lost connection to test machine syzkaller login: qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x369000) qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0xa8000) [ 97.286170][ T1107] cfg80211: failed to load regulatory.db [ 154.895546][ T1010] ata1.00: NCQ disabled due to excessive errors [ 154.898837][ T1010] ata1.00: exception Emask 0x0 SAct 0x41000000 SErr 0x0 action 0x6 frozen [ 154.902977][ T1010] ata1.00: failed command: WRITE FPDMA QUEUED [ 154.906113][ T1010] ata1.00: cmd 61/48:c0:36:a1:04/1b:00:00:00:00/40 tag 24 ncq dma 3575808 ou [ 154.906113][ T1010] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 154.913678][ T1010] ata1.00: status: { DRDY } [ 154.916044][ T1010] ata1.00: failed command: WRITE FPDMA QUEUED [ 154.919764][ T1010] ata1.00: cmd 61/40:f0:36:d1:04/05:00:00:00:00/40 tag 30 ncq dma 688128 out [ 154.919764][ T1010] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 154.927815][ T1010] ata1.00: status: { DRDY } [ 154.930652][ T1010] ata1: hard resetting link [ 155.248969][ T1010] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 155.253572][ T1010] ata1.00: configured for UDMA/100 [ 155.256478][ T1010] ata1: EH complete Warning: Permanently added '[localhost]:32731' (ED25519) to the list of known hosts. 2026/03/20 11:45:32 parsed 1 programs [ 161.691264][ T5320] cgroup: Unknown subsys name 'net' [ 161.749836][ T5320] cgroup: Unknown subsys name 'cpuset' [ 161.758527][ T5320] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 163.801181][ T5320] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 170.533211][ 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. [ 172.545346][ T5351] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 172.552705][ T5351] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 172.558487][ T5351] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 172.563120][ T5351] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 172.567295][ T5351] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 175.254440][ T5375] chnl_net:caif_netlink_parms(): no params data found [ 175.427931][ T5375] bridge0: port 1(bridge_slave_0) entered blocking state [ 175.435440][ T5375] bridge0: port 1(bridge_slave_0) entered disabled state [ 175.439331][ T5375] bridge_slave_0: entered allmulticast mode [ 175.455819][ T5375] bridge_slave_0: entered promiscuous mode [ 175.466762][ T5375] bridge0: port 2(bridge_slave_1) entered blocking state [ 175.470838][ T5375] bridge0: port 2(bridge_slave_1) entered disabled state [ 175.482528][ T5375] bridge_slave_1: entered allmulticast mode [ 175.487317][ T5375] bridge_slave_1: entered promiscuous mode [ 175.518564][ T5375] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 175.526056][ T5375] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 175.555290][ T5375] team0: Port device team_slave_0 added [ 175.560885][ T5375] team0: Port device team_slave_1 added [ 175.586898][ T5375] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 175.590612][ T5375] 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. [ 175.603572][ T5375] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 175.612273][ T5375] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 175.616372][ T5375] 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. [ 175.630743][ T5375] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 175.678114][ T5375] hsr_slave_0: entered promiscuous mode [ 175.681780][ T5375] hsr_slave_1: entered promiscuous mode [ 175.926205][ T5375] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 175.947039][ T5375] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 175.966499][ T5375] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 175.987612][ T5375] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 176.157631][ T5375] 8021q: adding VLAN 0 to HW filter on device bond0 [ 176.184455][ T5375] 8021q: adding VLAN 0 to HW filter on device team0 [ 176.210804][ T1043] bridge0: port 1(bridge_slave_0) entered blocking state [ 176.214714][ T1043] bridge0: port 1(bridge_slave_0) entered forwarding state [ 176.247774][ T1043] bridge0: port 2(bridge_slave_1) entered blocking state [ 176.251430][ T1043] bridge0: port 2(bridge_slave_1) entered forwarding state [ 176.642085][ T5375] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 176.708675][ T5375] veth0_vlan: entered promiscuous mode [ 176.731002][ T5375] veth1_vlan: entered promiscuous mode [ 176.788316][ T5375] veth0_macvtap: entered promiscuous mode [ 176.799890][ T5375] veth1_macvtap: entered promiscuous mode [ 176.836582][ T5375] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 176.857109][ T5375] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 176.882034][ T1154] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 176.902878][ T1154] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 176.916794][ T1154] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 176.921491][ T1154] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 177.168355][ T13] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 177.303840][ T13] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 177.414879][ T13] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 177.507936][ T13] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 178.896568][ T1043] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 178.901096][ T1043] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 178.940994][ T1154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 178.945012][ T1154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 179.268104][ T13] bridge_slave_1: left allmulticast mode [ 179.270945][ T13] bridge_slave_1: left promiscuous mode [ 179.274768][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 179.324643][ T13] bridge_slave_0: left allmulticast mode [ 179.336217][ T13] bridge_slave_0: left promiscuous mode [ 179.339213][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 179.721642][ T13] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 179.733239][ T13] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 179.760508][ T13] bond0 (unregistering): Released all slaves [ 179.868525][ T13] hsr_slave_0: left promiscuous mode [ 179.871826][ T13] hsr_slave_1: left promiscuous mode [ 179.891305][ T13] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 179.900030][ T13] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 179.905794][ T13] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 179.909289][ T13] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 179.921956][ T13] veth1_macvtap: left promiscuous mode [ 179.924695][ T13] veth0_macvtap: left promiscuous mode [ 179.928431][ T13] veth1_vlan: left promiscuous mode [ 179.931840][ T13] veth0_vlan: left promiscuous mode [ 180.184107][ T13] team0 (unregistering): Port device team_slave_1 removed [ 180.197134][ T13] team0 (unregistering): Port device team_slave_0 removed qemu-system-x86_64: hw/ide/core.c:934: ide_dma_cb: Assertion `prep_size >= 0 && prep_size <= n * 512' failed. Connection to localhost closed by remote host. 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-build1098797092=/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='go1.26.0' GOWORK='' PKG_CONFIG='pkg-config' git status (err=) HEAD detached at 31e9c887f7dc 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=31e9c887f7dc24e04b3ca70d0d54fc34141844b0 -X github.com/google/syzkaller/prog.gitRevisionDate=20260305-195406" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=31e9c887f7dc24e04b3ca70d0d54fc34141844b0 -X github.com/google/syzkaller/prog.gitRevisionDate=20260305-195406" ./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=31e9c887f7dc24e04b3ca70d0d54fc34141844b0 -X github.com/google/syzkaller/prog.gitRevisionDate=20260305-195406" -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=\"31e9c887f7dc24e04b3ca70d0d54fc34141844b0\" /usr/bin/ld: /tmp/ccedOwbh.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