SHA256
1
0
forked from pool/qemu
qemu/0057-9pfs-fix-memory-leak-in-v9fs_write.patch
Andreas Färber 3430f55120 Accepting request 441247 from home:bfrogers:branches:Virtualization
Refine the reproducible build changes to no longer override linux commands, but rather fix via patches only. Also fix all the recent security issues reported.

OBS-URL: https://build.opensuse.org/request/show/441247
OBS-URL: https://build.opensuse.org/package/show/Virtualization/qemu?expand=0&rev=320
2016-11-21 17:05:46 +00:00

34 lines
1.1 KiB
Diff

From 1dd9e4b00e2f7eb60436a5a3017042eb7b93a8ff Mon Sep 17 00:00:00 2001
From: Li Qiang <liqiang6-s@360.cn>
Date: Mon, 17 Oct 2016 14:13:58 +0200
Subject: [PATCH] 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>
(cherry picked from commit fdfcc9aeea1492f4b819a24c94dfb678145b1bf9)
[BR: CVE-2016-9106 BSC#1007495]
Signed-off-by: Bruce Rogers <brogers@suse.com>
---
hw/9pfs/9p.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/9pfs/9p.c b/hw/9pfs/9p.c
index aa2b8c0..af07846 100644
--- a/hw/9pfs/9p.c
+++ b/hw/9pfs/9p.c
@@ -2080,7 +2080,7 @@ static void v9fs_write(void *opaque)
offset = 7;
err = pdu_marshal(pdu, offset, "d", total);
if (err < 0) {
- goto out;
+ goto out_qiov;
}
err += offset;
trace_v9fs_write_return(pdu->tag, pdu->id, total, err);