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{
    "id": 806127,
    "url": "http://patchwork.ozlabs.org/api/1.2/patches/806127/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/netdev/patch/1503760140-9095-5-git-send-email-minipli@googlemail.com/",
    "project": {
        "id": 7,
        "url": "http://patchwork.ozlabs.org/api/1.2/projects/7/?format=api",
        "name": "Linux network development",
        "link_name": "netdev",
        "list_id": "netdev.vger.kernel.org",
        "list_email": "netdev@vger.kernel.org",
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    "msgid": "<1503760140-9095-5-git-send-email-minipli@googlemail.com>",
    "list_archive_url": null,
    "date": "2017-08-26T15:09:00",
    "name": "[net,4/4] xfrm_user: fix info leak in build_aevent()",
    "commit_ref": null,
    "pull_url": null,
    "state": "awaiting-upstream",
    "archived": true,
    "hash": "ce575bc1b9d6d118e4c5154517c77ff8d3722474",
    "submitter": {
        "id": 6743,
        "url": "http://patchwork.ozlabs.org/api/1.2/people/6743/?format=api",
        "name": "Mathias Krause",
        "email": "minipli@googlemail.com"
    },
    "delegate": {
        "id": 34,
        "url": "http://patchwork.ozlabs.org/api/1.2/users/34/?format=api",
        "username": "davem",
        "first_name": "David",
        "last_name": "Miller",
        "email": "davem@davemloft.net"
    },
    "mbox": "http://patchwork.ozlabs.org/project/netdev/patch/1503760140-9095-5-git-send-email-minipli@googlemail.com/mbox/",
    "series": [],
    "comments": "http://patchwork.ozlabs.org/api/patches/806127/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/806127/checks/",
    "tags": {},
    "related": [],
    "headers": {
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        "X-Received": "by 10.223.136.151 with SMTP id f23mr1188069wrf.193.1503760170725;\n\tSat, 26 Aug 2017 08:09:30 -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>,\n\tJamal Hadi Salim <jhs@mojatatu.com>",
        "Subject": "[PATCH net 4/4] xfrm_user: fix info leak in build_aevent()",
        "Date": "Sat, 26 Aug 2017 17:09:00 +0200",
        "Message-Id": "<1503760140-9095-5-git-send-email-minipli@googlemail.com>",
        "X-Mailer": "git-send-email 1.7.10.4",
        "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 ID of the xfrm state includes a padding\nbyte in struct xfrm_usersa_id added by the compiler for alignment. To\nprevent the heap info leak, memset(0) the sa_id before filling it.\n\nCc: Jamal Hadi Salim <jhs@mojatatu.com>\nFixes: d51d081d6504 (\"[IPSEC]: Sync series - user\")\nSigned-off-by: Mathias Krause <minipli@googlemail.com>\n---\n net/xfrm/xfrm_user.c |    1 +\n 1 file changed, 1 insertion(+)",
    "diff": "diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c\nindex 2cbdc81610c6..9391ced05259 100644\n--- a/net/xfrm/xfrm_user.c\n+++ b/net/xfrm/xfrm_user.c\n@@ -1869,6 +1869,7 @@ static int build_aevent(struct sk_buff *skb, struct xfrm_state *x, const struct\n \t\treturn -EMSGSIZE;\n \n \tid = nlmsg_data(nlh);\n+\tmemset(&id->sa_id, 0, sizeof(id->sa_id));\n \tmemcpy(&id->sa_id.daddr, &x->id.daddr, sizeof(x->id.daddr));\n \tid->sa_id.spi = x->id.spi;\n \tid->sa_id.family = x->props.family;\n",
    "prefixes": [
        "net",
        "4/4"
    ]
}