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

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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>
This commit is contained in:
Paul Moore
2020-09-27 22:38:26 -04:00
parent b2d99bcb27
commit 3df98d7921
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.