[libav-bugs] [Bug 984] New: left shift in libswscale/utils.c

bugzilla at libav.org bugzilla at libav.org
Tue Nov 8 17:46:57 CET 2016


            Bug ID: 984
           Summary: left shift in libswscale/utils.c
           Product: Libav
           Version: 11
          Hardware: Other
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: ---
         Component: general
          Assignee: bugzilla at libav.org
          Reporter: ago at gentoo.org

Created attachment 615
  --> https://bugzilla.libav.org/attachment.cgi?id=615&action=edit

Found with the undefined behavior sanitizer.
Compiler: clang-3.8.1
Tested on: 11.8
Command to reproduce: avconv -i $FILE -f null -
runtime error: left shift of negative value -1

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