The patch titled Subject: mm-abstract-the-vma_merge-split_vma-pattern-for-mprotect-et-al-fix has been added to the -mm mm-unstable branch. Its filename is mm-abstract-the-vma_merge-split_vma-pattern-for-mprotect-et-al-fix.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-abstract-the-vma_merge-split_vma-pattern-for-mprotect-et-al-fix.patch This patch will later appear in the mm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Subject: mm-abstract-the-vma_merge-split_vma-pattern-for-mprotect-et-al-fix Date: Wed Oct 11 10:40:28 AM PDT 2023 fix userfaultfd_unregister() error return, per Vlastimil Link: https://lkml.kernel.org/r/7b94fcb3-9ffe-1fc8-3f9d-6a7176069aeb@xxxxxxx Cc: Alexander Viro <viro@xxxxxxxxxxxxxxxxxx> Cc: Christian Brauner <brauner@xxxxxxxxxx> Cc: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx> Cc: Lorenzo Stoakes <lstoakes@xxxxxxxxx> Cc: Vlastimil Babka <vbabka@xxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- fs/userfaultfd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/fs/userfaultfd.c~mm-abstract-the-vma_merge-split_vma-pattern-for-mprotect-et-al-fix +++ a/fs/userfaultfd.c @@ -1654,7 +1654,7 @@ static int userfaultfd_unregister(struct vma = vma_modify_flags_uffd(&vmi, prev, vma, start, vma_end, new_flags, NULL_VM_UFFD_CTX); if (IS_ERR(vma)) { - ret = PTR_ERR(prev); + ret = PTR_ERR(vma); break; } _ Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are mm-shmem-fix-race-in-shmem_undo_range-w-thp-fix.patch fs-proc-task_mmu-implement-ioctl-to-get-and-optionally-clear-info-about-ptes-fix.patch fs-proc-task_mmu-implement-ioctl-to-get-and-optionally-clear-info-about-ptes-fix-fix.patch fs-proc-task_mmu-implement-ioctl-to-get-and-optionally-clear-info-about-ptes-fix-2.patch mm-add-printf-attribute-to-shrinker_debugfs_name_alloc-fix.patch mm-abstract-the-vma_merge-split_vma-pattern-for-mprotect-et-al-fix.patch mark-stuff-as-__ro_after_init-checkpatch-fixes.patch