From 97ebaacd59dce6b408f82d8737c5e62464615ba3 Mon Sep 17 00:00:00 2001
From: "Mika T. Lindqvist" <postmaster@raasu.org>
Date: Fri, 19 Jun 2026 21:53:50 +0300
Subject: [PATCH] Fix type mismatch errors in fuzzers.

---
 test/fuzz/fuzzer_compress.c      | 8 ++++----
 test/fuzz/fuzzer_example_flush.c | 2 +-
 test/fuzz/fuzzer_example_small.c | 2 +-
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/test/fuzz/fuzzer_compress.c b/test/fuzz/fuzzer_compress.c
index a9de005a3..a6481f52d 100644
--- a/test/fuzz/fuzzer_compress.c
+++ b/test/fuzz/fuzzer_compress.c
@@ -7,7 +7,7 @@
 #endif
 
 static const uint8_t *data;
-static size_t dataLen;
+static z_uintmax_t dataLen;
 
 static void check_compress_level(uint8_t *compr, z_uintmax_t comprLen,
                                  uint8_t *uncompr, z_uintmax_t uncomprLen,
@@ -50,8 +50,8 @@ static void check_decompress(uint8_t *compr, z_uintmax_t comprLen) {
 
 int LLVMFuzzerTestOneInput(const uint8_t *d, size_t size) {
     /* compressBound does not provide enough space for low compression levels. */
-    z_size_t comprLen = 100 + 2 * PREFIX(compressBound)(size);
-    z_size_t uncomprLen = (z_size_t)size;
+    z_uintmax_t comprLen = 100 + 2 * PREFIX(compressBound)((z_uintmax_t)size);
+    z_uintmax_t uncomprLen = (z_uintmax_t)size;
     uint8_t *compr, *uncompr;
 
     /* Discard inputs larger than 1Mb. */
@@ -61,7 +61,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *d, size_t size) {
         return 0;
 
     data = d;
-    dataLen = size;
+    dataLen = (z_uintmax_t)size;
     compr = (uint8_t *)calloc(1, comprLen);
     uncompr = (uint8_t *)calloc(1, uncomprLen);
 
diff --git a/test/fuzz/fuzzer_example_flush.c b/test/fuzz/fuzzer_example_flush.c
index 62788e372..3836e794f 100644
--- a/test/fuzz/fuzzer_example_flush.c
+++ b/test/fuzz/fuzzer_example_flush.c
@@ -90,7 +90,7 @@ void test_sync(unsigned char *compr, size_t comprLen, unsigned char *uncompr, si
 }
 
 int LLVMFuzzerTestOneInput(const uint8_t *d, size_t size) {
-    z_size_t comprLen = 100 + 2 * PREFIX(compressBound)(size);
+    z_size_t comprLen = 100 + 2 * PREFIX(compressBound)((z_uintmax_t)size);
     z_size_t uncomprLen = (z_size_t)size;
     uint8_t *compr, *uncompr;
 
diff --git a/test/fuzz/fuzzer_example_small.c b/test/fuzz/fuzzer_example_small.c
index d1ace3b0a..7446555b0 100644
--- a/test/fuzz/fuzzer_example_small.c
+++ b/test/fuzz/fuzzer_example_small.c
@@ -90,7 +90,7 @@ void test_inflate(unsigned char *compr, size_t comprLen, unsigned char *uncompr,
 }
 
 int LLVMFuzzerTestOneInput(const uint8_t *d, size_t size) {
-    size_t comprLen = PREFIX(compressBound)(size);
+    size_t comprLen = PREFIX(compressBound)((z_uintmax_t)size);
     size_t uncomprLen = size;
     uint8_t *compr, *uncompr;
 
-- 
2.47.3