BUG: spinlock bad magic on CPU#1, kworker/1:0/32202
general protection fault, probably for non-canonical address 0xdffffc01400000ac: 0000 [#1] PREEMPT SMP KASAN
KASAN: probably user-memory-access in range [0x0000000a00000560-0x0000000a00000567]
CPU: 1 PID: 32202 Comm: kworker/1:0 Not tainted 5.13.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events l2cap_chan_timeout

RIP: 0010:task_pid_nr include/linux/sched.h:1423 [inline]
RIP: 0010:spin_dump kernel/locking/spinlock_debug.c:65 [inline]
RIP: 0010:spin_bug kernel/locking/spinlock_debug.c:75 [inline]
RIP: 0010:debug_spin_lock_before kernel/locking/spinlock_debug.c:83 [inline]
RIP: 0010:do_raw_spin_lock+0x5cd/0x8e0 kernel/locking/spinlock_debug.c:112
Code: ba 00 00 00 00 00 fc ff df e9 d7 fb ff ff 48 8b 04 24 4c 8d a8 58 05 00 00 4c 89 e8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <8a> 04 08 84 c0 0f 85 a5 02 00 00 48 81 04 24 c0 07 00 00 45 8b 6d
RSP: 0018:ffffc90002fdfa60 EFLAGS: 00010206
RAX: 00000001400000ac RBX: 0000000000000000 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000201 RDI: 0000000000000000
RBP: ffffc90002fdfb40 R08: ffffffff81655222 R09: ffffed1017365f90
R10: ffffed1017365f90 R11: 0000000000000000 R12: ffff88807512b08c
R13: 0000000a00000560 R14: ffff88807512b088 R15: 1ffff1100ea25611
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000056c020 CR3: 0000000069e1a000 CR4: 00000000001506e0
DR0: 000000000000001e DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 spin_lock_bh include/linux/spinlock.h:359 [inline]
 lock_sock_nested+0x48/0x110 net/core/sock.c:3057
 l2cap_sock_teardown_cb+0x76/0x360 net/bluetooth/l2cap_sock.c:1528
 l2cap_chan_del+0xaf/0x610 net/bluetooth/l2cap_core.c:622
 l2cap_chan_timeout+0x12c/0x280 net/bluetooth/l2cap_core.c:436
 process_one_work+0x833/0x10c0 kernel/workqueue.c:2276
 worker_thread+0xac1/0x1300 kernel/workqueue.c:2422
 kthread+0x39a/0x3c0 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
Modules linked in:
---[ end trace 9b2eeb98bf3882b8 ]---
RIP: 0010:task_pid_nr include/linux/sched.h:1423 [inline]
RIP: 0010:spin_dump kernel/locking/spinlock_debug.c:65 [inline]
RIP: 0010:spin_bug kernel/locking/spinlock_debug.c:75 [inline]
RIP: 0010:debug_spin_lock_before kernel/locking/spinlock_debug.c:83 [inline]
RIP: 0010:do_raw_spin_lock+0x5cd/0x8e0 kernel/locking/spinlock_debug.c:112
Code: ba 00 00 00 00 00 fc ff df e9 d7 fb ff ff 48 8b 04 24 4c 8d a8 58 05 00 00 4c 89 e8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <8a> 04 08 84 c0 0f 85 a5 02 00 00 48 81 04 24 c0 07 00 00 45 8b 6d
RSP: 0018:ffffc90002fdfa60 EFLAGS: 00010206
RAX: 00000001400000ac RBX: 0000000000000000 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000201 RDI: 0000000000000000
RBP: ffffc90002fdfb40 R08: ffffffff81655222 R09: ffffed1017365f90
R10: ffffed1017365f90 R11: 0000000000000000 R12: ffff88807512b08c
R13: 0000000a00000560 R14: ffff88807512b088 R15: 1ffff1100ea25611
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000056c020 CR3: 0000000069e1a000 CR4: 00000000001506e0
DR0: 000000000000001e DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400