* Re: Re:Re: [PATCH v2] Bluetooth: HIDP: add missing length check for incoming frames
[not found] <220b6be5.d3f.19f78e165aa.Coremail.19888972804@163.com>
@ 2026-08-16 2:19 ` kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2026-08-16 2:19 UTC (permalink / raw)
To: jiale yao, Luiz Augusto von Dentz
Cc: llvm, oe-kbuild-all, Marcel Holtmann, Tim Bird, Muhammad Bilal,
Kees Cook, Michael Bommarito, linux-bluetooth, linux-kernel
Hi jiale,
kernel test robot noticed the following build warnings:
[auto build test WARNING on kees/for-next/pstore]
[also build test WARNING on kees/for-next/kspp]
[cannot apply to bluetooth-next/master bluetooth/master linus/master v7.2-rc7 next-20260814]
[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/jiale-yao/Re-Re-PATCH-v2-Bluetooth-HIDP-add-missing-length-check-for-incoming-frames/20260814-100503
base: https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git for-next/pstore
patch link: https://lore.kernel.org/r/220b6be5.d3f.19f78e165aa.Coremail.19888972804%40163.com
patch subject: Re:Re: [PATCH v2] Bluetooth: HIDP: add missing length check for incoming frames
config: loongarch-defconfig (https://download.01.org/0day-ci/archive/20260816/202608161044.9x6CmhDO-lkp@intel.com/config)
compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project 844a18e753e822736c9805ab779144b647a2c186)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260816/202608161044.9x6CmhDO-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202608161044.9x6CmhDO-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> net/bluetooth/hidp/core.c:612:48: warning: format specifies type 'unsigned int' but the argument has type 'unsigned char *' [-Wformat]
612 | BT_DBG("Unsupported protocol header 0x%02x", hdr);
| ~~~~ ^~~
| %2s
include/net/bluetooth/bluetooth.h:287:47: note: expanded from macro 'BT_DBG'
287 | #define BT_DBG(fmt, ...) pr_debug(fmt "\n", ##__VA_ARGS__)
| ~~~ ^~~~~~~~~~~
include/linux/printk.h:641:38: note: expanded from macro 'pr_debug'
641 | no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
| ~~~ ^~~~~~~~~~~
include/linux/printk.h:134:18: note: expanded from macro 'no_printk'
134 | _printk(fmt, ##__VA_ARGS__); \
| ~~~ ^~~~~~~~~~~
1 warning generated.
vim +612 net/bluetooth/hidp/core.c
^1da177e4c3f41 Linus Torvalds 2005-04-16 588
91f5cca3d1b434 Andrew Morton 2008-02-05 589 static void hidp_recv_intr_frame(struct hidp_session *session,
91f5cca3d1b434 Andrew Morton 2008-02-05 590 struct sk_buff *skb)
^1da177e4c3f41 Linus Torvalds 2005-04-16 591 {
afd2c613d3369f jiale yao 2026-07-19 592 unsigned char *hdr;
^1da177e4c3f41 Linus Torvalds 2005-04-16 593
093dabb4f1aff9 Kai Ye 2021-06-03 594 BT_DBG("session %p skb %p len %u", session, skb, skb->len);
^1da177e4c3f41 Linus Torvalds 2005-04-16 595
afd2c613d3369f jiale yao 2026-07-19 596 hdr = skb_pull_data(skb, 1);
afd2c613d3369f jiale yao 2026-07-19 597 if (!hdr)
afd2c613d3369f jiale yao 2026-07-19 598 return;
^1da177e4c3f41 Linus Torvalds 2005-04-16 599
afd2c613d3369f jiale yao 2026-07-19 600 if (*hdr == (HIDP_TRANS_DATA | HIDP_DATA_RTYPE_INPUT)) {
^1da177e4c3f41 Linus Torvalds 2005-04-16 601 hidp_set_timer(session);
e1aaadd4d8162a Marcel Holtmann 2007-02-17 602
^1da177e4c3f41 Linus Torvalds 2005-04-16 603 if (session->input)
^1da177e4c3f41 Linus Torvalds 2005-04-16 604 hidp_input_report(session, skb);
e1aaadd4d8162a Marcel Holtmann 2007-02-17 605
e1aaadd4d8162a Marcel Holtmann 2007-02-17 606 if (session->hid) {
a4b1b5877b514b David Rheinsberg 2013-12-19 607 hidp_process_report(session, HID_INPUT_REPORT,
a4b1b5877b514b David Rheinsberg 2013-12-19 608 skb->data, skb->len, 1);
e1aaadd4d8162a Marcel Holtmann 2007-02-17 609 BT_DBG("report len %d", skb->len);
e1aaadd4d8162a Marcel Holtmann 2007-02-17 610 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 611 } else {
^1da177e4c3f41 Linus Torvalds 2005-04-16 @612 BT_DBG("Unsupported protocol header 0x%02x", hdr);
^1da177e4c3f41 Linus Torvalds 2005-04-16 613 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 614
^1da177e4c3f41 Linus Torvalds 2005-04-16 615 kfree_skb(skb);
^1da177e4c3f41 Linus Torvalds 2005-04-16 616 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 617
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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