Hi, see below.
Regards, Tino $ gdb --args ./utils/dvb/dvbv5-scan ~/tmp/dvb-t2/init2 GNU gdb (Debian 7.12-6) 7.12.0.20161007-git Copyright (C) 2016 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-linux-gnu". Type "show configuration" for configuration details. For bug reporting instructions, please see: <http://www.gnu.org/software/gdb/bugs/>. Find the GDB manual and other documentation resources online at: <http://www.gnu.org/software/gdb/documentation/>. For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from ./utils/dvb/dvbv5-scan...done. (gdb) run Starting program: /home/scorpion/build/9643/v4l-utils/utils/dvb/dvbv5-scan /home/scorpion/tmp/dvb-t2/init2 [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". Scanning frequency #1 554000000 Lock (0x1f) C/N= 23.75dB Service Das Erste HD, provider BR: reserved Service arte HD, provider BR: reserved Service PHOENIX HD, provider BR: reserved Service tagesschau24 HD, provider BR: reserved Service ONE HD, provider BR: reserved New transponder/channel found: #11: -1776415946 New transponder/channel found: #12: 504706590 New transponder/channel found: #13: 523640360 New transponder/channel found: #14: 907948854 New transponder/channel found: #15: -397832490 New transponder/channel found: #16: 0 New transponder/channel found: #17: 0 New transponder/channel found: #18: 0 New transponder/channel found: #19: 0 New transponder/channel found: #20: 0 New transponder/channel found: #21: 0 New transponder/channel found: #22: 0 New transponder/channel found: #23: 0 New transponder/channel found: #24: 0 New transponder/channel found: #25: 0 New transponder/channel found: #26: 0 New transponder/channel found: #27: 0 New transponder/channel found: #28: 0 New transponder/channel found: #29: 0 New transponder/channel found: #30: 0 New transponder/channel found: #31: 0 New transponder/channel found: #32: 0 New transponder/channel found: #33: 0 New transponder/channel found: #34: 0 New transponder/channel found: #35: 0 New transponder/channel found: #36: 0 New transponder/channel found: #37: 0 New transponder/channel found: #38: 0 New transponder/channel found: #39: 0 New transponder/channel found: #40: 0 New transponder/channel found: #41: 0 New transponder/channel found: #42: 0 New transponder/channel found: #43: 0 New transponder/channel found: #44: 0 New transponder/channel found: #45: 0 New transponder/channel found: #46: 0 New transponder/channel found: #47: 0 New transponder/channel found: #48: 0 New transponder/channel found: #49: 0 New transponder/channel found: #50: 0 New transponder/channel found: #51: 0 New transponder/channel found: #52: 0 New transponder/channel found: #53: 0 New transponder/channel found: #54: 0 New transponder/channel found: #55: 0 New transponder/channel found: #56: 0 New transponder/channel found: #57: 0 New transponder/channel found: #58: 0 New transponder/channel found: #59: 0 New transponder/channel found: #60: 0 New transponder/channel found: #61: 0 New transponder/channel found: #62: 0 New transponder/channel found: #63: 0 New transponder/channel found: #64: 0 New transponder/channel found: #65: 0 New transponder/channel found: #66: 0 New transponder/channel found: #67: 0 New transponder/channel found: #68: 0 New transponder/channel found: #69: 0 New transponder/channel found: #70: 0 New transponder/channel found: #71: 0 New transponder/channel found: #72: 0 New transponder/channel found: #73: 0 New transponder/channel found: #74: 0 New transponder/channel found: #75: 0 Scanning frequency #2 650000000 (0x00) Signal= -69.00dBm Scanning frequency #3 738000000 (0x00) Signal= -76.00dBm Scanning frequency #4 578000000 Lock (0x1f) Signal= -76.00dBm C/N= 27.25dB *** Error in `/home/scorpion/build/9643/v4l-utils/utils/dvb/dvbv5-scan': malloc(): memory corruption: 0x00005555557a6b70 *** ======= Backtrace: ========= /lib/x86_64-linux-gnu/libc.so.6(+0x70bcb)[0x7ffff759fbcb] /lib/x86_64-linux-gnu/libc.so.6(+0x76f96)[0x7ffff75a5f96] /lib/x86_64-linux-gnu/libc.so.6(+0x78f69)[0x7ffff75a7f69] /lib/x86_64-linux-gnu/libc.so.6(__libc_calloc+0x27b)[0x7ffff75aa99b] /home/scorpion/build/9643/v4l-utils/utils/dvb/dvbv5-scan(+0x29e81)[0x55555557de81] /home/scorpion/build/9643/v4l-utils/utils/dvb/dvbv5-scan(+0x2b39b)[0x55555557f39b] /home/scorpion/build/9643/v4l-utils/utils/dvb/dvbv5-scan(+0x24513)[0x555555578513] /home/scorpion/build/9643/v4l-utils/utils/dvb/dvbv5-scan(+0x25dff)[0x555555579dff] /home/scorpion/build/9643/v4l-utils/utils/dvb/dvbv5-scan(+0x21ba4)[0x555555575ba4] /home/scorpion/build/9643/v4l-utils/utils/dvb/dvbv5-scan(+0x22010)[0x555555576010] /home/scorpion/build/9643/v4l-utils/utils/dvb/dvbv5-scan(+0x220b4)[0x5555555760b4] /home/scorpion/build/9643/v4l-utils/utils/dvb/dvbv5-scan(+0x214fd)[0x5555555754fd] /home/scorpion/build/9643/v4l-utils/utils/dvb/dvbv5-scan(+0x22759)[0x555555576759] /home/scorpion/build/9643/v4l-utils/utils/dvb/dvbv5-scan(+0x22c7b)[0x555555576c7b] /home/scorpion/build/9643/v4l-utils/utils/dvb/dvbv5-scan(+0x15348)[0x555555569348] /home/scorpion/build/9643/v4l-utils/utils/dvb/dvbv5-scan(+0x132fa)[0x5555555672fa] /home/scorpion/build/9643/v4l-utils/utils/dvb/dvbv5-scan(+0x11ec7)[0x555555565ec7] /home/scorpion/build/9643/v4l-utils/utils/dvb/dvbv5-scan(+0x12941)[0x555555566941] /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf1)[0x7ffff754f2b1] /home/scorpion/build/9643/v4l-utils/utils/dvb/dvbv5-scan(+0x113ea)[0x5555555653ea] ======= Memory map: ======== 555555554000-55555558f000 r-xp 00000000 00:19 6669022 /home/scorpion/build/9643/v4l-utils/utils/dvb/dvbv5-scan 55555578e000-555555798000 r--p 0003a000 00:19 6669022 /home/scorpion/build/9643/v4l-utils/utils/dvb/dvbv5-scan 555555798000-55555579c000 rw-p 00044000 00:19 6669022 /home/scorpion/build/9643/v4l-utils/utils/dvb/dvbv5-scan 55555579c000-555555832000 rw-p 00000000 00:00 0 [heap] 7ffff0000000-7ffff0021000 rw-p 00000000 00:00 0 7ffff0021000-7ffff4000000 ---p 00000000 00:00 0 7ffff698f000-7ffff69a5000 r-xp 00000000 08:01 33517 /lib/x86_64-linux-gnu/libgcc_s.so.1 7ffff69a5000-7ffff6ba4000 ---p 00016000 08:01 33517 /lib/x86_64-linux-gnu/libgcc_s.so.1 7ffff6ba4000-7ffff6ba5000 r--p 00015000 08:01 33517 /lib/x86_64-linux-gnu/libgcc_s.so.1 7ffff6ba5000-7ffff6ba6000 rw-p 00016000 08:01 33517 /lib/x86_64-linux-gnu/libgcc_s.so.1 7ffff6ba6000-7ffff6ba8000 r-xp 00000000 fe:01 6828 /usr/lib/x86_64-linux-gnu/gconv/ISO8859-15.so 7ffff6ba8000-7ffff6da7000 ---p 00002000 fe:01 6828 /usr/lib/x86_64-linux-gnu/gconv/ISO8859-15.so 7ffff6da7000-7ffff6da8000 r--p 00001000 fe:01 6828 /usr/lib/x86_64-linux-gnu/gconv/ISO8859-15.so 7ffff6da8000-7ffff6da9000 rw-p 00002000 fe:01 6828 /usr/lib/x86_64-linux-gnu/gconv/ISO8859-15.so 7ffff6da9000-7ffff6dab000 r-xp 00000000 fe:01 7652 /usr/lib/x86_64-linux-gnu/gconv/ISO8859-9.so 7ffff6dab000-7ffff6faa000 ---p 00002000 fe:01 7652 /usr/lib/x86_64-linux-gnu/gconv/ISO8859-9.so 7ffff6faa000-7ffff6fab000 r--p 00001000 fe:01 7652 /usr/lib/x86_64-linux-gnu/gconv/ISO8859-9.so 7ffff6fab000-7ffff6fac000 rw-p 00002000 fe:01 7652 /usr/lib/x86_64-linux-gnu/gconv/ISO8859-9.so 7ffff6fac000-7ffff7312000 r--p 00000000 fe:01 146067 /usr/lib/locale/locale-archive 7ffff7312000-7ffff732a000 r-xp 00000000 08:01 33682 /lib/x86_64-linux-gnu/libpthread-2.24.so 7ffff732a000-7ffff7529000 ---p 00018000 08:01 33682 /lib/x86_64-linux-gnu/libpthread-2.24.so 7ffff7529000-7ffff752a000 r--p 00017000 08:01 33682 /lib/x86_64-linux-gnu/libpthread-2.24.so 7ffff752a000-7ffff752b000 rw-p 00018000 08:01 33682 /lib/x86_64-linux-gnu/libpthread-2.24.so 7ffff752b000-7ffff752f000 rw-p 00000000 00:00 0 7ffff752f000-7ffff76c4000 r-xp 00000000 08:01 33370 /lib/x86_64-linux-gnu/libc-2.24.so 7ffff76c4000-7ffff78c3000 ---p 00195000 08:01 33370 /lib/x86_64-linux-gnu/libc-2.24.so 7ffff78c3000-7ffff78c7000 r--p 00194000 08:01 33370 /lib/x86_64-linux-gnu/libc-2.24.so 7ffff78c7000-7ffff78c9000 rw-p 00198000 08:01 33370 /lib/x86_64-linux-gnu/libc-2.24.so 7ffff78c9000-7ffff78cd000 rw-p 00000000 00:00 0 7ffff78cd000-7ffff78d4000 r-xp 00000000 08:01 33715 /lib/x86_64-linux-gnu/librt-2.24.so 7ffff78d4000-7ffff7ad3000 ---p 00007000 08:01 33715 /lib/x86_64-linux-gnu/librt-2.24.so 7ffff7ad3000-7ffff7ad4000 r--p 00006000 08:01 33715 /lib/x86_64-linux-gnu/librt-2.24.so 7ffff7ad4000-7ffff7ad5000 rw-p 00007000 08:01 33715 /lib/x86_64-linux-gnu/librt-2.24.so 7ffff7ad5000-7ffff7bd8000 r-xp 00000000 08:01 33456 /lib/x86_64-linux-gnu/libm-2.24.so 7ffff7bd8000-7ffff7dd7000 ---p 00103000 08:01 33456 /lib/x86_64-linux-gnu/libm-2.24.so 7ffff7dd7000-7ffff7dd8000 r--p 00102000 08:01 33456 /lib/x86_64-linux-gnu/libm-2.24.so 7ffff7dd8000-7ffff7dd9000 rw-p 00103000 08:01 33456 /lib/x86_64-linux-gnu/libm-2.24.so 7ffff7dd9000-7ffff7dfc000 r-xp 00000000 08:01 33225 /lib/x86_64-linux-gnu/ld-2.24.so 7ffff7fad000-7ffff7faf000 rw-p 00000000 00:00 0 7ffff7faf000-7ffff7fce000 r-xp 00000000 08:01 32792 /lib/x86_64-linux-gnu/libudev.so.1.6.5 7ffff7fce000-7ffff7fcf000 r--p 0001e000 08:01 32792 /lib/x86_64-linux-gnu/libudev.so.1.6.5 7ffff7fcf000-7ffff7fd0000 rw-p 0001f000 08:01 32792 /lib/x86_64-linux-gnu/libudev.so.1.6.5 7ffff7fed000-7ffff7fee000 rw-p 00000000 00:00 0 7ffff7fee000-7ffff7ff5000 r--s 00000000 fe:01 24377 /usr/lib/x86_64-linux-gnu/gconv/gconv-modules.cache 7ffff7ff5000-7ffff7ff8000 rw-p 00000000 00:00 0 7ffff7ff8000-7ffff7ffa000 r--p 00000000 00:00 0 [vvar] 7ffff7ffa000-7ffff7ffc000 r-xp 00000000 00:00 0 [vdso] 7ffff7ffc000-7ffff7ffd000 r--p 00023000 08:01 33225 /lib/x86_64-linux-gnu/ld-2.24.so 7ffff7ffd000-7ffff7ffe000 rw-p 00024000 08:01 33225 /lib/x86_64-linux-gnu/ld-2.24.so 7ffff7ffe000-7ffff7fff000 rw-p 00000000 00:00 0 7ffffffde000-7ffffffff000 rw-p 00000000 00:00 0 [stack] ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0 [vsyscall] Program received signal SIGABRT, Aborted. __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:58 58 ../sysdeps/unix/sysv/linux/raise.c: No such file or directory. (gdb) thread apply all bt full Thread 1 (Thread 0x7ffff7fae480 (LWP 725)): #0 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:58 set = {__val = {0, 3472310978873881120, 3467824696600309808, 729636054439574064, 7378645952437315127, 7378645706714656824, 3472382405132117606, 3467895052413575216, 2319406791620833328, 2319389199435444272, 2314885530818453536, 2314885530818453536, 2314885530818453536, 746878876138232608, 7378645952437315127, 7378645706714656865}} pid = <optimized out> tid = <optimized out> #1 0x00007ffff756340a in __GI_abort () at abort.c:89 save_stage = 2 act = {__sigaction_handler = {sa_handler = 0x666666370a6f732e, sa_sigaction = 0x666666370a6f732e}, sa_mask = {__val = {3472328524770457446, 7365468305578407725, 8606977229197436518, 3472328296226648109, 3475143045726351408, 7378645556122361904, 3472386794591774310, 7378697629480725808, 8223625903107106406, 3472328295963438455, 4192904167887482928, 2314885531086893104, 2314885530818453536, 2314885530818453536, 8312272859592400928, 140737488345280}}, sa_flags = 125, sa_restorer = 0x7fffffffd8c0} sigs = {__val = {32, 0 <repeats 15 times>}} #2 0x00007ffff759fbd0 in __libc_message (do_abort=do_abort@entry=2, fmt=fmt@entry=0x7ffff7694c30 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/posix/libc_fatal.c:175 ap = {{gp_offset = 40, fp_offset = 32767, overflow_arg_area = 0x7fffffffd8d0, reg_save_area = 0x7fffffffd860}} fd = 5 on_2 = <optimized out> list = <optimized out> nlist = <optimized out> cp = <optimized out> written = <optimized out> #3 0x00007ffff75a5f96 in malloc_printerr (action=3, str=0x7ffff769182b "malloc(): memory corruption", ptr=<optimized out>, ar_ptr=<optimized out>) at malloc.c:5046 buf = "00005555557a6b70" cp = <optimized out> ar_ptr = <optimized out> ptr = <optimized out> str = 0x7ffff769182b "malloc(): memory corruption" action = 3 #4 0x00007ffff75a7f69 in _int_malloc (av=av@entry=0x7ffff78c7b00 <main_arena>, bytes=bytes@entry=392) at malloc.c:3509 iters = 0 nb = 400 idx = 25 bin = <optimized out> victim = 0x5555557a6b60 size = <optimized out> victim_index = <optimized out> remainder = <optimized out> remainder_size = <optimized out> block = <optimized out> bit = <optimized out> map = <optimized out> fwd = <optimized out> bck = 0x20040c065034602 errstr = 0x0 __func__ = "_int_malloc" #5 0x00007ffff75aa99b in __libc_calloc (n=<optimized out>, elem_size=<optimized out>) at malloc.c:3271 av = 0x7ffff78c7b00 <main_arena> oldtop = 0x555555811240 p = <optimized out> bytes = 392 sz = 392 csz = <optimized out> oldtopsize = 134592 mem = <optimized out> clearsize = <optimized out> nclears = <optimized out> d = <optimized out> hook = <optimized out> __func__ = "__libc_calloc" #6 0x000055555557de81 in dvb_desc_t2_delivery_init (parms=0x55555579e0c0, buf=0x5555557a0dab "", ext=0x5555557a6b10, desc=0x5555557a6b50) at descriptors/desc_t2_delivery.c:65 d = 0x5555557a6b50 p = 0x5555557a0df0 "1\377\002\323D@\002\337y@\002\353\256@\003\064\354@\003e\300@\003~*@\003\212_@\003\226\224@\003\242\311@\003\307h@\004\004q@\003q\365@l\264\002AC1\a\225\"", <incomplete sequence \307> desc_len = 68 len = 63 len2 = 5 i = 21845 __func__ = "dvb_desc_t2_delivery_init" #7 0x000055555557f39b in dvb_extension_descriptor_init (parms=0x55555579e0c0, buf=0x5555557a0daa "\004", desc=0x5555557a6b10) at descriptors/desc_extension.c:155 ext = 0x5555557a6b10 p = 0x5555557a0dab "" desc_type = 4 size = 23 desc_len = 68 init = 0x55555557dcf1 <dvb_desc_t2_delivery_init> #8 0x0000555555578513 in dvb_desc_parse (parms=0x55555579e0c0, buf=0x5555557a0da8 "\177E\004", buflen=321, head_desc=0x5555557a6b36) at descriptors.c:194 desc_type = 127 '\177' desc_len = 69 'E' size = 19 init = 0x55555557f1bb <dvb_extension_descriptor_init> ptr = 0x5555557a0daa "\004" endbuf = 0x5555557a0ee9 "q8\314j" current = 0x5555557a6b10 last = 0x0 __func__ = "dvb_desc_parse" #9 0x0000555555579dff in dvb_table_nit_init (parms=0x55555579e0c0, buf=0x5555557a0d90 "@\361Z0", <incomplete sequence \351>, buflen=345, table=0x5555557b4170) at tables/nit.c:116 desc_length = 321 transport = 0x5555557a6b30 p = 0x5555557a0da8 "\177E\004" endbuf = 0x5555557a0ee9 "q8\314j" nit = 0x5555557a6a90 head = 0x5555557a6b3e head_desc = 0x5555557a6a9a size = 6 __func__ = "dvb_table_nit_init" #10 0x0000555555575ba4 in dvb_parse_section (parms=0x55555579e0c0, sect=0x7fffffffdcc0, buf=0x5555557a0d90 "@\361Z0", <incomplete sequence \351>, buf_length=349) at dvb-scan.c:275 h = {table_id = 64 '@', {bitfield = 61786, {section_length = 346, one = 3 '\003', zero = 1 '\001', syntax = 1 '\001'}}, id = 12290, current_next = 1 '\001', version = 20 '\024', one2 = 3 '\003', section_id = 0 '\000', last_section = 0 '\000'} priv = 0x5555557a89f0 ext = 0x5555557b3eb0 tid = 64 '@' i = 0 new = 1 __func__ = "dvb_parse_section" #11 0x0000555555576010 in dvb_read_sections (__p=0x55555579e0c0, dmx_fd=4, sect=0x7fffffffdcc0, timeout=12) at dvb-scan.c:374 available = 1 crc = 0 buf_length = 349 parms = 0x55555579e0c0 ret = 0 buf = 0x5555557a0d90 "@\361Z0", <incomplete sequence \351> mask = 255 '\377' __func__ = "dvb_read_sections" #12 0x00005555555760b4 in dvb_read_section_with_id (parms=0x55555579e0c0, dmx_fd=4, tid=64 '@', pid=16, ts_id=-1, table=0x5555557b4170, timeout=12) at dvb-scan.c:399 tab = {tid = 64 '@', pid = 16, ts_id = -1, table = 0x5555557b4170, allow_section_gaps = 0, priv = 0x5555557a89f0} #13 0x00005555555754fd in dvb_read_section (parms=0x55555579e0c0, dmx_fd=4, tid=64 '@', pid=16, table=0x5555557b4170, timeout=12) at dvb-scan.c:102 No locals. #14 0x0000555555576759 in dvb_get_ts_tables (__p=0x55555579e0c0, dmx_fd=4, delivery_system=16, other_nit=0, timeout_multiply=1) at dvb-scan.c:572 parms = 0x55555579e0c0 rc = 0 pat_pmt_time = 1 sdt_time = 2 nit_time = 12 vct_time = 1434050752 atsc_filter = 0 num_pmt = 5 dvb_scan_handler = 0x5555557b4140 #15 0x0000555555576c7b in dvb_scan_transponder (__p=0x55555579e0c0, entry=0x5555557a8fe0, dmx_fd=4, check_frontend=0x555555565a93 <check_frontend>, args=0x7fffffffdff0, other_nit=0, timeout_multiply=1) at dvb-scan.c:680 parms = 0x55555579e0c0 dvb_scan_handler = 0x0 freq = 578000000 delsys = 16 i = 11 rc = 0 #16 0x0000555555569348 in dvb_local_scan (open_dev=0x5555557b3fe0, entry=0x5555557a8fe0, check_frontend=0x555555565a93 <check_frontend>, args=0x7fffffffdff0, other_nit=0, timeout_multiply=1) at dvb-dev-local.c:734 dev = 0x5555557a84e0 dvb = 0x55555579df90 parms = 0x55555579e0c0 desc = 0x0 fd = 4 #17 0x00005555555672fa in dvb_dev_scan (open_dev=0x5555557b3fe0, entry=0x5555557a8fe0, check_frontend=0x555555565a93 <check_frontend>, args=0x7fffffffdff0, other_nit=0, timeout_multiply=1) at dvb-dev.c:317 dvb = 0x55555579df90 ops = 0x55555579dfa8 #18 0x0000555555565ec7 in run_scan (args=0x7fffffffdff0, dvb=0x55555579df90) at dvbv5-scan.c:298 dvb_scan_handler = 0x0 stream_id = 0 parms = 0x55555579e0c0 dvb_file = 0x55555579fc90 dvb_file_new = 0x5555557b33a0 entry = 0x5555557a8fe0 dmx_fd = 0x5555557b3fe0 count = 4 shift = 1000000 freq = 578000000 sys = 0 pol = POLARIZATION_OFF #19 0x0000555555566941 in main (argc=2, argv=0x7fffffffe188) at dvbv5-scan.c:562 args = {confname = 0x7fffffffe459 "/home/scorpion/tmp/dvb-t2/init2", lnb_name = 0x0, output = 0x555555582de4 "dvb_channel.conf", demux_dev = 0x5555557b34f0 "dvb0.demux0", adapter = 4294967295, n_adapter = 0, adapter_fe = 0, adapter_dmx = 0, frontend = 0, demux = 0, get_detected = 0, get_nit = 0, lna = -1, lnb = 0, sat_number = -1, freq_bpf = 0, diseqc_wait = 0, dont_add_new_freqs = 0, timeout_multiply = 1, other_nit = 0, input_format = FILE_DVBV5, output_format = FILE_DVBV5, cc = 0x0, n_status_lines = 1} err = 0 lnb = -1 idx = 1 dvb = 0x55555579df90 dvb_dev = 0x5555557a8570 parms = 0x55555579e0c0 argp = {options = 0x55555578e7c0 <options>, parser = 0x555555565fd9 <parse_opt>, args_doc = 0x555555582d88 "<initial file>", doc = 0x555555582d98 "scan DVB services using the channel file", children = 0x0, help_filter = 0x0, argp_domain = 0x0} (gdb)
