From mboxrd@z Thu Jan  1 00:00:00 1970
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Date: Thu, 18 Mar 2010 16:19:05 +0100
From: Stefan Kisdaroczi <kisda@domain.hid>
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Subject: Re: [Xenomai-core] proc_file_read: Apparent buffer overflow
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Am 10.03.2010 19:56, schrieb Stefan Kisdaroczi:
> Hi,
>=20
> cat /proc/xenomai/heap returns the first 4096 Bytes and fails then with=
 "Bad address".
> On the console I see: "proc_file_read: Apparent buffer overflow!"
>=20
> xeno 2.5.1, linux 2.6.32.8, x86 32bit UP, native skin, lot of rt_queues=
:
> # ls -1 /proc/xenomai/registry/native/queues/ | wc -l
> 233
> # ls -1 /proc/xenomai/registry/native/heaps/ | wc -l
> 26

With some luck i get a oops doing cat /proc/xenomai/heap.
Looking at the while() loop in heap_read_proc() in ksrc/nucleus/heap.c
its obvious.

Stefan


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