lost connection to test machine syzkaller login: qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x3ae000) [ 91.852581][ T1252] cfg80211: failed to load regulatory.db [ 111.066755][ T1018] ata1.00: exception Emask 0x0 SAct 0x20 SErr 0x0 action 0x6 frozen [ 111.066780][ T1018] ata1.00: failed command: WRITE FPDMA QUEUED [ 111.066787][ T1018] ata1.00: cmd 61/70:28:36:81:04/1d:00:00:00:00/40 tag 5 ncq dma 3858432 ou [ 111.066787][ T1018] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 111.066815][ T1018] ata1.00: status: { DRDY } [ 111.066862][ T1018] ata1: hard resetting link [ 111.387898][ T1018] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 111.389026][ T1018] ata1.00: configured for UDMA/100 [ 111.389310][ T1018] ata1: EH complete Warning: Permanently added '[localhost]:9886' (ED25519) to the list of known hosts. 2026/09/26 16:52:54 parsed 1 programs [ 119.039985][ T5301] cgroup: Unknown subsys name 'net' [ 119.113585][ T5301] cgroup: Unknown subsys name 'cpuset' [ 119.123104][ T5301] cgroup: Unknown subsys name 'rlimit' [ 120.648193][ T5301] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 128.634362][ T5319] 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. [ 137.886308][ T5340] modprobe (5340) used greatest stack depth: 16200 bytes left [ 137.932768][ T1328] ieee802154 phy0 wpan0: encryption failed: -22 [ 137.932822][ T1328] ieee802154 phy1 wpan1: encryption failed: -22 qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x9c000) [ 140.159436][ T1018] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 140.159456][ T1018] ata1: failed to read log page 10h (errno=-5) [ 140.159467][ T1018] ata1.00: exception Emask 0x1 SAct 0x4000 SErr 0x0 action 0x0 [ 140.159474][ T1018] ata1.00: irq_stat 0x41000008 [ 140.159481][ T1018] ata1.00: failed command: READ FPDMA QUEUED [ 140.159485][ T1018] ata1.00: cmd 60/e0:70:1e:42:05/04:00:00:00:00/40 tag 14 ncq dma 638976 in [ 140.159485][ T1018] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 140.159514][ T1018] ata1.00: status: { DRDY } [ 140.159520][ T1018] ata1.00: error: { ABRT } [ 140.162709][ T1018] ata1.00: configured for UDMA/100 [ 140.163047][ T1018] sd 0:0:0:0: [sda] tag#14 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s [ 140.163081][ T1018] sd 0:0:0:0: [sda] tag#14 Sense Key : Aborted Command [current] [ 140.163104][ T1018] sd 0:0:0:0: [sda] tag#14 Add. Sense: No additional sense information [ 140.163940][ T1018] sd 0:0:0:0: [sda] tag#14 CDB: Read(10) 28 00 00 05 42 1e 00 04 e0 00 [ 140.163957][ T1018] I/O error, dev sda, sector 344606 op 0x0:(READ) flags 0x80700 phys_seg 156 prio class 2 [ 140.165157][ T1018] ata1: EH complete [ 147.922051][ T5318] bridge0: port 1(bridge_slave_0) entered blocking state [ 147.933311][ T5318] bridge0: port 1(bridge_slave_0) entered disabled state [ 147.933441][ T5318] bridge_slave_0: entered allmulticast mode [ 147.946027][ T5318] bridge_slave_0: entered promiscuous mode [ 147.963733][ T5318] bridge0: port 2(bridge_slave_1) entered blocking state [ 147.969808][ T5318] bridge0: port 2(bridge_slave_1) entered disabled state [ 147.970831][ T5318] bridge_slave_1: entered allmulticast mode [ 147.975312][ T5318] bridge_slave_1: entered promiscuous mode [ 149.605022][ T46] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 149.615698][ T46] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 149.616219][ T46] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 149.626309][ T46] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 149.627404][ T46] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x1cc000) [ 149.847231][ T1018] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 149.847252][ T1018] ata1: failed to read log page 10h (errno=-5) [ 149.847263][ T1018] ata1.00: NCQ disabled due to excessive errors [ 149.847271][ T1018] ata1.00: exception Emask 0x1 SAct 0x18000000 SErr 0x0 action 0x0 [ 149.847282][ T1018] ata1.00: irq_stat 0x41000000 [ 149.847293][ T1018] ata1.00: failed command: READ FPDMA QUEUED [ 149.847301][ T1018] ata1.00: cmd 60/60:d8:36:a1:04/0e:00:00:00:00/40 tag 27 ncq dma 1884160 in [ 149.847301][ T1018] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 149.847330][ T1018] ata1.00: status: { DRDY } [ 149.847336][ T1018] ata1.00: error: { ABRT } [ 149.847345][ T1018] ata1.00: failed command: READ FPDMA QUEUED [ 149.847351][ T1018] ata1.00: cmd 60/d8:e0:a6:af:04/03:00:00:00:00/40 tag 28 ncq dma 503808 in [ 149.847351][ T1018] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 149.847380][ T1018] ata1.00: status: { DRDY } [ 149.847387][ T1018] ata1.00: error: { ABRT } [ 149.907142][ T1018] ata1.00: configured for UDMA/100 [ 149.920453][ T1018] sd 0:0:0:0: [sda] tag#27 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s [ 149.920484][ T1018] sd 0:0:0:0: [sda] tag#27 Sense Key : Aborted Command [current] [ 149.920508][ T1018] sd 0:0:0:0: [sda] tag#27 Add. Sense: No additional sense information [ 149.920531][ T1018] sd 0:0:0:0: [sda] tag#27 CDB: Read(10) 28 00 00 04 a1 36 00 0e 60 00 [ 149.920544][ T1018] I/O error, dev sda, sector 303414 op 0x0:(READ) flags 0x80700 phys_seg 63 prio class 2 [ 149.959560][ T1018] sd 0:0:0:0: [sda] tag#28 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s [ 149.959600][ T1018] sd 0:0:0:0: [sda] tag#28 Sense Key : Aborted Command [current] [ 149.959624][ T1018] sd 0:0:0:0: [sda] tag#28 Add. Sense: No additional sense information [ 149.959648][ T1018] sd 0:0:0:0: [sda] tag#28 CDB: Read(10) 28 00 00 04 af a6 00 03 d8 00 [ 149.959664][ T1018] I/O error, dev sda, sector 307110 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2 [ 149.959774][ T1018] ata1: EH complete [ 150.174039][ T5318] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 150.351202][ T5318] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 150.815192][ T5318] team0: Port device team_slave_0 added [ 151.175752][ T5318] team0: Port device team_slave_1 added [ 151.465845][ T5318] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 151.465860][ T5318] 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. [ 151.465874][ T5318] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 151.579814][ T5318] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 151.579827][ T5318] 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. [ 151.579841][ T5318] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 151.689170][ T46] Bluetooth: hci0: command tx timeout [ 152.115105][ T5318] hsr_slave_0: entered promiscuous mode [ 152.115876][ T5318] hsr_slave_1: entered promiscuous mode [ 153.646262][ T13] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 153.646281][ T13] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 153.881934][ T25] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 153.881951][ T25] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 153.967165][ T5318] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 154.018658][ T5318] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 154.021250][ T5318] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 154.055034][ T5318] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 154.062610][ T5318] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 154.078297][ T5318] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 154.079896][ T5318] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 154.098655][ T5318] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 154.292578][ T5318] 8021q: adding VLAN 0 to HW filter on device bond0 [ 154.335690][ T5318] 8021q: adding VLAN 0 to HW filter on device team0 [ 154.350152][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 154.350277][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 154.380375][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 154.380421][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 155.128604][ T5318] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 155.249943][ T5318] veth0_vlan: entered promiscuous mode [ 155.274603][ T5318] veth1_vlan: entered promiscuous mode [ 155.341194][ T5318] veth0_macvtap: entered promiscuous mode [ 155.352594][ T5318] veth1_macvtap: entered promiscuous mode [ 155.394957][ T5318] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 155.418737][ T5318] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 155.556918][ T13] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 155.556951][ T13] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 155.556972][ T13] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 155.556994][ T13] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 execution of simple program fails: call 0 failed with errno 998 [ 158.609064][ T53] netdevsim netdevsim2 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 158.700107][ T53] netdevsim netdevsim2 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 158.746951][ T53] netdevsim netdevsim2 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 158.798002][ T53] netdevsim netdevsim2 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 159.059697][ T53] bridge_slave_1: left allmulticast mode [ 159.059737][ T53] bridge_slave_1: left promiscuous mode [ 159.061240][ T53] bridge0: port 2(bridge_slave_1) entered disabled state [ 159.088917][ T53] bridge_slave_0: left allmulticast mode [ 159.088939][ T53] bridge_slave_0: left promiscuous mode [ 159.089078][ T53] bridge0: port 1(bridge_slave_0) entered disabled state [ 159.479315][ T53] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 159.483501][ T53] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 159.485280][ T53] bond0 (unregistering): Released all slaves [ 159.766198][ T53] hsr_slave_0: left promiscuous mode [ 159.778937][ T53] hsr_slave_1: left promiscuous mode [ 159.779788][ T53] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 159.779821][ T53] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 159.781645][ T53] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 159.781662][ T53] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 159.863240][ T53] veth1_macvtap: left promiscuous mode [ 159.863291][ T53] veth0_macvtap: left promiscuous mode [ 159.863399][ T53] veth1_vlan: left promiscuous mode [ 159.863467][ T53] veth0_vlan: left promiscuous mode [ 160.509615][ T53] team0 (unregistering): Port device team_slave_1 removed [ 160.516263][ T53] team0 (unregistering): Port device team_slave_0 removed [ 160.635960][ T4990] 8021q: adding VLAN 0 to HW filter on device eth2 [ 161.057007][ T4990] 8021q: adding VLAN 0 to HW filter on device eth3 [ 161.264003][ T4990] 8021q: adding VLAN 0 to HW filter on device eth4 [ 161.471437][ T4990] 8021q: adding VLAN 0 to HW filter on device eth5 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-build549400396=/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 32a0e5edfee 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=32a0e5edfeef60e894c453dc9e9ae45528626ef1 -X github.com/google/syzkaller/prog.gitRevisionDate=20250808-115945" -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=\"32a0e5edfeef60e894c453dc9e9ae45528626ef1\" /usr/bin/ld: /tmp/ccKCh1Qu.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