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Commit b1c1ac2d authored by Linux Build Service Account's avatar Linux Build Service Account 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 ab10e0dd 3a0ae68a

mm/usercopy.c

+1 −1
Original line number Diff line number Diff line
@@ -124,7 +124,7 @@ 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. */