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| author | Andrii Nakryiko <andrii@kernel.org> | 2023-12-02 09:57:02 -0800 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2023-12-02 11:36:51 -0800 |
| commit | eabe518de533a4291996020977054a7a7b78c7d3 (patch) | |
| tree | a07050432051b4354f9e6ad2d932405c036f3d9b /tools/testing/selftests/bpf/prog_tests/recursion.c | |
| parent | 0ef24c8dfae24a4b8aa2e92eac20faecdc5502e5 (diff) | |
bpf: enforce precision of R0 on program/async callback return
Given we enforce a valid range for program and async callback return
value, we must mark R0 as precise to avoid incorrect state pruning.
Fixes: b5dc0163d8fd ("bpf: precise scalar_value tracking")
Acked-by: Eduard Zingerman <eddyz87@gmail.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/r/20231202175705.885270-9-andrii@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/recursion.c')
0 files changed, 0 insertions, 0 deletions