lost connection to test machine syzkaller login: qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0xa9000) [ 92.036350][ T808] cfg80211: failed to load regulatory.db [ 107.395921][ T1025] ata1.00: exception Emask 0x0 SAct 0x4000 SErr 0x0 action 0x6 frozen [ 107.395949][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED [ 107.395957][ T1025] ata1.00: cmd 61/48:70:ae:49:04/05:00:00:00:00/40 tag 14 ncq dma 692224 out [ 107.395957][ T1025] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 107.395986][ T1025] ata1.00: status: { DRDY } [ 107.396034][ T1025] ata1: hard resetting link [ 107.717149][ T1025] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 107.719475][ T1025] ata1.00: configured for UDMA/100 [ 107.719679][ T1025] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x9e000) [ 109.889181][ T1025] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 109.889219][ T1025] ata1: failed to read log page 10h (errno=-5) [ 109.889231][ T1025] ata1.00: exception Emask 0x1 SAct 0xc000 SErr 0x0 action 0x0 [ 109.889242][ T1025] ata1.00: irq_stat 0x41000000 [ 109.889253][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED [ 109.889259][ T1025] ata1.00: cmd 61/f0:70:a6:f1:04/04:00:00:00:00/40 tag 14 ncq dma 647168 out [ 109.889259][ T1025] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 109.889287][ T1025] ata1.00: status: { DRDY } [ 109.889296][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED [ 109.889302][ T1025] ata1.00: cmd 61/40:78:96:f6:04/05:00:00:00:00/40 tag 15 ncq dma 688128 out [ 109.889302][ T1025] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 109.889329][ T1025] ata1.00: status: { DRDY } [ 109.891296][ T1025] ata1.00: configured for UDMA/100 [ 109.892454][ T1025] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 110.118269][ T1025] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 110.118287][ T1025] ata1: failed to read log page 10h (errno=-5) [ 110.118296][ T1025] ata1.00: NCQ disabled due to excessive errors [ 110.118303][ T1025] ata1.00: exception Emask 0x1 SAct 0x60 SErr 0x0 action 0x0 [ 110.118313][ T1025] ata1.00: irq_stat 0x41000000 [ 110.118322][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED [ 110.118329][ T1025] ata1.00: cmd 61/00:28:96:36:05/20:00:00:00:00/40 tag 5 ncq dma 4194304 ou [ 110.118329][ T1025] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 110.118355][ T1025] ata1.00: status: { DRDY } [ 110.118365][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED [ 110.118370][ T1025] ata1.00: cmd 61/00:30:96:56:05/20:00:00:00:00/40 tag 6 ncq dma 4194304 ou [ 110.118370][ T1025] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 110.118397][ T1025] ata1.00: status: { DRDY } [ 110.119511][ T1025] ata1.00: configured for UDMA/100 [ 110.120086][ T1025] ata1: EH complete Warning: Permanently added '[localhost]:56106' (ED25519) to the list of known hosts. 2026/10/11 19:13:33 parsed 1 programs [ 117.959711][ T5299] cgroup: Unknown subsys name 'net' [ 118.033765][ T5299] cgroup: Unknown subsys name 'cpuset' [ 118.040720][ T5299] cgroup: Unknown subsys name 'rlimit' [ 119.758902][ T5299] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 126.227787][ T5306] soft_limit_in_bytes is deprecated and will be removed. Writing any value to this file has no effect. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 127.554077][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 127.559815][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 127.560351][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 127.561538][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 127.562111][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 128.984666][ T5332] bridge0: port 1(bridge_slave_0) entered blocking state [ 128.998558][ T5332] bridge0: port 1(bridge_slave_0) entered disabled state [ 128.998709][ T5332] bridge_slave_0: entered allmulticast mode [ 128.999882][ T5332] bridge_slave_0: entered promiscuous mode [ 129.018391][ T5332] bridge0: port 2(bridge_slave_1) entered blocking state [ 129.020291][ T5332] bridge0: port 2(bridge_slave_1) entered disabled state [ 129.020383][ T5332] bridge_slave_1: entered allmulticast mode [ 129.022127][ T5332] bridge_slave_1: entered promiscuous mode [ 129.080357][ T5332] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 129.081787][ T5332] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 129.127288][ T5332] team0: Port device team_slave_0 added [ 129.128818][ T5332] team0: Port device team_slave_1 added [ 129.163694][ T5332] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 129.163708][ T5332] 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. [ 129.163722][ T5332] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 129.165568][ T5332] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 129.165577][ T5332] 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. [ 129.165590][ T5332] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 129.287504][ T5332] hsr_slave_0: entered promiscuous mode [ 129.289270][ T5332] hsr_slave_1: entered promiscuous mode [ 129.663471][ T5332] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 129.689432][ T5332] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 129.691093][ T5332] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 129.710261][ T5332] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 129.712856][ T5332] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 129.738471][ T5332] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 129.739795][ T5332] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 129.743315][ T5332] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 129.812916][ T5332] bridge0: port 2(bridge_slave_1) entered blocking state [ 129.813004][ T5332] bridge0: port 2(bridge_slave_1) entered forwarding state [ 129.813437][ T5332] bridge0: port 1(bridge_slave_0) entered blocking state [ 129.813513][ T5332] bridge0: port 1(bridge_slave_0) entered forwarding state [ 129.861016][ T116] bridge0: port 1(bridge_slave_0) entered disabled state [ 129.862159][ T116] bridge0: port 2(bridge_slave_1) entered disabled state [ 129.954889][ T5332] 8021q: adding VLAN 0 to HW filter on device bond0 [ 129.980388][ T5332] 8021q: adding VLAN 0 to HW filter on device team0 [ 129.991375][ T116] bridge0: port 1(bridge_slave_0) entered blocking state [ 129.991457][ T116] bridge0: port 1(bridge_slave_0) entered forwarding state [ 130.008132][ T116] bridge0: port 2(bridge_slave_1) entered blocking state [ 130.008177][ T116] bridge0: port 2(bridge_slave_1) entered forwarding state [ 130.694972][ T5332] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 130.762279][ T5332] veth0_vlan: entered promiscuous mode [ 130.775053][ T5332] veth1_vlan: entered promiscuous mode [ 130.838636][ T5332] veth0_macvtap: entered promiscuous mode [ 130.850118][ T5332] veth1_macvtap: entered promiscuous mode [ 130.896494][ T5332] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 130.910304][ T5332] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 131.000259][ T190] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 131.000296][ T190] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 131.000315][ T190] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 131.000335][ T190] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 131.320730][ T38] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 132.160417][ T38] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 133.028140][ T38] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 133.477573][ T38] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 133.953493][ T38] bridge_slave_1: left allmulticast mode [ 133.953534][ T38] bridge_slave_1: left promiscuous mode [ 133.955428][ T38] bridge0: port 2(bridge_slave_1) entered disabled state [ 133.985060][ T38] bridge_slave_0: left allmulticast mode [ 133.985082][ T38] bridge_slave_0: left promiscuous mode [ 133.985260][ T38] bridge0: port 1(bridge_slave_0) entered disabled state [ 134.440721][ T38] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 134.445611][ T38] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 134.463512][ T38] bond0 (unregistering): Released all slaves [ 134.594386][ T38] hsr_slave_0: left promiscuous mode [ 134.595032][ T38] hsr_slave_1: left promiscuous mode [ 134.602831][ T38] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 134.602870][ T38] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 134.605382][ T38] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 134.605396][ T38] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 134.649502][ T38] veth1_macvtap: left promiscuous mode [ 134.649563][ T38] veth0_macvtap: left promiscuous mode [ 134.649680][ T38] veth1_vlan: left promiscuous mode [ 134.649767][ T38] veth0_vlan: left promiscuous mode [ 135.088690][ T38] team0 (unregistering): Port device team_slave_1 removed [ 135.115377][ T38] team0 (unregistering): Port device team_slave_0 removed [ 135.232055][ T4988] 8021q: adding VLAN 0 to HW filter on device eth2 [ 135.831579][ T4988] 8021q: adding VLAN 0 to HW filter on device eth3 [ 136.529218][ T38] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 136.529237][ T38] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 136.613651][ T4988] 8021q: adding VLAN 0 to HW filter on device eth4 [ 136.627861][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 136.627878][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 137.714961][ T4988] 8021q: adding VLAN 0 to HW filter on device eth5 [ 138.098362][ T1330] ieee802154 phy0 wpan0: encryption failed: -22 [ 138.098416][ T1330] ieee802154 phy1 wpan1: encryption failed: -22 qemu-system-x86_64: hw/ide/core.c:925: 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-build3356826189=/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 7368264b463 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=7368264b463a401571d2eb381f50ea2a758e9d05 -X github.com/google/syzkaller/prog.gitRevisionDate=20250801-160258" -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=\"7368264b463a401571d2eb381f50ea2a758e9d05\" /usr/bin/ld: /tmp/ccJYkmIR.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