Warning: Permanently added '10.128.0.111' (ECDSA) to the list of known hosts. syzkaller login: [ 33.702838] audit: type=1400 audit(1596383696.268:8): avc: denied { execmem } for pid=6343 comm="syz-executor354" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 33.970762] IPVS: ftp: loaded support on port[0] = 21 executing program [ 35.771123] kasan: CONFIG_KASAN_INLINE enabled [ 35.775861] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 35.784249] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 35.791046] Modules linked in: [ 35.794332] CPU: 0 PID: 1201 Comm: kworker/u5:0 Not tainted 4.14.191-syzkaller #0 [ 35.802125] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.811568] Workqueue: hci0 hci_rx_work [ 35.815779] task: ffff8880a7a1e680 task.stack: ffff8880a7a28000 [ 35.821919] RIP: 0010:hci_phy_link_complete_evt.isra.0+0x1f3/0x6c0 [ 35.828634] RSP: 0018:ffff8880a7a2fad0 EFLAGS: 00010202 [ 35.835538] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffff11014f43df0 [ 35.843055] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000010 [ 35.850312] RBP: ffff88809787cc00 R08: 0000000000000000 R09: 0000000000000003 [ 35.858165] R10: 0000000000000000 R11: ffff8880a7a1e680 R12: ffff88809e57d768 [ 35.865430] R13: 00000000000000c8 R14: ffff8880978d3d4b R15: ffff88809e57c810 [ 35.872705] FS: 0000000000000000(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 [ 35.881282] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.888299] CR2: 00007f756a6a26c0 CR3: 000000008d0b2000 CR4: 00000000001406f0 [ 35.895759] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 35.903205] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 35.910560] Call Trace: [ 35.913209] ? static_obj+0x50/0x50 [ 35.918272] hci_event_packet+0x2592/0x7c7a [ 35.922938] ? trace_hardirqs_on+0x10/0x10 [ 35.927611] ? hci_cmd_complete_evt+0x9590/0x9590 [ 35.932954] ? trace_hardirqs_on+0x10/0x10 [ 35.937632] ? trace_hardirqs_on+0x10/0x10 [ 35.941968] ? debug_object_deactivate+0x1da/0x2e0 [ 35.946960] ? trace_hardirqs_on+0x10/0x10 [ 35.951379] ? skb_dequeue+0x120/0x170 [ 35.955905] ? mark_held_locks+0xa6/0xf0 [ 35.960529] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 35.965765] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 35.970792] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 35.976424] hci_rx_work+0x3e6/0x970 [ 35.980171] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 35.985713] process_one_work+0x793/0x14a0 [ 35.990147] ? work_busy+0x320/0x320 [ 35.993866] ? worker_thread+0x158/0xff0 [ 35.998061] ? _raw_spin_unlock_irq+0x24/0x80 [ 36.002652] worker_thread+0x5cc/0xff0 [ 36.006626] ? rescuer_thread+0xc80/0xc80 [ 36.010772] kthread+0x30d/0x420 [ 36.014146] ? kthread_create_on_node+0xd0/0xd0 [ 36.019141] ret_from_fork+0x24/0x30 [ 36.022883] Code: fa 48 c1 ea 03 80 3c 02 00 0f 85 dd 04 00 00 48 8b 9d 40 08 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 10 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 a0 04 00 00 48 b8 00 00 00 00 00 fc ff df 48 [ 36.043199] RIP: hci_phy_link_complete_evt.isra.0+0x1f3/0x6c0 RSP: ffff8880a7a2fad0 [ 36.051551] ---[ end trace a10226ec9a8e727e ]--- [ 36.056336] Kernel panic - not syncing: Fatal exception [ 36.063467] Kernel Offset: disabled [ 36.068051] Rebooting in 86400 seconds..