From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f80.google.com (mail-io1-f80.google.com [209.85.166.80]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D7CA219342F for ; Wed, 2 Jul 2025 14:02:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.80 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751464960; cv=none; b=IcC2VN1nZarUr54lVievdVjLdhHMQk41+JKxfC/E5jq4KvaRRFYhaxOQsnw7/Raa7fxV/iTUmmyEp0rnjBo2elgjNm74c+4d3wziSlyyBYR7Wf3Wt/foUCXG/RvR7b3nggKvpOCJpRRje/Dz7uTnXbF6qaALYOQQxWisN4viHX8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751464960; c=relaxed/simple; bh=/xnQFIqYyIL9Yz85movHuQxtuMf6MHqxcoRtaZvgxNU=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=q24DMDAllU8iZg3muMCGc0cqUFRMlt+OOvtjWPWGRP43c3nU32YCURU3GrdE1T96DaiUSUIYDM9dvlHtoWRw0kCGkSgPnPeV7YK0li7w7JG4wdigUSbTQ086dzFp05Mkq2QTEnCU9P5HZroukb+LGG9KCrzEyYDtgGfTUB3IVi0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.80 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-io1-f80.google.com with SMTP id ca18e2360f4ac-87595d00ca0so674332939f.2 for ; Wed, 02 Jul 2025 07:02:38 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1751464958; x=1752069758; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=dByylAG2c51x5gFXBJ6JiboT2jB5E3W7QnW5fgQ6Oiw=; b=EtU7H1ywPrqgmhWVkTpEUvUr+KyP7CfYOuFxF06IEiAifoVq6DXG9A4U/dJ6CQZNoP CywkykRtP6CYVCYGa6+JQW7xGu0rBnGHvVJDpPe1yaLjIzsuOYfFPqALCIgw0k7txtij SkXPLYNtHR95O78a7OdMS4Py6KQIsGAdQXFqNTrhzZ9zrGra+7ft/qScyZH0tpafy+RL +Yy5CQTn2kcB2wuEWlC+5zw6HzHI3RjbbIOH4kgeisfSPL++deIfCKbZAduu1XLwLFfH a8RBT3+7w4R3W7MZ8ngWQK5BhDJDHdJ/XYyHxzJS0PC+BYX7cxmggdFy80uF3wx550KH 340g== X-Forwarded-Encrypted: i=1; AJvYcCX1cW3Nhv5cyL/r+v0nwL3CR599l1THwmPFfdryUnpnmqSR2X6KoGmxCCbbyAAhkWoikDty+dxidTM=@vger.kernel.org X-Gm-Message-State: AOJu0Yxvla46vPRdfYTYbavq9lO7c5F/WBSu3xls/5+TxF+D34K7E9tL Dnh6WNUWalAgGRXT2NkXPAJUHgh40fWM4zRYJid3ivqE8h9DOw3agkW/z50pxvLbjW8ng3wOqz0 JXL0lTrUt+N8ix6z4Zyy6xxkEe0+mtGyP0tQKo44LS6fOwomWCJEHIMA5JnY= X-Google-Smtp-Source: AGHT+IF4x4Or/xkfZx7+M2g2bxTm2Ngcdv5e6gScnz+K6XgI5teTfxfLyoi8M7MaKmbsiwTQXKRuH36XYi+0I3m7jN8PapKeG5n2 Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a5d:88c2:0:b0:861:c238:bf03 with SMTP id ca18e2360f4ac-876c6a292ddmr287486139f.8.1751464957903; Wed, 02 Jul 2025 07:02:37 -0700 (PDT) Date: Wed, 02 Jul 2025 07:02:37 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68653bfd.a00a0220.270cb1.0000.GAE@google.com> Subject: [syzbot] [usb?] KMSAN: kernel-usb-infoleak in usbhid_raw_request From: syzbot To: gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 66701750d556 Merge tag 'io_uring-6.16-20250630' of git://g.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=169d648c580000 kernel config: https://syzkaller.appspot.com/x/.config?x=1d5c61bcebaf295a dashboard link: https://syzkaller.appspot.com/bug?extid=fbe9fff1374eefadffb9 compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/c23f36e934f7/disk-66701750.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/fb02dd3f3235/vmlinux-66701750.xz kernel image: https://storage.googleapis.com/syzbot-assets/0a0df8bd2838/bzImage-66701750.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+fbe9fff1374eefadffb9@syzkaller.appspotmail.com usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 4-1: config 0 descriptor?? microsoft 0003:045E:07DA.0003: unknown main item tag 0x0 microsoft 0003:045E:07DA.0003: ignoring exceeding usage max ===================================================== BUG: KMSAN: kernel-usb-infoleak in usb_submit_urb+0x5a1/0x2630 drivers/usb/core/urb.c:430 usb_submit_urb+0x5a1/0x2630 drivers/usb/core/urb.c:430 usb_start_wait_urb+0xc2/0x320 drivers/usb/core/message.c:59 usb_internal_control_msg drivers/usb/core/message.c:103 [inline] usb_control_msg+0x27c/0x5b0 drivers/usb/core/message.c:154 usbhid_raw_request+0x4ab/0x690 drivers/hid/usbhid/hid-core.c:-1 __hid_request+0x2bd/0x500 drivers/hid/hid-core.c:1989 hidinput_change_resolution_multipliers drivers/hid/hid-input.c:1950 [inline] hidinput_connect+0x3bf5/0x5cc0 drivers/hid/hid-input.c:2327 hid_connect+0x6b4/0x3440 drivers/hid/hid-core.c:2239 hid_hw_start+0xfc/0x1e0 drivers/hid/hid-core.c:2354 ms_probe+0x2e5/0x890 drivers/hid/hid-microsoft.c:391 __hid_device_probe drivers/hid/hid-core.c:2724 [inline] hid_device_probe+0x536/0xab0 drivers/hid/hid-core.c:2761 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x4d1/0xd90 drivers/base/dd.c:657 __driver_probe_device+0x268/0x380 drivers/base/dd.c:799 driver_probe_device+0x70/0x8b0 drivers/base/dd.c:829 __device_attach_driver+0x4ee/0x950 drivers/base/dd.c:957 bus_for_each_drv+0x3e3/0x680 drivers/base/bus.c:462 __device_attach+0x3c8/0x5c0 drivers/base/dd.c:1029 device_initial_probe+0x33/0x40 drivers/base/dd.c:1078 bus_probe_device+0x3ba/0x5e0 drivers/base/bus.c:537 device_add+0x12a9/0x1c10 drivers/base/core.c:3692 hid_add_device+0x5ed/0x7b0 drivers/hid/hid-core.c:2907 usbhid_probe+0x1fec/0x2660 drivers/hid/usbhid/hid-core.c:1435 usb_probe_interface+0xd01/0x1310 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x4d1/0xd90 drivers/base/dd.c:657 __driver_probe_device+0x268/0x380 drivers/base/dd.c:799 driver_probe_device+0x70/0x8b0 drivers/base/dd.c:829 __device_attach_driver+0x4ee/0x950 drivers/base/dd.c:957 bus_for_each_drv+0x3e3/0x680 drivers/base/bus.c:462 __device_attach+0x3c8/0x5c0 drivers/base/dd.c:1029 device_initial_probe+0x33/0x40 drivers/base/dd.c:1078 bus_probe_device+0x3ba/0x5e0 drivers/base/bus.c:537 device_add+0x12a9/0x1c10 drivers/base/core.c:3692 usb_set_configuration+0x3493/0x3b70 drivers/usb/core/message.c:2210 usb_generic_driver_probe+0xfc/0x290 drivers/usb/core/generic.c:250 usb_probe_device+0x38d/0x690 drivers/usb/core/driver.c:291 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x4d1/0xd90 drivers/base/dd.c:657 __driver_probe_device+0x268/0x380 drivers/base/dd.c:799 driver_probe_device+0x70/0x8b0 drivers/base/dd.c:829 __device_attach_driver+0x4ee/0x950 drivers/base/dd.c:957 bus_for_each_drv+0x3e3/0x680 drivers/base/bus.c:462 __device_attach+0x3c8/0x5c0 drivers/base/dd.c:1029 device_initial_probe+0x33/0x40 drivers/base/dd.c:1078 bus_probe_device+0x3ba/0x5e0 drivers/base/bus.c:537 device_add+0x12a9/0x1c10 drivers/base/core.c:3692 usb_new_device+0x104b/0x20c0 drivers/usb/core/hub.c:2663 hub_port_connect drivers/usb/core/hub.c:5535 [inline] hub_port_connect_change drivers/usb/core/hub.c:5675 [inline] port_event drivers/usb/core/hub.c:5835 [inline] hub_event+0x5588/0x7580 drivers/usb/core/hub.c:5917 process_one_work kernel/workqueue.c:3238 [inline] process_scheduled_works+0xb8e/0x1d80 kernel/workqueue.c:3321 worker_thread+0xedf/0x1590 kernel/workqueue.c:3402 kthread+0xd5c/0xf00 kernel/kthread.c:464 ret_from_fork+0x1e0/0x310 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Uninit was created at: slab_post_alloc_hook mm/slub.c:4154 [inline] slab_alloc_node mm/slub.c:4197 [inline] __do_kmalloc_node mm/slub.c:4327 [inline] __kmalloc_node_track_caller_noprof+0x96d/0x12f0 mm/slub.c:4347 __kmemdup_nul mm/util.c:63 [inline] kstrdup+0x8a/0x2a0 mm/util.c:83 kstrdup_const+0x5e/0x90 mm/util.c:103 __kernfs_new_node+0x6e/0xa70 fs/kernfs/dir.c:633 kernfs_new_node+0x1f0/0x370 fs/kernfs/dir.c:713 kernfs_create_dir_ns+0x9a/0x2b0 fs/kernfs/dir.c:1083 sysfs_create_dir_ns+0x19c/0x540 fs/sysfs/dir.c:59 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0xeed/0x1840 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_init_and_add+0x371/0x4e0 lib/kobject.c:457 rx_queue_add_kobject net/core/net-sysfs.c:1239 [inline] net_rx_queue_update_kobjects+0x314/0xd40 net/core/net-sysfs.c:1301 register_queue_kobjects net/core/net-sysfs.c:2093 [inline] netdev_register_kobject+0x2bc/0x4f0 net/core/net-sysfs.c:2340 register_netdevice+0x1b41/0x25d0 net/core/dev.c:11105 veth_newlink+0x88f/0x1630 drivers/net/veth.c:1855 rtnl_newlink_create+0x41c/0x1250 net/core/rtnetlink.c:3823 __rtnl_newlink net/core/rtnetlink.c:3940 [inline] rtnl_newlink+0x2f13/0x3a90 net/core/rtnetlink.c:4055 rtnetlink_rcv_msg+0x106c/0x14b0 net/core/rtnetlink.c:6944 netlink_rcv_skb+0x54d/0x680 net/netlink/af_netlink.c:2534 rtnetlink_rcv+0x35/0x40 net/core/rtnetlink.c:6971 netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline] netlink_unicast+0xed8/0x1290 net/netlink/af_netlink.c:1339 netlink_sendmsg+0x10b3/0x1250 net/netlink/af_netlink.c:1883 sock_sendmsg_nosec net/socket.c:712 [inline] __sock_sendmsg+0x333/0x3d0 net/socket.c:727 __sys_sendto+0x593/0x720 net/socket.c:2180 __do_sys_sendto net/socket.c:2187 [inline] __se_sys_sendto net/socket.c:2183 [inline] __x64_sys_sendto+0x130/0x200 net/socket.c:2183 x64_sys_call+0x3c0b/0x3db0 arch/x86/include/generated/asm/syscalls_64.h:45 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xd9/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f Bytes 20-22 of 65535 are uninitialized Memory access of size 65535 starts at ffff88804b9e3399 CPU: 1 UID: 0 PID: 42 Comm: kworker/1:1 Not tainted 6.16.0-rc4-syzkaller-00013-g66701750d556 #0 PREEMPT(undef) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: usb_hub_wq hub_event ===================================================== --- 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 report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup