Hello list, hello Chet. Bug reported on freenode's IRC #bash by: Satgi
There is a crash somewhere in completion (the last commandline is completed using TAB): echo $BASH_VERSION 4.1.2(1)-release mkdir -p the/?/directory ./the/\?/Segmentation fault (core dumped) These completions DO NOT crash there (maybe that's a hint for you): cd the/\?/directory/ cd ./the\?/directory/ Bash was invoked with the --norc option. Tested versions: - 4.1.2: SEGV - 4.1 alpha: SEGV - 4.0.0: SEGV - 3.2.39: OK - 3.2.25: OK So it looks like this was introduced with 4.0. Here's a backtrace I got from a coredump: #0 0x0000000000460fde in command_word_completion_function (hint_text=0x16cd028 "./the/\\?/", state=1) at bashline.c:1692 #1 0x000000000048c7cb in rl_completion_matches (text=0x16cd028 "./the/\\?/", entry_function=0x460ad0 <command_word_completion_function>) at complete.c:1887 #2 0x00000000004617a2 in bash_default_completion (text=0x16cd028 "./the/\\?/", start=0, end=9, qc=0, compflags=1) at bashline.c:1414 #3 0x0000000000462bba in attempt_shell_completion (text=0x16cd028 "./the/\\?/", start=0, end=9) at bashline.c:1363 #4 0x000000000048c867 in gen_completion_matches (text=0x16cd028 "./the/\\?/", start=207, end=0, our_func=0x48bff0 <rl_filename_completion_function>, found_quote=-808464433, quote_char=1) at complete.c:1023 #5 0x000000000048db70 in rl_complete_internal (what_to_do=9) at complete.c:1746 #6 0x0000000000485c63 in _rl_dispatch_subseq (key=9, map=0x6d8d80, got_subseq=0) at readline.c:769 #7 0x0000000000486447 in readline_internal_char () at readline.c:548 #8 0x000000000048685d in readline (prompt=<value optimized out>) at readline.c:575 #9 0x00000000004292ea in yy_readline_get () at /Users/chet/src/bash/src/parse.y:1314 #10 0x0000000000423708 in shell_getc (remove_quoted_newline=1) at /Users/chet/src/bash/src/parse.y:1247 #11 0x0000000000425d45 in read_token (command=<value optimized out>) at /Users/chet/src/bash/src/parse.y:2727 #12 0x000000000042985e in yyparse () at /Users/chet/src/bash/src/parse.y:2360 #13 0x0000000000421102 in parse_command () at eval.c:228 #14 0x00000000004211e6 in read_command () at eval.c:272 #15 0x0000000000421434 in reader_loop () at eval.c:137 #16 0x0000000000420f56 in main (argc=1, argv=0x7fff6ad3f768, env=0x7fff6ad3f778) at shell.c:741 Jan