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[release/6.0-rc2] [wasm][debugger] Fixing memory corruption #59420

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merged 1 commit into from
Sep 21, 2021
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[release/6.0-rc2] [wasm][debugger] Fixing memory corruption #59420

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12 changes: 4 additions & 8 deletions src/mono/wasm/runtime/library_mono.js
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Original file line number Diff line number Diff line change
Expand Up @@ -583,9 +583,8 @@ var MonoSupportLib = {

mono_wasm_send_dbg_command_with_parms: function (id, command_set, command, command_parameters, length, valtype, newvalue)
{
const dataHeap = new Uint8Array (Module.HEAPU8.buffer, command_parameters, command_parameters.length);
dataHeap.set (new Uint8Array (this._base64_to_uint8 (command_parameters)));
this._c_fn_table.mono_wasm_send_dbg_command_with_parms_wrapper (id, command_set, command, dataHeap.byteOffset, length, valtype, newvalue.toString());
var dataHeap = this.mono_wasm_load_bytes_into_heap (this._base64_to_uint8 (command_parameters));
this._c_fn_table.mono_wasm_send_dbg_command_with_parms_wrapper (id, command_set, command, dataHeap, length, valtype, newvalue.toString());
let { res_ok, res } = MONO.commands_received;
if (!res_ok)
throw new Error (`Failed on mono_wasm_invoke_method_debugger_agent_with_parms`);
Expand All @@ -594,11 +593,8 @@ var MonoSupportLib = {

mono_wasm_send_dbg_command: function (id, command_set, command, command_parameters)
{
const dataHeap = new Uint8Array (Module.HEAPU8.buffer, command_parameters, command_parameters.length);
dataHeap.set (new Uint8Array (this._base64_to_uint8 (command_parameters)));

this._c_fn_table.mono_wasm_send_dbg_command_wrapper (id, command_set, command, dataHeap.byteOffset, command_parameters.length);

var dataHeap = this.mono_wasm_load_bytes_into_heap (this._base64_to_uint8 (command_parameters));
this._c_fn_table.mono_wasm_send_dbg_command_wrapper (id, command_set, command, dataHeap, command_parameters.length);
let { res_ok, res } = MONO.commands_received;
if (!res_ok)
throw new Error (`Failed on mono_wasm_send_dbg_command`);
Expand Down