lost connection to test machine qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0xbb000) [ 140.682275][ T1024] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 140.682287][ T1024] ata1: failed to read log page 10h (errno=-5) [ 140.682295][ T1024] ata1.00: NCQ disabled due to excessive errors [ 140.682302][ T1024] ata1.00: exception Emask 0x1 SAct 0xc000 SErr 0x0 action 0x0 [ 140.682312][ T1024] ata1.00: irq_stat 0x40000000 [ 140.682322][ T1024] ata1.00: failed command: WRITE FPDMA QUEUED [ 140.682329][ T1024] ata1.00: cmd 61/d8:70:7e:52:04/05:00:00:00:00/40 tag 14 ncq dma 765952 out [ 140.682329][ T1024] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 140.682358][ T1024] ata1.00: status: { DRDY } [ 140.682367][ T1024] ata1.00: failed command: WRITE FPDMA QUEUED [ 140.682373][ T1024] ata1.00: cmd 61/c0:78:56:58:04/02:00:00:00:00/40 tag 15 ncq dma 360448 out [ 140.682373][ T1024] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 140.682400][ T1024] ata1.00: status: { DRDY } [ 140.686439][ T1024] ata1.00: configured for UDMA/100 [ 140.688262][ T1024] ata1: EH complete Warning: Permanently added '[localhost]:12082' (ED25519) to the list of known hosts. 2026/09/26 20:41:57 parsed 1 programs [ 149.545676][ T5286] cgroup: Unknown subsys name 'net' [ 149.615284][ T5286] cgroup: Unknown subsys name 'cpuset' [ 149.618272][ T5286] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 151.185226][ T5286] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 156.729325][ T5311] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 156.735884][ T5311] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 156.744177][ T5311] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 156.745606][ T5311] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 156.745893][ T5311] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 157.588377][ T5306] soft_limit_in_bytes is deprecated and will be removed. Writing any value to this file has no effect. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 158.802070][ T4646] Bluetooth: hci0: command tx timeout [ 164.702508][ T5308] bridge0: port 1(bridge_slave_0) entered blocking state [ 164.702641][ T5308] bridge0: port 1(bridge_slave_0) entered disabled state [ 164.702753][ T5308] bridge_slave_0: entered allmulticast mode [ 164.733163][ T5308] bridge_slave_0: entered promiscuous mode [ 164.827178][ T5308] bridge0: port 2(bridge_slave_1) entered blocking state [ 164.827261][ T5308] bridge0: port 2(bridge_slave_1) entered disabled state [ 164.827379][ T5308] bridge_slave_1: entered allmulticast mode [ 164.846133][ T5308] bridge_slave_1: entered promiscuous mode qemu-system-x86_64: hw/ide/core.c:925: 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-build2218328948=/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 d1b870e1003 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/ccYLoxHw.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