lost connection to test machine syzkaller login: qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x1a9000) [ 85.260911][ T1027] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 85.260965][ T1027] ata1: failed to read log page 10h (errno=-5) [ 85.260978][ T1027] ata1.00: exception Emask 0x1 SAct 0x18000000 SErr 0x0 action 0x0 [ 85.260989][ T1027] ata1.00: irq_stat 0x40000000 [ 85.261005][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 85.261013][ T1027] ata1.00: cmd 61/48:d8:36:41:05/0d:00:00:00:00/40 tag 27 ncq dma 1740800 ou [ 85.261013][ T1027] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 85.261044][ T1027] ata1.00: status: { DRDY } [ 85.261053][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 85.261057][ T1027] ata1.00: cmd 61/88:e0:7e:4e:05/06:00:00:00:00/40 tag 28 ncq dma 856064 out [ 85.261057][ T1027] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 85.261087][ T1027] ata1.00: status: { DRDY } [ 85.266755][ T1027] ata1.00: configured for UDMA/100 [ 85.314570][ T1027] ata1: EH complete Warning: Permanently added '[localhost]:60325' (ED25519) to the list of known hosts. 2026/10/10 22:14:07 parsed 1 programs [ 90.506849][ T5287] cgroup: Unknown subsys name 'net' [ 90.564946][ T5287] cgroup: Unknown subsys name 'cpuset' [ 90.572949][ T5287] cgroup: Unknown subsys name 'rlimit' [ 91.962733][ T10] cfg80211: failed to load regulatory.db [ 92.600114][ T5287] 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 (0x400000) [ 94.331893][ T1027] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 94.331936][ T1027] ata1: failed to read log page 10h (errno=-5) [ 94.331951][ T1027] ata1.00: exception Emask 0x1 SAct 0x40000001 SErr 0x0 action 0x0 [ 94.331963][ T1027] ata1.00: irq_stat 0x41000000 [ 94.331972][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 94.331980][ T1027] ata1.00: cmd 61/90:00:5e:c2:05/0c:00:00:00:00/40 tag 0 ncq dma 1646592 ou [ 94.331980][ T1027] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 94.332009][ T1027] ata1.00: status: { DRDY } [ 94.332020][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 94.332027][ T1027] ata1.00: cmd 61/00:f0:5e:a2:05/20:00:00:00:00/40 tag 30 ncq dma 4194304 ou [ 94.332027][ T1027] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 94.332055][ T1027] ata1.00: status: { DRDY } [ 94.383458][ T1027] ata1.00: configured for UDMA/100 [ 94.384918][ T1027] ata1: EH complete [ 101.982362][ T5309] 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. [ 104.513908][ T43] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 104.513922][ T43] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 105.039923][ T164] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 105.039940][ T164] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 106.991935][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 106.995574][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 106.996054][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 106.996808][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 107.011691][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 109.078498][ T47] Bluetooth: hci0: command tx timeout [ 111.157312][ T47] Bluetooth: hci0: command tx timeout [ 113.248204][ T47] Bluetooth: hci0: command tx timeout qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x1ea000) [ 118.945149][ T1027] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 118.945201][ T1027] ata1: failed to read log page 10h (errno=-5) [ 118.945215][ T1027] ata1.00: exception Emask 0x1 SAct 0x18000000 SErr 0x0 action 0x0 [ 118.945227][ T1027] ata1.00: irq_stat 0x41000000 [ 118.945237][ T1027] ata1.00: failed command: READ FPDMA QUEUED [ 118.945245][ T1027] ata1.00: cmd 60/50:d8:e6:71:05/0f:00:00:00:00/40 tag 27 ncq dma 2007040 in [ 118.945245][ T1027] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 118.945338][ T1027] ata1.00: status: { DRDY } [ 118.945348][ T1027] ata1.00: failed command: READ FPDMA QUEUED [ 118.945354][ T1027] ata1.00: cmd 60/80:e0:5e:a2:05/06:00:00:00:00/40 tag 28 ncq dma 851968 in [ 118.945354][ T1027] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 118.945385][ T1027] ata1.00: status: { DRDY } [ 118.945391][ T1027] ata1.00: error: { ABRT } [ 119.002828][ T1027] ata1.00: configured for UDMA/100 [ 119.028705][ T1027] sd 0:0:0:0: [sda] tag#27 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s [ 119.028742][ T1027] sd 0:0:0:0: [sda] tag#27 Sense Key : Aborted Command [current] [ 119.028767][ T1027] sd 0:0:0:0: [sda] tag#27 Add. Sense: No additional sense information [ 119.028793][ T1027] sd 0:0:0:0: [sda] tag#27 CDB: Read(10) 28 00 00 05 71 e6 00 0f 50 00 [ 119.034487][ T1027] I/O error, dev sda, sector 356838 op 0x0:(READ) flags 0x80700 phys_seg 145 prio class 2 [ 119.034767][ T1027] sd 0:0:0:0: [sda] tag#28 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s [ 119.034796][ T1027] sd 0:0:0:0: [sda] tag#28 Sense Key : Aborted Command [current] [ 119.034819][ T1027] sd 0:0:0:0: [sda] tag#28 Add. Sense: No additional sense information [ 119.034843][ T1027] sd 0:0:0:0: [sda] tag#28 CDB: Read(10) 28 00 00 05 a2 5e 00 06 80 00 [ 119.034856][ T1027] I/O error, dev sda, sector 369246 op 0x0:(READ) flags 0x80700 phys_seg 30 prio class 2 [ 119.035820][ T1027] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x18e000) [ 119.338611][ T1027] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 119.338626][ T1027] ata1: failed to read log page 10h (errno=-5) [ 119.338634][ T1027] ata1.00: NCQ disabled due to excessive errors [ 119.338639][ T1027] ata1.00: exception Emask 0x1 SAct 0x4000 SErr 0x0 action 0x0 [ 119.338647][ T1027] ata1.00: irq_stat 0x41000008 [ 119.338656][ T1027] ata1.00: failed command: READ FPDMA QUEUED [ 119.338663][ T1027] ata1.00: cmd 60/70:70:9e:af:05/0c:00:00:00:00/40 tag 14 ncq dma 1630208 in [ 119.338663][ T1027] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 119.338691][ T1027] ata1.00: status: { DRDY } [ 119.338699][ T1027] ata1.00: error: { ABRT } [ 119.379517][ T1027] ata1.00: configured for UDMA/100 [ 119.386543][ T1027] sd 0:0:0:0: [sda] tag#14 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s [ 119.386578][ T1027] sd 0:0:0:0: [sda] tag#14 Sense Key : Aborted Command [current] [ 119.386602][ T1027] sd 0:0:0:0: [sda] tag#14 Add. Sense: No additional sense information [ 119.386627][ T1027] sd 0:0:0:0: [sda] tag#14 CDB: Read(10) 28 00 00 05 af 9e 00 0c 70 00 [ 119.386643][ T1027] I/O error, dev sda, sector 372638 op 0x0:(READ) flags 0x80700 phys_seg 56 prio class 2 [ 119.386838][ T1027] ata1: EH complete 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-build2007215016=/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 fb8f743dc82 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/ccbFWLyE.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