Rmys
81 lines
2.3 KiB
Diff
81 lines
2.3 KiB
Diff
BASH PATCH REPORT
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=================
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Bash-Release: 5.3
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Patch-ID: bash53-012
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Bug-Reported-by: earl_chew@yahoo.com
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Bug-Reference-ID:
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Bug-Reference-URL: https://savannah.gnu.org/bugs/?67745
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Bug-Description:
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If a subshell with an inherited EXIT trap receives a fatal signal before
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it clears the exit trap, and before it restores its original signal
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handlers, it's possible for it to inappropriately run the inherited EXIT
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trap.
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Patch (apply with `patch -p0'):
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*** ../bash-5.3-patched/execute_cmd.c Thu Jun 5 11:02:01 2025
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--- execute_cmd.c Fri Jan 9 10:21:30 2026
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***************
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*** 1644,1648 ****
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if (user_subshell)
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{
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! subshell_environment = SUBSHELL_PAREN; /* XXX */
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if (asynchronous)
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subshell_environment |= SUBSHELL_ASYNC;
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--- 1681,1685 ----
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if (user_subshell)
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{
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! subshell_environment = SUBSHELL_PAREN|SUBSHELL_IGNTRAP; /* XXX */
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if (asynchronous)
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subshell_environment |= SUBSHELL_ASYNC;
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***************
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*** 1650,1654 ****
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else
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{
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! subshell_environment = 0; /* XXX */
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if (asynchronous)
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subshell_environment |= SUBSHELL_ASYNC;
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--- 1687,1691 ----
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else
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{
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! subshell_environment = SUBSHELL_IGNTRAP; /* XXX */
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if (asynchronous)
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subshell_environment |= SUBSHELL_ASYNC;
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*** ../bash-5.3-patched/sig.c Wed Dec 18 15:52:06 2024
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--- sig.c Fri Jan 9 10:21:43 2026
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***************
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*** 639,643 ****
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comsub_ignore_return = return_catch_flag = wait_intr_flag = 0;
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! run_exit_trap (); /* XXX - run exit trap possibly in signal context? */
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kill_shell (sig);
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--- 645,652 ----
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comsub_ignore_return = return_catch_flag = wait_intr_flag = 0;
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! /* Don't run the exit trap if we're supposed to be ignoring traps in a
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! subshell environment. */
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! if ((subshell_environment & SUBSHELL_IGNTRAP) == 0)
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! run_exit_trap (); /* XXX - run exit trap possibly in signal context? */
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kill_shell (sig);
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*** ../bash-5.3/patchlevel.h 2020-06-22 14:51:03.000000000 -0400
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--- patchlevel.h 2020-10-01 11:01:28.000000000 -0400
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***************
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*** 26,30 ****
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looks for to find the patch level (for the sccs version string). */
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! #define PATCHLEVEL 11
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#endif /* _PATCHLEVEL_H_ */
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--- 26,30 ----
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looks for to find the patch level (for the sccs version string). */
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! #define PATCHLEVEL 12
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#endif /* _PATCHLEVEL_H_ */
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