Warning: Permanently added '10.128.0.4' (ECDSA) to the list of known hosts. syzkaller login: [ 61.463875][ T8717] 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. [ 62.546729][ T8791] BUG: kernel NULL pointer dereference, address: 0000000000000086 [ 62.554619][ T8791] #PF: supervisor instruction fetch in kernel mode [ 62.561092][ T8791] #PF: error_code(0x0010) - not-present page [ 62.567171][ T8791] PGD a88f9067 P4D a88f9067 PUD 956d6067 PMD 0 [ 62.573441][ T8791] Oops: 0010 [#1] PREEMPT SMP KASAN [ 62.578623][ T8791] CPU: 1 PID: 8791 Comm: syz-executor048 Not tainted 5.6.0-rc6-syzkaller #0 [ 62.588144][ T8791] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.598276][ T8791] RIP: 0010:0x86 [ 62.601816][ T8791] Code: Bad RIP value. [ 62.605858][ T8791] RSP: 0018:ffffc90002077998 EFLAGS: 00010086 [ 62.611907][ T8791] RAX: ffffc900020779c8 RBX: fffffe0000000000 RCX: ffff8880a797e640 [ 62.619858][ T8791] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 62.628249][ T8791] RBP: 0000000000000ec0 R08: ffffffff83987263 R09: ffffffff811c7eca [ 62.636405][ T8791] R10: ffff8880a797e640 R11: 0000000000000002 R12: dffffc0000000000 [ 62.644368][ T8791] R13: fffffe0000000ec8 R14: ffffffff880016f0 R15: fffffe0000000ecb [ 62.652680][ T8791] FS: 0000000000e21880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 62.661611][ T8791] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.668408][ T8791] CR2: 000000000000005c CR3: 0000000099e69000 CR4: 00000000001426e0 [ 62.676371][ T8791] Call Trace: [ 62.679655][ T8791] ? handle_external_interrupt_irqoff+0x154/0x280 [ 62.686058][ T8791] ? handle_external_interrupt_irqoff+0x132/0x280 [ 62.692461][ T8791] ? __irqentry_text_start+0x8/0x8 [ 62.697565][ T8791] ? vcpu_enter_guest+0x6c77/0x9290 [ 62.702763][ T8791] ? __kasan_slab_free+0x12e/0x1e0 [ 62.707864][ T8791] ? kfree+0x10a/0x220 [ 62.711923][ T8791] ? tomoyo_path_number_perm+0x525/0x690 [ 62.717572][ T8791] ? security_file_ioctl+0x55/0xb0 [ 62.722680][ T8791] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 62.728739][ T8791] ? __lock_acquire+0xc5a/0x1bc0 [ 62.733664][ T8791] ? x2apic_send_IPI+0x96/0xc0 [ 62.738449][ T8791] ? mark_lock+0x107/0x1650 [ 62.742946][ T8791] ? lock_acquire+0x154/0x250 [ 62.747614][ T8791] ? rcu_lock_acquire+0x9/0x30 [ 62.752811][ T8791] ? vcpu_run+0x3a3/0xd50 [ 62.757133][ T8791] ? kvm_arch_vcpu_ioctl_run+0x419/0x880 [ 62.762806][ T8791] ? kvm_vcpu_ioctl+0x67c/0xa80 [ 62.767667][ T8791] ? rcu_read_lock_sched_held+0x106/0x170 [ 62.773368][ T8791] ? kvm_vm_release+0x50/0x50 [ 62.778031][ T8791] ? __se_sys_ioctl+0xf9/0x160 [ 62.782775][ T8791] ? do_syscall_64+0xf3/0x1b0 [ 62.787444][ T8791] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 62.793496][ T8791] Modules linked in: [ 62.797507][ T8791] CR2: 0000000000000086 [ 62.801769][ T8791] ---[ end trace 7abe4b45c9ef2fe0 ]--- [ 62.807229][ T8791] RIP: 0010:0x86 [ 62.810789][ T8791] Code: Bad RIP value. [ 62.814852][ T8791] RSP: 0018:ffffc90002077998 EFLAGS: 00010086 [ 62.820901][ T8791] RAX: ffffc900020779c8 RBX: fffffe0000000000 RCX: ffff8880a797e640 [ 62.828928][ T8791] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 62.837142][ T8791] RBP: 0000000000000ec0 R08: ffffffff83987263 R09: ffffffff811c7eca [ 62.845552][ T8791] R10: ffff8880a797e640 R11: 0000000000000002 R12: dffffc0000000000 [ 62.853520][ T8791] R13: fffffe0000000ec8 R14: ffffffff880016f0 R15: fffffe0000000ecb [ 62.861495][ T8791] FS: 0000000000e21880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 62.870603][ T8791] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.877373][ T8791] CR2: 000000000000005c CR3: 0000000099e69000 CR4: 00000000001426e0 [ 62.885802][ T8791] Kernel panic - not syncing: Fatal exception [ 62.893327][ T8791] Kernel Offset: disabled [ 62.897866][ T8791] Rebooting in 86400 seconds..