New subject: [Bug 37546] mshtml: Possible null pointer dereference: post_data (Cppcheck)

13 Nov 2014


      https://bugs.winehq.org/show_bug.cgi?id=37546
Bug ID: 37546
           Summary: mshtml: Possible null pointer dereference: post_data
                    (Cppcheck)
           Product: Wine
           Version: 1.7.30
          Hardware: x86
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: mshtml
          Assignee: wine-bugs@winehq.org
          Reporter: 00cpxxx@gmail.com
      Distribution: ---
[dlls\mshtml\navigate.c:905]: (error) Possible null pointer dereference:
post_data
890     if(!data_len) {
 891         GlobalFree(data);
 892         post_data = NULL;
 893     }else if(post_data != data) {
 894         char *new_data;
 895 
 896         new_data = GlobalAlloc(0, data_len+1);
 897         if(new_data)
 898             memcpy(new_data, post_data, data_len);
 899         GlobalFree(data);
 900         if(!new_data)
 901             return E_OUTOFMEMORY;
 902         post_data = new_data;
 903     }
 904 
 905     post_data[data_len] = 0;
 906     request_data->post_data = post_data;
 907     request_data->post_data_len = data_len;
post_data is being set to NULL in line 892, in line 905 it's being used.
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[Bug 37546] New: mshtml: Possible null pointer dereference: post_data (Cppcheck)