Bug 205256 - Segmentation fault with mount_smbfs

[Victor Sudakov]

There is a new related PR:
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=206740

Victor Sudakov wrote:
> David Demelier wrote:
> > > What I fail to understand is how converters/libiconv from the ports
> > > collection should influence mount_smbfs from the base system. But it
> > > does.
> > 
> > It does because mount_smbfs dynamically load symbols by using 
> > dlopen("libiconv.so") which then search into several paths and that also 
> > includes /usr/local/lib/*
> 
> It does because mount_smbfs calls libkiconv.so.4, and libkiconv calls
> dlopen("libiconv.so") in lib/libkiconv/xlat16_iconv.c (look in
> my_iconv_init(void))
> > 
> > I wonder what's wrong with libiconv-1.14_9 because it should be a minor 
> > update with no API breakage.
> 
> libkiconv calls dlsym(iconv_lib, "iconv_open"), but libiconv-1.14_9
> does not contain "iconv_open" any more, it contains "libiconv_open"
> only. Please compare:
> 
> $ pkg info -x libic
> libiconv-1.14_9
> $ objdump -x /usr/local/lib/libiconv.so | grep _open
> 000184d0 l     F .text  00000780              .hidden iconv_open
> 000184d0 g     F .text  00000780              libiconv_open
> 00017d70 g     F .text  0000075d              libiconv_open_into
> $
> 
> $ pkg info -x libic
> libiconv-1.14_8
> $ objdump -x /usr/local/lib/libiconv.so | grep _open
> 00018560 g     F .text  00000780              iconv_open
> 00018560 g     F .text  00000780              libiconv_open
> 00017e00 g     F .text  0000075d              libiconv_open_into
> $
> 
> -- 
> Victor Sudakov,  VAS4-RIPE, VAS47-RIPN
> sip:sudakov at sibptus.tomsk.ru
> _______________________________________________
> freebsd-questions at freebsd.org mailing list
> https://lists.freebsd.org/mailman/listinfo/freebsd-questions
> To unsubscribe, send any mail to "freebsd-questions-unsubscribe at freebsd.org"

-- 
Victor Sudakov,  VAS4-RIPE, VAS47-RIPN
sip:sudakov at sibptus.tomsk.ru