INFO: trying to register non-static key.
the code is fine but needs lockdep annotation.
turning off the locking correctness validator.
CPU: 0 PID: 18078 Comm: syz-executor.0 Not tainted 5.8.0-rc2-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+0x12f/0x192 lib/dump_stack.c:118
 assign_lock_key kernel/locking/lockdep.c:894 [inline]
 register_lock_class+0x10b5/0x1220 kernel/locking/lockdep.c:1206
 __lock_acquire+0xf8/0x3be0 kernel/locking/lockdep.c:4259
 lock_acquire+0x1e3/0x930 kernel/locking/lockdep.c:4959
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x95/0xc0 kernel/locking/spinlock.c:159
 __wake_up_common_lock+0xa8/0x120 kernel/sched/wait.c:122
 uhid_dev_destroy+0x56/0xe0 drivers/hid/uhid.c:563
 uhid_char_release+0x48/0xa0 drivers/hid/uhid.c:642
 __fput+0x2a4/0x7a0 fs/file_table.c:281
 task_work_run+0xc2/0x160 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+0x208/0x210 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: 0033:0x416421
Code: Bad RIP value.
RSP: 002b:00007fff9f40d9d0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000416421
RDX: 0000000000000001 RSI: 0000000000790460 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 00007fff9f40dac0 R11: 0000000000000293 R12: 0000000000790560
R13: 0000000000035d2f R14: ffffffffffffffff R15: 000000000078bfac
general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 PID: 18078 Comm: syz-executor.0 Not tainted 5.8.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__wake_up_common+0xd6/0x610 kernel/sched/wait.c:86
Code: 14 05 00 00 4c 8b 43 40 49 83 e8 18 49 8d 78 18 48 39 fd 0f 84 50 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 0b 05 00 00 49 8b 40 18 89 54 24 10 31 db 49 bd
RSP: 0018:ffffc900052afd18 EFLAGS: 00010046
RAX: dffffc0000000000 RBX: ffff8880767693f8 RCX: 0000000000000000
RDX: 0000000000000001 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffff888076769438 R08: ffffffffffffffe8 R09: ffffc900052afda0
R10: 0000000000000003 R11: fffff52000a55f9d R12: ffffc900052afda0
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
FS:  000000000258f940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000b90004 CR3: 00000000a29ee000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __wake_up_common_lock+0xc3/0x120 kernel/sched/wait.c:123
 uhid_dev_destroy+0x56/0xe0 drivers/hid/uhid.c:563
 uhid_char_release+0x48/0xa0 drivers/hid/uhid.c:642
 __fput+0x2a4/0x7a0 fs/file_table.c:281
 task_work_run+0xc2/0x160 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+0x208/0x210 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: 0033:0x416421
Code: Bad RIP value.
RSP: 002b:00007fff9f40d9d0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000416421
RDX: 0000000000000001 RSI: 0000000000790460 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 00007fff9f40dac0 R11: 0000000000000293 R12: 0000000000790560
R13: 0000000000035d2f R14: ffffffffffffffff R15: 000000000078bfac
Modules linked in:
---[ end trace fb968310dd552df7 ]---
RIP: 0010:__wake_up_common+0xd6/0x610 kernel/sched/wait.c:86
Code: 14 05 00 00 4c 8b 43 40 49 83 e8 18 49 8d 78 18 48 39 fd 0f 84 50 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 0b 05 00 00 49 8b 40 18 89 54 24 10 31 db 49 bd
RSP: 0018:ffffc900052afd18 EFLAGS: 00010046
RAX: dffffc0000000000 RBX: ffff8880767693f8 RCX: 0000000000000000
RDX: 0000000000000001 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffff888076769438 R08: ffffffffffffffe8 R09: ffffc900052afda0
R10: 0000000000000003 R11: fffff52000a55f9d R12: ffffc900052afda0
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
FS:  000000000258f940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000b90004 CR3: 00000000a29ee000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400