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author | Anay Wadhera <awadhera@berkeley.edu> | 2021-05-20 21:55:29 -0700 |
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committer | Michael Bestas <mkbestas@lineageos.org> | 2022-04-19 00:49:42 +0300 |
commit | 58c5030c405c4c26ef80c7f263555468f3c20885 (patch) | |
tree | d9e845d82d3c129813ac5aafb8ae5c0bdc48ccc7 | |
parent | bae72d3c34f74fe9d0aa6392bd7f8808532ab2a4 (diff) |
Revert "bpf: arsh is not supported in 32 bit alu thus reject it"
This reverts commit 7dcda40e52ff0712a2d7d5353c1722cb1f994330.
Signed-off-by: Chatur27 <jasonbright2709@gmail.com>
-rw-r--r-- | kernel/bpf/verifier.c | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index 32af15136bf4..a62679711de0 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -1165,11 +1165,6 @@ static int check_alu_op(struct verifier_env *env, struct bpf_insn *insn) return -EINVAL; } - if (opcode == BPF_ARSH && BPF_CLASS(insn->code) != BPF_ALU64) { - verbose("BPF_ARSH not supported for 32 bit ALU\n"); - return -EINVAL; - } - if ((opcode == BPF_LSH || opcode == BPF_RSH || opcode == BPF_ARSH) && BPF_SRC(insn->code) == BPF_K) { int size = BPF_CLASS(insn->code) == BPF_ALU64 ? 64 : 32; |