[mythtv-commits] Ticket #11570: Patch for zero length malloc in ParseBinary.cpp

MythTV noreply at mythtv.org
Thu May 30 18:51:40 UTC 2013


#11570: Patch for zero length malloc in ParseBinary.cpp
-------------------------------------------------+-------------------------
 Reporter:  Gary Buhrmaster <gary.buhrmaster@…>  |           Type:  Patch -
   Status:  new                                  |  Bug Fix
Milestone:  unknown                              |       Priority:  minor
  Version:  Master Head                          |      Component:  MythTV
 Keywords:                                       |  - General
                                                 |       Severity:  medium
                                                 |  Ticket locked:  0
-------------------------------------------------+-------------------------
 Static analysis (scan-build) detected a feasible code path such that the
 string will have a length of zero when ParseString is called.  Malloc of a
 zero length has a implementation dependent result (i.e. possible invalid
 memory pointer).   Add one to the requested length to eliminate the
 ambiguity.  In addition, check the return from malloc to insure it was
 successful (should have been be a  different static analysis detected
 error, but I did not see it in the reports).

 https://github.com/garybuhrmaster/mythtv/commit/28a77c36e2d320fa1304ad3822d5359b05af07a0

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Ticket URL: <http://code.mythtv.org/trac/ticket/11570>
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