[Developers] buffer overflow

[John Sibert]

Yeah, I suspect some sort of problem with global objects, too. I'm 
reverting my admb to r119 and will decrease the size of the buffers. 
There is some flaky behavior with respect to the program name, too.

On 08/08/2011 07:49 AM, dave fournier wrote:
> On 11-08-08 10:34 AM, John Sibert wrote:
>
> Hard to say without being able to run it to reproduce the result.
> In the startup code a lot of global objects are initialized. offhand I 
> would suspect
> something to do with that.
>
>
>> Does any one understand this? The program appears to abort during 
>> startup. The problem developed overnight without me making any 
>> changes to the code.  If I compile without optimization, the program 
>> does not abort, but still behaves strangely.
>>
>> I'm using ADMB revision 123.
>>
>> $ tagest
>> *** buffer overflow detected ***: tagest terminated
>> ======= Backtrace: =========
>> /lib/libc.so.6(__fortify_fail+0x37)[0x7f53c8c18217]
>> /lib/libc.so.6(+0xfe0d0)[0x7f53c8c170d0]
>> tagest[0x4540fb]
>> tagest[0x40fbce]
>> /lib/libc.so.6(__libc_start_main+0xfd)[0x7f53c8b37c4d]
>> tagest[0x404d79]
>> ======= Memory map: ========
>> 00400000-0063a000 r-xp 00000000 08:01 
>> 3375391                            /home/jsibert/movemod/25/tpl/tagest
>> 0083a000-0083c000 r--p 0023a000 08:01 
>> 3375391                            /home/jsibert/movemod/25/tpl/tagest
>> 0083c000-0083e000 rw-p 0023c000 08:01 
>> 3375391                            /home/jsibert/movemod/25/tpl/tagest
>> 0083e000-00843000 rw-p 00000000 00:00 0
>> 00991000-009d6000 rw-p 00000000 00:00 
>> 0                                  [heap]
>> 7f53c87f9000-7f53c8b19000 rw-p 00000000 00:00 0
>> 7f53c8b19000-7f53c8c93000 r-xp 00000000 08:01 
>> 1106418                    /lib/libc-2.11.1.so
>> 7f53c8c93000-7f53c8e92000 ---p 0017a000 08:01 
>> 1106418                    /lib/libc-2.11.1.so
>> 7f53c8e92000-7f53c8e96000 r--p 00179000 08:01 
>> 1106418                    /lib/libc-2.11.1.so
>> 7f53c8e96000-7f53c8e97000 rw-p 0017d000 08:01 
>> 1106418                    /lib/libc-2.11.1.so
>> 7f53c8e97000-7f53c8e9c000 rw-p 00000000 00:00 0
>> 7f53c8e9c000-7f53c8eb2000 r-xp 00000000 08:01 
>> 7807118                    /lib/libgcc_s.so.1
>> 7f53c8eb2000-7f53c90b1000 ---p 00016000 08:01 
>> 7807118                    /lib/libgcc_s.so.1
>> 7f53c90b1000-7f53c90b2000 r--p 00015000 08:01 
>> 7807118                    /lib/libgcc_s.so.1
>> 7f53c90b2000-7f53c90b3000 rw-p 00016000 08:01 
>> 7807118                    /lib/libgcc_s.so.1
>> 7f53c90b3000-7f53c9135000 r-xp 00000000 08:01 
>> 1106422                    /lib/libm-2.11.1.so
>> 7f53c9135000-7f53c9334000 ---p 00082000 08:01 
>> 1106422                    /lib/libm-2.11.1.so
>> 7f53c9334000-7f53c9335000 r--p 00081000 08:01 
>> 1106422                    /lib/libm-2.11.1.so
>> 7f53c9335000-7f53c9336000 rw-p 00082000 08:01 
>> 1106422                    /lib/libm-2.11.1.so
>> 7f53c9336000-7f53c942c000 r-xp 00000000 08:01 
>> 2886064                    /usr/lib/libstdc++.so.6.0.13
>> 7f53c942c000-7f53c962c000 ---p 000f6000 08:01 
>> 2886064                    /usr/lib/libstdc++.so.6.0.13
>> 7f53c962c000-7f53c9633000 r--p 000f6000 08:01 
>> 2886064                    /usr/lib/libstdc++.so.6.0.13
>> 7f53c9633000-7f53c9635000 rw-p 000fd000 08:01 
>> 2886064                    /usr/lib/libstdc++.so.6.0.13
>> 7f53c9635000-7f53c964a000 rw-p 00000000 00:00 0
>> 7f53c964a000-7f53c966a000 r-xp 00000000 08:01 
>> 1105950                    /lib/ld-2.11.1.so
>> 7f53c983f000-7f53c9843000 rw-p 00000000 00:00 0
>> 7f53c9867000-7f53c9869000 rw-p 00000000 00:00 0
>> 7f53c9869000-7f53c986a000 r--p 0001f000 08:01 
>> 1105950                    /lib/ld-2.11.1.so
>> 7f53c986a000-7f53c986b000 rw-p 00020000 08:01 
>> 1105950                    /lib/ld-2.11.1.so
>> 7f53c986b000-7f53c986c000 rw-p 00000000 00:00 0
>> 7fff2a471000-7fff2a486000 rw-p 00000000 00:00 
>> 0                          [stack]
>> 7fff2a5ff000-7fff2a600000 r-xp 00000000 00:00 
>> 0                          [vdso]
>> ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 
>> 0                  [vsyscall]
>> Aborted
>>
>
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-- 
John Sibert
Emeritus Researcher, SOEST
University of Hawaii at Manoa

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