cron job: media_tree daily build: ERRORS

This message is generated daily by a cron job that builds media_tree for the kernels and architectures in the list below. Results of the daily build of media_tree: date: Sun Jan 7 05:00:15 CET 2018 media-tree git hash:e3ee691dbf24096ea51b3200946b11d68ce75361 media_build

Re: dvb usb issues since kernel 4.9

On Sat, 6 Jan 2018, Mauro Carvalho Chehab wrote: > Hi Josef, > > Em Sat, 6 Jan 2018 16:04:16 +0100 > "Josef Griebichler" escreveu: > > > Hi, > > > > the causing commit has been identified. > > After reverting commit > >

Aw: Re: dvb usb issues since kernel 4.9

Hi, thanks for adding the people involved! Yes arm and x86 are affected. Bisecting was not done by me on a x86_64 machine on mainline kernel and not raspbian kernel (https://forum.libreelec.tv/thread/4235-dvb-issue-since-le-switched-to-kernel-4-9-x/?postID=75965#post75965). In the mentioned

Re: [PATCH 00/18] prevent bounds-check bypass via speculative execution

On Sat, Jan 6, 2018 at 11:37 AM, Dan Williams wrote: > On Fri, Jan 5, 2018 at 5:09 PM, Dan Williams wrote: >> Quoting Mark's original RFC: >> >> "Recently, Google Project Zero discovered several classes of attack >> against speculative

Re: dvb usb issues since kernel 4.9

Hi Josef, Em Sat, 6 Jan 2018 16:04:16 +0100 "Josef Griebichler" escreveu: > Hi, > > the causing commit has been identified. > After reverting commit >

Re: [PATCH 00/18] prevent bounds-check bypass via speculative execution

On Fri, Jan 5, 2018 at 5:09 PM, Dan Williams wrote: > Quoting Mark's original RFC: > > "Recently, Google Project Zero discovered several classes of attack > against speculative execution. One of these, known as variant-1, allows > explicit bounds checks to be bypassed

Re: [PATCH 00/18] prevent bounds-check bypass via speculative execution

It sounds like Coverity was used to produce these patches? If so, is there a plan to have smatch (hey Dan) or other open source static analysis tool be possibly enhanced to do a similar type of work? I'd love for that to happen; the tricky part is being able to have even a sort of sensible

Re: [PATCH 00/18] prevent bounds-check bypass via speculative execution

Le 01/05/18 à 17:09, Dan Williams a écrit : > Quoting Mark's original RFC: > > "Recently, Google Project Zero discovered several classes of attack > against speculative execution. One of these, known as variant-1, allows > explicit bounds checks to be bypassed under speculation, providing an >

Re: [RFC/RFT PATCH 3/6] uvcvideo: Protect queue internals with helper

Hi Guennadi, On 04/01/18 18:25, Guennadi Liakhovetski wrote: > Hi Kieran, > > On Wed, 3 Jan 2018, Kieran Bingham wrote: > >> From: Kieran Bingham >> >> The URB completion operation obtains the current buffer by reading >> directly into the queue internal

Re: [RFC/RFT PATCH 1/6] uvcvideo: Refactor URB descriptors

Hi Guennadi, Thanks for your review, On 04/01/18 18:24, Guennadi Liakhovetski wrote: > Hi Kieran, > > Just minor suggestions below: > > On Wed, 3 Jan 2018, Kieran Bingham wrote: > >> From: Kieran Bingham >> >> We currently store three separate arrays for each

Re: [RFC/RFT PATCH 6/6] uvcvideo: Move decode processing to process context

Hi Guennadi, Thank you for taking the time to review this series, On 04/01/18 18:54, Guennadi Liakhovetski wrote: > On Wed, 3 Jan 2018, Kieran Bingham wrote: > >> From: Kieran Bingham >> >> Newer high definition cameras, and cameras with multiple lenses such as

Re: [PATCH 07/18] [media] uvcvideo: prevent bounds-check bypass via speculative execution

On Sat, Jan 6, 2018 at 1:40 AM, Greg KH wrote: > On Sat, Jan 06, 2018 at 10:09:07AM +0100, Greg KH wrote: >> On Fri, Jan 05, 2018 at 05:10:32PM -0800, Dan Williams wrote: >> > Static analysis reports that 'index' may be a user controlled value that >> > is used as a

[PATCH] [media] exynos4-is: make array 'cmd' static, shrinks object size

From: Colin Ian King Don't populate the const read-only array 'cmd' on the stack but instead make it static. Makes the object code smaller by 38 bytes: Before: textdata bss dec hex filename 4950 868 0581816ba fimc-is-regs.o

Re: [PATCH 0/2] Add FEC rates, S2X modulations and 64K transmission

Am Thu, 21 Dec 2017 21:23:19 +0100 schrieb Daniel Scheller : > From: Daniel Scheller > > As the DVB API is bumped to 5.11 for the next cycle. > > dddvb brings a few additional FEC rates (1/4 and 1/3), 64/128/256APSK > modulations (DVB-S2X) and the

Re: [PATCH 07/18] [media] uvcvideo: prevent bounds-check bypass via speculative execution

On Sat, Jan 06, 2018 at 10:09:07AM +0100, Greg KH wrote: > On Fri, Jan 05, 2018 at 05:10:32PM -0800, Dan Williams wrote: > > Static analysis reports that 'index' may be a user controlled value that > > is used as a data dependency to read 'pin' from the > > 'selector->baSourceID' array. In order

Re: [PATCH 07/18] [media] uvcvideo: prevent bounds-check bypass via speculative execution

On Fri, Jan 05, 2018 at 05:10:32PM -0800, Dan Williams wrote: > Static analysis reports that 'index' may be a user controlled value that > is used as a data dependency to read 'pin' from the > 'selector->baSourceID' array. In order to avoid potential leaks of > kernel memory values, block