Warning: Permanently added '10.128.0.168' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 57.914387][ T6830] general protection fault, probably for non-canonical address 0xdffffc0020000001: 0000 [#1] PREEMPT SMP KASAN [ 57.914398][ T6830] KASAN: probably user-memory-access in range [0x0000000100000008-0x000000010000000f] [ 57.914410][ T6830] CPU: 1 PID: 6830 Comm: syz-executor104 Not tainted 5.8.0-rc3-syzkaller #0 [ 57.914417][ T6830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.914432][ T6830] RIP: 0010:do_con_write+0x979/0x7400 [ 57.914445][ T6830] Code: a4 24 ca 00 00 00 44 01 e5 e8 b3 19 86 fd 48 8b 44 24 50 80 38 00 0f 85 28 27 00 00 4d 8b a6 f0 03 00 00 4c 89 e0 48 c1 e8 03 <0f> b6 14 18 4c 89 e0 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 13 [ 57.914451][ T6830] RSP: 0018:ffffc90000fa7a10 EFLAGS: 00010203 [ 57.914461][ T6830] RAX: 0000000020000001 RBX: dffffc0000000000 RCX: ffffffff83ed9d2a [ 57.914468][ T6830] RDX: ffff88809e588300 RSI: ffffffff83ed9d6d RDI: 0000000000000003 [ 57.914475][ T6830] RBP: 00000000000007fe R08: ffffffff83ec99f0 R09: ffff88809e588bc8 [ 57.914482][ T6830] R10: 0000000000000000 R11: 0000000000000000 R12: 000000010000000c [ 57.914488][ T6830] R13: 0000000000000000 R14: ffff88809f83f000 R15: ffff88809f83f3dc [ 57.914498][ T6830] FS: 0000000001efd880(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 57.914505][ T6830] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.914511][ T6830] CR2: 00000000004553a0 CR3: 000000009614f000 CR4: 00000000001406e0 [ 57.914523][ T6830] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.914530][ T6830] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.914534][ T6830] Call Trace: [ 57.914552][ T6830] ? match_held_lock+0x160/0x170 [ 57.914567][ T6830] ? reset_palette+0x180/0x180 [ 57.914581][ T6830] ? mark_lock+0xbc/0x1710 [ 57.914595][ T6830] ? mark_held_locks+0x9f/0xe0 [ 57.914607][ T6830] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 57.914618][ T6830] con_write+0x22/0xb0 [ 57.914630][ T6830] n_tty_write+0x3ce/0xf80 [ 57.914647][ T6830] ? n_tty_receive_char_lnext+0x700/0x700 [ 57.914661][ T6830] ? __init_waitqueue_head+0x110/0x110 [ 57.914673][ T6830] ? __might_fault+0x190/0x1d0 [ 57.914688][ T6830] tty_write+0x4d9/0x870 [ 57.914699][ T6830] ? n_tty_receive_char_lnext+0x700/0x700 [ 57.914713][ T6830] ? tty_read+0x290/0x290 [ 57.914724][ T6830] __vfs_write+0x76/0x100 [ 57.914736][ T6830] vfs_write+0x268/0x5d0 [ 57.914748][ T6830] ksys_write+0x12d/0x250 [ 57.914760][ T6830] ? __ia32_sys_read+0xb0/0xb0 [ 57.914771][ T6830] ? lock_is_held_type+0xb0/0xe0 [ 57.914784][ T6830] ? do_syscall_64+0x1c/0xe0 [ 57.914796][ T6830] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 57.914809][ T6830] do_syscall_64+0x60/0xe0 [ 57.914821][ T6830] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.914829][ T6830] RIP: 0033:0x440459 [ 57.914833][ T6830] Code: Bad RIP value. [ 57.914839][ T6830] RSP: 002b:00007ffd347c4318 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.914849][ T6830] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440459 [ 57.914856][ T6830] RDX: 0000000000001006 RSI: 0000000020000240 RDI: 0000000000000004 [ 57.914863][ T6830] RBP: 00000000006cb018 R08: 000000000000000e R09: 00000000004002c8 [ 57.914876][ T6830] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401d40 [ 57.914883][ T6830] R13: 0000000000401dd0 R14: 0000000000000000 R15: 0000000000000000 [ 57.914891][ T6830] Modules linked in: [ 57.914907][ T6830] ---[ end trace 6dae5db32f8aca9b ]--- [ 57.914918][ T6830] RIP: 0010:do_con_write+0x979/0x7400 [ 57.914930][ T6830] Code: a4 24 ca 00 00 00 44 01 e5 e8 b3 19 86 fd 48 8b 44 24 50 80 38 00 0f 85 28 27 00 00 4d 8b a6 f0 03 00 00 4c 89 e0 48 c1 e8 03 <0f> b6 14 18 4c 89 e0 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 13 [ 57.914936][ T6830] RSP: 0018:ffffc90000fa7a10 EFLAGS: 00010203 [ 57.914959][ T6830] RAX: 0000000020000001 RBX: dffffc0000000000 RCX: ffffffff83ed9d2a [ 57.914966][ T6830] RDX: ffff88809e588300 RSI: ffffffff83ed9d6d RDI: 0000000000000003 [ 57.914973][ T6830] RBP: 00000000000007fe R08: ffffffff83ec99f0 R09: ffff88809e588bc8 [ 57.914979][ T6830] R10: 0000000000000000 R11: 0000000000000000 R12: 000000010000000c [ 57.914986][ T6830] R13: 0000000000000000 R14: ffff88809f83f000 R15: ffff88809f83f3dc [ 57.914995][ T6830] FS: 0000000001efd880(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 57.915003][ T6830] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.915010][ T6830] CR2: 00000000004553a0 CR3: 000000009614f000 CR4: 00000000001406e0 [ 57.915019][ T6830] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.915026][ T6830] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.915031][ T6830] Kernel panic - not syncing: Fatal exception [ 57.916803][ T6830] Kernel Offset: disabled [ 58.368424][ T6830] Rebooting in 86400 seconds..