Re: [PATCH] mm: cma: Fix incorrect type conversion for size during dma allocation

From: Greg Kroah-Hartman
Date: Mon Oct 12 2015 - 22:12:14 EST


On Mon, Oct 12, 2015 at 05:00:47PM -0700, Rohit Vaswani wrote:
> This was found during userspace fuzzing test when a large size
> dma cma allocation is made by driver(like ion) through userspace.
>
> show_stack+0x10/0x1c
> dump_stack+0x74/0xc8
> kasan_report_error+0x2b0/0x408
> kasan_report+0x34/0x40
> __asan_storeN+0x15c/0x168
> memset+0x20/0x44
> __dma_alloc_coherent+0x114/0x18c
>
> Change-Id: I4e2db81c496604ecbe93ec21fe8ee94589c8eb63

We can't do anything with gerrit ids, sorry, please remove.

thanks,

greg k-h
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