------------[ cut here ]------------ WARNING: CPU: 1 PID: 18911 at kernel/workqueue.c:3043 __flush_work+0x8f4/0xad0 kernel/workqueue.c:3043 Modules linked in: CPU: 1 PID: 18911 Comm: syz-executor.2 Not tainted 5.12.0-rc7-next-20210415-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__flush_work+0x8f4/0xad0 kernel/workqueue.c:3043 Code: e3 08 48 0f ba 28 03 48 8b 95 70 fe ff ff 81 cb e0 01 00 00 e9 7e fa ff ff e8 68 4e 29 00 0f 0b e9 2e fc ff ff e8 5c 4e 29 00 <0f> 0b 45 31 f6 e9 1f fc ff ff e8 0d 0b 6e 00 e9 07 fb ff ff e8 43 RSP: 0018:ffffc90001a7fb48 EFLAGS: 00010212 RAX: 000000000000f9f3 RBX: dffffc0000000000 RCX: ffffc9000daae000 RDX: 0000000000040000 RSI: ffffffff814b29e4 RDI: 0000000000000003 RBP: ffffc90001a7fcd8 R08: 0000000000000000 R09: 0000000000000001 R10: ffffffff814b2196 R11: 0000000000000000 R12: 0000000000000001 R13: 1ffff9200034ff9e R14: 0000000000000001 R15: ffff88801d9d1c80 FS: 00007f53abfa1700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000002f16708 CR3: 000000001e366000 CR4: 00000000001526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __cancel_work_timer+0x3f9/0x570 kernel/workqueue.c:3139 atp_close+0x5e/0xa0 drivers/input/mouse/appletouch.c:812 input_close_device+0x156/0x1f0 drivers/input/input.c:687 evdev_close_device drivers/input/evdev.c:414 [inline] evdev_release+0x34c/0x410 drivers/input/evdev.c:456 __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:174 [inline] exit_to_user_mode_prepare+0x272/0x280 kernel/entry/common.c:208 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline] syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:301 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:57 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x419544 Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44 RSP: 002b:00007f53abfa0cc0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffea RBX: 6666666666666667 RCX: 0000000000419544 RDX: 0000000000024200 RSI: 00007f53abfa0d60 RDI: 00000000ffffff9c RBP: 00007f53abfa0d60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000024200 R13: 00007ffdda3a06af R14: 00007f53abfa1300 R15: 0000000000022000