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Subject: [Bug 208275] Kernel panic when reading from /dev/cd0 with a damaged
 dvd
Date: Mon, 28 Mar 2016 09:57:06 +0000
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D208275

Fabian Keil <fk@fabiankeil.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |fk@fabiankeil.de

--- Comment #4 from Fabian Keil <fk@fabiankeil.de> ---
Created attachment 168724
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D168724&action=
=3Dedit
cd9660_read(): In case of read errors, don't dereference bp which may be NU=
LL

Thanks for the report. Can you test the attached patch?

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