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) qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x29d000) [ 87.273390][ T1032] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 87.276221][ T1032] ata1: failed to read log page 10h (errno=-5) [ 87.278791][ T1032] ata1.00: exception Emask 0x1 SAct 0x1900 SErr 0x0 action 0x0 [ 87.295118][ T1032] ata1.00: irq_stat 0x40000000 [ 87.300434][ T1032] ata1.00: failed command: WRITE FPDMA QUEUED [ 87.310541][ T1032] ata1.00: cmd 61/00:40:ae:51:04/20:00:00:00:00/40 tag 8 ncq dma 4194304 ou [ 87.310541][ T1032] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 87.320214][ T1032] ata1.00: status: { DRDY } [ 87.330346][ T1032] ata1.00: error: { ABRT } [ 87.332645][ T1032] ata1.00: failed command: WRITE FPDMA QUEUED [ 87.335274][ T1032] ata1.00: cmd 61/e8:58:36:81:04/14:00:00:00:00/40 tag 11 ncq dma 2740224 ou [ 87.335274][ T1032] res 50/04:01:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 87.351363][ T1032] ata1.00: status: { DRDY } [ 87.353453][ T1032] ata1.00: error: { ABRT } [ 87.355385][ T1032] ata1.00: failed command: WRITE FPDMA QUEUED [ 87.358024][ T1032] ata1.00: cmd 61/00:60:1e:96:04/20:00:00:00:00/40 tag 12 ncq dma 4194304 ou [ 87.358024][ T1032] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 87.380347][ T1032] ata1.00: status: { DRDY } [ 87.383915][ T1032] ata1.00: error: { ABRT } [ 87.391854][ T1032] ata1.00: configured for UDMA/100 [ 87.395630][ T1032] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 96.894904][ T9] cfg80211: failed to load regulatory.db [ 118.030450][ T1032] ata1.00: exception Emask 0x0 SAct 0x20 SErr 0x0 action 0x6 frozen [ 118.034090][ T1032] ata1.00: failed command: WRITE FPDMA QUEUED [ 118.036734][ T1032] ata1.00: cmd 61/00:28:1e:96:04/20:00:00:00:00/40 tag 5 ncq dma 4194304 ou [ 118.036734][ T1032] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 118.043887][ T1032] ata1.00: status: { DRDY } [ 118.046548][ T1032] ata1: hard resetting link [ 118.370967][ T1032] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 118.374782][ T1032] ata1.00: configured for UDMA/100 [ 118.377233][ T1032] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x330000) Warning: Permanently added '[localhost]:26199' (ED25519) to the list of known hosts. 2026/06/04 07:00:00 parsed 1 programs [ 123.162105][ T5317] cgroup: Unknown subsys name 'net' [ 123.236242][ T5317] cgroup: Unknown subsys name 'cpuset' [ 123.242154][ T5317] cgroup: Unknown subsys name 'rlimit' [ 142.973250][ T1333] ieee802154 phy0 wpan0: encryption failed: -22 [ 142.976105][ T1333] ieee802154 phy1 wpan1: encryption failed: -22 [ 183.950512][ T1032] ata1.00: NCQ disabled due to excessive errors [ 183.953229][ T1032] ata1.00: exception Emask 0x0 SAct 0x40000000 SErr 0x0 action 0x6 frozen [ 183.956776][ T1032] ata1.00: failed command: WRITE FPDMA QUEUED [ 183.959398][ T1032] ata1.00: cmd 61/80:f0:36:21:05/19:00:00:00:00/40 tag 30 ncq dma 3342336 ou [ 183.959398][ T1032] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 183.966807][ T1032] ata1.00: status: { DRDY } [ 183.969408][ T1032] ata1: hard resetting link [ 184.291225][ T1032] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 184.295666][ T1032] ata1.00: configured for UDMA/100 [ 184.298335][ T1032] ata1: EH complete [ 185.893000][ T5317] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 191.707919][ T5341] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 191.825642][ T85] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 191.841888][ T85] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 192.543287][ T24] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 192.575007][ T24] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 194.256089][ T44] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 194.268249][ T44] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 194.274481][ T44] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 194.280759][ T44] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 194.295157][ T44] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 195.181303][ T5344] syz-executor (5344) used greatest stack depth: 17568 bytes left [ 196.331175][ T44] Bluetooth: hci0: command tx timeout 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-build1249838091=/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 2afad16efd9e 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=2afad16efd9ec2029fe61dcd74d9d5154dce0f2e -X 'github.com/google/syzkaller/prog.gitRevisionDate=20250212-164902'" -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=\"2afad16efd9ec2029fe61dcd74d9d5154dce0f2e\" /usr/bin/ld: /tmp/cckGzdsq.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