All of lore.kernel.org
 help / color / mirror / Atom feed
From: Eric Blake <eblake@redhat.com>
To: qemu-devel@nongnu.org
Cc: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>,
	qemu-stable@nongnu.org, Stefan Hajnoczi <stefanha@redhat.com>,
	Fam Zheng <famz@redhat.com>, Juan Quintela <quintela@redhat.com>,
	"Dr. David Alan Gilbert" <dgilbert@redhat.com>,
	"open list:Block I/O path" <qemu-block@nongnu.org>
Subject: [Qemu-devel] [PULL 2/4] migration/block-dirty-bitmap: fix memory leak in dirty_bitmap_load_bits
Date: Fri,  4 May 2018 08:30:32 -0500	[thread overview]
Message-ID: <20180504133034.1328397-3-eblake@redhat.com> (raw)
In-Reply-To: <20180504133034.1328397-1-eblake@redhat.com>

From: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>

Release buf on error path too.

Bug was introduced in b35ebdf076d697bc "migration: add postcopy
migration of dirty bitmaps" with the whole function.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20180427142002.21930-3-vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
CC: qemu-stable@nongnu.org
Signed-off-by: Eric Blake <eblake@redhat.com>
---
 migration/block-dirty-bitmap.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/migration/block-dirty-bitmap.c b/migration/block-dirty-bitmap.c
index dd04f102d8d..8819aabe3a0 100644
--- a/migration/block-dirty-bitmap.c
+++ b/migration/block-dirty-bitmap.c
@@ -600,6 +600,7 @@ static int dirty_bitmap_load_bits(QEMUFile *f, DirtyBitmapLoadState *s)
         ret = qemu_get_buffer(f, buf, buf_size);
         if (ret != buf_size) {
             error_report("Failed to read bitmap bits");
+            g_free(buf);
             return -EIO;
         }

-- 
2.14.3

  parent reply	other threads:[~2018-05-04 13:30 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-04 13:30 [Qemu-devel] [PULL 0/4] 2.12 post-release NBD fixes, 2018-05-04 Eric Blake
2018-05-04 13:30 ` [Qemu-devel] [PULL 1/4] nbd/client: fix nbd_negotiate_simple_meta_context Eric Blake
2018-05-04 13:30 ` Eric Blake [this message]
2018-05-04 13:30 ` [Qemu-devel] [PULL 3/4] nbd/client: Fix error messages during NBD_INFO_BLOCK_SIZE Eric Blake
2018-05-04 13:30 ` [Qemu-devel] [PULL 4/4] nbd/client: Relax handling of large NBD_CMD_BLOCK_STATUS reply Eric Blake
2018-05-04 14:44 ` [Qemu-devel] [PULL 0/4] 2.12 post-release NBD fixes, 2018-05-04 Peter Maydell

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20180504133034.1328397-3-eblake@redhat.com \
    --to=eblake@redhat.com \
    --cc=dgilbert@redhat.com \
    --cc=famz@redhat.com \
    --cc=qemu-block@nongnu.org \
    --cc=qemu-devel@nongnu.org \
    --cc=qemu-stable@nongnu.org \
    --cc=quintela@redhat.com \
    --cc=stefanha@redhat.com \
    --cc=vsementsov@virtuozzo.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.