SERVER-48661 Death test cannot parse tsan output

1 files changed, 8 insertions, 2 deletions

diff --git a/src/mongo/unittest/death_test.cpp b/src/mongo/unittest/death_test.cpp
index b33900aff90..50ec0fda6db 100644
--- a/src/mongo/unittest/death_test.cpp
+++ b/src/mongo/unittest/death_test.cpp
@@ -118,8 +118,14 @@ void DeathTestBase::_doTest() {
                 line = line.substr(0, line.size() - 1);
             if (line.empty())
                 continue;
-            int parsedLen;
-            auto parsedChildLog = fromjson(lineBuf, &parsedLen);
+            int parsedLen = 0;
+            BSONObj parsedChildLog;
+            try {
+                parsedChildLog = fromjson(lineBuf, &parsedLen);
+            } catch (DBException&) {
+                // ignore json parsing errors and dump the whole log line as text
+                parsedLen = 0;
+            }
             if (static_cast<size_t>(parsedLen) == line.size()) {
                 LOGV2(20165, "child", "json"_attr = parsedChildLog);
             } else {