Warning: Permanently added '10.128.1.191' (ED25519) to the list of known hosts. [*] Starting UHID thread... [+] UHID device created. [+] uhid replied to output report. [ 107.902045][ T5349] corsair-cpro 0003:1B1C:0C10.0001: hidraw0: USB HID v0.00 Device [test-uhid] on [ 107.923123][ T5349] corsair-cpro 0003:1B1C:0C10.0001: probe with driver corsair-cpro failed with error -71 [*] Starting Gadget thread... [+] Gadget setup successful. [+] Opened /dev/hidg0 [ 110.199056][ T5723] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 110.360583][ T5723] usb 3-1: New USB device found, idVendor=1b1c, idProduct=0c10, bcdDevice= 7.03 [ 110.362482][ T5723] usb 3-1: Dual-Role OTG device on HNP port [ 110.362853][ T5723] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 110.396757][ T5723] corsair-cpro 0003:1B1C:0C10.0002: hidraw0: USB HID v1.01 Device [HID 1b1c:0c10] on usb-dummy_hcd.2-1/input0 [ 110.462257][ C0] [ 110.464810][ C0] ================================ [ 110.470103][ C0] WARNING: inconsistent lock state [ 110.475620][ C0] syzkaller #0 Not tainted [ 110.480161][ C0] -------------------------------- [ 110.485450][ C0] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 110.492581][ C0] sshd-session/5916 [HC0[0]:SC1[1]:HE0:SE0] takes: [ 110.499901][ C0] ffff888035e82868 (&ccp->wait_input_report_lock){+.?.}-{3:3}, at: ccp_raw_event+0x51/0x110 [ 110.510575][ C0] {SOFTIRQ-ON-W} state was registered at: [ 110.516732][ C0] lock_acquire+0x115/0x350 [ 110.521712][ C0] _raw_spin_lock+0x2e/0x40 [ 110.526576][ C0] ccp_raw_event+0x51/0x110 [ 110.531431][ C0] __hid_input_report+0x41c/0x580 [ 110.537251][ C0] uhid_dev_input2+0xbc/0x150 [ 110.542472][ C0] uhid_char_write+0x4a1/0xc90 [ 110.548407][ C0] vfs_write+0x296/0xba0 [ 110.553615][ C0] ksys_write+0x150/0x270 [ 110.558216][ C0] do_int80_emulation+0x198/0x500 [ 110.563438][ C0] asm_int80_emulation+0x1a/0x20 [ 110.568638][ C0] irq event stamp: 3883 [ 110.572862][ C0] hardirqs last enabled at (3882): [] _raw_spin_unlock_irqrestore+0x30/0x80 [ 110.583621][ C0] hardirqs last disabled at (3883): [] _raw_spin_lock_irqsave+0x1a/0x60 [ 110.593878][ C0] softirqs last enabled at (3844): [] tcp_sendmsg+0x39/0x50 [ 110.603196][ C0] softirqs last disabled at (3879): [] __irq_exit_rcu+0xcb/0x220 [ 110.612840][ C0] [ 110.612840][ C0] other info that might help us debug this: [ 110.621321][ C0] Possible unsafe locking scenario: [ 110.621321][ C0] [ 110.629543][ C0] CPU0 [ 110.632910][ C0] ---- [ 110.636967][ C0] lock(&ccp->wait_input_report_lock); [ 110.642699][ C0] [ 110.646390][ C0] lock(&ccp->wait_input_report_lock); [ 110.652454][ C0] [ 110.652454][ C0] *** DEADLOCK *** [ 110.652454][ C0] [ 110.661110][ C0] locks held by sshd-session/5916: 0, last CPU#0 [ 110.667713][ C0] [ 110.667713][ C0] stack backtrace: [ 110.673709][ C0] CPU: 0 UID: 0 PID: 5916 Comm: sshd-session Not tainted syzkaller #0 PREEMPT(full) [ 110.683452][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 110.694076][ C0] Call Trace: [ 110.697532][ C0] [ 110.700469][ C0] dump_stack_lvl+0xe8/0x150 [ 110.705274][ C0] print_usage_bug+0x28c/0x2e0 [ 110.710227][ C0] valid_state+0xbe/0xf0 [ 110.714580][ C0] mark_lock_irq+0x36/0x380 [ 110.719349][ C0] mark_lock+0x117/0x190 [ 110.724320][ C0] __lock_acquire+0x71e/0x2de0 [ 110.729708][ C0] ? kasan_save_track+0x4f/0x80 [ 110.734682][ C0] ? __lock_acquire+0x747/0x2de0 [ 110.740166][ C0] lock_acquire+0x115/0x350 [ 110.745562][ C0] ? ccp_raw_event+0x51/0x110 [ 110.750720][ C0] _raw_spin_lock+0x2e/0x40 [ 110.755856][ C0] ? ccp_raw_event+0x51/0x110 [ 110.762955][ C0] ccp_raw_event+0x51/0x110 [ 110.768353][ C0] __hid_input_report+0x41c/0x580 [ 110.774288][ C0] ? __pfx_ccp_raw_event+0x10/0x10 [ 110.780586][ C0] hid_irq_in+0x492/0x710 [ 110.785022][ C0] __usb_hcd_giveback_urb+0x378/0x540 [ 110.790933][ C0] dummy_timer+0xa91/0x4cc0 [ 110.795860][ C0] ? __pfx_dummy_timer+0x10/0x10 [ 110.802399][ C0] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 110.808587][ C0] ? __pfx_dummy_timer+0x10/0x10 [ 110.813627][ C0] __hrtimer_run_queues+0x3bc/0xa10 [ 110.819109][ C0] hrtimer_run_softirq+0x1e3/0x2e0 [ 110.824663][ C0] handle_softirqs+0x226/0x860 [ 110.829700][ C0] ? __irq_exit_rcu+0xcb/0x220 [ 110.834828][ C0] __irq_exit_rcu+0xcb/0x220 [ 110.839905][ C0] irq_exit_rcu+0x9/0x30 [ 110.844508][ C0] sysvec_apic_timer_interrupt+0xa6/0xc0 [ 110.850430][ C0] [ 110.853480][ C0] [ 110.856650][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 110.862850][ C0] RIP: 0010:finish_task_switch+0x413/0xc60 [ 110.868803][ C0] Code: 04 00 00 41 c7 84 24 20 0e 00 00 00 00 00 00 0f 1f 44 00 00 49 83 c4 48 4c 89 e7 e8 57 e0 53 0a e8 92 2e 3a 00 fb 4c 8b 65 c8 <49> 8d bc 24 18 17 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0 [ 110.889397][ C0] RSP: 0000:ffffc90002e77420 EFLAGS: 00000202 [ 110.896196][ C0] RAX: 0000000000000f25 RBX: ffff8880b863c8e0 RCX: 8000000000000001 [ 110.904699][ C0] RDX: 0000000000000000 RSI: ffffffff8e4173d3 RDI: ffffffff8c6dad80 [ 110.912935][ C0] RBP: ffffc90002e77470 R08: ffffffff907a657f R09: 1ffffffff20f4caf [ 110.921172][ C0] R10: dffffc0000000000 R11: fffffbfff20f4cb0 R12: ffff888033a53e80 [ 110.929318][ C0] R13: ffff8880b863c8a8 R14: dffffc0000000000 R15: 1ffff110170c791c [ 110.937515][ C0] __schedule+0x17e3/0x58f0 [ 110.942124][ C0] ? __lock_acquire+0x747/0x2de0 [ 110.947161][ C0] ? __pfx___schedule+0x10/0x10 [ 110.952485][ C0] ? lock_acquire+0x115/0x350 [ 110.957308][ C0] ? schedule+0x90/0x2b0 [ 110.961644][ C0] schedule+0x164/0x2b0 [ 110.966073][ C0] schedule_hrtimeout_range_clock+0x15b/0x330 [ 110.972322][ C0] ? __pfx_schedule_hrtimeout_range_clock+0x10/0x10 [ 110.979104][ C0] ? __pfx_hrtimer_wakeup+0x10/0x10 [ 110.984664][ C0] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 110.991374][ C0] ? poll_schedule_timeout+0x30/0x1a0 [ 110.998122][ C0] poll_schedule_timeout+0xd0/0x1a0 [ 111.003824][ C0] do_sys_poll+0x80a/0x1110 [ 111.008477][ C0] ? __pfx_do_sys_poll+0x10/0x10 [ 111.014150][ C0] ? __pfx_pollwake+0x10/0x10 [ 111.019117][ C0] ? __pfx_pollwake+0x10/0x10 [ 111.023980][ C0] ? __pfx_pollwake+0x10/0x10 [ 111.028780][ C0] ? __pfx_pollwake+0x10/0x10 [ 111.033658][ C0] ? do_raw_spin_lock+0x12b/0x2f0 [ 111.039293][ C0] ? set_user_sigmask+0x160/0x1c0 [ 111.045318][ C0] ? __pfx_set_user_sigmask+0x10/0x10 [ 111.050715][ C0] __se_sys_ppoll+0x209/0x2b0 [ 111.056088][ C0] ? __pfx___se_sys_ppoll+0x10/0x10 [ 111.062348][ C0] ? __pfx_ksys_write+0x10/0x10 [ 111.067521][ C0] ? __x64_sys_ppoll+0x20/0xc0 [ 111.073027][ C0] do_syscall_64+0x166/0x520 [ 111.079318][ C0] ? trace_irq_disable+0x3b/0x140 [ 111.084557][ C0] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 111.090987][ C0] ? clear_bhb_loop+0x70/0xc0 [ 111.096140][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 111.102310][ C0] RIP: 0033:0x7fb54728d407 [ 111.106835][ C0] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 111.127826][ C0] RSP: 002b:00007ffdec20af40 EFLAGS: 00000202 ORIG_RAX: 000000000000010f [ 111.136695][ C0] RAX: ffffffffffffffda RBX: 00007fb547941300 RCX: 00007fb54728d407 [ 111.144935][ C0] RDX: 00007ffdec20af80 RSI: 0000000000000004 RDI: 000055fddcf9d150 [ 111.152992][ C0] RBP: 00007ffdec20aff0 R08: 0000000000000008 R09: 0000000000000000 [+] hidg replied to output report. [ 111.161052][ C0] R10: 00007ffdec20b080 R11: 0000000000000202 R12: 0000000000000001 [ 111.169747][ C0] R13: 00007ffdec20b080 R14: 000000000000006d R15: 0000000000000004 [ 111.178087][ C0] [ 111.187285][ T5723] corsair-cpro 0003:1B1C:0C10.0002: probe with driver corsair-cpro failed with error -71 [+] Done.