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Pvm : Pvm analysis 1 : Null Pointer Dereference  at ddpro.c:2877

Categories: LANG.MEM.NPD CWE:476
Warning ID: 2581.2613
Procedure: dm_notify
Trace: View
Modified: Wed Sep 2 12:41:35 2009   show details
 
Priority: None
State: None
Finding: None
Owner: None
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Warning Location
Contributes
Parse Error
Other Warning
Two or More Loop Iterations
On Execution Path
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Warning Location Contributes Parse Error
Other Warning Two or More Loop Iterations On Execution Path
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Source  |  Language: C Hide Legend     
ProblemLineSource
   /u1/paul/SATE/2010/c/pvm/pvm3/src/ddpro.c
   Enter dm_notify
 2859 dm_notify(hp, mp) 
 2860         struct hostd *hp;
 2861         struct pmsg *mp;
 2862 {
 2863         int what, tid;
 2864         struct waitc *wp;
 2865         struct pmsg *mp2;
 2866  
 2867         hp = hp;   /* Unused Value (ID: 2580.2612) */
 2868  
 2869         upkint(mp, &what);
 2870         upkuint(mp, &tid);
 2871         if (what != PvmTaskExit) {
 2872                 pvmlogprintf("dm_notify() what = %d?\n", what);
 2873                 return 0;
 2874         }
 2875  
true2876         mp2 = mesg_new(0);
mp2 <= 40952877         mp2->m_dst = mp->m_src;     /* Null Pointer Dereference */
Preconditions 
numpmsgs = 0
Postconditions 
freepmsgs.m_link' = &freepmsgs.m_link
freepmsgs.m_rlink' = &freepmsgs.m_link
hp' = $param_1
mp' = $param_2
mp2' = 0
what' = 1



Change Warning 2581.2613 : Null Pointer Dereference

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