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fix issue with invalidating pointer to last procsub; fix boundary issues with small reallocs

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This commit is contained in:
Chet Ramey
2024-07-26 09:30:30 -04:00
parent 6c70309275
commit d5ef283cbd
8 changed files with 59 additions and 8 deletions
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CWRU/CWRU.chlog
+14
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@@ -9858,3 +9858,17 @@ builtins/wait.def
PROC_WAITING if we have one
- unset_waitlist: unset PROC_WAITING in all procsubs
7/18
----
jobs.c
- procsub_prune: set last_procsub_child to NULL if we are cleaning up
that process because it's terminated, since that will invalidate the
pointer
7/22
----
lib/malloc/malloc.c
- RIGHT_BUCKET: don't check binsizes[nu-1] unless nu >= 1; clamp at 0
otherwise
- internal_realloc: don't check bucket at nunits-1 unless nunits >= 1
Report and fix from Collin Funk <collin.funk1@gmail.com>