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  1. WiredTiger
  2. WT-2923

heap-use-after-free on address in compaction

    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Major - P3
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: WT2.9.0, 3.2.10, 3.3.15
    • Labels:
      None

      Description

      heap-use-after-free on address in compaction

      This one is real and reproducible.

      http://build.wiredtiger.com:8080/job/wiredtiger-test-format-stress-sanitizer-ppc/1718/

      ./configure CCAS=gcc 'CC=clang -fsanitize=address' 'CFLAGS=-g -fno-omit-frame-pointer -I/usr/lib/gcc/ppc64le-redhat-linux/4.8.2/include' --enable-diagnostic --with-builtins=lz4,snappy,zlib --with-berkeleydb=/home/jenkins/jenkins/workspace/wiredtiger-test-format-stress-sanitizer-ppc/build_posix/db
      

      =================================================================
      ==13388==ERROR: AddressSanitizer: heap-use-after-free on address 0x0a1000045a70 at pc 0x0000103f5e04 bp 0x3fff80f8c660 sp 0x3fff80f8c680
      READ of size 8 at 0x0a1000045a70 thread T87
          #0 0x103f5e00 in __wt_ref_info /home/jenkins/jenkins/workspace/wiredtiger-test-format-stress-sanitizer-ppc/build_posix/../src/include/btree.i:1070:18
          #1 0x103f580c in __wt_compact_page_skip /home/jenkins/jenkins/workspace/wiredtiger-test-format-stress-sanitizer-ppc/build_posix/../src/btree/bt_compact.c:189:2
          #2 0x104c5e44 in __tree_walk_internal /home/jenkins/jenkins/workspace/wiredtiger-test-format-stress-sanitizer-ppc/build_posix/../src/btree/bt_walk.c:491:6
          #3 0x104c4714 in __wt_tree_walk /home/jenkins/jenkins/workspace/wiredtiger-test-format-stress-sanitizer-ppc/build_posix/../src/btree/bt_walk.c:678:10
          #4 0x103f35ac in __wt_compact /home/jenkins/jenkins/workspace/wiredtiger-test-format-stress-sanitizer-ppc/build_posix/../src/btree/bt_compact.c:139:3
          #5 0x10349074 in __compact_file /home/jenkins/jenkins/workspace/wiredtiger-test-format-stress-sanitizer-ppc/build_posix/../src/session/session_compact.c:235:3
          #6 0x10346d9c in __wt_session_compact /home/jenkins/jenkins/workspace/wiredtiger-test-format-stress-sanitizer-ppc/build_posix/../src/session/session_compact.c:312:4
          #7 0x10120db4 in compact /home/jenkins/jenkins/workspace/wiredtiger-test-format-stress-sanitizer-ppc/build_posix/test/format/../../../test/format/compact.c:66:14
          #8 0x100eefe8 in __asan::AsanThread::ThreadStart(unsigned long, __sanitizer::atomic_uintptr_t*) /home/mcahill/src/llvm-3.8.1.src/projects/compiler-rt-3.8.1.src/lib/asan/asan_thread.cc:183
          #9 0x100322e8 in asan_thread_start(void*) /home/mcahill/src/llvm-3.8.1.src/projects/compiler-rt-3.8.1.src/lib/asan/asan_interceptors.cc:228
          #10 0x3fff98008940 in start_thread (/lib64/power8/libpthread.so.0+0x8940)
      

      ############################################
      #  RUN PARAMETERS
      ############################################
      abort=0
      auto_throttle=1
      backups=0
      bitcnt=8
      bloom=1
      bloom_bit_count=8
      bloom_hash_count=8
      bloom_oldest=1
      cache=34
      checkpoints=1
      checksum=uncompressed
      chunk_size=8
      compaction=1
      compression=lz4-noraw
      data_extend=0
      data_source=file
      delete_pct=12
      dictionary=0
      direct_io=0
      encryption=none
      evict_max=5
      file_type=row-store
      firstfit=0
      huffman_key=0
      huffman_value=0
      in_memory=0
      insert_pct=6
      internal_key_truncation=1
      internal_page_max=9
      isolation=random
      key_gap=13
      key_max=110
      key_min=11
      leaf_page_max=16
      leak_memory=0
      logging=1
      logging_archive=1
      logging_compression=lz4
      logging_prealloc=1
      long_running_txn=0
      lsm_worker_threads=4
      merge_max=17
      mmap=1
      ops=100000
      prefix_compression=1
      prefix_compression_min=3
      quiet=1
      repeat_data_pct=50
      reverse=0
      rows=100000
      runs=1
      rebalance=1
      salvage=1
      split_pct=68
      statistics=0
      statistics_server=0
      threads=25
      timer=20
      transaction-frequency=6
      value_max=3265
      value_min=17
      verify=1
      wiredtiger_config=
      write_pct=86
      ############################################
      

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            • Assignee:
              keith.bostic Keith Bostic
              Reporter:
              keith.bostic Keith Bostic
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              • Created:
                Updated:
                Resolved: