Details
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Bug
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Status: Stalled (View Workflow)
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Major
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Resolution: Unresolved
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10.5, 10.4(EOL)
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None
Description
Note: Technically there are no virtual columns in the scenario, so it's blamed upon the next component in line (unique blobs), but given the existing marked_for_read bugs with virtual columns, this one may end up there as well.
--source include/have_innodb.inc
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CREATE TABLE t1 (id INT, f TEXT UNIQUE, d DATE, PRIMARY KEY (id)) ENGINE=InnoDB; |
INSERT INTO t1 VALUES |
(1,NULL,'2001-11-16'),(2,NULL,'2007-07-01'),(3,NULL,'2020-02-03'), |
(4,NULL,'1971-05-24'),(5,NULL,'1971-05-24'),(6,NULL,'1985-02-07'); |
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ANALYZE TABLE t1 PERSISTENT FOR ALL; |
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# Cleanup
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DROP TABLE t1; |
On a non-debug build, the SIGSEGV is sporadic, run with --repeat. Alternatively, a build with RelWithDebInfo and ASAN can be used. It fails with SEGV the same way, but seemingly deterministically.
10.4 f544a712 RelWithDebInfo (normal build, without ASAN) |
#3 <signal handler called>
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#4 0x000055f366a6ff19 in skip_trailing_space (len=<optimized out>, ptr=0x7f8cf8 <error: Cannot access memory at address 0x7f8cf8>) at /data/src/10.5/strings/strings_def.h:95
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#5 my_hash_sort_simple (cs=0x55f367498dc0 <my_charset_latin1>, key=0x7f8cf8 <error: Cannot access memory at address 0x7f8cf8>, len=<optimized out>, nr1=0x7f8d2814c650, nr2=0x7f8d2814c658) at /data/src/10.5/strings/ctype-simple.c:367
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#6 0x000055f36653dc82 in charset_info_st::hash_sort (nr2=0x7f8d2814c658, nr1=0x7f8d2814c650, len=<optimized out>, key=<optimized out>, this=<optimized out>) at /data/src/10.5/include/m_ctype.h:834
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#7 calc_hash_for_unique (str=0x7f8cf8ab2078, nr2=@0x7f8d2814c658: 16, nr1=@0x7f8d2814c650: 10044593846) at /data/src/10.5/sql/item_func.cc:1745
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#8 Item_func_hash::val_int (this=0x7f8cf8aa3668) at /data/src/10.5/sql/item_func.cc:1762
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#9 0x000055f366509026 in Item::save_int_in_field (this=0x7f8cf8aa3668, field=0x7f8cf8aa33b0, no_conversions=<optimized out>) at /data/src/10.5/sql/item.cc:6559
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#10 0x000055f3664fc54c in Item::save_in_field (this=0x7f8cf8aa3668, field=0x7f8cf8aa33b0, no_conversions=<optimized out>) at /data/src/10.5/sql/item.cc:6569
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#11 0x000055f3663c0ccc in TABLE::update_virtual_fields (this=0x7f8cf806c998, h=h@entry=0x7f8cf80e8ed0, update_mode=update_mode@entry=VCOL_UPDATE_FOR_READ) at /data/src/10.5/sql/table.cc:8489
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#12 0x000055f3664ecd76 in handler::ha_rnd_next (this=this@entry=0x7f8cf80e8ed0, buf=0x7f8cf8aa2fb8 "\004\006") at /data/src/10.5/sql/handler.cc:3006
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#13 0x000055f36637df63 in collect_statistics_for_table (thd=thd@entry=0x7f8cf80009b8, table=0x7f8cf806c998) at /data/src/10.5/sql/sql_statistics.cc:2761
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#14 0x000055f3663f7ad0 in mysql_admin_table (thd=thd@entry=0x7f8cf80009b8, tables=tables@entry=0x7f8cf80103e8, check_opt=check_opt@entry=0x7f8cf8005aa0, operator_name=operator_name@entry=0x55f366af37f2 "analyze", lock_type=lock_type@entry=TL_READ_NO_INSERT, org_open_for_modify=org_open_for_modify@entry=true, repair_table_use_frm=false, extra_open_options=0, prepare_func=0x0, operator_func=<optimized out>, view_operator_func=0x0) at /data/src/10.5/sql/sql_admin.cc:886
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#15 0x000055f3663f80ed in Sql_cmd_analyze_table::execute (this=<optimized out>, thd=0x7f8cf80009b8) at /data/src/10.5/sql/sql_admin.cc:1316
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#16 0x000055f366308238 in mysql_execute_command (thd=thd@entry=0x7f8cf80009b8) at /data/src/10.5/sql/sql_parse.cc:5912
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#17 0x000055f36630f1cb in mysql_parse (thd=thd@entry=0x7f8cf80009b8, rawbuf=<optimized out>, length=35, parser_state=parser_state@entry=0x7f8d2814d550, is_com_multi=is_com_multi@entry=false, is_next_command=is_next_command@entry=false) at /data/src/10.5/sql/sql_parse.cc:7957
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#18 0x000055f366304d9d in dispatch_command (command=command@entry=COM_QUERY, thd=thd@entry=0x7f8cf80009b8, packet=packet@entry=0x7f8cf8007c69 "", packet_length=packet_length@entry=35, is_com_multi=is_com_multi@entry=false, is_next_command=is_next_command@entry=false) at /data/src/10.5/sql/sql_parse.cc:1840
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#19 0x000055f3663031f1 in do_command (thd=0x7f8cf80009b8) at /data/src/10.5/sql/sql_parse.cc:1359
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#20 0x000055f3663ead84 in do_handle_one_connection (connect=<optimized out>, connect@entry=0x55f36a30ff38, put_in_cache=put_in_cache@entry=true) at /data/src/10.5/sql/sql_connect.cc:1422
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#21 0x000055f3663eb083 in handle_one_connection (arg=arg@entry=0x55f36a30ff38) at /data/src/10.5/sql/sql_connect.cc:1319
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#22 0x000055f366705454 in pfs_spawn_thread (arg=0x55f36a2cf5e8) at /data/src/10.5/storage/perfschema/pfs.cc:2201
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#23 0x00007f8d2e5ae4a4 in start_thread (arg=0x7f8d2814e700) at pthread_create.c:456
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#24 0x00007f8d2c6e2d0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97
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10.5 debug build currently fails every time for me on the assertion:
10.5 0186b0a0 |
mariadbd: /data/src/10.5/sql/field.cc:8434: virtual String* Field_blob::val_str(String*, String*): Assertion `marked_for_read()' failed.
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200513 21:20:55 [ERROR] mysqld got signal 6 ;
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#6 0x00007efc71df3e67 in __assert_fail_base (fmt=<optimized out>, assertion=assertion@entry=0x55e56b7ba168 "marked_for_read()", file=file@entry=0x55e56b7b9fa3 "/data/src/10.5/sql/field.cc", line=line@entry=8434, function=function@entry=0x55e56b7bf5c0 <Field_blob::val_str(String*, String*)::__PRETTY_FUNCTION__> "virtual String* Field_blob::val_str(String*, String*)") at assert.c:92
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#7 0x00007efc71df3f12 in __GI___assert_fail (assertion=0x55e56b7ba168 "marked_for_read()", file=0x55e56b7b9fa3 "/data/src/10.5/sql/field.cc", line=8434, function=0x55e56b7bf5c0 <Field_blob::val_str(String*, String*)::__PRETTY_FUNCTION__> "virtual String* Field_blob::val_str(String*, String*)") at assert.c:101
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#8 0x000055e56ab744d1 in Field_blob::val_str (this=0x7efc3c009b38, val_buffer=0x7efc3c21db88, val_ptr=0x7efc3c21db88) at /data/src/10.5/sql/field.cc:8434
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#9 0x000055e56abbee0e in Item_field::val_str (this=0x7efc3c21db50, str=0x7efc3c21db88) at /data/src/10.5/sql/item.cc:3187
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#10 0x000055e56a8dc9ae in Item::val_str (this=0x7efc3c21db50) at /data/src/10.5/sql/item.h:914
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#11 0x000055e56ac22143 in Item_func_hash::val_int (this=0x7efc3c00a488) at /data/src/10.5/sql/item_func.cc:1756
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#12 0x000055e56abc9324 in Item::save_int_in_field (this=0x7efc3c00a488, field=0x7efc3c00a1d0, no_conversions=false) at /data/src/10.5/sql/item.cc:6559
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#13 0x000055e56aa808d6 in Type_handler_int_result::Item_save_in_field (this=0x55e56c3e19e0 <type_handler_slong>, item=0x7efc3c00a488, field=0x7efc3c00a1d0, no_conversions=false) at /data/src/10.5/sql/sql_type.cc:4205
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#14 0x000055e56abc93d1 in Item::save_in_field (this=0x7efc3c00a488, field=0x7efc3c00a1d0, no_conversions=false) at /data/src/10.5/sql/item.cc:6569
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#15 0x000055e56a98efe9 in TABLE::update_virtual_fields (this=0x7efc3c0fa688, h=0x7efc3c0fb500, update_mode=VCOL_UPDATE_FOR_READ) at /data/src/10.5/sql/table.cc:8489
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#16 0x000055e56ab9d28e in handler::ha_rnd_next (this=0x7efc3c0fb500, buf=0x7efc3c0099f8 ",\006") at /data/src/10.5/sql/handler.cc:3006
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#17 0x000055e56a919b82 in collect_statistics_for_table (thd=0x7efc3c000b18, table=0x7efc3c0fa688) at /data/src/10.5/sql/sql_statistics.cc:2761
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#18 0x000055e56a9f5816 in mysql_admin_table(THD *, TABLE_LIST *, HA_CHECK_OPT *, const char *, thr_lock_type, bool, bool, uint, int (*)(THD *, TABLE_LIST *, HA_CHECK_OPT *), struct {...}, int (*)(THD *, TABLE_LIST *, HA_CHECK_OPT *)) (thd=0x7efc3c000b18, tables=0x7efc3c013a38, check_opt=0x7efc3c005dc0, operator_name=0x55e56b647237 "analyze", lock_type=TL_READ_NO_INSERT, org_open_for_modify=true, repair_table_use_frm=false, extra_open_options=0, prepare_func=0x0, operator_func=(int (handler::*)(handler * const, THD *, HA_CHECK_OPT *)) 0x55e56aba32ae <handler::ha_analyze(THD*, st_ha_check_opt*)>, view_operator_func=0x0) at /data/src/10.5/sql/sql_admin.cc:886
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#19 0x000055e56a9f7218 in Sql_cmd_analyze_table::execute (this=0x7efc3c014110, thd=0x7efc3c000b18) at /data/src/10.5/sql/sql_admin.cc:1316
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#20 0x000055e56a84a56e in mysql_execute_command (thd=0x7efc3c000b18) at /data/src/10.5/sql/sql_parse.cc:5912
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#21 0x000055e56a8508f2 in mysql_parse (thd=0x7efc3c000b18, rawbuf=0x7efc3c013950 "ANALYZE TABLE t1 PERSISTENT FOR ALL", length=35, parser_state=0x7efc6c37b520, is_com_multi=false, is_next_command=false) at /data/src/10.5/sql/sql_parse.cc:7957
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#22 0x000055e56a83cbfa in dispatch_command (command=COM_QUERY, thd=0x7efc3c000b18, packet=0x7efc3c1b14b9 "", packet_length=35, is_com_multi=false, is_next_command=false) at /data/src/10.5/sql/sql_parse.cc:1840
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#23 0x000055e56a83b38c in do_command (thd=0x7efc3c000b18) at /data/src/10.5/sql/sql_parse.cc:1359
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#24 0x000055e56a9de915 in do_handle_one_connection (connect=0x55e56e3a6608, put_in_cache=true) at /data/src/10.5/sql/sql_connect.cc:1411
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#25 0x000055e56a9de67d in handle_one_connection (arg=0x55e56e3a6608) at /data/src/10.5/sql/sql_connect.cc:1313
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#26 0x000055e56af140ba in pfs_spawn_thread (arg=0x55e56e32f618) at /data/src/10.5/storage/perfschema/pfs.cc:2201
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#27 0x00007efc73d7c4a4 in start_thread (arg=0x7efc6c37c700) at pthread_create.c:456
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#28 0x00007efc71eb0d0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97
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However, it may be just luck, because 10.4 debug (which also almost always fails) happened to pass a few times.
The test case is not applicable to 10.3 due to the unique blob.
Note: We have several open bugs for the failing marked_for_read assertion, but none of them has a non-debug version of the failure, and those that I re-checked on a non-debug ASAN build didn't fail there either.
Attachments
Issue Links
- relates to
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MDEV-21804 Assertion `marked_for_read()' failed upon INSERT into table with long unique blob under binlog_row_image=NOBLOB
- Closed