On 4/1/2019 7:05 AM, Yue Haibing wrote:
From: YueHaibing <[email protected]> If dccp_feat_push_change fails, we forget free the mem which is alloced by kmemdup in dccp_feat_clone_sp_val. Reported-by: Hulk Robot <[email protected]> Fixes: e8ef967a54f4 ("dccp: Registration routines for changing feature values") Reviewed-by: Mukesh Ojha <[email protected]> Signed-off-by: YueHaibing <[email protected]> ---
I don't think it is the first version. Do keep in mind to put detail here . -Mukesh
net/dccp/feat.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/net/dccp/feat.c b/net/dccp/feat.c index f227f00..db87d9f 100644 --- a/net/dccp/feat.c +++ b/net/dccp/feat.c @@ -738,7 +738,12 @@ static int __feat_register_sp(struct list_head *fn, u8 feat, u8 is_local, if (dccp_feat_clone_sp_val(&fval, sp_val, sp_len)) return -ENOMEM;- return dccp_feat_push_change(fn, feat, is_local, mandatory, &fval);+ if (dccp_feat_push_change(fn, feat, is_local, mandatory, &fval)) { + kfree(fval.sp.vec); + return -ENOMEM; + } + + return 0; }/**
