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Pvm : Pvm analysis 1 : Null Pointer Dereference  at tdpro.c:2666

Categories: LANG.MEM.NPD CWE:476
Warning ID: 2738.2793
Similar Warnings: 2738.2791, 2738.2792
Procedure: change_output
Trace: View
Modified: Wed Sep 2 12:44:43 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/tdpro.c
   Enter change_output
 2655 change_output(tp, outtid, outctx, outtag) 
 2656         struct task *tp;
 2657         int outtid, outctx, outtag;
 2658 {
 2659         struct pmsg *mp;
 2660  
 2661         if (tp->t_outtid != outtid 
 2662         || tp->t_outctx != outctx 
 2663         || tp->t_outtag != outtag) {
 2664                 if (tp->t_outtid > 0) {
true2665                         mp = mesg_new(0);
mp <= 40952666                         mp->m_dst = tp->t_outtid;     /* Null Pointer Dereference */
Preconditions 
$param_2 >= 1
((char*)$param_1)[144] = $param_2
((char*)$param_1)[144] >= 1
((char*)$param_1)[148] = $param_3
((char*)$param_1)[152] != $param_4
numpmsgs = 0
Postconditions 
freepmsgs.m_link' = &freepmsgs.m_link
freepmsgs.m_rlink' = &freepmsgs.m_link
mp' = 0
outctx' = $param_3
outtag' = $param_4
outtid' = $param_2
tp' = $param_1



Change Warning 2738.2793 : Null Pointer Dereference

Because they are very similar, this warning shares annotations with warnings 2738.2791 and 2738.2792.
CodeSonar has selected warning 2738.2791 to represent this group of similar warnings. In order to edit this group, you must edit warning 2738.2791.