Bernhard Übelacker <bernha...@mailbox.org> writes: > Hello Nils, > I tried to reproduce the issue but it showed not up > for me in a minimal Bullseye i386 VM. > > Therefore I guess the maintainer might need some more informations. > > Maybe you could try again with installing valgrind and starting rc like this: > valgrind rc
I did this and then pressed tab on an empty line and got the following: --- snip --- ==6292== Invalid free() / delete / delete[] / realloc() ==6292== at 0x4837867: free (in /usr/lib/i386-linux-gnu/valgrind/vgpreload_memcheck-x86-linux.so) ==6292== by 0x1134BF: ??? (in /usr/bin/rc.byron) ==6292== by 0x118B7C: ??? (in /usr/bin/rc.byron) ==6292== by 0x118473: ??? (in /usr/bin/rc.byron) ==6292== by 0x488B775: rl_completion_matches (in /lib/i386-linux-gnu/libreadline.so.8.1) ==6292== by 0x118760: ??? (in /usr/bin/rc.byron) ==6292== by 0x488B8C2: ??? (in /lib/i386-linux-gnu/libreadline.so.8.1) ==6292== by 0x488BAC7: rl_complete_internal (in /lib/i386-linux-gnu/libreadline.so.8.1) ==6292== by 0x488C0B8: rl_complete (in /lib/i386-linux-gnu/libreadline.so.8.1) ==6292== by 0x488053A: _rl_dispatch_subseq (in /lib/i386-linux-gnu/libreadline.so.8.1) ==6292== by 0x4880A56: _rl_dispatch (in /lib/i386-linux-gnu/libreadline.so.8.1) ==6292== by 0x4880B3D: readline_internal_char (in /lib/i386-linux-gnu/libreadline.so.8.1) ==6292== Address 0x4b187e0 is 0 bytes inside a block of size 24 free'd ==6292== at 0x4837867: free (in /usr/lib/i386-linux-gnu/valgrind/vgpreload_memcheck-x86-linux.so) ==6292== by 0x1134BF: ??? (in /usr/bin/rc.byron) ==6292== by 0x118B60: ??? (in /usr/bin/rc.byron) ==6292== by 0x118473: ??? (in /usr/bin/rc.byron) ==6292== by 0x488B775: rl_completion_matches (in /lib/i386-linux-gnu/libreadline.so.8.1) ==6292== by 0x118760: ??? (in /usr/bin/rc.byron) ==6292== by 0x488B8C2: ??? (in /lib/i386-linux-gnu/libreadline.so.8.1) ==6292== by 0x488BAC7: rl_complete_internal (in /lib/i386-linux-gnu/libreadline.so.8.1) ==6292== by 0x488C0B8: rl_complete (in /lib/i386-linux-gnu/libreadline.so.8.1) ==6292== by 0x488053A: _rl_dispatch_subseq (in /lib/i386-linux-gnu/libreadline.so.8.1) ==6292== by 0x4880A56: _rl_dispatch (in /lib/i386-linux-gnu/libreadline.so.8.1) ==6292== by 0x4880B3D: readline_internal_char (in /lib/i386-linux-gnu/libreadline.so.8.1) ==6292== Block was alloc'd at ==6292== at 0x483663B: malloc (in /usr/lib/i386-linux-gnu/valgrind/vgpreload_memcheck-x86-linux.so) ==6292== by 0x1133AF: ??? (in /usr/bin/rc.byron) ==6292== by 0x118660: ??? (in /usr/bin/rc.byron) ==6292== by 0x118B25: ??? (in /usr/bin/rc.byron) ==6292== by 0x118473: ??? (in /usr/bin/rc.byron) ==6292== by 0x488B775: rl_completion_matches (in /lib/i386-linux-gnu/libreadline.so.8.1) ==6292== by 0x118760: ??? (in /usr/bin/rc.byron) ==6292== by 0x488B8C2: ??? (in /lib/i386-linux-gnu/libreadline.so.8.1) ==6292== by 0x488BAC7: rl_complete_internal (in /lib/i386-linux-gnu/libreadline.so.8.1) ==6292== by 0x488C0B8: rl_complete (in /lib/i386-linux-gnu/libreadline.so.8.1) ==6292== by 0x488053A: _rl_dispatch_subseq (in /lib/i386-linux-gnu/libreadline.so.8.1) ==6292== by 0x4880A56: _rl_dispatch (in /lib/i386-linux-gnu/libreadline.so.8.1) ==6292== --- snap --- When invoked under valgrind, rc did not crash after this output. > Or maybe running in within gdb might show a backtrace, > maybe also setting the environment MALLOC_CHECK_=2 before > might improve the gathered informations. > > Kind regards, > Bernhard > > [1] https://wiki.debian.org/HowToGetABacktrace Do I still need to do this or is the above information enough? Thank you, Nils