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2ec0616e87
As per15d83c4d7c("bpf: Allow loading of a bpf_iter program") we only allow a range of [0,1] for return codes. Therefore BPF_TRACE_ITER relies on the default tnum_range(0, 1) which is set in range var. On recent merge of net into net-next commite92888c72f("bpf: Enforce returning 0 for fentry/fexit progs") got pulled in and caused a merge conflict with the changes from15d83c4d7c. The resolution had a snall hiccup in that it removed the [0,1] range restriction again so that BPF_TRACE_ITER would have no enforcement. Fix it by adding it back. Fixes:da07f52d3c("Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net") Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-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 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.