==19247==ERROR: AddressSanitizer: heap-use-after-free on address 0x604000fdcad0 at pc 0x0000007a9474 bp 0x7ffbf27ee0b0 sp 0x7ffbf27ee0a8
READ of size 8 at 0x604000fdcad0 thread T15
    #0 0x7a9473 in __wt_txn_rollback /work/jenkins/workspace/wiredtiger-test-race-condition-stress-sanitizer/build_posix/../src/txn/txn.c:1313:5
    #1 0x720a61 in __session_rollback_transaction /work/jenkins/workspace/wiredtiger-test-race-condition-stress-sanitizer/build_posix/../src/session/session_api.c:1817:2
    #2 0x52b932 in rollback_transaction /work/jenkins/workspace/wiredtiger-test-race-condition-stress-sanitizer/build_posix/test/format/../../../test/format/ops.c:481:2
    #3 0x51f0bd in ops /work/jenkins/workspace/wiredtiger-test-race-condition-stress-sanitizer/build_posix/test/format/../../../test/format/ops.c:1031:12
    #4 0x4dde52 in __asan::AsanThread::ThreadStart(unsigned long, __sanitizer::atomic_uintptr_t*) (/work/jenkins/workspace/wiredtiger-test-race-condition-stress-sanitizer/build_posix/test/format/t+0x4dde52)
    #5 0x7ffbfdd3a36c in start_thread (/lib64/libpthread.so.0+0x736c)
    #6 0x7ffbfcf0eb4e in __GI___clone (/lib64/libc.so.6+0x110b4e)

0x604000fdcad0 is located 0 bytes inside of 38-byte region [0x604000fdcad0,0x604000fdcaf6)
freed by thread T32 here:
    #0 0x4d01e8 in __interceptor_free.localalias.0 (/work/jenkins/workspace/wiredtiger-test-race-condition-stress-sanitizer/build_posix/test/format/t+0x4d01e8)
    #1 0x6544d9 in __wt_free_int /work/jenkins/workspace/wiredtiger-test-race-condition-stress-sanitizer/build_posix/../src/os_common/os_alloc.c:327:2
    #2 0x85fdb2 in __wt_free_update_list /work/jenkins/workspace/wiredtiger-test-race-condition-stress-sanitizer/build_posix/../src/btree/bt_discard.c:444:3
    #3 0x861077 in __free_update /work/jenkins/workspace/wiredtiger-test-race-condition-stress-sanitizer/build_posix/../src/btree/bt_discard.c:426:5
    #4 0x85e4fe in __free_page_modify /work/jenkins/workspace/wiredtiger-test-race-condition-stress-sanitizer/build_posix/../src/btree/bt_discard.c:211:4
    #5 0x85c92d in __wt_page_out /work/jenkins/workspace/wiredtiger-test-race-condition-stress-sanitizer/build_posix/../src/btree/bt_discard.c:112:3
    #6 0x85bc48 in __wt_ref_out /work/jenkins/workspace/wiredtiger-test-race-condition-stress-sanitizer/build_posix/../src/btree/bt_discard.c:44:2
    #7 0x608ad5 in __evict_page_dirty_update /work/jenkins/workspace/wiredtiger-test-race-condition-stress-sanitizer/build_posix/../src/evict/evict_page.c:442:5
    #8 0x6037fe in __wt_evict /work/jenkins/workspace/wiredtiger-test-race-condition-stress-sanitizer/build_posix/../src/evict/evict_page.c:205:3
    #9 0x6020e1 in __wt_page_release_evict /work/jenkins/workspace/wiredtiger-test-race-condition-stress-sanitizer/build_posix/../src/evict/evict_page.c:83:8
    #10 0x92d052 in __wt_sync_file /work/jenkins/workspace/wiredtiger-test-race-condition-stress-sanitizer/build_posix/../src/btree/bt_sync.c:328:5
    #11 0x7ba879 in __checkpoint_tree /work/jenkins/workspace/wiredtiger-test-race-condition-stress-sanitizer/build_posix/../src/txn/txn_ckpt.c:1678:3
    #12 0x7c3142 in __checkpoint_tree_helper /work/jenkins/workspace/wiredtiger-test-race-condition-stress-sanitizer/build_posix/../src/txn/txn_ckpt.c:1796:8
    #13 0x7c2f33 in __checkpoint_apply /work/jenkins/workspace/wiredtiger-test-race-condition-stress-sanitizer/build_posix/../src/txn/txn_ckpt.c:217:3
    #14 0x7bd22f in __txn_checkpoint /work/jenkins/workspace/wiredtiger-test-race-condition-stress-sanitizer/build_posix/../src/txn/txn_ckpt.c:908:2
    #15 0x7b8b60 in __txn_checkpoint_wrapper /work/jenkins/workspace/wiredtiger-test-race-condition-stress-sanitizer/build_posix/../src/txn/txn_ckpt.c:1107:8
    #16 0x7b8479 in __wt_txn_checkpoint /work/jenkins/workspace/wiredtiger-test-race-condition-stress-sanitizer/build_posix/../src/txn/txn_ckpt.c:1171:3
    #17 0x724e36 in __session_checkpoint /work/jenkins/workspace/wiredtiger-test-race-condition-stress-sanitizer/build_posix/../src/session/session_api.c:2047:8
    #18 0x539bfe in checkpoint /work/jenkins/workspace/wiredtiger-test-race-condition-stress-sanitizer/build_posix/test/format/../../../test/format/util.c:563:3
    #19 0x4dde52 in __asan::AsanThread::ThreadStart(unsigned long, __sanitizer::atomic_uintptr_t*) (/work/jenkins/workspace/wiredtiger-test-race-condition-stress-sanitizer/build_posix/test/format/t+0x4dde52)

previously allocated by thread T15 here:
    #0 0x4d05a8 in calloc (/work/jenkins/workspace/wiredtiger-test-race-condition-stress-sanitizer/build_posix/test/format/t+0x4d05a8)
    #1 0x652d20 in __wt_calloc /work/jenkins/workspace/wiredtiger-test-race-condition-stress-sanitizer/build_posix/../src/os_common/os_alloc.c:52:11
    #2 0x985209 in __wt_update_alloc /work/jenkins/workspace/wiredtiger-test-race-condition-stress-sanitizer/build_posix/../src/btree/row_modify.c:290:3
    #3 0x983122 in __wt_row_modify /work/jenkins/workspace/wiredtiger-test-race-condition-stress-sanitizer/build_posix/../src/btree/row_modify.c:97:4
    #4 0x83e0c6 in __cursor_row_modify /work/jenkins/workspace/wiredtiger-test-race-condition-stress-sanitizer/build_posix/../src/btree/bt_cursor.c:446:10
    #5 0x840157 in __wt_btcur_remove /work/jenkins/workspace/wiredtiger-test-race-condition-stress-sanitizer/build_posix/../src/btree/bt_cursor.c:1089:7
    #6 0xa27c14 in __curfile_remove /work/jenkins/workspace/wiredtiger-test-race-condition-stress-sanitizer/build_posix/../src/cursor/cur_file.c:409:2
    #7 0x525d1d in row_remove /work/jenkins/workspace/wiredtiger-test-race-condition-stress-sanitizer/build_posix/test/format/../../../test/format/ops.c:1832:9
    #8 0x51daa9 in ops /work/jenkins/workspace/wiredtiger-test-race-condition-stress-sanitizer/build_posix/test/format/../../../test/format/ops.c:857:11
    #9 0x4dde52 in __asan::AsanThread::ThreadStart(unsigned long, __sanitizer::atomic_uintptr_t*) (/work/jenkins/workspace/wiredtiger-test-race-condition-stress-sanitizer/build_posix/test/format/t+0x4dde52)

Thread T15 created by T0 here:
    #0 0x433890 in pthread_create (/work/jenkins/workspace/wiredtiger-test-race-condition-stress-sanitizer/build_posix/test/format/t+0x433890)
    #1 0x6707f0 in __wt_thread_create /work/jenkins/workspace/wiredtiger-test-race-condition-stress-sanitizer/build_posix/../src/os_posix/os_thread.c:30:2
    #2 0x519826 in wts_ops /work/jenkins/workspace/wiredtiger-test-race-condition-stress-sanitizer/build_posix/test/format/../../../test/format/ops.c:173:3
    #3 0x5341ff in main /work/jenkins/workspace/wiredtiger-test-race-condition-stress-sanitizer/build_posix/test/format/../../../test/format/t.c:221:5
    #4 0x7ffbfce1e889 in __libc_start_main (/lib64/libc.so.6+0x20889)

Thread T32 created by T0 here:
    #0 0x433890 in pthread_create (/work/jenkins/workspace/wiredtiger-test-race-condition-stress-sanitizer/build_posix/test/format/t+0x433890)
    #1 0x6707f0 in __wt_thread_create /work/jenkins/workspace/wiredtiger-test-race-condition-stress-sanitizer/build_posix/../src/os_posix/os_thread.c:30:2
    #2 0x519b13 in wts_ops /work/jenkins/workspace/wiredtiger-test-race-condition-stress-sanitizer/build_posix/test/format/../../../test/format/ops.c:188:3
    #3 0x5341ff in main /work/jenkins/workspace/wiredtiger-test-race-condition-stress-sanitizer/build_posix/test/format/../../../test/format/t.c:221:5
    #4 0x7ffbfce1e889 in __libc_start_main (/lib64/libc.so.6+0x20889)

SUMMARY: AddressSanitizer: heap-use-after-free /work/jenkins/workspace/wiredtiger-test-race-condition-stress-sanitizer/build_posix/../src/txn/txn.c:1313:5 in __wt_txn_rollback


############################################
#  RUN PARAMETERS
############################################
abort=0
alter=0
assert_commit_timestamp=0
assert_read_timestamp=0
auto_throttle=1
backups=0
bitcnt=8
bloom=1
bloom_bit_count=21
bloom_hash_count=27
bloom_oldest=0
cache=88
cache_minimum=20
checkpoints=on
checkpoint_log_size=160
checkpoint_wait=51
checksum=uncompressed
chunk_size=10
compaction=0
compression=snappy
data_extend=0
data_source=file
delete_pct=34
dictionary=0
direct_io=0
encryption=none
evict_max=0
file_type=row-store
firstfit=0
huffman_key=0
huffman_value=0
independent_thread_rng=1
in_memory=0
insert_pct=2
internal_key_truncation=1
internal_page_max=11
isolation=snapshot
key_gap=8
key_max=121
key_min=13
leaf_page_max=12
leak_memory=0
logging=0
logging_archive=0
logging_compression=none
logging_file_max=331783
logging_prealloc=0
long_running_txn=0
lsm_worker_threads=4
memory_page_max=2
merge_max=7
mmap=1
modify_pct=10
ops=0
prefix_compression=0
prefix_compression_min=0
prepare=0
quiet=1
read_pct=1
rebalance=1
repeat_data_pct=8
reverse=1
rows=1000000
runs=1
salvage=1
split_pct=61
statistics=0
statistics_server=0
threads=22
timer=4
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=1
timing_stress_split_4=1
timing_stress_split_5=1
timing_stress_split_6=0
timing_stress_split_7=1
timing_stress_split_8=0
transaction_timestamps=1
transaction-frequency=100
truncate=1
value_max=1780
value_min=6
verify=1
wiredtiger_config=
write_pct=53
############################################