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authorAndrii Nakryiko <andrii@kernel.org>2023-12-14 17:13:29 -0800
committerAlexei Starovoitov <ast@kernel.org>2023-12-19 18:06:46 -0800
commitf18c3d88deedf0defc3e4800341cc7bcaaabcdf9 (patch)
treed57714bbf760073e1542452360d88ebc854d443b /crypto/cfb.c
parentc5a7244759b1eeacc59d0426fb73859afa942d0d (diff)
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bpf: reuse subprog argument parsing logic for subprog call checks
Remove duplicated BTF parsing logic when it comes to subprog call check. Instead, use (potentially cached) results of btf_prepare_func_args() to abstract away expectations of each subprog argument in generic terms (e.g., "this is pointer to context", or "this is a pointer to memory of size X"), and then use those simple high-level argument type expectations to validate actual register states to check if they match expectations. Acked-by: Eduard Zingerman <eddyz87@gmail.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/r/20231215011334.2307144-6-andrii@kernel.org Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'crypto/cfb.c')
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