lost connection to test machine syzkaller login: qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x1b3000) Warning: Permanently added '[localhost]:7169' (ED25519) to the list of known hosts. 2026/08/06 20:36:37 parsed 1 programs 2026/08/06 20:36:37 serving rpc on tcp://41859 [ 88.215642][ T5294] cgroup: Unknown subsys name 'net' [ 88.270119][ T5294] cgroup: Unknown subsys name 'cpuset' [ 88.275449][ T5294] cgroup: Unknown subsys name 'rlimit' [ 91.840831][ T9] cfg80211: failed to load regulatory.db [ 109.136654][ T1029] ata1.00: exception Emask 0x0 SAct 0x40000000 SErr 0x0 action 0x6 frozen [ 109.140877][ T1029] ata1.00: failed command: WRITE FPDMA QUEUED [ 109.143472][ T1029] ata1.00: cmd 61/98:f0:76:52:04/0d:00:00:00:00/40 tag 30 ncq dma 1781760 ou [ 109.143472][ T1029] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 109.153045][ T1029] ata1.00: status: { DRDY } [ 109.155662][ T1029] ata1: hard resetting link [ 109.477654][ T1029] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 109.482852][ T1029] ata1.00: configured for UDMA/100 [ 109.485291][ T1029] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 109.507566][ T1029] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 109.510412][ T1029] ata1: failed to read log page 10h (errno=-5) [ 109.512958][ T1029] ata1.00: exception Emask 0x1 SAct 0xe000 SErr 0x0 action 0x0 [ 109.515794][ T1029] ata1.00: irq_stat 0x41000000 [ 109.518635][ T1029] ata1.00: failed command: WRITE FPDMA QUEUED [ 109.520911][ T1029] ata1.00: cmd 61/00:68:36:e1:04/20:00:00:00:00/40 tag 13 ncq dma 4194304 ou [ 109.520911][ T1029] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 109.527617][ T1029] ata1.00: status: { DRDY } [ 109.529460][ T1029] ata1.00: failed command: WRITE FPDMA QUEUED [ 109.531969][ T1029] ata1.00: cmd 61/00:70:36:01:05/20:00:00:00:00/40 tag 14 ncq dma 4194304 ou [ 109.531969][ T1029] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 109.538740][ T1029] ata1.00: status: { DRDY } [ 109.540923][ T1029] ata1.00: failed command: WRITE FPDMA QUEUED [ 109.543230][ T1029] ata1.00: cmd 61/00:78:36:21:05/20:00:00:00:00/40 tag 15 ncq dma 4194304 ou [ 109.543230][ T1029] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 109.550157][ T1029] ata1.00: status: { DRDY } [ 109.552955][ T1029] ata1.00: configured for UDMA/100 [ 109.555447][ T1029] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 109.589645][ T1029] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 109.596671][ T1029] ata1: failed to read log page 10h (errno=-5) [ 109.606571][ T1029] ata1.00: NCQ disabled due to excessive errors [ 109.609296][ T1029] ata1.00: exception Emask 0x1 SAct 0x300 SErr 0x0 action 0x0 [ 109.616986][ T1029] ata1.00: irq_stat 0x41000000 [ 109.619906][ T1029] ata1.00: failed command: WRITE FPDMA QUEUED [ 109.626652][ T1029] ata1.00: cmd 61/00:40:36:e1:04/20:00:00:00:00/40 tag 8 ncq dma 4194304 ou [ 109.626652][ T1029] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 109.639963][ T1029] ata1.00: status: { DRDY } [ 109.641988][ T1029] ata1.00: error: { ABRT } [ 109.644026][ T1029] ata1.00: failed command: WRITE FPDMA QUEUED [ 109.647196][ T1029] ata1.00: cmd 61/00:48:36:01:05/20:00:00:00:00/40 tag 9 ncq dma 4194304 ou [ 109.647196][ T1029] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 109.654097][ T1029] ata1.00: status: { DRDY } [ 109.656054][ T1029] ata1.00: error: { ABRT } [ 109.659680][ T1029] ata1.00: configured for UDMA/100 [ 109.662292][ T1029] ata1: EH complete 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-build1487190860=/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 cd5b196320 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: downloading golang.org/x/sys v0.47.0 go list -f '{{.Stale}}' -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=cd5b196320356a29e6054037e2096ce04886b520 -X github.com/google/syzkaller/prog.gitRevisionDate=20260805-160436" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=cd5b196320356a29e6054037e2096ce04886b520 -X github.com/google/syzkaller/prog.gitRevisionDate=20260805-160436" ./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=cd5b196320356a29e6054037e2096ce04886b520 -X github.com/google/syzkaller/prog.gitRevisionDate=20260805-160436" -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=\"cd5b196320356a29e6054037e2096ce04886b520\" go: downloading golang.org/x/sync v0.22.0 go: downloading google.golang.org/grpc v1.82.1 go: downloading cloud.google.com/go/spanner v1.94.0 go: downloading cloud.google.com/go/storage v1.64.0 go: downloading google.golang.org/api v0.287.1 go: downloading github.com/googleapis/gax-go/v2 v2.23.0 go: downloading google.golang.org/genproto/googleapis/api v0.0.0-20260630182238-925bb5da69e7 go: downloading google.golang.org/genproto/googleapis/rpc v0.0.0-20260630182238-925bb5da69e7 go: downloading go.opentelemetry.io/otel v1.44.0 go: downloading go.opentelemetry.io/otel/trace v1.44.0 go: downloading go.opentelemetry.io/otel/metric v1.44.0 go: downloading github.com/GoogleCloudPlatform/opentelemetry-operations-go/exporter/metric v0.57.0 go: downloading go.opentelemetry.io/otel/sdk/metric v1.44.0 go: downloading go.opentelemetry.io/otel/sdk v1.44.0 go: downloading github.com/GoogleCloudPlatform/opentelemetry-operations-go/internal/resourcemapping v0.57.0 go: downloading cloud.google.com/go/longrunning v1.2.0 go: downloading golang.org/x/crypto v0.54.0 go: downloading golang.org/x/net v0.57.0 go: downloading golang.org/x/text v0.40.0 /usr/bin/ld: /tmp/ccPB2MOL.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