INFO: trying to register non-static key.
the code is fine but needs lockdep annotation.
turning off the locking correctness validator.
CPU: 1 PID: 6943 Comm: syz-executor705 Not tainted 5.8.0-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+0x18f/0x20d lib/dump_stack.c:118
 assign_lock_key kernel/locking/lockdep.c:894 [inline]
 register_lock_class+0x157d/0x1630 kernel/locking/lockdep.c:1206
 __lock_acquire+0xf9/0x5640 kernel/locking/lockdep.c:4305
 lock_acquire+0x1f1/0xad0 kernel/locking/lockdep.c:5005
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x8c/0xc0 kernel/locking/spinlock.c:159
 __wake_up_common_lock+0xb4/0x130 kernel/sched/wait.c:122
 uhid_dev_destroy drivers/hid/uhid.c:563 [inline]
 uhid_char_release+0x9b/0x190 drivers/hid/uhid.c:642
 __fput+0x285/0x920 fs/file_table.c:281
 task_work_run+0xdd/0x190 kernel/task_work.c:135
 exit_task_work include/linux/task_work.h:25 [inline]
 do_exit+0xb7d/0x29f0 kernel/exit.c:806
 do_group_exit+0x125/0x310 kernel/exit.c:903
 get_signal+0x40b/0x1ee0 kernel/signal.c:2743
 arch_do_signal+0x82/0x2520 arch/x86/kernel/signal.c:811
 exit_to_user_mode_loop kernel/entry/common.c:135 [inline]
 exit_to_user_mode_prepare+0x172/0x1d0 kernel/entry/common.c:166
 syscall_exit_to_user_mode+0x59/0x2b0 kernel/entry/common.c:241
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x446a29
Code: Bad RIP value.
RSP: 002b:00007f563cb7ed98 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00000000006dbc38 RCX: 0000000000446a29
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dbc38
RBP: 00000000006dbc30 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc3c
R13: 0000000000000000 R14: 00000000317a7973 R15: 0000000000000036
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: 6943 Comm: syz-executor705 Not tainted 5.8.0-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 40 49 83 e8 18 49 8d 78 18 48 3b 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 40 05 00 00 49 8b 40 18 89 54 24 10 31 db 48 bd
RSP: 0018:ffffc90006497978 EFLAGS: 00010046
RAX: dffffc0000000000 RBX: ffff8880891c13f8 RCX: 0000000000000000
RDX: 0000000000000001 RSI: 1ffffffff1563f37 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffffffffffe8 R09: ffffc90006497a10
R10: fffff52000c92f29 R11: 0000000034393654 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004cd050 CR3: 0000000096e43000 CR4: 00000000001506e0
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 drivers/hid/uhid.c:563 [inline]
 uhid_char_release+0x9b/0x190 drivers/hid/uhid.c:642
 __fput+0x285/0x920 fs/file_table.c:281
 task_work_run+0xdd/0x190 kernel/task_work.c:135
 exit_task_work include/linux/task_work.h:25 [inline]
 do_exit+0xb7d/0x29f0 kernel/exit.c:806
 do_group_exit+0x125/0x310 kernel/exit.c:903
 get_signal+0x40b/0x1ee0 kernel/signal.c:2743
 arch_do_signal+0x82/0x2520 arch/x86/kernel/signal.c:811
 exit_to_user_mode_loop kernel/entry/common.c:135 [inline]
 exit_to_user_mode_prepare+0x172/0x1d0 kernel/entry/common.c:166
 syscall_exit_to_user_mode+0x59/0x2b0 kernel/entry/common.c:241
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x446a29
Code: Bad RIP value.
RSP: 002b:00007f563cb7ed98 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00000000006dbc38 RCX: 0000000000446a29
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dbc38
RBP: 00000000006dbc30 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc3c
R13: 0000000000000000 R14: 00000000317a7973 R15: 0000000000000036
Modules linked in:
---[ end trace 30bfad651be36105 ]---
RIP: 0010:__wake_up_common+0xdf/0x650 kernel/sched/wait.c:86
Code: 05 00 00 4c 8b 43 40 49 83 e8 18 49 8d 78 18 48 3b 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 40 05 00 00 49 8b 40 18 89 54 24 10 31 db 48 bd
RSP: 0018:ffffc90006497978 EFLAGS: 00010046
RAX: dffffc0000000000 RBX: ffff8880891c13f8 RCX: 0000000000000000
RDX: 0000000000000001 RSI: 1ffffffff1563f37 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffffffffffe8 R09: ffffc90006497a10
R10: fffff52000c92f29 R11: 0000000034393654 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004cd050 CR3: 0000000096e43000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400