usb 3-1: New USB device found, idVendor=0681, idProduct=0009, bcdDevice=ed.98 usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 3-1: config 0 descriptor?? usb 3-1: gigaset_probe: Device matched ... ! kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] SMP KASAN CPU: 0 PID: 2000 Comm: kworker/0:2 Not tainted 5.2.0-rc6+ #15 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: usb_hub_wq hub_event RIP: 0010:gigaset_probe.cold+0x25d/0xd31 drivers/isdn/gigaset/usb-gigaset.c:707 Code: e0 2a 80 3c 02 00 74 0a 48 8b 7c 24 08 e8 26 e6 1c fd 4d 8b 6f 18 ba ff ff 37 00 48 c1 e2 2a 49 8d 7d 04 48 89 f8 48 c1 e8 03 <0f> b6 0c 10 49 8d 45 05 48 89 c6 48 c1 ee 03 0f b6 14 16 48 89 fe RSP: 0018:ffff8881c74ef2e0 EFLAGS: 00010247 RAX: 0000000000000000 RBX: ffff8881b3086600 RCX: ffffc9000ea0e000 RDX: dffffc0000000000 RSI: ffffffff83456ce6 RDI: 0000000000000004 RBP: ffff8881b3080920 R08: ffff8881c7c5c800 R09: ffffed1038e9de43 R10: ffffed1038e9de42 R11: 0000000000000003 R12: ffff8881c96a9c00 R13: 0000000000000000 R14: ffff8881d7ff4200 R15: ffff8881d9ae23c8 FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f22cc866000 CR3: 00000001bad1a000 CR4: 00000000001406f0 Call Trace: usb_probe_interface+0x305/0x7a0 drivers/usb/core/driver.c:361 really_probe+0x281/0x660 drivers/base/dd.c:509 driver_probe_device+0x104/0x210 drivers/base/dd.c:670 __device_attach_driver+0x1c2/0x220 drivers/base/dd.c:777 bus_for_each_drv+0x15c/0x1e0 drivers/base/bus.c:454 __device_attach+0x217/0x360 drivers/base/dd.c:843 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:514 device_add+0xae6/0x16f0 drivers/base/core.c:2111 usb_set_configuration+0xdf6/0x1670 drivers/usb/core/message.c:2023 generic_probe+0x9d/0xd5 drivers/usb/core/generic.c:210 usb_probe_device+0x99/0x100 drivers/usb/core/driver.c:266 really_probe+0x281/0x660 drivers/base/dd.c:509 driver_probe_device+0x104/0x210 drivers/base/dd.c:670 __device_attach_driver+0x1c2/0x220 drivers/base/dd.c:777 bus_for_each_drv+0x15c/0x1e0 drivers/base/bus.c:454 __device_attach+0x217/0x360 drivers/base/dd.c:843 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:514 device_add+0xae6/0x16f0 drivers/base/core.c:2111 usb_new_device.cold+0x6a4/0xe61 drivers/usb/core/hub.c:2536 hub_port_connect drivers/usb/core/hub.c:5098 [inline] hub_port_connect_change drivers/usb/core/hub.c:5213 [inline] port_event drivers/usb/core/hub.c:5359 [inline] hub_event+0x1abd/0x3550 drivers/usb/core/hub.c:5441 process_one_work+0x905/0x1570 kernel/workqueue.c:2269 worker_thread+0x96/0xe20 kernel/workqueue.c:2415 kthread+0x30b/0x410 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Modules linked in: ---[ end trace 05795ea86b3aa84e ]--- RIP: 0010:gigaset_probe.cold+0x25d/0xd31 drivers/isdn/gigaset/usb-gigaset.c:707 Code: e0 2a 80 3c 02 00 74 0a 48 8b 7c 24 08 e8 26 e6 1c fd 4d 8b 6f 18 ba ff ff 37 00 48 c1 e2 2a 49 8d 7d 04 48 89 f8 48 c1 e8 03 <0f> b6 0c 10 49 8d 45 05 48 89 c6 48 c1 ee 03 0f b6 14 16 48 89 fe RSP: 0018:ffff8881c74ef2e0 EFLAGS: 00010247 RAX: 0000000000000000 RBX: ffff8881b3086600 RCX: ffffc9000ea0e000 RDX: dffffc0000000000 RSI: ffffffff83456ce6 RDI: 0000000000000004 RBP: ffff8881b3080920 R08: ffff8881c7c5c800 R09: ffffed1038e9de43 R10: ffffed1038e9de42 R11: 0000000000000003 R12: ffff8881c96a9c00 R13: 0000000000000000 R14: ffff8881d7ff4200 R15: ffff8881d9ae23c8 FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f22cc866000 CR3: 00000001bad1a000 CR4: 00000000001406f0