Check for enough buffer space in PROFILE_GetSection().

files/profile.c

diff --git a/files/profile.c b/files/profile.c
index 5ae6f65..116060d 100644
--- a/files/profile.c
+++ b/files/profile.c
@@ -722,6 +722,8 @@
                 PROFILE_CopyEntry( buffer, key->name, len - 1, handle_env );
                 len -= strlen(buffer) + 1;
                 buffer += strlen(buffer) + 1;
+		if (len < 2)
+		    break;
 		if (return_values && key->value) {
 			buffer[-1] = '=';
 			PROFILE_CopyEntry ( buffer,