INFO: trying to register non-static key.
the code is fine but needs lockdep annotation.
turning off the locking correctness validator.
CPU: 1 PID: 12752 Comm: syz-executor150 Not tainted 5.6.0-rc3-next-20200228-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x188/0x20d lib/dump_stack.c:118
 assign_lock_key kernel/locking/lockdep.c:881 [inline]
 register_lock_class+0x14c4/0x1540 kernel/locking/lockdep.c:1193
 __lock_acquire+0xfa/0x5270 kernel/locking/lockdep.c:4072
 lock_acquire+0x197/0x420 kernel/locking/lockdep.c:4720
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x8c/0xbf kernel/locking/spinlock.c:159
 __wake_up_common_lock+0xb4/0x130 kernel/sched/wait.c:122
 uhid_dev_destroy+0x6f/0x100 drivers/hid/uhid.c:563
 uhid_char_release+0x4e/0xb0 drivers/hid/uhid.c:642
 __fput+0x2da/0x850 fs/file_table.c:280
 task_work_run+0x13f/0x1b0 kernel/task_work.c:113
 exit_task_work include/linux/task_work.h:22 [inline]
 do_exit+0xb53/0x2e10 kernel/exit.c:802
 do_group_exit+0x125/0x340 kernel/exit.c:900
 get_signal+0x47b/0x24e0 kernel/signal.c:2739
 do_signal+0x7e/0x13f0 arch/x86/kernel/signal.c:813
 exit_to_usermode_loop+0x26c/0x360 arch/x86/entry/common.c:161
 prepare_exit_to_usermode arch/x86/entry/common.c:196 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:279 [inline]
 do_syscall_64+0x672/0x790 arch/x86/entry/common.c:305
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x446c59
Code: e8 dc e6 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 2b 06 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f3102ae6d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00000000006ddc38 RCX: 0000000000446c59
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006ddc38
RBP: 00000000006ddc30 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006ddc3c
R13: 00000000004af248 R14: 35ec7cbe0f321716 R15: 5ee4618069da5e46
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: 12752 Comm: syz-executor150 Not tainted 5.6.0-rc3-next-20200228-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__wake_up_common+0xdf/0x650 kernel/sched/wait.c:86
Code: 05 00 00 4c 8b 43 38 49 83 e8 18 49 8d 78 18 48 39 3c 24 0f 84 6a 02 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 <80> 3c 01 00 0f 85 3d 05 00 00 49 8b 40 18 89 54 24 10 31 db 48 bd
RSP: 0018:ffffc900064ff930 EFLAGS: 00010046
RAX: dffffc0000000000 RBX: ffff88808c0013c8 RCX: 0000000000000000
RDX: 0000000000000001 RSI: 1ffffffff150ca6a RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffffffffffe8 R09: ffffc900064ff9c8
R10: fffff52000c9ff20 R11: 0000000000000003 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f3102ae7700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004cea50 CR3: 00000000a93fd000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __wake_up_common_lock+0xd0/0x130 kernel/sched/wait.c:123
 uhid_dev_destroy+0x6f/0x100 drivers/hid/uhid.c:563
 uhid_char_release+0x4e/0xb0 drivers/hid/uhid.c:642
 __fput+0x2da/0x850 fs/file_table.c:280
 task_work_run+0x13f/0x1b0 kernel/task_work.c:113
 exit_task_work include/linux/task_work.h:22 [inline]
 do_exit+0xb53/0x2e10 kernel/exit.c:802
 do_group_exit+0x125/0x340 kernel/exit.c:900
 get_signal+0x47b/0x24e0 kernel/signal.c:2739
 do_signal+0x7e/0x13f0 arch/x86/kernel/signal.c:813
 exit_to_usermode_loop+0x26c/0x360 arch/x86/entry/common.c:161
 prepare_exit_to_usermode arch/x86/entry/common.c:196 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:279 [inline]
 do_syscall_64+0x672/0x790 arch/x86/entry/common.c:305
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x446c59
Code: e8 dc e6 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 2b 06 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f3102ae6d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00000000006ddc38 RCX: 0000000000446c59
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006ddc38
RBP: 00000000006ddc30 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006ddc3c
R13: 00000000004af248 R14: 35ec7cbe0f321716 R15: 5ee4618069da5e46
Modules linked in:
---[ end trace 9fe336c6a8feb40e ]---
RIP: 0010:__wake_up_common+0xdf/0x650 kernel/sched/wait.c:86
Code: 05 00 00 4c 8b 43 38 49 83 e8 18 49 8d 78 18 48 39 3c 24 0f 84 6a 02 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 <80> 3c 01 00 0f 85 3d 05 00 00 49 8b 40 18 89 54 24 10 31 db 48 bd
RSP: 0018:ffffc900064ff930 EFLAGS: 00010046
RAX: dffffc0000000000 RBX: ffff88808c0013c8 RCX: 0000000000000000
RDX: 0000000000000001 RSI: 1ffffffff150ca6a RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffffffffffe8 R09: ffffc900064ff9c8
R10: fffff52000c9ff20 R11: 0000000000000003 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f3102ae7700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004cea50 CR3: 00000000a93fd000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400