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Mail Archives: cygwin/2005/05/05/23:55:14

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Message-ID: <427AEA95.7010207@byu.net>
Date: Thu, 05 May 2005 21:55:01 -0600
From: Eric Blake <ebb9 AT byu DOT net>
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To: Paul Eggert <eggert AT CS DOT UCLA DOT EDU>
CC: "Pierre A. Humblet" <Pierre DOT Humblet AT ieee DOT org>, cygwin AT cygwin DOT com,
bug-coreutils AT gnu DOT org
Subject: Re: mkdir -p and network drives
References: <3 DOT 0 DOT 5 DOT 32 DOT 20050502232204 DOT 00b52180 AT incoming DOT verizon DOT net> <42777719 DOT 8090103 AT byu DOT net> <8764xym6vf DOT fsf AT penguin DOT cs DOT ucla DOT edu> <427AD935 DOT 1010409 AT byu DOT net> <87vf5x818r DOT fsf AT penguin DOT cs DOT ucla DOT edu>
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According to Paul Eggert on 5/5/2005 9:47 PM:
>>Oops - buffer overflow bug.  dirpath[2] is past the end of the string on
>>dirpath of "/",
> 
> If dirpath is "/", then dirpath[1] != '/' is true, so dirpath[2] isn't
> evaluated.

Oh well - chalk that one up to me not reading closely enough after a long
day.  I should learn not to hit send before re-reading :)  But my other
comment about dirpath being allocated with alloca on potentially unlimited
length input is still an issue.

- --
Life is short - so eat dessert first!

Eric Blake             ebb9 AT byu DOT net
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