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) [ 119.691938][ T1011] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 119.694853][ T1011] ata1: failed to read log page 10h (errno=-5) [ 119.697353][ T1011] ata1.00: NCQ disabled due to excessive errors [ 119.710598][ T1011] ata1.00: exception Emask 0x1 SAct 0x1800 SErr 0x0 action 0x0 [ 119.714194][ T1011] ata1.00: irq_stat 0x41000000 [ 119.716708][ T1011] ata1.00: failed command: WRITE FPDMA QUEUED [ 119.733670][ T1011] ata1.00: cmd 61/00:58:36:a1:04/20:00:00:00:00/40 tag 11 ncq dma 4194304 ou [ 119.733670][ T1011] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 119.753730][ T1011] ata1.00: status: { DRDY } [ 119.755886][ T1011] ata1.00: failed command: WRITE FPDMA QUEUED [ 119.758986][ T1011] ata1.00: cmd 61/00:60:36:c1:04/20:00:00:00:00/40 tag 12 ncq dma 4194304 ou [ 119.758986][ T1011] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 119.788096][ T1011] ata1.00: status: { DRDY } [ 119.794700][ T1011] ata1.00: configured for UDMA/100 [ 119.802638][ T1011] ata1: EH complete Warning: Permanently added '[localhost]:7445' (ED25519) to the list of known hosts. 2026/03/28 04:17:41 parsed 1 programs [ 129.681688][ T5314] cgroup: Unknown subsys name 'net' [ 129.754794][ T5314] cgroup: Unknown subsys name 'cpuset' [ 129.762997][ T5314] cgroup: Unknown subsys name 'rlimit' [ 131.876354][ T5314] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 137.887036][ T5335] 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. [ 138.236903][ T70] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 138.305100][ T70] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 138.571393][ T1142] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 138.609273][ T1142] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 143.323969][ T1316] ieee802154 phy0 wpan0: encryption failed: -22 [ 143.326965][ T1316] ieee802154 phy1 wpan1: encryption failed: -22 [ 145.476332][ T45] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 145.481183][ T45] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 145.485355][ T45] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 145.489765][ T45] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 145.493679][ T45] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 146.591731][ T5350] chnl_net:caif_netlink_parms(): no params data found [ 147.560969][ T45] Bluetooth: hci0: command tx timeout [ 147.805423][ T5350] bridge0: port 1(bridge_slave_0) entered blocking state [ 147.829839][ T5350] bridge0: port 1(bridge_slave_0) entered disabled state [ 147.833457][ T5350] bridge_slave_0: entered allmulticast mode [ 147.855507][ T5350] bridge_slave_0: entered promiscuous mode [ 147.873304][ T5350] bridge0: port 2(bridge_slave_1) entered blocking state [ 147.876741][ T5350] bridge0: port 2(bridge_slave_1) entered disabled state [ 147.900421][ T5350] bridge_slave_1: entered allmulticast mode [ 147.915759][ T5350] bridge_slave_1: entered promiscuous mode [ 148.011704][ T5350] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 148.050305][ T5350] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 148.154795][ T5350] team0: Port device team_slave_0 added [ 148.175641][ T5350] team0: Port device team_slave_1 added [ 148.259841][ T5350] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 148.267568][ T5350] 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. [ 148.309045][ T5350] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 148.587342][ T5350] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 148.591454][ T5350] 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. [ 148.647517][ T5350] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 149.155038][ T5350] hsr_slave_0: entered promiscuous mode [ 149.191324][ T5350] 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-build3197715850=/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 03fcfc4b7385 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=03fcfc4b7385b545a89a3fc62bef4e1ec7532e0d -X github.com/google/syzkaller/prog.gitRevisionDate=20250714-113046" -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=\"03fcfc4b7385b545a89a3fc62bef4e1ec7532e0d\" /usr/bin/ld: /tmp/ccHQIOff.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