[OTR-dev] crash

David Goulet dgoulet at ev0ke.net
Sat Nov 8 13:46:34 EST 2014


On 08 Nov (18:39:57), Gregory Maxwell wrote:
> People were circulating this pastebin around on IRC, since I don't see
> any git traffic for it...
> 
> http://pastebin.com/se58hAmt

We have no idea what the bug is actually... :S

Would be really great if people actually report bugs instead of entering
twitter vanity contest... We even put up a security disclosure email
account for more severe things that people can report securely.

See on https://bugs.otr.im

Cheers!
David

> 
> #
> # LibOTR memory corruption in 4 hours
> # While waiting for conference calls
> # Using latest git pulled from git.otr.im/libotr.git
> # donb at securitymouse.com
> #
> 
> donb at x-VirtualBox:~$ !LD
> LD_LIBRARY_PATH=lib/src/libotr/libotr/src/.libs ./otr
> encoded base64
> sending message
> version is 2
> to the switch!!
> Segmentation fault (core dumped)
> donb at x-VirtualBox:~$ LD_LIBRARY_PATH=lib/src/libotr/libotr/src/.libs ldd ./otr
>         linux-gate.so.1 =>  (0xb77c6000)
>         libotr.so.5 => lib/src/libotr/libotr/src/.libs/libotr.so.5 (0xb77a9000)
>         libc.so.6 => /lib/i386-linux-gnu/libc.so.6 (0xb75ef000)
>         libgcrypt.so.11 => /lib/i386-linux-gnu/libgcrypt.so.11 (0xb7568000)
>         /lib/ld-linux.so.2 (0xb77c7000)
>         libgpg-error.so.0 => /lib/i386-linux-gnu/libgpg-error.so.0 (0xb7563000)
> donb at x-VirtualBox:~$ !gd
> gdb -q ./otr core
> Reading symbols from /home/donb/otr...(no debugging symbols found)...done.
> [New LWP 20510]
> 
> warning: Can't read pathname for load map: Input/output error.
> Core was generated by `./otr'.
> Program terminated with signal 11, Segmentation fault.
> #0  0xXXXX in ?? () from /lib/i386-linux-gnu/libgcrypt.so.11
> (gdb) i r eax
> eax            0x53565755       1398167381
> (gdb)
> 
> ^-- controlled EAX = for the win
> _______________________________________________
> OTR-dev mailing list
> OTR-dev at lists.cypherpunks.ca
> http://lists.cypherpunks.ca/mailman/listinfo/otr-dev
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