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6572786006
Fix to allocate fprobe::entry_data_size buffer with rethook instances. If fprobe doesn't allocate entry_data_size buffer for each rethook instance, fprobe entry handler can cause a buffer overrun when storing entry data in entry handler. Link: https://lore.kernel.org/all/170920576727.107552.638161246679734051.stgit@devnote2/ Reported-by: Jiri Olsa <olsajiri@gmail.com> Closes: https://lore.kernel.org/all/Zd9eBn2FTQzYyg7L@krava/ Fixes: 4bbd93455659 ("kprobes: kretprobe scalability improvement") Cc: stable@vger.kernel.org Tested-by: Jiri Olsa <olsajiri@gmail.com> Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.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.