ASAN:DEADLYSIGNAL
=================================================================
==18327==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 0x0000104417c0 bp 0x3fff8756a8a0 sp 0x3fff8756a800 T15)
==18327==The signal is caused by a UNKNOWN memory access.
==18327==Hint: address points to the zero page.
    #0 0x104417bc in __wt_txn_commit /home/jenkins/jenkins/workspace/wiredtiger-test-format-stress-sanitizer-ppc/build_posix/../src/txn/txn.c:860:9
    #1 0x103abdc4 in __session_commit_transaction /home/jenkins/jenkins/workspace/wiredtiger-test-format-stress-sanitizer-ppc/build_posix/../src/session/session_api.c:1660:9
    #2 0x10160444 in commit_transaction /home/jenkins/jenkins/workspace/wiredtiger-test-format-stress-sanitizer-ppc/build_posix/test/format/../../../test/format/ops.c:564:3
    #3 0x1015dc50 in ops /home/jenkins/jenkins/workspace/wiredtiger-test-format-stress-sanitizer-ppc/build_posix/test/format/../../../test/format/ops.c:1070:4
    #4 0x1010ea9c in __asan::AsanThread::ThreadStart(unsigned long, __sanitizer::atomic_uintptr_t*) /home/dhows/llvm-git/projects/compiler-rt/lib/asan/asan_thread.cc:257
    #5 0x1003b278 in asan_thread_start(void*) /home/dhows/llvm-git/projects/compiler-rt/lib/asan/asan_interceptors.cc:305
    #6 0x3fff91d28940 in start_thread (/lib64/power8/libpthread.so.0+0x8940)
    #7 0x3fff91a7763c in __clone (/lib64/power8/libc.so.6+0x11763c)

AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV /home/jenkins/jenkins/workspace/wiredtiger-test-format-stress-sanitizer-ppc/build_posix/../src/txn/txn.c:860:9 in __wt_txn_commit
Thread T15 created by T0 here:
    #0 0x1003b338 in pthread_create /home/dhows/llvm-git/projects/compiler-rt/lib/asan/asan_interceptors.cc:314
    #1 0x102cec3c in __wt_thread_create /home/jenkins/jenkins/workspace/wiredtiger-test-format-stress-sanitizer-ppc/build_posix/../src/os_posix/os_thread.c:30:2
    #2 0x10157784 in wts_ops /home/jenkins/jenkins/workspace/wiredtiger-test-format-stress-sanitizer-ppc/build_posix/test/format/../../../test/format/ops.c:162:3
    #3 0x10175d94 in main /home/jenkins/jenkins/workspace/wiredtiger-test-format-stress-sanitizer-ppc/build_posix/test/format/../../../test/format/t.c:209:5
    #4 0x3fff9198457c in generic_start_main.isra.0 (/lib64/power8/libc.so.6+0x2457c)
    #5 0x3fff91984770 in __libc_start_main (/lib64/power8/libc.so.6+0x24770)

==18327==ABORTING
+ cleanup
+ status=1
+ '[' -f RUNDIR/CONFIG ']'
+ cat RUNDIR/CONFIG
############################################
#  RUN PARAMETERS
############################################
abort=0
alter=0
auto_throttle=0
backups=1
bitcnt=8
bloom=1
bloom_bit_count=50
bloom_hash_count=8
bloom_oldest=1
cache=69
cache_minimum=0
checkpoints=on
checkpoint_log_size=48
checkpoint_wait=33
checksum=uncompressed
chunk_size=6
compaction=0
compression=zlib
data_extend=0
data_source=table
delete_pct=31
dictionary=0
direct_io=0
encryption=none
evict_max=1
file_type=row-store
firstfit=0
huffman_key=0
huffman_value=0
independent_thread_rng=1
in_memory=0
insert_pct=7
internal_key_truncation=1
internal_page_max=12
isolation=random
key_gap=12
key_max=85
key_min=20
leaf_page_max=9
leak_memory=0
logging=0
logging_archive=1
logging_compression=none
logging_file_max=151989
logging_prealloc=1
long_running_txn=0
lsm_worker_threads=3
merge_max=17
mmap=1
modify_pct=44
ops=100000
prefix_compression=1
prefix_compression_min=7
quiet=1
read_pct=6
rebalance=1
repeat_data_pct=21
reverse=0
rows=100000
runs=1
salvage=1
split_pct=97
statistics=0
statistics_server=0
threads=32
timer=360
transaction_timestamps=1
transaction-frequency=14
truncate=1
value_max=3611
value_min=9
verify=1
wiredtiger_config=
write_pct=12
############################################