From 5482e9a93c83839f94e75db712e6837e6a39962c Mon Sep 17 00:00:00 2001 From: Martin KaFai Lau Date: Sat, 1 Dec 2018 17:08:44 -0800 Subject: [PATCH] bpf: Fix memleak in aux->func_info and aux->btf The aux->func_info and aux->btf are leaked in the error out cases during bpf_prog_load(). This patch fixes it. Fixes: ba64e7d85252 ("bpf: btf: support proper non-jit func info") Cc: Yonghong Song Signed-off-by: Martin KaFai Lau Acked-by: Yonghong Song Signed-off-by: Alexei Starovoitov --- kernel/bpf/syscall.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c index f9554d9a14e1..4445d0d084d8 100644 --- a/kernel/bpf/syscall.c +++ b/kernel/bpf/syscall.c @@ -1560,6 +1560,8 @@ static int bpf_prog_load(union bpf_attr *attr, union bpf_attr __user *uattr) return err; free_used_maps: + kvfree(prog->aux->func_info); + btf_put(prog->aux->btf); bpf_prog_kallsyms_del_subprogs(prog); free_used_maps(prog->aux); free_prog: