[PATCH iproute2] lib: do not truncate 64 bit size in json

[Stephen Hemminger <stephen@networkplumber.org>]

print_color_size() takes a 64 bit size but it gets truncated
when printing json.

Reported-by: Anthropic OSS scanner (ANT-2026-H0R4ZJSS)
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
 lib/json_print_math.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/json_print_math.c b/lib/json_print_math.c
index 3e951cd9..85c29d6c 100644
--- a/lib/json_print_math.c
+++ b/lib/json_print_math.c
@@ -1,6 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0+
 
 #include <stdarg.h>
+#include <inttypes.h>
 #include <stdio.h>
 #include <math.h>
 
@@ -33,7 +34,7 @@ int print_color_size(enum output_type type, enum color_attr color,
 	SPRINT_BUF(buf);
 
 	if (_IS_JSON_CONTEXT(type))
-		return print_color_uint(type, color, key, "%u", sz);
+		return print_color_u64(type, color, key, "%"PRIu64, sz);
 
 	sprint_size(sz, buf);
 	return print_color_string(type, color, key, fmt, buf);
-- 
2.53.0