general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 1 PID: 13780 Comm: syz-executor.1 Not tainted 5.8.0-rc3-next-20200629-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__queue_work+0x39a/0xff0 kernel/workqueue.c:1434
Code: 3b 9e 06 48 89 d8 48 c1 e8 03 80 3c 28 00 0f 85 f6 0b 00 00 48 8b 3b e8 c4 39 9e 06 eb 26 e8 1d f5 27 00 48 89 d8 48 c1 e8 03 <80> 3c 28 00 0f 85 ae 0b 00 00 4c 8b 2b e8 04 f5 27 00 4c 89 ef e8
RSP: 0018:ffffc900016f7c78 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff814b6ec8
RDX: ffff88808af660c0 RSI: ffffffff814bf443 RDI: 0000000000000005
RBP: dffffc0000000000 R08: 0000000000000001 R09: ffff88804ab48b5f
R10: 000000007fffffff R11: 0000000000000000 R12: ffff88804ab48b58
R13: 0000000000000000 R14: ffff88808e27a000 R15: 0000000000000040
FS:  0000000001850940(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000002252978 CR3: 0000000094c3d000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 queue_work_on+0x18b/0x200 kernel/workqueue.c:1518
 queue_work include/linux/workqueue.h:507 [inline]
 hci_update_background_scan net/bluetooth/hci_request.h:115 [inline]
 hci_adv_monitors_clear+0x150/0x1d0 net/bluetooth/hci_core.c:3009
 hci_unregister_dev+0x417/0xe20 net/bluetooth/hci_core.c:3810
 vhci_release+0x70/0xe0 drivers/bluetooth/hci_vhci.c:340
 __fput+0x33c/0x880 fs/file_table.c:281
 task_work_run+0xdd/0x190 kernel/task_work.c:123
 tracehook_notify_resume include/linux/tracehook.h:188 [inline]
 exit_to_usermode_loop arch/x86/entry/common.c:216 [inline]
 __prepare_exit_to_usermode+0x1e9/0x1f0 arch/x86/entry/common.c:246
 do_syscall_64+0x6c/0xe0 arch/x86/entry/common.c:368
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x416721
Code: Bad RIP value.
RSP: 002b:00007ffc5c679100 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000416721
RDX: 0000000000000000 RSI: 00000000000010de RDI: 0000000000000003
RBP: 0000000000000001 R08: 00000000611f90de R09: 00000000611f90e2
R10: 00007ffc5c6791f0 R11: 0000000000000293 R12: 000000000078c900
R13: 000000000078c900 R14: ffffffffffffffff R15: 000000000078bfac
Modules linked in:
---[ end trace aa054cfb04586d7a ]---
RIP: 0010:__queue_work+0x39a/0xff0 kernel/workqueue.c:1434
Code: 3b 9e 06 48 89 d8 48 c1 e8 03 80 3c 28 00 0f 85 f6 0b 00 00 48 8b 3b e8 c4 39 9e 06 eb 26 e8 1d f5 27 00 48 89 d8 48 c1 e8 03 <80> 3c 28 00 0f 85 ae 0b 00 00 4c 8b 2b e8 04 f5 27 00 4c 89 ef e8
RSP: 0018:ffffc900016f7c78 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff814b6ec8
RDX: ffff88808af660c0 RSI: ffffffff814bf443 RDI: 0000000000000005
RBP: dffffc0000000000 R08: 0000000000000001 R09: ffff88804ab48b5f
R10: 000000007fffffff R11: 0000000000000000 R12: ffff88804ab48b58
R13: 0000000000000000 R14: ffff88808e27a000 R15: 0000000000000040
FS:  0000000001850940(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000002252978 CR3: 0000000094c3d000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400