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Bug #3494

Updated by pespin over 5 years ago

Caught Catched by osmo-gsm-tester when testing new setup of 2 nanoBTS attached forming a multiTRX setup (-s voice:nanobts+band-900+mod-bts0-numtrx2+mod-bts0-chanallocdescend -T -l dbg). 

 <pre> 
 20180822120155984 DNM <0004> abis_nm.c:1992 OC=CHANNEL(03) INST=(00,01,04): Sending OPSTART 
 20180822120155984 DNM <0004> abis_nm.c:383 OC=CHANNEL(03) INST=(00,01,04): Software Activated Report 
 20180822120155985 DNM <0004> abis_nm.c:218 OC=CHANNEL(03) INST=(00,01,05): STATE CHG: OP_STATE=Disabled AVAIL=Dependency(05)  
 20180822120155985 DNM <0004> abis_nm.c:1889 OC=CHANNEL(03) INST=(00,01,05): Set Chan Attr (bts=0,trx=1,ts=5) 
 20180822120155986 DNM <0004> abis_nm.c:1925 OC=CHANNEL(03) INST=(00,01,05): abis_nm_set_channel_attr(): sending 80 80 00 09 47 03 00 01 05 0d 00 40 07  
 20180822120155986 DNM <0004> abis_nm.c:1992 OC=CHANNEL(03) INST=(00,01,05): Sending OPSTART 
 20180822120155988 DNM <0004> abis_nm.c:383 OC=CHANNEL(03) INST=(00,01,05): Software Activated Report 
 20180822120155989 DNM <0004> abis_nm.c:218 OC=CHANNEL(03) INST=(00,01,06): STATE CHG: OP_STATE=Disabled AVAIL=Dependency(05)  
 20180822120155990 DNM <0004> abis_nm.c:1889 OC=CHANNEL(03) INST=(00,01,06): Set Chan Attr (bts=0,trx=1,ts=6) 
 ================================================================= 
 ==16465==ERROR: AddressSanitizer: heap-use-after-free on address 0x61a00002b3f0 at pc 0x7f587f44c0db bp 0x7ffc59e31df0 sp 0x7ffc59e31de8 
 READ of size 1 at 0x61a00002b3f0 thread T0 
     #0 0x7f587f44c0da in abis_nm_dump_foh /home/osmocom-build/jenkins/workspace/osmo-gsm-tester_build-osmo-bsc/libosmocore/src/gsm/abis_nm.c:937 
     #1 0x561e09e1532c in abis_nm_set_channel_attr /home/osmocom-build/jenkins/workspace/osmo-gsm-tester_build-osmo-bsc/osmo-bsc/src/osmo-bsc/abis_nm.c:1892 
     #2 0x561e09efd269 in nm_statechg_event /home/osmocom-build/jenkins/workspace/osmo-gsm-tester_build-osmo-bsc/osmo-bsc/src/osmo-bsc/bts_ipaccess_nanobts.c:168 
     #3 0x561e09efd269 in bts_ipa_nm_sig_cb /home/osmocom-build/jenkins/workspace/osmo-gsm-tester_build-osmo-bsc/osmo-bsc/src/osmo-bsc/bts_ipaccess_nanobts.c:335 
     #4 0x7f587efb3d16 in osmo_signal_dispatch /home/osmocom-build/jenkins/workspace/osmo-gsm-tester_build-osmo-bsc/libosmocore/src/signal.c:120 
     #5 0x561e09e18e31 in abis_nm_rx_statechg_rep /home/osmocom-build/jenkins/workspace/osmo-gsm-tester_build-osmo-bsc/osmo-bsc/src/osmo-bsc/abis_nm.c:255 
     #6 0x561e09e18e31 in abis_nm_rcvmsg_report /home/osmocom-build/jenkins/workspace/osmo-gsm-tester_build-osmo-bsc/osmo-bsc/src/osmo-bsc/abis_nm.c:380 
     #7 0x561e09e18e31 in abis_nm_rcvmsg_fom /home/osmocom-build/jenkins/workspace/osmo-gsm-tester_build-osmo-bsc/osmo-bsc/src/osmo-bsc/abis_nm.c:778 
     #8 0x561e09e1dc19 in abis_nm_rcvmsg /home/osmocom-build/jenkins/workspace/osmo-gsm-tester_build-osmo-bsc/osmo-bsc/src/osmo-bsc/abis_nm.c:926 
     #9 0x7f587ec90cc2 in handle_ts1_read input/ipaccess.c:274 
     #10 0x7f587ec90cc2 in ipaccess_fd_cb input/ipaccess.c:389 
     #11 0x7f587efb1ca8 in osmo_fd_disp_fds /home/osmocom-build/jenkins/workspace/osmo-gsm-tester_build-osmo-bsc/libosmocore/src/select.c:217 
     #12 0x7f587efb1ca8 in osmo_select_main /home/osmocom-build/jenkins/workspace/osmo-gsm-tester_build-osmo-bsc/libosmocore/src/select.c:257 
     #13 0x561e09e049d6 in main /home/osmocom-build/jenkins/workspace/osmo-gsm-tester_build-osmo-bsc/osmo-bsc/src/osmo-bsc/osmo_bsc_main.c:922 
     #14 0x7f587d53a2e0 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x202e0) 
     #15 0x561e09e054e9 in _start (/home/jenkins/workspace/osmo-gsm-tester_manual-run/trial-128/inst/osmo-bsc/bin/osmo-bsc+0x34d4e9) 

 0x61a00002b3f0 is located 368 bytes inside of 1256-byte region [0x61a00002b280,0x61a00002b768) 
 freed by thread T0 here: 
     #0 0x7f5880058a10 in free (/usr/lib/x86_64-linux-gnu/libasan.so.3+0xc1a10) 
     #1 0x7f587fa8586a in _talloc_free (/usr/lib/x86_64-linux-gnu/libtalloc.so.2+0x486a) 

 previously allocated by thread T0 here: 
     #0 0x7f5880058d28 in malloc (/usr/lib/x86_64-linux-gnu/libasan.so.3+0xc1d28) 
     #1 0x7f587fa87764 in talloc_named_const (/usr/lib/x86_64-linux-gnu/libtalloc.so.2+0x6764) 

 SUMMARY: AddressSanitizer: heap-use-after-free /home/osmocom-build/jenkins/workspace/osmo-gsm-tester_build-osmo-bsc/libosmocore/src/gsm/abis_nm.c:937 in abis_nm_dump_foh 
 Shadow bytes around the buggy address: 
   0x0c347fffd620: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 
   0x0c347fffd630: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 
   0x0c347fffd640: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 
   0x0c347fffd650: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd 
   0x0c347fffd660: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd 
 =>0x0c347fffd670: fd fd fd fd fd fd fd fd fd fd fd fd fd fd[fd]fd 
   0x0c347fffd680: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd 
   0x0c347fffd690: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd 
   0x0c347fffd6a0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd 
   0x0c347fffd6b0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd 
   0x0c347fffd6c0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd 
 Shadow byte legend (one shadow byte represents 8 application bytes): 
   Addressable:             00 
   Partially addressable: 01 02 03 04 05 06 07  
   Heap left redzone:         fa 
   Heap right redzone:        fb 
   Freed heap region:         fd 
   Stack left redzone:        f1 
   Stack mid redzone:         f2 
   Stack right redzone:       f3 
   Stack partial redzone:     f4 
   Stack after return:        f5 
   Stack use after scope:     f8 
   Global redzone:            f9 
   Global init order:         f6 
   Poisoned by user:          f7 
   Container overflow:        fc 
   Array cookie:              ac 
   Intra object redzone:      bb 
   ASan internal:             fe 
   Left alloca redzone:       ca 
   Right alloca redzone:      cb 
 ==16465==ABORTING 
 </pre>

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