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Date: Tue, 27 Jan 2015 12:16:21 +0000 From: Luis Henriques <luis.henriques@...onical.com> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org, kernel-team@...ts.ubuntu.com Cc: Mario Schuknecht <mario.schuknecht@...search-fe.de>, Felipe Balbi <balbi@...com>, Luis Henriques <luis.henriques@...onical.com> Subject: [PATCH 3.16.y-ckt 076/126] usb: gadget: gadgetfs: Free memory allocated by memdup_user() 3.16.7-ckt5 -stable review patch. If anyone has any objections, please let me know. ------------------ From: Mario Schuknecht <mario.schuknecht@...search-fe.de> commit b44be2462dbe3e23f0aedff64de52a1e8e47a1cd upstream. Commit 3b74c73f8d6f053f422e85fce955b61fb181cfe7 switched over to memdup_user() in ep_write() function and removed kfree (kbuf). memdup_user() function allocates memory which is never freed. Fixes: 3b74c73 (usb: gadget: inode: switch over to memdup_user()) Signed-off-by: Mario Schuknecht <mario.schuknecht@...search-fe.de> Signed-off-by: Felipe Balbi <balbi@...com> [ luis: backported to 3.16: - file rename: drivers/usb/gadget/legacy/inode.c -> drivers/usb/gadget/inode.c ] Signed-off-by: Luis Henriques <luis.henriques@...onical.com> --- drivers/usb/gadget/inode.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c index 2e4ce7704908..c44dc6ef2500 100644 --- a/drivers/usb/gadget/inode.c +++ b/drivers/usb/gadget/inode.c @@ -450,6 +450,7 @@ ep_write (struct file *fd, const char __user *buf, size_t len, loff_t *ptr) data->name, len, (int) value); free1: mutex_unlock(&data->lock); + kfree (kbuf); return value; } -- 2.1.4 -- 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/
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