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]:5384' (ED25519) to the list of known hosts. 2026/05/16 09:08:41 parsed 1 programs [ 96.935584][ T9] cfg80211: failed to load regulatory.db [ 97.421294][ T5295] cgroup: Unknown subsys name 'net' [ 97.478465][ T5295] cgroup: Unknown subsys name 'cpuset' [ 97.484773][ T5295] cgroup: Unknown subsys name 'rlimit' [ 143.014950][ T1330] ieee802154 phy0 wpan0: encryption failed: -22 [ 143.018413][ T1330] ieee802154 phy1 wpan1: encryption failed: -22 [ 148.791821][ T1027] ata1.00: exception Emask 0x0 SAct 0x20 SErr 0x0 action 0x6 frozen [ 148.795321][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 148.797971][ T1027] ata1.00: cmd 61/00:28:76:96:04/20:00:00:00:00/40 tag 5 ncq dma 4194304 ou [ 148.797971][ T1027] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 148.805648][ T1027] ata1.00: status: { DRDY } [ 148.808204][ T1027] ata1: hard resetting link [ 149.133078][ T1027] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 149.137543][ T1027] ata1.00: configured for UDMA/100 [ 149.140173][ T1027] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 149.184695][ T1027] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 149.191718][ T1027] ata1: failed to read log page 10h (errno=-5) [ 149.195236][ T1027] ata1.00: NCQ disabled due to excessive errors [ 149.202585][ T1027] ata1.00: exception Emask 0x1 SAct 0x1fc80000 SErr 0x0 action 0x0 [ 149.212158][ T1027] ata1.00: irq_stat 0x41000000 [ 149.214627][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 149.221707][ T1027] ata1.00: cmd 61/00:98:76:96:04/20:00:00:00:00/40 tag 19 ncq dma 4194304 ou [ 149.221707][ T1027] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 149.241786][ T1027] ata1.00: status: { DRDY } [ 149.244195][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 149.247014][ T1027] ata1.00: cmd 61/00:b0:36:01:05/20:00:00:00:00/40 tag 22 ncq dma 4194304 ou [ 149.247014][ T1027] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 149.263306][ T1027] ata1.00: status: { DRDY } [ 149.268580][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 149.271322][ T1027] ata1.00: cmd 61/70:b8:36:21:05/18:00:00:00:00/40 tag 23 ncq dma 3203072 ou [ 149.271322][ T1027] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 149.279252][ T1027] ata1.00: status: { DRDY } [ 149.281397][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 149.285663][ T1027] ata1.00: cmd 61/c0:c0:a6:39:05/03:00:00:00:00/40 tag 24 ncq dma 491520 out [ 149.285663][ T1027] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 149.293660][ T1027] ata1.00: status: { DRDY } [ 149.295808][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 149.298482][ T1027] ata1.00: cmd 61/d0:c8:66:3d:05/03:00:00:00:00/40 tag 25 ncq dma 499712 out [ 149.298482][ T1027] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 149.306539][ T1027] ata1.00: status: { DRDY } [ 149.308754][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 149.311894][ T1027] ata1.00: cmd 61/00:d0:36:41:05/20:00:00:00:00/40 tag 26 ncq dma 4194304 ou [ 149.311894][ T1027] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 149.319641][ T1027] ata1.00: status: { DRDY } [ 149.322284][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 149.324977][ T1027] ata1.00: cmd 61/00:d8:36:61:05/20:00:00:00:00/40 tag 27 ncq dma 4194304 ou [ 149.324977][ T1027] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 149.334232][ T1027] ata1.00: status: { DRDY } [ 149.336958][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 149.339805][ T1027] ata1.00: cmd 61/00:e0:36:81:05/20:00:00:00:00/40 tag 28 ncq dma 4194304 ou [ 149.339805][ T1027] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 149.348253][ T1027] ata1.00: status: { DRDY } [ 149.351487][ T1027] ata1.00: configured for UDMA/100 [ 149.355175][ 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-build3598288070=/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 d7906effc263 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=d7906effc263366a8b067258cec67072b29aa5e0 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20241003-062913'" "-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=\"d7906effc263366a8b067258cec67072b29aa5e0\" /usr/bin/ld: /tmp/cc8OA4nO.o: in function `test_cover_filter()': executor.cc:(.text+0x1691b): warning: the use of `tempnam' is dangerous, better use `mkstemp' /usr/bin/ld: /tmp/cc8OA4nO.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