Warning: Permanently added '10.128.1.76' (ED25519) to the list of known hosts. 2026/09/16 09:23:05 parsed 1 programs [ 43.010753][ T28] kauditd_printk_skb: 32 callbacks suppressed [ 43.010769][ T28] audit: type=1400 audit(1789550586.450:106): avc: denied { unlink } for pid=415 comm="syz-executor" name="swap-file" dev="sda1" ino=2027 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 43.095010][ T415] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 43.950623][ T28] audit: type=1401 audit(1789550587.390:107): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768" [ 44.131542][ T424] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.138825][ T424] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.159193][ T424] device bridge_slave_0 entered promiscuous mode [ 44.191176][ T424] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.198724][ T424] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.207511][ T424] device bridge_slave_1 entered promiscuous mode [ 44.659501][ T424] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.667358][ T424] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.675159][ T424] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.682875][ T424] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.718447][ T352] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.726712][ T352] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.750547][ T352] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 44.758692][ T352] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.789357][ T352] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 44.802686][ T352] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.810102][ T352] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.818106][ T352] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.827458][ T352] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.834859][ T352] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.854426][ T352] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.870706][ T352] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.883693][ T352] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 44.906578][ T352] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 44.915641][ T352] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 44.923759][ T352] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 44.934063][ T424] device veth0_vlan entered promiscuous mode [ 44.954916][ T352] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 44.965253][ T424] device veth1_macvtap entered promiscuous mode [ 44.976464][ T352] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready 2026/09/16 09:23:08 executed programs: 0 [ 45.000653][ T352] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 45.256385][ T484] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.263673][ T484] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.271613][ T484] device bridge_slave_0 entered promiscuous mode [ 45.281374][ T479] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.289653][ T479] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.299566][ T479] device bridge_slave_0 entered promiscuous mode [ 45.312831][ T479] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.320516][ T479] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.328166][ T479] device bridge_slave_1 entered promiscuous mode [ 45.340812][ T484] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.348881][ T484] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.357294][ T484] device bridge_slave_1 entered promiscuous mode [ 45.408553][ T481] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.418334][ T481] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.426841][ T481] device bridge_slave_0 entered promiscuous mode [ 45.440839][ T481] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.448198][ T481] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.456268][ T481] device bridge_slave_1 entered promiscuous mode [ 45.468843][ T485] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.477022][ T485] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.485534][ T485] device bridge_slave_0 entered promiscuous mode [ 45.506401][ T486] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.514654][ T486] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.522688][ T486] device bridge_slave_0 entered promiscuous mode [ 45.530838][ T486] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.538805][ T486] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.547324][ T486] device bridge_slave_1 entered promiscuous mode [ 45.558031][ T485] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.565854][ T485] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.574032][ T485] device bridge_slave_1 entered promiscuous mode [ 45.822071][ T479] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.829341][ T479] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.837226][ T479] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.844348][ T479] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.878371][ T481] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.885506][ T481] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.892944][ T481] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.900185][ T481] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.919040][ T484] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.926318][ T484] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.934040][ T484] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.941520][ T484] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.959616][ T485] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.966931][ T485] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.974449][ T485] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.981793][ T485] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.994524][ T486] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.001967][ T486] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.009611][ T486] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.016697][ T486] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.075292][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.083546][ T356] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.091356][ T356] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.098819][ T356] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.106908][ T356] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.115035][ T356] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.122458][ T356] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.129953][ T356] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.138229][ T356] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.145881][ T356] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.154008][ T356] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.192324][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.201455][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.210886][ T356] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.218571][ T356] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.226837][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.235647][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.243510][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.252185][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.260711][ T356] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.267763][ T356] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.275718][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.284264][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.292806][ T356] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.300247][ T356] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.335734][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.343798][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.353343][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.362416][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.371590][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.380351][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.388772][ T356] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.396193][ T356] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.403764][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.412274][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.420842][ T356] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.428348][ T356] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.436341][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.445629][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.456258][ T356] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.464602][ T356] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.472060][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.480741][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.488970][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.497500][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.505691][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.514835][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.525982][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.534270][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.561386][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.570526][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.579466][ T356] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.586951][ T356] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.594615][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.603709][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.612619][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.621378][ T356] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.628870][ T356] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.636568][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.648783][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.659031][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.667405][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.700775][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.710745][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.729753][ T481] device veth0_vlan entered promiscuous mode [ 46.743725][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.752128][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.761327][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.769839][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.779013][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.787553][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.796237][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.805154][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.813846][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.822593][ T356] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.829820][ T356] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.838469][ T479] device veth0_vlan entered promiscuous mode [ 46.855982][ T8] device bridge_slave_1 left promiscuous mode [ 46.862451][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.870691][ T8] device bridge_slave_0 left promiscuous mode [ 46.877353][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.886275][ T8] device veth1_macvtap left promiscuous mode [ 46.893273][ T8] device veth0_vlan left promiscuous mode [ 46.975784][ T484] device veth0_vlan entered promiscuous mode [ 46.982521][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.991789][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 47.001427][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 47.011834][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 47.021033][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.029954][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.039648][ T356] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.046922][ T356] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.055243][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 47.067802][ T486] device veth0_vlan entered promiscuous mode [ 47.088677][ T486] device veth1_macvtap entered promiscuous mode [ 47.096686][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 47.106159][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 47.115347][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 47.124267][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 47.132919][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.141163][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 47.149358][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 47.158694][ T479] device veth1_macvtap entered promiscuous mode [ 47.170127][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 47.180387][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.190626][ T481] device veth1_macvtap entered promiscuous mode [ 47.210968][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 47.220700][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.229467][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 47.238491][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.248211][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 47.258276][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.277090][ T484] device veth1_macvtap entered promiscuous mode [ 47.289516][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 47.298259][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 47.306906][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 47.315957][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 47.325487][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 47.334456][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 47.343417][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.358484][ T485] device veth0_vlan entered promiscuous mode [ 47.373328][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 47.382542][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.392148][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 47.401139][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 47.411810][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 47.420818][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.429602][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 47.438693][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.448893][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 47.457239][ T28] audit: type=1400 audit(1789550590.890:108): avc: denied { bpf } for pid=504 comm="syz.4.21" capability=39 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [ 47.478876][ T505] FAULT_INJECTION: forcing a failure. [ 47.478876][ T505] name fail_usercopy, interval 1, probability 0, space 0, times 1 [ 47.482634][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.495988][ T505] CPU: 0 PID: 505 Comm: syz.4.21 Not tainted syzkaller #0 [ 47.502891][ T28] audit: type=1400 audit(1789550590.890:109): avc: denied { map_create } for pid=504 comm="syz.4.21" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 47.510183][ T505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 47.510222][ T505] Call Trace: [ 47.510230][ T505] [ 47.510238][ T505] __dump_stack+0x21/0x24 [ 47.510282][ T505] dump_stack_lvl+0x110/0x170 [ 47.510310][ T505] ? __cfi_dump_stack_lvl+0x8/0x8 [ 47.510339][ T505] dump_stack+0x15/0x24 [ 47.533875][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 47.541894][ T505] should_fail_ex+0x3bf/0x510 [ 47.541926][ T505] should_fail+0xb/0x10 [ 47.541943][ T505] should_fail_usercopy+0x1a/0x20 [ 47.541964][ T505] _copy_to_user+0x1e/0x90 [ 47.541992][ T505] simple_read_from_buffer+0xe9/0x160 [ 47.547908][ T356] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 47.550817][ T505] proc_fail_nth_read+0x1a6/0x220 [ 47.550847][ T505] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 47.557051][ T28] audit: type=1400 audit(1789550590.890:110): avc: denied { map_read map_write } for pid=504 comm="syz.4.21" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 47.560693][ T505] ? security_file_permission+0x94/0xb0 [ 47.560731][ T505] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 47.560754][ T505] vfs_read+0x286/0x930 [ 47.566749][ T28] audit: type=1400 audit(1789550590.890:111): avc: denied { prog_load } for pid=504 comm="syz.4.21" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 47.570245][ T505] ? __cfi_vfs_read+0x10/0x10 [ 47.570272][ T505] ? __kasan_check_write+0x14/0x20 [ 47.570292][ T505] ? mutex_lock+0x93/0x1b0 [ 47.570311][ T505] ? __cfi_mutex_lock+0x10/0x10 [ 47.578289][ T28] audit: type=1400 audit(1789550590.890:112): avc: denied { perfmon } for pid=504 comm="syz.4.21" capability=38 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [ 47.582412][ T505] ? __fdget_pos+0x2cd/0x380 [ 47.582442][ T505] ? ksys_read+0x70/0x260 [ 47.582462][ T505] ksys_read+0x14a/0x260 [ 47.587034][ T28] audit: type=1400 audit(1789550590.890:113): avc: denied { prog_run } for pid=504 comm="syz.4.21" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 47.591804][ T505] ? __cfi_ksys_read+0x10/0x10 [ 47.591829][ T505] ? fpregs_restore_userregs+0x128/0x260 [ 47.591854][ T505] __x64_sys_read+0x7b/0x90 [ 47.769697][ T505] x64_sys_call+0x2f/0x9a0 [ 47.774271][ T505] do_syscall_64+0x4c/0xa0 [ 47.778813][ T505] ? clear_bhb_loop+0x30/0x80 [ 47.783692][ T505] ? clear_bhb_loop+0x30/0x80 [ 47.788396][ T505] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 47.794309][ T505] RIP: 0033:0x7f02cff5ac4e [ 47.798932][ T505] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 47.818875][ T505] RSP: 002b:00007f02d0e06fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 47.827765][ T505] RAX: ffffffffffffffda RBX: 00007f02d0e076c0 RCX: 00007f02cff5ac4e [ 47.836105][ T505] RDX: 000000000000000f RSI: 00007f02d0e070a0 RDI: 0000000000000006 [ 47.844263][ T505] RBP: 00007f02d0e07090 R08: 0000000000000000 R09: 0000000000000000 [ 47.852691][ T505] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 47.860767][ T505] R13: 00007f02d01e6038 R14: 00007f02d01e5fa0 R15: 00007fff8dc3ec88 [ 47.868799][ T505] [ 47.899194][ T508] FAULT_INJECTION: forcing a failure. [ 47.899194][ T508] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 47.926819][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 47.930852][ T508] CPU: 0 PID: 508 Comm: syz.4.22 Not tainted syzkaller #0 [ 47.942438][ T508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 47.953059][ T508] Call Trace: [ 47.956545][ T508] [ 47.959539][ T508] __dump_stack+0x21/0x24 [ 47.963903][ T508] dump_stack_lvl+0x110/0x170 [ 47.969167][ T508] ? __cfi_dump_stack_lvl+0x8/0x8 [ 47.974632][ T508] dump_stack+0x15/0x24 [ 47.978933][ T508] should_fail_ex+0x3bf/0x510 [ 47.983855][ T508] should_fail+0xb/0x10 [ 47.988441][ T508] should_fail_usercopy+0x1a/0x20 [ 47.994313][ T508] _copy_to_user+0x1e/0x90 [ 47.998848][ T508] simple_read_from_buffer+0xe9/0x160 [ 48.004343][ T508] proc_fail_nth_read+0x1a6/0x220 [ 48.009396][ T508] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 48.014970][ T508] ? security_file_permission+0x94/0xb0 [ 48.021408][ T508] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 48.027164][ T508] vfs_read+0x286/0x930 [ 48.031627][ T508] ? __cfi_vfs_read+0x10/0x10 [ 48.036534][ T508] ? __kasan_check_write+0x14/0x20 [ 48.042130][ T508] ? mutex_lock+0x93/0x1b0 [ 48.046698][ T508] ? __cfi_mutex_lock+0x10/0x10 [ 48.051760][ T508] ? __fdget_pos+0x2cd/0x380 [ 48.056723][ T508] ? ksys_read+0x70/0x260 [ 48.061171][ T508] ksys_read+0x14a/0x260 [ 48.065537][ T508] ? __cfi_ksys_read+0x10/0x10 [ 48.070408][ T508] ? fput+0x15b/0x1a0 [ 48.074421][ T508] ? debug_smp_processor_id+0x17/0x20 [ 48.079907][ T508] __x64_sys_read+0x7b/0x90 [ 48.084445][ T508] x64_sys_call+0x2f/0x9a0 [ 48.088905][ T508] do_syscall_64+0x4c/0xa0 [ 48.094081][ T508] ? clear_bhb_loop+0x30/0x80 [ 48.098895][ T508] ? clear_bhb_loop+0x30/0x80 [ 48.103866][ T508] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 48.109957][ T508] RIP: 0033:0x7f02cff5ac4e [ 48.114479][ T508] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 48.134978][ T508] RSP: 002b:00007f02d0e06fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 48.143631][ T508] RAX: ffffffffffffffda RBX: 00007f02d0e076c0 RCX: 00007f02cff5ac4e [ 48.152058][ T508] RDX: 000000000000000f RSI: 00007f02d0e070a0 RDI: 0000000000000006 [ 48.160309][ T508] RBP: 00007f02d0e07090 R08: 0000000000000000 R09: 0000000000000000 [ 48.170157][ T508] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 48.178960][ T508] R13: 00007f02d01e6038 R14: 00007f02d01e5fa0 R15: 00007fff8dc3ec88 [ 48.186976][ T508] [ 48.207573][ T515] FAULT_INJECTION: forcing a failure. [ 48.207573][ T515] name failslab, interval 1, probability 0, space 0, times 1 [ 48.222762][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 48.231365][ T515] CPU: 0 PID: 515 Comm: syz.5.19 Not tainted syzkaller #0 [ 48.238635][ T515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 48.249231][ T515] Call Trace: [ 48.252550][ T515] [ 48.255735][ T515] __dump_stack+0x21/0x24 [ 48.260179][ T515] dump_stack_lvl+0x110/0x170 [ 48.264945][ T515] ? __cfi_dump_stack_lvl+0x8/0x8 [ 48.270042][ T515] ? unwind_get_return_address+0x4d/0x90 [ 48.275892][ T515] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 48.282787][ T515] dump_stack+0x15/0x24 [ 48.287066][ T515] should_fail_ex+0x3bf/0x510 [ 48.292119][ T515] __should_failslab+0xac/0xf0 [ 48.297272][ T515] should_failslab+0x9/0x20 [ 48.302103][ T515] __kmem_cache_alloc_node+0x3d/0x2d0 [ 48.308124][ T515] ? tracepoint_probe_unregister+0x211/0x8e0 [ 48.314907][ T515] ? __cfi_mutex_lock+0x10/0x10 [ 48.320014][ T515] ? delete_node+0x3e9/0xa60 [ 48.324923][ T515] ? tracepoint_probe_unregister+0x211/0x8e0 [ 48.331071][ T515] __kmalloc+0xa4/0x1e0 [ 48.335741][ T515] ? __cfi___bpf_trace_neigh_update+0x10/0x10 [ 48.342456][ T515] tracepoint_probe_unregister+0x211/0x8e0 [ 48.348294][ T515] bpf_probe_unregister+0x61/0x70 [ 48.353524][ T515] bpf_raw_tp_link_release+0x63/0x90 [ 48.359266][ T515] bpf_link_free+0x13b/0x3b0 [ 48.363914][ T515] ? bpf_link_put_deferred+0x20/0x20 [ 48.369605][ T515] bpf_link_release+0x15f/0x170 [ 48.374935][ T515] ? __cfi_bpf_link_release+0x10/0x10 [ 48.380742][ T515] __fput+0x1fd/0x8f0 [ 48.384872][ T515] ____fput+0x15/0x20 [ 48.389082][ T515] task_work_run+0x1e1/0x250 [ 48.393985][ T515] ? __cfi_task_work_run+0x10/0x10 [ 48.399252][ T515] ? fput+0x15b/0x1a0 [ 48.403363][ T515] exit_to_user_mode_loop+0x9b/0xb0 [ 48.408628][ T515] exit_to_user_mode_prepare+0x87/0xd0 [ 48.414313][ T515] syscall_exit_to_user_mode+0x1a/0x30 [ 48.420080][ T515] do_syscall_64+0x58/0xa0 [ 48.424565][ T515] ? clear_bhb_loop+0x30/0x80 [ 48.429373][ T515] ? clear_bhb_loop+0x30/0x80 [ 48.434728][ T515] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 48.440827][ T515] RIP: 0033:0x7fd398b9a379 [ 48.445363][ T515] 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 [ 48.465439][ T515] RSP: 002b:00007fd399a16028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 48.474360][ T515] RAX: 0000000000000000 RBX: 00007fd398de5fa0 RCX: 00007fd398b9a379 [ 48.483127][ T515] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 48.491845][ T515] RBP: 00007fd399a16090 R08: 0000000000000000 R09: 0000000000000000 [ 48.500265][ T515] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 48.508808][ T515] R13: 00007fd398de6038 R14: 00007fd398de5fa0 R15: 00007ffe915f3498 [ 48.517088][ T515] [ 48.521447][ T514] FAULT_INJECTION: forcing a failure. [ 48.521447][ T514] name failslab, interval 1, probability 0, space 0, times 0 [ 48.535684][ T514] CPU: 0 PID: 514 Comm: syz.4.23 Not tainted syzkaller #0 [ 48.543215][ T514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 48.555111][ T514] Call Trace: [ 48.558576][ T514] [ 48.561955][ T514] __dump_stack+0x21/0x24 [ 48.566529][ T514] dump_stack_lvl+0x110/0x170 [ 48.572180][ T514] ? __cfi_dump_stack_lvl+0x8/0x8 [ 48.577744][ T514] ? call_rcu+0xb84/0xf50 [ 48.582149][ T514] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 48.588783][ T514] dump_stack+0x15/0x24 [ 48.593158][ T514] should_fail_ex+0x3bf/0x510 [ 48.597950][ T514] __should_failslab+0xac/0xf0 [ 48.603194][ T514] should_failslab+0x9/0x20 [ 48.607923][ T514] __kmem_cache_alloc_node+0x3d/0x2d0 [ 48.614023][ T514] ? tracepoint_probe_unregister+0x211/0x8e0 [ 48.620974][ T514] ? __cfi_mutex_lock+0x10/0x10 [ 48.625860][ T514] ? delete_node+0x2a5/0xa60 [ 48.631081][ T514] ? tracepoint_probe_unregister+0x211/0x8e0 [ 48.637205][ T514] __kmalloc+0xa4/0x1e0 [ 48.641472][ T514] ? __cfi___bpf_trace_neigh_update+0x10/0x10 [ 48.648012][ T514] tracepoint_probe_unregister+0x211/0x8e0 [ 48.654543][ T514] bpf_probe_unregister+0x61/0x70 [ 48.659811][ T514] bpf_raw_tp_link_release+0x63/0x90 [ 48.665517][ T514] bpf_link_free+0x13b/0x3b0 [ 48.671180][ T514] ? bpf_link_put_deferred+0x20/0x20 [ 48.677253][ T514] bpf_link_release+0x15f/0x170 [ 48.682762][ T514] ? __cfi_bpf_link_release+0x10/0x10 [ 48.688885][ T514] __fput+0x1fd/0x8f0 [ 48.692908][ T514] ____fput+0x15/0x20 [ 48.697705][ T514] task_work_run+0x1e1/0x250 [ 48.702502][ T514] ? __cfi_task_work_run+0x10/0x10 [ 48.708017][ T514] ? fput+0x15b/0x1a0 [ 48.712436][ T514] exit_to_user_mode_loop+0x9b/0xb0 [ 48.717861][ T514] exit_to_user_mode_prepare+0x87/0xd0 [ 48.723528][ T514] syscall_exit_to_user_mode+0x1a/0x30 [ 48.729110][ T514] do_syscall_64+0x58/0xa0 [ 48.734280][ T514] ? clear_bhb_loop+0x30/0x80 [ 48.739155][ T514] ? clear_bhb_loop+0x30/0x80 [ 48.744049][ T514] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 48.750584][ T514] RIP: 0033:0x7f02cff9a379 [ 48.755197][ T514] 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 [ 48.775563][ T514] RSP: 002b:00007f02d0e07028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 48.784408][ T514] RAX: 0000000000000000 RBX: 00007f02d01e5fa0 RCX: 00007f02cff9a379 [ 48.792721][ T514] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 48.800711][ T514] RBP: 00007f02d0e07090 R08: 0000000000000000 R09: 0000000000000000 [ 48.808811][ T514] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 48.817182][ T514] R13: 00007f02d01e6038 R14: 00007f02d01e5fa0 R15: 00007fff8dc3ec88 [ 48.826586][ T514] [ 48.832049][ T517] FAULT_INJECTION: forcing a failure. [ 48.832049][ T517] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 48.866703][ T485] device veth1_macvtap entered promiscuous mode [ 48.874915][ T519] FAULT_INJECTION: forcing a failure. [ 48.874915][ T519] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 48.884704][ T517] CPU: 1 PID: 517 Comm: syz.5.24 Not tainted syzkaller #0 [ 48.896109][ T517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 48.906647][ T517] Call Trace: [ 48.910138][ T517] [ 48.913114][ T517] __dump_stack+0x21/0x24 [ 48.917594][ T517] dump_stack_lvl+0x110/0x170 [ 48.922568][ T517] ? __cfi_dump_stack_lvl+0x8/0x8 [ 48.927738][ T517] dump_stack+0x15/0x24 [ 48.931934][ T517] should_fail_ex+0x3bf/0x510 [ 48.936769][ T517] should_fail+0xb/0x10 [ 48.941599][ T517] should_fail_usercopy+0x1a/0x20 [ 48.947040][ T517] _copy_to_user+0x1e/0x90 [ 48.951668][ T517] simple_read_from_buffer+0xe9/0x160 [ 48.957862][ T517] proc_fail_nth_read+0x1a6/0x220 [ 48.963077][ T517] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 48.968876][ T517] ? security_file_permission+0x94/0xb0 [ 48.974772][ T517] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 48.980812][ T517] vfs_read+0x286/0x930 [ 48.985593][ T517] ? __cfi_vfs_read+0x10/0x10 [ 48.990761][ T517] ? __kasan_check_write+0x14/0x20 [ 48.996189][ T517] ? mutex_lock+0x93/0x1b0 [ 49.000703][ T517] ? __cfi_mutex_lock+0x10/0x10 [ 49.005618][ T517] ? __fdget_pos+0x2cd/0x380 [ 49.010329][ T517] ? ksys_read+0x70/0x260 [ 49.014873][ T517] ksys_read+0x14a/0x260 [ 49.019664][ T517] ? __cfi_ksys_read+0x10/0x10 [ 49.025084][ T517] ? fput+0x15b/0x1a0 [ 49.029283][ T517] ? debug_smp_processor_id+0x17/0x20 [ 49.036506][ T517] __x64_sys_read+0x7b/0x90 [ 49.042551][ T517] x64_sys_call+0x2f/0x9a0 [ 49.047858][ T517] do_syscall_64+0x4c/0xa0 [ 49.053464][ T517] ? clear_bhb_loop+0x30/0x80 [ 49.058484][ T517] ? clear_bhb_loop+0x30/0x80 [ 49.063432][ T517] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 49.069544][ T517] RIP: 0033:0x7fd398b5ac4e [ 49.074091][ T517] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 49.094539][ T517] RSP: 002b:00007fd399a15fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 49.103178][ T517] RAX: ffffffffffffffda RBX: 00007fd399a166c0 RCX: 00007fd398b5ac4e [ 49.111393][ T517] RDX: 000000000000000f RSI: 00007fd399a160a0 RDI: 0000000000000006 [ 49.119590][ T517] RBP: 00007fd399a16090 R08: 0000000000000000 R09: 0000000000000000 [ 49.127829][ T517] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 49.136438][ T517] R13: 00007fd398de6038 R14: 00007fd398de5fa0 R15: 00007ffe915f3498 [ 49.145229][ T517] [ 49.161079][ T519] CPU: 0 PID: 519 Comm: syz.0.17 Not tainted syzkaller #0 [ 49.168403][ T519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 49.178602][ T519] Call Trace: [ 49.182016][ T519] [ 49.185090][ T519] __dump_stack+0x21/0x24 [ 49.189659][ T519] dump_stack_lvl+0x110/0x170 [ 49.194944][ T519] ? __cfi_dump_stack_lvl+0x8/0x8 [ 49.200196][ T519] dump_stack+0x15/0x24 [ 49.204546][ T519] should_fail_ex+0x3bf/0x510 [ 49.210011][ T519] should_fail+0xb/0x10 [ 49.214325][ T519] should_fail_usercopy+0x1a/0x20 [ 49.219485][ T519] _copy_to_user+0x1e/0x90 [ 49.224120][ T519] simple_read_from_buffer+0xe9/0x160 [ 49.229866][ T519] proc_fail_nth_read+0x1a6/0x220 [ 49.235214][ T519] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 49.241691][ T519] ? security_file_permission+0x94/0xb0 [ 49.247585][ T519] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 49.253434][ T519] vfs_read+0x286/0x930 [ 49.257713][ T519] ? __cfi_vfs_read+0x10/0x10 [ 49.264018][ T519] ? __kasan_check_write+0x14/0x20 [ 49.269455][ T519] ? mutex_lock+0x93/0x1b0 [ 49.275142][ T519] ? __cfi_mutex_lock+0x10/0x10 [ 49.280493][ T519] ? __fdget_pos+0x2cd/0x380 [ 49.286554][ T519] ? ksys_read+0x70/0x260 [ 49.291820][ T519] ksys_read+0x14a/0x260 [ 49.296565][ T519] ? __cfi_ksys_read+0x10/0x10 [ 49.301475][ T519] ? fput+0x15b/0x1a0 [ 49.306039][ T519] ? debug_smp_processor_id+0x17/0x20 [ 49.312754][ T519] __x64_sys_read+0x7b/0x90 [ 49.318442][ T519] x64_sys_call+0x2f/0x9a0 [ 49.323486][ T519] do_syscall_64+0x4c/0xa0 [ 49.328142][ T519] ? clear_bhb_loop+0x30/0x80 [ 49.333037][ T519] ? clear_bhb_loop+0x30/0x80 [ 49.337837][ T519] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 49.344132][ T519] RIP: 0033:0x7faffcb5ac4e [ 49.348754][ T519] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 49.370401][ T519] RSP: 002b:00007faffd9c4fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 49.379466][ T519] RAX: ffffffffffffffda RBX: 00007faffd9c56c0 RCX: 00007faffcb5ac4e [ 49.389977][ T519] RDX: 000000000000000f RSI: 00007faffd9c50a0 RDI: 0000000000000006 [ 49.398337][ T519] RBP: 00007faffd9c5090 R08: 0000000000000000 R09: 0000000000000000 [ 49.408200][ T519] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 49.417001][ T519] R13: 00007faffcde6038 R14: 00007faffcde5fa0 R15: 00007ffe63c2a9d8 [ 49.425399][ T519] [ 49.432791][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 49.453299][ T521] FAULT_INJECTION: forcing a failure. [ 49.453299][ T521] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 49.467098][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 49.475672][ T521] CPU: 0 PID: 521 Comm: syz.6.25 Not tainted syzkaller #0 [ 49.483019][ T521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 49.493987][ T521] Call Trace: [ 49.497392][ T521] [ 49.500709][ T521] __dump_stack+0x21/0x24 [ 49.505195][ T521] dump_stack_lvl+0x110/0x170 [ 49.509921][ T521] ? __cfi_dump_stack_lvl+0x8/0x8 [ 49.515260][ T521] dump_stack+0x15/0x24 [ 49.520408][ T521] should_fail_ex+0x3bf/0x510 [ 49.525573][ T521] should_fail+0xb/0x10 [ 49.530211][ T521] should_fail_usercopy+0x1a/0x20 [ 49.536011][ T521] _copy_to_user+0x1e/0x90 [ 49.540659][ T521] simple_read_from_buffer+0xe9/0x160 [ 49.546258][ T521] proc_fail_nth_read+0x1a6/0x220 [ 49.551597][ T521] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 49.557804][ T521] ? security_file_permission+0x94/0xb0 [ 49.563578][ T521] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 49.570039][ T521] vfs_read+0x286/0x930 [ 49.575038][ T521] ? __cfi_vfs_read+0x10/0x10 [ 49.580191][ T521] ? __kasan_check_write+0x14/0x20 [ 49.586314][ T521] ? mutex_lock+0x93/0x1b0 [ 49.591316][ T521] ? __cfi_mutex_lock+0x10/0x10 [ 49.596367][ T521] ? __fdget_pos+0x2cd/0x380 [ 49.601425][ T521] ? ksys_read+0x70/0x260 [ 49.606515][ T521] ksys_read+0x14a/0x260 [ 49.611622][ T521] ? __cfi_ksys_read+0x10/0x10 [ 49.616591][ T521] ? fput+0x15b/0x1a0 [ 49.621214][ T521] ? debug_smp_processor_id+0x17/0x20 [ 49.627588][ T521] __x64_sys_read+0x7b/0x90 [ 49.632823][ T521] x64_sys_call+0x2f/0x9a0 [ 49.637625][ T521] do_syscall_64+0x4c/0xa0 [ 49.642332][ T521] ? clear_bhb_loop+0x30/0x80 [ 49.647121][ T521] ? clear_bhb_loop+0x30/0x80 [ 49.652178][ T521] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 49.658340][ T521] RIP: 0033:0x7ffbe1d5ac4e [ 49.662895][ T521] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 49.684446][ T521] RSP: 002b:00007ffbe2be6fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 49.693562][ T521] RAX: ffffffffffffffda RBX: 00007ffbe2be76c0 RCX: 00007ffbe1d5ac4e [ 49.701991][ T521] RDX: 000000000000000f RSI: 00007ffbe2be70a0 RDI: 0000000000000006 [ 49.710674][ T521] RBP: 00007ffbe2be7090 R08: 0000000000000000 R09: 0000000000000000 [ 49.719427][ T521] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 49.729243][ T521] R13: 00007ffbe1fe6038 R14: 00007ffbe1fe5fa0 R15: 00007ffe9faa7548 [ 49.737592][ T521] [ 49.752411][ T525] FAULT_INJECTION: forcing a failure. [ 49.752411][ T525] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 49.768472][ T525] CPU: 0 PID: 525 Comm: syz.5.26 Not tainted syzkaller #0 [ 49.776013][ T525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 49.786609][ T525] Call Trace: [ 49.790020][ T525] [ 49.792988][ T525] __dump_stack+0x21/0x24 [ 49.797615][ T525] dump_stack_lvl+0x110/0x170 [ 49.802412][ T525] ? __cfi_dump_stack_lvl+0x8/0x8 [ 49.807663][ T525] dump_stack+0x15/0x24 [ 49.811941][ T525] should_fail_ex+0x3bf/0x510 [ 49.817014][ T525] should_fail+0xb/0x10 [ 49.821302][ T525] should_fail_usercopy+0x1a/0x20 [ 49.826930][ T525] _copy_to_user+0x1e/0x90 [ 49.831721][ T525] simple_read_from_buffer+0xe9/0x160 [ 49.837317][ T525] proc_fail_nth_read+0x1a6/0x220 [ 49.842548][ T525] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 49.848134][ T525] ? security_file_permission+0x94/0xb0 [ 49.853824][ T525] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 49.859582][ T525] vfs_read+0x286/0x930 [ 49.863762][ T525] ? __cfi_vfs_read+0x10/0x10 [ 49.868732][ T525] ? __kasan_check_write+0x14/0x20 [ 49.874019][ T525] ? mutex_lock+0x93/0x1b0 [ 49.878571][ T525] ? __cfi_mutex_lock+0x10/0x10 [ 49.883574][ T525] ? __fdget_pos+0x2cd/0x380 [ 49.888719][ T525] ? ksys_read+0x70/0x260 [ 49.893433][ T525] ksys_read+0x14a/0x260 [ 49.897941][ T525] ? __cfi_ksys_read+0x10/0x10 [ 49.902915][ T525] ? fput+0x15b/0x1a0 [ 49.907195][ T525] ? debug_smp_processor_id+0x17/0x20 [ 49.912778][ T525] __x64_sys_read+0x7b/0x90 [ 49.917425][ T525] x64_sys_call+0x2f/0x9a0 [ 49.922054][ T525] do_syscall_64+0x4c/0xa0 [ 49.926765][ T525] ? clear_bhb_loop+0x30/0x80 [ 49.931670][ T525] ? clear_bhb_loop+0x30/0x80 [ 49.936602][ T525] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 49.942819][ T525] RIP: 0033:0x7fd398b5ac4e [ 49.947492][ T525] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 49.967484][ T525] RSP: 002b:00007fd399a15fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 49.976293][ T525] RAX: ffffffffffffffda RBX: 00007fd399a166c0 RCX: 00007fd398b5ac4e [ 49.984467][ T525] RDX: 000000000000000f RSI: 00007fd399a160a0 RDI: 0000000000000006 [ 49.992679][ T525] RBP: 00007fd399a16090 R08: 0000000000000000 R09: 0000000000000000 [ 50.001120][ T525] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 50.008776][ T530] FAULT_INJECTION: forcing a failure. [ 50.008776][ T530] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 50.009652][ T525] R13: 00007fd398de6038 R14: 00007fd398de5fa0 R15: 00007ffe915f3498 [ 50.032342][ T525] [ 50.036441][ T530] CPU: 1 PID: 530 Comm: syz.4.27 Not tainted syzkaller #0 [ 50.044757][ T530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 50.055381][ T530] Call Trace: [ 50.058975][ T530] [ 50.062211][ T530] __dump_stack+0x21/0x24 [ 50.067117][ T530] dump_stack_lvl+0x110/0x170 [ 50.072275][ T530] ? __cfi_dump_stack_lvl+0x8/0x8 [ 50.077718][ T530] dump_stack+0x15/0x24 [ 50.082160][ T530] should_fail_ex+0x3bf/0x510 [ 50.087131][ T530] should_fail+0xb/0x10 [ 50.091488][ T530] should_fail_usercopy+0x1a/0x20 [ 50.096800][ T530] _copy_to_user+0x1e/0x90 [ 50.101275][ T530] simple_read_from_buffer+0xe9/0x160 [ 50.107317][ T530] proc_fail_nth_read+0x1a6/0x220 [ 50.112826][ T530] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 50.118487][ T530] ? security_file_permission+0x94/0xb0 [ 50.124157][ T530] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 50.130264][ T530] vfs_read+0x286/0x930 [ 50.135083][ T530] ? __cfi_vfs_read+0x10/0x10 [ 50.139790][ T530] ? __kasan_check_write+0x14/0x20 [ 50.145191][ T530] ? mutex_lock+0x93/0x1b0 [ 50.149897][ T530] ? __cfi_mutex_lock+0x10/0x10 [ 50.154862][ T530] ? __fdget_pos+0x2cd/0x380 [ 50.159671][ T530] ? ksys_read+0x70/0x260 [ 50.164150][ T530] ksys_read+0x14a/0x260 [ 50.168512][ T530] ? __cfi_ksys_read+0x10/0x10 [ 50.173596][ T530] ? debug_smp_processor_id+0x17/0x20 [ 50.179171][ T530] __x64_sys_read+0x7b/0x90 [ 50.183960][ T530] x64_sys_call+0x2f/0x9a0 [ 50.188887][ T530] do_syscall_64+0x4c/0xa0 [ 50.193510][ T530] ? clear_bhb_loop+0x30/0x80 [ 50.198214][ T530] ? clear_bhb_loop+0x30/0x80 [ 50.203034][ T530] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 50.209336][ T530] RIP: 0033:0x7f02cff5ac4e [ 50.213815][ T530] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 50.233806][ T530] RSP: 002b:00007f02d0de5fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 50.242437][ T530] RAX: ffffffffffffffda RBX: 00007f02d0de66c0 RCX: 00007f02cff5ac4e [ 50.251960][ T530] RDX: 000000000000000f RSI: 00007f02d0de60a0 RDI: 0000000000000006 [ 50.260506][ T530] RBP: 00007f02d0de6090 R08: 0000000000000000 R09: 0000000000000000 2026/09/16 09:23:13 executed programs: 21 [ 50.268593][ T530] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 50.276948][ T530] R13: 00007f02d01e6128 R14: 00007f02d01e6090 R15: 00007fff8dc3ec88 [ 50.285502][ T530] [ 50.298328][ T531] FAULT_INJECTION: forcing a failure. [ 50.298328][ T531] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 50.314684][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 50.328586][ T532] FAULT_INJECTION: forcing a failure. [ 50.328586][ T532] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 50.335162][ T531] CPU: 0 PID: 531 Comm: syz.0.28 Not tainted syzkaller #0 [ 50.349171][ T531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 50.355948][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 50.359673][ T531] Call Trace: [ 50.359682][ T531] [ 50.374481][ T531] __dump_stack+0x21/0x24 [ 50.378980][ T531] dump_stack_lvl+0x110/0x170 [ 50.384113][ T531] ? __cfi_dump_stack_lvl+0x8/0x8 [ 50.389360][ T531] dump_stack+0x15/0x24 [ 50.394037][ T531] should_fail_ex+0x3bf/0x510 [ 50.398845][ T531] should_fail+0xb/0x10 [ 50.403035][ T531] should_fail_usercopy+0x1a/0x20 [ 50.408535][ T531] _copy_to_user+0x1e/0x90 [ 50.413454][ T531] simple_read_from_buffer+0xe9/0x160 [ 50.418880][ T531] proc_fail_nth_read+0x1a6/0x220 [ 50.424479][ T531] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 50.430541][ T531] ? security_file_permission+0x94/0xb0 [ 50.436474][ T531] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 50.442148][ T531] vfs_read+0x286/0x930 [ 50.446775][ T531] ? __cfi_vfs_read+0x10/0x10 [ 50.451686][ T531] ? __kasan_check_write+0x14/0x20 [ 50.457138][ T531] ? mutex_lock+0x93/0x1b0 [ 50.461994][ T531] ? __cfi_mutex_lock+0x10/0x10 [ 50.467417][ T531] ? __fdget_pos+0x2cd/0x380 [ 50.472148][ T531] ? ksys_read+0x70/0x260 [ 50.477057][ T531] ksys_read+0x14a/0x260 [ 50.482028][ T531] ? __cfi_ksys_read+0x10/0x10 [ 50.487636][ T531] ? debug_smp_processor_id+0x17/0x20 [ 50.494129][ T531] __x64_sys_read+0x7b/0x90 [ 50.499220][ T531] x64_sys_call+0x2f/0x9a0 [ 50.503961][ T531] do_syscall_64+0x4c/0xa0 [ 50.508434][ T531] ? clear_bhb_loop+0x30/0x80 [ 50.513450][ T531] ? clear_bhb_loop+0x30/0x80 [ 50.518174][ T531] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 50.524280][ T531] RIP: 0033:0x7faffcb5ac4e [ 50.528988][ T531] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 50.549345][ T531] RSP: 002b:00007faffd9a3fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 50.558626][ T531] RAX: ffffffffffffffda RBX: 00007faffd9a46c0 RCX: 00007faffcb5ac4e [ 50.568463][ T531] RDX: 000000000000000f RSI: 00007faffd9a40a0 RDI: 0000000000000006 [ 50.577388][ T531] RBP: 00007faffd9a4090 R08: 0000000000000000 R09: 0000000000000000 [ 50.586006][ T531] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 50.594441][ T531] R13: 00007faffcde6128 R14: 00007faffcde6090 R15: 00007ffe63c2a9d8 [ 50.602935][ T531] [ 50.608522][ T532] CPU: 1 PID: 532 Comm: syz.6.29 Not tainted syzkaller #0 [ 50.615927][ T532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 50.626474][ T532] Call Trace: [ 50.631005][ T532] [ 50.634414][ T532] __dump_stack+0x21/0x24 [ 50.639094][ T532] dump_stack_lvl+0x110/0x170 [ 50.644021][ T532] ? __cfi_dump_stack_lvl+0x8/0x8 [ 50.649123][ T532] dump_stack+0x15/0x24 [ 50.653502][ T532] should_fail_ex+0x3bf/0x510 [ 50.658638][ T532] should_fail+0xb/0x10 [ 50.663019][ T532] should_fail_usercopy+0x1a/0x20 [ 50.671230][ T532] _copy_to_user+0x1e/0x90 [ 50.679126][ T532] simple_read_from_buffer+0xe9/0x160 [ 50.688160][ T532] proc_fail_nth_read+0x1a6/0x220 [ 50.693936][ T532] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 50.700168][ T532] ? security_file_permission+0x94/0xb0 [ 50.706047][ T532] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 50.711853][ T532] vfs_read+0x286/0x930 [ 50.716577][ T532] ? __cfi_vfs_read+0x10/0x10 [ 50.722183][ T532] ? __kasan_check_write+0x14/0x20 [ 50.727772][ T532] ? mutex_lock+0x93/0x1b0 [ 50.732588][ T532] ? __cfi_mutex_lock+0x10/0x10 [ 50.737677][ T532] ? __fdget_pos+0x2cd/0x380 [ 50.742495][ T532] ? ksys_read+0x70/0x260 [ 50.747045][ T532] ksys_read+0x14a/0x260 [ 50.751771][ T532] ? __cfi_ksys_read+0x10/0x10 [ 50.756653][ T532] ? debug_smp_processor_id+0x17/0x20 [ 50.762324][ T532] __x64_sys_read+0x7b/0x90 [ 50.767428][ T532] x64_sys_call+0x2f/0x9a0 [ 50.772174][ T532] do_syscall_64+0x4c/0xa0 [ 50.776722][ T532] ? clear_bhb_loop+0x30/0x80 [ 50.781451][ T532] ? clear_bhb_loop+0x30/0x80 [ 50.786543][ T532] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 50.793003][ T532] RIP: 0033:0x7ffbe1d5ac4e [ 50.797536][ T532] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 50.821183][ T532] RSP: 002b:00007ffbe2bc5fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 50.833400][ T532] RAX: ffffffffffffffda RBX: 00007ffbe2bc66c0 RCX: 00007ffbe1d5ac4e [ 50.844948][ T532] RDX: 000000000000000f RSI: 00007ffbe2bc60a0 RDI: 0000000000000006 [ 50.854682][ T532] RBP: 00007ffbe2bc6090 R08: 0000000000000000 R09: 0000000000000000 [ 50.862900][ T532] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 50.871424][ T532] R13: 00007ffbe1fe6128 R14: 00007ffbe1fe6090 R15: 00007ffe9faa7548 [ 50.880519][ T532] [ 50.885033][ T536] FAULT_INJECTION: forcing a failure. [ 50.885033][ T536] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 50.911046][ T536] CPU: 0 PID: 536 Comm: syz.5.30 Not tainted syzkaller #0 [ 50.922914][ T536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 50.937804][ T536] Call Trace: [ 50.942827][ T536] [ 50.945942][ T536] __dump_stack+0x21/0x24 [ 50.950846][ T536] dump_stack_lvl+0x110/0x170 [ 50.955701][ T536] ? __cfi_dump_stack_lvl+0x8/0x8 [ 50.960851][ T536] ? dump_stack+0x9/0x24 [ 50.965474][ T536] ? dump_stack_lvl+0x6/0x170 [ 50.970631][ T536] dump_stack+0x15/0x24 [ 50.975887][ T536] should_fail_ex+0x3bf/0x510 [ 50.980863][ T536] should_fail+0xb/0x10 [ 50.985295][ T536] should_fail_usercopy+0x1a/0x20 [ 50.990625][ T536] _copy_to_user+0x1e/0x90 [ 50.995542][ T536] simple_read_from_buffer+0xe9/0x160 [ 51.001041][ T536] proc_fail_nth_read+0x1a6/0x220 [ 51.006102][ T536] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 51.011860][ T536] ? security_file_permission+0x94/0xb0 [ 51.017978][ T536] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 51.024084][ T536] vfs_read+0x286/0x930 [ 51.028916][ T536] ? __cfi_vfs_read+0x10/0x10 [ 51.033813][ T536] ? __kasan_check_write+0x14/0x20 [ 51.039052][ T536] ? mutex_lock+0x93/0x1b0 [ 51.044200][ T536] ? __cfi_mutex_lock+0x10/0x10 [ 51.049268][ T536] ? __fdget_pos+0x2cd/0x380 [ 51.054077][ T536] ? ksys_read+0x70/0x260 [ 51.058708][ T536] ksys_read+0x14a/0x260 [ 51.063159][ T536] ? __cfi_ksys_read+0x10/0x10 [ 51.068567][ T536] ? debug_smp_processor_id+0x17/0x20 [ 51.074926][ T536] __x64_sys_read+0x7b/0x90 [ 51.079832][ T536] x64_sys_call+0x2f/0x9a0 [ 51.084375][ T536] do_syscall_64+0x4c/0xa0 [ 51.089215][ T536] ? clear_bhb_loop+0x30/0x80 [ 51.093943][ T536] ? clear_bhb_loop+0x30/0x80 [ 51.099028][ T536] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 51.105061][ T536] RIP: 0033:0x7fd398b5ac4e [ 51.109549][ T536] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 51.130137][ T536] RSP: 002b:00007fd3999f4fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 51.139825][ T536] RAX: ffffffffffffffda RBX: 00007fd3999f56c0 RCX: 00007fd398b5ac4e [ 51.148365][ T536] RDX: 000000000000000f RSI: 00007fd3999f50a0 RDI: 0000000000000006 [ 51.156429][ T536] RBP: 00007fd3999f5090 R08: 0000000000000000 R09: 0000000000000000 [ 51.166792][ T536] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 51.179195][ T536] R13: 00007fd398de6128 R14: 00007fd398de6090 R15: 00007ffe915f3498 [ 51.187746][ T536] [ 51.199715][ T537] FAULT_INJECTION: forcing a failure. [ 51.199715][ T537] name failslab, interval 1, probability 0, space 0, times 0 [ 51.237859][ T537] CPU: 1 PID: 537 Comm: syz.4.31 Not tainted syzkaller #0 [ 51.246620][ T537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 51.257172][ T537] Call Trace: [ 51.260855][ T537] [ 51.264002][ T537] __dump_stack+0x21/0x24 [ 51.268660][ T537] dump_stack_lvl+0x110/0x170 [ 51.273861][ T537] ? __cfi_dump_stack_lvl+0x8/0x8 [ 51.279376][ T537] ? unwind_get_return_address+0x4d/0x90 [ 51.285778][ T537] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 51.292540][ T537] dump_stack+0x15/0x24 [ 51.297541][ T537] should_fail_ex+0x3bf/0x510 [ 51.303687][ T537] __should_failslab+0xac/0xf0 [ 51.309991][ T537] should_failslab+0x9/0x20 [ 51.315133][ T537] __kmem_cache_alloc_node+0x3d/0x2d0 [ 51.321814][ T537] ? tracepoint_probe_unregister+0x211/0x8e0 [ 51.328679][ T537] ? __cfi_mutex_lock+0x10/0x10 [ 51.335952][ T537] ? delete_node+0x3e9/0xa60 [ 51.341913][ T537] ? tracepoint_probe_unregister+0x211/0x8e0 [ 51.350990][ T537] __kmalloc+0xa4/0x1e0 [ 51.356347][ T537] ? __cfi___bpf_trace_neigh_update+0x10/0x10 [ 51.364038][ T537] tracepoint_probe_unregister+0x211/0x8e0 [ 51.370084][ T537] bpf_probe_unregister+0x61/0x70 [ 51.375428][ T537] bpf_raw_tp_link_release+0x63/0x90 [ 51.381540][ T537] bpf_link_free+0x13b/0x3b0 [ 51.387211][ T537] ? bpf_link_put_deferred+0x20/0x20 [ 51.392963][ T537] bpf_link_release+0x15f/0x170 [ 51.398474][ T537] ? __cfi_bpf_link_release+0x10/0x10 [ 51.403985][ T537] __fput+0x1fd/0x8f0 [ 51.408113][ T537] ____fput+0x15/0x20 [ 51.412703][ T537] task_work_run+0x1e1/0x250 [ 51.418096][ T537] ? __cfi_task_work_run+0x10/0x10 [ 51.426425][ T537] ? fput+0x15b/0x1a0 [ 51.431862][ T537] exit_to_user_mode_loop+0x9b/0xb0 [ 51.439311][ T537] exit_to_user_mode_prepare+0x87/0xd0 [ 51.445670][ T537] syscall_exit_to_user_mode+0x1a/0x30 [ 51.453972][ T537] do_syscall_64+0x58/0xa0 [ 51.458454][ T537] ? clear_bhb_loop+0x30/0x80 [ 51.463285][ T537] ? clear_bhb_loop+0x30/0x80 [ 51.468822][ T537] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 51.476424][ T537] RIP: 0033:0x7f02cff9a379 [ 51.481714][ T537] 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 [ 51.505272][ T537] RSP: 002b:00007f02d0e07028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 51.514348][ T537] RAX: 0000000000000000 RBX: 00007f02d01e5fa0 RCX: 00007f02cff9a379 [ 51.524350][ T537] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 51.533299][ T537] RBP: 00007f02d0e07090 R08: 0000000000000000 R09: 0000000000000000 [ 51.542592][ T537] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 51.551195][ T537] R13: 00007f02d01e6038 R14: 00007f02d01e5fa0 R15: 00007fff8dc3ec88 [ 51.559836][ T537] [ 51.582852][ T541] FAULT_INJECTION: forcing a failure. [ 51.582852][ T541] name failslab, interval 1, probability 0, space 0, times 0 [ 51.606461][ T541] CPU: 1 PID: 541 Comm: syz.3.20 Not tainted syzkaller #0 [ 51.614538][ T541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 51.625093][ T541] Call Trace: [ 51.628952][ T541] [ 51.632097][ T541] __dump_stack+0x21/0x24 [ 51.636586][ T541] dump_stack_lvl+0x110/0x170 [ 51.641862][ T541] ? __cfi_dump_stack_lvl+0x8/0x8 [ 51.647216][ T541] ? unwind_get_return_address+0x4d/0x90 [ 51.653022][ T541] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 51.659919][ T541] dump_stack+0x15/0x24 [ 51.664323][ T541] should_fail_ex+0x3bf/0x510 [ 51.670329][ T541] __should_failslab+0xac/0xf0 [ 51.676382][ T541] should_failslab+0x9/0x20 [ 51.684383][ T541] __kmem_cache_alloc_node+0x3d/0x2d0 [ 51.690379][ T541] ? tracepoint_probe_unregister+0x211/0x8e0 [ 51.696587][ T541] ? __cfi_mutex_lock+0x10/0x10 [ 51.702089][ T541] ? delete_node+0x3e9/0xa60 [ 51.706840][ T541] ? tracepoint_probe_unregister+0x211/0x8e0 [ 51.712877][ T541] __kmalloc+0xa4/0x1e0 [ 51.717259][ T541] ? __cfi___bpf_trace_neigh_update+0x10/0x10 [ 51.723623][ T541] tracepoint_probe_unregister+0x211/0x8e0 [ 51.730265][ T541] bpf_probe_unregister+0x61/0x70 [ 51.736729][ T541] bpf_raw_tp_link_release+0x63/0x90 [ 51.743104][ T541] bpf_link_free+0x13b/0x3b0 [ 51.747906][ T541] ? bpf_link_put_deferred+0x20/0x20 [ 51.753242][ T541] bpf_link_release+0x15f/0x170 [ 51.759132][ T541] ? __cfi_bpf_link_release+0x10/0x10 [ 51.764881][ T541] __fput+0x1fd/0x8f0 [ 51.768983][ T541] ____fput+0x15/0x20 [ 51.773073][ T541] task_work_run+0x1e1/0x250 [ 51.777904][ T541] ? __cfi_task_work_run+0x10/0x10 [ 51.783528][ T541] ? fput+0x15b/0x1a0 [ 51.788253][ T541] exit_to_user_mode_loop+0x9b/0xb0 [ 51.793525][ T541] exit_to_user_mode_prepare+0x87/0xd0 [ 51.802666][ T541] syscall_exit_to_user_mode+0x1a/0x30 [ 51.809216][ T541] do_syscall_64+0x58/0xa0 [ 51.814019][ T541] ? clear_bhb_loop+0x30/0x80 [ 51.818755][ T541] ? clear_bhb_loop+0x30/0x80 [ 51.823810][ T541] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 51.830205][ T541] RIP: 0033:0x7f611b99a379 [ 51.834926][ T541] 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 [ 51.855112][ T541] RSP: 002b:00007f611c8ac028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 51.864473][ T541] RAX: 0000000000000000 RBX: 00007f611bbe5fa0 RCX: 00007f611b99a379 [ 51.872638][ T541] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 51.880839][ T541] RBP: 00007f611c8ac090 R08: 0000000000000000 R09: 0000000000000000 [ 51.889469][ T541] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 51.897992][ T541] R13: 00007f611bbe6038 R14: 00007f611bbe5fa0 R15: 00007ffd27cf0198 [ 51.906983][ T541] [ 51.912434][ T540] FAULT_INJECTION: forcing a failure. [ 51.912434][ T540] name failslab, interval 1, probability 0, space 0, times 0 [ 51.928981][ T540] CPU: 0 PID: 540 Comm: syz.6.32 Not tainted syzkaller #0 [ 51.936445][ T540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 51.947366][ T540] Call Trace: [ 51.951228][ T540] [ 51.954389][ T540] __dump_stack+0x21/0x24 [ 51.958885][ T540] dump_stack_lvl+0x110/0x170 [ 51.963996][ T540] ? __cfi_dump_stack_lvl+0x8/0x8 [ 51.969203][ T540] ? unwind_get_return_address+0x4d/0x90 [ 51.975478][ T540] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 51.981891][ T540] dump_stack+0x15/0x24 [ 51.986370][ T540] should_fail_ex+0x3bf/0x510 [ 51.991173][ T540] __should_failslab+0xac/0xf0 [ 51.996402][ T540] should_failslab+0x9/0x20 [ 52.001281][ T540] __kmem_cache_alloc_node+0x3d/0x2d0 [ 52.006761][ T540] ? tracepoint_probe_unregister+0x211/0x8e0 [ 52.013129][ T540] ? __cfi_mutex_lock+0x10/0x10 [ 52.018110][ T540] ? delete_node+0x3df/0xa60 [ 52.023236][ T540] ? tracepoint_probe_unregister+0x211/0x8e0 [ 52.029799][ T540] __kmalloc+0xa4/0x1e0 [ 52.034081][ T540] ? __cfi___bpf_trace_neigh_update+0x10/0x10 [ 52.040514][ T540] tracepoint_probe_unregister+0x211/0x8e0 [ 52.046912][ T540] bpf_probe_unregister+0x61/0x70 [ 52.052172][ T540] bpf_raw_tp_link_release+0x63/0x90 [ 52.057776][ T540] bpf_link_free+0x13b/0x3b0 [ 52.062800][ T540] ? bpf_link_put_deferred+0x20/0x20 [ 52.068908][ T540] bpf_link_release+0x15f/0x170 [ 52.074010][ T540] ? __cfi_bpf_link_release+0x10/0x10 [ 52.079812][ T540] __fput+0x1fd/0x8f0 [ 52.083840][ T540] ____fput+0x15/0x20 [ 52.087875][ T540] task_work_run+0x1e1/0x250 [ 52.092735][ T540] ? __cfi_task_work_run+0x10/0x10 [ 52.098259][ T540] ? fput+0x15b/0x1a0 [ 52.102402][ T540] exit_to_user_mode_loop+0x9b/0xb0 [ 52.107835][ T540] exit_to_user_mode_prepare+0x87/0xd0 [ 52.114049][ T540] syscall_exit_to_user_mode+0x1a/0x30 [ 52.119739][ T540] do_syscall_64+0x58/0xa0 [ 52.124209][ T540] ? clear_bhb_loop+0x30/0x80 [ 52.128911][ T540] ? clear_bhb_loop+0x30/0x80 [ 52.133613][ T540] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 52.139539][ T540] RIP: 0033:0x7ffbe1d9a379 [ 52.144548][ T540] 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 [ 52.165943][ T540] RSP: 002b:00007ffbe2be7028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 52.175208][ T540] RAX: 0000000000000000 RBX: 00007ffbe1fe5fa0 RCX: 00007ffbe1d9a379 [ 52.184529][ T540] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 52.193258][ T540] RBP: 00007ffbe2be7090 R08: 0000000000000000 R09: 0000000000000000 [ 52.202896][ T540] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 52.211328][ T540] R13: 00007ffbe1fe6038 R14: 00007ffbe1fe5fa0 R15: 00007ffe9faa7548 [ 52.220300][ T540] [ 52.224679][ T551] FAULT_INJECTION: forcing a failure. [ 52.224679][ T551] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 52.227159][ T543] FAULT_INJECTION: forcing a failure. [ 52.227159][ T543] name failslab, interval 1, probability 0, space 0, times 0 [ 52.249053][ T551] CPU: 1 PID: 551 Comm: syz.4.34 Not tainted syzkaller #0 [ 52.258176][ T551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 52.268643][ T551] Call Trace: [ 52.272659][ T551] [ 52.275621][ T551] __dump_stack+0x21/0x24 [ 52.280164][ T551] dump_stack_lvl+0x110/0x170 [ 52.285057][ T551] ? __cfi_dump_stack_lvl+0x8/0x8 [ 52.290226][ T551] dump_stack+0x15/0x24 [ 52.294506][ T551] should_fail_ex+0x3bf/0x510 [ 52.299223][ T551] should_fail+0xb/0x10 [ 52.303700][ T551] should_fail_usercopy+0x1a/0x20 [ 52.309132][ T551] _copy_to_user+0x1e/0x90 [ 52.313951][ T551] simple_read_from_buffer+0xe9/0x160 [ 52.319796][ T551] proc_fail_nth_read+0x1a6/0x220 [ 52.324879][ T551] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 52.330567][ T551] ? security_file_permission+0x94/0xb0 [ 52.336805][ T551] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 52.342390][ T551] vfs_read+0x286/0x930 [ 52.346595][ T551] ? __cfi_vfs_read+0x10/0x10 [ 52.351684][ T551] ? __kasan_check_write+0x14/0x20 [ 52.356924][ T551] ? mutex_lock+0x93/0x1b0 [ 52.361547][ T551] ? __cfi_mutex_lock+0x10/0x10 [ 52.366507][ T551] ? __fdget_pos+0x2cd/0x380 [ 52.371135][ T551] ? ksys_read+0x70/0x260 [ 52.375585][ T551] ksys_read+0x14a/0x260 [ 52.379958][ T551] ? __cfi_ksys_read+0x10/0x10 [ 52.385457][ T551] ? debug_smp_processor_id+0x17/0x20 [ 52.391335][ T551] __x64_sys_read+0x7b/0x90 [ 52.396190][ T551] x64_sys_call+0x2f/0x9a0 [ 52.400881][ T551] do_syscall_64+0x4c/0xa0 [ 52.406388][ T551] ? clear_bhb_loop+0x30/0x80 [ 52.411451][ T551] ? clear_bhb_loop+0x30/0x80 [ 52.416366][ T551] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 52.422748][ T551] RIP: 0033:0x7f02cff5ac4e [ 52.427332][ T551] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 52.448907][ T551] RSP: 002b:00007f02d0de5fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 52.457712][ T551] RAX: ffffffffffffffda RBX: 00007f02d0de66c0 RCX: 00007f02cff5ac4e [ 52.466333][ T551] RDX: 000000000000000f RSI: 00007f02d0de60a0 RDI: 0000000000000006 [ 52.475064][ T551] RBP: 00007f02d0de6090 R08: 0000000000000000 R09: 0000000000000000 [ 52.484857][ T551] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 52.494358][ T551] R13: 00007f02d01e6128 R14: 00007f02d01e6090 R15: 00007fff8dc3ec88 [ 52.505226][ T551] [ 52.510921][ T543] CPU: 0 PID: 543 Comm: syz.0.33 Not tainted syzkaller #0 [ 52.518424][ T543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 52.519623][ T555] FAULT_INJECTION: forcing a failure. [ 52.519623][ T555] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 52.529222][ T543] Call Trace: [ 52.529238][ T543] [ 52.529247][ T543] __dump_stack+0x21/0x24 [ 52.529282][ T543] dump_stack_lvl+0x110/0x170 [ 52.529309][ T543] ? __cfi_dump_stack_lvl+0x8/0x8 [ 52.565346][ T543] ? unwind_get_return_address+0x4d/0x90 [ 52.571126][ T543] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 52.578408][ T543] dump_stack+0x15/0x24 [ 52.583806][ T543] should_fail_ex+0x3bf/0x510 [ 52.588810][ T543] __should_failslab+0xac/0xf0 [ 52.594587][ T543] should_failslab+0x9/0x20 [ 52.599564][ T543] __kmem_cache_alloc_node+0x3d/0x2d0 [ 52.605325][ T543] ? tracepoint_probe_unregister+0x211/0x8e0 [ 52.611457][ T543] ? __cfi_mutex_lock+0x10/0x10 [ 52.616622][ T543] ? delete_node+0x3df/0xa60 [ 52.623814][ T543] ? tracepoint_probe_unregister+0x211/0x8e0 [ 52.630725][ T543] __kmalloc+0xa4/0x1e0 [ 52.636527][ T543] ? __cfi___bpf_trace_neigh_update+0x10/0x10 [ 52.642743][ T543] tracepoint_probe_unregister+0x211/0x8e0 [ 52.649166][ T543] bpf_probe_unregister+0x61/0x70 [ 52.654242][ T543] bpf_raw_tp_link_release+0x63/0x90 [ 52.659687][ T543] bpf_link_free+0x13b/0x3b0 [ 52.664926][ T543] ? bpf_link_put_deferred+0x20/0x20 [ 52.670545][ T543] bpf_link_release+0x15f/0x170 [ 52.677334][ T543] ? __cfi_bpf_link_release+0x10/0x10 [ 52.685647][ T543] __fput+0x1fd/0x8f0 [ 52.692965][ T543] ____fput+0x15/0x20 [ 52.697664][ T543] task_work_run+0x1e1/0x250 [ 52.702841][ T543] ? __cfi_task_work_run+0x10/0x10 [ 52.709237][ T543] ? fput+0x15b/0x1a0 [ 52.713635][ T543] exit_to_user_mode_loop+0x9b/0xb0 [ 52.719742][ T543] exit_to_user_mode_prepare+0x87/0xd0 [ 52.725448][ T543] syscall_exit_to_user_mode+0x1a/0x30 [ 52.731267][ T543] do_syscall_64+0x58/0xa0 [ 52.736108][ T543] ? clear_bhb_loop+0x30/0x80 [ 52.741093][ T543] ? clear_bhb_loop+0x30/0x80 [ 52.746204][ T543] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 52.752597][ T543] RIP: 0033:0x7faffcb9a379 [ 52.757669][ T543] 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 [ 52.777545][ T543] RSP: 002b:00007faffd9c5028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 52.786929][ T543] RAX: 0000000000000000 RBX: 00007faffcde5fa0 RCX: 00007faffcb9a379 [ 52.795294][ T543] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 52.804536][ T543] RBP: 00007faffd9c5090 R08: 0000000000000000 R09: 0000000000000000 [ 52.814494][ T543] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 52.823279][ T543] R13: 00007faffcde6038 R14: 00007faffcde5fa0 R15: 00007ffe63c2a9d8 [ 52.831629][ T543] [ 52.835615][ T555] CPU: 1 PID: 555 Comm: syz.3.36 Not tainted syzkaller #0 [ 52.843053][ T555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 52.853498][ T555] Call Trace: [ 52.856808][ T555] [ 52.860135][ T555] __dump_stack+0x21/0x24 [ 52.864607][ T555] dump_stack_lvl+0x110/0x170 [ 52.869347][ T555] ? __cfi_dump_stack_lvl+0x8/0x8 [ 52.874958][ T555] dump_stack+0x15/0x24 [ 52.879344][ T555] should_fail_ex+0x3bf/0x510 [ 52.884624][ T555] should_fail+0xb/0x10 [ 52.889185][ T555] should_fail_usercopy+0x1a/0x20 [ 52.894698][ T555] _copy_to_user+0x1e/0x90 [ 52.899160][ T555] simple_read_from_buffer+0xe9/0x160 [ 52.905012][ T555] proc_fail_nth_read+0x1a6/0x220 [ 52.911314][ T555] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 52.917080][ T555] ? security_file_permission+0x94/0xb0 [ 52.922682][ T555] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 52.928386][ T555] vfs_read+0x286/0x930 [ 52.932671][ T555] ? __cfi_vfs_read+0x10/0x10 [ 52.937482][ T555] ? __kasan_check_write+0x14/0x20 [ 52.943260][ T555] ? mutex_lock+0x93/0x1b0 [ 52.947985][ T555] ? __cfi_mutex_lock+0x10/0x10 [ 52.953283][ T555] ? __fdget_pos+0x2cd/0x380 [ 52.958440][ T555] ? ksys_read+0x70/0x260 [ 52.963003][ T555] ksys_read+0x14a/0x260 [ 52.967491][ T555] ? __cfi_ksys_read+0x10/0x10 [ 52.972400][ T555] ? debug_smp_processor_id+0x17/0x20 [ 52.977940][ T555] __x64_sys_read+0x7b/0x90 [ 52.982745][ T555] x64_sys_call+0x2f/0x9a0 [ 52.987487][ T555] do_syscall_64+0x4c/0xa0 [ 52.992251][ T555] ? clear_bhb_loop+0x30/0x80 [ 52.996978][ T555] ? clear_bhb_loop+0x30/0x80 [ 53.001919][ T555] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 53.007940][ T555] RIP: 0033:0x7f611b95ac4e [ 53.013440][ T555] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 53.034947][ T555] RSP: 002b:00007f611c88afe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 53.044203][ T555] RAX: ffffffffffffffda RBX: 00007f611c88b6c0 RCX: 00007f611b95ac4e [ 53.052659][ T555] RDX: 000000000000000f RSI: 00007f611c88b0a0 RDI: 0000000000000006 [ 53.061276][ T555] RBP: 00007f611c88b090 R08: 0000000000000000 R09: 0000000000000000 [ 53.070805][ T555] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 53.078827][ T555] R13: 00007f611bbe6128 R14: 00007f611bbe6090 R15: 00007ffd27cf0198 [ 53.087098][ T555] [ 53.094251][ T545] FAULT_INJECTION: forcing a failure. [ 53.094251][ T545] name failslab, interval 1, probability 0, space 0, times 0 [ 53.113217][ T545] CPU: 0 PID: 545 Comm: syz.5.35 Not tainted syzkaller #0 [ 53.118750][ T554] FAULT_INJECTION: forcing a failure. [ 53.118750][ T554] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 53.120754][ T545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 53.120771][ T545] Call Trace: [ 53.120778][ T545] [ 53.120786][ T545] __dump_stack+0x21/0x24 [ 53.120825][ T545] dump_stack_lvl+0x110/0x170 [ 53.120855][ T545] ? __cfi_dump_stack_lvl+0x8/0x8 [ 53.120884][ T545] ? unwind_get_return_address+0x4d/0x90 [ 53.120912][ T545] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 53.120946][ T545] dump_stack+0x15/0x24 [ 53.120976][ T545] should_fail_ex+0x3bf/0x510 [ 53.121006][ T545] __should_failslab+0xac/0xf0 [ 53.121037][ T545] should_failslab+0x9/0x20 [ 53.121062][ T545] __kmem_cache_alloc_node+0x3d/0x2d0 [ 53.121091][ T545] ? tracepoint_probe_unregister+0x211/0x8e0 [ 53.121124][ T545] ? __cfi_mutex_lock+0x10/0x10 [ 53.121146][ T545] ? delete_node+0x3df/0xa60 [ 53.121166][ T545] ? tracepoint_probe_unregister+0x211/0x8e0 [ 53.121196][ T545] __kmalloc+0xa4/0x1e0 [ 53.121223][ T545] ? __cfi___bpf_trace_neigh_update+0x10/0x10 [ 53.121255][ T545] tracepoint_probe_unregister+0x211/0x8e0 [ 53.121287][ T545] bpf_probe_unregister+0x61/0x70 [ 53.121323][ T545] bpf_raw_tp_link_release+0x63/0x90 [ 53.121351][ T545] bpf_link_free+0x13b/0x3b0 [ 53.121385][ T545] ? bpf_link_put_deferred+0x20/0x20 [ 53.121422][ T545] bpf_link_release+0x15f/0x170 [ 53.121444][ T545] ? __cfi_bpf_link_release+0x10/0x10 [ 53.121468][ T545] __fput+0x1fd/0x8f0 [ 53.121500][ T545] ____fput+0x15/0x20 [ 53.294949][ T545] task_work_run+0x1e1/0x250 [ 53.299870][ T545] ? __cfi_task_work_run+0x10/0x10 [ 53.305916][ T545] ? fput+0x15b/0x1a0 [ 53.309954][ T545] exit_to_user_mode_loop+0x9b/0xb0 [ 53.315465][ T545] exit_to_user_mode_prepare+0x87/0xd0 [ 53.321231][ T545] syscall_exit_to_user_mode+0x1a/0x30 [ 53.326908][ T545] do_syscall_64+0x58/0xa0 [ 53.331652][ T545] ? clear_bhb_loop+0x30/0x80 [ 53.336381][ T545] ? clear_bhb_loop+0x30/0x80 [ 53.341562][ T545] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 53.348462][ T545] RIP: 0033:0x7fd398b9a379 [ 53.353261][ T545] 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 [ 53.373179][ T545] RSP: 002b:00007fd399a16028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 53.382153][ T545] RAX: 0000000000000000 RBX: 00007fd398de5fa0 RCX: 00007fd398b9a379 [ 53.390341][ T545] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 53.398461][ T545] RBP: 00007fd399a16090 R08: 0000000000000000 R09: 0000000000000000 [ 53.406638][ T545] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 53.415074][ T545] R13: 00007fd398de6038 R14: 00007fd398de5fa0 R15: 00007ffe915f3498 [ 53.423433][ T545] [ 53.426740][ T554] CPU: 1 PID: 554 Comm: syz.6.37 Not tainted syzkaller #0 [ 53.434098][ T554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 53.444208][ T554] Call Trace: [ 53.447699][ T554] [ 53.450763][ T554] __dump_stack+0x21/0x24 [ 53.455602][ T554] dump_stack_lvl+0x110/0x170 [ 53.460423][ T554] ? __cfi_dump_stack_lvl+0x8/0x8 [ 53.460763][ T558] FAULT_INJECTION: forcing a failure. [ 53.460763][ T558] name failslab, interval 1, probability 0, space 0, times 0 [ 53.465523][ T554] dump_stack+0x15/0x24 [ 53.482916][ T554] should_fail_ex+0x3bf/0x510 [ 53.488711][ T554] should_fail+0xb/0x10 [ 53.493195][ T554] should_fail_usercopy+0x1a/0x20 [ 53.498875][ T554] _copy_to_user+0x1e/0x90 [ 53.503447][ T554] simple_read_from_buffer+0xe9/0x160 [ 53.509063][ T554] proc_fail_nth_read+0x1a6/0x220 [ 53.514225][ T554] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 53.520947][ T554] ? security_file_permission+0x94/0xb0 [ 53.528527][ T554] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 53.534393][ T554] vfs_read+0x286/0x930 [ 53.539247][ T554] ? __cfi_vfs_read+0x10/0x10 [ 53.544897][ T554] ? __kasan_check_write+0x14/0x20 [ 53.551377][ T554] ? mutex_lock+0x93/0x1b0 [ 53.556511][ T554] ? __cfi_mutex_lock+0x10/0x10 [ 53.561723][ T554] ? __fdget_pos+0x2cd/0x380 [ 53.566765][ T554] ? ksys_read+0x70/0x260 [ 53.571142][ T554] ksys_read+0x14a/0x260 [ 53.575610][ T554] ? __cfi_ksys_read+0x10/0x10 [ 53.581075][ T554] ? debug_smp_processor_id+0x17/0x20 [ 53.586945][ T554] __x64_sys_read+0x7b/0x90 [ 53.592153][ T554] x64_sys_call+0x2f/0x9a0 [ 53.596792][ T554] do_syscall_64+0x4c/0xa0 [ 53.601517][ T554] ? clear_bhb_loop+0x30/0x80 [ 53.606592][ T554] ? clear_bhb_loop+0x30/0x80 [ 53.613341][ T554] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 53.619326][ T554] RIP: 0033:0x7ffbe1d5ac4e [ 53.624222][ T554] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 53.644912][ T554] RSP: 002b:00007ffbe2be6fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 53.655278][ T554] RAX: ffffffffffffffda RBX: 00007ffbe2be76c0 RCX: 00007ffbe1d5ac4e [ 53.664421][ T554] RDX: 000000000000000f RSI: 00007ffbe2be70a0 RDI: 0000000000000006 [ 53.673219][ T554] RBP: 00007ffbe2be7090 R08: 0000000000000000 R09: 0000000000000000 [ 53.683199][ T554] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 53.696870][ T554] R13: 00007ffbe1fe6038 R14: 00007ffbe1fe5fa0 R15: 00007ffe9faa7548 [ 53.705876][ T554] [ 53.709479][ T558] CPU: 0 PID: 558 Comm: syz.0.38 Not tainted syzkaller #0 [ 53.717169][ T558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 53.728713][ T558] Call Trace: [ 53.732219][ T558] [ 53.735721][ T558] __dump_stack+0x21/0x24 [ 53.740133][ T558] dump_stack_lvl+0x110/0x170 [ 53.744978][ T558] ? __cfi_dump_stack_lvl+0x8/0x8 [ 53.750927][ T558] ? unwind_get_return_address+0x4d/0x90 [ 53.756784][ T558] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 53.763067][ T558] dump_stack+0x15/0x24 [ 53.767271][ T558] should_fail_ex+0x3bf/0x510 [ 53.772358][ T558] __should_failslab+0xac/0xf0 [ 53.777723][ T558] should_failslab+0x9/0x20 [ 53.784052][ T558] __kmem_cache_alloc_node+0x3d/0x2d0 [ 53.791081][ T558] ? tracepoint_probe_unregister+0x211/0x8e0 [ 53.799258][ T558] ? __cfi_mutex_lock+0x10/0x10 [ 53.804608][ T558] ? delete_node+0x3e9/0xa60 [ 53.809685][ T558] ? tracepoint_probe_unregister+0x211/0x8e0 [ 53.816643][ T558] __kmalloc+0xa4/0x1e0 [ 53.822559][ T558] ? __cfi___bpf_trace_neigh_update+0x10/0x10 [ 53.829315][ T558] tracepoint_probe_unregister+0x211/0x8e0 [ 53.836003][ T558] bpf_probe_unregister+0x61/0x70 [ 53.843024][ T558] bpf_raw_tp_link_release+0x63/0x90 [ 53.848802][ T558] bpf_link_free+0x13b/0x3b0 [ 53.853967][ T558] ? bpf_link_put_deferred+0x20/0x20 [ 53.859667][ T558] bpf_link_release+0x15f/0x170 [ 53.866041][ T558] ? __cfi_bpf_link_release+0x10/0x10 [ 53.871567][ T558] __fput+0x1fd/0x8f0 [ 53.875865][ T558] ____fput+0x15/0x20 [ 53.879900][ T558] task_work_run+0x1e1/0x250 [ 53.884694][ T558] ? __cfi_task_work_run+0x10/0x10 [ 53.889855][ T558] ? fput+0x15b/0x1a0 [ 53.894199][ T558] exit_to_user_mode_loop+0x9b/0xb0 [ 53.899727][ T558] exit_to_user_mode_prepare+0x87/0xd0 [ 53.905430][ T558] syscall_exit_to_user_mode+0x1a/0x30 [ 53.911646][ T558] do_syscall_64+0x58/0xa0 [ 53.916240][ T558] ? clear_bhb_loop+0x30/0x80 [ 53.921404][ T558] ? clear_bhb_loop+0x30/0x80 [ 53.926228][ T558] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 53.932237][ T558] RIP: 0033:0x7faffcb9a379 [ 53.936887][ T558] 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 [ 53.957331][ T558] RSP: 002b:00007faffd9c5028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 53.966394][ T558] RAX: 0000000000000000 RBX: 00007faffcde5fa0 RCX: 00007faffcb9a379 [ 53.975093][ T558] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 53.983918][ T558] RBP: 00007faffd9c5090 R08: 0000000000000000 R09: 0000000000000000 [ 53.992460][ T558] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 54.001499][ T558] R13: 00007faffcde6038 R14: 00007faffcde5fa0 R15: 00007ffe63c2a9d8 [ 54.010199][ T558] [ 54.031808][ T561] FAULT_INJECTION: forcing a failure. [ 54.031808][ T561] name failslab, interval 1, probability 0, space 0, times 0 [ 54.045366][ T561] CPU: 0 PID: 561 Comm: syz.5.39 Not tainted syzkaller #0 [ 54.052794][ T561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 54.063149][ T561] Call Trace: [ 54.066906][ T561] [ 54.069960][ T561] __dump_stack+0x21/0x24 [ 54.074525][ T561] dump_stack_lvl+0x110/0x170 [ 54.079240][ T561] ? __cfi_dump_stack_lvl+0x8/0x8 [ 54.084313][ T561] ? unwind_get_return_address+0x4d/0x90 [ 54.090096][ T561] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 54.096554][ T561] dump_stack+0x15/0x24 [ 54.100755][ T561] should_fail_ex+0x3bf/0x510 [ 54.105457][ T561] __should_failslab+0xac/0xf0 [ 54.110349][ T561] should_failslab+0x9/0x20 [ 54.114965][ T561] __kmem_cache_alloc_node+0x3d/0x2d0 [ 54.120635][ T561] ? tracepoint_probe_unregister+0x211/0x8e0 [ 54.126665][ T561] ? __cfi_mutex_lock+0x10/0x10 [ 54.131568][ T561] ? delete_node+0x3e9/0xa60 [ 54.136283][ T561] ? tracepoint_probe_unregister+0x211/0x8e0 [ 54.142667][ T561] __kmalloc+0xa4/0x1e0 [ 54.146889][ T561] ? __cfi___bpf_trace_neigh_update+0x10/0x10 [ 54.153019][ T561] tracepoint_probe_unregister+0x211/0x8e0 [ 54.159152][ T561] bpf_probe_unregister+0x61/0x70 [ 54.164416][ T561] bpf_raw_tp_link_release+0x63/0x90 [ 54.169936][ T561] bpf_link_free+0x13b/0x3b0 [ 54.175121][ T561] ? bpf_link_put_deferred+0x20/0x20 [ 54.180542][ T561] bpf_link_release+0x15f/0x170 [ 54.186161][ T561] ? __cfi_bpf_link_release+0x10/0x10 [ 54.191945][ T561] __fput+0x1fd/0x8f0 [ 54.196246][ T561] ____fput+0x15/0x20 [ 54.200363][ T561] task_work_run+0x1e1/0x250 [ 54.205139][ T561] ? __cfi_task_work_run+0x10/0x10 [ 54.210646][ T561] ? fput+0x15b/0x1a0 [ 54.214687][ T561] exit_to_user_mode_loop+0x9b/0xb0 [ 54.219938][ T561] exit_to_user_mode_prepare+0x87/0xd0 [ 54.226285][ T561] syscall_exit_to_user_mode+0x1a/0x30 [ 54.232056][ T561] do_syscall_64+0x58/0xa0 [ 54.236714][ T561] ? clear_bhb_loop+0x30/0x80 [ 54.241457][ T561] ? clear_bhb_loop+0x30/0x80 [ 54.246207][ T561] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 54.252673][ T561] RIP: 0033:0x7fd398b9a379 [ 54.257137][ T561] 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 [ 54.279159][ T561] RSP: 002b:00007fd399a16028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 54.288090][ T561] RAX: 0000000000000000 RBX: 00007fd398de5fa0 RCX: 00007fd398b9a379 [ 54.296545][ T561] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 54.305202][ T561] RBP: 00007fd399a16090 R08: 0000000000000000 R09: 0000000000000000 [ 54.313512][ T561] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 54.322058][ T561] R13: 00007fd398de6038 R14: 00007fd398de5fa0 R15: 00007ffe915f3498 [ 54.330257][ T561] [ 54.350653][ T563] FAULT_INJECTION: forcing a failure. [ 54.350653][ T563] name failslab, interval 1, probability 0, space 0, times 0 [ 54.364689][ T563] CPU: 0 PID: 563 Comm: syz.4.40 Not tainted syzkaller #0 [ 54.371868][ T563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 54.382314][ T563] Call Trace: [ 54.386158][ T563] [ 54.389339][ T563] __dump_stack+0x21/0x24 [ 54.393813][ T563] dump_stack_lvl+0x110/0x170 [ 54.399382][ T563] ? __cfi_dump_stack_lvl+0x8/0x8 [ 54.404644][ T563] ? unwind_get_return_address+0x4d/0x90 [ 54.410678][ T563] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 54.419048][ T563] dump_stack+0x15/0x24 [ 54.423345][ T563] should_fail_ex+0x3bf/0x510 [ 54.428980][ T563] __should_failslab+0xac/0xf0 [ 54.433876][ T563] should_failslab+0x9/0x20 [ 54.438435][ T563] __kmem_cache_alloc_node+0x3d/0x2d0 [ 54.443957][ T563] ? tracepoint_probe_unregister+0x211/0x8e0 [ 54.450080][ T563] ? __cfi_mutex_lock+0x10/0x10 [ 54.454985][ T563] ? delete_node+0x3df/0xa60 [ 54.459814][ T563] ? tracepoint_probe_unregister+0x211/0x8e0 [ 54.466022][ T563] __kmalloc+0xa4/0x1e0 [ 54.470210][ T563] ? __cfi___bpf_trace_neigh_update+0x10/0x10 [ 54.476544][ T563] tracepoint_probe_unregister+0x211/0x8e0 [ 54.482733][ T563] bpf_probe_unregister+0x61/0x70 [ 54.487888][ T563] bpf_raw_tp_link_release+0x63/0x90 [ 54.493973][ T563] bpf_link_free+0x13b/0x3b0 [ 54.498714][ T563] ? bpf_link_put_deferred+0x20/0x20 [ 54.504056][ T563] bpf_link_release+0x15f/0x170 [ 54.509141][ T563] ? __cfi_bpf_link_release+0x10/0x10 [ 54.515328][ T563] __fput+0x1fd/0x8f0 [ 54.519885][ T563] ____fput+0x15/0x20 [ 54.523985][ T563] task_work_run+0x1e1/0x250 [ 54.528885][ T563] ? __cfi_task_work_run+0x10/0x10 [ 54.534293][ T563] ? fput+0x15b/0x1a0 [ 54.538481][ T563] exit_to_user_mode_loop+0x9b/0xb0 [ 54.543807][ T563] exit_to_user_mode_prepare+0x87/0xd0 [ 54.549577][ T563] syscall_exit_to_user_mode+0x1a/0x30 [ 54.555331][ T563] do_syscall_64+0x58/0xa0 [ 54.559784][ T563] ? clear_bhb_loop+0x30/0x80 [ 54.564495][ T563] ? clear_bhb_loop+0x30/0x80 [ 54.569745][ T563] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 54.575960][ T563] RIP: 0033:0x7f02cff9a379 [ 54.580669][ T563] 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 [ 54.600995][ T563] RSP: 002b:00007f02d0e07028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 54.609520][ T563] RAX: 0000000000000000 RBX: 00007f02d01e5fa0 RCX: 00007f02cff9a379 [ 54.617617][ T563] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 54.626311][ T563] RBP: 00007f02d0e07090 R08: 0000000000000000 R09: 0000000000000000 [ 54.634349][ T563] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 54.642528][ T563] R13: 00007f02d01e6038 R14: 00007f02d01e5fa0 R15: 00007fff8dc3ec88 [ 54.651320][ T563] [ 54.657784][ T572] FAULT_INJECTION: forcing a failure. [ 54.657784][ T572] name failslab, interval 1, probability 0, space 0, times 0 [ 54.676500][ T572] CPU: 1 PID: 572 Comm: syz.5.44 Not tainted syzkaller #0 [ 54.683963][ T572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 54.694791][ T572] Call Trace: [ 54.698618][ T572] [ 54.701599][ T572] __dump_stack+0x21/0x24 [ 54.705975][ T572] dump_stack_lvl+0x110/0x170 [ 54.710863][ T572] ? __cfi_dump_stack_lvl+0x8/0x8 [ 54.716564][ T572] ? call_rcu+0xb84/0xf50 [ 54.721417][ T572] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 54.727830][ T572] dump_stack+0x15/0x24 [ 54.732213][ T572] should_fail_ex+0x3bf/0x510 [ 54.737231][ T572] __should_failslab+0xac/0xf0 [ 54.742484][ T572] should_failslab+0x9/0x20 [ 54.747251][ T572] __kmem_cache_alloc_node+0x3d/0x2d0 [ 54.753105][ T572] ? tracepoint_probe_unregister+0x211/0x8e0 [ 54.759115][ T572] ? __cfi_mutex_lock+0x10/0x10 [ 54.764255][ T572] ? delete_node+0x2a5/0xa60 [ 54.769052][ T572] ? tracepoint_probe_unregister+0x211/0x8e0 [ 54.775155][ T572] __kmalloc+0xa4/0x1e0 [ 54.779545][ T572] ? __cfi___bpf_trace_neigh_update+0x10/0x10 [ 54.785891][ T572] tracepoint_probe_unregister+0x211/0x8e0 [ 54.792373][ T572] bpf_probe_unregister+0x61/0x70 [ 54.797661][ T572] bpf_raw_tp_link_release+0x63/0x90 [ 54.803162][ T572] bpf_link_free+0x13b/0x3b0 [ 54.807864][ T572] ? bpf_link_put_deferred+0x20/0x20 [ 54.813270][ T572] bpf_link_release+0x15f/0x170 [ 54.818140][ T572] ? __cfi_bpf_link_release+0x10/0x10 [ 54.823832][ T572] __fput+0x1fd/0x8f0 [ 54.827861][ T572] ____fput+0x15/0x20 [ 54.831905][ T572] task_work_run+0x1e1/0x250 [ 54.836536][ T572] ? __cfi_task_work_run+0x10/0x10 [ 54.841674][ T572] ? fput+0x15b/0x1a0 [ 54.845799][ T572] exit_to_user_mode_loop+0x9b/0xb0 [ 54.851903][ T572] exit_to_user_mode_prepare+0x87/0xd0 [ 54.857676][ T572] syscall_exit_to_user_mode+0x1a/0x30 [ 54.863655][ T572] do_syscall_64+0x58/0xa0 [ 54.868476][ T572] ? clear_bhb_loop+0x30/0x80 [ 54.873270][ T572] ? clear_bhb_loop+0x30/0x80 [ 54.878062][ T572] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 54.884019][ T572] RIP: 0033:0x7fd398b9a379 [ 54.888825][ T572] 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 [ 54.909847][ T572] RSP: 002b:00007fd399a16028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 54.919148][ T572] RAX: 0000000000000000 RBX: 00007fd398de5fa0 RCX: 00007fd398b9a379 [ 54.927646][ T572] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 54.935736][ T572] RBP: 00007fd399a16090 R08: 0000000000000000 R09: 0000000000000000 [ 54.944091][ T572] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 54.952291][ T572] R13: 00007fd398de6038 R14: 00007fd398de5fa0 R15: 00007ffe915f3498 [ 54.960870][ T572] [ 54.964374][ T573] FAULT_INJECTION: forcing a failure. [ 54.964374][ T573] name failslab, interval 1, probability 0, space 0, times 0 [ 54.977617][ T573] CPU: 0 PID: 573 Comm: syz.6.43 Not tainted syzkaller #0 [ 54.984875][ T573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 54.995585][ T573] Call Trace: [ 54.998904][ T573] [ 55.001867][ T573] __dump_stack+0x21/0x24 [ 55.006265][ T573] dump_stack_lvl+0x110/0x170 [ 55.010991][ T573] ? __cfi_dump_stack_lvl+0x8/0x8 [ 55.016633][ T573] ? unwind_get_return_address+0x4d/0x90 [ 55.022342][ T573] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 55.028996][ T573] dump_stack+0x15/0x24 [ 55.033378][ T573] should_fail_ex+0x3bf/0x510 [ 55.038620][ T573] __should_failslab+0xac/0xf0 [ 55.044074][ T573] should_failslab+0x9/0x20 [ 55.049133][ T573] __kmem_cache_alloc_node+0x3d/0x2d0 [ 55.055262][ T573] ? tracepoint_probe_unregister+0x211/0x8e0 [ 55.061623][ T573] ? __cfi_mutex_lock+0x10/0x10 [ 55.067332][ T573] ? delete_node+0x3df/0xa60 [ 55.072252][ T573] ? tracepoint_probe_unregister+0x211/0x8e0 [ 55.078481][ T573] __kmalloc+0xa4/0x1e0 [ 55.082755][ T573] ? __cfi___bpf_trace_neigh_update+0x10/0x10 [ 55.088873][ T573] tracepoint_probe_unregister+0x211/0x8e0 [ 55.094712][ T573] bpf_probe_unregister+0x61/0x70 [ 55.099882][ T573] bpf_raw_tp_link_release+0x63/0x90 [ 55.105301][ T573] bpf_link_free+0x13b/0x3b0 [ 55.110027][ T573] ? bpf_link_put_deferred+0x20/0x20 [ 55.115377][ T573] bpf_link_release+0x15f/0x170 [ 55.120614][ T573] ? __cfi_bpf_link_release+0x10/0x10 [ 55.126313][ T573] __fput+0x1fd/0x8f0 [ 55.131440][ T573] ____fput+0x15/0x20 [ 55.137660][ T573] task_work_run+0x1e1/0x250 [ 55.142441][ T573] ? __cfi_task_work_run+0x10/0x10 [ 55.147670][ T573] ? fput+0x15b/0x1a0 [ 55.151688][ T573] exit_to_user_mode_loop+0x9b/0xb0 [ 55.157128][ T573] exit_to_user_mode_prepare+0x87/0xd0 [ 55.162987][ T573] syscall_exit_to_user_mode+0x1a/0x30 [ 55.169001][ T573] do_syscall_64+0x58/0xa0 [ 55.174038][ T573] ? clear_bhb_loop+0x30/0x80 [ 55.178951][ T573] ? clear_bhb_loop+0x30/0x80 [ 55.184031][ T573] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 55.190336][ T573] RIP: 0033:0x7ffbe1d9a379 [ 55.195511][ T573] 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 [ 55.216641][ T573] RSP: 002b:00007ffbe2be7028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 55.225931][ T573] RAX: 0000000000000000 RBX: 00007ffbe1fe5fa0 RCX: 00007ffbe1d9a379 [ 55.234118][ T573] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 55.242301][ T573] RBP: 00007ffbe2be7090 R08: 0000000000000000 R09: 0000000000000000 [ 55.250444][ T573] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 55.259237][ T573] R13: 00007ffbe1fe6038 R14: 00007ffbe1fe5fa0 R15: 00007ffe9faa7548 [ 55.267883][ T573] [ 55.273723][ T567] FAULT_INJECTION: forcing a failure. [ 55.273723][ T567] name failslab, interval 1, probability 0, space 0, times 0 [ 55.287633][ T567] CPU: 0 PID: 567 Comm: syz.0.41 Not tainted syzkaller #0 [ 55.294892][ T567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 55.305694][ T567] Call Trace: [ 55.309192][ T567] [ 55.312355][ T567] __dump_stack+0x21/0x24 [ 55.316755][ T567] dump_stack_lvl+0x110/0x170 [ 55.321768][ T567] ? __cfi_dump_stack_lvl+0x8/0x8 [ 55.326933][ T567] ? unwind_get_return_address+0x4d/0x90 [ 55.332886][ T567] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 55.339274][ T567] dump_stack+0x15/0x24 [ 55.343649][ T567] should_fail_ex+0x3bf/0x510 [ 55.348497][ T567] __should_failslab+0xac/0xf0 [ 55.353382][ T567] should_failslab+0x9/0x20 [ 55.357919][ T567] __kmem_cache_alloc_node+0x3d/0x2d0 [ 55.363589][ T567] ? tracepoint_probe_unregister+0x211/0x8e0 [ 55.369881][ T567] ? __cfi_mutex_lock+0x10/0x10 [ 55.374783][ T567] ? delete_node+0x3df/0xa60 [ 55.379681][ T567] ? tracepoint_probe_unregister+0x211/0x8e0 [ 55.387884][ T567] __kmalloc+0xa4/0x1e0 [ 55.393561][ T567] ? __cfi___bpf_trace_neigh_update+0x10/0x10 [ 55.400030][ T567] tracepoint_probe_unregister+0x211/0x8e0 [ 55.406121][ T567] bpf_probe_unregister+0x61/0x70 [ 55.413187][ T567] bpf_raw_tp_link_release+0x63/0x90 [ 55.418800][ T567] bpf_link_free+0x13b/0x3b0 [ 55.424680][ T567] ? bpf_link_put_deferred+0x20/0x20 [ 55.431385][ T567] bpf_link_release+0x15f/0x170 [ 55.437325][ T567] ? __cfi_bpf_link_release+0x10/0x10 [ 55.443195][ T567] __fput+0x1fd/0x8f0 [ 55.447601][ T567] ____fput+0x15/0x20 [ 55.452047][ T567] task_work_run+0x1e1/0x250 [ 55.456971][ T567] ? __cfi_task_work_run+0x10/0x10 [ 55.462804][ T567] ? fput+0x15b/0x1a0 [ 55.467153][ T567] exit_to_user_mode_loop+0x9b/0xb0 [ 55.473092][ T567] exit_to_user_mode_prepare+0x87/0xd0 [ 55.479023][ T567] syscall_exit_to_user_mode+0x1a/0x30 [ 55.485724][ T567] do_syscall_64+0x58/0xa0 [ 55.490608][ T567] ? clear_bhb_loop+0x30/0x80 [ 55.495591][ T567] ? clear_bhb_loop+0x30/0x80 [ 55.500387][ T567] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 55.506366][ T567] RIP: 0033:0x7faffcb9a379 [ 55.511076][ T567] 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 [ 55.532591][ T567] RSP: 002b:00007faffd9c5028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 55.541390][ T567] RAX: 0000000000000000 RBX: 00007faffcde5fa0 RCX: 00007faffcb9a379 2026/09/16 09:23:19 executed programs: 40 [ 55.550966][ T567] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 55.559702][ T567] RBP: 00007faffd9c5090 R08: 0000000000000000 R09: 0000000000000000 [ 55.568667][ T567] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 55.577807][ T567] R13: 00007faffcde6038 R14: 00007faffcde5fa0 R15: 00007ffe63c2a9d8 [ 55.585993][ T567] [ 55.589815][ T581] FAULT_INJECTION: forcing a failure. [ 55.589815][ T581] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 55.605532][ T578] FAULT_INJECTION: forcing a failure. [ 55.605532][ T578] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 55.618968][ T584] FAULT_INJECTION: forcing a failure. [ 55.618968][ T584] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 55.633821][ T581] CPU: 0 PID: 581 Comm: syz.5.46 Not tainted syzkaller #0 [ 55.641781][ T581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 55.652655][ T581] Call Trace: [ 55.656231][ T581] [ 55.659299][ T581] __dump_stack+0x21/0x24 [ 55.663786][ T581] dump_stack_lvl+0x110/0x170 [ 55.669053][ T581] ? __cfi_dump_stack_lvl+0x8/0x8 [ 55.675107][ T581] dump_stack+0x15/0x24 [ 55.679753][ T581] should_fail_ex+0x3bf/0x510 [ 55.685000][ T581] should_fail+0xb/0x10 [ 55.690077][ T581] should_fail_usercopy+0x1a/0x20 [ 55.695505][ T581] _copy_to_user+0x1e/0x90 [ 55.700262][ T581] simple_read_from_buffer+0xe9/0x160 [ 55.707020][ T581] proc_fail_nth_read+0x1a6/0x220 [ 55.712293][ T581] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 55.718158][ T581] ? security_file_permission+0x94/0xb0 [ 55.723750][ T581] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 55.729696][ T581] vfs_read+0x286/0x930 [ 55.734055][ T581] ? __cfi_vfs_read+0x10/0x10 [ 55.739111][ T581] ? __kasan_check_write+0x14/0x20 [ 55.744471][ T581] ? mutex_lock+0x93/0x1b0 [ 55.749052][ T581] ? __cfi_mutex_lock+0x10/0x10 [ 55.754035][ T581] ? __fdget_pos+0x2cd/0x380 [ 55.758749][ T581] ? ksys_read+0x70/0x260 [ 55.763708][ T581] ksys_read+0x14a/0x260 [ 55.768117][ T581] ? __cfi_ksys_read+0x10/0x10 [ 55.773173][ T581] ? debug_smp_processor_id+0x17/0x20 [ 55.778610][ T581] __x64_sys_read+0x7b/0x90 [ 55.783309][ T581] x64_sys_call+0x2f/0x9a0 [ 55.787838][ T581] do_syscall_64+0x4c/0xa0 [ 55.792744][ T581] ? clear_bhb_loop+0x30/0x80 [ 55.798381][ T581] ? clear_bhb_loop+0x30/0x80 [ 55.803453][ T581] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 55.809374][ T581] RIP: 0033:0x7fd398b5ac4e [ 55.813813][ T581] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 55.835102][ T581] RSP: 002b:00007fd3999f4fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 55.845415][ T581] RAX: ffffffffffffffda RBX: 00007fd3999f56c0 RCX: 00007fd398b5ac4e [ 55.853950][ T581] RDX: 000000000000000f RSI: 00007fd3999f50a0 RDI: 0000000000000006 [ 55.862611][ T581] RBP: 00007fd3999f5090 R08: 0000000000000000 R09: 0000000000000000 [ 55.870876][ T581] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 55.878868][ T581] R13: 00007fd398de6128 R14: 00007fd398de6090 R15: 00007ffe915f3498 [ 55.887671][ T581] [ 55.890984][ T584] CPU: 1 PID: 584 Comm: syz.6.47 Not tainted syzkaller #0 [ 55.898235][ T584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 55.909025][ T584] Call Trace: [ 55.912447][ T584] [ 55.915510][ T584] __dump_stack+0x21/0x24 [ 55.920055][ T584] dump_stack_lvl+0x110/0x170 [ 55.925279][ T584] ? __cfi_dump_stack_lvl+0x8/0x8 [ 55.931144][ T584] dump_stack+0x15/0x24 [ 55.935441][ T584] should_fail_ex+0x3bf/0x510 [ 55.940679][ T584] should_fail+0xb/0x10 [ 55.944950][ T584] should_fail_usercopy+0x1a/0x20 [ 55.950519][ T584] _copy_to_user+0x1e/0x90 [ 55.955406][ T584] simple_read_from_buffer+0xe9/0x160 [ 55.961121][ T584] proc_fail_nth_read+0x1a6/0x220 [ 55.966896][ T584] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 55.973748][ T584] ? security_file_permission+0x94/0xb0 [ 55.979791][ T584] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 55.985566][ T584] vfs_read+0x286/0x930 [ 55.990796][ T584] ? __cfi_vfs_read+0x10/0x10 [ 55.995587][ T584] ? __kasan_check_write+0x14/0x20 [ 56.000726][ T584] ? mutex_lock+0x93/0x1b0 [ 56.005166][ T584] ? __cfi_mutex_lock+0x10/0x10 [ 56.010215][ T584] ? __fdget_pos+0x2cd/0x380 [ 56.015183][ T584] ? ksys_read+0x70/0x260 [ 56.019731][ T584] ksys_read+0x14a/0x260 [ 56.024246][ T584] ? __cfi_ksys_read+0x10/0x10 [ 56.029149][ T584] ? debug_smp_processor_id+0x17/0x20 [ 56.034730][ T584] __x64_sys_read+0x7b/0x90 [ 56.039519][ T584] x64_sys_call+0x2f/0x9a0 [ 56.044133][ T584] do_syscall_64+0x4c/0xa0 [ 56.048668][ T584] ? clear_bhb_loop+0x30/0x80 [ 56.053890][ T584] ? clear_bhb_loop+0x30/0x80 [ 56.058705][ T584] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 56.064715][ T584] RIP: 0033:0x7ffbe1d5ac4e [ 56.069807][ T584] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 56.089636][ T584] RSP: 002b:00007ffbe2bc5fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 56.098207][ T584] RAX: ffffffffffffffda RBX: 00007ffbe2bc66c0 RCX: 00007ffbe1d5ac4e [ 56.106382][ T584] RDX: 000000000000000f RSI: 00007ffbe2bc60a0 RDI: 0000000000000004 [ 56.114552][ T584] RBP: 00007ffbe2bc6090 R08: 0000000000000000 R09: 0000000000000000 [ 56.122726][ T584] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 56.131245][ T584] R13: 00007ffbe1fe6128 R14: 00007ffbe1fe6090 R15: 00007ffe9faa7548 [ 56.139280][ T584] [ 56.145463][ T578] CPU: 0 PID: 578 Comm: syz.4.45 Not tainted syzkaller #0 [ 56.153950][ T578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 56.165179][ T578] Call Trace: [ 56.168500][ T578] [ 56.171693][ T578] __dump_stack+0x21/0x24 [ 56.176163][ T578] dump_stack_lvl+0x110/0x170 [ 56.181114][ T578] ? __cfi_dump_stack_lvl+0x8/0x8 [ 56.186731][ T578] dump_stack+0x15/0x24 [ 56.191643][ T578] should_fail_ex+0x3bf/0x510 [ 56.197420][ T578] should_fail+0xb/0x10 [ 56.203885][ T578] should_fail_usercopy+0x1a/0x20 [ 56.210490][ T578] _copy_to_user+0x1e/0x90 [ 56.215328][ T578] simple_read_from_buffer+0xe9/0x160 [ 56.221352][ T578] proc_fail_nth_read+0x1a6/0x220 [ 56.226681][ T578] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 56.232875][ T578] ? security_file_permission+0x94/0xb0 [ 56.238823][ T578] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 56.244566][ T578] vfs_read+0x286/0x930 [ 56.248929][ T578] ? __cfi_vfs_read+0x10/0x10 [ 56.253749][ T578] ? __kasan_check_write+0x14/0x20 [ 56.259153][ T578] ? mutex_lock+0x93/0x1b0 [ 56.263688][ T578] ? __cfi_mutex_lock+0x10/0x10 [ 56.268646][ T578] ? __fdget_pos+0x2cd/0x380 [ 56.273350][ T578] ? ksys_read+0x70/0x260 [ 56.278163][ T578] ksys_read+0x14a/0x260 [ 56.282462][ T578] ? __cfi_ksys_read+0x10/0x10 [ 56.287350][ T578] ? debug_smp_processor_id+0x17/0x20 [ 56.293211][ T578] __x64_sys_read+0x7b/0x90 [ 56.298206][ T578] x64_sys_call+0x2f/0x9a0 [ 56.302869][ T578] do_syscall_64+0x4c/0xa0 [ 56.307721][ T578] ? clear_bhb_loop+0x30/0x80 [ 56.312655][ T578] ? clear_bhb_loop+0x30/0x80 [ 56.317454][ T578] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 56.323473][ T578] RIP: 0033:0x7f02cff5ac4e [ 56.328272][ T578] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 56.351279][ T578] RSP: 002b:00007f02d0de5fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 56.360507][ T578] RAX: ffffffffffffffda RBX: 00007f02d0de66c0 RCX: 00007f02cff5ac4e [ 56.368709][ T578] RDX: 000000000000000f RSI: 00007f02d0de60a0 RDI: 0000000000000006 [ 56.377189][ T578] RBP: 00007f02d0de6090 R08: 0000000000000000 R09: 0000000000000000 [ 56.385964][ T578] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 56.394523][ T578] R13: 00007f02d01e6128 R14: 00007f02d01e6090 R15: 00007fff8dc3ec88 [ 56.402802][ T578] [ 56.419269][ T583] FAULT_INJECTION: forcing a failure. [ 56.419269][ T583] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 56.448863][ T583] CPU: 1 PID: 583 Comm: syz.0.48 Not tainted syzkaller #0 [ 56.457510][ T583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 56.468575][ T583] Call Trace: [ 56.472026][ T583] [ 56.475424][ T583] __dump_stack+0x21/0x24 [ 56.480133][ T583] dump_stack_lvl+0x110/0x170 [ 56.485282][ T583] ? __cfi_dump_stack_lvl+0x8/0x8 [ 56.491307][ T583] dump_stack+0x15/0x24 [ 56.495622][ T583] should_fail_ex+0x3bf/0x510 [ 56.500972][ T583] should_fail+0xb/0x10 [ 56.505524][ T583] should_fail_usercopy+0x1a/0x20 [ 56.510776][ T583] _copy_to_user+0x1e/0x90 [ 56.515245][ T583] simple_read_from_buffer+0xe9/0x160 [ 56.520930][ T583] proc_fail_nth_read+0x1a6/0x220 [ 56.526451][ T583] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 56.532034][ T583] ? security_file_permission+0x94/0xb0 [ 56.537911][ T583] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 56.544014][ T583] vfs_read+0x286/0x930 [ 56.548415][ T583] ? __cfi_vfs_read+0x10/0x10 [ 56.553461][ T583] ? __kasan_check_write+0x14/0x20 [ 56.558779][ T583] ? mutex_lock+0x93/0x1b0 [ 56.563404][ T583] ? __cfi_mutex_lock+0x10/0x10 [ 56.568633][ T583] ? __fdget_pos+0x2cd/0x380 [ 56.574227][ T583] ? ksys_read+0x70/0x260 [ 56.578592][ T583] ksys_read+0x14a/0x260 [ 56.582872][ T583] ? __cfi_ksys_read+0x10/0x10 [ 56.587668][ T583] ? debug_smp_processor_id+0x17/0x20 [ 56.593345][ T583] __x64_sys_read+0x7b/0x90 [ 56.597877][ T583] x64_sys_call+0x2f/0x9a0 [ 56.602324][ T583] do_syscall_64+0x4c/0xa0 [ 56.606951][ T583] ? clear_bhb_loop+0x30/0x80 [ 56.611656][ T583] ? clear_bhb_loop+0x30/0x80 [ 56.616532][ T583] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 56.622446][ T583] RIP: 0033:0x7faffcb5ac4e [ 56.627068][ T583] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 56.648354][ T583] RSP: 002b:00007faffd9c4fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 56.657245][ T583] RAX: ffffffffffffffda RBX: 00007faffd9c56c0 RCX: 00007faffcb5ac4e [ 56.666181][ T583] RDX: 000000000000000f RSI: 00007faffd9c50a0 RDI: 0000000000000005 [ 56.676049][ T583] RBP: 00007faffd9c5090 R08: 0000000000000000 R09: 0000000000000000 [ 56.685551][ T583] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 56.694394][ T583] R13: 00007faffcde6038 R14: 00007faffcde5fa0 R15: 00007ffe63c2a9d8 [ 56.702752][ T583] [ 56.721035][ T587] FAULT_INJECTION: forcing a failure. [ 56.721035][ T587] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 56.734951][ T587] CPU: 1 PID: 587 Comm: syz.6.50 Not tainted syzkaller #0 [ 56.742670][ T587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 56.752942][ T587] Call Trace: [ 56.756584][ T587] [ 56.759879][ T587] __dump_stack+0x21/0x24 [ 56.764461][ T587] dump_stack_lvl+0x110/0x170 [ 56.769280][ T587] ? __cfi_dump_stack_lvl+0x8/0x8 [ 56.774612][ T587] dump_stack+0x15/0x24 [ 56.778938][ T587] should_fail_ex+0x3bf/0x510 [ 56.783733][ T587] should_fail+0xb/0x10 [ 56.788388][ T587] should_fail_usercopy+0x1a/0x20 [ 56.793564][ T587] _copy_to_user+0x1e/0x90 [ 56.798578][ T587] simple_read_from_buffer+0xe9/0x160 [ 56.804263][ T587] proc_fail_nth_read+0x1a6/0x220 [ 56.810105][ T587] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 56.816028][ T587] ? security_file_permission+0x94/0xb0 [ 56.821803][ T587] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 56.828457][ T587] vfs_read+0x286/0x930 [ 56.832814][ T587] ? __cfi_vfs_read+0x10/0x10 [ 56.837511][ T587] ? __kasan_check_write+0x14/0x20 [ 56.842687][ T587] ? mutex_lock+0x93/0x1b0 [ 56.847521][ T587] ? __cfi_mutex_lock+0x10/0x10 [ 56.853111][ T587] ? __fdget_pos+0x2cd/0x380 [ 56.857989][ T587] ? ksys_read+0x70/0x260 [ 56.862512][ T587] ksys_read+0x14a/0x260 [ 56.866794][ T587] ? __cfi_ksys_read+0x10/0x10 [ 56.871762][ T587] ? fput+0x15b/0x1a0 [ 56.876142][ T587] ? debug_smp_processor_id+0x17/0x20 [ 56.881663][ T587] __x64_sys_read+0x7b/0x90 [ 56.886375][ T587] x64_sys_call+0x2f/0x9a0 [ 56.890909][ T587] do_syscall_64+0x4c/0xa0 [ 56.895476][ T587] ? clear_bhb_loop+0x30/0x80 [ 56.900474][ T587] ? clear_bhb_loop+0x30/0x80 [ 56.906909][ T587] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 56.913589][ T587] RIP: 0033:0x7ffbe1d5ac4e [ 56.918697][ T587] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 56.940158][ T587] RSP: 002b:00007ffbe2be6fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 56.948944][ T587] RAX: ffffffffffffffda RBX: 00007ffbe2be76c0 RCX: 00007ffbe1d5ac4e [ 56.957106][ T587] RDX: 000000000000000f RSI: 00007ffbe2be70a0 RDI: 0000000000000006 [ 56.965461][ T587] RBP: 00007ffbe2be7090 R08: 0000000000000000 R09: 0000000000000000 [ 56.973530][ T587] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 56.981947][ T587] R13: 00007ffbe1fe6038 R14: 00007ffbe1fe5fa0 R15: 00007ffe9faa7548 [ 56.990280][ T587] [ 56.995390][ T589] FAULT_INJECTION: forcing a failure. [ 56.995390][ T589] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 57.009465][ T589] CPU: 0 PID: 589 Comm: syz.4.51 Not tainted syzkaller #0 [ 57.016849][ T589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 57.027989][ T589] Call Trace: [ 57.031405][ T589] [ 57.034466][ T589] __dump_stack+0x21/0x24 [ 57.038960][ T589] dump_stack_lvl+0x110/0x170 [ 57.044931][ T589] ? __cfi_dump_stack_lvl+0x8/0x8 [ 57.050518][ T589] dump_stack+0x15/0x24 [ 57.055348][ T589] should_fail_ex+0x3bf/0x510 [ 57.060196][ T589] should_fail+0xb/0x10 [ 57.064407][ T589] should_fail_usercopy+0x1a/0x20 [ 57.070089][ T589] _copy_to_user+0x1e/0x90 [ 57.075440][ T589] simple_read_from_buffer+0xe9/0x160 [ 57.080943][ T589] proc_fail_nth_read+0x1a6/0x220 [ 57.086620][ T589] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 57.092992][ T589] ? security_file_permission+0x94/0xb0 [ 57.098998][ T589] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 57.105816][ T589] vfs_read+0x286/0x930 [ 57.110019][ T589] ? __cfi_vfs_read+0x10/0x10 [ 57.114727][ T589] ? __kasan_check_write+0x14/0x20 [ 57.120393][ T589] ? mutex_lock+0x93/0x1b0 [ 57.125100][ T589] ? __cfi_mutex_lock+0x10/0x10 [ 57.130093][ T589] ? __fdget_pos+0x2cd/0x380 [ 57.134831][ T589] ? ksys_read+0x70/0x260 [ 57.139444][ T589] ksys_read+0x14a/0x260 [ 57.144544][ T589] ? __cfi_ksys_read+0x10/0x10 [ 57.149351][ T589] ? fput+0x15b/0x1a0 [ 57.153447][ T589] ? debug_smp_processor_id+0x17/0x20 [ 57.159325][ T589] __x64_sys_read+0x7b/0x90 [ 57.164669][ T589] x64_sys_call+0x2f/0x9a0 [ 57.169121][ T589] do_syscall_64+0x4c/0xa0 [ 57.174366][ T589] ? clear_bhb_loop+0x30/0x80 [ 57.179991][ T589] ? clear_bhb_loop+0x30/0x80 [ 57.186122][ T589] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 57.192779][ T589] RIP: 0033:0x7f02cff5ac4e [ 57.197600][ T589] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 57.220201][ T589] RSP: 002b:00007f02d0e06fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 57.229702][ T589] RAX: ffffffffffffffda RBX: 00007f02d0e076c0 RCX: 00007f02cff5ac4e [ 57.239780][ T589] RDX: 000000000000000f RSI: 00007f02d0e070a0 RDI: 0000000000000006 [ 57.247956][ T589] RBP: 00007f02d0e07090 R08: 0000000000000000 R09: 0000000000000000 [ 57.256478][ T589] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 57.264738][ T589] R13: 00007f02d01e6038 R14: 00007f02d01e5fa0 R15: 00007fff8dc3ec88 [ 57.270863][ T598] FAULT_INJECTION: forcing a failure. [ 57.270863][ T598] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 57.272849][ T589] [ 57.290787][ T599] FAULT_INJECTION: forcing a failure. [ 57.290787][ T599] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 57.295731][ T600] FAULT_INJECTION: forcing a failure. [ 57.295731][ T600] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 57.320618][ T599] CPU: 1 PID: 599 Comm: syz.0.52 Not tainted syzkaller #0 [ 57.328784][ T599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 57.339318][ T599] Call Trace: [ 57.342723][ T599] [ 57.346035][ T599] __dump_stack+0x21/0x24 [ 57.350588][ T599] dump_stack_lvl+0x110/0x170 [ 57.355612][ T599] ? __cfi_dump_stack_lvl+0x8/0x8 [ 57.361333][ T599] dump_stack+0x15/0x24 [ 57.365669][ T599] should_fail_ex+0x3bf/0x510 [ 57.370472][ T599] should_fail+0xb/0x10 [ 57.374841][ T599] should_fail_usercopy+0x1a/0x20 [ 57.380279][ T599] _copy_to_user+0x1e/0x90 [ 57.385012][ T599] simple_read_from_buffer+0xe9/0x160 [ 57.390869][ T599] proc_fail_nth_read+0x1a6/0x220 [ 57.396134][ T599] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 57.401757][ T599] ? security_file_permission+0x94/0xb0 [ 57.407998][ T599] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 57.413887][ T599] vfs_read+0x286/0x930 [ 57.418448][ T599] ? __cfi_vfs_read+0x10/0x10 [ 57.423556][ T599] ? __kasan_check_write+0x14/0x20 [ 57.428805][ T599] ? mutex_lock+0x93/0x1b0 [ 57.434135][ T599] ? __cfi_mutex_lock+0x10/0x10 [ 57.439406][ T599] ? __fdget_pos+0x2cd/0x380 [ 57.444496][ T599] ? ksys_read+0x70/0x260 [ 57.449209][ T599] ksys_read+0x14a/0x260 [ 57.453878][ T599] ? __cfi_ksys_read+0x10/0x10 [ 57.458792][ T599] ? debug_smp_processor_id+0x17/0x20 [ 57.464646][ T599] __x64_sys_read+0x7b/0x90 [ 57.469293][ T599] x64_sys_call+0x2f/0x9a0 [ 57.473863][ T599] do_syscall_64+0x4c/0xa0 [ 57.478854][ T599] ? clear_bhb_loop+0x30/0x80 [ 57.483851][ T599] ? clear_bhb_loop+0x30/0x80 [ 57.489510][ T599] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 57.495814][ T599] RIP: 0033:0x7faffcb5ac4e [ 57.500278][ T599] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 57.521745][ T599] RSP: 002b:00007faffd9a3fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 57.530978][ T599] RAX: ffffffffffffffda RBX: 00007faffd9a46c0 RCX: 00007faffcb5ac4e [ 57.539811][ T599] RDX: 000000000000000f RSI: 00007faffd9a40a0 RDI: 0000000000000006 [ 57.548344][ T599] RBP: 00007faffd9a4090 R08: 0000000000000000 R09: 0000000000000000 [ 57.559183][ T599] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 57.568208][ T599] R13: 00007faffcde6128 R14: 00007faffcde6090 R15: 00007ffe63c2a9d8 [ 57.576399][ T599] [ 57.581808][ T598] CPU: 0 PID: 598 Comm: syz.5.53 Not tainted syzkaller #0 [ 57.589472][ T598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 57.600700][ T598] Call Trace: [ 57.604463][ T598] [ 57.607468][ T598] __dump_stack+0x21/0x24 [ 57.612060][ T598] dump_stack_lvl+0x110/0x170 [ 57.616965][ T598] ? __cfi_dump_stack_lvl+0x8/0x8 [ 57.622253][ T598] dump_stack+0x15/0x24 [ 57.626790][ T598] should_fail_ex+0x3bf/0x510 [ 57.631752][ T598] should_fail+0xb/0x10 [ 57.636005][ T598] should_fail_usercopy+0x1a/0x20 [ 57.641315][ T598] _copy_to_user+0x1e/0x90 [ 57.645885][ T598] simple_read_from_buffer+0xe9/0x160 [ 57.651821][ T598] proc_fail_nth_read+0x1a6/0x220 [ 57.656958][ T598] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 57.662715][ T598] ? security_file_permission+0x94/0xb0 [ 57.669457][ T598] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 57.675717][ T598] vfs_read+0x286/0x930 [ 57.680798][ T598] ? __cfi_vfs_read+0x10/0x10 [ 57.685941][ T598] ? __kasan_check_write+0x14/0x20 [ 57.692560][ T598] ? mutex_lock+0x93/0x1b0 [ 57.697453][ T598] ? __cfi_mutex_lock+0x10/0x10 [ 57.703109][ T598] ? __fdget_pos+0x2cd/0x380 [ 57.708807][ T598] ? ksys_read+0x70/0x260 [ 57.713418][ T598] ksys_read+0x14a/0x260 [ 57.717957][ T598] ? __cfi_ksys_read+0x10/0x10 [ 57.722861][ T598] ? debug_smp_processor_id+0x17/0x20 [ 57.728411][ T598] __x64_sys_read+0x7b/0x90 [ 57.733068][ T598] x64_sys_call+0x2f/0x9a0 [ 57.737693][ T598] do_syscall_64+0x4c/0xa0 [ 57.742230][ T598] ? clear_bhb_loop+0x30/0x80 [ 57.747823][ T598] ? clear_bhb_loop+0x30/0x80 [ 57.752723][ T598] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 57.759131][ T598] RIP: 0033:0x7fd398b5ac4e [ 57.763770][ T598] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 57.783860][ T598] RSP: 002b:00007fd3999f4fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 57.792752][ T598] RAX: ffffffffffffffda RBX: 00007fd3999f56c0 RCX: 00007fd398b5ac4e [ 57.800933][ T598] RDX: 000000000000000f RSI: 00007fd3999f50a0 RDI: 0000000000000006 [ 57.810072][ T598] RBP: 00007fd3999f5090 R08: 0000000000000000 R09: 0000000000000000 [ 57.818534][ T598] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 57.826656][ T598] R13: 00007fd398de6128 R14: 00007fd398de6090 R15: 00007ffe915f3498 [ 57.835806][ T598] [ 57.840640][ T601] FAULT_INJECTION: forcing a failure. [ 57.840640][ T601] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 57.844394][ T600] CPU: 0 PID: 600 Comm: syz.3.49 Not tainted syzkaller #0 [ 57.865286][ T600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 57.875906][ T600] Call Trace: [ 57.879235][ T600] [ 57.882394][ T600] __dump_stack+0x21/0x24 [ 57.887148][ T600] dump_stack_lvl+0x110/0x170 [ 57.892062][ T600] ? __cfi_dump_stack_lvl+0x8/0x8 [ 57.897463][ T600] dump_stack+0x15/0x24 [ 57.901777][ T600] should_fail_ex+0x3bf/0x510 [ 57.906950][ T600] should_fail+0xb/0x10 [ 57.911592][ T600] should_fail_usercopy+0x1a/0x20 [ 57.916680][ T600] _copy_to_user+0x1e/0x90 [ 57.921169][ T600] simple_read_from_buffer+0xe9/0x160 [ 57.926690][ T600] proc_fail_nth_read+0x1a6/0x220 [ 57.932993][ T600] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 57.939122][ T600] ? security_file_permission+0x94/0xb0 [ 57.945388][ T600] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 57.951591][ T600] vfs_read+0x286/0x930 [ 57.956252][ T600] ? __cfi_vfs_read+0x10/0x10 [ 57.961381][ T600] ? __kasan_check_write+0x14/0x20 [ 57.967370][ T600] ? mutex_lock+0x93/0x1b0 [ 57.971973][ T600] ? __cfi_mutex_lock+0x10/0x10 [ 57.977139][ T600] ? __fdget_pos+0x2cd/0x380 [ 57.981925][ T600] ? ksys_read+0x70/0x260 [ 57.986782][ T600] ksys_read+0x14a/0x260 [ 57.991449][ T600] ? __cfi_ksys_read+0x10/0x10 [ 57.996804][ T600] ? debug_smp_processor_id+0x17/0x20 [ 58.002356][ T600] __x64_sys_read+0x7b/0x90 [ 58.006992][ T600] x64_sys_call+0x2f/0x9a0 [ 58.011546][ T600] do_syscall_64+0x4c/0xa0 [ 58.016013][ T600] ? clear_bhb_loop+0x30/0x80 [ 58.021166][ T600] ? clear_bhb_loop+0x30/0x80 [ 58.025975][ T600] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 58.032073][ T600] RIP: 0033:0x7f611b95ac4e [ 58.036866][ T600] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 58.057727][ T600] RSP: 002b:00007f611c88afe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 58.066480][ T600] RAX: ffffffffffffffda RBX: 00007f611c88b6c0 RCX: 00007f611b95ac4e [ 58.074766][ T600] RDX: 000000000000000f RSI: 00007f611c88b0a0 RDI: 0000000000000006 [ 58.083480][ T600] RBP: 00007f611c88b090 R08: 0000000000000000 R09: 0000000000000000 [ 58.091496][ T600] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 58.099776][ T600] R13: 00007f611bbe6128 R14: 00007f611bbe6090 R15: 00007ffd27cf0198 [ 58.108064][ T600] [ 58.111145][ T601] CPU: 1 PID: 601 Comm: syz.6.54 Not tainted syzkaller #0 [ 58.118489][ T601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 58.129466][ T601] Call Trace: [ 58.132962][ T601] [ 58.136026][ T601] __dump_stack+0x21/0x24 [ 58.140946][ T601] dump_stack_lvl+0x110/0x170 [ 58.146132][ T601] ? __cfi_dump_stack_lvl+0x8/0x8 [ 58.151307][ T601] dump_stack+0x15/0x24 [ 58.155614][ T601] should_fail_ex+0x3bf/0x510 [ 58.161002][ T601] should_fail+0xb/0x10 [ 58.166119][ T601] should_fail_usercopy+0x1a/0x20 [ 58.171575][ T601] _copy_to_user+0x1e/0x90 [ 58.176245][ T601] simple_read_from_buffer+0xe9/0x160 [ 58.181749][ T601] proc_fail_nth_read+0x1a6/0x220 [ 58.186955][ T601] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 58.192754][ T601] ? security_file_permission+0x94/0xb0 [ 58.198433][ T601] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 58.204395][ T601] vfs_read+0x286/0x930 [ 58.209323][ T601] ? __cfi_vfs_read+0x10/0x10 [ 58.214606][ T601] ? __kasan_check_write+0x14/0x20 [ 58.219788][ T601] ? mutex_lock+0x93/0x1b0 [ 58.224625][ T601] ? __cfi_mutex_lock+0x10/0x10 [ 58.229782][ T601] ? __fdget_pos+0x2cd/0x380 [ 58.234679][ T601] ? ksys_read+0x70/0x260 [ 58.239285][ T601] ksys_read+0x14a/0x260 [ 58.243832][ T601] ? __cfi_ksys_read+0x10/0x10 [ 58.248718][ T601] ? debug_smp_processor_id+0x17/0x20 [ 58.254422][ T601] __x64_sys_read+0x7b/0x90 [ 58.258960][ T601] x64_sys_call+0x2f/0x9a0 [ 58.263662][ T601] do_syscall_64+0x4c/0xa0 [ 58.268169][ T601] ? clear_bhb_loop+0x30/0x80 [ 58.272894][ T601] ? clear_bhb_loop+0x30/0x80 [ 58.277697][ T601] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 58.283752][ T601] RIP: 0033:0x7ffbe1d5ac4e [ 58.288465][ T601] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 58.308712][ T601] RSP: 002b:00007ffbe2bc5fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 58.317359][ T601] RAX: ffffffffffffffda RBX: 00007ffbe2bc66c0 RCX: 00007ffbe1d5ac4e [ 58.325798][ T601] RDX: 000000000000000f RSI: 00007ffbe2bc60a0 RDI: 0000000000000006 [ 58.334051][ T601] RBP: 00007ffbe2bc6090 R08: 0000000000000000 R09: 0000000000000000 [ 58.342485][ T601] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 58.350962][ T601] R13: 00007ffbe1fe6128 R14: 00007ffbe1fe6090 R15: 00007ffe9faa7548 [ 58.359048][ T601] [ 58.368968][ T605] FAULT_INJECTION: forcing a failure. [ 58.368968][ T605] name failslab, interval 1, probability 0, space 0, times 0 [ 58.385882][ T605] CPU: 0 PID: 605 Comm: syz.3.56 Not tainted syzkaller #0 [ 58.393346][ T605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 58.403640][ T605] Call Trace: [ 58.406975][ T605] [ 58.410157][ T605] __dump_stack+0x21/0x24 [ 58.414564][ T605] dump_stack_lvl+0x110/0x170 [ 58.419397][ T605] ? __cfi_dump_stack_lvl+0x8/0x8 [ 58.424462][ T605] ? unwind_get_return_address+0x4d/0x90 [ 58.430352][ T605] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 58.436844][ T605] dump_stack+0x15/0x24 [ 58.441327][ T605] should_fail_ex+0x3bf/0x510 [ 58.446024][ T605] __should_failslab+0xac/0xf0 [ 58.451049][ T605] should_failslab+0x9/0x20 [ 58.455698][ T605] __kmem_cache_alloc_node+0x3d/0x2d0 [ 58.461323][ T605] ? tracepoint_probe_unregister+0x211/0x8e0 [ 58.467356][ T605] ? __cfi_mutex_lock+0x10/0x10 [ 58.472241][ T605] ? delete_node+0x3e9/0xa60 [ 58.476991][ T605] ? tracepoint_probe_unregister+0x211/0x8e0 [ 58.483283][ T605] __kmalloc+0xa4/0x1e0 [ 58.487896][ T605] ? __cfi___bpf_trace_neigh_update+0x10/0x10 [ 58.494500][ T605] tracepoint_probe_unregister+0x211/0x8e0 [ 58.500707][ T605] bpf_probe_unregister+0x61/0x70 [ 58.506202][ T605] bpf_raw_tp_link_release+0x63/0x90 [ 58.512465][ T605] bpf_link_free+0x13b/0x3b0 [ 58.517740][ T605] ? bpf_link_put_deferred+0x20/0x20 [ 58.523444][ T605] bpf_link_release+0x15f/0x170 [ 58.528742][ T605] ? __cfi_bpf_link_release+0x10/0x10 [ 58.534936][ T605] __fput+0x1fd/0x8f0 [ 58.539167][ T605] ____fput+0x15/0x20 [ 58.543557][ T605] task_work_run+0x1e1/0x250 [ 58.549071][ T605] ? __cfi_task_work_run+0x10/0x10 [ 58.554506][ T605] ? fput+0x15b/0x1a0 [ 58.558544][ T605] exit_to_user_mode_loop+0x9b/0xb0 [ 58.564341][ T605] exit_to_user_mode_prepare+0x87/0xd0 [ 58.570147][ T605] syscall_exit_to_user_mode+0x1a/0x30 [ 58.575677][ T605] do_syscall_64+0x58/0xa0 [ 58.580230][ T605] ? clear_bhb_loop+0x30/0x80 [ 58.585110][ T605] ? clear_bhb_loop+0x30/0x80 [ 58.589844][ T605] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 58.596216][ T605] RIP: 0033:0x7f611b99a379 [ 58.601099][ T605] 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 [ 58.621238][ T605] RSP: 002b:00007f611c8ac028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 58.630277][ T605] RAX: 0000000000000000 RBX: 00007f611bbe5fa0 RCX: 00007f611b99a379 [ 58.639643][ T605] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 58.647983][ T605] RBP: 00007f611c8ac090 R08: 0000000000000000 R09: 0000000000000000 [ 58.656896][ T605] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 58.665348][ T605] R13: 00007f611bbe6038 R14: 00007f611bbe5fa0 R15: 00007ffd27cf0198 [ 58.673528][ T605] [ 58.679483][ T603] FAULT_INJECTION: forcing a failure. [ 58.679483][ T603] name failslab, interval 1, probability 0, space 0, times 0 [ 58.694315][ T603] CPU: 1 PID: 603 Comm: syz.4.55 Not tainted syzkaller #0 [ 58.702885][ T603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 58.713592][ T603] Call Trace: [ 58.717091][ T603] [ 58.720179][ T603] __dump_stack+0x21/0x24 [ 58.724836][ T603] dump_stack_lvl+0x110/0x170 [ 58.729644][ T603] ? __cfi_dump_stack_lvl+0x8/0x8 [ 58.735085][ T603] ? unwind_get_return_address+0x4d/0x90 [ 58.741033][ T603] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 58.747745][ T603] dump_stack+0x15/0x24 [ 58.752038][ T603] should_fail_ex+0x3bf/0x510 [ 58.757256][ T603] __should_failslab+0xac/0xf0 [ 58.762716][ T603] should_failslab+0x9/0x20 [ 58.767344][ T603] __kmem_cache_alloc_node+0x3d/0x2d0 [ 58.773274][ T603] ? tracepoint_probe_unregister+0x211/0x8e0 [ 58.779402][ T603] ? __cfi_mutex_lock+0x10/0x10 [ 58.784298][ T603] ? delete_node+0x3df/0xa60 [ 58.789289][ T603] ? tracepoint_probe_unregister+0x211/0x8e0 [ 58.795643][ T603] __kmalloc+0xa4/0x1e0 [ 58.799832][ T603] ? __cfi___bpf_trace_neigh_update+0x10/0x10 [ 58.806089][ T603] tracepoint_probe_unregister+0x211/0x8e0 [ 58.812198][ T603] bpf_probe_unregister+0x61/0x70 [ 58.817251][ T603] bpf_raw_tp_link_release+0x63/0x90 [ 58.822649][ T603] bpf_link_free+0x13b/0x3b0 [ 58.827271][ T603] ? bpf_link_put_deferred+0x20/0x20 [ 58.832713][ T603] bpf_link_release+0x15f/0x170 [ 58.837752][ T603] ? __cfi_bpf_link_release+0x10/0x10 [ 58.843481][ T603] __fput+0x1fd/0x8f0 [ 58.847573][ T603] ____fput+0x15/0x20 [ 58.851572][ T603] task_work_run+0x1e1/0x250 [ 58.856279][ T603] ? __cfi_task_work_run+0x10/0x10 [ 58.861418][ T603] ? fput+0x15b/0x1a0 [ 58.865644][ T603] exit_to_user_mode_loop+0x9b/0xb0 [ 58.870883][ T603] exit_to_user_mode_prepare+0x87/0xd0 [ 58.876370][ T603] syscall_exit_to_user_mode+0x1a/0x30 [ 58.881857][ T603] do_syscall_64+0x58/0xa0 [ 58.886306][ T603] ? clear_bhb_loop+0x30/0x80 [ 58.891118][ T603] ? clear_bhb_loop+0x30/0x80 [ 58.896074][ T603] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 58.902210][ T603] RIP: 0033:0x7f02cff9a379 [ 58.906653][ T603] 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 [ 58.926900][ T603] RSP: 002b:00007f02d0e07028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 58.935526][ T603] RAX: 0000000000000000 RBX: 00007f02d01e5fa0 RCX: 00007f02cff9a379 [ 58.944339][ T603] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 58.952433][ T603] RBP: 00007f02d0e07090 R08: 0000000000000000 R09: 0000000000000000 [ 58.960849][ T603] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 58.969143][ T603] R13: 00007f02d01e6038 R14: 00007f02d01e5fa0 R15: 00007fff8dc3ec88 [ 58.977252][ T603] [ 58.981445][ T612] FAULT_INJECTION: forcing a failure. [ 58.981445][ T612] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 58.982664][ T613] FAULT_INJECTION: forcing a failure. [ 58.982664][ T613] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 58.997846][ T612] CPU: 0 PID: 612 Comm: syz.0.57 Not tainted syzkaller #0 [ 59.015375][ T612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 59.026629][ T612] Call Trace: [ 59.030139][ T612] [ 59.033114][ T612] __dump_stack+0x21/0x24 [ 59.037675][ T612] dump_stack_lvl+0x110/0x170 [ 59.043013][ T612] ? __cfi_dump_stack_lvl+0x8/0x8 [ 59.048189][ T612] dump_stack+0x15/0x24 [ 59.052572][ T612] should_fail_ex+0x3bf/0x510 [ 59.057293][ T612] should_fail+0xb/0x10 [ 59.061581][ T612] should_fail_usercopy+0x1a/0x20 [ 59.066825][ T612] _copy_to_user+0x1e/0x90 [ 59.071391][ T612] simple_read_from_buffer+0xe9/0x160 [ 59.076827][ T612] proc_fail_nth_read+0x1a6/0x220 [ 59.082119][ T612] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 59.087811][ T612] ? security_file_permission+0x94/0xb0 [ 59.093541][ T612] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 59.099130][ T612] vfs_read+0x286/0x930 [ 59.103510][ T612] ? __cfi_vfs_read+0x10/0x10 [ 59.108403][ T612] ? __kasan_check_write+0x14/0x20 [ 59.113736][ T612] ? mutex_lock+0x93/0x1b0 [ 59.118366][ T612] ? __cfi_mutex_lock+0x10/0x10 [ 59.123354][ T612] ? __fdget_pos+0x2cd/0x380 [ 59.127987][ T612] ? ksys_read+0x70/0x260 [ 59.132380][ T612] ksys_read+0x14a/0x260 [ 59.136787][ T612] ? __cfi_ksys_read+0x10/0x10 [ 59.141677][ T612] ? debug_smp_processor_id+0x17/0x20 [ 59.147179][ T612] __x64_sys_read+0x7b/0x90 [ 59.152078][ T612] x64_sys_call+0x2f/0x9a0 [ 59.156628][ T612] do_syscall_64+0x4c/0xa0 [ 59.161265][ T612] ? clear_bhb_loop+0x30/0x80 [ 59.165993][ T612] ? clear_bhb_loop+0x30/0x80 [ 59.170721][ T612] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 59.177050][ T612] RIP: 0033:0x7faffcb5ac4e [ 59.181866][ T612] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 59.201692][ T612] RSP: 002b:00007faffd9a3fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 59.210149][ T612] RAX: ffffffffffffffda RBX: 00007faffd9a46c0 RCX: 00007faffcb5ac4e [ 59.218709][ T612] RDX: 000000000000000f RSI: 00007faffd9a40a0 RDI: 0000000000000006 [ 59.227230][ T612] RBP: 00007faffd9a4090 R08: 0000000000000000 R09: 0000000000000000 [ 59.236377][ T612] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 59.245064][ T612] R13: 00007faffcde6128 R14: 00007faffcde6090 R15: 00007ffe63c2a9d8 [ 59.253676][ T612] [ 59.256742][ T613] CPU: 1 PID: 613 Comm: syz.5.58 Not tainted syzkaller #0 [ 59.263917][ T613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 59.274121][ T613] Call Trace: [ 59.277490][ T613] [ 59.280818][ T613] __dump_stack+0x21/0x24 [ 59.285552][ T613] dump_stack_lvl+0x110/0x170 [ 59.290327][ T613] ? __cfi_dump_stack_lvl+0x8/0x8 [ 59.295860][ T613] dump_stack+0x15/0x24 [ 59.300505][ T613] should_fail_ex+0x3bf/0x510 [ 59.305313][ T613] should_fail+0xb/0x10 [ 59.309578][ T613] should_fail_usercopy+0x1a/0x20 [ 59.315002][ T613] _copy_to_user+0x1e/0x90 [ 59.319907][ T613] simple_read_from_buffer+0xe9/0x160 [ 59.325494][ T613] proc_fail_nth_read+0x1a6/0x220 [ 59.330649][ T613] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 59.336215][ T613] ? security_file_permission+0x94/0xb0 [ 59.342143][ T613] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 59.347797][ T613] vfs_read+0x286/0x930 [ 59.352126][ T613] ? __cfi_vfs_read+0x10/0x10 [ 59.357179][ T613] ? __kasan_check_write+0x14/0x20 [ 59.362336][ T613] ? mutex_lock+0x93/0x1b0 [ 59.366796][ T613] ? __cfi_mutex_lock+0x10/0x10 [ 59.371675][ T613] ? __fdget_pos+0x2cd/0x380 [ 59.376378][ T613] ? ksys_read+0x70/0x260 [ 59.380911][ T613] ksys_read+0x14a/0x260 [ 59.385477][ T613] ? __cfi_ksys_read+0x10/0x10 [ 59.390297][ T613] ? debug_smp_processor_id+0x17/0x20 [ 59.396125][ T613] __x64_sys_read+0x7b/0x90 [ 59.400744][ T613] x64_sys_call+0x2f/0x9a0 [ 59.405570][ T613] do_syscall_64+0x4c/0xa0 [ 59.410369][ T613] ? clear_bhb_loop+0x30/0x80 [ 59.415343][ T613] ? clear_bhb_loop+0x30/0x80 [ 59.420053][ T613] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 59.426145][ T613] RIP: 0033:0x7fd398b5ac4e [ 59.430762][ T613] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 59.450651][ T613] RSP: 002b:00007fd3999f4fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 59.459110][ T613] RAX: ffffffffffffffda RBX: 00007fd3999f56c0 RCX: 00007fd398b5ac4e [ 59.467645][ T613] RDX: 000000000000000f RSI: 00007fd3999f50a0 RDI: 0000000000000006 [ 59.475909][ T613] RBP: 00007fd3999f5090 R08: 0000000000000000 R09: 0000000000000000 [ 59.483942][ T613] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 59.492210][ T613] R13: 00007fd398de6128 R14: 00007fd398de6090 R15: 00007ffe915f3498 [ 59.500481][ T613] [ 59.504950][ T617] FAULT_INJECTION: forcing a failure. [ 59.504950][ T617] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 59.519649][ T617] CPU: 1 PID: 617 Comm: syz.3.59 Not tainted syzkaller #0 [ 59.519862][ T615] FAULT_INJECTION: forcing a failure. [ 59.519862][ T615] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 59.527077][ T617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 59.527096][ T617] Call Trace: [ 59.527103][ T617] [ 59.527111][ T617] __dump_stack+0x21/0x24 [ 59.562667][ T617] dump_stack_lvl+0x110/0x170 [ 59.567600][ T617] ? __cfi_dump_stack_lvl+0x8/0x8 [ 59.572776][ T617] dump_stack+0x15/0x24 [ 59.577296][ T617] should_fail_ex+0x3bf/0x510 [ 59.582230][ T617] should_fail+0xb/0x10 [ 59.586445][ T617] should_fail_usercopy+0x1a/0x20 [ 59.591660][ T617] _copy_to_user+0x1e/0x90 [ 59.596433][ T617] simple_read_from_buffer+0xe9/0x160 [ 59.602393][ T617] proc_fail_nth_read+0x1a6/0x220 [ 59.607511][ T617] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 59.613205][ T617] ? security_file_permission+0x94/0xb0 [ 59.618932][ T617] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 59.625148][ T617] vfs_read+0x286/0x930 [ 59.629661][ T617] ? __cfi_vfs_read+0x10/0x10 [ 59.634660][ T617] ? __kasan_check_write+0x14/0x20 [ 59.639904][ T617] ? mutex_lock+0x93/0x1b0 [ 59.644493][ T617] ? __cfi_mutex_lock+0x10/0x10 [ 59.649823][ T617] ? __fdget_pos+0x2cd/0x380 [ 59.654554][ T617] ? ksys_read+0x70/0x260 [ 59.659112][ T617] ksys_read+0x14a/0x260 [ 59.663399][ T617] ? __cfi_ksys_read+0x10/0x10 [ 59.668470][ T617] ? debug_smp_processor_id+0x17/0x20 [ 59.674155][ T617] __x64_sys_read+0x7b/0x90 [ 59.678713][ T617] x64_sys_call+0x2f/0x9a0 [ 59.683530][ T617] do_syscall_64+0x4c/0xa0 [ 59.688089][ T617] ? clear_bhb_loop+0x30/0x80 [ 59.693151][ T617] ? clear_bhb_loop+0x30/0x80 [ 59.698125][ T617] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 59.704671][ T617] RIP: 0033:0x7f611b95ac4e [ 59.709562][ T617] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 59.730159][ T617] RSP: 002b:00007f611c88afe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 59.739664][ T617] RAX: ffffffffffffffda RBX: 00007f611c88b6c0 RCX: 00007f611b95ac4e [ 59.748098][ T617] RDX: 000000000000000f RSI: 00007f611c88b0a0 RDI: 0000000000000006 [ 59.757406][ T617] RBP: 00007f611c88b090 R08: 0000000000000000 R09: 0000000000000000 [ 59.765410][ T617] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 59.773427][ T617] R13: 00007f611bbe6128 R14: 00007f611bbe6090 R15: 00007ffd27cf0198 [ 59.782277][ T617] [ 59.785608][ T615] CPU: 0 PID: 615 Comm: syz.4.60 Not tainted syzkaller #0 [ 59.792966][ T615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 59.803145][ T615] Call Trace: [ 59.806463][ T615] [ 59.809427][ T615] __dump_stack+0x21/0x24 [ 59.814685][ T615] dump_stack_lvl+0x110/0x170 [ 59.819523][ T615] ? __cfi_dump_stack_lvl+0x8/0x8 [ 59.824938][ T615] dump_stack+0x15/0x24 [ 59.829235][ T615] should_fail_ex+0x3bf/0x510 [ 59.834441][ T615] should_fail+0xb/0x10 [ 59.838625][ T615] should_fail_usercopy+0x1a/0x20 [ 59.843836][ T615] _copy_to_user+0x1e/0x90 [ 59.848374][ T615] simple_read_from_buffer+0xe9/0x160 [ 59.854284][ T615] proc_fail_nth_read+0x1a6/0x220 [ 59.859518][ T615] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 59.865454][ T615] ? security_file_permission+0x94/0xb0 [ 59.871244][ T615] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 59.877355][ T615] vfs_read+0x286/0x930 [ 59.881639][ T615] ? __cfi_vfs_read+0x10/0x10 [ 59.886341][ T615] ? __kasan_check_write+0x14/0x20 [ 59.891839][ T615] ? mutex_lock+0x93/0x1b0 [ 59.896566][ T615] ? __cfi_mutex_lock+0x10/0x10 [ 59.901536][ T615] ? __fdget_pos+0x2cd/0x380 [ 59.906246][ T615] ? ksys_read+0x70/0x260 [ 59.910601][ T615] ksys_read+0x14a/0x260 [ 59.915352][ T615] ? __cfi_ksys_read+0x10/0x10 [ 59.920147][ T615] ? debug_smp_processor_id+0x17/0x20 [ 59.925660][ T615] __x64_sys_read+0x7b/0x90 [ 59.930307][ T615] x64_sys_call+0x2f/0x9a0 [ 59.934923][ T615] do_syscall_64+0x4c/0xa0 [ 59.939538][ T615] ? clear_bhb_loop+0x30/0x80 [ 59.944235][ T615] ? clear_bhb_loop+0x30/0x80 [ 59.948961][ T615] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 59.955058][ T615] RIP: 0033:0x7f02cff5ac4e [ 59.959778][ T615] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 59.979926][ T615] RSP: 002b:00007f02d0e06fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 59.989237][ T615] RAX: ffffffffffffffda RBX: 00007f02d0e076c0 RCX: 00007f02cff5ac4e [ 59.997312][ T615] RDX: 000000000000000f RSI: 00007f02d0e070a0 RDI: 0000000000000005 [ 60.005649][ T615] RBP: 00007f02d0e07090 R08: 0000000000000000 R09: 0000000000000000 [ 60.013727][ T615] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 60.021815][ T615] R13: 00007f02d01e6038 R14: 00007f02d01e5fa0 R15: 00007fff8dc3ec88 [ 60.030510][ T615] [ 60.060484][ T619] FAULT_INJECTION: forcing a failure. [ 60.060484][ T619] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 60.075116][ T619] CPU: 1 PID: 619 Comm: syz.6.61 Not tainted syzkaller #0 [ 60.082363][ T619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 60.092702][ T619] Call Trace: [ 60.096092][ T619] [ 60.099040][ T619] __dump_stack+0x21/0x24 [ 60.103501][ T619] dump_stack_lvl+0x110/0x170 [ 60.108212][ T619] ? __cfi_dump_stack_lvl+0x8/0x8 [ 60.113277][ T619] dump_stack+0x15/0x24 [ 60.117461][ T619] should_fail_ex+0x3bf/0x510 [ 60.122337][ T619] should_fail+0xb/0x10 [ 60.126535][ T619] should_fail_usercopy+0x1a/0x20 [ 60.131856][ T619] _copy_to_user+0x1e/0x90 [ 60.136333][ T619] simple_read_from_buffer+0xe9/0x160 [ 60.141762][ T619] proc_fail_nth_read+0x1a6/0x220 [ 60.146904][ T619] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 60.152564][ T619] ? security_file_permission+0x94/0xb0 [ 60.158427][ T619] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 60.164175][ T619] vfs_read+0x286/0x930 [ 60.168365][ T619] ? __cfi_vfs_read+0x10/0x10 [ 60.173153][ T619] ? __kasan_check_write+0x14/0x20 [ 60.178482][ T619] ? mutex_lock+0x93/0x1b0 [ 60.183002][ T619] ? __cfi_mutex_lock+0x10/0x10 [ 60.188050][ T619] ? __fdget_pos+0x2cd/0x380 [ 60.192762][ T619] ? ksys_read+0x70/0x260 [ 60.197287][ T619] ksys_read+0x14a/0x260 [ 60.201643][ T619] ? __cfi_ksys_read+0x10/0x10 [ 60.206514][ T619] ? fput+0x15b/0x1a0 [ 60.210643][ T619] ? debug_smp_processor_id+0x17/0x20 [ 60.216229][ T619] __x64_sys_read+0x7b/0x90 [ 60.220750][ T619] x64_sys_call+0x2f/0x9a0 [ 60.225280][ T619] do_syscall_64+0x4c/0xa0 [ 60.229831][ T619] ? clear_bhb_loop+0x30/0x80 [ 60.234532][ T619] ? clear_bhb_loop+0x30/0x80 [ 60.239334][ T619] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 60.245682][ T619] RIP: 0033:0x7ffbe1d5ac4e [ 60.250114][ T619] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 60.270347][ T619] RSP: 002b:00007ffbe2be6fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 60.278815][ T619] RAX: ffffffffffffffda RBX: 00007ffbe2be76c0 RCX: 00007ffbe1d5ac4e [ 60.287033][ T619] RDX: 000000000000000f RSI: 00007ffbe2be70a0 RDI: 0000000000000006 [ 60.295318][ T619] RBP: 00007ffbe2be7090 R08: 0000000000000000 R09: 0000000000000000 [ 60.303578][ T619] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 60.311916][ T619] R13: 00007ffbe1fe6038 R14: 00007ffbe1fe5fa0 R15: 00007ffe9faa7548 [ 60.320097][ T619] [ 60.324715][ T625] FAULT_INJECTION: forcing a failure. [ 60.324715][ T625] name failslab, interval 1, probability 0, space 0, times 0 [ 60.339413][ T625] CPU: 1 PID: 625 Comm: syz.3.62 Not tainted syzkaller #0 [ 60.347024][ T625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 60.357494][ T625] Call Trace: [ 60.360983][ T625] [ 60.363957][ T625] __dump_stack+0x21/0x24 [ 60.368428][ T625] dump_stack_lvl+0x110/0x170 [ 60.373250][ T625] ? __cfi_dump_stack_lvl+0x8/0x8 [ 60.378324][ T625] ? unwind_get_return_address+0x4d/0x90 [ 60.384068][ T625] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 60.390518][ T625] dump_stack+0x15/0x24 [ 60.394987][ T625] should_fail_ex+0x3bf/0x510 [ 60.399708][ T625] __should_failslab+0xac/0xf0 [ 60.404674][ T625] should_failslab+0x9/0x20 [ 60.409587][ T625] __kmem_cache_alloc_node+0x3d/0x2d0 [ 60.415335][ T625] ? tracepoint_probe_unregister+0x211/0x8e0 [ 60.421613][ T625] ? __cfi_mutex_lock+0x10/0x10 [ 60.426563][ T625] ? delete_node+0x3df/0xa60 [ 60.431461][ T625] ? tracepoint_probe_unregister+0x211/0x8e0 [ 60.437558][ T625] __kmalloc+0xa4/0x1e0 [ 60.441746][ T625] ? __cfi___bpf_trace_neigh_update+0x10/0x10 [ 60.448007][ T625] tracepoint_probe_unregister+0x211/0x8e0 [ 60.454429][ T625] bpf_probe_unregister+0x61/0x70 [ 60.459706][ T625] bpf_raw_tp_link_release+0x63/0x90 [ 60.465023][ T625] bpf_link_free+0x13b/0x3b0 [ 60.469838][ T625] ? bpf_link_put_deferred+0x20/0x20 [ 60.475496][ T625] bpf_link_release+0x15f/0x170 [ 60.480372][ T625] ? __cfi_bpf_link_release+0x10/0x10 [ 60.485980][ T625] __fput+0x1fd/0x8f0 [ 60.490107][ T625] ____fput+0x15/0x20 [ 60.494646][ T625] task_work_run+0x1e1/0x250 [ 60.499254][ T625] ? __cfi_task_work_run+0x10/0x10 [ 60.504475][ T625] ? fput+0x15b/0x1a0 [ 60.508498][ T625] exit_to_user_mode_loop+0x9b/0xb0 [ 60.513745][ T625] exit_to_user_mode_prepare+0x87/0xd0 [ 60.519430][ T625] syscall_exit_to_user_mode+0x1a/0x30 [ 60.525179][ T625] do_syscall_64+0x58/0xa0 [ 60.529640][ T625] ? clear_bhb_loop+0x30/0x80 [ 60.534624][ T625] ? clear_bhb_loop+0x30/0x80 [ 60.539514][ T625] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 60.545696][ T625] RIP: 0033:0x7f611b99a379 [ 60.550135][ T625] 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 [ 60.570030][ T625] RSP: 002b:00007f611c8ac028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 60.578581][ T625] RAX: 0000000000000000 RBX: 00007f611bbe5fa0 RCX: 00007f611b99a379 [ 60.586852][ T625] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 60.594986][ T625] RBP: 00007f611c8ac090 R08: 0000000000000000 R09: 0000000000000000 [ 60.603077][ T625] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 60.611249][ T625] R13: 00007f611bbe6038 R14: 00007f611bbe5fa0 R15: 00007ffd27cf0198 [ 60.619350][ T625] [ 60.623306][ T631] FAULT_INJECTION: forcing a failure. [ 60.623306][ T631] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 60.639241][ T628] FAULT_INJECTION: forcing a failure. [ 60.639241][ T628] name failslab, interval 1, probability 0, space 0, times 0 [ 60.653191][ T628] CPU: 1 PID: 628 Comm: syz.4.63 Not tainted syzkaller #0 [ 60.660484][ T628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 60.670763][ T628] Call Trace: [ 60.674102][ T628] [ 60.677183][ T628] __dump_stack+0x21/0x24 [ 60.682469][ T628] dump_stack_lvl+0x110/0x170 [ 60.687383][ T628] ? __cfi_dump_stack_lvl+0x8/0x8 [ 60.692640][ T628] ? unwind_get_return_address+0x4d/0x90 [ 60.698399][ T628] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 60.705040][ T628] dump_stack+0x15/0x24 [ 60.709691][ T628] should_fail_ex+0x3bf/0x510 [ 60.714507][ T628] __should_failslab+0xac/0xf0 [ 60.719588][ T628] should_failslab+0x9/0x20 [ 60.724565][ T628] __kmem_cache_alloc_node+0x3d/0x2d0 [ 60.730422][ T628] ? tracepoint_probe_unregister+0x211/0x8e0 [ 60.736622][ T628] ? __cfi_mutex_lock+0x10/0x10 [ 60.741600][ T628] ? delete_node+0x3df/0xa60 [ 60.746364][ T628] ? tracepoint_probe_unregister+0x211/0x8e0 [ 60.752399][ T628] __kmalloc+0xa4/0x1e0 [ 60.756598][ T628] ? __cfi___bpf_trace_neigh_update+0x10/0x10 2026/09/16 09:23:24 executed programs: 60 [ 60.762968][ T628] tracepoint_probe_unregister+0x211/0x8e0 [ 60.768910][ T628] bpf_probe_unregister+0x61/0x70 [ 60.774095][ T628] bpf_raw_tp_link_release+0x63/0x90 [ 60.779425][ T628] bpf_link_free+0x13b/0x3b0 [ 60.784241][ T628] ? bpf_link_put_deferred+0x20/0x20 [ 60.789574][ T628] bpf_link_release+0x15f/0x170 [ 60.794460][ T628] ? __cfi_bpf_link_release+0x10/0x10 [ 60.799871][ T628] __fput+0x1fd/0x8f0 [ 60.804158][ T628] ____fput+0x15/0x20 [ 60.808285][ T628] task_work_run+0x1e1/0x250 [ 60.812917][ T628] ? __cfi_task_work_run+0x10/0x10 [ 60.818352][ T628] ? fput+0x15b/0x1a0 [ 60.822649][ T628] exit_to_user_mode_loop+0x9b/0xb0 [ 60.827904][ T628] exit_to_user_mode_prepare+0x87/0xd0 [ 60.833499][ T628] syscall_exit_to_user_mode+0x1a/0x30 [ 60.839092][ T628] do_syscall_64+0x58/0xa0 [ 60.843638][ T628] ? clear_bhb_loop+0x30/0x80 [ 60.848466][ T628] ? clear_bhb_loop+0x30/0x80 [ 60.853183][ T628] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 60.859192][ T628] RIP: 0033:0x7f02cff9a379 [ 60.863722][ T628] 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 [ 60.884202][ T628] RSP: 002b:00007f02d0e07028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 60.893353][ T628] RAX: 0000000000000000 RBX: 00007f02d01e5fa0 RCX: 00007f02cff9a379 [ 60.901368][ T628] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 60.909874][ T628] RBP: 00007f02d0e07090 R08: 0000000000000000 R09: 0000000000000000 [ 60.917981][ T628] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 60.926431][ T628] R13: 00007f02d01e6038 R14: 00007f02d01e5fa0 R15: 00007fff8dc3ec88 [ 60.934980][ T628] [ 60.938290][ T631] CPU: 0 PID: 631 Comm: syz.0.65 Not tainted syzkaller #0 [ 60.940331][ T624] FAULT_INJECTION: forcing a failure. [ 60.940331][ T624] name failslab, interval 1, probability 0, space 0, times 0 [ 60.945558][ T631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 60.945576][ T631] Call Trace: [ 60.945584][ T631] [ 60.945593][ T631] __dump_stack+0x21/0x24 [ 60.979485][ T631] dump_stack_lvl+0x110/0x170 [ 60.984352][ T631] ? __cfi_dump_stack_lvl+0x8/0x8 [ 60.989522][ T631] dump_stack+0x15/0x24 [ 60.993893][ T631] should_fail_ex+0x3bf/0x510 [ 60.998627][ T631] should_fail+0xb/0x10 [ 60.998908][ T635] FAULT_INJECTION: forcing a failure. [ 60.998908][ T635] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 61.002817][ T631] should_fail_usercopy+0x1a/0x20 [ 61.002841][ T631] _copy_to_user+0x1e/0x90 [ 61.025961][ T631] simple_read_from_buffer+0xe9/0x160 [ 61.031465][ T631] proc_fail_nth_read+0x1a6/0x220 [ 61.036717][ T631] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 61.042521][ T631] ? security_file_permission+0x94/0xb0 [ 61.048128][ T631] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 61.053915][ T631] vfs_read+0x286/0x930 [ 61.058199][ T631] ? __cfi_vfs_read+0x10/0x10 [ 61.063335][ T631] ? __kasan_check_write+0x14/0x20 [ 61.068680][ T631] ? mutex_lock+0x93/0x1b0 [ 61.073174][ T631] ? __cfi_mutex_lock+0x10/0x10 [ 61.078079][ T631] ? __fdget_pos+0x2cd/0x380 [ 61.082722][ T631] ? ksys_read+0x70/0x260 [ 61.087098][ T631] ksys_read+0x14a/0x260 [ 61.091489][ T631] ? __cfi_ksys_read+0x10/0x10 [ 61.096400][ T631] ? debug_smp_processor_id+0x17/0x20 [ 61.102110][ T631] __x64_sys_read+0x7b/0x90 [ 61.106671][ T631] x64_sys_call+0x2f/0x9a0 [ 61.111132][ T631] do_syscall_64+0x4c/0xa0 [ 61.115790][ T631] ? clear_bhb_loop+0x30/0x80 [ 61.120804][ T631] ? clear_bhb_loop+0x30/0x80 [ 61.125608][ T631] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 61.131621][ T631] RIP: 0033:0x7faffcb5ac4e [ 61.136161][ T631] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 61.156872][ T631] RSP: 002b:00007faffd9a3fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 61.166556][ T631] RAX: ffffffffffffffda RBX: 00007faffd9a46c0 RCX: 00007faffcb5ac4e [ 61.175092][ T631] RDX: 000000000000000f RSI: 00007faffd9a40a0 RDI: 0000000000000006 [ 61.183896][ T631] RBP: 00007faffd9a4090 R08: 0000000000000000 R09: 0000000000000000 [ 61.192523][ T631] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 61.200625][ T631] R13: 00007faffcde6128 R14: 00007faffcde6090 R15: 00007ffe63c2a9d8 [ 61.209377][ T631] [ 61.212473][ T635] CPU: 1 PID: 635 Comm: syz.6.66 Not tainted syzkaller #0 [ 61.219727][ T635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 61.230460][ T635] Call Trace: [ 61.233956][ T635] [ 61.237112][ T635] __dump_stack+0x21/0x24 [ 61.241611][ T635] dump_stack_lvl+0x110/0x170 [ 61.246673][ T635] ? __cfi_dump_stack_lvl+0x8/0x8 [ 61.252259][ T635] dump_stack+0x15/0x24 [ 61.256616][ T635] should_fail_ex+0x3bf/0x510 [ 61.261312][ T635] should_fail+0xb/0x10 [ 61.265492][ T635] should_fail_usercopy+0x1a/0x20 [ 61.270660][ T635] _copy_to_user+0x1e/0x90 [ 61.275110][ T635] simple_read_from_buffer+0xe9/0x160 [ 61.280744][ T635] proc_fail_nth_read+0x1a6/0x220 [ 61.286134][ T635] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 61.291738][ T635] ? security_file_permission+0x94/0xb0 [ 61.297979][ T635] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 61.304005][ T635] vfs_read+0x286/0x930 [ 61.308523][ T635] ? __cfi_vfs_read+0x10/0x10 [ 61.313841][ T635] ? __kasan_check_write+0x14/0x20 [ 61.319290][ T635] ? mutex_lock+0x93/0x1b0 [ 61.324717][ T635] ? __cfi_mutex_lock+0x10/0x10 [ 61.329972][ T635] ? __fdget_pos+0x2cd/0x380 [ 61.334956][ T635] ? ksys_read+0x70/0x260 [ 61.339675][ T635] ksys_read+0x14a/0x260 [ 61.344066][ T635] ? __cfi_ksys_read+0x10/0x10 [ 61.348939][ T635] ? debug_smp_processor_id+0x17/0x20 [ 61.354547][ T635] __x64_sys_read+0x7b/0x90 [ 61.359265][ T635] x64_sys_call+0x2f/0x9a0 [ 61.364286][ T635] do_syscall_64+0x4c/0xa0 [ 61.368755][ T635] ? clear_bhb_loop+0x30/0x80 [ 61.373562][ T635] ? clear_bhb_loop+0x30/0x80 [ 61.378362][ T635] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 61.384295][ T635] RIP: 0033:0x7ffbe1d5ac4e [ 61.389160][ T635] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 61.410530][ T635] RSP: 002b:00007ffbe2bc5fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 61.419160][ T635] RAX: ffffffffffffffda RBX: 00007ffbe2bc66c0 RCX: 00007ffbe1d5ac4e [ 61.427298][ T635] RDX: 000000000000000f RSI: 00007ffbe2bc60a0 RDI: 0000000000000006 [ 61.435307][ T635] RBP: 00007ffbe2bc6090 R08: 0000000000000000 R09: 0000000000000000 [ 61.443305][ T635] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 61.451303][ T635] R13: 00007ffbe1fe6128 R14: 00007ffbe1fe6090 R15: 00007ffe9faa7548 [ 61.459303][ T635] [ 61.462828][ T633] FAULT_INJECTION: forcing a failure. [ 61.462828][ T633] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 61.473268][ T624] CPU: 1 PID: 624 Comm: syz.5.64 Not tainted syzkaller #0 [ 61.483883][ T624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 61.494156][ T624] Call Trace: [ 61.497479][ T624] [ 61.500437][ T624] __dump_stack+0x21/0x24 [ 61.504920][ T624] dump_stack_lvl+0x110/0x170 [ 61.510115][ T624] ? __cfi_dump_stack_lvl+0x8/0x8 [ 61.515293][ T624] ? unwind_get_return_address+0x4d/0x90 [ 61.521624][ T624] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 61.528036][ T624] dump_stack+0x15/0x24 [ 61.531857][ T638] FAULT_INJECTION: forcing a failure. [ 61.531857][ T638] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 61.532841][ T624] should_fail_ex+0x3bf/0x510 [ 61.551993][ T624] __should_failslab+0xac/0xf0 [ 61.557119][ T624] should_failslab+0x9/0x20 [ 61.562024][ T624] __kmem_cache_alloc_node+0x3d/0x2d0 [ 61.567453][ T624] ? tracepoint_probe_unregister+0x211/0x8e0 [ 61.573495][ T624] ? __cfi_mutex_lock+0x10/0x10 [ 61.578391][ T624] ? delete_node+0x3df/0xa60 [ 61.583103][ T624] ? tracepoint_probe_unregister+0x211/0x8e0 [ 61.589577][ T624] __kmalloc+0xa4/0x1e0 [ 61.594002][ T624] ? __cfi___bpf_trace_neigh_update+0x10/0x10 [ 61.600645][ T624] tracepoint_probe_unregister+0x211/0x8e0 [ 61.607739][ T624] bpf_probe_unregister+0x61/0x70 [ 61.613175][ T624] bpf_raw_tp_link_release+0x63/0x90 [ 61.619005][ T624] bpf_link_free+0x13b/0x3b0 [ 61.624270][ T624] ? bpf_link_put_deferred+0x20/0x20 [ 61.629879][ T624] bpf_link_release+0x15f/0x170 [ 61.634953][ T624] ? __cfi_bpf_link_release+0x10/0x10 [ 61.640540][ T624] __fput+0x1fd/0x8f0 [ 61.644780][ T624] ____fput+0x15/0x20 [ 61.649165][ T624] task_work_run+0x1e1/0x250 [ 61.654238][ T624] ? __cfi_task_work_run+0x10/0x10 [ 61.659915][ T624] ? fput+0x15b/0x1a0 [ 61.665115][ T624] exit_to_user_mode_loop+0x9b/0xb0 [ 61.671427][ T624] exit_to_user_mode_prepare+0x87/0xd0 [ 61.677474][ T624] syscall_exit_to_user_mode+0x1a/0x30 [ 61.683167][ T624] do_syscall_64+0x58/0xa0 [ 61.687942][ T624] ? clear_bhb_loop+0x30/0x80 [ 61.692922][ T624] ? clear_bhb_loop+0x30/0x80 [ 61.697633][ T624] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 61.704173][ T624] RIP: 0033:0x7fd398b9a379 [ 61.708814][ T624] 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 [ 61.729104][ T624] RSP: 002b:00007fd399a16028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 61.738544][ T624] RAX: 0000000000000000 RBX: 00007fd398de5fa0 RCX: 00007fd398b9a379 [ 61.747080][ T624] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 61.755721][ T624] RBP: 00007fd399a16090 R08: 0000000000000000 R09: 0000000000000000 [ 61.764178][ T624] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 61.772203][ T624] R13: 00007fd398de6038 R14: 00007fd398de5fa0 R15: 00007ffe915f3498 [ 61.780635][ T624] [ 61.783775][ T638] CPU: 0 PID: 638 Comm: syz.4.68 Not tainted syzkaller #0 [ 61.791389][ T638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 61.801929][ T638] Call Trace: [ 61.805245][ T638] [ 61.808208][ T638] __dump_stack+0x21/0x24 [ 61.812729][ T638] dump_stack_lvl+0x110/0x170 [ 61.817440][ T638] ? __cfi_dump_stack_lvl+0x8/0x8 [ 61.822681][ T638] dump_stack+0x15/0x24 [ 61.826879][ T638] should_fail_ex+0x3bf/0x510 [ 61.831617][ T638] should_fail+0xb/0x10 [ 61.835980][ T638] should_fail_usercopy+0x1a/0x20 [ 61.841145][ T638] _copy_to_user+0x1e/0x90 [ 61.845754][ T638] simple_read_from_buffer+0xe9/0x160 [ 61.849466][ C1] CFI failure at __traceiter_neigh_update+0x9d/0xf0 (target: 0xffffc900001b0518; expected type: 0xcdd4cfdd) [ 61.851217][ T638] proc_fail_nth_read+0x1a6/0x220 [ 61.851250][ T638] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 61.851279][ T638] ? security_file_permission+0x94/0xb0 [ 61.863316][ C1] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 61.868207][ T638] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 61.873800][ C1] CPU: 1 PID: 633 Comm: syz.3.67 Not tainted syzkaller #0 [ 61.879379][ T638] vfs_read+0x286/0x930 [ 61.885565][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 61.891592][ T638] ? __cfi_vfs_read+0x10/0x10 [ 61.898934][ C1] RIP: 0010:__traceiter_neigh_update+0x9d/0xf0 [ 61.903303][ T638] ? __kasan_check_write+0x14/0x20 [ 61.914019][ C1] Code: 05 e8 a7 22 b1 fd 49 8b 7e 08 48 8b 75 c8 48 8b 55 c0 44 89 e9 44 8b 45 d4 44 8b 4d d0 41 ba 23 30 2b 32 45 03 54 24 fc 74 02 <0f> 0b 41 ff d4 48 83 c3 18 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 [ 61.919274][ T638] ? mutex_lock+0x93/0x1b0 [ 61.925969][ C1] RSP: 0018:ffffc900001b0518 EFLAGS: 00010282 [ 61.932082][ T638] ? __cfi_mutex_lock+0x10/0x10 [ 61.952447][ C1] [ 61.952459][ C1] RAX: 1ffff110211cafc9 RBX: ffff888108e57e40 RCX: 0000000000000004 [ 61.957090][ T638] ? __fdget_pos+0x2cd/0x380 [ 61.963263][ C1] RDX: ffff888122f40856 RSI: ffff888120791400 RDI: ffffc900012b5000 [ 61.968134][ T638] ? ksys_read+0x70/0x260 [ 61.970488][ C1] RBP: ffffc900001b0558 R08: 0000000000000001 R09: 0000000000000000 [ 61.978845][ T638] ksys_read+0x14a/0x260 [ 61.983570][ C1] R10: 00000000d76b972f R11: 0000000000000100 R12: ffffffff81728af0 [ 61.993416][ T638] ? __cfi_ksys_read+0x10/0x10 [ 61.998259][ C1] R13: 0000000000000004 R14: ffff888108e57e40 R15: dffffc0000000000 [ 62.007315][ T638] ? debug_smp_processor_id+0x17/0x20 [ 62.011861][ C1] FS: 00007f611c8ac6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 62.020216][ T638] __x64_sys_read+0x7b/0x90 [ 62.025285][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.033945][ T638] x64_sys_call+0x2f/0x9a0 [ 62.039600][ C1] CR2: 00007faffcc04ec8 CR3: 000000012bcd7000 CR4: 00000000003506a0 [ 62.049191][ T638] do_syscall_64+0x4c/0xa0 [ 62.053912][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.060686][ T638] ? clear_bhb_loop+0x30/0x80 [ 62.065117][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.073550][ T638] ? clear_bhb_loop+0x30/0x80 [ 62.077995][ C1] Call Trace: [ 62.086164][ T638] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 62.090864][ C1] [ 62.099300][ T638] RIP: 0033:0x7f02cff5ac4e [ 62.104188][ C1] __neigh_update+0x1ff0/0x2140 [ 62.107509][ T638] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 62.113892][ C1] ? neigh_lookup+0x342/0x400 [ 62.116787][ T638] RSP: 002b:00007f02d0de5fe8 EFLAGS: 00000246 [ 62.121233][ C1] ? __cfi_arp_key_eq+0x10/0x10 [ 62.126264][ T638] ORIG_RAX: 0000000000000000 [ 62.126277][ T638] RAX: ffffffffffffffda RBX: 00007f02d0de66c0 RCX: 00007f02cff5ac4e [ 62.146413][ C1] ? __cfi_neigh_lookup+0x10/0x10 [ 62.151124][ T638] RDX: 000000000000000f RSI: 00007f02d0de60a0 RDI: 0000000000000004 [ 62.157215][ C1] neigh_event_ns+0xb3/0x120 [ 62.162259][ T638] RBP: 00007f02d0de6090 R08: 0000000000000000 R09: 0000000000000000 [ 62.167064][ C1] arp_process+0x12ed/0x1900 [ 62.175151][ T638] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 62.180370][ C1] ? __cfi_arp_process+0x10/0x10 [ 62.188736][ T638] R13: 00007f02d01e6128 R14: 00007f02d01e6090 R15: 00007fff8dc3ec88 [ 62.193347][ C1] ? __cfi_packet_rcv+0x10/0x10 [ 62.201482][ T638] [ 62.206428][ C1] ? __netif_receive_skb_core+0x2ded/0x3580 [ 62.241925][ C1] ? __cfi_arp_process+0x10/0x10 [ 62.246904][ C1] NF_HOOK+0x177/0x1d0 [ 62.251365][ C1] ? __cfi_arp_process+0x10/0x10 [ 62.256591][ C1] ? arp_xmit+0x1f0/0x1f0 [ 62.260971][ C1] ? qdisc_run+0x240/0x240 [ 62.265616][ C1] ? __kasan_check_read+0x11/0x20 [ 62.270678][ C1] arp_rcv+0x2ef/0x480 [ 62.274796][ C1] ? __cfi_arp_rcv+0x10/0x10 [ 62.279421][ C1] __netif_receive_skb_list_core+0x73c/0x7b0 [ 62.285723][ C1] ? set_rps_cpu+0x5e0/0x5e0 [ 62.290440][ C1] ? receive_buf+0x22a0/0x4890 [ 62.295309][ C1] netif_receive_skb_list_internal+0x7f8/0xaa0 [ 62.302083][ C1] ? __cfi_netif_receive_skb_list_internal+0x10/0x10 [ 62.310047][ C1] ? virtqueue_get_buf_ctx+0x47a/0xcf0 [ 62.319427][ C1] ? detach_buf_split+0x890/0xa90 [ 62.324979][ C1] napi_complete_done+0x375/0x7a0 [ 62.330211][ C1] ? __cfi_napi_complete_done+0x10/0x10 [ 62.335963][ C1] ? virtqueue_enable_cb_prepare+0x21b/0x500 [ 62.342531][ C1] virtnet_poll+0x9a8/0x1150 [ 62.347260][ C1] ? __kasan_check_read+0x11/0x20 [ 62.352515][ C1] ? __cfi_virtnet_poll+0x10/0x10 [ 62.358680][ C1] __napi_poll+0xcd/0x5d0 [ 62.364054][ C1] net_rx_action+0x4a3/0xa90 [ 62.368886][ C1] ? __cfi_net_rx_action+0x10/0x10 [ 62.374137][ C1] ? kvm_sched_clock_read+0x18/0x40 [ 62.379858][ C1] ? irqtime_account_irq+0x75/0x240 [ 62.385298][ C1] handle_softirqs+0x1d7/0x600 [ 62.390546][ C1] __irq_exit_rcu+0x52/0xf0 [ 62.395070][ C1] irq_exit_rcu+0x9/0x10 [ 62.399341][ C1] common_interrupt+0xbe/0xe0 [ 62.404051][ C1] [ 62.407502][ C1] [ 62.410659][ C1] asm_common_interrupt+0x27/0x40 [ 62.416420][ C1] RIP: 0010:__printk_cpu_sync_wait+0xb/0x40 [ 62.422357][ C1] Code: 1f 5f 00 4c 89 33 5b 41 5c 41 5e 41 5f 5d c3 90 90 90 90 90 90 90 90 90 90 90 b8 0c 67 40 a5 55 48 89 e5 e8 37 93 19 00 f3 90 <48> c7 c7 00 ba 11 87 be 04 00 00 00 e8 d4 20 5f 00 8b 05 7e e3 b9 [ 62.442859][ C1] RSP: 0018:ffffc9000130fa50 EFLAGS: 00000293 [ 62.449234][ C1] RAX: ffffffff8157d68c RBX: ffffffff860b0c20 RCX: ffff8881220b1440 [ 62.457288][ C1] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff8711ba00 [ 62.465301][ C1] RBP: ffffc9000130fa50 R08: 0000000000000003 R09: 0000000000000004 [ 62.473565][ C1] R10: dffffc0000000000 R11: fffffbfff0e23740 R12: dffffc0000000000 [ 62.482086][ C1] R13: 0000000000000200 R14: dffffc0000000004 R15: 1ffff92000261f4c [ 62.490628][ C1] ? __printk_cpu_sync_wait+0x2c/0x40 [ 62.496071][ C1] dump_stack_lvl+0xce/0x170 [ 62.500953][ C1] ? __cfi_dump_stack_lvl+0x8/0x8 [ 62.506407][ C1] dump_stack+0x15/0x24 [ 62.511123][ C1] should_fail_ex+0x3bf/0x510 [ 62.516097][ C1] should_fail+0xb/0x10 [ 62.520302][ C1] should_fail_usercopy+0x1a/0x20 [ 62.526040][ C1] _copy_to_user+0x1e/0x90 [ 62.531335][ C1] simple_read_from_buffer+0xe9/0x160 [ 62.537318][ C1] proc_fail_nth_read+0x1a6/0x220 [ 62.543123][ C1] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 62.549203][ C1] ? security_file_permission+0x94/0xb0 [ 62.555417][ C1] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 62.561395][ C1] vfs_read+0x286/0x930 [ 62.565875][ C1] ? __cfi_vfs_read+0x10/0x10 [ 62.571975][ C1] ? __kasan_check_write+0x14/0x20 [ 62.577483][ C1] ? mutex_lock+0x93/0x1b0 [ 62.581940][ C1] ? __cfi_mutex_lock+0x10/0x10 [ 62.587018][ C1] ? __fdget_pos+0x2cd/0x380 [ 62.592343][ C1] ? ksys_read+0x70/0x260 [ 62.596974][ C1] ksys_read+0x14a/0x260 [ 62.601269][ C1] ? __cfi_ksys_read+0x10/0x10 [ 62.607548][ C1] ? debug_smp_processor_id+0x17/0x20 [ 62.613186][ C1] __x64_sys_read+0x7b/0x90 [ 62.617840][ C1] x64_sys_call+0x2f/0x9a0 [ 62.623253][ C1] do_syscall_64+0x4c/0xa0 [ 62.627846][ C1] ? clear_bhb_loop+0x30/0x80 [ 62.635875][ C1] ? clear_bhb_loop+0x30/0x80 [ 62.642060][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 62.648633][ C1] RIP: 0033:0x7f611b95ac4e [ 62.653374][ C1] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 62.674935][ C1] RSP: 002b:00007f611c8abfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 62.683656][ C1] RAX: ffffffffffffffda RBX: 00007f611c8ac6c0 RCX: 00007f611b95ac4e [ 62.692091][ C1] RDX: 000000000000000f RSI: 00007f611c8ac0a0 RDI: 0000000000000006 [ 62.700530][ C1] RBP: 00007f611c8ac090 R08: 0000000000000000 R09: 0000000000000000 [ 62.708743][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 62.717288][ C1] R13: 00007f611bbe6038 R14: 00007f611bbe5fa0 R15: 00007ffd27cf0198 [ 62.726083][ C1] [ 62.729248][ C1] Modules linked in: [ 62.733310][ C1] ---[ end trace 0000000000000000 ]--- [ 62.738814][ C1] RIP: 0010:__traceiter_neigh_update+0x9d/0xf0 [ 62.745987][ C1] Code: 05 e8 a7 22 b1 fd 49 8b 7e 08 48 8b 75 c8 48 8b 55 c0 44 89 e9 44 8b 45 d4 44 8b 4d d0 41 ba 23 30 2b 32 45 03 54 24 fc 74 02 <0f> 0b 41 ff d4 48 83 c3 18 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 [ 62.766886][ C1] RSP: 0018:ffffc900001b0518 EFLAGS: 00010282 [ 62.773390][ C1] RAX: 1ffff110211cafc9 RBX: ffff888108e57e40 RCX: 0000000000000004 [ 62.781830][ C1] RDX: ffff888122f40856 RSI: ffff888120791400 RDI: ffffc900012b5000 [ 62.790315][ C1] RBP: ffffc900001b0558 R08: 0000000000000001 R09: 0000000000000000 [ 62.798682][ C1] R10: 00000000d76b972f R11: 0000000000000100 R12: ffffffff81728af0 [ 62.806736][ C1] R13: 0000000000000004 R14: ffff888108e57e40 R15: dffffc0000000000 [ 62.814975][ C1] FS: 00007f611c8ac6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 62.824179][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.831109][ C1] CR2: 00007faffcc04ec8 CR3: 000000012bcd7000 CR4: 00000000003506a0 [ 62.839297][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.847939][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.856205][ C1] Kernel panic - not syncing: Fatal exception in interrupt [ 62.864400][ C1] Kernel Offset: disabled [ 62.868850][ C1] Rebooting in 86400 seconds..