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  1. MariaDB Server
  2. MDEV-7784

aria_pack crashes in get_statistic

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          Description

          Stack trace from 5.5 commit 34f37aa0c0aa87cfb6908500e937516ff37ea6f0
          Core was generated by `/data/repo/git/5.5/storage/maria/aria_pack /data/repo/git/5.5/mysql-test/var/my'.
Program terminated with signal 11, Segmentation fault.
#0  0x000000000040b80d in get_statistic (mrg=0x7fff5df72c10, huff_counts=0x168afd0) at 5.5/storage/maria/maria_pack.c:1066
1066		  count->counts[(uchar) *pos]++;
#0  0x000000000040b80d in get_statistic (mrg=0x7fff5df72c10, huff_counts=0x168afd0) at 5.5/storage/maria/maria_pack.c:1066
#1  0x000000000040a541 in compress (mrg=0x7fff5df72c10, result_table=0x0) at 5.5/storage/maria/maria_pack.c:574
#2  0x0000000000409742 in main (argc=0, argv=0x1646670) at 5.5/storage/maria/maria_pack.c:234

Thread 1 (Thread 0x7ffd84601720 (LWP 30617)):
#0  0x000000000040b80d in get_statistic (mrg=0x7fff5df72c10, huff_counts=0x168afd0) at 5.5/storage/maria/maria_pack.c:1066
#1  0x000000000040a541 in compress (mrg=0x7fff5df72c10, result_table=0x0) at 5.5/storage/maria/maria_pack.c:574
#2  0x0000000000409742 in main (argc=0, argv=0x1646670) at 5.5/storage/maria/maria_pack.c:234
          Test case
          
--let $datadir = `SELECT @@datadir`

drop table if exists t;
create table t (
  f1 varchar(40) not null,
  f2 tinytext not null,
  f3 varchar(50) not null,
  index (f1)
) engine=Aria charset utf8;

insert into t 
  select 'foo1','foobar1','bar' union
  select 'foo2','foobar2','bar';

--exec $MARIA_PACK $datadir/test/t.MAI

drop table t;

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                  • Assignee:
                    monty Michael Widenius
                    Reporter:
                    elenst Elena Stepanova
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                    • Created:
                      Updated: