| From: Andrew Morton <akpm@linux-foundation.org> |
| Subject: vma-detect-infinite-loop-in-vma-tree-fix |
| Date: Thu Oct 31 01:45:34 PM PDT 2024 |
| |
| add comment |
| |
| Cc: Jann Horn <jannh@google.com> |
| Cc: "Liam R. Howlett" <Liam.Howlett@oracle.com> |
| Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> |
| Cc: Vlastimil Babka <vbabka@suse.cz> |
| Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
| --- |
| |
| mm/vma.c | 1 + |
| 1 file changed, 1 insertion(+) |
| |
| --- a/mm/vma.c~vma-detect-infinite-loop-in-vma-tree-fix |
| +++ a/mm/vma.c |
| @@ -615,6 +615,7 @@ void validate_mm(struct mm_struct *mm) |
| anon_vma_unlock_read(anon_vma); |
| } |
| #endif |
| + /* Check for a infinite loop */ |
| if (++i > mm->map_count + 10) { |
| i = -1; |
| break; |
| _ |
