On Tue, Aug 07, 2018 at 02:18:34PM -0700, Kees Cook wrote: > v8 cover letter: > > I continue to hope this can land in v4.19, but I realize that's unlikely. > It would be nice, though, if some of the "trivial" patches could get taken > (e.g. cbc, xcbc, ccm VLA removals) so I don't have to keep repeating them. > *fingers crossed* > > Series cover letter: > > This is nearly the last of the VLA removals[1], but it's one of the > largest because crypto gets used in lots of places. After looking > through code, usage, reading the threads Gustavo started, and comparing > the use-cases to the other VLA removals that have landed in the kernel, > I think this series is likely the best way forward to shut the door on > VLAs forever. > > For background, the crypto stack usage is for callers to do an immediate > bit of work that doesn't allocate new memory. This means that other VLA > removal techniques (like just using kmalloc) aren't workable, and the > next common technique is needed: examination of maximum stack usage and > the addition of sanity checks. This series does that, and in several > cases, these maximums were already implicit in the code. > > This series is intended to land via the crypto tree for 4.19, though it > touches dm, networking, and a few other things as well, since there are > dependent patches (new crypto #defines being used, etc). I have applied patches 1-4 and 6-8. I'd like to get an ack from the dm folks regarding patch 5. As to patch 9, please fix it so it doesn't rely on the BUG_ON to catch things. Thanks, -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
