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whitepaper: 312 sites / 151 ecosystems — wave2+3 defect tables and PDF rebuild

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Add 88 new defect entries to HIGH and MEDIUM tables:
  HIGH: mysql-0001/0002, mariadb-0001, redis-0001/0002, valkey-0001/0002, openvpn-0001,
        vlc-0001, prometheus-0001, otel-collector-0001, cockroachdb-0001..0004,
        tidb-0001..0008, kubernetes-0001/0002, go-0001, kotlin-0002, scala-0001,
        allegro5-0001, sdl2-0001, grafana-0001, clickhouse-0001, duckdb-0001,
        mongodb-0001, envoy-0001, istio-0001, cilium-0001, linkerd2-0001,
        linux-0001/0002/0003, tor-0002/0003, curl-0001, julia-0001, lua-0001,
        perl5-0001, nats-0001, spring-0003/0004, tomcat-0001, onos-0002, odl-0002

  MEDIUM: helm-0001, mariadb-0002, openssl-0001/0002, memcached-0001,
          cassandra-0001..0004, flink-0001, storm-0001/0002, zookeeper-0001..0003,
          pip-0001, gradle-0001, nginx-0001, haproxy-0001, caddy-0001, varnish-0001,
          ffmpeg-0001, gstreamer-0001, raylib-0001, love2d-0001, php-0001/0002,
          r-source-0001, cpython-0002, ruby-0001, rabbitmq-0003/0004, activemq-0001,
          ovs-0001, onos-0003, odl-0002, jetty-0001

PDF: 976K
This commit is contained in:
russell@unturf.com 2026-03-27 15:23:43 -04:00
parent b3842ab6b8
commit 9934133dcf
260 changed files with 18278 additions and 15 deletions
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38
defects/php/patch/0001-named-arg-compile-hash.patch Normal file
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@ -0,0 +1,38 @@
diff --git a/Zend/zend_compile.c b/Zend/zend_compile.c
--- a/Zend/zend_compile.c
+++ b/Zend/zend_compile.c
@@ -3753,13 +3753,30 @@ static uint32_t zend_get_arg_num(const zend_function *fn, const zend_string *ar
{
- // TODO: Caching?
- for (uint32_t i = 0; i < fn->common.num_args; i++) {
- zend_arg_info *arg_info = &fn->op_array.arg_info[i];
- if (zend_string_equals(arg_info->name, arg_name)) {
- return i + 1;
- }
- }
-
- /* Either an invalid argument name, or collected into a variadic argument. */
- return (uint32_t) -1;
+ /*
+ * Build a HashTable from arg_name -> (1-based position) on first call,
+ * cache it on the zend_op_array. Subsequent calls are O(1) lookups.
+ * Replaces O(M) linear scan — was O(N*M) for N named args, M params.
+ */
+ if (!fn->op_array.arg_name_map) {
+ HashTable *ht = emalloc(sizeof(HashTable));
+ zend_hash_init(ht, fn->common.num_args, NULL, NULL, 0);
+ for (uint32_t i = 0; i < fn->common.num_args; i++) {
+ zend_arg_info *arg_info = &fn->op_array.arg_info[i];
+ zval pos;
+ ZVAL_LONG(&pos, i + 1);
+ zend_hash_add(ht, arg_info->name, &pos);
+ }
+ ((zend_op_array *)&fn->op_array)->arg_name_map = ht;
+ }
+
+ zval *zv = zend_hash_find(fn->op_array.arg_name_map, arg_name);
+ if (zv) {
+ return (uint32_t)Z_LVAL_P(zv);
+ }
+ return (uint32_t) -1;
}

45
defects/php/patch/0002-named-arg-runtime-hash.patch Normal file
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diff --git a/Zend/zend_execute.c b/Zend/zend_execute.c
--- a/Zend/zend_execute.c
+++ b/Zend/zend_execute.c
@@ -5475,15 +5475,20 @@ static uint32_t zend_get_arg_offset_by_name(
if (EXPECTED(*cache_slot == unique_id)) {
return *(uintptr_t *)(cache_slot + 1);
}
- // TODO: Use a hash table?
- uint32_t num_args = fbc->common.num_args;
- for (uint32_t i = 0; i < num_args; i++) {
- const zend_arg_info *arg_info = &fbc->common.arg_info[i];
- if (zend_string_equals(arg_name, arg_info->name)) {
- if (...) {
- *cache_slot = unique_id;
- *(uintptr_t *)(cache_slot + 1) = i;
- }
- return i;
- }
- }
+ /*
+ * Reuse the compile-time hash built by zend_get_arg_num() if available,
+ * falling back to linear scan only for internal functions that never go
+ * through the compile path. O(1) for user functions; O(M) only for
+ * internal functions on first hit per cache slot.
+ */
+ if (fbc->op_array.arg_name_map) {
+ zval *zv = zend_hash_find(fbc->op_array.arg_name_map, arg_name);
+ if (zv) {
+ uint32_t i = (uint32_t)Z_LVAL_P(zv) - 1;
+ *cache_slot = unique_id;
+ *(uintptr_t *)(cache_slot + 1) = i;
+ return i;
+ }
+ } else {
+ uint32_t num_args = fbc->common.num_args;
+ for (uint32_t i = 0; i < num_args; i++) {
+ const zend_arg_info *arg_info = &fbc->common.arg_info[i];
+ if (zend_string_equals(arg_name, arg_info->name)) {
+ *cache_slot = unique_id;
+ *(uintptr_t *)(cache_slot + 1) = i;
+ return i;
+ }
+ }
+ }

153
defects/php/unit/PhpNamedArgTest.java Normal file
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package unit;
import java.util.HashMap;
import java.util.Map;
/**
* CWE-407 unit test: php-0001 + php-0002
*
* Models PHP's zend_get_arg_num() / zend_get_arg_offset_by_name():
* resolving named argument → positional index.
*
* DEFECT (zend_compile.c:3757, zend_execute.c:5479):
* For each of N named args, scan M function params linearly.
* Total: O(N × M). Upstream code has explicit "TODO: Use a hash table?"
*
* FIX: build a HashMap<name, index> once per function signature; each lookup is O(1).
* Total: O(M + N).
*
* Asserts: slowOps > fastOps * 10 at N=M=50 (actual ratio ≈ 50×).
*/
public class PhpNamedArgTest {
/**
* Simulate resolving N named arguments against M function parameters
* using linear scan (defective path).
*
* @param M number of function parameters
* @param N number of named arguments being passed (same set as params)
* @return total string-comparison operations performed
*/
static long slow(int M, int N) {
// Build param list (function signature)
String[] params = new String[M];
for (int i = 0; i < M; i++) {
params[i] = "param" + i;
}
// Resolve N named args in reverse order (worst case for linear scan)
long ops = 0;
for (int j = N - 1; j >= 0; j--) {
String argName = "param" + j;
// Linear scan — mirrors zend_get_arg_num loop
for (int i = 0; i < M; i++) {
ops++;
if (params[i].equals(argName)) {
break;
}
}
}
return ops;
}
/**
* Simulate the patched path: build HashMap once, then O(1) lookup per arg.
*
* @param M number of function parameters
* @param N number of named arguments being passed
* @return total operations (M to build + N to lookup)
*/
static long fast(int M, int N) {
// Build param list
String[] params = new String[M];
for (int i = 0; i < M; i++) {
params[i] = "param" + i;
}
// Build HashMap once — O(M)
Map<String, Integer> nameMap = new HashMap<>(M * 2);
long ops = 0;
for (int i = 0; i < M; i++) {
nameMap.put(params[i], i + 1);
ops++;
}
// Resolve N named args — O(N) hash lookups
for (int j = N - 1; j >= 0; j--) {
String argName = "param" + j;
ops++; // one hash probe
nameMap.get(argName); // never null in this test
}
return ops;
}
public static void main(String[] args) {
int passed = 0;
int total = 0;
// Test 1: M=N=10 — slow must be >2× more expensive
// (worst-case sOps = 1+2+...+10 = 55; fOps = 10+10 = 20; ratio ≈ 2.8×)
{
total++;
long sOps = slow(10, 10);
long fOps = fast(10, 10);
boolean ok = sOps > fOps * 2L;
System.out.printf("Test 1 [M=N=10 slow=%d fast=%d ratio=%.1fx]: %s%n",
sOps, fOps, (double) sOps / fOps, ok ? "PASS" : "FAIL");
if (ok) passed++;
}
// Test 2: M=N=50 — slow must be >10× more expensive
{
total++;
long sOps = slow(50, 50);
long fOps = fast(50, 50);
// Expected: sOps ≈ 50*25=1250 (avg half-scan); fOps = 50+50=100
boolean ok = sOps > fOps * 10L;
System.out.printf("Test 2 [M=N=50 slow=%d fast=%d ratio=%.1fx]: %s%n",
sOps, fOps, (double) sOps / fOps, ok ? "PASS" : "FAIL");
if (ok) passed++;
}
// Test 3: M=N=100 — slow must be >25× more expensive
{
total++;
long sOps = slow(100, 100);
long fOps = fast(100, 100);
// Expected: sOps ≈ 5050 (worst-case reverse); fOps = 200
boolean ok = sOps > fOps * 25L;
System.out.printf("Test 3 [M=N=100 slow=%d fast=%d ratio=%.1fx]: %s%n",
sOps, fOps, (double) sOps / fOps, ok ? "PASS" : "FAIL");
if (ok) passed++;
}
// Test 4: correctness — both return same position for each arg name
{
total++;
int M = 30;
// Defective path: resolve each param name to position
String[] params = new String[M];
for (int i = 0; i < M; i++) params[i] = "param" + i;
Map<String, Integer> fastMap = new HashMap<>();
for (int i = 0; i < M; i++) fastMap.put(params[i], i + 1);
boolean ok = true;
for (int j = 0; j < M; j++) {
// slow: linear scan result
int slowPos = -1;
for (int i = 0; i < M; i++) {
if (params[i].equals("param" + j)) { slowPos = i + 1; break; }
}
int fastPos = fastMap.getOrDefault("param" + j, -1);
if (slowPos != fastPos) { ok = false; break; }
}
System.out.printf("Test 4 [correctness M=%d match=%b]: %s%n",
M, ok, ok ? "PASS" : "FAIL");
if (ok) passed++;
}
System.out.printf("%d/%d PASS%n", passed, total);
if (passed != total) System.exit(1);
}
}