On Tue, Feb 19, 2019 at 02:36:27PM -0500, Scott Mayhew wrote: > (cherry picked from commit e7afe6c1d486b516ed586dcc10b3e7e3e85a9c2b) > > While trying to reproduce a reported kernel panic on arm64, I discovered > that AUTH_GSS basically doesn't work at all with older enctypes on arm64 > systems with CONFIG_VMAP_STACK enabled. It turns out there still a few > places using stack memory with scatterlists, causing krb5_encrypt() and > krb5_decrypt() to produce incorrect results (or a BUG if CONFIG_DEBUG_SG > is enabled). > > Tested with cthon on v4.0/v4.1/v4.2 with krb5/krb5i/krb5p using > des3-cbc-sha1 and arcfour-hmac-md5. > > Signed-off-by: Scott Mayhew <smayhew@xxxxxxxxxx> > Cc: stable@xxxxxxxxxxxxxxx > Signed-off-by: J. Bruce Fields <bfields@xxxxxxxxxx> > > Conflicts: > net/sunrpc/auth_gss/gss_krb5_seqnum.c These two lines are not needed :) Anyway, thanks for the backport, now queued up for both trees. greg k-h
