9pnet_fd: Insufficient options for proto=fd UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [syz-executor.7:15067] Modules linked in: irq event stamp: 2503265 hardirqs last enabled at (2503264): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (2503265): [] sysvec_apic_timer_interrupt+0xf/0x90 softirqs last enabled at (648272): [] irq_exit_rcu+0x93/0xc0 softirqs last disabled at (648275): [] irq_exit_rcu+0x93/0xc0 CPU: 0 PID: 15067 Comm: syz-executor.7 Not tainted 6.5.0-rc1-next-20230714 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:___slab_alloc+0xc79/0x1190 Code: 00 48 89 85 50 ff ff ff e9 d4 00 00 00 31 db 44 8b 75 88 e8 d9 f0 fe ff 41 c1 ee 15 48 98 41 83 e6 01 48 8b 14 c5 a0 24 d4 85 <4c> 89 f0 48 c1 e0 08 49 01 c6 49 c1 e6 04 4e 8d b4 32 00 14 00 00 RSP: 0018:ffff88806ce08e60 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000100 RDX: ffff88807ffdc000 RSI: ffffffff81801c83 RDI: 0000000000000005 RBP: ffff88806ce08f20 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000100 R11: 0000000000000001 R12: 0000000000000002 R13: ffff88800a168140 R14: 0000000000000000 R15: ffffe8ffffc00e10 FS: 00007ff3b5225700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000100000000 CR3: 00000000450a6000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: kmem_cache_alloc+0x367/0x390 dst_alloc+0xa1/0x620 rt_dst_alloc+0x55/0x3d0 ip_route_output_key_hash_rcu+0x867/0x29c0 ip_route_output_key_hash+0x18f/0x350 ip_route_output_flow+0x27/0x150 __ip_queue_xmit+0x14be/0x1ae0 __tcp_transmit_skb+0x2c02/0x3760 tcp_write_xmit+0xf98/0x62b0 __tcp_push_pending_frames+0xae/0x330 tcp_rcv_established+0x189d/0x1f80 tcp_v4_do_rcv+0x6c8/0xb40 tcp_v4_rcv+0x2bbd/0x3350 ip_protocol_deliver_rcu+0xba/0x490 ip_local_deliver_finish+0x2f2/0x510 ip_local_deliver+0x1bb/0x210 ip_sublist_rcv_finish+0x274/0x570 ip_list_rcv_finish.constprop.0+0x3ab/0x530 ip_list_rcv+0x2bd/0x3b0 __netif_receive_skb_list_core+0x695/0x8d0 netif_receive_skb_list_internal+0x6d0/0xce0 napi_complete_done+0x242/0x890 e1000_clean+0x9b5/0x2510 __napi_poll+0xbd/0x6b0 net_rx_action+0x8a3/0xc40 __do_softirq+0x1b7/0x7d4 irq_exit_rcu+0x93/0xc0 sysvec_apic_timer_interrupt+0x6e/0x90 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:generic_exec_single+0x90/0x540 Code: 76 95 92 04 0f 92 c3 31 ff 89 de e8 1a e2 0a 00 84 db 0f 84 f4 03 00 00 e8 cd e6 0a 00 4c 89 e6 89 ef 45 31 e4 e8 10 fb ff ff bb e6 0a 00 44 89 e0 5b 5d 41 5c 41 5d 41 5e e9 eb 4c 14 03 e8 RSP: 0018:ffff888048247b10 EFLAGS: 00000202 RAX: 000000000000009d RBX: 0000000000000200 RCX: ffffffff812d209f RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff81419347 RBP: 0000000000000001 R08: 0000000000000001 R09: fffffbfff0efa776 R10: ffffffff877d3bb7 R11: 0000000000000001 R12: 0000000000000000 R13: ffff888048247c38 R14: ffff888048247b88 R15: ffff888046313694 smp_call_function_single+0x327/0x410 task_function_call+0xe5/0x180 perf_install_in_context+0x2cb/0x570 __do_sys_perf_event_open+0x18bf/0x2a60 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x6e/0xd8 RIP: 0033:0x7ff3b7cafb19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ff3b5225188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007ff3b7dc2f60 RCX: 00007ff3b7cafb19 RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000580 RBP: 00007ff3b7d09f6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcfda8561f R14: 00007ff3b5225300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at default_idle+0xf/0x20 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 48 89 85 50 ff ff ff mov %rax,-0xb0(%rbp) 7: e9 d4 00 00 00 jmpq 0xe0 c: 31 db xor %ebx,%ebx e: 44 8b 75 88 mov -0x78(%rbp),%r14d 12: e8 d9 f0 fe ff callq 0xfffef0f0 17: 41 c1 ee 15 shr $0x15,%r14d 1b: 48 98 cltq 1d: 41 83 e6 01 and $0x1,%r14d 21: 48 8b 14 c5 a0 24 d4 mov -0x7a2bdb60(,%rax,8),%rdx 28: 85 * 29: 4c 89 f0 mov %r14,%rax <-- trapping instruction 2c: 48 c1 e0 08 shl $0x8,%rax 30: 49 01 c6 add %rax,%r14 33: 49 c1 e6 04 shl $0x4,%r14 37: 4e 8d b4 32 00 14 00 lea 0x1400(%rdx,%r14,1),%r14 3e: 00