general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] CPU: 1 PID: 8066 Comm: kworker/u5:2 Not tainted 5.8.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: hci4 hci_rx_work RIP: 0010:hci_phy_link_complete_evt net/bluetooth/hci_event.c:4926 [inline] RIP: 0010:hci_event_packet+0x8386/0x18260 net/bluetooth/hci_event.c:6180 Code: c1 e8 03 49 be 00 00 00 00 00 fc ff df 42 80 3c 30 00 74 08 48 89 df e8 58 9a 5e fa 48 8b 1b 48 83 c3 10 48 89 d8 48 c1 e8 03 <42> 80 3c 30 00 74 08 48 89 df e8 3b 9a 5e fa 48 8b 1b 48 89 d8 48 RSP: 0018:ffffc9001730fac8 EFLAGS: 00010202 RAX: 0000000000000002 RBX: 0000000000000010 RCX: dffffc0000000000 RDX: ffff8880a8a2a1c0 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff88804ec70000 R08: ffffffff875506b4 R09: fffffbfff131a9a6 R10: fffffbfff131a9a6 R11: 0000000000000000 R12: ffff888054ff8010 R13: ffff888054ff9110 R14: dffffc0000000000 R15: ffff888054ff8000 FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000768000 CR3: 00000000942cc000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hci_rx_work+0x236/0x9c0 net/bluetooth/hci_core.c:4705 process_one_work+0x789/0xfc0 kernel/workqueue.c:2269 worker_thread+0xaa4/0x1460 kernel/workqueue.c:2415 kthread+0x37e/0x3a0 drivers/block/aoe/aoecmd.c:1234 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293 Modules linked in: ---[ end trace bfff385b4bfdf2cb ]--- RIP: 0010:hci_phy_link_complete_evt net/bluetooth/hci_event.c:4926 [inline] RIP: 0010:hci_event_packet+0x8386/0x18260 net/bluetooth/hci_event.c:6180 Code: c1 e8 03 49 be 00 00 00 00 00 fc ff df 42 80 3c 30 00 74 08 48 89 df e8 58 9a 5e fa 48 8b 1b 48 83 c3 10 48 89 d8 48 c1 e8 03 <42> 80 3c 30 00 74 08 48 89 df e8 3b 9a 5e fa 48 8b 1b 48 89 d8 48 RSP: 0018:ffffc9001730fac8 EFLAGS: 00010202 RAX: 0000000000000002 RBX: 0000000000000010 RCX: dffffc0000000000 RDX: ffff8880a8a2a1c0 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff88804ec70000 R08: ffffffff875506b4 R09: fffffbfff131a9a6 R10: fffffbfff131a9a6 R11: 0000000000000000 R12: ffff888054ff8010 R13: ffff888054ff9110 R14: dffffc0000000000 R15: ffff888054ff8000 FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000742138 CR3: 000000009162b000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400