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{
    "id": 806126,
    "url": "http://patchwork.ozlabs.org/api/patches/806126/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/netdev/patch/1503760140-9095-2-git-send-email-minipli@googlemail.com/",
    "project": {
        "id": 7,
        "url": "http://patchwork.ozlabs.org/api/projects/7/?format=api",
        "name": "Linux network development",
        "link_name": "netdev",
        "list_id": "netdev.vger.kernel.org",
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    "msgid": "<1503760140-9095-2-git-send-email-minipli@googlemail.com>",
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    "date": "2017-08-26T15:08:57",
    "name": "[net,1/4] xfrm_user: fix info leak in copy_user_offload()",
    "commit_ref": null,
    "pull_url": null,
    "state": "awaiting-upstream",
    "archived": true,
    "hash": "8728d1e3acc53fd07fdb74798add4438341b11e0",
    "submitter": {
        "id": 6743,
        "url": "http://patchwork.ozlabs.org/api/people/6743/?format=api",
        "name": "Mathias Krause",
        "email": "minipli@googlemail.com"
    },
    "delegate": {
        "id": 34,
        "url": "http://patchwork.ozlabs.org/api/users/34/?format=api",
        "username": "davem",
        "first_name": "David",
        "last_name": "Miller",
        "email": "davem@davemloft.net"
    },
    "mbox": "http://patchwork.ozlabs.org/project/netdev/patch/1503760140-9095-2-git-send-email-minipli@googlemail.com/mbox/",
    "series": [],
    "comments": "http://patchwork.ozlabs.org/api/patches/806126/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/806126/checks/",
    "tags": {},
    "related": [],
    "headers": {
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        "X-Received": "by 10.28.24.83 with SMTP id 80mr864048wmy.86.1503760166951;\n\tSat, 26 Aug 2017 08:09:26 -0700 (PDT)",
        "From": "Mathias Krause <minipli@googlemail.com>",
        "To": "Steffen Klassert <steffen.klassert@secunet.com>,\n\t\"David S. Miller\" <davem@davemloft.net>,\n\tHerbert Xu <herbert@gondor.apana.org.au>",
        "Cc": "netdev@vger.kernel.org, Mathias Krause <minipli@googlemail.com>",
        "Subject": "[PATCH net 1/4] xfrm_user: fix info leak in copy_user_offload()",
        "Date": "Sat, 26 Aug 2017 17:08:57 +0200",
        "Message-Id": "<1503760140-9095-2-git-send-email-minipli@googlemail.com>",
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        "In-Reply-To": "<1503760140-9095-1-git-send-email-minipli@googlemail.com>",
        "References": "<1503760140-9095-1-git-send-email-minipli@googlemail.com>",
        "Sender": "netdev-owner@vger.kernel.org",
        "Precedence": "bulk",
        "List-ID": "<netdev.vger.kernel.org>",
        "X-Mailing-List": "netdev@vger.kernel.org"
    },
    "content": "The memory reserved to dump the xfrm offload state includes padding\nbytes of struct xfrm_user_offload added by the compiler for alignment.\nAdd an explicit memset(0) before filling the buffer to avoid the heap\ninfo leak.\n\nCc: Steffen Klassert <steffen.klassert@secunet.com>\nFixes: d77e38e612a0 (\"xfrm: Add an IPsec hardware offloading API\")\nSigned-off-by: Mathias Krause <minipli@googlemail.com>\n---\n net/xfrm/xfrm_user.c |    2 +-\n 1 file changed, 1 insertion(+), 1 deletion(-)",
    "diff": "diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c\nindex 2be4c6af008a..3259555ae7d7 100644\n--- a/net/xfrm/xfrm_user.c\n+++ b/net/xfrm/xfrm_user.c\n@@ -796,7 +796,7 @@ static int copy_user_offload(struct xfrm_state_offload *xso, struct sk_buff *skb\n \t\treturn -EMSGSIZE;\n \n \txuo = nla_data(attr);\n-\n+\tmemset(xuo, 0, sizeof(*xuo));\n \txuo->ifindex = xso->dev->ifindex;\n \txuo->flags = xso->flags;\n \n",
    "prefixes": [
        "net",
        "1/4"
    ]
}