lost connection to test machine syzkaller login: qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0xb3000) qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x2d8000) [ 91.813441][ T9] cfg80211: failed to load regulatory.db [ 110.384580][ T1021] ata1.00: exception Emask 0x0 SAct 0x40000100 SErr 0x0 action 0x6 frozen [ 110.388213][ T1021] ata1.00: failed command: WRITE FPDMA QUEUED [ 110.390851][ T1021] ata1.00: cmd 61/c0:40:36:c1:04/16:00:00:00:00/40 tag 8 ncq dma 2981888 ou [ 110.390851][ T1021] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 110.399030][ T1021] ata1.00: status: { DRDY } [ 110.401185][ T1021] ata1.00: failed command: WRITE FPDMA QUEUED [ 110.403780][ T1021] ata1.00: cmd 61/98:f0:2e:76:04/05:00:00:00:00/40 tag 30 ncq dma 733184 out [ 110.403780][ T1021] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 110.411325][ T1021] ata1.00: status: { DRDY } [ 110.413941][ T1021] ata1: hard resetting link [ 110.736128][ T1021] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 110.741069][ T1021] ata1.00: configured for UDMA/100 [ 110.744390][ T1021] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x3e7000) Warning: Permanently added '[localhost]:25209' (ED25519) to the list of known hosts. 2026/08/14 02:42:00 parsed 1 programs [ 119.080782][ T5293] cgroup: Unknown subsys name 'net' [ 119.149522][ T5293] cgroup: Unknown subsys name 'cpuset' [ 119.155821][ T5293] cgroup: Unknown subsys name 'rlimit' [ 137.886035][ T1324] ieee802154 phy0 wpan0: encryption failed: -22 [ 137.888903][ T1324] ieee802154 phy1 wpan1: encryption failed: -22 [ 141.104527][ T1021] ata1.00: exception Emask 0x0 SAct 0x20 SErr 0x0 action 0x6 frozen [ 141.108164][ T1021] ata1.00: failed command: WRITE FPDMA QUEUED [ 141.110878][ T1021] ata1.00: cmd 61/38:28:f6:d7:04/1f:00:00:00:00/40 tag 5 ncq dma 4091904 ou [ 141.110878][ T1021] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 141.118587][ T1021] ata1.00: status: { DRDY } [ 141.121244][ T1021] ata1: hard resetting link [ 141.445421][ T1021] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 141.449363][ T1021] ata1.00: configured for UDMA/100 [ 141.451895][ T1021] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 141.575435][ T1021] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 141.578414][ T1021] ata1: failed to read log page 10h (errno=-5) [ 141.581057][ T1021] ata1.00: NCQ disabled due to excessive errors [ 141.583812][ T1021] ata1.00: exception Emask 0x1 SAct 0x18000000 SErr 0x0 action 0x0 [ 141.587552][ T1021] ata1.00: irq_stat 0x41000000 [ 141.590112][ T1021] ata1.00: failed command: WRITE FPDMA QUEUED [ 141.592859][ T1021] ata1.00: cmd 61/00:d8:36:01:05/20:00:00:00:00/40 tag 27 ncq dma 4194304 ou [ 141.592859][ T1021] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 141.600840][ T1021] ata1.00: status: { DRDY } [ 141.602887][ T1021] ata1.00: error: { ABRT } [ 141.605295][ T1021] ata1.00: failed command: WRITE FPDMA QUEUED [ 141.608109][ T1021] ata1.00: cmd 61/08:e0:36:01:08/00:00:00:00:00/40 tag 28 ncq dma 4096 out [ 141.608109][ T1021] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 141.615876][ T1021] ata1.00: status: { DRDY } [ 141.617992][ T1021] ata1.00: error: { ABRT } [ 141.621141][ T1021] ata1.00: configured for UDMA/100 [ 141.623932][ T1021] 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-build380178821=/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 6e7b551144 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=6e7b5511445a3ccf42ec9b77a5844fa4e1f4fcec -X github.com/google/syzkaller/prog.gitRevisionDate=20260220-181107" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=6e7b5511445a3ccf42ec9b77a5844fa4e1f4fcec -X github.com/google/syzkaller/prog.gitRevisionDate=20260220-181107" ./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=6e7b5511445a3ccf42ec9b77a5844fa4e1f4fcec -X github.com/google/syzkaller/prog.gitRevisionDate=20260220-181107" -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=\"6e7b5511445a3ccf42ec9b77a5844fa4e1f4fcec\" /usr/bin/ld: /tmp/cctmaORb.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