Thread (2 messages) flat view 2 messages, 2 authors, 2021-04-19

Re: [PATCH v2] net: fix a data race when get vlan device

From: patchwork-bot+netdevbpf@kernel.org
Date: 2021-04-19 23:10:15

Hello:

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

On Mon, 19 Apr 2021 21:56:41 +0800 you wrote:
From: Di Zhu <redacted>

We encountered a crash: in the packet receiving process, we got an
illegal VLAN device address, but the VLAN device address saved in vmcore
is correct. After checking the code, we found a possible data
competition:
CPU 0:                             CPU 1:
    (RCU read lock)                  (RTNL lock)
    vlan_do_receive()		       register_vlan_dev()
      vlan_find_dev()

[...]
Here is the summary with links:
  - [v2] net: fix a data race when get vlan device
    https://git.kernel.org/netdev/net/c/c1102e9d49eb

You are awesome, thank you!
--
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