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) Warning: Permanently added '[localhost]:27156' (ED25519) to the list of known hosts. [ 91.871391][ T1367] cfg80211: failed to load regulatory.db 2026/10/06 16:15:30 parsed 1 programs [ 96.382105][ T5294] cgroup: Unknown subsys name 'net' [ 96.442189][ T5294] cgroup: Unknown subsys name 'cpuset' [ 96.445538][ T5294] cgroup: Unknown subsys name 'rlimit' [ 117.486478][ T1022] ata1.00: exception Emask 0x0 SAct 0x4000 SErr 0x0 action 0x6 frozen [ 117.486574][ T1022] ata1.00: failed command: WRITE FPDMA QUEUED [ 117.486587][ T1022] ata1.00: cmd 61/00:70:36:c1:04/20:00:00:00:00/40 tag 14 ncq dma 4194304 ou [ 117.486587][ T1022] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 117.486619][ T1022] ata1.00: status: { DRDY } [ 117.486690][ T1022] ata1: hard resetting link [ 117.810739][ T1022] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 117.811933][ T1022] ata1.00: configured for UDMA/100 [ 117.812242][ T1022] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 117.857708][ T1022] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 117.857726][ T1022] ata1: failed to read log page 10h (errno=-5) [ 117.857738][ T1022] ata1.00: exception Emask 0x1 SAct 0x70 SErr 0x0 action 0x0 [ 117.857748][ T1022] ata1.00: irq_stat 0x41000008 [ 117.857758][ T1022] ata1.00: failed command: WRITE FPDMA QUEUED [ 117.857764][ T1022] ata1.00: cmd 61/00:20:36:21:05/20:00:00:00:00/40 tag 4 ncq dma 4194304 ou [ 117.857764][ T1022] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 117.857793][ T1022] ata1.00: status: { DRDY } [ 117.857800][ T1022] ata1.00: error: { ABRT } [ 117.857809][ T1022] ata1.00: failed command: WRITE FPDMA QUEUED [ 117.857815][ T1022] ata1.00: cmd 61/00:28:36:41:05/20:00:00:00:00/40 tag 5 ncq dma 4194304 ou [ 117.857815][ T1022] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 117.857843][ T1022] ata1.00: status: { DRDY } [ 117.857850][ T1022] ata1.00: error: { ABRT } [ 117.857859][ T1022] ata1.00: failed command: WRITE FPDMA QUEUED [ 117.857865][ T1022] ata1.00: cmd 61/00:30:36:61:05/20:00:00:00:00/40 tag 6 ncq dma 4194304 ou [ 117.857865][ T1022] res 50/04:01:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 117.857893][ T1022] ata1.00: status: { DRDY } [ 117.857900][ T1022] ata1.00: error: { ABRT } [ 117.860359][ T1022] ata1.00: configured for UDMA/100 [ 117.862583][ T1022] ata1: EH complete [ 117.950194][ T1022] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 117.950214][ T1022] ata1: failed to read log page 10h (errno=-5) [ 117.950227][ T1022] ata1.00: NCQ disabled due to excessive errors [ 117.950235][ T1022] ata1.00: exception Emask 0x1 SAct 0xe000 SErr 0x0 action 0x0 [ 117.950248][ T1022] ata1.00: irq_stat 0x41000000 [ 117.950259][ T1022] ata1.00: failed command: WRITE FPDMA QUEUED [ 117.950266][ T1022] ata1.00: cmd 61/00:68:36:01:05/20:00:00:00:00/40 tag 13 ncq dma 4194304 ou [ 117.950266][ T1022] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 117.950300][ T1022] ata1.00: status: { DRDY } [ 117.950308][ T1022] ata1.00: error: { ABRT } [ 117.950318][ T1022] ata1.00: failed command: WRITE FPDMA QUEUED [ 117.950325][ T1022] ata1.00: cmd 61/00:70:36:21:05/20:00:00:00:00/40 tag 14 ncq dma 4194304 ou [ 117.950325][ T1022] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 117.950358][ T1022] ata1.00: status: { DRDY } [ 117.950366][ T1022] ata1.00: error: { ABRT } [ 117.950382][ T1022] ata1.00: failed command: WRITE FPDMA QUEUED [ 117.950390][ T1022] ata1.00: cmd 61/00:78:36:41:05/20:00:00:00:00/40 tag 15 ncq dma 4194304 ou [ 117.950390][ T1022] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 117.950479][ T1022] ata1.00: status: { DRDY } [ 117.950489][ T1022] ata1.00: error: { ABRT } [ 117.954650][ T1022] ata1.00: configured for UDMA/100 [ 118.031450][ T1022] 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-build1589971517=/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 27f689959de 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=27f689959decd391b047c8034d481267d500549e -X github.com/google/syzkaller/prog.gitRevisionDate=20250519-093947" -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=\"27f689959decd391b047c8034d481267d500549e\" /usr/bin/ld: /tmp/cc775DNg.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