Warning: Permanently added '10.128.0.82' (ECDSA) to the list of known hosts. syzkaller login: [ 73.991036][ T8478] IPVS: ftp: loaded support on port[0] = 21 executing program [ 74.062903][ T8483] general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN [ 74.074780][ T8483] KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] [ 74.083379][ T8483] CPU: 1 PID: 8483 Comm: kworker/u5:2 Not tainted 5.10.0-rc5-syzkaller #0 [ 74.091849][ T8483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.102318][ T8483] Workqueue: hci0 hci_rx_work [ 74.106973][ T8483] RIP: 0010:hci_phy_link_complete_evt.isra.0+0x24d/0x920 [ 74.113966][ T8483] Code: 48 c1 ea 03 80 3c 02 00 0f 85 57 06 00 00 48 8b 9d 30 09 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 75 06 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b [ 74.133654][ T8483] RSP: 0018:ffffc900015efa58 EFLAGS: 00010202 [ 74.139704][ T8483] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff87e06662 [ 74.147650][ T8483] RDX: 0000000000000002 RSI: ffffffff87e0666f RDI: 0000000000000010 [ 74.155605][ T8483] RBP: ffff888018bd6000 R08: 0000000000000000 R09: 0000000000000000 [ 74.163638][ T8483] R10: 0000000000000000 R11: 0000000000000000 R12: 00000000000000c9 [ 74.171584][ T8483] R13: dffffc0000000000 R14: ffff888024791140 R15: ffff8880146f280b [ 74.179531][ T8483] FS: 0000000000000000(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 [ 74.188432][ T8483] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.195004][ T8483] CR2: 00007fb42c4696c0 CR3: 00000000121ac000 CR4: 00000000001506e0 [ 74.203092][ T8483] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.211044][ T8483] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.218993][ T8483] Call Trace: [ 74.222367][ T8483] hci_event_packet+0x18e2/0x7d60 [ 74.227373][ T8483] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 74.233326][ T8483] ? lock_chain_count+0x20/0x20 [ 74.238163][ T8483] ? hci_le_meta_evt+0x4400/0x4400 [ 74.243251][ T8483] ? find_held_lock+0x2d/0x110 [ 74.247990][ T8483] ? skb_dequeue+0x125/0x180 [ 74.252551][ T8483] ? mark_held_locks+0x9f/0xe0 [ 74.257297][ T8483] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 74.263077][ T8483] ? lockdep_hardirqs_on+0x79/0x100 [ 74.268246][ T8483] hci_rx_work+0x511/0xd30 [ 74.272635][ T8483] process_one_work+0x933/0x15a0 [ 74.277556][ T8483] ? lock_release+0x710/0x710 [ 74.282206][ T8483] ? pwq_dec_nr_in_flight+0x320/0x320 [ 74.287551][ T8483] ? rwlock_bug.part.0+0x90/0x90 [ 74.292459][ T8483] ? _raw_spin_lock_irq+0x41/0x50 [ 74.297456][ T8483] worker_thread+0x64c/0x1120 [ 74.302108][ T8483] ? __kthread_parkme+0x13f/0x1e0 [ 74.307114][ T8483] ? process_one_work+0x15a0/0x15a0 [ 74.312295][ T8483] kthread+0x3b1/0x4a0 [ 74.317044][ T8483] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 74.322926][ T8483] ret_from_fork+0x1f/0x30 [ 74.327333][ T8483] Modules linked in: [ 74.331861][ T8483] ---[ end trace e01e140bc4fc569f ]--- [ 74.337738][ T8483] RIP: 0010:hci_phy_link_complete_evt.isra.0+0x24d/0x920 [ 74.344817][ T8483] Code: 48 c1 ea 03 80 3c 02 00 0f 85 57 06 00 00 48 8b 9d 30 09 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 75 06 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b [ 74.364594][ T8483] RSP: 0018:ffffc900015efa58 EFLAGS: 00010202 [ 74.370736][ T8483] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff87e06662 [ 74.378762][ T8483] RDX: 0000000000000002 RSI: ffffffff87e0666f RDI: 0000000000000010 [ 74.386739][ T8483] RBP: ffff888018bd6000 R08: 0000000000000000 R09: 0000000000000000 [ 74.394747][ T8483] R10: 0000000000000000 R11: 0000000000000000 R12: 00000000000000c9 [ 74.403106][ T8483] R13: dffffc0000000000 R14: ffff888024791140 R15: ffff8880146f280b [ 74.411448][ T8483] FS: 0000000000000000(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 [ 74.420466][ T8483] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.427067][ T8483] CR2: 0000000020000040 CR3: 0000000017a04000 CR4: 00000000001506f0 [ 74.435124][ T8483] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.443260][ T8483] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.451249][ T8483] Kernel panic - not syncing: Fatal exception [ 74.457967][ T8483] Kernel Offset: disabled [ 74.462323][ T8483] Rebooting in 86400 seconds..