[Bug string/19390] Integer overflow in strncat

[Bug string/19390] Integer overflow in strncat

[ucelsanicin at yahoo dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=19390

Ucel Sani <ucelsanicin at yahoo dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |ucelsanicin at yahoo dot com

--- Comment #11 from Ucel Sani <ucelsanicin at yahoo dot com> ---
On further thought, we shouldn't be encouraging palindromish REs in the manual,
so that naive users aren't drawn into this mess. So I installed the attached
further patch to the documentation.

Of course it would be better to fix the back-reference bugs but this is low
priority and I doubt whether anybody has the time.
[0001-doc-don-t-encourage-back-references.patch
credit http://www.iu-bloomington.com/ https://komiya-dental.com/
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[Bug string/19390] Integer overflow in strncat

[mehmetgelisin at aol dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=19390

Mehmet gelisin <mehmetgelisin at aol dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |mehmetgelisin at aol dot com

--- Comment #12 from Mehmet gelisin <mehmetgelisin at aol dot com> ---
We had some time for looking into this bug and found the reason for this error
seems to be that v in cp-valprint.c:316 can be NULL when the TRY-CATCH is
triggered and therefore v never gets assigned. The function
cp_print_static_field doesn't check that the passed v is NULL.

  struct value *v = NULL;                                 

  TRY                                                     
    {                                                     
      v = value_static_field (type, i);                   
    }                                                     

  CATCH (ex, RETURN_MASK_ERROR)                           
    {                                                     
      fprintf_filtered (stream,                           
                        _("<error reading variable: %s>"),            
                        ex.message);                                  
    }                                                     
  END_CATCH              https://komiya-dental.com/                             

          cp_print_static_field (TYPE_FIELD_TYPE (type, i),   
                         v, stream, recurse + 1,                      
                         options);                                    

We looked into the commit history and there used to be a check that after the
exception was thrown v is not NULL. Therefore I would propose the following
patch.

  struct value *v = NULL;                               

  TRY                                                   
    {                                                   
      v = value_static_field (type, i);                 
    }                                                   
      http://www.iu-bloomington.com/                                            
  CATCH (ex, RETURN_MASK_ERROR)                         
    {                                                   
      fprintf_filtered (stream,                         
                        _("<error reading variable: %s>"),          
                        ex.message);                                
      v = NULL; // In case v was already modified       
    }                                                   
  END_CATCH     https://www.webb-dev.co.uk/                                     

  if (v !=NULL ) {                                      

          cp_print_static_field (TYPE_FIELD_TYPE (type, i), 
                         v, stream, recurse + 1,                    
                         options);                                  
  }                                                                             

Any comment would be appreciated https://waytowhatsnext.com/  

Best Regards, 


We had some time for looking into this bug and found the reason for this error
seems to be that v in cp-valprint.c:316 can be NULL when the TRY-CATCH is
triggered and therefore v never gets assigned. The function
cp_print_static_field doesn't check that the passed v is NULL.

  struct value *v = NULL;                                 
       http://www.acpirateradio.co.uk/                                          
  TRY                                                     
    {                                                     
      v = value_static_field (type, i);                   
    }                                                     

  CATCH (ex, RETURN_MASK_ERROR)                           
    {                                                     
      fprintf_filtered (stream,                           
                        _("<error reading variable: %s>"),   
http://www.logoarts.co.uk/          
                        ex.message);                                  
    }                                                     
  END_CATCH                                               

          cp_print_static_field (TYPE_FIELD_TYPE (type, i),   
                         v, stream, recurse + 1,                      
                         options);    http://www.slipstone.co.uk/               

We looked into the commit history and there used to be a check that after the
exception was thrown v is not NULL. Therefore I would propose the following
patch.

  struct value *v = NULL;   http://embermanchester.uk/                          

  TRY                                                   
    {                                                   
      v = value_static_field (type, i);                 
    }      http://connstr.net/                                              

  CATCH (ex, RETURN_MASK_ERROR)                         
    {       http://joerg.li/                                             
      fprintf_filtered (stream,                         
                        _("<error reading variable: %s>"),          
                        ex.message);        http://www.jopspeech.com/           
      v = NULL; // In case v was already modified       
    }                                                   
  END_CATCH                                             
          http://www.wearelondonmade.com/                                       
  if (v !=NULL ) {                                      

          cp_print_static_field (TYPE_FIELD_TYPE (type, i), 
                         v, stream, recurse + 1, http://www.compilatori.com/    
                         options);                                  
  }                                                                             

Any comment would be appreciated
http://www-look-4.com/ 
Best Regards,

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[Bug string/19390] Integer overflow in strncat

[mark at klomp dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=19390

Mark Wielaard <mark at klomp dot org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |mark at klomp dot org

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[Bug string/19390] Integer overflow in strncat

[mervegunesli at aol dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=19390

Merve Gunesli <mervegunesli at aol dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |mervegunesli at aol dot com

--- Comment #13 from Merve Gunesli <mervegunesli at aol dot com> ---
http://www.acpirateradio.co.uk/category/computers/
http://www.slipstone.co.uk/category/computers/
http://embermanchester.uk/category/services/
http://connstr.net/health/covid-and-tech/
http://www.jopspeech.com/category/health/
http://www.wearelondonmade.com/tech/nvidia-and-samsung/

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[Bug string/19390] Integer overflow in strncat

[ma.ro.so01234567890 at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=19390

Angieng <ma.ro.so01234567890 at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |ma.ro.so01234567890 at gmail dot c
                   |                            |om

--- Comment #14 from Angieng <ma.ro.so01234567890 at gmail dot com> ---
I have a lot of questions about this bug. 
https://www.twincitiesdeckandfence.com

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