lost connection to test machine syzkaller login: qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0xdc000) [ 79.849123][ T1030] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 79.867105][ T1030] ata1: failed to read log page 10h (errno=-5) [ 79.870744][ T1030] ata1.00: exception Emask 0x1 SAct 0xc000 SErr 0x0 action 0x0 [ 79.878789][ T1030] ata1.00: irq_stat 0x40000000 [ 79.890500][ T1030] ata1.00: failed command: WRITE FPDMA QUEUED [ 79.904729][ T1030] ata1.00: cmd 61/e0:70:36:41:04/06:00:00:00:00/40 tag 14 ncq dma 901120 out [ 79.904729][ T1030] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 79.935173][ T1030] ata1.00: status: { DRDY } [ 79.940034][ T1030] ata1.00: failed command: WRITE FPDMA QUEUED [ 79.954082][ T1030] ata1.00: cmd 61/f0:78:16:48:04/02:00:00:00:00/40 tag 15 ncq dma 385024 out [ 79.954082][ T1030] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 79.974053][ T1030] ata1.00: status: { DRDY } [ 79.981685][ T1030] ata1.00: configured for UDMA/100 [ 79.988914][ T1030] ata1: EH complete Warning: Permanently added '[localhost]:21746' (ED25519) to the list of known hosts. 2026/07/28 21:48:29 parsed 1 programs [ 89.337369][ T5291] cgroup: Unknown subsys name 'net' [ 89.410268][ T5291] cgroup: Unknown subsys name 'cpuset' [ 89.416721][ T5291] cgroup: Unknown subsys name 'rlimit' [ 90.869053][ T5291] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 91.883450][ T9] cfg80211: failed to load regulatory.db [ 97.670680][ 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. [ 102.496676][ T44] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 102.501103][ T44] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 102.505602][ T44] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 102.510181][ T44] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 102.514010][ T44] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 104.574709][ T4649] Bluetooth: hci0: command tx timeout [ 106.655651][ T4649] Bluetooth: hci0: command tx timeout [ 108.734442][ T4649] Bluetooth: hci0: command tx timeout [ 110.814031][ T4649] Bluetooth: hci0: command tx timeout qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x34d000) [ 113.526722][ T1030] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 113.537270][ T1030] ata1: failed to read log page 10h (errno=-5) [ 113.545829][ T1030] ata1.00: NCQ disabled due to excessive errors [ 113.555507][ T1030] ata1.00: exception Emask 0x1 SAct 0x8000000 SErr 0x0 action 0x0 [ 113.564408][ T1030] ata1.00: irq_stat 0x41000008 [ 113.569074][ T1030] ata1.00: failed command: READ FPDMA QUEUED [ 113.577026][ T1030] ata1.00: cmd 60/68:d8:26:0b:05/1a:00:00:00:00/40 tag 27 ncq dma 3461120 in [ 113.577026][ T1030] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 113.597345][ T1030] ata1.00: status: { DRDY } [ 113.602129][ T1030] ata1.00: error: { ABRT } [ 113.610751][ T1030] ata1.00: configured for UDMA/100 [ 113.615965][ T1030] sd 0:0:0:0: [sda] tag#27 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s [ 113.625383][ T1030] sd 0:0:0:0: [sda] tag#27 Sense Key : Aborted Command [current] [ 113.633680][ T1030] sd 0:0:0:0: [sda] tag#27 Add. Sense: No additional sense information [ 113.643536][ T1030] sd 0:0:0:0: [sda] tag#27 CDB: Read(10) 28 00 00 05 0b 26 00 1a 68 00 [ 113.655227][ T1030] I/O error, dev sda, sector 330534 op 0x0:(READ) flags 0x80700 phys_seg 147 prio class 2 [ 113.669933][ T1030] 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-build2994550516=/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 9e70464425 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=9e70464425eebd2fa590c49a04f09e407d4bc3d4 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20250429-124227'" -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=\"9e70464425eebd2fa590c49a04f09e407d4bc3d4\" /usr/bin/ld: /tmp/cctjxmlP.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