Warning: Permanently added '10.128.0.30' (ED25519) to the list of known hosts. 2026/07/10 20:46:25 parsed 1 programs 2026/07/10 20:46:25 serving rpc on tcp://43705 [ 24.698495][ T30] audit: type=1400 audit(1783716385.815:64): avc: denied { node_bind } for pid=293 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 24.719274][ T30] audit: type=1400 audit(1783716385.815:65): avc: denied { module_request } for pid=293 comm="syz-execprog" kmod="net-pf-2-proto-262-type-1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 25.714346][ T30] audit: type=1400 audit(1783716386.825:66): avc: denied { mounton } for pid=299 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2024 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 25.717935][ T299] cgroup: Unknown subsys name 'net' [ 25.742352][ T30] audit: type=1400 audit(1783716386.825:67): avc: denied { mount } for pid=299 comm="syz-executor" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 25.764628][ T299] cgroup: Unknown subsys name 'devices' [ 25.765000][ T30] audit: type=1400 audit(1783716386.855:68): avc: denied { unmount } for pid=299 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 25.909555][ T299] cgroup: Unknown subsys name 'hugetlb' [ 25.915524][ T299] cgroup: Unknown subsys name 'rlimit' [ 26.043268][ T30] audit: type=1400 audit(1783716387.155:69): avc: denied { setattr } for pid=299 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=254 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 26.066470][ T30] audit: type=1400 audit(1783716387.155:70): avc: denied { create } for pid=299 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 26.086889][ T30] audit: type=1400 audit(1783716387.155:71): avc: denied { write } for pid=299 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 26.107290][ T30] audit: type=1400 audit(1783716387.155:72): avc: denied { read } for pid=299 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 26.126052][ T303] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). Setting up swapspace version 1, size = 127995904 bytes [ 26.128049][ T30] audit: type=1400 audit(1783716387.165:73): avc: denied { mounton } for pid=299 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 26.176083][ T299] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 26.708771][ T313] request_module fs-gadgetfs succeeded, but still no fs? [ 27.106347][ T327] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.113508][ T327] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.121789][ T327] device bridge_slave_0 entered promiscuous mode [ 27.157661][ T327] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.164739][ T327] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.175567][ T327] device bridge_slave_1 entered promiscuous mode [ 27.392852][ T327] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.400094][ T327] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.407523][ T327] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.414616][ T327] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.458937][ T45] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.466433][ T45] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.474225][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 27.482466][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 27.502386][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 27.510926][ T45] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.518006][ T45] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.525989][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 27.535093][ T45] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.542191][ T45] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.551481][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 27.568417][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 27.577003][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 27.589748][ T327] device veth0_vlan entered promiscuous mode [ 27.596101][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 27.606215][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready 2026/07/10 20:46:28 executed programs: 0 [ 27.613998][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 27.625892][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 27.635354][ T327] device veth1_macvtap entered promiscuous mode [ 27.644727][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 27.654951][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 27.706724][ T327] syz-executor (327) used greatest stack depth: 21096 bytes left [ 27.796264][ T375] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.804142][ T375] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.812502][ T375] device bridge_slave_0 entered promiscuous mode [ 27.820558][ T375] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.827684][ T375] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.835036][ T375] device bridge_slave_1 entered promiscuous mode [ 27.943164][ T374] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.950324][ T374] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.957845][ T374] device bridge_slave_0 entered promiscuous mode [ 27.964795][ T374] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.972051][ T374] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.979565][ T374] device bridge_slave_1 entered promiscuous mode [ 27.991425][ T378] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.998547][ T378] bridge0: port 1(bridge_slave_0) entered disabled state [ 28.005909][ T378] device bridge_slave_0 entered promiscuous mode [ 28.014394][ T378] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.021517][ T378] bridge0: port 2(bridge_slave_1) entered disabled state [ 28.029122][ T378] device bridge_slave_1 entered promiscuous mode [ 28.112083][ T382] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.119187][ T382] bridge0: port 1(bridge_slave_0) entered disabled state [ 28.126636][ T382] device bridge_slave_0 entered promiscuous mode [ 28.135039][ T382] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.142170][ T382] bridge0: port 2(bridge_slave_1) entered disabled state [ 28.149636][ T382] device bridge_slave_1 entered promiscuous mode [ 28.198387][ T372] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.205454][ T372] bridge0: port 1(bridge_slave_0) entered disabled state [ 28.212952][ T372] device bridge_slave_0 entered promiscuous mode [ 28.220022][ T372] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.227084][ T372] bridge0: port 2(bridge_slave_1) entered disabled state [ 28.234626][ T372] device bridge_slave_1 entered promiscuous mode [ 28.402699][ T382] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.409806][ T382] bridge0: port 2(bridge_slave_1) entered forwarding state [ 28.417100][ T382] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.424175][ T382] bridge0: port 1(bridge_slave_0) entered forwarding state [ 28.441344][ T334] bridge0: port 1(bridge_slave_0) entered disabled state [ 28.448813][ T334] bridge0: port 2(bridge_slave_1) entered disabled state [ 28.457300][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 28.464948][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 28.472541][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 28.481106][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 28.489466][ T334] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.496502][ T334] bridge0: port 1(bridge_slave_0) entered forwarding state [ 28.504004][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 28.512555][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 28.520966][ T334] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.528040][ T334] bridge0: port 2(bridge_slave_1) entered forwarding state [ 28.535474][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 28.567666][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 28.575129][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 28.592621][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 28.600613][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 28.609040][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 28.617292][ T334] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.624377][ T334] bridge0: port 1(bridge_slave_0) entered forwarding state [ 28.631868][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 28.640427][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 28.648681][ T334] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.655709][ T334] bridge0: port 2(bridge_slave_1) entered forwarding state [ 28.663325][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 28.683517][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 28.703645][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 28.711305][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 28.719356][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 28.727487][ T334] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.734560][ T334] bridge0: port 1(bridge_slave_0) entered forwarding state [ 28.742646][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 28.751023][ T334] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.758114][ T334] bridge0: port 2(bridge_slave_1) entered forwarding state [ 28.765627][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 28.773073][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 28.780991][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 28.789507][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 28.797763][ T334] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.804962][ T334] bridge0: port 1(bridge_slave_0) entered forwarding state [ 28.812421][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 28.820965][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 28.829839][ T334] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.836873][ T334] bridge0: port 2(bridge_slave_1) entered forwarding state [ 28.844537][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 28.852260][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 28.872103][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 28.880297][ T334] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.887317][ T334] bridge0: port 1(bridge_slave_0) entered forwarding state [ 28.894799][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 28.902786][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 28.911426][ T334] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.918515][ T334] bridge0: port 2(bridge_slave_1) entered forwarding state [ 28.925844][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 28.933843][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 28.956858][ T374] device veth0_vlan entered promiscuous mode [ 28.968998][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 28.977338][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 28.985725][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 28.993584][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 29.001167][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 29.009155][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 29.017058][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 29.038281][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 29.046782][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 29.054879][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 29.072609][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 29.081242][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 29.089700][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 29.097090][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 29.120452][ T382] device veth0_vlan entered promiscuous mode [ 29.128652][ T374] device veth1_macvtap entered promiscuous mode [ 29.135270][ T378] device veth0_vlan entered promiscuous mode [ 29.145979][ T372] device veth0_vlan entered promiscuous mode [ 29.153721][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 29.162188][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 29.170739][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 29.179030][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 29.187201][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 29.194957][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 29.202889][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 29.211101][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 29.219695][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 29.228107][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 29.235921][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 29.244091][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 29.251717][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 29.259421][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 29.266805][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 29.287189][ T382] device veth1_macvtap entered promiscuous mode [ 29.299097][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 29.307370][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 29.315743][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 29.323592][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 29.331770][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 29.340764][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 29.348600][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 29.357289][ T375] device veth0_vlan entered promiscuous mode [ 29.366632][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 29.375351][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 29.383863][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 29.392143][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 29.409770][ T372] device veth1_macvtap entered promiscuous mode [ 29.424787][ T378] device veth1_macvtap entered promiscuous mode [ 29.440580][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 29.449978][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 29.458732][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 29.466521][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 29.475641][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 29.484680][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 29.493628][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 29.502671][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 29.511190][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 29.519748][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 29.548494][ T375] device veth1_macvtap entered promiscuous mode [ 29.564063][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 29.573656][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 29.584057][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 29.592626][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 29.601564][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 29.610047][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 29.611349][ T397] FAULT_INJECTION: forcing a failure. [ 29.611349][ T397] name failslab, interval 1, probability 0, space 0, times 1 [ 29.619209][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 29.632664][ T397] CPU: 1 PID: 397 Comm: syz.4.21 Not tainted syzkaller #0 [ 29.640737][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 29.645892][ T397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 29.655165][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 29.663854][ T397] Call Trace: [ 29.663862][ T397] [ 29.663870][ T397] __dump_stack+0x21/0x30 [ 29.663903][ T397] dump_stack_lvl+0x110/0x170 [ 29.663921][ T397] ? show_regs_print_info+0x20/0x20 [ 29.672881][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 29.674679][ T397] dump_stack+0x15/0x20 [ 29.679064][ T334] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 29.681948][ T397] should_fail+0x3ab/0x500 [ 29.681973][ T397] __should_failslab+0xa4/0xe0 [ 29.721290][ T397] should_failslab+0x9/0x20 [ 29.725814][ T397] slab_pre_alloc_hook+0x39/0xd0 [ 29.730771][ T397] ? anon_vma_clone+0xb7/0x4c0 [ 29.735550][ T397] kmem_cache_alloc+0x44/0x260 [ 29.740327][ T397] anon_vma_clone+0xb7/0x4c0 [ 29.744928][ T397] anon_vma_fork+0x8f/0x520 [ 29.749440][ T397] ? anon_vma_name+0x4c/0x70 [ 29.754040][ T397] copy_mm+0x9f9/0x13a0 [ 29.758210][ T397] ? copy_signal+0x5f0/0x5f0 [ 29.762807][ T397] ? __init_rwsem+0xfc/0x1d0 [ 29.767413][ T397] ? copy_signal+0x4cc/0x5f0 [ 29.772015][ T397] copy_process+0x1184/0x3280 [ 29.776711][ T397] ? __kasan_check_write+0x14/0x20 [ 29.781838][ T397] ? __pidfd_prepare+0x150/0x150 [ 29.786806][ T397] kernel_clone+0x233/0x960 [ 29.791331][ T397] ? create_io_thread+0x170/0x170 [ 29.796380][ T397] ? __kasan_check_write+0x14/0x20 [ 29.801513][ T397] ? mutex_unlock+0x8f/0x230 [ 29.806233][ T397] __x64_sys_clone+0x198/0x210 [ 29.811032][ T397] ? __kasan_check_write+0x14/0x20 [ 29.816285][ T397] ? __ia32_sys_vfork+0x130/0x130 [ 29.821345][ T397] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 29.827430][ T397] x64_sys_call+0x41f/0x9a0 [ 29.832073][ T397] do_syscall_64+0x4c/0xa0 [ 29.836509][ T397] ? clear_bhb_loop+0x50/0xa0 [ 29.841283][ T397] ? clear_bhb_loop+0x50/0xa0 [ 29.845970][ T397] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 29.851988][ T397] RIP: 0033:0x7f932e8b5e59 [ 29.856420][ T397] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 29.876044][ T397] RSP: 002b:00007f932e716fd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 29.884496][ T397] RAX: ffffffffffffffda RBX: 00007f932eb3dfa0 RCX: 00007f932e8b5e59 [ 29.892605][ T397] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040042600 [ 29.900594][ T397] RBP: 00007f932e717090 R08: 0000000000000000 R09: 0000000000000000 [ 29.908581][ T397] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 29.916566][ T397] R13: 00007f932eb3e038 R14: 00007f932eb3dfa0 R15: 00007fff791413a8 [ 29.924565][ T397] [ 29.955962][ T399] FAULT_INJECTION: forcing a failure. [ 29.955962][ T399] name failslab, interval 1, probability 0, space 0, times 0 [ 29.970026][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 29.985742][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 29.994076][ T399] CPU: 1 PID: 399 Comm: syz.3.20 Not tainted syzkaller #0 [ 30.001223][ T399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 30.006762][ T402] FAULT_INJECTION: forcing a failure. [ 30.006762][ T402] name failslab, interval 1, probability 0, space 0, times 0 [ 30.011310][ T399] Call Trace: [ 30.011318][ T399] [ 30.011325][ T399] __dump_stack+0x21/0x30 [ 30.011348][ T399] dump_stack_lvl+0x110/0x170 [ 30.039372][ T399] ? show_regs_print_info+0x20/0x20 [ 30.044596][ T399] dump_stack+0x15/0x20 [ 30.048774][ T399] should_fail+0x3ab/0x500 [ 30.053214][ T399] __should_failslab+0xa4/0xe0 [ 30.058003][ T399] should_failslab+0x9/0x20 [ 30.062531][ T399] slab_pre_alloc_hook+0x39/0xd0 [ 30.067488][ T399] ? anon_vma_clone+0xb7/0x4c0 [ 30.072269][ T399] kmem_cache_alloc+0x44/0x260 [ 30.077340][ T399] anon_vma_clone+0xb7/0x4c0 [ 30.081956][ T399] anon_vma_fork+0x8f/0x520 [ 30.086485][ T399] ? anon_vma_name+0x4c/0x70 [ 30.091090][ T399] copy_mm+0x9f9/0x13a0 [ 30.095273][ T399] ? copy_signal+0x5f0/0x5f0 [ 30.099896][ T399] ? __init_rwsem+0xfc/0x1d0 [ 30.104515][ T399] ? copy_signal+0x4cc/0x5f0 [ 30.109123][ T399] copy_process+0x1184/0x3280 [ 30.113833][ T399] ? __kasan_check_write+0x14/0x20 [ 30.118973][ T399] ? __pidfd_prepare+0x150/0x150 [ 30.123945][ T399] kernel_clone+0x233/0x960 [ 30.128474][ T399] ? create_io_thread+0x170/0x170 [ 30.133527][ T399] ? __kasan_check_write+0x14/0x20 [ 30.138669][ T399] ? mutex_unlock+0x8f/0x230 [ 30.143288][ T399] __x64_sys_clone+0x198/0x210 [ 30.148097][ T399] ? __kasan_check_write+0x14/0x20 [ 30.153233][ T399] ? __ia32_sys_vfork+0x130/0x130 [ 30.158286][ T399] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 30.164386][ T399] x64_sys_call+0x41f/0x9a0 [ 30.168920][ T399] do_syscall_64+0x4c/0xa0 [ 30.173364][ T399] ? clear_bhb_loop+0x50/0xa0 [ 30.178068][ T399] ? clear_bhb_loop+0x50/0xa0 [ 30.182349][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 30.182776][ T399] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 30.196762][ T399] RIP: 0033:0x7ff4ac300e59 [ 30.201210][ T399] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 30.220840][ T399] RSP: 002b:00007ff4ac161fd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 30.220994][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 30.229283][ T399] RAX: ffffffffffffffda RBX: 00007ff4ac588fa0 RCX: 00007ff4ac300e59 [ 30.229299][ T399] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040042600 [ 30.229311][ T399] RBP: 00007ff4ac162090 R08: 0000000000000000 R09: 0000000000000000 [ 30.229325][ T399] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 30.269464][ T399] R13: 00007ff4ac589038 R14: 00007ff4ac588fa0 R15: 00007ffebaf82998 [ 30.277756][ T399] [ 30.283542][ T406] FAULT_INJECTION: forcing a failure. [ 30.283542][ T406] name failslab, interval 1, probability 0, space 0, times 0 [ 30.289172][ T402] CPU: 0 PID: 402 Comm: syz.1.18 Not tainted syzkaller #0 [ 30.303375][ T402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 30.313453][ T402] Call Trace: [ 30.316759][ T402] [ 30.319717][ T402] __dump_stack+0x21/0x30 [ 30.324068][ T402] dump_stack_lvl+0x110/0x170 [ 30.328760][ T402] ? show_regs_print_info+0x20/0x20 [ 30.333985][ T402] dump_stack+0x15/0x20 [ 30.338155][ T402] should_fail+0x3ab/0x500 [ 30.342600][ T402] __should_failslab+0xa4/0xe0 [ 30.347402][ T402] should_failslab+0x9/0x20 [ 30.351935][ T402] slab_pre_alloc_hook+0x39/0xd0 [ 30.356894][ T402] ? anon_vma_clone+0xb7/0x4c0 [ 30.361671][ T402] kmem_cache_alloc+0x44/0x260 [ 30.366451][ T402] anon_vma_clone+0xb7/0x4c0 [ 30.371055][ T402] anon_vma_fork+0x8f/0x520 [ 30.375571][ T402] ? anon_vma_name+0x4c/0x70 [ 30.380175][ T402] copy_mm+0x9f9/0x13a0 [ 30.384346][ T402] ? copy_signal+0x5f0/0x5f0 [ 30.388950][ T402] ? __init_rwsem+0xfc/0x1d0 [ 30.393563][ T402] ? copy_signal+0x4cc/0x5f0 [ 30.398172][ T402] copy_process+0x1184/0x3280 [ 30.402874][ T402] ? __kasan_check_write+0x14/0x20 [ 30.407998][ T402] ? __pidfd_prepare+0x150/0x150 [ 30.412961][ T402] kernel_clone+0x233/0x960 [ 30.417479][ T402] ? create_io_thread+0x170/0x170 [ 30.422523][ T402] ? __kasan_check_write+0x14/0x20 [ 30.427652][ T402] ? mutex_unlock+0x8f/0x230 [ 30.432256][ T402] __x64_sys_clone+0x198/0x210 [ 30.437036][ T402] ? __kasan_check_write+0x14/0x20 [ 30.442168][ T402] ? __ia32_sys_vfork+0x130/0x130 [ 30.447219][ T402] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 30.453421][ T402] x64_sys_call+0x41f/0x9a0 [ 30.457955][ T402] do_syscall_64+0x4c/0xa0 [ 30.462505][ T402] ? clear_bhb_loop+0x50/0xa0 [ 30.467205][ T402] ? clear_bhb_loop+0x50/0xa0 [ 30.471903][ T402] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 30.477817][ T402] RIP: 0033:0x7f71c4d3ce59 [ 30.482243][ T402] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 30.501888][ T402] RSP: 002b:00007f71c4b9dfd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 30.510338][ T402] RAX: ffffffffffffffda RBX: 00007f71c4fc4fa0 RCX: 00007f71c4d3ce59 [ 30.518335][ T402] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040042600 [ 30.526332][ T402] RBP: 00007f71c4b9e090 R08: 0000000000000000 R09: 0000000000000000 [ 30.534434][ T402] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 30.542436][ T402] R13: 00007f71c4fc5038 R14: 00007f71c4fc4fa0 R15: 00007fff2f81e588 [ 30.550472][ T402] [ 30.553518][ T406] CPU: 1 PID: 406 Comm: syz.5.17 Not tainted syzkaller #0 [ 30.560661][ T406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 30.570743][ T406] Call Trace: [ 30.574050][ T406] [ 30.577004][ T406] __dump_stack+0x21/0x30 [ 30.581362][ T406] dump_stack_lvl+0x110/0x170 [ 30.586185][ T406] ? show_regs_print_info+0x20/0x20 [ 30.591419][ T406] dump_stack+0x15/0x20 [ 30.595607][ T406] should_fail+0x3ab/0x500 [ 30.600056][ T406] __should_failslab+0xa4/0xe0 [ 30.602597][ T407] FAULT_INJECTION: forcing a failure. [ 30.602597][ T407] name failslab, interval 1, probability 0, space 0, times 0 [ 30.604852][ T406] should_failslab+0x9/0x20 [ 30.621958][ T406] slab_pre_alloc_hook+0x39/0xd0 [ 30.626948][ T406] ? anon_vma_clone+0xb7/0x4c0 [ 30.631747][ T406] kmem_cache_alloc+0x44/0x260 [ 30.636544][ T406] anon_vma_clone+0xb7/0x4c0 [ 30.641160][ T406] anon_vma_fork+0x8f/0x520 [ 30.645724][ T406] ? anon_vma_name+0x4c/0x70 [ 30.650342][ T406] copy_mm+0x9f9/0x13a0 [ 30.654525][ T406] ? copy_signal+0x5f0/0x5f0 [ 30.659145][ T406] ? __init_rwsem+0xfc/0x1d0 [ 30.663754][ T406] ? copy_signal+0x4cc/0x5f0 [ 30.668356][ T406] copy_process+0x1184/0x3280 [ 30.673051][ T406] ? __kasan_check_write+0x14/0x20 [ 30.678180][ T406] ? __pidfd_prepare+0x150/0x150 [ 30.683151][ T406] kernel_clone+0x233/0x960 [ 30.687720][ T406] ? create_io_thread+0x170/0x170 [ 30.692769][ T406] ? __kasan_check_write+0x14/0x20 [ 30.697907][ T406] ? mutex_unlock+0x8f/0x230 [ 30.702531][ T406] __x64_sys_clone+0x198/0x210 [ 30.707326][ T406] ? __kasan_check_write+0x14/0x20 [ 30.712586][ T406] ? __ia32_sys_vfork+0x130/0x130 [ 30.717636][ T406] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 30.723723][ T406] x64_sys_call+0x41f/0x9a0 [ 30.728246][ T406] do_syscall_64+0x4c/0xa0 [ 30.732678][ T406] ? clear_bhb_loop+0x50/0xa0 [ 30.737455][ T406] ? clear_bhb_loop+0x50/0xa0 [ 30.742149][ T406] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 30.748066][ T406] RIP: 0033:0x7fb634ce0e59 [ 30.752506][ T406] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 30.772132][ T406] RSP: 002b:00007fb634b41fd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 30.780569][ T406] RAX: ffffffffffffffda RBX: 00007fb634f68fa0 RCX: 00007fb634ce0e59 [ 30.788552][ T406] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040042600 [ 30.796539][ T406] RBP: 00007fb634b42090 R08: 0000000000000000 R09: 0000000000000000 [ 30.804521][ T406] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 30.812779][ T406] R13: 00007fb634f69038 R14: 00007fb634f68fa0 R15: 00007ffcd9e7eeb8 [ 30.820779][ T406] [ 30.891252][ T411] FAULT_INJECTION: forcing a failure. [ 30.891252][ T411] name failslab, interval 1, probability 0, space 0, times 0 [ 30.924138][ T411] CPU: 1 PID: 411 Comm: syz.6.19 Not tainted syzkaller #0 [ 30.931320][ T411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 30.941401][ T411] Call Trace: [ 30.944710][ T411] [ 30.947660][ T411] __dump_stack+0x21/0x30 [ 30.952021][ T411] dump_stack_lvl+0x110/0x170 [ 30.956725][ T411] ? show_regs_print_info+0x20/0x20 [ 30.961955][ T411] dump_stack+0x15/0x20 [ 30.966132][ T411] should_fail+0x3ab/0x500 [ 30.970588][ T411] __should_failslab+0xa4/0xe0 [ 30.975407][ T411] should_failslab+0x9/0x20 [ 30.975893][ T413] FAULT_INJECTION: forcing a failure. [ 30.975893][ T413] name failslab, interval 1, probability 0, space 0, times 0 [ 30.979942][ T411] slab_pre_alloc_hook+0x39/0xd0 [ 30.979966][ T411] ? anon_vma_clone+0xb7/0x4c0 [ 30.979984][ T411] kmem_cache_alloc+0x44/0x260 [ 31.007028][ T411] anon_vma_clone+0xb7/0x4c0 [ 31.011663][ T411] anon_vma_fork+0x8f/0x520 [ 31.016198][ T411] ? anon_vma_name+0x4c/0x70 [ 31.020821][ T411] copy_mm+0x9f9/0x13a0 [ 31.025009][ T411] ? copy_signal+0x5f0/0x5f0 [ 31.029622][ T411] ? __init_rwsem+0xfc/0x1d0 [ 31.034239][ T411] ? copy_signal+0x4cc/0x5f0 [ 31.038854][ T411] copy_process+0x1184/0x3280 [ 31.043579][ T411] ? __kasan_check_write+0x14/0x20 [ 31.049072][ T411] ? __pidfd_prepare+0x150/0x150 [ 31.054041][ T411] kernel_clone+0x233/0x960 [ 31.056926][ T416] FAULT_INJECTION: forcing a failure. [ 31.056926][ T416] name failslab, interval 1, probability 0, space 0, times 0 [ 31.058745][ T411] ? create_io_thread+0x170/0x170 [ 31.058771][ T411] ? __kasan_check_write+0x14/0x20 [ 31.081504][ T411] ? mutex_unlock+0x8f/0x230 [ 31.086113][ T411] __x64_sys_clone+0x198/0x210 [ 31.090894][ T411] ? __kasan_check_write+0x14/0x20 [ 31.096037][ T411] ? __ia32_sys_vfork+0x130/0x130 [ 31.101083][ T411] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 31.107173][ T411] x64_sys_call+0x41f/0x9a0 [ 31.111694][ T411] do_syscall_64+0x4c/0xa0 [ 31.116128][ T411] ? clear_bhb_loop+0x50/0xa0 [ 31.120830][ T411] ? clear_bhb_loop+0x50/0xa0 [ 31.125524][ T411] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 31.131429][ T411] RIP: 0033:0x7f2602fefe59 [ 31.135857][ T411] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 31.155473][ T411] RSP: 002b:00007f2602e50fd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 31.163901][ T411] RAX: ffffffffffffffda RBX: 00007f2603277fa0 RCX: 00007f2602fefe59 [ 31.171892][ T411] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040042600 [ 31.179963][ T411] RBP: 00007f2602e51090 R08: 0000000000000000 R09: 0000000000000000 [ 31.187953][ T411] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 31.195935][ T411] R13: 00007f2603278038 R14: 00007f2603277fa0 R15: 00007ffd3a757ef8 [ 31.203932][ T411] [ 31.206970][ T416] CPU: 0 PID: 416 Comm: syz.5.24 Not tainted syzkaller #0 [ 31.214109][ T416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 31.224282][ T416] Call Trace: [ 31.227587][ T416] [ 31.230560][ T416] __dump_stack+0x21/0x30 [ 31.234909][ T416] dump_stack_lvl+0x110/0x170 [ 31.239601][ T416] ? show_regs_print_info+0x20/0x20 [ 31.244822][ T416] dump_stack+0x15/0x20 [ 31.248987][ T416] should_fail+0x3ab/0x500 [ 31.253680][ T416] __should_failslab+0xa4/0xe0 [ 31.258465][ T416] should_failslab+0x9/0x20 [ 31.262989][ T416] slab_pre_alloc_hook+0x39/0xd0 [ 31.267947][ T416] ? vm_area_dup+0x26/0x210 [ 31.272463][ T416] kmem_cache_alloc+0x44/0x260 [ 31.277244][ T416] vm_area_dup+0x26/0x210 [ 31.281594][ T416] copy_mm+0x963/0x13a0 [ 31.285769][ T416] ? copy_signal+0x5f0/0x5f0 [ 31.290374][ T416] ? __init_rwsem+0xfc/0x1d0 [ 31.295065][ T416] ? copy_signal+0x4cc/0x5f0 [ 31.299668][ T416] copy_process+0x1184/0x3280 [ 31.304375][ T416] ? __kasan_check_write+0x14/0x20 [ 31.309515][ T416] ? __pidfd_prepare+0x150/0x150 [ 31.314478][ T416] kernel_clone+0x233/0x960 [ 31.319005][ T416] ? create_io_thread+0x170/0x170 [ 31.324051][ T416] ? __kasan_check_write+0x14/0x20 [ 31.329190][ T416] ? mutex_unlock+0x8f/0x230 [ 31.333804][ T416] __x64_sys_clone+0x198/0x210 [ 31.338587][ T416] ? __kasan_check_write+0x14/0x20 [ 31.343728][ T416] ? __ia32_sys_vfork+0x130/0x130 [ 31.348779][ T416] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 31.354872][ T416] x64_sys_call+0x41f/0x9a0 [ 31.359389][ T416] do_syscall_64+0x4c/0xa0 [ 31.363828][ T416] ? clear_bhb_loop+0x50/0xa0 [ 31.368524][ T416] ? clear_bhb_loop+0x50/0xa0 [ 31.373331][ T416] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 31.379277][ T416] RIP: 0033:0x7fb634ce0e59 [ 31.383711][ T416] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 31.403331][ T416] RSP: 002b:00007fb634b41fd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 31.411784][ T416] RAX: ffffffffffffffda RBX: 00007fb634f68fa0 RCX: 00007fb634ce0e59 [ 31.419775][ T416] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040042600 [ 31.427761][ T416] RBP: 00007fb634b42090 R08: 0000000000000000 R09: 0000000000000000 [ 31.435764][ T416] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 31.443751][ T416] R13: 00007fb634f69038 R14: 00007fb634f68fa0 R15: 00007ffcd9e7eeb8 [ 31.451749][ T416] [ 31.456750][ T407] CPU: 1 PID: 407 Comm: syz.4.22 Not tainted syzkaller #0 [ 31.463900][ T407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 31.474052][ T407] Call Trace: [ 31.477454][ T407] [ 31.480401][ T407] __dump_stack+0x21/0x30 [ 31.484754][ T407] dump_stack_lvl+0x110/0x170 [ 31.489445][ T407] ? show_regs_print_info+0x20/0x20 [ 31.494661][ T407] dump_stack+0x15/0x20 [ 31.498833][ T407] should_fail+0x3ab/0x500 [ 31.503267][ T407] __should_failslab+0xa4/0xe0 [ 31.508050][ T407] should_failslab+0x9/0x20 [ 31.512566][ T407] slab_pre_alloc_hook+0x39/0xd0 [ 31.517515][ T407] ? anon_vma_fork+0xf8/0x520 [ 31.522206][ T407] kmem_cache_alloc+0x44/0x260 [ 31.526990][ T407] anon_vma_fork+0xf8/0x520 [ 31.531506][ T407] ? anon_vma_name+0x4c/0x70 [ 31.536108][ T407] copy_mm+0x9f9/0x13a0 [ 31.540282][ T407] ? copy_signal+0x5f0/0x5f0 [ 31.544888][ T407] ? __init_rwsem+0xfc/0x1d0 [ 31.549596][ T407] ? copy_signal+0x4cc/0x5f0 [ 31.554210][ T407] copy_process+0x1184/0x3280 [ 31.559093][ T407] ? __kasan_check_write+0x14/0x20 [ 31.564235][ T407] ? __pidfd_prepare+0x150/0x150 [ 31.569194][ T407] kernel_clone+0x233/0x960 [ 31.573734][ T407] ? create_io_thread+0x170/0x170 [ 31.578777][ T407] ? __kasan_check_write+0x14/0x20 [ 31.583902][ T407] ? mutex_unlock+0x8f/0x230 [ 31.588511][ T407] __x64_sys_clone+0x198/0x210 [ 31.593296][ T407] ? __kasan_check_write+0x14/0x20 [ 31.598449][ T407] ? __ia32_sys_vfork+0x130/0x130 [ 31.603503][ T407] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 31.609599][ T407] x64_sys_call+0x41f/0x9a0 [ 31.614120][ T407] do_syscall_64+0x4c/0xa0 [ 31.618552][ T407] ? clear_bhb_loop+0x50/0xa0 [ 31.623250][ T407] ? clear_bhb_loop+0x50/0xa0 [ 31.627944][ T407] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 31.633861][ T407] RIP: 0033:0x7f932e8b5e59 [ 31.638291][ T407] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 31.657906][ T407] RSP: 002b:00007f932e716fd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 31.666329][ T407] RAX: ffffffffffffffda RBX: 00007f932eb3dfa0 RCX: 00007f932e8b5e59 [ 31.674709][ T407] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040042600 [ 31.682704][ T407] RBP: 00007f932e717090 R08: 0000000000000000 R09: 0000000000000000 [ 31.690694][ T407] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 31.698686][ T407] R13: 00007f932eb3e038 R14: 00007f932eb3dfa0 R15: 00007fff791413a8 [ 31.706690][ T407] [ 31.721237][ T413] CPU: 1 PID: 413 Comm: syz.3.23 Not tainted syzkaller #0 [ 31.728426][ T413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 31.738502][ T413] Call Trace: [ 31.741810][ T413] [ 31.744761][ T413] __dump_stack+0x21/0x30 [ 31.749117][ T413] dump_stack_lvl+0x110/0x170 [ 31.753828][ T413] ? show_regs_print_info+0x20/0x20 [ 31.759055][ T413] ? __kasan_check_write+0x14/0x20 [ 31.764201][ T413] dump_stack+0x15/0x20 [ 31.768379][ T413] should_fail+0x3ab/0x500 [ 31.772926][ T413] __should_failslab+0xa4/0xe0 [ 31.777722][ T413] should_failslab+0x9/0x20 [ 31.782261][ T413] slab_pre_alloc_hook+0x39/0xd0 [ 31.787233][ T413] __kmalloc+0x6d/0x2c0 [ 31.791414][ T413] ? inc_ucount+0x17c/0x230 [ 31.795933][ T413] ? copy_net_ns+0x10f/0x5c0 [ 31.800540][ T413] copy_net_ns+0x10f/0x5c0 [ 31.804970][ T413] ? __kasan_check_write+0x14/0x20 [ 31.810094][ T413] ? copy_cgroup_ns+0x91/0x4c0 [ 31.814868][ T413] create_new_namespaces+0x3a8/0x660 [ 31.820187][ T413] copy_namespaces+0x1cc/0x220 [ 31.824974][ T413] copy_process+0x11b5/0x3280 [ 31.829670][ T413] ? __kasan_check_write+0x14/0x20 [ 31.834796][ T413] ? __pidfd_prepare+0x150/0x150 [ 31.839750][ T413] kernel_clone+0x233/0x960 [ 31.844364][ T413] ? create_io_thread+0x170/0x170 [ 31.849400][ T413] ? __kasan_check_write+0x14/0x20 [ 31.854522][ T413] ? mutex_unlock+0x8f/0x230 [ 31.859129][ T413] __x64_sys_clone+0x198/0x210 [ 31.863907][ T413] ? __kasan_check_write+0x14/0x20 [ 31.869027][ T413] ? __ia32_sys_vfork+0x130/0x130 [ 31.874067][ T413] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 31.880152][ T413] x64_sys_call+0x41f/0x9a0 [ 31.884675][ T413] do_syscall_64+0x4c/0xa0 [ 31.889103][ T413] ? clear_bhb_loop+0x50/0xa0 [ 31.893789][ T413] ? clear_bhb_loop+0x50/0xa0 [ 31.898472][ T413] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 31.904558][ T413] RIP: 0033:0x7ff4ac300e59 [ 31.908988][ T413] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 31.928781][ T413] RSP: 002b:00007ff4ac161fd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 31.937207][ T413] RAX: ffffffffffffffda RBX: 00007ff4ac588fa0 RCX: 00007ff4ac300e59 [ 31.945281][ T413] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040042600 [ 31.953265][ T413] RBP: 00007ff4ac162090 R08: 0000000000000000 R09: 0000000000000000 [ 31.961248][ T413] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 31.969314][ T413] R13: 00007ff4ac589038 R14: 00007ff4ac588fa0 R15: 00007ffebaf82998 [ 31.977387][ T413] [ 31.990224][ T419] FAULT_INJECTION: forcing a failure. [ 31.990224][ T419] name failslab, interval 1, probability 0, space 0, times 0 [ 32.009961][ T422] FAULT_INJECTION: forcing a failure. [ 32.009961][ T422] name failslab, interval 1, probability 0, space 0, times 0 [ 32.018055][ T424] FAULT_INJECTION: forcing a failure. [ 32.018055][ T424] name failslab, interval 1, probability 0, space 0, times 0 [ 32.042398][ T419] CPU: 1 PID: 419 Comm: syz.1.25 Not tainted syzkaller #0 [ 32.049569][ T419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 32.049825][ T425] FAULT_INJECTION: forcing a failure. [ 32.049825][ T425] name failslab, interval 1, probability 0, space 0, times 0 [ 32.059646][ T419] Call Trace: [ 32.059652][ T419] [ 32.059659][ T419] __dump_stack+0x21/0x30 [ 32.059682][ T419] dump_stack_lvl+0x110/0x170 [ 32.059699][ T419] ? show_regs_print_info+0x20/0x20 [ 32.059719][ T419] dump_stack+0x15/0x20 [ 32.059735][ T419] should_fail+0x3ab/0x500 [ 32.059754][ T419] __should_failslab+0xa4/0xe0 [ 32.059774][ T419] should_failslab+0x9/0x20 [ 32.059793][ T419] slab_pre_alloc_hook+0x39/0xd0 [ 32.059815][ T419] ? vm_area_dup+0x26/0x210 [ 32.120287][ T419] kmem_cache_alloc+0x44/0x260 [ 32.125089][ T419] vm_area_dup+0x26/0x210 [ 32.129462][ T419] copy_mm+0x963/0x13a0 [ 32.133654][ T419] ? copy_signal+0x5f0/0x5f0 [ 32.138268][ T419] ? __init_rwsem+0xfc/0x1d0 [ 32.142876][ T419] ? copy_signal+0x4cc/0x5f0 [ 32.147482][ T419] copy_process+0x1184/0x3280 [ 32.152181][ T419] ? __kasan_check_write+0x14/0x20 [ 32.157320][ T419] ? __pidfd_prepare+0x150/0x150 [ 32.162285][ T419] kernel_clone+0x233/0x960 [ 32.166806][ T419] ? create_io_thread+0x170/0x170 [ 32.171851][ T419] ? __kasan_check_write+0x14/0x20 [ 32.176983][ T419] ? mutex_unlock+0x8f/0x230 [ 32.181587][ T419] __x64_sys_clone+0x198/0x210 [ 32.186380][ T419] ? __kasan_check_write+0x14/0x20 [ 32.191508][ T419] ? __ia32_sys_vfork+0x130/0x130 [ 32.196564][ T419] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 32.202652][ T419] x64_sys_call+0x41f/0x9a0 [ 32.207175][ T419] do_syscall_64+0x4c/0xa0 [ 32.211602][ T419] ? clear_bhb_loop+0x50/0xa0 [ 32.216299][ T419] ? clear_bhb_loop+0x50/0xa0 [ 32.221082][ T419] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 32.226997][ T419] RIP: 0033:0x7f71c4d3ce59 [ 32.231427][ T419] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 32.251136][ T419] RSP: 002b:00007f71c4b9dfd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 32.259578][ T419] RAX: ffffffffffffffda RBX: 00007f71c4fc4fa0 RCX: 00007f71c4d3ce59 [ 32.267604][ T419] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040042600 [ 32.275606][ T419] RBP: 00007f71c4b9e090 R08: 0000000000000000 R09: 0000000000000000 [ 32.283604][ T419] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 32.291605][ T419] R13: 00007f71c4fc5038 R14: 00007f71c4fc4fa0 R15: 00007fff2f81e588 [ 32.299615][ T419] [ 32.302653][ T425] CPU: 0 PID: 425 Comm: syz.4.27 Not tainted syzkaller #0 [ 32.309793][ T425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 32.319870][ T425] Call Trace: [ 32.323165][ T425] [ 32.326116][ T425] __dump_stack+0x21/0x30 [ 32.330461][ T425] dump_stack_lvl+0x110/0x170 [ 32.335151][ T425] ? show_regs_print_info+0x20/0x20 [ 32.340368][ T425] dump_stack+0x15/0x20 [ 32.344541][ T425] should_fail+0x3ab/0x500 [ 32.348973][ T425] __should_failslab+0xa4/0xe0 [ 32.353752][ T425] should_failslab+0x9/0x20 [ 32.358267][ T425] slab_pre_alloc_hook+0x39/0xd0 [ 32.363219][ T425] ? anon_vma_fork+0xf8/0x520 [ 32.367914][ T425] kmem_cache_alloc+0x44/0x260 [ 32.372697][ T425] anon_vma_fork+0xf8/0x520 [ 32.377223][ T425] ? anon_vma_name+0x4c/0x70 [ 32.381877][ T425] copy_mm+0x9f9/0x13a0 [ 32.386052][ T425] ? copy_signal+0x5f0/0x5f0 [ 32.390669][ T425] ? __init_rwsem+0xfc/0x1d0 [ 32.395277][ T425] ? copy_signal+0x4cc/0x5f0 [ 32.399883][ T425] copy_process+0x1184/0x3280 [ 32.404590][ T425] ? __kasan_check_write+0x14/0x20 [ 32.409725][ T425] ? __pidfd_prepare+0x150/0x150 [ 32.414687][ T425] kernel_clone+0x233/0x960 [ 32.419206][ T425] ? create_io_thread+0x170/0x170 [ 32.424250][ T425] ? __kasan_check_write+0x14/0x20 [ 32.429374][ T425] ? mutex_unlock+0x8f/0x230 [ 32.433983][ T425] __x64_sys_clone+0x198/0x210 [ 32.438766][ T425] ? __kasan_check_write+0x14/0x20 [ 32.443907][ T425] ? __ia32_sys_vfork+0x130/0x130 [ 32.448968][ T425] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 32.455063][ T425] x64_sys_call+0x41f/0x9a0 [ 32.459678][ T425] do_syscall_64+0x4c/0xa0 [ 32.464109][ T425] ? clear_bhb_loop+0x50/0xa0 [ 32.468807][ T425] ? clear_bhb_loop+0x50/0xa0 [ 32.473500][ T425] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 32.479415][ T425] RIP: 0033:0x7f932e8b5e59 [ 32.483844][ T425] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 32.503469][ T425] RSP: 002b:00007f932e716fd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 32.511906][ T425] RAX: ffffffffffffffda RBX: 00007f932eb3dfa0 RCX: 00007f932e8b5e59 [ 32.519896][ T425] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040042600 [ 32.527878][ T425] RBP: 00007f932e717090 R08: 0000000000000000 R09: 0000000000000000 [ 32.535860][ T425] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 32.543933][ T425] R13: 00007f932eb3e038 R14: 00007f932eb3dfa0 R15: 00007fff791413a8 [ 32.551922][ T425] [ 32.554989][ T424] CPU: 1 PID: 424 Comm: syz.6.28 Not tainted syzkaller #0 [ 32.562129][ T424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 32.572202][ T424] Call Trace: [ 32.575494][ T424] [ 32.578436][ T424] __dump_stack+0x21/0x30 [ 32.582788][ T424] dump_stack_lvl+0x110/0x170 [ 32.587481][ T424] ? show_regs_print_info+0x20/0x20 [ 32.592721][ T424] dump_stack+0x15/0x20 [ 32.596893][ T424] should_fail+0x3ab/0x500 [ 32.601327][ T424] __should_failslab+0xa4/0xe0 [ 32.606116][ T424] should_failslab+0x9/0x20 [ 32.610639][ T424] slab_pre_alloc_hook+0x39/0xd0 [ 32.615609][ T424] ? anon_vma_clone+0xb7/0x4c0 [ 32.620393][ T424] kmem_cache_alloc+0x44/0x260 [ 32.625176][ T424] anon_vma_clone+0xb7/0x4c0 [ 32.629781][ T424] anon_vma_fork+0x8f/0x520 [ 32.634295][ T424] ? anon_vma_name+0x4c/0x70 [ 32.638901][ T424] copy_mm+0x9f9/0x13a0 [ 32.643075][ T424] ? copy_signal+0x5f0/0x5f0 [ 32.647674][ T424] ? __init_rwsem+0xfc/0x1d0 [ 32.652299][ T424] ? copy_signal+0x4cc/0x5f0 [ 32.656950][ T424] copy_process+0x1184/0x3280 [ 32.661647][ T424] ? __kasan_check_write+0x14/0x20 [ 32.666778][ T424] ? __pidfd_prepare+0x150/0x150 [ 32.671741][ T424] kernel_clone+0x233/0x960 [ 32.676292][ T424] ? create_io_thread+0x170/0x170 [ 32.681336][ T424] ? __kasan_check_write+0x14/0x20 [ 32.686461][ T424] ? mutex_unlock+0x8f/0x230 [ 32.691067][ T424] __x64_sys_clone+0x198/0x210 [ 32.695970][ T424] ? __kasan_check_write+0x14/0x20 [ 32.701108][ T424] ? __ia32_sys_vfork+0x130/0x130 [ 32.706160][ T424] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 32.712249][ T424] x64_sys_call+0x41f/0x9a0 [ 32.716775][ T424] do_syscall_64+0x4c/0xa0 [ 32.721213][ T424] ? clear_bhb_loop+0x50/0xa0 [ 32.725905][ T424] ? clear_bhb_loop+0x50/0xa0 [ 32.730593][ T424] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 32.736504][ T424] RIP: 0033:0x7f2602fefe59 [ 32.740970][ T424] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 32.760593][ T424] RSP: 002b:00007f2602e50fd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 32.769021][ T424] RAX: ffffffffffffffda RBX: 00007f2603277fa0 RCX: 00007f2602fefe59 [ 32.777007][ T424] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040042600 [ 32.784991][ T424] RBP: 00007f2602e51090 R08: 0000000000000000 R09: 0000000000000000 [ 32.792978][ T424] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 32.800965][ T424] R13: 00007f2603278038 R14: 00007f2603277fa0 R15: 00007ffd3a757ef8 [ 32.808951][ T424] [ 32.813219][ T422] CPU: 0 PID: 422 Comm: syz.5.26 Not tainted syzkaller #0 [ 32.820366][ T422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 32.830447][ T422] Call Trace: [ 32.833940][ T422] [ 32.836898][ T422] __dump_stack+0x21/0x30 [ 32.841275][ T422] dump_stack_lvl+0x110/0x170 [ 32.845990][ T422] ? show_regs_print_info+0x20/0x20 [ 32.851218][ T422] dump_stack+0x15/0x20 [ 32.855403][ T422] should_fail+0x3ab/0x500 [ 32.859860][ T422] __should_failslab+0xa4/0xe0 [ 32.864661][ T422] should_failslab+0x9/0x20 [ 32.869193][ T422] slab_pre_alloc_hook+0x39/0xd0 [ 32.874169][ T422] ? vm_area_dup+0x26/0x210 [ 32.878702][ T422] kmem_cache_alloc+0x44/0x260 [ 32.883582][ T422] vm_area_dup+0x26/0x210 [ 32.887944][ T422] copy_mm+0x963/0x13a0 [ 32.889733][ T428] FAULT_INJECTION: forcing a failure. [ 32.889733][ T428] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 32.892134][ T422] ? copy_signal+0x5f0/0x5f0 [ 32.909917][ T422] ? __init_rwsem+0xfc/0x1d0 [ 32.914579][ T422] ? copy_signal+0x4cc/0x5f0 [ 32.919193][ T422] copy_process+0x1184/0x3280 [ 32.923906][ T422] ? __kasan_check_write+0x14/0x20 [ 32.929059][ T422] ? __pidfd_prepare+0x150/0x150 [ 32.934028][ T422] kernel_clone+0x233/0x960 [ 32.938566][ T422] ? create_io_thread+0x170/0x170 [ 32.943631][ T422] ? __kasan_check_write+0x14/0x20 [ 32.948770][ T422] ? mutex_unlock+0x8f/0x230 [ 32.953400][ T422] __x64_sys_clone+0x198/0x210 [ 32.958231][ T422] ? __kasan_check_write+0x14/0x20 [ 32.963373][ T422] ? __ia32_sys_vfork+0x130/0x130 [ 32.968429][ T422] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 32.974619][ T422] x64_sys_call+0x41f/0x9a0 [ 32.979136][ T422] do_syscall_64+0x4c/0xa0 [ 32.983567][ T422] ? clear_bhb_loop+0x50/0xa0 [ 32.988258][ T422] ? clear_bhb_loop+0x50/0xa0 [ 32.992959][ T422] entry_SYSCALL_64_after_hwframe+0x66/0xd0 2026/07/10 20:46:34 executed programs: 23 [ 32.998874][ T422] RIP: 0033:0x7fb634ce0e59 [ 33.003305][ T422] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 33.022927][ T422] RSP: 002b:00007fb634b41fd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 33.031381][ T422] RAX: ffffffffffffffda RBX: 00007fb634f68fa0 RCX: 00007fb634ce0e59 [ 33.039379][ T422] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040042600 [ 33.047373][ T422] RBP: 00007fb634b42090 R08: 0000000000000000 R09: 0000000000000000 [ 33.055358][ T422] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 33.063355][ T422] R13: 00007fb634f69038 R14: 00007fb634f68fa0 R15: 00007ffcd9e7eeb8 [ 33.063649][ T432] FAULT_INJECTION: forcing a failure. [ 33.063649][ T432] name failslab, interval 1, probability 0, space 0, times 0 [ 33.071351][ T422] [ 33.087025][ T435] FAULT_INJECTION: forcing a failure. [ 33.087025][ T435] name failslab, interval 1, probability 0, space 0, times 0 [ 33.100142][ T435] CPU: 0 PID: 435 Comm: syz.4.31 Not tainted syzkaller #0 [ 33.107286][ T435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 33.117355][ T435] Call Trace: [ 33.120651][ T435] [ 33.123596][ T435] __dump_stack+0x21/0x30 [ 33.127973][ T435] dump_stack_lvl+0x110/0x170 [ 33.132672][ T435] ? show_regs_print_info+0x20/0x20 [ 33.137892][ T435] dump_stack+0x15/0x20 [ 33.142063][ T435] should_fail+0x3ab/0x500 [ 33.146499][ T435] __should_failslab+0xa4/0xe0 [ 33.151291][ T435] should_failslab+0x9/0x20 [ 33.155814][ T435] slab_pre_alloc_hook+0x39/0xd0 [ 33.160776][ T435] ? anon_vma_clone+0xb7/0x4c0 [ 33.165568][ T435] kmem_cache_alloc+0x44/0x260 [ 33.170359][ T435] anon_vma_clone+0xb7/0x4c0 [ 33.174978][ T435] anon_vma_fork+0x8f/0x520 [ 33.179506][ T435] ? anon_vma_name+0x4c/0x70 [ 33.184121][ T435] copy_mm+0x9f9/0x13a0 [ 33.188307][ T435] ? copy_signal+0x5f0/0x5f0 [ 33.192913][ T435] ? __init_rwsem+0xfc/0x1d0 [ 33.197607][ T435] ? copy_signal+0x4cc/0x5f0 [ 33.202220][ T435] copy_process+0x1184/0x3280 [ 33.207007][ T435] ? __kasan_check_write+0x14/0x20 [ 33.210700][ T434] FAULT_INJECTION: forcing a failure. [ 33.210700][ T434] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 33.212133][ T435] ? __pidfd_prepare+0x150/0x150 [ 33.230264][ T435] kernel_clone+0x233/0x960 [ 33.234796][ T435] ? create_io_thread+0x170/0x170 [ 33.239847][ T435] ? __kasan_check_write+0x14/0x20 [ 33.244976][ T435] ? mutex_unlock+0x8f/0x230 [ 33.249592][ T435] __x64_sys_clone+0x198/0x210 [ 33.254383][ T435] ? __kasan_check_write+0x14/0x20 [ 33.259531][ T435] ? __ia32_sys_vfork+0x130/0x130 [ 33.264577][ T435] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 33.270752][ T435] x64_sys_call+0x41f/0x9a0 [ 33.275283][ T435] do_syscall_64+0x4c/0xa0 [ 33.279718][ T435] ? clear_bhb_loop+0x50/0xa0 [ 33.284412][ T435] ? clear_bhb_loop+0x50/0xa0 [ 33.289099][ T435] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 33.295013][ T435] RIP: 0033:0x7f932e8b5e59 [ 33.299443][ T435] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 33.319059][ T435] RSP: 002b:00007f932e716fd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 33.327488][ T435] RAX: ffffffffffffffda RBX: 00007f932eb3dfa0 RCX: 00007f932e8b5e59 [ 33.335479][ T435] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040042600 [ 33.343464][ T435] RBP: 00007f932e717090 R08: 0000000000000000 R09: 0000000000000000 [ 33.351452][ T435] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 33.359445][ T435] R13: 00007f932eb3e038 R14: 00007f932eb3dfa0 R15: 00007fff791413a8 [ 33.367451][ T435] [ 33.370493][ T432] CPU: 1 PID: 432 Comm: syz.1.30 Not tainted syzkaller #0 [ 33.377640][ T432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 33.381527][ T437] FAULT_INJECTION: forcing a failure. [ 33.381527][ T437] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 33.387716][ T432] Call Trace: [ 33.387723][ T432] [ 33.387730][ T432] __dump_stack+0x21/0x30 [ 33.387752][ T432] dump_stack_lvl+0x110/0x170 [ 33.387770][ T432] ? show_regs_print_info+0x20/0x20 [ 33.421575][ T432] dump_stack+0x15/0x20 [ 33.425757][ T432] should_fail+0x3ab/0x500 [ 33.430193][ T432] __should_failslab+0xa4/0xe0 [ 33.434981][ T432] should_failslab+0x9/0x20 [ 33.439502][ T432] slab_pre_alloc_hook+0x39/0xd0 [ 33.444454][ T432] ? anon_vma_fork+0xf8/0x520 [ 33.449150][ T432] kmem_cache_alloc+0x44/0x260 [ 33.453934][ T432] anon_vma_fork+0xf8/0x520 [ 33.458451][ T432] ? anon_vma_name+0x4c/0x70 [ 33.463060][ T432] copy_mm+0x9f9/0x13a0 [ 33.467247][ T432] ? copy_signal+0x5f0/0x5f0 [ 33.471854][ T432] ? __init_rwsem+0xfc/0x1d0 [ 33.476466][ T432] ? copy_signal+0x4cc/0x5f0 [ 33.481071][ T432] copy_process+0x1184/0x3280 [ 33.485773][ T432] ? __kasan_check_write+0x14/0x20 [ 33.490907][ T432] ? __pidfd_prepare+0x150/0x150 [ 33.495867][ T432] kernel_clone+0x233/0x960 [ 33.500400][ T432] ? create_io_thread+0x170/0x170 [ 33.505443][ T432] ? __kasan_check_write+0x14/0x20 [ 33.510571][ T432] ? mutex_unlock+0x8f/0x230 [ 33.515176][ T432] __x64_sys_clone+0x198/0x210 [ 33.519960][ T432] ? __kasan_check_write+0x14/0x20 [ 33.525097][ T432] ? __ia32_sys_vfork+0x130/0x130 [ 33.530145][ T432] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 33.536235][ T432] x64_sys_call+0x41f/0x9a0 [ 33.540764][ T432] do_syscall_64+0x4c/0xa0 [ 33.545200][ T432] ? clear_bhb_loop+0x50/0xa0 [ 33.549893][ T432] ? clear_bhb_loop+0x50/0xa0 [ 33.554584][ T432] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 33.560495][ T432] RIP: 0033:0x7f71c4d3ce59 [ 33.564928][ T432] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 33.584557][ T432] RSP: 002b:00007f71c4b9dfd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 33.592999][ T432] RAX: ffffffffffffffda RBX: 00007f71c4fc4fa0 RCX: 00007f71c4d3ce59 [ 33.600992][ T432] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040042600 [ 33.608980][ T432] RBP: 00007f71c4b9e090 R08: 0000000000000000 R09: 0000000000000000 [ 33.616987][ T432] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 33.624982][ T432] R13: 00007f71c4fc5038 R14: 00007f71c4fc4fa0 R15: 00007fff2f81e588 [ 33.633013][ T432] [ 33.636815][ T437] CPU: 0 PID: 437 Comm: syz.5.33 Not tainted syzkaller #0 [ 33.643967][ T437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 33.654046][ T437] Call Trace: [ 33.657352][ T437] [ 33.660314][ T437] __dump_stack+0x21/0x30 [ 33.664672][ T437] dump_stack_lvl+0x110/0x170 [ 33.669454][ T437] ? show_regs_print_info+0x20/0x20 [ 33.674676][ T437] dump_stack+0x15/0x20 [ 33.678849][ T437] should_fail+0x3ab/0x500 [ 33.683290][ T437] should_fail_alloc_page+0x55/0x80 [ 33.688520][ T437] prepare_alloc_pages+0x13f/0x590 [ 33.693652][ T437] ? __alloc_pages_bulk+0xab0/0xab0 [ 33.698873][ T437] ? __kasan_check_write+0x14/0x20 [ 33.704003][ T437] __alloc_pages+0x11d/0x460 [ 33.708606][ T437] ? prep_new_page+0x110/0x110 [ 33.713388][ T437] ? avc_has_perm_noaudit+0x30a/0x490 [ 33.718774][ T437] new_slab+0xa0/0x4d0 [ 33.722855][ T437] ___slab_alloc+0x3ac/0x840 [ 33.727456][ T437] ? vm_area_dup+0x26/0x210 [ 33.731976][ T437] ? vm_area_dup+0x26/0x210 [ 33.736496][ T437] __slab_alloc+0x49/0x90 [ 33.740840][ T437] ? vm_area_dup+0x26/0x210 [ 33.745352][ T437] kmem_cache_alloc+0x138/0x260 [ 33.750244][ T437] vm_area_dup+0x26/0x210 [ 33.754588][ T437] copy_mm+0x963/0x13a0 [ 33.758770][ T437] ? copy_signal+0x5f0/0x5f0 [ 33.763443][ T437] ? __init_rwsem+0xfc/0x1d0 [ 33.768050][ T437] ? copy_signal+0x4cc/0x5f0 [ 33.772666][ T437] copy_process+0x1184/0x3280 [ 33.777369][ T437] ? __kasan_check_write+0x14/0x20 [ 33.782510][ T437] ? __pidfd_prepare+0x150/0x150 [ 33.787475][ T437] kernel_clone+0x233/0x960 [ 33.792141][ T437] ? create_io_thread+0x170/0x170 [ 33.797189][ T437] ? __kasan_check_write+0x14/0x20 [ 33.802322][ T437] ? mutex_unlock+0x8f/0x230 [ 33.806943][ T437] __x64_sys_clone+0x198/0x210 [ 33.811728][ T437] ? __kasan_check_write+0x14/0x20 [ 33.816866][ T437] ? __ia32_sys_vfork+0x130/0x130 [ 33.821905][ T437] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 33.827993][ T437] x64_sys_call+0x41f/0x9a0 [ 33.832512][ T437] do_syscall_64+0x4c/0xa0 [ 33.836942][ T437] ? clear_bhb_loop+0x50/0xa0 [ 33.841633][ T437] ? clear_bhb_loop+0x50/0xa0 [ 33.846363][ T437] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 33.852283][ T437] RIP: 0033:0x7fb634ce0e59 [ 33.856718][ T437] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 33.876345][ T437] RSP: 002b:00007fb634b41fd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 33.884782][ T437] RAX: ffffffffffffffda RBX: 00007fb634f68fa0 RCX: 00007fb634ce0e59 [ 33.892770][ T437] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040042600 [ 33.900755][ T437] RBP: 00007fb634b42090 R08: 0000000000000000 R09: 0000000000000000 [ 33.908828][ T437] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 33.916807][ T437] R13: 00007fb634f69038 R14: 00007fb634f68fa0 R15: 00007ffcd9e7eeb8 [ 33.924793][ T437] [ 33.929494][ T428] CPU: 0 PID: 428 Comm: syz.3.29 Not tainted syzkaller #0 [ 33.936654][ T428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 33.946728][ T428] Call Trace: [ 33.950024][ T428] [ 33.952975][ T428] __dump_stack+0x21/0x30 [ 33.957316][ T428] dump_stack_lvl+0x110/0x170 [ 33.962000][ T428] ? show_regs_print_info+0x20/0x20 [ 33.967210][ T428] dump_stack+0x15/0x20 [ 33.971461][ T428] should_fail+0x3ab/0x500 [ 33.975894][ T428] should_fail_alloc_page+0x55/0x80 [ 33.981101][ T428] prepare_alloc_pages+0x13f/0x590 [ 33.986271][ T428] ? __alloc_pages_bulk+0xab0/0xab0 [ 33.991485][ T428] ? is_bpf_text_address+0x177/0x190 [ 33.996785][ T428] __alloc_pages+0x11d/0x460 [ 34.001388][ T428] ? stack_trace_save+0xf0/0xf0 [ 34.006250][ T428] ? prep_new_page+0x110/0x110 [ 34.011027][ T428] ? stack_trace_save+0xa6/0xf0 [ 34.015891][ T428] __pmd_alloc+0x9f/0x4b0 [ 34.020235][ T428] ? __pud_alloc+0x1a0/0x1a0 [ 34.024837][ T428] ? __kasan_slab_alloc+0xc9/0xe0 [ 34.029871][ T428] ? __kasan_slab_alloc+0xb7/0xe0 [ 34.034910][ T428] ? slab_post_alloc_hook+0x4f/0x2b0 [ 34.040216][ T428] ? kmem_cache_alloc+0xf7/0x260 [ 34.045182][ T428] ? anon_vma_fork+0x1ff/0x520 [ 34.049963][ T428] ? copy_mm+0x9f9/0x13a0 [ 34.054303][ T428] ? copy_process+0x1184/0x3280 [ 34.059165][ T428] ? kernel_clone+0x233/0x960 [ 34.063853][ T428] ? __x64_sys_clone+0x198/0x210 [ 34.068810][ T428] copy_page_range+0x249a/0x2830 [ 34.073767][ T428] ? rwsem_write_trylock+0x136/0x300 [ 34.079093][ T428] ? pfn_valid+0x1c0/0x1c0 [ 34.083526][ T428] copy_mm+0xc01/0x13a0 [ 34.087697][ T428] ? copy_signal+0x5f0/0x5f0 [ 34.092299][ T428] ? __init_rwsem+0xfc/0x1d0 [ 34.096905][ T428] ? copy_signal+0x4cc/0x5f0 [ 34.101512][ T428] copy_process+0x1184/0x3280 [ 34.106201][ T428] ? __kasan_check_write+0x14/0x20 [ 34.111325][ T428] ? __pidfd_prepare+0x150/0x150 [ 34.116277][ T428] kernel_clone+0x233/0x960 [ 34.120794][ T428] ? create_io_thread+0x170/0x170 [ 34.125829][ T428] ? __kasan_check_write+0x14/0x20 [ 34.130949][ T428] ? mutex_unlock+0x8f/0x230 [ 34.135553][ T428] __x64_sys_clone+0x198/0x210 [ 34.140331][ T428] ? __kasan_check_write+0x14/0x20 [ 34.145457][ T428] ? __ia32_sys_vfork+0x130/0x130 [ 34.150505][ T428] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 34.156591][ T428] x64_sys_call+0x41f/0x9a0 [ 34.161104][ T428] do_syscall_64+0x4c/0xa0 [ 34.165532][ T428] ? clear_bhb_loop+0x50/0xa0 [ 34.170219][ T428] ? clear_bhb_loop+0x50/0xa0 [ 34.174905][ T428] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 34.180812][ T428] RIP: 0033:0x7ff4ac300e59 [ 34.185240][ T428] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 34.205041][ T428] RSP: 002b:00007ff4ac140fd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 34.213468][ T428] RAX: ffffffffffffffda RBX: 00007ff4ac589090 RCX: 00007ff4ac300e59 [ 34.221467][ T428] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040042600 [ 34.229486][ T428] RBP: 00007ff4ac141090 R08: 0000000000000000 R09: 0000000000000000 [ 34.237470][ T428] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 34.245451][ T428] R13: 00007ff4ac589128 R14: 00007ff4ac589090 R15: 00007ffebaf82998 [ 34.253465][ T428] [ 34.260675][ T434] CPU: 0 PID: 434 Comm: syz.6.32 Not tainted syzkaller #0 [ 34.267837][ T434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 34.277915][ T434] Call Trace: [ 34.281217][ T434] [ 34.284603][ T434] __dump_stack+0x21/0x30 [ 34.288963][ T434] dump_stack_lvl+0x110/0x170 [ 34.293674][ T434] ? show_regs_print_info+0x20/0x20 [ 34.298902][ T434] dump_stack+0x15/0x20 [ 34.303095][ T434] should_fail+0x3ab/0x500 [ 34.307545][ T434] should_fail_alloc_page+0x55/0x80 [ 34.312779][ T434] prepare_alloc_pages+0x13f/0x590 [ 34.317933][ T434] ? __alloc_pages_bulk+0xab0/0xab0 [ 34.323171][ T434] ? prepare_alloc_pages+0x2e7/0x590 [ 34.324293][ T439] FAULT_INJECTION: forcing a failure. [ 34.324293][ T439] name failslab, interval 1, probability 0, space 0, times 0 [ 34.328486][ T434] ? __alloc_pages+0x460/0x460 [ 34.328511][ T434] __alloc_pages+0x11d/0x460 [ 34.328533][ T434] ? prep_new_page+0x110/0x110 [ 34.355518][ T434] ? __kasan_check_write+0x14/0x20 [ 34.360658][ T434] ? _raw_spin_lock+0x94/0xf0 [ 34.365359][ T434] pte_alloc_one+0x70/0x190 [ 34.369881][ T434] ? pfn_modify_allowed+0x2f0/0x2f0 [ 34.375102][ T434] ? _raw_spin_unlock+0x4d/0x70 [ 34.380004][ T434] ? __pmd_alloc+0x406/0x4b0 [ 34.384615][ T434] ? __kasan_check_write+0x14/0x20 [ 34.389741][ T434] __pte_alloc+0x75/0x2a0 [ 34.394082][ T434] ? __pud_alloc+0x1a0/0x1a0 [ 34.398692][ T434] ? __kasan_slab_alloc+0xc9/0xe0 [ 34.403817][ T434] ? free_pgtables+0x280/0x280 [ 34.408596][ T434] ? _raw_spin_unlock+0x4d/0x70 [ 34.413477][ T434] copy_page_range+0x228c/0x2830 [ 34.418454][ T434] ? pfn_valid+0x1c0/0x1c0 [ 34.422897][ T434] copy_mm+0xc01/0x13a0 [ 34.427083][ T434] ? copy_signal+0x5f0/0x5f0 [ 34.431698][ T434] ? __init_rwsem+0xfc/0x1d0 [ 34.436314][ T434] ? copy_signal+0x4cc/0x5f0 [ 34.440927][ T434] copy_process+0x1184/0x3280 [ 34.445634][ T434] ? __kasan_check_write+0x14/0x20 [ 34.450815][ T434] ? __pidfd_prepare+0x150/0x150 [ 34.455893][ T434] kernel_clone+0x233/0x960 [ 34.460420][ T434] ? create_io_thread+0x170/0x170 [ 34.464684][ T441] FAULT_INJECTION: forcing a failure. [ 34.464684][ T441] name failslab, interval 1, probability 0, space 0, times 0 [ 34.465479][ T434] ? __kasan_check_write+0x14/0x20 [ 34.483183][ T434] ? mutex_unlock+0x8f/0x230 [ 34.487982][ T434] __x64_sys_clone+0x198/0x210 [ 34.492779][ T434] ? __kasan_check_write+0x14/0x20 [ 34.497912][ T434] ? __ia32_sys_vfork+0x130/0x130 [ 34.502973][ T434] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 34.509075][ T434] x64_sys_call+0x41f/0x9a0 [ 34.513604][ T434] do_syscall_64+0x4c/0xa0 [ 34.518034][ T434] ? clear_bhb_loop+0x50/0xa0 [ 34.522741][ T434] ? clear_bhb_loop+0x50/0xa0 [ 34.527554][ T434] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 34.533475][ T434] RIP: 0033:0x7f2602fefe59 [ 34.537918][ T434] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 34.557543][ T434] RSP: 002b:00007f2602e50fd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 34.565983][ T434] RAX: ffffffffffffffda RBX: 00007f2603277fa0 RCX: 00007f2602fefe59 [ 34.573987][ T434] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040042600 [ 34.582194][ T434] RBP: 00007f2602e51090 R08: 0000000000000000 R09: 0000000000000000 [ 34.590195][ T434] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 34.598195][ T434] R13: 00007f2603278038 R14: 00007f2603277fa0 R15: 00007ffd3a757ef8 [ 34.603381][ T444] FAULT_INJECTION: forcing a failure. [ 34.603381][ T444] name failslab, interval 1, probability 0, space 0, times 0 [ 34.606196][ T434] [ 34.621811][ T441] CPU: 1 PID: 441 Comm: syz.1.34 Not tainted syzkaller #0 [ 34.629208][ T441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 34.639283][ T441] Call Trace: [ 34.642577][ T441] [ 34.645523][ T441] __dump_stack+0x21/0x30 [ 34.649862][ T441] dump_stack_lvl+0x110/0x170 [ 34.654546][ T441] ? show_regs_print_info+0x20/0x20 [ 34.659752][ T441] dump_stack+0x15/0x20 [ 34.663923][ T441] should_fail+0x3ab/0x500 [ 34.668349][ T441] __should_failslab+0xa4/0xe0 [ 34.673159][ T441] should_failslab+0x9/0x20 [ 34.677853][ T441] slab_pre_alloc_hook+0x39/0xd0 [ 34.682813][ T441] ? anon_vma_clone+0xb7/0x4c0 [ 34.687603][ T441] kmem_cache_alloc+0x44/0x260 [ 34.692397][ T441] anon_vma_clone+0xb7/0x4c0 [ 34.697005][ T441] anon_vma_fork+0x8f/0x520 [ 34.701520][ T441] ? anon_vma_name+0x4c/0x70 [ 34.706130][ T441] copy_mm+0x9f9/0x13a0 [ 34.710308][ T441] ? copy_signal+0x5f0/0x5f0 [ 34.714914][ T441] ? __init_rwsem+0xfc/0x1d0 [ 34.719555][ T441] ? copy_signal+0x4cc/0x5f0 [ 34.724157][ T441] copy_process+0x1184/0x3280 [ 34.728852][ T441] ? __kasan_check_write+0x14/0x20 [ 34.734242][ T441] ? __pidfd_prepare+0x150/0x150 [ 34.739191][ T441] kernel_clone+0x233/0x960 [ 34.743714][ T441] ? create_io_thread+0x170/0x170 [ 34.748927][ T441] ? __kasan_check_write+0x14/0x20 [ 34.754053][ T441] ? mutex_unlock+0x8f/0x230 [ 34.758653][ T441] __x64_sys_clone+0x198/0x210 [ 34.763430][ T441] ? __kasan_check_write+0x14/0x20 [ 34.768572][ T441] ? __ia32_sys_vfork+0x130/0x130 [ 34.773611][ T441] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 34.779689][ T441] x64_sys_call+0x41f/0x9a0 [ 34.784210][ T441] do_syscall_64+0x4c/0xa0 [ 34.788635][ T441] ? clear_bhb_loop+0x50/0xa0 [ 34.793423][ T441] ? clear_bhb_loop+0x50/0xa0 [ 34.798108][ T441] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 34.804010][ T441] RIP: 0033:0x7f71c4d3ce59 [ 34.808434][ T441] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 34.828404][ T441] RSP: 002b:00007f71c4b9dfd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 34.836832][ T441] RAX: ffffffffffffffda RBX: 00007f71c4fc4fa0 RCX: 00007f71c4d3ce59 [ 34.844812][ T441] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040042600 [ 34.852802][ T441] RBP: 00007f71c4b9e090 R08: 0000000000000000 R09: 0000000000000000 [ 34.860783][ T441] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 34.868770][ T441] R13: 00007f71c4fc5038 R14: 00007f71c4fc4fa0 R15: 00007fff2f81e588 [ 34.876754][ T441] [ 34.886594][ T439] CPU: 1 PID: 439 Comm: syz.3.35 Not tainted syzkaller #0 [ 34.893751][ T439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 34.903838][ T439] Call Trace: [ 34.907137][ T439] [ 34.909170][ T446] FAULT_INJECTION: forcing a failure. [ 34.909170][ T446] name failslab, interval 1, probability 0, space 0, times 0 [ 34.910089][ T439] __dump_stack+0x21/0x30 [ 34.927023][ T439] dump_stack_lvl+0x110/0x170 [ 34.931727][ T439] ? show_regs_print_info+0x20/0x20 [ 34.936949][ T439] dump_stack+0x15/0x20 [ 34.941120][ T439] should_fail+0x3ab/0x500 [ 34.945560][ T439] __should_failslab+0xa4/0xe0 [ 34.950374][ T439] should_failslab+0x9/0x20 [ 34.954906][ T439] slab_pre_alloc_hook+0x39/0xd0 [ 34.959864][ T439] ? anon_vma_clone+0xb7/0x4c0 [ 34.964648][ T439] kmem_cache_alloc+0x44/0x260 [ 34.969445][ T439] anon_vma_clone+0xb7/0x4c0 [ 34.974059][ T439] anon_vma_fork+0x8f/0x520 [ 34.978577][ T439] ? anon_vma_name+0x4c/0x70 [ 34.983183][ T439] copy_mm+0x9f9/0x13a0 [ 34.987355][ T439] ? copy_signal+0x5f0/0x5f0 [ 34.991970][ T439] ? __init_rwsem+0xfc/0x1d0 [ 34.996577][ T439] ? copy_signal+0x4cc/0x5f0 [ 35.001187][ T439] copy_process+0x1184/0x3280 [ 35.005886][ T439] ? __kasan_check_write+0x14/0x20 [ 35.011015][ T439] ? __pidfd_prepare+0x150/0x150 [ 35.015980][ T439] kernel_clone+0x233/0x960 [ 35.020503][ T439] ? create_io_thread+0x170/0x170 [ 35.025555][ T439] ? __kasan_check_write+0x14/0x20 [ 35.030690][ T439] ? mutex_unlock+0x8f/0x230 [ 35.035302][ T439] __x64_sys_clone+0x198/0x210 [ 35.040088][ T439] ? __kasan_check_write+0x14/0x20 [ 35.045300][ T439] ? __ia32_sys_vfork+0x130/0x130 [ 35.050347][ T439] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 35.056427][ T439] x64_sys_call+0x41f/0x9a0 [ 35.060945][ T439] do_syscall_64+0x4c/0xa0 [ 35.065467][ T439] ? clear_bhb_loop+0x50/0xa0 [ 35.070167][ T439] ? clear_bhb_loop+0x50/0xa0 [ 35.074856][ T439] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 35.080770][ T439] RIP: 0033:0x7ff4ac300e59 [ 35.085198][ T439] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 35.104993][ T439] RSP: 002b:00007ff4ac161fd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 35.113622][ T439] RAX: ffffffffffffffda RBX: 00007ff4ac588fa0 RCX: 00007ff4ac300e59 [ 35.121705][ T439] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040042600 [ 35.129697][ T439] RBP: 00007ff4ac162090 R08: 0000000000000000 R09: 0000000000000000 [ 35.137685][ T439] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 35.145674][ T439] R13: 00007ff4ac589038 R14: 00007ff4ac588fa0 R15: 00007ffebaf82998 [ 35.153662][ T439] [ 35.156693][ T444] CPU: 0 PID: 444 Comm: syz.5.36 Not tainted syzkaller #0 [ 35.163887][ T444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 35.173967][ T444] Call Trace: [ 35.177273][ T444] [ 35.180232][ T444] __dump_stack+0x21/0x30 [ 35.184592][ T444] dump_stack_lvl+0x110/0x170 [ 35.189302][ T444] ? show_regs_print_info+0x20/0x20 [ 35.194527][ T444] dump_stack+0x15/0x20 [ 35.198705][ T444] should_fail+0x3ab/0x500 [ 35.203146][ T444] __should_failslab+0xa4/0xe0 [ 35.207942][ T444] should_failslab+0x9/0x20 [ 35.212476][ T444] slab_pre_alloc_hook+0x39/0xd0 [ 35.217444][ T444] ? anon_vma_clone+0xb7/0x4c0 [ 35.222231][ T444] kmem_cache_alloc+0x44/0x260 [ 35.227025][ T444] anon_vma_clone+0xb7/0x4c0 [ 35.231643][ T444] anon_vma_fork+0x8f/0x520 [ 35.236172][ T444] ? anon_vma_name+0x4c/0x70 [ 35.240788][ T444] copy_mm+0x9f9/0x13a0 [ 35.244971][ T444] ? copy_signal+0x5f0/0x5f0 [ 35.249584][ T444] ? __init_rwsem+0xfc/0x1d0 [ 35.254201][ T444] ? copy_signal+0x4cc/0x5f0 [ 35.258817][ T444] copy_process+0x1184/0x3280 [ 35.263532][ T444] ? __kasan_check_write+0x14/0x20 [ 35.268681][ T444] ? __pidfd_prepare+0x150/0x150 [ 35.273649][ T444] kernel_clone+0x233/0x960 [ 35.278190][ T444] ? create_io_thread+0x170/0x170 [ 35.283248][ T444] ? __kasan_check_write+0x14/0x20 [ 35.288397][ T444] ? mutex_unlock+0x8f/0x230 [ 35.293021][ T444] __x64_sys_clone+0x198/0x210 [ 35.297810][ T444] ? __kasan_check_write+0x14/0x20 [ 35.302951][ T444] ? __ia32_sys_vfork+0x130/0x130 [ 35.308009][ T444] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 35.314095][ T444] x64_sys_call+0x41f/0x9a0 [ 35.318615][ T444] do_syscall_64+0x4c/0xa0 [ 35.323049][ T444] ? clear_bhb_loop+0x50/0xa0 [ 35.327736][ T444] ? clear_bhb_loop+0x50/0xa0 [ 35.332432][ T444] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 35.338337][ T444] RIP: 0033:0x7fb634ce0e59 [ 35.342771][ T444] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 35.362390][ T444] RSP: 002b:00007fb634b41fd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 35.370823][ T444] RAX: ffffffffffffffda RBX: 00007fb634f68fa0 RCX: 00007fb634ce0e59 [ 35.378809][ T444] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040042600 [ 35.386791][ T444] RBP: 00007fb634b42090 R08: 0000000000000000 R09: 0000000000000000 [ 35.394922][ T444] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 35.402913][ T444] R13: 00007fb634f69038 R14: 00007fb634f68fa0 R15: 00007ffcd9e7eeb8 [ 35.410917][ T444] [ 35.417333][ T452] FAULT_INJECTION: forcing a failure. [ 35.417333][ T452] name failslab, interval 1, probability 0, space 0, times 0 [ 35.430214][ T446] CPU: 0 PID: 446 Comm: syz.6.37 Not tainted syzkaller #0 [ 35.437351][ T446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 35.447445][ T446] Call Trace: [ 35.450757][ T446] [ 35.453714][ T446] __dump_stack+0x21/0x30 [ 35.458072][ T446] dump_stack_lvl+0x110/0x170 [ 35.462766][ T446] ? show_regs_print_info+0x20/0x20 [ 35.467987][ T446] dump_stack+0x15/0x20 [ 35.472167][ T446] should_fail+0x3ab/0x500 [ 35.476611][ T446] __should_failslab+0xa4/0xe0 [ 35.481399][ T446] should_failslab+0x9/0x20 [ 35.485918][ T446] slab_pre_alloc_hook+0x39/0xd0 [ 35.490886][ T446] ? anon_vma_clone+0xb7/0x4c0 [ 35.495692][ T446] kmem_cache_alloc+0x44/0x260 [ 35.500497][ T446] anon_vma_clone+0xb7/0x4c0 [ 35.505115][ T446] anon_vma_fork+0x8f/0x520 [ 35.509650][ T446] ? anon_vma_name+0x4c/0x70 [ 35.514274][ T446] copy_mm+0x9f9/0x13a0 [ 35.518449][ T446] ? copy_signal+0x5f0/0x5f0 [ 35.523054][ T446] ? __init_rwsem+0xfc/0x1d0 [ 35.527657][ T446] ? copy_signal+0x4cc/0x5f0 [ 35.532268][ T446] copy_process+0x1184/0x3280 [ 35.536971][ T446] ? __kasan_check_write+0x14/0x20 [ 35.542101][ T446] ? __pidfd_prepare+0x150/0x150 [ 35.547060][ T446] kernel_clone+0x233/0x960 [ 35.551583][ T446] ? create_io_thread+0x170/0x170 [ 35.556621][ T446] ? __kasan_check_write+0x14/0x20 [ 35.561740][ T446] ? mutex_unlock+0x8f/0x230 [ 35.566343][ T446] __x64_sys_clone+0x198/0x210 [ 35.571119][ T446] ? __kasan_check_write+0x14/0x20 [ 35.576249][ T446] ? __ia32_sys_vfork+0x130/0x130 [ 35.581289][ T446] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 35.587372][ T446] x64_sys_call+0x41f/0x9a0 [ 35.592435][ T446] do_syscall_64+0x4c/0xa0 [ 35.596866][ T446] ? clear_bhb_loop+0x50/0xa0 [ 35.601555][ T446] ? clear_bhb_loop+0x50/0xa0 [ 35.606246][ T446] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 35.612156][ T446] RIP: 0033:0x7f2602fefe59 [ 35.616590][ T446] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 35.636214][ T446] RSP: 002b:00007f2602e50fd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 35.644649][ T446] RAX: ffffffffffffffda RBX: 00007f2603277fa0 RCX: 00007f2602fefe59 [ 35.652645][ T446] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040042600 [ 35.660631][ T446] RBP: 00007f2602e51090 R08: 0000000000000000 R09: 0000000000000000 [ 35.668616][ T446] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 35.676598][ T446] R13: 00007f2603278038 R14: 00007f2603277fa0 R15: 00007ffd3a757ef8 [ 35.684586][ T446] [ 35.688004][ T452] CPU: 1 PID: 452 Comm: syz.1.39 Not tainted syzkaller #0 [ 35.695164][ T452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 35.705250][ T452] Call Trace: [ 35.708542][ T452] [ 35.711490][ T452] __dump_stack+0x21/0x30 [ 35.715838][ T452] dump_stack_lvl+0x110/0x170 [ 35.720528][ T452] ? show_regs_print_info+0x20/0x20 [ 35.725742][ T452] dump_stack+0x15/0x20 [ 35.729913][ T452] should_fail+0x3ab/0x500 [ 35.734433][ T452] __should_failslab+0xa4/0xe0 [ 35.739221][ T452] should_failslab+0x9/0x20 [ 35.743740][ T452] slab_pre_alloc_hook+0x39/0xd0 [ 35.748693][ T452] ? anon_vma_clone+0xb7/0x4c0 [ 35.753469][ T452] kmem_cache_alloc+0x44/0x260 [ 35.758251][ T452] anon_vma_clone+0xb7/0x4c0 [ 35.762857][ T452] anon_vma_fork+0x8f/0x520 [ 35.767374][ T452] ? anon_vma_name+0x4c/0x70 [ 35.771973][ T452] copy_mm+0x9f9/0x13a0 [ 35.776143][ T452] ? copy_signal+0x5f0/0x5f0 [ 35.780740][ T452] ? __init_rwsem+0xfc/0x1d0 [ 35.785630][ T452] ? copy_signal+0x4cc/0x5f0 [ 35.790321][ T452] copy_process+0x1184/0x3280 [ 35.795011][ T452] ? __kasan_check_write+0x14/0x20 [ 35.800147][ T452] ? __pidfd_prepare+0x150/0x150 [ 35.805102][ T452] kernel_clone+0x233/0x960 [ 35.809624][ T452] ? create_io_thread+0x170/0x170 [ 35.814661][ T452] ? __kasan_check_write+0x14/0x20 [ 35.819795][ T452] ? mutex_unlock+0x8f/0x230 [ 35.824396][ T452] __x64_sys_clone+0x198/0x210 [ 35.829171][ T452] ? __kasan_check_write+0x14/0x20 [ 35.834295][ T452] ? __ia32_sys_vfork+0x130/0x130 [ 35.839336][ T452] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 35.845562][ T452] x64_sys_call+0x41f/0x9a0 [ 35.850098][ T452] do_syscall_64+0x4c/0xa0 [ 35.854562][ T452] ? clear_bhb_loop+0x50/0xa0 [ 35.859261][ T452] ? clear_bhb_loop+0x50/0xa0 [ 35.863950][ T452] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 35.869862][ T452] RIP: 0033:0x7f71c4d3ce59 [ 35.874300][ T452] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 35.894011][ T452] RSP: 002b:00007f71c4b9dfd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 35.902438][ T452] RAX: ffffffffffffffda RBX: 00007f71c4fc4fa0 RCX: 00007f71c4d3ce59 [ 35.910425][ T452] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040042600 [ 35.918410][ T452] RBP: 00007f71c4b9e090 R08: 0000000000000000 R09: 0000000000000000 [ 35.926391][ T452] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 35.934378][ T452] R13: 00007f71c4fc5038 R14: 00007f71c4fc4fa0 R15: 00007fff2f81e588 [ 35.942364][ T452] [ 35.947217][ T451] FAULT_INJECTION: forcing a failure. [ 35.947217][ T451] name failslab, interval 1, probability 0, space 0, times 0 [ 35.962462][ T451] CPU: 0 PID: 451 Comm: syz.3.38 Not tainted syzkaller #0 [ 35.969615][ T451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 35.979691][ T451] Call Trace: [ 35.982986][ T451] [ 35.985942][ T451] __dump_stack+0x21/0x30 [ 35.990289][ T451] dump_stack_lvl+0x110/0x170 [ 35.994973][ T451] ? show_regs_print_info+0x20/0x20 [ 36.000184][ T451] ? dup_userfaultfd+0x5a0/0x5a0 [ 36.005255][ T451] ? debug_smp_processor_id+0x17/0x20 [ 36.010701][ T451] dump_stack+0x15/0x20 [ 36.014893][ T451] should_fail+0x3ab/0x500 [ 36.019334][ T451] __should_failslab+0xa4/0xe0 [ 36.024251][ T451] should_failslab+0x9/0x20 [ 36.028774][ T451] slab_pre_alloc_hook+0x39/0xd0 [ 36.033873][ T451] ? create_new_namespaces+0x34/0x660 [ 36.039275][ T451] kmem_cache_alloc+0x44/0x260 [ 36.044062][ T451] create_new_namespaces+0x34/0x660 [ 36.049282][ T451] ? ns_capable+0x8c/0xf0 [ 36.053638][ T451] copy_namespaces+0x1cc/0x220 [ 36.058422][ T451] copy_process+0x11b5/0x3280 [ 36.063124][ T451] ? __kasan_check_write+0x14/0x20 [ 36.068260][ T451] ? __pidfd_prepare+0x150/0x150 [ 36.073229][ T451] kernel_clone+0x233/0x960 [ 36.077755][ T451] ? create_io_thread+0x170/0x170 [ 36.082803][ T451] ? __kasan_check_write+0x14/0x20 [ 36.087934][ T451] ? mutex_unlock+0x8f/0x230 [ 36.092537][ T451] __x64_sys_clone+0x198/0x210 [ 36.097320][ T451] ? __kasan_check_write+0x14/0x20 [ 36.102449][ T451] ? __ia32_sys_vfork+0x130/0x130 [ 36.107488][ T451] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 36.113572][ T451] x64_sys_call+0x41f/0x9a0 [ 36.118541][ T451] do_syscall_64+0x4c/0xa0 [ 36.122969][ T451] ? clear_bhb_loop+0x50/0xa0 [ 36.127652][ T451] ? clear_bhb_loop+0x50/0xa0 [ 36.132338][ T451] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 36.138248][ T451] RIP: 0033:0x7ff4ac300e59 [ 36.142686][ T451] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 36.162534][ T451] RSP: 002b:00007ff4ac161fd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 36.170969][ T451] RAX: ffffffffffffffda RBX: 00007ff4ac588fa0 RCX: 00007ff4ac300e59 [ 36.178957][ T451] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040042600 [ 36.186941][ T451] RBP: 00007ff4ac162090 R08: 0000000000000000 R09: 0000000000000000 [ 36.194924][ T451] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 36.202904][ T451] R13: 00007ff4ac589038 R14: 00007ff4ac588fa0 R15: 00007ffebaf82998 [ 36.210888][ T451] [ 36.257435][ T454] FAULT_INJECTION: forcing a failure. [ 36.257435][ T454] name failslab, interval 1, probability 0, space 0, times 0 [ 36.270710][ T454] CPU: 0 PID: 454 Comm: syz.3.40 Not tainted syzkaller #0 [ 36.277864][ T454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 36.287947][ T454] Call Trace: [ 36.291246][ T454] [ 36.294201][ T454] __dump_stack+0x21/0x30 [ 36.298558][ T454] dump_stack_lvl+0x110/0x170 [ 36.303269][ T454] ? show_regs_print_info+0x20/0x20 [ 36.308498][ T454] ? dup_userfaultfd+0x5a0/0x5a0 [ 36.313468][ T454] ? debug_smp_processor_id+0x17/0x20 [ 36.313537][ T457] FAULT_INJECTION: forcing a failure. [ 36.313537][ T457] name failslab, interval 1, probability 0, space 0, times 0 [ 36.318871][ T454] dump_stack+0x15/0x20 [ 36.318890][ T454] should_fail+0x3ab/0x500 [ 36.318911][ T454] __should_failslab+0xa4/0xe0 [ 36.344843][ T454] should_failslab+0x9/0x20 [ 36.349368][ T454] slab_pre_alloc_hook+0x39/0xd0 [ 36.354329][ T454] ? create_new_namespaces+0x34/0x660 [ 36.359715][ T454] kmem_cache_alloc+0x44/0x260 [ 36.364498][ T454] create_new_namespaces+0x34/0x660 [ 36.369715][ T454] ? ns_capable+0x8c/0xf0 [ 36.374070][ T454] copy_namespaces+0x1cc/0x220 [ 36.378862][ T454] copy_process+0x11b5/0x3280 [ 36.383567][ T454] ? __kasan_check_write+0x14/0x20 [ 36.388701][ T454] ? __pidfd_prepare+0x150/0x150 [ 36.393659][ T454] kernel_clone+0x233/0x960 [ 36.398181][ T454] ? create_io_thread+0x170/0x170 [ 36.403286][ T454] ? __kasan_check_write+0x14/0x20 [ 36.408471][ T454] ? mutex_unlock+0x8f/0x230 [ 36.413095][ T454] __x64_sys_clone+0x198/0x210 [ 36.417887][ T454] ? __kasan_check_write+0x14/0x20 [ 36.423019][ T454] ? __ia32_sys_vfork+0x130/0x130 [ 36.428156][ T454] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 36.434261][ T454] x64_sys_call+0x41f/0x9a0 [ 36.438797][ T454] do_syscall_64+0x4c/0xa0 [ 36.443240][ T454] ? clear_bhb_loop+0x50/0xa0 [ 36.448022][ T454] ? clear_bhb_loop+0x50/0xa0 [ 36.452739][ T454] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 36.458786][ T454] RIP: 0033:0x7ff4ac300e59 [ 36.463215][ T454] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 36.483049][ T454] RSP: 002b:00007ff4ac161fd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 36.491491][ T454] RAX: ffffffffffffffda RBX: 00007ff4ac588fa0 RCX: 00007ff4ac300e59 [ 36.499486][ T454] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040042600 [ 36.507500][ T454] RBP: 00007ff4ac162090 R08: 0000000000000000 R09: 0000000000000000 [ 36.515492][ T454] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 36.523486][ T454] R13: 00007ff4ac589038 R14: 00007ff4ac588fa0 R15: 00007ffebaf82998 [ 36.531488][ T454] [ 36.534521][ T457] CPU: 1 PID: 457 Comm: syz.1.41 Not tainted syzkaller #0 [ 36.541663][ T457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 36.551757][ T457] Call Trace: [ 36.555070][ T457] [ 36.558057][ T457] __dump_stack+0x21/0x30 [ 36.562422][ T457] dump_stack_lvl+0x110/0x170 [ 36.567130][ T457] ? show_regs_print_info+0x20/0x20 [ 36.572398][ T457] dump_stack+0x15/0x20 [ 36.576585][ T457] should_fail+0x3ab/0x500 [ 36.581037][ T457] __should_failslab+0xa4/0xe0 [ 36.585827][ T457] should_failslab+0x9/0x20 [ 36.590354][ T457] slab_pre_alloc_hook+0x39/0xd0 [ 36.595327][ T457] ? anon_vma_fork+0xf8/0x520 [ 36.600032][ T457] kmem_cache_alloc+0x44/0x260 [ 36.604790][ T459] FAULT_INJECTION: forcing a failure. [ 36.604790][ T459] name failslab, interval 1, probability 0, space 0, times 0 [ 36.604837][ T457] anon_vma_fork+0xf8/0x520 [ 36.621990][ T457] ? anon_vma_name+0x4c/0x70 [ 36.626627][ T457] copy_mm+0x9f9/0x13a0 [ 36.630805][ T457] ? copy_signal+0x5f0/0x5f0 [ 36.635415][ T457] ? __init_rwsem+0xfc/0x1d0 [ 36.640030][ T457] ? copy_signal+0x4cc/0x5f0 [ 36.644641][ T457] copy_process+0x1184/0x3280 [ 36.649338][ T457] ? __kasan_check_write+0x14/0x20 [ 36.654467][ T457] ? __kasan_check_write+0x14/0x20 [ 36.659602][ T457] ? __pidfd_prepare+0x150/0x150 [ 36.664571][ T457] kernel_clone+0x233/0x960 [ 36.669107][ T457] ? create_io_thread+0x170/0x170 [ 36.674153][ T457] ? __kasan_check_write+0x14/0x20 [ 36.679477][ T457] ? mutex_unlock+0x8f/0x230 [ 36.684096][ T457] __x64_sys_clone+0x198/0x210 [ 36.688879][ T457] ? __kasan_check_write+0x14/0x20 [ 36.694017][ T457] ? __ia32_sys_vfork+0x130/0x130 [ 36.699075][ T457] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 36.705171][ T457] x64_sys_call+0x41f/0x9a0 [ 36.709700][ T457] do_syscall_64+0x4c/0xa0 [ 36.714135][ T457] ? clear_bhb_loop+0x50/0xa0 [ 36.718832][ T457] ? clear_bhb_loop+0x50/0xa0 [ 36.723535][ T457] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 36.729450][ T457] RIP: 0033:0x7f71c4d3ce59 [ 36.733926][ T457] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 36.753724][ T457] RSP: 002b:00007f71c4b9dfd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 36.762242][ T457] RAX: ffffffffffffffda RBX: 00007f71c4fc4fa0 RCX: 00007f71c4d3ce59 [ 36.770233][ T457] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040042600 [ 36.778232][ T457] RBP: 00007f71c4b9e090 R08: 0000000000000000 R09: 0000000000000000 [ 36.786229][ T457] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 36.794216][ T457] R13: 00007f71c4fc5038 R14: 00007f71c4fc4fa0 R15: 00007fff2f81e588 [ 36.802219][ T457] [ 36.805253][ T459] CPU: 0 PID: 459 Comm: syz.3.42 Not tainted syzkaller #0 [ 36.812480][ T459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 36.822556][ T459] Call Trace: [ 36.825853][ T459] [ 36.828794][ T459] __dump_stack+0x21/0x30 [ 36.833142][ T459] dump_stack_lvl+0x110/0x170 [ 36.837837][ T459] ? show_regs_print_info+0x20/0x20 [ 36.843050][ T459] dump_stack+0x15/0x20 [ 36.847210][ T459] should_fail+0x3ab/0x500 [ 36.851635][ T459] __should_failslab+0xa4/0xe0 [ 36.856410][ T459] should_failslab+0x9/0x20 [ 36.860922][ T459] slab_pre_alloc_hook+0x39/0xd0 [ 36.865877][ T459] ? anon_vma_clone+0xb7/0x4c0 [ 36.870646][ T459] kmem_cache_alloc+0x44/0x260 [ 36.875419][ T459] anon_vma_clone+0xb7/0x4c0 [ 36.880016][ T459] anon_vma_fork+0x8f/0x520 [ 36.884534][ T459] ? anon_vma_name+0x4c/0x70 [ 36.889137][ T459] copy_mm+0x9f9/0x13a0 [ 36.893304][ T459] ? copy_signal+0x5f0/0x5f0 [ 36.897939][ T459] ? __init_rwsem+0xfc/0x1d0 [ 36.902543][ T459] ? copy_signal+0x4cc/0x5f0 [ 36.907154][ T459] copy_process+0x1184/0x3280 [ 36.911844][ T459] ? __kasan_check_write+0x14/0x20 [ 36.916967][ T459] ? __pidfd_prepare+0x150/0x150 [ 36.921921][ T459] kernel_clone+0x233/0x960 [ 36.926435][ T459] ? create_io_thread+0x170/0x170 [ 36.931503][ T459] ? __kasan_check_write+0x14/0x20 [ 36.936624][ T459] ? mutex_unlock+0x8f/0x230 [ 36.941230][ T459] __x64_sys_clone+0x198/0x210 [ 36.946011][ T459] ? __kasan_check_write+0x14/0x20 [ 36.951136][ T459] ? __ia32_sys_vfork+0x130/0x130 [ 36.956286][ T459] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 36.962370][ T459] x64_sys_call+0x41f/0x9a0 [ 36.966890][ T459] do_syscall_64+0x4c/0xa0 [ 36.971320][ T459] ? clear_bhb_loop+0x50/0xa0 [ 36.976005][ T459] ? clear_bhb_loop+0x50/0xa0 [ 36.980694][ T459] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 36.986599][ T459] RIP: 0033:0x7ff4ac300e59 [ 36.991028][ T459] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 37.010645][ T459] RSP: 002b:00007ff4ac161fd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 37.019067][ T459] RAX: ffffffffffffffda RBX: 00007ff4ac588fa0 RCX: 00007ff4ac300e59 [ 37.027049][ T459] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040042600 [ 37.035034][ T459] RBP: 00007ff4ac162090 R08: 0000000000000000 R09: 0000000000000000 [ 37.043023][ T459] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 37.051002][ T459] R13: 00007ff4ac589038 R14: 00007ff4ac588fa0 R15: 00007ffebaf82998 [ 37.058990][ T459] [ 37.091043][ T463] FAULT_INJECTION: forcing a failure. [ 37.091043][ T463] name failslab, interval 1, probability 0, space 0, times 0 [ 37.103970][ T463] CPU: 0 PID: 463 Comm: syz.6.44 Not tainted syzkaller #0 [ 37.105544][ T462] FAULT_INJECTION: forcing a failure. [ 37.105544][ T462] name failslab, interval 1, probability 0, space 0, times 0 [ 37.111112][ T463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 37.111125][ T463] Call Trace: [ 37.111131][ T463] [ 37.111139][ T463] __dump_stack+0x21/0x30 [ 37.111161][ T463] dump_stack_lvl+0x110/0x170 [ 37.111179][ T463] ? show_regs_print_info+0x20/0x20 [ 37.154239][ T463] dump_stack+0x15/0x20 [ 37.158418][ T463] should_fail+0x3ab/0x500 [ 37.162871][ T463] __should_failslab+0xa4/0xe0 [ 37.167668][ T463] should_failslab+0x9/0x20 [ 37.172193][ T463] slab_pre_alloc_hook+0x39/0xd0 [ 37.177147][ T463] ? anon_vma_fork+0x1ff/0x520 [ 37.181925][ T463] kmem_cache_alloc+0x44/0x260 [ 37.186708][ T463] anon_vma_fork+0x1ff/0x520 [ 37.191316][ T463] copy_mm+0x9f9/0x13a0 [ 37.195488][ T463] ? copy_signal+0x5f0/0x5f0 [ 37.200102][ T463] ? __init_rwsem+0xfc/0x1d0 [ 37.204704][ T463] ? copy_signal+0x4cc/0x5f0 [ 37.209349][ T463] copy_process+0x1184/0x3280 [ 37.214066][ T463] ? __kasan_check_write+0x14/0x20 [ 37.219210][ T463] ? __pidfd_prepare+0x150/0x150 [ 37.224283][ T463] kernel_clone+0x233/0x960 [ 37.228824][ T463] ? create_io_thread+0x170/0x170 [ 37.233887][ T463] ? __kasan_check_write+0x14/0x20 [ 37.239030][ T463] ? mutex_unlock+0x8f/0x230 [ 37.243642][ T463] __x64_sys_clone+0x198/0x210 [ 37.248427][ T463] ? __kasan_check_write+0x14/0x20 [ 37.253562][ T463] ? __ia32_sys_vfork+0x130/0x130 [ 37.258618][ T463] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 37.264717][ T463] x64_sys_call+0x41f/0x9a0 [ 37.269249][ T463] do_syscall_64+0x4c/0xa0 [ 37.273696][ T463] ? clear_bhb_loop+0x50/0xa0 [ 37.278398][ T463] ? clear_bhb_loop+0x50/0xa0 [ 37.283115][ T463] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 37.289027][ T463] RIP: 0033:0x7f2602fefe59 [ 37.293456][ T463] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 37.313085][ T463] RSP: 002b:00007f2602e50fd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 37.321641][ T463] RAX: ffffffffffffffda RBX: 00007f2603277fa0 RCX: 00007f2602fefe59 [ 37.329644][ T463] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040042600 [ 37.337637][ T463] RBP: 00007f2602e51090 R08: 0000000000000000 R09: 0000000000000000 [ 37.345625][ T463] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 37.353616][ T463] R13: 00007f2603278038 R14: 00007f2603277fa0 R15: 00007ffd3a757ef8 [ 37.359756][ T467] FAULT_INJECTION: forcing a failure. [ 37.359756][ T467] name failslab, interval 1, probability 0, space 0, times 0 [ 37.361611][ T463] [ 37.364680][ T462] CPU: 0 PID: 462 Comm: syz.1.43 Not tainted syzkaller #0 [ 37.384351][ T462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 37.394424][ T462] Call Trace: [ 37.397721][ T462] [ 37.400675][ T462] __dump_stack+0x21/0x30 [ 37.405030][ T462] dump_stack_lvl+0x110/0x170 [ 37.409723][ T462] ? show_regs_print_info+0x20/0x20 [ 37.414944][ T462] dump_stack+0x15/0x20 [ 37.419126][ T462] should_fail+0x3ab/0x500 [ 37.423570][ T462] __should_failslab+0xa4/0xe0 [ 37.428357][ T462] should_failslab+0x9/0x20 [ 37.432880][ T462] slab_pre_alloc_hook+0x39/0xd0 [ 37.437843][ T462] ? vm_area_dup+0x26/0x210 [ 37.442375][ T462] kmem_cache_alloc+0x44/0x260 [ 37.447163][ T462] vm_area_dup+0x26/0x210 [ 37.451518][ T462] copy_mm+0x963/0x13a0 [ 37.455723][ T462] ? copy_signal+0x5f0/0x5f0 [ 37.460335][ T462] ? __init_rwsem+0xfc/0x1d0 [ 37.464943][ T462] ? copy_signal+0x4cc/0x5f0 [ 37.469553][ T462] copy_process+0x1184/0x3280 [ 37.474251][ T462] ? __kasan_check_write+0x14/0x20 [ 37.479383][ T462] ? __pidfd_prepare+0x150/0x150 [ 37.484346][ T462] kernel_clone+0x233/0x960 [ 37.488903][ T462] ? create_io_thread+0x170/0x170 [ 37.493955][ T462] ? __kasan_check_write+0x14/0x20 [ 37.499092][ T462] ? mutex_unlock+0x8f/0x230 [ 37.503704][ T462] __x64_sys_clone+0x198/0x210 [ 37.508489][ T462] ? __kasan_check_write+0x14/0x20 [ 37.513634][ T462] ? __ia32_sys_vfork+0x130/0x130 [ 37.518771][ T462] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 37.524858][ T462] x64_sys_call+0x41f/0x9a0 [ 37.529416][ T462] do_syscall_64+0x4c/0xa0 [ 37.533847][ T462] ? clear_bhb_loop+0x50/0xa0 [ 37.538549][ T462] ? clear_bhb_loop+0x50/0xa0 [ 37.543270][ T462] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 37.549181][ T462] RIP: 0033:0x7f71c4d3ce59 [ 37.553618][ T462] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 37.573265][ T462] RSP: 002b:00007f71c4b9dfd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 37.581704][ T462] RAX: ffffffffffffffda RBX: 00007f71c4fc4fa0 RCX: 00007f71c4d3ce59 [ 37.589696][ T462] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040042600 [ 37.597683][ T462] RBP: 00007f71c4b9e090 R08: 0000000000000000 R09: 0000000000000000 [ 37.605669][ T462] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 37.613695][ T462] R13: 00007f71c4fc5038 R14: 00007f71c4fc4fa0 R15: 00007fff2f81e588 [ 37.621775][ T462] [ 37.624814][ T467] CPU: 1 PID: 467 Comm: syz.3.45 Not tainted syzkaller #0 [ 37.632076][ T467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 37.642242][ T467] Call Trace: [ 37.645546][ T467] [ 37.648490][ T467] __dump_stack+0x21/0x30 [ 37.652841][ T467] dump_stack_lvl+0x110/0x170 [ 37.657532][ T467] ? show_regs_print_info+0x20/0x20 [ 37.662763][ T467] dump_stack+0x15/0x20 [ 37.666940][ T467] should_fail+0x3ab/0x500 [ 37.671373][ T467] __should_failslab+0xa4/0xe0 [ 37.676151][ T467] should_failslab+0x9/0x20 [ 37.680665][ T467] slab_pre_alloc_hook+0x39/0xd0 [ 37.685628][ T467] ? anon_vma_fork+0x1ff/0x520 [ 37.690456][ T467] kmem_cache_alloc+0x44/0x260 [ 37.695246][ T467] anon_vma_fork+0x1ff/0x520 [ 37.699860][ T467] copy_mm+0x9f9/0x13a0 [ 37.704040][ T467] ? copy_signal+0x5f0/0x5f0 [ 37.708647][ T467] ? __init_rwsem+0xfc/0x1d0 [ 37.713262][ T467] ? copy_signal+0x4cc/0x5f0 [ 37.717995][ T467] copy_process+0x1184/0x3280 [ 37.722711][ T467] ? __kasan_check_write+0x14/0x20 [ 37.727836][ T467] ? __pidfd_prepare+0x150/0x150 [ 37.732799][ T467] kernel_clone+0x233/0x960 [ 37.737326][ T467] ? create_io_thread+0x170/0x170 [ 37.742369][ T467] ? __kasan_check_write+0x14/0x20 [ 37.747496][ T467] ? mutex_unlock+0x8f/0x230 [ 37.752108][ T467] __x64_sys_clone+0x198/0x210 [ 37.756890][ T467] ? __kasan_check_write+0x14/0x20 [ 37.762015][ T467] ? __ia32_sys_vfork+0x130/0x130 [ 37.767055][ T467] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 37.773141][ T467] x64_sys_call+0x41f/0x9a0 [ 37.777659][ T467] do_syscall_64+0x4c/0xa0 [ 37.782084][ T467] ? clear_bhb_loop+0x50/0xa0 [ 37.786770][ T467] ? clear_bhb_loop+0x50/0xa0 [ 37.791475][ T467] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 37.797382][ T467] RIP: 0033:0x7ff4ac300e59 [ 37.801812][ T467] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 37.821434][ T467] RSP: 002b:00007ff4ac140fd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 [ 37.829868][ T467] RAX: ffffffffffffffda RBX: 00007ff4ac589090 RCX: 00007ff4ac300e59 [ 37.838285][ T467] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040042600 [ 37.846270][ T467] RBP: 00007ff4ac141090 R08: 0000000000000000 R09: 0000000000000000 [ 37.854251][ T467] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000002 [ 37.862231][ T467] R13: 00007ff4ac589128 R14: 00007ff4ac589090 R15: 00007ffebaf82998 [ 37.870215][ T467] [ 37.879140][ T467] ------------[ cut here ]------------ [ 37.884680][ T467] refcount_t: underflow; use-after-free. [ 37.885912][ T375] BUG: unable to handle page fault for address: ffffed180000000d [ 37.890824][ T467] WARNING: CPU: 0 PID: 467 at lib/refcount.c:28 refcount_warn_saturate+0x120/0x1a0 [ 37.898049][ T375] #PF: supervisor read access in kernel mode [ 37.898061][ T375] #PF: error_code(0x0000) - not-present page [ 37.898072][ T375] PGD 23fff2067 P4D 23fff2067 [ 37.907405][ T467] Modules linked in: [ 37.913332][ T375] PUD 0 [ 37.913347][ T375] Oops: 0000 [#1] PREEMPT SMP KASAN [ 37.913365][ T375] CPU: 1 PID: 375 Comm: syz-executor Not tainted syzkaller #0 [ 37.919426][ T467] [ 37.924105][ T375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 37.924119][ T375] RIP: 0010:__rb_insert_augmented+0x3a4/0x6f0 [ 37.928097][ T467] CPU: 0 PID: 467 Comm: syz.3.45 Not tainted syzkaller #0 [ 37.930868][ T375] Code: ff e8 b0 37 38 ff 4d 89 27 4d 89 3e 48 85 db 0f 84 8d 02 00 00 4c 8d 63 10 4d 89 e5 49 c1 ed 03 48 b8 00 00 00 00 00 fc ff df <41> 80 7c 05 00 00 74 08 4c 89 e7 e8 dc 36 38 ff 4d 39 34 24 0f 84 [ 37.930889][ T375] RSP: 0018:ffffc900017a78f8 EFLAGS: 00010a02 [ 37.936131][ T467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 37.943534][ T375] [ 37.943539][ T375] RAX: dffffc0000000000 RBX: ffff88c000000058 RCX: dffffc0000000000 [ 37.943556][ T375] RDX: 0000000000000000 RSI: ffff8881205eeac0 RDI: ffff88810d6df098 [ 37.945932][ T467] RIP: 0010:refcount_warn_saturate+0x120/0x1a0 [ 37.955966][ T375] RBP: ffffc900017a7948 R08: ffff8881205eead7 R09: ffff8881205eeac8 [ 37.955984][ T375] R10: dffffc0000000000 R11: ffffed10240bdd5b R12: ffff88c000000068 [ 37.955999][ T375] R13: 1ffff1180000000d R14: ffff88810dcb0d10 R15: ffff8881205eeac0 [ 37.956014][ T375] FS: 0000555583ee3500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 37.956033][ T375] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.990053][ T467] Code: 04 01 48 c7 c7 80 45 63 85 e8 2c 30 5a 02 0f 0b eb c3 e8 73 87 19 ff c6 05 00 f4 95 04 01 48 c7 c7 e0 45 63 85 e8 10 30 5a 02 <0f> 0b eb a7 e8 57 87 19 ff c6 05 e1 f3 95 04 01 48 c7 c7 20 45 63 [ 37.994887][ T375] CR2: ffffed180000000d CR3: 000000012fb19000 CR4: 00000000003506a0 [ 37.994909][ T375] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 38.005166][ T467] RSP: 0018:ffffc90002f7f948 EFLAGS: 00010246 [ 38.007321][ T375] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 38.007337][ T375] Call Trace: [ 38.007343][ T375] [ 38.015477][ T467] [ 38.023285][ T375] ? anon_vma_interval_tree_iter_next+0x380/0x380 [ 38.023318][ T375] vma_interval_tree_insert_after+0x2a6/0x2c0 [ 38.029625][ T467] RAX: 8911cd18c38be800 RBX: 0000000000000003 RCX: ffff888117903b40 [ 38.037450][ T375] copy_mm+0xb34/0x13a0 [ 38.037475][ T375] ? copy_signal+0x5f0/0x5f0 [ 38.045651][ T467] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 38.053429][ T375] ? __init_rwsem+0xfc/0x1d0 [ 38.053455][ T375] ? copy_signal+0x4cc/0x5f0 [ 38.062523][ T467] RBP: ffffc90002f7f958 R08: 0000000000000003 R09: 0000000000000004 [ 38.069064][ T375] copy_process+0x1184/0x3280 [ 38.069095][ T375] ? __pidfd_prepare+0x150/0x150 [ 38.088826][ T467] R10: dffffc0000000000 R11: fffff520005efe88 R12: 00000000810dec00 [ 38.096663][ T375] kernel_clone+0x233/0x960 [ 38.104802][ T467] R13: ffff88811e9bfb08 R14: 0000000000000003 R15: ffff88810dcb0d11 [ 38.110716][ T375] ? __kasan_check_write+0x14/0x20 [ 38.110742][ T375] ? _raw_spin_lock_irq+0x95/0xf0 [ 38.118828][ T467] FS: 00007ff4ac1416c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 38.122004][ T375] ? create_io_thread+0x170/0x170 [ 38.124991][ T467] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.127283][ T375] ? recalc_sigpending+0x1ac/0x230 [ 38.133834][ T467] CR2: 00007ff4ac585000 CR3: 000000012060f000 CR4: 00000000003506b0 [ 38.139774][ T375] __x64_sys_clone+0x198/0x210 [ 38.139801][ T375] ? __ia32_sys_vfork+0x130/0x130 [ 38.147937][ T467] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 38.151948][ T375] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 38.156586][ T467] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 38.164527][ T375] x64_sys_call+0x41f/0x9a0 [ 38.164549][ T375] do_syscall_64+0x4c/0xa0 [ 38.164566][ T375] ? clear_bhb_loop+0x50/0xa0 [ 38.182539][ T467] Call Trace: [ 38.186437][ T375] ? clear_bhb_loop+0x50/0xa0 [ 38.191681][ T467] [ 38.199368][ T375] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 38.199394][ T375] RIP: 0033:0x7f26030188d2 [ 38.203979][ T467] vm_area_free_no_check+0x132/0x140 [ 38.211886][ T375] Code: 89 e7 e8 71 8b f7 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 66 89 c5 85 c0 75 3b 64 48 8b 04 25 10 00 00 [ 38.211907][ T375] RSP: 002b:00007ffd3a758110 EFLAGS: 00000246 [ 38.217116][ T467] copy_mm+0xe8f/0x13a0 [ 38.222047][ T375] ORIG_RAX: 0000000000000038 [ 38.222057][ T375] RAX: ffffffffffffffda RBX: 00007ffd3a758110 RCX: 00007f26030188d2 [ 38.222075][ T375] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 38.231170][ T467] ? copy_signal+0x5f0/0x5f0 [ 38.236048][ T375] RBP: 00007ffd3a75829c R08: 0000000000000000 R09: 0000000000000001 [ 38.236064][ T375] R10: 0000555583ee37d0 R11: 0000000000000246 R12: 0000000000000000 [ 38.242792][ T467] ? __init_rwsem+0xfc/0x1d0 [ 38.247758][ T375] R13: 00000000000927c0 R14: 00000000000090cc R15: 00007ffd3a7582f0 [ 38.247778][ T375] [ 38.247785][ T375] Modules linked in: [ 38.247823][ T375] CR2: ffffed180000000d [ 38.256411][ T467] ? copy_signal+0x4cc/0x5f0 [ 38.261067][ T375] ---[ end trace 18e6c21891dfca13 ]--- [ 38.261079][ T375] RIP: 0010:__rb_insert_augmented+0x3a4/0x6f0 [ 38.266166][ T467] copy_process+0x1184/0x3280 [ 38.274078][ T375] Code: ff e8 b0 37 38 ff 4d 89 27 4d 89 3e 48 85 db 0f 84 8d 02 00 00 4c 8d 63 10 4d 89 e5 49 c1 ed 03 48 b8 00 00 00 00 00 fc ff df <41> 80 7c 05 00 00 74 08 4c 89 e7 e8 dc 36 38 ff 4d 39 34 24 0f 84 [ 38.274098][ T375] RSP: 0018:ffffc900017a78f8 EFLAGS: 00010a02 [ 38.274117][ T375] RAX: dffffc0000000000 RBX: ffff88c000000058 RCX: dffffc0000000000 [ 38.280312][ T467] ? __kasan_check_write+0x14/0x20 [ 38.288146][ T375] RDX: 0000000000000000 RSI: ffff8881205eeac0 RDI: ffff88810d6df098 [ 38.288163][ T375] RBP: ffffc900017a7948 R08: ffff8881205eead7 R09: ffff8881205eeac8 [ 38.288179][ T375] R10: dffffc0000000000 R11: ffffed10240bdd5b R12: ffff88c000000068 [ 38.292824][ T467] ? __pidfd_prepare+0x150/0x150 [ 38.297118][ T375] R13: 1ffff1180000000d R14: ffff88810dcb0d10 R15: ffff8881205eeac0 [ 38.297136][ T375] FS: 0000555583ee3500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 38.301890][ T467] kernel_clone+0x233/0x960 [ 38.305087][ T375] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.305105][ T375] CR2: ffffed180000000d CR3: 000000012fb19000 CR4: 00000000003506a0 [ 38.309940][ T467] ? create_io_thread+0x170/0x170 [ 38.312728][ T375] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 38.312743][ T375] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 38.318752][ T467] ? __kasan_check_write+0x14/0x20 [ 38.323152][ T375] Kernel panic - not syncing: Fatal exception [ 38.323514][ T375] Kernel Offset: disabled [ 38.584680][ T375] Rebooting in 86400 seconds..