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From "Dinesh Premalal (JIRA)" <>
Subject [jira] Assigned: (AXIS2C-1105) libcurl stream not free properly
Date Wed, 16 Apr 2008 07:26:22 GMT


Dinesh Premalal reassigned AXIS2C-1105:

    Assignee: Dinesh Premalal

> libcurl stream not free properly
> --------------------------------
>                 Key: AXIS2C-1105
>                 URL:
>             Project: Axis2-C
>          Issue Type: Bug
>          Components: core/transport
>    Affects Versions: 1.3.0, 1.3.1
>         Environment: CentOS 4.6
>            Reporter: Steve Nairn
>            Assignee: Dinesh Premalal
>         Attachments: axis2c.patch
> When libcurl is enabled the function axis2_libcurl_send() in axis2_libcurl.c creates
an in stream by calling axutil_stream_create_libcurl(). This stream should be freed with libcurl_stream_free()
but it is freed with axutil_stream_free_void_arg() instead.
> In most cases this is not an issue. However, when axutil_stream_create_libcurl() allocates
space for a libcurl_stream_impl struct it does not initialise the part of the struct that
holds the axutil_stream_t. If the space that is allocated happens to hold values such that
the stream_type field of the axutil_stream_t is set to zero and the buffer_head field is set
to non-zero then this will cause a segmentation violation (this is how the bug affected me).
> The solution is to set the free func on the property to libcurl_stream_free() rather
than axutil_stream_free_void_arg(). I'll try and attach a patch against a Subversion checkout
to this issue (I'm pretty new to Jira).
> Cheers,
> Steve Nairn

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