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    Subject[syzbot] [usb?] UBSAN: array-index-out-of-bounds in usbhid_parse
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    Hello,

    syzbot found the following issue on:

    HEAD commit: ad7f1baed071 Merge tag 'acpi-6.6-rc6' of git://git.kernel...
    git tree: upstream
    console+strace: https://syzkaller.appspot.com/x/log.txt?x=1056d5c5680000
    kernel config: https://syzkaller.appspot.com/x/.config?x=32d0b9b42ceb8b10
    dashboard link: https://syzkaller.appspot.com/bug?extid=c52569baf0c843f35495
    compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
    syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1081f1e5680000
    C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16c7bc4d680000

    Downloadable assets:
    disk image: https://storage.googleapis.com/syzbot-assets/e3074ad3ff92/disk-ad7f1bae.raw.xz
    vmlinux: https://storage.googleapis.com/syzbot-assets/94b298a1e285/vmlinux-ad7f1bae.xz
    kernel image: https://storage.googleapis.com/syzbot-assets/1ad5cd9c2a48/bzImage-ad7f1bae.xz

    IMPORTANT: if you fix the issue, please add the following tag to the commit:
    Reported-by: syzbot+c52569baf0c843f35495@syzkaller.appspotmail.com

    usb 1-1: string descriptor 0 read error: -22
    usb 1-1: New USB device found, idVendor=080e, idProduct=4eb9, bcdDevice=d7.f6
    usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
    ================================================================================
    UBSAN: array-index-out-of-bounds in drivers/hid/usbhid/hid-core.c:1024:18
    index 1 is out of range for type 'hid_class_descriptor [1]'
    CPU: 0 PID: 9 Comm: kworker/0:1 Not tainted 6.6.0-rc5-syzkaller-00227-gad7f1baed071 #0
    Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
    Workqueue: usb_hub_wq hub_event
    Call Trace:
    <TASK>
    __dump_stack lib/dump_stack.c:88 [inline]
    dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106
    ubsan_epilogue lib/ubsan.c:217 [inline]
    __ubsan_handle_out_of_bounds+0x111/0x150 lib/ubsan.c:348
    usbhid_parse+0x94a/0xa20 drivers/hid/usbhid/hid-core.c:1024
    hid_add_device+0x189/0xa60 drivers/hid/hid-core.c:2783
    usbhid_probe+0xd0a/0x1360 drivers/hid/usbhid/hid-core.c:1429
    usb_probe_interface+0x307/0x930 drivers/usb/core/driver.c:396
    call_driver_probe drivers/base/dd.c:579 [inline]
    really_probe+0x234/0xc90 drivers/base/dd.c:658
    __driver_probe_device+0x1de/0x4b0 drivers/base/dd.c:800
    driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:830
    __device_attach_driver+0x1d4/0x300 drivers/base/dd.c:958
    bus_for_each_drv+0x157/0x1d0 drivers/base/bus.c:457
    __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030
    bus_probe_device+0x17c/0x1c0 drivers/base/bus.c:532
    device_add+0x117e/0x1aa0 drivers/base/core.c:3624
    usb_set_configuration+0x10cb/0x1c40 drivers/usb/core/message.c:2207
    usb_generic_driver_probe+0xca/0x130 drivers/usb/core/generic.c:238
    usb_probe_device+0xda/0x2c0 drivers/usb/core/driver.c:293
    call_driver_probe drivers/base/dd.c:579 [inline]
    really_probe+0x234/0xc90 drivers/base/dd.c:658
    __driver_probe_device+0x1de/0x4b0 drivers/base/dd.c:800
    driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:830
    __device_attach_driver+0x1d4/0x300 drivers/base/dd.c:958
    bus_for_each_drv+0x157/0x1d0 drivers/base/bus.c:457
    __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030
    bus_probe_device+0x17c/0x1c0 drivers/base/bus.c:532
    device_add+0x117e/0x1aa0 drivers/base/core.c:3624
    usb_new_device+0xd80/0x1960 drivers/usb/core/hub.c:2589
    hub_port_connect drivers/usb/core/hub.c:5440 [inline]
    hub_port_connect_change drivers/usb/core/hub.c:5580 [inline]
    port_event drivers/usb/core/hub.c:5740 [inline]
    hub_event+0x2daf/0x4e00 drivers/usb/core/hub.c:5822
    process_one_work+0x884/0x15c0 kernel/workqueue.c:2630
    process_scheduled_works kernel/workqueue.c:2703 [inline]
    worker_thread+0x8b9/0x1290 kernel/workqueue.c:2784
    kthread+0x33c/0x440 kernel/kthread.c:388
    ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
    ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
    </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@googlegroups.com.

    syzbot will keep track of this issue. See:
    https://goo.gl/tpsmEJ#status for how to communicate with syzbot.

    If the bug is already fixed, let syzbot know by replying with:
    #syz fix: exact-commit-title

    If you want syzbot to run the reproducer, reply with:
    #syz test: git://repo/address.git branch-or-commit-hash
    If you attach or paste a git patch, syzbot will apply it before testing.

    If you want to overwrite bug's subsystems, reply with:
    #syz set subsystems: new-subsystem
    (See the list of subsystem names on the web dashboard)

    If the bug is a duplicate of another bug, reply with:
    #syz dup: exact-subject-of-another-report

    If you want to undo deduplication, reply with:
    #syz undup

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