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BASH PATCH REPORT
=================
Bash-Release: 5.0
Patch-ID: bash50-016
Bug-Reported-by: sunnycemetery@gmail.com
Bug-Reference-ID: <20190316041534.GB22884@midnight>
Bug-Reference-URL: https://lists.gnu.org/archive/html/bug-bash/2019-03/msg00070.html
Bug-Description:
Bash waits too long to reap /dev/fd process substitutions used as redirections
with loops and group commands, which can lead to file descriptor exhaustion.
Patch (apply with `patch -p0'):
*** a/execute_cmd.c 2019-04-19 15:46:36.000000000 -0400
--- b/execute_cmd.c 2019-07-01 16:45:49.000000000 -0400
***************
*** 1104,1107 ****
--- 1085,1104 ----
discard_unwind_frame ("internal_fifos");
}
+ # if defined (HAVE_DEV_FD)
+ /* Reap process substitutions at the end of loops */
+ switch (command->type)
+ {
+ case cm_while:
+ case cm_until:
+ case cm_for:
+ case cm_group:
+ # if defined (ARITH_FOR_COMMAND)
+ case cm_arith_for:
+ # endif
+ reap_procsubs ();
+ default:
+ break;
+ }
+ # endif /* HAVE_DEV_FD */
#endif
*** a/patchlevel.h 2016-06-22 14:51:03.000000000 -0400
--- b/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 15
#endif /* _PATCHLEVEL_H_ */
--- 26,30 ----
looks for to find the patch level (for the sccs version string). */
! #define PATCHLEVEL 16
#endif /* _PATCHLEVEL_H_ */