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MDEV-24033: SIGSEGV in __memcmp_avx2_movbe from queue_insert | SIGSEGV in __memcmp_avx2_movbe from native_compare

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don't allow too small max_sort_length values
This commit is contained in:
Sergei Golubchik
2020-11-03 23:38:31 +01:00
parent 59bbe873d4
commit b31912fd35
21 changed files with 328 additions and 799 deletions
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28
mysql-test/r/query_cache.result
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@ -814,33 +814,33 @@ select @@character_set_results;
NULL
set character_set_results=default;
set GLOBAL query_cache_size=1355776;
create table t1 (id int auto_increment primary key, c char(25));
create table t1 (id int auto_increment primary key, c char(65));
insert into t1 set c = repeat('x',24);
insert into t1 set c = concat(repeat('x',24),'x');
insert into t1 set c = concat(repeat('x',24),'w');
insert into t1 set c = concat(repeat('x',24),'y');
insert into t1 set c = concat(repeat('x',64),'x');
insert into t1 set c = concat(repeat('x',64),'w');
insert into t1 set c = concat(repeat('x',64),'y');
set max_sort_length=200;
select c from t1 order by c, id;
c
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reset query cache;
set max_sort_length=20;
set max_sort_length=64;
select c from t1 order by c, id;
c
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set max_sort_length=200;
select c from t1 order by c, id;
c
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set max_sort_length=default;
select '1' || '3' from t1;
'1' || '3'