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Re: Minor patch to correct buffer overrun

From: Chris Sutcliffe
Subject: Re: Minor patch to correct buffer overrun
Date: Mon, 16 Aug 2010 16:53:27 -0400
User-agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-GB; rv: Gecko/20100802 Thunderbird/3.1.2

 On 16/08/2010 1:28 PM, Eli Zaretskii wrote:
The most important piece of information we need is to see where it
crashed and how.  Please run Make under GDB, and when it crashes, type
"bt full" and post the output here.

Here you go:

C:\Users\Chris\Downloads>gdb make
GNU gdb (GDB) 7.1
Copyright (C) 2010 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "mingw32".
For bug reporting instructions, please see:
Reading symbols from C:\Users\Chris\Downloads/make.exe...done.
(gdb) run
Starting program: C:\Users\Chris\Downloads/make.exe
[New Thread 560.0xb4c]

Program received signal SIGSEGV, Segmentation fault.
0x00403a03 in find_directory (name=<value optimized out>) at ../make-3.82/dir.c:537
537                   else if (!strcmp(fs_type, "FAT"))
(gdb) bt full
#0 0x00403a03 in find_directory (name=<value optimized out>) at ../make-3.82/dir.c:537
        dc = Cannot access memory at address 0x63726dcf

As I mentioned, as a result of the optimization debugging is problematic. Compiling without optimization works just fine.


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