[clang] [NFC][analyzer] OOB test consolidation III: 'outofbound' tests (PR #128508)

DonĂ¡t Nagy via cfe-commits cfe-commits at lists.llvm.org
Mon Feb 24 05:52:40 PST 2025


================
@@ -1,130 +0,0 @@
-// RUN: %clang_analyze_cc1 -Wno-array-bounds -verify %s \
-// RUN:   -analyzer-checker=core \
-// RUN:   -analyzer-checker=unix \
-// RUN:   -analyzer-checker=security.ArrayBound \
-// RUN:   -analyzer-config unix.DynamicMemoryModeling:Optimistic=true
-
-typedef __typeof(sizeof(int)) size_t;
-void *malloc(size_t);
-void *calloc(size_t, size_t);
-
-char f1(void) {
-  char* s = "abcd";
-  char c = s[4]; // no-warning
-  return s[5] + c; // expected-warning{{Out of bound access to memory after}}
-}
-
-void f2(void) {
-  int *p = malloc(12);
-  p[3] = 4; // expected-warning{{Out of bound access to memory after}}
-}
-
-struct three_words {
-  int c[3];
-};
-
-struct seven_words {
-  int c[7];
-};
-
-void f3(void) {
-  struct three_words a, *p;
-  p = &a;
-  p[0] = a; // no-warning
-  p[1] = a; // expected-warning{{Out of bound access to memory after}}
-}
-
-void f4(void) {
-  struct seven_words c;
-  struct three_words a, *p = (struct three_words *)&c;
-  p[0] = a; // no-warning
-  p[1] = a; // no-warning
-  p[2] = a; // should warn
-  // FIXME: This is an overflow, but currently security.ArrayBound only checks
-  // that the _beginning_ of the accessed element is within bounds.
-}
----------------
NagyDonat wrote:

I'm migrating this testcase to `out-of-bounds.c` under the more descriptive name `partially_in_bounds`.

https://github.com/llvm/llvm-project/pull/128508


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