lost connection to test machine Warning: Permanently added '[localhost]:24041' (ED25519) to the list of known hosts. 2026/02/02 23:24:09 parsed 1 programs syzkaller login: [ 89.173010][ T5311] cgroup: Unknown subsys name 'net' [ 89.249359][ T5311] cgroup: Unknown subsys name 'cpuset' [ 89.254955][ T5311] cgroup: Unknown subsys name 'rlimit' [ 91.032634][ T5311] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 91.551440][ T79] ODEBUG: Out of memory. ODEBUG disabled [ 96.526632][ T5333] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 96.996994][ T5338] chnl_net:caif_netlink_parms(): no params data found [ 97.056591][ T9] cfg80211: failed to load regulatory.db [ 97.138279][ T5338] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.142331][ T5338] bridge0: port 1(bridge_slave_0) entered disabled state [ 97.146241][ T5338] bridge_slave_0: entered allmulticast mode [ 97.156284][ T5338] bridge_slave_0: entered promiscuous mode [ 97.167432][ T5338] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.170702][ T5338] bridge0: port 2(bridge_slave_1) entered disabled state [ 97.173973][ T5338] bridge_slave_1: entered allmulticast mode [ 97.196892][ T5338] bridge_slave_1: entered promiscuous mode [ 97.248683][ T5338] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 97.268869][ T5338] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 97.313558][ T5338] team0: Port device team_slave_0 added [ 97.327867][ T5338] team0: Port device team_slave_1 added [ 97.372145][ T5338] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 97.375316][ T5338] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 97.405784][ T5338] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 97.413595][ T5338] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 97.426461][ T5338] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 97.446490][ T5338] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 97.517264][ T5338] hsr_slave_0: entered promiscuous mode [ 97.520634][ T5338] hsr_slave_1: entered promiscuous mode [ 97.798245][ T5338] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 97.817726][ T5338] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 97.824755][ T5338] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 97.839036][ T5338] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 97.885684][ T5338] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.889024][ T5338] bridge0: port 2(bridge_slave_1) entered forwarding state [ 97.892400][ T5338] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.895552][ T5338] bridge0: port 1(bridge_slave_0) entered forwarding state [ 97.932706][ T1046] bridge0: port 1(bridge_slave_0) entered disabled state [ 97.937320][ T1046] bridge0: port 2(bridge_slave_1) entered disabled state [ 98.032581][ T5338] 8021q: adding VLAN 0 to HW filter on device bond0 [ 98.057744][ T5338] 8021q: adding VLAN 0 to HW filter on device team0 [ 98.078610][ T1046] bridge0: port 1(bridge_slave_0) entered blocking state [ 98.081774][ T1046] bridge0: port 1(bridge_slave_0) entered forwarding state [ 98.098519][ T1046] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.101758][ T1046] bridge0: port 2(bridge_slave_1) entered forwarding state [ 98.380639][ T5338] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 98.414600][ T5338] veth0_vlan: entered promiscuous mode [ 98.423596][ T5338] veth1_vlan: entered promiscuous mode [ 98.449215][ T5338] veth0_macvtap: entered promiscuous mode [ 98.454909][ T5338] veth1_macvtap: entered promiscuous mode [ 98.469862][ T5338] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 98.480112][ T5338] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 98.494498][ T1091] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.500832][ T1091] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.504707][ T1091] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.515421][ T1091] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.664478][ T1046] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 98.706506][ T1046] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 98.745020][ T1046] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 98.788122][ T1046] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 98.822652][ T1091] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 98.834708][ T1091] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 98.869635][ T1042] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 98.873771][ T1042] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 101.337113][ T1046] bridge_slave_1: left allmulticast mode [ 101.340260][ T1046] bridge_slave_1: left promiscuous mode [ 101.343592][ T1046] bridge0: port 2(bridge_slave_1) entered disabled state [ 101.401423][ T1046] bridge_slave_0: left allmulticast mode [ 101.403953][ T1046] bridge_slave_0: left promiscuous mode [ 101.416193][ T1046] bridge0: port 1(bridge_slave_0) entered disabled state [ 101.817735][ T1046] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 101.826356][ T1046] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 101.837095][ T1046] bond0 (unregistering): Released all slaves [ 102.037949][ T1046] hsr_slave_0: left promiscuous mode [ 102.060300][ T1046] hsr_slave_1: left promiscuous mode [ 102.066705][ T1046] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 102.070049][ T1046] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 102.117862][ T1046] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 102.121309][ T1046] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 102.218614][ T1046] veth1_macvtap: left promiscuous mode [ 102.221591][ T1046] veth0_macvtap: left promiscuous mode [ 102.224330][ T1046] veth1_vlan: left promiscuous mode [ 102.289895][ T1046] veth0_vlan: left promiscuous mode [ 102.388097][ T5398] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 102.392240][ T5398] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 102.396629][ T5398] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 102.400377][ T5398] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 102.403832][ T5398] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 102.986839][ T1046] team0 (unregistering): Port device team_slave_1 removed [ 103.027051][ T1046] team0 (unregistering): Port device team_slave_0 removed 2026/02/02 23:24:29 executed programs: 0 [ 106.805338][ T4667] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 106.811149][ T4667] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 106.815685][ T4667] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 106.820041][ T4667] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 106.823613][ T4667] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 106.999574][ T5444] chnl_net:caif_netlink_parms(): no params data found [ 107.067056][ T5444] bridge0: port 1(bridge_slave_0) entered blocking state [ 107.071016][ T5444] bridge0: port 1(bridge_slave_0) entered disabled state [ 107.074312][ T5444] bridge_slave_0: entered allmulticast mode [ 107.078662][ T5444] bridge_slave_0: entered promiscuous mode [ 107.083149][ T5444] bridge0: port 2(bridge_slave_1) entered blocking state [ 107.087724][ T5444] bridge0: port 2(bridge_slave_1) entered disabled state [ 107.091024][ T5444] bridge_slave_1: entered allmulticast mode [ 107.095129][ T5444] bridge_slave_1: entered promiscuous mode [ 107.117009][ T5444] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 107.123359][ T5444] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 107.144755][ T5444] team0: Port device team_slave_0 added [ 107.150054][ T5444] team0: Port device team_slave_1 added [ 107.168331][ T5444] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 107.171371][ T5444] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 107.183606][ T5444] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 107.190644][ T5444] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 107.193752][ T5444] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 107.207039][ T5444] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 107.237947][ T5444] hsr_slave_0: entered promiscuous mode [ 107.241175][ T5444] hsr_slave_1: entered promiscuous mode [ 107.634669][ T5444] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 107.652760][ T5444] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 107.669731][ T5444] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 107.686443][ T5444] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 107.729000][ T5444] bridge0: port 2(bridge_slave_1) entered blocking state [ 107.732260][ T5444] bridge0: port 2(bridge_slave_1) entered forwarding state [ 107.735719][ T5444] bridge0: port 1(bridge_slave_0) entered blocking state [ 107.738955][ T5444] bridge0: port 1(bridge_slave_0) entered forwarding state [ 107.837985][ T5444] 8021q: adding VLAN 0 to HW filter on device bond0 [ 107.868866][ T1042] bridge0: port 1(bridge_slave_0) entered disabled state [ 107.872583][ T1042] bridge0: port 2(bridge_slave_1) entered disabled state [ 107.892233][ T5444] 8021q: adding VLAN 0 to HW filter on device team0 [ 107.924871][ T1042] bridge0: port 1(bridge_slave_0) entered blocking state [ 107.928122][ T1042] bridge0: port 1(bridge_slave_0) entered forwarding state [ 107.956818][ T1046] bridge0: port 2(bridge_slave_1) entered blocking state [ 107.960073][ T1046] bridge0: port 2(bridge_slave_1) entered forwarding state [ 108.256286][ T5444] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 108.313232][ T5444] veth0_vlan: entered promiscuous mode [ 108.332877][ T5444] veth1_vlan: entered promiscuous mode [ 108.371355][ T5444] veth0_macvtap: entered promiscuous mode [ 108.386803][ T5444] veth1_macvtap: entered promiscuous mode [ 108.417876][ T5444] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 108.438479][ T5444] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 108.447711][ T1042] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 108.451663][ T1042] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 108.465349][ T1042] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 108.477213][ T1042] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 108.556905][ T1083] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 108.560279][ T1083] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 108.613333][ T1042] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 108.617894][ T1042] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 108.888311][ T4667] Bluetooth: hci0: command tx timeout [ 109.938849][ T1046] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 111.065773][ T1046] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 111.484980][ T1046] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 111.528066][ T1046] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 111.645981][ T1046] bridge_slave_1: left allmulticast mode [ 111.649805][ T1046] bridge_slave_1: left promiscuous mode [ 111.652427][ T1046] bridge0: port 2(bridge_slave_1) entered disabled state [ 111.667668][ T1046] bridge_slave_0: left allmulticast mode [ 111.670266][ T1046] bridge_slave_0: left promiscuous mode [ 111.672816][ T1046] bridge0: port 1(bridge_slave_0) entered disabled state [ 112.076661][ T1046] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 112.082223][ T1046] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 112.088676][ T1046] bond0 (unregistering): Released all slaves [ 112.273983][ T1046] hsr_slave_0: left promiscuous mode [ 112.287523][ T1046] hsr_slave_1: left promiscuous mode [ 112.290403][ T1046] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 112.293614][ T1046] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 112.316261][ T1046] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 112.319627][ T1046] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 112.335313][ T1046] veth1_macvtap: left promiscuous mode [ 112.345928][ T1046] veth0_macvtap: left promiscuous mode [ 112.348428][ T1046] veth1_vlan: left promiscuous mode [ 112.350791][ T1046] veth0_vlan: left promiscuous mode [ 112.629173][ T1046] team0 (unregistering): Port device team_slave_1 removed [ 112.644161][ T1046] team0 (unregistering): Port device team_slave_0 removed syzkaller build log: go env (err=) AR='ar' CC='gcc' CGO_CFLAGS='-O2 -g' CGO_CPPFLAGS='' CGO_CXXFLAGS='-O2 -g' CGO_ENABLED='1' CGO_FFLAGS='-O2 -g' CGO_LDFLAGS='-O2 -g' CXX='g++' GCCGO='gccgo' GO111MODULE='auto' GOAMD64='v1' GOARCH='amd64' GOAUTH='netrc' GOBIN='' GOCACHE='/syzkaller/.cache/go-build' GOCACHEPROG='' GODEBUG='' GOENV='/syzkaller/.config/go/env' GOEXE='' GOEXPERIMENT='' GOFIPS140='off' GOFLAGS='' GOGCCFLAGS='-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -ffile-prefix-map=/tmp/go-build7251908=/tmp/go-build -gno-record-gcc-switches' GOHOSTARCH='amd64' GOHOSTOS='linux' GOINSECURE='' GOMOD='/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/go.mod' GOMODCACHE='/syzkaller/jobs/linux/gopath/pkg/mod' GONOPROXY='' GONOSUMDB='' GOOS='linux' GOPATH='/syzkaller/jobs/linux/gopath' GOPRIVATE='' GOPROXY='https://proxy.golang.org,direct' GOROOT='/usr/local/go' GOSUMDB='sum.golang.org' GOTELEMETRY='local' GOTELEMETRYDIR='/syzkaller/.config/go/telemetry' GOTMPDIR='' GOTOOLCHAIN='auto' GOTOOLDIR='/usr/local/go/pkg/tool/linux_amd64' GOVCS='' GOVERSION='go1.24.4' GOWORK='' PKG_CONFIG='pkg-config' git status (err=) HEAD detached at 4f67c4aece4f nothing to commit, working tree clean tput: No value for $TERM and no -T specified tput: No value for $TERM and no -T specified Makefile:31: run command via tools/syz-env for best compatibility, see: Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env go list -f '{{.Stale}}' ./sys/syz-sysgen | grep -q false || go install ./sys/syz-sysgen make .descriptions tput: No value for $TERM and no -T specified tput: No value for $TERM and no -T specified Makefile:31: run command via tools/syz-env for best compatibility, see: Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env bin/syz-sysgen touch .descriptions GOOS=linux GOARCH=amd64 go build -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=4f67c4aece4f5794be20c6bc99c177e44b1320e8 -X github.com/google/syzkaller/prog.gitRevisionDate=20250704-175521" -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog mkdir -p ./bin/linux_amd64 g++ -o ./bin/linux_amd64/syz-executor executor/executor.cc \ -m64 -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-format-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -static-pie -std=c++17 -I. -Iexecutor/_include -DGOOS_linux=1 -DGOARCH_amd64=1 \ -DHOSTGOOS_linux=1 -DGIT_REVISION=\"4f67c4aece4f5794be20c6bc99c177e44b1320e8\" /usr/bin/ld: /tmp/ccianjFR.o: in function `Connection::Connect(char const*, char const*)': executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEPKcS1_]+0x386): warning: Using 'gethostbyname' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking