CodeSonar : Pvm : Null Pointer Dereference

Categories:	LANG.MEM.NPD CWE:476
Warning ID:	2724.2777
Procedure:	tm_mca
Trace:	View
Modified:	Wed Sep 2 12:44:26 2009 show details hide details

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Warning Location Contributes Parse Error Other Warning Two or More Loop Iterations On Execution Path Comment Macro Preprocessor Include Keyword Preprocessed Away

Source | Language: C

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Problem	Line	Source

			/u1/paul/SATE/2010/c/pvm/pvm3/src/tdpro.c

			Enter tm_mca

	1863		tm_mca(tp, mp)
	1864		struct task *tp;
	1865		struct pmsg *mp;
	1866		{
	1867		struct mca mcap; / mca descriptor */
	1868		int ndst; /* num of dst tids */
	1869		int dsts; / dst tids */
	1870		int tid;
	1871		int i, j;
	1872
	1873		/*
	1874		* unpack list of dst tids from message (expect it to be sorted).
	1875		* discard tids to nonexistent foreign hosts.
	1876		*/
	1877

mcap = mca_new ();

mcap->mc_tid = TIDGID | tp->t_tid; /* Null Pointer Dereference */

Postconditions

mcap' = 0
mp' = $param_2
tp' = $param_1