------------[ cut here ]------------
Device '0-0002' does not have a release() function, it is broken and must be fixed. See Documentation/core-api/kobject.rst.
WARNING: drivers/base/core.c:2642 at device_release+0x1da/0x270 drivers/base/core.c:2642, CPU#2: syz.6.576/8584
Modules linked in:
CPU: 2 UID: 0 PID: 8584 Comm: syz.6.576 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:device_release+0x1dd/0x270 drivers/base/core.c:2642
Code: df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 93 00 00 00 48 8b 6b 50 48 85 ed 74 19 e8 4d a7 90 fb 48 8d 3d e6 13 f9 0b 48 89 ee <67> 48 0f b9 3a e9 eb fe ff ff e8 34 a7 90 fb 48 89 da 48 b8 00 00
RSP: 0018:ffffc9000c45fa38 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88803502c020 RCX: 0000000000000000
RDX: ffff888058722580 RSI: ffff8880399b6320 RDI: ffffffff9276eda0
RBP: ffff8880399b6320 R08: 0000000000000000 R09: 0000000000000000
R10: ffff88803502c05b R11: 0000000000000000 R12: ffff88804bc5d400
R13: dffffc0000000000 R14: ffff8880399b6320 R15: 0000000000000000
FS:  00007f094a71a6c0(0000) GS:ffff8880d4671000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f094a695ff8 CR3: 000000005a968000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 kobject_cleanup lib/kobject.c:689 [inline]
 kobject_release lib/kobject.c:720 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x1f7/0x640 lib/kobject.c:737
 put_device drivers/base/core.c:3886 [inline]
 device_unregister+0x2f/0xe0 drivers/base/core.c:4009
 i2c_unregister_device+0xf5/0x270 drivers/i2c/i2c-core-base.c:1077
 i2c_deregister_clients+0x255/0x460 drivers/i2c/i2c-core-base.c:1784
 i2c_del_adapter+0x13a/0x2e0 drivers/i2c/i2c-core-base.c:1828
 i801_remove+0xa4/0x3d0 drivers/i2c/busses/i2c-i801.c:1702
 pci_device_remove+0xb2/0x1d0 drivers/pci/pci-driver.c:535
 device_remove+0xcb/0x180 drivers/base/dd.c:617
 __device_release_driver drivers/base/dd.c:1357 [inline]
 device_release_driver_internal+0x441/0x610 drivers/base/dd.c:1380
 unbind_store+0xf8/0x110 drivers/base/bus.c:244
 drv_attr_store+0x74/0xb0 drivers/base/bus.c:125
 sysfs_kf_write+0xf2/0x150 fs/sysfs/file.c:145
 kernfs_fop_write_iter+0x3e0/0x5f0 fs/kernfs/file.c:345
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x6af/0x1040 fs/read_write.c:687
 ksys_write+0x12a/0x250 fs/read_write.c:739
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x123/0x7b0 arch/x86/entry/syscall_64.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f09497a8f19
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f094a71a028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f0949a25fa0 RCX: 00007f09497a8f19
RDX: 000000000000000c RSI: 0000200000000280 RDI: 0000000000000025
RBP: 00007f0949837f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0949a26038 R14: 00007f0949a25fa0 R15: 00007ffc8ca1acf8
 </TASK>
----------------
Code disassembly (best guess):
   0:	df 48 89             	fisttps -0x77(%rax)
   3:	fa                   	cli
   4:	48 c1 ea 03          	shr    $0x3,%rdx
   8:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
   c:	0f 85 93 00 00 00    	jne    0xa5
  12:	48 8b 6b 50          	mov    0x50(%rbx),%rbp
  16:	48 85 ed             	test   %rbp,%rbp
  19:	74 19                	je     0x34
  1b:	e8 4d a7 90 fb       	call   0xfb90a76d
  20:	48 8d 3d e6 13 f9 0b 	lea    0xbf913e6(%rip),%rdi        # 0xbf9140d
  27:	48 89 ee             	mov    %rbp,%rsi
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	e9 eb fe ff ff       	jmp    0xffffff1f
  34:	e8 34 a7 90 fb       	call   0xfb90a76d
  39:	48 89 da             	mov    %rbx,%rdx
  3c:	48                   	rex.W
  3d:	b8                   	.byte 0xb8