lost connection to test machine syzkaller login: qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0xa9000) Warning: Permanently added '[localhost]:52091' (ED25519) to the list of known hosts. 2026/05/23 04:56:52 parsed 1 programs [ 95.909515][ T5301] cgroup: Unknown subsys name 'net' [ 95.961609][ T5301] cgroup: Unknown subsys name 'cpuset' [ 95.967999][ T5301] cgroup: Unknown subsys name 'rlimit' [ 96.946474][ T10] cfg80211: failed to load regulatory.db [ 143.024856][ T1332] ieee802154 phy0 wpan0: encryption failed: -22 [ 143.027735][ T1332] ieee802154 phy1 wpan1: encryption failed: -22 [ 151.361753][ T1027] ata1.00: exception Emask 0x0 SAct 0x4000 SErr 0x0 action 0x6 frozen [ 151.365373][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 151.368050][ T1027] ata1.00: cmd 61/48:70:06:6d:04/05:00:00:00:00/40 tag 14 ncq dma 692224 out [ 151.368050][ T1027] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 151.376622][ T1027] ata1.00: status: { DRDY } [ 151.380031][ T1027] ata1: hard resetting link [ 151.702665][ T1027] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 151.706893][ T1027] ata1.00: configured for UDMA/100 [ 151.710292][ T1027] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 204.465107][ T1332] ieee802154 phy0 wpan0: encryption failed: -22 [ 204.467993][ T1332] ieee802154 phy1 wpan1: encryption failed: -22 [ 212.161822][ T1027] ata1.00: exception Emask 0x0 SAct 0x1000000 SErr 0x0 action 0x6 frozen [ 212.165727][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 212.168517][ T1027] ata1.00: cmd 61/00:c0:36:e1:04/20:00:00:00:00/40 tag 24 ncq dma 4194304 ou [ 212.168517][ T1027] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 212.176006][ T1027] ata1.00: status: { DRDY } [ 212.178485][ T1027] ata1: hard resetting link [ 212.506476][ T1027] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 212.510688][ T1027] ata1.00: configured for UDMA/100 [ 212.513918][ T1027] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 212.545472][ T1027] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 212.557663][ T1027] ata1: failed to read log page 10h (errno=-5) [ 212.570398][ T1027] ata1.00: NCQ disabled due to excessive errors [ 212.576637][ T1027] ata1.00: exception Emask 0x1 SAct 0x1e50 SErr 0x0 action 0x0 [ 212.580012][ T1027] ata1.00: irq_stat 0x41000000 [ 212.582917][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 212.585920][ T1027] ata1.00: cmd 61/00:20:36:e1:04/20:00:00:00:00/40 tag 4 ncq dma 4194304 ou [ 212.585920][ T1027] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 212.593901][ T1027] ata1.00: status: { DRDY } [ 212.596050][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 212.598858][ T1027] ata1.00: cmd 61/08:30:96:04:10/00:00:00:00:00/40 tag 6 ncq dma 4096 out [ 212.598858][ T1027] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 212.607066][ T1027] ata1.00: status: { DRDY } [ 212.609123][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 212.612071][ T1027] ata1.00: cmd 61/00:48:36:21:05/20:00:00:00:00/40 tag 9 ncq dma 4194304 ou [ 212.612071][ T1027] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 212.619260][ T1027] ata1.00: status: { DRDY } [ 212.621150][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 212.626288][ T1027] ata1.00: cmd 61/00:50:36:41:05/20:00:00:00:00/40 tag 10 ncq dma 4194304 ou [ 212.626288][ T1027] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 212.633823][ T1027] ata1.00: status: { DRDY } [ 212.635840][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 212.638426][ T1027] ata1.00: cmd 61/00:58:36:61:05/20:00:00:00:00/40 tag 11 ncq dma 4194304 ou [ 212.638426][ T1027] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 212.645803][ T1027] ata1.00: status: { DRDY } [ 212.647688][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 212.650177][ T1027] ata1.00: cmd 61/70:60:36:81:05/06:00:00:00:00/40 tag 12 ncq dma 843776 out [ 212.650177][ T1027] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 212.657861][ T1027] ata1.00: status: { DRDY } [ 212.660875][ T1027] ata1.00: configured for UDMA/100 [ 212.664384][ T1027] 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-build1915335606=/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 770ff59fb77d 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=770ff59fb77d138f63af2893d3f1c97da2625d05 -X github.com/google/syzkaller/prog.gitRevisionDate=20250922-084820" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=770ff59fb77d138f63af2893d3f1c97da2625d05 -X github.com/google/syzkaller/prog.gitRevisionDate=20250922-084820" ./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=770ff59fb77d138f63af2893d3f1c97da2625d05 -X github.com/google/syzkaller/prog.gitRevisionDate=20250922-084820" -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=\"770ff59fb77d138f63af2893d3f1c97da2625d05\" /usr/bin/ld: /tmp/ccThhRUR.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