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Commit 8831fc42 authored by qctecmdr Service's avatar qctecmdr Service Committed by Gerrit - the friendly Code Review server
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Merge "mm/usercopy: Use memory range to be accessed for wraparound check"

parents c7a6c10f c7f07455

mm/usercopy.c

+1 −1
Original line number Diff line number Diff line
@@ -121,7 +121,7 @@ static inline const char *check_kernel_text_object(const void *ptr, 
static inline const char *check_bogus_address(const void *ptr, unsigned long n)

{

	/* Reject if object wraps past end of memory. */

	if ((unsigned long)ptr + n < (unsigned long)ptr)

	if ((unsigned long)ptr + (n - 1) < (unsigned long)ptr)

		return "<wrapped address>";



	/* Reject if NULL or ZERO-allocation. */