Warning: Permanently added '10.128.1.3' (ECDSA) to the list of known hosts. syzkaller login: [ 41.637724] audit: type=1400 audit(1602645511.683:8): avc: denied { execmem } for pid=6488 comm="syz-executor714" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 42.718640] IPVS: ftp: loaded support on port[0] = 21 executing program [ 42.789581] kasan: CONFIG_KASAN_INLINE enabled [ 42.794532] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 42.802176] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 42.808416] CPU: 1 PID: 6496 Comm: kworker/u5:2 Not tainted 4.19.150-syzkaller #0 [ 42.816126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.825487] Workqueue: hci0 hci_rx_work [ 42.829465] RIP: 0010:hci_event_packet+0x1f17/0x81b9 [ 42.834561] Code: 48 c1 ea 03 80 3c 02 00 0f 85 65 57 00 00 48 8b 9d 28 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 56 57 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b [ 42.853488] RSP: 0018:ffff8880891bfb00 EFLAGS: 00010202 [ 42.858889] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff86e93e8c [ 42.866158] RDX: 0000000000000002 RSI: ffffffff86e93e99 RDI: 0000000000000010 [ 42.873414] RBP: ffff8880880d6d00 R08: 0000000000000000 R09: 0000000000000000 [ 42.880672] R10: 0000000000000001 R11: 0000000000000003 R12: dffffc0000000000 [ 42.887931] R13: ffff8880a7495800 R14: ffff888084f6d100 R15: ffff888084f6e040 [ 42.895190] FS: 0000000000000000(0000) GS:ffff8880ae300000(0000) knlGS:0000000000000000 [ 42.903395] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.909267] CR2: 000055afbc9e4270 CR3: 000000009eabb000 CR4: 00000000001406e0 [ 42.916534] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.923799] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.931485] Call Trace: [ 42.934075] ? find_held_lock+0x2d/0x110 [ 42.938120] ? hci_conn_request_evt+0xbe0/0xbe0 [ 42.942766] ? match_held_lock+0x450/0x510 [ 42.947001] ? skb_dequeue+0x125/0x180 [ 42.950898] ? mark_held_locks+0xa6/0xf0 [ 42.954943] ? _raw_spin_unlock_irqrestore+0x7d/0xf0 [ 42.960031] ? lockdep_hardirqs_on+0x3c1/0x5e0 [ 42.964595] hci_rx_work+0x4c5/0xb50 [ 42.968291] process_one_work+0x796/0x14e0 [ 42.972519] ? init_worker_pool+0x5c0/0x5c0 [ 42.976824] worker_thread+0x64c/0x1130 [ 42.980790] ? __kthread_parkme+0x133/0x1e0 [ 42.985105] ? rescuer_thread+0xce0/0xce0 [ 42.989235] kthread+0x33f/0x460 [ 42.992582] ? kthread_park+0x180/0x180 [ 42.996540] ret_from_fork+0x24/0x30 [ 43.000237] Modules linked in: [ 43.007465] ---[ end trace 783d7b1997b62ad0 ]--- [ 43.012259] RIP: 0010:hci_event_packet+0x1f17/0x81b9 [ 43.017993] Code: 48 c1 ea 03 80 3c 02 00 0f 85 65 57 00 00 48 8b 9d 28 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 56 57 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b [ 43.037007] RSP: 0018:ffff8880891bfb00 EFLAGS: 00010202 [ 43.042397] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff86e93e8c [ 43.049783] RDX: 0000000000000002 RSI: ffffffff86e93e99 RDI: 0000000000000010 [ 43.057820] RBP: ffff8880880d6d00 R08: 0000000000000000 R09: 0000000000000000 [ 43.065161] R10: 0000000000000001 R11: 0000000000000003 R12: dffffc0000000000 [ 43.072447] R13: ffff8880a7495800 R14: ffff888084f6d100 R15: ffff888084f6e040 [ 43.079814] FS: 0000000000000000(0000) GS:ffff8880ae200000(0000) knlGS:0000000000000000 [ 43.088109] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.094089] CR2: 0000000020000040 CR3: 000000009fc58000 CR4: 00000000001406f0 [ 43.101407] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.108757] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 43.116118] Kernel panic - not syncing: Fatal exception [ 43.122658] Kernel Offset: disabled [ 43.126274] Rebooting in 86400 seconds..