net/avahi-app core dumps signal 11

[Dimitry Andric]

On 29 Jan 2014, at 11:54, Thomas Mueller <tmueller at sysgo.com> wrote:
> On Tue, 21 Jan 2014 23:37:08 -0200, Sergio de Almeida Lenzi wrote:
>> avahi-daemon dumps core, and I am unable
>> to determinw why because it aborts core just before reaching
>> the main()  procedure..
>> =========================================================
>> 
>> #0  0x0000000801304604 in pthread_testcancel () from /lib/libthr.so.3
>> #1  0x00000008012fc706 in open () from /lib/libthr.so.3
>> #2  0x0000000801517227 in __gets_chk () from /lib/libssp.so.0
>> #3  0x00000008015173d2 in __chk_fail () from /lib/libssp.so.0
>> #4  0x0000000801516ace in .init () from /lib/libssp.so.0
>> #5  0x00007fffffffd130 in ?? ()
>> #6  0x000000080061e6d1 in r_debug_state () from /libexec/ld-elf.so.1
>> #7  0x000000080061dd57 in __tls_get_addr () from /libexec/ld-elf.so.1
>> #8  0x000000080061c099 in .text () from /libexec/ld-elf.so.1
>> #9  0x0000000000000000 in ?? ()
>> =========================================================
>> 
>> any ideas???
> 
> Seems like a bad interaction with stack protector (libssp).
> 
> I managed to get working binaries (10.0-STABLE, amd64) by adding
> --disable-stack-protector to CONFIGURE_ARGS

Don't you think the stack protector code is trying to tell you the stack
got smashed? :-)

E.g. this is most likely a real buffer overflow or something, and it
should be properly fixed, instead of removing the seat belts.

-Dimitry

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