Re: [syzbot] KASAN: use-after-free Read in filp_close

[syzbot]

Hello,

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

Reported-and-tested-by: syzbot+47dd250f527cb7bebf24@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit:         952923dd Merge tag 'pull-18-rc1-work.namei' of git://g..
git tree:       https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel config:  https://syzkaller.appspot.com/x/.config?x=3096247591885bfa
dashboard link: https://syzkaller.appspot.com/bug?extid=47dd250f527cb7bebf24
compiler:       gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
patch:          https://syzkaller.appspot.com/x/patch.diff?x=16bae7f5f00000

Note: testing is done by a robot and is best-effort only.