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Message-ID: <202203132251.f1LqIqDZ-lkp@intel.com>
Date:   Sun, 13 Mar 2022 22:14:27 +0800
From:   kernel test robot <lkp@...el.com>
To:     Hannes Reinecke <hare@...e.de>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org
Subject: [hare-scsi-devel:tls-upcall.v4 127/156] net/tls/tls_main.c:1062:20:
 warning: format specifies type 'unsigned long' but the argument has type
 'size_t' (aka 'unsigned int')

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/hare/scsi-devel.git tls-upcall.v4
head:   d2416ecdb6b03fc2e4aa40b20cdf919322713224
commit: 97a450fed0d4ce4978d51685dcca85f9e8b71811 [127/156] net/tls: register '.tls' keyring
config: i386-randconfig-a015 (https://download.01.org/0day-ci/archive/20220313/202203132251.f1LqIqDZ-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 0467eb2cb7654c15ae366967ef35093c5724c416)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/hare/scsi-devel.git/commit/?id=97a450fed0d4ce4978d51685dcca85f9e8b71811
        git remote add hare-scsi-devel https://git.kernel.org/pub/scm/linux/kernel/git/hare/scsi-devel.git
        git fetch --no-tags hare-scsi-devel tls-upcall.v4
        git checkout 97a450fed0d4ce4978d51685dcca85f9e8b71811
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash net/tls/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

>> net/tls/tls_main.c:1062:20: warning: format specifies type 'unsigned long' but the argument has type 'size_t' (aka 'unsigned int') [-Wformat]
                            __func__, src, src_len);
                                           ^~~~~~~
   include/linux/printk.h:580:38: note: expanded from macro 'pr_debug'
           no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
                                       ~~~     ^~~~~~~~~~~
   include/linux/printk.h:132:17: note: expanded from macro 'no_printk'
                   printk(fmt, ##__VA_ARGS__);             \
                          ~~~    ^~~~~~~~~~~
   include/linux/printk.h:450:60: note: expanded from macro 'printk'
   #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__)
                                                       ~~~    ^~~~~~~~~~~
   include/linux/printk.h:422:19: note: expanded from macro 'printk_index_wrap'
                   _p_func(_fmt, ##__VA_ARGS__);                           \
                           ~~~~    ^~~~~~~~~~~
   net/tls/tls_main.c:1076:20: warning: format specifies type 'unsigned long' but the argument has type 'size_t' (aka 'unsigned int') [-Wformat]
                            __func__, dst, dst_len);
                                           ^~~~~~~
   include/linux/printk.h:580:38: note: expanded from macro 'pr_debug'
           no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
                                       ~~~     ^~~~~~~~~~~
   include/linux/printk.h:132:17: note: expanded from macro 'no_printk'
                   printk(fmt, ##__VA_ARGS__);             \
                          ~~~    ^~~~~~~~~~~
   include/linux/printk.h:450:60: note: expanded from macro 'printk'
   #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__)
                                                       ~~~    ^~~~~~~~~~~
   include/linux/printk.h:422:19: note: expanded from macro 'printk_index_wrap'
                   _p_func(_fmt, ##__VA_ARGS__);                           \
                           ~~~~    ^~~~~~~~~~~
   net/tls/tls_main.c:1090:21: warning: format specifies type 'unsigned long' but the argument has type 'size_t' (aka 'unsigned int') [-Wformat]
                            __func__, port, port_len);
                                            ^~~~~~~~
   include/linux/printk.h:580:38: note: expanded from macro 'pr_debug'
           no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
                                       ~~~     ^~~~~~~~~~~
   include/linux/printk.h:132:17: note: expanded from macro 'no_printk'
                   printk(fmt, ##__VA_ARGS__);             \
                          ~~~    ^~~~~~~~~~~
   include/linux/printk.h:450:60: note: expanded from macro 'printk'
   #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__)
                                                       ~~~    ^~~~~~~~~~~
   include/linux/printk.h:422:19: note: expanded from macro 'printk_index_wrap'
                   _p_func(_fmt, ##__VA_ARGS__);                           \
                           ~~~~    ^~~~~~~~~~~
   net/tls/tls_main.c:1105:28: warning: format specifies type 'unsigned long' but the argument has type 'size_t' (aka 'unsigned int') [-Wformat]
                    __func__, match_id, id, id_len);
                                            ^~~~~~
   include/linux/printk.h:580:38: note: expanded from macro 'pr_debug'
           no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
                                       ~~~     ^~~~~~~~~~~
   include/linux/printk.h:132:17: note: expanded from macro 'no_printk'
                   printk(fmt, ##__VA_ARGS__);             \
                          ~~~    ^~~~~~~~~~~
   include/linux/printk.h:450:60: note: expanded from macro 'printk'
   #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__)
                                                       ~~~    ^~~~~~~~~~~
   include/linux/printk.h:422:19: note: expanded from macro 'printk_index_wrap'
                   _p_func(_fmt, ##__VA_ARGS__);                           \
                           ~~~~    ^~~~~~~~~~~
   4 warnings generated.


vim +1062 net/tls/tls_main.c

  1013	
  1014	static bool tls_psk_identity_match(const struct key *key,
  1015					   const struct key_match_data *match_data)
  1016	{
  1017		const char *src = key->description;
  1018		const char *dst = NULL, *port = NULL, *id = NULL;
  1019		const char *match_src, *match_dst, *match_port, *match_id;
  1020		size_t src_len, dst_len, port_len, id_len;
  1021	
  1022		dst = strchr(src, ';');
  1023		id_len = strlen(src);
  1024		if (dst) {
  1025			src_len = dst - src;
  1026			if (!src_len)
  1027				src = NULL;
  1028			id_len -= src_len + 1;
  1029			dst++;
  1030			port = strchr(dst, ';');
  1031			if (port) {
  1032				dst_len = port - dst;
  1033				if (!dst_len)
  1034					dst = NULL;
  1035				id_len -= dst_len + 1;
  1036				port++;
  1037				id = strchr(port, ';');
  1038				if (id) {
  1039					port_len = id - port;
  1040					if (!port_len)
  1041						port = NULL;
  1042					id_len -= port_len + 1;
  1043					id++;
  1044				}
  1045			}
  1046		}
  1047		pr_debug("%s: src %s dst %s port %s\n", __func__, src, dst, port);
  1048		/* simple string-based IP address matching */
  1049		/* hare: convert to sockaddr matching */
  1050		match_src = match_data->raw_data;
  1051		match_dst = strchr(match_src, ';');
  1052		/* Parsing error */
  1053		if (!match_dst) {
  1054			pr_debug("%s: match dst missing\n", __func__);
  1055			return false;
  1056		}
  1057		match_dst++;
  1058		pr_debug("%s: match src %s\n", __func__, match_src);
  1059		if (src && (match_dst - match_src) > 0 &&
  1060		    memcmp(src, match_src, src_len)) {
  1061			pr_debug("%s: non-matching src %s len %lu\n",
> 1062				 __func__, src, src_len);
  1063				return false;
  1064		}
  1065	
  1066		match_port = strchr(match_dst, ';');
  1067		if (!match_port) {
  1068			pr_debug("%s: match port missing\n", __func__);
  1069			return false;
  1070		}
  1071		match_port++;
  1072		pr_debug("%s: match dst %s\n", __func__, match_dst);
  1073		if (dst && (match_port - match_dst) > 0 &&
  1074		    memcmp(dst, match_dst, dst_len)) {
  1075			pr_debug("%s: non-matching dst %s len %lu\n",
  1076				 __func__, dst, dst_len);
  1077			return false;
  1078		}
  1079	
  1080		match_id = strchr(match_port, ';');
  1081		if (!match_id) {
  1082			pr_debug("%s: match identity missing\n", __func__);
  1083			return false;
  1084		}
  1085		match_id++;
  1086		pr_debug("%s: match port %s\n", __func__, match_port);
  1087		if (port && (match_id - match_port) > 0 &&
  1088		    memcmp(port, match_port, port_len)) {
  1089			pr_debug("%s: non-matching port %s len %lu\n",
  1090				 __func__, port, port_len);
  1091			return false;
  1092		}
  1093	
  1094		/* No match ID specified: match agains all IDs */
  1095		if (!match_id || !strlen(match_id)) {
  1096			pr_debug("%s: match w/ no identity\n", __func__);
  1097			return true;
  1098		}
  1099		/* Match ID specified, but no key ID: no match */
  1100		if (!id) {
  1101			pr_debug("%s: no identity to match\n", __func__);
  1102			return false;
  1103		}
  1104		pr_debug("%s: match '%s' '%s' len %lu\n",
  1105			 __func__, match_id, id, id_len);
  1106		return !memcmp(id, match_id, id_len);
  1107	}
  1108	

---
0-DAY CI Kernel Test Service
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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