Hi devs,
I have re-run the coverity scan on master, results below.
There is also the option of Travis integration which might be a good idea.
Anyone to support this?
Markus
---------- Forwarded message ---------
From: <scan-admin@coverity.com>
Date: Mon, Feb 3, 2020 at 6:58 PM
Subject: New Defects reported by Coverity Scan for grass
To: <neteler@gmail.com>
Hi,
Please find the latest report on new defect(s) introduced to grass
found with Coverity Scan.
600 new defect(s) introduced to grass found with Coverity Scan.
1 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 20 of 600 defect(s)
** CID 1415720: Uninitialized variables (UNINIT)
/raster/r.geomorphon/pattern.c: 128 in calc_pattern()
________________________________________________________________________________________________________
*** CID 1415720: Uninitialized variables (UNINIT)
/raster/r.geomorphon/pattern.c: 128 in calc_pattern()
122 pattern->negatives += i;
123
124 if (fabs(zenith_angle) > zenith_threshold ||
125 fabs(nadir_angle) > nadir_threshold) {
126 if (fabs(nadir_angle) < fabs(zenith_angle)) {
127 pattern->pattern[i] = 1;
CID 1415720: Uninitialized variables (UNINIT)
Using uninitialized value "zenith_height".
128 pattern->elevation[i] = zenith_height; /* ZMIANA! */
129 pattern->distance[i] = zenith_distance;
130 pattern->num_positives++;
131 }
132 if (fabs(nadir_angle) > fabs(zenith_angle)) {
133 pattern->pattern[i] = -1;
** CID 1415719: Resource leaks (RESOURCE_LEAK)
/vector/v.info/level1.c: 29 in level_one_info()
________________________________________________________________________________________________________
*** CID 1415719: Resource leaks (RESOURCE_LEAK)
/vector/v.info/level1.c: 29 in level_one_info()
23 n_faces = n_kernels = 0;
24
25 Points = Vect_new_line_struct();
26 Cats = Vect_new_cats_struct();
27
28 Vect_rewind(Map);
CID 1415719: Resource leaks (RESOURCE_LEAK)
Failing to save or free storage allocated by "Vect_get_full_name(Map)" leaks it.
29 G_message(_("Topology not available for vector map <%s>. "
30 "Registering primitives..."), Vect_get_full_name(Map));
31 while (TRUE) {
32 /* register line */
33 type = Vect_read_next_line(Map, Points, Cats);
34
** CID 1415718: Resource leaks (RESOURCE_LEAK)
/display/d.barscale/draw_scale.c: 637 in draw_scale()
________________________________________________________________________________________________________
*** CID 1415718: Resource leaks (RESOURCE_LEAK)
/display/d.barscale/draw_scale.c: 637 in draw_scale()
631 D_end(); /* no-op? */
632 }
633 D_stroke();
634
635
636 if (fontsize < 0)
CID 1415718: Resource leaks (RESOURCE_LEAK)
Variable "label" going out of scope leaks the storage it points to.
637 return 0;
638
639 /* draw the distance + units text */
640
641 D_get_text_box(label, &tt, &tb, &tl, &tr);
642
** CID 1415717: Resource leaks (RESOURCE_LEAK)
/vector/v.overlay/area_area.c: 493 in area_area()
________________________________________________________________________________________________________
*** CID 1415717: Resource leaks (RESOURCE_LEAK)
/vector/v.overlay/area_area.c: 493 in area_area()
487 }
488
489 if (centr[0] || centr[1])
490 Vect_write_line(Out, GV_BOUNDARY, Points, Cats);
491 }
492
CID 1415717: Resource leaks (RESOURCE_LEAK)
Variable "APoints" going out of scope leaks the storage it points to.
493 return 0;
** CID 1415716: (STRING_OVERFLOW)
/raster/r.geomorphon/main.c: 504 in main()
/raster/r.geomorphon/main.c: 307 in main()
________________________________________________________________________________________________________
*** CID 1415716: (STRING_OVERFLOW)
/raster/r.geomorphon/main.c: 504 in main()
498 num_of_steps = 5;
499 multi_patterns = G_malloc(num_of_steps * sizeof(PATTERN));
500 /* prepare outputs */
501 for (i = 0; i < 5; ++i) {
502 multiple_output[i].forms_buffer =
Rast_allocate_buf(CELL_TYPE);
503 strcpy(multiple_output[i].name, prefix);
CID 1415716: (STRING_OVERFLOW)
You might overrun the 100-character fixed-size string "multiple_output[i].name" by copying "postfixes[i]" without checking the length.
504 strcat(multiple_output[i].name, postfixes[i]);
505 multiple_output[i].fd =
506 Rast_open_new(multiple_output[i].name, CELL_TYPE);
507 }
508
509 /* main loop */
/raster/r.geomorphon/main.c: 307 in main()
301
302 /* generate global ternary codes */
303 for (i = 0; i < 6561; ++i)
304 global_ternary_codes[i] = ternary_rotate(i);
305
306 /* open DEM */
CID 1415716: (STRING_OVERFLOW)
You might overrun the 150-character fixed-size string "elevation.elevname" by copying "opt_input->answer" without checking the length.
307 strcpy(elevation.elevname, opt_input->answer);
308 open_map(&elevation);
309
310 if (!multires) {
311 PATTERN *pattern;
312 PATTERN patterns[4];
** CID 1415715: Memory - illegal accesses (UNINIT)
/raster/r.fill.stats/main.c: 1111 in main()
________________________________________________________________________________________________________
*** CID 1415715: Memory - illegal accesses (UNINIT)
/raster/r.fill.stats/main.c: 1111 in main()
1105 data_type_string_out = "double";
1106 }
1107
1108 /* initialize data type dependent cell handling functions */
1109 init_cell_funcs();
1110
CID 1415715: Memory - illegal accesses (UNINIT)
Using uninitialized value "data_type_string_in" when calling "G_message".
1111 G_message(_("Input data type is '%s' (%i bytes) and
output data type is '%s' (%i bytes)."),
1112 data_type_string_in, CELL_IN_SIZE, data_type_string_out,
1113 CELL_OUT_SIZE);
1114
1115 /* just print projected mem usage if user wants it so */
1116 G_message("Minimal estimated memory usage is %.3f MB.",
** CID 1415714: (TAINTED_SCALAR)
/raster/r.clump/clump.c: 105 in do_renumber()
/raster/r.clump/clump.c: 157 in do_renumber()
________________________________________________________________________________________________________
*** CID 1415714: (TAINTED_SCALAR)
/raster/r.clump/clump.c: 105 in do_renumber()
99 G_fatal_error(_("Unable to read from temp file"));
100
101 temp_clump = cur_clump;
102
103 do_write = 0;
104 for (col = 0; col < ncols; col++) {
CID 1415714: (TAINTED_SCALAR)
Using tainted variable "*temp_clump" as an index to pointer "index".
105 new_clump = clumpid[index[*temp_clump]];
106 if (*temp_clump != new_clump) {
107 *temp_clump = new_clump;
108 do_write = 1;
109 }
110 temp_clump++;
/raster/r.clump/clump.c: 157 in do_renumber()
151 G_fatal_error(_("Unable to read from temp file"));
152
153 temp_clump = cur_clump;
154 temp_cell = out_cell;
155
156 for (col = 0; col < ncols; col++) {
CID 1415714: (TAINTED_SCALAR)
Using tainted variable "*temp_clump" as an index to pointer "index".
157 *temp_cell = clumpid[index[*temp_clump]];
158 if (*temp_cell == 0) {
159 Rast_set_c_null_value(temp_cell, 1);
160 }
161 temp_clump++;
162 temp_cell++;
** CID 1415713: Insecure data handling (TAINTED_SCALAR)
________________________________________________________________________________________________________
*** CID 1415713: Insecure data handling (TAINTED_SCALAR)
/lib/vector/Vlib/read_nat.c: 226 in V2_read_next_line_nat()
220 if (!Vect_box_overlap(&lbox, &mbox))
221 continue;
222 }
223
224 if (line_c && Map->constraint.field_flag) {
225 /* skip feature by field */
CID 1415713: Insecure data handling (TAINTED_SCALAR)
Passing tainted variable "line_c->n_cats" to a tainted sink.
226 if (Vect_cat_get(line_c, Map->constraint.field, NULL) == 0)
227 continue;
228 }
229
230 return ret;
231 }
** CID 1415712: API usage errors (PRINTF_ARGS)
________________________________________________________________________________________________________
*** CID 1415712: API usage errors (PRINTF_ARGS)
/lib/psdriver/erase.c: 6 in PS_Erase()
0 }
1 #include "psdriver.h"
2
3 void PS_Erase(void)
4 {
5 if (ps.encapsulated)
CID 1415712: API usage errors (PRINTF_ARGS)
Argument "ps.bot" to format specifier "%d" was expected to have type "int" but has type "double".
6 output("%d %d %d %d BOX\n", ps.left, ps.top, ps.right, ps.bot);
7 else
8 output("ERASE\n");
** CID 1415711: (UNINIT)
/raster/r.geomorphon/pattern.c: 129 in calc_pattern()
/raster/r.geomorphon/pattern.c: 108 in calc_pattern()
________________________________________________________________________________________________________
*** CID 1415711: (UNINIT)
/raster/r.geomorphon/pattern.c: 129 in calc_pattern()
123
124 if (fabs(zenith_angle) > zenith_threshold ||
125 fabs(nadir_angle) > nadir_threshold) {
126 if (fabs(nadir_angle) < fabs(zenith_angle)) {
127 pattern->pattern[i] = 1;
128 pattern->elevation[i] = zenith_height; /* ZMIANA! */
CID 1415711: (UNINIT)
Using uninitialized value "zenith_distance".
129 pattern->distance[i] = zenith_distance;
130 pattern->num_positives++;
131 }
132 if (fabs(nadir_angle) > fabs(zenith_angle)) {
133 pattern->pattern[i] = -1;
134 pattern->elevation[i] = nadir_height; /* ZMIANA! */
/raster/r.geomorphon/pattern.c: 108 in calc_pattern()
102 }
103 } else {
104 patterns->distance[i]=search_distance;
105 }
106 */
107 /* this is used to lower flat threshold if distance
exceed flat_distance parameter */
CID 1415711: (UNINIT)
Using uninitialized value "zenith_distance".
108 zenith_threshold = (flat_distance > 0 &&
109 flat_distance <
110 zenith_distance) ?
atan2(flat_threshold_height,
111 zenith_distance) :
112 flat_threshold;
113 nadir_threshold = (flat_distance > 0 &&
** CID 1415710: Incorrect expression (SIZEOF_MISMATCH)
/imagery/i.segment/write_output.c: 229 in write_bands_ms()
________________________________________________________________________________________________________
*** CID 1415710: Incorrect expression (SIZEOF_MISMATCH)
/imagery/i.segment/write_output.c: 229 in write_bands_ms()
223 struct Colors colors;
224 struct History hist;
225 struct ngbr_stats Rout;
226
227 out_fd = G_malloc(sizeof(int) * globals->nbands);
228 name = G_malloc(sizeof(char *) * globals->nbands);
CID 1415710: Incorrect expression (SIZEOF_MISMATCH)
Passing argument "8UL /* sizeof (DCELL) */ * globals->nbands" to function "G__malloc" and then casting the return value to "DCELL **" is suspicious.
229 outbuf = G_malloc(sizeof(DCELL) * globals->nbands);
230 for (n = 0; n < globals->nbands; n++) {
231 outbuf[n] = Rast_allocate_d_buf();
232 G_asprintf(&name[n], "%s%s",
globals->Ref.file[n].name, globals->bsuf);
233 out_fd[n] = Rast_open_new(name[n], DCELL_TYPE);
234 }
** CID 1415709: (CHECKED_RETURN)
/raster/r.clump/clump.c: 113 in do_renumber()
/raster/r.clump/clump.c: 97 in do_renumber()
________________________________________________________________________________________________________
*** CID 1415709: (CHECKED_RETURN)
/raster/r.clump/clump.c: 113 in do_renumber()
107 *temp_clump = new_clump;
108 do_write = 1;
109 }
110 temp_clump++;
111 }
112 if (do_write) {
CID 1415709: (CHECKED_RETURN)
Calling "lseek(cfd, coffset, 0)" without checking return value. This library function may fail and return an error code.
113 lseek(cfd, coffset, SEEK_SET);
114 if (write(cfd, cur_clump, csize) != csize)
115 G_fatal_error(_("Unable to write to temp file"));
116 }
117 }
118 G_percent(1, 1, 1);
/raster/r.clump/clump.c: 97 in do_renumber()
91
92 for (row = 0; row < nrows; row++) {
93
94 G_percent(row, nrows, 2);
95
96 coffset = (off_t)row * csize;
CID 1415709: (CHECKED_RETURN)
Calling "lseek(cfd, coffset, 0)" without checking return value. This library function may fail and return an error code.
97 lseek(cfd, coffset, SEEK_SET);
98 if (read(cfd, cur_clump, csize) != csize)
99 G_fatal_error(_("Unable to read from temp file"));
100
101 temp_clump = cur_clump;
102
** CID 1415708: Insecure data handling (TAINTED_SCALAR)
________________________________________________________________________________________________________
*** CID 1415708: Insecure data handling (TAINTED_SCALAR)
/raster/r.statistics/o_adev.c: 51 in o_adev()
45 catb = basecat;
46 catc = covercat;
47 count = 0;
48 }
49
50 if (usecats)
CID 1415708: Insecure data handling (TAINTED_SCALAR)
Passing tainted variable "*((CELL *)&covercat)" to a tainted sink.
51 sscanf(Rast_get_c_cat((CELL *) &covercat, cats), "%lf", &x);
52 else
53 x = covercat;
54
55 for (i = 0; i < value; i++) {
56 if (count * sizeof(double) >= mem) {
** CID 1415707: (TAINTED_SCALAR)
/lib/vector/diglib/plus.c: 235 in dig_load_plus()
/lib/vector/diglib/plus.c: 225 in dig_load_plus()
/lib/vector/diglib/plus.c: 255 in dig_load_plus()
/lib/vector/diglib/plus.c: 245 in dig_load_plus()
________________________________________________________________________________________________________
*** CID 1415707: (TAINTED_SCALAR)
/lib/vector/diglib/plus.c: 235 in dig_load_plus()
229
230 /* Lines */
231 if (dig_fseek(plus, Plus->Line_offset, 0) == -1)
232 G_fatal_error(_("Unable read topology for lines"));
233
234 dig_alloc_lines(Plus, Plus->n_lines);
CID 1415707: (TAINTED_SCALAR)
Using tainted variable "Plus->n_lines" as a loop boundary.
235 for (i = 1; i <= Plus->n_lines; i++) {
236 if (dig_Rd_P_line(Plus, i, plus) == -1)
237 G_fatal_error(_("Unable to read topology for line %d"), i);
238 }
239
240 /* Areas */
/lib/vector/diglib/plus.c: 225 in dig_load_plus()
219
220 /* Nodes */
221 if (dig_fseek(plus, Plus->Node_offset, 0) == -1)
222 G_fatal_error(_("Unable read topology for nodes"));
223
224 dig_alloc_nodes(Plus, Plus->n_nodes);
CID 1415707: (TAINTED_SCALAR)
Using tainted variable "Plus->n_nodes" as a loop boundary.
225 for (i = 1; i <= Plus->n_nodes; i++) {
226 if (dig_Rd_P_node(Plus, i, plus) == -1)
227 G_fatal_error(_("Unable to read topology for node %d"), i);
228 }
229
230 /* Lines */
/lib/vector/diglib/plus.c: 255 in dig_load_plus()
249
250 /* Isles */
251 if (dig_fseek(plus, Plus->Isle_offset, 0) == -1)
252 G_fatal_error(_("Unable to read topology for isles"));
253
254 dig_alloc_isles(Plus, Plus->n_isles);
CID 1415707: (TAINTED_SCALAR)
Using tainted variable "Plus->n_isles" as a loop boundary.
255 for (i = 1; i <= Plus->n_isles; i++) {
256 if (dig_Rd_P_isle(Plus, i, plus) == -1)
257 G_fatal_error(_("Unable to read topology for isle %d"), i);
258 }
259
260 return (1);
/lib/vector/diglib/plus.c: 245 in dig_load_plus()
239
240 /* Areas */
241 if (dig_fseek(plus, Plus->Area_offset, 0) == -1)
242 G_fatal_error(_("Unable to read topo for areas"));
243
244 dig_alloc_areas(Plus, Plus->n_areas);
CID 1415707: (TAINTED_SCALAR)
Using tainted variable "Plus->n_areas" as a loop boundary.
245 for (i = 1; i <= Plus->n_areas; i++) {
246 if (dig_Rd_P_area(Plus, i, plus) == -1)
247 G_fatal_error(_("Unable read topology for area %d"), i);
248 }
249
250 /* Isles */
** CID 1415706: Resource leaks (RESOURCE_LEAK)
/lib/rst/interp_float/segmen2d_parallel.c: 418 in
IL_interp_segments_2d_parallel()
________________________________________________________________________________________________________
*** CID 1415706: Resource leaks (RESOURCE_LEAK)
/lib/rst/interp_float/segmen2d_parallel.c: 418 in
IL_interp_segments_2d_parallel()
412 G_free_ivector(indx);
413 G_free_vector(b);
414 */
415 G_free(data_local[tid]->points);
416 G_free(data_local[tid]);
417 }
CID 1415706: Resource leaks (RESOURCE_LEAK)
Variable "point" going out of scope leaks the storage it points to.
418 }
419 } /* All threads join master
thread and terminate */
420
421 for (i_cnt = 0; i_cnt < threads; i_cnt++) {
422 G_free(matrix[i_cnt]);
423 G_free(indx[i_cnt]);
** CID 1415705: Resource leaks (RESOURCE_LEAK)
/vector/v.external/list.c: 353 in list_layers_ogr()
________________________________________________________________________________________________________
*** CID 1415705: Resource leaks (RESOURCE_LEAK)
/vector/v.external/list.c: 353 in list_layers_ogr()
347 ret = i;
348 }
349 }
350
351 OGR_DS_Destroy(Ogr_ds);
352
CID 1415705: Resource leaks (RESOURCE_LEAK)
Variable "loc_proj_units" going out of scope leaks the storage it points to.
353 return ret;
354 }
** CID 1415704: API usage errors (PW.TOO_FEW_PRINTF_ARGS)
/vector/v.in.ascii/points.c: 151 in ()
________________________________________________________________________________________________________
*** CID 1415704: API usage errors (PW.TOO_FEW_PRINTF_ARGS)
/vector/v.in.ascii/points.c: 151 in ()
145 catcol >= ntokens) {
146 if (ignore_flag) {
147 G_debug(3, "Skipping broken row %d: '%s'", row, buf);
148 continue;
149 }
150 else {
CID 1415704: API usage errors (PW.TOO_FEW_PRINTF_ARGS)
the format string requires additional arguments
151 G_warning(_("ntokens: %d, xcol: %d, ycol: %d,
zcol: %d"), xcol, ycol, zcol);
152 G_fatal_error(_("Broken row %d: '%s'"), row, buf);
153 }
154 }
155
156 len = strlen(buf) + 1;
** CID 1415703: Resource leaks (RESOURCE_LEAK)
/vector/v.label.sa/labels.c: 723 in label_line_candidates()
________________________________________________________________________________________________________
*** CID 1415703: Resource leaks (RESOURCE_LEAK)
/vector/v.label.sa/labels.c: 723 in label_line_candidates()
717 tmp_shape = label->shape;
718 label->shape = tmp;
719
720 label_point_candidates(label);
721 label->shape = tmp_shape;
722 Vect_destroy_line_struct(tmp);
CID 1415703: Resource leaks (RESOURCE_LEAK)
Variable "below_candidates" going out of scope leaks the storage it points to.
723 return;
724 }
725
726 candidates = G_calloc(n * 2, sizeof(label_candidate_t));
727 for (i = 0; i < n; i++) {
728 memcpy(&candidates[i * 2], &above_candidates[i],
** CID 1415702: (DC.WEAK_CRYPTO)
/vector/v.label.sa/annealing.c: 82 in simulate_annealing()
/vector/v.label.sa/annealing.c: 72 in simulate_annealing()
/vector/v.label.sa/annealing.c: 107 in simulate_annealing()
________________________________________________________________________________________________________
*** CID 1415702: (DC.WEAK_CRYPTO)
/vector/v.label.sa/annealing.c: 82 in simulate_annealing()
76 if (lp->n_candidates < 2)
77 continue;
78
79 cc = lp->current_candidate;
80 /*and a random new candidate place */
81 c = (int)((double)(lp->n_candidates) *
CID 1415702: (DC.WEAK_CRYPTO)
"rand" should not be used for security-related applications, because linear congruential algorithms are too easy to break.
82 (rand() / (RAND_MAX + 1.0)));
83 if (c == cc) {
84 if (c == 0)
85 c++;
86 else
87 c--;
/vector/v.label.sa/annealing.c: 72 in simulate_annealing()
66
67 for (i = 0; i < (n_labels * 30); i++) {
68 int l, c, cc, r;
69 label_t *lp;
70
71 /* pick a random label */
CID 1415702: (DC.WEAK_CRYPTO)
"rand" should not be used for security-related applications, because linear congruential algorithms are too easy to break.
72 r = rand();
73 l = (int)((double)(n_labels) * (r / (RAND_MAX + 1.0)));
74 lp = &labels[l];
75 /* skip labels without sufficient number of candidates */
76 if (lp->n_candidates < 2)
77 continue;
/vector/v.label.sa/annealing.c: 107 in simulate_annealing()
101 }
102 /* else apply with probability p=e^(-dE/T) */
103 else {
104 double dp, dr;
105
106 dp = pow(M_E, -dE / T);
CID 1415702: (DC.WEAK_CRYPTO)
"rand" should not be used for security-related applications, because linear congruential algorithms are too easy to break.
107 dr = (double)rand() / RAND_MAX;
108 if (dr <= dp) {
109 do_label_overlap(lp, cc, c);
110 lp->current_score += lp->candidates[c].score;
111 lp->current_candidate = c;
112 successes++;
** CID 1415701: Resource leaks (RESOURCE_LEAK)
/vector/v.overlay/area_area.c: 493 in area_area()
________________________________________________________________________________________________________
*** CID 1415701: Resource leaks (RESOURCE_LEAK)
/vector/v.overlay/area_area.c: 493 in area_area()
487 }
488
489 if (centr[0] || centr[1])
490 Vect_write_line(Out, GV_BOUNDARY, Points, Cats);
491 }
492
CID 1415701: Resource leaks (RESOURCE_LEAK)
Variable "Points" going out of scope leaks the storage it points to.
493 return 0;
________________________________________________________________________________________________________
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--
Markus Neteler, PhD
https://www.mundialis.de - free data with free software
https://grass.osgeo.org
https://courses.neteler.org/blog
