From: bugzilla@dpdk.org
To: dev@dpdk.org
Subject: [Bug 1364] telemetry conns may leak in certain situation
Date: Sat, 13 Jan 2024 05:59:35 +0000 [thread overview]
Message-ID: <bug-1364-3@http.bugs.dpdk.org/> (raw)
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https://bugs.dpdk.org/show_bug.cgi?id=1364
Bug ID: 1364
Summary: telemetry conns may leak in certain situation
Product: DPDK
Version: unspecified
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: other
Assignee: dev@dpdk.org
Reporter: 1819846787@qq.com
Target Milestone: ---
Every time the telemetry server successfully returns from the accept, it
atomically increases the value of num_clients（if < MAX_CONNECTIONS） and then
executes pthread_create to create a thread to execute the client_handler
function. In this function, some information will be written to the client. If
the write fails, the thread returns NULL without atomically reducing
num_clients, this will cause the Telemetry server to run for a period of time,
and the value of num_clients will be greater than 10, resulting in telemetry
being unavailable.
Therefore, the decrease in atomicity v2_clients should occur after the write()
failure
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