Re: Segmentation fault at malloc.c:4232
- From: hanpingtian@xxxxxxxxx
- Date: Sat, 1 Mar 2008 05:32:28 +0800
hi,
I just call STACKinit() as 16 line. STACKinit() calls malloc() to init
a stack. I will attach the source.
2008/2/29, Chris Jones <jonesc@xxxxxxxxxxxxxxxxx>:
hanpingtian@xxxxxxxxx wrote:
> hi,
>
> I have written a program and it failed with "Segmentation fault". With
> gdb, it seems that there is something wrong in the malloc.c:
>
> gdb) set args src.txt
> (gdb) r
> Starting program: /home/hpt/test/c/algorithms_in_c/4.17/compiler src.txt
>
> Program received signal SIGSEGV, Segmentation fault.
> _int_malloc (av=0x996120, bytes=14) at malloc.c:4232
> 4232 bck->fd = unsorted_chunks(av);
> (gdb) where
> #0 _int_malloc (av=0x996120, bytes=14) at malloc.c:4232
> #1 0x008abb7b in __libc_malloc (bytes=14) at malloc.c:3553
> #2 0x080486c1 in STACKinit (maxN=14) at STACK.c:8
> #3 0x08048565 in main (argc=1, argv=0x0) at compiler.c:16
>
> Is this a bug?
Yes, but almost certainly in your code not malloc.c .... What exactly do
you have in compiler.c, particularly at line 16 ?
cheers Chris
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