syzbot suspects this issue was fixed by commit:
commit 6dfccd13db2ff2b709ef60a50163925d477549aa
Author: Anmol Karn
Date: Wed Sep 30 14:18:13 2020 +
Bluetooth: Fix null pointer dereference in hci_event_packet()
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14cb845b50
syzbot has bisected this issue to:
commit 43ea43b9d8b27b7acd443ec59319faa3cdb8a616
Author: Mauro Carvalho Chehab
Date: Wed Oct 12 11:21:43 2016 +
[media] radio-bcm2048: don't ignore errors
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1036e6a490
start commit: ac3a
