On 2026-09-19 3:30 p.m., Stuart Henderson wrote:

On 2026/09/19 10:40, Andrew Hewus Fresh wrote:
With the fixed mariadb.port.mk, I was trying to run
p5-DBIx-Class-Schema-Loader.  However, it is getting a SIGABORT and I
see "mariadbd: backwards memcpy" in /var/log/messages.
Thread 15 "one_connection" received signal SIGABRT, Aborted.
[Switching to thread 317856 of process 30711]
thrkill () at /tmp/-:2
⚠️ warning: 2   /tmp/-: No such file or directory
(gdb) bt
#0  thrkill () at /tmp/-:2
#1  0x96c612b201c0d9ee in ?? ()
#2  0x000007589fbfa73b in _libc_abort ()
     at /usr/src/lib/libc/stdlib/abort.c:51
#3  0x000007589fbd69f7 in memcpy (dst0=<optimized out>,
     src0=<optimized out>, length=<optimized out>)
     at /usr/src/lib/libc/string/memcpy.c:74
#4  0x000007589fc19c46 in __sfvwrite (fp=0x75853d385a8,
     uio=0x75853d38550)
     at /usr/src/lib/libc/stdio/fvwrite.c:128
#5  0x000007589fbc5c1a in __sprint (fp=0x75853d385a8,
     uio=<optimized out>)
     at /usr/src/lib/libc/stdio/vfprintf.c:112
#6  __vfprintf (fp=0x75853d385a8,
     fmt0=0x755b36d0123 "%s\377%s", ap=0x75853d38810)
     at /usr/src/lib/libc/stdio/vfprintf.c:1071
#7  0x000007589fc1ef04 in _libc_snprintf (
     str=0x7589fbc7c3b <thrkill+27> "s\017d\211\004% ",
     n=<optimized out>, fmt=0x755b36d0123 "%s\377%s")
     at /usr/src/lib/libc/stdio/snprintf.c:59
#8  0x00000755b4529f4f in dict_table_rename_in_cache (
     table=0x757f4026378, new_name=...,
     replace_new_file=<optimized out>)
     at 
/usr/obj/ports/mariadb-12.3.3/mariadb-12.3.3/storage/innobase/dict/dict0dict.cc:1631
#9  0x00000755b46835e5 in row_rename_table_for_mysql (
     old_name=0x75853d391c0 "dbix_class_schema_loader_test/#sql-alter-77f7-9-1",
     new_name=0x75853d38dc0 "dbix_class_schema_loader_test/load--Type <RET> for 
more, q to quit, c to continue without paging--c
er_test6", trx=0x75868c6d5c0, fk=RENAME_ALTER_COPY)
     at 
/usr/obj/ports/mariadb-12.3.3/mariadb-12.3.3/storage/innobase/row/row0mysql.cc:2720
#10 0x00000755b44fb536 in innobase_rename_table (
     trx=0x75868c6d5c0,
     from=0x75853d39fd0 "./dbix_class_schema_loader_test/#sql-alter-77f7-9-1", 
to=<optimized out>, fk=RENAME_ALTER_COPY)
     at 
/usr/obj/ports/mariadb-12.3.3/mariadb-12.3.3/storage/innobase/handler/ha_innodb.cc:13780
#11 0x00000755b44fba20 in ha_innobase::rename_table (
     this=<optimized out>,
     from=0x75853d39fd0 "./dbix_class_schema_loader_test/#sql-alter-77f7-9-1",
     to=0x75853d3a1d0 "./dbix_class_schema_loader_test/loader_test6")
     at 
/usr/obj/ports/mariadb-12.3.3/mariadb-12.3.3/storage/innobase/handler/ha_innodb.cc:14219
#12 0x00000755b41ec6d7 in mysql_rename_table (
     base=<optimized out>, old_db=0x75853d3be38,
     old_name=0x75853d3be68, new_db=0x75853d3be38,
     new_name=0x75853d3be58, id=0x75853d3be88, flags=21)
     at /usr/obj/ports/mariadb-12.3.3/mariadb-12.3.3/sql/sql_table.cc:5661
#13 0x00000755b41f3b64 in mysql_alter_table (
     thd=0x7580c501020, new_db=<optimized out>,
     new_name=<optimized out>, create_info=0x75853d3cd60,
     table_list=0x75886cd9250, recreate_info=0x75853d3d140,
     alter_info=0x75853d3cfc8, order_num=0, order=0x0,
     ignore=<optimized out>, if_exists=<optimized out>)
     at /usr/obj/ports/mariadb-12.3.3/mariadb-12.3.3/sql/sql_table.cc:12290
#14 0x00000755b4286bb7 in Sql_cmd_alter_table::execute (
     this=<optimized out>, thd=0x7580c501020)
     at /usr/obj/ports/mariadb-12.3.3/mariadb-12.3.3/sql/sql_alter.cc:705
#15 0x00000755b4119f90 in mysql_execute_command (
     thd=0x7580c501020,
     is_called_from_prepared_stmt=<optimized out>)
     at /usr/obj/ports/mariadb-12.3.3/mariadb-12.3.3/sql/sql_parse.cc:5895
#16 0x00000755b4113ea1 in mysql_parse (thd=0x7580c501020,
     rawbuf=<optimized out>, length=<optimized out>,
     parser_state=<optimized out>)
     at /usr/obj/ports/mariadb-12.3.3/mariadb-12.3.3/sql/sql_parse.cc:7932
#17 0x00000755b41125dd in dispatch_command (
     command=COM_QUERY, thd=0x7580c501020,
     packet=<optimized out>, packet_length=123,
     blocking=<optimized out>)
     at /usr/obj/ports/mariadb-12.3.3/mariadb-12.3.3/sql/sql_parse.cc:1903
#18 0x00000755b4114386 in do_command (thd=0x7580c501020,
     blocking=<optimized out>)
     at /usr/obj/ports/mariadb-12.3.3/mariadb-12.3.3/sql/sql_parse.cc:1437
#19 0x00000755b427ec2d in do_handle_one_connection (
     connect=<optimized out>, put_in_cache=<optimized out>)
     at /usr/obj/ports/mariadb-12.3.3/mariadb-12.3.3/sql/sql_connect.cc:1514
#20 0x00000755b427ea55 in handle_one_connection (
     arg=0x7588ad216b0)
     at /usr/obj/ports/mariadb-12.3.3/mariadb-12.3.3/sql/sql_connect.cc:1426
#21 0x00000755b4440b82 in pfs_spawn_thread (
     arg=0x7586bb39320)
     at 
/usr/obj/ports/mariadb-12.3.3/mariadb-12.3.3/storage/perfschema/pfs.cc:2198
#22 0x000007589e168c52 in _rthread_start (v=0x0)
     at /usr/src/lib/librthread/rthread.c:99
#23 0x000007589fbfd82a in __tfork_thread ()
     at /usr/src/lib/libc/arch/amd64/sys/tfork_thread.S:87
(gdb) frame 8
#8  0x00000755b4529f4f in dict_table_rename_in_cache (
     table=0x757f4026378, new_name=...,
     replace_new_file=<optimized out>)
     at 
/usr/obj/ports/mariadb-12.3.3/mariadb-12.3.3/storage/innobase/dict/dict0dict.cc:1631
1631                    snprintf(id, fklen, "%s\377%s", table->name.m_name, 
sql_id);
(gdb) list
1626                            id = static_cast<char*>(
1627                                    mem_heap_alloc(foreign->heap, fklen));
1628                    }
1629                    table->foreign_set.erase(it);
1630                    foreign->id = id;
1631                    snprintf(id, fklen, "%s\377%s", table->name.m_name, 
sql_id);
1632                    fk_set.insert(foreign);
1633    
1634                    if (foreign->referenced_table) {
1635                            
foreign->referenced_table->referenced_set.insert(foreign);
(gdb) p id
$1 = 0x7589c9580f8 
"dbix_class_schema_loader_test/loader_test6\377f7-9-1\377loader_test6_to_7_fk"
(gdb) p table->name.m_name
$2 = 0x758396764c8 "dbix_class_schema_loader_test/loader_test6"
(gdb) p fklen
$3 = 64
(gdb) p sql_id
$4 = 0x7589c95812a "loader_test6_to_7_fk"

$ moo
0x7589c9580f8 + 64
0x7589c958138
8077165560120


Thanks. I opened a bug report upstream. Lets see what they say.

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