gadgetfs: suspended from state 3
gadgetfs: disconnected
------------[ cut here ]------------
!list_empty(&req->queue)
WARNING: drivers/usb/gadget/udc/dummy_hcd.c:710 at dummy_free_request+0x6f/0x80 drivers/usb/gadget/udc/dummy_hcd.c:710, CPU#0: syz.0.1886/12413
Modules linked in:
CPU: 0 UID: 0 PID: 12413 Comm: syz.0.1886 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:dummy_free_request+0x6f/0x80 drivers/usb/gadget/udc/dummy_hcd.c:710
Code: 75 22 e8 a4 08 03 fa 48 89 df 5b 41 5e e9 69 39 67 fa e8 94 08 03 fa 90 0f 0b 90 5b 41 5e c3 cc cc cc cc cc e8 82 08 03 fa 90 <0f> 0b 90 eb d8 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90
RSP: 0018:ffffc9000b9afbb0 EFLAGS: 00010293
RAX: ffffffff87c4cc2e RBX: ffff8880755c0700 RCX: ffff88802816ddc0
RDX: 0000000000000000 RSI: ffff8880755c0710 RDI: ffff8880273ac068
RBP: 1ffff11004e7598b R08: ffffffff907a5c7f R09: 1ffffffff20f4b8f
R10: dffffc0000000000 R11: ffffffff87c4cbc0 R12: ffff8880273ac068
R13: dffffc0000000000 R14: ffff8880273ac068 R15: ffff8880755c0710
FS:  000055556a745500(0000) GS:ffff888124ccb000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b34722ff8 CR3: 0000000059114000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 gadgetfs_unbind+0x1a9/0x2b0 drivers/usb/gadget/legacy/inode.c:1670
 gadget_unbind_driver+0x1cb/0x410 drivers/usb/gadget/udc/core.c:1724
 device_remove drivers/base/dd.c:616 [inline]
 __device_release_driver drivers/base/dd.c:1349 [inline]
 device_release_driver_internal+0x48b/0x880 drivers/base/dd.c:1372
 driver_detach+0x1f3/0x2d0 drivers/base/dd.c:1435
 bus_remove_driver+0x226/0x320 drivers/base/bus.c:832
 usb_gadget_unregister_driver+0x4e/0x70 drivers/usb/gadget/udc/core.c:1784
 dev_release+0x83/0x200 drivers/usb/gadget/legacy/inode.c:1207
 __fput+0x418/0xa50 fs/file_table.c:513
 task_work_run+0x1d9/0x270 kernel/task_work.c:233
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 __exit_to_user_mode_loop kernel/entry/common.c:70 [inline]
 exit_to_user_mode_loop+0x204/0x770 kernel/entry/common.c:101
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:336 [inline]
 do_syscall_64+0x328/0x520 arch/x86/entry/syscall_64.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6be479e159
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:00007ffc6fe37028 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007ffc6fe37110 RCX: 00007f6be479e159
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 0000000000095efb R08: 0000000000000001 R09: 0000000000000000
R10: 0000001b32b20000 R11: 0000000000000246 R12: 00007ffc6fe37150
R13: 00007f6be4a25fac R14: 0000000000096625 R15: 00007f6be4a25fa0
 </TASK>