[bug #47160] Invalid use of memcpy() at multiple places

[Balint Reczey]

URL:
  <http://savannah.gnu.org/bugs/?47160>

                 Summary: Invalid use of memcpy() at multiple places
                 Project: GNU troff
            Submitted by: rbalint
            Submitted on: Mon 15 Feb 2016 09:14:02 PM GMT
                Severity: 3 - Normal
              Item Group: Crash
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
         Planned Release: None

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Details:

....
groff-1.22.3/debian/build/../../src/libs/libgroff/string.cpp:144:24: runtime
error: null pointer passed as argument 1, which is declared to never be null
/usr/include/x86_64-linux-gnu/bits/string3.h:53:89: runtime error: null
pointer passed as argument 1, which is declared to never be null
ASAN:SIGSEGV
...

Many invalid memoory accesses were caught by ASAN & UBSAN while bootstrapping
hardened1-linux-amd64 Debian port. This is one set of them.



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File Attachments:


-------------------------------------------------------
Date: Mon 15 Feb 2016 09:14:02 PM GMT  Name:
0002-Don-t-try-to-memcpy-to-NULL-or-from.patch  Size: 1kB   By: rbalint
patch fixing the issues
<http://savannah.gnu.org/bugs/download.php?file_id=36347>

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