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Added more allocation primitives

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Reviewed By: mbouaziz

Differential Revision: D14385870

fbshipit-source-id: 7e3ef32bf
master
Dino Distefano 6 years ago committed by Facebook Github Bot
parent 5c2ef731ff
commit 52b72f4bbe
7 changed files with 112 additions and 5 deletions
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24
Makefile
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@ -57,6 +57,7 @@ DIRECT_TESTS += \
cpp_conflicts \
cpp_errors \
cpp_frontend \
cpp_linters \
cpp_linters-for-test-only \
cpp_liveness \
cpp_nullable \
@ -66,6 +67,7 @@ DIRECT_TESTS += \
cpp_siof \
cpp_starvation \
cpp_uninit \
ifneq ($(BUCK),no)
BUILD_SYSTEMS_TESTS += buck_blacklist buck-clang-db buck_flavors buck_flavors_run buck_flavors_deterministic
@ -82,10 +84,24 @@ endif
ifeq ($(HAS_OBJC),yes)
BUILD_SYSTEMS_TESTS += objc_getters_setters objc_missing_fld objc_retain_cycles objc_retain_cycles_weak
DIRECT_TESTS += \
objc_frontend objc_errors objc_linters objc_ioslints objcpp_errors objcpp_nullable objcpp_retain-cycles \
objc_linters-def-folder objc_nullable objc_liveness objcpp_liveness objc_uninit \
objcpp_frontend objcpp_linters cpp_linters objc_linters-for-test-only objcpp_linters-for-test-only \
objcpp_racerd
objc_errors \
objc_frontend \
objc_ioslints \
objc_linters \
objc_linters-def-folder \
objc_linters-for-test-only \
objc_liveness \
objc_nullable \
objc_performance objc_uninit \
objcpp_errors \
objcpp_frontend \
objcpp_linters \
objcpp_linters-for-test-only \
objcpp_liveness \
objcpp_nullable \
objcpp_racerd \
objcpp_retain-cycles \
ifneq ($(XCODE_SELECT),no)
BUILD_SYSTEMS_TESTS += xcodebuild_no_xcpretty
endif

8
infer/src/checkers/cost.ml
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@ -554,7 +554,13 @@ module InstrBasicCost = struct
For example for basic operation we set it to 1 and for function call we take it from the spec of the function.
*)
let allocation_functions = [BuiltinDecl.__new]
let allocation_functions =
[ BuiltinDecl.__new
; BuiltinDecl.__new_array
; BuiltinDecl.__objc_alloc_no_fail
; BuiltinDecl.malloc
; BuiltinDecl.malloc_no_fail ]
let is_allocation_function callee_pname =
List.exists allocation_functions ~f:(fun f -> Typ.Procname.equal callee_pname f)

16
infer/tests/codetoanalyze/java/performance/A.java
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@ -18,4 +18,20 @@ class B {
void ok() {
A a1 = new A();
}
class BArray {
void error() {
A[] ar1 = new A[5];
A[] ar2 = new A[6];
A[] ar3 = new A[7];
A[] ar4 = new A[5];
A[] ar5 = new A[4];
}
void ok() {
A[] ar1 = new A[5];
A[] ar2 = new A[5];
}
}
}

13
infer/tests/codetoanalyze/java/performance/issues.exp
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@ -1,3 +1,4 @@
codetoanalyze/java/performance/A.java, B$BArray.error():void, 4, EXPENSIVE_EXECUTION_TIME_CALL, no_bucket, ERROR, [with estimated cost 4, degree = 0]
codetoanalyze/java/performance/A.java, B.error():void, 4, EXPENSIVE_EXECUTION_TIME_CALL, no_bucket, ERROR, [with estimated cost 4, degree = 0]
codetoanalyze/java/performance/Array.java, codetoanalyze.java.performance.Array.array_access_overrun_bad():void, 4, BUFFER_OVERRUN_L2, no_bucket, ERROR, [<Offset trace>,Assignment,<Length trace>,Array declaration,Assignment,Array access: Offset: [2, 8] Size: 8]
codetoanalyze/java/performance/Array.java, codetoanalyze.java.performance.Array.array_access_weird_ok(long[],int):void, 1, EXPENSIVE_EXECUTION_TIME_CALL, no_bucket, ERROR, [with estimated cost 2 + 13 ⋅ length, degree = 1,{length},Loop at line 28]
@ -90,16 +91,28 @@ codetoanalyze/java/performance/Invariant.java, Invariant.local_not_invariant_FP(
codetoanalyze/java/performance/Invariant.java, Invariant.x_is_invariant_ok(int):void, 7, EXPENSIVE_EXECUTION_TIME_CALL, no_bucket, ERROR, [with estimated cost 8 + 6 ⋅ (size + 20), degree = 1,{size + 20},Loop at line 19]
codetoanalyze/java/performance/IteratorTest.java, IteratorTest.appendTo(java.util.Iterator):void, 1, EXPENSIVE_EXECUTION_TIME_CALL, no_bucket, ERROR, [with estimated cost 1 + 10 ⋅ (parts.length - 1) + 3 ⋅ parts.length, degree = 1,{parts.length},Loop at line 12,{parts.length - 1},Loop at line 12]
codetoanalyze/java/performance/JsonArray.java, libraries.marauder.analytics.utils.json.JsonArray.addStringEntry(java.lang.String):void, 4, EXPENSIVE_EXECUTION_TIME_CALL, no_bucket, ERROR, [with estimated cost 45 + 65 ⋅ String.toCharArray().length.ub, degree = 1,{String.toCharArray().length.ub},call to void JsonUtils.serialize(StringBuilder,String),call to void JsonUtils.escape(StringBuilder,String),Loop at line 13]
codetoanalyze/java/performance/JsonArray.java, libraries.marauder.analytics.utils.json.JsonArray.addStringEntry(java.lang.String):void, 4, EXPENSIVE_EXECUTION_TIME_CALL, no_bucket, ERROR, [with estimated cost String.toCharArray().length.ub, degree = 1,{String.toCharArray().length.ub},call to void JsonUtils.serialize(StringBuilder,String),call to void JsonUtils.escape(StringBuilder,String),Loop at line 13]
codetoanalyze/java/performance/JsonMap.java, libraries.marauder.analytics.utils.json.JsonMap.addEntry(java.lang.String,boolean):void, 1, EXPENSIVE_EXECUTION_TIME_CALL, no_bucket, ERROR, [with estimated cost 52 + 65 ⋅ String.toCharArray().length.ub, degree = 1,{String.toCharArray().length.ub},call to void JsonMap.addKeyToMap(String),call to void JsonUtils.serialize(StringBuilder,String),call to void JsonUtils.escape(StringBuilder,String),Loop at line 13]
codetoanalyze/java/performance/JsonMap.java, libraries.marauder.analytics.utils.json.JsonMap.addEntry(java.lang.String,boolean):void, 1, EXPENSIVE_EXECUTION_TIME_CALL, no_bucket, ERROR, [with estimated cost String.toCharArray().length.ub, degree = 1,{String.toCharArray().length.ub},call to void JsonMap.addKeyToMap(String),call to void JsonUtils.serialize(StringBuilder,String),call to void JsonUtils.escape(StringBuilder,String),Loop at line 13]
codetoanalyze/java/performance/JsonMap.java, libraries.marauder.analytics.utils.json.JsonMap.addEntry(java.lang.String,double):void, 1, EXPENSIVE_EXECUTION_TIME_CALL, no_bucket, ERROR, [with estimated cost 52 + 65 ⋅ String.toCharArray().length.ub, degree = 1,{String.toCharArray().length.ub},call to void JsonMap.addKeyToMap(String),call to void JsonUtils.serialize(StringBuilder,String),call to void JsonUtils.escape(StringBuilder,String),Loop at line 13]
codetoanalyze/java/performance/JsonMap.java, libraries.marauder.analytics.utils.json.JsonMap.addEntry(java.lang.String,double):void, 1, EXPENSIVE_EXECUTION_TIME_CALL, no_bucket, ERROR, [with estimated cost String.toCharArray().length.ub, degree = 1,{String.toCharArray().length.ub},call to void JsonMap.addKeyToMap(String),call to void JsonUtils.serialize(StringBuilder,String),call to void JsonUtils.escape(StringBuilder,String),Loop at line 13]
codetoanalyze/java/performance/JsonMap.java, libraries.marauder.analytics.utils.json.JsonMap.addEntry(java.lang.String,java.lang.Object):void, 1, EXPENSIVE_EXECUTION_TIME_CALL, no_bucket, ERROR, [with estimated cost 52 + 65 ⋅ String.toCharArray().length.ub, degree = 1,{String.toCharArray().length.ub},call to void JsonMap.addKeyToMap(String),call to void JsonUtils.serialize(StringBuilder,String),call to void JsonUtils.escape(StringBuilder,String),Loop at line 13]
codetoanalyze/java/performance/JsonMap.java, libraries.marauder.analytics.utils.json.JsonMap.addEntry(java.lang.String,java.lang.Object):void, 1, EXPENSIVE_EXECUTION_TIME_CALL, no_bucket, ERROR, [with estimated cost String.toCharArray().length.ub, degree = 1,{String.toCharArray().length.ub},call to void JsonMap.addKeyToMap(String),call to void JsonUtils.serialize(StringBuilder,String),call to void JsonUtils.escape(StringBuilder,String),Loop at line 13]
codetoanalyze/java/performance/JsonMap.java, libraries.marauder.analytics.utils.json.JsonMap.addEntry(java.lang.String,java.lang.String):void, 1, EXPENSIVE_EXECUTION_TIME_CALL, no_bucket, ERROR, [with estimated cost 52 + 65 ⋅ String.toCharArray().length.ub, degree = 1,{String.toCharArray().length.ub},call to void JsonMap.addKeyToMap(String),call to void JsonUtils.serialize(StringBuilder,String),call to void JsonUtils.escape(StringBuilder,String),Loop at line 13]
codetoanalyze/java/performance/JsonMap.java, libraries.marauder.analytics.utils.json.JsonMap.addEntry(java.lang.String,java.lang.String):void, 1, EXPENSIVE_EXECUTION_TIME_CALL, no_bucket, ERROR, [with estimated cost String.toCharArray().length.ub, degree = 1,{String.toCharArray().length.ub},call to void JsonMap.addKeyToMap(String),call to void JsonUtils.serialize(StringBuilder,String),call to void JsonUtils.escape(StringBuilder,String),Loop at line 13]
codetoanalyze/java/performance/JsonMap.java, libraries.marauder.analytics.utils.json.JsonMap.addEntry(java.lang.String,libraries.marauder.analytics.utils.json.JsonType):void, 5, EXPENSIVE_EXECUTION_TIME_CALL, no_bucket, ERROR, [with estimated cost String.toCharArray().length.ub, degree = 1,{String.toCharArray().length.ub},call to void JsonMap.addKeyToMap(String),call to void JsonUtils.serialize(StringBuilder,String),call to void JsonUtils.escape(StringBuilder,String),Loop at line 13]
codetoanalyze/java/performance/JsonMap.java, libraries.marauder.analytics.utils.json.JsonMap.addEntry(java.lang.String,libraries.marauder.analytics.utils.json.JsonType):void, 5, EXPENSIVE_EXECUTION_TIME_CALL, no_bucket, ERROR, [with estimated cost 79 + 65 ⋅ String.toCharArray().length.ub, degree = 1,{String.toCharArray().length.ub},call to void JsonMap.addKeyToMap(String),call to void JsonUtils.serialize(StringBuilder,String),call to void JsonUtils.escape(StringBuilder,String),Loop at line 13]
codetoanalyze/java/performance/JsonMap.java, libraries.marauder.analytics.utils.json.JsonMap.addEntry(java.lang.String,long):void, 1, EXPENSIVE_EXECUTION_TIME_CALL, no_bucket, ERROR, [with estimated cost 52 + 65 ⋅ String.toCharArray().length.ub, degree = 1,{String.toCharArray().length.ub},call to void JsonMap.addKeyToMap(String),call to void JsonUtils.serialize(StringBuilder,String),call to void JsonUtils.escape(StringBuilder,String),Loop at line 13]
codetoanalyze/java/performance/JsonMap.java, libraries.marauder.analytics.utils.json.JsonMap.addEntry(java.lang.String,long):void, 1, EXPENSIVE_EXECUTION_TIME_CALL, no_bucket, ERROR, [with estimated cost String.toCharArray().length.ub, degree = 1,{String.toCharArray().length.ub},call to void JsonMap.addKeyToMap(String),call to void JsonUtils.serialize(StringBuilder,String),call to void JsonUtils.escape(StringBuilder,String),Loop at line 13]
codetoanalyze/java/performance/JsonMap.java, libraries.marauder.analytics.utils.json.JsonMap.addKeyToMap(java.lang.String):void, 5, EXPENSIVE_EXECUTION_TIME_CALL, no_bucket, ERROR, [with estimated cost 45 + 65 ⋅ String.toCharArray().length.ub, degree = 1,{String.toCharArray().length.ub},call to void JsonUtils.serialize(StringBuilder,String),call to void JsonUtils.escape(StringBuilder,String),Loop at line 13]
codetoanalyze/java/performance/JsonMap.java, libraries.marauder.analytics.utils.json.JsonMap.addKeyToMap(java.lang.String):void, 5, EXPENSIVE_EXECUTION_TIME_CALL, no_bucket, ERROR, [with estimated cost String.toCharArray().length.ub, degree = 1,{String.toCharArray().length.ub},call to void JsonUtils.serialize(StringBuilder,String),call to void JsonUtils.escape(StringBuilder,String),Loop at line 13]
codetoanalyze/java/performance/JsonString.java, libraries.marauder.analytics.utils.json.JsonString.<init>(java.lang.String), 1, EXPENSIVE_EXECUTION_TIME_CALL, no_bucket, ERROR, [with estimated cost 1 + String.toCharArray().length.ub, degree = 1,{String.toCharArray().length.ub},call to StringBuilder JsonUtils.serialize(String),call to void JsonUtils.serialize(StringBuilder,String),call to void JsonUtils.escape(StringBuilder,String),Loop at line 13]
codetoanalyze/java/performance/JsonString.java, libraries.marauder.analytics.utils.json.JsonString.<init>(java.lang.String), 1, EXPENSIVE_EXECUTION_TIME_CALL, no_bucket, ERROR, [with estimated cost 39 + 65 ⋅ String.toCharArray().length.ub, degree = 1,{String.toCharArray().length.ub},call to StringBuilder JsonUtils.serialize(String),call to void JsonUtils.serialize(StringBuilder,String),call to void JsonUtils.escape(StringBuilder,String),Loop at line 13]
codetoanalyze/java/performance/JsonUtils.java, libraries.marauder.analytics.utils.json.JsonUtils.escape(java.lang.StringBuilder,java.lang.String):void, 1, EXPENSIVE_EXECUTION_TIME_CALL, no_bucket, ERROR, [with estimated cost String.toCharArray().length.ub, degree = 1,{String.toCharArray().length.ub},Loop at line 13]
codetoanalyze/java/performance/JsonUtils.java, libraries.marauder.analytics.utils.json.JsonUtils.escape(java.lang.StringBuilder,java.lang.String):void, 1, EXPENSIVE_EXECUTION_TIME_CALL, no_bucket, ERROR, [with estimated cost 8 + 65 ⋅ String.toCharArray().length.ub, degree = 1,{String.toCharArray().length.ub},Loop at line 13]
codetoanalyze/java/performance/JsonUtils.java, libraries.marauder.analytics.utils.json.JsonUtils.serialize(java.lang.String):java.lang.StringBuilder, 2, EXPENSIVE_EXECUTION_TIME_CALL, no_bucket, ERROR, [with estimated cost 33 + 65 ⋅ String.toCharArray().length.ub, degree = 1,{String.toCharArray().length.ub},call to void JsonUtils.serialize(StringBuilder,String),call to void JsonUtils.escape(StringBuilder,String),Loop at line 13]
codetoanalyze/java/performance/JsonUtils.java, libraries.marauder.analytics.utils.json.JsonUtils.serialize(java.lang.String):java.lang.StringBuilder, 2, EXPENSIVE_EXECUTION_TIME_CALL, no_bucket, ERROR, [with estimated cost 1 + String.toCharArray().length.ub, degree = 1,{String.toCharArray().length.ub},call to void JsonUtils.serialize(StringBuilder,String),call to void JsonUtils.escape(StringBuilder,String),Loop at line 13]
codetoanalyze/java/performance/JsonUtils.java, libraries.marauder.analytics.utils.json.JsonUtils.serialize(java.lang.StringBuilder,java.lang.String):void, 5, EXPENSIVE_EXECUTION_TIME_CALL, no_bucket, ERROR, [with estimated cost String.toCharArray().length.ub, degree = 1,{String.toCharArray().length.ub},call to void JsonUtils.escape(StringBuilder,String),Loop at line 13]
codetoanalyze/java/performance/JsonUtils.java, libraries.marauder.analytics.utils.json.JsonUtils.serialize(java.lang.StringBuilder,java.lang.String):void, 5, EXPENSIVE_EXECUTION_TIME_CALL, no_bucket, ERROR, [with estimated cost 24 + 65 ⋅ String.toCharArray().length.ub, degree = 1,{String.toCharArray().length.ub},call to void JsonUtils.escape(StringBuilder,String),Loop at line 13]
codetoanalyze/java/performance/Loops.java, codetoanalyze.java.performance.Loops.do_while_independent_of_p(int):int, 3, EXPENSIVE_EXECUTION_TIME_CALL, no_bucket, ERROR, [with estimated cost 250, degree = 0]
codetoanalyze/java/performance/Loops.java, codetoanalyze.java.performance.Loops.dumb0(long[],int):void, 1, EXPENSIVE_EXECUTION_TIME_CALL, no_bucket, ERROR, [with estimated cost 2 + 25 ⋅ (length - 1), degree = 1,{length - 1},Loop at line 40]

18
infer/tests/codetoanalyze/objc/performance/Makefile
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@ -0,0 +1,18 @@
# Copyright (c) 2018-present, Facebook, Inc.
#
# This source code is licensed under the MIT license found in the
# LICENSE file in the root directory of this source tree.
TESTS_DIR = ../../..
# see explanations in cpp/errors/Makefile for the custom isystem
CLANG_OPTIONS = -c
INFER_OPTIONS = --cost-only --bufferoverrun --debug-exceptions --project-root $(TESTS_DIR) \
--use-cost-threshold
INFERPRINT_OPTIONS = --issues-tests
SOURCES = $(wildcard *.m)
include $(TESTS_DIR)/clang.make
infer-out/report.json: $(MAKEFILE_LIST)

36
infer/tests/codetoanalyze/objc/performance/araii.m
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@ -0,0 +1,36 @@
/*
* Copyright (c) 2019-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#include <Foundation/NSObject.h>
#include <stdlib.h>
@interface Araii : NSObject
@property char* buffer;
@end
@implementation Araii
- (instancetype)initWithBuffer {
_buffer = malloc(sizeof(char));
_buffer = malloc(sizeof(char));
_buffer = malloc(sizeof(char));
_buffer = malloc(sizeof(char));
return self;
}
- (void)dealloc {
free(_buffer);
}
@end
int memory_leak_raii_main() {
[[Araii alloc] initWithBuffer];
return 0;
}

2
infer/tests/codetoanalyze/objc/performance/issues.exp
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@ -0,0 +1,2 @@
codetoanalyze/objc/performance/araii.m, Araii_initWithBuffer, 4, EXPENSIVE_EXECUTION_TIME_CALL, no_bucket, ERROR, [with estimated cost 4, degree = 0]
codetoanalyze/objc/performance/araii.m, memory_leak_raii_main, 1, EXPENSIVE_EXECUTION_TIME_CALL, no_bucket, ERROR, [with estimated cost 5, degree = 0]
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