From: bugzilla@dpdk.org
To: dev@dpdk.org
Subject: [dpdk-dev] [Bug 252] Possible access to invalid FDs in rte_eth_tap
Date: Fri, 12 Apr 2019 16:58:53 +0000 [thread overview]
Message-ID: <bug-252-3@http.bugs.dpdk.org/> (raw)
https://bugs.dpdk.org/show_bug.cgi?id=252
Bug ID: 252
Summary: Possible access to invalid FDs in rte_eth_tap
Product: DPDK
Version: 18.11
Hardware: All
OS: All
Status: CONFIRMED
Severity: normal
Priority: Normal
Component: ethdev
Assignee: dev@dpdk.org
Reporter: herakliusz.lipiec@intel.com
Target Milestone: ---
In tap_mp_attach_queues function in rte_eth_tap.c we iterate over a queue of
fds received through IPC and we dont check if they are valid FDs before
assigning them to txq and rxq. There is also no check for number of received
messages (there could be none if IPC is disabled so checking of the return code
is not enough).
Present in 18.11, 19.02 and 19.05rc1.
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