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Subject: Re: libssh2_sftp_init() hangs and does not return while consuming 100% CPU

Re: libssh2_sftp_init() hangs and does not return while consuming 100% CPU

From: Alexander Lamaison <swish_at_lammy.co.uk>
Date: Sat, 2 Apr 2016 14:16:24 +0100

I'm afraid your emails are being classified as Spam by GMail.

I don't have an answer for your question, but I'm replying in case
someone else does and hasn't checked their Spam folder.

Alex

On 23 March 2016 at 04:47, Ismail Aseen <ismaildeh_at_yahoo.com> wrote:
> Hi,
>
> Adding one more point to the above mail, in the function sftp_packet_read in
> sftp.c file, is it a defect to not to address the zero return from
> _libssh2_channel_read function in the while loop found in sftp.c:377 ?
>
> Thanks & Regards,
> Ismail Aseen
>
>
> On Tuesday, 22 March 2016, 23:40, Ismail Aseen <ismaildeh_at_yahoo.com> wrote:
>
>
> Hi,
>
> I have an application which uses libssh2 to transfer files using SFTP. It
> was working well till I had this problem where libssh2_sftp_init() hangs and
> does not return while consuming 100% CPU. I did a stack trace using gstack
> and got the following stack. Please note that this incident occurred only
> once for me and it is not re created again. This incident happened while
> communicating with Windows based SFTP server(Tectia). I am using
> libssh2-1.6.0. version. Is this a known issue? could anybody assist on this?
>
> #0 0x00007fd3c719e6ac in recv () from /lib64/libc.so.6
> #1 0x00007fd3c947511b in _libssh2_recv () from
> /x01/nptsapp/current/libs/libssh2.so.1
> #2 0x00007fd3c948bc01 in _libssh2_transport_read () from
> /x01/nptsapp/current/libs/libssh2.so.1
> #3 0x00007fd3c946cfb1 in _libssh2_channel_read () from
> /x01/nptsapp/current/libs/libssh2.so.1
> #4 0x00007fd3c94800fb in sftp_packet_read () from
> /x01/nptsapp/current/libs/libssh2.so.1
> #5 0x00007fd3c94806bd in sftp_packet_require () from
> /x01/nptsapp/current/libs/libssh2.so.1
> #6 0x00007fd3c9480fd1 in sftp_init () from
> /x01/nptsapp/current/libs/libssh2.so.1
> #7 0x00007fd3c9481285 in libssh2_sftp_init () from
> /x01/nptsapp/current/libs/libssh2.so.1
>
> Thanks,
> Ismail Aseen
>
>
>
> _______________________________________________
> libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel
>

-- 
Swish - Easy SFTP for Windows Explorer (http://www.swish-sftp.org)
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Received on 2016-04-02

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