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Jiri Olsa 62d468e5e1 bpf: Cleanup ftrace hash in bpf_trampoline_put
We need to release possible hash from trampoline fops object
before removing it, otherwise we leak it.

Fixes: 00963a2e75 ("bpf: Support bpf_trampoline on functions with IPMODIFY (e.g. livepatch)")
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Song Liu <song@kernel.org>
Link: https://lore.kernel.org/bpf/20220802135651.1794015-1-jolsa@kernel.org
2022-08-05 09:43:58 -07:00
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Documentation bpf: Update bpf_design_QA.rst to clarify that BTF_ID does not ABIify a function 2022-08-04 13:17:24 -07:00
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include BPF: Fix potential bad pointer dereference in bpf_sys_bpf() 2022-08-04 16:57:43 -07:00
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kernel bpf: Cleanup ftrace hash in bpf_trampoline_put 2022-08-05 09:43:58 -07:00
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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.