import net-snmp-5.8-25.el8_7.1
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SOURCES/net-snmp-5.8-memleak-backport.patch
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SOURCES/net-snmp-5.8-memleak-backport.patch
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From c6facf2f080c9e1ea803e4884dc92889ec83d990 Mon Sep 17 00:00:00 2001
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From: Drew A Roedersheimer <Drew.A.Roedersheimer@leidos.com>
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Date: Wed, 10 Oct 2018 21:42:35 -0700
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Subject: [PATCH] snmplib/keytools: Fix a memory leak
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Avoid that Valgrind reports the following memory leak:
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17,328 bytes in 361 blocks are definitely lost in loss record 696 of 704
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at 0x4C29BE3: malloc (vg_replace_malloc.c:299)
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by 0x52223B7: CRYPTO_malloc (in /usr/lib64/libcrypto.so.1.0.2k)
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by 0x52DDB06: EVP_MD_CTX_create (in /usr/lib64/libcrypto.so.1.0.2k)
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by 0x4E9885D: generate_Ku (keytools.c:186)
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by 0x40171F: asynchronous (leaktest.c:276)
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by 0x400FE7: main (leaktest.c:356)
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---
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snmplib/keytools.c | 12 ++++++++----
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1 file changed, 8 insertions(+), 4 deletions(-)
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diff --git a/snmplib/keytools.c b/snmplib/keytools.c
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index 2cf0240abf..dcdae044ac 100644
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--- a/snmplib/keytools.c
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+++ b/snmplib/keytools.c
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@@ -186,11 +186,15 @@ generate_Ku(const oid * hashtype, u_int hashtype_len,
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ctx = EVP_MD_CTX_create();
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#else
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ctx = malloc(sizeof(*ctx));
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- if (!EVP_MD_CTX_init(ctx))
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- return SNMPERR_GENERR;
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+ if (!EVP_MD_CTX_init(ctx)) {
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+ rval = SNMPERR_GENERR;
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+ goto generate_Ku_quit;
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+ }
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#endif
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- if (!EVP_DigestInit(ctx, hashfn))
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- return SNMPERR_GENERR;
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+ if (!EVP_DigestInit(ctx, hashfn)) {
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+ rval = SNMPERR_GENERR;
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+ goto generate_Ku_quit;
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+ }
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#elif NETSNMP_USE_INTERNAL_CRYPTO
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#ifndef NETSNMP_DISABLE_MD5
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From 67726f2a74007b5b4117fe49ca1e02c86110b624 Mon Sep 17 00:00:00 2001
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From: Drew A Roedersheimer <Drew.A.Roedersheimer@leidos.com>
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Date: Tue, 9 Oct 2018 23:28:25 +0000
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Subject: [PATCH] snmplib: Fix a memory leak in scapi.c
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This patch avoids that Valgrind reports the following leak:
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==1069== 3,456 bytes in 72 blocks are definitely lost in loss record 1,568 of 1,616
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==1069== at 0x4C29BE3: malloc (vg_replace_malloc.c:299)
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==1069== by 0x70A63B7: CRYPTO_malloc (in /usr/lib64/libcrypto.so.1.0.2k)
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==1069== by 0x7161B06: EVP_MD_CTX_create (in /usr/lib64/libcrypto.so.1.0.2k)
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==1069== by 0x4EA3017: sc_hash (in /usr/lib64/libnetsnmp.so.31.0.2)
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==1069== by 0x4EA1CD8: hash_engineID (in /usr/lib64/libnetsnmp.so.31.0.2)
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==1069== by 0x4EA1DEC: search_enginetime_list (in /usr/lib64/libnetsnmp.so.31.0.2)
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==1069== by 0x4EA2256: set_enginetime (in /usr/lib64/libnetsnmp.so.31.0.2)
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==1069== by 0x4EC495E: usm_process_in_msg (in /usr/lib64/libnetsnmp.so.31.0.2)
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==1069== by 0x4EC58CA: usm_secmod_process_in_msg (in /usr/lib64/libnetsnmp.so.31.0.2)
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==1069== by 0x4E7B91D: snmpv3_parse (in /usr/lib64/libnetsnmp.so.31.0.2)
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==1069== by 0x4E7C1F6: ??? (in /usr/lib64/libnetsnmp.so.31.0.2)
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==1069== by 0x4E7CE94: ??? (in /usr/lib64/libnetsnmp.so.31.0.2)
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[ bvanassche: minimized diffs / edited commit message ]
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---
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snmplib/scapi.c | 5 ++++-
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1 file changed, 4 insertions(+), 1 deletion(-)
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diff --git a/snmplib/scapi.c b/snmplib/scapi.c
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index 8ad1d70d90..54310099d8 100644
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--- a/snmplib/scapi.c
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+++ b/snmplib/scapi.c
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@@ -967,7 +967,8 @@ sc_hash_type(int auth_type, const u_char * buf, size_t buf_len, u_char * MAC,
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#endif
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if (!EVP_DigestInit(cptr, hashfn)) {
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/* requested hash function is not available */
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- return SNMPERR_SC_NOT_CONFIGURED;
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+ rval = SNMPERR_SC_NOT_CONFIGURED;
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+ goto sc_hash_type_quit;
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}
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/** pass the data */
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@@ -976,6 +977,8 @@ sc_hash_type(int auth_type, const u_char * buf, size_t buf_len, u_char * MAC,
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/** do the final pass */
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EVP_DigestFinal(cptr, MAC, &tmp_len);
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*MAC_len = tmp_len;
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+
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+sc_hash_type_quit:
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#if defined(HAVE_EVP_MD_CTX_FREE)
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EVP_MD_CTX_free(cptr);
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#elif defined(HAVE_EVP_MD_CTX_DESTROY)
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@ -10,7 +10,7 @@
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Summary: A collection of SNMP protocol tools and libraries
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Name: net-snmp
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Version: 5.8
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Release: 25%{?dist}
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Release: 25%{?dist}.1
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Epoch: 1
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License: BSD
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@ -71,6 +71,7 @@ Patch42: net-snmp-5.8-engine-id.patch
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Patch43: net-snmp-5.8-certs.patch
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Patch44: net-snmp-5.8-util-fix.patch
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Patch45: net-snmp-5.8-deleted-iface.patch
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Patch46: net-snmp-5.8-memleak-backport.patch
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# Modern RPM API means at least EL6
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Patch101: net-snmp-5.8-modern-rpm-api.patch
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@ -241,6 +242,7 @@ rm -r python
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%patch43 -p1 -b .certs
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%patch44 -p1 -b .utils
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%patch45 -p1 -b .ifaces
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%patch46 -p1 -b .memleak-backport
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%patch101 -p1 -b .modern-rpm-api
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@ -495,6 +497,9 @@ LD_LIBRARY_PATH=%{buildroot}/%{_libdir} make test
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%{_libdir}/libnetsnmptrapd*.so.%{soname}*
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%changelog
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* Tue Oct 18 2022 Josef Ridky <jridky@redhat.com> - 1:5.8-25.1
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- backport memory leak fixes (#2134764)
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* Mon Feb 21 2022 Josef Ridky <jridky@redhat.com> - 1:5.8-25
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- fix segfault with error on subcontainer (#2051370)
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