On Thu, Feb 6, 2014 at 4:07 PM, Pierre Gaston <pierre.gas...@gmail.com>wrote:
> > > > On Thu, Feb 6, 2014 at 3:38 PM, Chet Ramey <chet.ra...@case.edu> wrote: > >> On 2/5/14 10:51 PM, Dan Jacobson wrote: >> > # su - nobody >> > No directory, logging in with HOME=/ >> > $ cat /tmp/r >> > LC_CTYPE=zh_TW.UTF-8 N=$(echo 統一|iconv -t big5 -f utf-8) sh -xc ': $N' >> > $ sh /tmp/r >> > /tmp/r: line 1: 4551 Segmentation fault LC_CTYPE=zh_TW.UTF-8 >> N=$(echo 統一|iconv -t big5 -f utf-8) sh -xc ': $N' >> > >> > Something about that embedded null. >> > bash, version 4.3.0(1)-rc1 (i486-pc-linux-gnu) >> >> Probably. How about a stack traceback from gdb? >> >> -- >> ``The lyf so short, the craft so long to lerne.'' - Chaucer >> ``Ars longa, vita brevis'' - Hippocrates >> Chet Ramey, ITS, CWRU c...@case.edu >> http://cnswww.cns.cwru.edu/~chet/ >> >> > > With bash 3.2.25(1)-release > > $ LC_CTYPE=zh_TW.UTF-8 N=$(echo 統一|iconv -t big5 -f utf-8) sh -xc ': $N' > + : $'\262\316\244@' > > With bash-rc1 I can reproduce it with: bash -xc $': \262\316\244@' > > > Core was generated by `./bash -xc : $N'. > Program terminated with signal 11, Segmentation fault. > #0 ansic_quote (str=<value optimized out>, flags=<value optimized out>, > rlen=0x0) at strtrans.c:282 > 282 *r++ = c; > (gdb) bt > #0 ansic_quote (str=<value optimized out>, flags=<value optimized out>, > rlen=0x0) at strtrans.c:282 > #1 0x00000000004303af in xtrace_print_word_list (list=0xa175ce8, > xtflags=<value optimized out>) at print_cmd.c:543 > #2 0x0000000000436a0b in execute_simple_command > (simple_command=0xa1750c8, pipe_in=-1, pipe_out=-1, async=0, > fds_to_close=0xa175128) at execute_cmd.c:4008 > #3 0x00000000004342d5 in execute_command_internal (command=0xa175088, > asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0xa175128) at > execute_cmd.c:784 > #4 0x0000000000475dd2 in parse_and_execute (string=<value optimized out>, > from_file=0x4b5d58 "-c", flags=<value optimized out>) at evalstring.c:359 > #5 0x000000000041ec14 in run_one_command (command=0x7fffbdc94b0b ": $N") > at shell.c:1339 > #6 0x000000000041fcaf in main (argc=<value optimized out>, > argv=0x7fffbdc928c8, env=0x7fffbdc928e8) at shell.c:694 > (gdb) q > Sorry, I should have added my locale,en_US.UTF-8, it seems it's a problem with handling broken UTF-8 as it doesn't happen with: LC_ALL=C ./bash -xc $': \262\316\244@'
