lost connection to test machine syzkaller login: [ 102.369313][ T795] cfg80211: failed to load regulatory.db qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x2ea000) qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0xa8000) [ 102.988773][ T1017] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 102.992125][ T1017] ata1: failed to read log page 10h (errno=-5) [ 103.002165][ T1017] ata1.00: exception Emask 0x1 SAct 0xc100 SErr 0x0 action 0x0 [ 103.018021][ T1017] ata1.00: irq_stat 0x40000000 [ 103.020842][ T1017] ata1.00: failed command: WRITE FPDMA QUEUED [ 103.027263][ T1017] ata1.00: cmd 61/50:40:66:67:04/17:00:00:00:00/40 tag 8 ncq dma 3055616 ou [ 103.027263][ T1017] res 50/04:01:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 103.044184][ T1017] ata1.00: status: { DRDY } [ 103.051816][ T1017] ata1.00: error: { ABRT } [ 103.059603][ T1017] ata1.00: failed command: WRITE FPDMA QUEUED [ 103.065962][ T1017] ata1.00: cmd 61/40:70:36:91:04/05:00:00:00:00/40 tag 14 ncq dma 688128 out [ 103.065962][ T1017] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 103.090191][ T1017] ata1.00: status: { DRDY } [ 103.095974][ T1017] ata1.00: error: { ABRT } [ 103.099311][ T1017] ata1.00: failed command: WRITE FPDMA QUEUED [ 103.110290][ T1017] ata1.00: cmd 61/c0:78:76:96:04/02:00:00:00:00/40 tag 15 ncq dma 360448 out [ 103.110290][ T1017] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 103.127758][ T1017] ata1.00: status: { DRDY } [ 103.138714][ T1017] ata1.00: error: { ABRT } [ 103.143144][ T1017] ata1.00: configured for UDMA/100 [ 103.152792][ T1017] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 107.304797][ T1017] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 107.308706][ T1017] ata1: failed to read log page 10h (errno=-5) [ 107.313045][ T1017] ata1.00: exception Emask 0x1 SAct 0x3000000 SErr 0x0 action 0x0 [ 107.323634][ T1017] ata1.00: irq_stat 0x41000000 [ 107.333690][ T1017] ata1.00: failed command: WRITE FPDMA QUEUED [ 107.338873][ T1017] ata1.00: cmd 61/00:c0:36:21:05/20:00:00:00:00/40 tag 24 ncq dma 4194304 ou [ 107.338873][ T1017] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 107.354264][ T1017] ata1.00: status: { DRDY } [ 107.363592][ T1017] ata1.00: failed command: WRITE FPDMA QUEUED [ 107.367478][ T1017] ata1.00: cmd 61/00:c8:36:41:05/20:00:00:00:00/40 tag 25 ncq dma 4194304 ou [ 107.367478][ T1017] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 107.393646][ T1017] ata1.00: status: { DRDY } [ 107.397824][ T1017] ata1.00: configured for UDMA/100 [ 107.400678][ T1017] ata1: EH complete Warning: Permanently added '[localhost]:63040' (ED25519) to the list of known hosts. 2026/04/16 23:30:34 parsed 1 programs [ 113.957749][ T5319] cgroup: Unknown subsys name 'net' [ 114.009051][ T5319] cgroup: Unknown subsys name 'cpuset' [ 114.018201][ T5319] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 116.116771][ T5319] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 122.811492][ T5342] 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. [ 123.631620][ T44] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 123.647808][ T44] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 123.655881][ T44] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 123.670474][ T44] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 123.683218][ T44] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 125.804788][ T4674] Bluetooth: hci0: command tx timeout [ 127.884421][ T4674] Bluetooth: hci0: command tx timeout [ 129.964008][ T4674] Bluetooth: hci0: command tx timeout [ 132.045239][ T4674] Bluetooth: hci0: command tx timeout [ 136.499799][ T5363] chnl_net:caif_netlink_parms(): no params data found [ 143.817595][ T5363] bridge0: port 1(bridge_slave_0) entered blocking state [ 143.838915][ T5363] bridge0: port 1(bridge_slave_0) entered disabled state [ 143.856577][ T5363] bridge_slave_0: entered allmulticast mode [ 143.879824][ T5363] bridge_slave_0: entered promiscuous mode [ 143.927988][ T5363] bridge0: port 2(bridge_slave_1) entered blocking state [ 143.941291][ T5363] bridge0: port 2(bridge_slave_1) entered disabled state [ 143.952167][ T5363] bridge_slave_1: entered allmulticast mode [ 143.968537][ T5363] bridge_slave_1: entered promiscuous mode [ 144.089874][ T5363] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 144.138834][ T5363] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 145.038519][ T5363] team0: Port device team_slave_0 added [ 145.171419][ T5363] team0: Port device team_slave_1 added [ 145.752979][ T5363] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 145.777449][ T5363] 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. [ 145.872582][ T5363] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 146.033013][ T5363] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 146.043733][ T5363] 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. [ 146.082986][ T5363] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 147.000910][ T5363] hsr_slave_0: entered promiscuous mode [ 147.015046][ T5363] hsr_slave_1: entered promiscuous mode [ 148.449349][ T1320] ieee802154 phy0 wpan0: encryption failed: -22 [ 148.453196][ T1320] ieee802154 phy1 wpan1: encryption failed: -22 [ 149.192381][ T68] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 149.217871][ T68] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 150.710027][ T68] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 150.729698][ T68] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 151.536424][ T5363] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 151.983862][ T5363] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 152.011898][ T5363] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 152.068335][ T5363] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 152.089817][ T5363] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 152.159269][ T5363] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 152.185318][ T5363] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 152.217238][ T5363] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 152.737019][ T5363] 8021q: adding VLAN 0 to HW filter on device bond0 [ 152.815436][ T5363] 8021q: adding VLAN 0 to HW filter on device team0 [ 152.860227][ T127] bridge0: port 1(bridge_slave_0) entered blocking state [ 152.864491][ T127] bridge0: port 1(bridge_slave_0) entered forwarding state [ 152.913941][ T68] bridge0: port 2(bridge_slave_1) entered blocking state [ 152.918050][ T68] bridge0: port 2(bridge_slave_1) entered forwarding state [ 155.344352][ T5363] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 155.842441][ T5363] veth0_vlan: entered promiscuous mode [ 155.882848][ T5363] veth1_vlan: entered promiscuous mode [ 155.999906][ T5363] veth0_macvtap: entered promiscuous mode [ 156.040069][ T5363] veth1_macvtap: entered promiscuous mode [ 156.106067][ T5363] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 156.169754][ T5363] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 156.239075][ T30] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 156.278626][ T30] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 156.306150][ T30] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 156.391865][ T30] netdevsim netdevsim2 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 (0x106000) [ 157.775043][ T1017] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 157.778556][ T1017] ata1: failed to read log page 10h (errno=-5) [ 157.781613][ T1017] ata1.00: NCQ disabled due to excessive errors [ 157.790250][ T1017] ata1.00: exception Emask 0x1 SAct 0x40000000 SErr 0x0 action 0x0 [ 157.805370][ T1017] ata1.00: irq_stat 0x41000008 [ 157.808516][ T1017] ata1.00: failed command: READ FPDMA QUEUED [ 157.814857][ T1017] ata1.00: cmd 60/30:f0:5e:4c:04/08:00:00:00:00/40 tag 30 ncq dma 1073152 in [ 157.814857][ T1017] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 157.831376][ T1017] ata1.00: status: { DRDY } [ 157.834601][ T1017] ata1.00: error: { ABRT } [ 157.838542][ T1017] ata1.00: configured for UDMA/100 [ 157.841456][ T1017] sd 0:0:0:0: [sda] tag#30 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s [ 157.847036][ T1017] sd 0:0:0:0: [sda] tag#30 Sense Key : Aborted Command [current] [ 157.850990][ T1017] sd 0:0:0:0: [sda] tag#30 Add. Sense: No additional sense information [ 157.855912][ T1017] sd 0:0:0:0: [sda] tag#30 CDB: Read(10) 28 00 00 04 4c 5e 00 08 30 00 [ 157.859765][ T1017] I/O error, dev sda, sector 281694 op 0x0:(READ) flags 0x80700 phys_seg 63 prio class 2 [ 157.866732][ T1017] 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-build20371917=/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 d1b870e1003b 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=d1b870e1003b52891d2196c1e2ee42fe905010ba -X github.com/google/syzkaller/prog.gitRevisionDate=20251128-125159" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=d1b870e1003b52891d2196c1e2ee42fe905010ba -X github.com/google/syzkaller/prog.gitRevisionDate=20251128-125159" ./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=d1b870e1003b52891d2196c1e2ee42fe905010ba -X github.com/google/syzkaller/prog.gitRevisionDate=20251128-125159" -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=\"d1b870e1003b52891d2196c1e2ee42fe905010ba\" /usr/bin/ld: /tmp/ccfBM2N3.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