Bug 147790

Summary: "xwdtopnm: object too large"
Product: [Fedora] Fedora Reporter: Jonathan Kamens <h1k6zn2m>
Component: netpbmAssignee: Jindrich Novy <jnovy>
Status: CLOSED RAWHIDE QA Contact: Ben Levenson <benl>
Severity: medium Docs Contact:
Priority: medium    
Version: rawhideCC: pknirsch
Target Milestone: ---   
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: 10.26.4-3 Doc Type: Bug Fix
Doc Text:
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Clone Of: Environment:
Last Closed: 2005-03-14 09:21:32 UTC Type: ---
Regression: --- Mount Type: ---
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Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description Flags
bzipped xwd that exhibits this problem none

Description Jonathan Kamens 2005-02-11 11:01:13 UTC 
I dump a window with xwd and then try to convert it with xwdtopnm from
netpbm-10.26-1.  I get: "xwdtopnm: object too large".  ImageMagick
says it's a 937x918 window dump.
Comment 1 Jindrich Novy 2005-02-15 14:10:28 UTC 
Hello Jonathan,

I was unable to reproduce it with netpbm-10.26-1 and
ImageMagick-6.0.7.1-4. Could you attach here the xwd image that needs
to be converted with xwdtopnm?

Jindrich
Comment 2 Jonathan Kamens 2005-02-16 03:30:08 UTC 
Created attachment 111122 [details]
bzipped xwd that exhibits this problem

Unbzip this and run "xwdtopnm < mozilla.xwd" and it produces the "object too
large" error I reported.  Interestingly, when I run "xwdtopnm -verbose <
mozilla.xwd" I get "Input is different endianness from this machine" before I
get "object too large".
Comment 3 Jindrich Novy 2005-03-14 09:02:39 UTC 
You're right. The problem is with multiplication overflow checking, where
bytes_per_line is got from a wrong structure (h11P), but the values with which
are lately operated are in h11FixedP, so the overflow check generates bogus
warnings as the h11P structure contains integers with incompatible endianess.

I fixed the overflow check and will close this bug after new netpbm is built.

Thanks,
Jindrich
Comment 4 Jindrich Novy 2005-03-14 09:21:32 UTC 
New netpbm is just built.