usb 4-1: USB2VGA dongle found at address 32 usb 4-1: Allocated 8 output buffers ------------[ cut here ]------------ usb 4-1: BOGUS urb xfer, pipe 3 != type 1 WARNING: CPU: 0 PID: 1547 at drivers/usb/core/urb.c:493 usb_submit_urb+0xd27/0x1540 drivers/usb/core/urb.c:493 Modules linked in: CPU: 0 PID: 1547 Comm: kworker/0:2 Not tainted 5.11.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: usb_hub_wq hub_event RIP: 0010:usb_submit_urb+0xd27/0x1540 drivers/usb/core/urb.c:493 Code: 84 d4 02 00 00 e8 79 5d bb fd 4c 89 ef e8 01 50 1d ff 41 89 d8 44 89 e1 4c 89 f2 48 89 c6 48 c7 c7 e0 6b 61 86 e8 ca 4b f9 01 <0f> 0b e9 81 f8 ff ff e8 4d 5d bb fd 48 81 c5 30 06 00 00 e9 ad f7 RSP: 0018:ffffc90004e36dc8 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: 0000000000040000 RSI: ffffffff812996d3 RDI: fffff520009c6dab RBP: ffff88811154d230 R08: 0000000000000001 R09: 0000000000000000 R10: ffffffff8149b86b R11: 0000000000000000 R12: 0000000000000003 R13: ffff888116a070a0 R14: ffff888107ebd690 R15: ffff8881185de300 FS: 0000000000000000(0000) GS:ffff8881f6a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6bf4a7e900 CR3: 0000000100d4d000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: sisusb_bulkout_msg drivers/usb/misc/sisusbvga/sisusb.c:238 [inline] sisusb_send_bulk_msg.constprop.0+0x904/0x1240 drivers/usb/misc/sisusbvga/sisusb.c:393 sisusb_send_bridge_packet drivers/usb/misc/sisusbvga/sisusb.c:581 [inline] sisusb_do_init_gfxdevice drivers/usb/misc/sisusbvga/sisusb.c:2135 [inline] sisusb_init_gfxdevice+0x87b/0x4000 drivers/usb/misc/sisusbvga/sisusb.c:2235 sisusb_probe+0x9ce/0xbe3 drivers/usb/misc/sisusbvga/sisusb.c:3120 usb_probe_interface+0x315/0x7f0 drivers/usb/core/driver.c:396 really_probe+0x291/0xde0 drivers/base/dd.c:561 driver_probe_device+0x26b/0x3d0 drivers/base/dd.c:745 __device_attach_driver+0x1d1/0x290 drivers/base/dd.c:851 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431 __device_attach+0x228/0x4a0 drivers/base/dd.c:919 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491 device_add+0xbc4/0x1d90 drivers/base/core.c:3091 usb_set_configuration+0x113c/0x1910 drivers/usb/core/message.c:2164 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+0x291/0xde0 drivers/base/dd.c:561 driver_probe_device+0x26b/0x3d0 drivers/base/dd.c:745 __device_attach_driver+0x1d1/0x290 drivers/base/dd.c:851 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431 __device_attach+0x228/0x4a0 drivers/base/dd.c:919 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491 device_add+0xbc4/0x1d90 drivers/base/core.c:3091 usb_new_device.cold+0x725/0x1057 drivers/usb/core/hub.c:2555 hub_port_connect drivers/usb/core/hub.c:5223 [inline] hub_port_connect_change drivers/usb/core/hub.c:5363 [inline] port_event drivers/usb/core/hub.c:5509 [inline] hub_event+0x2348/0x42d0 drivers/usb/core/hub.c:5591 process_one_work+0x98d/0x1580 kernel/workqueue.c:2275 worker_thread+0x64c/0x1120 kernel/workqueue.c:2421 kthread+0x38c/0x460 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296