linux-kernel - [PATCH] drm/nouveau: fix memory leak

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:	Fri, 11 Sep 2015 15:00:56 +0530
From:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:	David Airlie <airlied@...ux.ie>
Cc:	linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
	daniel.vetter@...ll.ch,
	Sudip Mukherjee <sudipm.mukherjee@...il.com>
Subject: [PATCH] drm/nouveau: fix memory leak

If pm_runtime_get_sync() we were going to "out" but we missed freeing
vma.

Signed-off-by: Sudip Mukherjee <sudip@...torindia.org>
---
 drivers/gpu/drm/nouveau/nouveau_gem.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c
index 2c99815..c05b2f7 100644
--- a/drivers/gpu/drm/nouveau/nouveau_gem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_gem.c
@@ -84,8 +84,10 @@ nouveau_gem_object_open(struct drm_gem_object *gem, struct drm_file *file_priv)
 		}
 
 		ret = pm_runtime_get_sync(dev);
-		if (ret < 0 && ret != -EACCES)
+		if (ret < 0 && ret != -EACCES) {
+			kfree(vma);
 			goto out;
+		}
 
 		ret = nouveau_bo_vma_add(nvbo, cli->vm, vma);
 		if (ret)
-- 
1.9.1

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/