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{
    "id": 120007,
    "url": "http://patchwork.dpdk.org/api/patches/120007/?format=api",
    "web_url": "http://patchwork.dpdk.org/project/dpdk/patch/20221121204015.1135573-5-okaya@kernel.org/",
    "project": {
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        "name": "DPDK",
        "link_name": "dpdk",
        "list_id": "dev.dpdk.org",
        "list_email": "dev@dpdk.org",
        "web_url": "http://core.dpdk.org",
        "scm_url": "git://dpdk.org/dpdk",
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    "msgid": "<20221121204015.1135573-5-okaya@kernel.org>",
    "list_archive_url": "https://inbox.dpdk.org/dev/20221121204015.1135573-5-okaya@kernel.org",
    "date": "2022-11-21T20:40:10",
    "name": "[04/11] memzone: check result of malloc_elem_from_data",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": true,
    "hash": "6f8030838348d4c67aefd582d8aacff3d3a89c57",
    "submitter": {
        "id": 2903,
        "url": "http://patchwork.dpdk.org/api/people/2903/?format=api",
        "name": "Sinan Kaya",
        "email": "okaya@kernel.org"
    },
    "delegate": null,
    "mbox": "http://patchwork.dpdk.org/project/dpdk/patch/20221121204015.1135573-5-okaya@kernel.org/mbox/",
    "series": [
        {
            "id": 25842,
            "url": "http://patchwork.dpdk.org/api/series/25842/?format=api",
            "web_url": "http://patchwork.dpdk.org/project/dpdk/list/?series=25842",
            "date": "2022-11-21T20:40:06",
            "name": "codeql fixes for various subsystems",
            "version": 1,
            "mbox": "http://patchwork.dpdk.org/series/25842/mbox/"
        }
    ],
    "comments": "http://patchwork.dpdk.org/api/patches/120007/comments/",
    "check": "success",
    "checks": "http://patchwork.dpdk.org/api/patches/120007/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<dev-bounces@dpdk.org>",
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        "From": "okaya@kernel.org",
        "To": "dev@dpdk.org",
        "Cc": "Sinan Kaya <okaya@kernel.org>",
        "Subject": "[PATCH 04/11] memzone: check result of malloc_elem_from_data",
        "Date": "Mon, 21 Nov 2022 15:40:10 -0500",
        "Message-Id": "<20221121204015.1135573-5-okaya@kernel.org>",
        "X-Mailer": "git-send-email 2.25.1",
        "In-Reply-To": "<20221121204015.1135573-1-okaya@kernel.org>",
        "References": "<20221121204015.1135573-1-okaya@kernel.org>",
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        "Errors-To": "dev-bounces@dpdk.org"
    },
    "content": "From: Sinan Kaya <okaya@kernel.org>\n\nIn memzone_reserve_aligned_thread_unsafe result of call\nto malloc_elem_from_data is dereferenced here and may be null.\n\nSigned-off-by: Sinan Kaya <okaya@kernel.org>\n---\n lib/eal/common/eal_common_memzone.c | 4 ++++\n 1 file changed, 4 insertions(+)",
    "diff": "diff --git a/lib/eal/common/eal_common_memzone.c b/lib/eal/common/eal_common_memzone.c\nindex 0ed03ad337..74aa5ac114 100644\n--- a/lib/eal/common/eal_common_memzone.c\n+++ b/lib/eal/common/eal_common_memzone.c\n@@ -169,6 +169,10 @@ memzone_reserve_aligned_thread_unsafe(const char *name, size_t len,\n \t}\n \n \tstruct malloc_elem *elem = malloc_elem_from_data(mz_addr);\n+\tif (!elem) {\n+\t\trte_errno = ENOSPC;\n+\t\treturn NULL;\n+\t}\n \n \t/* fill the zone in config */\n \tmz_idx = rte_fbarray_find_next_free(arr, 0);\n",
    "prefixes": [
        "04/11"
    ]
}