From: Dave Weinstein <[email protected]> Set the initial value of kptr_restrict to the maximum setting rather than the minimum setting, to ensure that early boot logging is not leaking information.
Cc: William Roberts <[email protected]> Cc: Chris Fries <[email protected]> Signed-off-by: Dave Weinstein <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- lib/vsprintf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/vsprintf.c b/lib/vsprintf.c index 75a49795fcae..404d477d4bd2 100644 --- a/lib/vsprintf.c +++ b/lib/vsprintf.c @@ -395,7 +395,7 @@ struct printf_spec { #define FIELD_WIDTH_MAX ((1 << 23) - 1) #define PRECISION_MAX ((1 << 15) - 1) -int kptr_restrict __read_mostly; +int kptr_restrict __read_mostly = 4; /* * Always cleanse %p and %pK specifiers -- 2.12.2
