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0266223467
This patch verifies the struct member token of struct mptcp_sock. Add a new member token in struct mptcp_storage to store the token value of the msk socket got by bpf_skc_to_mptcp_sock(). Trace the kernel function mptcp_pm_new_connection() by using bpf fentry prog to obtain the msk token and save it in a global bpf variable. Pass the variable to verify_msk() to verify it with the token saved in socket_storage_map. v4: - use ASSERT_* instead of CHECK_FAIL (Andrii) - skip the test if 'ip mptcp monitor' is not supported (Mat) v5: - Drop 'ip mptcp monitor', trace mptcp_pm_new_connection instead (Martin) - Use ASSERT_EQ (Andrii) Signed-off-by: Geliang Tang <geliang.tang@suse.com> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Matthieu Baerts <matthieu.baerts@tessares.net> Link: https://lore.kernel.org/bpf/20220519233016.105670-6-mathew.j.martineau@linux.intel.com |
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| certs | ||
| crypto | ||
| Documentation | ||
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| fs | ||
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| init | ||
| ipc | ||
| kernel | ||
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| .clang-format | ||
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| README | ||
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.