Hi, Per Clang UBSan Clang 10 (64 bits) Postgres 14 (latest)
2020-08-27 01:02:14.930 -03 client backend[42432] pg_regress/create_table STATEMENT: create table defcheck_0 partition of defcheck for values in (0); indexcmds.c:1162:22: runtime error: null pointer passed as argument 2, which is declared to never be null /usr/include/string.h:44:28: note: nonnull attribute specified here SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior indexcmds.c:1162:22 in clog.c:299:10: runtime error: null pointer passed as argument 1, which is declared to never be null /usr/include/string.h:65:33: note: nonnull attribute specified here SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior clog.c:299:10 in indexcmds.c (1162): memcpy(part_oids, partdesc->oids, sizeof(Oid) * nparts); clog.c (299): memcmp(subxids, MyProc->subxids.xids, nsubxids * sizeof(TransactionId)) == 0) xact.c (5285) memcpy(&workspace[i], s->childXids, s->nChildXids * sizeof(TransactionId)); snapmgr.c (590) memcpy(CurrentSnapshot->xip, sourcesnap->xip, sourcesnap->xcnt * sizeof(TransactionId)); snapmgr.c (594) memcpy(CurrentSnapshot->subxip, sourcesnap->subxip, sourcesnap->subxcnt * sizeof(TransactionId)); copyfuncs.c:1190 COPY_POINTER_FIELD(uniqColIdx, from->uniqNumCols * sizeof(AttrNumber)); 1.STATEMENT: CREATE TABLESPACE regress_tblspacewith LOCATION '/usr/src/postgres/src/test/regress/testtablespace' WITH (some_nonexistent_parameter = true); clog.c:299:10: runtime error: null pointer passed as argument 1, which is declared to never be null 2.STATEMENT: CREATE TABLE testschema.dflt (a int PRIMARY KEY USING INDEX TABLESPACE regress_tblspace) PARTITION BY LIST (a); indexcmds.c:1162:22: runtime error: null pointer passed as argument 2, which is declared to never be null 3.STATEMENT: SELECT bool 'nay' AS error; clog.c:299:10: runtime error: null pointer passed as argument 1, which is declared to never be null 4.STATEMENT: SELECT U&'wrong: +0061' UESCAPE '+'; clog.c:299:10: runtime error: null pointer passed as argument 1, which is declared to never be null 5. STATEMENT: ALTER TABLE circles ADD EXCLUDE USING gist (c1 WITH &&, (c2::circle) WITH &&); xact.c:5285:25: runtime error: null pointer passed as argument 2, which is declared to never be null 6.STATEMENT: COMMENT ON CONSTRAINT the_constraint ON DOMAIN no_comments_dom IS 'another bad comment'; snapmgr.c:590:31: runtime error: null pointer passed as argument 2, which is declared to never be null 7.STATEMENT: create trigger my_table_col_update_trig after update of b on my_table referencing new table as new_table for each statement execute procedure dump_insert(); clog.c:299:10: runtime error: null pointer passed as argument 1, which is declared to never be null /usr/include/string.h:65:33: note: nonnull attribute specified here SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior clog.c:299:10 in xact.c:5285:25: runtime error: null pointer passed as argument 2, which is declared to never be null /usr/include/string.h:44:28: note: nonnull attribute specified here SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior xact.c:5285:25 in snapmgr.c:590:31: runtime error: null pointer passed as argument 2, which is declared to never be null /usr/include/string.h:44:28: note: nonnull attribute specified here SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior snapmgr.c:590:31 in snapmgr.c:594:34: runtime error: null pointer passed as argument 2, which is declared to never be null /usr/include/string.h:44:28: note: nonnull attribute specified here SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior snapmgr.c:594:34 in clog.c:299:10: runtime error: null pointer passed as argument 1, which is declared to never be null /usr/include/string.h:65:33: note: nonnull attribute specified here SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior clog.c:299:10 in clog.c:299:10: runtime error: null pointer passed as argument 1, which is declared to never be null /usr/include/string.h:65:33: note: nonnull attribute specified here SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior clog.c:299:10 in 8. clog.c:299:10: runtime error: null pointer passed as argument 1, which is declared to never be null /usr/include/string.h:65:33: note: nonnull attribute specified here SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior clog.c:299:10 in clog.c:299:10: runtime error: null pointer passed as argument 1, which is declared to never be null /usr/include/string.h:65:33: note: nonnull attribute specified here SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior clog.c:299:10 in 8.STATEMENT: select array_fill(1, array[[1,2],[3,4]]); copyfuncs.c:1190:2: runtime error: null pointer passed as argument 2, which is declared to never be null I stopped counting clog.c (299). If anyone wants, the full report, it has 2mb. Ranier Vilela