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SubjectRe: [PATCH] Fix: buffer overflow during hvc_alloc().
On 6/4/20 6:40 am, wrote:
> From: Andrew Melnychenko <>
> If there is a lot(more then 16) of virtio-console devices
> or virtio_console module is reloaded
> - buffers 'vtermnos' and 'cons_ops' are overflowed.
> In older kernels it overruns spinlock which leads to kernel freezing:

This Bugzilla report isn't publicly accessible. Can you include a
relevant summary here and/or make the report publicly viewable?

If it does indeed lead to a kernel freeze, this should be tagged with a
Fixes: and a Cc:

Andrew Donnellan OzLabs, ADL Canberra IBM Australia Limited

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