60: file, row-store (611 seconds)
=================================================================
==23631==ERROR: AddressSanitizer: heap-use-after-free on address 0x60c00001fe60 at pc 0x0000006dfe4e bp 0x7f2c67f97d50 sp
 0x7f2c67f97d48
READ of size 1 at 0x60c00001fe60 thread T3147
    #0 0x6dfe4d in __split_parent /home/ec2-user/work/wiredtiger/src/btree/bt_split.c:880:2
    #1 0x6d7d17 in __split_insert /home/ec2-user/work/wiredtiger/src/btree/bt_split.c:1930:13
    #2 0x6d7d17 in __wt_split_insert /home/ec2-user/work/wiredtiger/src/btree/bt_split.c:2003
    #3 0x546b2d in __evict_review /home/ec2-user/work/wiredtiger/src/evict/evict_page.c:436:12
    #4 0x546b2d in __wt_evict /home/ec2-user/work/wiredtiger/src/evict/evict_page.c:81
    #5 0x542d60 in __evict_page /home/ec2-user/work/wiredtiger/src/evict/evict_lru.c:1488:2
    #6 0x5419ad in __wt_cache_eviction_worker /home/ec2-user/work/wiredtiger/src/evict/evict_lru.c:1567:17
    #7 0x7c749c in __wt_cache_eviction_check /home/ec2-user/work/wiredtiger/./src/include/cache.i:245:10
    #8 0x7c749c in __cursor_enter /home/ec2-user/work/wiredtiger/./src/include/cursor.i:59
    #9 0x7c749c in __curfile_enter /home/ec2-user/work/wiredtiger/./src/include/cursor.i:93
    #10 0x7c749c in __cursor_func_init /home/ec2-user/work/wiredtiger/./src/include/cursor.i:266
    #11 0x7c56f6 in __wt_btcur_search /home/ec2-user/work/wiredtiger/src/btree/bt_cursor.c:335:3
    #12 0x7429bd in __curfile_search /home/ec2-user/work/wiredtiger/src/cursor/cur_file.c:200:2
    #13 0x4f064b in row_remove /home/ec2-user/work/wiredtiger/test/format/ops.c:1155:13
    #14 0x4f064b in ops /home/ec2-user/work/wiredtiger/test/format/ops.c:437
    #15 0x7f2c7dee2dc4 in start_thread (/lib64/libpthread.so.0+0x7dc4)
    #16 0x7f2c7d0c7bdc in __clone (/lib64/libc.so.6+0xf6bdc)

0x60c00001fe60 is located 32 bytes inside of 120-byte region [0x60c00001fe40,0x60c00001feb8)
freed by thread T3150 here:
    #0 0x4c6d92 in free (/mnt/fast/bostic/work/wiredtiger/test/format/t+0x4c6d92)
    #1 0x6a12cf in __wt_page_out /home/ec2-user/work/wiredtiger/src/btree/bt_discard.c:139:2
    #2 0x546174 in __evict_page_dirty_update /home/ec2-user/work/wiredtiger/src/evict/evict_page.c:315:3
    #3 0x546174 in __wt_evict /home/ec2-user/work/wiredtiger/src/evict/evict_page.c:124
    #4 0x542d60 in __evict_page /home/ec2-user/work/wiredtiger/src/evict/evict_lru.c:1488:2
    #5 0x5419ad in __wt_cache_eviction_worker /home/ec2-user/work/wiredtiger/src/evict/evict_lru.c:1567:17
    #6 0x7c749c in __wt_cache_eviction_check /home/ec2-user/work/wiredtiger/./src/include/cache.i:245:10
    #7 0x7c749c in __cursor_enter /home/ec2-user/work/wiredtiger/./src/include/cursor.i:59
    #8 0x7c749c in __curfile_enter /home/ec2-user/work/wiredtiger/./src/include/cursor.i:93
    #9 0x7c749c in __cursor_func_init /home/ec2-user/work/wiredtiger/./src/include/cursor.i:266
    #10 0x7c7edd in __wt_btcur_search_near /home/ec2-user/work/wiredtiger/src/btree/bt_cursor.c:425:3
    #11 0x74320b in __curfile_search_near /home/ec2-user/work/wiredtiger/src/cursor/cur_file.c:222:2
    #12 0x4f3d22 in read_row /home/ec2-user/work/wiredtiger/test/format/ops.c:645:9
    #13 0x4f04f3 in ops /home/ec2-user/work/wiredtiger/test/format/ops.c:494:8
    #14 0x7f2c7dee2dc4 in start_thread (/lib64/libpthread.so.0+0x7dc4)

previously allocated by thread T3121 here:
    #0 0x4c71eb in calloc (/mnt/fast/bostic/work/wiredtiger/test/format/t+0x4c71eb)
    #1 0x57a35b in __wt_calloc /home/ec2-user/work/wiredtiger/src/os_posix/os_alloc.c:60:11
    #2 0x6b1014 in __wt_page_alloc /home/ec2-user/work/wiredtiger/src/btree/bt_page.c:63:2
    #3 0x6b1d55 in __wt_page_inmem /home/ec2-user/work/wiredtiger/src/btree/bt_page.c:194:2
    #4 0x6b8711 in __page_read /home/ec2-user/work/wiredtiger/src/btree/bt_read.c:394:2
    #5 0x6b8711 in __wt_page_in_func /home/ec2-user/work/wiredtiger/src/btree/bt_read.c:488
    #6 0x70055f in __wt_page_swap_func /home/ec2-user/work/wiredtiger/./src/include/btree.i:1310:8
    #7 0x70055f in __tree_walk_internal /home/ec2-user/work/wiredtiger/src/btree/bt_walk.c:504
    #8 0x7b5378 in __wt_btcur_next /home/ec2-user/work/wiredtiger/src/btree/bt_curnext.c:666:3
    #9 0x741dbe in __curfile_next /home/ec2-user/work/wiredtiger/src/cursor/cur_file.c:113:13
    #10 0x72224c in __wt_las_sweep /home/ec2-user/work/wiredtiger/src/cache/cache_las.c:334:27
    #11 0x5244ad in __sweep_server /home/ec2-user/work/wiredtiger/src/conn/conn_sweep.c:285:4
    #12 0x7f2c7dee2dc4 in start_thread (/lib64/libpthread.so.0+0x7dc4)