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BUG: KASAN: user-memory-access in atomic_inc syzkaller/managers/linux-4-19/kernel/./include/asm-generic/atomic-instrumented.h:109 [inline]
BUG: KASAN: user-memory-access in __lock_acquire+0x251/0x3ff0 syzkaller/managers/linux-4-19/kernel/kernel/locking/lockdep.c:3307
Write of size 4 at addr 0000000700000138 by task kworker/1:1/11353

CPU: 1 PID: 11353 Comm: kworker/1:1 Not tainted 4.19.172-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 syzkaller/managers/linux-4-19/kernel/lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef syzkaller/managers/linux-4-19/kernel/lib/dump_stack.c:118
 kasan_report_error.cold+0x15b/0x1b9 syzkaller/managers/linux-4-19/kernel/mm/kasan/report.c:352
 kasan_report+0x8f/0xa0 syzkaller/managers/linux-4-19/kernel/mm/kasan/report.c:412
 atomic_inc syzkaller/managers/linux-4-19/kernel/./include/asm-generic/atomic-instrumented.h:109 [inline]
 __lock_acquire+0x251/0x3ff0 syzkaller/managers/linux-4-19/kernel/kernel/locking/lockdep.c:3307
 lock_acquire+0x170/0x3c0 syzkaller/managers/linux-4-19/kernel/kernel/locking/lockdep.c:3907
 __raw_spin_lock_bh syzkaller/managers/linux-4-19/kernel/./include/linux/spinlock_api_smp.h:135 [inline]
 _raw_spin_lock_bh+0x2f/0x40 syzkaller/managers/linux-4-19/kernel/kernel/locking/spinlock.c:168
 spin_lock_bh syzkaller/managers/linux-4-19/kernel/./include/linux/spinlock.h:334 [inline]
 lock_sock_nested+0x3b/0x110 syzkaller/managers/linux-4-19/kernel/net/core/sock.c:2864
 l2cap_sock_teardown_cb+0xa0/0x6d0 syzkaller/managers/linux-4-19/kernel/net/bluetooth/l2cap_sock.c:1340
 l2cap_chan_del+0xbc/0xa50 syzkaller/managers/linux-4-19/kernel/net/bluetooth/l2cap_core.c:599
 l2cap_chan_close+0x1b5/0x950 syzkaller/managers/linux-4-19/kernel/net/bluetooth/l2cap_core.c:757
 l2cap_chan_timeout+0x17e/0x2f0 syzkaller/managers/linux-4-19/kernel/net/bluetooth/l2cap_core.c:430
 process_one_work+0x864/0x1570 syzkaller/managers/linux-4-19/kernel/kernel/workqueue.c:2155
 worker_thread+0x64c/0x1130 syzkaller/managers/linux-4-19/kernel/kernel/workqueue.c:2298
 kthread+0x33f/0x460 syzkaller/managers/linux-4-19/kernel/kernel/kthread.c:259
 ret_from_fork+0x24/0x30 syzkaller/managers/linux-4-19/kernel/arch/x86/entry/entry_64.S:415
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