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Re: [PATCH v2 1/7] malloc: Add check for top size corruption.
On Nov 07 2017, Istvan Kurucsai <pistukem@gmail.com> wrote:
> diff --git a/malloc/malloc.c b/malloc/malloc.c
> index f94d51c..4a30c42 100644
> --- a/malloc/malloc.c
> +++ b/malloc/malloc.c
> @@ -4078,6 +4078,10 @@ _int_malloc (mstate av, size_t bytes)
>
> if ((unsigned long) (size) >= (unsigned long) (nb + MINSIZE))
> {
> + if (__glibc_unlikely ((unsigned long) (size) >
> + (unsigned long) (av->system_mem)))
Line break before operator, not after. Redundant parens.
> + malloc_printerr("malloc(): corrupted top chunk");
Space before paren.
Andreas.
--
Andreas Schwab, SUSE Labs, schwab@suse.de
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