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[UUM-78961] Fixed initialization of a class which has last fields in a table with 65535 field entries and the next class having no fields #2081

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Nov 6, 2024
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[UUM-78961] Fixed initialization of a class which has last fields in a table with 65535 field entries and the next class having no fields #2081

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bdee9a3
Fixed initialization of a class which has last fields in a table with…
alexey-zakharov Oct 24, 2024
6e37765
Add non-null entry check for the MethodList too, so that last entry o…
alexey-zakharov Nov 6, 2024
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5 changes: 3 additions & 2 deletions mono/metadata/class-init.c
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Original file line number Diff line number Diff line change
Expand Up @@ -634,8 +634,9 @@ mono_class_create_from_typedef (MonoImage *image, guint32 type_token, MonoError

if (tt->rows > tidx){
mono_metadata_decode_row (tt, tidx, cols_next, MONO_TYPEDEF_SIZE);
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field_last = cols_next [MONO_TYPEDEF_FIELD_LIST] - 1;
method_last = cols_next [MONO_TYPEDEF_METHOD_LIST] - 1;
// check if the next row has fields at all, if not, then continue run till the end of the table
field_last = cols_next [MONO_TYPEDEF_FIELD_LIST] ? cols_next [MONO_TYPEDEF_FIELD_LIST] - 1 : image->tables [MONO_TABLE_FIELD].rows;
method_last = cols_next [MONO_TYPEDEF_METHOD_LIST] ? cols_next [MONO_TYPEDEF_METHOD_LIST] - 1 : image->tables [MONO_TABLE_METHOD].rows;
} else {
field_last = image->tables [MONO_TABLE_FIELD].rows;
method_last = image->tables [MONO_TABLE_METHOD].rows;
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