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echolot/echolot-prober/reports/CPH2747-android16-sdk36-build2.json
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mrambossekandClaude Opus 5 0ed36d9103 prober build 3: raise Shizuku bind window for slow first spawn; archive build-2 reports 
Build-2 matrix (OnePlus 15/A16 + Lenovo TB330FU/A15) delivered the big
answer: traceroute.udp4 reads real hops via pure-Kotlin MSG_ERRQUEUE on
BOTH devices — the C-over-JNI shim is dead for Android 15+. Per-network
ICMP works as designed (phone ping6: cellular-only with topology
evidence). mDNS meta-query confirmed broken on both devices while
concrete types find real services — production must enumerate types.
Network finding: hudeWLAN RAs advertise a v6 default route but no global
prefix — the LAN's IPv6 is half-broken (nice dogfood case).

Tablet Shizuku bound 0/7 (binder alive, permission granted): first-spawn
dex extraction on slow storage suspected — bind window now 25s + one
retry. versionCode 3.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-07-30 13:32:11 +02:00

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{
"schema": "echolot/prober-report",
"schemaVersion": "0.1.0",
"proberBuild": 2,
"device": {
"manufacturer": "OnePlus",
"model": "CPH2747",
"androidSdk": 36,
"androidRelease": "16"
},
"results": [
{
"id": "link.snapshot",
"title": "LinkProperties snapshot (all active networks)",
"tier": "APP",
"verdict": "SUPPORTED",
"summary": "3 active network(s) read",
"evidence": {
"network_count": "3",
"net0.cellular.iface": "rmnet_data4",
"net0.cellular.mtu": "1500",
"net0.cellular.addrs": "2001:4bb8:417:bd78:e4fe:8cff:febe:ca8c/64",
"net0.cellular.dns": "fda1:3fb1:0:8:0:10:0:101, fda1:3fb1:0:8:0:10:0:100",
"net0.cellular.routes": "::/0 -> fe80::246f:12be:21ef:1b54 rmnet_data4 mtu 1500 | 2001:4bb8:417:bd78::/64 -> :: rmnet_data4 mtu 0",
"net0.cellular.domains": "",
"net0.cellular.nat64": "none",
"net0.cellular.private_dns": "off/opportunistic",
"net1.wifi.iface": "wlan0",
"net1.wifi.mtu": "0",
"net1.wifi.addrs": "fe80::bcf6:edff:fe67:b139/64, 10.13.102.122/24",
"net1.wifi.dns": "10.13.102.1",
"net1.wifi.routes": "fe80::/64 -> :: wlan0 mtu 0 | ::/0 -> fe80::7a9a:18ff:fe54:b8f9 wlan0 mtu 0 | 10.13.102.0/24 -> 0.0.0.0 wlan0 mtu 0 | 0.0.0.0/0 -> 10.13.102.1 wlan0 mtu 0",
"net1.wifi.domains": "hudelist.local",
"net1.wifi.nat64": "none",
"net1.wifi.private_dns": "off/opportunistic",
"net2.cellular.iface": "rmnet_data1",
"net2.cellular.mtu": "1500",
"net2.cellular.addrs": "10.73.62.113/30, 2001:4bb8:2fb:fe4c:64bc:6eff:fe9d:3b84/64",
"net2.cellular.dns": "10.88.152.122, 10.88.152.123, fda1:3fb1:0:8:0:10:0:102, fda1:3fb1:0:8:0:10:0:103",
"net2.cellular.routes": "0.0.0.0/0 -> 10.73.62.114 rmnet_data1 mtu 1500 | ::/0 -> fe80::7061:4abe:b43a:cf11 rmnet_data1 mtu 1500 | 10.73.62.112/30 -> 0.0.0.0 rmnet_data1 mtu 0 | 2001:4bb8:2fb:fe4c::/64 -> :: rmnet_data1 mtu 0",
"net2.cellular.domains": "",
"net2.cellular.nat64": "none",
"net2.cellular.private_dns": "off/opportunistic"
},
"durationMs": 1
},
{
"id": "icmp.ping4",
"title": "ICMPv4 echo (unprivileged datagram socket)",
"tier": "APP",
"verdict": "SUPPORTED",
"summary": "Echo reply on the default network",
"evidence": {
"default": "reply type=0 rtt_ms=27.2 bytes=22 target=1.1.1.1",
"net.cellular": "reply type=0 rtt_ms=201.0 bytes=22 target=1.1.1.1",
"net.wifi": "reply type=0 rtt_ms=19.7 bytes=22 target=1.1.1.1"
},
"durationMs": 250
},
{
"id": "icmp.ping6",
"title": "ICMPv6 echo (unprivileged datagram socket)",
"tier": "APP",
"verdict": "SUPPORTED",
"summary": "Echo reply on cellular only — default network has no v6 path",
"evidence": {
"default": "error: recvfrom failed: EAGAIN (Try again)",
"net.cellular": "reply type=129 rtt_ms=32.7 bytes=22 target=2606:4700:4700::1111",
"net.wifi": "error: recvfrom failed: EAGAIN (Try again)"
},
"durationMs": 6328
},
{
"id": "sockopt.matrix",
"title": "Socket options: TTL, RECVERR, MTU_DISCOVER (DF)",
"tier": "APP",
"verdict": "SUPPORTED",
"summary": "4/4 core sockopts accepted; IP_MTU read=false",
"evidence": {
"IP_TTL": "accepted (ttl=5)",
"IP_TOS/DSCP": "accepted (EF/46)",
"IP_RECVERR": "accepted",
"IP_MTU_DISCOVER=PROBE": "accepted (DF set)",
"IP_MTU(read)": "unreadable: android.system.Os.getsockoptInt [class java.io.FileDescriptor, int, int]"
},
"durationMs": 1
},
{
"id": "trace.errqueue_reachable",
"title": "Traceroute via IP_RECVERR + MSG_ERRQUEUE",
"tier": "APP",
"verdict": "SUPPORTED",
"summary": "Errqueue path fully reachable from Os API",
"evidence": {
"IP_RECVERR": "accepted",
"IP_TTL=1": "accepted",
"StructMsghdr": "true",
"Os.recvmsg": "true"
},
"durationMs": 1
},
{
"id": "traceroute.udp4",
"title": "UDP traceroute via MSG_ERRQUEUE (no root, no JNI)",
"tier": "APP",
"verdict": "SUPPORTED",
"summary": "6 hop(s) read via errqueue — no native shim needed",
"evidence": {
"recvmsg_api": "StructMsghdr + Os.recvmsg via reflection",
"target": "1.1.1.1",
"hop.1": "10.13.102.1 icmp type=11 origin=2 ~41 ms",
"hop.2": "178.191.103.254 icmp type=11 origin=2 ~41 ms",
"hop.3": "195.3.76.32 icmp type=11 origin=2 ~41 ms",
"hop.4": "195.3.64.153 icmp type=11 origin=2 ~41 ms",
"hop.5": "172.68.48.30 icmp type=11 origin=2 ~41 ms",
"hop.6": "172.68.48.61 icmp type=11 origin=2 ~41 ms"
},
"durationMs": 249
},
{
"id": "multinetwork.request_and_bind",
"title": "Concurrent per-network binding (Wi-Fi / cellular / ethernet)",
"tier": "APP",
"verdict": "SUPPORTED",
"summary": "2 transport(s) acquired and bound (only currently-present links can bind)",
"evidence": {
"wifi": "network acquired; bindSocket=ok; downKbps=39094",
"cellular": "network acquired; bindSocket=ok; downKbps=13231",
"ethernet": "no network within 4s"
},
"durationMs": 4018
},
{
"id": "local.mdns_discover",
"title": "Multicast reception (MulticastLock + mDNS/NSD)",
"tier": "APP",
"verdict": "SUPPORTED",
"summary": "mDNS discovery ran; 4 service(s)/type(s) seen across 3 queries",
"evidence": {
"multicast_lock": "acquired",
"meta.started": "true",
"meta.found": "0",
"meta.type": "_services._dns-sd._udp.",
"http.started": "true",
"http.found": "4",
"http.names": "Magic 2 LAN 1-1, Magic 2 LAN triple #4, Magic 2 LAN triple #5, EPSON WF-7840 Series",
"http.type": "_http._tcp.",
"googlecast.started": "true",
"googlecast.found": "0",
"googlecast.type": "_googlecast._tcp."
},
"durationMs": 10004
},
{
"id": "peer.ble_advertise",
"title": "BLE peripheral advertising (peer-mode control channel)",
"tier": "APP",
"verdict": "SUPPORTED",
"summary": "Advertising start: success",
"evidence": {
"FEATURE_BLUETOOTH_LE": "true",
"adapter_enabled": "true",
"multi_advertisement_supported": "true",
"startAdvertising": "success"
},
"durationMs": 24
},
{
"id": "shizuku.command_battery",
"title": "Shizuku shell tier (ip neigh / route / dumpsys network_stack)",
"tier": "SHIZUKU",
"verdict": "SUPPORTED",
"summary": "Shizuku runs as shell(2000); 7/7 commands returned data",
"evidence": {
"binder_alive": "true",
"version": "13",
"runs_as": "shell(2000)",
"permission": "true",
"id": "uid=2000\nuid=2000(shell) gid=2000(shell) groups=2000(shell),1004(input),1007(log),1011(adb),1015(sdcard_rw),1028(sdcard_r),1078(ext_data_rw),1079(ext_obb_rw),3001(net_bt_admin),3002(net_bt),3003(inet),3006(net_bw_stats),3009(readproc),3011(uhid),3012(readtracefs) context=u:r:shell:s0",
"ip_neigh": "uid=2000\n10.13.102.111 dev wlan0 FAILED\n10.13.102.50 dev wlan0 lladdr 50:57:9c:4f:7a:3c STALE\n10.13.102.31 dev wlan0 lladdr 98:5f:d3:f6:f1:75 STALE\n10.13.102.116 dev wlan0 lladdr 0c:08:b4:03:68:0e STALE\n10.13.102.5 dev wlan0 lladdr 90:09:d0:1a:83:e4 REACHABLE\n10.13.102.1 dev wlan0 lladdr 78:9a:18:54:b8:f9 REACHABLE\n10.13.102.21 dev wlan0 lladdr c8:7f:54:01:94:7c REACHABLE\nfe80::babe:f4ff:febc:caf9 dev wlan0 lladdr b8:be:f4:bc:ca:f9 REACHABLE\nfe80::7a9a:18ff:fe54:b8f9 dev wlan0 lladdr 78:9a:18:54:b8:f9 router STALE\nfe80::babe:f4ff:febc:cacf dev wlan0 lladdr b8:be:f4:bc:ca:cf REACHABLE\nfe80::babe:f4ff:fec2:bf14 dev wlan0 lladdr b8:be:f4:c2:bf:14 REACHABLE",
"ip6_route": "uid=2000\nfe80::/64 dev wlan0 table 1028 proto kernel metric 256 pref medium\nfe80::/64 dev wlan0 table 1028 proto static metric 1024 pref medium\ndefault via fe80::7a9a:18ff:fe54:b8f9 dev wlan0 table 1028 proto ra metric 1024 expires 1691sec pref medium\nfe80::/64 dev vgate0 table 1031 proto kernel metric 256 pref medium\n2001:4bb8:417:bd78::/64 dev rmnet_data4 table 1032 proto kernel metric 256 pref medium\n2001:4bb8:417:bd78::/64 dev rmnet_data4 table 1032 proto static metric 1024 pref medium\nfe80::/64 dev rmnet_data4 table 1032 proto kernel metric 256 pref medium\ndefault via fe80::246f:12be:21ef:1b54 dev rmnet_data4 table 1032 proto ra metric 1024 expires 58829sec hoplimit 255 pref medium\n2001:4bb8:2fb:fe4c::/64 dev rmnet_data1 table 1000000021 proto static metric 1024 pref medium\nfe80::/64 dev wlan0 table 1000000028 proto static metric 1024 pref medium\n2001:4bb8:417:bd78::/64 dev rmnet_data4 table 1000000032 proto static metric 1024 pref medium\nfe80::/64 dev dummy0 table 1002 proto kernel metric 256 pref medium\ndefault dev dummy0 table 1002 proto static metric 1024 pref medium\nfe80::/64 dev ifb0 table 1003 proto kernel metric 256 pref medium\nfe80::/64 dev ifb1 table 1004 proto kerne",
"ip_addr": "uid=2000\n1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000\n link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00\n inet 127.0.0.1/8 scope host lo\n valid_lft forever preferred_lft forever\n inet6 ::1/128 scope host \n valid_lft forever preferred_lft forever\n2: dummy0: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default qlen 1000\n link/ether be:3d:e2:93:78:b9 brd ff:ff:ff:ff:ff:ff\n inet6 fe80::bc3d:e2ff:fe93:78b9/64 scope link \n valid_lft forever preferred_lft forever\n3: ifb0: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc htb state UNKNOWN group default qlen 1000\n link/ether ba:6e:46:b5:3d:bb brd ff:ff:ff:ff:ff:ff\n inet6 fe80::b86e:46ff:feb5:3dbb/64 scope link \n valid_lft forever preferred_lft forever\n4: ifb1: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc htb state UNKNOWN group default qlen 1000\n link/ether d6:2a:e2:f5:93:8f brd ff:ff:ff:ff:ff:ff\n inet6 fe80::d42a:e2ff:fef5:938f/64 scope link \n valid_lft forever preferred_lft forever\n5: tunl0@NONE: <NOARP> mtu 1480 qdisc noop state DOWN group default qlen 1000\n link/ipip 0.0.0.0 brd 0.0.0.0\n6: gre0@NONE: <NO",
"ip_monitor": "uid=2000",
"dhcp_log": "uid=2000\nRecently active IpClient logs:\nIpClient.wlan0\n IpClient.wlan0 APF dump:\n Capabilities: { apfVersionSupported: 6000, maximumApfProgramSize: 4096 }\n InstallableProgramSizeClamp: 2147483647\n--\n IpClient.wlan0 current ProvisioningConfiguration:\n ProvisioningConfiguration{mUniqueEui64AddressesOnly: false, mEnablePreconnection: false, mUsingMultinetworkPolicyTracker: true, mUsingIpReachabilityMonitor: true, mRequestedPreDhcpActionMs: 18000, mInitialConfig: null, mStaticIpConfig: null, mApfCapabilities: ApfCapabilities{version: 6000, maxSize: 4096, format: 1}, mProvisioningTimeoutMs: 18000, mIPv6AddrGenMode: 0, mNetwork: 171, mDisplayName: \"hudeWLAN\", mCreatorUid:1000, mScanResultInfo: SSID: hudeWLAN, BSSID: 24:5a:4c:5f:58:c5, Information Elements: {[ID: 0, [104, 117, 100, 101, 87, 76, 65, 78]][ID: 1, [-126, -124, -117, -106, 18, 36, 72, 108]][ID: 3, [6]][ID: 42, [0]][ID: 50, [12, 24, 48, 96]][ID: 45, [-83, 1, 23, -1, -1, -1, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 24, 4, -121, 25, 0]][ID: 61, [6, 0, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]][ID: 48, [1, 0, 0, 15, -84, 4, 1, 0, 0, 15, -84, 4, 1, 0, 0, 15, -84, 2, 0, 0]][ID: 127, [0, 0, 8, -128, ",
"wifi_dump": "uid=2000\n rec[9]: time=07-30 13:13:22.418 processed=L2ConnectedState org=L3ConnectedState dest=<null> what=CMD_POST_DHCP_ACTION screen=off v4 v4r v4dns v6r\n rec[10]: time=07-30 13:13:22.423 processed=L2ConnectedState org=L3ConnectedState dest=<null> what=CMD_IPV4_PROVISIONING_SUCCESS screen=off DhcpResultsParcelable{baseConfiguration: IP address 10.13.102.122/24 Gateway 10.13.102.1 DNS servers: [ 10.13.102.1 ] Domains hudelist.local, leaseDuration: 600, mtu: 0, serverAddress: 10.13.102.1, vendorInfo: null, serverHostName: , captivePortalApiUrl: null}\n rec[11]: time=07-30 13:13:22.429 processed=ConnectableState org=L3ConnectedState dest=<null> what=CMD_UPDATE_LINKPROPERTIES screen=off 17 0 v4 v4r v4dns v6r\n rec[12]: time=07-30 13:13:47.713 processed=ConnectableState org=L3ConnectedState dest=<null> what=CMD_INSTALL_PACKET_FILTER screen=off len=1597\n--\n rec[43]: time=07-30 13:18:22.495 processed=L2ConnectedState org=L3ConnectedState dest=<null> what=CMD_POST_DHCP_ACTION screen=off v4 v4r v4dns v6r\n rec[44]: time=07-30 13:18:22.499 processed=L2ConnectedState org=L3ConnectedState dest=<null> what=CMD_IPV4_PROVISIONING_SUCCESS screen=off DhcpResultsParcelable{baseConfiguration: IP addr"
},
"durationMs": 5846
}
]
}
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