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Message-ID: <1403014660-15509-1-git-send-email-ttynkkynen@nvidia.com> Date: Tue, 17 Jun 2014 17:17:40 +0300 From: Tuomas Tynkkynen <ttynkkynen@...dia.com> To: Alan Stern <stern@...land.harvard.edu> CC: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, <linux-usb@...r.kernel.org>, <linux-tegra@...r.kernel.org>, <linux-kernel@...r.kernel.org>, Tuomas Tynkkynen <ttynkkynen@...dia.com> Subject: [PATCH] USB: EHCI: tegra: Fix use-after-free in .remove() The tegra_ehci_hcd structure is located in the private space allocated by the core USB code so it must not be accessed after the HCD is freed. Signed-off-by: Tuomas Tynkkynen <ttynkkynen@...dia.com> --- drivers/usb/host/ehci-tegra.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/usb/host/ehci-tegra.c b/drivers/usb/host/ehci-tegra.c index 6fdcb8a..5590567 100644 --- a/drivers/usb/host/ehci-tegra.c +++ b/drivers/usb/host/ehci-tegra.c @@ -479,10 +479,11 @@ static int tegra_ehci_remove(struct platform_device *pdev) usb_phy_shutdown(hcd->phy); usb_remove_hcd(hcd); - usb_put_hcd(hcd); clk_disable_unprepare(tegra->clk); + usb_put_hcd(hcd); + return 0; } -- 1.8.1.5 -- 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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