lost connection to test machine syzkaller login: qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0xbb000) [ 97.063408][ T10] cfg80211: failed to load regulatory.db [ 120.753993][ T1026] ata1.00: exception Emask 0x0 SAct 0x4000 SErr 0x0 action 0x6 frozen [ 120.757794][ T1026] ata1.00: failed command: WRITE FPDMA QUEUED [ 120.760535][ T1026] ata1.00: cmd 61/d8:70:ae:49:04/05:00:00:00:00/40 tag 14 ncq dma 765952 out [ 120.760535][ T1026] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 120.768924][ T1026] ata1.00: status: { DRDY } [ 120.771103][ T1026] ata1: hard resetting link [ 121.097827][ T1026] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 121.102160][ T1026] ata1.00: configured for UDMA/100 [ 121.105143][ T1026] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x171000) [ 121.146753][ T1026] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 121.153223][ T1026] ata1: failed to read log page 10h (errno=-5) [ 121.162323][ T1026] ata1.00: exception Emask 0x1 SAct 0x8000040 SErr 0x0 action 0x0 [ 121.167683][ T1026] ata1.00: irq_stat 0x41000000 [ 121.172968][ T1026] ata1.00: failed command: WRITE FPDMA QUEUED [ 121.183122][ T1026] ata1.00: cmd 61/80:30:b6:d9:04/07:00:00:00:00/40 tag 6 ncq dma 983040 out [ 121.183122][ T1026] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 121.202584][ T1026] ata1.00: status: { DRDY } [ 121.206474][ T1026] ata1.00: failed command: WRITE FPDMA QUEUED [ 121.212328][ T1026] ata1.00: cmd 61/88:d8:2e:ce:04/0b:00:00:00:00/40 tag 27 ncq dma 1511424 ou [ 121.212328][ T1026] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 121.230985][ T1026] ata1.00: status: { DRDY } [ 121.236841][ T1026] ata1.00: configured for UDMA/100 [ 121.244819][ T1026] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x12d000) [ 124.324871][ T1026] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 124.328085][ T1026] ata1: failed to read log page 10h (errno=-5) [ 124.330890][ T1026] ata1.00: NCQ disabled due to excessive errors [ 124.346018][ T1026] ata1.00: exception Emask 0x1 SAct 0x40000001 SErr 0x0 action 0x0 [ 124.354175][ T1026] ata1.00: irq_stat 0x41000000 [ 124.358229][ T1026] ata1.00: failed command: WRITE FPDMA QUEUED [ 124.372222][ T1026] ata1.00: cmd 61/b8:00:36:01:05/0e:00:00:00:00/40 tag 0 ncq dma 1929216 ou [ 124.372222][ T1026] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 124.404859][ T1026] ata1.00: status: { DRDY } [ 124.417340][ T1026] ata1.00: failed command: WRITE FPDMA QUEUED [ 124.426064][ T1026] ata1.00: cmd 61/68:f0:ce:f7:04/09:00:00:00:00/40 tag 30 ncq dma 1232896 ou [ 124.426064][ T1026] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 124.452523][ T1026] ata1.00: status: { DRDY } [ 124.466646][ T1026] ata1.00: configured for UDMA/100 [ 124.475556][ T1026] ata1: EH complete Warning: Permanently added '[localhost]:56495' (ED25519) to the list of known hosts. 2026/05/05 04:37:41 parsed 1 programs [ 129.941642][ T5310] cgroup: Unknown subsys name 'net' [ 130.020188][ T5310] cgroup: Unknown subsys name 'cpuset' [ 130.027846][ T5310] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 131.724264][ T5310] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 136.877812][ T5321] 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. [ 137.244474][ T44] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 137.249652][ T44] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 137.255433][ T44] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 137.260677][ T44] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 137.267922][ T44] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 137.996349][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 137.999811][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 138.055608][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 138.060714][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 143.138662][ T1330] ieee802154 phy0 wpan0: encryption failed: -22 [ 143.141454][ T1330] ieee802154 phy1 wpan1: encryption failed: -22 [ 143.176871][ T5385] bridge0: port 1(bridge_slave_0) entered blocking state [ 143.180979][ T5385] bridge0: port 1(bridge_slave_0) entered disabled state [ 143.184354][ T5385] bridge_slave_0: entered allmulticast mode [ 143.188181][ T5385] bridge_slave_0: entered promiscuous mode [ 143.196126][ T5385] bridge0: port 2(bridge_slave_1) entered blocking state [ 143.199255][ T5385] bridge0: port 2(bridge_slave_1) entered disabled state [ 143.202554][ T5385] bridge_slave_1: entered allmulticast mode [ 143.207504][ T5385] bridge_slave_1: entered promiscuous mode [ 143.243150][ T5385] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 143.250169][ T5385] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 143.280039][ T5385] team0: Port device team_slave_0 added [ 143.285058][ T5385] team0: Port device team_slave_1 added [ 143.309055][ T5385] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 143.312274][ T5385] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 143.323425][ T5385] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 143.331125][ T5385] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 143.334741][ T5385] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 143.348112][ T5385] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 143.397476][ T5385] hsr_slave_0: entered promiscuous mode [ 143.400925][ T5385] hsr_slave_1: entered promiscuous mode 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-build4195447745=/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 df949cd92b8e 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=df949cd92b8e324cf57a033d3166077e6ab2ca79 -X github.com/google/syzkaller/prog.gitRevisionDate=20260209-094336" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=df949cd92b8e324cf57a033d3166077e6ab2ca79 -X github.com/google/syzkaller/prog.gitRevisionDate=20260209-094336" ./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=df949cd92b8e324cf57a033d3166077e6ab2ca79 -X github.com/google/syzkaller/prog.gitRevisionDate=20260209-094336" -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=\"df949cd92b8e324cf57a033d3166077e6ab2ca79\" /usr/bin/ld: /tmp/cc1LqtnY.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