14.3 / amd64. make installworld broken

Hello,

I am trying to upgrade a RELENG-14.2 to 14.3.

After cloning the repository with gitup and compiling it (make buildworld), make installworld fails.
Code:
# uname -a
FreeBSD micro1 14.2-RELEASE FreeBSD 14.2-RELEASE c8918d6c7 MICRO14 amd64
root@micro1:/usr/src # make installworld
make[1]: "/usr/obj/usr/src/amd64.amd64/toolchain-metadata.mk" line 1: Using cached toolchain metadata from build at micro1 on Thu Ju
n 12 11:00:20 UTC 2025
Segmentation fault (core dumped)
rescue/sh check failed, installation aborted
*** Error code 1
Stop.
make[1]: stopped in /usr/src
*** Error code 1
Stop.
make: stopped in /usr/src
Does it ring any bell?
 
Ok, found something.

I had this malloc.conf which had been working perfectly. Removing it has fixed the issue.

malloc.conf@ -> xmalloc:true,dirty_decay_ms:0,retain:false
 
Ok, found something.

I had this malloc.conf which had been working perfectly. Removing it has fixed the issue.

malloc.conf@ -> xmalloc:true,dirty_decay_ms:0,retain:false

Hmmm, I wonder whether this just uncovered a real bug.

To clarify, it is make(1) that leaves the coredump?
 
Hmmm, I wonder whether this just uncovered a real bug.

To clarify, it is make(1) that leaves the coredump?
Sorry I didn't answer. I will try to reproduce it and get a core file. For some reason I wasn't able to create one.
It was rescue/sh:
<6>1 2025-07-03T13:11:54.019526+00:00 elnuc kernel - - - pid 14667 (rescue), jid 0, uid 0: exited on signal 11 (core dumped)
 
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