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Eduard Zingerman
13f843c017
A function to return IP for a given frame in a call stack of a state. Will be used by a next patch. The `state->insn_idx = env->insn_idx;` assignment in the do_check() allows to use frame_insn_idx with env->cur_state. At the moment bpf_verifier_state->insn_idx is set when new cached state is added in is_state_visited() and accessed only in the contexts when the state is already in the cache. Hence this assignment does not change verifier behaviour. Signed-off-by: Eduard Zingerman <eddyz87@gmail.com> Link: https://lore.kernel.org/r/20250611200836.4135542-3-eddyz87@gmail.com Signed-off-by: Alexei Starovoitov <ast@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 reStructuredText 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.