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lsm,selinux: pass flowi_common instead of flowi to the LSM hooks

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[ Upstream commit 3df98d79215ace13d1e91ddfc5a67a0f5acbd83f ]

As pointed out by Herbert in a recent related patch, the LSM hooks do
not have the necessary address family information to use the flowi
struct safely.  As none of the LSMs currently use any of the protocol
specific flowi information, replace the flowi pointers with pointers
to the address family independent flowi_common struct.

Reported-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: James Morris <jamorris@linux.microsoft.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Paul Moore
2020-09-27 22:38:26 -04:00
committed by Greg Kroah-Hartman
parent a67a1661cf
commit 6950ee32c1
33 changed files with 85 additions and 66 deletions
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2
include/linux/lsm_hooks.h
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@@ -1105,7 +1105,7 @@
* @xfrm_state_pol_flow_match:
* @x contains the state to match.
* @xp contains the policy to check for a match.
* @fl contains the flow to check for a match.
* @flic contains the flowi_common struct to check for a match.
* Return 1 if there is a match.
* @xfrm_decode_session:
* @skb points to skb to decode.