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Commit fab1a14a 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 3aa6e677 7f6aaf1d

mm/usercopy.c

+1 −1
Original line number Diff line number Diff line
@@ -151,7 +151,7 @@ static inline void check_bogus_address(const unsigned long ptr, unsigned long n, 
				       bool to_user)

{

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

	if (ptr + n < ptr)

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

		usercopy_abort("wrapped address", NULL, to_user, 0, ptr + n);



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