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Bug #5645
closedosmo-bts-trx crashes when using gsmtap option -i
Start date:
08/15/2022
Due date:
% Done:
100%
Spec Reference:
Description
When osmo-bts-trx is started with option -i (osmo-bts-trx -c ./osmo-bts.cfg -i 127.0.0.1), then it fails with SIGABRT (or Segmentation Fault without GDB). The problem is most likely related to an msgb that is too small.
Mon Aug 15 14:43:21 2022 <0001> nm_channel_fsm.c:152 NM_CHAN_OP(bts0-trx0-ts5)[0x55555576f660]{DISABLED_OFFLINE}: state_chg to ENABLED Mon Aug 15 14:43:21 2022 <0001> oml.c:354 OC=CHANNEL INST=(00,00,05) AVAIL STATE Off line -> OK Mon Aug 15 14:43:21 2022 <0001> oml.c:362 OC=CHANNEL INST=(00,00,05) OPER STATE Disabled -> Enabled Mon Aug 15 14:43:21 2022 <0009> pcu_sock.c:242 Sending info Mon Aug 15 14:43:21 2022 <0009> pcu_sock.c:257 BTS is up Mon Aug 15 14:43:21 2022 <0001> oml.c:144 OC=CHANNEL(03) INST=(00,00,05): Tx State Changed Event Report Mon Aug 15 14:43:21 2022 <0011> input/ipa.c:139 127.0.0.1:3002 connected write Mon Aug 15 14:43:21 2022 <0011> input/ipa.c:139 127.0.0.1:3002 connected write Mon Aug 15 14:43:21 2022 <0011> input/ipa.c:135 127.0.0.1:3002 connected read Mon Aug 15 14:43:21 2022 <0011> input/ipa.c:56 127.0.0.1:3002 message received Mon Aug 15 14:43:21 2022 <0001> oml.c:1017 OC=CHANNEL(03) INST=(00,00,06): Rx OPSTART Mon Aug 15 14:43:21 2022 <0001> l1_if.c:588 NM_CHAN_OP(bts0-trx0-ts6)[0x55555576fcb0]{DISABLED_OFFLINE}: Received Event OPSTART_ACK Mon Aug 15 14:43:21 2022 <0001> oml.c:144 OC=CHANNEL(03) INST=(00,00,06): Tx Opstart Ack Mon Aug 15 14:43:21 2022 <0001> nm_channel_fsm.c:152 NM_CHAN_OP(bts0-trx0-ts6)[0x55555576fcb0]{DISABLED_OFFLINE}: state_chg to ENABLED Mon Aug 15 14:43:21 2022 <0001> oml.c:354 OC=CHANNEL INST=(00,00,06) AVAIL STATE Off line -> OK Mon Aug 15 14:43:21 2022 <0001> oml.c:362 OC=CHANNEL INST=(00,00,06) OPER STATE Disabled -> Enabled Mon Aug 15 14:43:21 2022 <0009> pcu_sock.c:242 Sending info Mon Aug 15 14:43:21 2022 <0009> pcu_sock.c:257 BTS is up Mon Aug 15 14:43:21 2022 <0001> oml.c:144 OC=CHANNEL(03) INST=(00,00,06): Tx State Changed Event Report Mon Aug 15 14:43:21 2022 <0011> input/ipa.c:139 127.0.0.1:3002 connected write Mon Aug 15 14:43:21 2022 <0011> input/ipa.c:139 127.0.0.1:3002 connected write Mon Aug 15 14:43:21 2022 <0011> input/ipa.c:139 127.0.0.1:3002 connected write Mon Aug 15 14:43:21 2022 <0011> input/ipa.c:135 127.0.0.1:3002 connected read Mon Aug 15 14:43:21 2022 <0011> input/ipa.c:56 127.0.0.1:3002 message received Mon Aug 15 14:43:21 2022 <0001> oml.c:1017 OC=CHANNEL(03) INST=(00,00,07): Rx OPSTART Mon Aug 15 14:43:21 2022 <0001> l1_if.c:588 NM_CHAN_OP(bts0-trx0-ts7)[0x555555770300]{DISABLED_OFFLINE}: Received Event OPSTART_ACK Mon Aug 15 14:43:21 2022 <0001> oml.c:144 OC=CHANNEL(03) INST=(00,00,07): Tx Opstart Ack Mon Aug 15 14:43:21 2022 <0001> nm_channel_fsm.c:152 NM_CHAN_OP(bts0-trx0-ts7)[0x555555770300]{DISABLED_OFFLINE}: state_chg to ENABLED Mon Aug 15 14:43:21 2022 <0001> oml.c:354 OC=CHANNEL INST=(00,00,07) AVAIL STATE Off line -> OK Mon Aug 15 14:43:21 2022 <0001> oml.c:362 OC=CHANNEL INST=(00,00,07) OPER STATE Disabled -> Enabled Mon Aug 15 14:43:21 2022 <0009> pcu_sock.c:242 Sending info Mon Aug 15 14:43:21 2022 <0009> pcu_sock.c:257 BTS is up Mon Aug 15 14:43:21 2022 <0009> pcu_sock.c:221 (bts=0,trx=0) PDCH on ts=7 is available (tsc=6 hopping=no arfcn=868) Mon Aug 15 14:43:21 2022 <0001> oml.c:144 OC=CHANNEL(03) INST=(00,00,07): Tx State Changed Event Report Mon Aug 15 14:43:21 2022 <0011> input/ipa.c:139 127.0.0.1:3002 connected write Mon Aug 15 14:43:21 2022 <0009> pcu_sock.c:863 Activate request received: TRX=0 TS=7 Mon Aug 15 14:43:21 2022 <0006> l1sap.c:1942 (bts=0,trx=0,ts=7,ss=0) Activating channel PDCH on TS7 Mon Aug 15 14:43:21 2022 <0006> scheduler.c:1099 (bts=0,trx=0,ts=7,ss=0) Activating PDTCH Mon Aug 15 14:43:21 2022 <0006> scheduler.c:1099 (bts=0,trx=0,ts=7,ss=0) Activating PTCCH Mon Aug 15 14:43:21 2022 <0006> lchan.c:271 (bts=0,trx=0,ts=7,ss=0) state NONE -> ACTIVE Mon Aug 15 14:43:21 2022 <0006> l1sap.c:837 (bts=0,trx=0,ts=7,ss=0) activate confirm chan_nr=PDCH on TS7 trx=0 Mon Aug 15 14:43:21 2022 <0000> rsl.c:1389 (bts=0,trx=0,ts=7,ss=0) not sending CHAN ACT ACK Mon Aug 15 14:43:21 2022 <0011> input/ipa.c:139 127.0.0.1:3002 connected write Mon Aug 15 14:43:21 2022 <0009> pcu_sock.c:448 Sending rts request: is_ptcch=0 arfcn=868 block=11 Mon Aug 15 14:43:21 2022 <0009> pcu_sock.c:680 Data request received: sapi=PDTCH arfcn=868 block=11 data= msgb(0x5555558a3a30): Not enough tailroom msgb_put (allocated 52904, head at 0, len 16, tailroom 53024 < want tailroom 1432604448) backtrace() returned 22 addresses /usr/local/lib/libosmocore.so.19(osmo_generate_backtrace+0x18) [0x7ffff7e15e23] /usr/local/lib/libosmocore.so.19(+0x29b01) [0x7ffff7e15b01] /usr/local/lib/libosmocore.so.19(osmo_panic+0xca) [0x7ffff7e15bd0] /usr/local/lib/libosmocore.so.19(+0x28fd0) [0x7ffff7e14fd0] /usr/local/lib/libosmocore.so.19(gsmtap_makemsg_ex+0x110) [0x7ffff7e1533f] /usr/local/lib/libosmocore.so.19(gsmtap_send_ex+0x88) [0x7ffff7e1563e] /usr/local/lib/libosmocore.so.19(gsmtap_send+0x79) [0x7ffff7e156fa] /usr/local/bin/osmo-bts-trx(+0x51806) [0x5555555a5806] /usr/local/bin/osmo-bts-trx(+0x56493) [0x5555555aa493] /usr/local/bin/osmo-bts-trx(+0x566c4) [0x5555555aa6c4] /usr/local/bin/osmo-bts-trx(+0x4998e) [0x55555559d98e] /usr/local/bin/osmo-bts-trx(+0x4a740) [0x55555559e740] /usr/local/bin/osmo-bts-trx(+0x4b174) [0x55555559f174] /usr/local/bin/osmo-bts-trx(+0x4b3b9) [0x55555559f3b9] /usr/local/lib/libosmocore.so.19(+0x1082c) [0x7ffff7dfc82c] /usr/local/lib/libosmocore.so.19(+0x10939) [0x7ffff7dfc939] /usr/local/lib/libosmocore.so.19(osmo_select_main+0x15) [0x7ffff7dfc955] /usr/local/bin/osmo-bts-trx(+0x5a5f1) [0x5555555ae5f1] /usr/local/bin/osmo-bts-trx(+0xd5ed) [0x5555555615ed] /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xeb) [0x7ffff7c1309b] /usr/local/bin/osmo-bts-trx(+0xd14a) [0x55555556114a] Program received signal SIGABRT, Aborted. __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50 50 ../sysdeps/unix/sysv/linux/raise.c: No such file or directory. (gdb)
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