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Re: [MiNT] tfork() bug.

To: mint@lists.fishpool.fi
Subject: Re: [MiNT] tfork() bug.
From: Alan Hourihane <alanh@fairlite.co.uk>
Date: Wed, 16 May 2012 12:29:44 +0100
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On 05/15/12 23:26, m0n0 wrote:
> Am Di, 15.05.2012, 23:42 schrieb Alan Hourihane:
>
>>> Can somebody confirm this bug and that I understand it correctly?
>> A small test case would help. Can you code one up ?
> I think it is more about looking at the source, but sure - here it is. And
> as I said, the race condition is taking place first.  The PoC is attached.
>

Checking the return code of Mfree() shows that it returns EFAULT on
secondary invocations.

It sounds like a bug, but the kernel is guarding against any problems
with Mfree() in tfork().

Alan.

Follow-Ups:
- Re: [MiNT] tfork() bug.
  - From: Ole <ole@monochrom.net>

References:
- [MiNT] tfork() bug.
  - From: "m0n0" <ole@monochrom.net>
- Re: [MiNT] tfork() bug.
  - From: Alan Hourihane <alanh@fairlite.co.uk>
- Re: [MiNT] tfork() bug.
  - From: "m0n0" <ole@monochrom.net>

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