From: G. David Butler gdb@dbSystems.com
Subject: [9fans] Re: Bug in sysrendezvous?
Date: Tue, 16 Sep 1997 14:00:25 -0500 [thread overview]
Message-ID: <19970916190025.d5kAXoktND2gGjdWsEhi7IjFr9PrxKeOFFj2swMi0OQ@z> (raw)
From: "G. David Butler" <gdb@dbSystems.com>
>From: Amos Shapir <amos@cs.huji.ac.il>
>Date: Mon, 3 Jun 1996 09:59:36 -0400
>>
>>The "tag" operand of rendezvous is defined as ulong; but in the
>>function sysrendezvous (in sysproc.c), it's copied into an int, which
>>is used as an index in a table by the REND macro. If I'm mistaken
>>correctly, this means that if the tag is negative, the resulting
>>pointer would point *outside* the table!
>>
[snip]
>#define REND(p,s) ((p)->rendhash[(ulong)(s)%RENDHASH])
Well, I jumped the gun here. The fix was posted long ago with
a declaration change in sysrendezvous() to a ulong.
Sorry for the rehash :-).
next reply other threads:[~1997-09-16 19:00 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
1997-09-16 19:00 G.David [this message]
-- strict thread matches above, loose matches on Subject: below --
1997-09-16 18:39 G.David
1997-09-16 16:39 forsyth
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