From: Maxime Coquelin <maxime.coquelin@redhat.com> To: dev@dpdk.org, chenbo.xia@intel.com, amorenoz@redhat.com Cc: Maxime Coquelin <maxime.coquelin@redhat.com>, stable@dpdk.org Subject: [dpdk-dev] [PATCH 6/7] vhost: validate index in async API Date: Mon, 19 Oct 2020 19:34:14 +0200 Message-ID: <20201019173415.582407-7-maxime.coquelin@redhat.com> (raw) In-Reply-To: <20201019173415.582407-1-maxime.coquelin@redhat.com> This patch validates the queue index parameter, in order to ensure no out-of-bound accesses happen. Fixes: 9eed6bfd2efb ("vhost: allow to enable or disable features") Cc: stable@dpdk.org Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com> --- lib/librte_vhost/vhost.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/lib/librte_vhost/vhost.c b/lib/librte_vhost/vhost.c index f78bdfcc94..e92ff618ac 100644 --- a/lib/librte_vhost/vhost.c +++ b/lib/librte_vhost/vhost.c @@ -1577,6 +1577,9 @@ int rte_vhost_async_channel_register(int vid, uint16_t queue_id, f.intval = features; + if (queue_id >= VHOST_MAX_VRING) + return -1; + vq = dev->virtqueue[queue_id]; if (unlikely(vq == NULL || !dev->async_copy)) @@ -1658,6 +1661,9 @@ int rte_vhost_async_channel_unregister(int vid, uint16_t queue_id) if (dev == NULL) return ret; + if (queue_id >= VHOST_MAX_VRING) + return ret; + vq = dev->virtqueue[queue_id]; if (vq == NULL) -- 2.26.2
next prev parent reply other threads:[~2020-10-19 17:36 UTC|newest] Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-10-19 17:34 [dpdk-dev] [PATCH 0/7] vhost: make VQ metadata dereferencing robust Maxime Coquelin 2020-10-19 17:34 ` [dpdk-dev] [PATCH 1/7] vhost: fix virtqueues metadata allocation Maxime Coquelin 2020-10-21 11:10 ` Xia, Chenbo 2020-10-21 12:06 ` Maxime Coquelin 2020-10-22 11:00 ` Xia, Chenbo 2020-10-19 17:34 ` [dpdk-dev] [PATCH 2/7] vhost: validate index in available entries API Maxime Coquelin 2020-10-21 11:28 ` Xia, Chenbo 2020-10-19 17:34 ` [dpdk-dev] [PATCH 3/7] vhost: validate index in guest notification API Maxime Coquelin 2020-10-21 11:30 ` Xia, Chenbo 2020-10-19 17:34 ` [dpdk-dev] [PATCH 4/7] vhost: validate index in live-migration API Maxime Coquelin 2020-10-21 11:30 ` Xia, Chenbo 2020-10-19 17:34 ` [dpdk-dev] [PATCH 5/7] vhost: validate index in inflight API Maxime Coquelin 2020-10-21 11:30 ` Xia, Chenbo 2020-10-19 17:34 ` Maxime Coquelin [this message] 2020-10-21 11:31 ` [dpdk-dev] [PATCH 6/7] vhost: validate index in async API Xia, Chenbo 2020-10-19 17:34 ` [dpdk-dev] [PATCH 7/7] vhost: check virtqueue metadata pointer Maxime Coquelin 2020-10-21 11:32 ` Xia, Chenbo 2020-10-23 11:21 ` [dpdk-dev] [PATCH 0/7] vhost: make VQ metadata dereferencing robust Maxime Coquelin
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20201019173415.582407-7-maxime.coquelin@redhat.com \ --to=maxime.coquelin@redhat.com \ --cc=amorenoz@redhat.com \ --cc=chenbo.xia@intel.com \ --cc=dev@dpdk.org \ --cc=stable@dpdk.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: link
DPDK patches and discussions This inbox may be cloned and mirrored by anyone: git clone --mirror https://inbox.dpdk.org/dev/0 dev/git/0.git # If you have public-inbox 1.1+ installed, you may # initialize and index your mirror using the following commands: public-inbox-init -V2 dev dev/ https://inbox.dpdk.org/dev \ dev@dpdk.org public-inbox-index dev Example config snippet for mirrors. Newsgroup available over NNTP: nntp://inbox.dpdk.org/inbox.dpdk.dev AGPL code for this site: git clone https://public-inbox.org/public-inbox.git