Linus, please merge this batch of hotfixes for mm/ and for other parts of the kernel, thanks. The following changes since commit c45ea315a602d45569b08b93e9ab30f6a63a38aa: maple_tree: fix a potential concurrency bug in RCU mode (2023-04-05 18:06:25 -0700) are available in the Git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm tags/mm-hotfixes-stable-2023-04-19-16-36 for you to fetch changes up to ef832747a82dfbc22a3702219cc716f449b24e4a: nilfs2: initialize unused bytes in segment summary blocks (2023-04-18 14:22:14 -0700) ---------------------------------------------------------------- 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. ---------------------------------------------------------------- Alexander Potapenko (2): mm: kmsan: handle alloc failures in kmsan_vmap_pages_range_noflush() mm: kmsan: handle alloc failures in kmsan_ioremap_page_range() Baokun Li (1): writeback, cgroup: fix null-ptr-deref write in bdi_split_work_to_wbs David Hildenbrand (1): mm/userfaultfd: fix uffd-wp handling for THP migration entries Jonathan Toppins (1): mailmap: update jtoppins' entry to reference correct email Liam R. Howlett (5): mm/mprotect: fix do_mprotect_pkey() return on error mm/mempolicy: fix use-after-free of VMA iterator maple_tree: make maple state reusable after mas_empty_area_rev() maple_tree: fix mas_empty_area() search mm/mmap: regression fix for unmapped_area{_topdown} Mathieu Desnoyers (1): mm: fix memory leak on mm_init error handling Mel Gorman (1): mm: page_alloc: skip regions with hugetlbfs pages when allocating 1G pages Naoya Horiguchi (1): mm/huge_memory.c: warn with pr_warn_ratelimited instead of VM_WARN_ON_ONCE_FOLIO Ondrej Mosnacek (1): kernel/sys.c: fix and improve control flow in __sys_setres[ug]id() Peng Zhang (1): maple_tree: fix a potential memory leak, OOB access, or other unpredictable bug Peter Xu (2): mm/khugepaged: check again on anon uffd-wp during isolation Revert "userfaultfd: don't fail on unrecognized features" Qi Zheng (1): mm: swap: fix performance regression on sparsetruncate-tiny Ryusuke Konishi (1): nilfs2: initialize unused bytes in segment summary blocks SeongJae Park (1): tools/Makefile: do missed s/vm/mm/ Steve Chou (1): tools/mm/page_owner_sort.c: fix TGID output when cull=tg is used Tetsuo Handa (1): mm/page_alloc: fix potential deadlock on zonelist_update_seq seqlock .mailmap | 2 + fs/fs-writeback.c | 17 +++++--- fs/nilfs2/segment.c | 20 +++++++++ fs/userfaultfd.c | 6 ++- include/linux/kmsan.h | 39 +++++++++-------- kernel/fork.c | 1 + kernel/sys.c | 69 +++++++++++++++++------------- lib/maple_tree.c | 66 ++++++++++++++-------------- mm/backing-dev.c | 12 +++++- mm/huge_memory.c | 19 +++++++-- mm/khugepaged.c | 4 ++ mm/kmsan/hooks.c | 55 ++++++++++++++++++++---- mm/kmsan/shadow.c | 27 ++++++++---- mm/mempolicy.c | 104 +++++++++++++++++++++------------------------ mm/mmap.c | 48 ++++++++++++++++++--- mm/mprotect.c | 2 +- mm/page_alloc.c | 19 +++++++++ mm/swap.c | 2 +- mm/vmalloc.c | 10 +++-- tools/Makefile | 14 +++--- tools/mm/page_owner_sort.c | 2 +- 21 files changed, 351 insertions(+), 187 deletions(-)