# git rev-parse -q --verify cb0856346a60fe3eb837ba5e73588a41f81ac05f^{commit}
cb0856346a60fe3eb837ba5e73588a41f81ac05f
already have revision, skipping fetch
# git checkout -q -f -B kisskb cb0856346a60fe3eb837ba5e73588a41f81ac05f
# git clean -qxdf
# < git log -1
# commit cb0856346a60fe3eb837ba5e73588a41f81ac05f
# Merge: 23990b1affd2 ef832747a82d
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Wed Apr 19 17:55:45 2023 -0700
# 
#     Merge tag 'mm-hotfixes-stable-2023-04-19-16-36' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
#     
#     Pull misc fixes from Andrew Morton:
#      "22 hotfixes.
#     
#       19 are cc:stable and the remainder address issues which were
#       introduced during this merge cycle, or aren't considered suitable for
#       -stable backporting.
#     
#       19 are for MM and the remainder are for other subsystems"
#     
#     * tag 'mm-hotfixes-stable-2023-04-19-16-36' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (22 commits)
#       nilfs2: initialize unused bytes in segment summary blocks
#       mm: page_alloc: skip regions with hugetlbfs pages when allocating 1G pages
#       mm/mmap: regression fix for unmapped_area{_topdown}
#       maple_tree: fix mas_empty_area() search
#       maple_tree: make maple state reusable after mas_empty_area_rev()
#       mm: kmsan: handle alloc failures in kmsan_ioremap_page_range()
#       mm: kmsan: handle alloc failures in kmsan_vmap_pages_range_noflush()
#       tools/Makefile: do missed s/vm/mm/
#       mm: fix memory leak on mm_init error handling
#       mm/page_alloc: fix potential deadlock on zonelist_update_seq seqlock
#       kernel/sys.c: fix and improve control flow in __sys_setres[ug]id()
#       Revert "userfaultfd: don't fail on unrecognized features"
#       writeback, cgroup: fix null-ptr-deref write in bdi_split_work_to_wbs
#       maple_tree: fix a potential memory leak, OOB access, or other unpredictable bug
#       tools/mm/page_owner_sort.c: fix TGID output when cull=tg is used
#       mailmap: update jtoppins' entry to reference correct email
#       mm/mempolicy: fix use-after-free of VMA iterator
#       mm/huge_memory.c: warn with pr_warn_ratelimited instead of VM_WARN_ON_ONCE_FOLIO
#       mm/mprotect: fix do_mprotect_pkey() return on error
#       mm/khugepaged: check again on anon uffd-wp during isolation
#       ...
# < /opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-gcc --version
# < /opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-ld --version
# < git log --format=%s --max-count=1 cb0856346a60fe3eb837ba5e73588a41f81ac05f
# < make -s -j 32 ARCH=um O=/kisskb/build/linus_um-allmodconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 allmodconfig
# Added to kconfig CONFIG_STANDALONE=y
# Added to kconfig CONFIG_KCOV=n
# Added to kconfig CONFIG_GCC_PLUGINS=n
# Added to kconfig CONFIG_GCC_PLUGIN_CYC_COMPLEXITY=n
# Added to kconfig CONFIG_GCC_PLUGIN_SANCOV=n
# Added to kconfig CONFIG_GCC_PLUGIN_LATENT_ENTROPY=n
# Added to kconfig CONFIG_GCC_PLUGIN_STRUCTLEAK=n
# Added to kconfig CONFIG_GCC_PLUGIN_RANDSTRUCT=n
# Added to kconfig CONFIG_UML_NET=n
# Added to kconfig CONFIG_UML_NET_ETHERTAP=n
# Added to kconfig CONFIG_UML_NET_TUNTAP=n
# Added to kconfig CONFIG_UML_NET_SLIP=n
# Added to kconfig CONFIG_UML_NET_DAEMON=n
# Added to kconfig CONFIG_UML_NET_VDE=n
# Added to kconfig CONFIG_UML_NET_MCAST=n
# Added to kconfig CONFIG_UML_NET_PCAP=n
# Added to kconfig CONFIG_UML_NET_SLIRP=n
# Added to kconfig CONFIG_GCOV_KERNEL=n
# Added to kconfig CONFIG_DEBUG_INFO_BTF=n
# Added to kconfig CONFIG_BPF_PRELOAD=n
# < make -s -j 32 ARCH=um O=/kisskb/build/linus_um-allmodconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 help
# make -s -j 32 ARCH=um O=/kisskb/build/linus_um-allmodconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 olddefconfig
.config:12712:warning: override: reassigning to symbol GCC_PLUGIN_SANCOV
.config:12717:warning: override: reassigning to symbol UML_NET_ETHERTAP
.config:12719:warning: override: reassigning to symbol UML_NET_SLIP
.config:12724:warning: override: reassigning to symbol UML_NET_SLIRP
# make -s -j 32 ARCH=um O=/kisskb/build/linus_um-allmodconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 
/kisskb/src/arch/um/os-Linux/util.c:17:24: fatal error: sys/random.h: No such file or directory
compilation terminated.
make[3]: *** [/kisskb/src/scripts/Makefile.build:252: arch/um/os-Linux/util.o] Error 1
make[2]: *** [/kisskb/src/scripts/Makefile.build:494: arch/um/os-Linux] Error 2
make[2]: *** Waiting for unfinished jobs....
/kisskb/src/fs/btrfs/send.c: In function 'get_cur_inode_state':
/kisskb/src/fs/btrfs/send.c:1909:13: error: 'right_gen' may be used uninitialized in this function [-Werror=maybe-uninitialized]
   } else if (right_gen == gen) {
             ^
/kisskb/src/fs/btrfs/send.c: At top level:
cc1: error: unrecognized command line option '-Wno-shift-negative-value' [-Werror]
cc1: all warnings being treated as errors
make[4]: *** [/kisskb/src/scripts/Makefile.build:252: fs/btrfs/send.o] Error 1
make[4]: *** Waiting for unfinished jobs....
make[3]: *** [/kisskb/src/scripts/Makefile.build:494: fs/btrfs] Error 2
make[3]: *** Waiting for unfinished jobs....
make[2]: *** [/kisskb/src/scripts/Makefile.build:494: fs] Error 2
/kisskb/src/drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_topology.c: In function 'kfd_cpumask_to_apic_id':
/kisskb/src/drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_topology.c:2157:41: error: 'struct cpuinfo_um' has no member named 'apicid'
  return cpu_data(first_cpu_of_numa_node).apicid;
                                         ^
/kisskb/src/drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_topology.c:2161:1: error: control reaches end of non-void function [-Werror=return-type]
 }
 ^
cc1: all warnings being treated as errors
make[6]: *** [/kisskb/src/scripts/Makefile.build:252: drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_topology.o] Error 1
make[6]: *** Waiting for unfinished jobs....
make[5]: *** [/kisskb/src/scripts/Makefile.build:494: drivers/gpu/drm/amd/amdgpu] Error 2
make[5]: *** Waiting for unfinished jobs....
make[4]: *** [/kisskb/src/scripts/Makefile.build:494: drivers/gpu/drm] Error 2
make[3]: *** [/kisskb/src/scripts/Makefile.build:494: drivers/gpu] Error 2
make[3]: *** Waiting for unfinished jobs....
make[2]: *** [/kisskb/src/scripts/Makefile.build:494: drivers] Error 2
make[1]: *** [/kisskb/src/Makefile:2025: .] Error 2
make: *** [Makefile:226: __sub-make] Error 2
Command 'make -s -j 32 ARCH=um O=/kisskb/build/linus_um-allmodconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 ' returned non-zero exit status 2
# rm -rf /kisskb/build/linus_um-allmodconfig_um-x86_64
# Build took: 0:11:44.674134