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 > > >
