From: Wilco Dijkstra <wilco.dijkstra@arm.com>
Date: Tue, 20 May 2025 15:56:14 +0000 (+0000)
Subject: benchtests: Avoid overflow in random memcpy/memset benchmarks
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=09604542d31abf1e35cd00c1db8d9bee9568bdd0;p=thirdparty%2Fglibc.git

benchtests: Avoid overflow in random memcpy/memset benchmarks

Use uint16_t rather than uint8_t for the size arrays.
---

diff --git a/benchtests/bench-memcpy-random.c b/benchtests/bench-memcpy-random.c
index d17c784eb6..0734bc84ae 100644
--- a/benchtests/bench-memcpy-random.c
+++ b/benchtests/bench-memcpy-random.c
@@ -34,7 +34,7 @@ typedef struct { uint8_t align; uint16_t freq; } align_data_t;
 
 #define SIZE_NUM 65536
 #define SIZE_MASK (SIZE_NUM-1)
-static uint8_t size_arr[SIZE_NUM];
+static uint16_t size_arr[SIZE_NUM];
 
 /* Frequency data for memcpy of less than 4096 bytes based on SPEC2017.  */
 static freq_data_t size_freq[] =
diff --git a/benchtests/bench-memset-random.c b/benchtests/bench-memset-random.c
index 642bf411d4..758c53bc6f 100644
--- a/benchtests/bench-memset-random.c
+++ b/benchtests/bench-memset-random.c
@@ -39,7 +39,7 @@ typedef struct { uint8_t align; uint16_t freq; } align_data_t;
 
 #define SIZE_NUM 65536
 #define SIZE_MASK (SIZE_NUM-1)
-static uint8_t len_arr[SIZE_NUM];
+static uint16_t len_arr[SIZE_NUM];
 
 /* Frequency data for memset sizes up to 4096 bytes based on SPEC2017.  */
 static freq_data_t memset_len_freq[] =