Re: jemalloc SEGV problem

[Channa <channa.kad%gmail.com@localhost>]

Yes , I do understand the printf calls malloc where the system crashes.
I have not modified any internal structures in the malloc implementation.
Its just a direct jemalloc.c taken from NetBSD CVS repo.

Regards,
Channa

2008/11/7 Christos Zoulas <christos%astron.com@localhost>:
> In article 
> <515c64960811062111l2308407cve5adf4d70f16d75d%mail.gmail.com@localhost>,
> Channa  <channa.kad%gmail.com@localhost> wrote:
>>Hi,
>>Yes i included
>>All these header files.
>>
>>#include <stdio.h>
>>#include <stdlib.h>
>>#include <string.h>
>>int main()
>>{
>>char *ptr;
>>ptr=malloc(10);
>>strcpy(ptr,"hello");
>>printf("%s\n",ptr);
>>return 0;
>>}
>>
>>But i am not able to understand where exactly is the problem to use jemalloc.c
>>
>>Since in the jemalloc.c code i have not modified much apart from the
>>things i mentioned in my prev mail.
>>
>>Thanks in Advance,
>>Channagoud
>>
>>2008/11/6 Christos Zoulas <christos%astron.com@localhost>:
>>> In article 
>>> <515c64960811060431g3f4301e3se4a52cb4183a5f95%mail.gmail.com@localhost>,
>>> Channa  <channa.kad%gmail.com@localhost> wrote:
>>>>Hi,
>>>>I am using the jemalloc.c file for my own library i could successfully
>>build it.
>>>>
>>>>But when i run a test cases  i am getting segmentation fault.
>>>>
>>>>The stack trace is as below:
>>>>#0  0x4006c304 in arena_run_split () from
>>>>/home/channagoud/channagoud_work/ARM/GIT/jemalloc/sslibc/build/lib//libsonyc.so
>>>>#1  0x4006cb6c in arena_run_alloc () from
>>>>/home/channagoud/channagoud_work/ARM/GIT/jemalloc/sslibc/build/lib//libsonyc.so
>>>>#2  0x4006e8a4 in arena_malloc () from
>>>>/home/channagoud/channagoud_work/ARM/GIT/jemalloc/sslibc/build/lib//libsonyc.so
>>>>#3  0x4006ea50 in malloc () from
>>>>/home/channagoud/channagoud_work/ARM/GIT/jemalloc/sslibc/build/lib//libsonyc.so
>>>>#4  0x4007512c in __smakebuf () from
>>>>/home/channagoud/channagoud_work/ARM/GIT/jemalloc/sslibc/build/lib//libsonyc.so
>>>>#5  0x4007ab08 in __swsetup () from
>>>>/home/channagoud/channagoud_work/ARM/GIT/jemalloc/sslibc/build/lib//libsonyc.so
>>>>#6  0x400747e0 in __sfvwrite () from
>>>>/home/channagoud/channagoud_work/ARM/GIT/jemalloc/sslibc/build/lib//libsonyc.so
>>>>#7  0x400757e8 in puts () from
>>>>/home/channagoud/channagoud_work/ARM/GIT/jemalloc/sslibc/build/lib//libsonyc.so
>>>>#8  0x00008494 in main () at test.c:5
>
> One thing to note here is that you are dying in the malloc() call from
> the printf(), not the first one...
>
> christos
>
>