[SCM] PostGIS branch master updated. 3.7.0beta1-71-ge1f090fe8a

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- Log -----------------------------------------------------------------
commit e1f090fe8a9c2ced44f22ca298668f255083f42b
Merge: 031ce41879 b0423f3c32
Author: Darafei Praliaskouski <komzpa at gmail.com>
Date:   Mon Jul 27 11:12:10 2026 -0700

    Merge pull request 'Fix raster invalid reads found by Memcheck' (!523) from Komzpa/postgis:codex/raster-valgrind-invalid-reads-20260726 into master
    
    Reviewed-on: https://gitea.osgeo.org/postgis/postgis/pulls/523


commit b0423f3c32725dcab5b61ae8f9f70688a9fdc2af
Author: Darafei Praliaskouski <me at komzpa.net>
Date:   Sun Jul 26 16:14:42 2026 +0300

    Fix raster invalid reads found by Valgrind

diff --git a/NEWS b/NEWS
index 6d3526076a..9ce4ea3764 100644
--- a/NEWS
+++ b/NEWS
@@ -10,6 +10,8 @@ These are only changes since 3.7.0beta1.
 
  - GT-545, Fix FlatGeobuf geometry, property, and spatial-index byte order on
           big-endian platforms (Darafei Praliaskouski)
+ - [raster] Fix invalid reads in raster band initialization and
+          geotransform property access (Darafei Praliaskouski)
  - GT-504, Report extension script/library version mismatches before loading
           functions unavailable in an older library (Darafei Praliaskouski)
  - GT-515, Reject invalid ST_LargestEmptyCircle boundaries before GEOS can
diff --git a/raster/rt_core/rt_band.c b/raster/rt_core/rt_band.c
index 5d71177443..c9738782be 100644
--- a/raster/rt_core/rt_band.c
+++ b/raster/rt_core/rt_band.c
@@ -142,6 +142,8 @@ rt_band_init_value(
 		memset(mem, 0, memsize);
 		return;
 	}
+	if (numval == 0)
+		return;
 
 	switch (pixtype) {
 		case PT_1BB:
diff --git a/raster/rt_pg/rtpg_raster_properties.c b/raster/rt_pg/rtpg_raster_properties.c
index 032e4975e9..c2717585e0 100644
--- a/raster/rt_pg/rtpg_raster_properties.c
+++ b/raster/rt_pg/rtpg_raster_properties.c
@@ -445,10 +445,8 @@ Datum RASTER_getGeotransform(PG_FUNCTION_ARGS)
     double jmag;
     double theta_i;
     double theta_ij;
-		/*
     double xoffset;
     double yoffset;
-		*/
 
     TupleDesc result_tuple; /* for returning a composite */
     Datum values[VALUES_LENGTH];
@@ -478,6 +476,8 @@ Datum RASTER_getGeotransform(PG_FUNCTION_ARGS)
             rt_raster_get_y_skew(raster),
             rt_raster_get_y_scale(raster),
             &imag, &jmag, &theta_i, &theta_ij) ;
+    xoffset = rt_raster_get_x_offset(raster);
+    yoffset = rt_raster_get_y_offset(raster);
 
     rt_raster_destroy(raster);
     PG_FREE_IF_COPY(pgraster, 0);
@@ -501,8 +501,8 @@ Datum RASTER_getGeotransform(PG_FUNCTION_ARGS)
     values[1] = Float8GetDatum(jmag);
     values[2] = Float8GetDatum(theta_i);
     values[3] = Float8GetDatum(theta_ij);
-    values[4] = Float8GetDatum(rt_raster_get_x_offset(raster));
-    values[5] = Float8GetDatum(rt_raster_get_y_offset(raster));
+    values[4] = Float8GetDatum(xoffset);
+    values[5] = Float8GetDatum(yoffset);
 
     memset(nulls, FALSE, sizeof(bool) * VALUES_LENGTH);
 

-----------------------------------------------------------------------

Summary of changes:
 NEWS                                  | 2 ++
 raster/rt_core/rt_band.c              | 2 ++
 raster/rt_pg/rtpg_raster_properties.c | 8 ++++----
 3 files changed, 8 insertions(+), 4 deletions(-)


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