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Message-ID: <87h6fz3303.fsf@keithp.com>
Date: Wed, 17 Apr 2024 17:53:32 -0700
From: Keith Packard <keithp@...thp.com>
To: libc-coord@...ts.openwall.com
Subject: Preventing re-use of jmp_buf?
I've got a bug report in the X libraries where a code path accidentally
re-used a jmp_buf as a parameter to longjmp. This caused quite the
confusing error report.
Would it be reasonable to have longjmp modify jmp_buf on the way through
so that a second usage could be trapped?
--
-keith
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