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Implement aux stack overflow/underflow check for AOT/interp (#601)

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This commit is contained in:
Wenyong Huang
2021-04-07 16:15:59 +08:00
committed by GitHub
parent fe76c89c25
commit 77c3ddf7d0
18 changed files with 242 additions and 45 deletions
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20
core/iwasm/interpreter/wasm_interp_fast.c
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@ -775,7 +775,7 @@ ALLOC_FRAME(WASMExecEnv *exec_env, uint32 size, WASMInterpFrame *prev_frame)
}
else {
wasm_set_exception((WASMModuleInstance*)exec_env->module_inst,
"stack overflow");
"wasm operand stack overflow");
}
return frame;
@ -1339,6 +1339,8 @@ recover_br_info:
HANDLE_OP (WASM_OP_SET_GLOBAL_AUX_STACK):
{
uint32 aux_stack_top;
global_idx = read_uint32(frame_ip);
bh_assert(global_idx < module->global_count);
global = globals + global_idx;
@ -1350,10 +1352,16 @@ recover_br_info:
+ global->import_global_inst->data_offset
: global_data + global->data_offset;
#endif
addr1 = GET_OFFSET();
if (frame_lp[addr1] < exec_env->aux_stack_boundary)
goto out_of_bounds;
*(int32*)global_addr = frame_lp[addr1];
aux_stack_top = frame_lp[GET_OFFSET()];
if (aux_stack_top <= exec_env->aux_stack_boundary.boundary) {
wasm_set_exception(module, "wasm auxiliary stack overflow");
goto got_exception;
}
if (aux_stack_top > exec_env->aux_stack_bottom.bottom) {
wasm_set_exception(module, "wasm auxiliary stack underflow");
goto got_exception;
}
*(int32*)global_addr = aux_stack_top;
#if WASM_ENABLE_MEMORY_PROFILING != 0
if (module->module->aux_stack_top_global_index != (uint32)-1) {
uint32 aux_stack_used =
@ -3130,7 +3138,7 @@ recover_br_info:
+ (uint64)cur_func->const_cell_num
+ (uint64)cur_wasm_func->max_stack_cell_num;
if (all_cell_num >= UINT32_MAX) {
wasm_set_exception(module, "stack overflow");
wasm_set_exception(module, "wasm operand stack overflow");
goto got_exception;
}