From: Minghao Chi (CGEL ZTE) <chi.minghao@xxxxxxxxxx> Use memset to initialize structs to preventing infoleaks in __bpf_mt_check_bytecode Reported-by: Zeal Robot <zealci@xxxxxxxxxx> Signed-off-by: Minghao Chi (CGEL ZTE) <chi.minghao@xxxxxxxxxx> --- net/netfilter/xt_bpf.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/netfilter/xt_bpf.c b/net/netfilter/xt_bpf.c index 849ac552a154..5750a68a2a3f 100644 --- a/net/netfilter/xt_bpf.c +++ b/net/netfilter/xt_bpf.c @@ -29,6 +29,7 @@ static int __bpf_mt_check_bytecode(struct sock_filter *insns, __u16 len, if (len > XT_BPF_MAX_NUM_INSTR) return -EINVAL; + memset(&program, 0x0, sizeof(program)); program.len = len; program.filter = insns; -- 2.25.1
