Re: [syzbot] [input?] [usb?] WARNING: ODEBUG bug in corsair_remove

[syzbot <syzbot+0a031a76585d1c7e737d@syzkaller.appspotmail.com>]

syzbot has found a reproducer for the following issue on:

HEAD commit:    45c13f3f9e3b Merge tag 'hwlock-v7.3' of git://git.kernel.o..
git tree:       https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
console output: https://syzkaller.appspot.com/x/log.txt?x=120b399e580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=9b0fc292fc5639c
dashboard link: https://syzkaller.appspot.com/bug?extid=0a031a76585d1c7e737d
compiler:       gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=170de979580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=12479625580000

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/ac6556827073/disk-45c13f3f.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/01ff014f18d2/vmlinux-45c13f3f.xz
kernel image: https://storage.googleapis.com/syzbot-assets/77e9c6302a14/bzImage-45c13f3f.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+0a031a76585d1c7e737d@syzkaller.appspotmail.com

usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 4-1: config 0 descriptor??
corsair 0003:1B1C:1B02.0001: hidraw0: USB HID v0.00 Device [HID 1b1c:1b02] on usb-dummy_hcd.3-1/input0
corsair 0003:1B1C:1B02.0001: Failed to get K90 initial state (error -71).
usb 4-1: USB disconnect, device number 2
------------[ cut here ]------------
ODEBUG: free active (active state 0) object: ffff888122562ac8 object type: work_struct hint: k90_record_led_work+0x0/0x1f0 drivers/hid/hid-corsair.c:710
WARNING: lib/debugobjects.c:629 at debug_print_object+0x198/0x2b0 lib/debugobjects.c:629, CPU#1: kworker/1:0/24
Modules linked in:
CPU: 1 UID: 0 PID: 24 Comm: kworker/1:0 Not tainted syzkaller #0 PREEMPT(lazy) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Workqueue: usb_hub_wq hub_event
RIP: 0010:debug_print_object+0x1a5/0x2b0 lib/debugobjects.c:629
Code: b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 4f 48 8d 3d d8 94 38 08 41 56 48 8b 14 ed 40 aa d2 87 4c 89 e6 <67> 48 0f b9 3a 58 83 05 f2 ef 33 08 01 48 83 c4 18 5b 5d 41 5c 41
RSP: 0018:ffffc9000019f1e8 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffffc9000019f2d0 RCX: 0000000000000000
RDX: ffffffff87d2a980 RSI: ffffffff87d2a520 RDI: ffffffff8b1a2d60
RBP: 0000000000000003 R08: ffff888122562ac8 R09: ffffffff87a8ade0
R10: 0000000000000001 R11: 0000000000000000 R12: ffffffff87d2a520
R13: ffffffff87a8ae20 R14: ffffffff85fa07c0 R15: ffffc9000019f2e8
FS:  0000000000000000(0000) GS:ffff8882684eb000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055e4079ef1d0 CR3: 0000000116d44000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 __debug_check_no_obj_freed lib/debugobjects.c:1171 [inline]
 debug_check_no_obj_freed+0x4da/0x630 lib/debugobjects.c:1201
 slab_free_hook mm/slub.c:2679 [inline]
 slab_free mm/slub.c:6499 [inline]
 kfree+0x3b2/0x650 mm/slub.c:6792
 k90_cleanup_macro_functions drivers/hid/hid-corsair.c:547 [inline]
 corsair_remove+0xfa/0x2f0 drivers/hid/hid-corsair.c:602
 hid_device_remove+0xd1/0x200 drivers/hid/hid-core.c:2897
 device_remove+0xcb/0x180 drivers/base/dd.c:616
 __device_release_driver drivers/base/dd.c:1349 [inline]
 device_release_driver_internal+0x44e/0x620 drivers/base/dd.c:1372
 bus_remove_device+0x2bc/0x560 drivers/base/bus.c:664
 device_del+0x376/0x9b0 drivers/base/core.c:3965
 hid_remove_device drivers/hid/hid-core.c:3126 [inline]
 hid_destroy_device+0x19c/0x240 drivers/hid/hid-core.c:3148
 usbhid_disconnect+0xa0/0xe0 drivers/hid/usbhid/hid-core.c:1479
 usb_unbind_interface+0x1dd/0x9e0 drivers/usb/core/driver.c:461
 device_remove drivers/base/dd.c:618 [inline]
 device_remove+0x12a/0x180 drivers/base/dd.c:610
 __device_release_driver drivers/base/dd.c:1349 [inline]
 device_release_driver_internal+0x44e/0x620 drivers/base/dd.c:1372
 bus_remove_device+0x2bc/0x560 drivers/base/bus.c:664
 device_del+0x376/0x9b0 drivers/base/core.c:3965
 usb_disable_device+0x367/0x810 drivers/usb/core/message.c:1478
 usb_disconnect+0x2e2/0x9a0 drivers/usb/core/hub.c:2350
 hub_port_connect drivers/usb/core/hub.c:5420 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5720 [inline]
 port_event drivers/usb/core/hub.c:5884 [inline]
 hub_event+0x1d46/0x4510 drivers/usb/core/hub.c:5966
 process_one_work+0xac7/0x1b10 kernel/workqueue.c:3387
 process_scheduled_works kernel/workqueue.c:3470 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3551
 kthread+0x373/0x450 kernel/kthread.c:436
 ret_from_fork+0x69f/0xc90 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
----------------
Code disassembly (best guess):
   0:	b8 00 00 00 00       	mov    $0x0,%eax
   5:	00 fc                	add    %bh,%ah
   7:	ff                   	lcall  (bad)
   8:	df 48 89             	fisttps -0x77(%rax)
   b:	fa                   	cli
   c:	48 c1 ea 03          	shr    $0x3,%rdx
  10:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
  14:	75 4f                	jne    0x65
  16:	48 8d 3d d8 94 38 08 	lea    0x83894d8(%rip),%rdi        # 0x83894f5
  1d:	41 56                	push   %r14
  1f:	48 8b 14 ed 40 aa d2 	mov    -0x782d55c0(,%rbp,8),%rdx
  26:	87
  27:	4c 89 e6             	mov    %r12,%rsi
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	58                   	pop    %rax
  30:	83 05 f2 ef 33 08 01 	addl   $0x1,0x833eff2(%rip)        # 0x833f029
  37:	48 83 c4 18          	add    $0x18,%rsp
  3b:	5b                   	pop    %rbx
  3c:	5d                   	pop    %rbp
  3d:	41 5c                	pop    %r12
  3f:	41                   	rex.B


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