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-rw-r--r--src/backend/utils/adt/genfile.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/src/backend/utils/adt/genfile.c b/src/backend/utils/adt/genfile.c
index 7a691875ddf..c1cc19d1f5c 100644
--- a/src/backend/utils/adt/genfile.c
+++ b/src/backend/utils/adt/genfile.c
@@ -168,8 +168,7 @@ read_binary_file(const char *filename, int64 seek_offset, int64 bytes_to_read,
{
char rbuf[1];
- fread(rbuf, 1, 1, file);
- if (!feof(file))
+ if (fread(rbuf, 1, 1, file) != 0 || !feof(file))
ereport(ERROR,
(errcode(ERRCODE_PROGRAM_LIMIT_EXCEEDED),
errmsg("file length too large")));