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 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4586 at fs/ext4/file.c:611 ext4_file_write_iter+0xe2a/0x19b0 Modules linked in: CPU: 0 PID: 4586 Comm: syz-executor.6 Not tainted 6.4.0-next-20230630 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:ext4_file_write_iter+0xe2a/0x19b0 Code: 02 84 c0 74 08 3c 03 0f 8e 81 0b 00 00 41 8b 5f 20 31 ff 83 e3 08 89 de e8 93 35 9c ff 85 db 0f 85 ef fc ff ff e8 e6 39 9c ff <0f> 0b e9 e3 fc ff ff e8 da 39 9c ff 48 8b 54 24 70 48 b8 00 00 00 RSP: 0018:ffff88804365fc28 EFLAGS: 00010212 RAX: 000000000000a238 RBX: 0000000000000000 RCX: ffffc900031e6000 RDX: 0000000000040000 RSI: ffffffff81b02d5a RDI: 0000000000000005 RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: fffffffffffffff5 R13: 0000000000000001 R14: ffff88804365fdb0 R15: ffff88804365fe00 FS: 00007f7ead211700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7ead2329d0 CR3: 0000000016d30000 CR4: 0000000000350ef0 Call Trace: vfs_write+0x97d/0xda0 ksys_write+0x122/0x250 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x6e/0xd8 RIP: 0033:0x7f7eafcbcb19 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:00007f7ead211188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f7eafdd0020 RCX: 00007f7eafcbcb19 RDX: 0000000000140000 RSI: 0000000020000200 RDI: 0000000000000005 RBP: 00007f7eafd16f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcc58721cf R14: 00007f7ead211300 R15: 0000000000022000 irq event stamp: 9217 hardirqs last enabled at (9227): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (9236): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (8772): [] irq_exit_rcu+0x93/0xc0 softirqs last disabled at (8701): [] irq_exit_rcu+0x93/0xc0 ---[ end trace 0000000000000000 ]--- syz_tun: left promiscuous mode