lost connection to test machine syzkaller login: [ 102.364480][ T1364] cfg80211: failed to load regulatory.db qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x23d000) Warning: Permanently added '[localhost]:50780' (ED25519) to the list of known hosts. [ 168.287467][ T1026] ata1.00: exception Emask 0x0 SAct 0x900 SErr 0x0 action 0x6 frozen [ 168.292178][ T1026] ata1.00: failed command: WRITE FPDMA QUEUED [ 168.294829][ T1026] ata1.00: cmd 61/00:40:36:71:04/20:00:00:00:00/40 tag 8 ncq dma 4194304 ou [ 168.294829][ T1026] res 40/00:01:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 168.305100][ T1026] ata1.00: status: { DRDY } [ 168.307867][ T1026] ata1.00: failed command: WRITE FPDMA QUEUED [ 168.310686][ T1026] ata1.00: cmd 61/e8:58:36:d1:04/11:00:00:00:00/40 tag 11 ncq dma 2347008 ou [ 168.310686][ T1026] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 168.319219][ T1026] ata1.00: status: { DRDY } [ 168.321978][ T1026] ata1: hard resetting link [ 168.639879][ T1026] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 168.645986][ T1026] ata1.00: configured for UDMA/100 [ 168.650098][ T1026] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x23d000) [ 168.671457][ T1026] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 168.674940][ T1026] ata1: failed to read log page 10h (errno=-5) [ 168.679012][ T1026] ata1.00: NCQ disabled due to excessive errors [ 168.682169][ T1026] ata1.00: exception Emask 0x1 SAct 0xe000 SErr 0x0 action 0x0 [ 168.686015][ T1026] ata1.00: irq_stat 0x41000000 [ 168.689009][ T1026] ata1.00: failed command: WRITE FPDMA QUEUED [ 168.692245][ T1026] ata1.00: cmd 61/00:68:36:71:04/20:00:00:00:00/40 tag 13 ncq dma 4194304 ou [ 168.692245][ T1026] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 168.701519][ T1026] ata1.00: status: { DRDY } [ 168.705056][ T1026] ata1.00: failed command: WRITE FPDMA QUEUED [ 168.709216][ T1026] ata1.00: cmd 61/e8:70:36:d1:04/11:00:00:00:00/40 tag 14 ncq dma 2347008 ou [ 168.709216][ T1026] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 168.717465][ T1026] ata1.00: status: { DRDY } [ 168.720088][ T1026] ata1.00: failed command: WRITE FPDMA QUEUED [ 168.723564][ T1026] ata1.00: cmd 61/08:78:d6:04:10/00:00:00:00:00/40 tag 15 ncq dma 4096 out [ 168.723564][ T1026] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 168.731963][ T1026] ata1.00: status: { DRDY } [ 168.736136][ T1026] ata1.00: configured for UDMA/100 [ 168.739653][ T1026] ata1: EH complete 2026/04/28 18:36:35 parsed 1 programs [ 174.252650][ T5323] cgroup: Unknown subsys name 'net' [ 174.313889][ T5323] cgroup: Unknown subsys name 'cpuset' [ 174.323412][ T5323] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 176.204861][ T5323] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 181.015994][ T5334] 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. [ 184.935888][ T5360] modprobe (5360) used greatest stack depth: 17608 bytes left [ 189.038607][ T4654] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 189.046291][ T4654] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 189.051909][ T4654] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 189.056857][ T4654] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 189.064789][ T4654] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 190.208918][ T30] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 190.243341][ T30] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 191.147885][ T4654] Bluetooth: hci0: command tx timeout [ 192.075537][ T114] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 192.090183][ T114] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 196.004658][ T5359] bridge0: port 1(bridge_slave_0) entered blocking state [ 196.014153][ T5359] bridge0: port 1(bridge_slave_0) entered disabled state [ 196.026634][ T5359] bridge_slave_0: entered allmulticast mode [ 196.046204][ T5359] bridge_slave_0: entered promiscuous mode [ 196.092639][ T5359] bridge0: port 2(bridge_slave_1) entered blocking state [ 196.101562][ T5359] bridge0: port 2(bridge_slave_1) entered disabled state [ 196.114604][ T5359] bridge_slave_1: entered allmulticast mode [ 196.131396][ T5359] bridge_slave_1: entered promiscuous mode [ 196.509232][ T5359] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 196.552805][ T5359] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 196.653555][ T5359] team0: Port device team_slave_0 added [ 196.671698][ T5359] team0: Port device team_slave_1 added [ 197.018151][ T5359] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 197.026573][ T5359] 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. [ 197.057676][ T5359] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 197.252294][ T5359] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 197.260354][ T5359] 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. [ 197.295230][ T5359] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 198.138613][ T5359] hsr_slave_0: entered promiscuous mode [ 198.149176][ T5359] hsr_slave_1: entered promiscuous mode [ 200.481308][ T5359] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 200.744786][ T5359] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 200.761084][ T5359] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 200.789585][ T5359] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 200.804878][ T5359] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 200.838401][ T5359] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 200.850051][ T5359] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 200.886209][ T5359] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 201.792146][ T5359] 8021q: adding VLAN 0 to HW filter on device bond0 [ 202.126091][ T5359] 8021q: adding VLAN 0 to HW filter on device team0 [ 202.157628][ T68] bridge0: port 1(bridge_slave_0) entered blocking state [ 202.161124][ T68] bridge0: port 1(bridge_slave_0) entered forwarding state [ 202.212710][ T30] bridge0: port 2(bridge_slave_1) entered blocking state [ 202.216212][ T30] bridge0: port 2(bridge_slave_1) entered forwarding state [ 203.693675][ T5359] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 203.912215][ T5359] veth0_vlan: entered promiscuous mode [ 203.964294][ T5359] veth1_vlan: entered promiscuous mode [ 204.091993][ T5359] veth0_macvtap: entered promiscuous mode [ 204.126483][ T5359] veth1_macvtap: entered promiscuous mode [ 204.216042][ T5359] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 204.258030][ T5359] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 204.338289][ T114] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 204.380874][ T114] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 204.395121][ T114] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 204.411833][ T114] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 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-build614598975=/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 bf6fe8fef08f 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=bf6fe8fef08f3e0d8c066121c66eaf37681e0de9 -X github.com/google/syzkaller/prog.gitRevisionDate=20251124-085549" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=bf6fe8fef08f3e0d8c066121c66eaf37681e0de9 -X github.com/google/syzkaller/prog.gitRevisionDate=20251124-085549" ./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=bf6fe8fef08f3e0d8c066121c66eaf37681e0de9 -X github.com/google/syzkaller/prog.gitRevisionDate=20251124-085549" -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=\"bf6fe8fef08f3e0d8c066121c66eaf37681e0de9\" /usr/bin/ld: /tmp/ccjofXxi.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