| // 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 %t.plist |
| // RUN: FileCheck --input-file=%t.plist %s |
| |
| struct S { |
| int *x; |
| int y; |
| }; |
| |
| int *foo(); |
| |
| void test(struct S syz, int *pp) { |
| int m = 0; |
| syz.x = foo(); // expected-note{{Value assigned to 'syz.x'}} |
| |
| struct S *ps = &syz; |
| if (ps->x) |
| //expected-note@-1{{Taking false branch}} |
| //expected-note@-2{{Assuming pointer value is null}} |
| |
| m++; |
| |
| 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: <key>diagnostics</key> |
| // CHECK-NEXT: <array> |
| // CHECK-NEXT: <dict> |
| // CHECK-NEXT: <key>path</key> |
| // CHECK-NEXT: <array> |
| // CHECK-NEXT: <dict> |
| // CHECK-NEXT: <key>kind</key><string>control</string> |
| // CHECK-NEXT: <key>edges</key> |
| // CHECK-NEXT: <array> |
| // CHECK-NEXT: <dict> |
| // CHECK-NEXT: <key>start</key> |
| // CHECK-NEXT: <array> |
| // CHECK-NEXT: <dict> |
| // CHECK-NEXT: <key>line</key><integer>13</integer> |
| // CHECK-NEXT: <key>col</key><integer>3</integer> |
| // CHECK-NEXT: <key>file</key><integer>0</integer> |
| // CHECK-NEXT: </dict> |
| // CHECK-NEXT: <dict> |
| // CHECK-NEXT: <key>line</key><integer>13</integer> |
| // CHECK-NEXT: <key>col</key><integer>5</integer> |
| // CHECK-NEXT: <key>file</key><integer>0</integer> |
| // CHECK-NEXT: </dict> |
| // CHECK-NEXT: </array> |
| // CHECK-NEXT: <key>end</key> |
| // CHECK-NEXT: <array> |
| // CHECK-NEXT: <dict> |
| // CHECK-NEXT: <key>line</key><integer>14</integer> |
| // CHECK-NEXT: <key>col</key><integer>3</integer> |
| // CHECK-NEXT: <key>file</key><integer>0</integer> |
| // CHECK-NEXT: </dict> |
| // CHECK-NEXT: <dict> |
| // CHECK-NEXT: <key>line</key><integer>14</integer> |
| // CHECK-NEXT: <key>col</key><integer>5</integer> |
| // CHECK-NEXT: <key>file</key><integer>0</integer> |
| // CHECK-NEXT: </dict> |
| // CHECK-NEXT: </array> |
| // CHECK-NEXT: </dict> |
| // CHECK-NEXT: </array> |
| // CHECK-NEXT: </dict> |
| // CHECK-NEXT: <dict> |
| // CHECK-NEXT: <key>kind</key><string>event</string> |
| // CHECK-NEXT: <key>location</key> |
| // CHECK-NEXT: <dict> |
| // CHECK-NEXT: <key>line</key><integer>14</integer> |
| // CHECK-NEXT: <key>col</key><integer>3</integer> |
| // CHECK-NEXT: <key>file</key><integer>0</integer> |
| // CHECK-NEXT: </dict> |
| // CHECK-NEXT: <key>ranges</key> |
| // CHECK-NEXT: <array> |
| // CHECK-NEXT: <array> |
| // CHECK-NEXT: <dict> |
| // CHECK-NEXT: <key>line</key><integer>14</integer> |
| // CHECK-NEXT: <key>col</key><integer>3</integer> |
| // CHECK-NEXT: <key>file</key><integer>0</integer> |
| // CHECK-NEXT: </dict> |
| // CHECK-NEXT: <dict> |
| // CHECK-NEXT: <key>line</key><integer>14</integer> |
| // CHECK-NEXT: <key>col</key><integer>15</integer> |
| // CHECK-NEXT: <key>file</key><integer>0</integer> |
| // CHECK-NEXT: </dict> |
| // CHECK-NEXT: </array> |
| // CHECK-NEXT: </array> |
| // CHECK-NEXT: <key>depth</key><integer>0</integer> |
| // CHECK-NEXT: <key>extended_message</key> |
| // CHECK-NEXT: <string>Value assigned to 'syz.x'</string> |
| // CHECK-NEXT: <key>message</key> |
| // CHECK-NEXT: <string>Value assigned to 'syz.x'</string> |
| // CHECK-NEXT: </dict> |
| // CHECK-NEXT: <dict> |
| // CHECK-NEXT: <key>kind</key><string>control</string> |
| // CHECK-NEXT: <key>edges</key> |
| // CHECK-NEXT: <array> |
| // CHECK-NEXT: <dict> |
| // CHECK-NEXT: <key>start</key> |
| // CHECK-NEXT: <array> |
| // CHECK-NEXT: <dict> |
| // CHECK-NEXT: <key>line</key><integer>14</integer> |
| // CHECK-NEXT: <key>col</key><integer>3</integer> |
| // CHECK-NEXT: <key>file</key><integer>0</integer> |
| // CHECK-NEXT: </dict> |
| // CHECK-NEXT: <dict> |
| // CHECK-NEXT: <key>line</key><integer>14</integer> |
| // CHECK-NEXT: <key>col</key><integer>5</integer> |
| // CHECK-NEXT: <key>file</key><integer>0</integer> |
| // CHECK-NEXT: </dict> |
| // CHECK-NEXT: </array> |
| // CHECK-NEXT: <key>end</key> |
| // CHECK-NEXT: <array> |
| // CHECK-NEXT: <dict> |
| // CHECK-NEXT: <key>line</key><integer>17</integer> |
| // CHECK-NEXT: <key>col</key><integer>3</integer> |
| // CHECK-NEXT: <key>file</key><integer>0</integer> |
| // CHECK-NEXT: </dict> |
| // CHECK-NEXT: <dict> |
| // CHECK-NEXT: <key>line</key><integer>17</integer> |
| // CHECK-NEXT: <key>col</key><integer>4</integer> |
| // CHECK-NEXT: <key>file</key><integer>0</integer> |
| // CHECK-NEXT: </dict> |
| // CHECK-NEXT: </array> |
| // CHECK-NEXT: </dict> |
| // CHECK-NEXT: </array> |
| // CHECK-NEXT: </dict> |
| // CHECK-NEXT: <dict> |
| // CHECK-NEXT: <key>kind</key><string>control</string> |
| // CHECK-NEXT: <key>edges</key> |
| // CHECK-NEXT: <array> |
| // CHECK-NEXT: <dict> |
| // CHECK-NEXT: <key>start</key> |
| // CHECK-NEXT: <array> |
| // CHECK-NEXT: <dict> |
| // CHECK-NEXT: <key>line</key><integer>17</integer> |
| // CHECK-NEXT: <key>col</key><integer>3</integer> |
| // CHECK-NEXT: <key>file</key><integer>0</integer> |
| // CHECK-NEXT: </dict> |
| // CHECK-NEXT: <dict> |
| // CHECK-NEXT: <key>line</key><integer>17</integer> |
| // CHECK-NEXT: <key>col</key><integer>4</integer> |
| // CHECK-NEXT: <key>file</key><integer>0</integer> |
| // CHECK-NEXT: </dict> |
| // CHECK-NEXT: </array> |
| // CHECK-NEXT: <key>end</key> |
| // CHECK-NEXT: <array> |
| // CHECK-NEXT: <dict> |
| // CHECK-NEXT: <key>line</key><integer>17</integer> |
| // CHECK-NEXT: <key>col</key><integer>7</integer> |
| // CHECK-NEXT: <key>file</key><integer>0</integer> |
| // CHECK-NEXT: </dict> |
| // CHECK-NEXT: <dict> |
| // CHECK-NEXT: <key>line</key><integer>17</integer> |
| // CHECK-NEXT: <key>col</key><integer>8</integer> |
| // CHECK-NEXT: <key>file</key><integer>0</integer> |
| // CHECK-NEXT: </dict> |
| // CHECK-NEXT: </array> |
| // CHECK-NEXT: </dict> |
| // CHECK-NEXT: </array> |
| // CHECK-NEXT: </dict> |
| // CHECK-NEXT: <dict> |
| // CHECK-NEXT: <key>kind</key><string>event</string> |
| // CHECK-NEXT: <key>location</key> |
| // CHECK-NEXT: <dict> |
| // CHECK-NEXT: <key>line</key><integer>17</integer> |
| // CHECK-NEXT: <key>col</key><integer>7</integer> |
| // CHECK-NEXT: <key>file</key><integer>0</integer> |
| // CHECK-NEXT: </dict> |
| // CHECK-NEXT: <key>ranges</key> |
| // CHECK-NEXT: <array> |
| // CHECK-NEXT: <array> |
| // CHECK-NEXT: <dict> |
| // CHECK-NEXT: <key>line</key><integer>17</integer> |
| // CHECK-NEXT: <key>col</key><integer>7</integer> |
| // CHECK-NEXT: <key>file</key><integer>0</integer> |
| // CHECK-NEXT: </dict> |
| // CHECK-NEXT: <dict> |
| // CHECK-NEXT: <key>line</key><integer>17</integer> |
| // CHECK-NEXT: <key>col</key><integer>11</integer> |
| // CHECK-NEXT: <key>file</key><integer>0</integer> |
| // CHECK-NEXT: </dict> |
| // CHECK-NEXT: </array> |
| // CHECK-NEXT: </array> |
| // CHECK-NEXT: <key>depth</key><integer>0</integer> |
| // CHECK-NEXT: <key>extended_message</key> |
| // CHECK-NEXT: <string>Assuming pointer value is null</string> |
| // CHECK-NEXT: <key>message</key> |
| // CHECK-NEXT: <string>Assuming pointer value is null</string> |
| // CHECK-NEXT: </dict> |
| // CHECK-NEXT: <dict> |
| // CHECK-NEXT: <key>kind</key><string>control</string> |
| // CHECK-NEXT: <key>edges</key> |
| // CHECK-NEXT: <array> |
| // CHECK-NEXT: <dict> |
| // CHECK-NEXT: <key>start</key> |
| // CHECK-NEXT: <array> |
| // CHECK-NEXT: <dict> |
| // CHECK-NEXT: <key>line</key><integer>17</integer> |
| // CHECK-NEXT: <key>col</key><integer>7</integer> |
| // CHECK-NEXT: <key>file</key><integer>0</integer> |
| // CHECK-NEXT: </dict> |
| // CHECK-NEXT: <dict> |
| // CHECK-NEXT: <key>line</key><integer>17</integer> |
| // CHECK-NEXT: <key>col</key><integer>8</integer> |
| // CHECK-NEXT: <key>file</key><integer>0</integer> |
| // CHECK-NEXT: </dict> |
| // CHECK-NEXT: </array> |
| // CHECK-NEXT: <key>end</key> |
| // CHECK-NEXT: <array> |
| // CHECK-NEXT: <dict> |
| // CHECK-NEXT: <key>line</key><integer>23</integer> |
| // CHECK-NEXT: <key>col</key><integer>3</integer> |
| // CHECK-NEXT: <key>file</key><integer>0</integer> |
| // CHECK-NEXT: </dict> |
| // CHECK-NEXT: <dict> |
| // CHECK-NEXT: <key>line</key><integer>23</integer> |
| // CHECK-NEXT: <key>col</key><integer>3</integer> |
| // CHECK-NEXT: <key>file</key><integer>0</integer> |
| // CHECK-NEXT: </dict> |
| // CHECK-NEXT: </array> |
| // CHECK-NEXT: </dict> |
| // CHECK-NEXT: </array> |
| // CHECK-NEXT: </dict> |
| // CHECK-NEXT: <dict> |
| // CHECK-NEXT: <key>kind</key><string>control</string> |
| // CHECK-NEXT: <key>edges</key> |
| // CHECK-NEXT: <array> |
| // CHECK-NEXT: <dict> |
| // CHECK-NEXT: <key>start</key> |
| // CHECK-NEXT: <array> |
| // CHECK-NEXT: <dict> |
| // CHECK-NEXT: <key>line</key><integer>23</integer> |
| // CHECK-NEXT: <key>col</key><integer>3</integer> |
| // CHECK-NEXT: <key>file</key><integer>0</integer> |
| // CHECK-NEXT: </dict> |
| // CHECK-NEXT: <dict> |
| // CHECK-NEXT: <key>line</key><integer>23</integer> |
| // CHECK-NEXT: <key>col</key><integer>3</integer> |
| // CHECK-NEXT: <key>file</key><integer>0</integer> |
| // CHECK-NEXT: </dict> |
| // CHECK-NEXT: </array> |
| // CHECK-NEXT: <key>end</key> |
| // CHECK-NEXT: <array> |
| // CHECK-NEXT: <dict> |
| // CHECK-NEXT: <key>line</key><integer>23</integer> |
| // CHECK-NEXT: <key>col</key><integer>8</integer> |
| // CHECK-NEXT: <key>file</key><integer>0</integer> |
| // CHECK-NEXT: </dict> |
| // CHECK-NEXT: <dict> |
| // CHECK-NEXT: <key>line</key><integer>23</integer> |
| // CHECK-NEXT: <key>col</key><integer>8</integer> |
| // CHECK-NEXT: <key>file</key><integer>0</integer> |
| // CHECK-NEXT: </dict> |
| // CHECK-NEXT: </array> |
| // CHECK-NEXT: </dict> |
| // CHECK-NEXT: </array> |
| // CHECK-NEXT: </dict> |
| // CHECK-NEXT: <dict> |
| // CHECK-NEXT: <key>kind</key><string>event</string> |
| // CHECK-NEXT: <key>location</key> |
| // CHECK-NEXT: <dict> |
| // CHECK-NEXT: <key>line</key><integer>23</integer> |
| // CHECK-NEXT: <key>col</key><integer>8</integer> |
| // CHECK-NEXT: <key>file</key><integer>0</integer> |
| // CHECK-NEXT: </dict> |
| // CHECK-NEXT: <key>ranges</key> |
| // CHECK-NEXT: <array> |
| // CHECK-NEXT: <array> |
| // CHECK-NEXT: <dict> |
| // CHECK-NEXT: <key>line</key><integer>23</integer> |
| // CHECK-NEXT: <key>col</key><integer>13</integer> |
| // CHECK-NEXT: <key>file</key><integer>0</integer> |
| // CHECK-NEXT: </dict> |
| // CHECK-NEXT: <dict> |
| // CHECK-NEXT: <key>line</key><integer>23</integer> |
| // CHECK-NEXT: <key>col</key><integer>13</integer> |
| // CHECK-NEXT: <key>file</key><integer>0</integer> |
| // CHECK-NEXT: </dict> |
| // CHECK-NEXT: </array> |
| // CHECK-NEXT: </array> |
| // CHECK-NEXT: <key>depth</key><integer>0</integer> |
| // CHECK-NEXT: <key>extended_message</key> |
| // CHECK-NEXT: <string>Dereference of null pointer (loaded from field 'x')</string> |
| // CHECK-NEXT: <key>message</key> |
| // CHECK-NEXT: <string>Dereference of null pointer (loaded from field 'x')</string> |
| // CHECK-NEXT: </dict> |
| // CHECK-NEXT: </array> |
| // CHECK-NEXT: <key>description</key><string>Dereference of null pointer (loaded from field 'x')</string> |
| // CHECK-NEXT: <key>category</key><string>Logic error</string> |
| // CHECK-NEXT: <key>type</key><string>Dereference of null pointer</string> |
| // CHECK-NEXT: <key>issue_context_kind</key><string>function</string> |
| // CHECK-NEXT: <key>issue_context</key><string>test</string> |
| // CHECK-NEXT: <key>issue_hash</key><string>11</string> |
| // CHECK-NEXT: <key>location</key> |
| // CHECK-NEXT: <dict> |
| // CHECK-NEXT: <key>line</key><integer>23</integer> |
| // CHECK-NEXT: <key>col</key><integer>8</integer> |
| // CHECK-NEXT: <key>file</key><integer>0</integer> |
| // CHECK-NEXT: </dict> |
| // CHECK-NEXT: </dict> |
| // CHECK-NEXT: </array> |
| // CHECK-NEXT: </dict> |
| // CHECK-NEXT: </plist> |