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Commit cfb4099f authored by Vakul Garg's avatar Vakul Garg Committed by David S. Miller
Browse files

net/tls: Mark the end in scatterlist table 



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: default avatarVakul Garg <vakul.garg@nxp.com>
Acked-by: default avatarDave Watson <davejwatson@fb.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 5f379ef5

net/tls/tls_sw.c

+3 −0
Original line number Diff line number Diff line
@@ -311,6 +311,9 @@ static int zerocopy_from_iter(struct sock *sk, struct iov_iter *from, 
		}

	}



	/* Mark the end in the last sg entry if newly added */

	if (num_elem > *pages_used)

		sg_mark_end(&to[num_elem - 1]);

out:

	if (rc)

		iov_iter_revert(from, size - *size_used);