10:48 a.m.
* tests/virnettlscontexttest: fix memory leak on virnettlscontext test case.
* Detected in valgrind run:
==25667==
==25667== 86,651 (34,680 direct, 51,971 indirect) bytes in 10 blocks are
definitely lost in loss record 350 of 351
==25667== at 0x4005447: calloc (vg_replace_malloc.c:467)
==25667== by 0x4F1F515D: gnutls_init (gnutls_state.c:270)
==25667== by 0x8053432: virNetTLSSessionNew (virnettlscontext.c:1181)
==25667== by 0x804DD24: testTLSSessionInit (virnettlscontexttest.c:624)
==25667== by 0x804F14D: virtTestRun (testutils.c:140)
==25667==
==25667== 100,578 (38,148 direct, 62,430 indirect) bytes in 11 blocks are
definitely lost in loss record 351 of 351
==25667== at 0x4005447: calloc (vg_replace_malloc.c:467)
==25667== by 0x4F1F515D: gnutls_init (gnutls_state.c:270)
==25667== by 0x8053432: virNetTLSSessionNew (virnettlscontext.c:1181)
==25667== by 0x804DD3C: testTLSSessionInit (virnettlscontexttest.c:625)
==25667== by 0x804F14D: virtTestRun (testutils.c:140)
* How to reproduce?
% cd libvirt && ./configure && make && make -C tests valgrind
or
% valgrind -v --leak-check=full ./tests/virnettlscontexttest
Signed-off-by: Alex Jia <ajia(a)redhat.com>
---
tests/virnettlscontexttest.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/tests/virnettlscontexttest.c b/tests/virnettlscontexttest.c
index ee7b6b4..ece611a 100644
--- a/tests/virnettlscontexttest.c
+++ b/tests/virnettlscontexttest.c
@@ -712,6 +712,8 @@ static int testTLSSessionInit(const void *opaque)
cleanup:
virNetTLSContextFree(serverCtxt);
virNetTLSContextFree(clientCtxt);
+ virNetTLSSessionFree(serverSess);
+ virNetTLSSessionFree(clientSess);
gnutls_x509_crt_deinit(data->careq.crt);
if (data->othercareq.filename)
gnutls_x509_crt_deinit(data->othercareq.crt);
--
1.7.5.1
10:48 a.m.
New subject: [libvirt] [PATCH 2/2] rpc: avoid memory leak on virNetTLSContextValidCertificate
* src/rpc/virnettlscontext.c: fix memory leak on
virNetTLSContextValidCertificate.
* Detected in valgrind run:
==25667==
==25667== 6,085 (44 direct, 6,041 indirect) bytes in 1 blocks are definitely
lost in loss record 326 of 351
==25667== at 0x4005447: calloc (vg_replace_malloc.c:467)
==25667== by 0x4F2791F3: _asn1_add_node_only (structure.c:53)
==25667== by 0x4F27997A: _asn1_copy_structure3 (structure.c:421)
==25667== by 0x4F276A50: _asn1_append_sequence_set (element.c:144)
==25667== by 0x4F2743FF: asn1_der_decoding (decoding.c:1194)
==25667== by 0x4F22B9CC: gnutls_x509_crt_import (x509.c:229)
==25667== by 0x805274B: virNetTLSContextCheckCertificate
(virnettlscontext.c:1009)
==25667== by 0x804DE32: testTLSSessionInit (virnettlscontexttest.c:693)
==25667== by 0x804F14D: virtTestRun (testutils.c:140)
==25667==
==25667== 23,188 (88 direct, 23,100 indirect) bytes in 11 blocks are definitely
lost in loss record 346 of 351
==25667== at 0x4005447: calloc (vg_replace_malloc.c:467)
==25667== by 0x4F22B841: gnutls_x509_crt_init (x509.c:50)
==25667== by 0x805272B: virNetTLSContextCheckCertificate
(virnettlscontext.c:1003)
==25667== by 0x804DDD1: testTLSSessionInit (virnettlscontexttest.c:673)
==25667== by 0x804F14D: virtTestRun (testutils.c:140)
* How to reproduce?
% cd libvirt && ./configure && make && make -C tests valgrind
or
% valgrind -v --leak-check=full ./tests/virnettlscontexttest
Signed-off-by: Alex Jia <ajia(a)redhat.com>
---
src/rpc/virnettlscontext.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/src/rpc/virnettlscontext.c b/src/rpc/virnettlscontext.c
index e901b63..e6123f9 100644
--- a/src/rpc/virnettlscontext.c
+++ b/src/rpc/virnettlscontext.c
@@ -1050,6 +1050,7 @@ static int virNetTLSContextValidCertificate(virNetTLSContextPtr
ctxt,
goto authdeny;
}
}
+ gnutls_x509_crt_deinit(cert);
}
#if 0
--
1.7.5.1
5:14 a.m.
New subject: [libvirt] [PATCH 2/2] rpc: avoid memory leak on virNetTLSContextValidCertificate
On 09/04/2011 04:48 PM, Alex Jia wrote:
* src/rpc/virnettlscontext.c: fix memory leak on
virNetTLSContextValidCertificate.
* Detected in valgrind run:
diff --git a/src/rpc/virnettlscontext.c b/src/rpc/virnettlscontext.c
index e901b63..e6123f9 100644
--- a/src/rpc/virnettlscontext.c
+++ b/src/rpc/virnettlscontext.c
@@ -1050,6 +1050,7 @@ static int virNetTLSContextValidCertificate(virNetTLSContextPtr
ctxt,
goto authdeny;
}
}
+ gnutls_x509_crt_deinit(cert);
}
ACK and pushed. This leak could kill a long-running libvirtd with lots
of TLS clients repeatedly connecting, and the cleanup is similar to the
cleanup done on failure paths.
--
Eric Blake eblake(a)redhat.com +1-801-349-2682
Libvirt virtualization library http://libvirt.org
5:14 a.m.
On 09/04/2011 04:48 PM, Alex Jia wrote:
* tests/virnettlscontexttest: fix memory leak on virnettlscontext
test case.
* Detected in valgrind run:
+++ b/tests/virnettlscontexttest.c
@@ -712,6 +712,8 @@ static int testTLSSessionInit(const void *opaque)
cleanup:
virNetTLSContextFree(serverCtxt);
virNetTLSContextFree(clientCtxt);
+ virNetTLSSessionFree(serverSess);
+ virNetTLSSessionFree(clientSess);
Test leaks are not the end of the world, but they are also okay for
pushing post-freeze. ACK and pushed.
--
Eric Blake eblake(a)redhat.com +1-801-349-2682
Libvirt virtualization library http://libvirt.org
4824
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Eric Blake