X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/b3e41255a63523627423ee5b21a8406ebfb2de79..3b22184d4c61e6dc77ec15f93bb760046c40533e:/generator.c

diff --git a/generator.c b/generator.c
index 01398b58..b12087fc 100644
--- a/generator.c
+++ b/generator.c
@@ -567,6 +567,12 @@ static void sum_sizes_sqroot(struct sum_struct *sum, int64 len)
 	int s2length;
 	int64 l;
 
+	if (len < 0) {
+		/* The file length overflowed our int64 var, so we can't process this file. */
+		sum->count = -1; /* indicate overflow error */
+		return;
+	}
+
 	if (block_size)
 		blength = block_size;
 	else if (len <= BLOCK_SIZE * BLOCK_SIZE)