lost connection to test machine Warning: Permanently added '[localhost]:20863' (ED25519) to the list of known hosts. 2026/02/03 08:59:26 parsed 1 programs syzkaller login: [ 89.402988][ T5312] cgroup: Unknown subsys name 'net' [ 89.480483][ T5312] cgroup: Unknown subsys name 'cpuset' [ 89.490275][ T5312] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 91.303877][ T5312] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 97.035187][ T9] cfg80211: failed to load regulatory.db [ 97.331950][ T5332] 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. [ 99.595971][ T5372] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 99.604020][ T5372] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 99.608737][ T5372] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 99.613731][ T5372] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 99.617407][ T5372] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 101.620896][ T1056] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 101.631729][ T1056] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 101.895042][ T1056] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 101.898555][ T1056] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 102.968820][ T5362] chnl_net:caif_netlink_parms(): no params data found [ 103.257493][ T5362] bridge0: port 1(bridge_slave_0) entered blocking state [ 103.265100][ T5362] bridge0: port 1(bridge_slave_0) entered disabled state [ 103.268214][ T5362] bridge_slave_0: entered allmulticast mode [ 103.305604][ T5362] bridge_slave_0: entered promiscuous mode [ 103.317345][ T5362] bridge0: port 2(bridge_slave_1) entered blocking state [ 103.339483][ T5362] bridge0: port 2(bridge_slave_1) entered disabled state [ 103.355616][ T5362] bridge_slave_1: entered allmulticast mode [ 103.365192][ T5362] bridge_slave_1: entered promiscuous mode [ 103.466386][ T5362] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 103.472706][ T5362] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 103.555884][ T5362] team0: Port device team_slave_0 added [ 103.587323][ T5362] team0: Port device team_slave_1 added [ 103.660769][ T5362] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 103.663862][ T5362] 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. [ 103.695098][ T5362] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 103.704851][ T5362] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 103.716397][ T5362] 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. [ 103.744987][ T5362] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 103.836213][ T5362] hsr_slave_0: entered promiscuous mode [ 103.839760][ T5362] hsr_slave_1: entered promiscuous mode [ 104.287813][ T5362] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 104.312731][ T5362] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 104.328950][ T5362] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 104.347022][ T5362] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 104.502311][ T5362] 8021q: adding VLAN 0 to HW filter on device bond0 [ 104.529673][ T5362] 8021q: adding VLAN 0 to HW filter on device team0 [ 104.549629][ T134] bridge0: port 1(bridge_slave_0) entered blocking state [ 104.552990][ T134] bridge0: port 1(bridge_slave_0) entered forwarding state [ 104.578944][ T134] bridge0: port 2(bridge_slave_1) entered blocking state [ 104.582023][ T134] bridge0: port 2(bridge_slave_1) entered forwarding state [ 104.796989][ T5362] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 104.833951][ T5362] veth0_vlan: entered promiscuous mode [ 104.843931][ T5362] veth1_vlan: entered promiscuous mode [ 104.870984][ T5362] veth0_macvtap: entered promiscuous mode [ 104.878356][ T5362] veth1_macvtap: entered promiscuous mode [ 104.892023][ T5362] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 104.901606][ T5362] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 104.913397][ T1056] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 104.920372][ T1056] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 104.936533][ T1056] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 104.940457][ T1056] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2026/02/03 08:59:44 executed programs: 0 [ 105.215764][ T5372] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 105.220233][ T5372] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 105.223794][ T5372] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 105.236885][ T5372] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 105.240405][ T5372] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 105.542977][ T5433] chnl_net:caif_netlink_parms(): no params data found [ 105.623283][ T5433] bridge0: port 1(bridge_slave_0) entered blocking state [ 105.635166][ T5433] bridge0: port 1(bridge_slave_0) entered disabled state [ 105.638516][ T5433] bridge_slave_0: entered allmulticast mode [ 105.655773][ T5433] bridge_slave_0: entered promiscuous mode [ 105.665589][ T5433] bridge0: port 2(bridge_slave_1) entered blocking state [ 105.668854][ T5433] bridge0: port 2(bridge_slave_1) entered disabled state [ 105.672248][ T5433] bridge_slave_1: entered allmulticast mode [ 105.687893][ T5433] bridge_slave_1: entered promiscuous mode [ 105.730170][ T5433] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 105.740193][ T5433] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 105.767103][ T5433] team0: Port device team_slave_0 added [ 105.771564][ T5433] team0: Port device team_slave_1 added [ 105.791918][ T5433] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 105.795356][ T5433] 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. [ 105.815765][ T5433] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 105.833643][ T5433] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 105.845058][ T5433] 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. [ 105.865350][ T5433] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 105.947273][ T5433] hsr_slave_0: entered promiscuous mode [ 105.950576][ T5433] hsr_slave_1: entered promiscuous mode [ 105.953701][ T5433] debugfs: 'hsr0' already exists in 'hsr' [ 105.966912][ T5433] Cannot create hsr debugfs directory [ 106.278997][ T5433] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 106.299639][ T5433] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 106.315848][ T5433] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 106.328038][ T5433] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 106.525510][ T5433] 8021q: adding VLAN 0 to HW filter on device bond0 [ 106.548707][ T5433] 8021q: adding VLAN 0 to HW filter on device team0 [ 106.561287][ T1056] bridge0: port 1(bridge_slave_0) entered blocking state [ 106.564536][ T1056] bridge0: port 1(bridge_slave_0) entered forwarding state [ 106.585874][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 106.588960][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 106.857171][ T5433] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 106.889923][ T5433] veth0_vlan: entered promiscuous mode [ 106.899550][ T5433] veth1_vlan: entered promiscuous mode [ 106.923191][ T5433] veth0_macvtap: entered promiscuous mode [ 106.932141][ T5433] veth1_macvtap: entered promiscuous mode [ 106.973821][ T5433] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 106.988510][ T5433] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 106.998359][ T1056] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 107.001773][ T1056] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 107.018980][ T1056] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 107.022924][ T1056] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 107.122175][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 107.135058][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 107.192425][ T134] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 107.199801][ T134] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 107.329035][ T5372] Bluetooth: hci0: command tx timeout [ 108.437796][ T12] netdevsim netdevsim2 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 108.507952][ T12] netdevsim netdevsim2 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 108.556589][ T12] netdevsim netdevsim2 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 108.636787][ T12] netdevsim netdevsim2 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 108.826139][ T12] bridge_slave_1: left allmulticast mode [ 108.828823][ T12] bridge_slave_1: left promiscuous mode [ 108.847084][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 108.854436][ T12] bridge_slave_0: left allmulticast mode [ 108.858084][ T12] bridge_slave_0: left promiscuous mode [ 108.861083][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 109.337210][ T12] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 109.348516][ T12] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 109.357561][ T12] bond0 (unregistering): Released all slaves [ 109.515103][ T12] hsr_slave_0: left promiscuous mode [ 109.524225][ T12] hsr_slave_1: left promiscuous mode [ 109.535302][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 109.538644][ T12] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 109.560354][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 109.563576][ T12] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 109.609599][ T12] veth1_macvtap: left promiscuous mode [ 109.612321][ T12] veth0_macvtap: left promiscuous mode [ 109.614848][ T12] veth1_vlan: left promiscuous mode [ 109.632420][ T12] veth0_vlan: left promiscuous mode [ 110.136247][ T12] team0 (unregistering): Port device team_slave_1 removed [ 110.160543][ T12] team0 (unregistering): Port device team_slave_0 removed [ 110.710870][ T12] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 110.787082][ T12] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 110.837393][ T12] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 110.888015][ T12] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 111.040983][ T12] bridge_slave_1: left allmulticast mode [ 111.043468][ T12] bridge_slave_1: left promiscuous mode [ 111.055627][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 111.066501][ T12] bridge_slave_0: left allmulticast mode [ 111.069080][ T12] bridge_slave_0: left promiscuous mode [ 111.071532][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 111.336467][ T12] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 111.341605][ T12] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 111.347205][ T12] bond0 (unregistering): Released all slaves [ 111.590945][ T12] hsr_slave_0: left promiscuous mode [ 111.597654][ T12] hsr_slave_1: left promiscuous mode [ 111.606012][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 111.609280][ T12] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 111.625103][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 111.628429][ T12] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 111.653509][ T12] veth1_macvtap: left promiscuous mode [ 111.657904][ T12] veth0_macvtap: left promiscuous mode [ 111.660493][ T12] veth1_vlan: left promiscuous mode [ 111.662807][ T12] veth0_vlan: left promiscuous mode [ 112.027502][ T12] team0 (unregistering): Port device team_slave_1 removed [ 112.053253][ T12] 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-build1024370074=/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/ccXRJ2kP.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