[Bug 217138] head (e.g.) -r314638 for arm64: sh vs. jemalloc asserts: include/jemalloc/internal/tsd.h:687: Failed assertion: "tsd_booted" once swapped in after being swapped out (comment 10)

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=217138

--- Comment #27 from Mark Millard <markmi at dsl-only.net> ---
The earlier procstat -v comments have something interesting
in common other than the procstat results themselves: the
3 separate programs all end up with zeros in the same
general memory area of each process:

(lldb) print dyn_region
(region *volatile) $0 = 0x0000000040616000

(lldb) print &__je_tsd_booted
(bool *) $0 = 0x0000000040618520

(lldb) print &__je_tsd_booted
(bool *) $0 = 0x0000000040618520

The first is from dynamic allocation ending up
in the area. The other two are from libc.so.7
globals/statics ending up in the general area.

It looks like something is trashing a specific
memory area for some reason.

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