On Mon, Jan 15, 2018 at 2:32 AM, Jan Kara <jack@xxxxxxx> wrote: > On Thu 11-01-18 16:47:35, Dan Williams wrote: >> Static analysis reports that 'eahd->appAttrLocation' and >> 'eahd->impAttrLocation' may be a user controlled values that are used as >> data dependencies for calculating source and destination buffers for >> memmove operations. In order to avoid potential leaks of kernel memory >> values, block speculative execution of the instruction stream that could >> issue further reads based on invalid 'aal' or 'ial' values. >> >> Based on an original patch by Elena Reshetova. >> >> Cc: Jan Kara <jack@xxxxxxxx> >> Signed-off-by: Elena Reshetova <elena.reshetova@xxxxxxxxx> >> Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx> > > Dan, I've already emailed to you [1] why I don't think this patch is needed > at all. Do you disagree or did my email just get lost? > > [1] https://marc.info/?l=linux-arch&m=151540683024125&w=2 Sorry, I missed that one before the v2 posting went out. I've dropped this from the v3 [1] posting. [1]: https://marc.info/?l=linux-kernel&m=151586794400997&w=2
