Re: [PATCH 6.12.y] scsi: storvsc: Ratelimit warning logs to prevent VM denial of service

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On Mon, Jan 27, 2025 at 06:29:54PM +0000, Easwar Hariharan wrote:
> commit d2138eab8cde61e0e6f62d0713e45202e8457d6d upstream
> 
> If there's a persistent error in the hypervisor, the SCSI warning for
> failed I/O can flood the kernel log and max out CPU utilization,
> preventing troubleshooting from the VM side. Ratelimit the warning so
> it doesn't DoS the VM.
> 
> Closes: https://github.com/microsoft/WSL/issues/9173
> Signed-off-by: Easwar Hariharan <eahariha@xxxxxxxxxxxxxxxxxxx>
> Link: https://lore.kernel.org/r/20250107-eahariha-ratelimit-storvsc-v1-1-7fc193d1f2b0@xxxxxxxxxxxxxxxxxxx
> Reviewed-by: Michael Kelley <mhklinux@xxxxxxxxxxx>
> Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
> Signed-off-by: Easwar Hariharan <eahariha@xxxxxxxxxxxxxxxxxxx>
> ---
>  drivers/scsi/storvsc_drv.c | 8 +++++++-
>  1 file changed, 7 insertions(+), 1 deletion(-)

What about 6.13.y?






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