Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1540054

Re: Remaining crypto API regressions with CONFIG_VMAP_STACK

From Andy Lutomirski <luto@amacapital.net>
Newsgroups linux.kernel
Subject Re: Remaining crypto API regressions with CONFIG_VMAP_STACK
Date 2016-12-11 20:20 +0100
Message-ID <sNhPb-2YZ-9@gated-at.bofh.it> (permalink)
References <sMCsG-UG-11@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw

On Fri, Dec 9, 2016 at 3:08 PM, Eric Biggers <ebiggers3@gmail.com> wrote:
> In the 4.9 kernel, virtually-mapped stacks will be supported and enabled by
> default on x86_64.  This has been exposing a number of problems in which
> on-stack buffers are being passed into the crypto API, which to support crypto
> accelerators operates on 'struct page' rather than on virtual memory.
>

>         fs/cifs/smbencrypt.c:96

This should use crypto_cipher_encrypt_one(), I think.

--Andy

Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

Remaining crypto API regressions with CONFIG_VMAP_STACK Eric Biggers <ebiggers3@gmail.com> - 2016-12-10 00:10 +0100
  Re: Remaining crypto API regressions with CONFIG_VMAP_STACK Andy Lutomirski <luto@amacapital.net> - 2016-12-10 06:30 +0100
    Re: Remaining crypto API regressions with CONFIG_VMAP_STACK Herbert Xu <herbert@gondor.apana.org.au> - 2016-12-10 06:40 +0100
      Re: [kernel-hardening] Re: Remaining crypto API regressions with  CONFIG_VMAP_STACK Eric Biggers <ebiggers3@gmail.com> - 2016-12-10 07:10 +0100
        Re: [kernel-hardening] Re: Remaining crypto API regressions with  CONFIG_VMAP_STACK Herbert Xu <herbert@gondor.apana.org.au> - 2016-12-10 09:20 +0100
          Re: Remaining crypto API regressions with CONFIG_VMAP_STACK Eric Biggers <ebiggers3@gmail.com> - 2016-12-10 09:40 +0100
    Re: Remaining crypto API regressions with CONFIG_VMAP_STACK Herbert Xu <herbert@gondor.apana.org.au> - 2016-12-10 06:40 +0100
      Re: [kernel-hardening] Re: Remaining crypto API regressions with  CONFIG_VMAP_STACK Eric Biggers <ebiggers3@gmail.com> - 2016-12-10 07:40 +0100
      Re: [kernel-hardening] Re: Remaining crypto API regressions with CONFIG_VMAP_STACK "Jason A. Donenfeld" <Jason@zx2c4.com> - 2016-12-10 15:50 +0100
        Re: [kernel-hardening] Re: Remaining crypto API regressions with CONFIG_VMAP_STACK Andy Lutomirski <luto@amacapital.net> - 2016-12-10 18:50 +0100
    Re: Remaining crypto API regressions with CONFIG_VMAP_STACK Eric Biggers <ebiggers3@gmail.com> - 2016-12-10 07:00 +0100
  Re: Remaining crypto API regressions with CONFIG_VMAP_STACK Andy Lutomirski <luto@amacapital.net> - 2016-12-11 20:20 +0100
    Re: Remaining crypto API regressions with CONFIG_VMAP_STACK Eric Biggers <ebiggers3@gmail.com> - 2016-12-12 00:40 +0100
  Re: Remaining crypto API regressions with CONFIG_VMAP_STACK Andy Lutomirski <luto@amacapital.net> - 2016-12-12 19:40 +0100
    Re: Remaining crypto API regressions with CONFIG_VMAP_STACK Herbert Xu <herbert@gondor.apana.org.au> - 2016-12-13 04:40 +0100
      Re: Remaining crypto API regressions with CONFIG_VMAP_STACK Andy Lutomirski <luto@amacapital.net> - 2016-12-13 18:10 +0100
        Re: Remaining crypto API regressions with CONFIG_VMAP_STACK Herbert Xu <herbert@gondor.apana.org.au> - 2016-12-14 06:00 +0100
    Re: Remaining crypto API regressions with CONFIG_VMAP_STACK Herbert Xu <herbert@gondor.apana.org.au> - 2016-12-13 04:50 +0100

csiph-web