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]:37004' (ED25519) to the list of known hosts. [ 97.358246][ T10] cfg80211: failed to load regulatory.db 2026/04/08 22:42:31 parsed 1 programs [ 100.304631][ T5311] cgroup: Unknown subsys name 'net' [ 100.361189][ T5311] cgroup: Unknown subsys name 'cpuset' [ 100.369260][ T5311] cgroup: Unknown subsys name 'rlimit' [ 143.431245][ T1317] ieee802154 phy0 wpan0: encryption failed: -22 [ 143.434729][ T1317] ieee802154 phy1 wpan1: encryption failed: -22 [ 150.486269][ T1010] ata1.00: exception Emask 0x0 SAct 0x100 SErr 0x0 action 0x6 frozen [ 150.490022][ T1010] ata1.00: failed command: WRITE FPDMA QUEUED [ 150.492907][ T1010] ata1.00: cmd 61/00:40:36:c1:04/20:00:00:00:00/40 tag 8 ncq dma 4194304 ou [ 150.492907][ T1010] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 150.503667][ T1010] ata1.00: status: { DRDY } [ 150.506501][ T1010] ata1: hard resetting link [ 150.828875][ T1010] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 150.833374][ T1010] ata1.00: configured for UDMA/100 [ 150.837516][ T1010] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 204.870287][ T1317] ieee802154 phy0 wpan0: encryption failed: -22 [ 204.873393][ T1317] ieee802154 phy1 wpan1: encryption failed: -22 [ 211.286054][ T1010] ata1.00: exception Emask 0x0 SAct 0x4000 SErr 0x0 action 0x6 frozen [ 211.289994][ T1010] ata1.00: failed command: WRITE FPDMA QUEUED [ 211.292912][ T1010] ata1.00: cmd 61/00:70:36:e1:04/20:00:00:00:00/40 tag 14 ncq dma 4194304 ou [ 211.292912][ T1010] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 211.302593][ T1010] ata1.00: status: { DRDY } [ 211.305550][ T1010] ata1: hard resetting link [ 211.629366][ T1010] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 211.634072][ T1010] ata1.00: configured for UDMA/100 [ 211.639210][ T1010] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x371000) [ 211.676834][ T1010] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 211.680553][ T1010] ata1: failed to read log page 10h (errno=-5) [ 211.683768][ T1010] ata1.00: NCQ disabled due to excessive errors [ 211.706126][ T1010] ata1.00: exception Emask 0x1 SAct 0x7b SErr 0x0 action 0x0 [ 211.710274][ T1010] ata1.00: irq_stat 0x41000000 [ 211.712711][ T1010] ata1.00: failed command: WRITE FPDMA QUEUED [ 211.715441][ T1010] ata1.00: cmd 61/00:00:36:e1:04/20:00:00:00:00/40 tag 0 ncq dma 4194304 ou [ 211.715441][ T1010] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 211.738136][ T1010] ata1.00: status: { DRDY } [ 211.740696][ T1010] ata1.00: failed command: WRITE FPDMA QUEUED [ 211.743613][ T1010] ata1.00: cmd 61/08:08:4e:04:10/00:00:00:00:00/40 tag 1 ncq dma 4096 out [ 211.743613][ T1010] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 211.760905][ T1010] ata1.00: status: { DRDY } [ 211.763170][ T1010] ata1.00: failed command: WRITE FPDMA QUEUED [ 211.767608][ T1010] ata1.00: cmd 61/00:18:36:01:05/20:00:00:00:00/40 tag 3 ncq dma 4194304 ou [ 211.767608][ T1010] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 211.776312][ T1010] ata1.00: status: { DRDY } [ 211.778416][ T1010] ata1.00: failed command: WRITE FPDMA QUEUED [ 211.781394][ T1010] ata1.00: cmd 61/00:20:36:21:05/20:00:00:00:00/40 tag 4 ncq dma 4194304 ou [ 211.781394][ T1010] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 211.790631][ T1010] ata1.00: status: { DRDY } [ 211.792825][ T1010] ata1.00: failed command: WRITE FPDMA QUEUED [ 211.796489][ T1010] ata1.00: cmd 61/88:28:36:41:05/1b:00:00:00:00/40 tag 5 ncq dma 3608576 ou [ 211.796489][ T1010] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 211.804834][ T1010] ata1.00: status: { DRDY } [ 211.807716][ T1010] ata1.00: failed command: WRITE FPDMA QUEUED [ 211.811235][ T1010] ata1.00: cmd 61/28:30:be:5c:05/04:00:00:00:00/40 tag 6 ncq dma 544768 out [ 211.811235][ T1010] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 211.819594][ T1010] ata1.00: status: { DRDY } [ 211.823162][ T1010] ata1.00: configured for UDMA/100 [ 211.828244][ T1010] 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-build402846596=/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 350f4ffc2119 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=350f4ffc211908fed1507b105460d0ce8400ea65 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20250506-141626'" -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=\"350f4ffc211908fed1507b105460d0ce8400ea65\" /usr/bin/ld: /tmp/ccpG2KZE.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