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  1. WiredTiger
  2. WT-5099

LSM memory leak detected by ASAN

    • Type: Icon: Bug Bug
    • Resolution: Duplicate
    • Priority: Icon: Major - P3 Major - P3
    • None
    • Affects Version/s: None
    • Component/s: None
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      There's a LSM memory leak detected by ASAN while running test/format in the clang sanitizer job on margay-aws

      http://build.wiredtiger.com:8080/job/wiredtiger-clang-sanitizer/3748/console

      ==17581==ERROR: LeakSanitizer: detected memory leaks
      
      Direct leak of 464 byte(s) in 1 object(s) allocated from:
          #0 0x4c703a in calloc (/mnt/data0/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/.libs/wt+0x4c703a)
          #1 0x7fd81fefc330 in __wt_calloc /mnt/data0/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/../src/os_common/os_alloc.c:50:14
          #2 0x7fd81fed7383 in __lsm_tree_open /mnt/data0/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/../src/lsm/lsm_tree.c:475:5
          #3 0x7fd81fed6e83 in __wt_lsm_tree_get /mnt/data0/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/../src/lsm/lsm_tree.c:537:9
          #4 0x7fd81fea880f in __wt_clsm_open /mnt/data0/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/../src/lsm/lsm_cursor.c:1734:11
          #5 0x7fd81ffaaeb9 in __session_open_cursor_int /mnt/data0/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/../src/session/session_api.c:461:13
          #6 0x7fd81fe3f3c3 in __wt_curtable_open /mnt/data0/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/../src/cursor/cur_table.c:971:15
          #7 0x7fd81ffaae92 in __session_open_cursor_int /mnt/data0/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/../src/session/session_api.c:439:13
          #8 0x7fd81ffad226 in __session_open_cursor /mnt/data0/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/../src/session/session_api.c:584:5
          #9 0x4f8bd2 in util_dump /mnt/data0/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/../src/utilities/util_dump.c:108:20
          #10 0x507878 in main /mnt/data0/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/../src/utilities/util_main.c:347:11
          #11 0x7fd81eb5bb96 in __libc_start_main /build/glibc-OTsEL5/glibc-2.27/csu/../csu/libc-start.c:310

      There's a coredump generated afterwards:

      t: FAILED: wts_rebalance/47: system(cmd): command failed: ../../wt -h RUNDIR dump -f RUNDIR/rebalance.orig table:wt: Unknown error 34304
      process aborting
      Aborted (core dumped)
      FAIL smoke.sh (exit status: 134) 

      The configuration:

      ############################################
      #  RUN PARAMETERS
      ############################################
      abort=0
      alter=0
      assert_commit_timestamp=0
      assert_read_timestamp=0
      auto_throttle=1
      backups=0
      bitcnt=3
      bloom=1
      bloom_bit_count=30
      bloom_hash_count=5
      bloom_oldest=0
      cache=48
      cache_minimum=0
      checkpoints=wiredtiger
      checkpoint_log_size=77
      checkpoint_wait=62
      checksum=on
      chunk_size=4
      compaction=0
      compression=none
      data_extend=0
      data_source=lsm
      delete_pct=1
      dictionary=0
      direct_io=0
      encryption=none
      evict_max=2
      file_type=row-store
      firstfit=1
      huffman_key=0
      huffman_value=0
      independent_thread_rng=1
      in_memory=0
      insert_pct=29
      internal_key_truncation=1
      internal_page_max=9
      isolation=snapshot
      key_gap=11
      key_max=101
      key_min=28
      leaf_page_max=12
      leak_memory=0
      logging=0
      logging_archive=0
      logging_compression=none
      logging_file_max=235542
      logging_prealloc=1
      long_running_txn=0
      lsm_worker_threads=4
      memory_page_max=6
      merge_max=16
      mmap=1
      modify_pct=6
      ops=50000
      prefix_compression=0
      prefix_compression_min=6
      prepare=0
      quiet=1
      read_pct=63
      rebalance=1
      repeat_data_pct=77
      reverse=1
      rows=10000
      runs=1
      salvage=1
      split_pct=80
      statistics=0
      statistics_server=0
      threads=4
      timer=360
      timing_stress_aggressive_sweep=0
      timing_stress_checkpoint=0
      timing_stress_lookaside_sweep=0
      timing_stress_split_1=0
      timing_stress_split_2=0
      timing_stress_split_3=0
      timing_stress_split_4=0
      timing_stress_split_5=0
      timing_stress_split_6=0
      timing_stress_split_7=0
      timing_stress_split_8=0
      transaction_timestamps=0
      transaction-frequency=13
      truncate=0
      value_max=1998
      value_min=2
      verify=1
      wiredtiger_config=
      write_pct=1
      ############################################ 

            Assignee:
            backlog-server-storage-engines [DO NOT USE] Backlog - Storage Engines Team
            Reporter:
            luke.chen@mongodb.com Luke Chen
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              Created:
              Updated:
              Resolved: