On Thu, Aug 22, 2019 at 10:14:12AM +0200, Michal Simek wrote: > Hi Dan, > > On 21. 08. 19 9:06, Dan Carpenter wrote: > > These structs have holes in them so we end up disclosing a few bytes of > > uninitialized stack data. > > > > drivers/misc/xilinx_sdfec.c:305 xsdfec_get_status() warn: check that 'status' doesn't leak information (struct has a hole after 'activity') > > drivers/misc/xilinx_sdfec.c:449 xsdfec_get_turbo() warn: check that 'turbo_params' doesn't leak information (struct has a hole after 'scale') > > Who is generating these warnings? Is this any new GCC or different tool? > I see that 3byte padding but never seen these warnings. This is a Smatch check. regards, dan carpenter
