Re: [syzbot] KASAN: use-after-free Write in gadgetfs_kill_sb

[syzbot]

Hello,

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

Reported-and-tested-by: syzbot+33d7ad66d65044b93f16@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit:         830b3c68 Linux 6.1
git tree:       https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/
console output: https://syzkaller.appspot.com/x/log.txt?x=10f5988b880000
kernel config:  https://syzkaller.appspot.com/x/.config?x=5a194ed4fc682723
dashboard link: https://syzkaller.appspot.com/bug?extid=33d7ad66d65044b93f16
compiler:       Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2
patch:          https://syzkaller.appspot.com/x/patch.diff?x=12208bc0480000

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