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b1a7a480a1
Add selftests validating BPF_LOG_FIXED behavior, which used to be the only behavior, and now default rotating BPF verifier log, which returns just up to last N bytes of full verifier log, instead of returning -ENOSPC. To stress test correctness of in-kernel verifier log logic, we force it to truncate program's verifier log to all lengths from 1 all the way to its full size (about 450 bytes today). This was a useful stress test while developing the feature. For both fixed and rotating log modes we expect -ENOSPC if log contents doesn't fit in user-supplied log buffer. Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Lorenz Bauer <lmb@isovalent.com> Link: https://lore.kernel.org/bpf/20230406234205.323208-7-andrii@kernel.org |
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arch | ||
block | ||
certs | ||
crypto | ||
Documentation | ||
drivers | ||
fs | ||
include | ||
init | ||
io_uring | ||
ipc | ||
kernel | ||
lib | ||
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mm | ||
net | ||
rust | ||
samples | ||
scripts | ||
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sound | ||
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usr | ||
virt | ||
.clang-format | ||
.cocciconfig | ||
.get_maintainer.ignore | ||
.gitattributes | ||
.gitignore | ||
.mailmap | ||
.rustfmt.toml | ||
COPYING | ||
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Kbuild | ||
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Makefile | ||
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.