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  1. WiredTiger
  2. WT-9572

segfault on row store page update structure

    • Type: Icon: Bug Bug
    • Resolution: Unresolved
    • Priority: Icon: Major - P3 Major - P3
    • None
    • Affects Version/s: None
    • Component/s: None

      In a patch build, we see test_wt4333_handle_locks seg fault:

      #0  0x00007f9937bba4bd in __wt_row_modify (cbt=cbt@entry=0x2805ed00, key=key@entry=0x2805ee18, value=value@entry=0x2805ee40,
          upd_arg=upd_arg@entry=0x0, modify_type=modify_type@entry=3, exclusive=exclusive@entry=false, restore=false)
          at ../src/btree/row_modify.c:113
      #1  0x00007f9937b47c33 in __cursor_row_modify (modify_type=3, value=0x2805ee40, cbt=0x2805ed00) at ../src/btree/bt_cursor.c:1146
      #2  __wt_btcur_insert (cbt=cbt@entry=0x2805ed00) at ../src/btree/bt_cursor.c:1146
      #3  0x00007f9937bf9001 in __curfile_insert (cursor=0x2805ed00) at ../src/cursor/cur_file.c:380
      #4  0x0000000000401517 in op (session=<optimized out>, rnd=rnd@entry=0x7f992aaeadc8, cpp=cpp@entry=0x7f992aaeae18)
          at ../test/csuite/wt4333_handle_locks/main.c:143
      #5  0x0000000000401885 in wthread (arg=<optimized out>) at ../test/csuite/wt4333_handle_locks/main.c:180
      #6  0x00007f9937ab1609 in start_thread (arg=<optimized out>) at pthread_create.c:477
      #7  0x00007f99379c6133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
      (gdb) p mod->u2.row_leaf.update[0]
      Cannot access memory at address 0x28241600
      

            Assignee:
            backlog-server-storage-engines [DO NOT USE] Backlog - Storage Engines Team
            Reporter:
            chenhao.qu@mongodb.com Chenhao Qu
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              Created:
              Updated: