[ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.230' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 52.316544] hid-generic 0000:0000:0000.0001: ignoring exceeding usage max [ 52.316547] hid-generic 0000:0000:0000.0002: ignoring exceeding usage max [ 52.322348] hid-generic 0000:0000:0000.0003: ignoring exceeding usage max [ 52.339476] hid-generic 0000:0000:0000.0001: hidraw0: HID v0.00 Device [syz1] on sz1 [ 52.346455] hid-generic 0000:0000:0000.0002: hidraw1: HID v0.00 Device [syz1] on sz1 executing program executing program executing program [ 52.378327] hid-generic 0000:0000:0000.0003: hidraw2: HID v0.00 Device [syz1] on sz1 [ 52.418472] hid-generic 0000:0000:0000.0006: ignoring exceeding usage max executing program executing program executing program executing program [ 52.419924] hid-generic 0000:0000:0000.0004: ignoring exceeding usage max [ 52.426457] hid-generic 0000:0000:0000.0005: ignoring exceeding usage max [ 52.453646] hid-generic 0000:0000:0000.0006: hidraw1: HID v0.00 Device [syz1] on sz1 executing program [ 52.473786] hid-generic 0000:0000:0000.0005: hidraw1: HID v0.00 Device [syz1] on sz1 [ 52.482342] hid-generic 0000:0000:0000.0007: ignoring exceeding usage max [ 52.495991] hid-generic 0000:0000:0000.0008: ignoring exceeding usage max [ 52.508613] hid-generic 0000:0000:0000.0004: hidraw2: HID v0.00 Device [syz1] on sz1 [ 52.516097] hid-generic 0000:0000:0000.0008: hidraw0: HID v0.00 Device [syz1] on sz1 executing program [ 52.542521] hid-generic 0000:0000:0000.000A: ignoring exceeding usage max [ 52.550218] hid-generic 0000:0000:0000.0007: hidraw1: HID v0.00 Device [syz1] on sz1 [ 52.561795] hid-generic 0000:0000:0000.0009: ignoring exceeding usage max [ 52.577024] hid-generic 0000:0000:0000.000A: hidraw3: HID v0.00 Device [syz1] on sz1 executing program [ 52.598869] hid-generic 0000:0000:0000.0009: hidraw1: HID v0.00 Device [syz1] on sz1 [ 52.600815] hid-generic 0000:0000:0000.000B: ignoring exceeding usage max [ 52.631175] hid-generic 0000:0000:0000.000C: ignoring exceeding usage max executing program executing program [ 52.641914] hid-generic 0000:0000:0000.000B: hidraw3: HID v0.00 Device [syz1] on sz1 [ 52.664004] hid-generic 0000:0000:0000.000D: ignoring exceeding usage max [ 52.670329] hid-generic 0000:0000:0000.000C: hidraw3: HID v0.00 Device [syz1] on sz1 [ 52.688154] hid-generic 0000:0000:0000.000D: hidraw2: HID v0.00 Device [syz1] on sz1 [ 52.717109] hid-generic 0000:0000:0000.000E: ignoring exceeding usage max [ 52.732477] hid-generic 0000:0000:0000.000E: hidraw1: HID v0.00 Device [syz1] on sz1 [ 52.744956] hid-generic 0000:0000:0000.000F: ignoring exceeding usage max executing program executing program executing program [ 52.762056] hid-generic 0000:0000:0000.0010: ignoring exceeding usage max [ 52.765846] hid-generic 0000:0000:0000.000F: hidraw0: HID v0.00 Device [syz1] on sz1 [ 52.783790] hid-generic 0000:0000:0000.0010: hidraw2: HID v0.00 Device [syz1] on sz1 executing program executing program [ 52.830140] hid-generic 0000:0000:0000.0011: ignoring exceeding usage max [ 52.831412] hid-generic 0000:0000:0000.0012: ignoring exceeding usage max [ 52.841694] hid-generic 0000:0000:0000.0011: hidraw0: HID v0.00 Device [syz1] on sz1 [ 52.862514] hid-generic 0000:0000:0000.0012: hidraw2: HID v0.00 Device [syz1] on sz1 [ 52.870946] hid-generic 0000:0000:0000.0013: ignoring exceeding usage max [ 52.891537] hid-generic 0000:0000:0000.0013: hidraw0: HID v0.00 Device [syz1] on sz1 [ 52.928732] hid-generic 0000:0000:0000.0014: ignoring exceeding usage max executing program executing program executing program [ 52.929987] hid-generic 0000:0000:0000.0015: ignoring exceeding usage max [ 52.940455] hid-generic 0000:0000:0000.0014: hidraw0: HID v0.00 Device [syz1] on sz1 [ 52.963917] hid-generic 0000:0000:0000.0016: ignoring exceeding usage max [ 52.973266] hid-generic 0000:0000:0000.0015: hidraw1: HID v0.00 Device [syz1] on sz1 [ 53.002170] hid-generic 0000:0000:0000.0016: hidraw1: HID v0.00 Device [syz1] on sz1 [ 53.002993] hid-generic 0000:0000:0000.0017: ignoring exceeding usage max [ 53.012019] hid-generic 0000:0000:0000.0018: ignoring exceeding usage max [ 53.040078] hid-generic 0000:0000:0000.0019: ignoring exceeding usage max [ 53.048442] hid-generic 0000:0000:0000.0017: hidraw2: HID v0.00 Device [syz1] on sz1 executing program [ 53.074036] hid-generic 0000:0000:0000.0018: hidraw3: HID v0.00 Device [syz1] on sz1 [ 53.078742] hid-generic 0000:0000:0000.0019: hidraw1: HID v0.00 Device [syz1] on sz1 executing program executing program executing program [ 53.149863] hid-generic 0000:0000:0000.001A: ignoring exceeding usage max [ 53.160888] hid-generic 0000:0000:0000.001B: ignoring exceeding usage max [ 53.168377] hid-generic 0000:0000:0000.001A: hidraw1: HID v0.00 Device [syz1] on sz1 [ 53.186797] hid-generic 0000:0000:0000.001B: hidraw2: HID v0.00 Device [syz1] on sz1 [ 53.190215] hid-generic 0000:0000:0000.001C: ignoring exceeding usage max executing program [ 53.222701] hid-generic 0000:0000:0000.001D: ignoring exceeding usage max [ 53.232778] hid-generic 0000:0000:0000.001C: hidraw0: HID v0.00 Device [syz1] on sz1 [ 53.239922] hid-generic 0000:0000:0000.001D: hidraw2: HID v0.00 Device [syz1] on sz1 executing program executing program executing program [ 53.272393] hid-generic 0000:0000:0000.001E: ignoring exceeding usage max [ 53.279871] hid-generic 0000:0000:0000.001F: ignoring exceeding usage max [ 53.290669] hid-generic 0000:0000:0000.001E: hidraw0: HID v0.00 Device [syz1] on sz1 [ 53.296535] hid-generic 0000:0000:0000.001F: hidraw2: HID v0.00 Device [syz1] on sz1 executing program executing program [ 53.335150] hid-generic 0000:0000:0000.0020: ignoring exceeding usage max [ 53.341278] hid-generic 0000:0000:0000.0021: ignoring exceeding usage max [ 53.349878] hid-generic 0000:0000:0000.0020: hidraw0: HID v0.00 Device [syz1] on sz1 [ 53.370026] hid-generic 0000:0000:0000.0021: hidraw2: HID v0.00 Device [syz1] on sz1 executing program executing program [ 53.393636] hid-generic 0000:0000:0000.0022: ignoring exceeding usage max [ 53.408261] hid-generic 0000:0000:0000.0022: hidraw0: HID v0.00 Device [syz1] on sz1 [ 53.430847] hid-generic 0000:0000:0000.0023: ignoring exceeding usage max executing program executing program [ 53.441728] hid-generic 0000:0000:0000.0024: ignoring exceeding usage max [ 53.449707] hid-generic 0000:0000:0000.0023: hidraw0: HID v0.00 Device [syz1] on sz1 [ 53.463456] hid-generic 0000:0000:0000.0024: hidraw1: HID v0.00 Device [syz1] on sz1 [ 53.480794] hid-generic 0000:0000:0000.0025: ignoring exceeding usage max executing program [ 53.482569] hid-generic 0000:0000:0000.0026: ignoring exceeding usage max [ 53.508303] hid-generic 0000:0000:0000.0026: hidraw1: HID v0.00 Device [syz1] on sz1 [ 53.516601] hid-generic 0000:0000:0000.0027: ignoring exceeding usage max [ 53.525278] hid-generic 0000:0000:0000.0028: ignoring exceeding usage max executing program executing program [ 53.539165] hid-generic 0000:0000:0000.0025: hidraw2: HID v0.00 Device [syz1] on sz1 [ 53.542119] hid-generic 0000:0000:0000.0029: ignoring exceeding usage max [ 53.548842] hid-generic 0000:0000:0000.0027: hidraw1: HID v0.00 Device [syz1] on sz1 [ 53.556882] hid-generic 0000:0000:0000.0028: hidraw3: HID v0.00 Device [syz1] on sz1 [ 53.590874] hid-generic 0000:0000:0000.0029: hidraw4: HID v0.00 Device [syz1] on sz1 executing program [ 53.623222] hid-generic 0000:0000:0000.002A: ignoring exceeding usage max [ 53.641306] hid-generic 0000:0000:0000.002B: ignoring exceeding usage max [ 53.651465] hid-generic 0000:0000:0000.002A: hidraw0: HID v0.00 Device [syz1] on sz1 [ 53.663962] hid-generic 0000:0000:0000.002B: hidraw1: HID v0.00 Device [syz1] on sz1 executing program executing program executing program executing program [ 53.730253] hid-generic 0000:0000:0000.002C: ignoring exceeding usage max [ 53.741286] hid-generic 0000:0000:0000.002D: ignoring exceeding usage max [ 53.748661] hid-generic 0000:0000:0000.002C: hidraw0: HID v0.00 Device [syz1] on sz1 [ 53.768030] hid-generic 0000:0000:0000.002D: hidraw1: HID v0.00 Device [syz1] on sz1 executing program executing program [ 53.787195] hid-generic 0000:0000:0000.002E: ignoring exceeding usage max [ 53.796246] hid-generic 0000:0000:0000.002F: ignoring exceeding usage max [ 53.804924] hid-generic 0000:0000:0000.002E: hidraw1: HID v0.00 Device [syz1] on sz1 [ 53.825388] hid-generic 0000:0000:0000.0030: ignoring exceeding usage max executing program [ 53.837084] hid-generic 0000:0000:0000.002F: hidraw0: HID v0.00 Device [syz1] on sz1 [ 53.842902] hid-generic 0000:0000:0000.0030: hidraw1: HID v0.00 Device [syz1] on sz1 [ 53.876845] hid-generic 0000:0000:0000.0031: ignoring exceeding usage max [ 53.889003] hid-generic 0000:0000:0000.0031: hidraw0: HID v0.00 Device [syz1] on sz1 [ 53.895589] hid-generic 0000:0000:0000.0032: ignoring exceeding usage max [ 53.905972] hid-generic 0000:0000:0000.0033: ignoring exceeding usage max [ 53.915012] INFO: trying to register non-static key. [ 53.920141] the code is fine but needs lockdep annotation. [ 53.925756] turning off the locking correctness validator. [ 53.931380] CPU: 1 PID: 6836 Comm: syz-executor069 Not tainted 4.14.175-syzkaller #0 [ 53.939258] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.941078] hid-generic 0000:0000:0000.0032: hidraw1: HID v0.00 Device [syz1] on sz1 [ 53.948740] Call Trace: [ 53.948756] dump_stack+0x13e/0x194 [ 53.948767] register_lock_class+0x2fe/0x1600 [ 53.948775] ? is_bpf_text_address+0x7c/0x120 [ 53.948781] ? check_noncircular+0x20/0x20 [ 53.948786] ? find_held_lock+0x2d/0x110 [ 53.948791] ? is_bpf_text_address+0x7c/0x120 [ 53.948796] __lock_acquire+0x147/0x4620 executing program [ 53.948805] ? lock_acquire+0x170/0x3f0 [ 53.987560] hid-generic 0000:0000:0000.0034: ignoring exceeding usage max [ 53.989884] ? lock_downgrade+0x6e0/0x6e0 [ 53.989894] ? trace_hardirqs_on+0x10/0x10 [ 54.003242] hid-generic 0000:0000:0000.0034: hidraw2: HID v0.00 Device [syz1] on sz1 [ 54.004926] ? unwind_get_return_address+0x5a/0xa0 [ 54.004934] ? __save_stack_trace+0x7b/0xd0 [ 54.004942] ? depot_save_stack+0x10d/0x401 [ 54.004951] ? __lock_acquire+0x5f7/0x4620 [ 54.004959] lock_acquire+0x170/0x3f0 [ 54.040033] ? __wake_up_common_lock+0x9d/0x140 [ 54.044689] _raw_spin_lock_irqsave+0x8c/0xbf [ 54.049169] ? __wake_up_common_lock+0x9d/0x140 [ 54.053828] __wake_up_common_lock+0x9d/0x140 [ 54.058305] ? __wake_up_common+0x5d0/0x5d0 [ 54.062607] ? locks_remove_file+0x2d3/0x420 [ 54.066996] ? uhid_dev_destroy+0x100/0x100 [ 54.071306] uhid_dev_destroy+0x62/0x100 [ 54.075368] uhid_char_release+0x4c/0xa0 [ 54.079422] __fput+0x25f/0x790 [ 54.082693] task_work_run+0x113/0x190 [ 54.086560] do_exit+0x9f2/0x2b00 [ 54.089991] ? futex_lock_pi_atomic+0x181/0x220 [ 54.094637] ? mm_update_next_owner+0x5b0/0x5b0 [ 54.099289] ? get_signal+0x31c/0x1ca0 [ 54.103157] ? lock_downgrade+0x6e0/0x6e0 [ 54.107282] do_group_exit+0x100/0x310 [ 54.111189] get_signal+0x385/0x1ca0 [ 54.114899] do_signal+0x7c/0x1690 [ 54.118423] ? fsnotify+0x897/0x1110 [ 54.122252] ? __vfs_write+0xec/0x630 [ 54.126042] ? uhid_hid_stop+0x80/0x80 [ 54.129980] ? setup_sigcontext+0x820/0x820 [ 54.134305] ? __fsnotify_update_child_dentry_flags.part.0+0x2e0/0x2e0 [ 54.140969] ? fsnotify+0x1110/0x1110 [ 54.144754] ? security_file_permission+0x82/0x1e0 [ 54.149663] ? SyS_futex+0x1e8/0x2c0 [ 54.153354] ? SyS_futex+0x1f2/0x2c0 [ 54.157049] ? fput+0xb/0x140 [ 54.160133] ? exit_to_usermode_loop+0x41/0x220 [ 54.164796] exit_to_usermode_loop+0x159/0x220 [ 54.169448] do_syscall_64+0x4a3/0x640 [ 54.173340] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 54.178507] RIP: 0033:0x446819 [ 54.181686] RSP: 002b:00007f2d0116dd98 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 54.189382] RAX: fffffffffffffe00 RBX: 00000000006dcc28 RCX: 0000000000446819 [ 54.196700] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dcc28 [ 54.204094] RBP: 00000000006dcc20 R08: 0000000000000000 R09: 0000000000000000 [ 54.211356] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dcc2c [ 54.218619] R13: 0ceb5a0fd7bfa14e R14: 0000000000000000 R15: 000000000000db5e [ 54.225907] kasan: CONFIG_KASAN_INLINE enabled [ 54.230489] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 54.237925] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 54.244210] Modules linked in: [ 54.247464] CPU: 1 PID: 6836 Comm: syz-executor069 Not tainted 4.14.175-syzkaller #0 [ 54.255326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.264681] task: ffff88808f30e600 task.stack: ffff888090c10000 [ 54.270731] RIP: 0010:__wake_up_common+0x9e/0x5d0 [ 54.275556] RSP: 0018:ffff888090c178e8 EFLAGS: 00010046 [ 54.280911] RAX: dffffc0000000000 RBX: ffff88809251d0c8 RCX: 0000000000000000 [ 54.288171] RDX: 0000000000000001 RSI: 0000000000000001 RDI: 0000000000000000 [ 54.296393] RBP: 0000000000000001 R08: ffffffffffffffe8 R09: ffff888090c17988 [ 54.303657] R10: fffffbfff14a8cd5 R11: ffff88808f30e600 R12: 0000000000000001 [ 54.310910] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 54.318306] FS: 0000000000000000(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 [ 54.326520] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.332514] CR2: 00000000004cdd10 CR3: 0000000007c6a000 CR4: 00000000001406e0 [ 54.339777] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.347294] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.354551] Call Trace: [ 54.357153] __wake_up_common_lock+0xba/0x140 [ 54.361675] ? __wake_up_common+0x5d0/0x5d0 [ 54.365985] ? locks_remove_file+0x2d3/0x420 [ 54.370393] ? uhid_dev_destroy+0x100/0x100 [ 54.374711] uhid_dev_destroy+0x62/0x100 [ 54.378759] uhid_char_release+0x4c/0xa0 [ 54.382807] __fput+0x25f/0x790 [ 54.386077] task_work_run+0x113/0x190 [ 54.389948] do_exit+0x9f2/0x2b00 [ 54.393403] ? futex_lock_pi_atomic+0x181/0x220 [ 54.398077] ? mm_update_next_owner+0x5b0/0x5b0 [ 54.402750] ? get_signal+0x31c/0x1ca0 [ 54.406799] ? lock_downgrade+0x6e0/0x6e0 [ 54.410928] do_group_exit+0x100/0x310 [ 54.414825] get_signal+0x385/0x1ca0 [ 54.418658] do_signal+0x7c/0x1690 [ 54.422202] ? fsnotify+0x897/0x1110 [ 54.425915] ? __vfs_write+0xec/0x630 [ 54.429697] ? uhid_hid_stop+0x80/0x80 [ 54.433579] ? setup_sigcontext+0x820/0x820 [ 54.437887] ? __fsnotify_update_child_dentry_flags.part.0+0x2e0/0x2e0 [ 54.444536] ? fsnotify+0x1110/0x1110 [ 54.448328] ? security_file_permission+0x82/0x1e0 [ 54.453255] ? SyS_futex+0x1e8/0x2c0 [ 54.457061] ? SyS_futex+0x1f2/0x2c0 [ 54.460760] ? fput+0xb/0x140 [ 54.463857] ? exit_to_usermode_loop+0x41/0x220 [ 54.468513] exit_to_usermode_loop+0x159/0x220 [ 54.473086] do_syscall_64+0x4a3/0x640 [ 54.476959] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 54.482152] RIP: 0033:0x446819 [ 54.485337] RSP: 002b:00007f2d0116dd98 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 54.493186] RAX: fffffffffffffe00 RBX: 00000000006dcc28 RCX: 0000000000446819 [ 54.500634] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dcc28 [ 54.508076] RBP: 00000000006dcc20 R08: 0000000000000000 R09: 0000000000000000 [ 54.515351] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dcc2c [ 54.522628] R13: 0ceb5a0fd7bfa14e R14: 0000000000000000 R15: 000000000000db5e [ 54.529900] Code: bc 04 00 00 4c 8b 43 38 49 83 e8 18 49 8d 78 18 48 39 3c 24 0f 84 6a 02 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 <80> 3c 01 00 0f 85 a1 04 00 00 49 8b 40 18 89 54 24 10 31 db 48 [ 54.549002] RIP: __wake_up_common+0x9e/0x5d0 RSP: ffff888090c178e8 [ 54.555311] ---[ end trace fb057cf4f69a96e2 ]--- [ 54.560061] Kernel panic - not syncing: Fatal exception [ 54.567083] Kernel Offset: disabled [ 54.570740] Rebooting in 86400 seconds..