Warning: Permanently added '10.128.1.8' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 29.517812][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 29.757762][ T12] usb 1-1: Using ep0 maxpacket: 16 [ 29.877896][ T12] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 29.888885][ T12] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has wMaxPacketSize 0, skipping [ 29.898874][ T12] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 29.911797][ T12] usb 1-1: New USB device found, idVendor=045e, idProduct=07da, bcdDevice= 0.00 [ 29.920854][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 29.930024][ T12] usb 1-1: config 0 descriptor?? [ 29.948027][ T1722] raw: raw_ioctl_ep_enable: fail, usb_ep_enable returned -22 [ 30.277856][ T12] usbhid 1-1:0.0: can't add hid device: -71 [ 30.284002][ T12] usbhid: probe of 1-1:0.0 failed with error -71 [ 30.291839][ T12] usb 1-1: USB disconnect, device number 2 [ 30.747766][ T12] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 30.987763][ T12] usb 1-1: Using ep0 maxpacket: 16 [ 31.107867][ T12] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 31.118892][ T12] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has wMaxPacketSize 0, skipping [ 31.128817][ T12] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 31.141640][ T12] usb 1-1: New USB device found, idVendor=045e, idProduct=07da, bcdDevice= 0.00 [ 31.150688][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 31.159568][ T12] usb 1-1: config 0 descriptor?? [ 31.177842][ T1722] raw: raw_ioctl_ep_enable: fail, usb_ep_enable returned -22 [ 31.631518][ T12] microsoft 0003:045E:07DA.0001: ignoring exceeding usage max [ 31.643933][ T12] input: HID 045e:07da as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/0003:045E:07DA.0001/input/input5 [ 31.720711][ T12] microsoft 0003:045E:07DA.0001: input,hidraw0: USB HID v0.00 Device [HID 045e:07da] on usb-dummy_hcd.0-1/input0 [ 31.828863][ T1722] ================================================================== [ 31.837986][ T1722] BUG: KASAN: global-out-of-bounds in kbd_event+0xe6b/0x3790 [ 31.845344][ T1722] Write of size 8 at addr ffffffff89a1b2d8 by task syz-executor108/1722 [ 31.853637][ T1722] [ 31.855949][ T1722] CPU: 1 PID: 1722 Comm: syz-executor108 Not tainted 5.4.0-rc6+ #0 [ 31.864008][ T1722] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.874057][ T1722] Call Trace: [ 31.877336][ T1722] dump_stack+0xca/0x13e [ 31.881570][ T1722] ? kbd_event+0xe6b/0x3790 [ 31.886054][ T1722] ? kbd_event+0xe6b/0x3790 [ 31.890540][ T1722] print_address_description.constprop.0.cold+0x5/0x2fc [ 31.897528][ T1722] ? kbd_event+0xe6b/0x3790 [ 31.902060][ T1722] ? kbd_event+0xe6b/0x3790 [ 31.906545][ T1722] __kasan_report.cold+0x1a/0x33 [ 31.911469][ T1722] ? kbd_event+0xe6b/0x3790 [ 31.915952][ T1722] kasan_report+0xe/0x20 [ 31.920178][ T1722] check_memory_region+0x128/0x190 [ 31.925287][ T1722] kbd_event+0xe6b/0x3790 [ 31.929595][ T1722] ? k_pad+0x720/0x720 [ 31.933649][ T1722] ? mark_held_locks+0xe0/0xe0 [ 31.938416][ T1722] ? k_pad+0x720/0x720 [ 31.942467][ T1722] input_to_handler+0x3b6/0x4c0 [ 31.947314][ T1722] input_pass_values.part.0+0x2e3/0x720 [ 31.952840][ T1722] ? hidinput_setkeycode+0x2b3/0x390 [ 31.958102][ T1722] input_set_keycode+0x290/0x320 [ 31.963025][ T1722] ? input_repeat_key+0x2c0/0x2c0 [ 31.968040][ T1722] ? __might_fault+0x192/0x1d0 [ 31.972789][ T1722] evdev_handle_set_keycode_v2+0xc4/0x120 [ 31.978496][ T1722] ? evdev_handle_set_keycode+0x170/0x170 [ 31.984198][ T1722] evdev_ioctl_handler+0xd49/0x19f0 [ 31.989378][ T1722] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 31.995438][ T1722] ? str_to_user+0x90/0x90 [ 31.999839][ T1722] ? find_held_lock+0x2d/0x110 [ 32.004589][ T1722] ? debug_check_no_obj_freed+0x20f/0x443 [ 32.010298][ T1722] ? lock_downgrade+0x6e0/0x6e0 [ 32.015147][ T1722] ? lock_acquire+0x127/0x320 [ 32.019801][ T1722] ? debug_check_no_obj_freed+0xc4/0x443 [ 32.025410][ T1722] ? evdev_ioctl_compat+0x30/0x30 [ 32.030413][ T1722] do_vfs_ioctl+0xd2d/0x1330 [ 32.034995][ T1722] ? putname+0xe1/0x120 [ 32.039152][ T1722] ? putname+0xe1/0x120 [ 32.043299][ T1722] ? ioctl_preallocate+0x200/0x200 [ 32.048400][ T1722] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 32.053667][ T1722] ? __kasan_slab_free+0x145/0x180 [ 32.058758][ T1722] ? kmem_cache_free+0x2cd/0x380 [ 32.063671][ T1722] ? putname+0xe1/0x120 [ 32.067814][ T1722] ? do_sys_open+0x2e7/0x580 [ 32.072385][ T1722] ? filp_open+0x70/0x70 [ 32.076603][ T1722] ksys_ioctl+0x9b/0xc0 [ 32.080753][ T1722] __x64_sys_ioctl+0x6f/0xb0 [ 32.085382][ T1722] ? lockdep_hardirqs_on+0x382/0x580 [ 32.090837][ T1722] do_syscall_64+0xb7/0x580 [ 32.095333][ T1722] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 32.101219][ T1722] RIP: 0033:0x444dc9 [ 32.105113][ T1722] Code: e8 bc af 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 1b d8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 32.124694][ T1722] RSP: 002b:00007fffaf4eda08 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 32.133084][ T1722] RAX: ffffffffffffffda RBX: 00000000004002e0 RCX: 0000000000444dc9 [ 32.141044][ T1722] RDX: 0000000020000080 RSI: 0000000040284504 RDI: 0000000000000004 [ 32.148995][ T1722] RBP: 00000000006cf018 R08: 090b000000008300 R09: 00000000004002e0 [ 32.156952][ T1722] R10: 000000000000000f R11: 0000000000000246 R12: 0000000000402a70 [ 32.164904][ T1722] R13: 0000000000402b00 R14: 0000000000000000 R15: 0000000000000000 [ 32.172854][ T1722] [ 32.175158][ T1722] The buggy address belongs to the variable: [ 32.181139][ T1722] key_down+0x78/0x80 [ 32.185097][ T1722] [ 32.187410][ T1722] Memory state around the buggy address: [ 32.193019][ T1722] ffffffff89a1b180: fa fa fa fa 04 fa fa fa fa fa fa fa 01 fa fa fa [ 32.201057][ T1722] ffffffff89a1b200: fa fa fa fa 00 01 fa fa fa fa fa fa 00 00 00 00 [ 32.209111][ T1722] >ffffffff89a1b280: 00 00 00 00 00 00 00 00 fa fa fa fa 00 00 00 00 [ 32.217146][ T1722] ^ [ 32.224065][ T1722] ffffffff89a1b300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 32.232101][ T1722] ffffffff89a1b380: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 32.240141][ T1722] ================================================================== [ 32.248187][ T1722] Disabling lock debugging due to kernel taint [ 32.254360][ T1722] Kernel panic - not syncing: panic_on_warn set ... [ 32.261082][ T1722] CPU: 1 PID: 1722 Comm: syz-executor108 Tainted: G B 5.4.0-rc6+ #0 [ 32.270335][ T1722] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.280367][ T1722] Call Trace: [ 32.283643][ T1722] dump_stack+0xca/0x13e [ 32.287873][ T1722] panic+0x2aa/0x6e1 [ 32.291773][ T1722] ? add_taint.cold+0x16/0x16 [ 32.296459][ T1722] ? print_shadow_for_address+0xb8/0x114 [ 32.302085][ T1722] ? trace_hardirqs_off+0x50/0x1d0 [ 32.307195][ T1722] ? kbd_event+0xe6b/0x3790 [ 32.311686][ T1722] end_report+0x43/0x49 [ 32.315819][ T1722] ? kbd_event+0xe6b/0x3790 [ 32.320314][ T1722] __kasan_report.cold+0xd/0x33 [ 32.325141][ T1722] ? kbd_event+0xe6b/0x3790 [ 32.329621][ T1722] kasan_report+0xe/0x20 [ 32.333853][ T1722] check_memory_region+0x128/0x190 [ 32.338944][ T1722] kbd_event+0xe6b/0x3790 [ 32.343250][ T1722] ? k_pad+0x720/0x720 [ 32.347310][ T1722] ? mark_held_locks+0xe0/0xe0 [ 32.352054][ T1722] ? k_pad+0x720/0x720 [ 32.356112][ T1722] input_to_handler+0x3b6/0x4c0 [ 32.360964][ T1722] input_pass_values.part.0+0x2e3/0x720 [ 32.366489][ T1722] ? hidinput_setkeycode+0x2b3/0x390 [ 32.371749][ T1722] input_set_keycode+0x290/0x320 [ 32.376748][ T1722] ? input_repeat_key+0x2c0/0x2c0 [ 32.381747][ T1722] ? __might_fault+0x192/0x1d0 [ 32.386486][ T1722] evdev_handle_set_keycode_v2+0xc4/0x120 [ 32.392181][ T1722] ? evdev_handle_set_keycode+0x170/0x170 [ 32.397887][ T1722] evdev_ioctl_handler+0xd49/0x19f0 [ 32.403081][ T1722] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 32.409126][ T1722] ? str_to_user+0x90/0x90 [ 32.413522][ T1722] ? find_held_lock+0x2d/0x110 [ 32.418278][ T1722] ? debug_check_no_obj_freed+0x20f/0x443 [ 32.423998][ T1722] ? lock_downgrade+0x6e0/0x6e0 [ 32.428833][ T1722] ? lock_acquire+0x127/0x320 [ 32.433492][ T1722] ? debug_check_no_obj_freed+0xc4/0x443 [ 32.439207][ T1722] ? evdev_ioctl_compat+0x30/0x30 [ 32.444210][ T1722] do_vfs_ioctl+0xd2d/0x1330 [ 32.448779][ T1722] ? putname+0xe1/0x120 [ 32.452922][ T1722] ? putname+0xe1/0x120 [ 32.457055][ T1722] ? ioctl_preallocate+0x200/0x200 [ 32.462145][ T1722] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 32.467523][ T1722] ? __kasan_slab_free+0x145/0x180 [ 32.472712][ T1722] ? kmem_cache_free+0x2cd/0x380 [ 32.477636][ T1722] ? putname+0xe1/0x120 [ 32.481946][ T1722] ? do_sys_open+0x2e7/0x580 [ 32.486507][ T1722] ? filp_open+0x70/0x70 [ 32.490725][ T1722] ksys_ioctl+0x9b/0xc0 [ 32.494867][ T1722] __x64_sys_ioctl+0x6f/0xb0 [ 32.499435][ T1722] ? lockdep_hardirqs_on+0x382/0x580 [ 32.504707][ T1722] do_syscall_64+0xb7/0x580 [ 32.509194][ T1722] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 32.515062][ T1722] RIP: 0033:0x444dc9 [ 32.518936][ T1722] Code: e8 bc af 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 1b d8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 32.538519][ T1722] RSP: 002b:00007fffaf4eda08 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 32.546906][ T1722] RAX: ffffffffffffffda RBX: 00000000004002e0 RCX: 0000000000444dc9 [ 32.554867][ T1722] RDX: 0000000020000080 RSI: 0000000040284504 RDI: 0000000000000004 [ 32.562820][ T1722] RBP: 00000000006cf018 R08: 090b000000008300 R09: 00000000004002e0 [ 32.570943][ T1722] R10: 000000000000000f R11: 0000000000000246 R12: 0000000000402a70 [ 32.578895][ T1722] R13: 0000000000402b00 R14: 0000000000000000 R15: 0000000000000000 [ 32.587625][ T1722] Kernel Offset: disabled [ 32.591956][ T1722] Rebooting in 86400 seconds..