Hello, syzbot has tested the proposed patch and the reproducer did not trigger crash: Reported-and-tested-by: syzbot+d403396d4df67ad0bd5f@xxxxxxxxxxxxxxxxxxxxxxxxx Tested on: commit: 0fa84af8 Merge tag 'usb-serial-5.7-rc1' of https://git.ker.. git tree: https://github.com/google/kasan.git usb-fuzzer kernel config: https://syzkaller.appspot.com/x/.config?x=a782c087b1f425c6 dashboard link: https://syzkaller.appspot.com/bug?extid=d403396d4df67ad0bd5f compiler: gcc (GCC) 9.0.0 20181231 (experimental) patch: https://syzkaller.appspot.com/x/patch.diff?x=15bd0cfbe00000 Note: testing is done by a robot and is best-effort only.