[ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Load/Save RF Kill Switch Status. [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.125' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 107.658878][ T6550] 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 [ 132.827270][T11551] ------------[ cut here ]------------ [ 132.832915][T11551] jump label: negative count! [ 132.845321][T11551] WARNING: CPU: 0 PID: 11551 at kernel/jump_label.c:235 static_key_slow_try_dec+0xca/0xe0 [ 132.868280][T11551] Modules linked in: executing program [ 132.885621][T11551] CPU: 0 PID: 11551 Comm: syz-executor891 Not tainted 5.15.0-rc4-syzkaller #0 [ 132.906436][T11551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 executing program [ 132.932956][T11551] RIP: 0010:static_key_slow_try_dec+0xca/0xe0 [ 132.954216][T11551] Code: 5d c3 e8 f9 58 dc ff 45 31 ed 5b 44 89 e8 5d 41 5c 41 5d c3 44 89 e5 eb 8e e8 e2 58 dc ff 48 c7 c7 20 f8 94 89 e8 02 fc 58 07 <0f> 0b eb c5 48 89 df e8 1a ae 23 00 e9 6a ff ff ff 0f 1f 44 00 00 executing program [ 133.003008][T11551] RSP: 0018:ffffc9000b10fac0 EFLAGS: 00010286 [ 133.017414][T11551] RAX: 0000000000000000 RBX: ffffffff8d6e4e20 RCX: 0000000000000000 [ 133.036149][T11570] ------------[ cut here ]------------ [ 133.042115][T11570] jump label: negative count! executing program [ 133.053744][T11551] RDX: ffff88807a831c80 RSI: ffffffff815daf18 RDI: fffff52001621f4a [ 133.066807][T11570] WARNING: CPU: 0 PID: 11570 at kernel/jump_label.c:235 static_key_slow_try_dec+0xca/0xe0 [ 133.071270][T11551] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000 [ 133.097933][T11570] Modules linked in: [ 133.104185][T11551] R10: ffffffff815d4cbe R11: 0000000000000000 R12: 00000000ffffffff [ 133.112868][T11570] CPU: 0 PID: 11570 Comm: syz-executor891 Not tainted 5.15.0-rc4-syzkaller #0 [ 133.112899][T11570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 133.125410][T11551] R13: 0000000000000001 R14: ffff888023009118 R15: 0000000000000040 executing program [ 133.157928][T11570] RIP: 0010:static_key_slow_try_dec+0xca/0xe0 [ 133.158513][T11551] FS: 00007f86c2446700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 133.167347][T11551] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 133.195541][T11551] CR2: 00007fffbbdd7838 CR3: 000000001a4d6000 CR4: 00000000003526e0 [ 133.203908][T11570] Code: 5d c3 e8 f9 58 dc ff 45 31 ed 5b 44 89 e8 5d 41 5c 41 5d c3 44 89 e5 eb 8e e8 e2 58 dc ff 48 c7 c7 20 f8 94 89 e8 02 fc 58 07 <0f> 0b eb c5 48 89 df e8 1a ae 23 00 e9 6a ff ff ff 0f 1f 44 00 00 [ 133.209495][T11551] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 133.245242][T11551] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 133.259704][T11551] Call Trace: [ 133.263557][T11570] RSP: 0018:ffffc9000af9fac0 EFLAGS: 00010286 [ 133.267609][T11551] __static_key_slow_dec_deferred+0x60/0x100 [ 133.278823][T11570] RAX: 0000000000000000 RBX: ffffffff8d6e4e20 RCX: 0000000000000000 [ 133.286085][T11551] kvm_free_lapic+0x144/0x1a0 [ 133.300901][T11570] RDX: ffff888079d3d580 RSI: ffffffff815daf18 RDI: fffff520015f3f4a executing program [ 133.306011][T11551] kvm_arch_vcpu_create+0x8fd/0xc70 [ 133.321181][T11570] RBP: 00000000fffffffe R08: 0000000000000000 R09: 0000000000000000 [ 133.322760][T11551] kvm_vm_ioctl+0x137f/0x23d0 [ 133.340844][T11570] R10: ffffffff815d4cbe R11: 0000000000000000 R12: 00000000fffffffe [ 133.344261][T11551] ? kvm_unregister_device_ops+0x90/0x90 [ 133.365910][T11551] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 133.371940][T11570] R13: 0000000000000001 R14: ffff88801f1e1118 R15: 0000000000000040 [ 133.381410][T11551] ? tomoyo_path_number_perm+0x24e/0x590 [ 133.404224][T11570] FS: 00007f86c2446700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 executing program [ 133.407769][T11551] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 133.423348][T11551] ? __sanitizer_cov_trace_switch+0x63/0xf0 [ 133.431169][T11570] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 133.448294][T11570] CR2: 00007fc1f2077000 CR3: 000000007060f000 CR4: 00000000003526f0 executing program [ 133.464099][T11551] ? __sanitizer_cov_trace_const_cmp2+0x22/0x80 [ 133.469410][T11570] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 133.473151][T11551] ? do_vfs_ioctl+0x132/0x15d0 [ 133.493200][T11551] ? vfs_fileattr_set+0xbe0/0xbe0 [ 133.497345][T11570] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 133.508321][T11551] ? lock_downgrade+0x6e0/0x6e0 executing program [ 133.529700][T11570] Call Trace: [ 133.538099][T11551] ? __fget_files+0x23d/0x3e0 [ 133.538767][T11570] __static_key_slow_dec_deferred+0x60/0x100 [ 133.562886][T11551] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 133.569836][T11570] kvm_free_lapic+0x144/0x1a0 [ 133.569872][T11570] kvm_arch_vcpu_create+0x8fd/0xc70 [ 133.569910][T11570] kvm_vm_ioctl+0x137f/0x23d0 [ 133.569950][T11570] ? kvm_unregister_device_ops+0x90/0x90 [ 133.569990][T11570] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 133.587241][T11551] ? kvm_unregister_device_ops+0x90/0x90 [ 133.611627][T11551] __x64_sys_ioctl+0x193/0x200 executing program [ 133.627941][T11570] ? tomoyo_path_number_perm+0x24e/0x590 [ 133.630662][T11551] do_syscall_64+0x35/0xb0 [ 133.639726][T11570] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 133.651700][T11551] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 133.655086][T11570] ? __sanitizer_cov_trace_switch+0x63/0xf0 [ 133.668032][T11551] RIP: 0033:0x7f86c24b5959 [ 133.679663][T11570] ? __sanitizer_cov_trace_const_cmp2+0x22/0x80 [ 133.680668][T11551] 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 [ 133.692926][T11570] ? do_vfs_ioctl+0x132/0x15d0 [ 133.708338][T11551] RSP: 002b:00007f86c2446318 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 133.729604][T11551] RAX: ffffffffffffffda RBX: 00007f86c253d418 RCX: 00007f86c24b5959 [ 133.739590][T11551] RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000004 [ 133.748712][T11551] RBP: 00007f86c253d410 R08: 00007f86c2446700 R09: 0000000000000000 [ 133.757860][T11551] R10: 00007f86c2446700 R11: 0000000000000246 R12: 6d766b2f7665642f [ 133.761370][T11570] ? vfs_fileattr_set+0xbe0/0xbe0 [ 133.767623][T11551] R13: 00007fffbbdd77df R14: 00007f86c2446400 R15: 0000000000022000 [ 133.780448][T11551] Kernel panic - not syncing: panic_on_warn set ... [ 133.781596][T11570] ? lock_downgrade+0x6e0/0x6e0 [ 133.787041][T11551] CPU: 1 PID: 11551 Comm: syz-executor891 Not tainted 5.15.0-rc4-syzkaller #0 [ 133.787069][T11551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 133.787083][T11551] Call Trace: [ 133.787092][T11551] dump_stack_lvl+0xcd/0x134 [ 133.787119][T11551] panic+0x2b0/0x6dd [ 133.787142][T11551] ? __warn_printk+0xf3/0xf3 [ 133.787178][T11551] ? __warn.cold+0x1a/0x44 [ 133.787207][T11551] ? static_key_slow_try_dec+0xca/0xe0 [ 133.787236][T11551] __warn.cold+0x35/0x44 [ 133.805397][T11570] ? __fget_files+0x23d/0x3e0 [ 133.810931][T11551] ? wake_up_klogd.part.0+0x8e/0xd0 [ 133.810963][T11551] ? static_key_slow_try_dec+0xca/0xe0 [ 133.810992][T11551] report_bug+0x1bd/0x210 [ 133.861002][T11551] handle_bug+0x3c/0x60 [ 133.865179][T11551] exc_invalid_op+0x14/0x40 [ 133.869680][T11551] asm_exc_invalid_op+0x12/0x20 [ 133.874534][T11551] RIP: 0010:static_key_slow_try_dec+0xca/0xe0 [ 133.880606][T11551] Code: 5d c3 e8 f9 58 dc ff 45 31 ed 5b 44 89 e8 5d 41 5c 41 5d c3 44 89 e5 eb 8e e8 e2 58 dc ff 48 c7 c7 20 f8 94 89 e8 02 fc 58 07 <0f> 0b eb c5 48 89 df e8 1a ae 23 00 e9 6a ff ff ff 0f 1f 44 00 00 [ 133.900212][T11551] RSP: 0018:ffffc9000b10fac0 EFLAGS: 00010286 [ 133.906295][T11551] RAX: 0000000000000000 RBX: ffffffff8d6e4e20 RCX: 0000000000000000 [ 133.914262][T11551] RDX: ffff88807a831c80 RSI: ffffffff815daf18 RDI: fffff52001621f4a [ 133.922240][T11551] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000 [ 133.930297][T11551] R10: ffffffff815d4cbe R11: 0000000000000000 R12: 00000000ffffffff [ 133.938449][T11551] R13: 0000000000000001 R14: ffff888023009118 R15: 0000000000000040 [ 133.946421][T11551] ? wake_up_klogd.part.0+0x8e/0xd0 [ 133.951630][T11551] ? vprintk+0x88/0x90 [ 133.955818][T11551] __static_key_slow_dec_deferred+0x60/0x100 [ 133.961837][T11551] kvm_free_lapic+0x144/0x1a0 [ 133.966539][T11551] kvm_arch_vcpu_create+0x8fd/0xc70 [ 133.971759][T11551] kvm_vm_ioctl+0x137f/0x23d0 [ 133.976454][T11551] ? kvm_unregister_device_ops+0x90/0x90 [ 133.982111][T11551] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 133.988382][T11551] ? tomoyo_path_number_perm+0x24e/0x590 [ 133.994026][T11551] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 133.999850][T11551] ? __sanitizer_cov_trace_switch+0x63/0xf0 [ 134.005763][T11551] ? __sanitizer_cov_trace_const_cmp2+0x22/0x80 [ 134.012099][T11551] ? do_vfs_ioctl+0x132/0x15d0 [ 134.016868][T11551] ? vfs_fileattr_set+0xbe0/0xbe0 [ 134.021905][T11551] ? lock_downgrade+0x6e0/0x6e0 [ 134.026769][T11551] ? __fget_files+0x23d/0x3e0 [ 134.031452][T11551] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 134.037695][T11551] ? kvm_unregister_device_ops+0x90/0x90 [ 134.043336][T11551] __x64_sys_ioctl+0x193/0x200 [ 134.048198][T11551] do_syscall_64+0x35/0xb0 [ 134.052709][T11551] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 134.058606][T11551] RIP: 0033:0x7f86c24b5959 [ 134.063022][T11551] 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 [ 134.082770][T11551] RSP: 002b:00007f86c2446318 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 134.091251][T11551] RAX: ffffffffffffffda RBX: 00007f86c253d418 RCX: 00007f86c24b5959 [ 134.099240][T11551] RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000004 [ 134.107214][T11551] RBP: 00007f86c253d410 R08: 00007f86c2446700 R09: 0000000000000000 [ 134.115184][T11551] R10: 00007f86c2446700 R11: 0000000000000246 R12: 6d766b2f7665642f [ 134.123158][T11551] R13: 00007fffbbdd77df R14: 00007f86c2446400 R15: 0000000000022000 [ 134.131516][T11551] Kernel Offset: disabled [ 134.136051][T11551] Rebooting in 86400 seconds..