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) [ 89.701384][ T1011] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 89.704775][ T1011] ata1: failed to read log page 10h (errno=-5) [ 89.727227][ T1011] ata1.00: exception Emask 0x1 SAct 0x780000 SErr 0x0 action 0x0 [ 89.730968][ T1011] ata1.00: irq_stat 0x41000000 [ 89.734383][ T1011] ata1.00: failed command: WRITE FPDMA QUEUED [ 89.759223][ T1011] ata1.00: cmd 61/e8:98:36:81:04/0f:00:00:00:00/40 tag 19 ncq dma 2084864 ou [ 89.759223][ T1011] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 89.793542][ T1011] ata1.00: status: { DRDY } [ 89.795863][ T1011] ata1.00: failed command: WRITE FPDMA QUEUED [ 89.817272][ T1011] ata1.00: cmd 61/70:a0:1e:91:04/03:00:00:00:00/40 tag 20 ncq dma 450560 out [ 89.817272][ T1011] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 89.852280][ T1011] ata1.00: status: { DRDY } [ 89.854348][ T1011] ata1.00: failed command: WRITE FPDMA QUEUED [ 89.883413][ T1011] ata1.00: cmd 61/00:a8:8e:94:04/20:00:00:00:00/40 tag 21 ncq dma 4194304 ou [ 89.883413][ T1011] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 89.906621][ T1011] ata1.00: status: { DRDY } [ 89.924064][ T1011] ata1.00: failed command: WRITE FPDMA QUEUED [ 89.930323][ T1011] ata1.00: cmd 61/a8:b0:8e:b4:04/0c:00:00:00:00/40 tag 22 ncq dma 1658880 ou [ 89.930323][ T1011] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 89.958881][ T1011] ata1.00: status: { DRDY } [ 89.969631][ T1011] ata1.00: configured for UDMA/100 [ 89.995649][ T1011] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x98000) Warning: Permanently added '[localhost]:24391' (ED25519) to the list of known hosts. [ 97.296655][ T789] cfg80211: failed to load regulatory.db [ 154.897371][ T1011] ata1.00: exception Emask 0x0 SAct 0x40000000 SErr 0x0 action 0x6 frozen [ 154.901395][ T1011] ata1.00: failed command: WRITE FPDMA QUEUED [ 154.904543][ T1011] ata1.00: cmd 61/c0:f0:56:38:05/04:00:00:00:00/40 tag 30 ncq dma 622592 out [ 154.904543][ T1011] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 154.914193][ T1011] ata1.00: status: { DRDY } [ 154.916400][ T1011] ata1: hard resetting link [ 155.240628][ T1011] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 155.247149][ T1011] ata1.00: configured for UDMA/100 [ 155.250433][ T1011] ata1: EH complete 2026/03/23 23:22:52 parsed 1 programs [ 160.152081][ T5338] cgroup: Unknown subsys name 'net' [ 160.232156][ T5338] cgroup: Unknown subsys name 'cpuset' [ 160.238911][ T5338] cgroup: Unknown subsys name 'rlimit' [ 162.192142][ T5338] 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 (0xa1000) [ 165.977876][ T1011] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 165.981033][ T1011] ata1: failed to read log page 10h (errno=-5) [ 165.996934][ T1011] ata1.00: NCQ disabled due to excessive errors [ 165.999939][ T1011] ata1.00: exception Emask 0x1 SAct 0x40000000 SErr 0x0 action 0x0 [ 166.003450][ T1011] ata1.00: irq_stat 0x41000008 [ 166.026935][ T1011] ata1.00: failed command: READ FPDMA QUEUED [ 166.030051][ T1011] ata1.00: cmd 60/08:f0:36:35:05/05:00:00:00:00/40 tag 30 ncq dma 659456 in [ 166.030051][ T1011] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 166.040186][ T1011] ata1.00: status: { DRDY } [ 166.042085][ T1011] ata1.00: error: { ABRT } [ 166.050895][ T1011] ata1.00: configured for UDMA/100 [ 166.053810][ T1011] sd 0:0:0:0: [sda] tag#30 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s [ 166.067189][ T1011] sd 0:0:0:0: [sda] tag#30 Sense Key : Aborted Command [current] [ 166.071542][ T1011] sd 0:0:0:0: [sda] tag#30 Add. Sense: No additional sense information [ 166.075873][ T1011] sd 0:0:0:0: [sda] tag#30 CDB: Read(10) 28 00 00 05 35 36 00 05 08 00 [ 166.093195][ T1011] I/O error, dev sda, sector 341302 op 0x0:(READ) flags 0x80700 phys_seg 161 prio class 2 [ 166.099675][ 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-build2992656952=/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 568559e4e604 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=568559e4e604140cecd9fc4835eaa0298a1cadcc -X 'github.com/google/syzkaller/prog.gitRevisionDate=20250201-125757'" -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=\"568559e4e604140cecd9fc4835eaa0298a1cadcc\" /usr/bin/ld: /tmp/ccZLMF33.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