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suricata/rules
History
Eric Leblond 5dbedbfa5b app-layer-smtp: fix memory leak 
This patch fixes the following leak:

Direct leak of 9982880 byte(s) in 2902 object(s) allocated from:
    #0 0x4c253b in malloc ??:?
    #1 0x10c39ac in MimeDecInitParser /home/victor/qa/buildbot/donkey/z600fuzz/Private/src/util-decode-mime.c:2379
    #2 0x6a0f91 in SMTPProcessRequest /home/victor/qa/buildbot/donkey/z600fuzz/Private/src/app-layer-smtp.c:1085
    #3 0x697658 in SMTPParse /home/victor/qa/buildbot/donkey/z600fuzz/Private/src/app-layer-smtp.c:1185
    #4 0x68fa7a in SMTPParseClientRecord /home/victor/qa/buildbot/donkey/z600fuzz/Private/src/app-layer-smtp.c:1208
    #5 0x6561c5 in AppLayerParserParse /home/victor/qa/buildbot/donkey/z600fuzz/Private/src/app-layer-parser.c:908
    #6 0x53dc2e in AppLayerHandleTCPData /home/victor/qa/buildbot/donkey/z600fuzz/Private/src/app-layer.c:444
    #7 0xf8e0af in DoReassemble /home/victor/qa/buildbot/donkey/z600fuzz/Private/src/stream-tcp-reassemble.c:2635
    #8 0xf8c3f8 in StreamTcpReassembleAppLayer /home/victor/qa/buildbot/donkey/z600fuzz/Private/src/stream-tcp-reassemble.c:3028
    #9 0xf94267 in StreamTcpReassembleHandleSegmentUpdateACK /home/victor/qa/buildbot/donkey/z600fuzz/Private/src/stream-tcp-reassemble.c:3404
    #10 0xf9643d in StreamTcpReassembleHandleSegment /home/victor/qa/buildbot/donkey/z600fuzz/Private/src/stream-tcp-reassemble.c:3432
    #11 0xf578b4 in HandleEstablishedPacketToClient /home/victor/qa/buildbot/donkey/z600fuzz/Private/src/stream-tcp.c:2245
    #12 0xeea3c7 in StreamTcpPacketStateEstablished /home/victor/qa/buildbot/donkey/z600fuzz/Private/src/stream-tcp.c:2489
    #13 0xec1d38 in StreamTcpPacket /home/victor/qa/buildbot/donkey/z600fuzz/Private/src/stream-tcp.c:4568
    #14 0xeb0e16 in StreamTcp /home/victor/qa/buildbot/donkey/z600fuzz/Private/src/stream-tcp.c:5064
    #15 0xff52a4 in TmThreadsSlotVarRun /home/victor/qa/buildbot/donkey/z600fuzz/Private/src/tm-threads.c:130
    #16 0xffdad1 in TmThreadsSlotVar /home/victor/qa/buildbot/donkey/z600fuzz/Private/src/tm-threads.c:474
    #17 0x7f7cd678d181 in start_thread /build/buildd/eglibc-2.19/nptl/pthread_create.c:312 (discriminator 2)

We come to this case when a SMTP session contains at least 2 mails
and then the ending of the first is not correctly detected. In that
case, switching to a new tx seems a good solution. This way we still
have partial logging.
 		10 years ago
..
Makefile.am rules: add app layer events rules 11 years ago
app-layer-events.rules rules: add app layer events rules 11 years ago
decoder-events.rules decode: add ERSPANv1 decoder 10 years ago
dns-events.rules dns: fix message of decoder rule 2240008 12 years ago
files.rules Duplicate rule ID. 11 years ago
http-events.rules http: add event for leading spaces on request line 10 years ago
modbus-events.rules App-layer: Add Modbus protocol parser 11 years ago
smtp-events.rules app-layer-smtp: fix memory leak 10 years ago
stream-events.rules stream: detect and filter out bad window updates 11 years ago
tls-events.rules tls: check SSL3/TLS version per record 11 years ago