7339ca278c
Summary: Adds two flavours of generic unwinder and all the supporting cruft. If the supporting allocator is okay with bringing in sanitizer_common, they can use the fast frame-pointer based unwinder from sanitizer_common. Otherwise, we also provide the backtrace() libc-based unwinder as well. Of course, the allocator can always specify its own unwinder and unwinder-symbolizer. The slightly changed output format is exemplified in the first comment on this patch. It now better incorporates backtrace information, and displays allocation details on the second line. Reviewers: eugenis, vlad.tsyrklevich Reviewed By: eugenis, vlad.tsyrklevich Subscribers: srhines, kubamracek, mgorny, cryptoad, #sanitizers, llvm-commits, morehouse Tags: #sanitizers, #llvm Differential Revision: https://reviews.llvm.org/D63841 llvm-svn: 364941
17 lines
371 B
C++
17 lines
371 B
C++
// REQUIRES: gwp_asan
|
|
// RUN: %clangxx_gwp_asan %s -o %t
|
|
// RUN: not %run %t 2>&1 | FileCheck %s
|
|
|
|
// CHECK: GWP-ASan detected a memory error
|
|
// CHECK: Invalid (wild) free at 0x{{[a-f0-9]+}} (1 byte to the right of a
|
|
// CHECK-SAME: 1-byte allocation
|
|
|
|
#include <cstdlib>
|
|
|
|
int main() {
|
|
char *Ptr =
|
|
reinterpret_cast<char *>(malloc(1));
|
|
free(Ptr + 1);
|
|
return 0;
|
|
}
|