Ian Abbott c76a1dacc2 staging: comedi: addi_apci_1564: check INSN_CONFIG_DIGITAL_TRIG shift ... commit 926234f1b8 upstream. The `INSN_CONFIG` comedi instruction with sub-instruction code `INSN_CONFIG_DIGITAL_TRIG` includes a base channel in `data[3]`. This is used as a right shift amount for other bitmask values without being checked. Shift amounts greater than or equal to 32 will result in undefined behavior. Add code to deal with this. Fixes: 1e15687ea4 ("staging: comedi: addi_apci_1564: add Change-of-State interrupt subdevice and required functions") Cc: <stable@vger.kernel.org> #3.17+ Signed-off-by: Ian Abbott <abbotti@mev.co.uk> Link: https://lore.kernel.org/r/20200717145257.112660-4-abbotti@mev.co.uk Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2020-07-29 10:18:42 +02:00
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drivers	staging: comedi: addi_apci_1564: check INSN_CONFIG_DIGITAL_TRIG shift	2020-07-29 10:18:42 +02:00
kcomedilib	…
Kconfig	…
Makefile	…
TODO	…
comedi.h	…
comedi_buf.c	…
comedi_compat32.c	…
comedi_compat32.h	…
comedi_fops.c	…
comedi_internal.h	…
comedi_pci.c	…
comedi_pci.h	…
comedi_pcmcia.c	…
comedi_pcmcia.h	…
comedi_usb.c	…
comedi_usb.h	…
comedidev.h	…
comedilib.h	…
drivers.c	…
proc.c	…
range.c	…