1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
|
From 88971a0a5660805f71ba8696e9291eaee822d996 Mon Sep 17 00:00:00 2001
From: Tomas Hozza <thozza@redhat.com>
Date: Fri, 8 Feb 2013 15:12:32 +0100
Subject: [PATCH 1/4] OVERRUN (CWE-119)
Coverity output:
bsd-finger-0.17/finger/util.c:392: cond_true: Condition "*q", taking
true branch
bsd-finger-0.17/finger/util.c:393: cond_false: Condition
"!(*__ctype_b_loc()[(int)*q] & 2048 /* (unsigned short)_ISdigit */)",
taking false branch
bsd-finger-0.17/finger/util.c:394: if_end: End of if statement
bsd-finger-0.17/finger/util.c:394: loop: Jumping back to the beginning
of the loop
bsd-finger-0.17/finger/util.c:392: loop_begin: Jumped back to beginning
of loop
bsd-finger-0.17/finger/util.c:392: cond_false: Condition "*q", taking
false branch
bsd-finger-0.17/finger/util.c:394: loop_end: Reached end of loop
bsd-finger-0.17/finger/util.c:396: alias: Assigning: "p" = "pbuf". "p"
now points to byte 0 of "pbuf" (which consists of 15 bytes).
bsd-finger-0.17/finger/util.c:397: switch: Switch case value "11"
bsd-finger-0.17/finger/util.c:398: switch_case: Reached case "11"
bsd-finger-0.17/finger/util.c:399: ptr_incr: Incrementing "p". "p" now
points to byte 1 of "pbuf" (which consists of 15 bytes).
bsd-finger-0.17/finger/util.c:400: ptr_incr: Incrementing "p". "p" now
points to byte 2 of "pbuf" (which consists of 15 bytes).
bsd-finger-0.17/finger/util.c:401: ptr_incr: Incrementing "p". "p" now
points to byte 3 of "pbuf" (which consists of 15 bytes).
bsd-finger-0.17/finger/util.c:404: ptr_incr: Incrementing "p". "p" now
points to byte 4 of "pbuf" (which consists of 15 bytes).
bsd-finger-0.17/finger/util.c:405: ptr_incr: Incrementing "p". "p" now
points to byte 5 of "pbuf" (which consists of 15 bytes).
bsd-finger-0.17/finger/util.c:406: ptr_incr: Incrementing "p". "p" now
points to byte 6 of "pbuf" (which consists of 15 bytes).
bsd-finger-0.17/finger/util.c:407: ptr_incr: Incrementing "p". "p" now
points to byte 7 of "pbuf" (which consists of 15 bytes).
bsd-finger-0.17/finger/util.c:410: ptr_incr: Incrementing "p". "p" now
points to byte 8 of "pbuf" (which consists of 15 bytes).
bsd-finger-0.17/finger/util.c:411: ptr_incr: Incrementing "p". "p" now
points to byte 9 of "pbuf" (which consists of 15 bytes).
bsd-finger-0.17/finger/util.c:412: ptr_incr: Incrementing "p". "p" now
points to byte 10 of "pbuf" (which consists of 15 bytes).
bsd-finger-0.17/finger/util.c:413: break: Breaking from switch
bsd-finger-0.17/finger/util.c:421: switch_end: Reached end of switch
bsd-finger-0.17/finger/util.c:422: cond_true: Condition "len != 4",
taking true branch
bsd-finger-0.17/finger/util.c:423: ptr_incr: Incrementing "p". "p" now
points to byte 11 of "pbuf" (which consists of 15 bytes).
bsd-finger-0.17/finger/util.c:424: ptr_incr: Incrementing "p". "p" now
points to byte 12 of "pbuf" (which consists of 15 bytes).
bsd-finger-0.17/finger/util.c:426: ptr_incr: Incrementing "p". "p" now
points to byte 13 of "pbuf" (which consists of 15 bytes).
bsd-finger-0.17/finger/util.c:427: ptr_incr: Incrementing "p". "p" now
points to byte 14 of "pbuf" (which consists of 15 bytes).
bsd-finger-0.17/finger/util.c:428: ptr_incr: Incrementing "p". "p" now
points to byte 15 of "pbuf" (which consists of 15 bytes).
bsd-finger-0.17/finger/util.c:429: overrun-local: Overrunning array of
15 bytes at byte offset 15 by dereferencing pointer "p".
Signed-off-by: Tomas Hozza <thozza@redhat.com>
---
finger/util.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/finger/util.c b/finger/util.c
index a9c3b5d..ee44541 100644
--- a/finger/util.c
+++ b/finger/util.c
@@ -386,7 +386,7 @@ prphone(const char *num)
char *p;
const char *q;
int len;
- static char pbuf[15];
+ static char pbuf[16];
/* don't touch anything if the user has their own formatting */
for (q = num; *q; ++q)
--
1.8.1.2
From 93a36eb8d32b0cbe3034e3742b128eb81934875c Mon Sep 17 00:00:00 2001
From: Tomas Hozza <thozza@redhat.com>
Date: Fri, 8 Feb 2013 15:19:34 +0100
Subject: [PATCH 2/4] RESOURCE_LEAK (CWE-772)
Coverity output:
bsd-finger-0.17/finger/finger.c:293: cond_false: Condition "setlocale(6,
"") != NULL", taking false branch
bsd-finger-0.17/finger/finger.c:294: if_end: End of if statement
bsd-finger-0.17/finger/finger.c:296: alloc_fn: Storage is returned from
allocation function "calloc(size_t, size_t)".
bsd-finger-0.17/finger/finger.c:296: var_assign: Assigning: "used" =
storage returned from "calloc(argc, 4UL)".
bsd-finger-0.17/finger/finger.c:297: cond_false: Condition "!used",
taking false branch
bsd-finger-0.17/finger/finger.c:300: if_end: End of if statement
bsd-finger-0.17/finger/finger.c:303: cond_true: Condition "i < argc",
taking true branch
bsd-finger-0.17/finger/finger.c:304: cond_true: Condition
"!__coverity_strchr(argv[i], 64)", taking true branch
bsd-finger-0.17/finger/finger.c:306: continue: Continuing loop
bsd-finger-0.17/finger/finger.c:313: loop: Looping back
bsd-finger-0.17/finger/finger.c:303: cond_true: Condition "i < argc",
taking true branch
bsd-finger-0.17/finger/finger.c:304: cond_true: Condition
"!__coverity_strchr(argv[i], 64)", taking true branch
bsd-finger-0.17/finger/finger.c:306: continue: Continuing loop
bsd-finger-0.17/finger/finger.c:313: loop: Looping back
bsd-finger-0.17/finger/finger.c:303: cond_false: Condition "i < argc",
taking false branch
bsd-finger-0.17/finger/finger.c:313: loop_end: Reached end of loop
bsd-finger-0.17/finger/finger.c:316: cond_true: Condition "dolocal",
taking true branch
bsd-finger-0.17/finger/finger.c:316: noescape: Resource "used" is not
freed or pointed-to in function "do_local(int, char **, int *)".
bsd-finger-0.17/finger/finger.c:251:51: noescape: "do_local(int, char
**, int *)" does not free or save its pointer parameter "used".
bsd-finger-0.17/finger/finger.c:319: cond_false: Condition "pn", taking
false branch
bsd-finger-0.17/finger/finger.c:323: loop_end: Reached end of loop
bsd-finger-0.17/finger/finger.c:325: cond_true: Condition "entries ==
0", taking true branch
bsd-finger-0.17/finger/finger.c:326: leaked_storage: Variable "used"
going out of scope leaks the storage it points to.
bsd-finger-0.17/finger/finger.c:293: cond_false: Condition "setlocale(6,
"") != NULL", taking false branch
bsd-finger-0.17/finger/finger.c:294: if_end: End of if statement
bsd-finger-0.17/finger/finger.c:296: alloc_fn: Storage is returned from
allocation function "calloc(size_t, size_t)".
bsd-finger-0.17/finger/finger.c:296: var_assign: Assigning: "used" =
storage returned from "calloc(argc, 4UL)".
bsd-finger-0.17/finger/finger.c:297: cond_false: Condition "!used",
taking false branch
bsd-finger-0.17/finger/finger.c:300: if_end: End of if statement
bsd-finger-0.17/finger/finger.c:303: cond_true: Condition "i < argc",
taking true branch
bsd-finger-0.17/finger/finger.c:304: cond_true: Condition
"!__coverity_strchr(argv[i], 64)", taking true branch
bsd-finger-0.17/finger/finger.c:306: continue: Continuing loop
bsd-finger-0.17/finger/finger.c:313: loop: Looping back
bsd-finger-0.17/finger/finger.c:303: cond_true: Condition "i < argc",
taking true branch
bsd-finger-0.17/finger/finger.c:304: cond_true: Condition
"!__coverity_strchr(argv[i], 64)", taking true branch
bsd-finger-0.17/finger/finger.c:306: continue: Continuing loop
bsd-finger-0.17/finger/finger.c:313: loop: Looping back
bsd-finger-0.17/finger/finger.c:303: cond_false: Condition "i < argc",
taking false branch
bsd-finger-0.17/finger/finger.c:313: loop_end: Reached end of loop
bsd-finger-0.17/finger/finger.c:316: cond_true: Condition "dolocal",
taking true branch
bsd-finger-0.17/finger/finger.c:316: noescape: Resource "used" is not
freed or pointed-to in function "do_local(int, char **, int *)".
bsd-finger-0.17/finger/finger.c:251:51: noescape: "do_local(int, char
**, int *)" does not free or save its pointer parameter "used".
bsd-finger-0.17/finger/finger.c:319: cond_true: Condition "pn", taking
true branch
bsd-finger-0.17/finger/finger.c:321: cond_false: Condition "pn->next",
taking false branch
bsd-finger-0.17/finger/finger.c:321: cond_true: Condition "entries",
taking true branch
bsd-finger-0.17/finger/finger.c:323: loop: Jumping back to the beginning
of the loop
bsd-finger-0.17/finger/finger.c:319: loop_begin: Jumped back to
beginning of loop
bsd-finger-0.17/finger/finger.c:319: cond_false: Condition "pn", taking
false branch
bsd-finger-0.17/finger/finger.c:323: loop_end: Reached end of loop
bsd-finger-0.17/finger/finger.c:325: cond_false: Condition "entries ==
0", taking false branch
bsd-finger-0.17/finger/finger.c:326: if_end: End of if statement
bsd-finger-0.17/finger/finger.c:339: cond_false: Condition "(uptr =
getutent()) != NULL", taking false branch
bsd-finger-0.17/finger/finger.c:351: loop_end: Reached end of loop
bsd-finger-0.17/finger/finger.c:352: cond_true: Condition "pn != NULL",
taking true branch
bsd-finger-0.17/finger/finger.c:354: loop: Jumping back to the beginning
of the loop
bsd-finger-0.17/finger/finger.c:352: loop_begin: Jumped back to
beginning of loop
bsd-finger-0.17/finger/finger.c:352: cond_false: Condition "pn != NULL",
taking false branch
bsd-finger-0.17/finger/finger.c:354: loop_end: Reached end of loop
bsd-finger-0.17/finger/finger.c:356: leaked_storage: Variable "used"
going out of scope leaks the storage it points to.
Signed-off-by: Tomas Hozza <thozza@redhat.com>
---
finger/finger.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/finger/finger.c b/finger/finger.c
index ebf7309..6653e82 100644
--- a/finger/finger.c
+++ b/finger/finger.c
@@ -323,7 +323,10 @@ userlist(int argc, char *argv[])
}
if (entries == 0)
+ {
+ free(used);
return;
+ }
/*
* Scan thru the list of users currently logged in, saving
@@ -353,4 +356,5 @@ userlist(int argc, char *argv[])
enter_lastlog(pn);
}
endutent();
+ free(used);
}
--
1.8.1.2
From bf805902875147e582402fa736022c10edb163bc Mon Sep 17 00:00:00 2001
From: Tomas Hozza <thozza@redhat.com>
Date: Fri, 8 Feb 2013 15:41:05 +0100
Subject: [PATCH 3/4] RESOURCE_LEAK (CWE-772)
Coverity output:
bsd-finger-0.17/finger/sprint.c:60: alloc_fn: Storage is returned from
allocation function "sort(void)".
bsd-finger-0.17/finger/sprint.c:142:2: alloc_fn: Storage is returned
from allocation function "malloc(size_t)".
bsd-finger-0.17/finger/sprint.c:142:2: var_assign: Assigning: "list" =
"malloc((u_int)(entries * 8UL))".
bsd-finger-0.17/finger/sprint.c:142:2: cond_false: Condition "!(list =
(PERSON **)malloc((u_int)(entries * 8UL /* sizeof (PERSON *) */)))",
taking false branch
bsd-finger-0.17/finger/sprint.c:145:2: if_end: End of if statement
bsd-finger-0.17/finger/sprint.c:146:7: var_assign: Assigning: "lp" =
"list".
bsd-finger-0.17/finger/sprint.c:146:2: cond_true: Condition "pn !=
NULL", taking true branch
bsd-finger-0.17/finger/sprint.c:147:3: loop: Jumping back to the
beginning of the loop
bsd-finger-0.17/finger/sprint.c:146:2: loop_begin: Jumped back to
beginning of loop
bsd-finger-0.17/finger/sprint.c:146:2: cond_false: Condition "pn !=
NULL", taking false branch
bsd-finger-0.17/finger/sprint.c:147:3: loop_end: Reached end of loop
bsd-finger-0.17/finger/sprint.c:148:2: noescape: Resource "list" is not
freed or pointed-to in function "qsort(void *, size_t, size_t,
__compar_fn_t)".
bsd-finger-0.17/finger/sprint.c:149:2: return_alloc: Returning allocated
memory "list".
bsd-finger-0.17/finger/sprint.c:60: var_assign: Assigning: "list" =
storage returned from "sort()".
bsd-finger-0.17/finger/sprint.c:76: cond_true: Condition "cnt <
entries", taking true branch
bsd-finger-0.17/finger/sprint.c:79: cond_true: Condition "pn->name",
taking true branch
bsd-finger-0.17/finger/sprint.c:80: cond_true: Condition "l > maxlname",
taking true branch
bsd-finger-0.17/finger/sprint.c:81: cond_true: Condition "pn->realname",
taking true branch
bsd-finger-0.17/finger/sprint.c:82: cond_true: Condition "l > maxrname",
taking true branch
bsd-finger-0.17/finger/sprint.c:83: loop: Jumping back to the beginning
of the loop
bsd-finger-0.17/finger/sprint.c:76: loop_begin: Jumped back to beginning
of loop
bsd-finger-0.17/finger/sprint.c:76: cond_true: Condition "cnt <
entries", taking true branch
bsd-finger-0.17/finger/sprint.c:79: cond_true: Condition "pn->name",
taking true branch
bsd-finger-0.17/finger/sprint.c:80: cond_true: Condition "l > maxlname",
taking true branch
bsd-finger-0.17/finger/sprint.c:81: cond_true: Condition "pn->realname",
taking true branch
bsd-finger-0.17/finger/sprint.c:82: cond_true: Condition "l > maxrname",
taking true branch
bsd-finger-0.17/finger/sprint.c:83: loop: Jumping back to the beginning
of the loop
bsd-finger-0.17/finger/sprint.c:76: loop_begin: Jumped back to beginning
of loop
bsd-finger-0.17/finger/sprint.c:76: cond_true: Condition "cnt <
entries", taking true branch
bsd-finger-0.17/finger/sprint.c:79: cond_true: Condition "pn->name",
taking true branch
bsd-finger-0.17/finger/sprint.c:80: cond_true: Condition "l > maxlname",
taking true branch
bsd-finger-0.17/finger/sprint.c:81: cond_true: Condition "pn->realname",
taking true branch
bsd-finger-0.17/finger/sprint.c:82: cond_false: Condition "l >
maxrname", taking false branch
bsd-finger-0.17/finger/sprint.c:82: if_end: End of if statement
bsd-finger-0.17/finger/sprint.c:83: loop: Jumping back to the beginning
of the loop
bsd-finger-0.17/finger/sprint.c:76: loop_begin: Jumped back to beginning
of loop
bsd-finger-0.17/finger/sprint.c:76: cond_false: Condition "cnt <
entries", taking false branch
bsd-finger-0.17/finger/sprint.c:83: loop_end: Reached end of loop
bsd-finger-0.17/finger/sprint.c:86: cond_true: Condition "maxlname +
maxrname > space", taking true branch
bsd-finger-0.17/finger/sprint.c:89: cond_true: Condition "maxlname +
maxrname < space - 2", taking true branch
bsd-finger-0.17/finger/sprint.c:93: cond_true: Condition "cnt <
entries", taking true branch
bsd-finger-0.17/finger/sprint.c:95: cond_true: Condition "w != NULL",
taking true branch
bsd-finger-0.17/finger/sprint.c:96: cond_true: Condition "pn->realname",
taking true branch
bsd-finger-0.17/finger/sprint.c:99: cond_true: Condition "!w->loginat",
taking true branch
bsd-finger-0.17/finger/sprint.c:101: goto: Jumping to label "office"
bsd-finger-0.17/finger/sprint.c:120: label: Reached label "office"
bsd-finger-0.17/finger/sprint.c:121: cond_true: Condition "pn->office",
taking true branch
bsd-finger-0.17/finger/sprint.c:122: if_fallthrough: Falling through to
end of if statement
bsd-finger-0.17/finger/sprint.c:124: if_end: End of if statement
bsd-finger-0.17/finger/sprint.c:125: cond_true: Condition
"pn->officephone", taking true branch
bsd-finger-0.17/finger/sprint.c:126: if_fallthrough: Falling through to
end of if statement
bsd-finger-0.17/finger/sprint.c:129: if_end: End of if statement
bsd-finger-0.17/finger/sprint.c:131: cond_true: Condition "w->host[0] !=
0", taking true branch
bsd-finger-0.17/finger/sprint.c:134: loop: Jumping back to the beginning
of the loop
bsd-finger-0.17/finger/sprint.c:95: loop_begin: Jumped back to beginning
of loop
bsd-finger-0.17/finger/sprint.c:95: cond_false: Condition "w != NULL",
taking false branch
bsd-finger-0.17/finger/sprint.c:134: loop_end: Reached end of loop
bsd-finger-0.17/finger/sprint.c:135: loop: Jumping back to the beginning
of the loop
bsd-finger-0.17/finger/sprint.c:93: loop_begin: Jumped back to beginning
of loop
bsd-finger-0.17/finger/sprint.c:93: cond_true: Condition "cnt <
entries", taking true branch
bsd-finger-0.17/finger/sprint.c:95: cond_true: Condition "w != NULL",
taking true branch
bsd-finger-0.17/finger/sprint.c:96: cond_true: Condition "pn->realname",
taking true branch
bsd-finger-0.17/finger/sprint.c:99: cond_true: Condition "!w->loginat",
taking true branch
bsd-finger-0.17/finger/sprint.c:101: goto: Jumping to label "office"
bsd-finger-0.17/finger/sprint.c:120: label: Reached label "office"
bsd-finger-0.17/finger/sprint.c:121: cond_true: Condition "pn->office",
taking true branch
bsd-finger-0.17/finger/sprint.c:122: if_fallthrough: Falling through to
end of if statement
bsd-finger-0.17/finger/sprint.c:124: if_end: End of if statement
bsd-finger-0.17/finger/sprint.c:125: cond_true: Condition
"pn->officephone", taking true branch
bsd-finger-0.17/finger/sprint.c:126: if_fallthrough: Falling through to
end of if statement
bsd-finger-0.17/finger/sprint.c:129: if_end: End of if statement
bsd-finger-0.17/finger/sprint.c:131: cond_true: Condition "w->host[0] !=
0", taking true branch
bsd-finger-0.17/finger/sprint.c:134: loop: Jumping back to the beginning
of the loop
bsd-finger-0.17/finger/sprint.c:95: loop_begin: Jumped back to beginning
of loop
bsd-finger-0.17/finger/sprint.c:95: cond_false: Condition "w != NULL",
taking false branch
bsd-finger-0.17/finger/sprint.c:134: loop_end: Reached end of loop
bsd-finger-0.17/finger/sprint.c:135: loop: Jumping back to the beginning
of the loop
bsd-finger-0.17/finger/sprint.c:93: loop_begin: Jumped back to beginning
of loop
bsd-finger-0.17/finger/sprint.c:93: cond_true: Condition "cnt <
entries", taking true branch
bsd-finger-0.17/finger/sprint.c:95: cond_true: Condition "w != NULL",
taking true branch
bsd-finger-0.17/finger/sprint.c:96: cond_true: Condition "pn->realname",
taking true branch
bsd-finger-0.17/finger/sprint.c:99: cond_true: Condition "!w->loginat",
taking true branch
bsd-finger-0.17/finger/sprint.c:101: goto: Jumping to label "office"
bsd-finger-0.17/finger/sprint.c:120: label: Reached label "office"
bsd-finger-0.17/finger/sprint.c:121: cond_true: Condition "pn->office",
taking true branch
bsd-finger-0.17/finger/sprint.c:122: if_fallthrough: Falling through to
end of if statement
bsd-finger-0.17/finger/sprint.c:124: if_end: End of if statement
bsd-finger-0.17/finger/sprint.c:125: cond_true: Condition
"pn->officephone", taking true branch
bsd-finger-0.17/finger/sprint.c:126: if_fallthrough: Falling through to
end of if statement
bsd-finger-0.17/finger/sprint.c:129: if_end: End of if statement
bsd-finger-0.17/finger/sprint.c:131: cond_true: Condition "w->host[0] !=
0", taking true branch
bsd-finger-0.17/finger/sprint.c:134: loop: Jumping back to the beginning
of the loop
bsd-finger-0.17/finger/sprint.c:95: loop_begin: Jumped back to beginning
of loop
bsd-finger-0.17/finger/sprint.c:95: cond_false: Condition "w != NULL",
taking false branch
bsd-finger-0.17/finger/sprint.c:134: loop_end: Reached end of loop
bsd-finger-0.17/finger/sprint.c:135: loop: Jumping back to the beginning
of the loop
bsd-finger-0.17/finger/sprint.c:93: loop_begin: Jumped back to beginning
of loop
bsd-finger-0.17/finger/sprint.c:93: cond_false: Condition "cnt <
entries", taking false branch
bsd-finger-0.17/finger/sprint.c:135: loop_end: Reached end of loop
bsd-finger-0.17/finger/sprint.c:136: leaked_storage: Variable "list"
going out of scope leaks the storage it points to.
Signed-off-by: Tomas Hozza <thozza@redhat.com>
---
finger/sprint.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/finger/sprint.c b/finger/sprint.c
index 0aaa82f..c66584f 100644
--- a/finger/sprint.c
+++ b/finger/sprint.c
@@ -133,6 +133,7 @@ office:
xputc('\n');
}
}
+ free(list);
}
static PERSON **sort(void) {
--
1.8.1.2
From d8638a83edb2ab42adaa8a77f74d350095ce281f Mon Sep 17 00:00:00 2001
From: Tomas Hozza <thozza@redhat.com>
Date: Fri, 8 Feb 2013 15:58:40 +0100
Subject: [PATCH 4/4] DEADCODE (CWE-561)
Coverity output:
bsd-finger-0.17/finger/net.c:173: assignment: Assigning: "ateol" = "1".
bsd-finger-0.17/finger/net.c:178: assignment: Assigning: "ateol" = "1".
bsd-finger-0.17/finger/net.c:191: const: At condition "ateol", the value
of "ateol" must be equal to 1.
bsd-finger-0.17/finger/net.c:191: dead_error_condition: The condition
"!ateol" cannot be true.
bsd-finger-0.17/finger/net.c:191: dead_error_line: Execution cannot
reach this statement "xputc(10);".
Signed-off-by: Tomas Hozza <thozza@redhat.com>
---
finger/net.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/finger/net.c b/finger/net.c
index d273432..157090f 100644
--- a/finger/net.c
+++ b/finger/net.c
@@ -183,7 +183,10 @@ void netfinger(const char *name) {
/* don't print */
}
else {
- if (c == '\n') ateol = 1;
+ if (c == '\n')
+ ateol = 1;
+ else
+ ateol = 0;
sawret = 0;
xputc(c);
}
--
1.8.1.2
|
