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Commit b466066f authored by Eric Paris's avatar Eric Paris
Browse files

LSM: remove the task field from common_audit_data 



There are no legitimate users.  Always use current and get back some stack
space for the common_audit_data.

Signed-off-by: default avatarEric Paris <eparis@redhat.com>
parent 0972c74e

include/linux/lsm_audit.h

+0 −1
Original line number Diff line number Diff line
@@ -53,7 +53,6 @@ struct common_audit_data { 
#define LSM_AUDIT_DATA_KMOD	8

#define LSM_AUDIT_DATA_INODE	9

#define LSM_AUDIT_DATA_DENTRY	10

	struct task_struct *tsk;

	union 	{

		struct path path;

		struct dentry *dentry;

security/lsm_audit.c

+2 −6
Original line number Diff line number Diff line
@@ -213,12 +213,8 @@ static void dump_common_audit_data(struct audit_buffer *ab, 
{

	struct task_struct *tsk = current;



	if (a->tsk)

		tsk = a->tsk;

	if (tsk && tsk->pid) {

	audit_log_format(ab, " pid=%d comm=", tsk->pid);

	audit_log_untrustedstring(ab, tsk->comm);

	}



	switch (a->type) {

	case LSM_AUDIT_DATA_NONE:

security/selinux/hooks.c

+0 −1
Original line number Diff line number Diff line
@@ -1429,7 +1429,6 @@ static int cred_has_capability(const struct cred *cred, 


	COMMON_AUDIT_DATA_INIT(&ad, LSM_AUDIT_DATA_CAP);

	ad.selinux_audit_data = &sad;

	ad.tsk = current;

	ad.u.cap = cap;



	switch (CAP_TO_INDEX(cap)) {