* [arnd-playground:to_build 44/57] drivers/net/ethernet/mellanox/mlx5/core/lib/ipsec_fs_roce.c:435:12: warning: stack frame size (1080) exceeds limit (1024) in 'ipsec_fs_roce_rx_mpv_create'
@ 2025-06-22 13:56 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2025-06-22 13:56 UTC (permalink / raw)
To: Arnd Bergmann; +Cc: llvm, oe-kbuild-all
tree: https://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground.git to_build
head: 45965d80ee21635e7f04e6d7fd6caa929820b219
commit: 276c406d6c7bd470813f8fc95affe88be9632beb [44/57] Kbuild: reduce per-function stack usage in kasan/kmsan
:::::: branch date: 2 days ago
:::::: commit date: 2 days ago
config: um-allmodconfig (https://download.01.org/0day-ci/archive/20250622/202506221717.XWeMwsJt-lkp@intel.com/config)
compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250622/202506221717.XWeMwsJt-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/r/202506221717.XWeMwsJt-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from drivers/net/ethernet/mellanox/mlx5/core/lib/ipsec_fs_roce.c:4:
In file included from drivers/net/ethernet/mellanox/mlx5/core/fs_core.h:37:
In file included from include/linux/mlx5/fs.h:36:
In file included from include/linux/mlx5/driver.h:38:
In file included from include/linux/pci.h:38:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from arch/um/include/asm/hardirq.h:5:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:12:
In file included from arch/um/include/asm/io.h:24:
include/asm-generic/io.h:1175:55: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
1175 | return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port;
| ~~~~~~~~~~ ^
>> drivers/net/ethernet/mellanox/mlx5/core/lib/ipsec_fs_roce.c:435:12: warning: stack frame size (1080) exceeds limit (1024) in 'ipsec_fs_roce_rx_mpv_create' [-Wframe-larger-than]
435 | static int ipsec_fs_roce_rx_mpv_create(struct mlx5_core_dev *mdev,
| ^
2 warnings generated.
vim +/ipsec_fs_roce_rx_mpv_create +435 drivers/net/ethernet/mellanox/mlx5/core/lib/ipsec_fs_roce.c
f2f0231cfe8905 Patrisious Haddad 2023-09-21 434
f2f0231cfe8905 Patrisious Haddad 2023-09-21 @435 static int ipsec_fs_roce_rx_mpv_create(struct mlx5_core_dev *mdev,
f2f0231cfe8905 Patrisious Haddad 2023-09-21 436 struct mlx5_ipsec_fs *ipsec_roce,
f2f0231cfe8905 Patrisious Haddad 2023-09-21 437 struct mlx5_flow_namespace *ns,
f2f0231cfe8905 Patrisious Haddad 2023-09-21 438 u32 family, u32 level, u32 prio)
f2f0231cfe8905 Patrisious Haddad 2023-09-21 439 {
f2f0231cfe8905 Patrisious Haddad 2023-09-21 440 struct mlx5_flow_namespace *roce_ns, *nic_ns;
f2f0231cfe8905 Patrisious Haddad 2023-09-21 441 struct mlx5_flow_table_attr ft_attr = {};
f2f0231cfe8905 Patrisious Haddad 2023-09-21 442 struct mlx5_devcom_comp_dev *tmp = NULL;
f2f0231cfe8905 Patrisious Haddad 2023-09-21 443 struct mlx5_ipsec_rx_roce *roce;
f2f0231cfe8905 Patrisious Haddad 2023-09-21 444 struct mlx5_flow_table next_ft;
f2f0231cfe8905 Patrisious Haddad 2023-09-21 445 struct mlx5_flow_table *ft;
f2f0231cfe8905 Patrisious Haddad 2023-09-21 446 struct mlx5_flow_group *g;
f2f0231cfe8905 Patrisious Haddad 2023-09-21 447 struct mlx5e_priv *peer_priv;
f2f0231cfe8905 Patrisious Haddad 2023-09-21 448 int ix = 0;
f2f0231cfe8905 Patrisious Haddad 2023-09-21 449 u32 *in;
f2f0231cfe8905 Patrisious Haddad 2023-09-21 450 int err;
f2f0231cfe8905 Patrisious Haddad 2023-09-21 451
f2f0231cfe8905 Patrisious Haddad 2023-09-21 452 roce = (family == AF_INET) ? &ipsec_roce->ipv4_rx :
f2f0231cfe8905 Patrisious Haddad 2023-09-21 453 &ipsec_roce->ipv6_rx;
f2f0231cfe8905 Patrisious Haddad 2023-09-21 454
f2f0231cfe8905 Patrisious Haddad 2023-09-21 455 if (!mlx5_devcom_for_each_peer_begin(*ipsec_roce->devcom))
f2f0231cfe8905 Patrisious Haddad 2023-09-21 456 return -EOPNOTSUPP;
f2f0231cfe8905 Patrisious Haddad 2023-09-21 457
f2f0231cfe8905 Patrisious Haddad 2023-09-21 458 peer_priv = mlx5_devcom_get_next_peer_data(*ipsec_roce->devcom, &tmp);
607e1df7bd47fe Patrisious Haddad 2024-08-15 459 if (!peer_priv || !peer_priv->ipsec) {
607e1df7bd47fe Patrisious Haddad 2024-08-15 460 mlx5_core_err(mdev, "IPsec not supported on master device\n");
f2f0231cfe8905 Patrisious Haddad 2023-09-21 461 err = -EOPNOTSUPP;
f2f0231cfe8905 Patrisious Haddad 2023-09-21 462 goto release_peer;
f2f0231cfe8905 Patrisious Haddad 2023-09-21 463 }
f2f0231cfe8905 Patrisious Haddad 2023-09-21 464
f2f0231cfe8905 Patrisious Haddad 2023-09-21 465 roce_ns = mlx5_get_flow_namespace(peer_priv->mdev, MLX5_FLOW_NAMESPACE_RDMA_RX_IPSEC);
f2f0231cfe8905 Patrisious Haddad 2023-09-21 466 if (!roce_ns) {
f2f0231cfe8905 Patrisious Haddad 2023-09-21 467 err = -EOPNOTSUPP;
f2f0231cfe8905 Patrisious Haddad 2023-09-21 468 goto release_peer;
f2f0231cfe8905 Patrisious Haddad 2023-09-21 469 }
f2f0231cfe8905 Patrisious Haddad 2023-09-21 470
f2f0231cfe8905 Patrisious Haddad 2023-09-21 471 nic_ns = mlx5_get_flow_namespace(peer_priv->mdev, MLX5_FLOW_NAMESPACE_KERNEL);
f2f0231cfe8905 Patrisious Haddad 2023-09-21 472 if (!nic_ns) {
f2f0231cfe8905 Patrisious Haddad 2023-09-21 473 err = -EOPNOTSUPP;
f2f0231cfe8905 Patrisious Haddad 2023-09-21 474 goto release_peer;
f2f0231cfe8905 Patrisious Haddad 2023-09-21 475 }
f2f0231cfe8905 Patrisious Haddad 2023-09-21 476
f2f0231cfe8905 Patrisious Haddad 2023-09-21 477 in = kvzalloc(MLX5_ST_SZ_BYTES(create_flow_group_in), GFP_KERNEL);
f2f0231cfe8905 Patrisious Haddad 2023-09-21 478 if (!in) {
f2f0231cfe8905 Patrisious Haddad 2023-09-21 479 err = -ENOMEM;
f2f0231cfe8905 Patrisious Haddad 2023-09-21 480 goto release_peer;
f2f0231cfe8905 Patrisious Haddad 2023-09-21 481 }
f2f0231cfe8905 Patrisious Haddad 2023-09-21 482
f2f0231cfe8905 Patrisious Haddad 2023-09-21 483 ft_attr.level = (family == AF_INET) ? MLX5_IPSEC_RX_IPV4_FT_LEVEL :
f2f0231cfe8905 Patrisious Haddad 2023-09-21 484 MLX5_IPSEC_RX_IPV6_FT_LEVEL;
f2f0231cfe8905 Patrisious Haddad 2023-09-21 485 ft_attr.max_fte = 1;
f2f0231cfe8905 Patrisious Haddad 2023-09-21 486 ft = mlx5_create_flow_table(roce_ns, &ft_attr);
f2f0231cfe8905 Patrisious Haddad 2023-09-21 487 if (IS_ERR(ft)) {
f2f0231cfe8905 Patrisious Haddad 2023-09-21 488 err = PTR_ERR(ft);
f2f0231cfe8905 Patrisious Haddad 2023-09-21 489 mlx5_core_err(mdev, "Fail to create RoCE IPsec rx ft at rdma master err=%d\n", err);
f2f0231cfe8905 Patrisious Haddad 2023-09-21 490 goto free_in;
f2f0231cfe8905 Patrisious Haddad 2023-09-21 491 }
f2f0231cfe8905 Patrisious Haddad 2023-09-21 492
f2f0231cfe8905 Patrisious Haddad 2023-09-21 493 roce->ft_rdma = ft;
f2f0231cfe8905 Patrisious Haddad 2023-09-21 494
f2f0231cfe8905 Patrisious Haddad 2023-09-21 495 ft_attr.max_fte = 1;
f2f0231cfe8905 Patrisious Haddad 2023-09-21 496 ft_attr.prio = prio;
f2f0231cfe8905 Patrisious Haddad 2023-09-21 497 ft_attr.level = level + 2;
f2f0231cfe8905 Patrisious Haddad 2023-09-21 498 ft = mlx5_create_flow_table(nic_ns, &ft_attr);
f2f0231cfe8905 Patrisious Haddad 2023-09-21 499 if (IS_ERR(ft)) {
f2f0231cfe8905 Patrisious Haddad 2023-09-21 500 err = PTR_ERR(ft);
f2f0231cfe8905 Patrisious Haddad 2023-09-21 501 mlx5_core_err(mdev, "Fail to create RoCE IPsec rx ft at NIC master err=%d\n", err);
f2f0231cfe8905 Patrisious Haddad 2023-09-21 502 goto destroy_ft_rdma;
f2f0231cfe8905 Patrisious Haddad 2023-09-21 503 }
f2f0231cfe8905 Patrisious Haddad 2023-09-21 504 roce->nic_master_ft = ft;
f2f0231cfe8905 Patrisious Haddad 2023-09-21 505
f2f0231cfe8905 Patrisious Haddad 2023-09-21 506 MLX5_SET_CFG(in, start_flow_index, ix);
f2f0231cfe8905 Patrisious Haddad 2023-09-21 507 ix += 1;
f2f0231cfe8905 Patrisious Haddad 2023-09-21 508 MLX5_SET_CFG(in, end_flow_index, ix - 1);
f2f0231cfe8905 Patrisious Haddad 2023-09-21 509 g = mlx5_create_flow_group(roce->nic_master_ft, in);
f2f0231cfe8905 Patrisious Haddad 2023-09-21 510 if (IS_ERR(g)) {
f2f0231cfe8905 Patrisious Haddad 2023-09-21 511 err = PTR_ERR(g);
f2f0231cfe8905 Patrisious Haddad 2023-09-21 512 mlx5_core_err(mdev, "Fail to create RoCE IPsec rx group aliased err=%d\n", err);
f2f0231cfe8905 Patrisious Haddad 2023-09-21 513 goto destroy_nic_master_ft;
f2f0231cfe8905 Patrisious Haddad 2023-09-21 514 }
f2f0231cfe8905 Patrisious Haddad 2023-09-21 515 roce->nic_master_group = g;
f2f0231cfe8905 Patrisious Haddad 2023-09-21 516
f2f0231cfe8905 Patrisious Haddad 2023-09-21 517 err = ipsec_fs_create_aliased_ft(peer_priv->mdev, mdev, roce->nic_master_ft,
82f9378c443c20 Patrisious Haddad 2023-09-21 518 &roce->alias_id, roce->key, false);
f2f0231cfe8905 Patrisious Haddad 2023-09-21 519 if (err) {
f2f0231cfe8905 Patrisious Haddad 2023-09-21 520 mlx5_core_err(mdev, "Fail to create RoCE IPsec rx alias FT err=%d\n", err);
f2f0231cfe8905 Patrisious Haddad 2023-09-21 521 goto destroy_group;
f2f0231cfe8905 Patrisious Haddad 2023-09-21 522 }
f2f0231cfe8905 Patrisious Haddad 2023-09-21 523
f2f0231cfe8905 Patrisious Haddad 2023-09-21 524 next_ft.id = roce->alias_id;
f2f0231cfe8905 Patrisious Haddad 2023-09-21 525 ft_attr.max_fte = 1;
f2f0231cfe8905 Patrisious Haddad 2023-09-21 526 ft_attr.prio = prio;
f2f0231cfe8905 Patrisious Haddad 2023-09-21 527 ft_attr.level = roce->ft->level + 1;
f2f0231cfe8905 Patrisious Haddad 2023-09-21 528 ft_attr.flags = MLX5_FLOW_TABLE_UNMANAGED;
f2f0231cfe8905 Patrisious Haddad 2023-09-21 529 ft_attr.next_ft = &next_ft;
f2f0231cfe8905 Patrisious Haddad 2023-09-21 530 ft = mlx5_create_flow_table(ns, &ft_attr);
f2f0231cfe8905 Patrisious Haddad 2023-09-21 531 if (IS_ERR(ft)) {
f2f0231cfe8905 Patrisious Haddad 2023-09-21 532 err = PTR_ERR(ft);
f2f0231cfe8905 Patrisious Haddad 2023-09-21 533 mlx5_core_err(mdev, "Fail to create RoCE IPsec rx ft at NIC slave err=%d\n", err);
f2f0231cfe8905 Patrisious Haddad 2023-09-21 534 goto destroy_alias;
f2f0231cfe8905 Patrisious Haddad 2023-09-21 535 }
f2f0231cfe8905 Patrisious Haddad 2023-09-21 536 roce->goto_alias_ft = ft;
f2f0231cfe8905 Patrisious Haddad 2023-09-21 537
f2f0231cfe8905 Patrisious Haddad 2023-09-21 538 kvfree(in);
f2f0231cfe8905 Patrisious Haddad 2023-09-21 539 mlx5_devcom_for_each_peer_end(*ipsec_roce->devcom);
f2f0231cfe8905 Patrisious Haddad 2023-09-21 540 return 0;
f2f0231cfe8905 Patrisious Haddad 2023-09-21 541
f2f0231cfe8905 Patrisious Haddad 2023-09-21 542 destroy_alias:
f2f0231cfe8905 Patrisious Haddad 2023-09-21 543 mlx5_cmd_alias_obj_destroy(mdev, roce->alias_id,
f2f0231cfe8905 Patrisious Haddad 2023-09-21 544 MLX5_GENERAL_OBJECT_TYPES_FLOW_TABLE_ALIAS);
f2f0231cfe8905 Patrisious Haddad 2023-09-21 545 destroy_group:
f2f0231cfe8905 Patrisious Haddad 2023-09-21 546 mlx5_destroy_flow_group(roce->nic_master_group);
f2f0231cfe8905 Patrisious Haddad 2023-09-21 547 destroy_nic_master_ft:
f2f0231cfe8905 Patrisious Haddad 2023-09-21 548 mlx5_destroy_flow_table(roce->nic_master_ft);
f2f0231cfe8905 Patrisious Haddad 2023-09-21 549 destroy_ft_rdma:
f2f0231cfe8905 Patrisious Haddad 2023-09-21 550 mlx5_destroy_flow_table(roce->ft_rdma);
f2f0231cfe8905 Patrisious Haddad 2023-09-21 551 free_in:
f2f0231cfe8905 Patrisious Haddad 2023-09-21 552 kvfree(in);
f2f0231cfe8905 Patrisious Haddad 2023-09-21 553 release_peer:
f2f0231cfe8905 Patrisious Haddad 2023-09-21 554 mlx5_devcom_for_each_peer_end(*ipsec_roce->devcom);
f2f0231cfe8905 Patrisious Haddad 2023-09-21 555 return err;
f2f0231cfe8905 Patrisious Haddad 2023-09-21 556 }
f2f0231cfe8905 Patrisious Haddad 2023-09-21 557
:::::: The code at line 435 was first introduced by commit
:::::: f2f0231cfe8905af217e5bf1a08bfb8e4d3b74fb net/mlx5: Configure IPsec steering for ingress RoCEv2 MPV traffic
:::::: TO: Patrisious Haddad <phaddad@nvidia.com>
:::::: CC: Leon Romanovsky <leon@kernel.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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2025-06-22 13:56 [arnd-playground:to_build 44/57] drivers/net/ethernet/mellanox/mlx5/core/lib/ipsec_fs_roce.c:435:12: warning: stack frame size (1080) exceeds limit (1024) in 'ipsec_fs_roce_rx_mpv_create' kernel test robot
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