On 22/04/2020 12:45, Dan Carpenter wrote: > On Wed, Apr 22, 2020 at 12:24:17PM +0100, Colin King wrote: >> From: Colin Ian King <colin.king@xxxxxxxxxxxxx> >> >> Field header.tlv is uninitialized and being copied back to userspace > ^^^^^^^^^^ > header.tlv is a zero element array so it doens't have any stack data. Thanks Dan, I totally overlooked that. That's another class if issues I need to triage correctly. > >> and hence leaking data from the stack to userspace. Fix this by >> ensuring the header structure is zero'd. > > regards, > dan carpenter > >