On 08/02/18 08:43 PM, Vakul Garg wrote: > Function zerocopy_from_iter() unmarks the 'end' in input sgtable while > adding new entries in it. The last entry in sgtable remained unmarked. > This results in KASAN error report on using apis like sg_nents(). Before > returning, the function needs to mark the 'end' in the last entry it > adds. > > Signed-off-by: Vakul Garg <vakul.g...@nxp.com>
Looks good to me, it looks like the fallback path should unmark the end appropriately. Which codepath is calling sg_nents()? Acked-by: Dave Watson <davejwat...@fb.com>