[PATCH][next] crypto: chtls: don't leak information from the stack to userspace

From: Colin Ian King The structure crypto_info contains fields that are not initialized and only .version is set. The copy_to_user call is hence leaking information from the stack to userspace which must be avoided. Fix this by zero'ing all the unused fields. Detected

Re: [RESEND] SHASH_DESC_ON_STACK macro

Hi Herbert, On 03/27/2018 05:07 AM, Herbert Xu wrote: On Fri, Mar 23, 2018 at 02:09:46PM -0500, Gustavo A. R. Silva wrote: Hi Herbert, There is an ongoing effort to remove all VLAs from the code base [1] and while working on that I came across the following macro at

Re: [PATCH 1/2] crypto: thunderx_zip: Fix fallout from CONFIG_VMAP_STACK

On Wed, Mar 28, 2018 at 03:05:56PM +0200, Jan Glauber wrote: > Enabling virtual mapped kernel stacks breaks the thunderx_zip > driver. On compression or decompression the executing CPU hangs > in an endless loop. The reason for this is the usage of __pa > by the driver which does no longer work