xfrm: fix bug with DSCP copy to v6 from v4 tunnel

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[ Upstream commit 6028da3f12 ]

When copying the DSCP bits for decap-dscp into IPv6 don't assume the
outer encap is always IPv6. Instead, as with the inner IPv4 case, copy
the DSCP bits from the correctly saved "tos" value in the control block.

Fixes: 227620e295 ("[IPSEC]: Separate inner/outer mode processing on input")
Signed-off-by: Christian Hopps <chopps@chopps.org>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

...

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Christian Hopps 2023-01-26 11:33:50 -05:00 • committed by Greg Kroah-Hartman

parent d53903cc23

commit 5954eaab6b

1 changed files with 1 additions and 2 deletions

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net/xfrm/xfrm_input.c

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