Commit f94a6e70d for imagemagick.org

commit f94a6e70dbcbb8ed33485263e81e055707890ca3
Author: Naveed Khan <164054284+rootvector2@users.noreply.github.com>
Date:   Sat Nov 7 19:55:46 2026 +0530

    clamp ScaleQuantumToAny at 64-bit depth in non-HDRI builds (#9101)

diff --git a/MagickCore/quantum-private.h b/MagickCore/quantum-private.h
index 777cf2d1f..d1397cb07 100644
--- a/MagickCore/quantum-private.h
+++ b/MagickCore/quantum-private.h
@@ -347,6 +347,8 @@ static inline QuantumAny ScaleQuantumToAny(const Quantum quantum,
   const QuantumAny range)
 {
 #if !defined(MAGICKCORE_HDRI_SUPPORT)
+  if (((double) range*quantum/QuantumRange) >= 18446744073709551615.0)
+    return((QuantumAny) MagickULLConstant(18446744073709551615));
   return((QuantumAny) ((double) range*quantum/QuantumRange));
 #else
   if ((IsNaN(quantum) != 0) || (quantum <= 0.0f))
diff --git a/tests/cli-pipe.tap b/tests/cli-pipe.tap
index bbac0a42c..906f0f059 100755
--- a/tests/cli-pipe.tap
+++ b/tests/cli-pipe.tap
@@ -18,7 +18,7 @@
 #
 . ./common.shi
 . ${srcdir}/tests/common.shi
-echo "1..26"
+echo "1..27"

 ${MAGICK} pnm:- null:   < ${SRCDIR}/rose.pnm && echo "ok" || echo "not ok"
 ${MAGICK} pnm:- info:   < ${SRCDIR}/rose.pnm && echo "ok" || echo "not ok"
@@ -161,4 +161,13 @@ if [ "X$roundtrip" = 'Xgray(255)|gray(0)' ]; then
 else
   echo "not ok 26 - one-bit PAM writer round trip: $roundtrip"
 fi
+
+# A full-range sample exported at 64 bits per sample must stay full range.
+sample=`LC_ALL=C ${MAGICK} -size 1x1 xc:white -depth 64 GRAY:- 2>/dev/null |
+  od -An -tx1 | tr -d ' \n'`
+if [ "X$sample" = 'Xffffffffffffffff' ]; then
+  echo "ok 27 - 64-bit raw export of a full-range sample"
+else
+  echo "not ok 27 - 64-bit raw export of a full-range sample: $sample"
+fi
 :