selftests/bpf: Fix UBSan complaint about signed __int128 overflow

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Test is using __int128 variable as unsigned and highest order bit can be
set to 1 after bit shift. Use unsigned __int128 explicitly and prevent
UBSan from complaining.

Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20211124002325.1737739-8-andrii@kernel.org

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Andrii Nakryiko 2021-11-23 16:23:19 -08:00 • committed by Daniel Borkmann

parent 593835377f

commit 486e648cb2

1 changed files with 1 additions and 1 deletions

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tools/testing/selftests/bpf/prog_tests/btf_dump.c

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