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 -D_FORTIFY_SOURCE=2 -g -O2 -fstack-protector-strong -Wformat -Werror=format-security -Wall uname output: Linux clamavsig1 3.16.0-4-amd64 #1 SMP Debian 3.16.7-ckt11-1+deb8u6 (2015-11-09) x86_64 GNU/Linux Machine Type: x86_64-pc-linux-gnu
Bash Version: 4.3
Patch Level: 30
Release Status: release
Description:
in the posix shell specification [1] when a script tries to to
overwrite a readonly variable it should crash the script.
Repeat-By:
#!/bin/bash
readonly rovar="goodvalue"
rovar="badvalue"
echo "You should not see this message"
Fix:
the bash interpreter should exit when the readonly var is being asked
for an overwrite
[1]
http://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#tag_18_08_01
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