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Bug 1706777

Summary: glibc: [kselftests] net/run_netsocktests: Incompatible AF_MAX definition
Product: Red Hat Enterprise Linux 8 Reporter: Hangbin Liu <haliu>
Component: glibcAssignee: Carlos O'Donell <codonell>
Status: CLOSED ERRATA QA Contact: qe-baseos-tools-bugs
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 8.1CC: ashankar, codonell, dj, fweimer, ivecera, mnewsome, pfrankli, skolosov
Target Milestone: rcKeywords: Patch
Target Release: 8.1Flags: pm-rhel: mirror+
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: glibc-2.28-60.el8 Doc Type: No Doc Update
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2019-11-05 21:29:05 UTC Type: Enhancement
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On:    
Bug Blocks: 1684553, 1704655    
Deadline: 2019-05-22   

Description Hangbin Liu 2019-05-06 09:55:02 UTC 
Description of problem:

On RHEL8 and latest linux kernel, AF_MAX is defined 45 in include/linux/socket.h:

#define AF_XDP          44
#define AF_MAX          45       /* For now.. */

But current glibc-headers on RHEL8 still defined

#define PF_MAX          44

This makes kernel self test socket.c failed as it checks socket(AF_MAX,0,0) return value.
Comment 1 Florian Weimer 2019-05-06 11:55:49 UTC 
This test is generally invalid because you cannot assume that the userspace headers match what the host kernel uses.

However, we can view this as a request to backport this upstream commit:

commit 38b0593e9a862c3b35392a0f5b202696b8116aa3
Author: Tobias Klauser <tklauser>
Date:   Tue Aug 21 17:22:53 2018 +0000

    Add PF_XDP, AF_XDP and SOL_XDP from Linux 4.18 to bits/socket.h.
    
    This patch adds the PF_XDP, AF_XDP and SOL_XDP macros from Linux 4.18 to
    sysdeps/unix/sysv/linux/bits/socket.h.
Comment 8 Sergey Kolosov 2019-08-23 09:06:42 UTC 
Verified with linux/tools/testing/selftests/net/socket.c test case
Comment 10 errata-xmlrpc 2019-11-05 21:29:05 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHSA-2019:3513