Hello:
This patch was applied to netdev/net.git (refs/heads/master):
On Wed, 28 Apr 2021 22:38:14 +0800 you wrote:
> From: Zhang Zhengming <zhangzhengming@xxxxxxxxxx>
>
> There is a crash in the function br_get_link_af_size_filtered,
> as the port_exists(dev) is true and the rx_handler_data of dev is NULL.
> But the rx_handler_data of dev is correct saved in vmcore.
>
> The oops looks something like:
> ...
> pc : br_get_link_af_size_filtered+0x28/0x1c8 [bridge]
> ...
> Call trace:
> br_get_link_af_size_filtered+0x28/0x1c8 [bridge]
> if_nlmsg_size+0x180/0x1b0
> rtnl_calcit.isra.12+0xf8/0x148
> rtnetlink_rcv_msg+0x334/0x370
> netlink_rcv_skb+0x64/0x130
> rtnetlink_rcv+0x28/0x38
> netlink_unicast+0x1f0/0x250
> netlink_sendmsg+0x310/0x378
> sock_sendmsg+0x4c/0x70
> __sys_sendto+0x120/0x150
> __arm64_sys_sendto+0x30/0x40
> el0_svc_common+0x78/0x130
> el0_svc_handler+0x38/0x78
> el0_svc+0x8/0xc
>
> [...]
Here is the summary with links:
- [v2] bridge: Fix possible races between assigning rx_handler_data and setting IFF_BRIDGE_PORT bit
https://git.kernel.org/netdev/net/c/59259ff7a81b
You are awesome, thank you!
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