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Bug #79409 ssh2_sftp() _libssh2_channel_free: Assertion `session' failed
Submitted: 2020-03-23 19:51 UTC Modified: 2021-02-21 04:22 UTC
Votes:1
Avg. Score:4.0 ± 0.0
Reproduced:0 of 0 (0.0%)
From: ricardo at banak dot com Assigned: cmb (profile)
Status: No Feedback Package: ssh2 (PECL)
PHP Version: 7.4.4 OS: Centos 7.7.1908
Private report: No CVE-ID: None
View Developer Edit
 [2020-03-23 19:51 UTC] ricardo at banak dot com 
Description:
------------
When trying to use $sftp=ssh2_sftp($connection) the script aborts with:
"ool www: channel.c:2466: _libssh2_channel_free: Assertion `session' failed."

I'm using:
- php-pecl-ssh2.x86_64  1.2-1.el7.remi.7.4
- libssh2.x86_64        1.8.0-3.el7
- openssl.x86_64        1:1.0.2k-19.el7 

Test script:
---------------
$connection = ssh2_connect('ssh.example.com', 22);
ssh2_auth_password($connection, 'username', 'password');

$sftp = ssh2_sftp($connection);

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 [2021-02-10 14:43 UTC] cmb@php.net
-Status: Open +Status: Feedback -Assigned To: +Assigned To: cmb
 [2021-02-10 14:43 UTC] cmb@php.net 
I cannot reproduce this assertion failure with the given test
script (neither with ssh2 1.2 nor with current tip of master;
libssh 1.9.0).  However, I can reproduce the assertion failure, if
I add

    ssh2_disconnect($connection);

at the end of the script.  This would be a duplicate of bug #79631
then.

Please confirm whether you had called ssh2_disconnect() or not.
 [2021-02-21 04:22 UTC] pecl-dev at lists dot php dot net 
No feedback was provided. The bug is being suspended because
we assume that you are no longer experiencing the problem.
If this is not the case and you are able to provide the
information that was requested earlier, please do so and
change the status of the bug back to "Re-Opened". Thank you.
 
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