dump_common_audit_data() currently contains a field for pid, but the
value printed is actually the thread ID, tid. Update this value to
return the task group ID. Add a new field for tid. With this change
the values printed by audit now match the values returned by the
getpid() and gettid() syscalls.
Signed-off-by: Jeff Vander Stoep <jeffv@xxxxxxxxxx>
---
security/lsm_audit.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/security/lsm_audit.c b/security/lsm_audit.c
index cccbf30..57f26c1 100644
--- a/security/lsm_audit.c
+++ b/security/lsm_audit.c
@@ -220,7 +220,8 @@ static void dump_common_audit_data(struct audit_buffer *ab,
*/
BUILD_BUG_ON(sizeof(a->u) > sizeof(void *)*2);
- audit_log_format(ab, " pid=%d comm=", task_pid_nr(current));
+ audit_log_format(ab, " pid=%d tid=%d comm=", task_tgid_vnr(tsk),
+ task_pid_vnr(tsk));
audit_log_untrustedstring(ab, memcpy(comm, current->comm, sizeof(comm)));
switch (a->type) {
@@ -294,10 +295,12 @@ static void dump_common_audit_data(struct audit_buffer *ab,
case LSM_AUDIT_DATA_TASK: {
struct task_struct *tsk = a->u.tsk;
if (tsk) {
- pid_t pid = task_pid_nr(tsk);
+ pid_t pid = task_tgid_vnr(tsk);
if (pid) {
char comm[sizeof(tsk->comm)];
audit_log_format(ab, " opid=%d ocomm=", pid);
+ audit_log_format(ab, " opid=%d otid=%d ocomm=",
+ pid, task_pid_vnr(tsk));
audit_log_untrustedstring(ab,
memcpy(comm, tsk->comm, sizeof(comm)));
}
--
2.8.0.rc3.226.g39d4020
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