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commit 3577afb upstream. In commit a2d375e ("dyndbg: refine export, rename to dynamic_debug_exec_queries()"), a string is copied before checking it isn't NULL. Fix this, report a usage/interface error, and return the proper error code. Fixes: a2d375e ("dyndbg: refine export, rename to dynamic_debug_exec_queries()") Cc: stable@vger.kernel.org Signed-off-by: Jim Cromie <jim.cromie@gmail.com> Link: https://lore.kernel.org/r/20201209183625.2432329-1-jim.cromie@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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