Fwd: New Defects reported by Coverity Scan for RTEMS-Newlib

[Joel Sherrill <joel@rtems.org>]

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The RTEMS Project scan on newlib shows that the recent change introduced a
new issue.

--joel

---------- Forwarded message ---------
From: <scan-admin@coverity.com>
Date: Fri, Nov 10, 2023 at 12:19 AM
Subject: New Defects reported by Coverity Scan for RTEMS-Newlib
To: <joel.sherrill@gmail.com>


Hi,

Please find the latest report on new defect(s) introduced to RTEMS-Newlib
found with Coverity Scan.

6 new defect(s) introduced to RTEMS-Newlib found with Coverity Scan.
2 defect(s), reported by Coverity Scan earlier, were marked fixed in the
recent build analyzed by Coverity Scan.

New defect(s) Reported-by: Coverity Scan
Showing 6 of 6 defect(s)


** CID 423232:  Uninitialized variables  (UNINIT)


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*** CID 423232:  Uninitialized variables  (UNINIT)
/home/joel/rtems-cron-coverity/sourceware-mirror-newlib-cygwin/newlib/libc/stdio/sscanf.c:
469 in _sscanf_r()
463       f._bf._size = f._r = strlen (str);
464       f._read = __seofread;
465       f._ub._base = NULL;
466       f._lb._base = NULL;
467       f._file = -1;  /* No file. */
468       va_start (ap, fmt);
>>>     CID 423232:  Uninitialized variables  (UNINIT)
>>>     Using uninitialized value "f._flags2" when calling "__ssvfscanf_r".
469       ret = __ssvfscanf_r (ptr, &f, fmt, ap);
470       va_end (ap);
471       return ret;
472     }
473
474     #ifdef _NANO_FORMATTED_IO
475     int
476     _siscanf_r (struct _reent *, const char *, const char *, ...)
477            _ATTRIBUTE ((__alias__("_sscanf_r")));

** CID 423231:  Uninitialized variables  (UNINIT)


________________________________________________________________________________________________________
*** CID 423231:  Uninitialized variables  (UNINIT)
/home/joel/rtems-cron-coverity/sourceware-mirror-newlib-cygwin/newlib/libc/stdio/vsiscanf.c:
58 in _vsiscanf_r()
52       f._bf._base = f._p = (unsigned char *) str;
53       f._bf._size = f._r = strlen (str);
54       f._read = __seofread;
55       f._ub._base = NULL;
56       f._lb._base = NULL;
57       f._file = -1;  /* No file. */
>>>     CID 423231:  Uninitialized variables  (UNINIT)
>>>     Using uninitialized value "f._flags2" when calling "__ssvfiscanf_r".
58       return __ssvfiscanf_r (ptr, &f, fmt, ap);

** CID 423230:  Uninitialized variables  (UNINIT)


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*** CID 423230:  Uninitialized variables  (UNINIT)
/home/joel/rtems-cron-coverity/sourceware-mirror-newlib-cygwin/newlib/libc/stdio/siscanf.c:
100 in siscanf()
94       f._bf._size = f._r = strlen (str);
95       f._read = __seofread;
96       f._ub._base = NULL;
97       f._lb._base = NULL;
98       f._file = -1;  /* No file. */
99       va_start (ap, fmt);
>>>     CID 423230:  Uninitialized variables  (UNINIT)
>>>     Using uninitialized value "f._flags2" when calling "__ssvfiscanf_r".
100       ret = __ssvfiscanf_r (_REENT, &f, fmt, ap);
101       va_end (ap);
102       return ret;
103     }
104
105     #endif /* !_REENT_ONLY */

** CID 423229:  Uninitialized variables  (UNINIT)


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*** CID 423229:  Uninitialized variables  (UNINIT)
/home/joel/rtems-cron-coverity/sourceware-mirror-newlib-cygwin/newlib/libc/stdio/siscanf.c:
124 in _siscanf_r()
118       f._bf._size = f._r = strlen (str);
119       f._read = __seofread;
120       f._ub._base = NULL;
121       f._lb._base = NULL;
122       f._file = -1;  /* No file. */
123       va_start (ap, fmt);
>>>     CID 423229:  Uninitialized variables  (UNINIT)
>>>     Using uninitialized value "f._flags2" when calling "__ssvfiscanf_r".
124       ret = __ssvfiscanf_r (ptr, &f, fmt, ap);
125       va_end (ap);
126       return ret;

** CID 423228:  Uninitialized variables  (UNINIT)


________________________________________________________________________________________________________
*** CID 423228:  Uninitialized variables  (UNINIT)
/home/joel/rtems-cron-coverity/sourceware-mirror-newlib-cygwin/newlib/libc/stdio/sscanf.c:
439 in sscanf()
433       f._bf._size = f._r = strlen (str);
434       f._read = __seofread;
435       f._ub._base = NULL;
436       f._lb._base = NULL;
437       f._file = -1;  /* No file. */
438       va_start (ap, fmt);
>>>     CID 423228:  Uninitialized variables  (UNINIT)
>>>     Using uninitialized value "f._flags2" when calling "__ssvfscanf_r".
439       ret = __ssvfscanf_r (_REENT, &f, fmt, ap);
440       va_end (ap);
441       return ret;
442     }
443
444     #ifdef _NANO_FORMATTED_IO

** CID 423227:  Uninitialized variables  (UNINIT)


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*** CID 423227:  Uninitialized variables  (UNINIT)
/home/joel/rtems-cron-coverity/sourceware-mirror-newlib-cygwin/newlib/libc/stdio/vsscanf.c:
64 in _vsscanf_r()
58       f._bf._base = f._p = (unsigned char *) str;
59       f._bf._size = f._r = strlen (str);
60       f._read = __seofread;
61       f._ub._base = NULL;
62       f._lb._base = NULL;
63       f._file = -1;  /* No file. */
>>>     CID 423227:  Uninitialized variables  (UNINIT)
>>>     Using uninitialized value "f._flags2" when calling "__ssvfscanf_r".
64       return __ssvfscanf_r (ptr, &f, fmt, ap);
65     }
66
67     #ifdef _NANO_FORMATTED_IO
68     int
69     _vsiscanf_r (struct _reent *, const char *, const char *, __VALIST)
70            _ATTRIBUTE ((__alias__("_vsscanf_r")));


________________________________________________________________________________________________________
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