Re: abort acroread at today's -current, but OK at 03-Oct -current

On Tue, Oct 06, 2009 at 12:49:09PM +0400, Boris Samorodov wrote:
> On Mon, 5 Oct 2009 22:07:10 +0300 Kostik Belousov wrote:
> > On Mon, Oct 05, 2009 at 10:46:51PM +0400, Boris Samorodov wrote:
> > > 
> > > today I updated my computer from 03-Oct CURRENT to -current and
> > > some ports were updated. And have got an error:
> > > -----
> > > % acroread
> > > zsh: abort      acroread
> > > % /bin/sh -x `which acroread`
> > > + echo ''
> > > + tr a-z A-Z
> > > + ADOBE_LANG=''
> > > + : ENU
> > > + BN=acroread
> > > + VN=''
> > > + [ -d /usr/local/Adobe/Reader8 ]
> > > + ADOBE_VER=8
> > > + [ -d /usr/local/Adobe/Reader9 ]
> > > + ACROBASE=Adobe/Reader8
> > > + BINPREFIX=Adobe/Reader8/bin
> > > + MOZILLA_COMP_PATH=/..//usr/local/lib/linux-nvu
> > > + export MOZILLA_COMP_PATH
> > > + GTK_IM_MODULE=xim
> > > + export GTK_IM_MODULE
> > > + UNAME_s=Linux
> > > + export UNAME_s
> > > + [ -x /usr/local/Adobe/Reader8/ENU/Adobe/Reader8/bin/acroread ]
> > > + exec /compat/linux/bin/sh /usr/local/Adobe/Reader8/ENU/Adobe/Reader8/bin/acroread
> > > zsh: abort      /bin/sh -x `which acroread`
> > > -----
> > > 
> > > Loading old kernel gives a working acroread. What did I miss?
> > > Thanks.
> 
> > Try this.
> 
> > diff --git a/sys/kern/imgact_elf.c b/sys/kern/imgact_elf.c
> > index 4ed7382..e958214 100644
> > --- a/sys/kern/imgact_elf.c
> > +++ b/sys/kern/imgact_elf.c
> > _at__at_ -635,7 +635,8 _at__at_ __elfN(load_file)(struct proc *p, const char *file, u_long *addr,
> >  	}
> >  
> >  	for (i = 0, numsegs = 0; i < hdr->e_phnum; i++) {
> > -		if (phdr[i].p_type == PT_LOAD) {	/* Loadable segment */
> > +		if (phdr[i].p_type == PT_LOAD && phdr[i].p_memsz != 0) {
> > +			/* Loadable segment */
> >  			prot = 0;
> >  			if (phdr[i].p_flags & PF_X)
> >    				prot |= VM_PROT_EXECUTE;
> > _at__at_ -764,6 +768,8 _at__at_ __CONCAT(exec_, __elfN(imgact))(struct image_params *imgp)
> >  	for (i = 0; i < hdr->e_phnum; i++) {
> >  		switch (phdr[i].p_type) {
> >  		case PT_LOAD:	/* Loadable segment */
> > +			if (phdr[i].p_memsz == 0)
> > +				break;
> >  			prot = 0;
> >  			if (phdr[i].p_flags & PF_X)
> >    				prot |= VM_PROT_EXECUTE;
> 
> Thanks. Unfortunately there is no changes. Acroread works only with
> security.bsd.map_at_zero=1.

I see, with the help from bz_at_. Do you have amd64 or i386 system ?
Anyway, please try http://people.freebsd.org/~kib/misc/pie.3.patch