9db9842aea
Fixed error found by the free coverity tool ( https://scan.coverity.com/ )
===================================================
Hi,
Please find the latest report on new defect(s) introduced to ErikZalm/Marlin found with Coverity Scan.
Defect(s) Reported-by: Coverity Scan
Showing 15 of 15 defect(s)
** CID 59629: Unchecked return value (CHECKED_RETURN)
/Marlin_main.cpp: 2154 in process_commands()()
** CID 59630: Operands don't affect result (CONSTANT_EXPRESSION_RESULT)
/Applications/Arduino.app/Contents/Resources/Java/hardware/arduino/cores/arduino/Tone.cpp: 319 in tone(unsigned char, unsigned int, unsigned long)()
** CID 59631: Missing break in switch (MISSING_BREAK)
/Marlin_main.cpp: 1187 in process_commands()()
** CID 59632: Missing break in switch (MISSING_BREAK)
/Marlin_main.cpp: 1193 in process_commands()()
** CID 59633: Out-of-bounds write (OVERRUN)
/temperature.cpp: 914 in disable_heater()()
** CID 59634: Out-of-bounds write (OVERRUN)
/temperature.cpp: 913 in disable_heater()()
** CID 59635: Out-of-bounds read (OVERRUN)
/temperature.cpp: 626 in analog2temp(int, unsigned char)()
** CID 59636: Out-of-bounds read (OVERRUN)
/temperature.cpp: 620 in analog2temp(int, unsigned char)()
** CID 59637: Out-of-bounds write (OVERRUN)
/temperature.cpp: 202 in PID_autotune(float, int, int)()
** CID 59638: Out-of-bounds read (OVERRUN)
/temperature.cpp: 214 in PID_autotune(float, int, int)()
** CID 59639: Out-of-bounds write (OVERRUN)
/Marlin_main.cpp: 2278 in process_commands()()
** CID 59640: Out-of-bounds read (OVERRUN)
/Marlin_main.cpp: 1802 in process_commands()()
** CID 59641: Uninitialized scalar field (UNINIT_CTOR)
/Applications/Arduino.app/Contents/Resources/Java/libraries/LiquidCrystal/LiquidCrystal.cpp: 51 in LiquidCrystal::LiquidCrystal(unsigned char, unsigned char, unsigned char, unsigned char, unsigned char, unsigned char)()
** CID 59642: Uninitialized scalar field (UNINIT_CTOR)
/Applications/Arduino.app/Contents/Resources/Java/libraries/LiquidCrystal/LiquidCrystal.cpp: 45 in LiquidCrystal::LiquidCrystal(unsigned char, unsigned char, unsigned char, unsigned char, unsigned char, unsigned char, unsigned char)()
** CID 59643: Uninitialized scalar field (UNINIT_CTOR)
/Applications/Arduino.app/Contents/Resources/Java/libraries/LiquidCrystal/LiquidCrystal.cpp: 32 in LiquidCrystal::LiquidCrystal(unsigned char, unsigned char, unsigned char, unsigned char, unsigned char, unsigned char, unsigned char, unsigned char, unsigned char, unsigned char, unsigned char)()
________________________________________________________________________________________________________
*** CID 59629: Unchecked return value (CHECKED_RETURN)
/Marlin_main.cpp: 2154 in process_commands()()
2148 }
2149 #endif
2150 }
2151 }
2152 break;
2153 case 85: // M85
CID 59629: Unchecked return value (CHECKED_RETURN)
Calling "code_seen" without checking return value (as is done elsewhere 66 out of 67 times).
2154 code_seen('S');
2155 max_inactive_time = code_value() * 1000;
2156 break;
2157 case 92: // M92
2158 for(int8_t i=0; i < NUM_AXIS; i++)
2159 {
________________________________________________________________________________________________________
*** CID 59630: Operands don't affect result (CONSTANT_EXPRESSION_RESULT)
/Applications/Arduino.app/Contents/Resources/Java/hardware/arduino/cores/arduino/Tone.cpp: 319 in tone(unsigned char, unsigned int, unsigned long)()
313 else
314 {
315 // two choices for the 16 bit timers: ck/1 or ck/64
316 ocr = F_CPU / frequency / 2 - 1;
317
318 prescalarbits = 0b001;
CID 59630: Operands don't affect result (CONSTANT_EXPRESSION_RESULT)
"ocr > 65535U" is always false regardless of the values of its operands. This occurs as the logical operand of if.
319 if (ocr > 0xffff)
320 {
321 ocr = F_CPU / frequency / 2 / 64 - 1;
322 prescalarbits = 0b011;
323 }
324
________________________________________________________________________________________________________
*** CID 59631: Missing break in switch (MISSING_BREAK)
/Marlin_main.cpp: 1187 in process_commands()()
1181 case 2: // G2 - CW ARC
1182 if(Stopped == false) {
1183 get_arc_coordinates();
1184 prepare_arc_move(true);
1185 return;
1186 }
CID 59631: Missing break in switch (MISSING_BREAK)
The above case falls through to this one.
1187 case 3: // G3 - CCW ARC
1188 if(Stopped == false) {
1189 get_arc_coordinates();
1190 prepare_arc_move(false);
1191 return;
1192 }
________________________________________________________________________________________________________
*** CID 59632: Missing break in switch (MISSING_BREAK)
/Marlin_main.cpp: 1193 in process_commands()()
1187 case 3: // G3 - CCW ARC
1188 if(Stopped == false) {
1189 get_arc_coordinates();
1190 prepare_arc_move(false);
1191 return;
1192 }
CID 59632: Missing break in switch (MISSING_BREAK)
The above case falls through to this one.
1193 case 4: // G4 dwell
1194 LCD_MESSAGEPGM(MSG_DWELL);
1195 codenum = 0;
1196 if(code_seen('P')) codenum = code_value(); // milliseconds to wait
1197 if(code_seen('S')) codenum = code_value() * 1000; // seconds to wait
1198
________________________________________________________________________________________________________
*** CID 59633: Out-of-bounds write (OVERRUN)
/temperature.cpp: 914 in disable_heater()()
908 WRITE(HEATER_0_PIN,LOW);
909 #endif
910 #endif
911
912 #if defined(TEMP_1_PIN) && TEMP_1_PIN > -1
913 target_temperature[1]=0;
CID 59633: Out-of-bounds write (OVERRUN)
Overrunning array "soft_pwm" of 1 bytes at byte offset 1 using index "1".
914 soft_pwm[1]=0;
915 #if defined(HEATER_1_PIN) && HEATER_1_PIN > -1
916 WRITE(HEATER_1_PIN,LOW);
917 #endif
918 #endif
919
________________________________________________________________________________________________________
*** CID 59634: Out-of-bounds write (OVERRUN)
/temperature.cpp: 913 in disable_heater()()
907 #if defined(HEATER_0_PIN) && HEATER_0_PIN > -1
908 WRITE(HEATER_0_PIN,LOW);
909 #endif
910 #endif
911
912 #if defined(TEMP_1_PIN) && TEMP_1_PIN > -1
CID 59634: Out-of-bounds write (OVERRUN)
Overrunning array "target_temperature" of 1 2-byte elements at element index 1 (byte offset 2) using index "1".
913 target_temperature[1]=0;
914 soft_pwm[1]=0;
915 #if defined(HEATER_1_PIN) && HEATER_1_PIN > -1
916 WRITE(HEATER_1_PIN,LOW);
917 #endif
918 #endif
________________________________________________________________________________________________________
*** CID 59635: Out-of-bounds read (OVERRUN)
/temperature.cpp: 626 in analog2temp(int, unsigned char)()
620 if(heater_ttbl_map[e] != NULL)
621 {
622 float celsius = 0;
623 uint8_t i;
624 short (*tt)[][2] = (short (*)[][2])(heater_ttbl_map[e]);
625
CID 59635: Out-of-bounds read (OVERRUN)
Overrunning array "heater_ttbllen_map" of 1 bytes at byte offset 1 using index "e" (which evaluates to 1).
626 for (i=1; i<heater_ttbllen_map[e]; i++)
627 {
628 if (PGM_RD_W((*tt)[i][0]) > raw)
629 {
630 celsius = PGM_RD_W((*tt)[i-1][1]) +
631 (raw - PGM_RD_W((*tt)[i-1][0])) *
________________________________________________________________________________________________________
*** CID 59636: Out-of-bounds read (OVERRUN)
/temperature.cpp: 620 in analog2temp(int, unsigned char)()
614 if (e == 0)
615 {
616 return 0.25 * raw;
617 }
618 #endif
619
CID 59636: Out-of-bounds read (OVERRUN)
Overrunning array "heater_ttbl_map" of 1 2-byte elements at element index 1 (byte offset 2) using index "e" (which evaluates to 1).
620 if(heater_ttbl_map[e] != NULL)
621 {
622 float celsius = 0;
623 uint8_t i;
624 short (*tt)[][2] = (short (*)[][2])(heater_ttbl_map[e]);
625
________________________________________________________________________________________________________
*** CID 59637: Out-of-bounds write (OVERRUN)
/temperature.cpp: 202 in PID_autotune(float, int, int)()
196 {
197 soft_pwm_bed = (MAX_BED_POWER)/2;
198 bias = d = (MAX_BED_POWER)/2;
199 }
200 else
201 {
CID 59637: Out-of-bounds write (OVERRUN)
Overrunning array "soft_pwm" of 1 bytes at byte offset 1 using index "extruder" (which evaluates to 1).
202 soft_pwm[extruder] = (PID_MAX)/2;
203 bias = d = (PID_MAX)/2;
204 }
205
206
207
________________________________________________________________________________________________________
*** CID 59638: Out-of-bounds read (OVERRUN)
/temperature.cpp: 214 in PID_autotune(float, int, int)()
208
209 for(;;) {
210
211 if(temp_meas_ready == true) { // temp sample ready
212 updateTemperaturesFromRawValues();
213
CID 59638: Out-of-bounds read (OVERRUN)
Overrunning array "current_temperature" of 1 4-byte elements at element index 1 (byte offset 4) using index "extruder" (which evaluates to 1).
214 input = (extruder<0)?current_temperature_bed:current_temperature[extruder];
215
216 max=max(max,input);
217 min=min(min,input);
218 if(heating == true && input > temp) {
219 if(millis() - t2 > 5000) {
________________________________________________________________________________________________________
*** CID 59639: Out-of-bounds write (OVERRUN)
/Marlin_main.cpp: 2278 in process_commands()()
2272 tmp_extruder = code_value();
2273 if(tmp_extruder >= EXTRUDERS) {
2274 SERIAL_ECHO_START;
2275 SERIAL_ECHO(MSG_M200_INVALID_EXTRUDER);
2276 }
2277 }
CID 59639: Out-of-bounds write (OVERRUN)
Overrunning array "volumetric_multiplier" of 1 4-byte elements at element index 1 (byte offset 4) using index "tmp_extruder" (which evaluates to 1).
2278 volumetric_multiplier[tmp_extruder] = 1 / area;
2279 }
2280 break;
2281 case 201: // M201
2282 for(int8_t i=0; i < NUM_AXIS; i++)
2283 {
________________________________________________________________________________________________________
*** CID 59640: Out-of-bounds read (OVERRUN)
/Marlin_main.cpp: 1802 in process_commands()()
1796 int pin_status = code_value();
1797 int pin_number = LED_PIN;
1798 if (code_seen('P') && pin_status >= 0 && pin_status <= 255)
1799 pin_number = code_value();
1800 for(int8_t i = 0; i < (int8_t)sizeof(sensitive_pins); i++)
1801 {
CID 59640: Out-of-bounds read (OVERRUN)
Overrunning array "sensitive_pins" of 28 2-byte elements at element index 55 (byte offset 110) using index "i" (which evaluates to 55).
1802 if (sensitive_pins[i] == pin_number)
1803 {
1804 pin_number = -1;
1805 break;
1806 }
1807 }
________________________________________________________________________________________________________
*** CID 59641: Uninitialized scalar field (UNINIT_CTOR)
/Applications/Arduino.app/Contents/Resources/Java/libraries/LiquidCrystal/LiquidCrystal.cpp: 51 in LiquidCrystal::LiquidCrystal(unsigned char, unsigned char, unsigned char, unsigned char, unsigned char, unsigned char)()
45 }
46
47 LiquidCrystal::LiquidCrystal(uint8_t rs, uint8_t enable,
48 uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3)
49 {
50 init(1, rs, 255, enable, d0, d1, d2, d3, 0, 0, 0, 0);
CID 59641: Uninitialized scalar field (UNINIT_CTOR)
Non-static class member "_initialized" is not initialized in this constructor nor in any functions that it calls.
51 }
52
53 void LiquidCrystal::init(uint8_t fourbitmode, uint8_t rs, uint8_t rw, uint8_t enable,
54 uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
55 uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7)
56 {
________________________________________________________________________________________________________
*** CID 59642: Uninitialized scalar field (UNINIT_CTOR)
/Applications/Arduino.app/Contents/Resources/Java/libraries/LiquidCrystal/LiquidCrystal.cpp: 45 in LiquidCrystal::LiquidCrystal(unsigned char, unsigned char, unsigned char, unsigned char, unsigned char, unsigned char, unsigned char)()
39 }
40
41 LiquidCrystal::LiquidCrystal(uint8_t rs, uint8_t rw, uint8_t enable,
42 uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3)
43 {
44 init(1, rs, rw, enable, d0, d1, d2, d3, 0, 0, 0, 0);
CID 59642: Uninitialized scalar field (UNINIT_CTOR)
Non-static class member "_initialized" is not initialized in this constructor nor in any functions that it calls.
45 }
46
47 LiquidCrystal::LiquidCrystal(uint8_t rs, uint8_t enable,
48 uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3)
49 {
50 init(1, rs, 255, enable, d0, d1, d2, d3, 0, 0, 0, 0);
________________________________________________________________________________________________________
*** CID 59643: Uninitialized scalar field (UNINIT_CTOR)
/Applications/Arduino.app/Contents/Resources/Java/libraries/LiquidCrystal/LiquidCrystal.cpp: 32 in LiquidCrystal::LiquidCrystal(unsigned char, unsigned char, unsigned char, unsigned char, unsigned char, unsigned char, unsigned char, unsigned char, unsigned char, unsigned char, unsigned char)()
26
27 LiquidCrystal::LiquidCrystal(uint8_t rs, uint8_t rw, uint8_t enable,
28 uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
29 uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7)
30 {
31 init(0, rs, rw, enable, d0, d1, d2, d3, d4, d5, d6, d7);
CID 59643: Uninitialized scalar field (UNINIT_CTOR)
Non-static class member "_initialized" is not initialized in this constructor nor in any functions that it calls.
32 }
33
34 LiquidCrystal::LiquidCrystal(uint8_t rs, uint8_t enable,
35 uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
36 uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7)
37 {
________________________________________________________________________________________________________
To view the defects in Coverity Scan visit, http://scan.coverity.com/projects/2224?tab=overview
11 years ago
Neil Darlow
Grogyan
Courtney Bane
bonm014
alexborro
Pablo Clemente
daid
cocktailyogi
Oskar Linde
nothinman
Greg Tan
Gina Häußge
Dim3nsioneer
Justin Nesselrotte
David Forrest
Erik van der Zalm
zaubara
Alejandro Romero
Cameron Lai