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Fixes following AddressSanitizer report:
==1983==ERROR: AddressSanitizer: dynamic-stack-buffer-overflow on address 0x7ffc245f47e6 at pc 0x7f3e2deea68c bp 0x7ffc245f4750 sp 0x7ffc245f4740
WRITE of size 1 at 0x7ffc245f47e6 thread T0
#0 0x7f3e2deea68b in osmo_nibble_shift_right libosmocore/src/bits.c:92
#1 0x55c01902e1ab in sh_chk libosmocore/tests/bits/bitrev_test.c:215
#2 0x55c01902ed8f in main libosmocore/tests/bits/bitrev_test.c:305
#3 0x7f3e2c93006a in __libc_start_main (/usr/lib/libc.so.6+0x2306a)
#4 0x55c01902c059 in _start (libosmocore/tests/bits/.libs/lt-bitrev_test+0x5059)
This patch can be seen as a follow-up of commit
4fd6023b0383e7efa3b7b0211104a86ff5d3d4f6, which already fixed the
left-shift case in the same way.
Change-Id: I6e86d0164b7e982bf7b7449d5b3abfb3e1e5da46
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This function is actively used by OsmoPCU but have not been covered by
tests so far. The test code is based on
Minh-Quang Nguyen <minh-quang.nguyen@nutaq.com> submission with some
modifications.
The test's FIXME will be addressed in follow-up patches.
Change-Id: I2ee544256b8675bc62a42493aab66a8eeee54f90
Related: OS#1526
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As outlined by mail on the 13th of July the tree based approach to
decoding in the PCU is faster by order of magnitude. Instead of having a
slow implementation in the library and a quick one in the PCU, let's
only have a quick one in the PCU and at some point in the future move it
to libosmocore.
Execute the plan and remove t4_decode.
Change-Id: I021424444625a097560d086c217c81eac4a5ee44
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The osmo_hexdump of the output in sh_chk() omitted the last byte of the
returned bytes from the osmo_nibble_shift_*() functions.
Determine the number of bytes from nibbles divided by two plus one for any odd
nibble number. Output this number of bytes of output data.
Memset the output buffer to get well-defined bytes for unwritten places.
Also assert that we have enough buffer length for all nibbles.
Change-Id: I011f42bca555caec0dfe8688ff1f28303fa04fad
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Previously while testing osmo_nibble_shift_left_unal() following error was
triggered by AddressSanitizer upon offs == 12 and the last sh_chk line, i.e.
shift left of 12 nibbles from in2:
==3890== ERROR: AddressSanitizer: stack-buffer-overflow on address 0xbff5b5b6 at pc 0xb6186862 bp 0xbff5b4a8 sp 0xbff5b49c
READ of size 1 at 0xbff5b5b6 thread T0
#0 0xb6186861 (/home/msuraev/source/gsm/libosmocore/src/.libs/libosmocore.so.7.0.0+0xc861)
#1 0x8049d8b (/home/msuraev/source/gsm/libosmocore/tests/bits/.libs/lt-bitrev_test+0x8049d8b)
#2 0x804a9d1 (/home/msuraev/source/gsm/libosmocore/tests/bits/.libs/lt-bitrev_test+0x804a9d1)
#3 0xb5fe3af2 (/lib/i386-linux-gnu/libc-2.19.so+0x19af2)
#4 0x8048a30 (/home/msuraev/source/gsm/libosmocore/tests/bits/.libs/lt-bitrev_test+0x8048a30)
Address 0xbff5b5b6 is located at offset 38 in frame <main> of T0's stack:
This frame has 3 object(s):
[32, 38) 'in2'
[96, 104) 'out'
[160, 168) 'in1'
The reason is incorrect range in test cycle. Fix it and adjust test
output accordingly.
Tweaked-by: Neels Hofmeyr <nhofmeyr@sysmocom.de>
Fixes: OW#1589 ("undefined behavior in libosmocore triggered by tests")
Change-Id: I5eb3f600290c05b4ab9ac2450a28d616e6b415fd
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The actual code is from OsmoBTS' tch.c by Harald Welte. Add unit tests,
doxygen annotation and extra memory safety check. Those functions are
used in several BTS implementations but seems generic enough to be
generally useful.
Change-Id: I2b1901c4161e8035f059585901dca593b661556d
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Add bit map encoder and decoder functions: decoder is fully functional
while encoder is good enough for testing - no backtracking to find
the best possible compression is implemented. If somebody is willing to
implement MS side of EDGE than this has to be expanded.
Add corresponding tests.
N. B: the encoding is implemented according to ETSI TS 44.060 which is
slightly different from T4 used for fax according to CCITT G31D (RFC 804).
Ticket: OW#2407
Sponsored-by: On-Waves ehf
Signed-off-by: Max <msuraev@sysmocom.de>
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Not doing so seems to break the BSD build
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
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Submitted-by: Max <max.suraev@fairwaves.co>
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
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Instead of using a ./configure parameter to decide whehter to build
tests or not, use the check_PROGRAMS variable so that the tests are
only built when running `make check`.
To avoid slowing down the test phase itself, collapse the declaration
of the test targets in the tests/Makefile.am file, this way they can
be built and linked in parallel before the testsuite is executed.
Signed-off-by: Diego Elio Pettenò <flameeyes@flameeyes.eu>
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The output of make check is looking like this now:
Regression tests.
1: bits ok
2: msgfile ok
3: sms ok
4: smscb ok
5: timer FAILED (testsuite.at:38)
6: ussd FAILED (testsuite.at:44)
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Sometimes we need stuff like reversing every bit in each byte (but not
the byte-order).
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