Git-Mirrors/hardened_malloc
1
0
Fork 0
mirror of https://github.com/GrapheneOS/hardened_malloc.git synced 2024-12-18 04:14:23 -05:00
Code Issues Packages Projects Releases Wiki Activity

memtag_test: remove usages of rand()

Browse Source 
It didn't work correctly due to not being seeded and its usage wasn't necessary.
This commit is contained in:
Dmitry Muhomor 2023-10-29 13:23:40 +02:00 committed by Daniel Micay
parent 577d9583eb
commit 28d5d394cf
1 changed files with 3 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
androidtest/memtag/memtag_test.cc
View File

@ -36,21 +36,6 @@ void *untag_pointer(void *ptr) {
}
void tag_distinctness() {
if (rand() & 1) {
// make allocations in all of used size classes and free half of them
const int max = 21000;
void *ptrs[max];
for (int i = 0; i < max; ++i) {
ptrs[i] = malloc(max);
}
for (int i = 1; i < max; i += 2) {
free(ptrs[i]);
}
}
const size_t cnt = 3000;
const size_t iter_cnt = 5;
const size_t alloc_cnt = cnt * iter_cnt;
@ -114,13 +99,9 @@ void tag_distinctness() {
}
u8* alloc_default() {
if (rand() & 1) {
int cnt = rand() & 0x3f;
for (int i = 0; i < cnt; ++i) {
(void) malloc(DEFAULT_ALLOC_SIZE);
}
}
return (u8 *) malloc(DEFAULT_ALLOC_SIZE);
u8 *p = (u8 *) malloc(DEFAULT_ALLOC_SIZE);
assert(p);
return p;
}
volatile u8 u8_var;