Check for data races when reading JIT/DEX entries.
Update the entries only when the list is modified by the runtime.
Check that the list wasn't concurrently modified when being read.
Bug: 124287208
Test: libunwindstack_test
Test: art/test.py -b --host -r -t 137-cfi
Change-Id: I87ba70322053a01b3d5be1fdf6310e1dc21bb084
diff --git a/debuggerd/libdebuggerd/tombstone.cpp b/debuggerd/libdebuggerd/tombstone.cpp
index 47a7a8f..4bdb9c8 100644
--- a/debuggerd/libdebuggerd/tombstone.cpp
+++ b/debuggerd/libdebuggerd/tombstone.cpp
@@ -44,7 +44,6 @@
#include <log/log.h>
#include <log/logprint.h>
#include <private/android_filesystem_config.h>
-#include <unwindstack/DexFiles.h>
#include <unwindstack/JitDebug.h>
#include <unwindstack/Maps.h>
#include <unwindstack/Memory.h>
@@ -650,7 +649,7 @@
};
unwindstack::UnwinderFromPid unwinder(kMaxFrames, pid);
- if (!unwinder.Init(unwindstack::Regs::CurrentArch())) {
+ if (!unwinder.Init()) {
LOG(FATAL) << "Failed to init unwinder object.";
}