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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-05-18 23:08:58 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-05-18 23:08:58 +0200 |
| commit | 02730d3c053a9af1d402e1c8dc8bbbc5a1340406 (patch) | |
| tree | db289a08de50eb4b5caf7840d5b7356ddfa1c51f /Documentation/kasan.txt | |
| parent | vt: Don't check KD_GRAPHICS when binding/unbinding (diff) | |
| parent | Linux 4.1-rc4 (diff) | |
| download | linux-02730d3c053a9af1d402e1c8dc8bbbc5a1340406.tar.xz linux-02730d3c053a9af1d402e1c8dc8bbbc5a1340406.zip | |
Merge 4.1-rc4 into tty-next
This resolves some tty driver merge issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/kasan.txt')
| -rw-r--r-- | Documentation/kasan.txt | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/Documentation/kasan.txt b/Documentation/kasan.txt index 092fc10961fe..4692241789b1 100644 --- a/Documentation/kasan.txt +++ b/Documentation/kasan.txt @@ -9,7 +9,9 @@ a fast and comprehensive solution for finding use-after-free and out-of-bounds bugs. KASan uses compile-time instrumentation for checking every memory access, -therefore you will need a certain version of GCC > 4.9.2 +therefore you will need a gcc version of 4.9.2 or later. KASan could detect out +of bounds accesses to stack or global variables, but only if gcc 5.0 or later was +used to built the kernel. Currently KASan is supported only for x86_64 architecture and requires that the kernel be built with the SLUB allocator. @@ -23,8 +25,8 @@ To enable KASAN configure kernel with: and choose between CONFIG_KASAN_OUTLINE and CONFIG_KASAN_INLINE. Outline/inline is compiler instrumentation types. The former produces smaller binary the -latter is 1.1 - 2 times faster. Inline instrumentation requires GCC 5.0 or -latter. +latter is 1.1 - 2 times faster. Inline instrumentation requires a gcc version +of 5.0 or later. Currently KASAN works only with the SLUB memory allocator. For better bug detection and nicer report, enable CONFIG_STACKTRACE and put |