lost connection to test machine syzkaller login: qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x26f000) [ 87.637529][ T1025] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 87.637562][ T1025] ata1: failed to read log page 10h (errno=-5) [ 87.637576][ T1025] ata1.00: exception Emask 0x1 SAct 0x18000000 SErr 0x0 action 0x0 [ 87.637593][ T1025] ata1.00: irq_stat 0x41000000 [ 87.637604][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED [ 87.637611][ T1025] ata1.00: cmd 61/78:d8:ae:51:04/13:00:00:00:00/40 tag 27 ncq dma 2551808 ou [ 87.637611][ T1025] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 87.637640][ T1025] ata1.00: status: { DRDY } [ 87.637650][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED [ 87.637655][ T1025] ata1.00: cmd 61/20:e0:26:65:04/03:00:00:00:00/40 tag 28 ncq dma 409600 out [ 87.637655][ T1025] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 87.637683][ T1025] ata1.00: status: { DRDY } [ 87.639968][ T1025] ata1.00: configured for UDMA/100 [ 87.641176][ T1025] ata1: EH complete Warning: Permanently added '[localhost]:21675' (ED25519) to the list of known hosts. [ 91.824628][ T1367] cfg80211: failed to load regulatory.db qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 92.896078][ T1025] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 92.896094][ T1025] ata1: failed to read log page 10h (errno=-5) [ 92.896104][ T1025] ata1.00: NCQ disabled due to excessive errors [ 92.896111][ T1025] ata1.00: exception Emask 0x1 SAct 0x3000000 SErr 0x0 action 0x0 [ 92.896122][ T1025] ata1.00: irq_stat 0x41000000 [ 92.896133][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED [ 92.896140][ T1025] ata1.00: cmd 61/00:c0:36:21:05/20:00:00:00:00/40 tag 24 ncq dma 4194304 ou [ 92.896140][ T1025] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 92.896166][ T1025] ata1.00: status: { DRDY } [ 92.896175][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED [ 92.896181][ T1025] ata1.00: cmd 61/00:c8:36:41:05/20:00:00:00:00/40 tag 25 ncq dma 4194304 ou [ 92.896181][ T1025] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 92.896209][ T1025] ata1.00: status: { DRDY } [ 92.897892][ T1025] ata1.00: configured for UDMA/100 [ 92.899917][ T1025] ata1: EH complete 2026/09/28 06:32:22 parsed 1 programs [ 96.151715][ T5293] cgroup: Unknown subsys name 'net' [ 96.224866][ T5293] cgroup: Unknown subsys name 'cpuset' [ 96.231471][ T5293] cgroup: Unknown subsys name 'rlimit' [ 97.783621][ T5293] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k 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-build3806623289=/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 2a20f901dbd 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=2a20f901dbd7922a27b5625a8a442587c8c3df2c -X 'github.com/google/syzkaller/prog.gitRevisionDate=20250417-194640'" -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=\"2a20f901dbd7922a27b5625a8a442587c8c3df2c\" /usr/bin/ld: /tmp/ccym7X3a.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