diff options
Diffstat (limited to 'test/Analysis/diagnostics/deref-track-symbolic-region.c')
| -rw-r--r-- | test/Analysis/diagnostics/deref-track-symbolic-region.c | 354 |
1 files changed, 354 insertions, 0 deletions
diff --git a/test/Analysis/diagnostics/deref-track-symbolic-region.c b/test/Analysis/diagnostics/deref-track-symbolic-region.c new file mode 100644 index 000000000000..3ba2707f1aec --- /dev/null +++ b/test/Analysis/diagnostics/deref-track-symbolic-region.c @@ -0,0 +1,354 @@ +// RUN: %clang_cc1 -analyze -analyzer-checker=core -analyzer-output=text -verify %s +// RUN: %clang_cc1 -analyze -analyzer-checker=core -analyzer-output=plist-multi-file %s -o - | FileCheck %s + +struct S { + int *x; + int y; +}; + +int *foo(); + +void inlined(struct S *s, int m) { + if (s->x) + //expected-note@-1{{Taking false branch}} + //expected-note@-2{{Assuming pointer value is null}} + + m++; + +} +void test(struct S syz, int *pp) { + int m = 0; + syz.x = foo(); + inlined(&syz, m); + // expected-note@-1{{Calling 'inlined'}} + // expected-note@-2{{Returning from 'inlined'}} + m += *syz.x; // expected-warning{{Dereference of null pointer (loaded from field 'x')}} + // expected-note@-1{{Dereference of null pointer (loaded from field 'x')}} +} + +//CHECK: <dict> +//CHECK: <key>files</key> +//CHECK: <array> +//CHECK: </array> +//CHECK: <key>diagnostics</key> +//CHECK: <array> +//CHECK: <dict> +//CHECK: <key>path</key> +//CHECK: <array> +//CHECK: <dict> +//CHECK: <key>kind</key><string>control</string> +//CHECK: <key>edges</key> +//CHECK: <array> +//CHECK: <dict> +//CHECK: <key>start</key> +//CHECK: <array> +//CHECK: <dict> +//CHECK: <key>line</key><integer>20</integer> +//CHECK: <key>col</key><integer>3</integer> +//CHECK: <key>file</key><integer>0</integer> +//CHECK: </dict> +//CHECK: <dict> +//CHECK: <key>line</key><integer>20</integer> +//CHECK: <key>col</key><integer>5</integer> +//CHECK: <key>file</key><integer>0</integer> +//CHECK: </dict> +//CHECK: </array> +//CHECK: <key>end</key> +//CHECK: <array> +//CHECK: <dict> +//CHECK: <key>line</key><integer>22</integer> +//CHECK: <key>col</key><integer>3</integer> +//CHECK: <key>file</key><integer>0</integer> +//CHECK: </dict> +//CHECK: <dict> +//CHECK: <key>line</key><integer>22</integer> +//CHECK: <key>col</key><integer>9</integer> +//CHECK: <key>file</key><integer>0</integer> +//CHECK: </dict> +//CHECK: </array> +//CHECK: </dict> +//CHECK: </array> +//CHECK: </dict> +//CHECK: <dict> +//CHECK: <key>kind</key><string>event</string> +//CHECK: <key>location</key> +//CHECK: <dict> +//CHECK: <key>line</key><integer>22</integer> +//CHECK: <key>col</key><integer>3</integer> +//CHECK: <key>file</key><integer>0</integer> +//CHECK: </dict> +//CHECK: <key>ranges</key> +//CHECK: <array> +//CHECK: <array> +//CHECK: <dict> +//CHECK: <key>line</key><integer>22</integer> +//CHECK: <key>col</key><integer>3</integer> +//CHECK: <key>file</key><integer>0</integer> +//CHECK: </dict> +//CHECK: <dict> +//CHECK: <key>line</key><integer>22</integer> +//CHECK: <key>col</key><integer>18</integer> +//CHECK: <key>file</key><integer>0</integer> +//CHECK: </dict> +//CHECK: </array> +//CHECK: </array> +//CHECK: <key>depth</key><integer>0</integer> +//CHECK: <key>extended_message</key> +//CHECK: <string>Calling 'inlined'</string> +//CHECK: <key>message</key> +//CHECK: <string>Calling 'inlined'</string> +//CHECK: </dict> +//CHECK: <dict> +//CHECK: <key>kind</key><string>event</string> +//CHECK: <key>location</key> +//CHECK: <dict> +//CHECK: <key>line</key><integer>11</integer> +//CHECK: <key>col</key><integer>1</integer> +//CHECK: <key>file</key><integer>0</integer> +//CHECK: </dict> +//CHECK: <key>depth</key><integer>1</integer> +//CHECK: <key>extended_message</key> +//CHECK: <string>Entered call from 'test'</string> +//CHECK: <key>message</key> +//CHECK: <string>Entered call from 'test'</string> +//CHECK: </dict> +//CHECK: <dict> +//CHECK: <key>kind</key><string>control</string> +//CHECK: <key>edges</key> +//CHECK: <array> +//CHECK: <dict> +//CHECK: <key>start</key> +//CHECK: <array> +//CHECK: <dict> +//CHECK: <key>line</key><integer>11</integer> +//CHECK: <key>col</key><integer>1</integer> +//CHECK: <key>file</key><integer>0</integer> +//CHECK: </dict> +//CHECK: <dict> +//CHECK: <key>line</key><integer>11</integer> +//CHECK: <key>col</key><integer>4</integer> +//CHECK: <key>file</key><integer>0</integer> +//CHECK: </dict> +//CHECK: </array> +//CHECK: <key>end</key> +//CHECK: <array> +//CHECK: <dict> +//CHECK: <key>line</key><integer>12</integer> +//CHECK: <key>col</key><integer>3</integer> +//CHECK: <key>file</key><integer>0</integer> +//CHECK: </dict> +//CHECK: <dict> +//CHECK: <key>line</key><integer>12</integer> +//CHECK: <key>col</key><integer>4</integer> +//CHECK: <key>file</key><integer>0</integer> +//CHECK: </dict> +//CHECK: </array> +//CHECK: </dict> +//CHECK: </array> +//CHECK: </dict> +//CHECK: <dict> +//CHECK: <key>kind</key><string>control</string> +//CHECK: <key>edges</key> +//CHECK: <array> +//CHECK: <dict> +//CHECK: <key>start</key> +//CHECK: <array> +//CHECK: <dict> +//CHECK: <key>line</key><integer>12</integer> +//CHECK: <key>col</key><integer>3</integer> +//CHECK: <key>file</key><integer>0</integer> +//CHECK: </dict> +//CHECK: <dict> +//CHECK: <key>line</key><integer>12</integer> +//CHECK: <key>col</key><integer>4</integer> +//CHECK: <key>file</key><integer>0</integer> +//CHECK: </dict> +//CHECK: </array> +//CHECK: <key>end</key> +//CHECK: <array> +//CHECK: <dict> +//CHECK: <key>line</key><integer>12</integer> +//CHECK: <key>col</key><integer>7</integer> +//CHECK: <key>file</key><integer>0</integer> +//CHECK: </dict> +//CHECK: <dict> +//CHECK: <key>line</key><integer>12</integer> +//CHECK: <key>col</key><integer>7</integer> +//CHECK: <key>file</key><integer>0</integer> +//CHECK: </dict> +//CHECK: </array> +//CHECK: </dict> +//CHECK: </array> +//CHECK: </dict> +//CHECK: <dict> +//CHECK: <key>kind</key><string>event</string> +//CHECK: <key>location</key> +//CHECK: <dict> +//CHECK: <key>line</key><integer>12</integer> +//CHECK: <key>col</key><integer>7</integer> +//CHECK: <key>file</key><integer>0</integer> +//CHECK: </dict> +//CHECK: <key>ranges</key> +//CHECK: <array> +//CHECK: <array> +//CHECK: <dict> +//CHECK: <key>line</key><integer>12</integer> +//CHECK: <key>col</key><integer>7</integer> +//CHECK: <key>file</key><integer>0</integer> +//CHECK: </dict> +//CHECK: <dict> +//CHECK: <key>line</key><integer>12</integer> +//CHECK: <key>col</key><integer>10</integer> +//CHECK: <key>file</key><integer>0</integer> +//CHECK: </dict> +//CHECK: </array> +//CHECK: </array> +//CHECK: <key>depth</key><integer>1</integer> +//CHECK: <key>extended_message</key> +//CHECK: <string>Assuming pointer value is null</string> +//CHECK: <key>message</key> +//CHECK: <string>Assuming pointer value is null</string> +//CHECK: </dict> +//CHECK: <dict> +//CHECK: <key>kind</key><string>event</string> +//CHECK: <key>location</key> +//CHECK: <dict> +//CHECK: <key>line</key><integer>22</integer> +//CHECK: <key>col</key><integer>3</integer> +//CHECK: <key>file</key><integer>0</integer> +//CHECK: </dict> +//CHECK: <key>ranges</key> +//CHECK: <array> +//CHECK: <array> +//CHECK: <dict> +//CHECK: <key>line</key><integer>22</integer> +//CHECK: <key>col</key><integer>3</integer> +//CHECK: <key>file</key><integer>0</integer> +//CHECK: </dict> +//CHECK: <dict> +//CHECK: <key>line</key><integer>22</integer> +//CHECK: <key>col</key><integer>18</integer> +//CHECK: <key>file</key><integer>0</integer> +//CHECK: </dict> +//CHECK: </array> +//CHECK: </array> +//CHECK: <key>depth</key><integer>1</integer> +//CHECK: <key>extended_message</key> +//CHECK: <string>Returning from 'inlined'</string> +//CHECK: <key>message</key> +//CHECK: <string>Returning from 'inlined'</string> +//CHECK: </dict> +//CHECK: <dict> +//CHECK: <key>kind</key><string>control</string> +//CHECK: <key>edges</key> +//CHECK: <array> +//CHECK: <dict> +//CHECK: <key>start</key> +//CHECK: <array> +//CHECK: <dict> +//CHECK: <key>line</key><integer>22</integer> +//CHECK: <key>col</key><integer>3</integer> +//CHECK: <key>file</key><integer>0</integer> +//CHECK: </dict> +//CHECK: <dict> +//CHECK: <key>line</key><integer>22</integer> +//CHECK: <key>col</key><integer>9</integer> +//CHECK: <key>file</key><integer>0</integer> +//CHECK: </dict> +//CHECK: </array> +//CHECK: <key>end</key> +//CHECK: <array> +//CHECK: <dict> +//CHECK: <key>line</key><integer>25</integer> +//CHECK: <key>col</key><integer>3</integer> +//CHECK: <key>file</key><integer>0</integer> +//CHECK: </dict> +//CHECK: <dict> +//CHECK: <key>line</key><integer>25</integer> +//CHECK: <key>col</key><integer>3</integer> +//CHECK: <key>file</key><integer>0</integer> +//CHECK: </dict> +//CHECK: </array> +//CHECK: </dict> +//CHECK: </array> +//CHECK: </dict> +//CHECK: <dict> +//CHECK: <key>kind</key><string>control</string> +//CHECK: <key>edges</key> +//CHECK: <array> +//CHECK: <dict> +//CHECK: <key>start</key> +//CHECK: <array> +//CHECK: <dict> +//CHECK: <key>line</key><integer>25</integer> +//CHECK: <key>col</key><integer>3</integer> +//CHECK: <key>file</key><integer>0</integer> +//CHECK: </dict> +//CHECK: <dict> +//CHECK: <key>line</key><integer>25</integer> +//CHECK: <key>col</key><integer>3</integer> +//CHECK: <key>file</key><integer>0</integer> +//CHECK: </dict> +//CHECK: </array> +//CHECK: <key>end</key> +//CHECK: <array> +//CHECK: <dict> +//CHECK: <key>line</key><integer>25</integer> +//CHECK: <key>col</key><integer>8</integer> +//CHECK: <key>file</key><integer>0</integer> +//CHECK: </dict> +//CHECK: <dict> +//CHECK: <key>line</key><integer>25</integer> +//CHECK: <key>col</key><integer>8</integer> +//CHECK: <key>file</key><integer>0</integer> +//CHECK: </dict> +//CHECK: </array> +//CHECK: </dict> +//CHECK: </array> +//CHECK: </dict> +//CHECK: <dict> +//CHECK: <key>kind</key><string>event</string> +//CHECK: <key>location</key> +//CHECK: <dict> +//CHECK: <key>line</key><integer>25</integer> +//CHECK: <key>col</key><integer>8</integer> +//CHECK: <key>file</key><integer>0</integer> +//CHECK: </dict> +//CHECK: <key>ranges</key> +//CHECK: <array> +//CHECK: <array> +//CHECK: <dict> +//CHECK: <key>line</key><integer>25</integer> +//CHECK: <key>col</key><integer>13</integer> +//CHECK: <key>file</key><integer>0</integer> +//CHECK: </dict> +//CHECK: <dict> +//CHECK: <key>line</key><integer>25</integer> +//CHECK: <key>col</key><integer>13</integer> +//CHECK: <key>file</key><integer>0</integer> +//CHECK: </dict> +//CHECK: </array> +//CHECK: </array> +//CHECK: <key>depth</key><integer>0</integer> +//CHECK: <key>extended_message</key> +//CHECK: <string>Dereference of null pointer (loaded from field 'x')</string> +//CHECK: <key>message</key> +//CHECK: <string>Dereference of null pointer (loaded from field 'x')</string> +//CHECK: </dict> +//CHECK: </array> +//CHECK: <key>description</key><string>Dereference of null pointer (loaded from field 'x')</string> +//CHECK: <key>category</key><string>Logic error</string> +//CHECK: <key>type</key><string>Dereference of null pointer</string> +//CHECK: <key>issue_context_kind</key><string>function</string> +//CHECK: <key>issue_context</key><string>test</string> +//CHECK: <key>issue_hash</key><integer>6</integer> +//CHECK: <key>location</key> +//CHECK: <dict> +//CHECK: <key>line</key><integer>25</integer> +//CHECK: <key>col</key><integer>8</integer> +//CHECK: <key>file</key><integer>0</integer> +//CHECK: </dict> +//CHECK: </dict> +//CHECK: </array> +//CHECK: </dict> +//CHECK: </plist> |