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authorCasey Schaufler <casey@schaufler-ca.com>2018-11-20 11:55:02 -0800
committerKees Cook <keescook@chromium.org>2019-01-08 13:18:45 -0800
commitecd5f82e05ddd9b06c258167ec7467ac79741d77 (patch)
tree9cefea64fc40202a284fcb07ecf50f871f7562b0 /security/selinux/include/objsec.h
parentSmack: Abstract use of ipc security blobs (diff)
downloadlinux-dev-ecd5f82e05ddd9b06c258167ec7467ac79741d77.tar.xz
linux-dev-ecd5f82e05ddd9b06c258167ec7467ac79741d77.zip
LSM: Infrastructure management of the ipc security blob
Move management of the kern_ipc_perm->security and msg_msg->security blobs out of the individual security modules and into the security infrastructure. Instead of allocating the blobs from within the modules the modules tell the infrastructure how much space is required, and the space is allocated there. Signed-off-by: Casey Schaufler <casey@schaufler-ca.com> Reviewed-by: Kees Cook <keescook@chromium.org> [kees: adjusted for ordered init series] Signed-off-by: Kees Cook <keescook@chromium.org>
Diffstat (limited to 'security/selinux/include/objsec.h')
-rw-r--r--security/selinux/include/objsec.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/security/selinux/include/objsec.h b/security/selinux/include/objsec.h
index 539cacf4a572..231262d8eac9 100644
--- a/security/selinux/include/objsec.h
+++ b/security/selinux/include/objsec.h
@@ -179,13 +179,13 @@ static inline struct inode_security_struct *selinux_inode(
static inline struct msg_security_struct *selinux_msg_msg(
const struct msg_msg *msg_msg)
{
- return msg_msg->security;
+ return msg_msg->security + selinux_blob_sizes.lbs_msg_msg;
}
static inline struct ipc_security_struct *selinux_ipc(
const struct kern_ipc_perm *ipc)
{
- return ipc->security;
+ return ipc->security + selinux_blob_sizes.lbs_ipc;
}
#endif /* _SELINUX_OBJSEC_H_ */