| Date | Mon, 5 Jun 2017 13:06:52 -0700 | From | Eric Biggers <> | Subject | Re: [kernel-hardening] Re: [PATCH 3.18 01/33] Revert "stackprotector: Increase the per-task stack canarys random range from 32 bits to 64 bits on 64-bit platforms" |
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On Mon, Jun 05, 2017 at 12:13:11PM -0700, Kees Cook wrote: > On Mon, Jun 5, 2017 at 9:16 AM, Greg Kroah-Hartman > <gregkh@linuxfoundation.org> wrote: > > 3.18-stable review patch. If anyone has any objections, please let me know. > > > > ------------------ > > > > From: Greg Kroah-Hartman <gregkh@linuxfoundation.org> > > > > This reverts commit 609a3e81550b0b4ea87197b0f59455a7bcff975a which is > > commit 5ea30e4e58040cfd6434c2f33dc3ea76e2c15b05 upstream. > > > > It shouldn't have been backported to 3.18, as we do not have > > get_random_long() in that kernel tree. > > It should be possible to trivially backport > ec9ee4acd97c0039a61c0ae4f12705767ae62153 to gain get_random_long(). > > -Kees
If that's done it may be a good idea to take b1132deac01c2332d234fa821a70022796b79182 as well, which fixed an alignment bug in get_random_long().
Eric
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