[moderation] [kernel?] WARNING: ODEBUG bug in rtl_usb_disconnect

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: 6f9871b3e8c3 usb: gadget: tegra-xudc: Remove redundant ter..
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=1444c562580000
kernel config: https://syzkaller.appspot.com/x/.config?x=102fb1d6af526f81
dashboard link: https://syzkaller.appspot.com/bug?extid=6b1b26685ad29a3f109f
compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
CC: [da...@kernel.org gre...@linuxfoundation.org linux-...@vger.kernel.org linu...@vger.kernel.org raf...@kernel.org]

Unfortunately, I don't have any reproducer for this issue yet.

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/77afb517db97/disk-6f9871b3.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/6cb8f9e26031/vmlinux-6f9871b3.xz
kernel image: https://storage.googleapis.com/syzbot-assets/20412d163c0e/bzImage-6f9871b3.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+6b1b26...@syzkaller.appspotmail.com

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ODEBUG: free active (active state 0) object: ffff8881391437d0 object type: timer_list hint: rtl_ips_nic_off_wq_callback+0x0/0x680 drivers/net/wireless/realtek/rtlwifi/ps.c:283
WARNING: CPU: 1 PID: 5249 at lib/debugobjects.c:612 debug_print_object+0x1a2/0x2b0 lib/debugobjects.c:612
Modules linked in:

CPU: 1 UID: 0 PID: 5249 Comm: kworker/1:6 Not tainted syzkaller #0 PREEMPT(voluntary)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Workqueue: usb_hub_wq hub_event

RIP: 0010:debug_print_object+0x1a2/0x2b0 lib/debugobjects.c:612
Code: fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 54 41 56 48 8b 14 dd c0 74 89 87 4c 89 e6 48 c7 c7 40 69 89 87 e8 ff 52 b2 fe 90 <0f> 0b 90 90 58 83 05 e6 f2 0e 08 01 48 83 c4 18 5b 5d 41 5c 41 5d
RSP: 0018:ffffc9000232f458 EFLAGS: 00010282

RAX: 0000000000000000 RBX: 0000000000000003 RCX: ffffc9000fcb9000
RDX: 0000000000100000 RSI: ffffffff8140b9b5 RDI: 0000000000000001
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffffffff87896fe0
R13: ffffffff876b0f80 R14: ffffffff844c8260 R15: ffffc9000232f558
FS: 0000000000000000(0000) GS:ffff888268ffe000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbdebcd1000 CR3: 0000000123d26000 CR4: 00000000003506f0
Call Trace:
<TASK>
__debug_check_no_obj_freed lib/debugobjects.c:1099 [inline]
debug_check_no_obj_freed+0x4b7/0x600 lib/debugobjects.c:1129
free_pages_prepare mm/page_alloc.c:1402 [inline]
__free_pages_ok+0x371/0xe50 mm/page_alloc.c:1571
device_release+0xa4/0x240 drivers/base/core.c:2565
kobject_cleanup lib/kobject.c:689 [inline]
kobject_release lib/kobject.c:720 [inline]
kref_put include/linux/kref.h:65 [inline]
kobject_put+0x1e7/0x5a0 lib/kobject.c:737
put_device+0x1f/0x30 drivers/base/core.c:3797
rtl_usb_disconnect+0x2b3/0x3a0 drivers/net/wireless/realtek/rtlwifi/usb.c:1077
usb_unbind_interface+0x1dd/0x9e0 drivers/usb/core/driver.c:458
device_remove drivers/base/dd.c:571 [inline]
device_remove+0x122/0x170 drivers/base/dd.c:563
__device_release_driver drivers/base/dd.c:1274 [inline]
device_release_driver_internal+0x44b/0x620 drivers/base/dd.c:1297
bus_remove_device+0x22f/0x420 drivers/base/bus.c:579


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