Re: [syzbot] [overlayfs?] general protection fault in ovl_init_uuid_xattr

[syzbot]

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-and-tested-by: syzbot+b592c1f562f0da80ce2c@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit:         0a3bf81d ovl: auto generate uuid for new overlay files..
git tree:       git://git.kernel.org/pub/scm/linux/kernel/git/overlayfs/vfs.git overlayfs-next
console output: https://syzkaller.appspot.com/x/log.txt?x=16079b6ca80000
kernel config:  https://syzkaller.appspot.com/x/.config?x=150188feee7071a7
dashboard link: https://syzkaller.appspot.com/bug?extid=b592c1f562f0da80ce2c
compiler:       gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2

Note: no patches were applied.
Note: testing is done by a robot and is best-effort only.