Re: [PATCH 5.10 000/286] 5.10.209-rc1 review

[Greg Kroah-Hartman <gregkh@linuxfoundation.org>]

On Fri, Jan 26, 2024 at 01:01:15PM -0800, Guenter Roeck wrote:
> On 1/26/24 12:34, Nathan Chancellor wrote:
> > On Fri, Jan 26, 2024 at 10:17:23AM -0800, Guenter Roeck wrote:
> > > On 1/26/24 09:51, Greg Kroah-Hartman wrote:
> > > > On Fri, Jan 26, 2024 at 08:46:42AM -0800, Guenter Roeck wrote:
> > > > > On 1/22/24 15:55, Greg Kroah-Hartman wrote:
> > > > > > This is the start of the stable review cycle for the 5.10.209 release.
> > > > > > There are 286 patches in this series, all will be posted as a response
> > > > > > to this one.  If anyone has any issues with these being applied, please
> > > > > > let me know.
> > > > > > 
> > > > > > Responses should be made by Wed, 24 Jan 2024 23:56:49 +0000.
> > > > > > Anything received after that time might be too late.
> > > > > > 
> > > > > [ ... ]
> > > > > 
> > > > > > zhenwei pi <pizhenwei@bytedance.com>
> > > > > >        virtio-crypto: implement RSA algorithm
> > > > > > 
> > > > > 
> > > > > Curious: Why was this (and its subsequent fixes) backported to v5.10.y ?
> > > > > It is quite beyond a bug fix. Also, unless I am really missing something,
> > > > > the series (or at least this patch) was not applied to v5.15.y, so we now
> > > > > have functionality in v5.10.y which is not in v5.15.y.
> > > > 
> > > > See the commit text, it was a dependency of a later fix and documented
> > > > as such.
> > > > 
> > > > Having it in 5.10 and not 5.15 is a bit odd, I agree, so patches are
> > > > gladly accepted :)
> > > > 
> > > 
> > > We reverted the entire series from the merge because it results in a build
> > > failure for us.
> > > 
> > > In file included from /home/groeck/src/linux-chromeos/drivers/crypto/virtio/virtio_crypto_akcipher_algs.c:10:
> > > In file included from /home/groeck/src/linux-chromeos/include/linux/mpi.h:21:
> > > In file included from /home/groeck/src/linux-chromeos/include/linux/scatterlist.h:5:
> > > In file included from /home/groeck/src/linux-chromeos/include/linux/string.h:293:
> > > /home/groeck/src/linux-chromeos/include/linux/fortify-string.h:512:4: error: call to __read_overflow2_field declared with 'warning' attribute: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Werror,-Wattribute-warning]
> > >                          __read_overflow2_field(q_size_field, size);
> > 
> > For what it's worth, this is likely self inflicted for chromeos-5.10,
> > which carries a revert of commit eaafc590053b ("fortify: Explicitly
> > disable Clang support") as commit c19861d34c003 ("CHROMIUM: Revert
> > "fortify: Explicitly disable Clang support""). I don't see the series
> > that added proper support for clang to fortify in 5.18 that ended with
> > commit 281d0c962752 ("fortify: Add Clang support") in that ChromeOS
> > branch, so this seems somewhat expected.
> > 
> 
> That explains that ;-). I don't mind if the patches stay in v5.10.y,
> we have them reverted anyway.

Ok, I'll leave them as-is for now, thanks.

greg k-h