Major - P3 Fallout of errors coming from new UBSAN Build variants in WT-7552. Within test/csuite/wt3338_partial_update/main.c.
[2021/06/28 05:05:12.512] ../../../test/csuite/wt3338_partial_update/main.c:130:12: runtime error: null pointer passed as argument 1, which is declared to never be null [2021/06/28 05:05:12.512] /usr/include/string.h:60:62: note: nonnull attribute specified here [2021/06/28 05:05:12.512] #0 0x42541e in slow_apply_api /data/mci/ca8a7d950f1bf956b286e945a18a82e9/wiredtiger/build_posix/test/csuite/../../../test/csuite/wt3338_partial_update/main.c:130:5 [2021/06/28 05:05:12.512] #1 0x4236f9 in modify_run /data/mci/ca8a7d950f1bf956b286e945a18a82e9/wiredtiger/build_posix/test/csuite/../../../test/csuite/wt3338_partial_update/main.c:295:13 [2021/06/28 05:05:12.512] #2 0x4233d2 in main /data/mci/ca8a7d950f1bf956b286e945a18a82e9/wiredtiger/build_posix/test/csuite/../../../test/csuite/wt3338_partial_update/main.c:339:5 [2021/06/28 05:05:12.512] #3 0x7fab2acfebf6 in __libc_start_main /build/glibc-S9d2JN/glibc-2.27/csu/../csu/libc-start.c:310 [2021/06/28 05:05:12.512] #4 0x403909 in _start (/data/mci/ca8a7d950f1bf956b286e945a18a82e9/wiredtiger/build_posix/test/csuite/test_wt3338_partial_update+0x403909) [2021/06/28 05:05:12.512] FAIL test_wt3338_partial_update (exit status: 1)
The error is occurring from this piece of code:
memset((uint8_t *)tb->mem, 0xff, tb->memsize);
Verify against UBSAN build once fixed.