asan_report.cc revision 487fee7f6f7497906a00d7d2fe2c75e6d5d4feb1 
1//===-- asan_report.cc ----------------------------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file is a part of AddressSanitizer, an address sanity checker.
11//
12// This file contains error reporting code.
13//===----------------------------------------------------------------------===//
14#include "asan_allocator.h"
15#include "asan_internal.h"
16#include "asan_report.h"
17#include "asan_stack.h"
18#include "asan_thread_registry.h"
19
20namespace __asan {
21
22void ReportSIGSEGV(uptr pc, uptr sp, uptr bp, uptr addr) {
23  AsanReport("ERROR: AddressSanitizer crashed on unknown address %p"
24             " (pc %p sp %p bp %p T%d)\n",
25             (void*)addr, (void*)pc, (void*)sp, (void*)bp,
26             asanThreadRegistry().GetCurrentTidOrInvalid());
27  AsanPrintf("AddressSanitizer can not provide additional info. ABORTING\n");
28  GET_STACK_TRACE_WITH_PC_AND_BP(kStackTraceMax, pc, bp);
29  stack.PrintStack();
30  ShowStatsAndAbort();
31}
32
33void ReportDoubleFree(uptr addr, AsanStackTrace *stack) {
34  AsanReport("ERROR: AddressSanitizer attempting double-free on %p:\n", addr);
35  stack->PrintStack();
36  DescribeHeapAddress(addr, 1);
37  ShowStatsAndAbort();
38}
39
40void ReportFreeNotMalloced(uptr addr, AsanStackTrace *stack) {
41  AsanReport("ERROR: AddressSanitizer attempting free on address "
42             "which was not malloc()-ed: %p\n", addr);
43  stack->PrintStack();
44  ShowStatsAndAbort();
45}
46
47void ReportMallocUsableSizeNotOwned(uptr addr, AsanStackTrace *stack) {
48  AsanReport("ERROR: AddressSanitizer attempting to call "
49             "malloc_usable_size() for pointer which is "
50             "not owned: %p\n", addr);
51  stack->PrintStack();
52  DescribeHeapAddress(addr, 1);
53  ShowStatsAndAbort();
54}
55
56void ReportAsanGetAllocatedSizeNotOwned(uptr addr, AsanStackTrace *stack) {
57  AsanReport("ERROR: AddressSanitizer attempting to call "
58             "__asan_get_allocated_size() for pointer which is "
59             "not owned: %p\n", addr);
60  stack->PrintStack();
61  DescribeHeapAddress(addr, 1);
62  ShowStatsAndAbort();
63}
64
65void ReportStringFunctionMemoryRangesOverlap(
66    const char *function, const char *offset1, uptr length1,
67    const char *offset2, uptr length2, AsanStackTrace *stack) {
68  AsanReport("ERROR: AddressSanitizer %s-param-overlap: "
69             "memory ranges [%p,%p) and [%p, %p) overlap\n", \
70             function, offset1, offset1 + length1, offset2, offset2 + length2);
71  stack->PrintStack();
72  ShowStatsAndAbort();
73}
74
75}  // namespace __asan
76