lost connection to test machine syzkaller login: qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0xa8000) Warning: Permanently added '[localhost]:21133' (ED25519) to the list of known hosts. [ 96.918118][ T939] cfg80211: failed to load regulatory.db [ 146.209819][ T1028] ata1.00: exception Emask 0x0 SAct 0x4000 SErr 0x0 action 0x6 frozen [ 146.213375][ T1028] ata1.00: failed command: WRITE FPDMA QUEUED [ 146.216068][ T1028] ata1.00: cmd 61/40:70:ae:49:04/05:00:00:00:00/40 tag 14 ncq dma 688128 out [ 146.216068][ T1028] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 146.224274][ T1028] ata1.00: status: { DRDY } [ 146.226486][ T1028] ata1: hard resetting link [ 146.550489][ T1028] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 146.555594][ T1028] ata1.00: configured for UDMA/100 [ 146.558654][ T1028] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 146.590894][ T1028] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 146.593839][ T1028] ata1: failed to read log page 10h (errno=-5) [ 146.596601][ T1028] ata1.00: exception Emask 0x1 SAct 0x1c00 SErr 0x0 action 0x0 [ 146.600310][ T1028] ata1.00: irq_stat 0x41000000 [ 146.602479][ T1028] ata1.00: failed command: WRITE FPDMA QUEUED [ 146.605158][ T1028] ata1.00: cmd 61/00:50:36:81:04/20:00:00:00:00/40 tag 10 ncq dma 4194304 ou [ 146.605158][ T1028] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 146.612924][ T1028] ata1.00: status: { DRDY } [ 146.615341][ T1028] ata1.00: failed command: WRITE FPDMA QUEUED [ 146.618138][ T1028] ata1.00: cmd 61/00:58:36:a1:04/20:00:00:00:00/40 tag 11 ncq dma 4194304 ou [ 146.618138][ T1028] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 146.626771][ T1028] ata1.00: status: { DRDY } [ 146.630295][ T1028] ata1.00: failed command: WRITE FPDMA QUEUED [ 146.633024][ T1028] ata1.00: cmd 61/00:60:36:c1:04/20:00:00:00:00/40 tag 12 ncq dma 4194304 ou [ 146.633024][ T1028] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 146.641128][ T1028] ata1.00: status: { DRDY } [ 146.644929][ T1028] ata1.00: configured for UDMA/100 [ 146.647824][ T1028] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 146.670752][ T1028] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 146.673646][ T1028] ata1: failed to read log page 10h (errno=-5) [ 146.676466][ T1028] ata1.00: NCQ disabled due to excessive errors [ 146.679256][ T1028] ata1.00: exception Emask 0x1 SAct 0x7c0000 SErr 0x0 action 0x0 [ 146.683321][ T1028] ata1.00: irq_stat 0x41000000 [ 146.685475][ T1028] ata1.00: failed command: WRITE FPDMA QUEUED [ 146.688134][ T1028] ata1.00: cmd 61/00:90:36:e1:04/20:00:00:00:00/40 tag 18 ncq dma 4194304 ou [ 146.688134][ T1028] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 146.696269][ T1028] ata1.00: status: { DRDY } [ 146.698556][ T1028] ata1.00: error: { ABRT } [ 146.700919][ T1028] ata1.00: failed command: WRITE FPDMA QUEUED [ 146.703807][ T1028] ata1.00: cmd 61/00:98:36:81:04/20:00:00:00:00/40 tag 19 ncq dma 4194304 ou [ 146.703807][ T1028] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 146.711782][ T1028] ata1.00: status: { DRDY } [ 146.713973][ T1028] ata1.00: error: { ABRT } [ 146.715901][ T1028] ata1.00: failed command: WRITE FPDMA QUEUED [ 146.718591][ T1028] ata1.00: cmd 61/00:a0:36:a1:04/20:00:00:00:00/40 tag 20 ncq dma 4194304 ou [ 146.718591][ T1028] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 146.726293][ T1028] ata1.00: status: { DRDY } [ 146.728752][ T1028] ata1.00: error: { ABRT } [ 146.730994][ T1028] ata1.00: failed command: WRITE FPDMA QUEUED [ 146.733696][ T1028] ata1.00: cmd 61/00:a8:36:c1:04/20:00:00:00:00/40 tag 21 ncq dma 4194304 ou [ 146.733696][ T1028] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 146.741490][ T1028] ata1.00: status: { DRDY } [ 146.743601][ T1028] ata1.00: error: { ABRT } [ 146.745570][ T1028] ata1.00: failed command: WRITE FPDMA QUEUED [ 146.748268][ T1028] ata1.00: cmd 61/00:b0:36:01:05/16:00:00:00:00/40 tag 22 ncq dma 2883584 ou [ 146.748268][ T1028] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 146.756240][ T1028] ata1.00: status: { DRDY } [ 146.758534][ T1028] ata1.00: error: { ABRT } [ 146.761691][ T1028] ata1.00: configured for UDMA/100 [ 146.764660][ T1028] 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-build1355623826=/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 0dff8567c677 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=0dff8567c67759be4a708acb57229945322c6c88 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20250201-114913'" -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=\"0dff8567c67759be4a708acb57229945322c6c88\" /usr/bin/ld: /tmp/ccdv0Zx1.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