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[PATCH] Serial code stack corruption

From: Victor Tsou <vtsou at good dot com>
To: "'cygwin-patches at cygwin dot com '" <cygwin-patches at cygwin dot com>
Date: Mon, 10 Dec 2001 15:22:28 -0800
Subject: [PATCH] Serial code stack corruption

Title: [PATCH] Serial code stack corruption

WaitCommEvent was called in overlapped mode with a pointer to a stack variable passed in for lpEvtMask. When the asynchronous request completes in the future, the function might no longer be in scope. In such cases, data on the stack is erroneously overwritten with the event mask.

This patch cancels the WaitCommEvent request by calling SetCommMask. This is the only documented method of cancelling the eventmask update.

Attachment: ChangeLog
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Attachment: fhandler_serial.cc-patch
Description: Binary data

Attachment: select.cc-patch
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Follow-Ups:
- Re: [PATCH] Serial code stack corruption
  - From: Christopher Faylor

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