On 2017-08-03 11:48, Sebastian Hüftlein wrote: > Package: libc6-i386 > Version: 2.24-11+deb9u1 > > Using gethostbyname in a fpc 2.4 application causes a crash with the > following error: > > An unhandled exception occurred at $F763F591 : > EAccessViolation : Access violation > $F763F591 > > > checking the gdb backtrace: > > Program received signal SIGSEGV, Segmentation fault. > 0xf7f15591 in inet_pton () from /lib32/libc.so.6 > (gdb) backtrace > #0 0xf7f15591 in inet_pton () from /lib32/libc.so.6 > #1 0xf7d5bec1 in ?? () from /lib32/libnss_files.so.2 > #2 0xf7d5c310 in _nss_files_gethostbyname3_r () from > /lib32/libnss_files.so.2 > #3 0xf7d5c8ad in _nss_files_gethostbyname_r () from > /lib32/libnss_files.so.2 > #4 0xf7f0a4fc in gethostbyname_r () from /lib32/libc.so.6 > #5 0xf7f09bac in gethostbyname () from /lib32/libc.so.6 > #6 0x0808198c in ?? () > #7 0x08081825 in ?? () > #8 0x08095e47 in ?? () > #9 0x08057a2b in ?? () > #10 0x08054b2f in ?? () > #11 0x08052cdd in ?? () > #12 0x08052ab3 in ?? () > #13 0x08052a1c in ?? () > #14 0x08068a21 in ?? () > #15 0x080679e4 in ?? () > #16 0x0805c185 in ?? () > #17 0x08053acf in ?? () > #18 0x08052cdd in ?? () > #19 0x08052ab3 in ?? () > #20 0x08052a1c in ?? () > #21 0x080494d2 in ?? () > #22 0x08048da8 in ?? () > #23 0xf7e29276 in __libc_start_main () from /lib32/libc.so.6 > #24 0x08048302 in ?? () > > > $ dpkg -s libc6-i386 > Package: libc6-i386 > Status: install ok installed > Priority: optional > Section: libs > Installed-Size: 11250 > Maintainer: GNU Libc Maintainers <debian-glibc@lists.debian.org> > Architecture: amd64 > Source: glibc > Version: 2.24-11+deb9u1 > Replaces: libc6-dev-i386 > Depends: libc6 (= 2.24-11+deb9u1) > Conffiles: > /etc/ld.so.conf.d/zz_i386-biarch-compat.conf > 82fedc1c0e9655edf8debad064dca6f1 > Description: GNU C Library: 32-bit shared libraries for AMD64 > This package includes shared versions of the standard C > library and the standard math library, as well as many others. > This is the 32bit version of the library, meant for AMD64 systems. > Homepage: http://www.gnu.org/software/libc/libc.html > > $ uname -a > Linux stretch-vm 4.9.0-3-amd64 #1 SMP Debian 4.9.30-2+deb9u2 (2017-06-26) > x86_64 GNU/Linux > > > > Removing the default ipv6 entires from the /etc/hosts file fixes the crash. > > echo 1 > /proc/sys/net/ipv6/conf/all/disable_ipv6 has no effect. > > > This seems to be a bug in libc6-i386? Older versions on Wheezy in a similar > setup are running the same binary fine, even with the /etc/hosts entries > present.
Could you please provide a way to reproduce the issue: - the contents of /etc/hosts - the source code to reproduce the issue and how to build it. Thanks, Aurelien -- Aurelien Jarno GPG: 4096R/1DDD8C9B aurel...@aurel32.net http://www.aurel32.net
