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) Warning: Permanently added '[localhost]:6199' (ED25519) to the list of known hosts. [ 102.262511][ T10] cfg80211: failed to load regulatory.db 2026/07/10 06:45:37 parsed 1 programs 2026/07/10 06:45:37 serving rpc on tcp://36269 [ 106.838115][ T5293] cgroup: Unknown subsys name 'net' [ 106.909968][ T5293] cgroup: Unknown subsys name 'cpuset' [ 106.918053][ T5293] cgroup: Unknown subsys name 'rlimit' [ 148.337244][ T1331] ieee802154 phy0 wpan0: encryption failed: -22 [ 148.342507][ T1331] ieee802154 phy1 wpan1: encryption failed: -22 [ 165.632557][ T1030] ata1.00: exception Emask 0x0 SAct 0x200000 SErr 0x0 action 0x6 frozen [ 165.636448][ T1030] ata1.00: failed command: WRITE FPDMA QUEUED [ 165.639438][ T1030] ata1.00: cmd 61/00:a8:36:01:05/20:00:00:00:00/40 tag 21 ncq dma 4194304 ou [ 165.639438][ T1030] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 165.647695][ T1030] ata1.00: status: { DRDY } [ 165.650277][ T1030] ata1: hard resetting link [ 165.974455][ T1030] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 165.980405][ T1030] ata1.00: configured for UDMA/100 [ 165.983273][ T1030] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x23e000) [ 166.025303][ T1030] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 166.043229][ T1030] ata1: failed to read log page 10h (errno=-5) [ 166.048292][ T1030] ata1.00: exception Emask 0x1 SAct 0xf500 SErr 0x0 action 0x0 [ 166.052032][ T1030] ata1.00: irq_stat 0x40000000 [ 166.060782][ T1030] ata1.00: failed command: WRITE FPDMA QUEUED [ 166.066406][ T1030] ata1.00: cmd 61/c0:40:0e:8f:05/02:00:00:00:00/40 tag 8 ncq dma 360448 out [ 166.066406][ T1030] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 166.077473][ T1030] ata1.00: status: { DRDY } [ 166.079975][ T1030] ata1.00: failed command: WRITE FPDMA QUEUED [ 166.083972][ T1030] ata1.00: cmd 61/68:50:6e:a3:05/01:00:00:00:00/40 tag 10 ncq dma 184320 out [ 166.083972][ T1030] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 166.091256][ T1030] ata1.00: status: { DRDY } [ 166.093828][ T1030] ata1.00: failed command: WRITE FPDMA QUEUED [ 166.097000][ T1030] ata1.00: cmd 61/e0:60:a6:46:0c/02:00:00:00:00/40 tag 12 ncq dma 376832 out [ 166.097000][ T1030] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 166.106322][ T1030] ata1.00: status: { DRDY } [ 166.108442][ T1030] ata1.00: failed command: WRITE FPDMA QUEUED [ 166.111024][ T1030] ata1.00: cmd 61/c0:68:86:49:0c/05:00:00:00:00/40 tag 13 ncq dma 753664 out [ 166.111024][ T1030] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 166.119942][ T1030] ata1.00: status: { DRDY } [ 166.122795][ T1030] ata1.00: failed command: WRITE FPDMA QUEUED [ 166.126235][ T1030] ata1.00: cmd 61/f0:70:46:4f:0c/11:00:00:00:00/40 tag 14 ncq dma 2351104 ou [ 166.126235][ T1030] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 166.136223][ T1030] ata1.00: status: { DRDY } [ 166.139044][ T1030] ata1.00: failed command: WRITE FPDMA QUEUED [ 166.141781][ T1030] ata1.00: cmd 61/08:78:36:01:00/00:00:00:00:00/40 tag 15 ncq dma 4096 out [ 166.141781][ T1030] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 166.149417][ T1030] ata1.00: status: { DRDY } [ 166.154100][ T1030] ata1.00: configured for UDMA/100 [ 166.157144][ T1030] ata1: EH complete Setting up swapspace version 1, size = 127995904 bytes [ 168.804790][ T5293] 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 (0x87000) [ 170.043468][ T1030] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 170.052348][ T1030] ata1: failed to read log page 10h (errno=-5) [ 170.055145][ T1030] ata1.00: NCQ disabled due to excessive errors [ 170.062691][ T1030] ata1.00: exception Emask 0x1 SAct 0xc000 SErr 0x0 action 0x0 [ 170.070082][ T1030] ata1.00: irq_stat 0x41000000 [ 170.078695][ T1030] ata1.00: failed command: READ FPDMA QUEUED [ 170.089315][ T1030] ata1.00: cmd 60/38:70:fe:c4:04/04:00:00:00:00/40 tag 14 ncq dma 552960 in [ 170.089315][ T1030] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 170.112250][ T1030] ata1.00: status: { DRDY } [ 170.114662][ T1030] ata1.00: error: { ABRT } [ 170.116868][ T1030] ata1.00: failed command: READ FPDMA QUEUED [ 170.119739][ T1030] ata1.00: cmd 60/b8:78:b6:c9:04/03:00:00:00:00/40 tag 15 ncq dma 487424 in [ 170.119739][ T1030] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 170.139167][ T1030] ata1.00: status: { DRDY } [ 170.143322][ T1030] ata1.00: error: { ABRT } [ 170.150917][ T1030] ata1.00: configured for UDMA/100 [ 170.160212][ T1030] sd 0:0:0:0: [sda] tag#14 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s [ 170.169873][ T1030] sd 0:0:0:0: [sda] tag#14 Sense Key : Aborted Command [current] [ 170.176219][ T1030] sd 0:0:0:0: [sda] tag#14 Add. Sense: No additional sense information [ 170.190808][ T1030] sd 0:0:0:0: [sda] tag#14 CDB: Read(10) 28 00 00 04 c4 fe 00 04 38 00 [ 170.195223][ T1030] I/O error, dev sda, sector 312574 op 0x0:(READ) flags 0x80700 phys_seg 9 prio class 2 [ 170.203044][ T1030] sd 0:0:0:0: [sda] tag#15 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s [ 170.213224][ T1030] sd 0:0:0:0: [sda] tag#15 Sense Key : Aborted Command [current] [ 170.220419][ T1030] sd 0:0:0:0: [sda] tag#15 Add. Sense: No additional sense information [ 170.225574][ T1030] sd 0:0:0:0: [sda] tag#15 CDB: Read(10) 28 00 00 04 c9 b6 00 03 b8 00 [ 170.229265][ T1030] I/O error, dev sda, sector 313782 op 0x0:(READ) flags 0x80700 phys_seg 8 prio class 2 [ 170.236253][ 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-build1416800989=/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 7ff32d8bb9 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=7ff32d8bb9773a5f02d3db4c8207fc9251ebedc5 -X github.com/google/syzkaller/prog.gitRevisionDate=20260625-114557" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=7ff32d8bb9773a5f02d3db4c8207fc9251ebedc5 -X github.com/google/syzkaller/prog.gitRevisionDate=20260625-114557" ./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=7ff32d8bb9773a5f02d3db4c8207fc9251ebedc5 -X github.com/google/syzkaller/prog.gitRevisionDate=20260625-114557" -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=\"7ff32d8bb9773a5f02d3db4c8207fc9251ebedc5\" /usr/bin/ld: /tmp/ccpF3fpt.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