Bug path

‘test’: events 1-2
39void test (int i)
^~~~
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(1) entry to ‘test’
40{
41 boxed_int *obj = make_boxed_int (i);
~~~~~~~~~~~~~~~~~~
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(2) calling ‘make_boxed_int’ from ‘test’
‘make_boxed_int’: events 3-4
24make_boxed_int (int i)
^~~~~~~~~~~~~~
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(3) entry to ‘make_boxed_int’
25{
26 boxed_int *result = (boxed_int *)wrapped_malloc (sizeof (boxed_int));
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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(4) calling ‘wrapped_malloc’ from ‘make_boxed_int’
‘wrapped_malloc’: events 5-6
8void *wrapped_malloc (size_t size)
^~~~~~~~~~~~~~
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(5) entry to ‘wrapped_malloc’
9{
10 return malloc (size);
~~~~~~~~~~~~~
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(6) allocated here
‘make_boxed_int’: events 7-10
26 boxed_int *result = (boxed_int *)wrapped_malloc (sizeof (boxed_int));
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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(7) returning to ‘make_boxed_int’ from ‘wrapped_malloc’
27 if (!result)
~
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(8) assuming ‘result’ is non-NULL
(9) following ‘false’ branch (when ‘result’ is non-NULL)...
28 abort ();
29 result->i = i;
~~~~~~~~~~~~~
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(10) ...to here
‘test’: events 11-12
41 boxed_int *obj = make_boxed_int (i);
^~~~~~~~~~~~~~~~~~
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(11) returning to ‘test’ from ‘make_boxed_int’
42
43 free_boxed_int (obj);
~~~~~~~~~~~~~~~~~~~~
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(12) calling ‘free_boxed_int’ from ‘test’
‘free_boxed_int’: events 13-14
34free_boxed_int (boxed_int *bi)
^~~~~~~~~~~~~~
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(13) entry to ‘free_boxed_int’
35{
36 wrapped_free (bi);
~~~~~~~~~~~~~~~~~
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(14) calling ‘wrapped_free’ from ‘free_boxed_int’
‘wrapped_free’: events 15-16
13void wrapped_free (void *ptr)
^~~~~~~~~~~~
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(15) entry to ‘wrapped_free’
14{
15 free (ptr); /* { dg-warning "double-'free' of 'ptr' \\\[CWE-415\\\]" } */
~~~~~~~~~~
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(16) first ‘free’ here
‘free_boxed_int’: event 17
36 wrapped_free (bi);
^~~~~~~~~~~~~~~~~
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(17) returning to ‘free_boxed_int’ from ‘wrapped_free’
‘test’: events 18-19
43 free_boxed_int (obj);
^~~~~~~~~~~~~~~~~~~~
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(18) returning to ‘test’ from ‘free_boxed_int’
44
45 free_boxed_int (obj);
~~~~~~~~~~~~~~~~~~~~
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(19) passing freed pointer ‘obj’ in call to ‘free_boxed_int’ from ‘test’
‘free_boxed_int’: events 20-21
34free_boxed_int (boxed_int *bi)
^~~~~~~~~~~~~~
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(20) entry to ‘free_boxed_int’
35{
36 wrapped_free (bi);
~~~~~~~~~~~~~~~~~
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(21) passing freed pointer ‘bi’ in call to ‘wrapped_free’ from ‘free_boxed_int’
‘wrapped_free’: events 22-23
13void wrapped_free (void *ptr)
^~~~~~~~~~~~
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(22) entry to ‘wrapped_free’
14{
15 free (ptr); /* { dg-warning "double-'free' of 'ptr' \\\[CWE-415\\\]" } */
~~~~~~~~~~
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(23) second ‘free’ here; first ‘free’ was at (16)