Re: Double free() in libc or gdb ?

From: Konstantin Belousov <kostikbel_at_gmail.com>
Date: Mon, 12 Mar 2012 19:55:55 +0200
On Mon, Mar 12, 2012 at 05:50:33PM +0100, Alexandre Martins wrote:
> Dear all,
> 
> I'm currently having some trouble with the dynamic loader.
> 
> I have the libc compilled with "MALLOC_DEBUG" flag to detect double free.
> When i run this piece of code (attached file) thought GDB, i have this 
> assertion :
> 
> Assertion failed: ((run->regs_mask[elm] & (1U << bit)) == 0), function 
> arena_run_reg_dalloc, file /usr/src/lib/libc/stdlib/malloc.c, line 2543.
> 
> But when i run the same binary without GDB, no assert.
> 
> I'm very confused. Can you help me to debug that ?
There is no attachment.  Put the source somewhere on web.
Received on Mon Mar 12 2012 - 16:56:03 UTC

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