New subject: [Fedora-i18n-bugs] [Bug 1037380] w3m FTBFS if "-Werror=format-security" flag is used

3 Dec 2013


      https://bugzilla.redhat.com/show_bug.cgi?id=1037380
Bug ID: 1037380
           Summary: w3m FTBFS if "-Werror=format-security" flag is used
           Product: Fedora
           Version: rawhide
         Component: w3m
          Assignee: pnemade@redhat.com
          Reporter: dkholia@redhat.com
        QA Contact: extras-qa@fedoraproject.org
                CC: i18n-bugs@lists.fedoraproject.org, pnemade@redhat.com
Description of problem
----------------------
w3m fails to build if "-Werror=format-security" flag is used.
...
w3mbookmark.c:102:2: error: format not a string literal and no format arguments
[-Werror=format-security]
...
We are working on a proposal to enable "-Werror=format-security" for all
packages. Once this flag is enabled, GCC will refuse to compile code that could
be vulnerable to a string format security flaw. For more details, please see
https://fedorahosted.org/fesco/ticket/1185 page.
To understand why it is important to fix this, please see
https://fedoraproject.org/wiki/Format-Security-FAQ page.
How to fix this
---------------
The fix for these errors is quite simple. It's a matter of changing a
line like,
printf(foo);
to read,
printf("%s", foo);
That's it.
Please fix this issue in rawhide with a patch (which you should submit
to upstream to merge moving forward). Please do a new build with the
fix in rawhide. Other releases do not need to be directly fixed, but
there should be no harm in pushing out this fix/patch with other needed
changes to those branches.
In the event you don't fix this bug before the next mass rebuild,
provenpackagers may step in and update your package(s) to fix this
issue.
How reproducible
----------------
Build w3m-0.5.3-13.fc20.src.rpm with "-Werror=format-security" flag to
reproduce the problem.
To make this process easier, you can use a modified "redhat-rpm-config" package
from http://people.fedoraproject.org/~halfie/artifacts/redhat-rpm-config/ URL.
$ sha256sum redhat-rpm-config-9.1.0-56.fc20.*
faad7594b2080fe76497d0ce50808c905a93dd7b41c1defdde5ca57e3833d3d2 
redhat-rpm-config-9.1.0-56.fc20.noarch.rpm
5aa9357174305c7285ffdbc92d7ffe1c07a8a95d5459b930461308f5aad75413 
redhat-rpm-config-9.1.0-56.fc20.src.rpm
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[Fedora-i18n-bugs] [Bug 1037380] New: w3m FTBFS if "-Werror=format-security" flag is used