Warning: Permanently added '10.128.0.171' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 28.462080][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 28.702038][ T12] usb 1-1: Using ep0 maxpacket: 16 [ 28.822154][ T12] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 28.833142][ T12] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has wMaxPacketSize 0, skipping [ 28.843062][ T12] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 28.855862][ T12] usb 1-1: New USB device found, idVendor=045e, idProduct=07da, bcdDevice= 0.00 [ 28.864922][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 28.874104][ T12] usb 1-1: config 0 descriptor?? [ 28.892246][ T1717] raw: raw_ioctl_ep_enable: fail, usb_ep_enable returned -22 [ 29.202060][ T12] usbhid 1-1:0.0: can't add hid device: -71 [ 29.208249][ T12] usbhid: probe of 1-1:0.0 failed with error -71 [ 29.217862][ T12] usb 1-1: USB disconnect, device number 2 [ 29.672048][ T12] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 29.912039][ T12] usb 1-1: Using ep0 maxpacket: 16 [ 30.032144][ T12] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 30.043064][ T12] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has wMaxPacketSize 0, skipping [ 30.052983][ T12] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 30.065782][ T12] usb 1-1: New USB device found, idVendor=045e, idProduct=07da, bcdDevice= 0.00 [ 30.074825][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 30.083525][ T12] usb 1-1: config 0 descriptor?? [ 30.102080][ T1717] raw: raw_ioctl_ep_enable: fail, usb_ep_enable returned -22 [ 30.564125][ T12] microsoft 0003:045E:07DA.0001: unknown main item tag 0x0 [ 30.574692][ T12] input: HID 045e:07da as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/0003:045E:07DA.0001/input/input5 [ 30.590136][ T12] microsoft 0003:045E:07DA.0001: input,hidraw0: USB HID v0.00 Device [HID 045e:07da] on usb-dummy_hcd.0-1/input0 [ 30.832347][ T1717] ================================================================== [ 30.840507][ T1717] BUG: KASAN: slab-out-of-bounds in hidinput_setkeycode+0x16e/0x390 [ 30.848502][ T1717] Write of size 8 at addr ffff8881cf9649e8 by task syz-executor105/1717 [ 30.856794][ T1717] [ 30.859102][ T1717] CPU: 1 PID: 1717 Comm: syz-executor105 Not tainted 5.4.0-syzkaller #0 [ 30.867396][ T1717] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.877421][ T1717] Call Trace: [ 30.880687][ T1717] dump_stack+0xef/0x16e [ 30.884916][ T1717] ? hidinput_setkeycode+0x16e/0x390 [ 30.890175][ T1717] ? hidinput_setkeycode+0x16e/0x390 [ 30.895486][ T1717] print_address_description.constprop.0+0x36/0x50 [ 30.901974][ T1717] ? hidinput_setkeycode+0x16e/0x390 [ 30.907275][ T1717] ? hidinput_setkeycode+0x16e/0x390 [ 30.912566][ T1717] __kasan_report.cold+0x1a/0x33 [ 30.917508][ T1717] ? hidinput_setkeycode+0x16e/0x390 [ 30.922765][ T1717] kasan_report+0xe/0x20 [ 30.927015][ T1717] check_memory_region+0x128/0x190 [ 30.932134][ T1717] hidinput_setkeycode+0x16e/0x390 [ 30.937225][ T1717] input_set_keycode+0x104/0x320 [ 30.942153][ T1717] ? __might_fault+0xef/0x1d0 [ 30.947069][ T1717] ? input_repeat_key+0x2c0/0x2c0 [ 30.952070][ T1717] ? __might_fault+0x190/0x1d0 [ 30.956813][ T1717] evdev_handle_set_keycode_v2+0xc4/0x120 [ 30.962508][ T1717] ? evdev_handle_set_keycode+0x170/0x170 [ 30.968201][ T1717] evdev_ioctl_handler+0xd49/0x19f0 [ 30.973374][ T1717] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 30.979410][ T1717] ? str_to_user+0x90/0x90 [ 30.983800][ T1717] ? find_held_lock+0x2d/0x110 [ 30.988536][ T1717] ? debug_check_no_obj_freed+0x20f/0x443 [ 30.994229][ T1717] ? lock_downgrade+0x6e0/0x6e0 [ 30.999051][ T1717] ? lock_acquire+0x127/0x320 [ 31.003700][ T1717] ? debug_check_no_obj_freed+0xc4/0x443 [ 31.009306][ T1717] ? evdev_ioctl_compat+0x30/0x30 [ 31.014306][ T1717] do_vfs_ioctl+0xd2d/0x1330 [ 31.018869][ T1717] ? putname+0xe1/0x120 [ 31.022994][ T1717] ? putname+0xe1/0x120 [ 31.027122][ T1717] ? compat_ioctl_preallocate+0x200/0x200 [ 31.032815][ T1717] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 31.038071][ T1717] ? __kasan_slab_free+0x145/0x180 [ 31.043240][ T1717] ? kmem_cache_free+0x2e1/0x370 [ 31.048148][ T1717] ? putname+0xe1/0x120 [ 31.052278][ T1717] ? do_sys_open+0x2e7/0x580 [ 31.056838][ T1717] ? filp_open+0x70/0x70 [ 31.061051][ T1717] ksys_ioctl+0x9b/0xc0 [ 31.065182][ T1717] __x64_sys_ioctl+0x6f/0xb0 [ 31.069744][ T1717] ? lockdep_hardirqs_on+0x382/0x580 [ 31.075011][ T1717] do_syscall_64+0xb7/0x5b0 [ 31.079499][ T1717] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 31.085389][ T1717] RIP: 0033:0x446d59 [ 31.089259][ T1717] Code: e8 2c ae 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 [ 31.108833][ T1717] RSP: 002b:00007ffd75eec118 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 31.117216][ T1717] RAX: ffffffffffffffda RBX: 00007ffd75eec120 RCX: 0000000000446d59 [ 31.125172][ T1717] RDX: 0000000020000080 RSI: 0000000040284504 RDI: 0000000000000005 [ 31.133212][ T1717] RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000004029f0 [ 31.141158][ T1717] R10: 00007ffd75eebc70 R11: 0000000000000246 R12: 0000000000404a00 [ 31.149101][ T1717] R13: 0000000000404a90 R14: 0000000000000000 R15: 0000000000000000 [ 31.157145][ T1717] [ 31.159447][ T1717] Allocated by task 12: [ 31.163576][ T1717] save_stack+0x1b/0x80 [ 31.167717][ T1717] __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 31.173340][ T1717] input_allocate_device+0x3e/0x260 [ 31.178509][ T1717] hidinput_connect+0x3cab/0xdb90 [ 31.183505][ T1717] hid_connect+0x965/0xbb0 [ 31.187891][ T1717] hid_hw_start+0xa2/0x130 [ 31.192277][ T1717] ms_probe+0x159/0x4d0 [ 31.196407][ T1717] hid_device_probe+0x2be/0x3f0 [ 31.201230][ T1717] really_probe+0x281/0x6d0 [ 31.205716][ T1717] driver_probe_device+0x104/0x210 [ 31.210797][ T1717] __device_attach_driver+0x1c2/0x220 [ 31.216137][ T1717] bus_for_each_drv+0x162/0x1e0 [ 31.220960][ T1717] __device_attach+0x217/0x360 [ 31.225697][ T1717] bus_probe_device+0x1e4/0x290 [ 31.230532][ T1717] device_add+0x1480/0x1c20 [ 31.235068][ T1717] hid_add_device+0x33c/0x9a0 [ 31.239754][ T1717] usbhid_probe+0xa81/0xfa0 [ 31.244332][ T1717] usb_probe_interface+0x305/0x7a0 [ 31.249428][ T1717] really_probe+0x281/0x6d0 [ 31.253910][ T1717] driver_probe_device+0x104/0x210 [ 31.258996][ T1717] __device_attach_driver+0x1c2/0x220 [ 31.264344][ T1717] bus_for_each_drv+0x162/0x1e0 [ 31.269179][ T1717] __device_attach+0x217/0x360 [ 31.273917][ T1717] bus_probe_device+0x1e4/0x290 [ 31.278740][ T1717] device_add+0x1480/0x1c20 [ 31.283221][ T1717] usb_set_configuration+0xe67/0x1740 [ 31.288564][ T1717] generic_probe+0x9d/0xd5 [ 31.292953][ T1717] usb_probe_device+0x99/0x100 [ 31.297687][ T1717] really_probe+0x281/0x6d0 [ 31.302161][ T1717] driver_probe_device+0x104/0x210 [ 31.307258][ T1717] __device_attach_driver+0x1c2/0x220 [ 31.312620][ T1717] bus_for_each_drv+0x162/0x1e0 [ 31.317456][ T1717] __device_attach+0x217/0x360 [ 31.322195][ T1717] bus_probe_device+0x1e4/0x290 [ 31.327059][ T1717] device_add+0x1480/0x1c20 [ 31.331544][ T1717] usb_new_device.cold+0x6a4/0xe79 [ 31.336647][ T1717] hub_event+0x1e59/0x3860 [ 31.341093][ T1717] process_one_work+0x92b/0x1530 [ 31.346019][ T1717] worker_thread+0x7ab/0xe20 [ 31.350585][ T1717] kthread+0x318/0x420 [ 31.354632][ T1717] ret_from_fork+0x24/0x30 [ 31.359663][ T1717] [ 31.361971][ T1717] Freed by task 0: [ 31.365663][ T1717] (stack is not available) [ 31.370050][ T1717] [ 31.372354][ T1717] The buggy address belongs to the object at ffff8881cf964000 [ 31.372354][ T1717] which belongs to the cache kmalloc-2k of size 2048 [ 31.386379][ T1717] The buggy address is located 488 bytes to the right of [ 31.386379][ T1717] 2048-byte region [ffff8881cf964000, ffff8881cf964800) [ 31.400269][ T1717] The buggy address belongs to the page: [ 31.405877][ T1717] page:ffffea00073e5800 refcount:1 mapcount:0 mapping:ffff8881da40c000 index:0x0 compound_mapcount: 0 [ 31.417300][ T1717] raw: 0200000000010200 dead000000000100 dead000000000122 ffff8881da40c000 [ 31.425859][ T1717] raw: 0000000000000000 0000000000080008 00000001ffffffff 0000000000000000 [ 31.434412][ T1717] page dumped because: kasan: bad access detected [ 31.440791][ T1717] [ 31.443090][ T1717] Memory state around the buggy address: [ 31.448693][ T1717] ffff8881cf964880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 31.456726][ T1717] ffff8881cf964900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 31.464756][ T1717] >ffff8881cf964980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 31.472786][ T1717] ^ [ 31.480211][ T1717] ffff8881cf964a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 31.488247][ T1717] ffff8881cf964a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 31.496277][ T1717] ================================================================== [ 31.504307][ T1717] Disabling lock debugging due to kernel taint [ 31.510428][ T1717] Kernel panic - not syncing: panic_on_warn set ... [ 31.516990][ T1717] CPU: 1 PID: 1717 Comm: syz-executor105 Tainted: G B 5.4.0-syzkaller #0 [ 31.526674][ T1717] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.536704][ T1717] Call Trace: [ 31.539972][ T1717] dump_stack+0xef/0x16e [ 31.544208][ T1717] panic+0x2aa/0x6e1 [ 31.548117][ T1717] ? add_taint.cold+0x16/0x16 [ 31.552814][ T1717] ? print_shadow_for_address+0xb8/0x114 [ 31.558448][ T1717] ? trace_hardirqs_off+0x50/0x1d0 [ 31.563538][ T1717] ? hidinput_setkeycode+0x16e/0x390 [ 31.569068][ T1717] end_report+0x43/0x49 [ 31.573662][ T1717] ? hidinput_setkeycode+0x16e/0x390 [ 31.578943][ T1717] __kasan_report.cold+0xd/0x33 [ 31.583765][ T1717] ? hidinput_setkeycode+0x16e/0x390 [ 31.589022][ T1717] kasan_report+0xe/0x20 [ 31.593238][ T1717] check_memory_region+0x128/0x190 [ 31.598323][ T1717] hidinput_setkeycode+0x16e/0x390 [ 31.603406][ T1717] input_set_keycode+0x104/0x320 [ 31.608330][ T1717] ? __might_fault+0xef/0x1d0 [ 31.613000][ T1717] ? input_repeat_key+0x2c0/0x2c0 [ 31.617996][ T1717] ? __might_fault+0x190/0x1d0 [ 31.622742][ T1717] evdev_handle_set_keycode_v2+0xc4/0x120 [ 31.628434][ T1717] ? evdev_handle_set_keycode+0x170/0x170 [ 31.634127][ T1717] evdev_ioctl_handler+0xd49/0x19f0 [ 31.639301][ T1717] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 31.645339][ T1717] ? str_to_user+0x90/0x90 [ 31.649728][ T1717] ? find_held_lock+0x2d/0x110 [ 31.654463][ T1717] ? debug_check_no_obj_freed+0x20f/0x443 [ 31.660162][ T1717] ? lock_downgrade+0x6e0/0x6e0 [ 31.664991][ T1717] ? lock_acquire+0x127/0x320 [ 31.669724][ T1717] ? debug_check_no_obj_freed+0xc4/0x443 [ 31.675337][ T1717] ? evdev_ioctl_compat+0x30/0x30 [ 31.680334][ T1717] do_vfs_ioctl+0xd2d/0x1330 [ 31.684905][ T1717] ? putname+0xe1/0x120 [ 31.689034][ T1717] ? putname+0xe1/0x120 [ 31.693162][ T1717] ? compat_ioctl_preallocate+0x200/0x200 [ 31.698854][ T1717] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 31.704110][ T1717] ? __kasan_slab_free+0x145/0x180 [ 31.709192][ T1717] ? kmem_cache_free+0x2e1/0x370 [ 31.714101][ T1717] ? putname+0xe1/0x120 [ 31.718228][ T1717] ? do_sys_open+0x2e7/0x580 [ 31.722787][ T1717] ? filp_open+0x70/0x70 [ 31.727013][ T1717] ksys_ioctl+0x9b/0xc0 [ 31.731142][ T1717] __x64_sys_ioctl+0x6f/0xb0 [ 31.735705][ T1717] ? lockdep_hardirqs_on+0x382/0x580 [ 31.741028][ T1717] do_syscall_64+0xb7/0x5b0 [ 31.745524][ T1717] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 31.751404][ T1717] RIP: 0033:0x446d59 [ 31.755282][ T1717] Code: e8 2c ae 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 [ 31.774970][ T1717] RSP: 002b:00007ffd75eec118 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 31.783359][ T1717] RAX: ffffffffffffffda RBX: 00007ffd75eec120 RCX: 0000000000446d59 [ 31.791304][ T1717] RDX: 0000000020000080 RSI: 0000000040284504 RDI: 0000000000000005 [ 31.799283][ T1717] RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000004029f0 [ 31.807349][ T1717] R10: 00007ffd75eebc70 R11: 0000000000000246 R12: 0000000000404a00 [ 31.815303][ T1717] R13: 0000000000404a90 R14: 0000000000000000 R15: 0000000000000000 [ 31.823947][ T1717] Kernel Offset: disabled [ 31.828252][ T1717] Rebooting in 86400 seconds..