From: lily <floridsleeves@xxxxxxxxx>
[ Upstream commit c624c58e08b15105662b9ab9be23d14a6b945a49 ]
skb_copy_bits() could fail, which requires a check on the return
value.
Signed-off-by: Li Zhong <floridsleeves@xxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
net/core/skbuff.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 5b3559cb1d827..c4a1cd9861857 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -4179,9 +4179,8 @@ struct sk_buff *skb_segment(struct sk_buff *head_skb,
SKB_GSO_CB(nskb)->csum_start =
skb_headroom(nskb) + doffset;
} else {
- skb_copy_bits(head_skb, offset,
- skb_put(nskb, len),
- len);
+ if (skb_copy_bits(head_skb, offset, skb_put(nskb, len), len))
+ goto err;
}
continue;
}
--
2.35.1
