<p>Can confirm <a class="user-mention" data-hovercard-type="user" data-hovercard-url="/hovercards?user_id=250711" data-octo-click="hovercard-link-click" data-octo-dimensions="link_type:self" href="https://github.com/theseion">@theseion</a> 's finding after a bisect. The crash does not occur on debug builds for me, unfortunately. This is the stack I get in a production build:</p>
<pre><code>(gdb) bt
#0  0x0000555555a0003d in ?? ()
#1  0x0000555555b5e000 in ?? ()
#2  0x000055555560a1b1 in generateStackPointerCapture () at /home/tom/Code/squeak/opensmalltalk-vm/spur64src/vm/cogitX64SysV.c:7255
#3  initializeCodeZoneFromupTo (startAddress=<optimized out>, endAddress=93824996104024) at /home/tom/Code/squeak/opensmalltalk-vm/spur64src/vm/cogitX64SysV.c:7903
#4  0x00005555555b8559 in readImageFromFileHeapSizeStartingAt (f=<optimized out>, desiredHeapSize=<optimized out>, imageOffset=<optimized out>)
    at /home/tom/Code/squeak/opensmalltalk-vm/spur64src/vm/gcc3x-cointerp.c:20588
#5  0x00005555555894c0 in imgInit () at /home/tom/Code/squeak/opensmalltalk-vm/platforms/unix/vm/sqUnixMain.c:1971
#6  0x0000555555585c62 in main (argc=<optimized out>, argv=0x7fffffffd4a8, envp=<optimized out>) at /home/tom/Code/squeak/opensmalltalk-vm/platforms/unix/vm/sqUnixMain.c:2095
(gdb) 
</code></pre>

<p style="font-size:small;-webkit-text-size-adjust:none;color:#666;">—<br />You are receiving this because you are subscribed to this thread.<br />Reply to this email directly, <a href="https://github.com/OpenSmalltalk/opensmalltalk-vm/issues/433?email_source=notifications&email_token=AIJPEW4ON47R7JERXX3MGODQPLASXA5CNFSM4JBXERYKYY3PNVWWK3TUL52HS4DFVREXG43VMVBW63LNMVXHJKTDN5WW2ZLOORPWSZGOEBXIWQQ#issuecomment-544115522">view it on GitHub</a>, or <a href="https://github.com/notifications/unsubscribe-auth/AIJPEWYLWGJNB7SVWLCTTCLQPLASXANCNFSM4JBXERYA">unsubscribe</a>.<img src="https://github.com/notifications/beacon/AIJPEW35NQSJ6F2BLBS334DQPLASXA5CNFSM4JBXERYKYY3PNVWWK3TUL52HS4DFVREXG43VMVBW63LNMVXHJKTDN5WW2ZLOORPWSZGOEBXIWQQ.gif" height="1" width="1" alt="" /></p>
<script type="application/ld+json">[
{
"@context": "http://schema.org",
"@type": "EmailMessage",
"potentialAction": {
"@type": "ViewAction",
"target": "https://github.com/OpenSmalltalk/opensmalltalk-vm/issues/433?email_source=notifications\u0026email_token=AIJPEW4ON47R7JERXX3MGODQPLASXA5CNFSM4JBXERYKYY3PNVWWK3TUL52HS4DFVREXG43VMVBW63LNMVXHJKTDN5WW2ZLOORPWSZGOEBXIWQQ#issuecomment-544115522",
"url": "https://github.com/OpenSmalltalk/opensmalltalk-vm/issues/433?email_source=notifications\u0026email_token=AIJPEW4ON47R7JERXX3MGODQPLASXA5CNFSM4JBXERYKYY3PNVWWK3TUL52HS4DFVREXG43VMVBW63LNMVXHJKTDN5WW2ZLOORPWSZGOEBXIWQQ#issuecomment-544115522",
"name": "View Issue"
},
"description": "View this Issue on GitHub",
"publisher": {
"@type": "Organization",
"name": "GitHub",
"url": "https://github.com"
}
}
]</script>