Re: [PATCH net] net/802/garp: fix memleak in garp_request_join()

From: patchwork-bot+netdevbpf
Date: Thu Jul 01 2021 - 14:30:08 EST


Hello:

This patch was applied to netdev/net.git (refs/heads/master):

On Tue, 29 Jun 2021 19:53:28 +0800 you wrote:
> I got kmemleak report when doing fuzz test:
>
> BUG: memory leak
> unreferenced object 0xffff88810c909b80 (size 64):
> comm "syz", pid 957, jiffies 4295220394 (age 399.090s)
> hex dump (first 32 bytes):
> 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
> 00 00 00 00 00 00 00 00 08 00 00 00 01 02 00 04 ................
> backtrace:
> [<00000000ca1f2e2e>] garp_request_join+0x285/0x3d0
> [<00000000bf153351>] vlan_gvrp_request_join+0x15b/0x190
> [<0000000024005e72>] vlan_dev_open+0x706/0x980
> [<00000000dc20c4d4>] __dev_open+0x2bb/0x460
> [<0000000066573004>] __dev_change_flags+0x501/0x650
> [<0000000035b42f83>] rtnl_configure_link+0xee/0x280
> [<00000000a5e69de0>] __rtnl_newlink+0xed5/0x1550
> [<00000000a5258f4a>] rtnl_newlink+0x66/0x90
> [<00000000506568ee>] rtnetlink_rcv_msg+0x439/0xbd0
> [<00000000b7eaeae1>] netlink_rcv_skb+0x14d/0x420
> [<00000000c373ce66>] netlink_unicast+0x550/0x750
> [<00000000ec74ce74>] netlink_sendmsg+0x88b/0xda0
> [<00000000381ff246>] sock_sendmsg+0xc9/0x120
> [<000000008f6a2db3>] ____sys_sendmsg+0x6e8/0x820
> [<000000008d9c1735>] ___sys_sendmsg+0x145/0x1c0
> [<00000000aa39dd8b>] __sys_sendmsg+0xfe/0x1d0
>
> [...]

Here is the summary with links:
- [net] net/802/garp: fix memleak in garp_request_join()
https://git.kernel.org/netdev/net/c/42ca63f98084

You are awesome, thank you!
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