lost connection to test machine syzkaller login: qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0xba000) [ 89.437318][ T1027] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 89.445302][ T1027] ata1: failed to read log page 10h (errno=-5) [ 89.463187][ T1027] ata1.00: exception Emask 0x1 SAct 0xc000 SErr 0x0 action 0x0 [ 89.468656][ T1027] ata1.00: irq_stat 0x41000000 [ 89.471599][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 89.485136][ T1027] ata1.00: cmd 61/d0:70:6e:52:04/05:00:00:00:00/40 tag 14 ncq dma 761856 out [ 89.485136][ T1027] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 89.510976][ T1027] ata1.00: status: { DRDY } [ 89.515423][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 89.523070][ T1027] ata1.00: cmd 61/10:78:3e:58:04/03:00:00:00:00/40 tag 15 ncq dma 401408 out [ 89.523070][ T1027] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 89.541093][ T1027] ata1.00: status: { DRDY } [ 89.550523][ T1027] ata1.00: configured for UDMA/100 [ 89.557802][ T1027] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 96.972394][ T1254] cfg80211: failed to load regulatory.db [ 120.025395][ T1027] ata1.00: exception Emask 0x0 SAct 0x4000 SErr 0x0 action 0x6 frozen [ 120.029187][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 120.031956][ T1027] ata1.00: cmd 61/00:70:36:c1:04/20:00:00:00:00/40 tag 14 ncq dma 4194304 ou [ 120.031956][ T1027] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 120.040248][ T1027] ata1.00: status: { DRDY } [ 120.043019][ T1027] ata1: hard resetting link [ 120.366820][ T1027] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 120.372279][ T1027] ata1.00: configured for UDMA/100 [ 120.374963][ T1027] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 120.488409][ T1027] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 120.500772][ T1027] ata1: failed to read log page 10h (errno=-5) [ 120.510234][ T1027] ata1.00: NCQ disabled due to excessive errors [ 120.516818][ T1027] ata1.00: exception Emask 0x1 SAct 0x60 SErr 0x0 action 0x0 [ 120.525213][ T1027] ata1.00: irq_stat 0x41000000 [ 120.528495][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 120.535111][ T1027] ata1.00: cmd 61/00:28:36:e1:04/20:00:00:00:00/40 tag 5 ncq dma 4194304 ou [ 120.535111][ T1027] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 120.556637][ T1027] ata1.00: status: { DRDY } [ 120.558760][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 120.561493][ T1027] ata1.00: cmd 61/00:30:36:01:05/20:00:00:00:00/40 tag 6 ncq dma 4194304 ou [ 120.561493][ T1027] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 120.575520][ T1027] ata1.00: status: { DRDY } [ 120.585448][ T1027] ata1.00: configured for UDMA/100 [ 120.591088][ T1027] ata1: EH complete Warning: Permanently added '[localhost]:34991' (ED25519) to the list of known hosts. 2026/05/25 11:52:09 parsed 1 programs [ 126.241947][ T5316] cgroup: Unknown subsys name 'net' [ 126.321945][ T5316] cgroup: Unknown subsys name 'cpuset' [ 126.330210][ T5316] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 128.090026][ T5316] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k 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-build701402586=/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 d1b870e1003b 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=d1b870e1003b52891d2196c1e2ee42fe905010ba -X github.com/google/syzkaller/prog.gitRevisionDate=20251128-125159" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=d1b870e1003b52891d2196c1e2ee42fe905010ba -X github.com/google/syzkaller/prog.gitRevisionDate=20251128-125159" ./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=d1b870e1003b52891d2196c1e2ee42fe905010ba -X github.com/google/syzkaller/prog.gitRevisionDate=20251128-125159" -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=\"d1b870e1003b52891d2196c1e2ee42fe905010ba\" /usr/bin/ld: /tmp/ccep67l0.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