Chrome Version       : 61.0.3144.0
OS Version: Linux

What steps will reproduce the problem?
1. Open devtools
2. Drop some folders in the workspace
3. Try to search across files ("Ctrl-Shift-F")

I'd expect: Search works.

In fact: Browser crashes.

(chrome:26098): LIBDBUSMENU-GLIB-WARNING **: Unable to get session bus: Unknown or unsupported transport 'disabled' for address 'disabled:'
Received signal 7 <unknown> 000000000000
#0 0x7fc11e19f637 base::debug::StackTrace::StackTrace()
#1 0x7fc11e19f1af base::debug::(anonymous namespace)::StackDumpSignalHandler()
#2 0x7fc11e2df330 <unknown>
#3 0x7fc11e261172 (anonymous namespace)::do_malloc()
#4 0x7fc11e26eec9 tc_malloc
#5 0x7fc11e254a6e operator new()
#6 0x559afcd25e0b DevToolsFileSystemIndexer::FileSystemIndexingJob::FinishFileIndexing()
#7 0x559afcd26100 DevToolsFileSystemIndexer::FileSystemIndexingJob::ReadFromFile()
#8 0x7fc11e19ff2b base::debug::TaskAnnotator::RunTask()
#9 0x7fc11e2104d4 base::internal::TaskTracker::PerformRunTask()
#10 0x7fc11e210a70 base::internal::TaskTrackerPosix::PerformRunTask()
#11 0x7fc11e20ffec base::internal::TaskTracker::RunNextTask()
#12 0x7fc11e20c2a9 base::internal::SchedulerWorker::Thread::ThreadMain()
#13 0x7fc11e21b383 base::(anonymous namespace)::ThreadFunc()
#14 0x7fc11e2d7184 start_thread
#15 0x7fc113181bed clone
  r8: 000033e485fd7d80  r9: 00000000000000a6 r10: 000033e4875f8da8 r11: 00007fc11320f0f0
 r12: 0000000000000118 r13: 000000000000008c r14: 000033e4836e9b90 r15: 000033e4870986c0
  di: 0000000000000118  si: 0000000000000011  bp: ffedffec01f80ede  bx: 00000003fe08f12f
  dx: 0000000000000000  ax: 0000000000000033  cx: 0000000000000005  sp: 00007fc1016aa0b0
  ip: 00007fc11e261172 efl: 0000000000010217 cgf: 0000000000000033 erf: 0000000000000000
 trp: 000000000000000c msk: 0000000000000000 cr2: 0000000000000000
[end of stack trace]
Calling _exit(1). Core file will not be generated.