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authorRussell Belfer <rb@github.com>2013-01-31 13:20:20 -0800
committerRussell Belfer <rb@github.com>2013-01-31 13:20:20 -0800
commit7c32a0b5f7cc3eeb0ea1f12e6d2bc0839a7f28ef (patch)
treeeef7f0e6b005913543a88be1c6db60a449197069
parent5f9f69d983d7ebc2d9d29cf295e86f32ab12906d (diff)
parente5ef0f18141409fc932d2c9cc0a42b769a880927 (diff)
downloadlibgit2-7c32a0b5f7cc3eeb0ea1f12e6d2bc0839a7f28ef.tar.gz
Merge pull request #1300 from carlosmn/ref-leading-slash
Crash when resolving a ref starting with "/"
-rw-r--r--src/refs.c5
-rw-r--r--tests-clar/refs/isvalidname.c2
2 files changed, 7 insertions, 0 deletions
diff --git a/src/refs.c b/src/refs.c
index 52e0adac6..e75f51001 100644
--- a/src/refs.c
+++ b/src/refs.c
@@ -1691,6 +1691,11 @@ int git_reference__normalize_name(
segments_count++;
}
+ /* This means that there's a leading slash in the refname */
+ if (segment_len == 0 && segments_count == 0) {
+ goto cleanup;
+ }
+
if (current[segment_len] == '\0')
break;
diff --git a/tests-clar/refs/isvalidname.c b/tests-clar/refs/isvalidname.c
index 3cc838d34..b61a02360 100644
--- a/tests-clar/refs/isvalidname.c
+++ b/tests-clar/refs/isvalidname.c
@@ -10,6 +10,8 @@ void test_refs_isvalidname__can_detect_invalid_formats(void)
cl_assert_equal_i(false, git_reference_is_valid_name("_NO_LEADING_UNDERSCORE"));
cl_assert_equal_i(false, git_reference_is_valid_name("HEAD/aa"));
cl_assert_equal_i(false, git_reference_is_valid_name("lower_case"));
+ cl_assert_equal_i(false, git_reference_is_valid_name("/stupid/name/master"));
+ cl_assert_equal_i(false, git_reference_is_valid_name("/"));
cl_assert_equal_i(false, git_reference_is_valid_name(""));
}