lost connection to test machine syzkaller login: qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) Warning: Permanently added '[localhost]:63894' (ED25519) to the list of known hosts. 2026/04/05 11:58:32 parsed 1 programs [ 97.220896][ T53] cfg80211: failed to load regulatory.db [ 99.821015][ T5312] cgroup: Unknown subsys name 'net' [ 99.877480][ T5312] cgroup: Unknown subsys name 'cpuset' [ 99.887102][ T5312] cgroup: Unknown subsys name 'rlimit' [ 143.298821][ T1316] ieee802154 phy0 wpan0: encryption failed: -22 [ 143.302273][ T1316] ieee802154 phy1 wpan1: encryption failed: -22 [ 152.913792][ T1011] ata1.00: exception Emask 0x0 SAct 0x8000000 SErr 0x0 action 0x6 frozen [ 152.917997][ T1011] ata1.00: failed command: WRITE FPDMA QUEUED [ 152.920798][ T1011] ata1.00: cmd 61/00:d8:36:81:04/20:00:00:00:00/40 tag 27 ncq dma 4194304 ou [ 152.920798][ T1011] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 152.931706][ T1011] ata1.00: status: { DRDY } [ 152.935608][ T1011] ata1: hard resetting link [ 153.257198][ T1011] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 153.265165][ T1011] ata1.00: configured for UDMA/100 [ 153.268375][ T1011] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 153.294619][ T1011] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 153.298485][ T1011] ata1: failed to read log page 10h (errno=-5) [ 153.301491][ T1011] ata1.00: exception Emask 0x1 SAct 0x7c SErr 0x0 action 0x0 [ 153.305818][ T1011] ata1.00: irq_stat 0x41000000 [ 153.308267][ T1011] ata1.00: failed command: WRITE FPDMA QUEUED [ 153.311717][ T1011] ata1.00: cmd 61/00:10:36:e1:04/20:00:00:00:00/40 tag 2 ncq dma 4194304 ou [ 153.311717][ T1011] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 153.320397][ T1011] ata1.00: status: { DRDY } [ 153.323129][ T1011] ata1.00: error: { ABRT } [ 153.326889][ T1011] ata1.00: failed command: WRITE FPDMA QUEUED [ 153.329889][ T1011] ata1.00: cmd 61/00:18:36:01:05/20:00:00:00:00/40 tag 3 ncq dma 4194304 ou [ 153.329889][ T1011] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 153.338304][ T1011] ata1.00: status: { DRDY } [ 153.340885][ T1011] ata1.00: error: { ABRT } [ 153.343219][ T1011] ata1.00: failed command: WRITE FPDMA QUEUED [ 153.346824][ T1011] ata1.00: cmd 61/00:20:36:21:05/20:00:00:00:00/40 tag 4 ncq dma 4194304 ou [ 153.346824][ T1011] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 153.355527][ T1011] ata1.00: status: { DRDY } [ 153.359399][ T1011] ata1.00: error: { ABRT } [ 153.362923][ T1011] ata1.00: failed command: WRITE FPDMA QUEUED [ 153.366262][ T1011] ata1.00: cmd 61/00:28:36:41:05/20:00:00:00:00/40 tag 5 ncq dma 4194304 ou [ 153.366262][ T1011] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 153.375246][ T1011] ata1.00: status: { DRDY } [ 153.377496][ T1011] ata1.00: error: { ABRT } [ 153.379802][ T1011] ata1.00: failed command: WRITE FPDMA QUEUED [ 153.382935][ T1011] ata1.00: cmd 61/00:30:36:61:05/20:00:00:00:00/40 tag 6 ncq dma 4194304 ou [ 153.382935][ T1011] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 153.391563][ T1011] ata1.00: status: { DRDY } [ 153.394929][ T1011] ata1.00: error: { ABRT } [ 153.399153][ T1011] ata1.00: configured for UDMA/100 [ 153.402613][ T1011] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 153.434358][ T1011] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 153.437149][ T1011] ata1: failed to read log page 10h (errno=-5) [ 153.439955][ T1011] ata1.00: NCQ disabled due to excessive errors [ 153.442941][ T1011] ata1.00: exception Emask 0x1 SAct 0x700000 SErr 0x0 action 0x0 [ 153.466088][ T1011] ata1.00: irq_stat 0x41000000 [ 153.468290][ T1011] ata1.00: failed command: WRITE FPDMA QUEUED [ 153.470612][ T1011] ata1.00: cmd 61/c0:a0:ee:86:05/02:00:00:00:00/40 tag 20 ncq dma 360448 out [ 153.470612][ T1011] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 153.486289][ T1011] ata1.00: status: { DRDY } [ 153.488420][ T1011] ata1.00: failed command: WRITE FPDMA QUEUED [ 153.491157][ T1011] ata1.00: cmd 61/00:a8:36:81:04/20:00:00:00:00/40 tag 21 ncq dma 4194304 ou [ 153.491157][ T1011] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 153.501021][ T1011] ata1.00: status: { DRDY } [ 153.503062][ T1011] ata1.00: failed command: WRITE FPDMA QUEUED [ 153.507385][ T1011] ata1.00: cmd 61/00:b0:36:e1:04/20:00:00:00:00/40 tag 22 ncq dma 4194304 ou [ 153.507385][ T1011] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 153.516852][ T1011] ata1.00: status: { DRDY } [ 153.520301][ T1011] ata1.00: configured for UDMA/100 [ 153.524251][ T1011] 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-build3906373292=/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 192169592697 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=192169592697970730a7072e4137ac8af72fe5e9 -X github.com/google/syzkaller/prog.gitRevisionDate=20250903-140846" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=192169592697970730a7072e4137ac8af72fe5e9 -X github.com/google/syzkaller/prog.gitRevisionDate=20250903-140846" ./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=192169592697970730a7072e4137ac8af72fe5e9 -X github.com/google/syzkaller/prog.gitRevisionDate=20250903-140846" -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=\"192169592697970730a7072e4137ac8af72fe5e9\" /usr/bin/ld: /tmp/cczOoGEi.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