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CVS commit: src/sys/dev/acpi



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
  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.




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