snd_usb_toneport 5-1:0.0: set_interface failed snd_usb_toneport 5-1:0.0: Line 6 POD Studio UX2 now disconnected list_del corruption. next->prev should be ffff8880829b4868, but was ffff888099945ea8 snd_usb_toneport 2-1:0.0: set_interface failed ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:54! snd_usb_toneport 2-1:0.0: Line 6 POD Studio UX2 now disconnected invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 1 PID: 5445 Comm: kworker/1:4 Not tainted 5.1.0-rc4-319354-g9a33b36 #3 ================================================================== Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 BUG: KASAN: use-after-free in __list_del_entry_valid+0xe0/0xef lib/list_debug.c:51 Workqueue: usb_hub_wq hub_event Read of size 8 at addr ffff88809fe92228 by task kworker/0:0/5 RIP: 0010:__list_del_entry_valid.cold+0x48/0x55 lib/list_debug.c:54 CPU: 0 PID: 5 Comm: kworker/0:0 Not tainted 5.1.0-rc4-319354-g9a33b36 #3 Code: e8 30 e7 e9 fd 0f 0b 4c 89 e2 48 89 ee 48 c7 c7 40 95 b3 8e e8 1c e7 e9 fd 0f 0b 48 89 ee 48 c7 c7 00 96 b3 8e e8 0b e7 e9 fd <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 41 54 55 53 48 89 fb 48 c7 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RSP: 0018:ffff888095fc7118 EFLAGS: 00010282 Workqueue: usb_hub_wq hub_event RAX: 0000000000000054 RBX: ffff8880829b4770 RCX: 0000000000000000 Call Trace: RDX: 0000000000000000 RSI: ffffffff815b1e42 RDI: ffffed1012bf8e15 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xe8/0x16e lib/dump_stack.c:113 RBP: ffff8880829b4868 R08: 0000000000000054 R09: ffffed1015a24fc9 R10: ffffed1015a24fc8 R11: ffff8880ad127e47 R12: ffff888214569ea8 R13: ffff88821a513c18 R14: ffff8880829b4770 R15: ffff8880829b4858 print_address_description+0x6c/0x236 mm/kasan/report.c:187 FS: 0000000000000000(0000) GS:ffff8880ad100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000940004 CR3: 0000000098a72000 CR4: 00000000001406e0 kasan_report.cold+0x1a/0x3c mm/kasan/report.c:317 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 __list_del_entry_valid+0xe0/0xef lib/list_debug.c:51 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 __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_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 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 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 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 put_device+0x21/0x30 drivers/base/core.c:2205 snd_card_free_when_closed+0x3a/0x50 sound/core/init.c:493 snd_card_free_when_closed+0x3a/0x50 sound/core/init.c:493 line6_disconnect.cold+0xa3/0xbc sound/usb/line6/driver.c:833 line6_disconnect.cold+0xa3/0xbc sound/usb/line6/driver.c:833 line6_probe+0xb23/0x1150 sound/usb/line6/driver.c:799 line6_probe+0xb23/0x1150 sound/usb/line6/driver.c:799 usb_probe_interface+0x31d/0x820 drivers/usb/core/driver.c:361 usb_probe_interface+0x31d/0x820 drivers/usb/core/driver.c:361 really_probe+0x2da/0xb10 drivers/base/dd.c:509 really_probe+0x2da/0xb10 drivers/base/dd.c:509 driver_probe_device+0x21d/0x350 drivers/base/dd.c:671 driver_probe_device+0x21d/0x350 drivers/base/dd.c:671 __device_attach_driver+0x1d8/0x290 drivers/base/dd.c:778 __device_attach_driver+0x1d8/0x290 drivers/base/dd.c:778 bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:454 bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:454 __device_attach+0x223/0x3a0 drivers/base/dd.c:844 __device_attach+0x223/0x3a0 drivers/base/dd.c:844 bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514 bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514 device_add+0xad2/0x16e0 drivers/base/core.c:2106 device_add+0xad2/0x16e0 drivers/base/core.c:2106 usb_set_configuration+0xdf7/0x1740 drivers/usb/core/message.c:2021 usb_set_configuration+0xdf7/0x1740 drivers/usb/core/message.c:2021 generic_probe+0xa2/0xda drivers/usb/core/generic.c:210 generic_probe+0xa2/0xda drivers/usb/core/generic.c:210 usb_probe_device+0xc0/0x150 drivers/usb/core/driver.c:266 usb_probe_device+0xc0/0x150 drivers/usb/core/driver.c:266 really_probe+0x2da/0xb10 drivers/base/dd.c:509 really_probe+0x2da/0xb10 drivers/base/dd.c:509 driver_probe_device+0x21d/0x350 drivers/base/dd.c:671 driver_probe_device+0x21d/0x350 drivers/base/dd.c:671 __device_attach_driver+0x1d8/0x290 drivers/base/dd.c:778 __device_attach_driver+0x1d8/0x290 drivers/base/dd.c:778 bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:454 bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:454 __device_attach+0x223/0x3a0 drivers/base/dd.c:844 __device_attach+0x223/0x3a0 drivers/base/dd.c:844 bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514 bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514 device_add+0xad2/0x16e0 drivers/base/core.c:2106 device_add+0xad2/0x16e0 drivers/base/core.c:2106 usb_new_device.cold+0x537/0xccf drivers/usb/core/hub.c:2534 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 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 process_one_work+0x90f/0x1580 kernel/workqueue.c:2269 worker_thread+0x9b/0xe20 kernel/workqueue.c:2415 worker_thread+0x9b/0xe20 kernel/workqueue.c:2415 kthread+0x313/0x420 kernel/kthread.c:253 kthread+0x313/0x420 kernel/kthread.c:253 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 Modules linked in: ---[ end trace 151321b510d44574 ]--- Allocated by task 17: RIP: 0010:__list_del_entry_valid.cold+0x48/0x55 lib/list_debug.c:54 set_track mm/kasan/common.c:87 [inline] __kasan_kmalloc mm/kasan/common.c:497 [inline] __kasan_kmalloc.constprop.0+0xbf/0xd0 mm/kasan/common.c:470 kmalloc include/linux/slab.h:547 [inline] kzalloc include/linux/slab.h:742 [inline] snd_info_create_entry+0x56/0x400 sound/core/info.c:701 snd_info_create_module_entry sound/core/info.c:737 [inline] create_subdir+0x27/0xa0 sound/core/info.c:454 snd_info_card_create+0xcf/0x230 sound/core/info.c:528 Code: e8 30 e7 e9 fd 0f 0b 4c 89 e2 48 89 ee 48 c7 c7 40 95 b3 8e e8 1c e7 e9 fd 0f 0b 48 89 ee 48 c7 c7 00 96 b3 8e e8 0b e7 e9 fd <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 41 54 55 53 48 89 fb 48 c7 snd_card_new+0x61d/0x920 sound/core/init.c:255 RSP: 0018:ffff888095fc7118 EFLAGS: 00010282 line6_probe+0x135/0x1150 sound/usb/line6/driver.c:736 RAX: 0000000000000054 RBX: ffff8880829b4770 RCX: 0000000000000000 usb_probe_interface+0x31d/0x820 drivers/usb/core/driver.c:361 RDX: 0000000000000000 RSI: ffffffff815b1e42 RDI: ffffed1012bf8e15 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 RBP: ffff8880829b4868 R08: 0000000000000054 R09: ffffed1015a24fc9 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 R10: ffffed1015a24fc8 R11: ffff8880ad127e47 R12: ffff888214569ea8 R13: ffff88821a513c18 R14: ffff8880829b4770 R15: ffff8880829b4858 FS: 0000000000000000(0000) GS:ffff8880ad100000(0000) knlGS:0000000000000000 device_add+0xad2/0x16e0 drivers/base/core.c:2106 usb_set_configuration+0xdf7/0x1740 drivers/usb/core/message.c:2021 generic_probe+0xa2/0xda drivers/usb/core/generic.c:210 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 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 CR2: 0000000000940004 CR3: 0000000098a72000 CR4: 00000000001406e0 __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 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514 device_add+0xad2/0x16e0 drivers/base/core.c:2106 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 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