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From: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
To: qemu-devel@nongnu.org, qemu-block@nongnu.org, qemu-stable@nongnu.org
Cc: eblake@redhat.com, pbonzini@redhat.com, dgilbert@redhat.com,
	quintela@redhat.com, famz@redhat.com, stefanha@redhat.com,
	vsementsov@virtuozzo.com, den@openvz.org,
	peter.maydell@linaro.org
Subject: [Qemu-devel] [PATCH 2/2] migration/block-dirty-bitmap: fix memory leak in dirty_bitmap_load_bits
Date: Fri, 27 Apr 2018 17:20:02 +0300	[thread overview]
Message-ID: <20180427142002.21930-3-vsementsov@virtuozzo.com> (raw)
In-Reply-To: <20180427142002.21930-1-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>
---
 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 dd04f102d8..8819aabe3a 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;
         }
 
-- 
2.11.1

  parent reply	other threads:[~2018-04-27 14:20 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-27 14:20 [Qemu-devel] [PATCH 0/2] fix coverity bugs Vladimir Sementsov-Ogievskiy
2018-04-27 14:20 ` [Qemu-devel] [PATCH 1/2] nbd/client: fix nbd_negotiate_simple_meta_context Vladimir Sementsov-Ogievskiy
2018-04-27 15:20   ` Eric Blake
2018-04-27 14:20 ` Vladimir Sementsov-Ogievskiy [this message]
2018-04-27 15:19 ` [Qemu-devel] [PATCH 0/2] fix coverity bugs Eric Blake

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