Daniel Colascione b537900f15 userfaultfd: use secure anon inodes for userfaultfd
This change gives userfaultfd file descriptors a real security
context, allowing policy to act on them.

Signed-off-by: Daniel Colascione <dancol@google.com>
[LG: Remove owner inode from userfaultfd_ctx]
[LG: Use anon_inode_getfd_secure() in userfaultfd syscall]
[LG: Use inode of file in userfaultfd_read() in resolve_userfault_fork()]
Signed-off-by: Lokesh Gidra <lokeshgidra@google.com>
Reviewed-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
2021-01-14 17:40:57 -05:00
2021-01-01 12:58:07 -08:00
2021-01-01 12:29:49 -08:00
2020-12-16 16:38:41 -08:00
2020-12-23 15:11:08 -08:00
2020-12-20 10:44:05 -08:00
2020-10-17 11:18:18 -07:00
2020-12-16 13:42:26 -08:00
2021-01-03 15:55:30 -08:00

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.
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