Hello,
I now added some calls of prctl(PR_SET_DUMPABLE, 1), so that a core dump
is created even after setuid and its variants, and re-compiled with
appropriate debugger options. After emailrelay had crashed, a gdb 'bt'
call showed:
#0 size (this=this@entry=0xbe8a91d0) at
/build/gcc-4.9-YnrWeB/gcc-4.9-4.9.2/build/arm-linux-gnueabihf/libstdc++-v3/include/bits/basic_string.h:725
#1 std::string::find (this=this@entry=0xbe8a91d0, __c=__c@entry=61 '=',
__pos=__pos@entry=0)
at
/build/gcc-4.9-YnrWeB/gcc-4.9-4.9.2/build/arm-linux-gnueabihf/libstdc++-v3/include/bits/basic_string.tcc:763
#2 0x0001e3ec in Main::Configuration::listeningInterfaces
(this=this@entry=0x1a51470, protocol="smtp") at configuration.cpp:90
#3 0x0002127a in Main::Run::checkPorts (this=this@entry=0xbe8a94b8) at
run.cpp:229
#4 0x000220f2 in Main::Run::runCore (this=this@entry=0xbe8a94b8) at
run.cpp:302
#5 0x00022a8c in Main::Run::run (this=this@entry=0xbe8a94b8) at
run.cpp:251
#6 0x00015b64 in main (argc=<optimized out>, argv=0xbe8a96f4) at
main.cpp:54
Regards
Christoph
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