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- Inlines copy_*_user() for correct use of __builtin_const_p() for hardened

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usercopy and the recent compile-time checks.
 - Switches hardened usercopy to only check non-const size arguments to avoid
   meaningless checks on likely-sane const values.
 - Updates lkdtm usercopy tests to compenstate for the const checking.
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Merge tag 'usercopy-v4.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull hardened usercopy fixes from Kees Cook:

 - inline copy_*_user() for correct use of __builtin_const_p() for
   hardened usercopy and the recent compile-time checks.

 - switch hardened usercopy to only check non-const size arguments to
   avoid meaningless checks on likely-sane const values.

 - update lkdtm usercopy tests to compenstate for the const checking.

* tag 'usercopy-v4.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  lkdtm: adjust usercopy tests to bypass const checks
  usercopy: fold builtin_const check into inline function
  x86/uaccess: force copy_*_user() to be inlined
This commit is contained in:
Linus Torvalds 2016-09-07 09:29:36 -07:00
commit 08411a7554
7 changed files with 38 additions and 41 deletions
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