https://github.com/torvalds/linux
Revision e7afe6c1d486b516ed586dcc10b3e7e3e85a9c2b authored by Scott Mayhew on 15 February 2019, 18:42:02 UTC, committed by J. Bruce Fields on 15 February 2019, 19:56:51 UTC
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@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
1 parent 3bf6b57
History
Tip revision: e7afe6c1d486b516ed586dcc10b3e7e3e85a9c2b authored by Scott Mayhew on 15 February 2019, 18:42:02 UTC
sunrpc: fix 4 more call sites that were using stack memory with a scatterlist
Tip revision: e7afe6c
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