fdsan: fix overflow in FdTableImpl::at

Change-Id: Ia687eb52a9c5469225550316f884c229a2218724
2022-09-27 11:35:52 +02:00 · 2022-09-27 11:35:52 +02:00 · 27a37e70a7
parent 72f572185f
commit 27a37e70a7
1 changed files with 1 additions and 1 deletions
--- a/libc/bionic/fdsan.cpp
+++ b/libc/bionic/fdsan.cpp
@ -101,7 +101,7 @@ FdEntry* FdTableImpl<inline_fds>::at(size_t idx) {
  }

  size_t offset = idx - inline_fds;
-  if (local_overflow->len < offset) {
+  if (local_overflow->len <= offset) {
    return nullptr;
  }
  return &local_overflow->entries[offset];