==================================================================
BUG: KASAN: null-ptr-deref in instrument_atomic_write include/linux/instrumented.h:71 [inline]
BUG: KASAN: null-ptr-deref in set_bit include/asm-generic/bitops/instrumented-atomic.h:28 [inline]
BUG: KASAN: null-ptr-deref in amp_read_loc_assoc_final_data+0x115/0x260 net/bluetooth/amp.c:304
Write of size 8 at addr 0000000000000030 by task kworker/u5:2/6842

CPU: 1 PID: 6842 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: hci0 hci_rx_work
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1f0/0x31e lib/dump_stack.c:118
 __kasan_report mm/kasan/report.c:517 [inline]
 kasan_report+0x151/0x1d0 mm/kasan/report.c:530
 check_memory_region_inline mm/kasan/generic.c:183 [inline]
 check_memory_region+0x2b5/0x2f0 mm/kasan/generic.c:192
 instrument_atomic_write include/linux/instrumented.h:71 [inline]
 set_bit include/asm-generic/bitops/instrumented-atomic.h:28 [inline]
 amp_read_loc_assoc_final_data+0x115/0x260 net/bluetooth/amp.c:304
 hci_chan_selected_evt net/bluetooth/hci_event.c:4897 [inline]
 hci_event_packet+0x8289/0x18240 net/bluetooth/hci_event.c:6164
 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
==================================================================
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 6842 Comm: kworker/u5:2 Tainted: G    B             5.8.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: hci0 hci_rx_work
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1f0/0x31e lib/dump_stack.c:118
 panic+0x264/0x7a0 kernel/panic.c:231
 end_report mm/kasan/report.c:104 [inline]
 __kasan_report mm/kasan/report.c:520 [inline]
 kasan_report+0x1c9/0x1d0 mm/kasan/report.c:530
 check_memory_region_inline mm/kasan/generic.c:183 [inline]
 check_memory_region+0x2b5/0x2f0 mm/kasan/generic.c:192
 instrument_atomic_write include/linux/instrumented.h:71 [inline]
 set_bit include/asm-generic/bitops/instrumented-atomic.h:28 [inline]
 amp_read_loc_assoc_final_data+0x115/0x260 net/bluetooth/amp.c:304
 hci_chan_selected_evt net/bluetooth/hci_event.c:4897 [inline]
 hci_event_packet+0x8289/0x18240 net/bluetooth/hci_event.c:6164
 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
Kernel Offset: disabled
Rebooting in 86400 seconds..