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List:       linux-ha-dev
Subject:    Re: [Linux-ha-dev] return code 139
From:       David Lee <t.d.lee () durham ! ac ! uk>
Date:       2006-04-26 17:13:18
Message-ID: Pine.GSO.4.58.0604261807540.164 () arachne ! dur ! ac ! uk
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On Wed, 26 Apr 2006, David Lee wrote:

> [...]
> In "membership/ccm/ccm.c" (gdb frame #4 above) the code is:
> ------------------------------
>                 type = ha_msg_value(msg, F_TYPE);
>                 orig = ha_msg_value(msg, F_ORIG);
>                 status = ha_msg_value(msg, F_STATUS);
>
>                 ccm_debug(LOG_DEBUG, "recv msg %s from %s, status:%s"
>                 ,       type, orig, status);
> ------------------------------
>
>
> Looking at the values:
> ------------------------------
> (gdb) print type
> $3 = 0x39da8 "resource"
> (gdb) print orig
> $4 = 0x36928 "shiel"
> (gdb) print status
> $5 = 0x0
> (gdb)
> ------------------------------
>
>
> So that's the problem: calling a "printf"-like routine with a null pointer
> (variable "status") for a "%s" value.  A null "%s" is technically illegal.

I've applied patch in CVS, so that the "status" passed to "ccm_debug(...)"
is never null.

Now BasicSanityCheck (which is what exposed the problem in my case) is one
step closer to working on Solaris.  (Indeed, with CSW/blastwave Solaris
packages, BSC is almost (not quite) all there.  Pleasing.)


-- 

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:  Senior Systems Programmer                Computer Centre       :
:                                           Durham University     :
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