[ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.19' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 109.206558][ T6566] 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. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 138.168810][T13463] ------------[ cut here ]------------ [ 138.174317][T13463] jump label: negative count! [ 138.179331][T13463] WARNING: CPU: 0 PID: 13463 at kernel/jump_label.c:235 static_key_slow_try_dec+0xca/0xe0 [ 138.189392][T13463] Modules linked in: [ 138.193300][T13463] CPU: 0 PID: 13463 Comm: syz-executor968 Not tainted 5.15.0-rc2-next-20210920-syzkaller #0 [ 138.203433][T13463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 138.213618][T13463] RIP: 0010:static_key_slow_try_dec+0xca/0xe0 [ 138.219799][T13463] Code: 5d c3 e8 59 50 dc ff 45 31 ed 5b 44 89 e8 5d 41 5c 41 5d c3 44 89 e5 eb 8e e8 42 50 dc ff 48 c7 c7 60 00 95 89 e8 6c 8f 56 07 <0f> 0b eb c5 48 89 df e8 fa 87 22 00 e9 6a ff ff ff 0f 1f 44 00 00 [ 138.239551][T13463] RSP: 0018:ffffc9000632fac0 EFLAGS: 00010286 [ 138.245647][T13463] RAX: 0000000000000000 RBX: ffffffff8d6e7720 RCX: 0000000000000000 [ 138.253705][T13463] RDX: ffff88801f0d9d00 RSI: ffffffff815dd778 RDI: fffff52000c65f4a [ 138.261776][T13463] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000 [ 138.269915][T13463] R10: ffffffff815d755e R11: 0000000000000000 R12: 00000000ffffffff [ 138.277986][T13463] R13: 0000000000000001 R14: ffff88801e569118 R15: 0000000000000040 [ 138.285979][T13463] FS: 00007fb49fc3f700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 138.294994][T13463] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 138.301787][T13463] CR2: 00007fb49fd03b38 CR3: 000000006f69c000 CR4: 00000000001526f0 [ 138.309870][T13463] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 138.317966][T13463] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 138.325973][T13463] Call Trace: [ 138.329350][T13463] __static_key_slow_dec_deferred+0x60/0x100 [ 138.335370][T13463] kvm_free_lapic+0x144/0x1a0 [ 138.340182][T13463] kvm_arch_vcpu_create+0x890/0xbf0 [ 138.345503][T13463] kvm_vm_ioctl+0x137f/0x23d0 [ 138.350294][T13463] ? kfree+0xf6/0x550 [ 138.354344][T13463] ? kvm_unregister_device_ops+0x90/0x90 [ 138.360145][T13463] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 138.366420][T13463] ? tomoyo_path_number_perm+0x24e/0x590 [ 138.372163][T13463] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 138.378274][T13463] ? __sanitizer_cov_trace_switch+0x63/0xf0 [ 138.384204][T13463] ? __sanitizer_cov_trace_const_cmp2+0x22/0x80 [ 138.390542][T13463] ? do_vfs_ioctl+0x132/0x15d0 [ 138.395325][T13463] ? vfs_fileattr_set+0xbe0/0xbe0 [ 138.400487][T13463] ? lock_downgrade+0x6e0/0x6e0 [ 138.405380][T13463] ? __fget_files+0x23d/0x3e0 [ 138.410172][T13463] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 138.416444][T13463] ? kvm_unregister_device_ops+0x90/0x90 [ 138.422246][T13463] __x64_sys_ioctl+0x193/0x200 [ 138.427126][T13463] do_syscall_64+0x35/0xb0 [ 138.431589][T13463] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 138.437617][T13463] RIP: 0033:0x7fb49fcae959 [ 138.442057][T13463] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 00 00 90 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 138.461915][T13463] RSP: 002b:00007fb49fc3f318 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 138.470515][T13463] RAX: ffffffffffffffda RBX: 00007fb49fd36418 RCX: 00007fb49fcae959 [ 138.478991][T13463] RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000004 [ 138.487189][T13463] RBP: 00007fb49fd36410 R08: 00007fb49fc3f700 R09: 0000000000000000 [ 138.495177][T13463] R10: 00007fb49fc3f700 R11: 0000000000000246 R12: 6d766b2f7665642f [ 138.503259][T13463] R13: 00007ffc99f7730f R14: 00007fb49fc3f400 R15: 0000000000022000 [ 138.511394][T13463] Kernel panic - not syncing: panic_on_warn set ... [ 138.517989][T13463] CPU: 0 PID: 13463 Comm: syz-executor968 Not tainted 5.15.0-rc2-next-20210920-syzkaller #0 [ 138.528053][T13463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 138.538181][T13463] Call Trace: [ 138.541567][T13463] dump_stack_lvl+0xcd/0x134 [ 138.546187][T13463] panic+0x2b0/0x6dd [ 138.550132][T13463] ? __warn_printk+0xf3/0xf3 [ 138.554760][T13463] ? __warn.cold+0x1a/0x44 [ 138.559198][T13463] ? static_key_slow_try_dec+0xca/0xe0 [ 138.564712][T13463] __warn.cold+0x35/0x44 [ 138.568983][T13463] ? wake_up_klogd.part.0+0x9e/0xd0 [ 138.574201][T13463] ? static_key_slow_try_dec+0xca/0xe0 [ 138.579690][T13463] report_bug+0x1bd/0x210 [ 138.584048][T13463] handle_bug+0x3c/0x60 [ 138.588225][T13463] exc_invalid_op+0x14/0x40 [ 138.592754][T13463] asm_exc_invalid_op+0x12/0x20 [ 138.597635][T13463] RIP: 0010:static_key_slow_try_dec+0xca/0xe0 [ 138.603728][T13463] Code: 5d c3 e8 59 50 dc ff 45 31 ed 5b 44 89 e8 5d 41 5c 41 5d c3 44 89 e5 eb 8e e8 42 50 dc ff 48 c7 c7 60 00 95 89 e8 6c 8f 56 07 <0f> 0b eb c5 48 89 df e8 fa 87 22 00 e9 6a ff ff ff 0f 1f 44 00 00 [ 138.623626][T13463] RSP: 0018:ffffc9000632fac0 EFLAGS: 00010286 [ 138.629703][T13463] RAX: 0000000000000000 RBX: ffffffff8d6e7720 RCX: 0000000000000000 [ 138.637762][T13463] RDX: ffff88801f0d9d00 RSI: ffffffff815dd778 RDI: fffff52000c65f4a [ 138.645731][T13463] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000 [ 138.653782][T13463] R10: ffffffff815d755e R11: 0000000000000000 R12: 00000000ffffffff [ 138.661961][T13463] R13: 0000000000000001 R14: ffff88801e569118 R15: 0000000000000040 [ 138.669942][T13463] ? wake_up_klogd.part.0+0x8e/0xd0 [ 138.675154][T13463] ? vprintk+0x88/0x90 [ 138.679245][T13463] __static_key_slow_dec_deferred+0x60/0x100 [ 138.685404][T13463] kvm_free_lapic+0x144/0x1a0 [ 138.690275][T13463] kvm_arch_vcpu_create+0x890/0xbf0 [ 138.695656][T13463] kvm_vm_ioctl+0x137f/0x23d0 [ 138.700426][T13463] ? kfree+0xf6/0x550 [ 138.704407][T13463] ? kvm_unregister_device_ops+0x90/0x90 [ 138.710383][T13463] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 138.717118][T13463] ? tomoyo_path_number_perm+0x24e/0x590 [ 138.722782][T13463] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 138.728608][T13463] ? __sanitizer_cov_trace_switch+0x63/0xf0 [ 138.734502][T13463] ? __sanitizer_cov_trace_const_cmp2+0x22/0x80 [ 138.740853][T13463] ? do_vfs_ioctl+0x132/0x15d0 [ 138.745630][T13463] ? vfs_fileattr_set+0xbe0/0xbe0 [ 138.750662][T13463] ? lock_downgrade+0x6e0/0x6e0 [ 138.755534][T13463] ? __fget_files+0x23d/0x3e0 [ 138.760212][T13463] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 138.766647][T13463] ? kvm_unregister_device_ops+0x90/0x90 [ 138.772286][T13463] __x64_sys_ioctl+0x193/0x200 [ 138.777070][T13463] do_syscall_64+0x35/0xb0 [ 138.781502][T13463] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 138.787396][T13463] RIP: 0033:0x7fb49fcae959 [ 138.791806][T13463] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 00 00 90 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 138.811409][T13463] RSP: 002b:00007fb49fc3f318 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 138.819839][T13463] RAX: ffffffffffffffda RBX: 00007fb49fd36418 RCX: 00007fb49fcae959 [ 138.827804][T13463] RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000004 [ 138.835768][T13463] RBP: 00007fb49fd36410 R08: 00007fb49fc3f700 R09: 0000000000000000 [ 138.843732][T13463] R10: 00007fb49fc3f700 R11: 0000000000000246 R12: 6d766b2f7665642f [ 138.851697][T13463] R13: 00007ffc99f7730f R14: 00007fb49fc3f400 R15: 0000000000022000 [ 138.860089][T13463] Kernel Offset: disabled [ 138.864766][T13463] Rebooting in 86400 seconds..