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| author | Bruno Carneiro da Cunha <brunocarneirodacunha@usp.br> | 2019-12-05 17:16:26 -0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-12-06 20:51:19 -0800 |
| commit | 04aa1bc42e4d31a7c58f38eefc323ac395517635 (patch) | |
| tree | 7ea4fe671733582122197606e02c78fa4ba04d06 /arch/um | |
| parent | 9424e2e7ad93ffffa88f882c9bc5023570904b55 (diff) | |
| download | linux-04aa1bc42e4d31a7c58f38eefc323ac395517635.tar.bz2 | |
lpc_eth: kernel BUG on remove
We may have found a bug in the nxp/lpc_eth.c driver. The function
platform_set_drvdata() is called twice, the second time it is called,
in lpc_mii_init(), it overwrites the struct net_device which should be
at pdev->dev->driver_data with pldat->mii_bus. When trying to remove
the driver, in lpc_eth_drv_remove(), platform_get_drvdata() will
return the pldat->mii_bus pointer and try to use it as a struct
net_device pointer. This causes unregister_netdev to segfault and
generate a kernel BUG. Is this reproducible?
Signed-off-by: Daniel Martinez <linux@danielsmartinez.com>
Signed-off-by: Bruno Carneiro da Cunha <brunocarneirodacunha@usp.br>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/um')
0 files changed, 0 insertions, 0 deletions