https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14485
Bug ID: 14485
Summary: tshark memory leaks with asan / valgrind [LDAP] (6/10)
Product: Wireshark
Version: Git
Hardware: x86
OS: Linux
Status: UNCONFIRMED
Severity: Major
Priority: Low
Component: Dissection engine (libwireshark)
Assignee: bugzilla-ad...@wireshark.org
Reporter: otto.air...@gmail.com
Target Milestone: ---
Created attachment 16199
--> https://bugs.wireshark.org/bugzilla/attachment.cgi?id=16199&action=edit
recording causing tshark to leak memory
Build Information:
TShark (Wireshark) 2.5.1 (v2.5.1rc0-467-g2eb6f3b5)
Built using clang 4.2.1 Compatible Clang 3.8.0 (tags/RELEASE_380/final).
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tshark leaking memory when executing command:
ASAN_OPTIONS='abort_on_error=1:detect_leaks=1' tshark -2 -V -r <filename>
Direct leak of 24 byte(s) in 1 object(s) allocated from:
#0 0x4c41c8 in __interceptor_malloc ??:?
#2 0x7f9556712718 in g_malloc ??:?
#4 0x7f955eace0dc in oid_string2subid
/home/fuzzer/wireshark/wireshark/epan/oids.c:927 (discriminator 4)
#6 0x7f955ead3134 in oid_resolved_from_string
/home/fuzzer/wireshark/wireshark/epan/oids.c:1188
#8 0x7f9560900ecd in dissect_ldap_LDAPOID
/home/fuzzer/wireshark/wireshark/epan/dissectors/./asn1/ldap/ldap.cnf:72
(discriminator 1)
#10 0x7f955ef21413 in dissect_ber_sequence
/home/fuzzer/wireshark/wireshark/epan/dissectors/packet-ber.c:2384
#12 0x7f9560901fd1 in dissect_ldap_Control
/home/fuzzer/wireshark/wireshark/epan/dissectors/./asn1/ldap/ldap.cnf:753
#14 0x7f955ef2ab6c in dissect_ber_sq_of
/home/fuzzer/wireshark/wireshark/epan/dissectors/packet-ber.c:3482
#16 0x7f955ef2b9f2 in dissect_ber_sequence_of
/home/fuzzer/wireshark/wireshark/epan/dissectors/packet-ber.c:3513
#18 0x7f95608f7f01 in dissect_ldap_Controls
/home/fuzzer/wireshark/wireshark/epan/dissectors/./asn1/ldap/ldap.cnf:766
#20 0x7f955ef21413 in dissect_ber_sequence
/home/fuzzer/wireshark/wireshark/epan/dissectors/packet-ber.c:2384
#22 0x7f95608f5b6d in dissect_ldap_LDAPMessage
/home/fuzzer/wireshark/wireshark/epan/dissectors/./asn1/ldap/ldap.cnf:782
#23 0x7f95608f5b6d in dissect_LDAPMessage_PDU
/home/fuzzer/wireshark/wireshark/epan/dissectors/./asn1/ldap/packet-ldap-template.c:908
#24 0x7f95608f5b6d in dissect_ldap_payload
/home/fuzzer/wireshark/wireshark/epan/dissectors/./asn1/ldap/packet-ldap-template.c:996
#26 0x7f95608f4e3c in dissect_ldap_pdu
/home/fuzzer/wireshark/wireshark/epan/dissectors/./asn1/ldap/packet-ldap-template.c:1255
#28 0x7f95608f3fec in dissect_sasl_ldap_pdu
/home/fuzzer/wireshark/wireshark/epan/dissectors/./asn1/ldap/packet-ldap-template.c:1620
#30 0x7f9560337941 in tcp_dissect_pdus
/home/fuzzer/wireshark/wireshark/epan/dissectors/packet-tcp.c:3612
#32 0x7f95608ef25c in dissect_ldap_tcp
/home/fuzzer/wireshark/wireshark/epan/dissectors/./asn1/ldap/packet-ldap-template.c:1855
#34 0x7f955eaeb291 in call_dissector_through_handle
/home/fuzzer/wireshark/wireshark/epan/packet.c:694
#36 0x7f955eadc0bb in call_dissector_work
/home/fuzzer/wireshark/wireshark/epan/packet.c:779
#38 0x7f955eadbb62 in dissector_try_uint_new
/home/fuzzer/wireshark/wireshark/epan/packet.c:1361
#40 0x7f95603398b6 in decode_tcp_ports
/home/fuzzer/wireshark/wireshark/epan/dissectors/packet-tcp.c:5548
#42 0x7f956033f4d9 in process_tcp_payload
/home/fuzzer/wireshark/wireshark/epan/dissectors/packet-tcp.c:5611
#44 0x7f956033c124 in desegment_tcp
/home/fuzzer/wireshark/wireshark/epan/dissectors/packet-tcp.c:3134
#45 0x7f956033c124 in dissect_tcp_payload
/home/fuzzer/wireshark/wireshark/epan/dissectors/packet-tcp.c:5684
#47 0x7f956034a800 in dissect_tcp
/home/fuzzer/wireshark/wireshark/epan/dissectors/packet-tcp.c:6522
#49 0x7f955eaeb291 in call_dissector_through_handle
/home/fuzzer/wireshark/wireshark/epan/packet.c:694
#51 0x7f955eadc0bb in call_dissector_work
/home/fuzzer/wireshark/wireshark/epan/packet.c:779
#53 0x7f955eadbb62 in dissector_try_uint_new
/home/fuzzer/wireshark/wireshark/epan/packet.c:1361
#55 0x7f955f816501 in ip_try_dissect
/home/fuzzer/wireshark/wireshark/epan/dissectors/packet-ip.c:1845
#56 0x7f955f816501 in dissect_ip_v4
/home/fuzzer/wireshark/wireshark/epan/dissectors/packet-ip.c:2303
#58 0x7f955eaeb291 in call_dissector_through_handle
/home/fuzzer/wireshark/wireshark/epan/packet.c:694
#60 0x7f955eadc0bb in call_dissector_work
/home/fuzzer/wireshark/wireshark/epan/packet.c:779
#62 0x7f955eadc8de in dissector_try_uint_new
/home/fuzzer/wireshark/wireshark/epan/packet.c:1361
#63 0x7f955eadc8de in dissector_try_uint
/home/fuzzer/wireshark/wireshark/epan/packet.c:1385
Direct leak of 24 byte(s) in 1 object(s) allocated from:
#0 0x4c41c8 in __interceptor_malloc ??:?
#2 0x7f9556712718 in g_malloc ??:?
#4 0x7f955eace0dc in oid_string2subid
/home/fuzzer/wireshark/wireshark/epan/oids.c:927 (discriminator 4)
#6 0x7f955ead3134 in oid_resolved_from_string
/home/fuzzer/wireshark/wireshark/epan/oids.c:1188
#8 0x7f9560900ecd in dissect_ldap_LDAPOID
/home/fuzzer/wireshark/wireshark/epan/dissectors/./asn1/ldap/ldap.cnf:72
(discriminator 1)
#10 0x7f955ef21413 in dissect_ber_sequence
/home/fuzzer/wireshark/wireshark/epan/dissectors/packet-ber.c:2384
#12 0x7f9560901fd1 in dissect_ldap_Control
/home/fuzzer/wireshark/wireshark/epan/dissectors/./asn1/ldap/ldap.cnf:753
#14 0x7f955ef2ab6c in dissect_ber_sq_of
/home/fuzzer/wireshark/wireshark/epan/dissectors/packet-ber.c:3482
#16 0x7f955ef2b9f2 in dissect_ber_sequence_of
/home/fuzzer/wireshark/wireshark/epan/dissectors/packet-ber.c:3513
#18 0x7f95608f7f01 in dissect_ldap_Controls
/home/fuzzer/wireshark/wireshark/epan/dissectors/./asn1/ldap/ldap.cnf:766
#20 0x7f955ef21413 in dissect_ber_sequence
/home/fuzzer/wireshark/wireshark/epan/dissectors/packet-ber.c:2384
#22 0x7f95608f5b6d in dissect_ldap_LDAPMessage
/home/fuzzer/wireshark/wireshark/epan/dissectors/./asn1/ldap/ldap.cnf:782
#23 0x7f95608f5b6d in dissect_LDAPMessage_PDU
/home/fuzzer/wireshark/wireshark/epan/dissectors/./asn1/ldap/packet-ldap-template.c:908
#24 0x7f95608f5b6d in dissect_ldap_payload
/home/fuzzer/wireshark/wireshark/epan/dissectors/./asn1/ldap/packet-ldap-template.c:996
#26 0x7f95608f4e3c in dissect_ldap_pdu
/home/fuzzer/wireshark/wireshark/epan/dissectors/./asn1/ldap/packet-ldap-template.c:1255
#28 0x7f95608f3fec in dissect_sasl_ldap_pdu
/home/fuzzer/wireshark/wireshark/epan/dissectors/./asn1/ldap/packet-ldap-template.c:1620
#30 0x7f9560337941 in tcp_dissect_pdus
/home/fuzzer/wireshark/wireshark/epan/dissectors/packet-tcp.c:3612
#32 0x7f95608ef118 in dissect_ldap_tcp
/home/fuzzer/wireshark/wireshark/epan/dissectors/./asn1/ldap/packet-ldap-template.c:1794
#34 0x7f955eaeb291 in call_dissector_through_handle
/home/fuzzer/wireshark/wireshark/epan/packet.c:694
#36 0x7f955eadc0bb in call_dissector_work
/home/fuzzer/wireshark/wireshark/epan/packet.c:779
#38 0x7f955eadbb62 in dissector_try_uint_new
/home/fuzzer/wireshark/wireshark/epan/packet.c:1361
#40 0x7f95603398b6 in decode_tcp_ports
/home/fuzzer/wireshark/wireshark/epan/dissectors/packet-tcp.c:5548
#42 0x7f956033f4d9 in process_tcp_payload
/home/fuzzer/wireshark/wireshark/epan/dissectors/packet-tcp.c:5611
#44 0x7f956033c124 in desegment_tcp
/home/fuzzer/wireshark/wireshark/epan/dissectors/packet-tcp.c:3134
#45 0x7f956033c124 in dissect_tcp_payload
/home/fuzzer/wireshark/wireshark/epan/dissectors/packet-tcp.c:5684
#47 0x7f956034a800 in dissect_tcp
/home/fuzzer/wireshark/wireshark/epan/dissectors/packet-tcp.c:6522
#49 0x7f955eaeb291 in call_dissector_through_handle
/home/fuzzer/wireshark/wireshark/epan/packet.c:694
#51 0x7f955eadc0bb in call_dissector_work
/home/fuzzer/wireshark/wireshark/epan/packet.c:779
#53 0x7f955eadbb62 in dissector_try_uint_new
/home/fuzzer/wireshark/wireshark/epan/packet.c:1361
#55 0x7f955f816501 in ip_try_dissect
/home/fuzzer/wireshark/wireshark/epan/dissectors/packet-ip.c:1845
#56 0x7f955f816501 in dissect_ip_v4
/home/fuzzer/wireshark/wireshark/epan/dissectors/packet-ip.c:2303
#58 0x7f955eaeb291 in call_dissector_through_handle
/home/fuzzer/wireshark/wireshark/epan/packet.c:694
#60 0x7f955eadc0bb in call_dissector_work
/home/fuzzer/wireshark/wireshark/epan/packet.c:779
#62 0x7f955eadc8de in dissector_try_uint_new
/home/fuzzer/wireshark/wireshark/epan/packet.c:1361
#63 0x7f955eadc8de in dissector_try_uint
/home/fuzzer/wireshark/wireshark/epan/packet.c:1385
Credit goes to: Otto Airamo and Antti Levomäki, Forcepoint
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