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C++: Flow through read side effects

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Until we have better tracking of indirections, these flow rules conflate
pointers and their contents.
This commit is contained in:
Jonas Jensen
2020-01-22 13:20:12 +01:00
parent c24bceddcd
commit 6cdca29aa6
2 changed files with 21 additions and 2 deletions
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4
cpp/ql/test/library-tests/dataflow/DefaultTaintTracking/tainted.expected
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@@ -25,7 +25,11 @@
| defaulttainttracking.cpp:22:20:22:25 | call to getenv | defaulttainttracking.cpp:22:8:22:33 | (const char *)... |
| defaulttainttracking.cpp:22:20:22:25 | call to getenv | defaulttainttracking.cpp:22:20:22:25 | call to getenv |
| defaulttainttracking.cpp:22:20:22:25 | call to getenv | defaulttainttracking.cpp:22:20:22:32 | (const char *)... |
| defaulttainttracking.cpp:38:25:38:30 | call to getenv | defaulttainttracking.cpp:32:11:32:26 | p#0 |
| defaulttainttracking.cpp:38:25:38:30 | call to getenv | defaulttainttracking.cpp:38:11:38:21 | env_pointer |
| defaulttainttracking.cpp:38:25:38:30 | call to getenv | defaulttainttracking.cpp:38:25:38:30 | call to getenv |
| defaulttainttracking.cpp:38:25:38:30 | call to getenv | defaulttainttracking.cpp:38:25:38:37 | (void *)... |
| defaulttainttracking.cpp:38:25:38:30 | call to getenv | defaulttainttracking.cpp:39:22:39:22 | a |
| defaulttainttracking.cpp:38:25:38:30 | call to getenv | defaulttainttracking.cpp:39:26:39:34 | call to inet_addr |
| defaulttainttracking.cpp:38:25:38:30 | call to getenv | defaulttainttracking.cpp:39:50:39:61 | & ... |
| defaulttainttracking.cpp:38:25:38:30 | call to getenv | defaulttainttracking.cpp:40:10:40:10 | a |