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]:4690' (ED25519) to the list of known hosts. 2026/08/08 11:15:23 parsed 1 programs [ 87.116485][ T5281] cgroup: Unknown subsys name 'net' [ 87.182759][ T5281] cgroup: Unknown subsys name 'cpuset' [ 87.190370][ T5281] cgroup: Unknown subsys name 'rlimit' [ 91.772188][ T10] cfg80211: failed to load regulatory.db [ 109.058042][ T1020] ata1.00: exception Emask 0x0 SAct 0x800 SErr 0x0 action 0x6 frozen [ 109.061574][ T1020] ata1.00: failed command: WRITE FPDMA QUEUED [ 109.064206][ T1020] ata1.00: cmd 61/00:58:36:81:04/20:00:00:00:00/40 tag 11 ncq dma 4194304 ou [ 109.064206][ T1020] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 109.071431][ T1020] ata1.00: status: { DRDY } [ 109.073800][ T1020] ata1: hard resetting link [ 109.388997][ T1020] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 109.392995][ T1020] ata1.00: configured for UDMA/100 [ 109.395536][ T1020] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 109.429426][ T1020] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 109.436395][ T1020] ata1: failed to read log page 10h (errno=-5) [ 109.444393][ T1020] ata1.00: exception Emask 0x1 SAct 0x65 SErr 0x0 action 0x0 [ 109.458050][ T1020] ata1.00: irq_stat 0x41000008 [ 109.460630][ T1020] ata1.00: failed command: WRITE FPDMA QUEUED [ 109.463219][ T1020] ata1.00: cmd 61/00:00:36:81:04/20:00:00:00:00/40 tag 0 ncq dma 4194304 ou [ 109.463219][ T1020] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 109.478214][ T1020] ata1.00: status: { DRDY } [ 109.482863][ T1020] ata1.00: error: { ABRT } [ 109.484923][ T1020] ata1.00: failed command: WRITE FPDMA QUEUED [ 109.487464][ T1020] ata1.00: cmd 61/08:10:56:04:10/00:00:00:00:00/40 tag 2 ncq dma 4096 out [ 109.487464][ T1020] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 109.496136][ T1020] ata1.00: status: { DRDY } [ 109.498921][ T1020] ata1.00: error: { ABRT } [ 109.501003][ T1020] ata1.00: failed command: WRITE FPDMA QUEUED [ 109.503583][ T1020] ata1.00: cmd 61/00:28:36:21:05/20:00:00:00:00/40 tag 5 ncq dma 4194304 ou [ 109.503583][ T1020] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 109.511164][ T1020] ata1.00: status: { DRDY } [ 109.513460][ T1020] ata1.00: error: { ABRT } [ 109.515455][ T1020] ata1.00: failed command: WRITE FPDMA QUEUED [ 109.518442][ T1020] ata1.00: cmd 61/e8:30:36:41:05/05:00:00:00:00/40 tag 6 ncq dma 774144 out [ 109.518442][ T1020] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 109.525695][ T1020] ata1.00: status: { DRDY } [ 109.527677][ T1020] ata1.00: error: { ABRT } [ 109.531048][ T1020] ata1.00: configured for UDMA/100 [ 109.533746][ T1020] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 109.558900][ T1020] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 109.561496][ T1020] ata1: failed to read log page 10h (errno=-5) [ 109.564142][ T1020] ata1.00: NCQ disabled due to excessive errors [ 109.566813][ T1020] ata1.00: exception Emask 0x1 SAct 0x1c00 SErr 0x0 action 0x0 [ 109.570769][ T1020] ata1.00: irq_stat 0x41000000 [ 109.572757][ T1020] ata1.00: failed command: WRITE FPDMA QUEUED [ 109.575722][ T1020] ata1.00: cmd 61/00:50:1e:47:05/20:00:00:00:00/40 tag 10 ncq dma 4194304 ou [ 109.575722][ T1020] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 109.583704][ T1020] ata1.00: status: { DRDY } [ 109.585795][ T1020] ata1.00: error: { ABRT } [ 109.587711][ T1020] ata1.00: failed command: WRITE FPDMA QUEUED [ 109.590796][ T1020] ata1.00: cmd 61/00:58:36:01:05/20:00:00:00:00/40 tag 11 ncq dma 4194304 ou [ 109.590796][ T1020] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 109.598303][ T1020] ata1.00: status: { DRDY } [ 109.600358][ T1020] ata1.00: error: { ABRT } [ 109.602300][ T1020] ata1.00: failed command: WRITE FPDMA QUEUED [ 109.604968][ T1020] ata1.00: cmd 61/00:60:36:81:04/20:00:00:00:00/40 tag 12 ncq dma 4194304 ou [ 109.604968][ T1020] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 109.612369][ T1020] ata1.00: status: { DRDY } [ 109.615954][ T1020] ata1.00: error: { ABRT } [ 109.619747][ T1020] ata1.00: configured for UDMA/100 [ 109.622598][ 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-build1175789059=/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 d34966d146 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=d34966d146f584d390b49f213d1fccd59548dc6d -X 'github.com/google/syzkaller/prog.gitRevisionDate=20250221-172117'" -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=\"d34966d146f584d390b49f213d1fccd59548dc6d\" /usr/bin/ld: /tmp/ccvum6mc.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