Update NSS to 3.38

- Added HACL*Poly1305 32-bit (INRIA/Microsoft)
- Updated to final TLS 1.3 draft version (28)
- Removed TLS 1.3 prerelease draft limit check
- Removed NPN code
- Enabled dev/urandom-only RNG on Linux with NSS_SEED_ONLY_DEV_URANDOM for non-standard environments
- Fixed several bugs with TLS 1.3 negotiation
- Updated internal certificate store
- Added support for the TLS Record Size Limit Extension.
- Fixed CVE-2018-0495
- Various security fixes in the ASN.1 code.

security/nss/automation/taskcluster/graph/src/extend.js

@@ -995,13 +995,13 @@ async function scheduleTools() {
   }));
 
   queue.scheduleTask(merge(base, {
-    symbol: "scan-build-5.0",
-    name: "scan-build-5.0",
-    image: LINUX_IMAGE,
+    symbol: "scan-build",
+    name: "scan-build",
+    image: FUZZ_IMAGE,
     env: {
       USE_64: "1",
-      CC: "clang-5.0",
-      CCC: "clang++-5.0",
+      CC: "clang",
+      CCC: "clang++",
     },
     artifacts: {
       public: {
@@ -1092,5 +1092,17 @@ async function scheduleTools() {
     ]
   }));
 
+  queue.scheduleTask(merge(base, {
+    symbol: "Coverage",
+    name: "Coverage",
+    image: FUZZ_IMAGE,
+    features: ["allowPtrace"],
+    command: [
+      "/bin/bash",
+      "-c",
+      "bin/checkout.sh && nss/automation/taskcluster/scripts/gen_coverage_report.sh"
+    ]
+  }));
+
   return queue.submit();
 }

security/nss/automation/taskcluster/graph/src/try_syntax.js

@@ -51,7 +51,7 @@ function parseOptions(opts) {
   }
 
   // Parse tools.
-  let allTools = ["clang-format", "scan-build", "hacl", "saw", "abi"];
+  let allTools = ["clang-format", "scan-build", "hacl", "saw", "abi", "coverage"];
   let tools = intersect(opts.tools.split(/\s*,\s*/), allTools);
 
   // If the given value is "all" run all tools.