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tls: rx: strp: set the skb->len of detached / CoW'ed skbs

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[ Upstream commit 210620ae44a83f25220450bbfcc22e6fe986b25f ]

alloc_skb_with_frags() fills in page frag sizes but does not
set skb->len and skb->data_len. Set those correctly otherwise
device offload will most likely generate an empty skb and
hit the BUG() at the end of __skb_nsg().

Fixes: 84c61fe1a7 ("tls: rx: do not use the standard strparser")
Tested-by: Shai Amiram <samiram@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Jakub Kicinski 2023-05-16 18:50:37 -07:00 committed by Greg Kroah-Hartman
parent e734a693a2
commit ecd9f6ed9e
1 changed files with 2 additions and 0 deletions
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2
net/tls/tls_strp.c
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@ -56,6 +56,8 @@ static struct sk_buff *tls_strp_msg_make_copy(struct tls_strparser *strp)
offset += skb_frag_size(frag);
}
skb->len = strp->stm.full_len;
skb->data_len = strp->stm.full_len;
skb_copy_header(skb, strp->anchor);
rxm = strp_msg(skb);
rxm->offset = 0;