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Linus Torvalds 6ba0d2e4fc Fix sysfs module section output overflow 
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Merge tag 'kallsyms_show_value-fix-v5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull sysfs module section fix from Kees Cook:
 "Fix sysfs module section output overflow.

  About a month after my kallsyms_show_value() refactoring landed, 0day
  noticed that there was a path through the kernfs binattr read handlers
  that did not have PAGE_SIZEd buffers, and the module "sections" read
  handler made a bad assumption about this, resulting in it stomping on
  memory when reached through small-sized splice() calls.

  I've added a set of tests to find these kinds of regressions more
  quickly in the future as well"

Sefltests-acked-by: Shuah Khan <skhan@linuxfoundation.org>

* tag 'kallsyms_show_value-fix-v5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  selftests: splice: Check behavior of full and short splices
  module: Correctly truncate sysfs sections output
2020-08-07 13:24:58 -07:00
arch
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Documentation More power management updates for 5.9-rc1 2020-08-07 13:13:09 -07:00
drivers More power management updates for 5.9-rc1 2020-08-07 13:13:09 -07:00
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include More power management updates for 5.9-rc1 2020-08-07 13:13:09 -07:00
init
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kernel Fix sysfs module section output overflow 2020-08-07 13:24:58 -07:00
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README 

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.