Emacs 21.1 crash when PGP signing

[Simon Josefsson]

In GNU Emacs 21.1.1 (i686-pc-linux-gnu, X toolkit, Xaw3d scroll bars)
 of 2001-10-24 on sjosefsson-pc
Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: en_US
  locale-coding-system: iso-latin-1
  default-enable-multibyte-characters: t

Emacs received a SIGPIPE when signing a mail with Mailcrypt when I
misstakenly just pressed RET for the password.  I can't reproduce
this, when I try it again it correctly just reports the error message
from PGP.

Here's the GDB backtrace.  Pressing `c' in GDB makes the Emacs usable
again..

Program received signal SIGPIPE, Broken pipe.
0x403e2824 in __libc_write () from /lib/i686/libc.so.6
(gdb) bt
#0  0x403e2824 in __libc_write () from /lib/i686/libc.so.6
#1  0x000002ab in ?? ()
#2  0x0814f018 in send_process (proc=1221720296,
    buf=0x8c8025c "<sensitive text from the article removed...>",
    len=683, object=954251036) at process.c:3417
#3  0x0814f2f9 in Fprocess_send_region (process=1221720296, start=466,
    end=5245) at process.c:3546
#4  0x08123d5a in Ffuncall (nargs=4, args=0xbfffe810) at eval.c:2662
#5  0x0814a0bc in Fbyte_code (bytestr=944462252, vector=1217310880,
    maxdepth=13) at bytecode.c:716
#6  0x081242e2 in funcall_lambda (fun=1217260224, nargs=7,
    arg_vector=0xbfffe954) at eval.c:2847
#7  0x08123df4 in Ffuncall (nargs=8, args=0xbfffe950) at eval.c:2703
#8  0x0814a0bc in Fbyte_code (bytestr=948856948, vector=1212355512,
    maxdepth=11) at bytecode.c:716
#9  0x081242e2 in funcall_lambda (fun=1216934128, nargs=5,
    arg_vector=0xbfffea84) at eval.c:2847
#10 0x08123df4 in Ffuncall (nargs=6, args=0xbfffea80) at eval.c:2703
#11 0x0814a0bc in Fbyte_code (bytestr=949241820, vector=1216635896, maxdepth=6)
    at bytecode.c:716
#12 0x081242e2 in funcall_lambda (fun=1216995376, nargs=6,
    arg_vector=0xbfffeba4) at eval.c:2847
#13 0x08123df4 in Ffuncall (nargs=7, args=0xbfffeba0) at eval.c:2703
#14 0x0814a0bc in Fbyte_code (bytestr=949241724, vector=1212729384, maxdepth=7)
    at bytecode.c:716
#15 0x081242e2 in funcall_lambda (fun=1212891272, nargs=6,
    arg_vector=0xbfffecc4) at eval.c:2847
#16 0x08123df4 in Ffuncall (nargs=7, args=0xbfffecc0) at eval.c:2703
#17 0x0814a0bc in Fbyte_code (bytestr=949241980, vector=1216730024, maxdepth=7)
    at bytecode.c:716
#18 0x081242e2 in funcall_lambda (fun=1217054160, nargs=3,
    arg_vector=0xbfffede4) at eval.c:2847
#19 0x08123df4 in Ffuncall (nargs=4, args=0xbfffede0) at eval.c:2703
#20 0x0814a0bc in Fbyte_code (bytestr=949242028, vector=1212893272, maxdepth=4)
    at bytecode.c:716
#21 0x081242e2 in funcall_lambda (fun=1217024352, nargs=1,
    arg_vector=0xbfffef24) at eval.c:2847
#22 0x08123df4 in Ffuncall (nargs=2, args=0xbfffef20) at eval.c:2703
#23 0x08120b2f in Fcall_interactively (function=408798324,
    record_flag=405187132, keys=1218773872) at callint.c:797
#24 0x080db5c6 in Fcommand_execute (cmd=408798324, record_flag=405187132,
    keys=405187132, special=405187132) at keyboard.c:9221
#25 0x080d25f3 in command_loop_1 () at keyboard.c:1644
#26 0x0812226e in internal_condition_case (bfun=0x80d1ab0 <command_loop_1>,
    handlers=405283452, hfun=0x80d16f0 <cmd_error>) at eval.c:1267
#27 0x080d1992 in command_loop_2 () at keyboard.c:1245
#28 0x08121e2f in internal_catch (tag=405245060,
    func=0x80d1974 <command_loop_2>, arg=405187132) at eval.c:1030
#29 0x080d1920 in command_loop () at keyboard.c:1224
#30 0x080d14d2 in recursive_edit_1 () at keyboard.c:950
#31 0x080d15eb in Frecursive_edit () at keyboard.c:1006
---Type <return> to continue, or q <return> to quit---
#32 0x080d05f3 in main (argc=1, argv=0xbffff6bc, envp=0xbffff6c4)
    at emacs.c:1547
#33 0x4031e627 in __libc_start_main (main=0x80cfa14 <main>, argc=1,
    ubp_av=0xbffff6bc, init=0x804d860 <_init>, fini=0x8164274 <_fini>,
    rtld_fini=0x4000dcd4 <_dl_fini>, stack_end=0xbffff6ac)
    at ../sysdeps/generic/libc-start.c:129
(gdb)