| #include "jemalloc/internal/jemalloc_preamble.h" |
| #include "jemalloc/internal/jemalloc_internal_includes.h" |
| |
| static void (*safety_check_abort)(const char *message); |
| |
| void safety_check_fail_sized_dealloc(bool current_dealloc, const void *ptr, |
| size_t true_size, size_t input_size) { |
| char *src = current_dealloc ? "the current pointer being freed" : |
| "in thread cache, possibly from previous deallocations"; |
| |
| safety_check_fail("<jemalloc>: size mismatch detected (true size %zu " |
| "vs input size %zu), likely caused by application sized " |
| "dealloction bugs (source address: %p, %s). Suggest building with " |
| "--enable-debug or address sanitizer for debugging. Abort.\n", |
| true_size, input_size, ptr, src); |
| } |
| |
| void safety_check_set_abort(void (*abort_fn)(const char *)) { |
| safety_check_abort = abort_fn; |
| } |
| |
| void safety_check_fail(const char *format, ...) { |
| char buf[MALLOC_PRINTF_BUFSIZE]; |
| |
| va_list ap; |
| va_start(ap, format); |
| malloc_vsnprintf(buf, MALLOC_PRINTF_BUFSIZE, format, ap); |
| va_end(ap); |
| |
| if (safety_check_abort == NULL) { |
| malloc_write(buf); |
| abort(); |
| } else { |
| safety_check_abort(buf); |
| } |
| } |