lost connection to test machine qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0xa8000) [ 71.284159][ T1029] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 71.287162][ T1029] ata1: failed to read log page 10h (errno=-5) [ 71.289974][ T1029] ata1.00: exception Emask 0x1 SAct 0xe000 SErr 0x0 action 0x0 [ 71.302987][ T1029] ata1.00: irq_stat 0x41000008 [ 71.305232][ T1029] ata1.00: failed command: WRITE FPDMA QUEUED [ 71.308179][ T1029] ata1.00: cmd 61/c0:68:ee:46:04/02:00:00:00:00/40 tag 13 ncq dma 360448 out [ 71.308179][ T1029] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 71.337095][ T1029] ata1.00: status: { DRDY } [ 71.353807][ T1029] ata1.00: error: { ABRT } [ 71.362500][ T1029] ata1.00: failed command: WRITE FPDMA QUEUED [ 71.370463][ T1029] ata1.00: cmd 61/40:70:ae:49:04/05:00:00:00:00/40 tag 14 ncq dma 688128 out [ 71.370463][ T1029] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 71.389864][ T1029] ata1.00: status: { DRDY } [ 71.392458][ T1029] ata1.00: error: { ABRT } [ 71.398858][ T1029] ata1.00: failed command: WRITE FPDMA QUEUED [ 71.405655][ T1029] ata1.00: cmd 61/c0:78:ee:4e:04/02:00:00:00:00/40 tag 15 ncq dma 360448 out [ 71.405655][ T1029] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 71.423296][ T1029] ata1.00: status: { DRDY } [ 71.429251][ T1029] ata1.00: error: { ABRT } [ 71.436035][ T1029] ata1.00: configured for UDMA/100 [ 71.444599][ T1029] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x2b7000) [ 72.496099][ T1029] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 72.510236][ T1029] ata1: failed to read log page 10h (errno=-5) [ 72.523909][ T1029] ata1.00: exception Emask 0x1 SAct 0x40000001 SErr 0x0 action 0x0 [ 72.538399][ T1029] ata1.00: irq_stat 0x41000000 [ 72.546081][ T1029] ata1.00: failed command: WRITE FPDMA QUEUED [ 72.552706][ T1029] ata1.00: cmd 61/48:00:ee:36:05/0a:00:00:00:00/40 tag 0 ncq dma 1347584 ou [ 72.552706][ T1029] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 72.571544][ T1029] ata1.00: status: { DRDY } [ 72.574050][ T1029] ata1.00: failed command: WRITE FPDMA QUEUED [ 72.587851][ T1029] ata1.00: cmd 61/b8:f0:36:21:05/15:00:00:00:00/40 tag 30 ncq dma 2846720 ou [ 72.587851][ T1029] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 72.612522][ T1029] ata1.00: status: { DRDY } [ 72.622288][ T1029] ata1.00: configured for UDMA/100 [ 72.626214][ T1029] ata1: EH complete Warning: Permanently added '[localhost]:58226' (ED25519) to the list of known hosts. 2026/06/18 01:59:57 parsed 1 programs [ 79.499368][ T5290] cgroup: Unknown subsys name 'net' [ 79.564246][ T5290] cgroup: Unknown subsys name 'cpuset' [ 79.569083][ T5290] cgroup: Unknown subsys name 'rlimit' [ 80.879943][ T5290] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 81.959136][ T1332] ieee802154 phy0 wpan0: encryption failed: -22 [ 81.962682][ T1332] ieee802154 phy1 wpan1: encryption failed: -22 [ 84.317397][ T5311] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 84.324152][ T5311] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 84.328807][ T5311] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 84.333195][ T5311] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 84.337645][ T5311] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 84.969413][ T5306] 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. [ 85.088564][ T1170] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 85.116346][ T1170] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 85.193017][ T1170] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 85.215563][ T1170] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 92.196766][ T803] cfg80211: failed to load regulatory.db [ 105.847997][ T5344] bridge0: port 1(bridge_slave_0) entered blocking state [ 105.856531][ T5344] bridge0: port 1(bridge_slave_0) entered disabled state [ 105.866259][ T5344] bridge_slave_0: entered allmulticast mode [ 105.877656][ T5344] bridge_slave_0: entered promiscuous mode [ 105.888072][ T5344] bridge0: port 2(bridge_slave_1) entered blocking state [ 105.901900][ T5344] bridge0: port 2(bridge_slave_1) entered disabled state [ 105.905304][ T5344] bridge_slave_1: entered allmulticast mode [ 105.908832][ T5344] bridge_slave_1: entered promiscuous mode [ 107.207999][ T5344] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 107.386256][ T5344] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 108.556724][ T5344] team0: Port device team_slave_0 added [ 108.567754][ T5344] team0: Port device team_slave_1 added [ 108.617480][ T5344] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 108.631671][ T5344] 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. [ 108.657178][ T5344] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 108.672332][ T5344] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 108.681851][ T5344] 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. [ 108.711420][ T5344] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 109.921684][ T5344] hsr_slave_0: entered promiscuous mode [ 109.932753][ T5344] hsr_slave_1: entered promiscuous mode [ 110.375864][ T5344] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 110.399203][ T5344] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 110.411646][ T5344] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 110.441773][ T5344] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 110.468655][ T5344] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 110.484656][ T5344] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 110.497483][ T5344] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 110.524512][ T5344] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 110.781722][ T5344] 8021q: adding VLAN 0 to HW filter on device bond0 [ 110.834407][ T5344] 8021q: adding VLAN 0 to HW filter on device team0 [ 110.855349][ T85] bridge0: port 1(bridge_slave_0) entered blocking state [ 110.858435][ T85] bridge0: port 1(bridge_slave_0) entered forwarding state [ 110.888841][ T85] bridge0: port 2(bridge_slave_1) entered blocking state [ 110.892005][ T85] bridge0: port 2(bridge_slave_1) entered forwarding state [ 111.465918][ T5344] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 111.892749][ T5344] veth0_vlan: entered promiscuous mode [ 111.914317][ T5344] veth1_vlan: entered promiscuous mode [ 111.996242][ T5344] veth0_macvtap: entered promiscuous mode [ 112.014130][ T5344] veth1_macvtap: entered promiscuous mode [ 112.069260][ T5344] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 112.103477][ T5344] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 112.133585][ T41] netdevsim netdevsim5 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 112.146102][ T41] netdevsim netdevsim5 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 112.171195][ T41] netdevsim netdevsim5 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 112.183213][ T41] netdevsim netdevsim5 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x26b000) [ 112.302608][ T1029] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 112.305576][ T1029] ata1: failed to read log page 10h (errno=-5) [ 112.308194][ T1029] ata1.00: NCQ disabled due to excessive errors [ 112.329412][ T1029] ata1.00: exception Emask 0x1 SAct 0x4000 SErr 0x0 action 0x0 [ 112.350216][ T1029] ata1.00: irq_stat 0x41000008 [ 112.363276][ T1029] ata1.00: failed command: READ FPDMA QUEUED [ 112.376159][ T1029] ata1.00: cmd 60/58:70:fe:58:04/13:00:00:00:00/40 tag 14 ncq dma 2535424 in [ 112.376159][ T1029] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 112.403272][ T1029] ata1.00: status: { DRDY } [ 112.409863][ T1029] ata1.00: error: { ABRT } [ 112.420964][ T1029] ata1.00: configured for UDMA/100 [ 112.430246][ T1029] sd 0:0:0:0: [sda] tag#14 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s [ 112.449186][ T1029] sd 0:0:0:0: [sda] tag#14 Sense Key : Aborted Command [current] [ 112.453153][ T1029] sd 0:0:0:0: [sda] tag#14 Add. Sense: No additional sense information [ 112.457925][ T1029] sd 0:0:0:0: [sda] tag#14 CDB: Read(10) 28 00 00 04 58 fe 00 13 58 00 [ 112.472253][ T1029] I/O error, dev sda, sector 284926 op 0x0:(READ) flags 0x80700 phys_seg 96 prio class 2 [ 112.481464][ T1029] 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-build2065661997=/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 350f4ffc2119 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=350f4ffc211908fed1507b105460d0ce8400ea65 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20250506-141626'" -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=\"350f4ffc211908fed1507b105460d0ce8400ea65\" /usr/bin/ld: /tmp/cc8nG1x1.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