lost connection to test machine Warning: Permanently added '[localhost]:61328' (ED25519) to the list of known hosts. syzkaller login: [ 92.074516][ T936] cfg80211: failed to load regulatory.db qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x1a6000) [ 92.464547][ T1027] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 92.471699][ T1027] ata1: failed to read log page 10h (errno=-5) [ 92.496571][ T1027] ata1.00: exception Emask 0x1 SAct 0x1800 SErr 0x0 action 0x0 [ 92.496593][ T1027] ata1.00: irq_stat 0x41000000 [ 92.496606][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 92.496612][ T1027] ata1.00: cmd 61/30:58:7e:4d:05/0d:00:00:00:00/40 tag 11 ncq dma 1728512 ou [ 92.496612][ T1027] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 92.512708][ T1027] ata1.00: status: { DRDY } [ 92.512726][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 92.512733][ T1027] ata1.00: cmd 61/80:60:ae:5a:05/05:00:00:00:00/40 tag 12 ncq dma 720896 out [ 92.512733][ T1027] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 92.512762][ T1027] ata1.00: status: { DRDY } [ 92.514805][ T1027] ata1.00: configured for UDMA/100 [ 92.516138][ T1027] ata1: EH complete 2026/10/14 04:37:43 parsed 1 programs [ 96.328748][ T5289] cgroup: Unknown subsys name 'net' [ 96.401150][ T5289] cgroup: Unknown subsys name 'cpuset' [ 96.404310][ T5289] cgroup: Unknown subsys name 'rlimit' [ 98.110965][ T5289] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0xe1000) [ 100.298050][ T1027] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 100.298191][ T1027] ata1: failed to read log page 10h (errno=-5) [ 100.298215][ T1027] ata1.00: exception Emask 0x1 SAct 0xc000 SErr 0x0 action 0x0 [ 100.298226][ T1027] ata1.00: irq_stat 0x41000000 [ 100.298236][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 100.298243][ T1027] ata1.00: cmd 61/08:70:36:9b:05/07:00:00:00:00/40 tag 14 ncq dma 921600 out [ 100.298243][ T1027] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 100.298271][ T1027] ata1.00: status: { DRDY } [ 100.298280][ T1027] ata1.00: failed command: WRITE FPDMA QUEUED [ 100.298286][ T1027] ata1.00: cmd 61/00:78:3e:a2:05/20:00:00:00:00/40 tag 15 ncq dma 4194304 ou [ 100.298286][ T1027] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 100.298314][ T1027] ata1.00: status: { DRDY } [ 100.299299][ T1027] ata1.00: configured for UDMA/100 [ 100.302959][ T1027] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x16d000) [ 101.038182][ T1027] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 101.038200][ T1027] ata1: failed to read log page 10h (errno=-5) [ 101.038210][ T1027] ata1.00: NCQ disabled due to excessive errors [ 101.038218][ T1027] ata1.00: exception Emask 0x1 SAct 0x40000000 SErr 0x0 action 0x0 [ 101.038229][ T1027] ata1.00: irq_stat 0x41000008 [ 101.038240][ T1027] ata1.00: failed command: READ FPDMA QUEUED [ 101.038247][ T1027] ata1.00: cmd 60/68:f0:ce:37:05/0b:00:00:00:00/40 tag 30 ncq dma 1495040 in [ 101.038247][ T1027] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 101.038276][ T1027] ata1.00: status: { DRDY } [ 101.038283][ T1027] ata1.00: error: { ABRT } [ 101.071035][ T1027] ata1.00: configured for UDMA/100 [ 101.072983][ T1027] sd 0:0:0:0: [sda] tag#30 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s [ 101.073029][ T1027] sd 0:0:0:0: [sda] tag#30 Sense Key : Aborted Command [current] [ 101.073052][ T1027] sd 0:0:0:0: [sda] tag#30 Add. Sense: No additional sense information [ 101.073077][ T1027] sd 0:0:0:0: [sda] tag#30 CDB: Read(10) 28 00 00 05 37 ce 00 0b 68 00 [ 101.073093][ T1027] I/O error, dev sda, sector 341966 op 0x0:(READ) flags 0x80700 phys_seg 24 prio class 2 [ 101.074036][ T1027] ata1: EH complete [ 104.749919][ T5304] 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. [ 105.246078][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 105.252391][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 105.252813][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 105.254184][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 105.255225][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 110.348857][ T64] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 110.348877][ T64] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 110.400383][ T1057] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 110.400397][ T1057] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 113.352216][ T5370] bridge0: port 1(bridge_slave_0) entered blocking state [ 113.353205][ T5370] bridge0: port 1(bridge_slave_0) entered disabled state [ 113.353359][ T5370] bridge_slave_0: entered allmulticast mode [ 113.355082][ T5370] bridge_slave_0: entered promiscuous mode [ 113.375051][ T5370] bridge0: port 2(bridge_slave_1) entered blocking state [ 113.375169][ T5370] bridge0: port 2(bridge_slave_1) entered disabled state [ 113.375270][ T5370] bridge_slave_1: entered allmulticast mode [ 113.386120][ T5370] bridge_slave_1: entered promiscuous mode [ 113.423976][ T5370] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 113.440767][ T5370] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 113.473756][ T5370] team0: Port device team_slave_0 added [ 113.480075][ T5370] team0: Port device team_slave_1 added [ 113.503108][ T5370] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 113.503121][ T5370] 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. [ 113.503136][ T5370] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 113.505823][ T5370] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 113.505835][ T5370] 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. [ 113.505847][ T5370] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 113.589910][ T5370] hsr_slave_0: entered promiscuous mode [ 113.592014][ T5370] hsr_slave_1: entered promiscuous mode [ 113.807095][ T5370] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 113.821293][ T5370] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 113.824054][ T5370] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 113.836225][ T5370] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 113.843012][ T5370] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 113.867239][ T5370] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 113.867974][ T5370] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 113.872682][ T5370] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 113.999644][ T5370] 8021q: adding VLAN 0 to HW filter on device bond0 [ 114.024105][ T5370] 8021q: adding VLAN 0 to HW filter on device team0 [ 114.038155][ T220] bridge0: port 1(bridge_slave_0) entered blocking state [ 114.038573][ T220] bridge0: port 1(bridge_slave_0) entered forwarding state [ 114.060749][ T220] bridge0: port 2(bridge_slave_1) entered blocking state [ 114.060836][ T220] bridge0: port 2(bridge_slave_1) entered forwarding state [ 114.486256][ T5370] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 114.543177][ T5370] veth0_vlan: entered promiscuous mode [ 114.561515][ T5370] veth1_vlan: entered promiscuous mode [ 114.592447][ T5370] veth0_macvtap: entered promiscuous mode [ 114.596528][ T5370] veth1_macvtap: entered promiscuous mode [ 114.618274][ T5370] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 114.625877][ T5370] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 114.718845][ T1057] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 114.719725][ T13] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 114.734794][ T1057] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 114.735190][ T1057] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 115.020344][ T220] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 115.109191][ T220] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 115.170781][ T220] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 115.240627][ T220] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 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-build2406809361=/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 51b137cd3bc 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=51b137cd3bce734cd1dd99bf6840273596278bda -X 'github.com/google/syzkaller/prog.gitRevisionDate=20250501-114445'" -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=\"51b137cd3bce734cd1dd99bf6840273596278bda\" /usr/bin/ld: /tmp/ccOUC95e.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