From: Jens Axboe <jens.axboe@oracle.com>
Date: Sun, 29 Jul 2007 06:49:16 +0000 (+0200)
Subject: Fix md5 verify
X-Git-Tag: fio-1.17~28
X-Git-Url: https://git.kernel.dk/?p=fio.git;a=commitdiff_plain;h=c9b3fdf3828fe15cfdcaace7c84ad96e90e24a46

Fix md5 verify

The header_interval/offset changes introduced a bug, doing sizeof
on a pointer where it should have been the array. So we didn't compare
the full md5, just the first sizeof(pointer) bytes.

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

diff --git a/verify.c b/verify.c
index 3606ecea..91509e5b 100644
--- a/verify.c
+++ b/verify.c
@@ -147,7 +147,7 @@ static int verify_io_u_md5(struct verify_header *hdr, struct io_u *io_u,
 
 	md5_update(&md5_ctx, p, hdr->len - sizeof(*hdr));
 
-	if (memcmp(hdr->md5_digest, md5_ctx.hash, sizeof(md5_ctx.hash))) {
+	if (memcmp(hdr->md5_digest, md5_ctx.hash, sizeof(hash))) {
 		log_err("md5: verify failed at %llu/%u\n",
 		              io_u->offset + header_num * hdr->len,
 		              hdr->len);