On 2019/08/05 19:12, SAITOH Masanobu wrote:
> Module Name: src
> Committed By: msaitoh
> Date: Mon Aug 5 10:12:04 UTC 2019
>
> Modified Files:
> src/sys/dev/acpi: acpi_ec.c
>
> Log Message:
> - Fix a bug that acpiec_space_handler() doesn't access more than 64bit
> correctly. Found by kUBSan on Thinkpad X220. acpiec0 accessed 128bits from
s/acpi0/acpiecdt0/
> address 0xa0. The error message was:
>
> UBSan: Undefined Behavior in ../../../../dev/acpi/acpi_ec.c:672:32,
> shift exponent 64 is too large for 64-bit type 'long unsigned int'
>
> - KNF.
> The error message was:
>
>
> To generate a diff of this commit:
> cvs rdiff -u -r1.75 -r1.76 src/sys/dev/acpi/acpi_ec.c
>
> Please note that diffs are not public domain; they are subject to the
> copyright notices on the relevant files.
>
--
-----------------------------------------------
SAITOH Masanobu (msai...@execsw.org
msai...@netbsd.org)
