Re: malloc: ../bash-5.2.21/dispose_cmd.c:249: assertion botched

[alex xmb sw ratchev]

On Mon, Mar 4, 2024, 19:07 Dennis Clarke via Bug reports for the GNU Bourne
Again SHell <bug-bash@gnu.org> wrote:

> On 3/4/24 12:05, Chet Ramey wrote:
> > On 2/29/24 12:11 PM, Dennis Clarke via Bug reports for the GNU Bourne
> > Again SHell wrote:
> >>
> >> Well this has me a bit baffled.
> >>
> >> I downloaded the bash source tarball for 5.2.21 and then applied the
> >> few patches to get me to :
> >>
> >> io$
> >> io$ which bash
> >> /opt/bw/bin/bash
> >> io$ bash --version
> >> GNU bash, version 5.2.26(1)-release (armv7l-unknown-linux-gnueabihf)
> >> Copyright (C) 2022 Free Software Foundation, Inc.
> >> License GPLv3+: GNU GPL version 3 or later
> >> <http://gnu.org/licenses/gpl.html>
> >>
> >> This is free software; you are free to change and redistribute it.
> >> There is NO WARRANTY, to the extent permitted by law.
> >> io$
> >>
> >> I then did a configure for a very stripped down shell :
> >>
> >> configure --prefix=/opt/bw --enable-minimal-config \
> >>  > --enable-history --enable-strict-posix-default \
> >>  > --enable-threads=posix --with-curses --with-gnu-ld
> >>
> >> This is a pretty darn minimal config there.
> >>
> >> When I try to use that shell ( for just about anything ) I get this
> >> message very often :
> >>
> >> malloc: ../bash-5.2.21/dispose_cmd.c:249: assertion botched
> >> free: called with already freed block argument
> >
> > I can't reproduce this on a generic RHEL system using this configuration,
> > but that's probably not close enough to what you're using.
> >
> > You're running the release version, so you don't have any bash malloc
> > debugging, but you could rebuild a version with valgrind:
> >
> > make clean
> > make valgrind
> >
> > (this basically removes all the malloc wrappers bash uses to give you
> > the file and line number information you saw).
> >
> > Then see what it tells you.
> >
> > It might be something as simple as using an old version of bison, for
> > example.
> >
>
> Firstly, and this needs to be said, thank you for the reply. I was
> wondering if the mail list had fallen silent but clearly we are alive
> and well! Thank you.
>
> The bison version is a bit older but not crusty and dusty :
>
> io$ bison --version
> bison (GNU Bison) 3.3.2
> Written by Robert Corbett and Richard Stallman.
>
> Copyright (C) 2019 Free Software Foundation, Inc.
> This is free software; see the source for copying conditions.  There is NO
> warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
> io$
>
> What I shall do is look at the dependency tree for bison 3.8.2 and build
> everything from bottom to top. Then get into a valgrind build and see
> what happens. Good advice. Thank you. Half of the problem is that the
> hardware is weird! Not sure who else bothers with 32-bit armv7l but my
> guess is that it is mostly in the embedded world.
>

old phones cpu

I'll get to work on that and let you know.
>
>
>
> --
> Dennis Clarke
> RISC-V/SPARC/PPC/ARM/CISC
> UNIX and Linux spoken
>
>
>