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<TITLE>sane-devel: Re: scanimage -T using Purify...</TITLE>
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<META NAME="Author" CONTENT="Henning Meier-Geinitz (henning@meier-geinitz.de)">
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<META NAME="Subject" CONTENT="Re: scanimage -T using Purify...">
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<H1>Re: scanimage -T using Purify...</H1>
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<!-- received="Sun May 13 01:47:40 2001" -->
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<!-- sent="Sun, 13 May 2001 10:54:59 +0200" -->
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<!-- isosent="20010513085459" -->
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<!-- name="Henning Meier-Geinitz" -->
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<!-- subject="Re: scanimage -T using Purify..." -->
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<!-- inreplyto="E14xz9v-0001aS-00@false.linpro.no" -->
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<STRONG>From:</STRONG> Henning Meier-Geinitz (<A HREF="mailto:henning@meier-geinitz.de?Subject=Re:%20scanimage%20-T%20using%20Purify...&In-Reply-To=<20010513105459.C31864@vortex.swb.de>"><EM>henning@meier-geinitz.de</EM></A>)<BR>
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<STRONG>Date:</STRONG> Sun May 13 2001 - 01:54:59 PDT
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<P>
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<LI><STRONG>Next message:</STRONG> <A HREF="0173.html">Oliver Rauch: "Re: SV: Xsane - (w)insane?"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0171.html">Henning Meier-Geinitz: "Re: Xsane - winsane? was Re: saned won't run under inetd"</A>
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<LI><STRONG>In reply to:</STRONG> <A HREF="0121.html">Petter Reinholdtsen: "Re: scanimage -T using Purify..."</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0177.html">Henning Meier-Geinitz: "Re: scanimage -T using Purify..."</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0177.html">Henning Meier-Geinitz: "Re: scanimage -T using Purify..."</A>
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<HR NOSHADE><P>
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<P>
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Hi,
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<BR>
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<P>On Fri, May 11, 2001 at 12:43:47AM +0200, Petter Reinholdtsen wrote:
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<BR>
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<EM>> **** Purify instrumented /export/home/pere/gnu/bin/scanimage (pid 4903) ****
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</EM><BR>
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<EM>> UMR: Uninitialized memory read (2 times):
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</EM><BR>
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<EM>> * This is occurring while in:
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</EM><BR>
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<EM>> sane_umax_init [umax.c:5337]
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</EM><BR>
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<P>That's config_line[len - 1]
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<BR>
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<P><EM>> **** Purify instrumented /export/home/pere/gnu/bin/scanimage (pid 4903) ****
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</EM><BR>
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<EM>> UMR: Uninitialized memory read (3 times):
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</EM><BR>
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<EM>> * This is occurring while in:
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</EM><BR>
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<EM>> bin_w_word [sanei_codec_bin.c:98]
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</EM><BR>
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<EM>> sanei_w_word [sanei_wire.c:215]
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</EM><BR>
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<EM>> sanei_w_array [sanei_wire.c:161]
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</EM><BR>
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<EM>> w_option_value [sanei_net.c:125]
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</EM><BR>
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<EM>> sanei_w_control_option_req [sanei_net.c:148]
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</EM><BR>
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<EM>> sanei_w_call [sanei_wire.c:405]
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</EM><BR>
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<EM>> * Reading 4 bytes from 0xffbef12c on the stack.
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</EM><BR>
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<P>I don't understand yet. It's occuring when reading *v while
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<BR>
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w->direction==WIRE_ENCODE. The only thing I can think of is that len
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<BR>
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may be set incorrectly or something like that.
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<BR>
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<P>Which scanner do you use on the other computer? Can you try to find
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<BR>
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out which option value is set with control_option in this case?
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<BR>
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<P><EM>> MLK: 1263 bytes leaked in 29 blocks
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</EM><BR>
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<EM>> * This memory was allocated from:
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</EM><BR>
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<EM>> malloc [rtlib.o]
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</EM><BR>
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<EM>> sanei_w_array [sanei_wire.c:146]
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</EM><BR>
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<P>--> w->direction == WIRE_DECODE
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<BR>
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<P><EM>> bin_w_string [sanei_codec_bin.c:84]
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</EM><BR>
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<EM>> sanei_w_string [sanei_wire.c:221]
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</EM><BR>
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<EM>> sanei_w_option_descriptor [sanei_wire.c:325]
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</EM><BR>
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<EM>> sanei_w_ptr [sanei_wire.c:194]
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</EM><BR>
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<P>I will look for this one and the other sanei_w leaks. Some of them
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<BR>
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seem to be located in net.c in reality.
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<BR>
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<P><EM>> MLK: 20 bytes leaked at 0x271f50
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</EM><BR>
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<EM>> * This memory was allocated from:
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</EM><BR>
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<EM>> malloc [rtlib.o]
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</EM><BR>
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<EM>> attach [as6e.c:841]
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</EM><BR>
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<EM>> sane_as6e_init [as6e.c:627]
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</EM><BR>
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<EM>> init [dll.c:400]
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</EM><BR>
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<EM>> sane_dll_get_devices [dll.c:661]
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</EM><BR>
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<EM>> sane_get_devices [dll-s.c:15]
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</EM><BR>
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<P>attach: memory (dev) isn't freed if diver isn't found. Added to TODO
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<BR>
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list.
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<BR>
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<P><EM>> MLK: 11 bytes leaked at 0x2756b8
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</EM><BR>
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<EM>> * This memory was allocated from:
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</EM><BR>
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<EM>> malloc [rtlib.o]
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</EM><BR>
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<EM>> strdup [libc.so.1]
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</EM><BR>
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<EM>> attach [as6e.c:845]
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</EM><BR>
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<EM>> sane_as6e_init [as6e.c:627]
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</EM><BR>
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<EM>> init [dll.c:400]
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</EM><BR>
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<EM>> sane_dll_get_devices [dll.c:661]
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</EM><BR>
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<P>Memory from strdup isn't freed if driver not found (-->TODO).
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<BR>
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<P><EM>> MLK: 1 byte leaked at 0x27a248
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</EM><BR>
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<EM>> * This memory was allocated from:
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</EM><BR>
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<EM>> malloc [rtlib.o]
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</EM><BR>
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<EM>> strndup [strndup.c:33]
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</EM><BR>
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<EM>> sanei_config_get_string [sanei_config.c:172]
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</EM><BR>
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<EM>> sane_avision_init [avision.c:1393]
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</EM><BR>
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<EM>> init [dll.c:400]
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</EM><BR>
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<EM>> sane_dll_get_devices [dll.c:661]
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</EM><BR>
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<P>word isn't freed sometimes (maybe if cp == line?) (--> TODO)
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<BR>
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<P>Bye,
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<BR>
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Henning
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<BR>
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<P><PRE>
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--
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Source code, list archive, and docs: <A HREF="http://www.mostang.com/sane/">http://www.mostang.com/sane/</A>
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</PRE>
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<LI><STRONG>Next message:</STRONG> <A HREF="0173.html">Oliver Rauch: "Re: SV: Xsane - (w)insane?"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0171.html">Henning Meier-Geinitz: "Re: Xsane - winsane? was Re: saned won't run under inetd"</A>
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<LI><STRONG>In reply to:</STRONG> <A HREF="0121.html">Petter Reinholdtsen: "Re: scanimage -T using Purify..."</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0177.html">Henning Meier-Geinitz: "Re: scanimage -T using Purify..."</A>
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<SMALL>
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<EM>
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This archive was generated by <A HREF="http://www.hypermail.org/">hypermail 2b29</A>
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: <EM>Sun May 13 2001 - 01:51:41 PDT</EM>
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</EM>
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