xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

LSM: Infrastructure management of the ipc security blob

Browse Source 
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>
This commit is contained in:
Casey Schaufler
2018-11-20 11:55:02 -08:00
committed by Kees Cook
parent 019bcca462
commit ecd5f82e05
6 changed files with 110 additions and 121 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
security/selinux/include/objsec.h
View File

@@ -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_ */