diff options
Diffstat (limited to 'mm/memory.c')
| -rw-r--r-- | mm/memory.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/mm/memory.c b/mm/memory.c index 1235de20af73..10d497a5296c 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -5254,6 +5254,10 @@ retry: if (!vma_is_anonymous(vma)) goto inval; + /* find_mergeable_anon_vma uses adjacent vmas which are not locked */ + if (!vma->anon_vma) + goto inval; + if (!vma_start_read(vma)) goto inval; |