1 // RUN: %clangxx %s -fsanitize-memory-track-origins=1 -o %t 2 // RUN: %env_tool_opts="compress_stack_depot=0:malloc_context_size=128:verbosity=1" %run %t 2>&1 | FileCheck %s --implicit-check-not="StackDepot released" 3 // RUN: %env_tool_opts="compress_stack_depot=-1:malloc_context_size=128:verbosity=1" %run %t 2>&1 | FileCheck %s --check-prefixes=COMPRESS 4 // RUN: %env_tool_opts="compress_stack_depot=-2:malloc_context_size=128:verbosity=1" %run %t 2>&1 | FileCheck %s --check-prefixes=COMPRESS 5 // RUN: %env_tool_opts="compress_stack_depot=1:malloc_context_size=128:verbosity=1" %run %t 2>&1 | FileCheck %s --check-prefixes=COMPRESS,THREAD 6 // RUN: %env_tool_opts="compress_stack_depot=2:malloc_context_size=128:verbosity=1" %run %t 2>&1 | FileCheck %s --check-prefixes=COMPRESS,THREAD 7 8 // Ubsan does not store stacks. 9 // UNSUPPORTED: ubsan 10 11 // FIXME: Fails for unknown reason. 12 // UNSUPPORTED: s390x 13 14 // Similar to D114934, something is broken with background thread on THUMB and Asan. 15 // XFAIL: thumb && asan 16 17 #include <sanitizer/common_interface_defs.h> 18 19 #include <memory> 20 21 __attribute__((noinline)) void a(unsigned v); 22 __attribute__((noinline)) void b(unsigned v); 23 24 std::unique_ptr<int[]> p; 25 26 __attribute__((noinline)) void a(unsigned v) { 27 int x; 28 v >>= 1; 29 if (!v) { 30 p.reset(new int[100]); 31 p[1] = x; 32 return; 33 } 34 if (v & 1) 35 b(v); 36 else 37 a(v); 38 } 39 40 __attribute__((noinline)) void b(unsigned v) { return a(v); } 41 42 int main(int argc, char *argv[]) { 43 for (unsigned i = 0; i < 100000; ++i) 44 a(i + (i << 16)); 45 46 __sanitizer_sandbox_arguments args = {0}; 47 __sanitizer_sandbox_on_notify(&args); 48 49 return 0; 50 } 51 52 // THREAD: StackDepot compression thread started 53 // COMPRESS: StackDepot released {{[0-9]+}} 54 // THREAD: StackDepot compression thread stopped 55