DVB: Unable to find symbol mt352_attach() dvb-usb: no frontend was attached by 'DViCO FusionHDTV DVB-T USB (LGZ201)' dvbdev: DVB: registering new adapter (DViCO FusionHDTV DVB-T USB (LGZ201)) usb 6-1: media controller created ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6936 at mm/vmalloc.c:2873 __vmalloc_node_range+0x769/0x970 mm/vmalloc.c:2873 Modules linked in: CPU: 0 PID: 6936 Comm: kworker/0:4 Not tainted 5.13.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: usb_hub_wq hub_event RIP: 0010:__vmalloc_node_range+0x769/0x970 mm/vmalloc.c:2873 Code: c7 04 24 00 00 00 00 eb 93 e8 53 8b d9 ff 44 89 fa 44 89 f6 4c 89 ef e8 c5 37 07 00 48 89 04 24 e9 be fb ff ff e8 37 8b d9 ff <0f> 0b 48 c7 04 24 00 00 00 00 e9 63 ff ff ff e8 23 8b d9 ff 8b 7c RSP: 0018:ffffc90004536e20 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffffffff8405b024 RCX: ffffc90010579000 RDX: 0000000000040000 RSI: ffffffff81678e09 RDI: 0000000000000003 RBP: 0000000000000001 R08: 0000000000000000 R09: 8000000000000163 R10: ffffffff81678742 R11: 0000000000000000 R12: 0000000000000000 R13: ffffc90000000000 R14: dffffc0000000000 R15: 00000000ffffffff FS: 0000000000000000(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055f61ff6d9a0 CR3: 0000000109103000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __vmalloc_node mm/vmalloc.c:2963 [inline] vmalloc+0x67/0x80 mm/vmalloc.c:2996 dvb_dmx_init+0xe4/0xb90 drivers/media/dvb-core/dvb_demux.c:1251 dvb_usb_adapter_dvb_init+0x564/0x860 drivers/media/usb/dvb-usb/dvb-usb-dvb.c:184 dvb_usb_adapter_init drivers/media/usb/dvb-usb/dvb-usb-init.c:86 [inline] dvb_usb_init drivers/media/usb/dvb-usb/dvb-usb-init.c:184 [inline] dvb_usb_device_init.cold+0xc94/0x146e drivers/media/usb/dvb-usb/dvb-usb-init.c:308 cxusb_probe+0x159/0x5e0 drivers/media/usb/dvb-usb/cxusb.c:1634 usb_probe_interface+0x315/0x7f0 drivers/usb/core/driver.c:396 really_probe+0x291/0xf70 drivers/base/dd.c:576 driver_probe_device+0x2a0/0x410 drivers/base/dd.c:763 __device_attach_driver+0x20b/0x2d0 drivers/base/dd.c:870 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431 __device_attach+0x228/0x4b0 drivers/base/dd.c:938 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491 device_add+0xc2f/0x2180 drivers/base/core.c:3352 usb_set_configuration+0x113f/0x1910 drivers/usb/core/message.c:2170 usb_generic_driver_probe+0xba/0x100 drivers/usb/core/generic.c:238 usb_probe_device+0xd9/0x2c0 drivers/usb/core/driver.c:293 really_probe+0x291/0xf70 drivers/base/dd.c:576 driver_probe_device+0x2a0/0x410 drivers/base/dd.c:763 __device_attach_driver+0x20b/0x2d0 drivers/base/dd.c:870 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431 __device_attach+0x228/0x4b0 drivers/base/dd.c:938 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491 device_add+0xc2f/0x2180 drivers/base/core.c:3352 usb_new_device.cold+0x63f/0x108e drivers/usb/core/hub.c:2559 hub_port_connect drivers/usb/core/hub.c:5300 [inline] hub_port_connect_change drivers/usb/core/hub.c:5440 [inline] port_event drivers/usb/core/hub.c:5586 [inline] hub_event+0x2357/0x4330 drivers/usb/core/hub.c:5668 process_one_work+0x98d/0x1580 kernel/workqueue.c:2276 process_scheduled_works kernel/workqueue.c:2338 [inline] worker_thread+0x82b/0x1120 kernel/workqueue.c:2424 kthread+0x38c/0x460 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294