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Merge tag 'gcc-plugins-v4.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

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Pull structure randomization updates from Kees Cook:
 "Now that IPC and other changes have landed, enable manual markings for
  randstruct plugin, including the task_struct.

  This is the rest of what was staged in -next for the gcc-plugins, and
  comes in three patches, largest first:

   - mark "easy" structs with __randomize_layout

   - mark task_struct with an optional anonymous struct to isolate the
     __randomize_layout section

   - mark structs to opt _out_ of automated marking (which will come
     later)

  And, FWIW, this continues to pass allmodconfig (normal and patched to
  enable gcc-plugins) builds of x86_64, i386, arm64, arm, powerpc, and
  s390 for me"

* tag 'gcc-plugins-v4.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  randstruct: opt-out externally exposed function pointer structs
  task_struct: Allow randomized layout
  randstruct: Mark various structs for randomization
This commit is contained in:
Linus Torvalds
2017-07-19 08:55:18 -07:00
parent a90c6ac2b5 8acdf50559
commit e06fdaf40a
42 changed files with 97 additions and 66 deletions
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2
include/linux/sysctl.h
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@@ -120,7 +120,7 @@ struct ctl_table
struct ctl_table_poll *poll;
void *extra1;
void *extra2;
};
} __randomize_layout;
struct ctl_node {
struct rb_node node;