From: Andreas Gruenbacher <agruenba@xxxxxxxxxx> commit 46f3e0421ccb5474b5c006b0089b9dfd42534bb6 upstream. Since commit 554c577cee95b, gfs2_file_buffered_write() can accidentally return a truncated iov_iter, which might confuse callers. Fix that. Fixes: 554c577cee95b ("gfs2: Prevent endless loops in gfs2_file_buffered_write") Signed-off-by: Andreas Gruenbacher <agruenba@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- fs/gfs2/file.c | 1 + 1 file changed, 1 insertion(+) --- a/fs/gfs2/file.c +++ b/fs/gfs2/file.c @@ -1083,6 +1083,7 @@ out_uninit: gfs2_holder_uninit(gh); if (statfs_gh) kfree(statfs_gh); + from->count = orig_count - read; return read ? read : ret; } Patches currently in stable-queue which might be from agruenba@xxxxxxxxxx are queue-5.16/gfs2-fix-gfs2_file_buffered_write-endless-loop-workaround.patch queue-5.16/gfs2-gfs2_setattr_size-error-path-fix.patch queue-5.16/gfs2-make-sure-fitrim-minlen-is-rounded-up-to-fs-block-size.patch