platform/x86: asus-wmi: Potential buffer overflow in asus_wmi_evaluate_method_buf()
authorDan Carpenter <dan.carpenter@oracle.com>
Wed, 13 Apr 2022 07:37:44 +0000 (10:37 +0300)
committerHans de Goede <hdegoede@redhat.com>
Wed, 27 Apr 2022 14:25:24 +0000 (16:25 +0200)
commitd2833762f23a62cce1636452108706541a735290
treefeadc07440cf01729b81cade7c621621d5cc85ed
parentacd51562e07d17aaf4ac652f1dc55c743685bf41
platform/x86: asus-wmi: Potential buffer overflow in asus_wmi_evaluate_method_buf()

This code tests for if the obj->buffer.length is larger than the buffer
but then it just does the memcpy() anyway.

Fixes: 0f0ac158d28f ("platform/x86: asus-wmi: Add support for custom fan curves")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20220413073744.GB8812@kili
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
drivers/platform/x86/asus-wmi.c