gentoo/app-emulation/qemu/files/qemu-2.7.0-CVE-2016-9106.patch

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2016-11-19 12:19:15 +01:00
Author: Li Qiang <liqiang6-s@360.cn>
Date: Mon Oct 17 14:13:58 2016 +0200
9pfs: fix memory leak in v9fs_write
If an error occurs when marshalling the transfer length to the guest, the
v9fs_write() function doesn't free an IO vector, thus leading to a memory
leak. This patch fixes the issue.
Signed-off-by: Li Qiang <liqiang6-s@360.cn>
Reviewed-by: Greg Kurz <groug@kaod.org>
[groug, rephrased the changelog]
Signed-off-by: Greg Kurz <groug@kaod.org>
diff --git a/hw/9pfs/9p.c b/hw/9pfs/9p.c
index d43a552..e88cf25 100644
--- a/hw/9pfs/9p.c
+++ b/hw/9pfs/9p.c
@@ -2090,7 +2090,7 @@ static void coroutine_fn v9fs_write(void *opaque)
offset = 7;
err = pdu_marshal(pdu, offset, "d", total);
if (err < 0) {
- goto out;
+ goto out_qiov;
}
err += offset;