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

Groups > linux.kernel > #1629606

Re: [PATCH 2/5] KEYS: user_defined: sanitize key payloads

From David Howells <dhowells@redhat.com>
Newsgroups linux.kernel
Subject Re: [PATCH 2/5] KEYS: user_defined: sanitize key payloads
Date 2017-04-24 16:20 +0200
Message-ID <tzN0l-83T-5@gated-at.bofh.it> (permalink)
References <tyLDk-LM-13@gated-at.bofh.it> <tyCgG-3B2-35@gated-at.bofh.it> <tyCgF-3B2-9@gated-at.bofh.it> <tyHgn-6ts-27@gated-at.bofh.it> <tyLDk-LM-13@gated-at.bofh.it>
Organization Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903

Show all headers | View raw

Eric Biggers <ebiggers3@gmail.com> wrote:

> > Add kzfree_rcu()?
> > 
> > David
> 
> We could, but it's not trivial because the way kfree_rcu() works is to store
> the offset of the rcu_head as the callback function, then have a special
> case in RCU reclaim that recognizes "function pointers" with value < 4096
> and call kfree() rather than the function. ...

Okay, that sounds reasonable.

David

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

Thread

[PATCH 0/5] KEYS: sanitize key payloads Eric Biggers <ebiggers3@gmail.com> - 2017-04-21 10:40 +0200
  [PATCH 1/5] KEYS: sanitize add_key() and keyctl() key payloads Eric Biggers <ebiggers3@gmail.com> - 2017-04-21 10:40 +0200
    Re: [PATCH 1/5] KEYS: sanitize add_key() and keyctl() key payloads Eric Biggers <ebiggers3@gmail.com> - 2017-04-28 20:00 +0200
  [PATCH 4/5] KEYS: trusted: sanitize all key material Eric Biggers <ebiggers3@gmail.com> - 2017-04-21 10:40 +0200
  [PATCH 2/5] KEYS: user_defined: sanitize key payloads Eric Biggers <ebiggers3@gmail.com> - 2017-04-21 10:40 +0200
    Re: [PATCH 2/5] KEYS: user_defined: sanitize key payloads David Howells <dhowells@redhat.com> - 2017-04-21 16:00 +0200
      Re: [PATCH 2/5] KEYS: user_defined: sanitize key payloads Eric Biggers <ebiggers3@gmail.com> - 2017-04-21 20:40 +0200
        Re: [PATCH 2/5] KEYS: user_defined: sanitize key payloads David Howells <dhowells@redhat.com> - 2017-04-24 16:20 +0200
  Re: [PATCH 0/5] KEYS: sanitize key payloads David Howells <dhowells@redhat.com> - 2017-04-27 17:10 +0200
    Re: [PATCH 0/5] KEYS: sanitize key payloads Eric Biggers <ebiggers3@gmail.com> - 2017-04-27 19:50 +0200

csiph-web