linux-stable/fs/fuse
ruanmeisi b0d236e3af fuse: nlookup missing decrement in fuse_direntplus_link
commit b8bd342d50 upstream.

During our debugging of glusterfs, we found an Assertion failed error:
inode_lookup >= nlookup, which was caused by the nlookup value in the
kernel being greater than that in the FUSE file system.

The issue was introduced by fuse_direntplus_link, where in the function,
fuse_iget increments nlookup, and if d_splice_alias returns failure,
fuse_direntplus_link returns failure without decrementing nlookup
https://github.com/gluster/glusterfs/pull/4081

Signed-off-by: ruanmeisi <ruan.meisi@zte.com.cn>
Fixes: 0b05b18381 ("fuse: implement NFS-like readdirplus support")
Cc: <stable@vger.kernel.org> # v3.9
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-09-23 11:00:00 +02:00
..
acl.c fuse: fix bad inode 2021-01-09 13:44:54 +01:00
control.c treewide: Remove uninitialized_var() usage 2023-06-09 10:29:01 +02:00
cuse.c treewide: Remove uninitialized_var() usage 2023-06-09 10:29:01 +02:00
dev.c fuse: fix pipe buffer lifetime for direct_io 2022-03-16 13:21:47 +01:00
dir.c fuse: revalidate: don't invalidate if interrupted 2023-07-27 08:37:40 +02:00
file.c treewide: Remove uninitialized_var() usage 2023-06-09 10:29:01 +02:00
fuse_i.h fuse: fix pipe buffer lifetime for direct_io 2022-03-16 13:21:47 +01:00
inode.c fuse: limit nsec 2022-08-25 11:17:24 +02:00
Kconfig virtio-fs: add virtiofs filesystem 2019-09-18 20:17:50 +02:00
Makefile virtio-fs: Change module name to virtiofs.ko 2019-10-14 10:20:33 +02:00
readdir.c fuse: nlookup missing decrement in fuse_direntplus_link 2023-09-23 11:00:00 +02:00
virtio_fs.c virtiofs: fix memory leak in virtio_fs_probe() 2021-05-11 14:04:14 +02:00
xattr.c fuse: fix bad inode 2021-01-09 13:44:54 +01:00