2026-10-21T12:21:05.655007234Z Current runner version: 'v0.5.0'
2026-10-21T12:21:05.658089054Z ##[group]GITHUB_TOKEN Permissions
2026-10-21T12:21:05.658111212Z Contents: read
2026-10-21T12:21:05.65811498Z Metadata: read
2026-10-21T12:21:05.658117058Z Packages: read
2026-10-21T12:21:05.658119001Z ##[endgroup]
2026-10-21T12:21:05.65812145Z Secret source: Actions
2026-10-21T12:21:05.65812366Z Cache mode: write
2026-10-21T12:21:05.658125488Z Prepare workflow directory
2026-10-21T12:21:05.658751588Z Prepare all required actions
2026-10-21T12:21:05.658854087Z Complete job name: dns
2026-10-21T12:21:05.660138136Z ##[group]Run cat > /tmp/probe.py <<'EOF'
2026-10-21T12:21:05.660153485Z cat > /tmp/probe.py <<'EOF'
2026-10-21T12:21:05.660158668Z import random, socket, struct, time
2026-10-21T12:21:05.66016321Z 
2026-10-21T12:21:05.660165322Z NS = ("10.200.0.1", 53)
2026-10-21T12:21:05.660167122Z 
2026-10-21T12:21:05.660171048Z def query(name, qtype, edns):
2026-10-21T12:21:05.660172946Z     qid = random.randint(0, 65535)
2026-10-21T12:21:05.660174879Z     q = struct.pack(">HHHHHH", qid, 0x0100, 1, 0, 0, 1 if edns else 0)
2026-10-21T12:21:05.660179558Z     for label in name.split("."):
2026-10-21T12:21:05.660181496Z         q += bytes([len(label)]) + label.encode()
2026-10-21T12:21:05.660186071Z     q += b"\x00" + struct.pack(">HH", qtype, 1)
2026-10-21T12:21:05.660188147Z     if edns:
2026-10-21T12:21:05.660190038Z         q += b"\x00" + struct.pack(">HHIH", 41, edns, 0, 0)
2026-10-21T12:21:05.660194348Z     return q
2026-10-21T12:21:05.660196243Z 
2026-10-21T12:21:05.660197988Z def show(tag, r, t):
2026-10-21T12:21:05.660199727Z     flags, an = struct.unpack(">H", r[2:4])[0], struct.unpack(">H", r[6:8])[0]
2026-10-21T12:21:05.660201602Z     print(f"{tag}: {len(r)} bytes, rcode={flags & 0xF}, tc={(flags >> 9) & 1}, answers={an}, {t:.0f} ms")
2026-10-21T12:21:05.660204329Z 
2026-10-21T12:21:05.660210306Z def udp(name, qtype, edns):
2026-10-21T12:21:05.660223857Z     s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
2026-10-21T12:21:05.660227135Z     s.settimeout(4)
2026-10-21T12:21:05.660228953Z     t = time.time()
2026-10-21T12:21:05.660230664Z     s.sendto(query(name, qtype, edns), NS)
2026-10-21T12:21:05.660232444Z     try:
2026-10-21T12:21:05.660234177Z         show(f"udp {name} type={qtype} edns={edns}", s.recv(65535), (time.time() - t) * 1000)
2026-10-21T12:21:05.660236199Z     except Exception as e:
2026-10-21T12:21:05.660237922Z         print(f"udp {name} type={qtype} edns={edns}: {e!r}")
2026-10-21T12:21:05.660239794Z 
2026-10-21T12:21:05.660241435Z def tcp(name, qtype):
2026-10-21T12:21:05.660243057Z     q = query(name, qtype, 0)
2026-10-21T12:21:05.660244736Z     s = socket.create_connection(NS, timeout=4)
2026-10-21T12:21:05.660246446Z     t = time.time()
2026-10-21T12:21:05.660248112Z     s.sendall(struct.pack(">H", len(q)) + q)
2026-10-21T12:21:05.660250006Z     try:
2026-10-21T12:21:05.660251827Z         n = struct.unpack(">H", s.recv(2))[0]
2026-10-21T12:21:05.66025357Z         r = b""
2026-10-21T12:21:05.660255783Z         while len(r) < n:
2026-10-21T12:21:05.660257683Z             r += s.recv(n - len(r))
2026-10-21T12:21:05.660259322Z         show(f"tcp {name} type={qtype}", r, (time.time() - t) * 1000)
2026-10-21T12:21:05.660261158Z     except Exception as e:
2026-10-21T12:21:05.660263127Z         print(f"tcp {name} type={qtype}: {e!r}")
2026-10-21T12:21:05.660264862Z 
2026-10-21T12:21:05.660266574Z for name in ["storage.googleapis.com", "cdn.playwright.dev", "github.com"]:
2026-10-21T12:21:05.660268452Z     for qtype in (1, 28):
2026-10-21T12:21:05.660272903Z         for edns in (0, 1232):
2026-10-21T12:21:05.660278254Z             udp(name, qtype, edns)
2026-10-21T12:21:05.660283255Z     tcp(name, 1)
2026-10-21T12:21:05.660285262Z EOF
2026-10-21T12:21:05.660286889Z python3 /tmp/probe.py
2026-10-21T12:21:05.660288584Z for i in 1 2; do getent ahostsv4 storage.googleapis.com | head -1 || echo "getent failed"; done
2026-10-21T12:21:05.66030136Z echo "options edns0" | sudo tee -a /etc/resolv.conf
2026-10-21T12:21:05.660304396Z for i in 1 2; do getent ahostsv4 storage.googleapis.com | head -1 || echo "getent failed"; done
2026-10-21T12:21:05.660335774Z shell: /usr/bin/bash -e {0}
2026-10-21T12:21:05.660343624Z ##[endgroup]
2026-10-21T12:21:08.816941474Z udp storage.googleapis.com type=1 edns=0: 12 bytes, rcode=2, tc=0, answers=0, 3001 ms
2026-10-21T12:21:08.816977748Z udp storage.googleapis.com type=1 edns=1232: 291 bytes, rcode=0, tc=0, answers=15, 2 ms
2026-10-21T12:21:08.816981311Z udp storage.googleapis.com type=28 edns=0: 152 bytes, rcode=0, tc=0, answers=4, 1 ms
2026-10-21T12:21:08.816983571Z udp storage.googleapis.com type=28 edns=1232: 163 bytes, rcode=0, tc=0, answers=4, 1 ms
2026-10-21T12:21:08.816985752Z tcp storage.googleapis.com type=1: 280 bytes, rcode=0, tc=0, answers=15, 4 ms
2026-10-21T12:21:08.816988471Z udp cdn.playwright.dev type=1 edns=0: 141 bytes, rcode=0, tc=0, answers=3, 35 ms
2026-10-21T12:21:08.816990726Z udp cdn.playwright.dev type=1 edns=1232: 152 bytes, rcode=0, tc=0, answers=3, 2 ms
2026-10-21T12:21:08.816992851Z udp cdn.playwright.dev type=28 edns=0: 153 bytes, rcode=0, tc=0, answers=3, 13 ms
2026-10-21T12:21:08.816994772Z udp cdn.playwright.dev type=28 edns=1232: 164 bytes, rcode=0, tc=0, answers=3, 2 ms
2026-10-21T12:21:08.816996578Z tcp cdn.playwright.dev type=1: 141 bytes, rcode=0, tc=0, answers=3, 4 ms
2026-10-21T12:21:08.816998587Z udp github.com type=1 edns=0: 44 bytes, rcode=0, tc=0, answers=1, 13 ms
2026-10-21T12:21:08.817001147Z udp github.com type=1 edns=1232: 55 bytes, rcode=0, tc=0, answers=1, 2 ms
2026-10-21T12:21:08.817003108Z udp github.com type=28 edns=0: 93 bytes, rcode=0, tc=0, answers=0, 15 ms
2026-10-21T12:21:08.817005093Z udp github.com type=28 edns=1232: 104 bytes, rcode=0, tc=0, answers=0, 13 ms
2026-10-21T12:21:08.817007196Z tcp github.com type=1: 44 bytes, rcode=0, tc=0, answers=1, 4 ms
2026-10-21T12:21:14.841494295Z options edns0
2026-10-21T12:21:14.845569783Z 172.217.22.91   STREAM storage.googleapis.com
2026-10-21T12:21:14.848159726Z 172.217.20.59   STREAM storage.googleapis.com
2026-10-21T12:21:14.848320646Z Cleaning up orphan processes