Summary: distinguish writes via method calls (e.g., add) from writes via assignment in the error messages
Reviewed By: sblackshear
Differential Revision: D4611748
fbshipit-source-id: 7594d3b
Summary: It seems that we need to store the summary to disk in `Summary.write_summary`. The previous code was just saving it to the in-memory cache of summaries.
Reviewed By: sblackshear
Differential Revision: D4611090
fbshipit-source-id: 9973679
Summary: The function `Checkers.ST.store_summary` was only used in one place. This revision moves the functionality to the only place where this function was used, except the part swallowing `Sys_error` which may have the bad side-effect of making issues like race-conditions silent.
Reviewed By: cristianoc
Differential Revision: D4608790
fbshipit-source-id: b84c8ce
Summary: This check is redundant and already happens in `Ondemand`.
Reviewed By: sblackshear
Differential Revision: D4605613
fbshipit-source-id: d249212
Summary:
Instead of translating all structs/c++ classes and putting them into type environment, translate ones that are used. It now follows similar mechanism to ondemand function translation. This change should significantly decrease disk space/memory usage to store type environments
+ small change to fix build
Reviewed By: dulmarod
Differential Revision: D4597723
fbshipit-source-id: c8b0365
Summary: Report at most one read/write race or unprotected write per access path per method
Reviewed By: sblackshear, jvillard
Differential Revision: D4590815
fbshipit-source-id: 3c3a9d9
Summary:
To address a common source of false positives observed in D4494901.
We don't do anything with `release` yet, but can model it as releasing ownership in the future if we want to enforce correct usage of `SynchronizedPool`'s.
Reviewed By: peterogithub
Differential Revision: D4593635
fbshipit-source-id: 621e937
Summary: Reports on reads that have one or more conflicting writes. When you report, say which other methods race with it.
Reviewed By: sblackshear
Differential Revision: D4538793
fbshipit-source-id: 47ce700
Summary:
It seems that what `Checkers.ST.store_summary` was called witin on-demand was actually redundant with what `Ondemand` is doing before storing the summaries.
This also makes the `Ondemand` module no longer depend on `Checkers` as the dependency is expected to be the other way around.
Reviewed By: sblackshear
Differential Revision: D4595006
fbshipit-source-id: d62187e
Summary: Thread-local variables can't be shared between threads, so it's safe to mutate them outside of synchronization
Reviewed By: jeremydubreil
Differential Revision: D4568316
fbshipit-source-id: 0634cad
Summary:
Enrich the domain of SIOF to contain, as well as the globals needed by a
procedure, the globals that the procedure initializes. Also add the possibility
to model some procedures as initializing some variables. Use that mechanism to
teach the checker about `std::ios_base::Init`.
Reviewed By: mbouaziz
Differential Revision: D4588284
fbshipit-source-id: d72fc87
Summary:
Reimplement whitelists as a match against a single regexp. This allows one to
precompile the whitelist regexp to make fast check against a whitelist of fuzzy
qualifiers, instead of checks linear in the number of items in the whitelist.
Reviewed By: akotulski
Differential Revision: D4588278
fbshipit-source-id: 3bac614
Summary:
This is useful to make sure `./build-infer.sh clang` and `./build-infer.sh
java` work correctly.
I had to move one unit test inside a new unit/clang/ directory used only if clang is enabled, and create a stub for it in unit/clang_stubs/ for when clang is disabled.
Renamed `OCAML_SOURCES` to the more consistent and descriptive `OCAML_CONFIG_SOURCES`.
Reviewed By: jeremydubreil
Differential Revision: D4571997
fbshipit-source-id: 9502114
Summary:
It's annoying that changing the Makefile or running `./configure` with
different options does not always retrigger compilation of some targets, eg
infer.
Reviewed By: akotulski
Differential Revision: D4571988
fbshipit-source-id: dda080f
Summary:
This gives a way for users to flag safe methods regarding SIOF, for instance if
the problematic paths in the method cannot happen before `main()` has started.
Reviewed By: akotulski
Differential Revision: D4578700
fbshipit-source-id: 6542dcf
Summary: Shorter is better. `--compilation-database` was taken, renaming it to `--buck-compilation-database`.
Reviewed By: dulmarod
Differential Revision: D4567028
fbshipit-source-id: 011cd6f
Summary:
Two options to do the same thing, one for Java and and one for clang, become
one option to do the same thing.
Reviewed By: akotulski
Differential Revision: D4578472
fbshipit-source-id: fb0f21b
Summary:
Before: `make clean` followed by running `infer -- make`. If infer fails, it is
rerun automatically (by the `silent_on_success` Makefile function) to show the
output to the user, but by then there is nothing to build and `make` does
nothing.
Now: run directly `infer -- make clean all`. If infer fails, the command is
rerun and rebuilds all the source files, so there is a higher chance that the
same error will be displayed to the user than the one that originally caused
the command to fail.
Reviewed By: dulmarod
Differential Revision: D4578477
fbshipit-source-id: 774f45c
Summary:
A good first step in order to run multiple checkers together is to prevent the analysis the analysis to side effect on the summaries of the method being analyzed from disk, or the shared specs summary. The idea is that `Ondemand` creates a summary for the procedure being analyzed and only saves the summary once all the checkers have been run. The summary for the caller (i.e. the procedure being analyzed) should never be looked up from disk during the analysis. In other words, the analysis should only ever lookup the summaries of the callees and the proposed solution to enforce this is to have `Ondemand.analyze_proc_name` be the only way to lookup the summary of a procedure.
Another objective is to make sure that the summaries are never saved to disk more than once.
Reviewed By: sblackshear
Differential Revision: D4549764
fbshipit-source-id: f0a6e21
Summary:
We waste a lot of space storing the types of field accesses and comparing them sets/maps with access paths.
Yet almost none of the code ever looks at these types (only a tiny piece of code in thread-safety).
If we know the base type, we have enough information to recover the type of the field.
Let's do that instead.
Reviewed By: jeremydubreil
Differential Revision: D4567996
fbshipit-source-id: e7fd2da
Summary:
This simplifies a bit the code to run the analysis on all the prcedures in the cluster. Before, the functions procedure_should_be_analyzed, which loads the attributes, and get_proc_desc were called twice for the analysis of every procedure.
The objective is to remove the calls to procedure_should_be_analyzed and hide it from the ondemand API since it is already called before the analysis of every procedure.
Reviewed By: sblackshear
Differential Revision: D4553397
fbshipit-source-id: 02cffaf
Summary: In C++ there are types that contain `<>` in their names (templates). When printing type to `html` those should be escaped
Reviewed By: jeremydubreil
Differential Revision: D4572506
fbshipit-source-id: a180537
Summary:
One gets very obscure errors when trying to run infer for clang when it was
compiled for Java, or vice-versa. This diff makes sure we crash early with the
appropriate error message. For instance:
```
$ ./build-infer java
$ infer -- clang -c hello.c
Uncaught exception:
(Failure
"Unsupported build mode: make/cc\
\nInfer was built with clang analyzers disabled.\
\nPlease rebuild infer with clang enabled.\
\n")
Raised at file "pervasives.ml", line 30, characters 22-33
Called from file "backend/infer.ml", line 398, characters 6-48
Called from file "backend/infer.ml", line 449, characters 20-38
$ infer --clang-compilation-db-files foo.json
Uncaught exception:
(Failure
"Unsupported build mode: clang compilation database\
\nInfer was built with clang analyzers disabled.\
\nPlease rebuild infer with clang enabled.\
\n")
Raised at file "pervasives.ml", line 30, characters 22-33
Called from file "backend/infer.ml", line 392, characters 8-65
Called from file "backend/infer.ml", line 449, characters 20-38
```
Reviewed By: sblackshear
Differential Revision: D4566641
fbshipit-source-id: d9a118f
Summary:
- inferbo introduced a dependency to extlib. When building Java analyzers, this
is implicitly pulled in by javalib, but it's missing when building only the
clang analyzers. Add `extlib` to the packages we build against.
- infer.ml and Javac.ml depend on Javalib, but it's easy to push down the code
that needs it to `jMain.ml` so that we can build without javalib for the
clang-only case.
- jMain.mli had 2 copies: one in java/ and one in java_stubs/. Make one a symlink to the other.
Reviewed By: jeremydubreil
Differential Revision: D4566581
fbshipit-source-id: 214a4eb
Summary:
Sevel auxiliary files made it to the output directory of the analysis of individual targets when analyzing Java projects build with Buck. However, these files are then taken into account= to compute the target rule key and then to decide whether to analyze the dependent targets. Since these auxiliary files were containing time sentive information, every cach miss on a given target would then invalitate the cache entries for all the dependent targets.
This diff cleans up the output directory to only keep the specs files, the `global.tenv` and the `report.json` files which are the only artifacts needed to analyze the dependent targets
This diff makes a minimal number of changes to see how it behaves in prod, but I intend to refoctor this more when continuing to add support for running Infer with genrules
Reviewed By: sblackshear
Differential Revision: D4562615
fbshipit-source-id: 4628420
Summary:
Hi!
It's quite common to have collections of delegates. The collection itself is usually named like "delegatesHash", "delegatesStorage" or simply "delegates". Obviously, there is common part in all these cases, but currently you're excluding property only if it contains "queue".
I've added a simple exclusion by common part. It solved false-positive warnings for me and I think for others it'll be quite helpful too.
Closes https://github.com/facebook/infer/pull/582
Reviewed By: ddino
Differential Revision: D4565221
Pulled By: dulmarod
fbshipit-source-id: c48242e
Summary:
Xcode's compilation databases follows a different convention than cmake's and
escape the `"file"` and `"dir"` fields of each unit to make them shell-ready.
We need to treat them differently when reading them.
This adds a new `--clang-compilation-db-files-escaped` option and makes the
code related to reading compilation databases deal correctly with both
conventions.
Reviewed By: akotulski
Differential Revision: D4559239
fbshipit-source-id: 51120ae
Summary: Some compilation databases give relatives paths for the `"file"` field. This is not ambiguous as there is also a `"dir"` field, so use that to make the path absolute when needed.
Reviewed By: dulmarod
Differential Revision: D4559145
fbshipit-source-id: be36a16
Summary: One step on the way to being able to test java/clang separately.
Reviewed By: akotulski
Differential Revision: D4558948
fbshipit-source-id: c0c7556
Summary:
This avoids spurious warnings on projects using gcc with optimization flags
that are ignored by clang.
Reviewed By: akotulski
Differential Revision: D4559326
fbshipit-source-id: 14a2431
Peter O'Hearn
Jeremy Dubreil
Sam Blackshear
Cristiano Calcagno
Dulma Churchill
Ryan Rhee
Andrzej Kotulski
Jules Villard
Nikita Anisimov