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authorPaul Moore <paul@paul-moore.com>2020-09-28 05:38:26 +0300
committerPaul Moore <paul@paul-moore.com>2020-11-24 02:36:21 +0300
commit3df98d79215ace13d1e91ddfc5a67a0f5acbd83f (patch)
tree3e0db692f0d85f9a73ec0e2dd4298bda62f57b8b /include/net/flow.h
parentb2d99bcb27225fe420a8923b21861aef2bb43d9b (diff)
downloadlinux-3df98d79215ace13d1e91ddfc5a67a0f5acbd83f.tar.xz
lsm,selinux: pass flowi_common instead of flowi to the LSM hooks
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>
Diffstat (limited to 'include/net/flow.h')
-rw-r--r--include/net/flow.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/net/flow.h b/include/net/flow.h
index b2531df3f65f..39d0cedcddee 100644
--- a/include/net/flow.h
+++ b/include/net/flow.h
@@ -195,11 +195,21 @@ static inline struct flowi *flowi4_to_flowi(struct flowi4 *fl4)
return container_of(fl4, struct flowi, u.ip4);
}
+static inline struct flowi_common *flowi4_to_flowi_common(struct flowi4 *fl4)
+{
+ return &(flowi4_to_flowi(fl4)->u.__fl_common);
+}
+
static inline struct flowi *flowi6_to_flowi(struct flowi6 *fl6)
{
return container_of(fl6, struct flowi, u.ip6);
}
+static inline struct flowi_common *flowi6_to_flowi_common(struct flowi6 *fl6)
+{
+ return &(flowi6_to_flowi(fl6)->u.__fl_common);
+}
+
static inline struct flowi *flowidn_to_flowi(struct flowidn *fldn)
{
return container_of(fldn, struct flowi, u.dn);