test bug: clang sanitizer failure in fail_fs

FAIL: test_wt2909_checkpoint_integrity

======================================

check_results/127: session->open_cursor(session, "table:subtest", NULL, NULL, &maincur): No such file or directory

FAIL test_wt2909_checkpoint_integrity (exit status: 1)

=================================================================

==75043==ERROR: AddressSanitizer: heap-use-after-free on address 0x60f00000e688 at pc 0x7f49e8d1148f bp 0x7f49e3ba28e0 sp 0x7f49e3ba28d8

WRITE of size 8 at 0x60f00000e688 thread T3

    #0 0x7f49e8d1148e in fail_fs_open /work/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/ext/test/fail_fs/../../../../ext/test/fail_fs/fail_fs.c:623:91

    #1 0x550d53 in __wt_open /work/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/../src/os_common/os_fhandle.c:258:19

    #2 0x519b19 in __log_openfile /work/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/../src/log/log.c:768:19

    #3 0x51d868 in __wt_log_allocfile /work/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/../src/log/log.c:1158:19

    #4 0x4e3d7c in __log_prealloc_once /work/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/../src/conn/conn_log.c:308:20

    #5 0x4e3d7c in __log_server /work/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/../src/conn/conn_log.c:815

    #6 0x3e6ce07554 in start_thread (/lib64/libpthread.so.0+0x3e6ce07554)

    #7 0x3e6cb02dec in __clone (/lib64/libc.so.6+0x3e6cb02dec)

0x60f00000e688 is located 152 bytes inside of 168-byte region [0x60f00000e5f0,0x60f00000e698)

freed by thread T0 here:

    #0 0x49ce2b in free (/work/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/test/csuite/test_wt2909_checkpoint_integrity+0x49ce2b)

    #1 0x7f49e8d11b00 in fail_file_handle_remove /work/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/ext/test/fail_fs/../../../../ext/test/fail_fs/fail_fs.c:193:2

    #2 0x7f49e8d11b00 in fail_file_close /work/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/ext/test/fail_fs/../../../../ext/test/fail_fs/fail_fs.c:173

    #3 0x551b38 in __wt_close /work/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/../src/os_common/os_fhandle.c:326:8

    #4 0x62617a in __wt_block_manager_create /work/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/../src/block/block_open.c:80:32

    #5 0x5ab5d7 in __create_file /work/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/../src/schema/schema_create.c:88:19

    #6 0x5ab5d7 in __wt_schema_create /work/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/../src/schema/schema_create.c:682

    #7 0x5c003a in __wt_session_create /work/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/../src/session/session_api.c:520

    #8 0x6b7859 in __wt_las_create /work/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/../src/cache/cache_las.c:89:32

    #9 0x4e5d70 in __wt_connection_workers /work/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/../src/conn/conn_open.c:252:32

    #10 0x4c7629 in wiredtiger_open /work/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/../src/conn/conn_api.c:2458:19

    #11 0x4baf6a in subtest_main /work/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/test/csuite/../../../test/csuite/wt2909_checkpoint_integrity/main.c:474:28

    #12 0x4babbb in main /work/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/test/csuite/../../../test/csuite/wt2909_checkpoint_integrity/main.c:632:12

    #13 0x3e6ca206ff in __libc_start_main (/lib64/libc.so.6+0x3e6ca206ff)

previously allocated by thread T0 here:

    #0 0x49d200 in calloc (/work/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/test/csuite/test_wt2909_checkpoint_integrity+0x49d200)

    #1 0x7f49e8d11264 in fail_fs_open /work/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/ext/test/fail_fs/../../../../ext/test/fail_fs/fail_fs.c:590:17

    #2 0x550d53 in __wt_open /work/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/../src/os_common/os_fhandle.c:258:19

    #3 0x6259a0 in __wt_block_manager_create /work/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/../src/block/block_open.c:47:14

    #4 0x5ab5d7 in __create_file /work/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/../src/schema/schema_create.c:88:19

    #5 0x5ab5d7 in __wt_schema_create /work/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/../src/schema/schema_create.c:682

    #6 0x5c003a in __wt_session_create /work/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/../src/session/session_api.c:520

    #7 0x6b7859 in __wt_las_create /work/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/../src/cache/cache_las.c:89:32

    #8 0x4e5d70 in __wt_connection_workers /work/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/../src/conn/conn_open.c:252:32

    #9 0x4c7629 in wiredtiger_open /work/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/../src/conn/conn_api.c:2458:19

    #10 0x4baf6a in subtest_main /work/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/test/csuite/../../../test/csuite/wt2909_checkpoint_integrity/main.c:474:28

    #11 0x4babbb in main /work/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/test/csuite/../../../test/csuite/wt2909_checkpoint_integrity/main.c:632:12

    #12 0x3e6ca206ff in __libc_start_main (/lib64/libc.so.6+0x3e6ca206ff)

Thread T3 created by T0 here:

    #0 0x484cdf in __interceptor_pthread_create (/work/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/test/csuite/test_wt2909_checkpoint_integrity+0x484cdf)

    #1 0x55b00f in __wt_thread_create /work/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/../src/os_posix/os_thread.c:22:84

    #2 0x4e1770 in __wt_logmgr_open /work/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/../src/conn/conn_log.c:977:33

    #3 0x4e5d58 in __wt_connection_workers /work/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/../src/conn/conn_open.c:246:32

    #4 0x4c7629 in wiredtiger_open /work/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/../src/conn/conn_api.c:2458:19

    #5 0x4baf6a in subtest_main /work/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/test/csuite/../../../test/csuite/wt2909_checkpoint_integrity/main.c:474:28

    #6 0x4babbb in main /work/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/test/csuite/../../../test/csuite/wt2909_checkpoint_integrity/main.c:632:12

    #7 0x3e6ca206ff in __libc_start_main (/lib64/libc.so.6+0x3e6ca206ff)

SUMMARY: AddressSanitizer: heap-use-after-free /work/jenkins/workspace/wiredtiger-clang-sanitizer/build_posix/ext/test/fail_fs/../../../../ext/test/fail_fs/fail_fs.c:623 fail_fs_open

Shadow bytes around the buggy address:

  0x0c1e7fff9c80: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa

  0x0c1e7fff9c90: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa

  0x0c1e7fff9ca0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa

  0x0c1e7fff9cb0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fd fd

  0x0c1e7fff9cc0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd

=>0x0c1e7fff9cd0: fd[fd]fd fa fa fa fa fa fa fa fa fa fd fd fd fd

  0x0c1e7fff9ce0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd

  0x0c1e7fff9cf0: fd fa fa fa fa fa fa fa fa fa 00 00 00 00 00 00

  0x0c1e7fff9d00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fa

  0x0c1e7fff9d10: fa fa fa fa fa fa fa fa fd fd fd fd fd fd fd fd

  0x0c1e7fff9d20: fd fd fd fd fd fd fd fd fd fd fd fd fd fa fa fa

Shadow byte legend (one shadow byte represents 8 application bytes):

  Addressable:           00

  Partially addressable: 01 02 03 04 05 06 07 

  Heap left redzone:       fa

  Heap right redzone:      fb

  Freed heap region:       fd

  Stack left redzone:      f1

  Stack mid redzone:       f2

  Stack right redzone:     f3

  Stack partial redzone:   f4

  Stack after return:      f5

  Stack use after scope:   f8

  Global redzone:          f9

  Global init order:       f6

  Poisoned by user:        f7

  Container overflow:      fc

  ASan internal:           fe

==75043==ABORTING