Update NSS to 3.36.4-RTM

12 files changed, 377 insertions, 30 deletions

diff --git a/security/nss/automation/taskcluster/docker-hacl/Dockerfile b/security/nss/automation/taskcluster/docker-hacl/Dockerfile
index e8a88f06c..63f9a24e2 100644
--- a/security/nss/automation/taskcluster/docker-hacl/Dockerfile
+++ b/security/nss/automation/taskcluster/docker-hacl/Dockerfile
@@ -5,11 +5,11 @@ MAINTAINER Franziskus Kiefer <franziskuskiefer@gmail.com>
 # the original F* formula with Daniel Fabian
 
 # Pinned versions of HACL* (F* and KreMLin are pinned as submodules)
-ENV haclrepo https://github.com/mitls/hacl-star.git
+ENV haclrepo https://github.com/franziskuskiefer/hacl-star.git
 
 # Define versions of dependencies
 ENV opamv 4.04.2
-ENV haclversion dcd48329d535727dbde93877b124c5ec4a7a2b20
+ENV haclversion 668d6cf274c33bbe2e951e3a84b73f2b6442a51f
 
 # Install required packages and set versions
 ADD setup.sh /tmp/setup.sh
diff --git a/security/nss/automation/taskcluster/docker-saw/Dockerfile b/security/nss/automation/taskcluster/docker-saw/Dockerfile
new file mode 100644
index 000000000..a481ba048
--- /dev/null
+++ b/security/nss/automation/taskcluster/docker-saw/Dockerfile
@@ -0,0 +1,46 @@
+FROM ubuntu:latest
+MAINTAINER Tim Taubert <ttaubert@mozilla.com>
+
+RUN useradd -d /home/worker -s /bin/bash -m worker
+WORKDIR /home/worker
+
+ENV DEBIAN_FRONTEND noninteractive
+
+RUN apt-get update && apt-get install -y \
+    binutils \
+    build-essential \
+    bzip2 \
+    clang-3.8 \
+    curl \
+    gcc-multilib \
+    g++-multilib \
+    gyp \
+    lib32z1-dev \
+    mercurial \
+    ninja-build \
+    unzip \
+    zlib1g-dev
+
+# Add missing LLVM plugin for gold linker.
+ADD LLVMgold.so.zip /usr/lib/llvm-3.8/lib/LLVMgold.so.zip
+RUN unzip /usr/lib/llvm-3.8/lib/LLVMgold.so.zip -d /usr/lib/llvm-3.8/lib/
+
+# Install SAW/Cryptol.
+RUN curl -LO https://saw.galois.com/builds/nightly/saw-0.2-2018-01-14-Ubuntu14.04-64.tar.gz && \
+    tar xzvf saw-*.tar.gz -C /usr/local --strip-components=1 && \
+    rm saw-*.tar.gz
+
+# Install Z3.
+RUN curl -LO https://github.com/Z3Prover/z3/releases/download/z3-4.6.0/z3-4.6.0-x64-ubuntu-16.04.zip && \
+    unzip z3*.zip && \
+    cp -r z3*/* /usr/local/ && \
+    rm -fr z3*
+
+ADD bin /home/worker/bin
+RUN chmod +x /home/worker/bin/*
+
+# Change user.
+USER worker
+
+# Set a default command useful for debugging
+CMD ["/bin/bash", "--login"]
diff --git a/security/nss/automation/taskcluster/docker-saw/LLVMgold.so.zip b/security/nss/automation/taskcluster/docker-saw/LLVMgold.so.zip
new file mode 100644
index 000000000..b5e5a593d
--- /dev/null
+++ b/security/nss/automation/taskcluster/docker-saw/LLVMgold.so.zip
diff --git a/security/nss/automation/taskcluster/docker-saw/bin/checkout.sh b/security/nss/automation/taskcluster/docker-saw/bin/checkout.sh
new file mode 100644
index 000000000..0cdd2ac40
--- /dev/null
+++ b/security/nss/automation/taskcluster/docker-saw/bin/checkout.sh
@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+
+set -v -e -x
+
+# Default values for testing.
+REVISION=${NSS_HEAD_REVISION:-default}
+REPOSITORY=${NSS_HEAD_REPOSITORY:-https://hg.mozilla.org/projects/nss}
+
+# Clone NSS.
+for i in 0 2 5; do
+    sleep $i
+    hg clone -r $REVISION $REPOSITORY nss && exit 0
+    rm -rf nss
+done
+exit 1
diff --git a/security/nss/automation/taskcluster/docker/setup.sh b/security/nss/automation/taskcluster/docker/setup.sh
index 01f9c413a..7b90b2e69 100644
--- a/security/nss/automation/taskcluster/docker/setup.sh
+++ b/security/nss/automation/taskcluster/docker/setup.sh
@@ -12,6 +12,7 @@ apt-get install -y --no-install-recommends apt-utils
 apt_packages=()
 apt_packages+=('build-essential')
 apt_packages+=('ca-certificates')
+apt_packages+=('clang-5.0')
 apt_packages+=('curl')
 apt_packages+=('npm')
 apt_packages+=('git')
@@ -47,16 +48,17 @@ echo "deb http://ppa.launchpad.net/ubuntu-toolchain-r/test/ubuntu xenial main" >
 apt-get -y update
 apt-get install -y --no-install-recommends ${apt_packages[@]}
 
-# Download clang.
-curl -LO https://releases.llvm.org/4.0.0/clang+llvm-4.0.0-x86_64-linux-gnu-ubuntu-16.04.tar.xz
-curl -LO https://releases.llvm.org/4.0.0/clang+llvm-4.0.0-x86_64-linux-gnu-ubuntu-16.04.tar.xz.sig
-# Verify the signature.
-gpg --keyserver pool.sks-keyservers.net --recv-keys B6C8F98282B944E3B0D5C2530FC3042E345AD05D
-gpg --verify *.tar.xz.sig
-# Install into /usr/local/.
-tar xJvf *.tar.xz -C /usr/local --strip-components=1
-# Cleanup.
-rm *.tar.xz*
+# Latest version of abigail-tools
+apt-get install -y libxml2-dev autoconf libelf-dev libdw-dev libtool
+git clone git://sourceware.org/git/libabigail.git
+cd ./libabigail
+autoreconf -fi
+./configure --prefix=/usr --disable-static --disable-apidoc --disable-manual
+make
+make install
+cd ..
+apt-get remove -y libxml2-dev autoconf libtool
+rm -rf libabigail
 
 # Install latest Rust (stable).
 su worker -c "curl https://sh.rustup.rs -sSf | sh -s -- -y"
diff --git a/security/nss/automation/taskcluster/graph/src/extend.js b/security/nss/automation/taskcluster/graph/src/extend.js
index 90e23ae60..ee9ac9b74 100644
--- a/security/nss/automation/taskcluster/graph/src/extend.js
+++ b/security/nss/automation/taskcluster/graph/src/extend.js
@@ -30,6 +30,11 @@ const HACL_GEN_IMAGE = {
   path: "automation/taskcluster/docker-hacl"
 };
 
+const SAW_IMAGE = {
+  name: "saw",
+  path: "automation/taskcluster/docker-saw"
+};
+
 const WINDOWS_CHECKOUT_CMD =
   "bash -c \"hg clone -r $NSS_HEAD_REVISION $NSS_HEAD_REPOSITORY nss || " +
     "(sleep 2; hg clone -r $NSS_HEAD_REVISION $NSS_HEAD_REPOSITORY nss) || " +
@@ -72,7 +77,8 @@ queue.filter(task => {
     }
   }
 
-  if (task.tests == "fips" && task.platform == "mac") {
+  if (task.tests == "fips" &&
+     (task.platform == "mac" || task.platform == "aarch64")) {
     return false;
   }
 
@@ -88,7 +94,7 @@ queue.filter(task => {
     }
   }
 
-  // Don't run additional hardware tests on ARM (we don't have anything there).
+  // Don't run all additional hardware tests on ARM.
   if (task.group == "Cipher" && task.platform == "aarch64" && task.env &&
       (task.env.NSS_DISABLE_PCLMUL == "1" || task.env.NSS_DISABLE_HW_AES == "1"
        || task.env.NSS_DISABLE_AVX == "1")) {
@@ -187,8 +193,8 @@ export default async function main() {
       UBSAN_OPTIONS: "print_stacktrace=1",
       NSS_DISABLE_ARENA_FREE_LIST: "1",
       NSS_DISABLE_UNLOAD: "1",
-      CC: "clang",
-      CCC: "clang++",
+      CC: "clang-5.0",
+      CCC: "clang++-5.0",
     },
     platform: "linux64",
     collection: "asan",
@@ -266,6 +272,18 @@ export default async function main() {
     }, aarch64_base)
   );
 
+  await scheduleLinux("Linux AArch64 (debug, make)",
+    merge({
+      env: {USE_64: "1"},
+      command: [
+         "/bin/bash",
+         "-c",
+         "bin/checkout.sh && nss/automation/taskcluster/scripts/build.sh"
+      ],
+      collection: "make",
+    }, aarch64_base)
+  );
+
   await scheduleMac("Mac (opt)", {collection: "opt"}, "--opt");
   await scheduleMac("Mac (debug)", {collection: "debug"});
 }
@@ -418,12 +436,12 @@ async function scheduleLinux(name, base, args = "") {
   // Extra builds.
   let extra_base = merge({group: "Builds"}, build_base);
   queue.scheduleTask(merge(extra_base, {
-    name: `${name} w/ clang-4.0`,
+    name: `${name} w/ clang-5.0`,
     env: {
-      CC: "clang",
-      CCC: "clang++",
+      CC: "clang-5.0",
+      CCC: "clang++-5.0",
     },
-    symbol: "clang-4.0"
+    symbol: "clang-5.0"
   }));
 
   queue.scheduleTask(merge(extra_base, {
@@ -895,6 +913,13 @@ function scheduleTests(task_build, task_cert, test_base) {
     env: {NSS_DISABLE_AVX: "1"}, group: "Cipher"
   }));
   queue.scheduleTask(merge(no_cert_base, {
+    name: "Cipher tests", symbol: "NoSSSE3|NEON", tests: "cipher",
+    env: {
+      NSS_DISABLE_ARM_NEON: "1",
+      NSS_DISABLE_SSSE3: "1"
+    }, group: "Cipher"
+  }));
+  queue.scheduleTask(merge(no_cert_base, {
     name: "EC tests", symbol: "EC", tests: "ec"
   }));
   queue.scheduleTask(merge(no_cert_base, {
@@ -946,6 +971,18 @@ async function scheduleTools() {
     kind: "test"
   };
 
+  //ABI check task
+  queue.scheduleTask(merge(base, {
+    symbol: "abi",
+    name: "abi",
+    image: LINUX_IMAGE,
+    command: [
+      "/bin/bash",
+      "-c",
+      "bin/checkout.sh && nss/automation/taskcluster/scripts/check_abi.sh"
+    ],
+  }));
+
   queue.scheduleTask(merge(base, {
     symbol: "clang-format-3.9",
     name: "clang-format-3.9",
@@ -958,13 +995,13 @@ async function scheduleTools() {
   }));
 
   queue.scheduleTask(merge(base, {
-    symbol: "scan-build-4.0",
-    name: "scan-build-4.0",
+    symbol: "scan-build-5.0",
+    name: "scan-build-5.0",
     image: LINUX_IMAGE,
     env: {
       USE_64: "1",
-      CC: "clang",
-      CCC: "clang++",
+      CC: "clang-5.0",
+      CCC: "clang++-5.0",
     },
     artifacts: {
       public: {
@@ -991,5 +1028,69 @@ async function scheduleTools() {
     ]
   }));
 
+  let task_saw = queue.scheduleTask(merge(base, {
+    symbol: "B",
+    group: "SAW",
+    name: "LLVM bitcode build (32 bit)",
+    image: SAW_IMAGE,
+    kind: "build",
+    env: {
+      AR: "llvm-ar-3.8",
+      CC: "clang-3.8",
+      CCC: "clang++-3.8"
+    },
+    artifacts: {
+      public: {
+        expires: 24 * 7,
+        type: "directory",
+        path: "/home/worker/artifacts"
+      }
+    },
+    command: [
+      "/bin/bash",
+      "-c",
+      "bin/checkout.sh && nss/automation/taskcluster/scripts/build_gyp.sh --disable-tests --emit-llvm -m32"
+    ]
+  }));
+
+  queue.scheduleTask(merge(base, {
+    parent: task_saw,
+    symbol: "bmul",
+    group: "SAW",
+    name: "bmul.saw",
+    image: SAW_IMAGE,
+    command: [
+      "/bin/bash",
+      "-c",
+      "bin/checkout.sh && nss/automation/taskcluster/scripts/run_saw.sh bmul"
+    ]
+  }));
+
+  queue.scheduleTask(merge(base, {
+    parent: task_saw,
+    symbol: "ChaCha20",
+    group: "SAW",
+    name: "chacha20.saw",
+    image: SAW_IMAGE,
+    command: [
+      "/bin/bash",
+      "-c",
+      "bin/checkout.sh && nss/automation/taskcluster/scripts/run_saw.sh chacha20"
+    ]
+  }));
+
+  queue.scheduleTask(merge(base, {
+    parent: task_saw,
+    symbol: "Poly1305",
+    group: "SAW",
+    name: "poly1305.saw",
+    image: SAW_IMAGE,
+    command: [
+      "/bin/bash",
+      "-c",
+      "bin/checkout.sh && nss/automation/taskcluster/scripts/run_saw.sh poly1305"
+    ]
+  }));
+
   return queue.submit();
 }
diff --git a/security/nss/automation/taskcluster/graph/src/image_builder.js b/security/nss/automation/taskcluster/graph/src/image_builder.js
index b89b6980c..d9d7755dc 100644
--- a/security/nss/automation/taskcluster/graph/src/image_builder.js
+++ b/security/nss/automation/taskcluster/graph/src/image_builder.js
@@ -30,7 +30,7 @@ export async function buildTask({name, path}) {
   let ns = `docker.images.v1.${process.env.TC_PROJECT}.${name}.hash.${hash}`;
 
   return {
-    name: "Image Builder",
+    name: `Image Builder (${name})`,
     image: "nssdev/image_builder:0.1.5",
     routes: ["index." + ns],
     env: {
diff --git a/security/nss/automation/taskcluster/graph/src/queue.js b/security/nss/automation/taskcluster/graph/src/queue.js
index 29b570729..809a17bf1 100644
--- a/security/nss/automation/taskcluster/graph/src/queue.js
+++ b/security/nss/automation/taskcluster/graph/src/queue.js
@@ -31,10 +31,11 @@ function parseRoutes(routes) {
   ];
 
   // Notify about failures (except on try).
-  if (process.env.TC_PROJECT != "nss-try") {
+  // Turned off, too noisy.
+  /*if (process.env.TC_PROJECT != "nss-try") {
     rv.push(`notify.email.${process.env.TC_OWNER}.on-failed`,
             `notify.email.${process.env.TC_OWNER}.on-exception`);
-  }
+  }*/
 
   return rv;
 }
diff --git a/security/nss/automation/taskcluster/graph/src/try_syntax.js b/security/nss/automation/taskcluster/graph/src/try_syntax.js
index 1f4e12eee..1c06dde13 100644
--- a/security/nss/automation/taskcluster/graph/src/try_syntax.js
+++ b/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"];
+  let allTools = ["clang-format", "scan-build", "hacl", "saw", "abi"];
   let tools = intersect(opts.tools.split(/\s*,\s*/), allTools);
 
   // If the given value is "all" run all tools.
@@ -77,7 +77,8 @@ function filter(opts) {
     // are not affected by platform or build type selectors.
     if (task.platform == "nss-tools") {
       return opts.tools.some(tool => {
-        return task.symbol.toLowerCase().startsWith(tool);
+        return task.symbol.toLowerCase().startsWith(tool) ||
+               (task.group && task.group.toLowerCase().startsWith(tool));
       });
     }
 
diff --git a/security/nss/automation/taskcluster/scripts/check_abi.sh b/security/nss/automation/taskcluster/scripts/check_abi.sh
new file mode 100644
index 000000000..dbc1a476f
--- /dev/null
+++ b/security/nss/automation/taskcluster/scripts/check_abi.sh
@@ -0,0 +1,172 @@
+#! /bin/bash
+
+set_env()
+{
+  cd /home/worker
+  HGDIR=/home/worker
+  OUTPUTDIR=$(pwd)$(echo "/output")
+  DATE=$(date "+TB [%Y-%m-%d %H:%M:%S]")
+
+  if [ ! -d "${OUTPUTDIR}" ]; then
+    echo "Creating output dir"
+    mkdir "${OUTPUTDIR}"
+  fi
+
+  if [ ! -d "nspr" ]; then
+    for i in 0 2 5; do
+      sleep $i
+      hg clone -r "default" "https://hg.mozilla.org/projects/nspr" "${HGDIR}/nspr" && break
+      rm -rf nspr
+    done
+  fi
+
+  cd nss
+  ./build.sh -v -c
+  cd ..
+}
+
+check_abi()
+{
+  set_env
+  set +e #reverses set -e from build.sh to allow possible hg clone failures
+  if [[ "$1" != --nobuild ]]; then # Start nobuild block
+
+    echo "######## NSS ABI CHECK ########"
+    echo "######## creating temporary HG clones ########"
+
+    rm -rf ${HGDIR}/baseline
+    mkdir ${HGDIR}/baseline
+    BASE_NSS=`cat ${HGDIR}/nss/automation/abi-check/previous-nss-release`  #Reads the version number of the last release from the respective file
+    NSS_CLONE_RESULT=0
+    for i in 0 2 5; do
+        sleep $i
+        hg clone -u "${BASE_NSS}" "https://hg.mozilla.org/projects/nss" "${HGDIR}/baseline/nss"
+        if [ $? -eq 0 ]; then
+          NSS_CLONE_RESULT=0
+          break
+        fi
+        rm -rf "${HGDIR}/baseline/nss"
+        NSS_CLONE_RESULT=1
+    done
+    if [ ${NSS_CLONE_RESULT} -ne 0 ]; then
+      echo "invalid tag in automation/abi-check/previous-nss-release"
+      return 1
+    fi
+
+    BASE_NSPR=NSPR_$(head -1 ${HGDIR}/baseline/nss/automation/release/nspr-version.txt | cut -d . -f 1-2 | tr . _)_BRANCH
+    hg clone -u "${BASE_NSPR}" "https://hg.mozilla.org/projects/nspr" "${HGDIR}/baseline/nspr"
+    NSPR_CLONE_RESULT=$?
+
+    if [ ${NSPR_CLONE_RESULT} -ne 0 ]; then
+      rm -rf "${HGDIR}/baseline/nspr"
+      for i in 0 2 5; do
+          sleep $i
+          hg clone -u "default" "https://hg.mozilla.org/projects/nspr" "${HGDIR}/baseline/nspr" && break
+          rm -rf "${HGDIR}/baseline/nspr"
+      done
+      echo "Nonexisting tag ${BASE_NSPR} derived from ${BASE_NSS} automation/release/nspr-version.txt"
+      echo "Using default branch instead."
+    fi
+
+    echo "######## building baseline NSPR/NSS ########"
+    echo "${HGDIR}/baseline/nss/build.sh"
+    cd ${HGDIR}/baseline/nss
+    ./build.sh -v -c
+    cd ${HGDIR}
+  else  # Else nobuild block
+    echo "######## using existing baseline NSPR/NSS build ########"
+  fi # End nobuild block
+
+  set +e #reverses set -e from build.sh to allow abidiff failures
+
+  echo "######## Starting abidiff procedure ########"
+  abi_diff
+}
+
+#Slightly modified from builbot-slave/build.sh
+abi_diff()
+{
+  ABI_PROBLEM_FOUND=0
+  ABI_REPORT=${OUTPUTDIR}/abi-diff.txt
+  rm -f ${ABI_REPORT}
+  PREVDIST=${HGDIR}/baseline/dist
+  NEWDIST=${HGDIR}/dist
+  ALL_SOs="libfreebl3.so libfreeblpriv3.so libnspr4.so libnss3.so libnssckbi.so libnssdbm3.so libnsssysinit.so libnssutil3.so libplc4.so libplds4.so libsmime3.so libsoftokn3.so libssl3.so"
+  for SO in ${ALL_SOs}; do
+      if [ ! -f ${HGDIR}/nss/automation/abi-check/expected-report-$SO.txt ]; then
+          touch ${HGDIR}/nss/automation/abi-check/expected-report-$SO.txt
+      fi
+      abidiff --hd1 $PREVDIST/public/ --hd2 $NEWDIST/public \
+          $PREVDIST/*/lib/$SO $NEWDIST/*/lib/$SO \
+          > ${HGDIR}/nss/automation/abi-check/new-report-temp$SO.txt
+      RET=$?
+      cat ${HGDIR}/nss/automation/abi-check/new-report-temp$SO.txt \
+          | grep -v "^Functions changes summary:" \
+          | grep -v "^Variables changes summary:" \
+          > ${HGDIR}/nss/automation/abi-check/new-report-$SO.txt
+      rm -f ${HGDIR}/nss/automation/abi-check/new-report-temp$SO.txt
+
+      ABIDIFF_ERROR=$((($RET & 0x01) != 0))
+      ABIDIFF_USAGE_ERROR=$((($RET & 0x02) != 0))
+      ABIDIFF_ABI_CHANGE=$((($RET & 0x04) != 0))
+      ABIDIFF_ABI_INCOMPATIBLE_CHANGE=$((($RET & 0x08) != 0))
+      ABIDIFF_UNKNOWN_BIT_SET=$((($RET & 0xf0) != 0))
+
+      # If abidiff reports an error, or a usage error, or if it sets a result
+      # bit value this script doesn't know yet about, we'll report failure.
+      # For ABI changes, we don't yet report an error. We'll compare the
+      # result report with our whitelist. This allows us to silence changes
+      # that we're already aware of and have been declared acceptable.
+
+      REPORT_RET_AS_FAILURE=0
+      if [ $ABIDIFF_ERROR -ne 0 ]; then
+          echo "abidiff reported ABIDIFF_ERROR."
+          REPORT_RET_AS_FAILURE=1
+      fi
+      if [ $ABIDIFF_USAGE_ERROR -ne 0 ]; then
+          echo "abidiff reported ABIDIFF_USAGE_ERROR."
+          REPORT_RET_AS_FAILURE=1
+      fi
+      if [ $ABIDIFF_UNKNOWN_BIT_SET -ne 0 ]; then
+          echo "abidiff reported ABIDIFF_UNKNOWN_BIT_SET."
+          REPORT_RET_AS_FAILURE=1
+      fi
+
+      if [ $ABIDIFF_ABI_CHANGE -ne 0 ]; then
+          echo "Ignoring abidiff result ABI_CHANGE, instead we'll check for non-whitelisted differences."
+      fi
+      if [ $ABIDIFF_ABI_INCOMPATIBLE_CHANGE -ne 0 ]; then
+          echo "Ignoring abidiff result ABIDIFF_ABI_INCOMPATIBLE_CHANGE, instead we'll check for non-whitelisted differences."
+      fi
+
+      if [ $REPORT_RET_AS_FAILURE -ne 0 ]; then
+          ABI_PROBLEM_FOUND=1
+          echo "abidiff {$PREVDIST , $NEWDIST} for $SO FAILED with result $RET, or failed writing to ${HGDIR}/nss/automation/abi-check/new-report-$SO.txt"
+      fi
+      if [ ! -f ${HGDIR}/nss/automation/abi-check/expected-report-$SO.txt ]; then
+          ABI_PROBLEM_FOUND=1
+          echo "FAILED to access report file: ${HGDIR}/nss/automation/abi-check/expected-report-$SO.txt"
+      fi
+
+      diff -wB -u ${HGDIR}/nss/automation/abi-check/expected-report-$SO.txt \
+              ${HGDIR}/nss/automation/abi-check/new-report-$SO.txt >> ${ABI_REPORT}
+      if [ ! -f ${ABI_REPORT} ]; then
+          ABI_PROBLEM_FOUND=1
+          echo "FAILED to compare exepcted and new report: ${HGDIR}/nss/automation/abi-check/new-report-$SO.txt"
+      fi
+  done
+
+  if [ -s ${ABI_REPORT} ]; then
+      echo "FAILED: there are new unexpected ABI changes"
+      cat ${ABI_REPORT}
+      return 1
+  elif [ $ABI_PROBLEM_FOUND -ne 0 ]; then
+      echo "FAILED: failure executing the ABI checks"
+      cat ${ABI_REPORT}
+      return 1
+  fi
+
+  return 0
+}
+
+check_abi $1
diff --git a/security/nss/automation/taskcluster/scripts/run_saw.sh b/security/nss/automation/taskcluster/scripts/run_saw.sh
new file mode 100644
index 000000000..0e9a8224a
--- /dev/null
+++ b/security/nss/automation/taskcluster/scripts/run_saw.sh
@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+
+source $(dirname "$0")/tools.sh
+
+# Fetch artifact if needed.
+fetch_dist
+
+# Run SAW.
+saw "nss/automation/saw/$1.saw"
diff --git a/security/nss/automation/taskcluster/scripts/run_scan_build.sh b/security/nss/automation/taskcluster/scripts/run_scan_build.sh
index 4024c226e..014530b42 100755
--- a/security/nss/automation/taskcluster/scripts/run_scan_build.sh
+++ b/security/nss/automation/taskcluster/scripts/run_scan_build.sh
@@ -34,7 +34,7 @@ for i in "${!scan[@]}"; do
 done
 
 # run scan-build (only building affected directories)
-scan-build -o /home/worker/artifacts --use-cc=$CC --use-c++=$CCC make nss_build_all && cd ..
+scan-build-5.0 -o /home/worker/artifacts --use-cc=$CC --use-c++=$CCC make nss_build_all && cd ..
 
 # print errors we found
 set +v +x