mirror of
https://github.com/radareorg/radare2.git
synced 2024-12-14 00:38:55 +00:00
52 lines
1.8 KiB
Diff
52 lines
1.8 KiB
Diff
diff --git a/MCInst.c b/MCInst.c
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index 7041022..d173d98 100644
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--- a/MCInst.c
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+++ b/MCInst.c
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@@ -23,6 +23,7 @@ void MCInst_Init(MCInst *inst)
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inst->Operands[i].Kind = kInvalid;
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}
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+ memset (inst, 0, sizeof (MCInst));
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inst->Opcode = 0;
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inst->OpcodePub = 0;
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inst->size = 0;
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diff --git a/cs.c b/cs.c
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index d2ffecc..f12051a 100644
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--- a/cs.c
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+++ b/cs.c
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@@ -840,7 +840,7 @@ size_t CAPSTONE_API cs_disasm(csh ud, const uint8_t *buffer, size_t size, uint64
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size_org = size;
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total_size = sizeof(cs_insn) * cache_size;
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- total = cs_mem_malloc(total_size);
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+ total = cs_mem_calloc(1, total_size);
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if (total == NULL) {
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// insufficient memory
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handle->errnum = CS_ERR_MEM;
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@@ -858,7 +858,7 @@ size_t CAPSTONE_API cs_disasm(csh ud, const uint8_t *buffer, size_t size, uint64
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if (handle->detail) {
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// allocate memory for @detail pointer
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- insn_cache->detail = cs_mem_malloc(sizeof(cs_detail));
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+ insn_cache->detail = cs_mem_calloc(1, sizeof(cs_detail));
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} else {
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insn_cache->detail = NULL;
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}
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@@ -946,6 +946,7 @@ size_t CAPSTONE_API cs_disasm(csh ud, const uint8_t *buffer, size_t size, uint64
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if (f == cache_size) {
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// full cache, so expand the cache to contain incoming insns
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cache_size = cache_size * 8 / 5; // * 1.6 ~ golden ratio
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+ unsigned int old_size = total_size;
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total_size += (sizeof(cs_insn) * cache_size);
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tmp = cs_mem_realloc(total, total_size);
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if (tmp == NULL) { // insufficient memory
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@@ -960,7 +961,7 @@ size_t CAPSTONE_API cs_disasm(csh ud, const uint8_t *buffer, size_t size, uint64
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handle->errnum = CS_ERR_MEM;
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return 0;
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}
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-
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+ memset ((char *)total + (sizeof(cs_insn) * old_size), 0, (total_size - old_size));
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total = tmp;
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// continue to fill in the cache after the last instruction
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insn_cache = (cs_insn *)((char *)total + sizeof(cs_insn) * c);
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