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In x86 architecture dependend part function get_cpuid_str() mallocs a 128 byte buffer, but does not check if the memory allocation succeeded or not. When the memory allocation fails, function __get_cpuid() is called with first parameter being a NULL pointer. However this function references its first parameter and operates on a NULL pointer which might cause core dumps. Signed-off-by: Thomas Richter <tmricht@linux.vnet.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Hendrik Brueckner <brueckner@linux.vnet.ibm.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Link: http://lkml.kernel.org/r/20180117131611.34319-1-tmricht@linux.vnet.ibm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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| firmware | ||
| fs | ||
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| kernel | ||
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| .cocciconfig | ||
| .get_maintainer.ignore | ||
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| README | ||
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.