lost connection to test machine syzkaller login: qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x1e7000) qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x101000) [ 57.921176][ T1011] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 57.923509][ T1011] ata1: failed to read log page 10h (errno=-5) [ 57.925634][ T1011] ata1.00: exception Emask 0x1 SAct 0x4800c100 SErr 0x0 action 0x0 [ 57.928343][ T1011] ata1.00: irq_stat 0x40000000 [ 57.940428][ T1011] ata1.00: failed command: WRITE FPDMA QUEUED [ 57.942548][ T1011] ata1.00: cmd 61/00:40:96:5e:05/20:00:00:00:00/40 tag 8 ncq dma 4194304 ou [ 57.942548][ T1011] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 57.948390][ T1011] ata1.00: status: { DRDY } [ 57.949981][ T1011] ata1.00: error: { ABRT } [ 57.953071][ T1011] ata1.00: failed command: WRITE FPDMA QUEUED [ 57.959709][ T1011] ata1.00: cmd 61/08:70:46:96:05/08:00:00:00:00/40 tag 14 ncq dma 1052672 ou [ 57.959709][ T1011] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 57.967448][ T1011] ata1.00: status: { DRDY } [ 57.969042][ T1011] ata1.00: error: { ABRT } [ 57.971553][ T1011] ata1.00: failed command: WRITE FPDMA QUEUED [ 57.973937][ T1011] ata1.00: cmd 61/10:78:4e:9e:05/04:00:00:00:00/40 tag 15 ncq dma 532480 out [ 57.973937][ T1011] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 57.980588][ T1011] ata1.00: status: { DRDY } [ 57.982186][ T1011] ata1.00: error: { ABRT } [ 57.983750][ T1011] ata1.00: failed command: WRITE FPDMA QUEUED [ 57.985837][ T1011] ata1.00: cmd 61/38:d8:36:81:04/0f:00:00:00:00/40 tag 27 ncq dma 1994752 ou [ 57.985837][ T1011] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 57.992007][ T1011] ata1.00: status: { DRDY } [ 57.993595][ T1011] ata1.00: error: { ABRT } [ 57.995143][ T1011] ata1.00: failed command: WRITE FPDMA QUEUED [ 57.997236][ T1011] ata1.00: cmd 61/00:f0:36:c1:04/20:00:00:00:00/40 tag 30 ncq dma 4194304 ou [ 57.997236][ T1011] res 50/04:01:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 58.003354][ T1011] ata1.00: status: { DRDY } [ 58.004955][ T1011] ata1.00: error: { ABRT } [ 58.007231][ T1011] ata1.00: configured for UDMA/100 [ 58.009487][ T1011] ata1: EH complete Warning: Permanently added '[localhost]:46066' (ED25519) to the list of known hosts. 2026/03/14 18:12:52 parsed 1 programs [ 60.961278][ T5303] cgroup: Unknown subsys name 'net' [ 61.004414][ T5303] cgroup: Unknown subsys name 'cpuset' [ 61.008077][ T5303] cgroup: Unknown subsys name 'rlimit' [ 62.144489][ T5303] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x192000) [ 64.724947][ T5315] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 66.599562][ T5362] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 66.605244][ T5362] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 66.608018][ T5362] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 66.611020][ T5362] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 66.613662][ T5362] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 66.643674][ T220] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.646448][ T220] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.978360][ T42] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.000251][ T42] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.022510][ T1315] ieee802154 phy0 wpan0: encryption failed: -22 [ 76.024863][ T1315] ieee802154 phy1 wpan1: encryption failed: -22 [ 86.261216][ T1362] cfg80211: failed to load regulatory.db [ 125.616193][ T1092] bond0 (unregistering): Released all slaves [ 126.600197][ T1011] ata1.00: NCQ disabled due to excessive errors [ 126.602461][ T1011] ata1.00: exception Emask 0x0 SAct 0x4000 SErr 0x0 action 0x6 frozen [ 126.605397][ T1011] ata1.00: failed command: WRITE FPDMA QUEUED [ 126.607609][ T1011] ata1.00: cmd 61/90:70:66:c2:05/0c:00:00:00:00/40 tag 14 ncq dma 1646592 ou [ 126.607609][ T1011] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 126.613971][ T1011] ata1.00: status: { DRDY } [ 126.615765][ T1011] ata1: hard resetting link [ 126.934186][ T1011] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 126.937490][ T1011] ata1.00: configured for UDMA/100 [ 126.939655][ T1011] 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-build1286986275=/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 fb8f743dc82b 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=fb8f743dc82ba3a879228aa71ce09fdc570665d1 -X github.com/google/syzkaller/prog.gitRevisionDate=20250724-140804" -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=\"fb8f743dc82ba3a879228aa71ce09fdc570665d1\" /usr/bin/ld: /tmp/cc3WJCr4.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