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Fixed the code end boundary check

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Dmitry Stogov 2023-05-25 15:45:17 +03:00
parent 30c6717812
commit 9dd7f4f903
1 changed files with 1 additions and 1 deletions
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ir_patch.c
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@ -151,7 +151,7 @@ static int ir_patch_code(const void *code, size_t size, const void *from_addr, c
uint8_t *p, *end; uint8_t *p, *end;
p = (uint8_t*)code; p = (uint8_t*)code;
end = p + size - 5; end = p + size - 4;
while (p < end) { while (p < end) {
if ((*(unaligned_uint16_t*)p & 0xf0ff) == 0x800f && p + *(unaligned_int32_t*)(p+2) == (uint8_t*)from_addr - 6) { if ((*(unaligned_uint16_t*)p & 0xf0ff) == 0x800f && p + *(unaligned_int32_t*)(p+2) == (uint8_t*)from_addr - 6) {
*(unaligned_int32_t*)(p+2) = ((uint8_t*)to_addr - (p + 6)); *(unaligned_int32_t*)(p+2) = ((uint8_t*)to_addr - (p + 6));