(gdb) where
#0  0x0000003788a78c33 in _int_malloc () from /lib64/libc.so.6
WT-1  0x0000003788a79fff in _int_memalign () from /lib64/libc.so.6
WT-2  0x0000003788a7a702 in memalign () from /lib64/libc.so.6
WT-3  0x0000003788a7a919 in posix_memalign () from /lib64/libc.so.6
WT-4  0x000000000042b39d in __wt_realloc_aligned (session=0x18a6f60,
    bytes_allocated_ret=0x7fc17cdf99f0, bytes_to_allocate=512,
    retp=0x7fc17cdf99e8) at ../src/os_posix/os_alloc.c:139
WT-5  0x0000000000444533 in __wt_buf_grow (session=0x18a6f60,
    buf=0x7fc17cdf99d0, size=512) at ../src/support/scratch.c:64
WT-6  0x0000000000444629 in __wt_buf_init (session=0x18a6f60,
    buf=0x7fc17cdf99d0, size=512) at ../src/support/scratch.c:100
WT-7  0x000000000049fb8b in __wt_block_read_off (session=0x18a6f60,
    block=0x7fc1281d8fd0, buf=0x7fc17cdf99d0, offset=169040896, size=512,
    cksum=651204990) at ../src/block/block_read.c:170
WT-8  0x000000000049f9f7 in __wt_bm_read (bm=0x7fc1281d8ed0, session=0x18a6f60,
    buf=0x7fc17cdf99d0,
    addr=0x7fc1900252da "\343\004\351m\201\344&\320y>\305\060\060\060\060\060\061\063\062\070\067.00/opqrstuvwxyzabcdefghijklmnopqrstuvw \212\343\004˹\201\344\356\255\363\026P\253\060\060\060\060\060\061\063\062\071\071.00/opqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabc \212\343\004\333\177\201\344a\276\345\225)000001"..., addr_size=10)
    at ../src/block/block_read.c:119

############################################
#  RUN PARAMETERS
############################################
auto_throttle=1
firstfit=0
# bitcnt not applicable to this run
bloom=1
bloom_bit_count=39
bloom_hash_count=11
bloom_oldest=0
cache=1
checksum=off
chunk_size=4
compaction=0
compression=none
data_extend=0
data_source=file
delete_pct=2
dictionary=0
file_type=row-store
hot_backups=0
huffman_key=0
huffman_value=0
insert_pct=13
internal_key_truncation=1
internal_page_max=14
key_gap=11
key_max=116
key_min=21
leaf_page_max=9
merge_max=16
merge_threads=3
ops=100000
prefix_compression=0
prefix_compression_min=2
repeat_data_pct=56
reverse=0
rows=100000
runs=100
split_pct=72
statistics=0
threads=27
value_max=1690
value_min=14
# wiredtiger_config not applicable to this run
write_pct=25
############################################