[ OK ] Reached target Login Prompts. [ 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. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.35' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 112.303288][ T6555] 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 [ 137.903308][T12757] ------------[ cut here ]------------ [ 137.908798][T12757] jump label: negative count! [ 137.913712][T12757] WARNING: CPU: 0 PID: 12757 at kernel/jump_label.c:235 static_key_slow_try_dec+0xca/0xe0 [ 137.923897][T12757] Modules linked in: [ 137.927802][T12757] CPU: 0 PID: 12757 Comm: syz-executor779 Not tainted 5.15.0-rc3-next-20211001-syzkaller #0 [ 137.938062][T12757] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 137.948556][T12757] RIP: 0010:static_key_slow_try_dec+0xca/0xe0 [ 137.954762][T12757] Code: 5d c3 e8 89 3c dc ff 45 31 ed 5b 44 89 e8 5d 41 5c 41 5d c3 44 89 e5 eb 8e e8 72 3c dc ff 48 c7 c7 a0 06 95 89 e8 37 9e 56 07 <0f> 0b eb c5 48 89 df e8 3a 9b 22 00 e9 6a ff ff ff 0f 1f 44 00 00 [ 137.974488][T12757] RSP: 0018:ffffc90004df7ac0 EFLAGS: 00010286 [ 137.980566][T12757] RAX: 0000000000000000 RBX: ffffffff8d6ea260 RCX: 0000000000000000 [ 137.988614][T12757] RDX: ffff88801a099d00 RSI: ffffffff815e0c68 RDI: fffff520009bef4a [ 137.996705][T12757] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000 [ 138.004756][T12757] R10: ffffffff815daa4e R11: 0000000000000000 R12: 00000000ffffffff [ 138.012817][T12757] R13: 0000000000000001 R14: ffff88801a501118 R15: 0000000000000040 [ 138.020800][T12757] FS: 00007fa178a1d700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 138.029783][T12757] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 138.036913][T12757] CR2: 00007fa178a1d718 CR3: 000000002200e000 CR4: 00000000003526f0 [ 138.045026][T12757] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 138.053060][T12757] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 138.061042][T12757] Call Trace: [ 138.064374][T12757] [ 138.067448][T12757] __static_key_slow_dec_deferred+0x60/0x100 [ 138.073517][T12757] kvm_free_lapic+0x144/0x1a0 [ 138.078212][T12757] kvm_arch_vcpu_create+0x9d9/0xc00 [ 138.083473][T12757] kvm_vm_ioctl+0x137f/0x23d0 [ 138.088175][T12757] ? kfree+0xf6/0x560 [ 138.092189][T12757] ? kvm_unregister_device_ops+0x90/0x90 [ 138.097913][T12757] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 138.104208][T12757] ? tomoyo_path_number_perm+0x24e/0x590 [ 138.109909][T12757] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 138.115817][T12757] ? __sanitizer_cov_trace_switch+0x63/0xf0 [ 138.121727][T12757] ? __sanitizer_cov_trace_const_cmp2+0x22/0x80 [ 138.128042][T12757] ? do_vfs_ioctl+0x132/0x15d0 [ 138.132879][T12757] ? vfs_fileattr_set+0xbe0/0xbe0 [ 138.137934][T12757] ? lock_downgrade+0x6e0/0x6e0 [ 138.142860][T12757] ? __fget_files+0x23d/0x3e0 [ 138.147563][T12757] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 138.154313][T12757] ? kvm_unregister_device_ops+0x90/0x90 [ 138.159966][T12757] __x64_sys_ioctl+0x193/0x200 [ 138.164787][T12757] do_syscall_64+0x35/0xb0 [ 138.169222][T12757] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 138.175197][T12757] RIP: 0033:0x7fa178a8c9e9 [ 138.179624][T12757] 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 [ 138.199415][T12757] RSP: 002b:00007fa178a1d278 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 138.207886][T12757] RAX: ffffffffffffffda RBX: 00007fa178b14410 RCX: 00007fa178a8c9e9 [ 138.215929][T12757] RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000004 [ 138.224301][T12757] RBP: 00007fa178ae20ac R08: 00007fa178a1d700 R09: 0000000000000000 [ 138.232293][T12757] R10: 00007fa178a1d700 R11: 0000000000000246 R12: 00007fa178a1d280 [ 138.240365][T12757] R13: 6d766b2f7665642f R14: 0000000000000000 R15: 00007fa178b14418 [ 138.248426][T12757] [ 138.251460][T12757] Kernel panic - not syncing: panic_on_warn set ... [ 138.258040][T12757] CPU: 0 PID: 12757 Comm: syz-executor779 Not tainted 5.15.0-rc3-next-20211001-syzkaller #0 [ 138.268108][T12757] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 138.278181][T12757] Call Trace: [ 138.281462][T12757] [ 138.284398][T12757] dump_stack_lvl+0xcd/0x134 [ 138.289008][T12757] panic+0x2b0/0x6dd [ 138.292923][T12757] ? __warn_printk+0xf3/0xf3 [ 138.297540][T12757] ? __warn.cold+0x1a/0x44 [ 138.301988][T12757] ? static_key_slow_try_dec+0xca/0xe0 [ 138.307466][T12757] __warn.cold+0x35/0x44 [ 138.311727][T12757] ? wake_up_klogd.part.0+0x9e/0xd0 [ 138.316940][T12757] ? static_key_slow_try_dec+0xca/0xe0 [ 138.322421][T12757] report_bug+0x1bd/0x210 [ 138.326773][T12757] handle_bug+0x3c/0x60 [ 138.330939][T12757] exc_invalid_op+0x14/0x40 [ 138.335453][T12757] asm_exc_invalid_op+0x12/0x20 [ 138.340754][T12757] RIP: 0010:static_key_slow_try_dec+0xca/0xe0 [ 138.346844][T12757] Code: 5d c3 e8 89 3c dc ff 45 31 ed 5b 44 89 e8 5d 41 5c 41 5d c3 44 89 e5 eb 8e e8 72 3c dc ff 48 c7 c7 a0 06 95 89 e8 37 9e 56 07 <0f> 0b eb c5 48 89 df e8 3a 9b 22 00 e9 6a ff ff ff 0f 1f 44 00 00 [ 138.366451][T12757] RSP: 0018:ffffc90004df7ac0 EFLAGS: 00010286 [ 138.372528][T12757] RAX: 0000000000000000 RBX: ffffffff8d6ea260 RCX: 0000000000000000 [ 138.380505][T12757] RDX: ffff88801a099d00 RSI: ffffffff815e0c68 RDI: fffff520009bef4a [ 138.388483][T12757] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000 [ 138.396459][T12757] R10: ffffffff815daa4e R11: 0000000000000000 R12: 00000000ffffffff [ 138.404529][T12757] R13: 0000000000000001 R14: ffff88801a501118 R15: 0000000000000040 [ 138.412602][T12757] ? wake_up_klogd.part.0+0x8e/0xd0 [ 138.417822][T12757] ? vprintk+0x88/0x90 [ 138.421916][T12757] __static_key_slow_dec_deferred+0x60/0x100 [ 138.427922][T12757] kvm_free_lapic+0x144/0x1a0 [ 138.432616][T12757] kvm_arch_vcpu_create+0x9d9/0xc00 [ 138.437841][T12757] kvm_vm_ioctl+0x137f/0x23d0 [ 138.442541][T12757] ? kfree+0xf6/0x560 [ 138.446547][T12757] ? kvm_unregister_device_ops+0x90/0x90 [ 138.452211][T12757] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 138.458470][T12757] ? tomoyo_path_number_perm+0x24e/0x590 [ 138.464121][T12757] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 138.469950][T12757] ? __sanitizer_cov_trace_switch+0x63/0xf0 [ 138.475857][T12757] ? __sanitizer_cov_trace_const_cmp2+0x22/0x80 [ 138.482120][T12757] ? do_vfs_ioctl+0x132/0x15d0 [ 138.486899][T12757] ? vfs_fileattr_set+0xbe0/0xbe0 [ 138.491949][T12757] ? lock_downgrade+0x6e0/0x6e0 [ 138.496826][T12757] ? __fget_files+0x23d/0x3e0 [ 138.501521][T12757] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 138.507780][T12757] ? kvm_unregister_device_ops+0x90/0x90 [ 138.513434][T12757] __x64_sys_ioctl+0x193/0x200 [ 138.518212][T12757] do_syscall_64+0x35/0xb0 [ 138.522652][T12757] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 138.528563][T12757] RIP: 0033:0x7fa178a8c9e9 [ 138.532987][T12757] 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 [ 138.552609][T12757] RSP: 002b:00007fa178a1d278 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 138.561036][T12757] RAX: ffffffffffffffda RBX: 00007fa178b14410 RCX: 00007fa178a8c9e9 [ 138.569025][T12757] RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000004 [ 138.577010][T12757] RBP: 00007fa178ae20ac R08: 00007fa178a1d700 R09: 0000000000000000 [ 138.584997][T12757] R10: 00007fa178a1d700 R11: 0000000000000246 R12: 00007fa178a1d280 [ 138.592976][T12757] R13: 6d766b2f7665642f R14: 0000000000000000 R15: 00007fa178b14418 [ 138.600972][T12757] [ 138.604463][T12757] Kernel Offset: disabled [ 138.608928][T12757] Rebooting in 86400 seconds..