lost connection to test machine Warning: Permanently added '[localhost]:3470' (ED25519) to the list of known hosts. 2026/02/03 12:04:47 parsed 1 programs syzkaller login: [ 89.167384][ T5309] cgroup: Unknown subsys name 'net' [ 89.232749][ T5309] cgroup: Unknown subsys name 'cpuset' [ 89.238406][ T5309] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 91.210473][ T5309] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 91.877102][ T1355] cfg80211: failed to load regulatory.db [ 98.086396][ T5331] 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. [ 98.851713][ T46] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 98.855953][ T46] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 98.860297][ T46] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 98.864410][ T46] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 98.868219][ T46] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 100.905886][ T46] Bluetooth: hci0: command tx timeout [ 102.956913][ T31] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 102.982506][ T31] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 103.280954][ T3037] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 103.298657][ T3037] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 103.947246][ T5372] chnl_net:caif_netlink_parms(): no params data found [ 104.315874][ T5372] bridge0: port 1(bridge_slave_0) entered blocking state [ 104.324591][ T5372] bridge0: port 1(bridge_slave_0) entered disabled state [ 104.327812][ T5372] bridge_slave_0: entered allmulticast mode [ 104.350662][ T5372] bridge_slave_0: entered promiscuous mode [ 104.380246][ T5372] bridge0: port 2(bridge_slave_1) entered blocking state [ 104.393201][ T5372] bridge0: port 2(bridge_slave_1) entered disabled state [ 104.406869][ T5372] bridge_slave_1: entered allmulticast mode [ 104.418501][ T5372] bridge_slave_1: entered promiscuous mode [ 104.513569][ T5372] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 104.538722][ T5372] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 104.631294][ T5372] team0: Port device team_slave_0 added [ 104.636637][ T5372] team0: Port device team_slave_1 added [ 104.713558][ T5372] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 104.716571][ T5372] 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. [ 104.759617][ T5372] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 104.784501][ T5372] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 104.787716][ T5372] 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. [ 104.832036][ T5372] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 104.980872][ T5372] hsr_slave_0: entered promiscuous mode [ 104.989718][ T5372] hsr_slave_1: entered promiscuous mode [ 105.436321][ T5372] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 105.474521][ T5372] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 105.492114][ T5372] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 105.511296][ T5372] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 105.705790][ T5372] 8021q: adding VLAN 0 to HW filter on device bond0 [ 105.728547][ T5372] 8021q: adding VLAN 0 to HW filter on device team0 [ 105.764369][ T1039] bridge0: port 1(bridge_slave_0) entered blocking state [ 105.767888][ T1039] bridge0: port 1(bridge_slave_0) entered forwarding state [ 105.804040][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 105.807258][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 106.239972][ T5372] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 106.322531][ T5372] veth0_vlan: entered promiscuous mode [ 106.346222][ T5372] veth1_vlan: entered promiscuous mode [ 106.401019][ T5372] veth0_macvtap: entered promiscuous mode [ 106.413287][ T5372] veth1_macvtap: entered promiscuous mode [ 106.461713][ T5372] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 106.483307][ T5372] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 106.506737][ T31] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.511591][ T31] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.515475][ T31] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.531101][ T31] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2026/02/03 12:05:07 executed programs: 0 [ 107.030521][ T4666] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 107.034956][ T4666] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 107.038721][ T4666] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 107.050899][ T4666] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 107.054366][ T4666] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 107.609845][ T5429] chnl_net:caif_netlink_parms(): no params data found [ 107.762014][ T5429] bridge0: port 1(bridge_slave_0) entered blocking state [ 107.765370][ T5429] bridge0: port 1(bridge_slave_0) entered disabled state [ 107.768671][ T5429] bridge_slave_0: entered allmulticast mode [ 107.780959][ T5429] bridge_slave_0: entered promiscuous mode [ 107.791531][ T5429] bridge0: port 2(bridge_slave_1) entered blocking state [ 107.794817][ T5429] bridge0: port 2(bridge_slave_1) entered disabled state [ 107.797851][ T5429] bridge_slave_1: entered allmulticast mode [ 107.814331][ T5429] bridge_slave_1: entered promiscuous mode [ 107.868850][ T5429] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 107.890386][ T5429] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 107.963359][ T5429] team0: Port device team_slave_0 added [ 107.990675][ T5429] team0: Port device team_slave_1 added [ 108.059626][ T5429] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 108.062770][ T5429] 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. [ 108.092397][ T5429] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 108.109258][ T5429] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 108.112339][ T5429] 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. [ 108.138289][ T5429] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 108.226638][ T5429] hsr_slave_0: entered promiscuous mode [ 108.240076][ T5429] hsr_slave_1: entered promiscuous mode [ 108.243134][ T5429] debugfs: 'hsr0' already exists in 'hsr' [ 108.247733][ T5429] Cannot create hsr debugfs directory [ 108.562072][ T5429] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 108.584494][ T5429] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 108.601329][ T5429] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 108.607725][ T5429] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 108.736256][ T5429] 8021q: adding VLAN 0 to HW filter on device bond0 [ 108.752729][ T5429] 8021q: adding VLAN 0 to HW filter on device team0 [ 108.762178][ T3037] bridge0: port 1(bridge_slave_0) entered blocking state [ 108.765609][ T3037] bridge0: port 1(bridge_slave_0) entered forwarding state [ 108.786267][ T3037] bridge0: port 2(bridge_slave_1) entered blocking state [ 108.789551][ T3037] bridge0: port 2(bridge_slave_1) entered forwarding state [ 108.987481][ T5429] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 109.046291][ T5429] veth0_vlan: entered promiscuous mode [ 109.063199][ T5429] veth1_vlan: entered promiscuous mode [ 109.086785][ T5429] veth0_macvtap: entered promiscuous mode [ 109.093412][ T5429] veth1_macvtap: entered promiscuous mode [ 109.108749][ T5429] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 109.120934][ T5429] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 109.131836][ T31] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 109.137942][ T31] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 109.143431][ T4666] Bluetooth: hci0: command tx timeout [ 109.154876][ T31] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 109.158855][ T31] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 109.218925][ T31] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 109.231490][ T31] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 109.256371][ T13] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 109.261116][ T13] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 109.546160][ T5372] syz-executor (5372) used greatest stack depth: 15584 bytes left [ 110.017956][ T3037] netdevsim netdevsim2 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 110.095534][ T3037] netdevsim netdevsim2 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 110.172316][ T3037] netdevsim netdevsim2 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 110.246089][ T3037] netdevsim netdevsim2 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 110.484904][ T3037] bridge_slave_1: left allmulticast mode [ 110.487575][ T3037] bridge_slave_1: left promiscuous mode [ 110.501714][ T3037] bridge0: port 2(bridge_slave_1) entered disabled state [ 110.513628][ T3037] bridge_slave_0: left allmulticast mode [ 110.516252][ T3037] bridge_slave_0: left promiscuous mode [ 110.530017][ T3037] bridge0: port 1(bridge_slave_0) entered disabled state [ 111.092046][ T3037] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 111.111523][ T3037] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 111.129325][ T3037] bond0 (unregistering): Released all slaves [ 111.560994][ T3037] hsr_slave_0: left promiscuous mode [ 111.570186][ T3037] hsr_slave_1: left promiscuous mode [ 111.573436][ T3037] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 111.576667][ T3037] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 111.591415][ T3037] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 111.594635][ T3037] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 111.623931][ T3037] veth1_macvtap: left promiscuous mode [ 111.626723][ T3037] veth0_macvtap: left promiscuous mode [ 111.646468][ T3037] veth1_vlan: left promiscuous mode [ 111.658695][ T3037] veth0_vlan: left promiscuous mode [ 112.065744][ T3037] team0 (unregistering): Port device team_slave_1 removed [ 112.090639][ T3037] team0 (unregistering): Port device team_slave_0 removed [ 112.658460][ T1040] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 112.727073][ T1040] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 112.794125][ T1040] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 112.853571][ T1040] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 113.038085][ T1040] bridge_slave_1: left allmulticast mode [ 113.049591][ T1040] bridge_slave_1: left promiscuous mode [ 113.052288][ T1040] bridge0: port 2(bridge_slave_1) entered disabled state [ 113.057302][ T1040] bridge_slave_0: left allmulticast mode [ 113.069997][ T1040] bridge_slave_0: left promiscuous mode [ 113.079713][ T1040] bridge0: port 1(bridge_slave_0) entered disabled state [ 113.352643][ T1040] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 113.358184][ T1040] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 113.363783][ T1040] bond0 (unregistering): Released all slaves [ 113.607733][ T1040] hsr_slave_0: left promiscuous mode [ 113.620364][ T1040] hsr_slave_1: left promiscuous mode [ 113.631025][ T1040] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 113.634313][ T1040] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 113.649418][ T1040] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 113.652738][ T1040] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 113.676803][ T1040] veth1_macvtap: left promiscuous mode [ 113.679647][ T1040] veth0_macvtap: left promiscuous mode [ 113.682212][ T1040] veth1_vlan: left promiscuous mode [ 113.685235][ T1040] veth0_vlan: left promiscuous mode [ 114.094925][ T1040] team0 (unregistering): Port device team_slave_1 removed [ 114.121582][ T1040] 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-build2823694871=/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 d1b870e1003b 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}}' -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=d1b870e1003b52891d2196c1e2ee42fe905010ba -X github.com/google/syzkaller/prog.gitRevisionDate=20251128-125159" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=d1b870e1003b52891d2196c1e2ee42fe905010ba -X github.com/google/syzkaller/prog.gitRevisionDate=20251128-125159" ./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=d1b870e1003b52891d2196c1e2ee42fe905010ba -X github.com/google/syzkaller/prog.gitRevisionDate=20251128-125159" -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=\"d1b870e1003b52891d2196c1e2ee42fe905010ba\" /usr/bin/ld: /tmp/cc1gCKri.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 ./tools/check-syzos.sh 2>/dev/null