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pvm3.4.6 : pvm3.4.6 analysis 2 : Null Pointer Dereference  at job.c:140

Categories: LANG.MEM.NPD CWE:476
Warning ID: 519.29311
Procedure: job_new
Trace: view
Modified: Thu Nov 26 11:36:58 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
   /kat0/fletcher/SATE/2010/pvm3/console/job.c
   Enter job_new
 125 struct job * 
 126 job_new(jid) 
 127         int jid;
 128 {
 129         struct job *jp = joblist->j_link;
 130         struct job *jp2;
 131         struct obuf *op;
 132  
 133         while (jp != joblist && jp->j_jid < jid)
 134                 jp = jp->j_link;
 135         if (jp->j_jid != jid) {
 136                 jp2 = TALLOC(1, struct job, "job");
 137                 BZERO((char*)jp2, sizeof(struct job));   /* Null Pointer Dereference (ID: 520.29312) */
 138                 jp2->j_jid = jid;
true139                 op = TALLOC(1, struct obuf, "obuf");
op <= 4095140                 BZERO((char*)op, sizeof(struct obuf));     /* Null Pointer Dereference */
Preconditions 
((char*)*$unknown_12286900)[8] != jid
joblist->j_link->j_jid <= jid - 1
((char*)$unknown_12286900)[8] <= jid - 1
*$unknown_12286900 = joblist
joblist->j_link != joblist
Postconditions 
errno' != 0
$heap_445633' = 0
bytes_after(&$heap_445633)' = 28
$heap_445633' is allocated by malloc
$heap_445633' is allocated
bytes_before(&$heap_445633)' = 0
((char*)&$heap_445633)[8]' = jid
jp' = *$unknown_12286900
jp2' = &$heap_445633
op' = 0



Change Warning 519.29311 : Null Pointer Dereference

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