* [patch 6/6] sparse doesn't support struct randomization
@ 2018-01-19 0:34 akpm
0 siblings, 0 replies; only message in thread
From: akpm @ 2018-01-19 0:34 UTC (permalink / raw)
To: torvalds, mm-commits, akpm, mawilcox, jpoimboe, keescook, mingo
From: Matthew Wilcox <mawilcox@microsoft.com>
Subject: sparse doesn't support struct randomization
Without this patch, I drown in a sea of unknown attribute warnings
Link: http://lkml.kernel.org/r/20180117024539.27354-1-willy@infradead.org
Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
Acked-by: Kees Cook <keescook@chromium.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
include/linux/compiler-gcc.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN include/linux/compiler-gcc.h~sparse-doesnt-support-struct-randomization include/linux/compiler-gcc.h
--- a/include/linux/compiler-gcc.h~sparse-doesnt-support-struct-randomization
+++ a/include/linux/compiler-gcc.h
@@ -219,7 +219,7 @@
/* Mark a function definition as prohibited from being cloned. */
#define __noclone __attribute__((__noclone__, __optimize__("no-tracer")))
-#ifdef RANDSTRUCT_PLUGIN
+#if defined(RANDSTRUCT_PLUGIN) && !defined(__CHECKER__)
#define __randomize_layout __attribute__((randomize_layout))
#define __no_randomize_layout __attribute__((no_randomize_layout))
#endif
_
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2018-01-19 0:34 [patch 6/6] sparse doesn't support struct randomization akpm
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