general protection fault, probably for non-canonical address 0xdffffc0000000023: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000118-0x000000000000011f]
CPU: 0 PID: 1681 Comm: syz-executor.2 Not tainted 5.14.0-rc3-next-20210730-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:workqueue_sysfs_unregister kernel/workqueue.c:5732 [inline]
RIP: 0010:destroy_workqueue+0x2e/0x800 kernel/workqueue.c:4386
Code: 49 89 fe 41 55 41 54 55 53 48 83 ec 08 e8 fa 5b 29 00 49 8d be 18 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 2e 07 00 00 49 8b 9e 18 01 00 00 48 85 db 74 19
RSP: 0018:ffffc9000ca47b98 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000023 RSI: ffffffff814c5c36 RDI: 0000000000000118
RBP: ffff888075285340 R08: 0000000000000000 R09: ffff8880b9c3294b
R10: ffffed1017386529 R11: 0000000000000000 R12: ffff888075284000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  000000000290e400(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2eb22000 CR3: 00000000b26e3000 CR4: 00000000001526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 hci_release_dev+0x125/0xb70 net/bluetooth/hci_core.c:4048
 bt_host_release+0x15/0x20 net/bluetooth/hci_sysfs.c:86
 device_release+0x9f/0x240 drivers/base/core.c:2193
 kobject_cleanup lib/kobject.c:705 [inline]
 kobject_release lib/kobject.c:736 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x1c8/0x540 lib/kobject.c:753
 put_device+0x1b/0x30 drivers/base/core.c:3463
 hci_uart_tty_close+0x1e4/0x2a0 drivers/bluetooth/hci_ldisc.c:546
 tty_ldisc_close+0x110/0x190 drivers/tty/tty_ldisc.c:474
 tty_ldisc_kill+0x94/0x150 drivers/tty/tty_ldisc.c:629
 tty_ldisc_release+0xe3/0x2a0 drivers/tty/tty_ldisc.c:803
 tty_release_struct+0x20/0xe0 drivers/tty/tty_io.c:1706
 tty_release+0xc70/0x1200 drivers/tty/tty_io.c:1878
 __fput+0x288/0x920 fs/file_table.c:280
 task_work_run+0xdd/0x1a0 kernel/task_work.c:164
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:175 [inline]
 exit_to_user_mode_prepare+0x27e/0x290 kernel/entry/common.c:209
 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
 syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:302
 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4193fb
Code: 0f 05 48 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8 63 fc ff ff 8b 7c 24 0c 41 89 c0 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 a1 fc ff ff 8b 44
RSP: 002b:00007ffd6e2100b0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00000000004193fb
RDX: 00000000005701c0 RSI: ffffffff892db7d8 RDI: 0000000000000003
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000001b2eb22520
R10: 0000000000000b09 R11: 0000000000000293 R12: 00000000000ec747
R13: 00000000000003e8 R14: 000000000056bf80 R15: 00000000000ec71c
Modules linked in:
---[ end trace 38421d8732750ee8 ]---
RIP: 0010:workqueue_sysfs_unregister kernel/workqueue.c:5732 [inline]
RIP: 0010:destroy_workqueue+0x2e/0x800 kernel/workqueue.c:4386
Code: 49 89 fe 41 55 41 54 55 53 48 83 ec 08 e8 fa 5b 29 00 49 8d be 18 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 2e 07 00 00 49 8b 9e 18 01 00 00 48 85 db 74 19
RSP: 0018:ffffc9000ca47b98 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000023 RSI: ffffffff814c5c36 RDI: 0000000000000118
RBP: ffff888075285340 R08: 0000000000000000 R09: ffff8880b9c3294b
R10: ffffed1017386529 R11: 0000000000000000 R12: ffff888075284000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  000000000290e400(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000543038 CR3: 00000000b26e3000 CR4: 00000000001526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400