From: patchwork-bot+netdevbpf@kernel.org
To: Sergei Antonov <saproj@gmail.com>
Cc: netdev@vger.kernel.org, vivien.didelot@savoirfairelinux.com,
f.fainelli@gmail.com, davem@davemloft.net, olteanv@gmail.com
Subject: Re: [PATCH] net: dsa: mv88e6060: prevent crash on an unused port
Date: Sat, 13 Aug 2022 00:50:13 +0000 [thread overview]
Message-ID: <166035181383.28473.10389431989705713321.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20220811070939.1717146-1-saproj@gmail.com>
Hello:
This patch was applied to netdev/net.git (master)
by Jakub Kicinski <kuba@kernel.org>:
On Thu, 11 Aug 2022 10:09:39 +0300 you wrote:
> If the port isn't a CPU port nor a user port, 'cpu_dp'
> is a null pointer and a crash happened on dereferencing
> it in mv88e6060_setup_port():
>
> [ 9.575872] Unable to handle kernel NULL pointer dereference at virtual address 00000014
> ...
> [ 9.942216] mv88e6060_setup from dsa_register_switch+0x814/0xe84
> [ 9.948616] dsa_register_switch from mdio_probe+0x2c/0x54
> [ 9.954433] mdio_probe from really_probe.part.0+0x98/0x2a0
> [ 9.960375] really_probe.part.0 from driver_probe_device+0x30/0x10c
> [ 9.967029] driver_probe_device from __device_attach_driver+0xb8/0x13c
> [ 9.973946] __device_attach_driver from bus_for_each_drv+0x90/0xe0
> [ 9.980509] bus_for_each_drv from __device_attach+0x110/0x184
> [ 9.986632] __device_attach from bus_probe_device+0x8c/0x94
> [ 9.992577] bus_probe_device from deferred_probe_work_func+0x78/0xa8
> [ 9.999311] deferred_probe_work_func from process_one_work+0x290/0x73c
> [ 10.006292] process_one_work from worker_thread+0x30/0x4b8
> [ 10.012155] worker_thread from kthread+0xd4/0x10c
> [ 10.017238] kthread from ret_from_fork+0x14/0x3c
>
> [...]
Here is the summary with links:
- net: dsa: mv88e6060: prevent crash on an unused port
https://git.kernel.org/netdev/net/c/246bbf2f977e
You are awesome, thank you!
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prev parent reply other threads:[~2022-08-13 0:50 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-11 7:09 [PATCH] net: dsa: mv88e6060: prevent crash on an unused port Sergei Antonov
2022-08-13 0:50 ` patchwork-bot+netdevbpf [this message]
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