Messages in this thread | | | Date | Mon, 27 Jun 2022 13:07:55 +0200 | From | Greg Kroah-Hartman <> | Subject | Re: [PATCH] vt: fix memory overlapping when deleting chars in the buffer |
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On Mon, Jun 27, 2022 at 07:04:17PM +0800, Yangxi Xiang wrote: > > What commit does this fix? how was this tested? > > This bug is triggered by running a dynamic analysis on the kernel, > with the help of sanitizer to observe this bug. This memory > overlapping copy can cause data corruption when scr_memcpyw is > optimized to memcpy because memcpy does not ensure its behavior if > the destination buffer overlaps with the source buffer.
And what commit id does this fix, or has it always been broken?
thanks,
greg k-h
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