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-rw-r--r--transport.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/transport.c b/transport.c
index 4e151a9e8..babaa2139 100644
--- a/transport.c
+++ b/transport.c
@@ -118,7 +118,7 @@ static void insert_packed_refs(const char *packed_refs, struct ref **list)
if (hexval(buffer[0]) > 0xf)
continue;
len = strlen(buffer);
- if (buffer[len - 1] == '\n')
+ if (len && buffer[len - 1] == '\n')
buffer[--len] = '\0';
if (len < 41)
continue;