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Fix potential pointer overflows (#826)

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Fix some potential pointer overflows in aot applying relocations and
several other places.
And add sanitizer compiler flags to wamrc CMakeLists.txt to detect
such issues.
This commit is contained in:
Wenyong Huang
2021-11-15 10:57:37 +08:00
committed by GitHub
parent a1ad950ae1
commit 64be6ec9a7
21 changed files with 103 additions and 65 deletions
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11
core/iwasm/compilation/aot_llvm.c
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@ -162,10 +162,15 @@ aot_create_func_block(AOTCompContext *comp_ctx, AOTFuncContext *func_ctx,
/* Set block data */
aot_block->label_type = LABEL_TYPE_FUNCTION;
aot_block->param_count = param_count;
memcpy(aot_block->param_types, aot_func_type->types, param_count);
if (param_count) {
bh_memcpy_s(aot_block->param_types, param_count, aot_func_type->types,
param_count);
}
aot_block->result_count = result_count;
memcpy(aot_block->result_types, aot_func_type->types + param_count,
result_count);
if (result_count) {
bh_memcpy_s(aot_block->result_types, result_count,
aot_func_type->types + param_count, result_count);
}
aot_block->wasm_code_end = func->code + func->code_size;
/* Add function entry block */