Warning: Permanently added '10.128.1.113' (ED25519) to the list of known hosts. 1970/01/01 00:00:47 ignoring optional flag "type"="gce" 1970/01/01 00:00:48 parsed 1 programs 1970/01/01 00:00:48 executed programs: 0 [ 48.145838][ T4248] chnl_net:caif_netlink_parms(): no params data found [ 48.163460][ T4248] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.164728][ T4248] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.166273][ T4248] device bridge_slave_0 entered promiscuous mode [ 48.168325][ T4248] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.169927][ T4248] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.171441][ T4248] device bridge_slave_1 entered promiscuous mode [ 48.178787][ T4248] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 48.182101][ T4248] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 48.190284][ T4248] team0: Port device team_slave_0 added [ 48.191942][ T4248] team0: Port device team_slave_1 added [ 48.198311][ T4248] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 48.199608][ T4248] 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. [ 48.203543][ T4248] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 48.205891][ T4248] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 48.206931][ T4248] 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. [ 48.211193][ T4248] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 48.290199][ T4248] device hsr_slave_0 entered promiscuous mode [ 48.339281][ T4248] device hsr_slave_1 entered promiscuous mode [ 48.836696][ T4248] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 48.860759][ T4248] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 48.890375][ T4248] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 48.920576][ T4248] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 48.965829][ T4248] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.966982][ T4248] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.968203][ T4248] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.969426][ T4248] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.986495][ T4248] 8021q: adding VLAN 0 to HW filter on device bond0 [ 48.990427][ T536] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.992728][ T536] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.994318][ T536] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.996169][ T536] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 49.000266][ T4248] 8021q: adding VLAN 0 to HW filter on device team0 [ 49.010569][ T536] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.012161][ T536] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.013385][ T536] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.014732][ T536] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.016159][ T536] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.017340][ T536] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.020399][ T536] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 49.026715][ T4248] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 49.028475][ T4248] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 49.034364][ T536] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 49.036457][ T536] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 49.038131][ T536] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 49.041346][ T536] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.042918][ T536] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 49.083524][ T4248] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.090241][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 49.091572][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 49.092928][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 49.100622][ T1640] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 49.102265][ T1640] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 49.103634][ T1640] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 49.105986][ T4248] device veth0_vlan entered promiscuous mode [ 49.109556][ T4248] device veth1_vlan entered promiscuous mode [ 49.116081][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 49.117542][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 49.119071][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 49.121982][ T4248] device veth0_macvtap entered promiscuous mode [ 49.124719][ T4248] device veth1_macvtap entered promiscuous mode [ 49.130685][ T4248] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 49.132568][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 49.134652][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 49.138186][ T4248] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 49.141399][ T4248] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.142839][ T4248] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.144237][ T4248] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.145540][ T4248] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.147768][ T1640] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 49.149439][ T1640] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 49.184671][ T4353] FAULT_INJECTION: forcing a failure. [ 49.184671][ T4353] name failslab, interval 1, probability 0, space 0, times 1 [ 49.186841][ T4353] CPU: 1 PID: 4353 Comm: syz-executor.0 Not tainted syzkaller #0 [ 49.188078][ T4353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 49.189720][ T4353] Call trace: [ 49.190265][ T4353] dump_backtrace+0x0/0x458 [ 49.190980][ T4353] show_stack+0x2c/0x3c [ 49.191676][ T4353] __dump_stack+0x30/0x40 [ 49.192436][ T4353] dump_stack_lvl+0xf4/0x15c [ 49.193232][ T4353] dump_stack+0x1c/0x5c [ 49.193915][ T4353] should_fail+0x3bc/0x514 [ 49.194616][ T4353] __should_failslab+0xbc/0x10c [ 49.195433][ T4353] should_failslab+0x10/0x28 [ 49.196162][ T4353] slab_pre_alloc_hook+0x64/0xe8 [ 49.196959][ T4353] kmem_cache_alloc+0x94/0x3d4 [ 49.197679][ T4353] security_inode_alloc+0x38/0x11c [ 49.198441][ T4353] inode_init_always+0x670/0xa84 [ 49.199249][ T4353] new_inode_pseudo+0x7c/0x1fc [ 49.200070][ T4353] new_inode+0x38/0x174 [ 49.200733][ T4353] bdev_alloc+0x30/0x1f8 [ 49.201401][ T4353] __alloc_disk_node+0xbc/0x450 [ 49.202153][ T4353] __blk_mq_alloc_disk+0xe8/0x154 [ 49.202943][ T4353] loop_add+0x240/0x6e0 [ 49.203646][ T4353] loop_control_ioctl+0x130/0x4e0 [ 49.204439][ T4353] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.205249][ T4353] invoke_syscall+0x98/0x2b0 [ 49.205941][ T4353] el0_svc_common+0x138/0x258 [ 49.206722][ T4353] do_el0_svc+0x58/0x13c [ 49.207424][ T4353] el0_svc+0x78/0x1d0 [ 49.208052][ T4353] el0t_64_sync_handler+0xcc/0xe4 [ 49.208876][ T4353] el0t_64_sync+0x1a0/0x1a4 [ 49.229926][ T4360] FAULT_INJECTION: forcing a failure. [ 49.229926][ T4360] name failslab, interval 1, probability 0, space 0, times 0 [ 49.232032][ T4360] CPU: 0 PID: 4360 Comm: syz-executor.0 Not tainted syzkaller #0 [ 49.233309][ T4360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 49.234815][ T4360] Call trace: [ 49.235346][ T4360] dump_backtrace+0x0/0x458 [ 49.236074][ T4360] show_stack+0x2c/0x3c [ 49.236763][ T4360] __dump_stack+0x30/0x40 [ 49.237436][ T4360] dump_stack_lvl+0xf4/0x15c [ 49.238174][ T4360] dump_stack+0x1c/0x5c [ 49.238847][ T4360] should_fail+0x3bc/0x514 [ 49.239555][ T4360] __should_failslab+0xbc/0x10c [ 49.240346][ T4360] should_failslab+0x10/0x28 [ 49.241117][ T4360] slab_pre_alloc_hook+0x64/0xe8 [ 49.241942][ T4360] kmem_cache_alloc_trace+0x98/0x3ec [ 49.242779][ T4360] rand_initialize_disk+0x58/0xb8 [ 49.243670][ T4360] __alloc_disk_node+0x2a8/0x450 [ 49.244510][ T4360] __blk_mq_alloc_disk+0xe8/0x154 [ 49.245374][ T4360] loop_add+0x240/0x6e0 [ 49.246080][ T4360] loop_control_ioctl+0x130/0x4e0 [ 49.246906][ T4360] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.247658][ T4360] invoke_syscall+0x98/0x2b0 [ 49.248402][ T4360] el0_svc_common+0x138/0x258 [ 49.249201][ T4360] do_el0_svc+0x58/0x13c [ 49.249966][ T4360] el0_svc+0x78/0x1d0 [ 49.250653][ T4360] el0t_64_sync_handler+0xcc/0xe4 [ 49.251528][ T4360] el0t_64_sync+0x1a0/0x1a4 [ 49.269452][ T4367] FAULT_INJECTION: forcing a failure. [ 49.269452][ T4367] name failslab, interval 1, probability 0, space 0, times 0 [ 49.271549][ T4367] CPU: 1 PID: 4367 Comm: syz-executor.0 Not tainted syzkaller #0 [ 49.272797][ T4367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 49.274420][ T4367] Call trace: [ 49.274963][ T4367] dump_backtrace+0x0/0x458 [ 49.275713][ T4367] show_stack+0x2c/0x3c [ 49.276390][ T4367] __dump_stack+0x30/0x40 [ 49.277094][ T4367] dump_stack_lvl+0xf4/0x15c [ 49.277832][ T4367] dump_stack+0x1c/0x5c [ 49.278505][ T4367] should_fail+0x3bc/0x514 [ 49.279247][ T4367] __should_failslab+0xbc/0x10c [ 49.280045][ T4367] should_failslab+0x10/0x28 [ 49.280732][ T4367] slab_pre_alloc_hook+0x64/0xe8 [ 49.281515][ T4367] kmem_cache_alloc+0x94/0x3d4 [ 49.282303][ T4367] bdev_alloc_inode+0x24/0x60 [ 49.283074][ T4367] new_inode_pseudo+0x68/0x1fc [ 49.283812][ T4367] new_inode+0x38/0x174 [ 49.284475][ T4367] bdev_alloc+0x30/0x1f8 [ 49.285160][ T4367] __alloc_disk_node+0xbc/0x450 [ 49.285932][ T4367] __blk_mq_alloc_disk+0xe8/0x154 [ 49.286770][ T4367] loop_add+0x240/0x6e0 [ 49.287460][ T4367] loop_control_ioctl+0x130/0x4e0 [ 49.288331][ T4367] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.289094][ T4367] invoke_syscall+0x98/0x2b0 [ 49.289803][ T4367] el0_svc_common+0x138/0x258 [ 49.290540][ T4367] do_el0_svc+0x58/0x13c [ 49.291187][ T4367] el0_svc+0x78/0x1d0 [ 49.291832][ T4367] el0t_64_sync_handler+0xcc/0xe4 [ 49.292554][ T4367] el0t_64_sync+0x1a0/0x1a4 [ 49.308952][ T4372] FAULT_INJECTION: forcing a failure. [ 49.308952][ T4372] name failslab, interval 1, probability 0, space 0, times 0 [ 49.311382][ T4372] CPU: 1 PID: 4372 Comm: syz-executor.0 Not tainted syzkaller #0 [ 49.312618][ T4372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 49.314232][ T4372] Call trace: [ 49.314757][ T4372] dump_backtrace+0x0/0x458 [ 49.315517][ T4372] show_stack+0x2c/0x3c [ 49.316176][ T4372] __dump_stack+0x30/0x40 [ 49.316882][ T4372] dump_stack_lvl+0xf4/0x15c [ 49.317610][ T4372] dump_stack+0x1c/0x5c [ 49.318277][ T4372] should_fail+0x3bc/0x514 [ 49.319003][ T4372] __should_failslab+0xbc/0x10c [ 49.319766][ T4372] should_failslab+0x10/0x28 [ 49.320523][ T4372] slab_pre_alloc_hook+0x64/0xe8 [ 49.321352][ T4372] kmem_cache_alloc_trace+0x98/0x3ec [ 49.322222][ T4372] device_add+0xbc/0xf90 [ 49.322904][ T4372] device_add_disk+0x2d0/0xacc [ 49.323634][ T4372] loop_add+0x510/0x6e0 [ 49.324326][ T4372] loop_control_ioctl+0x130/0x4e0 [ 49.325163][ T4372] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.326017][ T4372] invoke_syscall+0x98/0x2b0 [ 49.326802][ T4372] el0_svc_common+0x138/0x258 [ 49.327576][ T4372] do_el0_svc+0x58/0x13c [ 49.328330][ T4372] el0_svc+0x78/0x1d0 [ 49.328943][ T4372] el0t_64_sync_handler+0xcc/0xe4 [ 49.329688][ T4372] el0t_64_sync+0x1a0/0x1a4 [ 49.332080][ T4372] ------------[ cut here ]------------ [ 49.332932][ T4372] WARNING: CPU: 1 PID: 4372 at block/genhd.c:547 device_add_disk+0x5d4/0xacc [ 49.334303][ T4372] Modules linked in: [ 49.334950][ T4372] CPU: 1 PID: 4372 Comm: syz-executor.0 Not tainted syzkaller #0 [ 49.336147][ T4372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 49.337767][ T4372] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.338955][ T4372] pc : device_add_disk+0x5d4/0xacc [ 49.339732][ T4372] lr : device_add_disk+0x5d0/0xacc [ 49.340586][ T4372] sp : ffff80001f637b60 [ 49.341288][ T4372] x29: ffff80001f637bc0 x28: dfff800000000000 x27: ffff0000c5202f00 [ 49.342595][ T4372] x26: ffff0000c52033fc x25: 00000000fffffff4 x24: ffff0000cf8b68a0 [ 49.343844][ T4372] x23: 1fffe00019f16d14 x22: 0000000000000001 x21: ffff0000cf8b6890 [ 49.345081][ T4372] x20: 0000000000000007 x19: ffff0000cf8b6804 x18: 0000000000000001 [ 49.346235][ T4372] x17: 0000000000000000 x16: ffff800011255484 x15: 00000000ffffffff [ 49.347554][ T4372] x14: 0000000000000001 x13: 1fffe00018a405ef x12: 0000000000ff0100 [ 49.348875][ T4372] x11: 0000000000000000 x10: 0000000000000000 x9 : ffff80000a6386d0 [ 49.350089][ T4372] x8 : ffff0000d9138000 x7 : 0000000000000000 x6 : 0000000000000001 [ 49.351442][ T4372] x5 : ffff80001f6370f8 x4 : 0000000000000400 x3 : ffff80000a93b8c0 [ 49.352700][ T4372] x2 : 0000000000000001 x1 : 0000000000000007 x0 : 0000000000000103 [ 49.354032][ T4372] Call trace: [ 49.354561][ T4372] device_add_disk+0x5d4/0xacc [ 49.355273][ T4372] loop_add+0x510/0x6e0 [ 49.355918][ T4372] loop_control_ioctl+0x130/0x4e0 [ 49.356689][ T4372] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.357530][ T4372] invoke_syscall+0x98/0x2b0 [ 49.358327][ T4372] el0_svc_common+0x138/0x258 [ 49.359087][ T4372] do_el0_svc+0x58/0x13c [ 49.359793][ T4372] el0_svc+0x78/0x1d0 [ 49.360451][ T4372] el0t_64_sync_handler+0xcc/0xe4 [ 49.361151][ T4372] el0t_64_sync+0x1a0/0x1a4 [ 49.361849][ T4372] irq event stamp: 514 [ 49.362491][ T4372] hardirqs last enabled at (513): [] exit_to_kernel_mode+0xe0/0x168 [ 49.364023][ T4372] hardirqs last disabled at (514): [] el1_dbg+0x24/0x80 [ 49.365392][ T4372] softirqs last enabled at (508): [] handle_softirqs+0xa40/0xbe4 [ 49.366912][ T4372] softirqs last disabled at (381): [] __irq_exit_rcu+0x240/0x43c [ 49.368454][ T4372] ---[ end trace 8dd51a6c329258f7 ]--- [ 49.389555][ T4384] FAULT_INJECTION: forcing a failure. [ 49.389555][ T4384] name failslab, interval 1, probability 0, space 0, times 0 [ 49.391604][ T4384] CPU: 1 PID: 4384 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.392965][ T4384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 49.394472][ T4384] Call trace: [ 49.395029][ T4384] dump_backtrace+0x0/0x458 [ 49.395754][ T4384] show_stack+0x2c/0x3c [ 49.396401][ T4384] __dump_stack+0x30/0x40 [ 49.397093][ T4384] dump_stack_lvl+0xf4/0x15c [ 49.397847][ T4384] dump_stack+0x1c/0x5c [ 49.398460][ T4384] should_fail+0x3bc/0x514 [ 49.399146][ T4384] __should_failslab+0xbc/0x10c [ 49.399943][ T4384] should_failslab+0x10/0x28 [ 49.400673][ T4384] slab_pre_alloc_hook+0x64/0xe8 [ 49.401413][ T4384] __kmalloc_track_caller+0x70/0x358 [ 49.402282][ T4384] kstrdup+0xe4/0x15c [ 49.402914][ T4384] kstrdup_const+0x54/0x6c [ 49.403620][ T4384] kvasprintf_const+0x120/0x2e4 [ 49.404417][ T4384] kobject_set_name_vargs+0xd8/0x1c8 [ 49.405240][ T4384] dev_set_name+0xe8/0x13c [ 49.405964][ T4384] device_add_disk+0x258/0xacc [ 49.406789][ T4384] loop_add+0x510/0x6e0 [ 49.407401][ T4384] loop_control_ioctl+0x130/0x4e0 [ 49.408160][ T4384] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.408970][ T4384] invoke_syscall+0x98/0x2b0 [ 49.409725][ T4384] el0_svc_common+0x138/0x258 [ 49.410537][ T4384] do_el0_svc+0x58/0x13c [ 49.411256][ T4384] el0_svc+0x78/0x1d0 [ 49.411895][ T4384] el0t_64_sync_handler+0xcc/0xe4 [ 49.412710][ T4384] el0t_64_sync+0x1a0/0x1a4 [ 49.432221][ T4390] FAULT_INJECTION: forcing a failure. [ 49.432221][ T4390] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 49.434607][ T4390] CPU: 0 PID: 4390 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.435995][ T4390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 49.437600][ T4390] Call trace: [ 49.438203][ T4390] dump_backtrace+0x0/0x458 [ 49.439008][ T4390] show_stack+0x2c/0x3c [ 49.439742][ T4390] __dump_stack+0x30/0x40 [ 49.440511][ T4390] dump_stack_lvl+0xf4/0x15c [ 49.441321][ T4390] dump_stack+0x1c/0x5c [ 49.442033][ T4390] should_fail+0x3bc/0x514 [ 49.442780][ T4390] should_fail_alloc_page+0x74/0xa8 [ 49.443699][ T4390] prepare_alloc_pages+0x160/0x45c [ 49.444576][ T4390] __alloc_pages+0x108/0x470 [ 49.445342][ T4390] alloc_pages+0x34c/0x5c0 [ 49.446060][ T4390] new_slab+0xe0/0x544 [ 49.446712][ T4390] ___slab_alloc+0x6b4/0xd8c [ 49.447553][ T4390] __slab_alloc+0x68/0xc0 [ 49.448241][ T4390] kmem_cache_alloc_trace+0x2b8/0x3ec [ 49.449135][ T4390] rand_initialize_disk+0x58/0xb8 [ 49.449935][ T4390] __alloc_disk_node+0x2a8/0x450 [ 49.450742][ T4390] __blk_mq_alloc_disk+0xe8/0x154 [ 49.451553][ T4390] loop_add+0x240/0x6e0 [ 49.452217][ T4390] loop_control_ioctl+0x130/0x4e0 [ 49.452979][ T4390] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.453775][ T4390] invoke_syscall+0x98/0x2b0 [ 49.454514][ T4390] el0_svc_common+0x138/0x258 [ 49.455273][ T4390] do_el0_svc+0x58/0x13c [ 49.455912][ T4390] el0_svc+0x78/0x1d0 [ 49.456554][ T4390] el0t_64_sync_handler+0xcc/0xe4 [ 49.457446][ T4390] el0t_64_sync+0x1a0/0x1a4 [ 49.496141][ T4401] FAULT_INJECTION: forcing a failure. [ 49.496141][ T4401] name failslab, interval 1, probability 0, space 0, times 0 [ 49.498135][ T4401] CPU: 1 PID: 4401 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.499528][ T4401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 49.501144][ T4401] Call trace: [ 49.501683][ T4401] dump_backtrace+0x0/0x458 [ 49.502427][ T4401] show_stack+0x2c/0x3c [ 49.503109][ T4401] __dump_stack+0x30/0x40 [ 49.503833][ T4401] dump_stack_lvl+0xf4/0x15c [ 49.504572][ T4401] dump_stack+0x1c/0x5c [ 49.505209][ T4401] should_fail+0x3bc/0x514 [ 49.505880][ T4401] __should_failslab+0xbc/0x10c [ 49.506620][ T4401] should_failslab+0x10/0x28 [ 49.507398][ T4401] slab_pre_alloc_hook+0x64/0xe8 [ 49.508182][ T4401] __kmalloc_track_caller+0x70/0x358 [ 49.508954][ T4401] kstrdup+0xe4/0x15c [ 49.509546][ T4401] kstrdup_const+0x54/0x6c [ 49.510239][ T4401] kvasprintf_const+0x120/0x2e4 [ 49.511022][ T4401] kobject_set_name_vargs+0xd8/0x1c8 [ 49.511861][ T4401] dev_set_name+0xe8/0x13c [ 49.512567][ T4401] device_add_disk+0x258/0xacc [ 49.513281][ T4401] loop_add+0x510/0x6e0 [ 49.513884][ T4401] loop_control_ioctl+0x130/0x4e0 [ 49.514722][ T4401] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.515449][ T4401] invoke_syscall+0x98/0x2b0 [ 49.516102][ T4401] el0_svc_common+0x138/0x258 [ 49.516867][ T4401] do_el0_svc+0x58/0x13c [ 49.517585][ T4401] el0_svc+0x78/0x1d0 [ 49.518209][ T4401] el0t_64_sync_handler+0xcc/0xe4 [ 49.518989][ T4401] el0t_64_sync+0x1a0/0x1a4 [ 49.537961][ T4407] FAULT_INJECTION: forcing a failure. [ 49.537961][ T4407] name failslab, interval 1, probability 0, space 0, times 0 [ 49.540199][ T4407] CPU: 1 PID: 4407 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.541681][ T4407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 49.543246][ T4407] Call trace: [ 49.543745][ T4407] dump_backtrace+0x0/0x458 [ 49.544442][ T4407] show_stack+0x2c/0x3c [ 49.545134][ T4407] __dump_stack+0x30/0x40 [ 49.545802][ T4407] dump_stack_lvl+0xf4/0x15c [ 49.546548][ T4407] dump_stack+0x1c/0x5c [ 49.547236][ T4407] should_fail+0x3bc/0x514 [ 49.547945][ T4407] __should_failslab+0xbc/0x10c [ 49.548744][ T4407] should_failslab+0x10/0x28 [ 49.549439][ T4407] slab_pre_alloc_hook+0x64/0xe8 [ 49.550210][ T4407] kmem_cache_alloc_trace+0x98/0x3ec [ 49.551016][ T4407] device_add+0xbc/0xf90 [ 49.551673][ T4407] device_add_disk+0x2d0/0xacc [ 49.552467][ T4407] loop_add+0x510/0x6e0 [ 49.553136][ T4407] loop_control_ioctl+0x130/0x4e0 [ 49.553969][ T4407] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.554825][ T4407] invoke_syscall+0x98/0x2b0 [ 49.555603][ T4407] el0_svc_common+0x138/0x258 [ 49.556343][ T4407] do_el0_svc+0x58/0x13c [ 49.557104][ T4407] el0_svc+0x78/0x1d0 [ 49.557790][ T4407] el0t_64_sync_handler+0xcc/0xe4 [ 49.558670][ T4407] el0t_64_sync+0x1a0/0x1a4 [ 49.576845][ T4413] FAULT_INJECTION: forcing a failure. [ 49.576845][ T4413] name failslab, interval 1, probability 0, space 0, times 0 [ 49.579004][ T4413] CPU: 0 PID: 4413 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.580509][ T4413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 49.582251][ T4413] Call trace: [ 49.582763][ T4413] dump_backtrace+0x0/0x458 [ 49.583465][ T4413] show_stack+0x2c/0x3c [ 49.584150][ T4413] __dump_stack+0x30/0x40 [ 49.584878][ T4413] dump_stack_lvl+0xf4/0x15c [ 49.585621][ T4413] dump_stack+0x1c/0x5c [ 49.586312][ T4413] should_fail+0x3bc/0x514 [ 49.587056][ T4413] __should_failslab+0xbc/0x10c [ 49.587841][ T4413] should_failslab+0x10/0x28 [ 49.588569][ T4413] slab_pre_alloc_hook+0x64/0xe8 [ 49.589344][ T4413] kmem_cache_alloc_trace+0x98/0x3ec [ 49.590232][ T4413] rand_initialize_disk+0x58/0xb8 [ 49.591055][ T4413] __alloc_disk_node+0x2a8/0x450 [ 49.591855][ T4413] __blk_mq_alloc_disk+0xe8/0x154 [ 49.592659][ T4413] loop_add+0x240/0x6e0 [ 49.593361][ T4413] loop_control_ioctl+0x130/0x4e0 [ 49.594177][ T4413] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.594999][ T4413] invoke_syscall+0x98/0x2b0 [ 49.595815][ T4413] el0_svc_common+0x138/0x258 [ 49.596677][ T4413] do_el0_svc+0x58/0x13c [ 49.597393][ T4413] el0_svc+0x78/0x1d0 [ 49.598047][ T4413] el0t_64_sync_handler+0xcc/0xe4 [ 49.598907][ T4413] el0t_64_sync+0x1a0/0x1a4 [ 49.617129][ T4420] FAULT_INJECTION: forcing a failure. [ 49.617129][ T4420] name failslab, interval 1, probability 0, space 0, times 0 [ 49.619549][ T4420] CPU: 0 PID: 4420 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.620923][ T4420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 49.622604][ T4420] Call trace: [ 49.623167][ T4420] dump_backtrace+0x0/0x458 [ 49.624124][ T4420] show_stack+0x2c/0x3c [ 49.624819][ T4420] __dump_stack+0x30/0x40 [ 49.625526][ T4420] dump_stack_lvl+0xf4/0x15c [ 49.626250][ T4420] dump_stack+0x1c/0x5c [ 49.626901][ T4420] should_fail+0x3bc/0x514 [ 49.627607][ T4420] __should_failslab+0xbc/0x10c [ 49.628376][ T4420] should_failslab+0x10/0x28 [ 49.629200][ T4420] slab_pre_alloc_hook+0x64/0xe8 [ 49.629934][ T4420] __kmalloc_track_caller+0x70/0x358 [ 49.630754][ T4420] kstrdup+0xe4/0x15c [ 49.631330][ T4420] kstrdup_const+0x54/0x6c [ 49.632107][ T4420] kvasprintf_const+0x120/0x2e4 [ 49.632937][ T4420] kobject_set_name_vargs+0xd8/0x1c8 [ 49.633846][ T4420] dev_set_name+0xe8/0x13c [ 49.634572][ T4420] device_add_disk+0x258/0xacc [ 49.635327][ T4420] loop_add+0x510/0x6e0 [ 49.635994][ T4420] loop_control_ioctl+0x130/0x4e0 [ 49.636807][ T4420] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.637580][ T4420] invoke_syscall+0x98/0x2b0 [ 49.638339][ T4420] el0_svc_common+0x138/0x258 [ 49.639219][ T4420] do_el0_svc+0x58/0x13c [ 49.639944][ T4420] el0_svc+0x78/0x1d0 [ 49.640664][ T4420] el0t_64_sync_handler+0xcc/0xe4 [ 49.641514][ T4420] el0t_64_sync+0x1a0/0x1a4 [ 49.653802][ T4425] FAULT_INJECTION: forcing a failure. [ 49.653802][ T4425] name failslab, interval 1, probability 0, space 0, times 0 [ 49.655848][ T4425] CPU: 0 PID: 4425 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.657243][ T4425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 49.658892][ T4425] Call trace: [ 49.659416][ T4425] dump_backtrace+0x0/0x458 [ 49.660205][ T4425] show_stack+0x2c/0x3c [ 49.660938][ T4425] __dump_stack+0x30/0x40 [ 49.661681][ T4425] dump_stack_lvl+0xf4/0x15c [ 49.662467][ T4425] dump_stack+0x1c/0x5c [ 49.663194][ T4425] should_fail+0x3bc/0x514 [ 49.663929][ T4425] __should_failslab+0xbc/0x10c [ 49.664733][ T4425] should_failslab+0x10/0x28 [ 49.665500][ T4425] slab_pre_alloc_hook+0x64/0xe8 [ 49.666366][ T4425] kmem_cache_alloc_trace+0x98/0x3ec [ 49.667252][ T4425] device_add+0xbc/0xf90 [ 49.667996][ T4425] device_add_disk+0x2d0/0xacc [ 49.668779][ T4425] loop_add+0x510/0x6e0 [ 49.669491][ T4425] loop_control_ioctl+0x130/0x4e0 [ 49.670316][ T4425] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.671092][ T4425] invoke_syscall+0x98/0x2b0 [ 49.671803][ T4425] el0_svc_common+0x138/0x258 [ 49.672587][ T4425] do_el0_svc+0x58/0x13c [ 49.673317][ T4425] el0_svc+0x78/0x1d0 [ 49.674001][ T4425] el0t_64_sync_handler+0xcc/0xe4 [ 49.674802][ T4425] el0t_64_sync+0x1a0/0x1a4 [ 49.686824][ T4429] FAULT_INJECTION: forcing a failure. [ 49.686824][ T4429] name failslab, interval 1, probability 0, space 0, times 0 [ 49.689073][ T4429] CPU: 0 PID: 4429 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.690517][ T4429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 49.692244][ T4429] Call trace: [ 49.692787][ T4429] dump_backtrace+0x0/0x458 [ 49.693531][ T4429] show_stack+0x2c/0x3c [ 49.694163][ T4429] __dump_stack+0x30/0x40 [ 49.694900][ T4429] dump_stack_lvl+0xf4/0x15c [ 49.695683][ T4429] dump_stack+0x1c/0x5c [ 49.696382][ T4429] should_fail+0x3bc/0x514 [ 49.697135][ T4429] __should_failslab+0xbc/0x10c [ 49.697949][ T4429] should_failslab+0x10/0x28 [ 49.698717][ T4429] slab_pre_alloc_hook+0x64/0xe8 [ 49.699535][ T4429] __kmalloc_track_caller+0x70/0x358 [ 49.700394][ T4429] kstrdup+0xe4/0x15c [ 49.701096][ T4429] kstrdup_const+0x54/0x6c [ 49.701825][ T4429] kvasprintf_const+0x120/0x2e4 [ 49.702622][ T4429] kobject_set_name_vargs+0xd8/0x1c8 [ 49.703527][ T4429] dev_set_name+0xe8/0x13c [ 49.704286][ T4429] device_add_disk+0x258/0xacc [ 49.705046][ T4429] loop_add+0x510/0x6e0 [ 49.705775][ T4429] loop_control_ioctl+0x130/0x4e0 [ 49.706641][ T4429] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.707417][ T4429] invoke_syscall+0x98/0x2b0 [ 49.708227][ T4429] el0_svc_common+0x138/0x258 [ 49.708997][ T4429] do_el0_svc+0x58/0x13c [ 49.709731][ T4429] el0_svc+0x78/0x1d0 [ 49.710402][ T4429] el0t_64_sync_handler+0xcc/0xe4 [ 49.711238][ T4429] el0t_64_sync+0x1a0/0x1a4 [ 49.723437][ T4436] FAULT_INJECTION: forcing a failure. [ 49.723437][ T4436] name failslab, interval 1, probability 0, space 0, times 0 [ 49.725696][ T4436] CPU: 0 PID: 4436 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.727110][ T4436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 49.728755][ T4436] Call trace: [ 49.729321][ T4436] dump_backtrace+0x0/0x458 [ 49.730047][ T4436] show_stack+0x2c/0x3c [ 49.730762][ T4436] __dump_stack+0x30/0x40 [ 49.731494][ T4436] dump_stack_lvl+0xf4/0x15c [ 49.732221][ T4436] dump_stack+0x1c/0x5c [ 49.732870][ T4436] should_fail+0x3bc/0x514 [ 49.733566][ T4436] __should_failslab+0xbc/0x10c [ 49.734352][ T4436] should_failslab+0x10/0x28 [ 49.735088][ T4436] slab_pre_alloc_hook+0x64/0xe8 [ 49.735891][ T4436] __kmalloc_track_caller+0x70/0x358 [ 49.736733][ T4436] kstrdup+0xe4/0x15c [ 49.737443][ T4436] kstrdup_const+0x54/0x6c [ 49.738137][ T4436] kvasprintf_const+0x120/0x2e4 [ 49.738966][ T4436] kobject_set_name_vargs+0xd8/0x1c8 [ 49.739858][ T4436] dev_set_name+0xe8/0x13c [ 49.740647][ T4436] device_add_disk+0x258/0xacc [ 49.741478][ T4436] loop_add+0x510/0x6e0 [ 49.742171][ T4436] loop_control_ioctl+0x130/0x4e0 [ 49.742990][ T4436] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.743826][ T4436] invoke_syscall+0x98/0x2b0 [ 49.744607][ T4436] el0_svc_common+0x138/0x258 [ 49.745368][ T4436] do_el0_svc+0x58/0x13c [ 49.746066][ T4436] el0_svc+0x78/0x1d0 [ 49.746748][ T4436] el0t_64_sync_handler+0xcc/0xe4 [ 49.747599][ T4436] el0t_64_sync+0x1a0/0x1a4 [ 49.762971][ T4443] FAULT_INJECTION: forcing a failure. [ 49.762971][ T4443] name failslab, interval 1, probability 0, space 0, times 0 [ 49.765113][ T4443] CPU: 1 PID: 4443 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.766553][ T4443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 49.768141][ T4443] Call trace: [ 49.768622][ T4443] dump_backtrace+0x0/0x458 [ 49.769337][ T4443] show_stack+0x2c/0x3c [ 49.770006][ T4443] __dump_stack+0x30/0x40 [ 49.770626][ T4443] dump_stack_lvl+0xf4/0x15c [ 49.771318][ T4443] dump_stack+0x1c/0x5c [ 49.772043][ T4443] should_fail+0x3bc/0x514 [ 49.772750][ T4443] __should_failslab+0xbc/0x10c [ 49.773493][ T4443] should_failslab+0x10/0x28 [ 49.774208][ T4443] slab_pre_alloc_hook+0x64/0xe8 [ 49.774992][ T4443] kmem_cache_alloc_trace+0x98/0x3ec [ 49.775863][ T4443] rand_initialize_disk+0x58/0xb8 [ 49.776703][ T4443] __alloc_disk_node+0x2a8/0x450 [ 49.777536][ T4443] __blk_mq_alloc_disk+0xe8/0x154 [ 49.778366][ T4443] loop_add+0x240/0x6e0 [ 49.779093][ T4443] loop_control_ioctl+0x130/0x4e0 [ 49.779934][ T4443] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.780692][ T4443] invoke_syscall+0x98/0x2b0 [ 49.781475][ T4443] el0_svc_common+0x138/0x258 [ 49.782290][ T4443] do_el0_svc+0x58/0x13c [ 49.783012][ T4443] el0_svc+0x78/0x1d0 [ 49.783699][ T4443] el0t_64_sync_handler+0xcc/0xe4 [ 49.784605][ T4443] el0t_64_sync+0x1a0/0x1a4 [ 49.799944][ T4448] FAULT_INJECTION: forcing a failure. [ 49.799944][ T4448] name failslab, interval 1, probability 0, space 0, times 0 [ 49.802225][ T4448] CPU: 0 PID: 4448 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.803708][ T4448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 49.805370][ T4448] Call trace: [ 49.805887][ T4448] dump_backtrace+0x0/0x458 [ 49.806642][ T4448] show_stack+0x2c/0x3c [ 49.807303][ T4448] __dump_stack+0x30/0x40 [ 49.808001][ T4448] dump_stack_lvl+0xf4/0x15c [ 49.808698][ T4448] dump_stack+0x1c/0x5c [ 49.809347][ T4448] should_fail+0x3bc/0x514 [ 49.810133][ T4448] __should_failslab+0xbc/0x10c [ 49.810934][ T4448] should_failslab+0x10/0x28 [ 49.811704][ T4448] slab_pre_alloc_hook+0x64/0xe8 [ 49.812522][ T4448] __kmalloc_track_caller+0x70/0x358 [ 49.813387][ T4448] kstrdup+0xe4/0x15c [ 49.814078][ T4448] kstrdup_const+0x54/0x6c [ 49.814812][ T4448] kvasprintf_const+0x120/0x2e4 [ 49.815538][ T4448] kobject_set_name_vargs+0xd8/0x1c8 [ 49.816419][ T4448] dev_set_name+0xe8/0x13c [ 49.817193][ T4448] device_add_disk+0x258/0xacc [ 49.817991][ T4448] loop_add+0x510/0x6e0 [ 49.818691][ T4448] loop_control_ioctl+0x130/0x4e0 [ 49.819542][ T4448] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.820343][ T4448] invoke_syscall+0x98/0x2b0 [ 49.821145][ T4448] el0_svc_common+0x138/0x258 [ 49.821957][ T4448] do_el0_svc+0x58/0x13c [ 49.822636][ T4448] el0_svc+0x78/0x1d0 [ 49.823255][ T4448] el0t_64_sync_handler+0xcc/0xe4 [ 49.824120][ T4448] el0t_64_sync+0x1a0/0x1a4 [ 49.841672][ T4455] FAULT_INJECTION: forcing a failure. [ 49.841672][ T4455] name failslab, interval 1, probability 0, space 0, times 0 [ 49.843944][ T4455] CPU: 0 PID: 4455 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.845391][ T4455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 49.847142][ T4455] Call trace: [ 49.847688][ T4455] dump_backtrace+0x0/0x458 [ 49.848487][ T4455] show_stack+0x2c/0x3c [ 49.849219][ T4455] __dump_stack+0x30/0x40 [ 49.849966][ T4455] dump_stack_lvl+0xf4/0x15c [ 49.850746][ T4455] dump_stack+0x1c/0x5c [ 49.851466][ T4455] should_fail+0x3bc/0x514 [ 49.852201][ T4455] __should_failslab+0xbc/0x10c [ 49.853058][ T4455] should_failslab+0x10/0x28 [ 49.853821][ T4455] slab_pre_alloc_hook+0x64/0xe8 [ 49.854663][ T4455] kmem_cache_alloc_trace+0x98/0x3ec [ 49.855547][ T4455] rand_initialize_disk+0x58/0xb8 [ 49.856347][ T4455] __alloc_disk_node+0x2a8/0x450 [ 49.857097][ T4455] __blk_mq_alloc_disk+0xe8/0x154 [ 49.857925][ T4455] loop_add+0x240/0x6e0 [ 49.858587][ T4455] loop_control_ioctl+0x130/0x4e0 [ 49.859383][ T4455] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.860245][ T4455] invoke_syscall+0x98/0x2b0 [ 49.861032][ T4455] el0_svc_common+0x138/0x258 [ 49.861773][ T4455] do_el0_svc+0x58/0x13c [ 49.862515][ T4455] el0_svc+0x78/0x1d0 [ 49.863221][ T4455] el0t_64_sync_handler+0xcc/0xe4 [ 49.864082][ T4455] el0t_64_sync+0x1a0/0x1a4 [ 49.878846][ T4460] FAULT_INJECTION: forcing a failure. [ 49.878846][ T4460] name failslab, interval 1, probability 0, space 0, times 0 [ 49.883279][ T4460] CPU: 0 PID: 4460 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.884633][ T4460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 49.886159][ T4460] Call trace: [ 49.886700][ T4460] dump_backtrace+0x0/0x458 [ 49.887456][ T4460] show_stack+0x2c/0x3c [ 49.888151][ T4460] __dump_stack+0x30/0x40 [ 49.888887][ T4460] dump_stack_lvl+0xf4/0x15c [ 49.889657][ T4460] dump_stack+0x1c/0x5c [ 49.890380][ T4460] should_fail+0x3bc/0x514 [ 49.891128][ T4460] __should_failslab+0xbc/0x10c [ 49.891889][ T4460] should_failslab+0x10/0x28 [ 49.892637][ T4460] slab_pre_alloc_hook+0x64/0xe8 [ 49.893380][ T4460] kmem_cache_alloc_trace+0x98/0x3ec [ 49.894197][ T4460] device_add+0xbc/0xf90 [ 49.894876][ T4460] device_add_disk+0x2d0/0xacc [ 49.895632][ T4460] loop_add+0x510/0x6e0 [ 49.896271][ T4460] loop_control_ioctl+0x130/0x4e0 [ 49.897165][ T4460] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.898003][ T4460] invoke_syscall+0x98/0x2b0 [ 49.898791][ T4460] el0_svc_common+0x138/0x258 [ 49.899621][ T4460] do_el0_svc+0x58/0x13c [ 49.900317][ T4460] el0_svc+0x78/0x1d0 [ 49.901039][ T4460] el0t_64_sync_handler+0xcc/0xe4 [ 49.901844][ T4460] el0t_64_sync+0x1a0/0x1a4 [ 49.913436][ T4466] FAULT_INJECTION: forcing a failure. [ 49.913436][ T4466] name failslab, interval 1, probability 0, space 0, times 0 [ 49.915662][ T4466] CPU: 0 PID: 4466 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.917214][ T4466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 49.918964][ T4466] Call trace: [ 49.919517][ T4466] dump_backtrace+0x0/0x458 [ 49.920301][ T4466] show_stack+0x2c/0x3c [ 49.921018][ T4466] __dump_stack+0x30/0x40 [ 49.921813][ T4466] dump_stack_lvl+0xf4/0x15c [ 49.922590][ T4466] dump_stack+0x1c/0x5c [ 49.923293][ T4466] should_fail+0x3bc/0x514 [ 49.924043][ T4466] __should_failslab+0xbc/0x10c [ 49.924885][ T4466] should_failslab+0x10/0x28 [ 49.925637][ T4466] slab_pre_alloc_hook+0x64/0xe8 [ 49.926471][ T4466] kmem_cache_alloc_trace+0x98/0x3ec [ 49.927329][ T4466] device_add+0xbc/0xf90 [ 49.928021][ T4466] device_add_disk+0x2d0/0xacc [ 49.928768][ T4466] loop_add+0x510/0x6e0 [ 49.929437][ T4466] loop_control_ioctl+0x130/0x4e0 [ 49.930246][ T4466] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.931001][ T4466] invoke_syscall+0x98/0x2b0 [ 49.931715][ T4466] el0_svc_common+0x138/0x258 [ 49.932436][ T4466] do_el0_svc+0x58/0x13c [ 49.933151][ T4466] el0_svc+0x78/0x1d0 [ 49.933770][ T4466] el0t_64_sync_handler+0xcc/0xe4 [ 49.934583][ T4466] el0t_64_sync+0x1a0/0x1a4 [ 49.946641][ T4470] FAULT_INJECTION: forcing a failure. [ 49.946641][ T4470] name failslab, interval 1, probability 0, space 0, times 0 [ 49.948864][ T4470] CPU: 0 PID: 4470 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.950471][ T4470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 49.952451][ T4470] Call trace: [ 49.953004][ T4470] dump_backtrace+0x0/0x458 [ 49.953791][ T4470] show_stack+0x2c/0x3c [ 49.954499][ T4470] __dump_stack+0x30/0x40 [ 49.955226][ T4470] dump_stack_lvl+0xf4/0x15c [ 49.956015][ T4470] dump_stack+0x1c/0x5c [ 49.956718][ T4470] should_fail+0x3bc/0x514 [ 49.957459][ T4470] __should_failslab+0xbc/0x10c [ 49.958275][ T4470] should_failslab+0x10/0x28 [ 49.959024][ T4470] slab_pre_alloc_hook+0x64/0xe8 [ 49.959848][ T4470] kmem_cache_alloc_trace+0x98/0x3ec [ 49.960793][ T4470] device_add+0xbc/0xf90 [ 49.961504][ T4470] device_add_disk+0x2d0/0xacc [ 49.962356][ T4470] loop_add+0x510/0x6e0 [ 49.963061][ T4470] loop_control_ioctl+0x130/0x4e0 [ 49.963893][ T4470] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.964755][ T4470] invoke_syscall+0x98/0x2b0 [ 49.965492][ T4470] el0_svc_common+0x138/0x258 [ 49.966262][ T4470] do_el0_svc+0x58/0x13c [ 49.967003][ T4470] el0_svc+0x78/0x1d0 [ 49.967637][ T4470] el0t_64_sync_handler+0xcc/0xe4 [ 49.968425][ T4470] el0t_64_sync+0x1a0/0x1a4 [ 49.979548][ T4476] FAULT_INJECTION: forcing a failure. [ 49.979548][ T4476] name failslab, interval 1, probability 0, space 0, times 0 [ 49.981644][ T4476] CPU: 0 PID: 4476 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.983047][ T4476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 49.984620][ T4476] Call trace: [ 49.985130][ T4476] dump_backtrace+0x0/0x458 [ 49.985889][ T4476] show_stack+0x2c/0x3c [ 49.986546][ T4476] __dump_stack+0x30/0x40 [ 49.987250][ T4476] dump_stack_lvl+0xf4/0x15c [ 49.987962][ T4476] dump_stack+0x1c/0x5c [ 49.988604][ T4476] should_fail+0x3bc/0x514 [ 49.989301][ T4476] __should_failslab+0xbc/0x10c [ 49.990060][ T4476] should_failslab+0x10/0x28 [ 49.990719][ T4476] slab_pre_alloc_hook+0x64/0xe8 [ 49.991453][ T4476] kmem_cache_alloc_trace+0x98/0x3ec [ 49.992223][ T4476] device_add+0xbc/0xf90 [ 49.992870][ T4476] device_add_disk+0x2d0/0xacc [ 49.993561][ T4476] loop_add+0x510/0x6e0 [ 49.994208][ T4476] loop_control_ioctl+0x130/0x4e0 [ 49.995008][ T4476] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.995796][ T4476] invoke_syscall+0x98/0x2b0 [ 49.996536][ T4476] el0_svc_common+0x138/0x258 [ 49.997251][ T4476] do_el0_svc+0x58/0x13c [ 49.997903][ T4476] el0_svc+0x78/0x1d0 [ 49.998531][ T4476] el0t_64_sync_handler+0xcc/0xe4 [ 49.999321][ T4476] el0t_64_sync+0x1a0/0x1a4 [ 50.014047][ T4482] FAULT_INJECTION: forcing a failure. [ 50.014047][ T4482] name failslab, interval 1, probability 0, space 0, times 0 [ 50.016340][ T4482] CPU: 0 PID: 4482 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.017878][ T4482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 50.019560][ T4482] Call trace: [ 50.020170][ T4482] dump_backtrace+0x0/0x458 [ 50.020909][ T4482] show_stack+0x2c/0x3c [ 50.021639][ T4482] __dump_stack+0x30/0x40 [ 50.022358][ T4482] dump_stack_lvl+0xf4/0x15c [ 50.023112][ T4482] dump_stack+0x1c/0x5c [ 50.023812][ T4482] should_fail+0x3bc/0x514 [ 50.024568][ T4482] __should_failslab+0xbc/0x10c [ 50.025349][ T4482] should_failslab+0x10/0x28 [ 50.026103][ T4482] slab_pre_alloc_hook+0x64/0xe8 [ 50.026962][ T4482] kmem_cache_alloc_trace+0x98/0x3ec [ 50.027867][ T4482] device_add+0xbc/0xf90 [ 50.028606][ T4482] device_add_disk+0x2d0/0xacc [ 50.029421][ T4482] loop_add+0x510/0x6e0 [ 50.030138][ T4482] loop_control_ioctl+0x130/0x4e0 [ 50.030955][ T4482] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.031797][ T4482] invoke_syscall+0x98/0x2b0 [ 50.032595][ T4482] el0_svc_common+0x138/0x258 [ 50.033376][ T4482] do_el0_svc+0x58/0x13c [ 50.034177][ T4482] el0_svc+0x78/0x1d0 [ 50.034819][ T4482] el0t_64_sync_handler+0xcc/0xe4 [ 50.035625][ T4482] el0t_64_sync+0x1a0/0x1a4 [ 50.047332][ T4487] FAULT_INJECTION: forcing a failure. [ 50.047332][ T4487] name failslab, interval 1, probability 0, space 0, times 0 [ 50.049901][ T4487] CPU: 0 PID: 4487 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.051417][ T4487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 50.053176][ T4487] Call trace: [ 50.053695][ T4487] dump_backtrace+0x0/0x458 [ 50.054459][ T4487] show_stack+0x2c/0x3c [ 50.055169][ T4487] __dump_stack+0x30/0x40 [ 50.055922][ T4487] dump_stack_lvl+0xf4/0x15c [ 50.056699][ T4487] dump_stack+0x1c/0x5c [ 50.057372][ T4487] should_fail+0x3bc/0x514 [ 50.058046][ T4487] __should_failslab+0xbc/0x10c [ 50.058787][ T4487] should_failslab+0x10/0x28 [ 50.059613][ T4487] slab_pre_alloc_hook+0x64/0xe8 [ 50.060418][ T4487] __kmalloc_track_caller+0x70/0x358 [ 50.061269][ T4487] kstrdup+0xe4/0x15c [ 50.061966][ T4487] kstrdup_const+0x54/0x6c [ 50.062698][ T4487] kvasprintf_const+0x120/0x2e4 [ 50.063456][ T4487] kobject_set_name_vargs+0xd8/0x1c8 [ 50.064309][ T4487] dev_set_name+0xe8/0x13c [ 50.065013][ T4487] device_add_disk+0x258/0xacc [ 50.065789][ T4487] loop_add+0x510/0x6e0 [ 50.066489][ T4487] loop_control_ioctl+0x130/0x4e0 [ 50.067314][ T4487] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.068175][ T4487] invoke_syscall+0x98/0x2b0 [ 50.068954][ T4487] el0_svc_common+0x138/0x258 [ 50.069799][ T4487] do_el0_svc+0x58/0x13c [ 50.070512][ T4487] el0_svc+0x78/0x1d0 [ 50.071150][ T4487] el0t_64_sync_handler+0xcc/0xe4 [ 50.071965][ T4487] el0t_64_sync+0x1a0/0x1a4 [ 50.083417][ T4493] FAULT_INJECTION: forcing a failure. [ 50.083417][ T4493] name failslab, interval 1, probability 0, space 0, times 0 [ 50.085630][ T4493] CPU: 0 PID: 4493 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.087128][ T4493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 50.088838][ T4493] Call trace: [ 50.089342][ T4493] dump_backtrace+0x0/0x458 [ 50.090071][ T4493] show_stack+0x2c/0x3c [ 50.090742][ T4493] __dump_stack+0x30/0x40 [ 50.091482][ T4493] dump_stack_lvl+0xf4/0x15c [ 50.092249][ T4493] dump_stack+0x1c/0x5c [ 50.092974][ T4493] should_fail+0x3bc/0x514 [ 50.093677][ T4493] __should_failslab+0xbc/0x10c [ 50.094535][ T4493] should_failslab+0x10/0x28 [ 50.095363][ T4493] slab_pre_alloc_hook+0x64/0xe8 [ 50.096217][ T4493] kmem_cache_alloc_trace+0x98/0x3ec [ 50.097122][ T4493] device_add+0xbc/0xf90 [ 50.097815][ T4493] device_add_disk+0x2d0/0xacc [ 50.098641][ T4493] loop_add+0x510/0x6e0 [ 50.099347][ T4493] loop_control_ioctl+0x130/0x4e0 [ 50.100180][ T4493] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.100998][ T4493] invoke_syscall+0x98/0x2b0 [ 50.101757][ T4493] el0_svc_common+0x138/0x258 [ 50.102562][ T4493] do_el0_svc+0x58/0x13c [ 50.103347][ T4493] el0_svc+0x78/0x1d0 [ 50.104032][ T4493] el0t_64_sync_handler+0xcc/0xe4 [ 50.104913][ T4493] el0t_64_sync+0x1a0/0x1a4 [ 50.118997][ T4498] FAULT_INJECTION: forcing a failure. [ 50.118997][ T4498] name failslab, interval 1, probability 0, space 0, times 0 [ 50.121815][ T4498] CPU: 0 PID: 4498 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.123297][ T4498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 50.124951][ T4498] Call trace: [ 50.125499][ T4498] dump_backtrace+0x0/0x458 [ 50.126319][ T4498] show_stack+0x2c/0x3c [ 50.127005][ T4498] __dump_stack+0x30/0x40 [ 50.127748][ T4498] dump_stack_lvl+0xf4/0x15c [ 50.128498][ T4498] dump_stack+0x1c/0x5c [ 50.129196][ T4498] should_fail+0x3bc/0x514 [ 50.130000][ T4498] __should_failslab+0xbc/0x10c [ 50.130844][ T4498] should_failslab+0x10/0x28 [ 50.131617][ T4498] slab_pre_alloc_hook+0x64/0xe8 [ 50.132529][ T4498] __kmalloc_track_caller+0x70/0x358 [ 50.133439][ T4498] kstrdup+0xe4/0x15c [ 50.134044][ T4498] kstrdup_const+0x54/0x6c [ 50.134795][ T4498] kvasprintf_const+0x120/0x2e4 [ 50.135638][ T4498] kobject_set_name_vargs+0xd8/0x1c8 [ 50.136489][ T4498] dev_set_name+0xe8/0x13c [ 50.137205][ T4498] device_add_disk+0x258/0xacc [ 50.137966][ T4498] loop_add+0x510/0x6e0 [ 50.138691][ T4498] loop_control_ioctl+0x130/0x4e0 [ 50.139563][ T4498] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.140379][ T4498] invoke_syscall+0x98/0x2b0 [ 50.141099][ T4498] el0_svc_common+0x138/0x258 [ 50.141843][ T4498] do_el0_svc+0x58/0x13c [ 50.142526][ T4498] el0_svc+0x78/0x1d0 [ 50.143117][ T4498] el0t_64_sync_handler+0xcc/0xe4 [ 50.143910][ T4498] el0t_64_sync+0x1a0/0x1a4 [ 50.156849][ T4505] FAULT_INJECTION: forcing a failure. [ 50.156849][ T4505] name failslab, interval 1, probability 0, space 0, times 0 [ 50.159841][ T4052] Bluetooth: hci0: command 0x0409 tx timeout [ 50.162043][ T4505] CPU: 0 PID: 4505 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.163338][ T4505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 50.165026][ T4505] Call trace: [ 50.165586][ T4505] dump_backtrace+0x0/0x458 [ 50.166377][ T4505] show_stack+0x2c/0x3c [ 50.167070][ T4505] __dump_stack+0x30/0x40 [ 50.167780][ T4505] dump_stack_lvl+0xf4/0x15c [ 50.168539][ T4505] dump_stack+0x1c/0x5c [ 50.169216][ T4505] should_fail+0x3bc/0x514 [ 50.169927][ T4505] __should_failslab+0xbc/0x10c [ 50.170807][ T4505] should_failslab+0x10/0x28 [ 50.171515][ T4505] slab_pre_alloc_hook+0x64/0xe8 [ 50.172314][ T4505] kmem_cache_alloc_trace+0x98/0x3ec [ 50.173129][ T4505] device_add+0xbc/0xf90 [ 50.173747][ T4505] device_add_disk+0x2d0/0xacc [ 50.174565][ T4505] loop_add+0x510/0x6e0 [ 50.175306][ T4505] loop_control_ioctl+0x130/0x4e0 [ 50.176177][ T4505] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.177036][ T4505] invoke_syscall+0x98/0x2b0 [ 50.177831][ T4505] el0_svc_common+0x138/0x258 [ 50.178627][ T4505] do_el0_svc+0x58/0x13c [ 50.179325][ T4505] el0_svc+0x78/0x1d0 [ 50.179945][ T4505] el0t_64_sync_handler+0xcc/0xe4 [ 50.180787][ T4505] el0t_64_sync+0x1a0/0x1a4 [ 50.193315][ T4509] FAULT_INJECTION: forcing a failure. [ 50.193315][ T4509] name failslab, interval 1, probability 0, space 0, times 0 [ 50.195530][ T4509] CPU: 0 PID: 4509 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.197136][ T4509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 50.198832][ T4509] Call trace: [ 50.199381][ T4509] dump_backtrace+0x0/0x458 [ 50.200071][ T4509] show_stack+0x2c/0x3c [ 50.200725][ T4509] __dump_stack+0x30/0x40 [ 50.201423][ T4509] dump_stack_lvl+0xf4/0x15c [ 50.202139][ T4509] dump_stack+0x1c/0x5c [ 50.202801][ T4509] should_fail+0x3bc/0x514 [ 50.203515][ T4509] __should_failslab+0xbc/0x10c [ 50.204284][ T4509] should_failslab+0x10/0x28 [ 50.205070][ T4509] slab_pre_alloc_hook+0x64/0xe8 [ 50.205897][ T4509] kmem_cache_alloc_trace+0x98/0x3ec [ 50.206788][ T4509] rand_initialize_disk+0x58/0xb8 [ 50.207646][ T4509] __alloc_disk_node+0x2a8/0x450 [ 50.208450][ T4509] __blk_mq_alloc_disk+0xe8/0x154 [ 50.209244][ T4509] loop_add+0x240/0x6e0 [ 50.209914][ T4509] loop_control_ioctl+0x130/0x4e0 [ 50.210773][ T4509] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.211604][ T4509] invoke_syscall+0x98/0x2b0 [ 50.212370][ T4509] el0_svc_common+0x138/0x258 [ 50.213127][ T4509] do_el0_svc+0x58/0x13c [ 50.213813][ T4509] el0_svc+0x78/0x1d0 [ 50.214432][ T4509] el0t_64_sync_handler+0xcc/0xe4 [ 50.215291][ T4509] el0t_64_sync+0x1a0/0x1a4 [ 50.234407][ T4516] FAULT_INJECTION: forcing a failure. [ 50.234407][ T4516] name failslab, interval 1, probability 0, space 0, times 0 [ 50.236558][ T4516] CPU: 1 PID: 4516 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.238014][ T4516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 50.239692][ T4516] Call trace: [ 50.240267][ T4516] dump_backtrace+0x0/0x458 [ 50.241048][ T4516] show_stack+0x2c/0x3c [ 50.241712][ T4516] __dump_stack+0x30/0x40 [ 50.242405][ T4516] dump_stack_lvl+0xf4/0x15c [ 50.243163][ T4516] dump_stack+0x1c/0x5c [ 50.243853][ T4516] should_fail+0x3bc/0x514 [ 50.244563][ T4516] __should_failslab+0xbc/0x10c [ 50.245365][ T4516] should_failslab+0x10/0x28 [ 50.246124][ T4516] slab_pre_alloc_hook+0x64/0xe8 [ 50.246916][ T4516] kmem_cache_alloc_trace+0x98/0x3ec [ 50.247826][ T4516] device_add+0xbc/0xf90 [ 50.248507][ T4516] device_add_disk+0x2d0/0xacc [ 50.249261][ T4516] loop_add+0x510/0x6e0 [ 50.249965][ T4516] loop_control_ioctl+0x130/0x4e0 [ 50.250801][ T4516] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.251622][ T4516] invoke_syscall+0x98/0x2b0 [ 50.252357][ T4516] el0_svc_common+0x138/0x258 [ 50.253177][ T4516] do_el0_svc+0x58/0x13c [ 50.253942][ T4516] el0_svc+0x78/0x1d0 [ 50.254595][ T4516] el0t_64_sync_handler+0xcc/0xe4 [ 50.255478][ T4516] el0t_64_sync+0x1a0/0x1a4 [ 50.276700][ T4523] FAULT_INJECTION: forcing a failure. [ 50.276700][ T4523] name failslab, interval 1, probability 0, space 0, times 0 [ 50.278954][ T4523] CPU: 0 PID: 4523 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.280356][ T4523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 50.281946][ T4523] Call trace: [ 50.282503][ T4523] dump_backtrace+0x0/0x458 [ 50.283289][ T4523] show_stack+0x2c/0x3c [ 50.283984][ T4523] __dump_stack+0x30/0x40 [ 50.284752][ T4523] dump_stack_lvl+0xf4/0x15c [ 50.285549][ T4523] dump_stack+0x1c/0x5c [ 50.286260][ T4523] should_fail+0x3bc/0x514 [ 50.287064][ T4523] __should_failslab+0xbc/0x10c [ 50.287846][ T4523] should_failslab+0x10/0x28 [ 50.288574][ T4523] slab_pre_alloc_hook+0x64/0xe8 [ 50.289354][ T4523] kmem_cache_alloc_trace+0x98/0x3ec [ 50.290182][ T4523] device_add+0xbc/0xf90 [ 50.290898][ T4523] device_add_disk+0x2d0/0xacc [ 50.291730][ T4523] loop_add+0x510/0x6e0 [ 50.292369][ T4523] loop_control_ioctl+0x130/0x4e0 [ 50.293209][ T4523] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.294061][ T4523] invoke_syscall+0x98/0x2b0 [ 50.294829][ T4523] el0_svc_common+0x138/0x258 [ 50.295630][ T4523] do_el0_svc+0x58/0x13c [ 50.296356][ T4523] el0_svc+0x78/0x1d0 [ 50.297012][ T4523] el0t_64_sync_handler+0xcc/0xe4 [ 50.297866][ T4523] el0t_64_sync+0x1a0/0x1a4 [ 50.310120][ T4528] FAULT_INJECTION: forcing a failure. [ 50.310120][ T4528] name failslab, interval 1, probability 0, space 0, times 0 [ 50.312351][ T4528] CPU: 0 PID: 4528 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.313843][ T4528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 50.315563][ T4528] Call trace: [ 50.316080][ T4528] dump_backtrace+0x0/0x458 [ 50.316889][ T4528] show_stack+0x2c/0x3c [ 50.317601][ T4528] __dump_stack+0x30/0x40 [ 50.318314][ T4528] dump_stack_lvl+0xf4/0x15c [ 50.319093][ T4528] dump_stack+0x1c/0x5c [ 50.319777][ T4528] should_fail+0x3bc/0x514 [ 50.320478][ T4528] __should_failslab+0xbc/0x10c [ 50.321255][ T4528] should_failslab+0x10/0x28 [ 50.321980][ T4528] slab_pre_alloc_hook+0x64/0xe8 [ 50.322770][ T4528] kmem_cache_alloc_trace+0x98/0x3ec [ 50.323536][ T4528] device_add+0xbc/0xf90 [ 50.324161][ T4528] device_add_disk+0x2d0/0xacc [ 50.324877][ T4528] loop_add+0x510/0x6e0 [ 50.325526][ T4528] loop_control_ioctl+0x130/0x4e0 [ 50.326276][ T4528] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.327083][ T4528] invoke_syscall+0x98/0x2b0 [ 50.327758][ T4528] el0_svc_common+0x138/0x258 [ 50.328470][ T4528] do_el0_svc+0x58/0x13c [ 50.329100][ T4528] el0_svc+0x78/0x1d0 [ 50.329686][ T4528] el0t_64_sync_handler+0xcc/0xe4 [ 50.330481][ T4528] el0t_64_sync+0x1a0/0x1a4 [ 50.342317][ T4533] FAULT_INJECTION: forcing a failure. [ 50.342317][ T4533] name failslab, interval 1, probability 0, space 0, times 0 [ 50.344662][ T4533] CPU: 0 PID: 4533 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.346171][ T4533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 50.347799][ T4533] Call trace: [ 50.348341][ T4533] dump_backtrace+0x0/0x458 [ 50.349110][ T4533] show_stack+0x2c/0x3c [ 50.349790][ T4533] __dump_stack+0x30/0x40 [ 50.350475][ T4533] dump_stack_lvl+0xf4/0x15c [ 50.351253][ T4533] dump_stack+0x1c/0x5c [ 50.351974][ T4533] should_fail+0x3bc/0x514 [ 50.352694][ T4533] __should_failslab+0xbc/0x10c [ 50.353556][ T4533] should_failslab+0x10/0x28 [ 50.354350][ T4533] slab_pre_alloc_hook+0x64/0xe8 [ 50.355188][ T4533] kmem_cache_alloc_trace+0x98/0x3ec [ 50.356139][ T4533] device_add+0xbc/0xf90 [ 50.356878][ T4533] device_add_disk+0x2d0/0xacc [ 50.357677][ T4533] loop_add+0x510/0x6e0 [ 50.358360][ T4533] loop_control_ioctl+0x130/0x4e0 [ 50.359179][ T4533] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.359958][ T4533] invoke_syscall+0x98/0x2b0 [ 50.360686][ T4533] el0_svc_common+0x138/0x258 [ 50.361506][ T4533] do_el0_svc+0x58/0x13c [ 50.362247][ T4533] el0_svc+0x78/0x1d0 [ 50.362907][ T4533] el0t_64_sync_handler+0xcc/0xe4 [ 50.363764][ T4533] el0t_64_sync+0x1a0/0x1a4 [ 50.376987][ T4540] FAULT_INJECTION: forcing a failure. [ 50.376987][ T4540] name failslab, interval 1, probability 0, space 0, times 0 [ 50.379531][ T4540] CPU: 0 PID: 4540 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.380973][ T4540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 50.382608][ T4540] Call trace: [ 50.383142][ T4540] dump_backtrace+0x0/0x458 [ 50.383948][ T4540] show_stack+0x2c/0x3c [ 50.384639][ T4540] __dump_stack+0x30/0x40 [ 50.385397][ T4540] dump_stack_lvl+0xf4/0x15c [ 50.386224][ T4540] dump_stack+0x1c/0x5c [ 50.386975][ T4540] should_fail+0x3bc/0x514 [ 50.387724][ T4540] __should_failslab+0xbc/0x10c [ 50.388540][ T4540] should_failslab+0x10/0x28 [ 50.389295][ T4540] slab_pre_alloc_hook+0x64/0xe8 [ 50.390122][ T4540] __kmalloc_track_caller+0x70/0x358 [ 50.391029][ T4540] kstrdup+0xe4/0x15c [ 50.391719][ T4540] kstrdup_const+0x54/0x6c [ 50.392476][ T4540] kvasprintf_const+0x120/0x2e4 [ 50.393315][ T4540] kobject_set_name_vargs+0xd8/0x1c8 [ 50.394221][ T4540] dev_set_name+0xe8/0x13c [ 50.394975][ T4540] device_add_disk+0x258/0xacc [ 50.395779][ T4540] loop_add+0x510/0x6e0 [ 50.396457][ T4540] loop_control_ioctl+0x130/0x4e0 [ 50.397317][ T4540] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.398135][ T4540] invoke_syscall+0x98/0x2b0 [ 50.398875][ T4540] el0_svc_common+0x138/0x258 [ 50.399670][ T4540] do_el0_svc+0x58/0x13c [ 50.400399][ T4540] el0_svc+0x78/0x1d0 [ 50.401069][ T4540] el0t_64_sync_handler+0xcc/0xe4 [ 50.401882][ T4540] el0t_64_sync+0x1a0/0x1a4 [ 50.413636][ T4545] FAULT_INJECTION: forcing a failure. [ 50.413636][ T4545] name failslab, interval 1, probability 0, space 0, times 0 [ 50.415820][ T4545] CPU: 0 PID: 4545 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.417372][ T4545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 50.419083][ T4545] Call trace: [ 50.419661][ T4545] dump_backtrace+0x0/0x458 [ 50.420415][ T4545] show_stack+0x2c/0x3c [ 50.421059][ T4545] __dump_stack+0x30/0x40 [ 50.421761][ T4545] dump_stack_lvl+0xf4/0x15c [ 50.422475][ T4545] dump_stack+0x1c/0x5c [ 50.423177][ T4545] should_fail+0x3bc/0x514 [ 50.423876][ T4545] __should_failslab+0xbc/0x10c [ 50.424622][ T4545] should_failslab+0x10/0x28 [ 50.425353][ T4545] slab_pre_alloc_hook+0x64/0xe8 [ 50.426127][ T4545] __kmalloc_track_caller+0x70/0x358 [ 50.426996][ T4545] kstrdup+0xe4/0x15c [ 50.427668][ T4545] kstrdup_const+0x54/0x6c [ 50.428451][ T4545] kvasprintf_const+0x120/0x2e4 [ 50.429319][ T4545] kobject_set_name_vargs+0xd8/0x1c8 [ 50.430239][ T4545] dev_set_name+0xe8/0x13c [ 50.430993][ T4545] device_add_disk+0x258/0xacc [ 50.431832][ T4545] loop_add+0x510/0x6e0 [ 50.432548][ T4545] loop_control_ioctl+0x130/0x4e0 [ 50.433383][ T4545] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.434195][ T4545] invoke_syscall+0x98/0x2b0 [ 50.434924][ T4545] el0_svc_common+0x138/0x258 [ 50.435730][ T4545] do_el0_svc+0x58/0x13c [ 50.436429][ T4545] el0_svc+0x78/0x1d0 [ 50.437052][ T4545] el0t_64_sync_handler+0xcc/0xe4 [ 50.437856][ T4545] el0t_64_sync+0x1a0/0x1a4 [ 50.448588][ T4550] FAULT_INJECTION: forcing a failure. [ 50.448588][ T4550] name failslab, interval 1, probability 0, space 0, times 0 [ 50.452461][ T4550] CPU: 0 PID: 4550 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.453956][ T4550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 50.455584][ T4550] Call trace: [ 50.456125][ T4550] dump_backtrace+0x0/0x458 [ 50.456824][ T4550] show_stack+0x2c/0x3c [ 50.457494][ T4550] __dump_stack+0x30/0x40 [ 50.458188][ T4550] dump_stack_lvl+0xf4/0x15c [ 50.459016][ T4550] dump_stack+0x1c/0x5c [ 50.459727][ T4550] should_fail+0x3bc/0x514 [ 50.460465][ T4550] __should_failslab+0xbc/0x10c [ 50.461208][ T4550] should_failslab+0x10/0x28 [ 50.461922][ T4550] slab_pre_alloc_hook+0x64/0xe8 [ 50.462714][ T4550] __kmalloc_track_caller+0x70/0x358 [ 50.463591][ T4550] kstrdup+0xe4/0x15c [ 50.464278][ T4550] kstrdup_const+0x54/0x6c [ 50.465027][ T4550] kvasprintf_const+0x120/0x2e4 [ 50.465816][ T4550] kobject_set_name_vargs+0xd8/0x1c8 [ 50.466647][ T4550] dev_set_name+0xe8/0x13c [ 50.467384][ T4550] device_add_disk+0x258/0xacc [ 50.468257][ T4550] loop_add+0x510/0x6e0 [ 50.468971][ T4550] loop_control_ioctl+0x130/0x4e0 [ 50.469801][ T4550] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.470564][ T4550] invoke_syscall+0x98/0x2b0 [ 50.471306][ T4550] el0_svc_common+0x138/0x258 [ 50.472087][ T4550] do_el0_svc+0x58/0x13c [ 50.472771][ T4550] el0_svc+0x78/0x1d0 [ 50.473412][ T4550] el0t_64_sync_handler+0xcc/0xe4 [ 50.474228][ T4550] el0t_64_sync+0x1a0/0x1a4 [ 50.487658][ T4556] FAULT_INJECTION: forcing a failure. [ 50.487658][ T4556] name failslab, interval 1, probability 0, space 0, times 0 [ 50.490141][ T4556] CPU: 0 PID: 4556 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.491639][ T4556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 50.493362][ T4556] Call trace: [ 50.493893][ T4556] dump_backtrace+0x0/0x458 [ 50.494609][ T4556] show_stack+0x2c/0x3c [ 50.495292][ T4556] __dump_stack+0x30/0x40 [ 50.496008][ T4556] dump_stack_lvl+0xf4/0x15c [ 50.496802][ T4556] dump_stack+0x1c/0x5c [ 50.497485][ T4556] should_fail+0x3bc/0x514 [ 50.498191][ T4556] __should_failslab+0xbc/0x10c [ 50.498939][ T4556] should_failslab+0x10/0x28 [ 50.499678][ T4556] slab_pre_alloc_hook+0x64/0xe8 [ 50.500463][ T4556] __kmalloc_track_caller+0x70/0x358 [ 50.501329][ T4556] kstrdup+0xe4/0x15c [ 50.501997][ T4556] kstrdup_const+0x54/0x6c [ 50.502761][ T4556] kvasprintf_const+0x120/0x2e4 [ 50.503590][ T4556] kobject_set_name_vargs+0xd8/0x1c8 [ 50.504501][ T4556] dev_set_name+0xe8/0x13c [ 50.505276][ T4556] device_add_disk+0x258/0xacc [ 50.506117][ T4556] loop_add+0x510/0x6e0 [ 50.506852][ T4556] loop_control_ioctl+0x130/0x4e0 [ 50.507627][ T4556] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.508404][ T4556] invoke_syscall+0x98/0x2b0 [ 50.509094][ T4556] el0_svc_common+0x138/0x258 [ 50.509835][ T4556] do_el0_svc+0x58/0x13c [ 50.510580][ T4556] el0_svc+0x78/0x1d0 [ 50.511265][ T4556] el0t_64_sync_handler+0xcc/0xe4 [ 50.512112][ T4556] el0t_64_sync+0x1a0/0x1a4 [ 50.528119][ T4564] FAULT_INJECTION: forcing a failure. [ 50.528119][ T4564] name failslab, interval 1, probability 0, space 0, times 0 [ 50.530471][ T4564] CPU: 1 PID: 4564 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.531902][ T4564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 50.533497][ T4564] Call trace: [ 50.534076][ T4564] dump_backtrace+0x0/0x458 [ 50.534819][ T4564] show_stack+0x2c/0x3c [ 50.535521][ T4564] __dump_stack+0x30/0x40 [ 50.536250][ T4564] dump_stack_lvl+0xf4/0x15c [ 50.537033][ T4564] dump_stack+0x1c/0x5c [ 50.537678][ T4564] should_fail+0x3bc/0x514 [ 50.538394][ T4564] __should_failslab+0xbc/0x10c [ 50.539172][ T4564] should_failslab+0x10/0x28 [ 50.539904][ T4564] slab_pre_alloc_hook+0x64/0xe8 [ 50.540749][ T4564] kmem_cache_alloc+0x94/0x3d4 [ 50.541522][ T4564] security_inode_alloc+0x38/0x11c [ 50.542401][ T4564] inode_init_always+0x670/0xa84 [ 50.543236][ T4564] new_inode_pseudo+0x7c/0x1fc [ 50.543957][ T4564] new_inode+0x38/0x174 [ 50.544590][ T4564] bdev_alloc+0x30/0x1f8 [ 50.545240][ T4564] __alloc_disk_node+0xbc/0x450 [ 50.546046][ T4564] __blk_mq_alloc_disk+0xe8/0x154 [ 50.546848][ T4564] loop_add+0x240/0x6e0 [ 50.547576][ T4564] loop_control_ioctl+0x130/0x4e0 [ 50.548385][ T4564] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.549175][ T4564] invoke_syscall+0x98/0x2b0 [ 50.549904][ T4564] el0_svc_common+0x138/0x258 [ 50.550668][ T4564] do_el0_svc+0x58/0x13c [ 50.551315][ T4564] el0_svc+0x78/0x1d0 [ 50.551886][ T4564] el0t_64_sync_handler+0xcc/0xe4 [ 50.552653][ T4564] el0t_64_sync+0x1a0/0x1a4 [ 50.566257][ T4567] FAULT_INJECTION: forcing a failure. [ 50.566257][ T4567] name failslab, interval 1, probability 0, space 0, times 0 [ 50.568335][ T4567] CPU: 1 PID: 4567 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.569861][ T4567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 50.571530][ T4567] Call trace: [ 50.572073][ T4567] dump_backtrace+0x0/0x458 [ 50.572814][ T4567] show_stack+0x2c/0x3c [ 50.573525][ T4567] __dump_stack+0x30/0x40 [ 50.574237][ T4567] dump_stack_lvl+0xf4/0x15c [ 50.575006][ T4567] dump_stack+0x1c/0x5c [ 50.575657][ T4567] should_fail+0x3bc/0x514 [ 50.576377][ T4567] __should_failslab+0xbc/0x10c [ 50.577209][ T4567] should_failslab+0x10/0x28 [ 50.577966][ T4567] slab_pre_alloc_hook+0x64/0xe8 [ 50.578785][ T4567] __kmalloc_track_caller+0x70/0x358 [ 50.579680][ T4567] kstrdup+0xe4/0x15c [ 50.580395][ T4567] kstrdup_const+0x54/0x6c [ 50.581098][ T4567] kvasprintf_const+0x120/0x2e4 [ 50.581926][ T4567] kobject_set_name_vargs+0xd8/0x1c8 [ 50.582778][ T4567] dev_set_name+0xe8/0x13c [ 50.583526][ T4567] device_add_disk+0x258/0xacc [ 50.584296][ T4567] loop_add+0x510/0x6e0 [ 50.584975][ T4567] loop_control_ioctl+0x130/0x4e0 [ 50.585879][ T4567] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.586673][ T4567] invoke_syscall+0x98/0x2b0 [ 50.587476][ T4567] el0_svc_common+0x138/0x258 [ 50.588255][ T4567] do_el0_svc+0x58/0x13c [ 50.588926][ T4567] el0_svc+0x78/0x1d0 [ 50.589597][ T4567] el0t_64_sync_handler+0xcc/0xe4 [ 50.590418][ T4567] el0t_64_sync+0x1a0/0x1a4 [ 50.601082][ T4569] FAULT_INJECTION: forcing a failure. [ 50.601082][ T4569] name failslab, interval 1, probability 0, space 0, times 0 [ 50.603230][ T4569] CPU: 0 PID: 4569 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.604758][ T4569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 50.606343][ T4569] Call trace: [ 50.606901][ T4569] dump_backtrace+0x0/0x458 [ 50.607623][ T4569] show_stack+0x2c/0x3c [ 50.608287][ T4569] __dump_stack+0x30/0x40 [ 50.609059][ T4569] dump_stack_lvl+0xf4/0x15c [ 50.609850][ T4569] dump_stack+0x1c/0x5c [ 50.610551][ T4569] should_fail+0x3bc/0x514 [ 50.611297][ T4569] __should_failslab+0xbc/0x10c [ 50.612135][ T4569] should_failslab+0x10/0x28 [ 50.612870][ T4569] slab_pre_alloc_hook+0x64/0xe8 [ 50.613696][ T4569] kmem_cache_alloc_trace+0x98/0x3ec [ 50.614590][ T4569] device_add+0xbc/0xf90 [ 50.615286][ T4569] device_add_disk+0x2d0/0xacc [ 50.616072][ T4569] loop_add+0x510/0x6e0 [ 50.616796][ T4569] loop_control_ioctl+0x130/0x4e0 [ 50.617681][ T4569] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.618540][ T4569] invoke_syscall+0x98/0x2b0 [ 50.619274][ T4569] el0_svc_common+0x138/0x258 [ 50.620031][ T4569] do_el0_svc+0x58/0x13c [ 50.620673][ T4569] el0_svc+0x78/0x1d0 [ 50.621330][ T4569] el0t_64_sync_handler+0xcc/0xe4 [ 50.622196][ T4569] el0t_64_sync+0x1a0/0x1a4 [ 50.634113][ T4571] FAULT_INJECTION: forcing a failure. [ 50.634113][ T4571] name failslab, interval 1, probability 0, space 0, times 0 [ 50.636329][ T4571] CPU: 1 PID: 4571 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.637906][ T4571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 50.639512][ T4571] Call trace: [ 50.640084][ T4571] dump_backtrace+0x0/0x458 [ 50.640829][ T4571] show_stack+0x2c/0x3c [ 50.641521][ T4571] __dump_stack+0x30/0x40 [ 50.642265][ T4571] dump_stack_lvl+0xf4/0x15c [ 50.643073][ T4571] dump_stack+0x1c/0x5c [ 50.643712][ T4571] should_fail+0x3bc/0x514 [ 50.644498][ T4571] __should_failslab+0xbc/0x10c [ 50.645320][ T4571] should_failslab+0x10/0x28 [ 50.646065][ T4571] slab_pre_alloc_hook+0x64/0xe8 [ 50.646929][ T4571] kmem_cache_alloc_trace+0x98/0x3ec [ 50.647805][ T4571] device_add+0xbc/0xf90 [ 50.648509][ T4571] device_add_disk+0x2d0/0xacc [ 50.649287][ T4571] loop_add+0x510/0x6e0 [ 50.649939][ T4571] loop_control_ioctl+0x130/0x4e0 [ 50.650701][ T4571] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.651467][ T4571] invoke_syscall+0x98/0x2b0 [ 50.652147][ T4571] el0_svc_common+0x138/0x258 [ 50.652885][ T4571] do_el0_svc+0x58/0x13c [ 50.653604][ T4571] el0_svc+0x78/0x1d0 [ 50.654208][ T4571] el0t_64_sync_handler+0xcc/0xe4 [ 50.654980][ T4571] el0t_64_sync+0x1a0/0x1a4 [ 50.665817][ T4573] FAULT_INJECTION: forcing a failure. [ 50.665817][ T4573] name failslab, interval 1, probability 0, space 0, times 0 [ 50.667811][ T4573] CPU: 1 PID: 4573 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.669201][ T4573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 50.670707][ T4573] Call trace: [ 50.671252][ T4573] dump_backtrace+0x0/0x458 [ 50.671978][ T4573] show_stack+0x2c/0x3c [ 50.672619][ T4573] __dump_stack+0x30/0x40 [ 50.673326][ T4573] dump_stack_lvl+0xf4/0x15c [ 50.674062][ T4573] dump_stack+0x1c/0x5c [ 50.674751][ T4573] should_fail+0x3bc/0x514 [ 50.675497][ T4573] __should_failslab+0xbc/0x10c [ 50.676289][ T4573] should_failslab+0x10/0x28 [ 50.677020][ T4573] slab_pre_alloc_hook+0x64/0xe8 [ 50.677819][ T4573] __kmalloc_track_caller+0x70/0x358 [ 50.678684][ T4573] kstrdup+0xe4/0x15c [ 50.679390][ T4573] kstrdup_const+0x54/0x6c [ 50.680116][ T4573] kvasprintf_const+0x120/0x2e4 [ 50.680902][ T4573] kobject_set_name_vargs+0xd8/0x1c8 [ 50.681769][ T4573] dev_set_name+0xe8/0x13c [ 50.682507][ T4573] device_add_disk+0x258/0xacc [ 50.683293][ T4573] loop_add+0x510/0x6e0 [ 50.683981][ T4573] loop_control_ioctl+0x130/0x4e0 [ 50.684809][ T4573] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.685638][ T4573] invoke_syscall+0x98/0x2b0 [ 50.686450][ T4573] el0_svc_common+0x138/0x258 [ 50.687225][ T4573] do_el0_svc+0x58/0x13c [ 50.687918][ T4573] el0_svc+0x78/0x1d0 [ 50.688612][ T4573] el0t_64_sync_handler+0xcc/0xe4 [ 50.689503][ T4573] el0t_64_sync+0x1a0/0x1a4 [ 50.699008][ T4575] FAULT_INJECTION: forcing a failure. [ 50.699008][ T4575] name failslab, interval 1, probability 0, space 0, times 0 [ 50.701631][ T4575] CPU: 0 PID: 4575 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.703022][ T4575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 50.704603][ T4575] Call trace: [ 50.705138][ T4575] dump_backtrace+0x0/0x458 [ 50.705874][ T4575] show_stack+0x2c/0x3c [ 50.706558][ T4575] __dump_stack+0x30/0x40 [ 50.707266][ T4575] dump_stack_lvl+0xf4/0x15c [ 50.708012][ T4575] dump_stack+0x1c/0x5c [ 50.708684][ T4575] should_fail+0x3bc/0x514 [ 50.709422][ T4575] __should_failslab+0xbc/0x10c [ 50.710258][ T4575] should_failslab+0x10/0x28 [ 50.711031][ T4575] slab_pre_alloc_hook+0x64/0xe8 [ 50.711842][ T4575] __kmalloc_track_caller+0x70/0x358 [ 50.712712][ T4575] kstrdup+0xe4/0x15c [ 50.713391][ T4575] kstrdup_const+0x54/0x6c [ 50.714137][ T4575] kvasprintf_const+0x120/0x2e4 [ 50.714929][ T4575] kobject_set_name_vargs+0xd8/0x1c8 [ 50.715815][ T4575] dev_set_name+0xe8/0x13c [ 50.716560][ T4575] device_add_disk+0x258/0xacc [ 50.717376][ T4575] loop_add+0x510/0x6e0 [ 50.718084][ T4575] loop_control_ioctl+0x130/0x4e0 [ 50.718933][ T4575] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.719754][ T4575] invoke_syscall+0x98/0x2b0 [ 50.720502][ T4575] el0_svc_common+0x138/0x258 [ 50.721240][ T4575] do_el0_svc+0x58/0x13c [ 50.721896][ T4575] el0_svc+0x78/0x1d0 [ 50.722543][ T4575] el0t_64_sync_handler+0xcc/0xe4 [ 50.723439][ T4575] el0t_64_sync+0x1a0/0x1a4 [ 50.735169][ T4577] FAULT_INJECTION: forcing a failure. [ 50.735169][ T4577] name failslab, interval 1, probability 0, space 0, times 0 [ 50.737310][ T4577] CPU: 0 PID: 4577 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.738830][ T4577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 50.740498][ T4577] Call trace: [ 50.741060][ T4577] dump_backtrace+0x0/0x458 [ 50.741800][ T4577] show_stack+0x2c/0x3c [ 50.742475][ T4577] __dump_stack+0x30/0x40 [ 50.743215][ T4577] dump_stack_lvl+0xf4/0x15c [ 50.743942][ T4577] dump_stack+0x1c/0x5c [ 50.744620][ T4577] should_fail+0x3bc/0x514 [ 50.745373][ T4577] __should_failslab+0xbc/0x10c [ 50.746167][ T4577] should_failslab+0x10/0x28 [ 50.746895][ T4577] slab_pre_alloc_hook+0x64/0xe8 [ 50.747718][ T4577] kmem_cache_alloc_trace+0x98/0x3ec [ 50.748657][ T4577] rand_initialize_disk+0x58/0xb8 [ 50.749524][ T4577] __alloc_disk_node+0x2a8/0x450 [ 50.750370][ T4577] __blk_mq_alloc_disk+0xe8/0x154 [ 50.751239][ T4577] loop_add+0x240/0x6e0 [ 50.751980][ T4577] loop_control_ioctl+0x130/0x4e0 [ 50.752774][ T4577] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.753584][ T4577] invoke_syscall+0x98/0x2b0 [ 50.754309][ T4577] el0_svc_common+0x138/0x258 [ 50.755023][ T4577] do_el0_svc+0x58/0x13c [ 50.755735][ T4577] el0_svc+0x78/0x1d0 [ 50.756388][ T4577] el0t_64_sync_handler+0xcc/0xe4 [ 50.757233][ T4577] el0t_64_sync+0x1a0/0x1a4 [ 50.773082][ T4579] FAULT_INJECTION: forcing a failure. [ 50.773082][ T4579] name failslab, interval 1, probability 0, space 0, times 0 [ 50.775187][ T4579] CPU: 0 PID: 4579 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.776638][ T4579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 50.778296][ T4579] Call trace: [ 50.778806][ T4579] dump_backtrace+0x0/0x458 [ 50.779508][ T4579] show_stack+0x2c/0x3c [ 50.780199][ T4579] __dump_stack+0x30/0x40 [ 50.780894][ T4579] dump_stack_lvl+0xf4/0x15c [ 50.781602][ T4579] dump_stack+0x1c/0x5c [ 50.782326][ T4579] should_fail+0x3bc/0x514 [ 50.783040][ T4579] __should_failslab+0xbc/0x10c [ 50.783802][ T4579] should_failslab+0x10/0x28 [ 50.784607][ T4579] slab_pre_alloc_hook+0x64/0xe8 [ 50.785436][ T4579] kmem_cache_alloc_trace+0x98/0x3ec [ 50.786339][ T4579] device_add+0xbc/0xf90 [ 50.787066][ T4579] device_add_disk+0x2d0/0xacc [ 50.787864][ T4579] loop_add+0x510/0x6e0 [ 50.788615][ T4579] loop_control_ioctl+0x130/0x4e0 [ 50.789440][ T4579] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.790315][ T4579] invoke_syscall+0x98/0x2b0 [ 50.791093][ T4579] el0_svc_common+0x138/0x258 [ 50.791860][ T4579] do_el0_svc+0x58/0x13c [ 50.792530][ T4579] el0_svc+0x78/0x1d0 [ 50.793238][ T4579] el0t_64_sync_handler+0xcc/0xe4 [ 50.794051][ T4579] el0t_64_sync+0x1a0/0x1a4 [ 50.804537][ T4581] FAULT_INJECTION: forcing a failure. [ 50.804537][ T4581] name failslab, interval 1, probability 0, space 0, times 0 [ 50.806577][ T4581] CPU: 0 PID: 4581 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.808074][ T4581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 50.809692][ T4581] Call trace: [ 50.810208][ T4581] dump_backtrace+0x0/0x458 [ 50.810931][ T4581] show_stack+0x2c/0x3c [ 50.811629][ T4581] __dump_stack+0x30/0x40 [ 50.812346][ T4581] dump_stack_lvl+0xf4/0x15c [ 50.813141][ T4581] dump_stack+0x1c/0x5c [ 50.813888][ T4581] should_fail+0x3bc/0x514 [ 50.814647][ T4581] __should_failslab+0xbc/0x10c [ 50.815501][ T4581] should_failslab+0x10/0x28 [ 50.816316][ T4581] slab_pre_alloc_hook+0x64/0xe8 [ 50.817117][ T4581] __kmalloc_track_caller+0x70/0x358 [ 50.817950][ T4581] kstrdup+0xe4/0x15c [ 50.818550][ T4581] kstrdup_const+0x54/0x6c [ 50.819276][ T4581] kvasprintf_const+0x120/0x2e4 [ 50.820047][ T4581] kobject_set_name_vargs+0xd8/0x1c8 [ 50.820890][ T4581] dev_set_name+0xe8/0x13c [ 50.821593][ T4581] device_add_disk+0x258/0xacc [ 50.822344][ T4581] loop_add+0x510/0x6e0 [ 50.823019][ T4581] loop_control_ioctl+0x130/0x4e0 [ 50.823920][ T4581] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.824713][ T4581] invoke_syscall+0x98/0x2b0 [ 50.825531][ T4581] el0_svc_common+0x138/0x258 [ 50.826307][ T4581] do_el0_svc+0x58/0x13c [ 50.826950][ T4581] el0_svc+0x78/0x1d0 [ 50.827533][ T4581] el0t_64_sync_handler+0xcc/0xe4 [ 50.828447][ T4581] el0t_64_sync+0x1a0/0x1a4 [ 50.838741][ T4583] FAULT_INJECTION: forcing a failure. [ 50.838741][ T4583] name failslab, interval 1, probability 0, space 0, times 0 [ 50.841234][ T4583] CPU: 1 PID: 4583 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.842651][ T4583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 50.844170][ T4583] Call trace: [ 50.844637][ T4583] dump_backtrace+0x0/0x458 [ 50.845320][ T4583] show_stack+0x2c/0x3c [ 50.845960][ T4583] __dump_stack+0x30/0x40 [ 50.846639][ T4583] dump_stack_lvl+0xf4/0x15c [ 50.847323][ T4583] dump_stack+0x1c/0x5c [ 50.847971][ T4583] should_fail+0x3bc/0x514 [ 50.848661][ T4583] __should_failslab+0xbc/0x10c [ 50.849486][ T4583] should_failslab+0x10/0x28 [ 50.850185][ T4583] slab_pre_alloc_hook+0x64/0xe8 [ 50.850957][ T4583] __kmalloc_track_caller+0x70/0x358 [ 50.851800][ T4583] kstrdup+0xe4/0x15c [ 50.852455][ T4583] kstrdup_const+0x54/0x6c [ 50.853176][ T4583] kvasprintf_const+0x120/0x2e4 [ 50.853904][ T4583] kobject_set_name_vargs+0xd8/0x1c8 [ 50.854730][ T4583] dev_set_name+0xe8/0x13c [ 50.855489][ T4583] device_add_disk+0x258/0xacc [ 50.856256][ T4583] loop_add+0x510/0x6e0 [ 50.856910][ T4583] loop_control_ioctl+0x130/0x4e0 [ 50.857714][ T4583] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.858520][ T4583] invoke_syscall+0x98/0x2b0 [ 50.859245][ T4583] el0_svc_common+0x138/0x258 [ 50.860003][ T4583] do_el0_svc+0x58/0x13c [ 50.860675][ T4583] el0_svc+0x78/0x1d0 [ 50.861328][ T4583] el0t_64_sync_handler+0xcc/0xe4 [ 50.862083][ T4583] el0t_64_sync+0x1a0/0x1a4 [ 50.872068][ T4585] FAULT_INJECTION: forcing a failure. [ 50.872068][ T4585] name failslab, interval 1, probability 0, space 0, times 0 [ 50.874088][ T4585] CPU: 0 PID: 4585 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.875398][ T4585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 50.876965][ T4585] Call trace: [ 50.877521][ T4585] dump_backtrace+0x0/0x458 [ 50.878283][ T4585] show_stack+0x2c/0x3c [ 50.878967][ T4585] __dump_stack+0x30/0x40 [ 50.879659][ T4585] dump_stack_lvl+0xf4/0x15c [ 50.880393][ T4585] dump_stack+0x1c/0x5c [ 50.881049][ T4585] should_fail+0x3bc/0x514 [ 50.881785][ T4585] __should_failslab+0xbc/0x10c [ 50.882540][ T4585] should_failslab+0x10/0x28 [ 50.883292][ T4585] slab_pre_alloc_hook+0x64/0xe8 [ 50.884072][ T4585] kmem_cache_alloc_trace+0x98/0x3ec [ 50.884982][ T4585] device_add+0xbc/0xf90 [ 50.885687][ T4585] device_add_disk+0x2d0/0xacc [ 50.886482][ T4585] loop_add+0x510/0x6e0 [ 50.887200][ T4585] loop_control_ioctl+0x130/0x4e0 [ 50.888027][ T4585] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.888914][ T4585] invoke_syscall+0x98/0x2b0 [ 50.889637][ T4585] el0_svc_common+0x138/0x258 [ 50.890463][ T4585] do_el0_svc+0x58/0x13c [ 50.891202][ T4585] el0_svc+0x78/0x1d0 [ 50.891877][ T4585] el0t_64_sync_handler+0xcc/0xe4 [ 50.892719][ T4585] el0t_64_sync+0x1a0/0x1a4 [ 50.902942][ T4587] FAULT_INJECTION: forcing a failure. [ 50.902942][ T4587] name failslab, interval 1, probability 0, space 0, times 0 [ 50.905055][ T4587] CPU: 1 PID: 4587 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.906507][ T4587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 50.908103][ T4587] Call trace: [ 50.908613][ T4587] dump_backtrace+0x0/0x458 [ 50.909311][ T4587] show_stack+0x2c/0x3c [ 50.909941][ T4587] __dump_stack+0x30/0x40 [ 50.910576][ T4587] dump_stack_lvl+0xf4/0x15c [ 50.911371][ T4587] dump_stack+0x1c/0x5c [ 50.912085][ T4587] should_fail+0x3bc/0x514 [ 50.912771][ T4587] __should_failslab+0xbc/0x10c [ 50.913559][ T4587] should_failslab+0x10/0x28 [ 50.914266][ T4587] slab_pre_alloc_hook+0x64/0xe8 [ 50.915045][ T4587] __kmalloc_track_caller+0x70/0x358 [ 50.915907][ T4587] kstrdup+0xe4/0x15c [ 50.916541][ T4587] kstrdup_const+0x54/0x6c [ 50.917242][ T4587] kvasprintf_const+0x120/0x2e4 [ 50.918057][ T4587] kobject_set_name_vargs+0xd8/0x1c8 [ 50.918882][ T4587] dev_set_name+0xe8/0x13c [ 50.919567][ T4587] device_add_disk+0x258/0xacc [ 50.920404][ T4587] loop_add+0x510/0x6e0 [ 50.921093][ T4587] loop_control_ioctl+0x130/0x4e0 [ 50.921874][ T4587] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.922653][ T4587] invoke_syscall+0x98/0x2b0 [ 50.923458][ T4587] el0_svc_common+0x138/0x258 [ 50.924213][ T4587] do_el0_svc+0x58/0x13c [ 50.924929][ T4587] el0_svc+0x78/0x1d0 [ 50.925558][ T4587] el0t_64_sync_handler+0xcc/0xe4 [ 50.926397][ T4587] el0t_64_sync+0x1a0/0x1a4 [ 50.936334][ T4589] FAULT_INJECTION: forcing a failure. [ 50.936334][ T4589] name failslab, interval 1, probability 0, space 0, times 0 [ 50.938422][ T4589] CPU: 1 PID: 4589 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.939885][ T4589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 50.941434][ T4589] Call trace: [ 50.941981][ T4589] dump_backtrace+0x0/0x458 [ 50.942759][ T4589] show_stack+0x2c/0x3c [ 50.943444][ T4589] __dump_stack+0x30/0x40 [ 50.944145][ T4589] dump_stack_lvl+0xf4/0x15c [ 50.944867][ T4589] dump_stack+0x1c/0x5c [ 50.945493][ T4589] should_fail+0x3bc/0x514 [ 50.946196][ T4589] __should_failslab+0xbc/0x10c [ 50.947036][ T4589] should_failslab+0x10/0x28 [ 50.947772][ T4589] slab_pre_alloc_hook+0x64/0xe8 [ 50.948577][ T4589] __kmalloc_track_caller+0x70/0x358 [ 50.949415][ T4589] kstrdup+0xe4/0x15c [ 50.950088][ T4589] kstrdup_const+0x54/0x6c [ 50.950828][ T4589] kvasprintf_const+0x120/0x2e4 [ 50.951640][ T4589] kobject_set_name_vargs+0xd8/0x1c8 [ 50.952518][ T4589] dev_set_name+0xe8/0x13c [ 50.953204][ T4589] device_add_disk+0x258/0xacc [ 50.954015][ T4589] loop_add+0x510/0x6e0 [ 50.954652][ T4589] loop_control_ioctl+0x130/0x4e0 [ 50.955435][ T4589] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.956251][ T4589] invoke_syscall+0x98/0x2b0 [ 50.956978][ T4589] el0_svc_common+0x138/0x258 [ 50.957724][ T4589] do_el0_svc+0x58/0x13c [ 50.958377][ T4589] el0_svc+0x78/0x1d0 [ 50.959013][ T4589] el0t_64_sync_handler+0xcc/0xe4 [ 50.959758][ T4589] el0t_64_sync+0x1a0/0x1a4 [ 50.971099][ T4591] FAULT_INJECTION: forcing a failure. [ 50.971099][ T4591] name failslab, interval 1, probability 0, space 0, times 0 [ 50.973081][ T4591] CPU: 0 PID: 4591 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.974498][ T4591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 50.975964][ T4591] Call trace: [ 50.976466][ T4591] dump_backtrace+0x0/0x458 [ 50.977182][ T4591] show_stack+0x2c/0x3c [ 50.977879][ T4591] __dump_stack+0x30/0x40 [ 50.978561][ T4591] dump_stack_lvl+0xf4/0x15c [ 50.979333][ T4591] dump_stack+0x1c/0x5c [ 50.980043][ T4591] should_fail+0x3bc/0x514 [ 50.980791][ T4591] __should_failslab+0xbc/0x10c [ 50.981616][ T4591] should_failslab+0x10/0x28 [ 50.982364][ T4591] slab_pre_alloc_hook+0x64/0xe8 [ 50.983198][ T4591] kmem_cache_alloc_trace+0x98/0x3ec [ 50.984074][ T4591] device_add+0xbc/0xf90 [ 50.984761][ T4591] device_add_disk+0x2d0/0xacc [ 50.985521][ T4591] loop_add+0x510/0x6e0 [ 50.986211][ T4591] loop_control_ioctl+0x130/0x4e0 [ 50.987083][ T4591] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.987965][ T4591] invoke_syscall+0x98/0x2b0 [ 50.988721][ T4591] el0_svc_common+0x138/0x258 [ 50.989464][ T4591] do_el0_svc+0x58/0x13c [ 50.990212][ T4591] el0_svc+0x78/0x1d0 [ 50.990858][ T4591] el0t_64_sync_handler+0xcc/0xe4 [ 50.991709][ T4591] el0t_64_sync+0x1a0/0x1a4 [ 51.002360][ T4593] FAULT_INJECTION: forcing a failure. [ 51.002360][ T4593] name failslab, interval 1, probability 0, space 0, times 0 [ 51.004419][ T4593] CPU: 1 PID: 4593 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.005862][ T4593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.007419][ T4593] Call trace: [ 51.007933][ T4593] dump_backtrace+0x0/0x458 [ 51.008668][ T4593] show_stack+0x2c/0x3c [ 51.009264][ T4593] __dump_stack+0x30/0x40 [ 51.009918][ T4593] dump_stack_lvl+0xf4/0x15c [ 51.010652][ T4593] dump_stack+0x1c/0x5c [ 51.011308][ T4593] should_fail+0x3bc/0x514 [ 51.011993][ T4593] __should_failslab+0xbc/0x10c [ 51.012738][ T4593] should_failslab+0x10/0x28 [ 51.013407][ T4593] slab_pre_alloc_hook+0x64/0xe8 [ 51.014187][ T4593] kmem_cache_alloc_trace+0x98/0x3ec [ 51.015000][ T4593] device_add+0xbc/0xf90 [ 51.015652][ T4593] device_add_disk+0x2d0/0xacc [ 51.016389][ T4593] loop_add+0x510/0x6e0 [ 51.017028][ T4593] loop_control_ioctl+0x130/0x4e0 [ 51.017831][ T4593] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.018627][ T4593] invoke_syscall+0x98/0x2b0 [ 51.019383][ T4593] el0_svc_common+0x138/0x258 [ 51.020141][ T4593] do_el0_svc+0x58/0x13c [ 51.020811][ T4593] el0_svc+0x78/0x1d0 [ 51.021442][ T4593] el0t_64_sync_handler+0xcc/0xe4 [ 51.022266][ T4593] el0t_64_sync+0x1a0/0x1a4 [ 51.031437][ T4595] FAULT_INJECTION: forcing a failure. [ 51.031437][ T4595] name failslab, interval 1, probability 0, space 0, times 0 [ 51.033478][ T4595] CPU: 1 PID: 4595 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.034979][ T4595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.036569][ T4595] Call trace: [ 51.037041][ T4595] dump_backtrace+0x0/0x458 [ 51.037770][ T4595] show_stack+0x2c/0x3c [ 51.038424][ T4595] __dump_stack+0x30/0x40 [ 51.039090][ T4595] dump_stack_lvl+0xf4/0x15c [ 51.039803][ T4595] dump_stack+0x1c/0x5c [ 51.040516][ T4595] should_fail+0x3bc/0x514 [ 51.041235][ T4595] __should_failslab+0xbc/0x10c [ 51.042047][ T4595] should_failslab+0x10/0x28 [ 51.042791][ T4595] slab_pre_alloc_hook+0x64/0xe8 [ 51.043585][ T4595] kmem_cache_alloc_trace+0x98/0x3ec [ 51.044484][ T4595] device_add+0xbc/0xf90 [ 51.045158][ T4595] device_add_disk+0x2d0/0xacc [ 51.045948][ T4595] loop_add+0x510/0x6e0 [ 51.046650][ T4595] loop_control_ioctl+0x130/0x4e0 [ 51.047496][ T4595] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.048348][ T4595] invoke_syscall+0x98/0x2b0 [ 51.049077][ T4595] el0_svc_common+0x138/0x258 [ 51.049830][ T4595] do_el0_svc+0x58/0x13c [ 51.050549][ T4595] el0_svc+0x78/0x1d0 [ 51.051197][ T4595] el0t_64_sync_handler+0xcc/0xe4 [ 51.052024][ T4595] el0t_64_sync+0x1a0/0x1a4 [ 51.062207][ T4597] FAULT_INJECTION: forcing a failure. [ 51.062207][ T4597] name failslab, interval 1, probability 0, space 0, times 0 [ 51.064175][ T4597] CPU: 1 PID: 4597 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.065585][ T4597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.067141][ T4597] Call trace: [ 51.067679][ T4597] dump_backtrace+0x0/0x458 [ 51.068377][ T4597] show_stack+0x2c/0x3c [ 51.069062][ T4597] __dump_stack+0x30/0x40 [ 51.069748][ T4597] dump_stack_lvl+0xf4/0x15c [ 51.070479][ T4597] dump_stack+0x1c/0x5c [ 51.071134][ T4597] should_fail+0x3bc/0x514 [ 51.071830][ T4597] __should_failslab+0xbc/0x10c [ 51.072632][ T4597] should_failslab+0x10/0x28 [ 51.073365][ T4597] slab_pre_alloc_hook+0x64/0xe8 [ 51.074107][ T4597] __kmalloc_track_caller+0x70/0x358 [ 51.074948][ T4597] kstrdup+0xe4/0x15c [ 51.075658][ T4597] kstrdup_const+0x54/0x6c [ 51.076356][ T4597] kvasprintf_const+0x120/0x2e4 [ 51.077131][ T4597] kobject_set_name_vargs+0xd8/0x1c8 [ 51.078001][ T4597] dev_set_name+0xe8/0x13c [ 51.078698][ T4597] device_add_disk+0x258/0xacc [ 51.079428][ T4597] loop_add+0x510/0x6e0 [ 51.080125][ T4597] loop_control_ioctl+0x130/0x4e0 [ 51.080934][ T4597] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.081717][ T4597] invoke_syscall+0x98/0x2b0 [ 51.082453][ T4597] el0_svc_common+0x138/0x258 [ 51.083218][ T4597] do_el0_svc+0x58/0x13c [ 51.083930][ T4597] el0_svc+0x78/0x1d0 [ 51.084587][ T4597] el0t_64_sync_handler+0xcc/0xe4 [ 51.085357][ T4597] el0t_64_sync+0x1a0/0x1a4 [ 51.095848][ T4599] FAULT_INJECTION: forcing a failure. [ 51.095848][ T4599] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 51.097956][ T4599] CPU: 1 PID: 4599 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.099334][ T4599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.101042][ T4599] Call trace: [ 51.101609][ T4599] dump_backtrace+0x0/0x458 [ 51.102311][ T4599] show_stack+0x2c/0x3c [ 51.103033][ T4599] __dump_stack+0x30/0x40 [ 51.103734][ T4599] dump_stack_lvl+0xf4/0x15c [ 51.104458][ T4599] dump_stack+0x1c/0x5c [ 51.105144][ T4599] should_fail+0x3bc/0x514 [ 51.105902][ T4599] should_fail_alloc_page+0x74/0xa8 [ 51.106780][ T4599] prepare_alloc_pages+0x160/0x45c [ 51.107650][ T4599] __alloc_pages+0x108/0x470 [ 51.108444][ T4599] alloc_pages+0x34c/0x5c0 [ 51.109170][ T4599] new_slab+0xe0/0x544 [ 51.109857][ T4599] ___slab_alloc+0x6b4/0xd8c [ 51.110646][ T4599] __slab_alloc+0x68/0xc0 [ 51.111321][ T4599] kmem_cache_alloc+0x2a4/0x3d4 [ 51.112143][ T4599] bdev_alloc_inode+0x24/0x60 [ 51.112949][ T4599] new_inode_pseudo+0x68/0x1fc [ 51.113669][ T4599] new_inode+0x38/0x174 [ 51.114405][ T4599] bdev_alloc+0x30/0x1f8 [ 51.115085][ T4599] __alloc_disk_node+0xbc/0x450 [ 51.115873][ T4599] __blk_mq_alloc_disk+0xe8/0x154 [ 51.116694][ T4599] loop_add+0x240/0x6e0 [ 51.117389][ T4599] loop_control_ioctl+0x130/0x4e0 [ 51.118218][ T4599] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.118968][ T4599] invoke_syscall+0x98/0x2b0 [ 51.119706][ T4599] el0_svc_common+0x138/0x258 [ 51.120426][ T4599] do_el0_svc+0x58/0x13c [ 51.121060][ T4599] el0_svc+0x78/0x1d0 [ 51.121724][ T4599] el0t_64_sync_handler+0xcc/0xe4 [ 51.122489][ T4599] el0t_64_sync+0x1a0/0x1a4 [ 51.137686][ T4601] FAULT_INJECTION: forcing a failure. [ 51.137686][ T4601] name failslab, interval 1, probability 0, space 0, times 0 [ 51.140190][ T4601] CPU: 1 PID: 4601 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.141632][ T4601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.143231][ T4601] Call trace: [ 51.143793][ T4601] dump_backtrace+0x0/0x458 [ 51.144497][ T4601] show_stack+0x2c/0x3c [ 51.145190][ T4601] __dump_stack+0x30/0x40 [ 51.145886][ T4601] dump_stack_lvl+0xf4/0x15c [ 51.146583][ T4601] dump_stack+0x1c/0x5c [ 51.147239][ T4601] should_fail+0x3bc/0x514 [ 51.147974][ T4601] __should_failslab+0xbc/0x10c [ 51.148760][ T4601] should_failslab+0x10/0x28 [ 51.149499][ T4601] slab_pre_alloc_hook+0x64/0xe8 [ 51.150312][ T4601] kmem_cache_alloc_trace+0x98/0x3ec [ 51.151141][ T4601] rand_initialize_disk+0x58/0xb8 [ 51.151918][ T4601] __alloc_disk_node+0x2a8/0x450 [ 51.152688][ T4601] __blk_mq_alloc_disk+0xe8/0x154 [ 51.153512][ T4601] loop_add+0x240/0x6e0 [ 51.154172][ T4601] loop_control_ioctl+0x130/0x4e0 [ 51.154968][ T4601] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.155853][ T4601] invoke_syscall+0x98/0x2b0 [ 51.156637][ T4601] el0_svc_common+0x138/0x258 [ 51.157425][ T4601] do_el0_svc+0x58/0x13c [ 51.158146][ T4601] el0_svc+0x78/0x1d0 [ 51.158821][ T4601] el0t_64_sync_handler+0xcc/0xe4 [ 51.159647][ T4601] el0t_64_sync+0x1a0/0x1a4 [ 51.173289][ T4603] FAULT_INJECTION: forcing a failure. [ 51.173289][ T4603] name failslab, interval 1, probability 0, space 0, times 0 [ 51.175387][ T4603] CPU: 0 PID: 4603 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.176761][ T4603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.178317][ T4603] Call trace: [ 51.178858][ T4603] dump_backtrace+0x0/0x458 [ 51.179633][ T4603] show_stack+0x2c/0x3c [ 51.180318][ T4603] __dump_stack+0x30/0x40 [ 51.181021][ T4603] dump_stack_lvl+0xf4/0x15c [ 51.181774][ T4603] dump_stack+0x1c/0x5c [ 51.182431][ T4603] should_fail+0x3bc/0x514 [ 51.183094][ T4603] __should_failslab+0xbc/0x10c [ 51.183850][ T4603] should_failslab+0x10/0x28 [ 51.184662][ T4603] slab_pre_alloc_hook+0x64/0xe8 [ 51.185451][ T4603] __kmalloc_track_caller+0x70/0x358 [ 51.186293][ T4603] kstrdup+0xe4/0x15c [ 51.186967][ T4603] kstrdup_const+0x54/0x6c [ 51.187688][ T4603] kvasprintf_const+0x120/0x2e4 [ 51.188522][ T4603] kobject_set_name_vargs+0xd8/0x1c8 [ 51.189380][ T4603] dev_set_name+0xe8/0x13c [ 51.190078][ T4603] device_add_disk+0x258/0xacc [ 51.190874][ T4603] loop_add+0x510/0x6e0 [ 51.191530][ T4603] loop_control_ioctl+0x130/0x4e0 [ 51.192389][ T4603] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.193188][ T4603] invoke_syscall+0x98/0x2b0 [ 51.193944][ T4603] el0_svc_common+0x138/0x258 [ 51.194741][ T4603] do_el0_svc+0x58/0x13c [ 51.195450][ T4603] el0_svc+0x78/0x1d0 [ 51.196121][ T4603] el0t_64_sync_handler+0xcc/0xe4 [ 51.196964][ T4603] el0t_64_sync+0x1a0/0x1a4 [ 51.207432][ T4605] FAULT_INJECTION: forcing a failure. [ 51.207432][ T4605] name failslab, interval 1, probability 0, space 0, times 0 [ 51.209784][ T4605] CPU: 1 PID: 4605 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.211186][ T4605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.212695][ T4605] Call trace: [ 51.213164][ T4605] dump_backtrace+0x0/0x458 [ 51.213882][ T4605] show_stack+0x2c/0x3c [ 51.214595][ T4605] __dump_stack+0x30/0x40 [ 51.215267][ T4605] dump_stack_lvl+0xf4/0x15c [ 51.216027][ T4605] dump_stack+0x1c/0x5c [ 51.216746][ T4605] should_fail+0x3bc/0x514 [ 51.217477][ T4605] __should_failslab+0xbc/0x10c [ 51.218292][ T4605] should_failslab+0x10/0x28 [ 51.219032][ T4605] slab_pre_alloc_hook+0x64/0xe8 [ 51.219794][ T4605] __kmalloc_track_caller+0x70/0x358 [ 51.220600][ T4605] kstrdup+0xe4/0x15c [ 51.221288][ T4605] kstrdup_const+0x54/0x6c [ 51.221966][ T4605] kvasprintf_const+0x120/0x2e4 [ 51.222725][ T4605] kobject_set_name_vargs+0xd8/0x1c8 [ 51.223653][ T4605] dev_set_name+0xe8/0x13c [ 51.224402][ T4605] device_add_disk+0x258/0xacc [ 51.225137][ T4605] loop_add+0x510/0x6e0 [ 51.225839][ T4605] loop_control_ioctl+0x130/0x4e0 [ 51.226650][ T4605] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.227436][ T4605] invoke_syscall+0x98/0x2b0 [ 51.228161][ T4605] el0_svc_common+0x138/0x258 [ 51.228868][ T4605] do_el0_svc+0x58/0x13c [ 51.229575][ T4605] el0_svc+0x78/0x1d0 [ 51.230213][ T4605] el0t_64_sync_handler+0xcc/0xe4 [ 51.231073][ T4605] el0t_64_sync+0x1a0/0x1a4 [ 51.240328][ T4607] FAULT_INJECTION: forcing a failure. [ 51.240328][ T4607] name failslab, interval 1, probability 0, space 0, times 0 [ 51.242449][ T4607] CPU: 1 PID: 4607 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.243875][ T4607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.245446][ T4607] Call trace: [ 51.245943][ T4607] dump_backtrace+0x0/0x458 [ 51.246656][ T4607] show_stack+0x2c/0x3c [ 51.247323][ T4607] __dump_stack+0x30/0x40 [ 51.247974][ T4607] dump_stack_lvl+0xf4/0x15c [ 51.248716][ T4607] dump_stack+0x1c/0x5c [ 51.249410][ T4607] should_fail+0x3bc/0x514 [ 51.250134][ T4607] __should_failslab+0xbc/0x10c [ 51.250899][ T4607] should_failslab+0x10/0x28 [ 51.251613][ T4607] slab_pre_alloc_hook+0x64/0xe8 [ 51.252404][ T4607] kmem_cache_alloc_trace+0x98/0x3ec [ 51.253217][ T4607] rand_initialize_disk+0x58/0xb8 [ 51.254052][ T4607] __alloc_disk_node+0x2a8/0x450 [ 51.254849][ T4607] __blk_mq_alloc_disk+0xe8/0x154 [ 51.255683][ T4607] loop_add+0x240/0x6e0 [ 51.256353][ T4607] loop_control_ioctl+0x130/0x4e0 [ 51.257160][ T4607] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.257941][ T4607] invoke_syscall+0x98/0x2b0 [ 51.258711][ T4607] el0_svc_common+0x138/0x258 [ 51.259479][ T4607] do_el0_svc+0x58/0x13c [ 51.260173][ T4607] el0_svc+0x78/0x1d0 [ 51.260806][ T4607] el0t_64_sync_handler+0xcc/0xe4 [ 51.261588][ T4607] el0t_64_sync+0x1a0/0x1a4 [ 51.272983][ T4609] FAULT_INJECTION: forcing a failure. [ 51.272983][ T4609] name failslab, interval 1, probability 0, space 0, times 0 [ 51.275030][ T4609] CPU: 1 PID: 4609 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.276498][ T4609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.278072][ T4609] Call trace: [ 51.278579][ T4609] dump_backtrace+0x0/0x458 [ 51.279306][ T4609] show_stack+0x2c/0x3c [ 51.279946][ T4609] __dump_stack+0x30/0x40 [ 51.280683][ T4609] dump_stack_lvl+0xf4/0x15c [ 51.281461][ T4609] dump_stack+0x1c/0x5c [ 51.282162][ T4609] should_fail+0x3bc/0x514 [ 51.282909][ T4609] __should_failslab+0xbc/0x10c [ 51.283683][ T4609] should_failslab+0x10/0x28 [ 51.284445][ T4609] slab_pre_alloc_hook+0x64/0xe8 [ 51.285227][ T4609] __kmalloc_track_caller+0x70/0x358 [ 51.286009][ T4609] kstrdup+0xe4/0x15c [ 51.286617][ T4609] kstrdup_const+0x54/0x6c [ 51.287314][ T4609] kvasprintf_const+0x120/0x2e4 [ 51.288137][ T4609] kobject_set_name_vargs+0xd8/0x1c8 [ 51.289018][ T4609] dev_set_name+0xe8/0x13c [ 51.289769][ T4609] device_add_disk+0x258/0xacc [ 51.290514][ T4609] loop_add+0x510/0x6e0 [ 51.291157][ T4609] loop_control_ioctl+0x130/0x4e0 [ 51.291982][ T4609] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.292776][ T4609] invoke_syscall+0x98/0x2b0 [ 51.293519][ T4609] el0_svc_common+0x138/0x258 [ 51.294297][ T4609] do_el0_svc+0x58/0x13c [ 51.294981][ T4609] el0_svc+0x78/0x1d0 [ 51.295623][ T4609] el0t_64_sync_handler+0xcc/0xe4 [ 51.296474][ T4609] el0t_64_sync+0x1a0/0x1a4 [ 51.309084][ T4611] FAULT_INJECTION: forcing a failure. [ 51.309084][ T4611] name failslab, interval 1, probability 0, space 0, times 0 [ 51.311218][ T4611] CPU: 1 PID: 4611 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.312722][ T4611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.314360][ T4611] Call trace: [ 51.314866][ T4611] dump_backtrace+0x0/0x458 [ 51.315624][ T4611] show_stack+0x2c/0x3c [ 51.316306][ T4611] __dump_stack+0x30/0x40 [ 51.317001][ T4611] dump_stack_lvl+0xf4/0x15c [ 51.317726][ T4611] dump_stack+0x1c/0x5c [ 51.318366][ T4611] should_fail+0x3bc/0x514 [ 51.319142][ T4611] __should_failslab+0xbc/0x10c [ 51.319947][ T4611] should_failslab+0x10/0x28 [ 51.320713][ T4611] slab_pre_alloc_hook+0x64/0xe8 [ 51.321533][ T4611] kmem_cache_alloc_trace+0x98/0x3ec [ 51.322410][ T4611] device_add+0xbc/0xf90 [ 51.323113][ T4611] device_add_disk+0x2d0/0xacc [ 51.323908][ T4611] loop_add+0x510/0x6e0 [ 51.324594][ T4611] loop_control_ioctl+0x130/0x4e0 [ 51.325429][ T4611] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.326235][ T4611] invoke_syscall+0x98/0x2b0 [ 51.326988][ T4611] el0_svc_common+0x138/0x258 [ 51.327762][ T4611] do_el0_svc+0x58/0x13c [ 51.328488][ T4611] el0_svc+0x78/0x1d0 [ 51.329169][ T4611] el0t_64_sync_handler+0xcc/0xe4 [ 51.329939][ T4611] el0t_64_sync+0x1a0/0x1a4 [ 51.338563][ T4613] FAULT_INJECTION: forcing a failure. [ 51.338563][ T4613] name failslab, interval 1, probability 0, space 0, times 0 [ 51.340949][ T4613] CPU: 1 PID: 4613 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.342465][ T4613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.344051][ T4613] Call trace: [ 51.344563][ T4613] dump_backtrace+0x0/0x458 [ 51.345291][ T4613] show_stack+0x2c/0x3c [ 51.345939][ T4613] __dump_stack+0x30/0x40 [ 51.346644][ T4613] dump_stack_lvl+0xf4/0x15c [ 51.347357][ T4613] dump_stack+0x1c/0x5c [ 51.347973][ T4613] should_fail+0x3bc/0x514 [ 51.348724][ T4613] __should_failslab+0xbc/0x10c [ 51.349567][ T4613] should_failslab+0x10/0x28 [ 51.350314][ T4613] slab_pre_alloc_hook+0x64/0xe8 [ 51.351095][ T4613] kmem_cache_alloc_trace+0x98/0x3ec [ 51.351983][ T4613] device_add+0xbc/0xf90 [ 51.352631][ T4613] device_add_disk+0x2d0/0xacc [ 51.353381][ T4613] loop_add+0x510/0x6e0 [ 51.354061][ T4613] loop_control_ioctl+0x130/0x4e0 [ 51.354878][ T4613] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.355658][ T4613] invoke_syscall+0x98/0x2b0 [ 51.356416][ T4613] el0_svc_common+0x138/0x258 [ 51.357154][ T4613] do_el0_svc+0x58/0x13c [ 51.357828][ T4613] el0_svc+0x78/0x1d0 [ 51.358453][ T4613] el0t_64_sync_handler+0xcc/0xe4 [ 51.359316][ T4613] el0t_64_sync+0x1a0/0x1a4 [ 51.370102][ T4615] FAULT_INJECTION: forcing a failure. [ 51.370102][ T4615] name failslab, interval 1, probability 0, space 0, times 0 [ 51.372351][ T4615] CPU: 0 PID: 4615 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.373822][ T4615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.375535][ T4615] Call trace: [ 51.376065][ T4615] dump_backtrace+0x0/0x458 [ 51.376898][ T4615] show_stack+0x2c/0x3c [ 51.377558][ T4615] __dump_stack+0x30/0x40 [ 51.378321][ T4615] dump_stack_lvl+0xf4/0x15c [ 51.379102][ T4615] dump_stack+0x1c/0x5c [ 51.379827][ T4615] should_fail+0x3bc/0x514 [ 51.380558][ T4615] __should_failslab+0xbc/0x10c [ 51.381338][ T4615] should_failslab+0x10/0x28 [ 51.382129][ T4615] slab_pre_alloc_hook+0x64/0xe8 [ 51.382977][ T4615] kmem_cache_alloc_trace+0x98/0x3ec [ 51.383821][ T4615] rand_initialize_disk+0x58/0xb8 [ 51.384613][ T4615] __alloc_disk_node+0x2a8/0x450 [ 51.385396][ T4615] __blk_mq_alloc_disk+0xe8/0x154 [ 51.386240][ T4615] loop_add+0x240/0x6e0 [ 51.386936][ T4615] loop_control_ioctl+0x130/0x4e0 [ 51.387812][ T4615] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.388677][ T4615] invoke_syscall+0x98/0x2b0 [ 51.389446][ T4615] el0_svc_common+0x138/0x258 [ 51.390175][ T4615] do_el0_svc+0x58/0x13c [ 51.390890][ T4615] el0_svc+0x78/0x1d0 [ 51.391540][ T4615] el0t_64_sync_handler+0xcc/0xe4 [ 51.392317][ T4615] el0t_64_sync+0x1a0/0x1a4 [ 51.404736][ T4617] FAULT_INJECTION: forcing a failure. [ 51.404736][ T4617] name failslab, interval 1, probability 0, space 0, times 0 [ 51.406805][ T4617] CPU: 1 PID: 4617 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.408209][ T4617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.409876][ T4617] Call trace: [ 51.410415][ T4617] dump_backtrace+0x0/0x458 [ 51.411190][ T4617] show_stack+0x2c/0x3c [ 51.411860][ T4617] __dump_stack+0x30/0x40 [ 51.412543][ T4617] dump_stack_lvl+0xf4/0x15c [ 51.413304][ T4617] dump_stack+0x1c/0x5c [ 51.414024][ T4617] should_fail+0x3bc/0x514 [ 51.414716][ T4617] __should_failslab+0xbc/0x10c [ 51.415479][ T4617] should_failslab+0x10/0x28 [ 51.416179][ T4617] slab_pre_alloc_hook+0x64/0xe8 [ 51.416981][ T4617] kmem_cache_alloc_trace+0x98/0x3ec [ 51.417803][ T4617] device_add+0xbc/0xf90 [ 51.418484][ T4617] device_add_disk+0x2d0/0xacc [ 51.419298][ T4617] loop_add+0x510/0x6e0 [ 51.419970][ T4617] loop_control_ioctl+0x130/0x4e0 [ 51.420738][ T4617] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.421572][ T4617] invoke_syscall+0x98/0x2b0 [ 51.422282][ T4617] el0_svc_common+0x138/0x258 [ 51.422987][ T4617] do_el0_svc+0x58/0x13c [ 51.423635][ T4617] el0_svc+0x78/0x1d0 [ 51.424250][ T4617] el0t_64_sync_handler+0xcc/0xe4 [ 51.425014][ T4617] el0t_64_sync+0x1a0/0x1a4 [ 51.434533][ T4619] FAULT_INJECTION: forcing a failure. [ 51.434533][ T4619] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 51.436750][ T4619] CPU: 1 PID: 4619 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.438201][ T4619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.439756][ T4619] Call trace: [ 51.440274][ T4619] dump_backtrace+0x0/0x458 [ 51.440992][ T4619] show_stack+0x2c/0x3c [ 51.441666][ T4619] __dump_stack+0x30/0x40 [ 51.442320][ T4619] dump_stack_lvl+0xf4/0x15c [ 51.443053][ T4619] dump_stack+0x1c/0x5c [ 51.443687][ T4619] should_fail+0x3bc/0x514 [ 51.444452][ T4619] should_fail_alloc_page+0x74/0xa8 [ 51.445339][ T4619] prepare_alloc_pages+0x160/0x45c [ 51.446185][ T4619] __alloc_pages+0x108/0x470 [ 51.446951][ T4619] alloc_pages+0x34c/0x5c0 [ 51.447709][ T4619] new_slab+0xe0/0x544 [ 51.448361][ T4619] ___slab_alloc+0x6b4/0xd8c [ 51.449092][ T4619] __slab_alloc+0x68/0xc0 [ 51.449792][ T4619] __kmalloc_track_caller+0x25c/0x358 [ 51.450626][ T4619] kstrdup+0xe4/0x15c [ 51.451249][ T4619] kstrdup_const+0x54/0x6c [ 51.451969][ T4619] kvasprintf_const+0x120/0x2e4 [ 51.452757][ T4619] kobject_set_name_vargs+0xd8/0x1c8 [ 51.453595][ T4619] dev_set_name+0xe8/0x13c [ 51.454333][ T4619] device_add_disk+0x258/0xacc [ 51.455120][ T4619] loop_add+0x510/0x6e0 [ 51.455768][ T4619] loop_control_ioctl+0x130/0x4e0 [ 51.456617][ T4619] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.457456][ T4619] invoke_syscall+0x98/0x2b0 [ 51.458187][ T4619] el0_svc_common+0x138/0x258 [ 51.458994][ T4619] do_el0_svc+0x58/0x13c [ 51.459709][ T4619] el0_svc+0x78/0x1d0 [ 51.460360][ T4619] el0t_64_sync_handler+0xcc/0xe4 [ 51.461136][ T4619] el0t_64_sync+0x1a0/0x1a4 [ 51.474406][ T4621] FAULT_INJECTION: forcing a failure. [ 51.474406][ T4621] name failslab, interval 1, probability 0, space 0, times 0 [ 51.476465][ T4621] CPU: 1 PID: 4621 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.477931][ T4621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.479576][ T4621] Call trace: [ 51.480068][ T4621] dump_backtrace+0x0/0x458 [ 51.480763][ T4621] show_stack+0x2c/0x3c [ 51.481426][ T4621] __dump_stack+0x30/0x40 [ 51.482144][ T4621] dump_stack_lvl+0xf4/0x15c [ 51.482885][ T4621] dump_stack+0x1c/0x5c [ 51.483563][ T4621] should_fail+0x3bc/0x514 [ 51.484240][ T4621] __should_failslab+0xbc/0x10c [ 51.484993][ T4621] should_failslab+0x10/0x28 [ 51.485785][ T4621] slab_pre_alloc_hook+0x64/0xe8 [ 51.486542][ T4621] kmem_cache_alloc_trace+0x98/0x3ec [ 51.487435][ T4621] device_add+0xbc/0xf90 [ 51.488177][ T4621] device_add_disk+0x2d0/0xacc [ 51.488945][ T4621] loop_add+0x510/0x6e0 [ 51.489598][ T4621] loop_control_ioctl+0x130/0x4e0 [ 51.490447][ T4621] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.491248][ T4621] invoke_syscall+0x98/0x2b0 [ 51.492001][ T4621] el0_svc_common+0x138/0x258 [ 51.492785][ T4621] do_el0_svc+0x58/0x13c [ 51.493501][ T4621] el0_svc+0x78/0x1d0 [ 51.494186][ T4621] el0t_64_sync_handler+0xcc/0xe4 [ 51.494998][ T4621] el0t_64_sync+0x1a0/0x1a4 [ 51.504032][ T4623] FAULT_INJECTION: forcing a failure. [ 51.504032][ T4623] name failslab, interval 1, probability 0, space 0, times 0 [ 51.506085][ T4623] CPU: 1 PID: 4623 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.507509][ T4623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.509141][ T4623] Call trace: [ 51.509694][ T4623] dump_backtrace+0x0/0x458 [ 51.510449][ T4623] show_stack+0x2c/0x3c [ 51.511133][ T4623] __dump_stack+0x30/0x40 [ 51.511795][ T4623] dump_stack_lvl+0xf4/0x15c [ 51.512528][ T4623] dump_stack+0x1c/0x5c [ 51.513205][ T4623] should_fail+0x3bc/0x514 [ 51.513946][ T4623] __should_failslab+0xbc/0x10c [ 51.514723][ T4623] should_failslab+0x10/0x28 [ 51.515440][ T4623] slab_pre_alloc_hook+0x64/0xe8 [ 51.516210][ T4623] __kmalloc_track_caller+0x70/0x358 [ 51.517032][ T4623] kstrdup+0xe4/0x15c [ 51.517664][ T4623] kstrdup_const+0x54/0x6c [ 51.518418][ T4623] kvasprintf_const+0x120/0x2e4 [ 51.519184][ T4623] kobject_set_name_vargs+0xd8/0x1c8 [ 51.520049][ T4623] dev_set_name+0xe8/0x13c [ 51.520745][ T4623] device_add_disk+0x258/0xacc [ 51.521516][ T4623] loop_add+0x510/0x6e0 [ 51.522191][ T4623] loop_control_ioctl+0x130/0x4e0 [ 51.522987][ T4623] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.523735][ T4623] invoke_syscall+0x98/0x2b0 [ 51.524491][ T4623] el0_svc_common+0x138/0x258 [ 51.525257][ T4623] do_el0_svc+0x58/0x13c [ 51.525871][ T4623] el0_svc+0x78/0x1d0 [ 51.526473][ T4623] el0t_64_sync_handler+0xcc/0xe4 [ 51.527271][ T4623] el0t_64_sync+0x1a0/0x1a4 [ 51.537536][ T4625] FAULT_INJECTION: forcing a failure. [ 51.537536][ T4625] name failslab, interval 1, probability 0, space 0, times 0 [ 51.539643][ T4625] CPU: 0 PID: 4625 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.541092][ T4625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.542765][ T4625] Call trace: [ 51.543279][ T4625] dump_backtrace+0x0/0x458 [ 51.543987][ T4625] show_stack+0x2c/0x3c [ 51.544676][ T4625] __dump_stack+0x30/0x40 [ 51.545393][ T4625] dump_stack_lvl+0xf4/0x15c [ 51.546105][ T4625] dump_stack+0x1c/0x5c [ 51.546857][ T4625] should_fail+0x3bc/0x514 [ 51.547587][ T4625] __should_failslab+0xbc/0x10c [ 51.548416][ T4625] should_failslab+0x10/0x28 [ 51.549143][ T4625] slab_pre_alloc_hook+0x64/0xe8 [ 51.549988][ T4625] __kmalloc_track_caller+0x70/0x358 [ 51.550842][ T4625] kstrdup+0xe4/0x15c [ 51.551491][ T4625] kstrdup_const+0x54/0x6c [ 51.552191][ T4625] kvasprintf_const+0x120/0x2e4 [ 51.552985][ T4625] kobject_set_name_vargs+0xd8/0x1c8 [ 51.553861][ T4625] dev_set_name+0xe8/0x13c [ 51.554555][ T4625] device_add_disk+0x258/0xacc [ 51.555346][ T4625] loop_add+0x510/0x6e0 [ 51.556009][ T4625] loop_control_ioctl+0x130/0x4e0 [ 51.556871][ T4625] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.557695][ T4625] invoke_syscall+0x98/0x2b0 [ 51.558498][ T4625] el0_svc_common+0x138/0x258 [ 51.559294][ T4625] do_el0_svc+0x58/0x13c [ 51.560008][ T4625] el0_svc+0x78/0x1d0 [ 51.560693][ T4625] el0t_64_sync_handler+0xcc/0xe4 [ 51.561556][ T4625] el0t_64_sync+0x1a0/0x1a4 [ 51.570968][ T4627] FAULT_INJECTION: forcing a failure. [ 51.570968][ T4627] name failslab, interval 1, probability 0, space 0, times 0 [ 51.573077][ T4627] CPU: 1 PID: 4627 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.574494][ T4627] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.576058][ T4627] Call trace: [ 51.576549][ T4627] dump_backtrace+0x0/0x458 [ 51.577314][ T4627] show_stack+0x2c/0x3c [ 51.577944][ T4627] __dump_stack+0x30/0x40 [ 51.578680][ T4627] dump_stack_lvl+0xf4/0x15c [ 51.579415][ T4627] dump_stack+0x1c/0x5c [ 51.580096][ T4627] should_fail+0x3bc/0x514 [ 51.580828][ T4627] __should_failslab+0xbc/0x10c [ 51.581639][ T4627] should_failslab+0x10/0x28 [ 51.582331][ T4627] slab_pre_alloc_hook+0x64/0xe8 [ 51.583136][ T4627] kmem_cache_alloc+0x94/0x3d4 [ 51.583896][ T4627] security_inode_alloc+0x38/0x11c [ 51.584731][ T4627] inode_init_always+0x670/0xa84 [ 51.585566][ T4627] new_inode_pseudo+0x7c/0x1fc [ 51.586362][ T4627] new_inode+0x38/0x174 [ 51.587076][ T4627] bdev_alloc+0x30/0x1f8 [ 51.587791][ T4627] __alloc_disk_node+0xbc/0x450 [ 51.588590][ T4627] __blk_mq_alloc_disk+0xe8/0x154 [ 51.589416][ T4627] loop_add+0x240/0x6e0 [ 51.590141][ T4627] loop_control_ioctl+0x130/0x4e0 [ 51.590963][ T4627] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.591786][ T4627] invoke_syscall+0x98/0x2b0 [ 51.592568][ T4627] el0_svc_common+0x138/0x258 [ 51.593341][ T4627] do_el0_svc+0x58/0x13c [ 51.594055][ T4627] el0_svc+0x78/0x1d0 [ 51.594694][ T4627] el0t_64_sync_handler+0xcc/0xe4 [ 51.595541][ T4627] el0t_64_sync+0x1a0/0x1a4 [ 51.605371][ T4629] FAULT_INJECTION: forcing a failure. [ 51.605371][ T4629] name failslab, interval 1, probability 0, space 0, times 0 [ 51.607596][ T4629] CPU: 0 PID: 4629 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.608977][ T4629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.610671][ T4629] Call trace: [ 51.611200][ T4629] dump_backtrace+0x0/0x458 [ 51.611933][ T4629] show_stack+0x2c/0x3c [ 51.612589][ T4629] __dump_stack+0x30/0x40 [ 51.613318][ T4629] dump_stack_lvl+0xf4/0x15c [ 51.614030][ T4629] dump_stack+0x1c/0x5c [ 51.614658][ T4629] should_fail+0x3bc/0x514 [ 51.615329][ T4629] __should_failslab+0xbc/0x10c [ 51.616079][ T4629] should_failslab+0x10/0x28 [ 51.616810][ T4629] slab_pre_alloc_hook+0x64/0xe8 [ 51.617563][ T4629] __kmalloc_track_caller+0x70/0x358 [ 51.618435][ T4629] kstrdup+0xe4/0x15c [ 51.619122][ T4629] kstrdup_const+0x54/0x6c [ 51.619840][ T4629] kvasprintf_const+0x120/0x2e4 [ 51.620630][ T4629] kobject_set_name_vargs+0xd8/0x1c8 [ 51.621509][ T4629] dev_set_name+0xe8/0x13c [ 51.622263][ T4629] device_add_disk+0x258/0xacc [ 51.623073][ T4629] loop_add+0x510/0x6e0 [ 51.623769][ T4629] loop_control_ioctl+0x130/0x4e0 [ 51.624635][ T4629] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.625489][ T4629] invoke_syscall+0x98/0x2b0 [ 51.626282][ T4629] el0_svc_common+0x138/0x258 [ 51.627074][ T4629] do_el0_svc+0x58/0x13c [ 51.627767][ T4629] el0_svc+0x78/0x1d0 [ 51.628400][ T4629] el0t_64_sync_handler+0xcc/0xe4 [ 51.629282][ T4629] el0t_64_sync+0x1a0/0x1a4 [ 51.638199][ T4631] FAULT_INJECTION: forcing a failure. [ 51.638199][ T4631] name failslab, interval 1, probability 0, space 0, times 0 [ 51.640396][ T4631] CPU: 1 PID: 4631 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.641808][ T4631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.643344][ T4631] Call trace: [ 51.643886][ T4631] dump_backtrace+0x0/0x458 [ 51.644575][ T4631] show_stack+0x2c/0x3c [ 51.645251][ T4631] __dump_stack+0x30/0x40 [ 51.645894][ T4631] dump_stack_lvl+0xf4/0x15c [ 51.646603][ T4631] dump_stack+0x1c/0x5c [ 51.647235][ T4631] should_fail+0x3bc/0x514 [ 51.647934][ T4631] __should_failslab+0xbc/0x10c [ 51.648682][ T4631] should_failslab+0x10/0x28 [ 51.649398][ T4631] slab_pre_alloc_hook+0x64/0xe8 [ 51.650160][ T4631] __kmalloc_track_caller+0x70/0x358 [ 51.650995][ T4631] kstrdup+0xe4/0x15c [ 51.651656][ T4631] kstrdup_const+0x54/0x6c [ 51.652424][ T4631] kvasprintf_const+0x120/0x2e4 [ 51.653219][ T4631] kobject_set_name_vargs+0xd8/0x1c8 [ 51.654044][ T4631] dev_set_name+0xe8/0x13c [ 51.654738][ T4631] device_add_disk+0x258/0xacc [ 51.655469][ T4631] loop_add+0x510/0x6e0 [ 51.656221][ T4631] loop_control_ioctl+0x130/0x4e0 [ 51.657027][ T4631] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.657798][ T4631] invoke_syscall+0x98/0x2b0 [ 51.658590][ T4631] el0_svc_common+0x138/0x258 [ 51.659364][ T4631] do_el0_svc+0x58/0x13c [ 51.660079][ T4631] el0_svc+0x78/0x1d0 [ 51.660725][ T4631] el0t_64_sync_handler+0xcc/0xe4 [ 51.661561][ T4631] el0t_64_sync+0x1a0/0x1a4 [ 51.671067][ T4633] FAULT_INJECTION: forcing a failure. [ 51.671067][ T4633] name failslab, interval 1, probability 0, space 0, times 0 [ 51.673190][ T4633] CPU: 0 PID: 4633 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.674600][ T4633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.676155][ T4633] Call trace: [ 51.676651][ T4633] dump_backtrace+0x0/0x458 [ 51.677378][ T4633] show_stack+0x2c/0x3c [ 51.677997][ T4633] __dump_stack+0x30/0x40 [ 51.678654][ T4633] dump_stack_lvl+0xf4/0x15c [ 51.679367][ T4633] dump_stack+0x1c/0x5c [ 51.680020][ T4633] should_fail+0x3bc/0x514 [ 51.680742][ T4633] __should_failslab+0xbc/0x10c [ 51.681631][ T4633] should_failslab+0x10/0x28 [ 51.682375][ T4633] slab_pre_alloc_hook+0x64/0xe8 [ 51.683203][ T4633] __kmalloc_track_caller+0x70/0x358 [ 51.684064][ T4633] kstrdup+0xe4/0x15c [ 51.684724][ T4633] kstrdup_const+0x54/0x6c [ 51.685480][ T4633] kvasprintf_const+0x120/0x2e4 [ 51.686315][ T4633] kobject_set_name_vargs+0xd8/0x1c8 [ 51.687200][ T4633] dev_set_name+0xe8/0x13c [ 51.687961][ T4633] device_add_disk+0x258/0xacc [ 51.688738][ T4633] loop_add+0x510/0x6e0 [ 51.689447][ T4633] loop_control_ioctl+0x130/0x4e0 [ 51.690242][ T4633] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.691094][ T4633] invoke_syscall+0x98/0x2b0 [ 51.691864][ T4633] el0_svc_common+0x138/0x258 [ 51.692599][ T4633] do_el0_svc+0x58/0x13c [ 51.693287][ T4633] el0_svc+0x78/0x1d0 [ 51.693898][ T4633] el0t_64_sync_handler+0xcc/0xe4 [ 51.694688][ T4633] el0t_64_sync+0x1a0/0x1a4 [ 51.704303][ T4635] FAULT_INJECTION: forcing a failure. [ 51.704303][ T4635] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 51.706522][ T4635] CPU: 0 PID: 4635 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.707946][ T4635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.709648][ T4635] Call trace: [ 51.710206][ T4635] dump_backtrace+0x0/0x458 [ 51.710960][ T4635] show_stack+0x2c/0x3c [ 51.711616][ T4635] __dump_stack+0x30/0x40 [ 51.712307][ T4635] dump_stack_lvl+0xf4/0x15c [ 51.713040][ T4635] dump_stack+0x1c/0x5c [ 51.713694][ T4635] should_fail+0x3bc/0x514 [ 51.714394][ T4635] should_fail_alloc_page+0x74/0xa8 [ 51.715237][ T4635] prepare_alloc_pages+0x160/0x45c [ 51.715996][ T4635] __alloc_pages+0x108/0x470 [ 51.716723][ T4635] alloc_pages+0x34c/0x5c0 [ 51.717418][ T4635] new_slab+0xe0/0x544 [ 51.718092][ T4635] ___slab_alloc+0x6b4/0xd8c [ 51.718820][ T4635] __slab_alloc+0x68/0xc0 [ 51.719518][ T4635] kmem_cache_alloc+0x2a4/0x3d4 [ 51.720315][ T4635] bdev_alloc_inode+0x24/0x60 [ 51.721054][ T4635] new_inode_pseudo+0x68/0x1fc [ 51.721801][ T4635] new_inode+0x38/0x174 [ 51.722449][ T4635] bdev_alloc+0x30/0x1f8 [ 51.723146][ T4635] __alloc_disk_node+0xbc/0x450 [ 51.723958][ T4635] __blk_mq_alloc_disk+0xe8/0x154 [ 51.724863][ T4635] loop_add+0x240/0x6e0 [ 51.725571][ T4635] loop_control_ioctl+0x130/0x4e0 [ 51.726422][ T4635] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.727241][ T4635] invoke_syscall+0x98/0x2b0 [ 51.728051][ T4635] el0_svc_common+0x138/0x258 [ 51.728851][ T4635] do_el0_svc+0x58/0x13c [ 51.729591][ T4635] el0_svc+0x78/0x1d0 [ 51.730256][ T4635] el0t_64_sync_handler+0xcc/0xe4 [ 51.731119][ T4635] el0t_64_sync+0x1a0/0x1a4 [ 51.743045][ T4637] FAULT_INJECTION: forcing a failure. [ 51.743045][ T4637] name failslab, interval 1, probability 0, space 0, times 0 [ 51.745188][ T4637] CPU: 0 PID: 4637 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.746621][ T4637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.748198][ T4637] Call trace: [ 51.748728][ T4637] dump_backtrace+0x0/0x458 [ 51.749454][ T4637] show_stack+0x2c/0x3c [ 51.750129][ T4637] __dump_stack+0x30/0x40 [ 51.750833][ T4637] dump_stack_lvl+0xf4/0x15c [ 51.751641][ T4637] dump_stack+0x1c/0x5c [ 51.752361][ T4637] should_fail+0x3bc/0x514 [ 51.753075][ T4637] __should_failslab+0xbc/0x10c [ 51.753846][ T4637] should_failslab+0x10/0x28 [ 51.754601][ T4637] slab_pre_alloc_hook+0x64/0xe8 [ 51.755452][ T4637] kmem_cache_alloc_trace+0x98/0x3ec [ 51.756363][ T4637] device_add+0xbc/0xf90 [ 51.757062][ T4637] device_add_disk+0x2d0/0xacc [ 51.757877][ T4637] loop_add+0x510/0x6e0 [ 51.758533][ T4637] loop_control_ioctl+0x130/0x4e0 [ 51.759328][ T4637] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.760104][ T4637] invoke_syscall+0x98/0x2b0 [ 51.760875][ T4637] el0_svc_common+0x138/0x258 [ 51.761655][ T4637] do_el0_svc+0x58/0x13c [ 51.762393][ T4637] el0_svc+0x78/0x1d0 [ 51.763091][ T4637] el0t_64_sync_handler+0xcc/0xe4 [ 51.763993][ T4637] el0t_64_sync+0x1a0/0x1a4 [ 51.772944][ T4639] FAULT_INJECTION: forcing a failure. [ 51.772944][ T4639] name failslab, interval 1, probability 0, space 0, times 0 [ 51.775026][ T4639] CPU: 1 PID: 4639 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.776444][ T4639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.777979][ T4639] Call trace: [ 51.778488][ T4639] dump_backtrace+0x0/0x458 [ 51.779201][ T4639] show_stack+0x2c/0x3c [ 51.779821][ T4639] __dump_stack+0x30/0x40 [ 51.780472][ T4639] dump_stack_lvl+0xf4/0x15c [ 51.781174][ T4639] dump_stack+0x1c/0x5c [ 51.781918][ T4639] should_fail+0x3bc/0x514 [ 51.782641][ T4639] __should_failslab+0xbc/0x10c [ 51.783425][ T4639] should_failslab+0x10/0x28 [ 51.784156][ T4639] slab_pre_alloc_hook+0x64/0xe8 [ 51.784954][ T4639] kmem_cache_alloc_trace+0x98/0x3ec [ 51.785786][ T4639] rand_initialize_disk+0x58/0xb8 [ 51.786567][ T4639] __alloc_disk_node+0x2a8/0x450 [ 51.787335][ T4639] __blk_mq_alloc_disk+0xe8/0x154 [ 51.788191][ T4639] loop_add+0x240/0x6e0 [ 51.788860][ T4639] loop_control_ioctl+0x130/0x4e0 [ 51.789720][ T4639] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.790557][ T4639] invoke_syscall+0x98/0x2b0 [ 51.791317][ T4639] el0_svc_common+0x138/0x258 [ 51.792063][ T4639] do_el0_svc+0x58/0x13c [ 51.792751][ T4639] el0_svc+0x78/0x1d0 [ 51.793410][ T4639] el0t_64_sync_handler+0xcc/0xe4 [ 51.794150][ T4639] el0t_64_sync+0x1a0/0x1a4 [ 51.804942][ T4641] FAULT_INJECTION: forcing a failure. [ 51.804942][ T4641] name failslab, interval 1, probability 0, space 0, times 0 [ 51.806971][ T4641] CPU: 1 PID: 4641 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.808447][ T4641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.810010][ T4641] Call trace: [ 51.810565][ T4641] dump_backtrace+0x0/0x458 [ 51.811284][ T4641] show_stack+0x2c/0x3c [ 51.811966][ T4641] __dump_stack+0x30/0x40 [ 51.812686][ T4641] dump_stack_lvl+0xf4/0x15c [ 51.813464][ T4641] dump_stack+0x1c/0x5c [ 51.814179][ T4641] should_fail+0x3bc/0x514 [ 51.814888][ T4641] __should_failslab+0xbc/0x10c [ 51.815639][ T4641] should_failslab+0x10/0x28 [ 51.816404][ T4641] slab_pre_alloc_hook+0x64/0xe8 [ 51.817244][ T4641] kmem_cache_alloc_trace+0x98/0x3ec [ 51.818121][ T4641] device_add+0xbc/0xf90 [ 51.818826][ T4641] device_add_disk+0x2d0/0xacc [ 51.819604][ T4641] loop_add+0x510/0x6e0 [ 51.820278][ T4641] loop_control_ioctl+0x130/0x4e0 [ 51.821151][ T4641] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.821892][ T4641] invoke_syscall+0x98/0x2b0 [ 51.822632][ T4641] el0_svc_common+0x138/0x258 [ 51.823378][ T4641] do_el0_svc+0x58/0x13c [ 51.824074][ T4641] el0_svc+0x78/0x1d0 [ 51.824754][ T4641] el0t_64_sync_handler+0xcc/0xe4 [ 51.825592][ T4641] el0t_64_sync+0x1a0/0x1a4 [ 51.834431][ T4643] FAULT_INJECTION: forcing a failure. [ 51.834431][ T4643] name failslab, interval 1, probability 0, space 0, times 0 [ 51.836614][ T4643] CPU: 0 PID: 4643 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.838052][ T4643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.839648][ T4643] Call trace: [ 51.840183][ T4643] dump_backtrace+0x0/0x458 [ 51.840968][ T4643] show_stack+0x2c/0x3c [ 51.841647][ T4643] __dump_stack+0x30/0x40 [ 51.842379][ T4643] dump_stack_lvl+0xf4/0x15c [ 51.843121][ T4643] dump_stack+0x1c/0x5c [ 51.843769][ T4643] should_fail+0x3bc/0x514 [ 51.844509][ T4643] __should_failslab+0xbc/0x10c [ 51.845298][ T4643] should_failslab+0x10/0x28 [ 51.846038][ T4643] slab_pre_alloc_hook+0x64/0xe8 [ 51.846818][ T4643] kmem_cache_alloc_trace+0x98/0x3ec [ 51.847654][ T4643] device_add+0xbc/0xf90 [ 51.848304][ T4643] device_add_disk+0x2d0/0xacc [ 51.849068][ T4643] loop_add+0x510/0x6e0 [ 51.849804][ T4643] loop_control_ioctl+0x130/0x4e0 [ 51.850646][ T4643] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.851536][ T4643] invoke_syscall+0x98/0x2b0 [ 51.852262][ T4643] el0_svc_common+0x138/0x258 [ 51.853090][ T4643] do_el0_svc+0x58/0x13c [ 51.853778][ T4643] el0_svc+0x78/0x1d0 [ 51.854439][ T4643] el0t_64_sync_handler+0xcc/0xe4 [ 51.855298][ T4643] el0t_64_sync+0x1a0/0x1a4 [ 51.864528][ T4645] FAULT_INJECTION: forcing a failure. [ 51.864528][ T4645] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 51.866531][ T4645] CPU: 1 PID: 4645 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.867992][ T4645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.869527][ T4645] Call trace: [ 51.870027][ T4645] dump_backtrace+0x0/0x458 [ 51.870787][ T4645] show_stack+0x2c/0x3c [ 51.871484][ T4645] __dump_stack+0x30/0x40 [ 51.872192][ T4645] dump_stack_lvl+0xf4/0x15c [ 51.872905][ T4645] dump_stack+0x1c/0x5c [ 51.873557][ T4645] should_fail+0x3bc/0x514 [ 51.874253][ T4645] should_fail_alloc_page+0x74/0xa8 [ 51.875069][ T4645] prepare_alloc_pages+0x160/0x45c [ 51.875894][ T4645] __alloc_pages+0x108/0x470 [ 51.876637][ T4645] alloc_pages+0x34c/0x5c0 [ 51.877352][ T4645] new_slab+0xe0/0x544 [ 51.878030][ T4645] ___slab_alloc+0x6b4/0xd8c [ 51.878734][ T4645] __slab_alloc+0x68/0xc0 [ 51.879493][ T4645] __kmalloc_track_caller+0x25c/0x358 [ 51.880400][ T4645] kstrdup+0xe4/0x15c [ 51.881035][ T4645] kstrdup_const+0x54/0x6c [ 51.881728][ T4645] kvasprintf_const+0x120/0x2e4 [ 51.882534][ T4645] kobject_set_name_vargs+0xd8/0x1c8 [ 51.883440][ T4645] dev_set_name+0xe8/0x13c [ 51.884129][ T4645] device_add_disk+0x258/0xacc [ 51.884909][ T4645] loop_add+0x510/0x6e0 [ 51.885588][ T4645] loop_control_ioctl+0x130/0x4e0 [ 51.886356][ T4645] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.887222][ T4645] invoke_syscall+0x98/0x2b0 [ 51.887997][ T4645] el0_svc_common+0x138/0x258 [ 51.888810][ T4645] do_el0_svc+0x58/0x13c [ 51.889511][ T4645] el0_svc+0x78/0x1d0 [ 51.890152][ T4645] el0t_64_sync_handler+0xcc/0xe4 [ 51.891001][ T4645] el0t_64_sync+0x1a0/0x1a4 [ 51.901494][ T4647] FAULT_INJECTION: forcing a failure. [ 51.901494][ T4647] name failslab, interval 1, probability 0, space 0, times 0 [ 51.903513][ T4647] CPU: 1 PID: 4647 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.904862][ T4647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.906485][ T4647] Call trace: [ 51.907013][ T4647] dump_backtrace+0x0/0x458 [ 51.907758][ T4647] show_stack+0x2c/0x3c [ 51.908504][ T4647] __dump_stack+0x30/0x40 [ 51.909200][ T4647] dump_stack_lvl+0xf4/0x15c [ 51.909972][ T4647] dump_stack+0x1c/0x5c [ 51.910696][ T4647] should_fail+0x3bc/0x514 [ 51.911369][ T4647] __should_failslab+0xbc/0x10c [ 51.912134][ T4647] should_failslab+0x10/0x28 [ 51.912875][ T4647] slab_pre_alloc_hook+0x64/0xe8 [ 51.913686][ T4647] kmem_cache_alloc_trace+0x98/0x3ec [ 51.914527][ T4647] rand_initialize_disk+0x58/0xb8 [ 51.915407][ T4647] __alloc_disk_node+0x2a8/0x450 [ 51.916226][ T4647] __blk_mq_alloc_disk+0xe8/0x154 [ 51.917070][ T4647] loop_add+0x240/0x6e0 [ 51.917686][ T4647] loop_control_ioctl+0x130/0x4e0 [ 51.918495][ T4647] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.919344][ T4647] invoke_syscall+0x98/0x2b0 [ 51.920027][ T4647] el0_svc_common+0x138/0x258 [ 51.920717][ T4647] do_el0_svc+0x58/0x13c [ 51.921393][ T4647] el0_svc+0x78/0x1d0 [ 51.922033][ T4647] el0t_64_sync_handler+0xcc/0xe4 [ 51.922814][ T4647] el0t_64_sync+0x1a0/0x1a4 [ 51.935243][ T4649] FAULT_INJECTION: forcing a failure. [ 51.935243][ T4649] name failslab, interval 1, probability 0, space 0, times 0 [ 51.937165][ T4649] CPU: 1 PID: 4649 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.938627][ T4649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.940254][ T4649] Call trace: [ 51.940760][ T4649] dump_backtrace+0x0/0x458 [ 51.941545][ T4649] show_stack+0x2c/0x3c [ 51.942214][ T4649] __dump_stack+0x30/0x40 [ 51.942889][ T4649] dump_stack_lvl+0xf4/0x15c [ 51.943614][ T4649] dump_stack+0x1c/0x5c [ 51.944273][ T4649] should_fail+0x3bc/0x514 [ 51.945009][ T4649] __should_failslab+0xbc/0x10c [ 51.945757][ T4649] should_failslab+0x10/0x28 [ 51.946471][ T4649] slab_pre_alloc_hook+0x64/0xe8 [ 51.947310][ T4649] __kmalloc_track_caller+0x70/0x358 [ 51.948154][ T4649] kstrdup+0xe4/0x15c [ 51.948813][ T4649] kstrdup_const+0x54/0x6c [ 51.949490][ T4649] kvasprintf_const+0x120/0x2e4 [ 51.950292][ T4649] kobject_set_name_vargs+0xd8/0x1c8 [ 51.951172][ T4649] dev_set_name+0xe8/0x13c [ 51.951932][ T4649] device_add_disk+0x258/0xacc [ 51.952712][ T4649] loop_add+0x510/0x6e0 [ 51.953384][ T4649] loop_control_ioctl+0x130/0x4e0 [ 51.954214][ T4649] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.955027][ T4649] invoke_syscall+0x98/0x2b0 [ 51.955747][ T4649] el0_svc_common+0x138/0x258 [ 51.956483][ T4649] do_el0_svc+0x58/0x13c [ 51.957202][ T4649] el0_svc+0x78/0x1d0 [ 51.957842][ T4649] el0t_64_sync_handler+0xcc/0xe4 [ 51.958689][ T4649] el0t_64_sync+0x1a0/0x1a4 [ 51.968029][ T4651] FAULT_INJECTION: forcing a failure. [ 51.968029][ T4651] name failslab, interval 1, probability 0, space 0, times 0 [ 51.970270][ T4651] CPU: 0 PID: 4651 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.971853][ T4651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 51.973549][ T4651] Call trace: [ 51.974017][ T4651] dump_backtrace+0x0/0x458 [ 51.974765][ T4651] show_stack+0x2c/0x3c [ 51.975449][ T4651] __dump_stack+0x30/0x40 [ 51.976175][ T4651] dump_stack_lvl+0xf4/0x15c [ 51.976894][ T4651] dump_stack+0x1c/0x5c [ 51.977639][ T4651] should_fail+0x3bc/0x514 [ 51.978372][ T4651] __should_failslab+0xbc/0x10c [ 51.979152][ T4651] should_failslab+0x10/0x28 [ 51.979925][ T4651] slab_pre_alloc_hook+0x64/0xe8 [ 51.980794][ T4651] __kmalloc_track_caller+0x70/0x358 [ 51.981670][ T4651] kstrdup+0xe4/0x15c [ 51.982282][ T4651] kstrdup_const+0x54/0x6c [ 51.983052][ T4651] kvasprintf_const+0x120/0x2e4 [ 51.983892][ T4651] kobject_set_name_vargs+0xd8/0x1c8 [ 51.984705][ T4651] dev_set_name+0xe8/0x13c [ 51.985413][ T4651] device_add_disk+0x258/0xacc [ 51.986244][ T4651] loop_add+0x510/0x6e0 [ 51.986984][ T4651] loop_control_ioctl+0x130/0x4e0 [ 51.987863][ T4651] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.988705][ T4651] invoke_syscall+0x98/0x2b0 [ 51.989429][ T4651] el0_svc_common+0x138/0x258 [ 51.990223][ T4651] do_el0_svc+0x58/0x13c [ 51.990881][ T4651] el0_svc+0x78/0x1d0 [ 51.991502][ T4651] el0t_64_sync_handler+0xcc/0xe4 [ 51.992278][ T4651] el0t_64_sync+0x1a0/0x1a4 [ 52.001037][ T4653] FAULT_INJECTION: forcing a failure. [ 52.001037][ T4653] name failslab, interval 1, probability 0, space 0, times 0 [ 52.002969][ T4653] CPU: 1 PID: 4653 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.004369][ T4653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.005976][ T4653] Call trace: [ 52.006527][ T4653] dump_backtrace+0x0/0x458 [ 52.007216][ T4653] show_stack+0x2c/0x3c [ 52.007891][ T4653] __dump_stack+0x30/0x40 [ 52.008621][ T4653] dump_stack_lvl+0xf4/0x15c [ 52.009329][ T4653] dump_stack+0x1c/0x5c [ 52.009978][ T4653] should_fail+0x3bc/0x514 [ 52.010665][ T4653] __should_failslab+0xbc/0x10c [ 52.011476][ T4653] should_failslab+0x10/0x28 [ 52.012231][ T4653] slab_pre_alloc_hook+0x64/0xe8 [ 52.013063][ T4653] kmem_cache_alloc_trace+0x98/0x3ec [ 52.013915][ T4653] rand_initialize_disk+0x58/0xb8 [ 52.014735][ T4653] __alloc_disk_node+0x2a8/0x450 [ 52.015515][ T4653] __blk_mq_alloc_disk+0xe8/0x154 [ 52.016316][ T4653] loop_add+0x240/0x6e0 [ 52.016974][ T4653] loop_control_ioctl+0x130/0x4e0 [ 52.017776][ T4653] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.018566][ T4653] invoke_syscall+0x98/0x2b0 [ 52.019293][ T4653] el0_svc_common+0x138/0x258 [ 52.019973][ T4653] do_el0_svc+0x58/0x13c [ 52.020705][ T4653] el0_svc+0x78/0x1d0 [ 52.021379][ T4653] el0t_64_sync_handler+0xcc/0xe4 [ 52.022202][ T4653] el0t_64_sync+0x1a0/0x1a4 [ 52.035429][ T4655] FAULT_INJECTION: forcing a failure. [ 52.035429][ T4655] name failslab, interval 1, probability 0, space 0, times 0 [ 52.037444][ T4655] CPU: 1 PID: 4655 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.038892][ T4655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.040470][ T4655] Call trace: [ 52.040979][ T4655] dump_backtrace+0x0/0x458 [ 52.041679][ T4655] show_stack+0x2c/0x3c [ 52.042323][ T4655] __dump_stack+0x30/0x40 [ 52.043039][ T4655] dump_stack_lvl+0xf4/0x15c [ 52.043698][ T4655] dump_stack+0x1c/0x5c [ 52.044343][ T4655] should_fail+0x3bc/0x514 [ 52.045001][ T4655] __should_failslab+0xbc/0x10c [ 52.045726][ T4655] should_failslab+0x10/0x28 [ 52.046473][ T4655] slab_pre_alloc_hook+0x64/0xe8 [ 52.047284][ T4655] kmem_cache_alloc_trace+0x98/0x3ec [ 52.048109][ T4655] rand_initialize_disk+0x58/0xb8 [ 52.048920][ T4655] __alloc_disk_node+0x2a8/0x450 [ 52.049723][ T4655] __blk_mq_alloc_disk+0xe8/0x154 [ 52.050506][ T4655] loop_add+0x240/0x6e0 [ 52.051170][ T4655] loop_control_ioctl+0x130/0x4e0 [ 52.051936][ T4655] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.052758][ T4655] invoke_syscall+0x98/0x2b0 [ 52.053491][ T4655] el0_svc_common+0x138/0x258 [ 52.054233][ T4655] do_el0_svc+0x58/0x13c [ 52.054938][ T4655] el0_svc+0x78/0x1d0 [ 52.055521][ T4655] el0t_64_sync_handler+0xcc/0xe4 [ 52.056324][ T4655] el0t_64_sync+0x1a0/0x1a4 [ 52.068916][ T4657] FAULT_INJECTION: forcing a failure. [ 52.068916][ T4657] name failslab, interval 1, probability 0, space 0, times 0 [ 52.071147][ T4657] CPU: 1 PID: 4657 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.072621][ T4657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.074290][ T4657] Call trace: [ 52.074781][ T4657] dump_backtrace+0x0/0x458 [ 52.075582][ T4657] show_stack+0x2c/0x3c [ 52.076222][ T4657] __dump_stack+0x30/0x40 [ 52.076915][ T4657] dump_stack_lvl+0xf4/0x15c [ 52.077649][ T4657] dump_stack+0x1c/0x5c [ 52.078303][ T4657] should_fail+0x3bc/0x514 [ 52.079047][ T4657] __should_failslab+0xbc/0x10c [ 52.079814][ T4657] should_failslab+0x10/0x28 [ 52.080530][ T4657] slab_pre_alloc_hook+0x64/0xe8 [ 52.081284][ T4657] kmem_cache_alloc_trace+0x98/0x3ec [ 52.082156][ T4657] device_add+0xbc/0xf90 [ 52.082777][ T4657] device_add_disk+0x2d0/0xacc [ 52.083525][ T4657] loop_add+0x510/0x6e0 [ 52.084167][ T4657] loop_control_ioctl+0x130/0x4e0 [ 52.084964][ T4657] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.085762][ T4657] invoke_syscall+0x98/0x2b0 [ 52.086497][ T4657] el0_svc_common+0x138/0x258 [ 52.087221][ T4657] do_el0_svc+0x58/0x13c [ 52.087881][ T4657] el0_svc+0x78/0x1d0 [ 52.088524][ T4657] el0t_64_sync_handler+0xcc/0xe4 [ 52.089330][ T4657] el0t_64_sync+0x1a0/0x1a4 [ 52.099712][ T4659] FAULT_INJECTION: forcing a failure. [ 52.099712][ T4659] name failslab, interval 1, probability 0, space 0, times 0 [ 52.101810][ T4659] CPU: 0 PID: 4659 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.103248][ T4659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.104830][ T4659] Call trace: [ 52.105365][ T4659] dump_backtrace+0x0/0x458 [ 52.106111][ T4659] show_stack+0x2c/0x3c [ 52.106819][ T4659] __dump_stack+0x30/0x40 [ 52.107545][ T4659] dump_stack_lvl+0xf4/0x15c [ 52.108274][ T4659] dump_stack+0x1c/0x5c [ 52.108934][ T4659] should_fail+0x3bc/0x514 [ 52.109631][ T4659] __should_failslab+0xbc/0x10c [ 52.110472][ T4659] should_failslab+0x10/0x28 [ 52.111238][ T4659] slab_pre_alloc_hook+0x64/0xe8 [ 52.111984][ T4659] kmem_cache_alloc_trace+0x98/0x3ec [ 52.112831][ T4659] device_add+0xbc/0xf90 [ 52.113504][ T4659] device_add_disk+0x2d0/0xacc [ 52.114276][ T4659] loop_add+0x510/0x6e0 [ 52.114926][ T4659] loop_control_ioctl+0x130/0x4e0 [ 52.115705][ T4659] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.116463][ T4659] invoke_syscall+0x98/0x2b0 [ 52.117247][ T4659] el0_svc_common+0x138/0x258 [ 52.118006][ T4659] do_el0_svc+0x58/0x13c [ 52.118668][ T4659] el0_svc+0x78/0x1d0 [ 52.119325][ T4659] el0t_64_sync_handler+0xcc/0xe4 [ 52.120204][ T4659] el0t_64_sync+0x1a0/0x1a4 [ 52.128826][ T4661] FAULT_INJECTION: forcing a failure. [ 52.128826][ T4661] name failslab, interval 1, probability 0, space 0, times 0 [ 52.131323][ T4661] CPU: 0 PID: 4661 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.132742][ T4661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.134435][ T4661] Call trace: [ 52.134940][ T4661] dump_backtrace+0x0/0x458 [ 52.135697][ T4661] show_stack+0x2c/0x3c [ 52.136373][ T4661] __dump_stack+0x30/0x40 [ 52.137119][ T4661] dump_stack_lvl+0xf4/0x15c [ 52.137879][ T4661] dump_stack+0x1c/0x5c [ 52.138559][ T4661] should_fail+0x3bc/0x514 [ 52.139297][ T4661] __should_failslab+0xbc/0x10c [ 52.140156][ T4661] should_failslab+0x10/0x28 [ 52.140958][ T4661] slab_pre_alloc_hook+0x64/0xe8 [ 52.141733][ T4661] __kmalloc_track_caller+0x70/0x358 [ 52.142662][ T4661] kstrdup+0xe4/0x15c [ 52.143351][ T4661] kstrdup_const+0x54/0x6c [ 52.144096][ T4661] kvasprintf_const+0x120/0x2e4 [ 52.144920][ T4661] kobject_set_name_vargs+0xd8/0x1c8 [ 52.145823][ T4661] dev_set_name+0xe8/0x13c [ 52.146549][ T4661] device_add_disk+0x258/0xacc [ 52.147316][ T4661] loop_add+0x510/0x6e0 [ 52.147969][ T4661] loop_control_ioctl+0x130/0x4e0 [ 52.148775][ T4661] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.149571][ T4661] invoke_syscall+0x98/0x2b0 [ 52.150355][ T4661] el0_svc_common+0x138/0x258 [ 52.151178][ T4661] do_el0_svc+0x58/0x13c [ 52.151941][ T4661] el0_svc+0x78/0x1d0 [ 52.152616][ T4661] el0t_64_sync_handler+0xcc/0xe4 [ 52.153446][ T4661] el0t_64_sync+0x1a0/0x1a4 [ 52.162662][ T4663] FAULT_INJECTION: forcing a failure. [ 52.162662][ T4663] name failslab, interval 1, probability 0, space 0, times 0 [ 52.164781][ T4663] CPU: 0 PID: 4663 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.166144][ T4663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.167691][ T4663] Call trace: [ 52.168215][ T4663] dump_backtrace+0x0/0x458 [ 52.168922][ T4663] show_stack+0x2c/0x3c [ 52.169619][ T4663] __dump_stack+0x30/0x40 [ 52.170380][ T4663] dump_stack_lvl+0xf4/0x15c [ 52.171168][ T4663] dump_stack+0x1c/0x5c [ 52.171829][ T4663] should_fail+0x3bc/0x514 [ 52.172518][ T4663] __should_failslab+0xbc/0x10c [ 52.173270][ T4663] should_failslab+0x10/0x28 [ 52.173994][ T4663] slab_pre_alloc_hook+0x64/0xe8 [ 52.174748][ T4663] __kmalloc_track_caller+0x70/0x358 [ 52.175620][ T4663] kstrdup+0xe4/0x15c [ 52.176294][ T4663] kstrdup_const+0x54/0x6c [ 52.176994][ T4663] kvasprintf_const+0x120/0x2e4 [ 52.177753][ T4663] kobject_set_name_vargs+0xd8/0x1c8 [ 52.178636][ T4663] dev_set_name+0xe8/0x13c [ 52.179399][ T4663] device_add_disk+0x258/0xacc [ 52.180209][ T4663] loop_add+0x510/0x6e0 [ 52.180854][ T4663] loop_control_ioctl+0x130/0x4e0 [ 52.181659][ T4663] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.182461][ T4663] invoke_syscall+0x98/0x2b0 [ 52.183190][ T4663] el0_svc_common+0x138/0x258 [ 52.183935][ T4663] do_el0_svc+0x58/0x13c [ 52.184636][ T4663] el0_svc+0x78/0x1d0 [ 52.185304][ T4663] el0t_64_sync_handler+0xcc/0xe4 [ 52.186079][ T4663] el0t_64_sync+0x1a0/0x1a4 [ 52.194963][ T4665] FAULT_INJECTION: forcing a failure. [ 52.194963][ T4665] name failslab, interval 1, probability 0, space 0, times 0 [ 52.197022][ T4665] CPU: 1 PID: 4665 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.198400][ T4665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.199938][ T4665] Call trace: [ 52.200435][ T4665] dump_backtrace+0x0/0x458 [ 52.201204][ T4665] show_stack+0x2c/0x3c [ 52.201910][ T4665] __dump_stack+0x30/0x40 [ 52.202646][ T4665] dump_stack_lvl+0xf4/0x15c [ 52.203410][ T4665] dump_stack+0x1c/0x5c [ 52.204070][ T4665] should_fail+0x3bc/0x514 [ 52.204778][ T4665] __should_failslab+0xbc/0x10c [ 52.205605][ T4665] should_failslab+0x10/0x28 [ 52.206339][ T4665] slab_pre_alloc_hook+0x64/0xe8 [ 52.207160][ T4665] kmem_cache_alloc_trace+0x98/0x3ec [ 52.207997][ T4665] rand_initialize_disk+0x58/0xb8 [ 52.208826][ T4665] __alloc_disk_node+0x2a8/0x450 [ 52.209598][ T4665] __blk_mq_alloc_disk+0xe8/0x154 [ 52.210408][ T4665] loop_add+0x240/0x6e0 [ 52.211069][ T4665] loop_control_ioctl+0x130/0x4e0 [ 52.211879][ T4665] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.212678][ T4665] invoke_syscall+0x98/0x2b0 [ 52.213404][ T4665] el0_svc_common+0x138/0x258 [ 52.214191][ T4665] do_el0_svc+0x58/0x13c [ 52.214810][ T4665] el0_svc+0x78/0x1d0 [ 52.215466][ T4665] el0t_64_sync_handler+0xcc/0xe4 [ 52.216221][ T4665] el0t_64_sync+0x1a0/0x1a4 [ 52.228166][ T4667] FAULT_INJECTION: forcing a failure. [ 52.228166][ T4667] name failslab, interval 1, probability 0, space 0, times 0 [ 52.230415][ T4667] CPU: 1 PID: 4667 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.231768][ T4667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.233337][ T4667] Call trace: [ 52.233857][ T4667] dump_backtrace+0x0/0x458 [ 52.234565][ T4667] show_stack+0x2c/0x3c [ 52.235229][ T4667] __dump_stack+0x30/0x40 [ 52.235920][ T4667] dump_stack_lvl+0xf4/0x15c [ 52.236626][ T4667] dump_stack+0x1c/0x5c [ 52.237301][ T4667] should_fail+0x3bc/0x514 [ 52.238026][ T4667] __should_failslab+0xbc/0x10c [ 52.238778][ T4667] should_failslab+0x10/0x28 [ 52.239536][ T4667] slab_pre_alloc_hook+0x64/0xe8 [ 52.240354][ T4667] kmem_cache_alloc_trace+0x98/0x3ec [ 52.241246][ T4667] device_add+0xbc/0xf90 [ 52.241976][ T4667] device_add_disk+0x2d0/0xacc [ 52.242770][ T4667] loop_add+0x510/0x6e0 [ 52.243429][ T4667] loop_control_ioctl+0x130/0x4e0 [ 52.244262][ T4667] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.245105][ T4667] invoke_syscall+0x98/0x2b0 [ 52.245893][ T4667] el0_svc_common+0x138/0x258 [ 52.246644][ T4667] do_el0_svc+0x58/0x13c [ 52.247352][ T4667] el0_svc+0x78/0x1d0 [ 52.248004][ T4667] el0t_64_sync_handler+0xcc/0xe4 [ 52.248791][ T4667] el0t_64_sync+0x1a0/0x1a4 [ 52.259237][ T4052] Bluetooth: hci0: command 0x041b tx timeout [ 52.260135][ T4669] FAULT_INJECTION: forcing a failure. [ 52.260135][ T4669] name failslab, interval 1, probability 0, space 0, times 0 [ 52.262410][ T4669] CPU: 1 PID: 4669 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.263892][ T4669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.265496][ T4669] Call trace: [ 52.266001][ T4669] dump_backtrace+0x0/0x458 [ 52.266678][ T4669] show_stack+0x2c/0x3c [ 52.267400][ T4669] __dump_stack+0x30/0x40 [ 52.268091][ T4669] dump_stack_lvl+0xf4/0x15c [ 52.268855][ T4669] dump_stack+0x1c/0x5c [ 52.269539][ T4669] should_fail+0x3bc/0x514 [ 52.270208][ T4669] __should_failslab+0xbc/0x10c [ 52.271032][ T4669] should_failslab+0x10/0x28 [ 52.271832][ T4669] slab_pre_alloc_hook+0x64/0xe8 [ 52.272618][ T4669] kmem_cache_alloc+0x94/0x3d4 [ 52.273426][ T4669] security_inode_alloc+0x38/0x11c [ 52.274252][ T4669] inode_init_always+0x670/0xa84 [ 52.275072][ T4669] new_inode_pseudo+0x7c/0x1fc [ 52.275838][ T4669] new_inode+0x38/0x174 [ 52.276518][ T4669] bdev_alloc+0x30/0x1f8 [ 52.277238][ T4669] __alloc_disk_node+0xbc/0x450 [ 52.278064][ T4669] __blk_mq_alloc_disk+0xe8/0x154 [ 52.278902][ T4669] loop_add+0x240/0x6e0 [ 52.279611][ T4669] loop_control_ioctl+0x130/0x4e0 [ 52.280450][ T4669] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.281266][ T4669] invoke_syscall+0x98/0x2b0 [ 52.282033][ T4669] el0_svc_common+0x138/0x258 [ 52.282779][ T4669] do_el0_svc+0x58/0x13c [ 52.283493][ T4669] el0_svc+0x78/0x1d0 [ 52.284134][ T4669] el0t_64_sync_handler+0xcc/0xe4 [ 52.284886][ T4669] el0t_64_sync+0x1a0/0x1a4 [ 52.294524][ T4671] FAULT_INJECTION: forcing a failure. [ 52.294524][ T4671] name failslab, interval 1, probability 0, space 0, times 0 [ 52.296770][ T4671] CPU: 0 PID: 4671 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.298227][ T4671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.299874][ T4671] Call trace: [ 52.300470][ T4671] dump_backtrace+0x0/0x458 [ 52.301258][ T4671] show_stack+0x2c/0x3c [ 52.301900][ T4671] __dump_stack+0x30/0x40 [ 52.302580][ T4671] dump_stack_lvl+0xf4/0x15c [ 52.303314][ T4671] dump_stack+0x1c/0x5c [ 52.304005][ T4671] should_fail+0x3bc/0x514 [ 52.304750][ T4671] __should_failslab+0xbc/0x10c [ 52.305527][ T4671] should_failslab+0x10/0x28 [ 52.306247][ T4671] slab_pre_alloc_hook+0x64/0xe8 [ 52.307016][ T4671] __kmalloc_track_caller+0x70/0x358 [ 52.307841][ T4671] kstrdup+0xe4/0x15c [ 52.308481][ T4671] kstrdup_const+0x54/0x6c [ 52.309135][ T4671] kvasprintf_const+0x120/0x2e4 [ 52.309910][ T4671] kobject_set_name_vargs+0xd8/0x1c8 [ 52.310735][ T4671] dev_set_name+0xe8/0x13c [ 52.311459][ T4671] device_add_disk+0x258/0xacc [ 52.312283][ T4671] loop_add+0x510/0x6e0 [ 52.312965][ T4671] loop_control_ioctl+0x130/0x4e0 [ 52.313751][ T4671] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.314588][ T4671] invoke_syscall+0x98/0x2b0 [ 52.315334][ T4671] el0_svc_common+0x138/0x258 [ 52.316078][ T4671] do_el0_svc+0x58/0x13c [ 52.316774][ T4671] el0_svc+0x78/0x1d0 [ 52.317409][ T4671] el0t_64_sync_handler+0xcc/0xe4 [ 52.318206][ T4671] el0t_64_sync+0x1a0/0x1a4 [ 52.334250][ T4673] FAULT_INJECTION: forcing a failure. [ 52.334250][ T4673] name failslab, interval 1, probability 0, space 0, times 0 [ 52.336248][ T4673] CPU: 1 PID: 4673 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.337698][ T4673] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.339375][ T4673] Call trace: [ 52.339917][ T4673] dump_backtrace+0x0/0x458 [ 52.340671][ T4673] show_stack+0x2c/0x3c [ 52.341352][ T4673] __dump_stack+0x30/0x40 [ 52.342032][ T4673] dump_stack_lvl+0xf4/0x15c [ 52.342751][ T4673] dump_stack+0x1c/0x5c [ 52.343409][ T4673] should_fail+0x3bc/0x514 [ 52.344100][ T4673] __should_failslab+0xbc/0x10c [ 52.344899][ T4673] should_failslab+0x10/0x28 [ 52.345652][ T4673] slab_pre_alloc_hook+0x64/0xe8 [ 52.346467][ T4673] __kmalloc_track_caller+0x70/0x358 [ 52.347375][ T4673] kstrdup+0xe4/0x15c [ 52.347993][ T4673] kstrdup_const+0x54/0x6c [ 52.348694][ T4673] kvasprintf_const+0x120/0x2e4 [ 52.349505][ T4673] kobject_set_name_vargs+0xd8/0x1c8 [ 52.350390][ T4673] dev_set_name+0xe8/0x13c [ 52.351108][ T4673] device_add_disk+0x258/0xacc [ 52.351841][ T4673] loop_add+0x510/0x6e0 [ 52.352548][ T4673] loop_control_ioctl+0x130/0x4e0 [ 52.353364][ T4673] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.354165][ T4673] invoke_syscall+0x98/0x2b0 [ 52.354907][ T4673] el0_svc_common+0x138/0x258 [ 52.355722][ T4673] do_el0_svc+0x58/0x13c [ 52.356406][ T4673] el0_svc+0x78/0x1d0 [ 52.357056][ T4673] el0t_64_sync_handler+0xcc/0xe4 [ 52.357911][ T4673] el0t_64_sync+0x1a0/0x1a4 [ 52.368684][ T4675] FAULT_INJECTION: forcing a failure. [ 52.368684][ T4675] name failslab, interval 1, probability 0, space 0, times 0 [ 52.371204][ T4675] CPU: 0 PID: 4675 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.372599][ T4675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.374313][ T4675] Call trace: [ 52.374853][ T4675] dump_backtrace+0x0/0x458 [ 52.375555][ T4675] show_stack+0x2c/0x3c [ 52.376226][ T4675] __dump_stack+0x30/0x40 [ 52.376949][ T4675] dump_stack_lvl+0xf4/0x15c [ 52.377726][ T4675] dump_stack+0x1c/0x5c [ 52.378429][ T4675] should_fail+0x3bc/0x514 [ 52.379104][ T4675] __should_failslab+0xbc/0x10c [ 52.379876][ T4675] should_failslab+0x10/0x28 [ 52.380626][ T4675] slab_pre_alloc_hook+0x64/0xe8 [ 52.381476][ T4675] __kmalloc_track_caller+0x70/0x358 [ 52.382268][ T4675] kstrdup+0xe4/0x15c [ 52.382930][ T4675] kstrdup_const+0x54/0x6c [ 52.383704][ T4675] kvasprintf_const+0x120/0x2e4 [ 52.384482][ T4675] kobject_set_name_vargs+0xd8/0x1c8 [ 52.385310][ T4675] dev_set_name+0xe8/0x13c [ 52.386055][ T4675] device_add_disk+0x258/0xacc [ 52.386889][ T4675] loop_add+0x510/0x6e0 [ 52.387589][ T4675] loop_control_ioctl+0x130/0x4e0 [ 52.388430][ T4675] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.389279][ T4675] invoke_syscall+0x98/0x2b0 [ 52.390060][ T4675] el0_svc_common+0x138/0x258 [ 52.390873][ T4675] do_el0_svc+0x58/0x13c [ 52.391608][ T4675] el0_svc+0x78/0x1d0 [ 52.392262][ T4675] el0t_64_sync_handler+0xcc/0xe4 [ 52.393122][ T4675] el0t_64_sync+0x1a0/0x1a4 [ 52.404150][ T4677] FAULT_INJECTION: forcing a failure. [ 52.404150][ T4677] name failslab, interval 1, probability 0, space 0, times 0 [ 52.406108][ T4677] CPU: 1 PID: 4677 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.407454][ T4677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.409016][ T4677] Call trace: [ 52.409469][ T4677] dump_backtrace+0x0/0x458 [ 52.410138][ T4677] show_stack+0x2c/0x3c [ 52.410757][ T4677] __dump_stack+0x30/0x40 [ 52.411407][ T4677] dump_stack_lvl+0xf4/0x15c [ 52.412153][ T4677] dump_stack+0x1c/0x5c [ 52.412762][ T4677] should_fail+0x3bc/0x514 [ 52.413433][ T4677] __should_failslab+0xbc/0x10c [ 52.414205][ T4677] should_failslab+0x10/0x28 [ 52.414931][ T4677] slab_pre_alloc_hook+0x64/0xe8 [ 52.415679][ T4677] __kmalloc_track_caller+0x70/0x358 [ 52.416456][ T4677] kstrdup+0xe4/0x15c [ 52.417078][ T4677] kstrdup_const+0x54/0x6c [ 52.417767][ T4677] kvasprintf_const+0x120/0x2e4 [ 52.418594][ T4677] kobject_set_name_vargs+0xd8/0x1c8 [ 52.419451][ T4677] dev_set_name+0xe8/0x13c [ 52.420088][ T4677] device_add_disk+0x258/0xacc [ 52.420862][ T4677] loop_add+0x510/0x6e0 [ 52.421606][ T4677] loop_control_ioctl+0x130/0x4e0 [ 52.422445][ T4677] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.423220][ T4677] invoke_syscall+0x98/0x2b0 [ 52.423919][ T4677] el0_svc_common+0x138/0x258 [ 52.424679][ T4677] do_el0_svc+0x58/0x13c [ 52.425357][ T4677] el0_svc+0x78/0x1d0 [ 52.425998][ T4677] el0t_64_sync_handler+0xcc/0xe4 [ 52.426804][ T4677] el0t_64_sync+0x1a0/0x1a4 [ 52.436221][ T4679] FAULT_INJECTION: forcing a failure. [ 52.436221][ T4679] name failslab, interval 1, probability 0, space 0, times 0 [ 52.438452][ T4679] CPU: 0 PID: 4679 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.439929][ T4679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.441545][ T4679] Call trace: [ 52.442080][ T4679] dump_backtrace+0x0/0x458 [ 52.442799][ T4679] show_stack+0x2c/0x3c [ 52.443478][ T4679] __dump_stack+0x30/0x40 [ 52.444156][ T4679] dump_stack_lvl+0xf4/0x15c [ 52.444875][ T4679] dump_stack+0x1c/0x5c [ 52.445580][ T4679] should_fail+0x3bc/0x514 [ 52.446314][ T4679] __should_failslab+0xbc/0x10c [ 52.447145][ T4679] should_failslab+0x10/0x28 [ 52.447906][ T4679] slab_pre_alloc_hook+0x64/0xe8 [ 52.448702][ T4679] kmem_cache_alloc_trace+0x98/0x3ec [ 52.449616][ T4679] rand_initialize_disk+0x58/0xb8 [ 52.450500][ T4679] __alloc_disk_node+0x2a8/0x450 [ 52.451304][ T4679] __blk_mq_alloc_disk+0xe8/0x154 [ 52.452117][ T4679] loop_add+0x240/0x6e0 [ 52.452739][ T4679] loop_control_ioctl+0x130/0x4e0 [ 52.453542][ T4679] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.454342][ T4679] invoke_syscall+0x98/0x2b0 [ 52.455058][ T4679] el0_svc_common+0x138/0x258 [ 52.455753][ T4679] do_el0_svc+0x58/0x13c [ 52.456411][ T4679] el0_svc+0x78/0x1d0 [ 52.457056][ T4679] el0t_64_sync_handler+0xcc/0xe4 [ 52.457865][ T4679] el0t_64_sync+0x1a0/0x1a4 [ 52.471346][ T4681] FAULT_INJECTION: forcing a failure. [ 52.471346][ T4681] name failslab, interval 1, probability 0, space 0, times 0 [ 52.473447][ T4681] CPU: 1 PID: 4681 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.474898][ T4681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.476508][ T4681] Call trace: [ 52.477056][ T4681] dump_backtrace+0x0/0x458 [ 52.477787][ T4681] show_stack+0x2c/0x3c [ 52.478503][ T4681] __dump_stack+0x30/0x40 [ 52.479211][ T4681] dump_stack_lvl+0xf4/0x15c [ 52.479910][ T4681] dump_stack+0x1c/0x5c [ 52.480587][ T4681] should_fail+0x3bc/0x514 [ 52.481283][ T4681] __should_failslab+0xbc/0x10c [ 52.481998][ T4681] should_failslab+0x10/0x28 [ 52.482750][ T4681] slab_pre_alloc_hook+0x64/0xe8 [ 52.483491][ T4681] __kmalloc_track_caller+0x70/0x358 [ 52.484324][ T4681] kstrdup+0xe4/0x15c [ 52.485016][ T4681] kstrdup_const+0x54/0x6c [ 52.485664][ T4681] kvasprintf_const+0x120/0x2e4 [ 52.486524][ T4681] kobject_set_name_vargs+0xd8/0x1c8 [ 52.487309][ T4681] dev_set_name+0xe8/0x13c [ 52.488090][ T4681] device_add_disk+0x258/0xacc [ 52.488860][ T4681] loop_add+0x510/0x6e0 [ 52.489493][ T4681] loop_control_ioctl+0x130/0x4e0 [ 52.490349][ T4681] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.491186][ T4681] invoke_syscall+0x98/0x2b0 [ 52.491907][ T4681] el0_svc_common+0x138/0x258 [ 52.492697][ T4681] do_el0_svc+0x58/0x13c [ 52.493410][ T4681] el0_svc+0x78/0x1d0 [ 52.494080][ T4681] el0t_64_sync_handler+0xcc/0xe4 [ 52.494923][ T4681] el0t_64_sync+0x1a0/0x1a4 [ 52.504461][ T4683] FAULT_INJECTION: forcing a failure. [ 52.504461][ T4683] name failslab, interval 1, probability 0, space 0, times 0 [ 52.506581][ T4683] CPU: 1 PID: 4683 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.508008][ T4683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.509616][ T4683] Call trace: [ 52.510158][ T4683] dump_backtrace+0x0/0x458 [ 52.510885][ T4683] show_stack+0x2c/0x3c [ 52.511595][ T4683] __dump_stack+0x30/0x40 [ 52.512261][ T4683] dump_stack_lvl+0xf4/0x15c [ 52.513047][ T4683] dump_stack+0x1c/0x5c [ 52.513719][ T4683] should_fail+0x3bc/0x514 [ 52.514433][ T4683] __should_failslab+0xbc/0x10c [ 52.515221][ T4683] should_failslab+0x10/0x28 [ 52.515979][ T4683] slab_pre_alloc_hook+0x64/0xe8 [ 52.516776][ T4683] __kmalloc_track_caller+0x70/0x358 [ 52.517615][ T4683] kstrdup+0xe4/0x15c [ 52.518236][ T4683] kstrdup_const+0x54/0x6c [ 52.518994][ T4683] kvasprintf_const+0x120/0x2e4 [ 52.519774][ T4683] kobject_set_name_vargs+0xd8/0x1c8 [ 52.520616][ T4683] dev_set_name+0xe8/0x13c [ 52.521299][ T4683] device_add_disk+0x258/0xacc [ 52.522090][ T4683] loop_add+0x510/0x6e0 [ 52.522797][ T4683] loop_control_ioctl+0x130/0x4e0 [ 52.523606][ T4683] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.524397][ T4683] invoke_syscall+0x98/0x2b0 [ 52.525119][ T4683] el0_svc_common+0x138/0x258 [ 52.525818][ T4683] do_el0_svc+0x58/0x13c [ 52.526565][ T4683] el0_svc+0x78/0x1d0 [ 52.527219][ T4683] el0t_64_sync_handler+0xcc/0xe4 [ 52.527985][ T4683] el0t_64_sync+0x1a0/0x1a4 [ 52.536855][ T4685] FAULT_INJECTION: forcing a failure. [ 52.536855][ T4685] name failslab, interval 1, probability 0, space 0, times 0 [ 52.538937][ T4685] CPU: 1 PID: 4685 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.540473][ T4685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.542170][ T4685] Call trace: [ 52.542732][ T4685] dump_backtrace+0x0/0x458 [ 52.543442][ T4685] show_stack+0x2c/0x3c [ 52.544089][ T4685] __dump_stack+0x30/0x40 [ 52.544819][ T4685] dump_stack_lvl+0xf4/0x15c [ 52.545533][ T4685] dump_stack+0x1c/0x5c [ 52.546233][ T4685] should_fail+0x3bc/0x514 [ 52.546959][ T4685] __should_failslab+0xbc/0x10c [ 52.547678][ T4685] should_failslab+0x10/0x28 [ 52.548444][ T4685] slab_pre_alloc_hook+0x64/0xe8 [ 52.549221][ T4685] kmem_cache_alloc_trace+0x98/0x3ec [ 52.550037][ T4685] device_add+0xbc/0xf90 [ 52.550718][ T4685] device_add_disk+0x2d0/0xacc [ 52.551480][ T4685] loop_add+0x510/0x6e0 [ 52.552190][ T4685] loop_control_ioctl+0x130/0x4e0 [ 52.552966][ T4685] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.553818][ T4685] invoke_syscall+0x98/0x2b0 [ 52.554551][ T4685] el0_svc_common+0x138/0x258 [ 52.555327][ T4685] do_el0_svc+0x58/0x13c [ 52.556021][ T4685] el0_svc+0x78/0x1d0 [ 52.556684][ T4685] el0t_64_sync_handler+0xcc/0xe4 [ 52.557465][ T4685] el0t_64_sync+0x1a0/0x1a4 [ 52.567441][ T4687] FAULT_INJECTION: forcing a failure. [ 52.567441][ T4687] name failslab, interval 1, probability 0, space 0, times 0 [ 52.569861][ T4687] CPU: 1 PID: 4687 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.571312][ T4687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.572768][ T4687] Call trace: [ 52.573288][ T4687] dump_backtrace+0x0/0x458 [ 52.573937][ T4687] show_stack+0x2c/0x3c [ 52.574563][ T4687] __dump_stack+0x30/0x40 [ 52.575265][ T4687] dump_stack_lvl+0xf4/0x15c [ 52.575936][ T4687] dump_stack+0x1c/0x5c [ 52.576556][ T4687] should_fail+0x3bc/0x514 [ 52.577252][ T4687] __should_failslab+0xbc/0x10c [ 52.577989][ T4687] should_failslab+0x10/0x28 [ 52.578722][ T4687] slab_pre_alloc_hook+0x64/0xe8 [ 52.579507][ T4687] kmem_cache_alloc_trace+0x98/0x3ec [ 52.580392][ T4687] device_add+0xbc/0xf90 [ 52.581110][ T4687] device_add_disk+0x2d0/0xacc [ 52.581877][ T4687] loop_add+0x510/0x6e0 [ 52.582586][ T4687] loop_control_ioctl+0x130/0x4e0 [ 52.583348][ T4687] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.584186][ T4687] invoke_syscall+0x98/0x2b0 [ 52.584929][ T4687] el0_svc_common+0x138/0x258 [ 52.585704][ T4687] do_el0_svc+0x58/0x13c [ 52.586452][ T4687] el0_svc+0x78/0x1d0 [ 52.587097][ T4687] el0t_64_sync_handler+0xcc/0xe4 [ 52.587908][ T4687] el0t_64_sync+0x1a0/0x1a4 [ 52.595950][ T4689] FAULT_INJECTION: forcing a failure. [ 52.595950][ T4689] name failslab, interval 1, probability 0, space 0, times 0 [ 52.597976][ T4689] CPU: 1 PID: 4689 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.599381][ T4689] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.601036][ T4689] Call trace: [ 52.601561][ T4689] dump_backtrace+0x0/0x458 [ 52.602197][ T4689] show_stack+0x2c/0x3c [ 52.602812][ T4689] __dump_stack+0x30/0x40 [ 52.603458][ T4689] dump_stack_lvl+0xf4/0x15c [ 52.604105][ T4689] dump_stack+0x1c/0x5c [ 52.604733][ T4689] should_fail+0x3bc/0x514 [ 52.605341][ T4689] __should_failslab+0xbc/0x10c [ 52.606073][ T4689] should_failslab+0x10/0x28 [ 52.606746][ T4689] slab_pre_alloc_hook+0x64/0xe8 [ 52.607527][ T4689] kmem_cache_alloc_trace+0x98/0x3ec [ 52.608362][ T4689] rand_initialize_disk+0x58/0xb8 [ 52.609158][ T4689] __alloc_disk_node+0x2a8/0x450 [ 52.609966][ T4689] __blk_mq_alloc_disk+0xe8/0x154 [ 52.610760][ T4689] loop_add+0x240/0x6e0 [ 52.611454][ T4689] loop_control_ioctl+0x130/0x4e0 [ 52.612312][ T4689] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.613177][ T4689] invoke_syscall+0x98/0x2b0 [ 52.613908][ T4689] el0_svc_common+0x138/0x258 [ 52.614682][ T4689] do_el0_svc+0x58/0x13c [ 52.615310][ T4689] el0_svc+0x78/0x1d0 [ 52.615968][ T4689] el0t_64_sync_handler+0xcc/0xe4 [ 52.616794][ T4689] el0t_64_sync+0x1a0/0x1a4 [ 52.627989][ T4691] FAULT_INJECTION: forcing a failure. [ 52.627989][ T4691] name failslab, interval 1, probability 0, space 0, times 0 [ 52.630389][ T4691] CPU: 1 PID: 4691 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.631838][ T4691] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.633378][ T4691] Call trace: [ 52.633897][ T4691] dump_backtrace+0x0/0x458 [ 52.634578][ T4691] show_stack+0x2c/0x3c [ 52.635176][ T4691] __dump_stack+0x30/0x40 [ 52.635843][ T4691] dump_stack_lvl+0xf4/0x15c [ 52.636491][ T4691] dump_stack+0x1c/0x5c [ 52.637085][ T4691] should_fail+0x3bc/0x514 [ 52.637680][ T4691] __should_failslab+0xbc/0x10c [ 52.638347][ T4691] should_failslab+0x10/0x28 [ 52.639076][ T4691] slab_pre_alloc_hook+0x64/0xe8 [ 52.639836][ T4691] kmem_cache_alloc_trace+0x98/0x3ec [ 52.640683][ T4691] rand_initialize_disk+0x58/0xb8 [ 52.641442][ T4691] __alloc_disk_node+0x2a8/0x450 [ 52.642226][ T4691] __blk_mq_alloc_disk+0xe8/0x154 [ 52.642953][ T4691] loop_add+0x240/0x6e0 [ 52.643590][ T4691] loop_control_ioctl+0x130/0x4e0 [ 52.644422][ T4691] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.645143][ T4691] invoke_syscall+0x98/0x2b0 [ 52.645840][ T4691] el0_svc_common+0x138/0x258 [ 52.646553][ T4691] do_el0_svc+0x58/0x13c [ 52.647184][ T4691] el0_svc+0x78/0x1d0 [ 52.647753][ T4691] el0t_64_sync_handler+0xcc/0xe4 [ 52.648480][ T4691] el0t_64_sync+0x1a0/0x1a4 [ 52.659234][ T4693] FAULT_INJECTION: forcing a failure. [ 52.659234][ T4693] name failslab, interval 1, probability 0, space 0, times 0 [ 52.661221][ T4693] CPU: 1 PID: 4693 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.662694][ T4693] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.664406][ T4693] Call trace: [ 52.664933][ T4693] dump_backtrace+0x0/0x458 [ 52.665610][ T4693] show_stack+0x2c/0x3c [ 52.666261][ T4693] __dump_stack+0x30/0x40 [ 52.666920][ T4693] dump_stack_lvl+0xf4/0x15c [ 52.667619][ T4693] dump_stack+0x1c/0x5c [ 52.668227][ T4693] should_fail+0x3bc/0x514 [ 52.668862][ T4693] __should_failslab+0xbc/0x10c [ 52.669618][ T4693] should_failslab+0x10/0x28 [ 52.670377][ T4693] slab_pre_alloc_hook+0x64/0xe8 [ 52.671223][ T4693] kmem_cache_alloc_trace+0x98/0x3ec [ 52.672064][ T4693] device_add+0xbc/0xf90 [ 52.672713][ T4693] device_add_disk+0x2d0/0xacc [ 52.673464][ T4693] loop_add+0x510/0x6e0 [ 52.674109][ T4693] loop_control_ioctl+0x130/0x4e0 [ 52.674866][ T4693] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.675599][ T4693] invoke_syscall+0x98/0x2b0 [ 52.676331][ T4693] el0_svc_common+0x138/0x258 [ 52.677078][ T4693] do_el0_svc+0x58/0x13c [ 52.677719][ T4693] el0_svc+0x78/0x1d0 [ 52.678382][ T4693] el0t_64_sync_handler+0xcc/0xe4 [ 52.679133][ T4693] el0t_64_sync+0x1a0/0x1a4 [ 52.687882][ T4695] FAULT_INJECTION: forcing a failure. [ 52.687882][ T4695] name failslab, interval 1, probability 0, space 0, times 0 [ 52.690469][ T4695] CPU: 1 PID: 4695 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.691779][ T4695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.693310][ T4695] Call trace: [ 52.693790][ T4695] dump_backtrace+0x0/0x458 [ 52.694496][ T4695] show_stack+0x2c/0x3c [ 52.695163][ T4695] __dump_stack+0x30/0x40 [ 52.695860][ T4695] dump_stack_lvl+0xf4/0x15c [ 52.696601][ T4695] dump_stack+0x1c/0x5c [ 52.697265][ T4695] should_fail+0x3bc/0x514 [ 52.698026][ T4695] __should_failslab+0xbc/0x10c [ 52.698827][ T4695] should_failslab+0x10/0x28 [ 52.699565][ T4695] slab_pre_alloc_hook+0x64/0xe8 [ 52.700351][ T4695] kmem_cache_alloc_trace+0x98/0x3ec [ 52.701254][ T4695] rand_initialize_disk+0x58/0xb8 [ 52.702103][ T4695] __alloc_disk_node+0x2a8/0x450 [ 52.702901][ T4695] __blk_mq_alloc_disk+0xe8/0x154 [ 52.703724][ T4695] loop_add+0x240/0x6e0 [ 52.704389][ T4695] loop_control_ioctl+0x130/0x4e0 [ 52.705174][ T4695] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.705996][ T4695] invoke_syscall+0x98/0x2b0 [ 52.706766][ T4695] el0_svc_common+0x138/0x258 [ 52.707503][ T4695] do_el0_svc+0x58/0x13c [ 52.708168][ T4695] el0_svc+0x78/0x1d0 [ 52.708799][ T4695] el0t_64_sync_handler+0xcc/0xe4 [ 52.709601][ T4695] el0t_64_sync+0x1a0/0x1a4 [ 52.720536][ T4697] FAULT_INJECTION: forcing a failure. [ 52.720536][ T4697] name failslab, interval 1, probability 0, space 0, times 0 [ 52.722516][ T4697] CPU: 1 PID: 4697 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.723881][ T4697] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.725483][ T4697] Call trace: [ 52.726037][ T4697] dump_backtrace+0x0/0x458 [ 52.726771][ T4697] show_stack+0x2c/0x3c [ 52.727425][ T4697] __dump_stack+0x30/0x40 [ 52.728092][ T4697] dump_stack_lvl+0xf4/0x15c [ 52.728805][ T4697] dump_stack+0x1c/0x5c [ 52.729429][ T4697] should_fail+0x3bc/0x514 [ 52.730194][ T4697] __should_failslab+0xbc/0x10c [ 52.731008][ T4697] should_failslab+0x10/0x28 [ 52.731641][ T4697] slab_pre_alloc_hook+0x64/0xe8 [ 52.732410][ T4697] kmem_cache_alloc_trace+0x98/0x3ec [ 52.733355][ T4697] device_add+0xbc/0xf90 [ 52.734042][ T4697] device_add_disk+0x2d0/0xacc [ 52.734841][ T4697] loop_add+0x510/0x6e0 [ 52.735541][ T4697] loop_control_ioctl+0x130/0x4e0 [ 52.736340][ T4697] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.737159][ T4697] invoke_syscall+0x98/0x2b0 [ 52.737939][ T4697] el0_svc_common+0x138/0x258 [ 52.738719][ T4697] do_el0_svc+0x58/0x13c [ 52.739419][ T4697] el0_svc+0x78/0x1d0 [ 52.740035][ T4697] el0t_64_sync_handler+0xcc/0xe4 [ 52.740861][ T4697] el0t_64_sync+0x1a0/0x1a4 [ 52.749873][ T4699] FAULT_INJECTION: forcing a failure. [ 52.749873][ T4699] name failslab, interval 1, probability 0, space 0, times 0 [ 52.751856][ T4699] CPU: 1 PID: 4699 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.753303][ T4699] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.754888][ T4699] Call trace: [ 52.755408][ T4699] dump_backtrace+0x0/0x458 [ 52.756171][ T4699] show_stack+0x2c/0x3c [ 52.756860][ T4699] __dump_stack+0x30/0x40 [ 52.757563][ T4699] dump_stack_lvl+0xf4/0x15c [ 52.758294][ T4699] dump_stack+0x1c/0x5c [ 52.758934][ T4699] should_fail+0x3bc/0x514 [ 52.759660][ T4699] __should_failslab+0xbc/0x10c [ 52.760437][ T4699] should_failslab+0x10/0x28 [ 52.761185][ T4699] slab_pre_alloc_hook+0x64/0xe8 [ 52.762020][ T4699] __kmalloc_track_caller+0x70/0x358 [ 52.762863][ T4699] kstrdup+0xe4/0x15c [ 52.763545][ T4699] kstrdup_const+0x54/0x6c [ 52.764294][ T4699] kvasprintf_const+0x120/0x2e4 [ 52.765085][ T4699] kobject_set_name_vargs+0xd8/0x1c8 [ 52.765962][ T4699] dev_set_name+0xe8/0x13c [ 52.766718][ T4699] device_add_disk+0x258/0xacc [ 52.767466][ T4699] loop_add+0x510/0x6e0 [ 52.768105][ T4699] loop_control_ioctl+0x130/0x4e0 [ 52.768867][ T4699] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.769609][ T4699] invoke_syscall+0x98/0x2b0 [ 52.770326][ T4699] el0_svc_common+0x138/0x258 [ 52.771115][ T4699] do_el0_svc+0x58/0x13c [ 52.771799][ T4699] el0_svc+0x78/0x1d0 [ 52.772436][ T4699] el0t_64_sync_handler+0xcc/0xe4 [ 52.773261][ T4699] el0t_64_sync+0x1a0/0x1a4 [ 52.783784][ T4701] FAULT_INJECTION: forcing a failure. [ 52.783784][ T4701] name failslab, interval 1, probability 0, space 0, times 0 [ 52.785854][ T4701] CPU: 0 PID: 4701 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.787398][ T4701] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.789046][ T4701] Call trace: [ 52.789619][ T4701] dump_backtrace+0x0/0x458 [ 52.790422][ T4701] show_stack+0x2c/0x3c [ 52.791096][ T4701] __dump_stack+0x30/0x40 [ 52.791781][ T4701] dump_stack_lvl+0xf4/0x15c [ 52.792525][ T4701] dump_stack+0x1c/0x5c [ 52.793194][ T4701] should_fail+0x3bc/0x514 [ 52.793934][ T4701] __should_failslab+0xbc/0x10c [ 52.794741][ T4701] should_failslab+0x10/0x28 [ 52.795489][ T4701] slab_pre_alloc_hook+0x64/0xe8 [ 52.796254][ T4701] kmem_cache_alloc_trace+0x98/0x3ec [ 52.797103][ T4701] device_add+0xbc/0xf90 [ 52.797775][ T4701] device_add_disk+0x2d0/0xacc [ 52.798522][ T4701] loop_add+0x510/0x6e0 [ 52.799179][ T4701] loop_control_ioctl+0x130/0x4e0 [ 52.800026][ T4701] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.800849][ T4701] invoke_syscall+0x98/0x2b0 [ 52.801618][ T4701] el0_svc_common+0x138/0x258 [ 52.802367][ T4701] do_el0_svc+0x58/0x13c [ 52.803049][ T4701] el0_svc+0x78/0x1d0 [ 52.803695][ T4701] el0t_64_sync_handler+0xcc/0xe4 [ 52.804504][ T4701] el0t_64_sync+0x1a0/0x1a4 [ 52.814563][ T4703] FAULT_INJECTION: forcing a failure. [ 52.814563][ T4703] name failslab, interval 1, probability 0, space 0, times 0 [ 52.816597][ T4703] CPU: 0 PID: 4703 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.818006][ T4703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.819610][ T4703] Call trace: [ 52.820184][ T4703] dump_backtrace+0x0/0x458 [ 52.820938][ T4703] show_stack+0x2c/0x3c [ 52.821628][ T4703] __dump_stack+0x30/0x40 [ 52.822361][ T4703] dump_stack_lvl+0xf4/0x15c [ 52.823168][ T4703] dump_stack+0x1c/0x5c [ 52.823827][ T4703] should_fail+0x3bc/0x514 [ 52.824570][ T4703] __should_failslab+0xbc/0x10c [ 52.825414][ T4703] should_failslab+0x10/0x28 [ 52.826182][ T4703] slab_pre_alloc_hook+0x64/0xe8 [ 52.827002][ T4703] __kmalloc_track_caller+0x70/0x358 [ 52.827853][ T4703] kstrdup+0xe4/0x15c [ 52.828532][ T4703] kstrdup_const+0x54/0x6c [ 52.829289][ T4703] kvasprintf_const+0x120/0x2e4 [ 52.830134][ T4703] kobject_set_name_vargs+0xd8/0x1c8 [ 52.831003][ T4703] dev_set_name+0xe8/0x13c [ 52.831718][ T4703] device_add_disk+0x258/0xacc [ 52.832513][ T4703] loop_add+0x510/0x6e0 [ 52.833203][ T4703] loop_control_ioctl+0x130/0x4e0 [ 52.834044][ T4703] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.834905][ T4703] invoke_syscall+0x98/0x2b0 [ 52.835693][ T4703] el0_svc_common+0x138/0x258 [ 52.836527][ T4703] do_el0_svc+0x58/0x13c [ 52.837223][ T4703] el0_svc+0x78/0x1d0 [ 52.837899][ T4703] el0t_64_sync_handler+0xcc/0xe4 [ 52.838740][ T4703] el0t_64_sync+0x1a0/0x1a4 [ 52.847302][ T4705] FAULT_INJECTION: forcing a failure. [ 52.847302][ T4705] name failslab, interval 1, probability 0, space 0, times 0 [ 52.849652][ T4705] CPU: 0 PID: 4705 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.851158][ T4705] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.852682][ T4705] Call trace: [ 52.853148][ T4705] dump_backtrace+0x0/0x458 [ 52.853828][ T4705] show_stack+0x2c/0x3c [ 52.854441][ T4705] __dump_stack+0x30/0x40 [ 52.855110][ T4705] dump_stack_lvl+0xf4/0x15c [ 52.855956][ T4705] dump_stack+0x1c/0x5c [ 52.856659][ T4705] should_fail+0x3bc/0x514 [ 52.857378][ T4705] __should_failslab+0xbc/0x10c [ 52.858156][ T4705] should_failslab+0x10/0x28 [ 52.858914][ T4705] slab_pre_alloc_hook+0x64/0xe8 [ 52.859699][ T4705] kmem_cache_alloc_trace+0x98/0x3ec [ 52.860516][ T4705] device_add+0xbc/0xf90 [ 52.861199][ T4705] device_add_disk+0x2d0/0xacc [ 52.861961][ T4705] loop_add+0x510/0x6e0 [ 52.862600][ T4705] loop_control_ioctl+0x130/0x4e0 [ 52.863441][ T4705] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.864218][ T4705] invoke_syscall+0x98/0x2b0 [ 52.864925][ T4705] el0_svc_common+0x138/0x258 [ 52.865686][ T4705] do_el0_svc+0x58/0x13c [ 52.866333][ T4705] el0_svc+0x78/0x1d0 [ 52.866981][ T4705] el0t_64_sync_handler+0xcc/0xe4 [ 52.867790][ T4705] el0t_64_sync+0x1a0/0x1a4 [ 52.876516][ T4707] FAULT_INJECTION: forcing a failure. [ 52.876516][ T4707] name failslab, interval 1, probability 0, space 0, times 0 [ 52.878528][ T4707] CPU: 1 PID: 4707 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.880002][ T4707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.881712][ T4707] Call trace: [ 52.882220][ T4707] dump_backtrace+0x0/0x458 [ 52.882942][ T4707] show_stack+0x2c/0x3c [ 52.883622][ T4707] __dump_stack+0x30/0x40 [ 52.884339][ T4707] dump_stack_lvl+0xf4/0x15c [ 52.885066][ T4707] dump_stack+0x1c/0x5c [ 52.885735][ T4707] should_fail+0x3bc/0x514 [ 52.886429][ T4707] __should_failslab+0xbc/0x10c [ 52.887176][ T4707] should_failslab+0x10/0x28 [ 52.887892][ T4707] slab_pre_alloc_hook+0x64/0xe8 [ 52.888599][ T4707] kmem_cache_alloc_trace+0x98/0x3ec [ 52.889427][ T4707] device_add+0xbc/0xf90 [ 52.890087][ T4707] device_add_disk+0x2d0/0xacc [ 52.890745][ T4707] loop_add+0x510/0x6e0 [ 52.891341][ T4707] loop_control_ioctl+0x130/0x4e0 [ 52.892079][ T4707] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.892855][ T4707] invoke_syscall+0x98/0x2b0 [ 52.893597][ T4707] el0_svc_common+0x138/0x258 [ 52.894349][ T4707] do_el0_svc+0x58/0x13c [ 52.895030][ T4707] el0_svc+0x78/0x1d0 [ 52.895648][ T4707] el0t_64_sync_handler+0xcc/0xe4 [ 52.896450][ T4707] el0t_64_sync+0x1a0/0x1a4 [ 52.906019][ T4709] FAULT_INJECTION: forcing a failure. [ 52.906019][ T4709] name failslab, interval 1, probability 0, space 0, times 0 [ 52.908019][ T4709] CPU: 1 PID: 4709 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.909360][ T4709] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.910948][ T4709] Call trace: [ 52.911440][ T4709] dump_backtrace+0x0/0x458 [ 52.912153][ T4709] show_stack+0x2c/0x3c [ 52.912875][ T4709] __dump_stack+0x30/0x40 [ 52.913575][ T4709] dump_stack_lvl+0xf4/0x15c [ 52.914272][ T4709] dump_stack+0x1c/0x5c [ 52.914929][ T4709] should_fail+0x3bc/0x514 [ 52.915621][ T4709] __should_failslab+0xbc/0x10c [ 52.916427][ T4709] should_failslab+0x10/0x28 [ 52.917156][ T4709] slab_pre_alloc_hook+0x64/0xe8 [ 52.917957][ T4709] kmem_cache_alloc_trace+0x98/0x3ec [ 52.918828][ T4709] device_add+0xbc/0xf90 [ 52.919522][ T4709] device_add_disk+0x2d0/0xacc [ 52.920314][ T4709] loop_add+0x510/0x6e0 [ 52.920971][ T4709] loop_control_ioctl+0x130/0x4e0 [ 52.921827][ T4709] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.922640][ T4709] invoke_syscall+0x98/0x2b0 [ 52.923390][ T4709] el0_svc_common+0x138/0x258 [ 52.924124][ T4709] do_el0_svc+0x58/0x13c [ 52.924819][ T4709] el0_svc+0x78/0x1d0 [ 52.925485][ T4709] el0t_64_sync_handler+0xcc/0xe4 [ 52.926282][ T4709] el0t_64_sync+0x1a0/0x1a4 [ 52.935564][ T4711] FAULT_INJECTION: forcing a failure. [ 52.935564][ T4711] name failslab, interval 1, probability 0, space 0, times 0 [ 52.937753][ T4711] CPU: 0 PID: 4711 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.939270][ T4711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.940861][ T4711] Call trace: [ 52.941420][ T4711] dump_backtrace+0x0/0x458 [ 52.942188][ T4711] show_stack+0x2c/0x3c [ 52.942891][ T4711] __dump_stack+0x30/0x40 [ 52.943607][ T4711] dump_stack_lvl+0xf4/0x15c [ 52.944344][ T4711] dump_stack+0x1c/0x5c [ 52.944995][ T4711] should_fail+0x3bc/0x514 [ 52.945693][ T4711] __should_failslab+0xbc/0x10c [ 52.946481][ T4711] should_failslab+0x10/0x28 [ 52.947207][ T4711] slab_pre_alloc_hook+0x64/0xe8 [ 52.948034][ T4711] kmem_cache_alloc_trace+0x98/0x3ec [ 52.948932][ T4711] rand_initialize_disk+0x58/0xb8 [ 52.949747][ T4711] __alloc_disk_node+0x2a8/0x450 [ 52.950558][ T4711] __blk_mq_alloc_disk+0xe8/0x154 [ 52.951417][ T4711] loop_add+0x240/0x6e0 [ 52.952123][ T4711] loop_control_ioctl+0x130/0x4e0 [ 52.952952][ T4711] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.953734][ T4711] invoke_syscall+0x98/0x2b0 [ 52.954465][ T4711] el0_svc_common+0x138/0x258 [ 52.955220][ T4711] do_el0_svc+0x58/0x13c [ 52.955894][ T4711] el0_svc+0x78/0x1d0 [ 52.956528][ T4711] el0t_64_sync_handler+0xcc/0xe4 [ 52.957374][ T4711] el0t_64_sync+0x1a0/0x1a4 [ 52.969920][ T4713] FAULT_INJECTION: forcing a failure. [ 52.969920][ T4713] name failslab, interval 1, probability 0, space 0, times 0 [ 52.971966][ T4713] CPU: 0 PID: 4713 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.973471][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.975109][ T4713] Call trace: [ 52.975607][ T4713] dump_backtrace+0x0/0x458 [ 52.976263][ T4713] show_stack+0x2c/0x3c [ 52.976988][ T4713] __dump_stack+0x30/0x40 [ 52.977747][ T4713] dump_stack_lvl+0xf4/0x15c [ 52.978454][ T4713] dump_stack+0x1c/0x5c [ 52.979138][ T4713] should_fail+0x3bc/0x514 [ 52.979863][ T4713] __should_failslab+0xbc/0x10c [ 52.980711][ T4713] should_failslab+0x10/0x28 [ 52.981454][ T4713] slab_pre_alloc_hook+0x64/0xe8 [ 52.982252][ T4713] kmem_cache_alloc+0x94/0x3d4 [ 52.982975][ T4713] security_inode_alloc+0x38/0x11c [ 52.983835][ T4713] inode_init_always+0x670/0xa84 [ 52.984588][ T4713] new_inode_pseudo+0x7c/0x1fc [ 52.985364][ T4713] new_inode+0x38/0x174 [ 52.986032][ T4713] bdev_alloc+0x30/0x1f8 [ 52.986784][ T4713] __alloc_disk_node+0xbc/0x450 [ 52.987631][ T4713] __blk_mq_alloc_disk+0xe8/0x154 [ 52.988484][ T4713] loop_add+0x240/0x6e0 [ 52.989180][ T4713] loop_control_ioctl+0x130/0x4e0 [ 52.990008][ T4713] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.990848][ T4713] invoke_syscall+0x98/0x2b0 [ 52.991542][ T4713] el0_svc_common+0x138/0x258 [ 52.992323][ T4713] do_el0_svc+0x58/0x13c [ 52.993007][ T4713] el0_svc+0x78/0x1d0 [ 52.993647][ T4713] el0t_64_sync_handler+0xcc/0xe4 [ 52.994487][ T4713] el0t_64_sync+0x1a0/0x1a4 [ 53.003343][ T4715] FAULT_INJECTION: forcing a failure. [ 53.003343][ T4715] name failslab, interval 1, probability 0, space 0, times 0 [ 53.005498][ T4715] CPU: 1 PID: 4715 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.006909][ T4715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.008406][ T4715] Call trace: [ 53.008933][ T4715] dump_backtrace+0x0/0x458 [ 53.009678][ T4715] show_stack+0x2c/0x3c [ 53.010358][ T4715] __dump_stack+0x30/0x40 [ 53.011059][ T4715] dump_stack_lvl+0xf4/0x15c [ 53.011788][ T4715] dump_stack+0x1c/0x5c [ 53.012449][ T4715] should_fail+0x3bc/0x514 [ 53.013218][ T4715] __should_failslab+0xbc/0x10c [ 53.014034][ T4715] should_failslab+0x10/0x28 [ 53.014803][ T4715] slab_pre_alloc_hook+0x64/0xe8 [ 53.015614][ T4715] kmem_cache_alloc_trace+0x98/0x3ec [ 53.016550][ T4715] device_add+0xbc/0xf90 [ 53.017226][ T4715] device_add_disk+0x2d0/0xacc [ 53.018034][ T4715] loop_add+0x510/0x6e0 [ 53.018760][ T4715] loop_control_ioctl+0x130/0x4e0 [ 53.019562][ T4715] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.020430][ T4715] invoke_syscall+0x98/0x2b0 [ 53.021185][ T4715] el0_svc_common+0x138/0x258 [ 53.021969][ T4715] do_el0_svc+0x58/0x13c [ 53.022718][ T4715] el0_svc+0x78/0x1d0 [ 53.023363][ T4715] el0t_64_sync_handler+0xcc/0xe4 [ 53.024157][ T4715] el0t_64_sync+0x1a0/0x1a4 [ 53.033766][ T4717] FAULT_INJECTION: forcing a failure. [ 53.033766][ T4717] name failslab, interval 1, probability 0, space 0, times 0 [ 53.035896][ T4717] CPU: 0 PID: 4717 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.037430][ T4717] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.039138][ T4717] Call trace: [ 53.039681][ T4717] dump_backtrace+0x0/0x458 [ 53.040437][ T4717] show_stack+0x2c/0x3c [ 53.041146][ T4717] __dump_stack+0x30/0x40 [ 53.041887][ T4717] dump_stack_lvl+0xf4/0x15c [ 53.042664][ T4717] dump_stack+0x1c/0x5c [ 53.043414][ T4717] should_fail+0x3bc/0x514 [ 53.044187][ T4717] __should_failslab+0xbc/0x10c [ 53.045040][ T4717] should_failslab+0x10/0x28 [ 53.045778][ T4717] slab_pre_alloc_hook+0x64/0xe8 [ 53.046557][ T4717] __kmalloc_track_caller+0x70/0x358 [ 53.047403][ T4717] kstrdup+0xe4/0x15c [ 53.048081][ T4717] kstrdup_const+0x54/0x6c [ 53.048774][ T4717] kvasprintf_const+0x120/0x2e4 [ 53.049610][ T4717] kobject_set_name_vargs+0xd8/0x1c8 [ 53.050538][ T4717] dev_set_name+0xe8/0x13c [ 53.051259][ T4717] device_add_disk+0x258/0xacc [ 53.052083][ T4717] loop_add+0x510/0x6e0 [ 53.052803][ T4717] loop_control_ioctl+0x130/0x4e0 [ 53.053692][ T4717] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.054504][ T4717] invoke_syscall+0x98/0x2b0 [ 53.055243][ T4717] el0_svc_common+0x138/0x258 [ 53.056022][ T4717] do_el0_svc+0x58/0x13c [ 53.056706][ T4717] el0_svc+0x78/0x1d0 [ 53.057374][ T4717] el0t_64_sync_handler+0xcc/0xe4 [ 53.058184][ T4717] el0t_64_sync+0x1a0/0x1a4 [ 53.068960][ T4719] FAULT_INJECTION: forcing a failure. [ 53.068960][ T4719] name failslab, interval 1, probability 0, space 0, times 0 [ 53.071227][ T4719] CPU: 1 PID: 4719 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.072586][ T4719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.074237][ T4719] Call trace: [ 53.074748][ T4719] dump_backtrace+0x0/0x458 [ 53.075461][ T4719] show_stack+0x2c/0x3c [ 53.076165][ T4719] __dump_stack+0x30/0x40 [ 53.076838][ T4719] dump_stack_lvl+0xf4/0x15c [ 53.077551][ T4719] dump_stack+0x1c/0x5c [ 53.078225][ T4719] should_fail+0x3bc/0x514 [ 53.078896][ T4719] __should_failslab+0xbc/0x10c [ 53.079681][ T4719] should_failslab+0x10/0x28 [ 53.080472][ T4719] slab_pre_alloc_hook+0x64/0xe8 [ 53.081234][ T4719] kmem_cache_alloc+0x94/0x3d4 [ 53.081973][ T4719] security_inode_alloc+0x38/0x11c [ 53.082755][ T4719] inode_init_always+0x670/0xa84 [ 53.083487][ T4719] new_inode_pseudo+0x7c/0x1fc [ 53.084289][ T4719] new_inode+0x38/0x174 [ 53.084983][ T4719] bdev_alloc+0x30/0x1f8 [ 53.085645][ T4719] __alloc_disk_node+0xbc/0x450 [ 53.086413][ T4719] __blk_mq_alloc_disk+0xe8/0x154 [ 53.087180][ T4719] loop_add+0x240/0x6e0 [ 53.087829][ T4719] loop_control_ioctl+0x130/0x4e0 [ 53.088629][ T4719] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.089406][ T4719] invoke_syscall+0x98/0x2b0 [ 53.090129][ T4719] el0_svc_common+0x138/0x258 [ 53.090847][ T4719] do_el0_svc+0x58/0x13c [ 53.091520][ T4719] el0_svc+0x78/0x1d0 1970/01/01 00:00:53 executed programs: 112 [ 53.092164][ T4719] el0t_64_sync_handler+0xcc/0xe4 [ 53.092939][ T4719] el0t_64_sync+0x1a0/0x1a4 [ 53.103787][ T4721] FAULT_INJECTION: forcing a failure. [ 53.103787][ T4721] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 53.106038][ T4721] CPU: 0 PID: 4721 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.107534][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.109332][ T4721] Call trace: [ 53.109835][ T4721] dump_backtrace+0x0/0x458 [ 53.110570][ T4721] show_stack+0x2c/0x3c [ 53.111265][ T4721] __dump_stack+0x30/0x40 [ 53.111954][ T4721] dump_stack_lvl+0xf4/0x15c [ 53.112680][ T4721] dump_stack+0x1c/0x5c [ 53.113329][ T4721] should_fail+0x3bc/0x514 [ 53.113989][ T4721] should_fail_alloc_page+0x74/0xa8 [ 53.114784][ T4721] prepare_alloc_pages+0x160/0x45c [ 53.115622][ T4721] __alloc_pages+0x108/0x470 [ 53.116380][ T4721] alloc_pages+0x34c/0x5c0 [ 53.117082][ T4721] new_slab+0xe0/0x544 [ 53.117682][ T4721] ___slab_alloc+0x6b4/0xd8c [ 53.118366][ T4721] __slab_alloc+0x68/0xc0 [ 53.119026][ T4721] __kmalloc_track_caller+0x25c/0x358 [ 53.119896][ T4721] kstrdup+0xe4/0x15c [ 53.120503][ T4721] kstrdup_const+0x54/0x6c [ 53.121218][ T4721] kvasprintf_const+0x120/0x2e4 [ 53.122037][ T4721] kobject_set_name_vargs+0xd8/0x1c8 [ 53.122905][ T4721] dev_set_name+0xe8/0x13c [ 53.123610][ T4721] device_add_disk+0x258/0xacc [ 53.124423][ T4721] loop_add+0x510/0x6e0 [ 53.125063][ T4721] loop_control_ioctl+0x130/0x4e0 [ 53.125832][ T4721] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.126672][ T4721] invoke_syscall+0x98/0x2b0 [ 53.127368][ T4721] el0_svc_common+0x138/0x258 [ 53.128083][ T4721] do_el0_svc+0x58/0x13c [ 53.128766][ T4721] el0_svc+0x78/0x1d0 [ 53.129434][ T4721] el0t_64_sync_handler+0xcc/0xe4 [ 53.130248][ T4721] el0t_64_sync+0x1a0/0x1a4 [ 53.143543][ T4723] FAULT_INJECTION: forcing a failure. [ 53.143543][ T4723] name failslab, interval 1, probability 0, space 0, times 0 [ 53.145541][ T4723] CPU: 0 PID: 4723 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.146955][ T4723] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.148565][ T4723] Call trace: [ 53.149124][ T4723] dump_backtrace+0x0/0x458 [ 53.149879][ T4723] show_stack+0x2c/0x3c [ 53.150535][ T4723] __dump_stack+0x30/0x40 [ 53.151269][ T4723] dump_stack_lvl+0xf4/0x15c [ 53.152038][ T4723] dump_stack+0x1c/0x5c [ 53.152743][ T4723] should_fail+0x3bc/0x514 [ 53.153483][ T4723] __should_failslab+0xbc/0x10c [ 53.154284][ T4723] should_failslab+0x10/0x28 [ 53.155053][ T4723] slab_pre_alloc_hook+0x64/0xe8 [ 53.155854][ T4723] kmem_cache_alloc_trace+0x98/0x3ec [ 53.156722][ T4723] rand_initialize_disk+0x58/0xb8 [ 53.157550][ T4723] __alloc_disk_node+0x2a8/0x450 [ 53.158373][ T4723] __blk_mq_alloc_disk+0xe8/0x154 [ 53.159232][ T4723] loop_add+0x240/0x6e0 [ 53.159908][ T4723] loop_control_ioctl+0x130/0x4e0 [ 53.160757][ T4723] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.161584][ T4723] invoke_syscall+0x98/0x2b0 [ 53.162407][ T4723] el0_svc_common+0x138/0x258 [ 53.163154][ T4723] do_el0_svc+0x58/0x13c [ 53.163850][ T4723] el0_svc+0x78/0x1d0 [ 53.164518][ T4723] el0t_64_sync_handler+0xcc/0xe4 [ 53.165378][ T4723] el0t_64_sync+0x1a0/0x1a4 [ 53.178520][ T4725] FAULT_INJECTION: forcing a failure. [ 53.178520][ T4725] name failslab, interval 1, probability 0, space 0, times 0 [ 53.180787][ T4725] CPU: 1 PID: 4725 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.182200][ T4725] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.183820][ T4725] Call trace: [ 53.184327][ T4725] dump_backtrace+0x0/0x458 [ 53.185009][ T4725] show_stack+0x2c/0x3c [ 53.185673][ T4725] __dump_stack+0x30/0x40 [ 53.186414][ T4725] dump_stack_lvl+0xf4/0x15c [ 53.187131][ T4725] dump_stack+0x1c/0x5c [ 53.187820][ T4725] should_fail+0x3bc/0x514 [ 53.188553][ T4725] __should_failslab+0xbc/0x10c [ 53.189309][ T4725] should_failslab+0x10/0x28 [ 53.190080][ T4725] slab_pre_alloc_hook+0x64/0xe8 [ 53.190934][ T4725] kmem_cache_alloc_trace+0x98/0x3ec [ 53.191808][ T4725] device_add+0xbc/0xf90 [ 53.192517][ T4725] device_add_disk+0x2d0/0xacc [ 53.193266][ T4725] loop_add+0x510/0x6e0 [ 53.193896][ T4725] loop_control_ioctl+0x130/0x4e0 [ 53.194679][ T4725] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.195471][ T4725] invoke_syscall+0x98/0x2b0 [ 53.196148][ T4725] el0_svc_common+0x138/0x258 [ 53.196925][ T4725] do_el0_svc+0x58/0x13c [ 53.197625][ T4725] el0_svc+0x78/0x1d0 [ 53.198241][ T4725] el0t_64_sync_handler+0xcc/0xe4 [ 53.199039][ T4725] el0t_64_sync+0x1a0/0x1a4 [ 53.210082][ T4727] FAULT_INJECTION: forcing a failure. [ 53.210082][ T4727] name failslab, interval 1, probability 0, space 0, times 0 [ 53.212222][ T4727] CPU: 0 PID: 4727 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.213687][ T4727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.215314][ T4727] Call trace: [ 53.215838][ T4727] dump_backtrace+0x0/0x458 [ 53.216486][ T4727] show_stack+0x2c/0x3c [ 53.217121][ T4727] __dump_stack+0x30/0x40 [ 53.217748][ T4727] dump_stack_lvl+0xf4/0x15c [ 53.218452][ T4727] dump_stack+0x1c/0x5c [ 53.219126][ T4727] should_fail+0x3bc/0x514 [ 53.219829][ T4727] __should_failslab+0xbc/0x10c [ 53.220580][ T4727] should_failslab+0x10/0x28 [ 53.221267][ T4727] slab_pre_alloc_hook+0x64/0xe8 [ 53.222041][ T4727] kmem_cache_alloc_trace+0x98/0x3ec [ 53.222903][ T4727] device_add+0xbc/0xf90 [ 53.223568][ T4727] device_add_disk+0x2d0/0xacc [ 53.224399][ T4727] loop_add+0x510/0x6e0 [ 53.225096][ T4727] loop_control_ioctl+0x130/0x4e0 [ 53.225934][ T4727] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.226751][ T4727] invoke_syscall+0x98/0x2b0 [ 53.227483][ T4727] el0_svc_common+0x138/0x258 [ 53.228330][ T4727] do_el0_svc+0x58/0x13c [ 53.229024][ T4727] el0_svc+0x78/0x1d0 [ 53.229698][ T4727] el0t_64_sync_handler+0xcc/0xe4 [ 53.230585][ T4727] el0t_64_sync+0x1a0/0x1a4 [ 53.239588][ T4729] FAULT_INJECTION: forcing a failure. [ 53.239588][ T4729] name failslab, interval 1, probability 0, space 0, times 0 [ 53.241679][ T4729] CPU: 1 PID: 4729 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.243105][ T4729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.244611][ T4729] Call trace: [ 53.245125][ T4729] dump_backtrace+0x0/0x458 [ 53.245895][ T4729] show_stack+0x2c/0x3c [ 53.246572][ T4729] __dump_stack+0x30/0x40 [ 53.247277][ T4729] dump_stack_lvl+0xf4/0x15c [ 53.248028][ T4729] dump_stack+0x1c/0x5c [ 53.248758][ T4729] should_fail+0x3bc/0x514 [ 53.249412][ T4729] __should_failslab+0xbc/0x10c [ 53.250186][ T4729] should_failslab+0x10/0x28 [ 53.250956][ T4729] slab_pre_alloc_hook+0x64/0xe8 [ 53.251765][ T4729] kmem_cache_alloc_trace+0x98/0x3ec [ 53.252527][ T4729] rand_initialize_disk+0x58/0xb8 [ 53.253356][ T4729] __alloc_disk_node+0x2a8/0x450 [ 53.254177][ T4729] __blk_mq_alloc_disk+0xe8/0x154 [ 53.254962][ T4729] loop_add+0x240/0x6e0 [ 53.255651][ T4729] loop_control_ioctl+0x130/0x4e0 [ 53.256463][ T4729] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.257206][ T4729] invoke_syscall+0x98/0x2b0 [ 53.257918][ T4729] el0_svc_common+0x138/0x258 [ 53.258686][ T4729] do_el0_svc+0x58/0x13c [ 53.259386][ T4729] el0_svc+0x78/0x1d0 [ 53.260036][ T4729] el0t_64_sync_handler+0xcc/0xe4 [ 53.260831][ T4729] el0t_64_sync+0x1a0/0x1a4 [ 53.275742][ T4731] FAULT_INJECTION: forcing a failure. [ 53.275742][ T4731] name failslab, interval 1, probability 0, space 0, times 0 [ 53.277710][ T4731] CPU: 1 PID: 4731 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.279141][ T4731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.280702][ T4731] Call trace: [ 53.281316][ T4731] dump_backtrace+0x0/0x458 [ 53.282081][ T4731] show_stack+0x2c/0x3c [ 53.282765][ T4731] __dump_stack+0x30/0x40 [ 53.283515][ T4731] dump_stack_lvl+0xf4/0x15c [ 53.284253][ T4731] dump_stack+0x1c/0x5c [ 53.284942][ T4731] should_fail+0x3bc/0x514 [ 53.285659][ T4731] __should_failslab+0xbc/0x10c [ 53.286478][ T4731] should_failslab+0x10/0x28 [ 53.287226][ T4731] slab_pre_alloc_hook+0x64/0xe8 [ 53.288054][ T4731] kmem_cache_alloc_trace+0x98/0x3ec [ 53.288924][ T4731] device_add+0xbc/0xf90 [ 53.289666][ T4731] device_add_disk+0x2d0/0xacc [ 53.290456][ T4731] loop_add+0x510/0x6e0 [ 53.291131][ T4731] loop_control_ioctl+0x130/0x4e0 [ 53.291963][ T4731] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.292791][ T4731] invoke_syscall+0x98/0x2b0 [ 53.293520][ T4731] el0_svc_common+0x138/0x258 [ 53.294297][ T4731] do_el0_svc+0x58/0x13c [ 53.294950][ T4731] el0_svc+0x78/0x1d0 [ 53.295586][ T4731] el0t_64_sync_handler+0xcc/0xe4 [ 53.296346][ T4731] el0t_64_sync+0x1a0/0x1a4 [ 53.306980][ T4733] FAULT_INJECTION: forcing a failure. [ 53.306980][ T4733] name failslab, interval 1, probability 0, space 0, times 0 [ 53.309032][ T4733] CPU: 0 PID: 4733 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.310584][ T4733] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.312273][ T4733] Call trace: [ 53.312821][ T4733] dump_backtrace+0x0/0x458 [ 53.313577][ T4733] show_stack+0x2c/0x3c [ 53.314239][ T4733] __dump_stack+0x30/0x40 [ 53.314920][ T4733] dump_stack_lvl+0xf4/0x15c [ 53.315677][ T4733] dump_stack+0x1c/0x5c [ 53.316314][ T4733] should_fail+0x3bc/0x514 [ 53.316992][ T4733] __should_failslab+0xbc/0x10c [ 53.317791][ T4733] should_failslab+0x10/0x28 [ 53.318550][ T4733] slab_pre_alloc_hook+0x64/0xe8 [ 53.319333][ T4733] kmem_cache_alloc+0x94/0x3d4 [ 53.320061][ T4733] security_inode_alloc+0x38/0x11c [ 53.320845][ T4733] inode_init_always+0x670/0xa84 [ 53.321604][ T4733] new_inode_pseudo+0x7c/0x1fc [ 53.322369][ T4733] new_inode+0x38/0x174 [ 53.323075][ T4733] bdev_alloc+0x30/0x1f8 [ 53.323797][ T4733] __alloc_disk_node+0xbc/0x450 [ 53.324598][ T4733] __blk_mq_alloc_disk+0xe8/0x154 [ 53.325461][ T4733] loop_add+0x240/0x6e0 [ 53.326135][ T4733] loop_control_ioctl+0x130/0x4e0 [ 53.326992][ T4733] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.327782][ T4733] invoke_syscall+0x98/0x2b0 [ 53.328521][ T4733] el0_svc_common+0x138/0x258 [ 53.329278][ T4733] do_el0_svc+0x58/0x13c [ 53.329957][ T4733] el0_svc+0x78/0x1d0 [ 53.330647][ T4733] el0t_64_sync_handler+0xcc/0xe4 [ 53.331508][ T4733] el0t_64_sync+0x1a0/0x1a4 [ 53.339251][ T4735] FAULT_INJECTION: forcing a failure. [ 53.339251][ T4735] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 53.341349][ T4735] CPU: 1 PID: 4735 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.342707][ T4735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.344155][ T4735] Call trace: [ 53.344661][ T4735] dump_backtrace+0x0/0x458 [ 53.345312][ T4735] show_stack+0x2c/0x3c [ 53.346012][ T4735] __dump_stack+0x30/0x40 [ 53.346639][ T4735] dump_stack_lvl+0xf4/0x15c [ 53.347320][ T4735] dump_stack+0x1c/0x5c [ 53.348001][ T4735] should_fail+0x3bc/0x514 [ 53.348719][ T4735] should_fail_alloc_page+0x74/0xa8 [ 53.349589][ T4735] prepare_alloc_pages+0x160/0x45c [ 53.350445][ T4735] __alloc_pages+0x108/0x470 [ 53.351164][ T4735] alloc_pages+0x34c/0x5c0 [ 53.351851][ T4735] new_slab+0xe0/0x544 [ 53.352500][ T4735] ___slab_alloc+0x6b4/0xd8c [ 53.353219][ T4735] __slab_alloc+0x68/0xc0 [ 53.353920][ T4735] kmem_cache_alloc+0x2a4/0x3d4 [ 53.354722][ T4735] bdev_alloc_inode+0x24/0x60 [ 53.355457][ T4735] new_inode_pseudo+0x68/0x1fc [ 53.356233][ T4735] new_inode+0x38/0x174 [ 53.356905][ T4735] bdev_alloc+0x30/0x1f8 [ 53.357582][ T4735] __alloc_disk_node+0xbc/0x450 [ 53.358311][ T4735] __blk_mq_alloc_disk+0xe8/0x154 [ 53.359066][ T4735] loop_add+0x240/0x6e0 [ 53.359719][ T4735] loop_control_ioctl+0x130/0x4e0 [ 53.360510][ T4735] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.361321][ T4735] invoke_syscall+0x98/0x2b0 [ 53.362038][ T4735] el0_svc_common+0x138/0x258 [ 53.362808][ T4735] do_el0_svc+0x58/0x13c [ 53.363550][ T4735] el0_svc+0x78/0x1d0 [ 53.364163][ T4735] el0t_64_sync_handler+0xcc/0xe4 [ 53.364916][ T4735] el0t_64_sync+0x1a0/0x1a4 [ 53.376934][ T4737] FAULT_INJECTION: forcing a failure. [ 53.376934][ T4737] name failslab, interval 1, probability 0, space 0, times 0 [ 53.379089][ T4737] CPU: 1 PID: 4737 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.380449][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.382014][ T4737] Call trace: [ 53.382560][ T4737] dump_backtrace+0x0/0x458 [ 53.383295][ T4737] show_stack+0x2c/0x3c [ 53.383961][ T4737] __dump_stack+0x30/0x40 [ 53.384673][ T4737] dump_stack_lvl+0xf4/0x15c [ 53.385388][ T4737] dump_stack+0x1c/0x5c [ 53.386040][ T4737] should_fail+0x3bc/0x514 [ 53.386761][ T4737] __should_failslab+0xbc/0x10c [ 53.387520][ T4737] should_failslab+0x10/0x28 [ 53.388327][ T4737] slab_pre_alloc_hook+0x64/0xe8 [ 53.389141][ T4737] kmem_cache_alloc+0x94/0x3d4 [ 53.389885][ T4737] security_inode_alloc+0x38/0x11c [ 53.390720][ T4737] inode_init_always+0x670/0xa84 [ 53.391531][ T4737] new_inode_pseudo+0x7c/0x1fc [ 53.392318][ T4737] new_inode+0x38/0x174 [ 53.392982][ T4737] bdev_alloc+0x30/0x1f8 [ 53.393686][ T4737] __alloc_disk_node+0xbc/0x450 [ 53.394504][ T4737] __blk_mq_alloc_disk+0xe8/0x154 [ 53.395265][ T4737] loop_add+0x240/0x6e0 [ 53.395888][ T4737] loop_control_ioctl+0x130/0x4e0 [ 53.396670][ T4737] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.397441][ T4737] invoke_syscall+0x98/0x2b0 [ 53.398114][ T4737] el0_svc_common+0x138/0x258 [ 53.398881][ T4737] do_el0_svc+0x58/0x13c [ 53.399610][ T4737] el0_svc+0x78/0x1d0 [ 53.400290][ T4737] el0t_64_sync_handler+0xcc/0xe4 [ 53.401132][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 53.410320][ T4739] FAULT_INJECTION: forcing a failure. [ 53.410320][ T4739] name failslab, interval 1, probability 0, space 0, times 0 [ 53.412352][ T4739] CPU: 1 PID: 4739 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.413776][ T4739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.415312][ T4739] Call trace: [ 53.415796][ T4739] dump_backtrace+0x0/0x458 [ 53.416534][ T4739] show_stack+0x2c/0x3c [ 53.417181][ T4739] __dump_stack+0x30/0x40 [ 53.417887][ T4739] dump_stack_lvl+0xf4/0x15c [ 53.418579][ T4739] dump_stack+0x1c/0x5c [ 53.419215][ T4739] should_fail+0x3bc/0x514 [ 53.419978][ T4739] __should_failslab+0xbc/0x10c [ 53.420832][ T4739] should_failslab+0x10/0x28 [ 53.421551][ T4739] slab_pre_alloc_hook+0x64/0xe8 [ 53.422405][ T4739] kmem_cache_alloc_trace+0x98/0x3ec [ 53.423299][ T4739] rand_initialize_disk+0x58/0xb8 [ 53.424136][ T4739] __alloc_disk_node+0x2a8/0x450 [ 53.424903][ T4739] __blk_mq_alloc_disk+0xe8/0x154 [ 53.425738][ T4739] loop_add+0x240/0x6e0 [ 53.426411][ T4739] loop_control_ioctl+0x130/0x4e0 [ 53.427187][ T4739] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.427952][ T4739] invoke_syscall+0x98/0x2b0 [ 53.428690][ T4739] el0_svc_common+0x138/0x258 [ 53.429402][ T4739] do_el0_svc+0x58/0x13c [ 53.430138][ T4739] el0_svc+0x78/0x1d0 [ 53.430785][ T4739] el0t_64_sync_handler+0xcc/0xe4 [ 53.431595][ T4739] el0t_64_sync+0x1a0/0x1a4 [ 53.442226][ T4741] FAULT_INJECTION: forcing a failure. [ 53.442226][ T4741] name failslab, interval 1, probability 0, space 0, times 0 [ 53.444252][ T4741] CPU: 0 PID: 4741 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.445631][ T4741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.447246][ T4741] Call trace: [ 53.447730][ T4741] dump_backtrace+0x0/0x458 [ 53.448447][ T4741] show_stack+0x2c/0x3c [ 53.449167][ T4741] __dump_stack+0x30/0x40 [ 53.449922][ T4741] dump_stack_lvl+0xf4/0x15c [ 53.450695][ T4741] dump_stack+0x1c/0x5c [ 53.451401][ T4741] should_fail+0x3bc/0x514 [ 53.452127][ T4741] __should_failslab+0xbc/0x10c [ 53.452962][ T4741] should_failslab+0x10/0x28 [ 53.453738][ T4741] slab_pre_alloc_hook+0x64/0xe8 [ 53.454578][ T4741] __kmalloc_track_caller+0x70/0x358 [ 53.455469][ T4741] kstrdup+0xe4/0x15c [ 53.456150][ T4741] kstrdup_const+0x54/0x6c [ 53.456912][ T4741] kvasprintf_const+0x120/0x2e4 [ 53.457751][ T4741] kobject_set_name_vargs+0xd8/0x1c8 [ 53.458598][ T4741] dev_set_name+0xe8/0x13c [ 53.459326][ T4741] device_add_disk+0x258/0xacc [ 53.460045][ T4741] loop_add+0x510/0x6e0 [ 53.460728][ T4741] loop_control_ioctl+0x130/0x4e0 [ 53.461521][ T4741] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.462342][ T4741] invoke_syscall+0x98/0x2b0 [ 53.463136][ T4741] el0_svc_common+0x138/0x258 [ 53.463924][ T4741] do_el0_svc+0x58/0x13c [ 53.464678][ T4741] el0_svc+0x78/0x1d0 [ 53.465323][ T4741] el0t_64_sync_handler+0xcc/0xe4 [ 53.466159][ T4741] el0t_64_sync+0x1a0/0x1a4 [ 53.475668][ T4743] FAULT_INJECTION: forcing a failure. [ 53.475668][ T4743] name failslab, interval 1, probability 0, space 0, times 0 [ 53.477693][ T4743] CPU: 1 PID: 4743 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.479089][ T4743] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.480758][ T4743] Call trace: [ 53.481287][ T4743] dump_backtrace+0x0/0x458 [ 53.482002][ T4743] show_stack+0x2c/0x3c [ 53.482687][ T4743] __dump_stack+0x30/0x40 [ 53.483407][ T4743] dump_stack_lvl+0xf4/0x15c [ 53.484163][ T4743] dump_stack+0x1c/0x5c [ 53.484853][ T4743] should_fail+0x3bc/0x514 [ 53.485587][ T4743] __should_failslab+0xbc/0x10c [ 53.486367][ T4743] should_failslab+0x10/0x28 [ 53.487097][ T4743] slab_pre_alloc_hook+0x64/0xe8 [ 53.487902][ T4743] __kmalloc_track_caller+0x70/0x358 [ 53.488744][ T4743] kstrdup+0xe4/0x15c [ 53.489345][ T4743] kstrdup_const+0x54/0x6c [ 53.490046][ T4743] kvasprintf_const+0x120/0x2e4 [ 53.490808][ T4743] kobject_set_name_vargs+0xd8/0x1c8 [ 53.491581][ T4743] dev_set_name+0xe8/0x13c [ 53.492231][ T4743] device_add_disk+0x258/0xacc [ 53.492931][ T4743] loop_add+0x510/0x6e0 [ 53.493509][ T4743] loop_control_ioctl+0x130/0x4e0 [ 53.494238][ T4743] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.494948][ T4743] invoke_syscall+0x98/0x2b0 [ 53.495641][ T4743] el0_svc_common+0x138/0x258 [ 53.496328][ T4743] do_el0_svc+0x58/0x13c [ 53.496953][ T4743] el0_svc+0x78/0x1d0 [ 53.497540][ T4743] el0t_64_sync_handler+0xcc/0xe4 [ 53.498293][ T4743] el0t_64_sync+0x1a0/0x1a4 [ 53.507710][ T4745] FAULT_INJECTION: forcing a failure. [ 53.507710][ T4745] name failslab, interval 1, probability 0, space 0, times 0 [ 53.510370][ T4745] CPU: 1 PID: 4745 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.511828][ T4745] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.513466][ T4745] Call trace: [ 53.514009][ T4745] dump_backtrace+0x0/0x458 [ 53.514735][ T4745] show_stack+0x2c/0x3c [ 53.515348][ T4745] __dump_stack+0x30/0x40 [ 53.516004][ T4745] dump_stack_lvl+0xf4/0x15c [ 53.516715][ T4745] dump_stack+0x1c/0x5c [ 53.517333][ T4745] should_fail+0x3bc/0x514 [ 53.518015][ T4745] __should_failslab+0xbc/0x10c [ 53.518739][ T4745] should_failslab+0x10/0x28 [ 53.519490][ T4745] slab_pre_alloc_hook+0x64/0xe8 [ 53.520298][ T4745] kmem_cache_alloc_trace+0x98/0x3ec [ 53.521101][ T4745] rand_initialize_disk+0x58/0xb8 [ 53.521895][ T4745] __alloc_disk_node+0x2a8/0x450 [ 53.522681][ T4745] __blk_mq_alloc_disk+0xe8/0x154 [ 53.523533][ T4745] loop_add+0x240/0x6e0 [ 53.524185][ T4745] loop_control_ioctl+0x130/0x4e0 [ 53.524971][ T4745] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.525772][ T4745] invoke_syscall+0x98/0x2b0 [ 53.526513][ T4745] el0_svc_common+0x138/0x258 [ 53.527241][ T4745] do_el0_svc+0x58/0x13c [ 53.527932][ T4745] el0_svc+0x78/0x1d0 [ 53.528589][ T4745] el0t_64_sync_handler+0xcc/0xe4 [ 53.529363][ T4745] el0t_64_sync+0x1a0/0x1a4 [ 53.540248][ T4747] FAULT_INJECTION: forcing a failure. [ 53.540248][ T4747] name failslab, interval 1, probability 0, space 0, times 0 [ 53.542304][ T4747] CPU: 0 PID: 4747 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.543732][ T4747] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.545334][ T4747] Call trace: [ 53.545847][ T4747] dump_backtrace+0x0/0x458 [ 53.546580][ T4747] show_stack+0x2c/0x3c [ 53.547231][ T4747] __dump_stack+0x30/0x40 [ 53.547960][ T4747] dump_stack_lvl+0xf4/0x15c [ 53.548740][ T4747] dump_stack+0x1c/0x5c [ 53.549436][ T4747] should_fail+0x3bc/0x514 [ 53.550181][ T4747] __should_failslab+0xbc/0x10c [ 53.551018][ T4747] should_failslab+0x10/0x28 [ 53.551776][ T4747] slab_pre_alloc_hook+0x64/0xe8 [ 53.552534][ T4747] __kmalloc_track_caller+0x70/0x358 [ 53.553387][ T4747] kstrdup+0xe4/0x15c [ 53.554020][ T4747] kstrdup_const+0x54/0x6c [ 53.554727][ T4747] kvasprintf_const+0x120/0x2e4 [ 53.555521][ T4747] kobject_set_name_vargs+0xd8/0x1c8 [ 53.556420][ T4747] dev_set_name+0xe8/0x13c [ 53.557157][ T4747] device_add_disk+0x258/0xacc [ 53.557951][ T4747] loop_add+0x510/0x6e0 [ 53.558641][ T4747] loop_control_ioctl+0x130/0x4e0 [ 53.559475][ T4747] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.560285][ T4747] invoke_syscall+0x98/0x2b0 [ 53.561035][ T4747] el0_svc_common+0x138/0x258 [ 53.561832][ T4747] do_el0_svc+0x58/0x13c [ 53.562547][ T4747] el0_svc+0x78/0x1d0 [ 53.563219][ T4747] el0t_64_sync_handler+0xcc/0xe4 [ 53.564047][ T4747] el0t_64_sync+0x1a0/0x1a4 [ 53.572059][ T4749] FAULT_INJECTION: forcing a failure. [ 53.572059][ T4749] name failslab, interval 1, probability 0, space 0, times 0 [ 53.574097][ T4749] CPU: 0 PID: 4749 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.575572][ T4749] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.577076][ T4749] Call trace: [ 53.577582][ T4749] dump_backtrace+0x0/0x458 [ 53.578296][ T4749] show_stack+0x2c/0x3c [ 53.578910][ T4749] __dump_stack+0x30/0x40 [ 53.579615][ T4749] dump_stack_lvl+0xf4/0x15c [ 53.580414][ T4749] dump_stack+0x1c/0x5c [ 53.581087][ T4749] should_fail+0x3bc/0x514 [ 53.581805][ T4749] __should_failslab+0xbc/0x10c [ 53.582668][ T4749] should_failslab+0x10/0x28 [ 53.583463][ T4749] slab_pre_alloc_hook+0x64/0xe8 [ 53.584277][ T4749] __kmalloc_track_caller+0x70/0x358 [ 53.585139][ T4749] kstrdup+0xe4/0x15c [ 53.585804][ T4749] kstrdup_const+0x54/0x6c [ 53.586507][ T4749] kvasprintf_const+0x120/0x2e4 [ 53.587309][ T4749] kobject_set_name_vargs+0xd8/0x1c8 [ 53.588161][ T4749] dev_set_name+0xe8/0x13c [ 53.588908][ T4749] device_add_disk+0x258/0xacc [ 53.589633][ T4749] loop_add+0x510/0x6e0 [ 53.590281][ T4749] loop_control_ioctl+0x130/0x4e0 [ 53.591075][ T4749] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.591852][ T4749] invoke_syscall+0x98/0x2b0 [ 53.592582][ T4749] el0_svc_common+0x138/0x258 [ 53.593318][ T4749] do_el0_svc+0x58/0x13c [ 53.593976][ T4749] el0_svc+0x78/0x1d0 [ 53.594596][ T4749] el0t_64_sync_handler+0xcc/0xe4 [ 53.595418][ T4749] el0t_64_sync+0x1a0/0x1a4 [ 53.605046][ T4751] FAULT_INJECTION: forcing a failure. [ 53.605046][ T4751] name failslab, interval 1, probability 0, space 0, times 0 [ 53.607075][ T4751] CPU: 1 PID: 4751 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.608514][ T4751] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.610186][ T4751] Call trace: [ 53.610721][ T4751] dump_backtrace+0x0/0x458 [ 53.611416][ T4751] show_stack+0x2c/0x3c [ 53.612092][ T4751] __dump_stack+0x30/0x40 [ 53.612719][ T4751] dump_stack_lvl+0xf4/0x15c [ 53.613422][ T4751] dump_stack+0x1c/0x5c [ 53.614095][ T4751] should_fail+0x3bc/0x514 [ 53.614819][ T4751] __should_failslab+0xbc/0x10c [ 53.615636][ T4751] should_failslab+0x10/0x28 [ 53.616356][ T4751] slab_pre_alloc_hook+0x64/0xe8 [ 53.617133][ T4751] kmem_cache_alloc+0x94/0x3d4 [ 53.617884][ T4751] security_inode_alloc+0x38/0x11c [ 53.618682][ T4751] inode_init_always+0x670/0xa84 [ 53.619463][ T4751] new_inode_pseudo+0x7c/0x1fc [ 53.620199][ T4751] new_inode+0x38/0x174 [ 53.620823][ T4751] bdev_alloc+0x30/0x1f8 [ 53.621474][ T4751] __alloc_disk_node+0xbc/0x450 [ 53.622267][ T4751] __blk_mq_alloc_disk+0xe8/0x154 [ 53.623114][ T4751] loop_add+0x240/0x6e0 [ 53.623745][ T4751] loop_control_ioctl+0x130/0x4e0 [ 53.624519][ T4751] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.625287][ T4751] invoke_syscall+0x98/0x2b0 [ 53.626005][ T4751] el0_svc_common+0x138/0x258 [ 53.626789][ T4751] do_el0_svc+0x58/0x13c [ 53.627460][ T4751] el0_svc+0x78/0x1d0 [ 53.628075][ T4751] el0t_64_sync_handler+0xcc/0xe4 [ 53.628859][ T4751] el0t_64_sync+0x1a0/0x1a4 [ 53.637696][ T4753] FAULT_INJECTION: forcing a failure. [ 53.637696][ T4753] name failslab, interval 1, probability 0, space 0, times 0 [ 53.639986][ T4753] CPU: 0 PID: 4753 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.641352][ T4753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.643010][ T4753] Call trace: [ 53.643517][ T4753] dump_backtrace+0x0/0x458 [ 53.644180][ T4753] show_stack+0x2c/0x3c [ 53.644823][ T4753] __dump_stack+0x30/0x40 [ 53.645482][ T4753] dump_stack_lvl+0xf4/0x15c [ 53.646158][ T4753] dump_stack+0x1c/0x5c [ 53.646775][ T4753] should_fail+0x3bc/0x514 [ 53.647438][ T4753] __should_failslab+0xbc/0x10c [ 53.648276][ T4753] should_failslab+0x10/0x28 [ 53.648939][ T4753] slab_pre_alloc_hook+0x64/0xe8 [ 53.649683][ T4753] kmem_cache_alloc+0x94/0x3d4 [ 53.650455][ T4753] bdev_alloc_inode+0x24/0x60 [ 53.651186][ T4753] new_inode_pseudo+0x68/0x1fc [ 53.651870][ T4753] new_inode+0x38/0x174 [ 53.652530][ T4753] bdev_alloc+0x30/0x1f8 [ 53.653165][ T4753] __alloc_disk_node+0xbc/0x450 [ 53.653922][ T4753] __blk_mq_alloc_disk+0xe8/0x154 [ 53.654745][ T4753] loop_add+0x240/0x6e0 [ 53.655406][ T4753] loop_control_ioctl+0x130/0x4e0 [ 53.656187][ T4753] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.656951][ T4753] invoke_syscall+0x98/0x2b0 [ 53.657673][ T4753] el0_svc_common+0x138/0x258 [ 53.658376][ T4753] do_el0_svc+0x58/0x13c [ 53.659031][ T4753] el0_svc+0x78/0x1d0 [ 53.659656][ T4753] el0t_64_sync_handler+0xcc/0xe4 [ 53.660446][ T4753] el0t_64_sync+0x1a0/0x1a4 [ 53.670238][ T4755] FAULT_INJECTION: forcing a failure. [ 53.670238][ T4755] name failslab, interval 1, probability 0, space 0, times 0 [ 53.672377][ T4755] CPU: 0 PID: 4755 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.673768][ T4755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.675380][ T4755] Call trace: [ 53.675882][ T4755] dump_backtrace+0x0/0x458 [ 53.676557][ T4755] show_stack+0x2c/0x3c [ 53.677206][ T4755] __dump_stack+0x30/0x40 [ 53.677884][ T4755] dump_stack_lvl+0xf4/0x15c [ 53.678660][ T4755] dump_stack+0x1c/0x5c [ 53.679343][ T4755] should_fail+0x3bc/0x514 [ 53.680043][ T4755] __should_failslab+0xbc/0x10c [ 53.680816][ T4755] should_failslab+0x10/0x28 [ 53.681652][ T4755] slab_pre_alloc_hook+0x64/0xe8 [ 53.682459][ T4755] kmem_cache_alloc_trace+0x98/0x3ec [ 53.683293][ T4755] device_add+0xbc/0xf90 [ 53.683945][ T4755] device_add_disk+0x2d0/0xacc [ 53.684733][ T4755] loop_add+0x510/0x6e0 [ 53.685370][ T4755] loop_control_ioctl+0x130/0x4e0 [ 53.686136][ T4755] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.686892][ T4755] invoke_syscall+0x98/0x2b0 [ 53.687637][ T4755] el0_svc_common+0x138/0x258 [ 53.688374][ T4755] do_el0_svc+0x58/0x13c [ 53.689074][ T4755] el0_svc+0x78/0x1d0 [ 53.689687][ T4755] el0t_64_sync_handler+0xcc/0xe4 [ 53.690466][ T4755] el0t_64_sync+0x1a0/0x1a4 [ 53.699646][ T4757] FAULT_INJECTION: forcing a failure. [ 53.699646][ T4757] name failslab, interval 1, probability 0, space 0, times 0 [ 53.701630][ T4757] CPU: 1 PID: 4757 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.702997][ T4757] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.704593][ T4757] Call trace: [ 53.705100][ T4757] dump_backtrace+0x0/0x458 [ 53.705860][ T4757] show_stack+0x2c/0x3c [ 53.706479][ T4757] __dump_stack+0x30/0x40 [ 53.707182][ T4757] dump_stack_lvl+0xf4/0x15c [ 53.707897][ T4757] dump_stack+0x1c/0x5c [ 53.708543][ T4757] should_fail+0x3bc/0x514 [ 53.709221][ T4757] __should_failslab+0xbc/0x10c [ 53.710037][ T4757] should_failslab+0x10/0x28 [ 53.710820][ T4757] slab_pre_alloc_hook+0x64/0xe8 [ 53.711546][ T4757] kmem_cache_alloc_trace+0x98/0x3ec [ 53.712399][ T4757] device_add+0xbc/0xf90 [ 53.713121][ T4757] device_add_disk+0x2d0/0xacc [ 53.713916][ T4757] loop_add+0x510/0x6e0 [ 53.714576][ T4757] loop_control_ioctl+0x130/0x4e0 [ 53.715412][ T4757] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.716238][ T4757] invoke_syscall+0x98/0x2b0 [ 53.716985][ T4757] el0_svc_common+0x138/0x258 [ 53.717719][ T4757] do_el0_svc+0x58/0x13c [ 53.718403][ T4757] el0_svc+0x78/0x1d0 [ 53.719059][ T4757] el0t_64_sync_handler+0xcc/0xe4 [ 53.719896][ T4757] el0t_64_sync+0x1a0/0x1a4 [ 53.728618][ T4759] FAULT_INJECTION: forcing a failure. [ 53.728618][ T4759] name failslab, interval 1, probability 0, space 0, times 0 [ 53.730699][ T4759] CPU: 1 PID: 4759 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.732055][ T4759] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.733522][ T4759] Call trace: [ 53.734021][ T4759] dump_backtrace+0x0/0x458 [ 53.734627][ T4759] show_stack+0x2c/0x3c [ 53.735233][ T4759] __dump_stack+0x30/0x40 [ 53.735883][ T4759] dump_stack_lvl+0xf4/0x15c [ 53.736597][ T4759] dump_stack+0x1c/0x5c [ 53.737233][ T4759] should_fail+0x3bc/0x514 [ 53.737956][ T4759] __should_failslab+0xbc/0x10c [ 53.738698][ T4759] should_failslab+0x10/0x28 [ 53.739447][ T4759] slab_pre_alloc_hook+0x64/0xe8 [ 53.740219][ T4759] kmem_cache_alloc_trace+0x98/0x3ec [ 53.741092][ T4759] rand_initialize_disk+0x58/0xb8 [ 53.741945][ T4759] __alloc_disk_node+0x2a8/0x450 [ 53.742713][ T4759] __blk_mq_alloc_disk+0xe8/0x154 [ 53.743508][ T4759] loop_add+0x240/0x6e0 [ 53.744211][ T4759] loop_control_ioctl+0x130/0x4e0 [ 53.745002][ T4759] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.745833][ T4759] invoke_syscall+0x98/0x2b0 [ 53.746600][ T4759] el0_svc_common+0x138/0x258 [ 53.747321][ T4759] do_el0_svc+0x58/0x13c [ 53.748004][ T4759] el0_svc+0x78/0x1d0 [ 53.748615][ T4759] el0t_64_sync_handler+0xcc/0xe4 [ 53.749429][ T4759] el0t_64_sync+0x1a0/0x1a4 [ 53.760642][ T4761] FAULT_INJECTION: forcing a failure. [ 53.760642][ T4761] name failslab, interval 1, probability 0, space 0, times 0 [ 53.762630][ T4761] CPU: 0 PID: 4761 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.764130][ T4761] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.765723][ T4761] Call trace: [ 53.766217][ T4761] dump_backtrace+0x0/0x458 [ 53.766987][ T4761] show_stack+0x2c/0x3c [ 53.767678][ T4761] __dump_stack+0x30/0x40 [ 53.768386][ T4761] dump_stack_lvl+0xf4/0x15c [ 53.769103][ T4761] dump_stack+0x1c/0x5c [ 53.769777][ T4761] should_fail+0x3bc/0x514 [ 53.770514][ T4761] __should_failslab+0xbc/0x10c [ 53.771287][ T4761] should_failslab+0x10/0x28 [ 53.772019][ T4761] slab_pre_alloc_hook+0x64/0xe8 [ 53.772856][ T4761] kmem_cache_alloc_trace+0x98/0x3ec [ 53.773735][ T4761] device_add+0xbc/0xf90 [ 53.774432][ T4761] device_add_disk+0x2d0/0xacc [ 53.775223][ T4761] loop_add+0x510/0x6e0 [ 53.775871][ T4761] loop_control_ioctl+0x130/0x4e0 [ 53.776647][ T4761] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.777424][ T4761] invoke_syscall+0x98/0x2b0 [ 53.778166][ T4761] el0_svc_common+0x138/0x258 [ 53.778915][ T4761] do_el0_svc+0x58/0x13c [ 53.779645][ T4761] el0_svc+0x78/0x1d0 [ 53.780296][ T4761] el0t_64_sync_handler+0xcc/0xe4 [ 53.781118][ T4761] el0t_64_sync+0x1a0/0x1a4 [ 53.790161][ T4763] FAULT_INJECTION: forcing a failure. [ 53.790161][ T4763] name failslab, interval 1, probability 0, space 0, times 0 [ 53.792118][ T4763] CPU: 1 PID: 4763 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.793454][ T4763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.794981][ T4763] Call trace: [ 53.795507][ T4763] dump_backtrace+0x0/0x458 [ 53.796161][ T4763] show_stack+0x2c/0x3c [ 53.796740][ T4763] __dump_stack+0x30/0x40 [ 53.797421][ T4763] dump_stack_lvl+0xf4/0x15c [ 53.798172][ T4763] dump_stack+0x1c/0x5c [ 53.798861][ T4763] should_fail+0x3bc/0x514 [ 53.799592][ T4763] __should_failslab+0xbc/0x10c [ 53.800358][ T4763] should_failslab+0x10/0x28 [ 53.801052][ T4763] slab_pre_alloc_hook+0x64/0xe8 [ 53.801823][ T4763] kmem_cache_alloc_trace+0x98/0x3ec [ 53.802698][ T4763] device_add+0xbc/0xf90 [ 53.803377][ T4763] device_add_disk+0x2d0/0xacc [ 53.804141][ T4763] loop_add+0x510/0x6e0 [ 53.804798][ T4763] loop_control_ioctl+0x130/0x4e0 [ 53.805583][ T4763] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.806410][ T4763] invoke_syscall+0x98/0x2b0 [ 53.807139][ T4763] el0_svc_common+0x138/0x258 [ 53.807893][ T4763] do_el0_svc+0x58/0x13c [ 53.808541][ T4763] el0_svc+0x78/0x1d0 [ 53.809166][ T4763] el0t_64_sync_handler+0xcc/0xe4 [ 53.809954][ T4763] el0t_64_sync+0x1a0/0x1a4 [ 53.819068][ T4765] FAULT_INJECTION: forcing a failure. [ 53.819068][ T4765] name failslab, interval 1, probability 0, space 0, times 0 [ 53.821102][ T4765] CPU: 1 PID: 4765 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.822538][ T4765] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.824139][ T4765] Call trace: [ 53.824662][ T4765] dump_backtrace+0x0/0x458 [ 53.825350][ T4765] show_stack+0x2c/0x3c [ 53.826017][ T4765] __dump_stack+0x30/0x40 [ 53.826721][ T4765] dump_stack_lvl+0xf4/0x15c [ 53.827479][ T4765] dump_stack+0x1c/0x5c [ 53.828164][ T4765] should_fail+0x3bc/0x514 [ 53.828872][ T4765] __should_failslab+0xbc/0x10c [ 53.829643][ T4765] should_failslab+0x10/0x28 [ 53.830384][ T4765] slab_pre_alloc_hook+0x64/0xe8 [ 53.831152][ T4765] kmem_cache_alloc_trace+0x98/0x3ec [ 53.832032][ T4765] rand_initialize_disk+0x58/0xb8 [ 53.832900][ T4765] __alloc_disk_node+0x2a8/0x450 [ 53.833677][ T4765] __blk_mq_alloc_disk+0xe8/0x154 [ 53.834486][ T4765] loop_add+0x240/0x6e0 [ 53.835186][ T4765] loop_control_ioctl+0x130/0x4e0 [ 53.836045][ T4765] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.836977][ T4765] invoke_syscall+0x98/0x2b0 [ 53.837732][ T4765] el0_svc_common+0x138/0x258 [ 53.838429][ T4765] do_el0_svc+0x58/0x13c [ 53.839047][ T4765] el0_svc+0x78/0x1d0 [ 53.839681][ T4765] el0t_64_sync_handler+0xcc/0xe4 [ 53.840490][ T4765] el0t_64_sync+0x1a0/0x1a4 [ 53.852994][ T4767] FAULT_INJECTION: forcing a failure. [ 53.852994][ T4767] name failslab, interval 1, probability 0, space 0, times 0 [ 53.855129][ T4767] CPU: 0 PID: 4767 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.856494][ T4767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.858214][ T4767] Call trace: [ 53.858732][ T4767] dump_backtrace+0x0/0x458 [ 53.859479][ T4767] show_stack+0x2c/0x3c [ 53.860162][ T4767] __dump_stack+0x30/0x40 [ 53.860839][ T4767] dump_stack_lvl+0xf4/0x15c [ 53.861563][ T4767] dump_stack+0x1c/0x5c [ 53.862234][ T4767] should_fail+0x3bc/0x514 [ 53.862944][ T4767] __should_failslab+0xbc/0x10c [ 53.863752][ T4767] should_failslab+0x10/0x28 [ 53.864520][ T4767] slab_pre_alloc_hook+0x64/0xe8 [ 53.865301][ T4767] __kmalloc_track_caller+0x70/0x358 [ 53.866124][ T4767] kstrdup+0xe4/0x15c [ 53.866746][ T4767] kstrdup_const+0x54/0x6c [ 53.867526][ T4767] kvasprintf_const+0x120/0x2e4 [ 53.868320][ T4767] kobject_set_name_vargs+0xd8/0x1c8 [ 53.869163][ T4767] dev_set_name+0xe8/0x13c [ 53.869932][ T4767] device_add_disk+0x258/0xacc [ 53.870762][ T4767] loop_add+0x510/0x6e0 [ 53.871448][ T4767] loop_control_ioctl+0x130/0x4e0 [ 53.872303][ T4767] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.873173][ T4767] invoke_syscall+0x98/0x2b0 [ 53.873966][ T4767] el0_svc_common+0x138/0x258 [ 53.874747][ T4767] do_el0_svc+0x58/0x13c [ 53.875452][ T4767] el0_svc+0x78/0x1d0 [ 53.876128][ T4767] el0t_64_sync_handler+0xcc/0xe4 [ 53.876957][ T4767] el0t_64_sync+0x1a0/0x1a4 [ 53.885601][ T4769] FAULT_INJECTION: forcing a failure. [ 53.885601][ T4769] name failslab, interval 1, probability 0, space 0, times 0 [ 53.887721][ T4769] CPU: 1 PID: 4769 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.889135][ T4769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.890715][ T4769] Call trace: [ 53.891203][ T4769] dump_backtrace+0x0/0x458 [ 53.891890][ T4769] show_stack+0x2c/0x3c [ 53.892541][ T4769] __dump_stack+0x30/0x40 [ 53.893151][ T4769] dump_stack_lvl+0xf4/0x15c [ 53.893838][ T4769] dump_stack+0x1c/0x5c [ 53.894486][ T4769] should_fail+0x3bc/0x514 [ 53.895221][ T4769] __should_failslab+0xbc/0x10c [ 53.896020][ T4769] should_failslab+0x10/0x28 [ 53.896798][ T4769] slab_pre_alloc_hook+0x64/0xe8 [ 53.897612][ T4769] kmem_cache_alloc_trace+0x98/0x3ec [ 53.898519][ T4769] rand_initialize_disk+0x58/0xb8 [ 53.899356][ T4769] __alloc_disk_node+0x2a8/0x450 [ 53.900129][ T4769] __blk_mq_alloc_disk+0xe8/0x154 [ 53.900958][ T4769] loop_add+0x240/0x6e0 [ 53.901665][ T4769] loop_control_ioctl+0x130/0x4e0 [ 53.902444][ T4769] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.903214][ T4769] invoke_syscall+0x98/0x2b0 [ 53.903911][ T4769] el0_svc_common+0x138/0x258 [ 53.904667][ T4769] do_el0_svc+0x58/0x13c [ 53.905344][ T4769] el0_svc+0x78/0x1d0 [ 53.905942][ T4769] el0t_64_sync_handler+0xcc/0xe4 [ 53.906704][ T4769] el0t_64_sync+0x1a0/0x1a4 [ 53.917759][ T4771] FAULT_INJECTION: forcing a failure. [ 53.917759][ T4771] name failslab, interval 1, probability 0, space 0, times 0 [ 53.919964][ T4771] CPU: 1 PID: 4771 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.921487][ T4771] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.923106][ T4771] Call trace: [ 53.923640][ T4771] dump_backtrace+0x0/0x458 [ 53.924367][ T4771] show_stack+0x2c/0x3c [ 53.925044][ T4771] __dump_stack+0x30/0x40 [ 53.925772][ T4771] dump_stack_lvl+0xf4/0x15c [ 53.926449][ T4771] dump_stack+0x1c/0x5c [ 53.927160][ T4771] should_fail+0x3bc/0x514 [ 53.927863][ T4771] __should_failslab+0xbc/0x10c [ 53.928645][ T4771] should_failslab+0x10/0x28 [ 53.929381][ T4771] slab_pre_alloc_hook+0x64/0xe8 [ 53.930170][ T4771] kmem_cache_alloc+0x94/0x3d4 [ 53.930944][ T4771] security_inode_alloc+0x38/0x11c [ 53.931688][ T4771] inode_init_always+0x670/0xa84 [ 53.932398][ T4771] new_inode_pseudo+0x7c/0x1fc [ 53.933161][ T4771] new_inode+0x38/0x174 [ 53.933810][ T4771] bdev_alloc+0x30/0x1f8 [ 53.934460][ T4771] __alloc_disk_node+0xbc/0x450 [ 53.935169][ T4771] __blk_mq_alloc_disk+0xe8/0x154 [ 53.935969][ T4771] loop_add+0x240/0x6e0 [ 53.936674][ T4771] loop_control_ioctl+0x130/0x4e0 [ 53.937470][ T4771] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.938263][ T4771] invoke_syscall+0x98/0x2b0 [ 53.939005][ T4771] el0_svc_common+0x138/0x258 [ 53.939783][ T4771] do_el0_svc+0x58/0x13c [ 53.940449][ T4771] el0_svc+0x78/0x1d0 [ 53.941075][ T4771] el0t_64_sync_handler+0xcc/0xe4 [ 53.941846][ T4771] el0t_64_sync+0x1a0/0x1a4 [ 53.950688][ T4773] FAULT_INJECTION: forcing a failure. [ 53.950688][ T4773] name failslab, interval 1, probability 0, space 0, times 0 [ 53.952857][ T4773] CPU: 0 PID: 4773 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.954385][ T4773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.956058][ T4773] Call trace: [ 53.956647][ T4773] dump_backtrace+0x0/0x458 [ 53.957405][ T4773] show_stack+0x2c/0x3c [ 53.958073][ T4773] __dump_stack+0x30/0x40 [ 53.958790][ T4773] dump_stack_lvl+0xf4/0x15c [ 53.959586][ T4773] dump_stack+0x1c/0x5c [ 53.960294][ T4773] should_fail+0x3bc/0x514 [ 53.961003][ T4773] __should_failslab+0xbc/0x10c [ 53.961809][ T4773] should_failslab+0x10/0x28 [ 53.962560][ T4773] slab_pre_alloc_hook+0x64/0xe8 [ 53.963340][ T4773] __kmalloc_track_caller+0x70/0x358 [ 53.964193][ T4773] kstrdup+0xe4/0x15c [ 53.964865][ T4773] kstrdup_const+0x54/0x6c [ 53.965588][ T4773] kvasprintf_const+0x120/0x2e4 [ 53.966359][ T4773] kobject_set_name_vargs+0xd8/0x1c8 [ 53.967269][ T4773] dev_set_name+0xe8/0x13c [ 53.968024][ T4773] device_add_disk+0x258/0xacc [ 53.968832][ T4773] loop_add+0x510/0x6e0 [ 53.969525][ T4773] loop_control_ioctl+0x130/0x4e0 [ 53.970375][ T4773] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.971200][ T4773] invoke_syscall+0x98/0x2b0 [ 53.971959][ T4773] el0_svc_common+0x138/0x258 [ 53.972734][ T4773] do_el0_svc+0x58/0x13c [ 53.973420][ T4773] el0_svc+0x78/0x1d0 [ 53.974072][ T4773] el0t_64_sync_handler+0xcc/0xe4 [ 53.974911][ T4773] el0t_64_sync+0x1a0/0x1a4 [ 53.984852][ T4775] FAULT_INJECTION: forcing a failure. [ 53.984852][ T4775] name failslab, interval 1, probability 0, space 0, times 0 [ 53.986780][ T4775] CPU: 1 PID: 4775 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.988240][ T4775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 53.989848][ T4775] Call trace: [ 53.990364][ T4775] dump_backtrace+0x0/0x458 [ 53.991095][ T4775] show_stack+0x2c/0x3c [ 53.991776][ T4775] __dump_stack+0x30/0x40 [ 53.992470][ T4775] dump_stack_lvl+0xf4/0x15c [ 53.993216][ T4775] dump_stack+0x1c/0x5c [ 53.993904][ T4775] should_fail+0x3bc/0x514 [ 53.994595][ T4775] __should_failslab+0xbc/0x10c [ 53.995373][ T4775] should_failslab+0x10/0x28 [ 53.996111][ T4775] slab_pre_alloc_hook+0x64/0xe8 [ 53.996918][ T4775] kmem_cache_alloc_trace+0x98/0x3ec [ 53.997783][ T4775] rand_initialize_disk+0x58/0xb8 [ 53.998601][ T4775] __alloc_disk_node+0x2a8/0x450 [ 53.999395][ T4775] __blk_mq_alloc_disk+0xe8/0x154 [ 54.000210][ T4775] loop_add+0x240/0x6e0 [ 54.000861][ T4775] loop_control_ioctl+0x130/0x4e0 [ 54.001662][ T4775] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.002449][ T4775] invoke_syscall+0x98/0x2b0 [ 54.003164][ T4775] el0_svc_common+0x138/0x258 [ 54.003854][ T4775] do_el0_svc+0x58/0x13c [ 54.004468][ T4775] el0_svc+0x78/0x1d0 [ 54.005077][ T4775] el0t_64_sync_handler+0xcc/0xe4 [ 54.005863][ T4775] el0t_64_sync+0x1a0/0x1a4 [ 54.019673][ T4777] FAULT_INJECTION: forcing a failure. [ 54.019673][ T4777] name failslab, interval 1, probability 0, space 0, times 0 [ 54.021787][ T4777] CPU: 0 PID: 4777 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.023307][ T4777] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 54.024872][ T4777] Call trace: [ 54.025378][ T4777] dump_backtrace+0x0/0x458 [ 54.026061][ T4777] show_stack+0x2c/0x3c [ 54.026712][ T4777] __dump_stack+0x30/0x40 [ 54.027402][ T4777] dump_stack_lvl+0xf4/0x15c [ 54.028130][ T4777] dump_stack+0x1c/0x5c [ 54.028817][ T4777] should_fail+0x3bc/0x514 [ 54.029553][ T4777] __should_failslab+0xbc/0x10c [ 54.030399][ T4777] should_failslab+0x10/0x28 [ 54.031165][ T4777] slab_pre_alloc_hook+0x64/0xe8 [ 54.031945][ T4777] kmem_cache_alloc+0x94/0x3d4 [ 54.032738][ T4777] security_inode_alloc+0x38/0x11c [ 54.033608][ T4777] inode_init_always+0x670/0xa84 [ 54.034442][ T4777] new_inode_pseudo+0x7c/0x1fc [ 54.035262][ T4777] new_inode+0x38/0x174 [ 54.035982][ T4777] bdev_alloc+0x30/0x1f8 [ 54.036714][ T4777] __alloc_disk_node+0xbc/0x450 [ 54.037479][ T4777] __blk_mq_alloc_disk+0xe8/0x154 [ 54.038276][ T4777] loop_add+0x240/0x6e0 [ 54.038912][ T4777] loop_control_ioctl+0x130/0x4e0 [ 54.039686][ T4777] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.040493][ T4777] invoke_syscall+0x98/0x2b0 [ 54.041156][ T4777] el0_svc_common+0x138/0x258 [ 54.041882][ T4777] do_el0_svc+0x58/0x13c [ 54.042495][ T4777] el0_svc+0x78/0x1d0 [ 54.043149][ T4777] el0t_64_sync_handler+0xcc/0xe4 [ 54.043886][ T4777] el0t_64_sync+0x1a0/0x1a4 [ 54.051974][ T4779] FAULT_INJECTION: forcing a failure. [ 54.051974][ T4779] name failslab, interval 1, probability 0, space 0, times 0 [ 54.054145][ T4779] CPU: 1 PID: 4779 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.055601][ T4779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 54.057188][ T4779] Call trace: [ 54.057732][ T4779] dump_backtrace+0x0/0x458 [ 54.058422][ T4779] show_stack+0x2c/0x3c [ 54.059124][ T4779] __dump_stack+0x30/0x40 [ 54.059856][ T4779] dump_stack_lvl+0xf4/0x15c [ 54.060592][ T4779] dump_stack+0x1c/0x5c [ 54.061271][ T4779] should_fail+0x3bc/0x514 [ 54.061997][ T4779] __should_failslab+0xbc/0x10c [ 54.062801][ T4779] should_failslab+0x10/0x28 [ 54.063563][ T4779] slab_pre_alloc_hook+0x64/0xe8 [ 54.064378][ T4779] __kmalloc_track_caller+0x70/0x358 [ 54.065215][ T4779] kstrdup+0xe4/0x15c [ 54.065883][ T4779] kstrdup_const+0x54/0x6c [ 54.066635][ T4779] kvasprintf_const+0x120/0x2e4 [ 54.067423][ T4779] kobject_set_name_vargs+0xd8/0x1c8 [ 54.068250][ T4779] dev_set_name+0xe8/0x13c [ 54.068914][ T4779] device_add_disk+0x258/0xacc [ 54.069617][ T4779] loop_add+0x510/0x6e0 [ 54.070304][ T4779] loop_control_ioctl+0x130/0x4e0 [ 54.071105][ T4779] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.071922][ T4779] invoke_syscall+0x98/0x2b0 [ 54.072633][ T4779] el0_svc_common+0x138/0x258 [ 54.073373][ T4779] do_el0_svc+0x58/0x13c [ 54.074037][ T4779] el0_svc+0x78/0x1d0 [ 54.074662][ T4779] el0t_64_sync_handler+0xcc/0xe4 [ 54.075446][ T4779] el0t_64_sync+0x1a0/0x1a4 [ 54.086803][ T4781] FAULT_INJECTION: forcing a failure. [ 54.086803][ T4781] name failslab, interval 1, probability 0, space 0, times 0 [ 54.088758][ T4781] CPU: 1 PID: 4781 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.090136][ T4781] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 54.091805][ T4781] Call trace: [ 54.092370][ T4781] dump_backtrace+0x0/0x458 [ 54.093132][ T4781] show_stack+0x2c/0x3c [ 54.093804][ T4781] __dump_stack+0x30/0x40 [ 54.094510][ T4781] dump_stack_lvl+0xf4/0x15c [ 54.095229][ T4781] dump_stack+0x1c/0x5c [ 54.095890][ T4781] should_fail+0x3bc/0x514 [ 54.096592][ T4781] __should_failslab+0xbc/0x10c [ 54.097436][ T4781] should_failslab+0x10/0x28 [ 54.098216][ T4781] slab_pre_alloc_hook+0x64/0xe8 [ 54.098997][ T4781] __kmalloc_track_caller+0x70/0x358 [ 54.099842][ T4781] kstrdup+0xe4/0x15c [ 54.100479][ T4781] kstrdup_const+0x54/0x6c [ 54.101178][ T4781] kvasprintf_const+0x120/0x2e4 [ 54.101940][ T4781] kobject_set_name_vargs+0xd8/0x1c8 [ 54.102787][ T4781] dev_set_name+0xe8/0x13c [ 54.103505][ T4781] device_add_disk+0x258/0xacc [ 54.104291][ T4781] loop_add+0x510/0x6e0 [ 54.104988][ T4781] loop_control_ioctl+0x130/0x4e0 [ 54.105766][ T4781] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.106575][ T4781] invoke_syscall+0x98/0x2b0 [ 54.107371][ T4781] el0_svc_common+0x138/0x258 [ 54.108146][ T4781] do_el0_svc+0x58/0x13c [ 54.108831][ T4781] el0_svc+0x78/0x1d0 [ 54.109486][ T4781] el0t_64_sync_handler+0xcc/0xe4 [ 54.110307][ T4781] el0t_64_sync+0x1a0/0x1a4 [ 54.119657][ T4783] FAULT_INJECTION: forcing a failure. [ 54.119657][ T4783] name failslab, interval 1, probability 0, space 0, times 0 [ 54.121736][ T4783] CPU: 0 PID: 4783 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.123129][ T4783] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 54.124738][ T4783] Call trace: [ 54.125256][ T4783] dump_backtrace+0x0/0x458 [ 54.126014][ T4783] show_stack+0x2c/0x3c [ 54.126653][ T4783] __dump_stack+0x30/0x40 [ 54.127317][ T4783] dump_stack_lvl+0xf4/0x15c [ 54.128098][ T4783] dump_stack+0x1c/0x5c [ 54.128788][ T4783] should_fail+0x3bc/0x514 [ 54.129571][ T4783] __should_failslab+0xbc/0x10c [ 54.130385][ T4783] should_failslab+0x10/0x28 [ 54.131165][ T4783] slab_pre_alloc_hook+0x64/0xe8 [ 54.131997][ T4783] __kmalloc_track_caller+0x70/0x358 [ 54.132915][ T4783] kstrdup+0xe4/0x15c [ 54.133590][ T4783] kstrdup_const+0x54/0x6c [ 54.134312][ T4783] kvasprintf_const+0x120/0x2e4 [ 54.135083][ T4783] kobject_set_name_vargs+0xd8/0x1c8 [ 54.135934][ T4783] dev_set_name+0xe8/0x13c [ 54.136605][ T4783] device_add_disk+0x258/0xacc [ 54.137423][ T4783] loop_add+0x510/0x6e0 [ 54.138118][ T4783] loop_control_ioctl+0x130/0x4e0 [ 54.138968][ T4783] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.139825][ T4783] invoke_syscall+0x98/0x2b0 [ 54.140561][ T4783] el0_svc_common+0x138/0x258 [ 54.141297][ T4783] do_el0_svc+0x58/0x13c [ 54.141963][ T4783] el0_svc+0x78/0x1d0 [ 54.142626][ T4783] el0t_64_sync_handler+0xcc/0xe4 [ 54.143467][ T4783] el0t_64_sync+0x1a0/0x1a4 [ 54.153034][ T4785] FAULT_INJECTION: forcing a failure. [ 54.153034][ T4785] name failslab, interval 1, probability 0, space 0, times 0 [ 54.155103][ T4785] CPU: 1 PID: 4785 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.156620][ T4785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 54.158168][ T4785] Call trace: [ 54.158662][ T4785] dump_backtrace+0x0/0x458 [ 54.159396][ T4785] show_stack+0x2c/0x3c [ 54.160051][ T4785] __dump_stack+0x30/0x40 [ 54.160786][ T4785] dump_stack_lvl+0xf4/0x15c [ 54.161496][ T4785] dump_stack+0x1c/0x5c [ 54.162180][ T4785] should_fail+0x3bc/0x514 [ 54.162897][ T4785] __should_failslab+0xbc/0x10c [ 54.163692][ T4785] should_failslab+0x10/0x28 [ 54.164401][ T4785] slab_pre_alloc_hook+0x64/0xe8 [ 54.165175][ T4785] kmem_cache_alloc_trace+0x98/0x3ec [ 54.165986][ T4785] rand_initialize_disk+0x58/0xb8 [ 54.166771][ T4785] __alloc_disk_node+0x2a8/0x450 [ 54.167521][ T4785] __blk_mq_alloc_disk+0xe8/0x154 [ 54.168309][ T4785] loop_add+0x240/0x6e0 [ 54.168946][ T4785] loop_control_ioctl+0x130/0x4e0 [ 54.169781][ T4785] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.170572][ T4785] invoke_syscall+0x98/0x2b0 [ 54.171306][ T4785] el0_svc_common+0x138/0x258 [ 54.172048][ T4785] do_el0_svc+0x58/0x13c [ 54.172744][ T4785] el0_svc+0x78/0x1d0 [ 54.173372][ T4785] el0t_64_sync_handler+0xcc/0xe4 [ 54.174140][ T4785] el0t_64_sync+0x1a0/0x1a4 [ 54.187769][ T4787] FAULT_INJECTION: forcing a failure. [ 54.187769][ T4787] name failslab, interval 1, probability 0, space 0, times 0 [ 54.189993][ T4787] CPU: 0 PID: 4787 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.191480][ T4787] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 54.193036][ T4787] Call trace: [ 54.193554][ T4787] dump_backtrace+0x0/0x458 [ 54.194319][ T4787] show_stack+0x2c/0x3c [ 54.194979][ T4787] __dump_stack+0x30/0x40 [ 54.195658][ T4787] dump_stack_lvl+0xf4/0x15c [ 54.196390][ T4787] dump_stack+0x1c/0x5c [ 54.197043][ T4787] should_fail+0x3bc/0x514 [ 54.197740][ T4787] __should_failslab+0xbc/0x10c [ 54.198542][ T4787] should_failslab+0x10/0x28 [ 54.199363][ T4787] slab_pre_alloc_hook+0x64/0xe8 [ 54.200145][ T4787] kmem_cache_alloc_trace+0x98/0x3ec [ 54.201083][ T4787] rand_initialize_disk+0x58/0xb8 [ 54.201850][ T4787] __alloc_disk_node+0x2a8/0x450 [ 54.202610][ T4787] __blk_mq_alloc_disk+0xe8/0x154 [ 54.203457][ T4787] loop_add+0x240/0x6e0 [ 54.204141][ T4787] loop_control_ioctl+0x130/0x4e0 [ 54.204952][ T4787] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.205788][ T4787] invoke_syscall+0x98/0x2b0 [ 54.206535][ T4787] el0_svc_common+0x138/0x258 [ 54.207306][ T4787] do_el0_svc+0x58/0x13c [ 54.207990][ T4787] el0_svc+0x78/0x1d0 [ 54.208614][ T4787] el0t_64_sync_handler+0xcc/0xe4 [ 54.209428][ T4787] el0t_64_sync+0x1a0/0x1a4 [ 54.222056][ T4789] FAULT_INJECTION: forcing a failure. [ 54.222056][ T4789] name failslab, interval 1, probability 0, space 0, times 0 [ 54.224033][ T4789] CPU: 1 PID: 4789 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.225460][ T4789] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 54.227040][ T4789] Call trace: [ 54.227519][ T4789] dump_backtrace+0x0/0x458 [ 54.228282][ T4789] show_stack+0x2c/0x3c [ 54.228970][ T4789] __dump_stack+0x30/0x40 [ 54.229635][ T4789] dump_stack_lvl+0xf4/0x15c [ 54.230340][ T4789] dump_stack+0x1c/0x5c [ 54.231012][ T4789] should_fail+0x3bc/0x514 [ 54.231742][ T4789] __should_failslab+0xbc/0x10c [ 54.232524][ T4789] should_failslab+0x10/0x28 [ 54.233230][ T4789] slab_pre_alloc_hook+0x64/0xe8 [ 54.233949][ T4789] __kmalloc_track_caller+0x70/0x358 [ 54.234800][ T4789] kstrdup+0xe4/0x15c [ 54.235440][ T4789] kstrdup_const+0x54/0x6c [ 54.236175][ T4789] kvasprintf_const+0x120/0x2e4 [ 54.236988][ T4789] kobject_set_name_vargs+0xd8/0x1c8 [ 54.237882][ T4789] dev_set_name+0xe8/0x13c [ 54.238611][ T4789] device_add_disk+0x258/0xacc [ 54.239399][ T4789] loop_add+0x510/0x6e0 [ 54.240103][ T4789] loop_control_ioctl+0x130/0x4e0 [ 54.240907][ T4789] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.241632][ T4789] invoke_syscall+0x98/0x2b0 [ 54.242420][ T4789] el0_svc_common+0x138/0x258 [ 54.243181][ T4789] do_el0_svc+0x58/0x13c [ 54.243851][ T4789] el0_svc+0x78/0x1d0 [ 54.244514][ T4789] el0t_64_sync_handler+0xcc/0xe4 [ 54.245339][ T4789] el0t_64_sync+0x1a0/0x1a4 [ 54.256169][ T4791] FAULT_INJECTION: forcing a failure. [ 54.256169][ T4791] name failslab, interval 1, probability 0, space 0, times 0 [ 54.258239][ T4791] CPU: 0 PID: 4791 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.259631][ T4791] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 54.261366][ T4791] Call trace: [ 54.261893][ T4791] dump_backtrace+0x0/0x458 [ 54.262625][ T4791] show_stack+0x2c/0x3c [ 54.263311][ T4791] __dump_stack+0x30/0x40 [ 54.264011][ T4791] dump_stack_lvl+0xf4/0x15c [ 54.264812][ T4791] dump_stack+0x1c/0x5c [ 54.265529][ T4791] should_fail+0x3bc/0x514 [ 54.266225][ T4791] __should_failslab+0xbc/0x10c [ 54.267047][ T4791] should_failslab+0x10/0x28 [ 54.267805][ T4791] slab_pre_alloc_hook+0x64/0xe8 [ 54.268604][ T4791] __kmalloc_track_caller+0x70/0x358 [ 54.269467][ T4791] kstrdup+0xe4/0x15c [ 54.270144][ T4791] kstrdup_const+0x54/0x6c [ 54.270874][ T4791] kvasprintf_const+0x120/0x2e4 [ 54.271669][ T4791] kobject_set_name_vargs+0xd8/0x1c8 [ 54.272536][ T4791] dev_set_name+0xe8/0x13c [ 54.273265][ T4791] device_add_disk+0x258/0xacc [ 54.274036][ T4791] loop_add+0x510/0x6e0 [ 54.274772][ T4791] loop_control_ioctl+0x130/0x4e0 [ 54.275625][ T4791] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.276406][ T4791] invoke_syscall+0x98/0x2b0 [ 54.277119][ T4791] el0_svc_common+0x138/0x258 [ 54.277855][ T4791] do_el0_svc+0x58/0x13c [ 54.278564][ T4791] el0_svc+0x78/0x1d0 [ 54.279230][ T4791] el0t_64_sync_handler+0xcc/0xe4 [ 54.280053][ T4791] el0t_64_sync+0x1a0/0x1a4 [ 54.289945][ T4793] FAULT_INJECTION: forcing a failure. [ 54.289945][ T4793] name failslab, interval 1, probability 0, space 0, times 0 [ 54.292184][ T4793] CPU: 1 PID: 4793 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.293621][ T4793] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 54.295263][ T4793] Call trace: [ 54.295791][ T4793] dump_backtrace+0x0/0x458 [ 54.296513][ T4793] show_stack+0x2c/0x3c [ 54.297182][ T4793] __dump_stack+0x30/0x40 [ 54.297930][ T4793] dump_stack_lvl+0xf4/0x15c [ 54.298639][ T4793] dump_stack+0x1c/0x5c [ 54.299281][ T4793] should_fail+0x3bc/0x514 [ 54.299999][ T4793] __should_failslab+0xbc/0x10c [ 54.300752][ T4793] should_failslab+0x10/0x28 [ 54.301515][ T4793] slab_pre_alloc_hook+0x64/0xe8 [ 54.302311][ T4793] kmem_cache_alloc_trace+0x98/0x3ec [ 54.303177][ T4793] device_add+0xbc/0xf90 [ 54.303867][ T4793] device_add_disk+0x2d0/0xacc [ 54.304632][ T4793] loop_add+0x510/0x6e0 [ 54.305347][ T4793] loop_control_ioctl+0x130/0x4e0 [ 54.306140][ T4793] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.306968][ T4793] invoke_syscall+0x98/0x2b0 [ 54.307671][ T4793] el0_svc_common+0x138/0x258 [ 54.308388][ T4793] do_el0_svc+0x58/0x13c [ 54.309101][ T4793] el0_svc+0x78/0x1d0 [ 54.309745][ T4793] el0t_64_sync_handler+0xcc/0xe4 [ 54.310521][ T4793] el0t_64_sync+0x1a0/0x1a4 [ 54.320023][ T4086] Bluetooth: hci0: command 0x040f tx timeout [ 54.322485][ T4795] FAULT_INJECTION: forcing a failure. [ 54.322485][ T4795] name failslab, interval 1, probability 0, space 0, times 0 [ 54.324470][ T4795] CPU: 1 PID: 4795 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.325855][ T4795] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 54.327446][ T4795] Call trace: [ 54.327957][ T4795] dump_backtrace+0x0/0x458 [ 54.328623][ T4795] show_stack+0x2c/0x3c [ 54.329262][ T4795] __dump_stack+0x30/0x40 [ 54.329979][ T4795] dump_stack_lvl+0xf4/0x15c [ 54.330787][ T4795] dump_stack+0x1c/0x5c [ 54.331405][ T4795] should_fail+0x3bc/0x514 [ 54.332091][ T4795] __should_failslab+0xbc/0x10c [ 54.332797][ T4795] should_failslab+0x10/0x28 [ 54.333527][ T4795] slab_pre_alloc_hook+0x64/0xe8 [ 54.334258][ T4795] __kmalloc_track_caller+0x70/0x358 [ 54.335091][ T4795] kstrdup+0xe4/0x15c [ 54.335685][ T4795] kstrdup_const+0x54/0x6c [ 54.336403][ T4795] kvasprintf_const+0x120/0x2e4 [ 54.337152][ T4795] kobject_set_name_vargs+0xd8/0x1c8 [ 54.337946][ T4795] dev_set_name+0xe8/0x13c [ 54.338594][ T4795] device_add_disk+0x258/0xacc [ 54.339368][ T4795] loop_add+0x510/0x6e0 [ 54.339968][ T4795] loop_control_ioctl+0x130/0x4e0 [ 54.340714][ T4795] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.341443][ T4795] invoke_syscall+0x98/0x2b0 [ 54.342132][ T4795] el0_svc_common+0x138/0x258 [ 54.342854][ T4795] do_el0_svc+0x58/0x13c [ 54.343504][ T4795] el0_svc+0x78/0x1d0 [ 54.344092][ T4795] el0t_64_sync_handler+0xcc/0xe4 [ 54.344885][ T4795] el0t_64_sync+0x1a0/0x1a4 [ 54.354766][ T4797] FAULT_INJECTION: forcing a failure. [ 54.354766][ T4797] name failslab, interval 1, probability 0, space 0, times 0 [ 54.356806][ T4797] CPU: 0 PID: 4797 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.358166][ T4797] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 54.359950][ T4797] Call trace: [ 54.360538][ T4797] dump_backtrace+0x0/0x458 [ 54.361323][ T4797] show_stack+0x2c/0x3c [ 54.362020][ T4797] __dump_stack+0x30/0x40 [ 54.362751][ T4797] dump_stack_lvl+0xf4/0x15c [ 54.363484][ T4797] dump_stack+0x1c/0x5c [ 54.364174][ T4797] should_fail+0x3bc/0x514 [ 54.364915][ T4797] __should_failslab+0xbc/0x10c [ 54.365714][ T4797] should_failslab+0x10/0x28 [ 54.366488][ T4797] slab_pre_alloc_hook+0x64/0xe8 [ 54.367284][ T4797] kmem_cache_alloc+0x94/0x3d4 [ 54.368027][ T4797] security_inode_alloc+0x38/0x11c [ 54.368872][ T4797] inode_init_always+0x670/0xa84 [ 54.369714][ T4797] new_inode_pseudo+0x7c/0x1fc [ 54.370527][ T4797] new_inode+0x38/0x174 [ 54.371210][ T4797] bdev_alloc+0x30/0x1f8 [ 54.371908][ T4797] __alloc_disk_node+0xbc/0x450 [ 54.372737][ T4797] __blk_mq_alloc_disk+0xe8/0x154 [ 54.373584][ T4797] loop_add+0x240/0x6e0 [ 54.374267][ T4797] loop_control_ioctl+0x130/0x4e0 [ 54.375148][ T4797] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.376000][ T4797] invoke_syscall+0x98/0x2b0 [ 54.376755][ T4797] el0_svc_common+0x138/0x258 [ 54.377531][ T4797] do_el0_svc+0x58/0x13c [ 54.378229][ T4797] el0_svc+0x78/0x1d0 [ 54.378923][ T4797] el0t_64_sync_handler+0xcc/0xe4 [ 54.379741][ T4797] el0t_64_sync+0x1a0/0x1a4 [ 54.388578][ T4799] FAULT_INJECTION: forcing a failure. [ 54.388578][ T4799] name failslab, interval 1, probability 0, space 0, times 0 [ 54.390799][ T4799] CPU: 0 PID: 4799 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.392250][ T4799] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 54.393818][ T4799] Call trace: [ 54.394350][ T4799] dump_backtrace+0x0/0x458 [ 54.395155][ T4799] show_stack+0x2c/0x3c [ 54.395884][ T4799] __dump_stack+0x30/0x40 [ 54.396662][ T4799] dump_stack_lvl+0xf4/0x15c [ 54.397431][ T4799] dump_stack+0x1c/0x5c [ 54.398090][ T4799] should_fail+0x3bc/0x514 [ 54.398808][ T4799] __should_failslab+0xbc/0x10c [ 54.399593][ T4799] should_failslab+0x10/0x28 [ 54.400318][ T4799] slab_pre_alloc_hook+0x64/0xe8 [ 54.401130][ T4799] __kmalloc_track_caller+0x70/0x358 [ 54.402040][ T4799] kstrdup+0xe4/0x15c [ 54.402713][ T4799] kstrdup_const+0x54/0x6c [ 54.403437][ T4799] kvasprintf_const+0x120/0x2e4 [ 54.404234][ T4799] kobject_set_name_vargs+0xd8/0x1c8 [ 54.405089][ T4799] dev_set_name+0xe8/0x13c [ 54.405810][ T4799] device_add_disk+0x258/0xacc [ 54.406594][ T4799] loop_add+0x510/0x6e0 [ 54.407269][ T4799] loop_control_ioctl+0x130/0x4e0 [ 54.408060][ T4799] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.408874][ T4799] invoke_syscall+0x98/0x2b0 [ 54.409710][ T4799] el0_svc_common+0x138/0x258 [ 54.410522][ T4799] do_el0_svc+0x58/0x13c [ 54.411210][ T4799] el0_svc+0x78/0x1d0 [ 54.411883][ T4799] el0t_64_sync_handler+0xcc/0xe4 [ 54.412735][ T4799] el0t_64_sync+0x1a0/0x1a4 [ 54.424533][ T4801] FAULT_INJECTION: forcing a failure. [ 54.424533][ T4801] name failslab, interval 1, probability 0, space 0, times 0 [ 54.426641][ T4801] CPU: 1 PID: 4801 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.428240][ T4801] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 54.429716][ T4801] Call trace: [ 54.430212][ T4801] dump_backtrace+0x0/0x458 [ 54.430940][ T4801] show_stack+0x2c/0x3c [ 54.431646][ T4801] __dump_stack+0x30/0x40 [ 54.432398][ T4801] dump_stack_lvl+0xf4/0x15c [ 54.433190][ T4801] dump_stack+0x1c/0x5c [ 54.433852][ T4801] should_fail+0x3bc/0x514 [ 54.434522][ T4801] __should_failslab+0xbc/0x10c [ 54.435303][ T4801] should_failslab+0x10/0x28 [ 54.436082][ T4801] slab_pre_alloc_hook+0x64/0xe8 [ 54.436938][ T4801] kmem_cache_alloc_trace+0x98/0x3ec [ 54.437822][ T4801] device_add+0xbc/0xf90 [ 54.438524][ T4801] device_add_disk+0x2d0/0xacc [ 54.439325][ T4801] loop_add+0x510/0x6e0 [ 54.440019][ T4801] loop_control_ioctl+0x130/0x4e0 [ 54.440865][ T4801] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.441744][ T4801] invoke_syscall+0x98/0x2b0 [ 54.442501][ T4801] el0_svc_common+0x138/0x258 [ 54.443268][ T4801] do_el0_svc+0x58/0x13c [ 54.443985][ T4801] el0_svc+0x78/0x1d0 [ 54.444674][ T4801] el0t_64_sync_handler+0xcc/0xe4 [ 54.445545][ T4801] el0t_64_sync+0x1a0/0x1a4 [ 54.455037][ T4803] FAULT_INJECTION: forcing a failure. [ 54.455037][ T4803] name failslab, interval 1, probability 0, space 0, times 0 [ 54.457184][ T4803] CPU: 0 PID: 4803 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.458625][ T4803] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 54.460369][ T4803] Call trace: [ 54.460913][ T4803] dump_backtrace+0x0/0x458 [ 54.461647][ T4803] show_stack+0x2c/0x3c [ 54.462298][ T4803] __dump_stack+0x30/0x40 [ 54.463048][ T4803] dump_stack_lvl+0xf4/0x15c [ 54.463815][ T4803] dump_stack+0x1c/0x5c [ 54.464489][ T4803] should_fail+0x3bc/0x514 [ 54.465246][ T4803] __should_failslab+0xbc/0x10c [ 54.466066][ T4803] should_failslab+0x10/0x28 [ 54.466798][ T4803] slab_pre_alloc_hook+0x64/0xe8 [ 54.467637][ T4803] kmem_cache_alloc+0x94/0x3d4 [ 54.468396][ T4803] security_inode_alloc+0x38/0x11c [ 54.469296][ T4803] inode_init_always+0x670/0xa84 [ 54.470163][ T4803] new_inode_pseudo+0x7c/0x1fc [ 54.470944][ T4803] new_inode+0x38/0x174 [ 54.471639][ T4803] bdev_alloc+0x30/0x1f8 [ 54.472330][ T4803] __alloc_disk_node+0xbc/0x450 [ 54.473089][ T4803] __blk_mq_alloc_disk+0xe8/0x154 [ 54.473894][ T4803] loop_add+0x240/0x6e0 [ 54.474555][ T4803] loop_control_ioctl+0x130/0x4e0 [ 54.475366][ T4803] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.476180][ T4803] invoke_syscall+0x98/0x2b0 [ 54.476910][ T4803] el0_svc_common+0x138/0x258 [ 54.477676][ T4803] do_el0_svc+0x58/0x13c [ 54.478418][ T4803] el0_svc+0x78/0x1d0 [ 54.479045][ T4803] el0t_64_sync_handler+0xcc/0xe4 [ 54.479904][ T4803] el0t_64_sync+0x1a0/0x1a4 [ 54.490140][ T4805] FAULT_INJECTION: forcing a failure. [ 54.490140][ T4805] name failslab, interval 1, probability 0, space 0, times 0 [ 54.492168][ T4805] CPU: 0 PID: 4805 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.493591][ T4805] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 54.495221][ T4805] Call trace: [ 54.495776][ T4805] dump_backtrace+0x0/0x458 [ 54.496500][ T4805] show_stack+0x2c/0x3c [ 54.497178][ T4805] __dump_stack+0x30/0x40 [ 54.497886][ T4805] dump_stack_lvl+0xf4/0x15c [ 54.498638][ T4805] dump_stack+0x1c/0x5c [ 54.499335][ T4805] should_fail+0x3bc/0x514 [ 54.500052][ T4805] __should_failslab+0xbc/0x10c [ 54.500874][ T4805] should_failslab+0x10/0x28 [ 54.501598][ T4805] slab_pre_alloc_hook+0x64/0xe8 [ 54.502387][ T4805] kmem_cache_alloc_trace+0x98/0x3ec [ 54.503228][ T4805] rand_initialize_disk+0x58/0xb8 [ 54.504002][ T4805] __alloc_disk_node+0x2a8/0x450 [ 54.504799][ T4805] __blk_mq_alloc_disk+0xe8/0x154 [ 54.505605][ T4805] loop_add+0x240/0x6e0 [ 54.506255][ T4805] loop_control_ioctl+0x130/0x4e0 [ 54.507061][ T4805] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.507830][ T4805] invoke_syscall+0x98/0x2b0 [ 54.508521][ T4805] el0_svc_common+0x138/0x258 [ 54.509278][ T4805] do_el0_svc+0x58/0x13c [ 54.509917][ T4805] el0_svc+0x78/0x1d0 [ 54.510550][ T4805] el0t_64_sync_handler+0xcc/0xe4 [ 54.511388][ T4805] el0t_64_sync+0x1a0/0x1a4 [ 54.522977][ T4807] FAULT_INJECTION: forcing a failure. [ 54.522977][ T4807] name failslab, interval 1, probability 0, space 0, times 0 [ 54.525039][ T4807] CPU: 0 PID: 4807 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.526574][ T4807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 54.528245][ T4807] Call trace: [ 54.528760][ T4807] dump_backtrace+0x0/0x458 [ 54.529487][ T4807] show_stack+0x2c/0x3c [ 54.530173][ T4807] __dump_stack+0x30/0x40 [ 54.530878][ T4807] dump_stack_lvl+0xf4/0x15c [ 54.531628][ T4807] dump_stack+0x1c/0x5c [ 54.532336][ T4807] should_fail+0x3bc/0x514 [ 54.533028][ T4807] __should_failslab+0xbc/0x10c [ 54.533819][ T4807] should_failslab+0x10/0x28 [ 54.534563][ T4807] slab_pre_alloc_hook+0x64/0xe8 [ 54.535316][ T4807] kmem_cache_alloc_trace+0x98/0x3ec [ 54.536161][ T4807] device_add+0xbc/0xf90 [ 54.536832][ T4807] device_add_disk+0x2d0/0xacc [ 54.537588][ T4807] loop_add+0x510/0x6e0 [ 54.538269][ T4807] loop_control_ioctl+0x130/0x4e0 [ 54.539107][ T4807] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.539987][ T4807] invoke_syscall+0x98/0x2b0 [ 54.540780][ T4807] el0_svc_common+0x138/0x258 [ 54.541581][ T4807] do_el0_svc+0x58/0x13c [ 54.542272][ T4807] el0_svc+0x78/0x1d0 [ 54.542900][ T4807] el0t_64_sync_handler+0xcc/0xe4 [ 54.543770][ T4807] el0t_64_sync+0x1a0/0x1a4 [ 54.551970][ T4809] FAULT_INJECTION: forcing a failure. [ 54.551970][ T4809] name failslab, interval 1, probability 0, space 0, times 0 [ 54.554052][ T4809] CPU: 0 PID: 4809 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.555506][ T4809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 54.557000][ T4809] Call trace: [ 54.557537][ T4809] dump_backtrace+0x0/0x458 [ 54.558273][ T4809] show_stack+0x2c/0x3c [ 54.558932][ T4809] __dump_stack+0x30/0x40 [ 54.559622][ T4809] dump_stack_lvl+0xf4/0x15c [ 54.560358][ T4809] dump_stack+0x1c/0x5c [ 54.561031][ T4809] should_fail+0x3bc/0x514 [ 54.561736][ T4809] __should_failslab+0xbc/0x10c [ 54.562546][ T4809] should_failslab+0x10/0x28 [ 54.563292][ T4809] slab_pre_alloc_hook+0x64/0xe8 [ 54.564065][ T4809] __kmalloc_track_caller+0x70/0x358 [ 54.564908][ T4809] kstrdup+0xe4/0x15c [ 54.565535][ T4809] kstrdup_const+0x54/0x6c [ 54.566234][ T4809] kvasprintf_const+0x120/0x2e4 [ 54.567014][ T4809] kobject_set_name_vargs+0xd8/0x1c8 [ 54.567862][ T4809] dev_set_name+0xe8/0x13c [ 54.568567][ T4809] device_add_disk+0x258/0xacc [ 54.569275][ T4809] loop_add+0x510/0x6e0 [ 54.569894][ T4809] loop_control_ioctl+0x130/0x4e0 [ 54.570635][ T4809] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.571373][ T4809] invoke_syscall+0x98/0x2b0 [ 54.572116][ T4809] el0_svc_common+0x138/0x258 [ 54.572847][ T4809] do_el0_svc+0x58/0x13c [ 54.573483][ T4809] el0_svc+0x78/0x1d0 [ 54.574057][ T4809] el0t_64_sync_handler+0xcc/0xe4 [ 54.574926][ T4809] el0t_64_sync+0x1a0/0x1a4 [ 54.583710][ T4811] FAULT_INJECTION: forcing a failure. [ 54.583710][ T4811] name failslab, interval 1, probability 0, space 0, times 0 [ 54.585873][ T4811] CPU: 0 PID: 4811 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.587348][ T4811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 54.588901][ T4811] Call trace: [ 54.589460][ T4811] dump_backtrace+0x0/0x458 [ 54.590173][ T4811] show_stack+0x2c/0x3c [ 54.590875][ T4811] __dump_stack+0x30/0x40 [ 54.591555][ T4811] dump_stack_lvl+0xf4/0x15c [ 54.592262][ T4811] dump_stack+0x1c/0x5c [ 54.592920][ T4811] should_fail+0x3bc/0x514 [ 54.593746][ T4811] __should_failslab+0xbc/0x10c [ 54.594553][ T4811] should_failslab+0x10/0x28 [ 54.595338][ T4811] slab_pre_alloc_hook+0x64/0xe8 [ 54.596168][ T4811] kmem_cache_alloc_trace+0x98/0x3ec [ 54.597103][ T4811] device_add+0xbc/0xf90 [ 54.597782][ T4811] device_add_disk+0x2d0/0xacc [ 54.598550][ T4811] loop_add+0x510/0x6e0 [ 54.599256][ T4811] loop_control_ioctl+0x130/0x4e0 [ 54.600085][ T4811] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.600911][ T4811] invoke_syscall+0x98/0x2b0 [ 54.601677][ T4811] el0_svc_common+0x138/0x258 [ 54.602417][ T4811] do_el0_svc+0x58/0x13c [ 54.603130][ T4811] el0_svc+0x78/0x1d0 [ 54.603813][ T4811] el0t_64_sync_handler+0xcc/0xe4 [ 54.604640][ T4811] el0t_64_sync+0x1a0/0x1a4 [ 54.613547][ T4813] FAULT_INJECTION: forcing a failure. [ 54.613547][ T4813] name failslab, interval 1, probability 0, space 0, times 0 [ 54.615624][ T4813] CPU: 0 PID: 4813 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.617056][ T4813] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 54.618582][ T4813] Call trace: [ 54.619075][ T4813] dump_backtrace+0x0/0x458 [ 54.619794][ T4813] show_stack+0x2c/0x3c [ 54.620473][ T4813] __dump_stack+0x30/0x40 [ 54.621169][ T4813] dump_stack_lvl+0xf4/0x15c [ 54.621892][ T4813] dump_stack+0x1c/0x5c [ 54.622531][ T4813] should_fail+0x3bc/0x514 [ 54.623217][ T4813] __should_failslab+0xbc/0x10c [ 54.624022][ T4813] should_failslab+0x10/0x28 [ 54.624696][ T4813] slab_pre_alloc_hook+0x64/0xe8 [ 54.625487][ T4813] __kmalloc_track_caller+0x70/0x358 [ 54.626384][ T4813] kstrdup+0xe4/0x15c [ 54.627005][ T4813] kstrdup_const+0x54/0x6c [ 54.627727][ T4813] kvasprintf_const+0x120/0x2e4 [ 54.628513][ T4813] kobject_set_name_vargs+0xd8/0x1c8 [ 54.629447][ T4813] dev_set_name+0xe8/0x13c [ 54.630203][ T4813] device_add_disk+0x258/0xacc [ 54.630938][ T4813] loop_add+0x510/0x6e0 [ 54.631637][ T4813] loop_control_ioctl+0x130/0x4e0 [ 54.632453][ T4813] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.633257][ T4813] invoke_syscall+0x98/0x2b0 [ 54.634029][ T4813] el0_svc_common+0x138/0x258 [ 54.634740][ T4813] do_el0_svc+0x58/0x13c [ 54.635393][ T4813] el0_svc+0x78/0x1d0 [ 54.636028][ T4813] el0t_64_sync_handler+0xcc/0xe4 [ 54.636870][ T4813] el0t_64_sync+0x1a0/0x1a4 [ 54.646752][ T4815] FAULT_INJECTION: forcing a failure. [ 54.646752][ T4815] name failslab, interval 1, probability 0, space 0, times 0 [ 54.648863][ T4815] CPU: 0 PID: 4815 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.650396][ T4815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 54.651923][ T4815] Call trace: [ 54.652409][ T4815] dump_backtrace+0x0/0x458 [ 54.653111][ T4815] show_stack+0x2c/0x3c [ 54.653734][ T4815] __dump_stack+0x30/0x40 [ 54.654469][ T4815] dump_stack_lvl+0xf4/0x15c [ 54.655265][ T4815] dump_stack+0x1c/0x5c [ 54.655927][ T4815] should_fail+0x3bc/0x514 [ 54.656683][ T4815] __should_failslab+0xbc/0x10c [ 54.657506][ T4815] should_failslab+0x10/0x28 [ 54.658267][ T4815] slab_pre_alloc_hook+0x64/0xe8 [ 54.659094][ T4815] kmem_cache_alloc_trace+0x98/0x3ec [ 54.659935][ T4815] rand_initialize_disk+0x58/0xb8 [ 54.660732][ T4815] __alloc_disk_node+0x2a8/0x450 [ 54.661551][ T4815] __blk_mq_alloc_disk+0xe8/0x154 [ 54.662410][ T4815] loop_add+0x240/0x6e0 [ 54.663067][ T4815] loop_control_ioctl+0x130/0x4e0 [ 54.663934][ T4815] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.664692][ T4815] invoke_syscall+0x98/0x2b0 [ 54.665471][ T4815] el0_svc_common+0x138/0x258 [ 54.666320][ T4815] do_el0_svc+0x58/0x13c [ 54.667007][ T4815] el0_svc+0x78/0x1d0 [ 54.667680][ T4815] el0t_64_sync_handler+0xcc/0xe4 [ 54.668530][ T4815] el0t_64_sync+0x1a0/0x1a4 [ 54.680518][ T4817] FAULT_INJECTION: forcing a failure. [ 54.680518][ T4817] name failslab, interval 1, probability 0, space 0, times 0 [ 54.682536][ T4817] CPU: 1 PID: 4817 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.684005][ T4817] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 54.685538][ T4817] Call trace: [ 54.686023][ T4817] dump_backtrace+0x0/0x458 [ 54.686725][ T4817] show_stack+0x2c/0x3c [ 54.687357][ T4817] __dump_stack+0x30/0x40 [ 54.688044][ T4817] dump_stack_lvl+0xf4/0x15c [ 54.688788][ T4817] dump_stack+0x1c/0x5c [ 54.689438][ T4817] should_fail+0x3bc/0x514 [ 54.690169][ T4817] __should_failslab+0xbc/0x10c [ 54.690970][ T4817] should_failslab+0x10/0x28 [ 54.691669][ T4817] slab_pre_alloc_hook+0x64/0xe8 [ 54.692478][ T4817] __kmalloc_track_caller+0x70/0x358 [ 54.693372][ T4817] kstrdup+0xe4/0x15c [ 54.694029][ T4817] kstrdup_const+0x54/0x6c [ 54.694691][ T4817] kvasprintf_const+0x120/0x2e4 [ 54.695501][ T4817] kobject_set_name_vargs+0xd8/0x1c8 [ 54.696323][ T4817] dev_set_name+0xe8/0x13c [ 54.697045][ T4817] device_add_disk+0x258/0xacc [ 54.697864][ T4817] loop_add+0x510/0x6e0 [ 54.698531][ T4817] loop_control_ioctl+0x130/0x4e0 [ 54.699394][ T4817] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.700210][ T4817] invoke_syscall+0x98/0x2b0 [ 54.700942][ T4817] el0_svc_common+0x138/0x258 [ 54.701655][ T4817] do_el0_svc+0x58/0x13c [ 54.702320][ T4817] el0_svc+0x78/0x1d0 [ 54.702947][ T4817] el0t_64_sync_handler+0xcc/0xe4 [ 54.703817][ T4817] el0t_64_sync+0x1a0/0x1a4 [ 54.713280][ T4819] FAULT_INJECTION: forcing a failure. [ 54.713280][ T4819] name failslab, interval 1, probability 0, space 0, times 0 [ 54.715409][ T4819] CPU: 0 PID: 4819 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.716881][ T4819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 54.718393][ T4819] Call trace: [ 54.718885][ T4819] dump_backtrace+0x0/0x458 [ 54.719614][ T4819] show_stack+0x2c/0x3c [ 54.720287][ T4819] __dump_stack+0x30/0x40 [ 54.721003][ T4819] dump_stack_lvl+0xf4/0x15c [ 54.721711][ T4819] dump_stack+0x1c/0x5c [ 54.722384][ T4819] should_fail+0x3bc/0x514 [ 54.723069][ T4819] __should_failslab+0xbc/0x10c [ 54.723902][ T4819] should_failslab+0x10/0x28 [ 54.724663][ T4819] slab_pre_alloc_hook+0x64/0xe8 [ 54.725463][ T4819] kmem_cache_alloc+0x94/0x3d4 [ 54.726209][ T4819] security_inode_alloc+0x38/0x11c [ 54.727028][ T4819] inode_init_always+0x670/0xa84 [ 54.727820][ T4819] new_inode_pseudo+0x7c/0x1fc [ 54.728578][ T4819] new_inode+0x38/0x174 [ 54.729267][ T4819] bdev_alloc+0x30/0x1f8 [ 54.729903][ T4819] __alloc_disk_node+0xbc/0x450 [ 54.730672][ T4819] __blk_mq_alloc_disk+0xe8/0x154 [ 54.731526][ T4819] loop_add+0x240/0x6e0 [ 54.732205][ T4819] loop_control_ioctl+0x130/0x4e0 [ 54.732966][ T4819] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.733739][ T4819] invoke_syscall+0x98/0x2b0 [ 54.734494][ T4819] el0_svc_common+0x138/0x258 [ 54.735280][ T4819] do_el0_svc+0x58/0x13c [ 54.735963][ T4819] el0_svc+0x78/0x1d0 [ 54.736575][ T4819] el0t_64_sync_handler+0xcc/0xe4 [ 54.737389][ T4819] el0t_64_sync+0x1a0/0x1a4 [ 54.747114][ T4821] FAULT_INJECTION: forcing a failure. [ 54.747114][ T4821] name failslab, interval 1, probability 0, space 0, times 0 [ 54.749555][ T4821] CPU: 1 PID: 4821 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.751013][ T4821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 54.752560][ T4821] Call trace: [ 54.753054][ T4821] dump_backtrace+0x0/0x458 [ 54.753754][ T4821] show_stack+0x2c/0x3c [ 54.754394][ T4821] __dump_stack+0x30/0x40 [ 54.755024][ T4821] dump_stack_lvl+0xf4/0x15c [ 54.755764][ T4821] dump_stack+0x1c/0x5c [ 54.756400][ T4821] should_fail+0x3bc/0x514 [ 54.757104][ T4821] __should_failslab+0xbc/0x10c [ 54.757832][ T4821] should_failslab+0x10/0x28 [ 54.758565][ T4821] slab_pre_alloc_hook+0x64/0xe8 [ 54.759373][ T4821] kmem_cache_alloc_trace+0x98/0x3ec [ 54.760276][ T4821] rand_initialize_disk+0x58/0xb8 [ 54.761053][ T4821] __alloc_disk_node+0x2a8/0x450 [ 54.761830][ T4821] __blk_mq_alloc_disk+0xe8/0x154 [ 54.762613][ T4821] loop_add+0x240/0x6e0 [ 54.763285][ T4821] loop_control_ioctl+0x130/0x4e0 [ 54.764123][ T4821] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.764893][ T4821] invoke_syscall+0x98/0x2b0 [ 54.765576][ T4821] el0_svc_common+0x138/0x258 [ 54.766328][ T4821] do_el0_svc+0x58/0x13c [ 54.766989][ T4821] el0_svc+0x78/0x1d0 [ 54.767635][ T4821] el0t_64_sync_handler+0xcc/0xe4 [ 54.768503][ T4821] el0t_64_sync+0x1a0/0x1a4 [ 54.779847][ T4823] FAULT_INJECTION: forcing a failure. [ 54.779847][ T4823] name failslab, interval 1, probability 0, space 0, times 0 [ 54.781888][ T4823] CPU: 1 PID: 4823 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.783351][ T4823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 54.784947][ T4823] Call trace: [ 54.785444][ T4823] dump_backtrace+0x0/0x458 [ 54.786141][ T4823] show_stack+0x2c/0x3c [ 54.786810][ T4823] __dump_stack+0x30/0x40 [ 54.787454][ T4823] dump_stack_lvl+0xf4/0x15c [ 54.788116][ T4823] dump_stack+0x1c/0x5c [ 54.788750][ T4823] should_fail+0x3bc/0x514 [ 54.789448][ T4823] __should_failslab+0xbc/0x10c [ 54.790296][ T4823] should_failslab+0x10/0x28 [ 54.791075][ T4823] slab_pre_alloc_hook+0x64/0xe8 [ 54.791874][ T4823] kmem_cache_alloc_trace+0x98/0x3ec [ 54.792764][ T4823] device_add+0xbc/0xf90 [ 54.793379][ T4823] device_add_disk+0x2d0/0xacc [ 54.794125][ T4823] loop_add+0x510/0x6e0 [ 54.794815][ T4823] loop_control_ioctl+0x130/0x4e0 [ 54.795629][ T4823] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.796453][ T4823] invoke_syscall+0x98/0x2b0 [ 54.797163][ T4823] el0_svc_common+0x138/0x258 [ 54.797885][ T4823] do_el0_svc+0x58/0x13c [ 54.798579][ T4823] el0_svc+0x78/0x1d0 [ 54.799267][ T4823] el0t_64_sync_handler+0xcc/0xe4 [ 54.800064][ T4823] el0t_64_sync+0x1a0/0x1a4 [ 54.809506][ T4825] FAULT_INJECTION: forcing a failure. [ 54.809506][ T4825] name failslab, interval 1, probability 0, space 0, times 0 [ 54.811527][ T4825] CPU: 1 PID: 4825 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.813040][ T4825] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 54.814615][ T4825] Call trace: [ 54.815091][ T4825] dump_backtrace+0x0/0x458 [ 54.815797][ T4825] show_stack+0x2c/0x3c [ 54.816418][ T4825] __dump_stack+0x30/0x40 [ 54.817131][ T4825] dump_stack_lvl+0xf4/0x15c [ 54.817884][ T4825] dump_stack+0x1c/0x5c [ 54.818587][ T4825] should_fail+0x3bc/0x514 [ 54.819280][ T4825] __should_failslab+0xbc/0x10c [ 54.820068][ T4825] should_failslab+0x10/0x28 [ 54.820810][ T4825] slab_pre_alloc_hook+0x64/0xe8 [ 54.821634][ T4825] kmem_cache_alloc_trace+0x98/0x3ec [ 54.822485][ T4825] rand_initialize_disk+0x58/0xb8 [ 54.823265][ T4825] __alloc_disk_node+0x2a8/0x450 [ 54.824094][ T4825] __blk_mq_alloc_disk+0xe8/0x154 [ 54.824933][ T4825] loop_add+0x240/0x6e0 [ 54.825569][ T4825] loop_control_ioctl+0x130/0x4e0 [ 54.826371][ T4825] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.827203][ T4825] invoke_syscall+0x98/0x2b0 [ 54.827923][ T4825] el0_svc_common+0x138/0x258 [ 54.828659][ T4825] do_el0_svc+0x58/0x13c [ 54.829346][ T4825] el0_svc+0x78/0x1d0 [ 54.829978][ T4825] el0t_64_sync_handler+0xcc/0xe4 [ 54.830794][ T4825] el0t_64_sync+0x1a0/0x1a4 [ 54.843165][ T4827] FAULT_INJECTION: forcing a failure. [ 54.843165][ T4827] name failslab, interval 1, probability 0, space 0, times 0 [ 54.845164][ T4827] CPU: 1 PID: 4827 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.846627][ T4827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 54.848307][ T4827] Call trace: [ 54.848845][ T4827] dump_backtrace+0x0/0x458 [ 54.849561][ T4827] show_stack+0x2c/0x3c [ 54.850242][ T4827] __dump_stack+0x30/0x40 [ 54.850930][ T4827] dump_stack_lvl+0xf4/0x15c [ 54.851674][ T4827] dump_stack+0x1c/0x5c [ 54.852361][ T4827] should_fail+0x3bc/0x514 [ 54.853092][ T4827] __should_failslab+0xbc/0x10c [ 54.853902][ T4827] should_failslab+0x10/0x28 [ 54.854650][ T4827] slab_pre_alloc_hook+0x64/0xe8 [ 54.855431][ T4827] kmem_cache_alloc_trace+0x98/0x3ec [ 54.856272][ T4827] rand_initialize_disk+0x58/0xb8 [ 54.857092][ T4827] __alloc_disk_node+0x2a8/0x450 [ 54.857839][ T4827] __blk_mq_alloc_disk+0xe8/0x154 [ 54.858650][ T4827] loop_add+0x240/0x6e0 [ 54.859407][ T4827] loop_control_ioctl+0x130/0x4e0 [ 54.860294][ T4827] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.861115][ T4827] invoke_syscall+0x98/0x2b0 [ 54.861781][ T4827] el0_svc_common+0x138/0x258 [ 54.862498][ T4827] do_el0_svc+0x58/0x13c [ 54.863145][ T4827] el0_svc+0x78/0x1d0 [ 54.863710][ T4827] el0t_64_sync_handler+0xcc/0xe4 [ 54.864519][ T4827] el0t_64_sync+0x1a0/0x1a4 [ 54.877134][ T4829] FAULT_INJECTION: forcing a failure. [ 54.877134][ T4829] name failslab, interval 1, probability 0, space 0, times 0 [ 54.879905][ T4829] CPU: 0 PID: 4829 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.881381][ T4829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 54.883061][ T4829] Call trace: [ 54.883570][ T4829] dump_backtrace+0x0/0x458 [ 54.884298][ T4829] show_stack+0x2c/0x3c [ 54.885039][ T4829] __dump_stack+0x30/0x40 [ 54.885710][ T4829] dump_stack_lvl+0xf4/0x15c [ 54.886506][ T4829] dump_stack+0x1c/0x5c [ 54.887177][ T4829] should_fail+0x3bc/0x514 [ 54.887860][ T4829] __should_failslab+0xbc/0x10c [ 54.888648][ T4829] should_failslab+0x10/0x28 [ 54.889366][ T4829] slab_pre_alloc_hook+0x64/0xe8 [ 54.890170][ T4829] kmem_cache_alloc_trace+0x98/0x3ec [ 54.891051][ T4829] device_add+0xbc/0xf90 [ 54.891758][ T4829] device_add_disk+0x2d0/0xacc [ 54.892563][ T4829] loop_add+0x510/0x6e0 [ 54.893251][ T4829] loop_control_ioctl+0x130/0x4e0 [ 54.894105][ T4829] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.894966][ T4829] invoke_syscall+0x98/0x2b0 [ 54.895746][ T4829] el0_svc_common+0x138/0x258 [ 54.896591][ T4829] do_el0_svc+0x58/0x13c [ 54.897286][ T4829] el0_svc+0x78/0x1d0 [ 54.897924][ T4829] el0t_64_sync_handler+0xcc/0xe4 [ 54.898737][ T4829] el0t_64_sync+0x1a0/0x1a4 [ 54.907707][ T4831] FAULT_INJECTION: forcing a failure. [ 54.907707][ T4831] name failslab, interval 1, probability 0, space 0, times 0 [ 54.909906][ T4831] CPU: 1 PID: 4831 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.911360][ T4831] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 54.912939][ T4831] Call trace: [ 54.913501][ T4831] dump_backtrace+0x0/0x458 [ 54.914182][ T4831] show_stack+0x2c/0x3c [ 54.914868][ T4831] __dump_stack+0x30/0x40 [ 54.915566][ T4831] dump_stack_lvl+0xf4/0x15c [ 54.916341][ T4831] dump_stack+0x1c/0x5c [ 54.917000][ T4831] should_fail+0x3bc/0x514 [ 54.917702][ T4831] __should_failslab+0xbc/0x10c [ 54.918476][ T4831] should_failslab+0x10/0x28 [ 54.919216][ T4831] slab_pre_alloc_hook+0x64/0xe8 [ 54.920000][ T4831] __kmalloc_track_caller+0x70/0x358 [ 54.920833][ T4831] kstrdup+0xe4/0x15c [ 54.921553][ T4831] kstrdup_const+0x54/0x6c [ 54.922317][ T4831] kvasprintf_const+0x120/0x2e4 [ 54.923142][ T4831] kobject_set_name_vargs+0xd8/0x1c8 [ 54.924058][ T4831] dev_set_name+0xe8/0x13c [ 54.924882][ T4831] device_add_disk+0x258/0xacc [ 54.925706][ T4831] loop_add+0x510/0x6e0 [ 54.926407][ T4831] loop_control_ioctl+0x130/0x4e0 [ 54.927268][ T4831] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.928101][ T4831] invoke_syscall+0x98/0x2b0 [ 54.928926][ T4831] el0_svc_common+0x138/0x258 [ 54.929752][ T4831] do_el0_svc+0x58/0x13c [ 54.930468][ T4831] el0_svc+0x78/0x1d0 [ 54.931071][ T4831] el0t_64_sync_handler+0xcc/0xe4 [ 54.931902][ T4831] el0t_64_sync+0x1a0/0x1a4 [ 54.940177][ T4833] FAULT_INJECTION: forcing a failure. [ 54.940177][ T4833] name failslab, interval 1, probability 0, space 0, times 0 [ 54.942172][ T4833] CPU: 1 PID: 4833 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.943639][ T4833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 54.945394][ T4833] Call trace: [ 54.945915][ T4833] dump_backtrace+0x0/0x458 [ 54.946595][ T4833] show_stack+0x2c/0x3c [ 54.947228][ T4833] __dump_stack+0x30/0x40 [ 54.947914][ T4833] dump_stack_lvl+0xf4/0x15c [ 54.948628][ T4833] dump_stack+0x1c/0x5c [ 54.949287][ T4833] should_fail+0x3bc/0x514 [ 54.949974][ T4833] __should_failslab+0xbc/0x10c [ 54.950776][ T4833] should_failslab+0x10/0x28 [ 54.951532][ T4833] slab_pre_alloc_hook+0x64/0xe8 [ 54.952333][ T4833] __kmalloc_track_caller+0x70/0x358 [ 54.953188][ T4833] kstrdup+0xe4/0x15c [ 54.953855][ T4833] kstrdup_const+0x54/0x6c [ 54.954600][ T4833] kvasprintf_const+0x120/0x2e4 [ 54.955416][ T4833] kobject_set_name_vargs+0xd8/0x1c8 [ 54.956254][ T4833] dev_set_name+0xe8/0x13c [ 54.957038][ T4833] device_add_disk+0x258/0xacc [ 54.957849][ T4833] loop_add+0x510/0x6e0 [ 54.958544][ T4833] loop_control_ioctl+0x130/0x4e0 [ 54.959394][ T4833] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.960190][ T4833] invoke_syscall+0x98/0x2b0 [ 54.960882][ T4833] el0_svc_common+0x138/0x258 [ 54.961621][ T4833] do_el0_svc+0x58/0x13c [ 54.962320][ T4833] el0_svc+0x78/0x1d0 [ 54.962966][ T4833] el0t_64_sync_handler+0xcc/0xe4 [ 54.963749][ T4833] el0t_64_sync+0x1a0/0x1a4 [ 54.973398][ T4835] FAULT_INJECTION: forcing a failure. [ 54.973398][ T4835] name failslab, interval 1, probability 0, space 0, times 0 [ 54.975586][ T4835] CPU: 1 PID: 4835 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.976929][ T4835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 54.978525][ T4835] Call trace: [ 54.979058][ T4835] dump_backtrace+0x0/0x458 [ 54.979806][ T4835] show_stack+0x2c/0x3c [ 54.980466][ T4835] __dump_stack+0x30/0x40 [ 54.981156][ T4835] dump_stack_lvl+0xf4/0x15c [ 54.982078][ T4835] dump_stack+0x1c/0x5c [ 54.982732][ T4835] should_fail+0x3bc/0x514 [ 54.983437][ T4835] __should_failslab+0xbc/0x10c [ 54.984266][ T4835] should_failslab+0x10/0x28 [ 54.984976][ T4835] slab_pre_alloc_hook+0x64/0xe8 [ 54.985787][ T4835] __kmalloc_track_caller+0x70/0x358 [ 54.986656][ T4835] kstrdup+0xe4/0x15c [ 54.987309][ T4835] kstrdup_const+0x54/0x6c [ 54.987988][ T4835] kvasprintf_const+0x120/0x2e4 [ 54.988774][ T4835] kobject_set_name_vargs+0xd8/0x1c8 [ 54.989675][ T4835] dev_set_name+0xe8/0x13c [ 54.990409][ T4835] device_add_disk+0x258/0xacc [ 54.991213][ T4835] loop_add+0x510/0x6e0 [ 54.991904][ T4835] loop_control_ioctl+0x130/0x4e0 [ 54.992737][ T4835] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.993562][ T4835] invoke_syscall+0x98/0x2b0 [ 54.994309][ T4835] el0_svc_common+0x138/0x258 [ 54.995085][ T4835] do_el0_svc+0x58/0x13c [ 54.995761][ T4835] el0_svc+0x78/0x1d0 [ 54.996419][ T4835] el0t_64_sync_handler+0xcc/0xe4 [ 54.997237][ T4835] el0t_64_sync+0x1a0/0x1a4 [ 55.006504][ T4837] FAULT_INJECTION: forcing a failure. [ 55.006504][ T4837] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 55.008608][ T4837] CPU: 1 PID: 4837 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.010091][ T4837] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.011633][ T4837] Call trace: [ 55.012137][ T4837] dump_backtrace+0x0/0x458 [ 55.012759][ T4837] show_stack+0x2c/0x3c [ 55.013392][ T4837] __dump_stack+0x30/0x40 [ 55.014031][ T4837] dump_stack_lvl+0xf4/0x15c [ 55.014728][ T4837] dump_stack+0x1c/0x5c [ 55.015435][ T4837] should_fail+0x3bc/0x514 [ 55.016179][ T4837] should_fail_alloc_page+0x74/0xa8 [ 55.017048][ T4837] prepare_alloc_pages+0x160/0x45c [ 55.017859][ T4837] __alloc_pages+0x108/0x470 [ 55.018605][ T4837] alloc_pages+0x34c/0x5c0 [ 55.019296][ T4837] new_slab+0xe0/0x544 [ 55.019936][ T4837] ___slab_alloc+0x6b4/0xd8c [ 55.020705][ T4837] __slab_alloc+0x68/0xc0 [ 55.021349][ T4837] kmem_cache_alloc_trace+0x2b8/0x3ec [ 55.022187][ T4837] rand_initialize_disk+0x58/0xb8 [ 55.022936][ T4837] __alloc_disk_node+0x2a8/0x450 [ 55.023754][ T4837] __blk_mq_alloc_disk+0xe8/0x154 [ 55.024505][ T4837] loop_add+0x240/0x6e0 [ 55.025134][ T4837] loop_control_ioctl+0x130/0x4e0 [ 55.025940][ T4837] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.026765][ T4837] invoke_syscall+0x98/0x2b0 [ 55.027524][ T4837] el0_svc_common+0x138/0x258 [ 55.028290][ T4837] do_el0_svc+0x58/0x13c [ 55.029016][ T4837] el0_svc+0x78/0x1d0 [ 55.029668][ T4837] el0t_64_sync_handler+0xcc/0xe4 [ 55.030488][ T4837] el0t_64_sync+0x1a0/0x1a4 [ 55.041951][ T4839] FAULT_INJECTION: forcing a failure. [ 55.041951][ T4839] name failslab, interval 1, probability 0, space 0, times 0 [ 55.044103][ T4839] CPU: 0 PID: 4839 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.045681][ T4839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.047335][ T4839] Call trace: [ 55.047860][ T4839] dump_backtrace+0x0/0x458 [ 55.048572][ T4839] show_stack+0x2c/0x3c [ 55.049238][ T4839] __dump_stack+0x30/0x40 [ 55.050018][ T4839] dump_stack_lvl+0xf4/0x15c [ 55.050756][ T4839] dump_stack+0x1c/0x5c [ 55.051442][ T4839] should_fail+0x3bc/0x514 [ 55.052198][ T4839] __should_failslab+0xbc/0x10c [ 55.053051][ T4839] should_failslab+0x10/0x28 [ 55.053811][ T4839] slab_pre_alloc_hook+0x64/0xe8 [ 55.054590][ T4839] kmem_cache_alloc_trace+0x98/0x3ec [ 55.055428][ T4839] device_add+0xbc/0xf90 [ 55.056154][ T4839] device_add_disk+0x2d0/0xacc [ 55.056976][ T4839] loop_add+0x510/0x6e0 [ 55.057693][ T4839] loop_control_ioctl+0x130/0x4e0 [ 55.058542][ T4839] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.059359][ T4839] invoke_syscall+0x98/0x2b0 [ 55.060140][ T4839] el0_svc_common+0x138/0x258 [ 55.060920][ T4839] do_el0_svc+0x58/0x13c [ 55.061611][ T4839] el0_svc+0x78/0x1d0 [ 55.062251][ T4839] el0t_64_sync_handler+0xcc/0xe4 [ 55.063072][ T4839] el0t_64_sync+0x1a0/0x1a4 [ 55.073662][ T4841] FAULT_INJECTION: forcing a failure. [ 55.073662][ T4841] name failslab, interval 1, probability 0, space 0, times 0 [ 55.075591][ T4841] CPU: 1 PID: 4841 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.077001][ T4841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.078520][ T4841] Call trace: [ 55.079013][ T4841] dump_backtrace+0x0/0x458 [ 55.079742][ T4841] show_stack+0x2c/0x3c [ 55.080394][ T4841] __dump_stack+0x30/0x40 [ 55.081062][ T4841] dump_stack_lvl+0xf4/0x15c [ 55.081809][ T4841] dump_stack+0x1c/0x5c [ 55.082493][ T4841] should_fail+0x3bc/0x514 [ 55.083217][ T4841] __should_failslab+0xbc/0x10c [ 55.084021][ T4841] should_failslab+0x10/0x28 [ 55.084773][ T4841] slab_pre_alloc_hook+0x64/0xe8 [ 55.085598][ T4841] __kmalloc_track_caller+0x70/0x358 [ 55.086465][ T4841] kstrdup+0xe4/0x15c [ 55.087055][ T4841] kstrdup_const+0x54/0x6c [ 55.087746][ T4841] kvasprintf_const+0x120/0x2e4 [ 55.088560][ T4841] kobject_set_name_vargs+0xd8/0x1c8 [ 55.089386][ T4841] dev_set_name+0xe8/0x13c [ 55.090081][ T4841] device_add_disk+0x258/0xacc [ 55.090821][ T4841] loop_add+0x510/0x6e0 [ 55.091487][ T4841] loop_control_ioctl+0x130/0x4e0 [ 55.092254][ T4841] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.093037][ T4841] invoke_syscall+0x98/0x2b0 [ 55.093718][ T4841] el0_svc_common+0x138/0x258 [ 55.094454][ T4841] do_el0_svc+0x58/0x13c [ 55.095169][ T4841] el0_svc+0x78/0x1d0 [ 55.095833][ T4841] el0t_64_sync_handler+0xcc/0xe4 [ 55.096683][ T4841] el0t_64_sync+0x1a0/0x1a4 [ 55.106218][ T4843] FAULT_INJECTION: forcing a failure. [ 55.106218][ T4843] name failslab, interval 1, probability 0, space 0, times 0 [ 55.108287][ T4843] CPU: 1 PID: 4843 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.109766][ T4843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.111311][ T4843] Call trace: [ 55.111855][ T4843] dump_backtrace+0x0/0x458 [ 55.112615][ T4843] show_stack+0x2c/0x3c [ 55.113344][ T4843] __dump_stack+0x30/0x40 [ 55.114030][ T4843] dump_stack_lvl+0xf4/0x15c [ 55.114779][ T4843] dump_stack+0x1c/0x5c [ 55.115452][ T4843] should_fail+0x3bc/0x514 [ 55.116157][ T4843] __should_failslab+0xbc/0x10c [ 55.116939][ T4843] should_failslab+0x10/0x28 [ 55.117711][ T4843] slab_pre_alloc_hook+0x64/0xe8 [ 55.118492][ T4843] kmem_cache_alloc_trace+0x98/0x3ec [ 55.119346][ T4843] device_add+0xbc/0xf90 [ 55.120041][ T4843] device_add_disk+0x2d0/0xacc [ 55.120837][ T4843] loop_add+0x510/0x6e0 [ 55.121528][ T4843] loop_control_ioctl+0x130/0x4e0 [ 55.122339][ T4843] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.123179][ T4843] invoke_syscall+0x98/0x2b0 [ 55.123951][ T4843] el0_svc_common+0x138/0x258 [ 55.124744][ T4843] do_el0_svc+0x58/0x13c [ 55.125504][ T4843] el0_svc+0x78/0x1d0 [ 55.126211][ T4843] el0t_64_sync_handler+0xcc/0xe4 [ 55.126967][ T4843] el0t_64_sync+0x1a0/0x1a4 [ 55.136022][ T4845] FAULT_INJECTION: forcing a failure. [ 55.136022][ T4845] name failslab, interval 1, probability 0, space 0, times 0 [ 55.137970][ T4845] CPU: 1 PID: 4845 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.139297][ T4845] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.140974][ T4845] Call trace: [ 55.141545][ T4845] dump_backtrace+0x0/0x458 [ 55.142319][ T4845] show_stack+0x2c/0x3c [ 55.142979][ T4845] __dump_stack+0x30/0x40 [ 55.143638][ T4845] dump_stack_lvl+0xf4/0x15c [ 55.144359][ T4845] dump_stack+0x1c/0x5c [ 55.144984][ T4845] should_fail+0x3bc/0x514 [ 55.145663][ T4845] __should_failslab+0xbc/0x10c [ 55.146409][ T4845] should_failslab+0x10/0x28 [ 55.147112][ T4845] slab_pre_alloc_hook+0x64/0xe8 [ 55.147917][ T4845] kmem_cache_alloc_trace+0x98/0x3ec [ 55.148750][ T4845] rand_initialize_disk+0x58/0xb8 [ 55.149550][ T4845] __alloc_disk_node+0x2a8/0x450 [ 55.150349][ T4845] __blk_mq_alloc_disk+0xe8/0x154 [ 55.151166][ T4845] loop_add+0x240/0x6e0 [ 55.151799][ T4845] loop_control_ioctl+0x130/0x4e0 [ 55.152620][ T4845] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.153389][ T4845] invoke_syscall+0x98/0x2b0 [ 55.154156][ T4845] el0_svc_common+0x138/0x258 [ 55.154952][ T4845] do_el0_svc+0x58/0x13c [ 55.155639][ T4845] el0_svc+0x78/0x1d0 [ 55.156287][ T4845] el0t_64_sync_handler+0xcc/0xe4 [ 55.157052][ T4845] el0t_64_sync+0x1a0/0x1a4 [ 55.169993][ T4847] FAULT_INJECTION: forcing a failure. [ 55.169993][ T4847] name failslab, interval 1, probability 0, space 0, times 0 [ 55.172246][ T4847] CPU: 0 PID: 4847 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.173706][ T4847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.175274][ T4847] Call trace: [ 55.175776][ T4847] dump_backtrace+0x0/0x458 [ 55.176520][ T4847] show_stack+0x2c/0x3c [ 55.177168][ T4847] __dump_stack+0x30/0x40 [ 55.177793][ T4847] dump_stack_lvl+0xf4/0x15c [ 55.178471][ T4847] dump_stack+0x1c/0x5c [ 55.179160][ T4847] should_fail+0x3bc/0x514 [ 55.179907][ T4847] __should_failslab+0xbc/0x10c [ 55.180717][ T4847] should_failslab+0x10/0x28 [ 55.181497][ T4847] slab_pre_alloc_hook+0x64/0xe8 [ 55.182368][ T4847] __kmalloc_track_caller+0x70/0x358 [ 55.183229][ T4847] kstrdup+0xe4/0x15c [ 55.183863][ T4847] kstrdup_const+0x54/0x6c [ 55.184597][ T4847] kvasprintf_const+0x120/0x2e4 [ 55.185341][ T4847] kobject_set_name_vargs+0xd8/0x1c8 [ 55.186190][ T4847] dev_set_name+0xe8/0x13c [ 55.186866][ T4847] device_add_disk+0x258/0xacc [ 55.187663][ T4847] loop_add+0x510/0x6e0 [ 55.188311][ T4847] loop_control_ioctl+0x130/0x4e0 [ 55.189138][ T4847] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.189963][ T4847] invoke_syscall+0x98/0x2b0 [ 55.190671][ T4847] el0_svc_common+0x138/0x258 [ 55.191388][ T4847] do_el0_svc+0x58/0x13c [ 55.192060][ T4847] el0_svc+0x78/0x1d0 [ 55.192695][ T4847] el0t_64_sync_handler+0xcc/0xe4 [ 55.193489][ T4847] el0t_64_sync+0x1a0/0x1a4 [ 55.204001][ T4849] FAULT_INJECTION: forcing a failure. [ 55.204001][ T4849] name failslab, interval 1, probability 0, space 0, times 0 [ 55.206050][ T4849] CPU: 1 PID: 4849 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.207499][ T4849] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.209087][ T4849] Call trace: [ 55.209606][ T4849] dump_backtrace+0x0/0x458 [ 55.210308][ T4849] show_stack+0x2c/0x3c [ 55.210959][ T4849] __dump_stack+0x30/0x40 [ 55.211747][ T4849] dump_stack_lvl+0xf4/0x15c [ 55.212512][ T4849] dump_stack+0x1c/0x5c [ 55.213192][ T4849] should_fail+0x3bc/0x514 [ 55.213888][ T4849] __should_failslab+0xbc/0x10c [ 55.214688][ T4849] should_failslab+0x10/0x28 [ 55.215416][ T4849] slab_pre_alloc_hook+0x64/0xe8 [ 55.216210][ T4849] __kmalloc_track_caller+0x70/0x358 [ 55.217026][ T4849] kstrdup+0xe4/0x15c [ 55.217706][ T4849] kstrdup_const+0x54/0x6c [ 55.218419][ T4849] kvasprintf_const+0x120/0x2e4 [ 55.219184][ T4849] kobject_set_name_vargs+0xd8/0x1c8 [ 55.220060][ T4849] dev_set_name+0xe8/0x13c [ 55.220826][ T4849] device_add_disk+0x258/0xacc [ 55.221566][ T4849] loop_add+0x510/0x6e0 [ 55.222235][ T4849] loop_control_ioctl+0x130/0x4e0 [ 55.223088][ T4849] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.223922][ T4849] invoke_syscall+0x98/0x2b0 [ 55.224695][ T4849] el0_svc_common+0x138/0x258 [ 55.225464][ T4849] do_el0_svc+0x58/0x13c [ 55.226123][ T4849] el0_svc+0x78/0x1d0 [ 55.226732][ T4849] el0t_64_sync_handler+0xcc/0xe4 [ 55.227488][ T4849] el0t_64_sync+0x1a0/0x1a4 [ 55.237457][ T4851] FAULT_INJECTION: forcing a failure. [ 55.237457][ T4851] name failslab, interval 1, probability 0, space 0, times 0 [ 55.239609][ T4851] CPU: 0 PID: 4851 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.240975][ T4851] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.242552][ T4851] Call trace: [ 55.243042][ T4851] dump_backtrace+0x0/0x458 [ 55.243795][ T4851] show_stack+0x2c/0x3c [ 55.244493][ T4851] __dump_stack+0x30/0x40 [ 55.245232][ T4851] dump_stack_lvl+0xf4/0x15c [ 55.246026][ T4851] dump_stack+0x1c/0x5c [ 55.246725][ T4851] should_fail+0x3bc/0x514 [ 55.247381][ T4851] __should_failslab+0xbc/0x10c [ 55.248121][ T4851] should_failslab+0x10/0x28 [ 55.248803][ T4851] slab_pre_alloc_hook+0x64/0xe8 [ 55.249581][ T4851] kmem_cache_alloc_trace+0x98/0x3ec [ 55.250479][ T4851] rand_initialize_disk+0x58/0xb8 [ 55.251320][ T4851] __alloc_disk_node+0x2a8/0x450 [ 55.252183][ T4851] __blk_mq_alloc_disk+0xe8/0x154 [ 55.253027][ T4851] loop_add+0x240/0x6e0 [ 55.253711][ T4851] loop_control_ioctl+0x130/0x4e0 [ 55.254557][ T4851] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.255382][ T4851] invoke_syscall+0x98/0x2b0 [ 55.256184][ T4851] el0_svc_common+0x138/0x258 [ 55.256917][ T4851] do_el0_svc+0x58/0x13c [ 55.257603][ T4851] el0_svc+0x78/0x1d0 [ 55.258233][ T4851] el0t_64_sync_handler+0xcc/0xe4 [ 55.259068][ T4851] el0t_64_sync+0x1a0/0x1a4 [ 55.270970][ T4853] FAULT_INJECTION: forcing a failure. [ 55.270970][ T4853] name failslab, interval 1, probability 0, space 0, times 0 [ 55.273005][ T4853] CPU: 0 PID: 4853 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.274440][ T4853] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.276034][ T4853] Call trace: [ 55.276549][ T4853] dump_backtrace+0x0/0x458 [ 55.277252][ T4853] show_stack+0x2c/0x3c [ 55.277885][ T4853] __dump_stack+0x30/0x40 [ 55.278556][ T4853] dump_stack_lvl+0xf4/0x15c [ 55.279263][ T4853] dump_stack+0x1c/0x5c [ 55.279948][ T4853] should_fail+0x3bc/0x514 [ 55.280679][ T4853] __should_failslab+0xbc/0x10c [ 55.281475][ T4853] should_failslab+0x10/0x28 [ 55.282180][ T4853] slab_pre_alloc_hook+0x64/0xe8 [ 55.283002][ T4853] kmem_cache_alloc_trace+0x98/0x3ec [ 55.283879][ T4853] device_add+0xbc/0xf90 [ 55.284564][ T4853] device_add_disk+0x2d0/0xacc [ 55.285364][ T4853] loop_add+0x510/0x6e0 [ 55.286036][ T4853] loop_control_ioctl+0x130/0x4e0 [ 55.286841][ T4853] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.287650][ T4853] invoke_syscall+0x98/0x2b0 [ 55.288416][ T4853] el0_svc_common+0x138/0x258 [ 55.289198][ T4853] do_el0_svc+0x58/0x13c [ 55.289923][ T4853] el0_svc+0x78/0x1d0 [ 55.290552][ T4853] el0t_64_sync_handler+0xcc/0xe4 [ 55.291372][ T4853] el0t_64_sync+0x1a0/0x1a4 [ 55.301200][ T4855] FAULT_INJECTION: forcing a failure. [ 55.301200][ T4855] name failslab, interval 1, probability 0, space 0, times 0 [ 55.303271][ T4855] CPU: 1 PID: 4855 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.304769][ T4855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.306471][ T4855] Call trace: [ 55.306991][ T4855] dump_backtrace+0x0/0x458 [ 55.307710][ T4855] show_stack+0x2c/0x3c [ 55.308321][ T4855] __dump_stack+0x30/0x40 [ 55.309001][ T4855] dump_stack_lvl+0xf4/0x15c [ 55.309776][ T4855] dump_stack+0x1c/0x5c [ 55.310478][ T4855] should_fail+0x3bc/0x514 [ 55.311162][ T4855] __should_failslab+0xbc/0x10c [ 55.311985][ T4855] should_failslab+0x10/0x28 [ 55.312711][ T4855] slab_pre_alloc_hook+0x64/0xe8 [ 55.313513][ T4855] __kmalloc_track_caller+0x70/0x358 [ 55.314369][ T4855] kstrdup+0xe4/0x15c [ 55.315023][ T4855] kstrdup_const+0x54/0x6c [ 55.315806][ T4855] kvasprintf_const+0x120/0x2e4 [ 55.316650][ T4855] kobject_set_name_vargs+0xd8/0x1c8 [ 55.317509][ T4855] dev_set_name+0xe8/0x13c [ 55.318259][ T4855] device_add_disk+0x258/0xacc [ 55.319057][ T4855] loop_add+0x510/0x6e0 [ 55.319714][ T4855] loop_control_ioctl+0x130/0x4e0 [ 55.320539][ T4855] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.321372][ T4855] invoke_syscall+0x98/0x2b0 [ 55.322175][ T4855] el0_svc_common+0x138/0x258 [ 55.322913][ T4855] do_el0_svc+0x58/0x13c [ 55.323566][ T4855] el0_svc+0x78/0x1d0 [ 55.324228][ T4855] el0t_64_sync_handler+0xcc/0xe4 [ 55.325085][ T4855] el0t_64_sync+0x1a0/0x1a4 [ 55.335393][ T4857] FAULT_INJECTION: forcing a failure. [ 55.335393][ T4857] name failslab, interval 1, probability 0, space 0, times 0 [ 55.337494][ T4857] CPU: 0 PID: 4857 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.338970][ T4857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.340571][ T4857] Call trace: [ 55.341102][ T4857] dump_backtrace+0x0/0x458 [ 55.341896][ T4857] show_stack+0x2c/0x3c [ 55.342588][ T4857] __dump_stack+0x30/0x40 [ 55.343317][ T4857] dump_stack_lvl+0xf4/0x15c [ 55.344079][ T4857] dump_stack+0x1c/0x5c [ 55.344762][ T4857] should_fail+0x3bc/0x514 [ 55.345468][ T4857] __should_failslab+0xbc/0x10c [ 55.346223][ T4857] should_failslab+0x10/0x28 [ 55.346933][ T4857] slab_pre_alloc_hook+0x64/0xe8 [ 55.347707][ T4857] __kmalloc_track_caller+0x70/0x358 [ 55.348550][ T4857] kstrdup+0xe4/0x15c [ 55.349168][ T4857] kstrdup_const+0x54/0x6c [ 55.349844][ T4857] kvasprintf_const+0x120/0x2e4 [ 55.350653][ T4857] kobject_set_name_vargs+0xd8/0x1c8 [ 55.351516][ T4857] dev_set_name+0xe8/0x13c [ 55.352271][ T4857] device_add_disk+0x258/0xacc [ 55.353071][ T4857] loop_add+0x510/0x6e0 [ 55.353704][ T4857] loop_control_ioctl+0x130/0x4e0 [ 55.354467][ T4857] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.355245][ T4857] invoke_syscall+0x98/0x2b0 [ 55.356029][ T4857] el0_svc_common+0x138/0x258 [ 55.356848][ T4857] do_el0_svc+0x58/0x13c [ 55.357559][ T4857] el0_svc+0x78/0x1d0 [ 55.358196][ T4857] el0t_64_sync_handler+0xcc/0xe4 [ 55.359038][ T4857] el0t_64_sync+0x1a0/0x1a4 [ 55.368464][ T4859] FAULT_INJECTION: forcing a failure. [ 55.368464][ T4859] name failslab, interval 1, probability 0, space 0, times 0 [ 55.370771][ T4859] CPU: 1 PID: 4859 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.372215][ T4859] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.373892][ T4859] Call trace: [ 55.374439][ T4859] dump_backtrace+0x0/0x458 [ 55.375148][ T4859] show_stack+0x2c/0x3c [ 55.375802][ T4859] __dump_stack+0x30/0x40 [ 55.376483][ T4859] dump_stack_lvl+0xf4/0x15c [ 55.377191][ T4859] dump_stack+0x1c/0x5c [ 55.377846][ T4859] should_fail+0x3bc/0x514 [ 55.378541][ T4859] __should_failslab+0xbc/0x10c [ 55.379367][ T4859] should_failslab+0x10/0x28 [ 55.380089][ T4859] slab_pre_alloc_hook+0x64/0xe8 [ 55.380907][ T4859] kmem_cache_alloc_trace+0x98/0x3ec [ 55.381798][ T4859] device_add+0xbc/0xf90 [ 55.382525][ T4859] device_add_disk+0x2d0/0xacc [ 55.383314][ T4859] loop_add+0x510/0x6e0 [ 55.384014][ T4859] loop_control_ioctl+0x130/0x4e0 [ 55.384873][ T4859] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.385636][ T4859] invoke_syscall+0x98/0x2b0 [ 55.386361][ T4859] el0_svc_common+0x138/0x258 [ 55.387154][ T4859] do_el0_svc+0x58/0x13c [ 55.387881][ T4859] el0_svc+0x78/0x1d0 [ 55.388600][ T4859] el0t_64_sync_handler+0xcc/0xe4 [ 55.389425][ T4859] el0t_64_sync+0x1a0/0x1a4 [ 55.398727][ T4861] FAULT_INJECTION: forcing a failure. [ 55.398727][ T4861] name failslab, interval 1, probability 0, space 0, times 0 [ 55.400921][ T4861] CPU: 1 PID: 4861 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.402350][ T4861] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.403928][ T4861] Call trace: [ 55.404475][ T4861] dump_backtrace+0x0/0x458 [ 55.405224][ T4861] show_stack+0x2c/0x3c [ 55.405836][ T4861] __dump_stack+0x30/0x40 [ 55.406559][ T4861] dump_stack_lvl+0xf4/0x15c [ 55.407348][ T4861] dump_stack+0x1c/0x5c [ 55.407990][ T4861] should_fail+0x3bc/0x514 [ 55.408732][ T4861] __should_failslab+0xbc/0x10c [ 55.409545][ T4861] should_failslab+0x10/0x28 [ 55.410271][ T4861] slab_pre_alloc_hook+0x64/0xe8 [ 55.411078][ T4861] kmem_cache_alloc_trace+0x98/0x3ec [ 55.411955][ T4861] device_add+0xbc/0xf90 [ 55.412649][ T4861] device_add_disk+0x2d0/0xacc [ 55.413551][ T4861] loop_add+0x510/0x6e0 [ 55.414244][ T4861] loop_control_ioctl+0x130/0x4e0 [ 55.415083][ T4861] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.415858][ T4861] invoke_syscall+0x98/0x2b0 [ 55.416725][ T4861] el0_svc_common+0x138/0x258 [ 55.417497][ T4861] do_el0_svc+0x58/0x13c [ 55.418239][ T4861] el0_svc+0x78/0x1d0 [ 55.418894][ T4861] el0t_64_sync_handler+0xcc/0xe4 [ 55.419637][ T4861] el0t_64_sync+0x1a0/0x1a4 [ 55.428873][ T4863] FAULT_INJECTION: forcing a failure. [ 55.428873][ T4863] name failslab, interval 1, probability 0, space 0, times 0 [ 55.431705][ T4863] CPU: 1 PID: 4863 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.433122][ T4863] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.434689][ T4863] Call trace: [ 55.435230][ T4863] dump_backtrace+0x0/0x458 [ 55.435926][ T4863] show_stack+0x2c/0x3c [ 55.436624][ T4863] __dump_stack+0x30/0x40 [ 55.437337][ T4863] dump_stack_lvl+0xf4/0x15c [ 55.438158][ T4863] dump_stack+0x1c/0x5c [ 55.438784][ T4863] should_fail+0x3bc/0x514 [ 55.439547][ T4863] __should_failslab+0xbc/0x10c [ 55.440312][ T4863] should_failslab+0x10/0x28 [ 55.441119][ T4863] slab_pre_alloc_hook+0x64/0xe8 [ 55.441965][ T4863] kmem_cache_alloc_trace+0x98/0x3ec [ 55.442913][ T4863] rand_initialize_disk+0x58/0xb8 [ 55.443746][ T4863] __alloc_disk_node+0x2a8/0x450 [ 55.444525][ T4863] __blk_mq_alloc_disk+0xe8/0x154 [ 55.445380][ T4863] loop_add+0x240/0x6e0 [ 55.446061][ T4863] loop_control_ioctl+0x130/0x4e0 [ 55.446871][ T4863] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.447825][ T4863] invoke_syscall+0x98/0x2b0 [ 55.448592][ T4863] el0_svc_common+0x138/0x258 [ 55.449368][ T4863] do_el0_svc+0x58/0x13c [ 55.450075][ T4863] el0_svc+0x78/0x1d0 [ 55.450745][ T4863] el0t_64_sync_handler+0xcc/0xe4 [ 55.451554][ T4863] el0t_64_sync+0x1a0/0x1a4 [ 55.464676][ T4865] FAULT_INJECTION: forcing a failure. [ 55.464676][ T4865] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 55.466806][ T4865] CPU: 1 PID: 4865 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.468303][ T4865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.469897][ T4865] Call trace: [ 55.470478][ T4865] dump_backtrace+0x0/0x458 [ 55.471234][ T4865] show_stack+0x2c/0x3c [ 55.471864][ T4865] __dump_stack+0x30/0x40 [ 55.472542][ T4865] dump_stack_lvl+0xf4/0x15c [ 55.473310][ T4865] dump_stack+0x1c/0x5c [ 55.473991][ T4865] should_fail+0x3bc/0x514 [ 55.474740][ T4865] should_fail_alloc_page+0x74/0xa8 [ 55.475614][ T4865] prepare_alloc_pages+0x160/0x45c [ 55.476380][ T4865] __alloc_pages+0x108/0x470 [ 55.477143][ T4865] alloc_pages+0x34c/0x5c0 [ 55.477832][ T4865] new_slab+0xe0/0x544 [ 55.478497][ T4865] ___slab_alloc+0x6b4/0xd8c [ 55.479261][ T4865] __slab_alloc+0x68/0xc0 [ 55.480031][ T4865] __kmalloc_track_caller+0x25c/0x358 [ 55.480982][ T4865] kstrdup+0xe4/0x15c [ 55.481630][ T4865] kstrdup_const+0x54/0x6c [ 55.482385][ T4865] kvasprintf_const+0x120/0x2e4 [ 55.483215][ T4865] kobject_set_name_vargs+0xd8/0x1c8 [ 55.484091][ T4865] dev_set_name+0xe8/0x13c [ 55.484818][ T4865] device_add_disk+0x258/0xacc [ 55.485661][ T4865] loop_add+0x510/0x6e0 [ 55.486381][ T4865] loop_control_ioctl+0x130/0x4e0 [ 55.487231][ T4865] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.488142][ T4865] invoke_syscall+0x98/0x2b0 [ 55.488902][ T4865] el0_svc_common+0x138/0x258 [ 55.489671][ T4865] do_el0_svc+0x58/0x13c [ 55.490481][ T4865] el0_svc+0x78/0x1d0 [ 55.491134][ T4865] el0t_64_sync_handler+0xcc/0xe4 [ 55.491923][ T4865] el0t_64_sync+0x1a0/0x1a4 [ 55.504905][ T4867] FAULT_INJECTION: forcing a failure. [ 55.504905][ T4867] name failslab, interval 1, probability 0, space 0, times 0 [ 55.506926][ T4867] CPU: 0 PID: 4867 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.508294][ T4867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.509842][ T4867] Call trace: [ 55.510344][ T4867] dump_backtrace+0x0/0x458 [ 55.511099][ T4867] show_stack+0x2c/0x3c [ 55.511800][ T4867] __dump_stack+0x30/0x40 [ 55.512491][ T4867] dump_stack_lvl+0xf4/0x15c [ 55.513272][ T4867] dump_stack+0x1c/0x5c [ 55.513957][ T4867] should_fail+0x3bc/0x514 [ 55.514678][ T4867] __should_failslab+0xbc/0x10c [ 55.515478][ T4867] should_failslab+0x10/0x28 [ 55.516210][ T4867] slab_pre_alloc_hook+0x64/0xe8 [ 55.517044][ T4867] kmem_cache_alloc_trace+0x98/0x3ec [ 55.517915][ T4867] device_add+0xbc/0xf90 [ 55.518566][ T4867] device_add_disk+0x2d0/0xacc [ 55.519308][ T4867] loop_add+0x510/0x6e0 [ 55.519945][ T4867] loop_control_ioctl+0x130/0x4e0 [ 55.520760][ T4867] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.521541][ T4867] invoke_syscall+0x98/0x2b0 [ 55.522231][ T4867] el0_svc_common+0x138/0x258 [ 55.522938][ T4867] do_el0_svc+0x58/0x13c [ 55.523622][ T4867] el0_svc+0x78/0x1d0 [ 55.524217][ T4867] el0t_64_sync_handler+0xcc/0xe4 [ 55.525024][ T4867] el0t_64_sync+0x1a0/0x1a4 [ 55.533689][ T4869] FAULT_INJECTION: forcing a failure. [ 55.533689][ T4869] name failslab, interval 1, probability 0, space 0, times 0 [ 55.535731][ T4869] CPU: 1 PID: 4869 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.537138][ T4869] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.538688][ T4869] Call trace: [ 55.539209][ T4869] dump_backtrace+0x0/0x458 [ 55.539924][ T4869] show_stack+0x2c/0x3c [ 55.540589][ T4869] __dump_stack+0x30/0x40 [ 55.541276][ T4869] dump_stack_lvl+0xf4/0x15c [ 55.541985][ T4869] dump_stack+0x1c/0x5c [ 55.542639][ T4869] should_fail+0x3bc/0x514 [ 55.543380][ T4869] __should_failslab+0xbc/0x10c [ 55.544174][ T4869] should_failslab+0x10/0x28 [ 55.544891][ T4869] slab_pre_alloc_hook+0x64/0xe8 [ 55.545676][ T4869] __kmalloc_track_caller+0x70/0x358 [ 55.546478][ T4869] kstrdup+0xe4/0x15c [ 55.547087][ T4869] kstrdup_const+0x54/0x6c [ 55.547821][ T4869] kvasprintf_const+0x120/0x2e4 [ 55.548616][ T4869] kobject_set_name_vargs+0xd8/0x1c8 [ 55.549470][ T4869] dev_set_name+0xe8/0x13c [ 55.550191][ T4869] device_add_disk+0x258/0xacc [ 55.550985][ T4869] loop_add+0x510/0x6e0 [ 55.551666][ T4869] loop_control_ioctl+0x130/0x4e0 [ 55.552490][ T4869] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.553286][ T4869] invoke_syscall+0x98/0x2b0 [ 55.554034][ T4869] el0_svc_common+0x138/0x258 [ 55.554767][ T4869] do_el0_svc+0x58/0x13c [ 55.555494][ T4869] el0_svc+0x78/0x1d0 [ 55.556130][ T4869] el0t_64_sync_handler+0xcc/0xe4 [ 55.556952][ T4869] el0t_64_sync+0x1a0/0x1a4 [ 55.566299][ T4871] FAULT_INJECTION: forcing a failure. [ 55.566299][ T4871] name failslab, interval 1, probability 0, space 0, times 0 [ 55.568368][ T4871] CPU: 1 PID: 4871 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.569812][ T4871] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.571457][ T4871] Call trace: [ 55.571939][ T4871] dump_backtrace+0x0/0x458 [ 55.572631][ T4871] show_stack+0x2c/0x3c [ 55.573326][ T4871] __dump_stack+0x30/0x40 [ 55.574015][ T4871] dump_stack_lvl+0xf4/0x15c [ 55.574752][ T4871] dump_stack+0x1c/0x5c [ 55.575413][ T4871] should_fail+0x3bc/0x514 [ 55.576157][ T4871] __should_failslab+0xbc/0x10c [ 55.576947][ T4871] should_failslab+0x10/0x28 [ 55.577689][ T4871] slab_pre_alloc_hook+0x64/0xe8 [ 55.578479][ T4871] __kmalloc_track_caller+0x70/0x358 [ 55.579323][ T4871] kstrdup+0xe4/0x15c [ 55.579941][ T4871] kstrdup_const+0x54/0x6c [ 55.580635][ T4871] kvasprintf_const+0x120/0x2e4 [ 55.581373][ T4871] kobject_set_name_vargs+0xd8/0x1c8 [ 55.582225][ T4871] dev_set_name+0xe8/0x13c [ 55.582931][ T4871] device_add_disk+0x258/0xacc [ 55.583707][ T4871] loop_add+0x510/0x6e0 [ 55.584379][ T4871] loop_control_ioctl+0x130/0x4e0 [ 55.585161][ T4871] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.585938][ T4871] invoke_syscall+0x98/0x2b0 [ 55.586678][ T4871] el0_svc_common+0x138/0x258 [ 55.587438][ T4871] do_el0_svc+0x58/0x13c [ 55.588133][ T4871] el0_svc+0x78/0x1d0 [ 55.588754][ T4871] el0t_64_sync_handler+0xcc/0xe4 [ 55.589602][ T4871] el0t_64_sync+0x1a0/0x1a4 [ 55.598997][ T4873] FAULT_INJECTION: forcing a failure. [ 55.598997][ T4873] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 55.602178][ T4873] CPU: 0 PID: 4873 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.603612][ T4873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.605171][ T4873] Call trace: [ 55.605675][ T4873] dump_backtrace+0x0/0x458 [ 55.606382][ T4873] show_stack+0x2c/0x3c [ 55.607023][ T4873] __dump_stack+0x30/0x40 [ 55.607714][ T4873] dump_stack_lvl+0xf4/0x15c [ 55.608440][ T4873] dump_stack+0x1c/0x5c [ 55.609088][ T4873] should_fail+0x3bc/0x514 [ 55.609825][ T4873] should_fail_alloc_page+0x74/0xa8 [ 55.610695][ T4873] prepare_alloc_pages+0x160/0x45c [ 55.611557][ T4873] __alloc_pages+0x108/0x470 [ 55.612318][ T4873] alloc_pages+0x34c/0x5c0 [ 55.613038][ T4873] new_slab+0xe0/0x544 [ 55.613708][ T4873] ___slab_alloc+0x6b4/0xd8c [ 55.614569][ T4873] __slab_alloc+0x68/0xc0 [ 55.615275][ T4873] kmem_cache_alloc_trace+0x2b8/0x3ec [ 55.616128][ T4873] rand_initialize_disk+0x58/0xb8 [ 55.616955][ T4873] __alloc_disk_node+0x2a8/0x450 [ 55.617772][ T4873] __blk_mq_alloc_disk+0xe8/0x154 [ 55.618595][ T4873] loop_add+0x240/0x6e0 [ 55.619299][ T4873] loop_control_ioctl+0x130/0x4e0 [ 55.620143][ T4873] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.620967][ T4873] invoke_syscall+0x98/0x2b0 [ 55.621739][ T4873] el0_svc_common+0x138/0x258 [ 55.622529][ T4873] do_el0_svc+0x58/0x13c [ 55.623212][ T4873] el0_svc+0x78/0x1d0 [ 55.623855][ T4873] el0t_64_sync_handler+0xcc/0xe4 [ 55.624716][ T4873] el0t_64_sync+0x1a0/0x1a4 [ 55.635235][ T4875] FAULT_INJECTION: forcing a failure. [ 55.635235][ T4875] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 55.637448][ T4875] CPU: 0 PID: 4875 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.639005][ T4875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.640758][ T4875] Call trace: [ 55.641302][ T4875] dump_backtrace+0x0/0x458 [ 55.642013][ T4875] show_stack+0x2c/0x3c [ 55.642733][ T4875] __dump_stack+0x30/0x40 [ 55.643499][ T4875] dump_stack_lvl+0xf4/0x15c [ 55.644298][ T4875] dump_stack+0x1c/0x5c [ 55.645013][ T4875] should_fail+0x3bc/0x514 [ 55.645720][ T4875] should_fail_alloc_page+0x74/0xa8 [ 55.646584][ T4875] prepare_alloc_pages+0x160/0x45c [ 55.647408][ T4875] __alloc_pages+0x108/0x470 [ 55.648124][ T4875] alloc_pages+0x34c/0x5c0 [ 55.648889][ T4875] new_slab+0xe0/0x544 [ 55.649590][ T4875] ___slab_alloc+0x6b4/0xd8c [ 55.650323][ T4875] __slab_alloc+0x68/0xc0 [ 55.651020][ T4875] kmem_cache_alloc+0x2a4/0x3d4 [ 55.651784][ T4875] bdev_alloc_inode+0x24/0x60 [ 55.652616][ T4875] new_inode_pseudo+0x68/0x1fc [ 55.653400][ T4875] new_inode+0x38/0x174 [ 55.654085][ T4875] bdev_alloc+0x30/0x1f8 [ 55.654772][ T4875] __alloc_disk_node+0xbc/0x450 [ 55.655563][ T4875] __blk_mq_alloc_disk+0xe8/0x154 [ 55.656361][ T4875] loop_add+0x240/0x6e0 [ 55.657010][ T4875] loop_control_ioctl+0x130/0x4e0 [ 55.657806][ T4875] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.658603][ T4875] invoke_syscall+0x98/0x2b0 [ 55.659345][ T4875] el0_svc_common+0x138/0x258 [ 55.660075][ T4875] do_el0_svc+0x58/0x13c [ 55.660737][ T4875] el0_svc+0x78/0x1d0 [ 55.661355][ T4875] el0t_64_sync_handler+0xcc/0xe4 [ 55.662127][ T4875] el0t_64_sync+0x1a0/0x1a4 [ 55.674525][ T4877] FAULT_INJECTION: forcing a failure. [ 55.674525][ T4877] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 55.676768][ T4877] CPU: 0 PID: 4877 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.678189][ T4877] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.679834][ T4877] Call trace: [ 55.680372][ T4877] dump_backtrace+0x0/0x458 [ 55.681145][ T4877] show_stack+0x2c/0x3c [ 55.681820][ T4877] __dump_stack+0x30/0x40 [ 55.682510][ T4877] dump_stack_lvl+0xf4/0x15c [ 55.683261][ T4877] dump_stack+0x1c/0x5c [ 55.683914][ T4877] should_fail+0x3bc/0x514 [ 55.684659][ T4877] should_fail_alloc_page+0x74/0xa8 [ 55.685481][ T4877] prepare_alloc_pages+0x160/0x45c [ 55.686373][ T4877] __alloc_pages+0x108/0x470 [ 55.687126][ T4877] alloc_pages+0x34c/0x5c0 [ 55.687819][ T4877] new_slab+0xe0/0x544 [ 55.688471][ T4877] ___slab_alloc+0x6b4/0xd8c [ 55.689220][ T4877] __slab_alloc+0x68/0xc0 [ 55.689961][ T4877] kmem_cache_alloc+0x2a4/0x3d4 [ 55.690737][ T4877] bdev_alloc_inode+0x24/0x60 [ 55.691479][ T4877] new_inode_pseudo+0x68/0x1fc [ 55.692240][ T4877] new_inode+0x38/0x174 [ 55.692890][ T4877] bdev_alloc+0x30/0x1f8 [ 55.693584][ T4877] __alloc_disk_node+0xbc/0x450 [ 55.694352][ T4877] __blk_mq_alloc_disk+0xe8/0x154 [ 55.695142][ T4877] loop_add+0x240/0x6e0 [ 55.695831][ T4877] loop_control_ioctl+0x130/0x4e0 [ 55.696650][ T4877] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.697410][ T4877] invoke_syscall+0x98/0x2b0 [ 55.698151][ T4877] el0_svc_common+0x138/0x258 [ 55.698877][ T4877] do_el0_svc+0x58/0x13c [ 55.699573][ T4877] el0_svc+0x78/0x1d0 [ 55.700191][ T4877] el0t_64_sync_handler+0xcc/0xe4 [ 55.700981][ T4877] el0t_64_sync+0x1a0/0x1a4 [ 55.713126][ T4879] FAULT_INJECTION: forcing a failure. [ 55.713126][ T4879] name failslab, interval 1, probability 0, space 0, times 0 [ 55.715065][ T4879] CPU: 0 PID: 4879 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.716445][ T4879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.718048][ T4879] Call trace: [ 55.718538][ T4879] dump_backtrace+0x0/0x458 [ 55.719264][ T4879] show_stack+0x2c/0x3c [ 55.719947][ T4879] __dump_stack+0x30/0x40 [ 55.720699][ T4879] dump_stack_lvl+0xf4/0x15c [ 55.721468][ T4879] dump_stack+0x1c/0x5c [ 55.722191][ T4879] should_fail+0x3bc/0x514 [ 55.722919][ T4879] __should_failslab+0xbc/0x10c [ 55.723710][ T4879] should_failslab+0x10/0x28 [ 55.724476][ T4879] slab_pre_alloc_hook+0x64/0xe8 [ 55.725268][ T4879] __kmalloc_node+0xb8/0x508 [ 55.726003][ T4879] memcg_alloc_page_obj_cgroups+0x80/0x170 [ 55.726940][ T4879] new_slab+0x114/0x544 [ 55.727625][ T4879] ___slab_alloc+0x6b4/0xd8c [ 55.728383][ T4879] __slab_alloc+0x68/0xc0 [ 55.729113][ T4879] kmem_cache_alloc+0x2a4/0x3d4 [ 55.729926][ T4879] bdev_alloc_inode+0x24/0x60 [ 55.730711][ T4879] new_inode_pseudo+0x68/0x1fc [ 55.731460][ T4879] new_inode+0x38/0x174 [ 55.732150][ T4879] bdev_alloc+0x30/0x1f8 [ 55.732845][ T4879] __alloc_disk_node+0xbc/0x450 [ 55.733614][ T4879] __blk_mq_alloc_disk+0xe8/0x154 [ 55.734450][ T4879] loop_add+0x240/0x6e0 [ 55.735108][ T4879] loop_control_ioctl+0x130/0x4e0 [ 55.735982][ T4879] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.736772][ T4879] invoke_syscall+0x98/0x2b0 [ 55.737582][ T4879] el0_svc_common+0x138/0x258 [ 55.738363][ T4879] do_el0_svc+0x58/0x13c [ 55.739066][ T4879] el0_svc+0x78/0x1d0 [ 55.739754][ T4879] el0t_64_sync_handler+0xcc/0xe4 [ 55.740596][ T4879] el0t_64_sync+0x1a0/0x1a4 [ 55.753181][ T4881] FAULT_INJECTION: forcing a failure. [ 55.753181][ T4881] name failslab, interval 1, probability 0, space 0, times 0 [ 55.755231][ T4881] CPU: 0 PID: 4881 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.756836][ T4881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.758536][ T4881] Call trace: [ 55.759065][ T4881] dump_backtrace+0x0/0x458 [ 55.759825][ T4881] show_stack+0x2c/0x3c [ 55.760506][ T4881] __dump_stack+0x30/0x40 [ 55.761190][ T4881] dump_stack_lvl+0xf4/0x15c [ 55.761963][ T4881] dump_stack+0x1c/0x5c [ 55.762634][ T4881] should_fail+0x3bc/0x514 [ 55.763360][ T4881] __should_failslab+0xbc/0x10c [ 55.764163][ T4881] should_failslab+0x10/0x28 [ 55.764958][ T4881] slab_pre_alloc_hook+0x64/0xe8 [ 55.765814][ T4881] __kmalloc_track_caller+0x70/0x358 [ 55.766694][ T4881] kstrdup+0xe4/0x15c [ 55.767395][ T4881] kstrdup_const+0x54/0x6c [ 55.768087][ T4881] kvasprintf_const+0x120/0x2e4 [ 55.768874][ T4881] kobject_set_name_vargs+0xd8/0x1c8 [ 55.769754][ T4881] dev_set_name+0xe8/0x13c [ 55.770492][ T4881] device_add_disk+0x258/0xacc [ 55.771240][ T4881] loop_add+0x510/0x6e0 [ 55.771924][ T4881] loop_control_ioctl+0x130/0x4e0 [ 55.772815][ T4881] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.773693][ T4881] invoke_syscall+0x98/0x2b0 [ 55.774453][ T4881] el0_svc_common+0x138/0x258 [ 55.775288][ T4881] do_el0_svc+0x58/0x13c [ 55.776003][ T4881] el0_svc+0x78/0x1d0 [ 55.776619][ T4881] el0t_64_sync_handler+0xcc/0xe4 [ 55.777397][ T4881] el0t_64_sync+0x1a0/0x1a4 [ 55.787066][ T4883] FAULT_INJECTION: forcing a failure. [ 55.787066][ T4883] name failslab, interval 1, probability 0, space 0, times 0 [ 55.789096][ T4883] CPU: 1 PID: 4883 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.790593][ T4883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.792140][ T4883] Call trace: [ 55.792643][ T4883] dump_backtrace+0x0/0x458 [ 55.793445][ T4883] show_stack+0x2c/0x3c [ 55.794111][ T4883] __dump_stack+0x30/0x40 [ 55.794843][ T4883] dump_stack_lvl+0xf4/0x15c [ 55.795607][ T4883] dump_stack+0x1c/0x5c [ 55.796257][ T4883] should_fail+0x3bc/0x514 [ 55.796919][ T4883] __should_failslab+0xbc/0x10c [ 55.797657][ T4883] should_failslab+0x10/0x28 [ 55.798331][ T4883] slab_pre_alloc_hook+0x64/0xe8 [ 55.799152][ T4883] kmem_cache_alloc_trace+0x98/0x3ec [ 55.800044][ T4883] rand_initialize_disk+0x58/0xb8 [ 55.800849][ T4883] __alloc_disk_node+0x2a8/0x450 [ 55.801633][ T4883] __blk_mq_alloc_disk+0xe8/0x154 [ 55.802443][ T4883] loop_add+0x240/0x6e0 [ 55.803090][ T4883] loop_control_ioctl+0x130/0x4e0 [ 55.803917][ T4883] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.804746][ T4883] invoke_syscall+0x98/0x2b0 [ 55.805529][ T4883] el0_svc_common+0x138/0x258 [ 55.806268][ T4883] do_el0_svc+0x58/0x13c [ 55.806938][ T4883] el0_svc+0x78/0x1d0 [ 55.807550][ T4883] el0t_64_sync_handler+0xcc/0xe4 [ 55.808338][ T4883] el0t_64_sync+0x1a0/0x1a4 [ 55.819896][ T4885] FAULT_INJECTION: forcing a failure. [ 55.819896][ T4885] name failslab, interval 1, probability 0, space 0, times 0 [ 55.821911][ T4885] CPU: 0 PID: 4885 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.823365][ T4885] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.824967][ T4885] Call trace: [ 55.825503][ T4885] dump_backtrace+0x0/0x458 [ 55.826220][ T4885] show_stack+0x2c/0x3c [ 55.826925][ T4885] __dump_stack+0x30/0x40 [ 55.827619][ T4885] dump_stack_lvl+0xf4/0x15c [ 55.828354][ T4885] dump_stack+0x1c/0x5c [ 55.829047][ T4885] should_fail+0x3bc/0x514 [ 55.829786][ T4885] __should_failslab+0xbc/0x10c [ 55.830627][ T4885] should_failslab+0x10/0x28 [ 55.831414][ T4885] slab_pre_alloc_hook+0x64/0xe8 [ 55.832240][ T4885] __kmalloc_track_caller+0x70/0x358 [ 55.833098][ T4885] kstrdup+0xe4/0x15c [ 55.833744][ T4885] kstrdup_const+0x54/0x6c [ 55.834476][ T4885] kvasprintf_const+0x120/0x2e4 [ 55.835252][ T4885] kobject_set_name_vargs+0xd8/0x1c8 [ 55.836084][ T4885] dev_set_name+0xe8/0x13c [ 55.836801][ T4885] device_add_disk+0x258/0xacc [ 55.837583][ T4885] loop_add+0x510/0x6e0 [ 55.838254][ T4885] loop_control_ioctl+0x130/0x4e0 [ 55.839103][ T4885] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.839884][ T4885] invoke_syscall+0x98/0x2b0 [ 55.840625][ T4885] el0_svc_common+0x138/0x258 [ 55.841361][ T4885] do_el0_svc+0x58/0x13c [ 55.842009][ T4885] el0_svc+0x78/0x1d0 [ 55.842644][ T4885] el0t_64_sync_handler+0xcc/0xe4 [ 55.843461][ T4885] el0t_64_sync+0x1a0/0x1a4 [ 55.852518][ T4887] FAULT_INJECTION: forcing a failure. [ 55.852518][ T4887] name failslab, interval 1, probability 0, space 0, times 0 [ 55.854554][ T4887] CPU: 1 PID: 4887 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.855930][ T4887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.857443][ T4887] Call trace: [ 55.857930][ T4887] dump_backtrace+0x0/0x458 [ 55.858603][ T4887] show_stack+0x2c/0x3c [ 55.859219][ T4887] __dump_stack+0x30/0x40 [ 55.859888][ T4887] dump_stack_lvl+0xf4/0x15c [ 55.860618][ T4887] dump_stack+0x1c/0x5c [ 55.861252][ T4887] should_fail+0x3bc/0x514 [ 55.861960][ T4887] __should_failslab+0xbc/0x10c [ 55.862772][ T4887] should_failslab+0x10/0x28 [ 55.863496][ T4887] slab_pre_alloc_hook+0x64/0xe8 [ 55.864309][ T4887] __kmalloc_track_caller+0x70/0x358 [ 55.865157][ T4887] kstrdup+0xe4/0x15c [ 55.865794][ T4887] kstrdup_const+0x54/0x6c [ 55.866517][ T4887] kvasprintf_const+0x120/0x2e4 [ 55.867280][ T4887] kobject_set_name_vargs+0xd8/0x1c8 [ 55.868112][ T4887] dev_set_name+0xe8/0x13c [ 55.868826][ T4887] device_add_disk+0x258/0xacc [ 55.869621][ T4887] loop_add+0x510/0x6e0 [ 55.870288][ T4887] loop_control_ioctl+0x130/0x4e0 [ 55.871132][ T4887] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.871961][ T4887] invoke_syscall+0x98/0x2b0 [ 55.872695][ T4887] el0_svc_common+0x138/0x258 [ 55.873482][ T4887] do_el0_svc+0x58/0x13c [ 55.874198][ T4887] el0_svc+0x78/0x1d0 [ 55.874848][ T4887] el0t_64_sync_handler+0xcc/0xe4 [ 55.875689][ T4887] el0t_64_sync+0x1a0/0x1a4 [ 55.884639][ T4889] FAULT_INJECTION: forcing a failure. [ 55.884639][ T4889] name failslab, interval 1, probability 0, space 0, times 0 [ 55.886700][ T4889] CPU: 1 PID: 4889 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.888103][ T4889] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.889624][ T4889] Call trace: [ 55.890131][ T4889] dump_backtrace+0x0/0x458 [ 55.890907][ T4889] show_stack+0x2c/0x3c [ 55.891599][ T4889] __dump_stack+0x30/0x40 [ 55.892311][ T4889] dump_stack_lvl+0xf4/0x15c [ 55.893083][ T4889] dump_stack+0x1c/0x5c [ 55.893785][ T4889] should_fail+0x3bc/0x514 [ 55.894519][ T4889] __should_failslab+0xbc/0x10c [ 55.895312][ T4889] should_failslab+0x10/0x28 [ 55.896077][ T4889] slab_pre_alloc_hook+0x64/0xe8 [ 55.896936][ T4889] kmem_cache_alloc_trace+0x98/0x3ec [ 55.897777][ T4889] rand_initialize_disk+0x58/0xb8 [ 55.898584][ T4889] __alloc_disk_node+0x2a8/0x450 [ 55.899378][ T4889] __blk_mq_alloc_disk+0xe8/0x154 [ 55.900212][ T4889] loop_add+0x240/0x6e0 [ 55.900873][ T4889] loop_control_ioctl+0x130/0x4e0 [ 55.901640][ T4889] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.902419][ T4889] invoke_syscall+0x98/0x2b0 [ 55.903138][ T4889] el0_svc_common+0x138/0x258 [ 55.903925][ T4889] do_el0_svc+0x58/0x13c [ 55.904618][ T4889] el0_svc+0x78/0x1d0 [ 55.905280][ T4889] el0t_64_sync_handler+0xcc/0xe4 [ 55.906130][ T4889] el0t_64_sync+0x1a0/0x1a4 [ 55.918456][ T4891] FAULT_INJECTION: forcing a failure. [ 55.918456][ T4891] name failslab, interval 1, probability 0, space 0, times 0 [ 55.920565][ T4891] CPU: 0 PID: 4891 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.922019][ T4891] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.923605][ T4891] Call trace: [ 55.924134][ T4891] dump_backtrace+0x0/0x458 [ 55.924862][ T4891] show_stack+0x2c/0x3c [ 55.925579][ T4891] __dump_stack+0x30/0x40 [ 55.926283][ T4891] dump_stack_lvl+0xf4/0x15c [ 55.926982][ T4891] dump_stack+0x1c/0x5c [ 55.927670][ T4891] should_fail+0x3bc/0x514 [ 55.928347][ T4891] __should_failslab+0xbc/0x10c [ 55.929100][ T4891] should_failslab+0x10/0x28 [ 55.929803][ T4891] slab_pre_alloc_hook+0x64/0xe8 [ 55.930621][ T4891] kmem_cache_alloc+0x94/0x3d4 [ 55.931404][ T4891] security_inode_alloc+0x38/0x11c [ 55.932219][ T4891] inode_init_always+0x670/0xa84 [ 55.933019][ T4891] new_inode_pseudo+0x7c/0x1fc [ 55.933819][ T4891] new_inode+0x38/0x174 [ 55.934475][ T4891] bdev_alloc+0x30/0x1f8 [ 55.935179][ T4891] __alloc_disk_node+0xbc/0x450 [ 55.935923][ T4891] __blk_mq_alloc_disk+0xe8/0x154 [ 55.936761][ T4891] loop_add+0x240/0x6e0 [ 55.937446][ T4891] loop_control_ioctl+0x130/0x4e0 [ 55.938274][ T4891] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.939075][ T4891] invoke_syscall+0x98/0x2b0 [ 55.939848][ T4891] el0_svc_common+0x138/0x258 [ 55.940613][ T4891] do_el0_svc+0x58/0x13c [ 55.941310][ T4891] el0_svc+0x78/0x1d0 [ 55.942005][ T4891] el0t_64_sync_handler+0xcc/0xe4 [ 55.942845][ T4891] el0t_64_sync+0x1a0/0x1a4 [ 55.953005][ T4893] FAULT_INJECTION: forcing a failure. [ 55.953005][ T4893] name failslab, interval 1, probability 0, space 0, times 0 [ 55.955069][ T4893] CPU: 1 PID: 4893 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.956492][ T4893] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.957976][ T4893] Call trace: [ 55.958538][ T4893] dump_backtrace+0x0/0x458 [ 55.959276][ T4893] show_stack+0x2c/0x3c [ 55.959922][ T4893] __dump_stack+0x30/0x40 [ 55.960603][ T4893] dump_stack_lvl+0xf4/0x15c [ 55.961395][ T4893] dump_stack+0x1c/0x5c [ 55.962049][ T4893] should_fail+0x3bc/0x514 [ 55.962765][ T4893] __should_failslab+0xbc/0x10c [ 55.963581][ T4893] should_failslab+0x10/0x28 [ 55.964284][ T4893] slab_pre_alloc_hook+0x64/0xe8 [ 55.965116][ T4893] __kmalloc_track_caller+0x70/0x358 [ 55.965922][ T4893] kstrdup+0xe4/0x15c [ 55.966550][ T4893] kstrdup_const+0x54/0x6c [ 55.967263][ T4893] kvasprintf_const+0x120/0x2e4 [ 55.967990][ T4893] kobject_set_name_vargs+0xd8/0x1c8 [ 55.968789][ T4893] dev_set_name+0xe8/0x13c [ 55.969472][ T4893] device_add_disk+0x258/0xacc [ 55.970170][ T4893] loop_add+0x510/0x6e0 [ 55.970817][ T4893] loop_control_ioctl+0x130/0x4e0 [ 55.971607][ T4893] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.972393][ T4893] invoke_syscall+0x98/0x2b0 [ 55.973145][ T4893] el0_svc_common+0x138/0x258 [ 55.973892][ T4893] do_el0_svc+0x58/0x13c [ 55.974589][ T4893] el0_svc+0x78/0x1d0 [ 55.975222][ T4893] el0t_64_sync_handler+0xcc/0xe4 [ 55.975998][ T4893] el0t_64_sync+0x1a0/0x1a4 [ 55.985231][ T4895] FAULT_INJECTION: forcing a failure. [ 55.985231][ T4895] name failslab, interval 1, probability 0, space 0, times 0 [ 55.987271][ T4895] CPU: 1 PID: 4895 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.988648][ T4895] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 55.990109][ T4895] Call trace: [ 55.990579][ T4895] dump_backtrace+0x0/0x458 [ 55.991216][ T4895] show_stack+0x2c/0x3c [ 55.991823][ T4895] __dump_stack+0x30/0x40 [ 55.992526][ T4895] dump_stack_lvl+0xf4/0x15c [ 55.993199][ T4895] dump_stack+0x1c/0x5c [ 55.993804][ T4895] should_fail+0x3bc/0x514 [ 55.994462][ T4895] __should_failslab+0xbc/0x10c [ 55.995228][ T4895] should_failslab+0x10/0x28 [ 55.995863][ T4895] slab_pre_alloc_hook+0x64/0xe8 [ 55.996615][ T4895] kmem_cache_alloc_trace+0x98/0x3ec [ 55.997375][ T4895] rand_initialize_disk+0x58/0xb8 [ 55.998186][ T4895] __alloc_disk_node+0x2a8/0x450 [ 55.998954][ T4895] __blk_mq_alloc_disk+0xe8/0x154 [ 55.999761][ T4895] loop_add+0x240/0x6e0 [ 56.000332][ T4895] loop_control_ioctl+0x130/0x4e0 [ 56.001066][ T4895] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.001811][ T4895] invoke_syscall+0x98/0x2b0 [ 56.002576][ T4895] el0_svc_common+0x138/0x258 [ 56.003307][ T4895] do_el0_svc+0x58/0x13c [ 56.004010][ T4895] el0_svc+0x78/0x1d0 [ 56.004629][ T4895] el0t_64_sync_handler+0xcc/0xe4 [ 56.005408][ T4895] el0t_64_sync+0x1a0/0x1a4 [ 56.017780][ T4897] FAULT_INJECTION: forcing a failure. [ 56.017780][ T4897] name failslab, interval 1, probability 0, space 0, times 0 [ 56.020099][ T4897] CPU: 0 PID: 4897 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.021511][ T4897] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.023053][ T4897] Call trace: [ 56.023611][ T4897] dump_backtrace+0x0/0x458 [ 56.024361][ T4897] show_stack+0x2c/0x3c [ 56.025030][ T4897] __dump_stack+0x30/0x40 [ 56.025723][ T4897] dump_stack_lvl+0xf4/0x15c [ 56.026477][ T4897] dump_stack+0x1c/0x5c [ 56.027184][ T4897] should_fail+0x3bc/0x514 [ 56.027915][ T4897] __should_failslab+0xbc/0x10c [ 56.028726][ T4897] should_failslab+0x10/0x28 [ 56.029448][ T4897] slab_pre_alloc_hook+0x64/0xe8 [ 56.030225][ T4897] kmem_cache_alloc_trace+0x98/0x3ec [ 56.031069][ T4897] device_add+0xbc/0xf90 [ 56.031760][ T4897] device_add_disk+0x2d0/0xacc [ 56.032524][ T4897] loop_add+0x510/0x6e0 [ 56.033222][ T4897] loop_control_ioctl+0x130/0x4e0 [ 56.034014][ T4897] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.034846][ T4897] invoke_syscall+0x98/0x2b0 [ 56.035606][ T4897] el0_svc_common+0x138/0x258 [ 56.036366][ T4897] do_el0_svc+0x58/0x13c [ 56.037082][ T4897] el0_svc+0x78/0x1d0 [ 56.037694][ T4897] el0t_64_sync_handler+0xcc/0xe4 [ 56.038513][ T4897] el0t_64_sync+0x1a0/0x1a4 [ 56.047364][ T4899] FAULT_INJECTION: forcing a failure. [ 56.047364][ T4899] name failslab, interval 1, probability 0, space 0, times 0 [ 56.049588][ T4899] CPU: 1 PID: 4899 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.051056][ T4899] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.052742][ T4899] Call trace: [ 56.053299][ T4899] dump_backtrace+0x0/0x458 [ 56.054006][ T4899] show_stack+0x2c/0x3c [ 56.054661][ T4899] __dump_stack+0x30/0x40 [ 56.055363][ T4899] dump_stack_lvl+0xf4/0x15c [ 56.056082][ T4899] dump_stack+0x1c/0x5c [ 56.056751][ T4899] should_fail+0x3bc/0x514 [ 56.057470][ T4899] __should_failslab+0xbc/0x10c [ 56.058299][ T4899] should_failslab+0x10/0x28 [ 56.059099][ T4899] slab_pre_alloc_hook+0x64/0xe8 [ 56.059893][ T4899] kmem_cache_alloc_trace+0x98/0x3ec [ 56.060682][ T4899] rand_initialize_disk+0x58/0xb8 [ 56.061528][ T4899] __alloc_disk_node+0x2a8/0x450 [ 56.062307][ T4899] __blk_mq_alloc_disk+0xe8/0x154 [ 56.063075][ T4899] loop_add+0x240/0x6e0 [ 56.063729][ T4899] loop_control_ioctl+0x130/0x4e0 [ 56.064589][ T4899] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.065419][ T4899] invoke_syscall+0x98/0x2b0 [ 56.066189][ T4899] el0_svc_common+0x138/0x258 [ 56.067009][ T4899] do_el0_svc+0x58/0x13c [ 56.067689][ T4899] el0_svc+0x78/0x1d0 [ 56.068299][ T4899] el0t_64_sync_handler+0xcc/0xe4 [ 56.069090][ T4899] el0t_64_sync+0x1a0/0x1a4 [ 56.081025][ T4901] FAULT_INJECTION: forcing a failure. [ 56.081025][ T4901] name failslab, interval 1, probability 0, space 0, times 0 [ 56.083137][ T4901] CPU: 0 PID: 4901 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.084725][ T4901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.086390][ T4901] Call trace: [ 56.086948][ T4901] dump_backtrace+0x0/0x458 [ 56.087704][ T4901] show_stack+0x2c/0x3c [ 56.088395][ T4901] __dump_stack+0x30/0x40 [ 56.089143][ T4901] dump_stack_lvl+0xf4/0x15c [ 56.089929][ T4901] dump_stack+0x1c/0x5c [ 56.090634][ T4901] should_fail+0x3bc/0x514 [ 56.091402][ T4901] __should_failslab+0xbc/0x10c [ 56.092181][ T4901] should_failslab+0x10/0x28 [ 56.092893][ T4901] slab_pre_alloc_hook+0x64/0xe8 [ 56.093640][ T4901] __kmalloc_track_caller+0x70/0x358 [ 56.094537][ T4901] kstrdup+0xe4/0x15c [ 56.095169][ T4901] kstrdup_const+0x54/0x6c [ 56.095854][ T4901] kvasprintf_const+0x120/0x2e4 [ 56.096640][ T4901] kobject_set_name_vargs+0xd8/0x1c8 [ 56.097540][ T4901] dev_set_name+0xe8/0x13c [ 56.098266][ T4901] device_add_disk+0x258/0xacc [ 56.099055][ T4901] loop_add+0x510/0x6e0 [ 56.099700][ T4901] loop_control_ioctl+0x130/0x4e0 [ 56.100490][ T4901] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.101297][ T4901] invoke_syscall+0x98/0x2b0 [ 56.101995][ T4901] el0_svc_common+0x138/0x258 [ 56.102761][ T4901] do_el0_svc+0x58/0x13c [ 56.103479][ T4901] el0_svc+0x78/0x1d0 [ 56.104074][ T4901] el0t_64_sync_handler+0xcc/0xe4 [ 56.104809][ T4901] el0t_64_sync+0x1a0/0x1a4 [ 56.115200][ T4903] FAULT_INJECTION: forcing a failure. [ 56.115200][ T4903] name failslab, interval 1, probability 0, space 0, times 0 [ 56.117269][ T4903] CPU: 1 PID: 4903 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.118724][ T4903] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.120218][ T4903] Call trace: [ 56.120744][ T4903] dump_backtrace+0x0/0x458 [ 56.121456][ T4903] show_stack+0x2c/0x3c [ 56.122092][ T4903] __dump_stack+0x30/0x40 [ 56.122811][ T4903] dump_stack_lvl+0xf4/0x15c [ 56.123521][ T4903] dump_stack+0x1c/0x5c [ 56.124196][ T4903] should_fail+0x3bc/0x514 [ 56.124908][ T4903] __should_failslab+0xbc/0x10c [ 56.125724][ T4903] should_failslab+0x10/0x28 [ 56.126516][ T4903] slab_pre_alloc_hook+0x64/0xe8 [ 56.127313][ T4903] __kmalloc_track_caller+0x70/0x358 [ 56.128193][ T4903] kstrdup+0xe4/0x15c [ 56.128841][ T4903] kstrdup_const+0x54/0x6c [ 56.129587][ T4903] kvasprintf_const+0x120/0x2e4 [ 56.130393][ T4903] kobject_set_name_vargs+0xd8/0x1c8 [ 56.131218][ T4903] dev_set_name+0xe8/0x13c [ 56.131935][ T4903] device_add_disk+0x258/0xacc [ 56.132725][ T4903] loop_add+0x510/0x6e0 [ 56.133409][ T4903] loop_control_ioctl+0x130/0x4e0 [ 56.134196][ T4903] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.134967][ T4903] invoke_syscall+0x98/0x2b0 [ 56.135670][ T4903] el0_svc_common+0x138/0x258 [ 56.136398][ T4903] do_el0_svc+0x58/0x13c [ 56.137049][ T4903] el0_svc+0x78/0x1d0 [ 56.137691][ T4903] el0t_64_sync_handler+0xcc/0xe4 [ 56.138519][ T4903] el0t_64_sync+0x1a0/0x1a4 [ 56.146605][ T4905] FAULT_INJECTION: forcing a failure. [ 56.146605][ T4905] name failslab, interval 1, probability 0, space 0, times 0 [ 56.148587][ T4905] CPU: 0 PID: 4905 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.150099][ T4905] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.151703][ T4905] Call trace: [ 56.152271][ T4905] dump_backtrace+0x0/0x458 [ 56.153002][ T4905] show_stack+0x2c/0x3c [ 56.153706][ T4905] __dump_stack+0x30/0x40 [ 56.154410][ T4905] dump_stack_lvl+0xf4/0x15c [ 56.155160][ T4905] dump_stack+0x1c/0x5c [ 56.155796][ T4905] should_fail+0x3bc/0x514 [ 56.156539][ T4905] __should_failslab+0xbc/0x10c [ 56.157325][ T4905] should_failslab+0x10/0x28 [ 56.158062][ T4905] slab_pre_alloc_hook+0x64/0xe8 [ 56.158881][ T4905] kmem_cache_alloc_trace+0x98/0x3ec [ 56.159780][ T4905] rand_initialize_disk+0x58/0xb8 [ 56.160621][ T4905] __alloc_disk_node+0x2a8/0x450 [ 56.161417][ T4905] __blk_mq_alloc_disk+0xe8/0x154 [ 56.162255][ T4905] loop_add+0x240/0x6e0 [ 56.162917][ T4905] loop_control_ioctl+0x130/0x4e0 [ 56.163755][ T4905] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.164565][ T4905] invoke_syscall+0x98/0x2b0 [ 56.165306][ T4905] el0_svc_common+0x138/0x258 [ 56.166108][ T4905] do_el0_svc+0x58/0x13c [ 56.166819][ T4905] el0_svc+0x78/0x1d0 [ 56.167493][ T4905] el0t_64_sync_handler+0xcc/0xe4 [ 56.168276][ T4905] el0t_64_sync+0x1a0/0x1a4 [ 56.180005][ T4907] FAULT_INJECTION: forcing a failure. [ 56.180005][ T4907] name failslab, interval 1, probability 0, space 0, times 0 [ 56.182010][ T4907] CPU: 0 PID: 4907 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.183382][ T4907] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.184980][ T4907] Call trace: [ 56.185487][ T4907] dump_backtrace+0x0/0x458 [ 56.186276][ T4907] show_stack+0x2c/0x3c [ 56.186930][ T4907] __dump_stack+0x30/0x40 [ 56.187630][ T4907] dump_stack_lvl+0xf4/0x15c [ 56.188357][ T4907] dump_stack+0x1c/0x5c [ 56.189033][ T4907] should_fail+0x3bc/0x514 [ 56.189766][ T4907] __should_failslab+0xbc/0x10c [ 56.190551][ T4907] should_failslab+0x10/0x28 [ 56.191373][ T4907] slab_pre_alloc_hook+0x64/0xe8 [ 56.192183][ T4907] __kmalloc_track_caller+0x70/0x358 [ 56.193004][ T4907] kstrdup+0xe4/0x15c [ 56.193627][ T4907] kstrdup_const+0x54/0x6c [ 56.194374][ T4907] kvasprintf_const+0x120/0x2e4 [ 56.195189][ T4907] kobject_set_name_vargs+0xd8/0x1c8 [ 56.196054][ T4907] dev_set_name+0xe8/0x13c [ 56.196776][ T4907] device_add_disk+0x258/0xacc [ 56.197540][ T4907] loop_add+0x510/0x6e0 [ 56.198238][ T4907] loop_control_ioctl+0x130/0x4e0 [ 56.199099][ T4907] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.199914][ T4907] invoke_syscall+0x98/0x2b0 [ 56.200675][ T4907] el0_svc_common+0x138/0x258 [ 56.201424][ T4907] do_el0_svc+0x58/0x13c [ 56.202144][ T4907] el0_svc+0x78/0x1d0 [ 56.202795][ T4907] el0t_64_sync_handler+0xcc/0xe4 [ 56.203619][ T4907] el0t_64_sync+0x1a0/0x1a4 [ 56.213686][ T4909] FAULT_INJECTION: forcing a failure. [ 56.213686][ T4909] name failslab, interval 1, probability 0, space 0, times 0 [ 56.215723][ T4909] CPU: 1 PID: 4909 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.217118][ T4909] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.218642][ T4909] Call trace: [ 56.219173][ T4909] dump_backtrace+0x0/0x458 [ 56.219981][ T4909] show_stack+0x2c/0x3c [ 56.220632][ T4909] __dump_stack+0x30/0x40 [ 56.221325][ T4909] dump_stack_lvl+0xf4/0x15c [ 56.222052][ T4909] dump_stack+0x1c/0x5c [ 56.222739][ T4909] should_fail+0x3bc/0x514 [ 56.223417][ T4909] __should_failslab+0xbc/0x10c [ 56.224256][ T4909] should_failslab+0x10/0x28 [ 56.224995][ T4909] slab_pre_alloc_hook+0x64/0xe8 [ 56.225832][ T4909] __kmalloc_track_caller+0x70/0x358 [ 56.226658][ T4909] kstrdup+0xe4/0x15c [ 56.227296][ T4909] kstrdup_const+0x54/0x6c [ 56.228001][ T4909] kvasprintf_const+0x120/0x2e4 [ 56.228790][ T4909] kobject_set_name_vargs+0xd8/0x1c8 [ 56.229624][ T4909] dev_set_name+0xe8/0x13c [ 56.230310][ T4909] device_add_disk+0x258/0xacc [ 56.231077][ T4909] loop_add+0x510/0x6e0 [ 56.231783][ T4909] loop_control_ioctl+0x130/0x4e0 [ 56.232607][ T4909] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.233402][ T4909] invoke_syscall+0x98/0x2b0 [ 56.234147][ T4909] el0_svc_common+0x138/0x258 [ 56.234889][ T4909] do_el0_svc+0x58/0x13c [ 56.235522][ T4909] el0_svc+0x78/0x1d0 [ 56.236179][ T4909] el0t_64_sync_handler+0xcc/0xe4 [ 56.236958][ T4909] el0t_64_sync+0x1a0/0x1a4 [ 56.247151][ T4911] FAULT_INJECTION: forcing a failure. [ 56.247151][ T4911] name failslab, interval 1, probability 0, space 0, times 0 [ 56.249339][ T4911] CPU: 1 PID: 4911 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.250725][ T4911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.252354][ T4911] Call trace: [ 56.252864][ T4911] dump_backtrace+0x0/0x458 [ 56.253565][ T4911] show_stack+0x2c/0x3c [ 56.254249][ T4911] __dump_stack+0x30/0x40 [ 56.254947][ T4911] dump_stack_lvl+0xf4/0x15c [ 56.255634][ T4911] dump_stack+0x1c/0x5c [ 56.256296][ T4911] should_fail+0x3bc/0x514 [ 56.257019][ T4911] __should_failslab+0xbc/0x10c [ 56.257801][ T4911] should_failslab+0x10/0x28 [ 56.258482][ T4911] slab_pre_alloc_hook+0x64/0xe8 [ 56.259275][ T4911] kmem_cache_alloc_trace+0x98/0x3ec [ 56.260123][ T4911] device_add+0xbc/0xf90 [ 56.260808][ T4911] device_add_disk+0x2d0/0xacc [ 56.261560][ T4911] loop_add+0x510/0x6e0 [ 56.262207][ T4911] loop_control_ioctl+0x130/0x4e0 [ 56.262983][ T4911] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.263802][ T4911] invoke_syscall+0x98/0x2b0 [ 56.264556][ T4911] el0_svc_common+0x138/0x258 [ 56.265317][ T4911] do_el0_svc+0x58/0x13c [ 56.265990][ T4911] el0_svc+0x78/0x1d0 [ 56.266635][ T4911] el0t_64_sync_handler+0xcc/0xe4 [ 56.267453][ T4911] el0t_64_sync+0x1a0/0x1a4 [ 56.276500][ T4913] FAULT_INJECTION: forcing a failure. [ 56.276500][ T4913] name failslab, interval 1, probability 0, space 0, times 0 [ 56.278393][ T4913] CPU: 1 PID: 4913 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.279800][ T4913] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.281409][ T4913] Call trace: [ 56.281912][ T4913] dump_backtrace+0x0/0x458 [ 56.282656][ T4913] show_stack+0x2c/0x3c [ 56.283332][ T4913] __dump_stack+0x30/0x40 [ 56.284068][ T4913] dump_stack_lvl+0xf4/0x15c [ 56.284771][ T4913] dump_stack+0x1c/0x5c [ 56.285458][ T4913] should_fail+0x3bc/0x514 [ 56.286156][ T4913] __should_failslab+0xbc/0x10c [ 56.286889][ T4913] should_failslab+0x10/0x28 [ 56.287595][ T4913] slab_pre_alloc_hook+0x64/0xe8 [ 56.288333][ T4913] __kmalloc_track_caller+0x70/0x358 [ 56.289190][ T4913] kstrdup+0xe4/0x15c [ 56.289861][ T4913] kstrdup_const+0x54/0x6c [ 56.290565][ T4913] kvasprintf_const+0x120/0x2e4 [ 56.291326][ T4913] kobject_set_name_vargs+0xd8/0x1c8 [ 56.292174][ T4913] dev_set_name+0xe8/0x13c [ 56.292909][ T4913] device_add_disk+0x258/0xacc [ 56.293646][ T4913] loop_add+0x510/0x6e0 [ 56.294335][ T4913] loop_control_ioctl+0x130/0x4e0 [ 56.295166][ T4913] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.295976][ T4913] invoke_syscall+0x98/0x2b0 [ 56.296691][ T4913] el0_svc_common+0x138/0x258 [ 56.297435][ T4913] do_el0_svc+0x58/0x13c [ 56.298112][ T4913] el0_svc+0x78/0x1d0 [ 56.298741][ T4913] el0t_64_sync_handler+0xcc/0xe4 [ 56.299514][ T4913] el0t_64_sync+0x1a0/0x1a4 [ 56.308625][ T4915] FAULT_INJECTION: forcing a failure. [ 56.308625][ T4915] name failslab, interval 1, probability 0, space 0, times 0 [ 56.311317][ T4915] CPU: 0 PID: 4915 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.312762][ T4915] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.314328][ T4915] Call trace: [ 56.314843][ T4915] dump_backtrace+0x0/0x458 [ 56.315583][ T4915] show_stack+0x2c/0x3c [ 56.316282][ T4915] __dump_stack+0x30/0x40 [ 56.316997][ T4915] dump_stack_lvl+0xf4/0x15c [ 56.317746][ T4915] dump_stack+0x1c/0x5c [ 56.318379][ T4915] should_fail+0x3bc/0x514 [ 56.319056][ T4915] __should_failslab+0xbc/0x10c [ 56.319855][ T4915] should_failslab+0x10/0x28 [ 56.320619][ T4915] slab_pre_alloc_hook+0x64/0xe8 [ 56.321440][ T4915] kmem_cache_alloc_trace+0x98/0x3ec [ 56.322285][ T4915] device_add+0xbc/0xf90 [ 56.322974][ T4915] device_add_disk+0x2d0/0xacc [ 56.323777][ T4915] loop_add+0x510/0x6e0 [ 56.324483][ T4915] loop_control_ioctl+0x130/0x4e0 [ 56.325321][ T4915] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.326169][ T4915] invoke_syscall+0x98/0x2b0 [ 56.326947][ T4915] el0_svc_common+0x138/0x258 [ 56.327741][ T4915] do_el0_svc+0x58/0x13c [ 56.328437][ T4915] el0_svc+0x78/0x1d0 [ 56.329053][ T4915] el0t_64_sync_handler+0xcc/0xe4 [ 56.329925][ T4915] el0t_64_sync+0x1a0/0x1a4 [ 56.341175][ T4917] FAULT_INJECTION: forcing a failure. [ 56.341175][ T4917] name failslab, interval 1, probability 0, space 0, times 0 [ 56.343277][ T4917] CPU: 1 PID: 4917 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.344716][ T4917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.346355][ T4917] Call trace: [ 56.346879][ T4917] dump_backtrace+0x0/0x458 [ 56.347589][ T4917] show_stack+0x2c/0x3c [ 56.348196][ T4917] __dump_stack+0x30/0x40 [ 56.348923][ T4917] dump_stack_lvl+0xf4/0x15c [ 56.349653][ T4917] dump_stack+0x1c/0x5c [ 56.350347][ T4917] should_fail+0x3bc/0x514 [ 56.351050][ T4917] __should_failslab+0xbc/0x10c [ 56.351813][ T4917] should_failslab+0x10/0x28 [ 56.352520][ T4917] slab_pre_alloc_hook+0x64/0xe8 [ 56.353402][ T4917] kmem_cache_alloc_trace+0x98/0x3ec [ 56.354241][ T4917] device_add+0xbc/0xf90 [ 56.354899][ T4917] device_add_disk+0x2d0/0xacc [ 56.355668][ T4917] loop_add+0x510/0x6e0 [ 56.356292][ T4917] loop_control_ioctl+0x130/0x4e0 [ 56.357072][ T4917] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.357848][ T4917] invoke_syscall+0x98/0x2b0 [ 56.358544][ T4917] el0_svc_common+0x138/0x258 [ 56.359248][ T4917] do_el0_svc+0x58/0x13c [ 56.359933][ T4917] el0_svc+0x78/0x1d0 [ 56.360602][ T4917] el0t_64_sync_handler+0xcc/0xe4 [ 56.361336][ T4917] el0t_64_sync+0x1a0/0x1a4 [ 56.370099][ T4919] FAULT_INJECTION: forcing a failure. [ 56.370099][ T4919] name failslab, interval 1, probability 0, space 0, times 0 [ 56.372164][ T4919] CPU: 1 PID: 4919 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.373534][ T4919] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.375196][ T4919] Call trace: [ 56.375714][ T4919] dump_backtrace+0x0/0x458 [ 56.376418][ T4919] show_stack+0x2c/0x3c [ 56.377097][ T4919] __dump_stack+0x30/0x40 [ 56.377768][ T4919] dump_stack_lvl+0xf4/0x15c [ 56.378471][ T4919] dump_stack+0x1c/0x5c [ 56.379180][ T4919] should_fail+0x3bc/0x514 [ 56.379894][ T4919] __should_failslab+0xbc/0x10c [ 56.380693][ T4919] should_failslab+0x10/0x28 [ 56.381404][ T4919] slab_pre_alloc_hook+0x64/0xe8 [ 56.382236][ T4919] kmem_cache_alloc_trace+0x98/0x3ec [ 56.383109][ T4919] rand_initialize_disk+0x58/0xb8 [ 56.383926][ T4919] __alloc_disk_node+0x2a8/0x450 [ 56.384706][ T4919] __blk_mq_alloc_disk+0xe8/0x154 [ 56.385521][ T4919] loop_add+0x240/0x6e0 [ 56.386196][ T4919] loop_control_ioctl+0x130/0x4e0 [ 56.387006][ T4919] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.387823][ T4919] invoke_syscall+0x98/0x2b0 [ 56.388591][ T4919] el0_svc_common+0x138/0x258 [ 56.389344][ T4919] do_el0_svc+0x58/0x13c [ 56.390050][ T4919] el0_svc+0x78/0x1d0 [ 56.390701][ T4919] el0t_64_sync_handler+0xcc/0xe4 [ 56.391522][ T4919] el0t_64_sync+0x1a0/0x1a4 [ 56.399930][ T4052] Bluetooth: hci0: command 0x0419 tx timeout [ 56.403121][ T4921] FAULT_INJECTION: forcing a failure. [ 56.403121][ T4921] name failslab, interval 1, probability 0, space 0, times 0 [ 56.405164][ T4921] CPU: 0 PID: 4921 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.406663][ T4921] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.408284][ T4921] Call trace: [ 56.408769][ T4921] dump_backtrace+0x0/0x458 [ 56.409497][ T4921] show_stack+0x2c/0x3c [ 56.410170][ T4921] __dump_stack+0x30/0x40 [ 56.410907][ T4921] dump_stack_lvl+0xf4/0x15c [ 56.411674][ T4921] dump_stack+0x1c/0x5c [ 56.412355][ T4921] should_fail+0x3bc/0x514 [ 56.413068][ T4921] __should_failslab+0xbc/0x10c [ 56.413877][ T4921] should_failslab+0x10/0x28 [ 56.414597][ T4921] slab_pre_alloc_hook+0x64/0xe8 [ 56.415411][ T4921] __kmalloc_track_caller+0x70/0x358 [ 56.416295][ T4921] kstrdup+0xe4/0x15c [ 56.416928][ T4921] kstrdup_const+0x54/0x6c [ 56.417699][ T4921] kvasprintf_const+0x120/0x2e4 [ 56.418545][ T4921] kobject_set_name_vargs+0xd8/0x1c8 [ 56.419426][ T4921] dev_set_name+0xe8/0x13c [ 56.420197][ T4921] device_add_disk+0x258/0xacc [ 56.420983][ T4921] loop_add+0x510/0x6e0 [ 56.421649][ T4921] loop_control_ioctl+0x130/0x4e0 [ 56.422463][ T4921] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.423296][ T4921] invoke_syscall+0x98/0x2b0 [ 56.424029][ T4921] el0_svc_common+0x138/0x258 [ 56.424795][ T4921] do_el0_svc+0x58/0x13c [ 56.425467][ T4921] el0_svc+0x78/0x1d0 [ 56.426127][ T4921] el0t_64_sync_handler+0xcc/0xe4 [ 56.426987][ T4921] el0t_64_sync+0x1a0/0x1a4 [ 56.437214][ T4923] FAULT_INJECTION: forcing a failure. [ 56.437214][ T4923] name failslab, interval 1, probability 0, space 0, times 0 [ 56.439335][ T4923] CPU: 1 PID: 4923 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.440800][ T4923] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.442418][ T4923] Call trace: [ 56.442936][ T4923] dump_backtrace+0x0/0x458 [ 56.443671][ T4923] show_stack+0x2c/0x3c [ 56.444334][ T4923] __dump_stack+0x30/0x40 [ 56.445029][ T4923] dump_stack_lvl+0xf4/0x15c [ 56.445752][ T4923] dump_stack+0x1c/0x5c [ 56.446402][ T4923] should_fail+0x3bc/0x514 [ 56.447070][ T4923] __should_failslab+0xbc/0x10c [ 56.447877][ T4923] should_failslab+0x10/0x28 [ 56.448608][ T4923] slab_pre_alloc_hook+0x64/0xe8 [ 56.449439][ T4923] __kmalloc_node+0xb8/0x508 [ 56.450208][ T4923] memcg_alloc_page_obj_cgroups+0x80/0x170 [ 56.451114][ T4923] new_slab+0x114/0x544 [ 56.451811][ T4923] ___slab_alloc+0x6b4/0xd8c [ 56.452531][ T4923] __slab_alloc+0x68/0xc0 [ 56.453250][ T4923] kmem_cache_alloc+0x2a4/0x3d4 [ 56.454038][ T4923] bdev_alloc_inode+0x24/0x60 [ 56.454747][ T4923] new_inode_pseudo+0x68/0x1fc [ 56.455520][ T4923] new_inode+0x38/0x174 [ 56.456162][ T4923] bdev_alloc+0x30/0x1f8 [ 56.456847][ T4923] __alloc_disk_node+0xbc/0x450 [ 56.457622][ T4923] __blk_mq_alloc_disk+0xe8/0x154 [ 56.458420][ T4923] loop_add+0x240/0x6e0 [ 56.459073][ T4923] loop_control_ioctl+0x130/0x4e0 [ 56.459866][ T4923] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.460665][ T4923] invoke_syscall+0x98/0x2b0 [ 56.461478][ T4923] el0_svc_common+0x138/0x258 [ 56.462304][ T4923] do_el0_svc+0x58/0x13c [ 56.462939][ T4923] el0_svc+0x78/0x1d0 [ 56.463628][ T4923] el0t_64_sync_handler+0xcc/0xe4 [ 56.464442][ T4923] el0t_64_sync+0x1a0/0x1a4 [ 56.477268][ T4925] FAULT_INJECTION: forcing a failure. [ 56.477268][ T4925] name failslab, interval 1, probability 0, space 0, times 0 [ 56.479976][ T4925] CPU: 0 PID: 4925 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.481435][ T4925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.483100][ T4925] Call trace: [ 56.483588][ T4925] dump_backtrace+0x0/0x458 [ 56.484295][ T4925] show_stack+0x2c/0x3c [ 56.485020][ T4925] __dump_stack+0x30/0x40 [ 56.485687][ T4925] dump_stack_lvl+0xf4/0x15c [ 56.486372][ T4925] dump_stack+0x1c/0x5c [ 56.487080][ T4925] should_fail+0x3bc/0x514 [ 56.487803][ T4925] __should_failslab+0xbc/0x10c [ 56.488605][ T4925] should_failslab+0x10/0x28 [ 56.489368][ T4925] slab_pre_alloc_hook+0x64/0xe8 [ 56.490219][ T4925] kmem_cache_alloc+0x94/0x3d4 [ 56.491027][ T4925] security_inode_alloc+0x38/0x11c [ 56.491881][ T4925] inode_init_always+0x670/0xa84 [ 56.492716][ T4925] new_inode_pseudo+0x7c/0x1fc [ 56.493533][ T4925] new_inode+0x38/0x174 [ 56.494239][ T4925] bdev_alloc+0x30/0x1f8 [ 56.494922][ T4925] __alloc_disk_node+0xbc/0x450 [ 56.495736][ T4925] __blk_mq_alloc_disk+0xe8/0x154 [ 56.496574][ T4925] loop_add+0x240/0x6e0 [ 56.497250][ T4925] loop_control_ioctl+0x130/0x4e0 [ 56.498056][ T4925] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.498889][ T4925] invoke_syscall+0x98/0x2b0 [ 56.499692][ T4925] el0_svc_common+0x138/0x258 [ 56.500468][ T4925] do_el0_svc+0x58/0x13c [ 56.501150][ T4925] el0_svc+0x78/0x1d0 [ 56.501780][ T4925] el0t_64_sync_handler+0xcc/0xe4 [ 56.502574][ T4925] el0t_64_sync+0x1a0/0x1a4 [ 56.512258][ T4927] FAULT_INJECTION: forcing a failure. [ 56.512258][ T4927] name failslab, interval 1, probability 0, space 0, times 0 [ 56.514402][ T4927] CPU: 1 PID: 4927 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.515833][ T4927] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.517395][ T4927] Call trace: [ 56.517936][ T4927] dump_backtrace+0x0/0x458 [ 56.518687][ T4927] show_stack+0x2c/0x3c [ 56.519364][ T4927] __dump_stack+0x30/0x40 [ 56.520094][ T4927] dump_stack_lvl+0xf4/0x15c [ 56.520874][ T4927] dump_stack+0x1c/0x5c [ 56.521588][ T4927] should_fail+0x3bc/0x514 [ 56.522296][ T4927] __should_failslab+0xbc/0x10c [ 56.523113][ T4927] should_failslab+0x10/0x28 [ 56.523876][ T4927] slab_pre_alloc_hook+0x64/0xe8 [ 56.524728][ T4927] __kmalloc_track_caller+0x70/0x358 [ 56.525573][ T4927] kstrdup+0xe4/0x15c [ 56.526274][ T4927] kstrdup_const+0x54/0x6c [ 56.526961][ T4927] kvasprintf_const+0x120/0x2e4 [ 56.527738][ T4927] kobject_set_name_vargs+0xd8/0x1c8 [ 56.528624][ T4927] dev_set_name+0xe8/0x13c [ 56.529317][ T4927] device_add_disk+0x258/0xacc [ 56.530074][ T4927] loop_add+0x510/0x6e0 [ 56.530692][ T4927] loop_control_ioctl+0x130/0x4e0 [ 56.531455][ T4927] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.532251][ T4927] invoke_syscall+0x98/0x2b0 [ 56.532986][ T4927] el0_svc_common+0x138/0x258 [ 56.533737][ T4927] do_el0_svc+0x58/0x13c [ 56.534401][ T4927] el0_svc+0x78/0x1d0 [ 56.535058][ T4927] el0t_64_sync_handler+0xcc/0xe4 [ 56.535815][ T4927] el0t_64_sync+0x1a0/0x1a4 [ 56.545476][ T4929] FAULT_INJECTION: forcing a failure. [ 56.545476][ T4929] name failslab, interval 1, probability 0, space 0, times 0 [ 56.547570][ T4929] CPU: 0 PID: 4929 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.549057][ T4929] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.550661][ T4929] Call trace: [ 56.551245][ T4929] dump_backtrace+0x0/0x458 [ 56.551942][ T4929] show_stack+0x2c/0x3c [ 56.552597][ T4929] __dump_stack+0x30/0x40 [ 56.553287][ T4929] dump_stack_lvl+0xf4/0x15c [ 56.554066][ T4929] dump_stack+0x1c/0x5c [ 56.554740][ T4929] should_fail+0x3bc/0x514 [ 56.555459][ T4929] __should_failslab+0xbc/0x10c [ 56.556220][ T4929] should_failslab+0x10/0x28 [ 56.556962][ T4929] slab_pre_alloc_hook+0x64/0xe8 [ 56.557760][ T4929] kmem_cache_alloc_trace+0x98/0x3ec [ 56.558601][ T4929] rand_initialize_disk+0x58/0xb8 [ 56.559425][ T4929] __alloc_disk_node+0x2a8/0x450 [ 56.560289][ T4929] __blk_mq_alloc_disk+0xe8/0x154 [ 56.561134][ T4929] loop_add+0x240/0x6e0 [ 56.561832][ T4929] loop_control_ioctl+0x130/0x4e0 [ 56.562696][ T4929] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.563480][ T4929] invoke_syscall+0x98/0x2b0 [ 56.564230][ T4929] el0_svc_common+0x138/0x258 [ 56.564973][ T4929] do_el0_svc+0x58/0x13c [ 56.565637][ T4929] el0_svc+0x78/0x1d0 [ 56.566277][ T4929] el0t_64_sync_handler+0xcc/0xe4 [ 56.567106][ T4929] el0t_64_sync+0x1a0/0x1a4 [ 56.580491][ T4931] FAULT_INJECTION: forcing a failure. [ 56.580491][ T4931] name failslab, interval 1, probability 0, space 0, times 0 [ 56.582585][ T4931] CPU: 0 PID: 4931 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.583993][ T4931] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.585647][ T4931] Call trace: [ 56.586123][ T4931] dump_backtrace+0x0/0x458 [ 56.586858][ T4931] show_stack+0x2c/0x3c [ 56.587539][ T4931] __dump_stack+0x30/0x40 [ 56.588260][ T4931] dump_stack_lvl+0xf4/0x15c [ 56.589011][ T4931] dump_stack+0x1c/0x5c [ 56.589732][ T4931] should_fail+0x3bc/0x514 [ 56.590489][ T4931] __should_failslab+0xbc/0x10c [ 56.591267][ T4931] should_failslab+0x10/0x28 [ 56.591985][ T4931] slab_pre_alloc_hook+0x64/0xe8 [ 56.592834][ T4931] kmem_cache_alloc_trace+0x98/0x3ec [ 56.593748][ T4931] device_add+0xbc/0xf90 [ 56.594474][ T4931] device_add_disk+0x2d0/0xacc [ 56.595331][ T4931] loop_add+0x510/0x6e0 [ 56.595998][ T4931] loop_control_ioctl+0x130/0x4e0 [ 56.596845][ T4931] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.597735][ T4931] invoke_syscall+0x98/0x2b0 [ 56.598517][ T4931] el0_svc_common+0x138/0x258 [ 56.599316][ T4931] do_el0_svc+0x58/0x13c [ 56.600058][ T4931] el0_svc+0x78/0x1d0 [ 56.600715][ T4931] el0t_64_sync_handler+0xcc/0xe4 [ 56.601568][ T4931] el0t_64_sync+0x1a0/0x1a4 [ 56.610670][ T4933] FAULT_INJECTION: forcing a failure. [ 56.610670][ T4933] name failslab, interval 1, probability 0, space 0, times 0 [ 56.612741][ T4933] CPU: 1 PID: 4933 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.614169][ T4933] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.615827][ T4933] Call trace: [ 56.616419][ T4933] dump_backtrace+0x0/0x458 [ 56.617145][ T4933] show_stack+0x2c/0x3c [ 56.617803][ T4933] __dump_stack+0x30/0x40 [ 56.618470][ T4933] dump_stack_lvl+0xf4/0x15c [ 56.619198][ T4933] dump_stack+0x1c/0x5c [ 56.619846][ T4933] should_fail+0x3bc/0x514 [ 56.620529][ T4933] __should_failslab+0xbc/0x10c [ 56.621302][ T4933] should_failslab+0x10/0x28 [ 56.622049][ T4933] slab_pre_alloc_hook+0x64/0xe8 [ 56.622859][ T4933] kmem_cache_alloc_trace+0x98/0x3ec [ 56.623758][ T4933] rand_initialize_disk+0x58/0xb8 [ 56.624548][ T4933] __alloc_disk_node+0x2a8/0x450 [ 56.625337][ T4933] __blk_mq_alloc_disk+0xe8/0x154 [ 56.626109][ T4933] loop_add+0x240/0x6e0 [ 56.626778][ T4933] loop_control_ioctl+0x130/0x4e0 [ 56.627602][ T4933] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.628372][ T4933] invoke_syscall+0x98/0x2b0 [ 56.629082][ T4933] el0_svc_common+0x138/0x258 [ 56.629798][ T4933] do_el0_svc+0x58/0x13c [ 56.630462][ T4933] el0_svc+0x78/0x1d0 [ 56.631060][ T4933] el0t_64_sync_handler+0xcc/0xe4 [ 56.631838][ T4933] el0t_64_sync+0x1a0/0x1a4 [ 56.643425][ T4935] FAULT_INJECTION: forcing a failure. [ 56.643425][ T4935] name failslab, interval 1, probability 0, space 0, times 0 [ 56.645517][ T4935] CPU: 0 PID: 4935 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.647033][ T4935] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.648597][ T4935] Call trace: [ 56.649109][ T4935] dump_backtrace+0x0/0x458 [ 56.649783][ T4935] show_stack+0x2c/0x3c [ 56.650483][ T4935] __dump_stack+0x30/0x40 [ 56.651206][ T4935] dump_stack_lvl+0xf4/0x15c [ 56.651944][ T4935] dump_stack+0x1c/0x5c [ 56.652663][ T4935] should_fail+0x3bc/0x514 [ 56.653431][ T4935] __should_failslab+0xbc/0x10c [ 56.654203][ T4935] should_failslab+0x10/0x28 [ 56.654965][ T4935] slab_pre_alloc_hook+0x64/0xe8 [ 56.655774][ T4935] __kmalloc_track_caller+0x70/0x358 [ 56.656622][ T4935] kstrdup+0xe4/0x15c [ 56.657253][ T4935] kstrdup_const+0x54/0x6c [ 56.657967][ T4935] kvasprintf_const+0x120/0x2e4 [ 56.658774][ T4935] kobject_set_name_vargs+0xd8/0x1c8 [ 56.659658][ T4935] dev_set_name+0xe8/0x13c [ 56.660409][ T4935] device_add_disk+0x258/0xacc [ 56.661167][ T4935] loop_add+0x510/0x6e0 [ 56.661812][ T4935] loop_control_ioctl+0x130/0x4e0 [ 56.662643][ T4935] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.663423][ T4935] invoke_syscall+0x98/0x2b0 [ 56.664163][ T4935] el0_svc_common+0x138/0x258 [ 56.664985][ T4935] do_el0_svc+0x58/0x13c [ 56.665748][ T4935] el0_svc+0x78/0x1d0 [ 56.666395][ T4935] el0t_64_sync_handler+0xcc/0xe4 [ 56.667163][ T4935] el0t_64_sync+0x1a0/0x1a4 [ 56.676470][ T4937] FAULT_INJECTION: forcing a failure. [ 56.676470][ T4937] name failslab, interval 1, probability 0, space 0, times 0 [ 56.678602][ T4937] CPU: 1 PID: 4937 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.680034][ T4937] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.681735][ T4937] Call trace: [ 56.682264][ T4937] dump_backtrace+0x0/0x458 [ 56.683000][ T4937] show_stack+0x2c/0x3c [ 56.683722][ T4937] __dump_stack+0x30/0x40 [ 56.684471][ T4937] dump_stack_lvl+0xf4/0x15c [ 56.685175][ T4937] dump_stack+0x1c/0x5c [ 56.685837][ T4937] should_fail+0x3bc/0x514 [ 56.686542][ T4937] __should_failslab+0xbc/0x10c [ 56.687332][ T4937] should_failslab+0x10/0x28 [ 56.688144][ T4937] slab_pre_alloc_hook+0x64/0xe8 [ 56.688931][ T4937] kmem_cache_alloc_trace+0x98/0x3ec [ 56.689788][ T4937] device_add+0xbc/0xf90 [ 56.690460][ T4937] device_add_disk+0x2d0/0xacc [ 56.691244][ T4937] loop_add+0x510/0x6e0 [ 56.691894][ T4937] loop_control_ioctl+0x130/0x4e0 [ 56.692666][ T4937] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.693518][ T4937] invoke_syscall+0x98/0x2b0 [ 56.694290][ T4937] el0_svc_common+0x138/0x258 [ 56.695021][ T4937] do_el0_svc+0x58/0x13c [ 56.695702][ T4937] el0_svc+0x78/0x1d0 [ 56.696344][ T4937] el0t_64_sync_handler+0xcc/0xe4 [ 56.697174][ T4937] el0t_64_sync+0x1a0/0x1a4 [ 56.707673][ T4939] FAULT_INJECTION: forcing a failure. [ 56.707673][ T4939] name failslab, interval 1, probability 0, space 0, times 0 [ 56.709816][ T4939] CPU: 0 PID: 4939 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.711183][ T4939] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.712735][ T4939] Call trace: [ 56.713280][ T4939] dump_backtrace+0x0/0x458 [ 56.713992][ T4939] show_stack+0x2c/0x3c [ 56.714677][ T4939] __dump_stack+0x30/0x40 [ 56.715371][ T4939] dump_stack_lvl+0xf4/0x15c [ 56.716151][ T4939] dump_stack+0x1c/0x5c [ 56.716823][ T4939] should_fail+0x3bc/0x514 [ 56.717552][ T4939] __should_failslab+0xbc/0x10c [ 56.718339][ T4939] should_failslab+0x10/0x28 [ 56.719078][ T4939] slab_pre_alloc_hook+0x64/0xe8 [ 56.719909][ T4939] __kmalloc_track_caller+0x70/0x358 [ 56.720741][ T4939] kstrdup+0xe4/0x15c [ 56.721422][ T4939] kstrdup_const+0x54/0x6c [ 56.722159][ T4939] kvasprintf_const+0x120/0x2e4 [ 56.722956][ T4939] kobject_set_name_vargs+0xd8/0x1c8 [ 56.723826][ T4939] dev_set_name+0xe8/0x13c [ 56.724534][ T4939] device_add_disk+0x258/0xacc [ 56.725283][ T4939] loop_add+0x510/0x6e0 [ 56.725944][ T4939] loop_control_ioctl+0x130/0x4e0 [ 56.726802][ T4939] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.727639][ T4939] invoke_syscall+0x98/0x2b0 [ 56.728383][ T4939] el0_svc_common+0x138/0x258 [ 56.729118][ T4939] do_el0_svc+0x58/0x13c [ 56.729777][ T4939] el0_svc+0x78/0x1d0 [ 56.730426][ T4939] el0t_64_sync_handler+0xcc/0xe4 [ 56.731281][ T4939] el0t_64_sync+0x1a0/0x1a4 [ 56.739564][ T4941] FAULT_INJECTION: forcing a failure. [ 56.739564][ T4941] name failslab, interval 1, probability 0, space 0, times 0 [ 56.741535][ T4941] CPU: 1 PID: 4941 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.742878][ T4941] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.744510][ T4941] Call trace: [ 56.744988][ T4941] dump_backtrace+0x0/0x458 [ 56.745719][ T4941] show_stack+0x2c/0x3c [ 56.746443][ T4941] __dump_stack+0x30/0x40 [ 56.747175][ T4941] dump_stack_lvl+0xf4/0x15c [ 56.747853][ T4941] dump_stack+0x1c/0x5c [ 56.748472][ T4941] should_fail+0x3bc/0x514 [ 56.749201][ T4941] __should_failslab+0xbc/0x10c [ 56.749992][ T4941] should_failslab+0x10/0x28 [ 56.750789][ T4941] slab_pre_alloc_hook+0x64/0xe8 [ 56.751620][ T4941] __kmalloc_track_caller+0x70/0x358 [ 56.752501][ T4941] kstrdup+0xe4/0x15c [ 56.753156][ T4941] kstrdup_const+0x54/0x6c [ 56.753887][ T4941] kvasprintf_const+0x120/0x2e4 [ 56.754654][ T4941] kobject_set_name_vargs+0xd8/0x1c8 [ 56.755509][ T4941] dev_set_name+0xe8/0x13c [ 56.756230][ T4941] device_add_disk+0x258/0xacc [ 56.757057][ T4941] loop_add+0x510/0x6e0 [ 56.757718][ T4941] loop_control_ioctl+0x130/0x4e0 [ 56.758547][ T4941] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.759338][ T4941] invoke_syscall+0x98/0x2b0 [ 56.760123][ T4941] el0_svc_common+0x138/0x258 [ 56.760892][ T4941] do_el0_svc+0x58/0x13c [ 56.761586][ T4941] el0_svc+0x78/0x1d0 [ 56.762268][ T4941] el0t_64_sync_handler+0xcc/0xe4 [ 56.763092][ T4941] el0t_64_sync+0x1a0/0x1a4 [ 56.773071][ T4943] FAULT_INJECTION: forcing a failure. [ 56.773071][ T4943] name failslab, interval 1, probability 0, space 0, times 0 [ 56.775120][ T4943] CPU: 0 PID: 4943 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.776582][ T4943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.778198][ T4943] Call trace: [ 56.778749][ T4943] dump_backtrace+0x0/0x458 [ 56.779509][ T4943] show_stack+0x2c/0x3c [ 56.780224][ T4943] __dump_stack+0x30/0x40 [ 56.780921][ T4943] dump_stack_lvl+0xf4/0x15c [ 56.781677][ T4943] dump_stack+0x1c/0x5c [ 56.782354][ T4943] should_fail+0x3bc/0x514 [ 56.783072][ T4943] __should_failslab+0xbc/0x10c [ 56.783922][ T4943] should_failslab+0x10/0x28 [ 56.784680][ T4943] slab_pre_alloc_hook+0x64/0xe8 [ 56.785500][ T4943] __kmalloc_track_caller+0x70/0x358 [ 56.786365][ T4943] kstrdup+0xe4/0x15c [ 56.787002][ T4943] kstrdup_const+0x54/0x6c [ 56.787722][ T4943] kvasprintf_const+0x120/0x2e4 [ 56.788480][ T4943] kobject_set_name_vargs+0xd8/0x1c8 [ 56.789327][ T4943] dev_set_name+0xe8/0x13c [ 56.790065][ T4943] device_add_disk+0x258/0xacc [ 56.790810][ T4943] loop_add+0x510/0x6e0 [ 56.791472][ T4943] loop_control_ioctl+0x130/0x4e0 [ 56.792247][ T4943] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.793050][ T4943] invoke_syscall+0x98/0x2b0 [ 56.793806][ T4943] el0_svc_common+0x138/0x258 [ 56.794542][ T4943] do_el0_svc+0x58/0x13c [ 56.795244][ T4943] el0_svc+0x78/0x1d0 [ 56.795888][ T4943] el0t_64_sync_handler+0xcc/0xe4 [ 56.796679][ T4943] el0t_64_sync+0x1a0/0x1a4 [ 56.806075][ T4945] FAULT_INJECTION: forcing a failure. [ 56.806075][ T4945] name failslab, interval 1, probability 0, space 0, times 0 [ 56.808017][ T4945] CPU: 0 PID: 4945 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.809343][ T4945] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.811006][ T4945] Call trace: [ 56.811520][ T4945] dump_backtrace+0x0/0x458 [ 56.812241][ T4945] show_stack+0x2c/0x3c [ 56.812933][ T4945] __dump_stack+0x30/0x40 [ 56.813657][ T4945] dump_stack_lvl+0xf4/0x15c [ 56.814429][ T4945] dump_stack+0x1c/0x5c [ 56.815156][ T4945] should_fail+0x3bc/0x514 [ 56.815898][ T4945] __should_failslab+0xbc/0x10c [ 56.816695][ T4945] should_failslab+0x10/0x28 [ 56.817460][ T4945] slab_pre_alloc_hook+0x64/0xe8 [ 56.818245][ T4945] kmem_cache_alloc_trace+0x98/0x3ec [ 56.819079][ T4945] rand_initialize_disk+0x58/0xb8 [ 56.819851][ T4945] __alloc_disk_node+0x2a8/0x450 [ 56.820614][ T4945] __blk_mq_alloc_disk+0xe8/0x154 [ 56.821419][ T4945] loop_add+0x240/0x6e0 [ 56.822143][ T4945] loop_control_ioctl+0x130/0x4e0 [ 56.823022][ T4945] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.823840][ T4945] invoke_syscall+0x98/0x2b0 [ 56.824590][ T4945] el0_svc_common+0x138/0x258 [ 56.825350][ T4945] do_el0_svc+0x58/0x13c [ 56.826021][ T4945] el0_svc+0x78/0x1d0 [ 56.826685][ T4945] el0t_64_sync_handler+0xcc/0xe4 [ 56.827513][ T4945] el0t_64_sync+0x1a0/0x1a4 [ 56.838625][ T4947] FAULT_INJECTION: forcing a failure. [ 56.838625][ T4947] name failslab, interval 1, probability 0, space 0, times 0 [ 56.840961][ T4947] CPU: 0 PID: 4947 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.842400][ T4947] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.843974][ T4947] Call trace: [ 56.844540][ T4947] dump_backtrace+0x0/0x458 [ 56.845273][ T4947] show_stack+0x2c/0x3c [ 56.845922][ T4947] __dump_stack+0x30/0x40 [ 56.846616][ T4947] dump_stack_lvl+0xf4/0x15c [ 56.847301][ T4947] dump_stack+0x1c/0x5c [ 56.847959][ T4947] should_fail+0x3bc/0x514 [ 56.848674][ T4947] __should_failslab+0xbc/0x10c [ 56.849429][ T4947] should_failslab+0x10/0x28 [ 56.850183][ T4947] slab_pre_alloc_hook+0x64/0xe8 [ 56.851006][ T4947] __kmalloc_track_caller+0x70/0x358 [ 56.851858][ T4947] kstrdup+0xe4/0x15c [ 56.852520][ T4947] kstrdup_const+0x54/0x6c [ 56.853287][ T4947] kvasprintf_const+0x120/0x2e4 [ 56.854130][ T4947] kobject_set_name_vargs+0xd8/0x1c8 [ 56.855013][ T4947] dev_set_name+0xe8/0x13c [ 56.855745][ T4947] device_add_disk+0x258/0xacc [ 56.856515][ T4947] loop_add+0x510/0x6e0 [ 56.857210][ T4947] loop_control_ioctl+0x130/0x4e0 [ 56.858039][ T4947] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.858841][ T4947] invoke_syscall+0x98/0x2b0 [ 56.859598][ T4947] el0_svc_common+0x138/0x258 [ 56.860331][ T4947] do_el0_svc+0x58/0x13c [ 56.860989][ T4947] el0_svc+0x78/0x1d0 [ 56.861668][ T4947] el0t_64_sync_handler+0xcc/0xe4 [ 56.862474][ T4947] el0t_64_sync+0x1a0/0x1a4 [ 56.871244][ T4949] FAULT_INJECTION: forcing a failure. [ 56.871244][ T4949] name failslab, interval 1, probability 0, space 0, times 0 [ 56.873293][ T4949] CPU: 1 PID: 4949 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.874737][ T4949] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.876316][ T4949] Call trace: [ 56.876842][ T4949] dump_backtrace+0x0/0x458 [ 56.877618][ T4949] show_stack+0x2c/0x3c [ 56.878262][ T4949] __dump_stack+0x30/0x40 [ 56.878969][ T4949] dump_stack_lvl+0xf4/0x15c [ 56.879728][ T4949] dump_stack+0x1c/0x5c [ 56.880358][ T4949] should_fail+0x3bc/0x514 [ 56.881041][ T4949] __should_failslab+0xbc/0x10c [ 56.881768][ T4949] should_failslab+0x10/0x28 [ 56.882495][ T4949] slab_pre_alloc_hook+0x64/0xe8 [ 56.883321][ T4949] __kmalloc_track_caller+0x70/0x358 [ 56.884232][ T4949] kstrdup+0xe4/0x15c [ 56.884898][ T4949] kstrdup_const+0x54/0x6c [ 56.885641][ T4949] kvasprintf_const+0x120/0x2e4 [ 56.886456][ T4949] kobject_set_name_vargs+0xd8/0x1c8 [ 56.887352][ T4949] dev_set_name+0xe8/0x13c [ 56.888061][ T4949] device_add_disk+0x258/0xacc [ 56.888878][ T4949] loop_add+0x510/0x6e0 [ 56.889577][ T4949] loop_control_ioctl+0x130/0x4e0 [ 56.890426][ T4949] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.891222][ T4949] invoke_syscall+0x98/0x2b0 [ 56.891965][ T4949] el0_svc_common+0x138/0x258 [ 56.892688][ T4949] do_el0_svc+0x58/0x13c [ 56.893314][ T4949] el0_svc+0x78/0x1d0 [ 56.893973][ T4949] el0t_64_sync_handler+0xcc/0xe4 [ 56.894798][ T4949] el0t_64_sync+0x1a0/0x1a4 [ 56.904761][ T4951] FAULT_INJECTION: forcing a failure. [ 56.904761][ T4951] name failslab, interval 1, probability 0, space 0, times 0 [ 56.906780][ T4951] CPU: 0 PID: 4951 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.908216][ T4951] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.909915][ T4951] Call trace: [ 56.910452][ T4951] dump_backtrace+0x0/0x458 [ 56.911209][ T4951] show_stack+0x2c/0x3c [ 56.911929][ T4951] __dump_stack+0x30/0x40 [ 56.912601][ T4951] dump_stack_lvl+0xf4/0x15c [ 56.913334][ T4951] dump_stack+0x1c/0x5c [ 56.914050][ T4951] should_fail+0x3bc/0x514 [ 56.914806][ T4951] __should_failslab+0xbc/0x10c [ 56.915643][ T4951] should_failslab+0x10/0x28 [ 56.916390][ T4951] slab_pre_alloc_hook+0x64/0xe8 [ 56.917224][ T4951] kmem_cache_alloc_trace+0x98/0x3ec [ 56.918153][ T4951] rand_initialize_disk+0x58/0xb8 [ 56.918930][ T4951] __alloc_disk_node+0x2a8/0x450 [ 56.919695][ T4951] __blk_mq_alloc_disk+0xe8/0x154 [ 56.920483][ T4951] loop_add+0x240/0x6e0 [ 56.921091][ T4951] loop_control_ioctl+0x130/0x4e0 [ 56.921819][ T4951] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.922621][ T4951] invoke_syscall+0x98/0x2b0 [ 56.923367][ T4951] el0_svc_common+0x138/0x258 [ 56.924137][ T4951] do_el0_svc+0x58/0x13c [ 56.924820][ T4951] el0_svc+0x78/0x1d0 [ 56.925476][ T4951] el0t_64_sync_handler+0xcc/0xe4 [ 56.926310][ T4951] el0t_64_sync+0x1a0/0x1a4 [ 56.937763][ T4953] FAULT_INJECTION: forcing a failure. [ 56.937763][ T4953] name failslab, interval 1, probability 0, space 0, times 0 [ 56.939886][ T4953] CPU: 0 PID: 4953 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.941279][ T4953] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.942910][ T4953] Call trace: [ 56.943380][ T4953] dump_backtrace+0x0/0x458 [ 56.944074][ T4953] show_stack+0x2c/0x3c [ 56.944724][ T4953] __dump_stack+0x30/0x40 [ 56.945425][ T4953] dump_stack_lvl+0xf4/0x15c [ 56.946131][ T4953] dump_stack+0x1c/0x5c [ 56.946769][ T4953] should_fail+0x3bc/0x514 [ 56.947442][ T4953] __should_failslab+0xbc/0x10c [ 56.948229][ T4953] should_failslab+0x10/0x28 [ 56.948933][ T4953] slab_pre_alloc_hook+0x64/0xe8 [ 56.949704][ T4953] __kmalloc_track_caller+0x70/0x358 [ 56.950558][ T4953] kstrdup+0xe4/0x15c [ 56.951183][ T4953] kstrdup_const+0x54/0x6c [ 56.951914][ T4953] kvasprintf_const+0x120/0x2e4 [ 56.952682][ T4953] kobject_set_name_vargs+0xd8/0x1c8 [ 56.953488][ T4953] dev_set_name+0xe8/0x13c [ 56.954261][ T4953] device_add_disk+0x258/0xacc [ 56.955019][ T4953] loop_add+0x510/0x6e0 [ 56.955684][ T4953] loop_control_ioctl+0x130/0x4e0 [ 56.956485][ T4953] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.957239][ T4953] invoke_syscall+0x98/0x2b0 [ 56.957912][ T4953] el0_svc_common+0x138/0x258 [ 56.958666][ T4953] do_el0_svc+0x58/0x13c [ 56.959324][ T4953] el0_svc+0x78/0x1d0 [ 56.959990][ T4953] el0t_64_sync_handler+0xcc/0xe4 [ 56.960800][ T4953] el0t_64_sync+0x1a0/0x1a4 [ 56.970012][ T4955] FAULT_INJECTION: forcing a failure. [ 56.970012][ T4955] name failslab, interval 1, probability 0, space 0, times 0 [ 56.971976][ T4955] CPU: 1 PID: 4955 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.973347][ T4955] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 56.974873][ T4955] Call trace: [ 56.975368][ T4955] dump_backtrace+0x0/0x458 [ 56.976107][ T4955] show_stack+0x2c/0x3c [ 56.976773][ T4955] __dump_stack+0x30/0x40 [ 56.977455][ T4955] dump_stack_lvl+0xf4/0x15c [ 56.978164][ T4955] dump_stack+0x1c/0x5c [ 56.978831][ T4955] should_fail+0x3bc/0x514 [ 56.979551][ T4955] __should_failslab+0xbc/0x10c [ 56.980385][ T4955] should_failslab+0x10/0x28 [ 56.981141][ T4955] slab_pre_alloc_hook+0x64/0xe8 [ 56.981891][ T4955] kmem_cache_alloc_trace+0x98/0x3ec [ 56.982737][ T4955] rand_initialize_disk+0x58/0xb8 [ 56.983500][ T4955] __alloc_disk_node+0x2a8/0x450 [ 56.984252][ T4955] __blk_mq_alloc_disk+0xe8/0x154 [ 56.985013][ T4955] loop_add+0x240/0x6e0 [ 56.985658][ T4955] loop_control_ioctl+0x130/0x4e0 [ 56.986442][ T4955] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.987193][ T4955] invoke_syscall+0x98/0x2b0 [ 56.987937][ T4955] el0_svc_common+0x138/0x258 [ 56.988691][ T4955] do_el0_svc+0x58/0x13c [ 56.989410][ T4955] el0_svc+0x78/0x1d0 [ 56.990084][ T4955] el0t_64_sync_handler+0xcc/0xe4 [ 56.990841][ T4955] el0t_64_sync+0x1a0/0x1a4 [ 57.001977][ T4957] FAULT_INJECTION: forcing a failure. [ 57.001977][ T4957] name failslab, interval 1, probability 0, space 0, times 0 [ 57.004000][ T4957] CPU: 1 PID: 4957 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.005419][ T4957] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.006975][ T4957] Call trace: [ 57.007469][ T4957] dump_backtrace+0x0/0x458 [ 57.008200][ T4957] show_stack+0x2c/0x3c [ 57.008848][ T4957] __dump_stack+0x30/0x40 [ 57.009603][ T4957] dump_stack_lvl+0xf4/0x15c [ 57.010340][ T4957] dump_stack+0x1c/0x5c [ 57.011021][ T4957] should_fail+0x3bc/0x514 [ 57.011740][ T4957] __should_failslab+0xbc/0x10c [ 57.012510][ T4957] should_failslab+0x10/0x28 [ 57.013269][ T4957] slab_pre_alloc_hook+0x64/0xe8 [ 57.014104][ T4957] kmem_cache_alloc_trace+0x98/0x3ec [ 57.014987][ T4957] device_add+0xbc/0xf90 [ 57.015667][ T4957] device_add_disk+0x2d0/0xacc [ 57.016407][ T4957] loop_add+0x510/0x6e0 [ 57.017079][ T4957] loop_control_ioctl+0x130/0x4e0 [ 57.017825][ T4957] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.018604][ T4957] invoke_syscall+0x98/0x2b0 [ 57.019337][ T4957] el0_svc_common+0x138/0x258 [ 57.020109][ T4957] do_el0_svc+0x58/0x13c [ 57.020817][ T4957] el0_svc+0x78/0x1d0 [ 57.021441][ T4957] el0t_64_sync_handler+0xcc/0xe4 [ 57.022238][ T4957] el0t_64_sync+0x1a0/0x1a4 [ 57.030736][ T4959] FAULT_INJECTION: forcing a failure. [ 57.030736][ T4959] name failslab, interval 1, probability 0, space 0, times 0 [ 57.032737][ T4959] CPU: 1 PID: 4959 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.034172][ T4959] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.035738][ T4959] Call trace: [ 57.036270][ T4959] dump_backtrace+0x0/0x458 [ 57.036978][ T4959] show_stack+0x2c/0x3c [ 57.037624][ T4959] __dump_stack+0x30/0x40 [ 57.038334][ T4959] dump_stack_lvl+0xf4/0x15c [ 57.039096][ T4959] dump_stack+0x1c/0x5c [ 57.039808][ T4959] should_fail+0x3bc/0x514 [ 57.040591][ T4959] __should_failslab+0xbc/0x10c [ 57.041434][ T4959] should_failslab+0x10/0x28 [ 57.042198][ T4959] slab_pre_alloc_hook+0x64/0xe8 [ 57.042947][ T4959] kmem_cache_alloc_trace+0x98/0x3ec [ 57.043752][ T4959] rand_initialize_disk+0x58/0xb8 [ 57.044598][ T4959] __alloc_disk_node+0x2a8/0x450 [ 57.045398][ T4959] __blk_mq_alloc_disk+0xe8/0x154 [ 57.046213][ T4959] loop_add+0x240/0x6e0 [ 57.046908][ T4959] loop_control_ioctl+0x130/0x4e0 [ 57.047746][ T4959] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.048515][ T4959] invoke_syscall+0x98/0x2b0 [ 57.049272][ T4959] el0_svc_common+0x138/0x258 [ 57.050005][ T4959] do_el0_svc+0x58/0x13c [ 57.050735][ T4959] el0_svc+0x78/0x1d0 [ 57.051380][ T4959] el0t_64_sync_handler+0xcc/0xe4 [ 57.052249][ T4959] el0t_64_sync+0x1a0/0x1a4 [ 57.065131][ T4961] FAULT_INJECTION: forcing a failure. [ 57.065131][ T4961] name failslab, interval 1, probability 0, space 0, times 0 [ 57.067387][ T4961] CPU: 0 PID: 4961 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.068794][ T4961] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.070353][ T4961] Call trace: [ 57.070935][ T4961] dump_backtrace+0x0/0x458 [ 57.071578][ T4961] show_stack+0x2c/0x3c [ 57.072224][ T4961] __dump_stack+0x30/0x40 [ 57.072895][ T4961] dump_stack_lvl+0xf4/0x15c [ 57.073653][ T4961] dump_stack+0x1c/0x5c [ 57.074360][ T4961] should_fail+0x3bc/0x514 [ 57.075041][ T4961] __should_failslab+0xbc/0x10c [ 57.075792][ T4961] should_failslab+0x10/0x28 [ 57.076508][ T4961] slab_pre_alloc_hook+0x64/0xe8 [ 57.077260][ T4961] kmem_cache_alloc_trace+0x98/0x3ec [ 57.078024][ T4961] rand_initialize_disk+0x58/0xb8 [ 57.078775][ T4961] __alloc_disk_node+0x2a8/0x450 [ 57.079530][ T4961] __blk_mq_alloc_disk+0xe8/0x154 [ 57.080305][ T4961] loop_add+0x240/0x6e0 [ 57.080976][ T4961] loop_control_ioctl+0x130/0x4e0 [ 57.081777][ T4961] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.082525][ T4961] invoke_syscall+0x98/0x2b0 [ 57.083259][ T4961] el0_svc_common+0x138/0x258 [ 57.084000][ T4961] do_el0_svc+0x58/0x13c [ 57.084672][ T4961] el0_svc+0x78/0x1d0 [ 57.085275][ T4961] el0t_64_sync_handler+0xcc/0xe4 [ 57.086086][ T4961] el0t_64_sync+0x1a0/0x1a4 [ 57.099620][ T4963] FAULT_INJECTION: forcing a failure. [ 57.099620][ T4963] name failslab, interval 1, probability 0, space 0, times 0 [ 57.101679][ T4963] CPU: 0 PID: 4963 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.103089][ T4963] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.104697][ T4963] Call trace: [ 57.105216][ T4963] dump_backtrace+0x0/0x458 [ 57.105935][ T4963] show_stack+0x2c/0x3c [ 57.106619][ T4963] __dump_stack+0x30/0x40 [ 57.107356][ T4963] dump_stack_lvl+0xf4/0x15c [ 57.108090][ T4963] dump_stack+0x1c/0x5c [ 57.108783][ T4963] should_fail+0x3bc/0x514 [ 57.109472][ T4963] __should_failslab+0xbc/0x10c [ 57.110296][ T4963] should_failslab+0x10/0x28 [ 57.111068][ T4963] slab_pre_alloc_hook+0x64/0xe8 [ 57.111866][ T4963] kmem_cache_alloc_trace+0x98/0x3ec [ 57.112756][ T4963] device_add+0xbc/0xf90 [ 57.113481][ T4963] device_add_disk+0x2d0/0xacc [ 57.114264][ T4963] loop_add+0x510/0x6e0 [ 57.114985][ T4963] loop_control_ioctl+0x130/0x4e0 [ 57.115762][ T4963] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.116590][ T4963] invoke_syscall+0x98/0x2b0 [ 57.117305][ T4963] el0_svc_common+0x138/0x258 [ 57.118004][ T4963] do_el0_svc+0x58/0x13c [ 57.118693][ T4963] el0_svc+0x78/0x1d0 [ 57.119337][ T4963] el0t_64_sync_handler+0xcc/0xe4 [ 57.120157][ T4963] el0t_64_sync+0x1a0/0x1a4 [ 57.128672][ T4965] FAULT_INJECTION: forcing a failure. [ 57.128672][ T4965] name failslab, interval 1, probability 0, space 0, times 0 [ 57.130908][ T4965] CPU: 0 PID: 4965 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.132305][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.134005][ T4965] Call trace: [ 57.134540][ T4965] dump_backtrace+0x0/0x458 [ 57.135262][ T4965] show_stack+0x2c/0x3c [ 57.135919][ T4965] __dump_stack+0x30/0x40 [ 57.136583][ T4965] dump_stack_lvl+0xf4/0x15c [ 57.137339][ T4965] dump_stack+0x1c/0x5c [ 57.138025][ T4965] should_fail+0x3bc/0x514 [ 57.138742][ T4965] __should_failslab+0xbc/0x10c [ 57.139602][ T4965] should_failslab+0x10/0x28 [ 57.140365][ T4965] slab_pre_alloc_hook+0x64/0xe8 [ 57.141209][ T4965] kmem_cache_alloc_trace+0x98/0x3ec [ 57.142084][ T4965] rand_initialize_disk+0x58/0xb8 [ 57.142922][ T4965] __alloc_disk_node+0x2a8/0x450 [ 57.143724][ T4965] __blk_mq_alloc_disk+0xe8/0x154 [ 57.144534][ T4965] loop_add+0x240/0x6e0 [ 57.145224][ T4965] loop_control_ioctl+0x130/0x4e0 [ 57.146056][ T4965] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.146835][ T4965] invoke_syscall+0x98/0x2b0 [ 57.147556][ T4965] el0_svc_common+0x138/0x258 [ 57.148345][ T4965] do_el0_svc+0x58/0x13c [ 57.149082][ T4965] el0_svc+0x78/0x1d0 [ 57.149703][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 57.150528][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 57.161777][ T4967] FAULT_INJECTION: forcing a failure. [ 57.161777][ T4967] name failslab, interval 1, probability 0, space 0, times 0 [ 57.163797][ T4967] CPU: 0 PID: 4967 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.165170][ T4967] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.166820][ T4967] Call trace: [ 57.167383][ T4967] dump_backtrace+0x0/0x458 [ 57.168140][ T4967] show_stack+0x2c/0x3c [ 57.168833][ T4967] __dump_stack+0x30/0x40 [ 57.169572][ T4967] dump_stack_lvl+0xf4/0x15c [ 57.170349][ T4967] dump_stack+0x1c/0x5c [ 57.171024][ T4967] should_fail+0x3bc/0x514 [ 57.171749][ T4967] __should_failslab+0xbc/0x10c [ 57.172612][ T4967] should_failslab+0x10/0x28 [ 57.173377][ T4967] slab_pre_alloc_hook+0x64/0xe8 [ 57.174179][ T4967] kmem_cache_alloc_trace+0x98/0x3ec [ 57.175013][ T4967] device_add+0xbc/0xf90 [ 57.175659][ T4967] device_add_disk+0x2d0/0xacc [ 57.176460][ T4967] loop_add+0x510/0x6e0 [ 57.177170][ T4967] loop_control_ioctl+0x130/0x4e0 [ 57.178039][ T4967] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.178892][ T4967] invoke_syscall+0x98/0x2b0 [ 57.179668][ T4967] el0_svc_common+0x138/0x258 [ 57.180427][ T4967] do_el0_svc+0x58/0x13c [ 57.181130][ T4967] el0_svc+0x78/0x1d0 [ 57.181742][ T4967] el0t_64_sync_handler+0xcc/0xe4 [ 57.182628][ T4967] el0t_64_sync+0x1a0/0x1a4 [ 57.191310][ T4969] FAULT_INJECTION: forcing a failure. [ 57.191310][ T4969] name failslab, interval 1, probability 0, space 0, times 0 [ 57.193295][ T4969] CPU: 1 PID: 4969 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.194693][ T4969] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.196231][ T4969] Call trace: [ 57.196723][ T4969] dump_backtrace+0x0/0x458 [ 57.197426][ T4969] show_stack+0x2c/0x3c [ 57.198058][ T4969] __dump_stack+0x30/0x40 [ 57.198703][ T4969] dump_stack_lvl+0xf4/0x15c [ 57.199441][ T4969] dump_stack+0x1c/0x5c [ 57.200165][ T4969] should_fail+0x3bc/0x514 [ 57.200873][ T4969] __should_failslab+0xbc/0x10c [ 57.201718][ T4969] should_failslab+0x10/0x28 [ 57.202480][ T4969] slab_pre_alloc_hook+0x64/0xe8 [ 57.203300][ T4969] kmem_cache_alloc+0x94/0x3d4 [ 57.204078][ T4969] security_inode_alloc+0x38/0x11c [ 57.204969][ T4969] inode_init_always+0x670/0xa84 [ 57.205772][ T4969] new_inode_pseudo+0x7c/0x1fc [ 57.206593][ T4969] new_inode+0x38/0x174 [ 57.207225][ T4969] bdev_alloc+0x30/0x1f8 [ 57.207896][ T4969] __alloc_disk_node+0xbc/0x450 [ 57.208651][ T4969] __blk_mq_alloc_disk+0xe8/0x154 [ 57.209432][ T4969] loop_add+0x240/0x6e0 [ 57.210031][ T4969] loop_control_ioctl+0x130/0x4e0 [ 57.210847][ T4969] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.211662][ T4969] invoke_syscall+0x98/0x2b0 [ 57.212432][ T4969] el0_svc_common+0x138/0x258 [ 57.213165][ T4969] do_el0_svc+0x58/0x13c [ 57.213901][ T4969] el0_svc+0x78/0x1d0 [ 57.214566][ T4969] el0t_64_sync_handler+0xcc/0xe4 [ 57.215430][ T4969] el0t_64_sync+0x1a0/0x1a4 [ 57.226021][ T4971] FAULT_INJECTION: forcing a failure. [ 57.226021][ T4971] name failslab, interval 1, probability 0, space 0, times 0 [ 57.228130][ T4971] CPU: 0 PID: 4971 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.229618][ T4971] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.231379][ T4971] Call trace: [ 57.231923][ T4971] dump_backtrace+0x0/0x458 [ 57.232731][ T4971] show_stack+0x2c/0x3c [ 57.233467][ T4971] __dump_stack+0x30/0x40 [ 57.234200][ T4971] dump_stack_lvl+0xf4/0x15c [ 57.234997][ T4971] dump_stack+0x1c/0x5c [ 57.235727][ T4971] should_fail+0x3bc/0x514 [ 57.236500][ T4971] __should_failslab+0xbc/0x10c [ 57.237391][ T4971] should_failslab+0x10/0x28 [ 57.238188][ T4971] slab_pre_alloc_hook+0x64/0xe8 [ 57.238996][ T4971] __kmalloc_track_caller+0x70/0x358 [ 57.239936][ T4971] kstrdup+0xe4/0x15c [ 57.240599][ T4971] kstrdup_const+0x54/0x6c [ 57.241369][ T4971] kvasprintf_const+0x120/0x2e4 [ 57.242156][ T4971] kobject_set_name_vargs+0xd8/0x1c8 [ 57.243106][ T4971] dev_set_name+0xe8/0x13c [ 57.243834][ T4971] device_add_disk+0x258/0xacc [ 57.244637][ T4971] loop_add+0x510/0x6e0 [ 57.245334][ T4971] loop_control_ioctl+0x130/0x4e0 [ 57.246193][ T4971] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.246964][ T4971] invoke_syscall+0x98/0x2b0 [ 57.247682][ T4971] el0_svc_common+0x138/0x258 [ 57.248412][ T4971] do_el0_svc+0x58/0x13c [ 57.249141][ T4971] el0_svc+0x78/0x1d0 [ 57.249784][ T4971] el0t_64_sync_handler+0xcc/0xe4 [ 57.250600][ T4971] el0t_64_sync+0x1a0/0x1a4 [ 57.260003][ T4973] FAULT_INJECTION: forcing a failure. [ 57.260003][ T4973] name failslab, interval 1, probability 0, space 0, times 0 [ 57.262102][ T4973] CPU: 0 PID: 4973 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.263562][ T4973] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.265298][ T4973] Call trace: [ 57.265825][ T4973] dump_backtrace+0x0/0x458 [ 57.266568][ T4973] show_stack+0x2c/0x3c [ 57.267216][ T4973] __dump_stack+0x30/0x40 [ 57.267915][ T4973] dump_stack_lvl+0xf4/0x15c [ 57.268592][ T4973] dump_stack+0x1c/0x5c [ 57.269273][ T4973] should_fail+0x3bc/0x514 [ 57.270025][ T4973] __should_failslab+0xbc/0x10c [ 57.270797][ T4973] should_failslab+0x10/0x28 [ 57.271515][ T4973] slab_pre_alloc_hook+0x64/0xe8 [ 57.272304][ T4973] kmem_cache_alloc_trace+0x98/0x3ec [ 57.273229][ T4973] rand_initialize_disk+0x58/0xb8 [ 57.274182][ T4973] __alloc_disk_node+0x2a8/0x450 [ 57.275012][ T4973] __blk_mq_alloc_disk+0xe8/0x154 [ 57.275904][ T4973] loop_add+0x240/0x6e0 [ 57.276644][ T4973] loop_control_ioctl+0x130/0x4e0 [ 57.277479][ T4973] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.278345][ T4973] invoke_syscall+0x98/0x2b0 [ 57.279159][ T4973] el0_svc_common+0x138/0x258 [ 57.279963][ T4973] do_el0_svc+0x58/0x13c [ 57.280696][ T4973] el0_svc+0x78/0x1d0 [ 57.281339][ T4973] el0t_64_sync_handler+0xcc/0xe4 [ 57.282209][ T4973] el0t_64_sync+0x1a0/0x1a4 [ 57.293196][ T4975] FAULT_INJECTION: forcing a failure. [ 57.293196][ T4975] name failslab, interval 1, probability 0, space 0, times 0 [ 57.295320][ T4975] CPU: 0 PID: 4975 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.296859][ T4975] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.298496][ T4975] Call trace: [ 57.298999][ T4975] dump_backtrace+0x0/0x458 [ 57.299731][ T4975] show_stack+0x2c/0x3c [ 57.300451][ T4975] __dump_stack+0x30/0x40 [ 57.301165][ T4975] dump_stack_lvl+0xf4/0x15c [ 57.301934][ T4975] dump_stack+0x1c/0x5c [ 57.302668][ T4975] should_fail+0x3bc/0x514 [ 57.303454][ T4975] __should_failslab+0xbc/0x10c [ 57.304285][ T4975] should_failslab+0x10/0x28 [ 57.305011][ T4975] slab_pre_alloc_hook+0x64/0xe8 [ 57.305820][ T4975] kmem_cache_alloc_trace+0x98/0x3ec [ 57.306682][ T4975] rand_initialize_disk+0x58/0xb8 [ 57.307578][ T4975] __alloc_disk_node+0x2a8/0x450 [ 57.308407][ T4975] __blk_mq_alloc_disk+0xe8/0x154 [ 57.309287][ T4975] loop_add+0x240/0x6e0 [ 57.309995][ T4975] loop_control_ioctl+0x130/0x4e0 [ 57.310855][ T4975] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.311687][ T4975] invoke_syscall+0x98/0x2b0 [ 57.312490][ T4975] el0_svc_common+0x138/0x258 [ 57.313292][ T4975] do_el0_svc+0x58/0x13c [ 57.314027][ T4975] el0_svc+0x78/0x1d0 [ 57.314656][ T4975] el0t_64_sync_handler+0xcc/0xe4 [ 57.315533][ T4975] el0t_64_sync+0x1a0/0x1a4 [ 57.327237][ T4977] FAULT_INJECTION: forcing a failure. [ 57.327237][ T4977] name failslab, interval 1, probability 0, space 0, times 0 [ 57.329804][ T4977] CPU: 0 PID: 4977 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.331234][ T4977] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.332781][ T4977] Call trace: [ 57.333291][ T4977] dump_backtrace+0x0/0x458 [ 57.333980][ T4977] show_stack+0x2c/0x3c [ 57.334671][ T4977] __dump_stack+0x30/0x40 [ 57.335402][ T4977] dump_stack_lvl+0xf4/0x15c [ 57.336141][ T4977] dump_stack+0x1c/0x5c [ 57.336827][ T4977] should_fail+0x3bc/0x514 [ 57.337537][ T4977] __should_failslab+0xbc/0x10c [ 57.338340][ T4977] should_failslab+0x10/0x28 [ 57.339119][ T4977] slab_pre_alloc_hook+0x64/0xe8 [ 57.339934][ T4977] __kmalloc_track_caller+0x70/0x358 [ 57.340837][ T4977] kstrdup+0xe4/0x15c [ 57.341499][ T4977] kstrdup_const+0x54/0x6c [ 57.342261][ T4977] kvasprintf_const+0x120/0x2e4 [ 57.343123][ T4977] kobject_set_name_vargs+0xd8/0x1c8 [ 57.344061][ T4977] dev_set_name+0xe8/0x13c [ 57.344863][ T4977] device_add_disk+0x258/0xacc [ 57.345689][ T4977] loop_add+0x510/0x6e0 [ 57.346445][ T4977] loop_control_ioctl+0x130/0x4e0 [ 57.347368][ T4977] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.348184][ T4977] invoke_syscall+0x98/0x2b0 [ 57.348921][ T4977] el0_svc_common+0x138/0x258 [ 57.349742][ T4977] do_el0_svc+0x58/0x13c [ 57.350471][ T4977] el0_svc+0x78/0x1d0 [ 57.351169][ T4977] el0t_64_sync_handler+0xcc/0xe4 [ 57.351962][ T4977] el0t_64_sync+0x1a0/0x1a4 [ 57.361630][ T4979] FAULT_INJECTION: forcing a failure. [ 57.361630][ T4979] name failslab, interval 1, probability 0, space 0, times 0 [ 57.363779][ T4979] CPU: 1 PID: 4979 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.365131][ T4979] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.366750][ T4979] Call trace: [ 57.367280][ T4979] dump_backtrace+0x0/0x458 [ 57.367960][ T4979] show_stack+0x2c/0x3c [ 57.368659][ T4979] __dump_stack+0x30/0x40 [ 57.369346][ T4979] dump_stack_lvl+0xf4/0x15c [ 57.370078][ T4979] dump_stack+0x1c/0x5c [ 57.370752][ T4979] should_fail+0x3bc/0x514 [ 57.371495][ T4979] __should_failslab+0xbc/0x10c [ 57.372312][ T4979] should_failslab+0x10/0x28 [ 57.373032][ T4979] slab_pre_alloc_hook+0x64/0xe8 [ 57.373817][ T4979] __kmalloc_node+0xb8/0x508 [ 57.374480][ T4979] memcg_alloc_page_obj_cgroups+0x80/0x170 [ 57.375358][ T4979] new_slab+0x114/0x544 [ 57.376066][ T4979] ___slab_alloc+0x6b4/0xd8c [ 57.376833][ T4979] __slab_alloc+0x68/0xc0 [ 57.377550][ T4979] kmem_cache_alloc+0x2a4/0x3d4 [ 57.378299][ T4979] bdev_alloc_inode+0x24/0x60 [ 57.379085][ T4979] new_inode_pseudo+0x68/0x1fc [ 57.379810][ T4979] new_inode+0x38/0x174 [ 57.380407][ T4979] bdev_alloc+0x30/0x1f8 [ 57.381090][ T4979] __alloc_disk_node+0xbc/0x450 [ 57.381824][ T4979] __blk_mq_alloc_disk+0xe8/0x154 [ 57.382656][ T4979] loop_add+0x240/0x6e0 [ 57.383370][ T4979] loop_control_ioctl+0x130/0x4e0 [ 57.384217][ T4979] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.385005][ T4979] invoke_syscall+0x98/0x2b0 [ 57.385700][ T4979] el0_svc_common+0x138/0x258 [ 57.386465][ T4979] do_el0_svc+0x58/0x13c [ 57.387180][ T4979] el0_svc+0x78/0x1d0 [ 57.387832][ T4979] el0t_64_sync_handler+0xcc/0xe4 [ 57.388630][ T4979] el0t_64_sync+0x1a0/0x1a4 [ 57.400259][ T4981] FAULT_INJECTION: forcing a failure. [ 57.400259][ T4981] name failslab, interval 1, probability 0, space 0, times 0 [ 57.402369][ T4981] CPU: 0 PID: 4981 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.403793][ T4981] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.405463][ T4981] Call trace: [ 57.406000][ T4981] dump_backtrace+0x0/0x458 [ 57.406749][ T4981] show_stack+0x2c/0x3c [ 57.407464][ T4981] __dump_stack+0x30/0x40 [ 57.408175][ T4981] dump_stack_lvl+0xf4/0x15c [ 57.408989][ T4981] dump_stack+0x1c/0x5c [ 57.409702][ T4981] should_fail+0x3bc/0x514 [ 57.410463][ T4981] __should_failslab+0xbc/0x10c [ 57.411237][ T4981] should_failslab+0x10/0x28 [ 57.411986][ T4981] slab_pre_alloc_hook+0x64/0xe8 [ 57.412825][ T4981] kmem_cache_alloc_trace+0x98/0x3ec [ 57.413712][ T4981] rand_initialize_disk+0x58/0xb8 [ 57.414527][ T4981] __alloc_disk_node+0x2a8/0x450 [ 57.415338][ T4981] __blk_mq_alloc_disk+0xe8/0x154 [ 57.416163][ T4981] loop_add+0x240/0x6e0 [ 57.416882][ T4981] loop_control_ioctl+0x130/0x4e0 [ 57.417789][ T4981] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.418655][ T4981] invoke_syscall+0x98/0x2b0 [ 57.419420][ T4981] el0_svc_common+0x138/0x258 [ 57.420152][ T4981] do_el0_svc+0x58/0x13c [ 57.420877][ T4981] el0_svc+0x78/0x1d0 [ 57.421565][ T4981] el0t_64_sync_handler+0xcc/0xe4 [ 57.422433][ T4981] el0t_64_sync+0x1a0/0x1a4 [ 57.434998][ T4983] FAULT_INJECTION: forcing a failure. [ 57.434998][ T4983] name failslab, interval 1, probability 0, space 0, times 0 [ 57.437315][ T4983] CPU: 1 PID: 4983 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.438733][ T4983] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.440361][ T4983] Call trace: [ 57.440903][ T4983] dump_backtrace+0x0/0x458 [ 57.441636][ T4983] show_stack+0x2c/0x3c [ 57.442406][ T4983] __dump_stack+0x30/0x40 [ 57.443151][ T4983] dump_stack_lvl+0xf4/0x15c [ 57.443931][ T4983] dump_stack+0x1c/0x5c [ 57.444611][ T4983] should_fail+0x3bc/0x514 [ 57.445331][ T4983] __should_failslab+0xbc/0x10c [ 57.446101][ T4983] should_failslab+0x10/0x28 [ 57.446864][ T4983] slab_pre_alloc_hook+0x64/0xe8 [ 57.447665][ T4983] kmem_cache_alloc_trace+0x98/0x3ec [ 57.448501][ T4983] rand_initialize_disk+0x58/0xb8 [ 57.449350][ T4983] __alloc_disk_node+0x2a8/0x450 [ 57.450098][ T4983] __blk_mq_alloc_disk+0xe8/0x154 [ 57.450818][ T4983] loop_add+0x240/0x6e0 [ 57.451437][ T4983] loop_control_ioctl+0x130/0x4e0 [ 57.452218][ T4983] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.452974][ T4983] invoke_syscall+0x98/0x2b0 [ 57.453678][ T4983] el0_svc_common+0x138/0x258 [ 57.454444][ T4983] do_el0_svc+0x58/0x13c [ 57.455132][ T4983] el0_svc+0x78/0x1d0 [ 57.455771][ T4983] el0t_64_sync_handler+0xcc/0xe4 [ 57.456569][ T4983] el0t_64_sync+0x1a0/0x1a4 [ 57.474311][ T4985] FAULT_INJECTION: forcing a failure. [ 57.474311][ T4985] name failslab, interval 1, probability 0, space 0, times 0 [ 57.476382][ T4985] CPU: 0 PID: 4985 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.477915][ T4985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.479666][ T4985] Call trace: [ 57.480215][ T4985] dump_backtrace+0x0/0x458 [ 57.480957][ T4985] show_stack+0x2c/0x3c [ 57.481593][ T4985] __dump_stack+0x30/0x40 [ 57.482276][ T4985] dump_stack_lvl+0xf4/0x15c [ 57.483042][ T4985] dump_stack+0x1c/0x5c [ 57.483785][ T4985] should_fail+0x3bc/0x514 [ 57.484546][ T4985] __should_failslab+0xbc/0x10c [ 57.485395][ T4985] should_failslab+0x10/0x28 [ 57.486132][ T4985] slab_pre_alloc_hook+0x64/0xe8 [ 57.486864][ T4985] kmem_cache_alloc_trace+0x98/0x3ec [ 57.487674][ T4985] device_add+0xbc/0xf90 [ 57.488291][ T4985] device_add_disk+0x2d0/0xacc [ 57.489059][ T4985] loop_add+0x510/0x6e0 [ 57.489714][ T4985] loop_control_ioctl+0x130/0x4e0 [ 57.490594][ T4985] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.491432][ T4985] invoke_syscall+0x98/0x2b0 [ 57.492183][ T4985] el0_svc_common+0x138/0x258 [ 57.492947][ T4985] do_el0_svc+0x58/0x13c [ 57.493641][ T4985] el0_svc+0x78/0x1d0 [ 57.494264][ T4985] el0t_64_sync_handler+0xcc/0xe4 [ 57.495042][ T4985] el0t_64_sync+0x1a0/0x1a4 [ 57.503839][ T4987] FAULT_INJECTION: forcing a failure. [ 57.503839][ T4987] name failslab, interval 1, probability 0, space 0, times 0 [ 57.505822][ T4987] CPU: 1 PID: 4987 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.507261][ T4987] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.508854][ T4987] Call trace: [ 57.509347][ T4987] dump_backtrace+0x0/0x458 [ 57.510075][ T4987] show_stack+0x2c/0x3c [ 57.510771][ T4987] __dump_stack+0x30/0x40 [ 57.511462][ T4987] dump_stack_lvl+0xf4/0x15c [ 57.512198][ T4987] dump_stack+0x1c/0x5c [ 57.512862][ T4987] should_fail+0x3bc/0x514 [ 57.513593][ T4987] __should_failslab+0xbc/0x10c [ 57.514277][ T4987] should_failslab+0x10/0x28 [ 57.514992][ T4987] slab_pre_alloc_hook+0x64/0xe8 [ 57.515785][ T4987] kmem_cache_alloc_trace+0x98/0x3ec [ 57.516688][ T4987] device_add+0xbc/0xf90 [ 57.517380][ T4987] device_add_disk+0x2d0/0xacc [ 57.518182][ T4987] loop_add+0x510/0x6e0 [ 57.518817][ T4987] loop_control_ioctl+0x130/0x4e0 [ 57.519570][ T4987] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.520392][ T4987] invoke_syscall+0x98/0x2b0 [ 57.521129][ T4987] el0_svc_common+0x138/0x258 [ 57.521859][ T4987] do_el0_svc+0x58/0x13c [ 57.522576][ T4987] el0_svc+0x78/0x1d0 [ 57.523233][ T4987] el0t_64_sync_handler+0xcc/0xe4 [ 57.524045][ T4987] el0t_64_sync+0x1a0/0x1a4 [ 57.535750][ T4989] FAULT_INJECTION: forcing a failure. [ 57.535750][ T4989] name failslab, interval 1, probability 0, space 0, times 0 [ 57.537828][ T4989] CPU: 1 PID: 4989 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.539201][ T4989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.540834][ T4989] Call trace: [ 57.541317][ T4989] dump_backtrace+0x0/0x458 [ 57.542031][ T4989] show_stack+0x2c/0x3c [ 57.542641][ T4989] __dump_stack+0x30/0x40 [ 57.543353][ T4989] dump_stack_lvl+0xf4/0x15c [ 57.544072][ T4989] dump_stack+0x1c/0x5c [ 57.544731][ T4989] should_fail+0x3bc/0x514 [ 57.545458][ T4989] __should_failslab+0xbc/0x10c [ 57.546216][ T4989] should_failslab+0x10/0x28 [ 57.546939][ T4989] slab_pre_alloc_hook+0x64/0xe8 [ 57.547740][ T4989] kmem_cache_alloc_trace+0x98/0x3ec [ 57.548604][ T4989] device_add+0xbc/0xf90 [ 57.549290][ T4989] device_add_disk+0x2d0/0xacc [ 57.550053][ T4989] loop_add+0x510/0x6e0 [ 57.550697][ T4989] loop_control_ioctl+0x130/0x4e0 [ 57.551532][ T4989] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.552336][ T4989] invoke_syscall+0x98/0x2b0 [ 57.553046][ T4989] el0_svc_common+0x138/0x258 [ 57.553777][ T4989] do_el0_svc+0x58/0x13c [ 57.554495][ T4989] el0_svc+0x78/0x1d0 [ 57.555159][ T4989] el0t_64_sync_handler+0xcc/0xe4 [ 57.555996][ T4989] el0t_64_sync+0x1a0/0x1a4 [ 57.565568][ T4991] FAULT_INJECTION: forcing a failure. [ 57.565568][ T4991] name failslab, interval 1, probability 0, space 0, times 0 [ 57.567675][ T4991] CPU: 0 PID: 4991 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.569040][ T4991] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.570570][ T4991] Call trace: [ 57.571092][ T4991] dump_backtrace+0x0/0x458 [ 57.571818][ T4991] show_stack+0x2c/0x3c [ 57.572484][ T4991] __dump_stack+0x30/0x40 [ 57.573163][ T4991] dump_stack_lvl+0xf4/0x15c [ 57.573976][ T4991] dump_stack+0x1c/0x5c [ 57.574645][ T4991] should_fail+0x3bc/0x514 [ 57.575365][ T4991] __should_failslab+0xbc/0x10c [ 57.576140][ T4991] should_failslab+0x10/0x28 [ 57.576880][ T4991] slab_pre_alloc_hook+0x64/0xe8 [ 57.577670][ T4991] kmem_cache_alloc+0x94/0x3d4 [ 57.578476][ T4991] security_inode_alloc+0x38/0x11c [ 57.579309][ T4991] inode_init_always+0x670/0xa84 [ 57.580146][ T4991] new_inode_pseudo+0x7c/0x1fc [ 57.580908][ T4991] new_inode+0x38/0x174 [ 57.581568][ T4991] bdev_alloc+0x30/0x1f8 [ 57.582265][ T4991] __alloc_disk_node+0xbc/0x450 [ 57.583014][ T4991] __blk_mq_alloc_disk+0xe8/0x154 [ 57.583856][ T4991] loop_add+0x240/0x6e0 [ 57.584580][ T4991] loop_control_ioctl+0x130/0x4e0 [ 57.585390][ T4991] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.586205][ T4991] invoke_syscall+0x98/0x2b0 [ 57.586988][ T4991] el0_svc_common+0x138/0x258 [ 57.587751][ T4991] do_el0_svc+0x58/0x13c [ 57.588415][ T4991] el0_svc+0x78/0x1d0 [ 57.589015][ T4991] el0t_64_sync_handler+0xcc/0xe4 [ 57.589857][ T4991] el0t_64_sync+0x1a0/0x1a4 [ 57.599450][ T4993] FAULT_INJECTION: forcing a failure. [ 57.599450][ T4993] name failslab, interval 1, probability 0, space 0, times 0 [ 57.601494][ T4993] CPU: 1 PID: 4993 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.602935][ T4993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.604526][ T4993] Call trace: [ 57.605052][ T4993] dump_backtrace+0x0/0x458 [ 57.605822][ T4993] show_stack+0x2c/0x3c [ 57.606498][ T4993] __dump_stack+0x30/0x40 [ 57.607263][ T4993] dump_stack_lvl+0xf4/0x15c [ 57.607950][ T4993] dump_stack+0x1c/0x5c [ 57.608562][ T4993] should_fail+0x3bc/0x514 [ 57.609268][ T4993] __should_failslab+0xbc/0x10c [ 57.610064][ T4993] should_failslab+0x10/0x28 [ 57.610799][ T4993] slab_pre_alloc_hook+0x64/0xe8 [ 57.611590][ T4993] kmem_cache_alloc+0x94/0x3d4 [ 57.612401][ T4993] security_inode_alloc+0x38/0x11c [ 57.613223][ T4993] inode_init_always+0x670/0xa84 [ 57.614020][ T4993] new_inode_pseudo+0x7c/0x1fc [ 57.614782][ T4993] new_inode+0x38/0x174 [ 57.615435][ T4993] bdev_alloc+0x30/0x1f8 [ 57.616178][ T4993] __alloc_disk_node+0xbc/0x450 [ 57.616979][ T4993] __blk_mq_alloc_disk+0xe8/0x154 [ 57.617743][ T4993] loop_add+0x240/0x6e0 [ 57.618409][ T4993] loop_control_ioctl+0x130/0x4e0 [ 57.619248][ T4993] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.620056][ T4993] invoke_syscall+0x98/0x2b0 [ 57.620821][ T4993] el0_svc_common+0x138/0x258 [ 57.621567][ T4993] do_el0_svc+0x58/0x13c [ 57.622264][ T4993] el0_svc+0x78/0x1d0 [ 57.622923][ T4993] el0t_64_sync_handler+0xcc/0xe4 [ 57.623783][ T4993] el0t_64_sync+0x1a0/0x1a4 [ 57.633777][ T4995] FAULT_INJECTION: forcing a failure. [ 57.633777][ T4995] name failslab, interval 1, probability 0, space 0, times 0 [ 57.635884][ T4995] CPU: 1 PID: 4995 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.637392][ T4995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.638968][ T4995] Call trace: [ 57.639496][ T4995] dump_backtrace+0x0/0x458 [ 57.640260][ T4995] show_stack+0x2c/0x3c [ 57.640918][ T4995] __dump_stack+0x30/0x40 [ 57.641655][ T4995] dump_stack_lvl+0xf4/0x15c [ 57.642435][ T4995] dump_stack+0x1c/0x5c [ 57.643125][ T4995] should_fail+0x3bc/0x514 [ 57.643872][ T4995] __should_failslab+0xbc/0x10c [ 57.644671][ T4995] should_failslab+0x10/0x28 [ 57.645469][ T4995] slab_pre_alloc_hook+0x64/0xe8 [ 57.646289][ T4995] kmem_cache_alloc_trace+0x98/0x3ec [ 57.647144][ T4995] device_add+0xbc/0xf90 [ 57.647836][ T4995] device_add_disk+0x2d0/0xacc [ 57.648539][ T4995] loop_add+0x510/0x6e0 [ 57.649214][ T4995] loop_control_ioctl+0x130/0x4e0 [ 57.650005][ T4995] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.650855][ T4995] invoke_syscall+0x98/0x2b0 [ 57.651594][ T4995] el0_svc_common+0x138/0x258 [ 57.652371][ T4995] do_el0_svc+0x58/0x13c [ 57.653045][ T4995] el0_svc+0x78/0x1d0 [ 57.653683][ T4995] el0t_64_sync_handler+0xcc/0xe4 [ 57.654462][ T4995] el0t_64_sync+0x1a0/0x1a4 [ 57.662983][ T4997] FAULT_INJECTION: forcing a failure. [ 57.662983][ T4997] name failslab, interval 1, probability 0, space 0, times 0 [ 57.665017][ T4997] CPU: 0 PID: 4997 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.666513][ T4997] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.668133][ T4997] Call trace: [ 57.668620][ T4997] dump_backtrace+0x0/0x458 [ 57.669361][ T4997] show_stack+0x2c/0x3c [ 57.670074][ T4997] __dump_stack+0x30/0x40 [ 57.670770][ T4997] dump_stack_lvl+0xf4/0x15c [ 57.671487][ T4997] dump_stack+0x1c/0x5c [ 57.672130][ T4997] should_fail+0x3bc/0x514 [ 57.672897][ T4997] __should_failslab+0xbc/0x10c [ 57.673697][ T4997] should_failslab+0x10/0x28 [ 57.674424][ T4997] slab_pre_alloc_hook+0x64/0xe8 [ 57.675195][ T4997] kmem_cache_alloc_trace+0x98/0x3ec [ 57.676139][ T4997] device_add+0xbc/0xf90 [ 57.676878][ T4997] device_add_disk+0x2d0/0xacc [ 57.677649][ T4997] loop_add+0x510/0x6e0 [ 57.678331][ T4997] loop_control_ioctl+0x130/0x4e0 [ 57.679083][ T4997] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.679848][ T4997] invoke_syscall+0x98/0x2b0 [ 57.680553][ T4997] el0_svc_common+0x138/0x258 [ 57.681282][ T4997] do_el0_svc+0x58/0x13c [ 57.681980][ T4997] el0_svc+0x78/0x1d0 [ 57.682589][ T4997] el0t_64_sync_handler+0xcc/0xe4 [ 57.683467][ T4997] el0t_64_sync+0x1a0/0x1a4 [ 57.691521][ T4999] FAULT_INJECTION: forcing a failure. [ 57.691521][ T4999] name failslab, interval 1, probability 0, space 0, times 0 [ 57.693436][ T4999] CPU: 1 PID: 4999 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.694872][ T4999] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.696493][ T4999] Call trace: [ 57.697005][ T4999] dump_backtrace+0x0/0x458 [ 57.697687][ T4999] show_stack+0x2c/0x3c [ 57.698380][ T4999] __dump_stack+0x30/0x40 [ 57.699066][ T4999] dump_stack_lvl+0xf4/0x15c [ 57.699864][ T4999] dump_stack+0x1c/0x5c [ 57.700556][ T4999] should_fail+0x3bc/0x514 [ 57.701256][ T4999] __should_failslab+0xbc/0x10c [ 57.702065][ T4999] should_failslab+0x10/0x28 [ 57.702810][ T4999] slab_pre_alloc_hook+0x64/0xe8 [ 57.703662][ T4999] kmem_cache_alloc_trace+0x98/0x3ec [ 57.704538][ T4999] rand_initialize_disk+0x58/0xb8 [ 57.705440][ T4999] __alloc_disk_node+0x2a8/0x450 [ 57.706250][ T4999] __blk_mq_alloc_disk+0xe8/0x154 [ 57.707110][ T4999] loop_add+0x240/0x6e0 [ 57.707822][ T4999] loop_control_ioctl+0x130/0x4e0 [ 57.708652][ T4999] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.709464][ T4999] invoke_syscall+0x98/0x2b0 [ 57.710248][ T4999] el0_svc_common+0x138/0x258 [ 57.711008][ T4999] do_el0_svc+0x58/0x13c [ 57.711734][ T4999] el0_svc+0x78/0x1d0 [ 57.712396][ T4999] el0t_64_sync_handler+0xcc/0xe4 [ 57.713216][ T4999] el0t_64_sync+0x1a0/0x1a4 [ 57.724618][ T5001] FAULT_INJECTION: forcing a failure. [ 57.724618][ T5001] name failslab, interval 1, probability 0, space 0, times 0 [ 57.726652][ T5001] CPU: 0 PID: 5001 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.728120][ T5001] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.729793][ T5001] Call trace: [ 57.730379][ T5001] dump_backtrace+0x0/0x458 [ 57.731148][ T5001] show_stack+0x2c/0x3c [ 57.731876][ T5001] __dump_stack+0x30/0x40 [ 57.732573][ T5001] dump_stack_lvl+0xf4/0x15c [ 57.733282][ T5001] dump_stack+0x1c/0x5c [ 57.733946][ T5001] should_fail+0x3bc/0x514 [ 57.734653][ T5001] __should_failslab+0xbc/0x10c [ 57.735454][ T5001] should_failslab+0x10/0x28 [ 57.736267][ T5001] slab_pre_alloc_hook+0x64/0xe8 [ 57.737103][ T5001] kmem_cache_alloc+0x94/0x3d4 [ 57.737938][ T5001] security_inode_alloc+0x38/0x11c [ 57.738779][ T5001] inode_init_always+0x670/0xa84 [ 57.739650][ T5001] new_inode_pseudo+0x7c/0x1fc [ 57.740435][ T5001] new_inode+0x38/0x174 [ 57.741164][ T5001] bdev_alloc+0x30/0x1f8 [ 57.741879][ T5001] __alloc_disk_node+0xbc/0x450 [ 57.742657][ T5001] __blk_mq_alloc_disk+0xe8/0x154 [ 57.743495][ T5001] loop_add+0x240/0x6e0 [ 57.744139][ T5001] loop_control_ioctl+0x130/0x4e0 [ 57.744967][ T5001] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.745794][ T5001] invoke_syscall+0x98/0x2b0 [ 57.746539][ T5001] el0_svc_common+0x138/0x258 [ 57.747286][ T5001] do_el0_svc+0x58/0x13c [ 57.747970][ T5001] el0_svc+0x78/0x1d0 [ 57.748590][ T5001] el0t_64_sync_handler+0xcc/0xe4 [ 57.749382][ T5001] el0t_64_sync+0x1a0/0x1a4 [ 57.757999][ T5003] FAULT_INJECTION: forcing a failure. [ 57.757999][ T5003] name failslab, interval 1, probability 0, space 0, times 0 [ 57.760474][ T5003] CPU: 0 PID: 5003 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.761937][ T5003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.763560][ T5003] Call trace: [ 57.764083][ T5003] dump_backtrace+0x0/0x458 [ 57.764818][ T5003] show_stack+0x2c/0x3c [ 57.765479][ T5003] __dump_stack+0x30/0x40 [ 57.766176][ T5003] dump_stack_lvl+0xf4/0x15c [ 57.766875][ T5003] dump_stack+0x1c/0x5c [ 57.767604][ T5003] should_fail+0x3bc/0x514 [ 57.768310][ T5003] __should_failslab+0xbc/0x10c [ 57.769063][ T5003] should_failslab+0x10/0x28 [ 57.769830][ T5003] slab_pre_alloc_hook+0x64/0xe8 [ 57.770708][ T5003] __kmalloc_track_caller+0x70/0x358 [ 57.771579][ T5003] kstrdup+0xe4/0x15c [ 57.772267][ T5003] kstrdup_const+0x54/0x6c [ 57.773004][ T5003] kvasprintf_const+0x120/0x2e4 [ 57.773847][ T5003] kobject_set_name_vargs+0xd8/0x1c8 [ 57.774716][ T5003] dev_set_name+0xe8/0x13c [ 57.775440][ T5003] device_add_disk+0x258/0xacc [ 57.776222][ T5003] loop_add+0x510/0x6e0 [ 57.776946][ T5003] loop_control_ioctl+0x130/0x4e0 [ 57.777772][ T5003] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.778602][ T5003] invoke_syscall+0x98/0x2b0 [ 57.779362][ T5003] el0_svc_common+0x138/0x258 [ 57.780151][ T5003] do_el0_svc+0x58/0x13c [ 57.780839][ T5003] el0_svc+0x78/0x1d0 [ 57.781496][ T5003] el0t_64_sync_handler+0xcc/0xe4 [ 57.782330][ T5003] el0t_64_sync+0x1a0/0x1a4 [ 57.793905][ T5005] FAULT_INJECTION: forcing a failure. [ 57.793905][ T5005] name failslab, interval 1, probability 0, space 0, times 0 [ 57.795987][ T5005] CPU: 1 PID: 5005 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.797386][ T5005] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.798849][ T5005] Call trace: [ 57.799316][ T5005] dump_backtrace+0x0/0x458 [ 57.800055][ T5005] show_stack+0x2c/0x3c [ 57.800787][ T5005] __dump_stack+0x30/0x40 [ 57.801479][ T5005] dump_stack_lvl+0xf4/0x15c [ 57.802157][ T5005] dump_stack+0x1c/0x5c [ 57.802879][ T5005] should_fail+0x3bc/0x514 [ 57.803611][ T5005] __should_failslab+0xbc/0x10c [ 57.804345][ T5005] should_failslab+0x10/0x28 [ 57.805064][ T5005] slab_pre_alloc_hook+0x64/0xe8 [ 57.805795][ T5005] kmem_cache_alloc_trace+0x98/0x3ec [ 57.806684][ T5005] device_add+0xbc/0xf90 [ 57.807351][ T5005] device_add_disk+0x2d0/0xacc [ 57.808117][ T5005] loop_add+0x510/0x6e0 [ 57.808751][ T5005] loop_control_ioctl+0x130/0x4e0 [ 57.809570][ T5005] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.810330][ T5005] invoke_syscall+0x98/0x2b0 [ 57.811013][ T5005] el0_svc_common+0x138/0x258 [ 57.811763][ T5005] do_el0_svc+0x58/0x13c [ 57.812459][ T5005] el0_svc+0x78/0x1d0 [ 57.813083][ T5005] el0t_64_sync_handler+0xcc/0xe4 [ 57.813942][ T5005] el0t_64_sync+0x1a0/0x1a4 [ 57.822196][ T5007] FAULT_INJECTION: forcing a failure. [ 57.822196][ T5007] name failslab, interval 1, probability 0, space 0, times 0 [ 57.824276][ T5007] CPU: 0 PID: 5007 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.825755][ T5007] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.827501][ T5007] Call trace: [ 57.828060][ T5007] dump_backtrace+0x0/0x458 [ 57.828828][ T5007] show_stack+0x2c/0x3c [ 57.829500][ T5007] __dump_stack+0x30/0x40 [ 57.830223][ T5007] dump_stack_lvl+0xf4/0x15c [ 57.831029][ T5007] dump_stack+0x1c/0x5c [ 57.831717][ T5007] should_fail+0x3bc/0x514 [ 57.832462][ T5007] __should_failslab+0xbc/0x10c [ 57.833288][ T5007] should_failslab+0x10/0x28 [ 57.834080][ T5007] slab_pre_alloc_hook+0x64/0xe8 [ 57.834880][ T5007] __kmalloc_track_caller+0x70/0x358 [ 57.835731][ T5007] kstrdup+0xe4/0x15c [ 57.836408][ T5007] kstrdup_const+0x54/0x6c [ 57.837086][ T5007] kvasprintf_const+0x120/0x2e4 [ 57.837883][ T5007] kobject_set_name_vargs+0xd8/0x1c8 [ 57.838780][ T5007] dev_set_name+0xe8/0x13c [ 57.839548][ T5007] device_add_disk+0x258/0xacc [ 57.840366][ T5007] loop_add+0x510/0x6e0 [ 57.841107][ T5007] loop_control_ioctl+0x130/0x4e0 [ 57.841929][ T5007] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.842708][ T5007] invoke_syscall+0x98/0x2b0 [ 57.843555][ T5007] el0_svc_common+0x138/0x258 [ 57.844322][ T5007] do_el0_svc+0x58/0x13c [ 57.845028][ T5007] el0_svc+0x78/0x1d0 [ 57.845677][ T5007] el0t_64_sync_handler+0xcc/0xe4 [ 57.846534][ T5007] el0t_64_sync+0x1a0/0x1a4 [ 57.856221][ T5009] FAULT_INJECTION: forcing a failure. [ 57.856221][ T5009] name failslab, interval 1, probability 0, space 0, times 0 [ 57.858259][ T5009] CPU: 0 PID: 5009 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.859710][ T5009] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.861357][ T5009] Call trace: [ 57.861880][ T5009] dump_backtrace+0x0/0x458 [ 57.862652][ T5009] show_stack+0x2c/0x3c [ 57.863326][ T5009] __dump_stack+0x30/0x40 [ 57.864015][ T5009] dump_stack_lvl+0xf4/0x15c [ 57.864727][ T5009] dump_stack+0x1c/0x5c [ 57.865396][ T5009] should_fail+0x3bc/0x514 [ 57.866163][ T5009] __should_failslab+0xbc/0x10c [ 57.866984][ T5009] should_failslab+0x10/0x28 [ 57.867735][ T5009] slab_pre_alloc_hook+0x64/0xe8 [ 57.868532][ T5009] __kmalloc_track_caller+0x70/0x358 [ 57.869431][ T5009] kstrdup+0xe4/0x15c [ 57.870072][ T5009] kstrdup_const+0x54/0x6c [ 57.870876][ T5009] kvasprintf_const+0x120/0x2e4 [ 57.871691][ T5009] kobject_set_name_vargs+0xd8/0x1c8 [ 57.872577][ T5009] dev_set_name+0xe8/0x13c [ 57.873256][ T5009] device_add_disk+0x258/0xacc [ 57.874041][ T5009] loop_add+0x510/0x6e0 [ 57.874737][ T5009] loop_control_ioctl+0x130/0x4e0 [ 57.875528][ T5009] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.876404][ T5009] invoke_syscall+0x98/0x2b0 [ 57.877186][ T5009] el0_svc_common+0x138/0x258 [ 57.877912][ T5009] do_el0_svc+0x58/0x13c [ 57.878626][ T5009] el0_svc+0x78/0x1d0 [ 57.879289][ T5009] el0t_64_sync_handler+0xcc/0xe4 [ 57.880174][ T5009] el0t_64_sync+0x1a0/0x1a4 [ 57.888438][ T5011] FAULT_INJECTION: forcing a failure. [ 57.888438][ T5011] name failslab, interval 1, probability 0, space 0, times 0 [ 57.890721][ T5011] CPU: 1 PID: 5011 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.892056][ T5011] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.893675][ T5011] Call trace: [ 57.894218][ T5011] dump_backtrace+0x0/0x458 [ 57.894990][ T5011] show_stack+0x2c/0x3c [ 57.895652][ T5011] __dump_stack+0x30/0x40 [ 57.896369][ T5011] dump_stack_lvl+0xf4/0x15c [ 57.897134][ T5011] dump_stack+0x1c/0x5c [ 57.897864][ T5011] should_fail+0x3bc/0x514 [ 57.898584][ T5011] __should_failslab+0xbc/0x10c [ 57.899387][ T5011] should_failslab+0x10/0x28 [ 57.900198][ T5011] slab_pre_alloc_hook+0x64/0xe8 [ 57.901068][ T5011] kmem_cache_alloc+0x94/0x3d4 [ 57.901845][ T5011] bdev_alloc_inode+0x24/0x60 [ 57.902602][ T5011] new_inode_pseudo+0x68/0x1fc [ 57.903362][ T5011] new_inode+0x38/0x174 [ 57.904062][ T5011] bdev_alloc+0x30/0x1f8 [ 57.904748][ T5011] __alloc_disk_node+0xbc/0x450 [ 57.905548][ T5011] __blk_mq_alloc_disk+0xe8/0x154 [ 57.906361][ T5011] loop_add+0x240/0x6e0 [ 57.907042][ T5011] loop_control_ioctl+0x130/0x4e0 [ 57.907857][ T5011] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.908678][ T5011] invoke_syscall+0x98/0x2b0 [ 57.909480][ T5011] el0_svc_common+0x138/0x258 [ 57.910279][ T5011] do_el0_svc+0x58/0x13c [ 57.910993][ T5011] el0_svc+0x78/0x1d0 [ 57.911682][ T5011] el0t_64_sync_handler+0xcc/0xe4 [ 57.912505][ T5011] el0t_64_sync+0x1a0/0x1a4 [ 57.920922][ T5013] FAULT_INJECTION: forcing a failure. [ 57.920922][ T5013] name failslab, interval 1, probability 0, space 0, times 0 [ 57.923047][ T5013] CPU: 1 PID: 5013 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.924555][ T5013] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.926148][ T5013] Call trace: [ 57.926652][ T5013] dump_backtrace+0x0/0x458 [ 57.927362][ T5013] show_stack+0x2c/0x3c [ 57.928013][ T5013] __dump_stack+0x30/0x40 [ 57.928709][ T5013] dump_stack_lvl+0xf4/0x15c [ 57.929439][ T5013] dump_stack+0x1c/0x5c [ 57.930123][ T5013] should_fail+0x3bc/0x514 [ 57.930827][ T5013] __should_failslab+0xbc/0x10c [ 57.931674][ T5013] should_failslab+0x10/0x28 [ 57.932448][ T5013] slab_pre_alloc_hook+0x64/0xe8 [ 57.933260][ T5013] __kmalloc_track_caller+0x70/0x358 [ 57.934115][ T5013] kstrdup+0xe4/0x15c [ 57.934784][ T5013] kstrdup_const+0x54/0x6c [ 57.935567][ T5013] kvasprintf_const+0x120/0x2e4 [ 57.936364][ T5013] kobject_set_name_vargs+0xd8/0x1c8 [ 57.937234][ T5013] dev_set_name+0xe8/0x13c [ 57.937955][ T5013] device_add_disk+0x258/0xacc [ 57.938746][ T5013] loop_add+0x510/0x6e0 [ 57.939429][ T5013] loop_control_ioctl+0x130/0x4e0 [ 57.940273][ T5013] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.941056][ T5013] invoke_syscall+0x98/0x2b0 [ 57.941801][ T5013] el0_svc_common+0x138/0x258 [ 57.942570][ T5013] do_el0_svc+0x58/0x13c [ 57.943301][ T5013] el0_svc+0x78/0x1d0 [ 57.943920][ T5013] el0t_64_sync_handler+0xcc/0xe4 [ 57.944797][ T5013] el0t_64_sync+0x1a0/0x1a4 [ 57.953596][ T5015] FAULT_INJECTION: forcing a failure. [ 57.953596][ T5015] name failslab, interval 1, probability 0, space 0, times 0 [ 57.955597][ T5015] CPU: 0 PID: 5015 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.956999][ T5015] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.958660][ T5015] Call trace: [ 57.959198][ T5015] dump_backtrace+0x0/0x458 [ 57.959969][ T5015] show_stack+0x2c/0x3c [ 57.960676][ T5015] __dump_stack+0x30/0x40 [ 57.961401][ T5015] dump_stack_lvl+0xf4/0x15c [ 57.962142][ T5015] dump_stack+0x1c/0x5c [ 57.962775][ T5015] should_fail+0x3bc/0x514 [ 57.963460][ T5015] __should_failslab+0xbc/0x10c [ 57.964247][ T5015] should_failslab+0x10/0x28 [ 57.964949][ T5015] slab_pre_alloc_hook+0x64/0xe8 [ 57.965723][ T5015] kmem_cache_alloc_trace+0x98/0x3ec [ 57.966587][ T5015] device_add+0xbc/0xf90 [ 57.967307][ T5015] device_add_disk+0x2d0/0xacc [ 57.968050][ T5015] loop_add+0x510/0x6e0 [ 57.968705][ T5015] loop_control_ioctl+0x130/0x4e0 [ 57.969507][ T5015] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.970272][ T5015] invoke_syscall+0x98/0x2b0 [ 57.970982][ T5015] el0_svc_common+0x138/0x258 [ 57.971730][ T5015] do_el0_svc+0x58/0x13c [ 57.972401][ T5015] el0_svc+0x78/0x1d0 [ 57.973062][ T5015] el0t_64_sync_handler+0xcc/0xe4 [ 57.973869][ T5015] el0t_64_sync+0x1a0/0x1a4 [ 57.982057][ T5017] FAULT_INJECTION: forcing a failure. [ 57.982057][ T5017] name failslab, interval 1, probability 0, space 0, times 0 [ 57.984189][ T5017] CPU: 1 PID: 5017 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.985690][ T5017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 57.987305][ T5017] Call trace: [ 57.987803][ T5017] dump_backtrace+0x0/0x458 [ 57.988573][ T5017] show_stack+0x2c/0x3c [ 57.989288][ T5017] __dump_stack+0x30/0x40 [ 57.989982][ T5017] dump_stack_lvl+0xf4/0x15c [ 57.990714][ T5017] dump_stack+0x1c/0x5c [ 57.991352][ T5017] should_fail+0x3bc/0x514 [ 57.992083][ T5017] __should_failslab+0xbc/0x10c [ 57.992837][ T5017] should_failslab+0x10/0x28 [ 57.993601][ T5017] slab_pre_alloc_hook+0x64/0xe8 [ 57.994393][ T5017] __kmalloc_track_caller+0x70/0x358 [ 57.995204][ T5017] kstrdup+0xe4/0x15c [ 57.995813][ T5017] kstrdup_const+0x54/0x6c [ 57.996530][ T5017] kvasprintf_const+0x120/0x2e4 [ 57.997317][ T5017] kobject_set_name_vargs+0xd8/0x1c8 [ 57.998150][ T5017] dev_set_name+0xe8/0x13c [ 57.998864][ T5017] device_add_disk+0x258/0xacc [ 57.999645][ T5017] loop_add+0x510/0x6e0 [ 58.000341][ T5017] loop_control_ioctl+0x130/0x4e0 [ 58.001180][ T5017] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.001991][ T5017] invoke_syscall+0x98/0x2b0 [ 58.002695][ T5017] el0_svc_common+0x138/0x258 [ 58.003610][ T5017] do_el0_svc+0x58/0x13c [ 58.004308][ T5017] el0_svc+0x78/0x1d0 [ 58.004994][ T5017] el0t_64_sync_handler+0xcc/0xe4 [ 58.005766][ T5017] el0t_64_sync+0x1a0/0x1a4 [ 58.014397][ T5019] FAULT_INJECTION: forcing a failure. [ 58.014397][ T5019] name failslab, interval 1, probability 0, space 0, times 0 [ 58.016447][ T5019] CPU: 1 PID: 5019 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.017909][ T5019] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 58.019558][ T5019] Call trace: [ 58.020119][ T5019] dump_backtrace+0x0/0x458 [ 58.020880][ T5019] show_stack+0x2c/0x3c [ 58.021550][ T5019] __dump_stack+0x30/0x40 [ 58.022214][ T5019] dump_stack_lvl+0xf4/0x15c [ 58.022923][ T5019] dump_stack+0x1c/0x5c [ 58.023609][ T5019] should_fail+0x3bc/0x514 [ 58.024340][ T5019] __should_failslab+0xbc/0x10c [ 58.025124][ T5019] should_failslab+0x10/0x28 [ 58.025893][ T5019] slab_pre_alloc_hook+0x64/0xe8 [ 58.026668][ T5019] kmem_cache_alloc_trace+0x98/0x3ec [ 58.027553][ T5019] rand_initialize_disk+0x58/0xb8 [ 58.028365][ T5019] __alloc_disk_node+0x2a8/0x450 [ 58.029184][ T5019] __blk_mq_alloc_disk+0xe8/0x154 [ 58.030044][ T5019] loop_add+0x240/0x6e0 [ 58.030758][ T5019] loop_control_ioctl+0x130/0x4e0 [ 58.031612][ T5019] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.032368][ T5019] invoke_syscall+0x98/0x2b0 [ 58.033190][ T5019] el0_svc_common+0x138/0x258 [ 58.033929][ T5019] do_el0_svc+0x58/0x13c [ 58.034625][ T5019] el0_svc+0x78/0x1d0 [ 58.035265][ T5019] el0t_64_sync_handler+0xcc/0xe4 [ 58.036138][ T5019] el0t_64_sync+0x1a0/0x1a4 [ 58.048732][ T5021] FAULT_INJECTION: forcing a failure. [ 58.048732][ T5021] name failslab, interval 1, probability 0, space 0, times 0 [ 58.050951][ T5021] CPU: 0 PID: 5021 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.052323][ T5021] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 58.053996][ T5021] Call trace: [ 58.054551][ T5021] dump_backtrace+0x0/0x458 [ 58.055294][ T5021] show_stack+0x2c/0x3c [ 58.056049][ T5021] __dump_stack+0x30/0x40 [ 58.056758][ T5021] dump_stack_lvl+0xf4/0x15c [ 58.057496][ T5021] dump_stack+0x1c/0x5c [ 58.058172][ T5021] should_fail+0x3bc/0x514 [ 58.058924][ T5021] __should_failslab+0xbc/0x10c [ 58.059774][ T5021] should_failslab+0x10/0x28 [ 58.060573][ T5021] slab_pre_alloc_hook+0x64/0xe8 [ 58.061434][ T5021] __kmalloc_track_caller+0x70/0x358 [ 58.062353][ T5021] kstrdup+0xe4/0x15c [ 58.063030][ T5021] kstrdup_const+0x54/0x6c [ 58.063774][ T5021] kvasprintf_const+0x120/0x2e4 [ 58.064581][ T5021] kobject_set_name_vargs+0xd8/0x1c8 [ 58.065447][ T5021] dev_set_name+0xe8/0x13c [ 58.066152][ T5021] device_add_disk+0x258/0xacc [ 58.066966][ T5021] loop_add+0x510/0x6e0 [ 58.067675][ T5021] loop_control_ioctl+0x130/0x4e0 [ 58.068483][ T5021] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.069378][ T5021] invoke_syscall+0x98/0x2b0 [ 58.070154][ T5021] el0_svc_common+0x138/0x258 [ 58.070953][ T5021] do_el0_svc+0x58/0x13c [ 58.071674][ T5021] el0_svc+0x78/0x1d0 [ 58.072318][ T5021] el0t_64_sync_handler+0xcc/0xe4 [ 58.073143][ T5021] el0t_64_sync+0x1a0/0x1a4 [ 58.082883][ T5023] FAULT_INJECTION: forcing a failure. [ 58.082883][ T5023] name failslab, interval 1, probability 0, space 0, times 0 [ 58.084987][ T5023] CPU: 0 PID: 5023 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.086511][ T5023] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 58.088152][ T5023] Call trace: [ 58.088654][ T5023] dump_backtrace+0x0/0x458 [ 58.089348][ T5023] show_stack+0x2c/0x3c [ 58.090028][ T5023] __dump_stack+0x30/0x40 [ 58.090707][ T5023] dump_stack_lvl+0xf4/0x15c [ 58.091456][ T5023] dump_stack+0x1c/0x5c [ 58.092146][ T5023] should_fail+0x3bc/0x514 [ 58.092867][ T5023] __should_failslab+0xbc/0x10c [ 58.093653][ T5023] should_failslab+0x10/0x28 [ 58.094354][ T5023] slab_pre_alloc_hook+0x64/0xe8 [ 58.095133][ T5023] __kmalloc_track_caller+0x70/0x358 [ 58.096095][ T5023] kstrdup+0xe4/0x15c [ 58.096813][ T5023] kstrdup_const+0x54/0x6c [ 58.097544][ T5023] kvasprintf_const+0x120/0x2e4 [ 58.098354][ T5023] kobject_set_name_vargs+0xd8/0x1c8 [ 58.099199][ T5023] dev_set_name+0xe8/0x13c [ 58.099904][ T5023] device_add_disk+0x258/0xacc [ 58.100668][ T5023] loop_add+0x510/0x6e0 [ 58.101362][ T5023] loop_control_ioctl+0x130/0x4e0 [ 58.102203][ T5023] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.103067][ T5023] invoke_syscall+0x98/0x2b0 [ 58.103810][ T5023] el0_svc_common+0x138/0x258 [ 58.104570][ T5023] do_el0_svc+0x58/0x13c [ 58.105247][ T5023] el0_svc+0x78/0x1d0 [ 58.105869][ T5023] el0t_64_sync_handler+0xcc/0xe4 [ 58.106665][ T5023] el0t_64_sync+0x1a0/0x1a4 1970/01/01 00:00:58 executed programs: 264 [ 58.116019][ T5025] FAULT_INJECTION: forcing a failure. [ 58.116019][ T5025] name failslab, interval 1, probability 0, space 0, times 0 [ 58.118186][ T5025] CPU: 0 PID: 5025 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.119723][ T5025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 58.121345][ T5025] Call trace: [ 58.121863][ T5025] dump_backtrace+0x0/0x458 [ 58.122567][ T5025] show_stack+0x2c/0x3c [ 58.123225][ T5025] __dump_stack+0x30/0x40 [ 58.123894][ T5025] dump_stack_lvl+0xf4/0x15c [ 58.124582][ T5025] dump_stack+0x1c/0x5c [ 58.125232][ T5025] should_fail+0x3bc/0x514 [ 58.125908][ T5025] __should_failslab+0xbc/0x10c [ 58.126713][ T5025] should_failslab+0x10/0x28 [ 58.127422][ T5025] slab_pre_alloc_hook+0x64/0xe8 [ 58.128252][ T5025] kmem_cache_alloc_trace+0x98/0x3ec [ 58.129096][ T5025] rand_initialize_disk+0x58/0xb8 [ 58.129940][ T5025] __alloc_disk_node+0x2a8/0x450 [ 58.130769][ T5025] __blk_mq_alloc_disk+0xe8/0x154 [ 58.131639][ T5025] loop_add+0x240/0x6e0 [ 58.132335][ T5025] loop_control_ioctl+0x130/0x4e0 [ 58.133126][ T5025] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.133909][ T5025] invoke_syscall+0x98/0x2b0 [ 58.134646][ T5025] el0_svc_common+0x138/0x258 [ 58.135388][ T5025] do_el0_svc+0x58/0x13c [ 58.136078][ T5025] el0_svc+0x78/0x1d0 [ 58.136733][ T5025] el0t_64_sync_handler+0xcc/0xe4 [ 58.137544][ T5025] el0t_64_sync+0x1a0/0x1a4 [ 58.148942][ T5027] FAULT_INJECTION: forcing a failure. [ 58.148942][ T5027] name failslab, interval 1, probability 0, space 0, times 0 [ 58.151233][ T5027] CPU: 0 PID: 5027 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.152637][ T5027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 58.154278][ T5027] Call trace: [ 58.154810][ T5027] dump_backtrace+0x0/0x458 [ 58.155516][ T5027] show_stack+0x2c/0x3c [ 58.156171][ T5027] __dump_stack+0x30/0x40 [ 58.156856][ T5027] dump_stack_lvl+0xf4/0x15c [ 58.157609][ T5027] dump_stack+0x1c/0x5c [ 58.158302][ T5027] should_fail+0x3bc/0x514 [ 58.159030][ T5027] __should_failslab+0xbc/0x10c [ 58.159791][ T5027] should_failslab+0x10/0x28 [ 58.160511][ T5027] slab_pre_alloc_hook+0x64/0xe8 [ 58.161286][ T5027] kmem_cache_alloc+0x94/0x3d4 [ 58.162124][ T5027] security_inode_alloc+0x38/0x11c [ 58.162966][ T5027] inode_init_always+0x670/0xa84 [ 58.163735][ T5027] new_inode_pseudo+0x7c/0x1fc [ 58.164516][ T5027] new_inode+0x38/0x174 [ 58.165175][ T5027] bdev_alloc+0x30/0x1f8 [ 58.165868][ T5027] __alloc_disk_node+0xbc/0x450 [ 58.166640][ T5027] __blk_mq_alloc_disk+0xe8/0x154 [ 58.167491][ T5027] loop_add+0x240/0x6e0 [ 58.168215][ T5027] loop_control_ioctl+0x130/0x4e0 [ 58.169075][ T5027] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.169910][ T5027] invoke_syscall+0x98/0x2b0 [ 58.170688][ T5027] el0_svc_common+0x138/0x258 [ 58.171463][ T5027] do_el0_svc+0x58/0x13c [ 58.172167][ T5027] el0_svc+0x78/0x1d0 [ 58.172809][ T5027] el0t_64_sync_handler+0xcc/0xe4 [ 58.173661][ T5027] el0t_64_sync+0x1a0/0x1a4 [ 58.181665][ T5029] FAULT_INJECTION: forcing a failure. [ 58.181665][ T5029] name failslab, interval 1, probability 0, space 0, times 0 [ 58.183693][ T5029] CPU: 0 PID: 5029 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.185110][ T5029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 58.186787][ T5029] Call trace: [ 58.187339][ T5029] dump_backtrace+0x0/0x458 [ 58.188071][ T5029] show_stack+0x2c/0x3c [ 58.188735][ T5029] __dump_stack+0x30/0x40 [ 58.189488][ T5029] dump_stack_lvl+0xf4/0x15c [ 58.190295][ T5029] dump_stack+0x1c/0x5c [ 58.191009][ T5029] should_fail+0x3bc/0x514 [ 58.191747][ T5029] __should_failslab+0xbc/0x10c [ 58.192550][ T5029] should_failslab+0x10/0x28 [ 58.193303][ T5029] slab_pre_alloc_hook+0x64/0xe8 [ 58.194119][ T5029] kmem_cache_alloc_trace+0x98/0x3ec [ 58.194937][ T5029] rand_initialize_disk+0x58/0xb8 [ 58.195733][ T5029] __alloc_disk_node+0x2a8/0x450 [ 58.196569][ T5029] __blk_mq_alloc_disk+0xe8/0x154 [ 58.197364][ T5029] loop_add+0x240/0x6e0 [ 58.198068][ T5029] loop_control_ioctl+0x130/0x4e0 [ 58.198855][ T5029] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.199673][ T5029] invoke_syscall+0x98/0x2b0 [ 58.200433][ T5029] el0_svc_common+0x138/0x258 [ 58.201202][ T5029] do_el0_svc+0x58/0x13c [ 58.201900][ T5029] el0_svc+0x78/0x1d0 [ 58.202534][ T5029] el0t_64_sync_handler+0xcc/0xe4 [ 58.203319][ T5029] el0t_64_sync+0x1a0/0x1a4 [ 58.214837][ T5031] FAULT_INJECTION: forcing a failure. [ 58.214837][ T5031] name failslab, interval 1, probability 0, space 0, times 0 [ 58.216866][ T5031] CPU: 0 PID: 5031 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.218389][ T5031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 58.220076][ T5031] Call trace: [ 58.220605][ T5031] dump_backtrace+0x0/0x458 [ 58.221377][ T5031] show_stack+0x2c/0x3c [ 58.222076][ T5031] __dump_stack+0x30/0x40 [ 58.222799][ T5031] dump_stack_lvl+0xf4/0x15c [ 58.223576][ T5031] dump_stack+0x1c/0x5c [ 58.224258][ T5031] should_fail+0x3bc/0x514 [ 58.224979][ T5031] __should_failslab+0xbc/0x10c [ 58.225788][ T5031] should_failslab+0x10/0x28 [ 58.226519][ T5031] slab_pre_alloc_hook+0x64/0xe8 [ 58.227309][ T5031] kmem_cache_alloc_trace+0x98/0x3ec [ 58.228174][ T5031] device_add+0xbc/0xf90 [ 58.228932][ T5031] device_add_disk+0x2d0/0xacc [ 58.229703][ T5031] loop_add+0x510/0x6e0 [ 58.230377][ T5031] loop_control_ioctl+0x130/0x4e0 [ 58.231195][ T5031] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.231970][ T5031] invoke_syscall+0x98/0x2b0 [ 58.232706][ T5031] el0_svc_common+0x138/0x258 [ 58.233451][ T5031] do_el0_svc+0x58/0x13c [ 58.234113][ T5031] el0_svc+0x78/0x1d0 [ 58.234816][ T5031] el0t_64_sync_handler+0xcc/0xe4 [ 58.235666][ T5031] el0t_64_sync+0x1a0/0x1a4 [ 58.245298][ T5033] FAULT_INJECTION: forcing a failure. [ 58.245298][ T5033] name failslab, interval 1, probability 0, space 0, times 0 [ 58.247393][ T5033] CPU: 0 PID: 5033 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.248924][ T5033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 58.250524][ T5033] Call trace: [ 58.251064][ T5033] dump_backtrace+0x0/0x458 [ 58.251788][ T5033] show_stack+0x2c/0x3c [ 58.252433][ T5033] __dump_stack+0x30/0x40 [ 58.253193][ T5033] dump_stack_lvl+0xf4/0x15c [ 58.253966][ T5033] dump_stack+0x1c/0x5c [ 58.254761][ T5033] should_fail+0x3bc/0x514 [ 58.255545][ T5033] __should_failslab+0xbc/0x10c [ 58.256369][ T5033] should_failslab+0x10/0x28 [ 58.257108][ T5033] slab_pre_alloc_hook+0x64/0xe8 [ 58.257919][ T5033] __kmalloc_track_caller+0x70/0x358 [ 58.258786][ T5033] kstrdup+0xe4/0x15c [ 58.259451][ T5033] kstrdup_const+0x54/0x6c [ 58.260172][ T5033] kvasprintf_const+0x120/0x2e4 [ 58.260978][ T5033] kobject_set_name_vargs+0xd8/0x1c8 [ 58.261839][ T5033] dev_set_name+0xe8/0x13c [ 58.262579][ T5033] device_add_disk+0x258/0xacc [ 58.263324][ T5033] loop_add+0x510/0x6e0 [ 58.263994][ T5033] loop_control_ioctl+0x130/0x4e0 [ 58.264746][ T5033] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.265514][ T5033] invoke_syscall+0x98/0x2b0 [ 58.266247][ T5033] el0_svc_common+0x138/0x258 [ 58.266971][ T5033] do_el0_svc+0x58/0x13c [ 58.267638][ T5033] el0_svc+0x78/0x1d0 [ 58.268286][ T5033] el0t_64_sync_handler+0xcc/0xe4 [ 58.269104][ T5033] el0t_64_sync+0x1a0/0x1a4 [ 58.277818][ T5035] FAULT_INJECTION: forcing a failure. [ 58.277818][ T5035] name failslab, interval 1, probability 0, space 0, times 0 [ 58.280401][ T5035] CPU: 0 PID: 5035 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.282006][ T5035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 58.283572][ T5035] Call trace: [ 58.284147][ T5035] dump_backtrace+0x0/0x458 [ 58.284855][ T5035] show_stack+0x2c/0x3c [ 58.285521][ T5035] __dump_stack+0x30/0x40 [ 58.286226][ T5035] dump_stack_lvl+0xf4/0x15c [ 58.286899][ T5035] dump_stack+0x1c/0x5c [ 58.287570][ T5035] should_fail+0x3bc/0x514 [ 58.288316][ T5035] __should_failslab+0xbc/0x10c [ 58.289103][ T5035] should_failslab+0x10/0x28 [ 58.289902][ T5035] slab_pre_alloc_hook+0x64/0xe8 [ 58.290735][ T5035] kmem_cache_alloc+0x94/0x3d4 [ 58.291542][ T5035] security_inode_alloc+0x38/0x11c [ 58.292372][ T5035] inode_init_always+0x670/0xa84 [ 58.293182][ T5035] new_inode_pseudo+0x7c/0x1fc [ 58.293922][ T5035] new_inode+0x38/0x174 [ 58.294574][ T5035] bdev_alloc+0x30/0x1f8 [ 58.295326][ T5035] __alloc_disk_node+0xbc/0x450 [ 58.296102][ T5035] __blk_mq_alloc_disk+0xe8/0x154 [ 58.296855][ T5035] loop_add+0x240/0x6e0 [ 58.297560][ T5035] loop_control_ioctl+0x130/0x4e0 [ 58.298416][ T5035] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.299223][ T5035] invoke_syscall+0x98/0x2b0 [ 58.299965][ T5035] el0_svc_common+0x138/0x258 [ 58.300712][ T5035] do_el0_svc+0x58/0x13c [ 58.301386][ T5035] el0_svc+0x78/0x1d0 [ 58.302048][ T5035] el0t_64_sync_handler+0xcc/0xe4 [ 58.302876][ T5035] el0t_64_sync+0x1a0/0x1a4 [ 58.313244][ T5037] FAULT_INJECTION: forcing a failure. [ 58.313244][ T5037] name failslab, interval 1, probability 0, space 0, times 0 [ 58.315308][ T5037] CPU: 1 PID: 5037 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.316722][ T5037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 58.318280][ T5037] Call trace: [ 58.318808][ T5037] dump_backtrace+0x0/0x458 [ 58.319520][ T5037] show_stack+0x2c/0x3c [ 58.320166][ T5037] __dump_stack+0x30/0x40 [ 58.320903][ T5037] dump_stack_lvl+0xf4/0x15c [ 58.321662][ T5037] dump_stack+0x1c/0x5c [ 58.322338][ T5037] should_fail+0x3bc/0x514 [ 58.323039][ T5037] __should_failslab+0xbc/0x10c [ 58.323812][ T5037] should_failslab+0x10/0x28 [ 58.324548][ T5037] slab_pre_alloc_hook+0x64/0xe8 [ 58.325341][ T5037] __kmalloc_track_caller+0x70/0x358 [ 58.326186][ T5037] kstrdup+0xe4/0x15c [ 58.326821][ T5037] kstrdup_const+0x54/0x6c [ 58.327520][ T5037] kvasprintf_const+0x120/0x2e4 [ 58.328263][ T5037] kobject_set_name_vargs+0xd8/0x1c8 [ 58.329144][ T5037] dev_set_name+0xe8/0x13c [ 58.329800][ T5037] device_add_disk+0x258/0xacc [ 58.330575][ T5037] loop_add+0x510/0x6e0 [ 58.331221][ T5037] loop_control_ioctl+0x130/0x4e0 [ 58.331995][ T5037] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.332814][ T5037] invoke_syscall+0x98/0x2b0 [ 58.333528][ T5037] el0_svc_common+0x138/0x258 [ 58.334227][ T5037] do_el0_svc+0x58/0x13c [ 58.334866][ T5037] el0_svc+0x78/0x1d0 [ 58.335506][ T5037] el0t_64_sync_handler+0xcc/0xe4 [ 58.336223][ T5037] el0t_64_sync+0x1a0/0x1a4 [ 58.346053][ T5039] FAULT_INJECTION: forcing a failure. [ 58.346053][ T5039] name failslab, interval 1, probability 0, space 0, times 0 [ 58.347995][ T5039] CPU: 0 PID: 5039 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.349443][ T5039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 58.351095][ T5039] Call trace: [ 58.351595][ T5039] dump_backtrace+0x0/0x458 [ 58.352322][ T5039] show_stack+0x2c/0x3c [ 58.352954][ T5039] __dump_stack+0x30/0x40 [ 58.353676][ T5039] dump_stack_lvl+0xf4/0x15c [ 58.354416][ T5039] dump_stack+0x1c/0x5c [ 58.355058][ T5039] should_fail+0x3bc/0x514 [ 58.355734][ T5039] __should_failslab+0xbc/0x10c [ 58.356520][ T5039] should_failslab+0x10/0x28 [ 58.357242][ T5039] slab_pre_alloc_hook+0x64/0xe8 [ 58.358013][ T5039] kmem_cache_alloc_trace+0x98/0x3ec [ 58.358881][ T5039] rand_initialize_disk+0x58/0xb8 [ 58.359741][ T5039] __alloc_disk_node+0x2a8/0x450 [ 58.360592][ T5039] __blk_mq_alloc_disk+0xe8/0x154 [ 58.361432][ T5039] loop_add+0x240/0x6e0 [ 58.362103][ T5039] loop_control_ioctl+0x130/0x4e0 [ 58.362891][ T5039] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.363685][ T5039] invoke_syscall+0x98/0x2b0 [ 58.364409][ T5039] el0_svc_common+0x138/0x258 [ 58.365157][ T5039] do_el0_svc+0x58/0x13c [ 58.365823][ T5039] el0_svc+0x78/0x1d0 [ 58.366436][ T5039] el0t_64_sync_handler+0xcc/0xe4 [ 58.367242][ T5039] el0t_64_sync+0x1a0/0x1a4 [ 58.379390][ T5041] FAULT_INJECTION: forcing a failure. [ 58.379390][ T5041] name failslab, interval 1, probability 0, space 0, times 0 [ 58.381402][ T5041] CPU: 1 PID: 5041 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.382847][ T5041] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 58.384444][ T5041] Call trace: [ 58.384931][ T5041] dump_backtrace+0x0/0x458 [ 58.385647][ T5041] show_stack+0x2c/0x3c [ 58.386352][ T5041] __dump_stack+0x30/0x40 [ 58.387079][ T5041] dump_stack_lvl+0xf4/0x15c [ 58.387841][ T5041] dump_stack+0x1c/0x5c [ 58.388501][ T5041] should_fail+0x3bc/0x514 [ 58.389190][ T5041] __should_failslab+0xbc/0x10c [ 58.389989][ T5041] should_failslab+0x10/0x28 [ 58.390701][ T5041] slab_pre_alloc_hook+0x64/0xe8 [ 58.391536][ T5041] kmem_cache_alloc_trace+0x98/0x3ec [ 58.392389][ T5041] device_add+0xbc/0xf90 [ 58.393044][ T5041] device_add_disk+0x2d0/0xacc [ 58.393765][ T5041] loop_add+0x510/0x6e0 [ 58.394402][ T5041] loop_control_ioctl+0x130/0x4e0 [ 58.395179][ T5041] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.395909][ T5041] invoke_syscall+0x98/0x2b0 [ 58.396629][ T5041] el0_svc_common+0x138/0x258 [ 58.397281][ T5041] do_el0_svc+0x58/0x13c [ 58.397913][ T5041] el0_svc+0x78/0x1d0 [ 58.398567][ T5041] el0t_64_sync_handler+0xcc/0xe4 [ 58.399421][ T5041] el0t_64_sync+0x1a0/0x1a4 [ 58.408778][ T5043] FAULT_INJECTION: forcing a failure. [ 58.408778][ T5043] name failslab, interval 1, probability 0, space 0, times 0 [ 58.411304][ T5043] CPU: 0 PID: 5043 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.412839][ T5043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 58.414419][ T5043] Call trace: [ 58.414976][ T5043] dump_backtrace+0x0/0x458 [ 58.415690][ T5043] show_stack+0x2c/0x3c [ 58.416332][ T5043] __dump_stack+0x30/0x40 [ 58.417023][ T5043] dump_stack_lvl+0xf4/0x15c [ 58.417716][ T5043] dump_stack+0x1c/0x5c [ 58.418347][ T5043] should_fail+0x3bc/0x514 [ 58.419063][ T5043] __should_failslab+0xbc/0x10c [ 58.419837][ T5043] should_failslab+0x10/0x28 [ 58.420619][ T5043] slab_pre_alloc_hook+0x64/0xe8 [ 58.421494][ T5043] kmem_cache_alloc_trace+0x98/0x3ec [ 58.422415][ T5043] device_add+0xbc/0xf90 [ 58.423152][ T5043] device_add_disk+0x2d0/0xacc [ 58.423925][ T5043] loop_add+0x510/0x6e0 [ 58.424631][ T5043] loop_control_ioctl+0x130/0x4e0 [ 58.425498][ T5043] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.426321][ T5043] invoke_syscall+0x98/0x2b0 [ 58.427152][ T5043] el0_svc_common+0x138/0x258 [ 58.427900][ T5043] do_el0_svc+0x58/0x13c [ 58.428615][ T5043] el0_svc+0x78/0x1d0 [ 58.429266][ T5043] el0t_64_sync_handler+0xcc/0xe4 [ 58.430124][ T5043] el0t_64_sync+0x1a0/0x1a4 [ 58.438877][ T5045] FAULT_INJECTION: forcing a failure. [ 58.438877][ T5045] name failslab, interval 1, probability 0, space 0, times 0 [ 58.441081][ T5045] CPU: 1 PID: 5045 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.442473][ T5045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 58.444018][ T5045] Call trace: [ 58.444521][ T5045] dump_backtrace+0x0/0x458 [ 58.445190][ T5045] show_stack+0x2c/0x3c [ 58.445795][ T5045] __dump_stack+0x30/0x40 [ 58.446440][ T5045] dump_stack_lvl+0xf4/0x15c [ 58.447144][ T5045] dump_stack+0x1c/0x5c [ 58.447732][ T5045] should_fail+0x3bc/0x514 [ 58.448391][ T5045] __should_failslab+0xbc/0x10c [ 58.449142][ T5045] should_failslab+0x10/0x28 [ 58.449868][ T5045] slab_pre_alloc_hook+0x64/0xe8 [ 58.450669][ T5045] kmem_cache_alloc_trace+0x98/0x3ec [ 58.451532][ T5045] rand_initialize_disk+0x58/0xb8 [ 58.452406][ T5045] __alloc_disk_node+0x2a8/0x450 [ 58.453192][ T5045] __blk_mq_alloc_disk+0xe8/0x154 [ 58.454015][ T5045] loop_add+0x240/0x6e0 [ 58.454691][ T5045] loop_control_ioctl+0x130/0x4e0 [ 58.455502][ T5045] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.456253][ T5045] invoke_syscall+0x98/0x2b0 [ 58.456976][ T5045] el0_svc_common+0x138/0x258 [ 58.457737][ T5045] do_el0_svc+0x58/0x13c [ 58.458415][ T5045] el0_svc+0x78/0x1d0 [ 58.459022][ T5045] el0t_64_sync_handler+0xcc/0xe4 [ 58.459817][ T5045] el0t_64_sync+0x1a0/0x1a4 [ 58.472706][ T5047] FAULT_INJECTION: forcing a failure. [ 58.472706][ T5047] name failslab, interval 1, probability 0, space 0, times 0 [ 58.474668][ T5047] CPU: 0 PID: 5047 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.476078][ T5047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 58.477698][ T5047] Call trace: [ 58.478216][ T5047] dump_backtrace+0x0/0x458 [ 58.478900][ T5047] show_stack+0x2c/0x3c [ 58.479560][ T5047] __dump_stack+0x30/0x40 [ 58.480309][ T5047] dump_stack_lvl+0xf4/0x15c [ 58.481091][ T5047] dump_stack+0x1c/0x5c [ 58.481756][ T5047] should_fail+0x3bc/0x514 [ 58.482481][ T5047] __should_failslab+0xbc/0x10c [ 58.483282][ T5047] should_failslab+0x10/0x28 [ 58.484008][ T5047] slab_pre_alloc_hook+0x64/0xe8 [ 58.484812][ T5047] kmem_cache_alloc_trace+0x98/0x3ec [ 58.485715][ T5047] device_add+0xbc/0xf90 [ 58.486412][ T5047] device_add_disk+0x2d0/0xacc [ 58.487216][ T5047] loop_add+0x510/0x6e0 [ 58.487877][ T5047] loop_control_ioctl+0x130/0x4e0 [ 58.488641][ T5047] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.489448][ T5047] invoke_syscall+0x98/0x2b0 [ 58.490211][ T5047] el0_svc_common+0x138/0x258 [ 58.491005][ T5047] do_el0_svc+0x58/0x13c [ 58.491675][ T5047] el0_svc+0x78/0x1d0 [ 58.492329][ T5047] el0t_64_sync_handler+0xcc/0xe4 [ 58.493130][ T5047] el0t_64_sync+0x1a0/0x1a4 [ 58.502809][ T5049] FAULT_INJECTION: forcing a failure. [ 58.502809][ T5049] name failslab, interval 1, probability 0, space 0, times 0 [ 58.504725][ T5049] CPU: 1 PID: 5049 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.506143][ T5049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 58.507738][ T5049] Call trace: [ 58.508290][ T5049] dump_backtrace+0x0/0x458 [ 58.509032][ T5049] show_stack+0x2c/0x3c [ 58.509653][ T5049] __dump_stack+0x30/0x40 [ 58.510377][ T5049] dump_stack_lvl+0xf4/0x15c [ 58.511170][ T5049] dump_stack+0x1c/0x5c [ 58.511828][ T5049] should_fail+0x3bc/0x514 [ 58.512545][ T5049] __should_failslab+0xbc/0x10c [ 58.513323][ T5049] should_failslab+0x10/0x28 [ 58.514125][ T5049] slab_pre_alloc_hook+0x64/0xe8 [ 58.514940][ T5049] __kmalloc_track_caller+0x70/0x358 [ 58.515784][ T5049] kstrdup+0xe4/0x15c [ 58.516486][ T5049] kstrdup_const+0x54/0x6c [ 58.517226][ T5049] kvasprintf_const+0x120/0x2e4 [ 58.518008][ T5049] kobject_set_name_vargs+0xd8/0x1c8 [ 58.518840][ T5049] dev_set_name+0xe8/0x13c [ 58.519576][ T5049] device_add_disk+0x258/0xacc [ 58.520338][ T5049] loop_add+0x510/0x6e0 [ 58.520974][ T5049] loop_control_ioctl+0x130/0x4e0 [ 58.521794][ T5049] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.522661][ T5049] invoke_syscall+0x98/0x2b0 [ 58.523343][ T5049] el0_svc_common+0x138/0x258 [ 58.524045][ T5049] do_el0_svc+0x58/0x13c [ 58.524791][ T5049] el0_svc+0x78/0x1d0 [ 58.525479][ T5049] el0t_64_sync_handler+0xcc/0xe4 [ 58.526325][ T5049] el0t_64_sync+0x1a0/0x1a4 [ 58.535406][ T5051] FAULT_INJECTION: forcing a failure. [ 58.535406][ T5051] name failslab, interval 1, probability 0, space 0, times 0 [ 58.537493][ T5051] CPU: 0 PID: 5051 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.539064][ T5051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 58.540760][ T5051] Call trace: [ 58.541288][ T5051] dump_backtrace+0x0/0x458 [ 58.542035][ T5051] show_stack+0x2c/0x3c [ 58.542754][ T5051] __dump_stack+0x30/0x40 [ 58.543456][ T5051] dump_stack_lvl+0xf4/0x15c [ 58.544189][ T5051] dump_stack+0x1c/0x5c [ 58.544870][ T5051] should_fail+0x3bc/0x514 [ 58.545558][ T5051] __should_failslab+0xbc/0x10c [ 58.546377][ T5051] should_failslab+0x10/0x28 [ 58.547086][ T5051] slab_pre_alloc_hook+0x64/0xe8 [ 58.547851][ T5051] kmem_cache_alloc_trace+0x98/0x3ec [ 58.548758][ T5051] rand_initialize_disk+0x58/0xb8 [ 58.549621][ T5051] __alloc_disk_node+0x2a8/0x450 [ 58.550462][ T5051] __blk_mq_alloc_disk+0xe8/0x154 [ 58.551304][ T5051] loop_add+0x240/0x6e0 [ 58.552016][ T5051] loop_control_ioctl+0x130/0x4e0 [ 58.552795][ T5051] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.553600][ T5051] invoke_syscall+0x98/0x2b0 [ 58.554347][ T5051] el0_svc_common+0x138/0x258 [ 58.555096][ T5051] do_el0_svc+0x58/0x13c [ 58.555780][ T5051] el0_svc+0x78/0x1d0 [ 58.556414][ T5051] el0t_64_sync_handler+0xcc/0xe4 [ 58.557208][ T5051] el0t_64_sync+0x1a0/0x1a4 [ 58.573413][ T5053] FAULT_INJECTION: forcing a failure. [ 58.573413][ T5053] name failslab, interval 1, probability 0, space 0, times 0 [ 58.575543][ T5053] CPU: 0 PID: 5053 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.577034][ T5053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 58.578682][ T5053] Call trace: [ 58.579222][ T5053] dump_backtrace+0x0/0x458 [ 58.579952][ T5053] show_stack+0x2c/0x3c [ 58.580624][ T5053] __dump_stack+0x30/0x40 [ 58.581340][ T5053] dump_stack_lvl+0xf4/0x15c [ 58.582132][ T5053] dump_stack+0x1c/0x5c [ 58.582833][ T5053] should_fail+0x3bc/0x514 [ 58.583572][ T5053] __should_failslab+0xbc/0x10c [ 58.584361][ T5053] should_failslab+0x10/0x28 [ 58.585108][ T5053] slab_pre_alloc_hook+0x64/0xe8 [ 58.585970][ T5053] kmem_cache_alloc_trace+0x98/0x3ec [ 58.586899][ T5053] device_add+0xbc/0xf90 [ 58.587638][ T5053] device_add_disk+0x2d0/0xacc [ 58.588448][ T5053] loop_add+0x510/0x6e0 [ 58.589129][ T5053] loop_control_ioctl+0x130/0x4e0 [ 58.589937][ T5053] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.590796][ T5053] invoke_syscall+0x98/0x2b0 [ 58.591551][ T5053] el0_svc_common+0x138/0x258 [ 58.592305][ T5053] do_el0_svc+0x58/0x13c [ 58.592982][ T5053] el0_svc+0x78/0x1d0 [ 58.593664][ T5053] el0t_64_sync_handler+0xcc/0xe4 [ 58.594527][ T5053] el0t_64_sync+0x1a0/0x1a4 [ 58.603528][ T5055] FAULT_INJECTION: forcing a failure. [ 58.603528][ T5055] name failslab, interval 1, probability 0, space 0, times 0 [ 58.605473][ T5055] CPU: 1 PID: 5055 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.606944][ T5055] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 58.608513][ T5055] Call trace: [ 58.609034][ T5055] dump_backtrace+0x0/0x458 [ 58.609826][ T5055] show_stack+0x2c/0x3c [ 58.610533][ T5055] __dump_stack+0x30/0x40 [ 58.611235][ T5055] dump_stack_lvl+0xf4/0x15c [ 58.612024][ T5055] dump_stack+0x1c/0x5c [ 58.612680][ T5055] should_fail+0x3bc/0x514 [ 58.613376][ T5055] __should_failslab+0xbc/0x10c [ 58.614137][ T5055] should_failslab+0x10/0x28 [ 58.614910][ T5055] slab_pre_alloc_hook+0x64/0xe8 [ 58.615776][ T5055] kmem_cache_alloc+0x94/0x3d4 [ 58.616566][ T5055] bdev_alloc_inode+0x24/0x60 [ 58.617327][ T5055] new_inode_pseudo+0x68/0x1fc [ 58.618156][ T5055] new_inode+0x38/0x174 [ 58.618825][ T5055] bdev_alloc+0x30/0x1f8 [ 58.619546][ T5055] __alloc_disk_node+0xbc/0x450 [ 58.620335][ T5055] __blk_mq_alloc_disk+0xe8/0x154 [ 58.621142][ T5055] loop_add+0x240/0x6e0 [ 58.621815][ T5055] loop_control_ioctl+0x130/0x4e0 [ 58.622648][ T5055] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.623474][ T5055] invoke_syscall+0x98/0x2b0 [ 58.624296][ T5055] el0_svc_common+0x138/0x258 [ 58.625072][ T5055] do_el0_svc+0x58/0x13c [ 58.625781][ T5055] el0_svc+0x78/0x1d0 [ 58.626380][ T5055] el0t_64_sync_handler+0xcc/0xe4 [ 58.627082][ T5055] el0t_64_sync+0x1a0/0x1a4 [ 58.637350][ T5057] FAULT_INJECTION: forcing a failure. [ 58.637350][ T5057] name failslab, interval 1, probability 0, space 0, times 0 [ 58.639493][ T5057] CPU: 1 PID: 5057 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.640850][ T5057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 58.642550][ T5057] Call trace: [ 58.643110][ T5057] dump_backtrace+0x0/0x458 [ 58.643817][ T5057] show_stack+0x2c/0x3c [ 58.644498][ T5057] __dump_stack+0x30/0x40 [ 58.645178][ T5057] dump_stack_lvl+0xf4/0x15c [ 58.645934][ T5057] dump_stack+0x1c/0x5c [ 58.646617][ T5057] should_fail+0x3bc/0x514 [ 58.647307][ T5057] __should_failslab+0xbc/0x10c [ 58.648109][ T5057] should_failslab+0x10/0x28 [ 58.648763][ T5057] slab_pre_alloc_hook+0x64/0xe8 [ 58.649530][ T5057] kmem_cache_alloc_trace+0x98/0x3ec [ 58.650346][ T5057] rand_initialize_disk+0x58/0xb8 [ 58.651186][ T5057] __alloc_disk_node+0x2a8/0x450 [ 58.652001][ T5057] __blk_mq_alloc_disk+0xe8/0x154 [ 58.652816][ T5057] loop_add+0x240/0x6e0 [ 58.653526][ T5057] loop_control_ioctl+0x130/0x4e0 [ 58.654380][ T5057] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.655217][ T5057] invoke_syscall+0x98/0x2b0 [ 58.655963][ T5057] el0_svc_common+0x138/0x258 [ 58.656737][ T5057] do_el0_svc+0x58/0x13c [ 58.657499][ T5057] el0_svc+0x78/0x1d0 [ 58.658168][ T5057] el0t_64_sync_handler+0xcc/0xe4 [ 58.658941][ T5057] el0t_64_sync+0x1a0/0x1a4 [ 58.671446][ T5059] FAULT_INJECTION: forcing a failure. [ 58.671446][ T5059] name failslab, interval 1, probability 0, space 0, times 0 [ 58.673654][ T5059] CPU: 0 PID: 5059 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.675139][ T5059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 58.676788][ T5059] Call trace: [ 58.677295][ T5059] dump_backtrace+0x0/0x458 [ 58.678024][ T5059] show_stack+0x2c/0x3c [ 58.678718][ T5059] __dump_stack+0x30/0x40 [ 58.679454][ T5059] dump_stack_lvl+0xf4/0x15c [ 58.680204][ T5059] dump_stack+0x1c/0x5c [ 58.680915][ T5059] should_fail+0x3bc/0x514 [ 58.681643][ T5059] __should_failslab+0xbc/0x10c [ 58.682436][ T5059] should_failslab+0x10/0x28 [ 58.683153][ T5059] slab_pre_alloc_hook+0x64/0xe8 [ 58.683954][ T5059] kmem_cache_alloc_trace+0x98/0x3ec [ 58.684886][ T5059] rand_initialize_disk+0x58/0xb8 [ 58.685780][ T5059] __alloc_disk_node+0x2a8/0x450 [ 58.686647][ T5059] __blk_mq_alloc_disk+0xe8/0x154 [ 58.687500][ T5059] loop_add+0x240/0x6e0 [ 58.688244][ T5059] loop_control_ioctl+0x130/0x4e0 [ 58.689063][ T5059] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.689911][ T5059] invoke_syscall+0x98/0x2b0 [ 58.690724][ T5059] el0_svc_common+0x138/0x258 [ 58.691522][ T5059] do_el0_svc+0x58/0x13c [ 58.692253][ T5059] el0_svc+0x78/0x1d0 [ 58.692903][ T5059] el0t_64_sync_handler+0xcc/0xe4 [ 58.693725][ T5059] el0t_64_sync+0x1a0/0x1a4 [ 58.705841][ T5061] FAULT_INJECTION: forcing a failure. [ 58.705841][ T5061] name failslab, interval 1, probability 0, space 0, times 0 [ 58.708033][ T5061] CPU: 0 PID: 5061 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.709524][ T5061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 58.711155][ T5061] Call trace: [ 58.711720][ T5061] dump_backtrace+0x0/0x458 [ 58.712478][ T5061] show_stack+0x2c/0x3c [ 58.713206][ T5061] __dump_stack+0x30/0x40 [ 58.713856][ T5061] dump_stack_lvl+0xf4/0x15c [ 58.714628][ T5061] dump_stack+0x1c/0x5c [ 58.715330][ T5061] should_fail+0x3bc/0x514 [ 58.716047][ T5061] __should_failslab+0xbc/0x10c [ 58.716818][ T5061] should_failslab+0x10/0x28 [ 58.717583][ T5061] slab_pre_alloc_hook+0x64/0xe8 [ 58.718421][ T5061] __kmalloc_track_caller+0x70/0x358 [ 58.719320][ T5061] kstrdup+0xe4/0x15c [ 58.719970][ T5061] kstrdup_const+0x54/0x6c [ 58.720700][ T5061] kvasprintf_const+0x120/0x2e4 [ 58.721510][ T5061] kobject_set_name_vargs+0xd8/0x1c8 [ 58.722370][ T5061] dev_set_name+0xe8/0x13c [ 58.723138][ T5061] device_add_disk+0x258/0xacc [ 58.723884][ T5061] loop_add+0x510/0x6e0 [ 58.724563][ T5061] loop_control_ioctl+0x130/0x4e0 [ 58.725395][ T5061] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.726241][ T5061] invoke_syscall+0x98/0x2b0 [ 58.727020][ T5061] el0_svc_common+0x138/0x258 [ 58.727803][ T5061] do_el0_svc+0x58/0x13c [ 58.728498][ T5061] el0_svc+0x78/0x1d0 [ 58.729101][ T5061] el0t_64_sync_handler+0xcc/0xe4 [ 58.729927][ T5061] el0t_64_sync+0x1a0/0x1a4 [ 58.739920][ T5063] FAULT_INJECTION: forcing a failure. [ 58.739920][ T5063] name failslab, interval 1, probability 0, space 0, times 0 [ 58.741909][ T5063] CPU: 0 PID: 5063 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.743367][ T5063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 58.745124][ T5063] Call trace: [ 58.745699][ T5063] dump_backtrace+0x0/0x458 [ 58.746490][ T5063] show_stack+0x2c/0x3c [ 58.747153][ T5063] __dump_stack+0x30/0x40 [ 58.747848][ T5063] dump_stack_lvl+0xf4/0x15c [ 58.748530][ T5063] dump_stack+0x1c/0x5c [ 58.749200][ T5063] should_fail+0x3bc/0x514 [ 58.749908][ T5063] __should_failslab+0xbc/0x10c [ 58.750711][ T5063] should_failslab+0x10/0x28 [ 58.751424][ T5063] slab_pre_alloc_hook+0x64/0xe8 [ 58.752277][ T5063] kmem_cache_alloc_trace+0x98/0x3ec [ 58.753209][ T5063] rand_initialize_disk+0x58/0xb8 [ 58.754039][ T5063] __alloc_disk_node+0x2a8/0x450 [ 58.754874][ T5063] __blk_mq_alloc_disk+0xe8/0x154 [ 58.755768][ T5063] loop_add+0x240/0x6e0 [ 58.756461][ T5063] loop_control_ioctl+0x130/0x4e0 [ 58.757311][ T5063] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.758112][ T5063] invoke_syscall+0x98/0x2b0 [ 58.758877][ T5063] el0_svc_common+0x138/0x258 [ 58.759674][ T5063] do_el0_svc+0x58/0x13c [ 58.760372][ T5063] el0_svc+0x78/0x1d0 [ 58.761041][ T5063] el0t_64_sync_handler+0xcc/0xe4 [ 58.761837][ T5063] el0t_64_sync+0x1a0/0x1a4 [ 58.773567][ T5065] FAULT_INJECTION: forcing a failure. [ 58.773567][ T5065] name failslab, interval 1, probability 0, space 0, times 0 [ 58.775842][ T5065] CPU: 0 PID: 5065 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.777317][ T5065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 58.778903][ T5065] Call trace: [ 58.779392][ T5065] dump_backtrace+0x0/0x458 [ 58.780286][ T5065] show_stack+0x2c/0x3c [ 58.781067][ T5065] __dump_stack+0x30/0x40 [ 58.781803][ T5065] dump_stack_lvl+0xf4/0x15c [ 58.782613][ T5065] dump_stack+0x1c/0x5c [ 58.783355][ T5065] should_fail+0x3bc/0x514 [ 58.784068][ T5065] __should_failslab+0xbc/0x10c [ 58.784869][ T5065] should_failslab+0x10/0x28 [ 58.785646][ T5065] slab_pre_alloc_hook+0x64/0xe8 [ 58.786514][ T5065] kmem_cache_alloc_trace+0x98/0x3ec [ 58.787420][ T5065] rand_initialize_disk+0x58/0xb8 [ 58.788315][ T5065] __alloc_disk_node+0x2a8/0x450 [ 58.789207][ T5065] __blk_mq_alloc_disk+0xe8/0x154 [ 58.790059][ T5065] loop_add+0x240/0x6e0 [ 58.790712][ T5065] loop_control_ioctl+0x130/0x4e0 [ 58.791540][ T5065] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.792310][ T5065] invoke_syscall+0x98/0x2b0 [ 58.793183][ T5065] el0_svc_common+0x138/0x258 [ 58.793964][ T5065] do_el0_svc+0x58/0x13c [ 58.794685][ T5065] el0_svc+0x78/0x1d0 [ 58.795404][ T5065] el0t_64_sync_handler+0xcc/0xe4 [ 58.796326][ T5065] el0t_64_sync+0x1a0/0x1a4 [ 58.808088][ T5067] FAULT_INJECTION: forcing a failure. [ 58.808088][ T5067] name failslab, interval 1, probability 0, space 0, times 0 [ 58.810262][ T5067] CPU: 0 PID: 5067 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.811830][ T5067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 58.813524][ T5067] Call trace: [ 58.814019][ T5067] dump_backtrace+0x0/0x458 [ 58.814798][ T5067] show_stack+0x2c/0x3c [ 58.815451][ T5067] __dump_stack+0x30/0x40 [ 58.816143][ T5067] dump_stack_lvl+0xf4/0x15c [ 58.816917][ T5067] dump_stack+0x1c/0x5c [ 58.817637][ T5067] should_fail+0x3bc/0x514 [ 58.818404][ T5067] __should_failslab+0xbc/0x10c [ 58.819226][ T5067] should_failslab+0x10/0x28 [ 58.820011][ T5067] slab_pre_alloc_hook+0x64/0xe8 [ 58.820820][ T5067] kmem_cache_alloc_trace+0x98/0x3ec [ 58.821751][ T5067] device_add+0xbc/0xf90 [ 58.822523][ T5067] device_add_disk+0x2d0/0xacc [ 58.823344][ T5067] loop_add+0x510/0x6e0 [ 58.824040][ T5067] loop_control_ioctl+0x130/0x4e0 [ 58.824902][ T5067] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.825693][ T5067] invoke_syscall+0x98/0x2b0 [ 58.826442][ T5067] el0_svc_common+0x138/0x258 [ 58.827274][ T5067] do_el0_svc+0x58/0x13c [ 58.828044][ T5067] el0_svc+0x78/0x1d0 [ 58.828742][ T5067] el0t_64_sync_handler+0xcc/0xe4 [ 58.829604][ T5067] el0t_64_sync+0x1a0/0x1a4 [ 58.838655][ T5069] FAULT_INJECTION: forcing a failure. [ 58.838655][ T5069] name failslab, interval 1, probability 0, space 0, times 0 [ 58.840805][ T5069] CPU: 0 PID: 5069 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.842337][ T5069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 58.843968][ T5069] Call trace: [ 58.844513][ T5069] dump_backtrace+0x0/0x458 [ 58.845268][ T5069] show_stack+0x2c/0x3c [ 58.845936][ T5069] __dump_stack+0x30/0x40 [ 58.846591][ T5069] dump_stack_lvl+0xf4/0x15c [ 58.847297][ T5069] dump_stack+0x1c/0x5c [ 58.847955][ T5069] should_fail+0x3bc/0x514 [ 58.848699][ T5069] __should_failslab+0xbc/0x10c [ 58.849571][ T5069] should_failslab+0x10/0x28 [ 58.850361][ T5069] slab_pre_alloc_hook+0x64/0xe8 [ 58.851197][ T5069] kmem_cache_alloc_trace+0x98/0x3ec [ 58.852118][ T5069] rand_initialize_disk+0x58/0xb8 [ 58.852914][ T5069] __alloc_disk_node+0x2a8/0x450 [ 58.853686][ T5069] __blk_mq_alloc_disk+0xe8/0x154 [ 58.854488][ T5069] loop_add+0x240/0x6e0 [ 58.855224][ T5069] loop_control_ioctl+0x130/0x4e0 [ 58.856012][ T5069] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.856863][ T5069] invoke_syscall+0x98/0x2b0 [ 58.857578][ T5069] el0_svc_common+0x138/0x258 [ 58.858279][ T5069] do_el0_svc+0x58/0x13c [ 58.858982][ T5069] el0_svc+0x78/0x1d0 [ 58.859723][ T5069] el0t_64_sync_handler+0xcc/0xe4 [ 58.860604][ T5069] el0t_64_sync+0x1a0/0x1a4 [ 58.874428][ T5071] FAULT_INJECTION: forcing a failure. [ 58.874428][ T5071] name failslab, interval 1, probability 0, space 0, times 0 [ 58.876486][ T5071] CPU: 1 PID: 5071 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.877876][ T5071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 58.879531][ T5071] Call trace: [ 58.880079][ T5071] dump_backtrace+0x0/0x458 [ 58.880877][ T5071] show_stack+0x2c/0x3c [ 58.881541][ T5071] __dump_stack+0x30/0x40 [ 58.882240][ T5071] dump_stack_lvl+0xf4/0x15c [ 58.883006][ T5071] dump_stack+0x1c/0x5c [ 58.883711][ T5071] should_fail+0x3bc/0x514 [ 58.884468][ T5071] __should_failslab+0xbc/0x10c [ 58.885325][ T5071] should_failslab+0x10/0x28 [ 58.886012][ T5071] slab_pre_alloc_hook+0x64/0xe8 [ 58.886802][ T5071] kmem_cache_alloc_trace+0x98/0x3ec [ 58.887625][ T5071] device_add+0xbc/0xf90 [ 58.888287][ T5071] device_add_disk+0x2d0/0xacc [ 58.889023][ T5071] loop_add+0x510/0x6e0 [ 58.889695][ T5071] loop_control_ioctl+0x130/0x4e0 [ 58.890576][ T5071] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.891371][ T5071] invoke_syscall+0x98/0x2b0 [ 58.892079][ T5071] el0_svc_common+0x138/0x258 [ 58.892896][ T5071] do_el0_svc+0x58/0x13c [ 58.893530][ T5071] el0_svc+0x78/0x1d0 [ 58.894167][ T5071] el0t_64_sync_handler+0xcc/0xe4 [ 58.895034][ T5071] el0t_64_sync+0x1a0/0x1a4 [ 58.904308][ T5073] FAULT_INJECTION: forcing a failure. [ 58.904308][ T5073] name failslab, interval 1, probability 0, space 0, times 0 [ 58.906524][ T5073] CPU: 0 PID: 5073 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.908018][ T5073] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 58.909679][ T5073] Call trace: [ 58.910220][ T5073] dump_backtrace+0x0/0x458 [ 58.910965][ T5073] show_stack+0x2c/0x3c [ 58.911683][ T5073] __dump_stack+0x30/0x40 [ 58.912405][ T5073] dump_stack_lvl+0xf4/0x15c [ 58.913187][ T5073] dump_stack+0x1c/0x5c [ 58.913910][ T5073] should_fail+0x3bc/0x514 [ 58.914663][ T5073] __should_failslab+0xbc/0x10c [ 58.915434][ T5073] should_failslab+0x10/0x28 [ 58.916235][ T5073] slab_pre_alloc_hook+0x64/0xe8 [ 58.917010][ T5073] __kmalloc_track_caller+0x70/0x358 [ 58.917862][ T5073] kstrdup+0xe4/0x15c [ 58.918485][ T5073] kstrdup_const+0x54/0x6c [ 58.919184][ T5073] kvasprintf_const+0x120/0x2e4 [ 58.919964][ T5073] kobject_set_name_vargs+0xd8/0x1c8 [ 58.920820][ T5073] dev_set_name+0xe8/0x13c [ 58.921583][ T5073] device_add_disk+0x258/0xacc [ 58.922362][ T5073] loop_add+0x510/0x6e0 [ 58.923078][ T5073] loop_control_ioctl+0x130/0x4e0 [ 58.923954][ T5073] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.924814][ T5073] invoke_syscall+0x98/0x2b0 [ 58.925576][ T5073] el0_svc_common+0x138/0x258 [ 58.926418][ T5073] do_el0_svc+0x58/0x13c [ 58.927135][ T5073] el0_svc+0x78/0x1d0 [ 58.927770][ T5073] el0t_64_sync_handler+0xcc/0xe4 [ 58.928608][ T5073] el0t_64_sync+0x1a0/0x1a4 [ 58.936347][ T5075] FAULT_INJECTION: forcing a failure. [ 58.936347][ T5075] name failslab, interval 1, probability 0, space 0, times 0 [ 58.938399][ T5075] CPU: 1 PID: 5075 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.939846][ T5075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 58.941522][ T5075] Call trace: [ 58.942039][ T5075] dump_backtrace+0x0/0x458 [ 58.942801][ T5075] show_stack+0x2c/0x3c [ 58.943501][ T5075] __dump_stack+0x30/0x40 [ 58.944218][ T5075] dump_stack_lvl+0xf4/0x15c [ 58.944979][ T5075] dump_stack+0x1c/0x5c [ 58.945674][ T5075] should_fail+0x3bc/0x514 [ 58.946408][ T5075] __should_failslab+0xbc/0x10c [ 58.947208][ T5075] should_failslab+0x10/0x28 [ 58.947960][ T5075] slab_pre_alloc_hook+0x64/0xe8 [ 58.948765][ T5075] __kmalloc_track_caller+0x70/0x358 [ 58.949642][ T5075] kstrdup+0xe4/0x15c [ 58.950236][ T5075] kstrdup_const+0x54/0x6c [ 58.951009][ T5075] kvasprintf_const+0x120/0x2e4 [ 58.951835][ T5075] kobject_set_name_vargs+0xd8/0x1c8 [ 58.952651][ T5075] dev_set_name+0xe8/0x13c [ 58.953349][ T5075] device_add_disk+0x258/0xacc [ 58.954143][ T5075] loop_add+0x510/0x6e0 [ 58.954795][ T5075] loop_control_ioctl+0x130/0x4e0 [ 58.955623][ T5075] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.956518][ T5075] invoke_syscall+0x98/0x2b0 [ 58.957246][ T5075] el0_svc_common+0x138/0x258 [ 58.957985][ T5075] do_el0_svc+0x58/0x13c [ 58.958658][ T5075] el0_svc+0x78/0x1d0 [ 58.959299][ T5075] el0t_64_sync_handler+0xcc/0xe4 [ 58.960058][ T5075] el0t_64_sync+0x1a0/0x1a4 [ 58.969910][ T5077] FAULT_INJECTION: forcing a failure. [ 58.969910][ T5077] name failslab, interval 1, probability 0, space 0, times 0 [ 58.972159][ T5077] CPU: 0 PID: 5077 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.973608][ T5077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 58.975354][ T5077] Call trace: [ 58.975895][ T5077] dump_backtrace+0x0/0x458 [ 58.976644][ T5077] show_stack+0x2c/0x3c [ 58.977341][ T5077] __dump_stack+0x30/0x40 [ 58.978067][ T5077] dump_stack_lvl+0xf4/0x15c [ 58.978879][ T5077] dump_stack+0x1c/0x5c [ 58.979560][ T5077] should_fail+0x3bc/0x514 [ 58.980268][ T5077] __should_failslab+0xbc/0x10c [ 58.981065][ T5077] should_failslab+0x10/0x28 [ 58.981801][ T5077] slab_pre_alloc_hook+0x64/0xe8 [ 58.982568][ T5077] kmem_cache_alloc_trace+0x98/0x3ec [ 58.983433][ T5077] device_add+0xbc/0xf90 [ 58.984119][ T5077] device_add_disk+0x2d0/0xacc [ 58.984859][ T5077] loop_add+0x510/0x6e0 [ 58.985511][ T5077] loop_control_ioctl+0x130/0x4e0 [ 58.986289][ T5077] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.987131][ T5077] invoke_syscall+0x98/0x2b0 [ 58.987895][ T5077] el0_svc_common+0x138/0x258 [ 58.988686][ T5077] do_el0_svc+0x58/0x13c [ 58.989400][ T5077] el0_svc+0x78/0x1d0 [ 58.990038][ T5077] el0t_64_sync_handler+0xcc/0xe4 [ 58.990818][ T5077] el0t_64_sync+0x1a0/0x1a4 [ 59.000188][ T5079] FAULT_INJECTION: forcing a failure. [ 59.000188][ T5079] name failslab, interval 1, probability 0, space 0, times 0 [ 59.002373][ T5079] CPU: 1 PID: 5079 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.003909][ T5079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 59.005568][ T5079] Call trace: [ 59.006090][ T5079] dump_backtrace+0x0/0x458 [ 59.006858][ T5079] show_stack+0x2c/0x3c [ 59.007486][ T5079] __dump_stack+0x30/0x40 [ 59.008161][ T5079] dump_stack_lvl+0xf4/0x15c [ 59.008891][ T5079] dump_stack+0x1c/0x5c [ 59.009538][ T5079] should_fail+0x3bc/0x514 [ 59.010207][ T5079] __should_failslab+0xbc/0x10c [ 59.010874][ T5079] should_failslab+0x10/0x28 [ 59.011529][ T5079] slab_pre_alloc_hook+0x64/0xe8 [ 59.012289][ T5079] kmem_cache_alloc_trace+0x98/0x3ec [ 59.013176][ T5079] device_add+0xbc/0xf90 [ 59.013843][ T5079] device_add_disk+0x2d0/0xacc [ 59.014584][ T5079] loop_add+0x510/0x6e0 [ 59.015260][ T5079] loop_control_ioctl+0x130/0x4e0 [ 59.016075][ T5079] __arm64_sys_ioctl+0x14c/0x1c8 [ 59.016897][ T5079] invoke_syscall+0x98/0x2b0 [ 59.017630][ T5079] el0_svc_common+0x138/0x258 [ 59.018376][ T5079] do_el0_svc+0x58/0x13c [ 59.019078][ T5079] el0_svc+0x78/0x1d0 [ 59.019724][ T5079] el0t_64_sync_handler+0xcc/0xe4 [ 59.020470][ T5079] el0t_64_sync+0x1a0/0x1a4 [ 59.029042][ T5081] FAULT_INJECTION: forcing a failure. [ 59.029042][ T5081] name failslab, interval 1, probability 0, space 0, times 0 [ 59.031307][ T5081] CPU: 0 PID: 5081 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.032757][ T5081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 59.034300][ T5081] Call trace: [ 59.034818][ T5081] dump_backtrace+0x0/0x458 [ 59.035574][ T5081] show_stack+0x2c/0x3c [ 59.036285][ T5081] __dump_stack+0x30/0x40 [ 59.036941][ T5081] dump_stack_lvl+0xf4/0x15c [ 59.037664][ T5081] dump_stack+0x1c/0x5c [ 59.038364][ T5081] should_fail+0x3bc/0x514 [ 59.039029][ T5081] __should_failslab+0xbc/0x10c [ 59.039835][ T5081] should_failslab+0x10/0x28 [ 59.040544][ T5081] slab_pre_alloc_hook+0x64/0xe8 [ 59.041300][ T5081] __kmalloc_track_caller+0x70/0x358 [ 59.042127][ T5081] kstrdup+0xe4/0x15c [ 59.042825][ T5081] kstrdup_const+0x54/0x6c [ 59.043591][ T5081] kvasprintf_const+0x120/0x2e4 [ 59.044446][ T5081] kobject_set_name_vargs+0xd8/0x1c8 [ 59.045385][ T5081] dev_set_name+0xe8/0x13c [ 59.046066][ T5081] device_add_disk+0x258/0xacc [ 59.046875][ T5081] loop_add+0x510/0x6e0 [ 59.047560][ T5081] loop_control_ioctl+0x130/0x4e0 [ 59.048415][ T5081] __arm64_sys_ioctl+0x14c/0x1c8 [ 59.049248][ T5081] invoke_syscall+0x98/0x2b0 [ 59.050021][ T5081] el0_svc_common+0x138/0x258 [ 59.050838][ T5081] do_el0_svc+0x58/0x13c [ 59.051531][ T5081] el0_svc+0x78/0x1d0 [ 59.052227][ T5081] el0t_64_sync_handler+0xcc/0xe4 [ 59.053047][ T5081] el0t_64_sync+0x1a0/0x1a4 [ 59.062030][ T5083] FAULT_INJECTION: forcing a failure. [ 59.062030][ T5083] name failslab, interval 1, probability 0, space 0, times 0 [ 59.064073][ T5083] CPU: 0 PID: 5083 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.065571][ T5083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 59.067168][ T5083] Call trace: [ 59.067676][ T5083] dump_backtrace+0x0/0x458 [ 59.068423][ T5083] show_stack+0x2c/0x3c [ 59.069101][ T5083] __dump_stack+0x30/0x40 [ 59.069819][ T5083] dump_stack_lvl+0xf4/0x15c [ 59.070590][ T5083] dump_stack+0x1c/0x5c [ 59.071291][ T5083] should_fail+0x3bc/0x514 [ 59.072007][ T5083] __should_failslab+0xbc/0x10c [ 59.072756][ T5083] should_failslab+0x10/0x28 [ 59.073540][ T5083] slab_pre_alloc_hook+0x64/0xe8 [ 59.074387][ T5083] kmem_cache_alloc+0x94/0x3d4 [ 59.075214][ T5083] security_inode_alloc+0x38/0x11c [ 59.076025][ T5083] inode_init_always+0x670/0xa84 [ 59.076779][ T5083] new_inode_pseudo+0x7c/0x1fc [ 59.077540][ T5083] new_inode+0x38/0x174 [ 59.078171][ T5083] bdev_alloc+0x30/0x1f8 [ 59.078839][ T5083] __alloc_disk_node+0xbc/0x450 [ 59.079658][ T5083] __blk_mq_alloc_disk+0xe8/0x154 [ 59.080419][ T5083] loop_add+0x240/0x6e0 [ 59.081082][ T5083] loop_control_ioctl+0x130/0x4e0 [ 59.081866][ T5083] __arm64_sys_ioctl+0x14c/0x1c8 [ 59.082680][ T5083] invoke_syscall+0x98/0x2b0 [ 59.083407][ T5083] el0_svc_common+0x138/0x258 [ 59.084138][ T5083] do_el0_svc+0x58/0x13c [ 59.084874][ T5083] el0_svc+0x78/0x1d0 [ 59.085506][ T5083] el0t_64_sync_handler+0xcc/0xe4 [ 59.086285][ T5083] el0t_64_sync+0x1a0/0x1a4 [ 59.095352][ T5085] FAULT_INJECTION: forcing a failure. [ 59.095352][ T5085] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 59.097622][ T5085] CPU: 0 PID: 5085 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.099118][ T5085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 59.100899][ T5085] Call trace: [ 59.101472][ T5085] dump_backtrace+0x0/0x458 [ 59.102192][ T5085] show_stack+0x2c/0x3c [ 59.102884][ T5085] __dump_stack+0x30/0x40 [ 59.103631][ T5085] dump_stack_lvl+0xf4/0x15c [ 59.104451][ T5085] dump_stack+0x1c/0x5c [ 59.105158][ T5085] should_fail+0x3bc/0x514 [ 59.105956][ T5085] should_fail_alloc_page+0x74/0xa8 [ 59.106866][ T5085] prepare_alloc_pages+0x160/0x45c [ 59.107765][ T5085] __alloc_pages+0x108/0x470 [ 59.108523][ T5085] alloc_pages+0x34c/0x5c0 [ 59.109312][ T5085] new_slab+0xe0/0x544 [ 59.110043][ T5085] ___slab_alloc+0x6b4/0xd8c [ 59.110821][ T5085] __slab_alloc+0x68/0xc0 [ 59.111561][ T5085] kmem_cache_alloc+0x2a4/0x3d4 [ 59.112409][ T5085] bdev_alloc_inode+0x24/0x60 [ 59.113199][ T5085] new_inode_pseudo+0x68/0x1fc [ 59.114038][ T5085] new_inode+0x38/0x174 [ 59.114759][ T5085] bdev_alloc+0x30/0x1f8 [ 59.115483][ T5085] __alloc_disk_node+0xbc/0x450 [ 59.116304][ T5085] __blk_mq_alloc_disk+0xe8/0x154 [ 59.117174][ T5085] loop_add+0x240/0x6e0 [ 59.117920][ T5085] loop_control_ioctl+0x130/0x4e0 [ 59.118737][ T5085] __arm64_sys_ioctl+0x14c/0x1c8 [ 59.119525][ T5085] invoke_syscall+0x98/0x2b0 [ 59.120337][ T5085] el0_svc_common+0x138/0x258 [ 59.121141][ T5085] do_el0_svc+0x58/0x13c [ 59.121812][ T5085] el0_svc+0x78/0x1d0 [ 59.122477][ T5085] el0t_64_sync_handler+0xcc/0xe4 [ 59.123292][ T5085] el0t_64_sync+0x1a0/0x1a4 [ 59.136176][ T5087] FAULT_INJECTION: forcing a failure. [ 59.136176][ T5087] name failslab, interval 1, probability 0, space 0, times 0 [ 59.138181][ T5087] CPU: 0 PID: 5087 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.139620][ T5087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 59.141308][ T5087] Call trace: [ 59.141805][ T5087] dump_backtrace+0x0/0x458 [ 59.142547][ T5087] show_stack+0x2c/0x3c [ 59.143190][ T5087] __dump_stack+0x30/0x40 [ 59.143902][ T5087] dump_stack_lvl+0xf4/0x15c [ 59.144667][ T5087] dump_stack+0x1c/0x5c [ 59.145275][ T5087] should_fail+0x3bc/0x514 [ 59.146081][ T5087] __should_failslab+0xbc/0x10c [ 59.146936][ T5087] should_failslab+0x10/0x28 [ 59.147674][ T5087] slab_pre_alloc_hook+0x64/0xe8 [ 59.148478][ T5087] __kmalloc_node+0xb8/0x508 [ 59.149237][ T5087] memcg_alloc_page_obj_cgroups+0x80/0x170 [ 59.150233][ T5087] new_slab+0x114/0x544 [ 59.150933][ T5087] ___slab_alloc+0x6b4/0xd8c [ 59.151736][ T5087] __slab_alloc+0x68/0xc0 [ 59.152403][ T5087] kmem_cache_alloc+0x2a4/0x3d4 [ 59.153239][ T5087] bdev_alloc_inode+0x24/0x60 [ 59.154039][ T5087] new_inode_pseudo+0x68/0x1fc [ 59.154785][ T5087] new_inode+0x38/0x174 [ 59.155461][ T5087] bdev_alloc+0x30/0x1f8 [ 59.156177][ T5087] __alloc_disk_node+0xbc/0x450 [ 59.157025][ T5087] __blk_mq_alloc_disk+0xe8/0x154 [ 59.157836][ T5087] loop_add+0x240/0x6e0 [ 59.158456][ T5087] loop_control_ioctl+0x130/0x4e0 [ 59.159300][ T5087] __arm64_sys_ioctl+0x14c/0x1c8 [ 59.160032][ T5087] invoke_syscall+0x98/0x2b0 [ 59.160796][ T5087] el0_svc_common+0x138/0x258 [ 59.161544][ T5087] do_el0_svc+0x58/0x13c [ 59.162213][ T5087] el0_svc+0x78/0x1d0 [ 59.162847][ T5087] el0t_64_sync_handler+0xcc/0xe4 [ 59.163637][ T5087] el0t_64_sync+0x1a0/0x1a4 [ 59.175350][ T5089] FAULT_INJECTION: forcing a failure. [ 59.175350][ T5089] name failslab, interval 1, probability 0, space 0, times 0 [ 59.177555][ T5089] CPU: 0 PID: 5089 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.179092][ T5089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 59.180887][ T5089] Call trace: [ 59.181421][ T5089] dump_backtrace+0x0/0x458 [ 59.182217][ T5089] show_stack+0x2c/0x3c [ 59.182961][ T5089] __dump_stack+0x30/0x40 [ 59.183702][ T5089] dump_stack_lvl+0xf4/0x15c [ 59.184387][ T5089] dump_stack+0x1c/0x5c [ 59.185093][ T5089] should_fail+0x3bc/0x514 [ 59.185820][ T5089] __should_failslab+0xbc/0x10c [ 59.186617][ T5089] should_failslab+0x10/0x28 [ 59.187363][ T5089] slab_pre_alloc_hook+0x64/0xe8 [ 59.188164][ T5089] kmem_cache_alloc_trace+0x98/0x3ec [ 59.189011][ T5089] rand_initialize_disk+0x58/0xb8 [ 59.189873][ T5089] __alloc_disk_node+0x2a8/0x450 [ 59.190739][ T5089] __blk_mq_alloc_disk+0xe8/0x154 [ 59.191535][ T5089] loop_add+0x240/0x6e0 [ 59.192200][ T5089] loop_control_ioctl+0x130/0x4e0 [ 59.193039][ T5089] __arm64_sys_ioctl+0x14c/0x1c8 [ 59.193863][ T5089] invoke_syscall+0x98/0x2b0 [ 59.194611][ T5089] el0_svc_common+0x138/0x258 [ 59.195464][ T5089] do_el0_svc+0x58/0x13c [ 59.196120][ T5089] el0_svc+0x78/0x1d0 [ 59.196827][ T5089] el0t_64_sync_handler+0xcc/0xe4 [ 59.197644][ T5089] el0t_64_sync+0x1a0/0x1a4 [ 59.211599][ T5091] FAULT_INJECTION: forcing a failure. [ 59.211599][ T5091] name failslab, interval 1, probability 0, space 0, times 0 [ 59.213633][ T5091] CPU: 0 PID: 5091 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.215219][ T5091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 59.216904][ T5091] Call trace: [ 59.217434][ T5091] dump_backtrace+0x0/0x458 [ 59.218151][ T5091] show_stack+0x2c/0x3c [ 59.218904][ T5091] __dump_stack+0x30/0x40 [ 59.219640][ T5091] dump_stack_lvl+0xf4/0x15c [ 59.220417][ T5091] dump_stack+0x1c/0x5c [ 59.221119][ T5091] should_fail+0x3bc/0x514 [ 59.221849][ T5091] __should_failslab+0xbc/0x10c [ 59.222676][ T5091] should_failslab+0x10/0x28 [ 59.223413][ T5091] slab_pre_alloc_hook+0x64/0xe8 [ 59.224252][ T5091] __kmalloc_track_caller+0x70/0x358 [ 59.225054][ T5091] kstrdup+0xe4/0x15c [ 59.225716][ T5091] kstrdup_const+0x54/0x6c [ 59.226424][ T5091] kvasprintf_const+0x120/0x2e4 [ 59.227246][ T5091] kobject_set_name_vargs+0xd8/0x1c8 [ 59.228146][ T5091] dev_set_name+0xe8/0x13c [ 59.228890][ T5091] device_add_disk+0x258/0xacc [ 59.229756][ T5091] loop_add+0x510/0x6e0 [ 59.230438][ T5091] loop_control_ioctl+0x130/0x4e0 [ 59.231345][ T5091] __arm64_sys_ioctl+0x14c/0x1c8 [ 59.232235][ T5091] invoke_syscall+0x98/0x2b0 [ 59.232998][ T5091] el0_svc_common+0x138/0x258 [ 59.233782][ T5091] do_el0_svc+0x58/0x13c [ 59.234490][ T5091] el0_svc+0x78/0x1d0 [ 59.235136][ T5091] el0t_64_sync_handler+0xcc/0xe4 [ 59.235969][ T5091] el0t_64_sync+0x1a0/0x1a4 [ 59.245867][ T5093] FAULT_INJECTION: forcing a failure. [ 59.245867][ T5093] name failslab, interval 1, probability 0, space 0, times 0 [ 59.247889][ T5093] CPU: 1 PID: 5093 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.249297][ T5093] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 59.250947][ T5093] Call trace: [ 59.251480][ T5093] dump_backtrace+0x0/0x458 [ 59.252232][ T5093] show_stack+0x2c/0x3c [ 59.252925][ T5093] __dump_stack+0x30/0x40 [ 59.253597][ T5093] dump_stack_lvl+0xf4/0x15c [ 59.254431][ T5093] dump_stack+0x1c/0x5c [ 59.255142][ T5093] should_fail+0x3bc/0x514 [ 59.255866][ T5093] __should_failslab+0xbc/0x10c [ 59.256643][ T5093] should_failslab+0x10/0x28 [ 59.257427][ T5093] slab_pre_alloc_hook+0x64/0xe8 [ 59.258207][ T5093] kmem_cache_alloc_trace+0x98/0x3ec [ 59.258989][ T5093] device_add+0xbc/0xf90 [ 59.259651][ T5093] device_add_disk+0x2d0/0xacc [ 59.260412][ T5093] loop_add+0x510/0x6e0 [ 59.261134][ T5093] loop_control_ioctl+0x130/0x4e0 [ 59.261965][ T5093] __arm64_sys_ioctl+0x14c/0x1c8 [ 59.262791][ T5093] invoke_syscall+0x98/0x2b0 [ 59.263509][ T5093] el0_svc_common+0x138/0x258 [ 59.264250][ T5093] do_el0_svc+0x58/0x13c [ 59.264954][ T5093] el0_svc+0x78/0x1d0 [ 59.265636][ T5093] el0t_64_sync_handler+0xcc/0xe4 [ 59.266421][ T5093] el0t_64_sync+0x1a0/0x1a4 [ 59.275978][ T5095] FAULT_INJECTION: forcing a failure. [ 59.275978][ T5095] name failslab, interval 1, probability 0, space 0, times 0 [ 59.278054][ T5095] CPU: 0 PID: 5095 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.279504][ T5095] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 59.281170][ T5095] Call trace: [ 59.281761][ T5095] dump_backtrace+0x0/0x458 [ 59.282548][ T5095] show_stack+0x2c/0x3c [ 59.283262][ T5095] __dump_stack+0x30/0x40 [ 59.284040][ T5095] dump_stack_lvl+0xf4/0x15c [ 59.284785][ T5095] dump_stack+0x1c/0x5c [ 59.285560][ T5095] should_fail+0x3bc/0x514 [ 59.286295][ T5095] __should_failslab+0xbc/0x10c [ 59.287169][ T5095] should_failslab+0x10/0x28 [ 59.287977][ T5095] slab_pre_alloc_hook+0x64/0xe8 [ 59.288780][ T5095] kmem_cache_alloc_trace+0x98/0x3ec [ 59.289692][ T5095] rand_initialize_disk+0x58/0xb8 [ 59.290514][ T5095] __alloc_disk_node+0x2a8/0x450 [ 59.291333][ T5095] __blk_mq_alloc_disk+0xe8/0x154 [ 59.292180][ T5095] loop_add+0x240/0x6e0 [ 59.292891][ T5095] loop_control_ioctl+0x130/0x4e0 [ 59.293758][ T5095] __arm64_sys_ioctl+0x14c/0x1c8 [ 59.294563][ T5095] invoke_syscall+0x98/0x2b0 [ 59.295298][ T5095] el0_svc_common+0x138/0x258 [ 59.296120][ T5095] do_el0_svc+0x58/0x13c [ 59.296820][ T5095] el0_svc+0x78/0x1d0 [ 59.297472][ T5095] el0t_64_sync_handler+0xcc/0xe4 [ 59.298267][ T5095] el0t_64_sync+0x1a0/0x1a4 [ 59.310504][ T5097] FAULT_INJECTION: forcing a failure. [ 59.310504][ T5097] name failslab, interval 1, probability 0, space 0, times 0 [ 59.312646][ T5097] CPU: 0 PID: 5097 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 59.314111][ T5097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 59.315645][ T5097] Call trace: [ 59.316195][ T5097] dump_backtrace+0x0/0x458 [ 59.317002][ T5097] show_stack+0x2c/0x3c [ 59.317657][ T5097] __dump_stack+0x30/0x40 [ 59.318323][ T5097] dump_stack_lvl+0xf4/0x15c [ 59.319061][ T5097] dump_stack+0x1c/0x5c [ 59.319775][ T5097] should_fail+0x3bc/0x514 [ 59.320485][ T5097] __should_failslab+0xbc/0x10c [ 59.321243][ T5097] should_failslab+0x10/0x28 [ 59.321996][ T5097] slab_pre_alloc_hook+0x64/0xe8 [ 59.322777][ T5097] kmem_cache_alloc_trace+0x98/0x3ec [ 59.323605][ T5097] device_add+0xbc/0xf90 [ 59.324288][ T5097] device_add_disk+0x2d0/0xacc [ 59.325083][ T5097] loop_add+0x510/0x6e0 [ 59.325803][ T5097] loop_control_ioctl+0x130/0x4e0 [ 59.326617][ T5097] __arm64_sys_ioctl+0x14c/0x1c8 [ 59.327390][ T5097] invoke_syscall+0x98/0x2b0 [ 59.328137][ T5097] el0_svc_common+0x138/0x258 [ 59.328865][ T5097] do_el0_svc+0x58/0x13c [ 59.329562][ T5097] el0_svc+0x78/0x1d0 [ 59.330304][ T5097] el0t_64_sync_handler+0xcc/0xe4 [ 59.331162][ T5097] el0t_64_sync+0x1a0/0x1a4