iso-stress-linux bot crashed from trace/breakpoint trap

[derekxu16]

===== CRASH =====
si_signo=Trace/breakpoint trap(5), si_code=?(128), si_addr=(nil)
version=3.7.0-edge (main) (Unknown timestamp) on "linux_x64"
pid=411959, thread=411968, isolate_group=main(0x5644381ac630), isolate=wrapper721(0x7fe920009db0)
os=linux, arch=x64, comp=no, sim=no
isolate_instructions=7fe94b15bf40, vm_instructions=7fe94b154000
fp=7fe93a0fd9b8, sp=7fe93a0fd858, pc=7fe94b956732
  pc 0x00007fe94b956732 fp 0x00007fe93a0fd9b8 _kDartIsolateSnapshotInstructions+0x7fa7f2
  pc 0x00007fe94b35cc0e fp 0x00007fe93a0fd9e8 _kDartIsolateSnapshotInstructions+0x200cce
  pc 0x00007fe94b16372d fp 0x00007fe93a0fda70 _kDartIsolateSnapshotInstructions+0x77ed
  pc 0x00007fe94b325384 fp 0x00007fe93a0fdab0 _kDartIsolateSnapshotInstructions+0x1c9444
  pc 0x00007fe94b163b9c fp 0x00007fe93a0fdb28 _kDartIsolateSnapshotInstructions+0x7c5c
  pc 0x00007fe94b1658c0 fp 0x00007fe93a0fdba8 _kDartIsolateSnapshotInstructions+0x9980
  pc 0x00007fe94b1626dd fp 0x00007fe93a0fdbf8 _kDartIsolateSnapshotInstructions+0x679d
  pc 0x00007fe94b1ba8d2 fp 0x00007fe93a0fdc20 _kDartIsolateSnapshotInstructions+0x5e992
  pc 0x00007fe94b2fccd7 fp 0x00007fe93a0fdc30 _kDartIsolateSnapshotInstructions+0x1a0d97
  pc 0x00007fe94b1640fc fp 0x00007fe93a0fdcb0 _kDartIsolateSnapshotInstructions+0x81bc
  pc 0x00007fe94b32542f fp 0x00007fe93a0fdce8 _kDartIsolateSnapshotInstructions+0x1c94ef
  pc 0x00007fe94b4f9e95 fp 0x00007fe93a0fdd48 _kDartIsolateSnapshotInstructions+0x39df55
  pc 0x00007fe94b4ebecc fp 0x00007fe93a0fddc8 _kDartIsolateSnapshotInstructions+0x38ff8c
  pc 0x00007fe94b4b5d46 fp 0x00007fe93a0fdde0 _kDartIsolateSnapshotInstructions+0x359e06
  pc 0x00007fe94b4b5cbb fp 0x00007fe93a0fde10 _kDartIsolateSnapshotInstructions+0x359d7b
  pc 0x00007fe94b4b5a7f fp 0x00007fe93a0fde20 _kDartIsolateSnapshotInstructions+0x359b3f
  pc 0x00007fe94b2041f7 fp 0x00007fe93a0fde30 _kDartIsolateSnapshotInstructions+0xa82b7
  pc 0x00007fe94b33b00a fp 0x00007fe93a0fde48 _kDartIsolateSnapshotInstructions+0x1df0ca
  pc 0x00007fe94b2fde29 fp 0x00007fe93a0fde60 _kDartIsolateSnapshotInstructions+0x1a1ee9
  pc 0x00007fe94b5740b7 fp 0x00007fe93a0fde70 _kDartIsolateSnapshotInstructions+0x418177
  pc 0x00007fe94b2fdad8 fp 0x00007fe93a0fde90 _kDartIsolateSnapshotInstructions+0x1a1b98
  pc 0x00007fe94b35cd8e fp 0x00007fe93a0fdec0 _kDartIsolateSnapshotInstructions+0x200e4e
  pc 0x00007fe94b2fe32d fp 0x00007fe93a0fdef0 _kDartIsolateSnapshotInstructions+0x1a23ed
  pc 0x00007fe94b2fe393 fp 0x00007fe93a0fdf00 _kDartIsolateSnapshotInstructions+0x1a2453
  pc 0x00007fe94b1640fc fp 0x00007fe93a0fdf80 _kDartIsolateSnapshotInstructions+0x81bc
  pc 0x00007fe94b32542f fp 0x00007fe93a0fdfb8 _kDartIsolateSnapshotInstructions+0x1c94ef
  pc 0x00007fe94b4f9e95 fp 0x00007fe93a0fe018 _kDartIsolateSnapshotInstructions+0x39df55
  pc 0x00007fe94b4ebecc fp 0x00007fe93a0fe098 _kDartIsolateSnapshotInstructions+0x38ff8c
  pc 0x00007fe94b4e9cc7 fp 0x00007fe93a0fe0a8 _kDartIsolateSnapshotInstructions+0x38dd87
  pc 0x00007fe94b164132 fp 0x00007fe93a0fe128 _kDartIsolateSnapshotInstructions+0x81f2
  pc 0x00007fe94b32542f fp 0x00007fe93a0fe160 _kDartIsolateSnapshotInstructions+0x1c94ef
  pc 0x00007fe94b4f9e95 fp 0x00007fe93a0fe1c0 _kDartIsolateSnapshotInstructions+0x39df55
  pc 0x00007fe94b4ebecc fp 0x00007fe93a0fe240 _kDartIsolateSnapshotInstructions+0x38ff8c
  pc 0x00007fe94b4e9cc7 fp 0x00007fe93a0fe250 _kDartIsolateSnapshotInstructions+0x38dd87
  pc 0x00007fe94b32249f fp 0x00007fe93a0fe268 _kDartIsolateSnapshotInstructions+0x1c655f
  pc 0x00007fe94b322362 fp 0x00007fe93a0fe2b8 _kDartIsolateSnapshotInstructions+0x1c6422
  pc 0x00007fe94b32231f fp 0x00007fe93a0fe2c8 _kDartIsolateSnapshotInstructions+0x1c63df
  pc 0x00007fe94b1c18da fp 0x00007fe93a0fe2e0 _kDartIsolateSnapshotInstructions+0x6599a
  pc 0x00007fe94b1c186c fp 0x00007fe93a0fe308 _kDartIsolateSnapshotInstructions+0x6592c
  pc 0x00007fe94b158b3f fp 0x00007fe93a0fe380 _kDartVmSnapshotInstructions+0x4b3f
  pc 0x00005643f99bd8a8 fp 0x00007fe93a0fe3f0 dart::DartEntry::InvokeFunction+0xd8
  pc 0x00005643f99bfe7f fp 0x00007fe93a0fe450 dart::DartLibraryCalls::HandleMessage+0xef
  pc 0x00005643f99e742b fp 0x00007fe93a0febe0 dart::IsolateMessageHandler::HandleMessage+0x3bb
  pc 0x00005643f99f943d fp 0x00007fe93a0fec70 dart::MessageHandler::HandleMessages+0x1ed
  pc 0x00005643f99f9fbb fp 0x00007fe93a0fecd0 dart::MessageHandler::TaskCallback+0x2cb
  pc 0x00005643f9b72d9f fp 0x00007fe93a0fed50 dart::ThreadPool::WorkerLoop+0x15f
  pc 0x00005643f9b7368d fp 0x00007fe93a0feda0 dart::ThreadPool::Worker::Main+0x11d
  pc 0x00005643f9afe0a6 fp 0x00007fe93a0feef0 dart::ThreadStart+0x106
-- End of DumpStackTrace
=> Running "out/DebugX64/dartaotruntime /b/s/w/itmnpxjltg/ROTUIX/app.elf" failed with -6
=> Possible crash 0 (pid: 411959)

https://ci.chromium.org/ui/p/dart/builders/ci.sandbox/iso-stress-linux/7346/overview

[derekxu16]

I tried debugging the coredump, but wasn't able to figure out what's going wrong.