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Date:      Tue, 09 Sep 2025 11:05:38 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 289405] systematic LD segmentation fault
Message-ID:  <bug-289405-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=289405

            Bug ID: 289405
           Summary: systematic LD segmentation fault
           Product: Base System
           Version: 15.0-STABLE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: bin
          Assignee: bugs@FreeBSD.org
          Reporter: keivan@motavalli.me

Created attachment 263637
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=263637&action=edit
ld segfault backtrace in gdb

Hello,
I'm running FreeBSD 15 compiled on this September 5 from the stable/15 branch:

FreeBSD [hostname] 15.0-PRERELEASE FreeBSD 15.0-PRERELEASE #28
main-n280083-d5dd6ad6baa6: Fri Sep  5 00:26:33 CEST 2025    
root@[hostname]:/usr/obj/usr/src/amd64.amd64/sys/GENERIC-NODEBUG amd64

Today I updated the stable/15 tree via git pull, then ran a make buildworld
followed by a make installworld; both succeeded.

after that, LD crashes systematically making it impossible to compile the
kernel with make buildkernel:

(gdb) run
Starting program: /usr/bin/ld 

Program received signal SIGSEGV, Segmentation fault.
Address not mapped to object.
rtree_metadata_read (tsdn=tsdn@entry=0x8013110a0, rtree=<optimized out>,
rtree_ctx=rtree_ctx@entry=0x801311250, key=key@entry=19849320) at
/usr/src/contrib/jemalloc/include/jemalloc/internal/rtree.h:446
446             return rtree_leaf_elm_read(tsdn, rtree, elm,

full backtrace is attached.

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