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) [ 87.468080][ T1028] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 87.471059][ T1028] ata1: failed to read log page 10h (errno=-5) [ 87.473761][ T1028] ata1.00: exception Emask 0x1 SAct 0x60 SErr 0x0 action 0x0 [ 87.486295][ T1028] ata1.00: irq_stat 0x41000000 [ 87.493799][ T1028] ata1.00: failed command: WRITE FPDMA QUEUED [ 87.500407][ T1028] ata1.00: cmd 61/00:28:36:a1:04/20:00:00:00:00/40 tag 5 ncq dma 4194304 ou [ 87.500407][ T1028] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 87.518223][ T1028] ata1.00: status: { DRDY } [ 87.520350][ T1028] ata1.00: failed command: WRITE FPDMA QUEUED [ 87.523096][ T1028] ata1.00: cmd 61/00:30:36:c1:04/20:00:00:00:00/40 tag 6 ncq dma 4194304 ou [ 87.523096][ T1028] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 87.545942][ T1028] ata1.00: status: { DRDY } [ 87.557084][ T1028] ata1.00: configured for UDMA/100 [ 87.564375][ T1028] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) Warning: Permanently added '[localhost]:10557' (ED25519) to the list of known hosts. 2026/05/10 19:12:21 parsed 1 programs [ 96.149459][ T5297] cgroup: Unknown subsys name 'net' [ 96.224366][ T5297] cgroup: Unknown subsys name 'cpuset' [ 96.230261][ T5297] cgroup: Unknown subsys name 'rlimit' [ 96.890620][ T9] cfg80211: failed to load regulatory.db [ 142.970011][ T1332] ieee802154 phy0 wpan0: encryption failed: -22 [ 142.972899][ T1332] ieee802154 phy1 wpan1: encryption failed: -22 [ 148.107058][ T1028] ata1.00: exception Emask 0x0 SAct 0x4000 SErr 0x0 action 0x6 frozen [ 148.110635][ T1028] ata1.00: failed command: WRITE FPDMA QUEUED [ 148.113233][ T1028] ata1.00: cmd 61/00:70:36:c1:04/20:00:00:00:00/40 tag 14 ncq dma 4194304 ou [ 148.113233][ T1028] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 148.120547][ T1028] ata1.00: status: { DRDY } [ 148.122933][ T1028] ata1: hard resetting link [ 148.437492][ T1028] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 148.442607][ T1028] ata1.00: configured for UDMA/100 [ 148.445326][ T1028] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 148.559514][ T1028] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 148.566026][ T1028] ata1: failed to read log page 10h (errno=-5) [ 148.569102][ T1028] ata1.00: NCQ disabled due to excessive errors [ 148.571805][ T1028] ata1.00: exception Emask 0x1 SAct 0x300 SErr 0x0 action 0x0 [ 148.575509][ T1028] ata1.00: irq_stat 0x41000000 [ 148.578293][ T1028] ata1.00: failed command: WRITE FPDMA QUEUED [ 148.580935][ T1028] ata1.00: cmd 61/00:40:36:01:05/20:00:00:00:00/40 tag 8 ncq dma 4194304 ou [ 148.580935][ T1028] res 50/00:01:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 148.588560][ T1028] ata1.00: status: { DRDY } [ 148.591063][ T1028] ata1.00: failed command: WRITE FPDMA QUEUED [ 148.593707][ T1028] ata1.00: cmd 61/08:48:36:01:08/00:00:00:00:00/40 tag 9 ncq dma 4096 out [ 148.593707][ T1028] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 148.601388][ T1028] ata1.00: status: { DRDY } [ 148.604728][ T1028] ata1.00: configured for UDMA/100 [ 148.607835][ T1028] 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-build2562038126=/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 3d2f584ddab1 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}}' ./sys/syz-sysgen | grep -q false || go install ./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=3d2f584ddab119da50e8a8d26765aa98d3b33c02 -X github.com/google/syzkaller/prog.gitRevisionDate=20250528-144826" -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=\"3d2f584ddab119da50e8a8d26765aa98d3b33c02\" /usr/bin/ld: /tmp/ccWfeIYW.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