Any program:
#include <stdio.h>
int main(void)
{
printf("Hello\n");
}
$ gcc-6 -g -fsanitize=address -fno-omit-frame-pointer x.c -o x
$ ./x
==29033==Shadow memory range interleaves with an existing memory
mapping. ASan cannot proceed correctly. ABORTING.
==29033==ASan shadow was supposed to be located in the
[0x00007fff7000-0x10007fff7fff] range.
==29033==Process memory map follows:
0x000100000000-0x000100001000 /usr/oms/src/libpsl/x
0x000100200000-0x000100201000 /usr/oms/src/libpsl/x
0x000100201000-0x000100202000 /usr/oms/src/libpsl/x
0x7ffff5889000-0x7ffff5bdb000
0x7ffff5bdb000-0x7ffff5bf1000 /lib/x86_64-linux-gnu/libgcc_s.so.1
0x7ffff5bf1000-0x7ffff5df0000 /lib/x86_64-linux-gnu/libgcc_s.so.1
...
With Best Regards, Tim
On 07/20/2017 05:09 PM, Matthias Klose wrote:
> 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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