[2020/03/04 20:21:01.754] Ch==9110==WARNING: MemorySanitizer: use-of-uninitialized-value
[2020/03/04 20:21:01.754]     #0 0x7f3801cfba82 in __wt_hex /data/mci/5659f07726eda6e76250444747daad32/wiredtiger/build_posix/../src/include/misc.i:29:22
[2020/03/04 20:21:01.754]     #1 0x7f3801cfa2c5 in __fill_hex /data/mci/5659f07726eda6e76250444747daad32/wiredtiger/build_posix/../src/support/hex.c:24:19
[2020/03/04 20:21:01.754]     #2 0x7f3801cfaa88 in __wt_raw_to_hex /data/mci/5659f07726eda6e76250444747daad32/wiredtiger/build_posix/../src/support/hex.c:57:5
[2020/03/04 20:21:01.754]     #3 0x7f38019d18cc in __ckpt_blkmod_to_meta /data/mci/5659f07726eda6e76250444747daad32/wiredtiger/build_posix/../src/meta/meta_ckpt.c:751:9
[2020/03/04 20:21:01.754]     #4 0x7f38019d08be in __wt_meta_ckptlist_set /data/mci/5659f07726eda6e76250444747daad32/wiredtiger/build_posix/../src/meta/meta_ckpt.c:783:13
[2020/03/04 20:21:01.754]     #5 0x7f3801dce1fe in __checkpoint_tree /data/mci/5659f07726eda6e76250444747daad32/wiredtiger/build_posix/../src/txn/txn_ckpt.c:1637:5
[2020/03/04 20:21:01.754]     #6 0x7f3801de0f22 in __checkpoint_tree_helper /data/mci/5659f07726eda6e76250444747daad32/wiredtiger/build_posix/../src/txn/txn_ckpt.c:1718:11
[2020/03/04 20:21:01.754]     #7 0x7f3801de08d6 in __checkpoint_apply_to_dhandles /data/mci/5659f07726eda6e76250444747daad32/wiredtiger/build_posix/../src/txn/txn_ckpt.c:199:9
[2020/03/04 20:21:01.754]     #8 0x7f3801dd3ee1 in __txn_checkpoint /data/mci/5659f07726eda6e76250444747daad32/wiredtiger/build_posix/../src/txn/txn_ckpt.c:864:5
[2020/03/04 20:21:01.754]     #9 0x7f3801dca1a8 in __txn_checkpoint_wrapper /data/mci/5659f07726eda6e76250444747daad32/wiredtiger/build_posix/../src/txn/txn_ckpt.c:1076:11
[2020/03/04 20:21:01.754]     #10 0x7f3801dc93ec in __wt_txn_checkpoint /data/mci/5659f07726eda6e76250444747daad32/wiredtiger/build_posix/../src/txn/txn_ckpt.c:1133:9
[2020/03/04 20:21:01.754]     #11 0x7f3801c93b55 in __session_checkpoint /data/mci/5659f07726eda6e76250444747daad32/wiredtiger/build_posix/../src/session/session_api.c:1971:11
[2020/03/04 20:21:01.754]     #12 0x49797f in main /data/mci/5659f07726eda6e76250444747daad32/wiredtiger/build_posix/test/csuite/../../../test/csuite/incr_backup/main.c:847:17
[2020/03/04 20:21:01.754]     #13 0x7f38000a5812 in __libc_start_main (/lib64/libc.so.6+0x23812)
[2020/03/04 20:21:01.754]     #14 0x41e24d in _start (/data/mci/5659f07726eda6e76250444747daad32/wiredtiger/build_posix/test/csuite/test_incr_backup+0x41e24d)
[2020/03/04 20:21:01.754] SUMMARY: MemorySanitizer: use-of-uninitialized-value /data/mci/5659f07726eda6e76250444747daad32/wiredtiger/build_posix/../src/include/misc.i:29:22 in __wt_hex
[2020/03/04 20:21:01.754] Exiting
[2020/03/04 20:21:01.754] ../../../test/csuite/incr_backup/smoke.sh: line 12:  9110 Aborted                 (core dumped) $TEST_WRAPPER $top_builddir/test/csuite/test_incr_backup -v 3