diff options
| author | lily <floridsleeves@gmail.com> | 2022-08-22 22:44:11 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-09-15 10:47:09 +0200 |
| commit | a62701db411f3cbad13479101f4e2458ffff9e06 (patch) | |
| tree | e23bc2e5c8014ae940d486c151bede72d6d6664d /net | |
| parent | 73085208dd6b1a83bc38aa74d79efaa5741c3436 (diff) | |
| download | linux-a62701db411f3cbad13479101f4e2458ffff9e06.tar.gz linux-a62701db411f3cbad13479101f4e2458ffff9e06.tar.bz2 linux-a62701db411f3cbad13479101f4e2458ffff9e06.zip | |
net/core/skbuff: Check the return value of skb_copy_bits()
[ Upstream commit c624c58e08b15105662b9ab9be23d14a6b945a49 ]
skb_copy_bits() could fail, which requires a check on the return
value.
Signed-off-by: Li Zhong <floridsleeves@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'net')
| -rw-r--r-- | net/core/skbuff.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/net/core/skbuff.c b/net/core/skbuff.c index bebf58464d66..4b2b07a9422c 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -4179,9 +4179,8 @@ normal: 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; } |