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) [ 87.500405][ T1028] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 87.512251][ T1028] ata1: failed to read log page 10h (errno=-5) [ 87.518502][ T1028] ata1.00: exception Emask 0x1 SAct 0x70 SErr 0x0 action 0x0 [ 87.530419][ T1028] ata1.00: irq_stat 0x41000000 [ 87.532980][ T1028] ata1.00: failed command: WRITE FPDMA QUEUED [ 87.536892][ T1028] ata1.00: cmd 61/90:20:a6:6d:04/13:00:00:00:00/40 tag 4 ncq dma 2564096 ou [ 87.536892][ T1028] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 87.559422][ T1028] ata1.00: status: { DRDY } [ 87.561564][ T1028] ata1.00: failed command: WRITE FPDMA QUEUED [ 87.564710][ T1028] ata1.00: cmd 61/00:28:36:81:04/20:00:00:00:00/40 tag 5 ncq dma 4194304 ou [ 87.564710][ T1028] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 87.587332][ T1028] ata1.00: status: { DRDY } [ 87.591738][ T1028] ata1.00: failed command: WRITE FPDMA QUEUED [ 87.597821][ T1028] ata1.00: cmd 61/88:30:36:a1:04/17:00:00:00:00/40 tag 6 ncq dma 3084288 ou [ 87.597821][ T1028] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 87.613880][ T1028] ata1.00: status: { DRDY } [ 87.622363][ T1028] ata1.00: configured for UDMA/100 [ 87.630886][ T1028] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x2f1000) [ 87.670757][ T1028] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 87.674143][ T1028] ata1: failed to read log page 10h (errno=-5) [ 87.677734][ T1028] ata1.00: exception Emask 0x1 SAct 0x1c000000 SErr 0x0 action 0x0 [ 87.697428][ T1028] ata1.00: irq_stat 0x41000000 [ 87.703325][ T1028] ata1.00: failed command: WRITE FPDMA QUEUED [ 87.708111][ T1028] ata1.00: cmd 61/00:d0:36:81:04/20:00:00:00:00/40 tag 26 ncq dma 4194304 ou [ 87.708111][ T1028] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 87.725126][ T1028] ata1.00: status: { DRDY } [ 87.732555][ T1028] ata1.00: failed command: WRITE FPDMA QUEUED [ 87.737802][ T1028] ata1.00: cmd 61/88:d8:36:a1:04/17:00:00:00:00/40 tag 27 ncq dma 3084288 ou [ 87.737802][ T1028] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 87.755659][ T1028] ata1.00: status: { DRDY } [ 87.764385][ T1028] ata1.00: failed command: WRITE FPDMA QUEUED [ 87.768202][ T1028] ata1.00: cmd 61/48:e0:36:c1:04/05:00:00:00:00/40 tag 28 ncq dma 692224 out [ 87.768202][ T1028] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 87.790526][ T1028] ata1.00: status: { DRDY } [ 87.793829][ T1028] ata1.00: configured for UDMA/100 [ 87.804413][ T1028] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 89.302162][ T1028] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 89.305307][ T1028] ata1: failed to read log page 10h (errno=-5) [ 89.313595][ T1028] ata1.00: NCQ disabled due to excessive errors [ 89.321741][ T1028] ata1.00: exception Emask 0x1 SAct 0x600000 SErr 0x0 action 0x0 [ 89.332556][ T1028] ata1.00: irq_stat 0x40000000 [ 89.338289][ T1028] ata1.00: failed command: WRITE FPDMA QUEUED [ 89.344067][ T1028] ata1.00: cmd 61/00:a8:36:01:05/20:00:00:00:00/40 tag 21 ncq dma 4194304 ou [ 89.344067][ T1028] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 89.360741][ T1028] ata1.00: status: { DRDY } [ 89.367157][ T1028] ata1.00: failed command: WRITE FPDMA QUEUED [ 89.375503][ T1028] ata1.00: cmd 61/00:b0:36:21:05/20:00:00:00:00/40 tag 22 ncq dma 4194304 ou [ 89.375503][ T1028] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 89.393214][ T1028] ata1.00: status: { DRDY } [ 89.399670][ T1028] ata1.00: configured for UDMA/100 [ 89.410737][ T1028] ata1: EH complete [ 91.934225][ T1378] cfg80211: failed to load regulatory.db Warning: Permanently added '[localhost]:50250' (ED25519) to the list of known hosts. 2026/08/01 03:14:21 parsed 1 programs [ 98.668729][ T5293] cgroup: Unknown subsys name 'net' [ 98.744798][ T5293] cgroup: Unknown subsys name 'cpuset' [ 98.752120][ T5293] cgroup: Unknown subsys name 'rlimit' [ 100.567342][ T5293] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k 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-build3444495258=/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 179b040e9d 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 go fmt ./sys/... >/dev/null touch .descriptions GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=179b040e9d2068ccf2d0e0d3b084dd2293d85e04 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20241107-165040'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -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 -fpermissive -w -DGOOS_linux=1 -DGOARCH_amd64=1 \ -DHOSTGOOS_linux=1 -DGIT_REVISION=\"179b040e9d2068ccf2d0e0d3b084dd2293d85e04\" /usr/bin/ld: /tmp/ccFRlNFj.o: in function `test_cover_filter()': executor.cc:(.text+0x1693b): warning: the use of `tempnam' is dangerous, better use `mkstemp' /usr/bin/ld: /tmp/ccFRlNFj.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