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-rw-r--r--usr/src/uts/intel/dtrace/fbt.c5
-rw-r--r--usr/src/uts/sparc/dtrace/fbt.c5
2 files changed, 10 insertions, 0 deletions
diff --git a/usr/src/uts/intel/dtrace/fbt.c b/usr/src/uts/intel/dtrace/fbt.c
index b9353bd30c..513acfd5db 100644
--- a/usr/src/uts/intel/dtrace/fbt.c
+++ b/usr/src/uts/intel/dtrace/fbt.c
@@ -629,6 +629,11 @@ fbt_getargdesc(void *arg, dtrace_id_t id, void *parg, dtrace_argdesc_t *desc)
goto err;
}
+ if (strcmp(ctf_label_topmost(pfp), ctf_parent_label(fp)) != 0) {
+ ctf_close(pfp);
+ goto err;
+ }
+
if (ctf_import(fp, pfp) != 0) {
ctf_close(pfp);
goto err;
diff --git a/usr/src/uts/sparc/dtrace/fbt.c b/usr/src/uts/sparc/dtrace/fbt.c
index 58169bac81..2497322684 100644
--- a/usr/src/uts/sparc/dtrace/fbt.c
+++ b/usr/src/uts/sparc/dtrace/fbt.c
@@ -1657,6 +1657,11 @@ fbt_getargdesc(void *arg, dtrace_id_t id, void *parg, dtrace_argdesc_t *desc)
if ((pfp = ctf_modopen(mod->mod_mp, &error)) == NULL)
goto err;
+ if (strcmp(ctf_label_topmost(pfp), ctf_parent_label(fp)) != 0) {
+ ctf_close(pfp);
+ goto err;
+ }
+
if (ctf_import(fp, pfp) != 0) {
ctf_close(pfp);
goto err;