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selftests/bpf: Don't mask result of bpf_csum_diff() in test_verifier

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The bpf_csum_diff() helper has been fixed to return a 16-bit value for
all archs, so now we don't need to mask the result.

This commit is basically reverting the below:

commit 6185266c5a ("selftests/bpf: Mask bpf_csum_diff() return value
to 16 bits in test_verifier")

Signed-off-by: Puranjay Mohan <puranjay@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Toke Høiland-Jørgensen <toke@redhat.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20241026125339.26459-4-puranjay@kernel.org
This commit is contained in:
Puranjay Mohan 2024-10-26 12:53:38 +00:00 committed by Daniel Borkmann
parent 6a4794d5a3
commit b87f584024
1 changed files with 1 additions and 2 deletions
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3
tools/testing/selftests/bpf/progs/verifier_array_access.c
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@ -368,8 +368,7 @@ __naked void a_read_only_array_2_1(void)
r4 = 0; \ r4 = 0; \
r5 = 0; \ r5 = 0; \
call %[bpf_csum_diff]; \ call %[bpf_csum_diff]; \
l0_%=: r0 &= 0xffff; \ l0_%=: exit; \
exit; \
" : " :
: __imm(bpf_csum_diff), : __imm(bpf_csum_diff),
__imm(bpf_map_lookup_elem), __imm(bpf_map_lookup_elem),