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X-CSE-ConnectionGUID: 5xqVKCzwTUaASjkt0notYg== X-CSE-MsgGUID: rsk50HLZQcG3OwxUsCV2oA== X-IronPort-AV: E=McAfee;i="6800,10657,11891"; a="88462316" X-IronPort-AV: E=Sophos;i="6.25,252,1779174000"; d="scan'208";a="88462316" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by orvoesa111.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Aug 2026 15:56:17 -0700 X-CSE-ConnectionGUID: RywSKtqsQvSRZEniFtSE1g== X-CSE-MsgGUID: TucMrbV9Sc+der39RTEi7g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,252,1779174000"; d="scan'208";a="292139749" Received: from igk-lkp-server01.igk.intel.com (HELO 32268bdb9915) ([10.211.93.152]) by fmviesa002.fm.intel.com with ESMTP; 30 Aug 2026 15:56:12 -0700 Received: from kbuild by 32268bdb9915 with local (Exim 4.98.2) (envelope-from ) id 1x0oRc-000000000GZ-40gG; Sun, 30 Aug 2026 22:56:08 +0000 Date: Mon, 31 Aug 2026 00:55:20 +0200 From: kernel test robot To: =?iso-8859-1?Q?Andr=E9?= Almeida , Peter Zijlstra , Juri Lelli , Vincent Guittot , Steven Rostedt , Christian Brauner , Kees Cook , Shuah Khan , willy@infradead.org, mathieu.desnoyers@efficios.com, David Laight , Linus Torvalds , akpm@linux-foundation.org, Yafang Shao , andrii.nakryiko@gmail.com, arnaldo.melo@gmail.com, Petr Mladek Cc: oe-kbuild-all@lists.linux.dev, LKML , kernel-dev@igalia.com, linux-mm@kvack.org, linux-api@vger.kernel.org, linux-trace-kernel@vger.kernel.org, =?iso-8859-1?Q?Andr=E9?= Almeida Subject: Re: [PATCH v5 6/6] selftests: prctl: Add test for long thread names Message-ID: <202608310045.6IJtlqhj-lkp@intel.com> References: <20260827-tonyk-long_name-v5-6-5fa843782a00@igalia.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20260827-tonyk-long_name-v5-6-5fa843782a00@igalia.com> X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 96708A0004 X-Stat-Signature: oyuqfs7djq6uarunpbeo8hohuy9a6shk X-Rspam-User: X-HE-Tag: 1788130578-46428 X-HE-Meta: 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 yK5n0jhe 9K8L0DU+85XzAqd7eLbcrMfh+WS2SzjYEpKp8kA1jd2BYxk+MeiTw/Pu7H3CXkP9W0YEKWZmVYvp6RR2D+dLPBH/PhSjcmBuapaT+h9YpodF/uw3uHhN2ZPW0tgNgWmVPT5tphE2N3RKaf1zQFJrMf0TeBqKTyFtzCIvcrjjaKkYVyK5u8rZSKnlSGza/Jt81iqvpEzovuQt4OdZ8Hf76XHibWXDKXdvod2D9Ue7ElPw007us1otkD7G3e85EvJ1tT5DU31Jxjq7lOOW6y7H9q7pTEeETxDqSFkCBDr3jokwe+dKXw0wgoAMHJ0gZHMpRGDxOpKXY2sJaOoekjyrypRrTcUOgp1gaZjuHUqQHgkp6lOLVrawx5RanrJnIlfBQrm9VVUN6A9CXduRG4mu6nEGDCudR2Zqbp+thPH4VVxTOBtbVmOO3fNRSN6wrg7PxvCOjQjbz6Hijdct/vmECOSyonPA6C1Ndqs7G2GMY7qWUl4o= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hi André, kernel test robot noticed the following build warnings: [auto build test WARNING on 73e3f0710014fe6d4ed98cfc02292f6121db7558] url: https://github.com/intel-lab-lkp/linux/commits/Andr-Almeida/treewide-Get-rid-of-get_task_comm/20260827-152300 base: 73e3f0710014fe6d4ed98cfc02292f6121db7558 patch link: https://lore.kernel.org/r/20260827-tonyk-long_name-v5-6-5fa843782a00%40igalia.com patch subject: [PATCH v5 6/6] selftests: prctl: Add test for long thread names config: loongarch-allyesconfig (https://download.01.org/0day-ci/archive/20260831/202608310045.6IJtlqhj-lkp@intel.com/config) compiler: clang version 22.1.8 (https://github.com/llvm/llvm-project ca7933e47d3a3451d81e72ac174dcb5aa28b59d1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260831/202608310045.6IJtlqhj-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202608310045.6IJtlqhj-lkp@intel.com/ All warnings (new ones prefixed by >>): security/smack/smack_lsm.c:150:8: error: call to undeclared function 'get_task_comm'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 150 | acc, get_task_comm(comm, tsk), note); | ^ security/smack/smack_lsm.c:150:8: note: did you mean 'get_task_mm'? include/linux/sched/mm.h:151:26: note: 'get_task_mm' declared here 151 | extern struct mm_struct *get_task_mm(struct task_struct *task); | ^ >> security/smack/smack_lsm.c:150:8: warning: format specifies type 'char *' but the argument has type 'int' [-Wformat] 148 | pr_info("Smack %s: (%s %s %s) %s %s\n", smk_bu_mess[rc], | ~~ | %d 149 | smk_of_task(tsp)->smk_known, oskp->smk_known, 150 | acc, get_task_comm(comm, tsk), note); | ^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/printk.h:584:34: note: expanded from macro 'pr_info' 584 | printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) | ~~~ ^~~~~~~~~~~ include/linux/printk.h:511:60: note: expanded from macro 'printk' 511 | #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__) | ~~~ ^~~~~~~~~~~ include/linux/printk.h:483:19: note: expanded from macro 'printk_index_wrap' 483 | _p_func(_fmt, ##__VA_ARGS__); \ | ~~~~ ^~~~~~~~~~~ 1 warning and 1 error generated. vim +150 security/smack/smack_lsm.c d166c8024d620d Casey Schaufler 2014-08-27 132 fba3d32825f4bb Konstantin Andreev 2026-05-11 133 static int fba3d32825f4bb Konstantin Andreev 2026-05-11 134 smk_bu_tsk_to_obj(struct task_struct *tsk, const struct task_smack *tsp, fba3d32825f4bb Konstantin Andreev 2026-05-11 135 char *note, struct smack_known *oskp, int mode, int rc) d166c8024d620d Casey Schaufler 2014-08-27 136 { fba3d32825f4bb Konstantin Andreev 2026-05-11 137 #ifdef CONFIG_SECURITY_SMACK_BRINGUP d166c8024d620d Casey Schaufler 2014-08-27 138 char acc[SMK_NUM_ACCESS_TYPE + 1]; fba3d32825f4bb Konstantin Andreev 2026-05-11 139 char comm[TASK_COMM_LEN]; d166c8024d620d Casey Schaufler 2014-08-27 140 d166c8024d620d Casey Schaufler 2014-08-27 141 if (rc <= 0) d166c8024d620d Casey Schaufler 2014-08-27 142 return rc; bf4b2fee997997 Casey Schaufler 2015-03-21 143 if (rc > SMACK_UNCONFINED_OBJECT) bf4b2fee997997 Casey Schaufler 2015-03-21 144 rc = 0; d166c8024d620d Casey Schaufler 2014-08-27 145 d166c8024d620d Casey Schaufler 2014-08-27 146 smk_bu_mode(mode, acc); fba3d32825f4bb Konstantin Andreev 2026-05-11 147 bf4b2fee997997 Casey Schaufler 2015-03-21 148 pr_info("Smack %s: (%s %s %s) %s %s\n", smk_bu_mess[rc], fba3d32825f4bb Konstantin Andreev 2026-05-11 149 smk_of_task(tsp)->smk_known, oskp->smk_known, fba3d32825f4bb Konstantin Andreev 2026-05-11 @150 acc, get_task_comm(comm, tsk), note); d166c8024d620d Casey Schaufler 2014-08-27 151 return 0; d166c8024d620d Casey Schaufler 2014-08-27 152 #else fba3d32825f4bb Konstantin Andreev 2026-05-11 153 return rc; d166c8024d620d Casey Schaufler 2014-08-27 154 #endif fba3d32825f4bb Konstantin Andreev 2026-05-11 155 } fba3d32825f4bb Konstantin Andreev 2026-05-11 156 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki