linux-kernel - [PATCH] android: fix reference leak in sync_fence

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 for Android: free password hash cracker in your pocket

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

Message-ID: <54046AE7.6060805@canonical.com>
Date:	Mon, 01 Sep 2014 14:47:35 +0200
From:	Maarten Lankhorst <maarten.lankhorst@...onical.com>
To:	Sumit Semwal <sumit.semwal@...aro.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	"linaro-mm-sig@...ts.linaro.org" <linaro-mm-sig@...ts.linaro.org>,
	LKML <linux-kernel@...r.kernel.org>
CC:	Daniel Vetter <daniel.vetter@...ll.ch>,
	Colin Cross <ccross@...gle.com>,
	John Stultz <john.stultz@...aro.org>,
	devel@...verdev.osuosl.org,
	Dan Carpenter <dan.carpenter@...cle.com>
Subject: [PATCH] android: fix reference leak in sync_fence_create

According to the documentation sync_fence_create takes ownership of the point,
not a reference on the point.

This fixes a memory leak introduced in 3.17's android fence rework.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@...onical.com>
Cc: Colin Cross <ccross@...gle.com>
Cc: Dan Carpenter <dan.carpenter@...cle.com>
---
 drivers/staging/android/sync.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/staging/android/sync.c b/drivers/staging/android/sync.c
index e7b2e0234196..69139ce7420d 100644
--- a/drivers/staging/android/sync.c
+++ b/drivers/staging/android/sync.c
@@ -199,7 +199,6 @@ struct sync_fence *sync_fence_create(const char *name, struct sync_pt *pt)
 	fence->num_fences = 1;
 	atomic_set(&fence->status, 1);
 
-	fence_get(&pt->base);
 	fence->cbs[0].sync_pt = &pt->base;
 	fence->cbs[0].fence = fence;
 	if (fence_add_callback(&pt->base, &fence->cbs[0].cb,
-- 
2.0.4


--
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/