Warning: Permanently added '10.128.0.55' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 71.482470][ T9056] BUG: unable to handle page fault for address: 000000010000000e [ 71.482478][ T9056] #PF: supervisor write access in kernel mode [ 71.482484][ T9056] #PF: error_code(0x0002) - not-present page [ 71.482489][ T9056] PGD 975f4067 P4D 975f4067 PUD 0 [ 71.482507][ T9056] Oops: 0002 [#1] PREEMPT SMP KASAN [ 71.482521][ T9056] CPU: 1 PID: 9056 Comm: syz-executor327 Not tainted 5.5.0-rc1-syzkaller #0 [ 71.482527][ T9056] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.482546][ T9056] RIP: 0010:do_con_trol+0x47ea/0x61b0 [ 71.482558][ T9056] Code: 08 2c 01 0f 8e b1 00 00 00 4c 8b bd 08 ff ff ff 48 63 db 44 89 e9 41 0f b7 84 24 c8 03 00 00 48 01 db d1 e9 49 01 df 4c 89 ff 66 ab 49 8d bc 24 78 04 00 00 b8 ff ff 37 00 48 89 fa 48 c1 e0 [ 71.482564][ T9056] RSP: 0018:ffffc900020678b0 EFLAGS: 00010202 [ 71.482573][ T9056] RAX: 0000000000000720 RBX: 0000000000000000 RCX: 0000000000000001 [ 71.482580][ T9056] RDX: 1ffff110144e0079 RSI: ffffffff83e103ed RDI: 000000010000000e [ 71.482589][ T9056] RBP: ffffc900020679d0 R08: ffff88808ebf2380 R09: ffff88808ebf2c10 [ 71.482596][ T9056] R10: fffffbfff14f3330 R11: ffffffff8a799987 R12: ffff8880a2700000 [ 71.482604][ T9056] R13: 0000000000000002 R14: 0000000000000001 R15: 000000010000000e [ 71.482615][ T9056] FS: 0000000001970880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 71.482622][ T9056] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.482630][ T9056] CR2: 000000010000000e CR3: 00000000a26aa000 CR4: 00000000001406e0 [ 71.482641][ T9056] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.482648][ T9056] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.482652][ T9056] Call Trace: [ 71.482669][ T9056] ? reset_palette+0x190/0x190 [ 71.482683][ T9056] ? __kasan_check_read+0x11/0x20 [ 71.482699][ T9056] ? __atomic_notifier_call_chain+0xf8/0x1a0 [ 71.482716][ T9056] do_con_write.part.0+0xfd9/0x1ef0 [ 71.482736][ T9056] ? do_con_trol+0x61b0/0x61b0 [ 71.482749][ T9056] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 71.482759][ T9056] ? add_wait_queue+0x112/0x170 [ 71.482769][ T9056] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 71.482785][ T9056] ? trace_hardirqs_on+0x67/0x240 [ 71.482801][ T9056] con_write+0x46/0xd0 [ 71.482815][ T9056] n_tty_write+0x40e/0x1080 [ 71.482842][ T9056] ? n_tty_read+0x1bf0/0x1bf0 [ 71.482855][ T9056] ? prepare_to_wait_exclusive+0x320/0x320 [ 71.482872][ T9056] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 71.482885][ T9056] ? _copy_from_user+0x12c/0x1a0 [ 71.482899][ T9056] tty_write+0x496/0x7f0 [ 71.482912][ T9056] ? n_tty_read+0x1bf0/0x1bf0 [ 71.482926][ T9056] __vfs_write+0x8a/0x110 [ 71.482935][ T9056] ? put_tty_driver+0x20/0x20 [ 71.482947][ T9056] vfs_write+0x268/0x5d0 [ 71.482960][ T9056] ksys_write+0x14f/0x290 [ 71.482973][ T9056] ? __ia32_sys_read+0xb0/0xb0 [ 71.482988][ T9056] ? do_syscall_64+0x26/0x790 [ 71.483001][ T9056] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 71.483014][ T9056] ? do_syscall_64+0x26/0x790 [ 71.483028][ T9056] __x64_sys_write+0x73/0xb0 [ 71.483048][ T9056] do_syscall_64+0xfa/0x790 [ 71.483062][ T9056] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 71.483071][ T9056] RIP: 0033:0x4404f9 [ 71.483084][ T9056] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 5b 14 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 71.483090][ T9056] RSP: 002b:00007ffc2658d128 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.483102][ T9056] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004404f9 [ 71.483110][ T9056] RDX: 0000000000000078 RSI: 0000000020000200 RDI: 0000000000000004 [ 71.483116][ T9056] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 71.483121][ T9056] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401de0 [ 71.483128][ T9056] R13: 0000000000401e70 R14: 0000000000000000 R15: 0000000000000000 [ 71.483139][ T9056] Modules linked in: [ 71.483148][ T9056] CR2: 000000010000000e [ 71.483162][ T9056] ---[ end trace ccdc85ca51f13c12 ]--- [ 71.483177][ T9056] RIP: 0010:do_con_trol+0x47ea/0x61b0 [ 71.483188][ T9056] Code: 08 2c 01 0f 8e b1 00 00 00 4c 8b bd 08 ff ff ff 48 63 db 44 89 e9 41 0f b7 84 24 c8 03 00 00 48 01 db d1 e9 49 01 df 4c 89 ff 66 ab 49 8d bc 24 78 04 00 00 b8 ff ff 37 00 48 89 fa 48 c1 e0 [ 71.483195][ T9056] RSP: 0018:ffffc900020678b0 EFLAGS: 00010202 [ 71.483205][ T9056] RAX: 0000000000000720 RBX: 0000000000000000 RCX: 0000000000000001 [ 71.483213][ T9056] RDX: 1ffff110144e0079 RSI: ffffffff83e103ed RDI: 000000010000000e [ 71.483221][ T9056] RBP: ffffc900020679d0 R08: ffff88808ebf2380 R09: ffff88808ebf2c10 [ 71.483229][ T9056] R10: fffffbfff14f3330 R11: ffffffff8a799987 R12: ffff8880a2700000 [ 71.483237][ T9056] R13: 0000000000000002 R14: 0000000000000001 R15: 000000010000000e [ 71.483247][ T9056] FS: 0000000001970880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 71.483255][ T9056] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.483262][ T9056] CR2: 000000010000000e CR3: 00000000a26aa000 CR4: 00000000001406e0 [ 71.483272][ T9056] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.483279][ T9056] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.483285][ T9056] Kernel panic - not syncing: Fatal exception [ 71.484659][ T9056] Kernel Offset: disabled [ 71.994513][ T9056] Rebooting in 86400 seconds..