lost connection to test machine syzkaller login: qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x363000) qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) Warning: Permanently added '[localhost]:21229' (ED25519) to the list of known hosts. [ 92.063727][ T9] cfg80211: failed to load regulatory.db [ 117.039657][ T1025] ata1.00: exception Emask 0x0 SAct 0x900 SErr 0x0 action 0x6 frozen [ 117.039711][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED [ 117.039718][ T1025] ata1.00: cmd 61/18:40:7e:4f:04/1b:00:00:00:00/40 tag 8 ncq dma 3551232 ou [ 117.039718][ T1025] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 117.039751][ T1025] ata1.00: status: { DRDY } [ 117.039761][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED [ 117.039767][ T1025] ata1.00: cmd 61/00:58:36:a1:04/20:00:00:00:00/40 tag 11 ncq dma 4194304 ou [ 117.039767][ T1025] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 117.039795][ T1025] ata1.00: status: { DRDY } [ 117.039844][ T1025] ata1: hard resetting link [ 117.363659][ T1025] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 117.365821][ T1025] ata1.00: configured for UDMA/100 [ 117.366647][ T1025] ata1: EH complete 2026/10/11 19:29:15 parsed 1 programs [ 121.712677][ T5307] cgroup: Unknown subsys name 'net' [ 121.787709][ T5307] cgroup: Unknown subsys name 'cpuset' [ 121.800104][ T5307] cgroup: Unknown subsys name 'rlimit' qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0xa8000) qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 122.609813][ T1025] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 122.609833][ T1025] ata1: failed to read log page 10h (errno=-5) [ 122.609846][ T1025] ata1.00: exception Emask 0x1 SAct 0xc000 SErr 0x0 action 0x0 [ 122.609857][ T1025] ata1.00: irq_stat 0x40000000 [ 122.609868][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED [ 122.609874][ T1025] ata1.00: cmd 61/40:70:fe:ea:0b/05:00:00:00:00/40 tag 14 ncq dma 688128 out [ 122.609874][ T1025] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 122.609902][ T1025] ata1.00: status: { DRDY } [ 122.609911][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED [ 122.609917][ T1025] ata1.00: cmd 61/38:78:3e:f0:0b/03:00:00:00:00/40 tag 15 ncq dma 421888 out [ 122.609917][ T1025] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 122.609944][ T1025] ata1.00: status: { DRDY } [ 122.611039][ T1025] ata1.00: configured for UDMA/100 [ 122.611790][ T1025] ata1: EH complete [ 138.145175][ T1330] ieee802154 phy0 wpan0: encryption failed: -22 [ 138.145333][ T1330] ieee802154 phy1 wpan1: encryption failed: -22 [ 152.879648][ T1025] ata1.00: NCQ disabled due to excessive errors [ 152.879668][ T1025] ata1.00: exception Emask 0x0 SAct 0x40000000 SErr 0x0 action 0x6 frozen [ 152.879686][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED [ 152.879694][ T1025] ata1.00: cmd 61/00:f0:36:81:05/20:00:00:00:00/40 tag 30 ncq dma 4194304 ou [ 152.879694][ T1025] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 152.879725][ T1025] ata1.00: status: { DRDY } [ 152.879771][ T1025] ata1: hard resetting link [ 153.201552][ T1025] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 153.202546][ T1025] ata1.00: configured for UDMA/100 [ 153.202850][ T1025] ata1: EH complete [ 153.228975][ T5307] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 159.777973][ T5328] soft_limit_in_bytes is deprecated and will be removed. Writing any value to this file has no effect. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 160.433918][ T130] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 160.433936][ T130] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 160.708707][ T182] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 160.708725][ T182] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 165.548021][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 165.559134][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 165.563324][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 165.565958][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 165.567004][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 170.782879][ T5338] bridge0: port 1(bridge_slave_0) entered blocking state [ 170.783948][ T5338] bridge0: port 1(bridge_slave_0) entered disabled state [ 170.784045][ T5338] bridge_slave_0: entered allmulticast mode [ 170.785877][ T5338] bridge_slave_0: entered promiscuous mode [ 170.807022][ T5338] bridge0: port 2(bridge_slave_1) entered blocking state [ 170.807500][ T5338] bridge0: port 2(bridge_slave_1) entered disabled state [ 170.807607][ T5338] bridge_slave_1: entered allmulticast mode [ 170.811883][ T5338] bridge_slave_1: entered promiscuous mode [ 170.919161][ T5338] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 170.938523][ T5338] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 171.006548][ T5338] team0: Port device team_slave_0 added [ 171.017577][ T5338] team0: Port device team_slave_1 added [ 171.078882][ T5338] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 171.078896][ 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. [ 171.078912][ T5338] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 171.105231][ T5338] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 171.105244][ 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. [ 171.105255][ T5338] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 171.270516][ T5338] hsr_slave_0: entered promiscuous mode [ 171.271392][ T5338] hsr_slave_1: entered promiscuous mode [ 172.111275][ T5338] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 172.174105][ T5338] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 172.176336][ T5338] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 172.194646][ T5338] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 172.198444][ T5338] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 172.227843][ T5338] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 172.236392][ T5338] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 172.257301][ T5338] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 172.681342][ T5338] 8021q: adding VLAN 0 to HW filter on device bond0 qemu-system-x86_64: hw/ide/core.c:925: 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-build667311215=/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 e2beed91937 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=e2beed91937c0ace342f19a2e9afb67adb3a828a -X github.com/google/syzkaller/prog.gitRevisionDate=20250911-084951" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=e2beed91937c0ace342f19a2e9afb67adb3a828a -X github.com/google/syzkaller/prog.gitRevisionDate=20250911-084951" ./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=e2beed91937c0ace342f19a2e9afb67adb3a828a -X github.com/google/syzkaller/prog.gitRevisionDate=20250911-084951" -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=\"e2beed91937c0ace342f19a2e9afb67adb3a828a\" /usr/bin/ld: /tmp/ccPCRXwD.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