Warning: Permanently added '10.128.0.46' (ECDSA) to the list of known hosts. syzkaller login: [ 36.130512] audit: type=1400 audit(1596169887.500:8): avc: denied { execmem } for pid=6355 comm="syz-executor571" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 36.416016] IPVS: ftp: loaded support on port[0] = 21 executing program [ 40.282571] Bluetooth: hci0 command 0x0409 tx timeout [ 42.360775] Bluetooth: hci0 command 0x041b tx timeout [ 43.246874] ODEBUG: assert_init not available (active state 0) object type: timer_list hint: (null) [ 43.257212] ------------[ cut here ]------------ [ 43.262160] WARNING: CPU: 1 PID: 6384 at lib/debugobjects.c:287 debug_print_object.cold+0xa7/0xdb [ 43.271162] Kernel panic - not syncing: panic_on_warn set ... [ 43.271162] [ 43.278521] CPU: 1 PID: 6384 Comm: syz-executor571 Not tainted 4.14.190-syzkaller #0 [ 43.286417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.295746] Call Trace: [ 43.298312] dump_stack+0x1b2/0x283 [ 43.301922] panic+0x1f9/0x42d [ 43.305105] ? add_taint.cold+0x16/0x16 [ 43.309064] ? debug_print_object.cold+0xa7/0xdb [ 43.313804] ? debug_print_object.cold+0xa7/0xdb [ 43.318548] __warn.cold+0x20/0x4b [ 43.322074] ? ist_end_non_atomic+0x10/0x10 [ 43.326388] ? debug_print_object.cold+0xa7/0xdb [ 43.331118] report_bug+0x208/0x249 [ 43.334739] do_error_trap+0x195/0x2d0 [ 43.338601] ? math_error+0x2d0/0x2d0 [ 43.342375] ? ___preempt_schedule+0x16/0x18 [ 43.346760] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 43.351580] invalid_op+0x1b/0x40 [ 43.355444] RIP: 0010:debug_print_object.cold+0xa7/0xdb [ 43.360866] RSP: 0018:ffff888097a67598 EFLAGS: 00010086 [ 43.366205] RAX: 0000000000000061 RBX: 0000000000000005 RCX: 0000000000000000 [ 43.373450] RDX: 0000000000000000 RSI: ffffffff86ac0dc0 RDI: ffffed1012f4cea9 [ 43.380697] RBP: ffffffff86abc080 R08: 0000000000000061 R09: 0000000000000003 [ 43.387946] R10: 0000000000000000 R11: ffff888096d023c0 R12: 0000000000000000 [ 43.395193] R13: 0000000000000000 R14: ffff888097c44ab0 R15: 1ffff11012f4cebc [ 43.402454] ? debug_print_object.cold+0xa7/0xdb [ 43.407186] debug_object_assert_init+0x1d3/0x2d0 [ 43.412011] ? debug_object_active_state+0x330/0x330 [ 43.417089] ? __queue_work+0x517/0xf70 [ 43.421039] ? ___preempt_schedule+0x16/0x18 [ 43.425427] del_timer+0x5d/0xe0 [ 43.428770] ? process_timeout+0x20/0x20 [ 43.432820] ? _raw_spin_unlock+0x3b/0x40 [ 43.437046] ? __queue_work+0x517/0xf70 [ 43.441000] try_to_grab_pending+0x243/0x610 [ 43.445382] __cancel_work+0x68/0x240 [ 43.449157] ? try_to_grab_pending+0x610/0x610 [ 43.453717] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 43.458706] ? queue_delayed_work_on+0xfc/0x1d0 [ 43.463350] l2cap_chan_del+0x465/0x800 [ 43.467301] l2cap_chan_close+0xd5/0x770 [ 43.471340] ? __set_monitor_timer+0x110/0x110 [ 43.475897] ? wait_for_completion_io+0x10/0x10 [ 43.480542] ? __local_bh_enable_ip+0xc1/0x170 [ 43.485102] l2cap_sock_shutdown+0x74e/0xa60 [ 43.489497] ? do_exit+0xa03/0x27f0 [ 43.493098] ? do_group_exit+0x100/0x2e0 [ 43.497133] ? get_signal+0x38d/0x1ca0 [ 43.500993] ? l2cap_skb_msg_name+0x120/0x120 [ 43.505463] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 43.510818] ? trace_hardirqs_on+0x10/0x10 [ 43.515027] ? l2cap_sock_release+0x56/0x180 [ 43.519427] ? lock_downgrade+0x740/0x740 [ 43.523554] l2cap_sock_release+0x63/0x180 [ 43.527767] __sock_release+0xcd/0x2b0 [ 43.531645] ? __sock_release+0x2b0/0x2b0 [ 43.535779] sock_close+0x15/0x20 [ 43.539205] __fput+0x25f/0x7a0 [ 43.542483] task_work_run+0x11f/0x190 [ 43.546616] do_exit+0xa08/0x27f0 [ 43.550059] ? trace_hardirqs_on+0x10/0x10 [ 43.554301] ? mm_update_next_owner+0x5b0/0x5b0 [ 43.558967] ? get_signal+0x323/0x1ca0 [ 43.562927] ? lock_acquire+0x170/0x3f0 [ 43.566881] ? lock_downgrade+0x740/0x740 [ 43.571010] do_group_exit+0x100/0x2e0 [ 43.575053] get_signal+0x38d/0x1ca0 [ 43.578757] do_signal+0x7c/0x1550 [ 43.582272] ? __local_bh_enable_ip+0xc1/0x170 [ 43.586832] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 43.591840] ? l2cap_sock_connect+0x2f9/0x4f0 [ 43.596323] ? __local_bh_enable_ip+0xc1/0x170 [ 43.600889] ? setup_sigcontext+0x820/0x820 [ 43.605362] ? l2cap_sock_accept+0x440/0x440 [ 43.609744] ? security_socket_connect+0x83/0xb0 [ 43.614478] ? l2cap_sock_accept+0x440/0x440 [ 43.618863] ? SyS_connect+0xf6/0x240 [ 43.622639] ? SyS_accept+0x30/0x30 [ 43.626244] ? exit_to_usermode_loop+0x41/0x200 [ 43.630889] exit_to_usermode_loop+0x160/0x200 [ 43.635452] do_syscall_64+0x4a3/0x640 [ 43.639331] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 43.644498] RIP: 0033:0x446d69 [ 43.647666] RSP: 002b:00007ffd8c2e31c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 43.655347] RAX: fffffffffffffffc RBX: 0000000000000003 RCX: 0000000000446d69 [ 43.662612] RDX: 000000000000000e RSI: 0000000020000040 RDI: 0000000000000004 [ 43.669857] RBP: 00007ffd8c2e3200 R08: 0000000000000000 R09: 00000000000000ff [ 43.677098] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000004 [ 43.684439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 43.692980] Kernel Offset: disabled [ 43.696637] Rebooting in 86400 seconds..