Hi!
On Jan 12, Joćo Gouveia wrote:
> Hi,
>
> I believe i've found a problem in MySql. Here are some test's i've made in
> 3.22.27 x86( also tested on v3.22.32 - latest stable, although i didn't
> debug it, just tested to see if crashes ).
Confirmed up to latest 3.23
This will be fixed ASAP!
Thanks for bugreport (though you'd better mail this to us first,
and only after some - small - delay to public).
>
> On one terminal:
> <quote>
> spike:/var/mysql # /sbin/init.d/mysql start
> Starting service MySQL.
> Starting mysqld daemon with databases from /var/mysql
> done
> spike:/var/mysql #
> </quote>
>
> On the other terminal:
> <quote>
> jroberto@spike:~ > mysql -p -e 'select a.'`perl -e'printf("A"x130)'`'.b'
> Enter password:
> (hanged..^C)
> </quote>
>
> On the first terminal i got:
> <quote>
> spike:/var/mysql # /usr/bin/safe_mysqld: line 149: 15557 Segmentation fault
> nohup
> $ledir/mysqld --basedir=$MY_BASEDIR_VERSION --datadir=$DATADIR --skip-lockin
> g "$@" >>$err_log 2>&1
>
> Number of processes running now: 0
> mysqld restarted on Fri Jan 12 07:10:54 WET 2001
> mysqld daemon ended
> </quote>
>
> gdb shows the following:
> <quote>
> (gdb) run
> Starting program: /usr/sbin/mysqld
> [New Thread 16897 (manager thread)]
> [New Thread 16891 (initial thread)]
> [New Thread 16898]
> /usr/sbin/mysqld: ready for connections
> [New Thread 16916]
> [Switching to Thread 16916]
>
> Program received signal SIGSEGV, Segmentation fault.
> 0x41414141 in ?? ()
> (gdb) info all-registers
> eax 0x1 1
> ecx 0x68 104
> edx 0x8166947 135686471
> ebx 0x41414141 1094795585
> esp 0xbf5ff408 0xbf5ff408
> ebp 0x41414141 0x41414141
> esi 0x41414141 1094795585
> edi 0x0 0
> eip 0x41414141 0x41414141
> eflags 0x10246 66118
> cs 0x23 35
> ss 0x2b 43
> ds 0x2b 43
> es 0x2b 43
> fs 0x0 0
> gs 0x0 0
> (gdb)
> </quote>
>
> looks like a tipical overflow to me.
> Please reply asap, at least to tell me i'me not seeing things. :-)
>
> Best regards,
>
> Joao Gouveia aka Tharbad.
>
> [EMAIL PROTECTED]
>
Regards,
Sergei
--
MySQL Development Team
__ ___ ___ ____ __
/ |/ /_ __/ __/ __ \/ / Sergei Golubchik <[EMAIL PROTECTED]>
/ /|_/ / // /\ \/ /_/ / /__ MySQL AB, http://www.mysql.com/
/_/ /_/\_, /___/\___\_\___/ Osnabrueck, Germany
<___/
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