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fix invalid access after freeing next_item #636

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Merged
merged 1 commit into from
Mar 13, 2021
Merged

fix invalid access after freeing next_item #636

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3 changes: 2 additions & 1 deletion src/background_workers.c
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Original file line number Diff line number Diff line change
Expand Up @@ -228,8 +228,10 @@ static RedisAI_RunInfo **_BGThread_BatchOperations(RunQueueInfo *run_queue_info,

// If all previous checks pass, then keep track of the item
// in the list of evicted items
queueItem *tmp = queueNext(next_item);
queueItem *evicted = queueEvict(run_queue_info->run_queue, next_item);
RedisModule_Free(evicted);
next_item = tmp;
batch_rinfo = array_append(batch_rinfo, next_rinfo);

// Update the batchsize and go to the next item to see if
Expand Down Expand Up @@ -258,7 +260,6 @@ static RedisAI_RunInfo **_BGThread_BatchOperations(RunQueueInfo *run_queue_info,
break;
}
}
next_item = queueNext(next_item);
}
return batch_rinfo;
}
Expand Down