java-topology/tools/scans/v8.sh
russell@unturf.com db29a08762 undefect. CWE-407 — 92 sites, 42 ecosystems
B&W print-friendly diagrams + tinkerpop-0001 + wave-3 proof sections.
Squash of 94 local commits onto remote master.
2026-03-26 19:48:18 -04:00

23 lines
1.1 KiB
Bash
Executable file

#!/usr/bin/env bash
# CWE-407 scan — V8 JavaScript engine (compiler, CFG, register allocator)
set -euo pipefail
echo "# scan=v8 host=$(hostname) date=$(date -u +%Y-%m-%dT%H:%M:%SZ)"
cd /tmp && git clone --depth 1 https://chromium.googlesource.com/v8/v8 v8 2>&1 | tail -1
GRAPH_KW="topolog|scc\b|strongly.connected|cycle|dfs\b|postorder|dominator|liveness|reachab|tarjan|register.alloc|graph"
C_MEM='std::find[(]|\.Contains[(]|IsInSet\b|vector.*find\b|linear_search|ZoneVector.*Contains|NodeVector.*find|std::count[(]'
for dir in src/compiler src/codegen src/interpreter; do
[ -d /tmp/v8/$dir ] || continue
echo "# roots: /tmp/v8/$dir"
find /tmp/v8/$dir -name "*.cc" -o -name "*.h" 2>/dev/null | sort | while IFS= read -r f; do
gl=$(grep -inE "$GRAPH_KW" "$f" 2>/dev/null | cut -d: -f1 | head -5 || true)
[ -z "$gl" ] && continue
while IFS= read -r ln; do
s=$(( ln > 20 ? ln - 20 : 1 )); e=$(( ln + 20 ))
hit=$(sed -n "${s},${e}p" "$f" 2>/dev/null | grep -iE "$C_MEM" | head -1 | sed 's/^\s*//' || true)
[ -n "$hit" ] && echo "CANDIDATE ${f}:${ln} ${hit}"
done <<< "$gl"
done
done
echo "# scan complete"