Messages in this thread Patch in this message | | | Date | Mon, 21 Nov 2022 12:21:33 +0100 | Subject | [PATCH 4/5] fs: hfs: initialize fsdata in hfs_file_truncate() | From | Alexander Potapenko <> |
| |
When aops->write_begin() does not initialize fsdata, KMSAN may report an error passing the latter to aops->write_end().
Fix this by unconditionally initializing fsdata.
Suggested-by: Eric Biggers <ebiggers@kernel.org> Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: Alexander Potapenko <glider@google.com> --- fs/hfs/extent.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/hfs/extent.c b/fs/hfs/extent.c index 3f7e9bef98743..6d1878b99b305 100644 --- a/fs/hfs/extent.c +++ b/fs/hfs/extent.c @@ -486,7 +486,7 @@ void hfs_file_truncate(struct inode *inode) inode->i_size); if (inode->i_size > HFS_I(inode)->phys_size) { struct address_space *mapping = inode->i_mapping; - void *fsdata; + void *fsdata = NULL; struct page *page; /* XXX: Can use generic_cont_expand? */ -- 2.38.1.584.g0f3c55d4c2-goog
| |