Octopus ZHANG, on Friday, December 6, 2019 06:18 AM, wrote...
>
> Hi all,
>
> I'm trying to fuzz sqlite, and I found the following query was executed for
> more than one minute. (./sqlite3, on
>
> >> SELECT
> printf('%*.*c',90000||006000000&6600000000,1000000000000003)""WHERE""/"";
>
> I also turned on the timer, but no time was printed. So I used `time` to
> record:
> +------+-----------+
> | real | 1m38.036s |
> | user | 1m36.086s |
> | sys | 0m1.948s |
> +------+-----------+
> Here is how to reproduce:
> OS: Linux 18.04.3 LTS, 4.15.0-65-generic
> SQLite version 3.30.1 2019-10-10 20:19:45 (used default command to build)
I actually ran out of memory...
8:18:59.35>sqlite3
SQLite version 3.30.0 2019-10-04 15:03:17
Enter ".help" for usage hints.
Connected to a transient in-memory database.
Use ".open FILENAME" to reopen on a persistent database.
sqlite> .timer on
sqlite> SELECT
...>
printf('%*.*c',90000||006000000&6600000000,1000000000000003)""WHERE""/"";
Run Time: real 12.191 user 11.296875 sys 0.796875
Error: out of memory
sqlite>
josé
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