On Wed, 16 Oct 2024 23:12:43 +0900 Jeongjun Park <aha310510@xxxxxxxxx> wrote: > > Therefore, when calling generic_fillattr() from shmem_getattr(), it is > > appropriate to protect the inode using inode_lock_shared() and > > inode_unlock_shared() to prevent data-race. > > > > Cc: stable@xxxxxxxxxxxxxxx > > I think this patch should be applied from next rc version and also stable > version. When calling generic_fillattr(), if you don't hold read lock, > data-race will occur in inode member variables, which can cause unexpected > behavior. This problem is also present in several stable versions, so I think > it should be fixed as soon as possible. OK, thanks, I added the cc:stable amd moved this into the mm-hotfixes pile for a 6.12-rcX merge.
