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-rw-r--r--kernel/bpf/verifier.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 799b2451ef2d..b914fbe1383e 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -4205,7 +4205,12 @@ static int fixup_bpf_calls(struct bpf_verifier_env *env)
4205 } 4205 }
4206 4206
4207 if (insn->imm == BPF_FUNC_redirect_map) { 4207 if (insn->imm == BPF_FUNC_redirect_map) {
4208 u64 addr = (unsigned long)prog; 4208 /* Note, we cannot use prog directly as imm as subsequent
4209 * rewrites would still change the prog pointer. The only
4210 * stable address we can use is aux, which also works with
4211 * prog clones during blinding.
4212 */
4213 u64 addr = (unsigned long)prog->aux;
4209 struct bpf_insn r4_ld[] = { 4214 struct bpf_insn r4_ld[] = {
4210 BPF_LD_IMM64(BPF_REG_4, addr), 4215 BPF_LD_IMM64(BPF_REG_4, addr),
4211 *insn, 4216 *insn,