kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] SMP KASAN
CPU: 1 PID: 6553 Comm: syz-executor.4 Not tainted 5.4.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:timer_is_static_object+0x20/0x90 kernel/time/timer.c:612
Code: 66 2e 0f 1f 84 00 00 00 00 00 41 54 53 48 89 fb e8 b5 50 0f 00 48 8d 7b 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 4f 45 31 e4 48 83 7b 08 00 74 0c e8 8b 50 0f 00 44
RSP: 0018:ffff8881cd3f7af8 EFLAGS: 00010002
RAX: dffffc0000000000 RBX: 0000000000004060 RCX: 0000000000000000
RDX: 000000000000080d RSI: ffffffff812ed5ab RDI: 0000000000004068
RBP: ffff8881cd3f7c00 R08: ffff8881d62a3000 R09: fffffbfff1230886
R10: fffffbfff1230885 R11: ffffffff8918442b R12: 0000000000000003
R13: dffffc0000000000 R14: 1ffff11039a7ef66 R15: 0000000000004060
FS:  0000000002094940(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30929000 CR3: 00000001cc0ce000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 debug_object_assert_init lib/debugobjects.c:862 [inline]
 debug_object_assert_init+0x1f9/0x2f0 lib/debugobjects.c:837
 debug_timer_assert_init kernel/time/timer.c:729 [inline]
 debug_assert_init kernel/time/timer.c:774 [inline]
 del_timer+0x6d/0x100 kernel/time/timer.c:1196
 try_to_grab_pending+0x67/0x7b0 kernel/workqueue.c:1251
 __cancel_work_timer+0xa6/0x460 kernel/workqueue.c:3086
 input_close_device+0xd2/0x1a0 drivers/input/input.c:679
 evdev_close_device drivers/input/evdev.c:428 [inline]
 evdev_release+0x188/0x1c0 drivers/input/evdev.c:466
 __fput+0x2d7/0x840 fs/file_table.c:280
 task_work_run+0x13f/0x1c0 kernel/task_work.c:113
 tracehook_notify_resume include/linux/tracehook.h:188 [inline]
 exit_to_usermode_loop+0x1d2/0x200 arch/x86/entry/common.c:163
 prepare_exit_to_usermode arch/x86/entry/common.c:194 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:274 [inline]
 do_syscall_64+0x45f/0x580 arch/x86/entry/common.c:300
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4141d1
Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 04 1b 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01
RSP: 002b:00007ffc4176b330 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000006 RCX: 00000000004141d1
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
RBP: 0000000000000001 R08: 00000000537e1458 R09: 00000000537e145c
R10: 00007ffc4176b410 R11: 0000000000000293 R12: 000000000075bf20
R13: 000000000004beb8 R14: 000000000076bd40 R15: 000000000075bf2c
Modules linked in:
---[ end trace 3242675c97ac8d2a ]---
RIP: 0010:timer_is_static_object+0x20/0x90 kernel/time/timer.c:612
Code: 66 2e 0f 1f 84 00 00 00 00 00 41 54 53 48 89 fb e8 b5 50 0f 00 48 8d 7b 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 4f 45 31 e4 48 83 7b 08 00 74 0c e8 8b 50 0f 00 44
RSP: 0018:ffff8881cd3f7af8 EFLAGS: 00010002
RAX: dffffc0000000000 RBX: 0000000000004060 RCX: 0000000000000000
RDX: 000000000000080d RSI: ffffffff812ed5ab RDI: 0000000000004068
RBP: ffff8881cd3f7c00 R08: ffff8881d62a3000 R09: fffffbfff1230886
R10: fffffbfff1230885 R11: ffffffff8918442b R12: 0000000000000003
R13: dffffc0000000000 R14: 1ffff11039a7ef66 R15: 0000000000004060
FS:  0000000002094940(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30929000 CR3: 00000001cc0ce000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400