lost connection to test machine syzkaller login: qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0xff000) Warning: Permanently added '[localhost]:48245' (ED25519) to the list of known hosts. [ 124.450114][ T1012] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 124.453922][ T1012] ata1: failed to read log page 10h (errno=-5) [ 124.457015][ T1012] ata1.00: exception Emask 0x1 SAct 0x4000 SErr 0x0 action 0x0 [ 124.460569][ T1012] ata1.00: irq_stat 0x41000008 [ 124.462706][ T1012] ata1.00: failed command: WRITE FPDMA QUEUED [ 124.465489][ T1012] ata1.00: cmd 61/f8:70:36:f1:04/07:00:00:00:00/40 tag 14 ncq dma 1044480 ou [ 124.465489][ T1012] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 124.475261][ T1012] ata1.00: status: { DRDY } [ 124.477521][ T1012] ata1.00: error: { ABRT } [ 124.481974][ T1012] ata1.00: configured for UDMA/100 [ 124.484869][ T1012] ata1: EH complete 2026/03/18 09:21:35 parsed 1 programs [ 129.855125][ T5327] cgroup: Unknown subsys name 'net' [ 129.906775][ T5327] cgroup: Unknown subsys name 'cpuset' [ 129.912880][ T5327] cgroup: Unknown subsys name 'rlimit' [ 131.624090][ T5327] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 137.327256][ T5341] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 137.830691][ T1012] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 137.833812][ T1012] ata1: failed to read log page 10h (errno=-5) [ 137.836685][ T1012] ata1.00: NCQ disabled due to excessive errors [ 137.889841][ T1012] ata1.00: exception Emask 0x1 SAct 0x60 SErr 0x0 action 0x0 [ 137.893457][ T1012] ata1.00: irq_stat 0x41000000 [ 137.895855][ T1012] ata1.00: failed command: WRITE FPDMA QUEUED [ 137.941543][ T1012] ata1.00: cmd 61/00:28:36:47:0c/20:00:00:00:00/40 tag 5 ncq dma 4194304 ou [ 137.941543][ T1012] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 137.988984][ T1012] ata1.00: status: { DRDY } [ 137.991190][ T1012] ata1.00: failed command: WRITE FPDMA QUEUED [ 137.994096][ T1012] ata1.00: cmd 61/08:30:36:67:0c/1a:00:00:00:00/40 tag 6 ncq dma 3411968 ou [ 137.994096][ T1012] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 138.068750][ T1012] ata1.00: status: { DRDY } [ 138.079324][ T1012] ata1.00: configured for UDMA/100 [ 138.098586][ T1012] 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-build1240957120=/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 4f67c4aece4f 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=4f67c4aece4f5794be20c6bc99c177e44b1320e8 -X github.com/google/syzkaller/prog.gitRevisionDate=20250704-175521" -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=\"4f67c4aece4f5794be20c6bc99c177e44b1320e8\" /usr/bin/ld: /tmp/ccAuNkLp.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