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glibc-2.18-r1 update breaks steam
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bulkin
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Joined: 08 Nov 2008
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PostPosted: Sun Feb 02, 2014 6:13 pm    Post subject: glibc-2.18-r1 update breaks steam Reply with quote

After updating glibc steam segfaults on launch.
The following appears in dmesg:
Code:

[291830.190714] traps: steam[6327] general protection ip:f7423c53 sp:ff9f41b8 error:0 in libc-2.18.so[f72f5000+1a1000]
[291830.482340] traps: steam[6434] general protection ip:f7451c53 sp:ffa4ea38 error:0 in libc-2.18.so[f7323000+1a1000]


A similiar issue appeared in Arch a while ago: https://bbs.archlinux.org/viewtopic.php?pid=1313908 , but has since been fixed with another update.
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PaulBredbury
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PostPosted: Sun Feb 02, 2014 10:05 pm    Post subject: Reply with quote

Here's the diff for the apparent fix. 2 added patches:

    glibc-2.18-readdir_r-CVE-2013-4237.patch
    glibc-2.18-strstr-hackfix.patch


See patches in Arch glibc pkg.
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steveL
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PostPosted: Mon Feb 03, 2014 5:32 am    Post subject: Reply with quote

Nice info Paul; the patch made interesting reading.
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bulkin
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PostPosted: Mon Feb 03, 2014 11:15 pm    Post subject: Reply with quote

Thanks, Paul. Applying the strstr-hackfix patch resolved the issue. How powerful a single keyword can be...

Should this be reported in the gentoo bugzilla?
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PaulBredbury
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PostPosted: Mon Feb 03, 2014 11:27 pm    Post subject: Reply with quote

Of course ;)
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josei7
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PostPosted: Fri Feb 07, 2014 11:51 am    Post subject: how and where do you apliccate the fix please Reply with quote

i dont know where i have to applicate the fix
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