Merge branch 'bpf-verifier-improve-precision-of-bpf_mul'

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Matan Shachnai says:

====================
This patch-set aims to improve precision of BPF_MUL and add testcases
to illustrate precision gains using signed and unsigned bounds.

Changes from v1:
 - Fixed typo made in patch.

Changes from v2:
 - Added signed multiplication to BPF_MUL.
 - Added test cases to exercise BPF_MUL.
 - Reordered patches in the series.

Changes from v3:
 - Coding style fixes.
====================

Link: https://patch.msgid.link/20241218032337.12214-1-m.shachnai@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

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Alexei Starovoitov 2024-12-30 14:49:42 -08:00

parent 1846dd8e3a 75137d9ebe

commit 34ea973dd4

2 changed files with 170 additions and 44 deletions

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84

kernel/bpf/verifier.c

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134

tools/testing/selftests/bpf/progs/verifier_bounds.c

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