[PATCH 0/5] smb3: Fix missing locks and invalidation in fallocate

From: David Howells
Date: Tue Aug 23 2022 - 12:38:51 EST



Here are some patches to fix locking and invalidation in the smb3/cifs
fallocate, in particular in zero_range, punch_hole, collapse_range and
insert_range.

Those four operations were, for the most part, missing calls to inode_lock(),
filemap_invalidate_lock() and truncate_pagecache_range(), the last of which
was causing generic/031 to show data corruption.

David
---
David Howells (4):
smb3: Move the flush out of smb2_copychunk_range() into its callers
smb3: missing inode locks in zero range
smb3: missing inode locks in punch hole
smb3: fix temporary data corruption in insert range

Steve French (1):
smb3: fix temporary data corruption in collapse range


fs/cifs/cifsfs.c | 2 +
fs/cifs/smb2ops.c | 131 ++++++++++++++++++++++++++--------------------
2 files changed, 75 insertions(+), 58 deletions(-)