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Message-ID: <202311221446.bQ7tsWmE-lkp@intel.com>
Date: Wed, 22 Nov 2023 16:08:38 +0800
From: kernel test robot <lkp@...el.com>
To: syzbot <syzbot+c52569baf0c843f35495@...kaller.appspotmail.com>,
linux-kernel@...r.kernel.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev
Subject: Re: [PATCH] Tried to correct
Hi syzbot,
kernel test robot noticed the following build warnings:
[auto build test WARNING on hid/for-next]
[also build test WARNING on linus/master v6.7-rc2 next-20231122]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/syzbot/Tried-to-correct/20231122-032130
base: https://git.kernel.org/pub/scm/linux/kernel/git/hid/hid.git for-next
patch link: https://lore.kernel.org/r/000000000000c0be0d060aae7c5b%40google.com
patch subject: [PATCH] Tried to correct
config: x86_64-rhel-8.3-rust (https://download.01.org/0day-ci/archive/20231122/202311221446.bQ7tsWmE-lkp@intel.com/config)
compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231122/202311221446.bQ7tsWmE-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202311221446.bQ7tsWmE-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> drivers/hid/usbhid/hid-core.c:1026:3: warning: misleading indentation; statement is not part of the previous 'for' [-Wmisleading-indentation]
if (hdesc->desc[n].bDescriptorType == HID_DT_REPORT)
^
drivers/hid/usbhid/hid-core.c:1023:2: note: previous statement is here
for (n = 0; n < num_descriptors; n++)
^
1 warning generated.
vim +/for +1026 drivers/hid/usbhid/hid-core.c
^1da177e4c3f41 drivers/usb/input/hid-core.c Linus Torvalds 2005-04-16 978
c500c9714011ed drivers/hid/usbhid/hid-core.c Jiri Slaby 2008-05-16 979 static int usbhid_parse(struct hid_device *hid)
c500c9714011ed drivers/hid/usbhid/hid-core.c Jiri Slaby 2008-05-16 980 {
c500c9714011ed drivers/hid/usbhid/hid-core.c Jiri Slaby 2008-05-16 981 struct usb_interface *intf = to_usb_interface(hid->dev.parent);
^1da177e4c3f41 drivers/usb/input/hid-core.c Linus Torvalds 2005-04-16 982 struct usb_host_interface *interface = intf->cur_altsetting;
^1da177e4c3f41 drivers/usb/input/hid-core.c Linus Torvalds 2005-04-16 983 struct usb_device *dev = interface_to_usbdev (intf);
^1da177e4c3f41 drivers/usb/input/hid-core.c Linus Torvalds 2005-04-16 984 struct hid_descriptor *hdesc;
2eb5dc30eb87aa drivers/hid/usbhid/hid-core.c Paul Walmsley 2007-04-19 985 u32 quirks = 0;
c500c9714011ed drivers/hid/usbhid/hid-core.c Jiri Slaby 2008-05-16 986 unsigned int rsize = 0;
c5b7c7c395a34f drivers/usb/input/hid-core.c Dmitry Torokhov 2005-09-15 987 char *rdesc;
c500c9714011ed drivers/hid/usbhid/hid-core.c Jiri Slaby 2008-05-16 988 int ret, n;
f043bfc98c193c drivers/hid/usbhid/hid-core.c Jaejoong Kim 2017-09-28 989 int num_descriptors;
f043bfc98c193c drivers/hid/usbhid/hid-core.c Jaejoong Kim 2017-09-28 990 size_t offset = offsetof(struct hid_descriptor, desc);
^1da177e4c3f41 drivers/usb/input/hid-core.c Linus Torvalds 2005-04-16 991
d5d3e202753cc0 drivers/hid/usbhid/hid-core.c Benjamin Tissoires 2017-11-20 992 quirks = hid_lookup_quirk(hid);
^1da177e4c3f41 drivers/usb/input/hid-core.c Linus Torvalds 2005-04-16 993
6f4303fb2ec680 drivers/hid/usbhid/hid-core.c Jiri Kosina 2009-01-29 994 if (quirks & HID_QUIRK_IGNORE)
6f4303fb2ec680 drivers/hid/usbhid/hid-core.c Jiri Kosina 2009-01-29 995 return -ENODEV;
6f4303fb2ec680 drivers/hid/usbhid/hid-core.c Jiri Kosina 2009-01-29 996
0f28b55db54300 drivers/usb/input/hid-core.c Alan Stern 2006-05-15 997 /* Many keyboards and mice don't like to be polled for reports,
0f28b55db54300 drivers/usb/input/hid-core.c Alan Stern 2006-05-15 998 * so we will always set the HID_QUIRK_NOGET flag for them. */
0f28b55db54300 drivers/usb/input/hid-core.c Alan Stern 2006-05-15 999 if (interface->desc.bInterfaceSubClass == USB_INTERFACE_SUBCLASS_BOOT) {
0f28b55db54300 drivers/usb/input/hid-core.c Alan Stern 2006-05-15 1000 if (interface->desc.bInterfaceProtocol == USB_INTERFACE_PROTOCOL_KEYBOARD ||
0f28b55db54300 drivers/usb/input/hid-core.c Alan Stern 2006-05-15 1001 interface->desc.bInterfaceProtocol == USB_INTERFACE_PROTOCOL_MOUSE)
0f28b55db54300 drivers/usb/input/hid-core.c Alan Stern 2006-05-15 1002 quirks |= HID_QUIRK_NOGET;
0f28b55db54300 drivers/usb/input/hid-core.c Alan Stern 2006-05-15 1003 }
0f28b55db54300 drivers/usb/input/hid-core.c Alan Stern 2006-05-15 1004
c5b7c7c395a34f drivers/usb/input/hid-core.c Dmitry Torokhov 2005-09-15 1005 if (usb_get_extra_descriptor(interface, HID_DT_HID, &hdesc) &&
c5b7c7c395a34f drivers/usb/input/hid-core.c Dmitry Torokhov 2005-09-15 1006 (!interface->desc.bNumEndpoints ||
^1da177e4c3f41 drivers/usb/input/hid-core.c Linus Torvalds 2005-04-16 1007 usb_get_extra_descriptor(&interface->endpoint[0], HID_DT_HID, &hdesc))) {
58037eb961f859 drivers/hid/usbhid/hid-core.c Jiri Kosina 2007-05-30 1008 dbg_hid("class descriptor not present\n");
c500c9714011ed drivers/hid/usbhid/hid-core.c Jiri Slaby 2008-05-16 1009 return -ENODEV;
^1da177e4c3f41 drivers/usb/input/hid-core.c Linus Torvalds 2005-04-16 1010 }
^1da177e4c3f41 drivers/usb/input/hid-core.c Linus Torvalds 2005-04-16 1011
f043bfc98c193c drivers/hid/usbhid/hid-core.c Jaejoong Kim 2017-09-28 1012 if (hdesc->bLength < sizeof(struct hid_descriptor)) {
f043bfc98c193c drivers/hid/usbhid/hid-core.c Jaejoong Kim 2017-09-28 1013 dbg_hid("hid descriptor is too short\n");
f043bfc98c193c drivers/hid/usbhid/hid-core.c Jaejoong Kim 2017-09-28 1014 return -EINVAL;
f043bfc98c193c drivers/hid/usbhid/hid-core.c Jaejoong Kim 2017-09-28 1015 }
f043bfc98c193c drivers/hid/usbhid/hid-core.c Jaejoong Kim 2017-09-28 1016
c500c9714011ed drivers/hid/usbhid/hid-core.c Jiri Slaby 2008-05-16 1017 hid->version = le16_to_cpu(hdesc->bcdHID);
c500c9714011ed drivers/hid/usbhid/hid-core.c Jiri Slaby 2008-05-16 1018 hid->country = hdesc->bCountryCode;
c500c9714011ed drivers/hid/usbhid/hid-core.c Jiri Slaby 2008-05-16 1019
f043bfc98c193c drivers/hid/usbhid/hid-core.c Jaejoong Kim 2017-09-28 1020 num_descriptors = min_t(int, hdesc->bNumDescriptors,
f043bfc98c193c drivers/hid/usbhid/hid-core.c Jaejoong Kim 2017-09-28 1021 (hdesc->bLength - offset) / sizeof(struct hid_class_descriptor));
f043bfc98c193c drivers/hid/usbhid/hid-core.c Jaejoong Kim 2017-09-28 1022
f043bfc98c193c drivers/hid/usbhid/hid-core.c Jaejoong Kim 2017-09-28 1023 for (n = 0; n < num_descriptors; n++)
6d33ae790f1855 drivers/hid/usbhid/hid-core.c syzbot 2023-11-21 1024 if (n >= ARRAY_SIZE(hdesc->desc))
6d33ae790f1855 drivers/hid/usbhid/hid-core.c syzbot 2023-11-21 1025 break;
^1da177e4c3f41 drivers/usb/input/hid-core.c Linus Torvalds 2005-04-16 @1026 if (hdesc->desc[n].bDescriptorType == HID_DT_REPORT)
^1da177e4c3f41 drivers/usb/input/hid-core.c Linus Torvalds 2005-04-16 1027 rsize = le16_to_cpu(hdesc->desc[n].wDescriptorLength);
^1da177e4c3f41 drivers/usb/input/hid-core.c Linus Torvalds 2005-04-16 1028
^1da177e4c3f41 drivers/usb/input/hid-core.c Linus Torvalds 2005-04-16 1029 if (!rsize || rsize > HID_MAX_DESCRIPTOR_SIZE) {
58037eb961f859 drivers/hid/usbhid/hid-core.c Jiri Kosina 2007-05-30 1030 dbg_hid("weird size of report descriptor (%u)\n", rsize);
c500c9714011ed drivers/hid/usbhid/hid-core.c Jiri Slaby 2008-05-16 1031 return -EINVAL;
^1da177e4c3f41 drivers/usb/input/hid-core.c Linus Torvalds 2005-04-16 1032 }
^1da177e4c3f41 drivers/usb/input/hid-core.c Linus Torvalds 2005-04-16 1033
52150c78270db5 drivers/hid/usbhid/hid-core.c Joe Perches 2017-03-01 1034 rdesc = kmalloc(rsize, GFP_KERNEL);
52150c78270db5 drivers/hid/usbhid/hid-core.c Joe Perches 2017-03-01 1035 if (!rdesc)
c500c9714011ed drivers/hid/usbhid/hid-core.c Jiri Slaby 2008-05-16 1036 return -ENOMEM;
^1da177e4c3f41 drivers/usb/input/hid-core.c Linus Torvalds 2005-04-16 1037
854561b019285a drivers/usb/input/hid-core.c Vojtech Pavlik 2005-05-29 1038 hid_set_idle(dev, interface->desc.bInterfaceNumber, 0, 0);
854561b019285a drivers/usb/input/hid-core.c Vojtech Pavlik 2005-05-29 1039
c500c9714011ed drivers/hid/usbhid/hid-core.c Jiri Slaby 2008-05-16 1040 ret = hid_get_class_descriptor(dev, interface->desc.bInterfaceNumber,
c500c9714011ed drivers/hid/usbhid/hid-core.c Jiri Slaby 2008-05-16 1041 HID_DT_REPORT, rdesc, rsize);
c500c9714011ed drivers/hid/usbhid/hid-core.c Jiri Slaby 2008-05-16 1042 if (ret < 0) {
58037eb961f859 drivers/hid/usbhid/hid-core.c Jiri Kosina 2007-05-30 1043 dbg_hid("reading report descriptor failed\n");
^1da177e4c3f41 drivers/usb/input/hid-core.c Linus Torvalds 2005-04-16 1044 kfree(rdesc);
c500c9714011ed drivers/hid/usbhid/hid-core.c Jiri Slaby 2008-05-16 1045 goto err;
^1da177e4c3f41 drivers/usb/input/hid-core.c Linus Torvalds 2005-04-16 1046 }
^1da177e4c3f41 drivers/usb/input/hid-core.c Linus Torvalds 2005-04-16 1047
c500c9714011ed drivers/hid/usbhid/hid-core.c Jiri Slaby 2008-05-16 1048 ret = hid_parse_report(hid, rdesc, rsize);
85cdaf524b7dda drivers/hid/usbhid/hid-core.c Jiri Slaby 2008-05-16 1049 kfree(rdesc);
c500c9714011ed drivers/hid/usbhid/hid-core.c Jiri Slaby 2008-05-16 1050 if (ret) {
58037eb961f859 drivers/hid/usbhid/hid-core.c Jiri Kosina 2007-05-30 1051 dbg_hid("parsing report descriptor failed\n");
c500c9714011ed drivers/hid/usbhid/hid-core.c Jiri Slaby 2008-05-16 1052 goto err;
^1da177e4c3f41 drivers/usb/input/hid-core.c Linus Torvalds 2005-04-16 1053 }
^1da177e4c3f41 drivers/usb/input/hid-core.c Linus Torvalds 2005-04-16 1054
f5208997087e6e drivers/hid/usbhid/hid-core.c Zoltan Karcagi 2009-05-06 1055 hid->quirks |= quirks;
^1da177e4c3f41 drivers/usb/input/hid-core.c Linus Torvalds 2005-04-16 1056
c500c9714011ed drivers/hid/usbhid/hid-core.c Jiri Slaby 2008-05-16 1057 return 0;
c500c9714011ed drivers/hid/usbhid/hid-core.c Jiri Slaby 2008-05-16 1058 err:
c500c9714011ed drivers/hid/usbhid/hid-core.c Jiri Slaby 2008-05-16 1059 return ret;
c500c9714011ed drivers/hid/usbhid/hid-core.c Jiri Slaby 2008-05-16 1060 }
c500c9714011ed drivers/hid/usbhid/hid-core.c Jiri Slaby 2008-05-16 1061
--
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