Anonymous committed 86f660b

object-refs: avoid division by zero

Currently, we don't check refs_hash_size size and happily call
lookup_object_refs() even if refs_hash_size is zero which leads to
a division by zero in hash_obj().

Signed-off-by: Andre Noll <>
Signed-off-by: Junio C Hamano <>

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  • Parent commits bb9e15a

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File object-refs.c

 	if (!track_object_refs)
 		die("cannot do reachability with object refs turned off");
+	/* nothing to lookup */
+	if (!refs_hash_size)
+		return;
 	/* If we've been here already, don't bother */
 	if (obj->flags & mask)