Lubomir Rintel wrote:
> Bash Version: 4.0
> Patch Level: 10
> Release Status: release
>
> Description:
> If the heredoc input is terminted with end-of-file by pressing ^D
> while history is on, bash enters an infinite loop (due to NULL
> dereference along with a rather sick SIGSEGV handling, which will
> probably be subject to a subsequent patch).
The SIGSEGV just needs to be handled immediately, the problem of doing
"too much" in a signal handler be damned:
*** ../bash-4.0-patched/sig.c 2009-01-04 14:32:41.000000000 -0500
--- sig.c 2009-03-21 14:31:30.000000000 -0400
***************
*** 449,452 ****
--- 449,457 ----
int sig;
{
+ /* If we get called twice with the same signal before handling it,
+ terminate right away. */
+ if (sig == terminating_signal)
+ terminate_immediately = 1;
+
terminating_signal = sig;
Chet
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
Chet Ramey, ITS, CWRU c...@case.edu http://cnswww.cns.cwru.edu/~chet/
