linux-kernel - Re: [PATCH 5.10 00/40] 5.10.3-rc1 review

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Message-ID: <X/YUPr5fmVDKcSAK@kroah.com>
Date:   Wed, 6 Jan 2021 20:49:18 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Jeffrin Jose T <jeffrin@...agiritech.edu.in>
Cc:     Guenter Roeck <linux@...ck-us.net>, Pavel Machek <pavel@...x.de>,
        linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
        akpm@...ux-foundation.org, shuah@...nel.org, patches@...nelci.org,
        lkft-triage@...ts.linaro.org, stable@...r.kernel.org
Subject: Re: [PATCH 5.10 00/40] 5.10.3-rc1 review

On Thu, Jan 07, 2021 at 01:08:01AM +0530, Jeffrin Jose T wrote:
> On Mon, 2021-01-04 at 07:21 +0100, Greg Kroah-Hartman wrote:
> > On Sun, Jan 03, 2021 at 06:37:51PM +0530, Jeffrin Jose T wrote:
> > > On Mon, 2020-12-28 at 12:41 -0800, Guenter Roeck wrote:
> > > > On 12/28/20 1:50 AM, Pavel Machek wrote:
> > > > > Hi!
> > > > > 
> > > > > > > > > > > https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.10.3-rc1.gz
> > > > > > > > > > > or in the git tree and branch at:
> > > > > > > > > > >         git://git.kernel.org/pub/scm/linux/kernel/g
> > > > > > > > > > > it/s
> > > > > > > > > > > table/
> > > > > > > > > > > linu
> > > > > > > > > > > x-
> > > > > > > > > > > stable-rc.git linux-5.10.y
> > > > > > > > > > > and the diffstat can be found below.
> > > > > > > > > > > 
> > > > > > > > > > > thanks,
> > > > > > > > > > > 
> > > > > > > > > > > greg k-h
> > > > > > > > > > 
> > > > > > > > > > hello ,
> > > > > > > > > > Compiled and booted 5.10.3-rc1+.
> > > > > > > > > > 
> > > > > > > > > > dmesg -l err gives...
> > > > > > > > > > --------------x-------------x------------------->
> > > > > > > > > >    43.190922] Bluetooth: hci0: don't support firmware
> > > > > > > > > > rome
> > > > > > > > > > 0x31010100
> > > > > > > > > > --------------x---------------x----------------->
> > > > > > > > > > 
> > > > > > > > > > My Bluetooth is Off.
> > > > > > > > > 
> > > > > > > > > Is this a new warning?  Does it show up on 5.10.2?
> > > > > > > > > 
> > > > > > > > > > Tested-by: Jeffrin Jose T <
> > > > > > > > > > jeffrin@...agiritech.edu.in>
> > > > > > > > > 
> > > > > > > > > thanks for testing?
> > > > > > > > > 
> > > > > > > > > greg k-h
> > > > > > > > 
> > > > > > > > this does not show up in 5.10.2-rc1+
> > > > > > > 
> > > > > > > Odd.  Can you run 'git bisect' to find the offending
> > > > > > > commit?
> > > > > > > 
> > > > > > > Does this same error message show up in Linus's git tree?
> > > > > 
> > > > > > i will try to do "git bisect" .  i saw this error in linus's 
> > > > > > tree.
> > > > > 
> > > > > The bug is in -stable, too, so it is probably easiest to do
> > > > > bisect
> > > > > on
> > > > > -stable tree. IIRC there's less then few hundred commits, so it
> > > > > should
> > > > > be feasible to do bisection by hand if you are not familiar
> > > > > with
> > > > > git
> > > > > bisect.
> > > > > 
> > > > 
> > > > My wild guess would be commit b260e4a68853 ("Bluetooth: Fix slab-
> > > > out-
> > > > of-bounds
> > > > read in hci_le_direct_adv_report_evt()"), but I don't see what
> > > > might
> > > > be wrong
> > > > with it unless some BT device sends a bad report which used to be
> > > > accepted
> > > > but is now silently ignored.
> > > > 
> > > > Guenter
> > > > 
> > > hello,
> > > 
> > > Did  "git bisect" in  a typically ok fashion and found that 5.9.0
> > > is
> > > working for bluetooth related. But 5.10.0-rc1  related is not
> > > working.
> > > 
> > > some related information in bisect.txt  attached.
> > > 
> > > -- 
> > > software engineer
> > > rajagiri school of engineering and technology - autonomous
> > > 
> > 
> > > $sudo git bisect bad
> > > Bisecting: 0 revisions left to test after this (roughly 1 step)
> > > [194810f78402128fe07676646cf9027fd3ed431c] dt-bindings: leds:
> > > Update devicetree documents for ID_RGB
> > > 
> > > $sudo git bisect bad
> > > Bisecting: 0 revisions left to test after this (roughly 0 steps)
> > > [3650b228f83adda7e5ee532e2b90429c03f7b9ec] Linux 5.10-rc1
> > 
> > That's really odd, as that commit only has a Makefile change.
> 
> i will try to work on it again
> 
> > Also, why run this as root?
> > 
> there may be some problem in my sudo configurtion or the way in run
> sudo.\
> when i run "make modules_install" and "make install" using sudo typical
> files 
> ownership changes to root.

That's fine when installing the kernel, but not when building or running
git, please don't do that.