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[Bug network/20257] New: sunrpc: clntudp_call does not enforce timeout when receiving data

From: "fweimer at redhat dot com" <sourceware-bugzilla at sourceware dot org>
To: glibc-bugs at sourceware dot org
Date: Tue, 14 Jun 2016 18:02:30 +0000
Subject: [Bug network/20257] New: sunrpc: clntudp_call does not enforce timeout when receiving data
Auto-submitted: auto-generated

https://sourceware.org/bugzilla/show_bug.cgi?id=20257

            Bug ID: 20257
           Summary: sunrpc: clntudp_call does not enforce timeout when
                    receiving data
           Product: glibc
           Version: 2.24
            Status: NEW
          Severity: normal
          Priority: P2
         Component: network
          Assignee: unassigned at sourceware dot org
          Reporter: fweimer at redhat dot com
  Target Milestone: ---
             Flags: security-

clntudp_call fails to enforce the specified timeout if it continues to receive
data (such as garbage generated by a middlebox).

We should compute an absolute deadline and adjust the poll timeout before each
poll operation.

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