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BUG: KASAN: global-out-of-bounds in atomic_inc include/asm-generic/atomic-instrumented.h:109 [inline]
BUG: KASAN: global-out-of-bounds in __lock_acquire+0x251/0x3ff0 kernel/locking/lockdep.c:3308
Write of size 4 at addr ffffffff89319eb8 by task kworker/1:3/8140

CPU: 1 PID: 8140 Comm: kworker/1:3 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events l2cap_chan_timeout
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 print_address_description.cold+0x5/0x219 mm/kasan/report.c:256
 kasan_report_error.cold+0x8a/0x1b9 mm/kasan/report.c:354
 kasan_report+0x8f/0xa0 mm/kasan/report.c:412
 atomic_inc include/asm-generic/atomic-instrumented.h:109 [inline]
 __lock_acquire+0x251/0x3ff0 kernel/locking/lockdep.c:3308
 lock_acquire+0x170/0x3c0 kernel/locking/lockdep.c:3908
 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline]
 _raw_spin_lock_bh+0x2f/0x40 kernel/locking/spinlock.c:168
 spin_lock_bh include/linux/spinlock.h:334 [inline]
 lock_sock_nested+0x3b/0x110 net/core/sock.c:2884
 l2cap_sock_teardown_cb+0xa0/0x6d0 net/bluetooth/l2cap_sock.c:1348
 l2cap_chan_del+0xbc/0xa50 net/bluetooth/l2cap_core.c:603
 l2cap_chan_close+0x1b5/0x950 net/bluetooth/l2cap_core.c:761
 l2cap_chan_timeout+0x17e/0x2f0 net/bluetooth/l2cap_core.c:430
 process_one_work+0x864/0x1570 kernel/workqueue.c:2153
 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415

The buggy address belongs to the variable:
 led_trigger_group+0x4f8/0x500

Memory state around the buggy address:
 ffffffff89319d80: 00 00 00 fa fa fa fa fa 00 00 00 01 fa fa fa fa
 ffffffff89319e00: 00 00 00 00 00 02 fa fa fa fa fa fa 00 00 00 00
>ffffffff89319e80: 00 00 01 fa fa fa fa fa 00 00 fa fa fa fa fa fa
                                        ^
 ffffffff89319f00: 00 00 00 05 fa fa fa fa 00 00 03 fa fa fa fa fa
 ffffffff89319f80: 00 00 00 00 02 fa fa fa fa fa fa fa 00 00 00 00
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