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rtpengine
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MT#55283 fix use-after-free

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Grab the correct list link when inserting in the middle of the list.

Change-Id: I4ae484ba05f5e4be827101193952653c21c47ad3
pull/1752/head
Richard Fuchs 2 years ago
parent 1e64ac2340
commit 3f5a22d2a5
2 changed files with 225 additions and 3 deletions
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9
daemon/codec.c
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@ -4810,11 +4810,14 @@ static void codec_store_add_raw_link(struct codec_store *cs, struct rtp_payload_
STR_FMT(&pt->encoding_with_full_params), link);
g_hash_table_insert(cs->codecs, GINT_TO_POINTER(pt->payload_type), pt);
__rtp_payload_type_add_name(cs->codec_names, pt);
if (!link)
if (!link) {
g_queue_push_tail(&cs->codec_prefs, pt);
else
pt->prefs_link = cs->codec_prefs.tail;
}
else {
g_queue_insert_before(&cs->codec_prefs, link, pt);
pt->prefs_link = cs->codec_prefs.tail;
pt->prefs_link = link->prev;
}
if (!cs->supp_link && pt->codec_def && pt->codec_def->supplemental)
cs->supp_link = pt->prefs_link;
}

219
t/auto-daemon-tests.pl
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@ -82,6 +82,225 @@ sub stun_succ {
new_call;
offer('codec reneg control', {
ptime => 20, 'ptime-reverse' => 20, ICE => 'force', flags => [qw(no-codec-renegotiation
generate-mid generate-rtcp port-latching SDES-off codec-strip-telephone-event
codec-strip-opus codec-strip-G729 codec-strip-G729a codec-strip-speex
codec-strip-G723 codec-strip-GSM codec-strip-iLBC codec-mask-G722 codec-mask-PCMA
codec-mask-PCMU transcode-opus codec-offer-telephone-event)],
replace => ['origin', 'session-connection'], 'transport-protocol' => 'RTP/SAVPF',
'rtcp-mux' => ['require']}, <<SDP);
v=0
o=Sonus_UAC 945064 419036 IN IP4 207.242.181.114
s=SIP Media Capabilities
c=IN IP4 207.242.181.114
t=0 0
a=extmap-allow-mixed
a=msid-semantic: WMS 61cc3524-d456-4497-b92e-2babd3d83d84
m=audio 28348 RTP/AVP 126 0 8 9
a=msid:61cc3524-d456-4497-b92e-2babd3d83d84 02c5b74b-b03e-44a6-b175-6639fa009f2d
a=ssrc:889323910 cname:OCP1KqOq/lFpZRp0
a=ssrc:889323910 msid:61cc3524-d456-4497-b92e-2babd3d83d84 02c5b74b-b03e-44a6-b175-6639fa009f2d
a=ptime:20
a=rtcp-xr:voip-metrics
a=rtpmap:126 telephone-event/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:9 G722/8000
a=sendonly
-------------------------------------
v=0
o=Sonus_UAC 945064 419036 IN IP4 203.0.113.1
s=SIP Media Capabilities
c=IN IP4 203.0.113.1
t=0 0
a=extmap-allow-mixed
a=msid-semantic: WMS 61cc3524-d456-4497-b92e-2babd3d83d84
m=audio PORT RTP/SAVPF 96 97
a=msid:61cc3524-d456-4497-b92e-2babd3d83d84 02c5b74b-b03e-44a6-b175-6639fa009f2d
a=ssrc:889323910 cname:OCP1KqOq/lFpZRp0
a=ssrc:889323910 msid:61cc3524-d456-4497-b92e-2babd3d83d84 02c5b74b-b03e-44a6-b175-6639fa009f2d
a=rtcp-xr:voip-metrics
a=mid:1
a=rtpmap:96 opus/48000/2
a=fmtp:96 useinbandfec=1
a=rtpmap:97 telephone-event/48000
a=fmtp:97 0-15
a=sendonly
a=rtcp:PORT
a=rtcp-mux
a=setup:actpass
a=fingerprint:sha-256 FINGERPRINT256
a=tls-id:TLS_ID
a=ptime:20
a=ice-ufrag:ICEUFRAG
a=ice-pwd:ICEPWD
a=candidate:ICEBASE 1 UDP 2130706431 203.0.113.1 PORT typ host
a=candidate:ICEBASE 1 UDP 2130706175 2001:db8:4321::1 PORT typ host
SDP
answer('codec reneg control', { ICE => 'remove', flags => [qw(port-latching always-transcode SDES-off
no-rtcp-attribute strip-extmap)],
'transport-protocol' => 'RTP/AVP', replace => ['origin', 'session-connection'],
'rtcp-mux' => ['demux']}, <<SDP);
v=0
o=- 4209499349425057536 2 IN IP4 127.0.0.1
s=-
t=0 0
a=extmap-allow-mixed
a=msid-semantic: WMS 4d091157-8680-47a2-b124-36b52fefea19
m=audio 45907 RTP/SAVPF 96 97
c=IN IP4 92.239.152.221
a=rtcp:9 IN IP4 0.0.0.0
a=candidate:4024033178 1 udp 2122260223 192.168.0.54 45907 typ host generation 0 network-id 1 network-cost 10
a=candidate:2434153730 1 tcp 1518280447 192.168.0.54 9 typ host tcptype active generation 0 network-id 1 network-cost 10
a=candidate:886767579 1 udp 1686052607 92.239.152.221 45907 typ srflx raddr 192.168.0.54 rport 45907 generation 0 network-id 1 network-cost 10
a=ice-ufrag:W7Oq
a=ice-pwd:lle8qiYox8AhGf+/SOUMVaYy
a=ice-options:trickle
a=fingerprint:sha-256 D1:10:D3:33:45:C5:9A:5E:4E:49:A1:BC:24:04:84:77:B0:A3:4C:95:3B:0D:C4:9C:3B:AB:55:33:10:B6:32:06
a=setup:active
a=mid:1
a=recvonly
a=msid:4d091157-8680-47a2-b124-36b52fefea19 ed2eaf3a-926c-4c1a-a315-e02458e05292
a=rtcp-mux
a=rtpmap:96 opus/48000/2
a=fmtp:96 minptime=10;usedtx=1;useinbandfec=1
a=rtpmap:97 telephone-event/48000
a=ssrc:572293880 cname:pHBBuw7Qa5BaQ36a
-------------------------------------
v=0
o=- 4209499349425057536 2 IN IP4 203.0.113.1
s=-
t=0 0
a=extmap-allow-mixed
a=msid-semantic: WMS 4d091157-8680-47a2-b124-36b52fefea19
m=audio PORT RTP/AVP 0 126
c=IN IP4 203.0.113.1
a=msid:4d091157-8680-47a2-b124-36b52fefea19 ed2eaf3a-926c-4c1a-a315-e02458e05292
a=ssrc:572293880 cname:pHBBuw7Qa5BaQ36a
a=rtpmap:0 PCMU/8000
a=rtpmap:126 telephone-event/8000
a=recvonly
a=ptime:20
SDP
reverse_tags();
offer('codec reneg control', {
ptime => 20, 'ptime-reverse' => 20, ICE => 'remove', flags => [qw(no-codec-renegotiation
generate-rtcp port-latching SDES-off codec-strip-telephone-event
codec-strip-G722 codec-strip-PCMU codec-strip-PCMA codec-strip-CN codec-strip-red
codec-mask-opus transcode-PCMU transcode-PCMA transcode-G722 codec-offer-telephone-event
always-transcode no-rtcp-attribute strip-extmap)],
replace => ['origin', 'session-connection'], 'transport-protocol' => 'RTP/AVP',
'rtcp-mux' => ['demux']}, <<SDP);
v=0
o=- 4209499349425057536 3 IN IP4 127.0.0.1
s=-
t=0 0
a=extmap-allow-mixed
a=msid-semantic: WMS 4d091157-8680-47a2-b124-36b52fefea19
m=audio 45907 RTP/SAVPF 96 97
c=IN IP4 92.239.152.221
a=rtcp:9 IN IP4 0.0.0.0
a=candidate:4024033178 1 udp 2122260223 192.168.0.54 45907 typ host generation 0 network-id 1 network-cost 10
a=candidate:2434153730 1 tcp 1518280447 192.168.0.54 9 typ host tcptype active generation 0 network-id 1 network-cost 10
a=candidate:886767579 1 udp 1686052607 92.239.152.221 45907 typ srflx raddr 192.168.0.54 rport 45907 generation 0 network-id 1 network-cost 10
a=ice-ufrag:W7Oq
a=ice-pwd:lle8qiYox8AhGf+/SOUMVaYy
a=ice-options:trickle
a=fingerprint:sha-256 D1:10:D3:33:45:C5:9A:5E:4E:49:A1:BC:24:04:84:77:B0:A3:4C:95:3B:0D:C4:9C:3B:AB:55:33:10:B6:32:06
a=setup:active
a=mid:1
a=sendrecv
a=msid:4d091157-8680-47a2-b124-36b52fefea19 ed2eaf3a-926c-4c1a-a315-e02458e05292
a=rtcp-mux
a=rtpmap:96 opus/48000/2
a=fmtp:96 minptime=10;usedtx=1;useinbandfec=1
a=rtpmap:97 telephone-event/48000
a=ssrc:572293880 cname:pHBBuw7Qa5BaQ36a
------------------------------------------
v=0
o=- 4209499349425057536 3 IN IP4 203.0.113.1
s=-
t=0 0
a=extmap-allow-mixed
a=msid-semantic: WMS 4d091157-8680-47a2-b124-36b52fefea19
m=audio PORT RTP/AVP 0 8 9 96
c=IN IP4 203.0.113.1
a=msid:4d091157-8680-47a2-b124-36b52fefea19 ed2eaf3a-926c-4c1a-a315-e02458e05292
a=ssrc:572293880 cname:pHBBuw7Qa5BaQ36a
a=mid:1
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:9 G722/8000
a=rtpmap:96 telephone-event/8000
a=fmtp:96 0-15
a=sendrecv
a=ptime:20
SDP
offer('codec reneg control', {
ptime => 20, 'ptime-reverse' => 20, ICE => 'remove', flags => [qw(no-codec-renegotiation
generate-rtcp port-latching SDES-off codec-strip-telephone-event
codec-strip-G722 codec-strip-PCMU codec-strip-PCMA codec-strip-CN codec-strip-red
codec-mask-opus transcode-PCMU transcode-PCMA transcode-G722 codec-offer-telephone-event
always-transcode no-rtcp-attribute strip-extmap)],
replace => ['origin', 'session-connection'], 'transport-protocol' => 'RTP/AVP',
'rtcp-mux' => ['demux']}, <<SDP);
v=0
o=- 4209499349425057536 3 IN IP4 127.0.0.1
s=-
t=0 0
a=extmap-allow-mixed
a=msid-semantic: WMS 4d091157-8680-47a2-b124-36b52fefea19
m=audio 45907 RTP/SAVPF 96 97
c=IN IP4 92.239.152.221
a=rtcp:9 IN IP4 0.0.0.0
a=candidate:4024033178 1 udp 2122260223 192.168.0.54 45907 typ host generation 0 network-id 1 network-cost 10
a=candidate:2434153730 1 tcp 1518280447 192.168.0.54 9 typ host tcptype active generation 0 network-id 1 network-cost 10
a=candidate:886767579 1 udp 1686052607 92.239.152.221 45907 typ srflx raddr 192.168.0.54 rport 45907 generation 0 network-id 1 network-cost 10
a=ice-ufrag:W7Oq
a=ice-pwd:lle8qiYox8AhGf+/SOUMVaYy
a=ice-options:trickle
a=fingerprint:sha-256 D1:10:D3:33:45:C5:9A:5E:4E:49:A1:BC:24:04:84:77:B0:A3:4C:95:3B:0D:C4:9C:3B:AB:55:33:10:B6:32:06
a=setup:active
a=mid:1
a=sendrecv
a=msid:4d091157-8680-47a2-b124-36b52fefea19 ed2eaf3a-926c-4c1a-a315-e02458e05292
a=rtcp-mux
a=rtpmap:96 opus/48000/2
a=fmtp:96 minptime=10;usedtx=1;useinbandfec=1
a=rtpmap:97 telephone-event/48000
a=ssrc:572293880 cname:pHBBuw7Qa5BaQ36a
------------------------------------------
v=0
o=- 4209499349425057536 3 IN IP4 203.0.113.1
s=-
t=0 0
a=extmap-allow-mixed
a=msid-semantic: WMS 4d091157-8680-47a2-b124-36b52fefea19
m=audio PORT RTP/AVP 0 8 9 96
c=IN IP4 203.0.113.1
a=msid:4d091157-8680-47a2-b124-36b52fefea19 ed2eaf3a-926c-4c1a-a315-e02458e05292
a=ssrc:572293880 cname:pHBBuw7Qa5BaQ36a
a=mid:1
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:9 G722/8000
a=rtpmap:96 telephone-event/8000
a=fmtp:96 0-15
a=sendrecv
a=ptime:20
SDP
new_call;
offer('AMR asymmetric, control', {}, <<SDP);

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