[SCM] PostGIS branch master updated. 3.5.0-375-g9a9ffca3a

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- Log -----------------------------------------------------------------
commit 9a9ffca3ad604f1728a91cb7e9a31c1069ba7718
Author: Paul Ramsey <pramsey at cleverelephant.ca>
Date:   Thu Jun 5 18:23:07 2025 -0700

    Guard against overly nested collections in dump functions, references #5905

diff --git a/postgis/lwgeom_dump.c b/postgis/lwgeom_dump.c
index 7933851e5..6ce3bcb14 100644
--- a/postgis/lwgeom_dump.c
+++ b/postgis/lwgeom_dump.c
@@ -180,6 +180,9 @@ Datum LWGEOM_dump(PG_FUNCTION_ARGS)
 			 * stack
 			 */
 
+			if (state->stacklen > MAXDEPTH)
+				elog(ERROR, "Unable to dump overly nested collection.");
+
 			oldcontext = MemoryContextSwitchTo(newcontext);
 
 			node = lwalloc(sizeof(GEOMDUMPNODE));
diff --git a/postgis/lwgeom_dumppoints.c b/postgis/lwgeom_dumppoints.c
index 4fc0e3f9d..aef606116 100644
--- a/postgis/lwgeom_dumppoints.c
+++ b/postgis/lwgeom_dumppoints.c
@@ -272,6 +272,10 @@ Datum LWGEOM_dumppoints(PG_FUNCTION_ARGS) {
 
 		/* if a collection and we have more geoms */
 		if (node->idx < lwcoll->ngeoms) {
+
+			if(state->stacklen >= MAXDEPTH)
+				elog(ERROR, "Unabled to dump overly nested collection");
+
 			/* push the next geom on the path and the stack */
 			lwgeom = lwcoll->geoms[node->idx++];
 			state->path[state->pathlen++] = Int32GetDatum(node->idx);
@@ -494,6 +498,9 @@ Datum LWGEOM_dumpsegments(PG_FUNCTION_ARGS)
 			/* if a collection and we have more geoms */
 			if (node->idx < lwcoll->ngeoms)
 			{
+				if (state->stacklen > MAXDEPTH)
+					elog(ERROR, "Unable to dump overly nested collection");
+
 				/* push the next geom on the path and the stack */
 				lwgeom = lwcoll->geoms[node->idx++];
 				state->path[state->pathlen++] = Int32GetDatum(node->idx);

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

Summary of changes:
 postgis/lwgeom_dump.c       | 3 +++
 postgis/lwgeom_dumppoints.c | 7 +++++++
 2 files changed, 10 insertions(+)


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