snapshot/minidump/process_snapshot_minidump.cc - Issue 1283243004: ubsan: Don’t call v[0] on empty vectors

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Unified Diff: snapshot/minidump/process_snapshot_minidump.cc

Issue 1283243004: ubsan: Don’t call v[0] on empty vectors (Closed) Base URL: https://chromium.googlesource.com/crashpad/crashpad@master

Patch Set: Created 5 years, 4 months ago

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Index: snapshot/minidump/process_snapshot_minidump.cc

diff --git a/snapshot/minidump/process_snapshot_minidump.cc b/snapshot/minidump/process_snapshot_minidump.cc

index fa87981b5c2437e87d923f15bd53081c863c0381..5344118c169f91956d92a213230dbc74bf92d9ca 100644

--- a/snapshot/minidump/process_snapshot_minidump.cc

+++ b/snapshot/minidump/process_snapshot_minidump.cc

@@ -65,7 +65,8 @@ bool ProcessSnapshotMinidump::Initialize(FileReaderInterface* file_reader) {

}

stream_directory_.resize(header_.NumberOfStreams);

- if (!file_reader_->ReadExactly(

+ if (!stream_directory_.empty() &&

+ !file_reader_->ReadExactly(

&stream_directory_[0],

header_.NumberOfStreams * sizeof(stream_directory_[0]))) {

return false;

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