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Yonghong Song 87b7b5335e bpf: Add missing bpf_read_[un]lock_trace() for syscall program 
Commit 79a7f8bdb1 ("bpf: Introduce bpf_sys_bpf() helper and program type.")
added support for syscall program, which is a sleepable program.

But the program run missed bpf_read_lock_trace()/bpf_read_unlock_trace(),
which is needed to ensure proper rcu callback invocations. This patch adds
bpf_read_[un]lock_trace() properly.

Fixes: 79a7f8bdb1 ("bpf: Introduce bpf_sys_bpf() helper and program type.")
Signed-off-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20210809235151.1663680-1-yhs@fb.com
2021-08-10 10:10:49 +02:00
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drivers net: ethernet: ti: cpsw: fix min eth packet size for non-switch use-cases 2021-08-09 10:16:46 +01:00
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include bpf: Add lockdown check for probe_write_user helper 2021-08-10 10:10:10 +02:00
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kernel bpf: Add lockdown check for probe_write_user helper 2021-08-10 10:10:10 +02:00
lib once: Fix panic when module unload 2021-08-08 13:00:20 +01:00
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net bpf: Add missing bpf_read_[un]lock_trace() for syscall program 2021-08-10 10:10:49 +02:00
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security bpf: Add lockdown check for probe_write_user helper 2021-08-10 10:10:10 +02:00
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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.