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Commit39586bc

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Fix a second cause of undersized pallocs for btree_gist indexes on macaddr.
gbt_macad_union also allocated 12-byte structs where we really need 16.Per report from Andres Freund. No back-patch since there's no currentrisk of a real problem.
1 parent82bbb60 commit39586bc

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‎contrib/btree_gist/btree_macaddr.c

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -12,6 +12,7 @@ typedef struct
1212
{
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macaddrlower;
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macaddrupper;
15+
charpad[4];/* make struct size = sizeof(gbtreekey16) */
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}macKEY;
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/*
@@ -143,7 +144,7 @@ Datum
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gbt_macad_union(PG_FUNCTION_ARGS)
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{
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GistEntryVector*entryvec= (GistEntryVector*)PG_GETARG_POINTER(0);
146-
void*out=palloc(sizeof(macKEY));
147+
void*out=palloc0(sizeof(macKEY));
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*(int*)PG_GETARG_POINTER(1)=sizeof(macKEY);
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PG_RETURN_POINTER(gbt_num_union((void*)out,entryvec,&tinfo));

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