From https://ftp.gnu.org/gnu/bash/bash-5.0-patches/bash50-011 Signed-off-by: Pascal de Bruijn BASH PATCH REPORT ================= Bash-Release: 5.0 Patch-ID: bash50-011 Bug-Reported-by: Matt Whitlock Bug-Reference-ID: Bug-Reference-URL: https://savannah.gnu.org/support/?109671 Bug-Description: The conditional command did not perform appropriate quoted null character removal on its arguments, causing syntax errors and attempts to stat invalid pathnames. Patch (apply with `patch -p0'): *** ../bash-5.0-patched/subst.c 2018-12-22 17:43:37.000000000 -0500 --- b/subst.c 2019-04-14 13:25:41.000000000 -0400 *************** *** 3626,3630 **** SPECIAL is 2, this is an rhs argument for the =~ operator, and should be quoted appropriately for regcomp/regexec. The caller is responsible ! for removing the backslashes if the unquoted word is needed later. */ char * cond_expand_word (w, special) --- 3642,3648 ---- SPECIAL is 2, this is an rhs argument for the =~ operator, and should be quoted appropriately for regcomp/regexec. The caller is responsible ! for removing the backslashes if the unquoted word is needed later. In ! any case, since we don't perform word splitting, we need to do quoted ! null character removal. */ char * cond_expand_word (w, special) *************** *** 3647,3650 **** --- 3665,3670 ---- if (special == 0) /* LHS */ { + if (l->word) + word_list_remove_quoted_nulls (l); dequote_list (l); r = string_list (l); *** ../bash-5.0/patchlevel.h 2016-06-22 14:51:03.000000000 -0400 --- b/patchlevel.h 2016-10-01 11:01:28.000000000 -0400 *************** *** 26,30 **** looks for to find the patch level (for the sccs version string). */ ! #define PATCHLEVEL 10 #endif /* _PATCHLEVEL_H_ */ --- 26,30 ---- looks for to find the patch level (for the sccs version string). */ ! #define PATCHLEVEL 11 #endif /* _PATCHLEVEL_H_ */