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) qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0xd0000) [ 92.106018][ T11] cfg80211: failed to load regulatory.db Warning: Permanently added '[localhost]:23720' (ED25519) to the list of known hosts. 2026/10/10 05:07:07 parsed 1 programs [ 96.738010][ T5287] cgroup: Unknown subsys name 'net' [ 96.816255][ T5287] cgroup: Unknown subsys name 'cpuset' [ 96.819009][ T5287] cgroup: Unknown subsys name 'rlimit' [ 117.702407][ T1025] ata1.00: exception Emask 0x0 SAct 0x4800 SErr 0x0 action 0x6 frozen [ 117.702459][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED [ 117.702466][ T1025] ata1.00: cmd 61/00:58:36:81:04/20:00:00:00:00/40 tag 11 ncq dma 4194304 ou [ 117.702466][ T1025] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 117.702504][ T1025] ata1.00: status: { DRDY } [ 117.702514][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED [ 117.702521][ T1025] ata1.00: cmd 61/80:70:b6:da:04/06:00:00:00:00/40 tag 14 ncq dma 851968 out [ 117.702521][ T1025] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 117.702551][ T1025] ata1.00: status: { DRDY } [ 117.702615][ T1025] ata1: hard resetting link [ 118.027800][ T1025] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 118.031231][ T1025] ata1.00: configured for UDMA/100 [ 118.031825][ T1025] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 138.167066][ T1329] ieee802154 phy0 wpan0: encryption failed: -22 [ 138.167183][ T1329] ieee802154 phy1 wpan1: encryption failed: -22 [ 148.422381][ T1025] ata1.00: exception Emask 0x0 SAct 0x200000 SErr 0x0 action 0x6 frozen [ 148.422448][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED [ 148.422456][ T1025] ata1.00: cmd 61/00:a8:36:e1:04/20:00:00:00:00/40 tag 21 ncq dma 4194304 ou [ 148.422456][ T1025] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 148.422484][ T1025] ata1.00: status: { DRDY } [ 148.422563][ T1025] ata1: hard resetting link [ 148.746487][ T1025] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 148.747530][ T1025] ata1.00: configured for UDMA/100 [ 148.747858][ T1025] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 148.774184][ T1025] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 148.774204][ T1025] ata1: failed to read log page 10h (errno=-5) [ 148.774217][ T1025] ata1.00: exception Emask 0x1 SAct 0x60000001 SErr 0x0 action 0x0 [ 148.774229][ T1025] ata1.00: irq_stat 0x41000000 [ 148.774240][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED [ 148.774247][ T1025] ata1.00: cmd 61/80:00:b6:da:04/06:00:00:00:00/40 tag 0 ncq dma 851968 out [ 148.774247][ T1025] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 148.774279][ T1025] ata1.00: status: { DRDY } [ 148.774287][ T1025] ata1.00: error: { ABRT } [ 148.774299][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED [ 148.774306][ T1025] ata1.00: cmd 61/00:e8:36:21:05/20:00:00:00:00/40 tag 29 ncq dma 4194304 ou [ 148.774306][ T1025] res 50/04:01:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 148.774338][ T1025] ata1.00: status: { DRDY } [ 148.774345][ T1025] ata1.00: error: { ABRT } [ 148.774355][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED [ 148.774361][ T1025] ata1.00: cmd 61/00:f0:36:81:04/20:00:00:00:00/40 tag 30 ncq dma 4194304 ou [ 148.774361][ T1025] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 148.774391][ T1025] ata1.00: status: { DRDY } [ 148.774398][ T1025] ata1.00: error: { ABRT } [ 148.775339][ T1025] ata1.00: configured for UDMA/100 [ 148.775867][ T1025] ata1: EH complete [ 148.873461][ T1025] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 148.873479][ T1025] ata1: failed to read log page 10h (errno=-5) [ 148.873490][ T1025] ata1.00: NCQ disabled due to excessive errors [ 148.873498][ T1025] ata1.00: exception Emask 0x1 SAct 0x1d40 SErr 0x0 action 0x0 [ 148.873509][ T1025] ata1.00: irq_stat 0x41000000 [ 148.873518][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED [ 148.873524][ T1025] ata1.00: cmd 61/00:30:36:e1:04/20:00:00:00:00/40 tag 6 ncq dma 4194304 ou [ 148.873524][ T1025] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) 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-build1691772187=/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 179b040e9d2 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/ccw0YxxU.o: in function `test_cover_filter()': executor.cc:(.text+0x1693b): warning: the use of `tempnam' is dangerous, better use `mkstemp' /usr/bin/ld: /tmp/ccw0YxxU.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