Hello, syzbot found the following issue on: HEAD commit: a6afa4199d3d Merge tag 'mailbox-v6.1' of git://git.linaro... 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=158ad462880000 kernel config: https://syzkaller.appspot.com/x/.config?x=9e5376a2f09d6389 dashboard link: https://syzkaller.appspot.com/bug?extid=25842f13c5ac135060f4 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=122c5d1a880000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1154e478880000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/ee555c567c15/disk-a6afa419.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/2124bd57845b/vmlinux-a6afa419.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+25842f13c5ac135060f4@xxxxxxxxxxxxxxxxxxxxxxxxx usb 2-1: USB disconnect, device number 13 ------------[ cut here ]------------ ODEBUG: free active (active state 0) object type: timer_list hint: tpt_trig_timer+0x0/0x3c0 net/mac80211/led.c:145 WARNING: CPU: 1 PID: 1297 at lib/debugobjects.c:502 debug_print_object+0x16e/0x250 lib/debugobjects.c:502 Modules linked in: CPU: 1 PID: 1297 Comm: kworker/1:0 Not tainted 6.0.0-syzkaller-09039-ga6afa4199d3d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 Workqueue: usb_hub_wq hub_event RIP: 0010:debug_print_object+0x16e/0x250 lib/debugobjects.c:502 Code: ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 af 00 00 00 48 8b 14 dd 80 dd 62 86 4c 89 ee 48 c7 c7 20 d1 62 86 e8 51 e1 af 03 <0f> 0b 83 05 c5 24 ca 06 01 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e c3 RSP: 0018:ffffc90001457638 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 RDX: ffff888108e8b900 RSI: ffffffff812c9988 RDI: fffff5200028aeb9 RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff8649fc20 R13: ffffffff8662d640 R14: ffffffff81357820 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8881f6900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055a3505dc950 CR3: 000000010ed33000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> __debug_check_no_obj_freed lib/debugobjects.c:989 [inline] debug_check_no_obj_freed+0x301/0x420 lib/debugobjects.c:1020 slab_free_hook mm/slub.c:1734 [inline] slab_free_freelist_hook mm/slub.c:1785 [inline] slab_free mm/slub.c:3539 [inline] kfree+0x104/0x5c0 mm/slub.c:4567 ieee80211_led_exit+0x15e/0x1b0 net/mac80211/led.c:210 ieee80211_unregister_hw+0x192/0x1f0 net/mac80211/main.c:1491 rt2x00lib_remove_hw drivers/net/wireless/ralink/rt2x00/rt2x00dev.c:1084 [inline] rt2x00lib_remove_dev+0x42b/0x600 drivers/net/wireless/ralink/rt2x00/rt2x00dev.c:1546 rt2x00usb_disconnect+0x6d/0x240 drivers/net/wireless/ralink/rt2x00/rt2x00usb.c:874 usb_unbind_interface+0x1d8/0x8e0 drivers/usb/core/driver.c:458 device_remove drivers/base/dd.c:550 [inline] device_remove+0x11f/0x170 drivers/base/dd.c:542 __device_release_driver drivers/base/dd.c:1249 [inline] device_release_driver_internal+0x4a1/0x700 drivers/base/dd.c:1275 bus_remove_device+0x2e3/0x590 drivers/base/bus.c:529 device_del+0x4f3/0xc80 drivers/base/core.c:3704 usb_disable_device+0x356/0x7a0 drivers/usb/core/message.c:1419 usb_disconnect.cold+0x259/0x6ed drivers/usb/core/hub.c:2235 hub_port_connect drivers/usb/core/hub.c:5197 [inline] hub_port_connect_change drivers/usb/core/hub.c:5497 [inline] port_event drivers/usb/core/hub.c:5653 [inline] hub_event+0x1f86/0x45e0 drivers/usb/core/hub.c:5735 process_one_work+0x991/0x1610 kernel/workqueue.c:2289 process_scheduled_works kernel/workqueue.c:2352 [inline] worker_thread+0x854/0x1080 kernel/workqueue.c:2438 kthread+0x2ea/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 </TASK> --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. syzbot can test patches for this issue, for details see: https://goo.gl/tpsmEJ#testing-patches
