[Bug gas/30279] UBSAN error: /buildworker/marxinbox-cross-binutils-sanitizers/build/gas/config/tc-m68hc11.c:708:20

[pinskia at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=30279

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |UNCONFIRMED
         Resolution|MOVED                       |---
                 CC|                            |pinskia at gcc dot gnu.org
     Ever confirmed|1                           |0

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
The code in gas/config/tc-m68hc11.c is undefined:
  opc = XNEWVEC (struct m68hc11_opcode_def, num_opcodes);
  m68hc11_opcode_defs = opc--;


This is not defined at all. You cannot take the address before the start of the
allocated area.

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