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) [ 91.939025][ T806] cfg80211: failed to load regulatory.db qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 92.166399][ T1023] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 92.166419][ T1023] ata1: failed to read log page 10h (errno=-5) qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 92.166431][ T1023] ata1.00: exception Emask 0x1 SAct 0x40000060 SErr 0x0 action 0x0 [ 92.166443][ T1023] ata1.00: irq_stat 0x41000000 [ 92.166453][ T1023] ata1.00: failed command: WRITE FPDMA QUEUED [ 92.166461][ T1023] ata1.00: cmd 61/00:28:36:21:05/20:00:00:00:00/40 tag 5 ncq dma 4194304 ou [ 92.166461][ T1023] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 92.166492][ T1023] ata1.00: status: { DRDY } [ 92.166500][ T1023] ata1.00: error: { ABRT } [ 92.166565][ T1023] ata1.00: failed command: WRITE FPDMA QUEUED [ 92.166573][ T1023] ata1.00: cmd 61/00:30:36:41:05/20:00:00:00:00/40 tag 6 ncq dma 4194304 ou [ 92.166573][ T1023] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 92.166610][ T1023] ata1.00: status: { DRDY } [ 92.166618][ T1023] ata1.00: error: { ABRT } [ 92.166628][ T1023] ata1.00: failed command: WRITE FPDMA QUEUED [ 92.166634][ T1023] ata1.00: cmd 61/00:f0:36:81:04/20:00:00:00:00/40 tag 30 ncq dma 4194304 ou [ 92.166634][ T1023] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 92.166665][ T1023] ata1.00: status: { DRDY } [ 92.166672][ T1023] ata1.00: error: { ABRT } [ 92.170705][ T1023] ata1.00: configured for UDMA/100 [ 92.173439][ T1023] ata1: EH complete Warning: Permanently added '[localhost]:36783' (ED25519) to the list of known hosts. 2026/09/16 22:13:18 parsed 1 programs 2026/09/16 22:13:18 serving rpc on tcp://42515 [ 98.637945][ T5292] cgroup: Unknown subsys name 'net' [ 98.689094][ T5292] cgroup: Unknown subsys name 'cpuset' [ 98.692488][ T5292] cgroup: Unknown subsys name 'rlimit' [ 122.664349][ T1023] ata1.00: exception Emask 0x0 SAct 0x200000 SErr 0x0 action 0x6 frozen [ 122.664377][ T1023] ata1.00: failed command: WRITE FPDMA QUEUED [ 122.664385][ T1023] ata1.00: cmd 61/00:a8:36:81:04/20:00:00:00:00/40 tag 21 ncq dma 4194304 ou [ 122.664385][ T1023] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 122.664415][ T1023] ata1.00: status: { DRDY } [ 122.664463][ T1023] ata1: hard resetting link [ 122.986291][ T1023] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 122.987339][ T1023] ata1.00: configured for UDMA/100 [ 122.987625][ T1023] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0xa8000) [ 123.085407][ T1023] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 123.085425][ T1023] ata1: failed to read log page 10h (errno=-5) [ 123.085441][ T1023] ata1.00: NCQ disabled due to excessive errors [ 123.085448][ T1023] ata1.00: exception Emask 0x1 SAct 0x24000 SErr 0x0 action 0x0 [ 123.085459][ T1023] ata1.00: irq_stat 0x41000000 [ 123.085468][ T1023] ata1.00: failed command: WRITE FPDMA QUEUED [ 123.085474][ T1023] ata1.00: cmd 61/40:70:96:98:05/05:00:00:00:00/40 tag 14 ncq dma 688128 out [ 123.085474][ T1023] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 123.085503][ T1023] ata1.00: status: { DRDY } [ 123.085512][ T1023] ata1.00: failed command: WRITE FPDMA QUEUED [ 123.085518][ T1023] ata1.00: cmd 61/00:88:d6:9d:05/07:00:00:00:00/40 tag 17 ncq dma 917504 out [ 123.085518][ T1023] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 123.085547][ T1023] ata1.00: status: { DRDY } [ 123.086638][ T1023] ata1.00: configured for UDMA/100 [ 123.087163][ T1023] ata1: EH complete Setting up swapspace version 1, size = 127995904 bytes [ 124.525966][ T5292] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 131.883156][ T5327] 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. [ 136.479661][ T1057] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 136.479681][ T1057] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 136.708735][ T5336] syz-executor (5336) used greatest stack depth: 17904 bytes left [ 136.998219][ T44] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 136.998245][ T44] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 137.313839][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 137.323388][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 137.329547][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 137.330921][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 137.332949][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 138.010371][ T1334] ieee802154 phy0 wpan0: encryption failed: -22 [ 138.010430][ T1334] ieee802154 phy1 wpan1: encryption failed: -22 [ 139.365631][ T47] Bluetooth: hci0: command tx timeout [ 141.445039][ T47] Bluetooth: hci0: command tx timeout [ 142.321630][ T5382] bridge0: port 1(bridge_slave_0) entered blocking state [ 142.321753][ T5382] bridge0: port 1(bridge_slave_0) entered disabled state [ 142.321880][ T5382] bridge_slave_0: entered allmulticast mode [ 142.338479][ T5382] bridge_slave_0: entered promiscuous mode [ 142.356900][ T5382] bridge0: port 2(bridge_slave_1) entered blocking state [ 142.357022][ T5382] bridge0: port 2(bridge_slave_1) entered disabled state [ 142.357136][ T5382] bridge_slave_1: entered allmulticast mode [ 142.360431][ T5382] bridge_slave_1: entered promiscuous mode [ 142.432642][ T5382] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 142.443307][ T5382] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 142.486991][ T5382] team0: Port device team_slave_0 added [ 142.489371][ T5382] team0: Port device team_slave_1 added [ 142.533757][ T5382] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 142.533771][ T5382] 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. [ 142.533785][ T5382] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 142.562325][ T5382] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 142.562339][ T5382] 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. [ 142.562354][ T5382] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 142.617416][ T5382] hsr_slave_0: entered promiscuous mode [ 142.618458][ T5382] hsr_slave_1: entered promiscuous mode [ 142.823753][ T5382] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 142.844629][ T5382] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 142.847196][ T5382] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 142.851840][ T5382] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 142.853665][ T5382] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 142.879616][ T5382] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 142.880898][ T5382] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 142.892136][ T5382] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 143.005067][ T5382] 8021q: adding VLAN 0 to HW filter on device bond0 [ 143.031433][ T5382] 8021q: adding VLAN 0 to HW filter on device team0 [ 143.047300][ T45] bridge0: port 1(bridge_slave_0) entered blocking state [ 143.047404][ T45] bridge0: port 1(bridge_slave_0) entered forwarding state [ 143.065093][ T1057] bridge0: port 2(bridge_slave_1) entered blocking state [ 143.065152][ T1057] bridge0: port 2(bridge_slave_1) entered forwarding state [ 143.525604][ T47] Bluetooth: hci0: command tx timeout [ 143.761454][ T5382] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 143.876156][ T5382] veth0_vlan: entered promiscuous mode [ 143.893132][ T5382] veth1_vlan: entered promiscuous mode [ 143.955815][ T5382] veth0_macvtap: entered promiscuous mode [ 143.969743][ T5382] veth1_macvtap: entered promiscuous mode [ 144.005969][ T5382] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 144.027059][ T5382] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 144.135934][ T1057] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 144.136174][ T1057] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 144.136221][ T1057] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 144.136241][ T1057] netdevsim netdevsim3 netdevsim3: set [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-build38934470=/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 c1da772e0d2 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=c1da772e0d2df8f734dddb8332553b2e56e2d9d9 -X github.com/google/syzkaller/prog.gitRevisionDate=20260624-084645" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=c1da772e0d2df8f734dddb8332553b2e56e2d9d9 -X github.com/google/syzkaller/prog.gitRevisionDate=20260624-084645" ./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=c1da772e0d2df8f734dddb8332553b2e56e2d9d9 -X github.com/google/syzkaller/prog.gitRevisionDate=20260624-084645" -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=\"c1da772e0d2df8f734dddb8332553b2e56e2d9d9\" /usr/bin/ld: /tmp/ccplxAeD.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