Messages in this thread Patch in this message | | | From | Youling Tang <> | Subject | [PATCH v2] acpi: Fix use-after-free in acpi_ipmi.c | Date | Thu, 26 Nov 2020 09:26:34 +0800 |
| |
kfree() has been called inside put_device so anther kfree would cause a use-after-free bug.
Signed-off-by: Youling Tang <tangyouling@loongson.cn> --- drivers/acpi/acpi_ipmi.c | 1 - 1 file changed, 1 deletion(-)
diff --git a/drivers/acpi/acpi_ipmi.c b/drivers/acpi/acpi_ipmi.c index 9d6c0fc..18edf8b 100644 --- a/drivers/acpi/acpi_ipmi.c +++ b/drivers/acpi/acpi_ipmi.c @@ -142,7 +142,6 @@ static void ipmi_dev_release(struct acpi_ipmi_device *ipmi_device) { ipmi_destroy_user(ipmi_device->user_interface); put_device(ipmi_device->dev); - kfree(ipmi_device); } static void ipmi_dev_release_kref(struct kref *kref) -- 2.1.0
| |