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X-CSE-ConnectionGUID: jDlsguYdRZKIjuSjyAchIg== X-CSE-MsgGUID: vZtajL0KQ8yCVWUmHvJepg== X-IronPort-AV: E=McAfee;i="6800,10657,11480"; a="76111537" X-IronPort-AV: E=Sophos;i="6.16,278,1744095600"; d="scan'208";a="76111537" Received: from orviesa006.jf.intel.com ([10.64.159.146]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Jun 2025 15:29:18 -0700 X-CSE-ConnectionGUID: eNKms1soTT6rcbcJRa92tA== X-CSE-MsgGUID: 9EzHB/m2T7unHKUfLSiD0w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,278,1744095600"; d="scan'208";a="153063620" Received: from lkp-server01.sh.intel.com (HELO e8142ee1dce2) ([10.239.97.150]) by orviesa006.jf.intel.com with ESMTP; 30 Jun 2025 15:29:16 -0700 Received: from kbuild by e8142ee1dce2 with local (Exim 4.96) (envelope-from ) id 1uWMzx-000ZQI-1X; Mon, 30 Jun 2025 22:29:13 +0000 Date: Tue, 1 Jul 2025 06:29:03 +0800 From: kernel test robot To: Mark Zhang Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Leon Romanovsky Subject: drivers/infiniband/core/nldev.c:2459:12: warning: stack frame size (1032) exceeds limit (1024) in 'nldev_stat_get_counter_status_doit' Message-ID: <202507010618.ffCC4JWZ-lkp@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: d0b3b7b22dfa1f4b515fd3a295b3fd958f9e81af commit: 060c642b2ab8b40b39f9db99c1d14c7d19ba507f RDMA/nldev: Add support to add/delete a sub IB device through netlink date: 12 months ago config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20250701/202507010618.ffCC4JWZ-lkp@intel.com/config) compiler: clang version 20.1.2 (https://github.com/llvm/llvm-project 58df0ef89dd64126512e4ee27b4ac3fd8ddf6247) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250701/202507010618.ffCC4JWZ-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/202507010618.ffCC4JWZ-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from drivers/infiniband/core/nldev.c:35: In file included from include/linux/pid_namespace.h:7: In file included from include/linux/mm.h:2253: include/linux/vmstat.h:500:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 500 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 501 | item]; | ~~~~ include/linux/vmstat.h:507:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 507 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 508 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:514:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 514 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ include/linux/vmstat.h:519:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 519 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 520 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:528:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 528 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 529 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ drivers/infiniband/core/nldev.c:1251:12: warning: stack frame size (1048) exceeds limit (1024) in 'nldev_port_get_dumpit' [-Wframe-larger-than] 1251 | static int nldev_port_get_dumpit(struct sk_buff *skb, | ^ drivers/infiniband/core/nldev.c:2402:12: warning: stack frame size (1048) exceeds limit (1024) in 'nldev_stat_get_doit' [-Wframe-larger-than] 2402 | static int nldev_stat_get_doit(struct sk_buff *skb, struct nlmsghdr *nlh, | ^ >> drivers/infiniband/core/nldev.c:2459:12: warning: stack frame size (1032) exceeds limit (1024) in 'nldev_stat_get_counter_status_doit' [-Wframe-larger-than] 2459 | static int nldev_stat_get_counter_status_doit(struct sk_buff *skb, | ^ drivers/infiniband/core/nldev.c:1536:12: warning: stack frame size (1032) exceeds limit (1024) in 'res_get_common_dumpit' [-Wframe-larger-than] 1536 | static int res_get_common_dumpit(struct sk_buff *skb, | ^ 9 warnings generated. vim +/nldev_stat_get_counter_status_doit +2459 drivers/infiniband/core/nldev.c c4ffee7c9bdba7 Mark Zhang 2019-07-02 2458 7301d0a9834c7f Aharon Landau 2021-10-08 @2459 static int nldev_stat_get_counter_status_doit(struct sk_buff *skb, 7301d0a9834c7f Aharon Landau 2021-10-08 2460 struct nlmsghdr *nlh, 7301d0a9834c7f Aharon Landau 2021-10-08 2461 struct netlink_ext_ack *extack) 7301d0a9834c7f Aharon Landau 2021-10-08 2462 { 7301d0a9834c7f Aharon Landau 2021-10-08 2463 struct nlattr *tb[RDMA_NLDEV_ATTR_MAX], *table, *entry; 7301d0a9834c7f Aharon Landau 2021-10-08 2464 struct rdma_hw_stats *stats; 7301d0a9834c7f Aharon Landau 2021-10-08 2465 struct ib_device *device; 7301d0a9834c7f Aharon Landau 2021-10-08 2466 struct sk_buff *msg; 7301d0a9834c7f Aharon Landau 2021-10-08 2467 u32 devid, port; 7301d0a9834c7f Aharon Landau 2021-10-08 2468 int ret, i; 7301d0a9834c7f Aharon Landau 2021-10-08 2469 7301d0a9834c7f Aharon Landau 2021-10-08 2470 ret = nlmsg_parse(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1, 7301d0a9834c7f Aharon Landau 2021-10-08 2471 nldev_policy, extack); 7301d0a9834c7f Aharon Landau 2021-10-08 2472 if (ret || !tb[RDMA_NLDEV_ATTR_DEV_INDEX] || 7301d0a9834c7f Aharon Landau 2021-10-08 2473 !tb[RDMA_NLDEV_ATTR_PORT_INDEX]) 7301d0a9834c7f Aharon Landau 2021-10-08 2474 return -EINVAL; 7301d0a9834c7f Aharon Landau 2021-10-08 2475 7301d0a9834c7f Aharon Landau 2021-10-08 2476 devid = nla_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]); 7301d0a9834c7f Aharon Landau 2021-10-08 2477 device = ib_device_get_by_index(sock_net(skb->sk), devid); 7301d0a9834c7f Aharon Landau 2021-10-08 2478 if (!device) 7301d0a9834c7f Aharon Landau 2021-10-08 2479 return -EINVAL; 7301d0a9834c7f Aharon Landau 2021-10-08 2480 7301d0a9834c7f Aharon Landau 2021-10-08 2481 port = nla_get_u32(tb[RDMA_NLDEV_ATTR_PORT_INDEX]); 7301d0a9834c7f Aharon Landau 2021-10-08 2482 if (!rdma_is_port_valid(device, port)) { 7301d0a9834c7f Aharon Landau 2021-10-08 2483 ret = -EINVAL; 7301d0a9834c7f Aharon Landau 2021-10-08 2484 goto err; 7301d0a9834c7f Aharon Landau 2021-10-08 2485 } 7301d0a9834c7f Aharon Landau 2021-10-08 2486 7301d0a9834c7f Aharon Landau 2021-10-08 2487 stats = ib_get_hw_stats_port(device, port); 7301d0a9834c7f Aharon Landau 2021-10-08 2488 if (!stats) { 7301d0a9834c7f Aharon Landau 2021-10-08 2489 ret = -EINVAL; 7301d0a9834c7f Aharon Landau 2021-10-08 2490 goto err; 7301d0a9834c7f Aharon Landau 2021-10-08 2491 } 7301d0a9834c7f Aharon Landau 2021-10-08 2492 7301d0a9834c7f Aharon Landau 2021-10-08 2493 msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); 7301d0a9834c7f Aharon Landau 2021-10-08 2494 if (!msg) { 7301d0a9834c7f Aharon Landau 2021-10-08 2495 ret = -ENOMEM; 7301d0a9834c7f Aharon Landau 2021-10-08 2496 goto err; 7301d0a9834c7f Aharon Landau 2021-10-08 2497 } 7301d0a9834c7f Aharon Landau 2021-10-08 2498 7301d0a9834c7f Aharon Landau 2021-10-08 2499 nlh = nlmsg_put( 7301d0a9834c7f Aharon Landau 2021-10-08 2500 msg, NETLINK_CB(skb).portid, nlh->nlmsg_seq, 7301d0a9834c7f Aharon Landau 2021-10-08 2501 RDMA_NL_GET_TYPE(RDMA_NL_NLDEV, RDMA_NLDEV_CMD_STAT_GET_STATUS), 7301d0a9834c7f Aharon Landau 2021-10-08 2502 0, 0); 7301d0a9834c7f Aharon Landau 2021-10-08 2503 7301d0a9834c7f Aharon Landau 2021-10-08 2504 ret = -EMSGSIZE; 67e6272d53386f Or Har-Toov 2022-11-28 2505 if (!nlh || fill_nldev_handle(msg, device) || 7301d0a9834c7f Aharon Landau 2021-10-08 2506 nla_put_u32(msg, RDMA_NLDEV_ATTR_PORT_INDEX, port)) 7301d0a9834c7f Aharon Landau 2021-10-08 2507 goto err_msg; 7301d0a9834c7f Aharon Landau 2021-10-08 2508 7301d0a9834c7f Aharon Landau 2021-10-08 2509 table = nla_nest_start(msg, RDMA_NLDEV_ATTR_STAT_HWCOUNTERS); 7301d0a9834c7f Aharon Landau 2021-10-08 2510 if (!table) 7301d0a9834c7f Aharon Landau 2021-10-08 2511 goto err_msg; 7301d0a9834c7f Aharon Landau 2021-10-08 2512 7301d0a9834c7f Aharon Landau 2021-10-08 2513 mutex_lock(&stats->lock); 7301d0a9834c7f Aharon Landau 2021-10-08 2514 for (i = 0; i < stats->num_counters; i++) { 7301d0a9834c7f Aharon Landau 2021-10-08 2515 entry = nla_nest_start(msg, 7301d0a9834c7f Aharon Landau 2021-10-08 2516 RDMA_NLDEV_ATTR_STAT_HWCOUNTER_ENTRY); 7301d0a9834c7f Aharon Landau 2021-10-08 2517 if (!entry) 7301d0a9834c7f Aharon Landau 2021-10-08 2518 goto err_msg_table; 7301d0a9834c7f Aharon Landau 2021-10-08 2519 7301d0a9834c7f Aharon Landau 2021-10-08 2520 if (nla_put_string(msg, 7301d0a9834c7f Aharon Landau 2021-10-08 2521 RDMA_NLDEV_ATTR_STAT_HWCOUNTER_ENTRY_NAME, 7301d0a9834c7f Aharon Landau 2021-10-08 2522 stats->descs[i].name) || 7301d0a9834c7f Aharon Landau 2021-10-08 2523 nla_put_u32(msg, RDMA_NLDEV_ATTR_STAT_HWCOUNTER_INDEX, i)) 7301d0a9834c7f Aharon Landau 2021-10-08 2524 goto err_msg_entry; 7301d0a9834c7f Aharon Landau 2021-10-08 2525 7301d0a9834c7f Aharon Landau 2021-10-08 2526 if ((stats->descs[i].flags & IB_STAT_FLAG_OPTIONAL) && 7301d0a9834c7f Aharon Landau 2021-10-08 2527 (nla_put_u8(msg, RDMA_NLDEV_ATTR_STAT_HWCOUNTER_DYNAMIC, 7301d0a9834c7f Aharon Landau 2021-10-08 2528 !test_bit(i, stats->is_disabled)))) 7301d0a9834c7f Aharon Landau 2021-10-08 2529 goto err_msg_entry; 7301d0a9834c7f Aharon Landau 2021-10-08 2530 7301d0a9834c7f Aharon Landau 2021-10-08 2531 nla_nest_end(msg, entry); 7301d0a9834c7f Aharon Landau 2021-10-08 2532 } 7301d0a9834c7f Aharon Landau 2021-10-08 2533 mutex_unlock(&stats->lock); 7301d0a9834c7f Aharon Landau 2021-10-08 2534 7301d0a9834c7f Aharon Landau 2021-10-08 2535 nla_nest_end(msg, table); 7301d0a9834c7f Aharon Landau 2021-10-08 2536 nlmsg_end(msg, nlh); 7301d0a9834c7f Aharon Landau 2021-10-08 2537 ib_device_put(device); 7301d0a9834c7f Aharon Landau 2021-10-08 2538 return rdma_nl_unicast(sock_net(skb->sk), msg, NETLINK_CB(skb).portid); 7301d0a9834c7f Aharon Landau 2021-10-08 2539 7301d0a9834c7f Aharon Landau 2021-10-08 2540 err_msg_entry: 7301d0a9834c7f Aharon Landau 2021-10-08 2541 nla_nest_cancel(msg, entry); 7301d0a9834c7f Aharon Landau 2021-10-08 2542 err_msg_table: 7301d0a9834c7f Aharon Landau 2021-10-08 2543 mutex_unlock(&stats->lock); 7301d0a9834c7f Aharon Landau 2021-10-08 2544 nla_nest_cancel(msg, table); 7301d0a9834c7f Aharon Landau 2021-10-08 2545 err_msg: 7301d0a9834c7f Aharon Landau 2021-10-08 2546 nlmsg_free(msg); 7301d0a9834c7f Aharon Landau 2021-10-08 2547 err: 7301d0a9834c7f Aharon Landau 2021-10-08 2548 ib_device_put(device); 7301d0a9834c7f Aharon Landau 2021-10-08 2549 return ret; 7301d0a9834c7f Aharon Landau 2021-10-08 2550 } 7301d0a9834c7f Aharon Landau 2021-10-08 2551 :::::: The code at line 2459 was first introduced by commit :::::: 7301d0a9834c7f1f0c91c1f0a46c7b191b1fd0da RDMA/nldev: Add support to get status of all counters :::::: TO: Aharon Landau :::::: CC: Jason Gunthorpe -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki