The patch titled
Subject: mm-gup-remove-vmas-parameter-from-get_user_pages_remote-fix
has been added to the -mm mm-unstable branch. Its filename is
mm-gup-remove-vmas-parameter-from-get_user_pages_remote-fix.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-gup-remove-vmas-parameter-from-get_user_pages_remote-fix.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: mm-gup-remove-vmas-parameter-from-get_user_pages_remote-fix
Date: Fri Jun 9 10:40:05 AM PDT 2023
avoid passing NULL to PTR_ERR
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Link: https://lkml.kernel.org/r/202306100045.iM5qbyCz-lkp@xxxxxxxxx
Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
Cc: Christian König <christian.koenig@xxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxx>
Cc: David Hildenbrand <david@xxxxxxxxxx>
Cc: Dennis Dalessandro <dennis.dalessandro@xxxxxxxxxxxxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: Janosch Frank <frankja@xxxxxxxxxxxxx>
Cc: Jarkko Sakkinen <jarkko@xxxxxxxxxx>
Cc: Jason Gunthorpe <jgg@xxxxxxxxxx>
Cc: Jens Axboe <axboe@xxxxxxxxx>
Cc: Lorenzo Stoakes <lstoakes@xxxxxxxxx>
Cc: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Cc: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
Cc: Sean Christopherson <seanjc@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/events/uprobes.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/kernel/events/uprobes.c~mm-gup-remove-vmas-parameter-from-get_user_pages_remote-fix
+++ a/kernel/events/uprobes.c
@@ -475,7 +475,7 @@ retry:
/* Read the page with vaddr into memory */
old_page = get_user_page_vma_remote(mm, vaddr, gup_flags, &vma);
if (IS_ERR_OR_NULL(old_page))
- return PTR_ERR(old_page);
+ return old_page ? PTR_ERR(old_page) : 0;
ret = verify_opcode(old_page, vaddr, &opcode);
if (ret <= 0)
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
mm-shmem-fix-race-in-shmem_undo_range-w-thp-fix.patch
mm-compaction-optimize-compact_memory-to-comply-with-the-admin-guide-fix.patch
mm-page_owner-add-page_owner_stacks-file-to-print-out-only-stacks-and-their-counte-fix.patch
mm-page_owner-add-page_owner_stacks-file-to-print-out-only-stacks-and-their-counte-fix-fix.patch
mmpage_owner-filter-out-stacks-by-a-threshold-counter-fix.patch
mm-gup-remove-vmas-parameter-from-get_user_pages_remote-fix.patch
selftests-mm-gup_longterm-new-functional-test-for-foll_longterm-fix.patch
mm-mlock-rename-mlock_future_check-to-mlock_future_ok.patch
mm-hugetlb-use-a-folio-in-hugetlb_fault-fix.patch
fork-optimize-memcg_charge_kernel_stack-a-bit-fix.patch
squashfs-cache-partial-compressed-blocks-fix.patch
squashfs-cache-partial-compressed-blocks-fix-3-fix.patch
init-add-bdev-fs-printk-if-mount_block_root-failed-fix.patch
kexec-add-helper-__crash_shrink_memory-fix.patch
