lost connection to test machine syzkaller login: qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x30b000) [ 88.881136][ T1027] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 88.890171][ T1027] ata1: failed to read log page 10h (errno=-5) [ 88.900845][ T1027] ata1.00: exception Emask 0x1 SAct 0x1800 SErr 0x0 action 0x0 [ 88.913651][ T1027] ata1.00: irq_stat 0x41000000 [ 88.921656][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 88.928567][ T1027] ata1.00: cmd 61/58:58:de:68:04/18:00:00:00:00/40 tag 11 ncq dma 3190784 ou [ 88.928567][ T1027] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 88.949986][ T1027] ata1.00: status: { DRDY } [ 88.954920][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 88.963707][ T1027] ata1.00: cmd 61/60:60:36:81:04/0b:00:00:00:00/40 tag 12 ncq dma 1490944 ou [ 88.963707][ T1027] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 88.982267][ T1027] ata1.00: status: { DRDY } [ 88.987821][ T1027] ata1.00: configured for UDMA/100 [ 88.996027][ T1027] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0xf5000) [ 90.894343][ T1027] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 90.897547][ T1027] ata1: failed to read log page 10h (errno=-5) [ 90.904592][ T1027] ata1.00: NCQ disabled due to excessive errors [ 90.911288][ T1027] ata1.00: exception Emask 0x1 SAct 0x40000001 SErr 0x0 action 0x0 [ 90.918680][ T1027] ata1.00: irq_stat 0x41000000 [ 90.925131][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 90.933377][ T1027] ata1.00: cmd 61/50:00:76:c4:04/05:00:00:00:00/40 tag 0 ncq dma 696320 out [ 90.933377][ T1027] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 90.951213][ T1027] ata1.00: status: { DRDY } [ 90.954917][ T1027] ata1.00: failed command: READ FPDMA QUEUED [ 90.963569][ T1027] ata1.00: cmd 60/a8:f0:2e:e3:03/07:00:00:00:00/40 tag 30 ncq dma 1003520 in [ 90.963569][ T1027] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 90.980359][ T1027] ata1.00: status: { DRDY } [ 90.992034][ T1027] ata1.00: configured for UDMA/100 [ 90.998842][ T1027] sd 0:0:0:0: [sda] tag#30 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s [ 91.010684][ T1027] sd 0:0:0:0: [sda] tag#30 Sense Key : Aborted Command [current] [ 91.019495][ T1027] sd 0:0:0:0: [sda] tag#30 Add. Sense: No additional sense information [ 91.028533][ T1027] sd 0:0:0:0: [sda] tag#30 CDB: Read(10) 28 00 00 03 e3 2e 00 07 a8 00 [ 91.037114][ T1027] I/O error, dev sda, sector 254766 op 0x0:(READ) flags 0x80700 phys_seg 40 prio class 2 [ 91.049512][ T1027] ata1: EH complete Warning: Permanently added '[localhost]:44276' (ED25519) to the list of known hosts. [ 97.009436][ T10] cfg80211: failed to load regulatory.db 2026/05/07 20:33:48 parsed 1 programs [ 99.742643][ T5297] cgroup: Unknown subsys name 'net' [ 99.824811][ T5297] cgroup: Unknown subsys name 'cpuset' [ 99.835738][ T5297] cgroup: Unknown subsys name 'rlimit' [ 101.670737][ T5297] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k 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-build1115888736=/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 0808a665bc75 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=0808a665bc75ab0845906bfeca0d12fb520ae6eb -X 'github.com/google/syzkaller/prog.gitRevisionDate=20250220-164537'" -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=\"0808a665bc75ab0845906bfeca0d12fb520ae6eb\" /usr/bin/ld: /tmp/ccoKVJA6.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