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Change History

https://git.kernel.org/stable/c/510e1a724ab1bf38150be2c1acabb303f98d0047

https://git.kernel.org/stable/c/de4afec2d2946c92c62a15ab341c70b287289e6a

In the Linux kernel, the following vulnerability has been resolved:

dma-debug: prevent an error message from causing runtime problems

For some drivers, that use the DMA API. This error message can be reached
several millions of times per second, causing spam to the kernel's printk
buffer and bringing the CPU usage up to 100% (so, it should be rate
limited). However, since there is at least one driver that is in the
mainline and suffers from the error condition, it is more useful to
err_printk(

kernel.org https://git.kernel.org/stable/c/510e1a724ab1bf38150be2c1acabb303f98d0047 [No types assigned]

kernel.org https://git.kernel.org/stable/c/de4afec2d2946c92c62a15ab341c70b287289e6a [No types assigned]