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| author | Andrii Nakryiko <andrii@kernel.org> | 2022-12-22 21:49:18 -0800 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2022-12-27 17:37:07 -0800 |
| commit | 910f69996674bfc4a273a335c1fb2ecb45062bf6 (patch) | |
| tree | 9eefbebd82faec7d3de539529850f73d0b0e4874 /kernel/trace/trace_stack.c | |
| parent | 7f4ce97cd5edf723c7f2e32668481b6aa86c9ec6 (diff) | |
| download | lwn-910f69996674bfc4a273a335c1fb2ecb45062bf6.tar.gz lwn-910f69996674bfc4a273a335c1fb2ecb45062bf6.zip | |
bpf: reject non-exact register type matches in regsafe()
Generalize the (somewhat implicit) rule of regsafe(), which states that
if register types in old and current states do not match *exactly*, they
can't be safely considered equivalent.
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/r/20221223054921.958283-5-andrii@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'kernel/trace/trace_stack.c')
0 files changed, 0 insertions, 0 deletions