On Mon, Nov 21, 2022 at 12:21:31PM +0100, Alexander Potapenko wrote: > 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@xxxxxxxxxx> > Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Are you sure that is the correct Fixes commit? What about commit f2b6a16eb8f5 ("fs: affs convert to new aops")? - Eric