Memory leak detected for prepared transaction commit

==10233==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 268800 byte(s) in 3 object(s) allocated from:

    #0 0x4c8559 in posix_memalign (/mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/test/format/t+0x4c8559)

    #1 0x743f19 in __wt_realloc_aligned /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/os_common/os_alloc.c:202:20

    #2 0x8821e4 in __wt_buf_grow_worker /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/support/scratch.c:45:13

    #3 0x9910cf in __wt_buf_grow /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/include/buf.i:17:54

    #4 0x990d9c in __wt_buf_init /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/include/buf.i:49:13

    #5 0x98e7a1 in __wt_block_read_off /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/block/block_read.c:246:5

    #6 0x98d8f0 in __wt_bm_read /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/block/block_read.c:99:5

    #7 0x55e361 in __wt_bt_read /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/btree/bt_io.c:38:9

    #8 0x566005 in __ovfl_read /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/btree/bt_ovfl.c:30:5

    #9 0x565eb7 in __wt_ovfl_read /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/btree/bt_ovfl.c:71:15

    #10 0xa5bce3 in __cell_data_ref /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/include/cell.i:1101:9

    #11 0xa5e3e5 in __wt_page_cell_data_ref /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/include/cell.i:1142:13

    #12 0xa549f9 in __inmem_row_leaf /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/btree/bt_page.c:613:17

    #13 0xa4fe31 in __wt_page_inmem /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/btree/bt_page.c:215:9

    #14 0xa7020c in __page_read /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/btree/bt_read.c:163:11

    #15 0xa6d54c in __wt_page_in_func /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/btree/bt_read.c:264:13

    #16 0xb56d9e in __wt_page_swap_func /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/include/btree.i:1649:11

    #17 0xb52664 in __wt_row_search /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/btree/row_srch.c:423:20

    #18 0x9f5733 in __cursor_row_search /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/btree/bt_cursor.c:367:5

    #19 0x9f5019 in __wt_btcur_search_prepared /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/btree/bt_cursor.c:451:5

    #20 0x8db1b1 in __txn_search_prepared_op /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/txn/txn.c:855:5

    #21 0x8ca62d in __txn_resolve_prepared_op /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/txn/txn.c:886:5

    #22 0x8c7a1c in __wt_txn_commit /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/txn/txn.c:1351:21

    #23 0x82aa28 in __session_commit_transaction /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/session/session_api.c:1649:15

    #24 0x516be1 in commit_transaction /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/test/format/../../../test/format/ops.c:453:5

    #25 0x5142fa in ops /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/test/format/../../../test/format/ops.c:986:13

    #26 0x7f3c240586da in start_thread (/lib/x86_64-linux-gnu/libpthread.so.0+0x76da)

############################################

#  RUN PARAMETERS: V2

############################################

assert.commit_timestamp=0

assert.read_timestamp=0

backup=0

backup.incremental=off

btree.bitcnt=3

btree.compression=none

btree.dictionary=0

btree.huffman_key=0

btree.huffman_value=0

btree.internal_key_truncation=1

btree.internal_page_max=12

btree.key_gap=9

btree.key_max=82

btree.key_min=31

btree.leaf_page_max=15

btree.memory_page_max=5

btree.prefix_compression=0

btree.prefix_compression_min=6

btree.repeat_data_pct=26

btree.reverse=0

btree.split_pct=50

btree.value_max=3253

btree.value_min=17

cache=56

cache.evict_max=3

cache.minimum=20

checkpoint=on

checkpoint.log_size=127

checkpoint.wait=68

disk.checksum=uncompressed

disk.data_extend=0

disk.direct_io=0

disk.encryption=none

disk.firstfit=0

disk.mmap=1

disk.mmap_all=0

format.abort=0

format.independent_thread_rng=1

format.major_timeout=0

logging=0

logging.archive=0

logging.compression=none

logging.file_max=128342

logging.prealloc=0

lsm.auto_throttle=1

lsm.bloom=1

lsm.bloom_bit_count=40

lsm.bloom_hash_count=10

lsm.bloom_oldest=0

lsm.chunk_size=5

lsm.merge_max=10

lsm.worker_threads=4

ops.alter=0

ops.compaction=0

ops.pct.delete=35

ops.pct.insert=20

ops.pct.modify=14

ops.pct.read=14

ops.pct.write=17

ops.prepare=1

ops.random_cursor=0

ops.rebalance=1

ops.salvage=1

ops.truncate=1

ops.verify=1

quiet=1

runs=1

runs.in_memory=0

runs.ops=0

runs.rows=1000000

runs.source=table

runs.threads=4

runs.timer=6

runs.type=row-store

statistics=1

statistics.server=0

stress.aggressive_sweep=0

stress.checkpoint=0

stress.hs_sweep=0

stress.split_1=0

stress.split_2=0

stress.split_3=0

stress.split_4=0

stress.split_5=1

stress.split_6=0

stress.split_7=0

stress.split_8=0

transaction.frequency=100

transaction.isolation=snapshot

transaction.timestamps=1

wiredtiger.config=

wiredtiger.rwlock=1

wiredtiger.leak_memory=0

############################################