==================================================================
BUG: KASAN: null-ptr-deref in instrument_atomic_write include/linux/instrumented.h:86 [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/u5:2/8476

CPU: 1 PID: 8476 Comm: kworker/u5:2 Not tainted 5.10.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: hci5 hci_rx_work
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x137/0x1be lib/dump_stack.c:118
 __kasan_report mm/kasan/report.c:549 [inline]
 kasan_report+0x155/0x1e0 mm/kasan/report.c:562
 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:86 [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:4924 [inline]
 hci_event_packet+0x619/0x18e0 net/bluetooth/hci_event.c:6278
 hci_rx_work+0x225/0x3f0 net/bluetooth/hci_core.c:4926
 process_one_work+0x789/0xfc0 kernel/workqueue.c:2272
 worker_thread+0xaa4/0x1460 kernel/workqueue.c:2418
 kthread+0x36b/0x390 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
==================================================================
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 8476 Comm: kworker/u5:2 Tainted: G    B             5.10.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: hci5 hci_rx_work
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x137/0x1be lib/dump_stack.c:118
 panic+0x291/0x800 kernel/panic.c:231
 end_report mm/kasan/report.c:106 [inline]
 __kasan_report mm/kasan/report.c:552 [inline]
 kasan_report+0x1da/0x1e0 mm/kasan/report.c:562
 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:86 [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:4924 [inline]
 hci_event_packet+0x619/0x18e0 net/bluetooth/hci_event.c:6278
 hci_rx_work+0x225/0x3f0 net/bluetooth/hci_core.c:4926
 process_one_work+0x789/0xfc0 kernel/workqueue.c:2272
 worker_thread+0xaa4/0x1460 kernel/workqueue.c:2418
 kthread+0x36b/0x390 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
Kernel Offset: disabled
Rebooting in 86400 seconds..