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charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ltp-bounces+ltp=archiver.kernel.org@lists.linux.it Sender: "ltp" mmap01 reported random test failures. Turns out the the temporary buffer in check_file() isn't initialized. The SAFE_READ reads less then sizeof(buf) bytes so the rest stays initialized and might contain bytes check_file() is looking for. Signed-off-by: Sven Schnelle --- testcases/kernel/syscalls/mmap/mmap01.c | 1 + 1 file changed, 1 insertion(+) diff --git a/testcases/kernel/syscalls/mmap/mmap01.c b/testcases/kernel/syscalls/mmap/mmap01.c index c93c37ceda52..ff09bc635c74 100644 --- a/testcases/kernel/syscalls/mmap/mmap01.c +++ b/testcases/kernel/syscalls/mmap/mmap01.c @@ -36,6 +36,7 @@ static void check_file(void) int i, fildes, buf_len = sizeof(STRING) + 3; char buf[buf_len]; + memset(buf, 0, sizeof(buf)); fildes = SAFE_OPEN(TEMPFILE, O_RDONLY); SAFE_READ(0, fildes, buf, sizeof(buf)); -- 2.47.1 -- Mailing list info: https://lists.linux.it/listinfo/ltp