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]:18285' (ED25519) to the list of known hosts. [ 91.777174][ T807] cfg80211: failed to load regulatory.db 2026/07/23 09:47:37 parsed 1 programs [ 96.222915][ T5294] cgroup: Unknown subsys name 'net' [ 96.295238][ T5294] cgroup: Unknown subsys name 'cpuset' [ 96.302705][ T5294] cgroup: Unknown subsys name 'rlimit' [ 137.853624][ T1331] ieee802154 phy0 wpan0: encryption failed: -22 [ 137.856386][ T1331] ieee802154 phy1 wpan1: encryption failed: -22 [ 150.670304][ T1032] ata1.00: exception Emask 0x0 SAct 0x200000 SErr 0x0 action 0x6 frozen [ 150.673969][ T1032] ata1.00: failed command: WRITE FPDMA QUEUED [ 150.676566][ T1032] ata1.00: cmd 61/00:a8:36:c1:04/20:00:00:00:00/40 tag 21 ncq dma 4194304 ou [ 150.676566][ T1032] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 150.684247][ T1032] ata1.00: status: { DRDY } [ 150.687016][ T1032] ata1: hard resetting link [ 151.011032][ T1032] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 151.015201][ T1032] ata1.00: configured for UDMA/100 [ 151.017717][ T1032] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 151.051194][ T1032] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 151.054353][ T1032] ata1: failed to read log page 10h (errno=-5) [ 151.056966][ T1032] ata1.00: NCQ disabled due to excessive errors [ 151.059618][ T1032] ata1.00: exception Emask 0x1 SAct 0x1d80 SErr 0x0 action 0x0 [ 151.080293][ T1032] ata1.00: irq_stat 0x41000000 [ 151.082565][ T1032] ata1.00: failed command: WRITE FPDMA QUEUED [ 151.085275][ T1032] ata1.00: cmd 61/00:38:36:c1:04/20:00:00:00:00/40 tag 7 ncq dma 4194304 ou [ 151.085275][ T1032] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 151.096488][ T1032] ata1.00: status: { DRDY } [ 151.098580][ T1032] ata1.00: failed command: WRITE FPDMA QUEUED [ 151.101543][ T1032] ata1.00: cmd 61/08:40:c6:04:10/00:00:00:00:00/40 tag 8 ncq dma 4096 out [ 151.101543][ T1032] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 151.108683][ T1032] ata1.00: status: { DRDY } [ 151.111279][ T1032] ata1.00: failed command: WRITE FPDMA QUEUED [ 151.113965][ T1032] ata1.00: cmd 61/00:50:36:01:05/20:00:00:00:00/40 tag 10 ncq dma 4194304 ou [ 151.113965][ T1032] res 50/00:01:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 151.121530][ T1032] ata1.00: status: { DRDY } [ 151.123534][ T1032] ata1.00: failed command: WRITE FPDMA QUEUED [ 151.125953][ T1032] ata1.00: cmd 61/00:58:36:21:05/20:00:00:00:00/40 tag 11 ncq dma 4194304 ou [ 151.125953][ T1032] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 151.133217][ T1032] ata1.00: status: { DRDY } [ 151.135263][ T1032] ata1.00: failed command: WRITE FPDMA QUEUED [ 151.137757][ T1032] ata1.00: cmd 61/00:60:36:41:05/20:00:00:00:00/40 tag 12 ncq dma 4194304 ou [ 151.137757][ T1032] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 151.145492][ T1032] ata1.00: status: { DRDY } [ 151.149527][ T1032] ata1.00: configured for UDMA/100 [ 151.153241][ T1032] ata1: EH complete Setting up swapspace version 1, size = 127995904 bytes [ 152.525426][ T5294] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 158.109130][ T5331] 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. [ 161.055437][ T5360] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 161.063908][ T5360] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 161.068061][ T5360] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 161.080028][ T5360] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 161.083861][ T5360] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 163.132065][ T5360] Bluetooth: hci0: command tx timeout 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-build2677066244=/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 d1b870e100 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}}' -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=d1b870e1003b52891d2196c1e2ee42fe905010ba -X github.com/google/syzkaller/prog.gitRevisionDate=20251128-125159" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=d1b870e1003b52891d2196c1e2ee42fe905010ba -X github.com/google/syzkaller/prog.gitRevisionDate=20251128-125159" ./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=d1b870e1003b52891d2196c1e2ee42fe905010ba -X github.com/google/syzkaller/prog.gitRevisionDate=20251128-125159" -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=\"d1b870e1003b52891d2196c1e2ee42fe905010ba\" /usr/bin/ld: /tmp/ccA1zdqB.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 ./tools/check-syzos.sh 2>/dev/null