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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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9
core/iwasm/compilation/aot_emit_control.c
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@ -422,9 +422,14 @@ aot_compile_op_block(AOTCompContext *comp_ctx, AOTFuncContext *func_ctx,
/* Init aot block data */
block->label_type = label_type;
block->param_count = param_count;
memcpy(block->param_types, param_types, param_count);
if (param_count) {
bh_memcpy_s(block->param_types, param_count, param_types, param_count);
}
block->result_count = result_count;
memcpy(block->result_types, result_types, result_count);
if (result_count) {
bh_memcpy_s(block->result_types, result_count, result_types,
result_count);
}
block->wasm_code_else = else_addr;
block->wasm_code_end = end_addr;
block->block_index = func_ctx->block_stack.block_index[label_type];