BASH PATCH REPORT ================= Bash-Release: 4.2 Patch-ID: bash42-023 Bug-Reported-by: Ewan Mellor Bug-Reference-ID: <6005BE083BF501439A84DC3523BAC82DC4B964FD12@LONPMAILBOX01.citrite.net> Bug-Reference-URL: Bug-Description: Under some circumstances, an exit trap triggered by a bad substitution error when errexit is enabled will cause the shell to exit with an incorrect exit status (0). Patch (apply with `patch -p0'): *** ../bash-4.2-patched/subst.c 2011-11-21 12:04:38.000000000 -0500 --- subst.c 2012-02-08 13:36:28.000000000 -0500 *************** *** 7275,7278 **** --- 7281,7285 ---- case '\0': bad_substitution: + last_command_exit_value = EXECUTION_FAILURE; report_error (_("%s: bad substitution"), string ? string : "??"); FREE (value); *** ../bash-4.2-patched/error.c 2009-08-21 22:31:31.000000000 -0400 --- error.c 2012-02-25 15:54:40.000000000 -0500 *************** *** 201,205 **** va_end (args); if (exit_immediately_on_error) ! exit_shell (1); } --- 201,209 ---- va_end (args); if (exit_immediately_on_error) ! { ! if (last_command_exit_value == 0) ! last_command_exit_value = 1; ! exit_shell (last_command_exit_value); ! } } *** ../bash-4.2-patched/patchlevel.h Sat Jun 12 20:14:48 2010 --- patchlevel.h Thu Feb 24 21:41:34 2011 *************** *** 26,30 **** looks for to find the patch level (for the sccs version string). */ ! #define PATCHLEVEL 22 #endif /* _PATCHLEVEL_H_ */ --- 26,30 ---- looks for to find the patch level (for the sccs version string). */ ! #define PATCHLEVEL 23 #endif /* _PATCHLEVEL_H_ */