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{
    "id": 120008,
    "url": "http://patchwork.dpdk.org/api/patches/120008/?format=api",
    "web_url": "http://patchwork.dpdk.org/project/dpdk/patch/20221121204015.1135573-6-okaya@kernel.org/",
    "project": {
        "id": 1,
        "url": "http://patchwork.dpdk.org/api/projects/1/?format=api",
        "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",
        "webscm_url": "http://git.dpdk.org/dpdk",
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    },
    "msgid": "<20221121204015.1135573-6-okaya@kernel.org>",
    "list_archive_url": "https://inbox.dpdk.org/dev/20221121204015.1135573-6-okaya@kernel.org",
    "date": "2022-11-21T20:40:11",
    "name": "[05/11] malloc: malloc_elem_join_adjacent_free can return null",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": true,
    "hash": "4011255ffe8e68b4c9b578f2a9cd7b2f7bc6a9be",
    "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/20221121204015.1135573-6-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/120008/comments/",
    "check": "warning",
    "checks": "http://patchwork.dpdk.org/api/patches/120008/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<dev-bounces@dpdk.org>",
        "X-Original-To": "patchwork@inbox.dpdk.org",
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        ],
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        "From": "okaya@kernel.org",
        "To": "dev@dpdk.org",
        "Cc": "Sinan Kaya <okaya@kernel.org>",
        "Subject": "[PATCH 05/11] malloc: malloc_elem_join_adjacent_free can return null",
        "Date": "Mon, 21 Nov 2022 15:40:11 -0500",
        "Message-Id": "<20221121204015.1135573-6-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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        "X-BeenThere": "dev@dpdk.org",
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        "Precedence": "list",
        "List-Id": "DPDK patches and discussions <dev.dpdk.org>",
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        "Errors-To": "dev-bounces@dpdk.org"
    },
    "content": "From: Sinan Kaya <okaya@kernel.org>\n\nIn malloc_heap_add_memory result of call to malloc_elem_join_adjacent_free\nis dereferenced here and may be null.\n\nSigned-off-by: Sinan Kaya <okaya@kernel.org>\n---\n lib/eal/common/malloc_heap.c | 3 +++\n 1 file changed, 3 insertions(+)",
    "diff": "diff --git a/lib/eal/common/malloc_heap.c b/lib/eal/common/malloc_heap.c\nindex d7c410b786..d2ccc387bf 100644\n--- a/lib/eal/common/malloc_heap.c\n+++ b/lib/eal/common/malloc_heap.c\n@@ -97,6 +97,9 @@ malloc_heap_add_memory(struct malloc_heap *heap, struct rte_memseg_list *msl,\n \tmalloc_elem_insert(elem);\n \n \telem = malloc_elem_join_adjacent_free(elem);\n+\tif (!elem) {\n+\t\treturn NULL;\n+\t}\n \n \tmalloc_elem_free_list_insert(elem);\n \n",
    "prefixes": [
        "05/11"
    ]
}