[Bug 297656] www/firefox-esr: 153.1.0,2 core dump pointing to WasmTrapHandler

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=297656

            Bug ID: 297656
           Summary: www/firefox-esr: 153.1.0,2 core dump pointing to
                    WasmTrapHandler
           Product: Ports & Packages
           Version: Latest
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: Individual Port(s)
          Assignee: [email protected]
          Reporter: [email protected]
             Flags: maintainer-feedback?([email protected])
          Assignee: [email protected]

From gdb /usr/local/bin/firefox ~/firefox.core

(gdb) bt
#0  0x0000280f86fc0bda in thr_kill () at /lib/libsys.so.7
#1  0x0000280f86a78824 in raise () at /lib/libc.so.7
#2  0x0000280faef43307 in nsProfileLock::FatalSignalHandler(int, __siginfo*,
void*) ()
    at /usr/local/lib/firefox/libxul.so
#3  0x0000280fafa01aac in WasmTrapHandler(int, __siginfo*, void*) () at
/usr/local/lib/firefox/libxul.so
#4  0x0000280f8599c45a in ??? () at /lib/libthr.so.3
#5  0x0000280f8599ba5b in ??? () at /lib/libthr.so.3
#6  0x0000280f82ab62d3 in <signal handler called> ()
#7  0x0000280761392467 in mozalloc_abort ()
#8  0x0000280761392480 in abort ()
#9  0x0000280ffa002586 in ??? () at /usr/local/lib/libgallium-26.1.7.so
#10 0x0000280ffa0205a0 in ??? () at /usr/local/lib/libgallium-26.1.7.so
#11 0x0000280ff91019b6 in ??? () at /usr/local/lib/libgallium-26.1.7.so
#12 0x0000280ff8e96c1f in ??? () at /usr/local/lib/libgallium-26.1.7.so
#13 0x0000280ff8ed3d89 in ??? () at /usr/local/lib/libgallium-26.1.7.so
#14 0x0000280f85992e41 in ??? () at /lib/libthr.so.3
#15 0x0000000000000000 in ??? ()
----

Why does FreeBSD's threading/signal libthr fail to recover cleanly?
Are there known problems with Firefox's WasmTrapHandler in this version and do
exist fixes?

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