Warning: Permanently added '10.128.0.250' (ED25519) to the list of known hosts. 2026/02/16 19:43:56 parsed 1 programs [ 48.027912][ T28] audit: type=1400 audit(1771271037.925:106): avc: denied { unlink } for pid=404 comm="syz-executor" name="swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 48.095150][ T404] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 48.979651][ T28] audit: type=1400 audit(1771271038.875:107): avc: denied { create } for pid=430 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bluetooth_socket permissive=1 [ 49.280484][ T28] audit: type=1401 audit(1771271039.175:108): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768" [ 49.416977][ T442] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.424119][ T442] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.432168][ T442] device bridge_slave_0 entered promiscuous mode [ 49.447532][ T442] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.454603][ T442] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.462552][ T442] device bridge_slave_1 entered promiscuous mode [ 49.608364][ T442] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.615488][ T442] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.623299][ T442] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.630398][ T442] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.661305][ T43] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.668801][ T43] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.676374][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 49.687014][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 49.706093][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.714851][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.721966][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.730529][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.738890][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.745986][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.754570][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 49.762743][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.787775][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 49.801592][ T442] device veth0_vlan entered promiscuous mode [ 49.817502][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 49.825981][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 49.834027][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 49.849188][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 49.860424][ T442] device veth1_macvtap entered promiscuous mode [ 49.879080][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 49.894926][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2026/02/16 19:43:59 executed programs: 0 [ 50.203757][ T476] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.210943][ T476] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.218822][ T476] device bridge_slave_0 entered promiscuous mode [ 50.227164][ T476] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.234500][ T476] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.242139][ T476] device bridge_slave_1 entered promiscuous mode [ 50.261526][ T477] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.268787][ T477] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.276297][ T477] device bridge_slave_0 entered promiscuous mode [ 50.301745][ T477] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.308958][ T477] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.316489][ T477] device bridge_slave_1 entered promiscuous mode [ 50.387653][ T480] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.395252][ T480] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.403108][ T480] device bridge_slave_0 entered promiscuous mode [ 50.411505][ T483] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.419034][ T483] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.426714][ T483] device bridge_slave_0 entered promiscuous mode [ 50.441155][ T480] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.448551][ T480] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.456032][ T480] device bridge_slave_1 entered promiscuous mode [ 50.467771][ T483] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.474878][ T483] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.482452][ T483] device bridge_slave_1 entered promiscuous mode [ 50.532274][ T482] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.539516][ T482] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.547011][ T482] device bridge_slave_0 entered promiscuous mode [ 50.566023][ T482] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.573315][ T482] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.580894][ T482] device bridge_slave_1 entered promiscuous mode [ 50.752056][ T480] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.759317][ T480] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.766886][ T480] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.773988][ T480] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.808827][ T483] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.815908][ T483] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.823264][ T483] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.830432][ T483] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.863596][ T482] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.870676][ T482] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.877956][ T482] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.884974][ T482] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.895862][ T43] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.903400][ T43] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.910782][ T43] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.918622][ T43] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.926506][ T43] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.933888][ T43] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.941960][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 50.949726][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.967440][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 50.975154][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.982755][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 50.990653][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.998446][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 51.006867][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.015259][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.022344][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.048404][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.056305][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.065345][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.073645][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.080789][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.088837][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.121975][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 51.130356][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.139941][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.146988][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.154527][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.163085][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.171959][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.179044][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.186604][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.194717][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.202770][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.211183][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.218286][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.225889][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.234298][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.241380][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.249036][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.274977][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.283284][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 51.291182][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.298964][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.306916][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.315682][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.322851][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.347022][ T477] device veth0_vlan entered promiscuous mode [ 51.355590][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 51.364232][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 51.371859][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 51.380149][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.388593][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.395631][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.403510][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.411764][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.418840][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.426201][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 51.434649][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.442685][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.465626][ T477] device veth1_macvtap entered promiscuous mode [ 51.474817][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.483346][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.491628][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.498669][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.506088][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 51.514658][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.523106][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 51.531333][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.539574][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 51.548101][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 51.556240][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 51.567185][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 51.575717][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.596295][ T476] device veth0_vlan entered promiscuous mode [ 51.611975][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 51.620684][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 51.629480][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 51.638486][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 51.646858][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 51.655417][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 51.664162][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 51.672746][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 51.681312][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 51.689881][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 51.698569][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 51.706652][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.715014][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 51.722786][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 51.760718][ T28] audit: type=1400 audit(1771271041.655:109): avc: denied { bpf } for pid=529 comm="syz.6.18" capability=39 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [ 51.764338][ T476] device veth1_macvtap entered promiscuous mode [ 51.789575][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 51.800248][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 51.808631][ T28] audit: type=1400 audit(1771271041.685:110): avc: denied { prog_load } for pid=529 comm="syz.6.18" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 51.809740][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 51.835492][ T530] FAULT_INJECTION: forcing a failure. [ 51.835492][ T530] name fail_usercopy, interval 1, probability 0, space 0, times 1 [ 51.838724][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 51.848973][ T28] audit: type=1400 audit(1771271041.685:111): avc: denied { map_create } for pid=529 comm="syz.6.18" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 51.858864][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 51.876620][ T530] CPU: 0 PID: 530 Comm: syz.6.18 Not tainted syzkaller #0 [ 51.890189][ T530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 51.900381][ T530] Call Trace: [ 51.903688][ T530] [ 51.906747][ T530] __dump_stack+0x21/0x24 [ 51.910063][ T483] device veth0_vlan entered promiscuous mode [ 51.911166][ T530] dump_stack_lvl+0x110/0x170 [ 51.921856][ T530] ? __cfi_dump_stack_lvl+0x8/0x8 [ 51.927025][ T530] dump_stack+0x15/0x24 [ 51.931317][ T530] should_fail_ex+0x3d4/0x520 [ 51.936088][ T530] should_fail+0xb/0x10 [ 51.939437][ T483] device veth1_macvtap entered promiscuous mode [ 51.940382][ T530] should_fail_usercopy+0x1a/0x20 [ 51.951689][ T530] _copy_to_user+0x1e/0x90 [ 51.956146][ T530] simple_read_from_buffer+0xe9/0x160 [ 51.961557][ T530] proc_fail_nth_read+0x1a6/0x220 [ 51.966620][ T530] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 51.971374][ T28] audit: type=1400 audit(1771271041.685:112): avc: denied { map_read map_write } for pid=529 comm="syz.6.18" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 51.972377][ T530] ? security_file_permission+0x94/0xb0 [ 51.994078][ T28] audit: type=1400 audit(1771271041.685:113): avc: denied { perfmon } for pid=529 comm="syz.6.18" capability=38 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [ 51.997637][ T530] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 51.997664][ T530] vfs_read+0x27a/0x910 [ 51.997694][ T530] ? __cfi_vfs_read+0x10/0x10 [ 52.019178][ T28] audit: type=1400 audit(1771271041.685:114): avc: denied { prog_run } for pid=529 comm="syz.6.18" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 52.023732][ T530] ? __kasan_check_write+0x14/0x20 [ 52.056478][ T530] ? mutex_lock+0x93/0x1b0 [ 52.061213][ T530] ? __cfi_mutex_lock+0x10/0x10 [ 52.066080][ T530] ? __fdget_pos+0x2cd/0x380 [ 52.070681][ T530] ? ksys_read+0x71/0x250 [ 52.075011][ T530] ksys_read+0x149/0x250 [ 52.079277][ T530] ? __cfi_ksys_read+0x10/0x10 [ 52.084045][ T530] ? fpregs_restore_userregs+0x128/0x260 [ 52.089689][ T530] __x64_sys_read+0x7b/0x90 [ 52.094200][ T530] x64_sys_call+0x2f/0x9a0 [ 52.098636][ T530] do_syscall_64+0x4c/0xa0 [ 52.103068][ T530] ? clear_bhb_loop+0x30/0x80 [ 52.107752][ T530] ? clear_bhb_loop+0x30/0x80 [ 52.112433][ T530] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 52.118342][ T530] RIP: 0033:0x7f714af5ac4e [ 52.122785][ 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 [ 52.142465][ T530] RSP: 002b:00007f714bec3fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 52.150905][ T530] RAX: ffffffffffffffda RBX: 00007f714bec46c0 RCX: 00007f714af5ac4e [ 52.159039][ T530] RDX: 000000000000000f RSI: 00007f714bec40a0 RDI: 0000000000000006 [ 52.167053][ T530] RBP: 00007f714bec4090 R08: 0000000000000000 R09: 0000000000000000 [ 52.175039][ T530] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 52.183022][ T530] R13: 00007f714b1e6038 R14: 00007f714b1e5fa0 R15: 00007ffdef4bafd8 [ 52.191019][ T530] [ 52.205311][ T532] FAULT_INJECTION: forcing a failure. [ 52.205311][ T532] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 52.218700][ T532] CPU: 0 PID: 532 Comm: syz.6.22 Not tainted syzkaller #0 [ 52.225902][ T532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 52.235985][ T532] Call Trace: [ 52.239286][ T532] [ 52.242319][ T532] __dump_stack+0x21/0x24 [ 52.246677][ T532] dump_stack_lvl+0x110/0x170 [ 52.251458][ T532] ? __cfi_dump_stack_lvl+0x8/0x8 [ 52.256502][ T532] dump_stack+0x15/0x24 [ 52.260675][ T532] should_fail_ex+0x3d4/0x520 [ 52.265376][ T532] should_fail+0xb/0x10 [ 52.269547][ T532] should_fail_usercopy+0x1a/0x20 [ 52.274623][ T532] _copy_to_user+0x1e/0x90 [ 52.279055][ T532] simple_read_from_buffer+0xe9/0x160 [ 52.284444][ T532] proc_fail_nth_read+0x1a6/0x220 [ 52.289479][ T532] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 52.295039][ T532] ? security_file_permission+0x94/0xb0 [ 52.300600][ T532] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 52.306154][ T532] vfs_read+0x27a/0x910 [ 52.310340][ T532] ? __cfi_vfs_read+0x10/0x10 [ 52.315124][ T532] ? __kasan_check_write+0x14/0x20 [ 52.320248][ T532] ? mutex_lock+0x93/0x1b0 [ 52.324718][ T532] ? __cfi_mutex_lock+0x10/0x10 [ 52.329594][ T532] ? __fdget_pos+0x2cd/0x380 [ 52.334219][ T532] ? ksys_read+0x71/0x250 [ 52.338722][ T532] ksys_read+0x149/0x250 [ 52.342980][ T532] ? __cfi_ksys_read+0x10/0x10 [ 52.347763][ T532] ? fput+0x15b/0x1a0 [ 52.351768][ T532] ? debug_smp_processor_id+0x17/0x20 [ 52.357164][ T532] __x64_sys_read+0x7b/0x90 [ 52.361708][ T532] x64_sys_call+0x2f/0x9a0 [ 52.366149][ T532] do_syscall_64+0x4c/0xa0 [ 52.370596][ T532] ? clear_bhb_loop+0x30/0x80 [ 52.375290][ T532] ? clear_bhb_loop+0x30/0x80 [ 52.379991][ T532] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 52.385911][ T532] RIP: 0033:0x7f714af5ac4e [ 52.390346][ 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 [ 52.410495][ T532] RSP: 002b:00007f714bec3fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 52.418930][ T532] RAX: ffffffffffffffda RBX: 00007f714bec46c0 RCX: 00007f714af5ac4e [ 52.426923][ T532] RDX: 000000000000000f RSI: 00007f714bec40a0 RDI: 0000000000000006 [ 52.434996][ T532] RBP: 00007f714bec4090 R08: 0000000000000000 R09: 0000000000000000 [ 52.442978][ T532] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 52.451269][ T532] R13: 00007f714b1e6038 R14: 00007f714b1e5fa0 R15: 00007ffdef4bafd8 [ 52.459260][ T532] [ 52.472829][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 52.483730][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 52.493448][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 52.501257][ T534] FAULT_INJECTION: forcing a failure. [ 52.501257][ T534] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 52.502740][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 52.515895][ T534] CPU: 0 PID: 534 Comm: syz.6.23 Not tainted syzkaller #0 [ 52.529248][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 52.529280][ T534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 52.538880][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 52.547248][ T534] Call Trace: [ 52.547256][ T534] [ 52.547263][ T534] __dump_stack+0x21/0x24 [ 52.547294][ T534] dump_stack_lvl+0x110/0x170 [ 52.556692][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 52.558501][ T534] ? __cfi_dump_stack_lvl+0x8/0x8 [ 52.558533][ T534] dump_stack+0x15/0x24 [ 52.558556][ T534] should_fail_ex+0x3d4/0x520 [ 52.564028][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 52.565930][ T534] should_fail+0xb/0x10 [ 52.572067][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 52.577983][ T534] should_fail_usercopy+0x1a/0x20 [ 52.578015][ T534] _copy_to_user+0x1e/0x90 [ 52.578040][ T534] simple_read_from_buffer+0xe9/0x160 [ 52.585072][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 52.587236][ T534] proc_fail_nth_read+0x1a6/0x220 [ 52.593562][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 52.599957][ T534] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 52.599985][ T534] ? security_file_permission+0x94/0xb0 [ 52.600011][ T534] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 52.600030][ T534] vfs_read+0x27a/0x910 [ 52.606173][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 52.612441][ T534] ? __cfi_vfs_read+0x10/0x10 [ 52.612477][ T534] ? __kasan_check_write+0x14/0x20 [ 52.612496][ T534] ? mutex_lock+0x93/0x1b0 [ 52.612525][ T534] ? __cfi_mutex_lock+0x10/0x10 [ 52.612555][ T534] ? __fdget_pos+0x2cd/0x380 [ 52.612574][ T534] ? ksys_read+0x71/0x250 [ 52.620632][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 52.622031][ T534] ksys_read+0x149/0x250 [ 52.629395][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 52.635397][ T534] ? __cfi_ksys_read+0x10/0x10 [ 52.641978][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 52.648573][ T534] ? fput+0x15b/0x1a0 [ 52.648603][ T534] ? debug_smp_processor_id+0x17/0x20 [ 52.648628][ T534] __x64_sys_read+0x7b/0x90 [ 52.752578][ T534] x64_sys_call+0x2f/0x9a0 [ 52.757027][ T534] do_syscall_64+0x4c/0xa0 [ 52.761552][ T534] ? clear_bhb_loop+0x30/0x80 [ 52.766362][ T534] ? clear_bhb_loop+0x30/0x80 [ 52.771059][ T534] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 52.776992][ T534] RIP: 0033:0x7f714af5ac4e [ 52.781418][ T534] 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 [ 52.801142][ T534] RSP: 002b:00007f714bec3fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 52.809571][ T534] RAX: ffffffffffffffda RBX: 00007f714bec46c0 RCX: 00007f714af5ac4e [ 52.817730][ T534] RDX: 000000000000000f RSI: 00007f714bec40a0 RDI: 0000000000000006 [ 52.825713][ T534] RBP: 00007f714bec4090 R08: 0000000000000000 R09: 0000000000000000 [ 52.833707][ T534] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 52.841696][ T534] R13: 00007f714b1e6038 R14: 00007f714b1e5fa0 R15: 00007ffdef4bafd8 [ 52.849690][ T534] [ 52.859689][ T480] device veth0_vlan entered promiscuous mode [ 52.875200][ T536] FAULT_INJECTION: forcing a failure. [ 52.875200][ T536] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 52.883157][ T482] device veth0_vlan entered promiscuous mode [ 52.889198][ T536] CPU: 0 PID: 536 Comm: syz.6.24 Not tainted syzkaller #0 [ 52.896699][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 52.901498][ T536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 52.901510][ T536] Call Trace: [ 52.901516][ T536] [ 52.901523][ T536] __dump_stack+0x21/0x24 [ 52.901554][ T536] dump_stack_lvl+0x110/0x170 [ 52.901578][ T536] ? __cfi_dump_stack_lvl+0x8/0x8 [ 52.901605][ T536] dump_stack+0x15/0x24 [ 52.901628][ T536] should_fail_ex+0x3d4/0x520 [ 52.901656][ T536] should_fail+0xb/0x10 [ 52.901680][ T536] should_fail_usercopy+0x1a/0x20 [ 52.901706][ T536] _copy_to_user+0x1e/0x90 [ 52.911618][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 52.918975][ T536] simple_read_from_buffer+0xe9/0x160 [ 52.919005][ T536] proc_fail_nth_read+0x1a6/0x220 [ 52.919026][ T536] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 52.923477][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 52.925342][ T536] ? security_file_permission+0x94/0xb0 [ 52.930698][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 52.934363][ T536] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 52.934389][ T536] vfs_read+0x27a/0x910 [ 52.940973][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 52.943781][ T536] ? __cfi_vfs_read+0x10/0x10 [ 52.949831][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 52.952621][ T536] ? __kasan_check_write+0x14/0x20 [ 52.952647][ T536] ? mutex_lock+0x93/0x1b0 [ 52.959577][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 52.962447][ T536] ? __cfi_mutex_lock+0x10/0x10 [ 52.970972][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 52.975054][ T536] ? __fdget_pos+0x2cd/0x380 [ 53.070460][ T536] ? ksys_read+0x71/0x250 [ 53.074919][ T536] ksys_read+0x149/0x250 [ 53.079272][ T536] ? __cfi_ksys_read+0x10/0x10 [ 53.084077][ T536] ? fput+0x15b/0x1a0 [ 53.088070][ T536] ? debug_smp_processor_id+0x17/0x20 [ 53.093450][ T536] __x64_sys_read+0x7b/0x90 [ 53.097952][ T536] x64_sys_call+0x2f/0x9a0 [ 53.102451][ T536] do_syscall_64+0x4c/0xa0 [ 53.106917][ T536] ? clear_bhb_loop+0x30/0x80 [ 53.111611][ T536] ? clear_bhb_loop+0x30/0x80 [ 53.116295][ T536] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 53.122199][ T536] RIP: 0033:0x7f714af5ac4e [ 53.126702][ 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 [ 53.146574][ T536] RSP: 002b:00007f714bec3fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 53.155008][ T536] RAX: ffffffffffffffda RBX: 00007f714bec46c0 RCX: 00007f714af5ac4e [ 53.163019][ T536] RDX: 000000000000000f RSI: 00007f714bec40a0 RDI: 0000000000000006 [ 53.171090][ T536] RBP: 00007f714bec4090 R08: 0000000000000000 R09: 0000000000000000 [ 53.179071][ T536] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 53.187063][ T536] R13: 00007f714b1e6038 R14: 00007f714b1e5fa0 R15: 00007ffdef4bafd8 [ 53.195154][ T536] [ 53.207203][ T539] FAULT_INJECTION: forcing a failure. [ 53.207203][ T539] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 53.221076][ T539] CPU: 1 PID: 539 Comm: syz.6.25 Not tainted syzkaller #0 [ 53.228311][ T539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 53.238560][ T539] Call Trace: [ 53.241857][ T539] [ 53.244806][ T539] __dump_stack+0x21/0x24 [ 53.249161][ T539] dump_stack_lvl+0x110/0x170 [ 53.253853][ T539] ? __cfi_dump_stack_lvl+0x8/0x8 [ 53.258899][ T539] dump_stack+0x15/0x24 [ 53.263076][ T539] should_fail_ex+0x3d4/0x520 [ 53.267785][ T539] should_fail+0xb/0x10 [ 53.271984][ T539] should_fail_usercopy+0x1a/0x20 [ 53.277032][ T539] _copy_to_user+0x1e/0x90 [ 53.281482][ T539] simple_read_from_buffer+0xe9/0x160 [ 53.286894][ T539] proc_fail_nth_read+0x1a6/0x220 [ 53.291936][ T539] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 53.297503][ T539] ? security_file_permission+0x94/0xb0 [ 53.303068][ T539] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 53.308621][ T539] vfs_read+0x27a/0x910 [ 53.312794][ T539] ? __cfi_vfs_read+0x10/0x10 [ 53.317487][ T539] ? __kasan_check_write+0x14/0x20 [ 53.322606][ T539] ? mutex_lock+0x93/0x1b0 [ 53.327127][ T539] ? __cfi_mutex_lock+0x10/0x10 [ 53.332019][ T539] ? __fdget_pos+0x2cd/0x380 [ 53.336638][ T539] ? ksys_read+0x71/0x250 [ 53.341246][ T539] ksys_read+0x149/0x250 [ 53.345507][ T539] ? __cfi_ksys_read+0x10/0x10 [ 53.350284][ T539] ? fput+0x15b/0x1a0 [ 53.354385][ T539] ? debug_smp_processor_id+0x17/0x20 [ 53.359770][ T539] __x64_sys_read+0x7b/0x90 [ 53.364287][ T539] x64_sys_call+0x2f/0x9a0 [ 53.368716][ T539] do_syscall_64+0x4c/0xa0 [ 53.373157][ T539] ? clear_bhb_loop+0x30/0x80 [ 53.377854][ T539] ? clear_bhb_loop+0x30/0x80 [ 53.382804][ T539] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 53.388787][ T539] RIP: 0033:0x7f714af5ac4e [ 53.393212][ T539] 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 [ 53.412916][ T539] RSP: 002b:00007f714bec3fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 53.421343][ T539] RAX: ffffffffffffffda RBX: 00007f714bec46c0 RCX: 00007f714af5ac4e [ 53.429326][ T539] RDX: 000000000000000f RSI: 00007f714bec40a0 RDI: 0000000000000006 [ 53.437306][ T539] RBP: 00007f714bec4090 R08: 0000000000000000 R09: 0000000000000000 [ 53.445284][ T539] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 53.453364][ T539] R13: 00007f714b1e6038 R14: 00007f714b1e5fa0 R15: 00007ffdef4bafd8 [ 53.461350][ T539] [ 53.475356][ T541] FAULT_INJECTION: forcing a failure. [ 53.475356][ T541] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 53.489702][ T541] CPU: 0 PID: 541 Comm: syz.6.26 Not tainted syzkaller #0 [ 53.496885][ T541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 53.498611][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 53.507145][ T541] Call Trace: [ 53.507154][ T541] [ 53.520780][ T541] __dump_stack+0x21/0x24 [ 53.524571][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 53.525143][ T541] dump_stack_lvl+0x110/0x170 [ 53.537054][ T541] ? __cfi_dump_stack_lvl+0x8/0x8 [ 53.542099][ T541] dump_stack+0x15/0x24 [ 53.546358][ T541] should_fail_ex+0x3d4/0x520 [ 53.551060][ T541] should_fail+0xb/0x10 [ 53.555311][ T541] should_fail_usercopy+0x1a/0x20 [ 53.560339][ T541] _copy_to_user+0x1e/0x90 [ 53.564781][ T541] simple_read_from_buffer+0xe9/0x160 [ 53.570153][ T541] proc_fail_nth_read+0x1a6/0x220 [ 53.575177][ T541] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 53.580763][ T541] ? security_file_permission+0x94/0xb0 [ 53.586308][ T541] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 53.591848][ T541] vfs_read+0x27a/0x910 [ 53.596019][ T541] ? __cfi_vfs_read+0x10/0x10 [ 53.600699][ T541] ? __kasan_check_write+0x14/0x20 [ 53.605989][ T541] ? mutex_lock+0x93/0x1b0 [ 53.610417][ T541] ? __cfi_mutex_lock+0x10/0x10 [ 53.615280][ T541] ? __fdget_pos+0x2cd/0x380 [ 53.619866][ T541] ? ksys_read+0x71/0x250 [ 53.624192][ T541] ksys_read+0x149/0x250 [ 53.628437][ T541] ? __cfi_ksys_read+0x10/0x10 [ 53.633200][ T541] ? fput+0x15b/0x1a0 [ 53.637183][ T541] ? debug_smp_processor_id+0x17/0x20 [ 53.642766][ T541] __x64_sys_read+0x7b/0x90 [ 53.647296][ T541] x64_sys_call+0x2f/0x9a0 [ 53.651777][ T541] do_syscall_64+0x4c/0xa0 [ 53.656202][ T541] ? clear_bhb_loop+0x30/0x80 [ 53.660991][ T541] ? clear_bhb_loop+0x30/0x80 [ 53.665685][ T541] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 53.671635][ T541] RIP: 0033:0x7f714af5ac4e [ 53.676050][ T541] 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 [ 53.695658][ T541] RSP: 002b:00007f714bec3fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 53.704086][ T541] RAX: ffffffffffffffda RBX: 00007f714bec46c0 RCX: 00007f714af5ac4e [ 53.712235][ T541] RDX: 000000000000000f RSI: 00007f714bec40a0 RDI: 0000000000000006 [ 53.720293][ T541] RBP: 00007f714bec4090 R08: 0000000000000000 R09: 0000000000000000 [ 53.728260][ T541] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 53.736494][ T541] R13: 00007f714b1e6038 R14: 00007f714b1e5fa0 R15: 00007ffdef4bafd8 [ 53.744578][ T541] [ 53.780123][ T547] FAULT_INJECTION: forcing a failure. [ 53.780123][ T547] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 53.795198][ T547] CPU: 1 PID: 547 Comm: syz.6.27 Not tainted syzkaller #0 [ 53.802426][ T547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 53.812688][ T547] Call Trace: [ 53.814134][ T480] device veth1_macvtap entered promiscuous mode [ 53.816003][ T547] [ 53.816012][ T547] __dump_stack+0x21/0x24 [ 53.829544][ T547] dump_stack_lvl+0x110/0x170 [ 53.834264][ T547] ? __cfi_dump_stack_lvl+0x8/0x8 [ 53.839224][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 53.839321][ T547] dump_stack+0x15/0x24 [ 53.851377][ T547] should_fail_ex+0x3d4/0x520 [ 53.851792][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 53.856087][ T547] should_fail+0xb/0x10 [ 53.865804][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 53.868157][ T547] should_fail_usercopy+0x1a/0x20 [ 53.868191][ T547] _copy_to_user+0x1e/0x90 [ 53.877472][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 53.881368][ T547] simple_read_from_buffer+0xe9/0x160 [ 53.886887][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 53.893779][ T547] proc_fail_nth_read+0x1a6/0x220 [ 53.893806][ T547] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 53.893829][ T547] ? security_file_permission+0x94/0xb0 [ 53.893855][ T547] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 53.893875][ T547] vfs_read+0x27a/0x910 [ 53.893906][ T547] ? __cfi_vfs_read+0x10/0x10 [ 53.893933][ T547] ? __kasan_check_write+0x14/0x20 [ 53.893951][ T547] ? mutex_lock+0x93/0x1b0 [ 53.893979][ T547] ? __cfi_mutex_lock+0x10/0x10 [ 53.894009][ T547] ? __fdget_pos+0x2cd/0x380 [ 53.956837][ T547] ? ksys_read+0x71/0x250 [ 53.961189][ T547] ksys_read+0x149/0x250 [ 53.965526][ T547] ? __cfi_ksys_read+0x10/0x10 [ 53.970298][ T547] ? fput+0x15b/0x1a0 [ 53.974294][ T547] ? debug_smp_processor_id+0x17/0x20 [ 53.979722][ T547] __x64_sys_read+0x7b/0x90 [ 53.984241][ T547] x64_sys_call+0x2f/0x9a0 [ 53.988731][ T547] do_syscall_64+0x4c/0xa0 [ 53.993165][ T547] ? clear_bhb_loop+0x30/0x80 [ 53.997854][ T547] ? clear_bhb_loop+0x30/0x80 [ 54.002547][ T547] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 54.008457][ T547] RIP: 0033:0x7f714af5ac4e [ 54.012968][ T547] 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 [ 54.032597][ T547] RSP: 002b:00007f714bec3fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 54.041024][ T547] RAX: ffffffffffffffda RBX: 00007f714bec46c0 RCX: 00007f714af5ac4e [ 54.049005][ T547] RDX: 000000000000000f RSI: 00007f714bec40a0 RDI: 0000000000000006 [ 54.057081][ T547] RBP: 00007f714bec4090 R08: 0000000000000000 R09: 0000000000000000 [ 54.065263][ T547] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 54.073248][ T547] R13: 00007f714b1e6038 R14: 00007f714b1e5fa0 R15: 00007ffdef4bafd8 [ 54.081269][ T547] [ 54.088330][ T546] FAULT_INJECTION: forcing a failure. [ 54.088330][ T546] name failslab, interval 1, probability 0, space 0, times 1 [ 54.101746][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 54.106527][ T546] CPU: 0 PID: 546 Comm: syz.0.17 Not tainted syzkaller #0 [ 54.111171][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 54.116886][ T546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 54.116899][ T546] Call Trace: [ 54.116905][ T546] [ 54.116912][ T546] __dump_stack+0x21/0x24 [ 54.145874][ T482] device veth1_macvtap entered promiscuous mode [ 54.146290][ T546] dump_stack_lvl+0x110/0x170 [ 54.157233][ T546] ? __cfi_dump_stack_lvl+0x8/0x8 [ 54.162384][ T546] ? unwind_get_return_address+0x4d/0x90 [ 54.168084][ T546] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 54.174384][ T546] dump_stack+0x15/0x24 [ 54.178615][ T546] should_fail_ex+0x3d4/0x520 [ 54.183335][ T546] __should_failslab+0xac/0xf0 [ 54.188115][ T546] ? tracepoint_probe_unregister+0x211/0x8e0 [ 54.194155][ T546] should_failslab+0x9/0x20 [ 54.198661][ T546] __kmem_cache_alloc_node+0x3d/0x2c0 [ 54.204080][ T546] ? __cfi_mutex_lock+0x10/0x10 [ 54.209030][ T546] ? delete_node+0x3e6/0xa60 [ 54.213634][ T546] ? tracepoint_probe_unregister+0x211/0x8e0 [ 54.219731][ T546] __kmalloc+0xa1/0x1e0 [ 54.223920][ T546] ? __cfi___bpf_trace_neigh_update+0x10/0x10 [ 54.230024][ T546] tracepoint_probe_unregister+0x211/0x8e0 [ 54.235846][ T546] bpf_probe_unregister+0x61/0x70 [ 54.240879][ T546] bpf_raw_tp_link_release+0x63/0x90 [ 54.246195][ T546] bpf_link_free+0x13a/0x3a0 [ 54.250795][ T546] ? bpf_link_put_deferred+0x20/0x20 [ 54.256088][ T546] bpf_link_release+0x15f/0x170 [ 54.261213][ T546] ? __cfi_bpf_link_release+0x10/0x10 [ 54.266623][ T546] __fput+0x1fc/0x8f0 [ 54.270618][ T546] ____fput+0x15/0x20 [ 54.274629][ T546] task_work_run+0x1e1/0x250 [ 54.279253][ T546] ? __cfi_task_work_run+0x10/0x10 [ 54.284388][ T546] ? fput+0x15b/0x1a0 [ 54.288385][ T546] exit_to_user_mode_loop+0x9b/0xb0 [ 54.293610][ T546] exit_to_user_mode_prepare+0x87/0xd0 [ 54.299515][ T546] syscall_exit_to_user_mode+0x1a/0x30 [ 54.304987][ T546] do_syscall_64+0x58/0xa0 [ 54.309417][ T546] ? clear_bhb_loop+0x30/0x80 [ 54.314093][ T546] ? clear_bhb_loop+0x30/0x80 [ 54.318861][ T546] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 54.324859][ T546] RIP: 0033:0x7f135b59a379 [ 54.329633][ T546] 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 [ 54.349261][ T546] RSP: 002b:00007f135c4c3028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 54.357685][ T546] RAX: 0000000000000000 RBX: 00007f135b7e5fa0 RCX: 00007f135b59a379 [ 54.365778][ T546] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 54.373783][ T546] RBP: 00007f135c4c3090 R08: 0000000000000000 R09: 0000000000000000 [ 54.382022][ T546] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 54.389997][ T546] R13: 00007f135b7e6038 R14: 00007f135b7e5fa0 R15: 00007ffcbcd5f0d8 [ 54.397985][ T546] [ 54.403873][ T548] FAULT_INJECTION: forcing a failure. [ 54.403873][ T548] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 54.417392][ T548] CPU: 0 PID: 548 Comm: syz.4.21 Not tainted syzkaller #0 [ 54.424560][ T548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 54.434661][ T548] Call Trace: [ 54.437973][ T548] [ 54.440947][ T548] __dump_stack+0x21/0x24 [ 54.445314][ T548] dump_stack_lvl+0x110/0x170 [ 54.450030][ T548] ? __cfi_dump_stack_lvl+0x8/0x8 [ 54.455098][ T548] dump_stack+0x15/0x24 [ 54.459286][ T548] should_fail_ex+0x3d4/0x520 [ 54.464061][ T548] should_fail+0xb/0x10 [ 54.468243][ T548] should_fail_usercopy+0x1a/0x20 [ 54.473284][ T548] _copy_to_user+0x1e/0x90 [ 54.477708][ T548] simple_read_from_buffer+0xe9/0x160 [ 54.483083][ T548] proc_fail_nth_read+0x1a6/0x220 [ 54.488123][ T548] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 54.493713][ T548] ? security_file_permission+0x94/0xb0 [ 54.499280][ T548] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 54.504842][ T548] vfs_read+0x27a/0x910 [ 54.509014][ T548] ? __cfi_vfs_read+0x10/0x10 [ 54.513726][ T548] ? __kasan_check_write+0x14/0x20 [ 54.518842][ T548] ? mutex_lock+0x93/0x1b0 [ 54.523269][ T548] ? __cfi_mutex_lock+0x10/0x10 [ 54.528139][ T548] ? __fdget_pos+0x2cd/0x380 [ 54.532771][ T548] ? ksys_read+0x71/0x250 [ 54.537103][ T548] ksys_read+0x149/0x250 [ 54.541342][ T548] ? __cfi_ksys_read+0x10/0x10 [ 54.546106][ T548] ? __kasan_check_write+0x14/0x20 [ 54.551220][ T548] ? fpregs_restore_userregs+0x128/0x260 [ 54.556902][ T548] __x64_sys_read+0x7b/0x90 [ 54.561411][ T548] x64_sys_call+0x2f/0x9a0 [ 54.565831][ T548] do_syscall_64+0x4c/0xa0 [ 54.570263][ T548] ? clear_bhb_loop+0x30/0x80 [ 54.574954][ T548] ? clear_bhb_loop+0x30/0x80 [ 54.579636][ T548] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 54.585675][ T548] RIP: 0033:0x7f816ef5ac4e [ 54.590114][ T548] 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 [ 54.609734][ T548] RSP: 002b:00007f816ff17fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 54.618172][ T548] RAX: ffffffffffffffda RBX: 00007f816ff186c0 RCX: 00007f816ef5ac4e [ 54.626169][ T548] RDX: 000000000000000f RSI: 00007f816ff180a0 RDI: 0000000000000006 [ 54.634143][ T548] RBP: 00007f816ff18090 R08: 0000000000000000 R09: 0000000000000000 [ 54.642438][ T548] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 54.650423][ T548] R13: 00007f816f1e6038 R14: 00007f816f1e5fa0 R15: 00007ffeef81b8b8 [ 54.658403][ T548] [ 54.664827][ T550] FAULT_INJECTION: forcing a failure. [ 54.664827][ T550] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 54.679764][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 54.687702][ T550] CPU: 0 PID: 550 Comm: syz.6.28 Not tainted syzkaller #0 [ 54.694858][ T550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 54.704947][ T550] Call Trace: [ 54.708368][ T550] [ 54.711331][ T550] __dump_stack+0x21/0x24 [ 54.712859][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 54.715877][ T550] dump_stack_lvl+0x110/0x170 [ 54.726157][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 54.728533][ T550] ? __cfi_dump_stack_lvl+0x8/0x8 [ 54.728565][ T550] dump_stack+0x15/0x24 [ 54.728589][ T550] should_fail_ex+0x3d4/0x520 [ 54.738527][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 54.741710][ T550] should_fail+0xb/0x10 [ 54.746890][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 54.750552][ T550] should_fail_usercopy+0x1a/0x20 [ 54.750584][ T550] _copy_to_user+0x1e/0x90 [ 54.750609][ T550] simple_read_from_buffer+0xe9/0x160 [ 54.750630][ T550] proc_fail_nth_read+0x1a6/0x220 [ 54.760142][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 54.763123][ T550] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 54.773049][ T537] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 54.776241][ T550] ? security_file_permission+0x94/0xb0 [ 54.818554][ T550] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 54.824111][ T550] vfs_read+0x27a/0x910 [ 54.828307][ T550] ? __cfi_vfs_read+0x10/0x10 [ 54.833084][ T550] ? __kasan_check_write+0x14/0x20 [ 54.838201][ T550] ? mutex_lock+0x93/0x1b0 [ 54.842630][ T550] ? __cfi_mutex_lock+0x10/0x10 [ 54.847507][ T550] ? __fdget_pos+0x2cd/0x380 [ 54.852142][ T550] ? ksys_read+0x71/0x250 [ 54.856506][ T550] ksys_read+0x149/0x250 [ 54.860843][ T550] ? __cfi_ksys_read+0x10/0x10 [ 54.865615][ T550] ? fput+0x15b/0x1a0 [ 54.869690][ T550] ? debug_smp_processor_id+0x17/0x20 [ 54.875066][ T550] __x64_sys_read+0x7b/0x90 [ 54.879577][ T550] x64_sys_call+0x2f/0x9a0 [ 54.883998][ T550] do_syscall_64+0x4c/0xa0 [ 54.888426][ T550] ? clear_bhb_loop+0x30/0x80 [ 54.893104][ T550] ? clear_bhb_loop+0x30/0x80 [ 54.897799][ T550] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 54.903714][ T550] RIP: 0033:0x7f714af5ac4e [ 54.908215][ T550] 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 [ 54.928178][ T550] RSP: 002b:00007f714bec3fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 54.936714][ T550] RAX: ffffffffffffffda RBX: 00007f714bec46c0 RCX: 00007f714af5ac4e [ 54.944975][ T550] RDX: 000000000000000f RSI: 00007f714bec40a0 RDI: 0000000000000006 [ 54.952962][ T550] RBP: 00007f714bec4090 R08: 0000000000000000 R09: 0000000000000000 [ 54.961046][ T550] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 54.969031][ T550] R13: 00007f714b1e6038 R14: 00007f714b1e5fa0 R15: 00007ffdef4bafd8 [ 54.977016][ T550] [ 54.981174][ T552] FAULT_INJECTION: forcing a failure. [ 54.981174][ T552] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 54.994717][ T8] device bridge_slave_1 left promiscuous mode [ 54.995278][ T552] CPU: 1 PID: 552 Comm: syz.0.29 Not tainted syzkaller #0 [ 55.004948][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.007943][ T552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 55.007955][ T552] Call Trace: [ 55.007961][ T552] [ 55.007967][ T552] __dump_stack+0x21/0x24 2026/02/16 19:44:04 executed programs: 22 [ 55.035721][ T552] dump_stack_lvl+0x110/0x170 [ 55.040413][ T552] ? __cfi_dump_stack_lvl+0x8/0x8 [ 55.045447][ T552] dump_stack+0x15/0x24 [ 55.049618][ T552] should_fail_ex+0x3d4/0x520 [ 55.054372][ T552] should_fail+0xb/0x10 [ 55.058541][ T552] should_fail_usercopy+0x1a/0x20 [ 55.063597][ T552] _copy_to_user+0x1e/0x90 [ 55.068038][ T552] simple_read_from_buffer+0xe9/0x160 [ 55.073408][ T552] proc_fail_nth_read+0x1a6/0x220 [ 55.078430][ T552] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 55.084022][ T552] ? security_file_permission+0x94/0xb0 [ 55.089575][ T552] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 55.095146][ T552] vfs_read+0x27a/0x910 [ 55.099313][ T552] ? __cfi_vfs_read+0x10/0x10 [ 55.104001][ T552] ? __kasan_check_write+0x14/0x20 [ 55.109114][ T552] ? mutex_lock+0x93/0x1b0 [ 55.113563][ T552] ? __cfi_mutex_lock+0x10/0x10 [ 55.118427][ T552] ? __fdget_pos+0x2cd/0x380 [ 55.123448][ T552] ? ksys_read+0x71/0x250 [ 55.127774][ T552] ksys_read+0x149/0x250 [ 55.132047][ T552] ? __cfi_ksys_read+0x10/0x10 [ 55.136810][ T552] ? fput+0x15b/0x1a0 [ 55.140825][ T552] ? debug_smp_processor_id+0x17/0x20 [ 55.146197][ T552] __x64_sys_read+0x7b/0x90 [ 55.150698][ T552] x64_sys_call+0x2f/0x9a0 [ 55.155114][ T552] do_syscall_64+0x4c/0xa0 [ 55.159627][ T552] ? clear_bhb_loop+0x30/0x80 [ 55.164306][ T552] ? clear_bhb_loop+0x30/0x80 [ 55.168979][ T552] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 55.175029][ T552] RIP: 0033:0x7f135b55ac4e [ 55.179532][ T552] 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 [ 55.199521][ T552] RSP: 002b:00007f135c4c2fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 55.207950][ T552] RAX: ffffffffffffffda RBX: 00007f135c4c36c0 RCX: 00007f135b55ac4e [ 55.216020][ T552] RDX: 000000000000000f RSI: 00007f135c4c30a0 RDI: 0000000000000006 [ 55.223988][ T552] RBP: 00007f135c4c3090 R08: 0000000000000000 R09: 0000000000000000 [ 55.232062][ T552] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 55.240043][ T552] R13: 00007f135b7e6038 R14: 00007f135b7e5fa0 R15: 00007ffcbcd5f0d8 [ 55.248211][ T552] [ 55.253099][ T555] FAULT_INJECTION: forcing a failure. [ 55.253099][ T555] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 55.267940][ T557] FAULT_INJECTION: forcing a failure. [ 55.267940][ T557] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 55.281320][ T8] device bridge_slave_0 left promiscuous mode [ 55.282581][ T555] CPU: 0 PID: 555 Comm: syz.4.30 Not tainted syzkaller #0 [ 55.294551][ T555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 55.294578][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.304721][ T555] Call Trace: [ 55.304728][ T555] [ 55.304735][ T555] __dump_stack+0x21/0x24 [ 55.304764][ T555] dump_stack_lvl+0x110/0x170 [ 55.327250][ T555] ? __cfi_dump_stack_lvl+0x8/0x8 [ 55.332332][ T555] dump_stack+0x15/0x24 [ 55.336520][ T555] should_fail_ex+0x3d4/0x520 [ 55.341228][ T555] should_fail+0xb/0x10 [ 55.345413][ T555] should_fail_usercopy+0x1a/0x20 [ 55.350478][ T555] _copy_to_user+0x1e/0x90 [ 55.354925][ T555] simple_read_from_buffer+0xe9/0x160 [ 55.360312][ T555] proc_fail_nth_read+0x1a6/0x220 [ 55.365358][ T555] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 55.371010][ T555] ? security_file_permission+0x94/0xb0 [ 55.376575][ T555] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 55.382139][ T555] vfs_read+0x27a/0x910 [ 55.386320][ T555] ? __cfi_vfs_read+0x10/0x10 [ 55.391025][ T555] ? __kasan_check_write+0x14/0x20 [ 55.396149][ T555] ? mutex_lock+0x93/0x1b0 [ 55.400755][ T555] ? __cfi_mutex_lock+0x10/0x10 [ 55.405668][ T555] ? __fdget_pos+0x2cd/0x380 [ 55.410292][ T555] ? ksys_read+0x71/0x250 [ 55.414728][ T555] ksys_read+0x149/0x250 [ 55.419009][ T555] ? __cfi_ksys_read+0x10/0x10 [ 55.423783][ T555] ? fput+0x15b/0x1a0 [ 55.427796][ T555] ? debug_smp_processor_id+0x17/0x20 [ 55.433219][ T555] __x64_sys_read+0x7b/0x90 [ 55.437747][ T555] x64_sys_call+0x2f/0x9a0 [ 55.442276][ T555] do_syscall_64+0x4c/0xa0 [ 55.446712][ T555] ? clear_bhb_loop+0x30/0x80 [ 55.451407][ T555] ? clear_bhb_loop+0x30/0x80 [ 55.456447][ T555] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 55.462362][ T555] RIP: 0033:0x7f816ef5ac4e [ 55.466816][ 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 [ 55.486704][ T555] RSP: 002b:00007f816ff17fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 55.495145][ T555] RAX: ffffffffffffffda RBX: 00007f816ff186c0 RCX: 00007f816ef5ac4e [ 55.503151][ T555] RDX: 000000000000000f RSI: 00007f816ff180a0 RDI: 0000000000000006 [ 55.511141][ T555] RBP: 00007f816ff18090 R08: 0000000000000000 R09: 0000000000000000 [ 55.519300][ T555] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 55.527291][ T555] R13: 00007f816f1e6038 R14: 00007f816f1e5fa0 R15: 00007ffeef81b8b8 [ 55.535290][ T555] [ 55.538415][ T557] CPU: 1 PID: 557 Comm: syz.6.31 Not tainted syzkaller #0 [ 55.545606][ T557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 55.555694][ T557] Call Trace: [ 55.558990][ T557] [ 55.561931][ T557] __dump_stack+0x21/0x24 [ 55.566289][ T557] dump_stack_lvl+0x110/0x170 [ 55.570985][ T557] ? __cfi_dump_stack_lvl+0x8/0x8 [ 55.576025][ T557] dump_stack+0x15/0x24 [ 55.580205][ T557] should_fail_ex+0x3d4/0x520 [ 55.584913][ T557] should_fail+0xb/0x10 [ 55.589085][ T557] should_fail_usercopy+0x1a/0x20 [ 55.594130][ T557] _copy_to_user+0x1e/0x90 [ 55.598564][ T557] simple_read_from_buffer+0xe9/0x160 [ 55.603948][ T557] proc_fail_nth_read+0x1a6/0x220 [ 55.608980][ T557] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 55.614540][ T557] ? security_file_permission+0x94/0xb0 [ 55.620114][ T557] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 55.625701][ T557] vfs_read+0x27a/0x910 [ 55.629899][ T557] ? __cfi_vfs_read+0x10/0x10 [ 55.634695][ T557] ? __kasan_check_write+0x14/0x20 [ 55.639829][ T557] ? mutex_lock+0x93/0x1b0 [ 55.644292][ T557] ? __cfi_mutex_lock+0x10/0x10 [ 55.649187][ T557] ? __fdget_pos+0x2cd/0x380 [ 55.653802][ T557] ? ksys_read+0x71/0x250 [ 55.658144][ T557] ksys_read+0x149/0x250 [ 55.662403][ T557] ? __cfi_ksys_read+0x10/0x10 [ 55.667188][ T557] ? fput+0x15b/0x1a0 [ 55.671184][ T557] ? debug_smp_processor_id+0x17/0x20 [ 55.676571][ T557] __x64_sys_read+0x7b/0x90 [ 55.681088][ T557] x64_sys_call+0x2f/0x9a0 [ 55.685522][ T557] do_syscall_64+0x4c/0xa0 [ 55.689956][ T557] ? clear_bhb_loop+0x30/0x80 [ 55.694733][ T557] ? clear_bhb_loop+0x30/0x80 [ 55.699419][ T557] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 55.705344][ T557] RIP: 0033:0x7f714af5ac4e [ 55.709774][ T557] 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 [ 55.729399][ T557] RSP: 002b:00007f714bec3fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 55.738000][ T557] RAX: ffffffffffffffda RBX: 00007f714bec46c0 RCX: 00007f714af5ac4e [ 55.745995][ T557] RDX: 000000000000000f RSI: 00007f714bec40a0 RDI: 0000000000000006 [ 55.753991][ T557] RBP: 00007f714bec4090 R08: 0000000000000000 R09: 0000000000000000 [ 55.761991][ T557] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 55.770074][ T557] R13: 00007f714b1e6038 R14: 00007f714b1e5fa0 R15: 00007ffdef4bafd8 [ 55.778082][ T557] [ 55.788003][ T8] device veth1_macvtap left promiscuous mode [ 55.794098][ T8] device veth0_vlan left promiscuous mode [ 55.800514][ T559] FAULT_INJECTION: forcing a failure. [ 55.800514][ T559] name failslab, interval 1, probability 0, space 0, times 0 [ 55.814465][ T559] CPU: 0 PID: 559 Comm: syz.0.32 Not tainted syzkaller #0 [ 55.821629][ T559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 55.831723][ T559] Call Trace: [ 55.835075][ T559] [ 55.838130][ T559] __dump_stack+0x21/0x24 [ 55.842501][ T559] dump_stack_lvl+0x110/0x170 [ 55.847214][ T559] ? __cfi_dump_stack_lvl+0x8/0x8 [ 55.852310][ T559] ? unwind_get_return_address+0x4d/0x90 [ 55.857984][ T559] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 55.864181][ T559] dump_stack+0x15/0x24 [ 55.868468][ T559] should_fail_ex+0x3d4/0x520 [ 55.873200][ T559] __should_failslab+0xac/0xf0 [ 55.878007][ T559] ? tracepoint_probe_unregister+0x211/0x8e0 [ 55.884029][ T559] should_failslab+0x9/0x20 [ 55.888598][ T559] __kmem_cache_alloc_node+0x3d/0x2c0 [ 55.894018][ T559] ? __cfi_mutex_lock+0x10/0x10 [ 55.899010][ T559] ? delete_node+0x3e6/0xa60 [ 55.903736][ T559] ? tracepoint_probe_unregister+0x211/0x8e0 [ 55.909774][ T559] __kmalloc+0xa1/0x1e0 [ 55.913943][ T559] ? __cfi___bpf_trace_neigh_update+0x10/0x10 [ 55.920017][ T559] tracepoint_probe_unregister+0x211/0x8e0 [ 55.925838][ T559] bpf_probe_unregister+0x61/0x70 [ 55.930884][ T559] bpf_raw_tp_link_release+0x63/0x90 [ 55.936176][ T559] bpf_link_free+0x13a/0x3a0 [ 55.940794][ T559] ? bpf_link_put_deferred+0x20/0x20 [ 55.946107][ T559] bpf_link_release+0x15f/0x170 [ 55.950961][ T559] ? __cfi_bpf_link_release+0x10/0x10 [ 55.956348][ T559] __fput+0x1fc/0x8f0 [ 55.960445][ T559] ____fput+0x15/0x20 [ 55.964433][ T559] task_work_run+0x1e1/0x250 [ 55.969155][ T559] ? __cfi_task_work_run+0x10/0x10 [ 55.974294][ T559] ? fput+0x15b/0x1a0 [ 55.978309][ T559] exit_to_user_mode_loop+0x9b/0xb0 [ 55.983517][ T559] exit_to_user_mode_prepare+0x87/0xd0 [ 55.988998][ T559] syscall_exit_to_user_mode+0x1a/0x30 [ 55.994491][ T559] do_syscall_64+0x58/0xa0 [ 55.998914][ T559] ? clear_bhb_loop+0x30/0x80 [ 56.003601][ T559] ? clear_bhb_loop+0x30/0x80 [ 56.008298][ T559] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 56.014221][ T559] RIP: 0033:0x7f135b59a379 [ 56.018639][ T559] 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 [ 56.038248][ T559] RSP: 002b:00007f135c4c3028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 56.046667][ T559] RAX: 0000000000000000 RBX: 00007f135b7e5fa0 RCX: 00007f135b59a379 [ 56.054645][ T559] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 56.062624][ T559] RBP: 00007f135c4c3090 R08: 0000000000000000 R09: 0000000000000000 [ 56.071120][ T559] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 56.079120][ T559] R13: 00007f135b7e6038 R14: 00007f135b7e5fa0 R15: 00007ffcbcd5f0d8 [ 56.087192][ T559] [ 56.091874][ T561] FAULT_INJECTION: forcing a failure. [ 56.091874][ T561] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 56.111499][ T563] FAULT_INJECTION: forcing a failure. [ 56.111499][ T563] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 56.127567][ T561] CPU: 1 PID: 561 Comm: syz.4.33 Not tainted syzkaller #0 [ 56.134748][ T561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 56.144940][ T561] Call Trace: [ 56.148260][ T561] [ 56.151213][ T561] __dump_stack+0x21/0x24 [ 56.155586][ T561] dump_stack_lvl+0x110/0x170 [ 56.160300][ T561] ? __cfi_dump_stack_lvl+0x8/0x8 [ 56.165367][ T561] dump_stack+0x15/0x24 [ 56.169566][ T561] should_fail_ex+0x3d4/0x520 [ 56.174323][ T561] should_fail+0xb/0x10 [ 56.178525][ T561] should_fail_usercopy+0x1a/0x20 [ 56.183594][ T561] _copy_to_user+0x1e/0x90 [ 56.188063][ T561] simple_read_from_buffer+0xe9/0x160 [ 56.193467][ T561] proc_fail_nth_read+0x1a6/0x220 [ 56.198521][ T561] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 56.204087][ T561] ? security_file_permission+0x94/0xb0 [ 56.209688][ T561] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 56.215249][ T561] vfs_read+0x27a/0x910 [ 56.219430][ T561] ? __cfi_vfs_read+0x10/0x10 [ 56.224213][ T561] ? __kasan_check_write+0x14/0x20 [ 56.229426][ T561] ? mutex_lock+0x93/0x1b0 [ 56.233864][ T561] ? __cfi_mutex_lock+0x10/0x10 [ 56.238734][ T561] ? __fdget_pos+0x2cd/0x380 [ 56.243366][ T561] ? ksys_read+0x71/0x250 [ 56.247704][ T561] ksys_read+0x149/0x250 [ 56.251970][ T561] ? __cfi_ksys_read+0x10/0x10 [ 56.256747][ T561] ? fpregs_restore_userregs+0x128/0x260 [ 56.262393][ T561] __x64_sys_read+0x7b/0x90 [ 56.266906][ T561] x64_sys_call+0x2f/0x9a0 [ 56.271412][ T561] do_syscall_64+0x4c/0xa0 [ 56.275845][ T561] ? clear_bhb_loop+0x30/0x80 [ 56.280536][ T561] ? clear_bhb_loop+0x30/0x80 [ 56.285224][ T561] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 56.291141][ T561] RIP: 0033:0x7f816ef5ac4e [ 56.295565][ T561] 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 [ 56.315271][ T561] RSP: 002b:00007f816ff17fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 56.323783][ T561] RAX: ffffffffffffffda RBX: 00007f816ff186c0 RCX: 00007f816ef5ac4e [ 56.331948][ T561] RDX: 000000000000000f RSI: 00007f816ff180a0 RDI: 0000000000000006 [ 56.340030][ T561] RBP: 00007f816ff18090 R08: 0000000000000000 R09: 0000000000000000 [ 56.348118][ T561] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 56.356186][ T561] R13: 00007f816f1e6038 R14: 00007f816f1e5fa0 R15: 00007ffeef81b8b8 [ 56.364175][ T561] [ 56.371331][ T563] CPU: 1 PID: 563 Comm: syz.6.34 Not tainted syzkaller #0 [ 56.378495][ T563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 56.388671][ T563] Call Trace: [ 56.391970][ T563] [ 56.394913][ T563] __dump_stack+0x21/0x24 [ 56.399353][ T563] dump_stack_lvl+0x110/0x170 [ 56.404073][ T563] ? __cfi_dump_stack_lvl+0x8/0x8 [ 56.409118][ T563] dump_stack+0x15/0x24 [ 56.413285][ T563] should_fail_ex+0x3d4/0x520 [ 56.417980][ T563] should_fail+0xb/0x10 [ 56.422180][ T563] should_fail_usercopy+0x1a/0x20 [ 56.427221][ T563] _copy_to_user+0x1e/0x90 [ 56.431656][ T563] simple_read_from_buffer+0xe9/0x160 [ 56.437050][ T563] proc_fail_nth_read+0x1a6/0x220 [ 56.442085][ T563] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 56.447656][ T563] ? security_file_permission+0x94/0xb0 [ 56.453223][ T563] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 56.458799][ T563] vfs_read+0x27a/0x910 [ 56.463003][ T563] ? __cfi_vfs_read+0x10/0x10 [ 56.467714][ T563] ? __kasan_check_write+0x14/0x20 [ 56.472837][ T563] ? mutex_lock+0x93/0x1b0 [ 56.477280][ T563] ? __cfi_mutex_lock+0x10/0x10 [ 56.482160][ T563] ? __fdget_pos+0x2cd/0x380 [ 56.486770][ T563] ? ksys_read+0x71/0x250 [ 56.491123][ T563] ksys_read+0x149/0x250 [ 56.495380][ T563] ? __cfi_ksys_read+0x10/0x10 [ 56.500151][ T563] ? fput+0x15b/0x1a0 [ 56.504183][ T563] ? debug_smp_processor_id+0x17/0x20 [ 56.509840][ T563] __x64_sys_read+0x7b/0x90 [ 56.514354][ T563] x64_sys_call+0x2f/0x9a0 [ 56.518810][ T563] do_syscall_64+0x4c/0xa0 [ 56.523315][ T563] ? clear_bhb_loop+0x30/0x80 [ 56.528017][ T563] ? clear_bhb_loop+0x30/0x80 [ 56.532730][ T563] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 56.538651][ T563] RIP: 0033:0x7f714af5ac4e [ 56.543079][ T563] 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 [ 56.562698][ T563] RSP: 002b:00007f714bec3fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 56.571126][ T563] RAX: ffffffffffffffda RBX: 00007f714bec46c0 RCX: 00007f714af5ac4e [ 56.579371][ T563] RDX: 000000000000000f RSI: 00007f714bec40a0 RDI: 0000000000000006 [ 56.587424][ T563] RBP: 00007f714bec4090 R08: 0000000000000000 R09: 0000000000000000 [ 56.595403][ T563] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 56.603498][ T563] R13: 00007f714b1e6038 R14: 00007f714b1e5fa0 R15: 00007ffdef4bafd8 [ 56.611503][ T563] [ 56.615821][ T565] FAULT_INJECTION: forcing a failure. [ 56.615821][ T565] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 56.631280][ T565] CPU: 1 PID: 565 Comm: syz.0.35 Not tainted syzkaller #0 [ 56.638446][ T565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 56.648710][ T565] Call Trace: [ 56.652014][ T565] [ 56.654976][ T565] __dump_stack+0x21/0x24 [ 56.659350][ T565] dump_stack_lvl+0x110/0x170 [ 56.664330][ T565] ? __cfi_dump_stack_lvl+0x8/0x8 [ 56.669403][ T565] dump_stack+0x15/0x24 [ 56.673613][ T565] should_fail_ex+0x3d4/0x520 [ 56.678353][ T565] should_fail+0xb/0x10 [ 56.682553][ T565] should_fail_usercopy+0x1a/0x20 [ 56.687704][ T565] _copy_to_user+0x1e/0x90 [ 56.692150][ T565] simple_read_from_buffer+0xe9/0x160 [ 56.697628][ T565] proc_fail_nth_read+0x1a6/0x220 [ 56.702760][ T565] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 56.708360][ T565] ? security_file_permission+0x94/0xb0 [ 56.713940][ T565] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 56.719507][ T565] vfs_read+0x27a/0x910 [ 56.723687][ T565] ? __cfi_vfs_read+0x10/0x10 [ 56.728385][ T565] ? __kasan_check_write+0x14/0x20 [ 56.733513][ T565] ? mutex_lock+0x93/0x1b0 [ 56.737956][ T565] ? __cfi_mutex_lock+0x10/0x10 [ 56.742832][ T565] ? __fdget_pos+0x2cd/0x380 [ 56.747545][ T565] ? ksys_read+0x71/0x250 [ 56.751898][ T565] ksys_read+0x149/0x250 [ 56.756173][ T565] ? __cfi_ksys_read+0x10/0x10 [ 56.760958][ T565] ? fput+0x15b/0x1a0 [ 56.764968][ T565] ? debug_smp_processor_id+0x17/0x20 [ 56.770368][ T565] __x64_sys_read+0x7b/0x90 [ 56.774924][ T565] x64_sys_call+0x2f/0x9a0 [ 56.779452][ T565] do_syscall_64+0x4c/0xa0 [ 56.783896][ T565] ? clear_bhb_loop+0x30/0x80 [ 56.788586][ T565] ? clear_bhb_loop+0x30/0x80 [ 56.793285][ T565] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 56.799201][ T565] RIP: 0033:0x7f135b55ac4e [ 56.803636][ T565] 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 [ 56.823342][ T565] RSP: 002b:00007f135c4c2fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 56.831863][ T565] RAX: ffffffffffffffda RBX: 00007f135c4c36c0 RCX: 00007f135b55ac4e [ 56.839849][ T565] RDX: 000000000000000f RSI: 00007f135c4c30a0 RDI: 0000000000000006 [ 56.847920][ T565] RBP: 00007f135c4c3090 R08: 0000000000000000 R09: 0000000000000000 [ 56.855986][ T565] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 56.863967][ T565] R13: 00007f135b7e6038 R14: 00007f135b7e5fa0 R15: 00007ffcbcd5f0d8 [ 56.871989][ T565] [ 56.876349][ T568] FAULT_INJECTION: forcing a failure. [ 56.876349][ T568] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 56.891959][ T568] CPU: 0 PID: 568 Comm: syz.4.36 Not tainted syzkaller #0 [ 56.899180][ T568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 56.909273][ T568] Call Trace: [ 56.912588][ T568] [ 56.915549][ T568] __dump_stack+0x21/0x24 [ 56.919919][ T568] dump_stack_lvl+0x110/0x170 [ 56.924635][ T568] ? __cfi_dump_stack_lvl+0x8/0x8 [ 56.929882][ T568] dump_stack+0x15/0x24 [ 56.934075][ T568] should_fail_ex+0x3d4/0x520 [ 56.938802][ T568] should_fail+0xb/0x10 [ 56.942989][ T568] should_fail_usercopy+0x1a/0x20 [ 56.948139][ T568] _copy_to_user+0x1e/0x90 [ 56.952577][ T568] simple_read_from_buffer+0xe9/0x160 [ 56.957978][ T568] proc_fail_nth_read+0x1a6/0x220 [ 56.963018][ T568] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 56.968577][ T568] ? security_file_permission+0x94/0xb0 [ 56.974144][ T568] ? __cfi_proc_fail_nth_read+0x10/0x10 [ 56.979699][ T568] vfs_read+0x27a/0x910 [ 56.983877][ T568] ? __cfi_vfs_read+0x10/0x10 [ 56.988578][ T568] ? __kasan_check_write+0x14/0x20 [ 56.993786][ T568] ? mutex_lock+0x93/0x1b0 [ 56.998218][ T568] ? __cfi_mutex_lock+0x10/0x10 [ 57.003525][ T568] ? __fdget_pos+0x2cd/0x380 [ 57.008134][ T568] ? ksys_read+0x71/0x250 [ 57.012477][ T568] ksys_read+0x149/0x250 [ 57.016730][ T568] ? __cfi_ksys_read+0x10/0x10 [ 57.021511][ T568] ? fput+0x15b/0x1a0 [ 57.025513][ T568] ? debug_smp_processor_id+0x17/0x20 [ 57.030900][ T568] __x64_sys_read+0x7b/0x90 [ 57.035450][ T568] x64_sys_call+0x2f/0x9a0 [ 57.039887][ T568] do_syscall_64+0x4c/0xa0 [ 57.044336][ T568] ? clear_bhb_loop+0x30/0x80 [ 57.049112][ T568] ? clear_bhb_loop+0x30/0x80 [ 57.053810][ T568] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 57.059811][ T568] RIP: 0033:0x7f816ef5ac4e [ 57.064240][ T568] 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 [ 57.084042][ T568] RSP: 002b:00007f816ff17fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 57.092471][ T568] RAX: ffffffffffffffda RBX: 00007f816ff186c0 RCX: 00007f816ef5ac4e [ 57.100463][ T568] RDX: 000000000000000f RSI: 00007f816ff180a0 RDI: 0000000000000006 [ 57.108531][ T568] RBP: 00007f816ff18090 R08: 0000000000000000 R09: 0000000000000000 [ 57.116527][ T568] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 57.124514][ T568] R13: 00007f816f1e6038 R14: 00007f816f1e5fa0 R15: 00007ffeef81b8b8 [ 57.132591][ T568] [ 57.145883][ T572] FAULT_INJECTION: forcing a failure. [ 57.145883][ T572] name failslab, interval 1, probability 0, space 0, times 0 [ 57.159065][ T572] CPU: 0 PID: 572 Comm: syz.0.38 Not tainted syzkaller #0 [ 57.166228][ T572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 57.176413][ T572] Call Trace: [ 57.179743][ T572] [ 57.182706][ T572] __dump_stack+0x21/0x24 [ 57.187077][ T572] dump_stack_lvl+0x110/0x170 [ 57.191802][ T572] ? __cfi_dump_stack_lvl+0x8/0x8 [ 57.196883][ T572] ? unwind_get_return_address+0x4d/0x90 [ 57.202553][ T572] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 57.208753][ T572] dump_stack+0x15/0x24 [ 57.212942][ T572] should_fail_ex+0x3d4/0x520 [ 57.217643][ T572] __should_failslab+0xac/0xf0 [ 57.222412][ T572] ? tracepoint_probe_unregister+0x211/0x8e0 [ 57.228403][ T572] should_failslab+0x9/0x20 [ 57.232924][ T572] __kmem_cache_alloc_node+0x3d/0x2c0 [ 57.238325][ T572] ? __cfi_mutex_lock+0x10/0x10 [ 57.243214][ T572] ? delete_node+0x3e6/0xa60 [ 57.247819][ T572] ? tracepoint_probe_unregister+0x211/0x8e0 [ 57.253846][ T572] __kmalloc+0xa1/0x1e0 [ 57.258006][ T572] ? __cfi___bpf_trace_neigh_update+0x10/0x10 [ 57.264100][ T572] tracepoint_probe_unregister+0x211/0x8e0 [ 57.269929][ T572] bpf_probe_unregister+0x61/0x70 [ 57.274968][ T572] bpf_raw_tp_link_release+0x63/0x90 [ 57.280278][ T572] bpf_link_free+0x13a/0x3a0 [ 57.284880][ T572] ? bpf_link_put_deferred+0x20/0x20 [ 57.290287][ T572] bpf_link_release+0x15f/0x170 [ 57.295160][ T572] ? __cfi_bpf_link_release+0x10/0x10 [ 57.300531][ T572] __fput+0x1fc/0x8f0 [ 57.304519][ T572] ____fput+0x15/0x20 [ 57.308503][ T572] task_work_run+0x1e1/0x250 [ 57.313103][ T572] ? __cfi_task_work_run+0x10/0x10 [ 57.318240][ T572] ? fput+0x15b/0x1a0 [ 57.322229][ T572] exit_to_user_mode_loop+0x9b/0xb0 [ 57.327436][ T572] exit_to_user_mode_prepare+0x87/0xd0 [ 57.332906][ T572] syscall_exit_to_user_mode+0x1a/0x30 [ 57.338485][ T572] do_syscall_64+0x58/0xa0 [ 57.342919][ T572] ? clear_bhb_loop+0x30/0x80 [ 57.347616][ T572] ? clear_bhb_loop+0x30/0x80 [ 57.352297][ T572] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 57.358233][ T572] RIP: 0033:0x7f135b59a379 [ 57.362647][ 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 [ 57.382264][ T572] RSP: 002b:00007f135c4c3028 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 57.390775][ T572] RAX: 0000000000000000 RBX: 00007f135b7e5fa0 RCX: 00007f135b59a379 [ 57.398843][ T572] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 57.406830][ T572] RBP: 00007f135c4c3090 R08: 0000000000000000 R09: 0000000000000000 [ 57.414978][ T572] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 57.423045][ T572] R13: 00007f135b7e6038 R14: 00007f135b7e5fa0 R15: 00007ffcbcd5f0d8 [ 57.431037][ T572] [ 57.435267][ C0] CFI failure at __traceiter_neigh_update+0x9d/0xf0 (target: 0xffffc900000074f0; expected type: 0xcdd4cfdd) [ 57.443287][ T574] FAULT_INJECTION: forcing a failure. [ 57.443287][ T574] name failslab, interval 1, probability 0, space 0, times 0 [ 57.446927][ C0] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 57.459765][ T574] CPU: 1 PID: 574 Comm: syz.4.39 Not tainted syzkaller #0 [ 57.465612][ C0] CPU: 0 PID: 364 Comm: kworker/0:2 Not tainted syzkaller #0 [ 57.472814][ T574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 57.480188][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 57.490270][ T574] Call Trace: [ 57.490282][ T574] [ 57.500335][ C0] Workqueue: wg-crypt-wg0 wg_packet_encrypt_worker [ 57.503647][ T574] __dump_stack+0x21/0x24 [ 57.506592][ C0] [ 57.506601][ C0] RIP: 0010:__traceiter_neigh_update+0x9d/0xf0 [ 57.513098][ T574] dump_stack_lvl+0x110/0x170 [ 57.517429][ C0] Code: 05 e8 07 23 b2 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 [ 57.519759][ T574] ? __cfi_dump_stack_lvl+0x8/0x8 [ 57.526186][ C0] RSP: 0018:ffffc900000074f0 EFLAGS: 00010282 [ 57.530860][ T574] ? call_rcu+0xb90/0xf90 [ 57.550558][ C0] [ 57.550566][ C0] RAX: 1ffff1102485c116 RBX: ffff8881242e08a8 RCX: 0000000000000004 [ 57.555603][ T574] ? __cfi_stack_trace_consume_entry+0x10/0x10 [ 57.561664][ C0] RDX: ffff88811e7c7856 RSI: ffff8881003d7400 RDI: ffffc90000c9b000 [ 57.566022][ T574] dump_stack+0x15/0x24 [ 57.568350][ C0] RBP: ffffc90000007530 R08: 0000000000000001 R09: 0000000000000000 [ 57.576329][ T574] should_fail_ex+0x3d4/0x520 [ 57.582492][ C0] R10: 00000000d76b972f R11: 0000000000000100 R12: ffffffff81728c70 [ 57.590484][ T574] __should_failslab+0xac/0xf0 [ 57.594648][ C0] R13: 0000000000000004 R14: ffff8881242e08a8 R15: dffffc0000000000 [ 57.602628][ T574] ? tracepoint_probe_unregister+0x211/0x8e0 [ 57.607306][ C0] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 57.615315][ T574] should_failslab+0x9/0x20 [ 57.620090][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.628064][ T574] __kmem_cache_alloc_node+0x3d/0x2c0 [ 57.634044][ C0] CR2: 0000000000000000 CR3: 0000000124183000 CR4: 00000000003506b0 [ 57.642982][ T574] ? __cfi_mutex_lock+0x10/0x10 [ 57.647493][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.654252][ T574] ? delete_node+0x2b3/0xa60 [ 57.659620][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.667735][ T574] ? tracepoint_probe_unregister+0x211/0x8e0 [ 57.672791][ C0] Call Trace: [ 57.680868][ T574] __kmalloc+0xa1/0x1e0 [ 57.685476][ C0] [ 57.693522][ T574] ? __cfi___bpf_trace_neigh_update+0x10/0x10 [ 57.699532][ C0] __neigh_update+0x1f48/0x2080 [ 57.702850][ T574] tracepoint_probe_unregister+0x211/0x8e0 [ 57.707009][ C0] ? neigh_lookup+0x354/0x410 [ 57.709870][ T574] bpf_probe_unregister+0x61/0x70 [ 57.715937][ C0] ? __cfi_arp_key_eq+0x10/0x10 [ 57.720795][ T574] bpf_raw_tp_link_release+0x63/0x90 [ 57.726605][ C0] ? __cfi_neigh_lookup+0x10/0x10 [ 57.731304][ T574] bpf_link_free+0x13a/0x3a0 [ 57.736423][ C0] neigh_event_ns+0xb3/0x120 [ 57.741364][ T574] ? bpf_link_put_deferred+0x20/0x20 [ 57.746684][ C0] arp_process+0x12fc/0x1910 [ 57.751719][ T574] bpf_link_release+0x15f/0x170 [ 57.756315][ C0] ? __cfi_arp_process+0x10/0x10 [ 57.761072][ T574] ? __cfi_bpf_link_release+0x10/0x10 [ 57.766361][ C0] ? __cfi_packet_rcv+0x10/0x10 [ 57.770954][ T574] __fput+0x1fc/0x8f0 [ 57.775806][ C0] ? __netif_receive_skb_core+0x2e2c/0x35d0 [ 57.780746][ T574] ____fput+0x15/0x20 [ 57.786120][ C0] ? __cfi_arp_process+0x10/0x10 [ 57.790967][ T574] task_work_run+0x1e1/0x250 [ 57.795213][ C0] NF_HOOK+0x177/0x1d0 [ 57.801196][ T574] ? __cfi_task_work_run+0x10/0x10 [ 57.805266][ C0] ? __cfi_arp_process+0x10/0x10 [ 57.810218][ T574] ? fput+0x15b/0x1a0 [ 57.814803][ C0] ? arp_xmit+0x1f0/0x1f0 [ 57.818873][ T574] exit_to_user_mode_loop+0x9b/0xb0 [ 57.824154][ C0] ? qdisc_run+0x240/0x240 [ 57.829085][ T574] exit_to_user_mode_prepare+0x87/0xd0 [ 57.833065][ C0] ? __kasan_check_read+0x11/0x20 [ 57.837395][ T574] syscall_exit_to_user_mode+0x1a/0x30 [ 57.842716][ C0] arp_rcv+0x2ef/0x480 [ 57.847136][ T574] do_syscall_64+0x58/0xa0 [ 57.852604][ C0] ? __cfi_arp_rcv+0x10/0x10 [ 57.857628][ T574] ? clear_bhb_loop+0x30/0x80 [ 57.863088][ C0] __netif_receive_skb_list_core+0x71e/0x780 [ 57.867249][ T574] ? clear_bhb_loop+0x30/0x80 [ 57.871696][ C0] ? set_rps_cpu+0x5e0/0x5e0 [ 57.876287][ T574] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 57.880965][ C0] ? receive_buf+0x207b/0x4960 [ 57.886943][ T574] RIP: 0033:0x7f816ef9a379 [ 57.891641][ C0] netif_receive_skb_list_internal+0x7f8/0xab0 [ 57.896225][ T574] 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 [ 57.902298][ C0] ? __cfi_netif_receive_skb_list_internal+0x10/0x10 [ 57.907055][ T574] RSP: 002b:00007f816ff18028 EFLAGS: 00000246 [ 57.911473][ C0] ? detach_buf_split+0x882/0xa80 [ 57.917621][ T574] ORIG_RAX: 0000000000000003 [ 57.917637][ T574] RAX: 0000000000000000 RBX: 00007f816f1e5fa0 RCX: 00007f816ef9a379 [ 57.937237][ C0] napi_complete_done+0x36f/0x7a0 [ 57.943994][ T574] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 57.950063][ C0] ? __cfi_napi_complete_done+0x10/0x10 [ 57.955083][ T574] RBP: 00007f816ff18090 R08: 0000000000000000 R09: 0000000000000000 [ 57.959766][ C0] ? virtqueue_enable_cb_prepare+0x22e/0x510 [ 57.967750][ T574] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 57.972771][ C0] virtnet_poll+0x9b7/0x1180 [ 57.980915][ T574] R13: 00007f816f1e6038 R14: 00007f816f1e5fa0 R15: 00007ffeef81b8b8 [ 57.986464][ C0] ? __cfi_virtnet_poll+0x10/0x10 [ 57.994437][ T574] [ 58.000500][ C0] __napi_poll+0xd0/0x5e0 [ 58.033631][ C0] net_rx_action+0x4b6/0xac0 [ 58.038255][ C0] ? __cfi_net_rx_action+0x10/0x10 [ 58.043465][ C0] ? _raw_spin_unlock_irqrestore+0x5a/0x80 [ 58.049475][ C0] ? irqtime_account_irq+0x75/0x240 [ 58.054701][ C0] handle_softirqs+0x1d7/0x600 [ 58.059477][ C0] __do_softirq+0xb/0xd [ 58.063648][ C0] do_softirq+0xdc/0x130 [ 58.068168][ C0] [ 58.071106][ C0] [ 58.074047][ C0] ? __cfi_do_softirq+0x10/0x10 [ 58.078909][ C0] ? _raw_spin_lock_bh+0x94/0xf0 [ 58.083955][ C0] ? __cfi__raw_spin_lock_bh+0x10/0x10 [ 58.089432][ C0] ? __kasan_check_write+0x14/0x20 [ 58.094550][ C0] ? wg_peer_put+0xda/0x100 [ 58.099074][ C0] __local_bh_enable_ip+0x75/0x80 [ 58.104286][ C0] _raw_spin_unlock_bh+0x50/0x60 [ 58.109241][ C0] wg_packet_encrypt_worker+0x2cf/0x1530 [ 58.115065][ C0] ? __update_load_avg_cfs_rq+0xaf/0x2f0 [ 58.120714][ C0] ? __cfi_wg_packet_encrypt_worker+0x10/0x10 [ 58.126797][ C0] ? update_load_avg+0x4bf/0x13f0 [ 58.131850][ C0] ? enqueue_task_fair+0xbee/0x1d40 [ 58.137061][ C0] ? __cfi_enqueue_task_fair+0x10/0x10 [ 58.142530][ C0] ? check_preempt_wakeup+0x815/0xbe0 [ 58.147911][ C0] ? psi_group_change+0xb73/0x12b0 [ 58.153033][ C0] ? __cfi_check_preempt_wakeup+0x10/0x10 [ 58.158757][ C0] ? sched_clock_cpu+0x6e/0x260 [ 58.163633][ C0] ? activate_task+0x40/0xa0 [ 58.168246][ C0] ? __cfi_sched_clock_cpu+0x10/0x10 [ 58.173546][ C0] ? __kasan_check_read+0x11/0x20 [ 58.178622][ C0] ? ttwu_do_wakeup+0xfb/0x490 [ 58.183427][ C0] ? ttwu_do_activate+0x174/0x280 [ 58.188466][ C0] ? _raw_spin_unlock_irqrestore+0x5a/0x80 [ 58.194287][ C0] ? try_to_wake_up+0x613/0x1220 [ 58.199346][ C0] process_one_work+0x71f/0xc40 [ 58.204212][ C0] worker_thread+0xa29/0x11e0 [ 58.208901][ C0] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 58.214380][ C0] ? __kthread_parkme+0x142/0x180 [ 58.219508][ C0] kthread+0x281/0x320 [ 58.223588][ C0] ? __cfi_worker_thread+0x10/0x10 [ 58.228713][ C0] ? __cfi_kthread+0x10/0x10 [ 58.233503][ C0] ret_from_fork+0x1f/0x30 [ 58.237943][ C0] [ 58.241044][ C0] Modules linked in: [ 58.245027][ C0] ---[ end trace 0000000000000000 ]--- [ 58.250562][ C0] RIP: 0010:__traceiter_neigh_update+0x9d/0xf0 [ 58.256866][ C0] Code: 05 e8 07 23 b2 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 [ 58.276538][ C0] RSP: 0018:ffffc900000074f0 EFLAGS: 00010282 [ 58.282776][ C0] RAX: 1ffff1102485c116 RBX: ffff8881242e08a8 RCX: 0000000000000004 [ 58.290994][ C0] RDX: ffff88811e7c7856 RSI: ffff8881003d7400 RDI: ffffc90000c9b000 [ 58.299047][ C0] RBP: ffffc90000007530 R08: 0000000000000001 R09: 0000000000000000 [ 58.307056][ C0] R10: 00000000d76b972f R11: 0000000000000100 R12: ffffffff81728c70 [ 58.315115][ C0] R13: 0000000000000004 R14: ffff8881242e08a8 R15: dffffc0000000000 [ 58.323131][ C0] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 58.332129][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.338853][ C0] CR2: 0000000000000000 CR3: 0000000124183000 CR4: 00000000003506b0 [ 58.346888][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.354973][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.363011][ C0] Kernel panic - not syncing: Fatal exception in interrupt [ 58.370800][ C0] Kernel Offset: disabled [ 58.375198][ C0] Rebooting in 86400 seconds..