diff options
| author | hashimoto@chromium.org <hashimoto@chromium.org> | 2015-01-27 03:27:08 +0000 |
|---|---|---|
| committer | hashimoto@chromium.org <hashimoto@chromium.org> | 2015-01-27 03:27:08 +0000 |
| commit | cfaf27c37e3e5df5ca00a75758a36af870b5fb45 (patch) | |
| tree | 9b791cae86c65c317c76484cbe3513f209f7f4e8 /src | |
| parent | Fix some fragile code that is likely to cause future memory corruption (diff) | |
| download | breakpad-cfaf27c37e3e5df5ca00a75758a36af870b5fb45.tar.xz | |
Stop calling memmove when unnecessary
BUG=chromium:450137
R=mark@chromium.org
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1416 4c0a9323-5329-0410-9bdc-e9ce6186880e
Diffstat (limited to 'src')
| -rw-r--r-- | src/client/linux/minidump_writer/linux_ptrace_dumper.cc | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/client/linux/minidump_writer/linux_ptrace_dumper.cc b/src/client/linux/minidump_writer/linux_ptrace_dumper.cc index 5ab59c27..95f12942 100644 --- a/src/client/linux/minidump_writer/linux_ptrace_dumper.cc +++ b/src/client/linux/minidump_writer/linux_ptrace_dumper.cc @@ -282,8 +282,10 @@ bool LinuxPtraceDumper::ThreadsSuspend() { // If the thread either disappeared before we could attach to it, or if // it was part of the seccomp sandbox's trusted code, it is OK to // silently drop it from the minidump. - my_memmove(&threads_[i], &threads_[i+1], - (threads_.size() - i - 1) * sizeof(threads_[i])); + if (i < threads_.size() - 1) { + my_memmove(&threads_[i], &threads_[i + 1], + (threads_.size() - i - 1) * sizeof(threads_[i])); + } threads_.resize(threads_.size() - 1); --i; } |