lost connection to test machine syzkaller login: qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 92.033680][ T1241] cfg80211: failed to load regulatory.db Warning: Permanently added '[localhost]:5965' (ED25519) to the list of known hosts. 2026/07/13 01:14:26 parsed 1 programs 2026/07/13 01:14:26 serving rpc on tcp://42597 [ 99.461167][ T5293] cgroup: Unknown subsys name 'net' [ 99.517346][ T5293] cgroup: Unknown subsys name 'cpuset' [ 99.528587][ T5293] cgroup: Unknown subsys name 'rlimit' [ 143.216901][ T1333] ieee802154 phy0 wpan0: encryption failed: -22 [ 143.220290][ T1333] ieee802154 phy1 wpan1: encryption failed: -22 [ 153.472734][ T1031] ata1.00: exception Emask 0x0 SAct 0x800 SErr 0x0 action 0x6 frozen [ 153.477165][ T1031] ata1.00: failed command: WRITE FPDMA QUEUED [ 153.480740][ T1031] ata1.00: cmd 61/00:58:36:c1:04/20:00:00:00:00/40 tag 11 ncq dma 4194304 ou [ 153.480740][ T1031] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 153.488811][ T1031] ata1.00: status: { DRDY } [ 153.491820][ T1031] ata1: hard resetting link [ 153.815566][ T1031] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 153.821835][ T1031] ata1.00: configured for UDMA/100 [ 153.824800][ T1031] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 153.854356][ C0] ata1: illegal qc_active transition (00000000->00000001) [ 153.858579][ T1031] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 153.872882][ T1031] ata1: failed to read log page 10h (errno=-5) [ 153.879378][ T1031] ata1.00: NCQ disabled due to excessive errors [ 153.884704][ T1031] ata1.00: exception Emask 0x1 SAct 0x1c000000 SErr 0x0 action 0x6 frozen [ 153.892610][ T1031] ata1.00: irq_stat 0x41000000 [ 153.895439][ T1031] ata1.00: failed command: WRITE FPDMA QUEUED [ 153.902808][ T1031] ata1.00: cmd 61/00:d0:36:c1:04/20:00:00:00:00/40 tag 26 ncq dma 4194304 ou [ 153.902808][ T1031] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 153.917658][ T1031] ata1.00: status: { DRDY } [ 153.923618][ T1031] ata1.00: failed command: WRITE FPDMA QUEUED [ 153.928214][ T1031] ata1.00: cmd 61/00:d8:36:01:05/20:00:00:00:00/40 tag 27 ncq dma 4194304 ou [ 153.928214][ T1031] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 153.937314][ T1031] ata1.00: status: { DRDY } [ 153.939431][ T1031] ata1.00: failed command: WRITE FPDMA QUEUED [ 153.942950][ T1031] ata1.00: cmd 61/00:e0:36:21:05/20:00:00:00:00/40 tag 28 ncq dma 4194304 ou [ 153.942950][ T1031] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 153.951088][ T1031] ata1.00: status: { DRDY } [ 153.953334][ T1031] ata1: hard resetting link [ 154.274367][ T1031] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 154.278715][ T1031] ata1.00: configured for UDMA/100 [ 154.604423][ T1031] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 154.609763][ T1031] ata1.00: configured for UDMA/100 [ 154.612860][ T1031] ata1: EH complete 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-build1621918705=/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 d78ea535f4 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 v0.46.0 go list -f '{{.Stale}}' -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=d78ea535f456172a095a6d211ee0a2de1d049968 -X github.com/google/syzkaller/prog.gitRevisionDate=20260710-134808" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=d78ea535f456172a095a6d211ee0a2de1d049968 -X github.com/google/syzkaller/prog.gitRevisionDate=20260710-134808" ./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=d78ea535f456172a095a6d211ee0a2de1d049968 -X github.com/google/syzkaller/prog.gitRevisionDate=20260710-134808" -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=\"d78ea535f456172a095a6d211ee0a2de1d049968\" go: downloading golang.org/x/sync v0.21.0 go: downloading google.golang.org/api v0.287.0 go: downloading google.golang.org/grpc v1.82.0 go: downloading google.golang.org/genproto/googleapis/rpc v0.0.0-20260622175928-b703f567277d go: downloading golang.org/x/net v0.56.0 go: downloading golang.org/x/text v0.38.0 go: downloading github.com/googleapis/enterprise-certificate-proxy v0.3.17 go: downloading golang.org/x/crypto v0.53.0 /usr/bin/ld: /tmp/cc2Lmulv.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