CodeSonar : Irssi : Null Pointer Dereference

Irssi : Irssi analysis 1 : Null Pointer Dereference at session.c:73

Categories:	LANG.MEM.NPD CWE:476
Warning ID:	2149.2152
Procedure:	cmd_upgrade
Trace:	View
Modified:	Wed Sep 2 11:51:34 2009 show details hide 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 Comment Macro Preprocessor Include Keyword Preprocessed Away

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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/irssi/irssi-0.8.14/src/core/session.c

			Enter cmd_upgrade

static void cmd_upgrade(const char *data)

{

CONFIG_REC *session;

char *session_file, *str;

char *binary;

if (*data == '\0')

data = irssi_binary;

if ((binary = g_find_program_in_path(data)) == NULL)

cmd_return_error (CMDERR_PROGRAM_NOT_FOUND );

/* save the session */

session_file = g_strdup_printf("%s/session", get_irssi_dir());

true

session = config_open(session_file, 0600);

session_file <= 4095

unlink(session_file); /* Null Pointer Dereference */

Preconditions

&$unknown_222339 != 0
*$param_1 = 0
strlen($param_1) = 0

Postconditions

((char*)$unknown_222341)[24]' = 2
$unknown_222341' = 0
((char*)&$unknown_222341)[8]' = 384
binary' = &$unknown_222339
data' = irssi_binary
session' = &$unknown_222341
session_file' = 0

Change Warning 2149.2152 : Null Pointer Dereference

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