[ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty4. [ OK ] Started OpenBSD Secure Shell server. [ OK ] Started getty on tty2-tty6 if dbus and logind are not available. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.209' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 96.767854][ T6534] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 132.926561][T13815] ------------[ cut here ]------------ [ 132.933165][T13815] jump label: negative count! [ 132.937904][T13815] WARNING: CPU: 0 PID: 13815 at kernel/jump_label.c:235 __static_key_slow_dec_deferred+0x15c/0x1c0 [ 132.960464][T13815] Modules linked in: [ 132.964737][T13815] CPU: 1 PID: 13815 Comm: syz-executor314 Not tainted 5.15.0-rc1-syzkaller #0 [ 133.000730][T13815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 133.017959][T13815] RIP: 0010:__static_key_slow_dec_deferred+0x15c/0x1c0 [ 133.027169][T13815] Code: 00 00 4c 89 ea 4c 89 f9 5b 41 5c 41 5d 41 5e 41 5f 5d e9 07 7b aa ff e8 22 6a d8 ff 48 c7 c7 c0 95 59 8a 31 c0 e8 a4 9f a3 ff <0f> 0b e9 74 ff ff ff 48 c7 c1 04 c0 db 8d 80 e1 07 38 c1 0f 8c c3 executing program [ 133.049567][T13815] RSP: 0018:ffffc900059ff980 EFLAGS: 00010246 [ 133.060384][T13815] RAX: 09b9e7468ce69d00 RBX: 00000000ffffffff RCX: ffff88807bb79c80 [ 133.069131][T13815] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 133.080734][T13815] RBP: 00000000ffffffff R08: ffffffff81682012 R09: ffffed1017383f2c executing program [ 133.094066][T13815] R10: ffffed1017383f2c R11: 0000000000000000 R12: ffffffff8ddbdf78 [ 133.103342][T13815] R13: ffffffff8ddbdf90 R14: ffff88807b939e01 R15: 0000000000000064 [ 133.113505][T13815] FS: 00007fcb862dd700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 133.125145][T13815] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 133.139319][T13815] CR2: 00007ffd987b39c0 CR3: 0000000074a02000 CR4: 00000000001526e0 executing program [ 133.168348][T13815] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 133.197767][T13815] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 133.207969][T13815] Call Trace: [ 133.212833][T13815] kvm_free_lapic+0x9f/0x170 executing program executing program [ 133.217680][T13815] kvm_arch_vcpu_create+0x844/0x970 [ 133.226720][T13815] kvm_vm_ioctl+0x1400/0x2910 [ 133.233007][T13815] ? do_vfs_ioctl+0xcb2/0x2b90 [ 133.238068][T13815] ? __x64_compat_sys_ioctl+0x80/0x80 [ 133.250070][T13815] ? rcu_lock_release+0x5/0x20 [ 133.257353][T13815] ? kvm_device_release+0x1f0/0x1f0 [ 133.282872][T13815] ? slab_free_freelist_hook+0x129/0x1a0 [ 133.289702][T13815] ? tomoyo_path_number_perm+0x5f1/0x7c0 [ 133.297908][T13815] ? kfree+0xcf/0x2f0 [ 133.303181][T13815] ? tomoyo_path_number_perm+0x65a/0x7c0 [ 133.309187][T13815] ? tomoyo_check_path_acl+0x1c0/0x1c0 [ 133.318839][T13815] ? memset+0x1f/0x40 [ 133.324057][T13815] ? smack_file_ioctl+0x34c/0x3a0 executing program [ 133.332139][T13815] ? smack_file_alloc_security+0xd0/0xd0 [ 133.341410][T13815] ? __fget_files+0x35a/0x390 [ 133.346787][T13815] ? bpf_lsm_file_ioctl+0x5/0x10 [ 133.354276][T13815] ? security_file_ioctl+0x9d/0xb0 [ 133.359725][T13815] ? kvm_device_release+0x1f0/0x1f0 [ 133.367094][T13815] __se_sys_ioctl+0xfb/0x170 [ 133.373504][T13815] do_syscall_64+0x44/0xd0 [ 133.378745][T13815] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 133.386711][T13815] RIP: 0033:0x445829 [ 133.391733][T13815] 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 [ 133.412530][T13815] RSP: 002b:00007fcb862dd318 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 133.431589][T13815] RAX: ffffffffffffffda RBX: 00000000004ca438 RCX: 0000000000445829 [ 133.452232][T13815] RDX: 0000000000000001 RSI: 000000000000ae41 RDI: 0000000000000004 [ 133.461953][T13815] RBP: 00000000004ca430 R08: 00007fcb862dd700 R09: 0000000000000000 [ 133.472602][T13815] R10: 00007fcb862dd700 R11: 0000000000000246 R12: 6d766b2f7665642f [ 133.482141][T13815] R13: 00007ffd9870a15f R14: 00007fcb862dd400 R15: 0000000000022000 [ 133.490896][T13857] ------------[ cut here ]------------ [ 133.493651][T13815] Kernel panic - not syncing: panic_on_warn set ... [ 133.496520][T13857] jump label: negative count! [ 133.502936][T13815] CPU: 1 PID: 13815 Comm: syz-executor314 Not tainted 5.15.0-rc1-syzkaller #0 [ 133.502956][T13815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 133.502966][T13815] Call Trace: [ 133.502976][T13815] dump_stack_lvl+0x1dc/0x2d8 [ 133.503001][T13815] ? show_regs_print_info+0x12/0x12 [ 133.503017][T13815] ? log_buf_vmcoreinfo_setup+0x498/0x498 [ 133.503050][T13815] panic+0x2d6/0x810 [ 133.503075][T13815] ? __warn+0x13e/0x270 [ 133.503091][T13815] ? nmi_panic+0x90/0x90 [ 133.503123][T13815] __warn+0x26a/0x270 [ 133.521025][T13857] WARNING: CPU: 0 PID: 13857 at kernel/jump_label.c:235 __static_key_slow_dec_deferred+0x15c/0x1c0 [ 133.526648][T13815] ? __static_key_slow_dec_deferred+0x15c/0x1c0 [ 133.526675][T13815] ? __static_key_slow_dec_deferred+0x15c/0x1c0 [ 133.526694][T13815] report_bug+0x1b1/0x2e0 [ 133.526721][T13815] handle_bug+0x3d/0x70 [ 133.541277][T13857] Modules linked in: [ 133.545519][T13815] exc_invalid_op+0x16/0x40 [ 133.545546][T13815] asm_exc_invalid_op+0x12/0x20 [ 133.545566][T13815] RIP: 0010:__static_key_slow_dec_deferred+0x15c/0x1c0 [ 133.545589][T13815] Code: 00 00 4c 89 ea 4c 89 f9 5b 41 5c 41 5d 41 5e 41 5f 5d e9 07 7b aa ff e8 22 6a d8 ff 48 c7 c7 c0 95 59 8a 31 c0 e8 a4 9f a3 ff <0f> 0b e9 74 ff ff ff 48 c7 c1 04 c0 db 8d 80 e1 07 38 c1 0f 8c c3 [ 133.555048][T13857] [ 133.557822][T13815] RSP: 0018:ffffc900059ff980 EFLAGS: 00010246 [ 133.557843][T13815] RAX: 09b9e7468ce69d00 RBX: 00000000ffffffff RCX: ffff88807bb79c80 [ 133.557857][T13815] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 133.557870][T13815] RBP: 00000000ffffffff R08: ffffffff81682012 R09: ffffed1017383f2c [ 133.557883][T13815] R10: ffffed1017383f2c R11: 0000000000000000 R12: ffffffff8ddbdf78 [ 133.589414][T13857] CPU: 0 PID: 13857 Comm: syz-executor314 Not tainted 5.15.0-rc1-syzkaller #0 [ 133.589444][T13815] R13: ffffffff8ddbdf90 R14: ffff88807b939e01 R15: 0000000000000064 [ 133.605740][T13857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 133.606786][T13815] ? wake_up_klogd+0xb2/0xf0 [ 133.606826][T13815] kvm_free_lapic+0x9f/0x170 [ 133.640865][T13857] RIP: 0010:__static_key_slow_dec_deferred+0x15c/0x1c0 [ 133.641700][T13815] kvm_arch_vcpu_create+0x844/0x970 [ 133.641733][T13815] kvm_vm_ioctl+0x1400/0x2910 [ 133.653732][T13869] ------------[ cut here ]------------ [ 133.657678][T13815] ? do_vfs_ioctl+0xcb2/0x2b90 [ 133.657711][T13815] ? __x64_compat_sys_ioctl+0x80/0x80 [ 133.657728][T13815] ? rcu_lock_release+0x5/0x20 [ 133.682231][T13869] jump label: negative count! [ 133.682470][T13815] ? kvm_device_release+0x1f0/0x1f0 [ 133.697565][T13857] Code: 00 00 4c 89 ea 4c 89 f9 5b 41 5c 41 5d 41 5e 41 5f 5d e9 07 7b aa ff e8 22 6a d8 ff 48 c7 c7 c0 95 59 8a 31 c0 e8 a4 9f a3 ff <0f> 0b e9 74 ff ff ff 48 c7 c1 04 c0 db 8d 80 e1 07 38 c1 0f 8c c3 [ 133.700643][T13815] ? slab_free_freelist_hook+0x129/0x1a0 [ 133.700675][T13815] ? tomoyo_path_number_perm+0x5f1/0x7c0 [ 133.700693][T13815] ? kfree+0xcf/0x2f0 [ 133.700715][T13815] ? tomoyo_path_number_perm+0x65a/0x7c0 [ 133.700742][T13815] ? tomoyo_check_path_acl+0x1c0/0x1c0 [ 133.700781][T13815] ? memset+0x1f/0x40 [ 133.709760][T13872] ------------[ cut here ]------------ [ 133.709918][T13815] ? smack_file_ioctl+0x34c/0x3a0 [ 133.716921][T13872] jump label: negative count! [ 133.721951][T13815] ? smack_file_alloc_security+0xd0/0xd0 [ 133.721986][T13815] ? __fget_files+0x35a/0x390 [ 133.722010][T13815] ? bpf_lsm_file_ioctl+0x5/0x10 [ 133.722027][T13815] ? security_file_ioctl+0x9d/0xb0 [ 133.722054][T13815] ? kvm_device_release+0x1f0/0x1f0 [ 133.722069][T13815] __se_sys_ioctl+0xfb/0x170 [ 133.722090][T13815] do_syscall_64+0x44/0xd0 [ 133.738924][T13857] RSP: 0018:ffffc90005d0f980 EFLAGS: 00010246 [ 133.742290][T13815] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 133.742316][T13815] RIP: 0033:0x445829 [ 133.742332][T13815] 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 [ 133.742346][T13815] RSP: 002b:00007fcb862dd318 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 133.742368][T13815] RAX: ffffffffffffffda RBX: 00000000004ca438 RCX: 0000000000445829 [ 133.742379][T13815] RDX: 0000000000000001 RSI: 000000000000ae41 RDI: 0000000000000004 [ 133.742389][T13815] RBP: 00000000004ca430 R08: 00007fcb862dd700 R09: 0000000000000000 [ 133.742401][T13815] R10: 00007fcb862dd700 R11: 0000000000000246 R12: 6d766b2f7665642f [ 133.759950][T13872] WARNING: CPU: 0 PID: 13872 at kernel/jump_label.c:235 __static_key_slow_dec_deferred+0x15c/0x1c0 [ 133.776569][T13815] R13: 00007ffd9870a15f R14: 00007fcb862dd400 R15: 0000000000022000 [ 133.782567][T13815] Kernel Offset: disabled [ 133.954961][T13815] Rebooting in 86400 seconds..