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linux-next/tools/testing
Dmitrii Banshchikov f782e2c300 bpf: Relax return code check for subprograms
Currently verifier enforces return code checks for subprograms in the
same manner as it does for program entry points. This prevents returning
arbitrary scalar values from subprograms. Scalar type of returned values
is checked by btf_prepare_func_args() and hence it should be safe to
allow only scalars for now. Relax return code checks for subprograms and
allow any correct scalar values.

Fixes: 51c39bb1d5 (bpf: Introduce function-by-function verification)
Signed-off-by: Dmitrii Banshchikov <me@ubique.spb.ru>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20201113171756.90594-1-me@ubique.spb.ru
2020-11-14 08:17:27 -08:00
..
fault-injection
ktest Updates for ktest 5.9 2020-08-10 19:16:26 -07:00
kunit kunit: tools: fix kunit_tool tests for parsing test plans 2020-10-26 13:25:40 -06:00
nvdimm device-dax: add dis-contiguous resource support 2020-10-13 18:38:28 -07:00
radix-tree ida: Free allocated bitmap in error path 2020-10-07 09:11:33 -04:00
scatterlist lib/scatterlist: Add support in dynamic allocation of SG table from pages 2020-10-05 20:45:45 -03:00
selftests bpf: Relax return code check for subprograms 2020-11-14 08:17:27 -08:00
vsock SPDX patches for 5.7-rc1. 2020-04-03 13:12:26 -07:00