28 lines
1.0 KiB
Diff
28 lines
1.0 KiB
Diff
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From 76ab77108279f9d328e4a7fe1684141084698d97 Mon Sep 17 00:00:00 2001
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From: zhanghailiang <zhang.zhanghailiang@huawei.com>
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Date: Thu, 25 Jul 2019 16:05:11 +0800
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Subject: [PATCH] qcow2: fix memory leak in qcow2_read_extensions
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Free feature_table if it is failed in bdrv_pread.
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Signed-off-by: fangyi <eric.fangyi@huawei.com>
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---
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block/qcow2.c | 1 +
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1 file changed, 1 insertion(+)
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diff --git a/block/qcow2.c b/block/qcow2.c
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index 3ace3b22..5e85cf4b 100644
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--- a/block/qcow2.c
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+++ b/block/qcow2.c
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@@ -258,6 +258,7 @@ static int qcow2_read_extensions(BlockDriverState *bs, uint64_t start_offset,
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void* feature_table = g_malloc0(ext.len + 2 * sizeof(Qcow2Feature));
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ret = bdrv_pread(bs->file, offset , feature_table, ext.len);
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if (ret < 0) {
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+ g_free(feature_table);
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error_setg_errno(errp, -ret, "ERROR: ext_feature_table: "
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"Could not read table");
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return ret;
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--
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2.19.1
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