From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 8625146F0A; Tue, 23 Sep 2025 06:23:39 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 4C8724021F; Tue, 23 Sep 2025 06:23:39 +0200 (CEST) Received: from inbox.dpdk.org (inbox.dpdk.org [95.142.172.178]) by mails.dpdk.org (Postfix) with ESMTP id 9D82040144 for ; Tue, 23 Sep 2025 06:23:37 +0200 (CEST) Received: by inbox.dpdk.org (Postfix, from userid 33) id 8F90B46F53; Tue, 23 Sep 2025 06:23:37 +0200 (CEST) From: bugzilla@dpdk.org To: dev@dpdk.org Subject: [DPDK/ethdev Bug 1790] warnings in CNXK when built with LTO Date: Tue, 23 Sep 2025 04:23:36 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: DPDK X-Bugzilla-Component: ethdev X-Bugzilla-Version: 25.07 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: stephen@networkplumber.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: Normal X-Bugzilla-Assigned-To: dev@dpdk.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter target_milestone Message-ID: Content-Type: multipart/alternative; boundary=17586014170.E253.233700 Content-Transfer-Encoding: 7bit X-Bugzilla-URL: https://bugs.dpdk.org/ Auto-Submitted: auto-generated X-Auto-Response-Suppress: All MIME-Version: 1.0 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org --17586014170.E253.233700 Date: Tue, 23 Sep 2025 06:23:37 +0200 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.dpdk.org/ Auto-Submitted: auto-generated X-Auto-Response-Suppress: All https://bugs.dpdk.org/show_bug.cgi?id=3D1790 Bug ID: 1790 Summary: warnings in CNXK when built with LTO Product: DPDK Version: 25.07 Hardware: All OS: All Status: UNCONFIRMED Severity: normal Priority: Normal Component: ethdev Assignee: dev@dpdk.org Reporter: stephen@networkplumber.org Target Milestone: --- If DPDK is built with link time optimization the compiler can see across fi= le scope and detect more errors like this. $ meson setup build -Db_lto=3Dtrue && ninja --quiet -C build In function =E2=80=98parse_flag=E2=80=99, inlined from =E2=80=98kvargs_process_common=E2=80=99 at ../lib/kvargs/r= te_kvargs.c:187:9, inlined from =E2=80=98rte_kvargs_process=E2=80=99 at ../lib/kvargs/rte_= kvargs.c:203:9, inlined from =E2=80=98cnxk_ethdev_parse_devargs=E2=80=99 at ../drivers/net/cnxk/cnxk_ethdev_devargs.c:371:2: ../drivers/net/cnxk/cnxk_ethdev_devargs.c:166: warning: writing 2 bytes int= o a region of size 1 [-Wstringop-overflow=3D] 166 | *(uint16_t *)extra_args =3D atoi(value); ../drivers/net/cnxk/cnxk_ethdev_devargs.c: In function =E2=80=98cnxk_ethdev_parse_devargs=E2=80=99: ../drivers/net/cnxk/cnxk_ethdev_devargs.c:306:17: note: destination object =E2=80=98force_tail_drop=E2=80=99 of size 1 306 | uint8_t force_tail_drop =3D 0; | ^ In function =E2=80=98parse_flag=E2=80=99, inlined from =E2=80=98kvargs_process_common=E2=80=99 at ../lib/kvargs/r= te_kvargs.c:187:9, inlined from =E2=80=98rte_kvargs_process=E2=80=99 at ../lib/kvargs/rte_= kvargs.c:203:9, inlined from =E2=80=98cnxk_ethdev_parse_devargs=E2=80=99 at ../drivers/net/cnxk/cnxk_ethdev_devargs.c:372:2: ../drivers/net/cnxk/cnxk_ethdev_devargs.c:166: warning: writing 2 bytes int= o a region of size 1 [-Wstringop-overflow=3D] 166 | *(uint16_t *)extra_args =3D atoi(value); ../drivers/net/cnxk/cnxk_ethdev_devargs.c: In function =E2=80=98cnxk_ethdev_parse_devargs=E2=80=99: ../drivers/net/cnxk/cnxk_ethdev_devargs.c:312:17: note: destination object =E2=80=98dis_xqe_drop=E2=80=99 of size 1 312 | uint8_t dis_xqe_drop =3D 0; | ^ ../drivers/common/cnxk/roc_platform.c: In function =E2=80=98irq_config=E2= =80=99: ../drivers/common/cnxk/roc_platform.c:55:14: warning: argument to variable-length array is too large [-Wvla-larger-than=3D] 55 | char irq_set_buf[MSIX_IRQ_SET_BUF_LEN]; | ^ ../drivers/common/cnxk/roc_platform.c:55:14: note: limit is 922337203685477= 5807 bytes, but argument is 18446744073709551548 ../drivers/common/cnxk/roc_platform.c: In function =E2=80=98irq_init=E2=80= =99: ../drivers/common/cnxk/roc_platform.c:91:14: warning: argument to variable-length array is too large [-Wvla-larger-than=3D] 91 | char irq_set_buf[MSIX_IRQ_SET_BUF_LEN]; | ^ ../drivers/common/cnxk/roc_platform.c:91:14: note: limit is 922337203685477= 5807 bytes, but argument is 18446744073709551548 In function =E2=80=98roc_ow_reass_inb_sa_init=E2=80=99, inlined from =E2=80=98nix_inl_reass_inb_sa_tbl_setup=E2=80=99 at ../drivers/common/cnxk/roc_nix_inl.c:610:2, inlined from =E2=80=98nix_inl_inb_init=E2=80=99 at ../drivers/common/cnxk/roc_nix_inl.c:1417:8, inlined from =E2=80=98roc_nix_inl_inb_init=E2=80=99 at ../drivers/common/cnxk/roc_nix_inl.c:1439:9: ../drivers/common/cnxk/roc_ie_ow.c:35:9: warning: =E2=80=98memset=E2=80=99 = writing 808 bytes into a region of size 1 overflows the destination [-Wstringop-overflow=3D] 35 | memset(sa, 0, sizeof(struct roc_ow_ipsec_inb_sa)); | ^ In function =E2=80=98nix_inl_reass_inb_sa_tbl_setup=E2=80=99, inlined from =E2=80=98nix_inl_inb_init=E2=80=99 at ../drivers/common/cnxk/roc_nix_inl.c:1417:8, inlined from =E2=80=98roc_nix_inl_inb_init=E2=80=99 at ../drivers/common/cnxk/roc_nix_inl.c:1439:9: ../drivers/common/cnxk/roc_nix_inl.c:603:40: note: destination object of si= ze 1 allocated by =E2=80=98rte_zmalloc=E2=80=99 603 | nix->inb_sa_base[profile_id] =3D plt_zmalloc(inb_sa_sz * ma= x_sa, ROC_NIX_INL_SA_BASE_ALIGN); | --=20 You are receiving this mail because: You are the assignee for the bug.= --17586014170.E253.233700 Date: Tue, 23 Sep 2025 06:23:37 +0200 MIME-Version: 1.0 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.dpdk.org/ Auto-Submitted: auto-generated X-Auto-Response-Suppress: All
Bug ID 1790
Summary warnings in CNXK when built with LTO
Product DPDK
Version 25.07
Hardware All
OS All
Status UNCONFIRMED
Severity normal
Priority Normal
Component ethdev
Assignee dev@dpdk.org
Reporter stephen@networkplumber.org
Target Milestone --- 

If DPDK is built with link time op=
timization the compiler can see across file
scope and detect more errors like this.

$ meson setup build -Db_lto=3Dtrue && ninja --quiet -C build

In function =E2=80=98parse_flag=E2=80=99,
    inlined from =E2=80=98kvargs_process_common=E2=80=99 at ../lib/kvargs/r=
te_kvargs.c:187:9,
    inlined from =E2=80=98rte_kvargs_process=E2=80=99 at ../lib/kvargs/rte_=
kvargs.c:203:9,
    inlined from =E2=80=98cnxk_ethdev_parse_devargs=E2=80=99 at
../drivers/net/cnxk/cnxk_ethdev_devargs.c:371:2:
../drivers/net/cnxk/cnxk_ethdev_devargs.c:166: warning: writing 2 bytes int=
o a
region of size 1 [-Wstringop-overflow=3D]
  166 |         *(uint16_t *)extra_args =3D atoi(value);
../drivers/net/cnxk/cnxk_ethdev_devargs.c: In function
=E2=80=98cnxk_ethdev_parse_devargs=E2=80=99:
../drivers/net/cnxk/cnxk_ethdev_devargs.c:306:17: note: destination object
=E2=80=98force_tail_drop=E2=80=99 of size 1
  306 |         uint8_t force_tail_drop =3D 0;
      |                 ^
In function =E2=80=98parse_flag=E2=80=99,
    inlined from =E2=80=98kvargs_process_common=E2=80=99 at ../lib/kvargs/r=
te_kvargs.c:187:9,
    inlined from =E2=80=98rte_kvargs_process=E2=80=99 at ../lib/kvargs/rte_=
kvargs.c:203:9,
    inlined from =E2=80=98cnxk_ethdev_parse_devargs=E2=80=99 at
../drivers/net/cnxk/cnxk_ethdev_devargs.c:372:2:
../drivers/net/cnxk/cnxk_ethdev_devargs.c:166: warning: writing 2 bytes int=
o a
region of size 1 [-Wstringop-overflow=3D]
  166 |         *(uint16_t *)extra_args =3D atoi(value);
../drivers/net/cnxk/cnxk_ethdev_devargs.c: In function
=E2=80=98cnxk_ethdev_parse_devargs=E2=80=99:
../drivers/net/cnxk/cnxk_ethdev_devargs.c:312:17: note: destination object
=E2=80=98dis_xqe_drop=E2=80=99 of size 1
  312 |         uint8_t dis_xqe_drop =3D 0;
      |                 ^
../drivers/common/cnxk/roc_platform.c: In function =E2=80=98irq_config=E2=
=80=99:
../drivers/common/cnxk/roc_platform.c:55:14: warning: argument to
variable-length array is too large [-Wvla-larger-than=3D]
   55 |         char irq_set_buf[MSIX_IRQ_SET_BUF_LEN];
      |              ^
../drivers/common/cnxk/roc_platform.c:55:14: note: limit is 922337203685477=
5807
bytes, but argument is 18446744073709551548
../drivers/common/cnxk/roc_platform.c: In function =E2=80=98irq_init=E2=80=
=99:
../drivers/common/cnxk/roc_platform.c:91:14: warning: argument to
variable-length array is too large [-Wvla-larger-than=3D]
   91 |         char irq_set_buf[MSIX_IRQ_SET_BUF_LEN];
      |              ^
../drivers/common/cnxk/roc_platform.c:91:14: note: limit is 922337203685477=
5807
bytes, but argument is 18446744073709551548
In function =E2=80=98roc_ow_reass_inb_sa_init=E2=80=99,
    inlined from =E2=80=98nix_inl_reass_inb_sa_tbl_setup=E2=80=99 at
../drivers/common/cnxk/roc_nix_inl.c:610:2,
    inlined from =E2=80=98nix_inl_inb_init=E2=80=99 at
../drivers/common/cnxk/roc_nix_inl.c:1417:8,
    inlined from =E2=80=98roc_nix_inl_inb_init=E2=80=99 at
../drivers/common/cnxk/roc_nix_inl.c:1439:9:
../drivers/common/cnxk/roc_ie_ow.c:35:9: warning: =E2=80=98memset=E2=80=99 =
writing 808 bytes
into a region of size 1 overflows the destination [-Wstringop-overflow=3D]
   35 |         memset(sa, 0, sizeof(struct roc_ow_ipsec_inb_sa));
      |         ^
In function =E2=80=98nix_inl_reass_inb_sa_tbl_setup=E2=80=99,
    inlined from =E2=80=98nix_inl_inb_init=E2=80=99 at
../drivers/common/cnxk/roc_nix_inl.c:1417:8,
    inlined from =E2=80=98roc_nix_inl_inb_init=E2=80=99 at
../drivers/common/cnxk/roc_nix_inl.c:1439:9:
../drivers/common/cnxk/roc_nix_inl.c:603:40: note: destination object of si=
ze 1
allocated by =E2=80=98rte_zmalloc=E2=80=99
  603 |         nix->inb_sa_base[profile_id] =3D plt_zmalloc(inb_sa_sz *=
 max_sa,
ROC_NIX_INL_SA_BASE_ALIGN);
      |

You are receiving this mail because:
  • You are the assignee for the bug.
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= --17586014170.E253.233700--