Bug#869090: gcc-6: Address sanitizer: Shadow memory range interleaves
On 20.07.2017 14:45, Tim Ruehsen wrote:
> Package: gcc-6
> Version: 6.4.0-1
> Severity: important
>
> Dear Maintainer,
>
> building autotools packages with address sanitizer currently breaks with gcc-6 and gcc-7.
> gcc-5 is not effected.
>
> This breaks quality checking and fuzzing with ASAN enabled.
> Using LD_PRELOAD to load libasan first doesn't change anything.
>
> This doesn't help either (in case this is a ASLR problem with the kernel):
> echo 0 >/proc/sys/kernel/randomize_va_space
>
>
> $ CC=gcc-6 CFLAGS="-g -fsanitize=address -fno-omit-frame-pointer" ./configure
> checking for a BSD-compatible install... /usr/bin/install -c
> checking whether build environment is sane... yes
> checking for a thread-safe mkdir -p... /bin/mkdir -p
> checking for gawk... gawk
> checking whether make sets $(MAKE)... yes
> checking whether make supports nested variables... yes
> checking for gcc... gcc-6
> checking whether the C compiler works... yes
> checking for C compiler default output file name... a.out
> checking for suffix of executables...
> checking whether we are cross compiling... configure: error: in `/usr/oms/src/libpsl':
> configure: error: cannot run C compiled programs.
> If you meant to cross compile, use `--host'.
> See `config.log' for more details
>
>
>>From config.log:
> configure:3459: gcc-6 -o conftest -g -fsanitize=address -fno-omit-frame-pointer conftest.c >&5
> configure:3463: $? = 0
> configure:3470: ./conftest
> ==13782==Shadow memory range interleaves with an existing memory mapping. ASan cannot proceed correctly. ABORTING.
> ==13782==ASan shadow was supposed to be located in the [0x00007fff7000-0x10007fff7fff] range.
> ==13782==Process memory map follows:
> 0x005450338000-0x005450339000 /usr/oms/src/libpsl/conftest
> 0x005450539000-0x00545053a000 /usr/oms/src/libpsl/conftest
> ...
> 0x7fff70943000-0x7fff70964000 [stack]
> 0x7fff709a4000-0x7fff709a6000 [vvar]
> 0x7fff709a6000-0x7fff709a8000 [vdso]
> ==13782==End of process memory map.
> configure:3474: $? = 1
> configure:3481: error: in `/usr/oms/src/libpsl':
> configure:3483: error: cannot run C compiled programs.
> If you meant to cross compile, use `--host'.
> See `config.log' for more details
please could you attach the failing conftest?
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