syzbot has bisected this issue to: commit 5cc59c418fde9d02859996707b9d5dfd2941c50b Author: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> Date: Sat May 22 02:16:23 2021 +0000 USB: core: WARN if pipe direction != setup packet direction bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=126f1731300000 start commit: 794c7931a242 Merge branch 'linus' of git://git.kernel.org/.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=116f1731300000 console output: https://syzkaller.appspot.com/x/log.txt?x=166f1731300000 kernel config: https://syzkaller.appspot.com/x/.config?x=96f0602203250753 dashboard link: https://syzkaller.appspot.com/bug?extid=9b57a46bf1801ce2a2ca syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11ae58ce300000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11d71731300000 Reported-by: syzbot+9b57a46bf1801ce2a2ca@xxxxxxxxxxxxxxxxxxxxxxxxx Fixes: 5cc59c418fde ("USB: core: WARN if pipe direction != setup packet direction") For information about bisection process see: https://goo.gl/tpsmEJ#bisection