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de462e5f10
If there is a bootconfig data in the tail of initrd/initramfs, initrd image sanity check caused an error while decompression stage as follows. [ 0.883882] Unpacking initramfs... [ 2.696429] Initramfs unpacking failed: invalid magic at start of compressed archive This error will be ignored if CONFIG_BLK_DEV_RAM=n, but CONFIG_BLK_DEV_RAM=y the kernel failed to mount rootfs and causes a panic. To fix this issue, shrink down the initrd_end for removing tailing bootconfig data while boot the kernel. Link: http://lkml.kernel.org/r/158788401014.24243.17424755854115077915.stgit@devnote2 Cc: Borislav Petkov <bp@alien8.de> Cc: Kees Cook <keescook@chromium.org> Cc: Ingo Molnar <mingo@kernel.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: stable@vger.kernel.org Fixes: 7684b8582c24 ("bootconfig: Load boot config from the tail of initrd") Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.