net_ratelimit: 25 callbacks suppressed
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
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URB 000000003b3bab87 submitted while active
WARNING: CPU: 1 PID: 22 at drivers/usb/core/urb.c:363 usb_submit_urb+0x1110/0x1400 drivers/usb/core/urb.c:363
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 22 Comm: kworker/1:1 Not tainted 4.20.0+ #11
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_power_efficient hub_init_func2
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1db/0x2d0 lib/dump_stack.c:113
 panic+0x2cb/0x65c kernel/panic.c:214
 __warn.cold+0x20/0x48 kernel/panic.c:571
 report_bug+0x263/0x2b0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 fixup_bug arch/x86/kernel/traps.c:173 [inline]
 do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:271
 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:290
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973
RIP: 0010:usb_submit_urb+0x1110/0x1400 drivers/usb/core/urb.c:363
Code: 89 de e8 93 9c 88 fc 84 db 0f 85 fe f5 ff ff e8 46 9b 88 fc 4c 89 fe 48 c7 c7 40 ba b2 88 c6 05 44 ac 5e 05 01 e8 70 f0 51 fc <0f> 0b e9 dc f5 ff ff c7 45 c8 01 00 00 00 e9 94 f6 ff ff 41 be ed
RSP: 0000:ffff8880a9627820 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff81684ce6 RDI: 0000000000000005
RBP: ffff8880a9627880 R08: ffff8880a960e5c0 R09: ffffed1015ce3ef9
R10: ffffed1015ce3ef8 R11: ffff8880ae71f7c7 R12: ffff888042241b10
R13: ffff8880a96279a0 R14: 00000000fffffff0 R15: ffff8880a7fa1600
kobject: 'loop4' (0000000061fa1dac): kobject_uevent_env
 hub_activate+0xce7/0x1980 drivers/usb/core/hub.c:1225
kobject: 'loop4' (0000000061fa1dac): fill_kobj_path: path = '/devices/virtual/block/loop4'
 hub_init_func2+0x1e/0x30 drivers/usb/core/hub.c:1250
 process_one_work+0xd0c/0x1ce0 kernel/workqueue.c:2153
 worker_thread+0x143/0x14a0 kernel/workqueue.c:2296
 kthread+0x357/0x430 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
Kernel Offset: disabled
Rebooting in 86400 seconds..