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-rw-r--r--src/stdio/fread.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/stdio/fread.c b/src/stdio/fread.c
index 5b7f38b4..7ddf358f 100644
--- a/src/stdio/fread.c
+++ b/src/stdio/fread.c
@@ -9,6 +9,7 @@ size_t fread(void * restrict ptr, size_t size, size_t nmemb, FILE * restrict str
size_t n = 0;
SIGNAL_SAFE(0);
+ ASSERT_NOOVERLAP(ptr, size * nmemb, stream, sizeof(*stream));
flockfile(stream);
while (nmemb) {