lost connection to test machine syzkaller login: qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x276000) qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 97.279086][ T53] cfg80211: failed to load regulatory.db Warning: Permanently added '[localhost]:4244' (ED25519) to the list of known hosts. 2026/03/18 12:28:41 parsed 1 programs [ 106.004096][ T5318] cgroup: Unknown subsys name 'net' [ 106.054843][ T5318] cgroup: Unknown subsys name 'cpuset' [ 106.063931][ T5318] cgroup: Unknown subsys name 'rlimit' [ 143.343644][ T1314] ieee802154 phy0 wpan0: encryption failed: -22 [ 143.347473][ T1314] ieee802154 phy1 wpan1: encryption failed: -22 [ 156.160790][ T1011] ata1.00: exception Emask 0x0 SAct 0x9000000 SErr 0x0 action 0x6 frozen [ 156.165040][ T1011] ata1.00: failed command: WRITE FPDMA QUEUED [ 156.168093][ T1011] ata1.00: cmd 61/b0:c0:ae:69:04/13:00:00:00:00/40 tag 24 ncq dma 2580480 ou [ 156.168093][ T1011] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 156.177471][ T1011] ata1.00: status: { DRDY } [ 156.179848][ T1011] ata1.00: failed command: WRITE FPDMA QUEUED [ 156.183922][ T1011] ata1.00: cmd 61/00:d8:9e:86:04/20:00:00:00:00/40 tag 27 ncq dma 4194304 ou [ 156.183922][ T1011] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 156.192714][ T1011] ata1.00: status: { DRDY } [ 156.195057][ T1011] ata1: hard resetting link [ 156.514112][ T1011] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 156.519124][ T1011] ata1.00: configured for UDMA/100 [ 156.523113][ T1011] ata1: EH complete [ 158.920333][ T5318] 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 (0xb3000) [ 161.701390][ T1011] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 161.704810][ T1011] ata1: failed to read log page 10h (errno=-5) [ 161.708317][ T1011] ata1.00: NCQ disabled due to excessive errors [ 161.740446][ T1011] ata1.00: exception Emask 0x1 SAct 0x40000001 SErr 0x0 action 0x0 [ 161.750637][ T1011] ata1.00: irq_stat 0x41000000 [ 161.752961][ T1011] ata1.00: failed command: WRITE FPDMA QUEUED [ 161.760457][ T1011] ata1.00: cmd 61/40:00:36:41:0c/05:00:00:00:00/40 tag 0 ncq dma 688128 out [ 161.760457][ T1011] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 161.791173][ T1011] ata1.00: status: { DRDY } [ 161.793507][ T1011] ata1.00: failed command: READ FPDMA QUEUED [ 161.796490][ T1011] ata1.00: cmd 60/98:f0:2e:b5:02/05:00:00:00:00/40 tag 30 ncq dma 733184 in [ 161.796490][ T1011] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 161.831354][ T1011] ata1.00: status: { DRDY } [ 161.842642][ T1011] ata1.00: configured for UDMA/100 [ 161.852405][ T1011] sd 0:0:0:0: [sda] tag#30 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=2s [ 161.857246][ T1011] sd 0:0:0:0: [sda] tag#30 Sense Key : Aborted Command [current] [ 161.890268][ T1011] sd 0:0:0:0: [sda] tag#30 Add. Sense: No additional sense information [ 161.901031][ T1011] sd 0:0:0:0: [sda] tag#30 CDB: Read(10) 28 00 00 02 b5 2e 00 05 98 00 [ 161.905105][ T1011] I/O error, dev sda, sector 177454 op 0x0:(READ) flags 0x80700 phys_seg 12 prio class 2 [ 161.921896][ 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-build3801882055=/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 af30dea9cea0 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=af30dea9cea0f95c6651fb7ce092f68eedfaec48 -X github.com/google/syzkaller/prog.gitRevisionDate=20250722-115908" -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=\"af30dea9cea0f95c6651fb7ce092f68eedfaec48\" /usr/bin/ld: /tmp/ccVR9S6y.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