ECC-1741: Assertion failure: Encoding a large field in GRIB1

src/eccodes_prototypes.h

@@ -801,7 +801,7 @@ void grib_grow_buffer(const grib_context* c, grib_buffer* b, size_t new_size);
 void grib_buffer_set_ulength_bits(const grib_context* c, grib_buffer* b, size_t length_bits);
 void grib_buffer_set_ulength(const grib_context* c, grib_buffer* b, size_t length);
 void grib_recompute_sections_lengths(grib_section* s);
-void grib_buffer_replace(grib_accessor* a, const unsigned char* data, size_t newsize, int update_lengths, int update_paddings);
+int grib_buffer_replace(grib_accessor* a, const unsigned char* data, size_t newsize, int update_lengths, int update_paddings);
 void grib_update_sections_lengths(grib_handle* h);
 
 /* grib_dumper.cc*/

src/grib_accessor_class.cc

@@ -322,7 +322,8 @@ int grib_section_adjust_sizes(grib_section* s, int update, int depth)
                 if (update) {
                     plen = length;
                     lret = grib_pack_long(s->aclength, &plen, &len);
-                    Assert(lret == GRIB_SUCCESS);
+                    if (lret != GRIB_SUCCESS)
+                        return lret;
                     s->padding = 0;
                 }
                 else {

src/grib_accessor_class_data_g1simple_packing.cc

@@ -313,7 +313,8 @@ static int pack_double(grib_accessor* a, const double* cval, size_t* len)
     grib_context_log(a->context, GRIB_LOG_DEBUG,
                      "grib_accessor_data_g1simple_packing : pack_double : packing %s, %d values", a->name, n_vals);
 
-    grib_buffer_replace(a, buf, buflen, 1, 1);
+    ret = grib_buffer_replace(a, buf, buflen, 1, 1);
+    if (ret != GRIB_SUCCESS) return ret;
 
     grib_context_buffer_free(a->context, buf);
 

src/grib_accessor_class_g1_message_length.cc

@@ -210,6 +210,7 @@ static int pack_long(grib_accessor* a, const long* val, size_t* len)
                              " (actual length=%ld)",
                               cclass_name, __func__, *val, total_length);
             grib_context_log(a->context, GRIB_LOG_ERROR, "Hint: Try encoding as GRIB2\n");
+            return GRIB_ENCODING_ERROR;
         }
         Assert(total_length == *val);
     }

src/grib_accessor_class_g1bitmap.cc

@@ -149,7 +149,8 @@ static int pack_double(grib_accessor* a, const double* val, size_t* len)
     if ((err = grib_set_long_internal(grib_handle_of_accessor(a), self->unusedBits, tlen * 8 - *len)) != GRIB_SUCCESS)
         return err;
 
-    grib_buffer_replace(a, buf, tlen, 1, 1);
+    err = grib_buffer_replace(a, buf, tlen, 1, 1);
+    if (err) return err;
 
     grib_context_free(a->context, buf);
 

src/grib_buffer.cc

@@ -195,7 +195,7 @@ static void update_offsets_after(grib_accessor* a, long len)
 //         update_sections_lengths(s->owner->parent);
 // }
 
-void grib_buffer_replace(grib_accessor* a, const unsigned char* data,
+int grib_buffer_replace(grib_accessor* a, const unsigned char* data,
                         size_t newsize, int update_lengths, int update_paddings)
 {
     size_t offset = a->offset;
@@ -232,11 +232,13 @@ void grib_buffer_replace(grib_accessor* a, const unsigned char* data,
         update_offsets_after(a, increase);
         if (update_lengths) {
             grib_update_size(a, newsize);
-            grib_section_adjust_sizes(grib_handle_of_accessor(a)->root, 1, 0);
+            int err = grib_section_adjust_sizes(grib_handle_of_accessor(a)->root, 1, 0);
+            if (err) return err;
             if (update_paddings)
                 grib_update_paddings(grib_handle_of_accessor(a)->root);
         }
     }
+    return GRIB_SUCCESS;
 }
 
 void grib_update_sections_lengths(grib_handle* h)

src/grib_value.cc

@@ -755,7 +755,7 @@ int grib_set_double_array_internal(grib_handle* h, const char* name, const doubl
     }
 
     if (ret != GRIB_SUCCESS)
-        grib_context_log(h->context, GRIB_LOG_ERROR, "Unable to set double array %s (%s)",
+        grib_context_log(h->context, GRIB_LOG_ERROR, "Unable to set double array '%s' (%s)",
                          name, grib_get_error_message(ret));
     /*if (h->context->debug) fprintf(stderr,"ECCODES DEBUG grib_set_double_array_internal key=%s --DONE\n",name);*/
     return ret;
@@ -928,7 +928,7 @@ int grib_set_long_array_internal(grib_handle* h, const char* name, const long* v
 {
     int ret = _grib_set_long_array(h, name, val, length, 0);
     if (ret != GRIB_SUCCESS)
-        grib_context_log(h->context, GRIB_LOG_ERROR, "Unable to set long array %s (%s)",
+        grib_context_log(h->context, GRIB_LOG_ERROR, "Unable to set long array '%s' (%s)",
                          name, grib_get_error_message(ret));
     return ret;
 }

tests/grib_png.sh

@@ -53,7 +53,7 @@ infile=${data_dir}/sample.grib2
 set +e
 ${tools_dir}/grib_set -r -s packingType=grid_png $infile $temp > $tempErr 2>&1
 set -e
-grep -q "Unable to set double array codedValues" $tempErr
+grep -q "Unable to set double array 'codedValues'" $tempErr
 
 # Nearest neighbour
 # ----------------------