Re: [PATCH 5.10 000/193] 5.10.202-rc1 review

From: Greg Kroah-Hartman
Date: Sat Nov 25 2023 - 10:52:07 EST


On Fri, Nov 24, 2023 at 04:19:32PM -0600, Daniel Díaz wrote:
> Hello!
>
> On 24/11/23 11:52 a. m., Greg Kroah-Hartman wrote:
> > This is the start of the stable review cycle for the 5.10.202 release.
> > There are 193 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/v5.x/stable-review/patch-5.10.202-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-5.10.y
> > and the diffstat can be found below.
> >
> > thanks,
> >
> > greg k-h
>
> System/390 fails here too:
>
> -----8<-----
> In function 'setup_lowcore_dat_off',
> inlined from 'setup_arch' at /builds/linux/arch/s390/kernel/setup.c:1165:2:
> /builds/linux/arch/s390/kernel/setup.c:410:9: warning: 'memcpy' reading 128 bytes from a region of size 0 [-Wstringop-overread]
> 410 | memcpy(lc->stfle_fac_list, S390_lowcore.stfle_fac_list,
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> 411 | sizeof(lc->stfle_fac_list));
> | ~~~~~~~~~~~~~~~~~~~~~~~~~~~
> /builds/linux/arch/s390/kernel/setup.c:412:9: warning: 'memcpy' reading 128 bytes from a region of size 0 [-Wstringop-overread]
> 412 | memcpy(lc->alt_stfle_fac_list, S390_lowcore.alt_stfle_fac_list,
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> 413 | 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:175:45: error: request for member 'val' in something not a structure or union
> 175 | max_addr = (S390_lowcore.kernel_asce.val & _ASCE_TYPE_MASK) >> 2;
> | ^
> In file included from /builds/linux/arch/s390/include/asm/page.h:186,
> from /builds/linux/arch/s390/include/asm/thread_info.h:26,
> 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:78,
> 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: In function 'cmma_init_nodat':
> /builds/linux/arch/s390/mm/page-states.c:204:30: error: 'invalid_pg_dir' undeclared (first use in this function)
> 204 | 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:176:34: note: in expansion of macro 'phys_to_pfn'
> 176 | #define virt_to_pfn(kaddr) (phys_to_pfn(__pa(kaddr)))
> | ^~~~~~~~~~~
> /builds/linux/arch/s390/include/asm/page.h:176:46: note: in expansion of macro '__pa'
> 176 | #define virt_to_pfn(kaddr) (phys_to_pfn(__pa(kaddr)))
> | ^~~~
> /builds/linux/arch/s390/include/asm/page.h:179:45: note: in expansion of macro 'virt_to_pfn'
> 179 | #define virt_to_page(kaddr) pfn_to_page(virt_to_pfn(kaddr))
> | ^~~~~~~~~~~
> /builds/linux/arch/s390/mm/page-states.c:204:16: note: in expansion of macro 'virt_to_page'
> 204 | page = virt_to_page(&invalid_pg_dir);
> | ^~~~~~~~~~~~
> /builds/linux/arch/s390/mm/page-states.c:204:30: note: each undeclared identifier is reported only once for each function it appears in
> 204 | 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:176:34: note: in expansion of macro 'phys_to_pfn'
> 176 | #define virt_to_pfn(kaddr) (phys_to_pfn(__pa(kaddr)))
> | ^~~~~~~~~~~
> /builds/linux/arch/s390/include/asm/page.h:176:46: note: in expansion of macro '__pa'
> 176 | #define virt_to_pfn(kaddr) (phys_to_pfn(__pa(kaddr)))
> | ^~~~
> /builds/linux/arch/s390/include/asm/page.h:179:45: note: in expansion of macro 'virt_to_pfn'
> 179 | #define virt_to_page(kaddr) pfn_to_page(virt_to_pfn(kaddr))
> | ^~~~~~~~~~~
> /builds/linux/arch/s390/mm/page-states.c:204:16: note: in expansion of macro 'virt_to_page'
> 204 | page = virt_to_page(&invalid_pg_dir);
> | ^~~~~~~~~~~~
> make[3]: *** [/builds/linux/scripts/Makefile.build:286: arch/s390/mm/page-states.o] Error 1
> make[3]: Target '__build' not remade because of errors.
> make[2]: *** [/builds/linux/scripts/Makefile.build:503: arch/s390/mm] Error 2
> In file included from /builds/linux/arch/s390/kernel/lgr.c:13:
> In function '__stfle',
> inlined from 'stfle' at /builds/linux/arch/s390/include/asm/facility.h:99:2,
> inlined from 'lgr_info_get' at /builds/linux/arch/s390/kernel/lgr.c:122:2:
> /builds/linux/arch/s390/include/asm/facility.h:87:9: warning: 'memcpy' reading 4 bytes from a region of size 0 [-Wstringop-overread]
> 87 | memcpy(stfle_fac_list, &S390_lowcore.stfl_fac_list, 4);
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> In function 'pcpu_prepare_secondary',
> inlined from '__cpu_up' at /builds/linux/arch/s390/kernel/smp.c:911:2:
> /builds/linux/arch/s390/kernel/smp.c:277:9: warning: 'memcpy' reading 128 bytes from a region of size 0 [-Wstringop-overread]
> 277 | memcpy(lc->stfle_fac_list, S390_lowcore.stfle_fac_list,
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> 278 | sizeof(lc->stfle_fac_list));
> | ~~~~~~~~~~~~~~~~~~~~~~~~~~~
> /builds/linux/arch/s390/kernel/smp.c:279:9: warning: 'memcpy' reading 128 bytes from a region of size 0 [-Wstringop-overread]
> 279 | memcpy(lc->alt_stfle_fac_list, S390_lowcore.alt_stfle_fac_list,
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> 280 | sizeof(lc->alt_stfle_fac_list));
> | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> make[2]: Target '__build' not remade because of errors.
> ----->8-----
>
> That was allnoconfig with GCC 12. Bisection pointed to:
>
> commit 2e530ad14d778a089d8ec190a7e2a70421a8a71a
> Author: Heiko Carstens <hca@xxxxxxxxxxxxx>
> Date: Tue Oct 17 21:07:03 2023 +0200
>
> s390/cmma: fix initial kernel address space page table walk
> commit 16ba44826a04834d3eeeda4b731c2ea3481062b7 upstream.

Now dropped.

>
>
> Then there's also a PowerPC failure on allmodconfig:
>
> -----8<-----
> /builds/linux/arch/powerpc/platforms/powernv/opal-prd.c:30:17: error: expected specifier-qualifier-list before 'DECLARE_FLEX_ARRAY'
> 30 | DECLARE_FLEX_ARRAY(u8, data);
> | ^~~~~~~~~~~~~~~~~~
> /builds/linux/arch/powerpc/platforms/powernv/opal-prd.c: In function 'opal_prd_msg_notifier':
> /builds/linux/arch/powerpc/platforms/powernv/opal-prd.c:365:26: error: 'struct opal_prd_msg' has no member named 'data'
> 365 | memcpy(&item->msg.data, msg->params, msg_size);
> | ^
> make[4]: *** [/builds/linux/scripts/Makefile.build:286: arch/powerpc/platforms/powernv/opal-prd.o] Error 1
> ----->8-----
>
> I didn't bisect this one but would suspect this commit:
>
> commit 2342ac1ed7704304605e29e337ce073f00f75d1e
> Author: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
> Date: Tue Aug 22 00:28:19 2023 +1000
>
> powerpc/powernv: Fix fortify source warnings in opal-prd.c
> commit feea65a338e52297b68ceb688eaf0ffc50310a83 upstream.

thanks, now dropped.

greg k-h