[Spread-users] crash bug report

[Mikhail Terekhov]

The same thing could happen on lines 866,1121,1314,1512,1829.
Am I correct?

Mikhail

Theo Schlossnagle wrote:

>On Tue, 2003-12-23 at 17:04, Greg Shebert wrote:
>  
>
>>line 797:
>>
>>num_vs_ptr = (int32 *)&Mess_buf[ num_bytes ];
>>num_bytes += sizeof( int32 );
>>*num_vs_ptr = 1;
>>
>>the last statement (line 799) can cause a bus error... basically, if
>>num_bytes is not a multiple of the host systems word size then the last
>>statement tries to write a word length value into a location that is not
>>word aligned... 
>>
>>the resulting bus error brings down the daemon :(
>>
>>i corrected this using a memcpy instead of the assignment and this seems
>>to correct the problem...
>>
>>i experienced the problem on solaris2.8
>>    
>>
>
>You are not mislead.  That will certainly cause a bus error on any
>architecture that requires word aligned copies like that.  It'll likely
>bus error on alpha as well.
>
>  
>