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Diffstat (limited to 'test/Analysis/rdar-6541136.c')
-rw-r--r-- | test/Analysis/rdar-6541136.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/test/Analysis/rdar-6541136.c b/test/Analysis/rdar-6541136.c new file mode 100644 index 0000000..6e6a479 --- /dev/null +++ b/test/Analysis/rdar-6541136.c @@ -0,0 +1,20 @@ +// RUN: clang-cc -verify -analyze -checker-cfref -analyzer-store=basic %s + +struct tea_cheese { unsigned magic; }; +typedef struct tea_cheese kernel_tea_cheese_t; +extern kernel_tea_cheese_t _wonky_gesticulate_cheese; + +// This test case exercises the ElementRegion::getRValueType() logic. +// All it tests is that it does not crash or do anything weird. +// The out-of-bounds-access on line 19 is caught using the region store variant. + +void foo( void ) +{ + kernel_tea_cheese_t *wonky = &_wonky_gesticulate_cheese; + struct load_wine *cmd = (void*) &wonky[1]; + cmd = cmd; + char *p = (void*) &wonky[1]; + *p = 1; + kernel_tea_cheese_t *q = &wonky[1]; + kernel_tea_cheese_t r = *q; // no-warning +} |