lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Tue, 30 Aug 2022 13:21:35 -0400 From: Sasha Levin <sashal@...nel.org> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org Cc: lily <floridsleeves@...il.com>, "David S . Miller" <davem@...emloft.net>, Sasha Levin <sashal@...nel.org>, edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com, asml.silence@...il.com, imagedong@...cent.com, luiz.von.dentz@...el.com, vasily.averin@...ux.dev, jk@...econstruct.com.au, netdev@...r.kernel.org Subject: [PATCH AUTOSEL 5.15 18/23] net/core/skbuff: Check the return value of skb_copy_bits() From: lily <floridsleeves@...il.com> [ Upstream commit c624c58e08b15105662b9ab9be23d14a6b945a49 ] skb_copy_bits() could fail, which requires a check on the return value. Signed-off-by: Li Zhong <floridsleeves@...il.com> Signed-off-by: David S. Miller <davem@...emloft.net> Signed-off-by: Sasha Levin <sashal@...nel.org> --- 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 5ebef94e14dc6..161406cd991ae 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -4188,9 +4188,8 @@ 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
Powered by blists - more mailing lists