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Increase the amount of memory that gets poisoned on free.

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Sergiy Kuryata 2025-08-13 14:49:58 -07:00
parent 971d4529ad
commit b52e821578
1 changed files with 19 additions and 0 deletions
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19
src/page.c
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@ -118,6 +118,25 @@ void mi_page_poison_block(const mi_page_t* page, void* block) {
block_ptr[1] = 0xDEADBEEFDEADBEEFULL;
block_ptr[2] = 0xDEADBEEFDEADBEEFULL;
block_ptr[3] = 0xDEADBEEFDEADBEEFULL;
block_ptr[4] = 0xDEADBEEFDEADBEEFULL;
block_ptr[5] = 0xDEADBEEFDEADBEEFULL;
block_ptr[6] = 0xDEADBEEFDEADBEEFULL;
block_ptr[7] = 0xDEADBEEFDEADBEEFULL;
if (block_size >= 128) {
block_ptr[8] = 0xDEADBEEFDEADBEEFULL;
block_ptr[9] = 0xDEADBEEFDEADBEEFULL;
block_ptr[10] = 0xDEADBEEFDEADBEEFULL;
block_ptr[11] = 0xDEADBEEFDEADBEEFULL;
if (block_size >= 512) {
// Fill starting at 256th byte offset
block_ptr[32] = 0xDEADBEEFDEADBEEFULL;
block_ptr[33] = 0xDEADBEEFDEADBEEFULL;
block_ptr[34] = 0xDEADBEEFDEADBEEFULL;
block_ptr[35] = 0xDEADBEEFDEADBEEFULL;
}
}
}
}