emo/hardened_malloc
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

use calculated size for overflow tests

Browse Source 
This greatly reduces how much these tests depend on hard-wired knowledge
about the size classes.
This commit is contained in:
Daniel Micay 2022-01-03 21:11:31 -05:00
parent acda766e2c
commit 13a1f578cb
2 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
test/simple-memory-corruption/eight_byte_overflow_large.c
View File

@ -7,7 +7,8 @@ OPTNONE int main(void) {
if (!p) { if (!p) {
return 1; return 1;
} }
*(p + 256 * 1024 + 7) = 0; size_t size = malloc_usable_size(p);
*(p + size + 7) = 0;
free(p); free(p);
return 0; return 0;
} }

3
test/simple-memory-corruption/eight_byte_overflow_small.c
View File

@ -7,7 +7,8 @@ OPTNONE int main(void) {
if (!p) { if (!p) {
return 1; return 1;
} }
*(p + 8 + 7) ^= 1; size_t size = malloc_usable_size(p);
*(p + size + 7) ^= 1;
free(p); free(p);
return 0; return 0;
} }