From: Russ Cox <russcox@gmail.com>
To: Sergey Reva <rs_rlab@mail.ru>,
Fans of the OS Plan 9 from Bell Labs <9fans@cse.psu.edu>
Subject: Re: [9fans] realloc
Date: Sat, 26 Feb 2005 14:18:18 -0500 [thread overview]
Message-ID: <ee9e417a05022611186ad24d96@mail.gmail.com> (raw)
In-Reply-To: <17224107765.20050226193730@mail.ru>
you scribbled past the end of the buffer with an extra 0064.
the ef100064 should be more like ef1000be. look in the
archives for the explanation of these dumps that i gave
a week ago in the tip o' the day thread.
your other problems may well go away once you fix this.
russ
On Sat, 26 Feb 2005 19:37:30 +0200, Sergey Reva <rs_rlab@mail.ru> wrote:
> Hello Fans
>
> I use realloc to increase buffer, and 3-5 cucle of resizing work fine,
> but others produce this:
>
> corrupt tail magic0
> pool sbrkmem block 38178
> hdr 0a110c09 00000020 00001429 00000000 00640064 00640064
> tail 0a110c09 00000020 00001429 00000000 00640064 00640064 | ef100064 00000020
> user data 64 00 64 00 64 00 64 00 | 64 00 10 ef 20 00 00 00
> panic: pool panic
> 8.out 2318: suicide: sys: trap: fault read addr=0x0 pc=0x0000375b
>
> What useful information I can get from this? What meaning of fields in this
> output?
> --
> http://rs-rlab.narod.ru mailto:rs_rlab@mail.ru
>
>
next prev parent reply other threads:[~2005-02-26 19:18 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-02-26 17:37 Sergey Reva
2005-02-26 17:58 ` Sergey Reva
2005-02-26 18:05 ` Charles Forsyth
2005-02-26 19:18 ` Russ Cox [this message]
2005-03-02 17:26 ` Sergey Reva
2005-03-02 18:16 ` rog
2005-03-03 6:13 ` Sergey Reva
2005-03-03 9:18 ` Charles Forsyth
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