diff options
Diffstat (limited to 'kernel/bpf')
| -rw-r--r-- | kernel/bpf/verifier.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index 5d42db05315e..7360f04f9ec7 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -11063,6 +11063,7 @@ enum special_kfunc_type { KF_bpf_preempt_disable, KF_bpf_preempt_enable, KF_bpf_iter_css_task_new, + KF_bpf_session_cookie, }; BTF_SET_START(special_kfunc_set) @@ -11123,6 +11124,7 @@ BTF_ID(func, bpf_iter_css_task_new) #else BTF_ID_UNUSED #endif +BTF_ID(func, bpf_session_cookie) static bool is_kfunc_ret_null(struct bpf_kfunc_call_arg_meta *meta) { @@ -12294,6 +12296,11 @@ static int check_kfunc_call(struct bpf_verifier_env *env, struct bpf_insn *insn, } } + if (meta.func_id == special_kfunc_list[KF_bpf_session_cookie]) { + meta.r0_size = sizeof(u64); + meta.r0_rdonly = false; + } + if (is_bpf_wq_set_callback_impl_kfunc(meta.func_id)) { err = push_callback_call(env, insn, insn_idx, meta.subprogno, set_timer_callback_state); |