diff --git a/sys/kern/kern_fork.c b/sys/kern/kern_fork.c
index f94b7d31791b..dbea55ccbd96 100644
--- a/sys/kern/kern_fork.c
+++ b/sys/kern/kern_fork.c
@@ -128,6 +128,7 @@ sys_pdfork(struct thread *td, struct pdfork_args *uap)
 	fr.fr_pidp = &pid;
 	fr.fr_pd_fd = &fd;
 	fr.fr_pd_flags = uap->flags;
+	AUDIT_ARG_FFLAGS(uap->flags);
 	/*
 	 * It is necessary to return fd by reference because 0 is a valid file
 	 * descriptor number, and the child needs to be able to distinguish
@@ -909,6 +910,7 @@ fork1(struct thread *td, struct fork_req *fr)
 		    fr->fr_pd_flags, fr->fr_pd_fcaps);
 		if (error != 0)
 			goto fail2;
+		AUDIT_ARG_FD(*fr->fr_pd_fd);
 	}
 
 	mem_charged = 0;
diff --git a/sys/security/audit/audit_bsm.c b/sys/security/audit/audit_bsm.c
index 7cc99de20086..3094509dbfdd 100644
--- a/sys/security/audit/audit_bsm.c
+++ b/sys/security/audit/audit_bsm.c
@@ -1317,6 +1317,38 @@ kaudit_to_bsm(struct kaudit_record *kar, struct au_record **pau)
 		UPATH1_VNODE1_TOKENS;
 		break;
 
+	case AUE_PDKILL:
+		if (ARG_IS_VALID(kar, ARG_FD)) {
+			tok = au_to_arg32(1, "fd", ar->ar_arg_fd);
+			kau_write(rec, tok);
+		}
+		if (ARG_IS_VALID(kar, ARG_SIGNUM)) {
+			tok = au_to_arg32(2, "signal", ar->ar_arg_signum);
+			kau_write(rec, tok);
+		}
+		PROCESS_PID_TOKENS(1);
+		break;
+	case AUE_PDFORK:
+		if (ARG_IS_VALID(kar, ARG_PID)) {
+			tok = au_to_arg32(0, "child PID", ar->ar_arg_pid);
+			kau_write(rec, tok);
+		}
+		if (ARG_IS_VALID(kar, ARG_FFLAGS)) {
+			tok = au_to_arg32(2, "flags", ar->ar_arg_fflags);
+			kau_write(rec, tok);
+		}
+		if (ARG_IS_VALID(kar, ARG_FD)) {
+			tok = au_to_arg32(1, "fd", ar->ar_arg_fd);
+			kau_write(rec, tok);
+		}
+		break;
+	case AUE_PDGETPID:
+		if (ARG_IS_VALID(kar, ARG_FD)) {
+			tok = au_to_arg32(1, "fd", ar->ar_arg_fd);
+			kau_write(rec, tok);
+		}
+		break;
+
 	case AUE_PROCCTL:
 		if (ARG_IS_VALID(kar, ARG_VALUE)) {
 			tok = au_to_arg32(1, "idtype", ar->ar_arg_value);
@@ -1747,6 +1779,8 @@ kaudit_to_bsm(struct kaudit_record *kar, struct au_record **pau)
 		break;
 
 	case AUE_THR_NEW:
+	case AUE_THR_KILL:
+	case AUE_THR_EXIT:
 		break;
 
 	case AUE_NULL: