Re: [dev] Torified surf is unstable

From: Dimitris Papastamos <sin_AT_2f30.org>
Date: Tue, 18 Aug 2015 11:32:48 +0100

On Tue, Aug 18, 2015 at 12:00:40PM +0200, Gabriel Pérez-Cerezo wrote:
> Hello,
>
> I run surf through tor using 'torify surf'. If I don't add the '-i'
> option, it segfaults when searching on Duckduckgo. Even if I add the
> '-i' flag, it crashes after some time with messages like
> "*** Error in `surf': free(): invalid pointer: 0x095ca248 ***"
> or a segmentation fault and often reaches 100% CPU usage. Can you
> replicate this situation?
>
> The command prints
> [Aug 18 11:55:55] WARNING torsocks[14305]: [syscall] Unsupported
> syscall number 240. Denying the call (in tsocks_syscall() at syscall.c:165)
> to STDOUT.

Looking at the torsocks code, it seems they do handle futexes[0]. Can
you try a newer version of torsocks or directly from git?

[0] https://gitweb.torproject.org/torsocks.git/tree/src/lib/syscall.c#n428
Received on Tue Aug 18 2015 - 12:32:48 CEST

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