The KMSAN bug report for the bug indicates that there exists; Local variable ----nd@do_file_open_root created at: do_file_open_root+0xa4/0xb40 fs/namei.c:3385 do_file_open_root+0xa4/0xb40 fs/namei.c:3385 Initializing nd fixes this issue, and doesn't break anything else either Fixes: https://syzkaller.appspot.com/bug?extid=4191a44ad556eacc1a7a Reported-by: syzbot+4191a44ad556eacc1a7a@xxxxxxxxxxxxxxxxxxxxxxxxx Tested-by: syzbot+4191a44ad556eacc1a7a@xxxxxxxxxxxxxxxxxxxxxxxxx Signed-off-by: Anant Thazhemadam <anant.thazhemadam@xxxxxxxxx> --- fs/namei.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/namei.c b/fs/namei.c index e99e2a9da0f7..b27382586209 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -3404,7 +3404,7 @@ struct file *do_filp_open(int dfd, struct filename *pathname, struct file *do_file_open_root(struct dentry *dentry, struct vfsmount *mnt, const char *name, const struct open_flags *op) { - struct nameidata nd; + struct nameidata nd = {}; struct file *file; struct filename *filename; int flags = op->lookup_flags | LOOKUP_ROOT; -- 2.25.1
