------------[ cut here ]------------ usb 1-1: Device reset WARNING: CPU: 0 PID: 94 at drivers/usb/core/hub.c:5761 usb_reset_and_verify_device+0x37d/0xce0 drivers/usb/core/hub.c:5761 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 94 Comm: kworker/0:2 Not tainted 5.6.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events __usb_queue_reset_device Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xef/0x16e lib/dump_stack.c:118 panic+0x2aa/0x6e1 kernel/panic.c:221 __warn.cold+0x2f/0x30 kernel/panic.c:582 report_bug+0x27b/0x2f0 lib/bug.c:195 fixup_bug arch/x86/kernel/traps.c:174 [inline] fixup_bug arch/x86/kernel/traps.c:169 [inline] do_error_trap+0x12b/0x1e0 arch/x86/kernel/traps.c:267 do_invalid_op+0x32/0x40 arch/x86/kernel/traps.c:286 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027 RIP: 0010:usb_reset_and_verify_device+0x37d/0xce0 drivers/usb/core/hub.c:5761 Code: 0f 84 9e 06 00 00 e8 82 89 df fd 49 8d bc 24 a8 00 00 00 e8 85 59 19 ff 4c 89 ea 48 c7 c7 e0 86 3b 86 48 89 c6 e8 2b 1a b4 fd <0f> 0b 4d 89 e5 4c 89 34 24 44 8b 74 24 3c 48 b8 00 00 00 00 00 fc RSP: 0018:ffff8881d5d7fb98 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff8881d4d70000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff812974dd RDI: ffffed103abaff65 RBP: 0000000000000000 R08: ffff8881d6b01880 R09: ffffed103b646248 R10: ffffed103b646247 R11: ffff8881db23123f R12: ffff8881d8f1e000 R13: ffff8881c9381900 R14: ffff8881d4ce5000 R15: ffff8881d8f1e560 usb_reset_device+0x4bb/0x960 drivers/usb/core/hub.c:5946 __usb_queue_reset_device+0x68/0x90 drivers/usb/core/message.c:1754 process_one_work+0x94b/0x1620 kernel/workqueue.c:2266 worker_thread+0x96/0xe20 kernel/workqueue.c:2412 kthread+0x318/0x420 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Kernel Offset: disabled Rebooting in 86400 seconds..