Re: Asan testing of IDN

[Jeffrey Walton]

Cancel... A reboot fixed it.

On Mon, May 13, 2019 at 3:37 PM Jeffrey Walton <address@hidden> wrote:
>
> Hi Everyone,
>
> I'm catching some failed self tests during IDN testing with Asan. The
> first two tests runners are OK. The third runner fails as shown below.
>
> When I check tests/test-suite.log I see:
>
> FAIL: tst_stringprep
> ====================
>
> ==3648==ASan runtime does not come first in initial library list; you
> should either link runtime to your application or manually preload it
> with LD_PRELOAD.
> FAIL tst_stringprep (exit status: 1)
>
> libidn.so looks OK:
>
> $ ldd libidn-1.35/lib/.libs/libidn.so
>         linux-vdso.so.1 (0x00007ffdbda7d000)
>         libasan.so.5 => /lib64/libasan.so.5 (0x00007f25b7a04000)
>         ...
>
> The third test runner uses -fsanitize=address as requested. I
> inspected all messages with 'libtool: link:', and they look OK. All
> links that produce artifacts use the sanitizer option. I did not see
> use of LD_PRELOAD, so I don't believe it is causing the error.
>
> Why is the third test runner failing?
>
> ========================================
>
> # Tail of third runner build
> ...
> /bin/sh ../libtool  --tag=CC   --mode=link gcc   -g2 -O2
> -fsanitize=address -fno-omit-frame-pointer -march=native -fPIC
> -pthread -no-install -L/var/sanitize/lib64 -fsanitize=address
> -Wl,-R,/var/sanitize/lib64 -Wl,--enable-new-dtags -o tst_tld tst_tld.o
> libutils.a ../lib/libidn.la ../gl/libgnu.la -ldl -lpthread
> -Wl,--no-as-needed
> libtool: link: gcc -g2 -O2 -fsanitize=address -fno-omit-frame-pointer
> -march=native -fPIC -pthread -fsanitize=address -Wl,-R
> -Wl,/var/sanitize/lib64 -Wl,--enable-new-dtags -o tst_tld tst_tld.o
> -Wl,--no-as-needed  -L/var/sanitize/lib64 libutils.a
> ../lib/.libs/libidn.so ../gl/.libs/libgnu.a -ldl -lpthread -pthread
> -Wl,-rpath -Wl,/home/build/libidn-1.35/lib/.libs -Wl,-rpath
> -Wl,/var/sanitize/lib64
> gmake[2]: Leaving directory '/home/build/libidn-1.35/tests'
> gmake  check-TESTS
> gmake[2]: Entering directory '/home/build/libidn-1.35/tests'
> gmake[3]: Entering directory '/home/build/libidn-1.35/tests'
> FAIL: tst_stringprep
> FAIL: tst_punycode
> FAIL: tst_idna
> FAIL: tst_idna2
> FAIL: tst_idna3
> FAIL: tst_idna4
> FAIL: tst_nfkc
> FAIL: tst_pr29
> FAIL: tst_strerror
> FAIL: tst_toutf8
> FAIL: tst_symbols
> FAIL: tst_badutf8
> FAIL: tst_utf8crash
> FAIL: tst_toascii64oob
> FAIL: tst_badutf8nfkc
> FAIL: tst_tld