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fix minor infoleak in get_user_ex()
get_user_ex(x, ptr) should zero x on failure. It's not a lot of a leak (at most we are leaking uninitialized 64bit value off the kernel stack, and in a fairly constrained situation, at that), but the fix is trivial, so... Cc: email@example.com Signed-off-by: Al Viro <firstname.lastname@example.org> [ This sat in different branch from the uaccess fixes since mid-August ] Signed-off-by: Linus Torvalds <email@example.com>
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