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Groups > gnu.bash.bug > #14697
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|---|---|
| From | Mike Gerwitz <mtg@gnu.org> |
| Newsgroups | gnu.bash.bug |
| Subject | Re: Segfault on recursive trap/kill |
| Date | Sun, 07 Oct 2018 13:24:14 -0400 |
| Lines | 42 |
| Approved | bug-bash@gnu.org |
| Message-ID | <mailman.1808.1538933157.1284.bug-bash@gnu.org> (permalink) |
| References | <874ldy1vka.fsf@gnu.org> <8736tj3llu.fsf@gnu.org> <25389056-9fcf-1d31-36d8-13098769a43a@case.edu> <18119.1538880121@jinx.noi.kre.to> |
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| Cc | Chet Ramey <chet.ramey@case.edu>, bug-bash@gnu.org |
| To | Robert Elz <kre@munnari.OZ.AU> |
| Envelope-to | bug-bash@gnu.org |
| In-Reply-To | <18119.1538880121@jinx.noi.kre.to> (Robert Elz's message of "Sun, 07 Oct 2018 09:42:01 +0700") |
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On Sun, Oct 07, 2018 at 09:42:01 +0700, Robert Elz wrote: > I expect that if you did look, you'd probably find that while > technically the former, it isn't a reference to some wild pointer, > but rather simply growing the stack until the OS says "no more" > and returns a SIGSEGV instead af allocating a new stack page. That makes sense. Thanks. Though, it is an implementation detail that IMO a user of bash shouldn't have to worry about---if bash instead implemented its interpreter stack on the heap rather than the same stack as bash itself, a segfault could have represented an actual bug. -- Mike Gerwitz
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Re: Segfault on recursive trap/kill Mike Gerwitz <mtg@gnu.org> - 2018-10-07 13:24 -0400
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