reftable/stack: handle allocation failures in auto compaction

index 2e6dd513d7..990784d9d2 100644 --- a/reftable/stack.c +++ b/reftable/stack.c @@ -1518,6 +1518,8 @@ static uint64_t *stack_table_sizes_for_compaction(struct reftable_stack *st) uint64_t *sizes; REFTABLE_CALLOC_ARRAY(sizes, st->merged->readers_len); + if (!sizes) + return NULL; for (size_t i = 0; i < st->merged->readers_len; i++) sizes[i] = st->readers[i]->size - overhead; @@ -1527,11 +1529,17 @@ static uint64_t *stack_table_sizes_for_compaction(struct reftable_stack *st) int reftable_stack_auto_compact(struct reftable_stack *st) { - uint64_t *sizes = stack_table_sizes_for_compaction(st); - struct segment seg = - suggest_compaction_segment(sizes, st->merged->readers_len, - st->opts.auto_compaction_factor); + struct segment seg; + uint64_t *sizes; + + sizes = stack_table_sizes_for_compaction(st); + if (!sizes) + return REFTABLE_OUT_OF_MEMORY_ERROR; + + seg = suggest_compaction_segment(sizes, st->merged->readers_len, + st->opts.auto_compaction_factor); reftable_free(sizes); + if (segment_size(&seg) > 0) return stack_compact_range(st, seg.start, seg.end - 1, NULL, STACK_COMPACT_RANGE_BEST_EFFORT);