lost connection to test machine syzkaller login: qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0xc2000) Warning: Permanently added '[localhost]:32480' (ED25519) to the list of known hosts. 2026/07/20 04:27:11 parsed 1 programs [ 89.742986][ T5291] cgroup: Unknown subsys name 'net' [ 89.795116][ T5291] cgroup: Unknown subsys name 'cpuset' [ 89.802179][ T5291] cgroup: Unknown subsys name 'rlimit' [ 91.867683][ T1397] cfg80211: failed to load regulatory.db [ 137.945537][ T1331] ieee802154 phy0 wpan0: encryption failed: -22 [ 137.948384][ T1331] ieee802154 phy1 wpan1: encryption failed: -22 [ 140.521068][ T1029] ata1.00: exception Emask 0x0 SAct 0x40000000 SErr 0x0 action 0x6 frozen [ 140.524854][ T1029] ata1.00: failed command: WRITE FPDMA QUEUED [ 140.527454][ T1029] ata1.00: cmd 61/10:f0:26:5b:04/06:00:00:00:00/40 tag 30 ncq dma 794624 out [ 140.527454][ T1029] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 140.534636][ T1029] ata1.00: status: { DRDY } [ 140.537170][ T1029] ata1: hard resetting link [ 140.861760][ T1029] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 140.865989][ T1029] ata1.00: configured for UDMA/100 [ 140.868528][ T1029] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 171.240930][ T1029] ata1.00: NCQ disabled due to excessive errors [ 171.243640][ T1029] ata1.00: exception Emask 0x0 SAct 0x100 SErr 0x0 action 0x6 frozen [ 171.246842][ T1029] ata1.00: failed command: WRITE FPDMA QUEUED [ 171.249488][ T1029] ata1.00: cmd 61/00:40:36:21:05/20:00:00:00:00/40 tag 8 ncq dma 4194304 ou [ 171.249488][ T1029] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 171.257412][ T1029] ata1.00: status: { DRDY } [ 171.259493][ T1029] ata1: hard resetting link [ 171.581731][ T1029] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 171.585797][ T1029] ata1.00: configured for UDMA/100 [ 171.588343][ T1029] 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-build2300840691=/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 67c375600e 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=67c375600e44473aafff4ce6ff7abb90e4f4fff4 -X github.com/google/syzkaller/prog.gitRevisionDate=20250919-083814" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=67c375600e44473aafff4ce6ff7abb90e4f4fff4 -X github.com/google/syzkaller/prog.gitRevisionDate=20250919-083814" ./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=67c375600e44473aafff4ce6ff7abb90e4f4fff4 -X github.com/google/syzkaller/prog.gitRevisionDate=20250919-083814" -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=\"67c375600e44473aafff4ce6ff7abb90e4f4fff4\" /usr/bin/ld: /tmp/ccLk4z29.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