Warning: Permanently added '10.128.15.211' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 30.503585][ T95] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 30.713201][ T95] usb 1-1: config 0 has an invalid interface number: 139 but max is 0 [ 30.721549][ T95] usb 1-1: config 0 has no interface number 0 [ 30.727747][ T95] usb 1-1: config 0 interface 139 altsetting 0 has a duplicate endpoint with address 0x6, skipping [ 30.738506][ T95] usb 1-1: config 0 interface 139 altsetting 0 has an invalid endpoint with address 0x63, skipping [ 30.749226][ T95] usb 1-1: config 0 interface 139 altsetting 0 endpoint 0x2 has an invalid bInterval 193, changing to 7 [ 30.760370][ T95] usb 1-1: config 0 interface 139 altsetting 0 has an invalid endpoint descriptor of length 2, skipping [ 30.771577][ T95] usb 1-1: config 0 interface 139 altsetting 0 has a duplicate endpoint with address 0x2, skipping [ 30.782342][ T95] usb 1-1: config 0 interface 139 altsetting 0 endpoint 0x9 has invalid wMaxPacketSize 0 [ 30.792254][ T95] usb 1-1: config 0 interface 139 altsetting 0 endpoint 0x7 has an invalid bInterval 63, changing to 9 [ 30.803311][ T95] usb 1-1: config 0 interface 139 altsetting 0 has a duplicate endpoint with address 0x6, skipping [ 30.814035][ T95] usb 1-1: config 0 interface 139 altsetting 0 has 15 endpoint descriptors, different from the interface descriptor's value: 14 [ 30.827359][ T95] usb 1-1: New USB device found, idVendor=0711, idProduct=0920, bcdDevice=95.cd [ 30.836416][ T95] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 30.846185][ T95] usb 1-1: config 0 descriptor?? [ 30.884891][ T95] usb 1-1: USB2VGA dongle found at address 2 [ 30.895648][ T95] usb 1-1: Allocated 8 output buffers [ 30.901117][ T95] ------------[ cut here ]------------ [ 30.906617][ T95] usb 1-1: BOGUS urb xfer, pipe 3 != type 1 [ 30.912741][ T95] WARNING: CPU: 1 PID: 95 at drivers/usb/core/urb.c:478 usb_submit_urb+0x1188/0x1460 [ 30.922266][ T95] Kernel panic - not syncing: panic_on_warn set ... [ 30.928843][ T95] CPU: 1 PID: 95 Comm: kworker/1:2 Not tainted 5.6.0-rc3-syzkaller #0 [ 30.936974][ T95] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.947035][ T95] Workqueue: usb_hub_wq hub_event [ 30.952091][ T95] Call Trace: [ 30.955365][ T95] dump_stack+0xef/0x16e [ 30.959627][ T95] ? usb_submit_urb+0x1090/0x1460 [ 30.964693][ T95] panic+0x2aa/0x6e1 [ 30.968568][ T95] ? add_taint.cold+0x16/0x16 [ 30.973273][ T95] ? __probe_kernel_read+0x188/0x1d0 [ 30.978579][ T95] ? __warn.cold+0x14/0x30 [ 30.982979][ T95] ? __warn+0xd5/0x1c8 [ 30.987034][ T95] ? usb_submit_urb+0x1188/0x1460 [ 30.992036][ T95] __warn.cold+0x2f/0x30 [ 30.996259][ T95] ? usb_submit_urb+0x1188/0x1460 [ 31.001265][ T95] report_bug+0x27b/0x2f0 [ 31.005589][ T95] do_error_trap+0x12b/0x1e0 [ 31.010159][ T95] ? usb_submit_urb+0x1188/0x1460 [ 31.015162][ T95] do_invalid_op+0x32/0x40 [ 31.019581][ T95] ? usb_submit_urb+0x1188/0x1460 [ 31.024584][ T95] invalid_op+0x23/0x30 [ 31.029085][ T95] RIP: 0010:usb_submit_urb+0x1188/0x1460 [ 31.034697][ T95] Code: 4d 85 ed 74 46 e8 18 ce dd fd 4c 89 f7 e8 d0 5c 17 ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 e0 e7 3b 86 e8 a0 5f b2 fd <0f> 0b e9 20 f4 ff ff e8 ec cd dd fd 0f 1f 44 00 00 e8 e2 cd dd fd [ 31.054282][ T95] RSP: 0018:ffff8881d54d6d50 EFLAGS: 00010286 [ 31.060330][ T95] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 31.068292][ T95] RDX: 0000000000000000 RSI: ffffffff812977dd RDI: ffffed103aa9ad9c [ 31.076429][ T95] RBP: ffff8881c7605050 R08: ffff8881d736c980 R09: fffffbfff1266c8f [ 31.084448][ T95] R10: fffffbfff1266c8e R11: ffffffff89336477 R12: 0000000000000003 [ 31.092534][ T95] R13: ffff8881d46b77c8 R14: ffff8881c76040a0 R15: ffff8881d4432800 [ 31.100547][ T95] ? vprintk_func+0x7d/0x113 [ 31.105123][ T95] sisusb_send_bulk_msg.constprop.0+0x8b4/0x1070 [ 31.111465][ T95] ? preempt_schedule_common+0x44/0x60 [ 31.116910][ T95] ? sisusb_recv_bulk_msg.constprop.0+0x830/0x830 [ 31.123450][ T95] ? wake_up_klogd+0x41/0x50 [ 31.128059][ T95] ? vprintk_emit+0x18c/0x3d0 [ 31.132782][ T95] sisusb_send_bridge_packet.constprop.0+0x11c/0x240 [ 31.139490][ T95] ? sisusb_send_bulk_msg.constprop.0+0x1070/0x1070 [ 31.146189][ T95] sisusb_do_init_gfxdevice+0x8a/0x450 [ 31.151653][ T95] ? sisusb_read_memio_word+0x2f0/0x2f0 [ 31.157254][ T95] ? dev_printk_emit+0xba/0xf1 [ 31.162002][ T95] ? dev_vprintk_emit+0x541/0x541 [ 31.167007][ T95] ? really_probe+0x290/0xac0 [ 31.171666][ T95] sisusb_init_gfxdevice+0xe1/0x18d0 [ 31.177080][ T95] ? hub_event+0x21cb/0x4300 [ 31.181657][ T95] ? worker_thread+0x96/0xe20 [ 31.186319][ T95] ? kthread+0x318/0x420 [ 31.190606][ T95] ? __dev_printk+0x1db/0x203 [ 31.195369][ T95] ? sisusb_set_default_mode+0xa50/0xa50 [ 31.201006][ T95] ? _dev_info+0xd7/0x109 [ 31.205507][ T95] ? _dev_notice+0x109/0x109 [ 31.210087][ T95] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 31.215357][ T95] ? lockdep_init_map+0x1b0/0x5e0 [ 31.220364][ T95] ? kobject_get+0xbc/0x150 [ 31.224849][ T95] sisusb_probe+0x902/0xaf4 [ 31.229344][ T95] usb_probe_interface+0x310/0x800 [ 31.234447][ T95] ? usb_probe_device+0x230/0x230 [ 31.239451][ T95] really_probe+0x290/0xac0 [ 31.243954][ T95] driver_probe_device+0x223/0x350 [ 31.249065][ T95] __device_attach_driver+0x1d1/0x290 [ 31.254434][ T95] ? driver_allows_async_probing+0x160/0x160 [ 31.260416][ T95] bus_for_each_drv+0x162/0x1e0 [ 31.265306][ T95] ? bus_rescan_devices+0x20/0x20 [ 31.270311][ T95] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 31.276116][ T95] ? lockdep_hardirqs_on+0x382/0x580 [ 31.281385][ T95] __device_attach+0x217/0x390 [ 31.286151][ T95] ? device_bind_driver+0xd0/0xd0 [ 31.291212][ T95] bus_probe_device+0x1e4/0x290 [ 31.296062][ T95] device_add+0x1459/0x1bf0 [ 31.300562][ T95] ? wait_for_completion+0x3c0/0x3c0 [ 31.305855][ T95] ? device_link_remove+0x110/0x110 [ 31.311041][ T95] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 31.316911][ T95] usb_set_configuration+0xe47/0x17d0 [ 31.322302][ T95] usb_generic_driver_probe+0x9d/0xe0 [ 31.327668][ T95] usb_probe_device+0xd9/0x230 [ 31.332472][ T95] ? usb_suspend+0x5f0/0x5f0 [ 31.337052][ T95] really_probe+0x290/0xac0 [ 31.341579][ T95] driver_probe_device+0x223/0x350 [ 31.346713][ T95] __device_attach_driver+0x1d1/0x290 [ 31.352113][ T95] ? driver_allows_async_probing+0x160/0x160 [ 31.358104][ T95] bus_for_each_drv+0x162/0x1e0 [ 31.362951][ T95] ? bus_rescan_devices+0x20/0x20 [ 31.367968][ T95] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 31.373767][ T95] ? lockdep_hardirqs_on+0x382/0x580 [ 31.379032][ T95] __device_attach+0x217/0x390 [ 31.383801][ T95] ? device_bind_driver+0xd0/0xd0 [ 31.388804][ T95] bus_probe_device+0x1e4/0x290 [ 31.393635][ T95] device_add+0x1459/0x1bf0 [ 31.398132][ T95] ? device_link_remove+0x110/0x110 [ 31.403309][ T95] usb_new_device.cold+0x540/0xcd0 [ 31.408399][ T95] hub_event+0x21cb/0x4300 [ 31.412793][ T95] ? hub_port_debounce+0x350/0x350 [ 31.417901][ T95] ? find_held_lock+0x2d/0x110 [ 31.422652][ T95] ? mark_held_locks+0xe0/0xe0 [ 31.427445][ T95] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 31.432981][ T95] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 31.438254][ T95] process_one_work+0x94b/0x1620 [ 31.443182][ T95] ? pwq_dec_nr_in_flight+0x310/0x310 [ 31.448548][ T95] ? do_raw_spin_lock+0x129/0x290 [ 31.453570][ T95] worker_thread+0x96/0xe20 [ 31.458077][ T95] ? process_one_work+0x1620/0x1620 [ 31.463270][ T95] kthread+0x318/0x420 [ 31.467322][ T95] ? kthread_create_on_node+0xf0/0xf0 [ 31.472708][ T95] ret_from_fork+0x24/0x30 [ 31.477909][ T95] Kernel Offset: disabled [ 31.482296][ T95] Rebooting in 86400 seconds..