lost connection to test machine syzkaller login: qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0xd9000) qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0xaf000) Warning: Permanently added '[localhost]:4647' (ED25519) to the list of known hosts. 2026/10/05 05:57:36 parsed 1 programs [ 88.953275][ T5294] cgroup: Unknown subsys name 'net' [ 89.007390][ T5294] cgroup: Unknown subsys name 'cpuset' [ 89.015900][ T5294] cgroup: Unknown subsys name 'rlimit' [ 91.933954][ T868] cfg80211: failed to load regulatory.db [ 110.510031][ T1026] ata1.00: exception Emask 0x0 SAct 0x40004000 SErr 0x0 action 0x6 frozen [ 110.510070][ T1026] ata1.00: failed command: WRITE FPDMA QUEUED [ 110.510078][ T1026] ata1.00: cmd 61/c8:70:c6:49:04/06:00:00:00:00/40 tag 14 ncq dma 888832 out [ 110.510078][ T1026] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 110.510112][ T1026] ata1.00: status: { DRDY } [ 110.510123][ T1026] ata1.00: failed command: WRITE FPDMA QUEUED [ 110.510130][ T1026] ata1.00: cmd 61/78:f0:c6:9a:04/05:00:00:00:00/40 tag 30 ncq dma 716800 out [ 110.510130][ T1026] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 110.510166][ T1026] ata1.00: status: { DRDY } [ 110.510217][ T1026] ata1: hard resetting link [ 110.830702][ T1026] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 110.831711][ T1026] ata1.00: configured for UDMA/100 [ 110.832588][ T1026] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 110.863773][ T1026] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 110.863790][ T1026] ata1: failed to read log page 10h (errno=-5) [ 110.863804][ T1026] ata1.00: exception Emask 0x1 SAct 0x700000 SErr 0x0 action 0x0 [ 110.863816][ T1026] ata1.00: irq_stat 0x41000000 [ 110.863827][ T1026] ata1.00: failed command: WRITE FPDMA QUEUED [ 110.863834][ T1026] ata1.00: cmd 61/00:a0:36:01:05/20:00:00:00:00/40 tag 20 ncq dma 4194304 ou [ 110.863834][ T1026] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 110.863867][ T1026] ata1.00: status: { DRDY } [ 110.863877][ T1026] ata1.00: failed command: WRITE FPDMA QUEUED qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 110.863883][ T1026] ata1.00: cmd 61/00:a8:36:21:05/20:00:00:00:00/40 tag 21 ncq dma 4194304 ou [ 110.863883][ T1026] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 110.863915][ T1026] ata1.00: status: { DRDY } [ 110.863924][ T1026] ata1.00: failed command: WRITE FPDMA QUEUED [ 110.863931][ T1026] ata1.00: cmd 61/00:b0:36:41:05/20:00:00:00:00/40 tag 22 ncq dma 4194304 ou [ 110.863931][ T1026] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 110.863962][ T1026] ata1.00: status: { DRDY } [ 110.866703][ T1026] ata1.00: configured for UDMA/100 [ 110.892646][ T1026] ata1: EH complete [ 110.955312][ T1026] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 110.955329][ T1026] ata1: failed to read log page 10h (errno=-5) [ 110.955341][ T1026] ata1.00: NCQ disabled due to excessive errors [ 110.955349][ T1026] ata1.00: exception Emask 0x1 SAct 0x7c SErr 0x0 action 0x0 [ 110.955359][ T1026] ata1.00: irq_stat 0x41000000 [ 110.955369][ T1026] ata1.00: failed command: WRITE FPDMA QUEUED [ 110.955376][ T1026] ata1.00: cmd 61/00:10:36:61:05/20:00:00:00:00/40 tag 2 ncq dma 4194304 ou [ 110.955376][ T1026] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 110.955403][ T1026] ata1.00: status: { DRDY } [ 110.955411][ T1026] ata1.00: error: { ABRT } [ 110.955420][ T1026] ata1.00: failed command: WRITE FPDMA QUEUED [ 110.957319][ T1026] ata1.00: cmd 61/00:18:36:01:05/20:00:00:00:00/40 tag 3 ncq dma 4194304 ou [ 110.957319][ T1026] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 110.957353][ T1026] ata1.00: status: { DRDY } [ 110.957360][ T1026] ata1.00: error: { ABRT } [ 110.957370][ T1026] ata1.00: failed command: WRITE FPDMA QUEUED [ 110.957377][ T1026] ata1.00: cmd 61/00:20:36:21:05/20:00:00:00:00/40 tag 4 ncq dma 4194304 ou [ 110.957377][ T1026] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 110.958215][ T1026] ata1.00: status: { DRDY } [ 110.958225][ T1026] ata1.00: error: { ABRT } [ 110.958235][ T1026] ata1.00: failed command: WRITE FPDMA QUEUED [ 110.958242][ T1026] ata1.00: cmd 61/00:28:36:41:05/20:00:00:00:00/40 tag 5 ncq dma 4194304 ou [ 110.958242][ T1026] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 110.958271][ T1026] ata1.00: status: { DRDY } [ 110.958278][ T1026] ata1.00: error: { ABRT } [ 110.958287][ T1026] ata1.00: failed command: WRITE FPDMA QUEUED [ 110.958294][ T1026] ata1.00: cmd 61/20:30:36:81:05/07:00:00:00:00/40 tag 6 ncq dma 933888 out [ 110.958294][ T1026] res 50/04:01:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 110.958323][ T1026] ata1.00: status: { DRDY } [ 110.958330][ T1026] ata1.00: error: { ABRT } [ 111.049208][ T1026] ata1.00: configured for UDMA/100 [ 111.069602][ T1026] 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-build1632167992=/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 b0714e3765d 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=b0714e3765d142fe4804381880268a54cb4b984c -X 'github.com/google/syzkaller/prog.gitRevisionDate=20250502-153212'" -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=\"b0714e3765d142fe4804381880268a54cb4b984c\" /usr/bin/ld: /tmp/ccfjscdA.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