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pvm3.4.6 : pvm3.4.6 analysis 2 : Null Pointer Dereference  at host.c:694

Categories: LANG.MEM.NPD CWE:476
Warning ID: 57.28642
Procedure: applydefaults
Trace: view
Modified: Thu Nov 26 11:27:13 2009   show details
 
Priority: None
State: None
Finding: None
Owner: None
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Warning Location
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Parse Error
Other Warning
Two or More Loop Iterations
On Execution Path
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Warning Location Contributes Parse Error
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Source  |  Language: C Hide Legend     
ProblemLineSource
   /kat0/fletcher/SATE/2010/pvm3/src/host.c
   Enter applydefaults
 683 applydefaults(hp, defhp) 
 684         struct hostd *hp;               /* hostd to modify */ 
 685         struct hostd *defhp;    /* default settings */ 
 686 {
 687         if (!hp-> && defhp->)
 688                 hp-> = STRALLOC(defhp->);   /* Null Pointer Dereference (ID: 22027.28644) */
 689  
 690         if (!hp->hd_dpath && defhp->hd_dpath)
 691                 hp->hd_dpath = STRALLOC(defhp->hd_dpath);   /* Null Pointer Dereference (ID: 58.28643) */
 692  
 693         if (!hp->hd_epath && defhp->hd_epath)
true694                 hp->hd_epath = STRALLOC(defhp->hd_epath);     /* Null Pointer Dereference */
Preconditions 
hp->hd_login = 0
hp->hd_dpath = 0
hp->hd_epath = 0
defhp->hd_login = 0
Postconditions 
errno' != 0
$heap_1995' = *defhp->hd_dpath
bytes_after(&$heap_1995)' = strlen(defhp->hd_dpath) + 1
$heap_1995' is allocated by malloc
$heap_1995' is allocated
bytes_before(&$heap_1995)' = 0
strlen(&$heap_1995)' = strlen(defhp->hd_dpath)
tocttou($heap_1995)' = tocttou(*defhp->hd_dpath)



Change Warning 57.28642 : Null Pointer Dereference

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