On Tue, 16 Aug 2016, Binyamin Sharet wrote: > Kernel version: raspberrypi 4.4.6-v7+ #871 > Driver source file: drivers/usb/serial/digi_acceleport.c > Umap2 command line: umap2vsscan -P <PHY> -s 05c5:0002 > > After connecting such a device, NULL pointer dereference in the kernel. > > Binyamin Sharet > Cisco, STARE-C > > << Attached: 05c5_0002_dmesg.log >> This looks like a bug in the digi_acceleport driver. digi_startup() does this: serial_priv->ds_oob_port_num = serial->type->num_ports; serial_priv->ds_oob_port = serial->port[serial_priv->ds_oob_port_num]; Even without knowing exactly what this is supposed to be doing, one gets the definite impression that the first line should be: serial_priv->ds_oob_port_num = serial->type->num_ports - 1; Johan? Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
