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]:38285' (ED25519) to the list of known hosts. 2026/08/08 10:25:38 parsed 1 programs [ 87.977051][ T5283] cgroup: Unknown subsys name 'net' [ 88.033023][ T5283] cgroup: Unknown subsys name 'cpuset' [ 88.039353][ T5283] cgroup: Unknown subsys name 'rlimit' [ 91.790497][ T1360] cfg80211: failed to load regulatory.db [ 109.724881][ T1020] ata1.00: exception Emask 0x0 SAct 0x100 SErr 0x0 action 0x6 frozen [ 109.730095][ T1020] ata1.00: failed command: WRITE FPDMA QUEUED [ 109.733063][ T1020] ata1.00: cmd 61/00:40:36:81:04/20:00:00:00:00/40 tag 8 ncq dma 4194304 ou [ 109.733063][ T1020] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 109.742033][ T1020] ata1.00: status: { DRDY } [ 109.744763][ T1020] ata1: hard resetting link [ 110.066651][ T1020] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 110.071756][ T1020] ata1.00: configured for UDMA/100 [ 110.074266][ T1020] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x354000) [ 110.117515][ T1020] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 110.124685][ T1020] ata1: failed to read log page 10h (errno=-5) [ 110.129558][ T1020] ata1.00: exception Emask 0x1 SAct 0x68000001 SErr 0x0 action 0x0 [ 110.145991][ T1020] ata1.00: irq_stat 0x40000000 [ 110.149456][ T1020] ata1.00: failed command: WRITE FPDMA QUEUED [ 110.155506][ T1020] ata1.00: cmd 61/00:00:36:41:05/20:00:00:00:00/40 tag 0 ncq dma 4194304 ou [ 110.155506][ T1020] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 110.168964][ T1020] ata1.00: status: { DRDY } [ 110.171084][ T1020] ata1.00: error: { ABRT } [ 110.173072][ T1020] ata1.00: failed command: WRITE FPDMA QUEUED [ 110.176215][ T1020] ata1.00: cmd 61/00:d8:36:81:04/20:00:00:00:00/40 tag 27 ncq dma 4194304 ou [ 110.176215][ T1020] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 110.186952][ T1020] ata1.00: status: { DRDY } [ 110.189193][ T1020] ata1.00: error: { ABRT } [ 110.191170][ T1020] ata1.00: failed command: WRITE FPDMA QUEUED [ 110.193847][ T1020] ata1.00: cmd 61/00:e8:96:06:05/20:00:00:00:00/40 tag 29 ncq dma 4194304 ou [ 110.193847][ T1020] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 110.201928][ T1020] ata1.00: status: { DRDY } [ 110.203982][ T1020] ata1.00: error: { ABRT } [ 110.206024][ T1020] ata1.00: failed command: WRITE FPDMA QUEUED [ 110.208908][ T1020] ata1.00: cmd 61/a0:f0:96:26:05/1a:00:00:00:00/40 tag 30 ncq dma 3489792 ou [ 110.208908][ T1020] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 110.216506][ T1020] ata1.00: status: { DRDY } [ 110.218721][ T1020] ata1.00: error: { ABRT } [ 110.221616][ T1020] ata1.00: configured for UDMA/100 [ 110.225030][ T1020] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 110.246018][ T1020] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 110.249614][ T1020] ata1: failed to read log page 10h (errno=-5) [ 110.252560][ T1020] ata1.00: NCQ disabled due to excessive errors [ 110.255471][ T1020] ata1.00: exception Emask 0x1 SAct 0x380 SErr 0x0 action 0x0 [ 110.258766][ T1020] ata1.00: irq_stat 0x41000000 [ 110.260824][ T1020] ata1.00: failed command: WRITE FPDMA QUEUED [ 110.263427][ T1020] ata1.00: cmd 61/00:38:36:61:05/20:00:00:00:00/40 tag 7 ncq dma 4194304 ou [ 110.263427][ T1020] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 110.271004][ T1020] ata1.00: status: { DRDY } [ 110.272940][ T1020] ata1.00: error: { ABRT } [ 110.275116][ T1020] ata1.00: failed command: WRITE FPDMA QUEUED [ 110.277717][ T1020] ata1.00: cmd 61/00:40:36:41:05/20:00:00:00:00/40 tag 8 ncq dma 4194304 ou [ 110.277717][ T1020] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 110.285147][ T1020] ata1.00: status: { DRDY } [ 110.287160][ T1020] ata1.00: error: { ABRT } [ 110.289109][ T1020] ata1.00: failed command: WRITE FPDMA QUEUED [ 110.291806][ T1020] ata1.00: cmd 61/00:48:36:81:04/20:00:00:00:00/40 tag 9 ncq dma 4194304 ou [ 110.291806][ T1020] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 110.299462][ T1020] ata1.00: status: { DRDY } [ 110.301811][ T1020] ata1.00: error: { ABRT } [ 110.305209][ T1020] ata1.00: configured for UDMA/100 [ 110.308342][ T1020] 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-build312684531=/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 0808a665bc 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=0808a665bc75ab0845906bfeca0d12fb520ae6eb -X 'github.com/google/syzkaller/prog.gitRevisionDate=20250220-164537'" -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=\"0808a665bc75ab0845906bfeca0d12fb520ae6eb\" /usr/bin/ld: /tmp/ccyp19vt.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