64/0xe8 [ 74.749942][ T5197] __kmalloc_track_caller+0x70/0x358 [ 74.750762][ T5197] kstrdup+0xe4/0x15c [ 74.751417][ T5197] kstrdup_const+0x54/0x6c [ 74.752167][ T5197] kvasprintf_const+0x120/0x2e4 [ 74.752961][ T5197] kobject_set_name_vargs+0xd8/0x1c8 [ 74.753792][ T5197] dev_set_name+0xe8/0x13c [ 74.754548][ T5197] device_add_disk+0x258/0xacc [ 74.755400][ T5197] loop_add+0x510/0x6e0 [ 74.756159][ T5197] loop_control_ioctl+0x130/0x4e0 [ 74.757054][ T5197] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.757962][ T5197] invoke_syscall+0x98/0x2b0 [ 74.758714][ T5197] el0_svc_common+0x138/0x258 [ 74.759489][ T5197] do_el0_svc+0x58/0x13c [ 74.760188][ T5197] el0_svc+0x78/0x1d0 [ 74.760883][ T5197] el0t_64_sync_handler+0xcc/0xe4 [ 74.761767][ T5197] el0t_64_sync+0x1a0/0x1a4 [ 74.771978][ T5199] FAULT_INJECTION: forcing a failure. [ 74.771978][ T5199] name failslab, interval 1, probability 0, space 0, times 0 [ 74.774605][ T5199] CPU: 1 PID: 5199 Comm: syz.0.57 Tainted: G W syzkaller #0 [ 74.775895][ T5199] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.777624][ T5199] Call trace: [ 74.778167][ T5199] dump_backtrace+0x0/0x458 [ 74.778906][ T5199] show_stack+0x2c/0x3c [ 74.779614][ T5199] __dump_stack+0x30/0x40 [ 74.780316][ T5199] dump_stack_lvl+0xf4/0x15c [ 74.781088][ T5199] dump_stack+0x1c/0x5c [ 74.781750][ T5199] should_fail+0x3bc/0x514 [ 74.782543][ T5199] __should_failslab+0xbc/0x10c [ 74.783485][ T5199] should_failslab+0x10/0x28 [ 74.784276][ T5199] slab_pre_alloc_hook+0x64/0xe8 [ 74.785097][ T5199] __kmalloc_track_caller+0x70/0x358 [ 74.785965][ T5199] kstrdup+0xe4/0x15c [ 74.786608][ T5199] kstrdup_const+0x54/0x6c [ 74.787295][ T5199] kvasprintf_const+0x120/0x2e4 [ 74.788012][ T5199] kobject_set_name_vargs+0xd8/0x1c8 [ 74.788849][ T5199] dev_set_name+0xe8/0x13c [ 74.789526][ T5199] device_add_disk+0x258/0xacc [ 74.790319][ T5199] loop_add+0x510/0x6e0 [ 74.791020][ T5199] loop_control_ioctl+0x130/0x4e0 [ 74.791872][ T5199] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.792637][ T5199] invoke_syscall+0x98/0x2b0 [ 74.793430][ T5199] el0_svc_common+0x138/0x258 [ 74.794257][ T5199] do_el0_svc+0x58/0x13c [ 74.794999][ T5199] el0_svc+0x78/0x1d0 [ 74.795668][ T5199] el0t_64_sync_handler+0xcc/0xe4 [ 74.796521][ T5199] el0t_64_sync+0x1a0/0x1a4 [ 74.802344][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 74.809968][ T5201] FAULT_INJECTION: forcing a failure. [ 74.809968][ T5201] name failslab, interval 1, probability 0, space 0, times 0 [ 74.813519][ T5201] CPU: 0 PID: 5201 Comm: syz.0.58 Tainted: G W syzkaller #0 [ 74.814878][ T5201] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.816629][ T5201] Call trace: [ 74.817169][ T5201] dump_backtrace+0x0/0x458 [ 74.817908][ T5201] show_stack+0x2c/0x3c [ 74.818591][ T5201] __dump_stack+0x30/0x40 [ 74.819277][ T5201] dump_stack_lvl+0xf4/0x15c [ 74.820082][ T5201] dump_stack+0x1c/0x5c [ 74.820807][ T5201] should_fail+0x3bc/0x514 [ 74.821548][ T5201] __should_failslab+0xbc/0x10c [ 74.822331][ T5201] should_failslab+0x10/0x28 [ 74.822976][ T5201] slab_pre_alloc_hook+0x64/0xe8 [ 74.823758][ T5201] __kmalloc_track_caller+0x70/0x358 [ 74.824659][ T5201] kstrdup+0xe4/0x15c [ 74.825356][ T5201] kstrdup_const+0x54/0x6c [ 74.825973][ T5201] kvasprintf_const+0x120/0x2e4 [ 74.826872][ T5201] kobject_set_name_vargs+0xd8/0x1c8 [ 74.827670][ T5201] dev_set_name+0xe8/0x13c [ 74.828465][ T5201] device_add_disk+0x258/0xacc [ 74.829244][ T5201] loop_add+0x510/0x6e0 [ 74.829969][ T5201] loop_control_ioctl+0x130/0x4e0 [ 74.830777][ T5201] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.831544][ T5201] invoke_syscall+0x98/0x2b0 [ 74.832311][ T5201] el0_svc_common+0x138/0x258 [ 74.833095][ T5201] do_el0_svc+0x58/0x13c [ 74.833839][ T5201] el0_svc+0x78/0x1d0 [ 74.834488][ T5201] el0t_64_sync_handler+0xcc/0xe4 [ 74.835367][ T5201] el0t_64_sync+0x1a0/0x1a4 [ 74.847528][ T5203] FAULT_INJECTION: forcing a failure. [ 74.847528][ T5203] name failslab, interval 1, probability 0, space 0, times 0 [ 74.849718][ T5203] CPU: 1 PID: 5203 Comm: syz.0.59 Tainted: G W syzkaller #0 [ 74.851129][ T5203] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.852787][ T5203] Call trace: [ 74.853295][ T5203] dump_backtrace+0x0/0x458 [ 74.854013][ T5203] show_stack+0x2c/0x3c [ 74.854692][ T5203] __dump_stack+0x30/0x40 [ 74.855424][ T5203] dump_stack_lvl+0xf4/0x15c [ 74.856182][ T5203] dump_stack+0x1c/0x5c [ 74.856811][ T5203] should_fail+0x3bc/0x514 [ 74.857448][ T5203] __should_failslab+0xbc/0x10c [ 74.858318][ T5203] should_failslab+0x10/0x28 [ 74.859041][ T5203] slab_pre_alloc_hook+0x64/0xe8 [ 74.859845][ T5203] kmem_cache_alloc+0x94/0x3d4 [ 74.860641][ T5203] security_inode_alloc+0x38/0x11c [ 74.861458][ T5203] inode_init_always+0x670/0xa84 [ 74.862354][ T5203] new_inode_pseudo+0x7c/0x1fc [ 74.863170][ T5203] new_inode+0x38/0x174 [ 74.863853][ T5203] bdev_alloc+0x30/0x1f8 [ 74.864564][ T5203] __alloc_disk_node+0xbc/0x450 [ 74.865401][ T5203] __blk_mq_alloc_disk+0xe8/0x154 [ 74.866257][ T5203] loop_add+0x240/0x6e0 [ 74.866911][ T5203] loop_control_ioctl+0x130/0x4e0 [ 74.867743][ T5203] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.868581][ T5203] invoke_syscall+0x98/0x2b0 [ 74.869340][ T5203] el0_svc_common+0x138/0x258 [ 74.870120][ T5203] do_el0_svc+0x58/0x13c [ 74.870854][ T5203] el0_svc+0x78/0x1d0 [ 74.871559][ T5203] el0t_64_sync_handler+0xcc/0xe4 [ 74.872404][ T5203] el0t_64_sync+0x1a0/0x1a4 [ 74.885853][ T5205] FAULT_INJECTION: forcing a failure. [ 74.885853][ T5205] name failslab, interval 1, probability 0, space 0, times 0 [ 74.888032][ T5205] CPU: 1 PID: 5205 Comm: syz.0.60 Tainted: G W syzkaller #0 [ 74.889473][ T5205] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.891105][ T5205] Call trace: [ 74.891658][ T5205] dump_backtrace+0x0/0x458 [ 74.892391][ T5205] show_stack+0x2c/0x3c [ 74.893024][ T5205] __dump_stack+0x30/0x40 [ 74.893656][ T5205] dump_stack_lvl+0xf4/0x15c [ 74.894346][ T5205] dump_stack+0x1c/0x5c [ 74.895010][ T5205] should_fail+0x3bc/0x514 [ 74.895773][ T5205] __should_failslab+0xbc/0x10c [ 74.896617][ T5205] should_failslab+0x10/0x28 [ 74.897423][ T5205] slab_pre_alloc_hook+0x64/0xe8 [ 74.898235][ T5205] __kmalloc_track_caller+0x70/0x358 [ 74.899113][ T5205] kstrdup+0xe4/0x15c [ 74.899823][ T5205] kstrdup_const+0x54/0x6c [ 74.900548][ T5205] kvasprintf_const+0x120/0x2e4 [ 74.901347][ T5205] kobject_set_name_vargs+0xd8/0x1c8 [ 74.902271][ T5205] dev_set_name+0xe8/0x13c [ 74.903012][ T5205] device_add_disk+0x258/0xacc [ 74.903775][ T5205] loop_add+0x510/0x6e0 [ 74.904498][ T5205] loop_control_ioctl+0x130/0x4e0 [ 74.905339][ T5205] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.906211][ T5205] invoke_syscall+0x98/0x2b0 [ 74.906996][ T5205] el0_svc_common+0x138/0x258 [ 74.907856][ T5205] do_el0_svc+0x58/0x13c [ 74.908634][ T5205] el0_svc+0x78/0x1d0 [ 74.909313][ T5205] el0t_64_sync_handler+0xcc/0xe4 [ 74.910218][ T5205] el0t_64_sync+0x1a0/0x1a4 [ 74.925267][ T5207] FAULT_INJECTION: forcing a failure. [ 74.925267][ T5207] name failslab, interval 1, probability 0, space 0, times 0 [ 74.927288][ T5207] CPU: 0 PID: 5207 Comm: syz.0.61 Tainted: G W syzkaller #0 [ 74.928725][ T5207] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.930533][ T5207] Call trace: [ 74.931075][ T5207] dump_backtrace+0x0/0x458 [ 74.931863][ T5207] show_stack+0x2c/0x3c [ 74.932486][ T5207] __dump_stack+0x30/0x40 [ 74.933209][ T5207] dump_stack_lvl+0xf4/0x15c [ 74.934038][ T5207] dump_stack+0x1c/0x5c [ 74.934761][ T5207] should_fail+0x3bc/0x514 [ 74.935538][ T5207] __should_failslab+0xbc/0x10c [ 74.936362][ T5207] should_failslab+0x10/0x28 [ 74.937101][ T5207] slab_pre_alloc_hook+0x64/0xe8 [ 74.937932][ T5207] kmem_cache_alloc_trace+0x98/0x3ec [ 74.938759][ T5207] rand_initialize_disk+0x58/0xb8 [ 74.939572][ T5207] __alloc_disk_node+0x2a8/0x450 [ 74.940413][ T5207] __blk_mq_alloc_disk+0xe8/0x154 [ 74.941299][ T5207] loop_add+0x240/0x6e0 [ 74.942039][ T5207] loop_control_ioctl+0x130/0x4e0 [ 74.942965][ T5207] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.943909][ T5207] invoke_syscall+0x98/0x2b0 [ 74.944710][ T5207] el0_svc_common+0x138/0x258 [ 74.945536][ T5207] do_el0_svc+0x58/0x13c [ 74.946266][ T5207] el0_svc+0x78/0x1d0 [ 74.946899][ T5207] el0t_64_sync_handler+0xcc/0xe4 [ 74.947666][ T5207] el0t_64_sync+0x1a0/0x1a4 [ 74.961815][ T9] bond0 (unregistering): Released all slaves [ 74.970166][ T5209] FAULT_INJECTION: forcing a failure. [ 74.970166][ T5209] name failslab, interval 1, probability 0, space 0, times 0 [ 74.972366][ T5209] CPU: 0 PID: 5209 Comm: syz.0.62 Tainted: G W syzkaller #0 [ 74.973807][ T5209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 74.975460][ T5209] Call trace: [ 74.975980][ T5209] dump_backtrace+0x0/0x458 [ 74.976675][ T5209] show_stack+0x2c/0x3c [ 74.977308][ T5209] __dump_stack+0x30/0x40 [ 74.978050][ T5209] dump_stack_lvl+0xf4/0x15c [ 74.978772][ T5209] dump_stack+0x1c/0x5c [ 74.979415][ T5209] should_fail+0x3bc/0x514 [ 74.980127][ T5209] __should_failslab+0xbc/0x10c [ 74.980958][ T5209] should_failslab+0x10/0x28 [ 74.981690][ T5209] slab_pre_alloc_hook+0x64/0xe8 [ 74.982453][ T5209] __kmalloc_track_caller+0x70/0x358 [ 74.983276][ T5209] kstrdup+0xe4/0x15c [ 74.983919][ T5209] kstrdup_const+0x54/0x6c [ 74.984658][ T5209] kvasprintf_const+0x120/0x2e4 [ 74.985455][ T5209] kobject_set_name_vargs+0xd8/0x1c8 [ 74.986316][ T5209] dev_set_name+0xe8/0x13c [ 74.987082][ T5209] device_add_disk+0x258/0xacc [ 74.987876][ T5209] loop_add+0x510/0x6e0 [ 74.988588][ T5209] loop_control_ioctl+0x130/0x4e0 [ 74.989437][ T5209] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.990230][ T5209] invoke_syscall+0x98/0x2b0 [ 74.990997][ T5209] el0_svc_common+0x138/0x258 [ 74.991805][ T5209] do_el0_svc+0x58/0x13c [ 74.992521][ T5209] el0_svc+0x78/0x1d0 [ 74.993190][ T5209] el0t_64_sync_handler+0xcc/0xe4 [ 74.994110][ T5209] el0t_64_sync+0x1a0/0x1a4 [ 75.006329][ T5211] FAULT_INJECTION: forcing a failure. [ 75.006329][ T5211] name failslab, interval 1, probability 0, space 0, times 0 [ 75.008407][ T5211] CPU: 1 PID: 5211 Comm: syz.0.63 Tainted: G W syzkaller #0 [ 75.009783][ T5211] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.011380][ T5211] Call trace: [ 75.011895][ T5211] dump_backtrace+0x0/0x458 [ 75.012740][ T5211] show_stack+0x2c/0x3c [ 75.013545][ T5211] __dump_stack+0x30/0x40 [ 75.014250][ T5211] dump_stack_lvl+0xf4/0x15c [ 75.014996][ T5211] dump_stack+0x1c/0x5c [ 75.015675][ T5211] should_fail+0x3bc/0x514 [ 75.016418][ T5211] __should_failslab+0xbc/0x10c [ 75.017204][ T5211] should_failslab+0x10/0x28 [ 75.018031][ T5211] slab_pre_alloc_hook+0x64/0xe8 [ 75.018833][ T5211] __kmalloc_track_caller+0x70/0x358 [ 75.019713][ T5211] kstrdup+0xe4/0x15c [ 75.020371][ T5211] kstrdup_const+0x54/0x6c [ 75.021121][ T5211] kvasprintf_const+0x120/0x2e4 [ 75.021919][ T5211] kobject_set_name_vargs+0xd8/0x1c8 [ 75.022760][ T5211] dev_set_name+0xe8/0x13c [ 75.023500][ T5211] device_add_disk+0x258/0xacc [ 75.024312][ T5211] loop_add+0x510/0x6e0 [ 75.025061][ T5211] loop_control_ioctl+0x130/0x4e0 [ 75.025967][ T5211] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.026861][ T5211] invoke_syscall+0x98/0x2b0 [ 75.027622][ T5211] el0_svc_common+0x138/0x258 [ 75.028412][ T5211] do_el0_svc+0x58/0x13c [ 75.029072][ T5211] el0_svc+0x78/0x1d0 [ 75.029767][ T5211] el0t_64_sync_handler+0xcc/0xe4 [ 75.030642][ T5211] el0t_64_sync+0x1a0/0x1a4 [ 75.041932][ T5213] FAULT_INJECTION: forcing a failure. [ 75.041932][ T5213] name failslab, interval 1, probability 0, space 0, times 0 [ 75.044004][ T5213] CPU: 1 PID: 5213 Comm: syz.0.64 Tainted: G W syzkaller #0 [ 75.045330][ T5213] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.046903][ T5213] Call trace: [ 75.047458][ T5213] dump_backtrace+0x0/0x458 [ 75.048190][ T5213] show_stack+0x2c/0x3c [ 75.048885][ T5213] __dump_stack+0x30/0x40 [ 75.049603][ T5213] dump_stack_lvl+0xf4/0x15c [ 75.050397][ T5213] dump_stack+0x1c/0x5c [ 75.051095][ T5213] should_fail+0x3bc/0x514 [ 75.051834][ T5213] __should_failslab+0xbc/0x10c [ 75.052719][ T5213] should_failslab+0x10/0x28 [ 75.053524][ T5213] slab_pre_alloc_hook+0x64/0xe8 [ 75.054387][ T5213] __kmalloc_track_caller+0x70/0x358 [ 75.055244][ T5213] kstrdup+0xe4/0x15c [ 75.055944][ T5213] kstrdup_const+0x54/0x6c [ 75.056662][ T5213] kvasprintf_const+0x120/0x2e4 [ 75.057525][ T5213] kobject_set_name_vargs+0xd8/0x1c8 [ 75.058421][ T5213] dev_set_name+0xe8/0x13c [ 75.059155][ T5213] device_add_disk+0x258/0xacc [ 75.060005][ T5213] loop_add+0x510/0x6e0 [ 75.060749][ T5213] loop_control_ioctl+0x130/0x4e0 [ 75.061585][ T5213] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.062436][ T5213] invoke_syscall+0x98/0x2b0 [ 75.063258][ T5213] el0_svc_common+0x138/0x258 [ 75.064075][ T5213] do_el0_svc+0x58/0x13c [ 75.064808][ T5213] el0_svc+0x78/0x1d0 [ 75.065458][ T5213] el0t_64_sync_handler+0xcc/0xe4 [ 75.066290][ T5213] el0t_64_sync+0x1a0/0x1a4 [ 75.077700][ T5215] FAULT_INJECTION: forcing a failure. [ 75.077700][ T5215] name failslab, interval 1, probability 0, space 0, times 0 [ 75.080180][ T5215] CPU: 1 PID: 5215 Comm: syz.0.65 Tainted: G W syzkaller #0 [ 75.081711][ T5215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.083395][ T5215] Call trace: [ 75.083890][ T5215] dump_backtrace+0x0/0x458 [ 75.084668][ T5215] show_stack+0x2c/0x3c [ 75.085377][ T5215] __dump_stack+0x30/0x40 [ 75.086150][ T5215] dump_stack_lvl+0xf4/0x15c [ 75.086899][ T5215] dump_stack+0x1c/0x5c [ 75.087540][ T5215] should_fail+0x3bc/0x514 [ 75.088283][ T5215] __should_failslab+0xbc/0x10c [ 75.089100][ T5215] should_failslab+0x10/0x28 [ 75.089826][ T5215] slab_pre_alloc_hook+0x64/0xe8 [ 75.090639][ T5215] __kmalloc_track_caller+0x70/0x358 [ 75.091532][ T5215] kstrdup+0xe4/0x15c [ 75.092230][ T5215] kstrdup_const+0x54/0x6c [ 75.092920][ T5215] kvasprintf_const+0x120/0x2e4 [ 75.093720][ T5215] kobject_set_name_vargs+0xd8/0x1c8 [ 75.094643][ T5215] dev_set_name+0xe8/0x13c [ 75.095461][ T5215] device_add_disk+0x258/0xacc [ 75.096288][ T5215] loop_add+0x510/0x6e0 [ 75.096993][ T5215] loop_control_ioctl+0x130/0x4e0 [ 75.097880][ T5215] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.098713][ T5215] invoke_syscall+0x98/0x2b0 [ 75.099443][ T5215] el0_svc_common+0x138/0x258 [ 75.100228][ T5215] do_el0_svc+0x58/0x13c [ 75.100908][ T5215] el0_svc+0x78/0x1d0 [ 75.101557][ T5215] el0t_64_sync_handler+0xcc/0xe4 [ 75.102360][ T5215] el0t_64_sync+0x1a0/0x1a4 [ 75.114209][ T5217] FAULT_INJECTION: forcing a failure. [ 75.114209][ T5217] name failslab, interval 1, probability 0, space 0, times 0 [ 75.116223][ T5217] CPU: 1 PID: 5217 Comm: syz.0.66 Tainted: G W syzkaller #0 [ 75.117647][ T5217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.119328][ T5217] Call trace: [ 75.119857][ T5217] dump_backtrace+0x0/0x458 [ 75.120604][ T5217] show_stack+0x2c/0x3c [ 75.121373][ T5217] __dump_stack+0x30/0x40 [ 75.122078][ T5217] dump_stack_lvl+0xf4/0x15c [ 75.122845][ T5217] dump_stack+0x1c/0x5c [ 75.123563][ T5217] should_fail+0x3bc/0x514 [ 75.124296][ T5217] __should_failslab+0xbc/0x10c [ 75.125095][ T5217] should_failslab+0x10/0x28 [ 75.125844][ T5217] slab_pre_alloc_hook+0x64/0xe8 [ 75.126659][ T5217] __kmalloc_track_caller+0x70/0x358 [ 75.127545][ T5217] kstrdup+0xe4/0x15c [ 75.128198][ T5217] kstrdup_const+0x54/0x6c [ 75.129002][ T5217] kvasprintf_const+0x120/0x2e4 [ 75.129851][ T5217] kobject_set_name_vargs+0xd8/0x1c8 [ 75.130793][ T5217] dev_set_name+0xe8/0x13c [ 75.131571][ T5217] device_add_disk+0x258/0xacc [ 75.132353][ T5217] loop_add+0x510/0x6e0 [ 75.133066][ T5217] loop_control_ioctl+0x130/0x4e0 [ 75.133934][ T5217] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.134741][ T5217] invoke_syscall+0x98/0x2b0 [ 75.135489][ T5217] el0_svc_common+0x138/0x258 [ 75.136269][ T5217] do_el0_svc+0x58/0x13c [ 75.136927][ T5217] el0_svc+0x78/0x1d0 [ 75.137484][ T5217] el0t_64_sync_handler+0xcc/0xe4 [ 75.138329][ T5217] el0t_64_sync+0x1a0/0x1a4 [ 75.158935][ T5219] FAULT_INJECTION: forcing a failure. [ 75.158935][ T5219] name failslab, interval 1, probability 0, space 0, times 0 [ 75.161957][ T5219] CPU: 1 PID: 5219 Comm: syz.0.67 Tainted: G W syzkaller #0 [ 75.163326][ T5219] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.164941][ T5219] Call trace: [ 75.165466][ T5219] dump_backtrace+0x0/0x458 [ 75.166264][ T5219] show_stack+0x2c/0x3c [ 75.167045][ T5219] __dump_stack+0x30/0x40 [ 75.167827][ T5219] dump_stack_lvl+0xf4/0x15c [ 75.168631][ T5219] dump_stack+0x1c/0x5c [ 75.169394][ T5219] should_fail+0x3bc/0x514 [ 75.170205][ T5219] __should_failslab+0xbc/0x10c [ 75.171050][ T5219] should_failslab+0x10/0x28 [ 75.171829][ T5219] slab_pre_alloc_hook+0x64/0xe8 [ 75.172713][ T5219] kmem_cache_alloc_trace+0x98/0x3ec [ 75.173532][ T5219] rand_initialize_disk+0x58/0xb8 [ 75.174484][ T5219] __alloc_disk_node+0x2a8/0x450 [ 75.175276][ T5219] __blk_mq_alloc_disk+0xe8/0x154 [ 75.176138][ T5219] loop_add+0x240/0x6e0 [ 75.176888][ T5219] loop_control_ioctl+0x130/0x4e0 [ 75.177772][ T5219] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.178661][ T5219] invoke_syscall+0x98/0x2b0 [ 75.179389][ T5219] el0_svc_common+0x138/0x258 [ 75.180173][ T5219] do_el0_svc+0x58/0x13c [ 75.180920][ T5219] el0_svc+0x78/0x1d0 [ 75.181582][ T5219] el0t_64_sync_handler+0xcc/0xe4 [ 75.182453][ T5219] el0t_64_sync+0x1a0/0x1a4 [ 75.201248][ T5221] FAULT_INJECTION: forcing a failure. [ 75.201248][ T5221] name failslab, interval 1, probability 0, space 0, times 0 [ 75.203416][ T5221] CPU: 0 PID: 5221 Comm: syz.0.68 Tainted: G W syzkaller #0 [ 75.204783][ T5221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.206565][ T5221] Call trace: [ 75.207116][ T5221] dump_backtrace+0x0/0x458 [ 75.207905][ T5221] show_stack+0x2c/0x3c [ 75.208677][ T5221] __dump_stack+0x30/0x40 [ 75.209444][ T5221] dump_stack_lvl+0xf4/0x15c [ 75.210286][ T5221] dump_stack+0x1c/0x5c [ 75.211003][ T5221] should_fail+0x3bc/0x514 [ 75.211720][ T5221] __should_failslab+0xbc/0x10c [ 75.212548][ T5221] should_failslab+0x10/0x28 [ 75.213319][ T5221] slab_pre_alloc_hook+0x64/0xe8 [ 75.214133][ T5221] __kmalloc_track_caller+0x70/0x358 [ 75.214956][ T5221] kstrdup+0xe4/0x15c [ 75.215695][ T5221] kstrdup_const+0x54/0x6c [ 75.216450][ T5221] kvasprintf_const+0x120/0x2e4 [ 75.217310][ T5221] kobject_set_name_vargs+0xd8/0x1c8 [ 75.218278][ T5221] dev_set_name+0xe8/0x13c [ 75.218985][ T5221] device_add_disk+0x258/0xacc [ 75.219738][ T5221] loop_add+0x510/0x6e0 [ 75.220448][ T5221] loop_control_ioctl+0x130/0x4e0 [ 75.221283][ T5221] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.222117][ T5221] invoke_syscall+0x98/0x2b0 [ 75.222943][ T5221] el0_svc_common+0x138/0x258 [ 75.223766][ T5221] do_el0_svc+0x58/0x13c [ 75.224545][ T5221] el0_svc+0x78/0x1d0 [ 75.225281][ T5221] el0t_64_sync_handler+0xcc/0xe4 [ 75.226132][ T5221] el0t_64_sync+0x1a0/0x1a4 [ 75.236231][ T5223] FAULT_INJECTION: forcing a failure. [ 75.236231][ T5223] name failslab, interval 1, probability 0, space 0, times 0 [ 75.238268][ T5223] CPU: 0 PID: 5223 Comm: syz.0.69 Tainted: G W syzkaller #0 [ 75.239629][ T5223] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.241338][ T5223] Call trace: [ 75.241922][ T5223] dump_backtrace+0x0/0x458 [ 75.242662][ T5223] show_stack+0x2c/0x3c [ 75.243347][ T5223] __dump_stack+0x30/0x40 [ 75.244055][ T5223] dump_stack_lvl+0xf4/0x15c [ 75.244811][ T5223] dump_stack+0x1c/0x5c [ 75.245511][ T5223] should_fail+0x3bc/0x514 [ 75.246331][ T5223] __should_failslab+0xbc/0x10c [ 75.247142][ T5223] should_failslab+0x10/0x28 [ 75.247941][ T5223] slab_pre_alloc_hook+0x64/0xe8 [ 75.248718][ T5223] __kmalloc_track_caller+0x70/0x358 [ 75.249642][ T5223] kstrdup+0xe4/0x15c [ 75.250337][ T5223] kstrdup_const+0x54/0x6c [ 75.251063][ T5223] kvasprintf_const+0x120/0x2e4 [ 75.251926][ T5223] kobject_set_name_vargs+0xd8/0x1c8 [ 75.252778][ T5223] dev_set_name+0xe8/0x13c [ 75.253505][ T5223] device_add_disk+0x258/0xacc [ 75.254273][ T5223] loop_add+0x510/0x6e0 [ 75.254934][ T5223] loop_control_ioctl+0x130/0x4e0 [ 75.255786][ T5223] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.256629][ T5223] invoke_syscall+0x98/0x2b0 [ 75.257412][ T5223] el0_svc_common+0x138/0x258 [ 75.258222][ T5223] do_el0_svc+0x58/0x13c [ 75.258967][ T5223] el0_svc+0x78/0x1d0 [ 75.259623][ T5223] el0t_64_sync_handler+0xcc/0xe4 [ 75.260455][ T5223] el0t_64_sync+0x1a0/0x1a4 [ 75.270957][ T5225] FAULT_INJECTION: forcing a failure. [ 75.270957][ T5225] name failslab, interval 1, probability 0, space 0, times 0 [ 75.272983][ T5225] CPU: 0 PID: 5225 Comm: syz.0.70 Tainted: G W syzkaller #0 [ 75.274409][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.275967][ T5225] Call trace: [ 75.276462][ T5225] dump_backtrace+0x0/0x458 [ 75.277212][ T5225] show_stack+0x2c/0x3c [ 75.278010][ T5225] __dump_stack+0x30/0x40 [ 75.278738][ T5225] dump_stack_lvl+0xf4/0x15c [ 75.279540][ T5225] dump_stack+0x1c/0x5c [ 75.280247][ T5225] should_fail+0x3bc/0x514 [ 75.281005][ T5225] __should_failslab+0xbc/0x10c [ 75.281832][ T5225] should_failslab+0x10/0x28 [ 75.282691][ T5225] slab_pre_alloc_hook+0x64/0xe8 [ 75.283580][ T5225] __kmalloc_node+0xb8/0x508 [ 75.284266][ T5225] memcg_alloc_page_obj_cgroups+0x80/0x170 [ 75.285337][ T5225] new_slab+0x114/0x544 [ 75.286018][ T5225] ___slab_alloc+0x6b4/0xd8c [ 75.286799][ T5225] __slab_alloc+0x68/0xc0 [ 75.287521][ T5225] kmem_cache_alloc+0x2a4/0x3d4 [ 75.288318][ T5225] bdev_alloc_inode+0x24/0x60 [ 75.289134][ T5225] new_inode_pseudo+0x68/0x1fc [ 75.289966][ T5225] new_inode+0x38/0x174 [ 75.290669][ T5225] bdev_alloc+0x30/0x1f8 [ 75.291457][ T5225] __alloc_disk_node+0xbc/0x450 [ 75.292189][ T5225] __blk_mq_alloc_disk+0xe8/0x154 [ 75.293011][ T5225] loop_add+0x240/0x6e0 [ 75.293706][ T5225] loop_control_ioctl+0x130/0x4e0 [ 75.294492][ T5225] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.295256][ T5225] invoke_syscall+0x98/0x2b0 [ 75.296012][ T5225] el0_svc_common+0x138/0x258 [ 75.296751][ T5225] do_el0_svc+0x58/0x13c [ 75.297442][ T5225] el0_svc+0x78/0x1d0 [ 75.298067][ T5225] el0t_64_sync_handler+0xcc/0xe4 [ 75.298911][ T5225] el0t_64_sync+0x1a0/0x1a4 [ 75.313486][ T5227] FAULT_INJECTION: forcing a failure. [ 75.313486][ T5227] name failslab, interval 1, probability 0, space 0, times 0 [ 75.315608][ T5227] CPU: 1 PID: 5227 Comm: syz.0.71 Tainted: G W syzkaller #0 [ 75.316994][ T5227] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.318621][ T5227] Call trace: [ 75.319197][ T5227] dump_backtrace+0x0/0x458 [ 75.320003][ T5227] show_stack+0x2c/0x3c [ 75.320765][ T5227] __dump_stack+0x30/0x40 [ 75.321550][ T5227] dump_stack_lvl+0xf4/0x15c [ 75.322292][ T5227] dump_stack+0x1c/0x5c [ 75.322975][ T5227] should_fail+0x3bc/0x514 [ 75.323712][ T5227] __should_failslab+0xbc/0x10c [ 75.324476][ T5227] should_failslab+0x10/0x28 [ 75.325438][ T5227] slab_pre_alloc_hook+0x64/0xe8 [ 75.326283][ T5227] __kmalloc_track_caller+0x70/0x358 [ 75.327151][ T5227] kstrdup+0xe4/0x15c [ 75.327783][ T5227] kstrdup_const+0x54/0x6c [ 75.328498][ T5227] kvasprintf_const+0x120/0x2e4 [ 75.329321][ T5227] kobject_set_name_vargs+0xd8/0x1c8 [ 75.330246][ T5227] dev_set_name+0xe8/0x13c [ 75.330952][ T5227] device_add_disk+0x258/0xacc [ 75.331740][ T5227] loop_add+0x510/0x6e0 [ 75.332421][ T5227] loop_control_ioctl+0x130/0x4e0 [ 75.333331][ T5227] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.334164][ T5227] invoke_syscall+0x98/0x2b0 [ 75.334941][ T5227] el0_svc_common+0x138/0x258 [ 75.335697][ T5227] do_el0_svc+0x58/0x13c [ 75.336507][ T5227] el0_svc+0x78/0x1d0 [ 75.337213][ T5227] el0t_64_sync_handler+0xcc/0xe4 [ 75.338018][ T5227] el0t_64_sync+0x1a0/0x1a4 [ 75.349481][ T5229] FAULT_INJECTION: forcing a failure. [ 75.349481][ T5229] name failslab, interval 1, probability 0, space 0, times 0 [ 75.352550][ T5229] CPU: 0 PID: 5229 Comm: syz.0.72 Tainted: G W syzkaller #0 [ 75.354029][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.355858][ T5229] Call trace: [ 75.356352][ T5229] dump_backtrace+0x0/0x458 [ 75.357128][ T5229] show_stack+0x2c/0x3c [ 75.357886][ T5229] __dump_stack+0x30/0x40 [ 75.358636][ T5229] dump_stack_lvl+0xf4/0x15c [ 75.359369][ T5229] dump_stack+0x1c/0x5c [ 75.360125][ T5229] should_fail+0x3bc/0x514 [ 75.360851][ T5229] __should_failslab+0xbc/0x10c [ 75.361646][ T5229] should_failslab+0x10/0x28 [ 75.362394][ T5229] slab_pre_alloc_hook+0x64/0xe8 [ 75.363214][ T5229] __kmalloc_track_caller+0x70/0x358 [ 75.364155][ T5229] kstrdup+0xe4/0x15c [ 75.364908][ T5229] kstrdup_const+0x54/0x6c [ 75.365698][ T5229] kvasprintf_const+0x120/0x2e4 [ 75.366583][ T5229] kobject_set_name_vargs+0xd8/0x1c8 [ 75.367525][ T5229] dev_set_name+0xe8/0x13c [ 75.368240][ T5229] device_add_disk+0x258/0xacc [ 75.369002][ T5229] loop_add+0x510/0x6e0 [ 75.369680][ T5229] loop_control_ioctl+0x130/0x4e0 [ 75.370470][ T5229] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.371259][ T5229] invoke_syscall+0x98/0x2b0 [ 75.372095][ T5229] el0_svc_common+0x138/0x258 [ 75.372938][ T5229] do_el0_svc+0x58/0x13c [ 75.373642][ T5229] el0_svc+0x78/0x1d0 [ 75.374325][ T5229] el0t_64_sync_handler+0xcc/0xe4 [ 75.375265][ T5229] el0t_64_sync+0x1a0/0x1a4 [ 75.388296][ T5231] FAULT_INJECTION: forcing a failure. [ 75.388296][ T5231] name failslab, interval 1, probability 0, space 0, times 0 [ 75.391101][ T5231] CPU: 1 PID: 5231 Comm: syz.0.73 Tainted: G W syzkaller #0 [ 75.392434][ T5231] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.393908][ T5231] Call trace: [ 75.394365][ T5231] dump_backtrace+0x0/0x458 [ 75.395214][ T5231] show_stack+0x2c/0x3c [ 75.395887][ T5231] __dump_stack+0x30/0x40 [ 75.396628][ T5231] dump_stack_lvl+0xf4/0x15c [ 75.397407][ T5231] dump_stack+0x1c/0x5c [ 75.398066][ T5231] should_fail+0x3bc/0x514 [ 75.398819][ T5231] __should_failslab+0xbc/0x10c [ 75.399588][ T5231] should_failslab+0x10/0x28 [ 75.400319][ T5231] slab_pre_alloc_hook+0x64/0xe8 [ 75.401065][ T5231] __kmalloc_track_caller+0x70/0x358 [ 75.401945][ T5231] kstrdup+0xe4/0x15c [ 75.402600][ T5231] kstrdup_const+0x54/0x6c [ 75.403228][ T5231] kvasprintf_const+0x120/0x2e4 [ 75.403956][ T5231] kobject_set_name_vargs+0xd8/0x1c8 [ 75.404822][ T5231] dev_set_name+0xe8/0x13c [ 75.405573][ T5231] device_add_disk+0x258/0xacc [ 75.406378][ T5231] loop_add+0x510/0x6e0 [ 75.407114][ T5231] loop_control_ioctl+0x130/0x4e0 [ 75.407944][ T5231] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.408786][ T5231] invoke_syscall+0x98/0x2b0 [ 75.409529][ T5231] el0_svc_common+0x138/0x258 [ 75.410346][ T5231] do_el0_svc+0x58/0x13c [ 75.411028][ T5231] el0_svc+0x78/0x1d0 [ 75.411612][ T5231] el0t_64_sync_handler+0xcc/0xe4 [ 75.412372][ T5231] el0t_64_sync+0x1a0/0x1a4 [ 75.424185][ T5233] FAULT_INJECTION: forcing a failure. [ 75.424185][ T5233] name failslab, interval 1, probability 0, space 0, times 0 [ 75.426435][ T5233] CPU: 1 PID: 5233 Comm: syz.0.74 Tainted: G W syzkaller #0 [ 75.427783][ T5233] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.429263][ T5233] Call trace: [ 75.429779][ T5233] dump_backtrace+0x0/0x458 [ 75.430496][ T5233] show_stack+0x2c/0x3c [ 75.431175][ T5233] __dump_stack+0x30/0x40 [ 75.431856][ T5233] dump_stack_lvl+0xf4/0x15c [ 75.432662][ T5233] dump_stack+0x1c/0x5c [ 75.433363][ T5233] should_fail+0x3bc/0x514 [ 75.434095][ T5233] __should_failslab+0xbc/0x10c [ 75.434857][ T5233] should_failslab+0x10/0x28 [ 75.435554][ T5233] slab_pre_alloc_hook+0x64/0xe8 [ 75.436347][ T5233] kmem_cache_alloc+0x94/0x3d4 [ 75.437180][ T5233] security_inode_alloc+0x38/0x11c [ 75.438054][ T5233] inode_init_always+0x670/0xa84 [ 75.438856][ T5233] new_inode_pseudo+0x7c/0x1fc [ 75.439664][ T5233] new_inode+0x38/0x174 [ 75.440341][ T5233] bdev_alloc+0x30/0x1f8 [ 75.441064][ T5233] __alloc_disk_node+0xbc/0x450 [ 75.441854][ T5233] __blk_mq_alloc_disk+0xe8/0x154 [ 75.442639][ T5233] loop_add+0x240/0x6e0 [ 75.443290][ T5233] loop_control_ioctl+0x130/0x4e0 [ 75.444129][ T5233] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.444836][ T5233] invoke_syscall+0x98/0x2b0 [ 75.445547][ T5233] el0_svc_common+0x138/0x258 [ 75.446246][ T5233] do_el0_svc+0x58/0x13c [ 75.446950][ T5233] el0_svc+0x78/0x1d0 [ 75.447550][ T5233] el0t_64_sync_handler+0xcc/0xe4 [ 75.448315][ T5233] el0t_64_sync+0x1a0/0x1a4 [ 75.458719][ T5235] FAULT_INJECTION: forcing a failure. [ 75.458719][ T5235] name failslab, interval 1, probability 0, space 0, times 0 [ 75.461728][ T5235] CPU: 0 PID: 5235 Comm: syz.0.75 Tainted: G W syzkaller #0 [ 75.463038][ T5235] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.464797][ T5235] Call trace: [ 75.465292][ T5235] dump_backtrace+0x0/0x458 [ 75.465992][ T5235] show_stack+0x2c/0x3c [ 75.466716][ T5235] __dump_stack+0x30/0x40 [ 75.467483][ T5235] dump_stack_lvl+0xf4/0x15c [ 75.468352][ T5235] dump_stack+0x1c/0x5c [ 75.469041][ T5235] should_fail+0x3bc/0x514 [ 75.469810][ T5235] __should_failslab+0xbc/0x10c [ 75.470605][ T5235] should_failslab+0x10/0x28 [ 75.471605][ T5235] slab_pre_alloc_hook+0x64/0xe8 [ 75.472463][ T5235] kmem_cache_alloc_trace+0x98/0x3ec [ 75.473350][ T5235] rand_initialize_disk+0x58/0xb8 [ 75.474233][ T5235] __alloc_disk_node+0x2a8/0x450 [ 75.475013][ T5235] __blk_mq_alloc_disk+0xe8/0x154 [ 75.475846][ T5235] loop_add+0x240/0x6e0 [ 75.476530][ T5235] loop_control_ioctl+0x130/0x4e0 [ 75.477345][ T5235] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.478153][ T5235] invoke_syscall+0x98/0x2b0 [ 75.478855][ T5235] el0_svc_common+0x138/0x258 [ 75.479563][ T5235] do_el0_svc+0x58/0x13c [ 75.480188][ T5235] el0_svc+0x78/0x1d0 [ 75.480809][ T5235] el0t_64_sync_handler+0xcc/0xe4 [ 75.481644][ T5235] el0t_64_sync+0x1a0/0x1a4 [ 75.497941][ T5237] FAULT_INJECTION: forcing a failure. [ 75.497941][ T5237] name failslab, interval 1, probability 0, space 0, times 0 [ 75.499918][ T5237] CPU: 0 PID: 5237 Comm: syz.0.76 Tainted: G W syzkaller #0 [ 75.501285][ T5237] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.503095][ T5237] Call trace: [ 75.503616][ T5237] dump_backtrace+0x0/0x458 [ 75.504392][ T5237] show_stack+0x2c/0x3c [ 75.505093][ T5237] __dump_stack+0x30/0x40 [ 75.505809][ T5237] dump_stack_lvl+0xf4/0x15c [ 75.506595][ T5237] dump_stack+0x1c/0x5c [ 75.507340][ T5237] should_fail+0x3bc/0x514 [ 75.508131][ T5237] __should_failslab+0xbc/0x10c [ 75.508958][ T5237] should_failslab+0x10/0x28 [ 75.509715][ T5237] slab_pre_alloc_hook+0x64/0xe8 [ 75.510468][ T5237] kmem_cache_alloc+0x94/0x3d4 [ 75.511196][ T5237] security_inode_alloc+0x38/0x11c [ 75.511979][ T5237] inode_init_always+0x670/0xa84 [ 75.512771][ T5237] new_inode_pseudo+0x7c/0x1fc [ 75.513510][ T5237] new_inode+0x38/0x174 [ 75.514164][ T5237] bdev_alloc+0x30/0x1f8 [ 75.514860][ T5237] __alloc_disk_node+0xbc/0x450 [ 75.515712][ T5237] __blk_mq_alloc_disk+0xe8/0x154 [ 75.516552][ T5237] loop_add+0x240/0x6e0 [ 75.517235][ T5237] loop_control_ioctl+0x130/0x4e0 [ 75.518066][ T5237] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.518887][ T5237] invoke_syscall+0x98/0x2b0 [ 75.519600][ T5237] el0_svc_common+0x138/0x258 [ 75.520375][ T5237] do_el0_svc+0x58/0x13c [ 75.521144][ T5237] el0_svc+0x78/0x1d0 [ 75.521815][ T5237] el0t_64_sync_handler+0xcc/0xe4 [ 75.522677][ T5237] el0t_64_sync+0x1a0/0x1a4 [ 75.534738][ T5240] FAULT_INJECTION: forcing a failure. [ 75.534738][ T5240] name failslab, interval 1, probability 0, space 0, times 0 [ 75.536785][ T5240] CPU: 0 PID: 5240 Comm: syz.0.77 Tainted: G W syzkaller #0 [ 75.538175][ T5240] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.539725][ T5240] Call trace: [ 75.540217][ T5240] dump_backtrace+0x0/0x458 [ 75.541049][ T5240] show_stack+0x2c/0x3c [ 75.541748][ T5240] __dump_stack+0x30/0x40 [ 75.542511][ T5240] dump_stack_lvl+0xf4/0x15c [ 75.543310][ T5240] dump_stack+0x1c/0x5c [ 75.544037][ T5240] should_fail+0x3bc/0x514 [ 75.544789][ T5240] __should_failslab+0xbc/0x10c [ 75.545573][ T5240] should_failslab+0x10/0x28 [ 75.546345][ T5240] slab_pre_alloc_hook+0x64/0xe8 [ 75.547141][ T5240] kmem_cache_alloc+0x94/0x3d4 [ 75.547943][ T5240] bdev_alloc_inode+0x24/0x60 [ 75.548726][ T5240] new_inode_pseudo+0x68/0x1fc [ 75.549509][ T5240] new_inode+0x38/0x174 [ 75.550142][ T5240] bdev_alloc+0x30/0x1f8 [ 75.550749][ T5240] __alloc_disk_node+0xbc/0x450 [ 75.551590][ T5240] __blk_mq_alloc_disk+0xe8/0x154 [ 75.552401][ T5240] loop_add+0x240/0x6e0 [ 75.553073][ T5240] loop_control_ioctl+0x130/0x4e0 [ 75.553894][ T5240] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.554747][ T5240] invoke_syscall+0x98/0x2b0 [ 75.555485][ T5240] el0_svc_common+0x138/0x258 [ 75.556210][ T5240] do_el0_svc+0x58/0x13c [ 75.556886][ T5240] el0_svc+0x78/0x1d0 [ 75.557584][ T5240] el0t_64_sync_handler+0xcc/0xe4 [ 75.558455][ T5240] el0t_64_sync+0x1a0/0x1a4 [ 75.569431][ T5242] FAULT_INJECTION: forcing a failure. [ 75.569431][ T5242] name failslab, interval 1, probability 0, space 0, times 0 [ 75.571450][ T5242] CPU: 0 PID: 5242 Comm: syz.0.78 Tainted: G W syzkaller #0 [ 75.572920][ T5242] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.574483][ T5242] Call trace: [ 75.574983][ T5242] dump_backtrace+0x0/0x458 [ 75.575794][ T5242] show_stack+0x2c/0x3c [ 75.576522][ T5242] __dump_stack+0x30/0x40 [ 75.577318][ T5242] dump_stack_lvl+0xf4/0x15c [ 75.578037][ T5242] dump_stack+0x1c/0x5c [ 75.578755][ T5242] should_fail+0x3bc/0x514 [ 75.579539][ T5242] __should_failslab+0xbc/0x10c [ 75.580315][ T5242] should_failslab+0x10/0x28 [ 75.581079][ T5242] slab_pre_alloc_hook+0x64/0xe8 [ 75.581955][ T5242] kmem_cache_alloc+0x94/0x3d4 [ 75.582767][ T5242] security_inode_alloc+0x38/0x11c [ 75.583652][ T5242] inode_init_always+0x670/0xa84 [ 75.584511][ T5242] new_inode_pseudo+0x7c/0x1fc [ 75.585293][ T5242] new_inode+0x38/0x174 [ 75.585999][ T5242] bdev_alloc+0x30/0x1f8 [ 75.586686][ T5242] __alloc_disk_node+0xbc/0x450 [ 75.587457][ T5242] __blk_mq_alloc_disk+0xe8/0x154 [ 75.588307][ T5242] loop_add+0x240/0x6e0 [ 75.589037][ T5242] loop_control_ioctl+0x130/0x4e0 [ 75.589890][ T5242] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.590752][ T5242] invoke_syscall+0x98/0x2b0 [ 75.591539][ T5242] el0_svc_common+0x138/0x258 [ 75.592330][ T5242] do_el0_svc+0x58/0x13c [ 75.593040][ T5242] el0_svc+0x78/0x1d0 [ 75.593655][ T5242] el0t_64_sync_handler+0xcc/0xe4 [ 75.594468][ T5242] el0t_64_sync+0x1a0/0x1a4 [ 75.606402][ T5244] FAULT_INJECTION: forcing a failure. [ 75.606402][ T5244] name failslab, interval 1, probability 0, space 0, times 0 [ 75.608456][ T5244] CPU: 1 PID: 5244 Comm: syz.0.79 Tainted: G W syzkaller #0 [ 75.609955][ T5244] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.611609][ T5244] Call trace: [ 75.612174][ T5244] dump_backtrace+0x0/0x458 [ 75.612856][ T5244] show_stack+0x2c/0x3c [ 75.613487][ T5244] __dump_stack+0x30/0x40 [ 75.614130][ T5244] dump_stack_lvl+0xf4/0x15c [ 75.614824][ T5244] dump_stack+0x1c/0x5c [ 75.615434][ T5244] should_fail+0x3bc/0x514 [ 75.616206][ T5244] __should_failslab+0xbc/0x10c [ 75.617036][ T5244] should_failslab+0x10/0x28 [ 75.617786][ T5244] slab_pre_alloc_hook+0x64/0xe8 [ 75.618590][ T5244] kmem_cache_alloc+0x94/0x3d4 [ 75.619395][ T5244] security_inode_alloc+0x38/0x11c [ 75.620211][ T5244] inode_init_always+0x670/0xa84 [ 75.621081][ T5244] new_inode_pseudo+0x7c/0x1fc [ 75.621883][ T5244] new_inode+0x38/0x174 [ 75.622610][ T5244] bdev_alloc+0x30/0x1f8 [ 75.623318][ T5244] __alloc_disk_node+0xbc/0x450 [ 75.624154][ T5244] __blk_mq_alloc_disk+0xe8/0x154 [ 75.625051][ T5244] loop_add+0x240/0x6e0 [ 75.625744][ T5244] loop_control_ioctl+0x130/0x4e0 [ 75.626615][ T5244] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.627481][ T5244] invoke_syscall+0x98/0x2b0 [ 75.628268][ T5244] el0_svc_common+0x138/0x258 [ 75.629056][ T5244] do_el0_svc+0x58/0x13c [ 75.629824][ T5244] el0_svc+0x78/0x1d0 [ 75.630516][ T5244] el0t_64_sync_handler+0xcc/0xe4 [ 75.631379][ T5244] el0t_64_sync+0x1a0/0x1a4 [ 75.641565][ T5246] FAULT_INJECTION: forcing a failure. [ 75.641565][ T5246] name failslab, interval 1, probability 0, space 0, times 0 [ 75.643571][ T5246] CPU: 1 PID: 5246 Comm: syz.0.80 Tainted: G W syzkaller #0 [ 75.644986][ T5246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.646622][ T5246] Call trace: [ 75.647159][ T5246] dump_backtrace+0x0/0x458 [ 75.647988][ T5246] show_stack+0x2c/0x3c [ 75.648660][ T5246] __dump_stack+0x30/0x40 [ 75.649356][ T5246] dump_stack_lvl+0xf4/0x15c [ 75.650106][ T5246] dump_stack+0x1c/0x5c [ 75.650783][ T5246] should_fail+0x3bc/0x514 [ 75.651506][ T5246] __should_failslab+0xbc/0x10c [ 75.652326][ T5246] should_failslab+0x10/0x28 [ 75.653170][ T5246] slab_pre_alloc_hook+0x64/0xe8 [ 75.653970][ T5246] kmem_cache_alloc+0x94/0x3d4 [ 75.654836][ T5246] security_inode_alloc+0x38/0x11c [ 75.655709][ T5246] inode_init_always+0x670/0xa84 [ 75.656575][ T5246] new_inode_pseudo+0x7c/0x1fc [ 75.657339][ T5246] new_inode+0x38/0x174 [ 75.658023][ T5246] bdev_alloc+0x30/0x1f8 [ 75.658662][ T5246] __alloc_disk_node+0xbc/0x450 [ 75.659411][ T5246] __blk_mq_alloc_disk+0xe8/0x154 [ 75.660223][ T5246] loop_add+0x240/0x6e0 [ 75.660875][ T5246] loop_control_ioctl+0x130/0x4e0 [ 75.661663][ T5246] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.662521][ T5246] invoke_syscall+0x98/0x2b0 [ 75.663286][ T5246] el0_svc_common+0x138/0x258 [ 75.664089][ T5246] do_el0_svc+0x58/0x13c [ 75.664853][ T5246] el0_svc+0x78/0x1d0 [ 75.665528][ T5246] el0t_64_sync_handler+0xcc/0xe4 [ 75.666292][ T5246] el0t_64_sync+0x1a0/0x1a4 [ 75.676347][ T5248] FAULT_INJECTION: forcing a failure. [ 75.676347][ T5248] name failslab, interval 1, probability 0, space 0, times 0 [ 75.678301][ T5248] CPU: 1 PID: 5248 Comm: syz.0.81 Tainted: G W syzkaller #0 [ 75.679725][ T5248] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.681390][ T5248] Call trace: [ 75.681904][ T5248] dump_backtrace+0x0/0x458 [ 75.682647][ T5248] show_stack+0x2c/0x3c [ 75.683359][ T5248] __dump_stack+0x30/0x40 [ 75.684071][ T5248] dump_stack_lvl+0xf4/0x15c [ 75.684839][ T5248] dump_stack+0x1c/0x5c [ 75.685539][ T5248] should_fail+0x3bc/0x514 [ 75.686253][ T5248] __should_failslab+0xbc/0x10c [ 75.686909][ T5248] should_failslab+0x10/0x28 [ 75.687719][ T5248] slab_pre_alloc_hook+0x64/0xe8 [ 75.688477][ T5248] kmem_cache_alloc+0x94/0x3d4 [ 75.689325][ T5248] security_inode_alloc+0x38/0x11c [ 75.690137][ T5248] inode_init_always+0x670/0xa84 [ 75.690891][ T5248] new_inode_pseudo+0x7c/0x1fc [ 75.691653][ T5248] new_inode+0x38/0x174 [ 75.692280][ T5248] bdev_alloc+0x30/0x1f8 [ 75.692912][ T5248] __alloc_disk_node+0xbc/0x450 [ 75.693617][ T5248] __blk_mq_alloc_disk+0xe8/0x154 [ 75.694385][ T5248] loop_add+0x240/0x6e0 [ 75.695018][ T5248] loop_control_ioctl+0x130/0x4e0 [ 75.695785][ T5248] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.696584][ T5248] invoke_syscall+0x98/0x2b0 [ 75.697388][ T5248] el0_svc_common+0x138/0x258 [ 75.698137][ T5248] do_el0_svc+0x58/0x13c [ 75.698814][ T5248] el0_svc+0x78/0x1d0 [ 75.699428][ T5248] el0t_64_sync_handler+0xcc/0xe4 [ 75.700239][ T5248] el0t_64_sync+0x1a0/0x1a4 [ 75.709608][ T5250] FAULT_INJECTION: forcing a failure. [ 75.709608][ T5250] name failslab, interval 1, probability 0, space 0, times 0 [ 75.713747][ T5250] CPU: 1 PID: 5250 Comm: syz.0.82 Tainted: G W syzkaller #0 [ 75.715102][ T5250] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.716700][ T5250] Call trace: [ 75.717207][ T5250] dump_backtrace+0x0/0x458 [ 75.717908][ T5250] show_stack+0x2c/0x3c [ 75.718539][ T5250] __dump_stack+0x30/0x40 [ 75.719260][ T5250] dump_stack_lvl+0xf4/0x15c [ 75.719950][ T5250] dump_stack+0x1c/0x5c [ 75.720571][ T5250] should_fail+0x3bc/0x514 [ 75.721296][ T5250] __should_failslab+0xbc/0x10c [ 75.722099][ T5250] should_failslab+0x10/0x28 [ 75.722841][ T5250] slab_pre_alloc_hook+0x64/0xe8 [ 75.723630][ T5250] kmem_cache_alloc+0x94/0x3d4 [ 75.724400][ T5250] security_inode_alloc+0x38/0x11c [ 75.725213][ T5250] inode_init_always+0x670/0xa84 [ 75.726054][ T5250] new_inode_pseudo+0x7c/0x1fc [ 75.726827][ T5250] new_inode+0x38/0x174 [ 75.727510][ T5250] bdev_alloc+0x30/0x1f8 [ 75.728194][ T5250] __alloc_disk_node+0xbc/0x450 [ 75.728997][ T5250] __blk_mq_alloc_disk+0xe8/0x154 [ 75.729780][ T5250] loop_add+0x240/0x6e0 [ 75.730532][ T5250] loop_control_ioctl+0x130/0x4e0 [ 75.731321][ T5250] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.732226][ T5250] invoke_syscall+0x98/0x2b0 [ 75.733063][ T5250] el0_svc_common+0x138/0x258 [ 75.733859][ T5250] do_el0_svc+0x58/0x13c [ 75.734598][ T5250] el0_svc+0x78/0x1d0 [ 75.735216][ T5250] el0t_64_sync_handler+0xcc/0xe4 [ 75.735993][ T5250] el0t_64_sync+0x1a0/0x1a4 [ 75.748918][ T5252] FAULT_INJECTION: forcing a failure. [ 75.748918][ T5252] name failslab, interval 1, probability 0, space 0, times 0 [ 75.753496][ T5252] CPU: 1 PID: 5252 Comm: syz.0.83 Tainted: G W syzkaller #0 [ 75.754839][ T5252] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.756529][ T5252] Call trace: [ 75.757076][ T5252] dump_backtrace+0x0/0x458 [ 75.757854][ T5252] show_stack+0x2c/0x3c [ 75.758584][ T5252] __dump_stack+0x30/0x40 [ 75.759230][ T5252] dump_stack_lvl+0xf4/0x15c [ 75.759969][ T5252] dump_stack+0x1c/0x5c [ 75.760653][ T5252] should_fail+0x3bc/0x514 [ 75.761323][ T5252] __should_failslab+0xbc/0x10c [ 75.762142][ T5252] should_failslab+0x10/0x28 [ 75.762926][ T5252] slab_pre_alloc_hook+0x64/0xe8 [ 75.763783][ T5252] kmem_cache_alloc+0x94/0x3d4 [ 75.764565][ T5252] security_inode_alloc+0x38/0x11c [ 75.765394][ T5252] inode_init_always+0x670/0xa84 [ 75.766172][ T5252] new_inode_pseudo+0x7c/0x1fc [ 75.766977][ T5252] new_inode+0x38/0x174 [ 75.767749][ T5252] bdev_alloc+0x30/0x1f8 [ 75.768447][ T5252] __alloc_disk_node+0xbc/0x450 [ 75.769296][ T5252] __blk_mq_alloc_disk+0xe8/0x154 [ 75.770109][ T5252] loop_add+0x240/0x6e0 [ 75.770826][ T5252] loop_control_ioctl+0x130/0x4e0 [ 75.771689][ T5252] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.772503][ T5252] invoke_syscall+0x98/0x2b0 [ 75.773244][ T5252] el0_svc_common+0x138/0x258 [ 75.774077][ T5252] do_el0_svc+0x58/0x13c [ 75.774828][ T5252] el0_svc+0x78/0x1d0 [ 75.775593][ T5252] el0t_64_sync_handler+0xcc/0xe4 [ 75.776413][ T5252] el0t_64_sync+0x1a0/0x1a4 [ 75.787460][ T5254] FAULT_INJECTION: forcing a failure. [ 75.787460][ T5254] name failslab, interval 1, probability 0, space 0, times 0 [ 75.789492][ T5254] CPU: 0 PID: 5254 Comm: syz.0.84 Tainted: G W syzkaller #0 [ 75.790875][ T5254] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.792581][ T5254] Call trace: [ 75.793148][ T5254] dump_backtrace+0x0/0x458 [ 75.793945][ T5254] show_stack+0x2c/0x3c [ 75.794619][ T5254] __dump_stack+0x30/0x40 [ 75.795346][ T5254] dump_stack_lvl+0xf4/0x15c [ 75.796101][ T5254] dump_stack+0x1c/0x5c [ 75.796785][ T5254] should_fail+0x3bc/0x514 [ 75.797518][ T5254] __should_failslab+0xbc/0x10c [ 75.798340][ T5254] should_failslab+0x10/0x28 [ 75.799185][ T5254] slab_pre_alloc_hook+0x64/0xe8 [ 75.800015][ T5254] kmem_cache_alloc+0x94/0x3d4 [ 75.800824][ T5254] security_inode_alloc+0x38/0x11c [ 75.801671][ T5254] inode_init_always+0x670/0xa84 [ 75.802485][ T5254] new_inode_pseudo+0x7c/0x1fc [ 75.803287][ T5254] new_inode+0x38/0x174 [ 75.803939][ T5254] bdev_alloc+0x30/0x1f8 [ 75.804609][ T5254] __alloc_disk_node+0xbc/0x450 [ 75.805418][ T5254] __blk_mq_alloc_disk+0xe8/0x154 [ 75.806202][ T5254] loop_add+0x240/0x6e0 [ 75.806998][ T5254] loop_control_ioctl+0x130/0x4e0 [ 75.807872][ T5254] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.808739][ T5254] invoke_syscall+0x98/0x2b0 [ 75.809545][ T5254] el0_svc_common+0x138/0x258 [ 75.810295][ T5254] do_el0_svc+0x58/0x13c [ 75.811020][ T5254] el0_svc+0x78/0x1d0 [ 75.811689][ T5254] el0t_64_sync_handler+0xcc/0xe4 [ 75.812560][ T5254] el0t_64_sync+0x1a0/0x1a4 [ 75.823237][ T5256] FAULT_INJECTION: forcing a failure. [ 75.823237][ T5256] name failslab, interval 1, probability 0, space 0, times 0 [ 75.825383][ T5256] CPU: 0 PID: 5256 Comm: syz.0.85 Tainted: G W syzkaller #0 [ 75.826842][ T5256] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.828458][ T5256] Call trace: [ 75.828999][ T5256] dump_backtrace+0x0/0x458 [ 75.829823][ T5256] show_stack+0x2c/0x3c [ 75.830524][ T5256] __dump_stack+0x30/0x40 [ 75.831283][ T5256] dump_stack_lvl+0xf4/0x15c [ 75.832072][ T5256] dump_stack+0x1c/0x5c [ 75.832760][ T5256] should_fail+0x3bc/0x514 [ 75.833459][ T5256] __should_failslab+0xbc/0x10c [ 75.834280][ T5256] should_failslab+0x10/0x28 [ 75.835021][ T5256] slab_pre_alloc_hook+0x64/0xe8 [ 75.835807][ T5256] kmem_cache_alloc+0x94/0x3d4 [ 75.836583][ T5256] security_inode_alloc+0x38/0x11c [ 75.837459][ T5256] inode_init_always+0x670/0xa84 [ 75.838286][ T5256] new_inode_pseudo+0x7c/0x1fc [ 75.839062][ T5256] new_inode+0x38/0x174 [ 75.839717][ T5256] bdev_alloc+0x30/0x1f8 [ 75.840376][ T5256] __alloc_disk_node+0xbc/0x450 [ 75.841166][ T5256] __blk_mq_alloc_disk+0xe8/0x154 [ 75.841983][ T5256] loop_add+0x240/0x6e0 [ 75.842642][ T5256] loop_control_ioctl+0x130/0x4e0 [ 75.843485][ T5256] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.844297][ T5256] invoke_syscall+0x98/0x2b0 [ 75.845082][ T5256] el0_svc_common+0x138/0x258 [ 75.845815][ T5256] do_el0_svc+0x58/0x13c [ 75.846539][ T5256] el0_svc+0x78/0x1d0 [ 75.847207][ T5256] el0t_64_sync_handler+0xcc/0xe4 [ 75.848069][ T5256] el0t_64_sync+0x1a0/0x1a4 [ 75.858011][ T5258] FAULT_INJECTION: forcing a failure. [ 75.858011][ T5258] name failslab, interval 1, probability 0, space 0, times 0 [ 75.859923][ T5258] CPU: 0 PID: 5258 Comm: syz.0.86 Tainted: G W syzkaller #0 [ 75.861339][ T5258] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.863068][ T5258] Call trace: [ 75.863609][ T5258] dump_backtrace+0x0/0x458 [ 75.864383][ T5258] show_stack+0x2c/0x3c [ 75.865136][ T5258] __dump_stack+0x30/0x40 [ 75.865876][ T5258] dump_stack_lvl+0xf4/0x15c [ 75.866702][ T5258] dump_stack+0x1c/0x5c [ 75.867417][ T5258] should_fail+0x3bc/0x514 [ 75.868213][ T5258] __should_failslab+0xbc/0x10c [ 75.869009][ T5258] should_failslab+0x10/0x28 [ 75.869751][ T5258] slab_pre_alloc_hook+0x64/0xe8 [ 75.870526][ T5258] kmem_cache_alloc_node_trace+0x9c/0x424 [ 75.871476][ T5258] bdi_alloc+0x5c/0x144 [ 75.872135][ T5258] __alloc_disk_node+0x8c/0x450 [ 75.872870][ T5258] __blk_mq_alloc_disk+0xe8/0x154 [ 75.873658][ T5258] loop_add+0x240/0x6e0 [ 75.874324][ T5258] loop_control_ioctl+0x130/0x4e0 [ 75.875170][ T5258] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.876041][ T5258] invoke_syscall+0x98/0x2b0 [ 75.876800][ T5258] el0_svc_common+0x138/0x258 [ 75.877621][ T5258] do_el0_svc+0x58/0x13c [ 75.878321][ T5258] el0_svc+0x78/0x1d0 [ 75.878964][ T5258] el0t_64_sync_handler+0xcc/0xe4 [ 75.879818][ T5258] el0t_64_sync+0x1a0/0x1a4 [ 75.890082][ T5260] FAULT_INJECTION: forcing a failure. [ 75.890082][ T5260] name failslab, interval 1, probability 0, space 0, times 0 [ 75.893346][ T5260] CPU: 0 PID: 5260 Comm: syz.0.87 Tainted: G W syzkaller #0 [ 75.894708][ T5260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.896447][ T5260] Call trace: [ 75.896948][ T5260] dump_backtrace+0x0/0x458 [ 75.897645][ T5260] show_stack+0x2c/0x3c [ 75.898293][ T5260] __dump_stack+0x30/0x40 [ 75.898941][ T5260] dump_stack_lvl+0xf4/0x15c [ 75.899953][ T5260] dump_stack+0x1c/0x5c [ 75.900632][ T5260] should_fail+0x3bc/0x514 [ 75.901337][ T5260] __should_failslab+0xbc/0x10c [ 75.902146][ T5260] should_failslab+0x10/0x28 [ 75.902983][ T5260] slab_pre_alloc_hook+0x64/0xe8 [ 75.903901][ T5260] kmem_cache_alloc+0x94/0x3d4 [ 75.904753][ T5260] security_inode_alloc+0x38/0x11c [ 75.905673][ T5260] inode_init_always+0x670/0xa84 [ 75.906488][ T5260] new_inode_pseudo+0x7c/0x1fc [ 75.907259][ T5260] new_inode+0x38/0x174 [ 75.907967][ T5260] bdev_alloc+0x30/0x1f8 [ 75.908677][ T5260] __alloc_disk_node+0xbc/0x450 [ 75.909416][ T5260] __blk_mq_alloc_disk+0xe8/0x154 [ 75.910296][ T5260] loop_add+0x240/0x6e0 [ 75.911029][ T5260] loop_control_ioctl+0x130/0x4e0 [ 75.911790][ T5260] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.912617][ T5260] invoke_syscall+0x98/0x2b0 [ 75.913357][ T5260] el0_svc_common+0x138/0x258 [ 75.914105][ T5260] do_el0_svc+0x58/0x13c [ 75.914796][ T5260] el0_svc+0x78/0x1d0 [ 75.915482][ T5260] el0t_64_sync_handler+0xcc/0xe4 [ 75.916338][ T5260] el0t_64_sync+0x1a0/0x1a4 [ 75.925660][ T5262] FAULT_INJECTION: forcing a failure. [ 75.925660][ T5262] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 75.927754][ T5262] CPU: 1 PID: 5262 Comm: syz.0.88 Tainted: G W syzkaller #0 [ 75.929119][ T5262] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.930763][ T5262] Call trace: [ 75.931293][ T5262] dump_backtrace+0x0/0x458 [ 75.932060][ T5262] show_stack+0x2c/0x3c [ 75.932715][ T5262] __dump_stack+0x30/0x40 [ 75.933400][ T5262] dump_stack_lvl+0xf4/0x15c [ 75.934172][ T5262] dump_stack+0x1c/0x5c [ 75.934799][ T5262] should_fail+0x3bc/0x514 [ 75.935562][ T5262] should_fail_alloc_page+0x74/0xa8 [ 75.936378][ T5262] prepare_alloc_pages+0x160/0x45c [ 75.937186][ T5262] __alloc_pages+0x108/0x470 [ 75.937937][ T5262] alloc_pages+0x34c/0x5c0 [ 75.938617][ T5262] new_slab+0xe0/0x544 [ 75.939298][ T5262] ___slab_alloc+0x6b4/0xd8c [ 75.940052][ T5262] __slab_alloc+0x68/0xc0 [ 75.940770][ T5262] kmem_cache_alloc_node_trace+0x2dc/0x424 [ 75.941660][ T5262] bdi_alloc+0x5c/0x144 [ 75.942401][ T5262] __alloc_disk_node+0x8c/0x450 [ 75.943186][ T5262] __blk_mq_alloc_disk+0xe8/0x154 [ 75.944055][ T5262] loop_add+0x240/0x6e0 [ 75.944803][ T5262] loop_control_ioctl+0x130/0x4e0 [ 75.945715][ T5262] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.946595][ T5262] invoke_syscall+0x98/0x2b0 [ 75.947425][ T5262] el0_svc_common+0x138/0x258 [ 75.948176][ T5262] do_el0_svc+0x58/0x13c [ 75.948890][ T5262] el0_svc+0x78/0x1d0 [ 75.949532][ T5262] el0t_64_sync_handler+0xcc/0xe4 [ 75.950375][ T5262] el0t_64_sync+0x1a0/0x1a4 [ 75.960533][ T7] Bluetooth: hci0: command 0x041b tx timeout [ 75.967844][ T5264] FAULT_INJECTION: forcing a failure. [ 75.967844][ T5264] name failslab, interval 1, probability 0, space 0, times 0 [ 75.969886][ T5264] CPU: 0 PID: 5264 Comm: syz.0.89 Tainted: G W syzkaller #0 [ 75.971352][ T5264] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 75.973087][ T5264] Call trace: [ 75.973689][ T5264] dump_backtrace+0x0/0x458 [ 75.974454][ T5264] show_stack+0x2c/0x3c [ 75.975154][ T5264] __dump_stack+0x30/0x40 [ 75.975920][ T5264] dump_stack_lvl+0xf4/0x15c [ 75.976706][ T5264] dump_stack+0x1c/0x5c [ 75.977418][ T5264] should_fail+0x3bc/0x514 [ 75.978277][ T5264] __should_failslab+0xbc/0x10c [ 75.979150][ T5264] should_failslab+0x10/0x28 [ 75.979886][ T5264] slab_pre_alloc_hook+0x64/0xe8 [ 75.980727][ T5264] kmem_cache_alloc+0x94/0x3d4 [ 75.981552][ T5264] security_inode_alloc+0x38/0x11c [ 75.982496][ T5264] inode_init_always+0x670/0xa84 [ 75.983324][ T5264] new_inode_pseudo+0x7c/0x1fc [ 75.984170][ T5264] new_inode+0x38/0x174 [ 75.984848][ T5264] bdev_alloc+0x30/0x1f8 [ 75.985564][ T5264] __alloc_disk_node+0xbc/0x450 [ 75.986429][ T5264] __blk_mq_alloc_disk+0xe8/0x154 [ 75.987347][ T5264] loop_add+0x240/0x6e0 [ 75.988064][ T5264] loop_control_ioctl+0x130/0x4e0 [ 75.988905][ T5264] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.989675][ T5264] invoke_syscall+0x98/0x2b0 [ 75.990404][ T5264] el0_svc_common+0x138/0x258 [ 75.991267][ T5264] do_el0_svc+0x58/0x13c [ 75.992052][ T5264] el0_svc+0x78/0x1d0 [ 75.992710][ T5264] el0t_64_sync_handler+0xcc/0xe4 [ 75.993482][ T5264] el0t_64_sync+0x1a0/0x1a4 [ 76.017373][ T5266] FAULT_INJECTION: forcing a failure. [ 76.017373][ T5266] name failslab, interval 1, probability 0, space 0, times 0 [ 76.019353][ T5266] CPU: 1 PID: 5266 Comm: syz.0.90 Tainted: G W syzkaller #0 [ 76.020748][ T5266] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.022317][ T5266] Call trace: [ 76.022854][ T5266] dump_backtrace+0x0/0x458 [ 76.023613][ T5266] show_stack+0x2c/0x3c [ 76.024314][ T5266] __dump_stack+0x30/0x40 [ 76.024997][ T5266] dump_stack_lvl+0xf4/0x15c [ 76.025728][ T5266] dump_stack+0x1c/0x5c [ 76.026371][ T5266] should_fail+0x3bc/0x514 [ 76.027057][ T5266] __should_failslab+0xbc/0x10c [ 76.027873][ T5266] should_failslab+0x10/0x28 [ 76.028646][ T5266] slab_pre_alloc_hook+0x64/0xe8 [ 76.029505][ T5266] __kmalloc_track_caller+0x70/0x358 [ 76.030374][ T5266] kstrdup+0xe4/0x15c [ 76.031023][ T5266] kstrdup_const+0x54/0x6c [ 76.031744][ T5266] kvasprintf_const+0x120/0x2e4 [ 76.032534][ T5266] kobject_set_name_vargs+0xd8/0x1c8 [ 76.033371][ T5266] dev_set_name+0xe8/0x13c [ 76.034103][ T5266] device_add_disk+0x258/0xacc [ 76.034892][ T5266] loop_add+0x510/0x6e0 [ 76.035611][ T5266] loop_control_ioctl+0x130/0x4e0 [ 76.036395][ T5266] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.037219][ T5266] invoke_syscall+0x98/0x2b0 [ 76.037988][ T5266] el0_svc_common+0x138/0x258 [ 76.038733][ T5266] do_el0_svc+0x58/0x13c [ 76.039457][ T5266] el0_svc+0x78/0x1d0 [ 76.040089][ T5266] el0t_64_sync_handler+0xcc/0xe4 [ 76.040893][ T5266] el0t_64_sync+0x1a0/0x1a4 [ 76.054575][ T5268] FAULT_INJECTION: forcing a failure. [ 76.054575][ T5268] name failslab, interval 1, probability 0, space 0, times 0 [ 76.056633][ T5268] CPU: 0 PID: 5268 Comm: syz.0.91 Tainted: G W syzkaller #0 [ 76.057998][ T5268] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.059568][ T5268] Call trace: [ 76.060060][ T5268] dump_backtrace+0x0/0x458 [ 76.060804][ T5268] show_stack+0x2c/0x3c [ 76.061461][ T5268] __dump_stack+0x30/0x40 [ 76.062166][ T5268] dump_stack_lvl+0xf4/0x15c [ 76.062922][ T5268] dump_stack+0x1c/0x5c [ 76.063574][ T5268] should_fail+0x3bc/0x514 [ 76.064291][ T5268] __should_failslab+0xbc/0x10c [ 76.065152][ T5268] should_failslab+0x10/0x28 [ 76.065901][ T5268] slab_pre_alloc_hook+0x64/0xe8 [ 76.066713][ T5268] kmem_cache_alloc+0x94/0x3d4 [ 76.067492][ T5268] security_inode_alloc+0x38/0x11c [ 76.068282][ T5268] inode_init_always+0x670/0xa84 [ 76.069084][ T5268] new_inode_pseudo+0x7c/0x1fc [ 76.069847][ T5268] new_inode+0x38/0x174 [ 76.070526][ T5268] bdev_alloc+0x30/0x1f8 [ 76.071213][ T5268] __alloc_disk_node+0xbc/0x450 [ 76.072065][ T5268] __blk_mq_alloc_disk+0xe8/0x154 [ 76.072922][ T5268] loop_add+0x240/0x6e0 [ 76.073644][ T5268] loop_control_ioctl+0x130/0x4e0 [ 76.074452][ T5268] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.075236][ T5268] invoke_syscall+0x98/0x2b0 [ 76.075995][ T5268] el0_svc_common+0x138/0x258 [ 76.076810][ T5268] do_el0_svc+0x58/0x13c [ 76.077501][ T5268] el0_svc+0x78/0x1d0 [ 76.078162][ T5268] el0t_64_sync_handler+0xcc/0xe4 [ 76.078993][ T5268] el0t_64_sync+0x1a0/0x1a4 [ 76.091158][ T5270] FAULT_INJECTION: forcing a failure. [ 76.091158][ T5270] name failslab, interval 1, probability 0, space 0, times 0 [ 76.093180][ T5270] CPU: 0 PID: 5270 Comm: syz.0.92 Tainted: G W syzkaller #0 [ 76.094537][ T5270] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.096086][ T5270] Call trace: [ 76.096659][ T5270] dump_backtrace+0x0/0x458 [ 76.097419][ T5270] show_stack+0x2c/0x3c [ 76.098080][ T5270] __dump_stack+0x30/0x40 [ 76.098900][ T5270] dump_stack_lvl+0xf4/0x15c [ 76.099712][ T5270] dump_stack+0x1c/0x5c [ 76.100461][ T5270] should_fail+0x3bc/0x514 [ 76.101253][ T5270] __should_failslab+0xbc/0x10c [ 76.102077][ T5270] should_failslab+0x10/0x28 [ 76.102827][ T5270] slab_pre_alloc_hook+0x64/0xe8 [ 76.103658][ T5270] kmem_cache_alloc_trace+0x98/0x3ec [ 76.104532][ T5270] rand_initialize_disk+0x58/0xb8 [ 76.105397][ T5270] __alloc_disk_node+0x2a8/0x450 [ 76.106255][ T5270] __blk_mq_alloc_disk+0xe8/0x154 [ 76.107077][ T5270] loop_add+0x240/0x6e0 [ 76.107733][ T5270] loop_control_ioctl+0x130/0x4e0 [ 76.108551][ T5270] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.109414][ T5270] invoke_syscall+0x98/0x2b0 [ 76.110214][ T5270] el0_svc_common+0x138/0x258 [ 76.111054][ T5270] do_el0_svc+0x58/0x13c [ 76.111762][ T5270] el0_svc+0x78/0x1d0 [ 76.112426][ T5270] el0t_64_sync_handler+0xcc/0xe4 [ 76.113224][ T5270] el0t_64_sync+0x1a0/0x1a4 [ 76.127280][ T5272] FAULT_INJECTION: forcing a failure. [ 76.127280][ T5272] name failslab, interval 1, probability 0, space 0, times 0 [ 76.129397][ T5272] CPU: 1 PID: 5272 Comm: syz.0.93 Tainted: G W syzkaller #0 [ 76.130839][ T5272] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.132562][ T5272] Call trace: [ 76.133122][ T5272] dump_backtrace+0x0/0x458 [ 76.133868][ T5272] show_stack+0x2c/0x3c [ 76.134588][ T5272] __dump_stack+0x30/0x40 [ 76.135256][ T5272] dump_stack_lvl+0xf4/0x15c [ 76.135932][ T5272] dump_stack+0x1c/0x5c [ 76.136569][ T5272] should_fail+0x3bc/0x514 [ 76.137252][ T5272] __should_failslab+0xbc/0x10c [ 76.138131][ T5272] should_failslab+0x10/0x28 [ 76.138894][ T5272] slab_pre_alloc_hook+0x64/0xe8 [ 76.139693][ T5272] kmem_cache_alloc_trace+0x98/0x3ec [ 76.140570][ T5272] rand_initialize_disk+0x58/0xb8 [ 76.141361][ T5272] __alloc_disk_node+0x2a8/0x450 [ 76.142135][ T5272] __blk_mq_alloc_disk+0xe8/0x154 [ 76.142961][ T5272] loop_add+0x240/0x6e0 [ 76.143628][ T5272] loop_control_ioctl+0x130/0x4e0 [ 76.144442][ T5272] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.145203][ T5272] invoke_syscall+0x98/0x2b0 [ 76.145894][ T5272] el0_svc_common+0x138/0x258 [ 76.146620][ T5272] do_el0_svc+0x58/0x13c [ 76.147292][ T5272] el0_svc+0x78/0x1d0 [ 76.147988][ T5272] el0t_64_sync_handler+0xcc/0xe4 [ 76.148769][ T5272] el0t_64_sync+0x1a0/0x1a4 [ 76.161288][ T5274] FAULT_INJECTION: forcing a failure. [ 76.161288][ T5274] name failslab, interval 1, probability 0, space 0, times 0 [ 76.163341][ T5274] CPU: 1 PID: 5274 Comm: syz.0.94 Tainted: G W syzkaller #0 [ 76.164717][ T5274] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.166419][ T5274] Call trace: [ 76.166948][ T5274] dump_backtrace+0x0/0x458 [ 76.167716][ T5274] show_stack+0x2c/0x3c [ 76.168416][ T5274] __dump_stack+0x30/0x40 [ 76.169163][ T5274] dump_stack_lvl+0xf4/0x15c [ 76.169958][ T5274] dump_stack+0x1c/0x5c [ 76.170658][ T5274] should_fail+0x3bc/0x514 [ 76.171412][ T5274] __should_failslab+0xbc/0x10c [ 76.172163][ T5274] should_failslab+0x10/0x28 [ 76.172963][ T5274] slab_pre_alloc_hook+0x64/0xe8 [ 76.173652][ T5274] __kmalloc_track_caller+0x70/0x358 [ 76.174477][ T5274] kstrdup+0xe4/0x15c [ 76.175118][ T5274] kstrdup_const+0x54/0x6c [ 76.175829][ T5274] kvasprintf_const+0x120/0x2e4 [ 76.176604][ T5274] kobject_set_name_vargs+0xd8/0x1c8 [ 76.177471][ T5274] dev_set_name+0xe8/0x13c [ 76.178173][ T5274] device_add_disk+0x258/0xacc [ 76.178918][ T5274] loop_add+0x510/0x6e0 [ 76.179625][ T5274] loop_control_ioctl+0x130/0x4e0 [ 76.180453][ T5274] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.181272][ T5274] invoke_syscall+0x98/0x2b0 [ 76.182011][ T5274] el0_svc_common+0x138/0x258 [ 76.182789][ T5274] do_el0_svc+0x58/0x13c [ 76.183459][ T5274] el0_svc+0x78/0x1d0 [ 76.184076][ T5274] el0t_64_sync_handler+0xcc/0xe4 [ 76.184884][ T5274] el0t_64_sync+0x1a0/0x1a4 [ 76.206751][ T5276] FAULT_INJECTION: forcing a failure. [ 76.206751][ T5276] name failslab, interval 1, probability 0, space 0, times 0 [ 76.208886][ T5276] CPU: 0 PID: 5276 Comm: syz.0.95 Tainted: G W syzkaller #0 [ 76.210236][ T5276] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.211800][ T5276] Call trace: [ 76.212323][ T5276] dump_backtrace+0x0/0x458 [ 76.213028][ T5276] show_stack+0x2c/0x3c [ 76.213672][ T5276] __dump_stack+0x30/0x40 [ 76.214417][ T5276] dump_stack_lvl+0xf4/0x15c [ 76.215162][ T5276] dump_stack+0x1c/0x5c [ 76.215806][ T5276] should_fail+0x3bc/0x514 [ 76.216564][ T5276] __should_failslab+0xbc/0x10c [ 76.217346][ T5276] should_failslab+0x10/0x28 [ 76.218074][ T5276] slab_pre_alloc_hook+0x64/0xe8 [ 76.218955][ T5276] __kmalloc_track_caller+0x70/0x358 [ 76.219793][ T5276] kstrdup+0xe4/0x15c [ 76.220422][ T5276] kstrdup_const+0x54/0x6c [ 76.221208][ T5276] kvasprintf_const+0x120/0x2e4 [ 76.222141][ T5276] kobject_set_name_vargs+0xd8/0x1c8 [ 76.223134][ T5276] dev_set_name+0xe8/0x13c [ 76.223850][ T5276] device_add_disk+0x258/0xacc [ 76.224705][ T5276] loop_add+0x510/0x6e0 [ 76.225379][ T5276] loop_control_ioctl+0x130/0x4e0 [ 76.226229][ T5276] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.227079][ T5276] invoke_syscall+0x98/0x2b0 [ 76.227862][ T5276] el0_svc_common+0x138/0x258 [ 76.228650][ T5276] do_el0_svc+0x58/0x13c [ 76.229324][ T5276] el0_svc+0x78/0x1d0 [ 76.229985][ T5276] el0t_64_sync_handler+0xcc/0xe4 [ 76.230864][ T5276] el0t_64_sync+0x1a0/0x1a4 [ 76.245422][ T5278] FAULT_INJECTION: forcing a failure. [ 76.245422][ T5278] name failslab, interval 1, probability 0, space 0, times 0 [ 76.247411][ T5278] CPU: 0 PID: 5278 Comm: syz.0.96 Tainted: G W syzkaller #0 [ 76.248762][ T5278] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.250346][ T5278] Call trace: [ 76.250897][ T5278] dump_backtrace+0x0/0x458 [ 76.251763][ T5278] show_stack+0x2c/0x3c [ 76.252495][ T5278] __dump_stack+0x30/0x40 [ 76.253241][ T5278] dump_stack_lvl+0xf4/0x15c [ 76.254054][ T5278] dump_stack+0x1c/0x5c [ 76.254757][ T5278] should_fail+0x3bc/0x514 [ 76.255484][ T5278] __should_failslab+0xbc/0x10c [ 76.256256][ T5278] should_failslab+0x10/0x28 [ 76.257044][ T5278] slab_pre_alloc_hook+0x64/0xe8 [ 76.257890][ T5278] __kmalloc_track_caller+0x70/0x358 [ 76.258744][ T5278] kstrdup+0xe4/0x15c [ 76.259327][ T5278] kstrdup_const+0x54/0x6c [ 76.260013][ T5278] kvasprintf_const+0x120/0x2e4 [ 76.260757][ T5278] kobject_set_name_vargs+0xd8/0x1c8 [ 76.261659][ T5278] dev_set_name+0xe8/0x13c [ 76.262343][ T5278] device_add_disk+0x258/0xacc [ 76.263083][ T5278] loop_add+0x510/0x6e0 [ 76.263703][ T5278] loop_control_ioctl+0x130/0x4e0 [ 76.264517][ T5278] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.265324][ T5278] invoke_syscall+0x98/0x2b0 [ 76.266129][ T5278] el0_svc_common+0x138/0x258 [ 76.266925][ T5278] do_el0_svc+0x58/0x13c [ 76.267646][ T5278] el0_svc+0x78/0x1d0 [ 76.268357][ T5278] el0t_64_sync_handler+0xcc/0xe4 [ 76.269176][ T5278] el0t_64_sync+0x1a0/0x1a4 [ 76.285274][ T5280] FAULT_INJECTION: forcing a failure. [ 76.285274][ T5280] name failslab, interval 1, probability 0, space 0, times 0 [ 76.287335][ T5280] CPU: 0 PID: 5280 Comm: syz.0.97 Tainted: G W syzkaller #0 [ 76.288806][ T5280] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.290516][ T5280] Call trace: [ 76.291062][ T5280] dump_backtrace+0x0/0x458 [ 76.291920][ T5280] show_stack+0x2c/0x3c [ 76.292606][ T5280] __dump_stack+0x30/0x40 [ 76.293351][ T5280] dump_stack_lvl+0xf4/0x15c [ 76.294095][ T5280] dump_stack+0x1c/0x5c [ 76.294751][ T5280] should_fail+0x3bc/0x514 [ 76.295446][ T5280] __should_failslab+0xbc/0x10c [ 76.296327][ T5280] should_failslab+0x10/0x28 [ 76.297078][ T5280] slab_pre_alloc_hook+0x64/0xe8 [ 76.297863][ T5280] __kmalloc_track_caller+0x70/0x358 [ 76.298802][ T5280] kstrdup+0xe4/0x15c [ 76.299438][ T5280] kstrdup_const+0x54/0x6c [ 76.300170][ T5280] kvasprintf_const+0x120/0x2e4 [ 76.300997][ T5280] kobject_set_name_vargs+0xd8/0x1c8 [ 76.301834][ T5280] dev_set_name+0xe8/0x13c [ 76.302530][ T5280] device_add_disk+0x258/0xacc [ 76.303271][ T5280] loop_add+0x510/0x6e0 [ 76.303942][ T5280] loop_control_ioctl+0x130/0x4e0 [ 76.304754][ T5280] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.305595][ T5280] invoke_syscall+0x98/0x2b0 [ 76.306337][ T5280] el0_svc_common+0x138/0x258 [ 76.307079][ T5280] do_el0_svc+0x58/0x13c [ 76.307793][ T5280] el0_svc+0x78/0x1d0 [ 76.308383][ T5280] el0t_64_sync_handler+0xcc/0xe4 [ 76.309286][ T5280] el0t_64_sync+0x1a0/0x1a4 [ 76.317894][ T5282] FAULT_INJECTION: forcing a failure. [ 76.317894][ T5282] name failslab, interval 1, probability 0, space 0, times 0 [ 76.319888][ T5282] CPU: 0 PID: 5282 Comm: syz.0.98 Tainted: G W syzkaller #0 [ 76.321363][ T5282] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.323040][ T5282] Call trace: [ 76.323626][ T5282] dump_backtrace+0x0/0x458 [ 76.324450][ T5282] show_stack+0x2c/0x3c [ 76.325205][ T5282] __dump_stack+0x30/0x40 [ 76.325980][ T5282] dump_stack_lvl+0xf4/0x15c [ 76.326838][ T5282] dump_stack+0x1c/0x5c [ 76.327616][ T5282] should_fail+0x3bc/0x514 [ 76.328365][ T5282] __should_failslab+0xbc/0x10c [ 76.329209][ T5282] should_failslab+0x10/0x28 [ 76.329984][ T5282] slab_pre_alloc_hook+0x64/0xe8 [ 76.330796][ T5282] kmem_cache_alloc_trace+0x98/0x3ec [ 76.331735][ T5282] rand_initialize_disk+0x58/0xb8 [ 76.332529][ T5282] __alloc_disk_node+0x2a8/0x450 [ 76.333346][ T5282] __blk_mq_alloc_disk+0xe8/0x154 [ 76.334163][ T5282] loop_add+0x240/0x6e0 [ 76.334802][ T5282] loop_control_ioctl+0x130/0x4e0 [ 76.335589][ T5282] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.336378][ T5282] invoke_syscall+0x98/0x2b0 [ 76.337095][ T5282] el0_svc_common+0x138/0x258 [ 76.337804][ T5282] do_el0_svc+0x58/0x13c [ 76.338474][ T5282] el0_svc+0x78/0x1d0 [ 76.339111][ T5282] el0t_64_sync_handler+0xcc/0xe4 [ 76.340079][ T5282] el0t_64_sync+0x1a0/0x1a4 [ 76.351015][ T5284] FAULT_INJECTION: forcing a failure. [ 76.351015][ T5284] name failslab, interval 1, probability 0, space 0, times 0 [ 76.353030][ T5284] CPU: 0 PID: 5284 Comm: syz.0.99 Tainted: G W syzkaller #0 [ 76.354336][ T5284] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.355955][ T5284] Call trace: [ 76.356414][ T5284] dump_backtrace+0x0/0x458 [ 76.357089][ T5284] show_stack+0x2c/0x3c [ 76.357706][ T5284] __dump_stack+0x30/0x40 [ 76.358401][ T5284] dump_stack_lvl+0xf4/0x15c [ 76.359127][ T5284] dump_stack+0x1c/0x5c [ 76.359845][ T5284] should_fail+0x3bc/0x514 [ 76.360537][ T5284] __should_failslab+0xbc/0x10c [ 76.361337][ T5284] should_failslab+0x10/0x28 [ 76.362050][ T5284] slab_pre_alloc_hook+0x64/0xe8 [ 76.362917][ T5284] __kmalloc_track_caller+0x70/0x358 [ 76.363729][ T5284] kstrdup+0xe4/0x15c [ 76.364308][ T5284] kstrdup_const+0x54/0x6c [ 76.364956][ T5284] kvasprintf_const+0x120/0x2e4 [ 76.365649][ T5284] kobject_set_name_vargs+0xd8/0x1c8 [ 76.366416][ T5284] dev_set_name+0xe8/0x13c [ 76.367125][ T5284] device_add_disk+0x258/0xacc [ 76.367872][ T5284] loop_add+0x510/0x6e0 [ 76.368530][ T5284] loop_control_ioctl+0x130/0x4e0 [ 76.369317][ T5284] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.370098][ T5284] invoke_syscall+0x98/0x2b0 [ 76.370777][ T5284] el0_svc_common+0x138/0x258 [ 76.371476][ T5284] do_el0_svc+0x58/0x13c [ 76.372092][ T5284] el0_svc+0x78/0x1d0 [ 76.372698][ T5284] el0t_64_sync_handler+0xcc/0xe4 [ 76.373465][ T5284] el0t_64_sync+0x1a0/0x1a4 [ 76.384224][ T5286] FAULT_INJECTION: forcing a failure. [ 76.384224][ T5286] name failslab, interval 1, probability 0, space 0, times 0 [ 76.386155][ T5286] CPU: 0 PID: 5286 Comm: syz.0.100 Tainted: G W syzkaller #0 [ 76.387435][ T5286] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.389036][ T5286] Call trace: [ 76.389660][ T5286] dump_backtrace+0x0/0x458 [ 76.390536][ T5286] show_stack+0x2c/0x3c [ 76.391206][ T5286] __dump_stack+0x30/0x40 [ 76.391904][ T5286] dump_stack_lvl+0xf4/0x15c [ 76.392655][ T5286] dump_stack+0x1c/0x5c [ 76.393329][ T5286] should_fail+0x3bc/0x514 [ 76.394062][ T5286] __should_failslab+0xbc/0x10c [ 76.394834][ T5286] should_failslab+0x10/0x28 [ 76.395547][ T5286] slab_pre_alloc_hook+0x64/0xe8 [ 76.396321][ T5286] kmem_cache_alloc_trace+0x98/0x3ec [ 76.397221][ T5286] rand_initialize_disk+0x58/0xb8 [ 76.398047][ T5286] __alloc_disk_node+0x2a8/0x450 [ 76.398858][ T5286] __blk_mq_alloc_disk+0xe8/0x154 [ 76.399676][ T5286] loop_add+0x240/0x6e0 [ 76.400403][ T5286] loop_control_ioctl+0x130/0x4e0 [ 76.401381][ T5286] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.402319][ T5286] invoke_syscall+0x98/0x2b0 [ 76.403044][ T5286] el0_svc_common+0x138/0x258 [ 76.403841][ T5286] do_el0_svc+0x58/0x13c [ 76.404515][ T5286] el0_svc+0x78/0x1d0 [ 76.405176][ T5286] el0t_64_sync_handler+0xcc/0xe4 [ 76.406064][ T5286] el0t_64_sync+0x1a0/0x1a4 [ 76.419670][ T5288] FAULT_INJECTION: forcing a failure. [ 76.419670][ T5288] name failslab, interval 1, probability 0, space 0, times 0 [ 76.423554][ T5288] CPU: 1 PID: 5288 Comm: syz.0.101 Tainted: G W syzkaller #0 [ 76.425093][ T5288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.426809][ T5288] Call trace: [ 76.427383][ T5288] dump_backtrace+0x0/0x458 [ 76.428157][ T5288] show_stack+0x2c/0x3c [ 76.428825][ T5288] __dump_stack+0x30/0x40 [ 76.429470][ T5288] dump_stack_lvl+0xf4/0x15c [ 76.430226][ T5288] dump_stack+0x1c/0x5c [ 76.430924][ T5288] should_fail+0x3bc/0x514 [ 76.431697][ T5288] __should_failslab+0xbc/0x10c [ 76.432539][ T5288] should_failslab+0x10/0x28 [ 76.433377][ T5288] slab_pre_alloc_hook+0x64/0xe8 [ 76.434246][ T5288] __kmalloc_track_caller+0x70/0x358 [ 76.435142][ T5288] kstrdup+0xe4/0x15c [ 76.435789][ T5288] kstrdup_const+0x54/0x6c [ 76.436561][ T5288] kvasprintf_const+0x120/0x2e4 [ 76.437413][ T5288] kobject_set_name_vargs+0xd8/0x1c8 [ 76.438327][ T5288] dev_set_name+0xe8/0x13c [ 76.439087][ T5288] device_add_disk+0x258/0xacc [ 76.439924][ T5288] loop_add+0x510/0x6e0 [ 76.440638][ T5288] loop_control_ioctl+0x130/0x4e0 [ 76.441441][ T5288] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.442223][ T5288] invoke_syscall+0x98/0x2b0 [ 76.442924][ T5288] el0_svc_common+0x138/0x258 [ 76.443638][ T5288] do_el0_svc+0x58/0x13c [ 76.444282][ T5288] el0_svc+0x78/0x1d0 [ 76.444930][ T5288] el0t_64_sync_handler+0xcc/0xe4 [ 76.445680][ T5288] el0t_64_sync+0x1a0/0x1a4 [ 76.457800][ T5290] FAULT_INJECTION: forcing a failure. [ 76.457800][ T5290] name failslab, interval 1, probability 0, space 0, times 0 [ 76.459827][ T5290] CPU: 1 PID: 5290 Comm: syz.0.102 Tainted: G W syzkaller #0 [ 76.461413][ T5290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.463149][ T5290] Call trace: [ 76.463656][ T5290] dump_backtrace+0x0/0x458 [ 76.464455][ T5290] show_stack+0x2c/0x3c [ 76.465056][ T5290] __dump_stack+0x30/0x40 [ 76.465758][ T5290] dump_stack_lvl+0xf4/0x15c [ 76.466502][ T5290] dump_stack+0x1c/0x5c [ 76.467184][ T5290] should_fail+0x3bc/0x514 [ 76.467907][ T5290] __should_failslab+0xbc/0x10c [ 76.468742][ T5290] should_failslab+0x10/0x28 [ 76.469513][ T5290] slab_pre_alloc_hook+0x64/0xe8 [ 76.470289][ T5290] __kmalloc_track_caller+0x70/0x358 [ 76.471170][ T5290] kstrdup+0xe4/0x15c [ 76.471802][ T5290] kstrdup_const+0x54/0x6c [ 76.472496][ T5290] kvasprintf_const+0x120/0x2e4 [ 76.473262][ T5290] kobject_set_name_vargs+0xd8/0x1c8 [ 76.474149][ T5290] dev_set_name+0xe8/0x13c [ 76.474863][ T5290] device_add_disk+0x258/0xacc [ 76.475697][ T5290] loop_add+0x510/0x6e0 [ 76.476471][ T5290] loop_control_ioctl+0x130/0x4e0 [ 76.477263][ T5290] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.478049][ T5290] invoke_syscall+0x98/0x2b0 [ 76.478812][ T5290] el0_svc_common+0x138/0x258 [ 76.479560][ T5290] do_el0_svc+0x58/0x13c [ 76.480191][ T5290] el0_svc+0x78/0x1d0 [ 76.480847][ T5290] el0t_64_sync_handler+0xcc/0xe4 [ 76.481709][ T5290] el0t_64_sync+0x1a0/0x1a4 [ 76.498895][ T5292] FAULT_INJECTION: forcing a failure. [ 76.498895][ T5292] name failslab, interval 1, probability 0, space 0, times 0 [ 76.503264][ T5292] CPU: 0 PID: 5292 Comm: syz.0.103 Tainted: G W syzkaller #0 [ 76.504775][ T5292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.506525][ T5292] Call trace: [ 76.507053][ T5292] dump_backtrace+0x0/0x458 [ 76.507814][ T5292] show_stack+0x2c/0x3c [ 76.508488][ T5292] __dump_stack+0x30/0x40 [ 76.509187][ T5292] dump_stack_lvl+0xf4/0x15c [ 76.509920][ T5292] dump_stack+0x1c/0x5c [ 76.510631][ T5292] should_fail+0x3bc/0x514 [ 76.511478][ T5292] __should_failslab+0xbc/0x10c [ 76.512343][ T5292] should_failslab+0x10/0x28 [ 76.513171][ T5292] slab_pre_alloc_hook+0x64/0xe8 [ 76.513992][ T5292] kmem_cache_alloc_trace+0x98/0x3ec [ 76.514858][ T5292] rand_initialize_disk+0x58/0xb8 [ 76.515718][ T5292] __alloc_disk_node+0x2a8/0x450 [ 76.516598][ T5292] __blk_mq_alloc_disk+0xe8/0x154 [ 76.517455][ T5292] loop_add+0x240/0x6e0 [ 76.518167][ T5292] loop_control_ioctl+0x130/0x4e0 [ 76.519042][ T5292] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.519874][ T5292] invoke_syscall+0x98/0x2b0 [ 76.520611][ T5292] el0_svc_common+0x138/0x258 [ 76.521409][ T5292] do_el0_svc+0x58/0x13c [ 76.522121][ T5292] el0_svc+0x78/0x1d0 [ 76.522762][ T5292] el0t_64_sync_handler+0xcc/0xe4 [ 76.523539][ T5292] el0t_64_sync+0x1a0/0x1a4 [ 76.550606][ T5294] FAULT_INJECTION: forcing a failure. [ 76.550606][ T5294] name failslab, interval 1, probability 0, space 0, times 0 [ 76.552672][ T5294] CPU: 1 PID: 5294 Comm: syz.0.104 Tainted: G W syzkaller #0 [ 76.554053][ T5294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.555750][ T5294] Call trace: [ 76.556323][ T5294] dump_backtrace+0x0/0x458 [ 76.557008][ T5294] show_stack+0x2c/0x3c [ 76.557746][ T5294] __dump_stack+0x30/0x40 [ 76.558457][ T5294] dump_stack_lvl+0xf4/0x15c [ 76.559166][ T5294] dump_stack+0x1c/0x5c [ 76.559872][ T5294] should_fail+0x3bc/0x514 [ 76.560554][ T5294] __should_failslab+0xbc/0x10c [ 76.561393][ T5294] should_failslab+0x10/0x28 [ 76.562173][ T5294] slab_pre_alloc_hook+0x64/0xe8 [ 76.563028][ T5294] kmem_cache_alloc+0x94/0x3d4 [ 76.563897][ T5294] security_inode_alloc+0x38/0x11c [ 76.564761][ T5294] inode_init_always+0x670/0xa84 [ 76.565656][ T5294] new_inode_pseudo+0x7c/0x1fc [ 76.566512][ T5294] new_inode+0x38/0x174 [ 76.567185][ T5294] bdev_alloc+0x30/0x1f8 [ 76.567862][ T5294] __alloc_disk_node+0xbc/0x450 [ 76.568654][ T5294] __blk_mq_alloc_disk+0xe8/0x154 [ 76.569429][ T5294] loop_add+0x240/0x6e0 [ 76.570105][ T5294] loop_control_ioctl+0x130/0x4e0 [ 76.570903][ T5294] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.571754][ T5294] invoke_syscall+0x98/0x2b0 [ 76.572505][ T5294] el0_svc_common+0x138/0x258 [ 76.573299][ T5294] do_el0_svc+0x58/0x13c [ 76.574016][ T5294] el0_svc+0x78/0x1d0 [ 76.574741][ T5294] el0t_64_sync_handler+0xcc/0xe4 [ 76.575581][ T5294] el0t_64_sync+0x1a0/0x1a4 [ 76.585889][ T5296] FAULT_INJECTION: forcing a failure. [ 76.585889][ T5296] name failslab, interval 1, probability 0, space 0, times 0 [ 76.588431][ T5296] CPU: 1 PID: 5296 Comm: syz.0.105 Tainted: G W syzkaller #0 [ 76.589847][ T5296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.591581][ T5296] Call trace: [ 76.592174][ T5296] dump_backtrace+0x0/0x458 [ 76.592904][ T5296] show_stack+0x2c/0x3c [ 76.593651][ T5296] __dump_stack+0x30/0x40 [ 76.594363][ T5296] dump_stack_lvl+0xf4/0x15c [ 76.595067][ T5296] dump_stack+0x1c/0x5c [ 76.595660][ T5296] should_fail+0x3bc/0x514 [ 76.596375][ T5296] __should_failslab+0xbc/0x10c [ 76.597156][ T5296] should_failslab+0x10/0x28 [ 76.597880][ T5296] slab_pre_alloc_hook+0x64/0xe8 [ 76.598744][ T5296] __kmalloc_track_caller+0x70/0x358 [ 76.599646][ T5296] kstrdup+0xe4/0x15c [ 76.600306][ T5296] kstrdup_const+0x54/0x6c [ 76.601040][ T5296] kvasprintf_const+0x120/0x2e4 [ 76.601809][ T5296] kobject_set_name_vargs+0xd8/0x1c8 [ 76.602704][ T5296] dev_set_name+0xe8/0x13c [ 76.603438][ T5296] device_add_disk+0x258/0xacc [ 76.604205][ T5296] loop_add+0x510/0x6e0 [ 76.604806][ T5296] loop_control_ioctl+0x130/0x4e0 [ 76.605576][ T5296] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.606427][ T5296] invoke_syscall+0x98/0x2b0 [ 76.607159][ T5296] el0_svc_common+0x138/0x258 [ 76.607960][ T5296] do_el0_svc+0x58/0x13c [ 76.608618][ T5296] el0_svc+0x78/0x1d0 [ 76.609280][ T5296] el0t_64_sync_handler+0xcc/0xe4 [ 76.610078][ T5296] el0t_64_sync+0x1a0/0x1a4 [ 76.621053][ T5298] FAULT_INJECTION: forcing a failure. [ 76.621053][ T5298] name failslab, interval 1, probability 0, space 0, times 0 [ 76.623020][ T5298] CPU: 1 PID: 5298 Comm: syz.0.106 Tainted: G W syzkaller #0 [ 76.624391][ T5298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.625838][ T5298] Call trace: [ 76.626321][ T5298] dump_backtrace+0x0/0x458 [ 76.626999][ T5298] show_stack+0x2c/0x3c [ 76.627621][ T5298] __dump_stack+0x30/0x40 [ 76.628319][ T5298] dump_stack_lvl+0xf4/0x15c [ 76.628998][ T5298] dump_stack+0x1c/0x5c [ 76.629735][ T5298] should_fail+0x3bc/0x514 [ 76.630457][ T5298] __should_failslab+0xbc/0x10c [ 76.631338][ T5298] should_failslab+0x10/0x28 [ 76.632135][ T5298] slab_pre_alloc_hook+0x64/0xe8 [ 76.632985][ T5298] __kmalloc_track_caller+0x70/0x358 [ 76.633899][ T5298] kstrdup+0xe4/0x15c [ 76.634530][ T5298] kstrdup_const+0x54/0x6c [ 76.635279][ T5298] kvasprintf_const+0x120/0x2e4 [ 76.636054][ T5298] kobject_set_name_vargs+0xd8/0x1c8 [ 76.636901][ T5298] dev_set_name+0xe8/0x13c [ 76.637683][ T5298] device_add_disk+0x258/0xacc [ 76.638494][ T5298] loop_add+0x510/0x6e0 [ 76.639273][ T5298] loop_control_ioctl+0x130/0x4e0 [ 76.640113][ T5298] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.640975][ T5298] invoke_syscall+0x98/0x2b0 [ 76.641728][ T5298] el0_svc_common+0x138/0x258 [ 76.642483][ T5298] do_el0_svc+0x58/0x13c [ 76.643167][ T5298] el0_svc+0x78/0x1d0 [ 76.643791][ T5298] el0t_64_sync_handler+0xcc/0xe4 [ 76.644629][ T5298] el0t_64_sync+0x1a0/0x1a4 [ 76.654881][ T5300] FAULT_INJECTION: forcing a failure. [ 76.654881][ T5300] name failslab, interval 1, probability 0, space 0, times 0 [ 76.657016][ T5300] CPU: 1 PID: 5300 Comm: syz.0.107 Tainted: G W syzkaller #0 [ 76.658324][ T5300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.659891][ T5300] Call trace: [ 76.660418][ T5300] dump_backtrace+0x0/0x458 [ 76.661153][ T5300] show_stack+0x2c/0x3c [ 76.661847][ T5300] __dump_stack+0x30/0x40 [ 76.662545][ T5300] dump_stack_lvl+0xf4/0x15c [ 76.663306][ T5300] dump_stack+0x1c/0x5c [ 76.664012][ T5300] should_fail+0x3bc/0x514 [ 76.664781][ T5300] __should_failslab+0xbc/0x10c [ 76.665579][ T5300] should_failslab+0x10/0x28 [ 76.666483][ T5300] slab_pre_alloc_hook+0x64/0xe8 [ 76.667368][ T5300] kmem_cache_alloc+0x94/0x3d4 [ 76.668239][ T5300] security_inode_alloc+0x38/0x11c [ 76.669174][ T5300] inode_init_always+0x670/0xa84 [ 76.669977][ T5300] new_inode_pseudo+0x7c/0x1fc [ 76.670856][ T5300] new_inode+0x38/0x174 [ 76.671574][ T5300] bdev_alloc+0x30/0x1f8 [ 76.672254][ T5300] __alloc_disk_node+0xbc/0x450 [ 76.673100][ T5300] __blk_mq_alloc_disk+0xe8/0x154 [ 76.673877][ T5300] loop_add+0x240/0x6e0 [ 76.674562][ T5300] loop_control_ioctl+0x130/0x4e0 [ 76.675397][ T5300] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.676199][ T5300] invoke_syscall+0x98/0x2b0 [ 76.677056][ T5300] el0_svc_common+0x138/0x258 [ 76.677856][ T5300] do_el0_svc+0x58/0x13c [ 76.678523][ T5300] el0_svc+0x78/0x1d0 [ 76.679129][ T5300] el0t_64_sync_handler+0xcc/0xe4 [ 76.679942][ T5300] el0t_64_sync+0x1a0/0x1a4 [ 76.694724][ T5302] FAULT_INJECTION: forcing a failure. [ 76.694724][ T5302] name failslab, interval 1, probability 0, space 0, times 0 [ 76.696987][ T5302] CPU: 0 PID: 5302 Comm: syz.0.108 Tainted: G W syzkaller #0 [ 76.698465][ T5302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.700072][ T5302] Call trace: [ 76.700621][ T5302] dump_backtrace+0x0/0x458 [ 76.701360][ T5302] show_stack+0x2c/0x3c [ 76.702058][ T5302] __dump_stack+0x30/0x40 [ 76.702769][ T5302] dump_stack_lvl+0xf4/0x15c [ 76.703512][ T5302] dump_stack+0x1c/0x5c [ 76.704190][ T5302] should_fail+0x3bc/0x514 [ 76.704921][ T5302] __should_failslab+0xbc/0x10c [ 76.705719][ T5302] should_failslab+0x10/0x28 [ 76.706476][ T5302] slab_pre_alloc_hook+0x64/0xe8 [ 76.707234][ T5302] __kmalloc_track_caller+0x70/0x358 [ 76.708025][ T5302] kstrdup+0xe4/0x15c [ 76.708656][ T5302] kstrdup_const+0x54/0x6c [ 76.709370][ T5302] kvasprintf_const+0x120/0x2e4 [ 76.710129][ T5302] kobject_set_name_vargs+0xd8/0x1c8 [ 76.710929][ T5302] dev_set_name+0xe8/0x13c [ 76.711598][ T5302] device_add_disk+0x258/0xacc [ 76.712465][ T5302] loop_add+0x510/0x6e0 [ 76.713108][ T5302] loop_control_ioctl+0x130/0x4e0 [ 76.713964][ T5302] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.714845][ T5302] invoke_syscall+0x98/0x2b0 [ 76.715622][ T5302] el0_svc_common+0x138/0x258 [ 76.716398][ T5302] do_el0_svc+0x58/0x13c [ 76.717154][ T5302] el0_svc+0x78/0x1d0 [ 76.717838][ T5302] el0t_64_sync_handler+0xcc/0xe4 [ 76.718716][ T5302] el0t_64_sync+0x1a0/0x1a4 [ 76.738509][ T5304] FAULT_INJECTION: forcing a failure. [ 76.738509][ T5304] name failslab, interval 1, probability 0, space 0, times 0 [ 76.741058][ T5304] CPU: 0 PID: 5304 Comm: syz.0.109 Tainted: G W syzkaller #0 [ 76.742404][ T5304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.744051][ T5304] Call trace: [ 76.744520][ T5304] dump_backtrace+0x0/0x458 [ 76.745218][ T5304] show_stack+0x2c/0x3c [ 76.745877][ T5304] __dump_stack+0x30/0x40 [ 76.746580][ T5304] dump_stack_lvl+0xf4/0x15c [ 76.747305][ T5304] dump_stack+0x1c/0x5c [ 76.747953][ T5304] should_fail+0x3bc/0x514 [ 76.748645][ T5304] __should_failslab+0xbc/0x10c [ 76.749394][ T5304] should_failslab+0x10/0x28 [ 76.750062][ T5304] slab_pre_alloc_hook+0x64/0xe8 [ 76.750818][ T5304] __kmalloc_node+0xb8/0x508 [ 76.751578][ T5304] memcg_alloc_page_obj_cgroups+0x80/0x170 [ 76.752646][ T5304] new_slab+0x114/0x544 [ 76.753284][ T5304] ___slab_alloc+0x6b4/0xd8c [ 76.754112][ T5304] __slab_alloc+0x68/0xc0 [ 76.754833][ T5304] kmem_cache_alloc+0x2a4/0x3d4 [ 76.755656][ T5304] bdev_alloc_inode+0x24/0x60 [ 76.756394][ T5304] new_inode_pseudo+0x68/0x1fc [ 76.757149][ T5304] new_inode+0x38/0x174 [ 76.757767][ T5304] bdev_alloc+0x30/0x1f8 [ 76.758413][ T5304] __alloc_disk_node+0xbc/0x450 [ 76.759132][ T5304] __blk_mq_alloc_disk+0xe8/0x154 [ 76.759910][ T5304] loop_add+0x240/0x6e0 [ 76.760527][ T5304] loop_control_ioctl+0x130/0x4e0 [ 76.761308][ T5304] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.762144][ T5304] invoke_syscall+0x98/0x2b0 [ 76.762856][ T5304] el0_svc_common+0x138/0x258 [ 76.763606][ T5304] do_el0_svc+0x58/0x13c [ 76.764295][ T5304] el0_svc+0x78/0x1d0 [ 76.764977][ T5304] el0t_64_sync_handler+0xcc/0xe4 [ 76.765906][ T5304] el0t_64_sync+0x1a0/0x1a4 [ 76.789238][ T5306] FAULT_INJECTION: forcing a failure. [ 76.789238][ T5306] name failslab, interval 1, probability 0, space 0, times 0 [ 76.792346][ T5306] CPU: 0 PID: 5306 Comm: syz.0.110 Tainted: G W syzkaller #0 [ 76.793680][ T5306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.795374][ T5306] Call trace: [ 76.795944][ T5306] dump_backtrace+0x0/0x458 [ 76.796711][ T5306] show_stack+0x2c/0x3c [ 76.797463][ T5306] __dump_stack+0x30/0x40 [ 76.798128][ T5306] dump_stack_lvl+0xf4/0x15c [ 76.798867][ T5306] dump_stack+0x1c/0x5c [ 76.799567][ T5306] should_fail+0x3bc/0x514 [ 76.800287][ T5306] __should_failslab+0xbc/0x10c [ 76.801175][ T5306] should_failslab+0x10/0x28 [ 76.801926][ T5306] slab_pre_alloc_hook+0x64/0xe8 [ 76.802812][ T5306] kmem_cache_alloc_trace+0x98/0x3ec [ 76.803658][ T5306] rand_initialize_disk+0x58/0xb8 [ 76.804457][ T5306] __alloc_disk_node+0x2a8/0x450 [ 76.805321][ T5306] __blk_mq_alloc_disk+0xe8/0x154 [ 76.806146][ T5306] loop_add+0x240/0x6e0 [ 76.806848][ T5306] loop_control_ioctl+0x130/0x4e0 [ 76.807719][ T5306] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.808598][ T5306] invoke_syscall+0x98/0x2b0 [ 76.809336][ T5306] el0_svc_common+0x138/0x258 [ 76.810102][ T5306] do_el0_svc+0x58/0x13c [ 76.810805][ T5306] el0_svc+0x78/0x1d0 [ 76.811648][ T5306] el0t_64_sync_handler+0xcc/0xe4 [ 76.812473][ T5306] el0t_64_sync+0x1a0/0x1a4 1970/01/01 00:01:16 executed programs: 97 [ 76.837055][ T5308] FAULT_INJECTION: forcing a failure. [ 76.837055][ T5308] name failslab, interval 1, probability 0, space 0, times 0 [ 76.839047][ T5308] CPU: 1 PID: 5308 Comm: syz.0.111 Tainted: G W syzkaller #0 [ 76.840444][ T5308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.842019][ T5308] Call trace: [ 76.842553][ T5308] dump_backtrace+0x0/0x458 [ 76.843169][ T5308] show_stack+0x2c/0x3c [ 76.843827][ T5308] __dump_stack+0x30/0x40 [ 76.844505][ T5308] dump_stack_lvl+0xf4/0x15c [ 76.845285][ T5308] dump_stack+0x1c/0x5c [ 76.845911][ T5308] should_fail+0x3bc/0x514 [ 76.846508][ T5308] __should_failslab+0xbc/0x10c [ 76.847165][ T5308] should_failslab+0x10/0x28 [ 76.847789][ T5308] slab_pre_alloc_hook+0x64/0xe8 [ 76.848631][ T5308] kmem_cache_alloc+0x94/0x3d4 [ 76.849431][ T5308] security_inode_alloc+0x38/0x11c [ 76.850268][ T5308] inode_init_always+0x670/0xa84 [ 76.851072][ T5308] new_inode_pseudo+0x7c/0x1fc [ 76.851829][ T5308] new_inode+0x38/0x174 [ 76.852526][ T5308] bdev_alloc+0x30/0x1f8 [ 76.853198][ T5308] __alloc_disk_node+0xbc/0x450 [ 76.854027][ T5308] __blk_mq_alloc_disk+0xe8/0x154 [ 76.854883][ T5308] loop_add+0x240/0x6e0 [ 76.855537][ T5308] loop_control_ioctl+0x130/0x4e0 [ 76.856496][ T5308] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.857281][ T5308] invoke_syscall+0x98/0x2b0 [ 76.857974][ T5308] el0_svc_common+0x138/0x258 [ 76.858698][ T5308] do_el0_svc+0x58/0x13c [ 76.859423][ T5308] el0_svc+0x78/0x1d0 [ 76.860079][ T5308] el0t_64_sync_handler+0xcc/0xe4 [ 76.860857][ T5308] el0t_64_sync+0x1a0/0x1a4 [ 76.871677][ T5310] FAULT_INJECTION: forcing a failure. [ 76.871677][ T5310] name failslab, interval 1, probability 0, space 0, times 0 [ 76.873716][ T5310] CPU: 1 PID: 5310 Comm: syz.0.112 Tainted: G W syzkaller #0 [ 76.875126][ T5310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.876849][ T5310] Call trace: [ 76.877377][ T5310] dump_backtrace+0x0/0x458 [ 76.878127][ T5310] show_stack+0x2c/0x3c [ 76.878827][ T5310] __dump_stack+0x30/0x40 [ 76.879628][ T5310] dump_stack_lvl+0xf4/0x15c [ 76.880411][ T5310] dump_stack+0x1c/0x5c [ 76.881177][ T5310] should_fail+0x3bc/0x514 [ 76.881908][ T5310] __should_failslab+0xbc/0x10c [ 76.882715][ T5310] should_failslab+0x10/0x28 [ 76.883433][ T5310] slab_pre_alloc_hook+0x64/0xe8 [ 76.884256][ T5310] kmem_cache_alloc_trace+0x98/0x3ec [ 76.885173][ T5310] blk_iolatency_init+0x64/0x430 [ 76.886010][ T5310] blkcg_init_queue+0x3f0/0x484 [ 76.886847][ T5310] blk_alloc_queue+0x3cc/0x4a0 [ 76.887678][ T5310] __blk_mq_alloc_disk+0x5c/0x154 [ 76.888550][ T5310] loop_add+0x240/0x6e0 [ 76.889193][ T5310] loop_control_ioctl+0x130/0x4e0 [ 76.890091][ T5310] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.890897][ T5310] invoke_syscall+0x98/0x2b0 [ 76.891608][ T5310] el0_svc_common+0x138/0x258 [ 76.892296][ T5310] do_el0_svc+0x58/0x13c [ 76.892995][ T5310] el0_svc+0x78/0x1d0 [ 76.893652][ T5310] el0t_64_sync_handler+0xcc/0xe4 [ 76.894437][ T5310] el0t_64_sync+0x1a0/0x1a4 [ 76.909424][ T5312] FAULT_INJECTION: forcing a failure. [ 76.909424][ T5312] name failslab, interval 1, probability 0, space 0, times 0 [ 76.913449][ T5312] CPU: 1 PID: 5312 Comm: syz.0.113 Tainted: G W syzkaller #0 [ 76.914770][ T5312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.916302][ T5312] Call trace: [ 76.916816][ T5312] dump_backtrace+0x0/0x458 [ 76.917638][ T5312] show_stack+0x2c/0x3c [ 76.918363][ T5312] __dump_stack+0x30/0x40 [ 76.919158][ T5312] dump_stack_lvl+0xf4/0x15c [ 76.919918][ T5312] dump_stack+0x1c/0x5c [ 76.920675][ T5312] should_fail+0x3bc/0x514 [ 76.921439][ T5312] __should_failslab+0xbc/0x10c [ 76.922251][ T5312] should_failslab+0x10/0x28 [ 76.923028][ T5312] slab_pre_alloc_hook+0x64/0xe8 [ 76.923895][ T5312] kmem_cache_alloc+0x94/0x3d4 [ 76.924654][ T5312] __debug_object_init+0x7c8/0xa0c [ 76.925498][ T5312] debug_object_init+0x20/0x2c [ 76.926231][ T5312] __init_work+0x58/0x68 [ 76.926952][ T5312] blk_throtl_init+0x104/0x3ec [ 76.927762][ T5312] blkcg_init_queue+0x3cc/0x484 [ 76.928579][ T5312] blk_alloc_queue+0x3cc/0x4a0 [ 76.929407][ T5312] __blk_mq_alloc_disk+0x5c/0x154 [ 76.930267][ T5312] loop_add+0x240/0x6e0 [ 76.931032][ T5312] loop_control_ioctl+0x130/0x4e0 [ 76.931874][ T5312] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.932752][ T5312] invoke_syscall+0x98/0x2b0 [ 76.933601][ T5312] el0_svc_common+0x138/0x258 [ 76.934383][ T5312] do_el0_svc+0x58/0x13c [ 76.935138][ T5312] el0_svc+0x78/0x1d0 [ 76.935781][ T5312] el0t_64_sync_handler+0xcc/0xe4 [ 76.936585][ T5312] el0t_64_sync+0x1a0/0x1a4 [ 76.950657][ T5314] FAULT_INJECTION: forcing a failure. [ 76.950657][ T5314] name failslab, interval 1, probability 0, space 0, times 0 [ 76.952652][ T5314] CPU: 1 PID: 5314 Comm: syz.0.114 Tainted: G W syzkaller #0 [ 76.953974][ T5314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.955544][ T5314] Call trace: [ 76.956079][ T5314] dump_backtrace+0x0/0x458 [ 76.956792][ T5314] show_stack+0x2c/0x3c [ 76.957520][ T5314] __dump_stack+0x30/0x40 [ 76.958250][ T5314] dump_stack_lvl+0xf4/0x15c [ 76.959079][ T5314] dump_stack+0x1c/0x5c [ 76.959810][ T5314] should_fail+0x3bc/0x514 [ 76.960606][ T5314] __should_failslab+0xbc/0x10c [ 76.961406][ T5314] should_failslab+0x10/0x28 [ 76.962235][ T5314] slab_pre_alloc_hook+0x64/0xe8 [ 76.963139][ T5314] __kmalloc_track_caller+0x70/0x358 [ 76.964071][ T5314] kstrdup+0xe4/0x15c [ 76.964736][ T5314] kstrdup_const+0x54/0x6c [ 76.965509][ T5314] kvasprintf_const+0x120/0x2e4 [ 76.966283][ T5314] kobject_set_name_vargs+0xd8/0x1c8 [ 76.967213][ T5314] dev_set_name+0xe8/0x13c [ 76.967895][ T5314] device_add_disk+0x258/0xacc [ 76.968718][ T5314] loop_add+0x510/0x6e0 [ 76.969405][ T5314] loop_control_ioctl+0x130/0x4e0 [ 76.970234][ T5314] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.971076][ T5314] invoke_syscall+0x98/0x2b0 [ 76.971871][ T5314] el0_svc_common+0x138/0x258 [ 76.972663][ T5314] do_el0_svc+0x58/0x13c [ 76.973384][ T5314] el0_svc+0x78/0x1d0 [ 76.974090][ T5314] el0t_64_sync_handler+0xcc/0xe4 [ 76.974915][ T5314] el0t_64_sync+0x1a0/0x1a4 [ 76.983628][ T5316] FAULT_INJECTION: forcing a failure. [ 76.983628][ T5316] name failslab, interval 1, probability 0, space 0, times 0 [ 76.985630][ T5316] CPU: 1 PID: 5316 Comm: syz.0.115 Tainted: G W syzkaller #0 [ 76.987083][ T5316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 76.988667][ T5316] Call trace: [ 76.989239][ T5316] dump_backtrace+0x0/0x458 [ 76.989946][ T5316] show_stack+0x2c/0x3c [ 76.990538][ T5316] __dump_stack+0x30/0x40 [ 76.991192][ T5316] dump_stack_lvl+0xf4/0x15c [ 76.991937][ T5316] dump_stack+0x1c/0x5c [ 76.992547][ T5316] should_fail+0x3bc/0x514 [ 76.993152][ T5316] __should_failslab+0xbc/0x10c [ 76.993888][ T5316] should_failslab+0x10/0x28 [ 76.994619][ T5316] slab_pre_alloc_hook+0x64/0xe8 [ 76.995412][ T5316] __kmalloc_track_caller+0x70/0x358 [ 76.996422][ T5316] kstrdup+0xe4/0x15c [ 76.997116][ T5316] kstrdup_const+0x54/0x6c [ 76.997909][ T5316] kvasprintf_const+0x120/0x2e4 [ 76.998649][ T5316] kobject_set_name_vargs+0xd8/0x1c8 [ 76.999541][ T5316] dev_set_name+0xe8/0x13c [ 77.000297][ T5316] device_add_disk+0x258/0xacc [ 77.001130][ T5316] loop_add+0x510/0x6e0 [ 77.001775][ T5316] loop_control_ioctl+0x130/0x4e0 [ 77.002625][ T5316] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.003414][ T5316] invoke_syscall+0x98/0x2b0 [ 77.004187][ T5316] el0_svc_common+0x138/0x258 [ 77.004821][ T5316] do_el0_svc+0x58/0x13c [ 77.005471][ T5316] el0_svc+0x78/0x1d0 [ 77.006107][ T5316] el0t_64_sync_handler+0xcc/0xe4 [ 77.006946][ T5316] el0t_64_sync+0x1a0/0x1a4 [ 77.018254][ T5318] FAULT_INJECTION: forcing a failure. [ 77.018254][ T5318] name failslab, interval 1, probability 0, space 0, times 0 [ 77.025416][ T5318] CPU: 1 PID: 5318 Comm: syz.0.116 Tainted: G W syzkaller #0 [ 77.026891][ T5318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.028555][ T5318] Call trace: [ 77.029093][ T5318] dump_backtrace+0x0/0x458 [ 77.029912][ T5318] show_stack+0x2c/0x3c [ 77.030549][ T5318] __dump_stack+0x30/0x40 [ 77.031286][ T5318] dump_stack_lvl+0xf4/0x15c [ 77.032057][ T5318] dump_stack+0x1c/0x5c [ 77.032773][ T5318] should_fail+0x3bc/0x514 [ 77.033510][ T5318] __should_failslab+0xbc/0x10c [ 77.034324][ T5318] should_failslab+0x10/0x28 [ 77.035118][ T5318] slab_pre_alloc_hook+0x64/0xe8 [ 77.035915][ T5318] kmem_cache_alloc_trace+0x98/0x3ec [ 77.036800][ T5318] rand_initialize_disk+0x58/0xb8 [ 77.037638][ T5318] __alloc_disk_node+0x2a8/0x450 [ 77.038454][ T5318] __blk_mq_alloc_disk+0xe8/0x154 [ 77.039304][ T5318] loop_add+0x240/0x6e0 [ 77.039993][ T5318] loop_control_ioctl+0x130/0x4e0 [ 77.040900][ T5318] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.041782][ T5318] invoke_syscall+0x98/0x2b0 [ 77.042646][ T5318] el0_svc_common+0x138/0x258 [ 77.043466][ T5318] do_el0_svc+0x58/0x13c [ 77.044248][ T5318] el0_svc+0x78/0x1d0 [ 77.044876][ T5318] el0t_64_sync_handler+0xcc/0xe4 [ 77.045655][ T5318] el0t_64_sync+0x1a0/0x1a4 [ 77.065190][ T5320] FAULT_INJECTION: forcing a failure. [ 77.065190][ T5320] name failslab, interval 1, probability 0, space 0, times 0 [ 77.067184][ T5320] CPU: 0 PID: 5320 Comm: syz.0.117 Tainted: G W syzkaller #0 [ 77.068577][ T5320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.070202][ T5320] Call trace: [ 77.070811][ T5320] dump_backtrace+0x0/0x458 [ 77.071566][ T5320] show_stack+0x2c/0x3c [ 77.072256][ T5320] __dump_stack+0x30/0x40 [ 77.072992][ T5320] dump_stack_lvl+0xf4/0x15c [ 77.073767][ T5320] dump_stack+0x1c/0x5c [ 77.074539][ T5320] should_fail+0x3bc/0x514 [ 77.075329][ T5320] __should_failslab+0xbc/0x10c [ 77.076243][ T5320] should_failslab+0x10/0x28 [ 77.077050][ T5320] slab_pre_alloc_hook+0x64/0xe8 [ 77.077885][ T5320] kmem_cache_alloc+0x94/0x3d4 [ 77.078664][ T5320] security_inode_alloc+0x38/0x11c [ 77.079486][ T5320] inode_init_always+0x670/0xa84 [ 77.080294][ T5320] new_inode_pseudo+0x7c/0x1fc [ 77.081065][ T5320] new_inode+0x38/0x174 [ 77.081745][ T5320] bdev_alloc+0x30/0x1f8 [ 77.082485][ T5320] __alloc_disk_node+0xbc/0x450 [ 77.083214][ T5320] __blk_mq_alloc_disk+0xe8/0x154 [ 77.084081][ T5320] loop_add+0x240/0x6e0 [ 77.084845][ T5320] loop_control_ioctl+0x130/0x4e0 [ 77.085654][ T5320] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.086444][ T5320] invoke_syscall+0x98/0x2b0 [ 77.087235][ T5320] el0_svc_common+0x138/0x258 [ 77.088013][ T5320] do_el0_svc+0x58/0x13c [ 77.088701][ T5320] el0_svc+0x78/0x1d0 [ 77.089369][ T5320] el0t_64_sync_handler+0xcc/0xe4 [ 77.090212][ T5320] el0t_64_sync+0x1a0/0x1a4 [ 77.103675][ T5322] FAULT_INJECTION: forcing a failure. [ 77.103675][ T5322] name failslab, interval 1, probability 0, space 0, times 0 [ 77.105701][ T5322] CPU: 0 PID: 5322 Comm: syz.0.118 Tainted: G W syzkaller #0 [ 77.107110][ T5322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.108748][ T5322] Call trace: [ 77.109359][ T5322] dump_backtrace+0x0/0x458 [ 77.110057][ T5322] show_stack+0x2c/0x3c [ 77.110732][ T5322] __dump_stack+0x30/0x40 [ 77.111458][ T5322] dump_stack_lvl+0xf4/0x15c [ 77.112208][ T5322] dump_stack+0x1c/0x5c [ 77.112952][ T5322] should_fail+0x3bc/0x514 [ 77.113700][ T5322] __should_failslab+0xbc/0x10c [ 77.114487][ T5322] should_failslab+0x10/0x28 [ 77.115214][ T5322] slab_pre_alloc_hook+0x64/0xe8 [ 77.116059][ T5322] __kmalloc_track_caller+0x70/0x358 [ 77.117038][ T5322] kstrdup+0xe4/0x15c [ 77.117729][ T5322] kstrdup_const+0x54/0x6c [ 77.118488][ T5322] kvasprintf_const+0x120/0x2e4 [ 77.119311][ T5322] kobject_set_name_vargs+0xd8/0x1c8 [ 77.120228][ T5322] dev_set_name+0xe8/0x13c [ 77.120976][ T5322] device_add_disk+0x258/0xacc [ 77.121704][ T5322] loop_add+0x510/0x6e0 [ 77.122349][ T5322] loop_control_ioctl+0x130/0x4e0 [ 77.123162][ T5322] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.123992][ T5322] invoke_syscall+0x98/0x2b0 [ 77.124742][ T5322] el0_svc_common+0x138/0x258 [ 77.125527][ T5322] do_el0_svc+0x58/0x13c [ 77.126204][ T5322] el0_svc+0x78/0x1d0 [ 77.126844][ T5322] el0t_64_sync_handler+0xcc/0xe4 [ 77.127712][ T5322] el0t_64_sync+0x1a0/0x1a4 [ 77.138415][ T5324] FAULT_INJECTION: forcing a failure. [ 77.138415][ T5324] name failslab, interval 1, probability 0, space 0, times 0 [ 77.141871][ T5324] CPU: 0 PID: 5324 Comm: syz.0.119 Tainted: G W syzkaller #0 [ 77.143210][ T5324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.144831][ T5324] Call trace: [ 77.145370][ T5324] dump_backtrace+0x0/0x458 [ 77.146099][ T5324] show_stack+0x2c/0x3c [ 77.146807][ T5324] __dump_stack+0x30/0x40 [ 77.147563][ T5324] dump_stack_lvl+0xf4/0x15c [ 77.148355][ T5324] dump_stack+0x1c/0x5c [ 77.149121][ T5324] should_fail+0x3bc/0x514 [ 77.149875][ T5324] __should_failslab+0xbc/0x10c [ 77.150695][ T5324] should_failslab+0x10/0x28 [ 77.151443][ T5324] slab_pre_alloc_hook+0x64/0xe8 [ 77.152214][ T5324] __kmalloc_track_caller+0x70/0x358 [ 77.153041][ T5324] kstrdup+0xe4/0x15c [ 77.153661][ T5324] kstrdup_const+0x54/0x6c [ 77.154395][ T5324] kvasprintf_const+0x120/0x2e4 [ 77.155159][ T5324] kobject_set_name_vargs+0xd8/0x1c8 [ 77.156058][ T5324] dev_set_name+0xe8/0x13c [ 77.156833][ T5324] device_add_disk+0x258/0xacc [ 77.157695][ T5324] loop_add+0x510/0x6e0 [ 77.158385][ T5324] loop_control_ioctl+0x130/0x4e0 [ 77.159186][ T5324] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.159974][ T5324] invoke_syscall+0x98/0x2b0 [ 77.160690][ T5324] el0_svc_common+0x138/0x258 [ 77.161496][ T5324] do_el0_svc+0x58/0x13c [ 77.162201][ T5324] el0_svc+0x78/0x1d0 [ 77.162898][ T5324] el0t_64_sync_handler+0xcc/0xe4 [ 77.163702][ T5324] el0t_64_sync+0x1a0/0x1a4 [ 77.174388][ T5326] FAULT_INJECTION: forcing a failure. [ 77.174388][ T5326] name failslab, interval 1, probability 0, space 0, times 0 [ 77.176696][ T5326] CPU: 1 PID: 5326 Comm: syz.0.120 Tainted: G W syzkaller #0 [ 77.178054][ T5326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.179681][ T5326] Call trace: [ 77.180226][ T5326] dump_backtrace+0x0/0x458 [ 77.180976][ T5326] show_stack+0x2c/0x3c [ 77.181670][ T5326] __dump_stack+0x30/0x40 [ 77.182327][ T5326] dump_stack_lvl+0xf4/0x15c [ 77.183025][ T5326] dump_stack+0x1c/0x5c [ 77.183667][ T5326] should_fail+0x3bc/0x514 [ 77.184407][ T5326] __should_failslab+0xbc/0x10c [ 77.185132][ T5326] should_failslab+0x10/0x28 [ 77.185829][ T5326] slab_pre_alloc_hook+0x64/0xe8 [ 77.186540][ T5326] __kmalloc_track_caller+0x70/0x358 [ 77.187315][ T5326] kstrdup+0xe4/0x15c [ 77.187996][ T5326] kstrdup_const+0x54/0x6c [ 77.188736][ T5326] kvasprintf_const+0x120/0x2e4 [ 77.189526][ T5326] kobject_set_name_vargs+0xd8/0x1c8 [ 77.190424][ T5326] dev_set_name+0xe8/0x13c [ 77.191133][ T5326] device_add_disk+0x258/0xacc [ 77.191896][ T5326] loop_add+0x510/0x6e0 [ 77.192517][ T5326] loop_control_ioctl+0x130/0x4e0 [ 77.193241][ T5326] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.193980][ T5326] invoke_syscall+0x98/0x2b0 [ 77.194654][ T5326] el0_svc_common+0x138/0x258 [ 77.195355][ T5326] do_el0_svc+0x58/0x13c [ 77.195989][ T5326] el0_svc+0x78/0x1d0 [ 77.196630][ T5326] el0t_64_sync_handler+0xcc/0xe4 [ 77.197331][ T5326] el0t_64_sync+0x1a0/0x1a4 [ 77.207612][ T5328] FAULT_INJECTION: forcing a failure. [ 77.207612][ T5328] name failslab, interval 1, probability 0, space 0, times 0 [ 77.209729][ T5328] CPU: 0 PID: 5328 Comm: syz.0.121 Tainted: G W syzkaller #0 [ 77.211272][ T5328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.212996][ T5328] Call trace: [ 77.213595][ T5328] dump_backtrace+0x0/0x458 [ 77.214421][ T5328] show_stack+0x2c/0x3c [ 77.215167][ T5328] __dump_stack+0x30/0x40 [ 77.215918][ T5328] dump_stack_lvl+0xf4/0x15c [ 77.216719][ T5328] dump_stack+0x1c/0x5c [ 77.217444][ T5328] should_fail+0x3bc/0x514 [ 77.218189][ T5328] __should_failslab+0xbc/0x10c [ 77.219062][ T5328] should_failslab+0x10/0x28 [ 77.219818][ T5328] slab_pre_alloc_hook+0x64/0xe8 [ 77.220739][ T5328] __kmalloc_track_caller+0x70/0x358 [ 77.221636][ T5328] kstrdup+0xe4/0x15c [ 77.222335][ T5328] kstrdup_const+0x54/0x6c [ 77.223090][ T5328] kvasprintf_const+0x120/0x2e4 [ 77.223911][ T5328] kobject_set_name_vargs+0xd8/0x1c8 [ 77.224803][ T5328] dev_set_name+0xe8/0x13c [ 77.225578][ T5328] device_add_disk+0x258/0xacc [ 77.226404][ T5328] loop_add+0x510/0x6e0 [ 77.227067][ T5328] loop_control_ioctl+0x130/0x4e0 [ 77.227894][ T5328] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.228749][ T5328] invoke_syscall+0x98/0x2b0 [ 77.229545][ T5328] el0_svc_common+0x138/0x258 [ 77.230383][ T5328] do_el0_svc+0x58/0x13c [ 77.231133][ T5328] el0_svc+0x78/0x1d0 [ 77.231841][ T5328] el0t_64_sync_handler+0xcc/0xe4 [ 77.232693][ T5328] el0t_64_sync+0x1a0/0x1a4 [ 77.245503][ T5330] FAULT_INJECTION: forcing a failure. [ 77.245503][ T5330] name failslab, interval 1, probability 0, space 0, times 0 [ 77.247708][ T5330] CPU: 1 PID: 5330 Comm: syz.0.122 Tainted: G W syzkaller #0 [ 77.249127][ T5330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.250890][ T5330] Call trace: [ 77.251432][ T5330] dump_backtrace+0x0/0x458 [ 77.252160][ T5330] show_stack+0x2c/0x3c [ 77.252861][ T5330] __dump_stack+0x30/0x40 [ 77.253547][ T5330] dump_stack_lvl+0xf4/0x15c [ 77.254304][ T5330] dump_stack+0x1c/0x5c [ 77.254984][ T5330] should_fail+0x3bc/0x514 [ 77.255708][ T5330] __should_failslab+0xbc/0x10c [ 77.256501][ T5330] should_failslab+0x10/0x28 [ 77.257314][ T5330] slab_pre_alloc_hook+0x64/0xe8 [ 77.258122][ T5330] kmem_cache_alloc+0x94/0x3d4 [ 77.258936][ T5330] security_inode_alloc+0x38/0x11c [ 77.259843][ T5330] inode_init_always+0x670/0xa84 [ 77.260695][ T5330] new_inode_pseudo+0x7c/0x1fc [ 77.261484][ T5330] new_inode+0x38/0x174 [ 77.262101][ T5330] bdev_alloc+0x30/0x1f8 [ 77.262720][ T5330] __alloc_disk_node+0xbc/0x450 [ 77.263610][ T5330] __blk_mq_alloc_disk+0xe8/0x154 [ 77.264480][ T5330] loop_add+0x240/0x6e0 [ 77.265168][ T5330] loop_control_ioctl+0x130/0x4e0 [ 77.265992][ T5330] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.266827][ T5330] invoke_syscall+0x98/0x2b0 [ 77.267596][ T5330] el0_svc_common+0x138/0x258 [ 77.268402][ T5330] do_el0_svc+0x58/0x13c [ 77.269103][ T5330] el0_svc+0x78/0x1d0 [ 77.269737][ T5330] el0t_64_sync_handler+0xcc/0xe4 [ 77.270604][ T5330] el0t_64_sync+0x1a0/0x1a4 [ 77.283707][ T5332] FAULT_INJECTION: forcing a failure. [ 77.283707][ T5332] name failslab, interval 1, probability 0, space 0, times 0 [ 77.285735][ T5332] CPU: 0 PID: 5332 Comm: syz.0.123 Tainted: G W syzkaller #0 [ 77.287128][ T5332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.288632][ T5332] Call trace: [ 77.289093][ T5332] dump_backtrace+0x0/0x458 [ 77.289871][ T5332] show_stack+0x2c/0x3c [ 77.290542][ T5332] __dump_stack+0x30/0x40 [ 77.291240][ T5332] dump_stack_lvl+0xf4/0x15c [ 77.292016][ T5332] dump_stack+0x1c/0x5c [ 77.292773][ T5332] should_fail+0x3bc/0x514 [ 77.293606][ T5332] __should_failslab+0xbc/0x10c [ 77.294499][ T5332] should_failslab+0x10/0x28 [ 77.295248][ T5332] slab_pre_alloc_hook+0x64/0xe8 [ 77.296095][ T5332] kmem_cache_alloc+0x94/0x3d4 [ 77.296941][ T5332] security_inode_alloc+0x38/0x11c [ 77.297896][ T5332] inode_init_always+0x670/0xa84 [ 77.298712][ T5332] new_inode_pseudo+0x7c/0x1fc [ 77.299523][ T5332] new_inode+0x38/0x174 [ 77.300309][ T5332] bdev_alloc+0x30/0x1f8 [ 77.301069][ T5332] __alloc_disk_node+0xbc/0x450 [ 77.301858][ T5332] __blk_mq_alloc_disk+0xe8/0x154 [ 77.302672][ T5332] loop_add+0x240/0x6e0 [ 77.303334][ T5332] loop_control_ioctl+0x130/0x4e0 [ 77.304148][ T5332] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.305022][ T5332] invoke_syscall+0x98/0x2b0 [ 77.305745][ T5332] el0_svc_common+0x138/0x258 [ 77.306505][ T5332] do_el0_svc+0x58/0x13c [ 77.307244][ T5332] el0_svc+0x78/0x1d0 [ 77.307992][ T5332] el0t_64_sync_handler+0xcc/0xe4 [ 77.308869][ T5332] el0t_64_sync+0x1a0/0x1a4 [ 77.321002][ T5334] FAULT_INJECTION: forcing a failure. [ 77.321002][ T5334] name failslab, interval 1, probability 0, space 0, times 0 [ 77.323048][ T5334] CPU: 0 PID: 5334 Comm: syz.0.124 Tainted: G W syzkaller #0 [ 77.324418][ T5334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.326174][ T5334] Call trace: [ 77.326721][ T5334] dump_backtrace+0x0/0x458 [ 77.327505][ T5334] show_stack+0x2c/0x3c [ 77.328253][ T5334] __dump_stack+0x30/0x40 [ 77.328946][ T5334] dump_stack_lvl+0xf4/0x15c [ 77.329794][ T5334] dump_stack+0x1c/0x5c [ 77.330506][ T5334] should_fail+0x3bc/0x514 [ 77.331253][ T5334] __should_failslab+0xbc/0x10c [ 77.332093][ T5334] should_failslab+0x10/0x28 [ 77.332837][ T5334] slab_pre_alloc_hook+0x64/0xe8 [ 77.333672][ T5334] kmem_cache_alloc_trace+0x98/0x3ec [ 77.334595][ T5334] rand_initialize_disk+0x58/0xb8 [ 77.335450][ T5334] __alloc_disk_node+0x2a8/0x450 [ 77.336323][ T5334] __blk_mq_alloc_disk+0xe8/0x154 [ 77.337130][ T5334] loop_add+0x240/0x6e0 [ 77.337842][ T5334] loop_control_ioctl+0x130/0x4e0 [ 77.338672][ T5334] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.339558][ T5334] invoke_syscall+0x98/0x2b0 [ 77.340317][ T5334] el0_svc_common+0x138/0x258 [ 77.341116][ T5334] do_el0_svc+0x58/0x13c [ 77.341850][ T5334] el0_svc+0x78/0x1d0 [ 77.342490][ T5334] el0t_64_sync_handler+0xcc/0xe4 [ 77.343295][ T5334] el0t_64_sync+0x1a0/0x1a4 [ 77.358217][ T5336] FAULT_INJECTION: forcing a failure. [ 77.358217][ T5336] name failslab, interval 1, probability 0, space 0, times 0 [ 77.361479][ T5336] CPU: 0 PID: 5336 Comm: syz.0.125 Tainted: G W syzkaller #0 [ 77.362833][ T5336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.364490][ T5336] Call trace: [ 77.365014][ T5336] dump_backtrace+0x0/0x458 [ 77.365774][ T5336] show_stack+0x2c/0x3c [ 77.366497][ T5336] __dump_stack+0x30/0x40 [ 77.367218][ T5336] dump_stack_lvl+0xf4/0x15c [ 77.367952][ T5336] dump_stack+0x1c/0x5c [ 77.368692][ T5336] should_fail+0x3bc/0x514 [ 77.369472][ T5336] __should_failslab+0xbc/0x10c [ 77.370216][ T5336] should_failslab+0x10/0x28 [ 77.371000][ T5336] slab_pre_alloc_hook+0x64/0xe8 [ 77.371857][ T5336] __kmalloc_track_caller+0x70/0x358 [ 77.372756][ T5336] kstrdup+0xe4/0x15c [ 77.373459][ T5336] kstrdup_const+0x54/0x6c [ 77.374185][ T5336] kvasprintf_const+0x120/0x2e4 [ 77.374993][ T5336] kobject_set_name_vargs+0xd8/0x1c8 [ 77.375874][ T5336] dev_set_name+0xe8/0x13c [ 77.376553][ T5336] device_add_disk+0x258/0xacc [ 77.377339][ T5336] loop_add+0x510/0x6e0 [ 77.377957][ T5336] loop_control_ioctl+0x130/0x4e0 [ 77.378772][ T5336] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.379555][ T5336] invoke_syscall+0x98/0x2b0 [ 77.380348][ T5336] el0_svc_common+0x138/0x258 [ 77.381276][ T5336] do_el0_svc+0x58/0x13c [ 77.382015][ T5336] el0_svc+0x78/0x1d0 [ 77.382657][ T5336] el0t_64_sync_handler+0xcc/0xe4 [ 77.383563][ T5336] el0t_64_sync+0x1a0/0x1a4 [ 77.395888][ T5338] FAULT_INJECTION: forcing a failure. [ 77.395888][ T5338] name failslab, interval 1, probability 0, space 0, times 0 [ 77.397768][ T5338] CPU: 0 PID: 5338 Comm: syz.0.126 Tainted: G W syzkaller #0 [ 77.399161][ T5338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.400784][ T5338] Call trace: [ 77.401349][ T5338] dump_backtrace+0x0/0x458 [ 77.402021][ T5338] show_stack+0x2c/0x3c [ 77.402645][ T5338] __dump_stack+0x30/0x40 [ 77.403369][ T5338] dump_stack_lvl+0xf4/0x15c [ 77.404049][ T5338] dump_stack+0x1c/0x5c [ 77.404681][ T5338] should_fail+0x3bc/0x514 [ 77.405467][ T5338] __should_failslab+0xbc/0x10c [ 77.406296][ T5338] should_failslab+0x10/0x28 [ 77.407149][ T5338] slab_pre_alloc_hook+0x64/0xe8 [ 77.407943][ T5338] kmem_cache_alloc+0x94/0x3d4 [ 77.408785][ T5338] security_inode_alloc+0x38/0x11c [ 77.409655][ T5338] inode_init_always+0x670/0xa84 [ 77.410489][ T5338] new_inode_pseudo+0x7c/0x1fc [ 77.411260][ T5338] new_inode+0x38/0x174 [ 77.411849][ T5338] bdev_alloc+0x30/0x1f8 [ 77.412510][ T5338] __alloc_disk_node+0xbc/0x450 [ 77.413257][ T5338] __blk_mq_alloc_disk+0xe8/0x154 [ 77.414099][ T5338] loop_add+0x240/0x6e0 [ 77.414798][ T5338] loop_control_ioctl+0x130/0x4e0 [ 77.415606][ T5338] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.416493][ T5338] invoke_syscall+0x98/0x2b0 [ 77.417580][ T5338] el0_svc_common+0x138/0x258 [ 77.418369][ T5338] do_el0_svc+0x58/0x13c [ 77.419104][ T5338] el0_svc+0x78/0x1d0 [ 77.419794][ T5338] el0t_64_sync_handler+0xcc/0xe4 [ 77.420612][ T5338] el0t_64_sync+0x1a0/0x1a4 [ 77.429277][ T5340] FAULT_INJECTION: forcing a failure. [ 77.429277][ T5340] name failslab, interval 1, probability 0, space 0, times 0 [ 77.432499][ T5340] CPU: 0 PID: 5340 Comm: syz.0.127 Tainted: G W syzkaller #0 [ 77.433861][ T5340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.435617][ T5340] Call trace: [ 77.436113][ T5340] dump_backtrace+0x0/0x458 [ 77.436838][ T5340] show_stack+0x2c/0x3c [ 77.437517][ T5340] __dump_stack+0x30/0x40 [ 77.438271][ T5340] dump_stack_lvl+0xf4/0x15c [ 77.439036][ T5340] dump_stack+0x1c/0x5c [ 77.439737][ T5340] should_fail+0x3bc/0x514 [ 77.440459][ T5340] __should_failslab+0xbc/0x10c [ 77.441242][ T5340] should_failslab+0x10/0x28 [ 77.441955][ T5340] slab_pre_alloc_hook+0x64/0xe8 [ 77.442778][ T5340] kmem_cache_alloc_trace+0x98/0x3ec [ 77.443692][ T5340] rand_initialize_disk+0x58/0xb8 [ 77.444585][ T5340] __alloc_disk_node+0x2a8/0x450 [ 77.445411][ T5340] __blk_mq_alloc_disk+0xe8/0x154 [ 77.446226][ T5340] loop_add+0x240/0x6e0 [ 77.446923][ T5340] loop_control_ioctl+0x130/0x4e0 [ 77.447716][ T5340] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.448491][ T5340] invoke_syscall+0x98/0x2b0 [ 77.449217][ T5340] el0_svc_common+0x138/0x258 [ 77.450059][ T5340] do_el0_svc+0x58/0x13c [ 77.450842][ T5340] el0_svc+0x78/0x1d0 [ 77.451528][ T5340] el0t_64_sync_handler+0xcc/0xe4 [ 77.452409][ T5340] el0t_64_sync+0x1a0/0x1a4 [ 77.463828][ T5342] FAULT_INJECTION: forcing a failure. [ 77.463828][ T5342] name failslab, interval 1, probability 0, space 0, times 0 [ 77.465678][ T5342] CPU: 0 PID: 5342 Comm: syz.0.128 Tainted: G W syzkaller #0 [ 77.466946][ T5342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.468431][ T5342] Call trace: [ 77.468882][ T5342] dump_backtrace+0x0/0x458 [ 77.469547][ T5342] show_stack+0x2c/0x3c [ 77.470164][ T5342] __dump_stack+0x30/0x40 [ 77.470869][ T5342] dump_stack_lvl+0xf4/0x15c [ 77.471697][ T5342] dump_stack+0x1c/0x5c [ 77.472418][ T5342] should_fail+0x3bc/0x514 [ 77.473171][ T5342] __should_failslab+0xbc/0x10c [ 77.474026][ T5342] should_failslab+0x10/0x28 [ 77.474756][ T5342] slab_pre_alloc_hook+0x64/0xe8 [ 77.475575][ T5342] __kmalloc_track_caller+0x70/0x358 [ 77.476430][ T5342] kstrdup+0xe4/0x15c [ 77.477063][ T5342] kstrdup_const+0x54/0x6c [ 77.477803][ T5342] kvasprintf_const+0x120/0x2e4 [ 77.478684][ T5342] kobject_set_name_vargs+0xd8/0x1c8 [ 77.479552][ T5342] dev_set_name+0xe8/0x13c [ 77.480334][ T5342] device_add_disk+0x258/0xacc [ 77.480349][ T5342] loop_add+0x510/0x6e0 [ 77.480359][ T5342] loop_control_ioctl+0x130/0x4e0 [ 77.480367][ T5342] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.480374][ T5342] invoke_syscall+0x98/0x2b0 [ 77.480380][ T5342] el0_svc_common+0x138/0x258 [ 77.484885][ T5342] do_el0_svc+0x58/0x13c [ 77.485590][ T5342] el0_svc+0x78/0x1d0 [ 77.486276][ T5342] el0t_64_sync_handler+0xcc/0xe4 [ 77.487156][ T5342] el0t_64_sync+0x1a0/0x1a4 [ 77.497051][ T5344] FAULT_INJECTION: forcing a failure. [ 77.497051][ T5344] name failslab, interval 1, probability 0, space 0, times 0 [ 77.498930][ T5344] CPU: 0 PID: 5344 Comm: syz.0.129 Tainted: G W syzkaller #0 [ 77.500244][ T5344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.501821][ T5344] Call trace: [ 77.502329][ T5344] dump_backtrace+0x0/0x458 [ 77.503020][ T5344] show_stack+0x2c/0x3c [ 77.503720][ T5344] __dump_stack+0x30/0x40 [ 77.504488][ T5344] dump_stack_lvl+0xf4/0x15c [ 77.505287][ T5344] dump_stack+0x1c/0x5c [ 77.506035][ T5344] should_fail+0x3bc/0x514 [ 77.506703][ T5344] __should_failslab+0xbc/0x10c [ 77.507501][ T5344] should_failslab+0x10/0x28 [ 77.508228][ T5344] slab_pre_alloc_hook+0x64/0xe8 [ 77.509027][ T5344] __kmalloc_track_caller+0x70/0x358 [ 77.509881][ T5344] kstrdup+0xe4/0x15c [ 77.510650][ T5344] kstrdup_const+0x54/0x6c [ 77.511261][ T5344] kvasprintf_const+0x120/0x2e4 [ 77.512072][ T5344] kobject_set_name_vargs+0xd8/0x1c8 [ 77.513002][ T5344] dev_set_name+0xe8/0x13c [ 77.513778][ T5344] device_add_disk+0x258/0xacc [ 77.514592][ T5344] loop_add+0x510/0x6e0 [ 77.515314][ T5344] loop_control_ioctl+0x130/0x4e0 [ 77.516122][ T5344] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.516900][ T5344] invoke_syscall+0x98/0x2b0 [ 77.517665][ T5344] el0_svc_common+0x138/0x258 [ 77.518357][ T5344] do_el0_svc+0x58/0x13c [ 77.519052][ T5344] el0_svc+0x78/0x1d0 [ 77.519739][ T5344] el0t_64_sync_handler+0xcc/0xe4 [ 77.520534][ T5344] el0t_64_sync+0x1a0/0x1a4 [ 77.531600][ T5346] FAULT_INJECTION: forcing a failure. [ 77.531600][ T5346] name failslab, interval 1, probability 0, space 0, times 0 [ 77.533660][ T5346] CPU: 1 PID: 5346 Comm: syz.0.130 Tainted: G W syzkaller #0 [ 77.534964][ T5346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.536606][ T5346] Call trace: [ 77.537197][ T5346] dump_backtrace+0x0/0x458 [ 77.537951][ T5346] show_stack+0x2c/0x3c [ 77.538639][ T5346] __dump_stack+0x30/0x40 [ 77.539397][ T5346] dump_stack_lvl+0xf4/0x15c [ 77.540163][ T5346] dump_stack+0x1c/0x5c [ 77.540854][ T5346] should_fail+0x3bc/0x514 [ 77.541559][ T5346] __should_failslab+0xbc/0x10c [ 77.542407][ T5346] should_failslab+0x10/0x28 [ 77.543221][ T5346] slab_pre_alloc_hook+0x64/0xe8 [ 77.544094][ T5346] kmem_cache_alloc+0x94/0x3d4 [ 77.544974][ T5346] security_inode_alloc+0x38/0x11c [ 77.545904][ T5346] inode_init_always+0x670/0xa84 [ 77.546702][ T5346] new_inode_pseudo+0x7c/0x1fc [ 77.547486][ T5346] new_inode+0x38/0x174 [ 77.548195][ T5346] bdev_alloc+0x30/0x1f8 [ 77.548916][ T5346] __alloc_disk_node+0xbc/0x450 [ 77.549831][ T5346] __blk_mq_alloc_disk+0xe8/0x154 [ 77.550634][ T5346] loop_add+0x240/0x6e0 [ 77.551334][ T5346] loop_control_ioctl+0x130/0x4e0 [ 77.552207][ T5346] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.552982][ T5346] invoke_syscall+0x98/0x2b0 [ 77.553729][ T5346] el0_svc_common+0x138/0x258 [ 77.554487][ T5346] do_el0_svc+0x58/0x13c [ 77.555175][ T5346] el0_svc+0x78/0x1d0 [ 77.555792][ T5346] el0t_64_sync_handler+0xcc/0xe4 [ 77.556606][ T5346] el0t_64_sync+0x1a0/0x1a4 [ 77.566792][ T5348] FAULT_INJECTION: forcing a failure. [ 77.566792][ T5348] name failslab, interval 1, probability 0, space 0, times 0 [ 77.568959][ T5348] CPU: 0 PID: 5348 Comm: syz.0.131 Tainted: G W syzkaller #0 [ 77.570321][ T5348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.571874][ T5348] Call trace: [ 77.572393][ T5348] dump_backtrace+0x0/0x458 [ 77.573121][ T5348] show_stack+0x2c/0x3c [ 77.573859][ T5348] __dump_stack+0x30/0x40 [ 77.574501][ T5348] dump_stack_lvl+0xf4/0x15c [ 77.575311][ T5348] dump_stack+0x1c/0x5c [ 77.576072][ T5348] should_fail+0x3bc/0x514 [ 77.576793][ T5348] __should_failslab+0xbc/0x10c [ 77.577609][ T5348] should_failslab+0x10/0x28 [ 77.578337][ T5348] slab_pre_alloc_hook+0x64/0xe8 [ 77.579078][ T5348] __kmalloc_track_caller+0x70/0x358 [ 77.580020][ T5348] kstrdup+0xe4/0x15c [ 77.580669][ T5348] kstrdup_const+0x54/0x6c [ 77.581418][ T5348] kvasprintf_const+0x120/0x2e4 [ 77.582245][ T5348] kobject_set_name_vargs+0xd8/0x1c8 [ 77.583069][ T5348] dev_set_name+0xe8/0x13c [ 77.583794][ T5348] device_add_disk+0x258/0xacc [ 77.584611][ T5348] loop_add+0x510/0x6e0 [ 77.585305][ T5348] loop_control_ioctl+0x130/0x4e0 [ 77.586186][ T5348] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.587010][ T5348] invoke_syscall+0x98/0x2b0 [ 77.587767][ T5348] el0_svc_common+0x138/0x258 [ 77.588562][ T5348] do_el0_svc+0x58/0x13c [ 77.589295][ T5348] el0_svc+0x78/0x1d0 [ 77.589969][ T5348] el0t_64_sync_handler+0xcc/0xe4 [ 77.590813][ T5348] el0t_64_sync+0x1a0/0x1a4 [ 77.600957][ T5350] FAULT_INJECTION: forcing a failure. [ 77.600957][ T5350] name failslab, interval 1, probability 0, space 0, times 0 [ 77.603017][ T5350] CPU: 0 PID: 5350 Comm: syz.0.132 Tainted: G W syzkaller #0 [ 77.604503][ T5350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.606080][ T5350] Call trace: [ 77.606666][ T5350] dump_backtrace+0x0/0x458 [ 77.607417][ T5350] show_stack+0x2c/0x3c [ 77.608140][ T5350] __dump_stack+0x30/0x40 [ 77.608839][ T5350] dump_stack_lvl+0xf4/0x15c [ 77.609610][ T5350] dump_stack+0x1c/0x5c [ 77.610343][ T5350] should_fail+0x3bc/0x514 [ 77.611052][ T5350] __should_failslab+0xbc/0x10c [ 77.611807][ T5350] should_failslab+0x10/0x28 [ 77.612574][ T5350] slab_pre_alloc_hook+0x64/0xe8 [ 77.613386][ T5350] __kmalloc_track_caller+0x70/0x358 [ 77.614237][ T5350] kstrdup+0xe4/0x15c [ 77.614912][ T5350] kstrdup_const+0x54/0x6c [ 77.615688][ T5350] kvasprintf_const+0x120/0x2e4 [ 77.616513][ T5350] kobject_set_name_vargs+0xd8/0x1c8 [ 77.617386][ T5350] dev_set_name+0xe8/0x13c [ 77.618115][ T5350] device_add_disk+0x258/0xacc [ 77.618912][ T5350] loop_add+0x510/0x6e0 [ 77.619579][ T5350] loop_control_ioctl+0x130/0x4e0 [ 77.620451][ T5350] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.621310][ T5350] invoke_syscall+0x98/0x2b0 [ 77.622148][ T5350] el0_svc_common+0x138/0x258 [ 77.622968][ T5350] do_el0_svc+0x58/0x13c [ 77.623730][ T5350] el0_svc+0x78/0x1d0 [ 77.624353][ T5350] el0t_64_sync_handler+0xcc/0xe4 [ 77.625163][ T5350] el0t_64_sync+0x1a0/0x1a4 [ 77.635827][ T5352] FAULT_INJECTION: forcing a failure. [ 77.635827][ T5352] name failslab, interval 1, probability 0, space 0, times 0 [ 77.637945][ T5352] CPU: 1 PID: 5352 Comm: syz.0.133 Tainted: G W syzkaller #0 [ 77.639359][ T5352] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.641064][ T5352] Call trace: [ 77.641628][ T5352] dump_backtrace+0x0/0x458 [ 77.642415][ T5352] show_stack+0x2c/0x3c [ 77.643136][ T5352] __dump_stack+0x30/0x40 [ 77.643897][ T5352] dump_stack_lvl+0xf4/0x15c [ 77.644666][ T5352] dump_stack+0x1c/0x5c [ 77.645333][ T5352] should_fail+0x3bc/0x514 [ 77.646079][ T5352] __should_failslab+0xbc/0x10c [ 77.646831][ T5352] should_failslab+0x10/0x28 [ 77.647649][ T5352] slab_pre_alloc_hook+0x64/0xe8 [ 77.648485][ T5352] __kmalloc_track_caller+0x70/0x358 [ 77.649400][ T5352] kstrdup+0xe4/0x15c [ 77.650090][ T5352] kstrdup_const+0x54/0x6c [ 77.650894][ T5352] kvasprintf_const+0x120/0x2e4 [ 77.651692][ T5352] kobject_set_name_vargs+0xd8/0x1c8 [ 77.652581][ T5352] dev_set_name+0xe8/0x13c [ 77.653307][ T5352] device_add_disk+0x258/0xacc [ 77.654116][ T5352] loop_add+0x510/0x6e0 [ 77.654832][ T5352] loop_control_ioctl+0x130/0x4e0 [ 77.655666][ T5352] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.656536][ T5352] invoke_syscall+0x98/0x2b0 [ 77.657323][ T5352] el0_svc_common+0x138/0x258 [ 77.658098][ T5352] do_el0_svc+0x58/0x13c [ 77.658744][ T5352] el0_svc+0x78/0x1d0 [ 77.659435][ T5352] el0t_64_sync_handler+0xcc/0xe4 [ 77.660279][ T5352] el0t_64_sync+0x1a0/0x1a4 [ 77.675450][ T5354] FAULT_INJECTION: forcing a failure. [ 77.675450][ T5354] name failslab, interval 1, probability 0, space 0, times 0 [ 77.677528][ T5354] CPU: 1 PID: 5354 Comm: syz.0.134 Tainted: G W syzkaller #0 [ 77.679043][ T5354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.680758][ T5354] Call trace: [ 77.681285][ T5354] dump_backtrace+0x0/0x458 [ 77.682147][ T5354] show_stack+0x2c/0x3c [ 77.682875][ T5354] __dump_stack+0x30/0x40 [ 77.683623][ T5354] dump_stack_lvl+0xf4/0x15c [ 77.684413][ T5354] dump_stack+0x1c/0x5c [ 77.685095][ T5354] should_fail+0x3bc/0x514 [ 77.685807][ T5354] __should_failslab+0xbc/0x10c [ 77.686601][ T5354] should_failslab+0x10/0x28 [ 77.687392][ T5354] slab_pre_alloc_hook+0x64/0xe8 [ 77.688234][ T5354] kmem_cache_alloc_trace+0x98/0x3ec [ 77.689079][ T5354] rand_initialize_disk+0x58/0xb8 [ 77.689884][ T5354] __alloc_disk_node+0x2a8/0x450 [ 77.690725][ T5354] __blk_mq_alloc_disk+0xe8/0x154 [ 77.691580][ T5354] loop_add+0x240/0x6e0 [ 77.692232][ T5354] loop_control_ioctl+0x130/0x4e0 [ 77.693082][ T5354] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.693941][ T5354] invoke_syscall+0x98/0x2b0 [ 77.694662][ T5354] el0_svc_common+0x138/0x258 [ 77.695469][ T5354] do_el0_svc+0x58/0x13c [ 77.696230][ T5354] el0_svc+0x78/0x1d0 [ 77.696876][ T5354] el0t_64_sync_handler+0xcc/0xe4 [ 77.697719][ T5354] el0t_64_sync+0x1a0/0x1a4 [ 77.711177][ T5356] FAULT_INJECTION: forcing a failure. [ 77.711177][ T5356] name failslab, interval 1, probability 0, space 0, times 0 [ 77.713196][ T5356] CPU: 1 PID: 5356 Comm: syz.0.135 Tainted: G W syzkaller #0 [ 77.714626][ T5356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.716285][ T5356] Call trace: [ 77.716797][ T5356] dump_backtrace+0x0/0x458 [ 77.717630][ T5356] show_stack+0x2c/0x3c [ 77.718299][ T5356] __dump_stack+0x30/0x40 [ 77.719046][ T5356] dump_stack_lvl+0xf4/0x15c [ 77.719802][ T5356] dump_stack+0x1c/0x5c [ 77.720498][ T5356] should_fail+0x3bc/0x514 [ 77.721283][ T5356] __should_failslab+0xbc/0x10c [ 77.722111][ T5356] should_failslab+0x10/0x28 [ 77.722863][ T5356] slab_pre_alloc_hook+0x64/0xe8 [ 77.723683][ T5356] __kmalloc_track_caller+0x70/0x358 [ 77.724549][ T5356] kstrdup+0xe4/0x15c [ 77.725252][ T5356] kstrdup_const+0x54/0x6c [ 77.725979][ T5356] kvasprintf_const+0x120/0x2e4 [ 77.726840][ T5356] kobject_set_name_vargs+0xd8/0x1c8 [ 77.727795][ T5356] dev_set_name+0xe8/0x13c [ 77.728554][ T5356] device_add_disk+0x258/0xacc [ 77.729432][ T5356] loop_add+0x510/0x6e0 [ 77.730172][ T5356] loop_control_ioctl+0x130/0x4e0 [ 77.731027][ T5356] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.731789][ T5356] invoke_syscall+0x98/0x2b0 [ 77.732605][ T5356] el0_svc_common+0x138/0x258 [ 77.733419][ T5356] do_el0_svc+0x58/0x13c [ 77.734137][ T5356] el0_svc+0x78/0x1d0 [ 77.734816][ T5356] el0t_64_sync_handler+0xcc/0xe4 [ 77.735606][ T5356] el0t_64_sync+0x1a0/0x1a4 [ 77.746408][ T5358] FAULT_INJECTION: forcing a failure. [ 77.746408][ T5358] name failslab, interval 1, probability 0, space 0, times 0 [ 77.748412][ T5358] CPU: 1 PID: 5358 Comm: syz.0.136 Tainted: G W syzkaller #0 [ 77.749786][ T5358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.751440][ T5358] Call trace: [ 77.752081][ T5358] dump_backtrace+0x0/0x458 [ 77.752901][ T5358] show_stack+0x2c/0x3c [ 77.753610][ T5358] __dump_stack+0x30/0x40 [ 77.754302][ T5358] dump_stack_lvl+0xf4/0x15c [ 77.754973][ T5358] dump_stack+0x1c/0x5c [ 77.755708][ T5358] should_fail+0x3bc/0x514 [ 77.756495][ T5358] __should_failslab+0xbc/0x10c [ 77.757311][ T5358] should_failslab+0x10/0x28 [ 77.758103][ T5358] slab_pre_alloc_hook+0x64/0xe8 [ 77.758980][ T5358] kmem_cache_alloc+0x94/0x3d4 [ 77.759789][ T5358] security_inode_alloc+0x38/0x11c [ 77.760686][ T5358] inode_init_always+0x670/0xa84 [ 77.761503][ T5358] new_inode_pseudo+0x7c/0x1fc [ 77.762314][ T5358] new_inode+0x38/0x174 [ 77.763017][ T5358] bdev_alloc+0x30/0x1f8 [ 77.763697][ T5358] __alloc_disk_node+0xbc/0x450 [ 77.764434][ T5358] __blk_mq_alloc_disk+0xe8/0x154 [ 77.765234][ T5358] loop_add+0x240/0x6e0 [ 77.765864][ T5358] loop_control_ioctl+0x130/0x4e0 [ 77.766720][ T5358] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.767583][ T5358] invoke_syscall+0x98/0x2b0 [ 77.768345][ T5358] el0_svc_common+0x138/0x258 [ 77.769175][ T5358] do_el0_svc+0x58/0x13c [ 77.769847][ T5358] el0_svc+0x78/0x1d0 [ 77.770503][ T5358] el0t_64_sync_handler+0xcc/0xe4 [ 77.771394][ T5358] el0t_64_sync+0x1a0/0x1a4 [ 77.782812][ T5360] FAULT_INJECTION: forcing a failure. [ 77.782812][ T5360] name failslab, interval 1, probability 0, space 0, times 0 [ 77.784984][ T5360] CPU: 1 PID: 5360 Comm: syz.0.137 Tainted: G W syzkaller #0 [ 77.786535][ T5360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.788085][ T5360] Call trace: [ 77.788640][ T5360] dump_backtrace+0x0/0x458 [ 77.789426][ T5360] show_stack+0x2c/0x3c [ 77.790126][ T5360] __dump_stack+0x30/0x40 [ 77.790858][ T5360] dump_stack_lvl+0xf4/0x15c [ 77.791607][ T5360] dump_stack+0x1c/0x5c [ 77.792302][ T5360] should_fail+0x3bc/0x514 [ 77.793021][ T5360] __should_failslab+0xbc/0x10c [ 77.793851][ T5360] should_failslab+0x10/0x28 [ 77.794575][ T5360] slab_pre_alloc_hook+0x64/0xe8 [ 77.795368][ T5360] __kmalloc_track_caller+0x70/0x358 [ 77.796229][ T5360] kstrdup+0xe4/0x15c [ 77.796843][ T5360] kstrdup_const+0x54/0x6c [ 77.797533][ T5360] kvasprintf_const+0x120/0x2e4 [ 77.798241][ T5360] kobject_set_name_vargs+0xd8/0x1c8 [ 77.799112][ T5360] dev_set_name+0xe8/0x13c [ 77.799846][ T5360] device_add_disk+0x258/0xacc [ 77.800697][ T5360] loop_add+0x510/0x6e0 [ 77.801427][ T5360] loop_control_ioctl+0x130/0x4e0 [ 77.802338][ T5360] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.803186][ T5360] invoke_syscall+0x98/0x2b0 [ 77.803928][ T5360] el0_svc_common+0x138/0x258 [ 77.804709][ T5360] do_el0_svc+0x58/0x13c [ 77.805462][ T5360] el0_svc+0x78/0x1d0 [ 77.806081][ T5360] el0t_64_sync_handler+0xcc/0xe4 [ 77.806901][ T5360] el0t_64_sync+0x1a0/0x1a4 [ 77.815456][ T5362] FAULT_INJECTION: forcing a failure. [ 77.815456][ T5362] name failslab, interval 1, probability 0, space 0, times 0 [ 77.817588][ T5362] CPU: 0 PID: 5362 Comm: syz.0.138 Tainted: G W syzkaller #0 [ 77.819151][ T5362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.820846][ T5362] Call trace: [ 77.821385][ T5362] dump_backtrace+0x0/0x458 [ 77.822125][ T5362] show_stack+0x2c/0x3c [ 77.822811][ T5362] __dump_stack+0x30/0x40 [ 77.823547][ T5362] dump_stack_lvl+0xf4/0x15c [ 77.824305][ T5362] dump_stack+0x1c/0x5c [ 77.825035][ T5362] should_fail+0x3bc/0x514 [ 77.825788][ T5362] __should_failslab+0xbc/0x10c [ 77.826683][ T5362] should_failslab+0x10/0x28 [ 77.827479][ T5362] slab_pre_alloc_hook+0x64/0xe8 [ 77.828241][ T5362] kmem_cache_alloc_trace+0x98/0x3ec [ 77.829207][ T5362] rand_initialize_disk+0x58/0xb8 [ 77.830087][ T5362] __alloc_disk_node+0x2a8/0x450 [ 77.830947][ T5362] __blk_mq_alloc_disk+0xe8/0x154 [ 77.831833][ T5362] loop_add+0x240/0x6e0 [ 77.832569][ T5362] loop_control_ioctl+0x130/0x4e0 [ 77.833403][ T5362] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.834232][ T5362] invoke_syscall+0x98/0x2b0 [ 77.834962][ T5362] el0_svc_common+0x138/0x258 [ 77.835787][ T5362] do_el0_svc+0x58/0x13c [ 77.836546][ T5362] el0_svc+0x78/0x1d0 [ 77.837232][ T5362] el0t_64_sync_handler+0xcc/0xe4 [ 77.838170][ T5362] el0t_64_sync+0x1a0/0x1a4 [ 77.852790][ T5364] FAULT_INJECTION: forcing a failure. [ 77.852790][ T5364] name failslab, interval 1, probability 0, space 0, times 0 [ 77.854778][ T5364] CPU: 1 PID: 5364 Comm: syz.0.139 Tainted: G W syzkaller #0 [ 77.856133][ T5364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.857598][ T5364] Call trace: [ 77.858071][ T5364] dump_backtrace+0x0/0x458 [ 77.858724][ T5364] show_stack+0x2c/0x3c [ 77.859323][ T5364] __dump_stack+0x30/0x40 [ 77.860023][ T5364] dump_stack_lvl+0xf4/0x15c [ 77.860817][ T5364] dump_stack+0x1c/0x5c [ 77.861543][ T5364] should_fail+0x3bc/0x514 [ 77.862247][ T5364] __should_failslab+0xbc/0x10c [ 77.862981][ T5364] should_failslab+0x10/0x28 [ 77.863756][ T5364] slab_pre_alloc_hook+0x64/0xe8 [ 77.864548][ T5364] __kmalloc_track_caller+0x70/0x358 [ 77.865348][ T5364] kstrdup+0xe4/0x15c [ 77.865971][ T5364] kstrdup_const+0x54/0x6c [ 77.866632][ T5364] kvasprintf_const+0x120/0x2e4 [ 77.867449][ T5364] kobject_set_name_vargs+0xd8/0x1c8 [ 77.868269][ T5364] dev_set_name+0xe8/0x13c [ 77.869136][ T5364] device_add_disk+0x258/0xacc [ 77.869973][ T5364] loop_add+0x510/0x6e0 [ 77.870704][ T5364] loop_control_ioctl+0x130/0x4e0 [ 77.871670][ T5364] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.872526][ T5364] invoke_syscall+0x98/0x2b0 [ 77.873249][ T5364] el0_svc_common+0x138/0x258 [ 77.874050][ T5364] do_el0_svc+0x58/0x13c [ 77.874676][ T5364] el0_svc+0x78/0x1d0 [ 77.875326][ T5364] el0t_64_sync_handler+0xcc/0xe4 [ 77.876150][ T5364] el0t_64_sync+0x1a0/0x1a4 [ 77.886438][ T5366] FAULT_INJECTION: forcing a failure. [ 77.886438][ T5366] name failslab, interval 1, probability 0, space 0, times 0 [ 77.889124][ T5366] CPU: 0 PID: 5366 Comm: syz.0.140 Tainted: G W syzkaller #0 [ 77.890569][ T5366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.892261][ T5366] Call trace: [ 77.892815][ T5366] dump_backtrace+0x0/0x458 [ 77.893560][ T5366] show_stack+0x2c/0x3c [ 77.894244][ T5366] __dump_stack+0x30/0x40 [ 77.894927][ T5366] dump_stack_lvl+0xf4/0x15c [ 77.895694][ T5366] dump_stack+0x1c/0x5c [ 77.896371][ T5366] should_fail+0x3bc/0x514 [ 77.897101][ T5366] __should_failslab+0xbc/0x10c [ 77.897903][ T5366] should_failslab+0x10/0x28 [ 77.898689][ T5366] slab_pre_alloc_hook+0x64/0xe8 [ 77.899519][ T5366] __kmalloc_track_caller+0x70/0x358 [ 77.900449][ T5366] kstrdup+0xe4/0x15c [ 77.901118][ T5366] kstrdup_const+0x54/0x6c [ 77.901800][ T5366] kvasprintf_const+0x120/0x2e4 [ 77.902659][ T5366] kobject_set_name_vargs+0xd8/0x1c8 [ 77.903530][ T5366] dev_set_name+0xe8/0x13c [ 77.904241][ T5366] device_add_disk+0x258/0xacc [ 77.905056][ T5366] loop_add+0x510/0x6e0 [ 77.905731][ T5366] loop_control_ioctl+0x130/0x4e0 [ 77.906539][ T5366] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.907385][ T5366] invoke_syscall+0x98/0x2b0 [ 77.908200][ T5366] el0_svc_common+0x138/0x258 [ 77.908990][ T5366] do_el0_svc+0x58/0x13c [ 77.909734][ T5366] el0_svc+0x78/0x1d0 [ 77.910393][ T5366] el0t_64_sync_handler+0xcc/0xe4 [ 77.911231][ T5366] el0t_64_sync+0x1a0/0x1a4 [ 77.923758][ T5368] FAULT_INJECTION: forcing a failure. [ 77.923758][ T5368] name failslab, interval 1, probability 0, space 0, times 0 [ 77.925745][ T5368] CPU: 1 PID: 5368 Comm: syz.0.141 Tainted: G W syzkaller #0 [ 77.927103][ T5368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.928767][ T5368] Call trace: [ 77.929246][ T5368] dump_backtrace+0x0/0x458 [ 77.930024][ T5368] show_stack+0x2c/0x3c [ 77.930709][ T5368] __dump_stack+0x30/0x40 [ 77.931399][ T5368] dump_stack_lvl+0xf4/0x15c [ 77.932125][ T5368] dump_stack+0x1c/0x5c [ 77.932814][ T5368] should_fail+0x3bc/0x514 [ 77.933633][ T5368] __should_failslab+0xbc/0x10c [ 77.934475][ T5368] should_failslab+0x10/0x28 [ 77.935261][ T5368] slab_pre_alloc_hook+0x64/0xe8 [ 77.936086][ T5368] __kmalloc_track_caller+0x70/0x358 [ 77.936995][ T5368] kstrdup+0xe4/0x15c [ 77.937620][ T5368] kstrdup_const+0x54/0x6c [ 77.938341][ T5368] kvasprintf_const+0x120/0x2e4 [ 77.939122][ T5368] kobject_set_name_vargs+0xd8/0x1c8 [ 77.939946][ T5368] dev_set_name+0xe8/0x13c [ 77.940676][ T5368] device_add_disk+0x258/0xacc [ 77.941553][ T5368] loop_add+0x510/0x6e0 [ 77.942295][ T5368] loop_control_ioctl+0x130/0x4e0 [ 77.943181][ T5368] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.944023][ T5368] invoke_syscall+0x98/0x2b0 [ 77.944799][ T5368] el0_svc_common+0x138/0x258 [ 77.945540][ T5368] do_el0_svc+0x58/0x13c [ 77.946230][ T5368] el0_svc+0x78/0x1d0 [ 77.946872][ T5368] el0t_64_sync_handler+0xcc/0xe4 [ 77.947654][ T5368] el0t_64_sync+0x1a0/0x1a4 [ 77.957203][ T5370] FAULT_INJECTION: forcing a failure. [ 77.957203][ T5370] name failslab, interval 1, probability 0, space 0, times 0 [ 77.959436][ T5370] CPU: 0 PID: 5370 Comm: syz.0.142 Tainted: G W syzkaller #0 [ 77.960824][ T5370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.962368][ T5370] Call trace: [ 77.962896][ T5370] dump_backtrace+0x0/0x458 [ 77.963676][ T5370] show_stack+0x2c/0x3c [ 77.964357][ T5370] __dump_stack+0x30/0x40 [ 77.965206][ T5370] dump_stack_lvl+0xf4/0x15c [ 77.966001][ T5370] dump_stack+0x1c/0x5c [ 77.966650][ T5370] should_fail+0x3bc/0x514 [ 77.967305][ T5370] __should_failslab+0xbc/0x10c [ 77.968034][ T5370] should_failslab+0x10/0x28 [ 77.968772][ T5370] slab_pre_alloc_hook+0x64/0xe8 [ 77.969630][ T5370] __kmalloc_track_caller+0x70/0x358 [ 77.970527][ T5370] kstrdup+0xe4/0x15c [ 77.971164][ T5370] kstrdup_const+0x54/0x6c [ 77.971991][ T5370] kvasprintf_const+0x120/0x2e4 [ 77.972795][ T5370] kobject_set_name_vargs+0xd8/0x1c8 [ 77.973659][ T5370] dev_set_name+0xe8/0x13c [ 77.974439][ T5370] device_add_disk+0x258/0xacc [ 77.975275][ T5370] loop_add+0x510/0x6e0 [ 77.975974][ T5370] loop_control_ioctl+0x130/0x4e0 [ 77.976802][ T5370] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.977681][ T5370] invoke_syscall+0x98/0x2b0 [ 77.978509][ T5370] el0_svc_common+0x138/0x258 [ 77.979339][ T5370] do_el0_svc+0x58/0x13c [ 77.980155][ T5370] el0_svc+0x78/0x1d0 [ 77.980792][ T5370] el0t_64_sync_handler+0xcc/0xe4 [ 77.981646][ T5370] el0t_64_sync+0x1a0/0x1a4 [ 77.992950][ T5372] FAULT_INJECTION: forcing a failure. [ 77.992950][ T5372] name failslab, interval 1, probability 0, space 0, times 0 [ 77.994993][ T5372] CPU: 0 PID: 5372 Comm: syz.0.143 Tainted: G W syzkaller #0 [ 77.996419][ T5372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 77.998175][ T5372] Call trace: [ 77.998672][ T5372] dump_backtrace+0x0/0x458 [ 77.999401][ T5372] show_stack+0x2c/0x3c [ 78.000045][ T5372] __dump_stack+0x30/0x40 [ 78.000697][ T5372] dump_stack_lvl+0xf4/0x15c [ 78.001472][ T5372] dump_stack+0x1c/0x5c [ 78.002132][ T5372] should_fail+0x3bc/0x514 [ 78.002902][ T5372] __should_failslab+0xbc/0x10c [ 78.003706][ T5372] should_failslab+0x10/0x28 [ 78.004494][ T5372] slab_pre_alloc_hook+0x64/0xe8 [ 78.005347][ T5372] __kmalloc_track_caller+0x70/0x358 [ 78.006249][ T5372] kstrdup+0xe4/0x15c [ 78.007036][ T5372] kstrdup_const+0x54/0x6c [ 78.007788][ T5372] kvasprintf_const+0x120/0x2e4 [ 78.008581][ T5372] kobject_set_name_vargs+0xd8/0x1c8 [ 78.009441][ T5372] dev_set_name+0xe8/0x13c [ 78.010199][ T5372] device_add_disk+0x258/0xacc [ 78.010968][ T5372] loop_add+0x510/0x6e0 [ 78.011680][ T5372] loop_control_ioctl+0x130/0x4e0 [ 78.012579][ T5372] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.013401][ T5372] invoke_syscall+0x98/0x2b0 [ 78.014135][ T5372] el0_svc_common+0x138/0x258 [ 78.014949][ T5372] do_el0_svc+0x58/0x13c [ 78.015683][ T5372] el0_svc+0x78/0x1d0 [ 78.016363][ T5372] el0t_64_sync_handler+0xcc/0xe4 [ 78.017217][ T5372] el0t_64_sync+0x1a0/0x1a4 [ 78.020628][ T7] Bluetooth: hci0: command 0x040f tx timeout [ 78.035933][ T5374] FAULT_INJECTION: forcing a failure. [ 78.035933][ T5374] name failslab, interval 1, probability 0, space 0, times 0 [ 78.038111][ T5374] CPU: 1 PID: 5374 Comm: syz.0.144 Tainted: G W syzkaller #0 [ 78.039518][ T5374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.041304][ T5374] Call trace: [ 78.041917][ T5374] dump_backtrace+0x0/0x458 [ 78.042715][ T5374] show_stack+0x2c/0x3c [ 78.043437][ T5374] __dump_stack+0x30/0x40 [ 78.044150][ T5374] dump_stack_lvl+0xf4/0x15c [ 78.044952][ T5374] dump_stack+0x1c/0x5c [ 78.045717][ T5374] should_fail+0x3bc/0x514 [ 78.046443][ T5374] __should_failslab+0xbc/0x10c [ 78.047296][ T5374] should_failslab+0x10/0x28 [ 78.048033][ T5374] slab_pre_alloc_hook+0x64/0xe8 [ 78.048880][ T5374] __kmalloc_track_caller+0x70/0x358 [ 78.049701][ T5374] kstrdup+0xe4/0x15c [ 78.050356][ T5374] kstrdup_const+0x54/0x6c [ 78.051108][ T5374] kvasprintf_const+0x120/0x2e4 [ 78.051915][ T5374] kobject_set_name_vargs+0xd8/0x1c8 [ 78.052855][ T5374] dev_set_name+0xe8/0x13c [ 78.053634][ T5374] device_add_disk+0x258/0xacc [ 78.054535][ T5374] loop_add+0x510/0x6e0 [ 78.055274][ T5374] loop_control_ioctl+0x130/0x4e0 [ 78.056189][ T5374] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.057032][ T5374] invoke_syscall+0x98/0x2b0 [ 78.057790][ T5374] el0_svc_common+0x138/0x258 [ 78.058561][ T5374] do_el0_svc+0x58/0x13c [ 78.059295][ T5374] el0_svc+0x78/0x1d0 [ 78.060013][ T5374] el0t_64_sync_handler+0xcc/0xe4 [ 78.060847][ T5374] el0t_64_sync+0x1a0/0x1a4 [ 78.070603][ T5376] FAULT_INJECTION: forcing a failure. [ 78.070603][ T5376] name failslab, interval 1, probability 0, space 0, times 0 [ 78.072729][ T5376] CPU: 1 PID: 5376 Comm: syz.0.145 Tainted: G W syzkaller #0 [ 78.074072][ T5376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.075787][ T5376] Call trace: [ 78.076327][ T5376] dump_backtrace+0x0/0x458 [ 78.077059][ T5376] show_stack+0x2c/0x3c [ 78.077761][ T5376] __dump_stack+0x30/0x40 [ 78.078577][ T5376] dump_stack_lvl+0xf4/0x15c [ 78.079374][ T5376] dump_stack+0x1c/0x5c [ 78.080071][ T5376] should_fail+0x3bc/0x514 [ 78.080865][ T5376] __should_failslab+0xbc/0x10c [ 78.081638][ T5376] should_failslab+0x10/0x28 [ 78.082411][ T5376] slab_pre_alloc_hook+0x64/0xe8 [ 78.083203][ T5376] __kmalloc_track_caller+0x70/0x358 [ 78.084176][ T5376] kstrdup+0xe4/0x15c [ 78.084920][ T5376] kstrdup_const+0x54/0x6c [ 78.085676][ T5376] kvasprintf_const+0x120/0x2e4 [ 78.086525][ T5376] kobject_set_name_vargs+0xd8/0x1c8 [ 78.087365][ T5376] dev_set_name+0xe8/0x13c [ 78.088110][ T5376] device_add_disk+0x258/0xacc [ 78.088858][ T5376] loop_add+0x510/0x6e0 [ 78.089521][ T5376] loop_control_ioctl+0x130/0x4e0 [ 78.090309][ T5376] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.091092][ T5376] invoke_syscall+0x98/0x2b0 [ 78.091984][ T5376] el0_svc_common+0x138/0x258 [ 78.092781][ T5376] do_el0_svc+0x58/0x13c [ 78.093479][ T5376] el0_svc+0x78/0x1d0 [ 78.094106][ T5376] el0t_64_sync_handler+0xcc/0xe4 [ 78.094977][ T5376] el0t_64_sync+0x1a0/0x1a4 [ 78.105386][ T5378] FAULT_INJECTION: forcing a failure. [ 78.105386][ T5378] name failslab, interval 1, probability 0, space 0, times 0 [ 78.107276][ T5378] CPU: 0 PID: 5378 Comm: syz.0.146 Tainted: G W syzkaller #0 [ 78.108594][ T5378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.110186][ T5378] Call trace: [ 78.110744][ T5378] dump_backtrace+0x0/0x458 [ 78.111550][ T5378] show_stack+0x2c/0x3c [ 78.112213][ T5378] __dump_stack+0x30/0x40 [ 78.112924][ T5378] dump_stack_lvl+0xf4/0x15c [ 78.113649][ T5378] dump_stack+0x1c/0x5c [ 78.114327][ T5378] should_fail+0x3bc/0x514 [ 78.115093][ T5378] __should_failslab+0xbc/0x10c [ 78.115873][ T5378] should_failslab+0x10/0x28 [ 78.116611][ T5378] slab_pre_alloc_hook+0x64/0xe8 [ 78.117378][ T5378] kmem_cache_alloc_trace+0x98/0x3ec [ 78.118239][ T5378] rand_initialize_disk+0x58/0xb8 [ 78.119066][ T5378] __alloc_disk_node+0x2a8/0x450 [ 78.119911][ T5378] __blk_mq_alloc_disk+0xe8/0x154 [ 78.120811][ T5378] loop_add+0x240/0x6e0 [ 78.121525][ T5378] loop_control_ioctl+0x130/0x4e0 [ 78.122387][ T5378] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.123248][ T5378] invoke_syscall+0x98/0x2b0 [ 78.124076][ T5378] el0_svc_common+0x138/0x258 [ 78.124869][ T5378] do_el0_svc+0x58/0x13c [ 78.125617][ T5378] el0_svc+0x78/0x1d0 [ 78.126288][ T5378] el0t_64_sync_handler+0xcc/0xe4 [ 78.127169][ T5378] el0t_64_sync+0x1a0/0x1a4 [ 78.141618][ T5380] FAULT_INJECTION: forcing a failure. [ 78.141618][ T5380] name failslab, interval 1, probability 0, space 0, times 0 [ 78.143657][ T5380] CPU: 1 PID: 5380 Comm: syz.0.147 Tainted: G W syzkaller #0 [ 78.145065][ T5380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.146677][ T5380] Call trace: [ 78.147225][ T5380] dump_backtrace+0x0/0x458 [ 78.148029][ T5380] show_stack+0x2c/0x3c [ 78.148714][ T5380] __dump_stack+0x30/0x40 [ 78.149441][ T5380] dump_stack_lvl+0xf4/0x15c [ 78.150264][ T5380] dump_stack+0x1c/0x5c [ 78.150989][ T5380] should_fail+0x3bc/0x514 [ 78.151686][ T5380] __should_failslab+0xbc/0x10c [ 78.152575][ T5380] should_failslab+0x10/0x28 [ 78.153419][ T5380] slab_pre_alloc_hook+0x64/0xe8 [ 78.154294][ T5380] __kmalloc_track_caller+0x70/0x358 [ 78.155195][ T5380] kstrdup+0xe4/0x15c [ 78.155879][ T5380] kstrdup_const+0x54/0x6c [ 78.156631][ T5380] kvasprintf_const+0x120/0x2e4 [ 78.157452][ T5380] kobject_set_name_vargs+0xd8/0x1c8 [ 78.158262][ T5380] dev_set_name+0xe8/0x13c [ 78.158989][ T5380] device_add_disk+0x258/0xacc [ 78.159753][ T5380] loop_add+0x510/0x6e0 [ 78.160479][ T5380] loop_control_ioctl+0x130/0x4e0 [ 78.161359][ T5380] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.162237][ T5380] invoke_syscall+0x98/0x2b0 [ 78.162967][ T5380] el0_svc_common+0x138/0x258 [ 78.163741][ T5380] do_el0_svc+0x58/0x13c [ 78.164442][ T5380] el0_svc+0x78/0x1d0 [ 78.165082][ T5380] el0t_64_sync_handler+0xcc/0xe4 [ 78.165956][ T5380] el0t_64_sync+0x1a0/0x1a4 [ 78.176760][ T5382] FAULT_INJECTION: forcing a failure. [ 78.176760][ T5382] name failslab, interval 1, probability 0, space 0, times 0 [ 78.179115][ T5382] CPU: 1 PID: 5382 Comm: syz.0.148 Tainted: G W syzkaller #0 [ 78.180465][ T5382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.182372][ T5382] Call trace: [ 78.182920][ T5382] dump_backtrace+0x0/0x458 [ 78.183686][ T5382] show_stack+0x2c/0x3c [ 78.184320][ T5382] __dump_stack+0x30/0x40 [ 78.185017][ T5382] dump_stack_lvl+0xf4/0x15c [ 78.185788][ T5382] dump_stack+0x1c/0x5c [ 78.186572][ T5382] should_fail+0x3bc/0x514 [ 78.187248][ T5382] __should_failslab+0xbc/0x10c [ 78.188038][ T5382] should_failslab+0x10/0x28 [ 78.188762][ T5382] slab_pre_alloc_hook+0x64/0xe8 [ 78.189612][ T5382] __kmalloc_track_caller+0x70/0x358 [ 78.190517][ T5382] kstrdup+0xe4/0x15c [ 78.191207][ T5382] kstrdup_const+0x54/0x6c [ 78.191956][ T5382] kvasprintf_const+0x120/0x2e4 [ 78.192748][ T5382] kobject_set_name_vargs+0xd8/0x1c8 [ 78.193648][ T5382] dev_set_name+0xe8/0x13c [ 78.194369][ T5382] device_add_disk+0x258/0xacc [ 78.195185][ T5382] loop_add+0x510/0x6e0 [ 78.195887][ T5382] loop_control_ioctl+0x130/0x4e0 [ 78.196696][ T5382] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.197492][ T5382] invoke_syscall+0x98/0x2b0 [ 78.198233][ T5382] el0_svc_common+0x138/0x258 [ 78.198967][ T5382] do_el0_svc+0x58/0x13c [ 78.199649][ T5382] el0_svc+0x78/0x1d0 [ 78.200267][ T5382] el0t_64_sync_handler+0xcc/0xe4 [ 78.201142][ T5382] el0t_64_sync+0x1a0/0x1a4 [ 78.211055][ T5384] FAULT_INJECTION: forcing a failure. [ 78.211055][ T5384] name failslab, interval 1, probability 0, space 0, times 0 [ 78.213076][ T5384] CPU: 0 PID: 5384 Comm: syz.0.149 Tainted: G W syzkaller #0 [ 78.214474][ T5384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.216075][ T5384] Call trace: [ 78.216607][ T5384] dump_backtrace+0x0/0x458 [ 78.217406][ T5384] show_stack+0x2c/0x3c [ 78.218160][ T5384] __dump_stack+0x30/0x40 [ 78.218911][ T5384] dump_stack_lvl+0xf4/0x15c [ 78.219670][ T5384] dump_stack+0x1c/0x5c [ 78.220315][ T5384] should_fail+0x3bc/0x514 [ 78.221020][ T5384] __should_failslab+0xbc/0x10c [ 78.221769][ T5384] should_failslab+0x10/0x28 [ 78.222535][ T5384] slab_pre_alloc_hook+0x64/0xe8 [ 78.223331][ T5384] __kmalloc_node+0xb8/0x508 [ 78.224089][ T5384] memcg_alloc_page_obj_cgroups+0x80/0x170 [ 78.225025][ T5384] new_slab+0x114/0x544 [ 78.225720][ T5384] ___slab_alloc+0x6b4/0xd8c [ 78.226490][ T5384] __slab_alloc+0x68/0xc0 [ 78.227200][ T5384] kmem_cache_alloc+0x2a4/0x3d4 [ 78.228039][ T5384] bdev_alloc_inode+0x24/0x60 [ 78.228825][ T5384] new_inode_pseudo+0x68/0x1fc [ 78.229646][ T5384] new_inode+0x38/0x174 [ 78.230371][ T5384] bdev_alloc+0x30/0x1f8 [ 78.231051][ T5384] __alloc_disk_node+0xbc/0x450 [ 78.231891][ T5384] __blk_mq_alloc_disk+0xe8/0x154 [ 78.232732][ T5384] loop_add+0x240/0x6e0 [ 78.233455][ T5384] loop_control_ioctl+0x130/0x4e0 [ 78.234302][ T5384] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.235106][ T5384] invoke_syscall+0x98/0x2b0 [ 78.235907][ T5384] el0_svc_common+0x138/0x258 [ 78.236730][ T5384] do_el0_svc+0x58/0x13c [ 78.237513][ T5384] el0_svc+0x78/0x1d0 [ 78.238212][ T5384] el0t_64_sync_handler+0xcc/0xe4 [ 78.239121][ T5384] el0t_64_sync+0x1a0/0x1a4 [ 78.253288][ T5386] FAULT_INJECTION: forcing a failure. [ 78.253288][ T5386] name failslab, interval 1, probability 0, space 0, times 0 [ 78.255680][ T5386] CPU: 1 PID: 5386 Comm: syz.0.150 Tainted: G W syzkaller #0 [ 78.257104][ T5386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.258834][ T5386] Call trace: [ 78.259389][ T5386] dump_backtrace+0x0/0x458 [ 78.260206][ T5386] show_stack+0x2c/0x3c [ 78.260863][ T5386] __dump_stack+0x30/0x40 [ 78.261495][ T5386] dump_stack_lvl+0xf4/0x15c [ 78.262166][ T5386] dump_stack+0x1c/0x5c [ 78.262784][ T5386] should_fail+0x3bc/0x514 [ 78.263568][ T5386] __should_failslab+0xbc/0x10c [ 78.264439][ T5386] should_failslab+0x10/0x28 [ 78.265200][ T5386] slab_pre_alloc_hook+0x64/0xe8 [ 78.266013][ T5386] __kmalloc_track_caller+0x70/0x358 [ 78.266892][ T5386] kstrdup+0xe4/0x15c [ 78.267613][ T5386] kstrdup_const+0x54/0x6c [ 78.268301][ T5386] kvasprintf_const+0x120/0x2e4 [ 78.269125][ T5386] kobject_set_name_vargs+0xd8/0x1c8 [ 78.269978][ T5386] dev_set_name+0xe8/0x13c [ 78.270704][ T5386] device_add_disk+0x258/0xacc [ 78.271408][ T5386] loop_add+0x510/0x6e0 [ 78.272077][ T5386] loop_control_ioctl+0x130/0x4e0 [ 78.273051][ T5386] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.273857][ T5386] invoke_syscall+0x98/0x2b0 [ 78.274621][ T5386] el0_svc_common+0x138/0x258 [ 78.275484][ T5386] do_el0_svc+0x58/0x13c [ 78.276280][ T5386] el0_svc+0x78/0x1d0 [ 78.276945][ T5386] el0t_64_sync_handler+0xcc/0xe4 [ 78.277804][ T5386] el0t_64_sync+0x1a0/0x1a4 [ 78.290537][ T5388] FAULT_INJECTION: forcing a failure. [ 78.290537][ T5388] name failslab, interval 1, probability 0, space 0, times 0 [ 78.292549][ T5388] CPU: 1 PID: 5388 Comm: syz.0.151 Tainted: G W syzkaller #0 [ 78.294059][ T5388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.295634][ T5388] Call trace: [ 78.296117][ T5388] dump_backtrace+0x0/0x458 [ 78.296827][ T5388] show_stack+0x2c/0x3c [ 78.297527][ T5388] __dump_stack+0x30/0x40 [ 78.298242][ T5388] dump_stack_lvl+0xf4/0x15c [ 78.299074][ T5388] dump_stack+0x1c/0x5c [ 78.299812][ T5388] should_fail+0x3bc/0x514 [ 78.300655][ T5388] __should_failslab+0xbc/0x10c [ 78.301537][ T5388] should_failslab+0x10/0x28 [ 78.302304][ T5388] slab_pre_alloc_hook+0x64/0xe8 [ 78.303187][ T5388] __kmalloc_track_caller+0x70/0x358 [ 78.304054][ T5388] kstrdup+0xe4/0x15c [ 78.304690][ T5388] kstrdup_const+0x54/0x6c [ 78.305415][ T5388] kvasprintf_const+0x120/0x2e4 [ 78.306233][ T5388] kobject_set_name_vargs+0xd8/0x1c8 [ 78.307052][ T5388] dev_set_name+0xe8/0x13c [ 78.307790][ T5388] device_add_disk+0x258/0xacc [ 78.308558][ T5388] loop_add+0x510/0x6e0 [ 78.309208][ T5388] loop_control_ioctl+0x130/0x4e0 [ 78.310012][ T5388] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.310863][ T5388] invoke_syscall+0x98/0x2b0 [ 78.311667][ T5388] el0_svc_common+0x138/0x258 [ 78.312481][ T5388] do_el0_svc+0x58/0x13c [ 78.313196][ T5388] el0_svc+0x78/0x1d0 [ 78.313837][ T5388] el0t_64_sync_handler+0xcc/0xe4 [ 78.314711][ T5388] el0t_64_sync+0x1a0/0x1a4 [ 78.324001][ T5390] FAULT_INJECTION: forcing a failure. [ 78.324001][ T5390] name failslab, interval 1, probability 0, space 0, times 0 [ 78.327442][ T5390] CPU: 1 PID: 5390 Comm: syz.0.152 Tainted: G W syzkaller #0 [ 78.328766][ T5390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.330372][ T5390] Call trace: [ 78.330888][ T5390] dump_backtrace+0x0/0x458 [ 78.331659][ T5390] show_stack+0x2c/0x3c [ 78.332287][ T5390] __dump_stack+0x30/0x40 [ 78.332957][ T5390] dump_stack_lvl+0xf4/0x15c [ 78.333713][ T5390] dump_stack+0x1c/0x5c [ 78.334346][ T5390] should_fail+0x3bc/0x514 [ 78.335041][ T5390] __should_failslab+0xbc/0x10c [ 78.335873][ T5390] should_failslab+0x10/0x28 [ 78.336642][ T5390] slab_pre_alloc_hook+0x64/0xe8 [ 78.337546][ T5390] __kmalloc_track_caller+0x70/0x358 [ 78.338431][ T5390] kstrdup+0xe4/0x15c [ 78.339095][ T5390] kstrdup_const+0x54/0x6c [ 78.339886][ T5390] kvasprintf_const+0x120/0x2e4 [ 78.340671][ T5390] kobject_set_name_vargs+0xd8/0x1c8 [ 78.341630][ T5390] dev_set_name+0xe8/0x13c [ 78.342361][ T5390] device_add_disk+0x258/0xacc [ 78.343142][ T5390] loop_add+0x510/0x6e0 [ 78.343946][ T5390] loop_control_ioctl+0x130/0x4e0 [ 78.344784][ T5390] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.345647][ T5390] invoke_syscall+0x98/0x2b0 [ 78.346411][ T5390] el0_svc_common+0x138/0x258 [ 78.347160][ T5390] do_el0_svc+0x58/0x13c [ 78.347826][ T5390] el0_svc+0x78/0x1d0 [ 78.348424][ T5390] el0t_64_sync_handler+0xcc/0xe4 [ 78.349283][ T5390] el0t_64_sync+0x1a0/0x1a4 [ 78.361017][ T5392] FAULT_INJECTION: forcing a failure. [ 78.361017][ T5392] name failslab, interval 1, probability 0, space 0, times 0 [ 78.363052][ T5392] CPU: 1 PID: 5392 Comm: syz.0.153 Tainted: G W syzkaller #0 [ 78.364436][ T5392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.366033][ T5392] Call trace: [ 78.366544][ T5392] dump_backtrace+0x0/0x458 [ 78.367228][ T5392] show_stack+0x2c/0x3c [ 78.367859][ T5392] __dump_stack+0x30/0x40 [ 78.368596][ T5392] dump_stack_lvl+0xf4/0x15c [ 78.369430][ T5392] dump_stack+0x1c/0x5c [ 78.370146][ T5392] should_fail+0x3bc/0x514 [ 78.370805][ T5392] __should_failslab+0xbc/0x10c [ 78.371732][ T5392] should_failslab+0x10/0x28 [ 78.372541][ T5392] slab_pre_alloc_hook+0x64/0xe8 [ 78.373475][ T5392] __kmalloc_track_caller+0x70/0x358 [ 78.374389][ T5392] kstrdup+0xe4/0x15c [ 78.375070][ T5392] kstrdup_const+0x54/0x6c [ 78.375770][ T5392] kvasprintf_const+0x120/0x2e4 [ 78.376522][ T5392] kobject_set_name_vargs+0xd8/0x1c8 [ 78.377364][ T5392] dev_set_name+0xe8/0x13c [ 78.378052][ T5392] device_add_disk+0x258/0xacc [ 78.378818][ T5392] loop_add+0x510/0x6e0 [ 78.379486][ T5392] loop_control_ioctl+0x130/0x4e0 [ 78.380341][ T5392] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.381180][ T5392] invoke_syscall+0x98/0x2b0 [ 78.381984][ T5392] el0_svc_common+0x138/0x258 [ 78.382709][ T5392] do_el0_svc+0x58/0x13c [ 78.383454][ T5392] el0_svc+0x78/0x1d0 [ 78.384144][ T5392] el0t_64_sync_handler+0xcc/0xe4 [ 78.384976][ T5392] el0t_64_sync+0x1a0/0x1a4 [ 78.394550][ T5394] FAULT_INJECTION: forcing a failure. [ 78.394550][ T5394] name failslab, interval 1, probability 0, space 0, times 0 [ 78.396538][ T5394] CPU: 1 PID: 5394 Comm: syz.0.154 Tainted: G W syzkaller #0 [ 78.397826][ T5394] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.399390][ T5394] Call trace: [ 78.399896][ T5394] dump_backtrace+0x0/0x458 [ 78.400683][ T5394] show_stack+0x2c/0x3c [ 78.401381][ T5394] __dump_stack+0x30/0x40 [ 78.402039][ T5394] dump_stack_lvl+0xf4/0x15c [ 78.402751][ T5394] dump_stack+0x1c/0x5c [ 78.403455][ T5394] should_fail+0x3bc/0x514 [ 78.404143][ T5394] __should_failslab+0xbc/0x10c [ 78.405098][ T5394] should_failslab+0x10/0x28 [ 78.405883][ T5394] slab_pre_alloc_hook+0x64/0xe8 [ 78.406752][ T5394] __kmalloc_track_caller+0x70/0x358 [ 78.407572][ T5394] kstrdup+0xe4/0x15c [ 78.408171][ T5394] kstrdup_const+0x54/0x6c [ 78.408923][ T5394] kvasprintf_const+0x120/0x2e4 [ 78.409785][ T5394] kobject_set_name_vargs+0xd8/0x1c8 [ 78.410740][ T5394] dev_set_name+0xe8/0x13c [ 78.411489][ T5394] device_add_disk+0x258/0xacc [ 78.412335][ T5394] loop_add+0x510/0x6e0 [ 78.413163][ T5394] loop_control_ioctl+0x130/0x4e0 [ 78.414006][ T5394] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.414784][ T5394] invoke_syscall+0x98/0x2b0 [ 78.415495][ T5394] el0_svc_common+0x138/0x258 [ 78.416265][ T5394] do_el0_svc+0x58/0x13c [ 78.416984][ T5394] el0_svc+0x78/0x1d0 [ 78.417703][ T5394] el0t_64_sync_handler+0xcc/0xe4 [ 78.418544][ T5394] el0t_64_sync+0x1a0/0x1a4 [ 78.428780][ T5396] FAULT_INJECTION: forcing a failure. [ 78.428780][ T5396] name failslab, interval 1, probability 0, space 0, times 0 [ 78.431680][ T5396] CPU: 0 PID: 5396 Comm: syz.0.155 Tainted: G W syzkaller #0 [ 78.433057][ T5396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.434718][ T5396] Call trace: [ 78.435287][ T5396] dump_backtrace+0x0/0x458 [ 78.436016][ T5396] show_stack+0x2c/0x3c [ 78.436744][ T5396] __dump_stack+0x30/0x40 [ 78.437524][ T5396] dump_stack_lvl+0xf4/0x15c [ 78.438258][ T5396] dump_stack+0x1c/0x5c [ 78.438947][ T5396] should_fail+0x3bc/0x514 [ 78.439654][ T5396] __should_failslab+0xbc/0x10c [ 78.440445][ T5396] should_failslab+0x10/0x28 [ 78.441233][ T5396] slab_pre_alloc_hook+0x64/0xe8 [ 78.442059][ T5396] __kmalloc_track_caller+0x70/0x358 [ 78.442909][ T5396] kstrdup+0xe4/0x15c [ 78.443593][ T5396] kstrdup_const+0x54/0x6c [ 78.444319][ T5396] kvasprintf_const+0x120/0x2e4 [ 78.445114][ T5396] kobject_set_name_vargs+0xd8/0x1c8 [ 78.445982][ T5396] dev_set_name+0xe8/0x13c [ 78.446665][ T5396] device_add_disk+0x258/0xacc [ 78.447393][ T5396] loop_add+0x510/0x6e0 [ 78.448075][ T5396] loop_control_ioctl+0x130/0x4e0 [ 78.448876][ T5396] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.449666][ T5396] invoke_syscall+0x98/0x2b0 [ 78.450397][ T5396] el0_svc_common+0x138/0x258 [ 78.451251][ T5396] do_el0_svc+0x58/0x13c [ 78.451986][ T5396] el0_svc+0x78/0x1d0 [ 78.452651][ T5396] el0t_64_sync_handler+0xcc/0xe4 [ 78.453578][ T5396] el0t_64_sync+0x1a0/0x1a4 [ 78.464730][ T5398] FAULT_INJECTION: forcing a failure. [ 78.464730][ T5398] name failslab, interval 1, probability 0, space 0, times 0 [ 78.466740][ T5398] CPU: 1 PID: 5398 Comm: syz.0.156 Tainted: G W syzkaller #0 [ 78.468108][ T5398] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.469819][ T5398] Call trace: [ 78.470407][ T5398] dump_backtrace+0x0/0x458 [ 78.471136][ T5398] show_stack+0x2c/0x3c [ 78.471827][ T5398] __dump_stack+0x30/0x40 [ 78.472609][ T5398] dump_stack_lvl+0xf4/0x15c [ 78.473363][ T5398] dump_stack+0x1c/0x5c [ 78.474042][ T5398] should_fail+0x3bc/0x514 [ 78.474753][ T5398] __should_failslab+0xbc/0x10c [ 78.475573][ T5398] should_failslab+0x10/0x28 [ 78.476294][ T5398] slab_pre_alloc_hook+0x64/0xe8 [ 78.477091][ T5398] kmem_cache_alloc+0x94/0x3d4 [ 78.477868][ T5398] security_inode_alloc+0x38/0x11c [ 78.478812][ T5398] inode_init_always+0x670/0xa84 [ 78.479613][ T5398] new_inode_pseudo+0x7c/0x1fc [ 78.480386][ T5398] new_inode+0x38/0x174 [ 78.481088][ T5398] bdev_alloc+0x30/0x1f8 [ 78.481854][ T5398] __alloc_disk_node+0xbc/0x450 [ 78.482662][ T5398] __blk_mq_alloc_disk+0xe8/0x154 [ 78.483513][ T5398] loop_add+0x240/0x6e0 [ 78.484283][ T5398] loop_control_ioctl+0x130/0x4e0 [ 78.485057][ T5398] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.485882][ T5398] invoke_syscall+0x98/0x2b0 [ 78.486685][ T5398] el0_svc_common+0x138/0x258 [ 78.487462][ T5398] do_el0_svc+0x58/0x13c [ 78.488147][ T5398] el0_svc+0x78/0x1d0 [ 78.488849][ T5398] el0t_64_sync_handler+0xcc/0xe4 [ 78.489729][ T5398] el0t_64_sync+0x1a0/0x1a4 [ 78.499627][ T5400] FAULT_INJECTION: forcing a failure. [ 78.499627][ T5400] name failslab, interval 1, probability 0, space 0, times 0 [ 78.503241][ T5400] CPU: 1 PID: 5400 Comm: syz.0.157 Tainted: G W syzkaller #0 [ 78.504671][ T5400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.506290][ T5400] Call trace: [ 78.506839][ T5400] dump_backtrace+0x0/0x458 [ 78.507507][ T5400] show_stack+0x2c/0x3c [ 78.508148][ T5400] __dump_stack+0x30/0x40 [ 78.508805][ T5400] dump_stack_lvl+0xf4/0x15c [ 78.509537][ T5400] dump_stack+0x1c/0x5c [ 78.510219][ T5400] should_fail+0x3bc/0x514 [ 78.510960][ T5400] __should_failslab+0xbc/0x10c [ 78.511735][ T5400] should_failslab+0x10/0x28 [ 78.512489][ T5400] slab_pre_alloc_hook+0x64/0xe8 [ 78.513289][ T5400] __kmalloc_track_caller+0x70/0x358 [ 78.514055][ T5400] kstrdup+0xe4/0x15c [ 78.514652][ T5400] kstrdup_const+0x54/0x6c [ 78.515332][ T5400] kvasprintf_const+0x120/0x2e4 [ 78.516108][ T5400] kobject_set_name_vargs+0xd8/0x1c8 [ 78.517028][ T5400] dev_set_name+0xe8/0x13c [ 78.517732][ T5400] device_add_disk+0x258/0xacc [ 78.518568][ T5400] loop_add+0x510/0x6e0 [ 78.519259][ T5400] loop_control_ioctl+0x130/0x4e0 [ 78.520112][ T5400] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.520915][ T5400] invoke_syscall+0x98/0x2b0 [ 78.521661][ T5400] el0_svc_common+0x138/0x258 [ 78.522453][ T5400] do_el0_svc+0x58/0x13c [ 78.523226][ T5400] el0_svc+0x78/0x1d0 [ 78.523822][ T5400] el0t_64_sync_handler+0xcc/0xe4 [ 78.524714][ T5400] el0t_64_sync+0x1a0/0x1a4 [ 78.533936][ T5402] FAULT_INJECTION: forcing a failure. [ 78.533936][ T5402] name failslab, interval 1, probability 0, space 0, times 0 [ 78.536009][ T5402] CPU: 0 PID: 5402 Comm: syz.0.158 Tainted: G W syzkaller #0 [ 78.537367][ T5402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.538876][ T5402] Call trace: [ 78.539376][ T5402] dump_backtrace+0x0/0x458 [ 78.540074][ T5402] show_stack+0x2c/0x3c [ 78.540803][ T5402] __dump_stack+0x30/0x40 [ 78.541556][ T5402] dump_stack_lvl+0xf4/0x15c [ 78.542344][ T5402] dump_stack+0x1c/0x5c [ 78.542985][ T5402] should_fail+0x3bc/0x514 [ 78.543750][ T5402] __should_failslab+0xbc/0x10c [ 78.544630][ T5402] should_failslab+0x10/0x28 [ 78.545428][ T5402] slab_pre_alloc_hook+0x64/0xe8 [ 78.546311][ T5402] kmem_cache_alloc+0x94/0x3d4 [ 78.547080][ T5402] __debug_object_init+0x6c4/0xa0c [ 78.547909][ T5402] debug_object_init+0x20/0x2c [ 78.548653][ T5402] __init_work+0x58/0x68 [ 78.549384][ T5402] wb_init+0x310/0x6e4 [ 78.550087][ T5402] bdi_init+0x1b4/0x2f4 [ 78.550771][ T5402] bdi_alloc+0x6c/0x144 [ 78.551441][ T5402] __alloc_disk_node+0x8c/0x450 [ 78.552271][ T5402] __blk_mq_alloc_disk+0xe8/0x154 [ 78.553150][ T5402] loop_add+0x240/0x6e0 [ 78.553848][ T5402] loop_control_ioctl+0x130/0x4e0 [ 78.554714][ T5402] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.555542][ T5402] invoke_syscall+0x98/0x2b0 [ 78.556315][ T5402] el0_svc_common+0x138/0x258 [ 78.557098][ T5402] do_el0_svc+0x58/0x13c [ 78.557843][ T5402] el0_svc+0x78/0x1d0 [ 78.558543][ T5402] el0t_64_sync_handler+0xcc/0xe4 [ 78.559456][ T5402] el0t_64_sync+0x1a0/0x1a4 [ 78.571293][ T5404] FAULT_INJECTION: forcing a failure. [ 78.571293][ T5404] name failslab, interval 1, probability 0, space 0, times 0 [ 78.573328][ T5404] CPU: 0 PID: 5404 Comm: syz.0.159 Tainted: G W syzkaller #0 [ 78.574702][ T5404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.576403][ T5404] Call trace: [ 78.576997][ T5404] dump_backtrace+0x0/0x458 [ 78.577770][ T5404] show_stack+0x2c/0x3c [ 78.578489][ T5404] __dump_stack+0x30/0x40 [ 78.579247][ T5404] dump_stack_lvl+0xf4/0x15c [ 78.580047][ T5404] dump_stack+0x1c/0x5c [ 78.580785][ T5404] should_fail+0x3bc/0x514 [ 78.581543][ T5404] __should_failslab+0xbc/0x10c [ 78.582424][ T5404] should_failslab+0x10/0x28 [ 78.583200][ T5404] slab_pre_alloc_hook+0x64/0xe8 [ 78.583995][ T5404] kmem_cache_alloc_trace+0x98/0x3ec [ 78.584896][ T5404] rand_initialize_disk+0x58/0xb8 [ 78.585800][ T5404] __alloc_disk_node+0x2a8/0x450 [ 78.586672][ T5404] __blk_mq_alloc_disk+0xe8/0x154 [ 78.587492][ T5404] loop_add+0x240/0x6e0 [ 78.588172][ T5404] loop_control_ioctl+0x130/0x4e0 [ 78.588999][ T5404] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.589863][ T5404] invoke_syscall+0x98/0x2b0 [ 78.590663][ T5404] el0_svc_common+0x138/0x258 [ 78.591507][ T5404] do_el0_svc+0x58/0x13c [ 78.592250][ T5404] el0_svc+0x78/0x1d0 [ 78.592902][ T5404] el0t_64_sync_handler+0xcc/0xe4 [ 78.593729][ T5404] el0t_64_sync+0x1a0/0x1a4 [ 78.606967][ T5406] FAULT_INJECTION: forcing a failure. [ 78.606967][ T5406] name failslab, interval 1, probability 0, space 0, times 0 [ 78.609174][ T5406] CPU: 1 PID: 5406 Comm: syz.0.160 Tainted: G W syzkaller #0 [ 78.610582][ T5406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.612223][ T5406] Call trace: [ 78.612756][ T5406] dump_backtrace+0x0/0x458 [ 78.613535][ T5406] show_stack+0x2c/0x3c [ 78.614224][ T5406] __dump_stack+0x30/0x40 [ 78.614946][ T5406] dump_stack_lvl+0xf4/0x15c [ 78.615703][ T5406] dump_stack+0x1c/0x5c [ 78.616387][ T5406] should_fail+0x3bc/0x514 [ 78.617090][ T5406] __should_failslab+0xbc/0x10c [ 78.617861][ T5406] should_failslab+0x10/0x28 [ 78.618628][ T5406] slab_pre_alloc_hook+0x64/0xe8 [ 78.619444][ T5406] kmem_cache_alloc_trace+0x98/0x3ec [ 78.620290][ T5406] rand_initialize_disk+0x58/0xb8 [ 78.621138][ T5406] __alloc_disk_node+0x2a8/0x450 [ 78.621947][ T5406] __blk_mq_alloc_disk+0xe8/0x154 [ 78.622769][ T5406] loop_add+0x240/0x6e0 [ 78.623454][ T5406] loop_control_ioctl+0x130/0x4e0 [ 78.624288][ T5406] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.625082][ T5406] invoke_syscall+0x98/0x2b0 [ 78.625819][ T5406] el0_svc_common+0x138/0x258 [ 78.626599][ T5406] do_el0_svc+0x58/0x13c [ 78.627277][ T5406] el0_svc+0x78/0x1d0 [ 78.627915][ T5406] el0t_64_sync_handler+0xcc/0xe4 [ 78.628725][ T5406] el0t_64_sync+0x1a0/0x1a4 [ 78.641848][ T5408] FAULT_INJECTION: forcing a failure. [ 78.641848][ T5408] name failslab, interval 1, probability 0, space 0, times 0 [ 78.643901][ T5408] CPU: 1 PID: 5408 Comm: syz.0.161 Tainted: G W syzkaller #0 [ 78.645152][ T5408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.646858][ T5408] Call trace: [ 78.647375][ T5408] dump_backtrace+0x0/0x458 [ 78.648127][ T5408] show_stack+0x2c/0x3c [ 78.648733][ T5408] __dump_stack+0x30/0x40 [ 78.649414][ T5408] dump_stack_lvl+0xf4/0x15c [ 78.650120][ T5408] dump_stack+0x1c/0x5c [ 78.650802][ T5408] should_fail+0x3bc/0x514 [ 78.651604][ T5408] __should_failslab+0xbc/0x10c [ 78.652362][ T5408] should_failslab+0x10/0x28 [ 78.653056][ T5408] slab_pre_alloc_hook+0x64/0xe8 [ 78.653847][ T5408] kmem_cache_alloc_trace+0x98/0x3ec [ 78.654712][ T5408] rand_initialize_disk+0x58/0xb8 [ 78.655484][ T5408] __alloc_disk_node+0x2a8/0x450 [ 78.656279][ T5408] __blk_mq_alloc_disk+0xe8/0x154 [ 78.657158][ T5408] loop_add+0x240/0x6e0 [ 78.657850][ T5408] loop_control_ioctl+0x130/0x4e0 [ 78.658708][ T5408] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.659531][ T5408] invoke_syscall+0x98/0x2b0 [ 78.660277][ T5408] el0_svc_common+0x138/0x258 [ 78.661053][ T5408] do_el0_svc+0x58/0x13c [ 78.661722][ T5408] el0_svc+0x78/0x1d0 [ 78.662366][ T5408] el0t_64_sync_handler+0xcc/0xe4 [ 78.663212][ T5408] el0t_64_sync+0x1a0/0x1a4 [ 78.674334][ T5410] FAULT_INJECTION: forcing a failure. [ 78.674334][ T5410] name failslab, interval 1, probability 0, space 0, times 0 [ 78.676305][ T5410] CPU: 0 PID: 5410 Comm: syz.0.162 Tainted: G W syzkaller #0 [ 78.677588][ T5410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.679104][ T5410] Call trace: [ 78.679606][ T5410] dump_backtrace+0x0/0x458 [ 78.680302][ T5410] show_stack+0x2c/0x3c [ 78.681003][ T5410] __dump_stack+0x30/0x40 [ 78.681742][ T5410] dump_stack_lvl+0xf4/0x15c [ 78.682406][ T5410] dump_stack+0x1c/0x5c [ 78.682998][ T5410] should_fail+0x3bc/0x514 [ 78.683666][ T5410] __should_failslab+0xbc/0x10c [ 78.684395][ T5410] should_failslab+0x10/0x28 [ 78.685220][ T5410] slab_pre_alloc_hook+0x64/0xe8 [ 78.686060][ T5410] kmem_cache_alloc+0x94/0x3d4 [ 78.686820][ T5410] __debug_object_init+0x6d8/0xa0c [ 78.687660][ T5410] debug_object_init+0x20/0x2c [ 78.688445][ T5410] __init_work+0x58/0x68 [ 78.689108][ T5410] blk_alloc_queue+0x17c/0x4a0 [ 78.689872][ T5410] __blk_mq_alloc_disk+0x5c/0x154 [ 78.690714][ T5410] loop_add+0x240/0x6e0 [ 78.691425][ T5410] loop_control_ioctl+0x130/0x4e0 [ 78.692254][ T5410] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.693055][ T5410] invoke_syscall+0x98/0x2b0 [ 78.693793][ T5410] el0_svc_common+0x138/0x258 [ 78.694547][ T5410] do_el0_svc+0x58/0x13c [ 78.695229][ T5410] el0_svc+0x78/0x1d0 [ 78.695910][ T5410] el0t_64_sync_handler+0xcc/0xe4 [ 78.696703][ T5410] el0t_64_sync+0x1a0/0x1a4 [ 78.712408][ T5412] FAULT_INJECTION: forcing a failure. [ 78.712408][ T5412] name failslab, interval 1, probability 0, space 0, times 0 [ 78.714536][ T5412] CPU: 1 PID: 5412 Comm: syz.0.163 Tainted: G W syzkaller #0 [ 78.715897][ T5412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.717510][ T5412] Call trace: [ 78.718056][ T5412] dump_backtrace+0x0/0x458 [ 78.718826][ T5412] show_stack+0x2c/0x3c [ 78.719543][ T5412] __dump_stack+0x30/0x40 [ 78.720278][ T5412] dump_stack_lvl+0xf4/0x15c [ 78.721019][ T5412] dump_stack+0x1c/0x5c [ 78.721668][ T5412] should_fail+0x3bc/0x514 [ 78.722363][ T5412] __should_failslab+0xbc/0x10c [ 78.723165][ T5412] should_failslab+0x10/0x28 [ 78.723928][ T5412] slab_pre_alloc_hook+0x64/0xe8 [ 78.724775][ T5412] kmem_cache_alloc_trace+0x98/0x3ec [ 78.725676][ T5412] rand_initialize_disk+0x58/0xb8 [ 78.726509][ T5412] __alloc_disk_node+0x2a8/0x450 [ 78.727227][ T5412] __blk_mq_alloc_disk+0xe8/0x154 [ 78.728013][ T5412] loop_add+0x240/0x6e0 [ 78.728669][ T5412] loop_control_ioctl+0x130/0x4e0 [ 78.729473][ T5412] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.730222][ T5412] invoke_syscall+0x98/0x2b0 [ 78.731005][ T5412] el0_svc_common+0x138/0x258 [ 78.731751][ T5412] do_el0_svc+0x58/0x13c [ 78.732390][ T5412] el0_svc+0x78/0x1d0 [ 78.733011][ T5412] el0t_64_sync_handler+0xcc/0xe4 [ 78.733817][ T5412] el0t_64_sync+0x1a0/0x1a4 [ 78.745143][ T5414] FAULT_INJECTION: forcing a failure. [ 78.745143][ T5414] name failslab, interval 1, probability 0, space 0, times 0 [ 78.747123][ T5414] CPU: 0 PID: 5414 Comm: syz.0.164 Tainted: G W syzkaller #0 [ 78.748450][ T5414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.749991][ T5414] Call trace: [ 78.750508][ T5414] dump_backtrace+0x0/0x458 [ 78.751233][ T5414] show_stack+0x2c/0x3c [ 78.751958][ T5414] __dump_stack+0x30/0x40 [ 78.752701][ T5414] dump_stack_lvl+0xf4/0x15c [ 78.753466][ T5414] dump_stack+0x1c/0x5c [ 78.754147][ T5414] should_fail+0x3bc/0x514 [ 78.754850][ T5414] __should_failslab+0xbc/0x10c [ 78.755625][ T5414] should_failslab+0x10/0x28 [ 78.756368][ T5414] slab_pre_alloc_hook+0x64/0xe8 [ 78.757245][ T5414] kmem_cache_alloc+0x94/0x3d4 [ 78.758056][ T5414] __debug_object_init+0x73c/0xa0c [ 78.758884][ T5414] debug_object_init+0x20/0x2c [ 78.759627][ T5414] init_timer_key+0x54/0x410 [ 78.760345][ T5414] blk_mq_realloc_hw_ctxs+0x514/0x133c [ 78.761260][ T5414] blk_mq_init_allocated_queue+0x36c/0x158c [ 78.762273][ T5414] __blk_mq_alloc_disk+0x88/0x154 [ 78.763119][ T5414] loop_add+0x240/0x6e0 [ 78.763801][ T5414] loop_control_ioctl+0x130/0x4e0 [ 78.764608][ T5414] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.765413][ T5414] invoke_syscall+0x98/0x2b0 [ 78.766170][ T5414] el0_svc_common+0x138/0x258 [ 78.766921][ T5414] do_el0_svc+0x58/0x13c [ 78.767644][ T5414] el0_svc+0x78/0x1d0 [ 78.768293][ T5414] el0t_64_sync_handler+0xcc/0xe4 [ 78.769086][ T5414] el0t_64_sync+0x1a0/0x1a4 [ 78.786480][ T5416] FAULT_INJECTION: forcing a failure. [ 78.786480][ T5416] name failslab, interval 1, probability 0, space 0, times 0 [ 78.788608][ T5416] CPU: 0 PID: 5416 Comm: syz.0.165 Tainted: G W syzkaller #0 [ 78.790030][ T5416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.791643][ T5416] Call trace: [ 78.792161][ T5416] dump_backtrace+0x0/0x458 [ 78.792887][ T5416] show_stack+0x2c/0x3c [ 78.793558][ T5416] __dump_stack+0x30/0x40 [ 78.794288][ T5416] dump_stack_lvl+0xf4/0x15c [ 78.795062][ T5416] dump_stack+0x1c/0x5c [ 78.795853][ T5416] should_fail+0x3bc/0x514 [ 78.796657][ T5416] __should_failslab+0xbc/0x10c [ 78.797498][ T5416] should_failslab+0x10/0x28 [ 78.798257][ T5416] slab_pre_alloc_hook+0x64/0xe8 [ 78.799019][ T5416] kmem_cache_alloc_trace+0x98/0x3ec [ 78.799938][ T5416] rand_initialize_disk+0x58/0xb8 [ 78.800765][ T5416] __alloc_disk_node+0x2a8/0x450 [ 78.801627][ T5416] __blk_mq_alloc_disk+0xe8/0x154 [ 78.802510][ T5416] loop_add+0x240/0x6e0 [ 78.803226][ T5416] loop_control_ioctl+0x130/0x4e0 [ 78.804033][ T5416] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.804900][ T5416] invoke_syscall+0x98/0x2b0 [ 78.805638][ T5416] el0_svc_common+0x138/0x258 [ 78.806384][ T5416] do_el0_svc+0x58/0x13c [ 78.807064][ T5416] el0_svc+0x78/0x1d0 [ 78.807701][ T5416] el0t_64_sync_handler+0xcc/0xe4 [ 78.808483][ T5416] el0t_64_sync+0x1a0/0x1a4 [ 78.818938][ T5418] FAULT_INJECTION: forcing a failure. [ 78.818938][ T5418] name failslab, interval 1, probability 0, space 0, times 0 [ 78.820906][ T5418] CPU: 1 PID: 5418 Comm: syz.0.166 Tainted: G W syzkaller #0 [ 78.822222][ T5418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.824063][ T5418] Call trace: [ 78.824635][ T5418] dump_backtrace+0x0/0x458 [ 78.825422][ T5418] show_stack+0x2c/0x3c [ 78.826125][ T5418] __dump_stack+0x30/0x40 [ 78.826869][ T5418] dump_stack_lvl+0xf4/0x15c [ 78.827659][ T5418] dump_stack+0x1c/0x5c [ 78.828345][ T5418] should_fail+0x3bc/0x514 [ 78.829036][ T5418] __should_failslab+0xbc/0x10c [ 78.829878][ T5418] should_failslab+0x10/0x28 [ 78.830618][ T5418] slab_pre_alloc_hook+0x64/0xe8 [ 78.831539][ T5418] kmem_cache_alloc+0x94/0x3d4 [ 78.832323][ T5418] __debug_object_init+0x7b0/0xa0c [ 78.833174][ T5418] debug_object_init+0x20/0x2c [ 78.833896][ T5418] __percpu_counter_init+0x10c/0x26c [ 78.834791][ T5418] blkg_rwstat_init+0x3c/0x2b8 [ 78.835548][ T5418] throtl_pd_alloc+0xf0/0x4ec [ 78.836295][ T5418] blkcg_activate_policy+0x204/0xa8c [ 78.837194][ T5418] blk_throtl_init+0x308/0x3ec [ 78.837983][ T5418] blkcg_init_queue+0x3cc/0x484 [ 78.838758][ T5418] blk_alloc_queue+0x3cc/0x4a0 [ 78.839569][ T5418] __blk_mq_alloc_disk+0x5c/0x154 [ 78.840431][ T5418] loop_add+0x240/0x6e0 [ 78.841138][ T5418] loop_control_ioctl+0x130/0x4e0 [ 78.842022][ T5418] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.842875][ T5418] invoke_syscall+0x98/0x2b0 [ 78.843594][ T5418] el0_svc_common+0x138/0x258 [ 78.844360][ T5418] do_el0_svc+0x58/0x13c [ 78.845085][ T5418] el0_svc+0x78/0x1d0 [ 78.845741][ T5418] el0t_64_sync_handler+0xcc/0xe4 [ 78.846556][ T5418] el0t_64_sync+0x1a0/0x1a4 [ 78.861475][ T5420] FAULT_INJECTION: forcing a failure. [ 78.861475][ T5420] name failslab, interval 1, probability 0, space 0, times 0 [ 78.863530][ T5420] CPU: 1 PID: 5420 Comm: syz.0.167 Tainted: G W syzkaller #0 [ 78.864975][ T5420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.866730][ T5420] Call trace: [ 78.867297][ T5420] dump_backtrace+0x0/0x458 [ 78.868014][ T5420] show_stack+0x2c/0x3c [ 78.868713][ T5420] __dump_stack+0x30/0x40 [ 78.869485][ T5420] dump_stack_lvl+0xf4/0x15c [ 78.870274][ T5420] dump_stack+0x1c/0x5c [ 78.870953][ T5420] should_fail+0x3bc/0x514 [ 78.871657][ T5420] __should_failslab+0xbc/0x10c [ 78.872451][ T5420] should_failslab+0x10/0x28 [ 78.873183][ T5420] slab_pre_alloc_hook+0x64/0xe8 [ 78.874022][ T5420] __kmalloc_track_caller+0x70/0x358 [ 78.874982][ T5420] kstrdup+0xe4/0x15c [ 78.875692][ T5420] kstrdup_const+0x54/0x6c [ 78.876437][ T5420] kvasprintf_const+0x120/0x2e4 [ 78.877234][ T5420] kobject_set_name_vargs+0xd8/0x1c8 [ 78.878059][ T5420] dev_set_name+0xe8/0x13c [ 78.878802][ T5420] device_add_disk+0x258/0xacc [ 78.879671][ T5420] loop_add+0x510/0x6e0 [ 78.880380][ T5420] loop_control_ioctl+0x130/0x4e0 [ 78.881258][ T5420] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.882084][ T5420] invoke_syscall+0x98/0x2b0 [ 78.882872][ T5420] el0_svc_common+0x138/0x258 [ 78.883577][ T5420] do_el0_svc+0x58/0x13c [ 78.884264][ T5420] el0_svc+0x78/0x1d0 [ 78.884938][ T5420] el0t_64_sync_handler+0xcc/0xe4 [ 78.885855][ T5420] el0t_64_sync+0x1a0/0x1a4 [ 78.895626][ T5422] FAULT_INJECTION: forcing a failure. [ 78.895626][ T5422] name failslab, interval 1, probability 0, space 0, times 0 [ 78.897603][ T5422] CPU: 1 PID: 5422 Comm: syz.0.168 Tainted: G W syzkaller #0 [ 78.899054][ T5422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.900602][ T5422] Call trace: [ 78.901127][ T5422] dump_backtrace+0x0/0x458 [ 78.901943][ T5422] show_stack+0x2c/0x3c [ 78.902604][ T5422] __dump_stack+0x30/0x40 [ 78.903385][ T5422] dump_stack_lvl+0xf4/0x15c [ 78.904183][ T5422] dump_stack+0x1c/0x5c [ 78.904870][ T5422] should_fail+0x3bc/0x514 [ 78.905626][ T5422] __should_failslab+0xbc/0x10c [ 78.906404][ T5422] should_failslab+0x10/0x28 [ 78.907123][ T5422] slab_pre_alloc_hook+0x64/0xe8 [ 78.907954][ T5422] kmem_cache_alloc_trace+0x98/0x3ec [ 78.908853][ T5422] blk_iolatency_init+0x64/0x430 [ 78.909671][ T5422] blkcg_init_queue+0x3f0/0x484 [ 78.910420][ T5422] blk_alloc_queue+0x3cc/0x4a0 [ 78.911155][ T5422] __blk_mq_alloc_disk+0x5c/0x154 [ 78.912012][ T5422] loop_add+0x240/0x6e0 [ 78.912719][ T5422] loop_control_ioctl+0x130/0x4e0 [ 78.913508][ T5422] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.914335][ T5422] invoke_syscall+0x98/0x2b0 [ 78.915094][ T5422] el0_svc_common+0x138/0x258 [ 78.915852][ T5422] do_el0_svc+0x58/0x13c [ 78.916521][ T5422] el0_svc+0x78/0x1d0 [ 78.917148][ T5422] el0t_64_sync_handler+0xcc/0xe4 [ 78.917970][ T5422] el0t_64_sync+0x1a0/0x1a4 [ 78.928980][ T5424] FAULT_INJECTION: forcing a failure. [ 78.928980][ T5424] name failslab, interval 1, probability 0, space 0, times 0 [ 78.931213][ T5424] CPU: 0 PID: 5424 Comm: syz.0.169 Tainted: G W syzkaller #0 [ 78.932535][ T5424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.934162][ T5424] Call trace: [ 78.934721][ T5424] dump_backtrace+0x0/0x458 [ 78.935469][ T5424] show_stack+0x2c/0x3c [ 78.936137][ T5424] __dump_stack+0x30/0x40 [ 78.936898][ T5424] dump_stack_lvl+0xf4/0x15c [ 78.937669][ T5424] dump_stack+0x1c/0x5c [ 78.938369][ T5424] should_fail+0x3bc/0x514 [ 78.939152][ T5424] __should_failslab+0xbc/0x10c [ 78.939931][ T5424] should_failslab+0x10/0x28 [ 78.940670][ T5424] slab_pre_alloc_hook+0x64/0xe8 [ 78.941445][ T5424] kmem_cache_alloc_trace+0x98/0x3ec [ 78.942345][ T5424] rand_initialize_disk+0x58/0xb8 [ 78.943173][ T5424] __alloc_disk_node+0x2a8/0x450 [ 78.943993][ T5424] __blk_mq_alloc_disk+0xe8/0x154 [ 78.944767][ T5424] loop_add+0x240/0x6e0 [ 78.945460][ T5424] loop_control_ioctl+0x130/0x4e0 [ 78.946348][ T5424] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.947213][ T5424] invoke_syscall+0x98/0x2b0 [ 78.948051][ T5424] el0_svc_common+0x138/0x258 [ 78.948894][ T5424] do_el0_svc+0x58/0x13c [ 78.949609][ T5424] el0_svc+0x78/0x1d0 [ 78.950302][ T5424] el0t_64_sync_handler+0xcc/0xe4 [ 78.951176][ T5424] el0t_64_sync+0x1a0/0x1a4 [ 78.963714][ T5426] FAULT_INJECTION: forcing a failure. [ 78.963714][ T5426] name failslab, interval 1, probability 0, space 0, times 0 [ 78.965980][ T5426] CPU: 1 PID: 5426 Comm: syz.0.170 Tainted: G W syzkaller #0 [ 78.967435][ T5426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 78.969095][ T5426] Call trace: [ 78.969633][ T5426] dump_backtrace+0x0/0x458 [ 78.970302][ T5426] show_stack+0x2c/0x3c [ 78.971033][ T5426] __dump_stack+0x30/0x40 [ 78.971807][ T5426] dump_stack_lvl+0xf4/0x15c [ 78.972569][ T5426] dump_stack+0x1c/0x5c [ 78.973263][ T5426] should_fail+0x3bc/0x514 [ 78.974002][ T5426] __should_failslab+0xbc/0x10c [ 78.974846][ T5426] should_failslab+0x10/0x28 [ 78.975647][ T5426] slab_pre_alloc_hook+0x64/0xe8 [ 78.976475][ T5426] __kmalloc_track_caller+0x70/0x358 [ 78.977342][ T5426] kstrdup+0xe4/0x15c [ 78.977938][ T5426] kstrdup_const+0x54/0x6c [ 78.978684][ T5426] kvasprintf_const+0x120/0x2e4 [ 78.979542][ T5426] kobject_set_name_vargs+0xd8/0x1c8 [ 78.980420][ T5426] dev_set_name+0xe8/0x13c [ 78.981167][ T5426] device_add_disk+0x258/0xacc [ 78.981970][ T5426] loop_add+0x510/0x6e0 [ 78.982693][ T5426] loop_control_ioctl+0x130/0x4e0 [ 78.983557][ T5426] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.984361][ T5426] invoke_syscall+0x98/0x2b0 [ 78.985113][ T5426] el0_svc_common+0x138/0x258 [ 78.985956][ T5426] do_el0_svc+0x58/0x13c [ 78.986684][ T5426] el0_svc+0x78/0x1d0 [ 78.987387][ T5426] el0t_64_sync_handler+0xcc/0xe4 [ 78.988255][ T5426] el0t_64_sync+0x1a0/0x1a4 [ 78.999984][ T5428] FAULT_INJECTION: forcing a failure. [ 78.999984][ T5428] name failslab, interval 1, probability 0, space 0, times 0 [ 79.002301][ T5428] CPU: 1 PID: 5428 Comm: syz.0.171 Tainted: G W syzkaller #0 [ 79.003737][ T5428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.005399][ T5428] Call trace: [ 79.005903][ T5428] dump_backtrace+0x0/0x458 [ 79.006609][ T5428] show_stack+0x2c/0x3c [ 79.007222][ T5428] __dump_stack+0x30/0x40 [ 79.007901][ T5428] dump_stack_lvl+0xf4/0x15c [ 79.008600][ T5428] dump_stack+0x1c/0x5c [ 79.009282][ T5428] should_fail+0x3bc/0x514 [ 79.010008][ T5428] __should_failslab+0xbc/0x10c [ 79.010851][ T5428] should_failslab+0x10/0x28 [ 79.011615][ T5428] slab_pre_alloc_hook+0x64/0xe8 [ 79.012386][ T5428] __kmalloc_track_caller+0x70/0x358 [ 79.013312][ T5428] kstrdup+0xe4/0x15c [ 79.013931][ T5428] kstrdup_const+0x54/0x6c [ 79.014662][ T5428] kvasprintf_const+0x120/0x2e4 [ 79.015539][ T5428] kobject_set_name_vargs+0xd8/0x1c8 [ 79.016360][ T5428] dev_set_name+0xe8/0x13c [ 79.017050][ T5428] device_add_disk+0x258/0xacc [ 79.017807][ T5428] loop_add+0x510/0x6e0 [ 79.018517][ T5428] loop_control_ioctl+0x130/0x4e0 [ 79.019300][ T5428] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.020064][ T5428] invoke_syscall+0x98/0x2b0 [ 79.020778][ T5428] el0_svc_common+0x138/0x258 [ 79.021537][ T5428] do_el0_svc+0x58/0x13c [ 79.022209][ T5428] el0_svc+0x78/0x1d0 [ 79.022927][ T5428] el0t_64_sync_handler+0xcc/0xe4 [ 79.023656][ T5428] el0t_64_sync+0x1a0/0x1a4 [ 79.032874][ T5430] FAULT_INJECTION: forcing a failure. [ 79.032874][ T5430] name failslab, interval 1, probability 0, space 0, times 0 [ 79.034976][ T5430] CPU: 1 PID: 5430 Comm: syz.0.172 Tainted: G W syzkaller #0 [ 79.036295][ T5430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.037812][ T5430] Call trace: [ 79.038311][ T5430] dump_backtrace+0x0/0x458 [ 79.038981][ T5430] show_stack+0x2c/0x3c [ 79.039622][ T5430] __dump_stack+0x30/0x40 [ 79.040325][ T5430] dump_stack_lvl+0xf4/0x15c [ 79.041008][ T5430] dump_stack+0x1c/0x5c [ 79.041651][ T5430] should_fail+0x3bc/0x514 [ 79.042313][ T5430] __should_failslab+0xbc/0x10c [ 79.043081][ T5430] should_failslab+0x10/0x28 [ 79.043797][ T5430] slab_pre_alloc_hook+0x64/0xe8 [ 79.044619][ T5430] kmem_cache_alloc_trace+0x98/0x3ec [ 79.045591][ T5430] blk_iolatency_init+0x64/0x430 [ 79.046462][ T5430] blkcg_init_queue+0x3f0/0x484 [ 79.047289][ T5430] blk_alloc_queue+0x3cc/0x4a0 [ 79.048120][ T5430] __blk_mq_alloc_disk+0x5c/0x154 [ 79.049027][ T5430] loop_add+0x240/0x6e0 [ 79.049773][ T5430] loop_control_ioctl+0x130/0x4e0 [ 79.050629][ T5430] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.051427][ T5430] invoke_syscall+0x98/0x2b0 [ 79.052277][ T5430] el0_svc_common+0x138/0x258 [ 79.053037][ T5430] do_el0_svc+0x58/0x13c [ 79.053746][ T5430] el0_svc+0x78/0x1d0 [ 79.054347][ T5430] el0t_64_sync_handler+0xcc/0xe4 [ 79.055146][ T5430] el0t_64_sync+0x1a0/0x1a4 [ 79.066366][ T5432] FAULT_INJECTION: forcing a failure. [ 79.066366][ T5432] name failslab, interval 1, probability 0, space 0, times 0 [ 79.068412][ T5432] CPU: 1 PID: 5432 Comm: syz.0.173 Tainted: G W syzkaller #0 [ 79.069839][ T5432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.071425][ T5432] Call trace: [ 79.071957][ T5432] dump_backtrace+0x0/0x458 [ 79.072666][ T5432] show_stack+0x2c/0x3c [ 79.073410][ T5432] __dump_stack+0x30/0x40 [ 79.074172][ T5432] dump_stack_lvl+0xf4/0x15c [ 79.074918][ T5432] dump_stack+0x1c/0x5c [ 79.075630][ T5432] should_fail+0x3bc/0x514 [ 79.076346][ T5432] __should_failslab+0xbc/0x10c [ 79.077128][ T5432] should_failslab+0x10/0x28 [ 79.077973][ T5432] slab_pre_alloc_hook+0x64/0xe8 [ 79.078824][ T5432] kmem_cache_alloc+0x94/0x3d4 [ 79.079555][ T5432] __debug_object_init+0x7c8/0xa0c [ 79.080395][ T5432] debug_object_init+0x20/0x2c [ 79.081175][ T5432] __percpu_counter_init+0x10c/0x26c [ 79.082093][ T5432] blkg_rwstat_init+0x164/0x2b8 [ 79.082893][ T5432] throtl_pd_alloc+0xc0/0x4ec [ 79.083720][ T5432] blkcg_activate_policy+0x204/0xa8c [ 79.084587][ T5432] blk_throtl_init+0x308/0x3ec [ 79.085386][ T5432] blkcg_init_queue+0x3cc/0x484 [ 79.086197][ T5432] blk_alloc_queue+0x3cc/0x4a0 [ 79.087025][ T5432] __blk_mq_alloc_disk+0x5c/0x154 [ 79.087885][ T5432] loop_add+0x240/0x6e0 [ 79.088589][ T5432] loop_control_ioctl+0x130/0x4e0 [ 79.089404][ T5432] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.090144][ T5432] invoke_syscall+0x98/0x2b0 [ 79.090841][ T5432] el0_svc_common+0x138/0x258 [ 79.091643][ T5432] do_el0_svc+0x58/0x13c [ 79.092417][ T5432] el0_svc+0x78/0x1d0 [ 79.093051][ T5432] el0t_64_sync_handler+0xcc/0xe4 [ 79.093904][ T5432] el0t_64_sync+0x1a0/0x1a4 [ 79.108915][ T5434] FAULT_INJECTION: forcing a failure. [ 79.108915][ T5434] name failslab, interval 1, probability 0, space 0, times 0 [ 79.111330][ T5434] CPU: 1 PID: 5434 Comm: syz.0.174 Tainted: G W syzkaller #0 [ 79.112841][ T5434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.114571][ T5434] Call trace: [ 79.115099][ T5434] dump_backtrace+0x0/0x458 [ 79.115854][ T5434] show_stack+0x2c/0x3c [ 79.116590][ T5434] __dump_stack+0x30/0x40 [ 79.117323][ T5434] dump_stack_lvl+0xf4/0x15c [ 79.118068][ T5434] dump_stack+0x1c/0x5c [ 79.118799][ T5434] should_fail+0x3bc/0x514 [ 79.119598][ T5434] __should_failslab+0xbc/0x10c [ 79.120483][ T5434] should_failslab+0x10/0x28 [ 79.121336][ T5434] slab_pre_alloc_hook+0x64/0xe8 [ 79.122238][ T5434] kmem_cache_alloc+0x94/0x3d4 [ 79.123038][ T5434] security_inode_alloc+0x38/0x11c [ 79.123901][ T5434] inode_init_always+0x670/0xa84 [ 79.124724][ T5434] new_inode_pseudo+0x7c/0x1fc [ 79.125563][ T5434] new_inode+0x38/0x174 [ 79.126285][ T5434] bdev_alloc+0x30/0x1f8 [ 79.127013][ T5434] __alloc_disk_node+0xbc/0x450 [ 79.127820][ T5434] __blk_mq_alloc_disk+0xe8/0x154 [ 79.128709][ T5434] loop_add+0x240/0x6e0 [ 79.129377][ T5434] loop_control_ioctl+0x130/0x4e0 [ 79.130185][ T5434] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.131001][ T5434] invoke_syscall+0x98/0x2b0 [ 79.131782][ T5434] el0_svc_common+0x138/0x258 [ 79.132562][ T5434] do_el0_svc+0x58/0x13c [ 79.133231][ T5434] el0_svc+0x78/0x1d0 [ 79.133897][ T5434] el0t_64_sync_handler+0xcc/0xe4 [ 79.134807][ T5434] el0t_64_sync+0x1a0/0x1a4 [ 79.145692][ T5436] FAULT_INJECTION: forcing a failure. [ 79.145692][ T5436] name failslab, interval 1, probability 0, space 0, times 0 [ 79.147754][ T5436] CPU: 0 PID: 5436 Comm: syz.0.175 Tainted: G W syzkaller #0 [ 79.149188][ T5436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.150849][ T5436] Call trace: [ 79.151409][ T5436] dump_backtrace+0x0/0x458 [ 79.152174][ T5436] show_stack+0x2c/0x3c [ 79.152851][ T5436] __dump_stack+0x30/0x40 [ 79.153560][ T5436] dump_stack_lvl+0xf4/0x15c [ 79.154328][ T5436] dump_stack+0x1c/0x5c [ 79.155020][ T5436] should_fail+0x3bc/0x514 [ 79.155752][ T5436] __should_failslab+0xbc/0x10c [ 79.156616][ T5436] should_failslab+0x10/0x28 [ 79.157455][ T5436] slab_pre_alloc_hook+0x64/0xe8 [ 79.158325][ T5436] __kmalloc_track_caller+0x70/0x358 [ 79.159198][ T5436] kstrdup+0xe4/0x15c [ 79.159896][ T5436] kstrdup_const+0x54/0x6c [ 79.160616][ T5436] kvasprintf_const+0x120/0x2e4 [ 79.161536][ T5436] kobject_set_name_vargs+0xd8/0x1c8 [ 79.162498][ T5436] dev_set_name+0xe8/0x13c [ 79.163263][ T5436] device_add_disk+0x258/0xacc [ 79.164107][ T5436] loop_add+0x510/0x6e0 [ 79.164781][ T5436] loop_control_ioctl+0x130/0x4e0 [ 79.165651][ T5436] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.166508][ T5436] invoke_syscall+0x98/0x2b0 [ 79.167272][ T5436] el0_svc_common+0x138/0x258 [ 79.168094][ T5436] do_el0_svc+0x58/0x13c [ 79.168807][ T5436] el0_svc+0x78/0x1d0 [ 79.169448][ T5436] el0t_64_sync_handler+0xcc/0xe4 [ 79.170241][ T5436] el0t_64_sync+0x1a0/0x1a4 [ 79.180398][ T5438] FAULT_INJECTION: forcing a failure. [ 79.180398][ T5438] name failslab, interval 1, probability 0, space 0, times 0 [ 79.182427][ T5438] CPU: 0 PID: 5438 Comm: syz.0.176 Tainted: G W syzkaller #0 [ 79.183866][ T5438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.185410][ T5438] Call trace: [ 79.185895][ T5438] dump_backtrace+0x0/0x458 [ 79.186570][ T5438] show_stack+0x2c/0x3c [ 79.187192][ T5438] __dump_stack+0x30/0x40 [ 79.187986][ T5438] dump_stack_lvl+0xf4/0x15c [ 79.188785][ T5438] dump_stack+0x1c/0x5c [ 79.189509][ T5438] should_fail+0x3bc/0x514 [ 79.190450][ T5438] __should_failslab+0xbc/0x10c [ 79.191293][ T5438] should_failslab+0x10/0x28 [ 79.192120][ T5438] slab_pre_alloc_hook+0x64/0xe8 [ 79.192994][ T5438] __kmalloc_track_caller+0x70/0x358 [ 79.193832][ T5438] kstrdup+0xe4/0x15c [ 79.194581][ T5438] kstrdup_const+0x54/0x6c [ 79.195416][ T5438] kvasprintf_const+0x120/0x2e4 [ 79.196202][ T5438] kobject_set_name_vargs+0xd8/0x1c8 [ 79.196991][ T5438] dev_set_name+0xe8/0x13c [ 79.197667][ T5438] device_add_disk+0x258/0xacc [ 79.198435][ T5438] loop_add+0x510/0x6e0 [ 79.199081][ T5438] loop_control_ioctl+0x130/0x4e0 [ 79.199875][ T5438] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.200758][ T5438] invoke_syscall+0x98/0x2b0 [ 79.201618][ T5438] el0_svc_common+0x138/0x258 [ 79.202438][ T5438] do_el0_svc+0x58/0x13c [ 79.203102][ T5438] el0_svc+0x78/0x1d0 [ 79.203778][ T5438] el0t_64_sync_handler+0xcc/0xe4 [ 79.204587][ T5438] el0t_64_sync+0x1a0/0x1a4 [ 79.214337][ T5440] FAULT_INJECTION: forcing a failure. [ 79.214337][ T5440] name failslab, interval 1, probability 0, space 0, times 0 [ 79.216348][ T5440] CPU: 0 PID: 5440 Comm: syz.0.177 Tainted: G W syzkaller #0 [ 79.217756][ T5440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.219302][ T5440] Call trace: [ 79.219792][ T5440] dump_backtrace+0x0/0x458 [ 79.220517][ T5440] show_stack+0x2c/0x3c [ 79.221283][ T5440] __dump_stack+0x30/0x40 [ 79.221960][ T5440] dump_stack_lvl+0xf4/0x15c [ 79.222723][ T5440] dump_stack+0x1c/0x5c [ 79.223459][ T5440] should_fail+0x3bc/0x514 [ 79.224270][ T5440] __should_failslab+0xbc/0x10c [ 79.225142][ T5440] should_failslab+0x10/0x28 [ 79.225970][ T5440] slab_pre_alloc_hook+0x64/0xe8 [ 79.226739][ T5440] __kmalloc_track_caller+0x70/0x358 [ 79.227609][ T5440] kstrdup+0xe4/0x15c [ 79.228263][ T5440] kstrdup_const+0x54/0x6c [ 79.228944][ T5440] kvasprintf_const+0x120/0x2e4 [ 79.229732][ T5440] kobject_set_name_vargs+0xd8/0x1c8 [ 79.230648][ T5440] dev_set_name+0xe8/0x13c [ 79.231352][ T5440] device_add_disk+0x258/0xacc [ 79.232198][ T5440] loop_add+0x510/0x6e0 [ 79.232900][ T5440] loop_control_ioctl+0x130/0x4e0 [ 79.233741][ T5440] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.234575][ T5440] invoke_syscall+0x98/0x2b0 [ 79.235297][ T5440] el0_svc_common+0x138/0x258 [ 79.236096][ T5440] do_el0_svc+0x58/0x13c [ 79.236801][ T5440] el0_svc+0x78/0x1d0 [ 79.237482][ T5440] el0t_64_sync_handler+0xcc/0xe4 [ 79.238361][ T5440] el0t_64_sync+0x1a0/0x1a4 [ 79.248268][ T5442] FAULT_INJECTION: forcing a failure. [ 79.248268][ T5442] name failslab, interval 1, probability 0, space 0, times 0 [ 79.250433][ T5442] CPU: 0 PID: 5442 Comm: syz.0.178 Tainted: G W syzkaller #0 [ 79.251963][ T5442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.253682][ T5442] Call trace: [ 79.254253][ T5442] dump_backtrace+0x0/0x458 [ 79.254991][ T5442] show_stack+0x2c/0x3c [ 79.255617][ T5442] __dump_stack+0x30/0x40 [ 79.256375][ T5442] dump_stack_lvl+0xf4/0x15c [ 79.257051][ T5442] dump_stack+0x1c/0x5c [ 79.257817][ T5442] should_fail+0x3bc/0x514 [ 79.258485][ T5442] __should_failslab+0xbc/0x10c [ 79.259367][ T5442] should_failslab+0x10/0x28 [ 79.260176][ T5442] slab_pre_alloc_hook+0x64/0xe8 [ 79.261044][ T5442] kmem_cache_alloc+0x94/0x3d4 [ 79.261812][ T5442] __debug_object_init+0x7b0/0xa0c [ 79.262736][ T5442] debug_object_init+0x20/0x2c [ 79.263551][ T5442] __percpu_counter_init+0x10c/0x26c [ 79.264516][ T5442] blkg_rwstat_init+0x164/0x2b8 [ 79.265352][ T5442] throtl_pd_alloc+0xf0/0x4ec [ 79.266173][ T5442] blkcg_activate_policy+0x204/0xa8c [ 79.267068][ T5442] blk_throtl_init+0x308/0x3ec [ 79.267904][ T5442] blkcg_init_queue+0x3cc/0x484 [ 79.268772][ T5442] blk_alloc_queue+0x3cc/0x4a0 [ 79.269541][ T5442] __blk_mq_alloc_disk+0x5c/0x154 [ 79.270392][ T5442] loop_add+0x240/0x6e0 [ 79.271056][ T5442] loop_control_ioctl+0x130/0x4e0 [ 79.271886][ T5442] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.272628][ T5442] invoke_syscall+0x98/0x2b0 [ 79.273464][ T5442] el0_svc_common+0x138/0x258 [ 79.274268][ T5442] do_el0_svc+0x58/0x13c [ 79.274988][ T5442] el0_svc+0x78/0x1d0 [ 79.275635][ T5442] el0t_64_sync_handler+0xcc/0xe4 [ 79.276475][ T5442] el0t_64_sync+0x1a0/0x1a4 [ 79.297135][ T5444] FAULT_INJECTION: forcing a failure. [ 79.297135][ T5444] name failslab, interval 1, probability 0, space 0, times 0 [ 79.299252][ T5444] CPU: 1 PID: 5444 Comm: syz.0.179 Tainted: G W syzkaller #0 [ 79.300707][ T5444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.302496][ T5444] Call trace: [ 79.303134][ T5444] dump_backtrace+0x0/0x458 [ 79.303935][ T5444] show_stack+0x2c/0x3c [ 79.304669][ T5444] __dump_stack+0x30/0x40 [ 79.305451][ T5444] dump_stack_lvl+0xf4/0x15c [ 79.306233][ T5444] dump_stack+0x1c/0x5c [ 79.306993][ T5444] should_fail+0x3bc/0x514 [ 79.307736][ T5444] __should_failslab+0xbc/0x10c [ 79.308548][ T5444] should_failslab+0x10/0x28 [ 79.309374][ T5444] slab_pre_alloc_hook+0x64/0xe8 [ 79.310208][ T5444] __kmalloc_track_caller+0x70/0x358 [ 79.311104][ T5444] kstrdup+0xe4/0x15c [ 79.311779][ T5444] kstrdup_const+0x54/0x6c [ 79.312574][ T5444] kvasprintf_const+0x120/0x2e4 [ 79.313402][ T5444] kobject_set_name_vargs+0xd8/0x1c8 [ 79.314273][ T5444] dev_set_name+0xe8/0x13c [ 79.315012][ T5444] device_add_disk+0x258/0xacc [ 79.315783][ T5444] loop_add+0x510/0x6e0 [ 79.316465][ T5444] loop_control_ioctl+0x130/0x4e0 [ 79.317332][ T5444] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.318121][ T5444] invoke_syscall+0x98/0x2b0 [ 79.318841][ T5444] el0_svc_common+0x138/0x258 [ 79.319663][ T5444] do_el0_svc+0x58/0x13c [ 79.320378][ T5444] el0_svc+0x78/0x1d0 [ 79.321028][ T5444] el0t_64_sync_handler+0xcc/0xe4 [ 79.321816][ T5444] el0t_64_sync+0x1a0/0x1a4 [ 79.333332][ T5446] FAULT_INJECTION: forcing a failure. [ 79.333332][ T5446] name failslab, interval 1, probability 0, space 0, times 0 [ 79.335306][ T5446] CPU: 1 PID: 5446 Comm: syz.0.180 Tainted: G W syzkaller #0 [ 79.336764][ T5446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.338320][ T5446] Call trace: [ 79.338913][ T5446] dump_backtrace+0x0/0x458 [ 79.339650][ T5446] show_stack+0x2c/0x3c [ 79.340339][ T5446] __dump_stack+0x30/0x40 [ 79.341079][ T5446] dump_stack_lvl+0xf4/0x15c [ 79.341857][ T5446] dump_stack+0x1c/0x5c [ 79.342599][ T5446] should_fail+0x3bc/0x514 [ 79.343377][ T5446] __should_failslab+0xbc/0x10c [ 79.344247][ T5446] should_failslab+0x10/0x28 [ 79.345029][ T5446] slab_pre_alloc_hook+0x64/0xe8 [ 79.345860][ T5446] __kmalloc_track_caller+0x70/0x358 [ 79.346767][ T5446] kstrdup+0xe4/0x15c [ 79.347367][ T5446] kstrdup_const+0x54/0x6c [ 79.348067][ T5446] kvasprintf_const+0x120/0x2e4 [ 79.348827][ T5446] kobject_set_name_vargs+0xd8/0x1c8 [ 79.349701][ T5446] dev_set_name+0xe8/0x13c [ 79.350481][ T5446] device_add_disk+0x258/0xacc [ 79.351296][ T5446] loop_add+0x510/0x6e0 [ 79.352026][ T5446] loop_control_ioctl+0x130/0x4e0 [ 79.352909][ T5446] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.353754][ T5446] invoke_syscall+0x98/0x2b0 [ 79.354493][ T5446] el0_svc_common+0x138/0x258 [ 79.355238][ T5446] do_el0_svc+0x58/0x13c [ 79.355893][ T5446] el0_svc+0x78/0x1d0 [ 79.356554][ T5446] el0t_64_sync_handler+0xcc/0xe4 [ 79.357473][ T5446] el0t_64_sync+0x1a0/0x1a4 [ 79.366595][ T5448] FAULT_INJECTION: forcing a failure. [ 79.366595][ T5448] name failslab, interval 1, probability 0, space 0, times 0 [ 79.368543][ T5448] CPU: 0 PID: 5448 Comm: syz.0.181 Tainted: G W syzkaller #0 [ 79.370042][ T5448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.371704][ T5448] Call trace: [ 79.372275][ T5448] dump_backtrace+0x0/0x458 [ 79.373057][ T5448] show_stack+0x2c/0x3c [ 79.373773][ T5448] __dump_stack+0x30/0x40 [ 79.374564][ T5448] dump_stack_lvl+0xf4/0x15c [ 79.375412][ T5448] dump_stack+0x1c/0x5c [ 79.376116][ T5448] should_fail+0x3bc/0x514 [ 79.376874][ T5448] __should_failslab+0xbc/0x10c [ 79.377671][ T5448] should_failslab+0x10/0x28 [ 79.378369][ T5448] slab_pre_alloc_hook+0x64/0xe8 [ 79.379159][ T5448] kmem_cache_alloc+0x94/0x3d4 [ 79.379961][ T5448] security_inode_alloc+0x38/0x11c [ 79.380876][ T5448] inode_init_always+0x670/0xa84 [ 79.381753][ T5448] new_inode_pseudo+0x7c/0x1fc [ 79.382594][ T5448] new_inode+0x38/0x174 [ 79.383297][ T5448] bdev_alloc+0x30/0x1f8 [ 79.384013][ T5448] __alloc_disk_node+0xbc/0x450 [ 79.384823][ T5448] __blk_mq_alloc_disk+0xe8/0x154 [ 79.385681][ T5448] loop_add+0x240/0x6e0 [ 79.386328][ T5448] loop_control_ioctl+0x130/0x4e0 [ 79.387142][ T5448] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.387980][ T5448] invoke_syscall+0x98/0x2b0 [ 79.388606][ T5448] el0_svc_common+0x138/0x258 [ 79.389222][ T5448] do_el0_svc+0x58/0x13c [ 79.389768][ T5448] el0_svc+0x78/0x1d0 [ 79.390270][ T5448] el0t_64_sync_handler+0xcc/0xe4 [ 79.390892][ T5448] el0t_64_sync+0x1a0/0x1a4 [ 79.404410][ T5450] FAULT_INJECTION: forcing a failure. [ 79.404410][ T5450] name failslab, interval 1, probability 0, space 0, times 0 [ 79.406546][ T5450] CPU: 0 PID: 5450 Comm: syz.0.182 Tainted: G W syzkaller #0 [ 79.407853][ T5450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.409366][ T5450] Call trace: [ 79.409829][ T5450] dump_backtrace+0x0/0x458 [ 79.410555][ T5450] show_stack+0x2c/0x3c [ 79.411157][ T5450] __dump_stack+0x30/0x40 [ 79.411840][ T5450] dump_stack_lvl+0xf4/0x15c [ 79.412659][ T5450] dump_stack+0x1c/0x5c [ 79.413317][ T5450] should_fail+0x3bc/0x514 [ 79.414007][ T5450] __should_failslab+0xbc/0x10c [ 79.414769][ T5450] should_failslab+0x10/0x28 [ 79.415537][ T5450] slab_pre_alloc_hook+0x64/0xe8 [ 79.416388][ T5450] kmem_cache_alloc_trace+0x98/0x3ec [ 79.417279][ T5450] blk_iolatency_init+0x64/0x430 [ 79.418140][ T5450] blkcg_init_queue+0x3f0/0x484 [ 79.418907][ T5450] blk_alloc_queue+0x3cc/0x4a0 [ 79.419608][ T5450] __blk_mq_alloc_disk+0x5c/0x154 [ 79.420450][ T5450] loop_add+0x240/0x6e0 [ 79.421144][ T5450] loop_control_ioctl+0x130/0x4e0 [ 79.422013][ T5450] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.422820][ T5450] invoke_syscall+0x98/0x2b0 [ 79.423497][ T5450] el0_svc_common+0x138/0x258 [ 79.424273][ T5450] do_el0_svc+0x58/0x13c [ 79.424904][ T5450] el0_svc+0x78/0x1d0 [ 79.425595][ T5450] el0t_64_sync_handler+0xcc/0xe4 [ 79.426453][ T5450] el0t_64_sync+0x1a0/0x1a4 [ 79.436603][ T5452] FAULT_INJECTION: forcing a failure. [ 79.436603][ T5452] name failslab, interval 1, probability 0, space 0, times 0 [ 79.438559][ T5452] CPU: 0 PID: 5452 Comm: syz.0.183 Tainted: G W syzkaller #0 [ 79.439937][ T5452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.441538][ T5452] Call trace: [ 79.442078][ T5452] dump_backtrace+0x0/0x458 [ 79.442809][ T5452] show_stack+0x2c/0x3c [ 79.443473][ T5452] __dump_stack+0x30/0x40 [ 79.444201][ T5452] dump_stack_lvl+0xf4/0x15c [ 79.444958][ T5452] dump_stack+0x1c/0x5c [ 79.445729][ T5452] should_fail+0x3bc/0x514 [ 79.446489][ T5452] __should_failslab+0xbc/0x10c [ 79.447324][ T5452] should_failslab+0x10/0x28 [ 79.448085][ T5452] slab_pre_alloc_hook+0x64/0xe8 [ 79.448910][ T5452] __kmalloc_track_caller+0x70/0x358 [ 79.449835][ T5452] kstrdup+0xe4/0x15c [ 79.450521][ T5452] kstrdup_const+0x54/0x6c [ 79.451269][ T5452] kvasprintf_const+0x120/0x2e4 [ 79.452071][ T5452] kobject_set_name_vargs+0xd8/0x1c8 [ 79.452912][ T5452] dev_set_name+0xe8/0x13c [ 79.453741][ T5452] device_add_disk+0x258/0xacc [ 79.454648][ T5452] loop_add+0x510/0x6e0 [ 79.455363][ T5452] loop_control_ioctl+0x130/0x4e0 [ 79.456245][ T5452] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.457120][ T5452] invoke_syscall+0x98/0x2b0 [ 79.457856][ T5452] el0_svc_common+0x138/0x258 [ 79.458659][ T5452] do_el0_svc+0x58/0x13c [ 79.459389][ T5452] el0_svc+0x78/0x1d0 [ 79.460065][ T5452] el0t_64_sync_handler+0xcc/0xe4 [ 79.460978][ T5452] el0t_64_sync+0x1a0/0x1a4 [ 79.472159][ T5454] FAULT_INJECTION: forcing a failure. [ 79.472159][ T5454] name failslab, interval 1, probability 0, space 0, times 0 [ 79.474215][ T5454] CPU: 0 PID: 5454 Comm: syz.0.184 Tainted: G W syzkaller #0 [ 79.475643][ T5454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.477280][ T5454] Call trace: [ 79.477852][ T5454] dump_backtrace+0x0/0x458 [ 79.478572][ T5454] show_stack+0x2c/0x3c [ 79.479296][ T5454] __dump_stack+0x30/0x40 [ 79.480030][ T5454] dump_stack_lvl+0xf4/0x15c [ 79.480918][ T5454] dump_stack+0x1c/0x5c [ 79.481641][ T5454] should_fail+0x3bc/0x514 [ 79.482376][ T5454] __should_failslab+0xbc/0x10c [ 79.483218][ T5454] should_failslab+0x10/0x28 [ 79.483991][ T5454] slab_pre_alloc_hook+0x64/0xe8 [ 79.484865][ T5454] kmem_cache_alloc_trace+0x98/0x3ec [ 79.485771][ T5454] rand_initialize_disk+0x58/0xb8 [ 79.486704][ T5454] __alloc_disk_node+0x2a8/0x450 [ 79.487602][ T5454] __blk_mq_alloc_disk+0xe8/0x154 [ 79.488473][ T5454] loop_add+0x240/0x6e0 [ 79.489144][ T5454] loop_control_ioctl+0x130/0x4e0 [ 79.489967][ T5454] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.490778][ T5454] invoke_syscall+0x98/0x2b0 [ 79.491560][ T5454] el0_svc_common+0x138/0x258 [ 79.492320][ T5454] do_el0_svc+0x58/0x13c [ 79.493018][ T5454] el0_svc+0x78/0x1d0 [ 79.493614][ T5454] el0t_64_sync_handler+0xcc/0xe4 [ 79.494416][ T5454] el0t_64_sync+0x1a0/0x1a4 [ 79.505641][ T5456] FAULT_INJECTION: forcing a failure. [ 79.505641][ T5456] name failslab, interval 1, probability 0, space 0, times 0 [ 79.507582][ T5456] CPU: 0 PID: 5456 Comm: syz.0.185 Tainted: G W syzkaller #0 [ 79.508932][ T5456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.510596][ T5456] Call trace: [ 79.511173][ T5456] dump_backtrace+0x0/0x458 [ 79.511905][ T5456] show_stack+0x2c/0x3c [ 79.512590][ T5456] __dump_stack+0x30/0x40 [ 79.513275][ T5456] dump_stack_lvl+0xf4/0x15c [ 79.514073][ T5456] dump_stack+0x1c/0x5c [ 79.514870][ T5456] should_fail+0x3bc/0x514 [ 79.515628][ T5456] __should_failslab+0xbc/0x10c [ 79.516385][ T5456] should_failslab+0x10/0x28 [ 79.517094][ T5456] slab_pre_alloc_hook+0x64/0xe8 [ 79.517882][ T5456] kmem_cache_alloc_trace+0x98/0x3ec [ 79.518854][ T5456] rand_initialize_disk+0x58/0xb8 [ 79.519669][ T5456] __alloc_disk_node+0x2a8/0x450 [ 79.520463][ T5456] __blk_mq_alloc_disk+0xe8/0x154 [ 79.521327][ T5456] loop_add+0x240/0x6e0 [ 79.522075][ T5456] loop_control_ioctl+0x130/0x4e0 [ 79.522911][ T5456] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.523804][ T5456] invoke_syscall+0x98/0x2b0 [ 79.524657][ T5456] el0_svc_common+0x138/0x258 [ 79.525509][ T5456] do_el0_svc+0x58/0x13c [ 79.526216][ T5456] el0_svc+0x78/0x1d0 [ 79.526889][ T5456] el0t_64_sync_handler+0xcc/0xe4 [ 79.527768][ T5456] el0t_64_sync+0x1a0/0x1a4 [ 79.538970][ T5458] FAULT_INJECTION: forcing a failure. [ 79.538970][ T5458] name failslab, interval 1, probability 0, space 0, times 0 [ 79.541169][ T5458] CPU: 0 PID: 5458 Comm: syz.0.186 Tainted: G W syzkaller #0 [ 79.542691][ T5458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.544331][ T5458] Call trace: [ 79.544961][ T5458] dump_backtrace+0x0/0x458 [ 79.545734][ T5458] show_stack+0x2c/0x3c [ 79.546383][ T5458] __dump_stack+0x30/0x40 [ 79.547154][ T5458] dump_stack_lvl+0xf4/0x15c [ 79.547887][ T5458] dump_stack+0x1c/0x5c [ 79.548573][ T5458] should_fail+0x3bc/0x514 [ 79.549323][ T5458] __should_failslab+0xbc/0x10c [ 79.550114][ T5458] should_failslab+0x10/0x28 [ 79.550955][ T5458] slab_pre_alloc_hook+0x64/0xe8 [ 79.551734][ T5458] kmem_cache_alloc+0x94/0x3d4 [ 79.552572][ T5458] __debug_object_init+0x7b0/0xa0c [ 79.553497][ T5458] debug_object_init+0x20/0x2c [ 79.554221][ T5458] init_timer_key+0x54/0x410 [ 79.554970][ T5458] blk_iolatency_init+0x2cc/0x430 [ 79.555768][ T5458] blkcg_init_queue+0x3f0/0x484 [ 79.556847][ T5458] blk_alloc_queue+0x3cc/0x4a0 [ 79.557632][ T5458] __blk_mq_alloc_disk+0x5c/0x154 [ 79.558470][ T5458] loop_add+0x240/0x6e0 [ 79.559165][ T5458] loop_control_ioctl+0x130/0x4e0 [ 79.559977][ T5458] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.560828][ T5458] invoke_syscall+0x98/0x2b0 [ 79.561709][ T5458] el0_svc_common+0x138/0x258 [ 79.562581][ T5458] do_el0_svc+0x58/0x13c [ 79.563321][ T5458] el0_svc+0x78/0x1d0 [ 79.564038][ T5458] el0t_64_sync_handler+0xcc/0xe4 [ 79.564898][ T5458] el0t_64_sync+0x1a0/0x1a4 [ 79.577296][ T5460] FAULT_INJECTION: forcing a failure. [ 79.577296][ T5460] name failslab, interval 1, probability 0, space 0, times 0 [ 79.579264][ T5460] CPU: 0 PID: 5460 Comm: syz.0.187 Tainted: G W syzkaller #0 [ 79.580704][ T5460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.582339][ T5460] Call trace: [ 79.582820][ T5460] dump_backtrace+0x0/0x458 [ 79.583645][ T5460] show_stack+0x2c/0x3c [ 79.584374][ T5460] __dump_stack+0x30/0x40 [ 79.585097][ T5460] dump_stack_lvl+0xf4/0x15c [ 79.585935][ T5460] dump_stack+0x1c/0x5c [ 79.586595][ T5460] should_fail+0x3bc/0x514 [ 79.587299][ T5460] __should_failslab+0xbc/0x10c [ 79.588093][ T5460] should_failslab+0x10/0x28 [ 79.588821][ T5460] slab_pre_alloc_hook+0x64/0xe8 [ 79.589654][ T5460] kmem_cache_alloc_trace+0x98/0x3ec [ 79.590553][ T5460] rand_initialize_disk+0x58/0xb8 [ 79.591410][ T5460] __alloc_disk_node+0x2a8/0x450 [ 79.592343][ T5460] __blk_mq_alloc_disk+0xe8/0x154 [ 79.593227][ T5460] loop_add+0x240/0x6e0 [ 79.593941][ T5460] loop_control_ioctl+0x130/0x4e0 [ 79.594803][ T5460] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.595613][ T5460] invoke_syscall+0x98/0x2b0 [ 79.596422][ T5460] el0_svc_common+0x138/0x258 [ 79.597270][ T5460] do_el0_svc+0x58/0x13c [ 79.597977][ T5460] el0_svc+0x78/0x1d0 [ 79.598651][ T5460] el0t_64_sync_handler+0xcc/0xe4 [ 79.599574][ T5460] el0t_64_sync+0x1a0/0x1a4 [ 79.610503][ T5462] FAULT_INJECTION: forcing a failure. [ 79.610503][ T5462] name failslab, interval 1, probability 0, space 0, times 0 [ 79.612463][ T5462] CPU: 0 PID: 5462 Comm: syz.0.188 Tainted: G W syzkaller #0 [ 79.614031][ T5462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.615636][ T5462] Call trace: [ 79.616153][ T5462] dump_backtrace+0x0/0x458 [ 79.616898][ T5462] show_stack+0x2c/0x3c [ 79.617559][ T5462] __dump_stack+0x30/0x40 [ 79.618282][ T5462] dump_stack_lvl+0xf4/0x15c [ 79.619091][ T5462] dump_stack+0x1c/0x5c [ 79.619855][ T5462] should_fail+0x3bc/0x514 [ 79.620642][ T5462] __should_failslab+0xbc/0x10c [ 79.621496][ T5462] should_failslab+0x10/0x28 [ 79.622355][ T5462] slab_pre_alloc_hook+0x64/0xe8 [ 79.623193][ T5462] kmem_cache_alloc_trace+0x98/0x3ec [ 79.624163][ T5462] blk_iolatency_init+0x64/0x430 [ 79.624968][ T5462] blkcg_init_queue+0x3f0/0x484 [ 79.625840][ T5462] blk_alloc_queue+0x3cc/0x4a0 [ 79.626662][ T5462] __blk_mq_alloc_disk+0x5c/0x154 [ 79.627452][ T5462] loop_add+0x240/0x6e0 [ 79.628146][ T5462] loop_control_ioctl+0x130/0x4e0 [ 79.629026][ T5462] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.629832][ T5462] invoke_syscall+0x98/0x2b0 [ 79.630625][ T5462] el0_svc_common+0x138/0x258 [ 79.631381][ T5462] do_el0_svc+0x58/0x13c [ 79.632117][ T5462] el0_svc+0x78/0x1d0 [ 79.632726][ T5462] el0t_64_sync_handler+0xcc/0xe4 [ 79.633544][ T5462] el0t_64_sync+0x1a0/0x1a4 [ 79.642658][ T5464] FAULT_INJECTION: forcing a failure. [ 79.642658][ T5464] name failslab, interval 1, probability 0, space 0, times 0 [ 79.644712][ T5464] CPU: 1 PID: 5464 Comm: syz.0.189 Tainted: G W syzkaller #0 [ 79.646015][ T5464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.647707][ T5464] Call trace: [ 79.648260][ T5464] dump_backtrace+0x0/0x458 [ 79.648948][ T5464] show_stack+0x2c/0x3c [ 79.649581][ T5464] __dump_stack+0x30/0x40 [ 79.650266][ T5464] dump_stack_lvl+0xf4/0x15c [ 79.651068][ T5464] dump_stack+0x1c/0x5c [ 79.651746][ T5464] should_fail+0x3bc/0x514 [ 79.652388][ T5464] __should_failslab+0xbc/0x10c [ 79.653230][ T5464] should_failslab+0x10/0x28 [ 79.654031][ T5464] slab_pre_alloc_hook+0x64/0xe8 [ 79.654879][ T5464] kmem_cache_alloc_trace+0x98/0x3ec [ 79.655731][ T5464] blk_iolatency_init+0x64/0x430 [ 79.656504][ T5464] blkcg_init_queue+0x3f0/0x484 [ 79.657388][ T5464] blk_alloc_queue+0x3cc/0x4a0 [ 79.658084][ T5464] __blk_mq_alloc_disk+0x5c/0x154 [ 79.658841][ T5464] loop_add+0x240/0x6e0 [ 79.659438][ T5464] loop_control_ioctl+0x130/0x4e0 [ 79.660243][ T5464] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.661096][ T5464] invoke_syscall+0x98/0x2b0 [ 79.661829][ T5464] el0_svc_common+0x138/0x258 [ 79.662625][ T5464] do_el0_svc+0x58/0x13c [ 79.663378][ T5464] el0_svc+0x78/0x1d0 [ 79.664117][ T5464] el0t_64_sync_handler+0xcc/0xe4 [ 79.665035][ T5464] el0t_64_sync+0x1a0/0x1a4 [ 79.687871][ T5466] FAULT_INJECTION: forcing a failure. [ 79.687871][ T5466] name failslab, interval 1, probability 0, space 0, times 0 [ 79.689908][ T5466] CPU: 1 PID: 5466 Comm: syz.0.190 Tainted: G W syzkaller #0 [ 79.691449][ T5466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.693228][ T5466] Call trace: [ 79.693812][ T5466] dump_backtrace+0x0/0x458 [ 79.694574][ T5466] show_stack+0x2c/0x3c [ 79.695270][ T5466] __dump_stack+0x30/0x40 [ 79.695898][ T5466] dump_stack_lvl+0xf4/0x15c [ 79.696648][ T5466] dump_stack+0x1c/0x5c [ 79.697394][ T5466] should_fail+0x3bc/0x514 [ 79.698080][ T5466] __should_failslab+0xbc/0x10c [ 79.698911][ T5466] should_failslab+0x10/0x28 [ 79.699668][ T5466] slab_pre_alloc_hook+0x64/0xe8 [ 79.700523][ T5466] __kmalloc_track_caller+0x70/0x358 [ 79.701418][ T5466] kstrdup+0xe4/0x15c [ 79.702109][ T5466] kstrdup_const+0x54/0x6c [ 79.702851][ T5466] kvasprintf_const+0x120/0x2e4 [ 79.703655][ T5466] kobject_set_name_vargs+0xd8/0x1c8 [ 79.704560][ T5466] dev_set_name+0xe8/0x13c [ 79.705310][ T5466] device_add_disk+0x258/0xacc [ 79.706068][ T5466] loop_add+0x510/0x6e0 [ 79.706746][ T5466] loop_control_ioctl+0x130/0x4e0 [ 79.707581][ T5466] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.708345][ T5466] invoke_syscall+0x98/0x2b0 [ 79.709113][ T5466] el0_svc_common+0x138/0x258 [ 79.709912][ T5466] do_el0_svc+0x58/0x13c [ 79.710656][ T5466] el0_svc+0x78/0x1d0 [ 79.711344][ T5466] el0t_64_sync_handler+0xcc/0xe4 [ 79.712233][ T5466] el0t_64_sync+0x1a0/0x1a4 [ 79.723558][ T5468] FAULT_INJECTION: forcing a failure. [ 79.723558][ T5468] name failslab, interval 1, probability 0, space 0, times 0 [ 79.725708][ T5468] CPU: 1 PID: 5468 Comm: syz.0.191 Tainted: G W syzkaller #0 [ 79.727059][ T5468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.728712][ T5468] Call trace: [ 79.729211][ T5468] dump_backtrace+0x0/0x458 [ 79.729945][ T5468] show_stack+0x2c/0x3c [ 79.730682][ T5468] __dump_stack+0x30/0x40 [ 79.731415][ T5468] dump_stack_lvl+0xf4/0x15c [ 79.732162][ T5468] dump_stack+0x1c/0x5c [ 79.732831][ T5468] should_fail+0x3bc/0x514 [ 79.733584][ T5468] __should_failslab+0xbc/0x10c [ 79.734436][ T5468] should_failslab+0x10/0x28 [ 79.735161][ T5468] slab_pre_alloc_hook+0x64/0xe8 [ 79.736019][ T5468] __kmalloc_track_caller+0x70/0x358 [ 79.736918][ T5468] kstrdup+0xe4/0x15c [ 79.737547][ T5468] kstrdup_const+0x54/0x6c [ 79.738302][ T5468] kvasprintf_const+0x120/0x2e4 [ 79.739124][ T5468] kobject_set_name_vargs+0xd8/0x1c8 [ 79.740026][ T5468] dev_set_name+0xe8/0x13c [ 79.740744][ T5468] device_add_disk+0x258/0xacc [ 79.741512][ T5468] loop_add+0x510/0x6e0 [ 79.742125][ T5468] loop_control_ioctl+0x130/0x4e0 [ 79.742855][ T5468] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.743680][ T5468] invoke_syscall+0x98/0x2b0 [ 79.744542][ T5468] el0_svc_common+0x138/0x258 [ 79.745266][ T5468] do_el0_svc+0x58/0x13c [ 79.745940][ T5468] el0_svc+0x78/0x1d0 [ 79.746575][ T5468] el0t_64_sync_handler+0xcc/0xe4 [ 79.747406][ T5468] el0t_64_sync+0x1a0/0x1a4 [ 79.757808][ T5470] FAULT_INJECTION: forcing a failure. [ 79.757808][ T5470] name failslab, interval 1, probability 0, space 0, times 0 [ 79.760074][ T5470] CPU: 0 PID: 5470 Comm: syz.0.192 Tainted: G W syzkaller #0 [ 79.761541][ T5470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.763153][ T5470] Call trace: [ 79.763690][ T5470] dump_backtrace+0x0/0x458 [ 79.764410][ T5470] show_stack+0x2c/0x3c [ 79.765072][ T5470] __dump_stack+0x30/0x40 [ 79.765868][ T5470] dump_stack_lvl+0xf4/0x15c [ 79.766578][ T5470] dump_stack+0x1c/0x5c [ 79.767210][ T5470] should_fail+0x3bc/0x514 [ 79.767876][ T5470] __should_failslab+0xbc/0x10c [ 79.768628][ T5470] should_failslab+0x10/0x28 [ 79.769421][ T5470] slab_pre_alloc_hook+0x64/0xe8 [ 79.770193][ T5470] __kmalloc_track_caller+0x70/0x358 [ 79.771003][ T5470] kstrdup+0xe4/0x15c [ 79.771612][ T5470] kstrdup_const+0x54/0x6c [ 79.772339][ T5470] kvasprintf_const+0x120/0x2e4 [ 79.773155][ T5470] kobject_set_name_vargs+0xd8/0x1c8 [ 79.774072][ T5470] dev_set_name+0xe8/0x13c [ 79.774811][ T5470] device_add_disk+0x258/0xacc [ 79.775527][ T5470] loop_add+0x510/0x6e0 [ 79.776210][ T5470] loop_control_ioctl+0x130/0x4e0 [ 79.777116][ T5470] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.777965][ T5470] invoke_syscall+0x98/0x2b0 [ 79.778743][ T5470] el0_svc_common+0x138/0x258 [ 79.779532][ T5470] do_el0_svc+0x58/0x13c [ 79.780221][ T5470] el0_svc+0x78/0x1d0 [ 79.780884][ T5470] el0t_64_sync_handler+0xcc/0xe4 [ 79.781776][ T5470] el0t_64_sync+0x1a0/0x1a4 [ 79.793788][ T5472] FAULT_INJECTION: forcing a failure. [ 79.793788][ T5472] name failslab, interval 1, probability 0, space 0, times 0 [ 79.795886][ T5472] CPU: 1 PID: 5472 Comm: syz.0.193 Tainted: G W syzkaller #0 [ 79.797280][ T5472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.798996][ T5472] Call trace: [ 79.799515][ T5472] dump_backtrace+0x0/0x458 [ 79.800330][ T5472] show_stack+0x2c/0x3c [ 79.800981][ T5472] __dump_stack+0x30/0x40 [ 79.801685][ T5472] dump_stack_lvl+0xf4/0x15c [ 79.802448][ T5472] dump_stack+0x1c/0x5c [ 79.803216][ T5472] should_fail+0x3bc/0x514 [ 79.803988][ T5472] __should_failslab+0xbc/0x10c [ 79.804869][ T5472] should_failslab+0x10/0x28 [ 79.805697][ T5472] slab_pre_alloc_hook+0x64/0xe8 [ 79.806581][ T5472] __kmalloc_track_caller+0x70/0x358 [ 79.807469][ T5472] kstrdup+0xe4/0x15c [ 79.808160][ T5472] kstrdup_const+0x54/0x6c [ 79.808863][ T5472] kvasprintf_const+0x120/0x2e4 [ 79.809808][ T5472] kobject_set_name_vargs+0xd8/0x1c8 [ 79.810646][ T5472] dev_set_name+0xe8/0x13c [ 79.811420][ T5472] device_add_disk+0x258/0xacc [ 79.812260][ T5472] loop_add+0x510/0x6e0 [ 79.813019][ T5472] loop_control_ioctl+0x130/0x4e0 [ 79.813839][ T5472] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.814703][ T5472] invoke_syscall+0x98/0x2b0 [ 79.815429][ T5472] el0_svc_common+0x138/0x258 [ 79.816192][ T5472] do_el0_svc+0x58/0x13c [ 79.816884][ T5472] el0_svc+0x78/0x1d0 [ 79.817549][ T5472] el0t_64_sync_handler+0xcc/0xe4 [ 79.818402][ T5472] el0t_64_sync+0x1a0/0x1a4 [ 79.829040][ T5474] FAULT_INJECTION: forcing a failure. [ 79.829040][ T5474] name failslab, interval 1, probability 0, space 0, times 0 [ 79.832169][ T5474] CPU: 1 PID: 5474 Comm: syz.0.194 Tainted: G W syzkaller #0 [ 79.833524][ T5474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.835151][ T5474] Call trace: [ 79.835702][ T5474] dump_backtrace+0x0/0x458 [ 79.836420][ T5474] show_stack+0x2c/0x3c [ 79.837142][ T5474] __dump_stack+0x30/0x40 [ 79.837835][ T5474] dump_stack_lvl+0xf4/0x15c [ 79.838549][ T5474] dump_stack+0x1c/0x5c [ 79.839179][ T5474] should_fail+0x3bc/0x514 [ 79.839885][ T5474] __should_failslab+0xbc/0x10c [ 79.840649][ T5474] should_failslab+0x10/0x28 [ 79.841435][ T5474] slab_pre_alloc_hook+0x64/0xe8 [ 79.842269][ T5474] __kmalloc_track_caller+0x70/0x358 [ 79.843166][ T5474] kstrdup+0xe4/0x15c [ 79.843799][ T5474] kstrdup_const+0x54/0x6c [ 79.844510][ T5474] kvasprintf_const+0x120/0x2e4 [ 79.845448][ T5474] kobject_set_name_vargs+0xd8/0x1c8 [ 79.846454][ T5474] dev_set_name+0xe8/0x13c [ 79.847182][ T5474] device_add_disk+0x258/0xacc [ 79.847948][ T5474] loop_add+0x510/0x6e0 [ 79.848736][ T5474] loop_control_ioctl+0x130/0x4e0 [ 79.849534][ T5474] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.850392][ T5474] invoke_syscall+0x98/0x2b0 [ 79.851100][ T5474] el0_svc_common+0x138/0x258 [ 79.851887][ T5474] do_el0_svc+0x58/0x13c [ 79.852621][ T5474] el0_svc+0x78/0x1d0 [ 79.853291][ T5474] el0t_64_sync_handler+0xcc/0xe4 [ 79.854129][ T5474] el0t_64_sync+0x1a0/0x1a4 [ 79.863843][ T5476] FAULT_INJECTION: forcing a failure. [ 79.863843][ T5476] name failslab, interval 1, probability 0, space 0, times 0 [ 79.865868][ T5476] CPU: 0 PID: 5476 Comm: syz.0.195 Tainted: G W syzkaller #0 [ 79.867261][ T5476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.868861][ T5476] Call trace: [ 79.869362][ T5476] dump_backtrace+0x0/0x458 [ 79.870034][ T5476] show_stack+0x2c/0x3c [ 79.870682][ T5476] __dump_stack+0x30/0x40 [ 79.871425][ T5476] dump_stack_lvl+0xf4/0x15c [ 79.872189][ T5476] dump_stack+0x1c/0x5c [ 79.872941][ T5476] should_fail+0x3bc/0x514 [ 79.873712][ T5476] __should_failslab+0xbc/0x10c [ 79.874536][ T5476] should_failslab+0x10/0x28 [ 79.875267][ T5476] slab_pre_alloc_hook+0x64/0xe8 [ 79.876197][ T5476] __kmalloc_track_caller+0x70/0x358 [ 79.877088][ T5476] kstrdup+0xe4/0x15c [ 79.877757][ T5476] kstrdup_const+0x54/0x6c [ 79.878594][ T5476] kvasprintf_const+0x120/0x2e4 [ 79.879484][ T5476] kobject_set_name_vargs+0xd8/0x1c8 [ 79.880403][ T5476] dev_set_name+0xe8/0x13c [ 79.881201][ T5476] device_add_disk+0x258/0xacc [ 79.881980][ T5476] loop_add+0x510/0x6e0 [ 79.882694][ T5476] loop_control_ioctl+0x130/0x4e0 [ 79.883563][ T5476] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.884388][ T5476] invoke_syscall+0x98/0x2b0 [ 79.885154][ T5476] el0_svc_common+0x138/0x258 [ 79.885971][ T5476] do_el0_svc+0x58/0x13c [ 79.886675][ T5476] el0_svc+0x78/0x1d0 [ 79.887343][ T5476] el0t_64_sync_handler+0xcc/0xe4 [ 79.888144][ T5476] el0t_64_sync+0x1a0/0x1a4 [ 79.899664][ T5478] FAULT_INJECTION: forcing a failure. [ 79.899664][ T5478] name failslab, interval 1, probability 0, space 0, times 0 [ 79.901881][ T5478] CPU: 0 PID: 5478 Comm: syz.0.196 Tainted: G W syzkaller #0 [ 79.903372][ T5478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.905082][ T5478] Call trace: [ 79.905571][ T5478] dump_backtrace+0x0/0x458 [ 79.906248][ T5478] show_stack+0x2c/0x3c [ 79.906885][ T5478] __dump_stack+0x30/0x40 [ 79.907629][ T5478] dump_stack_lvl+0xf4/0x15c [ 79.908332][ T5478] dump_stack+0x1c/0x5c [ 79.908981][ T5478] should_fail+0x3bc/0x514 [ 79.909679][ T5478] __should_failslab+0xbc/0x10c [ 79.910419][ T5478] should_failslab+0x10/0x28 [ 79.911072][ T5478] slab_pre_alloc_hook+0x64/0xe8 [ 79.911828][ T5478] kmem_cache_alloc_trace+0x98/0x3ec [ 79.912648][ T5478] rand_initialize_disk+0x58/0xb8 [ 79.913442][ T5478] __alloc_disk_node+0x2a8/0x450 [ 79.914213][ T5478] __blk_mq_alloc_disk+0xe8/0x154 [ 79.915056][ T5478] loop_add+0x240/0x6e0 [ 79.915734][ T5478] loop_control_ioctl+0x130/0x4e0 [ 79.916536][ T5478] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.917393][ T5478] invoke_syscall+0x98/0x2b0 [ 79.918226][ T5478] el0_svc_common+0x138/0x258 [ 79.919052][ T5478] do_el0_svc+0x58/0x13c [ 79.919752][ T5478] el0_svc+0x78/0x1d0 [ 79.920395][ T5478] el0t_64_sync_handler+0xcc/0xe4 [ 79.921280][ T5478] el0t_64_sync+0x1a0/0x1a4 [ 79.932728][ T5480] FAULT_INJECTION: forcing a failure. [ 79.932728][ T5480] name failslab, interval 1, probability 0, space 0, times 0 [ 79.934718][ T5480] CPU: 1 PID: 5480 Comm: syz.0.197 Tainted: G W syzkaller #0 [ 79.936095][ T5480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.937650][ T5480] Call trace: [ 79.938235][ T5480] dump_backtrace+0x0/0x458 [ 79.938888][ T5480] show_stack+0x2c/0x3c [ 79.939479][ T5480] __dump_stack+0x30/0x40 [ 79.940101][ T5480] dump_stack_lvl+0xf4/0x15c [ 79.940856][ T5480] dump_stack+0x1c/0x5c [ 79.941559][ T5480] should_fail+0x3bc/0x514 [ 79.942289][ T5480] __should_failslab+0xbc/0x10c [ 79.943133][ T5480] should_failslab+0x10/0x28 [ 79.943916][ T5480] slab_pre_alloc_hook+0x64/0xe8 [ 79.944765][ T5480] __kmalloc_track_caller+0x70/0x358 [ 79.945715][ T5480] kstrdup+0xe4/0x15c [ 79.946407][ T5480] kstrdup_const+0x54/0x6c [ 79.947183][ T5480] kvasprintf_const+0x120/0x2e4 [ 79.948009][ T5480] kobject_set_name_vargs+0xd8/0x1c8 [ 79.948918][ T5480] dev_set_name+0xe8/0x13c [ 79.949666][ T5480] device_add_disk+0x258/0xacc [ 79.950437][ T5480] loop_add+0x510/0x6e0 [ 79.951167][ T5480] loop_control_ioctl+0x130/0x4e0 [ 79.952080][ T5480] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.952940][ T5480] invoke_syscall+0x98/0x2b0 [ 79.953632][ T5480] el0_svc_common+0x138/0x258 [ 79.954363][ T5480] do_el0_svc+0x58/0x13c [ 79.955055][ T5480] el0_svc+0x78/0x1d0 [ 79.955768][ T5480] el0t_64_sync_handler+0xcc/0xe4 [ 79.956655][ T5480] el0t_64_sync+0x1a0/0x1a4 [ 79.968408][ T5482] FAULT_INJECTION: forcing a failure. [ 79.968408][ T5482] name failslab, interval 1, probability 0, space 0, times 0 [ 79.970393][ T5482] CPU: 0 PID: 5482 Comm: syz.0.198 Tainted: G W syzkaller #0 [ 79.971736][ T5482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 79.973462][ T5482] Call trace: [ 79.973992][ T5482] dump_backtrace+0x0/0x458 [ 79.974761][ T5482] show_stack+0x2c/0x3c [ 79.975477][ T5482] __dump_stack+0x30/0x40 [ 79.976223][ T5482] dump_stack_lvl+0xf4/0x15c [ 79.977039][ T5482] dump_stack+0x1c/0x5c [ 79.977777][ T5482] should_fail+0x3bc/0x514 [ 79.978538][ T5482] __should_failslab+0xbc/0x10c [ 79.979366][ T5482] should_failslab+0x10/0x28 [ 79.980090][ T5482] slab_pre_alloc_hook+0x64/0xe8 [ 79.980920][ T5482] __kmalloc_track_caller+0x70/0x358 [ 79.981770][ T5482] kstrdup+0xe4/0x15c [ 79.982431][ T5482] kstrdup_const+0x54/0x6c [ 79.983126][ T5482] kvasprintf_const+0x120/0x2e4 [ 79.983917][ T5482] kobject_set_name_vargs+0xd8/0x1c8 [ 79.984802][ T5482] dev_set_name+0xe8/0x13c [ 79.985581][ T5482] device_add_disk+0x258/0xacc [ 79.986378][ T5482] loop_add+0x510/0x6e0 [ 79.987111][ T5482] loop_control_ioctl+0x130/0x4e0 [ 79.987902][ T5482] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.988718][ T5482] invoke_syscall+0x98/0x2b0 [ 79.989471][ T5482] el0_svc_common+0x138/0x258 [ 79.990260][ T5482] do_el0_svc+0x58/0x13c [ 79.990947][ T5482] el0_svc+0x78/0x1d0 [ 79.991583][ T5482] el0t_64_sync_handler+0xcc/0xe4 [ 79.992447][ T5482] el0t_64_sync+0x1a0/0x1a4 [ 80.001883][ T5484] FAULT_INJECTION: forcing a failure. [ 80.001883][ T5484] name failslab, interval 1, probability 0, space 0, times 0 [ 80.003935][ T5484] CPU: 1 PID: 5484 Comm: syz.0.199 Tainted: G W syzkaller #0 [ 80.005270][ T5484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.006864][ T5484] Call trace: [ 80.007399][ T5484] dump_backtrace+0x0/0x458 [ 80.008134][ T5484] show_stack+0x2c/0x3c [ 80.008823][ T5484] __dump_stack+0x30/0x40 [ 80.009516][ T5484] dump_stack_lvl+0xf4/0x15c [ 80.010241][ T5484] dump_stack+0x1c/0x5c [ 80.010976][ T5484] should_fail+0x3bc/0x514 [ 80.011700][ T5484] __should_failslab+0xbc/0x10c [ 80.012491][ T5484] should_failslab+0x10/0x28 [ 80.013221][ T5484] slab_pre_alloc_hook+0x64/0xe8 [ 80.014021][ T5484] kmem_cache_alloc+0x94/0x3d4 [ 80.014780][ T5484] security_inode_alloc+0x38/0x11c [ 80.015569][ T5484] inode_init_always+0x670/0xa84 [ 80.016347][ T5484] new_inode_pseudo+0x7c/0x1fc [ 80.017239][ T5484] new_inode+0x38/0x174 [ 80.017993][ T5484] bdev_alloc+0x30/0x1f8 [ 80.018716][ T5484] __alloc_disk_node+0xbc/0x450 [ 80.019552][ T5484] __blk_mq_alloc_disk+0xe8/0x154 [ 80.020372][ T5484] loop_add+0x240/0x6e0 [ 80.021054][ T5484] loop_control_ioctl+0x130/0x4e0 [ 80.021944][ T5484] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.022731][ T5484] invoke_syscall+0x98/0x2b0 [ 80.023490][ T5484] el0_svc_common+0x138/0x258 [ 80.024272][ T5484] do_el0_svc+0x58/0x13c [ 80.025013][ T5484] el0_svc+0x78/0x1d0 [ 80.025724][ T5484] el0t_64_sync_handler+0xcc/0xe4 [ 80.026562][ T5484] el0t_64_sync+0x1a0/0x1a4 [ 80.037698][ T5486] FAULT_INJECTION: forcing a failure. [ 80.037698][ T5486] name failslab, interval 1, probability 0, space 0, times 0 [ 80.039784][ T5486] CPU: 0 PID: 5486 Comm: syz.0.200 Tainted: G W syzkaller #0 [ 80.041283][ T5486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.042965][ T5486] Call trace: [ 80.043500][ T5486] dump_backtrace+0x0/0x458 [ 80.044222][ T5486] show_stack+0x2c/0x3c [ 80.044848][ T5486] __dump_stack+0x30/0x40 [ 80.045653][ T5486] dump_stack_lvl+0xf4/0x15c [ 80.046372][ T5486] dump_stack+0x1c/0x5c [ 80.047113][ T5486] should_fail+0x3bc/0x514 [ 80.047772][ T5486] __should_failslab+0xbc/0x10c [ 80.048498][ T5486] should_failslab+0x10/0x28 [ 80.049314][ T5486] slab_pre_alloc_hook+0x64/0xe8 [ 80.050178][ T5486] kmem_cache_alloc+0x94/0x3d4 [ 80.050970][ T5486] __debug_object_init+0x7c8/0xa0c [ 80.051831][ T5486] debug_object_init+0x20/0x2c [ 80.052615][ T5486] __percpu_counter_init+0x10c/0x26c [ 80.053474][ T5486] blkg_rwstat_init+0xa0/0x2b8 [ 80.054237][ T5486] throtl_pd_alloc+0xf0/0x4ec [ 80.054973][ T5486] blkcg_activate_policy+0x204/0xa8c [ 80.055805][ T5486] blk_throtl_init+0x308/0x3ec [ 80.056556][ T5486] blkcg_init_queue+0x3cc/0x484 [ 80.057291][ T5486] blk_alloc_queue+0x3cc/0x4a0 [ 80.058011][ T5486] __blk_mq_alloc_disk+0x5c/0x154 [ 80.058782][ T5486] loop_add+0x240/0x6e0 [ 80.059488][ T5486] loop_control_ioctl+0x130/0x4e0 [ 80.060303][ T5486] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.061092][ T5486] invoke_syscall+0x98/0x2b0 [ 80.061878][ T5486] el0_svc_common+0x138/0x258 [ 80.062656][ T5486] do_el0_svc+0x58/0x13c [ 80.063383][ T5486] el0_svc+0x78/0x1d0 [ 80.064011][ T5486] el0t_64_sync_handler+0xcc/0xe4 [ 80.064893][ T5486] el0t_64_sync+0x1a0/0x1a4 [ 80.078147][ T5488] FAULT_INJECTION: forcing a failure. [ 80.078147][ T5488] name failslab, interval 1, probability 0, space 0, times 0 [ 80.080201][ T5488] CPU: 1 PID: 5488 Comm: syz.0.201 Tainted: G W syzkaller #0 [ 80.081679][ T5488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.083332][ T5488] Call trace: [ 80.083871][ T5488] dump_backtrace+0x0/0x458 [ 80.084593][ T5488] show_stack+0x2c/0x3c [ 80.085337][ T5488] __dump_stack+0x30/0x40 [ 80.086068][ T5488] dump_stack_lvl+0xf4/0x15c [ 80.086864][ T5488] dump_stack+0x1c/0x5c [ 80.087538][ T5488] should_fail+0x3bc/0x514 [ 80.088381][ T5488] __should_failslab+0xbc/0x10c [ 80.089183][ T5488] should_failslab+0x10/0x28 [ 80.089985][ T5488] slab_pre_alloc_hook+0x64/0xe8 [ 80.090861][ T5488] kmem_cache_alloc_trace+0x98/0x3ec [ 80.091836][ T5488] blk_iolatency_init+0x64/0x430 [ 80.092729][ T5488] blkcg_init_queue+0x3f0/0x484 [ 80.093568][ T5488] blk_alloc_queue+0x3cc/0x4a0 [ 80.094388][ T5488] __blk_mq_alloc_disk+0x5c/0x154 [ 80.095227][ T5488] loop_add+0x240/0x6e0 [ 80.095922][ T5488] loop_control_ioctl+0x130/0x4e0 [ 80.096731][ T5488] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.097517][ T5488] invoke_syscall+0x98/0x2b0 [ 80.098331][ T5488] el0_svc_common+0x138/0x258 [ 80.099097][ T5488] do_el0_svc+0x58/0x13c [ 80.099834][ T5488] el0_svc+0x78/0x1d0 [ 80.100474][ T5488] el0t_64_sync_handler+0xcc/0xe4 [ 80.101292][ T5488] el0t_64_sync+0x1a0/0x1a4 [ 80.110636][ T13] Bluetooth: hci0: command 0x0419 tx timeout [ 80.112105][ T5490] FAULT_INJECTION: forcing a failure. [ 80.112105][ T5490] name failslab, interval 1, probability 0, space 0, times 0 [ 80.114198][ T5490] CPU: 1 PID: 5490 Comm: syz.0.202 Tainted: G W syzkaller #0 [ 80.115626][ T5490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.117212][ T5490] Call trace: [ 80.117733][ T5490] dump_backtrace+0x0/0x458 [ 80.118471][ T5490] show_stack+0x2c/0x3c [ 80.119078][ T5490] __dump_stack+0x30/0x40 [ 80.119813][ T5490] dump_stack_lvl+0xf4/0x15c [ 80.120451][ T5490] dump_stack+0x1c/0x5c [ 80.121116][ T5490] should_fail+0x3bc/0x514 [ 80.121958][ T5490] __should_failslab+0xbc/0x10c [ 80.122758][ T5490] should_failslab+0x10/0x28 [ 80.123521][ T5490] slab_pre_alloc_hook+0x64/0xe8 [ 80.124387][ T5490] __kmalloc_track_caller+0x70/0x358 [ 80.125254][ T5490] kstrdup+0xe4/0x15c [ 80.125952][ T5490] kstrdup_const+0x54/0x6c [ 80.126683][ T5490] kvasprintf_const+0x120/0x2e4 [ 80.127431][ T5490] kobject_set_name_vargs+0xd8/0x1c8 [ 80.128332][ T5490] dev_set_name+0xe8/0x13c [ 80.129137][ T5490] device_add_disk+0x258/0xacc [ 80.129956][ T5490] loop_add+0x510/0x6e0 [ 80.130712][ T5490] loop_control_ioctl+0x130/0x4e0 [ 80.131530][ T5490] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.132392][ T5490] invoke_syscall+0x98/0x2b0 [ 80.133197][ T5490] el0_svc_common+0x138/0x258 [ 80.134004][ T5490] do_el0_svc+0x58/0x13c [ 80.134799][ T5490] el0_svc+0x78/0x1d0 [ 80.135465][ T5490] el0t_64_sync_handler+0xcc/0xe4 [ 80.136294][ T5490] el0t_64_sync+0x1a0/0x1a4 [ 80.161513][ T5492] FAULT_INJECTION: forcing a failure. [ 80.161513][ T5492] name failslab, interval 1, probability 0, space 0, times 0 [ 80.163490][ T5492] CPU: 0 PID: 5492 Comm: syz.0.203 Tainted: G W syzkaller #0 [ 80.164965][ T5492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.166598][ T5492] Call trace: [ 80.167102][ T5492] dump_backtrace+0x0/0x458 [ 80.167831][ T5492] show_stack+0x2c/0x3c [ 80.168456][ T5492] __dump_stack+0x30/0x40 [ 80.169181][ T5492] dump_stack_lvl+0xf4/0x15c [ 80.169920][ T5492] dump_stack+0x1c/0x5c [ 80.170709][ T5492] should_fail+0x3bc/0x514 [ 80.171492][ T5492] __should_failslab+0xbc/0x10c [ 80.172307][ T5492] should_failslab+0x10/0x28 [ 80.173128][ T5492] slab_pre_alloc_hook+0x64/0xe8 [ 80.173964][ T5492] kmem_cache_alloc+0x94/0x3d4 [ 80.174784][ T5492] __debug_object_init+0x798/0xa0c [ 80.175655][ T5492] debug_object_init+0x20/0x2c [ 80.176421][ T5492] __init_work+0x58/0x68 [ 80.177139][ T5492] blk_iolatency_init+0x2dc/0x430 [ 80.178025][ T5492] blkcg_init_queue+0x3f0/0x484 [ 80.178906][ T5492] blk_alloc_queue+0x3cc/0x4a0 [ 80.179739][ T5492] __blk_mq_alloc_disk+0x5c/0x154 [ 80.180507][ T5492] loop_add+0x240/0x6e0 [ 80.181161][ T5492] loop_control_ioctl+0x130/0x4e0 [ 80.181931][ T5492] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.182715][ T5492] invoke_syscall+0x98/0x2b0 [ 80.183392][ T5492] el0_svc_common+0x138/0x258 [ 80.184204][ T5492] do_el0_svc+0x58/0x13c [ 80.184889][ T5492] el0_svc+0x78/0x1d0 [ 80.185601][ T5492] el0t_64_sync_handler+0xcc/0xe4 [ 80.186460][ T5492] el0t_64_sync+0x1a0/0x1a4 [ 80.205615][ T5494] FAULT_INJECTION: forcing a failure. [ 80.205615][ T5494] name failslab, interval 1, probability 0, space 0, times 0 [ 80.207558][ T5494] CPU: 0 PID: 5494 Comm: syz.0.204 Tainted: G W syzkaller #0 [ 80.208883][ T5494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.210371][ T5494] Call trace: [ 80.210946][ T5494] dump_backtrace+0x0/0x458 [ 80.211644][ T5494] show_stack+0x2c/0x3c [ 80.212337][ T5494] __dump_stack+0x30/0x40 [ 80.213042][ T5494] dump_stack_lvl+0xf4/0x15c [ 80.213758][ T5494] dump_stack+0x1c/0x5c [ 80.214415][ T5494] should_fail+0x3bc/0x514 [ 80.215077][ T5494] __should_failslab+0xbc/0x10c [ 80.215917][ T5494] should_failslab+0x10/0x28 [ 80.216729][ T5494] slab_pre_alloc_hook+0x64/0xe8 [ 80.217557][ T5494] __kmalloc_track_caller+0x70/0x358 [ 80.218427][ T5494] kstrdup+0xe4/0x15c [ 80.219054][ T5494] kstrdup_const+0x54/0x6c [ 80.219744][ T5494] kvasprintf_const+0x120/0x2e4 [ 80.220540][ T5494] kobject_set_name_vargs+0xd8/0x1c8 [ 80.221492][ T5494] dev_set_name+0xe8/0x13c [ 80.222240][ T5494] device_add_disk+0x258/0xacc [ 80.223032][ T5494] loop_add+0x510/0x6e0 [ 80.223733][ T5494] loop_control_ioctl+0x130/0x4e0 [ 80.224684][ T5494] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.225341][ T5494] invoke_syscall+0x98/0x2b0 [ 80.225990][ T5494] el0_svc_common+0x138/0x258 [ 80.226682][ T5494] do_el0_svc+0x58/0x13c [ 80.227368][ T5494] el0_svc+0x78/0x1d0 [ 80.228099][ T5494] el0t_64_sync_handler+0xcc/0xe4 [ 80.228911][ T5494] el0t_64_sync+0x1a0/0x1a4 [ 80.238853][ T5496] FAULT_INJECTION: forcing a failure. [ 80.238853][ T5496] name failslab, interval 1, probability 0, space 0, times 0 [ 80.240924][ T5496] CPU: 0 PID: 5496 Comm: syz.0.205 Tainted: G W syzkaller #0 [ 80.242286][ T5496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.243860][ T5496] Call trace: [ 80.244418][ T5496] dump_backtrace+0x0/0x458 [ 80.245126][ T5496] show_stack+0x2c/0x3c [ 80.245757][ T5496] __dump_stack+0x30/0x40 [ 80.246419][ T5496] dump_stack_lvl+0xf4/0x15c [ 80.247141][ T5496] dump_stack+0x1c/0x5c [ 80.247800][ T5496] should_fail+0x3bc/0x514 [ 80.248487][ T5496] __should_failslab+0xbc/0x10c [ 80.249208][ T5496] should_failslab+0x10/0x28 [ 80.249940][ T5496] slab_pre_alloc_hook+0x64/0xe8 [ 80.250709][ T5496] __kmalloc_track_caller+0x70/0x358 [ 80.251495][ T5496] kstrdup+0xe4/0x15c [ 80.252158][ T5496] kstrdup_const+0x54/0x6c [ 80.252832][ T5496] kvasprintf_const+0x120/0x2e4 [ 80.253562][ T5496] kobject_set_name_vargs+0xd8/0x1c8 [ 80.254352][ T5496] dev_set_name+0xe8/0x13c [ 80.255171][ T5496] device_add_disk+0x258/0xacc [ 80.256014][ T5496] loop_add+0x510/0x6e0 [ 80.256706][ T5496] loop_control_ioctl+0x130/0x4e0 [ 80.257534][ T5496] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.258368][ T5496] invoke_syscall+0x98/0x2b0 [ 80.259184][ T5496] el0_svc_common+0x138/0x258 [ 80.259963][ T5496] do_el0_svc+0x58/0x13c [ 80.260595][ T5496] el0_svc+0x78/0x1d0 [ 80.261219][ T5496] el0t_64_sync_handler+0xcc/0xe4 [ 80.262059][ T5496] el0t_64_sync+0x1a0/0x1a4 [ 80.270214][ T5498] FAULT_INJECTION: forcing a failure. [ 80.270214][ T5498] name failslab, interval 1, probability 0, space 0, times 0 [ 80.272466][ T5498] CPU: 1 PID: 5498 Comm: syz.0.206 Tainted: G W syzkaller #0 [ 80.273814][ T5498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.275366][ T5498] Call trace: [ 80.275849][ T5498] dump_backtrace+0x0/0x458 [ 80.276551][ T5498] show_stack+0x2c/0x3c [ 80.277230][ T5498] __dump_stack+0x30/0x40 [ 80.277948][ T5498] dump_stack_lvl+0xf4/0x15c [ 80.278707][ T5498] dump_stack+0x1c/0x5c [ 80.279400][ T5498] should_fail+0x3bc/0x514 [ 80.280156][ T5498] __should_failslab+0xbc/0x10c [ 80.280967][ T5498] should_failslab+0x10/0x28 [ 80.281748][ T5498] slab_pre_alloc_hook+0x64/0xe8 [ 80.282583][ T5498] __kmalloc_track_caller+0x70/0x358 [ 80.283473][ T5498] kstrdup+0xe4/0x15c [ 80.284104][ T5498] kstrdup_const+0x54/0x6c [ 80.284783][ T5498] kvasprintf_const+0x120/0x2e4 [ 80.285551][ T5498] kobject_set_name_vargs+0xd8/0x1c8 [ 80.286415][ T5498] dev_set_name+0xe8/0x13c [ 80.287118][ T5498] device_add_disk+0x258/0xacc [ 80.287896][ T5498] loop_add+0x510/0x6e0 [ 80.288622][ T5498] loop_control_ioctl+0x130/0x4e0 [ 80.289514][ T5498] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.290347][ T5498] invoke_syscall+0x98/0x2b0 [ 80.291093][ T5498] el0_svc_common+0x138/0x258 [ 80.291867][ T5498] do_el0_svc+0x58/0x13c [ 80.292546][ T5498] el0_svc+0x78/0x1d0 [ 80.293239][ T5498] el0t_64_sync_handler+0xcc/0xe4 [ 80.294096][ T5498] el0t_64_sync+0x1a0/0x1a4 [ 80.304787][ T5500] FAULT_INJECTION: forcing a failure. [ 80.304787][ T5500] name failslab, interval 1, probability 0, space 0, times 0 [ 80.307247][ T5500] CPU: 0 PID: 5500 Comm: syz.0.207 Tainted: G W syzkaller #0 [ 80.308737][ T5500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.310452][ T5500] Call trace: [ 80.311026][ T5500] dump_backtrace+0x0/0x458 [ 80.311704][ T5500] show_stack+0x2c/0x3c [ 80.312417][ T5500] __dump_stack+0x30/0x40 [ 80.313130][ T5500] dump_stack_lvl+0xf4/0x15c [ 80.313854][ T5500] dump_stack+0x1c/0x5c [ 80.314525][ T5500] should_fail+0x3bc/0x514 [ 80.315265][ T5500] __should_failslab+0xbc/0x10c [ 80.316100][ T5500] should_failslab+0x10/0x28 [ 80.316901][ T5500] slab_pre_alloc_hook+0x64/0xe8 [ 80.317713][ T5500] kmem_cache_alloc_trace+0x98/0x3ec [ 80.318627][ T5500] rand_initialize_disk+0x58/0xb8 [ 80.319487][ T5500] __alloc_disk_node+0x2a8/0x450 [ 80.320371][ T5500] __blk_mq_alloc_disk+0xe8/0x154 [ 80.321244][ T5500] loop_add+0x240/0x6e0 [ 80.321938][ T5500] loop_control_ioctl+0x130/0x4e0 [ 80.322817][ T5500] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.323671][ T5500] invoke_syscall+0x98/0x2b0 [ 80.324423][ T5500] el0_svc_common+0x138/0x258 [ 80.325230][ T5500] do_el0_svc+0x58/0x13c [ 80.325964][ T5500] el0_svc+0x78/0x1d0 [ 80.326633][ T5500] el0t_64_sync_handler+0xcc/0xe4 [ 80.327428][ T5500] el0t_64_sync+0x1a0/0x1a4 [ 80.353031][ T5502] FAULT_INJECTION: forcing a failure. [ 80.353031][ T5502] name failslab, interval 1, probability 0, space 0, times 0 [ 80.355085][ T5502] CPU: 0 PID: 5502 Comm: syz.0.208 Tainted: G W syzkaller #0 [ 80.356378][ T5502] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.357858][ T5502] Call trace: [ 80.358422][ T5502] dump_backtrace+0x0/0x458 [ 80.359219][ T5502] show_stack+0x2c/0x3c [ 80.359988][ T5502] __dump_stack+0x30/0x40 [ 80.360718][ T5502] dump_stack_lvl+0xf4/0x15c [ 80.361474][ T5502] dump_stack+0x1c/0x5c [ 80.362182][ T5502] should_fail+0x3bc/0x514 [ 80.363014][ T5502] __should_failslab+0xbc/0x10c [ 80.363862][ T5502] should_failslab+0x10/0x28 [ 80.364596][ T5502] slab_pre_alloc_hook+0x64/0xe8 [ 80.365434][ T5502] kmem_cache_alloc+0x94/0x3d4 [ 80.366243][ T5502] __debug_object_init+0x6c4/0xa0c [ 80.367115][ T5502] debug_object_init+0x20/0x2c [ 80.367922][ T5502] init_timer_key+0x54/0x410 [ 80.368745][ T5502] wb_init+0x3cc/0x6e4 [ 80.369382][ T5502] bdi_init+0x1b4/0x2f4 [ 80.369998][ T5502] bdi_alloc+0x6c/0x144 [ 80.370604][ T5502] __alloc_disk_node+0x8c/0x450 [ 80.371356][ T5502] __blk_mq_alloc_disk+0xe8/0x154 [ 80.372250][ T5502] loop_add+0x240/0x6e0 [ 80.372952][ T5502] loop_control_ioctl+0x130/0x4e0 [ 80.373775][ T5502] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.374649][ T5502] invoke_syscall+0x98/0x2b0 [ 80.375484][ T5502] el0_svc_common+0x138/0x258 [ 80.376249][ T5502] do_el0_svc+0x58/0x13c [ 80.376945][ T5502] el0_svc+0x78/0x1d0 [ 80.377554][ T5502] el0t_64_sync_handler+0xcc/0xe4 [ 80.378410][ T5502] el0t_64_sync+0x1a0/0x1a4 [ 80.397142][ T5504] FAULT_INJECTION: forcing a failure. [ 80.397142][ T5504] name failslab, interval 1, probability 0, space 0, times 0 [ 80.399126][ T5504] CPU: 0 PID: 5504 Comm: syz.0.209 Tainted: G W syzkaller #0 [ 80.400475][ T5504] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.402126][ T5504] Call trace: [ 80.402704][ T5504] dump_backtrace+0x0/0x458 [ 80.403463][ T5504] show_stack+0x2c/0x3c [ 80.404148][ T5504] __dump_stack+0x30/0x40 [ 80.404837][ T5504] dump_stack_lvl+0xf4/0x15c [ 80.405540][ T5504] dump_stack+0x1c/0x5c [ 80.406232][ T5504] should_fail+0x3bc/0x514 [ 80.407069][ T5504] __should_failslab+0xbc/0x10c [ 80.407885][ T5504] should_failslab+0x10/0x28 [ 80.408665][ T5504] slab_pre_alloc_hook+0x64/0xe8 [ 80.409525][ T5504] __kmalloc_track_caller+0x70/0x358 [ 80.410412][ T5504] kstrdup+0xe4/0x15c [ 80.411033][ T5504] kstrdup_const+0x54/0x6c [ 80.411743][ T5504] kvasprintf_const+0x120/0x2e4 [ 80.412534][ T5504] kobject_set_name_vargs+0xd8/0x1c8 [ 80.413514][ T5504] dev_set_name+0xe8/0x13c [ 80.414217][ T5504] device_add_disk+0x258/0xacc [ 80.414958][ T5504] loop_add+0x510/0x6e0 [ 80.415682][ T5504] loop_control_ioctl+0x130/0x4e0 [ 80.416513][ T5504] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.417300][ T5504] invoke_syscall+0x98/0x2b0 [ 80.418078][ T5504] el0_svc_common+0x138/0x258 [ 80.418819][ T5504] do_el0_svc+0x58/0x13c [ 80.419581][ T5504] el0_svc+0x78/0x1d0 [ 80.420261][ T5504] el0t_64_sync_handler+0xcc/0xe4 [ 80.420930][ T5504] el0t_64_sync+0x1a0/0x1a4 [ 80.430367][ T5506] FAULT_INJECTION: forcing a failure. [ 80.430367][ T5506] name failslab, interval 1, probability 0, space 0, times 0 [ 80.432330][ T5506] CPU: 0 PID: 5506 Comm: syz.0.210 Tainted: G W syzkaller #0 [ 80.433726][ T5506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.435313][ T5506] Call trace: [ 80.435801][ T5506] dump_backtrace+0x0/0x458 [ 80.436538][ T5506] show_stack+0x2c/0x3c [ 80.437154][ T5506] __dump_stack+0x30/0x40 [ 80.437896][ T5506] dump_stack_lvl+0xf4/0x15c [ 80.438708][ T5506] dump_stack+0x1c/0x5c [ 80.439404][ T5506] should_fail+0x3bc/0x514 [ 80.440167][ T5506] __should_failslab+0xbc/0x10c [ 80.441022][ T5506] should_failslab+0x10/0x28 [ 80.441827][ T5506] slab_pre_alloc_hook+0x64/0xe8 [ 80.442697][ T5506] kmem_cache_alloc_trace+0x98/0x3ec [ 80.443627][ T5506] blk_iolatency_init+0x64/0x430 [ 80.444497][ T5506] blkcg_init_queue+0x3f0/0x484 [ 80.445282][ T5506] blk_alloc_queue+0x3cc/0x4a0 [ 80.446117][ T5506] __blk_mq_alloc_disk+0x5c/0x154 [ 80.446962][ T5506] loop_add+0x240/0x6e0 [ 80.447675][ T5506] loop_control_ioctl+0x130/0x4e0 [ 80.448520][ T5506] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.449342][ T5506] invoke_syscall+0x98/0x2b0 [ 80.450262][ T5506] el0_svc_common+0x138/0x258 [ 80.451051][ T5506] do_el0_svc+0x58/0x13c [ 80.451767][ T5506] el0_svc+0x78/0x1d0 [ 80.452399][ T5506] el0t_64_sync_handler+0xcc/0xe4 [ 80.453222][ T5506] el0t_64_sync+0x1a0/0x1a4 [ 80.462829][ T5508] FAULT_INJECTION: forcing a failure. [ 80.462829][ T5508] name failslab, interval 1, probability 0, space 0, times 0 [ 80.464934][ T5508] CPU: 0 PID: 5508 Comm: syz.0.211 Tainted: G W syzkaller #0 [ 80.466223][ T5508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.467754][ T5508] Call trace: [ 80.468261][ T5508] dump_backtrace+0x0/0x458 [ 80.468953][ T5508] show_stack+0x2c/0x3c [ 80.469629][ T5508] __dump_stack+0x30/0x40 [ 80.470354][ T5508] dump_stack_lvl+0xf4/0x15c [ 80.471101][ T5508] dump_stack+0x1c/0x5c [ 80.471800][ T5508] should_fail+0x3bc/0x514 [ 80.472644][ T5508] __should_failslab+0xbc/0x10c [ 80.473478][ T5508] should_failslab+0x10/0x28 [ 80.474279][ T5508] slab_pre_alloc_hook+0x64/0xe8 [ 80.475102][ T5508] __kmalloc_track_caller+0x70/0x358 [ 80.475945][ T5508] kstrdup+0xe4/0x15c [ 80.476552][ T5508] kstrdup_const+0x54/0x6c [ 80.477328][ T5508] kvasprintf_const+0x120/0x2e4 [ 80.478108][ T5508] kobject_set_name_vargs+0xd8/0x1c8 [ 80.478979][ T5508] dev_set_name+0xe8/0x13c [ 80.479697][ T5508] device_add_disk+0x258/0xacc [ 80.480528][ T5508] loop_add+0x510/0x6e0 [ 80.481222][ T5508] loop_control_ioctl+0x130/0x4e0 [ 80.482038][ T5508] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.482787][ T5508] invoke_syscall+0x98/0x2b0 [ 80.483584][ T5508] el0_svc_common+0x138/0x258 [ 80.484352][ T5508] do_el0_svc+0x58/0x13c [ 80.485043][ T5508] el0_svc+0x78/0x1d0 [ 80.485686][ T5508] el0t_64_sync_handler+0xcc/0xe4 [ 80.486481][ T5508] el0t_64_sync+0x1a0/0x1a4 [ 80.496498][ T5510] FAULT_INJECTION: forcing a failure. [ 80.496498][ T5510] name failslab, interval 1, probability 0, space 0, times 0 [ 80.498487][ T5510] CPU: 1 PID: 5510 Comm: syz.0.212 Tainted: G W syzkaller #0 [ 80.499876][ T5510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.501583][ T5510] Call trace: [ 80.502128][ T5510] dump_backtrace+0x0/0x458 [ 80.502934][ T5510] show_stack+0x2c/0x3c [ 80.503631][ T5510] __dump_stack+0x30/0x40 [ 80.504374][ T5510] dump_stack_lvl+0xf4/0x15c [ 80.505175][ T5510] dump_stack+0x1c/0x5c [ 80.505873][ T5510] should_fail+0x3bc/0x514 [ 80.506630][ T5510] __should_failslab+0xbc/0x10c [ 80.507389][ T5510] should_failslab+0x10/0x28 [ 80.508086][ T5510] slab_pre_alloc_hook+0x64/0xe8 [ 80.508833][ T5510] __kmalloc_track_caller+0x70/0x358 [ 80.509793][ T5510] kstrdup+0xe4/0x15c [ 80.510485][ T5510] kstrdup_const+0x54/0x6c [ 80.511196][ T5510] kvasprintf_const+0x120/0x2e4 [ 80.511998][ T5510] kobject_set_name_vargs+0xd8/0x1c8 [ 80.512924][ T5510] dev_set_name+0xe8/0x13c [ 80.513696][ T5510] device_add_disk+0x258/0xacc [ 80.514557][ T5510] loop_add+0x510/0x6e0 [ 80.515292][ T5510] loop_control_ioctl+0x130/0x4e0 [ 80.516041][ T5510] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.516861][ T5510] invoke_syscall+0x98/0x2b0 [ 80.517624][ T5510] el0_svc_common+0x138/0x258 [ 80.518346][ T5510] do_el0_svc+0x58/0x13c [ 80.519165][ T5510] el0_svc+0x78/0x1d0 [ 80.519865][ T5510] el0t_64_sync_handler+0xcc/0xe4 [ 80.520695][ T5510] el0t_64_sync+0x1a0/0x1a4 [ 80.531279][ T5512] FAULT_INJECTION: forcing a failure. [ 80.531279][ T5512] name failslab, interval 1, probability 0, space 0, times 0 [ 80.533369][ T5512] CPU: 1 PID: 5512 Comm: syz.0.213 Tainted: G W syzkaller #0 [ 80.534856][ T5512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.536477][ T5512] Call trace: [ 80.537031][ T5512] dump_backtrace+0x0/0x458 [ 80.537768][ T5512] show_stack+0x2c/0x3c [ 80.538381][ T5512] __dump_stack+0x30/0x40 [ 80.539047][ T5512] dump_stack_lvl+0xf4/0x15c [ 80.539803][ T5512] dump_stack+0x1c/0x5c [ 80.540474][ T5512] should_fail+0x3bc/0x514 [ 80.541204][ T5512] __should_failslab+0xbc/0x10c [ 80.541896][ T5512] should_failslab+0x10/0x28 [ 80.542628][ T5512] slab_pre_alloc_hook+0x64/0xe8 [ 80.543340][ T5512] __kmalloc_track_caller+0x70/0x358 [ 80.544247][ T5512] kstrdup+0xe4/0x15c [ 80.544878][ T5512] kstrdup_const+0x54/0x6c [ 80.545573][ T5512] kvasprintf_const+0x120/0x2e4 [ 80.546321][ T5512] kobject_set_name_vargs+0xd8/0x1c8 [ 80.547152][ T5512] dev_set_name+0xe8/0x13c [ 80.547879][ T5512] device_add_disk+0x258/0xacc [ 80.548658][ T5512] loop_add+0x510/0x6e0 [ 80.549386][ T5512] loop_control_ioctl+0x130/0x4e0 [ 80.550171][ T5512] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.550993][ T5512] invoke_syscall+0x98/0x2b0 [ 80.551688][ T5512] el0_svc_common+0x138/0x258 [ 80.552454][ T5512] do_el0_svc+0x58/0x13c [ 80.553179][ T5512] el0_svc+0x78/0x1d0 [ 80.553829][ T5512] el0t_64_sync_handler+0xcc/0xe4 [ 80.554707][ T5512] el0t_64_sync+0x1a0/0x1a4 [ 80.564738][ T5514] FAULT_INJECTION: forcing a failure. [ 80.564738][ T5514] name failslab, interval 1, probability 0, space 0, times 0 [ 80.566701][ T5514] CPU: 0 PID: 5514 Comm: syz.0.214 Tainted: G W syzkaller #0 [ 80.568060][ T5514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.569634][ T5514] Call trace: [ 80.570182][ T5514] dump_backtrace+0x0/0x458 [ 80.570927][ T5514] show_stack+0x2c/0x3c [ 80.571635][ T5514] __dump_stack+0x30/0x40 [ 80.572383][ T5514] dump_stack_lvl+0xf4/0x15c [ 80.573187][ T5514] dump_stack+0x1c/0x5c [ 80.573888][ T5514] should_fail+0x3bc/0x514 [ 80.574626][ T5514] __should_failslab+0xbc/0x10c [ 80.575475][ T5514] should_failslab+0x10/0x28 [ 80.576245][ T5514] slab_pre_alloc_hook+0x64/0xe8 [ 80.577136][ T5514] kmem_cache_alloc+0x94/0x3d4 [ 80.577925][ T5514] security_inode_alloc+0x38/0x11c [ 80.578777][ T5514] inode_init_always+0x670/0xa84 [ 80.579579][ T5514] new_inode_pseudo+0x7c/0x1fc [ 80.580370][ T5514] new_inode+0x38/0x174 [ 80.581085][ T5514] bdev_alloc+0x30/0x1f8 [ 80.581828][ T5514] __alloc_disk_node+0xbc/0x450 [ 80.582658][ T5514] __blk_mq_alloc_disk+0xe8/0x154 [ 80.583531][ T5514] loop_add+0x240/0x6e0 [ 80.584251][ T5514] loop_control_ioctl+0x130/0x4e0 [ 80.585141][ T5514] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.585935][ T5514] invoke_syscall+0x98/0x2b0 [ 80.586696][ T5514] el0_svc_common+0x138/0x258 [ 80.587509][ T5514] do_el0_svc+0x58/0x13c [ 80.588279][ T5514] el0_svc+0x78/0x1d0 [ 80.589001][ T5514] el0t_64_sync_handler+0xcc/0xe4 [ 80.589889][ T5514] el0t_64_sync+0x1a0/0x1a4 [ 80.598875][ T5516] FAULT_INJECTION: forcing a failure. [ 80.598875][ T5516] name failslab, interval 1, probability 0, space 0, times 0 [ 80.601550][ T5516] CPU: 1 PID: 5516 Comm: syz.0.215 Tainted: G W syzkaller #0 [ 80.602843][ T5516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.604406][ T5516] Call trace: [ 80.604885][ T5516] dump_backtrace+0x0/0x458 [ 80.605614][ T5516] show_stack+0x2c/0x3c [ 80.606209][ T5516] __dump_stack+0x30/0x40 [ 80.606921][ T5516] dump_stack_lvl+0xf4/0x15c [ 80.607763][ T5516] dump_stack+0x1c/0x5c [ 80.608484][ T5516] should_fail+0x3bc/0x514 [ 80.609264][ T5516] __should_failslab+0xbc/0x10c [ 80.610091][ T5516] should_failslab+0x10/0x28 [ 80.610843][ T5516] slab_pre_alloc_hook+0x64/0xe8 [ 80.611663][ T5516] kmem_cache_alloc_trace+0x98/0x3ec [ 80.612607][ T5516] blk_iolatency_init+0x64/0x430 [ 80.613365][ T5516] blkcg_init_queue+0x3f0/0x484 [ 80.614128][ T5516] blk_alloc_queue+0x3cc/0x4a0 [ 80.614949][ T5516] __blk_mq_alloc_disk+0x5c/0x154 [ 80.615735][ T5516] loop_add+0x240/0x6e0 [ 80.616439][ T5516] loop_control_ioctl+0x130/0x4e0 [ 80.617276][ T5516] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.618098][ T5516] invoke_syscall+0x98/0x2b0 [ 80.618839][ T5516] el0_svc_common+0x138/0x258 [ 80.619555][ T5516] do_el0_svc+0x58/0x13c [ 80.620203][ T5516] el0_svc+0x78/0x1d0 [ 80.620810][ T5516] el0t_64_sync_handler+0xcc/0xe4 [ 80.621586][ T5516] el0t_64_sync+0x1a0/0x1a4 [ 80.635693][ T5518] FAULT_INJECTION: forcing a failure. [ 80.635693][ T5518] name failslab, interval 1, probability 0, space 0, times 0 [ 80.637737][ T5518] CPU: 1 PID: 5518 Comm: syz.0.216 Tainted: G W syzkaller #0 [ 80.639155][ T5518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.640695][ T5518] Call trace: [ 80.641226][ T5518] dump_backtrace+0x0/0x458 [ 80.642033][ T5518] show_stack+0x2c/0x3c [ 80.642712][ T5518] __dump_stack+0x30/0x40 [ 80.643465][ T5518] dump_stack_lvl+0xf4/0x15c [ 80.644141][ T5518] dump_stack+0x1c/0x5c [ 80.644768][ T5518] should_fail+0x3bc/0x514 [ 80.645507][ T5518] __should_failslab+0xbc/0x10c [ 80.646403][ T5518] should_failslab+0x10/0x28 [ 80.647148][ T5518] slab_pre_alloc_hook+0x64/0xe8 [ 80.647933][ T5518] kmem_cache_alloc_trace+0x98/0x3ec [ 80.648823][ T5518] blk_iolatency_init+0x64/0x430 [ 80.649614][ T5518] blkcg_init_queue+0x3f0/0x484 [ 80.650379][ T5518] blk_alloc_queue+0x3cc/0x4a0 [ 80.651160][ T5518] __blk_mq_alloc_disk+0x5c/0x154 [ 80.651952][ T5518] loop_add+0x240/0x6e0 [ 80.652648][ T5518] loop_control_ioctl+0x130/0x4e0 [ 80.653495][ T5518] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.654369][ T5518] invoke_syscall+0x98/0x2b0 [ 80.655178][ T5518] el0_svc_common+0x138/0x258 [ 80.655973][ T5518] do_el0_svc+0x58/0x13c [ 80.656746][ T5518] el0_svc+0x78/0x1d0 [ 80.657363][ T5518] el0t_64_sync_handler+0xcc/0xe4 [ 80.658185][ T5518] el0t_64_sync+0x1a0/0x1a4 [ 80.675517][ T5520] FAULT_INJECTION: forcing a failure. [ 80.675517][ T5520] name failslab, interval 1, probability 0, space 0, times 0 [ 80.677578][ T5520] CPU: 0 PID: 5520 Comm: syz.0.217 Tainted: G W syzkaller #0 [ 80.678990][ T5520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.680761][ T5520] Call trace: [ 80.681283][ T5520] dump_backtrace+0x0/0x458 [ 80.682064][ T5520] show_stack+0x2c/0x3c [ 80.682755][ T5520] __dump_stack+0x30/0x40 [ 80.683495][ T5520] dump_stack_lvl+0xf4/0x15c [ 80.684254][ T5520] dump_stack+0x1c/0x5c [ 80.684954][ T5520] should_fail+0x3bc/0x514 [ 80.685668][ T5520] __should_failslab+0xbc/0x10c [ 80.686590][ T5520] should_failslab+0x10/0x28 [ 80.687366][ T5520] slab_pre_alloc_hook+0x64/0xe8 [ 80.688230][ T5520] __kmalloc_track_caller+0x70/0x358 [ 80.689151][ T5520] kstrdup+0xe4/0x15c [ 80.689809][ T5520] kstrdup_const+0x54/0x6c [ 80.690615][ T5520] kvasprintf_const+0x120/0x2e4 [ 80.691490][ T5520] kobject_set_name_vargs+0xd8/0x1c8 [ 80.692403][ T5520] dev_set_name+0xe8/0x13c [ 80.693177][ T5520] device_add_disk+0x258/0xacc [ 80.693958][ T5520] loop_add+0x510/0x6e0 [ 80.694651][ T5520] loop_control_ioctl+0x130/0x4e0 [ 80.695505][ T5520] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.696389][ T5520] invoke_syscall+0x98/0x2b0 [ 80.697166][ T5520] el0_svc_common+0x138/0x258 [ 80.697970][ T5520] do_el0_svc+0x58/0x13c [ 80.698695][ T5520] el0_svc+0x78/0x1d0 [ 80.699359][ T5520] el0t_64_sync_handler+0xcc/0xe4 [ 80.700173][ T5520] el0t_64_sync+0x1a0/0x1a4 [ 80.710201][ T5522] FAULT_INJECTION: forcing a failure. [ 80.710201][ T5522] name failslab, interval 1, probability 0, space 0, times 0 [ 80.716868][ T5522] CPU: 1 PID: 5522 Comm: syz.0.218 Tainted: G W syzkaller #0 [ 80.718182][ T5522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.719753][ T5522] Call trace: [ 80.720318][ T5522] dump_backtrace+0x0/0x458 [ 80.721031][ T5522] show_stack+0x2c/0x3c [ 80.721678][ T5522] __dump_stack+0x30/0x40 [ 80.722382][ T5522] dump_stack_lvl+0xf4/0x15c [ 80.723221][ T5522] dump_stack+0x1c/0x5c [ 80.723951][ T5522] should_fail+0x3bc/0x514 [ 80.724681][ T5522] __should_failslab+0xbc/0x10c [ 80.725542][ T5522] should_failslab+0x10/0x28 [ 80.726267][ T5522] slab_pre_alloc_hook+0x64/0xe8 [ 80.727063][ T5522] __kmalloc_track_caller+0x70/0x358 [ 80.727985][ T5522] kstrdup+0xe4/0x15c [ 80.728663][ T5522] kstrdup_const+0x54/0x6c [ 80.729345][ T5522] kvasprintf_const+0x120/0x2e4 [ 80.730167][ T5522] kobject_set_name_vargs+0xd8/0x1c8 [ 80.731070][ T5522] dev_set_name+0xe8/0x13c [ 80.731835][ T5522] device_add_disk+0x258/0xacc [ 80.732582][ T5522] loop_add+0x510/0x6e0 [ 80.733308][ T5522] loop_control_ioctl+0x130/0x4e0 [ 80.734180][ T5522] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.735063][ T5522] invoke_syscall+0x98/0x2b0 [ 80.735852][ T5522] el0_svc_common+0x138/0x258 [ 80.736599][ T5522] do_el0_svc+0x58/0x13c [ 80.737376][ T5522] el0_svc+0x78/0x1d0 [ 80.738033][ T5522] el0t_64_sync_handler+0xcc/0xe4 [ 80.738847][ T5522] el0t_64_sync+0x1a0/0x1a4 [ 80.749627][ T5524] FAULT_INJECTION: forcing a failure. [ 80.749627][ T5524] name failslab, interval 1, probability 0, space 0, times 0 [ 80.752095][ T5524] CPU: 1 PID: 5524 Comm: syz.0.219 Tainted: G W syzkaller #0 [ 80.753531][ T5524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.755216][ T5524] Call trace: [ 80.755764][ T5524] dump_backtrace+0x0/0x458 [ 80.756491][ T5524] show_stack+0x2c/0x3c [ 80.757112][ T5524] __dump_stack+0x30/0x40 [ 80.757782][ T5524] dump_stack_lvl+0xf4/0x15c [ 80.758511][ T5524] dump_stack+0x1c/0x5c [ 80.759198][ T5524] should_fail+0x3bc/0x514 [ 80.759837][ T5524] __should_failslab+0xbc/0x10c [ 80.760588][ T5524] should_failslab+0x10/0x28 [ 80.761339][ T5524] slab_pre_alloc_hook+0x64/0xe8 [ 80.762112][ T5524] __kmalloc_track_caller+0x70/0x358 [ 80.762951][ T5524] kstrdup+0xe4/0x15c [ 80.763593][ T5524] kstrdup_const+0x54/0x6c [ 80.764279][ T5524] kvasprintf_const+0x120/0x2e4 [ 80.765049][ T5524] kobject_set_name_vargs+0xd8/0x1c8 [ 80.765963][ T5524] dev_set_name+0xe8/0x13c [ 80.766665][ T5524] device_add_disk+0x258/0xacc [ 80.767445][ T5524] loop_add+0x510/0x6e0 [ 80.768067][ T5524] loop_control_ioctl+0x130/0x4e0 [ 80.768951][ T5524] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.769857][ T5524] invoke_syscall+0x98/0x2b0 [ 80.770638][ T5524] el0_svc_common+0x138/0x258 [ 80.771406][ T5524] do_el0_svc+0x58/0x13c [ 80.772083][ T5524] el0_svc+0x78/0x1d0 [ 80.772750][ T5524] el0t_64_sync_handler+0xcc/0xe4 [ 80.773676][ T5524] el0t_64_sync+0x1a0/0x1a4 [ 80.786150][ T5526] FAULT_INJECTION: forcing a failure. [ 80.786150][ T5526] name failslab, interval 1, probability 0, space 0, times 0 [ 80.788298][ T5526] CPU: 1 PID: 5526 Comm: syz.0.220 Tainted: G W syzkaller #0 [ 80.789739][ T5526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.791470][ T5526] Call trace: [ 80.791999][ T5526] dump_backtrace+0x0/0x458 [ 80.792731][ T5526] show_stack+0x2c/0x3c [ 80.793397][ T5526] __dump_stack+0x30/0x40 [ 80.794100][ T5526] dump_stack_lvl+0xf4/0x15c [ 80.794843][ T5526] dump_stack+0x1c/0x5c [ 80.795541][ T5526] should_fail+0x3bc/0x514 [ 80.796361][ T5526] __should_failslab+0xbc/0x10c [ 80.797263][ T5526] should_failslab+0x10/0x28 [ 80.798009][ T5526] slab_pre_alloc_hook+0x64/0xe8 [ 80.798866][ T5526] kmem_cache_alloc+0x94/0x3d4 [ 80.799706][ T5526] security_inode_alloc+0x38/0x11c [ 80.800596][ T5526] inode_init_always+0x670/0xa84 [ 80.801428][ T5526] new_inode_pseudo+0x7c/0x1fc [ 80.802201][ T5526] new_inode+0x38/0x174 [ 80.802955][ T5526] bdev_alloc+0x30/0x1f8 [ 80.803609][ T5526] __alloc_disk_node+0xbc/0x450 [ 80.804417][ T5526] __blk_mq_alloc_disk+0xe8/0x154 [ 80.805284][ T5526] loop_add+0x240/0x6e0 [ 80.806015][ T5526] loop_control_ioctl+0x130/0x4e0 [ 80.806855][ T5526] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.807685][ T5526] invoke_syscall+0x98/0x2b0 [ 80.808480][ T5526] el0_svc_common+0x138/0x258 [ 80.809302][ T5526] do_el0_svc+0x58/0x13c [ 80.810034][ T5526] el0_svc+0x78/0x1d0 [ 80.810720][ T5526] el0t_64_sync_handler+0xcc/0xe4 [ 80.811559][ T5526] el0t_64_sync+0x1a0/0x1a4 [ 80.824740][ T5528] FAULT_INJECTION: forcing a failure. [ 80.824740][ T5528] name failslab, interval 1, probability 0, space 0, times 0 [ 80.830297][ T5528] CPU: 0 PID: 5528 Comm: syz.0.221 Tainted: G W syzkaller #0 [ 80.831624][ T5528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.833343][ T5528] Call trace: [ 80.833868][ T5528] dump_backtrace+0x0/0x458 [ 80.834618][ T5528] show_stack+0x2c/0x3c [ 80.835331][ T5528] __dump_stack+0x30/0x40 [ 80.836042][ T5528] dump_stack_lvl+0xf4/0x15c [ 80.836847][ T5528] dump_stack+0x1c/0x5c [ 80.837516][ T5528] should_fail+0x3bc/0x514 [ 80.838267][ T5528] __should_failslab+0xbc/0x10c [ 80.839052][ T5528] should_failslab+0x10/0x28 [ 80.839708][ T5528] slab_pre_alloc_hook+0x64/0xe8 [ 80.840436][ T5528] __kmalloc_track_caller+0x70/0x358 [ 80.841277][ T5528] kstrdup+0xe4/0x15c [ 80.841882][ T5528] kstrdup_const+0x54/0x6c [ 80.842614][ T5528] kvasprintf_const+0x120/0x2e4 [ 80.843325][ T5528] kobject_set_name_vargs+0xd8/0x1c8 [ 80.844193][ T5528] dev_set_name+0xe8/0x13c [ 80.844872][ T5528] device_add_disk+0x258/0xacc [ 80.845588][ T5528] loop_add+0x510/0x6e0 [ 80.846210][ T5528] loop_control_ioctl+0x130/0x4e0 [ 80.846990][ T5528] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.847763][ T5528] invoke_syscall+0x98/0x2b0 [ 80.848498][ T5528] el0_svc_common+0x138/0x258 [ 80.849224][ T5528] do_el0_svc+0x58/0x13c [ 80.849891][ T5528] el0_svc+0x78/0x1d0 [ 80.850495][ T5528] el0t_64_sync_handler+0xcc/0xe4 [ 80.851270][ T5528] el0t_64_sync+0x1a0/0x1a4 [ 80.860148][ T5530] FAULT_INJECTION: forcing a failure. [ 80.860148][ T5530] name failslab, interval 1, probability 0, space 0, times 0 [ 80.863204][ T5530] CPU: 1 PID: 5530 Comm: syz.0.222 Tainted: G W syzkaller #0 [ 80.864597][ T5530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.866148][ T5530] Call trace: [ 80.866682][ T5530] dump_backtrace+0x0/0x458 [ 80.867427][ T5530] show_stack+0x2c/0x3c [ 80.868132][ T5530] __dump_stack+0x30/0x40 [ 80.868918][ T5530] dump_stack_lvl+0xf4/0x15c [ 80.869732][ T5530] dump_stack+0x1c/0x5c [ 80.870434][ T5530] should_fail+0x3bc/0x514 [ 80.871033][ T5530] __should_failslab+0xbc/0x10c [ 80.871799][ T5530] should_failslab+0x10/0x28 [ 80.872508][ T5530] slab_pre_alloc_hook+0x64/0xe8 [ 80.873337][ T5530] __kmalloc_track_caller+0x70/0x358 [ 80.874086][ T5530] kstrdup+0xe4/0x15c [ 80.874666][ T5530] kstrdup_const+0x54/0x6c [ 80.875301][ T5530] kvasprintf_const+0x120/0x2e4 [ 80.876050][ T5530] kobject_set_name_vargs+0xd8/0x1c8 [ 80.876840][ T5530] dev_set_name+0xe8/0x13c [ 80.877513][ T5530] device_add_disk+0x258/0xacc [ 80.878199][ T5530] loop_add+0x510/0x6e0 [ 80.878837][ T5530] loop_control_ioctl+0x130/0x4e0 [ 80.879650][ T5530] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.880429][ T5530] invoke_syscall+0x98/0x2b0 [ 80.881165][ T5530] el0_svc_common+0x138/0x258 [ 80.881953][ T5530] do_el0_svc+0x58/0x13c [ 80.882619][ T5530] el0_svc+0x78/0x1d0 [ 80.883288][ T5530] el0t_64_sync_handler+0xcc/0xe4 [ 80.884115][ T5530] el0t_64_sync+0x1a0/0x1a4 [ 80.893529][ T5532] FAULT_INJECTION: forcing a failure. [ 80.893529][ T5532] name failslab, interval 1, probability 0, space 0, times 0 [ 80.895411][ T5532] CPU: 1 PID: 5532 Comm: syz.0.223 Tainted: G W syzkaller #0 [ 80.896729][ T5532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.898221][ T5532] Call trace: [ 80.898711][ T5532] dump_backtrace+0x0/0x458 [ 80.899385][ T5532] show_stack+0x2c/0x3c [ 80.900030][ T5532] __dump_stack+0x30/0x40 [ 80.900777][ T5532] dump_stack_lvl+0xf4/0x15c [ 80.901520][ T5532] dump_stack+0x1c/0x5c [ 80.902205][ T5532] should_fail+0x3bc/0x514 [ 80.902908][ T5532] __should_failslab+0xbc/0x10c [ 80.903708][ T5532] should_failslab+0x10/0x28 [ 80.904445][ T5532] slab_pre_alloc_hook+0x64/0xe8 [ 80.905217][ T5532] __kmalloc_track_caller+0x70/0x358 [ 80.906033][ T5532] kstrdup+0xe4/0x15c [ 80.906723][ T5532] kstrdup_const+0x54/0x6c [ 80.907418][ T5532] kvasprintf_const+0x120/0x2e4 [ 80.908229][ T5532] kobject_set_name_vargs+0xd8/0x1c8 [ 80.909100][ T5532] dev_set_name+0xe8/0x13c [ 80.909903][ T5532] device_add_disk+0x258/0xacc [ 80.910687][ T5532] loop_add+0x510/0x6e0 [ 80.911389][ T5532] loop_control_ioctl+0x130/0x4e0 [ 80.912299][ T5532] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.913147][ T5532] invoke_syscall+0x98/0x2b0 [ 80.913887][ T5532] el0_svc_common+0x138/0x258 [ 80.914721][ T5532] do_el0_svc+0x58/0x13c [ 80.915468][ T5532] el0_svc+0x78/0x1d0 [ 80.916147][ T5532] el0t_64_sync_handler+0xcc/0xe4 [ 80.916965][ T5532] el0t_64_sync+0x1a0/0x1a4 [ 80.928099][ T5534] FAULT_INJECTION: forcing a failure. [ 80.928099][ T5534] name failslab, interval 1, probability 0, space 0, times 0 [ 80.930344][ T5534] CPU: 1 PID: 5534 Comm: syz.0.224 Tainted: G W syzkaller #0 [ 80.931758][ T5534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.933339][ T5534] Call trace: [ 80.933846][ T5534] dump_backtrace+0x0/0x458 [ 80.934509][ T5534] show_stack+0x2c/0x3c [ 80.935081][ T5534] __dump_stack+0x30/0x40 [ 80.935845][ T5534] dump_stack_lvl+0xf4/0x15c [ 80.936619][ T5534] dump_stack+0x1c/0x5c [ 80.937344][ T5534] should_fail+0x3bc/0x514 [ 80.938133][ T5534] __should_failslab+0xbc/0x10c [ 80.938946][ T5534] should_failslab+0x10/0x28 [ 80.939760][ T5534] slab_pre_alloc_hook+0x64/0xe8 [ 80.940577][ T5534] __kmalloc_track_caller+0x70/0x358 [ 80.941438][ T5534] kstrdup+0xe4/0x15c [ 80.942090][ T5534] kstrdup_const+0x54/0x6c [ 80.942844][ T5534] kvasprintf_const+0x120/0x2e4 [ 80.943640][ T5534] kobject_set_name_vargs+0xd8/0x1c8 [ 80.944535][ T5534] dev_set_name+0xe8/0x13c [ 80.945277][ T5534] device_add_disk+0x258/0xacc [ 80.946076][ T5534] loop_add+0x510/0x6e0 [ 80.946770][ T5534] loop_control_ioctl+0x130/0x4e0 [ 80.947615][ T5534] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.948455][ T5534] invoke_syscall+0x98/0x2b0 [ 80.949181][ T5534] el0_svc_common+0x138/0x258 [ 80.949932][ T5534] do_el0_svc+0x58/0x13c [ 80.950597][ T5534] el0_svc+0x78/0x1d0 [ 80.951271][ T5534] el0t_64_sync_handler+0xcc/0xe4 [ 80.952052][ T5534] el0t_64_sync+0x1a0/0x1a4 [ 80.962478][ T5536] FAULT_INJECTION: forcing a failure. [ 80.962478][ T5536] name failslab, interval 1, probability 0, space 0, times 0 [ 80.964559][ T5536] CPU: 1 PID: 5536 Comm: syz.0.225 Tainted: G W syzkaller #0 [ 80.965999][ T5536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 80.967544][ T5536] Call trace: [ 80.968013][ T5536] dump_backtrace+0x0/0x458 [ 80.968715][ T5536] show_stack+0x2c/0x3c [ 80.969412][ T5536] __dump_stack+0x30/0x40 [ 80.970158][ T5536] dump_stack_lvl+0xf4/0x15c [ 80.970891][ T5536] dump_stack+0x1c/0x5c [ 80.971570][ T5536] should_fail+0x3bc/0x514 [ 80.972296][ T5536] __should_failslab+0xbc/0x10c [ 80.972983][ T5536] should_failslab+0x10/0x28 [ 80.973763][ T5536] slab_pre_alloc_hook+0x64/0xe8 [ 80.974650][ T5536] kmem_cache_alloc_trace+0x98/0x3ec [ 80.975611][ T5536] rand_initialize_disk+0x58/0xb8 [ 80.976471][ T5536] __alloc_disk_node+0x2a8/0x450 [ 80.977334][ T5536] __blk_mq_alloc_disk+0xe8/0x154 [ 80.978204][ T5536] loop_add+0x240/0x6e0 [ 80.978874][ T5536] loop_control_ioctl+0x130/0x4e0 [ 80.979663][ T5536] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.980562][ T5536] invoke_syscall+0x98/0x2b0 [ 80.981249][ T5536] el0_svc_common+0x138/0x258 [ 80.981987][ T5536] do_el0_svc+0x58/0x13c [ 80.982611][ T5536] el0_svc+0x78/0x1d0 [ 80.983248][ T5536] el0t_64_sync_handler+0xcc/0xe4 [ 80.984047][ T5536] el0t_64_sync+0x1a0/0x1a4 [ 80.997698][ T5538] FAULT_INJECTION: forcing a failure. [ 80.997698][ T5538] name failslab, interval 1, probability 0, space 0, times 0 [ 80.999838][ T5538] CPU: 0 PID: 5538 Comm: syz.0.226 Tainted: G W syzkaller #0 [ 81.001246][ T5538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.002955][ T5538] Call trace: [ 81.003496][ T5538] dump_backtrace+0x0/0x458 [ 81.004266][ T5538] show_stack+0x2c/0x3c [ 81.004958][ T5538] __dump_stack+0x30/0x40 [ 81.005643][ T5538] dump_stack_lvl+0xf4/0x15c [ 81.006377][ T5538] dump_stack+0x1c/0x5c [ 81.007082][ T5538] should_fail+0x3bc/0x514 [ 81.007834][ T5538] __should_failslab+0xbc/0x10c [ 81.008643][ T5538] should_failslab+0x10/0x28 [ 81.009387][ T5538] slab_pre_alloc_hook+0x64/0xe8 [ 81.010185][ T5538] kmem_cache_alloc_trace+0x98/0x3ec [ 81.011077][ T5538] rand_initialize_disk+0x58/0xb8 [ 81.011824][ T5538] __alloc_disk_node+0x2a8/0x450 [ 81.012624][ T5538] __blk_mq_alloc_disk+0xe8/0x154 [ 81.013414][ T5538] loop_add+0x240/0x6e0 [ 81.014107][ T5538] loop_control_ioctl+0x130/0x4e0 [ 81.014884][ T5538] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.015659][ T5538] invoke_syscall+0x98/0x2b0 [ 81.016378][ T5538] el0_svc_common+0x138/0x258 [ 81.017151][ T5538] do_el0_svc+0x58/0x13c [ 81.017864][ T5538] el0_svc+0x78/0x1d0 [ 81.018494][ T5538] el0t_64_sync_handler+0xcc/0xe4 [ 81.019388][ T5538] el0t_64_sync+0x1a0/0x1a4 [ 81.032822][ T5540] FAULT_INJECTION: forcing a failure. [ 81.032822][ T5540] name failslab, interval 1, probability 0, space 0, times 0 [ 81.035099][ T5540] CPU: 1 PID: 5540 Comm: syz.0.227 Tainted: G W syzkaller #0 [ 81.036461][ T5540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.038050][ T5540] Call trace: [ 81.038560][ T5540] dump_backtrace+0x0/0x458 [ 81.039225][ T5540] show_stack+0x2c/0x3c [ 81.039973][ T5540] __dump_stack+0x30/0x40 [ 81.040722][ T5540] dump_stack_lvl+0xf4/0x15c [ 81.041480][ T5540] dump_stack+0x1c/0x5c [ 81.042157][ T5540] should_fail+0x3bc/0x514 [ 81.042919][ T5540] __should_failslab+0xbc/0x10c [ 81.043647][ T5540] should_failslab+0x10/0x28 [ 81.044344][ T5540] slab_pre_alloc_hook+0x64/0xe8 [ 81.045111][ T5540] __kmalloc_track_caller+0x70/0x358 [ 81.045993][ T5540] kstrdup+0xe4/0x15c [ 81.046663][ T5540] kstrdup_const+0x54/0x6c [ 81.047299][ T5540] kvasprintf_const+0x120/0x2e4 [ 81.048042][ T5540] kobject_set_name_vargs+0xd8/0x1c8 [ 81.048809][ T5540] dev_set_name+0xe8/0x13c [ 81.049639][ T5540] device_add_disk+0x258/0xacc [ 81.050520][ T5540] loop_add+0x510/0x6e0 [ 81.051322][ T5540] loop_control_ioctl+0x130/0x4e0 [ 81.052175][ T5540] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.053011][ T5540] invoke_syscall+0x98/0x2b0 [ 81.053841][ T5540] el0_svc_common+0x138/0x258 [ 81.054651][ T5540] do_el0_svc+0x58/0x13c [ 81.055384][ T5540] el0_svc+0x78/0x1d0 [ 81.056006][ T5540] el0t_64_sync_handler+0xcc/0xe4 [ 81.056834][ T5540] el0t_64_sync+0x1a0/0x1a4 [ 81.066509][ T5542] FAULT_INJECTION: forcing a failure. [ 81.066509][ T5542] name failslab, interval 1, probability 0, space 0, times 0 [ 81.068641][ T5542] CPU: 0 PID: 5542 Comm: syz.0.228 Tainted: G W syzkaller #0 [ 81.070099][ T5542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.071787][ T5542] Call trace: [ 81.072315][ T5542] dump_backtrace+0x0/0x458 [ 81.073094][ T5542] show_stack+0x2c/0x3c [ 81.073798][ T5542] __dump_stack+0x30/0x40 [ 81.074519][ T5542] dump_stack_lvl+0xf4/0x15c [ 81.075331][ T5542] dump_stack+0x1c/0x5c [ 81.076072][ T5542] should_fail+0x3bc/0x514 [ 81.076814][ T5542] __should_failslab+0xbc/0x10c [ 81.077644][ T5542] should_failslab+0x10/0x28 [ 81.078492][ T5542] slab_pre_alloc_hook+0x64/0xe8 [ 81.079309][ T5542] __kmalloc_track_caller+0x70/0x358 [ 81.080249][ T5542] kstrdup+0xe4/0x15c [ 81.080955][ T5542] kstrdup_const+0x54/0x6c [ 81.081701][ T5542] kvasprintf_const+0x120/0x2e4 [ 81.082515][ T5542] kobject_set_name_vargs+0xd8/0x1c8 [ 81.083476][ T5542] dev_set_name+0xe8/0x13c [ 81.084183][ T5542] device_add_disk+0x258/0xacc [ 81.084991][ T5542] loop_add+0x510/0x6e0 [ 81.085698][ T5542] loop_control_ioctl+0x130/0x4e0 [ 81.086581][ T5542] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.087375][ T5542] invoke_syscall+0x98/0x2b0 [ 81.088216][ T5542] el0_svc_common+0x138/0x258 [ 81.089016][ T5542] do_el0_svc+0x58/0x13c [ 81.089791][ T5542] el0_svc+0x78/0x1d0 [ 81.090461][ T5542] el0t_64_sync_handler+0xcc/0xe4 [ 81.091311][ T5542] el0t_64_sync+0x1a0/0x1a4 [ 81.100348][ T5544] FAULT_INJECTION: forcing a failure. [ 81.100348][ T5544] name failslab, interval 1, probability 0, space 0, times 0 [ 81.102348][ T5544] CPU: 0 PID: 5544 Comm: syz.0.229 Tainted: G W syzkaller #0 [ 81.103753][ T5544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.105341][ T5544] Call trace: [ 81.105892][ T5544] dump_backtrace+0x0/0x458 [ 81.106556][ T5544] show_stack+0x2c/0x3c [ 81.107146][ T5544] __dump_stack+0x30/0x40 [ 81.107828][ T5544] dump_stack_lvl+0xf4/0x15c [ 81.108518][ T5544] dump_stack+0x1c/0x5c [ 81.109133][ T5544] should_fail+0x3bc/0x514 [ 81.109957][ T5544] __should_failslab+0xbc/0x10c [ 81.110783][ T5544] should_failslab+0x10/0x28 [ 81.111542][ T5544] slab_pre_alloc_hook+0x64/0xe8 [ 81.112341][ T5544] kmem_cache_alloc+0x94/0x3d4 [ 81.113163][ T5544] security_inode_alloc+0x38/0x11c [ 81.113970][ T5544] inode_init_always+0x670/0xa84 [ 81.114812][ T5544] new_inode_pseudo+0x7c/0x1fc [ 81.115603][ T5544] new_inode+0x38/0x174 [ 81.116278][ T5544] bdev_alloc+0x30/0x1f8 [ 81.117003][ T5544] __alloc_disk_node+0xbc/0x450 [ 81.117832][ T5544] __blk_mq_alloc_disk+0xe8/0x154 [ 81.118697][ T5544] loop_add+0x240/0x6e0 [ 81.119370][ T5544] loop_control_ioctl+0x130/0x4e0 [ 81.120193][ T5544] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.121032][ T5544] invoke_syscall+0x98/0x2b0 [ 81.121749][ T5544] el0_svc_common+0x138/0x258 [ 81.122516][ T5544] do_el0_svc+0x58/0x13c [ 81.123239][ T5544] el0_svc+0x78/0x1d0 [ 81.123943][ T5544] el0t_64_sync_handler+0xcc/0xe4 [ 81.124813][ T5544] el0t_64_sync+0x1a0/0x1a4 [ 81.135418][ T5546] FAULT_INJECTION: forcing a failure. [ 81.135418][ T5546] name failslab, interval 1, probability 0, space 0, times 0 [ 81.137639][ T5546] CPU: 1 PID: 5546 Comm: syz.0.230 Tainted: G W syzkaller #0 [ 81.139188][ T5546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.140990][ T5546] Call trace: [ 81.141566][ T5546] dump_backtrace+0x0/0x458 [ 81.142299][ T5546] show_stack+0x2c/0x3c [ 81.142980][ T5546] __dump_stack+0x30/0x40 [ 81.143631][ T5546] dump_stack_lvl+0xf4/0x15c [ 81.144438][ T5546] dump_stack+0x1c/0x5c [ 81.145133][ T5546] should_fail+0x3bc/0x514 [ 81.145876][ T5546] __should_failslab+0xbc/0x10c [ 81.146682][ T5546] should_failslab+0x10/0x28 [ 81.147475][ T5546] slab_pre_alloc_hook+0x64/0xe8 [ 81.148332][ T5546] __kmalloc_track_caller+0x70/0x358 [ 81.149265][ T5546] kstrdup+0xe4/0x15c [ 81.149944][ T5546] kstrdup_const+0x54/0x6c [ 81.150700][ T5546] kvasprintf_const+0x120/0x2e4 [ 81.151498][ T5546] kobject_set_name_vargs+0xd8/0x1c8 [ 81.152316][ T5546] dev_set_name+0xe8/0x13c [ 81.153057][ T5546] device_add_disk+0x258/0xacc [ 81.153849][ T5546] loop_add+0x510/0x6e0 [ 81.154545][ T5546] loop_control_ioctl+0x130/0x4e0 [ 81.155414][ T5546] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.156188][ T5546] invoke_syscall+0x98/0x2b0 [ 81.156932][ T5546] el0_svc_common+0x138/0x258 [ 81.157668][ T5546] do_el0_svc+0x58/0x13c [ 81.158326][ T5546] el0_svc+0x78/0x1d0 [ 81.158896][ T5546] el0t_64_sync_handler+0xcc/0xe4 [ 81.159700][ T5546] el0t_64_sync+0x1a0/0x1a4 [ 81.168902][ T5548] FAULT_INJECTION: forcing a failure. [ 81.168902][ T5548] name failslab, interval 1, probability 0, space 0, times 0 [ 81.171652][ T5548] CPU: 1 PID: 5548 Comm: syz.0.231 Tainted: G W syzkaller #0 [ 81.173037][ T5548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.174751][ T5548] Call trace: [ 81.175281][ T5548] dump_backtrace+0x0/0x458 [ 81.176102][ T5548] show_stack+0x2c/0x3c [ 81.176892][ T5548] __dump_stack+0x30/0x40 [ 81.177627][ T5548] dump_stack_lvl+0xf4/0x15c [ 81.178280][ T5548] dump_stack+0x1c/0x5c [ 81.179013][ T5548] should_fail+0x3bc/0x514 [ 81.179814][ T5548] __should_failslab+0xbc/0x10c [ 81.180650][ T5548] should_failslab+0x10/0x28 [ 81.181464][ T5548] slab_pre_alloc_hook+0x64/0xe8 [ 81.182226][ T5548] kmem_cache_alloc_trace+0x98/0x3ec [ 81.183089][ T5548] rand_initialize_disk+0x58/0xb8 [ 81.183828][ T5548] __alloc_disk_node+0x2a8/0x450 [ 81.184579][ T5548] __blk_mq_alloc_disk+0xe8/0x154 [ 81.185482][ T5548] loop_add+0x240/0x6e0 [ 81.186262][ T5548] loop_control_ioctl+0x130/0x4e0 [ 81.187112][ T5548] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.187885][ T5548] invoke_syscall+0x98/0x2b0 [ 81.188656][ T5548] el0_svc_common+0x138/0x258 [ 81.189424][ T5548] do_el0_svc+0x58/0x13c [ 81.190098][ T5548] el0_svc+0x78/0x1d0 [ 81.190759][ T5548] el0t_64_sync_handler+0xcc/0xe4 [ 81.191574][ T5548] el0t_64_sync+0x1a0/0x1a4 [ 81.204706][ T5550] FAULT_INJECTION: forcing a failure. [ 81.204706][ T5550] name failslab, interval 1, probability 0, space 0, times 0 [ 81.206786][ T5550] CPU: 0 PID: 5550 Comm: syz.0.232 Tainted: G W syzkaller #0 [ 81.208126][ T5550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.209770][ T5550] Call trace: [ 81.210347][ T5550] dump_backtrace+0x0/0x458 [ 81.211138][ T5550] show_stack+0x2c/0x3c [ 81.211782][ T5550] __dump_stack+0x30/0x40 [ 81.212514][ T5550] dump_stack_lvl+0xf4/0x15c [ 81.213300][ T5550] dump_stack+0x1c/0x5c [ 81.214072][ T5550] should_fail+0x3bc/0x514 [ 81.214829][ T5550] __should_failslab+0xbc/0x10c [ 81.215625][ T5550] should_failslab+0x10/0x28 [ 81.216379][ T5550] slab_pre_alloc_hook+0x64/0xe8 [ 81.217224][ T5550] __kmalloc_track_caller+0x70/0x358 [ 81.218180][ T5550] kstrdup+0xe4/0x15c [ 81.218840][ T5550] kstrdup_const+0x54/0x6c [ 81.219576][ T5550] kvasprintf_const+0x120/0x2e4 [ 81.220296][ T5550] kobject_set_name_vargs+0xd8/0x1c8 [ 81.221232][ T5550] dev_set_name+0xe8/0x13c [ 81.222002][ T5550] device_add_disk+0x258/0xacc [ 81.222814][ T5550] loop_add+0x510/0x6e0 [ 81.223458][ T5550] loop_control_ioctl+0x130/0x4e0 [ 81.224346][ T5550] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.225068][ T5550] invoke_syscall+0x98/0x2b0 [ 81.225767][ T5550] el0_svc_common+0x138/0x258 [ 81.226494][ T5550] do_el0_svc+0x58/0x13c [ 81.227207][ T5550] el0_svc+0x78/0x1d0 [ 81.227874][ T5550] el0t_64_sync_handler+0xcc/0xe4 [ 81.228689][ T5550] el0t_64_sync+0x1a0/0x1a4 [ 81.238412][ T5552] FAULT_INJECTION: forcing a failure. [ 81.238412][ T5552] name failslab, interval 1, probability 0, space 0, times 0 [ 81.241551][ T5552] CPU: 0 PID: 5552 Comm: syz.0.233 Tainted: G W syzkaller #0 [ 81.243020][ T5552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.244678][ T5552] Call trace: [ 81.245235][ T5552] dump_backtrace+0x0/0x458 [ 81.245936][ T5552] show_stack+0x2c/0x3c [ 81.246568][ T5552] __dump_stack+0x30/0x40 [ 81.247318][ T5552] dump_stack_lvl+0xf4/0x15c [ 81.248048][ T5552] dump_stack+0x1c/0x5c [ 81.248805][ T5552] should_fail+0x3bc/0x514 [ 81.249524][ T5552] __should_failslab+0xbc/0x10c [ 81.250404][ T5552] should_failslab+0x10/0x28 [ 81.251205][ T5552] slab_pre_alloc_hook+0x64/0xe8 [ 81.252081][ T5552] __kmalloc_track_caller+0x70/0x358 [ 81.252960][ T5552] kstrdup+0xe4/0x15c [ 81.253669][ T5552] kstrdup_const+0x54/0x6c [ 81.254466][ T5552] kvasprintf_const+0x120/0x2e4 [ 81.255248][ T5552] kobject_set_name_vargs+0xd8/0x1c8 [ 81.256196][ T5552] dev_set_name+0xe8/0x13c [ 81.256932][ T5552] device_add_disk+0x258/0xacc [ 81.257749][ T5552] loop_add+0x510/0x6e0 [ 81.258414][ T5552] loop_control_ioctl+0x130/0x4e0 [ 81.259196][ T5552] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.259984][ T5552] invoke_syscall+0x98/0x2b0 [ 81.260728][ T5552] el0_svc_common+0x138/0x258 [ 81.261462][ T5552] do_el0_svc+0x58/0x13c [ 81.262148][ T5552] el0_svc+0x78/0x1d0 [ 81.262790][ T5552] el0t_64_sync_handler+0xcc/0xe4 [ 81.263594][ T5552] el0t_64_sync+0x1a0/0x1a4 [ 81.273077][ T5554] FAULT_INJECTION: forcing a failure. [ 81.273077][ T5554] name failslab, interval 1, probability 0, space 0, times 0 [ 81.275120][ T5554] CPU: 0 PID: 5554 Comm: syz.0.234 Tainted: G W syzkaller #0 [ 81.276555][ T5554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.278231][ T5554] Call trace: [ 81.278781][ T5554] dump_backtrace+0x0/0x458 [ 81.279481][ T5554] show_stack+0x2c/0x3c [ 81.280174][ T5554] __dump_stack+0x30/0x40 [ 81.280931][ T5554] dump_stack_lvl+0xf4/0x15c [ 81.281691][ T5554] dump_stack+0x1c/0x5c [ 81.282370][ T5554] should_fail+0x3bc/0x514 [ 81.283104][ T5554] __should_failslab+0xbc/0x10c [ 81.283959][ T5554] should_failslab+0x10/0x28 [ 81.284745][ T5554] slab_pre_alloc_hook+0x64/0xe8 [ 81.285582][ T5554] __kmalloc_track_caller+0x70/0x358 [ 81.286464][ T5554] kstrdup+0xe4/0x15c [ 81.287078][ T5554] kstrdup_const+0x54/0x6c [ 81.287828][ T5554] kvasprintf_const+0x120/0x2e4 [ 81.288716][ T5554] kobject_set_name_vargs+0xd8/0x1c8 [ 81.289615][ T5554] dev_set_name+0xe8/0x13c [ 81.290361][ T5554] device_add_disk+0x258/0xacc [ 81.291136][ T5554] loop_add+0x510/0x6e0 [ 81.291835][ T5554] loop_control_ioctl+0x130/0x4e0 [ 81.292654][ T5554] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.293495][ T5554] invoke_syscall+0x98/0x2b0 [ 81.294300][ T5554] el0_svc_common+0x138/0x258 [ 81.295086][ T5554] do_el0_svc+0x58/0x13c [ 81.295829][ T5554] el0_svc+0x78/0x1d0 [ 81.296457][ T5554] el0t_64_sync_handler+0xcc/0xe4 [ 81.297353][ T5554] el0t_64_sync+0x1a0/0x1a4 [ 81.306500][ T5556] FAULT_INJECTION: forcing a failure. [ 81.306500][ T5556] name failslab, interval 1, probability 0, space 0, times 0 [ 81.308576][ T5556] CPU: 1 PID: 5556 Comm: syz.0.235 Tainted: G W syzkaller #0 [ 81.309952][ T5556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.311575][ T5556] Call trace: [ 81.312152][ T5556] dump_backtrace+0x0/0x458 [ 81.312909][ T5556] show_stack+0x2c/0x3c [ 81.313566][ T5556] __dump_stack+0x30/0x40 [ 81.314261][ T5556] dump_stack_lvl+0xf4/0x15c [ 81.315022][ T5556] dump_stack+0x1c/0x5c [ 81.315682][ T5556] should_fail+0x3bc/0x514 [ 81.316425][ T5556] __should_failslab+0xbc/0x10c [ 81.317263][ T5556] should_failslab+0x10/0x28 [ 81.317999][ T5556] slab_pre_alloc_hook+0x64/0xe8 [ 81.318779][ T5556] kmem_cache_alloc_trace+0x98/0x3ec [ 81.319591][ T5556] blk_iolatency_init+0x64/0x430 [ 81.320340][ T5556] blkcg_init_queue+0x3f0/0x484 [ 81.321112][ T5556] blk_alloc_queue+0x3cc/0x4a0 [ 81.321837][ T5556] __blk_mq_alloc_disk+0x5c/0x154 [ 81.322616][ T5556] loop_add+0x240/0x6e0 [ 81.323245][ T5556] loop_control_ioctl+0x130/0x4e0 [ 81.323972][ T5556] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.324845][ T5556] invoke_syscall+0x98/0x2b0 [ 81.325651][ T5556] el0_svc_common+0x138/0x258 [ 81.326460][ T5556] do_el0_svc+0x58/0x13c [ 81.327184][ T5556] el0_svc+0x78/0x1d0 [ 81.327842][ T5556] el0t_64_sync_handler+0xcc/0xe4 [ 81.328633][ T5556] el0t_64_sync+0x1a0/0x1a4 [ 81.348572][ T5558] FAULT_INJECTION: forcing a failure. [ 81.348572][ T5558] name failslab, interval 1, probability 0, space 0, times 0 [ 81.351051][ T5558] CPU: 0 PID: 5558 Comm: syz.0.236 Tainted: G W syzkaller #0 [ 81.352420][ T5558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.353996][ T5558] Call trace: [ 81.354473][ T5558] dump_backtrace+0x0/0x458 [ 81.355181][ T5558] show_stack+0x2c/0x3c [ 81.355912][ T5558] __dump_stack+0x30/0x40 [ 81.356656][ T5558] dump_stack_lvl+0xf4/0x15c [ 81.357334][ T5558] dump_stack+0x1c/0x5c [ 81.358024][ T5558] should_fail+0x3bc/0x514 [ 81.358717][ T5558] __should_failslab+0xbc/0x10c [ 81.359475][ T5558] should_failslab+0x10/0x28 [ 81.360145][ T5558] slab_pre_alloc_hook+0x64/0xe8 [ 81.360981][ T5558] kmem_cache_alloc_trace+0x98/0x3ec [ 81.361796][ T5558] blk_iolatency_init+0x64/0x430 [ 81.362581][ T5558] blkcg_init_queue+0x3f0/0x484 [ 81.363291][ T5558] blk_alloc_queue+0x3cc/0x4a0 [ 81.364165][ T5558] __blk_mq_alloc_disk+0x5c/0x154 [ 81.365064][ T5558] loop_add+0x240/0x6e0 [ 81.365777][ T5558] loop_control_ioctl+0x130/0x4e0 [ 81.366693][ T5558] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.367525][ T5558] invoke_syscall+0x98/0x2b0 [ 81.368345][ T5558] el0_svc_common+0x138/0x258 [ 81.369192][ T5558] do_el0_svc+0x58/0x13c [ 81.369941][ T5558] el0_svc+0x78/0x1d0 [ 81.370610][ T5558] el0t_64_sync_handler+0xcc/0xe4 [ 81.371520][ T5558] el0t_64_sync+0x1a0/0x1a4 [ 81.388879][ T5560] FAULT_INJECTION: forcing a failure. [ 81.388879][ T5560] name failslab, interval 1, probability 0, space 0, times 0 [ 81.392943][ T5560] CPU: 1 PID: 5560 Comm: syz.0.237 Tainted: G W syzkaller #0 [ 81.394096][ T5560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.395738][ T5560] Call trace: [ 81.396182][ T5560] dump_backtrace+0x0/0x458 [ 81.396851][ T5560] show_stack+0x2c/0x3c [ 81.397513][ T5560] __dump_stack+0x30/0x40 [ 81.398113][ T5560] dump_stack_lvl+0xf4/0x15c [ 81.398836][ T5560] dump_stack+0x1c/0x5c [ 81.399542][ T5560] should_fail+0x3bc/0x514 [ 81.400203][ T5560] __should_failslab+0xbc/0x10c [ 81.401021][ T5560] should_failslab+0x10/0x28 [ 81.401883][ T5560] slab_pre_alloc_hook+0x64/0xe8 [ 81.402733][ T5560] kmem_cache_alloc_trace+0x98/0x3ec [ 81.403709][ T5560] blk_iolatency_init+0x64/0x430 [ 81.404518][ T5560] blkcg_init_queue+0x3f0/0x484 [ 81.405231][ T5560] blk_alloc_queue+0x3cc/0x4a0 [ 81.405941][ T5560] __blk_mq_alloc_disk+0x5c/0x154 [ 81.406658][ T5560] loop_add+0x240/0x6e0 [ 81.407336][ T5560] loop_control_ioctl+0x130/0x4e0 [ 81.408203][ T5560] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.408970][ T5560] invoke_syscall+0x98/0x2b0 [ 81.409654][ T5560] el0_svc_common+0x138/0x258 [ 81.410332][ T5560] do_el0_svc+0x58/0x13c [ 81.411005][ T5560] el0_svc+0x78/0x1d0 [ 81.411656][ T5560] el0t_64_sync_handler+0xcc/0xe4 [ 81.412414][ T5560] el0t_64_sync+0x1a0/0x1a4 [ 81.423316][ T5562] FAULT_INJECTION: forcing a failure. [ 81.423316][ T5562] name failslab, interval 1, probability 0, space 0, times 0 [ 81.425483][ T5562] CPU: 0 PID: 5562 Comm: syz.0.238 Tainted: G W syzkaller #0 [ 81.426968][ T5562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.428631][ T5562] Call trace: [ 81.429218][ T5562] dump_backtrace+0x0/0x458 [ 81.429895][ T5562] show_stack+0x2c/0x3c [ 81.430623][ T5562] __dump_stack+0x30/0x40 [ 81.431408][ T5562] dump_stack_lvl+0xf4/0x15c [ 81.432233][ T5562] dump_stack+0x1c/0x5c [ 81.433016][ T5562] should_fail+0x3bc/0x514 [ 81.433756][ T5562] __should_failslab+0xbc/0x10c [ 81.434611][ T5562] should_failslab+0x10/0x28 [ 81.435503][ T5562] slab_pre_alloc_hook+0x64/0xe8 [ 81.436307][ T5562] __kmalloc_track_caller+0x70/0x358 [ 81.437194][ T5562] kstrdup+0xe4/0x15c [ 81.437815][ T5562] kstrdup_const+0x54/0x6c [ 81.438585][ T5562] kvasprintf_const+0x120/0x2e4 [ 81.439411][ T5562] kobject_set_name_vargs+0xd8/0x1c8 [ 81.440289][ T5562] dev_set_name+0xe8/0x13c [ 81.441032][ T5562] device_add_disk+0x258/0xacc [ 81.441885][ T5562] loop_add+0x510/0x6e0 [ 81.442554][ T5562] loop_control_ioctl+0x130/0x4e0 [ 81.443481][ T5562] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.444330][ T5562] invoke_syscall+0x98/0x2b0 [ 81.445137][ T5562] el0_svc_common+0x138/0x258 [ 81.445919][ T5562] do_el0_svc+0x58/0x13c [ 81.446623][ T5562] el0_svc+0x78/0x1d0 [ 81.447267][ T5562] el0t_64_sync_handler+0xcc/0xe4 [ 81.448054][ T5562] el0t_64_sync+0x1a0/0x1a4 [ 81.457983][ T5564] FAULT_INJECTION: forcing a failure. [ 81.457983][ T5564] name failslab, interval 1, probability 0, space 0, times 0 [ 81.460072][ T5564] CPU: 0 PID: 5564 Comm: syz.0.239 Tainted: G W syzkaller #0 [ 81.461560][ T5564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.463267][ T5564] Call trace: [ 81.463792][ T5564] dump_backtrace+0x0/0x458 [ 81.464536][ T5564] show_stack+0x2c/0x3c [ 81.465171][ T5564] __dump_stack+0x30/0x40 [ 81.465826][ T5564] dump_stack_lvl+0xf4/0x15c [ 81.466538][ T5564] dump_stack+0x1c/0x5c [ 81.467212][ T5564] should_fail+0x3bc/0x514 [ 81.467954][ T5564] __should_failslab+0xbc/0x10c [ 81.468728][ T5564] should_failslab+0x10/0x28 [ 81.469489][ T5564] slab_pre_alloc_hook+0x64/0xe8 [ 81.470328][ T5564] __kmalloc_track_caller+0x70/0x358 [ 81.471252][ T5564] kstrdup+0xe4/0x15c [ 81.471920][ T5564] kstrdup_const+0x54/0x6c [ 81.472701][ T5564] kvasprintf_const+0x120/0x2e4 [ 81.473515][ T5564] kobject_set_name_vargs+0xd8/0x1c8 [ 81.474403][ T5564] dev_set_name+0xe8/0x13c [ 81.475144][ T5564] device_add_disk+0x258/0xacc [ 81.475863][ T5564] loop_add+0x510/0x6e0 [ 81.476485][ T5564] loop_control_ioctl+0x130/0x4e0 [ 81.477243][ T5564] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.477964][ T5564] invoke_syscall+0x98/0x2b0 [ 81.478666][ T5564] el0_svc_common+0x138/0x258 [ 81.479548][ T5564] do_el0_svc+0x58/0x13c [ 81.480228][ T5564] el0_svc+0x78/0x1d0 [ 81.480891][ T5564] el0t_64_sync_handler+0xcc/0xe4 [ 81.481781][ T5564] el0t_64_sync+0x1a0/0x1a4 [ 81.491838][ T5566] FAULT_INJECTION: forcing a failure. [ 81.491838][ T5566] name failslab, interval 1, probability 0, space 0, times 0 [ 81.493901][ T5566] CPU: 1 PID: 5566 Comm: syz.0.240 Tainted: G W syzkaller #0 [ 81.495442][ T5566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.497060][ T5566] Call trace: [ 81.497566][ T5566] dump_backtrace+0x0/0x458 [ 81.498251][ T5566] show_stack+0x2c/0x3c [ 81.498911][ T5566] __dump_stack+0x30/0x40 [ 81.499688][ T5566] dump_stack_lvl+0xf4/0x15c [ 81.500480][ T5566] dump_stack+0x1c/0x5c [ 81.501139][ T5566] should_fail+0x3bc/0x514 [ 81.501895][ T5566] __should_failslab+0xbc/0x10c [ 81.502662][ T5566] should_failslab+0x10/0x28 [ 81.503447][ T5566] slab_pre_alloc_hook+0x64/0xe8 [ 81.504288][ T5566] __kmalloc_track_caller+0x70/0x358 [ 81.505185][ T5566] kstrdup+0xe4/0x15c [ 81.505889][ T5566] kstrdup_const+0x54/0x6c [ 81.506656][ T5566] kvasprintf_const+0x120/0x2e4 [ 81.507427][ T5566] kobject_set_name_vargs+0xd8/0x1c8 [ 81.508371][ T5566] dev_set_name+0xe8/0x13c [ 81.509140][ T5566] device_add_disk+0x258/0xacc [ 81.509953][ T5566] loop_add+0x510/0x6e0 [ 81.510604][ T5566] loop_control_ioctl+0x130/0x4e0 [ 81.511450][ T5566] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.512233][ T5566] invoke_syscall+0x98/0x2b0 [ 81.513002][ T5566] el0_svc_common+0x138/0x258 [ 81.513758][ T5566] do_el0_svc+0x58/0x13c [ 81.514486][ T5566] el0_svc+0x78/0x1d0 [ 81.515105][ T5566] el0t_64_sync_handler+0xcc/0xe4 [ 81.515951][ T5566] el0t_64_sync+0x1a0/0x1a4 [ 81.526785][ T5568] FAULT_INJECTION: forcing a failure. [ 81.526785][ T5568] name failslab, interval 1, probability 0, space 0, times 0 [ 81.528964][ T5568] CPU: 0 PID: 5568 Comm: syz.0.241 Tainted: G W syzkaller #0 [ 81.530440][ T5568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.532208][ T5568] Call trace: [ 81.532716][ T5568] dump_backtrace+0x0/0x458 [ 81.533488][ T5568] show_stack+0x2c/0x3c [ 81.534095][ T5568] __dump_stack+0x30/0x40 [ 81.534798][ T5568] dump_stack_lvl+0xf4/0x15c [ 81.535568][ T5568] dump_stack+0x1c/0x5c [ 81.536274][ T5568] should_fail+0x3bc/0x514 [ 81.537012][ T5568] __should_failslab+0xbc/0x10c [ 81.537795][ T5568] should_failslab+0x10/0x28 [ 81.538508][ T5568] slab_pre_alloc_hook+0x64/0xe8 [ 81.539287][ T5568] __kmalloc_track_caller+0x70/0x358 [ 81.540130][ T5568] kstrdup+0xe4/0x15c [ 81.540787][ T5568] kstrdup_const+0x54/0x6c [ 81.541542][ T5568] kvasprintf_const+0x120/0x2e4 [ 81.542336][ T5568] kobject_set_name_vargs+0xd8/0x1c8 [ 81.543235][ T5568] dev_set_name+0xe8/0x13c [ 81.543940][ T5568] device_add_disk+0x258/0xacc [ 81.544724][ T5568] loop_add+0x510/0x6e0 [ 81.545381][ T5568] loop_control_ioctl+0x130/0x4e0 [ 81.546152][ T5568] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.546937][ T5568] invoke_syscall+0x98/0x2b0 [ 81.547653][ T5568] el0_svc_common+0x138/0x258 [ 81.548396][ T5568] do_el0_svc+0x58/0x13c [ 81.549100][ T5568] el0_svc+0x78/0x1d0 [ 81.549838][ T5568] el0t_64_sync_handler+0xcc/0xe4 [ 81.550606][ T5568] el0t_64_sync+0x1a0/0x1a4 [ 81.560157][ T5570] FAULT_INJECTION: forcing a failure. [ 81.560157][ T5570] name failslab, interval 1, probability 0, space 0, times 0 [ 81.562584][ T5570] CPU: 0 PID: 5570 Comm: syz.0.242 Tainted: G W syzkaller #0 [ 81.563960][ T5570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.565481][ T5570] Call trace: [ 81.566017][ T5570] dump_backtrace+0x0/0x458 [ 81.566748][ T5570] show_stack+0x2c/0x3c [ 81.567356][ T5570] __dump_stack+0x30/0x40 [ 81.568046][ T5570] dump_stack_lvl+0xf4/0x15c [ 81.568830][ T5570] dump_stack+0x1c/0x5c [ 81.569548][ T5570] should_fail+0x3bc/0x514 [ 81.570278][ T5570] __should_failslab+0xbc/0x10c [ 81.571101][ T5570] should_failslab+0x10/0x28 [ 81.571838][ T5570] slab_pre_alloc_hook+0x64/0xe8 [ 81.572683][ T5570] __kmalloc_track_caller+0x70/0x358 [ 81.573528][ T5570] kstrdup+0xe4/0x15c [ 81.574191][ T5570] kstrdup_const+0x54/0x6c [ 81.575006][ T5570] kvasprintf_const+0x120/0x2e4 [ 81.575845][ T5570] kobject_set_name_vargs+0xd8/0x1c8 [ 81.576789][ T5570] dev_set_name+0xe8/0x13c [ 81.577565][ T5570] device_add_disk+0x258/0xacc [ 81.578386][ T5570] loop_add+0x510/0x6e0 [ 81.579046][ T5570] loop_control_ioctl+0x130/0x4e0 [ 81.579837][ T5570] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.580675][ T5570] invoke_syscall+0x98/0x2b0 [ 81.581440][ T5570] el0_svc_common+0x138/0x258 [ 81.582225][ T5570] do_el0_svc+0x58/0x13c [ 81.582926][ T5570] el0_svc+0x78/0x1d0 [ 81.583600][ T5570] el0t_64_sync_handler+0xcc/0xe4 [ 81.584417][ T5570] el0t_64_sync+0x1a0/0x1a4 [ 81.593622][ T5572] FAULT_INJECTION: forcing a failure. [ 81.593622][ T5572] name failslab, interval 1, probability 0, space 0, times 0 [ 81.595628][ T5572] CPU: 0 PID: 5572 Comm: syz.0.243 Tainted: G W syzkaller #0 [ 81.597071][ T5572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.598615][ T5572] Call trace: [ 81.599146][ T5572] dump_backtrace+0x0/0x458 [ 81.599857][ T5572] show_stack+0x2c/0x3c [ 81.600570][ T5572] __dump_stack+0x30/0x40 [ 81.601316][ T5572] dump_stack_lvl+0xf4/0x15c [ 81.602072][ T5572] dump_stack+0x1c/0x5c [ 81.602762][ T5572] should_fail+0x3bc/0x514 [ 81.603513][ T5572] __should_failslab+0xbc/0x10c [ 81.604294][ T5572] should_failslab+0x10/0x28 [ 81.605012][ T5572] slab_pre_alloc_hook+0x64/0xe8 [ 81.605875][ T5572] __kmalloc_track_caller+0x70/0x358 [ 81.606725][ T5572] kstrdup+0xe4/0x15c [ 81.607387][ T5572] kstrdup_const+0x54/0x6c [ 81.608134][ T5572] kvasprintf_const+0x120/0x2e4 [ 81.608898][ T5572] kobject_set_name_vargs+0xd8/0x1c8 [ 81.609893][ T5572] dev_set_name+0xe8/0x13c [ 81.610608][ T5572] device_add_disk+0x258/0xacc [ 81.611470][ T5572] loop_add+0x510/0x6e0 [ 81.612183][ T5572] loop_control_ioctl+0x130/0x4e0 [ 81.612994][ T5572] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.613876][ T5572] invoke_syscall+0x98/0x2b0 [ 81.614666][ T5572] el0_svc_common+0x138/0x258 [ 81.615397][ T5572] do_el0_svc+0x58/0x13c [ 81.616106][ T5572] el0_svc+0x78/0x1d0 [ 81.616788][ T5572] el0t_64_sync_handler+0xcc/0xe4 [ 81.617632][ T5572] el0t_64_sync+0x1a0/0x1a4 [ 81.628093][ T5574] FAULT_INJECTION: forcing a failure. [ 81.628093][ T5574] name failslab, interval 1, probability 0, space 0, times 0 [ 81.630122][ T5574] CPU: 1 PID: 5574 Comm: syz.0.244 Tainted: G W syzkaller #0 [ 81.631689][ T5574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.633389][ T5574] Call trace: [ 81.633935][ T5574] dump_backtrace+0x0/0x458 [ 81.634733][ T5574] show_stack+0x2c/0x3c [ 81.635449][ T5574] __dump_stack+0x30/0x40 [ 81.636171][ T5574] dump_stack_lvl+0xf4/0x15c [ 81.636938][ T5574] dump_stack+0x1c/0x5c [ 81.637647][ T5574] should_fail+0x3bc/0x514 [ 81.638403][ T5574] __should_failslab+0xbc/0x10c [ 81.639202][ T5574] should_failslab+0x10/0x28 [ 81.639979][ T5574] slab_pre_alloc_hook+0x64/0xe8 [ 81.640774][ T5574] __kmalloc_track_caller+0x70/0x358 [ 81.641592][ T5574] kstrdup+0xe4/0x15c [ 81.642212][ T5574] kstrdup_const+0x54/0x6c [ 81.643001][ T5574] kvasprintf_const+0x120/0x2e4 [ 81.643807][ T5574] kobject_set_name_vargs+0xd8/0x1c8 [ 81.644711][ T5574] dev_set_name+0xe8/0x13c [ 81.645486][ T5574] device_add_disk+0x258/0xacc [ 81.646262][ T5574] loop_add+0x510/0x6e0 [ 81.646979][ T5574] loop_control_ioctl+0x130/0x4e0 [ 81.647835][ T5574] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.648782][ T5574] invoke_syscall+0x98/0x2b0 [ 81.649591][ T5574] el0_svc_common+0x138/0x258 [ 81.650303][ T5574] do_el0_svc+0x58/0x13c [ 81.651018][ T5574] el0_svc+0x78/0x1d0 [ 81.651769][ T5574] el0t_64_sync_handler+0xcc/0xe4 [ 81.652618][ T5574] el0t_64_sync+0x1a0/0x1a4 [ 81.664161][ T5576] FAULT_INJECTION: forcing a failure. [ 81.664161][ T5576] name failslab, interval 1, probability 0, space 0, times 0 [ 81.666253][ T5576] CPU: 0 PID: 5576 Comm: syz.0.245 Tainted: G W syzkaller #0 [ 81.667723][ T5576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.669439][ T5576] Call trace: [ 81.669972][ T5576] dump_backtrace+0x0/0x458 [ 81.670713][ T5576] show_stack+0x2c/0x3c [ 81.671428][ T5576] __dump_stack+0x30/0x40 [ 81.672198][ T5576] dump_stack_lvl+0xf4/0x15c [ 81.672973][ T5576] dump_stack+0x1c/0x5c [ 81.673739][ T5576] should_fail+0x3bc/0x514 [ 81.674495][ T5576] __should_failslab+0xbc/0x10c [ 81.675277][ T5576] should_failslab+0x10/0x28 [ 81.676047][ T5576] slab_pre_alloc_hook+0x64/0xe8 [ 81.676857][ T5576] __kmalloc_track_caller+0x70/0x358 [ 81.677790][ T5576] kstrdup+0xe4/0x15c [ 81.678467][ T5576] kstrdup_const+0x54/0x6c [ 81.679283][ T5576] kvasprintf_const+0x120/0x2e4 [ 81.680127][ T5576] kobject_set_name_vargs+0xd8/0x1c8 [ 81.681028][ T5576] dev_set_name+0xe8/0x13c [ 81.681800][ T5576] device_add_disk+0x258/0xacc [ 81.682593][ T5576] loop_add+0x510/0x6e0 [ 81.683342][ T5576] loop_control_ioctl+0x130/0x4e0 [ 81.684174][ T5576] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.685085][ T5576] invoke_syscall+0x98/0x2b0 [ 81.685833][ T5576] el0_svc_common+0x138/0x258 [ 81.686546][ T5576] do_el0_svc+0x58/0x13c [ 81.687267][ T5576] el0_svc+0x78/0x1d0 [ 81.687960][ T5576] el0t_64_sync_handler+0xcc/0xe4 [ 81.688866][ T5576] el0t_64_sync+0x1a0/0x1a4 [ 81.699951][ T5578] FAULT_INJECTION: forcing a failure. [ 81.699951][ T5578] name failslab, interval 1, probability 0, space 0, times 0 [ 81.702039][ T5578] CPU: 0 PID: 5578 Comm: syz.0.246 Tainted: G W syzkaller #0 [ 81.703247][ T5578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.704710][ T5578] Call trace: [ 81.705172][ T5578] dump_backtrace+0x0/0x458 [ 81.705823][ T5578] show_stack+0x2c/0x3c [ 81.706437][ T5578] __dump_stack+0x30/0x40 [ 81.707078][ T5578] dump_stack_lvl+0xf4/0x15c [ 81.707718][ T5578] dump_stack+0x1c/0x5c [ 81.708438][ T5578] should_fail+0x3bc/0x514 [ 81.709157][ T5578] __should_failslab+0xbc/0x10c [ 81.709956][ T5578] should_failslab+0x10/0x28 [ 81.710722][ T5578] slab_pre_alloc_hook+0x64/0xe8 [ 81.711571][ T5578] kmem_cache_alloc+0x94/0x3d4 [ 81.712361][ T5578] security_inode_alloc+0x38/0x11c [ 81.713277][ T5578] inode_init_always+0x670/0xa84 [ 81.714125][ T5578] new_inode_pseudo+0x7c/0x1fc [ 81.714989][ T5578] new_inode+0x38/0x174 [ 81.715690][ T5578] bdev_alloc+0x30/0x1f8 [ 81.716386][ T5578] __alloc_disk_node+0xbc/0x450 [ 81.717195][ T5578] __blk_mq_alloc_disk+0xe8/0x154 [ 81.717989][ T5578] loop_add+0x240/0x6e0 [ 81.718718][ T5578] loop_control_ioctl+0x130/0x4e0 [ 81.719531][ T5578] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.720371][ T5578] invoke_syscall+0x98/0x2b0 [ 81.721171][ T5578] el0_svc_common+0x138/0x258 [ 81.721966][ T5578] do_el0_svc+0x58/0x13c [ 81.722706][ T5578] el0_svc+0x78/0x1d0 [ 81.723449][ T5578] el0t_64_sync_handler+0xcc/0xe4 [ 81.724308][ T5578] el0t_64_sync+0x1a0/0x1a4 [ 81.736372][ T5580] FAULT_INJECTION: forcing a failure. [ 81.736372][ T5580] name failslab, interval 1, probability 0, space 0, times 0 [ 81.738356][ T5580] CPU: 0 PID: 5580 Comm: syz.0.247 Tainted: G W syzkaller #0 [ 81.739638][ T5580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.741248][ T5580] Call trace: [ 81.741795][ T5580] dump_backtrace+0x0/0x458 [ 81.742613][ T5580] show_stack+0x2c/0x3c [ 81.743332][ T5580] __dump_stack+0x30/0x40 [ 81.744074][ T5580] dump_stack_lvl+0xf4/0x15c [ 81.744820][ T5580] dump_stack+0x1c/0x5c [ 81.745523][ T5580] should_fail+0x3bc/0x514 [ 81.746269][ T5580] __should_failslab+0xbc/0x10c [ 81.747072][ T5580] should_failslab+0x10/0x28 [ 81.747786][ T5580] slab_pre_alloc_hook+0x64/0xe8 [ 81.748574][ T5580] kmem_cache_alloc_trace+0x98/0x3ec [ 81.749419][ T5580] rand_initialize_disk+0x58/0xb8 [ 81.750240][ T5580] __alloc_disk_node+0x2a8/0x450 [ 81.750993][ T5580] __blk_mq_alloc_disk+0xe8/0x154 [ 81.751725][ T5580] loop_add+0x240/0x6e0 [ 81.752392][ T5580] loop_control_ioctl+0x130/0x4e0 [ 81.753186][ T5580] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.754084][ T5580] invoke_syscall+0x98/0x2b0 [ 81.754788][ T5580] el0_svc_common+0x138/0x258 [ 81.755518][ T5580] do_el0_svc+0x58/0x13c [ 81.756269][ T5580] el0_svc+0x78/0x1d0 [ 81.756956][ T5580] el0t_64_sync_handler+0xcc/0xe4 [ 81.757813][ T5580] el0t_64_sync+0x1a0/0x1a4 [ 81.776399][ T5582] FAULT_INJECTION: forcing a failure. [ 81.776399][ T5582] name failslab, interval 1, probability 0, space 0, times 0 [ 81.778463][ T5582] CPU: 0 PID: 5582 Comm: syz.0.248 Tainted: G W syzkaller #0 [ 81.779855][ T5582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.781573][ T5582] Call trace: [ 81.782098][ T5582] dump_backtrace+0x0/0x458 [ 81.782912][ T5582] show_stack+0x2c/0x3c [ 81.783632][ T5582] __dump_stack+0x30/0x40 [ 81.784351][ T5582] dump_stack_lvl+0xf4/0x15c [ 81.785094][ T5582] dump_stack+0x1c/0x5c [ 81.785819][ T5582] should_fail+0x3bc/0x514 [ 81.786598][ T5582] __should_failslab+0xbc/0x10c [ 81.787386][ T5582] should_failslab+0x10/0x28 [ 81.788101][ T5582] slab_pre_alloc_hook+0x64/0xe8 [ 81.788942][ T5582] kmem_cache_alloc_trace+0x98/0x3ec [ 81.789799][ T5582] rand_initialize_disk+0x58/0xb8 [ 81.790715][ T5582] __alloc_disk_node+0x2a8/0x450 [ 81.791586][ T5582] __blk_mq_alloc_disk+0xe8/0x154 [ 81.792381][ T5582] loop_add+0x240/0x6e0 [ 81.793030][ T5582] loop_control_ioctl+0x130/0x4e0 [ 81.793834][ T5582] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.794641][ T5582] invoke_syscall+0x98/0x2b0 [ 81.795403][ T5582] el0_svc_common+0x138/0x258 [ 81.796169][ T5582] do_el0_svc+0x58/0x13c [ 81.796943][ T5582] el0_svc+0x78/0x1d0 [ 81.797641][ T5582] el0t_64_sync_handler+0xcc/0xe4 [ 81.798451][ T5582] el0t_64_sync+0x1a0/0x1a4 [ 81.821761][ T5584] FAULT_INJECTION: forcing a failure. [ 81.821761][ T5584] name failslab, interval 1, probability 0, space 0, times 0 [ 81.823929][ T5584] CPU: 0 PID: 5584 Comm: syz.0.249 Tainted: G W syzkaller #0 [ 81.825268][ T5584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.826922][ T5584] Call trace: [ 81.827433][ T5584] dump_backtrace+0x0/0x458 [ 81.828248][ T5584] show_stack+0x2c/0x3c [ 81.828976][ T5584] __dump_stack+0x30/0x40 [ 81.829603][ T5584] dump_stack_lvl+0xf4/0x15c [ 81.830352][ T5584] dump_stack+0x1c/0x5c [ 81.831007][ T5584] should_fail+0x3bc/0x514 [ 81.831723][ T5584] __should_failslab+0xbc/0x10c [ 81.832563][ T5584] should_failslab+0x10/0x28 [ 81.833437][ T5584] slab_pre_alloc_hook+0x64/0xe8 [ 81.834331][ T5584] kmem_cache_alloc+0x94/0x3d4 [ 81.835107][ T5584] __debug_object_init+0x6b0/0xa0c [ 81.835950][ T5584] debug_object_init+0x20/0x2c [ 81.836635][ T5584] __init_work+0x58/0x68 [ 81.837298][ T5584] blkg_alloc+0x1d4/0x5bc [ 81.837983][ T5584] blkcg_init_queue+0x34/0x484 [ 81.838748][ T5584] blk_alloc_queue+0x3cc/0x4a0 [ 81.839529][ T5584] __blk_mq_alloc_disk+0x5c/0x154 [ 81.840310][ T5584] loop_add+0x240/0x6e0 [ 81.840979][ T5584] loop_control_ioctl+0x130/0x4e0 [ 81.841710][ T5584] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.842462][ T5584] invoke_syscall+0x98/0x2b0 [ 81.843260][ T5584] el0_svc_common+0x138/0x258 [ 81.844233][ T5584] do_el0_svc+0x58/0x13c [ 81.844934][ T5584] el0_svc+0x78/0x1d0 [ 81.845555][ T5584] el0t_64_sync_handler+0xcc/0xe4 [ 81.846466][ T5584] el0t_64_sync+0x1a0/0x1a4 [ 81.866484][ T5586] FAULT_INJECTION: forcing a failure. [ 81.866484][ T5586] name failslab, interval 1, probability 0, space 0, times 0 [ 81.868470][ T5586] CPU: 1 PID: 5586 Comm: syz.0.250 Tainted: G W syzkaller #0 [ 81.869738][ T5586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.871360][ T5586] Call trace: [ 81.871947][ T5586] dump_backtrace+0x0/0x458 [ 81.872708][ T5586] show_stack+0x2c/0x3c [ 81.873379][ T5586] __dump_stack+0x30/0x40 [ 81.874115][ T5586] dump_stack_lvl+0xf4/0x15c [ 81.874802][ T5586] dump_stack+0x1c/0x5c [ 81.875479][ T5586] should_fail+0x3bc/0x514 [ 81.876209][ T5586] __should_failslab+0xbc/0x10c [ 81.876965][ T5586] should_failslab+0x10/0x28 [ 81.877742][ T5586] slab_pre_alloc_hook+0x64/0xe8 [ 81.878537][ T5586] kmem_cache_alloc+0x94/0x3d4 [ 81.879310][ T5586] security_inode_alloc+0x38/0x11c [ 81.880149][ T5586] inode_init_always+0x670/0xa84 [ 81.880958][ T5586] new_inode_pseudo+0x7c/0x1fc [ 81.881729][ T5586] new_inode+0x38/0x174 [ 81.882428][ T5586] bdev_alloc+0x30/0x1f8 [ 81.883127][ T5586] __alloc_disk_node+0xbc/0x450 [ 81.883936][ T5586] __blk_mq_alloc_disk+0xe8/0x154 [ 81.884798][ T5586] loop_add+0x240/0x6e0 [ 81.885428][ T5586] loop_control_ioctl+0x130/0x4e0 [ 81.886291][ T5586] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.887071][ T5586] invoke_syscall+0x98/0x2b0 [ 81.887855][ T5586] el0_svc_common+0x138/0x258 [ 81.888609][ T5586] do_el0_svc+0x58/0x13c [ 81.889307][ T5586] el0_svc+0x78/0x1d0 [ 81.889984][ T5586] el0t_64_sync_handler+0xcc/0xe4 [ 81.890950][ T5586] el0t_64_sync+0x1a0/0x1a4 1970/01/01 00:01:21 executed programs: 237 [ 81.902560][ T5588] FAULT_INJECTION: forcing a failure. [ 81.902560][ T5588] name failslab, interval 1, probability 0, space 0, times 0 [ 81.904763][ T5588] CPU: 0 PID: 5588 Comm: syz.0.251 Tainted: G W syzkaller #0 [ 81.906240][ T5588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.907781][ T5588] Call trace: [ 81.908333][ T5588] dump_backtrace+0x0/0x458 [ 81.909100][ T5588] show_stack+0x2c/0x3c [ 81.909761][ T5588] __dump_stack+0x30/0x40 [ 81.910480][ T5588] dump_stack_lvl+0xf4/0x15c [ 81.911274][ T5588] dump_stack+0x1c/0x5c [ 81.912014][ T5588] should_fail+0x3bc/0x514 [ 81.912842][ T5588] __should_failslab+0xbc/0x10c [ 81.913672][ T5588] should_failslab+0x10/0x28 [ 81.914439][ T5588] slab_pre_alloc_hook+0x64/0xe8 [ 81.915288][ T5588] __kmalloc_node+0xb8/0x508 [ 81.916091][ T5588] memcg_alloc_page_obj_cgroups+0x80/0x170 [ 81.917066][ T5588] new_slab+0x114/0x544 [ 81.917756][ T5588] ___slab_alloc+0x6b4/0xd8c [ 81.918523][ T5588] __slab_alloc+0x68/0xc0 [ 81.919236][ T5588] kmem_cache_alloc+0x2a4/0x3d4 [ 81.920046][ T5588] bdev_alloc_inode+0x24/0x60 [ 81.920880][ T5588] new_inode_pseudo+0x68/0x1fc [ 81.921641][ T5588] new_inode+0x38/0x174 [ 81.922350][ T5588] bdev_alloc+0x30/0x1f8 [ 81.923111][ T5588] __alloc_disk_node+0xbc/0x450 [ 81.923994][ T5588] __blk_mq_alloc_disk+0xe8/0x154 [ 81.924890][ T5588] loop_add+0x240/0x6e0 [ 81.925592][ T5588] loop_control_ioctl+0x130/0x4e0 [ 81.926432][ T5588] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.927238][ T5588] invoke_syscall+0x98/0x2b0 [ 81.927943][ T5588] el0_svc_common+0x138/0x258 [ 81.928694][ T5588] do_el0_svc+0x58/0x13c [ 81.929426][ T5588] el0_svc+0x78/0x1d0 [ 81.930155][ T5588] el0t_64_sync_handler+0xcc/0xe4 [ 81.931035][ T5588] el0t_64_sync+0x1a0/0x1a4 [ 81.946111][ T5590] FAULT_INJECTION: forcing a failure. [ 81.946111][ T5590] name failslab, interval 1, probability 0, space 0, times 0 [ 81.948166][ T5590] CPU: 0 PID: 5590 Comm: syz.0.252 Tainted: G W syzkaller #0 [ 81.949699][ T5590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.951355][ T5590] Call trace: [ 81.951898][ T5590] dump_backtrace+0x0/0x458 [ 81.952638][ T5590] show_stack+0x2c/0x3c [ 81.953291][ T5590] __dump_stack+0x30/0x40 [ 81.953995][ T5590] dump_stack_lvl+0xf4/0x15c [ 81.954811][ T5590] dump_stack+0x1c/0x5c [ 81.955507][ T5590] should_fail+0x3bc/0x514 [ 81.956227][ T5590] __should_failslab+0xbc/0x10c [ 81.957103][ T5590] should_failslab+0x10/0x28 [ 81.957885][ T5590] slab_pre_alloc_hook+0x64/0xe8 [ 81.958681][ T5590] __kmalloc_track_caller+0x70/0x358 [ 81.959585][ T5590] kstrdup+0xe4/0x15c [ 81.960204][ T5590] kstrdup_const+0x54/0x6c [ 81.960980][ T5590] kvasprintf_const+0x120/0x2e4 [ 81.961790][ T5590] kobject_set_name_vargs+0xd8/0x1c8 [ 81.962502][ T5590] dev_set_name+0xe8/0x13c [ 81.963102][ T5590] device_add_disk+0x258/0xacc [ 81.963875][ T5590] loop_add+0x510/0x6e0 [ 81.964605][ T5590] loop_control_ioctl+0x130/0x4e0 [ 81.965525][ T5590] __arm64_sys_ioctl+0x14c/0x1c8 [ 81.966359][ T5590] invoke_syscall+0x98/0x2b0 [ 81.967062][ T5590] el0_svc_common+0x138/0x258 [ 81.967852][ T5590] do_el0_svc+0x58/0x13c [ 81.968626][ T5590] el0_svc+0x78/0x1d0 [ 81.969281][ T5590] el0t_64_sync_handler+0xcc/0xe4 [ 81.970100][ T5590] el0t_64_sync+0x1a0/0x1a4 [ 81.979847][ T5592] FAULT_INJECTION: forcing a failure. [ 81.979847][ T5592] name failslab, interval 1, probability 0, space 0, times 0 [ 81.982053][ T5592] CPU: 0 PID: 5592 Comm: syz.0.253 Tainted: G W syzkaller #0 [ 81.983463][ T5592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 81.985185][ T5592] Call trace: [ 81.985781][ T5592] dump_backtrace+0x0/0x458 [ 81.986547][ T5592] show_stack+0x2c/0x3c [ 81.987261][ T5592] __dump_stack+0x30/0x40 [ 81.987972][ T5592] dump_stack_lvl+0xf4/0x15c [ 81.988775][ T5592] dump_stack+0x1c/0x5c [ 81.989495][ T5592] should_fail+0x3bc/0x514 [ 81.990256][ T5592] __should_failslab+0xbc/0x10c [ 81.991079][ T5592] should_failslab+0x10/0x28 [ 81.991815][ T5592] slab_pre_alloc_hook+0x64/0xe8 [ 81.992605][ T5592] __kmalloc_track_caller+0x70/0x358 [ 81.993449][ T5592] kstrdup+0xe4/0x15c [ 81.994101][ T5592] kstrdup_const+0x54/0x6c [ 81.994858][ T5592] kvasprintf_const+0x120/0x2e4 [ 81.995634][ T5592] kobject_set_name_vargs+0xd8/0x1c8 [ 81.996501][ T5592] dev_set_name+0xe8/0x13c [ 81.997255][ T5592] device_add_disk+0x258/0xacc [ 81.998097][ T5592] loop_add+0x510/0x6e0 [ 81.998817][ T5592] loop_control_ioctl+0x130/0x4e0 [ 81.999690][ T5592] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.000513][ T5592] invoke_syscall+0x98/0x2b0 [ 82.001272][ T5592] el0_svc_common+0x138/0x258 [ 82.002030][ T5592] do_el0_svc+0x58/0x13c [ 82.002765][ T5592] el0_svc+0x78/0x1d0 [ 82.003470][ T5592] el0t_64_sync_handler+0xcc/0xe4 [ 82.004315][ T5592] el0t_64_sync+0x1a0/0x1a4 [ 82.014187][ T5594] FAULT_INJECTION: forcing a failure. [ 82.014187][ T5594] name failslab, interval 1, probability 0, space 0, times 0 [ 82.016238][ T5594] CPU: 1 PID: 5594 Comm: syz.0.254 Tainted: G W syzkaller #0 [ 82.017574][ T5594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.019141][ T5594] Call trace: [ 82.019648][ T5594] dump_backtrace+0x0/0x458 [ 82.020411][ T5594] show_stack+0x2c/0x3c [ 82.021102][ T5594] __dump_stack+0x30/0x40 [ 82.021846][ T5594] dump_stack_lvl+0xf4/0x15c [ 82.022597][ T5594] dump_stack+0x1c/0x5c [ 82.023370][ T5594] should_fail+0x3bc/0x514 [ 82.024098][ T5594] __should_failslab+0xbc/0x10c [ 82.024858][ T5594] should_failslab+0x10/0x28 [ 82.025620][ T5594] slab_pre_alloc_hook+0x64/0xe8 [ 82.026533][ T5594] __kmalloc_track_caller+0x70/0x358 [ 82.027365][ T5594] kstrdup+0xe4/0x15c [ 82.028028][ T5594] kstrdup_const+0x54/0x6c [ 82.028791][ T5594] kvasprintf_const+0x120/0x2e4 [ 82.029595][ T5594] kobject_set_name_vargs+0xd8/0x1c8 [ 82.030452][ T5594] dev_set_name+0xe8/0x13c [ 82.031155][ T5594] device_add_disk+0x258/0xacc [ 82.031975][ T5594] loop_add+0x510/0x6e0 [ 82.032686][ T5594] loop_control_ioctl+0x130/0x4e0 [ 82.033554][ T5594] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.034353][ T5594] invoke_syscall+0x98/0x2b0 [ 82.035165][ T5594] el0_svc_common+0x138/0x258 [ 82.035993][ T5594] do_el0_svc+0x58/0x13c [ 82.036716][ T5594] el0_svc+0x78/0x1d0 [ 82.037413][ T5594] el0t_64_sync_handler+0xcc/0xe4 [ 82.038227][ T5594] el0t_64_sync+0x1a0/0x1a4 [ 82.048742][ T5596] FAULT_INJECTION: forcing a failure. [ 82.048742][ T5596] name failslab, interval 1, probability 0, space 0, times 0 [ 82.050730][ T5596] CPU: 1 PID: 5596 Comm: syz.0.255 Tainted: G W syzkaller #0 [ 82.052035][ T5596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.053961][ T5596] Call trace: [ 82.054438][ T5596] dump_backtrace+0x0/0x458 [ 82.055148][ T5596] show_stack+0x2c/0x3c [ 82.055852][ T5596] __dump_stack+0x30/0x40 [ 82.056613][ T5596] dump_stack_lvl+0xf4/0x15c [ 82.057421][ T5596] dump_stack+0x1c/0x5c [ 82.058150][ T5596] should_fail+0x3bc/0x514 [ 82.058916][ T5596] __should_failslab+0xbc/0x10c [ 82.059694][ T5596] should_failslab+0x10/0x28 [ 82.060481][ T5596] slab_pre_alloc_hook+0x64/0xe8 [ 82.061275][ T5596] __kmalloc_track_caller+0x70/0x358 [ 82.062107][ T5596] kstrdup+0xe4/0x15c [ 82.062730][ T5596] kstrdup_const+0x54/0x6c [ 82.063413][ T5596] kvasprintf_const+0x120/0x2e4 [ 82.064164][ T5596] kobject_set_name_vargs+0xd8/0x1c8 [ 82.064996][ T5596] dev_set_name+0xe8/0x13c [ 82.065682][ T5596] device_add_disk+0x258/0xacc [ 82.066436][ T5596] loop_add+0x510/0x6e0 [ 82.067117][ T5596] loop_control_ioctl+0x130/0x4e0 [ 82.067884][ T5596] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.068652][ T5596] invoke_syscall+0x98/0x2b0 [ 82.069342][ T5596] el0_svc_common+0x138/0x258 [ 82.070164][ T5596] do_el0_svc+0x58/0x13c [ 82.070824][ T5596] el0_svc+0x78/0x1d0 [ 82.071454][ T5596] el0t_64_sync_handler+0xcc/0xe4 [ 82.072244][ T5596] el0t_64_sync+0x1a0/0x1a4 [ 82.081287][ T5598] FAULT_INJECTION: forcing a failure. [ 82.081287][ T5598] name failslab, interval 1, probability 0, space 0, times 0 [ 82.083355][ T5598] CPU: 1 PID: 5598 Comm: syz.0.256 Tainted: G W syzkaller #0 [ 82.084865][ T5598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.086516][ T5598] Call trace: [ 82.087003][ T5598] dump_backtrace+0x0/0x458 [ 82.087798][ T5598] show_stack+0x2c/0x3c [ 82.088499][ T5598] __dump_stack+0x30/0x40 [ 82.089232][ T5598] dump_stack_lvl+0xf4/0x15c [ 82.089929][ T5598] dump_stack+0x1c/0x5c [ 82.090639][ T5598] should_fail+0x3bc/0x514 [ 82.091328][ T5598] __should_failslab+0xbc/0x10c [ 82.092192][ T5598] should_failslab+0x10/0x28 [ 82.093052][ T5598] slab_pre_alloc_hook+0x64/0xe8 [ 82.093861][ T5598] __kmalloc_track_caller+0x70/0x358 [ 82.094774][ T5598] kstrdup+0xe4/0x15c [ 82.095449][ T5598] kstrdup_const+0x54/0x6c [ 82.096193][ T5598] kvasprintf_const+0x120/0x2e4 [ 82.096992][ T5598] kobject_set_name_vargs+0xd8/0x1c8 [ 82.097782][ T5598] dev_set_name+0xe8/0x13c [ 82.098431][ T5598] device_add_disk+0x258/0xacc [ 82.099283][ T5598] loop_add+0x510/0x6e0 [ 82.099963][ T5598] loop_control_ioctl+0x130/0x4e0 [ 82.100803][ T5598] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.101556][ T5598] invoke_syscall+0x98/0x2b0 [ 82.102245][ T5598] el0_svc_common+0x138/0x258 [ 82.103057][ T5598] do_el0_svc+0x58/0x13c [ 82.103752][ T5598] el0_svc+0x78/0x1d0 [ 82.104399][ T5598] el0t_64_sync_handler+0xcc/0xe4 [ 82.105173][ T5598] el0t_64_sync+0x1a0/0x1a4 [ 82.116434][ T5600] FAULT_INJECTION: forcing a failure. [ 82.116434][ T5600] name failslab, interval 1, probability 0, space 0, times 0 [ 82.118585][ T5600] CPU: 0 PID: 5600 Comm: syz.0.257 Tainted: G W syzkaller #0 [ 82.120047][ T5600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.121747][ T5600] Call trace: [ 82.122283][ T5600] dump_backtrace+0x0/0x458 [ 82.123050][ T5600] show_stack+0x2c/0x3c [ 82.123762][ T5600] __dump_stack+0x30/0x40 [ 82.124514][ T5600] dump_stack_lvl+0xf4/0x15c [ 82.125323][ T5600] dump_stack+0x1c/0x5c [ 82.126034][ T5600] should_fail+0x3bc/0x514 [ 82.126778][ T5600] __should_failslab+0xbc/0x10c [ 82.127541][ T5600] should_failslab+0x10/0x28 [ 82.128317][ T5600] slab_pre_alloc_hook+0x64/0xe8 [ 82.129149][ T5600] __kmalloc_track_caller+0x70/0x358 [ 82.130008][ T5600] kstrdup+0xe4/0x15c [ 82.130689][ T5600] kstrdup_const+0x54/0x6c [ 82.131373][ T5600] kvasprintf_const+0x120/0x2e4 [ 82.132097][ T5600] kobject_set_name_vargs+0xd8/0x1c8 [ 82.133004][ T5600] dev_set_name+0xe8/0x13c [ 82.133772][ T5600] device_add_disk+0x258/0xacc [ 82.134582][ T5600] loop_add+0x510/0x6e0 [ 82.135293][ T5600] loop_control_ioctl+0x130/0x4e0 [ 82.136088][ T5600] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.136882][ T5600] invoke_syscall+0x98/0x2b0 [ 82.137585][ T5600] el0_svc_common+0x138/0x258 [ 82.138358][ T5600] do_el0_svc+0x58/0x13c [ 82.139102][ T5600] el0_svc+0x78/0x1d0 [ 82.139782][ T5600] el0t_64_sync_handler+0xcc/0xe4 [ 82.140622][ T5600] el0t_64_sync+0x1a0/0x1a4 [ 82.151806][ T5602] FAULT_INJECTION: forcing a failure. [ 82.151806][ T5602] name failslab, interval 1, probability 0, space 0, times 0 [ 82.154017][ T5602] CPU: 1 PID: 5602 Comm: syz.0.258 Tainted: G W syzkaller #0 [ 82.155509][ T5602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.157057][ T5602] Call trace: [ 82.157552][ T5602] dump_backtrace+0x0/0x458 [ 82.158255][ T5602] show_stack+0x2c/0x3c [ 82.158960][ T5602] __dump_stack+0x30/0x40 [ 82.159717][ T5602] dump_stack_lvl+0xf4/0x15c [ 82.160478][ T5602] dump_stack+0x1c/0x5c [ 82.161182][ T5602] should_fail+0x3bc/0x514 [ 82.161949][ T5602] __should_failslab+0xbc/0x10c [ 82.162945][ T5602] should_failslab+0x10/0x28 [ 82.163769][ T5602] slab_pre_alloc_hook+0x64/0xe8 [ 82.164604][ T5602] kmem_cache_alloc_trace+0x98/0x3ec [ 82.165512][ T5602] rand_initialize_disk+0x58/0xb8 [ 82.166305][ T5602] __alloc_disk_node+0x2a8/0x450 [ 82.167102][ T5602] __blk_mq_alloc_disk+0xe8/0x154 [ 82.168001][ T5602] loop_add+0x240/0x6e0 [ 82.168668][ T5602] loop_control_ioctl+0x130/0x4e0 [ 82.169532][ T5602] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.170392][ T5602] invoke_syscall+0x98/0x2b0 [ 82.171105][ T5602] el0_svc_common+0x138/0x258 [ 82.171898][ T5602] do_el0_svc+0x58/0x13c [ 82.172614][ T5602] el0_svc+0x78/0x1d0 [ 82.173284][ T5602] el0t_64_sync_handler+0xcc/0xe4 [ 82.174117][ T5602] el0t_64_sync+0x1a0/0x1a4 [ 82.187821][ T5604] FAULT_INJECTION: forcing a failure. [ 82.187821][ T5604] name failslab, interval 1, probability 0, space 0, times 0 [ 82.189823][ T5604] CPU: 0 PID: 5604 Comm: syz.0.259 Tainted: G W syzkaller #0 [ 82.191258][ T5604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.192910][ T5604] Call trace: [ 82.193463][ T5604] dump_backtrace+0x0/0x458 [ 82.194168][ T5604] show_stack+0x2c/0x3c [ 82.194816][ T5604] __dump_stack+0x30/0x40 [ 82.195593][ T5604] dump_stack_lvl+0xf4/0x15c [ 82.196366][ T5604] dump_stack+0x1c/0x5c [ 82.197101][ T5604] should_fail+0x3bc/0x514 [ 82.197872][ T5604] __should_failslab+0xbc/0x10c [ 82.198716][ T5604] should_failslab+0x10/0x28 [ 82.199518][ T5604] slab_pre_alloc_hook+0x64/0xe8 [ 82.200366][ T5604] __kmalloc_track_caller+0x70/0x358 [ 82.201198][ T5604] kstrdup+0xe4/0x15c [ 82.201894][ T5604] kstrdup_const+0x54/0x6c [ 82.202634][ T5604] kvasprintf_const+0x120/0x2e4 [ 82.203492][ T5604] kobject_set_name_vargs+0xd8/0x1c8 [ 82.204374][ T5604] dev_set_name+0xe8/0x13c [ 82.205089][ T5604] device_add_disk+0x258/0xacc [ 82.205909][ T5604] loop_add+0x510/0x6e0 [ 82.206619][ T5604] loop_control_ioctl+0x130/0x4e0 [ 82.207449][ T5604] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.208217][ T5604] invoke_syscall+0x98/0x2b0 [ 82.209041][ T5604] el0_svc_common+0x138/0x258 [ 82.209855][ T5604] do_el0_svc+0x58/0x13c [ 82.210689][ T5604] el0_svc+0x78/0x1d0 [ 82.211281][ T5604] el0t_64_sync_handler+0xcc/0xe4 [ 82.212064][ T5604] el0t_64_sync+0x1a0/0x1a4 [ 82.222769][ T5606] FAULT_INJECTION: forcing a failure. [ 82.222769][ T5606] name failslab, interval 1, probability 0, space 0, times 0 [ 82.224775][ T5606] CPU: 0 PID: 5606 Comm: syz.0.260 Tainted: G W syzkaller #0 [ 82.226184][ T5606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.227837][ T5606] Call trace: [ 82.228407][ T5606] dump_backtrace+0x0/0x458 [ 82.229191][ T5606] show_stack+0x2c/0x3c [ 82.229863][ T5606] __dump_stack+0x30/0x40 [ 82.230625][ T5606] dump_stack_lvl+0xf4/0x15c [ 82.231446][ T5606] dump_stack+0x1c/0x5c [ 82.232129][ T5606] should_fail+0x3bc/0x514 [ 82.232891][ T5606] __should_failslab+0xbc/0x10c [ 82.233724][ T5606] should_failslab+0x10/0x28 [ 82.234480][ T5606] slab_pre_alloc_hook+0x64/0xe8 [ 82.235365][ T5606] kmem_cache_alloc+0x94/0x3d4 [ 82.236201][ T5606] __debug_object_init+0x7c8/0xa0c [ 82.237034][ T5606] debug_object_init+0x20/0x2c [ 82.237917][ T5606] __percpu_counter_init+0x10c/0x26c [ 82.238823][ T5606] blkg_rwstat_init+0x1c4/0x2b8 [ 82.239683][ T5606] throtl_pd_alloc+0xc0/0x4ec [ 82.240459][ T5606] blkcg_activate_policy+0x204/0xa8c [ 82.241450][ T5606] blk_throtl_init+0x308/0x3ec [ 82.242256][ T5606] blkcg_init_queue+0x3cc/0x484 [ 82.243155][ T5606] blk_alloc_queue+0x3cc/0x4a0 [ 82.243899][ T5606] __blk_mq_alloc_disk+0x5c/0x154 [ 82.244738][ T5606] loop_add+0x240/0x6e0 [ 82.245483][ T5606] loop_control_ioctl+0x130/0x4e0 [ 82.246355][ T5606] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.247196][ T5606] invoke_syscall+0x98/0x2b0 [ 82.247921][ T5606] el0_svc_common+0x138/0x258 [ 82.248760][ T5606] do_el0_svc+0x58/0x13c [ 82.249511][ T5606] el0_svc+0x78/0x1d0 [ 82.250141][ T5606] el0t_64_sync_handler+0xcc/0xe4 [ 82.251048][ T5606] el0t_64_sync+0x1a0/0x1a4 [ 82.264202][ T5608] FAULT_INJECTION: forcing a failure. [ 82.264202][ T5608] name failslab, interval 1, probability 0, space 0, times 0 [ 82.266383][ T5608] CPU: 1 PID: 5608 Comm: syz.0.261 Tainted: G W syzkaller #0 [ 82.267812][ T5608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.269450][ T5608] Call trace: [ 82.270034][ T5608] dump_backtrace+0x0/0x458 [ 82.270755][ T5608] show_stack+0x2c/0x3c [ 82.271426][ T5608] __dump_stack+0x30/0x40 [ 82.272163][ T5608] dump_stack_lvl+0xf4/0x15c [ 82.272921][ T5608] dump_stack+0x1c/0x5c [ 82.273657][ T5608] should_fail+0x3bc/0x514 [ 82.274454][ T5608] __should_failslab+0xbc/0x10c [ 82.275306][ T5608] should_failslab+0x10/0x28 [ 82.276075][ T5608] slab_pre_alloc_hook+0x64/0xe8 [ 82.276875][ T5608] kmem_cache_alloc+0x94/0x3d4 [ 82.277747][ T5608] __debug_object_init+0x7c8/0xa0c [ 82.278613][ T5608] debug_object_init+0x20/0x2c [ 82.279395][ T5608] __percpu_counter_init+0x10c/0x26c [ 82.280322][ T5608] blkg_rwstat_init+0x164/0x2b8 [ 82.281138][ T5608] throtl_pd_alloc+0xc0/0x4ec [ 82.281902][ T5608] blkcg_activate_policy+0x204/0xa8c [ 82.282804][ T5608] blk_throtl_init+0x308/0x3ec [ 82.283609][ T5608] blkcg_init_queue+0x3cc/0x484 [ 82.284384][ T5608] blk_alloc_queue+0x3cc/0x4a0 [ 82.285173][ T5608] __blk_mq_alloc_disk+0x5c/0x154 [ 82.286051][ T5608] loop_add+0x240/0x6e0 [ 82.286771][ T5608] loop_control_ioctl+0x130/0x4e0 [ 82.287610][ T5608] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.288422][ T5608] invoke_syscall+0x98/0x2b0 [ 82.289232][ T5608] el0_svc_common+0x138/0x258 [ 82.290065][ T5608] do_el0_svc+0x58/0x13c [ 82.290830][ T5608] el0_svc+0x78/0x1d0 [ 82.291469][ T5608] el0t_64_sync_handler+0xcc/0xe4 [ 82.292305][ T5608] el0t_64_sync+0x1a0/0x1a4 [ 82.315106][ T5610] FAULT_INJECTION: forcing a failure. [ 82.315106][ T5610] name failslab, interval 1, probability 0, space 0, times 0 [ 82.317103][ T5610] CPU: 0 PID: 5610 Comm: syz.0.262 Tainted: G W syzkaller #0 [ 82.318507][ T5610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.320179][ T5610] Call trace: [ 82.320689][ T5610] dump_backtrace+0x0/0x458 [ 82.321433][ T5610] show_stack+0x2c/0x3c [ 82.322105][ T5610] __dump_stack+0x30/0x40 [ 82.322865][ T5610] dump_stack_lvl+0xf4/0x15c [ 82.323604][ T5610] dump_stack+0x1c/0x5c [ 82.324332][ T5610] should_fail+0x3bc/0x514 [ 82.325114][ T5610] __should_failslab+0xbc/0x10c [ 82.325930][ T5610] should_failslab+0x10/0x28 [ 82.326720][ T5610] slab_pre_alloc_hook+0x64/0xe8 [ 82.327571][ T5610] kmem_cache_alloc_trace+0x98/0x3ec [ 82.328461][ T5610] rand_initialize_disk+0x58/0xb8 [ 82.329339][ T5610] __alloc_disk_node+0x2a8/0x450 [ 82.330219][ T5610] __blk_mq_alloc_disk+0xe8/0x154 [ 82.331063][ T5610] loop_add+0x240/0x6e0 [ 82.331751][ T5610] loop_control_ioctl+0x130/0x4e0 [ 82.332690][ T5610] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.333502][ T5610] invoke_syscall+0x98/0x2b0 [ 82.334232][ T5610] el0_svc_common+0x138/0x258 [ 82.335062][ T5610] do_el0_svc+0x58/0x13c [ 82.335752][ T5610] el0_svc+0x78/0x1d0 [ 82.336411][ T5610] el0t_64_sync_handler+0xcc/0xe4 [ 82.337255][ T5610] el0t_64_sync+0x1a0/0x1a4 [ 82.349674][ T5612] FAULT_INJECTION: forcing a failure. [ 82.349674][ T5612] name failslab, interval 1, probability 0, space 0, times 0 [ 82.352316][ T5612] CPU: 1 PID: 5612 Comm: syz.0.263 Tainted: G W syzkaller #0 [ 82.353675][ T5612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.355259][ T5612] Call trace: [ 82.355814][ T5612] dump_backtrace+0x0/0x458 [ 82.356600][ T5612] show_stack+0x2c/0x3c [ 82.357336][ T5612] __dump_stack+0x30/0x40 [ 82.358076][ T5612] dump_stack_lvl+0xf4/0x15c [ 82.358830][ T5612] dump_stack+0x1c/0x5c [ 82.359486][ T5612] should_fail+0x3bc/0x514 [ 82.360232][ T5612] __should_failslab+0xbc/0x10c [ 82.361024][ T5612] should_failslab+0x10/0x28 [ 82.361766][ T5612] slab_pre_alloc_hook+0x64/0xe8 [ 82.362644][ T5612] __kmalloc_track_caller+0x70/0x358 [ 82.363480][ T5612] kstrdup+0xe4/0x15c [ 82.364204][ T5612] kstrdup_const+0x54/0x6c [ 82.364964][ T5612] kvasprintf_const+0x120/0x2e4 [ 82.365841][ T5612] kobject_set_name_vargs+0xd8/0x1c8 [ 82.366761][ T5612] dev_set_name+0xe8/0x13c [ 82.367517][ T5612] device_add_disk+0x258/0xacc [ 82.368335][ T5612] loop_add+0x510/0x6e0 [ 82.369095][ T5612] loop_control_ioctl+0x130/0x4e0 [ 82.369986][ T5612] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.370928][ T5612] invoke_syscall+0x98/0x2b0 [ 82.371748][ T5612] el0_svc_common+0x138/0x258 [ 82.372535][ T5612] do_el0_svc+0x58/0x13c [ 82.373239][ T5612] el0_svc+0x78/0x1d0 [ 82.373890][ T5612] el0t_64_sync_handler+0xcc/0xe4 [ 82.374689][ T5612] el0t_64_sync+0x1a0/0x1a4 [ 82.385177][ T5614] FAULT_INJECTION: forcing a failure. [ 82.385177][ T5614] name failslab, interval 1, probability 0, space 0, times 0 [ 82.387178][ T5614] CPU: 0 PID: 5614 Comm: syz.0.264 Tainted: G W syzkaller #0 [ 82.388546][ T5614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.390149][ T5614] Call trace: [ 82.390756][ T5614] dump_backtrace+0x0/0x458 [ 82.391515][ T5614] show_stack+0x2c/0x3c [ 82.392150][ T5614] __dump_stack+0x30/0x40 [ 82.392902][ T5614] dump_stack_lvl+0xf4/0x15c [ 82.393661][ T5614] dump_stack+0x1c/0x5c [ 82.394227][ T5614] should_fail+0x3bc/0x514 [ 82.394912][ T5614] __should_failslab+0xbc/0x10c [ 82.396296][ T5614] should_failslab+0x10/0x28 [ 82.397056][ T5614] slab_pre_alloc_hook+0x64/0xe8 [ 82.397847][ T5614] __kmalloc_track_caller+0x70/0x358 [ 82.398720][ T5614] kstrdup+0xe4/0x15c [ 82.399374][ T5614] kstrdup_const+0x54/0x6c [ 82.400045][ T5614] kvasprintf_const+0x120/0x2e4 [ 82.400783][ T5614] kobject_set_name_vargs+0xd8/0x1c8 [ 82.401523][ T5614] dev_set_name+0xe8/0x13c [ 82.402217][ T5614] device_add_disk+0x258/0xacc [ 82.403021][ T5614] loop_add+0x510/0x6e0 [ 82.403766][ T5614] loop_control_ioctl+0x130/0x4e0 [ 82.404505][ T5614] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.405311][ T5614] invoke_syscall+0x98/0x2b0 [ 82.406068][ T5614] el0_svc_common+0x138/0x258 [ 82.406834][ T5614] do_el0_svc+0x58/0x13c [ 82.407516][ T5614] el0_svc+0x78/0x1d0 [ 82.408147][ T5614] el0t_64_sync_handler+0xcc/0xe4 [ 82.408888][ T5614] el0t_64_sync+0x1a0/0x1a4 [ 82.418309][ T5616] FAULT_INJECTION: forcing a failure. [ 82.418309][ T5616] name failslab, interval 1, probability 0, space 0, times 0 [ 82.420815][ T5616] CPU: 0 PID: 5616 Comm: syz.0.265 Tainted: G W syzkaller #0 [ 82.422316][ T5616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.423876][ T5616] Call trace: [ 82.424414][ T5616] dump_backtrace+0x0/0x458 [ 82.425151][ T5616] show_stack+0x2c/0x3c [ 82.425831][ T5616] __dump_stack+0x30/0x40 [ 82.426605][ T5616] dump_stack_lvl+0xf4/0x15c [ 82.427407][ T5616] dump_stack+0x1c/0x5c [ 82.428174][ T5616] should_fail+0x3bc/0x514 [ 82.428920][ T5616] __should_failslab+0xbc/0x10c [ 82.429760][ T5616] should_failslab+0x10/0x28 [ 82.430537][ T5616] slab_pre_alloc_hook+0x64/0xe8 [ 82.431384][ T5616] kmem_cache_alloc_trace+0x98/0x3ec [ 82.432275][ T5616] blk_iolatency_init+0x64/0x430 [ 82.433116][ T5616] blkcg_init_queue+0x3f0/0x484 [ 82.433930][ T5616] blk_alloc_queue+0x3cc/0x4a0 [ 82.434675][ T5616] __blk_mq_alloc_disk+0x5c/0x154 [ 82.435496][ T5616] loop_add+0x240/0x6e0 [ 82.436219][ T5616] loop_control_ioctl+0x130/0x4e0 [ 82.437092][ T5616] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.437945][ T5616] invoke_syscall+0x98/0x2b0 [ 82.438763][ T5616] el0_svc_common+0x138/0x258 [ 82.439596][ T5616] do_el0_svc+0x58/0x13c [ 82.440336][ T5616] el0_svc+0x78/0x1d0 [ 82.441014][ T5616] el0t_64_sync_handler+0xcc/0xe4 [ 82.441861][ T5616] el0t_64_sync+0x1a0/0x1a4 [ 82.454532][ T5618] FAULT_INJECTION: forcing a failure. [ 82.454532][ T5618] name failslab, interval 1, probability 0, space 0, times 0 [ 82.456598][ T5618] CPU: 0 PID: 5618 Comm: syz.0.266 Tainted: G W syzkaller #0 [ 82.458143][ T5618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.459807][ T5618] Call trace: [ 82.460350][ T5618] dump_backtrace+0x0/0x458 [ 82.461111][ T5618] show_stack+0x2c/0x3c [ 82.461799][ T5618] __dump_stack+0x30/0x40 [ 82.462551][ T5618] dump_stack_lvl+0xf4/0x15c [ 82.463323][ T5618] dump_stack+0x1c/0x5c [ 82.464091][ T5618] should_fail+0x3bc/0x514 [ 82.464920][ T5618] __should_failslab+0xbc/0x10c [ 82.465727][ T5618] should_failslab+0x10/0x28 [ 82.466485][ T5618] slab_pre_alloc_hook+0x64/0xe8 [ 82.467316][ T5618] kmem_cache_alloc+0x94/0x3d4 [ 82.468168][ T5618] __debug_object_init+0x73c/0xa0c [ 82.469062][ T5618] debug_object_init+0x20/0x2c [ 82.469916][ T5618] init_timer_key+0x54/0x410 [ 82.470691][ T5618] blk_mq_realloc_hw_ctxs+0x514/0x133c [ 82.471582][ T5618] blk_mq_init_allocated_queue+0x36c/0x158c [ 82.472627][ T5618] __blk_mq_alloc_disk+0x88/0x154 [ 82.473389][ T5618] loop_add+0x240/0x6e0 [ 82.474129][ T5618] loop_control_ioctl+0x130/0x4e0 [ 82.475040][ T5618] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.475778][ T5618] invoke_syscall+0x98/0x2b0 [ 82.476509][ T5618] el0_svc_common+0x138/0x258 [ 82.477305][ T5618] do_el0_svc+0x58/0x13c [ 82.477998][ T5618] el0_svc+0x78/0x1d0 [ 82.478616][ T5618] el0t_64_sync_handler+0xcc/0xe4 [ 82.479526][ T5618] el0t_64_sync+0x1a0/0x1a4 [ 82.492959][ T5620] FAULT_INJECTION: forcing a failure. [ 82.492959][ T5620] name failslab, interval 1, probability 0, space 0, times 0 [ 82.495069][ T5620] CPU: 1 PID: 5620 Comm: syz.0.267 Tainted: G W syzkaller #0 [ 82.496596][ T5620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.498223][ T5620] Call trace: [ 82.498746][ T5620] dump_backtrace+0x0/0x458 [ 82.499447][ T5620] show_stack+0x2c/0x3c [ 82.500219][ T5620] __dump_stack+0x30/0x40 [ 82.501041][ T5620] dump_stack_lvl+0xf4/0x15c [ 82.501864][ T5620] dump_stack+0x1c/0x5c [ 82.502578][ T5620] should_fail+0x3bc/0x514 [ 82.503322][ T5620] __should_failslab+0xbc/0x10c [ 82.504081][ T5620] should_failslab+0x10/0x28 [ 82.504832][ T5620] slab_pre_alloc_hook+0x64/0xe8 [ 82.505667][ T5620] kmem_cache_alloc_trace+0x98/0x3ec [ 82.506540][ T5620] rand_initialize_disk+0x58/0xb8 [ 82.507393][ T5620] __alloc_disk_node+0x2a8/0x450 [ 82.508173][ T5620] __blk_mq_alloc_disk+0xe8/0x154 [ 82.509029][ T5620] loop_add+0x240/0x6e0 [ 82.509702][ T5620] loop_control_ioctl+0x130/0x4e0 [ 82.510525][ T5620] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.511387][ T5620] invoke_syscall+0x98/0x2b0 [ 82.512167][ T5620] el0_svc_common+0x138/0x258 [ 82.512918][ T5620] do_el0_svc+0x58/0x13c [ 82.513576][ T5620] el0_svc+0x78/0x1d0 [ 82.514204][ T5620] el0t_64_sync_handler+0xcc/0xe4 [ 82.515064][ T5620] el0t_64_sync+0x1a0/0x1a4 [ 82.527885][ T5622] FAULT_INJECTION: forcing a failure. [ 82.527885][ T5622] name failslab, interval 1, probability 0, space 0, times 0 [ 82.529848][ T5622] CPU: 0 PID: 5622 Comm: syz.0.268 Tainted: G W syzkaller #0 [ 82.531254][ T5622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.533104][ T5622] Call trace: [ 82.533632][ T5622] dump_backtrace+0x0/0x458 [ 82.534364][ T5622] show_stack+0x2c/0x3c [ 82.535101][ T5622] __dump_stack+0x30/0x40 [ 82.535860][ T5622] dump_stack_lvl+0xf4/0x15c [ 82.536610][ T5622] dump_stack+0x1c/0x5c [ 82.537285][ T5622] should_fail+0x3bc/0x514 [ 82.538003][ T5622] __should_failslab+0xbc/0x10c [ 82.538814][ T5622] should_failslab+0x10/0x28 [ 82.539587][ T5622] slab_pre_alloc_hook+0x64/0xe8 [ 82.540383][ T5622] __kmalloc_track_caller+0x70/0x358 [ 82.541244][ T5622] kstrdup+0xe4/0x15c [ 82.541888][ T5622] kstrdup_const+0x54/0x6c [ 82.542696][ T5622] kvasprintf_const+0x120/0x2e4 [ 82.543618][ T5622] kobject_set_name_vargs+0xd8/0x1c8 [ 82.544563][ T5622] dev_set_name+0xe8/0x13c [ 82.545359][ T5622] device_add_disk+0x258/0xacc [ 82.546147][ T5622] loop_add+0x510/0x6e0 [ 82.546789][ T5622] loop_control_ioctl+0x130/0x4e0 [ 82.547650][ T5622] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.548489][ T5622] invoke_syscall+0x98/0x2b0 [ 82.549292][ T5622] el0_svc_common+0x138/0x258 [ 82.550037][ T5622] do_el0_svc+0x58/0x13c [ 82.550768][ T5622] el0_svc+0x78/0x1d0 [ 82.551445][ T5622] el0t_64_sync_handler+0xcc/0xe4 [ 82.552235][ T5622] el0t_64_sync+0x1a0/0x1a4 [ 82.562864][ T5624] FAULT_INJECTION: forcing a failure. [ 82.562864][ T5624] name failslab, interval 1, probability 0, space 0, times 0 [ 82.564922][ T5624] CPU: 0 PID: 5624 Comm: syz.0.269 Tainted: G W syzkaller #0 [ 82.566323][ T5624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.567956][ T5624] Call trace: [ 82.568497][ T5624] dump_backtrace+0x0/0x458 [ 82.569272][ T5624] show_stack+0x2c/0x3c [ 82.569996][ T5624] __dump_stack+0x30/0x40 [ 82.570784][ T5624] dump_stack_lvl+0xf4/0x15c [ 82.571576][ T5624] dump_stack+0x1c/0x5c [ 82.572244][ T5624] should_fail+0x3bc/0x514 [ 82.572992][ T5624] __should_failslab+0xbc/0x10c [ 82.573775][ T5624] should_failslab+0x10/0x28 [ 82.574508][ T5624] slab_pre_alloc_hook+0x64/0xe8 [ 82.575347][ T5624] kmem_cache_alloc_trace+0x98/0x3ec [ 82.576158][ T5624] blk_iolatency_init+0x64/0x430 [ 82.577069][ T5624] blkcg_init_queue+0x3f0/0x484 [ 82.577893][ T5624] blk_alloc_queue+0x3cc/0x4a0 [ 82.578659][ T5624] __blk_mq_alloc_disk+0x5c/0x154 [ 82.579481][ T5624] loop_add+0x240/0x6e0 [ 82.580180][ T5624] loop_control_ioctl+0x130/0x4e0 [ 82.580993][ T5624] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.581842][ T5624] invoke_syscall+0x98/0x2b0 [ 82.582629][ T5624] el0_svc_common+0x138/0x258 [ 82.583430][ T5624] do_el0_svc+0x58/0x13c [ 82.584147][ T5624] el0_svc+0x78/0x1d0 [ 82.584808][ T5624] el0t_64_sync_handler+0xcc/0xe4 [ 82.585658][ T5624] el0t_64_sync+0x1a0/0x1a4 [ 82.596224][ T5626] FAULT_INJECTION: forcing a failure. [ 82.596224][ T5626] name failslab, interval 1, probability 0, space 0, times 0 [ 82.598418][ T5626] CPU: 1 PID: 5626 Comm: syz.0.270 Tainted: G W syzkaller #0 [ 82.599886][ T5626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.601607][ T5626] Call trace: [ 82.602123][ T5626] dump_backtrace+0x0/0x458 [ 82.602945][ T5626] show_stack+0x2c/0x3c [ 82.603595][ T5626] __dump_stack+0x30/0x40 [ 82.604379][ T5626] dump_stack_lvl+0xf4/0x15c [ 82.605220][ T5626] dump_stack+0x1c/0x5c [ 82.605922][ T5626] should_fail+0x3bc/0x514 [ 82.606663][ T5626] __should_failslab+0xbc/0x10c [ 82.607471][ T5626] should_failslab+0x10/0x28 [ 82.608284][ T5626] slab_pre_alloc_hook+0x64/0xe8 [ 82.609181][ T5626] __kmalloc_track_caller+0x70/0x358 [ 82.610089][ T5626] kstrdup+0xe4/0x15c [ 82.610800][ T5626] kstrdup_const+0x54/0x6c [ 82.611591][ T5626] kvasprintf_const+0x120/0x2e4 [ 82.612405][ T5626] kobject_set_name_vargs+0xd8/0x1c8 [ 82.613288][ T5626] dev_set_name+0xe8/0x13c [ 82.614123][ T5626] device_add_disk+0x258/0xacc [ 82.614935][ T5626] loop_add+0x510/0x6e0 [ 82.615673][ T5626] loop_control_ioctl+0x130/0x4e0 [ 82.616510][ T5626] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.617329][ T5626] invoke_syscall+0x98/0x2b0 [ 82.618010][ T5626] el0_svc_common+0x138/0x258 [ 82.618763][ T5626] do_el0_svc+0x58/0x13c [ 82.619475][ T5626] el0_svc+0x78/0x1d0 [ 82.620086][ T5626] el0t_64_sync_handler+0xcc/0xe4 [ 82.620837][ T5626] el0t_64_sync+0x1a0/0x1a4 [ 82.629825][ T5628] FAULT_INJECTION: forcing a failure. [ 82.629825][ T5628] name failslab, interval 1, probability 0, space 0, times 0 [ 82.631983][ T5628] CPU: 1 PID: 5628 Comm: syz.0.271 Tainted: G W syzkaller #0 [ 82.633401][ T5628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.635025][ T5628] Call trace: [ 82.635558][ T5628] dump_backtrace+0x0/0x458 [ 82.636256][ T5628] show_stack+0x2c/0x3c [ 82.636881][ T5628] __dump_stack+0x30/0x40 [ 82.637595][ T5628] dump_stack_lvl+0xf4/0x15c [ 82.638324][ T5628] dump_stack+0x1c/0x5c [ 82.639033][ T5628] should_fail+0x3bc/0x514 [ 82.639739][ T5628] __should_failslab+0xbc/0x10c [ 82.640505][ T5628] should_failslab+0x10/0x28 [ 82.641212][ T5628] slab_pre_alloc_hook+0x64/0xe8 [ 82.642054][ T5628] kmem_cache_alloc+0x94/0x3d4 [ 82.642924][ T5628] __debug_object_init+0x6c4/0xa0c [ 82.643782][ T5628] debug_object_init+0x20/0x2c [ 82.644594][ T5628] init_timer_key+0x54/0x410 [ 82.645367][ T5628] wb_init+0x3cc/0x6e4 [ 82.646068][ T5628] bdi_init+0x1b4/0x2f4 [ 82.646725][ T5628] bdi_alloc+0x6c/0x144 [ 82.647439][ T5628] __alloc_disk_node+0x8c/0x450 [ 82.648293][ T5628] __blk_mq_alloc_disk+0xe8/0x154 [ 82.649124][ T5628] loop_add+0x240/0x6e0 [ 82.649870][ T5628] loop_control_ioctl+0x130/0x4e0 [ 82.650793][ T5628] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.651647][ T5628] invoke_syscall+0x98/0x2b0 [ 82.652440][ T5628] el0_svc_common+0x138/0x258 [ 82.653209][ T5628] do_el0_svc+0x58/0x13c [ 82.653858][ T5628] el0_svc+0x78/0x1d0 [ 82.654590][ T5628] el0t_64_sync_handler+0xcc/0xe4 [ 82.655437][ T5628] el0t_64_sync+0x1a0/0x1a4 [ 82.668364][ T5630] FAULT_INJECTION: forcing a failure. [ 82.668364][ T5630] name failslab, interval 1, probability 0, space 0, times 0 [ 82.670654][ T5630] CPU: 0 PID: 5630 Comm: syz.0.272 Tainted: G W syzkaller #0 [ 82.671983][ T5630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.673721][ T5630] Call trace: [ 82.674212][ T5630] dump_backtrace+0x0/0x458 [ 82.674965][ T5630] show_stack+0x2c/0x3c [ 82.675625][ T5630] __dump_stack+0x30/0x40 [ 82.676227][ T5630] dump_stack_lvl+0xf4/0x15c [ 82.676930][ T5630] dump_stack+0x1c/0x5c [ 82.677675][ T5630] should_fail+0x3bc/0x514 [ 82.678444][ T5630] __should_failslab+0xbc/0x10c [ 82.679327][ T5630] should_failslab+0x10/0x28 [ 82.680081][ T5630] slab_pre_alloc_hook+0x64/0xe8 [ 82.680886][ T5630] kmem_cache_alloc+0x94/0x3d4 [ 82.681689][ T5630] security_inode_alloc+0x38/0x11c [ 82.682573][ T5630] inode_init_always+0x670/0xa84 [ 82.683434][ T5630] new_inode_pseudo+0x7c/0x1fc [ 82.684263][ T5630] new_inode+0x38/0x174 [ 82.684977][ T5630] bdev_alloc+0x30/0x1f8 [ 82.685667][ T5630] __alloc_disk_node+0xbc/0x450 [ 82.686522][ T5630] __blk_mq_alloc_disk+0xe8/0x154 [ 82.687415][ T5630] loop_add+0x240/0x6e0 [ 82.688073][ T5630] loop_control_ioctl+0x130/0x4e0 [ 82.688903][ T5630] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.689757][ T5630] invoke_syscall+0x98/0x2b0 [ 82.690587][ T5630] el0_svc_common+0x138/0x258 [ 82.691351][ T5630] do_el0_svc+0x58/0x13c [ 82.692033][ T5630] el0_svc+0x78/0x1d0 [ 82.692754][ T5630] el0t_64_sync_handler+0xcc/0xe4 [ 82.693672][ T5630] el0t_64_sync+0x1a0/0x1a4 [ 82.702870][ T5632] FAULT_INJECTION: forcing a failure. [ 82.702870][ T5632] name failslab, interval 1, probability 0, space 0, times 0 [ 82.704940][ T5632] CPU: 0 PID: 5632 Comm: syz.0.273 Tainted: G W syzkaller #0 [ 82.706362][ T5632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.707970][ T5632] Call trace: [ 82.708494][ T5632] dump_backtrace+0x0/0x458 [ 82.709268][ T5632] show_stack+0x2c/0x3c [ 82.709953][ T5632] __dump_stack+0x30/0x40 [ 82.710693][ T5632] dump_stack_lvl+0xf4/0x15c [ 82.711419][ T5632] dump_stack+0x1c/0x5c [ 82.712165][ T5632] should_fail+0x3bc/0x514 [ 82.712907][ T5632] __should_failslab+0xbc/0x10c [ 82.713778][ T5632] should_failslab+0x10/0x28 [ 82.714540][ T5632] slab_pre_alloc_hook+0x64/0xe8 [ 82.715325][ T5632] kmem_cache_alloc+0x94/0x3d4 [ 82.716186][ T5632] __debug_object_init+0x728/0xa0c [ 82.717021][ T5632] debug_object_init+0x20/0x2c [ 82.717919][ T5632] init_timer_key+0x54/0x410 [ 82.718710][ T5632] blk_mq_realloc_hw_ctxs+0x514/0x133c [ 82.719723][ T5632] blk_mq_init_allocated_queue+0x36c/0x158c [ 82.720720][ T5632] __blk_mq_alloc_disk+0x88/0x154 [ 82.721541][ T5632] loop_add+0x240/0x6e0 [ 82.722193][ T5632] loop_control_ioctl+0x130/0x4e0 [ 82.722976][ T5632] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.723758][ T5632] invoke_syscall+0x98/0x2b0 [ 82.724510][ T5632] el0_svc_common+0x138/0x258 [ 82.725339][ T5632] do_el0_svc+0x58/0x13c [ 82.726075][ T5632] el0_svc+0x78/0x1d0 [ 82.726827][ T5632] el0t_64_sync_handler+0xcc/0xe4 [ 82.727695][ T5632] el0t_64_sync+0x1a0/0x1a4 [ 82.740915][ T5634] FAULT_INJECTION: forcing a failure. [ 82.740915][ T5634] name failslab, interval 1, probability 0, space 0, times 0 [ 82.742944][ T5634] CPU: 1 PID: 5634 Comm: syz.0.274 Tainted: G W syzkaller #0 [ 82.744317][ T5634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.745882][ T5634] Call trace: [ 82.746431][ T5634] dump_backtrace+0x0/0x458 [ 82.747113][ T5634] show_stack+0x2c/0x3c [ 82.747754][ T5634] __dump_stack+0x30/0x40 [ 82.748552][ T5634] dump_stack_lvl+0xf4/0x15c [ 82.749290][ T5634] dump_stack+0x1c/0x5c [ 82.749964][ T5634] should_fail+0x3bc/0x514 [ 82.750679][ T5634] __should_failslab+0xbc/0x10c [ 82.751527][ T5634] should_failslab+0x10/0x28 [ 82.752234][ T5634] slab_pre_alloc_hook+0x64/0xe8 [ 82.753019][ T5634] kmem_cache_alloc+0x94/0x3d4 [ 82.753814][ T5634] security_inode_alloc+0x38/0x11c [ 82.754617][ T5634] inode_init_always+0x670/0xa84 [ 82.755446][ T5634] new_inode_pseudo+0x7c/0x1fc [ 82.756223][ T5634] new_inode+0x38/0x174 [ 82.756927][ T5634] bdev_alloc+0x30/0x1f8 [ 82.757618][ T5634] __alloc_disk_node+0xbc/0x450 [ 82.758478][ T5634] __blk_mq_alloc_disk+0xe8/0x154 [ 82.759358][ T5634] loop_add+0x240/0x6e0 [ 82.760063][ T5634] loop_control_ioctl+0x130/0x4e0 [ 82.760849][ T5634] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.761594][ T5634] invoke_syscall+0x98/0x2b0 [ 82.762271][ T5634] el0_svc_common+0x138/0x258 [ 82.762916][ T5634] do_el0_svc+0x58/0x13c [ 82.763536][ T5634] el0_svc+0x78/0x1d0 [ 82.764134][ T5634] el0t_64_sync_handler+0xcc/0xe4 [ 82.764930][ T5634] el0t_64_sync+0x1a0/0x1a4 [ 82.775797][ T5636] FAULT_INJECTION: forcing a failure. [ 82.775797][ T5636] name failslab, interval 1, probability 0, space 0, times 0 [ 82.777808][ T5636] CPU: 1 PID: 5636 Comm: syz.0.275 Tainted: G W syzkaller #0 [ 82.779144][ T5636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.780914][ T5636] Call trace: [ 82.781484][ T5636] dump_backtrace+0x0/0x458 [ 82.782231][ T5636] show_stack+0x2c/0x3c [ 82.782900][ T5636] __dump_stack+0x30/0x40 [ 82.783610][ T5636] dump_stack_lvl+0xf4/0x15c [ 82.784310][ T5636] dump_stack+0x1c/0x5c [ 82.784949][ T5636] should_fail+0x3bc/0x514 [ 82.785603][ T5636] __should_failslab+0xbc/0x10c [ 82.786427][ T5636] should_failslab+0x10/0x28 [ 82.787233][ T5636] slab_pre_alloc_hook+0x64/0xe8 [ 82.788051][ T5636] kmem_cache_alloc_trace+0x98/0x3ec [ 82.788971][ T5636] blk_iolatency_init+0x64/0x430 [ 82.789751][ T5636] blkcg_init_queue+0x3f0/0x484 [ 82.790540][ T5636] blk_alloc_queue+0x3cc/0x4a0 [ 82.791367][ T5636] __blk_mq_alloc_disk+0x5c/0x154 [ 82.792177][ T5636] loop_add+0x240/0x6e0 [ 82.792834][ T5636] loop_control_ioctl+0x130/0x4e0 [ 82.793638][ T5636] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.794525][ T5636] invoke_syscall+0x98/0x2b0 [ 82.795266][ T5636] el0_svc_common+0x138/0x258 [ 82.796096][ T5636] do_el0_svc+0x58/0x13c [ 82.796771][ T5636] el0_svc+0x78/0x1d0 [ 82.797359][ T5636] el0t_64_sync_handler+0xcc/0xe4 [ 82.798132][ T5636] el0t_64_sync+0x1a0/0x1a4 [ 82.809445][ T5638] FAULT_INJECTION: forcing a failure. [ 82.809445][ T5638] name failslab, interval 1, probability 0, space 0, times 0 [ 82.812332][ T5638] CPU: 1 PID: 5638 Comm: syz.0.276 Tainted: G W syzkaller #0 [ 82.813720][ T5638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.815154][ T5638] Call trace: [ 82.815625][ T5638] dump_backtrace+0x0/0x458 [ 82.816370][ T5638] show_stack+0x2c/0x3c [ 82.817088][ T5638] __dump_stack+0x30/0x40 [ 82.817807][ T5638] dump_stack_lvl+0xf4/0x15c [ 82.818542][ T5638] dump_stack+0x1c/0x5c [ 82.819240][ T5638] should_fail+0x3bc/0x514 [ 82.819982][ T5638] __should_failslab+0xbc/0x10c [ 82.820780][ T5638] should_failslab+0x10/0x28 [ 82.821545][ T5638] slab_pre_alloc_hook+0x64/0xe8 [ 82.822375][ T5638] __kmalloc_track_caller+0x70/0x358 [ 82.823307][ T5638] kstrdup+0xe4/0x15c [ 82.823979][ T5638] kstrdup_const+0x54/0x6c [ 82.824711][ T5638] kvasprintf_const+0x120/0x2e4 [ 82.825511][ T5638] kobject_set_name_vargs+0xd8/0x1c8 [ 82.826422][ T5638] dev_set_name+0xe8/0x13c [ 82.827185][ T5638] device_add_disk+0x258/0xacc [ 82.828038][ T5638] loop_add+0x510/0x6e0 [ 82.828705][ T5638] loop_control_ioctl+0x130/0x4e0 [ 82.829618][ T5638] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.830497][ T5638] invoke_syscall+0x98/0x2b0 [ 82.831254][ T5638] el0_svc_common+0x138/0x258 [ 82.832052][ T5638] do_el0_svc+0x58/0x13c [ 82.832799][ T5638] el0_svc+0x78/0x1d0 [ 82.833581][ T5638] el0t_64_sync_handler+0xcc/0xe4 [ 82.834441][ T5638] el0t_64_sync+0x1a0/0x1a4 [ 82.847810][ T5640] FAULT_INJECTION: forcing a failure. [ 82.847810][ T5640] name failslab, interval 1, probability 0, space 0, times 0 [ 82.849790][ T5640] CPU: 1 PID: 5640 Comm: syz.0.277 Tainted: G W syzkaller #0 [ 82.851188][ T5640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.852815][ T5640] Call trace: [ 82.853465][ T5640] dump_backtrace+0x0/0x458 [ 82.854230][ T5640] show_stack+0x2c/0x3c [ 82.854843][ T5640] __dump_stack+0x30/0x40 [ 82.855652][ T5640] dump_stack_lvl+0xf4/0x15c [ 82.856444][ T5640] dump_stack+0x1c/0x5c [ 82.857148][ T5640] should_fail+0x3bc/0x514 [ 82.857847][ T5640] __should_failslab+0xbc/0x10c [ 82.858656][ T5640] should_failslab+0x10/0x28 [ 82.859380][ T5640] slab_pre_alloc_hook+0x64/0xe8 [ 82.860245][ T5640] __kmalloc_track_caller+0x70/0x358 [ 82.861198][ T5640] kstrdup+0xe4/0x15c [ 82.861850][ T5640] kstrdup_const+0x54/0x6c [ 82.862574][ T5640] kvasprintf_const+0x120/0x2e4 [ 82.863348][ T5640] kobject_set_name_vargs+0xd8/0x1c8 [ 82.864287][ T5640] dev_set_name+0xe8/0x13c [ 82.865047][ T5640] device_add_disk+0x258/0xacc [ 82.865889][ T5640] loop_add+0x510/0x6e0 [ 82.866567][ T5640] loop_control_ioctl+0x130/0x4e0 [ 82.867435][ T5640] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.868239][ T5640] invoke_syscall+0x98/0x2b0 [ 82.869107][ T5640] el0_svc_common+0x138/0x258 [ 82.869948][ T5640] do_el0_svc+0x58/0x13c [ 82.870726][ T5640] el0_svc+0x78/0x1d0 [ 82.871395][ T5640] el0t_64_sync_handler+0xcc/0xe4 [ 82.872175][ T5640] el0t_64_sync+0x1a0/0x1a4 [ 82.885891][ T5642] FAULT_INJECTION: forcing a failure. [ 82.885891][ T5642] name failslab, interval 1, probability 0, space 0, times 0 [ 82.888044][ T5642] CPU: 0 PID: 5642 Comm: syz.0.278 Tainted: G W syzkaller #0 [ 82.889429][ T5642] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.891033][ T5642] Call trace: [ 82.891615][ T5642] dump_backtrace+0x0/0x458 [ 82.892384][ T5642] show_stack+0x2c/0x3c [ 82.893087][ T5642] __dump_stack+0x30/0x40 [ 82.893756][ T5642] dump_stack_lvl+0xf4/0x15c [ 82.894505][ T5642] dump_stack+0x1c/0x5c [ 82.895167][ T5642] should_fail+0x3bc/0x514 [ 82.895912][ T5642] __should_failslab+0xbc/0x10c [ 82.896715][ T5642] should_failslab+0x10/0x28 [ 82.897529][ T5642] slab_pre_alloc_hook+0x64/0xe8 [ 82.898420][ T5642] kmem_cache_alloc+0x94/0x3d4 [ 82.899174][ T5642] __debug_object_init+0x6b0/0xa0c [ 82.900089][ T5642] debug_object_init+0x20/0x2c [ 82.900865][ T5642] __percpu_counter_init+0x10c/0x26c [ 82.901669][ T5642] wb_init+0x5c0/0x6e4 [ 82.902292][ T5642] bdi_init+0x1b4/0x2f4 [ 82.902908][ T5642] bdi_alloc+0x6c/0x144 [ 82.903519][ T5642] __alloc_disk_node+0x8c/0x450 [ 82.904242][ T5642] __blk_mq_alloc_disk+0xe8/0x154 [ 82.905020][ T5642] loop_add+0x240/0x6e0 [ 82.905640][ T5642] loop_control_ioctl+0x130/0x4e0 [ 82.906410][ T5642] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.907159][ T5642] invoke_syscall+0x98/0x2b0 [ 82.907841][ T5642] el0_svc_common+0x138/0x258 [ 82.908526][ T5642] do_el0_svc+0x58/0x13c [ 82.909141][ T5642] el0_svc+0x78/0x1d0 [ 82.909710][ T5642] el0t_64_sync_handler+0xcc/0xe4 [ 82.910549][ T5642] el0t_64_sync+0x1a0/0x1a4 [ 82.923971][ T5644] FAULT_INJECTION: forcing a failure. [ 82.923971][ T5644] name failslab, interval 1, probability 0, space 0, times 0 [ 82.926012][ T5644] CPU: 1 PID: 5644 Comm: syz.0.279 Tainted: G W syzkaller #0 [ 82.927380][ T5644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.928959][ T5644] Call trace: [ 82.929488][ T5644] dump_backtrace+0x0/0x458 [ 82.930235][ T5644] show_stack+0x2c/0x3c [ 82.930958][ T5644] __dump_stack+0x30/0x40 [ 82.931674][ T5644] dump_stack_lvl+0xf4/0x15c [ 82.932440][ T5644] dump_stack+0x1c/0x5c [ 82.933110][ T5644] should_fail+0x3bc/0x514 [ 82.933813][ T5644] __should_failslab+0xbc/0x10c [ 82.934667][ T5644] should_failslab+0x10/0x28 [ 82.935456][ T5644] slab_pre_alloc_hook+0x64/0xe8 [ 82.936230][ T5644] __kmalloc_track_caller+0x70/0x358 [ 82.937103][ T5644] kstrdup+0xe4/0x15c [ 82.937780][ T5644] kstrdup_const+0x54/0x6c [ 82.938559][ T5644] kvasprintf_const+0x120/0x2e4 [ 82.939292][ T5644] kobject_set_name_vargs+0xd8/0x1c8 [ 82.940170][ T5644] dev_set_name+0xe8/0x13c [ 82.940916][ T5644] device_add_disk+0x258/0xacc [ 82.941695][ T5644] loop_add+0x510/0x6e0 [ 82.942394][ T5644] loop_control_ioctl+0x130/0x4e0 [ 82.943204][ T5644] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.944027][ T5644] invoke_syscall+0x98/0x2b0 [ 82.944767][ T5644] el0_svc_common+0x138/0x258 [ 82.945592][ T5644] do_el0_svc+0x58/0x13c [ 82.946276][ T5644] el0_svc+0x78/0x1d0 [ 82.946923][ T5644] el0t_64_sync_handler+0xcc/0xe4 [ 82.947718][ T5644] el0t_64_sync+0x1a0/0x1a4 [ 82.965918][ T5646] FAULT_INJECTION: forcing a failure. [ 82.965918][ T5646] name failslab, interval 1, probability 0, space 0, times 0 [ 82.967824][ T5646] CPU: 0 PID: 5646 Comm: syz.0.280 Tainted: G W syzkaller #0 [ 82.969305][ T5646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 82.971082][ T5646] Call trace: [ 82.971625][ T5646] dump_backtrace+0x0/0x458 [ 82.972335][ T5646] show_stack+0x2c/0x3c [ 82.972976][ T5646] __dump_stack+0x30/0x40 [ 82.973678][ T5646] dump_stack_lvl+0xf4/0x15c [ 82.974387][ T5646] dump_stack+0x1c/0x5c [ 82.975022][ T5646] should_fail+0x3bc/0x514 [ 82.975838][ T5646] __should_failslab+0xbc/0x10c [ 82.976681][ T5646] should_failslab+0x10/0x28 [ 82.977557][ T5646] slab_pre_alloc_hook+0x64/0xe8 [ 82.978385][ T5646] __kmalloc_track_caller+0x70/0x358 [ 82.979292][ T5646] kstrdup+0xe4/0x15c [ 82.979947][ T5646] kstrdup_const+0x54/0x6c [ 82.980651][ T5646] kvasprintf_const+0x120/0x2e4 [ 82.981510][ T5646] kobject_set_name_vargs+0xd8/0x1c8 [ 82.982358][ T5646] dev_set_name+0xe8/0x13c [ 82.983092][ T5646] device_add_disk+0x258/0xacc [ 82.983953][ T5646] loop_add+0x510/0x6e0 [ 82.984596][ T5646] loop_control_ioctl+0x130/0x4e0 [ 82.985421][ T5646] __arm64_sys_ioctl+0x14c/0x1c8 [ 82.986291][ T5646] invoke_syscall+0x98/0x2b0 [ 82.987063][ T5646] el0_svc_common+0x138/0x258 [ 82.987808][ T5646] do_el0_svc+0x58/0x13c [ 82.988541][ T5646] el0_svc+0x78/0x1d0 [ 82.989238][ T5646] el0t_64_sync_handler+0xcc/0xe4 [ 82.990022][ T5646] el0t_64_sync+0x1a0/0x1a4 [ 82.999689][ T5648] FAULT_INJECTION: forcing a failure. [ 82.999689][ T5648] name failslab, interval 1, probability 0, space 0, times 0 [ 83.002295][ T5648] CPU: 0 PID: 5648 Comm: syz.0.281 Tainted: G W syzkaller #0 [ 83.003614][ T5648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 83.005303][ T5648] Call trace: [ 83.005876][ T5648] dump_backtrace+0x0/0x458 [ 83.006551][ T5648] show_stack+0x2c/0x3c [ 83.007235][ T5648] __dump_stack+0x30/0x40 [ 83.007940][ T5648] dump_stack_lvl+0xf4/0x15c [ 83.008641][ T5648] dump_stack+0x1c/0x5c [ 83.009341][ T5648] should_fail+0x3bc/0x514 [ 83.010028][ T5648] __should_failslab+0xbc/0x10c [ 83.010880][ T5648] should_failslab+0x10/0x28 [ 83.011638][ T5648] slab_pre_alloc_hook+0x64/0xe8 [ 83.012473][ T5648] kmem_cache_alloc+0x94/0x3d4 [ 83.013283][ T5648] __debug_object_init+0x780/0xa0c [ 83.014173][ T5648] debug_object_init+0x20/0x2c [ 83.014971][ T5648] init_timer_key+0x54/0x410 [ 83.015697][ T5648] blk_iolatency_init+0x2cc/0x430 [ 83.016550][ T5648] blkcg_init_queue+0x3f0/0x484 [ 83.017370][ T5648] blk_alloc_queue+0x3cc/0x4a0 [ 83.018166][ T5648] __blk_mq_alloc_disk+0x5c/0x154 [ 83.019039][ T5648] loop_add+0x240/0x6e0 [ 83.019774][ T5648] loop_control_ioctl+0x130/0x4e0 [ 83.020630][ T5648] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.021502][ T5648] invoke_syscall+0x98/0x2b0 [ 83.022242][ T5648] el0_svc_common+0x138/0x258 [ 83.023034][ T5648] do_el0_svc+0x58/0x13c [ 83.023665][ T5648] el0_svc+0x78/0x1d0 [ 83.024330][ T5648] el0t_64_sync_handler+0xcc/0xe4 [ 83.025133][ T5648] el0t_64_sync+0x1a0/0x1a4 [ 83.037620][ T5650] FAULT_INJECTION: forcing a failure. [ 83.037620][ T5650] name failslab, interval 1, probability 0, space 0, times 0 [ 83.039906][ T5650] CPU: 1 PID: 5650 Comm: syz.0.282 Tainted: G W syzkaller #0 [ 83.041342][ T5650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 83.043021][ T5650] Call trace: [ 83.043553][ T5650] dump_backtrace+0x0/0x458 [ 83.044306][ T5650] show_stack+0x2c/0x3c [ 83.045030][ T5650] __dump_stack+0x30/0x40 [ 83.045757][ T5650] dump_stack_lvl+0xf4/0x15c [ 83.046481][ T5650] dump_stack+0x1c/0x5c [ 83.047151][ T5650] should_fail+0x3bc/0x514 [ 83.047801][ T5650] __should_failslab+0xbc/0x10c [ 83.048607][ T5650] should_failslab+0x10/0x28 [ 83.049435][ T5650] slab_pre_alloc_hook+0x64/0xe8 [ 83.050330][ T5650] kmem_cache_alloc_trace+0x98/0x3ec [ 83.051153][ T5650] rand_initialize_disk+0x58/0xb8 [ 83.052040][ T5650] __alloc_disk_node+0x2a8/0x450 [ 83.052809][ T5650] __blk_mq_alloc_disk+0xe8/0x154 [ 83.053685][ T5650] loop_add+0x240/0x6e0 [ 83.054391][ T5650] loop_control_ioctl+0x130/0x4e0 [ 83.055175][ T5650] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.055956][ T5650] invoke_syscall+0x98/0x2b0 [ 83.056747][ T5650] el0_svc_common+0x138/0x258 [ 83.057489][ T5650] do_el0_svc+0x58/0x13c [ 83.058179][ T5650] el0_svc+0x78/0x1d0 [ 83.058830][ T5650] el0t_64_sync_handler+0xcc/0xe4 [ 83.059624][ T5650] el0t_64_sync+0x1a0/0x1a4 [ 83.075213][ T5652] FAULT_INJECTION: forcing a failure. [ 83.075213][ T5652] name failslab, interval 1, probability 0, space 0, times 0 [ 83.077258][ T5652] CPU: 0 PID: 5652 Comm: syz.0.283 Tainted: G W syzkaller #0 [ 83.078813][ T5652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 83.080474][ T5652] Call trace: [ 83.081007][ T5652] dump_backtrace+0x0/0x458 [ 83.081800][ T5652] show_stack+0x2c/0x3c [ 83.082525][ T5652] __dump_stack+0x30/0x40 [ 83.083219][ T5652] dump_stack_lvl+0xf4/0x15c [ 83.083983][ T5652] dump_stack+0x1c/0x5c [ 83.084653][ T5652] should_fail+0x3bc/0x514 [ 83.085432][ T5652] __should_failslab+0xbc/0x10c [ 83.086266][ T5652] should_failslab+0x10/0x28 [ 83.087018][ T5652] slab_pre_alloc_hook+0x64/0xe8 [ 83.087838][ T5652] kmem_cache_alloc_trace+0x98/0x3ec [ 83.088701][ T5652] blk_iolatency_init+0x64/0x430 [ 83.089494][ T5652] blkcg_init_queue+0x3f0/0x484 [ 83.090333][ T5652] blk_alloc_queue+0x3cc/0x4a0 [ 83.091149][ T5652] __blk_mq_alloc_disk+0x5c/0x154 [ 83.091993][ T5652] loop_add+0x240/0x6e0 [ 83.092732][ T5652] loop_control_ioctl+0x130/0x4e0 [ 83.093548][ T5652] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.094355][ T5652] invoke_syscall+0x98/0x2b0 [ 83.095142][ T5652] el0_svc_common+0x138/0x258 [ 83.095877][ T5652] do_el0_svc+0x58/0x13c [ 83.096554][ T5652] el0_svc+0x78/0x1d0 [ 83.097213][ T5652] el0t_64_sync_handler+0xcc/0xe4 [ 83.098124][ T5652] el0t_64_sync+0x1a0/0x1a4 [ 83.108058][ T5654] FAULT_INJECTION: forcing a failure. [ 83.108058][ T5654] name failslab, interval 1, probability 0, space 0, times 0 [ 83.110033][ T5654] CPU: 0 PID: 5654 Comm: syz.0.284 Tainted: G W syzkaller #0 [ 83.111506][ T5654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 83.113146][ T5654] Call trace: [ 83.113659][ T5654] dump_backtrace+0x0/0x458 [ 83.114382][ T5654] show_stack+0x2c/0x3c [ 83.115051][ T5654] __dump_stack+0x30/0x40 [ 83.115705][ T5654] dump_stack_lvl+0xf4/0x15c [ 83.116432][ T5654] dump_stack+0x1c/0x5c [ 83.117138][ T5654] should_fail+0x3bc/0x514 [ 83.117897][ T5654] __should_failslab+0xbc/0x10c [ 83.118715][ T5654] should_failslab+0x10/0x28 [ 83.119530][ T5654] slab_pre_alloc_hook+0x64/0xe8 [ 83.120381][ T5654] kmem_cache_alloc+0x94/0x3d4 [ 83.121262][ T5654] __debug_object_init+0x6b0/0xa0c [ 83.122145][ T5654] debug_object_init+0x20/0x2c [ 83.122932][ T5654] __percpu_counter_init+0x10c/0x26c [ 83.123827][ T5654] wb_init+0x5f8/0x6e4 [ 83.124477][ T5654] bdi_init+0x1b4/0x2f4 [ 83.125182][ T5654] bdi_alloc+0x6c/0x144 [ 83.125894][ T5654] __alloc_disk_node+0x8c/0x450 [ 83.126656][ T5654] __blk_mq_alloc_disk+0xe8/0x154 [ 83.127468][ T5654] loop_add+0x240/0x6e0 [ 83.128153][ T5654] loop_control_ioctl+0x130/0x4e0 [ 83.128962][ T5654] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.129748][ T5654] invoke_syscall+0x98/0x2b0 [ 83.130501][ T5654] el0_svc_common+0x138/0x258 [ 83.131225][ T5654] do_el0_svc+0x58/0x13c [ 83.131883][ T5654] el0_svc+0x78/0x1d0 [ 83.132517][ T5654] el0t_64_sync_handler+0xcc/0xe4 [ 83.133355][ T5654] el0t_64_sync+0x1a0/0x1a4 [ 83.144671][ T5656] FAULT_INJECTION: forcing a failure. [ 83.144671][ T5656] name failslab, interval 1, probability 0, space 0, times 0 [ 83.146581][ T5656] CPU: 0 PID: 5656 Comm: syz.0.285 Tainted: G W syzkaller #0 [ 83.147982][ T5656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 83.149562][ T5656] Call trace: [ 83.150079][ T5656] dump_backtrace+0x0/0x458 [ 83.150780][ T5656] show_stack+0x2c/0x3c [ 83.151460][ T5656] __dump_stack+0x30/0x40 [ 83.152123][ T5656] dump_stack_lvl+0xf4/0x15c [ 83.152833][ T5656] dump_stack+0x1c/0x5c [ 83.153453][ T5656] should_fail+0x3bc/0x514 [ 83.154153][ T5656] __should_failslab+0xbc/0x10c [ 83.154892][ T5656] should_failslab+0x10/0x28 [ 83.155633][ T5656] slab_pre_alloc_hook+0x64/0xe8 [ 83.156351][ T5656] __kmalloc_track_caller+0x70/0x358 [ 83.157137][ T5656] kstrdup+0xe4/0x15c [ 83.157742][ T5656] kstrdup_const+0x54/0x6c [ 83.158473][ T5656] kvasprintf_const+0x120/0x2e4 [ 83.159194][ T5656] kobject_set_name_vargs+0xd8/0x1c8 [ 83.159975][ T5656] dev_set_name+0xe8/0x13c [ 83.160609][ T5656] device_add_disk+0x258/0xacc [ 83.161381][ T5656] loop_add+0x510/0x6e0 [ 83.162075][ T5656] loop_control_ioctl+0x130/0x4e0 [ 83.162875][ T5656] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.163562][ T5656] invoke_syscall+0x98/0x2b0 [ 83.164294][ T5656] el0_svc_common+0x138/0x258 [ 83.164988][ T5656] do_el0_svc+0x58/0x13c [ 83.165666][ T5656] el0_svc+0x78/0x1d0 [ 83.166368][ T5656] el0t_64_sync_handler+0xcc/0xe4 [ 83.167235][ T5656] el0t_64_sync+0x1a0/0x1a4 [ 83.178135][ T5658] FAULT_INJECTION: forcing a failure. [ 83.178135][ T5658] name failslab, interval 1, probability 0, space 0, times 0 [ 83.180168][ T5658] CPU: 0 PID: 5658 Comm: syz.0.286 Tainted: G W syzkaller #0 [ 83.181666][ T5658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 83.183262][ T5658] Call trace: [ 83.183843][ T5658] dump_backtrace+0x0/0x458 [ 83.184577][ T5658] show_stack+0x2c/0x3c [ 83.185316][ T5658] __dump_stack+0x30/0x40 [ 83.186044][ T5658] dump_stack_lvl+0xf4/0x15c [ 83.186832][ T5658] dump_stack+0x1c/0x5c [ 83.187495][ T5658] should_fail+0x3bc/0x514 [ 83.188269][ T5658] __should_failslab+0xbc/0x10c [ 83.189115][ T5658] should_failslab+0x10/0x28 [ 83.189877][ T5658] slab_pre_alloc_hook+0x64/0xe8 [ 83.190677][ T5658] kmem_cache_alloc+0x94/0x3d4 [ 83.191483][ T5658] __debug_object_init+0x6c4/0xa0c [ 83.192318][ T5658] debug_object_init+0x20/0x2c [ 83.193191][ T5658] __percpu_counter_init+0x10c/0x26c [ 83.194158][ T5658] wb_init+0x588/0x6e4 [ 83.194839][ T5658] bdi_init+0x1b4/0x2f4 [ 83.195530][ T5658] bdi_alloc+0x6c/0x144 [ 83.196209][ T5658] __alloc_disk_node+0x8c/0x450 [ 83.196998][ T5658] __blk_mq_alloc_disk+0xe8/0x154 [ 83.197829][ T5658] loop_add+0x240/0x6e0 [ 83.198599][ T5658] loop_control_ioctl+0x130/0x4e0 [ 83.199483][ T5658] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.200346][ T5658] invoke_syscall+0x98/0x2b0 [ 83.201107][ T5658] el0_svc_common+0x138/0x258 [ 83.201938][ T5658] do_el0_svc+0x58/0x13c [ 83.202601][ T5658] el0_svc+0x78/0x1d0 [ 83.203221][ T5658] el0t_64_sync_handler+0xcc/0xe4 [ 83.204082][ T5658] el0t_64_sync+0x1a0/0x1a4 [ 83.215757][ T5660] FAULT_INJECTION: forcing a failure. [ 83.215757][ T5660] name failslab, interval 1, probability 0, space 0, times 0 [ 83.217840][ T5660] CPU: 0 PID: 5660 Comm: syz.0.287 Tainted: G W syzkaller #0 [ 83.219215][ T5660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 83.220872][ T5660] Call trace: [ 83.221398][ T5660] dump_backtrace+0x0/0x458 [ 83.222161][ T5660] show_stack+0x2c/0x3c [ 83.222904][ T5660] __dump_stack+0x30/0x40 [ 83.223659][ T5660] dump_stack_lvl+0xf4/0x15c [ 83.224446][ T5660] dump_stack+0x1c/0x5c [ 83.225237][ T5660] should_fail+0x3bc/0x514 [ 83.226126][ T5660] __should_failslab+0xbc/0x10c [ 83.226964][ T5660] should_failslab+0x10/0x28 [ 83.227763][ T5660] slab_pre_alloc_hook+0x64/0xe8 [ 83.228573][ T5660] kmem_cache_alloc+0x94/0x3d4 [ 83.229377][ T5660] __debug_object_init+0x7c8/0xa0c [ 83.230186][ T5660] debug_object_init+0x20/0x2c [ 83.230922][ T5660] __percpu_counter_init+0x10c/0x26c [ 83.231797][ T5660] blkg_rwstat_init+0x1c4/0x2b8 [ 83.232536][ T5660] throtl_pd_alloc+0xf0/0x4ec [ 83.233277][ T5660] blkcg_activate_policy+0x204/0xa8c [ 83.234113][ T5660] blk_throtl_init+0x308/0x3ec [ 83.234820][ T5660] blkcg_init_queue+0x3cc/0x484 [ 83.235584][ T5660] blk_alloc_queue+0x3cc/0x4a0 [ 83.236296][ T5660] __blk_mq_alloc_disk+0x5c/0x154 [ 83.237013][ T5660] loop_add+0x240/0x6e0 [ 83.237709][ T5660] loop_control_ioctl+0x130/0x4e0 [ 83.238681][ T5660] __arm64_sys_ioctl+0x14c/0x1c8 [ 83.239467][ T5660] invoke_syscall+0x98/0x2b0 [ 83.240248][ T5660] el0_svc_common+0x138/0x258 [ 83.241051][ T5660] do_el0_svc+0x58/0x13c [ 83.241768][ T5660] el0_svc+0x78/0x1d0 [ 83.242443][ T5660] el0t_64_sync_handler+0xcc/0xe4 [ 83.243282][ T5660] el0t_64_sync+0x1a0/0x1a4 [ 83.254765][ T5662] FAULT_INJECTION: forcing a failure. [ 83.254765][ T5662] name failslab, interval 1, probability 0, space 0, times 0 [ 83.256710][ T5662] CPU: 0 PID: 5662 Comm: syz.0.288 Tainted: G W syzkaller #0 [ 83.258052][ T5662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 83.259652][ T5662] Call trace: [ 83.260256][ T5662] dump_backtrace+0x0/0x458 [ 83.261027][ T5662] show_stack+0x2c/0x3c [ 83.261762][ T5662] __dump_stack+0x30/0x40 [ 83.262485][ T5662] dump_stack_lvl+0xf4/0x15c [ 83.263238][ T5662] dump_stack+0x1c/0x5c [ 83.263962][ T5662] should_fail+0x3bc/0x514 [ 83.264811][ T5662] __should_failslab+0xbc/0x10c [ 83.265648][ T5662] should_failslab+0x10/0x28 [ 83.266524][ T5662] slab_pre_alloc_hook+0x64/0xe8 [ 83.267390][ T5662] kmem_cache_alloc_trace+0x98/0x3ec [ 83.268225][ T5662] rand_initialize_disk+0x58/0xb8 [ 83.269065][ T5662] __alloc_disk_node+0x2a8/0x450 [ 83.269981][ T5662] __blk_mq_alloc_disk+0xe8/0x154 [ 83.270803][ T5662] loop_add+0x240/0x6e0