Fix comments in one test

This commit is contained in:
Owen Mansel-Chan
2026-07-07 12:06:43 +01:00
parent 76d8ae8694
commit fa16728522
2 changed files with 44 additions and 44 deletions

View File

@@ -1,3 +1,36 @@
#select
| test.cpp:6:14:6:15 | * ... | test.cpp:4:15:4:33 | call to malloc | test.cpp:6:14:6:15 | * ... | This read might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:4:15:4:33 | call to malloc | call to malloc | test.cpp:5:19:5:22 | size | size |
| test.cpp:8:14:8:21 | * ... | test.cpp:4:15:4:33 | call to malloc | test.cpp:8:14:8:21 | * ... | This read might be out of bounds, as the pointer might be equal to $@ + $@ + 1. | test.cpp:4:15:4:33 | call to malloc | call to malloc | test.cpp:5:19:5:22 | size | size |
| test.cpp:20:14:20:21 | * ... | test.cpp:16:15:16:33 | call to malloc | test.cpp:20:14:20:21 | * ... | This read might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:16:15:16:33 | call to malloc | call to malloc | test.cpp:17:19:17:22 | size | size |
| test.cpp:30:14:30:15 | * ... | test.cpp:28:15:28:37 | call to malloc | test.cpp:30:14:30:15 | * ... | This read might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:28:15:28:37 | call to malloc | call to malloc | test.cpp:29:20:29:27 | ... + ... | ... + ... |
| test.cpp:32:14:32:21 | * ... | test.cpp:28:15:28:37 | call to malloc | test.cpp:32:14:32:21 | * ... | This read might be out of bounds, as the pointer might be equal to $@ + $@ + 1. | test.cpp:28:15:28:37 | call to malloc | call to malloc | test.cpp:29:20:29:27 | ... + ... | ... + ... |
| test.cpp:67:9:67:14 | ... = ... | test.cpp:52:19:52:37 | call to malloc | test.cpp:67:9:67:14 | ... = ... | This write might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:52:19:52:37 | call to malloc | call to malloc | test.cpp:53:20:53:23 | size | size |
| test.cpp:213:5:213:13 | ... = ... | test.cpp:205:15:205:33 | call to malloc | test.cpp:213:5:213:13 | ... = ... | This write might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:205:15:205:33 | call to malloc | call to malloc | test.cpp:206:21:206:23 | len | len |
| test.cpp:264:13:264:14 | * ... | test.cpp:260:13:260:24 | new[] | test.cpp:264:13:264:14 | * ... | This read might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:260:13:260:24 | new[] | new[] | test.cpp:261:19:261:21 | len | len |
| test.cpp:274:5:274:10 | ... = ... | test.cpp:270:13:270:24 | new[] | test.cpp:274:5:274:10 | ... = ... | This write might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:270:13:270:24 | new[] | new[] | test.cpp:271:19:271:21 | len | len |
| test.cpp:358:14:358:26 | * ... | test.cpp:355:14:355:27 | new[] | test.cpp:358:14:358:26 | * ... | This read might be out of bounds, as the pointer might be equal to $@ + $@ + 1. | test.cpp:355:14:355:27 | new[] | new[] | test.cpp:356:20:356:23 | size | size |
| test.cpp:359:14:359:32 | * ... | test.cpp:355:14:355:27 | new[] | test.cpp:359:14:359:32 | * ... | This read might be out of bounds, as the pointer might be equal to $@ + $@ + 2. | test.cpp:355:14:355:27 | new[] | new[] | test.cpp:356:20:356:23 | size | size |
| test.cpp:384:13:384:16 | * ... | test.cpp:377:14:377:27 | new[] | test.cpp:384:13:384:16 | * ... | This read might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:377:14:377:27 | new[] | new[] | test.cpp:378:20:378:23 | size | size |
| test.cpp:415:7:415:15 | ... = ... | test.cpp:410:14:410:27 | new[] | test.cpp:415:7:415:15 | ... = ... | This write might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:410:14:410:27 | new[] | new[] | test.cpp:411:19:411:22 | size | size |
| test.cpp:426:7:426:15 | ... = ... | test.cpp:421:14:421:27 | new[] | test.cpp:426:7:426:15 | ... = ... | This write might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:421:14:421:27 | new[] | new[] | test.cpp:422:19:422:22 | size | size |
| test.cpp:438:7:438:15 | ... = ... | test.cpp:432:14:432:27 | new[] | test.cpp:438:7:438:15 | ... = ... | This write might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:432:14:432:27 | new[] | new[] | test.cpp:433:19:433:22 | size | size |
| test.cpp:450:7:450:15 | ... = ... | test.cpp:444:14:444:27 | new[] | test.cpp:450:7:450:15 | ... = ... | This write might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:444:14:444:27 | new[] | new[] | test.cpp:445:19:445:22 | size | size |
| test.cpp:486:7:486:15 | ... = ... | test.cpp:480:14:480:27 | new[] | test.cpp:486:7:486:15 | ... = ... | This write might be out of bounds, as the pointer might be equal to $@ + $@ + 498. | test.cpp:480:14:480:27 | new[] | new[] | test.cpp:481:19:481:22 | size | size |
| test.cpp:548:5:548:19 | ... = ... | test.cpp:543:14:543:27 | new[] | test.cpp:548:5:548:19 | ... = ... | This write might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:543:14:543:27 | new[] | new[] | test.cpp:548:8:548:14 | src_pos | src_pos |
| test.cpp:559:5:559:19 | ... = ... | test.cpp:554:14:554:27 | new[] | test.cpp:559:5:559:19 | ... = ... | This write might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:554:14:554:27 | new[] | new[] | test.cpp:559:8:559:14 | src_pos | src_pos |
| test.cpp:647:5:647:19 | ... = ... | test.cpp:642:14:642:31 | new[] | test.cpp:647:5:647:19 | ... = ... | This write might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:642:14:642:31 | new[] | new[] | test.cpp:647:8:647:14 | src_pos | src_pos |
| test.cpp:733:5:733:12 | ... = ... | test.cpp:730:12:730:28 | new[] | test.cpp:733:5:733:12 | ... = ... | This write might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:730:12:730:28 | new[] | new[] | test.cpp:732:21:732:25 | ... + ... | ... + ... |
| test.cpp:767:16:767:29 | access to array | test.cpp:754:18:754:31 | new[] | test.cpp:767:16:767:29 | access to array | This read might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:754:18:754:31 | new[] | new[] | test.cpp:767:22:767:28 | ... + ... | ... + ... |
| test.cpp:767:16:767:29 | access to array | test.cpp:754:18:754:31 | new[] | test.cpp:767:16:767:29 | access to array | This read might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:754:18:754:31 | new[] | new[] | test.cpp:772:22:772:28 | ... + ... | ... + ... |
| test.cpp:772:16:772:29 | access to array | test.cpp:754:18:754:31 | new[] | test.cpp:772:16:772:29 | access to array | This read might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:754:18:754:31 | new[] | new[] | test.cpp:767:22:767:28 | ... + ... | ... + ... |
| test.cpp:772:16:772:29 | access to array | test.cpp:754:18:754:31 | new[] | test.cpp:772:16:772:29 | access to array | This read might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:754:18:754:31 | new[] | new[] | test.cpp:772:22:772:28 | ... + ... | ... + ... |
| test.cpp:786:18:786:27 | access to array | test.cpp:781:14:781:27 | new[] | test.cpp:786:18:786:27 | access to array | This read might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:781:14:781:27 | new[] | new[] | test.cpp:786:20:786:26 | ... + ... | ... + ... |
| test.cpp:807:7:807:12 | ... = ... | test.cpp:793:14:793:32 | call to malloc | test.cpp:807:7:807:12 | ... = ... | This write might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:793:14:793:32 | call to malloc | call to malloc | test.cpp:794:21:794:24 | size | size |
| test.cpp:821:7:821:12 | ... = ... | test.cpp:793:14:793:32 | call to malloc | test.cpp:821:7:821:12 | ... = ... | This write might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:793:14:793:32 | call to malloc | call to malloc | test.cpp:794:21:794:24 | size | size |
| test.cpp:842:3:842:20 | ... = ... | test.cpp:841:18:841:35 | call to malloc | test.cpp:842:3:842:20 | ... = ... | This write might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:841:18:841:35 | call to malloc | call to malloc | test.cpp:842:11:842:15 | index | index |
| test.cpp:849:5:849:22 | ... = ... | test.cpp:848:20:848:37 | call to malloc | test.cpp:849:5:849:22 | ... = ... | This write might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:848:20:848:37 | call to malloc | call to malloc | test.cpp:849:13:849:17 | index | index |
| test.cpp:860:5:860:11 | ... = ... | test.cpp:856:12:856:35 | call to malloc | test.cpp:860:5:860:11 | ... = ... | This write might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:856:12:856:35 | call to malloc | call to malloc | test.cpp:857:21:857:28 | ... + ... | ... + ... |
| test.cpp:870:14:870:15 | * ... | test.cpp:868:15:868:35 | call to g_malloc | test.cpp:870:14:870:15 | * ... | This read might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:868:15:868:35 | call to g_malloc | call to g_malloc | test.cpp:869:19:869:22 | size | size |
edges
| test.cpp:4:15:4:33 | call to malloc | test.cpp:4:15:4:33 | call to malloc | provenance | |
| test.cpp:4:15:4:33 | call to malloc | test.cpp:5:15:5:22 | ... + ... | provenance | Config |
@@ -289,36 +322,3 @@ nodes
| test.cpp:869:15:869:22 | ... + ... | semmle.label | ... + ... |
| test.cpp:870:14:870:15 | * ... | semmle.label | * ... |
subpaths
#select
| test.cpp:6:14:6:15 | * ... | test.cpp:4:15:4:33 | call to malloc | test.cpp:6:14:6:15 | * ... | This read might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:4:15:4:33 | call to malloc | call to malloc | test.cpp:5:19:5:22 | size | size |
| test.cpp:8:14:8:21 | * ... | test.cpp:4:15:4:33 | call to malloc | test.cpp:8:14:8:21 | * ... | This read might be out of bounds, as the pointer might be equal to $@ + $@ + 1. | test.cpp:4:15:4:33 | call to malloc | call to malloc | test.cpp:5:19:5:22 | size | size |
| test.cpp:20:14:20:21 | * ... | test.cpp:16:15:16:33 | call to malloc | test.cpp:20:14:20:21 | * ... | This read might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:16:15:16:33 | call to malloc | call to malloc | test.cpp:17:19:17:22 | size | size |
| test.cpp:30:14:30:15 | * ... | test.cpp:28:15:28:37 | call to malloc | test.cpp:30:14:30:15 | * ... | This read might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:28:15:28:37 | call to malloc | call to malloc | test.cpp:29:20:29:27 | ... + ... | ... + ... |
| test.cpp:32:14:32:21 | * ... | test.cpp:28:15:28:37 | call to malloc | test.cpp:32:14:32:21 | * ... | This read might be out of bounds, as the pointer might be equal to $@ + $@ + 1. | test.cpp:28:15:28:37 | call to malloc | call to malloc | test.cpp:29:20:29:27 | ... + ... | ... + ... |
| test.cpp:67:9:67:14 | ... = ... | test.cpp:52:19:52:37 | call to malloc | test.cpp:67:9:67:14 | ... = ... | This write might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:52:19:52:37 | call to malloc | call to malloc | test.cpp:53:20:53:23 | size | size |
| test.cpp:213:5:213:13 | ... = ... | test.cpp:205:15:205:33 | call to malloc | test.cpp:213:5:213:13 | ... = ... | This write might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:205:15:205:33 | call to malloc | call to malloc | test.cpp:206:21:206:23 | len | len |
| test.cpp:264:13:264:14 | * ... | test.cpp:260:13:260:24 | new[] | test.cpp:264:13:264:14 | * ... | This read might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:260:13:260:24 | new[] | new[] | test.cpp:261:19:261:21 | len | len |
| test.cpp:274:5:274:10 | ... = ... | test.cpp:270:13:270:24 | new[] | test.cpp:274:5:274:10 | ... = ... | This write might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:270:13:270:24 | new[] | new[] | test.cpp:271:19:271:21 | len | len |
| test.cpp:358:14:358:26 | * ... | test.cpp:355:14:355:27 | new[] | test.cpp:358:14:358:26 | * ... | This read might be out of bounds, as the pointer might be equal to $@ + $@ + 1. | test.cpp:355:14:355:27 | new[] | new[] | test.cpp:356:20:356:23 | size | size |
| test.cpp:359:14:359:32 | * ... | test.cpp:355:14:355:27 | new[] | test.cpp:359:14:359:32 | * ... | This read might be out of bounds, as the pointer might be equal to $@ + $@ + 2. | test.cpp:355:14:355:27 | new[] | new[] | test.cpp:356:20:356:23 | size | size |
| test.cpp:384:13:384:16 | * ... | test.cpp:377:14:377:27 | new[] | test.cpp:384:13:384:16 | * ... | This read might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:377:14:377:27 | new[] | new[] | test.cpp:378:20:378:23 | size | size |
| test.cpp:415:7:415:15 | ... = ... | test.cpp:410:14:410:27 | new[] | test.cpp:415:7:415:15 | ... = ... | This write might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:410:14:410:27 | new[] | new[] | test.cpp:411:19:411:22 | size | size |
| test.cpp:426:7:426:15 | ... = ... | test.cpp:421:14:421:27 | new[] | test.cpp:426:7:426:15 | ... = ... | This write might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:421:14:421:27 | new[] | new[] | test.cpp:422:19:422:22 | size | size |
| test.cpp:438:7:438:15 | ... = ... | test.cpp:432:14:432:27 | new[] | test.cpp:438:7:438:15 | ... = ... | This write might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:432:14:432:27 | new[] | new[] | test.cpp:433:19:433:22 | size | size |
| test.cpp:450:7:450:15 | ... = ... | test.cpp:444:14:444:27 | new[] | test.cpp:450:7:450:15 | ... = ... | This write might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:444:14:444:27 | new[] | new[] | test.cpp:445:19:445:22 | size | size |
| test.cpp:486:7:486:15 | ... = ... | test.cpp:480:14:480:27 | new[] | test.cpp:486:7:486:15 | ... = ... | This write might be out of bounds, as the pointer might be equal to $@ + $@ + 498. | test.cpp:480:14:480:27 | new[] | new[] | test.cpp:481:19:481:22 | size | size |
| test.cpp:548:5:548:19 | ... = ... | test.cpp:543:14:543:27 | new[] | test.cpp:548:5:548:19 | ... = ... | This write might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:543:14:543:27 | new[] | new[] | test.cpp:548:8:548:14 | src_pos | src_pos |
| test.cpp:559:5:559:19 | ... = ... | test.cpp:554:14:554:27 | new[] | test.cpp:559:5:559:19 | ... = ... | This write might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:554:14:554:27 | new[] | new[] | test.cpp:559:8:559:14 | src_pos | src_pos |
| test.cpp:647:5:647:19 | ... = ... | test.cpp:642:14:642:31 | new[] | test.cpp:647:5:647:19 | ... = ... | This write might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:642:14:642:31 | new[] | new[] | test.cpp:647:8:647:14 | src_pos | src_pos |
| test.cpp:733:5:733:12 | ... = ... | test.cpp:730:12:730:28 | new[] | test.cpp:733:5:733:12 | ... = ... | This write might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:730:12:730:28 | new[] | new[] | test.cpp:732:21:732:25 | ... + ... | ... + ... |
| test.cpp:767:16:767:29 | access to array | test.cpp:754:18:754:31 | new[] | test.cpp:767:16:767:29 | access to array | This read might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:754:18:754:31 | new[] | new[] | test.cpp:767:22:767:28 | ... + ... | ... + ... |
| test.cpp:767:16:767:29 | access to array | test.cpp:754:18:754:31 | new[] | test.cpp:767:16:767:29 | access to array | This read might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:754:18:754:31 | new[] | new[] | test.cpp:772:22:772:28 | ... + ... | ... + ... |
| test.cpp:772:16:772:29 | access to array | test.cpp:754:18:754:31 | new[] | test.cpp:772:16:772:29 | access to array | This read might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:754:18:754:31 | new[] | new[] | test.cpp:767:22:767:28 | ... + ... | ... + ... |
| test.cpp:772:16:772:29 | access to array | test.cpp:754:18:754:31 | new[] | test.cpp:772:16:772:29 | access to array | This read might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:754:18:754:31 | new[] | new[] | test.cpp:772:22:772:28 | ... + ... | ... + ... |
| test.cpp:786:18:786:27 | access to array | test.cpp:781:14:781:27 | new[] | test.cpp:786:18:786:27 | access to array | This read might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:781:14:781:27 | new[] | new[] | test.cpp:786:20:786:26 | ... + ... | ... + ... |
| test.cpp:807:7:807:12 | ... = ... | test.cpp:793:14:793:32 | call to malloc | test.cpp:807:7:807:12 | ... = ... | This write might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:793:14:793:32 | call to malloc | call to malloc | test.cpp:794:21:794:24 | size | size |
| test.cpp:821:7:821:12 | ... = ... | test.cpp:793:14:793:32 | call to malloc | test.cpp:821:7:821:12 | ... = ... | This write might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:793:14:793:32 | call to malloc | call to malloc | test.cpp:794:21:794:24 | size | size |
| test.cpp:842:3:842:20 | ... = ... | test.cpp:841:18:841:35 | call to malloc | test.cpp:842:3:842:20 | ... = ... | This write might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:841:18:841:35 | call to malloc | call to malloc | test.cpp:842:11:842:15 | index | index |
| test.cpp:849:5:849:22 | ... = ... | test.cpp:848:20:848:37 | call to malloc | test.cpp:849:5:849:22 | ... = ... | This write might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:848:20:848:37 | call to malloc | call to malloc | test.cpp:849:13:849:17 | index | index |
| test.cpp:860:5:860:11 | ... = ... | test.cpp:856:12:856:35 | call to malloc | test.cpp:860:5:860:11 | ... = ... | This write might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:856:12:856:35 | call to malloc | call to malloc | test.cpp:857:21:857:28 | ... + ... | ... + ... |
| test.cpp:870:14:870:15 | * ... | test.cpp:868:15:868:35 | call to g_malloc | test.cpp:870:14:870:15 | * ... | This read might be out of bounds, as the pointer might be equal to $@ + $@. | test.cpp:868:15:868:35 | call to g_malloc | call to g_malloc | test.cpp:869:19:869:22 | size | size |

View File

@@ -1,11 +1,11 @@
using size_t = decltype(sizeof 0); void* malloc(size_t size);
void test1(int size) {
char* p = (char*)malloc(size); // $ Source[cpp/invalid-pointer-deref]=r1 Source[cpp/invalid-pointer-deref]=r2
char* p = (char*)malloc(size); // $ Source[cpp/invalid-pointer-deref]=r1
char* q = p + size; // $ alloc=L4
char a = *q; // $ deref=L5->L6 Alert[cpp/invalid-pointer-deref]=r1 // BAD
char b = *(q - 1); // GOOD
char c = *(q + 1); // $ deref=L5->L8+1 Alert[cpp/invalid-pointer-deref]=r2 // BAD
char c = *(q + 1); // $ deref=L5->L8+1 Alert[cpp/invalid-pointer-deref]=r1 // BAD
char d = *(q + size); // $ MISSING: Alert // BAD [NOT DETECTED]
char e = *(q - size); // GOOD
char f = *(q + size + 1); // $ MISSING: Alert // BAD [NOT DETECTED]
@@ -25,11 +25,11 @@ void test2(int size) {
}
void test3(int size) {
char* p = (char*)malloc(size + 1); // $ Source[cpp/invalid-pointer-deref]=r4 Source[cpp/invalid-pointer-deref]=r5
char* p = (char*)malloc(size + 1); // $ Source[cpp/invalid-pointer-deref]=r4
char* q = p + (size + 1); // $ alloc=L28+1
char a = *q; // $ deref=L29->L30 Alert[cpp/invalid-pointer-deref]=r4 // BAD
char b = *(q - 1); // GOOD
char c = *(q + 1); // $ deref=L29->L32+1 Alert[cpp/invalid-pointer-deref]=r5 // BAD
char c = *(q + 1); // $ deref=L29->L32+1 Alert[cpp/invalid-pointer-deref]=r4 // BAD
char d = *(q + size); // $ MISSING: Alert // BAD [NOT DETECTED]
char e = *(q - size); // GOOD
char f = *(q + size + 1); // $ MISSING: Alert // BAD [NOT DETECTED]
@@ -352,11 +352,11 @@ void test24(unsigned size) {
}
void test25(unsigned size) {
char *xs = new char[size]; // $ Source[cpp/invalid-pointer-deref]=r10 Source[cpp/invalid-pointer-deref]=r11
char *xs = new char[size]; // $ Source[cpp/invalid-pointer-deref]=r10
char *end = xs + size; // $ alloc=L355
char *end_plus_one = end + 1;
int val1 = *end_plus_one; // $ deref=L356->L358+1 Alert[cpp/invalid-pointer-deref]=r10 // BAD
int val2 = *(end_plus_one + 1); // $ deref=L356->L359+2 Alert[cpp/invalid-pointer-deref]=r11 // BAD
int val2 = *(end_plus_one + 1); // $ deref=L356->L359+2 Alert[cpp/invalid-pointer-deref]=r10 // BAD
}
void test26(unsigned size) {
@@ -751,7 +751,7 @@ void error(const char * msg) {
}
void test38(unsigned size) {
char * alloc = new char[size]; // $ Source[cpp/invalid-pointer-deref]=r22 Source[cpp/invalid-pointer-deref]=r23 Source[cpp/invalid-pointer-deref]=r24 Source[cpp/invalid-pointer-deref]=r25
char * alloc = new char[size]; // $ Source[cpp/invalid-pointer-deref]=r22
unsigned pos = 0;
while (pos < size) {
@@ -764,12 +764,12 @@ void test38(unsigned size) {
case '0':
if (n != 1)
error("");
char x = alloc[pos + 1]; // $ SPURIOUS: alloc=L754 deref=L767 Alert[cpp/invalid-pointer-deref]=r22 Alert[cpp/invalid-pointer-deref]=r23 // GOOD [FALSE POSITIVE]
char x = alloc[pos + 1]; // $ SPURIOUS: alloc=L754 deref=L767 Alert[cpp/invalid-pointer-deref]=r22 // GOOD [FALSE POSITIVE]
break;
case '1':
if (n != 2)
error("");
char a = alloc[pos + 1]; // $ SPURIOUS: alloc=L754 deref=L772 Alert[cpp/invalid-pointer-deref]=r24 Alert[cpp/invalid-pointer-deref]=r25 // GOOD [FALSE POSITIVE]
char a = alloc[pos + 1]; // $ SPURIOUS: alloc=L754 deref=L772 Alert[cpp/invalid-pointer-deref]=r22 // GOOD [FALSE POSITIVE]
char b = alloc[pos + 2];
break;
}
@@ -790,7 +790,7 @@ void test38_simple(unsigned size, unsigned pos, unsigned numParams) {
}
void mk_array_no_field_flow(int size, char** begin, char** end) {
*begin = (char*)malloc(size); // $ Source[cpp/invalid-pointer-deref]=r27 Source[cpp/invalid-pointer-deref]=r28
*begin = (char*)malloc(size); // $ Source[cpp/invalid-pointer-deref]=r27
*end = *begin + size; // $ alloc=L793
}
@@ -818,7 +818,7 @@ void test7_callee_no_field_flow(char* begin, char* end) {
}
for (char* p = begin; p <= end; ++p) {
*p = 0; // $ deref=L794->L815->L821 deref=L794->L816->L821 deref=L794->L820->L821 Alert[cpp/invalid-pointer-deref]=r28 // BAD
*p = 0; // $ deref=L794->L815->L821 deref=L794->L816->L821 deref=L794->L820->L821 Alert[cpp/invalid-pointer-deref]=r27 // BAD
}
for (char* p = begin; p < end; ++p) {