File CVE-2023-2603.patch of Package libcap.29615

diff -Nurp libcap-2.26-orig/libcap/cap_alloc.c libcap-2.26/libcap/cap_alloc.c
--- libcap-2.26-orig/libcap/cap_alloc.c	2018-09-09 21:39:20.000000000 +0200
+++ libcap-2.26/libcap/cap_alloc.c	2023-05-16 17:46:53.054100203 +0200
@@ -59,12 +59,20 @@ cap_t cap_init(void)
 char *_libcap_strdup(const char *old)
 {
     __u32 *raw_data;
+    size_t len;
 
     if (old == NULL) {
 	errno = EINVAL;
 	return NULL;
     }
 
+    len = strlen(old);
+    if ((len & 0x3fffffff) != len) {
+        _cap_debug("len is too long for libcap to manage");
+        errno = EINVAL;
+        return NULL;
+    }
+
     raw_data = malloc( sizeof(__u32) + strlen(old) + 1 );
     if (raw_data == NULL) {
 	errno = ENOMEM;