tree 42d19836c07b599054bde49f5ecbb0ca403df3a4
parent 5d35f427c877a98f313044b864c606de4efc3b71
author Yabin Cui <yabinc@google.com> 1661463792 -0700
committer Yabin Cui <yabinc@google.com> 1661464215 -0700

simpleperf: fix a heap buffer overflow reported by hwasan.

The kallsyms field in KernelSymbolRecord may not end with '\0'.
So we should use kallsyms_size when building std::string.

Bug: 237255120
Test: run simpleperf_unit_test
Change-Id: I62bcf81ae58756885f3d5f0a4a5a51edcdb3e3d2