diff --git a/libc/bionic/fdsan.cpp b/libc/bionic/fdsan.cpp
index ebc680f..4b89918 100644
--- a/libc/bionic/fdsan.cpp
+++ b/libc/bionic/fdsan.cpp
@@ -246,6 +246,10 @@
 }
 
 int android_fdsan_close_with_tag(int fd, uint64_t expected_tag) {
+  if (__get_thread()->is_vforked()) {
+    return __close(fd);
+  }
+
   FDTRACK_CLOSE(fd);
   FdEntry* fde = GetFdEntry(fd);
   if (!fde) {
@@ -296,6 +300,10 @@
 }
 
 void android_fdsan_exchange_owner_tag(int fd, uint64_t expected_tag, uint64_t new_tag) {
+  if (__get_thread()->is_vforked()) {
+    return;
+  }
+
   FdEntry* fde = GetFdEntry(fd);
   if (!fde) {
     return;
@@ -332,6 +340,10 @@
 }
 
 android_fdsan_error_level android_fdsan_set_error_level(android_fdsan_error_level new_level) {
+  if (__get_thread()->is_vforked()) {
+    return android_fdsan_get_error_level();
+  }
+
   return atomic_exchange(&GetFdTable().error_level, new_level);
 }