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BASH PATCH REPORT
=================
Bash-Release: 4.4
Patch-ID: bash44-021
Bug-Reported-by: werner@suse.de
Bug-Reference-ID: <201803281402.w2SE2VOa000476@noether.suse.de>
Bug-Reference-URL: http://lists.gnu.org/archive/html/bug-bash/2018-03/msg00196.html
Bug-Description:
A SIGINT received inside a SIGINT trap handler can possibly cause the
shell to loop.
Patch (apply with `patch -p0'):
*** ../bash-20180329/jobs.c 2018-02-11 18:07:22.000000000 -0500
--- jobs.c 2018-04-02 14:24:21.000000000 -0400
***************
*** 2690,2694 ****
if (job_control == 0 || (subshell_environment&SUBSHELL_COMSUB))
{
! old_sigint_handler = set_signal_handler (SIGINT, wait_sigint_handler);
waiting_for_child = 0;
if (old_sigint_handler == SIG_IGN)
--- 2690,2704 ----
if (job_control == 0 || (subshell_environment&SUBSHELL_COMSUB))
{
! SigHandler *temp_sigint_handler;
!
! temp_sigint_handler = set_signal_handler (SIGINT, wait_sigint_handler);
! if (temp_sigint_handler == wait_sigint_handler)
! {
! #if defined (DEBUG)
! internal_warning ("wait_for: recursively setting old_sigint_handler to wait_sigint_handler: running_trap = %d", running_trap);
! #endif
! }
! else
! old_sigint_handler = temp_sigint_handler;
waiting_for_child = 0;
if (old_sigint_handler == SIG_IGN)
*** ../bash-4.4/patchlevel.h 2016-06-22 14:51:03.000000000 -0400
--- 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 20
#endif /* _PATCHLEVEL_H_ */
--- 26,30 ----
looks for to find the patch level (for the sccs version string). */
! #define PATCHLEVEL 21
#endif /* _PATCHLEVEL_H_ */
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