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 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 PTI CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.1.0-rc5-319617-gd34f951 #5 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: usb_hub_wq hub_event RIP: 0010:dev_name include/linux/device.h:1087 [inline] RIP: 0010:__dev_printk+0x3f/0x215 drivers/base/core.c:3208 Code: 89 f5 53 e8 0e 24 1c fc 48 85 ed 0f 84 c9 01 00 00 e8 00 24 1c fc 48 8d 7d 50 b8 ff ff 37 00 48 89 fa 48 c1 e0 2a 48 c1 ea 03 <80> 3c 02 00 74 05 e8 21 39 53 fc 4c 8b 7d 50 4d 85 ff 75 28 e8 d3 RSP: 0018:ffff8880a84b71c8 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: ffffed1015096e40 RCX: ffffc90013283000 RDX: 000000000000001e RSI: ffffffff85559e10 RDI: 00000000000000f0 RBP: 00000000000000a0 R08: ffff8880a84a4980 R09: 0000000000000006 R10: ffff8880a84a5288 R11: ffff8880a84a4980 R12: ffffffff8f031b00 R13: ffff8880a84b7220 R14: ffff888077fa3300 R15: ffff88807d0fd500 FS: 0000000000000000(0000) GS:ffff8880ad000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f55203892b8 CR3: 0000000098a1a000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: _dev_err+0xdc/0x10e drivers/base/core.c:3251 sisusb_probe+0x1c8/0xbd6 drivers/usb/misc/sisusbvga/sisusb.c:3035 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:2021 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+0x1398/0x3b00 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 2d6a1793ff0d0739 ]--- RIP: 0010:dev_name include/linux/device.h:1087 [inline] RIP: 0010:__dev_printk+0x3f/0x215 drivers/base/core.c:3208 Code: 89 f5 53 e8 0e 24 1c fc 48 85 ed 0f 84 c9 01 00 00 e8 00 24 1c fc 48 8d 7d 50 b8 ff ff 37 00 48 89 fa 48 c1 e0 2a 48 c1 ea 03 <80> 3c 02 00 74 05 e8 21 39 53 fc 4c 8b 7d 50 4d 85 ff 75 28 e8 d3 RSP: 0018:ffff8880a84b71c8 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: ffffed1015096e40 RCX: ffffc90013283000 RDX: 000000000000001e RSI: ffffffff85559e10 RDI: 00000000000000f0 RBP: 00000000000000a0 R08: ffff8880a84a4980 R09: 0000000000000006 R10: ffff8880a84a5288 R11: ffff8880a84a4980 R12: ffffffff8f031b00 R13: ffff8880a84b7220 R14: ffff888077fa3300 R15: ffff88807d0fd500 FS: 0000000000000000(0000) GS:ffff8880ad000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f55203892b8 CR3: 0000000098a1a000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400