[ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty1. [ 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. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.235' (ECDSA) to the list of known hosts. executing program executing program executing program syzkaller login: [ 59.634455][ T5] hid-generic 1000:0000:0000.0001: hidraw0: HID v0.00 Device [syz0] on syz0 [ 59.669417][ T47] hid-generic 1000:0000:0000.0002: hidraw0: HID v0.00 Device [syz0] on syz0 executing program [ 59.711801][ T5] hid-generic 1000:0000:0000.0003: hidraw0: HID v0.00 Device [syz0] on syz0 [ 59.738949][ T5] hid-generic 1000:0000:0000.0004: hidraw0: HID v0.00 Device [syz0] on syz0 [ 59.756657][ T6865] INFO: trying to register non-static key. [ 59.762480][ T6865] the code is fine but needs lockdep annotation. [ 59.768782][ T6865] turning off the locking correctness validator. [ 59.775091][ T6865] CPU: 0 PID: 6865 Comm: syz-executor591 Not tainted 5.9.0-rc2-syzkaller #0 [ 59.783734][ T6865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.793786][ T6865] Call Trace: [ 59.797066][ T6865] dump_stack+0x18f/0x20d [ 59.801377][ T6865] register_lock_class+0x157d/0x1630 [ 59.806642][ T6865] ? unwind_next_frame+0xe3b/0x1f90 [ 59.811887][ T6865] ? is_dynamic_key+0x1a0/0x1a0 [ 59.816717][ T6865] __lock_acquire+0xf9/0x5640 [ 59.821379][ T6865] ? unwind_get_return_address+0x51/0x90 [ 59.826990][ T6865] ? profile_setup.cold+0xc1/0xc1 [ 59.831990][ T6865] ? arch_stack_walk+0x97/0xf0 [ 59.836761][ T6865] ? lockdep_hardirqs_on_prepare+0x530/0x530 [ 59.842727][ T6865] ? exit_fs+0x123/0x170 [ 59.846945][ T6865] ? stack_trace_save+0x8c/0xc0 [ 59.851774][ T6865] ? stack_trace_consume_entry+0x160/0x160 [ 59.857577][ T6865] lock_acquire+0x1f1/0xad0 [ 59.862061][ T6865] ? __wake_up_common_lock+0xb4/0x130 [ 59.867409][ T6865] ? lock_release+0x8e0/0x8e0 [ 59.872082][ T6865] ? lock_acquire+0x1f1/0xad0 [ 59.876735][ T6865] _raw_spin_lock_irqsave+0x8c/0xc0 [ 59.881916][ T6865] ? __wake_up_common_lock+0xb4/0x130 [ 59.887264][ T6865] __wake_up_common_lock+0xb4/0x130 [ 59.892437][ T6865] ? __wake_up_common+0x650/0x650 [ 59.897440][ T6865] ? fcntl_setlk+0xf60/0xf60 [ 59.902025][ T6865] ? lock_is_held_type+0xbb/0xf0 [ 59.906971][ T6865] uhid_char_release+0x9b/0x190 [ 59.911830][ T6865] __fput+0x285/0x920 [ 59.915806][ T6865] ? uhid_dev_create2+0x7c0/0x7c0 [ 59.920808][ T6865] task_work_run+0xdd/0x190 [ 59.925286][ T6865] do_exit+0xb7d/0x29f0 [ 59.929444][ T6865] ? mm_update_next_owner+0x7a0/0x7a0 [ 59.934817][ T6865] ? vmacache_update+0xce/0x140 [ 59.939661][ T6865] ? lock_is_held_type+0xbb/0xf0 [ 59.944574][ T6865] do_group_exit+0x125/0x310 [ 59.949153][ T6865] __ia32_sys_exit_group+0x3a/0x50 [ 59.954252][ T6865] __do_fast_syscall_32+0x57/0x80 [ 59.959264][ T6865] do_fast_syscall_32+0x2f/0x70 [ 59.964103][ T6865] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 59.970407][ T6865] RIP: 0023:0xf7efe549 [ 59.974494][ T6865] Code: Bad RIP value. [ 59.978596][ T6865] RSP: 002b:00000000ffb512cc EFLAGS: 00000296 ORIG_RAX: 00000000000000fc [ 59.987006][ T6865] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000080ee298 [ 59.994957][ T6865] RDX: 0000000000000000 RSI: 00000000080d7fdc RDI: 00000000080ee2a0 [ 60.002905][ T6865] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 [ 60.011026][ T6865] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 60.018974][ T6865] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 60.026969][ T6865] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 60.038659][ T6865] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 60.047047][ T6865] CPU: 0 PID: 6865 Comm: syz-executor591 Not tainted 5.9.0-rc2-syzkaller #0 [ 60.055690][ T6865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.065749][ T6865] RIP: 0010:__wake_up_common+0xdf/0x650 [ 60.071292][ T6865] Code: 05 00 00 4c 8b 43 40 49 83 e8 18 49 8d 78 18 48 3b 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 40 05 00 00 49 8b 40 18 89 54 24 10 31 db 48 bd [ 60.090876][ T6865] RSP: 0018:ffffc9000590fbb0 EFLAGS: 00010046 [ 60.096918][ T6865] RAX: dffffc0000000000 RBX: ffff888088e093f8 RCX: 0000000000000000 [ 60.104868][ T6865] RDX: 0000000000000001 RSI: 1ffffffff1564cdf RDI: 0000000000000000 [ 60.112818][ T6865] RBP: 0000000000000000 R08: ffffffffffffffe8 R09: ffffc9000590fc48 [ 60.120770][ T6865] R10: fffff52000b21f70 R11: 0000000036383654 R12: 0000000000000001 [ 60.128720][ T6865] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 60.136775][ T6865] FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 60.145686][ T6865] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 60.152248][ T6865] CR2: 00000000080d7fe0 CR3: 0000000009a8d000 CR4: 00000000001506f0 [ 60.160199][ T6865] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.168148][ T6865] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.176093][ T6865] Call Trace: [ 60.179382][ T6865] __wake_up_common_lock+0xd0/0x130 [ 60.184559][ T6865] ? __wake_up_common+0x650/0x650 [ 60.189560][ T6865] ? fcntl_setlk+0xf60/0xf60 [ 60.194128][ T6865] ? lock_is_held_type+0xbb/0xf0 [ 60.199046][ T6865] uhid_char_release+0x9b/0x190 [ 60.203877][ T6865] __fput+0x285/0x920 [ 60.207836][ T6865] ? uhid_dev_create2+0x7c0/0x7c0 [ 60.212846][ T6865] task_work_run+0xdd/0x190 [ 60.217327][ T6865] do_exit+0xb7d/0x29f0 [ 60.221463][ T6865] ? mm_update_next_owner+0x7a0/0x7a0 [ 60.226811][ T6865] ? vmacache_update+0xce/0x140 [ 60.231651][ T6865] ? lock_is_held_type+0xbb/0xf0 [ 60.236569][ T6865] do_group_exit+0x125/0x310 [ 60.241317][ T6865] __ia32_sys_exit_group+0x3a/0x50 [ 60.246421][ T6865] __do_fast_syscall_32+0x57/0x80 [ 60.251433][ T6865] do_fast_syscall_32+0x2f/0x70 [ 60.256288][ T6865] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 60.262725][ T6865] RIP: 0023:0xf7efe549 [ 60.266769][ T6865] Code: Bad RIP value. [ 60.270812][ T6865] RSP: 002b:00000000ffb512cc EFLAGS: 00000296 ORIG_RAX: 00000000000000fc [ 60.279224][ T6865] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000080ee298 [ 60.287294][ T6865] RDX: 0000000000000000 RSI: 00000000080d7fdc RDI: 00000000080ee2a0 [ 60.295325][ T6865] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 [ 60.303369][ T6865] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 60.311440][ T6865] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 60.319395][ T6865] Modules linked in: [ 60.323398][ T6865] ---[ end trace e69dc03458f6bcba ]--- [ 60.328845][ T6865] RIP: 0010:__wake_up_common+0xdf/0x650 [ 60.334429][ T6865] Code: 05 00 00 4c 8b 43 40 49 83 e8 18 49 8d 78 18 48 3b 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 40 05 00 00 49 8b 40 18 89 54 24 10 31 db 48 bd [ 60.354208][ T6865] RSP: 0018:ffffc9000590fbb0 EFLAGS: 00010046 [ 60.360252][ T6865] RAX: dffffc0000000000 RBX: ffff888088e093f8 RCX: 0000000000000000 [ 60.368201][ T6865] RDX: 0000000000000001 RSI: 1ffffffff1564cdf RDI: 0000000000000000 [ 60.376256][ T6865] RBP: 0000000000000000 R08: ffffffffffffffe8 R09: ffffc9000590fc48 [ 60.384215][ T6865] R10: fffff52000b21f70 R11: 0000000036383654 R12: 0000000000000001 [ 60.392167][ T6865] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 60.400120][ T6865] FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 60.409133][ T6865] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 60.415695][ T6865] CR2: 00000000080d7fe0 CR3: 0000000009a8d000 CR4: 00000000001506f0 [ 60.423648][ T6865] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.431601][ T6865] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.439552][ T6865] Kernel panic - not syncing: Fatal exception [ 60.446746][ T6865] Kernel Offset: disabled [ 60.451070][ T6865] Rebooting in 86400 seconds..