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-prev] [thread-next>] [day] [month] [year] [list]
Date:	Fri,  3 Jun 2016 20:17:37 -0500
From:	Larry Finger <Larry.Finger@...inger.net>
To:	gregkh@...uxfoundation.org
Cc:	netdev@...r.kernel.org, devel@...verdev.osuosl.org,
	Larry Finger <Larry.Finger@...inger.net>
Subject: [PATCH 3/3] staging: r8712u: Handle some false positives from kmemleak

When this driver preallocates some URBs, kmemleak is unable to find that
allocated memory when it scans. When the driver is unloaded, that memory
is reclaimed, therefore, the report is a false positive.

Signed-off-by: Larry Finger <Larry.Finger@...inger.net>
---
 drivers/staging/rtl8712/xmit_linux.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/staging/rtl8712/xmit_linux.c b/drivers/staging/rtl8712/xmit_linux.c
index 695f9b9..7f52953 100644
--- a/drivers/staging/rtl8712/xmit_linux.c
+++ b/drivers/staging/rtl8712/xmit_linux.c
@@ -31,6 +31,7 @@
 #include <linux/usb.h>
 #include <linux/ip.h>
 #include <linux/if_ether.h>
+#include <linux/kmemleak.h>
 
 #include "osdep_service.h"
 #include "drv_types.h"
@@ -132,6 +133,7 @@ int r8712_xmit_resource_alloc(struct _adapter *padapter,
 			netdev_err(padapter->pnetdev, "pxmitbuf->pxmit_urb[i] == NULL\n");
 			return _FAIL;
 		}
+		kmemleak_not_leak(pxmitbuf->pxmit_urb[i]);
 	}
 	return _SUCCESS;
 }
-- 
2.1.4

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ