diff options
-rw-r--r-- | lib/StaticAnalyzer/Core/BugReporterVisitors.cpp | 22 | ||||
-rw-r--r-- | lib/StaticAnalyzer/Core/PathDiagnostic.cpp | 5 | ||||
-rw-r--r-- | test/Analysis/malloc-plist.c | 422 |
3 files changed, 427 insertions, 22 deletions
diff --git a/lib/StaticAnalyzer/Core/BugReporterVisitors.cpp b/lib/StaticAnalyzer/Core/BugReporterVisitors.cpp index ad3ac97a29..4b290626c0 100644 --- a/lib/StaticAnalyzer/Core/BugReporterVisitors.cpp +++ b/lib/StaticAnalyzer/Core/BugReporterVisitors.cpp @@ -85,26 +85,8 @@ PathDiagnosticPiece* BugReporterVisitor::getDefaultEndPath(BugReporterContext &BRC, const ExplodedNode *EndPathNode, BugReport &BR) { - const ProgramPoint &PP = EndPathNode->getLocation(); - PathDiagnosticLocation L; - - if (const BlockEntrance *BE = dyn_cast<BlockEntrance>(&PP)) { - const CFGBlock *block = BE->getBlock(); - if (block->getBlockID() == 0) { - L = PathDiagnosticLocation::createDeclEnd(PP.getLocationContext(), - BRC.getSourceManager()); - } - } - - if (!L.isValid()) { - const Stmt *S = BR.getStmt(); - - if (!S) - return NULL; - - L = PathDiagnosticLocation(S, BRC.getSourceManager(), - PP.getLocationContext()); - } + PathDiagnosticLocation L = + PathDiagnosticLocation::createEndOfPath(EndPathNode,BRC.getSourceManager()); BugReport::ranges_iterator Beg, End; llvm::tie(Beg, End) = BR.getRanges(); diff --git a/lib/StaticAnalyzer/Core/PathDiagnostic.cpp b/lib/StaticAnalyzer/Core/PathDiagnostic.cpp index 5ded6bcd56..bc03a2bc30 100644 --- a/lib/StaticAnalyzer/Core/PathDiagnostic.cpp +++ b/lib/StaticAnalyzer/Core/PathDiagnostic.cpp @@ -305,8 +305,9 @@ PathDiagnosticLocation return PathDiagnosticLocation(PS->getStmt(), SM, LC); else if (const BlockEdge *BE = dyn_cast<BlockEdge>(&P)) { const Stmt *Term = BE->getSrc()->getTerminator(); - assert(Term); - return PathDiagnosticLocation(Term, SM, LC); + if (Term) { + return PathDiagnosticLocation(Term, SM, LC); + } } NI = NI->succ_empty() ? 0 : *(NI->succ_begin()); } diff --git a/test/Analysis/malloc-plist.c b/test/Analysis/malloc-plist.c new file mode 100644 index 0000000000..8727bc26c6 --- /dev/null +++ b/test/Analysis/malloc-plist.c @@ -0,0 +1,422 @@ +// RUN: %clang_cc1 -analyze -analyzer-checker=experimental.unix.Malloc -analyzer-output=plist -o - %s | FileCheck %s + +typedef __typeof(sizeof(int)) size_t; +void *malloc(size_t); + +void diagnosticTest(int in) { + if (in > 5) { + int *p = malloc(12); + (*p)++; + } + in++; // expected-warning {{leak}} +} + +void myArrayAllocation() { + int **A; + A = malloc(2*sizeof(int*)); + A[0] = 0;// expected-warning {{leak}} +} + +// CHECK: <?xml version="1.0" encoding="UTF-8"?> +// CHECK: <!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd"> +// CHECK: <plist version="1.0"> +// 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>7</integer> +// CHECK: <key>col</key><integer>5</integer> +// CHECK: <key>file</key><integer>0</integer> +// CHECK: </dict> +// CHECK: <dict> +// CHECK: <key>line</key><integer>7</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>7</integer> +// CHECK: <key>col</key><integer>9</integer> +// CHECK: <key>file</key><integer>0</integer> +// CHECK: </dict> +// CHECK: <dict> +// CHECK: <key>line</key><integer>7</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>7</integer> +// CHECK: <key>col</key><integer>9</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>7</integer> +// CHECK: <key>col</key><integer>9</integer> +// CHECK: <key>file</key><integer>0</integer> +// CHECK: </dict> +// CHECK: <dict> +// CHECK: <key>line</key><integer>7</integer> +// CHECK: <key>col</key><integer>14</integer> +// CHECK: <key>file</key><integer>0</integer> +// CHECK: </dict> +// CHECK: </array> +// CHECK: </array> +// CHECK: <key>extended_message</key> +// CHECK: <string>Assuming 'in' is > 5</string> +// CHECK: <key>message</key> +// CHECK: <string>Assuming 'in' is > 5</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>7</integer> +// CHECK: <key>col</key><integer>9</integer> +// CHECK: <key>file</key><integer>0</integer> +// CHECK: </dict> +// CHECK: <dict> +// CHECK: <key>line</key><integer>7</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>8</integer> +// CHECK: <key>col</key><integer>9</integer> +// CHECK: <key>file</key><integer>0</integer> +// CHECK: </dict> +// CHECK: <dict> +// CHECK: <key>line</key><integer>8</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>control</string> +// CHECK: <key>edges</key> +// CHECK: <array> +// CHECK: <dict> +// CHECK: <key>start</key> +// CHECK: <array> +// CHECK: <dict> +// CHECK: <key>line</key><integer>8</integer> +// CHECK: <key>col</key><integer>9</integer> +// CHECK: <key>file</key><integer>0</integer> +// CHECK: </dict> +// CHECK: <dict> +// CHECK: <key>line</key><integer>8</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>8</integer> +// CHECK: <key>col</key><integer>18</integer> +// CHECK: <key>file</key><integer>0</integer> +// CHECK: </dict> +// CHECK: <dict> +// CHECK: <key>line</key><integer>8</integer> +// CHECK: <key>col</key><integer>27</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>8</integer> +// CHECK: <key>col</key><integer>18</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>8</integer> +// CHECK: <key>col</key><integer>18</integer> +// CHECK: <key>file</key><integer>0</integer> +// CHECK: </dict> +// CHECK: <dict> +// CHECK: <key>line</key><integer>8</integer> +// CHECK: <key>col</key><integer>27</integer> +// CHECK: <key>file</key><integer>0</integer> +// CHECK: </dict> +// CHECK: </array> +// CHECK: </array> +// CHECK: <key>extended_message</key> +// CHECK: <string>Memory is allocated here</string> +// CHECK: <key>message</key> +// CHECK: <string>Memory is allocated here</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>8</integer> +// CHECK: <key>col</key><integer>18</integer> +// CHECK: <key>file</key><integer>0</integer> +// CHECK: </dict> +// CHECK: <dict> +// CHECK: <key>line</key><integer>8</integer> +// CHECK: <key>col</key><integer>27</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>11</integer> +// CHECK: <key>col</key><integer>5</integer> +// CHECK: <key>file</key><integer>0</integer> +// CHECK: </dict> +// CHECK: <dict> +// CHECK: <key>line</key><integer>11</integer> +// CHECK: <key>col</key><integer>6</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>11</integer> +// CHECK: <key>col</key><integer>5</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>11</integer> +// CHECK: <key>col</key><integer>5</integer> +// CHECK: <key>file</key><integer>0</integer> +// CHECK: </dict> +// CHECK: <dict> +// CHECK: <key>line</key><integer>11</integer> +// CHECK: <key>col</key><integer>6</integer> +// CHECK: <key>file</key><integer>0</integer> +// CHECK: </dict> +// CHECK: </array> +// CHECK: </array> +// CHECK: <key>extended_message</key> +// CHECK: <string>Allocated memory never released. Potential memory leak</string> +// CHECK: <key>message</key> +// CHECK: <string>Allocated memory never released. Potential memory leak</string> +// CHECK: </dict> +// CHECK: </array> +// CHECK: <key>description</key><string>Allocated memory never released. Potential memory leak</string> +// CHECK: <key>category</key><string>Logic error</string> +// CHECK: <key>type</key><string>Memory leak</string> +// CHECK: <key>location</key> +// CHECK: <dict> +// CHECK: <key>line</key><integer>11</integer> +// CHECK: <key>col</key><integer>5</integer> +// CHECK: <key>file</key><integer>0</integer> +// CHECK: </dict> +// CHECK: </dict> +// 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>15</integer> +// CHECK: <key>col</key><integer>5</integer> +// CHECK: <key>file</key><integer>0</integer> +// CHECK: </dict> +// CHECK: <dict> +// CHECK: <key>line</key><integer>15</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>16</integer> +// CHECK: <key>col</key><integer>5</integer> +// CHECK: <key>file</key><integer>0</integer> +// CHECK: </dict> +// CHECK: <dict> +// CHECK: <key>line</key><integer>16</integer> +// CHECK: <key>col</key><integer>5</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>16</integer> +// CHECK: <key>col</key><integer>5</integer> +// CHECK: <key>file</key><integer>0</integer> +// CHECK: </dict> +// CHECK: <dict> +// CHECK: <key>line</key><integer>16</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>16</integer> +// CHECK: <key>col</key><integer>9</integer> +// CHECK: <key>file</key><integer>0</integer> +// CHECK: </dict> +// CHECK: <dict> +// CHECK: <key>line</key><integer>16</integer> +// CHECK: <key>col</key><integer>30</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>16</integer> +// CHECK: <key>col</key><integer>9</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>16</integer> +// CHECK: <key>col</key><integer>9</integer> +// CHECK: <key>file</key><integer>0</integer> +// CHECK: </dict> +// CHECK: <dict> +// CHECK: <key>line</key><integer>16</integer> +// CHECK: <key>col</key><integer>30</integer> +// CHECK: <key>file</key><integer>0</integer> +// CHECK: </dict> +// CHECK: </array> +// CHECK: </array> +// CHECK: <key>extended_message</key> +// CHECK: <string>Memory is allocated here</string> +// CHECK: <key>message</key> +// CHECK: <string>Memory is allocated here</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>16</integer> +// CHECK: <key>col</key><integer>9</integer> +// CHECK: <key>file</key><integer>0</integer> +// CHECK: </dict> +// CHECK: <dict> +// CHECK: <key>line</key><integer>16</integer> +// CHECK: <key>col</key><integer>30</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>18</integer> +// CHECK: <key>col</key><integer>1</integer> +// CHECK: <key>file</key><integer>0</integer> +// CHECK: </dict> +// CHECK: <dict> +// CHECK: <key>line</key><integer>18</integer> +// CHECK: <key>col</key><integer>1</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>18</integer> +// CHECK: <key>col</key><integer>1</integer> +// CHECK: <key>file</key><integer>0</integer> +// CHECK: </dict> +// CHECK: <key>extended_message</key> +// CHECK: <string>Allocated memory never released. Potential memory leak</string> +// CHECK: <key>message</key> +// CHECK: <string>Allocated memory never released. Potential memory leak</string> +// CHECK: </dict> +// CHECK: </array> +// CHECK: <key>description</key><string>Allocated memory never released. Potential memory leak</string> +// CHECK: <key>category</key><string>Logic error</string> +// CHECK: <key>type</key><string>Memory leak</string> +// CHECK: <key>location</key> +// CHECK: <dict> +// CHECK: <key>line</key><integer>18</integer> +// CHECK: <key>col</key><integer>1</integer> +// CHECK: <key>file</key><integer>0</integer> +// CHECK: </dict> +// CHECK: </dict> +// CHECK: </array> +// CHECK: </dict> +// CHECK: </plist> |