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This renames the (now inaccurate) CONFIG_DEBUG_RODATA and related config

Browse source 
CONFIG_SET_MODULE_RONX to the more sensible CONFIG_STRICT_KERNEL_RWX and
 CONFIG_STRICT_MODULE_RWX.
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 Comment: Kees Cook <kees@outflux.net>
 
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Merge tag 'rodata-v4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull rodata updates from Kees Cook:
 "This renames the (now inaccurate) DEBUG_RODATA and related
  SET_MODULE_RONX configs to the more sensible STRICT_KERNEL_RWX and
  STRICT_MODULE_RWX"

* tag 'rodata-v4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  arch: Rename CONFIG_DEBUG_RODATA and CONFIG_DEBUG_MODULE_RONX
  arch: Move CONFIG_DEBUG_RODATA and CONFIG_SET_MODULE_RONX to be common
This commit is contained in:
Linus Torvalds 2017-02-21 17:56:45 -08:00
commit 7bb033829e
33 changed files with 90 additions and 109 deletions
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6
kernel/module.c
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@ -76,9 +76,9 @@
/*
* Modules' sections will be aligned on page boundaries
* to ensure complete separation of code and data, but
* only when CONFIG_DEBUG_SET_MODULE_RONX=y
* only when CONFIG_STRICT_MODULE_RWX=y
*/
#ifdef CONFIG_DEBUG_SET_MODULE_RONX
#ifdef CONFIG_STRICT_MODULE_RWX
# define debug_align(X) ALIGN(X, PAGE_SIZE)
#else
# define debug_align(X) (X)
@ -1846,7 +1846,7 @@ static void mod_sysfs_teardown(struct module *mod)
mod_sysfs_fini(mod);
}
#ifdef CONFIG_DEBUG_SET_MODULE_RONX
#ifdef CONFIG_STRICT_MODULE_RWX
/*
* LKM RO/NX protection: protect module's text/ro-data
* from modification and any data from execution.