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Re: Usage of unitialized heap in tic4x_print_cond
On Sun, Dec 29, 2019 at 05:32:48PM +0100, Tim Rühsen wrote:
> On 29.12.19 12:41, Alan Modra wrote:
> > PR 25319
> > * tic4x-dis.c (tic4x_print_cond): Init all of condtable.
> >
> > diff --git a/opcodes/tic4x-dis.c b/opcodes/tic4x-dis.c
> > index d9f95c9410..01cfa1e060 100644
> > --- a/opcodes/tic4x-dis.c
> > +++ b/opcodes/tic4x-dis.c
> > @@ -277,7 +277,7 @@ tic4x_print_cond (struct disassemble_info *info, unsigned int cond)
> >
> > if (condtable == NULL)
> > {
> > - condtable = xmalloc (sizeof (tic4x_cond_t *) * 32);
> > + condtable = xcalloc (sizeof (tic4x_cond_t *), 32);
> > for (i = 0; i < tic4x_num_conds; i++)
> > condtable[tic4x_conds[i].cond] = (tic4x_cond_t *)(tic4x_conds + i);
> > }
>
> Sorry for being nitpicking, but isn't it xcalloc(nmemb, size) ?
Correct, thanks. Fixed, not that it matters much.
--
Alan Modra
Australia Development Lab, IBM