1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
#include "jemalloc/internal/jemalloc_preamble.h"
#include "jemalloc/internal/jemalloc_internal_includes.h"
static safety_check_abort_hook_t safety_check_abort;
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 "
"deallocation 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(safety_check_abort_hook_t abort_fn) {
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);
}
}
|
