From: Jens Axboe <axboe@fb.com>
Date: Tue, 15 Mar 2016 16:09:10 +0000 (-0700)
Subject: verify: clear IO verify state all_io_list before writing
X-Git-Tag: fio-2.8~1
X-Git-Url: https://git.kernel.dk/?p=fio.git;a=commitdiff_plain;h=c68ce5ea31bfc0b6d9c12d8f3d52f0dd65e1ca08

verify: clear IO verify state all_io_list before writing

We only fill it partially sometimes, so ensure that we clear
the whole thing before writing it out. This fixes valgrind
complaining about writing unitialized memory.

Signed-off-by: Jens Axboe <axboe@fb.com>
---

diff --git a/verify.c b/verify.c
index 5d491d76..0f43a3e0 100644
--- a/verify.c
+++ b/verify.c
@@ -1385,6 +1385,7 @@ struct all_io_list *get_all_io_list(int save_mask, size_t *sz)
 	*sz += nr * sizeof(struct thread_io_list);
 	*sz += depth * sizeof(uint64_t);
 	rep = malloc(*sz);
+	memset(rep, 0, *sz);
 
 	rep->threads = cpu_to_le64((uint64_t) nr);