netdev - Re: [Intel-wired-lan] [PATCH net-next 06/12] dpll: Support dynamic pin index allocation

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <202601100030.nDiAPf7k-lkp@intel.com>
Date: Sat, 10 Jan 2026 00:34:30 +0100
From: kernel test robot <lkp@...el.com>
To: Ivan Vecera <ivecera@...hat.com>, netdev@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev, Eric Dumazet <edumazet@...gle.com>,
	Tony Nguyen <anthony.l.nguyen@...el.com>,
	Rob Herring <robh@...nel.org>, Leon Romanovsky <leon@...nel.org>,
	Andrew Lunn <andrew+netdev@...n.ch>, linux-rdma@...r.kernel.org,
	Przemek Kitszel <przemyslaw.kitszel@...el.com>,
	Arkadiusz Kubalewski <arkadiusz.kubalewski@...el.com>,
	intel-wired-lan@...ts.osuosl.org, Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>, devicetree@...r.kernel.org,
	Conor Dooley <conor+dt@...nel.org>, Jiri Pirko <jiri@...nulli.us>,
	Richard Cochran <richardcochran@...il.com>,
	Prathosh Satish <Prathosh.Satish@...rochip.com>,
	Vadim Fedorenko <vadim.fedorenko@...ux.dev>,
	Mark Bloch <mbloch@...dia.com>, linux-kernel@...r.kernel.org,
	Tariq Toukan <tariqt@...dia.com>,
	Alexander Lobakin <aleksander.lobakin@...el.com>,
	Jonathan Lemon <jonathan.lemon@...il.com>,
	Krzysztof Kozlowski <krzk@...nel.org>,
	Saeed Mahameed <saeedm@...dia.com>
Subject: Re: [Intel-wired-lan] [PATCH net-next 06/12] dpll: Support dynamic
 pin index allocation

Hi Ivan,

kernel test robot noticed the following build warnings:

[auto build test WARNING on net-next/main]

url:    https://github.com/intel-lab-lkp/linux/commits/Ivan-Vecera/dt-bindings-dpll-add-common-dpll-pin-consumer-schema/20260109-022618
base:   net-next/main
patch link:    https://lore.kernel.org/r/20260108182318.20935-7-ivecera%40redhat.com
patch subject: [Intel-wired-lan] [PATCH net-next 06/12] dpll: Support dynamic pin index allocation
config: x86_64-rhel-9.4 (https://download.01.org/0day-ci/archive/20260110/202601100030.nDiAPf7k-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260110/202601100030.nDiAPf7k-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/202601100030.nDiAPf7k-lkp@intel.com/

All warnings (new ones prefixed by >>):

   drivers/dpll/dpll_core.c: In function 'dpll_pin_idx_free':
>> drivers/dpll/dpll_core.c:499:28: warning: integer overflow in expression of type 'int' results in '-2147483648' [-Woverflow]
     499 |         pin_idx -= INT_MAX + 1;
         |                            ^


vim +499 drivers/dpll/dpll_core.c

   490	
   491	static void dpll_pin_idx_free(u32 pin_idx)
   492	{
   493		if (pin_idx <= INT_MAX)
   494			return; /* Not a dynamic pin index */
   495	
   496		/* Map the index value from dynamic pin index range to IDA range and
   497		 * free it.
   498		 */
 > 499		pin_idx -= INT_MAX + 1;
   500		ida_free(&dpll_pin_idx_ida, pin_idx);
   501	}
   502	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki