diff options
| author | Luis Gerhorst <luis.gerhorst@fau.de> | 2025-06-03 23:20:24 +0200 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2025-06-09 20:11:10 -0700 |
| commit | 9124a4508007f146206a279f0c5e81dde314bda1 (patch) | |
| tree | 716ea2bfaf8021e47012304f85a92138f4347fc8 /kernel/bpf/verifier.c | |
| parent | dff883d9e93a7f2f2fa4e38a9444b2c79d6da91a (diff) | |
bpf: Rename sanitize_stack_spill to nospec_result
This is made to clarify that this flag will cause a nospec to be added
after this insn and can therefore be relied upon to reduce speculative
path analysis.
Signed-off-by: Luis Gerhorst <luis.gerhorst@fau.de>
Acked-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Cc: Henriette Herzog <henriette.herzog@rub.de>
Cc: Maximilian Ott <ott@cs.fau.de>
Cc: Milan Stephan <milan.stephan@fau.de>
Link: https://lore.kernel.org/r/20250603212024.338154-1-luis.gerhorst@fau.de
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'kernel/bpf/verifier.c')
| -rw-r--r-- | kernel/bpf/verifier.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index 04465e317f10..79ae0ee395b0 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -5027,7 +5027,7 @@ static int check_stack_write_fixed_off(struct bpf_verifier_env *env, } if (sanitize) - env->insn_aux_data[insn_idx].sanitize_stack_spill = true; + env->insn_aux_data[insn_idx].nospec_result = true; } err = destroy_if_dynptr_stack_slot(env, state, spi); @@ -20930,7 +20930,7 @@ static int convert_ctx_accesses(struct bpf_verifier_env *env) } if (type == BPF_WRITE && - env->insn_aux_data[i + delta].sanitize_stack_spill) { + env->insn_aux_data[i + delta].nospec_result) { struct bpf_insn patch[] = { *insn, BPF_ST_NOSPEC(), |