netdev - Re: [PATCH net v3] tipc: Change nla_policy for bearer-related names to NLA_NUL

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Message-Id: 
 <169890428747.30377.3228874789339352115.git-patchwork-notify@kernel.org>
Date: Thu, 02 Nov 2023 05:51:27 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Shigeru Yoshida <syoshida@...hat.com>
Cc: jmaloy@...hat.com, ying.xue@...driver.com, netdev@...r.kernel.org,
 tipc-discussion@...ts.sourceforge.net, linux-kernel@...r.kernel.org,
 syzbot+5138ca807af9d2b42574@...kaller.appspotmail.com,
 syzbot+9425c47dccbcb4c17d51@...kaller.appspotmail.com
Subject: Re: [PATCH net v3] tipc: Change nla_policy for bearer-related names to
 NLA_NUL_STRING

Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@...nel.org>:

On Mon, 30 Oct 2023 16:55:40 +0900 you wrote:
> syzbot reported the following uninit-value access issue [1]:
> 
> =====================================================
> BUG: KMSAN: uninit-value in strlen lib/string.c:418 [inline]
> BUG: KMSAN: uninit-value in strstr+0xb8/0x2f0 lib/string.c:756
>  strlen lib/string.c:418 [inline]
>  strstr+0xb8/0x2f0 lib/string.c:756
>  tipc_nl_node_reset_link_stats+0x3ea/0xb50 net/tipc/node.c:2595
>  genl_family_rcv_msg_doit net/netlink/genetlink.c:971 [inline]
>  genl_family_rcv_msg net/netlink/genetlink.c:1051 [inline]
>  genl_rcv_msg+0x11ec/0x1290 net/netlink/genetlink.c:1066
>  netlink_rcv_skb+0x371/0x650 net/netlink/af_netlink.c:2545
>  genl_rcv+0x40/0x60 net/netlink/genetlink.c:1075
>  netlink_unicast_kernel net/netlink/af_netlink.c:1342 [inline]
>  netlink_unicast+0xf47/0x1250 net/netlink/af_netlink.c:1368
>  netlink_sendmsg+0x1238/0x13d0 net/netlink/af_netlink.c:1910
>  sock_sendmsg_nosec net/socket.c:730 [inline]
>  sock_sendmsg net/socket.c:753 [inline]
>  ____sys_sendmsg+0x9c2/0xd60 net/socket.c:2541
>  ___sys_sendmsg+0x28d/0x3c0 net/socket.c:2595
>  __sys_sendmsg net/socket.c:2624 [inline]
>  __do_sys_sendmsg net/socket.c:2633 [inline]
>  __se_sys_sendmsg net/socket.c:2631 [inline]
>  __x64_sys_sendmsg+0x307/0x490 net/socket.c:2631
>  do_syscall_x64 arch/x86/entry/common.c:50 [inline]
>  do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
>  entry_SYSCALL_64_after_hwframe+0x63/0xcd
> 
> [...]

Here is the summary with links:
  - [net,v3] tipc: Change nla_policy for bearer-related names to NLA_NUL_STRING
    https://git.kernel.org/netdev/net/c/19b3f72a41a8

You are awesome, thank you!
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