Re: [syzbot] [overlayfs] possible deadlock in ovl_copy_up_flags

[syzbot]

Hello,

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

Reported-and-tested-by: syzbot+85e58cdf5b3136471d4b@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit:         f74ee925 ovl: tmpfile copy-up fix
git tree:       git://git.kernel.org/pub/scm/linux/kernel/git/overlayfs/vfs.git
console output: https://syzkaller.appspot.com/x/log.txt?x=142c4e2c980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=b9016f104992d69c
dashboard link: https://syzkaller.appspot.com/bug?extid=85e58cdf5b3136471d4b
compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40

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