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Kees Cook
fe4bfff86e
seccomp: Use -1 marker for end of mode 1 syscall list
The terminator for the mode 1 syscalls list was a 0, but that could be a valid syscall number (e.g. x86_64 __NR_read). By luck, __NR_read was listed first and the loop construct would not test it, so there was no bug. However, this is fragile. Replace the terminator with -1 instead, and make the variable name for mode 1 syscall lists more descriptive. Cc: Andy Lutomirski <luto@amacapital.net> Cc: Will Drewry <wad@chromium.org> Signed-off-by: Kees Cook <keescook@chromium.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.
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