Warning: Permanently added '10.128.0.125' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 39.278152] audit: type=1400 audit(1538090449.202:36): avc: denied { map } for pid=5567 comm="syz-executor190" path="/root/syz-executor190779231" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 39.283283] L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/l1tf.html for details. [ 39.327564] kasan: CONFIG_KASAN_INLINE enabled [ 39.332229] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 39.339594] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 39.345810] CPU: 1 PID: 5567 Comm: syz-executor190 Not tainted 4.19.0-rc5+ #36 [ 39.353166] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.362515] RIP: 0010:__lock_acquire+0x237/0x4ec0 [ 39.367339] Code: 28 00 00 00 0f 85 aa 33 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 <80> 3c 02 00 0f 85 6d 35 00 00 49 81 7d 00 20 c6 8e 8a 0f 84 54 ff [ 39.386260] RSP: 0018:ffff8801c497efb0 EFLAGS: 00010006 [ 39.391606] RAX: dffffc0000000000 RBX: 1ffff1003892fe72 RCX: 0000000000000000 [ 39.398856] RDX: 0000000000000039 RSI: 0000000000000000 RDI: ffffffff89723ac0 [ 39.406105] RBP: ffff8801c497f338 R08: 0000000000000001 R09: 0000000000000001 [ 39.413380] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 39.420636] R13: 00000000000001c8 R14: ffff8801c4734240 R15: 0000000000000000 [ 39.427896] FS: 00000000025fc880(0000) GS:ffff8801dad00000(0000) knlGS:0000000000000000 [ 39.436125] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.441988] CR2: 00007fd74ac76000 CR3: 00000001d87db000 CR4: 00000000001426e0 [ 39.449242] Call Trace: [ 39.451837] ? tg_nop+0x10/0x10 [ 39.455121] ? vmx_vcpu_put+0x1d/0x20 [ 39.458911] ? native_set_debugreg+0x31/0x40 [ 39.463310] ? kvm_arch_vcpu_put+0x2ef/0x420 [ 39.467705] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 39.473228] ? mark_held_locks+0x130/0x130 [ 39.477443] ? __lock_acquire+0x7ec/0x4ec0 [ 39.481660] ? kvm_arch_vcpu_put+0x420/0x420 [ 39.486072] ? lock_downgrade+0x900/0x900 [ 39.490228] ? mark_held_locks+0x130/0x130 [ 39.494447] ? add_timer+0x63f/0x1490 [ 39.498235] ? lock_downgrade+0x900/0x900 [ 39.502362] ? check_preemption_disabled+0x48/0x200 [ 39.507358] ? trace_hardirqs_off+0xb8/0x310 [ 39.511746] ? kasan_check_read+0x11/0x20 [ 39.515892] ? do_raw_spin_unlock+0xa7/0x2f0 [ 39.520288] ? trace_hardirqs_on+0x310/0x310 [ 39.524704] ? calc_wheel_index+0x220/0x220 [ 39.529019] ? print_usage_bug+0xc0/0xc0 [ 39.533064] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 39.538153] ? add_timer+0x644/0x1490 [ 39.541956] lock_acquire+0x1ed/0x520 [ 39.545743] ? kvm_ioapic_scan_entry+0x7f/0x3c0 [ 39.550417] ? lock_release+0x970/0x970 [ 39.554376] ? vmx_flush_tlb_gva+0x380/0x380 [ 39.558772] ? kvm_arch_vcpu_postcreate+0x1bf/0x290 [ 39.563772] _raw_spin_lock+0x2d/0x40 [ 39.567556] ? kvm_ioapic_scan_entry+0x7f/0x3c0 [ 39.572212] kvm_ioapic_scan_entry+0x7f/0x3c0 [ 39.576687] ? find_held_lock+0x36/0x1c0 [ 39.580732] vcpu_enter_guest+0x492f/0x62b0 [ 39.585065] ? __mutex_lock+0x85e/0x1700 [ 39.589111] ? queue_delayed_work_on+0xec/0x1f0 [ 39.593779] ? emulator_read_emulated+0x50/0x50 [ 39.598450] ? hardware_disable+0x530/0x530 [ 39.602760] ? vmx_vcpu_load+0xb06/0x1030 [ 39.606895] ? find_held_lock+0x36/0x1c0 [ 39.610943] ? vmx_write_tsc_offset+0x680/0x680 [ 39.615609] ? graph_lock+0x170/0x170 [ 39.619397] ? kvm_vcpu_ioctl+0x28c/0x1150 [ 39.623632] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 39.629155] ? check_preemption_disabled+0x48/0x200 [ 39.634152] ? check_preemption_disabled+0x48/0x200 [ 39.639151] ? __lock_is_held+0xb5/0x140 [ 39.643197] ? lock_acquire+0x1ed/0x520 [ 39.647471] ? kvm_arch_vcpu_ioctl_run+0x234/0x16e0 [ 39.652470] ? lock_release+0x970/0x970 [ 39.656429] ? kvm_gen_update_masterclock+0x350/0x350 [ 39.661605] ? kvm_arch_dev_ioctl+0x630/0x630 [ 39.666086] ? preempt_notifier_dec+0x20/0x20 [ 39.670570] kvm_arch_vcpu_ioctl_run+0x375/0x16e0 [ 39.675397] ? kvm_arch_vcpu_ioctl_run+0x375/0x16e0 [ 39.680418] kvm_vcpu_ioctl+0x72b/0x1150 [ 39.684466] ? kvm_vcpu_block+0x1030/0x1030 [ 39.688774] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 39.694322] ? avc_has_extended_perms+0xab2/0x15a0 [ 39.699251] ? regset_tls_active+0x6b/0xc0 [ 39.703468] ? avc_ss_reset+0x190/0x190 [ 39.707444] ? graph_lock+0x170/0x170 [ 39.711231] ? save_stack+0xa9/0xd0 [ 39.714840] ? find_held_lock+0x36/0x1c0 [ 39.718913] ? ___might_sleep+0x1ed/0x300 [ 39.723050] ? trace_hardirqs_off+0xb8/0x310 [ 39.727463] ? kvm_vcpu_block+0x1030/0x1030 [ 39.731771] do_vfs_ioctl+0x1de/0x1720 [ 39.735641] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 39.740818] ? ioctl_preallocate+0x300/0x300 [ 39.745211] ? selinux_file_mprotect+0x620/0x620 [ 39.749950] ? path_openat+0x3f50/0x5160 [ 39.753994] ? rcu_read_lock_sched_held+0x108/0x120 [ 39.758992] ? kmem_cache_free+0x24f/0x290 [ 39.763219] ? putname+0xf7/0x130 [ 39.766665] ? do_syscall_64+0x9a/0x820 [ 39.770624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 39.776171] ? security_file_ioctl+0x94/0xc0 [ 39.780564] ksys_ioctl+0xa9/0xd0 [ 39.784008] __x64_sys_ioctl+0x73/0xb0 [ 39.787877] do_syscall_64+0x1b9/0x820 [ 39.791763] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 39.797109] ? syscall_return_slowpath+0x5e0/0x5e0 [ 39.802019] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 39.806858] ? trace_hardirqs_on_caller+0x310/0x310 [ 39.811858] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 39.816879] ? prepare_exit_to_usermode+0x291/0x3b0 [ 39.821895] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 39.826741] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 39.831914] RIP: 0033:0x440099 [ 39.835094] 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 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 39.853979] RSP: 002b:00007ffeefcb8078 EFLAGS: 00000207 ORIG_RAX: 0000000000000010 [ 39.861670] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440099 [ 39.868923] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 [ 39.876193] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8 [ 39.883450] R10: 00000000004002c8 R11: 0000000000000207 R12: 0000000000401920 [ 39.890703] R13: 00000000004019b0 R14: 0000000000000000 R15: 0000000000000000 [ 39.897955] Modules linked in: [ 39.901134] ---[ end trace d0135fa9dbb5d5ea ]--- [ 39.905892] RIP: 0010:__lock_acquire+0x237/0x4ec0 [ 39.910722] Code: 28 00 00 00 0f 85 aa 33 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 <80> 3c 02 00 0f 85 6d 35 00 00 49 81 7d 00 20 c6 8e 8a 0f 84 54 ff [ 39.929631] RSP: 0018:ffff8801c497efb0 EFLAGS: 00010006 [ 39.934979] RAX: dffffc0000000000 RBX: 1ffff1003892fe72 RCX: 0000000000000000 [ 39.942249] RDX: 0000000000000039 RSI: 0000000000000000 RDI: ffffffff89723ac0 [ 39.949592] RBP: ffff8801c497f338 R08: 0000000000000001 R09: 0000000000000001 [ 39.956842] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 39.964108] R13: 00000000000001c8 R14: ffff8801c4734240 R15: 0000000000000000 [ 39.971365] FS: 00000000025fc880(0000) GS:ffff8801dad00000(0000) knlGS:0000000000000000 [ 39.979593] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.985456] CR2: 00007fd74ac76000 CR3: 00000001d87db000 CR4: 00000000001426e0 [ 39.992731] Kernel panic - not syncing: Fatal exception [ 39.999002] Kernel Offset: disabled [ 40.002625] Rebooting in 86400 seconds..