virEnumFromString doesn't check for a NULL string, and will segfault if passed one. Lots of calling code protects against this, but at least /pool/@type parsing does not. Signed-off-by: Cole Robinson <crobinso(a)redhat.com&gt; --- src/util.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/src/util.c b/src/util.c index d8ab37f..8b746f5 100644 --- a/src/util.c +++ b/src/util.c @@ -1622,6 +1622,9 @@ int virEnumFromString(const char *const*types, const char *type) { unsigned int i; + if (!type) + return -1; + for (i = 0 ; i < ntypes ; i++) if (STREQ(types[i], type)) return i; -- 1.6.3.2