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Message-ID: <7e9f-65c0c680-1-1d70df60@6844130>
Date: Mon, 05 Feb 2024 11:29:50 +0000
From: "Shreeya Patel" <shreeya.patel@...labora.com>
To: Daniel Díaz <daniel.diaz@...aro.org>, mathias.nyman@...ux.intel.com, "Greg KH" <gregkh@...uxfoundation.org>
Cc: stable@...r.kernel.org, patches@...ts.linux.dev, linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org, akpm@...ux-foundation.org, linux@...ck-us.net, shuah@...nel.org, patches@...nelci.org, lkft-triage@...ts.linaro.org, pavel@...x.de, jonathanh@...dia.com, f.fainelli@...il.com, sudipm.mukherjee@...il.com, srw@...dewatkins.net, rwarsow@....de, conor@...nel.org, allen.lkml@...il.com, mathias.nyman@...ux.intel.com, "Gustavo Padovan" <gustavo.padovan@...labora.com>
Subject: Re: [PATCH 6.1 000/219]
6.1.77-rc1 review
On Saturday, February 03, 2024 11:53 IST, Daniel Díaz <daniel.diaz@...aro.org> wrote:
> Hello!
>
> On 02/02/24 10:02 p. m., Greg Kroah-Hartman wrote:
> > This is the start of the stable review cycle for the 6.1.77 release.
> > There are 219 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 Mon, 05 Feb 2024 03:51:47 +0000.
> > Anything received after that time might be too late.
> >
> > The whole patch series can be found in one patch at:
> > https://www.kernel.org/pub/linux/kernel/v6.x/stable-review/patch-61.77-rc1.gz
> > or in the git tree and branch at:
> > git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-6.1.y
> > and the diffstat can be found below.
> >
> > thanks,
> >
> > greg k-h
>
> We're seeing lots of build problems and warnings with Clang 17 and Clang nightly:
>
> -----8<-----
> /builds/linux/drivers/usb/host/xhci.c:1684:37: error: variable 'slot_id' is uninitialized when used here [-Werror,-Wuninitialized]
> 1684 | ret = xhci_check_maxpacket(xhci, slot_id,
> | ^~~~~~~
> /builds/linux/drivers/usb/host/xhci.c:1652:22: note: initialize the variable 'slot_id' to silence this warning
> 1652 | unsigned int slot_id, ep_index;
> | ^
> | = 0
> 1 error generated.
> make[5]: *** [/builds/linux/scripts/Makefile.build:250: drivers/usb/host/xhci.o] Error 1
> ----->8-----
>
> Bisection points to:
>
> commit 37ef029fe9a5639f12250f75f5d1594c6a11e181
> Author: Mathias Nyman <mathias.nyman@...ux.intel.com>
> Date: Fri Dec 1 17:06:47 2023 +0200
>
> xhci: fix possible null pointer deref during xhci urb enqueue
>
> [ Upstream commit e2e2aacf042f52854c92775b7800ba668e0bdfe4 ]
>
> Reverting the patch makes the build pass.
>
Hi Daniel and Greg,
Reverting this patch causes some boot failures :-
https://linux.kernelci.org/test/job/stable-rc/branch/linux-6.1.y/kernel/v6.1.76-220-g4f7472958779c/plan/baseline/
Not sure if reverting would be the best way to fix this issue.
Thanks,
Shreeya Patel
> The problem manifests as build error in i386 and x86_64, and as new warnings on Arm, Arm64, and RISC-V.
>
> Some reproducers:
>
> tuxmake --runtime podman --target-arch arm --toolchain clang-17 --kconfig omap2plus_defconfig LLVM=1 LLVM_IAS=1
> tuxmake --runtime podman --target-arch x86_64 --toolchain clang-17 --kconfig x86_64_defconfig LLVM=1 LLVM_IAS=1
>
> Reported-by: Linux Kernel Functional Testing <lkft@...aro.org>
>
>
> Greetings!
>
> Daniel Díaz
> daniel.diaz@...aro.org
>
>
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