Resolves: #2210892 - fix sendmsg error code for new kernel

This commit is contained in:
Josef Řídký 2023-08-02 21:19:03 +02:00
parent 741f21d440
commit 1efb7662a9
2 changed files with 37 additions and 1 deletions

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@ -0,0 +1,31 @@
From 298c8103db80b292791616af4fd497342a71867f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Josef=20=C5=98=C3=ADdk=C3=BD?= <jridky@redhat.com>
Date: Wed, 24 May 2023 10:49:41 +0200
Subject: [PATCH] libsnmp, UDP transport: Fix sendmsg() error code handling
This change has been made because of Linux kernel commit "ipv4: Return
-ENETUNREACH if we can't create route but saddr is valid"
(https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=595e0651d029)
Fixes: https://github.com/net-snmp/net-snmp/issues/564
Fixes: https://github.com/net-snmp/net-snmp/pull/576
[ bvanassche: edited commit message ]
---
snmplib/transports/snmpUDPBaseDomain.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/snmplib/transports/snmpUDPBaseDomain.c b/snmplib/transports/snmpUDPBaseDomain.c
index ca8f9a5554..cd6b15e2ad 100644
--- a/snmplib/transports/snmpUDPBaseDomain.c
+++ b/snmplib/transports/snmpUDPBaseDomain.c
@@ -315,7 +315,7 @@ int netsnmp_udpbase_sendto_unix(int fd, const struct in_addr *srcip,
sizeof(struct sockaddr));
else
rc = sendmsg(fd, &m, MSG_DONTWAIT);
- if (rc >= 0 || errno != EINVAL)
+ if (rc >= 0 || (errno != EINVAL && errno != ENETUNREACH))
return rc;
/*

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@ -10,7 +10,7 @@
Summary: A collection of SNMP protocol tools and libraries
Name: net-snmp
Version: 5.9.1
Release: 9%{?dist}
Release: 10%{?dist}
Epoch: 1
License: BSD
@ -54,6 +54,7 @@ Patch24: net-snmp-5.9-twice-IP-parsing.patch
Patch25: net-snmp-5.9-openssl-3.0.patch
Patch26: net-snmp-5.9-CVE-2022-44792-44793.patch
Patch27: net-snmp-5.9-ipv6-disable-leak.patch
Patch28: net-snmp-5.9-sendmsg-error-code.patch
# Modern RPM API means at least EL6
Patch101: net-snmp-5.8-modern-rpm-api.patch
@ -233,6 +234,7 @@ cp %{SOURCE10} .
%patch25 -p1 -b .openssl-3-0
%patch26 -p1
%patch27 -p1 -b .ipv6-disable-leak
%patch28 -p1 -b .sendmsg-error-code
%patch101 -p1 -b .modern-rpm-api
%patch102 -p1
@ -502,6 +504,9 @@ LD_LIBRARY_PATH=%{buildroot}/%{_libdir} make test
%{_libdir}/libnetsnmptrapd*.so.%{soname}*
%changelog
* Wed Aug 02 2023 Josef Ridky <jridky@redhat.com> - 1:5.9.1-10
- fix sendmsg error code for new kernel (#2210892)
* Wed Feb 15 2023 Josef Ridky <jridky@redhat.com> - 1:5.9.1-9
- fix CVE-2022-44792 and CVE-2022-44793 (#2141902) and (#2141906)
- fix memory leak when ipv6 disable set to 1 (#2151540)