snd_usb_toneport 6-1:0.0: set_interface failed
snd_usb_toneport 6-1:0.0: Line 6 POD Studio UX2 now disconnected
list_del corruption. prev->next should be ffff888091c9b868, but was ffff888096645868
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:51!
invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 PID: 5301 Comm: kworker/1:5 Not tainted 5.1.0-rc3-319004-g43151d6 #6
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: usb_hub_wq hub_event
RIP: 0010:__list_del_entry_valid.cold+0xf/0x55 lib/list_debug.c:51
Code: e8 19 33 ea fd 0f 0b 48 89 f1 48 c7 c7 e0 93 b3 8e 4c 89 e6 e8 05 33 ea fd 0f 0b 48 89 ee 48 c7 c7 80 95 b3 8e e8 f4 32 ea fd <0f> 0b 4c 89 ea 48 89 ee 48 c7 c7 c0 94 b3 8e e8 e0 32 ea fd 0f 0b
RSP: 0018:ffff888082acf118 EFLAGS: 00010282
RAX: 0000000000000054 RBX: ffff888091c9b770 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff815b2342 RDI: ffffed1010559e15
RBP: ffff888091c9b868 R08: 0000000000000054 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88809c9e49a8
R13: ffff88821ab88ad8 R14: ffff888091c9b770 R15: ffff888091c9b858
FS:  0000000000000000(0000) GS:ffff8880ad100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe02fcabc8 CR3: 0000000096586000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __list_del_entry include/linux/list.h:117 [inline]
 list_del include/linux/list.h:125 [inline]
 snd_info_free_entry+0x137/0x340 sound/core/info.c:795
 snd_info_card_free+0x43/0x90 sound/core/info.c:606
 snd_card_do_free sound/core/init.c:469 [inline]
 release_card_device+0x8b/0x100 sound/core/init.c:156
 device_release+0x7d/0x210 drivers/base/core.c:1064
 kobject_cleanup lib/kobject.c:662 [inline]
 kobject_release lib/kobject.c:691 [inline]
 kref_put include/linux/kref.h:67 [inline]
 kobject_put+0x1df/0x4f0 lib/kobject.c:708
 put_device+0x21/0x30 drivers/base/core.c:2205
 snd_card_free_when_closed+0x3a/0x50 sound/core/init.c:493
 line6_disconnect.cold+0xa3/0xbc sound/usb/line6/driver.c:833
 line6_probe+0xb23/0x1150 sound/usb/line6/driver.c:799
 usb_probe_interface+0x31d/0x820 drivers/usb/core/driver.c:361
 really_probe+0x2da/0xb10 drivers/base/dd.c:509
 driver_probe_device+0x21d/0x350 drivers/base/dd.c:671
 __device_attach_driver+0x1d8/0x290 drivers/base/dd.c:778
 bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:454
 __device_attach+0x223/0x3a0 drivers/base/dd.c:844
 bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514
 device_add+0xad2/0x16e0 drivers/base/core.c:2106
 usb_set_configuration+0xdf7/0x1740 drivers/usb/core/message.c:2023
 generic_probe+0xa2/0xda drivers/usb/core/generic.c:210
 usb_probe_device+0xc0/0x150 drivers/usb/core/driver.c:266
 really_probe+0x2da/0xb10 drivers/base/dd.c:509
 driver_probe_device+0x21d/0x350 drivers/base/dd.c:671
 __device_attach_driver+0x1d8/0x290 drivers/base/dd.c:778
 bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:454
 __device_attach+0x223/0x3a0 drivers/base/dd.c:844
 bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514
 device_add+0xad2/0x16e0 drivers/base/core.c:2106
 usb_new_device.cold+0x537/0xccf drivers/usb/core/hub.c:2534
 hub_port_connect drivers/usb/core/hub.c:5089 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5204 [inline]
 port_event drivers/usb/core/hub.c:5350 [inline]
 hub_event+0x138e/0x3b00 drivers/usb/core/hub.c:5432
 process_one_work+0x90f/0x1580 kernel/workqueue.c:2269
 worker_thread+0x9b/0xe20 kernel/workqueue.c:2415
 kthread+0x313/0x420 kernel/kthread.c:253
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
Modules linked in:
---[ end trace c90740aed926cdd1 ]---
RIP: 0010:__list_del_entry_valid.cold+0xf/0x55 lib/list_debug.c:51
Code: e8 19 33 ea fd 0f 0b 48 89 f1 48 c7 c7 e0 93 b3 8e 4c 89 e6 e8 05 33 ea fd 0f 0b 48 89 ee 48 c7 c7 80 95 b3 8e e8 f4 32 ea fd <0f> 0b 4c 89 ea 48 89 ee 48 c7 c7 c0 94 b3 8e e8 e0 32 ea fd 0f 0b
RSP: 0018:ffff888082acf118 EFLAGS: 00010282
RAX: 0000000000000054 RBX: ffff888091c9b770 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff815b2342 RDI: ffffed1010559e15
RBP: ffff888091c9b868 R08: 0000000000000054 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88809c9e49a8
R13: ffff88821ab88ad8 R14: ffff888091c9b770 R15: ffff888091c9b858
FS:  0000000000000000(0000) GS:ffff8880ad100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe02fcabc8 CR3: 0000000096586000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400