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]:58789' (ED25519) to the list of known hosts. 2026/05/19 20:23:28 parsed 1 programs [ 96.914144][ T5292] cgroup: Unknown subsys name 'net' [ 96.966101][ T5292] cgroup: Unknown subsys name 'cpuset' [ 96.976481][ T5292] cgroup: Unknown subsys name 'rlimit' [ 97.044708][ T803] cfg80211: failed to load regulatory.db [ 143.104562][ T1331] ieee802154 phy0 wpan0: encryption failed: -22 [ 143.107523][ T1331] ieee802154 phy1 wpan1: encryption failed: -22 [ 154.000726][ T1027] ata1.00: exception Emask 0x0 SAct 0x200000 SErr 0x0 action 0x6 frozen [ 154.004515][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 154.007275][ T1027] ata1.00: cmd 61/00:a8:56:5e:04/20:00:00:00:00/40 tag 21 ncq dma 4194304 ou [ 154.007275][ T1027] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 154.016834][ T1027] ata1.00: status: { DRDY } [ 154.019751][ T1027] ata1: hard resetting link [ 154.342853][ T1027] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 154.347305][ T1027] ata1.00: configured for UDMA/100 [ 154.350599][ T1027] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 154.413195][ T1027] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 154.416865][ T1027] ata1: failed to read log page 10h (errno=-5) [ 154.430604][ T1027] ata1.00: exception Emask 0x1 SAct 0x7f8000 SErr 0x0 action 0x0 [ 154.434305][ T1027] ata1.00: irq_stat 0x41000000 [ 154.436504][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 154.439335][ T1027] ata1.00: cmd 61/00:78:36:01:05/20:00:00:00:00/40 tag 15 ncq dma 4194304 ou [ 154.439335][ T1027] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 154.453636][ T1027] ata1.00: status: { DRDY } [ 154.455563][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 154.458113][ T1027] ata1.00: cmd 61/e0:80:36:21:05/04:00:00:00:00/40 tag 16 ncq dma 638976 out [ 154.458113][ T1027] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 154.465810][ T1027] ata1.00: status: { DRDY } [ 154.468034][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 154.471271][ T1027] ata1.00: cmd 61/78:88:16:26:05/0b:00:00:00:00/40 tag 17 ncq dma 1503232 ou [ 154.471271][ T1027] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 154.478594][ T1027] ata1.00: status: { DRDY } [ 154.480878][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 154.483480][ T1027] ata1.00: cmd 61/40:90:8e:31:05/03:00:00:00:00/40 tag 18 ncq dma 425984 out [ 154.483480][ T1027] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 154.491218][ T1027] ata1.00: status: { DRDY } [ 154.493298][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 154.496006][ T1027] ata1.00: cmd 61/68:98:ce:34:05/0c:00:00:00:00/40 tag 19 ncq dma 1626112 ou [ 154.496006][ T1027] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 154.505889][ T1027] ata1.00: status: { DRDY } [ 154.508066][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 154.511055][ T1027] ata1.00: cmd 61/00:a0:36:41:05/20:00:00:00:00/40 tag 20 ncq dma 4194304 ou [ 154.511055][ T1027] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 154.519194][ T1027] ata1.00: status: { DRDY } [ 154.523375][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 154.525970][ T1027] ata1.00: cmd 61/00:a8:36:61:05/20:00:00:00:00/40 tag 21 ncq dma 4194304 ou [ 154.525970][ T1027] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 154.534175][ T1027] ata1.00: status: { DRDY } [ 154.536196][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 154.538796][ T1027] ata1.00: cmd 61/c8:b0:36:81:05/05:00:00:00:00/40 tag 22 ncq dma 757760 out [ 154.538796][ T1027] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 154.546424][ T1027] ata1.00: status: { DRDY } [ 154.550055][ T1027] ata1.00: configured for UDMA/100 [ 154.553390][ T1027] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 154.591475][ T1027] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 154.594411][ T1027] ata1: failed to read log page 10h (errno=-5) [ 154.597220][ T1027] ata1.00: NCQ disabled due to excessive errors [ 154.600017][ T1027] ata1.00: exception Emask 0x1 SAct 0x60 SErr 0x0 action 0x0 [ 154.603738][ T1027] ata1.00: irq_stat 0x40000000 [ 154.605986][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 154.608752][ T1027] ata1.00: cmd 61/00:28:36:41:05/20:00:00:00:00/40 tag 5 ncq dma 4194304 ou [ 154.608752][ T1027] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 154.616863][ T1027] ata1.00: status: { DRDY } [ 154.619407][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 154.622365][ T1027] ata1.00: cmd 61/00:30:36:61:05/20:00:00:00:00/40 tag 6 ncq dma 4194304 ou [ 154.622365][ T1027] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 154.629582][ T1027] ata1.00: status: { DRDY } [ 154.633443][ T1027] ata1.00: configured for UDMA/100 [ 154.636230][ T1027] 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-build2963165134=/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 9e70464425ee 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=9e70464425eebd2fa590c49a04f09e407d4bc3d4 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20250429-124227'" -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=\"9e70464425eebd2fa590c49a04f09e407d4bc3d4\" /usr/bin/ld: /tmp/cc2TO3oM.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