[ 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 '10.128.10.34' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 58.202103][ T6814] L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details. [ 58.240535][ T6814] general protection fault, probably for non-canonical address 0xdffffc0000000013: 0000 [#1] PREEMPT SMP KASAN [ 58.252385][ T6814] KASAN: null-ptr-deref in range [0x0000000000000098-0x000000000000009f] [ 58.261029][ T6814] CPU: 0 PID: 6814 Comm: syz-executor259 Not tainted 5.7.0-syzkaller #0 [ 58.269370][ T6814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.279411][ T6814] RIP: 0010:__apic_accept_irq+0x46/0xb80 [ 58.285015][ T6814] Code: 4c 24 18 4c 89 4c 24 08 e8 67 0d 61 00 49 8d 87 98 00 00 00 48 89 c2 48 89 44 24 20 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 1b 0a 00 00 49 8b af 98 00 00 00 0f 1f 44 00 00 [ 58.306329][ T6814] RSP: 0018:ffffc900015778f8 EFLAGS: 00010202 [ 58.312380][ T6814] RAX: dffffc0000000000 RBX: ffff888094fbc040 RCX: 0000000000000000 [ 58.320335][ T6814] RDX: 0000000000000013 RSI: ffffffff8112c159 RDI: 0000000000000000 [ 58.329501][ T6814] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 58.337809][ T6814] R10: 0000000000000003 R11: fffff520002aef36 R12: 0000000000000000 [ 58.345841][ T6814] R13: ffff888090062e68 R14: 0000000000000000 R15: 0000000000000000 [ 58.353788][ T6814] FS: 0000000000000000(0000) GS:ffff8880ae600000(0063) knlGS:000000000855e840 [ 58.363039][ T6814] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 58.369598][ T6814] CR2: 00007f9ace9ee6c0 CR3: 00000000a67b9000 CR4: 00000000001426f0 [ 58.377544][ T6814] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.387444][ T6814] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.395390][ T6814] Call Trace: [ 58.398669][ T6814] kvm_arch_async_page_present+0x7de/0x9e0 [ 58.404448][ T6814] ? kvm_arch_async_page_not_present+0x650/0x650 [ 58.410763][ T6814] ? lock_downgrade+0x840/0x840 [ 58.415588][ T6814] ? do_raw_spin_lock+0x129/0x2e0 [ 58.420586][ T6814] ? rwlock_bug.part.0+0x90/0x90 [ 58.425496][ T6814] ? kvm_arch_async_page_present_queued+0x80/0x80 [ 58.432071][ T6814] ? kvm_arch_async_page_ready+0xad/0x350 [ 58.437860][ T6814] kvm_check_async_pf_completion+0x18d/0x400 [ 58.443817][ T6814] kvm_arch_vcpu_ioctl_run+0x18bf/0x69f0 [ 58.449581][ T6814] ? kvm_arch_vcpu_runnable+0x6c0/0x6c0 [ 58.455120][ T6814] ? debug_smp_processor_id+0x2f/0x185 [ 58.460657][ T6814] ? lock_downgrade+0x840/0x840 [ 58.465509][ T6814] ? rcu_read_lock_held_common+0xa0/0xa0 [ 58.471396][ T6814] ? kvm_vcpu_ioctl+0x46a/0xe20 [ 58.476235][ T6814] kvm_vcpu_ioctl+0x46a/0xe20 [ 58.480912][ T6814] ? kvm_get_dirty_log_protect.isra.0+0x670/0x670 [ 58.487310][ T6814] ? debug_smp_processor_id+0x2f/0x185 [ 58.492743][ T6814] ? __sanitizer_cov_trace_switch+0x45/0x70 [ 58.498610][ T6814] ? do_vfs_ioctl+0x50c/0x1360 [ 58.503376][ T6814] ? ioctl_file_clone+0x180/0x180 [ 58.508372][ T6814] ? debug_smp_processor_id+0x2f/0x185 [ 58.513804][ T6814] kvm_vcpu_compat_ioctl+0x1ab/0x350 [ 58.519066][ T6814] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.525019][ T6814] ? kvm_vcpu_ioctl+0xe20/0xe20 [ 58.529845][ T6814] ? do_sys_open+0xc3/0x140 [ 58.534334][ T6814] ? kvm_vcpu_ioctl+0xe20/0xe20 [ 58.539161][ T6814] __ia32_compat_sys_ioctl+0x23d/0x2b0 [ 58.544684][ T6814] do_fast_syscall_32+0x270/0xe90 [ 58.549692][ T6814] entry_SYSENTER_compat+0x70/0x7f [ 58.554772][ T6814] Modules linked in: [ 58.568870][ T6814] ---[ end trace 1b3e88ee54975ef2 ]--- [ 58.574458][ T6814] RIP: 0010:__apic_accept_irq+0x46/0xb80 [ 58.581007][ T6814] Code: 4c 24 18 4c 89 4c 24 08 e8 67 0d 61 00 49 8d 87 98 00 00 00 48 89 c2 48 89 44 24 20 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 1b 0a 00 00 49 8b af 98 00 00 00 0f 1f 44 00 00 [ 58.603176][ T6814] RSP: 0018:ffffc900015778f8 EFLAGS: 00010202 [ 58.609758][ T6814] RAX: dffffc0000000000 RBX: ffff888094fbc040 RCX: 0000000000000000 [ 58.618283][ T6814] RDX: 0000000000000013 RSI: ffffffff8112c159 RDI: 0000000000000000 [ 58.629919][ T6814] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 58.638286][ T6814] R10: 0000000000000003 R11: fffff520002aef36 R12: 0000000000000000 [ 58.646547][ T6814] R13: ffff888090062e68 R14: 0000000000000000 R15: 0000000000000000 [ 58.655746][ T6814] FS: 0000000000000000(0000) GS:ffff8880ae700000(0063) knlGS:000000000855e840 [ 58.665491][ T6814] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 58.674067][ T6814] CR2: 00007f0fb0cb5000 CR3: 00000000a67b9000 CR4: 00000000001426e0 [ 58.684298][ T6814] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.693279][ T6814] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.702802][ T6814] Kernel panic - not syncing: Fatal exception [ 58.712647][ T6814] Kernel Offset: disabled [ 58.717265][ T6814] Rebooting in 86400 seconds..