* Re: [PATCH] nfc: nci: Add skb length validation in nci_core_init_rsp_packet
[not found] <20260413090102.77980-1-phx0fer@gmail.com>
@ 2026-04-30 3:03 ` kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2026-04-30 3:03 UTC (permalink / raw)
To: Dudu Lu, netdev
Cc: llvm, oe-kbuild-all, davem, edumazet, kuba, pabeni, Dudu Lu
Hi Dudu,
kernel test robot noticed the following build errors:
[auto build test ERROR on net/main]
[also build test ERROR on net-next/main linus/master horms-ipvs/master v7.1-rc1 next-20260429]
[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/Dudu-Lu/nfc-nci-Add-skb-length-validation-in-nci_core_init_rsp_packet/20260423-210923
base: net/main
patch link: https://lore.kernel.org/r/20260413090102.77980-1-phx0fer%40gmail.com
patch subject: [PATCH] nfc: nci: Add skb length validation in nci_core_init_rsp_packet
config: arm64-randconfig-004-20260430 (https://download.01.org/0day-ci/archive/20260430/202604301024.q9hVP893-lkp@intel.com/config)
compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project 5bac06718f502014fade905512f1d26d578a18f3)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260430/202604301024.q9hVP893-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/202604301024.q9hVP893-lkp@intel.com/
All errors (new ones prefixed by >>):
>> net/nfc/nci/rsp.c:1:2: error: expected identifier or '('
1 | if (skb->len < sizeof(*rsp)) {
| ^
net/nfc/nci/rsp.c:5:2: error: expected identifier or '('
5 | if (skb->len < 6 + rsp_1->num_supported_rf_interfaces +
| ^
net/nfc/nci/rsp.c:10:2: error: expected identifier or '('
10 | if (skb->len < sizeof(*rsp_1))
| ^
In file included from net/nfc/nci/rsp.c:29:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from arch/arm64/include/asm/hardirq.h:17:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:588:
In file included from include/linux/irqdesc.h:5:
In file included from include/linux/irq_work.h:6:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:98:11: warning: array index 3 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
98 | return (set->sig[3] | set->sig[2] |
| ^ ~
include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here
62 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from net/nfc/nci/rsp.c:29:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from arch/arm64/include/asm/hardirq.h:17:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:588:
In file included from include/linux/irqdesc.h:5:
In file included from include/linux/irq_work.h:6:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:98:25: warning: array index 2 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
98 | return (set->sig[3] | set->sig[2] |
| ^ ~
include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here
62 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from net/nfc/nci/rsp.c:29:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from arch/arm64/include/asm/hardirq.h:17:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:588:
In file included from include/linux/irqdesc.h:5:
In file included from include/linux/irq_work.h:6:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:99:4: warning: array index 1 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
99 | set->sig[1] | set->sig[0]) == 0;
| ^ ~
include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here
62 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from net/nfc/nci/rsp.c:29:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from arch/arm64/include/asm/hardirq.h:17:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:588:
In file included from include/linux/irqdesc.h:5:
In file included from include/linux/irq_work.h:6:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:101:11: warning: array index 1 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
101 | return (set->sig[1] | set->sig[0]) == 0;
| ^ ~
include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here
62 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from net/nfc/nci/rsp.c:29:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from arch/arm64/include/asm/hardirq.h:17:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:588:
In file included from include/linux/irqdesc.h:5:
In file included from include/linux/irq_work.h:6:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:114:11: warning: array index 3 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
114 | return (set1->sig[3] == set2->sig[3]) &&
| ^ ~
include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here
62 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from net/nfc/nci/rsp.c:29:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from arch/arm64/include/asm/hardirq.h:17:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:588:
In file included from include/linux/irqdesc.h:5:
In file included from include/linux/irq_work.h:6:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:114:27: warning: array index 3 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
114 | return (set1->sig[3] == set2->sig[3]) &&
vim +1 net/nfc/nci/rsp.c
> 1 if (skb->len < sizeof(*rsp)) {
2 pr_err("short NCI_CORE_INIT_RSP v2 packet\n");
3 return NCI_STATUS_SYNTAX_ERROR;
4 }
5 if (skb->len < 6 + rsp_1->num_supported_rf_interfaces +
6 sizeof(*rsp_2)) {
7 pr_err("short NCI_CORE_INIT_RSP v1 packet\n");
8 return NCI_STATUS_SYNTAX_ERROR;
9 }
10 if (skb->len < sizeof(*rsp_1))
11 return NCI_STATUS_SYNTAX_ERROR;
12 // SPDX-License-Identifier: GPL-2.0-only
13 /*
14 * The NFC Controller Interface is the communication protocol between an
15 * NFC Controller (NFCC) and a Device Host (DH).
16 *
17 * Copyright (C) 2011 Texas Instruments, Inc.
18 *
19 * Written by Ilan Elias <ilane@ti.com>
20 *
21 * Acknowledgements:
22 * This file is based on hci_event.c, which was written
23 * by Maxim Krasnyansky.
24 */
25
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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2026-04-30 3:03 ` [PATCH] nfc: nci: Add skb length validation in nci_core_init_rsp_packet kernel test robot
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