debian/patches/extra/CVE-2016-9106-9pfs-fix-memory-leak-in-v9fs_write.patch

   1 From 2c5bcb2d5f32ffcf5064d3557e44836fa70700be Mon Sep 17 00:00:00 2001
   2 From: Li Qiang <liqiang6-s@360.cn>
   3 Date: Mon, 17 Oct 2016 14:13:58 +0200
   4 Subject: [PATCH 7/8] 9pfs: fix memory leak in v9fs_write
   5
   6 If an error occurs when marshalling the transfer length to the guest, the
   7 v9fs_write() function doesn't free an IO vector, thus leading to a memory
   8 leak. This patch fixes the issue.
   9
  10 Signed-off-by: Li Qiang <liqiang6-s@360.cn>
  11 Reviewed-by: Greg Kurz <groug@kaod.org>
  12 [groug, rephrased the changelog]
  13 Signed-off-by: Greg Kurz <groug@kaod.org>
  14 ---
  15  hw/9pfs/9p.c | 2 +-
  16  1 file changed, 1 insertion(+), 1 deletion(-)
  17
  18 diff --git a/hw/9pfs/9p.c b/hw/9pfs/9p.c
  19 index aa2b8c0..af07846 100644
  20 --- a/hw/9pfs/9p.c
  21 +++ b/hw/9pfs/9p.c
  22 @@ -2080,7 +2080,7 @@ static void v9fs_write(void *opaque)
  23      offset = 7;
  24      err = pdu_marshal(pdu, offset, "d", total);
  25      if (err < 0) {
  26 -        goto out;
  27 +        goto out_qiov;
  28      }
  29      err += offset;
  30      trace_v9fs_write_return(pdu->tag, pdu->id, total, err);
  31 --
  32 2.1.4
  33