Re: [PATCH][next] sctp: Fix out-of-bounds warning in sctp_process_asconf_param()
From: Marcelo Ricardo Leitner
Date: Fri Apr 16 2021 - 17:12:47 EST
On Fri, Apr 16, 2021 at 02:12:36PM -0500, Gustavo A. R. Silva wrote:
> Fix the following out-of-bounds warning:
>
> net/sctp/sm_make_chunk.c:3150:4: warning: 'memcpy' offset [17, 28] from the object at 'addr' is out of the bounds of referenced subobject 'v4' with type 'struct sockaddr_in' at offset 0 [-Warray-bounds]
>
> This helps with the ongoing efforts to globally enable -Warray-bounds
> and get us closer to being able to tighten the FORTIFY_SOURCE routines
> on memcpy().
>
> Link: https://github.com/KSPP/linux/issues/109
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> Signed-off-by: Gustavo A. R. Silva <gustavoars@xxxxxxxxxx>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@xxxxxxxxx>
Thanks.