Warning: Permanently added '10.128.1.23' (ED25519) to the list of known hosts. 2025/12/13 15:29:55 parsed 1 programs [ 22.812530][ T28] audit: type=1400 audit(1765639795.694:64): avc: denied { node_bind } for pid=283 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 22.833260][ T28] audit: type=1400 audit(1765639795.694:65): avc: denied { module_request } for pid=283 comm="syz-execprog" kmod="net-pf-2-proto-262-type-1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 23.654547][ T28] audit: type=1400 audit(1765639796.534:66): avc: denied { mounton } for pid=291 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2023 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 23.655502][ T291] cgroup: Unknown subsys name 'net' [ 23.677432][ T28] audit: type=1400 audit(1765639796.534:67): avc: denied { mount } for pid=291 comm="syz-executor" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 23.704864][ T28] audit: type=1400 audit(1765639796.564:68): avc: denied { unmount } for pid=291 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 23.704999][ T291] cgroup: Unknown subsys name 'devices' [ 23.848530][ T291] cgroup: Unknown subsys name 'hugetlb' [ 23.854228][ T291] cgroup: Unknown subsys name 'rlimit' [ 23.962147][ T28] audit: type=1400 audit(1765639796.844:69): avc: denied { setattr } for pid=291 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=258 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 23.981855][ T294] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). Setting up swapspace version 1, size = 127995904 bytes [ 23.985538][ T28] audit: type=1400 audit(1765639796.844:70): avc: denied { create } for pid=291 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 24.014443][ T28] audit: type=1400 audit(1765639796.844:71): avc: denied { write } for pid=291 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 24.018176][ T291] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 24.034995][ T28] audit: type=1400 audit(1765639796.844:72): avc: denied { read } for pid=291 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 24.064161][ T28] audit: type=1400 audit(1765639796.844:73): avc: denied { mounton } for pid=291 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 24.914449][ T301] request_module fs-gadgetfs succeeded, but still no fs? [ 25.156181][ T306] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.177134][ T306] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.193913][ T306] device bridge_slave_0 entered promiscuous mode [ 25.201239][ T306] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.208966][ T306] bridge0: port 2(bridge_slave_1) entered disabled state [ 25.216535][ T306] device bridge_slave_1 entered promiscuous mode [ 25.470102][ T306] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.477220][ T306] bridge0: port 2(bridge_slave_1) entered forwarding state [ 25.484701][ T306] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.491809][ T306] bridge0: port 1(bridge_slave_0) entered forwarding state [ 25.523691][ T316] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.531743][ T316] bridge0: port 2(bridge_slave_1) entered disabled state [ 25.539581][ T316] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 25.547966][ T316] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 25.566956][ T316] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 25.575264][ T316] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.582367][ T316] bridge0: port 1(bridge_slave_0) entered forwarding state [ 25.601313][ T316] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 25.610124][ T316] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.617277][ T316] bridge0: port 2(bridge_slave_1) entered forwarding state [ 25.626273][ T316] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 25.647571][ T316] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 25.656650][ T316] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 25.667715][ T306] device veth0_vlan entered promiscuous mode [ 25.675391][ T316] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 25.692886][ T316] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 25.701236][ T316] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 25.708972][ T316] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 25.717440][ T306] device veth1_macvtap entered promiscuous mode 2025/12/13 15:29:58 executed programs: 0 [ 25.727518][ T316] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 25.741717][ T316] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 25.786543][ T306] syz-executor (306) used greatest stack depth: 21536 bytes left [ 25.987935][ T367] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.995351][ T367] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.003157][ T367] device bridge_slave_0 entered promiscuous mode [ 26.010954][ T367] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.018269][ T367] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.025578][ T367] device bridge_slave_1 entered promiscuous mode [ 26.032331][ T368] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.039514][ T368] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.047068][ T368] device bridge_slave_0 entered promiscuous mode [ 26.069233][ T368] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.076368][ T368] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.083867][ T368] device bridge_slave_1 entered promiscuous mode [ 26.132723][ T371] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.139965][ T371] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.147462][ T371] device bridge_slave_0 entered promiscuous mode [ 26.157739][ T369] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.164800][ T369] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.172565][ T369] device bridge_slave_0 entered promiscuous mode [ 26.189545][ T371] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.196905][ T371] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.204372][ T371] device bridge_slave_1 entered promiscuous mode [ 26.215019][ T369] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.222247][ T369] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.229611][ T369] device bridge_slave_1 entered promiscuous mode [ 26.239213][ T372] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.246255][ T372] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.253663][ T372] device bridge_slave_0 entered promiscuous mode [ 26.264236][ T372] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.271445][ T372] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.278886][ T372] device bridge_slave_1 entered promiscuous mode [ 26.521034][ T371] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.528264][ T371] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.535535][ T371] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.542757][ T371] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.561938][ T43] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.570605][ T43] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.579554][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 26.587611][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 26.619686][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 26.628425][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 26.636580][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.643660][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.651572][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 26.660134][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 26.668665][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.675894][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.683398][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 26.691455][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 26.703914][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 26.723795][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 26.731359][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 26.761808][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 26.771310][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 26.779037][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 26.786594][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 26.795230][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 26.803862][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.810909][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.818829][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 26.827340][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 26.835429][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.842569][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.850003][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 26.858443][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 26.866351][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 26.874755][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.881816][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.889447][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 26.897179][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 26.922787][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 26.931320][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 26.939938][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 26.947614][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 26.954976][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 26.963324][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 26.971646][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.978706][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.986139][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 26.993957][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 27.003339][ T367] device veth0_vlan entered promiscuous mode [ 27.027777][ T368] device veth0_vlan entered promiscuous mode [ 27.037663][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 27.045066][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 27.052919][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 27.061414][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.068491][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.077086][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 27.084558][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 27.092092][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 27.100517][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 27.108655][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 27.117209][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.124231][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.131802][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 27.140050][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.147278][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.154732][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 27.177190][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 27.185727][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 27.194241][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.201403][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.208982][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 27.218337][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 27.226432][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 27.234878][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 27.256239][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 27.264459][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 27.272601][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 27.280918][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 27.289344][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 27.297918][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 27.309770][ T367] device veth1_macvtap entered promiscuous mode [ 27.316961][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 27.325355][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 27.333506][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 27.354053][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 27.362341][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 27.370739][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 27.378863][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 27.389235][ T368] device veth1_macvtap entered promiscuous mode [ 27.396908][ T372] device veth0_vlan entered promiscuous mode [ 27.411169][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 27.419050][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 27.427101][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 27.434563][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 27.443075][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 27.451553][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 27.460074][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 27.468433][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 27.477093][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 27.492785][ T369] device veth0_vlan entered promiscuous mode [ 27.503298][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 27.511728][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 27.520679][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 27.528845][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 27.537249][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 27.544880][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 27.572673][ T369] device veth1_macvtap entered promiscuous mode [ 27.586123][ T316] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 27.594629][ T316] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 27.604318][ T419] FAULT_INJECTION: forcing a failure. [ 27.604318][ T419] name fail_usercopy, interval 1, probability 0, space 0, times 1 [ 27.605094][ T316] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 27.618220][ T419] CPU: 1 PID: 419 Comm: syz.0.17 Not tainted syzkaller #0 [ 27.625665][ T316] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 27.632027][ T419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 27.632039][ T419] Call Trace: [ 27.632044][ T419] [ 27.632051][ T419] __dump_stack+0x21/0x24 [ 27.632078][ T419] dump_stack_lvl+0xee/0x150 [ 27.632097][ T419] ? __cfi_dump_stack_lvl+0x8/0x8 [ 27.632118][ T419] dump_stack+0x15/0x24 [ 27.632135][ T419] should_fail_ex+0x3d4/0x520 [ 27.632159][ T419] should_fail+0xb/0x10 [ 27.632180][ T419] should_fail_usercopy+0x1a/0x20 [ 27.632203][ T419] _copy_to_user+0x1e/0x90 [ 27.632224][ T419] simple_read_from_buffer+0xe9/0x160 [ 27.632244][ T419] proc_fail_nth_read+0x19a/0x210 [ 27.632262][ T419] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 27.641353][ T316] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 27.650289][ T419] ? security_file_permission+0x94/0xb0 [ 27.650317][ T419] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 27.657859][ T372] device veth1_macvtap entered promiscuous mode [ 27.660953][ T419] vfs_read+0x26e/0x8c0 [ 27.672153][ T371] device veth0_vlan entered promiscuous mode [ 27.674744][ T419] ? __cfi_vfs_read+0x10/0x10 [ 27.749466][ T419] ? __fput+0x66a/0x8f0 [ 27.753618][ T419] ? blkcg_maybe_throttle_current+0x1df/0x9f0 [ 27.759739][ T419] ? __kasan_check_read+0x11/0x20 [ 27.764767][ T419] ? __fdget_pos+0x2d4/0x380 [ 27.769357][ T419] ksys_read+0x140/0x240 [ 27.773599][ T419] ? __cfi_ksys_read+0x10/0x10 [ 27.778529][ T419] ? fpregs_restore_userregs+0x128/0x260 [ 27.784239][ T419] __x64_sys_read+0x7b/0x90 [ 27.788832][ T419] x64_sys_call+0x2f/0x9a0 [ 27.793238][ T419] do_syscall_64+0x4c/0xa0 [ 27.797643][ T419] ? clear_bhb_loop+0x30/0x80 [ 27.802310][ T419] ? clear_bhb_loop+0x30/0x80 [ 27.806972][ T419] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 27.812851][ T419] RIP: 0033:0x7f9e49b8e11d [ 27.817256][ T419] Code: a8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb bd e8 a8 48 00 00 0f 1f 84 00 00 00 00 00 80 3d 41 d4 22 00 00 74 17 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 5b c3 66 2e 0f 1f 84 00 00 00 00 00 48 83 ec [ 27.836857][ T419] RSP: 002b:00007ffe9c473458 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 27.845275][ T419] RAX: ffffffffffffffda RBX: 00007f9e49de5fa0 RCX: 00007f9e49b8e11d [ 27.853234][ T419] RDX: 000000000000000f RSI: 00007ffe9c4734a0 RDI: 0000000000000005 [ 27.861191][ T419] RBP: 00007ffe9c473490 R08: 0000000000000000 R09: 0000000000000000 [ 27.869328][ T419] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 27.877285][ T419] R13: 00007f9e49de5fa0 R14: 00007f9e49de5fa0 R15: 0000000000000001 [ 27.885347][ T419] [ 27.902276][ T420] FAULT_INJECTION: forcing a failure. [ 27.902276][ T420] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 27.905049][ T316] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 27.915584][ T420] CPU: 1 PID: 420 Comm: syz.0.22 Not tainted syzkaller #0 [ 27.930551][ T420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 27.940692][ T420] Call Trace: [ 27.944065][ T420] [ 27.946990][ T420] __dump_stack+0x21/0x24 [ 27.951327][ T420] dump_stack_lvl+0xee/0x150 [ 27.956609][ T420] ? __cfi_dump_stack_lvl+0x8/0x8 [ 27.961633][ T420] dump_stack+0x15/0x24 [ 27.965883][ T420] should_fail_ex+0x3d4/0x520 [ 27.970646][ T420] should_fail+0xb/0x10 [ 27.974890][ T420] should_fail_usercopy+0x1a/0x20 [ 27.979913][ T420] _copy_to_user+0x1e/0x90 [ 27.984338][ T420] simple_read_from_buffer+0xe9/0x160 [ 27.989707][ T420] proc_fail_nth_read+0x19a/0x210 [ 27.994735][ T420] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 28.000274][ T420] ? security_file_permission+0x94/0xb0 [ 28.005934][ T420] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 28.011475][ T420] vfs_read+0x26e/0x8c0 [ 28.015731][ T420] ? __cfi_vfs_read+0x10/0x10 [ 28.020439][ T420] ? __fput+0x66a/0x8f0 [ 28.024613][ T420] ? blkcg_maybe_throttle_current+0x1df/0x9f0 [ 28.030683][ T420] ? __kasan_check_read+0x11/0x20 [ 28.035703][ T420] ? __fdget_pos+0x2d4/0x380 [ 28.040287][ T420] ksys_read+0x140/0x240 [ 28.044543][ T420] ? __cfi_ksys_read+0x10/0x10 [ 28.049398][ T420] ? fput+0x15b/0x1a0 [ 28.053381][ T420] ? debug_smp_processor_id+0x17/0x20 [ 28.058752][ T420] __x64_sys_read+0x7b/0x90 [ 28.063266][ T420] x64_sys_call+0x2f/0x9a0 [ 28.067769][ T420] do_syscall_64+0x4c/0xa0 [ 28.072180][ T420] ? clear_bhb_loop+0x30/0x80 [ 28.076868][ T420] ? clear_bhb_loop+0x30/0x80 [ 28.081635][ T420] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 28.087533][ T420] RIP: 0033:0x7f9e49b8e11d [ 28.091949][ T420] Code: a8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb bd e8 a8 48 00 00 0f 1f 84 00 00 00 00 00 80 3d 41 d4 22 00 00 74 17 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 5b c3 66 2e 0f 1f 84 00 00 00 00 00 48 83 ec [ 28.111553][ T420] RSP: 002b:00007ffe9c473458 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 28.120065][ T420] RAX: ffffffffffffffda RBX: 00007f9e49de5fa0 RCX: 00007f9e49b8e11d [ 28.128403][ T420] RDX: 000000000000000f RSI: 00007ffe9c4734a0 RDI: 0000000000000005 [ 28.136457][ T420] RBP: 00007ffe9c473490 R08: 0000000000000000 R09: 0000000000000000 [ 28.144424][ T420] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 28.152390][ T420] R13: 00007f9e49de5fa0 R14: 00007f9e49de5fa0 R15: 0000000000000001 [ 28.161150][ T420] [ 28.173200][ T316] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 28.181838][ T316] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 28.181893][ T421] FAULT_INJECTION: forcing a failure. [ 28.181893][ T421] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 28.190080][ T316] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 28.203683][ T421] CPU: 1 PID: 421 Comm: syz.0.23 Not tainted syzkaller #0 [ 28.213100][ T316] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 28.217594][ T421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 28.217606][ T421] Call Trace: [ 28.217611][ T421] [ 28.217617][ T421] __dump_stack+0x21/0x24 [ 28.217644][ T421] dump_stack_lvl+0xee/0x150 [ 28.217663][ T421] ? __cfi_dump_stack_lvl+0x8/0x8 [ 28.217684][ T421] dump_stack+0x15/0x24 [ 28.226943][ T316] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 28.236137][ T421] should_fail_ex+0x3d4/0x520 [ 28.239876][ T316] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 28.242347][ T421] should_fail+0xb/0x10 [ 28.247247][ T316] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 28.251333][ T421] should_fail_usercopy+0x1a/0x20 [ 28.256886][ T316] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 28.260602][ T421] _copy_to_user+0x1e/0x90 [ 28.269073][ T316] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 28.273009][ T421] simple_read_from_buffer+0xe9/0x160 [ 28.281121][ T316] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 28.284803][ T421] proc_fail_nth_read+0x19a/0x210 [ 28.302532][ T371] device veth1_macvtap entered promiscuous mode [ 28.305836][ T421] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 28.305861][ T421] ? security_file_permission+0x94/0xb0 [ 28.354326][ T421] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 28.359878][ T421] vfs_read+0x26e/0x8c0 [ 28.364078][ T421] ? __cfi_vfs_read+0x10/0x10 [ 28.368753][ T421] ? __fput+0x66a/0x8f0 [ 28.372896][ T421] ? blkcg_maybe_throttle_current+0x1df/0x9f0 [ 28.378956][ T421] ? __kasan_check_read+0x11/0x20 [ 28.384054][ T421] ? __fdget_pos+0x2d4/0x380 [ 28.388633][ T421] ksys_read+0x140/0x240 [ 28.392864][ T421] ? __cfi_ksys_read+0x10/0x10 [ 28.397713][ T421] ? fput+0x15b/0x1a0 [ 28.401695][ T421] ? debug_smp_processor_id+0x17/0x20 [ 28.407072][ T421] __x64_sys_read+0x7b/0x90 [ 28.411594][ T421] x64_sys_call+0x2f/0x9a0 [ 28.416008][ T421] do_syscall_64+0x4c/0xa0 [ 28.420596][ T421] ? clear_bhb_loop+0x30/0x80 [ 28.425282][ T421] ? clear_bhb_loop+0x30/0x80 [ 28.429961][ T421] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 28.435871][ T421] RIP: 0033:0x7f9e49b8e11d [ 28.440334][ T421] Code: a8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb bd e8 a8 48 00 00 0f 1f 84 00 00 00 00 00 80 3d 41 d4 22 00 00 74 17 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 5b c3 66 2e 0f 1f 84 00 00 00 00 00 48 83 ec [ 28.460483][ T421] RSP: 002b:00007ffe9c473458 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 28.468891][ T421] RAX: ffffffffffffffda RBX: 00007f9e49de5fa0 RCX: 00007f9e49b8e11d [ 28.476945][ T421] RDX: 000000000000000f RSI: 00007ffe9c4734a0 RDI: 0000000000000005 [ 28.485015][ T421] RBP: 00007ffe9c473490 R08: 0000000000000000 R09: 0000000000000000 [ 28.493106][ T421] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 28.501443][ T421] R13: 00007f9e49de5fa0 R14: 00007f9e49de5fa0 R15: 0000000000000001 [ 28.509520][ T421] [ 28.536618][ T316] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 28.544265][ T424] FAULT_INJECTION: forcing a failure. [ 28.544265][ T424] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 28.544503][ T316] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 28.559932][ T424] CPU: 1 PID: 424 Comm: syz.6.18 Not tainted syzkaller #0 [ 28.569342][ T316] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 28.572089][ T424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 28.572101][ T424] Call Trace: [ 28.580631][ T316] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 28.590201][ T424] [ 28.590214][ T424] __dump_stack+0x21/0x24 [ 28.590240][ T424] dump_stack_lvl+0xee/0x150 [ 28.590258][ T424] ? __cfi_dump_stack_lvl+0x8/0x8 [ 28.590278][ T424] dump_stack+0x15/0x24 [ 28.590296][ T424] should_fail_ex+0x3d4/0x520 [ 28.590321][ T424] should_fail+0xb/0x10 [ 28.590343][ T424] should_fail_usercopy+0x1a/0x20 [ 28.590366][ T424] _copy_to_user+0x1e/0x90 [ 28.590385][ T424] simple_read_from_buffer+0xe9/0x160 [ 28.594453][ T316] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 28.601818][ T424] proc_fail_nth_read+0x19a/0x210 [ 28.601846][ T424] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 28.601863][ T424] ? security_file_permission+0x94/0xb0 [ 28.605141][ T316] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 28.609112][ T424] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 28.609132][ T424] vfs_read+0x26e/0x8c0 [ 28.613923][ T316] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 28.618819][ T424] ? __cfi_vfs_read+0x10/0x10 [ 28.618847][ T424] ? __fput+0x66a/0x8f0 [ 28.618866][ T424] ? blkcg_maybe_throttle_current+0x1df/0x9f0 [ 28.623517][ T316] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 28.627815][ T424] ? __kasan_check_read+0x11/0x20 [ 28.627835][ T424] ? __fdget_pos+0x2d4/0x380 [ 28.632335][ T316] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 28.637096][ T424] ksys_read+0x140/0x240 [ 28.637122][ T424] ? __cfi_ksys_read+0x10/0x10 [ 28.637144][ T424] ? fput+0x15b/0x1a0 [ 28.750454][ T424] ? debug_smp_processor_id+0x17/0x20 [ 28.755917][ T424] __x64_sys_read+0x7b/0x90 [ 28.760423][ T424] x64_sys_call+0x2f/0x9a0 [ 28.764844][ T424] do_syscall_64+0x4c/0xa0 [ 28.769256][ T424] ? clear_bhb_loop+0x30/0x80 [ 28.773959][ T424] ? clear_bhb_loop+0x30/0x80 [ 28.778631][ T424] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 28.784612][ T424] RIP: 0033:0x7f0c1c98e11d [ 28.789082][ T424] Code: a8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb bd e8 a8 48 00 00 0f 1f 84 00 00 00 00 00 80 3d 41 d4 22 00 00 74 17 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 5b c3 66 2e 0f 1f 84 00 00 00 00 00 48 83 ec [ 28.808763][ T424] RSP: 002b:00007ffc118e6c88 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 28.817253][ T424] RAX: ffffffffffffffda RBX: 00007f0c1cbe5fa0 RCX: 00007f0c1c98e11d [ 28.825494][ T424] RDX: 000000000000000f RSI: 00007ffc118e6cd0 RDI: 0000000000000005 [ 28.833725][ T424] RBP: 00007ffc118e6cc0 R08: 0000000000000000 R09: 0000000000000000 [ 28.841876][ T424] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 28.849842][ T424] R13: 00007f0c1cbe5fa0 R14: 00007f0c1cbe5fa0 R15: 0000000000000001 [ 28.857871][ T424] [ 28.864104][ T422] FAULT_INJECTION: forcing a failure. [ 28.864104][ T422] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 28.878022][ T422] CPU: 0 PID: 422 Comm: syz.0.24 Not tainted syzkaller #0 [ 28.885244][ T422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 28.895301][ T422] Call Trace: [ 28.898624][ T422] [ 28.901554][ T422] __dump_stack+0x21/0x24 [ 28.905961][ T422] dump_stack_lvl+0xee/0x150 [ 28.910538][ T422] ? __cfi_dump_stack_lvl+0x8/0x8 [ 28.915548][ T422] dump_stack+0x15/0x24 [ 28.919790][ T422] should_fail_ex+0x3d4/0x520 [ 28.924477][ T422] should_fail+0xb/0x10 [ 28.928723][ T422] should_fail_usercopy+0x1a/0x20 [ 28.933788][ T422] _copy_to_user+0x1e/0x90 [ 28.938317][ T422] simple_read_from_buffer+0xe9/0x160 [ 28.943688][ T422] proc_fail_nth_read+0x19a/0x210 [ 28.948708][ T422] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 28.954244][ T422] ? security_file_permission+0x94/0xb0 [ 28.959866][ T422] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 28.965660][ T422] vfs_read+0x26e/0x8c0 [ 28.969896][ T422] ? __cfi_vfs_read+0x10/0x10 [ 28.974564][ T422] ? __fput+0x66a/0x8f0 [ 28.978800][ T422] ? blkcg_maybe_throttle_current+0x1df/0x9f0 [ 28.984854][ T422] ? __kasan_check_read+0x11/0x20 [ 28.989868][ T422] ? __fdget_pos+0x2d4/0x380 [ 28.994449][ T422] ksys_read+0x140/0x240 [ 28.998682][ T422] ? __cfi_ksys_read+0x10/0x10 [ 29.003439][ T422] ? fput+0x15b/0x1a0 [ 29.007515][ T422] ? debug_smp_processor_id+0x17/0x20 [ 29.012893][ T422] __x64_sys_read+0x7b/0x90 [ 29.017494][ T422] x64_sys_call+0x2f/0x9a0 [ 29.021914][ T422] do_syscall_64+0x4c/0xa0 [ 29.026331][ T422] ? clear_bhb_loop+0x30/0x80 [ 29.031043][ T422] ? clear_bhb_loop+0x30/0x80 [ 29.035719][ T422] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 29.041694][ T422] RIP: 0033:0x7f9e49b8e11d [ 29.046108][ T422] Code: a8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb bd e8 a8 48 00 00 0f 1f 84 00 00 00 00 00 80 3d 41 d4 22 00 00 74 17 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 5b c3 66 2e 0f 1f 84 00 00 00 00 00 48 83 ec [ 29.066183][ T422] RSP: 002b:00007ffe9c473458 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 29.074592][ T422] RAX: ffffffffffffffda RBX: 00007f9e49de5fa0 RCX: 00007f9e49b8e11d [ 29.082644][ T422] RDX: 000000000000000f RSI: 00007ffe9c4734a0 RDI: 0000000000000005 [ 29.090712][ T422] RBP: 00007ffe9c473490 R08: 0000000000000000 R09: 0000000000000000 [ 29.098682][ T422] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 29.106734][ T422] R13: 00007f9e49de5fa0 R14: 00007f9e49de5fa0 R15: 0000000000000001 [ 29.114713][ T422] [ 29.126320][ T425] FAULT_INJECTION: forcing a failure. [ 29.126320][ T425] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 29.140680][ T316] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 29.148797][ T425] CPU: 1 PID: 425 Comm: syz.6.25 Not tainted syzkaller #0 [ 29.155360][ T316] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 29.156184][ T425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 29.156195][ T425] Call Trace: [ 29.164706][ T316] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 29.174397][ T425] [ 29.174405][ T425] __dump_stack+0x21/0x24 [ 29.174431][ T425] dump_stack_lvl+0xee/0x150 [ 29.178077][ T316] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 29.185769][ T425] ? __cfi_dump_stack_lvl+0x8/0x8 [ 29.210654][ T425] dump_stack+0x15/0x24 [ 29.214815][ T425] should_fail_ex+0x3d4/0x520 [ 29.219512][ T425] should_fail+0xb/0x10 [ 29.223677][ T425] should_fail_usercopy+0x1a/0x20 [ 29.228704][ T425] _copy_to_user+0x1e/0x90 [ 29.233208][ T425] simple_read_from_buffer+0xe9/0x160 [ 29.238579][ T425] proc_fail_nth_read+0x19a/0x210 [ 29.243604][ T425] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 29.249323][ T425] ? security_file_permission+0x94/0xb0 [ 29.254868][ T425] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 29.260581][ T425] vfs_read+0x26e/0x8c0 [ 29.264738][ T425] ? __cfi_vfs_read+0x10/0x10 [ 29.269415][ T425] ? __fput+0x66a/0x8f0 [ 29.273565][ T425] ? blkcg_maybe_throttle_current+0x1df/0x9f0 [ 29.279638][ T425] ? __kasan_check_read+0x11/0x20 [ 29.284751][ T425] ? __fdget_pos+0x2d4/0x380 [ 29.289424][ T425] ksys_read+0x140/0x240 [ 29.293677][ T425] ? __cfi_ksys_read+0x10/0x10 [ 29.298442][ T425] ? fput+0x15b/0x1a0 [ 29.302421][ T425] ? debug_smp_processor_id+0x17/0x20 [ 29.307790][ T425] __x64_sys_read+0x7b/0x90 [ 29.312299][ T425] x64_sys_call+0x2f/0x9a0 [ 29.316716][ T425] do_syscall_64+0x4c/0xa0 [ 29.321134][ T425] ? clear_bhb_loop+0x30/0x80 [ 29.325813][ T425] ? clear_bhb_loop+0x30/0x80 [ 29.330578][ T425] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 29.336468][ T425] RIP: 0033:0x7f0c1c98e11d [ 29.340878][ T425] Code: a8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb bd e8 a8 48 00 00 0f 1f 84 00 00 00 00 00 80 3d 41 d4 22 00 00 74 17 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 5b c3 66 2e 0f 1f 84 00 00 00 00 00 48 83 ec [ 29.360652][ T425] RSP: 002b:00007ffc118e6c88 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 29.369225][ T425] RAX: ffffffffffffffda RBX: 00007f0c1cbe5fa0 RCX: 00007f0c1c98e11d [ 29.377222][ T425] RDX: 000000000000000f RSI: 00007ffc118e6cd0 RDI: 0000000000000005 [ 29.385198][ T425] RBP: 00007ffc118e6cc0 R08: 0000000000000000 R09: 0000000000000000 [ 29.393166][ T425] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 29.401220][ T425] R13: 00007f0c1cbe5fa0 R14: 00007f0c1cbe5fa0 R15: 0000000000000001 [ 29.409199][ T425] [ 29.414323][ T427] FAULT_INJECTION: forcing a failure. [ 29.414323][ T427] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 29.434003][ T426] FAULT_INJECTION: forcing a failure. [ 29.434003][ T426] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 29.434945][ T427] CPU: 0 PID: 427 Comm: syz.5.19 Not tainted syzkaller #0 [ 29.454511][ T427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 29.464671][ T427] Call Trace: [ 29.467968][ T427] [ 29.470988][ T427] __dump_stack+0x21/0x24 [ 29.475420][ T427] dump_stack_lvl+0xee/0x150 [ 29.480046][ T427] ? __cfi_dump_stack_lvl+0x8/0x8 [ 29.485263][ T427] dump_stack+0x15/0x24 [ 29.489419][ T427] should_fail_ex+0x3d4/0x520 [ 29.494098][ T427] should_fail+0xb/0x10 [ 29.498255][ T427] should_fail_usercopy+0x1a/0x20 [ 29.503289][ T427] _copy_to_user+0x1e/0x90 [ 29.507707][ T427] simple_read_from_buffer+0xe9/0x160 [ 29.513177][ T427] proc_fail_nth_read+0x19a/0x210 [ 29.518217][ T427] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 29.523761][ T427] ? security_file_permission+0x94/0xb0 [ 29.529320][ T427] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 29.534956][ T427] vfs_read+0x26e/0x8c0 [ 29.539191][ T427] ? __cfi_vfs_read+0x10/0x10 [ 29.543871][ T427] ? __fput+0x66a/0x8f0 [ 29.548117][ T427] ? blkcg_maybe_throttle_current+0x1df/0x9f0 [ 29.554191][ T427] ? __kasan_check_read+0x11/0x20 [ 29.559212][ T427] ? __fdget_pos+0x2d4/0x380 [ 29.563810][ T427] ksys_read+0x140/0x240 [ 29.568055][ T427] ? __cfi_ksys_read+0x10/0x10 [ 29.572916][ T427] ? fput+0x15b/0x1a0 [ 29.576905][ T427] ? debug_smp_processor_id+0x17/0x20 [ 29.582275][ T427] __x64_sys_read+0x7b/0x90 [ 29.586869][ T427] x64_sys_call+0x2f/0x9a0 [ 29.591382][ T427] do_syscall_64+0x4c/0xa0 [ 29.596079][ T427] ? clear_bhb_loop+0x30/0x80 [ 29.600758][ T427] ? clear_bhb_loop+0x30/0x80 [ 29.605447][ T427] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 29.611429][ T427] RIP: 0033:0x7fd12f58e11d [ 29.615937][ T427] Code: a8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb bd e8 a8 48 00 00 0f 1f 84 00 00 00 00 00 80 3d 41 d4 22 00 00 74 17 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 5b c3 66 2e 0f 1f 84 00 00 00 00 00 48 83 ec [ 29.635749][ T427] RSP: 002b:00007ffe5eec3da8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 29.644359][ T427] RAX: ffffffffffffffda RBX: 00007fd12f7e5fa0 RCX: 00007fd12f58e11d [ 29.652687][ T427] RDX: 000000000000000f RSI: 00007ffe5eec3df0 RDI: 0000000000000005 [ 29.660661][ T427] RBP: 00007ffe5eec3de0 R08: 0000000000000000 R09: 0000000000000000 [ 29.668717][ T427] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 29.676789][ T427] R13: 00007fd12f7e5fa0 R14: 00007fd12f7e5fa0 R15: 0000000000000001 [ 29.684883][ T427] [ 29.688024][ T426] CPU: 1 PID: 426 Comm: syz.0.26 Not tainted syzkaller #0 [ 29.695270][ T426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 29.705369][ T426] Call Trace: [ 29.708663][ T426] [ 29.711605][ T426] __dump_stack+0x21/0x24 [ 29.715945][ T426] dump_stack_lvl+0xee/0x150 [ 29.720539][ T426] ? __cfi_dump_stack_lvl+0x8/0x8 [ 29.725581][ T426] dump_stack+0x15/0x24 [ 29.729762][ T426] should_fail_ex+0x3d4/0x520 [ 29.734452][ T426] should_fail+0xb/0x10 [ 29.738620][ T426] should_fail_usercopy+0x1a/0x20 [ 29.743743][ T426] _copy_to_user+0x1e/0x90 [ 29.748161][ T426] simple_read_from_buffer+0xe9/0x160 [ 29.753631][ T426] proc_fail_nth_read+0x19a/0x210 [ 29.758675][ T426] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 29.764323][ T426] ? security_file_permission+0x94/0xb0 [ 29.770013][ T426] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 29.775582][ T426] vfs_read+0x26e/0x8c0 [ 29.779758][ T426] ? __cfi_vfs_read+0x10/0x10 [ 29.784444][ T426] ? __fput+0x66a/0x8f0 [ 29.788689][ T426] ? blkcg_maybe_throttle_current+0x1df/0x9f0 [ 29.794764][ T426] ? __kasan_check_read+0x11/0x20 [ 29.799791][ T426] ? __fdget_pos+0x2d4/0x380 [ 29.804395][ T426] ksys_read+0x140/0x240 [ 29.808664][ T426] ? __cfi_ksys_read+0x10/0x10 [ 29.813862][ T426] ? fput+0x15b/0x1a0 [ 29.817877][ T426] ? debug_smp_processor_id+0x17/0x20 [ 29.823247][ T426] __x64_sys_read+0x7b/0x90 [ 29.827849][ T426] x64_sys_call+0x2f/0x9a0 [ 29.832290][ T426] do_syscall_64+0x4c/0xa0 [ 29.836727][ T426] ? clear_bhb_loop+0x30/0x80 [ 29.841422][ T426] ? clear_bhb_loop+0x30/0x80 [ 29.846121][ T426] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 29.852026][ T426] RIP: 0033:0x7f9e49b8e11d [ 29.856450][ T426] Code: a8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb bd e8 a8 48 00 00 0f 1f 84 00 00 00 00 00 80 3d 41 d4 22 00 00 74 17 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 5b c3 66 2e 0f 1f 84 00 00 00 00 00 48 83 ec [ 29.876319][ T426] RSP: 002b:00007ffe9c473458 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 29.884999][ T426] RAX: ffffffffffffffda RBX: 00007f9e49de5fa0 RCX: 00007f9e49b8e11d [ 29.892967][ T426] RDX: 000000000000000f RSI: 00007ffe9c4734a0 RDI: 0000000000000005 [ 29.900941][ T426] RBP: 00007ffe9c473490 R08: 0000000000000000 R09: 0000000000000000 [ 29.909101][ T426] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 29.918730][ T426] R13: 00007f9e49de5fa0 R14: 00007f9e49de5fa0 R15: 0000000000000001 [ 29.926710][ T426] [ 29.948750][ T428] FAULT_INJECTION: forcing a failure. [ 29.948750][ T428] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 29.973529][ T430] FAULT_INJECTION: forcing a failure. [ 29.973529][ T430] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 29.980891][ T428] CPU: 1 PID: 428 Comm: syz.6.27 Not tainted syzkaller #0 [ 29.993781][ T428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 30.003854][ T428] Call Trace: [ 30.007146][ T428] [ 30.010085][ T428] __dump_stack+0x21/0x24 [ 30.014520][ T428] dump_stack_lvl+0xee/0x150 [ 30.019134][ T428] ? __cfi_dump_stack_lvl+0x8/0x8 [ 30.024171][ T428] dump_stack+0x15/0x24 [ 30.028337][ T428] should_fail_ex+0x3d4/0x520 [ 30.033020][ T428] should_fail+0xb/0x10 [ 30.037252][ T428] should_fail_usercopy+0x1a/0x20 [ 30.042279][ T428] _copy_to_user+0x1e/0x90 [ 30.046701][ T428] simple_read_from_buffer+0xe9/0x160 [ 30.052169][ T428] proc_fail_nth_read+0x19a/0x210 [ 30.057202][ T428] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 30.062746][ T428] ? security_file_permission+0x94/0xb0 [ 30.068298][ T428] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 30.073931][ T428] vfs_read+0x26e/0x8c0 [ 30.078184][ T428] ? __cfi_vfs_read+0x10/0x10 [ 30.082866][ T428] ? __fput+0x66a/0x8f0 [ 30.087130][ T428] ? blkcg_maybe_throttle_current+0x1df/0x9f0 [ 30.093203][ T428] ? __kasan_check_read+0x11/0x20 [ 30.098313][ T428] ? __fdget_pos+0x2d4/0x380 [ 30.102903][ T428] ksys_read+0x140/0x240 [ 30.107232][ T428] ? __cfi_ksys_read+0x10/0x10 [ 30.112027][ T428] ? fput+0x15b/0x1a0 [ 30.116016][ T428] ? debug_smp_processor_id+0x17/0x20 [ 30.121481][ T428] __x64_sys_read+0x7b/0x90 [ 30.125990][ T428] x64_sys_call+0x2f/0x9a0 [ 30.130413][ T428] do_syscall_64+0x4c/0xa0 [ 30.134930][ T428] ? clear_bhb_loop+0x30/0x80 [ 30.139626][ T428] ? clear_bhb_loop+0x30/0x80 [ 30.144409][ T428] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 30.150308][ T428] RIP: 0033:0x7f0c1c98e11d [ 30.154817][ T428] Code: a8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb bd e8 a8 48 00 00 0f 1f 84 00 00 00 00 00 80 3d 41 d4 22 00 00 74 17 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 5b c3 66 2e 0f 1f 84 00 00 00 00 00 48 83 ec [ 30.174600][ T428] RSP: 002b:00007ffc118e6c88 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 30.183224][ T428] RAX: ffffffffffffffda RBX: 00007f0c1cbe5fa0 RCX: 00007f0c1c98e11d [ 30.191315][ T428] RDX: 000000000000000f RSI: 00007ffc118e6cd0 RDI: 0000000000000005 [ 30.199392][ T428] RBP: 00007ffc118e6cc0 R08: 0000000000000000 R09: 0000000000000000 [ 30.207466][ T428] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 30.215610][ T428] R13: 00007f0c1cbe5fa0 R14: 00007f0c1cbe5fa0 R15: 0000000000000001 [ 30.223586][ T428] [ 30.226608][ T430] CPU: 0 PID: 430 Comm: syz.4.21 Not tainted syzkaller #0 [ 30.233740][ T430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 30.243900][ T430] Call Trace: [ 30.247176][ T430] [ 30.250100][ T430] __dump_stack+0x21/0x24 [ 30.254426][ T430] dump_stack_lvl+0xee/0x150 [ 30.259000][ T430] ? __cfi_dump_stack_lvl+0x8/0x8 [ 30.264104][ T430] dump_stack+0x15/0x24 [ 30.268282][ T430] should_fail_ex+0x3d4/0x520 [ 30.272967][ T430] should_fail+0xb/0x10 [ 30.277114][ T430] should_fail_usercopy+0x1a/0x20 [ 30.282183][ T430] _copy_to_user+0x1e/0x90 [ 30.286677][ T430] simple_read_from_buffer+0xe9/0x160 [ 30.292066][ T430] proc_fail_nth_read+0x19a/0x210 [ 30.297251][ T430] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 30.302866][ T430] ? security_file_permission+0x94/0xb0 [ 30.308491][ T430] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 30.314113][ T430] vfs_read+0x26e/0x8c0 [ 30.318260][ T430] ? __cfi_vfs_read+0x10/0x10 [ 30.322932][ T430] ? __fput+0x66a/0x8f0 [ 30.327100][ T430] ? blkcg_maybe_throttle_current+0x1df/0x9f0 [ 30.333243][ T430] ? __kasan_check_read+0x11/0x20 [ 30.338350][ T430] ? __fdget_pos+0x2d4/0x380 [ 30.342927][ T430] ksys_read+0x140/0x240 [ 30.347162][ T430] ? __cfi_ksys_read+0x10/0x10 [ 30.351914][ T430] ? fput+0x15b/0x1a0 [ 30.355906][ T430] ? debug_smp_processor_id+0x17/0x20 [ 30.361358][ T430] __x64_sys_read+0x7b/0x90 [ 30.366069][ T430] x64_sys_call+0x2f/0x9a0 [ 30.370576][ T430] do_syscall_64+0x4c/0xa0 [ 30.375057][ T430] ? clear_bhb_loop+0x30/0x80 [ 30.379733][ T430] ? clear_bhb_loop+0x30/0x80 [ 30.384417][ T430] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 30.390466][ T430] RIP: 0033:0x7f9ffdf8e11d [ 30.394892][ T430] Code: a8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb bd e8 a8 48 00 00 0f 1f 84 00 00 00 00 00 80 3d 41 d4 22 00 00 74 17 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 5b c3 66 2e 0f 1f 84 00 00 00 00 00 48 83 ec [ 30.414852][ T430] RSP: 002b:00007fff44109748 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 30.423437][ T430] RAX: ffffffffffffffda RBX: 00007f9ffe1e5fa0 RCX: 00007f9ffdf8e11d [ 30.431403][ T430] RDX: 000000000000000f RSI: 00007fff44109790 RDI: 0000000000000005 [ 30.439457][ T430] RBP: 00007fff44109780 R08: 0000000000000000 R09: 0000000000000000 [ 30.447549][ T430] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 30.455805][ T430] R13: 00007f9ffe1e5fa0 R14: 00007f9ffe1e5fa0 R15: 0000000000000001 [ 30.463873][ T430] [ 30.475040][ T8] device bridge_slave_1 left promiscuous mode [ 30.481779][ T432] FAULT_INJECTION: forcing a failure. [ 30.481779][ T432] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 30.487499][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 30.500911][ T432] CPU: 1 PID: 432 Comm: syz.0.29 Not tainted syzkaller #0 [ 30.509085][ T432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 30.519330][ T432] Call Trace: [ 30.522610][ T432] [ 30.525674][ T432] __dump_stack+0x21/0x24 [ 30.530012][ T432] dump_stack_lvl+0xee/0x150 [ 30.534784][ T432] ? __cfi_dump_stack_lvl+0x8/0x8 [ 30.539813][ T432] dump_stack+0x15/0x24 [ 30.543974][ T432] should_fail_ex+0x3d4/0x520 [ 30.548741][ T432] should_fail+0xb/0x10 [ 30.552911][ T432] should_fail_usercopy+0x1a/0x20 [ 30.558063][ T432] _copy_to_user+0x1e/0x90 [ 30.562476][ T432] simple_read_from_buffer+0xe9/0x160 [ 30.567978][ T432] proc_fail_nth_read+0x19a/0x210 [ 30.573147][ T432] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 30.579024][ T432] ? security_file_permission+0x94/0xb0 [ 30.584605][ T432] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 30.590233][ T432] vfs_read+0x26e/0x8c0 [ 30.594463][ T432] ? __cfi_vfs_read+0x10/0x10 [ 30.599352][ T432] ? __fput+0x66a/0x8f0 [ 30.603706][ T432] ? blkcg_maybe_throttle_current+0x1df/0x9f0 [ 30.609780][ T432] ? __kasan_check_read+0x11/0x20 [ 30.614984][ T432] ? __fdget_pos+0x2d4/0x380 [ 30.619653][ T432] ksys_read+0x140/0x240 [ 30.623905][ T432] ? __cfi_ksys_read+0x10/0x10 [ 30.628696][ T432] ? fput+0x15b/0x1a0 [ 30.632985][ T432] ? debug_smp_processor_id+0x17/0x20 [ 30.638369][ T432] __x64_sys_read+0x7b/0x90 [ 30.642886][ T432] x64_sys_call+0x2f/0x9a0 [ 30.647291][ T432] do_syscall_64+0x4c/0xa0 [ 30.651712][ T432] ? clear_bhb_loop+0x30/0x80 [ 30.656380][ T432] ? clear_bhb_loop+0x30/0x80 [ 30.661046][ T432] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 30.666950][ T432] RIP: 0033:0x7f9e49b8e11d [ 30.671400][ T432] Code: a8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb bd e8 a8 48 00 00 0f 1f 84 00 00 00 00 00 80 3d 41 d4 22 00 00 74 17 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 5b c3 66 2e 0f 1f 84 00 00 00 00 00 48 83 ec [ 30.691004][ T432] RSP: 002b:00007ffe9c473458 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 30.699502][ T432] RAX: ffffffffffffffda RBX: 00007f9e49de5fa0 RCX: 00007f9e49b8e11d [ 30.707555][ T432] RDX: 000000000000000f RSI: 00007ffe9c4734a0 RDI: 0000000000000005 [ 30.715616][ T432] RBP: 00007ffe9c473490 R08: 0000000000000000 R09: 0000000000000000 [ 30.723607][ T432] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 30.731666][ T432] R13: 00007f9e49de5fa0 R14: 00007f9e49de5fa0 R15: 0000000000000001 [ 30.739725][ T432] [ 30.745765][ T431] FAULT_INJECTION: forcing a failure. [ 30.745765][ T431] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 30.760176][ T431] CPU: 1 PID: 431 Comm: syz.5.28 Not tainted syzkaller #0 [ 30.763101][ T8] device bridge_slave_0 left promiscuous mode [ 30.767410][ T431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 30.767422][ T431] Call Trace: [ 30.767427][ T431] [ 30.767433][ T431] __dump_stack+0x21/0x24 [ 30.767461][ T431] dump_stack_lvl+0xee/0x150 [ 30.767480][ T431] ? __cfi_dump_stack_lvl+0x8/0x8 [ 30.767500][ T431] dump_stack+0x15/0x24 [ 30.767517][ T431] should_fail_ex+0x3d4/0x520 [ 30.767542][ T431] should_fail+0xb/0x10 [ 30.767563][ T431] should_fail_usercopy+0x1a/0x20 [ 30.767586][ T431] _copy_to_user+0x1e/0x90 [ 30.774044][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 30.783716][ T431] simple_read_from_buffer+0xe9/0x160 [ 30.783740][ T431] proc_fail_nth_read+0x19a/0x210 [ 30.783759][ T431] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 30.850447][ T431] ? security_file_permission+0x94/0xb0 [ 30.855997][ T431] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 30.861638][ T431] vfs_read+0x26e/0x8c0 [ 30.865796][ T431] ? __cfi_vfs_read+0x10/0x10 [ 30.870479][ T431] ? __fput+0x66a/0x8f0 [ 30.874639][ T431] ? blkcg_maybe_throttle_current+0x1df/0x9f0 [ 30.880714][ T431] ? __kasan_check_read+0x11/0x20 [ 30.885813][ T431] ? __fdget_pos+0x2d4/0x380 [ 30.890395][ T431] ksys_read+0x140/0x240 [ 30.894629][ T431] ? __cfi_ksys_read+0x10/0x10 [ 30.899467][ T431] ? fput+0x15b/0x1a0 [ 30.903613][ T431] ? debug_smp_processor_id+0x17/0x20 [ 30.908971][ T431] __x64_sys_read+0x7b/0x90 [ 30.913477][ T431] x64_sys_call+0x2f/0x9a0 [ 30.917971][ T431] do_syscall_64+0x4c/0xa0 [ 30.922379][ T431] ? clear_bhb_loop+0x30/0x80 [ 30.927393][ T431] ? clear_bhb_loop+0x30/0x80 [ 30.932065][ T431] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 30.937954][ T431] RIP: 0033:0x7fd12f58e11d [ 30.942361][ T431] Code: a8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb bd e8 a8 48 00 00 0f 1f 84 00 00 00 00 00 80 3d 41 d4 22 00 00 74 17 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 5b c3 66 2e 0f 1f 84 00 00 00 00 00 48 83 ec [ 30.962135][ T431] RSP: 002b:00007ffe5eec3da8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 30.970897][ T431] RAX: ffffffffffffffda RBX: 00007fd12f7e5fa0 RCX: 00007fd12f58e11d [ 30.978949][ T431] RDX: 000000000000000f RSI: 00007ffe5eec3df0 RDI: 0000000000000005 [ 30.987018][ T431] RBP: 00007ffe5eec3de0 R08: 0000000000000000 R09: 0000000000000000 [ 30.995073][ T431] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 31.003133][ T431] R13: 00007fd12f7e5fa0 R14: 00007fd12f7e5fa0 R15: 0000000000000001 [ 31.011109][ T431] [ 31.016462][ T433] FAULT_INJECTION: forcing a failure. [ 31.016462][ T433] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 31.030640][ T433] CPU: 0 PID: 433 Comm: syz.6.30 Not tainted syzkaller #0 [ 31.037890][ T433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 31.047961][ T433] Call Trace: [ 31.051237][ T433] 2025/12/13 15:30:03 executed programs: 26 [ 31.054155][ T433] __dump_stack+0x21/0x24 [ 31.058484][ T433] dump_stack_lvl+0xee/0x150 [ 31.063204][ T433] ? __cfi_dump_stack_lvl+0x8/0x8 [ 31.068322][ T433] dump_stack+0x15/0x24 [ 31.072479][ T433] should_fail_ex+0x3d4/0x520 [ 31.077422][ T433] should_fail+0xb/0x10 [ 31.081585][ T433] should_fail_usercopy+0x1a/0x20 [ 31.086779][ T433] _copy_to_user+0x1e/0x90 [ 31.091232][ T433] simple_read_from_buffer+0xe9/0x160 [ 31.096851][ T433] proc_fail_nth_read+0x19a/0x210 [ 31.101883][ T433] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 31.107457][ T433] ? security_file_permission+0x94/0xb0 [ 31.113174][ T433] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 31.118800][ T433] vfs_read+0x26e/0x8c0 [ 31.122974][ T433] ? __cfi_vfs_read+0x10/0x10 [ 31.127684][ T433] ? __fput+0x66a/0x8f0 [ 31.131839][ T433] ? blkcg_maybe_throttle_current+0x1df/0x9f0 [ 31.137922][ T433] ? __kasan_check_read+0x11/0x20 [ 31.143028][ T433] ? __fdget_pos+0x2d4/0x380 [ 31.147608][ T433] ksys_read+0x140/0x240 [ 31.151952][ T433] ? __cfi_ksys_read+0x10/0x10 [ 31.156797][ T433] ? fput+0x15b/0x1a0 [ 31.160855][ T433] ? debug_smp_processor_id+0x17/0x20 [ 31.166226][ T433] __x64_sys_read+0x7b/0x90 [ 31.170757][ T433] x64_sys_call+0x2f/0x9a0 [ 31.175266][ T433] do_syscall_64+0x4c/0xa0 [ 31.179763][ T433] ? clear_bhb_loop+0x30/0x80 [ 31.184459][ T433] ? clear_bhb_loop+0x30/0x80 [ 31.189149][ T433] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 31.195032][ T433] RIP: 0033:0x7f0c1c98e11d [ 31.199437][ T433] Code: a8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb bd e8 a8 48 00 00 0f 1f 84 00 00 00 00 00 80 3d 41 d4 22 00 00 74 17 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 5b c3 66 2e 0f 1f 84 00 00 00 00 00 48 83 ec [ 31.219043][ T433] RSP: 002b:00007ffc118e6c88 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 31.227458][ T433] RAX: ffffffffffffffda RBX: 00007f0c1cbe5fa0 RCX: 00007f0c1c98e11d [ 31.235428][ T433] RDX: 000000000000000f RSI: 00007ffc118e6cd0 RDI: 0000000000000005 [ 31.243426][ T433] RBP: 00007ffc118e6cc0 R08: 0000000000000000 R09: 0000000000000000 [ 31.251478][ T433] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 31.259441][ T433] R13: 00007f0c1cbe5fa0 R14: 00007f0c1cbe5fa0 R15: 0000000000000001 [ 31.267418][ T433] [ 31.272798][ T8] device veth1_macvtap left promiscuous mode [ 31.279138][ T8] device veth0_vlan left promiscuous mode [ 31.285414][ T435] FAULT_INJECTION: forcing a failure. [ 31.285414][ T435] name failslab, interval 1, probability 0, space 0, times 1 [ 31.298542][ T435] CPU: 0 PID: 435 Comm: syz.3.20 Not tainted syzkaller #0 [ 31.305779][ T435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 31.315858][ T435] Call Trace: [ 31.319156][ T435] [ 31.322084][ T435] __dump_stack+0x21/0x24 [ 31.326484][ T435] dump_stack_lvl+0xee/0x150 [ 31.331067][ T435] ? __cfi_dump_stack_lvl+0x8/0x8 [ 31.336263][ T435] ? unwind_get_return_address+0x4d/0x90 [ 31.341893][ T435] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 31.348049][ T435] dump_stack+0x15/0x24 [ 31.352221][ T435] should_fail_ex+0x3d4/0x520 [ 31.356990][ T435] __should_failslab+0xac/0xf0 [ 31.361786][ T435] ? tracepoint_probe_unregister+0x1e6/0x8b0 [ 31.367756][ T435] should_failslab+0x9/0x20 [ 31.372246][ T435] __kmem_cache_alloc_node+0x3d/0x2c0 [ 31.377609][ T435] ? __cfi_mutex_lock+0x10/0x10 [ 31.382452][ T435] ? delete_node+0x3dc/0xa60 [ 31.387055][ T435] ? tracepoint_probe_unregister+0x1e6/0x8b0 [ 31.393027][ T435] __kmalloc+0xa1/0x1e0 [ 31.397227][ T435] ? __cfi___bpf_trace_hrtimer_init+0x10/0x10 [ 31.403289][ T435] tracepoint_probe_unregister+0x1e6/0x8b0 [ 31.409088][ T435] bpf_probe_unregister+0x61/0x70 [ 31.414107][ T435] bpf_raw_tp_link_release+0x63/0x90 [ 31.419380][ T435] bpf_link_free+0x13a/0x390 [ 31.423983][ T435] ? bpf_link_put_deferred+0x20/0x20 [ 31.429289][ T435] bpf_link_release+0x15f/0x170 [ 31.434145][ T435] ? __cfi_bpf_link_release+0x10/0x10 [ 31.439597][ T435] __fput+0x1fc/0x8f0 [ 31.443575][ T435] ____fput+0x15/0x20 [ 31.447546][ T435] task_work_run+0x1db/0x240 [ 31.452127][ T435] ? __cfi_task_work_run+0x10/0x10 [ 31.457343][ T435] ? fput+0x15b/0x1a0 [ 31.461410][ T435] exit_to_user_mode_loop+0x9b/0xb0 [ 31.466619][ T435] exit_to_user_mode_prepare+0x87/0xd0 [ 31.472240][ T435] syscall_exit_to_user_mode+0x1a/0x30 [ 31.477801][ T435] do_syscall_64+0x58/0xa0 [ 31.482254][ T435] ? clear_bhb_loop+0x30/0x80 [ 31.487045][ T435] ? clear_bhb_loop+0x30/0x80 [ 31.491901][ T435] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 31.497887][ T435] RIP: 0033:0x7ff899b8f749 [ 31.502400][ T435] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 [ 31.522531][ T435] RSP: 002b:00007ffccaf586c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 31.531223][ T435] RAX: 0000000000000000 RBX: 00007ff899de5fa0 RCX: 00007ff899b8f749 [ 31.539191][ T435] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 31.547153][ T435] RBP: 00007ffccaf58720 R08: 0000000000000000 R09: 0000000000000000 [ 31.555149][ T435] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 31.563376][ T435] R13: 00007ff899de5fa0 R14: 00007ff899de5fa0 R15: 0000000000000001 [ 31.571450][ T435] [ 31.577909][ T436] FAULT_INJECTION: forcing a failure. [ 31.577909][ T436] name failslab, interval 1, probability 0, space 0, times 0 [ 31.590871][ T436] CPU: 1 PID: 436 Comm: syz.0.32 Not tainted syzkaller #0 [ 31.597998][ T436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 31.608164][ T436] Call Trace: [ 31.611472][ T436] [ 31.614439][ T436] __dump_stack+0x21/0x24 [ 31.618966][ T436] dump_stack_lvl+0xee/0x150 [ 31.623563][ T436] ? __cfi_dump_stack_lvl+0x8/0x8 [ 31.628672][ T436] ? unwind_get_return_address+0x4d/0x90 [ 31.634524][ T436] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 31.640766][ T436] dump_stack+0x15/0x24 [ 31.644920][ T436] should_fail_ex+0x3d4/0x520 [ 31.649684][ T436] __should_failslab+0xac/0xf0 [ 31.654455][ T436] ? tracepoint_probe_unregister+0x1e6/0x8b0 [ 31.660436][ T436] should_failslab+0x9/0x20 [ 31.665196][ T436] __kmem_cache_alloc_node+0x3d/0x2c0 [ 31.670569][ T436] ? __cfi_mutex_lock+0x10/0x10 [ 31.675428][ T436] ? delete_node+0x3e6/0xa60 [ 31.680113][ T436] ? tracepoint_probe_unregister+0x1e6/0x8b0 [ 31.686181][ T436] __kmalloc+0xa1/0x1e0 [ 31.690337][ T436] ? __cfi___bpf_trace_hrtimer_init+0x10/0x10 [ 31.696412][ T436] tracepoint_probe_unregister+0x1e6/0x8b0 [ 31.702220][ T436] bpf_probe_unregister+0x61/0x70 [ 31.707247][ T436] bpf_raw_tp_link_release+0x63/0x90 [ 31.712536][ T436] bpf_link_free+0x13a/0x390 [ 31.717124][ T436] ? bpf_link_put_deferred+0x20/0x20 [ 31.722411][ T436] bpf_link_release+0x15f/0x170 [ 31.727252][ T436] ? __cfi_bpf_link_release+0x10/0x10 [ 31.732624][ T436] __fput+0x1fc/0x8f0 [ 31.736623][ T436] ____fput+0x15/0x20 [ 31.740601][ T436] task_work_run+0x1db/0x240 [ 31.745190][ T436] ? __cfi_task_work_run+0x10/0x10 [ 31.750387][ T436] ? fput+0x15b/0x1a0 [ 31.754385][ T436] exit_to_user_mode_loop+0x9b/0xb0 [ 31.759675][ T436] exit_to_user_mode_prepare+0x87/0xd0 [ 31.765236][ T436] syscall_exit_to_user_mode+0x1a/0x30 [ 31.770710][ T436] do_syscall_64+0x58/0xa0 [ 31.775134][ T436] ? clear_bhb_loop+0x30/0x80 [ 31.779909][ T436] ? clear_bhb_loop+0x30/0x80 [ 31.784601][ T436] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 31.790545][ T436] RIP: 0033:0x7f9e49b8f749 [ 31.794966][ T436] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 [ 31.814581][ T436] RSP: 002b:00007ffe9c473438 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 31.822998][ T436] RAX: 0000000000000000 RBX: 00007f9e49de5fa0 RCX: 00007f9e49b8f749 [ 31.831061][ T436] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 31.839116][ T436] RBP: 00007ffe9c473490 R08: 0000000000000000 R09: 0000000000000000 [ 31.847258][ T436] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 31.855413][ T436] R13: 00007f9e49de5fa0 R14: 00007f9e49de5fa0 R15: 0000000000000001 [ 31.863477][ T436] [ 31.874188][ T368] CFI failure at __traceiter_hrtimer_init+0x82/0xd0 (target: tp_stub_func+0x0/0x10; expected type: 0x98398cdb) [ 31.877606][ T284] CFI failure at __traceiter_hrtimer_init+0x82/0xd0 (target: tp_stub_func+0x0/0x10; expected type: 0x98398cdb) [ 31.886264][ T368] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 31.904090][ T368] CPU: 0 PID: 368 Comm: syz-executor Not tainted syzkaller #0 [ 31.911532][ T368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 31.921753][ T368] RIP: 0010:__traceiter_hrtimer_init+0x82/0xd0 [ 31.928392][ T368] Code: 89 f8 48 c1 e8 03 80 3c 18 00 74 05 e8 27 65 53 00 49 8b 7d 08 4c 89 fe 8b 55 d4 8b 4d d0 41 ba 25 73 c6 67 45 03 56 fc 74 02 <0f> 0b 41 ff d6 49 83 c4 18 4c 89 e0 48 c1 e8 03 80 3c 18 00 74 08 [ 31.948343][ T368] RSP: 0018:ffffc90000ea7cc0 EFLAGS: 00010213 [ 31.954524][ T368] RAX: 1ffff11023273c69 RBX: dffffc0000000000 RCX: 0000000000000006 [ 31.962673][ T368] RDX: 0000000000000001 RSI: ffff88810920afb8 RDI: ffffc90000e99000 [ 31.970632][ T368] RBP: ffffc90000ea7cf0 R08: dffffc0000000000 R09: ffffed102000aa97 [ 31.978612][ T368] R10: 000000000d06da31 R11: 1ffff1102000aa96 R12: ffff88811939e340 [ 31.986666][ T368] R13: ffff88811939e340 R14: ffffffff81714610 R15: ffff88810920afb8 [ 31.994625][ T368] FS: 0000555588b4a500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 32.003539][ T368] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.010377][ T368] CR2: 00007ffe9c471e68 CR3: 000000012dea6000 CR4: 00000000003506b0 [ 32.018359][ T368] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 32.026365][ T368] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 32.034600][ T368] Call Trace: [ 32.037955][ T368] [ 32.040888][ T368] hrtimer_init+0x2d9/0x330 [ 32.045469][ T368] ? inet_csk_init_xmit_timers+0x6a/0xd0 [ 32.051087][ T368] tcp_init_xmit_timers+0x4c/0xb0 [ 32.056208][ T368] tcp_init_sock+0x71/0x830 [ 32.060698][ T368] tcp_v4_init_sock+0x15/0x50 [ 32.065406][ T368] inet_create+0xb63/0xf70 [ 32.069843][ T368] __sock_create+0x39e/0x7c0 [ 32.074511][ T368] __sys_socket+0xcd/0x1a0 [ 32.078934][ T368] __x64_sys_socket+0x7a/0x90 [ 32.083694][ T368] x64_sys_call+0x449/0x9a0 [ 32.088187][ T368] do_syscall_64+0x4c/0xa0 [ 32.092588][ T368] ? clear_bhb_loop+0x30/0x80 [ 32.097346][ T368] ? clear_bhb_loop+0x30/0x80 [ 32.102105][ T368] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 32.108175][ T368] RIP: 0033:0x7f9e49b91667 [ 32.112662][ T368] Code: f0 ff ff 77 06 c3 0f 1f 44 00 00 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 32.132254][ T368] RSP: 002b:00007ffe9c473028 EFLAGS: 00000206 ORIG_RAX: 0000000000000029 [ 32.140666][ T368] RAX: ffffffffffffffda RBX: 00007f9e49db4300 RCX: 00007f9e49b91667 [ 32.148632][ T368] RDX: 0000000000000006 RSI: 0000000000000001 RDI: 0000000000000002 [ 32.156587][ T368] RBP: 00007ffe9c47374c R08: 000000000000000a R09: 00007ffe9c473457 [ 32.164551][ T368] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000007 [ 32.172593][ T368] R13: 00000000000927c0 R14: 0000000000000000 R15: 00007ffe9c4737a0 [ 32.180728][ T368] [ 32.183732][ T368] Modules linked in: [ 32.187652][ T284] invalid opcode: 0000 [#2] PREEMPT SMP KASAN [ 32.188167][ T368] ---[ end trace 0000000000000000 ]--- [ 32.193733][ T284] CPU: 1 PID: 284 Comm: syz-execprog Tainted: G D syzkaller #0 [ 32.199399][ T368] RIP: 0010:__traceiter_hrtimer_init+0x82/0xd0 [ 32.208133][ T284] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 32.208144][ T284] RIP: 0010:__traceiter_hrtimer_init+0x82/0xd0 [ 32.208165][ T284] Code: 89 f8 48 c1 e8 03 80 3c 18 00 74 05 e8 27 65 53 00 49 8b 7d 08 4c 89 fe 8b 55 d4 8b 4d d0 41 ba 25 73 c6 67 45 03 56 fc 74 02 <0f> 0b 41 ff d6 49 83 c4 18 4c 89 e0 48 c1 e8 03 80 3c 18 00 74 08 [ 32.214302][ T368] Code: 89 f8 48 c1 e8 03 80 3c 18 00 74 05 e8 27 65 53 00 49 8b 7d 08 4c 89 fe 8b 55 d4 8b 4d d0 41 ba 25 73 c6 67 45 03 56 fc 74 02 <0f> 0b 41 ff d6 49 83 c4 18 4c 89 e0 48 c1 e8 03 80 3c 18 00 74 08 [ 32.224434][ T284] RSP: 0018:ffffc90000e37a40 EFLAGS: 00010213 [ 32.224454][ T284] RAX: 1ffff11023273c69 RBX: dffffc0000000000 RCX: 0000000000000000 [ 32.224467][ T284] RDX: 0000000000000001 RSI: ffffc90000e37b80 RDI: ffffc90000e99000 [ 32.230613][ T368] RSP: 0018:ffffc90000ea7cc0 EFLAGS: 00010213 [ 32.250191][ T284] RBP: ffffc90000e37a70 R08: dffffc0000000000 R09: ffffed102002eb97 [ 32.250206][ T284] R10: 000000000d06da31 R11: 1ffff1102002eb96 R12: ffff88811939e340 [ 32.250225][ T284] R13: ffff88811939e340 R14: ffffffff81714610 R15: ffffc90000e37b80 [ 32.269840][ T368] [ 32.275907][ T284] FS: 000000c00007c098(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 32.283886][ T368] RAX: 1ffff11023273c69 RBX: dffffc0000000000 RCX: 0000000000000006 [ 32.291834][ T284] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.291849][ T284] CR2: 00007ffc118e6e38 CR3: 000000012447b000 CR4: 00000000003506a0 [ 32.297915][ T368] RDX: 0000000000000001 RSI: ffff88810920afb8 RDI: ffffc90000e99000 [ 32.305867][ T284] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 32.313845][ T368] RBP: ffffc90000ea7cf0 R08: dffffc0000000000 R09: ffffed102000aa97 [ 32.321787][ T284] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 32.321801][ T284] Call Trace: [ 32.321807][ T284] [ 32.321815][ T284] hrtimer_init_sleeper+0x320/0x370 [ 32.324160][ T368] R10: 000000000d06da31 R11: 1ffff1102000aa96 R12: ffff88811939e340 [ 32.333168][ T284] futex_setup_timer+0x4a/0xc0 [ 32.341201][ T368] R13: ffff88811939e340 R14: ffffffff81714610 R15: ffff88810920afb8 [ 32.348014][ T284] futex_wait+0x135/0x750 [ 32.348032][ T284] ? tick_program_event+0xa3/0x120 [ 32.348063][ T284] ? __cfi_futex_wait+0x10/0x10 [ 32.348082][ T284] ? __sched_text_start+0x8/0x8 [ 32.348103][ T284] ? hrtimer_start_range_ns+0xada/0xc10 [ 32.348127][ T284] ? do_nanosleep+0x43d/0x590 [ 32.348144][ T284] do_futex+0x2dc/0x420 [ 32.348158][ T284] ? _copy_from_user+0x8f/0xc0 [ 32.356126][ T368] FS: 0000555588b4a500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 32.364089][ T284] ? __cfi_do_futex+0x10/0x10 [ 32.364107][ T284] __se_sys_futex+0x273/0x2e0 [ 32.372180][ T368] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.380116][ T284] ? __x64_sys_futex+0x100/0x100 [ 32.380134][ T284] ? xfd_validate_state+0x70/0x150 [ 32.380156][ T284] ? __kasan_check_write+0x14/0x20 [ 32.388333][ T368] CR2: 00007ffe9c471e68 CR3: 000000012dea6000 CR4: 00000000003506b0 [ 32.391604][ T284] __x64_sys_futex+0xe5/0x100 [ 32.394619][ T368] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 32.399796][ T284] x64_sys_call+0x7ec/0x9a0 [ 32.399818][ T284] do_syscall_64+0x4c/0xa0 [ 32.407889][ T368] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 32.412666][ T284] ? clear_bhb_loop+0x30/0x80 [ 32.420752][ T368] Kernel panic - not syncing: Fatal exception [ 32.425136][ T284] ? clear_bhb_loop+0x30/0x80 [ 32.425159][ T284] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 32.425179][ T284] RIP: 0033:0x4800c3 [ 32.425193][ T284] Code: 24 20 c3 cc cc cc cc 48 8b 7c 24 08 8b 74 24 10 8b 54 24 14 4c 8b 54 24 18 4c 8b 44 24 20 44 8b 4c 24 28 b8 ca 00 00 00 0f 05 <89> 44 24 30 c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc [ 32.425205][ T284] RSP: 002b:000000c00005de80 EFLAGS: 00000206 ORIG_RAX: 00000000000000ca [ 32.425233][ T284] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004800c3 [ 32.425244][ T284] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 0000000003267620 [ 32.425254][ T284] RBP: 000000c00005dec8 R08: 0000000000000000 R09: 0000000000000000 [ 32.425264][ T284] R10: 000000c00005deb8 R11: 0000000000000206 R12: 000000c00005deb8 [ 32.425275][ T284] R13: 000000c00007c008 R14: 000000c000002700 R15: 000000c000002700 [ 32.425289][ T284] [ 32.425295][ T284] Modules linked in: [ 32.430618][ T368] Kernel Offset: disabled [ 32.643108][ T368] Rebooting in 86400 seconds..