[PATCH 4.14 00/57] 4.14.331-rc1 review

Greg Kroah-Hartman posted 57 patches 2 years, 1 month ago
Only 0 patches received!
Makefile                                           |  4 ++--
arch/parisc/kernel/entry.S                         |  7 +++---
arch/parisc/kernel/head.S                          |  5 ++---
arch/s390/mm/page-states.c                         | 19 +++++++++++++---
arch/x86/include/asm/msr-index.h                   |  1 +
arch/x86/include/asm/numa.h                        |  7 ------
arch/x86/kvm/x86.c                                 |  2 ++
arch/x86/mm/numa.c                                 |  7 ------
crypto/pcrypt.c                                    |  4 ++++
drivers/atm/iphase.c                               | 20 +++++++++--------
drivers/clocksource/tcb_clksrc.c                   |  1 +
drivers/clocksource/timer-imx-gpt.c                | 18 +++++++++++-----
drivers/gpu/drm/amd/include/pptable.h              |  4 ++--
drivers/gpu/drm/amd/powerplay/hwmgr/pptable_v1_0.h | 16 +++++++-------
drivers/i2c/busses/i2c-i801.c                      | 19 ++++++++--------
drivers/i2c/busses/i2c-sun6i-p2wi.c                |  5 +++++
drivers/infiniband/hw/hfi1/pcie.c                  |  9 ++------
drivers/mcb/mcb-core.c                             |  1 +
drivers/mcb/mcb-parse.c                            |  2 +-
drivers/media/platform/qcom/venus/hfi_msgs.c       |  2 +-
drivers/media/platform/qcom/venus/hfi_venus.c      | 10 +++++++++
drivers/media/platform/vivid/vivid-rds-gen.c       |  2 +-
drivers/media/rc/ir-sharp-decoder.c                |  8 ++++---
drivers/media/usb/gspca/cpia1.c                    |  3 +++
drivers/mmc/host/meson-gx-mmc.c                    |  1 -
drivers/mmc/host/vub300.c                          |  1 +
drivers/net/dsa/lan9303_mdio.c                     |  4 ++--
drivers/net/wireless/ath/ath10k/debug.c            |  2 +-
drivers/net/wireless/ath/ath9k/debug.c             |  2 +-
drivers/net/wireless/ath/ath9k/htc_drv_debug.c     |  2 +-
drivers/parisc/power.c                             | 16 +++++++++++++-
drivers/pci/pci-acpi.c                             |  2 +-
drivers/pci/pci-sysfs.c                            |  5 +----
drivers/scsi/libfc/fc_lport.c                      |  6 ++++++
drivers/scsi/virtio_scsi.c                         |  1 +
drivers/tty/hvc/hvc_xen.c                          |  5 +++--
drivers/tty/vcc.c                                  | 16 +++++++++++---
fs/ext4/acl.h                                      |  5 +++++
fs/ext4/resize.c                                   | 19 ++++++----------
fs/gfs2/quota.c                                    | 11 ++++++++++
fs/jbd2/recovery.c                                 |  8 +++++++
fs/jfs/jfs_dmap.c                                  | 23 +++++++++++++++-----
fs/jfs/jfs_imap.c                                  |  5 ++++-
include/linux/pwm.h                                |  4 ++--
include/net/sock.h                                 |  6 +++---
kernel/audit_watch.c                               |  9 +++++++-
kernel/irq/generic-chip.c                          | 25 ++++++++++++++++------
kernel/locking/test-ww_mutex.c                     | 20 ++++++++++-------
kernel/padata.c                                    |  2 +-
kernel/power/snapshot.c                            | 16 ++++++--------
net/core/sock.c                                    |  2 +-
net/ipv4/tcp_output.c                              |  2 +-
net/mac80211/cfg.c                                 |  4 ++++
net/sched/sch_api.c                                |  5 +++--
scripts/gcc-plugins/randomize_layout_plugin.c      | 11 +++++++---
sound/core/info.c                                  | 21 +++++++++++-------
sound/hda/hdac_stream.c                            |  6 ++++--
tools/testing/selftests/efivarfs/create-read.c     |  2 ++
58 files changed, 290 insertions(+), 155 deletions(-)
[PATCH 4.14 00/57] 4.14.331-rc1 review
Posted by Greg Kroah-Hartman 2 years, 1 month ago
This is the start of the stable review cycle for the 4.14.331 release.
There are 57 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 Sun, 26 Nov 2023 17:19:17 +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/v4.x/stable-review/patch-4.14.331-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-4.14.y
and the diffstat can be found below.

thanks,

greg k-h

-------------
Pseudo-Shortlog of commits:

Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    Linux 4.14.331-rc1

Eric Dumazet <edumazet@google.com>
    net: sched: fix race condition in qdisc_graft()

Dongli Zhang <dongli.zhang@oracle.com>
    scsi: virtio_scsi: limit number of hw queues by nr_cpu_ids

Kemeng Shi <shikemeng@huaweicloud.com>
    ext4: remove gdb backup copy for meta bg in setup_new_flex_group_blocks

Kemeng Shi <shikemeng@huaweicloud.com>
    ext4: correct return value of ext4_convert_meta_bg

Kemeng Shi <shikemeng@huaweicloud.com>
    ext4: correct offset of gdb backup in non meta_bg group to update_backups

Max Kellermann <max.kellermann@ionos.com>
    ext4: apply umask if ACL support is disabled

Vikash Garodia <quic_vgarodia@quicinc.com>
    media: venus: hfi: fix the check to handle session buffer requirement

Sean Young <sean@mess.org>
    media: sharp: fix sharp encoding

Heiner Kallweit <hkallweit1@gmail.com>
    i2c: i801: fix potential race in i801_block_transaction_byte_by_byte

Alexander Sverdlin <alexander.sverdlin@siemens.com>
    net: dsa: lan9303: consequently nested-lock physical MDIO

Takashi Iwai <tiwai@suse.de>
    ALSA: info: Fix potential deadlock at disconnection

Helge Deller <deller@gmx.de>
    parisc/power: Fix power soft-off when running on qemu

Helge Deller <deller@gmx.de>
    parisc/pgtable: Do not drop upper 5 address bits of physical address

Helge Deller <deller@gmx.de>
    parisc: Prevent booting 64-bit kernels on PA1.x machines

Heiko Carstens <hca@linux.ibm.com>
    s390/cmma: fix handling of swapper_pg_dir and invalid_pg_dir

Heiko Carstens <hca@linux.ibm.com>
    s390/cmma: fix initial kernel address space page table walk

Sanjuán García, Jorge <Jorge.SanjuanGarcia@duagon.com>
    mcb: fix error handling for different scenarios when parsing

Zhihao Cheng <chengzhihao1@huawei.com>
    jbd2: fix potential data lost in recovering journal raced with synchronizing fs bdev

Herve Codina <herve.codina@bootlin.com>
    genirq/generic_chip: Make irq_remove_generic_chip() irqdomain aware

Rong Chen <rong.chen@amlogic.com>
    mmc: meson-gx: Remove setting of CMD_CFG_ERROR

Brian Geffon <bgeffon@google.com>
    PM: hibernate: Clean up sync_read handling in snapshot_write_next()

Brian Geffon <bgeffon@google.com>
    PM: hibernate: Use __get_safe_page() rather than touching the list

Dan Carpenter <dan.carpenter@linaro.org>
    mmc: vub300: fix an error code

Helge Deller <deller@gmx.de>
    parisc/power: Add power soft-off when running on qemu

Lukas Wunner <lukas@wunner.de>
    PCI/sysfs: Protect driver's D3cold preference from user space

David Woodhouse <dwmw@amazon.co.uk>
    hvc/xen: fix error path in xen_hvc_init() to always register frontend driver

Paul Moore <paul@paul-moore.com>
    audit: don't WARN_ON_ONCE(!current->mm) in audit_exe_compare()

Paul Moore <paul@paul-moore.com>
    audit: don't take task_lock() in audit_exe_compare() code path

Maciej S. Szmigiero <maciej.szmigiero@oracle.com>
    KVM: x86: Ignore MSR_AMD64_TW_CFG access

Kees Cook <keescook@chromium.org>
    randstruct: Fix gcc-plugin performance mode to stay in group

Vikash Garodia <quic_vgarodia@quicinc.com>
    media: venus: hfi: add checks to perform sanity on queue pointers

Dan Carpenter <dan.carpenter@linaro.org>
    pwm: Fix double shift bug

Bob Peterson <rpeterso@redhat.com>
    gfs2: ignore negated quota changes

Hans Verkuil <hverkuil-cisco@xs4all.nl>
    media: vivid: avoid integer overflow

Rajeshwar R Shinde <coolrrsh@gmail.com>
    media: gspca: cpia1: shift-out-of-bounds in set_flicker

Axel Lin <axel.lin@ingics.com>
    i2c: sun6i-p2wi: Prevent potential division by zero

Yi Yang <yiyang13@huawei.com>
    tty: vcc: Add check for kstrdup() in vcc_probe()

Wenchao Hao <haowenchao2@huawei.com>
    scsi: libfc: Fix potential NULL pointer dereference in fc_lport_ptp_setup()

Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
    atm: iphase: Do PCI error checks on own line

Cezary Rojewski <cezary.rojewski@intel.com>
    ALSA: hda: Fix possible null-ptr-deref when assigning a stream

Manas Ghandat <ghandatmanas@gmail.com>
    jfs: fix array-index-out-of-bounds in diAlloc

Manas Ghandat <ghandatmanas@gmail.com>
    jfs: fix array-index-out-of-bounds in dbFindLeaf

Juntong Deng <juntong.deng@outlook.com>
    fs/jfs: Add validity check for db_maxag and db_agpref

Juntong Deng <juntong.deng@outlook.com>
    fs/jfs: Add check for negative db_l2nbperpage

Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
    RDMA/hfi1: Use FIELD_GET() to extract Link Width

Lu Jialin <lujialin4@huawei.com>
    crypto: pcrypt - Fix hungtask for PADATA_RESET

zhujun2 <zhujun2@cmss.chinamobile.com>
    selftests/efivarfs: create-read: fix a resource leak

Mario Limonciello <mario.limonciello@amd.com>
    drm/amd: Fix UBSAN array-index-out-of-bounds for Polaris and Tonga

Mario Limonciello <mario.limonciello@amd.com>
    drm/amd: Fix UBSAN array-index-out-of-bounds for SMU7

Eric Dumazet <edumazet@google.com>
    net: annotate data-races around sk->sk_dst_pending_confirm

Dmitry Antipov <dmantipov@yandex.ru>
    wifi: ath10k: fix clang-specific fortify warning

Dmitry Antipov <dmantipov@yandex.ru>
    wifi: ath9k: fix clang-specific fortify warnings

Ping-Ke Shih <pkshih@realtek.com>
    wifi: mac80211: don't return unset power in ieee80211_get_tx_power()

Mike Rapoport (IBM) <rppt@kernel.org>
    x86/mm: Drop the 4 MB restriction on minimal NUMA node memory size

Ronald Wahl <ronald.wahl@raritan.com>
    clocksource/drivers/timer-atmel-tcb: Fix initialization on SAM9 hardware

Jacky Bai <ping.bai@nxp.com>
    clocksource/drivers/timer-imx-gpt: Fix potential memory leak

John Stultz <jstultz@google.com>
    locking/ww_mutex/test: Fix potential workqueue corruption


-------------

Diffstat:

 Makefile                                           |  4 ++--
 arch/parisc/kernel/entry.S                         |  7 +++---
 arch/parisc/kernel/head.S                          |  5 ++---
 arch/s390/mm/page-states.c                         | 19 +++++++++++++---
 arch/x86/include/asm/msr-index.h                   |  1 +
 arch/x86/include/asm/numa.h                        |  7 ------
 arch/x86/kvm/x86.c                                 |  2 ++
 arch/x86/mm/numa.c                                 |  7 ------
 crypto/pcrypt.c                                    |  4 ++++
 drivers/atm/iphase.c                               | 20 +++++++++--------
 drivers/clocksource/tcb_clksrc.c                   |  1 +
 drivers/clocksource/timer-imx-gpt.c                | 18 +++++++++++-----
 drivers/gpu/drm/amd/include/pptable.h              |  4 ++--
 drivers/gpu/drm/amd/powerplay/hwmgr/pptable_v1_0.h | 16 +++++++-------
 drivers/i2c/busses/i2c-i801.c                      | 19 ++++++++--------
 drivers/i2c/busses/i2c-sun6i-p2wi.c                |  5 +++++
 drivers/infiniband/hw/hfi1/pcie.c                  |  9 ++------
 drivers/mcb/mcb-core.c                             |  1 +
 drivers/mcb/mcb-parse.c                            |  2 +-
 drivers/media/platform/qcom/venus/hfi_msgs.c       |  2 +-
 drivers/media/platform/qcom/venus/hfi_venus.c      | 10 +++++++++
 drivers/media/platform/vivid/vivid-rds-gen.c       |  2 +-
 drivers/media/rc/ir-sharp-decoder.c                |  8 ++++---
 drivers/media/usb/gspca/cpia1.c                    |  3 +++
 drivers/mmc/host/meson-gx-mmc.c                    |  1 -
 drivers/mmc/host/vub300.c                          |  1 +
 drivers/net/dsa/lan9303_mdio.c                     |  4 ++--
 drivers/net/wireless/ath/ath10k/debug.c            |  2 +-
 drivers/net/wireless/ath/ath9k/debug.c             |  2 +-
 drivers/net/wireless/ath/ath9k/htc_drv_debug.c     |  2 +-
 drivers/parisc/power.c                             | 16 +++++++++++++-
 drivers/pci/pci-acpi.c                             |  2 +-
 drivers/pci/pci-sysfs.c                            |  5 +----
 drivers/scsi/libfc/fc_lport.c                      |  6 ++++++
 drivers/scsi/virtio_scsi.c                         |  1 +
 drivers/tty/hvc/hvc_xen.c                          |  5 +++--
 drivers/tty/vcc.c                                  | 16 +++++++++++---
 fs/ext4/acl.h                                      |  5 +++++
 fs/ext4/resize.c                                   | 19 ++++++----------
 fs/gfs2/quota.c                                    | 11 ++++++++++
 fs/jbd2/recovery.c                                 |  8 +++++++
 fs/jfs/jfs_dmap.c                                  | 23 +++++++++++++++-----
 fs/jfs/jfs_imap.c                                  |  5 ++++-
 include/linux/pwm.h                                |  4 ++--
 include/net/sock.h                                 |  6 +++---
 kernel/audit_watch.c                               |  9 +++++++-
 kernel/irq/generic-chip.c                          | 25 ++++++++++++++++------
 kernel/locking/test-ww_mutex.c                     | 20 ++++++++++-------
 kernel/padata.c                                    |  2 +-
 kernel/power/snapshot.c                            | 16 ++++++--------
 net/core/sock.c                                    |  2 +-
 net/ipv4/tcp_output.c                              |  2 +-
 net/mac80211/cfg.c                                 |  4 ++++
 net/sched/sch_api.c                                |  5 +++--
 scripts/gcc-plugins/randomize_layout_plugin.c      | 11 +++++++---
 sound/core/info.c                                  | 21 +++++++++++-------
 sound/hda/hdac_stream.c                            |  6 ++++--
 tools/testing/selftests/efivarfs/create-read.c     |  2 ++
 58 files changed, 290 insertions(+), 155 deletions(-)


Re: [PATCH 4.14 00/57] 4.14.331-rc1 review
Posted by Daniel Díaz 2 years, 1 month ago
Hello!

On 24/11/23 11:50 a. m., Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 4.14.331 release.
> There are 57 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 Sun, 26 Nov 2023 17:19:17 +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/v4.x/stable-review/patch-4.14.331-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-4.14.y
> and the diffstat can be found below.
> 
> thanks,
> 
> greg k-h

There are System/390 build failures here:

-----8<-----
   In function 'setup_lowcore_dat_off',
       inlined from 'setup_arch' at /builds/linux/arch/s390/kernel/setup.c:961:2:
   /builds/linux/arch/s390/kernel/setup.c:339:9: warning: 'memcpy' reading 128 bytes from a region of size 0 [-Wstringop-overread]
     339 |         memcpy(lc->stfle_fac_list, S390_lowcore.stfle_fac_list,
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     340 |                sizeof(lc->stfle_fac_list));
         |                ~~~~~~~~~~~~~~~~~~~~~~~~~~~
   /builds/linux/arch/s390/kernel/setup.c:341:9: warning: 'memcpy' reading 128 bytes from a region of size 0 [-Wstringop-overread]
     341 |         memcpy(lc->alt_stfle_fac_list, S390_lowcore.alt_stfle_fac_list,
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     342 |                sizeof(lc->alt_stfle_fac_list));
         |                ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   /builds/linux/arch/s390/mm/page-states.c: In function 'mark_kernel_pgd':
   /builds/linux/arch/s390/mm/page-states.c:181:45: error: request for member 'val' in something not a structure or union
     181 |         max_addr = (S390_lowcore.kernel_asce.val & _ASCE_TYPE_MASK) >> 2;
         |                                             ^
   /builds/linux/arch/s390/mm/page-states.c: In function 'cmma_init_nodat':
   /builds/linux/arch/s390/mm/page-states.c:208:14: error: 'i' undeclared (first use in this function); did you mean 'ix'?
     208 |         for (i = 0; i < 4; i++)
         |              ^
         |              ix
   /builds/linux/arch/s390/mm/page-states.c:208:14: note: each undeclared identifier is reported only once for each function it appears in
   In file included from /builds/linux/arch/s390/include/asm/page.h:181,
                    from /builds/linux/arch/s390/include/asm/thread_info.h:24,
                    from /builds/linux/include/linux/thread_info.h:39,
                    from /builds/linux/arch/s390/include/asm/preempt.h:6,
                    from /builds/linux/include/linux/preempt.h:81,
                    from /builds/linux/include/linux/spinlock.h:51,
                    from /builds/linux/include/linux/mmzone.h:8,
                    from /builds/linux/include/linux/gfp.h:6,
                    from /builds/linux/include/linux/mm.h:10,
                    from /builds/linux/arch/s390/mm/page-states.c:13:
   /builds/linux/arch/s390/mm/page-states.c:210:30: error: 'invalid_pg_dir' undeclared (first use in this function)
     210 |         page = virt_to_page(&invalid_pg_dir);
         |                              ^~~~~~~~~~~~~~
   /builds/linux/include/asm-generic/memory_model.h:54:45: note: in definition of macro '__pfn_to_page'
      54 | #define __pfn_to_page(pfn)      (vmemmap + (pfn))
         |                                             ^~~
   /builds/linux/arch/s390/include/asm/page.h:164:34: note: in expansion of macro '__pa'
     164 | #define virt_to_pfn(kaddr)      (__pa(kaddr) >> PAGE_SHIFT)
         |                                  ^~~~
   /builds/linux/arch/s390/include/asm/page.h:167:45: note: in expansion of macro 'virt_to_pfn'
     167 | #define virt_to_page(kaddr)     pfn_to_page(virt_to_pfn(kaddr))
         |                                             ^~~~~~~~~~~
   /builds/linux/arch/s390/mm/page-states.c:210:16: note: in expansion of macro 'virt_to_page'
     210 |         page = virt_to_page(&invalid_pg_dir);
         |                ^~~~~~~~~~~~
   make[3]: *** [/builds/linux/scripts/Makefile.build:329: arch/s390/mm/page-states.o] Error 1
   make[3]: Target '__build' not remade because of errors.
   make[2]: *** [/builds/linux/scripts/Makefile.build:588: arch/s390/mm] Error 2
   In file included from /builds/linux/arch/s390/kernel/lgr.c:12:
   In function 'stfle',
       inlined from 'lgr_info_get' at /builds/linux/arch/s390/kernel/lgr.c:121:2:
   /builds/linux/arch/s390/include/asm/facility.h:88:9: warning: 'memcpy' reading 4 bytes from a region of size 0 [-Wstringop-overread]
      88 |         memcpy(stfle_fac_list, &S390_lowcore.stfl_fac_list, 4);
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   make[2]: Target '__build' not remade because of errors.
----->8-----

This one above is with allnoconfig and GCC 12. Bisection points to:

   commit 76dc317ac655dafe1747dba6ce689ae3c3a35dd6
   Author: Heiko Carstens <hca@linux.ibm.com>
   Date:   Tue Oct 24 10:15:20 2023 +0200

       s390/cmma: fix handling of swapper_pg_dir and invalid_pg_dir
       
       commit 84bb41d5df48868055d159d9247b80927f1f70f9 upstream.


Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>

Greetings!

Daniel Díaz
daniel.diaz@linaro.org

Re: [PATCH 4.14 00/57] 4.14.331-rc1 review
Posted by Greg Kroah-Hartman 2 years, 1 month ago
On Fri, Nov 24, 2023 at 02:51:59PM -0600, Daniel Díaz wrote:
> Hello!
> 
> On 24/11/23 11:50 a. m., Greg Kroah-Hartman wrote:
> > This is the start of the stable review cycle for the 4.14.331 release.
> > There are 57 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 Sun, 26 Nov 2023 17:19:17 +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/v4.x/stable-review/patch-4.14.331-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-4.14.y
> > and the diffstat can be found below.
> > 
> > thanks,
> > 
> > greg k-h
> 
> There are System/390 build failures here:
> 
> -----8<-----
>   In function 'setup_lowcore_dat_off',
>       inlined from 'setup_arch' at /builds/linux/arch/s390/kernel/setup.c:961:2:
>   /builds/linux/arch/s390/kernel/setup.c:339:9: warning: 'memcpy' reading 128 bytes from a region of size 0 [-Wstringop-overread]
>     339 |         memcpy(lc->stfle_fac_list, S390_lowcore.stfle_fac_list,
>         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>     340 |                sizeof(lc->stfle_fac_list));
>         |                ~~~~~~~~~~~~~~~~~~~~~~~~~~~
>   /builds/linux/arch/s390/kernel/setup.c:341:9: warning: 'memcpy' reading 128 bytes from a region of size 0 [-Wstringop-overread]
>     341 |         memcpy(lc->alt_stfle_fac_list, S390_lowcore.alt_stfle_fac_list,
>         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>     342 |                sizeof(lc->alt_stfle_fac_list));
>         |                ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>   /builds/linux/arch/s390/mm/page-states.c: In function 'mark_kernel_pgd':
>   /builds/linux/arch/s390/mm/page-states.c:181:45: error: request for member 'val' in something not a structure or union
>     181 |         max_addr = (S390_lowcore.kernel_asce.val & _ASCE_TYPE_MASK) >> 2;
>         |                                             ^
>   /builds/linux/arch/s390/mm/page-states.c: In function 'cmma_init_nodat':
>   /builds/linux/arch/s390/mm/page-states.c:208:14: error: 'i' undeclared (first use in this function); did you mean 'ix'?
>     208 |         for (i = 0; i < 4; i++)
>         |              ^
>         |              ix
>   /builds/linux/arch/s390/mm/page-states.c:208:14: note: each undeclared identifier is reported only once for each function it appears in
>   In file included from /builds/linux/arch/s390/include/asm/page.h:181,
>                    from /builds/linux/arch/s390/include/asm/thread_info.h:24,
>                    from /builds/linux/include/linux/thread_info.h:39,
>                    from /builds/linux/arch/s390/include/asm/preempt.h:6,
>                    from /builds/linux/include/linux/preempt.h:81,
>                    from /builds/linux/include/linux/spinlock.h:51,
>                    from /builds/linux/include/linux/mmzone.h:8,
>                    from /builds/linux/include/linux/gfp.h:6,
>                    from /builds/linux/include/linux/mm.h:10,
>                    from /builds/linux/arch/s390/mm/page-states.c:13:
>   /builds/linux/arch/s390/mm/page-states.c:210:30: error: 'invalid_pg_dir' undeclared (first use in this function)
>     210 |         page = virt_to_page(&invalid_pg_dir);
>         |                              ^~~~~~~~~~~~~~
>   /builds/linux/include/asm-generic/memory_model.h:54:45: note: in definition of macro '__pfn_to_page'
>      54 | #define __pfn_to_page(pfn)      (vmemmap + (pfn))
>         |                                             ^~~
>   /builds/linux/arch/s390/include/asm/page.h:164:34: note: in expansion of macro '__pa'
>     164 | #define virt_to_pfn(kaddr)      (__pa(kaddr) >> PAGE_SHIFT)
>         |                                  ^~~~
>   /builds/linux/arch/s390/include/asm/page.h:167:45: note: in expansion of macro 'virt_to_pfn'
>     167 | #define virt_to_page(kaddr)     pfn_to_page(virt_to_pfn(kaddr))
>         |                                             ^~~~~~~~~~~
>   /builds/linux/arch/s390/mm/page-states.c:210:16: note: in expansion of macro 'virt_to_page'
>     210 |         page = virt_to_page(&invalid_pg_dir);
>         |                ^~~~~~~~~~~~
>   make[3]: *** [/builds/linux/scripts/Makefile.build:329: arch/s390/mm/page-states.o] Error 1
>   make[3]: Target '__build' not remade because of errors.
>   make[2]: *** [/builds/linux/scripts/Makefile.build:588: arch/s390/mm] Error 2
>   In file included from /builds/linux/arch/s390/kernel/lgr.c:12:
>   In function 'stfle',
>       inlined from 'lgr_info_get' at /builds/linux/arch/s390/kernel/lgr.c:121:2:
>   /builds/linux/arch/s390/include/asm/facility.h:88:9: warning: 'memcpy' reading 4 bytes from a region of size 0 [-Wstringop-overread]
>      88 |         memcpy(stfle_fac_list, &S390_lowcore.stfl_fac_list, 4);
>         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>   make[2]: Target '__build' not remade because of errors.
> ----->8-----
> 
> This one above is with allnoconfig and GCC 12. Bisection points to:
> 
>   commit 76dc317ac655dafe1747dba6ce689ae3c3a35dd6
>   Author: Heiko Carstens <hca@linux.ibm.com>
>   Date:   Tue Oct 24 10:15:20 2023 +0200
> 
>       s390/cmma: fix handling of swapper_pg_dir and invalid_pg_dir
>       commit 84bb41d5df48868055d159d9247b80927f1f70f9 upstream.
> 
> 
> Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>

Now dropped, thanks.

greg k-h