From d110f9c9a684e2ab030a65b1366dfb0f037a8279 Mon Sep 17 00:00:00 2001
From: Nick Mathewson <nickm@torproject.org>
Date: Wed, 20 Jun 2018 18:02:49 -0400
Subject: [PATCH] Add a leak suppression for backtrace_alloc

This appears to be an internal rust thing: I don't know why it's
leaking.  We should investigate further.
---
 src/test/include.am    | 1 +
 src/test/rust_supp.txt | 1 +
 src/test/test_rust.sh  | 3 +--
 3 files changed, 3 insertions(+), 2 deletions(-)
 create mode 100644 src/test/rust_supp.txt

diff --git a/src/test/include.am b/src/test/include.am
index 4146de73b1..4fe222b550 100644
--- a/src/test/include.am
+++ b/src/test/include.am
@@ -364,6 +364,7 @@ EXTRA_DIST += \
 	src/test/fuzz_static_testcases.sh \
 	src/test/slownacl_curve25519.py \
 	src/test/zero_length_keys.sh \
+        src/test/rust_supp.txt \
 	src/test/test_keygen.sh \
 	src/test/test_key_expiration.sh \
 	src/test/test_zero_length_keys.sh \
diff --git a/src/test/rust_supp.txt b/src/test/rust_supp.txt
new file mode 100644
index 0000000000..7fa50f3fb1
--- /dev/null
+++ b/src/test/rust_supp.txt
@@ -0,0 +1 @@
+leak:backtrace_alloc
diff --git a/src/test/test_rust.sh b/src/test/test_rust.sh
index 4795258d06..b1eae7d5f2 100755
--- a/src/test/test_rust.sh
+++ b/src/test/test_rust.sh
@@ -3,6 +3,7 @@
 
 set -e
 
+export LSAN_OPTIONS=suppressions=${abs_top_srcdir}/src/test/rust_supp.txt
 
 for cargo_toml_dir in "${abs_top_srcdir:-../../..}"/src/rust/*; do
     if [ -e "${cargo_toml_dir}/Cargo.toml" ]; then
@@ -16,5 +17,3 @@ for cargo_toml_dir in "${abs_top_srcdir:-../../..}"/src/rust/*; do
 done
 
 exit $exitcode
-
-