dawgdic test suite is failing on big-endian machines:

no. keys: 14 no. states: 28 no. transitions: 40 no. merged states: 20 no. merging states: 3 no. merged transitions: 7 no. elements: 256 no. unused elements: 215 (83.9844%) dictionary size: 1024 no. units: 256 guide size: 512 * glibc detected * ../src/dawgdic-find: free(): invalid next size (fast): 0x206817c8 * ======= Backtrace: ========= /lib/powerpc-linux-gnu/libc.so.6(+0x84fc4)[0x1feebfc4] /lib/powerpc-linux-gnu/libc.so.6(cfree+0x8c)[0x1fef159c] /usr/lib/powerpc-linux-gnu/libstdc++.so.6(_ZdlPv+0x2c)[0x201c9a3c] /usr/lib/powerpc-linux-gnu/libstdc++.so.6(_ZNSs4_Rep10_M_destroyERKSaIcE+0x24)[0x201a6a30] /usr/lib/powerpc-linux-gnu/libstdc++.so.6(+0xa8aa8)[0x201a6aa8] /usr/lib/powerpc-linux-gnu/libstdc++.so.6(_ZNSs7reserveEj+0xdc)[0x201a81dc] /usr/lib/powerpc-linux-gnu/libstdc++.so.6(_ZSt7getlineIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RSbIS4_S5_T1_ES4_+0x248)[0x20169774] ../src/dawgdic-find(+0x16d4)[0x202346d4] /lib/powerpc-linux-gnu/libc.so.6(+0x1f7ec)[0x1fe867ec] /lib/powerpc-linux-gnu/libc.so.6(+0x1f9b0)[0x1fe869b0] ======= Memory map: ======== 00100000-00103000 r-xp 00000000 00:00 0 [vdso] 1fe67000-1ffd3000 r-xp 00000000 fd:07 5272 /lib/powerpc-linux-gnu/libc-2.13.so 1ffd3000-1ffe3000 ---p 0016c000 fd:07 5272 /lib/powerpc-linux-gnu/libc-2.13.so 1ffe3000-1ffe7000 r--p 0016c000 fd:07 5272 /lib/powerpc-linux-gnu/libc-2.13.so 1ffe7000-1ffe8000 rw-p 00170000 fd:07 5272 /lib/powerpc-linux-gnu/libc-2.13.so 1ffe8000-1ffeb000 rw-p 00000000 00:00 0 1fffb000-20010000 r-xp 00000000 fd:07 1015 /lib/powerpc-linux-gnu/libgcc_s.so.1 20010000-2001f000 ---p 00015000 fd:07 1015 /lib/powerpc-linux-gnu/libgcc_s.so.1 2001f000-20020000 rw-p 00014000 fd:07 1015 /lib/powerpc-linux-gnu/libgcc_s.so.1 20030000-200da000 r-xp 00000000 fd:07 5285 /lib/powerpc-linux-gnu/libm-2.13.so 200da000-200ea000 ---p 000aa000 fd:07 5285 /lib/powerpc-linux-gnu/libm-2.13.so 200ea000-200ed000 r--p 000aa000 fd:07 5285 /lib/powerpc-linux-gnu/libm-2.13.so 200ed000-200ee000 rw-p 000ad000 fd:07 5285 /lib/powerpc-linux-gnu/libm-2.13.so 200fe000-20206000 r-xp 00000000 fd:07 5530 /usr/lib/powerpc-linux-gnu/libstdc++.so.6.0.16 20206000-20216000 ---p 00108000 fd:07 5530 /usr/lib/powerpc-linux-gnu/libstdc++.so.6.0.16 20216000-2021b000 r--p 00108000 fd:07 5530 /usr/lib/powerpc-linux-gnu/libstdc++.so.6.0.16 2021b000-2021d000 rw-p 0010d000 fd:07 5530 /usr/lib/powerpc-linux-gnu/libstdc++.so.6.0.16 2021d000-20223000 rw-p 00000000 00:00 0 20233000-20238000 r-xp 00000000 fd:02 1179764 /build/buildd-dawgdic_0.4.2-1-powerpc-JribeN/dawgdic-0.4.2/obj/src/dawgdic-find 20247000-20248000 r--p 00004000 fd:02 1179764 /build/buildd-dawgdic_0.4.2-1-powerpc-JribeN/dawgdic-0.4.2/obj/src/dawgdic-find 20248000-20249000 rw-p 00005000 fd:02 1179764 /build/buildd-dawgdic_0.4.2-1-powerpc-JribeN/dawgdic-0.4.2/obj/src/dawgdic-find 2067f000-206a0000 rwxp 00000000 00:00 0 [heap] 40000000-40020000 r-xp 00000000 fd:07 5277 /lib/powerpc-linux-gnu/ld-2.13.so 40020000-40021000 r--p 00020000 fd:07 5277 /lib/powerpc-linux-gnu/ld-2.13.so 40021000-40022000 rw-p 00021000 fd:07 5277 /lib/powerpc-linux-gnu/ld-2.13.so 40022000-40026000 rw-p 00000000 00:00 0 40027000-4002a000 rw-p 00000000 00:00 0 40100000-40121000 rw-p 00000000 00:00 0 40121000-40200000 ---p 00000000 00:00 0 ffcef000-ffd04000 rw-p 00000000 00:00 0 [stack] Aborted FAIL: guide-test.sh

Full build logs: https://buildd.debian.org/status/fetch.php?pkg=dawgdic&arch=s390&ver=0.4.2-1&stamp=1332964908 https://buildd.debian.org/status/fetch.php?pkg=dawgdic&arch=s390x&ver=0.4.2-1&stamp=1332966563 https://buildd.debian.org/status/fetch.php?pkg=dawgdic&arch=sparc&ver=0.4.2-1&stamp=1332965723 https://buildd.debian.org/status/fetch.php?pkg=dawgdic&arch=mips&ver=0.4.2-1&stamp=1333231735 https://buildd.debian.org/status/fetch.php?pkg=dawgdic&arch=powerpc&ver=0.4.2-1&stamp=1332965113 http://buildd.debian-ports.org/status/fetch.php?pkg=dawgdic&arch=ppc64&ver=0.4.2-1&stamp=1333032316

The failing command is: ../src/dawgdic-find -g lexicon.dic < query

Backtrace:

0 0x0fc6b98c in raise () from /lib/powerpc-linux-gnu/libc.so.6

1 0x0fc71040 in abort () from /lib/powerpc-linux-gnu/libc.so.6

2 0x0fcab87c in ?? () from /lib/powerpc-linux-gnu/libc.so.6

3 0x0fcb8fc4 in ?? () from /lib/powerpc-linux-gnu/libc.so.6

4 0x0fcbe59c in free () from /lib/powerpc-linux-gnu/libc.so.6

5 0x0ff96a3c in operator delete(void*) () from /usr/lib/powerpc-linux-gnu/libstdc++.so.6

6 0x0ff73a30 in std::string::_Rep::_M_destroy(std::allocator<char> const&) () from /usr/lib/powerpc-linux-gnu/libstdc++.so.6

7 0x0ff73aa8 in ?? () from /usr/lib/powerpc-linux-gnu/libstdc++.so.6

8 0x0ff751dc in std::string::reserve(unsigned int) () from /usr/lib/powerpc-linux-gnu/libstdc++.so.6

9 0x0ff36774 in std::basic_istream<char, std::char_traits<char> >& std::getline<char, std::char_traits<char>, std::allocator<char> >(std::basic_istream<char,

std::char_traits<char> >&, std::basic_string<char, std::char_traits<char>, std::allocator<char> >&, char) () from /usr/lib/powerpc-linux-gnu/libstdc++.so.6

10 0x0ff645fc in std::basic_istream<char, std::char_traits<char> >& std::getline<char, std::char_traits<char>, std::allocator<char> >(std::basic_istream<char,

std::char_traits<char> >&, std::basic_string<char, std::char_traits<char>, std::allocator<char> >&) () from /usr/lib/powerpc-linux-gnu/libstdc++.so.6

11 0x10001f44 in (anonymous namespace)::CompleteKeys<dawgdic::Completer, dawgdic::Guide> (dic=..., guide=..., input=0x100251e0) at dawgdic-find.cc:129

12 0x10001a40 in main (argc=3, argv=0xffffe7a4) at dawgdic-find.cc:222

Thank you for your detailed report.

Now I'm searching for the cause of this problem.

I've found a bug that causes a buffer overflow and fixed it in r47.

Would you mind testing the latest dawgdic?

I tested r47 on powerpc and mips. The test suite passed successfully. Thanks!