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-rw-r--r--kernel/bpf/syscall.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
index e2e1c78ce1dc..30e728dcd35d 100644
--- a/kernel/bpf/syscall.c
+++ b/kernel/bpf/syscall.c
@@ -937,10 +937,16 @@ static void __bpf_prog_put_rcu(struct rcu_head *rcu)
static void __bpf_prog_put(struct bpf_prog *prog, bool do_idr_lock)
{
if (atomic_dec_and_test(&prog->aux->refcnt)) {
+ int i;
+
trace_bpf_prog_put_rcu(prog);
/* bpf_prog_free_id() must be called first */
bpf_prog_free_id(prog, do_idr_lock);
+
+ for (i = 0; i < prog->aux->func_cnt; i++)
+ bpf_prog_kallsyms_del(prog->aux->func[i]);
bpf_prog_kallsyms_del(prog);
+
call_rcu(&prog->aux->rcu, __bpf_prog_put_rcu);
}
}