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From b03c385c6eee5999f6aadcc516aa0f9fc882df47 Mon Sep 17 00:00:00 2001
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From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
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Date: Fri, 22 Jun 2018 18:59:58 +0200
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Subject: [PATCH 19/57] migration/block-dirty-bitmap: fix memory leak in
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dirty_bitmap_load_bits
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RH-Author: Dr. David Alan Gilbert <dgilbert@redhat.com>
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Message-id: <20180622190005.21297-12-dgilbert@redhat.com>
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Patchwork-id: 81009
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O-Subject: [RHEL7.6 qemu-kvm-rhev PATCH 11/18] migration/block-dirty-bitmap: fix memory leak in dirty_bitmap_load_bits
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Bugzilla: 1584139
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RH-Acked-by: Peter Xu <peterx@redhat.com>
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RH-Acked-by: Juan Quintela <quintela@redhat.com>
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RH-Acked-by: Laurent Vivier <lvivier@redhat.com>
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From: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
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Release buf on error path too.
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Bug was introduced in b35ebdf076d697bc "migration: add postcopy
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migration of dirty bitmaps" with the whole function.
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Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
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Message-Id: <20180427142002.21930-3-vsementsov@virtuozzo.com>
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Reviewed-by: Eric Blake <eblake@redhat.com>
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CC: qemu-stable@nongnu.org
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Signed-off-by: Eric Blake <eblake@redhat.com>
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(cherry picked from commit 16a2227893dc1d5cad78ed376ad1d7e300978fbe)
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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migration/block-dirty-bitmap.c | 1 +
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1 file changed, 1 insertion(+)
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diff --git a/migration/block-dirty-bitmap.c b/migration/block-dirty-bitmap.c
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index dd04f10..8819aab 100644
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--- a/migration/block-dirty-bitmap.c
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+++ b/migration/block-dirty-bitmap.c
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@@ -600,6 +600,7 @@ static int dirty_bitmap_load_bits(QEMUFile *f, DirtyBitmapLoadState *s)
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ret = qemu_get_buffer(f, buf, buf_size);
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if (ret != buf_size) {
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error_report("Failed to read bitmap bits");
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+ g_free(buf);
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return -EIO;
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}
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--
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1.8.3.1
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