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: Sat, 26 Mar 2022 18:50:10 +0000 From: patchwork-bot+netdevbpf@...nel.org To: Duoming Zhou <duoming@....edu.cn> Cc: linux-x25@...r.kernel.org, netdev@...r.kernel.org, linux-kernel@...r.kernel.org, ms@....tdt.de, davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com, tanxin.ctf@...il.com, xiyuyang19@...an.edu.cn, linma@....edu.cn Subject: Re: [PATCH net V2] net/x25: Fix null-ptr-deref caused by x25_disconnect Hello: This patch was applied to netdev/net.git (master) by David S. Miller <davem@...emloft.net>: On Sat, 26 Mar 2022 18:43:46 +0800 you wrote: > When the link layer is terminating, x25->neighbour will be set to NULL > in x25_disconnect(). As a result, it could cause null-ptr-deref bugs in > x25_sendmsg(),x25_recvmsg() and x25_connect(). One of the bugs is > shown below. > > (Thread 1) | (Thread 2) > x25_link_terminated() | x25_recvmsg() > x25_kill_by_neigh() | ... > x25_disconnect() | lock_sock(sk) > ... | ... > x25->neighbour = NULL //(1) | > ... | x25->neighbour->extended //(2) > > [...] Here is the summary with links: - [net,V2] net/x25: Fix null-ptr-deref caused by x25_disconnect https://git.kernel.org/netdev/net/c/7781607938c8 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html
Powered by blists - more mailing lists