Starting getty on tty2-tty6 if dbus and logind are not available... Starting OpenBSD Secure Shell server... [ OK ] Started Regular background program processing daemon. Starting System Logging Service... Starting Permit User Sessions... [ OK ] Found device /dev/ttyS0. [ OK ] Started System Logging Service. [ OK ] Started Permit User Sessions. [ OK ] Started OpenBSD Secure Shell server. [ OK ] Started getty on tty2-tty6 if dbus and logind are not available. [ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty1. [ OK ] Started Getty on tty2. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.28' (ECDSA) to the list of known hosts. syzkaller login: [ 65.320130][ T29] audit: type=1400 audit(1590349887.287:8): avc: denied { execmem } for pid=7053 comm="syz-executor313" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 65.342365][ T7061] IPVS: ftp: loaded support on port[0] = 21 [ 65.360509][ T7060] IPVS: ftp: loaded support on port[0] = 21 [ 65.381113][ T7062] IPVS: ftp: loaded support on port[0] = 21 [ 65.381160][ T7064] IPVS: ftp: loaded support on port[0] = 21 [ 65.393682][ T7065] IPVS: ftp: loaded support on port[0] = 21 [ 65.396533][ T7063] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 68.041479][ T8102] ------------[ cut here ]------------ [ 68.046966][ T8102] DEBUG_LOCKS_WARN_ON(1) [ 68.047059][ T8102] WARNING: CPU: 1 PID: 8102 at kernel/locking/lockdep.c:183 __lock_acquire+0x1a51/0x4c50 [ 68.061593][ T8102] Kernel panic - not syncing: panic_on_warn set ... [ 68.068151][ T8102] CPU: 1 PID: 8102 Comm: syz-executor313 Not tainted 5.7.0-rc6-syzkaller #0 [ 68.076787][ T8102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.086830][ T8102] Call Trace: [ 68.090103][ T8102] dump_stack+0x188/0x20d [ 68.094414][ T8102] ? __lock_acquire+0x1980/0x4c50 [ 68.099677][ T8102] panic+0x2e3/0x75c [ 68.103562][ T8102] ? add_taint.cold+0x16/0x16 [ 68.108224][ T8102] ? __probe_kernel_read+0x188/0x1d0 [ 68.113486][ T8102] ? __warn.cold+0x14/0x35 [ 68.117883][ T8102] ? __warn+0xd5/0x1c8 [ 68.121937][ T8102] ? __lock_acquire+0x1a51/0x4c50 [ 68.126932][ T8102] __warn.cold+0x2f/0x35 [ 68.131143][ T8102] ? __lock_acquire+0x1a51/0x4c50 [ 68.136149][ T8102] report_bug+0x27b/0x2f0 [ 68.140448][ T8102] do_error_trap+0x12b/0x220 [ 68.145440][ T8102] ? __lock_acquire+0x1a51/0x4c50 [ 68.150532][ T8102] do_invalid_op+0x32/0x40 [ 68.154924][ T8102] ? __lock_acquire+0x1a51/0x4c50 [ 68.159940][ T8102] invalid_op+0x23/0x30 [ 68.164123][ T8102] RIP: 0010:__lock_acquire+0x1a51/0x4c50 [ 68.169905][ T8102] Code: 90 ca 89 8a e8 10 d6 57 00 8b 0d da 8a 30 09 85 c9 0f 85 7e ed ff ff 48 c7 c6 40 98 2b 88 48 c7 c7 c0 97 2b 88 e8 37 2f eb ff <0f> 0b 31 d2 e9 6f ec ff ff 8b 94 24 58 01 00 00 85 d2 0f 84 6f 03 [ 68.190204][ T8102] RSP: 0018:ffffc90002a57610 EFLAGS: 00010086 [ 68.196274][ T8102] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000000000 [ 68.204224][ T8102] RDX: 0000000040000000 RSI: ffffffff815ce7f1 RDI: fffff5200054aeb4 [ 68.212170][ T8102] RBP: 000000000000062b R08: ffff888094b78480 R09: fffffbfff13366fd [ 68.220113][ T8102] R10: ffffffff899b37e3 R11: fffffbfff13366fc R12: ffff888094b78480 [ 68.228067][ T8102] R13: 000000000000002b R14: 0000000000000001 R15: dffffc0000000000 [ 68.236048][ T8102] ? vprintk_func+0x81/0x17e [ 68.240633][ T8102] ? mark_held_locks+0xe0/0xe0 [ 68.245412][ T8102] ? bpf_ksym_find+0x177/0x1c0 [ 68.250165][ T8102] ? mark_held_locks+0xe0/0xe0 [ 68.254902][ T8102] ? is_bpf_text_address+0xcb/0x160 [ 68.260164][ T8102] lock_acquire+0x1f2/0x8f0 [ 68.264654][ T8102] ? finish_task_switch+0x119/0x750 [ 68.270515][ T8102] ? lock_release+0x800/0x800 [ 68.276550][ T8102] ? find_held_lock+0x2d/0x110 [ 68.281382][ T8102] ? __schedule+0x894/0x1ff0 [ 68.286028][ T8102] ? lock_downgrade+0x840/0x840 [ 68.290869][ T8102] finish_task_switch+0x13f/0x750 [ 68.296242][ T8102] ? finish_task_switch+0x119/0x750 [ 68.301413][ T8102] __schedule+0x93f/0x1ff0 [ 68.305800][ T8102] ? print_usage_bug+0x240/0x240 [ 68.310848][ T8102] ? __sched_text_start+0x8/0x8 [ 68.315676][ T8102] ? mark_held_locks+0x9f/0xe0 [ 68.320432][ T8102] preempt_schedule_irq+0xb0/0x150 [ 68.325630][ T8102] retint_kernel+0x1b/0x2b [ 68.330220][ T8102] RIP: 0010:lock_acquire+0x267/0x8f0 [ 68.335484][ T8102] Code: 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 c6 05 00 00 48 83 3d c5 36 3b 08 00 0f 84 65 04 00 00 48 8b 3c 24 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 03 44 24 08 48 c7 [ 68.355328][ T8102] RSP: 0018:ffffc90002a57a70 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 68.363900][ T8102] RAX: 1ffffffff132980c RBX: ffff888094b78480 RCX: dffffc0000000000 [ 68.371875][ T8102] RDX: dffffc0000000000 RSI: ffffffff8c336c98 RDI: 0000000000000282 [ 68.380093][ T8102] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001 [ 68.388227][ T8102] R10: ffffffff8c46846f R11: fffffbfff188d08d R12: 0000000000000000 [ 68.396176][ T8102] R13: ffff8880963ad138 R14: 0000000000000000 R15: 0000000000000000 [ 68.404142][ T8102] ? lock_release+0x800/0x800 [ 68.408791][ T8102] ? lockdep_init_map_waits+0x26a/0x890 [ 68.414312][ T8102] ? lockdep_init_map_waits+0x26a/0x890 [ 68.419844][ T8102] ? __raw_spin_lock_init+0x34/0x100 [ 68.425187][ T8102] flush_workqueue+0x11f/0x14f0 [ 68.430014][ T8102] ? flush_workqueue+0xf0/0x14f0 [ 68.434925][ T8102] ? find_held_lock+0x2d/0x110 [ 68.439745][ T8102] ? pwq_unbound_release_workfn+0x2d0/0x2d0 [ 68.445616][ T8102] ? mgmt_index_removed+0x183/0x2c0 [ 68.451158][ T8102] ? hci_dev_open+0xdb/0x280 [ 68.455808][ T8102] hci_dev_open+0xdb/0x280 [ 68.460211][ T8102] hci_sock_bind+0x427/0x1140 [ 68.464865][ T8102] ? hci_sock_compat_ioctl+0x80/0x80 [ 68.470278][ T8102] __sys_bind+0x20e/0x250 [ 68.475186][ T8102] ? __ia32_sys_socketpair+0xf0/0xf0 [ 68.480544][ T8102] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 68.486496][ T8102] ? __x64_sys_futex+0x376/0x4f0 [ 68.491489][ T8102] ? __x64_sys_futex+0x380/0x4f0 [ 68.496430][ T8102] ? fput_many+0x2f/0x1a0 [ 68.500728][ T8102] ? switch_fpu_return+0x1db/0x4b0 [ 68.505809][ T8102] ? fpregs_mark_activate+0x320/0x320 [ 68.511149][ T8102] ? fpregs_mark_activate+0x320/0x320 [ 68.516512][ T8102] ? trace_hardirqs_off_caller+0x55/0x230 [ 68.522212][ T8102] __x64_sys_bind+0x6f/0xb0 [ 68.526864][ T8102] ? lockdep_hardirqs_on+0x463/0x620 [ 68.532120][ T8102] do_syscall_64+0xf6/0x7d0 [ 68.536596][ T8102] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 68.542460][ T8102] RIP: 0033:0x446a49 [ 68.546336][ T8102] Code: e8 6c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 68.567151][ T8102] RSP: 002b:00007fee9966ad88 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 [ 68.575561][ T8102] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446a49 [ 68.583506][ T8102] RDX: 0000000000000006 RSI: 0000000020000080 RDI: 0000000000000005 [ 68.591470][ T8102] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 68.599410][ T8102] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 68.607360][ T8102] R13: 00007fff6037e90f R14: 00007fee9966b9c0 R15: 0000000000000064 [ 69.709006][ T8102] Shutting down cpus with NMI [ 69.714911][ T8102] Kernel Offset: disabled [ 69.719224][ T8102] Rebooting in 86400 seconds..