hitting tab key causes interactive bash to abort
Configuration Information [Automatically generated, do not change]:
Machine: i386
OS: linux-gnu
Compiler: gcc
Compilation CFLAGS: -DPROGRAM='bash' -DCONF_HOSTTYPE='i386'
-DCONF_OSTYPE='linux-gnu' -DCONF_MACHTYPE='i386-pc-linux-gnu'
-DCONF_VENDOR='pc' -DSHELL -DHAVE_CONFIG_H -I. -I../bash -I../bash/include
-I../bash/lib -g -O2
uname output: Linux dormeur 2.6.8-1-686 #1 Thu Nov 25 04:34:30 UTC 2004 i686
GNU/Linux
Machine Type: i386-pc-linux-gnu
Bash Version: 2.05b
Patch Level: 0
Release Status: release
Description:
In an interactive shell I was writting a function. Then, I hit the
tab key (I should have typed C-v tab)
Bash exited immediately with this error message :
malloc: ../bash/subst.c:5717: assertion botched
free: start and end chunk sizes differ
last command: sansblanc() {
Stopping myself...Aborted
Repeat-By:
easy to reproduce : simply type in the following 2 lines, then hit the
tab key :
sansblanc() {
eval "${1}=\"\$(echo \"\$$1\" | sed -e 's/^[
Fix:
Teach users to type C-v tab when they don't need completion ;-)
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History expansion in multiline string, within single quote
Configuration Information [Automatically generated, do not change]: Machine: x86_64 OS: linux-gnu Compiler: gcc Compilation CFLAGS: -DPROGRAM='bash' -DCONF_HOSTTYPE='x86_64' -DCONF_OSTYPE='linux-gnu' -DCONF_MACHTYPE='x86_64-pc-linux-gnu' -DCONF_VENDOR='pc' - DLOCALEDIR='/usr/share/locale' -DPACKAGE='bash' -DSHELL -DHAVE_CONFIG_H -I. -I../. -I.././include -I.././lib -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/build/bash-7fckc0/bash-4.4=. -fstack-protector-strong -Wformat -Werror=format-security -Wall -no-pie -Wno-parentheses -Wno -format-security uname output: Linux vmsch003 4.9.0-7-amd64 #1 SMP Debian 4.9.110-3+deb9u1 (2018-08-03) x86_64 GNU/Linux Machine Type: x86_64-pc-linux-gnu Bash Version: 4.4 Patch Level: 12 Release Status: release Description: Bug happens in an interactive shell. this works as expected, no history expansion : echo "foo"'!bar'"qux" but this fails, bash tries to hist-expand !bar', which it should not. echo "foo "'!bar'"qux" -bash: !bar': event not found I just compiled bash 4.4.18 and tested, the bug is there too.
