[ OK ] Started Daily apt upgrade and clean activities. [ OK ] Reached target Timers. [ OK ] Started Regular background program processing daemon. [ OK ] Started Permit User Sessions. [ OK ] Found device /dev/ttyS0. [ OK ] Started getty on tty2-tty6 if dbus and logind are not available. [ OK ] Started System Logging Service. [ 120.144311][ T8148] sshd (8148) used greatest stack depth: 4128 bytes left [ **] A start job is running for OpenBSD …Shell server (1min 27s / 2min 56s) [ OK ] Started OpenBSD Secure Shell server. [ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.193' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 145.993804][ T3220] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 146.354087][ T3220] usb 1-1: config 0 interface 0 altsetting 64 endpoint 0x8A has invalid wMaxPacketSize 0 [ 146.364067][ T3220] usb 1-1: config 0 interface 0 altsetting 64 bulk endpoint 0x8A has invalid maxpacket 0 [ 146.374172][ T3220] usb 1-1: config 0 interface 0 has no altsetting 0 [ 146.380954][ T3220] usb 1-1: New USB device found, idVendor=0681, idProduct=0005, bcdDevice=90.07 [ 146.390501][ T3220] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 146.401261][ T3220] usb 1-1: config 0 descriptor?? [ 146.463273][ T3220] idmouse 1-1:0.0: Siemens ID Mouse FingerTIP Sensor Driver now attached [ 147.734030][ T8476] ===================================================== [ 147.741026][ T8476] BUG: KMSAN: uninit-value in idmouse_open+0x12da/0x1780 [ 147.748066][ T8476] CPU: 0 PID: 8476 Comm: syz-executor388 Not tainted 5.8.0-rc5-syzkaller #0 [ 147.756739][ T8476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 147.766797][ T8476] Call Trace: [ 147.770109][ T8476] dump_stack+0x21c/0x280 [ 147.774468][ T8476] kmsan_report+0xf7/0x1e0 [ 147.778913][ T8476] __msan_warning+0x58/0xa0 [ 147.783439][ T8476] idmouse_open+0x12da/0x1780 [ 147.788164][ T8476] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 147.794000][ T8476] ? idmouse_read+0x240/0x240 [ 147.798690][ T8476] usb_open+0x27f/0x400 [ 147.802879][ T8476] ? usb_deregister_dev+0x3e0/0x3e0 [ 147.808099][ T8476] chrdev_open+0xc7c/0xe10 [ 147.812554][ T8476] do_dentry_open+0x12bc/0x1d30 [ 147.817438][ T8476] ? cd_forget+0x320/0x320 [ 147.821888][ T8476] vfs_open+0xaf/0xe0 [ 147.825897][ T8476] path_openat+0x542b/0x6ba0 [ 147.830537][ T8476] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 147.836368][ T8476] ? kmsan_get_metadata+0x116/0x180 [ 147.841622][ T8476] do_filp_open+0x2b8/0x710 [ 147.846189][ T8476] do_sys_openat2+0xa6a/0x1020 [ 147.851007][ T8476] __se_sys_open+0x270/0x2d0 [ 147.855634][ T8476] __x64_sys_open+0x4a/0x70 [ 147.860164][ T8476] do_syscall_64+0xad/0x160 [ 147.864688][ T8476] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 147.870616][ T8476] RIP: 0033:0x401470 [ 147.874530][ T8476] Code: Bad RIP value. [ 147.878606][ T8476] RSP: 002b:00007fff4c7c1b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 147.887044][ T8476] RAX: ffffffffffffffda RBX: 00000000004002e0 RCX: 0000000000401470 [ 147.895014][ T8476] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00007fff4c7c1b80 [ 147.903002][ T8476] RBP: 00000000006cf018 R08: 0000000000000000 R09: 000000000000000f [ 147.911477][ T8476] R10: 0000000000000064 R11: 0000000000000246 R12: 00000000004023d0 [ 147.919431][ T8476] R13: 0000000000402460 R14: 0000000000000000 R15: 0000000000000000 [ 147.927397][ T8476] [ 147.929720][ T8476] Uninit was created at: [ 147.933954][ T8476] kmsan_save_stack_with_flags+0x3c/0x90 [ 147.939588][ T8476] kmsan_alloc_page+0xc5/0x1a0 [ 147.944337][ T8476] __alloc_pages_nodemask+0xdf0/0x1030 [ 147.949821][ T8476] alloc_pages_current+0x685/0xb50 [ 147.954927][ T8476] kmalloc_order_trace+0x92/0x3d0 [ 147.959941][ T8476] idmouse_probe+0x48c/0xa60 [ 147.964518][ T8476] usb_probe_interface+0xece/0x1550 [ 147.969702][ T8476] really_probe+0xf20/0x20b0 [ 147.974276][ T8476] driver_probe_device+0x293/0x390 [ 147.979370][ T8476] __device_attach_driver+0x63f/0x830 [ 147.984731][ T8476] bus_for_each_drv+0x2ca/0x3f0 [ 147.989583][ T8476] __device_attach+0x4e2/0x7f0 [ 147.994346][ T8476] device_initial_probe+0x4a/0x60 [ 147.999363][ T8476] bus_probe_device+0x177/0x3d0 [ 148.004212][ T8476] device_add+0x3b0e/0x40d0 [ 148.008707][ T8476] usb_set_configuration+0x380f/0x3f10 [ 148.014152][ T8476] usb_generic_driver_probe+0x138/0x300 [ 148.019769][ T8476] usb_probe_device+0x311/0x490 [ 148.024605][ T8476] really_probe+0xf20/0x20b0 [ 148.029180][ T8476] driver_probe_device+0x293/0x390 [ 148.034280][ T8476] __device_attach_driver+0x63f/0x830 [ 148.039634][ T8476] bus_for_each_drv+0x2ca/0x3f0 [ 148.044471][ T8476] __device_attach+0x4e2/0x7f0 [ 148.049449][ T8476] device_initial_probe+0x4a/0x60 [ 148.054476][ T8476] bus_probe_device+0x177/0x3d0 [ 148.059324][ T8476] device_add+0x3b0e/0x40d0 [ 148.063833][ T8476] usb_new_device+0x1bd4/0x2a30 [ 148.068704][ T8476] hub_event+0x5e7b/0x8a70 [ 148.073116][ T8476] process_one_work+0x1688/0x2140 [ 148.078130][ T8476] worker_thread+0x10bc/0x2730 [ 148.082921][ T8476] kthread+0x551/0x590 [ 148.086979][ T8476] ret_from_fork+0x1f/0x30 [ 148.091370][ T8476] ===================================================== [ 148.098280][ T8476] Disabling lock debugging due to kernel taint [ 148.104415][ T8476] Kernel panic - not syncing: panic_on_warn set ... [ 148.110992][ T8476] CPU: 0 PID: 8476 Comm: syz-executor388 Tainted: G B 5.8.0-rc5-syzkaller #0 [ 148.121063][ T8476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 148.131118][ T8476] Call Trace: [ 148.134405][ T8476] dump_stack+0x21c/0x280 [ 148.138743][ T8476] panic+0x4d7/0xef7 [ 148.142656][ T8476] ? add_taint+0x17c/0x210 [ 148.147074][ T8476] kmsan_report+0x1df/0x1e0 [ 148.151586][ T8476] __msan_warning+0x58/0xa0 [ 148.156620][ T8476] idmouse_open+0x12da/0x1780 [ 148.161306][ T8476] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 148.167113][ T8476] ? idmouse_read+0x240/0x240 [ 148.171781][ T8476] usb_open+0x27f/0x400 [ 148.175931][ T8476] ? usb_deregister_dev+0x3e0/0x3e0 [ 148.181142][ T8476] chrdev_open+0xc7c/0xe10 [ 148.185564][ T8476] do_dentry_open+0x12bc/0x1d30 [ 148.190419][ T8476] ? cd_forget+0x320/0x320 [ 148.194837][ T8476] vfs_open+0xaf/0xe0 [ 148.198809][ T8476] path_openat+0x542b/0x6ba0 [ 148.203423][ T8476] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 148.209237][ T8476] ? kmsan_get_metadata+0x116/0x180 [ 148.214450][ T8476] do_filp_open+0x2b8/0x710 [ 148.219036][ T8476] do_sys_openat2+0xa6a/0x1020 [ 148.223838][ T8476] __se_sys_open+0x270/0x2d0 [ 148.228454][ T8476] __x64_sys_open+0x4a/0x70 [ 148.232968][ T8476] do_syscall_64+0xad/0x160 [ 148.237480][ T8476] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 148.243461][ T8476] RIP: 0033:0x401470 [ 148.247358][ T8476] Code: Bad RIP value. [ 148.251427][ T8476] RSP: 002b:00007fff4c7c1b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 148.260028][ T8476] RAX: ffffffffffffffda RBX: 00000000004002e0 RCX: 0000000000401470 [ 148.268264][ T8476] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00007fff4c7c1b80 [ 148.276230][ T8476] RBP: 00000000006cf018 R08: 0000000000000000 R09: 000000000000000f [ 148.284215][ T8476] R10: 0000000000000064 R11: 0000000000000246 R12: 00000000004023d0 [ 148.292177][ T8476] R13: 0000000000402460 R14: 0000000000000000 R15: 0000000000000000 [ 148.301301][ T8476] Kernel Offset: disabled [ 148.305635][ T8476] Rebooting in 86400 seconds..