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) [ 96.174146][ T1028] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 96.178433][ T1028] ata1: failed to read log page 10h (errno=-5) [ 96.181573][ T1028] ata1.00: exception Emask 0x1 SAct 0x600000 SErr 0x0 action 0x0 [ 96.201611][ T1028] ata1.00: irq_stat 0x41000000 [ 96.204649][ T1028] ata1.00: failed command: WRITE FPDMA QUEUED [ 96.216470][ T1028] ata1.00: cmd 61/00:a8:36:a1:04/20:00:00:00:00/40 tag 21 ncq dma 4194304 ou [ 96.216470][ T1028] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 96.233593][ T1028] ata1.00: status: { DRDY } [ 96.241196][ T1028] ata1.00: failed command: WRITE FPDMA QUEUED [ 96.246535][ T1028] ata1.00: cmd 61/00:b0:36:c1:04/20:00:00:00:00/40 tag 22 ncq dma 4194304 ou [ 96.246535][ T1028] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 96.267040][ T1028] ata1.00: status: { DRDY } [ 96.277035][ T1028] ata1.00: configured for UDMA/100 [ 96.281313][ T1028] ata1: EH complete Warning: Permanently added '[localhost]:16035' (ED25519) to the list of known hosts. qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 101.283053][ T1028] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 101.286371][ T1028] ata1: failed to read log page 10h (errno=-5) [ 101.289638][ T1028] ata1.00: exception Emask 0x1 SAct 0xc000 SErr 0x0 action 0x0 [ 101.304569][ T1028] ata1.00: irq_stat 0x41000000 [ 101.309172][ T1028] ata1.00: failed command: WRITE FPDMA QUEUED [ 101.318279][ T1028] ata1.00: cmd 61/00:70:36:01:05/20:00:00:00:00/40 tag 14 ncq dma 4194304 ou [ 101.318279][ T1028] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 101.342113][ T1028] ata1.00: status: { DRDY } [ 101.344753][ T1028] ata1.00: failed command: WRITE FPDMA QUEUED [ 101.347900][ T1028] ata1.00: cmd 61/00:78:36:21:05/20:00:00:00:00/40 tag 15 ncq dma 4194304 ou [ 101.347900][ T1028] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 101.371973][ T1028] ata1.00: status: { DRDY } [ 101.376027][ T1028] ata1.00: configured for UDMA/100 [ 101.382527][ T1028] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 101.413069][ T1028] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 101.416053][ T1028] ata1: failed to read log page 10h (errno=-5) [ 101.419150][ T1028] ata1.00: NCQ disabled due to excessive errors [ 101.424516][ T1028] ata1.00: exception Emask 0x1 SAct 0xe400 SErr 0x0 action 0x0 [ 101.432458][ T1028] ata1.00: irq_stat 0x41000000 [ 101.441989][ T1028] ata1.00: failed command: WRITE FPDMA QUEUED [ 101.445789][ T1028] ata1.00: cmd 61/10:50:36:41:05/16:00:00:00:00/40 tag 10 ncq dma 2891776 ou [ 101.445789][ T1028] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 101.472220][ T1028] ata1.00: status: { DRDY } [ 101.474402][ T1028] ata1.00: error: { ABRT } [ 101.476473][ T1028] ata1.00: failed command: WRITE FPDMA QUEUED [ 101.479929][ T1028] ata1.00: cmd 61/00:68:36:01:05/20:00:00:00:00/40 tag 13 ncq dma 4194304 ou [ 101.479929][ T1028] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 101.501979][ T1028] ata1.00: status: { DRDY } [ 101.504229][ T1028] ata1.00: error: { ABRT } [ 101.506335][ T1028] ata1.00: failed command: WRITE FPDMA QUEUED [ 101.509054][ T1028] ata1.00: cmd 61/00:70:36:21:05/20:00:00:00:00/40 tag 14 ncq dma 4194304 ou [ 101.509054][ T1028] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 101.532157][ T1028] ata1.00: status: { DRDY } [ 101.536588][ T1028] ata1.00: error: { ABRT } [ 101.542430][ T1028] ata1.00: failed command: WRITE FPDMA QUEUED [ 101.551987][ T1028] ata1.00: cmd 61/b0:78:06:5b:05/08:00:00:00:00/40 tag 15 ncq dma 1138688 ou [ 101.551987][ T1028] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 101.572494][ T1028] ata1.00: status: { DRDY } [ 101.583250][ T1028] ata1.00: error: { ABRT } [ 101.586610][ T1028] ata1.00: configured for UDMA/100 [ 101.593391][ T1028] ata1: EH complete [ 102.290571][ T9] cfg80211: failed to load regulatory.db 2026/04/29 06:52:41 parsed 1 programs [ 106.597510][ T5298] cgroup: Unknown subsys name 'net' [ 106.683592][ T5298] cgroup: Unknown subsys name 'cpuset' [ 106.696370][ T5298] cgroup: Unknown subsys name 'rlimit' [ 108.716847][ T5298] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 117.506526][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 117.559970][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 117.682757][ T5319] 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. [ 117.803674][ T158] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 117.853589][ T158] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 121.603725][ T44] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 121.619686][ T44] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 121.624974][ T44] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 121.632287][ T44] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 121.637600][ T44] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 123.723650][ T44] Bluetooth: hci0: command tx timeout [ 125.802383][ T44] Bluetooth: hci0: command tx timeout [ 127.883896][ T44] Bluetooth: hci0: command tx timeout [ 129.962163][ T44] Bluetooth: hci0: command tx timeout [ 131.988670][ T5323] bridge0: port 1(bridge_slave_0) entered blocking state [ 132.009079][ T5323] bridge0: port 1(bridge_slave_0) entered disabled state [ 132.031326][ T5323] bridge_slave_0: entered allmulticast mode [ 132.067349][ T5323] bridge_slave_0: entered promiscuous mode [ 132.270642][ T5323] bridge0: port 2(bridge_slave_1) entered blocking state [ 132.285064][ T5323] bridge0: port 2(bridge_slave_1) entered disabled state [ 132.301122][ T5323] bridge_slave_1: entered allmulticast mode [ 132.320646][ T5323] bridge_slave_1: entered promiscuous mode [ 132.470066][ T5323] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 132.554868][ T5323] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 133.441205][ T5323] team0: Port device team_slave_0 added [ 133.496592][ T5323] team0: Port device team_slave_1 added [ 134.138375][ T5323] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 134.153160][ T5323] 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. [ 134.201060][ T5323] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 134.886471][ T5323] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 134.903250][ T5323] 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. [ 134.968614][ T5323] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active 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-build1206048430=/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 ef44b750e8fa 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=ef44b750e8fab8d6d5cb84920680581b13e0d470 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20250207-152458'" -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=\"ef44b750e8fab8d6d5cb84920680581b13e0d470\" /usr/bin/ld: /tmp/ccqDkCMY.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