Re: general protection fault in __dev_printk

[syzbot]

Hello,

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

Reported-and-tested-by:  
syzbot+2eb9121678bdb36e6d57@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit:         d34f9519 usb-fuzzer: main usb gadget fuzzer driver
git tree:       https://github.com/google/kasan/tree/usb-fuzzer
kernel config:  https://syzkaller.appspot.com/x/.config?x=c73d1bb5aeaeae20
compiler:       gcc (GCC) 9.0.0 20181231 (experimental)
patch:          https://syzkaller.appspot.com/x/patch.diff?x=15909780a00000

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