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Posted to c-dev@axis.apache.org by "Ivan Pechorin (JIRA)" <ji...@apache.org> on 2012/06/16 01:59:42 UTC
[jira] [Updated] (AXIS2C-1597) Memory corruption in
axis2_http_transport_utils_process_accept_headers()
[ https://issues.apache.org/jira/browse/AXIS2C-1597?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ivan Pechorin updated AXIS2C-1597:
----------------------------------
Attachment: axis2-c-accept_record_list.patch
Here is a trivial patch that fixes this issue.
> Memory corruption in axis2_http_transport_utils_process_accept_headers()
> ------------------------------------------------------------------------
>
> Key: AXIS2C-1597
> URL: https://issues.apache.org/jira/browse/AXIS2C-1597
> Project: Axis2-C
> Issue Type: Bug
> Components: transport/http
> Affects Versions: Current (Nightly)
> Reporter: Ivan Pechorin
> Priority: Critical
> Attachments: axis2-c-accept_record_list.patch
>
>
> There's an obvious bug/typo in src/core/transport/http/util/http_transport_utils.c in function axis2_http_transport_utils_process_accept_headers().
> First, the "Accept:" header is tokenized into <accept_field_list>.
> Then in a loop (iterating over the accept_record_list):
> 1) each field is parsed into struct axis2_http_accept_record_t
> 2) the struct should be added into a list of records list, <accept_record_list>
> However, there's a typo here and the record is added into the same original list (<accept_field_list>), not into the <accept_record_list>.
> This results in looping over and over the same list with 100% CPU load, and also memory issues (because arbitrary not necessary 0-terminated pieces of memory are being strdup'ed).
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