CI Failure (oversized allocation) in `TieredStorageIoStressTest.test_io_stress`

[vbotbuildovich]

https://buildkite.com/redpanda/vtools/builds/14952

Module: rptest.scale_tests.tiered_storage_io_stress_test
Class: TieredStorageIoStressTest
Method: test_io_stress
Arguments: {
    "segment_size": 134217728,
    "interval_uploads": false,
    "cloud_storage_type": 1
}

test_id:    TieredStorageIoStressTest.test_io_stress
status:     FAIL
run time:   274.789 seconds

<BadLogLines nodes=ip-172-31-5-139(3) example="WARN  2024-06-22 02:12:30,836 [shard 3:main] seastar_memory - oversized allocation: 458752 bytes. This is non-fatal, but could lead to latency and/or fragmentation issues. Please report: at 0x8548fdb 0x823a08b 0x82451ff 0x83e5763 0x83eb88f 0x83e352f 0x8377273 0x8305cf7 0x834dd83 0x828b93f /opt/redpanda/lib/libc.so.6+0x96797 /opt/redpanda/lib/libc.so.6+0x101b4b">
Traceback (most recent call last):
  File "/opt/.ducktape-venv/lib/python3.10/site-packages/ducktape/tests/runner_client.py", line 184, in _do_run
    data = self.run_test()
  File "/opt/.ducktape-venv/lib/python3.10/site-packages/ducktape/tests/runner_client.py", line 276, in run_test
    return self.test_context.function(self.test)
  File "/opt/.ducktape-venv/lib/python3.10/site-packages/ducktape/mark/_mark.py", line 535, in wrapper
    return functools.partial(f, *args, **kwargs)(*w_args, **w_kwargs)
  File "/home/ubuntu/redpanda/tests/rptest/services/cluster.py", line 190, in wrapped
    redpanda.raise_on_bad_logs(
  File "/home/ubuntu/redpanda/tests/rptest/services/redpanda.py", line 1570, in raise_on_bad_logs
    lsearcher.search_logs(_searchable_nodes)
  File "/home/ubuntu/redpanda/tests/rptest/services/utils.py", line 197, in search_logs
    raise BadLogLines(bad_loglines)
rptest.services.utils.BadLogLines: <BadLogLines nodes=ip-172-31-5-139(3) example="WARN  2024-06-22 02:12:30,836 [shard 3:main] seastar_memory - oversized allocation: 458752 bytes. This is non-fatal, but could lead to latency and/or fragmentation issues. Please report: at 0x8548fdb 0x823a08b 0x82451ff 0x83e5763 0x83eb88f 0x83e352f 0x8377273 0x8305cf7 0x834dd83 0x828b93f /opt/redpanda/lib/libc.so.6+0x96797 /opt/redpanda/lib/libc.so.6+0x101b4b">

JIRA Link: CORE-4846