############################################
#  RUN PARAMETERS
############################################
abort=0
alter=0
auto_throttle=1
backups=1
bitcnt=8
bloom=1
bloom_bit_count=59
bloom_hash_count=26
bloom_oldest=0
cache=30
checkpoints=1
checksum=uncompressed
chunk_size=1
compaction=0
compression=snappy
data_extend=0
data_source=lsm
delete_pct=6
dictionary=0
direct_io=0
encryption=rotn-7
evict_max=5
file_type=row-store
firstfit=0
huffman_key=0
huffman_value=0
in_memory=0
insert_pct=90
internal_key_truncation=1
internal_page_max=14
isolation=read-uncommitted
key_gap=6
key_max=89
key_min=10
leaf_page_max=11
leak_memory=0
logging=0
logging_archive=1
logging_compression=none
logging_prealloc=0
long_running_txn=0
lsm_worker_threads=4
merge_max=19
mmap=1
ops=100000
prefix_compression=1
prefix_compression_min=6
quiet=1
read_pct=0
rebalance=1
repeat_data_pct=81
reverse=0
rows=100000
runs=1
salvage=1
split_pct=85
statistics=0
statistics_server=0
threads=20
timer=20
transaction-frequency=43
value_max=2451
value_min=17
verify=1
wiredtiger_config=
write_pct=4
############################################

==26664==ERROR: AddressSanitizer: heap-use-after-free on address 0x61b002240e8d at pc 0xd983d0 bp 0x7f1335f81f70 sp 0x7f1335f81f68
READ of size 1 at 0x61b002240e8d thread T32
    #0 0xd983cf in __wt_lex_compare_skip /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/include/btree_cmp.i:167
    #1 0xd89634 in __wt_compare_skip /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/include/btree_cmp.i:185:11
    #2 0xd884e1 in __wt_search_insert /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/btree/row_srch.c:102:34
    #3 0xd915a7 in __wt_row_search /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/btree/row_srch.c:619
    #4 0x10e9acf in __cursor_row_search /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/btree/bt_cursor.c:358
    #5 0x10fc3a8 in __btcur_update /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/btree/bt_cursor.c:1064:20
    #6 0x10fa078 in __wt_btcur_reserve /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/btree/bt_cursor.c:1143
    #7 0xe4a46e in __curfile_reserve /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/cursor/cur_file.c:353
    #8 0xf880b5 in __clsm_put /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/lsm/lsm_cursor.c:1482
    #9 0xf704e5 in __clsm_reserve /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/lsm/lsm_cursor.c:1667:9
    #10 0x4a77ad in row_reserve /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/test/format/../../../test/format/ops.c:1126
    #11 0x49e5cf in ops /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/test/format/../../../test/format/ops.c:647
    #12 0x7f1350e18dc4 in start_thread (/lib64/libpthread.so.0+0x7dc4)
    #13 0x7f134fffc73c in __clone (/lib64/libc.so.6+0xf773c)

0x61b002240e8d is located 269 bytes inside of 1482-byte region [0x61b002240d80,0x61b00224134a)
freed by thread T1 here:
    #0 0x467f49 in __interceptor_free (/mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/test/format/t+0x467f49)
    #1 0x753680 in __wt_free_int /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/os_common/os_alloc.c:309
    #2 0xb3d435 in __page_out_int /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/btree/bt_discard.c:156
    #3 0xb3bb2f in __wt_ref_out_int /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/btree/bt_discard.c:60
    #4 0xb3d8f6 in __wt_ref_out /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/btree/bt_discard.c:70
    #5 0x6472aa in __evict_page_clean_update /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/evict/evict_page.c:255
    #6 0x6423cf in __wt_evict /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/evict/evict_page.c:164
    #7 0x60ef80 in __evict_page /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/evict/evict_lru.c:2147
    #8 0x6021bd in __evict_lru_pages /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/evict/evict_lru.c:1151
    #9 0x625d19 in __evict_pass /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/evict/evict_lru.c:708
    #10 0x600054 in __evict_server /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/evict/evict_lru.c:408
    #11 0x5fec6c in __wt_evict_thread_run /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/evict/evict_lru.c:313
    #12 0xa23fcd in __thread_run /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/support/thread_group.c:31
    #13 0x7f1350e18dc4 in start_thread (/lib64/libpthread.so.0+0x7dc4)

previously allocated by thread T45 here:
    #0 0x4682c3 in realloc (/mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/test/format/t+0x4682c3)
    #1 0x750d0e in __realloc_func /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/os_common/os_alloc.c:130
    #2 0x7516e7 in __wt_realloc_noclear /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/os_common/os_alloc.c:171
    #3 0x9e0c84 in __wt_buf_grow_worker /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/support/scratch.c:48
    #4 0xb866ce in __wt_buf_grow /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/include/buf.i:18
    #5 0xb86a78 in __wt_buf_init /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/include/buf.i:52:10
    #6 0xb7e949 in __wt_buf_initsize /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/include/buf.i:62:32
    #7 0xb7be70 in __wt_bt_read /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/btree/bt_io.c:92:20
    #8 0xbd507e in __page_read /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/btree/bt_read.c:414
    #9 0xbd0671 in __wt_page_in_func /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/btree/bt_read.c:524
    #10 0xd99793 in __wt_page_swap_func /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/include/btree.i:1454
    #11 0xd8d524 in __wt_row_search /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/btree/row_srch.c:445:14
    #12 0x10e9acf in __cursor_row_search /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/btree/bt_cursor.c:358
    #13 0x10e6d7c in __wt_btcur_search /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/btree/bt_cursor.c:457:47
    #14 0xe40a34 in __curfile_search /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/cursor/cur_file.c:187
    #15 0xf85214 in __clsm_lookup /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/lsm/lsm_cursor.c:1225
    #16 0xf70386 in __clsm_reserve /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/lsm/lsm_cursor.c:1666
    #17 0x4a77ad in row_reserve /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/test/format/../../../test/format/ops.c:1126
    #18 0x49e5cf in ops /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/test/format/../../../test/format/ops.c:647
    #19 0x7f1350e18dc4 in start_thread (/lib64/libpthread.so.0+0x7dc4)

Thread T32 created by T0 here:
    #0 0x457582 in __interceptor_pthread_create (/mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/test/format/t+0x457582)
    #1 0x497607 in wts_ops /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/test/format/../../../test/format/ops.c:120
    #2 0x4b973d in main /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/test/format/../../../test/format/t.c:209
    #3 0x7f134ff26b34 in __libc_start_main (/lib64/libc.so.6+0x21b34)

Thread T1 created by T0 here:
    #0 0x457582 in __interceptor_pthread_create (/mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/test/format/t+0x457582)
    #1 0x79ac1a in __wt_thread_create /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/os_posix/os_thread.c:29
    #2 0xa1c5fc in __thread_group_resize /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/support/thread_group.c:214
    #3 0xa1e059 in __wt_thread_group_create /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/support/thread_group.c:291
    #4 0x605523 in __wt_evict_create /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/evict/evict_lru.c:494
    #5 0x587354 in __wt_connection_workers /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/conn/conn_open.c:261
    #6 0x4f577f in wiredtiger_open /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/conn/conn_api.c:2457
    #7 0x4cab58 in wts_open /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/test/format/../../../test/format/wts.c:254
    #8 0x4b95c8 in main /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/test/format/../../../test/format/t.c:190
    #9 0x7f134ff26b34 in __libc_start_main (/lib64/libc.so.6+0x21b34)

Thread T45 created by T0 here:
    #0 0x457582 in __interceptor_pthread_create (/mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/test/format/t+0x457582)
    #1 0x497607 in wts_ops /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/test/format/../../../test/format/ops.c:120
    #2 0x4b973d in main /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/test/format/../../../test/format/t.c:209
    #3 0x7f134ff26b34 in __libc_start_main (/lib64/libc.so.6+0x21b34)

SUMMARY: AddressSanitizer: heap-use-after-free /mnt/data0/jenkins/workspace/wiredtiger-test-format-stress-sanitizer/build_posix/../src/include/btree_cmp.i:167 __wt_lex_compare_skip
Shadow bytes around the buggy address:
  0x0c3680440180: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fa
  0x0c3680440190: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c36804401a0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c36804401b0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0c36804401c0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
=>0x0c36804401d0: fd[fd]fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0c36804401e0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0c36804401f0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0c3680440200: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0c3680440210: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0c3680440220: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
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
  ASan internal:         fe
==26664==ABORTING